vim: src/regexp_nfa.c annotate

annotate src/regexp_nfa.c @ 29247:5f314b2ed494 v8.2.5142

patch 8.2.5142: startup test fails if there is a status bar Commit: https://github.com/vim/vim/commit/fa04eae5a5b9394079bde2d37ce6f9f8a5567d48 Author: Bram Moolenaar <Bram@vim.org> Date: Tue Jun 21 14:38:40 2022 +0100 patch 8.2.5142: startup test fails if there is a status bar Problem: Startup test fails if there is a status bar at the top of the screen. (Ernie Rael) Solution: Use a larger vertical offset in the test.

author	Bram Moolenaar <Bram@vim.org>
date	Tue, 21 Jun 2022 18:45:07 +0200
parents	c7aa0c46acd5
children	057c26b5c33a

rev	line source
10042 4aead6a9b7a9 commit https://github.com/vim/vim/commit/edf3f97ae2af024708ebb4ac614227327033ca47 Christian Brabandt <cb@256bit.org> parents: 9371 diff changeset	1 /* vi:set ts=8 sts=4 sw=4 noet:
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2 *
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3 * NFA regular expression implementation.
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4 *
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5 * This file is included in "regexp.c".
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6 */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7
4531 1be43c095aff updated for version 7.3.1013 Bram Moolenaar <bram@vim.org> parents: 4529 diff changeset	8 /*
1be43c095aff updated for version 7.3.1013 Bram Moolenaar <bram@vim.org> parents: 4529 diff changeset	9 * Logging of NFA engine.
1be43c095aff updated for version 7.3.1013 Bram Moolenaar <bram@vim.org> parents: 4529 diff changeset	10 *
1be43c095aff updated for version 7.3.1013 Bram Moolenaar <bram@vim.org> parents: 4529 diff changeset	11 * The NFA engine can write four log files:
1be43c095aff updated for version 7.3.1013 Bram Moolenaar <bram@vim.org> parents: 4529 diff changeset	12 * - Error log: Contains NFA engine's fatal errors.
1be43c095aff updated for version 7.3.1013 Bram Moolenaar <bram@vim.org> parents: 4529 diff changeset	13 * - Dump log: Contains compiled NFA state machine's information.
1be43c095aff updated for version 7.3.1013 Bram Moolenaar <bram@vim.org> parents: 4529 diff changeset	14 * - Run log: Contains information of matching procedure.
1be43c095aff updated for version 7.3.1013 Bram Moolenaar <bram@vim.org> parents: 4529 diff changeset	15 * - Debug log: Contains detailed information of matching procedure. Can be
1be43c095aff updated for version 7.3.1013 Bram Moolenaar <bram@vim.org> parents: 4529 diff changeset	16 * disabled by undefining NFA_REGEXP_DEBUG_LOG.
1be43c095aff updated for version 7.3.1013 Bram Moolenaar <bram@vim.org> parents: 4529 diff changeset	17 * The first one can also be used without debug mode.
1be43c095aff updated for version 7.3.1013 Bram Moolenaar <bram@vim.org> parents: 4529 diff changeset	18 * The last three are enabled when compiled as debug mode and individually
1be43c095aff updated for version 7.3.1013 Bram Moolenaar <bram@vim.org> parents: 4529 diff changeset	19 * disabled by commenting them out.
1be43c095aff updated for version 7.3.1013 Bram Moolenaar <bram@vim.org> parents: 4529 diff changeset	20 * The log files can get quite big!
26592 9f445e07f766 patch 8.2.3825: various comments could be improved Bram Moolenaar <Bram@vim.org> parents: 26436 diff changeset	21 * To disable all of this when compiling Vim for debugging, undefine DEBUG in
4531 1be43c095aff updated for version 7.3.1013 Bram Moolenaar <bram@vim.org> parents: 4529 diff changeset	22 * regexp.c
1be43c095aff updated for version 7.3.1013 Bram Moolenaar <bram@vim.org> parents: 4529 diff changeset	23 */
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	24 #ifdef DEBUG
4531 1be43c095aff updated for version 7.3.1013 Bram Moolenaar <bram@vim.org> parents: 4529 diff changeset	25 # define NFA_REGEXP_ERROR_LOG "nfa_regexp_error.log"
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	26 # define ENABLE_LOG
4531 1be43c095aff updated for version 7.3.1013 Bram Moolenaar <bram@vim.org> parents: 4529 diff changeset	27 # define NFA_REGEXP_DUMP_LOG "nfa_regexp_dump.log"
1be43c095aff updated for version 7.3.1013 Bram Moolenaar <bram@vim.org> parents: 4529 diff changeset	28 # define NFA_REGEXP_RUN_LOG "nfa_regexp_run.log"
1be43c095aff updated for version 7.3.1013 Bram Moolenaar <bram@vim.org> parents: 4529 diff changeset	29 # define NFA_REGEXP_DEBUG_LOG "nfa_regexp_debug.log"
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	30 #endif
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	31
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	32 // Added to NFA_ANY - NFA_NUPPER_IC to include a NL.
5296 3e9107b86b68 updated for version 7.4.001 Bram Moolenaar <bram@vim.org> parents: 5255 diff changeset	33 #define NFA_ADD_NL 31
3e9107b86b68 updated for version 7.4.001 Bram Moolenaar <bram@vim.org> parents: 5255 diff changeset	34
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	35 enum
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	36 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	37 NFA_SPLIT = -1024,
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	38 NFA_MATCH,
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	39 NFA_EMPTY, // matches 0-length
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	40
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	41 NFA_START_COLL, // [abc] start
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	42 NFA_END_COLL, // [abc] end
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	43 NFA_START_NEG_COLL, // [^abc] start
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	44 NFA_END_NEG_COLL, // [^abc] end (postfix only)
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	45 NFA_RANGE, // range of the two previous items
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	46 // (postfix only)
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	47 NFA_RANGE_MIN, // low end of a range
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	48 NFA_RANGE_MAX, // high end of a range
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	49
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	50 NFA_CONCAT, // concatenate two previous items (postfix
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	51 // only)
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	52 NFA_OR, // \\| (postfix only)
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	53 NFA_STAR, // greedy * (postfix only)
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	54 NFA_STAR_NONGREEDY, // non-greedy * (postfix only)
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	55 NFA_QUEST, // greedy \? (postfix only)
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	56 NFA_QUEST_NONGREEDY, // non-greedy \? (postfix only)
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	57
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	58 NFA_BOL, // ^ Begin line
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	59 NFA_EOL, // $ End line
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	60 NFA_BOW, // \< Begin word
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	61 NFA_EOW, // \> End word
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	62 NFA_BOF, // \%^ Begin file
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	63 NFA_EOF, // \%$ End file
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	64 NFA_NEWL,
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	65 NFA_ZSTART, // Used for \zs
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	66 NFA_ZEND, // Used for \ze
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	67 NFA_NOPEN, // Start of subexpression marked with \%(
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	68 NFA_NCLOSE, // End of subexpr. marked with \%( ... \)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	69 NFA_START_INVISIBLE,
4845 a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	70 NFA_START_INVISIBLE_FIRST,
4785 3b5a023a4543 updated for version 7.3.1139 Bram Moolenaar <bram@vim.org> parents: 4783 diff changeset	71 NFA_START_INVISIBLE_NEG,
4845 a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	72 NFA_START_INVISIBLE_NEG_FIRST,
4682 2f51ee8825db updated for version 7.3.1088 Bram Moolenaar <bram@vim.org> parents: 4679 diff changeset	73 NFA_START_INVISIBLE_BEFORE,
4845 a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	74 NFA_START_INVISIBLE_BEFORE_FIRST,
4785 3b5a023a4543 updated for version 7.3.1139 Bram Moolenaar <bram@vim.org> parents: 4783 diff changeset	75 NFA_START_INVISIBLE_BEFORE_NEG,
4845 a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	76 NFA_START_INVISIBLE_BEFORE_NEG_FIRST,
4750 7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	77 NFA_START_PATTERN,
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	78 NFA_END_INVISIBLE,
4785 3b5a023a4543 updated for version 7.3.1139 Bram Moolenaar <bram@vim.org> parents: 4783 diff changeset	79 NFA_END_INVISIBLE_NEG,
4750 7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	80 NFA_END_PATTERN,
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	81 NFA_COMPOSING, // Next nodes in NFA are part of the
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	82 // composing multibyte char
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	83 NFA_END_COMPOSING, // End of a composing char in the NFA
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	84 NFA_ANY_COMPOSING, // \%C: Any composing characters.
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	85 NFA_OPT_CHARS, // \%[abc]
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	86
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	87 // The following are used only in the postfix form, not in the NFA
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	88 NFA_PREV_ATOM_NO_WIDTH, // Used for \@=
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	89 NFA_PREV_ATOM_NO_WIDTH_NEG, // Used for \@!
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	90 NFA_PREV_ATOM_JUST_BEFORE, // Used for \@<=
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	91 NFA_PREV_ATOM_JUST_BEFORE_NEG, // Used for \@<!
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	92 NFA_PREV_ATOM_LIKE_PATTERN, // Used for \@>
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	93
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	94 NFA_BACKREF1, // \1
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	95 NFA_BACKREF2, // \2
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	96 NFA_BACKREF3, // \3
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	97 NFA_BACKREF4, // \4
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	98 NFA_BACKREF5, // \5
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	99 NFA_BACKREF6, // \6
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	100 NFA_BACKREF7, // \7
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	101 NFA_BACKREF8, // \8
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	102 NFA_BACKREF9, // \9
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	103 #ifdef FEAT_SYN_HL
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	104 NFA_ZREF1, // \z1
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	105 NFA_ZREF2, // \z2
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	106 NFA_ZREF3, // \z3
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	107 NFA_ZREF4, // \z4
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	108 NFA_ZREF5, // \z5
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	109 NFA_ZREF6, // \z6
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	110 NFA_ZREF7, // \z7
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	111 NFA_ZREF8, // \z8
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	112 NFA_ZREF9, // \z9
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	113 #endif
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	114 NFA_SKIP, // Skip characters
4571 b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	115
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	116 NFA_MOPEN,
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	117 NFA_MOPEN1,
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	118 NFA_MOPEN2,
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	119 NFA_MOPEN3,
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	120 NFA_MOPEN4,
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	121 NFA_MOPEN5,
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	122 NFA_MOPEN6,
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	123 NFA_MOPEN7,
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	124 NFA_MOPEN8,
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	125 NFA_MOPEN9,
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	126
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	127 NFA_MCLOSE,
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	128 NFA_MCLOSE1,
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	129 NFA_MCLOSE2,
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	130 NFA_MCLOSE3,
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	131 NFA_MCLOSE4,
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	132 NFA_MCLOSE5,
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	133 NFA_MCLOSE6,
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	134 NFA_MCLOSE7,
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	135 NFA_MCLOSE8,
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	136 NFA_MCLOSE9,
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	137
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	138 #ifdef FEAT_SYN_HL
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	139 NFA_ZOPEN,
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	140 NFA_ZOPEN1,
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	141 NFA_ZOPEN2,
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	142 NFA_ZOPEN3,
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	143 NFA_ZOPEN4,
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	144 NFA_ZOPEN5,
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	145 NFA_ZOPEN6,
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	146 NFA_ZOPEN7,
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	147 NFA_ZOPEN8,
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	148 NFA_ZOPEN9,
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	149
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	150 NFA_ZCLOSE,
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	151 NFA_ZCLOSE1,
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	152 NFA_ZCLOSE2,
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	153 NFA_ZCLOSE3,
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	154 NFA_ZCLOSE4,
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	155 NFA_ZCLOSE5,
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	156 NFA_ZCLOSE6,
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	157 NFA_ZCLOSE7,
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	158 NFA_ZCLOSE8,
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	159 NFA_ZCLOSE9,
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	160 #endif
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	161
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	162 // NFA_FIRST_NL
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	163 NFA_ANY, // Match any one character.
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	164 NFA_IDENT, // Match identifier char
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	165 NFA_SIDENT, // Match identifier char but no digit
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	166 NFA_KWORD, // Match keyword char
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	167 NFA_SKWORD, // Match word char but no digit
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	168 NFA_FNAME, // Match file name char
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	169 NFA_SFNAME, // Match file name char but no digit
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	170 NFA_PRINT, // Match printable char
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	171 NFA_SPRINT, // Match printable char but no digit
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	172 NFA_WHITE, // Match whitespace char
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	173 NFA_NWHITE, // Match non-whitespace char
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	174 NFA_DIGIT, // Match digit char
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	175 NFA_NDIGIT, // Match non-digit char
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	176 NFA_HEX, // Match hex char
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	177 NFA_NHEX, // Match non-hex char
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	178 NFA_OCTAL, // Match octal char
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	179 NFA_NOCTAL, // Match non-octal char
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	180 NFA_WORD, // Match word char
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	181 NFA_NWORD, // Match non-word char
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	182 NFA_HEAD, // Match head char
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	183 NFA_NHEAD, // Match non-head char
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	184 NFA_ALPHA, // Match alpha char
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	185 NFA_NALPHA, // Match non-alpha char
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	186 NFA_LOWER, // Match lowercase char
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	187 NFA_NLOWER, // Match non-lowercase char
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	188 NFA_UPPER, // Match uppercase char
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	189 NFA_NUPPER, // Match non-uppercase char
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	190 NFA_LOWER_IC, // Match [a-z]
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	191 NFA_NLOWER_IC, // Match [^a-z]
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	192 NFA_UPPER_IC, // Match [A-Z]
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	193 NFA_NUPPER_IC, // Match [^A-Z]
5296 3e9107b86b68 updated for version 7.4.001 Bram Moolenaar <bram@vim.org> parents: 5255 diff changeset	194
3e9107b86b68 updated for version 7.4.001 Bram Moolenaar <bram@vim.org> parents: 5255 diff changeset	195 NFA_FIRST_NL = NFA_ANY + NFA_ADD_NL,
3e9107b86b68 updated for version 7.4.001 Bram Moolenaar <bram@vim.org> parents: 5255 diff changeset	196 NFA_LAST_NL = NFA_NUPPER_IC + NFA_ADD_NL,
4583 321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	197
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	198 NFA_CURSOR, // Match cursor pos
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	199 NFA_LNUM, // Match line number
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	200 NFA_LNUM_GT, // Match > line number
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	201 NFA_LNUM_LT, // Match < line number
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	202 NFA_COL, // Match cursor column
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	203 NFA_COL_GT, // Match > cursor column
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	204 NFA_COL_LT, // Match < cursor column
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	205 NFA_VCOL, // Match cursor virtual column
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	206 NFA_VCOL_GT, // Match > cursor virtual column
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	207 NFA_VCOL_LT, // Match < cursor virtual column
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	208 NFA_MARK, // Match mark
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	209 NFA_MARK_GT, // Match > mark
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	210 NFA_MARK_LT, // Match < mark
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	211 NFA_VISUAL, // Match Visual area
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	212
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	213 // Character classes [:alnum:] etc
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	214 NFA_CLASS_ALNUM,
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	215 NFA_CLASS_ALPHA,
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	216 NFA_CLASS_BLANK,
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	217 NFA_CLASS_CNTRL,
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	218 NFA_CLASS_DIGIT,
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	219 NFA_CLASS_GRAPH,
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	220 NFA_CLASS_LOWER,
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	221 NFA_CLASS_PRINT,
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	222 NFA_CLASS_PUNCT,
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	223 NFA_CLASS_SPACE,
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	224 NFA_CLASS_UPPER,
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	225 NFA_CLASS_XDIGIT,
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	226 NFA_CLASS_TAB,
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	227 NFA_CLASS_RETURN,
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	228 NFA_CLASS_BACKSPACE,
15709 2e2f07561f4b patch 8.1.0862: no verbose version of character classes Bram Moolenaar <Bram@vim.org> parents: 15603 diff changeset	229 NFA_CLASS_ESCAPE,
2e2f07561f4b patch 8.1.0862: no verbose version of character classes Bram Moolenaar <Bram@vim.org> parents: 15603 diff changeset	230 NFA_CLASS_IDENT,
2e2f07561f4b patch 8.1.0862: no verbose version of character classes Bram Moolenaar <Bram@vim.org> parents: 15603 diff changeset	231 NFA_CLASS_KEYWORD,
2e2f07561f4b patch 8.1.0862: no verbose version of character classes Bram Moolenaar <Bram@vim.org> parents: 15603 diff changeset	232 NFA_CLASS_FNAME
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	233 };
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	234
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	235 // Keep in sync with classchars.
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	236 static int nfa_classcodes[] = {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	237 NFA_ANY, NFA_IDENT, NFA_SIDENT, NFA_KWORD,NFA_SKWORD,
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	238 NFA_FNAME, NFA_SFNAME, NFA_PRINT, NFA_SPRINT,
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	239 NFA_WHITE, NFA_NWHITE, NFA_DIGIT, NFA_NDIGIT,
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	240 NFA_HEX, NFA_NHEX, NFA_OCTAL, NFA_NOCTAL,
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	241 NFA_WORD, NFA_NWORD, NFA_HEAD, NFA_NHEAD,
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	242 NFA_ALPHA, NFA_NALPHA, NFA_LOWER, NFA_NLOWER,
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	243 NFA_UPPER, NFA_NUPPER
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	244 };
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	245
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	246 // Variables only used in nfa_regcomp() and descendants.
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	247 static int nfa_re_flags; // re_flags passed to nfa_regcomp()
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	248 static int *post_start; // holds the postfix form of r.e.
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	249 static int *post_end;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	250 static int *post_ptr;
23471 a7cdfc8e4b6e patch 8.2.2278: falling back to old regexp engine can some patterns Bram Moolenaar <Bram@vim.org> parents: 23270 diff changeset	251
a7cdfc8e4b6e patch 8.2.2278: falling back to old regexp engine can some patterns Bram Moolenaar <Bram@vim.org> parents: 23270 diff changeset	252 // Set when the pattern should use the NFA engine.
a7cdfc8e4b6e patch 8.2.2278: falling back to old regexp engine can some patterns Bram Moolenaar <Bram@vim.org> parents: 23270 diff changeset	253 // E.g. [[:upper:]] only allows 8bit characters for BT engine,
a7cdfc8e4b6e patch 8.2.2278: falling back to old regexp engine can some patterns Bram Moolenaar <Bram@vim.org> parents: 23270 diff changeset	254 // while NFA engine handles multibyte characters correctly.
a7cdfc8e4b6e patch 8.2.2278: falling back to old regexp engine can some patterns Bram Moolenaar <Bram@vim.org> parents: 23270 diff changeset	255 static int wants_nfa;
a7cdfc8e4b6e patch 8.2.2278: falling back to old regexp engine can some patterns Bram Moolenaar <Bram@vim.org> parents: 23270 diff changeset	256
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	257 static int nstate; // Number of states in the NFA.
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	258 static int istate; // Index in the state vector, used in alloc_state()
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	259
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	260 // If not NULL match must end at this position
4694 efc4fb311d5d updated for version 7.3.1094 Bram Moolenaar <bram@vim.org> parents: 4692 diff changeset	261 static save_se_T *nfa_endp = NULL;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	262
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	263 // 0 for first call to nfa_regmatch(), 1 for recursive call.
4718 ec72bb4a0fc2 updated for version 7.3.1106 Bram Moolenaar <bram@vim.org> parents: 4716 diff changeset	264 static int nfa_ll_index = 0;
ec72bb4a0fc2 updated for version 7.3.1106 Bram Moolenaar <bram@vim.org> parents: 4716 diff changeset	265
7805 0b6c37dd858d commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077 Christian Brabandt <cb@256bit.org> parents: 7258 diff changeset	266 static int realloc_post_list(void);
0b6c37dd858d commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077 Christian Brabandt <cb@256bit.org> parents: 7258 diff changeset	267 static int nfa_reg(int paren);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	268 #ifdef DEBUG
7805 0b6c37dd858d commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077 Christian Brabandt <cb@256bit.org> parents: 7258 diff changeset	269 static void nfa_print_state2(FILE debugf, nfa_state_T state, garray_T *indent);
14309 15530de011bc patch 8.1.0170: invalid memory use with complicated pattern Christian Brabandt <cb@256bit.org> parents: 14173 diff changeset	270 #endif
7805 0b6c37dd858d commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077 Christian Brabandt <cb@256bit.org> parents: 7258 diff changeset	271 static int match_follows(nfa_state_T *startstate, int depth);
0b6c37dd858d commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077 Christian Brabandt <cb@256bit.org> parents: 7258 diff changeset	272 static int failure_chance(nfa_state_T *state, int depth);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	273
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	274 // helper functions used when doing re2post() ... regatom() parsing
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	275 #define EMIT(c) do { \
4651 f10f63aaec5c updated for version 7.3.1073 Bram Moolenaar <bram@vim.org> parents: 4649 diff changeset	276 if (post_ptr >= post_end && realloc_post_list() == FAIL) \
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	277 return FAIL; \
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	278 *post_ptr++ = c; \
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	279 } while (0)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	280
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	281 /*
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	282 * Initialize internal variables before NFA compilation.
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	283 * Return OK on success, FAIL otherwise.
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	284 */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	285 static int
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	286 nfa_regcomp_start(
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	287 char_u *expr,
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	288 int re_flags) // see vim_regcomp()
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	289 {
4458 21e13403140a updated for version 7.3.977 Bram Moolenaar <bram@vim.org> parents: 4456 diff changeset	290 size_t postfix_size;
4555 b2946c06d1b6 updated for version 7.3.1025 Bram Moolenaar <bram@vim.org> parents: 4553 diff changeset	291 int nstate_max;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	292
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	293 nstate = 0;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	294 istate = 0;
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	295 // A reasonable estimation for maximum size
4673 05d57d7c2d55 updated for version 7.3.1084 Bram Moolenaar <bram@vim.org> parents: 4671 diff changeset	296 nstate_max = (int)(STRLEN(expr) + 1) * 25;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	297
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	298 // Some items blow up in size, such as [A-z]. Add more space for that.
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	299 // When it is still not enough realloc_post_list() will be used.
4458 21e13403140a updated for version 7.3.977 Bram Moolenaar <bram@vim.org> parents: 4456 diff changeset	300 nstate_max += 1000;
4454 44b89b025cdf updated for version 7.3.975 Bram Moolenaar <bram@vim.org> parents: 4450 diff changeset	301
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	302 // Size for postfix representation of expr.
4651 f10f63aaec5c updated for version 7.3.1073 Bram Moolenaar <bram@vim.org> parents: 4649 diff changeset	303 postfix_size = sizeof(int) * nstate_max;
4454 44b89b025cdf updated for version 7.3.975 Bram Moolenaar <bram@vim.org> parents: 4450 diff changeset	304
16825 ce04ebdf26b8 patch 8.1.1414: alloc() returning "char_u " causes a lot of type casts Bram Moolenaar <Bram@vim.org>* parents: 16782 diff changeset	305 post_start = alloc(postfix_size);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	306 if (post_start == NULL)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	307 return FAIL;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	308 post_ptr = post_start;
4454 44b89b025cdf updated for version 7.3.975 Bram Moolenaar <bram@vim.org> parents: 4450 diff changeset	309 post_end = post_start + nstate_max;
23471 a7cdfc8e4b6e patch 8.2.2278: falling back to old regexp engine can some patterns Bram Moolenaar <Bram@vim.org> parents: 23270 diff changeset	310 wants_nfa = FALSE;
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	311 rex.nfa_has_zend = FALSE;
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	312 rex.nfa_has_backref = FALSE;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	313
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	314 // shared with BT engine
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	315 regcomp_start(expr, re_flags);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	316
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	317 return OK;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	318 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	319
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	320 /*
4772 03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	321 * Figure out if the NFA state list starts with an anchor, must match at start
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	322 * of the line.
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	323 */
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	324 static int
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	325 nfa_get_reganch(nfa_state_T *start, int depth)
4772 03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	326 {
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	327 nfa_state_T *p = start;
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	328
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	329 if (depth > 4)
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	330 return 0;
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	331
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	332 while (p != NULL)
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	333 {
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	334 switch (p->c)
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	335 {
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	336 case NFA_BOL:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	337 case NFA_BOF:
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	338 return 1; // yes!
4772 03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	339
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	340 case NFA_ZSTART:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	341 case NFA_ZEND:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	342 case NFA_CURSOR:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	343 case NFA_VISUAL:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	344
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	345 case NFA_MOPEN:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	346 case NFA_MOPEN1:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	347 case NFA_MOPEN2:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	348 case NFA_MOPEN3:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	349 case NFA_MOPEN4:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	350 case NFA_MOPEN5:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	351 case NFA_MOPEN6:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	352 case NFA_MOPEN7:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	353 case NFA_MOPEN8:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	354 case NFA_MOPEN9:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	355 case NFA_NOPEN:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	356 #ifdef FEAT_SYN_HL
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	357 case NFA_ZOPEN:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	358 case NFA_ZOPEN1:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	359 case NFA_ZOPEN2:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	360 case NFA_ZOPEN3:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	361 case NFA_ZOPEN4:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	362 case NFA_ZOPEN5:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	363 case NFA_ZOPEN6:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	364 case NFA_ZOPEN7:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	365 case NFA_ZOPEN8:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	366 case NFA_ZOPEN9:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	367 #endif
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	368 p = p->out;
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	369 break;
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	370
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	371 case NFA_SPLIT:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	372 return nfa_get_reganch(p->out, depth + 1)
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	373 && nfa_get_reganch(p->out1, depth + 1);
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	374
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	375 default:
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	376 return 0; // noooo
4772 03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	377 }
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	378 }
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	379 return 0;
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	380 }
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	381
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	382 /*
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	383 * Figure out if the NFA state list starts with a character which must match
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	384 * at start of the match.
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	385 */
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	386 static int
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	387 nfa_get_regstart(nfa_state_T *start, int depth)
4772 03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	388 {
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	389 nfa_state_T *p = start;
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	390
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	391 if (depth > 4)
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	392 return 0;
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	393
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	394 while (p != NULL)
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	395 {
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	396 switch (p->c)
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	397 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	398 // all kinds of zero-width matches
4772 03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	399 case NFA_BOL:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	400 case NFA_BOF:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	401 case NFA_BOW:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	402 case NFA_EOW:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	403 case NFA_ZSTART:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	404 case NFA_ZEND:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	405 case NFA_CURSOR:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	406 case NFA_VISUAL:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	407 case NFA_LNUM:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	408 case NFA_LNUM_GT:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	409 case NFA_LNUM_LT:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	410 case NFA_COL:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	411 case NFA_COL_GT:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	412 case NFA_COL_LT:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	413 case NFA_VCOL:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	414 case NFA_VCOL_GT:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	415 case NFA_VCOL_LT:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	416 case NFA_MARK:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	417 case NFA_MARK_GT:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	418 case NFA_MARK_LT:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	419
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	420 case NFA_MOPEN:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	421 case NFA_MOPEN1:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	422 case NFA_MOPEN2:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	423 case NFA_MOPEN3:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	424 case NFA_MOPEN4:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	425 case NFA_MOPEN5:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	426 case NFA_MOPEN6:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	427 case NFA_MOPEN7:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	428 case NFA_MOPEN8:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	429 case NFA_MOPEN9:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	430 case NFA_NOPEN:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	431 #ifdef FEAT_SYN_HL
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	432 case NFA_ZOPEN:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	433 case NFA_ZOPEN1:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	434 case NFA_ZOPEN2:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	435 case NFA_ZOPEN3:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	436 case NFA_ZOPEN4:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	437 case NFA_ZOPEN5:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	438 case NFA_ZOPEN6:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	439 case NFA_ZOPEN7:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	440 case NFA_ZOPEN8:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	441 case NFA_ZOPEN9:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	442 #endif
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	443 p = p->out;
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	444 break;
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	445
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	446 case NFA_SPLIT:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	447 {
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	448 int c1 = nfa_get_regstart(p->out, depth + 1);
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	449 int c2 = nfa_get_regstart(p->out1, depth + 1);
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	450
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	451 if (c1 == c2)
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	452 return c1; // yes!
4772 03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	453 return 0;
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	454 }
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	455
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	456 default:
4785 3b5a023a4543 updated for version 7.3.1139 Bram Moolenaar <bram@vim.org> parents: 4783 diff changeset	457 if (p->c > 0)
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	458 return p->c; // yes!
4772 03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	459 return 0;
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	460 }
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	461 }
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	462 return 0;
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	463 }
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	464
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	465 /*
4805 66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	466 * Figure out if the NFA state list contains just literal text and nothing
4807 3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	467 * else. If so return a string in allocated memory with what must match after
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	468 * regstart. Otherwise return NULL.
4805 66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	469 */
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	470 static char_u *
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	471 nfa_get_match_text(nfa_state_T *start)
4805 66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	472 {
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	473 nfa_state_T *p = start;
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	474 int len = 0;
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	475 char_u *ret;
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	476 char_u *s;
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	477
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	478 if (p->c != NFA_MOPEN)
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	479 return NULL; // just in case
4805 66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	480 p = p->out;
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	481 while (p->c > 0)
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	482 {
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	483 len += MB_CHAR2LEN(p->c);
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	484 p = p->out;
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	485 }
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	486 if (p->c != NFA_MCLOSE \|\| p->out->c != NFA_MATCH)
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	487 return NULL;
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	488
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	489 ret = alloc(len);
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	490 if (ret != NULL)
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	491 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	492 p = start->out->out; // skip first char, it goes into regstart
4805 66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	493 s = ret;
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	494 while (p->c > 0)
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	495 {
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	496 if (has_mbyte)
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	497 s += (*mb_char2bytes)(p->c, s);
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	498 else
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	499 *s++ = p->c;
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	500 p = p->out;
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	501 }
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	502 *s = NUL;
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	503 }
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	504 return ret;
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	505 }
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	506
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	507 /*
4651 f10f63aaec5c updated for version 7.3.1073 Bram Moolenaar <bram@vim.org> parents: 4649 diff changeset	508 * Allocate more space for post_start. Called when
f10f63aaec5c updated for version 7.3.1073 Bram Moolenaar <bram@vim.org> parents: 4649 diff changeset	509 * running above the estimated number of states.
f10f63aaec5c updated for version 7.3.1073 Bram Moolenaar <bram@vim.org> parents: 4649 diff changeset	510 */
f10f63aaec5c updated for version 7.3.1073 Bram Moolenaar <bram@vim.org> parents: 4649 diff changeset	511 static int
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	512 realloc_post_list(void)
4651 f10f63aaec5c updated for version 7.3.1073 Bram Moolenaar <bram@vim.org> parents: 4649 diff changeset	513 {
4667 9e7ef781d494 updated for version 7.3.1081 Bram Moolenaar <bram@vim.org> parents: 4661 diff changeset	514 int nstate_max = (int)(post_end - post_start);
15904 fec4416adb80 patch 8.1.0958: compiling weird regexp pattern is very slow Bram Moolenaar <Bram@vim.org> parents: 15876 diff changeset	515 int new_max;
4651 f10f63aaec5c updated for version 7.3.1073 Bram Moolenaar <bram@vim.org> parents: 4649 diff changeset	516 int *new_start;
f10f63aaec5c updated for version 7.3.1073 Bram Moolenaar <bram@vim.org> parents: 4649 diff changeset	517 int *old_start;
f10f63aaec5c updated for version 7.3.1073 Bram Moolenaar <bram@vim.org> parents: 4649 diff changeset	518
15904 fec4416adb80 patch 8.1.0958: compiling weird regexp pattern is very slow Bram Moolenaar <Bram@vim.org> parents: 15876 diff changeset	519 // For weird patterns the number of states can be very high. Increasing by
fec4416adb80 patch 8.1.0958: compiling weird regexp pattern is very slow Bram Moolenaar <Bram@vim.org> parents: 15876 diff changeset	520 // 50% seems a reasonable compromise between memory use and speed.
fec4416adb80 patch 8.1.0958: compiling weird regexp pattern is very slow Bram Moolenaar <Bram@vim.org> parents: 15876 diff changeset	521 new_max = nstate_max * 3 / 2;
16825 ce04ebdf26b8 patch 8.1.1414: alloc() returning "char_u " causes a lot of type casts Bram Moolenaar <Bram@vim.org>* parents: 16782 diff changeset	522 new_start = ALLOC_MULT(int, new_max);
4651 f10f63aaec5c updated for version 7.3.1073 Bram Moolenaar <bram@vim.org> parents: 4649 diff changeset	523 if (new_start == NULL)
f10f63aaec5c updated for version 7.3.1073 Bram Moolenaar <bram@vim.org> parents: 4649 diff changeset	524 return FAIL;
f10f63aaec5c updated for version 7.3.1073 Bram Moolenaar <bram@vim.org> parents: 4649 diff changeset	525 mch_memmove(new_start, post_start, nstate_max * sizeof(int));
f10f63aaec5c updated for version 7.3.1073 Bram Moolenaar <bram@vim.org> parents: 4649 diff changeset	526 old_start = post_start;
f10f63aaec5c updated for version 7.3.1073 Bram Moolenaar <bram@vim.org> parents: 4649 diff changeset	527 post_start = new_start;
f10f63aaec5c updated for version 7.3.1073 Bram Moolenaar <bram@vim.org> parents: 4649 diff changeset	528 post_ptr = new_start + (post_ptr - old_start);
f10f63aaec5c updated for version 7.3.1073 Bram Moolenaar <bram@vim.org> parents: 4649 diff changeset	529 post_end = post_start + new_max;
f10f63aaec5c updated for version 7.3.1073 Bram Moolenaar <bram@vim.org> parents: 4649 diff changeset	530 vim_free(old_start);
f10f63aaec5c updated for version 7.3.1073 Bram Moolenaar <bram@vim.org> parents: 4649 diff changeset	531 return OK;
f10f63aaec5c updated for version 7.3.1073 Bram Moolenaar <bram@vim.org> parents: 4649 diff changeset	532 }
f10f63aaec5c updated for version 7.3.1073 Bram Moolenaar <bram@vim.org> parents: 4649 diff changeset	533
f10f63aaec5c updated for version 7.3.1073 Bram Moolenaar <bram@vim.org> parents: 4649 diff changeset	534 /*
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	535 * Search between "start" and "end" and try to recognize a
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	536 * character class in expanded form. For example [0-9].
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	537 * On success, return the id the character class to be emitted.
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	538 * On failure, return 0 (=FAIL)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	539 * Start points to the first char of the range, while end should point
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	540 * to the closing brace.
5296 3e9107b86b68 updated for version 7.4.001 Bram Moolenaar <bram@vim.org> parents: 5255 diff changeset	541 * Keep in mind that 'ignorecase' applies at execution time, thus [a-z] may
3e9107b86b68 updated for version 7.4.001 Bram Moolenaar <bram@vim.org> parents: 5255 diff changeset	542 * need to be interpreted as [a-zA-Z].
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	543 */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	544 static int
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	545 nfa_recognize_char_class(char_u start, char_u end, int extra_newl)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	546 {
4728 43de4ebbe7ad updated for version 7.3.1111 Bram Moolenaar <bram@vim.org> parents: 4726 diff changeset	547 # define CLASS_not 0x80
43de4ebbe7ad updated for version 7.3.1111 Bram Moolenaar <bram@vim.org> parents: 4726 diff changeset	548 # define CLASS_af 0x40
43de4ebbe7ad updated for version 7.3.1111 Bram Moolenaar <bram@vim.org> parents: 4726 diff changeset	549 # define CLASS_AF 0x20
43de4ebbe7ad updated for version 7.3.1111 Bram Moolenaar <bram@vim.org> parents: 4726 diff changeset	550 # define CLASS_az 0x10
43de4ebbe7ad updated for version 7.3.1111 Bram Moolenaar <bram@vim.org> parents: 4726 diff changeset	551 # define CLASS_AZ 0x08
43de4ebbe7ad updated for version 7.3.1111 Bram Moolenaar <bram@vim.org> parents: 4726 diff changeset	552 # define CLASS_o7 0x04
43de4ebbe7ad updated for version 7.3.1111 Bram Moolenaar <bram@vim.org> parents: 4726 diff changeset	553 # define CLASS_o9 0x02
43de4ebbe7ad updated for version 7.3.1111 Bram Moolenaar <bram@vim.org> parents: 4726 diff changeset	554 # define CLASS_underscore 0x01
43de4ebbe7ad updated for version 7.3.1111 Bram Moolenaar <bram@vim.org> parents: 4726 diff changeset	555
43de4ebbe7ad updated for version 7.3.1111 Bram Moolenaar <bram@vim.org> parents: 4726 diff changeset	556 int newl = FALSE;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	557 char_u *p;
4728 43de4ebbe7ad updated for version 7.3.1111 Bram Moolenaar <bram@vim.org> parents: 4726 diff changeset	558 int config = 0;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	559
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	560 if (extra_newl == TRUE)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	561 newl = TRUE;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	562
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	563 if (*end != ']')
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	564 return FAIL;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	565 p = start;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	566 if (*p == '^')
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	567 {
4728 43de4ebbe7ad updated for version 7.3.1111 Bram Moolenaar <bram@vim.org> parents: 4726 diff changeset	568 config \|= CLASS_not;
4720 bd6bef0bd0fb updated for version 7.3.1107 Bram Moolenaar <bram@vim.org> parents: 4718 diff changeset	569 p++;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	570 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	571
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	572 while (p < end)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	573 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	574 if (p + 2 < end && *(p + 1) == '-')
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	575 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	576 switch (*p)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	577 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	578 case '0':
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	579 if (*(p + 2) == '9')
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	580 {
4728 43de4ebbe7ad updated for version 7.3.1111 Bram Moolenaar <bram@vim.org> parents: 4726 diff changeset	581 config \|= CLASS_o9;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	582 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	583 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	584 if (*(p + 2) == '7')
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	585 {
4728 43de4ebbe7ad updated for version 7.3.1111 Bram Moolenaar <bram@vim.org> parents: 4726 diff changeset	586 config \|= CLASS_o7;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	587 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	588 }
11469 0ade9dd85156 patch 8.0.0618: NFA regex engine handles [0-z] incorrectly Christian Brabandt <cb@256bit.org> parents: 11269 diff changeset	589 return FAIL;
0ade9dd85156 patch 8.0.0618: NFA regex engine handles [0-z] incorrectly Christian Brabandt <cb@256bit.org> parents: 11269 diff changeset	590
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	591 case 'a':
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	592 if (*(p + 2) == 'z')
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	593 {
4728 43de4ebbe7ad updated for version 7.3.1111 Bram Moolenaar <bram@vim.org> parents: 4726 diff changeset	594 config \|= CLASS_az;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	595 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	596 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	597 if (*(p + 2) == 'f')
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	598 {
4728 43de4ebbe7ad updated for version 7.3.1111 Bram Moolenaar <bram@vim.org> parents: 4726 diff changeset	599 config \|= CLASS_af;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	600 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	601 }
11469 0ade9dd85156 patch 8.0.0618: NFA regex engine handles [0-z] incorrectly Christian Brabandt <cb@256bit.org> parents: 11269 diff changeset	602 return FAIL;
0ade9dd85156 patch 8.0.0618: NFA regex engine handles [0-z] incorrectly Christian Brabandt <cb@256bit.org> parents: 11269 diff changeset	603
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	604 case 'A':
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	605 if (*(p + 2) == 'Z')
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	606 {
4728 43de4ebbe7ad updated for version 7.3.1111 Bram Moolenaar <bram@vim.org> parents: 4726 diff changeset	607 config \|= CLASS_AZ;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	608 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	609 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	610 if (*(p + 2) == 'F')
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	611 {
4728 43de4ebbe7ad updated for version 7.3.1111 Bram Moolenaar <bram@vim.org> parents: 4726 diff changeset	612 config \|= CLASS_AF;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	613 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	614 }
11469 0ade9dd85156 patch 8.0.0618: NFA regex engine handles [0-z] incorrectly Christian Brabandt <cb@256bit.org> parents: 11269 diff changeset	615 return FAIL;
0ade9dd85156 patch 8.0.0618: NFA regex engine handles [0-z] incorrectly Christian Brabandt <cb@256bit.org> parents: 11269 diff changeset	616
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	617 default:
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	618 return FAIL;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	619 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	620 p += 3;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	621 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	622 else if (p + 1 < end && p == '\\' && (p + 1) == 'n')
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	623 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	624 newl = TRUE;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	625 p += 2;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	626 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	627 else if (*p == '_')
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	628 {
4728 43de4ebbe7ad updated for version 7.3.1111 Bram Moolenaar <bram@vim.org> parents: 4726 diff changeset	629 config \|= CLASS_underscore;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	630 p ++;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	631 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	632 else if (*p == '\n')
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	633 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	634 newl = TRUE;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	635 p ++;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	636 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	637 else
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	638 return FAIL;
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	639 } // while (p < end)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	640
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	641 if (p != end)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	642 return FAIL;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	643
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	644 if (newl == TRUE)
5296 3e9107b86b68 updated for version 7.4.001 Bram Moolenaar <bram@vim.org> parents: 5255 diff changeset	645 extra_newl = NFA_ADD_NL;
4728 43de4ebbe7ad updated for version 7.3.1111 Bram Moolenaar <bram@vim.org> parents: 4726 diff changeset	646
43de4ebbe7ad updated for version 7.3.1111 Bram Moolenaar <bram@vim.org> parents: 4726 diff changeset	647 switch (config)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	648 {
4728 43de4ebbe7ad updated for version 7.3.1111 Bram Moolenaar <bram@vim.org> parents: 4726 diff changeset	649 case CLASS_o9:
43de4ebbe7ad updated for version 7.3.1111 Bram Moolenaar <bram@vim.org> parents: 4726 diff changeset	650 return extra_newl + NFA_DIGIT;
43de4ebbe7ad updated for version 7.3.1111 Bram Moolenaar <bram@vim.org> parents: 4726 diff changeset	651 case CLASS_not \| CLASS_o9:
43de4ebbe7ad updated for version 7.3.1111 Bram Moolenaar <bram@vim.org> parents: 4726 diff changeset	652 return extra_newl + NFA_NDIGIT;
43de4ebbe7ad updated for version 7.3.1111 Bram Moolenaar <bram@vim.org> parents: 4726 diff changeset	653 case CLASS_af \| CLASS_AF \| CLASS_o9:
43de4ebbe7ad updated for version 7.3.1111 Bram Moolenaar <bram@vim.org> parents: 4726 diff changeset	654 return extra_newl + NFA_HEX;
43de4ebbe7ad updated for version 7.3.1111 Bram Moolenaar <bram@vim.org> parents: 4726 diff changeset	655 case CLASS_not \| CLASS_af \| CLASS_AF \| CLASS_o9:
43de4ebbe7ad updated for version 7.3.1111 Bram Moolenaar <bram@vim.org> parents: 4726 diff changeset	656 return extra_newl + NFA_NHEX;
43de4ebbe7ad updated for version 7.3.1111 Bram Moolenaar <bram@vim.org> parents: 4726 diff changeset	657 case CLASS_o7:
43de4ebbe7ad updated for version 7.3.1111 Bram Moolenaar <bram@vim.org> parents: 4726 diff changeset	658 return extra_newl + NFA_OCTAL;
43de4ebbe7ad updated for version 7.3.1111 Bram Moolenaar <bram@vim.org> parents: 4726 diff changeset	659 case CLASS_not \| CLASS_o7:
43de4ebbe7ad updated for version 7.3.1111 Bram Moolenaar <bram@vim.org> parents: 4726 diff changeset	660 return extra_newl + NFA_NOCTAL;
43de4ebbe7ad updated for version 7.3.1111 Bram Moolenaar <bram@vim.org> parents: 4726 diff changeset	661 case CLASS_az \| CLASS_AZ \| CLASS_o9 \| CLASS_underscore:
43de4ebbe7ad updated for version 7.3.1111 Bram Moolenaar <bram@vim.org> parents: 4726 diff changeset	662 return extra_newl + NFA_WORD;
43de4ebbe7ad updated for version 7.3.1111 Bram Moolenaar <bram@vim.org> parents: 4726 diff changeset	663 case CLASS_not \| CLASS_az \| CLASS_AZ \| CLASS_o9 \| CLASS_underscore:
43de4ebbe7ad updated for version 7.3.1111 Bram Moolenaar <bram@vim.org> parents: 4726 diff changeset	664 return extra_newl + NFA_NWORD;
43de4ebbe7ad updated for version 7.3.1111 Bram Moolenaar <bram@vim.org> parents: 4726 diff changeset	665 case CLASS_az \| CLASS_AZ \| CLASS_underscore:
43de4ebbe7ad updated for version 7.3.1111 Bram Moolenaar <bram@vim.org> parents: 4726 diff changeset	666 return extra_newl + NFA_HEAD;
43de4ebbe7ad updated for version 7.3.1111 Bram Moolenaar <bram@vim.org> parents: 4726 diff changeset	667 case CLASS_not \| CLASS_az \| CLASS_AZ \| CLASS_underscore:
43de4ebbe7ad updated for version 7.3.1111 Bram Moolenaar <bram@vim.org> parents: 4726 diff changeset	668 return extra_newl + NFA_NHEAD;
43de4ebbe7ad updated for version 7.3.1111 Bram Moolenaar <bram@vim.org> parents: 4726 diff changeset	669 case CLASS_az \| CLASS_AZ:
43de4ebbe7ad updated for version 7.3.1111 Bram Moolenaar <bram@vim.org> parents: 4726 diff changeset	670 return extra_newl + NFA_ALPHA;
43de4ebbe7ad updated for version 7.3.1111 Bram Moolenaar <bram@vim.org> parents: 4726 diff changeset	671 case CLASS_not \| CLASS_az \| CLASS_AZ:
43de4ebbe7ad updated for version 7.3.1111 Bram Moolenaar <bram@vim.org> parents: 4726 diff changeset	672 return extra_newl + NFA_NALPHA;
43de4ebbe7ad updated for version 7.3.1111 Bram Moolenaar <bram@vim.org> parents: 4726 diff changeset	673 case CLASS_az:
5296 3e9107b86b68 updated for version 7.4.001 Bram Moolenaar <bram@vim.org> parents: 5255 diff changeset	674 return extra_newl + NFA_LOWER_IC;
4728 43de4ebbe7ad updated for version 7.3.1111 Bram Moolenaar <bram@vim.org> parents: 4726 diff changeset	675 case CLASS_not \| CLASS_az:
5296 3e9107b86b68 updated for version 7.4.001 Bram Moolenaar <bram@vim.org> parents: 5255 diff changeset	676 return extra_newl + NFA_NLOWER_IC;
4728 43de4ebbe7ad updated for version 7.3.1111 Bram Moolenaar <bram@vim.org> parents: 4726 diff changeset	677 case CLASS_AZ:
5296 3e9107b86b68 updated for version 7.4.001 Bram Moolenaar <bram@vim.org> parents: 5255 diff changeset	678 return extra_newl + NFA_UPPER_IC;
4728 43de4ebbe7ad updated for version 7.3.1111 Bram Moolenaar <bram@vim.org> parents: 4726 diff changeset	679 case CLASS_not \| CLASS_AZ:
5296 3e9107b86b68 updated for version 7.4.001 Bram Moolenaar <bram@vim.org> parents: 5255 diff changeset	680 return extra_newl + NFA_NUPPER_IC;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	681 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	682 return FAIL;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	683 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	684
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	685 /*
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	686 * Produce the bytes for equivalence class "c".
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	687 * Currently only handles latin1, latin9 and utf-8.
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	688 * Emits bytes in postfix notation: 'a,b,NFA_OR,c,NFA_OR' is
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	689 * equivalent to 'a OR b OR c'
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	690 *
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	691 * NOTE! When changing this function, also update reg_equi_class()
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	692 */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	693 static int
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	694 nfa_emit_equi_class(int c)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	695 {
5351 923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	696 #define EMIT2(c) EMIT(c); EMIT(NFA_CONCAT);
15603 639b8318472c patch 8.1.0809: too many #ifdefs Bram Moolenaar <Bram@vim.org> parents: 15490 diff changeset	697
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	698 if (enc_utf8 \|\| STRCMP(p_enc, "latin1") == 0
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	699 \|\| STRCMP(p_enc, "iso-8859-15") == 0)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	700 {
27490 fb4c30606b4a patch 8.2.4273: the EBCDIC support is outdated Bram Moolenaar <Bram@vim.org> parents: 27000 diff changeset	701 #define A_grave 0xc0
fb4c30606b4a patch 8.2.4273: the EBCDIC support is outdated Bram Moolenaar <Bram@vim.org> parents: 27000 diff changeset	702 #define A_acute 0xc1
fb4c30606b4a patch 8.2.4273: the EBCDIC support is outdated Bram Moolenaar <Bram@vim.org> parents: 27000 diff changeset	703 #define A_circumflex 0xc2
fb4c30606b4a patch 8.2.4273: the EBCDIC support is outdated Bram Moolenaar <Bram@vim.org> parents: 27000 diff changeset	704 #define A_virguilla 0xc3
fb4c30606b4a patch 8.2.4273: the EBCDIC support is outdated Bram Moolenaar <Bram@vim.org> parents: 27000 diff changeset	705 #define A_diaeresis 0xc4
fb4c30606b4a patch 8.2.4273: the EBCDIC support is outdated Bram Moolenaar <Bram@vim.org> parents: 27000 diff changeset	706 #define A_ring 0xc5
fb4c30606b4a patch 8.2.4273: the EBCDIC support is outdated Bram Moolenaar <Bram@vim.org> parents: 27000 diff changeset	707 #define C_cedilla 0xc7
fb4c30606b4a patch 8.2.4273: the EBCDIC support is outdated Bram Moolenaar <Bram@vim.org> parents: 27000 diff changeset	708 #define E_grave 0xc8
fb4c30606b4a patch 8.2.4273: the EBCDIC support is outdated Bram Moolenaar <Bram@vim.org> parents: 27000 diff changeset	709 #define E_acute 0xc9
fb4c30606b4a patch 8.2.4273: the EBCDIC support is outdated Bram Moolenaar <Bram@vim.org> parents: 27000 diff changeset	710 #define E_circumflex 0xca
fb4c30606b4a patch 8.2.4273: the EBCDIC support is outdated Bram Moolenaar <Bram@vim.org> parents: 27000 diff changeset	711 #define E_diaeresis 0xcb
fb4c30606b4a patch 8.2.4273: the EBCDIC support is outdated Bram Moolenaar <Bram@vim.org> parents: 27000 diff changeset	712 #define I_grave 0xcc
fb4c30606b4a patch 8.2.4273: the EBCDIC support is outdated Bram Moolenaar <Bram@vim.org> parents: 27000 diff changeset	713 #define I_acute 0xcd
fb4c30606b4a patch 8.2.4273: the EBCDIC support is outdated Bram Moolenaar <Bram@vim.org> parents: 27000 diff changeset	714 #define I_circumflex 0xce
fb4c30606b4a patch 8.2.4273: the EBCDIC support is outdated Bram Moolenaar <Bram@vim.org> parents: 27000 diff changeset	715 #define I_diaeresis 0xcf
fb4c30606b4a patch 8.2.4273: the EBCDIC support is outdated Bram Moolenaar <Bram@vim.org> parents: 27000 diff changeset	716 #define N_virguilla 0xd1
fb4c30606b4a patch 8.2.4273: the EBCDIC support is outdated Bram Moolenaar <Bram@vim.org> parents: 27000 diff changeset	717 #define O_grave 0xd2
fb4c30606b4a patch 8.2.4273: the EBCDIC support is outdated Bram Moolenaar <Bram@vim.org> parents: 27000 diff changeset	718 #define O_acute 0xd3
fb4c30606b4a patch 8.2.4273: the EBCDIC support is outdated Bram Moolenaar <Bram@vim.org> parents: 27000 diff changeset	719 #define O_circumflex 0xd4
fb4c30606b4a patch 8.2.4273: the EBCDIC support is outdated Bram Moolenaar <Bram@vim.org> parents: 27000 diff changeset	720 #define O_virguilla 0xd5
fb4c30606b4a patch 8.2.4273: the EBCDIC support is outdated Bram Moolenaar <Bram@vim.org> parents: 27000 diff changeset	721 #define O_diaeresis 0xd6
fb4c30606b4a patch 8.2.4273: the EBCDIC support is outdated Bram Moolenaar <Bram@vim.org> parents: 27000 diff changeset	722 #define O_slash 0xd8
fb4c30606b4a patch 8.2.4273: the EBCDIC support is outdated Bram Moolenaar <Bram@vim.org> parents: 27000 diff changeset	723 #define U_grave 0xd9
fb4c30606b4a patch 8.2.4273: the EBCDIC support is outdated Bram Moolenaar <Bram@vim.org> parents: 27000 diff changeset	724 #define U_acute 0xda
fb4c30606b4a patch 8.2.4273: the EBCDIC support is outdated Bram Moolenaar <Bram@vim.org> parents: 27000 diff changeset	725 #define U_circumflex 0xdb
fb4c30606b4a patch 8.2.4273: the EBCDIC support is outdated Bram Moolenaar <Bram@vim.org> parents: 27000 diff changeset	726 #define U_diaeresis 0xdc
fb4c30606b4a patch 8.2.4273: the EBCDIC support is outdated Bram Moolenaar <Bram@vim.org> parents: 27000 diff changeset	727 #define Y_acute 0xdd
fb4c30606b4a patch 8.2.4273: the EBCDIC support is outdated Bram Moolenaar <Bram@vim.org> parents: 27000 diff changeset	728 #define a_grave 0xe0
fb4c30606b4a patch 8.2.4273: the EBCDIC support is outdated Bram Moolenaar <Bram@vim.org> parents: 27000 diff changeset	729 #define a_acute 0xe1
fb4c30606b4a patch 8.2.4273: the EBCDIC support is outdated Bram Moolenaar <Bram@vim.org> parents: 27000 diff changeset	730 #define a_circumflex 0xe2
fb4c30606b4a patch 8.2.4273: the EBCDIC support is outdated Bram Moolenaar <Bram@vim.org> parents: 27000 diff changeset	731 #define a_virguilla 0xe3
fb4c30606b4a patch 8.2.4273: the EBCDIC support is outdated Bram Moolenaar <Bram@vim.org> parents: 27000 diff changeset	732 #define a_diaeresis 0xe4
fb4c30606b4a patch 8.2.4273: the EBCDIC support is outdated Bram Moolenaar <Bram@vim.org> parents: 27000 diff changeset	733 #define a_ring 0xe5
fb4c30606b4a patch 8.2.4273: the EBCDIC support is outdated Bram Moolenaar <Bram@vim.org> parents: 27000 diff changeset	734 #define c_cedilla 0xe7
fb4c30606b4a patch 8.2.4273: the EBCDIC support is outdated Bram Moolenaar <Bram@vim.org> parents: 27000 diff changeset	735 #define e_grave 0xe8
fb4c30606b4a patch 8.2.4273: the EBCDIC support is outdated Bram Moolenaar <Bram@vim.org> parents: 27000 diff changeset	736 #define e_acute 0xe9
fb4c30606b4a patch 8.2.4273: the EBCDIC support is outdated Bram Moolenaar <Bram@vim.org> parents: 27000 diff changeset	737 #define e_circumflex 0xea
fb4c30606b4a patch 8.2.4273: the EBCDIC support is outdated Bram Moolenaar <Bram@vim.org> parents: 27000 diff changeset	738 #define e_diaeresis 0xeb
fb4c30606b4a patch 8.2.4273: the EBCDIC support is outdated Bram Moolenaar <Bram@vim.org> parents: 27000 diff changeset	739 #define i_grave 0xec
fb4c30606b4a patch 8.2.4273: the EBCDIC support is outdated Bram Moolenaar <Bram@vim.org> parents: 27000 diff changeset	740 #define i_acute 0xed
fb4c30606b4a patch 8.2.4273: the EBCDIC support is outdated Bram Moolenaar <Bram@vim.org> parents: 27000 diff changeset	741 #define i_circumflex 0xee
fb4c30606b4a patch 8.2.4273: the EBCDIC support is outdated Bram Moolenaar <Bram@vim.org> parents: 27000 diff changeset	742 #define i_diaeresis 0xef
fb4c30606b4a patch 8.2.4273: the EBCDIC support is outdated Bram Moolenaar <Bram@vim.org> parents: 27000 diff changeset	743 #define n_virguilla 0xf1
fb4c30606b4a patch 8.2.4273: the EBCDIC support is outdated Bram Moolenaar <Bram@vim.org> parents: 27000 diff changeset	744 #define o_grave 0xf2
fb4c30606b4a patch 8.2.4273: the EBCDIC support is outdated Bram Moolenaar <Bram@vim.org> parents: 27000 diff changeset	745 #define o_acute 0xf3
fb4c30606b4a patch 8.2.4273: the EBCDIC support is outdated Bram Moolenaar <Bram@vim.org> parents: 27000 diff changeset	746 #define o_circumflex 0xf4
fb4c30606b4a patch 8.2.4273: the EBCDIC support is outdated Bram Moolenaar <Bram@vim.org> parents: 27000 diff changeset	747 #define o_virguilla 0xf5
fb4c30606b4a patch 8.2.4273: the EBCDIC support is outdated Bram Moolenaar <Bram@vim.org> parents: 27000 diff changeset	748 #define o_diaeresis 0xf6
fb4c30606b4a patch 8.2.4273: the EBCDIC support is outdated Bram Moolenaar <Bram@vim.org> parents: 27000 diff changeset	749 #define o_slash 0xf8
fb4c30606b4a patch 8.2.4273: the EBCDIC support is outdated Bram Moolenaar <Bram@vim.org> parents: 27000 diff changeset	750 #define u_grave 0xf9
fb4c30606b4a patch 8.2.4273: the EBCDIC support is outdated Bram Moolenaar <Bram@vim.org> parents: 27000 diff changeset	751 #define u_acute 0xfa
fb4c30606b4a patch 8.2.4273: the EBCDIC support is outdated Bram Moolenaar <Bram@vim.org> parents: 27000 diff changeset	752 #define u_circumflex 0xfb
fb4c30606b4a patch 8.2.4273: the EBCDIC support is outdated Bram Moolenaar <Bram@vim.org> parents: 27000 diff changeset	753 #define u_diaeresis 0xfc
fb4c30606b4a patch 8.2.4273: the EBCDIC support is outdated Bram Moolenaar <Bram@vim.org> parents: 27000 diff changeset	754 #define y_acute 0xfd
fb4c30606b4a patch 8.2.4273: the EBCDIC support is outdated Bram Moolenaar <Bram@vim.org> parents: 27000 diff changeset	755 #define y_diaeresis 0xff
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	756 switch (c)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	757 {
8841 f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	758 case 'A': case A_grave: case A_acute: case A_circumflex:
24351 585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	759 case A_virguilla: case A_diaeresis: case A_ring:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	760 case 0x100: case 0x102: case 0x104: case 0x1cd:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	761 case 0x1de: case 0x1e0: case 0x1fa: case 0x200:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	762 case 0x202: case 0x226: case 0x23a: case 0x1e00:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	763 case 0x1ea0: case 0x1ea2: case 0x1ea4: case 0x1ea6:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	764 case 0x1ea8: case 0x1eaa: case 0x1eac: case 0x1eae:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	765 case 0x1eb0: case 0x1eb2: case 0x1eb4: case 0x1eb6:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	766 EMIT2('A') EMIT2(A_grave) EMIT2(A_acute)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	767 EMIT2(A_circumflex) EMIT2(A_virguilla)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	768 EMIT2(A_diaeresis) EMIT2(A_ring)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	769 EMIT2(0x100) EMIT2(0x102) EMIT2(0x104)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	770 EMIT2(0x1cd) EMIT2(0x1de) EMIT2(0x1e0)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	771 EMIT2(0x1fa) EMIT2(0x200) EMIT2(0x202)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	772 EMIT2(0x226) EMIT2(0x23a) EMIT2(0x1e00)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	773 EMIT2(0x1ea0) EMIT2(0x1ea2) EMIT2(0x1ea4)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	774 EMIT2(0x1ea6) EMIT2(0x1ea8) EMIT2(0x1eaa)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	775 EMIT2(0x1eac) EMIT2(0x1eae) EMIT2(0x1eb0)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	776 EMIT2(0x1eb2) EMIT2(0x1eb6) EMIT2(0x1eb4)
5351 923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	777 return OK;
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	778
24351 585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	779 case 'B': case 0x181: case 0x243: case 0x1e02:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	780 case 0x1e04: case 0x1e06:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	781 EMIT2('B')
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	782 EMIT2(0x181) EMIT2(0x243) EMIT2(0x1e02)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	783 EMIT2(0x1e04) EMIT2(0x1e06)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	784 return OK;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	785
24351 585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	786 case 'C': case C_cedilla: case 0x106: case 0x108:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	787 case 0x10a: case 0x10c: case 0x187: case 0x23b:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	788 case 0x1e08: case 0xa792:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	789 EMIT2('C') EMIT2(C_cedilla)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	790 EMIT2(0x106) EMIT2(0x108) EMIT2(0x10a)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	791 EMIT2(0x10c) EMIT2(0x187) EMIT2(0x23b)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	792 EMIT2(0x1e08) EMIT2(0xa792)
5351 923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	793 return OK;
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	794
24351 585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	795 case 'D': case 0x10e: case 0x110: case 0x18a:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	796 case 0x1e0a: case 0x1e0c: case 0x1e0e: case 0x1e10:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	797 case 0x1e12:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	798 EMIT2('D') EMIT2(0x10e) EMIT2(0x110) EMIT2(0x18a)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	799 EMIT2(0x1e0a) EMIT2(0x1e0c) EMIT2(0x1e0e)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	800 EMIT2(0x1e10) EMIT2(0x1e12)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	801 return OK;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	802
8841 f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	803 case 'E': case E_grave: case E_acute: case E_circumflex:
24351 585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	804 case E_diaeresis: case 0x112: case 0x114: case 0x116:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	805 case 0x118: case 0x11a: case 0x204: case 0x206:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	806 case 0x228: case 0x246: case 0x1e14: case 0x1e16:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	807 case 0x1e18: case 0x1e1a: case 0x1e1c: case 0x1eb8:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	808 case 0x1eba: case 0x1ebc: case 0x1ebe: case 0x1ec0:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	809 case 0x1ec2: case 0x1ec4: case 0x1ec6:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	810 EMIT2('E') EMIT2(E_grave) EMIT2(E_acute)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	811 EMIT2(E_circumflex) EMIT2(E_diaeresis)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	812 EMIT2(0x112) EMIT2(0x114) EMIT2(0x116)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	813 EMIT2(0x118) EMIT2(0x11a) EMIT2(0x204)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	814 EMIT2(0x206) EMIT2(0x228) EMIT2(0x246)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	815 EMIT2(0x1e14) EMIT2(0x1e16) EMIT2(0x1e18)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	816 EMIT2(0x1e1a) EMIT2(0x1e1c) EMIT2(0x1eb8)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	817 EMIT2(0x1eba) EMIT2(0x1ebc) EMIT2(0x1ebe)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	818 EMIT2(0x1ec0) EMIT2(0x1ec2) EMIT2(0x1ec4)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	819 EMIT2(0x1ec6)
5351 923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	820 return OK;
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	821
24351 585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	822 case 'F': case 0x191: case 0x1e1e: case 0xa798:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	823 EMIT2('F') EMIT2(0x191) EMIT2(0x1e1e) EMIT2(0xa798)
5351 923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	824 return OK;
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	825
24351 585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	826 case 'G': case 0x11c: case 0x11e: case 0x120:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	827 case 0x122: case 0x193: case 0x1e4: case 0x1e6:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	828 case 0x1f4: case 0x1e20: case 0xa7a0:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	829 EMIT2('G') EMIT2(0x11c) EMIT2(0x11e) EMIT2(0x120)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	830 EMIT2(0x122) EMIT2(0x193) EMIT2(0x1e4)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	831 EMIT2(0x1e6) EMIT2(0x1f4) EMIT2(0x1e20)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	832 EMIT2(0xa7a0)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	833 return OK;
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	834
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	835 case 'H': case 0x124: case 0x126: case 0x21e:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	836 case 0x1e22: case 0x1e24: case 0x1e26: case 0x1e28:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	837 case 0x1e2a: case 0x2c67:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	838 EMIT2('H') EMIT2(0x124) EMIT2(0x126) EMIT2(0x21e)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	839 EMIT2(0x1e22) EMIT2(0x1e24) EMIT2(0x1e26)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	840 EMIT2(0x1e28) EMIT2(0x1e2a) EMIT2(0x2c67)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	841 return OK;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	842
8841 f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	843 case 'I': case I_grave: case I_acute: case I_circumflex:
24351 585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	844 case I_diaeresis: case 0x128: case 0x12a: case 0x12c:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	845 case 0x12e: case 0x130: case 0x197: case 0x1cf:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	846 case 0x208: case 0x20a: case 0x1e2c: case 0x1e2e:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	847 case 0x1ec8: case 0x1eca:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	848 EMIT2('I') EMIT2(I_grave) EMIT2(I_acute)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	849 EMIT2(I_circumflex) EMIT2(I_diaeresis)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	850 EMIT2(0x128) EMIT2(0x12a) EMIT2(0x12c)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	851 EMIT2(0x12e) EMIT2(0x130) EMIT2(0x197)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	852 EMIT2(0x1cf) EMIT2(0x208) EMIT2(0x20a)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	853 EMIT2(0x1e2c) EMIT2(0x1e2e) EMIT2(0x1ec8)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	854 EMIT2(0x1eca)
5351 923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	855 return OK;
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	856
24351 585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	857 case 'J': case 0x134: case 0x248:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	858 EMIT2('J') EMIT2(0x134) EMIT2(0x248)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	859 return OK;
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	860
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	861 case 'K': case 0x136: case 0x198: case 0x1e8: case 0x1e30:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	862 case 0x1e32: case 0x1e34: case 0x2c69: case 0xa740:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	863 EMIT2('K') EMIT2(0x136) EMIT2(0x198) EMIT2(0x1e8)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	864 EMIT2(0x1e30) EMIT2(0x1e32) EMIT2(0x1e34)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	865 EMIT2(0x2c69) EMIT2(0xa740)
5351 923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	866 return OK;
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	867
24351 585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	868 case 'L': case 0x139: case 0x13b: case 0x13d:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	869 case 0x13f: case 0x141: case 0x23d: case 0x1e36:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	870 case 0x1e38: case 0x1e3a: case 0x1e3c: case 0x2c60:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	871 EMIT2('L') EMIT2(0x139) EMIT2(0x13b)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	872 EMIT2(0x13d) EMIT2(0x13f) EMIT2(0x141)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	873 EMIT2(0x23d) EMIT2(0x1e36) EMIT2(0x1e38)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	874 EMIT2(0x1e3a) EMIT2(0x1e3c) EMIT2(0x2c60)
5351 923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	875 return OK;
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	876
24351 585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	877 case 'M': case 0x1e3e: case 0x1e40: case 0x1e42:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	878 EMIT2('M') EMIT2(0x1e3e) EMIT2(0x1e40)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	879 EMIT2(0x1e42)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	880 return OK;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	881
24351 585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	882 case 'N': case N_virguilla:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	883 case 0x143: case 0x145: case 0x147: case 0x1f8:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	884 case 0x1e44: case 0x1e46: case 0x1e48: case 0x1e4a:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	885 case 0xa7a4:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	886 EMIT2('N') EMIT2(N_virguilla)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	887 EMIT2(0x143) EMIT2(0x145) EMIT2(0x147)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	888 EMIT2(0x1f8) EMIT2(0x1e44) EMIT2(0x1e46)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	889 EMIT2(0x1e48) EMIT2(0x1e4a) EMIT2(0xa7a4)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	890 return OK;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	891
8841 f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	892 case 'O': case O_grave: case O_acute: case O_circumflex:
24351 585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	893 case O_virguilla: case O_diaeresis: case O_slash:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	894 case 0x14c: case 0x14e: case 0x150: case 0x19f:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	895 case 0x1a0: case 0x1d1: case 0x1ea: case 0x1ec:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	896 case 0x1fe: case 0x20c: case 0x20e: case 0x22a:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	897 case 0x22c: case 0x22e: case 0x230: case 0x1e4c:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	898 case 0x1e4e: case 0x1e50: case 0x1e52: case 0x1ecc:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	899 case 0x1ece: case 0x1ed0: case 0x1ed2: case 0x1ed4:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	900 case 0x1ed6: case 0x1ed8: case 0x1eda: case 0x1edc:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	901 case 0x1ede: case 0x1ee0: case 0x1ee2:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	902 EMIT2('O') EMIT2(O_grave) EMIT2(O_acute)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	903 EMIT2(O_circumflex) EMIT2(O_virguilla)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	904 EMIT2(O_diaeresis) EMIT2(O_slash)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	905 EMIT2(0x14c) EMIT2(0x14e) EMIT2(0x150)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	906 EMIT2(0x19f) EMIT2(0x1a0) EMIT2(0x1d1)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	907 EMIT2(0x1ea) EMIT2(0x1ec) EMIT2(0x1fe)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	908 EMIT2(0x20c) EMIT2(0x20e) EMIT2(0x22a)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	909 EMIT2(0x22c) EMIT2(0x22e) EMIT2(0x230)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	910 EMIT2(0x1e4c) EMIT2(0x1e4e) EMIT2(0x1e50)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	911 EMIT2(0x1e52) EMIT2(0x1ecc) EMIT2(0x1ece)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	912 EMIT2(0x1ed0) EMIT2(0x1ed2) EMIT2(0x1ed4)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	913 EMIT2(0x1ed6) EMIT2(0x1ed8) EMIT2(0x1eda)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	914 EMIT2(0x1edc) EMIT2(0x1ede) EMIT2(0x1ee0)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	915 EMIT2(0x1ee2)
5351 923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	916 return OK;
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	917
24351 585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	918 case 'P': case 0x1a4: case 0x1e54: case 0x1e56: case 0x2c63:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	919 EMIT2('P') EMIT2(0x1a4) EMIT2(0x1e54) EMIT2(0x1e56)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	920 EMIT2(0x2c63)
5351 923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	921 return OK;
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	922
24351 585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	923 case 'Q': case 0x24a:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	924 EMIT2('Q') EMIT2(0x24a)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	925 return OK;
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	926
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	927 case 'R': case 0x154: case 0x156: case 0x158: case 0x210:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	928 case 0x212: case 0x24c: case 0x1e58: case 0x1e5a:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	929 case 0x1e5c: case 0x1e5e: case 0x2c64: case 0xa7a6:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	930 EMIT2('R') EMIT2(0x154) EMIT2(0x156) EMIT2(0x158)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	931 EMIT2(0x210) EMIT2(0x212) EMIT2(0x24c) EMIT2(0x1e58)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	932 EMIT2(0x1e5a) EMIT2(0x1e5c) EMIT2(0x1e5e) EMIT2(0x2c64)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	933 EMIT2(0xa7a6)
5351 923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	934 return OK;
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	935
24351 585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	936 case 'S': case 0x15a: case 0x15c: case 0x15e: case 0x160:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	937 case 0x218: case 0x1e60: case 0x1e62: case 0x1e64:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	938 case 0x1e66: case 0x1e68: case 0x2c7e: case 0xa7a8:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	939 EMIT2('S') EMIT2(0x15a) EMIT2(0x15c) EMIT2(0x15e)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	940 EMIT2(0x160) EMIT2(0x218) EMIT2(0x1e60) EMIT2(0x1e62)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	941 EMIT2(0x1e64) EMIT2(0x1e66) EMIT2(0x1e68) EMIT2(0x2c7e)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	942 EMIT2(0xa7a8)
5351 923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	943 return OK;
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	944
24351 585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	945 case 'T': case 0x162: case 0x164: case 0x166: case 0x1ac:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	946 case 0x1ae: case 0x21a: case 0x23e: case 0x1e6a: case 0x1e6c:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	947 case 0x1e6e: case 0x1e70:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	948 EMIT2('T') EMIT2(0x162) EMIT2(0x164) EMIT2(0x166)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	949 EMIT2(0x1ac) EMIT2(0x1ae) EMIT2(0x23e) EMIT2(0x21a)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	950 EMIT2(0x1e6a) EMIT2(0x1e6c) EMIT2(0x1e6e) EMIT2(0x1e70)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	951 return OK;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	952
8841 f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	953 case 'U': case U_grave: case U_acute: case U_diaeresis:
24351 585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	954 case U_circumflex: case 0x168: case 0x16a: case 0x16c:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	955 case 0x16e: case 0x170: case 0x172: case 0x1af:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	956 case 0x1d3: case 0x1d5: case 0x1d7: case 0x1d9:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	957 case 0x1db: case 0x214: case 0x216: case 0x244:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	958 case 0x1e72: case 0x1e74: case 0x1e76: case 0x1e78:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	959 case 0x1e7a: case 0x1ee4: case 0x1ee6: case 0x1ee8:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	960 case 0x1eea: case 0x1eec: case 0x1eee: case 0x1ef0:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	961 EMIT2('U') EMIT2(U_grave) EMIT2(U_acute)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	962 EMIT2(U_diaeresis) EMIT2(U_circumflex)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	963 EMIT2(0x168) EMIT2(0x16a)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	964 EMIT2(0x16c) EMIT2(0x16e) EMIT2(0x170)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	965 EMIT2(0x172) EMIT2(0x1af) EMIT2(0x1d3)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	966 EMIT2(0x1d5) EMIT2(0x1d7) EMIT2(0x1d9)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	967 EMIT2(0x1db) EMIT2(0x214) EMIT2(0x216)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	968 EMIT2(0x244) EMIT2(0x1e72) EMIT2(0x1e74)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	969 EMIT2(0x1e76) EMIT2(0x1e78) EMIT2(0x1e7a)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	970 EMIT2(0x1ee4) EMIT2(0x1ee6) EMIT2(0x1ee8)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	971 EMIT2(0x1eea) EMIT2(0x1eec) EMIT2(0x1eee)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	972 EMIT2(0x1ef0)
5351 923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	973 return OK;
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	974
24351 585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	975 case 'V': case 0x1b2: case 0x1e7c: case 0x1e7e:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	976 EMIT2('V') EMIT2(0x1b2) EMIT2(0x1e7c) EMIT2(0x1e7e)
5351 923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	977 return OK;
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	978
24351 585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	979 case 'W': case 0x174: case 0x1e80: case 0x1e82: case 0x1e84:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	980 case 0x1e86: case 0x1e88:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	981 EMIT2('W') EMIT2(0x174) EMIT2(0x1e80) EMIT2(0x1e82)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	982 EMIT2(0x1e84) EMIT2(0x1e86) EMIT2(0x1e88)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	983 return OK;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	984
24351 585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	985 case 'X': case 0x1e8a: case 0x1e8c:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	986 EMIT2('X') EMIT2(0x1e8a) EMIT2(0x1e8c)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	987 return OK;
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	988
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	989 case 'Y': case Y_acute: case 0x176: case 0x178:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	990 case 0x1b3: case 0x232: case 0x24e: case 0x1e8e:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	991 case 0x1ef2: case 0x1ef4: case 0x1ef6: case 0x1ef8:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	992 EMIT2('Y') EMIT2(Y_acute)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	993 EMIT2(0x176) EMIT2(0x178) EMIT2(0x1b3)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	994 EMIT2(0x232) EMIT2(0x24e) EMIT2(0x1e8e)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	995 EMIT2(0x1ef2) EMIT2(0x1ef4) EMIT2(0x1ef6)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	996 EMIT2(0x1ef8)
5351 923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	997 return OK;
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	998
24351 585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	999 case 'Z': case 0x179: case 0x17b: case 0x17d:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1000 case 0x1b5: case 0x1e90: case 0x1e92: case 0x1e94:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1001 case 0x2c6b:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1002 EMIT2('Z') EMIT2(0x179) EMIT2(0x17b) EMIT2(0x17d)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1003 EMIT2(0x1b5) EMIT2(0x1e90) EMIT2(0x1e92)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1004 EMIT2(0x1e94) EMIT2(0x2c6b)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1005 return OK;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1006
24351 585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1007 case 'a': case a_grave: case a_acute: case a_circumflex:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1008 case a_virguilla: case a_diaeresis: case a_ring:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1009 case 0x101: case 0x103: case 0x105: case 0x1ce:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1010 case 0x1df: case 0x1e1: case 0x1fb: case 0x201:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1011 case 0x203: case 0x227: case 0x1d8f: case 0x1e01:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1012 case 0x1e9a: case 0x1ea1: case 0x1ea3: case 0x1ea5:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1013 case 0x1ea7: case 0x1ea9: case 0x1eab: case 0x1ead:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1014 case 0x1eaf: case 0x1eb1: case 0x1eb3: case 0x1eb5:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1015 case 0x1eb7: case 0x2c65:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1016 EMIT2('a') EMIT2(a_grave) EMIT2(a_acute)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1017 EMIT2(a_circumflex) EMIT2(a_virguilla)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1018 EMIT2(a_diaeresis) EMIT2(a_ring)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1019 EMIT2(0x101) EMIT2(0x103) EMIT2(0x105)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1020 EMIT2(0x1ce) EMIT2(0x1df) EMIT2(0x1e1)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1021 EMIT2(0x1fb) EMIT2(0x201) EMIT2(0x203)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1022 EMIT2(0x227) EMIT2(0x1d8f) EMIT2(0x1e01)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1023 EMIT2(0x1e9a) EMIT2(0x1ea1) EMIT2(0x1ea3)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1024 EMIT2(0x1ea5) EMIT2(0x1ea7) EMIT2(0x1ea9)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1025 EMIT2(0x1eab) EMIT2(0x1ead) EMIT2(0x1eaf)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1026 EMIT2(0x1eb1) EMIT2(0x1eb3) EMIT2(0x1eb5)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1027 EMIT2(0x1eb7) EMIT2(0x2c65)
5351 923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1028 return OK;
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1029
24351 585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1030 case 'b': case 0x180: case 0x253: case 0x1d6c: case 0x1d80:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1031 case 0x1e03: case 0x1e05: case 0x1e07:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1032 EMIT2('b') EMIT2(0x180) EMIT2(0x253) EMIT2(0x1d6c)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1033 EMIT2(0x1d80) EMIT2(0x1e03) EMIT2(0x1e05) EMIT2(0x1e07)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1034 return OK;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1035
24351 585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1036 case 'c': case c_cedilla: case 0x107: case 0x109: case 0x10b:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1037 case 0x10d: case 0x188: case 0x23c: case 0x1e09: case 0xa793:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1038 case 0xa794:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1039 EMIT2('c') EMIT2(c_cedilla)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1040 EMIT2(0x107) EMIT2(0x109) EMIT2(0x10b)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1041 EMIT2(0x10d) EMIT2(0x188) EMIT2(0x23c)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1042 EMIT2(0x1e09) EMIT2(0xa793) EMIT2(0xa794)
5351 923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1043 return OK;
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1044
24351 585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1045 case 'd': case 0x10f: case 0x111: case 0x257: case 0x1d6d:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1046 case 0x1d81: case 0x1d91: case 0x1e0b: case 0x1e0d: case 0x1e0f:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1047 case 0x1e11: case 0x1e13:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1048 EMIT2('d') EMIT2(0x10f) EMIT2(0x111)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1049 EMIT2(0x257) EMIT2(0x1d6d) EMIT2(0x1d81)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1050 EMIT2(0x1d91) EMIT2(0x1e0b) EMIT2(0x1e0d)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1051 EMIT2(0x1e0f) EMIT2(0x1e11) EMIT2(0x1e13)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1052 return OK;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1053
8841 f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	1054 case 'e': case e_grave: case e_acute: case e_circumflex:
24351 585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1055 case e_diaeresis: case 0x113: case 0x115: case 0x117:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1056 case 0x119: case 0x11b: case 0x205: case 0x207:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1057 case 0x229: case 0x247: case 0x1d92: case 0x1e15:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1058 case 0x1e17: case 0x1e19: case 0x1e1b: case 0x1e1d:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1059 case 0x1eb9: case 0x1ebb: case 0x1ebd: case 0x1ebf:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1060 case 0x1ec1: case 0x1ec3: case 0x1ec5: case 0x1ec7:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1061 EMIT2('e') EMIT2(e_grave) EMIT2(e_acute)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1062 EMIT2(e_circumflex) EMIT2(e_diaeresis)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1063 EMIT2(0x113) EMIT2(0x115)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1064 EMIT2(0x117) EMIT2(0x119) EMIT2(0x11b)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1065 EMIT2(0x205) EMIT2(0x207) EMIT2(0x229)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1066 EMIT2(0x247) EMIT2(0x1d92) EMIT2(0x1e15)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1067 EMIT2(0x1e17) EMIT2(0x1e19) EMIT2(0x1e1b)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1068 EMIT2(0x1e1d) EMIT2(0x1eb9) EMIT2(0x1ebb)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1069 EMIT2(0x1ebd) EMIT2(0x1ebf) EMIT2(0x1ec1)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1070 EMIT2(0x1ec3) EMIT2(0x1ec5) EMIT2(0x1ec7)
5351 923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1071 return OK;
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1072
24351 585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1073 case 'f': case 0x192: case 0x1d6e: case 0x1d82:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1074 case 0x1e1f: case 0xa799:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1075 EMIT2('f') EMIT2(0x192) EMIT2(0x1d6e) EMIT2(0x1d82)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1076 EMIT2(0x1e1f) EMIT2(0xa799)
5351 923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1077 return OK;
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1078
24351 585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1079 case 'g': case 0x11d: case 0x11f: case 0x121: case 0x123:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1080 case 0x1e5: case 0x1e7: case 0x1f5: case 0x260: case 0x1d83:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1081 case 0x1e21: case 0xa7a1:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1082 EMIT2('g') EMIT2(0x11d) EMIT2(0x11f) EMIT2(0x121)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1083 EMIT2(0x123) EMIT2(0x1e5) EMIT2(0x1e7)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1084 EMIT2(0x1f5) EMIT2(0x260) EMIT2(0x1d83)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1085 EMIT2(0x1e21) EMIT2(0xa7a1)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1086 return OK;
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1087
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1088 case 'h': case 0x125: case 0x127: case 0x21f: case 0x1e23:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1089 case 0x1e25: case 0x1e27: case 0x1e29: case 0x1e2b:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1090 case 0x1e96: case 0x2c68: case 0xa795:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1091 EMIT2('h') EMIT2(0x125) EMIT2(0x127) EMIT2(0x21f)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1092 EMIT2(0x1e23) EMIT2(0x1e25) EMIT2(0x1e27)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1093 EMIT2(0x1e29) EMIT2(0x1e2b) EMIT2(0x1e96)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1094 EMIT2(0x2c68) EMIT2(0xa795)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1095 return OK;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1096
8841 f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	1097 case 'i': case i_grave: case i_acute: case i_circumflex:
24351 585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1098 case i_diaeresis: case 0x129: case 0x12b: case 0x12d:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1099 case 0x12f: case 0x1d0: case 0x209: case 0x20b:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1100 case 0x268: case 0x1d96: case 0x1e2d: case 0x1e2f:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1101 case 0x1ec9: case 0x1ecb:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1102 EMIT2('i') EMIT2(i_grave) EMIT2(i_acute)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1103 EMIT2(i_circumflex) EMIT2(i_diaeresis)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1104 EMIT2(0x129) EMIT2(0x12b) EMIT2(0x12d)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1105 EMIT2(0x12f) EMIT2(0x1d0) EMIT2(0x209)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1106 EMIT2(0x20b) EMIT2(0x268) EMIT2(0x1d96)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1107 EMIT2(0x1e2d) EMIT2(0x1e2f) EMIT2(0x1ec9)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1108 EMIT2(0x1ecb) EMIT2(0x1ecb)
5351 923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1109 return OK;
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1110
24351 585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1111 case 'j': case 0x135: case 0x1f0: case 0x249:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1112 EMIT2('j') EMIT2(0x135) EMIT2(0x1f0) EMIT2(0x249)
5351 923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1113 return OK;
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1114
24351 585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1115 case 'k': case 0x137: case 0x199: case 0x1e9: case 0x1d84:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1116 case 0x1e31: case 0x1e33: case 0x1e35: case 0x2c6a: case 0xa741:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1117 EMIT2('k') EMIT2(0x137) EMIT2(0x199) EMIT2(0x1e9)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1118 EMIT2(0x1d84) EMIT2(0x1e31) EMIT2(0x1e33)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1119 EMIT2(0x1e35) EMIT2(0x2c6a) EMIT2(0xa741)
5351 923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1120 return OK;
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1121
24351 585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1122 case 'l': case 0x13a: case 0x13c: case 0x13e: case 0x140:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1123 case 0x142: case 0x19a: case 0x1e37: case 0x1e39: case 0x1e3b:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1124 case 0x1e3d: case 0x2c61:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1125 EMIT2('l') EMIT2(0x13a) EMIT2(0x13c)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1126 EMIT2(0x13e) EMIT2(0x140) EMIT2(0x142)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1127 EMIT2(0x19a) EMIT2(0x1e37) EMIT2(0x1e39)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1128 EMIT2(0x1e3b) EMIT2(0x1e3d) EMIT2(0x2c61)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1129 return OK;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1130
24351 585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1131 case 'm': case 0x1d6f: case 0x1e3f: case 0x1e41: case 0x1e43:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1132 EMIT2('m') EMIT2(0x1d6f) EMIT2(0x1e3f)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1133 EMIT2(0x1e41) EMIT2(0x1e43)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1134 return OK;
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1135
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1136 case 'n': case n_virguilla: case 0x144: case 0x146: case 0x148:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1137 case 0x149: case 0x1f9: case 0x1d70: case 0x1d87: case 0x1e45:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1138 case 0x1e47: case 0x1e49: case 0x1e4b: case 0xa7a5:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1139 EMIT2('n') EMIT2(n_virguilla)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1140 EMIT2(0x144) EMIT2(0x146) EMIT2(0x148)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1141 EMIT2(0x149) EMIT2(0x1f9) EMIT2(0x1d70)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1142 EMIT2(0x1d87) EMIT2(0x1e45) EMIT2(0x1e47)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1143 EMIT2(0x1e49) EMIT2(0x1e4b) EMIT2(0xa7a5)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1144 return OK;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1145
8841 f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	1146 case 'o': case o_grave: case o_acute: case o_circumflex:
24351 585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1147 case o_virguilla: case o_diaeresis: case o_slash:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1148 case 0x14d: case 0x14f: case 0x151: case 0x1a1:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1149 case 0x1d2: case 0x1eb: case 0x1ed: case 0x1ff:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1150 case 0x20d: case 0x20f: case 0x22b: case 0x22d:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1151 case 0x22f: case 0x231: case 0x275: case 0x1e4d:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1152 case 0x1e4f: case 0x1e51: case 0x1e53: case 0x1ecd:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1153 case 0x1ecf: case 0x1ed1: case 0x1ed3: case 0x1ed5:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1154 case 0x1ed7: case 0x1ed9: case 0x1edb: case 0x1edd:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1155 case 0x1edf: case 0x1ee1: case 0x1ee3:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1156 EMIT2('o') EMIT2(o_grave) EMIT2(o_acute)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1157 EMIT2(o_circumflex) EMIT2(o_virguilla)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1158 EMIT2(o_diaeresis) EMIT2(o_slash)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1159 EMIT2(0x14d) EMIT2(0x14f) EMIT2(0x151)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1160 EMIT2(0x1a1) EMIT2(0x1d2) EMIT2(0x1eb)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1161 EMIT2(0x1ed) EMIT2(0x1ff) EMIT2(0x20d)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1162 EMIT2(0x20f) EMIT2(0x22b) EMIT2(0x22d)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1163 EMIT2(0x22f) EMIT2(0x231) EMIT2(0x275)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1164 EMIT2(0x1e4d) EMIT2(0x1e4f) EMIT2(0x1e51)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1165 EMIT2(0x1e53) EMIT2(0x1ecd) EMIT2(0x1ecf)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1166 EMIT2(0x1ed1) EMIT2(0x1ed3) EMIT2(0x1ed5)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1167 EMIT2(0x1ed7) EMIT2(0x1ed9) EMIT2(0x1edb)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1168 EMIT2(0x1edd) EMIT2(0x1edf) EMIT2(0x1ee1)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1169 EMIT2(0x1ee3)
5351 923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1170 return OK;
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1171
24351 585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1172 case 'p': case 0x1a5: case 0x1d71: case 0x1d7d: case 0x1d88:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1173 case 0x1e55: case 0x1e57:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1174 EMIT2('p') EMIT2(0x1a5) EMIT2(0x1d71) EMIT2(0x1d7d)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1175 EMIT2(0x1d88) EMIT2(0x1e55) EMIT2(0x1e57)
5351 923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1176 return OK;
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1177
24351 585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1178 case 'q': case 0x24b: case 0x2a0:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1179 EMIT2('q') EMIT2(0x24b) EMIT2(0x2a0)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1180 return OK;
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1181
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1182 case 'r': case 0x155: case 0x157: case 0x159: case 0x211:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1183 case 0x213: case 0x24d: case 0x27d: case 0x1d72: case 0x1d73:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1184 case 0x1d89: case 0x1e59: case 0x1e5b: case 0x1e5d: case 0x1e5f:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1185 case 0xa7a7:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1186 EMIT2('r') EMIT2(0x155) EMIT2(0x157) EMIT2(0x159)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1187 EMIT2(0x211) EMIT2(0x213) EMIT2(0x24d) EMIT2(0x27d)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1188 EMIT2(0x1d72) EMIT2(0x1d73) EMIT2(0x1d89) EMIT2(0x1e59)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1189 EMIT2(0x1e5b) EMIT2(0x1e5d) EMIT2(0x1e5f) EMIT2(0xa7a7)
5351 923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1190 return OK;
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1191
24351 585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1192 case 's': case 0x15b: case 0x15d: case 0x15f: case 0x161:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1193 case 0x219: case 0x23f: case 0x1d74: case 0x1d8a: case 0x1e61:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1194 case 0x1e63: case 0x1e65: case 0x1e67: case 0x1e69: case 0xa7a9:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1195 EMIT2('s') EMIT2(0x15b) EMIT2(0x15d) EMIT2(0x15f)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1196 EMIT2(0x161) EMIT2(0x219) EMIT2(0x23f) EMIT2(0x1d74)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1197 EMIT2(0x1d8a) EMIT2(0x1e61) EMIT2(0x1e63) EMIT2(0x1e65)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1198 EMIT2(0x1e67) EMIT2(0x1e69) EMIT2(0xa7a9)
5351 923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1199 return OK;
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1200
24351 585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1201 case 't': case 0x163: case 0x165: case 0x167: case 0x1ab:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1202 case 0x1ad: case 0x21b: case 0x288: case 0x1d75: case 0x1e6b:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1203 case 0x1e6d: case 0x1e6f: case 0x1e71: case 0x1e97: case 0x2c66:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1204 EMIT2('t') EMIT2(0x163) EMIT2(0x165) EMIT2(0x167)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1205 EMIT2(0x1ab) EMIT2(0x1ad) EMIT2(0x21b) EMIT2(0x288)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1206 EMIT2(0x1d75) EMIT2(0x1e6b) EMIT2(0x1e6d) EMIT2(0x1e6f)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1207 EMIT2(0x1e71) EMIT2(0x1e97) EMIT2(0x2c66)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1208 return OK;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1209
8841 f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	1210 case 'u': case u_grave: case u_acute: case u_circumflex:
24351 585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1211 case u_diaeresis: case 0x169: case 0x16b: case 0x16d:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1212 case 0x16f: case 0x171: case 0x173: case 0x1b0: case 0x1d4:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1213 case 0x1d6: case 0x1d8: case 0x1da: case 0x1dc: case 0x215:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1214 case 0x217: case 0x289: case 0x1d7e: case 0x1d99: case 0x1e73:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1215 case 0x1e75: case 0x1e77: case 0x1e79: case 0x1e7b:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1216 case 0x1ee5: case 0x1ee7: case 0x1ee9: case 0x1eeb:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1217 case 0x1eed: case 0x1eef: case 0x1ef1:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1218 EMIT2('u') EMIT2(u_grave) EMIT2(u_acute)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1219 EMIT2(u_circumflex) EMIT2(u_diaeresis)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1220 EMIT2(0x169) EMIT2(0x16b)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1221 EMIT2(0x16d) EMIT2(0x16f) EMIT2(0x171)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1222 EMIT2(0x173) EMIT2(0x1d6) EMIT2(0x1d8)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1223 EMIT2(0x215) EMIT2(0x217) EMIT2(0x1b0)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1224 EMIT2(0x1d4) EMIT2(0x1da) EMIT2(0x1dc)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1225 EMIT2(0x289) EMIT2(0x1e73) EMIT2(0x1d7e)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1226 EMIT2(0x1d99) EMIT2(0x1e75) EMIT2(0x1e77)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1227 EMIT2(0x1e79) EMIT2(0x1e7b) EMIT2(0x1ee5)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1228 EMIT2(0x1ee7) EMIT2(0x1ee9) EMIT2(0x1eeb)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1229 EMIT2(0x1eed) EMIT2(0x1eef) EMIT2(0x1ef1)
5351 923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1230 return OK;
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1231
24351 585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1232 case 'v': case 0x28b: case 0x1d8c: case 0x1e7d: case 0x1e7f:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1233 EMIT2('v') EMIT2(0x28b) EMIT2(0x1d8c) EMIT2(0x1e7d)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1234 EMIT2(0x1e7f)
5351 923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1235 return OK;
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1236
24351 585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1237 case 'w': case 0x175: case 0x1e81: case 0x1e83: case 0x1e85:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1238 case 0x1e87: case 0x1e89: case 0x1e98:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1239 EMIT2('w') EMIT2(0x175) EMIT2(0x1e81) EMIT2(0x1e83)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1240 EMIT2(0x1e85) EMIT2(0x1e87) EMIT2(0x1e89) EMIT2(0x1e98)
5351 923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1241 return OK;
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1242
24351 585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1243 case 'x': case 0x1e8b: case 0x1e8d:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1244 EMIT2('x') EMIT2(0x1e8b) EMIT2(0x1e8d)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1245 return OK;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1246
24351 585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1247 case 'y': case y_acute: case y_diaeresis: case 0x177:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1248 case 0x1b4: case 0x233: case 0x24f: case 0x1e8f:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1249 case 0x1e99: case 0x1ef3: case 0x1ef5: case 0x1ef7:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1250 case 0x1ef9:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1251 EMIT2('y') EMIT2(y_acute) EMIT2(y_diaeresis)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1252 EMIT2(0x177) EMIT2(0x1b4) EMIT2(0x233) EMIT2(0x24f)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1253 EMIT2(0x1e8f) EMIT2(0x1e99) EMIT2(0x1ef3)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1254 EMIT2(0x1ef5) EMIT2(0x1ef7) EMIT2(0x1ef9)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1255 return OK;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1256
24351 585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1257 case 'z': case 0x17a: case 0x17c: case 0x17e: case 0x1b6:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1258 case 0x1d76: case 0x1d8e: case 0x1e91: case 0x1e93:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1259 case 0x1e95: case 0x2c6c:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1260 EMIT2('z') EMIT2(0x17a) EMIT2(0x17c) EMIT2(0x17e)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1261 EMIT2(0x1b6) EMIT2(0x1d76) EMIT2(0x1d8e) EMIT2(0x1e91)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	1262 EMIT2(0x1e93) EMIT2(0x1e95) EMIT2(0x2c6c)
5351 923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1263 return OK;
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1264
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1265 // default: character itself
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1266 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1267 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1268
5351 923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1269 EMIT2(c);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1270 return OK;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1271 #undef EMIT2
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1272 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1273
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1274 /*
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1275 * Code to parse regular expression.
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1276 *
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1277 * We try to reuse parsing functions in regexp.c to
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1278 * minimize surprise and keep the syntax consistent.
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1279 */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1280
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1281 /*
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1282 * Parse the lowest level.
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1283 *
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1284 * An atom can be one of a long list of items. Many atoms match one character
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1285 * in the text. It is often an ordinary character or a character class.
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1286 * Braces can be used to make a pattern into an atom. The "\z(\)" construct
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1287 * is only for syntax highlighting.
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1288 *
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1289 * atom ::= ordinary-atom
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1290 * or $ pattern $
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1291 * or \%( pattern \)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1292 * or \z( pattern \)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1293 */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1294 static int
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	1295 nfa_regatom(void)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1296 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1297 int c;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1298 int charclass;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1299 int equiclass;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1300 int collclass;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1301 int got_coll_char;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1302 char_u *p;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1303 char_u *endp;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1304 char_u *old_regparse = regparse;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1305 int extra = 0;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1306 int emit_range;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1307 int negated;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1308 int result;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1309 int startc = -1;
8021 b6b4f354df23 commit https://github.com/vim/vim/commit/7c29f387819b5817b003d2ba73e2b5cf3cb3d0dd Christian Brabandt <cb@256bit.org> parents: 7833 diff changeset	1310 int save_prev_at_start = prev_at_start;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1311
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1312 c = getchr();
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1313 switch (c)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1314 {
4543 08ac46980953 updated for version 7.3.1019 Bram Moolenaar <bram@vim.org> parents: 4541 diff changeset	1315 case NUL:
26962 85866e069c24 patch 8.2.4010: error messages are spread out Bram Moolenaar <Bram@vim.org> parents: 26958 diff changeset	1316 EMSG_RET_FAIL(_(e_nfa_regexp_end_encountered_prematurely));
4543 08ac46980953 updated for version 7.3.1019 Bram Moolenaar <bram@vim.org> parents: 4541 diff changeset	1317
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1318 case Magic('^'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1319 EMIT(NFA_BOL);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1320 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1321
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1322 case Magic('$'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1323 EMIT(NFA_EOL);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1324 #if defined(FEAT_SYN_HL) \|\| defined(PROTO)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1325 had_eol = TRUE;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1326 #endif
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1327 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1328
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1329 case Magic('<'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1330 EMIT(NFA_BOW);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1331 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1332
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1333 case Magic('>'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1334 EMIT(NFA_EOW);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1335 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1336
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1337 case Magic('_'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1338 c = no_Magic(getchr());
5511 dd7d1a86b311 updated for version 7.4.104 Bram Moolenaar <bram@vim.org> parents: 5502 diff changeset	1339 if (c == NUL)
26962 85866e069c24 patch 8.2.4010: error messages are spread out Bram Moolenaar <Bram@vim.org> parents: 26958 diff changeset	1340 EMSG_RET_FAIL(_(e_nfa_regexp_end_encountered_prematurely));
5511 dd7d1a86b311 updated for version 7.4.104 Bram Moolenaar <bram@vim.org> parents: 5502 diff changeset	1341
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1342 if (c == '^') // "\_^" is start-of-line
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1343 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1344 EMIT(NFA_BOL);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1345 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1346 }
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1347 if (c == '$') // "\_$" is end-of-line
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1348 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1349 EMIT(NFA_EOL);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1350 #if defined(FEAT_SYN_HL) \|\| defined(PROTO)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1351 had_eol = TRUE;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1352 #endif
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1353 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1354 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1355
5296 3e9107b86b68 updated for version 7.4.001 Bram Moolenaar <bram@vim.org> parents: 5255 diff changeset	1356 extra = NFA_ADD_NL;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1357
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1358 // "\_[" is collection plus newline
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1359 if (c == '[')
4517 9a2183bd8295 updated for version 7.3.1006 Bram Moolenaar <bram@vim.org> parents: 4515 diff changeset	1360 goto collection;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1361
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1362 // "\_x" is character class plus newline
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1363 // FALLTHROUGH
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1364
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1365 /*
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1366 * Character classes.
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1367 */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1368 case Magic('.'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1369 case Magic('i'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1370 case Magic('I'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1371 case Magic('k'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1372 case Magic('K'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1373 case Magic('f'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1374 case Magic('F'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1375 case Magic('p'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1376 case Magic('P'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1377 case Magic('s'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1378 case Magic('S'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1379 case Magic('d'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1380 case Magic('D'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1381 case Magic('x'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1382 case Magic('X'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1383 case Magic('o'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1384 case Magic('O'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1385 case Magic('w'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1386 case Magic('W'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1387 case Magic('h'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1388 case Magic('H'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1389 case Magic('a'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1390 case Magic('A'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1391 case Magic('l'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1392 case Magic('L'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1393 case Magic('u'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1394 case Magic('U'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1395 p = vim_strchr(classchars, no_Magic(c));
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1396 if (p == NULL)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1397 {
5511 dd7d1a86b311 updated for version 7.4.104 Bram Moolenaar <bram@vim.org> parents: 5502 diff changeset	1398 if (extra == NFA_ADD_NL)
dd7d1a86b311 updated for version 7.4.104 Bram Moolenaar <bram@vim.org> parents: 5502 diff changeset	1399 {
26962 85866e069c24 patch 8.2.4010: error messages are spread out Bram Moolenaar <Bram@vim.org> parents: 26958 diff changeset	1400 semsg(_(e_nfa_regexp_invalid_character_class_nr), c);
5511 dd7d1a86b311 updated for version 7.4.104 Bram Moolenaar <bram@vim.org> parents: 5502 diff changeset	1401 rc_did_emsg = TRUE;
dd7d1a86b311 updated for version 7.4.104 Bram Moolenaar <bram@vim.org> parents: 5502 diff changeset	1402 return FAIL;
dd7d1a86b311 updated for version 7.4.104 Bram Moolenaar <bram@vim.org> parents: 5502 diff changeset	1403 }
15490 98c35d312987 patch 8.1.0753: printf format not checked for semsg() Bram Moolenaar <Bram@vim.org> parents: 15470 diff changeset	1404 siemsg("INTERNAL: Unknown character class char: %d", c);
4571 b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	1405 return FAIL;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1406 }
15603 639b8318472c patch 8.1.0809: too many #ifdefs Bram Moolenaar <Bram@vim.org> parents: 15490 diff changeset	1407
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1408 // When '.' is followed by a composing char ignore the dot, so that
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1409 // the composing char is matched here.
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1410 if (enc_utf8 && c == Magic('.') && utf_iscomposing(peekchr()))
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1411 {
4535 45f97c349537 updated for version 7.3.1015 Bram Moolenaar <bram@vim.org> parents: 4533 diff changeset	1412 old_regparse = regparse;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1413 c = getchr();
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1414 goto nfa_do_multibyte;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1415 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1416 EMIT(nfa_classcodes[p - classchars]);
5296 3e9107b86b68 updated for version 7.4.001 Bram Moolenaar <bram@vim.org> parents: 5255 diff changeset	1417 if (extra == NFA_ADD_NL)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1418 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1419 EMIT(NFA_NEWL);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1420 EMIT(NFA_OR);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1421 regflags \|= RF_HASNL;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1422 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1423 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1424
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1425 case Magic('n'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1426 if (reg_string)
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1427 // In a string "\n" matches a newline character.
4781 c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	1428 EMIT(NL);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1429 else
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1430 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1431 // In buffer text "\n" matches the end of a line.
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1432 EMIT(NFA_NEWL);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1433 regflags \|= RF_HASNL;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1434 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1435 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1436
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1437 case Magic('('):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1438 if (nfa_reg(REG_PAREN) == FAIL)
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1439 return FAIL; // cascaded error
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1440 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1441
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1442 case Magic('\|'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1443 case Magic('&'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1444 case Magic(')'):
26962 85866e069c24 patch 8.2.4010: error messages are spread out Bram Moolenaar <Bram@vim.org> parents: 26958 diff changeset	1445 semsg(_(e_nfa_regexp_misplaced_chr), no_Magic(c));
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1446 return FAIL;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1447
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1448 case Magic('='):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1449 case Magic('?'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1450 case Magic('+'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1451 case Magic('@'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1452 case Magic('*'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1453 case Magic('{'):
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1454 // these should follow an atom, not form an atom
26962 85866e069c24 patch 8.2.4010: error messages are spread out Bram Moolenaar <Bram@vim.org> parents: 26958 diff changeset	1455 semsg(_(e_nfa_regexp_misplaced_chr), no_Magic(c));
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1456 return FAIL;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1457
4714 fc4d7f02ea3a updated for version 7.3.1104 Bram Moolenaar <bram@vim.org> parents: 4712 diff changeset	1458 case Magic('~'):
fc4d7f02ea3a updated for version 7.3.1104 Bram Moolenaar <bram@vim.org> parents: 4712 diff changeset	1459 {
fc4d7f02ea3a updated for version 7.3.1104 Bram Moolenaar <bram@vim.org> parents: 4712 diff changeset	1460 char_u *lp;
fc4d7f02ea3a updated for version 7.3.1104 Bram Moolenaar <bram@vim.org> parents: 4712 diff changeset	1461
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1462 // Previous substitute pattern.
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1463 // Generated as "\%(pattern\)".
4714 fc4d7f02ea3a updated for version 7.3.1104 Bram Moolenaar <bram@vim.org> parents: 4712 diff changeset	1464 if (reg_prev_sub == NULL)
fc4d7f02ea3a updated for version 7.3.1104 Bram Moolenaar <bram@vim.org> parents: 4712 diff changeset	1465 {
25306 078edc1821bf patch 8.2.3190: error messages are spread out Bram Moolenaar <Bram@vim.org> parents: 25178 diff changeset	1466 emsg(_(e_no_previous_substitute_regular_expression));
4714 fc4d7f02ea3a updated for version 7.3.1104 Bram Moolenaar <bram@vim.org> parents: 4712 diff changeset	1467 return FAIL;
fc4d7f02ea3a updated for version 7.3.1104 Bram Moolenaar <bram@vim.org> parents: 4712 diff changeset	1468 }
11127 506f5d8b7d8b patch 8.0.0451: some macros are in lower case Christian Brabandt <cb@256bit.org> parents: 10551 diff changeset	1469 for (lp = reg_prev_sub; *lp != NUL; MB_CPTR_ADV(lp))
4714 fc4d7f02ea3a updated for version 7.3.1104 Bram Moolenaar <bram@vim.org> parents: 4712 diff changeset	1470 {
fc4d7f02ea3a updated for version 7.3.1104 Bram Moolenaar <bram@vim.org> parents: 4712 diff changeset	1471 EMIT(PTR2CHAR(lp));
fc4d7f02ea3a updated for version 7.3.1104 Bram Moolenaar <bram@vim.org> parents: 4712 diff changeset	1472 if (lp != reg_prev_sub)
fc4d7f02ea3a updated for version 7.3.1104 Bram Moolenaar <bram@vim.org> parents: 4712 diff changeset	1473 EMIT(NFA_CONCAT);
fc4d7f02ea3a updated for version 7.3.1104 Bram Moolenaar <bram@vim.org> parents: 4712 diff changeset	1474 }
fc4d7f02ea3a updated for version 7.3.1104 Bram Moolenaar <bram@vim.org> parents: 4712 diff changeset	1475 EMIT(NFA_NOPEN);
fc4d7f02ea3a updated for version 7.3.1104 Bram Moolenaar <bram@vim.org> parents: 4712 diff changeset	1476 break;
fc4d7f02ea3a updated for version 7.3.1104 Bram Moolenaar <bram@vim.org> parents: 4712 diff changeset	1477 }
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1478
4647 857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	1479 case Magic('1'):
857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	1480 case Magic('2'):
857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	1481 case Magic('3'):
857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	1482 case Magic('4'):
857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	1483 case Magic('5'):
857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	1484 case Magic('6'):
857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	1485 case Magic('7'):
857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	1486 case Magic('8'):
857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	1487 case Magic('9'):
11525 14b6b79d685b patch 8.0.0645: no error for illegal back reference in NFA engine Christian Brabandt <cb@256bit.org> parents: 11521 diff changeset	1488 {
14b6b79d685b patch 8.0.0645: no error for illegal back reference in NFA engine Christian Brabandt <cb@256bit.org> parents: 11521 diff changeset	1489 int refnum = no_Magic(c) - '1';
14b6b79d685b patch 8.0.0645: no error for illegal back reference in NFA engine Christian Brabandt <cb@256bit.org> parents: 11521 diff changeset	1490
14b6b79d685b patch 8.0.0645: no error for illegal back reference in NFA engine Christian Brabandt <cb@256bit.org> parents: 11521 diff changeset	1491 if (!seen_endbrace(refnum + 1))
14b6b79d685b patch 8.0.0645: no error for illegal back reference in NFA engine Christian Brabandt <cb@256bit.org> parents: 11521 diff changeset	1492 return FAIL;
14b6b79d685b patch 8.0.0645: no error for illegal back reference in NFA engine Christian Brabandt <cb@256bit.org> parents: 11521 diff changeset	1493 EMIT(NFA_BACKREF1 + refnum);
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	1494 rex.nfa_has_backref = TRUE;
11525 14b6b79d685b patch 8.0.0645: no error for illegal back reference in NFA engine Christian Brabandt <cb@256bit.org> parents: 11521 diff changeset	1495 }
4647 857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	1496 break;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1497
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1498 case Magic('z'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1499 c = no_Magic(getchr());
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1500 switch (c)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1501 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1502 case 's':
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1503 EMIT(NFA_ZSTART);
6170 3ee39fe2df7d updated for version 7.4.421 Bram Moolenaar <bram@vim.org> parents: 5901 diff changeset	1504 if (re_mult_next("\\zs") == FAIL)
3ee39fe2df7d updated for version 7.4.421 Bram Moolenaar <bram@vim.org> parents: 5901 diff changeset	1505 return FAIL;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1506 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1507 case 'e':
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1508 EMIT(NFA_ZEND);
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	1509 rex.nfa_has_zend = TRUE;
6170 3ee39fe2df7d updated for version 7.4.421 Bram Moolenaar <bram@vim.org> parents: 5901 diff changeset	1510 if (re_mult_next("\\ze") == FAIL)
3ee39fe2df7d updated for version 7.4.421 Bram Moolenaar <bram@vim.org> parents: 5901 diff changeset	1511 return FAIL;
4569 f262fb02889d updated for version 7.3.1032 Bram Moolenaar <bram@vim.org> parents: 4567 diff changeset	1512 break;
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	1513 #ifdef FEAT_SYN_HL
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1514 case '1':
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1515 case '2':
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1516 case '3':
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1517 case '4':
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1518 case '5':
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1519 case '6':
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1520 case '7':
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1521 case '8':
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1522 case '9':
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1523 // \z1...\z9
14161 7cac4646c552 patch 8.1.0098: segfault when pattern with z() is very slow Christian Brabandt <cb@256bit.org> parents: 14159 diff changeset	1524 if ((reg_do_extmatch & REX_USE) == 0)
26436 ef0c07cbf53f patch 8.2.3749: error messages are everywhere Bram Moolenaar <Bram@vim.org> parents: 26161 diff changeset	1525 EMSG_RET_FAIL(_(e_z1_z9_not_allowed_here));
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	1526 EMIT(NFA_ZREF1 + (no_Magic(c) - '1'));
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1527 // No need to set rex.nfa_has_backref, the sub-matches don't
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1528 // change when \z1 .. \z9 matches or not.
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	1529 re_has_z = REX_USE;
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	1530 break;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1531 case '(':
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1532 // \z(
14161 7cac4646c552 patch 8.1.0098: segfault when pattern with z() is very slow Christian Brabandt <cb@256bit.org> parents: 14159 diff changeset	1533 if ((reg_do_extmatch & REX_SET) == 0)
26436 ef0c07cbf53f patch 8.2.3749: error messages are everywhere Bram Moolenaar <Bram@vim.org> parents: 26161 diff changeset	1534 EMSG_RET_FAIL(_(e_z_not_allowed_here));
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	1535 if (nfa_reg(REG_ZPAREN) == FAIL)
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1536 return FAIL; // cascaded error
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	1537 re_has_z = REX_SET;
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	1538 break;
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	1539 #endif
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1540 default:
26966 ac75c145f0a9 patch 8.2.4012: error messages are spread out Bram Moolenaar <Bram@vim.org> parents: 26962 diff changeset	1541 semsg(_(e_nfa_regexp_unknown_operator_z_chr), no_Magic(c));
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1542 return FAIL;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1543 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1544 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1545
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1546 case Magic('%'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1547 c = no_Magic(getchr());
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1548 switch (c)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1549 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1550 // () without a back reference
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1551 case '(':
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1552 if (nfa_reg(REG_NPAREN) == FAIL)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1553 return FAIL;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1554 EMIT(NFA_NOPEN);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1555 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1556
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1557 case 'd': // %d123 decimal
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1558 case 'o': // %o123 octal
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1559 case 'x': // %xab hex 2
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1560 case 'u': // %uabcd hex 4
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1561 case 'U': // %U1234abcd hex 8
4543 08ac46980953 updated for version 7.3.1019 Bram Moolenaar <bram@vim.org> parents: 4541 diff changeset	1562 {
12752 09c856605191 patch 8.0.1254: undefined left shift in gethexchrs() Christian Brabandt <cb@256bit.org> parents: 12674 diff changeset	1563 long nr;
4543 08ac46980953 updated for version 7.3.1019 Bram Moolenaar <bram@vim.org> parents: 4541 diff changeset	1564
08ac46980953 updated for version 7.3.1019 Bram Moolenaar <bram@vim.org> parents: 4541 diff changeset	1565 switch (c)
08ac46980953 updated for version 7.3.1019 Bram Moolenaar <bram@vim.org> parents: 4541 diff changeset	1566 {
4549 849180347ac3 updated for version 7.3.1022 Bram Moolenaar <bram@vim.org> parents: 4547 diff changeset	1567 case 'd': nr = getdecchrs(); break;
849180347ac3 updated for version 7.3.1022 Bram Moolenaar <bram@vim.org> parents: 4547 diff changeset	1568 case 'o': nr = getoctchrs(); break;
849180347ac3 updated for version 7.3.1022 Bram Moolenaar <bram@vim.org> parents: 4547 diff changeset	1569 case 'x': nr = gethexchrs(2); break;
849180347ac3 updated for version 7.3.1022 Bram Moolenaar <bram@vim.org> parents: 4547 diff changeset	1570 case 'u': nr = gethexchrs(4); break;
849180347ac3 updated for version 7.3.1022 Bram Moolenaar <bram@vim.org> parents: 4547 diff changeset	1571 case 'U': nr = gethexchrs(8); break;
849180347ac3 updated for version 7.3.1022 Bram Moolenaar <bram@vim.org> parents: 4547 diff changeset	1572 default: nr = -1; break;
4543 08ac46980953 updated for version 7.3.1019 Bram Moolenaar <bram@vim.org> parents: 4541 diff changeset	1573 }
08ac46980953 updated for version 7.3.1019 Bram Moolenaar <bram@vim.org> parents: 4541 diff changeset	1574
15924 98d315176d48 patch 8.1.0968: crash when using search pattern %Ufffffc23 Bram Moolenaar <Bram@vim.org> parents: 15904 diff changeset	1575 if (nr < 0 \|\| nr > INT_MAX)
26952 b34ddbca305c patch 8.2.4005: error messages are spread out Bram Moolenaar <Bram@vim.org> parents: 26883 diff changeset	1576 EMSG2_RET_FAIL(_(e_invalid_character_after_str_2),
b34ddbca305c patch 8.2.4005: error messages are spread out Bram Moolenaar <Bram@vim.org> parents: 26883 diff changeset	1577 reg_magic == MAGIC_ALL);
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1578 // A NUL is stored in the text as NL
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1579 // TODO: what if a composing character follows?
5360 71e92a1cb37d updated for version 7.4.032 Bram Moolenaar <bram@vim.org> parents: 5351 diff changeset	1580 EMIT(nr == 0 ? 0x0a : nr);
4543 08ac46980953 updated for version 7.3.1019 Bram Moolenaar <bram@vim.org> parents: 4541 diff changeset	1581 }
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1582 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1583
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1584 // Catch \%^ and \%$ regardless of where they appear in the
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1585 // pattern -- regardless of whether or not it makes sense.
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1586 case '^':
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1587 EMIT(NFA_BOF);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1588 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1589
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1590 case '$':
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1591 EMIT(NFA_EOF);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1592 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1593
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1594 case '#':
28911 e25196adb7c1 patch 8.2.4978: no error if engine selection atom is not at the start Bram Moolenaar <Bram@vim.org> parents: 28335 diff changeset	1595 if (regparse[0] == '=' && regparse[1] >= 48
e25196adb7c1 patch 8.2.4978: no error if engine selection atom is not at the start Bram Moolenaar <Bram@vim.org> parents: 28335 diff changeset	1596 && regparse[1] <= 50)
e25196adb7c1 patch 8.2.4978: no error if engine selection atom is not at the start Bram Moolenaar <Bram@vim.org> parents: 28335 diff changeset	1597 {
e25196adb7c1 patch 8.2.4978: no error if engine selection atom is not at the start Bram Moolenaar <Bram@vim.org> parents: 28335 diff changeset	1598 // misplaced \%#=1
e25196adb7c1 patch 8.2.4978: no error if engine selection atom is not at the start Bram Moolenaar <Bram@vim.org> parents: 28335 diff changeset	1599 semsg(_(e_atom_engine_must_be_at_start_of_pattern),
e25196adb7c1 patch 8.2.4978: no error if engine selection atom is not at the start Bram Moolenaar <Bram@vim.org> parents: 28335 diff changeset	1600 regparse[1]);
e25196adb7c1 patch 8.2.4978: no error if engine selection atom is not at the start Bram Moolenaar <Bram@vim.org> parents: 28335 diff changeset	1601 return FAIL;
e25196adb7c1 patch 8.2.4978: no error if engine selection atom is not at the start Bram Moolenaar <Bram@vim.org> parents: 28335 diff changeset	1602 }
4583 321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	1603 EMIT(NFA_CURSOR);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1604 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1605
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1606 case 'V':
4730 749e2b2755d5 updated for version 7.3.1112 Bram Moolenaar <bram@vim.org> parents: 4728 diff changeset	1607 EMIT(NFA_VISUAL);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1608 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1609
5901 10fc95f48546 updated for version 7.4.293 Bram Moolenaar <bram@vim.org> parents: 5895 diff changeset	1610 case 'C':
10fc95f48546 updated for version 7.4.293 Bram Moolenaar <bram@vim.org> parents: 5895 diff changeset	1611 EMIT(NFA_ANY_COMPOSING);
10fc95f48546 updated for version 7.4.293 Bram Moolenaar <bram@vim.org> parents: 5895 diff changeset	1612 break;
10fc95f48546 updated for version 7.4.293 Bram Moolenaar <bram@vim.org> parents: 5895 diff changeset	1613
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1614 case '[':
4740 97560c16ca99 updated for version 7.3.1117 Bram Moolenaar <bram@vim.org> parents: 4738 diff changeset	1615 {
97560c16ca99 updated for version 7.3.1117 Bram Moolenaar <bram@vim.org> parents: 4738 diff changeset	1616 int n;
97560c16ca99 updated for version 7.3.1117 Bram Moolenaar <bram@vim.org> parents: 4738 diff changeset	1617
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1618 // \%[abc]
4944 613651492c19 updated for version 7.3.1217 Bram Moolenaar <bram@vim.org> parents: 4938 diff changeset	1619 for (n = 0; (c = peekchr()) != ']'; ++n)
4740 97560c16ca99 updated for version 7.3.1117 Bram Moolenaar <bram@vim.org> parents: 4738 diff changeset	1620 {
97560c16ca99 updated for version 7.3.1117 Bram Moolenaar <bram@vim.org> parents: 4738 diff changeset	1621 if (c == NUL)
26436 ef0c07cbf53f patch 8.2.3749: error messages are everywhere Bram Moolenaar <Bram@vim.org> parents: 26161 diff changeset	1622 EMSG2_RET_FAIL(_(e_missing_sb_after_str),
4740 97560c16ca99 updated for version 7.3.1117 Bram Moolenaar <bram@vim.org> parents: 4738 diff changeset	1623 reg_magic == MAGIC_ALL);
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1624 // recursive call!
4944 613651492c19 updated for version 7.3.1217 Bram Moolenaar <bram@vim.org> parents: 4938 diff changeset	1625 if (nfa_regatom() == FAIL)
613651492c19 updated for version 7.3.1217 Bram Moolenaar <bram@vim.org> parents: 4938 diff changeset	1626 return FAIL;
4740 97560c16ca99 updated for version 7.3.1117 Bram Moolenaar <bram@vim.org> parents: 4738 diff changeset	1627 }
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1628 getchr(); // get the ]
4760 532a9855bd30 updated for version 7.3.1127 Bram Moolenaar <bram@vim.org> parents: 4758 diff changeset	1629 if (n == 0)
26436 ef0c07cbf53f patch 8.2.3749: error messages are everywhere Bram Moolenaar <Bram@vim.org> parents: 26161 diff changeset	1630 EMSG2_RET_FAIL(_(e_empty_str_brackets),
4760 532a9855bd30 updated for version 7.3.1127 Bram Moolenaar <bram@vim.org> parents: 4758 diff changeset	1631 reg_magic == MAGIC_ALL);
4740 97560c16ca99 updated for version 7.3.1117 Bram Moolenaar <bram@vim.org> parents: 4738 diff changeset	1632 EMIT(NFA_OPT_CHARS);
97560c16ca99 updated for version 7.3.1117 Bram Moolenaar <bram@vim.org> parents: 4738 diff changeset	1633 EMIT(n);
5255 3c6e2b89875f updated for version 7.4b.004 Bram Moolenaar <bram@vim.org> parents: 5253 diff changeset	1634
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1635 // Emit as "\%(\%[abc]\)" to be able to handle
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1636 // "\%[abc]*" which would cause the empty string to be
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1637 // matched an unlimited number of times. NFA_NOPEN is
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1638 // added only once at a position, while NFA_SPLIT is
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1639 // added multiple times. This is more efficient than
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1640 // not allowing NFA_SPLIT multiple times, it is used
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1641 // a lot.
5255 3c6e2b89875f updated for version 7.4b.004 Bram Moolenaar <bram@vim.org> parents: 5253 diff changeset	1642 EMIT(NFA_NOPEN);
4740 97560c16ca99 updated for version 7.3.1117 Bram Moolenaar <bram@vim.org> parents: 4738 diff changeset	1643 break;
97560c16ca99 updated for version 7.3.1117 Bram Moolenaar <bram@vim.org> parents: 4738 diff changeset	1644 }
4571 b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	1645
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1646 default:
4583 321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	1647 {
20677 ab0dc036f586 patch 8.2.0892: ubsan warns for undefined behavior Bram Moolenaar <Bram@vim.org> parents: 20007 diff changeset	1648 long_u n = 0;
4583 321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	1649 int cmp = c;
25147 10b269321459 patch 8.2.3110: a pattern that matches the cursor position is complicated Bram Moolenaar <Bram@vim.org> parents: 24693 diff changeset	1650 int cur = FALSE;
28335 786707ef91de patch 8.2.4693: new regexp does not accept pattern "%>0v" Bram Moolenaar <Bram@vim.org> parents: 28325 diff changeset	1651 int got_digit = FALSE;
4583 321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	1652
321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	1653 if (c == '<' \|\| c == '>')
321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	1654 c = getchr();
25147 10b269321459 patch 8.2.3110: a pattern that matches the cursor position is complicated Bram Moolenaar <Bram@vim.org> parents: 24693 diff changeset	1655 if (no_Magic(c) == '.')
10b269321459 patch 8.2.3110: a pattern that matches the cursor position is complicated Bram Moolenaar <Bram@vim.org> parents: 24693 diff changeset	1656 {
10b269321459 patch 8.2.3110: a pattern that matches the cursor position is complicated Bram Moolenaar <Bram@vim.org> parents: 24693 diff changeset	1657 cur = TRUE;
10b269321459 patch 8.2.3110: a pattern that matches the cursor position is complicated Bram Moolenaar <Bram@vim.org> parents: 24693 diff changeset	1658 c = getchr();
10b269321459 patch 8.2.3110: a pattern that matches the cursor position is complicated Bram Moolenaar <Bram@vim.org> parents: 24693 diff changeset	1659 }
4583 321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	1660 while (VIM_ISDIGIT(c))
321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	1661 {
25147 10b269321459 patch 8.2.3110: a pattern that matches the cursor position is complicated Bram Moolenaar <Bram@vim.org> parents: 24693 diff changeset	1662 long_u tmp;
10b269321459 patch 8.2.3110: a pattern that matches the cursor position is complicated Bram Moolenaar <Bram@vim.org> parents: 24693 diff changeset	1663
10b269321459 patch 8.2.3110: a pattern that matches the cursor position is complicated Bram Moolenaar <Bram@vim.org> parents: 24693 diff changeset	1664 if (cur)
28135 3ccd55c472b8 patch 8.2.4592: search continues after giving E1204 Bram Moolenaar <Bram@vim.org> parents: 28043 diff changeset	1665 {
28325 a3a760ee765f patch 8.2.4688: new regexp engine does not give an error for "%v" Bram Moolenaar <Bram@vim.org> parents: 28247 diff changeset	1666 semsg(_(e_regexp_number_after_dot_pos_search_chr),
28135 3ccd55c472b8 patch 8.2.4592: search continues after giving E1204 Bram Moolenaar <Bram@vim.org> parents: 28043 diff changeset	1667 no_Magic(c));
3ccd55c472b8 patch 8.2.4592: search continues after giving E1204 Bram Moolenaar <Bram@vim.org> parents: 28043 diff changeset	1668 return FAIL;
3ccd55c472b8 patch 8.2.4592: search continues after giving E1204 Bram Moolenaar <Bram@vim.org> parents: 28043 diff changeset	1669 }
25147 10b269321459 patch 8.2.3110: a pattern that matches the cursor position is complicated Bram Moolenaar <Bram@vim.org> parents: 24693 diff changeset	1670 tmp = n * 10 + (c - '0');
20677 ab0dc036f586 patch 8.2.0892: ubsan warns for undefined behavior Bram Moolenaar <Bram@vim.org> parents: 20007 diff changeset	1671
ab0dc036f586 patch 8.2.0892: ubsan warns for undefined behavior Bram Moolenaar <Bram@vim.org> parents: 20007 diff changeset	1672 if (tmp < n)
ab0dc036f586 patch 8.2.0892: ubsan warns for undefined behavior Bram Moolenaar <Bram@vim.org> parents: 20007 diff changeset	1673 {
ab0dc036f586 patch 8.2.0892: ubsan warns for undefined behavior Bram Moolenaar <Bram@vim.org> parents: 20007 diff changeset	1674 // overflow.
26962 85866e069c24 patch 8.2.4010: error messages are spread out Bram Moolenaar <Bram@vim.org> parents: 26958 diff changeset	1675 emsg(_(e_percent_value_too_large));
20677 ab0dc036f586 patch 8.2.0892: ubsan warns for undefined behavior Bram Moolenaar <Bram@vim.org> parents: 20007 diff changeset	1676 return FAIL;
ab0dc036f586 patch 8.2.0892: ubsan warns for undefined behavior Bram Moolenaar <Bram@vim.org> parents: 20007 diff changeset	1677 }
ab0dc036f586 patch 8.2.0892: ubsan warns for undefined behavior Bram Moolenaar <Bram@vim.org> parents: 20007 diff changeset	1678 n = tmp;
4583 321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	1679 c = getchr();
28335 786707ef91de patch 8.2.4693: new regexp does not accept pattern "%>0v" Bram Moolenaar <Bram@vim.org> parents: 28325 diff changeset	1680 got_digit = TRUE;
4583 321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	1681 }
321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	1682 if (c == 'l' \|\| c == 'c' \|\| c == 'v')
321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	1683 {
20677 ab0dc036f586 patch 8.2.0892: ubsan warns for undefined behavior Bram Moolenaar <Bram@vim.org> parents: 20007 diff changeset	1684 long_u limit = INT_MAX;
15802 f043c8931585 patch 8.1.0908: can't handle large value for %{nr}v in regexp Bram Moolenaar <Bram@vim.org> parents: 15800 diff changeset	1685
28335 786707ef91de patch 8.2.4693: new regexp does not accept pattern "%>0v" Bram Moolenaar <Bram@vim.org> parents: 28325 diff changeset	1686 if (!cur && !got_digit)
28325 a3a760ee765f patch 8.2.4688: new regexp engine does not give an error for "%v" Bram Moolenaar <Bram@vim.org> parents: 28247 diff changeset	1687 {
a3a760ee765f patch 8.2.4688: new regexp engine does not give an error for "%v" Bram Moolenaar <Bram@vim.org> parents: 28247 diff changeset	1688 semsg(_(e_nfa_regexp_missing_value_in_chr),
a3a760ee765f patch 8.2.4688: new regexp engine does not give an error for "%v" Bram Moolenaar <Bram@vim.org> parents: 28247 diff changeset	1689 no_Magic(c));
a3a760ee765f patch 8.2.4688: new regexp engine does not give an error for "%v" Bram Moolenaar <Bram@vim.org> parents: 28247 diff changeset	1690 return FAIL;
a3a760ee765f patch 8.2.4688: new regexp engine does not give an error for "%v" Bram Moolenaar <Bram@vim.org> parents: 28247 diff changeset	1691 }
4583 321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	1692 if (c == 'l')
8021 b6b4f354df23 commit https://github.com/vim/vim/commit/7c29f387819b5817b003d2ba73e2b5cf3cb3d0dd Christian Brabandt <cb@256bit.org> parents: 7833 diff changeset	1693 {
25147 10b269321459 patch 8.2.3110: a pattern that matches the cursor position is complicated Bram Moolenaar <Bram@vim.org> parents: 24693 diff changeset	1694 if (cur)
10b269321459 patch 8.2.3110: a pattern that matches the cursor position is complicated Bram Moolenaar <Bram@vim.org> parents: 24693 diff changeset	1695 n = curwin->w_cursor.lnum;
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1696 // \%{n}l \%{n}<l \%{n}>l
4583 321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	1697 EMIT(cmp == '<' ? NFA_LNUM_LT :
4732 0798b096bab3 updated for version 7.3.1113 Bram Moolenaar <bram@vim.org> parents: 4730 diff changeset	1698 cmp == '>' ? NFA_LNUM_GT : NFA_LNUM);
8021 b6b4f354df23 commit https://github.com/vim/vim/commit/7c29f387819b5817b003d2ba73e2b5cf3cb3d0dd Christian Brabandt <cb@256bit.org> parents: 7833 diff changeset	1699 if (save_prev_at_start)
b6b4f354df23 commit https://github.com/vim/vim/commit/7c29f387819b5817b003d2ba73e2b5cf3cb3d0dd Christian Brabandt <cb@256bit.org> parents: 7833 diff changeset	1700 at_start = TRUE;
b6b4f354df23 commit https://github.com/vim/vim/commit/7c29f387819b5817b003d2ba73e2b5cf3cb3d0dd Christian Brabandt <cb@256bit.org> parents: 7833 diff changeset	1701 }
4583 321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	1702 else if (c == 'c')
25147 10b269321459 patch 8.2.3110: a pattern that matches the cursor position is complicated Bram Moolenaar <Bram@vim.org> parents: 24693 diff changeset	1703 {
10b269321459 patch 8.2.3110: a pattern that matches the cursor position is complicated Bram Moolenaar <Bram@vim.org> parents: 24693 diff changeset	1704 if (cur)
10b269321459 patch 8.2.3110: a pattern that matches the cursor position is complicated Bram Moolenaar <Bram@vim.org> parents: 24693 diff changeset	1705 {
10b269321459 patch 8.2.3110: a pattern that matches the cursor position is complicated Bram Moolenaar <Bram@vim.org> parents: 24693 diff changeset	1706 n = curwin->w_cursor.col;
10b269321459 patch 8.2.3110: a pattern that matches the cursor position is complicated Bram Moolenaar <Bram@vim.org> parents: 24693 diff changeset	1707 n++;
10b269321459 patch 8.2.3110: a pattern that matches the cursor position is complicated Bram Moolenaar <Bram@vim.org> parents: 24693 diff changeset	1708 }
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1709 // \%{n}c \%{n}<c \%{n}>c
4583 321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	1710 EMIT(cmp == '<' ? NFA_COL_LT :
4732 0798b096bab3 updated for version 7.3.1113 Bram Moolenaar <bram@vim.org> parents: 4730 diff changeset	1711 cmp == '>' ? NFA_COL_GT : NFA_COL);
25147 10b269321459 patch 8.2.3110: a pattern that matches the cursor position is complicated Bram Moolenaar <Bram@vim.org> parents: 24693 diff changeset	1712 }
4583 321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	1713 else
15802 f043c8931585 patch 8.1.0908: can't handle large value for %{nr}v in regexp Bram Moolenaar <Bram@vim.org> parents: 15800 diff changeset	1714 {
25147 10b269321459 patch 8.2.3110: a pattern that matches the cursor position is complicated Bram Moolenaar <Bram@vim.org> parents: 24693 diff changeset	1715 if (cur)
10b269321459 patch 8.2.3110: a pattern that matches the cursor position is complicated Bram Moolenaar <Bram@vim.org> parents: 24693 diff changeset	1716 {
10b269321459 patch 8.2.3110: a pattern that matches the cursor position is complicated Bram Moolenaar <Bram@vim.org> parents: 24693 diff changeset	1717 colnr_T vcol = 0;
10b269321459 patch 8.2.3110: a pattern that matches the cursor position is complicated Bram Moolenaar <Bram@vim.org> parents: 24693 diff changeset	1718
10b269321459 patch 8.2.3110: a pattern that matches the cursor position is complicated Bram Moolenaar <Bram@vim.org> parents: 24693 diff changeset	1719 getvvcol(curwin, &curwin->w_cursor,
10b269321459 patch 8.2.3110: a pattern that matches the cursor position is complicated Bram Moolenaar <Bram@vim.org> parents: 24693 diff changeset	1720 NULL, NULL, &vcol);
10b269321459 patch 8.2.3110: a pattern that matches the cursor position is complicated Bram Moolenaar <Bram@vim.org> parents: 24693 diff changeset	1721 n = ++vcol;
10b269321459 patch 8.2.3110: a pattern that matches the cursor position is complicated Bram Moolenaar <Bram@vim.org> parents: 24693 diff changeset	1722 }
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1723 // \%{n}v \%{n}<v \%{n}>v
4583 321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	1724 EMIT(cmp == '<' ? NFA_VCOL_LT :
4732 0798b096bab3 updated for version 7.3.1113 Bram Moolenaar <bram@vim.org> parents: 4730 diff changeset	1725 cmp == '>' ? NFA_VCOL_GT : NFA_VCOL);
15802 f043c8931585 patch 8.1.0908: can't handle large value for %{nr}v in regexp Bram Moolenaar <Bram@vim.org> parents: 15800 diff changeset	1726 limit = INT_MAX / MB_MAXBYTES;
f043c8931585 patch 8.1.0908: can't handle large value for %{nr}v in regexp Bram Moolenaar <Bram@vim.org> parents: 15800 diff changeset	1727 }
f043c8931585 patch 8.1.0908: can't handle large value for %{nr}v in regexp Bram Moolenaar <Bram@vim.org> parents: 15800 diff changeset	1728 if (n >= limit)
13192 9bd4151e5aeb patch 8.0.1470: integer overflow when using regexp pattern Christian Brabandt <cb@256bit.org> parents: 13043 diff changeset	1729 {
26962 85866e069c24 patch 8.2.4010: error messages are spread out Bram Moolenaar <Bram@vim.org> parents: 26958 diff changeset	1730 emsg(_(e_percent_value_too_large));
13192 9bd4151e5aeb patch 8.0.1470: integer overflow when using regexp pattern Christian Brabandt <cb@256bit.org> parents: 13043 diff changeset	1731 return FAIL;
9bd4151e5aeb patch 8.0.1470: integer overflow when using regexp pattern Christian Brabandt <cb@256bit.org> parents: 13043 diff changeset	1732 }
9bd4151e5aeb patch 8.0.1470: integer overflow when using regexp pattern Christian Brabandt <cb@256bit.org> parents: 13043 diff changeset	1733 EMIT((int)n);
4583 321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	1734 break;
321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	1735 }
4732 0798b096bab3 updated for version 7.3.1113 Bram Moolenaar <bram@vim.org> parents: 4730 diff changeset	1736 else if (c == '\'' && n == 0)
0798b096bab3 updated for version 7.3.1113 Bram Moolenaar <bram@vim.org> parents: 4730 diff changeset	1737 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1738 // \%'m \%<'m \%>'m
4732 0798b096bab3 updated for version 7.3.1113 Bram Moolenaar <bram@vim.org> parents: 4730 diff changeset	1739 EMIT(cmp == '<' ? NFA_MARK_LT :
0798b096bab3 updated for version 7.3.1113 Bram Moolenaar <bram@vim.org> parents: 4730 diff changeset	1740 cmp == '>' ? NFA_MARK_GT : NFA_MARK);
4740 97560c16ca99 updated for version 7.3.1117 Bram Moolenaar <bram@vim.org> parents: 4738 diff changeset	1741 EMIT(getchr());
4732 0798b096bab3 updated for version 7.3.1113 Bram Moolenaar <bram@vim.org> parents: 4730 diff changeset	1742 break;
0798b096bab3 updated for version 7.3.1113 Bram Moolenaar <bram@vim.org> parents: 4730 diff changeset	1743 }
4583 321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	1744 }
26966 ac75c145f0a9 patch 8.2.4012: error messages are spread out Bram Moolenaar <Bram@vim.org> parents: 26962 diff changeset	1745 semsg(_(e_nfa_regexp_unknown_operator_percent_chr), no_Magic(c));
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1746 return FAIL;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1747 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1748 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1749
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1750 case Magic('['):
4517 9a2183bd8295 updated for version 7.3.1006 Bram Moolenaar <bram@vim.org> parents: 4515 diff changeset	1751 collection:
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1752 /*
4781 c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	1753 * [abc] uses NFA_START_COLL - NFA_END_COLL
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	1754 * [^abc] uses NFA_START_NEG_COLL - NFA_END_NEG_COLL
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	1755 * Each character is produced as a regular state, using
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	1756 * NFA_CONCAT to bind them together.
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	1757 * Besides normal characters there can be:
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	1758 * - character classes NFA_CLASS_*
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	1759 * - ranges, two characters followed by NFA_RANGE.
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1760 */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1761
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1762 p = regparse;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1763 endp = skip_anyof(p);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1764 if (*endp == ']')
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1765 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1766 /*
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1767 * Try to reverse engineer character classes. For example,
5296 3e9107b86b68 updated for version 7.4.001 Bram Moolenaar <bram@vim.org> parents: 5255 diff changeset	1768 * recognize that [0-9] stands for \d and [A-Za-z_] for \h,
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1769 * and perform the necessary substitutions in the NFA.
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1770 */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1771 result = nfa_recognize_char_class(regparse, endp,
5296 3e9107b86b68 updated for version 7.4.001 Bram Moolenaar <bram@vim.org> parents: 5255 diff changeset	1772 extra == NFA_ADD_NL);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1773 if (result != FAIL)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1774 {
5296 3e9107b86b68 updated for version 7.4.001 Bram Moolenaar <bram@vim.org> parents: 5255 diff changeset	1775 if (result >= NFA_FIRST_NL && result <= NFA_LAST_NL)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1776 {
5296 3e9107b86b68 updated for version 7.4.001 Bram Moolenaar <bram@vim.org> parents: 5255 diff changeset	1777 EMIT(result - NFA_ADD_NL);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1778 EMIT(NFA_NEWL);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1779 EMIT(NFA_OR);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1780 }
5296 3e9107b86b68 updated for version 7.4.001 Bram Moolenaar <bram@vim.org> parents: 5255 diff changeset	1781 else
3e9107b86b68 updated for version 7.4.001 Bram Moolenaar <bram@vim.org> parents: 5255 diff changeset	1782 EMIT(result);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1783 regparse = endp;
11127 506f5d8b7d8b patch 8.0.0451: some macros are in lower case Christian Brabandt <cb@256bit.org> parents: 10551 diff changeset	1784 MB_PTR_ADV(regparse);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1785 return OK;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1786 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1787 /*
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1788 * Failed to recognize a character class. Use the simple
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1789 * version that turns [abc] into 'a' OR 'b' OR 'c'
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1790 */
25178 0797c8ce343d patch 8.2.3125: variables are set but not used Bram Moolenaar <Bram@vim.org> parents: 25147 diff changeset	1791 startc = -1;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1792 negated = FALSE;
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1793 if (*regparse == '^') // negated range
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1794 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1795 negated = TRUE;
11127 506f5d8b7d8b patch 8.0.0451: some macros are in lower case Christian Brabandt <cb@256bit.org> parents: 10551 diff changeset	1796 MB_PTR_ADV(regparse);
4781 c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	1797 EMIT(NFA_START_NEG_COLL);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1798 }
4781 c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	1799 else
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	1800 EMIT(NFA_START_COLL);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1801 if (*regparse == '-')
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1802 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1803 startc = '-';
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1804 EMIT(startc);
4781 c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	1805 EMIT(NFA_CONCAT);
11127 506f5d8b7d8b patch 8.0.0451: some macros are in lower case Christian Brabandt <cb@256bit.org> parents: 10551 diff changeset	1806 MB_PTR_ADV(regparse);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1807 }
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1808 // Emit the OR branches for each character in the []
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1809 emit_range = FALSE;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1810 while (regparse < endp)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1811 {
25178 0797c8ce343d patch 8.2.3125: variables are set but not used Bram Moolenaar <Bram@vim.org> parents: 25147 diff changeset	1812 int oldstartc = startc;
0797c8ce343d patch 8.2.3125: variables are set but not used Bram Moolenaar <Bram@vim.org> parents: 25147 diff changeset	1813
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1814 startc = -1;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1815 got_coll_char = FALSE;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1816 if (*regparse == '[')
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1817 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1818 // Check for [: :], [= =], [. .]
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1819 equiclass = collclass = 0;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1820 charclass = get_char_class(&regparse);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1821 if (charclass == CLASS_NONE)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1822 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1823 equiclass = get_equi_class(&regparse);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1824 if (equiclass == 0)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1825 collclass = get_coll_element(&regparse);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1826 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1827
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1828 // Character class like [:alpha:]
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1829 if (charclass != CLASS_NONE)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1830 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1831 switch (charclass)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1832 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1833 case CLASS_ALNUM:
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1834 EMIT(NFA_CLASS_ALNUM);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1835 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1836 case CLASS_ALPHA:
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1837 EMIT(NFA_CLASS_ALPHA);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1838 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1839 case CLASS_BLANK:
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1840 EMIT(NFA_CLASS_BLANK);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1841 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1842 case CLASS_CNTRL:
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1843 EMIT(NFA_CLASS_CNTRL);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1844 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1845 case CLASS_DIGIT:
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1846 EMIT(NFA_CLASS_DIGIT);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1847 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1848 case CLASS_GRAPH:
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1849 EMIT(NFA_CLASS_GRAPH);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1850 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1851 case CLASS_LOWER:
23471 a7cdfc8e4b6e patch 8.2.2278: falling back to old regexp engine can some patterns Bram Moolenaar <Bram@vim.org> parents: 23270 diff changeset	1852 wants_nfa = TRUE;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1853 EMIT(NFA_CLASS_LOWER);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1854 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1855 case CLASS_PRINT:
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1856 EMIT(NFA_CLASS_PRINT);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1857 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1858 case CLASS_PUNCT:
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1859 EMIT(NFA_CLASS_PUNCT);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1860 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1861 case CLASS_SPACE:
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1862 EMIT(NFA_CLASS_SPACE);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1863 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1864 case CLASS_UPPER:
23471 a7cdfc8e4b6e patch 8.2.2278: falling back to old regexp engine can some patterns Bram Moolenaar <Bram@vim.org> parents: 23270 diff changeset	1865 wants_nfa = TRUE;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1866 EMIT(NFA_CLASS_UPPER);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1867 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1868 case CLASS_XDIGIT:
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1869 EMIT(NFA_CLASS_XDIGIT);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1870 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1871 case CLASS_TAB:
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1872 EMIT(NFA_CLASS_TAB);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1873 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1874 case CLASS_RETURN:
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1875 EMIT(NFA_CLASS_RETURN);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1876 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1877 case CLASS_BACKSPACE:
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1878 EMIT(NFA_CLASS_BACKSPACE);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1879 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1880 case CLASS_ESCAPE:
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1881 EMIT(NFA_CLASS_ESCAPE);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1882 break;
15709 2e2f07561f4b patch 8.1.0862: no verbose version of character classes Bram Moolenaar <Bram@vim.org> parents: 15603 diff changeset	1883 case CLASS_IDENT:
2e2f07561f4b patch 8.1.0862: no verbose version of character classes Bram Moolenaar <Bram@vim.org> parents: 15603 diff changeset	1884 EMIT(NFA_CLASS_IDENT);
2e2f07561f4b patch 8.1.0862: no verbose version of character classes Bram Moolenaar <Bram@vim.org> parents: 15603 diff changeset	1885 break;
2e2f07561f4b patch 8.1.0862: no verbose version of character classes Bram Moolenaar <Bram@vim.org> parents: 15603 diff changeset	1886 case CLASS_KEYWORD:
2e2f07561f4b patch 8.1.0862: no verbose version of character classes Bram Moolenaar <Bram@vim.org> parents: 15603 diff changeset	1887 EMIT(NFA_CLASS_KEYWORD);
2e2f07561f4b patch 8.1.0862: no verbose version of character classes Bram Moolenaar <Bram@vim.org> parents: 15603 diff changeset	1888 break;
2e2f07561f4b patch 8.1.0862: no verbose version of character classes Bram Moolenaar <Bram@vim.org> parents: 15603 diff changeset	1889 case CLASS_FNAME:
2e2f07561f4b patch 8.1.0862: no verbose version of character classes Bram Moolenaar <Bram@vim.org> parents: 15603 diff changeset	1890 EMIT(NFA_CLASS_FNAME);
2e2f07561f4b patch 8.1.0862: no verbose version of character classes Bram Moolenaar <Bram@vim.org> parents: 15603 diff changeset	1891 break;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1892 }
4781 c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	1893 EMIT(NFA_CONCAT);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1894 continue;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1895 }
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1896 // Try equivalence class [=a=] and the like
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1897 if (equiclass != 0)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1898 {
4781 c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	1899 result = nfa_emit_equi_class(equiclass);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1900 if (result == FAIL)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1901 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1902 // should never happen
26962 85866e069c24 patch 8.2.4010: error messages are spread out Bram Moolenaar <Bram@vim.org> parents: 26958 diff changeset	1903 EMSG_RET_FAIL(_(e_error_building_nfa_with_equivalence_class));
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1904 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1905 continue;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1906 }
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1907 // Try collating class like [. .]
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1908 if (collclass != 0)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1909 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1910 startc = collclass; // allow [.a.]-x as a range
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1911 // Will emit the proper atom at the end of the
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1912 // while loop.
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1913 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1914 }
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1915 // Try a range like 'a-x' or '\t-z'. Also allows '-' as a
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1916 // start character.
4677 c1622ff9ed8d updated for version 7.3.1086 Bram Moolenaar <bram@vim.org> parents: 4675 diff changeset	1917 if (*regparse == '-' && oldstartc != -1)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1918 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1919 emit_range = TRUE;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1920 startc = oldstartc;
11127 506f5d8b7d8b patch 8.0.0451: some macros are in lower case Christian Brabandt <cb@256bit.org> parents: 10551 diff changeset	1921 MB_PTR_ADV(regparse);
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1922 continue; // reading the end of the range
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1923 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1924
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1925 // Now handle simple and escaped characters.
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1926 // Only "\]", "\^", "\]" and "\\" are special in Vi. Vim
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1927 // accepts "\t", "\e", etc., but only when the 'l' flag in
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1928 // 'cpoptions' is not included.
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1929 // Posix doesn't recognize backslash at all.
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1930 if (*regparse == '\\'
4744 a62695305e03 updated for version 7.3.1119 Bram Moolenaar <bram@vim.org> parents: 4742 diff changeset	1931 && !reg_cpo_bsl
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1932 && regparse + 1 <= endp
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1933 && (vim_strchr(REGEXP_INRANGE, regparse[1]) != NULL
4744 a62695305e03 updated for version 7.3.1119 Bram Moolenaar <bram@vim.org> parents: 4742 diff changeset	1934 \|\| (!reg_cpo_lit
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1935 && vim_strchr(REGEXP_ABBR, regparse[1])
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1936 != NULL)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1937 )
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1938 )
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1939 {
11127 506f5d8b7d8b patch 8.0.0451: some macros are in lower case Christian Brabandt <cb@256bit.org> parents: 10551 diff changeset	1940 MB_PTR_ADV(regparse);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1941
4507 9dbbddb2ed10 updated for version 7.3.1001 Bram Moolenaar <bram@vim.org> parents: 4503 diff changeset	1942 if (*regparse == 'n')
15876 0c49755f460e patch 8.1.0945: internal error when using pattern with NL in the range Bram Moolenaar <Bram@vim.org> parents: 15824 diff changeset	1943 startc = (reg_string \|\| emit_range
0c49755f460e patch 8.1.0945: internal error when using pattern with NL in the range Bram Moolenaar <Bram@vim.org> parents: 15824 diff changeset	1944 \|\| regparse[1] == '-') ? NL : NFA_NEWL;
16162 cd5c83115ec6 patch 8.1.1086: too many curly braces Bram Moolenaar <Bram@vim.org> parents: 15935 diff changeset	1945 else if (*regparse == 'd'
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1946 \|\| *regparse == 'o'
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1947 \|\| *regparse == 'x'
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1948 \|\| *regparse == 'u'
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1949 \|\| *regparse == 'U'
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1950 )
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1951 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1952 // TODO(RE) This needs more testing
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1953 startc = coll_get_char();
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1954 got_coll_char = TRUE;
11127 506f5d8b7d8b patch 8.0.0451: some macros are in lower case Christian Brabandt <cb@256bit.org> parents: 10551 diff changeset	1955 MB_PTR_BACK(old_regparse, regparse);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1956 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1957 else
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1958 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1959 // \r,\t,\e,\b
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1960 startc = backslash_trans(*regparse);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1961 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1962 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1963
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1964 // Normal printable char
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1965 if (startc == -1)
4677 c1622ff9ed8d updated for version 7.3.1086 Bram Moolenaar <bram@vim.org> parents: 4675 diff changeset	1966 startc = PTR2CHAR(regparse);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1967
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1968 // Previous char was '-', so this char is end of range.
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1969 if (emit_range)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1970 {
25178 0797c8ce343d patch 8.2.3125: variables are set but not used Bram Moolenaar <Bram@vim.org> parents: 25147 diff changeset	1971 int endc = startc;
0797c8ce343d patch 8.2.3125: variables are set but not used Bram Moolenaar <Bram@vim.org> parents: 25147 diff changeset	1972
4677 c1622ff9ed8d updated for version 7.3.1086 Bram Moolenaar <bram@vim.org> parents: 4675 diff changeset	1973 startc = oldstartc;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1974 if (startc > endc)
26958 d92e0d85923f patch 8.2.4008: error messages are spread out Bram Moolenaar <Bram@vim.org> parents: 26952 diff changeset	1975 EMSG_RET_FAIL(_(e_reverse_range_in_character_class));
4781 c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	1976
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	1977 if (endc > startc + 2)
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	1978 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1979 // Emit a range instead of the sequence of
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1980 // individual characters.
4781 c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	1981 if (startc == 0)
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1982 // \x00 is translated to \x0a, start at \x01.
4781 c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	1983 EMIT(1);
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	1984 else
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1985 --post_ptr; // remove NFA_CONCAT
4781 c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	1986 EMIT(endc);
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	1987 EMIT(NFA_RANGE);
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	1988 EMIT(NFA_CONCAT);
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	1989 }
15603 639b8318472c patch 8.1.0809: too many #ifdefs Bram Moolenaar <Bram@vim.org> parents: 15490 diff changeset	1990 else if (has_mbyte && ((*mb_char2len)(startc) > 1
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1991 \|\| (*mb_char2len)(endc) > 1))
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1992 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1993 // Emit the characters in the range.
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1994 // "startc" was already emitted, so skip it.
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1995 //
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1996 for (c = startc + 1; c <= endc; c++)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1997 {
4527 55bcaa1d2749 updated for version 7.3.1011 Bram Moolenaar <bram@vim.org> parents: 4525 diff changeset	1998 EMIT(c);
4781 c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	1999 EMIT(NFA_CONCAT);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2000 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2001 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2002 else
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2003 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	2004 // Emit the range. "startc" was already emitted, so
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	2005 // skip it.
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2006 for (c = startc + 1; c <= endc; c++)
27490 fb4c30606b4a patch 8.2.4273: the EBCDIC support is outdated Bram Moolenaar <Bram@vim.org> parents: 27000 diff changeset	2007 {
fb4c30606b4a patch 8.2.4273: the EBCDIC support is outdated Bram Moolenaar <Bram@vim.org> parents: 27000 diff changeset	2008 EMIT(c);
fb4c30606b4a patch 8.2.4273: the EBCDIC support is outdated Bram Moolenaar <Bram@vim.org> parents: 27000 diff changeset	2009 EMIT(NFA_CONCAT);
fb4c30606b4a patch 8.2.4273: the EBCDIC support is outdated Bram Moolenaar <Bram@vim.org> parents: 27000 diff changeset	2010 }
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2011 }
4677 c1622ff9ed8d updated for version 7.3.1086 Bram Moolenaar <bram@vim.org> parents: 4675 diff changeset	2012 emit_range = FALSE;
c1622ff9ed8d updated for version 7.3.1086 Bram Moolenaar <bram@vim.org> parents: 4675 diff changeset	2013 startc = -1;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2014 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2015 else
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2016 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	2017 // This char (startc) is not part of a range. Just
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	2018 // emit it.
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	2019 // Normally, simply emit startc. But if we get char
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	2020 // code=0 from a collating char, then replace it with
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	2021 // 0x0a.
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	2022 // This is needed to completely mimic the behaviour of
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	2023 // the backtracking engine.
4781 c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	2024 if (startc == NFA_NEWL)
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	2025 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	2026 // Line break can't be matched as part of the
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	2027 // collection, add an OR below. But not for negated
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	2028 // range.
4781 c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	2029 if (!negated)
5296 3e9107b86b68 updated for version 7.4.001 Bram Moolenaar <bram@vim.org> parents: 5255 diff changeset	2030 extra = NFA_ADD_NL;
4781 c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	2031 }
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2032 else
4781 c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	2033 {
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	2034 if (got_coll_char == TRUE && startc == 0)
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	2035 EMIT(0x0a);
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	2036 else
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	2037 EMIT(startc);
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	2038 EMIT(NFA_CONCAT);
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	2039 }
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2040 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2041
11127 506f5d8b7d8b patch 8.0.0451: some macros are in lower case Christian Brabandt <cb@256bit.org> parents: 10551 diff changeset	2042 MB_PTR_ADV(regparse);
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	2043 } // while (p < endp)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2044
11127 506f5d8b7d8b patch 8.0.0451: some macros are in lower case Christian Brabandt <cb@256bit.org> parents: 10551 diff changeset	2045 MB_PTR_BACK(old_regparse, regparse);
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	2046 if (*regparse == '-') // if last, '-' is just a char
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2047 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2048 EMIT('-');
4781 c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	2049 EMIT(NFA_CONCAT);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2050 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2051
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	2052 // skip the trailing ]
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2053 regparse = endp;
11127 506f5d8b7d8b patch 8.0.0451: some macros are in lower case Christian Brabandt <cb@256bit.org> parents: 10551 diff changeset	2054 MB_PTR_ADV(regparse);
4781 c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	2055
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	2056 // Mark end of the collection.
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2057 if (negated == TRUE)
4781 c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	2058 EMIT(NFA_END_NEG_COLL);
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	2059 else
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	2060 EMIT(NFA_END_COLL);
4615 5679b8ddd8cc updated for version 7.3.1055 Bram Moolenaar <bram@vim.org> parents: 4583 diff changeset	2061
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	2062 // \_[] also matches \n but it's not negated
5296 3e9107b86b68 updated for version 7.4.001 Bram Moolenaar <bram@vim.org> parents: 5255 diff changeset	2063 if (extra == NFA_ADD_NL)
4615 5679b8ddd8cc updated for version 7.3.1055 Bram Moolenaar <bram@vim.org> parents: 4583 diff changeset	2064 {
5679b8ddd8cc updated for version 7.3.1055 Bram Moolenaar <bram@vim.org> parents: 4583 diff changeset	2065 EMIT(reg_string ? NL : NFA_NEWL);
5679b8ddd8cc updated for version 7.3.1055 Bram Moolenaar <bram@vim.org> parents: 4583 diff changeset	2066 EMIT(NFA_OR);
5679b8ddd8cc updated for version 7.3.1055 Bram Moolenaar <bram@vim.org> parents: 4583 diff changeset	2067 }
5679b8ddd8cc updated for version 7.3.1055 Bram Moolenaar <bram@vim.org> parents: 4583 diff changeset	2068
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2069 return OK;
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	2070 } // if exists closing ]
4529 432a6b8c7d93 updated for version 7.3.1012 Bram Moolenaar <bram@vim.org> parents: 4527 diff changeset	2071
432a6b8c7d93 updated for version 7.3.1012 Bram Moolenaar <bram@vim.org> parents: 4527 diff changeset	2072 if (reg_strict)
26958 d92e0d85923f patch 8.2.4008: error messages are spread out Bram Moolenaar <Bram@vim.org> parents: 26952 diff changeset	2073 EMSG_RET_FAIL(_(e_missing_rsb_after_str_lsb));
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	2074 // FALLTHROUGH
4529 432a6b8c7d93 updated for version 7.3.1012 Bram Moolenaar <bram@vim.org> parents: 4527 diff changeset	2075
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2076 default:
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2077 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2078 int plen;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2079
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2080 nfa_do_multibyte:
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	2081 // plen is length of current char with composing chars
4543 08ac46980953 updated for version 7.3.1019 Bram Moolenaar <bram@vim.org> parents: 4541 diff changeset	2082 if (enc_utf8 && ((*mb_char2len)(c)
11269 121d29004998 patch 8.0.0520: using a function pointer while the function is known Christian Brabandt <cb@256bit.org> parents: 11267 diff changeset	2083 != (plen = utfc_ptr2len(old_regparse))
4543 08ac46980953 updated for version 7.3.1019 Bram Moolenaar <bram@vim.org> parents: 4541 diff changeset	2084 \|\| utf_iscomposing(c)))
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2085 {
4549 849180347ac3 updated for version 7.3.1022 Bram Moolenaar <bram@vim.org> parents: 4547 diff changeset	2086 int i = 0;
849180347ac3 updated for version 7.3.1022 Bram Moolenaar <bram@vim.org> parents: 4547 diff changeset	2087
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	2088 // A base character plus composing characters, or just one
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	2089 // or more composing characters.
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	2090 // This requires creating a separate atom as if enclosing
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	2091 // the characters in (), where NFA_COMPOSING is the ( and
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	2092 // NFA_END_COMPOSING is the ). Note that right now we are
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	2093 // building the postfix form, not the NFA itself;
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	2094 // a composing char could be: a, b, c, NFA_COMPOSING
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	2095 // where 'b' and 'c' are chars with codes > 256.
4527 55bcaa1d2749 updated for version 7.3.1011 Bram Moolenaar <bram@vim.org> parents: 4525 diff changeset	2096 for (;;)
55bcaa1d2749 updated for version 7.3.1011 Bram Moolenaar <bram@vim.org> parents: 4525 diff changeset	2097 {
55bcaa1d2749 updated for version 7.3.1011 Bram Moolenaar <bram@vim.org> parents: 4525 diff changeset	2098 EMIT(c);
55bcaa1d2749 updated for version 7.3.1011 Bram Moolenaar <bram@vim.org> parents: 4525 diff changeset	2099 if (i > 0)
55bcaa1d2749 updated for version 7.3.1011 Bram Moolenaar <bram@vim.org> parents: 4525 diff changeset	2100 EMIT(NFA_CONCAT);
4529 432a6b8c7d93 updated for version 7.3.1012 Bram Moolenaar <bram@vim.org> parents: 4527 diff changeset	2101 if ((i += utf_char2len(c)) >= plen)
4527 55bcaa1d2749 updated for version 7.3.1011 Bram Moolenaar <bram@vim.org> parents: 4525 diff changeset	2102 break;
55bcaa1d2749 updated for version 7.3.1011 Bram Moolenaar <bram@vim.org> parents: 4525 diff changeset	2103 c = utf_ptr2char(old_regparse + i);
55bcaa1d2749 updated for version 7.3.1011 Bram Moolenaar <bram@vim.org> parents: 4525 diff changeset	2104 }
55bcaa1d2749 updated for version 7.3.1011 Bram Moolenaar <bram@vim.org> parents: 4525 diff changeset	2105 EMIT(NFA_COMPOSING);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2106 regparse = old_regparse + plen;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2107 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2108 else
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2109 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2110 c = no_Magic(c);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2111 EMIT(c);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2112 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2113 return OK;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2114 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2115 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2116
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2117 return OK;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2118 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2119
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2120 /*
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2121 * Parse something followed by possible [*+=].
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2122 *
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2123 * A piece is an atom, possibly followed by a multi, an indication of how many
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2124 * times the atom can be matched. Example: "a*" matches any sequence of "a"
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2125 * characters: "", "a", "aa", etc.
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2126 *
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2127 * piece ::= atom
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2128 * or atom multi
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2129 */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2130 static int
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	2131 nfa_regpiece(void)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2132 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2133 int i;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2134 int op;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2135 int ret;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2136 long minval, maxval;
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	2137 int greedy = TRUE; // Braces are prefixed with '-' ?
4679 4d92b873acef updated for version 7.3.1087 Bram Moolenaar <bram@vim.org> parents: 4677 diff changeset	2138 parse_state_T old_state;
4d92b873acef updated for version 7.3.1087 Bram Moolenaar <bram@vim.org> parents: 4677 diff changeset	2139 parse_state_T new_state;
12752 09c856605191 patch 8.0.1254: undefined left shift in gethexchrs() Christian Brabandt <cb@256bit.org> parents: 12674 diff changeset	2140 long c2;
4651 f10f63aaec5c updated for version 7.3.1073 Bram Moolenaar <bram@vim.org> parents: 4649 diff changeset	2141 int old_post_pos;
f10f63aaec5c updated for version 7.3.1073 Bram Moolenaar <bram@vim.org> parents: 4649 diff changeset	2142 int my_post_start;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2143 int quest;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2144
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	2145 // Save the current parse state, so that we can use it if <atom>{m,n} is
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	2146 // next.
4679 4d92b873acef updated for version 7.3.1087 Bram Moolenaar <bram@vim.org> parents: 4677 diff changeset	2147 save_parse_state(&old_state);
4d92b873acef updated for version 7.3.1087 Bram Moolenaar <bram@vim.org> parents: 4677 diff changeset	2148
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	2149 // store current pos in the postfix form, for \{m,n} involving 0s
4651 f10f63aaec5c updated for version 7.3.1073 Bram Moolenaar <bram@vim.org> parents: 4649 diff changeset	2150 my_post_start = (int)(post_ptr - post_start);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2151
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2152 ret = nfa_regatom();
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2153 if (ret == FAIL)
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	2154 return FAIL; // cascaded error
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2155
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2156 op = peekchr();
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2157 if (re_multi_type(op) == NOT_MULTI)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2158 return OK;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2159
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2160 skipchr();
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2161 switch (op)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2162 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2163 case Magic('*'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2164 EMIT(NFA_STAR);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2165 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2166
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2167 case Magic('+'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2168 /*
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2169 * Trick: Normally, (a*)\+ would match the whole input "aaa". The
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2170 * first and only submatch would be "aaa". But the backtracking
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2171 * engine interprets the plus as "try matching one more time", and
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2172 * a* matches a second time at the end of the input, the empty
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2173 * string.
5255 3c6e2b89875f updated for version 7.4b.004 Bram Moolenaar <bram@vim.org> parents: 5253 diff changeset	2174 * The submatch will be the empty string.
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2175 *
4673 05d57d7c2d55 updated for version 7.3.1084 Bram Moolenaar <bram@vim.org> parents: 4671 diff changeset	2176 * In order to be consistent with the old engine, we replace
05d57d7c2d55 updated for version 7.3.1084 Bram Moolenaar <bram@vim.org> parents: 4671 diff changeset	2177 * <atom>+ with <atom><atom>*
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2178 */
4679 4d92b873acef updated for version 7.3.1087 Bram Moolenaar <bram@vim.org> parents: 4677 diff changeset	2179 restore_parse_state(&old_state);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2180 curchr = -1;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2181 if (nfa_regatom() == FAIL)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2182 return FAIL;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2183 EMIT(NFA_STAR);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2184 EMIT(NFA_CONCAT);
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	2185 skipchr(); // skip the \+
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2186 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2187
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2188 case Magic('@'):
4682 2f51ee8825db updated for version 7.3.1088 Bram Moolenaar <bram@vim.org> parents: 4679 diff changeset	2189 c2 = getdecchrs();
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2190 op = no_Magic(getchr());
4682 2f51ee8825db updated for version 7.3.1088 Bram Moolenaar <bram@vim.org> parents: 4679 diff changeset	2191 i = 0;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2192 switch(op)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2193 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2194 case '=':
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	2195 // \@=
4682 2f51ee8825db updated for version 7.3.1088 Bram Moolenaar <bram@vim.org> parents: 4679 diff changeset	2196 i = NFA_PREV_ATOM_NO_WIDTH;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2197 break;
4661 0dce3d812e7a updated for version 7.3.1078 Bram Moolenaar <bram@vim.org> parents: 4657 diff changeset	2198 case '!':
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	2199 // \@!
4682 2f51ee8825db updated for version 7.3.1088 Bram Moolenaar <bram@vim.org> parents: 4679 diff changeset	2200 i = NFA_PREV_ATOM_NO_WIDTH_NEG;
4661 0dce3d812e7a updated for version 7.3.1078 Bram Moolenaar <bram@vim.org> parents: 4657 diff changeset	2201 break;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2202 case '<':
4682 2f51ee8825db updated for version 7.3.1088 Bram Moolenaar <bram@vim.org> parents: 4679 diff changeset	2203 op = no_Magic(getchr());
2f51ee8825db updated for version 7.3.1088 Bram Moolenaar <bram@vim.org> parents: 4679 diff changeset	2204 if (op == '=')
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	2205 // \@<=
4682 2f51ee8825db updated for version 7.3.1088 Bram Moolenaar <bram@vim.org> parents: 4679 diff changeset	2206 i = NFA_PREV_ATOM_JUST_BEFORE;
2f51ee8825db updated for version 7.3.1088 Bram Moolenaar <bram@vim.org> parents: 4679 diff changeset	2207 else if (op == '!')
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	2208 // \@<!
4682 2f51ee8825db updated for version 7.3.1088 Bram Moolenaar <bram@vim.org> parents: 4679 diff changeset	2209 i = NFA_PREV_ATOM_JUST_BEFORE_NEG;
2f51ee8825db updated for version 7.3.1088 Bram Moolenaar <bram@vim.org> parents: 4679 diff changeset	2210 break;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2211 case '>':
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	2212 // \@>
4750 7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	2213 i = NFA_PREV_ATOM_LIKE_PATTERN;
7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	2214 break;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2215 }
4682 2f51ee8825db updated for version 7.3.1088 Bram Moolenaar <bram@vim.org> parents: 4679 diff changeset	2216 if (i == 0)
2f51ee8825db updated for version 7.3.1088 Bram Moolenaar <bram@vim.org> parents: 4679 diff changeset	2217 {
26966 ac75c145f0a9 patch 8.2.4012: error messages are spread out Bram Moolenaar <Bram@vim.org> parents: 26962 diff changeset	2218 semsg(_(e_nfa_regexp_unknown_operator_at_chr), op);
4682 2f51ee8825db updated for version 7.3.1088 Bram Moolenaar <bram@vim.org> parents: 4679 diff changeset	2219 return FAIL;
2f51ee8825db updated for version 7.3.1088 Bram Moolenaar <bram@vim.org> parents: 4679 diff changeset	2220 }
2f51ee8825db updated for version 7.3.1088 Bram Moolenaar <bram@vim.org> parents: 4679 diff changeset	2221 EMIT(i);
2f51ee8825db updated for version 7.3.1088 Bram Moolenaar <bram@vim.org> parents: 4679 diff changeset	2222 if (i == NFA_PREV_ATOM_JUST_BEFORE
2f51ee8825db updated for version 7.3.1088 Bram Moolenaar <bram@vim.org> parents: 4679 diff changeset	2223 \|\| i == NFA_PREV_ATOM_JUST_BEFORE_NEG)
2f51ee8825db updated for version 7.3.1088 Bram Moolenaar <bram@vim.org> parents: 4679 diff changeset	2224 EMIT(c2);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2225 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2226
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2227 case Magic('?'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2228 case Magic('='):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2229 EMIT(NFA_QUEST);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2230 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2231
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2232 case Magic('{'):
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	2233 // a{2,5} will expand to 'aaa?a?a?'
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	2234 // a{-1,3} will expand to 'aa??a??', where ?? is the nongreedy
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	2235 // version of '?'
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	2236 // \v(ab){2,3} will expand to '(ab)(ab)(ab)?', where all the
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	2237 // parenthesis have the same id
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2238
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2239 greedy = TRUE;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2240 c2 = peekchr();
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2241 if (c2 == '-' \|\| c2 == Magic('-'))
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2242 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2243 skipchr();
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2244 greedy = FALSE;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2245 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2246 if (!read_limits(&minval, &maxval))
26966 ac75c145f0a9 patch 8.2.4012: error messages are spread out Bram Moolenaar <Bram@vim.org> parents: 26962 diff changeset	2247 EMSG_RET_FAIL(_(e_nfa_regexp_error_reading_repetition_limits));
4762 47906f888725 updated for version 7.3.1128 Bram Moolenaar <bram@vim.org> parents: 4760 diff changeset	2248
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	2249 // <atom>{0,inf}, <atom>{0,} and <atom>{} are equivalent to
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	2250 // <atom>*
4675 811a4c9b51d8 updated for version 7.3.1085 Bram Moolenaar <bram@vim.org> parents: 4673 diff changeset	2251 if (minval == 0 && maxval == MAX_LIMIT)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2252 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	2253 if (greedy) // { { (match the braces)
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	2254 // \{}, \{0,}
4675 811a4c9b51d8 updated for version 7.3.1085 Bram Moolenaar <bram@vim.org> parents: 4673 diff changeset	2255 EMIT(NFA_STAR);
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	2256 else // { { (match the braces)
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	2257 // \{-}, \{-0,}
4675 811a4c9b51d8 updated for version 7.3.1085 Bram Moolenaar <bram@vim.org> parents: 4673 diff changeset	2258 EMIT(NFA_STAR_NONGREEDY);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2259 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2260 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2261
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	2262 // Special case: x{0} or x{-0}
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2263 if (maxval == 0)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2264 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	2265 // Ignore result of previous call to nfa_regatom()
4651 f10f63aaec5c updated for version 7.3.1073 Bram Moolenaar <bram@vim.org> parents: 4649 diff changeset	2266 post_ptr = post_start + my_post_start;
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	2267 // NFA_EMPTY is 0-length and works everywhere
5370 90e2f0729a0d updated for version 7.4.036 Bram Moolenaar <bram@vim.org> parents: 5360 diff changeset	2268 EMIT(NFA_EMPTY);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2269 return OK;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2270 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2271
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	2272 // The engine is very inefficient (uses too many states) when the
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	2273 // maximum is much larger than the minimum and when the maximum is
23471 a7cdfc8e4b6e patch 8.2.2278: falling back to old regexp engine can some patterns Bram Moolenaar <Bram@vim.org> parents: 23270 diff changeset	2274 // large. However, when maxval is MAX_LIMIT, it is okay, as this
a7cdfc8e4b6e patch 8.2.2278: falling back to old regexp engine can some patterns Bram Moolenaar <Bram@vim.org> parents: 23270 diff changeset	2275 // will emit NFA_STAR.
a7cdfc8e4b6e patch 8.2.2278: falling back to old regexp engine can some patterns Bram Moolenaar <Bram@vim.org> parents: 23270 diff changeset	2276 // Bail out if we can use the other engine, but only, when the
a7cdfc8e4b6e patch 8.2.2278: falling back to old regexp engine can some patterns Bram Moolenaar <Bram@vim.org> parents: 23270 diff changeset	2277 // pattern does not need the NFA engine like (e.g. [[:upper:]]\{2,\}
26771 fc859aea8cec patch 8.2.3914: various spelling mistakes in comments Bram Moolenaar <Bram@vim.org> parents: 26652 diff changeset	2278 // does not work with characters > 8 bit with the BT engine)
6594 3cca9b0cc1a0 updated for version 7.4.623 Bram Moolenaar <bram@vim.org> parents: 6592 diff changeset	2279 if ((nfa_re_flags & RE_AUTO)
23471 a7cdfc8e4b6e patch 8.2.2278: falling back to old regexp engine can some patterns Bram Moolenaar <Bram@vim.org> parents: 23270 diff changeset	2280 && (maxval > 500 \|\| maxval > minval + 200)
a7cdfc8e4b6e patch 8.2.2278: falling back to old regexp engine can some patterns Bram Moolenaar <Bram@vim.org> parents: 23270 diff changeset	2281 && (maxval != MAX_LIMIT && minval < 200)
a7cdfc8e4b6e patch 8.2.2278: falling back to old regexp engine can some patterns Bram Moolenaar <Bram@vim.org> parents: 23270 diff changeset	2282 && !wants_nfa)
6533 bdc8e71633e4 updated for version 7.4.593 Bram Moolenaar <bram@vim.org> parents: 6510 diff changeset	2283 return FAIL;
bdc8e71633e4 updated for version 7.4.593 Bram Moolenaar <bram@vim.org> parents: 6510 diff changeset	2284
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	2285 // Ignore previous call to nfa_regatom()
4651 f10f63aaec5c updated for version 7.3.1073 Bram Moolenaar <bram@vim.org> parents: 4649 diff changeset	2286 post_ptr = post_start + my_post_start;
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	2287 // Save parse state after the repeated atom and the \{}
4679 4d92b873acef updated for version 7.3.1087 Bram Moolenaar <bram@vim.org> parents: 4677 diff changeset	2288 save_parse_state(&new_state);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2289
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2290 quest = (greedy == TRUE? NFA_QUEST : NFA_QUEST_NONGREEDY);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2291 for (i = 0; i < maxval; i++)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2292 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	2293 // Goto beginning of the repeated atom
4679 4d92b873acef updated for version 7.3.1087 Bram Moolenaar <bram@vim.org> parents: 4677 diff changeset	2294 restore_parse_state(&old_state);
4651 f10f63aaec5c updated for version 7.3.1073 Bram Moolenaar <bram@vim.org> parents: 4649 diff changeset	2295 old_post_pos = (int)(post_ptr - post_start);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2296 if (nfa_regatom() == FAIL)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2297 return FAIL;
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	2298 // after "minval" times, atoms are optional
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2299 if (i + 1 > minval)
4673 05d57d7c2d55 updated for version 7.3.1084 Bram Moolenaar <bram@vim.org> parents: 4671 diff changeset	2300 {
05d57d7c2d55 updated for version 7.3.1084 Bram Moolenaar <bram@vim.org> parents: 4671 diff changeset	2301 if (maxval == MAX_LIMIT)
4675 811a4c9b51d8 updated for version 7.3.1085 Bram Moolenaar <bram@vim.org> parents: 4673 diff changeset	2302 {
811a4c9b51d8 updated for version 7.3.1085 Bram Moolenaar <bram@vim.org> parents: 4673 diff changeset	2303 if (greedy)
811a4c9b51d8 updated for version 7.3.1085 Bram Moolenaar <bram@vim.org> parents: 4673 diff changeset	2304 EMIT(NFA_STAR);
811a4c9b51d8 updated for version 7.3.1085 Bram Moolenaar <bram@vim.org> parents: 4673 diff changeset	2305 else
811a4c9b51d8 updated for version 7.3.1085 Bram Moolenaar <bram@vim.org> parents: 4673 diff changeset	2306 EMIT(NFA_STAR_NONGREEDY);
811a4c9b51d8 updated for version 7.3.1085 Bram Moolenaar <bram@vim.org> parents: 4673 diff changeset	2307 }
4673 05d57d7c2d55 updated for version 7.3.1084 Bram Moolenaar <bram@vim.org> parents: 4671 diff changeset	2308 else
05d57d7c2d55 updated for version 7.3.1084 Bram Moolenaar <bram@vim.org> parents: 4671 diff changeset	2309 EMIT(quest);
05d57d7c2d55 updated for version 7.3.1084 Bram Moolenaar <bram@vim.org> parents: 4671 diff changeset	2310 }
4651 f10f63aaec5c updated for version 7.3.1073 Bram Moolenaar <bram@vim.org> parents: 4649 diff changeset	2311 if (old_post_pos != my_post_start)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2312 EMIT(NFA_CONCAT);
4673 05d57d7c2d55 updated for version 7.3.1084 Bram Moolenaar <bram@vim.org> parents: 4671 diff changeset	2313 if (i + 1 > minval && maxval == MAX_LIMIT)
05d57d7c2d55 updated for version 7.3.1084 Bram Moolenaar <bram@vim.org> parents: 4671 diff changeset	2314 break;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2315 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2316
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	2317 // Go to just after the repeated atom and the \{}
4679 4d92b873acef updated for version 7.3.1087 Bram Moolenaar <bram@vim.org> parents: 4677 diff changeset	2318 restore_parse_state(&new_state);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2319 curchr = -1;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2320
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2321 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2322
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2323
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2324 default:
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2325 break;
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	2326 } // end switch
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2327
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2328 if (re_multi_type(peekchr()) != NOT_MULTI)
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	2329 // Can't have a multi follow a multi.
26966 ac75c145f0a9 patch 8.2.4012: error messages are spread out Bram Moolenaar <Bram@vim.org> parents: 26962 diff changeset	2330 EMSG_RET_FAIL(_(e_nfa_regexp_cant_have_multi_follow_multi));
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2331
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2332 return OK;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2333 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2334
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2335 /*
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2336 * Parse one or more pieces, concatenated. It matches a match for the
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2337 * first piece, followed by a match for the second piece, etc. Example:
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2338 * "f[0-9]b", first matches "f", then a digit and then "b".
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2339 *
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2340 * concat ::= piece
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2341 * or piece piece
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2342 * or piece piece piece
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2343 * etc.
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2344 */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2345 static int
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	2346 nfa_regconcat(void)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2347 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2348 int cont = TRUE;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2349 int first = TRUE;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2350
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2351 while (cont)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2352 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2353 switch (peekchr())
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2354 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2355 case NUL:
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2356 case Magic('\|'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2357 case Magic('&'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2358 case Magic(')'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2359 cont = FALSE;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2360 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2361
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2362 case Magic('Z'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2363 regflags \|= RF_ICOMBINE;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2364 skipchr_keepstart();
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2365 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2366 case Magic('c'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2367 regflags \|= RF_ICASE;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2368 skipchr_keepstart();
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2369 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2370 case Magic('C'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2371 regflags \|= RF_NOICASE;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2372 skipchr_keepstart();
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2373 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2374 case Magic('v'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2375 reg_magic = MAGIC_ALL;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2376 skipchr_keepstart();
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2377 curchr = -1;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2378 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2379 case Magic('m'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2380 reg_magic = MAGIC_ON;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2381 skipchr_keepstart();
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2382 curchr = -1;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2383 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2384 case Magic('M'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2385 reg_magic = MAGIC_OFF;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2386 skipchr_keepstart();
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2387 curchr = -1;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2388 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2389 case Magic('V'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2390 reg_magic = MAGIC_NONE;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2391 skipchr_keepstart();
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2392 curchr = -1;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2393 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2394
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2395 default:
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2396 if (nfa_regpiece() == FAIL)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2397 return FAIL;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2398 if (first == FALSE)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2399 EMIT(NFA_CONCAT);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2400 else
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2401 first = FALSE;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2402 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2403 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2404 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2405
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2406 return OK;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2407 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2408
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2409 /*
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2410 * Parse a branch, one or more concats, separated by "\&". It matches the
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2411 * last concat, but only if all the preceding concats also match at the same
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2412 * position. Examples:
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2413 * "foobeep\&..." matches "foo" in "foobeep".
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2414 * ".Peter\&.Bob" matches in a line containing both "Peter" and "Bob"
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2415 *
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2416 * branch ::= concat
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2417 * or concat \& concat
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2418 * or concat \& concat \& concat
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2419 * etc.
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2420 */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2421 static int
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	2422 nfa_regbranch(void)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2423 {
4651 f10f63aaec5c updated for version 7.3.1073 Bram Moolenaar <bram@vim.org> parents: 4649 diff changeset	2424 int old_post_pos;
f10f63aaec5c updated for version 7.3.1073 Bram Moolenaar <bram@vim.org> parents: 4649 diff changeset	2425
f10f63aaec5c updated for version 7.3.1073 Bram Moolenaar <bram@vim.org> parents: 4649 diff changeset	2426 old_post_pos = (int)(post_ptr - post_start);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2427
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	2428 // First branch, possibly the only one
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2429 if (nfa_regconcat() == FAIL)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2430 return FAIL;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2431
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	2432 // Try next concats
13043 307f2622826f patch 8.0.1397: pattern with & following nothing gives an error Christian Brabandt <cb@256bit.org> parents: 12752 diff changeset	2433 while (peekchr() == Magic('&'))
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2434 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2435 skipchr();
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	2436 // if concat is empty do emit a node
13043 307f2622826f patch 8.0.1397: pattern with & following nothing gives an error Christian Brabandt <cb@256bit.org> parents: 12752 diff changeset	2437 if (old_post_pos == (int)(post_ptr - post_start))
307f2622826f patch 8.0.1397: pattern with & following nothing gives an error Christian Brabandt <cb@256bit.org> parents: 12752 diff changeset	2438 EMIT(NFA_EMPTY);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2439 EMIT(NFA_NOPEN);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2440 EMIT(NFA_PREV_ATOM_NO_WIDTH);
4651 f10f63aaec5c updated for version 7.3.1073 Bram Moolenaar <bram@vim.org> parents: 4649 diff changeset	2441 old_post_pos = (int)(post_ptr - post_start);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2442 if (nfa_regconcat() == FAIL)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2443 return FAIL;
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	2444 // if concat is empty do emit a node
4651 f10f63aaec5c updated for version 7.3.1073 Bram Moolenaar <bram@vim.org> parents: 4649 diff changeset	2445 if (old_post_pos == (int)(post_ptr - post_start))
5370 90e2f0729a0d updated for version 7.4.036 Bram Moolenaar <bram@vim.org> parents: 5360 diff changeset	2446 EMIT(NFA_EMPTY);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2447 EMIT(NFA_CONCAT);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2448 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2449
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	2450 // if a branch is empty, emit one node for it
4651 f10f63aaec5c updated for version 7.3.1073 Bram Moolenaar <bram@vim.org> parents: 4649 diff changeset	2451 if (old_post_pos == (int)(post_ptr - post_start))
5370 90e2f0729a0d updated for version 7.4.036 Bram Moolenaar <bram@vim.org> parents: 5360 diff changeset	2452 EMIT(NFA_EMPTY);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2453
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2454 return OK;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2455 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2456
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2457 /*
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2458 * Parse a pattern, one or more branches, separated by "\\|". It matches
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2459 * anything that matches one of the branches. Example: "foo\\|beep" matches
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2460 * "foo" and matches "beep". If more than one branch matches, the first one
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2461 * is used.
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2462 *
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2463 * pattern ::= branch
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2464 * or branch \\| branch
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2465 * or branch \\| branch \\| branch
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2466 * etc.
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2467 */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2468 static int
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	2469 nfa_reg(
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	2470 int paren) // REG_NOPAREN, REG_PAREN, REG_NPAREN or REG_ZPAREN
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2471 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2472 int parno = 0;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2473
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2474 if (paren == REG_PAREN)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2475 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	2476 if (regnpar >= NSUBEXP) // Too many `('
26966 ac75c145f0a9 patch 8.2.4012: error messages are spread out Bram Moolenaar <Bram@vim.org> parents: 26962 diff changeset	2477 EMSG_RET_FAIL(_(e_nfa_regexp_too_many_parens));
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2478 parno = regnpar++;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2479 }
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2480 #ifdef FEAT_SYN_HL
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2481 else if (paren == REG_ZPAREN)
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2482 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	2483 // Make a ZOPEN node.
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2484 if (regnzpar >= NSUBEXP)
26966 ac75c145f0a9 patch 8.2.4012: error messages are spread out Bram Moolenaar <Bram@vim.org> parents: 26962 diff changeset	2485 EMSG_RET_FAIL(_(e_nfa_regexp_too_many_z));
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2486 parno = regnzpar++;
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2487 }
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2488 #endif
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2489
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2490 if (nfa_regbranch() == FAIL)
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	2491 return FAIL; // cascaded error
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2492
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2493 while (peekchr() == Magic('\|'))
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2494 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2495 skipchr();
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2496 if (nfa_regbranch() == FAIL)
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	2497 return FAIL; // cascaded error
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2498 EMIT(NFA_OR);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2499 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2500
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	2501 // Check for proper termination.
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2502 if (paren != REG_NOPAREN && getchr() != Magic(')'))
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2503 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2504 if (paren == REG_NPAREN)
25320 1e6da8364a02 patch 8.2.3197: error messages are spread out Bram Moolenaar <Bram@vim.org> parents: 25306 diff changeset	2505 EMSG2_RET_FAIL(_(e_unmatched_str_percent_open),
1e6da8364a02 patch 8.2.3197: error messages are spread out Bram Moolenaar <Bram@vim.org> parents: 25306 diff changeset	2506 reg_magic == MAGIC_ALL);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2507 else
25320 1e6da8364a02 patch 8.2.3197: error messages are spread out Bram Moolenaar <Bram@vim.org> parents: 25306 diff changeset	2508 EMSG2_RET_FAIL(_(e_unmatched_str_open), reg_magic == MAGIC_ALL);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2509 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2510 else if (paren == REG_NOPAREN && peekchr() != NUL)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2511 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2512 if (peekchr() == Magic(')'))
25320 1e6da8364a02 patch 8.2.3197: error messages are spread out Bram Moolenaar <Bram@vim.org> parents: 25306 diff changeset	2513 EMSG2_RET_FAIL(_(e_unmatched_str_close), reg_magic == MAGIC_ALL);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2514 else
26966 ac75c145f0a9 patch 8.2.4012: error messages are spread out Bram Moolenaar <Bram@vim.org> parents: 26962 diff changeset	2515 EMSG_RET_FAIL(_(e_nfa_regexp_proper_termination_error));
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2516 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2517 /*
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2518 * Here we set the flag allowing back references to this set of
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2519 * parentheses.
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2520 */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2521 if (paren == REG_PAREN)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2522 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	2523 had_endbrace[parno] = TRUE; // have seen the close paren
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2524 EMIT(NFA_MOPEN + parno);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2525 }
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2526 #ifdef FEAT_SYN_HL
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2527 else if (paren == REG_ZPAREN)
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2528 EMIT(NFA_ZOPEN + parno);
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2529 #endif
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2530
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2531 return OK;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2532 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2533
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2534 #ifdef DEBUG
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2535 static char_u code[50];
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2536
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2537 static void
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	2538 nfa_set_code(int c)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2539 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2540 int addnl = FALSE;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2541
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2542 if (c >= NFA_FIRST_NL && c <= NFA_LAST_NL)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2543 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2544 addnl = TRUE;
5296 3e9107b86b68 updated for version 7.4.001 Bram Moolenaar <bram@vim.org> parents: 5255 diff changeset	2545 c -= NFA_ADD_NL;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2546 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2547
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2548 STRCPY(code, "");
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2549 switch (c)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2550 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2551 case NFA_MATCH: STRCPY(code, "NFA_MATCH "); break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2552 case NFA_SPLIT: STRCPY(code, "NFA_SPLIT "); break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2553 case NFA_CONCAT: STRCPY(code, "NFA_CONCAT "); break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2554 case NFA_NEWL: STRCPY(code, "NFA_NEWL "); break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2555 case NFA_ZSTART: STRCPY(code, "NFA_ZSTART"); break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2556 case NFA_ZEND: STRCPY(code, "NFA_ZEND"); break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2557
4571 b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	2558 case NFA_BACKREF1: STRCPY(code, "NFA_BACKREF1"); break;
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	2559 case NFA_BACKREF2: STRCPY(code, "NFA_BACKREF2"); break;
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	2560 case NFA_BACKREF3: STRCPY(code, "NFA_BACKREF3"); break;
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	2561 case NFA_BACKREF4: STRCPY(code, "NFA_BACKREF4"); break;
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	2562 case NFA_BACKREF5: STRCPY(code, "NFA_BACKREF5"); break;
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	2563 case NFA_BACKREF6: STRCPY(code, "NFA_BACKREF6"); break;
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	2564 case NFA_BACKREF7: STRCPY(code, "NFA_BACKREF7"); break;
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	2565 case NFA_BACKREF8: STRCPY(code, "NFA_BACKREF8"); break;
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	2566 case NFA_BACKREF9: STRCPY(code, "NFA_BACKREF9"); break;
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2567 #ifdef FEAT_SYN_HL
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2568 case NFA_ZREF1: STRCPY(code, "NFA_ZREF1"); break;
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2569 case NFA_ZREF2: STRCPY(code, "NFA_ZREF2"); break;
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2570 case NFA_ZREF3: STRCPY(code, "NFA_ZREF3"); break;
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2571 case NFA_ZREF4: STRCPY(code, "NFA_ZREF4"); break;
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2572 case NFA_ZREF5: STRCPY(code, "NFA_ZREF5"); break;
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2573 case NFA_ZREF6: STRCPY(code, "NFA_ZREF6"); break;
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2574 case NFA_ZREF7: STRCPY(code, "NFA_ZREF7"); break;
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2575 case NFA_ZREF8: STRCPY(code, "NFA_ZREF8"); break;
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2576 case NFA_ZREF9: STRCPY(code, "NFA_ZREF9"); break;
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2577 #endif
4571 b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	2578 case NFA_SKIP: STRCPY(code, "NFA_SKIP"); break;
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	2579
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2580 case NFA_PREV_ATOM_NO_WIDTH:
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2581 STRCPY(code, "NFA_PREV_ATOM_NO_WIDTH"); break;
4583 321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	2582 case NFA_PREV_ATOM_NO_WIDTH_NEG:
321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	2583 STRCPY(code, "NFA_PREV_ATOM_NO_WIDTH_NEG"); break;
4682 2f51ee8825db updated for version 7.3.1088 Bram Moolenaar <bram@vim.org> parents: 4679 diff changeset	2584 case NFA_PREV_ATOM_JUST_BEFORE:
2f51ee8825db updated for version 7.3.1088 Bram Moolenaar <bram@vim.org> parents: 4679 diff changeset	2585 STRCPY(code, "NFA_PREV_ATOM_JUST_BEFORE"); break;
2f51ee8825db updated for version 7.3.1088 Bram Moolenaar <bram@vim.org> parents: 4679 diff changeset	2586 case NFA_PREV_ATOM_JUST_BEFORE_NEG:
2f51ee8825db updated for version 7.3.1088 Bram Moolenaar <bram@vim.org> parents: 4679 diff changeset	2587 STRCPY(code, "NFA_PREV_ATOM_JUST_BEFORE_NEG"); break;
4750 7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	2588 case NFA_PREV_ATOM_LIKE_PATTERN:
7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	2589 STRCPY(code, "NFA_PREV_ATOM_LIKE_PATTERN"); break;
7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	2590
4657 93b7ed814bec updated for version 7.3.1076 Bram Moolenaar <bram@vim.org> parents: 4655 diff changeset	2591 case NFA_NOPEN: STRCPY(code, "NFA_NOPEN"); break;
93b7ed814bec updated for version 7.3.1076 Bram Moolenaar <bram@vim.org> parents: 4655 diff changeset	2592 case NFA_NCLOSE: STRCPY(code, "NFA_NCLOSE"); break;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2593 case NFA_START_INVISIBLE: STRCPY(code, "NFA_START_INVISIBLE"); break;
4845 a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	2594 case NFA_START_INVISIBLE_FIRST:
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	2595 STRCPY(code, "NFA_START_INVISIBLE_FIRST"); break;
4785 3b5a023a4543 updated for version 7.3.1139 Bram Moolenaar <bram@vim.org> parents: 4783 diff changeset	2596 case NFA_START_INVISIBLE_NEG:
3b5a023a4543 updated for version 7.3.1139 Bram Moolenaar <bram@vim.org> parents: 4783 diff changeset	2597 STRCPY(code, "NFA_START_INVISIBLE_NEG"); break;
4845 a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	2598 case NFA_START_INVISIBLE_NEG_FIRST:
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	2599 STRCPY(code, "NFA_START_INVISIBLE_NEG_FIRST"); break;
4682 2f51ee8825db updated for version 7.3.1088 Bram Moolenaar <bram@vim.org> parents: 4679 diff changeset	2600 case NFA_START_INVISIBLE_BEFORE:
2f51ee8825db updated for version 7.3.1088 Bram Moolenaar <bram@vim.org> parents: 4679 diff changeset	2601 STRCPY(code, "NFA_START_INVISIBLE_BEFORE"); break;
4845 a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	2602 case NFA_START_INVISIBLE_BEFORE_FIRST:
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	2603 STRCPY(code, "NFA_START_INVISIBLE_BEFORE_FIRST"); break;
4785 3b5a023a4543 updated for version 7.3.1139 Bram Moolenaar <bram@vim.org> parents: 4783 diff changeset	2604 case NFA_START_INVISIBLE_BEFORE_NEG:
3b5a023a4543 updated for version 7.3.1139 Bram Moolenaar <bram@vim.org> parents: 4783 diff changeset	2605 STRCPY(code, "NFA_START_INVISIBLE_BEFORE_NEG"); break;
4845 a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	2606 case NFA_START_INVISIBLE_BEFORE_NEG_FIRST:
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	2607 STRCPY(code, "NFA_START_INVISIBLE_BEFORE_NEG_FIRST"); break;
4750 7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	2608 case NFA_START_PATTERN: STRCPY(code, "NFA_START_PATTERN"); break;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2609 case NFA_END_INVISIBLE: STRCPY(code, "NFA_END_INVISIBLE"); break;
4785 3b5a023a4543 updated for version 7.3.1139 Bram Moolenaar <bram@vim.org> parents: 4783 diff changeset	2610 case NFA_END_INVISIBLE_NEG: STRCPY(code, "NFA_END_INVISIBLE_NEG"); break;
4750 7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	2611 case NFA_END_PATTERN: STRCPY(code, "NFA_END_PATTERN"); break;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2612
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2613 case NFA_COMPOSING: STRCPY(code, "NFA_COMPOSING"); break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2614 case NFA_END_COMPOSING: STRCPY(code, "NFA_END_COMPOSING"); break;
4740 97560c16ca99 updated for version 7.3.1117 Bram Moolenaar <bram@vim.org> parents: 4738 diff changeset	2615 case NFA_OPT_CHARS: STRCPY(code, "NFA_OPT_CHARS"); break;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2616
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2617 case NFA_MOPEN:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2618 case NFA_MOPEN1:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2619 case NFA_MOPEN2:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2620 case NFA_MOPEN3:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2621 case NFA_MOPEN4:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2622 case NFA_MOPEN5:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2623 case NFA_MOPEN6:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2624 case NFA_MOPEN7:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2625 case NFA_MOPEN8:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2626 case NFA_MOPEN9:
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2627 STRCPY(code, "NFA_MOPEN(x)");
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2628 code[10] = c - NFA_MOPEN + '0';
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2629 break;
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2630 case NFA_MCLOSE:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2631 case NFA_MCLOSE1:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2632 case NFA_MCLOSE2:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2633 case NFA_MCLOSE3:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2634 case NFA_MCLOSE4:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2635 case NFA_MCLOSE5:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2636 case NFA_MCLOSE6:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2637 case NFA_MCLOSE7:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2638 case NFA_MCLOSE8:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2639 case NFA_MCLOSE9:
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2640 STRCPY(code, "NFA_MCLOSE(x)");
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2641 code[11] = c - NFA_MCLOSE + '0';
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2642 break;
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2643 #ifdef FEAT_SYN_HL
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2644 case NFA_ZOPEN:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2645 case NFA_ZOPEN1:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2646 case NFA_ZOPEN2:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2647 case NFA_ZOPEN3:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2648 case NFA_ZOPEN4:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2649 case NFA_ZOPEN5:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2650 case NFA_ZOPEN6:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2651 case NFA_ZOPEN7:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2652 case NFA_ZOPEN8:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2653 case NFA_ZOPEN9:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2654 STRCPY(code, "NFA_ZOPEN(x)");
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2655 code[10] = c - NFA_ZOPEN + '0';
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2656 break;
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2657 case NFA_ZCLOSE:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2658 case NFA_ZCLOSE1:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2659 case NFA_ZCLOSE2:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2660 case NFA_ZCLOSE3:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2661 case NFA_ZCLOSE4:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2662 case NFA_ZCLOSE5:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2663 case NFA_ZCLOSE6:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2664 case NFA_ZCLOSE7:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2665 case NFA_ZCLOSE8:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2666 case NFA_ZCLOSE9:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2667 STRCPY(code, "NFA_ZCLOSE(x)");
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2668 code[11] = c - NFA_ZCLOSE + '0';
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2669 break;
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2670 #endif
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2671 case NFA_EOL: STRCPY(code, "NFA_EOL "); break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2672 case NFA_BOL: STRCPY(code, "NFA_BOL "); break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2673 case NFA_EOW: STRCPY(code, "NFA_EOW "); break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2674 case NFA_BOW: STRCPY(code, "NFA_BOW "); break;
4671 b3c59716e700 updated for version 7.3.1083 Bram Moolenaar <bram@vim.org> parents: 4669 diff changeset	2675 case NFA_EOF: STRCPY(code, "NFA_EOF "); break;
b3c59716e700 updated for version 7.3.1083 Bram Moolenaar <bram@vim.org> parents: 4669 diff changeset	2676 case NFA_BOF: STRCPY(code, "NFA_BOF "); break;
4732 0798b096bab3 updated for version 7.3.1113 Bram Moolenaar <bram@vim.org> parents: 4730 diff changeset	2677 case NFA_LNUM: STRCPY(code, "NFA_LNUM "); break;
0798b096bab3 updated for version 7.3.1113 Bram Moolenaar <bram@vim.org> parents: 4730 diff changeset	2678 case NFA_LNUM_GT: STRCPY(code, "NFA_LNUM_GT "); break;
0798b096bab3 updated for version 7.3.1113 Bram Moolenaar <bram@vim.org> parents: 4730 diff changeset	2679 case NFA_LNUM_LT: STRCPY(code, "NFA_LNUM_LT "); break;
0798b096bab3 updated for version 7.3.1113 Bram Moolenaar <bram@vim.org> parents: 4730 diff changeset	2680 case NFA_COL: STRCPY(code, "NFA_COL "); break;
0798b096bab3 updated for version 7.3.1113 Bram Moolenaar <bram@vim.org> parents: 4730 diff changeset	2681 case NFA_COL_GT: STRCPY(code, "NFA_COL_GT "); break;
0798b096bab3 updated for version 7.3.1113 Bram Moolenaar <bram@vim.org> parents: 4730 diff changeset	2682 case NFA_COL_LT: STRCPY(code, "NFA_COL_LT "); break;
0798b096bab3 updated for version 7.3.1113 Bram Moolenaar <bram@vim.org> parents: 4730 diff changeset	2683 case NFA_VCOL: STRCPY(code, "NFA_VCOL "); break;
0798b096bab3 updated for version 7.3.1113 Bram Moolenaar <bram@vim.org> parents: 4730 diff changeset	2684 case NFA_VCOL_GT: STRCPY(code, "NFA_VCOL_GT "); break;
0798b096bab3 updated for version 7.3.1113 Bram Moolenaar <bram@vim.org> parents: 4730 diff changeset	2685 case NFA_VCOL_LT: STRCPY(code, "NFA_VCOL_LT "); break;
0798b096bab3 updated for version 7.3.1113 Bram Moolenaar <bram@vim.org> parents: 4730 diff changeset	2686 case NFA_MARK: STRCPY(code, "NFA_MARK "); break;
0798b096bab3 updated for version 7.3.1113 Bram Moolenaar <bram@vim.org> parents: 4730 diff changeset	2687 case NFA_MARK_GT: STRCPY(code, "NFA_MARK_GT "); break;
0798b096bab3 updated for version 7.3.1113 Bram Moolenaar <bram@vim.org> parents: 4730 diff changeset	2688 case NFA_MARK_LT: STRCPY(code, "NFA_MARK_LT "); break;
0798b096bab3 updated for version 7.3.1113 Bram Moolenaar <bram@vim.org> parents: 4730 diff changeset	2689 case NFA_CURSOR: STRCPY(code, "NFA_CURSOR "); break;
0798b096bab3 updated for version 7.3.1113 Bram Moolenaar <bram@vim.org> parents: 4730 diff changeset	2690 case NFA_VISUAL: STRCPY(code, "NFA_VISUAL "); break;
5901 10fc95f48546 updated for version 7.4.293 Bram Moolenaar <bram@vim.org> parents: 5895 diff changeset	2691 case NFA_ANY_COMPOSING: STRCPY(code, "NFA_ANY_COMPOSING "); break;
4732 0798b096bab3 updated for version 7.3.1113 Bram Moolenaar <bram@vim.org> parents: 4730 diff changeset	2692
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2693 case NFA_STAR: STRCPY(code, "NFA_STAR "); break;
4675 811a4c9b51d8 updated for version 7.3.1085 Bram Moolenaar <bram@vim.org> parents: 4673 diff changeset	2694 case NFA_STAR_NONGREEDY: STRCPY(code, "NFA_STAR_NONGREEDY "); break;
811a4c9b51d8 updated for version 7.3.1085 Bram Moolenaar <bram@vim.org> parents: 4673 diff changeset	2695 case NFA_QUEST: STRCPY(code, "NFA_QUEST"); break;
811a4c9b51d8 updated for version 7.3.1085 Bram Moolenaar <bram@vim.org> parents: 4673 diff changeset	2696 case NFA_QUEST_NONGREEDY: STRCPY(code, "NFA_QUEST_NON_GREEDY"); break;
5370 90e2f0729a0d updated for version 7.4.036 Bram Moolenaar <bram@vim.org> parents: 5360 diff changeset	2697 case NFA_EMPTY: STRCPY(code, "NFA_EMPTY"); break;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2698 case NFA_OR: STRCPY(code, "NFA_OR"); break;
4781 c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	2699
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	2700 case NFA_START_COLL: STRCPY(code, "NFA_START_COLL"); break;
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	2701 case NFA_END_COLL: STRCPY(code, "NFA_END_COLL"); break;
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	2702 case NFA_START_NEG_COLL: STRCPY(code, "NFA_START_NEG_COLL"); break;
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	2703 case NFA_END_NEG_COLL: STRCPY(code, "NFA_END_NEG_COLL"); break;
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	2704 case NFA_RANGE: STRCPY(code, "NFA_RANGE"); break;
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	2705 case NFA_RANGE_MIN: STRCPY(code, "NFA_RANGE_MIN"); break;
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	2706 case NFA_RANGE_MAX: STRCPY(code, "NFA_RANGE_MAX"); break;
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	2707
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2708 case NFA_CLASS_ALNUM: STRCPY(code, "NFA_CLASS_ALNUM"); break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2709 case NFA_CLASS_ALPHA: STRCPY(code, "NFA_CLASS_ALPHA"); break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2710 case NFA_CLASS_BLANK: STRCPY(code, "NFA_CLASS_BLANK"); break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2711 case NFA_CLASS_CNTRL: STRCPY(code, "NFA_CLASS_CNTRL"); break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2712 case NFA_CLASS_DIGIT: STRCPY(code, "NFA_CLASS_DIGIT"); break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2713 case NFA_CLASS_GRAPH: STRCPY(code, "NFA_CLASS_GRAPH"); break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2714 case NFA_CLASS_LOWER: STRCPY(code, "NFA_CLASS_LOWER"); break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2715 case NFA_CLASS_PRINT: STRCPY(code, "NFA_CLASS_PRINT"); break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2716 case NFA_CLASS_PUNCT: STRCPY(code, "NFA_CLASS_PUNCT"); break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2717 case NFA_CLASS_SPACE: STRCPY(code, "NFA_CLASS_SPACE"); break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2718 case NFA_CLASS_UPPER: STRCPY(code, "NFA_CLASS_UPPER"); break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2719 case NFA_CLASS_XDIGIT: STRCPY(code, "NFA_CLASS_XDIGIT"); break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2720 case NFA_CLASS_TAB: STRCPY(code, "NFA_CLASS_TAB"); break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2721 case NFA_CLASS_RETURN: STRCPY(code, "NFA_CLASS_RETURN"); break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2722 case NFA_CLASS_BACKSPACE: STRCPY(code, "NFA_CLASS_BACKSPACE"); break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2723 case NFA_CLASS_ESCAPE: STRCPY(code, "NFA_CLASS_ESCAPE"); break;
15709 2e2f07561f4b patch 8.1.0862: no verbose version of character classes Bram Moolenaar <Bram@vim.org> parents: 15603 diff changeset	2724 case NFA_CLASS_IDENT: STRCPY(code, "NFA_CLASS_IDENT"); break;
2e2f07561f4b patch 8.1.0862: no verbose version of character classes Bram Moolenaar <Bram@vim.org> parents: 15603 diff changeset	2725 case NFA_CLASS_KEYWORD: STRCPY(code, "NFA_CLASS_KEYWORD"); break;
2e2f07561f4b patch 8.1.0862: no verbose version of character classes Bram Moolenaar <Bram@vim.org> parents: 15603 diff changeset	2726 case NFA_CLASS_FNAME: STRCPY(code, "NFA_CLASS_FNAME"); break;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2727
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2728 case NFA_ANY: STRCPY(code, "NFA_ANY"); break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2729 case NFA_IDENT: STRCPY(code, "NFA_IDENT"); break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2730 case NFA_SIDENT:STRCPY(code, "NFA_SIDENT"); break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2731 case NFA_KWORD: STRCPY(code, "NFA_KWORD"); break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2732 case NFA_SKWORD:STRCPY(code, "NFA_SKWORD"); break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2733 case NFA_FNAME: STRCPY(code, "NFA_FNAME"); break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2734 case NFA_SFNAME:STRCPY(code, "NFA_SFNAME"); break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2735 case NFA_PRINT: STRCPY(code, "NFA_PRINT"); break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2736 case NFA_SPRINT:STRCPY(code, "NFA_SPRINT"); break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2737 case NFA_WHITE: STRCPY(code, "NFA_WHITE"); break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2738 case NFA_NWHITE:STRCPY(code, "NFA_NWHITE"); break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2739 case NFA_DIGIT: STRCPY(code, "NFA_DIGIT"); break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2740 case NFA_NDIGIT:STRCPY(code, "NFA_NDIGIT"); break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2741 case NFA_HEX: STRCPY(code, "NFA_HEX"); break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2742 case NFA_NHEX: STRCPY(code, "NFA_NHEX"); break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2743 case NFA_OCTAL: STRCPY(code, "NFA_OCTAL"); break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2744 case NFA_NOCTAL:STRCPY(code, "NFA_NOCTAL"); break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2745 case NFA_WORD: STRCPY(code, "NFA_WORD"); break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2746 case NFA_NWORD: STRCPY(code, "NFA_NWORD"); break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2747 case NFA_HEAD: STRCPY(code, "NFA_HEAD"); break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2748 case NFA_NHEAD: STRCPY(code, "NFA_NHEAD"); break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2749 case NFA_ALPHA: STRCPY(code, "NFA_ALPHA"); break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2750 case NFA_NALPHA:STRCPY(code, "NFA_NALPHA"); break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2751 case NFA_LOWER: STRCPY(code, "NFA_LOWER"); break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2752 case NFA_NLOWER:STRCPY(code, "NFA_NLOWER"); break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2753 case NFA_UPPER: STRCPY(code, "NFA_UPPER"); break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2754 case NFA_NUPPER:STRCPY(code, "NFA_NUPPER"); break;
5296 3e9107b86b68 updated for version 7.4.001 Bram Moolenaar <bram@vim.org> parents: 5255 diff changeset	2755 case NFA_LOWER_IC: STRCPY(code, "NFA_LOWER_IC"); break;
3e9107b86b68 updated for version 7.4.001 Bram Moolenaar <bram@vim.org> parents: 5255 diff changeset	2756 case NFA_NLOWER_IC: STRCPY(code, "NFA_NLOWER_IC"); break;
3e9107b86b68 updated for version 7.4.001 Bram Moolenaar <bram@vim.org> parents: 5255 diff changeset	2757 case NFA_UPPER_IC: STRCPY(code, "NFA_UPPER_IC"); break;
3e9107b86b68 updated for version 7.4.001 Bram Moolenaar <bram@vim.org> parents: 5255 diff changeset	2758 case NFA_NUPPER_IC: STRCPY(code, "NFA_NUPPER_IC"); break;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2759
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2760 default:
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2761 STRCPY(code, "CHAR(x)");
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2762 code[5] = c;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2763 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2764
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2765 if (addnl == TRUE)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2766 STRCAT(code, " + NEWLINE ");
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2767
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2768 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2769
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2770 #ifdef ENABLE_LOG
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2771 static FILE *log_fd;
14145 1cf832945469 patch 8.1.0090: "..." used inconsistently in a message Christian Brabandt <cb@256bit.org> parents: 14121 diff changeset	2772 static char_u e_log_open_failed[] = N_("Could not open temporary log file for writing, displaying on stderr... ");
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2773
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2774 /*
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2775 * Print the postfix notation of the current regexp.
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2776 */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2777 static void
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	2778 nfa_postfix_dump(char_u *expr, int retval)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2779 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2780 int *p;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2781 FILE *f;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2782
4531 1be43c095aff updated for version 7.3.1013 Bram Moolenaar <bram@vim.org> parents: 4529 diff changeset	2783 f = fopen(NFA_REGEXP_DUMP_LOG, "a");
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2784 if (f != NULL)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2785 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2786 fprintf(f, "\n-------------------------\n");
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2787 if (retval == FAIL)
14145 1cf832945469 patch 8.1.0090: "..." used inconsistently in a message Christian Brabandt <cb@256bit.org> parents: 14121 diff changeset	2788 fprintf(f, ">>> NFA engine failed... \n");
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2789 else if (retval == OK)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2790 fprintf(f, ">>> NFA engine succeeded !\n");
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2791 fprintf(f, "Regexp: \"%s\"\nPostfix notation (char): \"", expr);
5255 3c6e2b89875f updated for version 7.4b.004 Bram Moolenaar <bram@vim.org> parents: 5253 diff changeset	2792 for (p = post_start; *p && p < post_ptr; p++)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2793 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2794 nfa_set_code(*p);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2795 fprintf(f, "%s, ", code);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2796 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2797 fprintf(f, "\"\nPostfix notation (int): ");
5255 3c6e2b89875f updated for version 7.4b.004 Bram Moolenaar <bram@vim.org> parents: 5253 diff changeset	2798 for (p = post_start; *p && p < post_ptr; p++)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2799 fprintf(f, "%d ", *p);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2800 fprintf(f, "\n\n");
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2801 fclose(f);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2802 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2803 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2804
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2805 /*
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2806 * Print the NFA starting with a root node "state".
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2807 */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2808 static void
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	2809 nfa_print_state(FILE debugf, nfa_state_T state)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2810 {
4533 6a2005efa02b updated for version 7.3.1014 Bram Moolenaar <bram@vim.org> parents: 4531 diff changeset	2811 garray_T indent;
6a2005efa02b updated for version 7.3.1014 Bram Moolenaar <bram@vim.org> parents: 4531 diff changeset	2812
6a2005efa02b updated for version 7.3.1014 Bram Moolenaar <bram@vim.org> parents: 4531 diff changeset	2813 ga_init2(&indent, 1, 64);
6a2005efa02b updated for version 7.3.1014 Bram Moolenaar <bram@vim.org> parents: 4531 diff changeset	2814 ga_append(&indent, '\0');
6a2005efa02b updated for version 7.3.1014 Bram Moolenaar <bram@vim.org> parents: 4531 diff changeset	2815 nfa_print_state2(debugf, state, &indent);
6a2005efa02b updated for version 7.3.1014 Bram Moolenaar <bram@vim.org> parents: 4531 diff changeset	2816 ga_clear(&indent);
6a2005efa02b updated for version 7.3.1014 Bram Moolenaar <bram@vim.org> parents: 4531 diff changeset	2817 }
6a2005efa02b updated for version 7.3.1014 Bram Moolenaar <bram@vim.org> parents: 4531 diff changeset	2818
6a2005efa02b updated for version 7.3.1014 Bram Moolenaar <bram@vim.org> parents: 4531 diff changeset	2819 static void
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	2820 nfa_print_state2(FILE debugf, nfa_state_T state, garray_T *indent)
4533 6a2005efa02b updated for version 7.3.1014 Bram Moolenaar <bram@vim.org> parents: 4531 diff changeset	2821 {
6a2005efa02b updated for version 7.3.1014 Bram Moolenaar <bram@vim.org> parents: 4531 diff changeset	2822 char_u *p;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2823
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2824 if (state == NULL)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2825 return;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2826
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2827 fprintf(debugf, "(%2d)", abs(state->id));
4533 6a2005efa02b updated for version 7.3.1014 Bram Moolenaar <bram@vim.org> parents: 4531 diff changeset	2828
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	2829 // Output indent
4533 6a2005efa02b updated for version 7.3.1014 Bram Moolenaar <bram@vim.org> parents: 4531 diff changeset	2830 p = (char_u *)indent->ga_data;
6a2005efa02b updated for version 7.3.1014 Bram Moolenaar <bram@vim.org> parents: 4531 diff changeset	2831 if (indent->ga_len >= 3)
6a2005efa02b updated for version 7.3.1014 Bram Moolenaar <bram@vim.org> parents: 4531 diff changeset	2832 {
6a2005efa02b updated for version 7.3.1014 Bram Moolenaar <bram@vim.org> parents: 4531 diff changeset	2833 int last = indent->ga_len - 3;
6a2005efa02b updated for version 7.3.1014 Bram Moolenaar <bram@vim.org> parents: 4531 diff changeset	2834 char_u save[2];
6a2005efa02b updated for version 7.3.1014 Bram Moolenaar <bram@vim.org> parents: 4531 diff changeset	2835
6a2005efa02b updated for version 7.3.1014 Bram Moolenaar <bram@vim.org> parents: 4531 diff changeset	2836 STRNCPY(save, &p[last], 2);
27000 8c0730eca2ce patch 8.2.4029: debugging NFA regexp my crash, cached indent may be wrong Bram Moolenaar <Bram@vim.org> parents: 26966 diff changeset	2837 memcpy(&p[last], "+-", 2);
4533 6a2005efa02b updated for version 7.3.1014 Bram Moolenaar <bram@vim.org> parents: 4531 diff changeset	2838 fprintf(debugf, " %s", p);
6a2005efa02b updated for version 7.3.1014 Bram Moolenaar <bram@vim.org> parents: 4531 diff changeset	2839 STRNCPY(&p[last], save, 2);
6a2005efa02b updated for version 7.3.1014 Bram Moolenaar <bram@vim.org> parents: 4531 diff changeset	2840 }
6a2005efa02b updated for version 7.3.1014 Bram Moolenaar <bram@vim.org> parents: 4531 diff changeset	2841 else
6a2005efa02b updated for version 7.3.1014 Bram Moolenaar <bram@vim.org> parents: 4531 diff changeset	2842 fprintf(debugf, " %s", p);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2843
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2844 nfa_set_code(state->c);
4785 3b5a023a4543 updated for version 7.3.1139 Bram Moolenaar <bram@vim.org> parents: 4783 diff changeset	2845 fprintf(debugf, "%s (%d) (id=%d) val=%d\n",
4781 c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	2846 code,
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	2847 state->c,
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	2848 abs(state->id),
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	2849 state->val);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2850 if (state->id < 0)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2851 return;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2852
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2853 state->id = abs(state->id) * -1;
4533 6a2005efa02b updated for version 7.3.1014 Bram Moolenaar <bram@vim.org> parents: 4531 diff changeset	2854
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	2855 // grow indent for state->out
4533 6a2005efa02b updated for version 7.3.1014 Bram Moolenaar <bram@vim.org> parents: 4531 diff changeset	2856 indent->ga_len -= 1;
6a2005efa02b updated for version 7.3.1014 Bram Moolenaar <bram@vim.org> parents: 4531 diff changeset	2857 if (state->out1)
4537 5cc98a5898cf updated for version 7.3.1016 Bram Moolenaar <bram@vim.org> parents: 4535 diff changeset	2858 ga_concat(indent, (char_u *)"\| ");
4533 6a2005efa02b updated for version 7.3.1014 Bram Moolenaar <bram@vim.org> parents: 4531 diff changeset	2859 else
4537 5cc98a5898cf updated for version 7.3.1016 Bram Moolenaar <bram@vim.org> parents: 4535 diff changeset	2860 ga_concat(indent, (char_u *)" ");
26652 a3f38923c037 patch 8.2.3855: illegal memory access when displaying a blob Bram Moolenaar <Bram@vim.org> parents: 26592 diff changeset	2861 ga_append(indent, NUL);
4533 6a2005efa02b updated for version 7.3.1014 Bram Moolenaar <bram@vim.org> parents: 4531 diff changeset	2862
6a2005efa02b updated for version 7.3.1014 Bram Moolenaar <bram@vim.org> parents: 4531 diff changeset	2863 nfa_print_state2(debugf, state->out, indent);
6a2005efa02b updated for version 7.3.1014 Bram Moolenaar <bram@vim.org> parents: 4531 diff changeset	2864
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	2865 // replace last part of indent for state->out1
4533 6a2005efa02b updated for version 7.3.1014 Bram Moolenaar <bram@vim.org> parents: 4531 diff changeset	2866 indent->ga_len -= 3;
4537 5cc98a5898cf updated for version 7.3.1016 Bram Moolenaar <bram@vim.org> parents: 4535 diff changeset	2867 ga_concat(indent, (char_u *)" ");
26652 a3f38923c037 patch 8.2.3855: illegal memory access when displaying a blob Bram Moolenaar <Bram@vim.org> parents: 26592 diff changeset	2868 ga_append(indent, NUL);
4533 6a2005efa02b updated for version 7.3.1014 Bram Moolenaar <bram@vim.org> parents: 4531 diff changeset	2869
6a2005efa02b updated for version 7.3.1014 Bram Moolenaar <bram@vim.org> parents: 4531 diff changeset	2870 nfa_print_state2(debugf, state->out1, indent);
6a2005efa02b updated for version 7.3.1014 Bram Moolenaar <bram@vim.org> parents: 4531 diff changeset	2871
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	2872 // shrink indent
4533 6a2005efa02b updated for version 7.3.1014 Bram Moolenaar <bram@vim.org> parents: 4531 diff changeset	2873 indent->ga_len -= 3;
26652 a3f38923c037 patch 8.2.3855: illegal memory access when displaying a blob Bram Moolenaar <Bram@vim.org> parents: 26592 diff changeset	2874 ga_append(indent, NUL);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2875 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2876
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2877 /*
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2878 * Print the NFA state machine.
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2879 */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2880 static void
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	2881 nfa_dump(nfa_regprog_T *prog)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2882 {
4531 1be43c095aff updated for version 7.3.1013 Bram Moolenaar <bram@vim.org> parents: 4529 diff changeset	2883 FILE *debugf = fopen(NFA_REGEXP_DUMP_LOG, "a");
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2884
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2885 if (debugf != NULL)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2886 {
4533 6a2005efa02b updated for version 7.3.1014 Bram Moolenaar <bram@vim.org> parents: 4531 diff changeset	2887 nfa_print_state(debugf, prog->start);
4772 03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	2888
4805 66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	2889 if (prog->reganch)
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	2890 fprintf(debugf, "reganch: %d\n", prog->reganch);
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	2891 if (prog->regstart != NUL)
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	2892 fprintf(debugf, "regstart: %c (decimal: %d)\n",
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	2893 prog->regstart, prog->regstart);
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	2894 if (prog->match_text != NULL)
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	2895 fprintf(debugf, "match_text: \"%s\"\n", prog->match_text);
4772 03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	2896
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2897 fclose(debugf);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2898 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2899 }
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	2900 #endif // ENABLE_LOG
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	2901 #endif // DEBUG
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2902
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2903 /*
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2904 * Parse r.e. @expr and convert it into postfix form.
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2905 * Return the postfix string on success, NULL otherwise.
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2906 */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2907 static int *
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	2908 re2post(void)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2909 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2910 if (nfa_reg(REG_NOPAREN) == FAIL)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2911 return NULL;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2912 EMIT(NFA_MOPEN);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2913 return post_start;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2914 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2915
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	2916 // NB. Some of the code below is inspired by Russ's.
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2917
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2918 /*
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2919 * Represents an NFA state plus zero or one or two arrows exiting.
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2920 * if c == MATCH, no arrows out; matching state.
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2921 * If c == SPLIT, unlabeled arrows to out and out1 (if != NULL).
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2922 * If c < 256, labeled arrow with character c to out.
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2923 */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2924
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	2925 static nfa_state_T *state_ptr; // points to nfa_prog->state
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2926
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2927 /*
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2928 * Allocate and initialize nfa_state_T.
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2929 */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2930 static nfa_state_T *
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	2931 alloc_state(int c, nfa_state_T out, nfa_state_T out1)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2932 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2933 nfa_state_T *s;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2934
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2935 if (istate >= nstate)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2936 return NULL;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2937
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2938 s = &state_ptr[istate++];
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2939
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2940 s->c = c;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2941 s->out = out;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2942 s->out1 = out1;
4781 c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	2943 s->val = 0;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2944
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2945 s->id = istate;
4718 ec72bb4a0fc2 updated for version 7.3.1106 Bram Moolenaar <bram@vim.org> parents: 4716 diff changeset	2946 s->lastlist[0] = 0;
ec72bb4a0fc2 updated for version 7.3.1106 Bram Moolenaar <bram@vim.org> parents: 4716 diff changeset	2947 s->lastlist[1] = 0;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2948
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2949 return s;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2950 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2951
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2952 /*
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2953 * A partially built NFA without the matching state filled in.
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2954 * Frag_T.start points at the start state.
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2955 * Frag_T.out is a list of places that need to be set to the
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2956 * next state for this fragment.
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2957 */
4555 b2946c06d1b6 updated for version 7.3.1025 Bram Moolenaar <bram@vim.org> parents: 4553 diff changeset	2958
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	2959 // Since the out pointers in the list are always
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	2960 // uninitialized, we use the pointers themselves
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	2961 // as storage for the Ptrlists.
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2962 typedef union Ptrlist Ptrlist;
4555 b2946c06d1b6 updated for version 7.3.1025 Bram Moolenaar <bram@vim.org> parents: 4553 diff changeset	2963 union Ptrlist
b2946c06d1b6 updated for version 7.3.1025 Bram Moolenaar <bram@vim.org> parents: 4553 diff changeset	2964 {
b2946c06d1b6 updated for version 7.3.1025 Bram Moolenaar <bram@vim.org> parents: 4553 diff changeset	2965 Ptrlist *next;
b2946c06d1b6 updated for version 7.3.1025 Bram Moolenaar <bram@vim.org> parents: 4553 diff changeset	2966 nfa_state_T *s;
b2946c06d1b6 updated for version 7.3.1025 Bram Moolenaar <bram@vim.org> parents: 4553 diff changeset	2967 };
b2946c06d1b6 updated for version 7.3.1025 Bram Moolenaar <bram@vim.org> parents: 4553 diff changeset	2968
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2969 struct Frag
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2970 {
4555 b2946c06d1b6 updated for version 7.3.1025 Bram Moolenaar <bram@vim.org> parents: 4553 diff changeset	2971 nfa_state_T *start;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2972 Ptrlist *out;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2973 };
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2974 typedef struct Frag Frag_T;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2975
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2976 /*
4456 015a8fabf900 updated for version 7.3.976 Bram Moolenaar <bram@vim.org> parents: 4454 diff changeset	2977 * Initialize a Frag_T struct and return it.
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2978 */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2979 static Frag_T
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	2980 frag(nfa_state_T start, Ptrlist out)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2981 {
4456 015a8fabf900 updated for version 7.3.976 Bram Moolenaar <bram@vim.org> parents: 4454 diff changeset	2982 Frag_T n;
015a8fabf900 updated for version 7.3.976 Bram Moolenaar <bram@vim.org> parents: 4454 diff changeset	2983
015a8fabf900 updated for version 7.3.976 Bram Moolenaar <bram@vim.org> parents: 4454 diff changeset	2984 n.start = start;
015a8fabf900 updated for version 7.3.976 Bram Moolenaar <bram@vim.org> parents: 4454 diff changeset	2985 n.out = out;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2986 return n;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2987 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2988
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2989 /*
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2990 * Create singleton list containing just outp.
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2991 */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2992 static Ptrlist *
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	2993 list1(
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	2994 nfa_state_T **outp)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2995 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2996 Ptrlist *l;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2997
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2998 l = (Ptrlist *)outp;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2999 l->next = NULL;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3000 return l;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3001 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3002
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3003 /*
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3004 * Patch the list of states at out to point to start.
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3005 */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3006 static void
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	3007 patch(Ptrlist l, nfa_state_T s)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3008 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3009 Ptrlist *next;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3010
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3011 for (; l; l = next)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3012 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3013 next = l->next;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3014 l->s = s;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3015 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3016 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3017
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3018
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3019 /*
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3020 * Join the two lists l1 and l2, returning the combination.
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3021 */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3022 static Ptrlist *
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	3023 append(Ptrlist l1, Ptrlist l2)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3024 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3025 Ptrlist *oldl1;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3026
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3027 oldl1 = l1;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3028 while (l1->next)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3029 l1 = l1->next;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3030 l1->next = l2;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3031 return oldl1;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3032 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3033
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3034 /*
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3035 * Stack used for transforming postfix form into NFA.
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3036 */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3037 static Frag_T empty;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3038
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3039 static void
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	3040 st_error(int postfix UNUSED, int end UNUSED, int *p UNUSED)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3041 {
4531 1be43c095aff updated for version 7.3.1013 Bram Moolenaar <bram@vim.org> parents: 4529 diff changeset	3042 #ifdef NFA_REGEXP_ERROR_LOG
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3043 FILE *df;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3044 int *p2;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3045
4531 1be43c095aff updated for version 7.3.1013 Bram Moolenaar <bram@vim.org> parents: 4529 diff changeset	3046 df = fopen(NFA_REGEXP_ERROR_LOG, "a");
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3047 if (df)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3048 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3049 fprintf(df, "Error popping the stack!\n");
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	3050 # ifdef DEBUG
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3051 fprintf(df, "Current regexp is \"%s\"\n", nfa_regengine.expr);
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	3052 # endif
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3053 fprintf(df, "Postfix form is: ");
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	3054 # ifdef DEBUG
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3055 for (p2 = postfix; p2 < end; p2++)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3056 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3057 nfa_set_code(*p2);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3058 fprintf(df, "%s, ", code);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3059 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3060 nfa_set_code(*p);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3061 fprintf(df, "\nCurrent position is: ");
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3062 for (p2 = postfix; p2 <= p; p2 ++)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3063 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3064 nfa_set_code(*p2);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3065 fprintf(df, "%s, ", code);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3066 }
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	3067 # else
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3068 for (p2 = postfix; p2 < end; p2++)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3069 fprintf(df, "%d, ", *p2);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3070 fprintf(df, "\nCurrent position is: ");
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3071 for (p2 = postfix; p2 <= p; p2 ++)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3072 fprintf(df, "%d, ", *p2);
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	3073 # endif
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3074 fprintf(df, "\n--------------------------\n");
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3075 fclose(df);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3076 }
4531 1be43c095aff updated for version 7.3.1013 Bram Moolenaar <bram@vim.org> parents: 4529 diff changeset	3077 #endif
26966 ac75c145f0a9 patch 8.2.4012: error messages are spread out Bram Moolenaar <Bram@vim.org> parents: 26962 diff changeset	3078 emsg(_(e_nfa_regexp_could_not_pop_stack));
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3079 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3080
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3081 /*
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3082 * Push an item onto the stack.
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3083 */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3084 static void
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	3085 st_push(Frag_T s, Frag_T *p, Frag_T stack_end)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3086 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3087 Frag_T stackp = p;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3088
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3089 if (stackp >= stack_end)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3090 return;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3091 *stackp = s;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3092 p = p + 1;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3093 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3094
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3095 /*
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3096 * Pop an item from the stack.
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3097 */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3098 static Frag_T
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	3099 st_pop(Frag_T *p, Frag_T stack)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3100 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3101 Frag_T *stackp;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3102
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3103 p = p - 1;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3104 stackp = *p;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3105 if (stackp < stack)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3106 return empty;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3107 return **p;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3108 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3109
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3110 /*
4807 3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3111 * Estimate the maximum byte length of anything matching "state".
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3112 * When unknown or unlimited return -1.
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3113 */
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3114 static int
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	3115 nfa_max_width(nfa_state_T *startstate, int depth)
4807 3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3116 {
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3117 int l, r;
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3118 nfa_state_T *state = startstate;
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3119 int len = 0;
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3120
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3121 // detect looping in a NFA_SPLIT
4807 3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3122 if (depth > 4)
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3123 return -1;
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3124
4958 0a379dea13c9 updated for version 7.3.1224 Bram Moolenaar <bram@vim.org> parents: 4944 diff changeset	3125 while (state != NULL)
4807 3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3126 {
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3127 switch (state->c)
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3128 {
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3129 case NFA_END_INVISIBLE:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3130 case NFA_END_INVISIBLE_NEG:
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3131 // the end, return what we have
4807 3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3132 return len;
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3133
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3134 case NFA_SPLIT:
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3135 // two alternatives, use the maximum
4807 3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3136 l = nfa_max_width(state->out, depth + 1);
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3137 r = nfa_max_width(state->out1, depth + 1);
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3138 if (l < 0 \|\| r < 0)
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3139 return -1;
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3140 return len + (l > r ? l : r);
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3141
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3142 case NFA_ANY:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3143 case NFA_START_COLL:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3144 case NFA_START_NEG_COLL:
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3145 // matches some character, including composing chars
4807 3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3146 if (enc_utf8)
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3147 len += MB_MAXBYTES;
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3148 else if (has_mbyte)
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3149 len += 2;
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3150 else
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3151 ++len;
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3152 if (state->c != NFA_ANY)
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3153 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3154 // skip over the characters
4807 3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3155 state = state->out1->out;
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3156 continue;
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3157 }
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3158 break;
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3159
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3160 case NFA_DIGIT:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3161 case NFA_WHITE:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3162 case NFA_HEX:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3163 case NFA_OCTAL:
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3164 // ascii
4807 3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3165 ++len;
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3166 break;
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3167
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3168 case NFA_IDENT:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3169 case NFA_SIDENT:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3170 case NFA_KWORD:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3171 case NFA_SKWORD:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3172 case NFA_FNAME:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3173 case NFA_SFNAME:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3174 case NFA_PRINT:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3175 case NFA_SPRINT:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3176 case NFA_NWHITE:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3177 case NFA_NDIGIT:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3178 case NFA_NHEX:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3179 case NFA_NOCTAL:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3180 case NFA_WORD:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3181 case NFA_NWORD:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3182 case NFA_HEAD:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3183 case NFA_NHEAD:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3184 case NFA_ALPHA:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3185 case NFA_NALPHA:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3186 case NFA_LOWER:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3187 case NFA_NLOWER:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3188 case NFA_UPPER:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3189 case NFA_NUPPER:
5296 3e9107b86b68 updated for version 7.4.001 Bram Moolenaar <bram@vim.org> parents: 5255 diff changeset	3190 case NFA_LOWER_IC:
3e9107b86b68 updated for version 7.4.001 Bram Moolenaar <bram@vim.org> parents: 5255 diff changeset	3191 case NFA_NLOWER_IC:
3e9107b86b68 updated for version 7.4.001 Bram Moolenaar <bram@vim.org> parents: 5255 diff changeset	3192 case NFA_UPPER_IC:
3e9107b86b68 updated for version 7.4.001 Bram Moolenaar <bram@vim.org> parents: 5255 diff changeset	3193 case NFA_NUPPER_IC:
5901 10fc95f48546 updated for version 7.4.293 Bram Moolenaar <bram@vim.org> parents: 5895 diff changeset	3194 case NFA_ANY_COMPOSING:
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3195 // possibly non-ascii
4807 3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3196 if (has_mbyte)
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3197 len += 3;
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3198 else
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3199 ++len;
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3200 break;
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3201
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3202 case NFA_START_INVISIBLE:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3203 case NFA_START_INVISIBLE_NEG:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3204 case NFA_START_INVISIBLE_BEFORE:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3205 case NFA_START_INVISIBLE_BEFORE_NEG:
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3206 // zero-width, out1 points to the END state
4807 3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3207 state = state->out1->out;
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3208 continue;
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3209
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3210 case NFA_BACKREF1:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3211 case NFA_BACKREF2:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3212 case NFA_BACKREF3:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3213 case NFA_BACKREF4:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3214 case NFA_BACKREF5:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3215 case NFA_BACKREF6:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3216 case NFA_BACKREF7:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3217 case NFA_BACKREF8:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3218 case NFA_BACKREF9:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3219 #ifdef FEAT_SYN_HL
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3220 case NFA_ZREF1:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3221 case NFA_ZREF2:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3222 case NFA_ZREF3:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3223 case NFA_ZREF4:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3224 case NFA_ZREF5:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3225 case NFA_ZREF6:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3226 case NFA_ZREF7:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3227 case NFA_ZREF8:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3228 case NFA_ZREF9:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3229 #endif
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3230 case NFA_NEWL:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3231 case NFA_SKIP:
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3232 // unknown width
4807 3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3233 return -1;
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3234
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3235 case NFA_BOL:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3236 case NFA_EOL:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3237 case NFA_BOF:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3238 case NFA_EOF:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3239 case NFA_BOW:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3240 case NFA_EOW:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3241 case NFA_MOPEN:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3242 case NFA_MOPEN1:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3243 case NFA_MOPEN2:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3244 case NFA_MOPEN3:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3245 case NFA_MOPEN4:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3246 case NFA_MOPEN5:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3247 case NFA_MOPEN6:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3248 case NFA_MOPEN7:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3249 case NFA_MOPEN8:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3250 case NFA_MOPEN9:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3251 #ifdef FEAT_SYN_HL
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3252 case NFA_ZOPEN:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3253 case NFA_ZOPEN1:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3254 case NFA_ZOPEN2:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3255 case NFA_ZOPEN3:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3256 case NFA_ZOPEN4:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3257 case NFA_ZOPEN5:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3258 case NFA_ZOPEN6:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3259 case NFA_ZOPEN7:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3260 case NFA_ZOPEN8:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3261 case NFA_ZOPEN9:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3262 case NFA_ZCLOSE:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3263 case NFA_ZCLOSE1:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3264 case NFA_ZCLOSE2:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3265 case NFA_ZCLOSE3:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3266 case NFA_ZCLOSE4:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3267 case NFA_ZCLOSE5:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3268 case NFA_ZCLOSE6:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3269 case NFA_ZCLOSE7:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3270 case NFA_ZCLOSE8:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3271 case NFA_ZCLOSE9:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3272 #endif
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3273 case NFA_MCLOSE:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3274 case NFA_MCLOSE1:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3275 case NFA_MCLOSE2:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3276 case NFA_MCLOSE3:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3277 case NFA_MCLOSE4:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3278 case NFA_MCLOSE5:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3279 case NFA_MCLOSE6:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3280 case NFA_MCLOSE7:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3281 case NFA_MCLOSE8:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3282 case NFA_MCLOSE9:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3283 case NFA_NOPEN:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3284 case NFA_NCLOSE:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3285
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3286 case NFA_LNUM_GT:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3287 case NFA_LNUM_LT:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3288 case NFA_COL_GT:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3289 case NFA_COL_LT:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3290 case NFA_VCOL_GT:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3291 case NFA_VCOL_LT:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3292 case NFA_MARK_GT:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3293 case NFA_MARK_LT:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3294 case NFA_VISUAL:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3295 case NFA_LNUM:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3296 case NFA_CURSOR:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3297 case NFA_COL:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3298 case NFA_VCOL:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3299 case NFA_MARK:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3300
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3301 case NFA_ZSTART:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3302 case NFA_ZEND:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3303 case NFA_OPT_CHARS:
5370 90e2f0729a0d updated for version 7.4.036 Bram Moolenaar <bram@vim.org> parents: 5360 diff changeset	3304 case NFA_EMPTY:
4807 3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3305 case NFA_START_PATTERN:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3306 case NFA_END_PATTERN:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3307 case NFA_COMPOSING:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3308 case NFA_END_COMPOSING:
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3309 // zero-width
4807 3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3310 break;
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3311
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3312 default:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3313 if (state->c < 0)
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3314 // don't know what this is
4807 3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3315 return -1;
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3316 // normal character
4807 3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3317 len += MB_CHAR2LEN(state->c);
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3318 break;
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3319 }
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3320
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3321 // normal way to continue
4807 3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3322 state = state->out;
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3323 }
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3324
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3325 // unrecognized, "cannot happen"
4807 3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3326 return -1;
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3327 }
4809 4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	3328
4807 3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3329 /*
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3330 * Convert a postfix form into its equivalent NFA.
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3331 * Return the NFA start state on success, NULL otherwise.
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3332 */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3333 static nfa_state_T *
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	3334 post2nfa(int postfix, int end, int nfa_calc_size)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3335 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3336 int *p;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3337 int mopen;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3338 int mclose;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3339 Frag_T *stack = NULL;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3340 Frag_T *stackp = NULL;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3341 Frag_T *stack_end = NULL;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3342 Frag_T e1;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3343 Frag_T e2;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3344 Frag_T e;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3345 nfa_state_T *s;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3346 nfa_state_T *s1;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3347 nfa_state_T *matchstate;
4484 9a1d78f82826 updated for version 7.3.990 Bram Moolenaar <bram@vim.org> parents: 4482 diff changeset	3348 nfa_state_T *ret = NULL;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3349
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3350 if (postfix == NULL)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3351 return NULL;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3352
4456 015a8fabf900 updated for version 7.3.976 Bram Moolenaar <bram@vim.org> parents: 4454 diff changeset	3353 #define PUSH(s) st_push((s), &stackp, stack_end)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3354 #define POP() st_pop(&stackp, stack); \
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3355 if (stackp < stack) \
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3356 { \
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3357 st_error(postfix, end, p); \
6747 4c4c8a53347b patch 7.4.696 Bram Moolenaar <bram@vim.org> parents: 6653 diff changeset	3358 vim_free(stack); \
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3359 return NULL; \
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3360 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3361
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3362 if (nfa_calc_size == FALSE)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3363 {
18498 9e6d5a4abb1c patch 8.1.2243: typos in comments Bram Moolenaar <Bram@vim.org> parents: 16825 diff changeset	3364 // Allocate space for the stack. Max states on the stack: "nstate".
16825 ce04ebdf26b8 patch 8.1.1414: alloc() returning "char_u " causes a lot of type casts Bram Moolenaar <Bram@vim.org>* parents: 16782 diff changeset	3365 stack = ALLOC_MULT(Frag_T, nstate + 1);
15265 a7d02a56b5d5 patch 8.1.0641: no check for out-of-memory when converting regexp Bram Moolenaar <Bram@vim.org> parents: 14354 diff changeset	3366 if (stack == NULL)
a7d02a56b5d5 patch 8.1.0641: no check for out-of-memory when converting regexp Bram Moolenaar <Bram@vim.org> parents: 14354 diff changeset	3367 return NULL;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3368 stackp = stack;
4462 a63361b90979 updated for version 7.3.979 Bram Moolenaar <bram@vim.org> parents: 4460 diff changeset	3369 stack_end = stack + (nstate + 1);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3370 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3371
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3372 for (p = postfix; p < end; ++p)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3373 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3374 switch (*p)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3375 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3376 case NFA_CONCAT:
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3377 // Concatenation.
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3378 // Pay attention: this operator does not exist in the r.e. itself
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3379 // (it is implicit, really). It is added when r.e. is translated
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3380 // to postfix form in re2post().
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3381 if (nfa_calc_size == TRUE)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3382 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3383 // nstate += 0;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3384 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3385 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3386 e2 = POP();
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3387 e1 = POP();
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3388 patch(e1.out, e2.start);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3389 PUSH(frag(e1.start, e2.out));
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3390 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3391
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3392 case NFA_OR:
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3393 // Alternation
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3394 if (nfa_calc_size == TRUE)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3395 {
4458 21e13403140a updated for version 7.3.977 Bram Moolenaar <bram@vim.org> parents: 4456 diff changeset	3396 nstate++;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3397 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3398 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3399 e2 = POP();
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3400 e1 = POP();
4696 ed4e689bbea1 updated for version 7.3.1095 Bram Moolenaar <bram@vim.org> parents: 4694 diff changeset	3401 s = alloc_state(NFA_SPLIT, e1.start, e2.start);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3402 if (s == NULL)
4484 9a1d78f82826 updated for version 7.3.990 Bram Moolenaar <bram@vim.org> parents: 4482 diff changeset	3403 goto theend;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3404 PUSH(frag(s, append(e1.out, e2.out)));
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3405 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3406
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3407 case NFA_STAR:
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3408 // Zero or more, prefer more
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3409 if (nfa_calc_size == TRUE)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3410 {
4458 21e13403140a updated for version 7.3.977 Bram Moolenaar <bram@vim.org> parents: 4456 diff changeset	3411 nstate++;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3412 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3413 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3414 e = POP();
4696 ed4e689bbea1 updated for version 7.3.1095 Bram Moolenaar <bram@vim.org> parents: 4694 diff changeset	3415 s = alloc_state(NFA_SPLIT, e.start, NULL);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3416 if (s == NULL)
4484 9a1d78f82826 updated for version 7.3.990 Bram Moolenaar <bram@vim.org> parents: 4482 diff changeset	3417 goto theend;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3418 patch(e.out, s);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3419 PUSH(frag(s, list1(&s->out1)));
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3420 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3421
4675 811a4c9b51d8 updated for version 7.3.1085 Bram Moolenaar <bram@vim.org> parents: 4673 diff changeset	3422 case NFA_STAR_NONGREEDY:
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3423 // Zero or more, prefer zero
4675 811a4c9b51d8 updated for version 7.3.1085 Bram Moolenaar <bram@vim.org> parents: 4673 diff changeset	3424 if (nfa_calc_size == TRUE)
811a4c9b51d8 updated for version 7.3.1085 Bram Moolenaar <bram@vim.org> parents: 4673 diff changeset	3425 {
811a4c9b51d8 updated for version 7.3.1085 Bram Moolenaar <bram@vim.org> parents: 4673 diff changeset	3426 nstate++;
811a4c9b51d8 updated for version 7.3.1085 Bram Moolenaar <bram@vim.org> parents: 4673 diff changeset	3427 break;
811a4c9b51d8 updated for version 7.3.1085 Bram Moolenaar <bram@vim.org> parents: 4673 diff changeset	3428 }
811a4c9b51d8 updated for version 7.3.1085 Bram Moolenaar <bram@vim.org> parents: 4673 diff changeset	3429 e = POP();
4696 ed4e689bbea1 updated for version 7.3.1095 Bram Moolenaar <bram@vim.org> parents: 4694 diff changeset	3430 s = alloc_state(NFA_SPLIT, NULL, e.start);
4675 811a4c9b51d8 updated for version 7.3.1085 Bram Moolenaar <bram@vim.org> parents: 4673 diff changeset	3431 if (s == NULL)
811a4c9b51d8 updated for version 7.3.1085 Bram Moolenaar <bram@vim.org> parents: 4673 diff changeset	3432 goto theend;
811a4c9b51d8 updated for version 7.3.1085 Bram Moolenaar <bram@vim.org> parents: 4673 diff changeset	3433 patch(e.out, s);
811a4c9b51d8 updated for version 7.3.1085 Bram Moolenaar <bram@vim.org> parents: 4673 diff changeset	3434 PUSH(frag(s, list1(&s->out)));
811a4c9b51d8 updated for version 7.3.1085 Bram Moolenaar <bram@vim.org> parents: 4673 diff changeset	3435 break;
811a4c9b51d8 updated for version 7.3.1085 Bram Moolenaar <bram@vim.org> parents: 4673 diff changeset	3436
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3437 case NFA_QUEST:
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3438 // one or zero atoms=> greedy match
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3439 if (nfa_calc_size == TRUE)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3440 {
4458 21e13403140a updated for version 7.3.977 Bram Moolenaar <bram@vim.org> parents: 4456 diff changeset	3441 nstate++;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3442 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3443 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3444 e = POP();
4696 ed4e689bbea1 updated for version 7.3.1095 Bram Moolenaar <bram@vim.org> parents: 4694 diff changeset	3445 s = alloc_state(NFA_SPLIT, e.start, NULL);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3446 if (s == NULL)
4484 9a1d78f82826 updated for version 7.3.990 Bram Moolenaar <bram@vim.org> parents: 4482 diff changeset	3447 goto theend;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3448 PUSH(frag(s, append(e.out, list1(&s->out1))));
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3449 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3450
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3451 case NFA_QUEST_NONGREEDY:
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3452 // zero or one atoms => non-greedy match
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3453 if (nfa_calc_size == TRUE)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3454 {
4458 21e13403140a updated for version 7.3.977 Bram Moolenaar <bram@vim.org> parents: 4456 diff changeset	3455 nstate++;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3456 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3457 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3458 e = POP();
4696 ed4e689bbea1 updated for version 7.3.1095 Bram Moolenaar <bram@vim.org> parents: 4694 diff changeset	3459 s = alloc_state(NFA_SPLIT, NULL, e.start);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3460 if (s == NULL)
4484 9a1d78f82826 updated for version 7.3.990 Bram Moolenaar <bram@vim.org> parents: 4482 diff changeset	3461 goto theend;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3462 PUSH(frag(s, append(e.out, list1(&s->out))));
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3463 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3464
4781 c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	3465 case NFA_END_COLL:
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	3466 case NFA_END_NEG_COLL:
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3467 // On the stack is the sequence starting with NFA_START_COLL or
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3468 // NFA_START_NEG_COLL and all possible characters. Patch it to
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3469 // add the output to the start.
4781 c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	3470 if (nfa_calc_size == TRUE)
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	3471 {
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	3472 nstate++;
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	3473 break;
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	3474 }
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	3475 e = POP();
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	3476 s = alloc_state(NFA_END_COLL, NULL, NULL);
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	3477 if (s == NULL)
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	3478 goto theend;
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	3479 patch(e.out, s);
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	3480 e.start->out1 = s;
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	3481 PUSH(frag(e.start, list1(&s->out)));
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	3482 break;
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	3483
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	3484 case NFA_RANGE:
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3485 // Before this are two characters, the low and high end of a
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3486 // range. Turn them into two states with MIN and MAX.
4781 c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	3487 if (nfa_calc_size == TRUE)
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	3488 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3489 // nstate += 0;
4781 c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	3490 break;
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	3491 }
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	3492 e2 = POP();
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	3493 e1 = POP();
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	3494 e2.start->val = e2.start->c;
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	3495 e2.start->c = NFA_RANGE_MAX;
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	3496 e1.start->val = e1.start->c;
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	3497 e1.start->c = NFA_RANGE_MIN;
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	3498 patch(e1.out, e2.start);
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	3499 PUSH(frag(e1.start, e2.out));
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	3500 break;
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	3501
5370 90e2f0729a0d updated for version 7.4.036 Bram Moolenaar <bram@vim.org> parents: 5360 diff changeset	3502 case NFA_EMPTY:
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3503 // 0-length, used in a repetition with max/min count of 0
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3504 if (nfa_calc_size == TRUE)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3505 {
4458 21e13403140a updated for version 7.3.977 Bram Moolenaar <bram@vim.org> parents: 4456 diff changeset	3506 nstate++;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3507 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3508 }
5370 90e2f0729a0d updated for version 7.4.036 Bram Moolenaar <bram@vim.org> parents: 5360 diff changeset	3509 s = alloc_state(NFA_EMPTY, NULL, NULL);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3510 if (s == NULL)
4484 9a1d78f82826 updated for version 7.3.990 Bram Moolenaar <bram@vim.org> parents: 4482 diff changeset	3511 goto theend;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3512 PUSH(frag(s, list1(&s->out)));
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3513 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3514
4740 97560c16ca99 updated for version 7.3.1117 Bram Moolenaar <bram@vim.org> parents: 4738 diff changeset	3515 case NFA_OPT_CHARS:
97560c16ca99 updated for version 7.3.1117 Bram Moolenaar <bram@vim.org> parents: 4738 diff changeset	3516 {
97560c16ca99 updated for version 7.3.1117 Bram Moolenaar <bram@vim.org> parents: 4738 diff changeset	3517 int n;
97560c16ca99 updated for version 7.3.1117 Bram Moolenaar <bram@vim.org> parents: 4738 diff changeset	3518
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3519 // \%[abc] implemented as:
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3520 // NFA_SPLIT
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3521 // +-CHAR(a)
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3522 // \| +-NFA_SPLIT
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3523 // \| +-CHAR(b)
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3524 // \| \| +-NFA_SPLIT
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3525 // \| \| +-CHAR(c)
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3526 // \| \| \| +-next
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3527 // \| \| +- next
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3528 // \| +- next
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3529 // +- next
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3530 n = *++p; // get number of characters
4740 97560c16ca99 updated for version 7.3.1117 Bram Moolenaar <bram@vim.org> parents: 4738 diff changeset	3531 if (nfa_calc_size == TRUE)
97560c16ca99 updated for version 7.3.1117 Bram Moolenaar <bram@vim.org> parents: 4738 diff changeset	3532 {
97560c16ca99 updated for version 7.3.1117 Bram Moolenaar <bram@vim.org> parents: 4738 diff changeset	3533 nstate += n;
97560c16ca99 updated for version 7.3.1117 Bram Moolenaar <bram@vim.org> parents: 4738 diff changeset	3534 break;
97560c16ca99 updated for version 7.3.1117 Bram Moolenaar <bram@vim.org> parents: 4738 diff changeset	3535 }
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3536 s = NULL; // avoid compiler warning
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3537 e1.out = NULL; // stores list with out1's
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3538 s1 = NULL; // previous NFA_SPLIT to connect to
4740 97560c16ca99 updated for version 7.3.1117 Bram Moolenaar <bram@vim.org> parents: 4738 diff changeset	3539 while (n-- > 0)
97560c16ca99 updated for version 7.3.1117 Bram Moolenaar <bram@vim.org> parents: 4738 diff changeset	3540 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3541 e = POP(); // get character
4740 97560c16ca99 updated for version 7.3.1117 Bram Moolenaar <bram@vim.org> parents: 4738 diff changeset	3542 s = alloc_state(NFA_SPLIT, e.start, NULL);
97560c16ca99 updated for version 7.3.1117 Bram Moolenaar <bram@vim.org> parents: 4738 diff changeset	3543 if (s == NULL)
97560c16ca99 updated for version 7.3.1117 Bram Moolenaar <bram@vim.org> parents: 4738 diff changeset	3544 goto theend;
97560c16ca99 updated for version 7.3.1117 Bram Moolenaar <bram@vim.org> parents: 4738 diff changeset	3545 if (e1.out == NULL)
97560c16ca99 updated for version 7.3.1117 Bram Moolenaar <bram@vim.org> parents: 4738 diff changeset	3546 e1 = e;
97560c16ca99 updated for version 7.3.1117 Bram Moolenaar <bram@vim.org> parents: 4738 diff changeset	3547 patch(e.out, s1);
97560c16ca99 updated for version 7.3.1117 Bram Moolenaar <bram@vim.org> parents: 4738 diff changeset	3548 append(e1.out, list1(&s->out1));
97560c16ca99 updated for version 7.3.1117 Bram Moolenaar <bram@vim.org> parents: 4738 diff changeset	3549 s1 = s;
97560c16ca99 updated for version 7.3.1117 Bram Moolenaar <bram@vim.org> parents: 4738 diff changeset	3550 }
97560c16ca99 updated for version 7.3.1117 Bram Moolenaar <bram@vim.org> parents: 4738 diff changeset	3551 PUSH(frag(s, e1.out));
97560c16ca99 updated for version 7.3.1117 Bram Moolenaar <bram@vim.org> parents: 4738 diff changeset	3552 break;
97560c16ca99 updated for version 7.3.1117 Bram Moolenaar <bram@vim.org> parents: 4738 diff changeset	3553 }
97560c16ca99 updated for version 7.3.1117 Bram Moolenaar <bram@vim.org> parents: 4738 diff changeset	3554
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3555 case NFA_PREV_ATOM_NO_WIDTH:
4661 0dce3d812e7a updated for version 7.3.1078 Bram Moolenaar <bram@vim.org> parents: 4657 diff changeset	3556 case NFA_PREV_ATOM_NO_WIDTH_NEG:
4682 2f51ee8825db updated for version 7.3.1088 Bram Moolenaar <bram@vim.org> parents: 4679 diff changeset	3557 case NFA_PREV_ATOM_JUST_BEFORE:
2f51ee8825db updated for version 7.3.1088 Bram Moolenaar <bram@vim.org> parents: 4679 diff changeset	3558 case NFA_PREV_ATOM_JUST_BEFORE_NEG:
4750 7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	3559 case NFA_PREV_ATOM_LIKE_PATTERN:
4740 97560c16ca99 updated for version 7.3.1117 Bram Moolenaar <bram@vim.org> parents: 4738 diff changeset	3560 {
97560c16ca99 updated for version 7.3.1117 Bram Moolenaar <bram@vim.org> parents: 4738 diff changeset	3561 int before = (*p == NFA_PREV_ATOM_JUST_BEFORE
97560c16ca99 updated for version 7.3.1117 Bram Moolenaar <bram@vim.org> parents: 4738 diff changeset	3562 \|\| *p == NFA_PREV_ATOM_JUST_BEFORE_NEG);
4750 7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	3563 int pattern = (*p == NFA_PREV_ATOM_LIKE_PATTERN);
4785 3b5a023a4543 updated for version 7.3.1139 Bram Moolenaar <bram@vim.org> parents: 4783 diff changeset	3564 int start_state;
3b5a023a4543 updated for version 7.3.1139 Bram Moolenaar <bram@vim.org> parents: 4783 diff changeset	3565 int end_state;
4750 7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	3566 int n = 0;
7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	3567 nfa_state_T *zend;
7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	3568 nfa_state_T *skip;
7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	3569
4785 3b5a023a4543 updated for version 7.3.1139 Bram Moolenaar <bram@vim.org> parents: 4783 diff changeset	3570 switch (*p)
4750 7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	3571 {
4785 3b5a023a4543 updated for version 7.3.1139 Bram Moolenaar <bram@vim.org> parents: 4783 diff changeset	3572 case NFA_PREV_ATOM_NO_WIDTH:
3b5a023a4543 updated for version 7.3.1139 Bram Moolenaar <bram@vim.org> parents: 4783 diff changeset	3573 start_state = NFA_START_INVISIBLE;
3b5a023a4543 updated for version 7.3.1139 Bram Moolenaar <bram@vim.org> parents: 4783 diff changeset	3574 end_state = NFA_END_INVISIBLE;
3b5a023a4543 updated for version 7.3.1139 Bram Moolenaar <bram@vim.org> parents: 4783 diff changeset	3575 break;
3b5a023a4543 updated for version 7.3.1139 Bram Moolenaar <bram@vim.org> parents: 4783 diff changeset	3576 case NFA_PREV_ATOM_NO_WIDTH_NEG:
3b5a023a4543 updated for version 7.3.1139 Bram Moolenaar <bram@vim.org> parents: 4783 diff changeset	3577 start_state = NFA_START_INVISIBLE_NEG;
3b5a023a4543 updated for version 7.3.1139 Bram Moolenaar <bram@vim.org> parents: 4783 diff changeset	3578 end_state = NFA_END_INVISIBLE_NEG;
3b5a023a4543 updated for version 7.3.1139 Bram Moolenaar <bram@vim.org> parents: 4783 diff changeset	3579 break;
3b5a023a4543 updated for version 7.3.1139 Bram Moolenaar <bram@vim.org> parents: 4783 diff changeset	3580 case NFA_PREV_ATOM_JUST_BEFORE:
3b5a023a4543 updated for version 7.3.1139 Bram Moolenaar <bram@vim.org> parents: 4783 diff changeset	3581 start_state = NFA_START_INVISIBLE_BEFORE;
3b5a023a4543 updated for version 7.3.1139 Bram Moolenaar <bram@vim.org> parents: 4783 diff changeset	3582 end_state = NFA_END_INVISIBLE;
3b5a023a4543 updated for version 7.3.1139 Bram Moolenaar <bram@vim.org> parents: 4783 diff changeset	3583 break;
3b5a023a4543 updated for version 7.3.1139 Bram Moolenaar <bram@vim.org> parents: 4783 diff changeset	3584 case NFA_PREV_ATOM_JUST_BEFORE_NEG:
3b5a023a4543 updated for version 7.3.1139 Bram Moolenaar <bram@vim.org> parents: 4783 diff changeset	3585 start_state = NFA_START_INVISIBLE_BEFORE_NEG;
3b5a023a4543 updated for version 7.3.1139 Bram Moolenaar <bram@vim.org> parents: 4783 diff changeset	3586 end_state = NFA_END_INVISIBLE_NEG;
3b5a023a4543 updated for version 7.3.1139 Bram Moolenaar <bram@vim.org> parents: 4783 diff changeset	3587 break;
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3588 default: // NFA_PREV_ATOM_LIKE_PATTERN:
4785 3b5a023a4543 updated for version 7.3.1139 Bram Moolenaar <bram@vim.org> parents: 4783 diff changeset	3589 start_state = NFA_START_PATTERN;
3b5a023a4543 updated for version 7.3.1139 Bram Moolenaar <bram@vim.org> parents: 4783 diff changeset	3590 end_state = NFA_END_PATTERN;
3b5a023a4543 updated for version 7.3.1139 Bram Moolenaar <bram@vim.org> parents: 4783 diff changeset	3591 break;
4750 7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	3592 }
4740 97560c16ca99 updated for version 7.3.1117 Bram Moolenaar <bram@vim.org> parents: 4738 diff changeset	3593
97560c16ca99 updated for version 7.3.1117 Bram Moolenaar <bram@vim.org> parents: 4738 diff changeset	3594 if (before)
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3595 n = *++p; // get the count
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3596
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3597 // The \@= operator: match the preceding atom with zero width.
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3598 // The \@! operator: no match for the preceding atom.
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3599 // The \@<= operator: match for the preceding atom.
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3600 // The \@<! operator: no match for the preceding atom.
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3601 // Surrounds the preceding atom with START_INVISIBLE and
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3602 // END_INVISIBLE, similarly to MOPEN.
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3603
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3604 if (nfa_calc_size == TRUE)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3605 {
4750 7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	3606 nstate += pattern ? 4 : 2;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3607 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3608 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3609 e = POP();
4750 7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	3610 s1 = alloc_state(end_state, NULL, NULL);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3611 if (s1 == NULL)
4484 9a1d78f82826 updated for version 7.3.990 Bram Moolenaar <bram@vim.org> parents: 4482 diff changeset	3612 goto theend;
4750 7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	3613
7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	3614 s = alloc_state(start_state, e.start, s1);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3615 if (s == NULL)
4484 9a1d78f82826 updated for version 7.3.990 Bram Moolenaar <bram@vim.org> parents: 4482 diff changeset	3616 goto theend;
4750 7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	3617 if (pattern)
4682 2f51ee8825db updated for version 7.3.1088 Bram Moolenaar <bram@vim.org> parents: 4679 diff changeset	3618 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3619 // NFA_ZEND -> NFA_END_PATTERN -> NFA_SKIP -> what follows.
4750 7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	3620 skip = alloc_state(NFA_SKIP, NULL, NULL);
11896 a941848d8c44 patch 8.0.0828: Coverity: may dereference NULL pointer Christian Brabandt <cb@256bit.org> parents: 11525 diff changeset	3621 if (skip == NULL)
a941848d8c44 patch 8.0.0828: Coverity: may dereference NULL pointer Christian Brabandt <cb@256bit.org> parents: 11525 diff changeset	3622 goto theend;
4750 7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	3623 zend = alloc_state(NFA_ZEND, s1, NULL);
11896 a941848d8c44 patch 8.0.0828: Coverity: may dereference NULL pointer Christian Brabandt <cb@256bit.org> parents: 11525 diff changeset	3624 if (zend == NULL)
a941848d8c44 patch 8.0.0828: Coverity: may dereference NULL pointer Christian Brabandt <cb@256bit.org> parents: 11525 diff changeset	3625 goto theend;
4750 7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	3626 s1->out= skip;
7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	3627 patch(e.out, zend);
7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	3628 PUSH(frag(s, list1(&skip->out)));
4682 2f51ee8825db updated for version 7.3.1088 Bram Moolenaar <bram@vim.org> parents: 4679 diff changeset	3629 }
4750 7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	3630 else
7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	3631 {
7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	3632 patch(e.out, s1);
7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	3633 PUSH(frag(s, list1(&s1->out)));
4807 3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3634 if (before)
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3635 {
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3636 if (n <= 0)
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3637 // See if we can guess the maximum width, it avoids a
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3638 // lot of pointless tries.
4807 3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3639 n = nfa_max_width(e.start, 0);
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3640 s->val = n; // store the count
4807 3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3641 }
4750 7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	3642 }
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3643 break;
4740 97560c16ca99 updated for version 7.3.1117 Bram Moolenaar <bram@vim.org> parents: 4738 diff changeset	3644 }
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3645
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3646 case NFA_COMPOSING: // char with composing char
4527 55bcaa1d2749 updated for version 7.3.1011 Bram Moolenaar <bram@vim.org> parents: 4525 diff changeset	3647 #if 0
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3648 // TODO
4527 55bcaa1d2749 updated for version 7.3.1011 Bram Moolenaar <bram@vim.org> parents: 4525 diff changeset	3649 if (regflags & RF_ICOMBINE)
55bcaa1d2749 updated for version 7.3.1011 Bram Moolenaar <bram@vim.org> parents: 4525 diff changeset	3650 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3651 // use the base character only
4527 55bcaa1d2749 updated for version 7.3.1011 Bram Moolenaar <bram@vim.org> parents: 4525 diff changeset	3652 }
55bcaa1d2749 updated for version 7.3.1011 Bram Moolenaar <bram@vim.org> parents: 4525 diff changeset	3653 #endif
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3654 // FALLTHROUGH
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3655
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3656 case NFA_MOPEN: // Submatch
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3657 case NFA_MOPEN1:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3658 case NFA_MOPEN2:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3659 case NFA_MOPEN3:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3660 case NFA_MOPEN4:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3661 case NFA_MOPEN5:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3662 case NFA_MOPEN6:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3663 case NFA_MOPEN7:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3664 case NFA_MOPEN8:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3665 case NFA_MOPEN9:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3666 #ifdef FEAT_SYN_HL
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3667 case NFA_ZOPEN: // \z( \) Submatch
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3668 case NFA_ZOPEN1:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3669 case NFA_ZOPEN2:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3670 case NFA_ZOPEN3:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3671 case NFA_ZOPEN4:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3672 case NFA_ZOPEN5:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3673 case NFA_ZOPEN6:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3674 case NFA_ZOPEN7:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3675 case NFA_ZOPEN8:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3676 case NFA_ZOPEN9:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3677 #endif
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3678 case NFA_NOPEN: // \%( \) "Invisible Submatch"
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3679 if (nfa_calc_size == TRUE)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3680 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3681 nstate += 2;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3682 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3683 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3684
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3685 mopen = *p;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3686 switch (*p)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3687 {
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3688 case NFA_NOPEN: mclose = NFA_NCLOSE; break;
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3689 #ifdef FEAT_SYN_HL
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3690 case NFA_ZOPEN: mclose = NFA_ZCLOSE; break;
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3691 case NFA_ZOPEN1: mclose = NFA_ZCLOSE1; break;
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3692 case NFA_ZOPEN2: mclose = NFA_ZCLOSE2; break;
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3693 case NFA_ZOPEN3: mclose = NFA_ZCLOSE3; break;
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3694 case NFA_ZOPEN4: mclose = NFA_ZCLOSE4; break;
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3695 case NFA_ZOPEN5: mclose = NFA_ZCLOSE5; break;
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3696 case NFA_ZOPEN6: mclose = NFA_ZCLOSE6; break;
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3697 case NFA_ZOPEN7: mclose = NFA_ZCLOSE7; break;
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3698 case NFA_ZOPEN8: mclose = NFA_ZCLOSE8; break;
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3699 case NFA_ZOPEN9: mclose = NFA_ZCLOSE9; break;
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3700 #endif
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3701 case NFA_COMPOSING: mclose = NFA_END_COMPOSING; break;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3702 default:
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3703 // NFA_MOPEN, NFA_MOPEN1 .. NFA_MOPEN9
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3704 mclose = *p + NSUBEXP;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3705 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3706 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3707
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3708 // Allow "NFA_MOPEN" as a valid postfix representation for
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3709 // the empty regexp "". In this case, the NFA will be
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3710 // NFA_MOPEN -> NFA_MCLOSE. Note that this also allows
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3711 // empty groups of parenthesis, and empty mbyte chars
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3712 if (stackp == stack)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3713 {
4696 ed4e689bbea1 updated for version 7.3.1095 Bram Moolenaar <bram@vim.org> parents: 4694 diff changeset	3714 s = alloc_state(mopen, NULL, NULL);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3715 if (s == NULL)
4484 9a1d78f82826 updated for version 7.3.990 Bram Moolenaar <bram@vim.org> parents: 4482 diff changeset	3716 goto theend;
4696 ed4e689bbea1 updated for version 7.3.1095 Bram Moolenaar <bram@vim.org> parents: 4694 diff changeset	3717 s1 = alloc_state(mclose, NULL, NULL);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3718 if (s1 == NULL)
4484 9a1d78f82826 updated for version 7.3.990 Bram Moolenaar <bram@vim.org> parents: 4482 diff changeset	3719 goto theend;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3720 patch(list1(&s->out), s1);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3721 PUSH(frag(s, list1(&s1->out)));
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3722 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3723 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3724
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3725 // At least one node was emitted before NFA_MOPEN, so
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3726 // at least one node will be between NFA_MOPEN and NFA_MCLOSE
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3727 e = POP();
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3728 s = alloc_state(mopen, e.start, NULL); // `('
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3729 if (s == NULL)
4484 9a1d78f82826 updated for version 7.3.990 Bram Moolenaar <bram@vim.org> parents: 4482 diff changeset	3730 goto theend;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3731
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3732 s1 = alloc_state(mclose, NULL, NULL); // `)'
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3733 if (s1 == NULL)
4484 9a1d78f82826 updated for version 7.3.990 Bram Moolenaar <bram@vim.org> parents: 4482 diff changeset	3734 goto theend;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3735 patch(e.out, s1);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3736
4527 55bcaa1d2749 updated for version 7.3.1011 Bram Moolenaar <bram@vim.org> parents: 4525 diff changeset	3737 if (mopen == NFA_COMPOSING)
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3738 // COMPOSING->out1 = END_COMPOSING
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3739 patch(list1(&s->out1), s1);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3740
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3741 PUSH(frag(s, list1(&s1->out)));
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3742 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3743
4571 b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	3744 case NFA_BACKREF1:
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	3745 case NFA_BACKREF2:
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	3746 case NFA_BACKREF3:
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	3747 case NFA_BACKREF4:
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	3748 case NFA_BACKREF5:
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	3749 case NFA_BACKREF6:
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	3750 case NFA_BACKREF7:
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	3751 case NFA_BACKREF8:
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	3752 case NFA_BACKREF9:
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3753 #ifdef FEAT_SYN_HL
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3754 case NFA_ZREF1:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3755 case NFA_ZREF2:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3756 case NFA_ZREF3:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3757 case NFA_ZREF4:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3758 case NFA_ZREF5:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3759 case NFA_ZREF6:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3760 case NFA_ZREF7:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3761 case NFA_ZREF8:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3762 case NFA_ZREF9:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3763 #endif
4571 b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	3764 if (nfa_calc_size == TRUE)
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	3765 {
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	3766 nstate += 2;
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	3767 break;
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	3768 }
4696 ed4e689bbea1 updated for version 7.3.1095 Bram Moolenaar <bram@vim.org> parents: 4694 diff changeset	3769 s = alloc_state(*p, NULL, NULL);
4571 b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	3770 if (s == NULL)
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	3771 goto theend;
4696 ed4e689bbea1 updated for version 7.3.1095 Bram Moolenaar <bram@vim.org> parents: 4694 diff changeset	3772 s1 = alloc_state(NFA_SKIP, NULL, NULL);
4571 b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	3773 if (s1 == NULL)
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	3774 goto theend;
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	3775 patch(list1(&s->out), s1);
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	3776 PUSH(frag(s, list1(&s1->out)));
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	3777 break;
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	3778
4583 321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	3779 case NFA_LNUM:
321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	3780 case NFA_LNUM_GT:
321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	3781 case NFA_LNUM_LT:
321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	3782 case NFA_VCOL:
321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	3783 case NFA_VCOL_GT:
321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	3784 case NFA_VCOL_LT:
321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	3785 case NFA_COL:
321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	3786 case NFA_COL_GT:
321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	3787 case NFA_COL_LT:
4732 0798b096bab3 updated for version 7.3.1113 Bram Moolenaar <bram@vim.org> parents: 4730 diff changeset	3788 case NFA_MARK:
0798b096bab3 updated for version 7.3.1113 Bram Moolenaar <bram@vim.org> parents: 4730 diff changeset	3789 case NFA_MARK_GT:
0798b096bab3 updated for version 7.3.1113 Bram Moolenaar <bram@vim.org> parents: 4730 diff changeset	3790 case NFA_MARK_LT:
4740 97560c16ca99 updated for version 7.3.1117 Bram Moolenaar <bram@vim.org> parents: 4738 diff changeset	3791 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3792 int n = *++p; // lnum, col or mark name
4740 97560c16ca99 updated for version 7.3.1117 Bram Moolenaar <bram@vim.org> parents: 4738 diff changeset	3793
4583 321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	3794 if (nfa_calc_size == TRUE)
321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	3795 {
321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	3796 nstate += 1;
321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	3797 break;
321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	3798 }
4740 97560c16ca99 updated for version 7.3.1117 Bram Moolenaar <bram@vim.org> parents: 4738 diff changeset	3799 s = alloc_state(p[-1], NULL, NULL);
4583 321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	3800 if (s == NULL)
321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	3801 goto theend;
4740 97560c16ca99 updated for version 7.3.1117 Bram Moolenaar <bram@vim.org> parents: 4738 diff changeset	3802 s->val = n;
4583 321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	3803 PUSH(frag(s, list1(&s->out)));
321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	3804 break;
4740 97560c16ca99 updated for version 7.3.1117 Bram Moolenaar <bram@vim.org> parents: 4738 diff changeset	3805 }
4583 321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	3806
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3807 case NFA_ZSTART:
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3808 case NFA_ZEND:
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3809 default:
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3810 // Operands
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3811 if (nfa_calc_size == TRUE)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3812 {
4458 21e13403140a updated for version 7.3.977 Bram Moolenaar <bram@vim.org> parents: 4456 diff changeset	3813 nstate++;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3814 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3815 }
4696 ed4e689bbea1 updated for version 7.3.1095 Bram Moolenaar <bram@vim.org> parents: 4694 diff changeset	3816 s = alloc_state(*p, NULL, NULL);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3817 if (s == NULL)
4484 9a1d78f82826 updated for version 7.3.990 Bram Moolenaar <bram@vim.org> parents: 4482 diff changeset	3818 goto theend;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3819 PUSH(frag(s, list1(&s->out)));
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3820 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3821
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3822 } // switch(*p)
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3823
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3824 } // for(p = postfix; *p; ++p)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3825
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3826 if (nfa_calc_size == TRUE)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3827 {
4458 21e13403140a updated for version 7.3.977 Bram Moolenaar <bram@vim.org> parents: 4456 diff changeset	3828 nstate++;
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3829 goto theend; // Return value when counting size is ignored anyway
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3830 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3831
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3832 e = POP();
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3833 if (stackp != stack)
6747 4c4c8a53347b patch 7.4.696 Bram Moolenaar <bram@vim.org> parents: 6653 diff changeset	3834 {
4c4c8a53347b patch 7.4.696 Bram Moolenaar <bram@vim.org> parents: 6653 diff changeset	3835 vim_free(stack);
26966 ac75c145f0a9 patch 8.2.4012: error messages are spread out Bram Moolenaar <Bram@vim.org> parents: 26962 diff changeset	3836 EMSG_RET_NULL(_(e_nfa_regexp_while_converting_from_postfix_to_nfa_too_many_stats_left_on_stack));
6747 4c4c8a53347b patch 7.4.696 Bram Moolenaar <bram@vim.org> parents: 6653 diff changeset	3837 }
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3838
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3839 if (istate >= nstate)
6747 4c4c8a53347b patch 7.4.696 Bram Moolenaar <bram@vim.org> parents: 6653 diff changeset	3840 {
4c4c8a53347b patch 7.4.696 Bram Moolenaar <bram@vim.org> parents: 6653 diff changeset	3841 vim_free(stack);
26966 ac75c145f0a9 patch 8.2.4012: error messages are spread out Bram Moolenaar <Bram@vim.org> parents: 26962 diff changeset	3842 EMSG_RET_NULL(_(e_nfa_regexp_not_enough_space_to_store_whole_nfa));
6747 4c4c8a53347b patch 7.4.696 Bram Moolenaar <bram@vim.org> parents: 6653 diff changeset	3843 }
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3844
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3845 matchstate = &state_ptr[istate++]; // the match state
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3846 matchstate->c = NFA_MATCH;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3847 matchstate->out = matchstate->out1 = NULL;
4781 c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	3848 matchstate->id = 0;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3849
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3850 patch(e.out, matchstate);
4484 9a1d78f82826 updated for version 7.3.990 Bram Moolenaar <bram@vim.org> parents: 4482 diff changeset	3851 ret = e.start;
9a1d78f82826 updated for version 7.3.990 Bram Moolenaar <bram@vim.org> parents: 4482 diff changeset	3852
9a1d78f82826 updated for version 7.3.990 Bram Moolenaar <bram@vim.org> parents: 4482 diff changeset	3853 theend:
9a1d78f82826 updated for version 7.3.990 Bram Moolenaar <bram@vim.org> parents: 4482 diff changeset	3854 vim_free(stack);
9a1d78f82826 updated for version 7.3.990 Bram Moolenaar <bram@vim.org> parents: 4482 diff changeset	3855 return ret;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3856
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3857 #undef POP1
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3858 #undef PUSH1
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3859 #undef POP2
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3860 #undef PUSH2
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3861 #undef POP
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3862 #undef PUSH
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3863 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3864
4845 a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	3865 /*
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	3866 * After building the NFA program, inspect it to add optimization hints.
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	3867 */
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	3868 static void
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	3869 nfa_postprocess(nfa_regprog_T *prog)
4845 a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	3870 {
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	3871 int i;
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	3872 int c;
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	3873
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	3874 for (i = 0; i < prog->nstate; ++i)
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	3875 {
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	3876 c = prog->state[i].c;
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	3877 if (c == NFA_START_INVISIBLE
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	3878 \|\| c == NFA_START_INVISIBLE_NEG
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	3879 \|\| c == NFA_START_INVISIBLE_BEFORE
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	3880 \|\| c == NFA_START_INVISIBLE_BEFORE_NEG)
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	3881 {
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	3882 int directly;
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	3883
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3884 // Do it directly when what follows is possibly the end of the
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3885 // match.
4845 a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	3886 if (match_follows(prog->state[i].out1->out, 0))
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	3887 directly = TRUE;
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	3888 else
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	3889 {
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	3890 int ch_invisible = failure_chance(prog->state[i].out, 0);
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	3891 int ch_follows = failure_chance(prog->state[i].out1->out, 0);
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	3892
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3893 // Postpone when the invisible match is expensive or has a
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3894 // lower chance of failing.
4845 a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	3895 if (c == NFA_START_INVISIBLE_BEFORE
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	3896 \|\| c == NFA_START_INVISIBLE_BEFORE_NEG)
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	3897 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3898 // "before" matches are very expensive when
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3899 // unbounded, always prefer what follows then,
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3900 // unless what follows will always match.
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3901 // Otherwise strongly prefer what follows.
4845 a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	3902 if (prog->state[i].val <= 0 && ch_follows > 0)
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	3903 directly = FALSE;
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	3904 else
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	3905 directly = ch_follows * 10 < ch_invisible;
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	3906 }
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	3907 else
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	3908 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3909 // normal invisible, first do the one with the
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3910 // highest failure chance
4845 a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	3911 directly = ch_follows < ch_invisible;
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	3912 }
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	3913 }
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	3914 if (directly)
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3915 // switch to the _FIRST state
4845 a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	3916 ++prog->state[i].c;
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	3917 }
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	3918 }
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	3919 }
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	3920
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3921 /////////////////////////////////////////////////////////////////
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3922 // NFA execution code.
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3923 /////////////////////////////////////////////////////////////////
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3924
4563 e7016af0cbf9 updated for version 7.3.1029 Bram Moolenaar <bram@vim.org> parents: 4561 diff changeset	3925 typedef struct
e7016af0cbf9 updated for version 7.3.1029 Bram Moolenaar <bram@vim.org> parents: 4561 diff changeset	3926 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3927 int in_use; // number of subexpr with useful info
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3928
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3929 // When REG_MULTI is TRUE list.multi is used, otherwise list.line.
4563 e7016af0cbf9 updated for version 7.3.1029 Bram Moolenaar <bram@vim.org> parents: 4561 diff changeset	3930 union
e7016af0cbf9 updated for version 7.3.1029 Bram Moolenaar <bram@vim.org> parents: 4561 diff changeset	3931 {
e7016af0cbf9 updated for version 7.3.1029 Bram Moolenaar <bram@vim.org> parents: 4561 diff changeset	3932 struct multipos
e7016af0cbf9 updated for version 7.3.1029 Bram Moolenaar <bram@vim.org> parents: 4561 diff changeset	3933 {
6547 436d6c9e57f2 updated for version 7.4.600 Bram Moolenaar <bram@vim.org> parents: 6545 diff changeset	3934 linenr_T start_lnum;
436d6c9e57f2 updated for version 7.4.600 Bram Moolenaar <bram@vim.org> parents: 6545 diff changeset	3935 linenr_T end_lnum;
436d6c9e57f2 updated for version 7.4.600 Bram Moolenaar <bram@vim.org> parents: 6545 diff changeset	3936 colnr_T start_col;
436d6c9e57f2 updated for version 7.4.600 Bram Moolenaar <bram@vim.org> parents: 6545 diff changeset	3937 colnr_T end_col;
4577 b22bff1a6af8 updated for version 7.3.1036 Bram Moolenaar <bram@vim.org> parents: 4573 diff changeset	3938 } multi[NSUBEXP];
4563 e7016af0cbf9 updated for version 7.3.1029 Bram Moolenaar <bram@vim.org> parents: 4561 diff changeset	3939 struct linepos
e7016af0cbf9 updated for version 7.3.1029 Bram Moolenaar <bram@vim.org> parents: 4561 diff changeset	3940 {
e7016af0cbf9 updated for version 7.3.1029 Bram Moolenaar <bram@vim.org> parents: 4561 diff changeset	3941 char_u *start;
e7016af0cbf9 updated for version 7.3.1029 Bram Moolenaar <bram@vim.org> parents: 4561 diff changeset	3942 char_u *end;
4577 b22bff1a6af8 updated for version 7.3.1036 Bram Moolenaar <bram@vim.org> parents: 4573 diff changeset	3943 } line[NSUBEXP];
b22bff1a6af8 updated for version 7.3.1036 Bram Moolenaar <bram@vim.org> parents: 4573 diff changeset	3944 } list;
4563 e7016af0cbf9 updated for version 7.3.1029 Bram Moolenaar <bram@vim.org> parents: 4561 diff changeset	3945 } regsub_T;
e7016af0cbf9 updated for version 7.3.1029 Bram Moolenaar <bram@vim.org> parents: 4561 diff changeset	3946
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3947 typedef struct
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3948 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3949 regsub_T norm; // $ .. $ matches
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3950 #ifdef FEAT_SYN_HL
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3951 regsub_T synt; // \z( .. \) matches
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3952 #endif
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3953 } regsubs_T;
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3954
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3955 // nfa_pim_T stores a Postponed Invisible Match.
4726 3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	3956 typedef struct nfa_pim_S nfa_pim_T;
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	3957 struct nfa_pim_S
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	3958 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3959 int result; // NFA_PIM_*, see below
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3960 nfa_state_T *state; // the invisible match start state
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3961 regsubs_T subs; // submatch info, only party used
4813 bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	3962 union
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	3963 {
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	3964 lpos_T pos;
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	3965 char_u *ptr;
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3966 } end; // where the match must end
4726 3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	3967 };
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	3968
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3969 // Values for done in nfa_pim_T.
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3970 #define NFA_PIM_UNUSED 0 // pim not used
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3971 #define NFA_PIM_TODO 1 // pim not done yet
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3972 #define NFA_PIM_MATCH 2 // pim executed, matches
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3973 #define NFA_PIM_NOMATCH 3 // pim executed, no match
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3974
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3975
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3976 // nfa_thread_T contains execution information of a NFA state
4539 532c2e850256 updated for version 7.3.1017 Bram Moolenaar <bram@vim.org> parents: 4537 diff changeset	3977 typedef struct
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3978 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3979 nfa_state_T *state;
4571 b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	3980 int count;
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3981 nfa_pim_T pim; // if pim.result != NFA_PIM_UNUSED: postponed
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3982 // invisible match
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3983 regsubs_T subs; // submatch info, only party used
4539 532c2e850256 updated for version 7.3.1017 Bram Moolenaar <bram@vim.org> parents: 4537 diff changeset	3984 } nfa_thread_T;
532c2e850256 updated for version 7.3.1017 Bram Moolenaar <bram@vim.org> parents: 4537 diff changeset	3985
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3986 // nfa_list_T contains the alternative NFA execution states.
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3987 typedef struct
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3988 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3989 nfa_thread_T *t; // allocated array of states
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3990 int n; // nr of states currently in "t"
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3991 int len; // max nr of states in "t"
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3992 int id; // ID of the list
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3993 int has_pim; // TRUE when any state has a PIM
4539 532c2e850256 updated for version 7.3.1017 Bram Moolenaar <bram@vim.org> parents: 4537 diff changeset	3994 } nfa_list_T;
532c2e850256 updated for version 7.3.1017 Bram Moolenaar <bram@vim.org> parents: 4537 diff changeset	3995
4571 b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	3996 #ifdef ENABLE_LOG
7805 0b6c37dd858d commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077 Christian Brabandt <cb@256bit.org> parents: 7258 diff changeset	3997 static void log_subexpr(regsub_T *sub);
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3998
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3999 static void
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	4000 log_subsexpr(regsubs_T *subs)
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4001 {
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4002 log_subexpr(&subs->norm);
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4003 # ifdef FEAT_SYN_HL
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	4004 if (rex.nfa_has_zsubexpr)
4770 b20dbf3a5370 updated for version 7.3.1132 Bram Moolenaar <bram@vim.org> parents: 4768 diff changeset	4005 log_subexpr(&subs->synt);
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4006 # endif
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4007 }
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4008
4571 b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	4009 static void
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	4010 log_subexpr(regsub_T *sub)
4571 b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	4011 {
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	4012 int j;
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	4013
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	4014 for (j = 0; j < sub->in_use; j++)
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	4015 if (REG_MULTI)
4750 7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	4016 fprintf(log_fd, "*** group %d, start: c=%d, l=%d, end: c=%d, l=%d\n",
4571 b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	4017 j,
6547 436d6c9e57f2 updated for version 7.4.600 Bram Moolenaar <bram@vim.org> parents: 6545 diff changeset	4018 sub->list.multi[j].start_col,
436d6c9e57f2 updated for version 7.4.600 Bram Moolenaar <bram@vim.org> parents: 6545 diff changeset	4019 (int)sub->list.multi[j].start_lnum,
436d6c9e57f2 updated for version 7.4.600 Bram Moolenaar <bram@vim.org> parents: 6545 diff changeset	4020 sub->list.multi[j].end_col,
436d6c9e57f2 updated for version 7.4.600 Bram Moolenaar <bram@vim.org> parents: 6545 diff changeset	4021 (int)sub->list.multi[j].end_lnum);
4571 b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	4022 else
4746 d1376091d18b updated for version 7.3.1120 Bram Moolenaar <bram@vim.org> parents: 4744 diff changeset	4023 {
d1376091d18b updated for version 7.3.1120 Bram Moolenaar <bram@vim.org> parents: 4744 diff changeset	4024 char s = (char )sub->list.line[j].start;
d1376091d18b updated for version 7.3.1120 Bram Moolenaar <bram@vim.org> parents: 4744 diff changeset	4025 char e = (char )sub->list.line[j].end;
d1376091d18b updated for version 7.3.1120 Bram Moolenaar <bram@vim.org> parents: 4744 diff changeset	4026
4750 7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	4027 fprintf(log_fd, "*** group %d, start: \"%s\", end: \"%s\"\n",
4571 b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	4028 j,
4746 d1376091d18b updated for version 7.3.1120 Bram Moolenaar <bram@vim.org> parents: 4744 diff changeset	4029 s == NULL ? "NULL" : s,
d1376091d18b updated for version 7.3.1120 Bram Moolenaar <bram@vim.org> parents: 4744 diff changeset	4030 e == NULL ? "NULL" : e);
d1376091d18b updated for version 7.3.1120 Bram Moolenaar <bram@vim.org> parents: 4744 diff changeset	4031 }
4571 b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	4032 }
4813 bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	4033
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	4034 static char *
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	4035 pim_info(nfa_pim_T *pim)
4813 bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	4036 {
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	4037 static char buf[30];
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	4038
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	4039 if (pim == NULL \|\| pim->result == NFA_PIM_UNUSED)
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	4040 buf[0] = NUL;
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	4041 else
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	4042 {
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	4043 sprintf(buf, " PIM col %d", REG_MULTI ? (int)pim->end.pos.col
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	4044 : (int)(pim->end.ptr - rex.input));
4813 bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	4045 }
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	4046 return buf;
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	4047 }
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	4048
4571 b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	4049 #endif
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	4050
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	4051 // Used during execution: whether a match has been found.
14309 15530de011bc patch 8.1.0170: invalid memory use with complicated pattern Christian Brabandt <cb@256bit.org> parents: 14173 diff changeset	4052 static int nfa_match;
6573 ffba266e064d updated for version 7.4.613 Bram Moolenaar <bram@vim.org> parents: 6547 diff changeset	4053 #ifdef FEAT_RELTIME
11521 578df034735d patch 8.0.0643: when a pattern search is slow Vim becomes unusable Christian Brabandt <cb@256bit.org> parents: 11480 diff changeset	4054 static int *nfa_timed_out;
6573 ffba266e064d updated for version 7.4.613 Bram Moolenaar <bram@vim.org> parents: 6547 diff changeset	4055 #endif
4561 4d81fdda8f35 updated for version 7.3.1028 Bram Moolenaar <bram@vim.org> parents: 4559 diff changeset	4056
7805 0b6c37dd858d commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077 Christian Brabandt <cb@256bit.org> parents: 7258 diff changeset	4057 static void copy_sub(regsub_T to, regsub_T from);
0b6c37dd858d commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077 Christian Brabandt <cb@256bit.org> parents: 7258 diff changeset	4058 static int pim_equal(nfa_pim_T one, nfa_pim_T two);
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4059
4813 bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	4060 /*
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	4061 * Copy postponed invisible match info from "from" to "to".
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	4062 */
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	4063 static void
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	4064 copy_pim(nfa_pim_T to, nfa_pim_T from)
4813 bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	4065 {
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	4066 to->result = from->result;
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	4067 to->state = from->state;
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	4068 copy_sub(&to->subs.norm, &from->subs.norm);
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	4069 #ifdef FEAT_SYN_HL
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	4070 if (rex.nfa_has_zsubexpr)
4813 bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	4071 copy_sub(&to->subs.synt, &from->subs.synt);
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	4072 #endif
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	4073 to->end = from->end;
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	4074 }
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	4075
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4076 static void
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	4077 clear_sub(regsub_T *sub)
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4078 {
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4079 if (REG_MULTI)
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	4080 // Use 0xff to set lnum to -1
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4081 vim_memset(sub->list.multi, 0xff,
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	4082 sizeof(struct multipos) * rex.nfa_nsubexpr);
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4083 else
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	4084 vim_memset(sub->list.line, 0,
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	4085 sizeof(struct linepos) * rex.nfa_nsubexpr);
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4086 sub->in_use = 0;
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4087 }
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4088
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4089 /*
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4090 * Copy the submatches from "from" to "to".
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4091 */
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4092 static void
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	4093 copy_sub(regsub_T to, regsub_T from)
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4094 {
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4095 to->in_use = from->in_use;
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4096 if (from->in_use > 0)
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4097 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	4098 // Copy the match start and end positions.
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4099 if (REG_MULTI)
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4100 mch_memmove(&to->list.multi[0],
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4101 &from->list.multi[0],
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4102 sizeof(struct multipos) * from->in_use);
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4103 else
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4104 mch_memmove(&to->list.line[0],
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4105 &from->list.line[0],
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4106 sizeof(struct linepos) * from->in_use);
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4107 }
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4108 }
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4109
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4110 /*
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4111 * Like copy_sub() but exclude the main match.
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4112 */
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4113 static void
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	4114 copy_sub_off(regsub_T to, regsub_T from)
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4115 {
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4116 if (to->in_use < from->in_use)
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4117 to->in_use = from->in_use;
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4118 if (from->in_use > 1)
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4119 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	4120 // Copy the match start and end positions.
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4121 if (REG_MULTI)
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4122 mch_memmove(&to->list.multi[1],
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4123 &from->list.multi[1],
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4124 sizeof(struct multipos) * (from->in_use - 1));
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4125 else
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4126 mch_memmove(&to->list.line[1],
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4127 &from->list.line[1],
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4128 sizeof(struct linepos) * (from->in_use - 1));
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4129 }
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4130 }
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4131
4647 857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	4132 /*
5372 c3d379c2a115 updated for version 7.4.037 Bram Moolenaar <bram@vim.org> parents: 5370 diff changeset	4133 * Like copy_sub() but only do the end of the main match if \ze is present.
c3d379c2a115 updated for version 7.4.037 Bram Moolenaar <bram@vim.org> parents: 5370 diff changeset	4134 */
c3d379c2a115 updated for version 7.4.037 Bram Moolenaar <bram@vim.org> parents: 5370 diff changeset	4135 static void
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	4136 copy_ze_off(regsub_T to, regsub_T from)
5372 c3d379c2a115 updated for version 7.4.037 Bram Moolenaar <bram@vim.org> parents: 5370 diff changeset	4137 {
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	4138 if (rex.nfa_has_zend)
5372 c3d379c2a115 updated for version 7.4.037 Bram Moolenaar <bram@vim.org> parents: 5370 diff changeset	4139 {
c3d379c2a115 updated for version 7.4.037 Bram Moolenaar <bram@vim.org> parents: 5370 diff changeset	4140 if (REG_MULTI)
c3d379c2a115 updated for version 7.4.037 Bram Moolenaar <bram@vim.org> parents: 5370 diff changeset	4141 {
6547 436d6c9e57f2 updated for version 7.4.600 Bram Moolenaar <bram@vim.org> parents: 6545 diff changeset	4142 if (from->list.multi[0].end_lnum >= 0)
13192 9bd4151e5aeb patch 8.0.1470: integer overflow when using regexp pattern Christian Brabandt <cb@256bit.org> parents: 13043 diff changeset	4143 {
6547 436d6c9e57f2 updated for version 7.4.600 Bram Moolenaar <bram@vim.org> parents: 6545 diff changeset	4144 to->list.multi[0].end_lnum = from->list.multi[0].end_lnum;
436d6c9e57f2 updated for version 7.4.600 Bram Moolenaar <bram@vim.org> parents: 6545 diff changeset	4145 to->list.multi[0].end_col = from->list.multi[0].end_col;
13192 9bd4151e5aeb patch 8.0.1470: integer overflow when using regexp pattern Christian Brabandt <cb@256bit.org> parents: 13043 diff changeset	4146 }
5372 c3d379c2a115 updated for version 7.4.037 Bram Moolenaar <bram@vim.org> parents: 5370 diff changeset	4147 }
c3d379c2a115 updated for version 7.4.037 Bram Moolenaar <bram@vim.org> parents: 5370 diff changeset	4148 else
c3d379c2a115 updated for version 7.4.037 Bram Moolenaar <bram@vim.org> parents: 5370 diff changeset	4149 {
c3d379c2a115 updated for version 7.4.037 Bram Moolenaar <bram@vim.org> parents: 5370 diff changeset	4150 if (from->list.line[0].end != NULL)
c3d379c2a115 updated for version 7.4.037 Bram Moolenaar <bram@vim.org> parents: 5370 diff changeset	4151 to->list.line[0].end = from->list.line[0].end;
c3d379c2a115 updated for version 7.4.037 Bram Moolenaar <bram@vim.org> parents: 5370 diff changeset	4152 }
c3d379c2a115 updated for version 7.4.037 Bram Moolenaar <bram@vim.org> parents: 5370 diff changeset	4153 }
c3d379c2a115 updated for version 7.4.037 Bram Moolenaar <bram@vim.org> parents: 5370 diff changeset	4154 }
c3d379c2a115 updated for version 7.4.037 Bram Moolenaar <bram@vim.org> parents: 5370 diff changeset	4155
c3d379c2a115 updated for version 7.4.037 Bram Moolenaar <bram@vim.org> parents: 5370 diff changeset	4156 /*
4893 07b9c48a30e9 updated for version 7.3.1192 Bram Moolenaar <bram@vim.org> parents: 4891 diff changeset	4157 * Return TRUE if "sub1" and "sub2" have the same start positions.
5893 99374096a76b updated for version 7.4.289 Bram Moolenaar <bram@vim.org> parents: 5838 diff changeset	4158 * When using back-references also check the end position.
4647 857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	4159 */
857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	4160 static int
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	4161 sub_equal(regsub_T sub1, regsub_T sub2)
4647 857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	4162 {
857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	4163 int i;
857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	4164 int todo;
4893 07b9c48a30e9 updated for version 7.3.1192 Bram Moolenaar <bram@vim.org> parents: 4891 diff changeset	4165 linenr_T s1;
07b9c48a30e9 updated for version 7.3.1192 Bram Moolenaar <bram@vim.org> parents: 4891 diff changeset	4166 linenr_T s2;
07b9c48a30e9 updated for version 7.3.1192 Bram Moolenaar <bram@vim.org> parents: 4891 diff changeset	4167 char_u *sp1;
07b9c48a30e9 updated for version 7.3.1192 Bram Moolenaar <bram@vim.org> parents: 4891 diff changeset	4168 char_u *sp2;
4647 857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	4169
857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	4170 todo = sub1->in_use > sub2->in_use ? sub1->in_use : sub2->in_use;
857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	4171 if (REG_MULTI)
857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	4172 {
857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	4173 for (i = 0; i < todo; ++i)
857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	4174 {
857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	4175 if (i < sub1->in_use)
6547 436d6c9e57f2 updated for version 7.4.600 Bram Moolenaar <bram@vim.org> parents: 6545 diff changeset	4176 s1 = sub1->list.multi[i].start_lnum;
4647 857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	4177 else
5006 f451d60ab8ec updated for version 7.3.1247 Bram Moolenaar <bram@vim.org> parents: 4997 diff changeset	4178 s1 = -1;
4647 857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	4179 if (i < sub2->in_use)
6547 436d6c9e57f2 updated for version 7.4.600 Bram Moolenaar <bram@vim.org> parents: 6545 diff changeset	4180 s2 = sub2->list.multi[i].start_lnum;
4647 857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	4181 else
5006 f451d60ab8ec updated for version 7.3.1247 Bram Moolenaar <bram@vim.org> parents: 4997 diff changeset	4182 s2 = -1;
4893 07b9c48a30e9 updated for version 7.3.1192 Bram Moolenaar <bram@vim.org> parents: 4891 diff changeset	4183 if (s1 != s2)
4647 857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	4184 return FALSE;
6547 436d6c9e57f2 updated for version 7.4.600 Bram Moolenaar <bram@vim.org> parents: 6545 diff changeset	4185 if (s1 != -1 && sub1->list.multi[i].start_col
436d6c9e57f2 updated for version 7.4.600 Bram Moolenaar <bram@vim.org> parents: 6545 diff changeset	4186 != sub2->list.multi[i].start_col)
4647 857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	4187 return FALSE;
5893 99374096a76b updated for version 7.4.289 Bram Moolenaar <bram@vim.org> parents: 5838 diff changeset	4188
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	4189 if (rex.nfa_has_backref)
5893 99374096a76b updated for version 7.4.289 Bram Moolenaar <bram@vim.org> parents: 5838 diff changeset	4190 {
99374096a76b updated for version 7.4.289 Bram Moolenaar <bram@vim.org> parents: 5838 diff changeset	4191 if (i < sub1->in_use)
6547 436d6c9e57f2 updated for version 7.4.600 Bram Moolenaar <bram@vim.org> parents: 6545 diff changeset	4192 s1 = sub1->list.multi[i].end_lnum;
5893 99374096a76b updated for version 7.4.289 Bram Moolenaar <bram@vim.org> parents: 5838 diff changeset	4193 else
99374096a76b updated for version 7.4.289 Bram Moolenaar <bram@vim.org> parents: 5838 diff changeset	4194 s1 = -1;
99374096a76b updated for version 7.4.289 Bram Moolenaar <bram@vim.org> parents: 5838 diff changeset	4195 if (i < sub2->in_use)
6547 436d6c9e57f2 updated for version 7.4.600 Bram Moolenaar <bram@vim.org> parents: 6545 diff changeset	4196 s2 = sub2->list.multi[i].end_lnum;
5893 99374096a76b updated for version 7.4.289 Bram Moolenaar <bram@vim.org> parents: 5838 diff changeset	4197 else
99374096a76b updated for version 7.4.289 Bram Moolenaar <bram@vim.org> parents: 5838 diff changeset	4198 s2 = -1;
99374096a76b updated for version 7.4.289 Bram Moolenaar <bram@vim.org> parents: 5838 diff changeset	4199 if (s1 != s2)
99374096a76b updated for version 7.4.289 Bram Moolenaar <bram@vim.org> parents: 5838 diff changeset	4200 return FALSE;
6547 436d6c9e57f2 updated for version 7.4.600 Bram Moolenaar <bram@vim.org> parents: 6545 diff changeset	4201 if (s1 != -1 && sub1->list.multi[i].end_col
436d6c9e57f2 updated for version 7.4.600 Bram Moolenaar <bram@vim.org> parents: 6545 diff changeset	4202 != sub2->list.multi[i].end_col)
5893 99374096a76b updated for version 7.4.289 Bram Moolenaar <bram@vim.org> parents: 5838 diff changeset	4203 return FALSE;
99374096a76b updated for version 7.4.289 Bram Moolenaar <bram@vim.org> parents: 5838 diff changeset	4204 }
4647 857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	4205 }
857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	4206 }
857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	4207 else
857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	4208 {
857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	4209 for (i = 0; i < todo; ++i)
857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	4210 {
857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	4211 if (i < sub1->in_use)
857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	4212 sp1 = sub1->list.line[i].start;
857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	4213 else
857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	4214 sp1 = NULL;
857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	4215 if (i < sub2->in_use)
857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	4216 sp2 = sub2->list.line[i].start;
857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	4217 else
857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	4218 sp2 = NULL;
4893 07b9c48a30e9 updated for version 7.3.1192 Bram Moolenaar <bram@vim.org> parents: 4891 diff changeset	4219 if (sp1 != sp2)
4647 857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	4220 return FALSE;
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	4221 if (rex.nfa_has_backref)
5893 99374096a76b updated for version 7.4.289 Bram Moolenaar <bram@vim.org> parents: 5838 diff changeset	4222 {
99374096a76b updated for version 7.4.289 Bram Moolenaar <bram@vim.org> parents: 5838 diff changeset	4223 if (i < sub1->in_use)
99374096a76b updated for version 7.4.289 Bram Moolenaar <bram@vim.org> parents: 5838 diff changeset	4224 sp1 = sub1->list.line[i].end;
99374096a76b updated for version 7.4.289 Bram Moolenaar <bram@vim.org> parents: 5838 diff changeset	4225 else
99374096a76b updated for version 7.4.289 Bram Moolenaar <bram@vim.org> parents: 5838 diff changeset	4226 sp1 = NULL;
99374096a76b updated for version 7.4.289 Bram Moolenaar <bram@vim.org> parents: 5838 diff changeset	4227 if (i < sub2->in_use)
99374096a76b updated for version 7.4.289 Bram Moolenaar <bram@vim.org> parents: 5838 diff changeset	4228 sp2 = sub2->list.line[i].end;
99374096a76b updated for version 7.4.289 Bram Moolenaar <bram@vim.org> parents: 5838 diff changeset	4229 else
99374096a76b updated for version 7.4.289 Bram Moolenaar <bram@vim.org> parents: 5838 diff changeset	4230 sp2 = NULL;
99374096a76b updated for version 7.4.289 Bram Moolenaar <bram@vim.org> parents: 5838 diff changeset	4231 if (sp1 != sp2)
99374096a76b updated for version 7.4.289 Bram Moolenaar <bram@vim.org> parents: 5838 diff changeset	4232 return FALSE;
99374096a76b updated for version 7.4.289 Bram Moolenaar <bram@vim.org> parents: 5838 diff changeset	4233 }
4647 857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	4234 }
857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	4235 }
857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	4236
857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	4237 return TRUE;
857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	4238 }
857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	4239
29191 0af5fe160e4e patch 8.2.5115: search timeout is overrun with some patterns Bram Moolenaar <Bram@vim.org> parents: 29071 diff changeset	4240 #ifdef FEAT_RELTIME
0af5fe160e4e patch 8.2.5115: search timeout is overrun with some patterns Bram Moolenaar <Bram@vim.org> parents: 29071 diff changeset	4241 /*
0af5fe160e4e patch 8.2.5115: search timeout is overrun with some patterns Bram Moolenaar <Bram@vim.org> parents: 29071 diff changeset	4242 * Check if we are past the time limit, if there is one.
0af5fe160e4e patch 8.2.5115: search timeout is overrun with some patterns Bram Moolenaar <Bram@vim.org> parents: 29071 diff changeset	4243 */
0af5fe160e4e patch 8.2.5115: search timeout is overrun with some patterns Bram Moolenaar <Bram@vim.org> parents: 29071 diff changeset	4244 static int
0af5fe160e4e patch 8.2.5115: search timeout is overrun with some patterns Bram Moolenaar <Bram@vim.org> parents: 29071 diff changeset	4245 nfa_did_time_out(void)
0af5fe160e4e patch 8.2.5115: search timeout is overrun with some patterns Bram Moolenaar <Bram@vim.org> parents: 29071 diff changeset	4246 {
0af5fe160e4e patch 8.2.5115: search timeout is overrun with some patterns Bram Moolenaar <Bram@vim.org> parents: 29071 diff changeset	4247 if (*timeout_flag)
0af5fe160e4e patch 8.2.5115: search timeout is overrun with some patterns Bram Moolenaar <Bram@vim.org> parents: 29071 diff changeset	4248 {
0af5fe160e4e patch 8.2.5115: search timeout is overrun with some patterns Bram Moolenaar <Bram@vim.org> parents: 29071 diff changeset	4249 if (nfa_timed_out != NULL)
0af5fe160e4e patch 8.2.5115: search timeout is overrun with some patterns Bram Moolenaar <Bram@vim.org> parents: 29071 diff changeset	4250 {
29237 c7aa0c46acd5 patch 8.2.5137: cannot build without the +channel feature Bram Moolenaar <Bram@vim.org> parents: 29191 diff changeset	4251 # ifdef FEAT_JOB_CHANNEL
29191 0af5fe160e4e patch 8.2.5115: search timeout is overrun with some patterns Bram Moolenaar <Bram@vim.org> parents: 29071 diff changeset	4252 if (!*nfa_timed_out)
0af5fe160e4e patch 8.2.5115: search timeout is overrun with some patterns Bram Moolenaar <Bram@vim.org> parents: 29071 diff changeset	4253 ch_log(NULL, "NFA regexp timed out");
29237 c7aa0c46acd5 patch 8.2.5137: cannot build without the +channel feature Bram Moolenaar <Bram@vim.org> parents: 29191 diff changeset	4254 # endif
29191 0af5fe160e4e patch 8.2.5115: search timeout is overrun with some patterns Bram Moolenaar <Bram@vim.org> parents: 29071 diff changeset	4255 *nfa_timed_out = TRUE;
0af5fe160e4e patch 8.2.5115: search timeout is overrun with some patterns Bram Moolenaar <Bram@vim.org> parents: 29071 diff changeset	4256 }
0af5fe160e4e patch 8.2.5115: search timeout is overrun with some patterns Bram Moolenaar <Bram@vim.org> parents: 29071 diff changeset	4257 return TRUE;
0af5fe160e4e patch 8.2.5115: search timeout is overrun with some patterns Bram Moolenaar <Bram@vim.org> parents: 29071 diff changeset	4258 }
0af5fe160e4e patch 8.2.5115: search timeout is overrun with some patterns Bram Moolenaar <Bram@vim.org> parents: 29071 diff changeset	4259 return FALSE;
0af5fe160e4e patch 8.2.5115: search timeout is overrun with some patterns Bram Moolenaar <Bram@vim.org> parents: 29071 diff changeset	4260 }
0af5fe160e4e patch 8.2.5115: search timeout is overrun with some patterns Bram Moolenaar <Bram@vim.org> parents: 29071 diff changeset	4261 #endif
0af5fe160e4e patch 8.2.5115: search timeout is overrun with some patterns Bram Moolenaar <Bram@vim.org> parents: 29071 diff changeset	4262
4712 832bf8136d86 updated for version 7.3.1103 Bram Moolenaar <bram@vim.org> parents: 4696 diff changeset	4263 #ifdef ENABLE_LOG
832bf8136d86 updated for version 7.3.1103 Bram Moolenaar <bram@vim.org> parents: 4696 diff changeset	4264 static void
27000 8c0730eca2ce patch 8.2.4029: debugging NFA regexp my crash, cached indent may be wrong Bram Moolenaar <Bram@vim.org> parents: 26966 diff changeset	4265 open_debug_log(int result)
8c0730eca2ce patch 8.2.4029: debugging NFA regexp my crash, cached indent may be wrong Bram Moolenaar <Bram@vim.org> parents: 26966 diff changeset	4266 {
8c0730eca2ce patch 8.2.4029: debugging NFA regexp my crash, cached indent may be wrong Bram Moolenaar <Bram@vim.org> parents: 26966 diff changeset	4267 log_fd = fopen(NFA_REGEXP_RUN_LOG, "a");
8c0730eca2ce patch 8.2.4029: debugging NFA regexp my crash, cached indent may be wrong Bram Moolenaar <Bram@vim.org> parents: 26966 diff changeset	4268 if (log_fd == NULL)
8c0730eca2ce patch 8.2.4029: debugging NFA regexp my crash, cached indent may be wrong Bram Moolenaar <Bram@vim.org> parents: 26966 diff changeset	4269 {
8c0730eca2ce patch 8.2.4029: debugging NFA regexp my crash, cached indent may be wrong Bram Moolenaar <Bram@vim.org> parents: 26966 diff changeset	4270 emsg(_(e_log_open_failed));
8c0730eca2ce patch 8.2.4029: debugging NFA regexp my crash, cached indent may be wrong Bram Moolenaar <Bram@vim.org> parents: 26966 diff changeset	4271 log_fd = stderr;
8c0730eca2ce patch 8.2.4029: debugging NFA regexp my crash, cached indent may be wrong Bram Moolenaar <Bram@vim.org> parents: 26966 diff changeset	4272 }
8c0730eca2ce patch 8.2.4029: debugging NFA regexp my crash, cached indent may be wrong Bram Moolenaar <Bram@vim.org> parents: 26966 diff changeset	4273
8c0730eca2ce patch 8.2.4029: debugging NFA regexp my crash, cached indent may be wrong Bram Moolenaar <Bram@vim.org> parents: 26966 diff changeset	4274 fprintf(log_fd, "****************************\n");
8c0730eca2ce patch 8.2.4029: debugging NFA regexp my crash, cached indent may be wrong Bram Moolenaar <Bram@vim.org> parents: 26966 diff changeset	4275 fprintf(log_fd, "FINISHED RUNNING nfa_regmatch() recursively\n");
8c0730eca2ce patch 8.2.4029: debugging NFA regexp my crash, cached indent may be wrong Bram Moolenaar <Bram@vim.org> parents: 26966 diff changeset	4276 fprintf(log_fd, "MATCH = %s\n", result == TRUE ? "OK" : result == MAYBE
8c0730eca2ce patch 8.2.4029: debugging NFA regexp my crash, cached indent may be wrong Bram Moolenaar <Bram@vim.org> parents: 26966 diff changeset	4277 ? "MAYBE" : "FALSE");
8c0730eca2ce patch 8.2.4029: debugging NFA regexp my crash, cached indent may be wrong Bram Moolenaar <Bram@vim.org> parents: 26966 diff changeset	4278 fprintf(log_fd, "****************************\n");
8c0730eca2ce patch 8.2.4029: debugging NFA regexp my crash, cached indent may be wrong Bram Moolenaar <Bram@vim.org> parents: 26966 diff changeset	4279 }
8c0730eca2ce patch 8.2.4029: debugging NFA regexp my crash, cached indent may be wrong Bram Moolenaar <Bram@vim.org> parents: 26966 diff changeset	4280
8c0730eca2ce patch 8.2.4029: debugging NFA regexp my crash, cached indent may be wrong Bram Moolenaar <Bram@vim.org> parents: 26966 diff changeset	4281 static void
4813 bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	4282 report_state(char *action,
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	4283 regsub_T *sub,
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	4284 nfa_state_T *state,
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	4285 int lid,
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	4286 nfa_pim_T *pim)
4712 832bf8136d86 updated for version 7.3.1103 Bram Moolenaar <bram@vim.org> parents: 4696 diff changeset	4287 {
832bf8136d86 updated for version 7.3.1103 Bram Moolenaar <bram@vim.org> parents: 4696 diff changeset	4288 int col;
832bf8136d86 updated for version 7.3.1103 Bram Moolenaar <bram@vim.org> parents: 4696 diff changeset	4289
832bf8136d86 updated for version 7.3.1103 Bram Moolenaar <bram@vim.org> parents: 4696 diff changeset	4290 if (sub->in_use <= 0)
832bf8136d86 updated for version 7.3.1103 Bram Moolenaar <bram@vim.org> parents: 4696 diff changeset	4291 col = -1;
832bf8136d86 updated for version 7.3.1103 Bram Moolenaar <bram@vim.org> parents: 4696 diff changeset	4292 else if (REG_MULTI)
6547 436d6c9e57f2 updated for version 7.4.600 Bram Moolenaar <bram@vim.org> parents: 6545 diff changeset	4293 col = sub->list.multi[0].start_col;
4712 832bf8136d86 updated for version 7.3.1103 Bram Moolenaar <bram@vim.org> parents: 4696 diff changeset	4294 else
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	4295 col = (int)(sub->list.line[0].start - rex.line);
4712 832bf8136d86 updated for version 7.3.1103 Bram Moolenaar <bram@vim.org> parents: 4696 diff changeset	4296 nfa_set_code(state->c);
27000 8c0730eca2ce patch 8.2.4029: debugging NFA regexp my crash, cached indent may be wrong Bram Moolenaar <Bram@vim.org> parents: 26966 diff changeset	4297 if (log_fd == NULL)
8c0730eca2ce patch 8.2.4029: debugging NFA regexp my crash, cached indent may be wrong Bram Moolenaar <Bram@vim.org> parents: 26966 diff changeset	4298 open_debug_log(MAYBE);
8c0730eca2ce patch 8.2.4029: debugging NFA regexp my crash, cached indent may be wrong Bram Moolenaar <Bram@vim.org> parents: 26966 diff changeset	4299
4813 bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	4300 fprintf(log_fd, "> %s state %d to list %d. char %d: %s (start col %d)%s\n",
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	4301 action, abs(state->id), lid, state->c, code, col,
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	4302 pim_info(pim));
4712 832bf8136d86 updated for version 7.3.1103 Bram Moolenaar <bram@vim.org> parents: 4696 diff changeset	4303 }
832bf8136d86 updated for version 7.3.1103 Bram Moolenaar <bram@vim.org> parents: 4696 diff changeset	4304 #endif
832bf8136d86 updated for version 7.3.1103 Bram Moolenaar <bram@vim.org> parents: 4696 diff changeset	4305
4787 7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	4306 /*
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	4307 * Return TRUE if the same state is already in list "l" with the same
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	4308 * positions as "subs".
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	4309 */
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	4310 static int
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	4311 has_state_with_pos(
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	4312 nfa_list_T *l, // runtime state list
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	4313 nfa_state_T *state, // state to update
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	4314 regsubs_T *subs, // pointers to subexpressions
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	4315 nfa_pim_T *pim) // postponed match or NULL
4787 7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	4316 {
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	4317 nfa_thread_T *thread;
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	4318 int i;
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	4319
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	4320 for (i = 0; i < l->n; ++i)
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	4321 {
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	4322 thread = &l->t[i];
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	4323 if (thread->state->id == state->id
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	4324 && sub_equal(&thread->subs.norm, &subs->norm)
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	4325 #ifdef FEAT_SYN_HL
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	4326 && (!rex.nfa_has_zsubexpr
4893 07b9c48a30e9 updated for version 7.3.1192 Bram Moolenaar <bram@vim.org> parents: 4891 diff changeset	4327 \|\| sub_equal(&thread->subs.synt, &subs->synt))
4787 7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	4328 #endif
5212 2741b46e96bf updated for version 7.4a.032 Bram Moolenaar <bram@vim.org> parents: 5210 diff changeset	4329 && pim_equal(&thread->pim, pim))
4787 7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	4330 return TRUE;
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	4331 }
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	4332 return FALSE;
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	4333 }
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	4334
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	4335 /*
5212 2741b46e96bf updated for version 7.4a.032 Bram Moolenaar <bram@vim.org> parents: 5210 diff changeset	4336 * Return TRUE if "one" and "two" are equal. That includes when both are not
2741b46e96bf updated for version 7.4a.032 Bram Moolenaar <bram@vim.org> parents: 5210 diff changeset	4337 * set.
2741b46e96bf updated for version 7.4a.032 Bram Moolenaar <bram@vim.org> parents: 5210 diff changeset	4338 */
2741b46e96bf updated for version 7.4a.032 Bram Moolenaar <bram@vim.org> parents: 5210 diff changeset	4339 static int
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	4340 pim_equal(nfa_pim_T one, nfa_pim_T two)
5212 2741b46e96bf updated for version 7.4a.032 Bram Moolenaar <bram@vim.org> parents: 5210 diff changeset	4341 {
2741b46e96bf updated for version 7.4a.032 Bram Moolenaar <bram@vim.org> parents: 5210 diff changeset	4342 int one_unused = (one == NULL \|\| one->result == NFA_PIM_UNUSED);
2741b46e96bf updated for version 7.4a.032 Bram Moolenaar <bram@vim.org> parents: 5210 diff changeset	4343 int two_unused = (two == NULL \|\| two->result == NFA_PIM_UNUSED);
2741b46e96bf updated for version 7.4a.032 Bram Moolenaar <bram@vim.org> parents: 5210 diff changeset	4344
2741b46e96bf updated for version 7.4a.032 Bram Moolenaar <bram@vim.org> parents: 5210 diff changeset	4345 if (one_unused)
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	4346 // one is unused: equal when two is also unused
5212 2741b46e96bf updated for version 7.4a.032 Bram Moolenaar <bram@vim.org> parents: 5210 diff changeset	4347 return two_unused;
2741b46e96bf updated for version 7.4a.032 Bram Moolenaar <bram@vim.org> parents: 5210 diff changeset	4348 if (two_unused)
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	4349 // one is used and two is not: not equal
5212 2741b46e96bf updated for version 7.4a.032 Bram Moolenaar <bram@vim.org> parents: 5210 diff changeset	4350 return FALSE;
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	4351 // compare the state id
5298 e29f11399cce updated for version 7.4.002 Bram Moolenaar <bram@vim.org> parents: 5296 diff changeset	4352 if (one->state->id != two->state->id)
e29f11399cce updated for version 7.4.002 Bram Moolenaar <bram@vim.org> parents: 5296 diff changeset	4353 return FALSE;
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	4354 // compare the position
5212 2741b46e96bf updated for version 7.4a.032 Bram Moolenaar <bram@vim.org> parents: 5210 diff changeset	4355 if (REG_MULTI)
2741b46e96bf updated for version 7.4a.032 Bram Moolenaar <bram@vim.org> parents: 5210 diff changeset	4356 return one->end.pos.lnum == two->end.pos.lnum
2741b46e96bf updated for version 7.4a.032 Bram Moolenaar <bram@vim.org> parents: 5210 diff changeset	4357 && one->end.pos.col == two->end.pos.col;
2741b46e96bf updated for version 7.4a.032 Bram Moolenaar <bram@vim.org> parents: 5210 diff changeset	4358 return one->end.ptr == two->end.ptr;
2741b46e96bf updated for version 7.4a.032 Bram Moolenaar <bram@vim.org> parents: 5210 diff changeset	4359 }
2741b46e96bf updated for version 7.4a.032 Bram Moolenaar <bram@vim.org> parents: 5210 diff changeset	4360
2741b46e96bf updated for version 7.4a.032 Bram Moolenaar <bram@vim.org> parents: 5210 diff changeset	4361 /*
4809 4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4362 * Return TRUE if "state" leads to a NFA_MATCH without advancing the input.
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4363 */
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4364 static int
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	4365 match_follows(nfa_state_T *startstate, int depth)
4809 4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4366 {
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4367 nfa_state_T *state = startstate;
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4368
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	4369 // avoid too much recursion
4809 4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4370 if (depth > 10)
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4371 return FALSE;
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4372
5184 c6dd0c545e5c updated for version 7.4a.018 Bram Moolenaar <bram@vim.org> parents: 5074 diff changeset	4373 while (state != NULL)
4809 4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4374 {
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4375 switch (state->c)
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4376 {
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4377 case NFA_MATCH:
4813 bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	4378 case NFA_MCLOSE:
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	4379 case NFA_END_INVISIBLE:
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	4380 case NFA_END_INVISIBLE_NEG:
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	4381 case NFA_END_PATTERN:
4809 4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4382 return TRUE;
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4383
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4384 case NFA_SPLIT:
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4385 return match_follows(state->out, depth + 1)
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4386 \|\| match_follows(state->out1, depth + 1);
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4387
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4388 case NFA_START_INVISIBLE:
4845 a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	4389 case NFA_START_INVISIBLE_FIRST:
4809 4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4390 case NFA_START_INVISIBLE_BEFORE:
4845 a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	4391 case NFA_START_INVISIBLE_BEFORE_FIRST:
4809 4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4392 case NFA_START_INVISIBLE_NEG:
4845 a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	4393 case NFA_START_INVISIBLE_NEG_FIRST:
4809 4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4394 case NFA_START_INVISIBLE_BEFORE_NEG:
4845 a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	4395 case NFA_START_INVISIBLE_BEFORE_NEG_FIRST:
4809 4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4396 case NFA_COMPOSING:
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	4397 // skip ahead to next state
4809 4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4398 state = state->out1->out;
5184 c6dd0c545e5c updated for version 7.4a.018 Bram Moolenaar <bram@vim.org> parents: 5074 diff changeset	4399 continue;
4809 4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4400
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4401 case NFA_ANY:
5901 10fc95f48546 updated for version 7.4.293 Bram Moolenaar <bram@vim.org> parents: 5895 diff changeset	4402 case NFA_ANY_COMPOSING:
4809 4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4403 case NFA_IDENT:
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4404 case NFA_SIDENT:
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4405 case NFA_KWORD:
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4406 case NFA_SKWORD:
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4407 case NFA_FNAME:
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4408 case NFA_SFNAME:
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4409 case NFA_PRINT:
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4410 case NFA_SPRINT:
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4411 case NFA_WHITE:
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4412 case NFA_NWHITE:
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4413 case NFA_DIGIT:
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4414 case NFA_NDIGIT:
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4415 case NFA_HEX:
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4416 case NFA_NHEX:
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4417 case NFA_OCTAL:
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4418 case NFA_NOCTAL:
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4419 case NFA_WORD:
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4420 case NFA_NWORD:
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4421 case NFA_HEAD:
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4422 case NFA_NHEAD:
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4423 case NFA_ALPHA:
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4424 case NFA_NALPHA:
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4425 case NFA_LOWER:
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4426 case NFA_NLOWER:
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4427 case NFA_UPPER:
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4428 case NFA_NUPPER:
5296 3e9107b86b68 updated for version 7.4.001 Bram Moolenaar <bram@vim.org> parents: 5255 diff changeset	4429 case NFA_LOWER_IC:
3e9107b86b68 updated for version 7.4.001 Bram Moolenaar <bram@vim.org> parents: 5255 diff changeset	4430 case NFA_NLOWER_IC:
3e9107b86b68 updated for version 7.4.001 Bram Moolenaar <bram@vim.org> parents: 5255 diff changeset	4431 case NFA_UPPER_IC:
3e9107b86b68 updated for version 7.4.001 Bram Moolenaar <bram@vim.org> parents: 5255 diff changeset	4432 case NFA_NUPPER_IC:
4809 4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4433 case NFA_START_COLL:
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4434 case NFA_START_NEG_COLL:
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4435 case NFA_NEWL:
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	4436 // state will advance input
4809 4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4437 return FALSE;
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4438
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4439 default:
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4440 if (state->c > 0)
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	4441 // state will advance input
4809 4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4442 return FALSE;
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4443
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	4444 // Others: zero-width or possibly zero-width, might still find
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	4445 // a match at the same position, keep looking.
4809 4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4446 break;
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4447 }
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4448 state = state->out;
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4449 }
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4450 return FALSE;
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4451 }
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4452
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4453
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4454 /*
4787 7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	4455 * Return TRUE if "state" is already in list "l".
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	4456 */
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	4457 static int
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	4458 state_in_list(
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	4459 nfa_list_T *l, // runtime state list
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	4460 nfa_state_T *state, // state to update
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	4461 regsubs_T *subs) // pointers to subexpressions
4787 7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	4462 {
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	4463 if (state->lastlist[nfa_ll_index] == l->id)
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	4464 {
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	4465 if (!rex.nfa_has_backref \|\| has_state_with_pos(l, state, subs, NULL))
4787 7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	4466 return TRUE;
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	4467 }
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	4468 return FALSE;
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	4469 }
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	4470
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	4471 // Offset used for "off" by addstate_here().
10170 4acacf4081ce commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce Christian Brabandt <cb@256bit.org> parents: 10168 diff changeset	4472 #define ADDSTATE_HERE_OFFSET 10
4acacf4081ce commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce Christian Brabandt <cb@256bit.org> parents: 10168 diff changeset	4473
5074 1cacf785299e updated for version 7.3.1280 Bram Moolenaar <bram@vim.org> parents: 5058 diff changeset	4474 /*
1cacf785299e updated for version 7.3.1280 Bram Moolenaar <bram@vim.org> parents: 5058 diff changeset	4475 * Add "state" and possibly what follows to state list ".".
1cacf785299e updated for version 7.3.1280 Bram Moolenaar <bram@vim.org> parents: 5058 diff changeset	4476 * Returns "subs_arg", possibly copied into temp_subs.
29191 0af5fe160e4e patch 8.2.5115: search timeout is overrun with some patterns Bram Moolenaar <Bram@vim.org> parents: 29071 diff changeset	4477 * Returns NULL when recursiveness is too deep or timed out.
5074 1cacf785299e updated for version 7.3.1280 Bram Moolenaar <bram@vim.org> parents: 5058 diff changeset	4478 */
1cacf785299e updated for version 7.3.1280 Bram Moolenaar <bram@vim.org> parents: 5058 diff changeset	4479 static regsubs_T *
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	4480 addstate(
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	4481 nfa_list_T *l, // runtime state list
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	4482 nfa_state_T *state, // state to update
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	4483 regsubs_T *subs_arg, // pointers to subexpressions
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	4484 nfa_pim_T *pim, // postponed look-behind match
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	4485 int off_arg) // byte offset, when -1 go to next line
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4486 {
4561 4d81fdda8f35 updated for version 7.3.1028 Bram Moolenaar <bram@vim.org> parents: 4559 diff changeset	4487 int subidx;
10170 4acacf4081ce commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce Christian Brabandt <cb@256bit.org> parents: 10168 diff changeset	4488 int off = off_arg;
4acacf4081ce commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce Christian Brabandt <cb@256bit.org> parents: 10168 diff changeset	4489 int add_here = FALSE;
4acacf4081ce commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce Christian Brabandt <cb@256bit.org> parents: 10168 diff changeset	4490 int listindex = 0;
4acacf4081ce commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce Christian Brabandt <cb@256bit.org> parents: 10168 diff changeset	4491 int k;
4acacf4081ce commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce Christian Brabandt <cb@256bit.org> parents: 10168 diff changeset	4492 int found = FALSE;
4647 857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	4493 nfa_thread_T *thread;
10168 3c37899baa8d commit https://github.com/vim/vim/commit/d563883a1fb5ec6cf4a2758c5e36ac1ff4e9bb3d Christian Brabandt <cb@256bit.org> parents: 10042 diff changeset	4494 struct multipos save_multipos;
4563 e7016af0cbf9 updated for version 7.3.1029 Bram Moolenaar <bram@vim.org> parents: 4561 diff changeset	4495 int save_in_use;
4561 4d81fdda8f35 updated for version 7.3.1028 Bram Moolenaar <bram@vim.org> parents: 4559 diff changeset	4496 char_u *save_ptr;
4563 e7016af0cbf9 updated for version 7.3.1029 Bram Moolenaar <bram@vim.org> parents: 4561 diff changeset	4497 int i;
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4498 regsub_T *sub;
5074 1cacf785299e updated for version 7.3.1280 Bram Moolenaar <bram@vim.org> parents: 5058 diff changeset	4499 regsubs_T *subs = subs_arg;
1cacf785299e updated for version 7.3.1280 Bram Moolenaar <bram@vim.org> parents: 5058 diff changeset	4500 static regsubs_T temp_subs;
4657 93b7ed814bec updated for version 7.3.1076 Bram Moolenaar <bram@vim.org> parents: 4655 diff changeset	4501 #ifdef ENABLE_LOG
93b7ed814bec updated for version 7.3.1076 Bram Moolenaar <bram@vim.org> parents: 4655 diff changeset	4502 int did_print = FALSE;
93b7ed814bec updated for version 7.3.1076 Bram Moolenaar <bram@vim.org> parents: 4655 diff changeset	4503 #endif
15796 481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	4504 static int depth = 0;
481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	4505
29191 0af5fe160e4e patch 8.2.5115: search timeout is overrun with some patterns Bram Moolenaar <Bram@vim.org> parents: 29071 diff changeset	4506 #ifdef FEAT_RELTIME
0af5fe160e4e patch 8.2.5115: search timeout is overrun with some patterns Bram Moolenaar <Bram@vim.org> parents: 29071 diff changeset	4507 if (nfa_did_time_out())
0af5fe160e4e patch 8.2.5115: search timeout is overrun with some patterns Bram Moolenaar <Bram@vim.org> parents: 29071 diff changeset	4508 return NULL;
0af5fe160e4e patch 8.2.5115: search timeout is overrun with some patterns Bram Moolenaar <Bram@vim.org> parents: 29071 diff changeset	4509 #endif
0af5fe160e4e patch 8.2.5115: search timeout is overrun with some patterns Bram Moolenaar <Bram@vim.org> parents: 29071 diff changeset	4510
15796 481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	4511 // This function is called recursively. When the depth is too much we run
481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	4512 // out of stack and crash, limit recursiveness here.
15800 483fda269100 patch 8.1.0907: CI tests on AppVeyor are failing Bram Moolenaar <Bram@vim.org> parents: 15796 diff changeset	4513 if (++depth >= 5000 \|\| subs == NULL)
15796 481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	4514 {
481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	4515 --depth;
481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	4516 return NULL;
481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	4517 }
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4518
10170 4acacf4081ce commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce Christian Brabandt <cb@256bit.org> parents: 10168 diff changeset	4519 if (off_arg <= -ADDSTATE_HERE_OFFSET)
4acacf4081ce commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce Christian Brabandt <cb@256bit.org> parents: 10168 diff changeset	4520 {
4acacf4081ce commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce Christian Brabandt <cb@256bit.org> parents: 10168 diff changeset	4521 add_here = TRUE;
4acacf4081ce commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce Christian Brabandt <cb@256bit.org> parents: 10168 diff changeset	4522 off = 0;
4acacf4081ce commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce Christian Brabandt <cb@256bit.org> parents: 10168 diff changeset	4523 listindex = -(off_arg + ADDSTATE_HERE_OFFSET);
4acacf4081ce commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce Christian Brabandt <cb@256bit.org> parents: 10168 diff changeset	4524 }
4acacf4081ce commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce Christian Brabandt <cb@256bit.org> parents: 10168 diff changeset	4525
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4526 switch (state->c)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4527 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4528 case NFA_NCLOSE:
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4529 case NFA_MCLOSE:
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4530 case NFA_MCLOSE1:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4531 case NFA_MCLOSE2:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4532 case NFA_MCLOSE3:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4533 case NFA_MCLOSE4:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4534 case NFA_MCLOSE5:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4535 case NFA_MCLOSE6:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4536 case NFA_MCLOSE7:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4537 case NFA_MCLOSE8:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4538 case NFA_MCLOSE9:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4539 #ifdef FEAT_SYN_HL
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4540 case NFA_ZCLOSE:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4541 case NFA_ZCLOSE1:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4542 case NFA_ZCLOSE2:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4543 case NFA_ZCLOSE3:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4544 case NFA_ZCLOSE4:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4545 case NFA_ZCLOSE5:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4546 case NFA_ZCLOSE6:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4547 case NFA_ZCLOSE7:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4548 case NFA_ZCLOSE8:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4549 case NFA_ZCLOSE9:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4550 #endif
5251 2e63b6c763f7 updated for version 7.4b.002 Bram Moolenaar <bram@vim.org> parents: 5227 diff changeset	4551 case NFA_MOPEN:
4748 4b9503f0c7d3 updated for version 7.3.1121 Bram Moolenaar <bram@vim.org> parents: 4746 diff changeset	4552 case NFA_ZEND:
4815 6419ee8098c8 updated for version 7.3.1154 Bram Moolenaar <bram@vim.org> parents: 4813 diff changeset	4553 case NFA_SPLIT:
5370 90e2f0729a0d updated for version 7.4.036 Bram Moolenaar <bram@vim.org> parents: 5360 diff changeset	4554 case NFA_EMPTY:
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	4555 // These nodes are not added themselves but their "out" and/or
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	4556 // "out1" may be added below.
4571 b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	4557 break;
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	4558
5251 2e63b6c763f7 updated for version 7.4b.002 Bram Moolenaar <bram@vim.org> parents: 5227 diff changeset	4559 case NFA_BOL:
2e63b6c763f7 updated for version 7.4b.002 Bram Moolenaar <bram@vim.org> parents: 5227 diff changeset	4560 case NFA_BOF:
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	4561 // "^" won't match past end-of-line, don't bother trying.
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	4562 // Except when at the end of the line, or when we are going to the
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	4563 // next line for a look-behind match.
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	4564 if (rex.input > rex.line
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	4565 && *rex.input != NUL
5251 2e63b6c763f7 updated for version 7.4b.002 Bram Moolenaar <bram@vim.org> parents: 5227 diff changeset	4566 && (nfa_endp == NULL
2e63b6c763f7 updated for version 7.4b.002 Bram Moolenaar <bram@vim.org> parents: 5227 diff changeset	4567 \|\| !REG_MULTI
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	4568 \|\| rex.lnum == nfa_endp->se_u.pos.lnum))
5251 2e63b6c763f7 updated for version 7.4b.002 Bram Moolenaar <bram@vim.org> parents: 5227 diff changeset	4569 goto skip_add;
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	4570 // FALLTHROUGH
5251 2e63b6c763f7 updated for version 7.4b.002 Bram Moolenaar <bram@vim.org> parents: 5227 diff changeset	4571
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4572 case NFA_MOPEN1:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4573 case NFA_MOPEN2:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4574 case NFA_MOPEN3:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4575 case NFA_MOPEN4:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4576 case NFA_MOPEN5:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4577 case NFA_MOPEN6:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4578 case NFA_MOPEN7:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4579 case NFA_MOPEN8:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4580 case NFA_MOPEN9:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4581 #ifdef FEAT_SYN_HL
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4582 case NFA_ZOPEN:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4583 case NFA_ZOPEN1:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4584 case NFA_ZOPEN2:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4585 case NFA_ZOPEN3:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4586 case NFA_ZOPEN4:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4587 case NFA_ZOPEN5:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4588 case NFA_ZOPEN6:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4589 case NFA_ZOPEN7:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4590 case NFA_ZOPEN8:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4591 case NFA_ZOPEN9:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4592 #endif
5251 2e63b6c763f7 updated for version 7.4b.002 Bram Moolenaar <bram@vim.org> parents: 5227 diff changeset	4593 case NFA_NOPEN:
4748 4b9503f0c7d3 updated for version 7.3.1121 Bram Moolenaar <bram@vim.org> parents: 4746 diff changeset	4594 case NFA_ZSTART:
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	4595 // These nodes need to be added so that we can bail out when it
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	4596 // was added to this list before at the same position to avoid an
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	4597 // endless loop for "*"
4694 efc4fb311d5d updated for version 7.3.1094 Bram Moolenaar <bram@vim.org> parents: 4692 diff changeset	4598
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4599 default:
5502 5ad60cd88339 updated for version 7.4.100 Bram Moolenaar <bram@vim.org> parents: 5401 diff changeset	4600 if (state->lastlist[nfa_ll_index] == l->id && state->c != NFA_SKIP)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4601 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	4602 // This state is already in the list, don't add it again,
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	4603 // unless it is an MOPEN that is used for a backreference or
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	4604 // when there is a PIM. For NFA_MATCH check the position,
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	4605 // lower position is preferred.
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	4606 if (!rex.nfa_has_backref && pim == NULL && !l->has_pim
5895 b871734bf54e updated for version 7.4.290 Bram Moolenaar <bram@vim.org> parents: 5893 diff changeset	4607 && state->c != NFA_MATCH)
4657 93b7ed814bec updated for version 7.3.1076 Bram Moolenaar <bram@vim.org> parents: 4655 diff changeset	4608 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	4609 // When called from addstate_here() do insert before
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	4610 // existing states.
10170 4acacf4081ce commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce Christian Brabandt <cb@256bit.org> parents: 10168 diff changeset	4611 if (add_here)
4acacf4081ce commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce Christian Brabandt <cb@256bit.org> parents: 10168 diff changeset	4612 {
4acacf4081ce commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce Christian Brabandt <cb@256bit.org> parents: 10168 diff changeset	4613 for (k = 0; k < l->n && k < listindex; ++k)
4acacf4081ce commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce Christian Brabandt <cb@256bit.org> parents: 10168 diff changeset	4614 if (l->t[k].state->id == state->id)
4acacf4081ce commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce Christian Brabandt <cb@256bit.org> parents: 10168 diff changeset	4615 {
4acacf4081ce commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce Christian Brabandt <cb@256bit.org> parents: 10168 diff changeset	4616 found = TRUE;
4acacf4081ce commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce Christian Brabandt <cb@256bit.org> parents: 10168 diff changeset	4617 break;
4acacf4081ce commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce Christian Brabandt <cb@256bit.org> parents: 10168 diff changeset	4618 }
4acacf4081ce commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce Christian Brabandt <cb@256bit.org> parents: 10168 diff changeset	4619 }
4acacf4081ce commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce Christian Brabandt <cb@256bit.org> parents: 10168 diff changeset	4620 if (!add_here \|\| found)
4acacf4081ce commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce Christian Brabandt <cb@256bit.org> parents: 10168 diff changeset	4621 {
4657 93b7ed814bec updated for version 7.3.1076 Bram Moolenaar <bram@vim.org> parents: 4655 diff changeset	4622 skip_add:
93b7ed814bec updated for version 7.3.1076 Bram Moolenaar <bram@vim.org> parents: 4655 diff changeset	4623 #ifdef ENABLE_LOG
10170 4acacf4081ce commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce Christian Brabandt <cb@256bit.org> parents: 10168 diff changeset	4624 nfa_set_code(state->c);
4acacf4081ce commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce Christian Brabandt <cb@256bit.org> parents: 10168 diff changeset	4625 fprintf(log_fd, "> Not adding state %d to list %d. char %d: %s pim: %s has_pim: %d found: %d\n",
4acacf4081ce commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce Christian Brabandt <cb@256bit.org> parents: 10168 diff changeset	4626 abs(state->id), l->id, state->c, code,
4acacf4081ce commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce Christian Brabandt <cb@256bit.org> parents: 10168 diff changeset	4627 pim == NULL ? "NULL" : "yes", l->has_pim, found);
4657 93b7ed814bec updated for version 7.3.1076 Bram Moolenaar <bram@vim.org> parents: 4655 diff changeset	4628 #endif
15796 481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	4629 --depth;
10170 4acacf4081ce commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce Christian Brabandt <cb@256bit.org> parents: 10168 diff changeset	4630 return subs;
4acacf4081ce commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce Christian Brabandt <cb@256bit.org> parents: 10168 diff changeset	4631 }
4657 93b7ed814bec updated for version 7.3.1076 Bram Moolenaar <bram@vim.org> parents: 4655 diff changeset	4632 }
4647 857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	4633
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	4634 // Do not add the state again when it exists with the same
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	4635 // positions.
5212 2741b46e96bf updated for version 7.4a.032 Bram Moolenaar <bram@vim.org> parents: 5210 diff changeset	4636 if (has_state_with_pos(l, state, subs, pim))
4787 7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	4637 goto skip_add;
4647 857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	4638 }
857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	4639
15812 3808b583889e patch 8.1.0913: CI crashes when running out of memory Bram Moolenaar <Bram@vim.org> parents: 15806 diff changeset	4640 // When there are backreferences or PIMs the number of states may
3808b583889e patch 8.1.0913: CI crashes when running out of memory Bram Moolenaar <Bram@vim.org> parents: 15806 diff changeset	4641 // be (a lot) bigger than anticipated.
5006 f451d60ab8ec updated for version 7.3.1247 Bram Moolenaar <bram@vim.org> parents: 4997 diff changeset	4642 if (l->n == l->len)
4647 857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	4643 {
15806 6a4e9d9f1d66 patch 8.1.0910: crash with tricky search pattern Bram Moolenaar <Bram@vim.org> parents: 15802 diff changeset	4644 int newlen = l->len * 3 / 2 + 50;
15812 3808b583889e patch 8.1.0913: CI crashes when running out of memory Bram Moolenaar <Bram@vim.org> parents: 15806 diff changeset	4645 size_t newsize = newlen * sizeof(nfa_thread_T);
15806 6a4e9d9f1d66 patch 8.1.0910: crash with tricky search pattern Bram Moolenaar <Bram@vim.org> parents: 15802 diff changeset	4646 nfa_thread_T *newt;
4647 857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	4647
15812 3808b583889e patch 8.1.0913: CI crashes when running out of memory Bram Moolenaar <Bram@vim.org> parents: 15806 diff changeset	4648 if ((long)(newsize >> 10) >= p_mmp)
3808b583889e patch 8.1.0913: CI crashes when running out of memory Bram Moolenaar <Bram@vim.org> parents: 15806 diff changeset	4649 {
26883 7f150a4936f2 patch 8.2.3970: error messages are spread out Bram Moolenaar <Bram@vim.org> parents: 26771 diff changeset	4650 emsg(_(e_pattern_uses_more_memory_than_maxmempattern));
15812 3808b583889e patch 8.1.0913: CI crashes when running out of memory Bram Moolenaar <Bram@vim.org> parents: 15806 diff changeset	4651 --depth;
3808b583889e patch 8.1.0913: CI crashes when running out of memory Bram Moolenaar <Bram@vim.org> parents: 15806 diff changeset	4652 return NULL;
3808b583889e patch 8.1.0913: CI crashes when running out of memory Bram Moolenaar <Bram@vim.org> parents: 15806 diff changeset	4653 }
5074 1cacf785299e updated for version 7.3.1280 Bram Moolenaar <bram@vim.org> parents: 5058 diff changeset	4654 if (subs != &temp_subs)
1cacf785299e updated for version 7.3.1280 Bram Moolenaar <bram@vim.org> parents: 5058 diff changeset	4655 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	4656 // "subs" may point into the current array, need to make a
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	4657 // copy before it becomes invalid.
5074 1cacf785299e updated for version 7.3.1280 Bram Moolenaar <bram@vim.org> parents: 5058 diff changeset	4658 copy_sub(&temp_subs.norm, &subs->norm);
1cacf785299e updated for version 7.3.1280 Bram Moolenaar <bram@vim.org> parents: 5058 diff changeset	4659 #ifdef FEAT_SYN_HL
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	4660 if (rex.nfa_has_zsubexpr)
5074 1cacf785299e updated for version 7.3.1280 Bram Moolenaar <bram@vim.org> parents: 5058 diff changeset	4661 copy_sub(&temp_subs.synt, &subs->synt);
1cacf785299e updated for version 7.3.1280 Bram Moolenaar <bram@vim.org> parents: 5058 diff changeset	4662 #endif
1cacf785299e updated for version 7.3.1280 Bram Moolenaar <bram@vim.org> parents: 5058 diff changeset	4663 subs = &temp_subs;
1cacf785299e updated for version 7.3.1280 Bram Moolenaar <bram@vim.org> parents: 5058 diff changeset	4664 }
1cacf785299e updated for version 7.3.1280 Bram Moolenaar <bram@vim.org> parents: 5058 diff changeset	4665
15812 3808b583889e patch 8.1.0913: CI crashes when running out of memory Bram Moolenaar <Bram@vim.org> parents: 15806 diff changeset	4666 newt = vim_realloc(l->t, newsize);
15806 6a4e9d9f1d66 patch 8.1.0910: crash with tricky search pattern Bram Moolenaar <Bram@vim.org> parents: 15802 diff changeset	4667 if (newt == NULL)
6a4e9d9f1d66 patch 8.1.0910: crash with tricky search pattern Bram Moolenaar <Bram@vim.org> parents: 15802 diff changeset	4668 {
6a4e9d9f1d66 patch 8.1.0910: crash with tricky search pattern Bram Moolenaar <Bram@vim.org> parents: 15802 diff changeset	4669 // out of memory
6a4e9d9f1d66 patch 8.1.0910: crash with tricky search pattern Bram Moolenaar <Bram@vim.org> parents: 15802 diff changeset	4670 --depth;
6a4e9d9f1d66 patch 8.1.0910: crash with tricky search pattern Bram Moolenaar <Bram@vim.org> parents: 15802 diff changeset	4671 return NULL;
6a4e9d9f1d66 patch 8.1.0910: crash with tricky search pattern Bram Moolenaar <Bram@vim.org> parents: 15802 diff changeset	4672 }
6a4e9d9f1d66 patch 8.1.0910: crash with tricky search pattern Bram Moolenaar <Bram@vim.org> parents: 15802 diff changeset	4673 l->t = newt;
4647 857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	4674 l->len = newlen;
4571 b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	4675 }
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	4676
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	4677 // add the state to the list
4718 ec72bb4a0fc2 updated for version 7.3.1106 Bram Moolenaar <bram@vim.org> parents: 4716 diff changeset	4678 state->lastlist[nfa_ll_index] = l->id;
4647 857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	4679 thread = &l->t[l->n++];
857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	4680 thread->state = state;
4813 bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	4681 if (pim == NULL)
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	4682 thread->pim.result = NFA_PIM_UNUSED;
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	4683 else
5227 a08fa2919f2b updated for version 7.4a.039 Bram Moolenaar <bram@vim.org> parents: 5221 diff changeset	4684 {
4813 bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	4685 copy_pim(&thread->pim, pim);
5227 a08fa2919f2b updated for version 7.4a.039 Bram Moolenaar <bram@vim.org> parents: 5221 diff changeset	4686 l->has_pim = TRUE;
a08fa2919f2b updated for version 7.4a.039 Bram Moolenaar <bram@vim.org> parents: 5221 diff changeset	4687 }
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4688 copy_sub(&thread->subs.norm, &subs->norm);
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4689 #ifdef FEAT_SYN_HL
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	4690 if (rex.nfa_has_zsubexpr)
4712 832bf8136d86 updated for version 7.3.1103 Bram Moolenaar <bram@vim.org> parents: 4696 diff changeset	4691 copy_sub(&thread->subs.synt, &subs->synt);
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4692 #endif
4657 93b7ed814bec updated for version 7.3.1076 Bram Moolenaar <bram@vim.org> parents: 4655 diff changeset	4693 #ifdef ENABLE_LOG
4813 bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	4694 report_state("Adding", &thread->subs.norm, state, l->id, pim);
4712 832bf8136d86 updated for version 7.3.1103 Bram Moolenaar <bram@vim.org> parents: 4696 diff changeset	4695 did_print = TRUE;
4657 93b7ed814bec updated for version 7.3.1076 Bram Moolenaar <bram@vim.org> parents: 4655 diff changeset	4696 #endif
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4697 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4698
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4699 #ifdef ENABLE_LOG
4657 93b7ed814bec updated for version 7.3.1076 Bram Moolenaar <bram@vim.org> parents: 4655 diff changeset	4700 if (!did_print)
4813 bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	4701 report_state("Processing", &subs->norm, state, l->id, pim);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4702 #endif
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4703 switch (state->c)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4704 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4705 case NFA_MATCH:
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4706 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4707
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4708 case NFA_SPLIT:
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	4709 // order matters here
10170 4acacf4081ce commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce Christian Brabandt <cb@256bit.org> parents: 10168 diff changeset	4710 subs = addstate(l, state->out, subs, pim, off_arg);
4acacf4081ce commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce Christian Brabandt <cb@256bit.org> parents: 10168 diff changeset	4711 subs = addstate(l, state->out1, subs, pim, off_arg);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4712 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4713
5370 90e2f0729a0d updated for version 7.4.036 Bram Moolenaar <bram@vim.org> parents: 5360 diff changeset	4714 case NFA_EMPTY:
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4715 case NFA_NOPEN:
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4716 case NFA_NCLOSE:
10170 4acacf4081ce commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce Christian Brabandt <cb@256bit.org> parents: 10168 diff changeset	4717 subs = addstate(l, state->out, subs, pim, off_arg);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4718 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4719
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4720 case NFA_MOPEN:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4721 case NFA_MOPEN1:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4722 case NFA_MOPEN2:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4723 case NFA_MOPEN3:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4724 case NFA_MOPEN4:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4725 case NFA_MOPEN5:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4726 case NFA_MOPEN6:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4727 case NFA_MOPEN7:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4728 case NFA_MOPEN8:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4729 case NFA_MOPEN9:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4730 #ifdef FEAT_SYN_HL
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4731 case NFA_ZOPEN:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4732 case NFA_ZOPEN1:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4733 case NFA_ZOPEN2:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4734 case NFA_ZOPEN3:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4735 case NFA_ZOPEN4:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4736 case NFA_ZOPEN5:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4737 case NFA_ZOPEN6:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4738 case NFA_ZOPEN7:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4739 case NFA_ZOPEN8:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4740 case NFA_ZOPEN9:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4741 #endif
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4742 case NFA_ZSTART:
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4743 if (state->c == NFA_ZSTART)
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4744 {
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4745 subidx = 0;
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4746 sub = &subs->norm;
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4747 }
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4748 #ifdef FEAT_SYN_HL
5300 560a6a232950 updated for version 7.4.003 Bram Moolenaar <bram@vim.org> parents: 5298 diff changeset	4749 else if (state->c >= NFA_ZOPEN && state->c <= NFA_ZOPEN9)
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4750 {
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4751 subidx = state->c - NFA_ZOPEN;
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4752 sub = &subs->synt;
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4753 }
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4754 #endif
4561 4d81fdda8f35 updated for version 7.3.1028 Bram Moolenaar <bram@vim.org> parents: 4559 diff changeset	4755 else
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4756 {
4561 4d81fdda8f35 updated for version 7.3.1028 Bram Moolenaar <bram@vim.org> parents: 4559 diff changeset	4757 subidx = state->c - NFA_MOPEN;
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4758 sub = &subs->norm;
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4759 }
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4760
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	4761 // avoid compiler warnings
5210 839ebe7c1b2f updated for version 7.4a.031 Bram Moolenaar <bram@vim.org> parents: 5188 diff changeset	4762 save_ptr = NULL;
20007 aadd1cae2ff5 patch 8.2.0559: clearing a struct is verbose Bram Moolenaar <Bram@vim.org> parents: 19405 diff changeset	4763 CLEAR_FIELD(save_multipos);
5210 839ebe7c1b2f updated for version 7.4a.031 Bram Moolenaar <bram@vim.org> parents: 5188 diff changeset	4764
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	4765 // Set the position (with "off" added) in the subexpression. Save
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	4766 // and restore it when it was in use. Otherwise fill any gap.
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4767 if (REG_MULTI)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4768 {
4571 b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	4769 if (subidx < sub->in_use)
4563 e7016af0cbf9 updated for version 7.3.1029 Bram Moolenaar <bram@vim.org> parents: 4561 diff changeset	4770 {
10168 3c37899baa8d commit https://github.com/vim/vim/commit/d563883a1fb5ec6cf4a2758c5e36ac1ff4e9bb3d Christian Brabandt <cb@256bit.org> parents: 10042 diff changeset	4771 save_multipos = sub->list.multi[subidx];
4563 e7016af0cbf9 updated for version 7.3.1029 Bram Moolenaar <bram@vim.org> parents: 4561 diff changeset	4772 save_in_use = -1;
e7016af0cbf9 updated for version 7.3.1029 Bram Moolenaar <bram@vim.org> parents: 4561 diff changeset	4773 }
e7016af0cbf9 updated for version 7.3.1029 Bram Moolenaar <bram@vim.org> parents: 4561 diff changeset	4774 else
e7016af0cbf9 updated for version 7.3.1029 Bram Moolenaar <bram@vim.org> parents: 4561 diff changeset	4775 {
4571 b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	4776 save_in_use = sub->in_use;
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	4777 for (i = sub->in_use; i < subidx; ++i)
4563 e7016af0cbf9 updated for version 7.3.1029 Bram Moolenaar <bram@vim.org> parents: 4561 diff changeset	4778 {
6547 436d6c9e57f2 updated for version 7.4.600 Bram Moolenaar <bram@vim.org> parents: 6545 diff changeset	4779 sub->list.multi[i].start_lnum = -1;
436d6c9e57f2 updated for version 7.4.600 Bram Moolenaar <bram@vim.org> parents: 6545 diff changeset	4780 sub->list.multi[i].end_lnum = -1;
4563 e7016af0cbf9 updated for version 7.3.1029 Bram Moolenaar <bram@vim.org> parents: 4561 diff changeset	4781 }
4571 b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	4782 sub->in_use = subidx + 1;
4563 e7016af0cbf9 updated for version 7.3.1029 Bram Moolenaar <bram@vim.org> parents: 4561 diff changeset	4783 }
4515 90e9917d4114 updated for version 7.3.1005 Bram Moolenaar <bram@vim.org> parents: 4507 diff changeset	4784 if (off == -1)
90e9917d4114 updated for version 7.3.1005 Bram Moolenaar <bram@vim.org> parents: 4507 diff changeset	4785 {
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	4786 sub->list.multi[subidx].start_lnum = rex.lnum + 1;
6547 436d6c9e57f2 updated for version 7.4.600 Bram Moolenaar <bram@vim.org> parents: 6545 diff changeset	4787 sub->list.multi[subidx].start_col = 0;
4515 90e9917d4114 updated for version 7.3.1005 Bram Moolenaar <bram@vim.org> parents: 4507 diff changeset	4788 }
90e9917d4114 updated for version 7.3.1005 Bram Moolenaar <bram@vim.org> parents: 4507 diff changeset	4789 else
90e9917d4114 updated for version 7.3.1005 Bram Moolenaar <bram@vim.org> parents: 4507 diff changeset	4790 {
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	4791 sub->list.multi[subidx].start_lnum = rex.lnum;
6547 436d6c9e57f2 updated for version 7.4.600 Bram Moolenaar <bram@vim.org> parents: 6545 diff changeset	4792 sub->list.multi[subidx].start_col =
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	4793 (colnr_T)(rex.input - rex.line + off);
4515 90e9917d4114 updated for version 7.3.1005 Bram Moolenaar <bram@vim.org> parents: 4507 diff changeset	4794 }
7152 cbdc02d71a18 commit https://github.com/vim/vim/commit/c2b717ebd6719e722dcb5f10e4c74033a53ff7c7 Christian Brabandt <cb@256bit.org> parents: 6914 diff changeset	4795 sub->list.multi[subidx].end_lnum = -1;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4796 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4797 else
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4798 {
4571 b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	4799 if (subidx < sub->in_use)
4563 e7016af0cbf9 updated for version 7.3.1029 Bram Moolenaar <bram@vim.org> parents: 4561 diff changeset	4800 {
4577 b22bff1a6af8 updated for version 7.3.1036 Bram Moolenaar <bram@vim.org> parents: 4573 diff changeset	4801 save_ptr = sub->list.line[subidx].start;
4563 e7016af0cbf9 updated for version 7.3.1029 Bram Moolenaar <bram@vim.org> parents: 4561 diff changeset	4802 save_in_use = -1;
e7016af0cbf9 updated for version 7.3.1029 Bram Moolenaar <bram@vim.org> parents: 4561 diff changeset	4803 }
e7016af0cbf9 updated for version 7.3.1029 Bram Moolenaar <bram@vim.org> parents: 4561 diff changeset	4804 else
e7016af0cbf9 updated for version 7.3.1029 Bram Moolenaar <bram@vim.org> parents: 4561 diff changeset	4805 {
4571 b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	4806 save_in_use = sub->in_use;
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	4807 for (i = sub->in_use; i < subidx; ++i)
4563 e7016af0cbf9 updated for version 7.3.1029 Bram Moolenaar <bram@vim.org> parents: 4561 diff changeset	4808 {
4577 b22bff1a6af8 updated for version 7.3.1036 Bram Moolenaar <bram@vim.org> parents: 4573 diff changeset	4809 sub->list.line[i].start = NULL;
b22bff1a6af8 updated for version 7.3.1036 Bram Moolenaar <bram@vim.org> parents: 4573 diff changeset	4810 sub->list.line[i].end = NULL;
4563 e7016af0cbf9 updated for version 7.3.1029 Bram Moolenaar <bram@vim.org> parents: 4561 diff changeset	4811 }
4571 b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	4812 sub->in_use = subidx + 1;
4563 e7016af0cbf9 updated for version 7.3.1029 Bram Moolenaar <bram@vim.org> parents: 4561 diff changeset	4813 }
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	4814 sub->list.line[subidx].start = rex.input + off;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4815 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4816
10170 4acacf4081ce commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce Christian Brabandt <cb@256bit.org> parents: 10168 diff changeset	4817 subs = addstate(l, state->out, subs, pim, off_arg);
15796 481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	4818 if (subs == NULL)
481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	4819 break;
481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	4820 // "subs" may have changed, need to set "sub" again
5300 560a6a232950 updated for version 7.4.003 Bram Moolenaar <bram@vim.org> parents: 5298 diff changeset	4821 #ifdef FEAT_SYN_HL
560a6a232950 updated for version 7.4.003 Bram Moolenaar <bram@vim.org> parents: 5298 diff changeset	4822 if (state->c >= NFA_ZOPEN && state->c <= NFA_ZOPEN9)
560a6a232950 updated for version 7.4.003 Bram Moolenaar <bram@vim.org> parents: 5298 diff changeset	4823 sub = &subs->synt;
560a6a232950 updated for version 7.4.003 Bram Moolenaar <bram@vim.org> parents: 5298 diff changeset	4824 else
560a6a232950 updated for version 7.4.003 Bram Moolenaar <bram@vim.org> parents: 5298 diff changeset	4825 #endif
560a6a232950 updated for version 7.4.003 Bram Moolenaar <bram@vim.org> parents: 5298 diff changeset	4826 sub = &subs->norm;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4827
4563 e7016af0cbf9 updated for version 7.3.1029 Bram Moolenaar <bram@vim.org> parents: 4561 diff changeset	4828 if (save_in_use == -1)
e7016af0cbf9 updated for version 7.3.1029 Bram Moolenaar <bram@vim.org> parents: 4561 diff changeset	4829 {
e7016af0cbf9 updated for version 7.3.1029 Bram Moolenaar <bram@vim.org> parents: 4561 diff changeset	4830 if (REG_MULTI)
10168 3c37899baa8d commit https://github.com/vim/vim/commit/d563883a1fb5ec6cf4a2758c5e36ac1ff4e9bb3d Christian Brabandt <cb@256bit.org> parents: 10042 diff changeset	4831 sub->list.multi[subidx] = save_multipos;
4563 e7016af0cbf9 updated for version 7.3.1029 Bram Moolenaar <bram@vim.org> parents: 4561 diff changeset	4832 else
4577 b22bff1a6af8 updated for version 7.3.1036 Bram Moolenaar <bram@vim.org> parents: 4573 diff changeset	4833 sub->list.line[subidx].start = save_ptr;
4563 e7016af0cbf9 updated for version 7.3.1029 Bram Moolenaar <bram@vim.org> parents: 4561 diff changeset	4834 }
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4835 else
4571 b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	4836 sub->in_use = save_in_use;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4837 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4838
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4839 case NFA_MCLOSE:
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	4840 if (rex.nfa_has_zend && (REG_MULTI
6547 436d6c9e57f2 updated for version 7.4.600 Bram Moolenaar <bram@vim.org> parents: 6545 diff changeset	4841 ? subs->norm.list.multi[0].end_lnum >= 0
5336 c514693882b9 updated for version 7.4.021 Bram Moolenaar <bram@vim.org> parents: 5334 diff changeset	4842 : subs->norm.list.line[0].end != NULL))
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4843 {
15796 481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	4844 // Do not overwrite the position set by \ze.
10170 4acacf4081ce commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce Christian Brabandt <cb@256bit.org> parents: 10168 diff changeset	4845 subs = addstate(l, state->out, subs, pim, off_arg);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4846 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4847 }
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	4848 // FALLTHROUGH
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4849 case NFA_MCLOSE1:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4850 case NFA_MCLOSE2:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4851 case NFA_MCLOSE3:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4852 case NFA_MCLOSE4:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4853 case NFA_MCLOSE5:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4854 case NFA_MCLOSE6:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4855 case NFA_MCLOSE7:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4856 case NFA_MCLOSE8:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4857 case NFA_MCLOSE9:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4858 #ifdef FEAT_SYN_HL
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4859 case NFA_ZCLOSE:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4860 case NFA_ZCLOSE1:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4861 case NFA_ZCLOSE2:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4862 case NFA_ZCLOSE3:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4863 case NFA_ZCLOSE4:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4864 case NFA_ZCLOSE5:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4865 case NFA_ZCLOSE6:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4866 case NFA_ZCLOSE7:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4867 case NFA_ZCLOSE8:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4868 case NFA_ZCLOSE9:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4869 #endif
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4870 case NFA_ZEND:
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4871 if (state->c == NFA_ZEND)
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4872 {
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4873 subidx = 0;
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4874 sub = &subs->norm;
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4875 }
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4876 #ifdef FEAT_SYN_HL
5300 560a6a232950 updated for version 7.4.003 Bram Moolenaar <bram@vim.org> parents: 5298 diff changeset	4877 else if (state->c >= NFA_ZCLOSE && state->c <= NFA_ZCLOSE9)
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4878 {
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4879 subidx = state->c - NFA_ZCLOSE;
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4880 sub = &subs->synt;
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4881 }
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4882 #endif
4561 4d81fdda8f35 updated for version 7.3.1028 Bram Moolenaar <bram@vim.org> parents: 4559 diff changeset	4883 else
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4884 {
4561 4d81fdda8f35 updated for version 7.3.1028 Bram Moolenaar <bram@vim.org> parents: 4559 diff changeset	4885 subidx = state->c - NFA_MCLOSE;
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4886 sub = &subs->norm;
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4887 }
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4888
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	4889 // We don't fill in gaps here, there must have been an MOPEN that
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	4890 // has done that.
4571 b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	4891 save_in_use = sub->in_use;
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	4892 if (sub->in_use <= subidx)
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	4893 sub->in_use = subidx + 1;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4894 if (REG_MULTI)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4895 {
10168 3c37899baa8d commit https://github.com/vim/vim/commit/d563883a1fb5ec6cf4a2758c5e36ac1ff4e9bb3d Christian Brabandt <cb@256bit.org> parents: 10042 diff changeset	4896 save_multipos = sub->list.multi[subidx];
4515 90e9917d4114 updated for version 7.3.1005 Bram Moolenaar <bram@vim.org> parents: 4507 diff changeset	4897 if (off == -1)
90e9917d4114 updated for version 7.3.1005 Bram Moolenaar <bram@vim.org> parents: 4507 diff changeset	4898 {
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	4899 sub->list.multi[subidx].end_lnum = rex.lnum + 1;
6547 436d6c9e57f2 updated for version 7.4.600 Bram Moolenaar <bram@vim.org> parents: 6545 diff changeset	4900 sub->list.multi[subidx].end_col = 0;
4515 90e9917d4114 updated for version 7.3.1005 Bram Moolenaar <bram@vim.org> parents: 4507 diff changeset	4901 }
90e9917d4114 updated for version 7.3.1005 Bram Moolenaar <bram@vim.org> parents: 4507 diff changeset	4902 else
90e9917d4114 updated for version 7.3.1005 Bram Moolenaar <bram@vim.org> parents: 4507 diff changeset	4903 {
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	4904 sub->list.multi[subidx].end_lnum = rex.lnum;
6547 436d6c9e57f2 updated for version 7.4.600 Bram Moolenaar <bram@vim.org> parents: 6545 diff changeset	4905 sub->list.multi[subidx].end_col =
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	4906 (colnr_T)(rex.input - rex.line + off);
4515 90e9917d4114 updated for version 7.3.1005 Bram Moolenaar <bram@vim.org> parents: 4507 diff changeset	4907 }
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	4908 // avoid compiler warnings
5210 839ebe7c1b2f updated for version 7.4a.031 Bram Moolenaar <bram@vim.org> parents: 5188 diff changeset	4909 save_ptr = NULL;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4910 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4911 else
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4912 {
4577 b22bff1a6af8 updated for version 7.3.1036 Bram Moolenaar <bram@vim.org> parents: 4573 diff changeset	4913 save_ptr = sub->list.line[subidx].end;
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	4914 sub->list.line[subidx].end = rex.input + off;
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	4915 // avoid compiler warnings
20007 aadd1cae2ff5 patch 8.2.0559: clearing a struct is verbose Bram Moolenaar <Bram@vim.org> parents: 19405 diff changeset	4916 CLEAR_FIELD(save_multipos);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4917 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4918
10170 4acacf4081ce commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce Christian Brabandt <cb@256bit.org> parents: 10168 diff changeset	4919 subs = addstate(l, state->out, subs, pim, off_arg);
15796 481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	4920 if (subs == NULL)
481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	4921 break;
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	4922 // "subs" may have changed, need to set "sub" again
5300 560a6a232950 updated for version 7.4.003 Bram Moolenaar <bram@vim.org> parents: 5298 diff changeset	4923 #ifdef FEAT_SYN_HL
560a6a232950 updated for version 7.4.003 Bram Moolenaar <bram@vim.org> parents: 5298 diff changeset	4924 if (state->c >= NFA_ZCLOSE && state->c <= NFA_ZCLOSE9)
560a6a232950 updated for version 7.4.003 Bram Moolenaar <bram@vim.org> parents: 5298 diff changeset	4925 sub = &subs->synt;
560a6a232950 updated for version 7.4.003 Bram Moolenaar <bram@vim.org> parents: 5298 diff changeset	4926 else
560a6a232950 updated for version 7.4.003 Bram Moolenaar <bram@vim.org> parents: 5298 diff changeset	4927 #endif
560a6a232950 updated for version 7.4.003 Bram Moolenaar <bram@vim.org> parents: 5298 diff changeset	4928 sub = &subs->norm;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4929
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4930 if (REG_MULTI)
10168 3c37899baa8d commit https://github.com/vim/vim/commit/d563883a1fb5ec6cf4a2758c5e36ac1ff4e9bb3d Christian Brabandt <cb@256bit.org> parents: 10042 diff changeset	4931 sub->list.multi[subidx] = save_multipos;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4932 else
4577 b22bff1a6af8 updated for version 7.3.1036 Bram Moolenaar <bram@vim.org> parents: 4573 diff changeset	4933 sub->list.line[subidx].end = save_ptr;
4571 b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	4934 sub->in_use = save_in_use;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4935 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4936 }
15796 481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	4937 --depth;
5074 1cacf785299e updated for version 7.3.1280 Bram Moolenaar <bram@vim.org> parents: 5058 diff changeset	4938 return subs;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4939 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4940
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4941 /*
4539 532c2e850256 updated for version 7.3.1017 Bram Moolenaar <bram@vim.org> parents: 4537 diff changeset	4942 * Like addstate(), but the new state(s) are put at position "*ip".
532c2e850256 updated for version 7.3.1017 Bram Moolenaar <bram@vim.org> parents: 4537 diff changeset	4943 * Used for zero-width matches, next state to use is the added one.
532c2e850256 updated for version 7.3.1017 Bram Moolenaar <bram@vim.org> parents: 4537 diff changeset	4944 * This makes sure the order of states to be tried does not change, which
532c2e850256 updated for version 7.3.1017 Bram Moolenaar <bram@vim.org> parents: 4537 diff changeset	4945 * matters for alternatives.
532c2e850256 updated for version 7.3.1017 Bram Moolenaar <bram@vim.org> parents: 4537 diff changeset	4946 */
15796 481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	4947 static regsubs_T *
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	4948 addstate_here(
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	4949 nfa_list_T *l, // runtime state list
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	4950 nfa_state_T *state, // state to update
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	4951 regsubs_T *subs, // pointers to subexpressions
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	4952 nfa_pim_T *pim, // postponed look-behind match
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	4953 int *ip)
4539 532c2e850256 updated for version 7.3.1017 Bram Moolenaar <bram@vim.org> parents: 4537 diff changeset	4954 {
532c2e850256 updated for version 7.3.1017 Bram Moolenaar <bram@vim.org> parents: 4537 diff changeset	4955 int tlen = l->n;
532c2e850256 updated for version 7.3.1017 Bram Moolenaar <bram@vim.org> parents: 4537 diff changeset	4956 int count;
4726 3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	4957 int listidx = *ip;
15796 481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	4958 regsubs_T *r;
4539 532c2e850256 updated for version 7.3.1017 Bram Moolenaar <bram@vim.org> parents: 4537 diff changeset	4959
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	4960 // First add the state(s) at the end, so that we know how many there are.
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	4961 // Pass the listidx as offset (avoids adding another argument to
26771 fc859aea8cec patch 8.2.3914: various spelling mistakes in comments Bram Moolenaar <Bram@vim.org> parents: 26652 diff changeset	4962 // addstate()).
15796 481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	4963 r = addstate(l, state, subs, pim, -listidx - ADDSTATE_HERE_OFFSET);
481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	4964 if (r == NULL)
15806 6a4e9d9f1d66 patch 8.1.0910: crash with tricky search pattern Bram Moolenaar <Bram@vim.org> parents: 15802 diff changeset	4965 return NULL;
15796 481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	4966
481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	4967 // when "*ip" was at the end of the list, nothing to do
4726 3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	4968 if (listidx + 1 == tlen)
15796 481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	4969 return r;
481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	4970
481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	4971 // re-order to put the new state at the current position
4539 532c2e850256 updated for version 7.3.1017 Bram Moolenaar <bram@vim.org> parents: 4537 diff changeset	4972 count = l->n - tlen;
4924 6ae32a64e153 updated for version 7.3.1207 Bram Moolenaar <bram@vim.org> parents: 4897 diff changeset	4973 if (count == 0)
15796 481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	4974 return r; // no state got added
4647 857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	4975 if (count == 1)
857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	4976 {
15796 481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	4977 // overwrite the current state
4726 3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	4978 l->t[listidx] = l->t[l->n - 1];
4647 857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	4979 }
857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	4980 else if (count > 1)
4539 532c2e850256 updated for version 7.3.1017 Bram Moolenaar <bram@vim.org> parents: 4537 diff changeset	4981 {
5058 a00cd1839ac4 updated for version 7.3.1272 Bram Moolenaar <bram@vim.org> parents: 5029 diff changeset	4982 if (l->n + count - 1 >= l->len)
a00cd1839ac4 updated for version 7.3.1272 Bram Moolenaar <bram@vim.org> parents: 5029 diff changeset	4983 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	4984 // not enough space to move the new states, reallocate the list
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	4985 // and move the states to the right position
15806 6a4e9d9f1d66 patch 8.1.0910: crash with tricky search pattern Bram Moolenaar <Bram@vim.org> parents: 15802 diff changeset	4986 int newlen = l->len * 3 / 2 + 50;
15812 3808b583889e patch 8.1.0913: CI crashes when running out of memory Bram Moolenaar <Bram@vim.org> parents: 15806 diff changeset	4987 size_t newsize = newlen * sizeof(nfa_thread_T);
15806 6a4e9d9f1d66 patch 8.1.0910: crash with tricky search pattern Bram Moolenaar <Bram@vim.org> parents: 15802 diff changeset	4988 nfa_thread_T *newl;
6a4e9d9f1d66 patch 8.1.0910: crash with tricky search pattern Bram Moolenaar <Bram@vim.org> parents: 15802 diff changeset	4989
15812 3808b583889e patch 8.1.0913: CI crashes when running out of memory Bram Moolenaar <Bram@vim.org> parents: 15806 diff changeset	4990 if ((long)(newsize >> 10) >= p_mmp)
3808b583889e patch 8.1.0913: CI crashes when running out of memory Bram Moolenaar <Bram@vim.org> parents: 15806 diff changeset	4991 {
26883 7f150a4936f2 patch 8.2.3970: error messages are spread out Bram Moolenaar <Bram@vim.org> parents: 26771 diff changeset	4992 emsg(_(e_pattern_uses_more_memory_than_maxmempattern));
15812 3808b583889e patch 8.1.0913: CI crashes when running out of memory Bram Moolenaar <Bram@vim.org> parents: 15806 diff changeset	4993 return NULL;
3808b583889e patch 8.1.0913: CI crashes when running out of memory Bram Moolenaar <Bram@vim.org> parents: 15806 diff changeset	4994 }
16825 ce04ebdf26b8 patch 8.1.1414: alloc() returning "char_u " causes a lot of type casts Bram Moolenaar <Bram@vim.org>* parents: 16782 diff changeset	4995 newl = alloc(newsize);
5058 a00cd1839ac4 updated for version 7.3.1272 Bram Moolenaar <bram@vim.org> parents: 5029 diff changeset	4996 if (newl == NULL)
15806 6a4e9d9f1d66 patch 8.1.0910: crash with tricky search pattern Bram Moolenaar <Bram@vim.org> parents: 15802 diff changeset	4997 return NULL;
6a4e9d9f1d66 patch 8.1.0910: crash with tricky search pattern Bram Moolenaar <Bram@vim.org> parents: 15802 diff changeset	4998 l->len = newlen;
5058 a00cd1839ac4 updated for version 7.3.1272 Bram Moolenaar <bram@vim.org> parents: 5029 diff changeset	4999 mch_memmove(&(newl[0]),
a00cd1839ac4 updated for version 7.3.1272 Bram Moolenaar <bram@vim.org> parents: 5029 diff changeset	5000 &(l->t[0]),
a00cd1839ac4 updated for version 7.3.1272 Bram Moolenaar <bram@vim.org> parents: 5029 diff changeset	5001 sizeof(nfa_thread_T) * listidx);
a00cd1839ac4 updated for version 7.3.1272 Bram Moolenaar <bram@vim.org> parents: 5029 diff changeset	5002 mch_memmove(&(newl[listidx]),
a00cd1839ac4 updated for version 7.3.1272 Bram Moolenaar <bram@vim.org> parents: 5029 diff changeset	5003 &(l->t[l->n - count]),
a00cd1839ac4 updated for version 7.3.1272 Bram Moolenaar <bram@vim.org> parents: 5029 diff changeset	5004 sizeof(nfa_thread_T) * count);
a00cd1839ac4 updated for version 7.3.1272 Bram Moolenaar <bram@vim.org> parents: 5029 diff changeset	5005 mch_memmove(&(newl[listidx + count]),
a00cd1839ac4 updated for version 7.3.1272 Bram Moolenaar <bram@vim.org> parents: 5029 diff changeset	5006 &(l->t[listidx + 1]),
a00cd1839ac4 updated for version 7.3.1272 Bram Moolenaar <bram@vim.org> parents: 5029 diff changeset	5007 sizeof(nfa_thread_T) * (l->n - count - listidx - 1));
a00cd1839ac4 updated for version 7.3.1272 Bram Moolenaar <bram@vim.org> parents: 5029 diff changeset	5008 vim_free(l->t);
a00cd1839ac4 updated for version 7.3.1272 Bram Moolenaar <bram@vim.org> parents: 5029 diff changeset	5009 l->t = newl;
a00cd1839ac4 updated for version 7.3.1272 Bram Moolenaar <bram@vim.org> parents: 5029 diff changeset	5010 }
a00cd1839ac4 updated for version 7.3.1272 Bram Moolenaar <bram@vim.org> parents: 5029 diff changeset	5011 else
a00cd1839ac4 updated for version 7.3.1272 Bram Moolenaar <bram@vim.org> parents: 5029 diff changeset	5012 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	5013 // make space for new states, then move them from the
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	5014 // end to the current position
5058 a00cd1839ac4 updated for version 7.3.1272 Bram Moolenaar <bram@vim.org> parents: 5029 diff changeset	5015 mch_memmove(&(l->t[listidx + count]),
a00cd1839ac4 updated for version 7.3.1272 Bram Moolenaar <bram@vim.org> parents: 5029 diff changeset	5016 &(l->t[listidx + 1]),
a00cd1839ac4 updated for version 7.3.1272 Bram Moolenaar <bram@vim.org> parents: 5029 diff changeset	5017 sizeof(nfa_thread_T) * (l->n - listidx - 1));
a00cd1839ac4 updated for version 7.3.1272 Bram Moolenaar <bram@vim.org> parents: 5029 diff changeset	5018 mch_memmove(&(l->t[listidx]),
a00cd1839ac4 updated for version 7.3.1272 Bram Moolenaar <bram@vim.org> parents: 5029 diff changeset	5019 &(l->t[l->n - 1]),
a00cd1839ac4 updated for version 7.3.1272 Bram Moolenaar <bram@vim.org> parents: 5029 diff changeset	5020 sizeof(nfa_thread_T) * count);
a00cd1839ac4 updated for version 7.3.1272 Bram Moolenaar <bram@vim.org> parents: 5029 diff changeset	5021 }
4539 532c2e850256 updated for version 7.3.1017 Bram Moolenaar <bram@vim.org> parents: 4537 diff changeset	5022 }
532c2e850256 updated for version 7.3.1017 Bram Moolenaar <bram@vim.org> parents: 4537 diff changeset	5023 --l->n;
4726 3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	5024 *ip = listidx - 1;
15796 481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	5025
481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	5026 return r;
4539 532c2e850256 updated for version 7.3.1017 Bram Moolenaar <bram@vim.org> parents: 4537 diff changeset	5027 }
532c2e850256 updated for version 7.3.1017 Bram Moolenaar <bram@vim.org> parents: 4537 diff changeset	5028
532c2e850256 updated for version 7.3.1017 Bram Moolenaar <bram@vim.org> parents: 4537 diff changeset	5029 /*
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5030 * Check character class "class" against current character c.
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5031 */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5032 static int
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	5033 check_char_class(int class, int c)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5034 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5035 switch (class)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5036 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5037 case NFA_CLASS_ALNUM:
9015 42b228c8701b commit https://github.com/vim/vim/commit/e8aee7dcf9b12becff86e8ce1783a86801c5f9f6 Christian Brabandt <cb@256bit.org> parents: 8989 diff changeset	5038 if (c >= 1 && c < 128 && isalnum(c))
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5039 return OK;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5040 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5041 case NFA_CLASS_ALPHA:
9015 42b228c8701b commit https://github.com/vim/vim/commit/e8aee7dcf9b12becff86e8ce1783a86801c5f9f6 Christian Brabandt <cb@256bit.org> parents: 8989 diff changeset	5042 if (c >= 1 && c < 128 && isalpha(c))
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5043 return OK;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5044 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5045 case NFA_CLASS_BLANK:
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5046 if (c == ' ' \|\| c == '\t')
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5047 return OK;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5048 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5049 case NFA_CLASS_CNTRL:
11267 588de97b40e7 patch 8.0.0519: character classes are not well tested Christian Brabandt <cb@256bit.org> parents: 11129 diff changeset	5050 if (c >= 1 && c <= 127 && iscntrl(c))
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5051 return OK;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5052 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5053 case NFA_CLASS_DIGIT:
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5054 if (VIM_ISDIGIT(c))
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5055 return OK;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5056 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5057 case NFA_CLASS_GRAPH:
11267 588de97b40e7 patch 8.0.0519: character classes are not well tested Christian Brabandt <cb@256bit.org> parents: 11129 diff changeset	5058 if (c >= 1 && c <= 127 && isgraph(c))
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5059 return OK;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5060 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5061 case NFA_CLASS_LOWER:
9015 42b228c8701b commit https://github.com/vim/vim/commit/e8aee7dcf9b12becff86e8ce1783a86801c5f9f6 Christian Brabandt <cb@256bit.org> parents: 8989 diff changeset	5062 if (MB_ISLOWER(c) && c != 170 && c != 186)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5063 return OK;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5064 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5065 case NFA_CLASS_PRINT:
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5066 if (vim_isprintc(c))
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5067 return OK;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5068 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5069 case NFA_CLASS_PUNCT:
9015 42b228c8701b commit https://github.com/vim/vim/commit/e8aee7dcf9b12becff86e8ce1783a86801c5f9f6 Christian Brabandt <cb@256bit.org> parents: 8989 diff changeset	5070 if (c >= 1 && c < 128 && ispunct(c))
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5071 return OK;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5072 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5073 case NFA_CLASS_SPACE:
4785 3b5a023a4543 updated for version 7.3.1139 Bram Moolenaar <bram@vim.org> parents: 4783 diff changeset	5074 if ((c >= 9 && c <= 13) \|\| (c == ' '))
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5075 return OK;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5076 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5077 case NFA_CLASS_UPPER:
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5078 if (MB_ISUPPER(c))
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5079 return OK;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5080 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5081 case NFA_CLASS_XDIGIT:
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5082 if (vim_isxdigit(c))
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5083 return OK;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5084 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5085 case NFA_CLASS_TAB:
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5086 if (c == '\t')
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5087 return OK;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5088 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5089 case NFA_CLASS_RETURN:
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5090 if (c == '\r')
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5091 return OK;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5092 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5093 case NFA_CLASS_BACKSPACE:
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5094 if (c == '\b')
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5095 return OK;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5096 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5097 case NFA_CLASS_ESCAPE:
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5098 if (c == '\033')
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5099 return OK;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5100 break;
15709 2e2f07561f4b patch 8.1.0862: no verbose version of character classes Bram Moolenaar <Bram@vim.org> parents: 15603 diff changeset	5101 case NFA_CLASS_IDENT:
2e2f07561f4b patch 8.1.0862: no verbose version of character classes Bram Moolenaar <Bram@vim.org> parents: 15603 diff changeset	5102 if (vim_isIDc(c))
2e2f07561f4b patch 8.1.0862: no verbose version of character classes Bram Moolenaar <Bram@vim.org> parents: 15603 diff changeset	5103 return OK;
2e2f07561f4b patch 8.1.0862: no verbose version of character classes Bram Moolenaar <Bram@vim.org> parents: 15603 diff changeset	5104 break;
2e2f07561f4b patch 8.1.0862: no verbose version of character classes Bram Moolenaar <Bram@vim.org> parents: 15603 diff changeset	5105 case NFA_CLASS_KEYWORD:
2e2f07561f4b patch 8.1.0862: no verbose version of character classes Bram Moolenaar <Bram@vim.org> parents: 15603 diff changeset	5106 if (reg_iswordc(c))
2e2f07561f4b patch 8.1.0862: no verbose version of character classes Bram Moolenaar <Bram@vim.org> parents: 15603 diff changeset	5107 return OK;
2e2f07561f4b patch 8.1.0862: no verbose version of character classes Bram Moolenaar <Bram@vim.org> parents: 15603 diff changeset	5108 break;
2e2f07561f4b patch 8.1.0862: no verbose version of character classes Bram Moolenaar <Bram@vim.org> parents: 15603 diff changeset	5109 case NFA_CLASS_FNAME:
2e2f07561f4b patch 8.1.0862: no verbose version of character classes Bram Moolenaar <Bram@vim.org> parents: 15603 diff changeset	5110 if (vim_isfilec(c))
2e2f07561f4b patch 8.1.0862: no verbose version of character classes Bram Moolenaar <Bram@vim.org> parents: 15603 diff changeset	5111 return OK;
2e2f07561f4b patch 8.1.0862: no verbose version of character classes Bram Moolenaar <Bram@vim.org> parents: 15603 diff changeset	5112 break;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5113
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5114 default:
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	5115 // should not be here :P
26962 85866e069c24 patch 8.2.4010: error messages are spread out Bram Moolenaar <Bram@vim.org> parents: 26958 diff changeset	5116 siemsg(_(e_nfa_regexp_invalid_character_class_nr), class);
4781 c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	5117 return FAIL;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5118 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5119 return FAIL;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5120 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5121
4571 b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	5122 /*
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	5123 * Check for a match with subexpression "subidx".
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	5124 * Return TRUE if it matches.
4571 b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	5125 */
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	5126 static int
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	5127 match_backref(
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	5128 regsub_T *sub, // pointers to subexpressions
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	5129 int subidx,
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	5130 int *bytelen) // out: length of match in bytes
4571 b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	5131 {
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	5132 int len;
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	5133
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	5134 if (sub->in_use <= subidx)
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	5135 {
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	5136 retempty:
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	5137 // backref was not set, match an empty string
4571 b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	5138 *bytelen = 0;
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	5139 return TRUE;
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	5140 }
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	5141
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	5142 if (REG_MULTI)
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	5143 {
6547 436d6c9e57f2 updated for version 7.4.600 Bram Moolenaar <bram@vim.org> parents: 6545 diff changeset	5144 if (sub->list.multi[subidx].start_lnum < 0
436d6c9e57f2 updated for version 7.4.600 Bram Moolenaar <bram@vim.org> parents: 6545 diff changeset	5145 \|\| sub->list.multi[subidx].end_lnum < 0)
4571 b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	5146 goto retempty;
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	5147 if (sub->list.multi[subidx].start_lnum == rex.lnum
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	5148 && sub->list.multi[subidx].end_lnum == rex.lnum)
4571 b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	5149 {
6547 436d6c9e57f2 updated for version 7.4.600 Bram Moolenaar <bram@vim.org> parents: 6545 diff changeset	5150 len = sub->list.multi[subidx].end_col
436d6c9e57f2 updated for version 7.4.600 Bram Moolenaar <bram@vim.org> parents: 6545 diff changeset	5151 - sub->list.multi[subidx].start_col;
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	5152 if (cstrncmp(rex.line + sub->list.multi[subidx].start_col,
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	5153 rex.input, &len) == 0)
4891 4c42efb4c098 updated for version 7.3.1191 Bram Moolenaar <bram@vim.org> parents: 4887 diff changeset	5154 {
4c42efb4c098 updated for version 7.3.1191 Bram Moolenaar <bram@vim.org> parents: 4887 diff changeset	5155 *bytelen = len;
4c42efb4c098 updated for version 7.3.1191 Bram Moolenaar <bram@vim.org> parents: 4887 diff changeset	5156 return TRUE;
4c42efb4c098 updated for version 7.3.1191 Bram Moolenaar <bram@vim.org> parents: 4887 diff changeset	5157 }
4c42efb4c098 updated for version 7.3.1191 Bram Moolenaar <bram@vim.org> parents: 4887 diff changeset	5158 }
4c42efb4c098 updated for version 7.3.1191 Bram Moolenaar <bram@vim.org> parents: 4887 diff changeset	5159 else
4c42efb4c098 updated for version 7.3.1191 Bram Moolenaar <bram@vim.org> parents: 4887 diff changeset	5160 {
4c42efb4c098 updated for version 7.3.1191 Bram Moolenaar <bram@vim.org> parents: 4887 diff changeset	5161 if (match_with_backref(
6547 436d6c9e57f2 updated for version 7.4.600 Bram Moolenaar <bram@vim.org> parents: 6545 diff changeset	5162 sub->list.multi[subidx].start_lnum,
436d6c9e57f2 updated for version 7.4.600 Bram Moolenaar <bram@vim.org> parents: 6545 diff changeset	5163 sub->list.multi[subidx].start_col,
436d6c9e57f2 updated for version 7.4.600 Bram Moolenaar <bram@vim.org> parents: 6545 diff changeset	5164 sub->list.multi[subidx].end_lnum,
436d6c9e57f2 updated for version 7.4.600 Bram Moolenaar <bram@vim.org> parents: 6545 diff changeset	5165 sub->list.multi[subidx].end_col,
4891 4c42efb4c098 updated for version 7.3.1191 Bram Moolenaar <bram@vim.org> parents: 4887 diff changeset	5166 bytelen) == RA_MATCH)
4c42efb4c098 updated for version 7.3.1191 Bram Moolenaar <bram@vim.org> parents: 4887 diff changeset	5167 return TRUE;
4571 b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	5168 }
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	5169 }
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	5170 else
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	5171 {
4577 b22bff1a6af8 updated for version 7.3.1036 Bram Moolenaar <bram@vim.org> parents: 4573 diff changeset	5172 if (sub->list.line[subidx].start == NULL
b22bff1a6af8 updated for version 7.3.1036 Bram Moolenaar <bram@vim.org> parents: 4573 diff changeset	5173 \|\| sub->list.line[subidx].end == NULL)
4571 b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	5174 goto retempty;
4577 b22bff1a6af8 updated for version 7.3.1036 Bram Moolenaar <bram@vim.org> parents: 4573 diff changeset	5175 len = (int)(sub->list.line[subidx].end - sub->list.line[subidx].start);
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	5176 if (cstrncmp(sub->list.line[subidx].start, rex.input, &len) == 0)
4571 b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	5177 {
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	5178 *bytelen = len;
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	5179 return TRUE;
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	5180 }
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	5181 }
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	5182 return FALSE;
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	5183 }
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	5184
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	5185 #ifdef FEAT_SYN_HL
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	5186
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	5187 /*
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	5188 * Check for a match with \z subexpression "subidx".
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	5189 * Return TRUE if it matches.
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	5190 */
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	5191 static int
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	5192 match_zref(
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	5193 int subidx,
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	5194 int *bytelen) // out: length of match in bytes
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	5195 {
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	5196 int len;
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	5197
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	5198 cleanup_zsubexpr();
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	5199 if (re_extmatch_in == NULL \|\| re_extmatch_in->matches[subidx] == NULL)
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	5200 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	5201 // backref was not set, match an empty string
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	5202 *bytelen = 0;
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	5203 return TRUE;
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	5204 }
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	5205
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	5206 len = (int)STRLEN(re_extmatch_in->matches[subidx]);
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	5207 if (cstrncmp(re_extmatch_in->matches[subidx], rex.input, &len) == 0)
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	5208 {
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	5209 *bytelen = len;
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	5210 return TRUE;
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	5211 }
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	5212 return FALSE;
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	5213 }
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	5214 #endif
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	5215
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5216 /*
4712 832bf8136d86 updated for version 7.3.1103 Bram Moolenaar <bram@vim.org> parents: 4696 diff changeset	5217 * Save list IDs for all NFA states of "prog" into "list".
832bf8136d86 updated for version 7.3.1103 Bram Moolenaar <bram@vim.org> parents: 4696 diff changeset	5218 * Also reset the IDs to zero.
4718 ec72bb4a0fc2 updated for version 7.3.1106 Bram Moolenaar <bram@vim.org> parents: 4716 diff changeset	5219 * Only used for the recursive value lastlist[1].
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5220 */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5221 static void
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	5222 nfa_save_listids(nfa_regprog_T prog, int list)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5223 {
4712 832bf8136d86 updated for version 7.3.1103 Bram Moolenaar <bram@vim.org> parents: 4696 diff changeset	5224 int i;
832bf8136d86 updated for version 7.3.1103 Bram Moolenaar <bram@vim.org> parents: 4696 diff changeset	5225 nfa_state_T *p;
832bf8136d86 updated for version 7.3.1103 Bram Moolenaar <bram@vim.org> parents: 4696 diff changeset	5226
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	5227 // Order in the list is reverse, it's a bit faster that way.
4712 832bf8136d86 updated for version 7.3.1103 Bram Moolenaar <bram@vim.org> parents: 4696 diff changeset	5228 p = &prog->state[0];
832bf8136d86 updated for version 7.3.1103 Bram Moolenaar <bram@vim.org> parents: 4696 diff changeset	5229 for (i = prog->nstate; --i >= 0; )
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5230 {
4718 ec72bb4a0fc2 updated for version 7.3.1106 Bram Moolenaar <bram@vim.org> parents: 4716 diff changeset	5231 list[i] = p->lastlist[1];
ec72bb4a0fc2 updated for version 7.3.1106 Bram Moolenaar <bram@vim.org> parents: 4716 diff changeset	5232 p->lastlist[1] = 0;
4712 832bf8136d86 updated for version 7.3.1103 Bram Moolenaar <bram@vim.org> parents: 4696 diff changeset	5233 ++p;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5234 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5235 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5236
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5237 /*
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5238 * Restore list IDs from "list" to all NFA states.
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5239 */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5240 static void
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	5241 nfa_restore_listids(nfa_regprog_T prog, int list)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5242 {
4712 832bf8136d86 updated for version 7.3.1103 Bram Moolenaar <bram@vim.org> parents: 4696 diff changeset	5243 int i;
832bf8136d86 updated for version 7.3.1103 Bram Moolenaar <bram@vim.org> parents: 4696 diff changeset	5244 nfa_state_T *p;
832bf8136d86 updated for version 7.3.1103 Bram Moolenaar <bram@vim.org> parents: 4696 diff changeset	5245
832bf8136d86 updated for version 7.3.1103 Bram Moolenaar <bram@vim.org> parents: 4696 diff changeset	5246 p = &prog->state[0];
832bf8136d86 updated for version 7.3.1103 Bram Moolenaar <bram@vim.org> parents: 4696 diff changeset	5247 for (i = prog->nstate; --i >= 0; )
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5248 {
4718 ec72bb4a0fc2 updated for version 7.3.1106 Bram Moolenaar <bram@vim.org> parents: 4716 diff changeset	5249 p->lastlist[1] = list[i];
4712 832bf8136d86 updated for version 7.3.1103 Bram Moolenaar <bram@vim.org> parents: 4696 diff changeset	5250 ++p;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5251 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5252 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5253
4583 321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	5254 static int
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	5255 nfa_re_num_cmp(long_u val, int op, long_u pos)
4583 321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	5256 {
321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	5257 if (op == 1) return pos > val;
321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	5258 if (op == 2) return pos < val;
321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	5259 return val == pos;
321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	5260 }
321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	5261
7805 0b6c37dd858d commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077 Christian Brabandt <cb@256bit.org> parents: 7258 diff changeset	5262 static int nfa_regmatch(nfa_regprog_T prog, nfa_state_T start, regsubs_T submatch, regsubs_T m);
4563 e7016af0cbf9 updated for version 7.3.1029 Bram Moolenaar <bram@vim.org> parents: 4561 diff changeset	5263
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5264 /*
4716 a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5265 * Recursively call nfa_regmatch()
4813 bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	5266 * "pim" is NULL or contains info about a Postponed Invisible Match (start
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	5267 * position).
4716 a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5268 */
a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5269 static int
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	5270 recursive_regmatch(
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	5271 nfa_state_T *state,
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	5272 nfa_pim_T *pim,
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	5273 nfa_regprog_T *prog,
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	5274 regsubs_T *submatch,
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	5275 regsubs_T *m,
14309 15530de011bc patch 8.1.0170: invalid memory use with complicated pattern Christian Brabandt <cb@256bit.org> parents: 14173 diff changeset	5276 int **listids,
15530de011bc patch 8.1.0170: invalid memory use with complicated pattern Christian Brabandt <cb@256bit.org> parents: 14173 diff changeset	5277 int *listids_len)
4716 a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5278 {
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	5279 int save_reginput_col = (int)(rex.input - rex.line);
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	5280 int save_reglnum = rex.lnum;
4716 a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5281 int save_nfa_match = nfa_match;
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	5282 int save_nfa_listid = rex.nfa_listid;
4716 a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5283 save_se_T *save_nfa_endp = nfa_endp;
a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5284 save_se_T endpos;
a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5285 save_se_T *endposp = NULL;
a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5286 int result;
4718 ec72bb4a0fc2 updated for version 7.3.1106 Bram Moolenaar <bram@vim.org> parents: 4716 diff changeset	5287 int need_restore = FALSE;
4716 a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5288
4813 bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	5289 if (pim != NULL)
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	5290 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	5291 // start at the position where the postponed match was
4813 bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	5292 if (REG_MULTI)
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	5293 rex.input = rex.line + pim->end.pos.col;
4813 bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	5294 else
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	5295 rex.input = pim->end.ptr;
4813 bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	5296 }
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	5297
4785 3b5a023a4543 updated for version 7.3.1139 Bram Moolenaar <bram@vim.org> parents: 4783 diff changeset	5298 if (state->c == NFA_START_INVISIBLE_BEFORE
13192 9bd4151e5aeb patch 8.0.1470: integer overflow when using regexp pattern Christian Brabandt <cb@256bit.org> parents: 13043 diff changeset	5299 \|\| state->c == NFA_START_INVISIBLE_BEFORE_FIRST
9bd4151e5aeb patch 8.0.1470: integer overflow when using regexp pattern Christian Brabandt <cb@256bit.org> parents: 13043 diff changeset	5300 \|\| state->c == NFA_START_INVISIBLE_BEFORE_NEG
9bd4151e5aeb patch 8.0.1470: integer overflow when using regexp pattern Christian Brabandt <cb@256bit.org> parents: 13043 diff changeset	5301 \|\| state->c == NFA_START_INVISIBLE_BEFORE_NEG_FIRST)
4716 a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5302 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	5303 // The recursive match must end at the current position. When "pim" is
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	5304 // not NULL it specifies the current position.
4716 a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5305 endposp = &endpos;
a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5306 if (REG_MULTI)
a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5307 {
4813 bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	5308 if (pim == NULL)
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	5309 {
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	5310 endpos.se_u.pos.col = (int)(rex.input - rex.line);
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	5311 endpos.se_u.pos.lnum = rex.lnum;
4813 bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	5312 }
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	5313 else
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	5314 endpos.se_u.pos = pim->end.pos;
4716 a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5315 }
a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5316 else
4813 bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	5317 {
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	5318 if (pim == NULL)
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	5319 endpos.se_u.ptr = rex.input;
4813 bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	5320 else
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	5321 endpos.se_u.ptr = pim->end.ptr;
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	5322 }
4716 a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5323
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	5324 // Go back the specified number of bytes, or as far as the
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	5325 // start of the previous line, to try matching "\@<=" or
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	5326 // not matching "\@<!". This is very inefficient, limit the number of
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	5327 // bytes if possible.
4716 a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5328 if (state->val <= 0)
a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5329 {
a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5330 if (REG_MULTI)
a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5331 {
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	5332 rex.line = reg_getline(--rex.lnum);
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	5333 if (rex.line == NULL)
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	5334 // can't go before the first line
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	5335 rex.line = reg_getline(++rex.lnum);
4716 a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5336 }
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	5337 rex.input = rex.line;
4716 a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5338 }
a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5339 else
a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5340 {
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	5341 if (REG_MULTI && (int)(rex.input - rex.line) < state->val)
4716 a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5342 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	5343 // Not enough bytes in this line, go to end of
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	5344 // previous line.
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	5345 rex.line = reg_getline(--rex.lnum);
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	5346 if (rex.line == NULL)
4716 a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5347 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	5348 // can't go before the first line
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	5349 rex.line = reg_getline(++rex.lnum);
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	5350 rex.input = rex.line;
4716 a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5351 }
a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5352 else
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	5353 rex.input = rex.line + STRLEN(rex.line);
4716 a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5354 }
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	5355 if ((int)(rex.input - rex.line) >= state->val)
4716 a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5356 {
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	5357 rex.input -= state->val;
4716 a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5358 if (has_mbyte)
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	5359 rex.input -= mb_head_off(rex.line, rex.input);
4716 a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5360 }
a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5361 else
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	5362 rex.input = rex.line;
4716 a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5363 }
a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5364 }
a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5365
a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5366 #ifdef ENABLE_LOG
a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5367 if (log_fd != stderr)
a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5368 fclose(log_fd);
a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5369 log_fd = NULL;
a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5370 #endif
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	5371 // Have to clear the lastlist field of the NFA nodes, so that
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	5372 // nfa_regmatch() and addstate() can run properly after recursion.
4718 ec72bb4a0fc2 updated for version 7.3.1106 Bram Moolenaar <bram@vim.org> parents: 4716 diff changeset	5373 if (nfa_ll_index == 1)
ec72bb4a0fc2 updated for version 7.3.1106 Bram Moolenaar <bram@vim.org> parents: 4716 diff changeset	5374 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	5375 // Already calling nfa_regmatch() recursively. Save the lastlist[1]
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	5376 // values and clear them.
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	5377 if (listids == NULL \|\| listids_len < prog->nstate)
4718 ec72bb4a0fc2 updated for version 7.3.1106 Bram Moolenaar <bram@vim.org> parents: 4716 diff changeset	5378 {
14309 15530de011bc patch 8.1.0170: invalid memory use with complicated pattern Christian Brabandt <cb@256bit.org> parents: 14173 diff changeset	5379 vim_free(*listids);
16825 ce04ebdf26b8 patch 8.1.1414: alloc() returning "char_u " causes a lot of type casts Bram Moolenaar <Bram@vim.org>* parents: 16782 diff changeset	5380 *listids = ALLOC_MULT(int, prog->nstate);
4718 ec72bb4a0fc2 updated for version 7.3.1106 Bram Moolenaar <bram@vim.org> parents: 4716 diff changeset	5381 if (*listids == NULL)
ec72bb4a0fc2 updated for version 7.3.1106 Bram Moolenaar <bram@vim.org> parents: 4716 diff changeset	5382 {
26966 ac75c145f0a9 patch 8.2.4012: error messages are spread out Bram Moolenaar <Bram@vim.org> parents: 26962 diff changeset	5383 emsg(_(e_nfa_regexp_could_not_allocate_memory_for_branch_traversal));
4718 ec72bb4a0fc2 updated for version 7.3.1106 Bram Moolenaar <bram@vim.org> parents: 4716 diff changeset	5384 return 0;
ec72bb4a0fc2 updated for version 7.3.1106 Bram Moolenaar <bram@vim.org> parents: 4716 diff changeset	5385 }
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	5386 *listids_len = prog->nstate;
4718 ec72bb4a0fc2 updated for version 7.3.1106 Bram Moolenaar <bram@vim.org> parents: 4716 diff changeset	5387 }
ec72bb4a0fc2 updated for version 7.3.1106 Bram Moolenaar <bram@vim.org> parents: 4716 diff changeset	5388 nfa_save_listids(prog, *listids);
ec72bb4a0fc2 updated for version 7.3.1106 Bram Moolenaar <bram@vim.org> parents: 4716 diff changeset	5389 need_restore = TRUE;
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	5390 // any value of rex.nfa_listid will do
4718 ec72bb4a0fc2 updated for version 7.3.1106 Bram Moolenaar <bram@vim.org> parents: 4716 diff changeset	5391 }
ec72bb4a0fc2 updated for version 7.3.1106 Bram Moolenaar <bram@vim.org> parents: 4716 diff changeset	5392 else
ec72bb4a0fc2 updated for version 7.3.1106 Bram Moolenaar <bram@vim.org> parents: 4716 diff changeset	5393 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	5394 // First recursive nfa_regmatch() call, switch to the second lastlist
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	5395 // entry. Make sure rex.nfa_listid is different from a previous
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	5396 // recursive call, because some states may still have this ID.
4718 ec72bb4a0fc2 updated for version 7.3.1106 Bram Moolenaar <bram@vim.org> parents: 4716 diff changeset	5397 ++nfa_ll_index;
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	5398 if (rex.nfa_listid <= rex.nfa_alt_listid)
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	5399 rex.nfa_listid = rex.nfa_alt_listid;
4718 ec72bb4a0fc2 updated for version 7.3.1106 Bram Moolenaar <bram@vim.org> parents: 4716 diff changeset	5400 }
ec72bb4a0fc2 updated for version 7.3.1106 Bram Moolenaar <bram@vim.org> parents: 4716 diff changeset	5401
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	5402 // Call nfa_regmatch() to check if the current concat matches at this
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	5403 // position. The concat ends with the node NFA_END_INVISIBLE
4716 a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5404 nfa_endp = endposp;
a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5405 result = nfa_regmatch(prog, state->out, submatch, m);
4718 ec72bb4a0fc2 updated for version 7.3.1106 Bram Moolenaar <bram@vim.org> parents: 4716 diff changeset	5406
ec72bb4a0fc2 updated for version 7.3.1106 Bram Moolenaar <bram@vim.org> parents: 4716 diff changeset	5407 if (need_restore)
ec72bb4a0fc2 updated for version 7.3.1106 Bram Moolenaar <bram@vim.org> parents: 4716 diff changeset	5408 nfa_restore_listids(prog, *listids);
ec72bb4a0fc2 updated for version 7.3.1106 Bram Moolenaar <bram@vim.org> parents: 4716 diff changeset	5409 else
ec72bb4a0fc2 updated for version 7.3.1106 Bram Moolenaar <bram@vim.org> parents: 4716 diff changeset	5410 {
ec72bb4a0fc2 updated for version 7.3.1106 Bram Moolenaar <bram@vim.org> parents: 4716 diff changeset	5411 --nfa_ll_index;
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	5412 rex.nfa_alt_listid = rex.nfa_listid;
4718 ec72bb4a0fc2 updated for version 7.3.1106 Bram Moolenaar <bram@vim.org> parents: 4716 diff changeset	5413 }
4716 a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5414
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	5415 // restore position in input text
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	5416 rex.lnum = save_reglnum;
4877 9e36c6b1ebf4 updated for version 7.3.1184 Bram Moolenaar <bram@vim.org> parents: 4845 diff changeset	5417 if (REG_MULTI)
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	5418 rex.line = reg_getline(rex.lnum);
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	5419 rex.input = rex.line + save_reginput_col;
9371 3666915cac0b commit https://github.com/vim/vim/commit/6747fabc7348bf5f41ccfe851e2be3e900ec8ee0 Christian Brabandt <cb@256bit.org> parents: 9015 diff changeset	5420 if (result != NFA_TOO_EXPENSIVE)
3666915cac0b commit https://github.com/vim/vim/commit/6747fabc7348bf5f41ccfe851e2be3e900ec8ee0 Christian Brabandt <cb@256bit.org> parents: 9015 diff changeset	5421 {
3666915cac0b commit https://github.com/vim/vim/commit/6747fabc7348bf5f41ccfe851e2be3e900ec8ee0 Christian Brabandt <cb@256bit.org> parents: 9015 diff changeset	5422 nfa_match = save_nfa_match;
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	5423 rex.nfa_listid = save_nfa_listid;
9371 3666915cac0b commit https://github.com/vim/vim/commit/6747fabc7348bf5f41ccfe851e2be3e900ec8ee0 Christian Brabandt <cb@256bit.org> parents: 9015 diff changeset	5424 }
4716 a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5425 nfa_endp = save_nfa_endp;
a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5426
a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5427 #ifdef ENABLE_LOG
27000 8c0730eca2ce patch 8.2.4029: debugging NFA regexp my crash, cached indent may be wrong Bram Moolenaar <Bram@vim.org> parents: 26966 diff changeset	5428 open_debug_log(result);
4716 a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5429 #endif
a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5430
a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5431 return result;
a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5432 }
a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5433
4726 3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	5434 /*
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	5435 * Estimate the chance of a match with "state" failing.
4821 2f1ee97f5f23 updated for version 7.3.1157 Bram Moolenaar <bram@vim.org> parents: 4819 diff changeset	5436 * empty match: 0
4726 3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	5437 * NFA_ANY: 1
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	5438 * specific character: 99
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	5439 */
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	5440 static int
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	5441 failure_chance(nfa_state_T *state, int depth)
4726 3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	5442 {
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	5443 int c = state->c;
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	5444 int l, r;
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	5445
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	5446 // detect looping
4726 3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	5447 if (depth > 4)
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	5448 return 1;
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	5449
4742 6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5450 switch (c)
4726 3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	5451 {
4742 6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5452 case NFA_SPLIT:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5453 if (state->out->c == NFA_SPLIT \|\| state->out1->c == NFA_SPLIT)
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	5454 // avoid recursive stuff
4742 6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5455 return 1;
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	5456 // two alternatives, use the lowest failure chance
4742 6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5457 l = failure_chance(state->out, depth + 1);
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5458 r = failure_chance(state->out1, depth + 1);
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5459 return l < r ? l : r;
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5460
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5461 case NFA_ANY:
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	5462 // matches anything, unlikely to fail
4726 3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	5463 return 1;
4821 2f1ee97f5f23 updated for version 7.3.1157 Bram Moolenaar <bram@vim.org> parents: 4819 diff changeset	5464
4742 6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5465 case NFA_MATCH:
4821 2f1ee97f5f23 updated for version 7.3.1157 Bram Moolenaar <bram@vim.org> parents: 4819 diff changeset	5466 case NFA_MCLOSE:
5901 10fc95f48546 updated for version 7.4.293 Bram Moolenaar <bram@vim.org> parents: 5895 diff changeset	5467 case NFA_ANY_COMPOSING:
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	5468 // empty match works always
4742 6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5469 return 0;
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5470
4897 91136a41f83f updated for version 7.3.1194 Bram Moolenaar <bram@vim.org> parents: 4893 diff changeset	5471 case NFA_START_INVISIBLE:
91136a41f83f updated for version 7.3.1194 Bram Moolenaar <bram@vim.org> parents: 4893 diff changeset	5472 case NFA_START_INVISIBLE_FIRST:
91136a41f83f updated for version 7.3.1194 Bram Moolenaar <bram@vim.org> parents: 4893 diff changeset	5473 case NFA_START_INVISIBLE_NEG:
91136a41f83f updated for version 7.3.1194 Bram Moolenaar <bram@vim.org> parents: 4893 diff changeset	5474 case NFA_START_INVISIBLE_NEG_FIRST:
91136a41f83f updated for version 7.3.1194 Bram Moolenaar <bram@vim.org> parents: 4893 diff changeset	5475 case NFA_START_INVISIBLE_BEFORE:
91136a41f83f updated for version 7.3.1194 Bram Moolenaar <bram@vim.org> parents: 4893 diff changeset	5476 case NFA_START_INVISIBLE_BEFORE_FIRST:
91136a41f83f updated for version 7.3.1194 Bram Moolenaar <bram@vim.org> parents: 4893 diff changeset	5477 case NFA_START_INVISIBLE_BEFORE_NEG:
91136a41f83f updated for version 7.3.1194 Bram Moolenaar <bram@vim.org> parents: 4893 diff changeset	5478 case NFA_START_INVISIBLE_BEFORE_NEG_FIRST:
91136a41f83f updated for version 7.3.1194 Bram Moolenaar <bram@vim.org> parents: 4893 diff changeset	5479 case NFA_START_PATTERN:
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	5480 // recursive regmatch is expensive, use low failure chance
4897 91136a41f83f updated for version 7.3.1194 Bram Moolenaar <bram@vim.org> parents: 4893 diff changeset	5481 return 5;
91136a41f83f updated for version 7.3.1194 Bram Moolenaar <bram@vim.org> parents: 4893 diff changeset	5482
4742 6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5483 case NFA_BOL:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5484 case NFA_EOL:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5485 case NFA_BOF:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5486 case NFA_EOF:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5487 case NFA_NEWL:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5488 return 99;
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5489
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5490 case NFA_BOW:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5491 case NFA_EOW:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5492 return 90;
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5493
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5494 case NFA_MOPEN:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5495 case NFA_MOPEN1:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5496 case NFA_MOPEN2:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5497 case NFA_MOPEN3:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5498 case NFA_MOPEN4:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5499 case NFA_MOPEN5:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5500 case NFA_MOPEN6:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5501 case NFA_MOPEN7:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5502 case NFA_MOPEN8:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5503 case NFA_MOPEN9:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5504 #ifdef FEAT_SYN_HL
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5505 case NFA_ZOPEN:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5506 case NFA_ZOPEN1:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5507 case NFA_ZOPEN2:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5508 case NFA_ZOPEN3:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5509 case NFA_ZOPEN4:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5510 case NFA_ZOPEN5:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5511 case NFA_ZOPEN6:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5512 case NFA_ZOPEN7:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5513 case NFA_ZOPEN8:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5514 case NFA_ZOPEN9:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5515 case NFA_ZCLOSE:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5516 case NFA_ZCLOSE1:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5517 case NFA_ZCLOSE2:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5518 case NFA_ZCLOSE3:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5519 case NFA_ZCLOSE4:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5520 case NFA_ZCLOSE5:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5521 case NFA_ZCLOSE6:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5522 case NFA_ZCLOSE7:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5523 case NFA_ZCLOSE8:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5524 case NFA_ZCLOSE9:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5525 #endif
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5526 case NFA_NOPEN:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5527 case NFA_MCLOSE1:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5528 case NFA_MCLOSE2:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5529 case NFA_MCLOSE3:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5530 case NFA_MCLOSE4:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5531 case NFA_MCLOSE5:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5532 case NFA_MCLOSE6:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5533 case NFA_MCLOSE7:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5534 case NFA_MCLOSE8:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5535 case NFA_MCLOSE9:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5536 case NFA_NCLOSE:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5537 return failure_chance(state->out, depth + 1);
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5538
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5539 case NFA_BACKREF1:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5540 case NFA_BACKREF2:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5541 case NFA_BACKREF3:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5542 case NFA_BACKREF4:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5543 case NFA_BACKREF5:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5544 case NFA_BACKREF6:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5545 case NFA_BACKREF7:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5546 case NFA_BACKREF8:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5547 case NFA_BACKREF9:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5548 #ifdef FEAT_SYN_HL
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5549 case NFA_ZREF1:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5550 case NFA_ZREF2:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5551 case NFA_ZREF3:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5552 case NFA_ZREF4:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5553 case NFA_ZREF5:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5554 case NFA_ZREF6:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5555 case NFA_ZREF7:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5556 case NFA_ZREF8:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5557 case NFA_ZREF9:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5558 #endif
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	5559 // backreferences don't match in many places
4742 6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5560 return 94;
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5561
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5562 case NFA_LNUM_GT:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5563 case NFA_LNUM_LT:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5564 case NFA_COL_GT:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5565 case NFA_COL_LT:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5566 case NFA_VCOL_GT:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5567 case NFA_VCOL_LT:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5568 case NFA_MARK_GT:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5569 case NFA_MARK_LT:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5570 case NFA_VISUAL:
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	5571 // before/after positions don't match very often
4742 6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5572 return 85;
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5573
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5574 case NFA_LNUM:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5575 return 90;
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5576
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5577 case NFA_CURSOR:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5578 case NFA_COL:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5579 case NFA_VCOL:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5580 case NFA_MARK:
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	5581 // specific positions rarely match
4742 6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5582 return 98;
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5583
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5584 case NFA_COMPOSING:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5585 return 95;
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5586
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5587 default:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5588 if (c > 0)
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	5589 // character match fails often
4742 6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5590 return 95;
4726 3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	5591 }
4742 6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5592
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	5593 // something else, includes character classes
4726 3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	5594 return 50;
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	5595 }
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	5596
4716 a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5597 /*
4801 3cd3cc1e9119 updated for version 7.3.1147 Bram Moolenaar <bram@vim.org> parents: 4799 diff changeset	5598 * Skip until the char "c" we know a match must start with.
3cd3cc1e9119 updated for version 7.3.1147 Bram Moolenaar <bram@vim.org> parents: 4799 diff changeset	5599 */
3cd3cc1e9119 updated for version 7.3.1147 Bram Moolenaar <bram@vim.org> parents: 4799 diff changeset	5600 static int
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	5601 skip_to_start(int c, colnr_T *colp)
4801 3cd3cc1e9119 updated for version 7.3.1147 Bram Moolenaar <bram@vim.org> parents: 4799 diff changeset	5602 {
3cd3cc1e9119 updated for version 7.3.1147 Bram Moolenaar <bram@vim.org> parents: 4799 diff changeset	5603 char_u *s;
3cd3cc1e9119 updated for version 7.3.1147 Bram Moolenaar <bram@vim.org> parents: 4799 diff changeset	5604
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	5605 // Used often, do some work to avoid call overhead.
15603 639b8318472c patch 8.1.0809: too many #ifdefs Bram Moolenaar <Bram@vim.org> parents: 15490 diff changeset	5606 if (!rex.reg_ic && !has_mbyte)
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	5607 s = vim_strbyte(rex.line + *colp, c);
4801 3cd3cc1e9119 updated for version 7.3.1147 Bram Moolenaar <bram@vim.org> parents: 4799 diff changeset	5608 else
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	5609 s = cstrchr(rex.line + *colp, c);
4801 3cd3cc1e9119 updated for version 7.3.1147 Bram Moolenaar <bram@vim.org> parents: 4799 diff changeset	5610 if (s == NULL)
3cd3cc1e9119 updated for version 7.3.1147 Bram Moolenaar <bram@vim.org> parents: 4799 diff changeset	5611 return FAIL;
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	5612 *colp = (int)(s - rex.line);
4801 3cd3cc1e9119 updated for version 7.3.1147 Bram Moolenaar <bram@vim.org> parents: 4799 diff changeset	5613 return OK;
3cd3cc1e9119 updated for version 7.3.1147 Bram Moolenaar <bram@vim.org> parents: 4799 diff changeset	5614 }
3cd3cc1e9119 updated for version 7.3.1147 Bram Moolenaar <bram@vim.org> parents: 4799 diff changeset	5615
3cd3cc1e9119 updated for version 7.3.1147 Bram Moolenaar <bram@vim.org> parents: 4799 diff changeset	5616 /*
4805 66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	5617 * Check for a match with match_text.
4807 3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	5618 * Called after skip_to_start() has found regstart.
4805 66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	5619 * Returns zero for no match, 1 for a match.
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	5620 */
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	5621 static long
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	5622 find_match_text(colnr_T startcol, int regstart, char_u *match_text)
4805 66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	5623 {
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	5624 colnr_T col = startcol;
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	5625 int c1, c2;
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	5626 int len1, len2;
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	5627 int match;
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	5628
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	5629 for (;;)
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	5630 {
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	5631 match = TRUE;
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	5632 len2 = MB_CHAR2LEN(regstart); // skip regstart
4805 66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	5633 for (len1 = 0; match_text[len1] != NUL; len1 += MB_CHAR2LEN(c1))
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	5634 {
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	5635 c1 = PTR2CHAR(match_text + len1);
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	5636 c2 = PTR2CHAR(rex.line + col + len2);
20772 097f5b5c907b patch 8.2.0938: NFA regexp uses tolower ()to compare ignore-case Bram Moolenaar <Bram@vim.org> parents: 20677 diff changeset	5637 if (c1 != c2 && (!rex.reg_ic \|\| MB_CASEFOLD(c1) != MB_CASEFOLD(c2)))
4805 66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	5638 {
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	5639 match = FALSE;
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	5640 break;
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	5641 }
25747 1c999a6e9d92 patch 8.2.3409: reading beyond end of line with invalid utf-8 character Bram Moolenaar <Bram@vim.org> parents: 25320 diff changeset	5642 len2 += enc_utf8 ? utf_ptr2len(rex.line + col + len2)
1c999a6e9d92 patch 8.2.3409: reading beyond end of line with invalid utf-8 character Bram Moolenaar <Bram@vim.org> parents: 25320 diff changeset	5643 : MB_CHAR2LEN(c2);
4805 66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	5644 }
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	5645 if (match
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	5646 // check that no composing char follows
4805 66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	5647 && !(enc_utf8
15603 639b8318472c patch 8.1.0809: too many #ifdefs Bram Moolenaar <Bram@vim.org> parents: 15490 diff changeset	5648 && utf_iscomposing(PTR2CHAR(rex.line + col + len2))))
4805 66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	5649 {
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	5650 cleanup_subexpr();
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	5651 if (REG_MULTI)
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	5652 {
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	5653 rex.reg_startpos[0].lnum = rex.lnum;
10245 d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10170 diff changeset	5654 rex.reg_startpos[0].col = col;
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	5655 rex.reg_endpos[0].lnum = rex.lnum;
10245 d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10170 diff changeset	5656 rex.reg_endpos[0].col = col + len2;
4805 66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	5657 }
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	5658 else
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	5659 {
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	5660 rex.reg_startp[0] = rex.line + col;
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	5661 rex.reg_endp[0] = rex.line + col + len2;
4805 66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	5662 }
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	5663 return 1L;
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	5664 }
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	5665
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	5666 // Try finding regstart after the current match.
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	5667 col += MB_CHAR2LEN(regstart); // skip regstart
4805 66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	5668 if (skip_to_start(regstart, &col) == FAIL)
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	5669 break;
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	5670 }
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	5671 return 0L;
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	5672 }
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	5673
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	5674 /*
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5675 * Main matching routine.
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5676 *
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	5677 * Run NFA to determine whether it matches rex.input.
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5678 *
4694 efc4fb311d5d updated for version 7.3.1094 Bram Moolenaar <bram@vim.org> parents: 4692 diff changeset	5679 * When "nfa_endp" is not NULL it is a required end-of-match position.
4682 2f51ee8825db updated for version 7.3.1088 Bram Moolenaar <bram@vim.org> parents: 4679 diff changeset	5680 *
16491 38a323a6fd18 patch 8.1.1249: compiler warning for uninitialized variable Bram Moolenaar <Bram@vim.org> parents: 16162 diff changeset	5681 * Return TRUE if there is a match, FALSE if there is no match,
38a323a6fd18 patch 8.1.1249: compiler warning for uninitialized variable Bram Moolenaar <Bram@vim.org> parents: 16162 diff changeset	5682 * NFA_TOO_EXPENSIVE if we end up with too many states.
5372 c3d379c2a115 updated for version 7.4.037 Bram Moolenaar <bram@vim.org> parents: 5370 diff changeset	5683 * When there is a match "submatch" contains the positions.
16491 38a323a6fd18 patch 8.1.1249: compiler warning for uninitialized variable Bram Moolenaar <Bram@vim.org> parents: 16162 diff changeset	5684 *
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5685 * Note: Caller must ensure that: start != NULL.
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5686 */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5687 static int
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	5688 nfa_regmatch(
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	5689 nfa_regprog_T *prog,
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	5690 nfa_state_T *start,
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	5691 regsubs_T *submatch,
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	5692 regsubs_T *m)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5693 {
16491 38a323a6fd18 patch 8.1.1249: compiler warning for uninitialized variable Bram Moolenaar <Bram@vim.org> parents: 16162 diff changeset	5694 int result = FALSE;
6545 1ef8ce97fc40 updated for version 7.4.599 Bram Moolenaar <bram@vim.org> parents: 6533 diff changeset	5695 size_t size = 0;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5696 int flag = 0;
4539 532c2e850256 updated for version 7.3.1017 Bram Moolenaar <bram@vim.org> parents: 4537 diff changeset	5697 int go_to_nextline = FALSE;
532c2e850256 updated for version 7.3.1017 Bram Moolenaar <bram@vim.org> parents: 4537 diff changeset	5698 nfa_thread_T *t;
4783 47222d8b1e94 updated for version 7.3.1138 Bram Moolenaar <bram@vim.org> parents: 4781 diff changeset	5699 nfa_list_T list[2];
4549 849180347ac3 updated for version 7.3.1022 Bram Moolenaar <bram@vim.org> parents: 4547 diff changeset	5700 int listidx;
4539 532c2e850256 updated for version 7.3.1017 Bram Moolenaar <bram@vim.org> parents: 4537 diff changeset	5701 nfa_list_T *thislist;
532c2e850256 updated for version 7.3.1017 Bram Moolenaar <bram@vim.org> parents: 4537 diff changeset	5702 nfa_list_T *nextlist;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5703 int *listids = NULL;
14309 15530de011bc patch 8.1.0170: invalid memory use with complicated pattern Christian Brabandt <cb@256bit.org> parents: 14173 diff changeset	5704 int listids_len = 0;
4726 3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	5705 nfa_state_T *add_state;
4799 e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	5706 int add_here;
4797 a30e3762957d updated for version 7.3.1145 Bram Moolenaar <bram@vim.org> parents: 4787 diff changeset	5707 int add_count;
4819 8c4324e6f477 updated for version 7.3.1156 Bram Moolenaar <bram@vim.org> parents: 4815 diff changeset	5708 int add_off = 0;
4797 a30e3762957d updated for version 7.3.1145 Bram Moolenaar <bram@vim.org> parents: 4787 diff changeset	5709 int toplevel = start->c == NFA_MOPEN;
15796 481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	5710 regsubs_T *r;
4460 fe8a0a6a1c2a updated for version 7.3.978 Bram Moolenaar <bram@vim.org> parents: 4458 diff changeset	5711 #ifdef NFA_REGEXP_DEBUG_LOG
8989 e600e696c0a1 commit https://github.com/vim/vim/commit/dc633cf82758f67f656cda7fa8ccc30414ee53f8 Christian Brabandt <cb@256bit.org> parents: 8841 diff changeset	5712 FILE *debug;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5713 #endif
8989 e600e696c0a1 commit https://github.com/vim/vim/commit/dc633cf82758f67f656cda7fa8ccc30414ee53f8 Christian Brabandt <cb@256bit.org> parents: 8841 diff changeset	5714
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	5715 // Some patterns may take a long time to match, especially when using
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	5716 // recursive_regmatch(). Allow interrupting them with CTRL-C.
5310 b04bdb2c5fce updated for version 7.4.008 Bram Moolenaar <bram@vim.org> parents: 5300 diff changeset	5717 fast_breakcheck();
b04bdb2c5fce updated for version 7.4.008 Bram Moolenaar <bram@vim.org> parents: 5300 diff changeset	5718 if (got_int)
b04bdb2c5fce updated for version 7.4.008 Bram Moolenaar <bram@vim.org> parents: 5300 diff changeset	5719 return FALSE;
6573 ffba266e064d updated for version 7.4.613 Bram Moolenaar <bram@vim.org> parents: 6547 diff changeset	5720 #ifdef FEAT_RELTIME
29071 b90bca860b5a patch 8.2.5057: using gettimeofday() for timeout is very inefficient Bram Moolenaar <Bram@vim.org> parents: 29028 diff changeset	5721 if (nfa_did_time_out())
6573 ffba266e064d updated for version 7.4.613 Bram Moolenaar <bram@vim.org> parents: 6547 diff changeset	5722 return FALSE;
ffba266e064d updated for version 7.4.613 Bram Moolenaar <bram@vim.org> parents: 6547 diff changeset	5723 #endif
5310 b04bdb2c5fce updated for version 7.4.008 Bram Moolenaar <bram@vim.org> parents: 5300 diff changeset	5724
8989 e600e696c0a1 commit https://github.com/vim/vim/commit/dc633cf82758f67f656cda7fa8ccc30414ee53f8 Christian Brabandt <cb@256bit.org> parents: 8841 diff changeset	5725 #ifdef NFA_REGEXP_DEBUG_LOG
e600e696c0a1 commit https://github.com/vim/vim/commit/dc633cf82758f67f656cda7fa8ccc30414ee53f8 Christian Brabandt <cb@256bit.org> parents: 8841 diff changeset	5726 debug = fopen(NFA_REGEXP_DEBUG_LOG, "a");
e600e696c0a1 commit https://github.com/vim/vim/commit/dc633cf82758f67f656cda7fa8ccc30414ee53f8 Christian Brabandt <cb@256bit.org> parents: 8841 diff changeset	5727 if (debug == NULL)
e600e696c0a1 commit https://github.com/vim/vim/commit/dc633cf82758f67f656cda7fa8ccc30414ee53f8 Christian Brabandt <cb@256bit.org> parents: 8841 diff changeset	5728 {
15470 55ccc2d353bd patch 8.1.0743: giving error messages is not flexible Bram Moolenaar <Bram@vim.org> parents: 15265 diff changeset	5729 semsg("(NFA) COULD NOT OPEN %s!", NFA_REGEXP_DEBUG_LOG);
8989 e600e696c0a1 commit https://github.com/vim/vim/commit/dc633cf82758f67f656cda7fa8ccc30414ee53f8 Christian Brabandt <cb@256bit.org> parents: 8841 diff changeset	5730 return FALSE;
e600e696c0a1 commit https://github.com/vim/vim/commit/dc633cf82758f67f656cda7fa8ccc30414ee53f8 Christian Brabandt <cb@256bit.org> parents: 8841 diff changeset	5731 }
e600e696c0a1 commit https://github.com/vim/vim/commit/dc633cf82758f67f656cda7fa8ccc30414ee53f8 Christian Brabandt <cb@256bit.org> parents: 8841 diff changeset	5732 #endif
4561 4d81fdda8f35 updated for version 7.3.1028 Bram Moolenaar <bram@vim.org> parents: 4559 diff changeset	5733 nfa_match = FALSE;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5734
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	5735 // Allocate memory for the lists of nodes.
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	5736 size = (prog->nstate + 1) * sizeof(nfa_thread_T);
6547 436d6c9e57f2 updated for version 7.4.600 Bram Moolenaar <bram@vim.org> parents: 6545 diff changeset	5737
16825 ce04ebdf26b8 patch 8.1.1414: alloc() returning "char_u " causes a lot of type casts Bram Moolenaar <Bram@vim.org>* parents: 16782 diff changeset	5738 list[0].t = alloc(size);
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	5739 list[0].len = prog->nstate + 1;
16825 ce04ebdf26b8 patch 8.1.1414: alloc() returning "char_u " causes a lot of type casts Bram Moolenaar <Bram@vim.org>* parents: 16782 diff changeset	5740 list[1].t = alloc(size);
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	5741 list[1].len = prog->nstate + 1;
4783 47222d8b1e94 updated for version 7.3.1138 Bram Moolenaar <bram@vim.org> parents: 4781 diff changeset	5742 if (list[0].t == NULL \|\| list[1].t == NULL)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5743 goto theend;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5744
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5745 #ifdef ENABLE_LOG
4531 1be43c095aff updated for version 7.3.1013 Bram Moolenaar <bram@vim.org> parents: 4529 diff changeset	5746 log_fd = fopen(NFA_REGEXP_RUN_LOG, "a");
27000 8c0730eca2ce patch 8.2.4029: debugging NFA regexp my crash, cached indent may be wrong Bram Moolenaar <Bram@vim.org> parents: 26966 diff changeset	5747 if (log_fd == NULL)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5748 {
15470 55ccc2d353bd patch 8.1.0743: giving error messages is not flexible Bram Moolenaar <Bram@vim.org> parents: 15265 diff changeset	5749 emsg(_(e_log_open_failed));
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5750 log_fd = stderr;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5751 }
27000 8c0730eca2ce patch 8.2.4029: debugging NFA regexp my crash, cached indent may be wrong Bram Moolenaar <Bram@vim.org> parents: 26966 diff changeset	5752 fprintf(log_fd, "**********************************\n");
8c0730eca2ce patch 8.2.4029: debugging NFA regexp my crash, cached indent may be wrong Bram Moolenaar <Bram@vim.org> parents: 26966 diff changeset	5753 nfa_set_code(start->c);
8c0730eca2ce patch 8.2.4029: debugging NFA regexp my crash, cached indent may be wrong Bram Moolenaar <Bram@vim.org> parents: 26966 diff changeset	5754 fprintf(log_fd, " RUNNING nfa_regmatch() starting with state %d, code %s\n",
8c0730eca2ce patch 8.2.4029: debugging NFA regexp my crash, cached indent may be wrong Bram Moolenaar <Bram@vim.org> parents: 26966 diff changeset	5755 abs(start->id), code);
8c0730eca2ce patch 8.2.4029: debugging NFA regexp my crash, cached indent may be wrong Bram Moolenaar <Bram@vim.org> parents: 26966 diff changeset	5756 fprintf(log_fd, "**********************************\n");
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5757 #endif
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5758
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5759 thislist = &list[0];
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5760 thislist->n = 0;
5227 a08fa2919f2b updated for version 7.4a.039 Bram Moolenaar <bram@vim.org> parents: 5221 diff changeset	5761 thislist->has_pim = FALSE;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5762 nextlist = &list[1];
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5763 nextlist->n = 0;
5227 a08fa2919f2b updated for version 7.4a.039 Bram Moolenaar <bram@vim.org> parents: 5221 diff changeset	5764 nextlist->has_pim = FALSE;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5765 #ifdef ENABLE_LOG
4797 a30e3762957d updated for version 7.3.1145 Bram Moolenaar <bram@vim.org> parents: 4787 diff changeset	5766 fprintf(log_fd, "(---) STARTSTATE first\n");
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5767 #endif
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	5768 thislist->id = rex.nfa_listid + 1;
4797 a30e3762957d updated for version 7.3.1145 Bram Moolenaar <bram@vim.org> parents: 4787 diff changeset	5769
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	5770 // Inline optimized code for addstate(thislist, start, m, 0) if we know
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	5771 // it's the first MOPEN.
4797 a30e3762957d updated for version 7.3.1145 Bram Moolenaar <bram@vim.org> parents: 4787 diff changeset	5772 if (toplevel)
a30e3762957d updated for version 7.3.1145 Bram Moolenaar <bram@vim.org> parents: 4787 diff changeset	5773 {
a30e3762957d updated for version 7.3.1145 Bram Moolenaar <bram@vim.org> parents: 4787 diff changeset	5774 if (REG_MULTI)
a30e3762957d updated for version 7.3.1145 Bram Moolenaar <bram@vim.org> parents: 4787 diff changeset	5775 {
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	5776 m->norm.list.multi[0].start_lnum = rex.lnum;
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	5777 m->norm.list.multi[0].start_col = (colnr_T)(rex.input - rex.line);
4797 a30e3762957d updated for version 7.3.1145 Bram Moolenaar <bram@vim.org> parents: 4787 diff changeset	5778 }
a30e3762957d updated for version 7.3.1145 Bram Moolenaar <bram@vim.org> parents: 4787 diff changeset	5779 else
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	5780 m->norm.list.line[0].start = rex.input;
4797 a30e3762957d updated for version 7.3.1145 Bram Moolenaar <bram@vim.org> parents: 4787 diff changeset	5781 m->norm.in_use = 1;
15796 481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	5782 r = addstate(thislist, start->out, m, NULL, 0);
4797 a30e3762957d updated for version 7.3.1145 Bram Moolenaar <bram@vim.org> parents: 4787 diff changeset	5783 }
a30e3762957d updated for version 7.3.1145 Bram Moolenaar <bram@vim.org> parents: 4787 diff changeset	5784 else
15796 481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	5785 r = addstate(thislist, start, m, NULL, 0);
481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	5786 if (r == NULL)
481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	5787 {
481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	5788 nfa_match = NFA_TOO_EXPENSIVE;
481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	5789 goto theend;
481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	5790 }
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5791
4783 47222d8b1e94 updated for version 7.3.1138 Bram Moolenaar <bram@vim.org> parents: 4781 diff changeset	5792 #define ADD_STATE_IF_MATCH(state) \
47222d8b1e94 updated for version 7.3.1138 Bram Moolenaar <bram@vim.org> parents: 4781 diff changeset	5793 if (result) { \
4726 3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	5794 add_state = state->out; \
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	5795 add_off = clen; \
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	5796 }
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5797
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5798 /*
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5799 * Run for each character.
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5800 */
4515 90e9917d4114 updated for version 7.3.1005 Bram Moolenaar <bram@vim.org> parents: 4507 diff changeset	5801 for (;;)
90e9917d4114 updated for version 7.3.1005 Bram Moolenaar <bram@vim.org> parents: 4507 diff changeset	5802 {
4549 849180347ac3 updated for version 7.3.1022 Bram Moolenaar <bram@vim.org> parents: 4547 diff changeset	5803 int curc;
849180347ac3 updated for version 7.3.1022 Bram Moolenaar <bram@vim.org> parents: 4547 diff changeset	5804 int clen;
849180347ac3 updated for version 7.3.1022 Bram Moolenaar <bram@vim.org> parents: 4547 diff changeset	5805
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5806 if (has_mbyte)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5807 {
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	5808 curc = (*mb_ptr2char)(rex.input);
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	5809 clen = (*mb_ptr2len)(rex.input);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5810 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5811 else
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5812 {
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	5813 curc = *rex.input;
4549 849180347ac3 updated for version 7.3.1022 Bram Moolenaar <bram@vim.org> parents: 4547 diff changeset	5814 clen = 1;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5815 }
4549 849180347ac3 updated for version 7.3.1022 Bram Moolenaar <bram@vim.org> parents: 4547 diff changeset	5816 if (curc == NUL)
4515 90e9917d4114 updated for version 7.3.1005 Bram Moolenaar <bram@vim.org> parents: 4507 diff changeset	5817 {
4549 849180347ac3 updated for version 7.3.1022 Bram Moolenaar <bram@vim.org> parents: 4547 diff changeset	5818 clen = 0;
4515 90e9917d4114 updated for version 7.3.1005 Bram Moolenaar <bram@vim.org> parents: 4507 diff changeset	5819 go_to_nextline = FALSE;
90e9917d4114 updated for version 7.3.1005 Bram Moolenaar <bram@vim.org> parents: 4507 diff changeset	5820 }
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5821
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	5822 // swap lists
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5823 thislist = &list[flag];
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5824 nextlist = &list[flag ^= 1];
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	5825 nextlist->n = 0; // clear nextlist
5227 a08fa2919f2b updated for version 7.4a.039 Bram Moolenaar <bram@vim.org> parents: 5221 diff changeset	5826 nextlist->has_pim = FALSE;
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	5827 ++rex.nfa_listid;
14161 7cac4646c552 patch 8.1.0098: segfault when pattern with z() is very slow Christian Brabandt <cb@256bit.org> parents: 14159 diff changeset	5828 if (prog->re_engine == AUTOMATIC_ENGINE
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	5829 && (rex.nfa_listid >= NFA_MAX_STATES
14173 4b59671bce9c patch 8.1.0104: can't build without the +eval feature Christian Brabandt <cb@256bit.org> parents: 14163 diff changeset	5830 # ifdef FEAT_EVAL
4b59671bce9c patch 8.1.0104: can't build without the +eval feature Christian Brabandt <cb@256bit.org> parents: 14163 diff changeset	5831 \|\| nfa_fail_for_testing
4b59671bce9c patch 8.1.0104: can't build without the +eval feature Christian Brabandt <cb@256bit.org> parents: 14163 diff changeset	5832 # endif
4b59671bce9c patch 8.1.0104: can't build without the +eval feature Christian Brabandt <cb@256bit.org> parents: 14163 diff changeset	5833 ))
6328 adfbffe1e642 updated for version 7.4.497 Bram Moolenaar <bram@vim.org> parents: 6280 diff changeset	5834 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	5835 // too many states, retry with old engine
6328 adfbffe1e642 updated for version 7.4.497 Bram Moolenaar <bram@vim.org> parents: 6280 diff changeset	5836 nfa_match = NFA_TOO_EXPENSIVE;
adfbffe1e642 updated for version 7.4.497 Bram Moolenaar <bram@vim.org> parents: 6280 diff changeset	5837 goto theend;
adfbffe1e642 updated for version 7.4.497 Bram Moolenaar <bram@vim.org> parents: 6280 diff changeset	5838 }
adfbffe1e642 updated for version 7.4.497 Bram Moolenaar <bram@vim.org> parents: 6280 diff changeset	5839
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	5840 thislist->id = rex.nfa_listid;
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	5841 nextlist->id = rex.nfa_listid + 1;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5842
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5843 #ifdef ENABLE_LOG
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5844 fprintf(log_fd, "------------------------------------------\n");
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	5845 fprintf(log_fd, ">>> Reginput is \"%s\"\n", rex.input);
14145 1cf832945469 patch 8.1.0090: "..." used inconsistently in a message Christian Brabandt <cb@256bit.org> parents: 14121 diff changeset	5846 fprintf(log_fd, ">>> Advanced one character... Current char is %c (code %d) \n", curc, (int)curc);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5847 fprintf(log_fd, ">>> Thislist has %d states available: ", thislist->n);
4549 849180347ac3 updated for version 7.3.1022 Bram Moolenaar <bram@vim.org> parents: 4547 diff changeset	5848 {
849180347ac3 updated for version 7.3.1022 Bram Moolenaar <bram@vim.org> parents: 4547 diff changeset	5849 int i;
849180347ac3 updated for version 7.3.1022 Bram Moolenaar <bram@vim.org> parents: 4547 diff changeset	5850
849180347ac3 updated for version 7.3.1022 Bram Moolenaar <bram@vim.org> parents: 4547 diff changeset	5851 for (i = 0; i < thislist->n; i++)
849180347ac3 updated for version 7.3.1022 Bram Moolenaar <bram@vim.org> parents: 4547 diff changeset	5852 fprintf(log_fd, "%d ", abs(thislist->t[i].state->id));
849180347ac3 updated for version 7.3.1022 Bram Moolenaar <bram@vim.org> parents: 4547 diff changeset	5853 }
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5854 fprintf(log_fd, "\n");
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5855 #endif
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5856
4460 fe8a0a6a1c2a updated for version 7.3.978 Bram Moolenaar <bram@vim.org> parents: 4458 diff changeset	5857 #ifdef NFA_REGEXP_DEBUG_LOG
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5858 fprintf(debug, "\n-------------------\n");
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5859 #endif
4480 035fb0d5e7ce updated for version 7.3.988 Bram Moolenaar <bram@vim.org> parents: 4470 diff changeset	5860 /*
035fb0d5e7ce updated for version 7.3.988 Bram Moolenaar <bram@vim.org> parents: 4470 diff changeset	5861 * If the state lists are empty we can stop.
035fb0d5e7ce updated for version 7.3.988 Bram Moolenaar <bram@vim.org> parents: 4470 diff changeset	5862 */
4783 47222d8b1e94 updated for version 7.3.1138 Bram Moolenaar <bram@vim.org> parents: 4781 diff changeset	5863 if (thislist->n == 0)
4480 035fb0d5e7ce updated for version 7.3.988 Bram Moolenaar <bram@vim.org> parents: 4470 diff changeset	5864 break;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5865
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	5866 // compute nextlist
4783 47222d8b1e94 updated for version 7.3.1138 Bram Moolenaar <bram@vim.org> parents: 4781 diff changeset	5867 for (listidx = 0; listidx < thislist->n; ++listidx)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5868 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	5869 // If the list gets very long there probably is something wrong.
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	5870 // At least allow interrupting with CTRL-C.
11521 578df034735d patch 8.0.0643: when a pattern search is slow Vim becomes unusable Christian Brabandt <cb@256bit.org> parents: 11480 diff changeset	5871 fast_breakcheck();
578df034735d patch 8.0.0643: when a pattern search is slow Vim becomes unusable Christian Brabandt <cb@256bit.org> parents: 11480 diff changeset	5872 if (got_int)
578df034735d patch 8.0.0643: when a pattern search is slow Vim becomes unusable Christian Brabandt <cb@256bit.org> parents: 11480 diff changeset	5873 break;
578df034735d patch 8.0.0643: when a pattern search is slow Vim becomes unusable Christian Brabandt <cb@256bit.org> parents: 11480 diff changeset	5874 #ifdef FEAT_RELTIME
29071 b90bca860b5a patch 8.2.5057: using gettimeofday() for timeout is very inefficient Bram Moolenaar <Bram@vim.org> parents: 29028 diff changeset	5875 if (nfa_did_time_out())
29028 e0cf900448c1 patch 8.2.5036: using two counters for timeout check in NFA engine Bram Moolenaar <Bram@vim.org> parents: 29012 diff changeset	5876 break;
11521 578df034735d patch 8.0.0643: when a pattern search is slow Vim becomes unusable Christian Brabandt <cb@256bit.org> parents: 11480 diff changeset	5877 #endif
4783 47222d8b1e94 updated for version 7.3.1138 Bram Moolenaar <bram@vim.org> parents: 4781 diff changeset	5878 t = &thislist->t[listidx];
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5879
4460 fe8a0a6a1c2a updated for version 7.3.978 Bram Moolenaar <bram@vim.org> parents: 4458 diff changeset	5880 #ifdef NFA_REGEXP_DEBUG_LOG
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5881 nfa_set_code(t->state->c);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5882 fprintf(debug, "%s, ", code);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5883 #endif
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5884 #ifdef ENABLE_LOG
4657 93b7ed814bec updated for version 7.3.1076 Bram Moolenaar <bram@vim.org> parents: 4655 diff changeset	5885 {
93b7ed814bec updated for version 7.3.1076 Bram Moolenaar <bram@vim.org> parents: 4655 diff changeset	5886 int col;
93b7ed814bec updated for version 7.3.1076 Bram Moolenaar <bram@vim.org> parents: 4655 diff changeset	5887
4690 9d97a0c045ef updated for version 7.3.1092 Bram Moolenaar <bram@vim.org> parents: 4688 diff changeset	5888 if (t->subs.norm.in_use <= 0)
4657 93b7ed814bec updated for version 7.3.1076 Bram Moolenaar <bram@vim.org> parents: 4655 diff changeset	5889 col = -1;
93b7ed814bec updated for version 7.3.1076 Bram Moolenaar <bram@vim.org> parents: 4655 diff changeset	5890 else if (REG_MULTI)
6547 436d6c9e57f2 updated for version 7.4.600 Bram Moolenaar <bram@vim.org> parents: 6545 diff changeset	5891 col = t->subs.norm.list.multi[0].start_col;
4657 93b7ed814bec updated for version 7.3.1076 Bram Moolenaar <bram@vim.org> parents: 4655 diff changeset	5892 else
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	5893 col = (int)(t->subs.norm.list.line[0].start - rex.line);
4657 93b7ed814bec updated for version 7.3.1076 Bram Moolenaar <bram@vim.org> parents: 4655 diff changeset	5894 nfa_set_code(t->state->c);
14145 1cf832945469 patch 8.1.0090: "..." used inconsistently in a message Christian Brabandt <cb@256bit.org> parents: 14121 diff changeset	5895 fprintf(log_fd, "(%d) char %d %s (start col %d)%s... \n",
4813 bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	5896 abs(t->state->id), (int)t->state->c, code, col,
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	5897 pim_info(&t->pim));
4657 93b7ed814bec updated for version 7.3.1076 Bram Moolenaar <bram@vim.org> parents: 4655 diff changeset	5898 }
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5899 #endif
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5900
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5901 /*
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5902 * Handle the possible codes of the current state.
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5903 * The most important is NFA_MATCH.
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5904 */
4726 3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	5905 add_state = NULL;
4799 e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	5906 add_here = FALSE;
4726 3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	5907 add_count = 0;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5908 switch (t->state->c)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5909 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5910 case NFA_MATCH:
4567 96c1a7850097 updated for version 7.3.1031 Bram Moolenaar <bram@vim.org> parents: 4565 diff changeset	5911 {
23262 dca9e6b931d3 patch 8.2.2177: pattern "^" does not match if first character is combining Bram Moolenaar <Bram@vim.org> parents: 23251 diff changeset	5912 // If the match is not at the start of the line, ends before a
dca9e6b931d3 patch 8.2.2177: pattern "^" does not match if first character is combining Bram Moolenaar <Bram@vim.org> parents: 23251 diff changeset	5913 // composing characters and rex.reg_icombine is not set, that
dca9e6b931d3 patch 8.2.2177: pattern "^" does not match if first character is combining Bram Moolenaar <Bram@vim.org> parents: 23251 diff changeset	5914 // is not really a match.
dca9e6b931d3 patch 8.2.2177: pattern "^" does not match if first character is combining Bram Moolenaar <Bram@vim.org> parents: 23251 diff changeset	5915 if (enc_utf8 && !rex.reg_icombine
dca9e6b931d3 patch 8.2.2177: pattern "^" does not match if first character is combining Bram Moolenaar <Bram@vim.org> parents: 23251 diff changeset	5916 && rex.input != rex.line && utf_iscomposing(curc))
5901 10fc95f48546 updated for version 7.4.293 Bram Moolenaar <bram@vim.org> parents: 5895 diff changeset	5917 break;
15603 639b8318472c patch 8.1.0809: too many #ifdefs Bram Moolenaar <Bram@vim.org> parents: 15490 diff changeset	5918
4561 4d81fdda8f35 updated for version 7.3.1028 Bram Moolenaar <bram@vim.org> parents: 4559 diff changeset	5919 nfa_match = TRUE;
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	5920 copy_sub(&submatch->norm, &t->subs.norm);
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	5921 #ifdef FEAT_SYN_HL
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	5922 if (rex.nfa_has_zsubexpr)
4712 832bf8136d86 updated for version 7.3.1103 Bram Moolenaar <bram@vim.org> parents: 4696 diff changeset	5923 copy_sub(&submatch->synt, &t->subs.synt);
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	5924 #endif
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5925 #ifdef ENABLE_LOG
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	5926 log_subsexpr(&t->subs);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5927 #endif
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	5928 // Found the left-most longest match, do not look at any other
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	5929 // states at this position. When the list of states is going
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	5930 // to be empty quit without advancing, so that "rex.input" is
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	5931 // correct.
4783 47222d8b1e94 updated for version 7.3.1138 Bram Moolenaar <bram@vim.org> parents: 4781 diff changeset	5932 if (nextlist->n == 0)
4553 7b835b2969af updated for version 7.3.1024 Bram Moolenaar <bram@vim.org> parents: 4551 diff changeset	5933 clen = 0;
4515 90e9917d4114 updated for version 7.3.1005 Bram Moolenaar <bram@vim.org> parents: 4507 diff changeset	5934 goto nextchar;
4567 96c1a7850097 updated for version 7.3.1031 Bram Moolenaar <bram@vim.org> parents: 4565 diff changeset	5935 }
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5936
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5937 case NFA_END_INVISIBLE:
4785 3b5a023a4543 updated for version 7.3.1139 Bram Moolenaar <bram@vim.org> parents: 4783 diff changeset	5938 case NFA_END_INVISIBLE_NEG:
4750 7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	5939 case NFA_END_PATTERN:
4716 a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5940 /*
a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5941 * This is only encountered after a NFA_START_INVISIBLE or
4682 2f51ee8825db updated for version 7.3.1088 Bram Moolenaar <bram@vim.org> parents: 4679 diff changeset	5942 * NFA_START_INVISIBLE_BEFORE node.
2f51ee8825db updated for version 7.3.1088 Bram Moolenaar <bram@vim.org> parents: 4679 diff changeset	5943 * They surround a zero-width group, used with "\@=", "\&",
2f51ee8825db updated for version 7.3.1088 Bram Moolenaar <bram@vim.org> parents: 4679 diff changeset	5944 * "\@!", "\@<=" and "\@<!".
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5945 * If we got here, it means that the current "invisible" group
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5946 * finished successfully, so return control to the parent
4716 a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5947 * nfa_regmatch(). For a look-behind match only when it ends
a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5948 * in the position in "nfa_endp".
a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5949 * Submatches are stored in *m, and used in the parent call.
a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5950 */
4682 2f51ee8825db updated for version 7.3.1088 Bram Moolenaar <bram@vim.org> parents: 4679 diff changeset	5951 #ifdef ENABLE_LOG
4716 a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5952 if (nfa_endp != NULL)
a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5953 {
a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5954 if (REG_MULTI)
a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5955 fprintf(log_fd, "Current lnum: %d, endp lnum: %d; current col: %d, endp col: %d\n",
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	5956 (int)rex.lnum,
4716 a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5957 (int)nfa_endp->se_u.pos.lnum,
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	5958 (int)(rex.input - rex.line),
4716 a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5959 nfa_endp->se_u.pos.col);
a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5960 else
a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5961 fprintf(log_fd, "Current col: %d, endp col: %d\n",
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	5962 (int)(rex.input - rex.line),
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	5963 (int)(nfa_endp->se_u.ptr - rex.input));
4716 a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5964 }
4682 2f51ee8825db updated for version 7.3.1088 Bram Moolenaar <bram@vim.org> parents: 4679 diff changeset	5965 #endif
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	5966 // If "nfa_endp" is set it's only a match if it ends at
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	5967 // "nfa_endp"
4716 a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5968 if (nfa_endp != NULL && (REG_MULTI
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	5969 ? (rex.lnum != nfa_endp->se_u.pos.lnum
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	5970 \|\| (int)(rex.input - rex.line)
4716 a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5971 != nfa_endp->se_u.pos.col)
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	5972 : rex.input != nfa_endp->se_u.ptr))
4716 a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5973 break;
a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5974
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	5975 // do not set submatches for \@!
4785 3b5a023a4543 updated for version 7.3.1139 Bram Moolenaar <bram@vim.org> parents: 4783 diff changeset	5976 if (t->state->c != NFA_END_INVISIBLE_NEG)
4716 a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5977 {
a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5978 copy_sub(&m->norm, &t->subs.norm);
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	5979 #ifdef FEAT_SYN_HL
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	5980 if (rex.nfa_has_zsubexpr)
4716 a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5981 copy_sub(&m->synt, &t->subs.synt);
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	5982 #endif
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5983 }
4750 7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	5984 #ifdef ENABLE_LOG
7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	5985 fprintf(log_fd, "Match found:\n");
7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	5986 log_subsexpr(m);
7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	5987 #endif
4716 a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5988 nfa_match = TRUE;
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	5989 // See comment above at "goto nextchar".
5334 c1ae5baa41f4 updated for version 7.4.020 Bram Moolenaar <bram@vim.org> parents: 5310 diff changeset	5990 if (nextlist->n == 0)
c1ae5baa41f4 updated for version 7.4.020 Bram Moolenaar <bram@vim.org> parents: 5310 diff changeset	5991 clen = 0;
c1ae5baa41f4 updated for version 7.4.020 Bram Moolenaar <bram@vim.org> parents: 5310 diff changeset	5992 goto nextchar;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5993
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5994 case NFA_START_INVISIBLE:
4845 a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	5995 case NFA_START_INVISIBLE_FIRST:
4785 3b5a023a4543 updated for version 7.3.1139 Bram Moolenaar <bram@vim.org> parents: 4783 diff changeset	5996 case NFA_START_INVISIBLE_NEG:
4845 a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	5997 case NFA_START_INVISIBLE_NEG_FIRST:
4682 2f51ee8825db updated for version 7.3.1088 Bram Moolenaar <bram@vim.org> parents: 4679 diff changeset	5998 case NFA_START_INVISIBLE_BEFORE:
4845 a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	5999 case NFA_START_INVISIBLE_BEFORE_FIRST:
4785 3b5a023a4543 updated for version 7.3.1139 Bram Moolenaar <bram@vim.org> parents: 4783 diff changeset	6000 case NFA_START_INVISIBLE_BEFORE_NEG:
4845 a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	6001 case NFA_START_INVISIBLE_BEFORE_NEG_FIRST:
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6002 {
4821 2f1ee97f5f23 updated for version 7.3.1157 Bram Moolenaar <bram@vim.org> parents: 4819 diff changeset	6003 #ifdef ENABLE_LOG
2f1ee97f5f23 updated for version 7.3.1157 Bram Moolenaar <bram@vim.org> parents: 4819 diff changeset	6004 fprintf(log_fd, "Failure chance invisible: %d, what follows: %d\n",
2f1ee97f5f23 updated for version 7.3.1157 Bram Moolenaar <bram@vim.org> parents: 4819 diff changeset	6005 failure_chance(t->state->out, 0),
2f1ee97f5f23 updated for version 7.3.1157 Bram Moolenaar <bram@vim.org> parents: 4819 diff changeset	6006 failure_chance(t->state->out1->out, 0));
2f1ee97f5f23 updated for version 7.3.1157 Bram Moolenaar <bram@vim.org> parents: 4819 diff changeset	6007 #endif
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6008 // Do it directly if there already is a PIM or when
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6009 // nfa_postprocess() detected it will work better.
4845 a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	6010 if (t->pim.result != NFA_PIM_UNUSED
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	6011 \|\| t->state->c == NFA_START_INVISIBLE_FIRST
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	6012 \|\| t->state->c == NFA_START_INVISIBLE_NEG_FIRST
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	6013 \|\| t->state->c == NFA_START_INVISIBLE_BEFORE_FIRST
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	6014 \|\| t->state->c == NFA_START_INVISIBLE_BEFORE_NEG_FIRST)
4726 3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6015 {
5029 c9e2ccc53f2e updated for version 7.3.1258 Bram Moolenaar <bram@vim.org> parents: 5006 diff changeset	6016 int in_use = m->norm.in_use;
c9e2ccc53f2e updated for version 7.3.1258 Bram Moolenaar <bram@vim.org> parents: 5006 diff changeset	6017
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6018 // Copy submatch info for the recursive call, opposite
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6019 // of what happens on success below.
4997 8a7d3a73adab updated for version 7.3.1243 Bram Moolenaar <bram@vim.org> parents: 4958 diff changeset	6020 copy_sub_off(&m->norm, &t->subs.norm);
5370 90e2f0729a0d updated for version 7.4.036 Bram Moolenaar <bram@vim.org> parents: 5360 diff changeset	6021 #ifdef FEAT_SYN_HL
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	6022 if (rex.nfa_has_zsubexpr)
5370 90e2f0729a0d updated for version 7.4.036 Bram Moolenaar <bram@vim.org> parents: 5360 diff changeset	6023 copy_sub_off(&m->synt, &t->subs.synt);
90e2f0729a0d updated for version 7.4.036 Bram Moolenaar <bram@vim.org> parents: 5360 diff changeset	6024 #endif
4997 8a7d3a73adab updated for version 7.3.1243 Bram Moolenaar <bram@vim.org> parents: 4958 diff changeset	6025
4726 3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6026 /*
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6027 * First try matching the invisible match, then what
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6028 * follows.
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6029 */
4813 bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	6030 result = recursive_regmatch(t->state, NULL, prog,
14309 15530de011bc patch 8.1.0170: invalid memory use with complicated pattern Christian Brabandt <cb@256bit.org> parents: 14173 diff changeset	6031 submatch, m, &listids, &listids_len);
6328 adfbffe1e642 updated for version 7.4.497 Bram Moolenaar <bram@vim.org> parents: 6280 diff changeset	6032 if (result == NFA_TOO_EXPENSIVE)
adfbffe1e642 updated for version 7.4.497 Bram Moolenaar <bram@vim.org> parents: 6280 diff changeset	6033 {
adfbffe1e642 updated for version 7.4.497 Bram Moolenaar <bram@vim.org> parents: 6280 diff changeset	6034 nfa_match = result;
adfbffe1e642 updated for version 7.4.497 Bram Moolenaar <bram@vim.org> parents: 6280 diff changeset	6035 goto theend;
adfbffe1e642 updated for version 7.4.497 Bram Moolenaar <bram@vim.org> parents: 6280 diff changeset	6036 }
4726 3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6037
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6038 // for \@! and \@<! it is a match when the result is
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6039 // FALSE
4785 3b5a023a4543 updated for version 7.3.1139 Bram Moolenaar <bram@vim.org> parents: 4783 diff changeset	6040 if (result != (t->state->c == NFA_START_INVISIBLE_NEG
4845 a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	6041 \|\| t->state->c == NFA_START_INVISIBLE_NEG_FIRST
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	6042 \|\| t->state->c
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	6043 == NFA_START_INVISIBLE_BEFORE_NEG
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	6044 \|\| t->state->c
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	6045 == NFA_START_INVISIBLE_BEFORE_NEG_FIRST))
4726 3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6046 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6047 // Copy submatch info from the recursive call
4726 3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6048 copy_sub_off(&t->subs.norm, &m->norm);
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	6049 #ifdef FEAT_SYN_HL
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	6050 if (rex.nfa_has_zsubexpr)
4768 82e6588762e4 updated for version 7.3.1131 Bram Moolenaar <bram@vim.org> parents: 4762 diff changeset	6051 copy_sub_off(&t->subs.synt, &m->synt);
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	6052 #endif
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6053 // If the pattern has \ze and it matched in the
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6054 // sub pattern, use it.
5372 c3d379c2a115 updated for version 7.4.037 Bram Moolenaar <bram@vim.org> parents: 5370 diff changeset	6055 copy_ze_off(&t->subs.norm, &m->norm);
4657 93b7ed814bec updated for version 7.3.1076 Bram Moolenaar <bram@vim.org> parents: 4655 diff changeset	6056
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6057 // t->state->out1 is the corresponding
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6058 // END_INVISIBLE node; Add its out to the current
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6059 // list (zero-width match).
4799 e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6060 add_here = TRUE;
e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6061 add_state = t->state->out1->out;
4726 3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6062 }
5029 c9e2ccc53f2e updated for version 7.3.1258 Bram Moolenaar <bram@vim.org> parents: 5006 diff changeset	6063 m->norm.in_use = in_use;
4726 3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6064 }
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6065 else
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6066 {
4813 bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	6067 nfa_pim_T pim;
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	6068
4726 3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6069 /*
4813 bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	6070 * First try matching what follows. Only if a match
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	6071 * is found verify the invisible match matches. Add a
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	6072 * nfa_pim_T to the following states, it contains info
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	6073 * about the invisible match.
4726 3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6074 */
4813 bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	6075 pim.state = t->state;
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	6076 pim.result = NFA_PIM_TODO;
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	6077 pim.subs.norm.in_use = 0;
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	6078 #ifdef FEAT_SYN_HL
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	6079 pim.subs.synt.in_use = 0;
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	6080 #endif
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	6081 if (REG_MULTI)
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	6082 {
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	6083 pim.end.pos.col = (int)(rex.input - rex.line);
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	6084 pim.end.pos.lnum = rex.lnum;
4813 bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	6085 }
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	6086 else
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	6087 pim.end.ptr = rex.input;
4726 3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6088
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6089 // t->state->out1 is the corresponding END_INVISIBLE
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6090 // node; Add its out to the current list (zero-width
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6091 // match).
15796 481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	6092 if (addstate_here(thislist, t->state->out1->out,
481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	6093 &t->subs, &pim, &listidx) == NULL)
481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	6094 {
481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	6095 nfa_match = NFA_TOO_EXPENSIVE;
481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	6096 goto theend;
481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	6097 }
4726 3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6098 }
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6099 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6100 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6101
4750 7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	6102 case NFA_START_PATTERN:
4787 7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	6103 {
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	6104 nfa_state_T *skip = NULL;
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	6105 #ifdef ENABLE_LOG
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	6106 int skip_lid = 0;
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	6107 #endif
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	6108
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6109 // There is no point in trying to match the pattern if the
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6110 // output state is not going to be added to the list.
4787 7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	6111 if (state_in_list(nextlist, t->state->out1->out, &t->subs))
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	6112 {
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	6113 skip = t->state->out1->out;
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	6114 #ifdef ENABLE_LOG
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	6115 skip_lid = nextlist->id;
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	6116 #endif
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	6117 }
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	6118 else if (state_in_list(nextlist,
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	6119 t->state->out1->out->out, &t->subs))
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	6120 {
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	6121 skip = t->state->out1->out->out;
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	6122 #ifdef ENABLE_LOG
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	6123 skip_lid = nextlist->id;
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	6124 #endif
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	6125 }
4897 91136a41f83f updated for version 7.3.1194 Bram Moolenaar <bram@vim.org> parents: 4893 diff changeset	6126 else if (state_in_list(thislist,
4787 7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	6127 t->state->out1->out->out, &t->subs))
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	6128 {
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	6129 skip = t->state->out1->out->out;
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	6130 #ifdef ENABLE_LOG
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	6131 skip_lid = thislist->id;
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	6132 #endif
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	6133 }
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	6134 if (skip != NULL)
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	6135 {
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	6136 #ifdef ENABLE_LOG
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	6137 nfa_set_code(skip->c);
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	6138 fprintf(log_fd, "> Not trying to match pattern, output state %d is already in list %d. char %d: %s\n",
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	6139 abs(skip->id), skip_lid, skip->c, code);
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	6140 #endif
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	6141 break;
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	6142 }
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6143 // Copy submatch info to the recursive call, opposite of what
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6144 // happens afterwards.
5370 90e2f0729a0d updated for version 7.4.036 Bram Moolenaar <bram@vim.org> parents: 5360 diff changeset	6145 copy_sub_off(&m->norm, &t->subs.norm);
90e2f0729a0d updated for version 7.4.036 Bram Moolenaar <bram@vim.org> parents: 5360 diff changeset	6146 #ifdef FEAT_SYN_HL
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	6147 if (rex.nfa_has_zsubexpr)
5370 90e2f0729a0d updated for version 7.4.036 Bram Moolenaar <bram@vim.org> parents: 5360 diff changeset	6148 copy_sub_off(&m->synt, &t->subs.synt);
90e2f0729a0d updated for version 7.4.036 Bram Moolenaar <bram@vim.org> parents: 5360 diff changeset	6149 #endif
4787 7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	6150
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6151 // First try matching the pattern.
4813 bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	6152 result = recursive_regmatch(t->state, NULL, prog,
14309 15530de011bc patch 8.1.0170: invalid memory use with complicated pattern Christian Brabandt <cb@256bit.org> parents: 14173 diff changeset	6153 submatch, m, &listids, &listids_len);
6328 adfbffe1e642 updated for version 7.4.497 Bram Moolenaar <bram@vim.org> parents: 6280 diff changeset	6154 if (result == NFA_TOO_EXPENSIVE)
adfbffe1e642 updated for version 7.4.497 Bram Moolenaar <bram@vim.org> parents: 6280 diff changeset	6155 {
adfbffe1e642 updated for version 7.4.497 Bram Moolenaar <bram@vim.org> parents: 6280 diff changeset	6156 nfa_match = result;
adfbffe1e642 updated for version 7.4.497 Bram Moolenaar <bram@vim.org> parents: 6280 diff changeset	6157 goto theend;
adfbffe1e642 updated for version 7.4.497 Bram Moolenaar <bram@vim.org> parents: 6280 diff changeset	6158 }
4750 7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	6159 if (result)
7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	6160 {
7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	6161 int bytelen;
7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	6162
7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	6163 #ifdef ENABLE_LOG
7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	6164 fprintf(log_fd, "NFA_START_PATTERN matches:\n");
7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	6165 log_subsexpr(m);
7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	6166 #endif
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6167 // Copy submatch info from the recursive call
4750 7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	6168 copy_sub_off(&t->subs.norm, &m->norm);
7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	6169 #ifdef FEAT_SYN_HL
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	6170 if (rex.nfa_has_zsubexpr)
4768 82e6588762e4 updated for version 7.3.1131 Bram Moolenaar <bram@vim.org> parents: 4762 diff changeset	6171 copy_sub_off(&t->subs.synt, &m->synt);
4750 7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	6172 #endif
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6173 // Now we need to skip over the matched text and then
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6174 // continue with what follows.
4750 7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	6175 if (REG_MULTI)
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6176 // TODO: multi-line match
6547 436d6c9e57f2 updated for version 7.4.600 Bram Moolenaar <bram@vim.org> parents: 6545 diff changeset	6177 bytelen = m->norm.list.multi[0].end_col
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	6178 - (int)(rex.input - rex.line);
4750 7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	6179 else
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	6180 bytelen = (int)(m->norm.list.line[0].end - rex.input);
4750 7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	6181
7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	6182 #ifdef ENABLE_LOG
7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	6183 fprintf(log_fd, "NFA_START_PATTERN length: %d\n", bytelen);
7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	6184 #endif
7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	6185 if (bytelen == 0)
7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	6186 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6187 // empty match, output of corresponding
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6188 // NFA_END_PATTERN/NFA_SKIP to be used at current
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6189 // position
4799 e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6190 add_here = TRUE;
e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6191 add_state = t->state->out1->out->out;
4750 7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	6192 }
7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	6193 else if (bytelen <= clen)
7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	6194 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6195 // match current character, output of corresponding
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6196 // NFA_END_PATTERN to be used at next position.
4750 7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	6197 add_state = t->state->out1->out->out;
7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	6198 add_off = clen;
7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	6199 }
7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	6200 else
7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	6201 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6202 // skip over the matched characters, set character
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6203 // count in NFA_SKIP
4750 7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	6204 add_state = t->state->out1->out;
7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	6205 add_off = bytelen;
7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	6206 add_count = bytelen - clen;
7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	6207 }
7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	6208 }
7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	6209 break;
4787 7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	6210 }
4750 7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	6211
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6212 case NFA_BOL:
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	6213 if (rex.input == rex.line)
4799 e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6214 {
e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6215 add_here = TRUE;
e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6216 add_state = t->state->out;
e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6217 }
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6218 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6219
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6220 case NFA_EOL:
4549 849180347ac3 updated for version 7.3.1022 Bram Moolenaar <bram@vim.org> parents: 4547 diff changeset	6221 if (curc == NUL)
4799 e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6222 {
e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6223 add_here = TRUE;
e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6224 add_state = t->state->out;
e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6225 }
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6226 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6227
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6228 case NFA_BOW:
4785 3b5a023a4543 updated for version 7.3.1139 Bram Moolenaar <bram@vim.org> parents: 4783 diff changeset	6229 result = TRUE;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6230
4549 849180347ac3 updated for version 7.3.1022 Bram Moolenaar <bram@vim.org> parents: 4547 diff changeset	6231 if (curc == NUL)
4785 3b5a023a4543 updated for version 7.3.1139 Bram Moolenaar <bram@vim.org> parents: 4783 diff changeset	6232 result = FALSE;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6233 else if (has_mbyte)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6234 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6235 int this_class;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6236
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6237 // Get class of current and previous char (if it exists).
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	6238 this_class = mb_get_class_buf(rex.input, rex.reg_buf);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6239 if (this_class <= 1)
4785 3b5a023a4543 updated for version 7.3.1139 Bram Moolenaar <bram@vim.org> parents: 4783 diff changeset	6240 result = FALSE;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6241 else if (reg_prev_class() == this_class)
4785 3b5a023a4543 updated for version 7.3.1139 Bram Moolenaar <bram@vim.org> parents: 4783 diff changeset	6242 result = FALSE;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6243 }
10245 d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10170 diff changeset	6244 else if (!vim_iswordc_buf(curc, rex.reg_buf)
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	6245 \|\| (rex.input > rex.line
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	6246 && vim_iswordc_buf(rex.input[-1], rex.reg_buf)))
4785 3b5a023a4543 updated for version 7.3.1139 Bram Moolenaar <bram@vim.org> parents: 4783 diff changeset	6247 result = FALSE;
3b5a023a4543 updated for version 7.3.1139 Bram Moolenaar <bram@vim.org> parents: 4783 diff changeset	6248 if (result)
4799 e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6249 {
e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6250 add_here = TRUE;
e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6251 add_state = t->state->out;
e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6252 }
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6253 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6254
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6255 case NFA_EOW:
4785 3b5a023a4543 updated for version 7.3.1139 Bram Moolenaar <bram@vim.org> parents: 4783 diff changeset	6256 result = TRUE;
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	6257 if (rex.input == rex.line)
4785 3b5a023a4543 updated for version 7.3.1139 Bram Moolenaar <bram@vim.org> parents: 4783 diff changeset	6258 result = FALSE;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6259 else if (has_mbyte)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6260 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6261 int this_class, prev_class;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6262
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6263 // Get class of current and previous char (if it exists).
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	6264 this_class = mb_get_class_buf(rex.input, rex.reg_buf);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6265 prev_class = reg_prev_class();
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6266 if (this_class == prev_class
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6267 \|\| prev_class == 0 \|\| prev_class == 1)
4785 3b5a023a4543 updated for version 7.3.1139 Bram Moolenaar <bram@vim.org> parents: 4783 diff changeset	6268 result = FALSE;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6269 }
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	6270 else if (!vim_iswordc_buf(rex.input[-1], rex.reg_buf)
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	6271 \|\| (rex.input[0] != NUL
10245 d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10170 diff changeset	6272 && vim_iswordc_buf(curc, rex.reg_buf)))
4785 3b5a023a4543 updated for version 7.3.1139 Bram Moolenaar <bram@vim.org> parents: 4783 diff changeset	6273 result = FALSE;
3b5a023a4543 updated for version 7.3.1139 Bram Moolenaar <bram@vim.org> parents: 4783 diff changeset	6274 if (result)
4799 e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6275 {
e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6276 add_here = TRUE;
e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6277 add_state = t->state->out;
e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6278 }
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6279 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6280
4671 b3c59716e700 updated for version 7.3.1083 Bram Moolenaar <bram@vim.org> parents: 4669 diff changeset	6281 case NFA_BOF:
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	6282 if (rex.lnum == 0 && rex.input == rex.line
10245 d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10170 diff changeset	6283 && (!REG_MULTI \|\| rex.reg_firstlnum == 1))
4799 e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6284 {
e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6285 add_here = TRUE;
e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6286 add_state = t->state->out;
e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6287 }
4671 b3c59716e700 updated for version 7.3.1083 Bram Moolenaar <bram@vim.org> parents: 4669 diff changeset	6288 break;
b3c59716e700 updated for version 7.3.1083 Bram Moolenaar <bram@vim.org> parents: 4669 diff changeset	6289
b3c59716e700 updated for version 7.3.1083 Bram Moolenaar <bram@vim.org> parents: 4669 diff changeset	6290 case NFA_EOF:
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	6291 if (rex.lnum == rex.reg_maxline && curc == NUL)
4799 e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6292 {
e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6293 add_here = TRUE;
e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6294 add_state = t->state->out;
e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6295 }
4671 b3c59716e700 updated for version 7.3.1083 Bram Moolenaar <bram@vim.org> parents: 4669 diff changeset	6296 break;
b3c59716e700 updated for version 7.3.1083 Bram Moolenaar <bram@vim.org> parents: 4669 diff changeset	6297
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6298 case NFA_COMPOSING:
4527 55bcaa1d2749 updated for version 7.3.1011 Bram Moolenaar <bram@vim.org> parents: 4525 diff changeset	6299 {
4549 849180347ac3 updated for version 7.3.1022 Bram Moolenaar <bram@vim.org> parents: 4547 diff changeset	6300 int mc = curc;
4531 1be43c095aff updated for version 7.3.1013 Bram Moolenaar <bram@vim.org> parents: 4529 diff changeset	6301 int len = 0;
1be43c095aff updated for version 7.3.1013 Bram Moolenaar <bram@vim.org> parents: 4529 diff changeset	6302 nfa_state_T *end;
1be43c095aff updated for version 7.3.1013 Bram Moolenaar <bram@vim.org> parents: 4529 diff changeset	6303 nfa_state_T *sta;
4547 fc997f05cbc7 updated for version 7.3.1021 Bram Moolenaar <bram@vim.org> parents: 4543 diff changeset	6304 int cchars[MAX_MCO];
fc997f05cbc7 updated for version 7.3.1021 Bram Moolenaar <bram@vim.org> parents: 4543 diff changeset	6305 int ccount = 0;
fc997f05cbc7 updated for version 7.3.1021 Bram Moolenaar <bram@vim.org> parents: 4543 diff changeset	6306 int j;
fc997f05cbc7 updated for version 7.3.1021 Bram Moolenaar <bram@vim.org> parents: 4543 diff changeset	6307
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6308 sta = t->state->out;
4527 55bcaa1d2749 updated for version 7.3.1011 Bram Moolenaar <bram@vim.org> parents: 4525 diff changeset	6309 len = 0;
4535 45f97c349537 updated for version 7.3.1015 Bram Moolenaar <bram@vim.org> parents: 4533 diff changeset	6310 if (utf_iscomposing(sta->c))
45f97c349537 updated for version 7.3.1015 Bram Moolenaar <bram@vim.org> parents: 4533 diff changeset	6311 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6312 // Only match composing character(s), ignore base
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6313 // character. Used for ".{composing}" and "{composing}"
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6314 // (no preceding character).
4549 849180347ac3 updated for version 7.3.1022 Bram Moolenaar <bram@vim.org> parents: 4547 diff changeset	6315 len += mb_char2len(mc);
4535 45f97c349537 updated for version 7.3.1015 Bram Moolenaar <bram@vim.org> parents: 4533 diff changeset	6316 }
10245 d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10170 diff changeset	6317 if (rex.reg_icombine && len == 0)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6318 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6319 // If \Z was present, then ignore composing characters.
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6320 // When ignoring the base character this always matches.
13208 e96663c35bab patch 8.0.1478: unnecessary condition Christian Brabandt <cb@256bit.org> parents: 13192 diff changeset	6321 if (sta->c != curc)
4529 432a6b8c7d93 updated for version 7.3.1012 Bram Moolenaar <bram@vim.org> parents: 4527 diff changeset	6322 result = FAIL;
4547 fc997f05cbc7 updated for version 7.3.1021 Bram Moolenaar <bram@vim.org> parents: 4543 diff changeset	6323 else
fc997f05cbc7 updated for version 7.3.1021 Bram Moolenaar <bram@vim.org> parents: 4543 diff changeset	6324 result = OK;
4529 432a6b8c7d93 updated for version 7.3.1012 Bram Moolenaar <bram@vim.org> parents: 4527 diff changeset	6325 while (sta->c != NFA_END_COMPOSING)
432a6b8c7d93 updated for version 7.3.1012 Bram Moolenaar <bram@vim.org> parents: 4527 diff changeset	6326 sta = sta->out;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6327 }
4547 fc997f05cbc7 updated for version 7.3.1021 Bram Moolenaar <bram@vim.org> parents: 4543 diff changeset	6328
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6329 // Check base character matches first, unless ignored.
4547 fc997f05cbc7 updated for version 7.3.1021 Bram Moolenaar <bram@vim.org> parents: 4543 diff changeset	6330 else if (len > 0 \|\| mc == sta->c)
fc997f05cbc7 updated for version 7.3.1021 Bram Moolenaar <bram@vim.org> parents: 4543 diff changeset	6331 {
fc997f05cbc7 updated for version 7.3.1021 Bram Moolenaar <bram@vim.org> parents: 4543 diff changeset	6332 if (len == 0)
4529 432a6b8c7d93 updated for version 7.3.1012 Bram Moolenaar <bram@vim.org> parents: 4527 diff changeset	6333 {
432a6b8c7d93 updated for version 7.3.1012 Bram Moolenaar <bram@vim.org> parents: 4527 diff changeset	6334 len += mb_char2len(mc);
432a6b8c7d93 updated for version 7.3.1012 Bram Moolenaar <bram@vim.org> parents: 4527 diff changeset	6335 sta = sta->out;
432a6b8c7d93 updated for version 7.3.1012 Bram Moolenaar <bram@vim.org> parents: 4527 diff changeset	6336 }
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6337
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6338 // We don't care about the order of composing characters.
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6339 // Get them into cchars[] first.
4549 849180347ac3 updated for version 7.3.1022 Bram Moolenaar <bram@vim.org> parents: 4547 diff changeset	6340 while (len < clen)
4547 fc997f05cbc7 updated for version 7.3.1021 Bram Moolenaar <bram@vim.org> parents: 4543 diff changeset	6341 {
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	6342 mc = mb_ptr2char(rex.input + len);
4547 fc997f05cbc7 updated for version 7.3.1021 Bram Moolenaar <bram@vim.org> parents: 4543 diff changeset	6343 cchars[ccount++] = mc;
fc997f05cbc7 updated for version 7.3.1021 Bram Moolenaar <bram@vim.org> parents: 4543 diff changeset	6344 len += mb_char2len(mc);
fc997f05cbc7 updated for version 7.3.1021 Bram Moolenaar <bram@vim.org> parents: 4543 diff changeset	6345 if (ccount == MAX_MCO)
fc997f05cbc7 updated for version 7.3.1021 Bram Moolenaar <bram@vim.org> parents: 4543 diff changeset	6346 break;
fc997f05cbc7 updated for version 7.3.1021 Bram Moolenaar <bram@vim.org> parents: 4543 diff changeset	6347 }
fc997f05cbc7 updated for version 7.3.1021 Bram Moolenaar <bram@vim.org> parents: 4543 diff changeset	6348
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6349 // Check that each composing char in the pattern matches a
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6350 // composing char in the text. We do not check if all
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6351 // composing chars are matched.
4547 fc997f05cbc7 updated for version 7.3.1021 Bram Moolenaar <bram@vim.org> parents: 4543 diff changeset	6352 result = OK;
fc997f05cbc7 updated for version 7.3.1021 Bram Moolenaar <bram@vim.org> parents: 4543 diff changeset	6353 while (sta->c != NFA_END_COMPOSING)
fc997f05cbc7 updated for version 7.3.1021 Bram Moolenaar <bram@vim.org> parents: 4543 diff changeset	6354 {
fc997f05cbc7 updated for version 7.3.1021 Bram Moolenaar <bram@vim.org> parents: 4543 diff changeset	6355 for (j = 0; j < ccount; ++j)
fc997f05cbc7 updated for version 7.3.1021 Bram Moolenaar <bram@vim.org> parents: 4543 diff changeset	6356 if (cchars[j] == sta->c)
fc997f05cbc7 updated for version 7.3.1021 Bram Moolenaar <bram@vim.org> parents: 4543 diff changeset	6357 break;
fc997f05cbc7 updated for version 7.3.1021 Bram Moolenaar <bram@vim.org> parents: 4543 diff changeset	6358 if (j == ccount)
fc997f05cbc7 updated for version 7.3.1021 Bram Moolenaar <bram@vim.org> parents: 4543 diff changeset	6359 {
fc997f05cbc7 updated for version 7.3.1021 Bram Moolenaar <bram@vim.org> parents: 4543 diff changeset	6360 result = FAIL;
fc997f05cbc7 updated for version 7.3.1021 Bram Moolenaar <bram@vim.org> parents: 4543 diff changeset	6361 break;
fc997f05cbc7 updated for version 7.3.1021 Bram Moolenaar <bram@vim.org> parents: 4543 diff changeset	6362 }
fc997f05cbc7 updated for version 7.3.1021 Bram Moolenaar <bram@vim.org> parents: 4543 diff changeset	6363 sta = sta->out;
fc997f05cbc7 updated for version 7.3.1021 Bram Moolenaar <bram@vim.org> parents: 4543 diff changeset	6364 }
fc997f05cbc7 updated for version 7.3.1021 Bram Moolenaar <bram@vim.org> parents: 4543 diff changeset	6365 }
fc997f05cbc7 updated for version 7.3.1021 Bram Moolenaar <bram@vim.org> parents: 4543 diff changeset	6366 else
4525 36ddcf4cecbc updated for version 7.3.1010 Bram Moolenaar <bram@vim.org> parents: 4517 diff changeset	6367 result = FAIL;
4547 fc997f05cbc7 updated for version 7.3.1021 Bram Moolenaar <bram@vim.org> parents: 4543 diff changeset	6368
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6369 end = t->state->out1; // NFA_END_COMPOSING
4783 47222d8b1e94 updated for version 7.3.1138 Bram Moolenaar <bram@vim.org> parents: 4781 diff changeset	6370 ADD_STATE_IF_MATCH(end);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6371 break;
4527 55bcaa1d2749 updated for version 7.3.1011 Bram Moolenaar <bram@vim.org> parents: 4525 diff changeset	6372 }
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6373
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6374 case NFA_NEWL:
10245 d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10170 diff changeset	6375 if (curc == NUL && !rex.reg_line_lbr && REG_MULTI
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	6376 && rex.lnum <= rex.reg_maxline)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6377 {
4515 90e9917d4114 updated for version 7.3.1005 Bram Moolenaar <bram@vim.org> parents: 4507 diff changeset	6378 go_to_nextline = TRUE;
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6379 // Pass -1 for the offset, which means taking the position
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6380 // at the start of the next line.
4726 3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6381 add_state = t->state->out;
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6382 add_off = -1;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6383 }
10245 d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10170 diff changeset	6384 else if (curc == '\n' && rex.reg_line_lbr)
4555 b2946c06d1b6 updated for version 7.3.1025 Bram Moolenaar <bram@vim.org> parents: 4553 diff changeset	6385 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6386 // match \n as if it is an ordinary character
4726 3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6387 add_state = t->state->out;
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6388 add_off = 1;
4555 b2946c06d1b6 updated for version 7.3.1025 Bram Moolenaar <bram@vim.org> parents: 4553 diff changeset	6389 }
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6390 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6391
4781 c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6392 case NFA_START_COLL:
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6393 case NFA_START_NEG_COLL:
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6394 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6395 // What follows is a list of characters, until NFA_END_COLL.
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6396 // One of them must match or none of them must match.
4781 c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6397 nfa_state_T *state;
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6398 int result_if_matched;
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6399 int c1, c2;
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6400
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6401 // Never match EOL. If it's part of the collection it is added
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6402 // as a separate state with an OR.
4781 c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6403 if (curc == NUL)
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6404 break;
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6405
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6406 state = t->state->out;
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6407 result_if_matched = (t->state->c == NFA_START_COLL);
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6408 for (;;)
4726 3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6409 {
4781 c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6410 if (state->c == NFA_END_COLL)
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6411 {
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6412 result = !result_if_matched;
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6413 break;
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6414 }
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6415 if (state->c == NFA_RANGE_MIN)
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6416 {
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6417 c1 = state->val;
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6418 state = state->out; // advance to NFA_RANGE_MAX
4781 c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6419 c2 = state->val;
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6420 #ifdef ENABLE_LOG
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6421 fprintf(log_fd, "NFA_RANGE_MIN curc=%d c1=%d c2=%d\n",
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6422 curc, c1, c2);
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6423 #endif
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6424 if (curc >= c1 && curc <= c2)
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6425 {
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6426 result = result_if_matched;
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6427 break;
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6428 }
10245 d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10170 diff changeset	6429 if (rex.reg_ic)
4781 c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6430 {
20772 097f5b5c907b patch 8.2.0938: NFA regexp uses tolower ()to compare ignore-case Bram Moolenaar <Bram@vim.org> parents: 20677 diff changeset	6431 int curc_low = MB_CASEFOLD(curc);
4781 c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6432 int done = FALSE;
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6433
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6434 for ( ; c1 <= c2; ++c1)
20772 097f5b5c907b patch 8.2.0938: NFA regexp uses tolower ()to compare ignore-case Bram Moolenaar <Bram@vim.org> parents: 20677 diff changeset	6435 if (MB_CASEFOLD(c1) == curc_low)
4781 c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6436 {
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6437 result = result_if_matched;
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6438 done = TRUE;
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6439 break;
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6440 }
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6441 if (done)
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6442 break;
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6443 }
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6444 }
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6445 else if (state->c < 0 ? check_char_class(state->c, curc)
13192 9bd4151e5aeb patch 8.0.1470: integer overflow when using regexp pattern Christian Brabandt <cb@256bit.org> parents: 13043 diff changeset	6446 : (curc == state->c
20772 097f5b5c907b patch 8.2.0938: NFA regexp uses tolower ()to compare ignore-case Bram Moolenaar <Bram@vim.org> parents: 20677 diff changeset	6447 \|\| (rex.reg_ic && MB_CASEFOLD(curc)
097f5b5c907b patch 8.2.0938: NFA regexp uses tolower ()to compare ignore-case Bram Moolenaar <Bram@vim.org> parents: 20677 diff changeset	6448 == MB_CASEFOLD(state->c))))
4781 c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6449 {
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6450 result = result_if_matched;
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6451 break;
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6452 }
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6453 state = state->out;
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6454 }
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6455 if (result)
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6456 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6457 // next state is in out of the NFA_END_COLL, out1 of
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6458 // START points to the END state
4781 c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6459 add_state = t->state->out1->out;
4726 3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6460 add_off = clen;
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6461 }
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6462 break;
4781 c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6463 }
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6464
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6465 case NFA_ANY:
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6466 // Any char except '\0', (end of input) does not match.
4549 849180347ac3 updated for version 7.3.1022 Bram Moolenaar <bram@vim.org> parents: 4547 diff changeset	6467 if (curc > 0)
4726 3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6468 {
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6469 add_state = t->state->out;
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6470 add_off = clen;
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6471 }
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6472 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6473
5901 10fc95f48546 updated for version 7.4.293 Bram Moolenaar <bram@vim.org> parents: 5895 diff changeset	6474 case NFA_ANY_COMPOSING:
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6475 // On a composing character skip over it. Otherwise do
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6476 // nothing. Always matches.
5901 10fc95f48546 updated for version 7.4.293 Bram Moolenaar <bram@vim.org> parents: 5895 diff changeset	6477 if (enc_utf8 && utf_iscomposing(curc))
10fc95f48546 updated for version 7.4.293 Bram Moolenaar <bram@vim.org> parents: 5895 diff changeset	6478 {
10fc95f48546 updated for version 7.4.293 Bram Moolenaar <bram@vim.org> parents: 5895 diff changeset	6479 add_off = clen;
10fc95f48546 updated for version 7.4.293 Bram Moolenaar <bram@vim.org> parents: 5895 diff changeset	6480 }
10fc95f48546 updated for version 7.4.293 Bram Moolenaar <bram@vim.org> parents: 5895 diff changeset	6481 else
10fc95f48546 updated for version 7.4.293 Bram Moolenaar <bram@vim.org> parents: 5895 diff changeset	6482 {
10fc95f48546 updated for version 7.4.293 Bram Moolenaar <bram@vim.org> parents: 5895 diff changeset	6483 add_here = TRUE;
10fc95f48546 updated for version 7.4.293 Bram Moolenaar <bram@vim.org> parents: 5895 diff changeset	6484 add_off = 0;
10fc95f48546 updated for version 7.4.293 Bram Moolenaar <bram@vim.org> parents: 5895 diff changeset	6485 }
10fc95f48546 updated for version 7.4.293 Bram Moolenaar <bram@vim.org> parents: 5895 diff changeset	6486 add_state = t->state->out;
10fc95f48546 updated for version 7.4.293 Bram Moolenaar <bram@vim.org> parents: 5895 diff changeset	6487 break;
10fc95f48546 updated for version 7.4.293 Bram Moolenaar <bram@vim.org> parents: 5895 diff changeset	6488
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6489 /*
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6490 * Character classes like \a for alpha, \d for digit etc.
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6491 */
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6492 case NFA_IDENT: // \i
4549 849180347ac3 updated for version 7.3.1022 Bram Moolenaar <bram@vim.org> parents: 4547 diff changeset	6493 result = vim_isIDc(curc);
4783 47222d8b1e94 updated for version 7.3.1138 Bram Moolenaar <bram@vim.org> parents: 4781 diff changeset	6494 ADD_STATE_IF_MATCH(t->state);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6495 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6496
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6497 case NFA_SIDENT: // \I
4549 849180347ac3 updated for version 7.3.1022 Bram Moolenaar <bram@vim.org> parents: 4547 diff changeset	6498 result = !VIM_ISDIGIT(curc) && vim_isIDc(curc);
4783 47222d8b1e94 updated for version 7.3.1138 Bram Moolenaar <bram@vim.org> parents: 4781 diff changeset	6499 ADD_STATE_IF_MATCH(t->state);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6500 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6501
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6502 case NFA_KWORD: // \k
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	6503 result = vim_iswordp_buf(rex.input, rex.reg_buf);
4783 47222d8b1e94 updated for version 7.3.1138 Bram Moolenaar <bram@vim.org> parents: 4781 diff changeset	6504 ADD_STATE_IF_MATCH(t->state);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6505 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6506
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6507 case NFA_SKWORD: // \K
4549 849180347ac3 updated for version 7.3.1022 Bram Moolenaar <bram@vim.org> parents: 4547 diff changeset	6508 result = !VIM_ISDIGIT(curc)
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	6509 && vim_iswordp_buf(rex.input, rex.reg_buf);
4783 47222d8b1e94 updated for version 7.3.1138 Bram Moolenaar <bram@vim.org> parents: 4781 diff changeset	6510 ADD_STATE_IF_MATCH(t->state);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6511 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6512
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6513 case NFA_FNAME: // \f
4549 849180347ac3 updated for version 7.3.1022 Bram Moolenaar <bram@vim.org> parents: 4547 diff changeset	6514 result = vim_isfilec(curc);
4783 47222d8b1e94 updated for version 7.3.1138 Bram Moolenaar <bram@vim.org> parents: 4781 diff changeset	6515 ADD_STATE_IF_MATCH(t->state);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6516 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6517
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6518 case NFA_SFNAME: // \F
4549 849180347ac3 updated for version 7.3.1022 Bram Moolenaar <bram@vim.org> parents: 4547 diff changeset	6519 result = !VIM_ISDIGIT(curc) && vim_isfilec(curc);
4783 47222d8b1e94 updated for version 7.3.1138 Bram Moolenaar <bram@vim.org> parents: 4781 diff changeset	6520 ADD_STATE_IF_MATCH(t->state);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6521 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6522
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6523 case NFA_PRINT: // \p
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	6524 result = vim_isprintc(PTR2CHAR(rex.input));
4783 47222d8b1e94 updated for version 7.3.1138 Bram Moolenaar <bram@vim.org> parents: 4781 diff changeset	6525 ADD_STATE_IF_MATCH(t->state);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6526 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6527
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6528 case NFA_SPRINT: // \P
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	6529 result = !VIM_ISDIGIT(curc) && vim_isprintc(PTR2CHAR(rex.input));
4783 47222d8b1e94 updated for version 7.3.1138 Bram Moolenaar <bram@vim.org> parents: 4781 diff changeset	6530 ADD_STATE_IF_MATCH(t->state);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6531 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6532
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6533 case NFA_WHITE: // \s
11129 f4ea50924c6d patch 8.0.0452: some macros are in lower case Christian Brabandt <cb@256bit.org> parents: 11127 diff changeset	6534 result = VIM_ISWHITE(curc);
4783 47222d8b1e94 updated for version 7.3.1138 Bram Moolenaar <bram@vim.org> parents: 4781 diff changeset	6535 ADD_STATE_IF_MATCH(t->state);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6536 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6537
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6538 case NFA_NWHITE: // \S
11129 f4ea50924c6d patch 8.0.0452: some macros are in lower case Christian Brabandt <cb@256bit.org> parents: 11127 diff changeset	6539 result = curc != NUL && !VIM_ISWHITE(curc);
4783 47222d8b1e94 updated for version 7.3.1138 Bram Moolenaar <bram@vim.org> parents: 4781 diff changeset	6540 ADD_STATE_IF_MATCH(t->state);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6541 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6542
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6543 case NFA_DIGIT: // \d
4549 849180347ac3 updated for version 7.3.1022 Bram Moolenaar <bram@vim.org> parents: 4547 diff changeset	6544 result = ri_digit(curc);
4783 47222d8b1e94 updated for version 7.3.1138 Bram Moolenaar <bram@vim.org> parents: 4781 diff changeset	6545 ADD_STATE_IF_MATCH(t->state);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6546 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6547
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6548 case NFA_NDIGIT: // \D
4549 849180347ac3 updated for version 7.3.1022 Bram Moolenaar <bram@vim.org> parents: 4547 diff changeset	6549 result = curc != NUL && !ri_digit(curc);
4783 47222d8b1e94 updated for version 7.3.1138 Bram Moolenaar <bram@vim.org> parents: 4781 diff changeset	6550 ADD_STATE_IF_MATCH(t->state);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6551 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6552
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6553 case NFA_HEX: // \x
4549 849180347ac3 updated for version 7.3.1022 Bram Moolenaar <bram@vim.org> parents: 4547 diff changeset	6554 result = ri_hex(curc);
4783 47222d8b1e94 updated for version 7.3.1138 Bram Moolenaar <bram@vim.org> parents: 4781 diff changeset	6555 ADD_STATE_IF_MATCH(t->state);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6556 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6557
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6558 case NFA_NHEX: // \X
4549 849180347ac3 updated for version 7.3.1022 Bram Moolenaar <bram@vim.org> parents: 4547 diff changeset	6559 result = curc != NUL && !ri_hex(curc);
4783 47222d8b1e94 updated for version 7.3.1138 Bram Moolenaar <bram@vim.org> parents: 4781 diff changeset	6560 ADD_STATE_IF_MATCH(t->state);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6561 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6562
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6563 case NFA_OCTAL: // \o
4549 849180347ac3 updated for version 7.3.1022 Bram Moolenaar <bram@vim.org> parents: 4547 diff changeset	6564 result = ri_octal(curc);
4783 47222d8b1e94 updated for version 7.3.1138 Bram Moolenaar <bram@vim.org> parents: 4781 diff changeset	6565 ADD_STATE_IF_MATCH(t->state);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6566 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6567
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6568 case NFA_NOCTAL: // \O
4549 849180347ac3 updated for version 7.3.1022 Bram Moolenaar <bram@vim.org> parents: 4547 diff changeset	6569 result = curc != NUL && !ri_octal(curc);
4783 47222d8b1e94 updated for version 7.3.1138 Bram Moolenaar <bram@vim.org> parents: 4781 diff changeset	6570 ADD_STATE_IF_MATCH(t->state);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6571 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6572
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6573 case NFA_WORD: // \w
4549 849180347ac3 updated for version 7.3.1022 Bram Moolenaar <bram@vim.org> parents: 4547 diff changeset	6574 result = ri_word(curc);
4783 47222d8b1e94 updated for version 7.3.1138 Bram Moolenaar <bram@vim.org> parents: 4781 diff changeset	6575 ADD_STATE_IF_MATCH(t->state);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6576 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6577
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6578 case NFA_NWORD: // \W
4549 849180347ac3 updated for version 7.3.1022 Bram Moolenaar <bram@vim.org> parents: 4547 diff changeset	6579 result = curc != NUL && !ri_word(curc);
4783 47222d8b1e94 updated for version 7.3.1138 Bram Moolenaar <bram@vim.org> parents: 4781 diff changeset	6580 ADD_STATE_IF_MATCH(t->state);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6581 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6582
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6583 case NFA_HEAD: // \h
4549 849180347ac3 updated for version 7.3.1022 Bram Moolenaar <bram@vim.org> parents: 4547 diff changeset	6584 result = ri_head(curc);
4783 47222d8b1e94 updated for version 7.3.1138 Bram Moolenaar <bram@vim.org> parents: 4781 diff changeset	6585 ADD_STATE_IF_MATCH(t->state);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6586 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6587
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6588 case NFA_NHEAD: // \H
4549 849180347ac3 updated for version 7.3.1022 Bram Moolenaar <bram@vim.org> parents: 4547 diff changeset	6589 result = curc != NUL && !ri_head(curc);
4783 47222d8b1e94 updated for version 7.3.1138 Bram Moolenaar <bram@vim.org> parents: 4781 diff changeset	6590 ADD_STATE_IF_MATCH(t->state);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6591 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6592
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6593 case NFA_ALPHA: // \a
4549 849180347ac3 updated for version 7.3.1022 Bram Moolenaar <bram@vim.org> parents: 4547 diff changeset	6594 result = ri_alpha(curc);
4783 47222d8b1e94 updated for version 7.3.1138 Bram Moolenaar <bram@vim.org> parents: 4781 diff changeset	6595 ADD_STATE_IF_MATCH(t->state);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6596 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6597
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6598 case NFA_NALPHA: // \A
4549 849180347ac3 updated for version 7.3.1022 Bram Moolenaar <bram@vim.org> parents: 4547 diff changeset	6599 result = curc != NUL && !ri_alpha(curc);
4783 47222d8b1e94 updated for version 7.3.1138 Bram Moolenaar <bram@vim.org> parents: 4781 diff changeset	6600 ADD_STATE_IF_MATCH(t->state);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6601 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6602
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6603 case NFA_LOWER: // \l
4549 849180347ac3 updated for version 7.3.1022 Bram Moolenaar <bram@vim.org> parents: 4547 diff changeset	6604 result = ri_lower(curc);
4783 47222d8b1e94 updated for version 7.3.1138 Bram Moolenaar <bram@vim.org> parents: 4781 diff changeset	6605 ADD_STATE_IF_MATCH(t->state);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6606 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6607
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6608 case NFA_NLOWER: // \L
4549 849180347ac3 updated for version 7.3.1022 Bram Moolenaar <bram@vim.org> parents: 4547 diff changeset	6609 result = curc != NUL && !ri_lower(curc);
4783 47222d8b1e94 updated for version 7.3.1138 Bram Moolenaar <bram@vim.org> parents: 4781 diff changeset	6610 ADD_STATE_IF_MATCH(t->state);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6611 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6612
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6613 case NFA_UPPER: // \u
4549 849180347ac3 updated for version 7.3.1022 Bram Moolenaar <bram@vim.org> parents: 4547 diff changeset	6614 result = ri_upper(curc);
4783 47222d8b1e94 updated for version 7.3.1138 Bram Moolenaar <bram@vim.org> parents: 4781 diff changeset	6615 ADD_STATE_IF_MATCH(t->state);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6616 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6617
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6618 case NFA_NUPPER: // \U
4549 849180347ac3 updated for version 7.3.1022 Bram Moolenaar <bram@vim.org> parents: 4547 diff changeset	6619 result = curc != NUL && !ri_upper(curc);
4783 47222d8b1e94 updated for version 7.3.1138 Bram Moolenaar <bram@vim.org> parents: 4781 diff changeset	6620 ADD_STATE_IF_MATCH(t->state);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6621 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6622
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6623 case NFA_LOWER_IC: // [a-z]
10245 d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10170 diff changeset	6624 result = ri_lower(curc) \|\| (rex.reg_ic && ri_upper(curc));
5296 3e9107b86b68 updated for version 7.4.001 Bram Moolenaar <bram@vim.org> parents: 5255 diff changeset	6625 ADD_STATE_IF_MATCH(t->state);
3e9107b86b68 updated for version 7.4.001 Bram Moolenaar <bram@vim.org> parents: 5255 diff changeset	6626 break;
3e9107b86b68 updated for version 7.4.001 Bram Moolenaar <bram@vim.org> parents: 5255 diff changeset	6627
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6628 case NFA_NLOWER_IC: // [^a-z]
5296 3e9107b86b68 updated for version 7.4.001 Bram Moolenaar <bram@vim.org> parents: 5255 diff changeset	6629 result = curc != NUL
10245 d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10170 diff changeset	6630 && !(ri_lower(curc) \|\| (rex.reg_ic && ri_upper(curc)));
5296 3e9107b86b68 updated for version 7.4.001 Bram Moolenaar <bram@vim.org> parents: 5255 diff changeset	6631 ADD_STATE_IF_MATCH(t->state);
3e9107b86b68 updated for version 7.4.001 Bram Moolenaar <bram@vim.org> parents: 5255 diff changeset	6632 break;
3e9107b86b68 updated for version 7.4.001 Bram Moolenaar <bram@vim.org> parents: 5255 diff changeset	6633
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6634 case NFA_UPPER_IC: // [A-Z]
10245 d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10170 diff changeset	6635 result = ri_upper(curc) \|\| (rex.reg_ic && ri_lower(curc));
5296 3e9107b86b68 updated for version 7.4.001 Bram Moolenaar <bram@vim.org> parents: 5255 diff changeset	6636 ADD_STATE_IF_MATCH(t->state);
3e9107b86b68 updated for version 7.4.001 Bram Moolenaar <bram@vim.org> parents: 5255 diff changeset	6637 break;
3e9107b86b68 updated for version 7.4.001 Bram Moolenaar <bram@vim.org> parents: 5255 diff changeset	6638
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6639 case NFA_NUPPER_IC: // ^[A-Z]
5296 3e9107b86b68 updated for version 7.4.001 Bram Moolenaar <bram@vim.org> parents: 5255 diff changeset	6640 result = curc != NUL
10245 d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10170 diff changeset	6641 && !(ri_upper(curc) \|\| (rex.reg_ic && ri_lower(curc)));
5296 3e9107b86b68 updated for version 7.4.001 Bram Moolenaar <bram@vim.org> parents: 5255 diff changeset	6642 ADD_STATE_IF_MATCH(t->state);
3e9107b86b68 updated for version 7.4.001 Bram Moolenaar <bram@vim.org> parents: 5255 diff changeset	6643 break;
3e9107b86b68 updated for version 7.4.001 Bram Moolenaar <bram@vim.org> parents: 5255 diff changeset	6644
4571 b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	6645 case NFA_BACKREF1:
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	6646 case NFA_BACKREF2:
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	6647 case NFA_BACKREF3:
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	6648 case NFA_BACKREF4:
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	6649 case NFA_BACKREF5:
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	6650 case NFA_BACKREF6:
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	6651 case NFA_BACKREF7:
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	6652 case NFA_BACKREF8:
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	6653 case NFA_BACKREF9:
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	6654 #ifdef FEAT_SYN_HL
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	6655 case NFA_ZREF1:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	6656 case NFA_ZREF2:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	6657 case NFA_ZREF3:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	6658 case NFA_ZREF4:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	6659 case NFA_ZREF5:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	6660 case NFA_ZREF6:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	6661 case NFA_ZREF7:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	6662 case NFA_ZREF8:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	6663 case NFA_ZREF9:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	6664 #endif
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6665 // \1 .. \9 \z1 .. \z9
4571 b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	6666 {
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	6667 int subidx;
4571 b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	6668 int bytelen;
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	6669
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	6670 if (t->state->c <= NFA_BACKREF9)
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	6671 {
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	6672 subidx = t->state->c - NFA_BACKREF1 + 1;
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	6673 result = match_backref(&t->subs.norm, subidx, &bytelen);
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	6674 }
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	6675 #ifdef FEAT_SYN_HL
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	6676 else
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	6677 {
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	6678 subidx = t->state->c - NFA_ZREF1 + 1;
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	6679 result = match_zref(subidx, &bytelen);
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	6680 }
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	6681 #endif
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	6682
4571 b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	6683 if (result)
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	6684 {
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	6685 if (bytelen == 0)
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	6686 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6687 // empty match always works, output of NFA_SKIP to be
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6688 // used next
4799 e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6689 add_here = TRUE;
e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6690 add_state = t->state->out->out;
4571 b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	6691 }
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	6692 else if (bytelen <= clen)
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	6693 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6694 // match current character, jump ahead to out of
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6695 // NFA_SKIP
4726 3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6696 add_state = t->state->out->out;
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6697 add_off = clen;
4571 b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	6698 }
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	6699 else
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	6700 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6701 // skip over the matched characters, set character
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6702 // count in NFA_SKIP
4726 3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6703 add_state = t->state->out;
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6704 add_off = bytelen;
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6705 add_count = bytelen - clen;
4571 b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	6706 }
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	6707 }
4482 cd005ab15ef3 updated for version 7.3.989 Bram Moolenaar <bram@vim.org> parents: 4480 diff changeset	6708 break;
4571 b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	6709 }
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	6710 case NFA_SKIP:
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6711 // character of previous matching \1 .. \9 or \@>
4571 b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	6712 if (t->count - clen <= 0)
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	6713 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6714 // end of match, go to what follows
4726 3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6715 add_state = t->state->out;
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6716 add_off = clen;
4571 b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	6717 }
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	6718 else
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	6719 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6720 // add state again with decremented count
4726 3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6721 add_state = t->state;
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6722 add_off = 0;
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6723 add_count = t->count - clen;
4571 b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	6724 }
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	6725 break;
4482 cd005ab15ef3 updated for version 7.3.989 Bram Moolenaar <bram@vim.org> parents: 4480 diff changeset	6726
4583 321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	6727 case NFA_LNUM:
321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	6728 case NFA_LNUM_GT:
321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	6729 case NFA_LNUM_LT:
321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	6730 result = (REG_MULTI &&
321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	6731 nfa_re_num_cmp(t->state->val, t->state->c - NFA_LNUM,
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	6732 (long_u)(rex.lnum + rex.reg_firstlnum)));
4583 321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	6733 if (result)
4799 e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6734 {
e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6735 add_here = TRUE;
e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6736 add_state = t->state->out;
e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6737 }
4583 321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	6738 break;
321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	6739
321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	6740 case NFA_COL:
321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	6741 case NFA_COL_GT:
321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	6742 case NFA_COL_LT:
321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	6743 result = nfa_re_num_cmp(t->state->val, t->state->c - NFA_COL,
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	6744 (long_u)(rex.input - rex.line) + 1);
4583 321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	6745 if (result)
4799 e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6746 {
e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6747 add_here = TRUE;
e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6748 add_state = t->state->out;
e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6749 }
4583 321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	6750 break;
321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	6751
321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	6752 case NFA_VCOL:
321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	6753 case NFA_VCOL_GT:
321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	6754 case NFA_VCOL_LT:
4799 e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6755 {
6499 bcf9d3a6007f updated for version 7.4.577 Bram Moolenaar <bram@vim.org> parents: 6392 diff changeset	6756 int op = t->state->c - NFA_VCOL;
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	6757 colnr_T col = (colnr_T)(rex.input - rex.line);
10245 d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10170 diff changeset	6758 win_T *wp = rex.reg_win == NULL ? curwin : rex.reg_win;
6499 bcf9d3a6007f updated for version 7.4.577 Bram Moolenaar <bram@vim.org> parents: 6392 diff changeset	6759
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6760 // Bail out quickly when there can't be a match, avoid the
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6761 // overhead of win_linetabsize() on long lines.
6653 2c7f279d419c updated for version 7.4.651 Bram Moolenaar <bram@vim.org> parents: 6594 diff changeset	6762 if (op != 1 && col > t->state->val
15603 639b8318472c patch 8.1.0809: too many #ifdefs Bram Moolenaar <Bram@vim.org> parents: 15490 diff changeset	6763 * (has_mbyte ? MB_MAXBYTES : 1))
6499 bcf9d3a6007f updated for version 7.4.577 Bram Moolenaar <bram@vim.org> parents: 6392 diff changeset	6764 break;
6510 dfd593d81818 updated for version 7.4.582 Bram Moolenaar <bram@vim.org> parents: 6499 diff changeset	6765 result = FALSE;
dfd593d81818 updated for version 7.4.582 Bram Moolenaar <bram@vim.org> parents: 6499 diff changeset	6766 if (op == 1 && col - 1 > t->state->val && col > 100)
dfd593d81818 updated for version 7.4.582 Bram Moolenaar <bram@vim.org> parents: 6499 diff changeset	6767 {
dfd593d81818 updated for version 7.4.582 Bram Moolenaar <bram@vim.org> parents: 6499 diff changeset	6768 int ts = wp->w_buffer->b_p_ts;
dfd593d81818 updated for version 7.4.582 Bram Moolenaar <bram@vim.org> parents: 6499 diff changeset	6769
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6770 // Guess that a character won't use more columns than
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6771 // 'tabstop', with a minimum of 4.
6510 dfd593d81818 updated for version 7.4.582 Bram Moolenaar <bram@vim.org> parents: 6499 diff changeset	6772 if (ts < 4)
dfd593d81818 updated for version 7.4.582 Bram Moolenaar <bram@vim.org> parents: 6499 diff changeset	6773 ts = 4;
dfd593d81818 updated for version 7.4.582 Bram Moolenaar <bram@vim.org> parents: 6499 diff changeset	6774 result = col > t->state->val * ts;
dfd593d81818 updated for version 7.4.582 Bram Moolenaar <bram@vim.org> parents: 6499 diff changeset	6775 }
dfd593d81818 updated for version 7.4.582 Bram Moolenaar <bram@vim.org> parents: 6499 diff changeset	6776 if (!result)
dfd593d81818 updated for version 7.4.582 Bram Moolenaar <bram@vim.org> parents: 6499 diff changeset	6777 result = nfa_re_num_cmp(t->state->val, op,
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	6778 (long_u)win_linetabsize(wp, rex.line, col) + 1);
6499 bcf9d3a6007f updated for version 7.4.577 Bram Moolenaar <bram@vim.org> parents: 6392 diff changeset	6779 if (result)
bcf9d3a6007f updated for version 7.4.577 Bram Moolenaar <bram@vim.org> parents: 6392 diff changeset	6780 {
bcf9d3a6007f updated for version 7.4.577 Bram Moolenaar <bram@vim.org> parents: 6392 diff changeset	6781 add_here = TRUE;
bcf9d3a6007f updated for version 7.4.577 Bram Moolenaar <bram@vim.org> parents: 6392 diff changeset	6782 add_state = t->state->out;
bcf9d3a6007f updated for version 7.4.577 Bram Moolenaar <bram@vim.org> parents: 6392 diff changeset	6783 }
4799 e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6784 }
4583 321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	6785 break;
321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	6786
4732 0798b096bab3 updated for version 7.3.1113 Bram Moolenaar <bram@vim.org> parents: 4730 diff changeset	6787 case NFA_MARK:
0798b096bab3 updated for version 7.3.1113 Bram Moolenaar <bram@vim.org> parents: 4730 diff changeset	6788 case NFA_MARK_GT:
0798b096bab3 updated for version 7.3.1113 Bram Moolenaar <bram@vim.org> parents: 4730 diff changeset	6789 case NFA_MARK_LT:
0798b096bab3 updated for version 7.3.1113 Bram Moolenaar <bram@vim.org> parents: 4730 diff changeset	6790 {
28247 f70015784777 patch 8.2.4649: various formatting problems Bram Moolenaar <Bram@vim.org> parents: 28135 diff changeset	6791 pos_T *pos;
f70015784777 patch 8.2.4649: various formatting problems Bram Moolenaar <Bram@vim.org> parents: 28135 diff changeset	6792 size_t col = REG_MULTI ? rex.input - rex.line : 0;
f70015784777 patch 8.2.4649: various formatting problems Bram Moolenaar <Bram@vim.org> parents: 28135 diff changeset	6793
f70015784777 patch 8.2.4649: various formatting problems Bram Moolenaar <Bram@vim.org> parents: 28135 diff changeset	6794 pos = getmark_buf(rex.reg_buf, t->state->val, FALSE);
4732 0798b096bab3 updated for version 7.3.1113 Bram Moolenaar <bram@vim.org> parents: 4730 diff changeset	6795
26161 9835f424bef5 patch 8.2.3612: using freed memory with regexp using a mark Bram Moolenaar <Bram@vim.org> parents: 25747 diff changeset	6796 // Line may have been freed, get it again.
9835f424bef5 patch 8.2.3612: using freed memory with regexp using a mark Bram Moolenaar <Bram@vim.org> parents: 25747 diff changeset	6797 if (REG_MULTI)
9835f424bef5 patch 8.2.3612: using freed memory with regexp using a mark Bram Moolenaar <Bram@vim.org> parents: 25747 diff changeset	6798 {
9835f424bef5 patch 8.2.3612: using freed memory with regexp using a mark Bram Moolenaar <Bram@vim.org> parents: 25747 diff changeset	6799 rex.line = reg_getline(rex.lnum);
9835f424bef5 patch 8.2.3612: using freed memory with regexp using a mark Bram Moolenaar <Bram@vim.org> parents: 25747 diff changeset	6800 rex.input = rex.line + col;
9835f424bef5 patch 8.2.3612: using freed memory with regexp using a mark Bram Moolenaar <Bram@vim.org> parents: 25747 diff changeset	6801 }
9835f424bef5 patch 8.2.3612: using freed memory with regexp using a mark Bram Moolenaar <Bram@vim.org> parents: 25747 diff changeset	6802
24693 97789fcef0cf patch 8.2.2885: searching for %'> does not match linewise end of line Bram Moolenaar <Bram@vim.org> parents: 24580 diff changeset	6803 // Compare the mark position to the match position, if the mark
97789fcef0cf patch 8.2.2885: searching for %'> does not match linewise end of line Bram Moolenaar <Bram@vim.org> parents: 24580 diff changeset	6804 // exists and mark is set in reg_buf.
97789fcef0cf patch 8.2.2885: searching for %'> does not match linewise end of line Bram Moolenaar <Bram@vim.org> parents: 24580 diff changeset	6805 if (pos != NULL && pos->lnum > 0)
97789fcef0cf patch 8.2.2885: searching for %'> does not match linewise end of line Bram Moolenaar <Bram@vim.org> parents: 24580 diff changeset	6806 {
97789fcef0cf patch 8.2.2885: searching for %'> does not match linewise end of line Bram Moolenaar <Bram@vim.org> parents: 24580 diff changeset	6807 colnr_T pos_col = pos->lnum == rex.lnum + rex.reg_firstlnum
97789fcef0cf patch 8.2.2885: searching for %'> does not match linewise end of line Bram Moolenaar <Bram@vim.org> parents: 24580 diff changeset	6808 && pos->col == MAXCOL
97789fcef0cf patch 8.2.2885: searching for %'> does not match linewise end of line Bram Moolenaar <Bram@vim.org> parents: 24580 diff changeset	6809 ? (colnr_T)STRLEN(reg_getline(
97789fcef0cf patch 8.2.2885: searching for %'> does not match linewise end of line Bram Moolenaar <Bram@vim.org> parents: 24580 diff changeset	6810 pos->lnum - rex.reg_firstlnum))
97789fcef0cf patch 8.2.2885: searching for %'> does not match linewise end of line Bram Moolenaar <Bram@vim.org> parents: 24580 diff changeset	6811 : pos->col;
97789fcef0cf patch 8.2.2885: searching for %'> does not match linewise end of line Bram Moolenaar <Bram@vim.org> parents: 24580 diff changeset	6812
97789fcef0cf patch 8.2.2885: searching for %'> does not match linewise end of line Bram Moolenaar <Bram@vim.org> parents: 24580 diff changeset	6813 result = (pos->lnum == rex.lnum + rex.reg_firstlnum
97789fcef0cf patch 8.2.2885: searching for %'> does not match linewise end of line Bram Moolenaar <Bram@vim.org> parents: 24580 diff changeset	6814 ? (pos_col == (colnr_T)(rex.input - rex.line)
4732 0798b096bab3 updated for version 7.3.1113 Bram Moolenaar <bram@vim.org> parents: 4730 diff changeset	6815 ? t->state->c == NFA_MARK
24693 97789fcef0cf patch 8.2.2885: searching for %'> does not match linewise end of line Bram Moolenaar <Bram@vim.org> parents: 24580 diff changeset	6816 : (pos_col < (colnr_T)(rex.input - rex.line)
4732 0798b096bab3 updated for version 7.3.1113 Bram Moolenaar <bram@vim.org> parents: 4730 diff changeset	6817 ? t->state->c == NFA_MARK_GT
0798b096bab3 updated for version 7.3.1113 Bram Moolenaar <bram@vim.org> parents: 4730 diff changeset	6818 : t->state->c == NFA_MARK_LT))
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	6819 : (pos->lnum < rex.lnum + rex.reg_firstlnum
4732 0798b096bab3 updated for version 7.3.1113 Bram Moolenaar <bram@vim.org> parents: 4730 diff changeset	6820 ? t->state->c == NFA_MARK_GT
24693 97789fcef0cf patch 8.2.2885: searching for %'> does not match linewise end of line Bram Moolenaar <Bram@vim.org> parents: 24580 diff changeset	6821 : t->state->c == NFA_MARK_LT));
97789fcef0cf patch 8.2.2885: searching for %'> does not match linewise end of line Bram Moolenaar <Bram@vim.org> parents: 24580 diff changeset	6822 if (result)
97789fcef0cf patch 8.2.2885: searching for %'> does not match linewise end of line Bram Moolenaar <Bram@vim.org> parents: 24580 diff changeset	6823 {
97789fcef0cf patch 8.2.2885: searching for %'> does not match linewise end of line Bram Moolenaar <Bram@vim.org> parents: 24580 diff changeset	6824 add_here = TRUE;
97789fcef0cf patch 8.2.2885: searching for %'> does not match linewise end of line Bram Moolenaar <Bram@vim.org> parents: 24580 diff changeset	6825 add_state = t->state->out;
97789fcef0cf patch 8.2.2885: searching for %'> does not match linewise end of line Bram Moolenaar <Bram@vim.org> parents: 24580 diff changeset	6826 }
4799 e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6827 }
4732 0798b096bab3 updated for version 7.3.1113 Bram Moolenaar <bram@vim.org> parents: 4730 diff changeset	6828 break;
0798b096bab3 updated for version 7.3.1113 Bram Moolenaar <bram@vim.org> parents: 4730 diff changeset	6829 }
0798b096bab3 updated for version 7.3.1113 Bram Moolenaar <bram@vim.org> parents: 4730 diff changeset	6830
4583 321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	6831 case NFA_CURSOR:
10245 d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10170 diff changeset	6832 result = (rex.reg_win != NULL
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	6833 && (rex.lnum + rex.reg_firstlnum
10245 d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10170 diff changeset	6834 == rex.reg_win->w_cursor.lnum)
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	6835 && ((colnr_T)(rex.input - rex.line)
10245 d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10170 diff changeset	6836 == rex.reg_win->w_cursor.col));
4583 321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	6837 if (result)
4799 e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6838 {
e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6839 add_here = TRUE;
e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6840 add_state = t->state->out;
e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6841 }
4583 321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	6842 break;
321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	6843
4756 96f3348f9f11 updated for version 7.3.1125 Bram Moolenaar <bram@vim.org> parents: 4750 diff changeset	6844 case NFA_VISUAL:
4730 749e2b2755d5 updated for version 7.3.1112 Bram Moolenaar <bram@vim.org> parents: 4728 diff changeset	6845 result = reg_match_visual();
749e2b2755d5 updated for version 7.3.1112 Bram Moolenaar <bram@vim.org> parents: 4728 diff changeset	6846 if (result)
4799 e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6847 {
e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6848 add_here = TRUE;
e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6849 add_state = t->state->out;
e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6850 }
4730 749e2b2755d5 updated for version 7.3.1112 Bram Moolenaar <bram@vim.org> parents: 4728 diff changeset	6851 break;
749e2b2755d5 updated for version 7.3.1112 Bram Moolenaar <bram@vim.org> parents: 4728 diff changeset	6852
5251 2e63b6c763f7 updated for version 7.4b.002 Bram Moolenaar <bram@vim.org> parents: 5227 diff changeset	6853 case NFA_MOPEN1:
2e63b6c763f7 updated for version 7.4b.002 Bram Moolenaar <bram@vim.org> parents: 5227 diff changeset	6854 case NFA_MOPEN2:
2e63b6c763f7 updated for version 7.4b.002 Bram Moolenaar <bram@vim.org> parents: 5227 diff changeset	6855 case NFA_MOPEN3:
2e63b6c763f7 updated for version 7.4b.002 Bram Moolenaar <bram@vim.org> parents: 5227 diff changeset	6856 case NFA_MOPEN4:
2e63b6c763f7 updated for version 7.4b.002 Bram Moolenaar <bram@vim.org> parents: 5227 diff changeset	6857 case NFA_MOPEN5:
2e63b6c763f7 updated for version 7.4b.002 Bram Moolenaar <bram@vim.org> parents: 5227 diff changeset	6858 case NFA_MOPEN6:
2e63b6c763f7 updated for version 7.4b.002 Bram Moolenaar <bram@vim.org> parents: 5227 diff changeset	6859 case NFA_MOPEN7:
2e63b6c763f7 updated for version 7.4b.002 Bram Moolenaar <bram@vim.org> parents: 5227 diff changeset	6860 case NFA_MOPEN8:
2e63b6c763f7 updated for version 7.4b.002 Bram Moolenaar <bram@vim.org> parents: 5227 diff changeset	6861 case NFA_MOPEN9:
2e63b6c763f7 updated for version 7.4b.002 Bram Moolenaar <bram@vim.org> parents: 5227 diff changeset	6862 #ifdef FEAT_SYN_HL
2e63b6c763f7 updated for version 7.4b.002 Bram Moolenaar <bram@vim.org> parents: 5227 diff changeset	6863 case NFA_ZOPEN:
2e63b6c763f7 updated for version 7.4b.002 Bram Moolenaar <bram@vim.org> parents: 5227 diff changeset	6864 case NFA_ZOPEN1:
2e63b6c763f7 updated for version 7.4b.002 Bram Moolenaar <bram@vim.org> parents: 5227 diff changeset	6865 case NFA_ZOPEN2:
2e63b6c763f7 updated for version 7.4b.002 Bram Moolenaar <bram@vim.org> parents: 5227 diff changeset	6866 case NFA_ZOPEN3:
2e63b6c763f7 updated for version 7.4b.002 Bram Moolenaar <bram@vim.org> parents: 5227 diff changeset	6867 case NFA_ZOPEN4:
2e63b6c763f7 updated for version 7.4b.002 Bram Moolenaar <bram@vim.org> parents: 5227 diff changeset	6868 case NFA_ZOPEN5:
2e63b6c763f7 updated for version 7.4b.002 Bram Moolenaar <bram@vim.org> parents: 5227 diff changeset	6869 case NFA_ZOPEN6:
2e63b6c763f7 updated for version 7.4b.002 Bram Moolenaar <bram@vim.org> parents: 5227 diff changeset	6870 case NFA_ZOPEN7:
2e63b6c763f7 updated for version 7.4b.002 Bram Moolenaar <bram@vim.org> parents: 5227 diff changeset	6871 case NFA_ZOPEN8:
2e63b6c763f7 updated for version 7.4b.002 Bram Moolenaar <bram@vim.org> parents: 5227 diff changeset	6872 case NFA_ZOPEN9:
2e63b6c763f7 updated for version 7.4b.002 Bram Moolenaar <bram@vim.org> parents: 5227 diff changeset	6873 #endif
2e63b6c763f7 updated for version 7.4b.002 Bram Moolenaar <bram@vim.org> parents: 5227 diff changeset	6874 case NFA_NOPEN:
2e63b6c763f7 updated for version 7.4b.002 Bram Moolenaar <bram@vim.org> parents: 5227 diff changeset	6875 case NFA_ZSTART:
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6876 // These states are only added to be able to bail out when
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6877 // they are added again, nothing is to be done.
5251 2e63b6c763f7 updated for version 7.4b.002 Bram Moolenaar <bram@vim.org> parents: 5227 diff changeset	6878 break;
2e63b6c763f7 updated for version 7.4b.002 Bram Moolenaar <bram@vim.org> parents: 5227 diff changeset	6879
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6880 default: // regular character
4559 04086e297563 updated for version 7.3.1027 Bram Moolenaar <bram@vim.org> parents: 4557 diff changeset	6881 {
04086e297563 updated for version 7.3.1027 Bram Moolenaar <bram@vim.org> parents: 4557 diff changeset	6882 int c = t->state->c;
04086e297563 updated for version 7.3.1027 Bram Moolenaar <bram@vim.org> parents: 4557 diff changeset	6883
5251 2e63b6c763f7 updated for version 7.4b.002 Bram Moolenaar <bram@vim.org> parents: 5227 diff changeset	6884 #ifdef DEBUG
4785 3b5a023a4543 updated for version 7.3.1139 Bram Moolenaar <bram@vim.org> parents: 4783 diff changeset	6885 if (c < 0)
27000 8c0730eca2ce patch 8.2.4029: debugging NFA regexp my crash, cached indent may be wrong Bram Moolenaar <Bram@vim.org> parents: 26966 diff changeset	6886 siemsg("INTERNAL: Negative state char: %ld", (long)c);
5251 2e63b6c763f7 updated for version 7.4b.002 Bram Moolenaar <bram@vim.org> parents: 5227 diff changeset	6887 #endif
4559 04086e297563 updated for version 7.3.1027 Bram Moolenaar <bram@vim.org> parents: 4557 diff changeset	6888 result = (c == curc);
04086e297563 updated for version 7.3.1027 Bram Moolenaar <bram@vim.org> parents: 4557 diff changeset	6889
10245 d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10170 diff changeset	6890 if (!result && rex.reg_ic)
20772 097f5b5c907b patch 8.2.0938: NFA regexp uses tolower ()to compare ignore-case Bram Moolenaar <Bram@vim.org> parents: 20677 diff changeset	6891 result = MB_CASEFOLD(c) == MB_CASEFOLD(curc);
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6892 // If rex.reg_icombine is not set only skip over the character
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6893 // itself. When it is set skip over composing characters.
10245 d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10170 diff changeset	6894 if (result && enc_utf8 && !rex.reg_icombine)
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	6895 clen = utf_ptr2len(rex.input);
4783 47222d8b1e94 updated for version 7.3.1138 Bram Moolenaar <bram@vim.org> parents: 4781 diff changeset	6896 ADD_STATE_IF_MATCH(t->state);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6897 break;
4559 04086e297563 updated for version 7.3.1027 Bram Moolenaar <bram@vim.org> parents: 4557 diff changeset	6898 }
4726 3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6899
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6900 } // switch (t->state->c)
4726 3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6901
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6902 if (add_state != NULL)
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6903 {
4813 bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	6904 nfa_pim_T *pim;
5401 e7a2f217a385 updated for version 7.4.051 Bram Moolenaar <bram@vim.org> parents: 5372 diff changeset	6905 nfa_pim_T pim_copy;
4813 bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	6906
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	6907 if (t->pim.result == NFA_PIM_UNUSED)
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	6908 pim = NULL;
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	6909 else
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	6910 pim = &t->pim;
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	6911
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6912 // Handle the postponed invisible match if the match might end
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6913 // without advancing and before the end of the line.
4813 bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	6914 if (pim != NULL && (clen == 0 \|\| match_follows(add_state, 0)))
4726 3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6915 {
4813 bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	6916 if (pim->result == NFA_PIM_TODO)
4726 3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6917 {
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6918 #ifdef ENABLE_LOG
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6919 fprintf(log_fd, "\n");
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6920 fprintf(log_fd, "==================================\n");
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6921 fprintf(log_fd, "Postponed recursive nfa_regmatch()\n");
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6922 fprintf(log_fd, "\n");
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6923 #endif
4813 bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	6924 result = recursive_regmatch(pim->state, pim,
14309 15530de011bc patch 8.1.0170: invalid memory use with complicated pattern Christian Brabandt <cb@256bit.org> parents: 14173 diff changeset	6925 prog, submatch, m, &listids, &listids_len);
4813 bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	6926 pim->result = result ? NFA_PIM_MATCH : NFA_PIM_NOMATCH;
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6927 // for \@! and \@<! it is a match when the result is
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6928 // FALSE
4813 bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	6929 if (result != (pim->state->c == NFA_START_INVISIBLE_NEG
4845 a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	6930 \|\| pim->state->c == NFA_START_INVISIBLE_NEG_FIRST
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	6931 \|\| pim->state->c
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	6932 == NFA_START_INVISIBLE_BEFORE_NEG
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	6933 \|\| pim->state->c
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	6934 == NFA_START_INVISIBLE_BEFORE_NEG_FIRST))
4726 3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6935 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6936 // Copy submatch info from the recursive call
4813 bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	6937 copy_sub_off(&pim->subs.norm, &m->norm);
4726 3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6938 #ifdef FEAT_SYN_HL
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	6939 if (rex.nfa_has_zsubexpr)
4813 bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	6940 copy_sub_off(&pim->subs.synt, &m->synt);
4726 3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6941 #endif
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6942 }
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6943 }
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6944 else
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6945 {
4813 bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	6946 result = (pim->result == NFA_PIM_MATCH);
4726 3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6947 #ifdef ENABLE_LOG
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6948 fprintf(log_fd, "\n");
4813 bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	6949 fprintf(log_fd, "Using previous recursive nfa_regmatch() result, result == %d\n", pim->result);
4726 3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6950 fprintf(log_fd, "MATCH = %s\n", result == TRUE ? "OK" : "FALSE");
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6951 fprintf(log_fd, "\n");
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6952 #endif
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6953 }
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6954
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6955 // for \@! and \@<! it is a match when result is FALSE
4813 bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	6956 if (result != (pim->state->c == NFA_START_INVISIBLE_NEG
4845 a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	6957 \|\| pim->state->c == NFA_START_INVISIBLE_NEG_FIRST
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	6958 \|\| pim->state->c
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	6959 == NFA_START_INVISIBLE_BEFORE_NEG
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	6960 \|\| pim->state->c
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	6961 == NFA_START_INVISIBLE_BEFORE_NEG_FIRST))
4726 3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6962 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6963 // Copy submatch info from the recursive call
4813 bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	6964 copy_sub_off(&t->subs.norm, &pim->subs.norm);
4726 3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6965 #ifdef FEAT_SYN_HL
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	6966 if (rex.nfa_has_zsubexpr)
4813 bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	6967 copy_sub_off(&t->subs.synt, &pim->subs.synt);
4726 3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6968 #endif
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6969 }
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6970 else
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6971 // look-behind match failed, don't add the state
4726 3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6972 continue;
4813 bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	6973
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6974 // Postponed invisible match was handled, don't add it to
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6975 // following states.
4813 bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	6976 pim = NULL;
4726 3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6977 }
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6978
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6979 // If "pim" points into l->t it will become invalid when
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6980 // adding the state causes the list to be reallocated. Make a
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6981 // local copy to avoid that.
5401 e7a2f217a385 updated for version 7.4.051 Bram Moolenaar <bram@vim.org> parents: 5372 diff changeset	6982 if (pim == &t->pim)
e7a2f217a385 updated for version 7.4.051 Bram Moolenaar <bram@vim.org> parents: 5372 diff changeset	6983 {
e7a2f217a385 updated for version 7.4.051 Bram Moolenaar <bram@vim.org> parents: 5372 diff changeset	6984 copy_pim(&pim_copy, pim);
e7a2f217a385 updated for version 7.4.051 Bram Moolenaar <bram@vim.org> parents: 5372 diff changeset	6985 pim = &pim_copy;
e7a2f217a385 updated for version 7.4.051 Bram Moolenaar <bram@vim.org> parents: 5372 diff changeset	6986 }
e7a2f217a385 updated for version 7.4.051 Bram Moolenaar <bram@vim.org> parents: 5372 diff changeset	6987
4799 e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6988 if (add_here)
15796 481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	6989 r = addstate_here(thislist, add_state, &t->subs,
481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	6990 pim, &listidx);
4799 e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6991 else
e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6992 {
15796 481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	6993 r = addstate(nextlist, add_state, &t->subs, pim, add_off);
4799 e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6994 if (add_count > 0)
e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6995 nextlist->t[nextlist->n - 1].count = add_count;
e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6996 }
15796 481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	6997 if (r == NULL)
481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	6998 {
481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	6999 nfa_match = NFA_TOO_EXPENSIVE;
481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	7000 goto theend;
481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	7001 }
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7002 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7003
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	7004 } // for (thislist = thislist; thislist->state; thislist++)
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	7005
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	7006 // Look for the start of a match in the current position by adding the
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	7007 // start state to the list of states.
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	7008 // The first found match is the leftmost one, thus the order of states
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	7009 // matters!
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	7010 // Do not add the start state in recursive calls of nfa_regmatch(),
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	7011 // because recursive calls should only start in the first position.
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	7012 // Unless "nfa_endp" is not NULL, then we match the end position.
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	7013 // Also don't start a match past the first line.
4682 2f51ee8825db updated for version 7.3.1088 Bram Moolenaar <bram@vim.org> parents: 4679 diff changeset	7014 if (nfa_match == FALSE
4797 a30e3762957d updated for version 7.3.1145 Bram Moolenaar <bram@vim.org> parents: 4787 diff changeset	7015 && ((toplevel
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	7016 && rex.lnum == 0
4682 2f51ee8825db updated for version 7.3.1088 Bram Moolenaar <bram@vim.org> parents: 4679 diff changeset	7017 && clen != 0
10245 d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10170 diff changeset	7018 && (rex.reg_maxcol == 0
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	7019 \|\| (colnr_T)(rex.input - rex.line) < rex.reg_maxcol))
4694 efc4fb311d5d updated for version 7.3.1094 Bram Moolenaar <bram@vim.org> parents: 4692 diff changeset	7020 \|\| (nfa_endp != NULL
4682 2f51ee8825db updated for version 7.3.1088 Bram Moolenaar <bram@vim.org> parents: 4679 diff changeset	7021 && (REG_MULTI
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	7022 ? (rex.lnum < nfa_endp->se_u.pos.lnum
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	7023 \|\| (rex.lnum == nfa_endp->se_u.pos.lnum
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	7024 && (int)(rex.input - rex.line)
4694 efc4fb311d5d updated for version 7.3.1094 Bram Moolenaar <bram@vim.org> parents: 4692 diff changeset	7025 < nfa_endp->se_u.pos.col))
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	7026 : rex.input < nfa_endp->se_u.ptr))))
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7027 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7028 #ifdef ENABLE_LOG
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7029 fprintf(log_fd, "(---) STARTSTATE\n");
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7030 #endif
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	7031 // Inline optimized code for addstate() if we know the state is
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	7032 // the first MOPEN.
4797 a30e3762957d updated for version 7.3.1145 Bram Moolenaar <bram@vim.org> parents: 4787 diff changeset	7033 if (toplevel)
a30e3762957d updated for version 7.3.1145 Bram Moolenaar <bram@vim.org> parents: 4787 diff changeset	7034 {
4801 3cd3cc1e9119 updated for version 7.3.1147 Bram Moolenaar <bram@vim.org> parents: 4799 diff changeset	7035 int add = TRUE;
3cd3cc1e9119 updated for version 7.3.1147 Bram Moolenaar <bram@vim.org> parents: 4799 diff changeset	7036 int c;
3cd3cc1e9119 updated for version 7.3.1147 Bram Moolenaar <bram@vim.org> parents: 4799 diff changeset	7037
3cd3cc1e9119 updated for version 7.3.1147 Bram Moolenaar <bram@vim.org> parents: 4799 diff changeset	7038 if (prog->regstart != NUL && clen != 0)
3cd3cc1e9119 updated for version 7.3.1147 Bram Moolenaar <bram@vim.org> parents: 4799 diff changeset	7039 {
3cd3cc1e9119 updated for version 7.3.1147 Bram Moolenaar <bram@vim.org> parents: 4799 diff changeset	7040 if (nextlist->n == 0)
3cd3cc1e9119 updated for version 7.3.1147 Bram Moolenaar <bram@vim.org> parents: 4799 diff changeset	7041 {
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	7042 colnr_T col = (colnr_T)(rex.input - rex.line) + clen;
4801 3cd3cc1e9119 updated for version 7.3.1147 Bram Moolenaar <bram@vim.org> parents: 4799 diff changeset	7043
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	7044 // Nextlist is empty, we can skip ahead to the
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	7045 // character that must appear at the start.
4801 3cd3cc1e9119 updated for version 7.3.1147 Bram Moolenaar <bram@vim.org> parents: 4799 diff changeset	7046 if (skip_to_start(prog->regstart, &col) == FAIL)
3cd3cc1e9119 updated for version 7.3.1147 Bram Moolenaar <bram@vim.org> parents: 4799 diff changeset	7047 break;
3cd3cc1e9119 updated for version 7.3.1147 Bram Moolenaar <bram@vim.org> parents: 4799 diff changeset	7048 #ifdef ENABLE_LOG
3cd3cc1e9119 updated for version 7.3.1147 Bram Moolenaar <bram@vim.org> parents: 4799 diff changeset	7049 fprintf(log_fd, " Skipping ahead %d bytes to regstart\n",
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	7050 col - ((colnr_T)(rex.input - rex.line) + clen));
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	7051 #endif
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	7052 rex.input = rex.line + col - clen;
4801 3cd3cc1e9119 updated for version 7.3.1147 Bram Moolenaar <bram@vim.org> parents: 4799 diff changeset	7053 }
3cd3cc1e9119 updated for version 7.3.1147 Bram Moolenaar <bram@vim.org> parents: 4799 diff changeset	7054 else
3cd3cc1e9119 updated for version 7.3.1147 Bram Moolenaar <bram@vim.org> parents: 4799 diff changeset	7055 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	7056 // Checking if the required start character matches is
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	7057 // cheaper than adding a state that won't match.
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	7058 c = PTR2CHAR(rex.input + clen);
10245 d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10170 diff changeset	7059 if (c != prog->regstart && (!rex.reg_ic
20772 097f5b5c907b patch 8.2.0938: NFA regexp uses tolower ()to compare ignore-case Bram Moolenaar <Bram@vim.org> parents: 20677 diff changeset	7060 \|\| MB_CASEFOLD(c) != MB_CASEFOLD(prog->regstart)))
4801 3cd3cc1e9119 updated for version 7.3.1147 Bram Moolenaar <bram@vim.org> parents: 4799 diff changeset	7061 {
3cd3cc1e9119 updated for version 7.3.1147 Bram Moolenaar <bram@vim.org> parents: 4799 diff changeset	7062 #ifdef ENABLE_LOG
3cd3cc1e9119 updated for version 7.3.1147 Bram Moolenaar <bram@vim.org> parents: 4799 diff changeset	7063 fprintf(log_fd, " Skipping start state, regstart does not match\n");
3cd3cc1e9119 updated for version 7.3.1147 Bram Moolenaar <bram@vim.org> parents: 4799 diff changeset	7064 #endif
3cd3cc1e9119 updated for version 7.3.1147 Bram Moolenaar <bram@vim.org> parents: 4799 diff changeset	7065 add = FALSE;
3cd3cc1e9119 updated for version 7.3.1147 Bram Moolenaar <bram@vim.org> parents: 4799 diff changeset	7066 }
3cd3cc1e9119 updated for version 7.3.1147 Bram Moolenaar <bram@vim.org> parents: 4799 diff changeset	7067 }
3cd3cc1e9119 updated for version 7.3.1147 Bram Moolenaar <bram@vim.org> parents: 4799 diff changeset	7068 }
3cd3cc1e9119 updated for version 7.3.1147 Bram Moolenaar <bram@vim.org> parents: 4799 diff changeset	7069
3cd3cc1e9119 updated for version 7.3.1147 Bram Moolenaar <bram@vim.org> parents: 4799 diff changeset	7070 if (add)
3cd3cc1e9119 updated for version 7.3.1147 Bram Moolenaar <bram@vim.org> parents: 4799 diff changeset	7071 {
3cd3cc1e9119 updated for version 7.3.1147 Bram Moolenaar <bram@vim.org> parents: 4799 diff changeset	7072 if (REG_MULTI)
6547 436d6c9e57f2 updated for version 7.4.600 Bram Moolenaar <bram@vim.org> parents: 6545 diff changeset	7073 m->norm.list.multi[0].start_col =
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	7074 (colnr_T)(rex.input - rex.line) + clen;
4801 3cd3cc1e9119 updated for version 7.3.1147 Bram Moolenaar <bram@vim.org> parents: 4799 diff changeset	7075 else
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	7076 m->norm.list.line[0].start = rex.input + clen;
15796 481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	7077 if (addstate(nextlist, start->out, m, NULL, clen) == NULL)
481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	7078 {
481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	7079 nfa_match = NFA_TOO_EXPENSIVE;
481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	7080 goto theend;
481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	7081 }
4801 3cd3cc1e9119 updated for version 7.3.1147 Bram Moolenaar <bram@vim.org> parents: 4799 diff changeset	7082 }
4797 a30e3762957d updated for version 7.3.1145 Bram Moolenaar <bram@vim.org> parents: 4787 diff changeset	7083 }
a30e3762957d updated for version 7.3.1145 Bram Moolenaar <bram@vim.org> parents: 4787 diff changeset	7084 else
15796 481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	7085 {
481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	7086 if (addstate(nextlist, start, m, NULL, clen) == NULL)
481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	7087 {
481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	7088 nfa_match = NFA_TOO_EXPENSIVE;
481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	7089 goto theend;
481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	7090 }
481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	7091 }
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7092 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7093
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7094 #ifdef ENABLE_LOG
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7095 fprintf(log_fd, ">>> Thislist had %d states available: ", thislist->n);
4549 849180347ac3 updated for version 7.3.1022 Bram Moolenaar <bram@vim.org> parents: 4547 diff changeset	7096 {
849180347ac3 updated for version 7.3.1022 Bram Moolenaar <bram@vim.org> parents: 4547 diff changeset	7097 int i;
849180347ac3 updated for version 7.3.1022 Bram Moolenaar <bram@vim.org> parents: 4547 diff changeset	7098
849180347ac3 updated for version 7.3.1022 Bram Moolenaar <bram@vim.org> parents: 4547 diff changeset	7099 for (i = 0; i < thislist->n; i++)
849180347ac3 updated for version 7.3.1022 Bram Moolenaar <bram@vim.org> parents: 4547 diff changeset	7100 fprintf(log_fd, "%d ", abs(thislist->t[i].state->id));
849180347ac3 updated for version 7.3.1022 Bram Moolenaar <bram@vim.org> parents: 4547 diff changeset	7101 }
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7102 fprintf(log_fd, "\n");
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7103 #endif
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7104
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7105 nextchar:
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	7106 // Advance to the next character, or advance to the next line, or
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	7107 // finish.
4549 849180347ac3 updated for version 7.3.1022 Bram Moolenaar <bram@vim.org> parents: 4547 diff changeset	7108 if (clen != 0)
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	7109 rex.input += clen;
4694 efc4fb311d5d updated for version 7.3.1094 Bram Moolenaar <bram@vim.org> parents: 4692 diff changeset	7110 else if (go_to_nextline \|\| (nfa_endp != NULL && REG_MULTI
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	7111 && rex.lnum < nfa_endp->se_u.pos.lnum))
4515 90e9917d4114 updated for version 7.3.1005 Bram Moolenaar <bram@vim.org> parents: 4507 diff changeset	7112 reg_nextline();
90e9917d4114 updated for version 7.3.1005 Bram Moolenaar <bram@vim.org> parents: 4507 diff changeset	7113 else
90e9917d4114 updated for version 7.3.1005 Bram Moolenaar <bram@vim.org> parents: 4507 diff changeset	7114 break;
6499 bcf9d3a6007f updated for version 7.4.577 Bram Moolenaar <bram@vim.org> parents: 6392 diff changeset	7115
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	7116 // Allow interrupting with CTRL-C.
6573 ffba266e064d updated for version 7.4.613 Bram Moolenaar <bram@vim.org> parents: 6547 diff changeset	7117 line_breakcheck();
6499 bcf9d3a6007f updated for version 7.4.577 Bram Moolenaar <bram@vim.org> parents: 6392 diff changeset	7118 if (got_int)
bcf9d3a6007f updated for version 7.4.577 Bram Moolenaar <bram@vim.org> parents: 6392 diff changeset	7119 break;
6573 ffba266e064d updated for version 7.4.613 Bram Moolenaar <bram@vim.org> parents: 6547 diff changeset	7120 #ifdef FEAT_RELTIME
29071 b90bca860b5a patch 8.2.5057: using gettimeofday() for timeout is very inefficient Bram Moolenaar <Bram@vim.org> parents: 29028 diff changeset	7121 if (nfa_did_time_out())
29028 e0cf900448c1 patch 8.2.5036: using two counters for timeout check in NFA engine Bram Moolenaar <Bram@vim.org> parents: 29012 diff changeset	7122 break;
6573 ffba266e064d updated for version 7.4.613 Bram Moolenaar <bram@vim.org> parents: 6547 diff changeset	7123 #endif
4515 90e9917d4114 updated for version 7.3.1005 Bram Moolenaar <bram@vim.org> parents: 4507 diff changeset	7124 }
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7125
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7126 #ifdef ENABLE_LOG
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7127 if (log_fd != stderr)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7128 fclose(log_fd);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7129 log_fd = NULL;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7130 #endif
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7131
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7132 theend:
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	7133 // Free memory
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7134 vim_free(list[0].t);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7135 vim_free(list[1].t);
4561 4d81fdda8f35 updated for version 7.3.1028 Bram Moolenaar <bram@vim.org> parents: 4559 diff changeset	7136 vim_free(listids);
4783 47222d8b1e94 updated for version 7.3.1138 Bram Moolenaar <bram@vim.org> parents: 4781 diff changeset	7137 #undef ADD_STATE_IF_MATCH
4460 fe8a0a6a1c2a updated for version 7.3.978 Bram Moolenaar <bram@vim.org> parents: 4458 diff changeset	7138 #ifdef NFA_REGEXP_DEBUG_LOG
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7139 fclose(debug);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7140 #endif
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7141
4561 4d81fdda8f35 updated for version 7.3.1028 Bram Moolenaar <bram@vim.org> parents: 4559 diff changeset	7142 return nfa_match;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7143 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7144
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7145 /*
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	7146 * Try match of "prog" with at rex.line["col"].
6392 2bb019eb60ca updated for version 7.4.527 Bram Moolenaar <bram@vim.org> parents: 6328 diff changeset	7147 * Returns <= 0 for failure, number of lines contained in the match otherwise.
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7148 */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7149 static long
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	7150 nfa_regtry(
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	7151 nfa_regprog_T *prog,
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	7152 colnr_T col,
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	7153 int *timed_out UNUSED) // flag set on timeout or NULL
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7154 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7155 int i;
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	7156 regsubs_T subs, m;
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	7157 nfa_state_T *start = prog->start;
6328 adfbffe1e642 updated for version 7.4.497 Bram Moolenaar <bram@vim.org> parents: 6280 diff changeset	7158 int result;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7159 #ifdef ENABLE_LOG
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7160 FILE *f;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7161 #endif
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7162
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	7163 rex.input = rex.line + col;
6573 ffba266e064d updated for version 7.4.613 Bram Moolenaar <bram@vim.org> parents: 6547 diff changeset	7164 #ifdef FEAT_RELTIME
11521 578df034735d patch 8.0.0643: when a pattern search is slow Vim becomes unusable Christian Brabandt <cb@256bit.org> parents: 11480 diff changeset	7165 nfa_timed_out = timed_out;
6573 ffba266e064d updated for version 7.4.613 Bram Moolenaar <bram@vim.org> parents: 6547 diff changeset	7166 #endif
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7167
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7168 #ifdef ENABLE_LOG
4531 1be43c095aff updated for version 7.3.1013 Bram Moolenaar <bram@vim.org> parents: 4529 diff changeset	7169 f = fopen(NFA_REGEXP_RUN_LOG, "a");
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7170 if (f != NULL)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7171 {
4750 7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	7172 fprintf(f, "\n\n\t=======================================================\n");
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7173 #ifdef DEBUG
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7174 fprintf(f, "\tRegexp is \"%s\"\n", nfa_regengine.expr);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7175 #endif
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	7176 fprintf(f, "\tInput text is \"%s\" \n", rex.input);
4750 7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	7177 fprintf(f, "\t=======================================================\n\n");
4533 6a2005efa02b updated for version 7.3.1014 Bram Moolenaar <bram@vim.org> parents: 4531 diff changeset	7178 nfa_print_state(f, start);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7179 fprintf(f, "\n\n");
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7180 fclose(f);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7181 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7182 else
15470 55ccc2d353bd patch 8.1.0743: giving error messages is not flexible Bram Moolenaar <Bram@vim.org> parents: 15265 diff changeset	7183 emsg("Could not open temporary log file for writing");
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7184 #endif
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7185
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	7186 clear_sub(&subs.norm);
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	7187 clear_sub(&m.norm);
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	7188 #ifdef FEAT_SYN_HL
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	7189 clear_sub(&subs.synt);
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	7190 clear_sub(&m.synt);
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	7191 #endif
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	7192
6328 adfbffe1e642 updated for version 7.4.497 Bram Moolenaar <bram@vim.org> parents: 6280 diff changeset	7193 result = nfa_regmatch(prog, start, &subs, &m);
adfbffe1e642 updated for version 7.4.497 Bram Moolenaar <bram@vim.org> parents: 6280 diff changeset	7194 if (result == FALSE)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7195 return 0;
6328 adfbffe1e642 updated for version 7.4.497 Bram Moolenaar <bram@vim.org> parents: 6280 diff changeset	7196 else if (result == NFA_TOO_EXPENSIVE)
adfbffe1e642 updated for version 7.4.497 Bram Moolenaar <bram@vim.org> parents: 6280 diff changeset	7197 return result;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7198
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7199 cleanup_subexpr();
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7200 if (REG_MULTI)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7201 {
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	7202 for (i = 0; i < subs.norm.in_use; i++)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7203 {
10245 d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10170 diff changeset	7204 rex.reg_startpos[i].lnum = subs.norm.list.multi[i].start_lnum;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10170 diff changeset	7205 rex.reg_startpos[i].col = subs.norm.list.multi[i].start_col;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10170 diff changeset	7206
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10170 diff changeset	7207 rex.reg_endpos[i].lnum = subs.norm.list.multi[i].end_lnum;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10170 diff changeset	7208 rex.reg_endpos[i].col = subs.norm.list.multi[i].end_col;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7209 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7210
10245 d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10170 diff changeset	7211 if (rex.reg_startpos[0].lnum < 0)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7212 {
10245 d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10170 diff changeset	7213 rex.reg_startpos[0].lnum = 0;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10170 diff changeset	7214 rex.reg_startpos[0].col = col;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7215 }
10245 d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10170 diff changeset	7216 if (rex.reg_endpos[0].lnum < 0)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7217 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	7218 // pattern has a \ze but it didn't match, use current end
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	7219 rex.reg_endpos[0].lnum = rex.lnum;
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	7220 rex.reg_endpos[0].col = (int)(rex.input - rex.line);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7221 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7222 else
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	7223 // Use line number of "\ze".
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	7224 rex.lnum = rex.reg_endpos[0].lnum;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7225 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7226 else
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7227 {
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	7228 for (i = 0; i < subs.norm.in_use; i++)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7229 {
10245 d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10170 diff changeset	7230 rex.reg_startp[i] = subs.norm.list.line[i].start;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10170 diff changeset	7231 rex.reg_endp[i] = subs.norm.list.line[i].end;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7232 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7233
10245 d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10170 diff changeset	7234 if (rex.reg_startp[0] == NULL)
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	7235 rex.reg_startp[0] = rex.line + col;
10245 d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10170 diff changeset	7236 if (rex.reg_endp[0] == NULL)
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	7237 rex.reg_endp[0] = rex.input;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7238 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7239
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	7240 #ifdef FEAT_SYN_HL
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	7241 // Package any found \z(...\) matches for export. Default is none.
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	7242 unref_extmatch(re_extmatch_out);
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	7243 re_extmatch_out = NULL;
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	7244
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	7245 if (prog->reghasz == REX_SET)
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	7246 {
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	7247 cleanup_zsubexpr();
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	7248 re_extmatch_out = make_extmatch();
18945 c62d63d2b9f0 patch 8.2.0033: crash when make_extmatch() runs out of memory Bram Moolenaar <Bram@vim.org> parents: 18812 diff changeset	7249 if (re_extmatch_out == NULL)
c62d63d2b9f0 patch 8.2.0033: crash when make_extmatch() runs out of memory Bram Moolenaar <Bram@vim.org> parents: 18812 diff changeset	7250 return 0;
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	7251 // Loop over \z1, \z2, etc. There is no \z0.
7258 7245d8635ac7 commit https://github.com/vim/vim/commit/5ad075c0735d3d8b97708d17c22de8facb15f997 Christian Brabandt <cb@256bit.org> parents: 7152 diff changeset	7252 for (i = 1; i < subs.synt.in_use; i++)
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	7253 {
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	7254 if (REG_MULTI)
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	7255 {
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	7256 struct multipos *mpos = &subs.synt.list.multi[i];
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	7257
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	7258 // Only accept single line matches that are valid.
6547 436d6c9e57f2 updated for version 7.4.600 Bram Moolenaar <bram@vim.org> parents: 6545 diff changeset	7259 if (mpos->start_lnum >= 0
436d6c9e57f2 updated for version 7.4.600 Bram Moolenaar <bram@vim.org> parents: 6545 diff changeset	7260 && mpos->start_lnum == mpos->end_lnum
436d6c9e57f2 updated for version 7.4.600 Bram Moolenaar <bram@vim.org> parents: 6545 diff changeset	7261 && mpos->end_col >= mpos->start_col)
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	7262 re_extmatch_out->matches[i] =
6547 436d6c9e57f2 updated for version 7.4.600 Bram Moolenaar <bram@vim.org> parents: 6545 diff changeset	7263 vim_strnsave(reg_getline(mpos->start_lnum)
436d6c9e57f2 updated for version 7.4.600 Bram Moolenaar <bram@vim.org> parents: 6545 diff changeset	7264 + mpos->start_col,
436d6c9e57f2 updated for version 7.4.600 Bram Moolenaar <bram@vim.org> parents: 6545 diff changeset	7265 mpos->end_col - mpos->start_col);
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	7266 }
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	7267 else
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	7268 {
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	7269 struct linepos *lpos = &subs.synt.list.line[i];
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	7270
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	7271 if (lpos->start != NULL && lpos->end != NULL)
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	7272 re_extmatch_out->matches[i] =
20830 9064044fd4f6 patch 8.2.0967: unnecessary type casts for vim_strnsave() Bram Moolenaar <Bram@vim.org> parents: 20772 diff changeset	7273 vim_strnsave(lpos->start, lpos->end - lpos->start);
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	7274 }
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	7275 }
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	7276 }
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	7277 #endif
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	7278
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	7279 return 1 + rex.lnum;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7280 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7281
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7282 /*
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7283 * Match a regexp against a string ("line" points to the string) or multiple
24580 87ff80c08e4b patch 8.2.2829: some comments are not correct or clear Bram Moolenaar <Bram@vim.org> parents: 24351 diff changeset	7284 * lines (if "line" is NULL, use reg_getline()).
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7285 *
6392 2bb019eb60ca updated for version 7.4.527 Bram Moolenaar <bram@vim.org> parents: 6328 diff changeset	7286 * Returns <= 0 for failure, number of lines contained in the match otherwise.
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7287 */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7288 static long
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	7289 nfa_regexec_both(
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	7290 char_u *line,
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	7291 colnr_T startcol, // column to start looking for match
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	7292 int *timed_out) // flag set on timeout or NULL
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7293 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7294 nfa_regprog_T *prog;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7295 long retval = 0L;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7296 int i;
4772 03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	7297 colnr_T col = startcol;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7298
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7299 if (REG_MULTI)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7300 {
10245 d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10170 diff changeset	7301 prog = (nfa_regprog_T *)rex.reg_mmatch->regprog;
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	7302 line = reg_getline((linenr_T)0); // relative to the cursor
10245 d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10170 diff changeset	7303 rex.reg_startpos = rex.reg_mmatch->startpos;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10170 diff changeset	7304 rex.reg_endpos = rex.reg_mmatch->endpos;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7305 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7306 else
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7307 {
10245 d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10170 diff changeset	7308 prog = (nfa_regprog_T *)rex.reg_match->regprog;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10170 diff changeset	7309 rex.reg_startp = rex.reg_match->startp;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10170 diff changeset	7310 rex.reg_endp = rex.reg_match->endp;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7311 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7312
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	7313 // Be paranoid...
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7314 if (prog == NULL \|\| line == NULL)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7315 {
25306 078edc1821bf patch 8.2.3190: error messages are spread out Bram Moolenaar <Bram@vim.org> parents: 25178 diff changeset	7316 iemsg(_(e_null_argument));
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7317 goto theend;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7318 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7319
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	7320 // If pattern contains "\c" or "\C": overrule value of rex.reg_ic
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7321 if (prog->regflags & RF_ICASE)
10245 d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10170 diff changeset	7322 rex.reg_ic = TRUE;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7323 else if (prog->regflags & RF_NOICASE)
10245 d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10170 diff changeset	7324 rex.reg_ic = FALSE;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7325
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	7326 // If pattern contains "\Z" overrule value of rex.reg_icombine
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7327 if (prog->regflags & RF_ICOMBINE)
10245 d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10170 diff changeset	7328 rex.reg_icombine = TRUE;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7329
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	7330 rex.line = line;
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	7331 rex.lnum = 0; // relative to line
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	7332
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	7333 rex.nfa_has_zend = prog->has_zend;
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	7334 rex.nfa_has_backref = prog->has_backref;
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	7335 rex.nfa_nsubexpr = prog->nsubexp;
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	7336 rex.nfa_listid = 1;
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	7337 rex.nfa_alt_listid = 2;
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	7338 #ifdef DEBUG
4690 9d97a0c045ef updated for version 7.3.1092 Bram Moolenaar <bram@vim.org> parents: 4688 diff changeset	7339 nfa_regengine.expr = prog->pattern;
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	7340 #endif
4553 7b835b2969af updated for version 7.3.1024 Bram Moolenaar <bram@vim.org> parents: 4551 diff changeset	7341
4772 03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	7342 if (prog->reganch && col > 0)
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	7343 return 0L;
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	7344
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	7345 rex.need_clear_subexpr = TRUE;
4805 66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	7346 #ifdef FEAT_SYN_HL
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	7347 // Clear the external match subpointers if necessary.
4805 66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	7348 if (prog->reghasz == REX_SET)
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	7349 {
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	7350 rex.nfa_has_zsubexpr = TRUE;
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	7351 rex.need_clear_zsubexpr = TRUE;
4805 66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	7352 }
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	7353 else
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	7354 {
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	7355 rex.nfa_has_zsubexpr = FALSE;
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	7356 rex.need_clear_zsubexpr = FALSE;
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	7357 }
4805 66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	7358 #endif
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	7359
4772 03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	7360 if (prog->regstart != NUL)
4805 66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	7361 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	7362 // Skip ahead until a character we know the match must start with.
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	7363 // When there is none there is no match.
4801 3cd3cc1e9119 updated for version 7.3.1147 Bram Moolenaar <bram@vim.org> parents: 4799 diff changeset	7364 if (skip_to_start(prog->regstart, &col) == FAIL)
4772 03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	7365 return 0L;
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	7366
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	7367 // If match_text is set it contains the full text that must match.
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	7368 // Nothing else to try. Doesn't handle combining chars well.
15603 639b8318472c patch 8.1.0809: too many #ifdefs Bram Moolenaar <Bram@vim.org> parents: 15490 diff changeset	7369 if (prog->match_text != NULL && !rex.reg_icombine)
4805 66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	7370 return find_match_text(col, prog->regstart, prog->match_text);
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	7371 }
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	7372
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	7373 // If the start column is past the maximum column: no need to try.
10245 d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10170 diff changeset	7374 if (rex.reg_maxcol > 0 && col >= rex.reg_maxcol)
4772 03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	7375 goto theend;
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	7376
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	7377 // Set the "nstate" used by nfa_regcomp() to zero to trigger an error when
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	7378 // it's accidentally used during execution.
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	7379 nstate = 0;
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	7380 for (i = 0; i < prog->nstate; ++i)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7381 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7382 prog->state[i].id = i;
4718 ec72bb4a0fc2 updated for version 7.3.1106 Bram Moolenaar <bram@vim.org> parents: 4716 diff changeset	7383 prog->state[i].lastlist[0] = 0;
ec72bb4a0fc2 updated for version 7.3.1106 Bram Moolenaar <bram@vim.org> parents: 4716 diff changeset	7384 prog->state[i].lastlist[1] = 0;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7385 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7386
29071 b90bca860b5a patch 8.2.5057: using gettimeofday() for timeout is very inefficient Bram Moolenaar <Bram@vim.org> parents: 29028 diff changeset	7387 retval = nfa_regtry(prog, col, timed_out);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7388
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	7389 #ifdef DEBUG
4690 9d97a0c045ef updated for version 7.3.1092 Bram Moolenaar <bram@vim.org> parents: 4688 diff changeset	7390 nfa_regengine.expr = NULL;
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	7391 #endif
4690 9d97a0c045ef updated for version 7.3.1092 Bram Moolenaar <bram@vim.org> parents: 4688 diff changeset	7392
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7393 theend:
23270 22d0c25869d8 patch 8.2.2181: valgrind warnings for using uninitialized value Bram Moolenaar <Bram@vim.org> parents: 23262 diff changeset	7394 if (retval > 0)
23150 90b16a0022e5 patch 8.2.2121: internal error when using ze before zs in a pattern Bram Moolenaar <Bram@vim.org> parents: 22167 diff changeset	7395 {
23270 22d0c25869d8 patch 8.2.2181: valgrind warnings for using uninitialized value Bram Moolenaar <Bram@vim.org> parents: 23262 diff changeset	7396 // Make sure the end is never before the start. Can happen when \zs and
22d0c25869d8 patch 8.2.2181: valgrind warnings for using uninitialized value Bram Moolenaar <Bram@vim.org> parents: 23262 diff changeset	7397 // \ze are used.
22d0c25869d8 patch 8.2.2181: valgrind warnings for using uninitialized value Bram Moolenaar <Bram@vim.org> parents: 23262 diff changeset	7398 if (REG_MULTI)
22d0c25869d8 patch 8.2.2181: valgrind warnings for using uninitialized value Bram Moolenaar <Bram@vim.org> parents: 23262 diff changeset	7399 {
22d0c25869d8 patch 8.2.2181: valgrind warnings for using uninitialized value Bram Moolenaar <Bram@vim.org> parents: 23262 diff changeset	7400 lpos_T *start = &rex.reg_mmatch->startpos[0];
22d0c25869d8 patch 8.2.2181: valgrind warnings for using uninitialized value Bram Moolenaar <Bram@vim.org> parents: 23262 diff changeset	7401 lpos_T *end = &rex.reg_mmatch->endpos[0];
22d0c25869d8 patch 8.2.2181: valgrind warnings for using uninitialized value Bram Moolenaar <Bram@vim.org> parents: 23262 diff changeset	7402
22d0c25869d8 patch 8.2.2181: valgrind warnings for using uninitialized value Bram Moolenaar <Bram@vim.org> parents: 23262 diff changeset	7403 if (end->lnum < start->lnum
23150 90b16a0022e5 patch 8.2.2121: internal error when using ze before zs in a pattern Bram Moolenaar <Bram@vim.org> parents: 22167 diff changeset	7404 \|\| (end->lnum == start->lnum && end->col < start->col))
23270 22d0c25869d8 patch 8.2.2181: valgrind warnings for using uninitialized value Bram Moolenaar <Bram@vim.org> parents: 23262 diff changeset	7405 rex.reg_mmatch->endpos[0] = rex.reg_mmatch->startpos[0];
22d0c25869d8 patch 8.2.2181: valgrind warnings for using uninitialized value Bram Moolenaar <Bram@vim.org> parents: 23262 diff changeset	7406 }
22d0c25869d8 patch 8.2.2181: valgrind warnings for using uninitialized value Bram Moolenaar <Bram@vim.org> parents: 23262 diff changeset	7407 else
22d0c25869d8 patch 8.2.2181: valgrind warnings for using uninitialized value Bram Moolenaar <Bram@vim.org> parents: 23262 diff changeset	7408 {
22d0c25869d8 patch 8.2.2181: valgrind warnings for using uninitialized value Bram Moolenaar <Bram@vim.org> parents: 23262 diff changeset	7409 if (rex.reg_match->endp[0] < rex.reg_match->startp[0])
22d0c25869d8 patch 8.2.2181: valgrind warnings for using uninitialized value Bram Moolenaar <Bram@vim.org> parents: 23262 diff changeset	7410 rex.reg_match->endp[0] = rex.reg_match->startp[0];
22d0c25869d8 patch 8.2.2181: valgrind warnings for using uninitialized value Bram Moolenaar <Bram@vim.org> parents: 23262 diff changeset	7411 }
23150 90b16a0022e5 patch 8.2.2121: internal error when using ze before zs in a pattern Bram Moolenaar <Bram@vim.org> parents: 22167 diff changeset	7412 }
90b16a0022e5 patch 8.2.2121: internal error when using ze before zs in a pattern Bram Moolenaar <Bram@vim.org> parents: 22167 diff changeset	7413
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7414 return retval;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7415 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7416
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7417 /*
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7418 * Compile a regular expression into internal code for the NFA matcher.
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7419 * Returns the program in allocated space. Returns NULL for an error.
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7420 */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7421 static regprog_T *
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	7422 nfa_regcomp(char_u *expr, int re_flags)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7423 {
4541 80170d61a85c updated for version 7.3.1018 Bram Moolenaar <bram@vim.org> parents: 4539 diff changeset	7424 nfa_regprog_T *prog = NULL;
4458 21e13403140a updated for version 7.3.977 Bram Moolenaar <bram@vim.org> parents: 4456 diff changeset	7425 size_t prog_size;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7426 int *postfix;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7427
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7428 if (expr == NULL)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7429 return NULL;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7430
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	7431 #ifdef DEBUG
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7432 nfa_regengine.expr = expr;
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	7433 #endif
6533 bdc8e71633e4 updated for version 7.4.593 Bram Moolenaar <bram@vim.org> parents: 6510 diff changeset	7434 nfa_re_flags = re_flags;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7435
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7436 init_class_tab();
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7437
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7438 if (nfa_regcomp_start(expr, re_flags) == FAIL)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7439 return NULL;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7440
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	7441 // Build postfix form of the regexp. Needed to build the NFA
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	7442 // (and count its size).
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7443 postfix = re2post();
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7444 if (postfix == NULL)
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	7445 goto fail; // Cascaded (syntax?) error
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7446
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7447 /*
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7448 * In order to build the NFA, we parse the input regexp twice:
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7449 * 1. first pass to count size (so we can allocate space)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7450 * 2. second to emit code
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7451 */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7452 #ifdef ENABLE_LOG
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7453 {
4531 1be43c095aff updated for version 7.3.1013 Bram Moolenaar <bram@vim.org> parents: 4529 diff changeset	7454 FILE *f = fopen(NFA_REGEXP_RUN_LOG, "a");
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7455
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7456 if (f != NULL)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7457 {
14145 1cf832945469 patch 8.1.0090: "..." used inconsistently in a message Christian Brabandt <cb@256bit.org> parents: 14121 diff changeset	7458 fprintf(f, "\n*****************************\n\n\n\n\tCompiling regexp \"%s\"... hold on !\n", expr);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7459 fclose(f);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7460 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7461 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7462 #endif
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7463
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7464 /*
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7465 * PASS 1
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7466 * Count number of NFA states in "nstate". Do not build the NFA.
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7467 */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7468 post2nfa(postfix, post_ptr, TRUE);
4541 80170d61a85c updated for version 7.3.1018 Bram Moolenaar <bram@vim.org> parents: 4539 diff changeset	7469
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	7470 // allocate the regprog with space for the compiled regexp
4837 05b8436873d4 updated for version 7.3.1165 Bram Moolenaar <bram@vim.org> parents: 4821 diff changeset	7471 prog_size = sizeof(nfa_regprog_T) + sizeof(nfa_state_T) * (nstate - 1);
16825 ce04ebdf26b8 patch 8.1.1414: alloc() returning "char_u " causes a lot of type casts Bram Moolenaar <Bram@vim.org>* parents: 16782 diff changeset	7472 prog = alloc(prog_size);
4541 80170d61a85c updated for version 7.3.1018 Bram Moolenaar <bram@vim.org> parents: 4539 diff changeset	7473 if (prog == NULL)
80170d61a85c updated for version 7.3.1018 Bram Moolenaar <bram@vim.org> parents: 4539 diff changeset	7474 goto fail;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7475 state_ptr = prog->state;
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	7476 prog->re_in_use = FALSE;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7477
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7478 /*
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7479 * PASS 2
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7480 * Build the NFA
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7481 */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7482 prog->start = post2nfa(postfix, post_ptr, FALSE);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7483 if (prog->start == NULL)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7484 goto fail;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7485
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7486 prog->regflags = regflags;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7487 prog->engine = &nfa_regengine;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7488 prog->nstate = nstate;
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	7489 prog->has_zend = rex.nfa_has_zend;
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	7490 prog->has_backref = rex.nfa_has_backref;
4561 4d81fdda8f35 updated for version 7.3.1028 Bram Moolenaar <bram@vim.org> parents: 4559 diff changeset	7491 prog->nsubexp = regnpar;
4772 03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	7492
4845 a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	7493 nfa_postprocess(prog);
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	7494
4772 03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	7495 prog->reganch = nfa_get_reganch(prog->start, 0);
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	7496 prog->regstart = nfa_get_regstart(prog->start, 0);
4805 66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	7497 prog->match_text = nfa_get_match_text(prog->start);
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	7498
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7499 #ifdef ENABLE_LOG
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7500 nfa_postfix_dump(expr, OK);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7501 nfa_dump(prog);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7502 #endif
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	7503 #ifdef FEAT_SYN_HL
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	7504 // Remember whether this pattern has any \z specials in it.
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	7505 prog->reghasz = re_has_z;
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	7506 #endif
4805 66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	7507 prog->pattern = vim_strsave(expr);
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	7508 #ifdef DEBUG
4690 9d97a0c045ef updated for version 7.3.1092 Bram Moolenaar <bram@vim.org> parents: 4688 diff changeset	7509 nfa_regengine.expr = NULL;
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	7510 #endif
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7511
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7512 out:
13244 ac42c4b11dbc patch 8.0.1496: clearing a pointer takes two lines Christian Brabandt <cb@256bit.org> parents: 13208 diff changeset	7513 VIM_CLEAR(post_start);
ac42c4b11dbc patch 8.0.1496: clearing a pointer takes two lines Christian Brabandt <cb@256bit.org> parents: 13208 diff changeset	7514 post_ptr = post_end = NULL;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7515 state_ptr = NULL;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7516 return (regprog_T *)prog;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7517
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7518 fail:
13244 ac42c4b11dbc patch 8.0.1496: clearing a pointer takes two lines Christian Brabandt <cb@256bit.org> parents: 13208 diff changeset	7519 VIM_CLEAR(prog);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7520 #ifdef ENABLE_LOG
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7521 nfa_postfix_dump(expr, FAIL);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7522 #endif
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	7523 #ifdef DEBUG
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7524 nfa_regengine.expr = NULL;
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	7525 #endif
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7526 goto out;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7527 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7528
4805 66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	7529 /*
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	7530 * Free a compiled regexp program, returned by nfa_regcomp().
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	7531 */
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	7532 static void
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	7533 nfa_regfree(regprog_T *prog)
4805 66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	7534 {
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	7535 if (prog != NULL)
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	7536 {
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	7537 vim_free(((nfa_regprog_T *)prog)->match_text);
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	7538 vim_free(((nfa_regprog_T *)prog)->pattern);
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	7539 vim_free(prog);
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	7540 }
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	7541 }
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7542
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7543 /*
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7544 * Match a regexp against a string.
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7545 * "rmp->regprog" is a compiled regexp as returned by nfa_regcomp().
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7546 * Uses curbuf for line count and 'iskeyword'.
5838 0ea551fa607d updated for version 7.4.262 Bram Moolenaar <bram@vim.org> parents: 5820 diff changeset	7547 * If "line_lbr" is TRUE consider a "\n" in "line" to be a line break.
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7548 *
6392 2bb019eb60ca updated for version 7.4.527 Bram Moolenaar <bram@vim.org> parents: 6328 diff changeset	7549 * Returns <= 0 for failure, number of lines contained in the match otherwise.
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7550 */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7551 static int
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	7552 nfa_regexec_nl(
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	7553 regmatch_T *rmp,
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	7554 char_u *line, // string to match against
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	7555 colnr_T col, // column to start looking for match
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	7556 int line_lbr)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7557 {
10245 d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10170 diff changeset	7558 rex.reg_match = rmp;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10170 diff changeset	7559 rex.reg_mmatch = NULL;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10170 diff changeset	7560 rex.reg_maxline = 0;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10170 diff changeset	7561 rex.reg_line_lbr = line_lbr;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10170 diff changeset	7562 rex.reg_buf = curbuf;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10170 diff changeset	7563 rex.reg_win = NULL;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10170 diff changeset	7564 rex.reg_ic = rmp->rm_ic;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10170 diff changeset	7565 rex.reg_icombine = FALSE;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10170 diff changeset	7566 rex.reg_maxcol = 0;
29071 b90bca860b5a patch 8.2.5057: using gettimeofday() for timeout is very inefficient Bram Moolenaar <Bram@vim.org> parents: 29028 diff changeset	7567 return nfa_regexec_both(line, col, NULL);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7568 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7569
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7570
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7571 /*
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7572 * Match a regexp against multiple lines.
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7573 * "rmp->regprog" is a compiled regexp as returned by vim_regcomp().
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7574 * Uses curbuf for line count and 'iskeyword'.
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7575 *
6392 2bb019eb60ca updated for version 7.4.527 Bram Moolenaar <bram@vim.org> parents: 6328 diff changeset	7576 * Return <= 0 if there is no match. Return number of lines contained in the
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7577 * match otherwise.
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7578 *
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7579 * Note: the body is the same as bt_regexec() except for nfa_regexec_both()
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7580 *
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7581 * ! Also NOTE : match may actually be in another line. e.g.:
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7582 * when r.e. is \nc, cursor is at 'a' and the text buffer looks like
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7583 *
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7584 * +-------------------------+
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7585 * \|a \|
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7586 * \|b \|
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7587 * \|c \|
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7588 * \| \|
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7589 * +-------------------------+
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7590 *
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7591 * then nfa_regexec_multi() returns 3. while the original
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7592 * vim_regexec_multi() returns 0 and a second call at line 2 will return 2.
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7593 *
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7594 * FIXME if this behavior is not compatible.
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7595 */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7596 static long
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	7597 nfa_regexec_multi(
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	7598 regmmatch_T *rmp,
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	7599 win_T *win, // window in which to search or NULL
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	7600 buf_T *buf, // buffer in which to search
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	7601 linenr_T lnum, // nr of line to start looking for match
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	7602 colnr_T col, // column to start looking for match
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	7603 int *timed_out) // flag set on timeout or NULL
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7604 {
19405 08f4dc2ba716 patch 8.2.0260: several lines of code are duplicated Bram Moolenaar <Bram@vim.org> parents: 18945 diff changeset	7605 init_regexec_multi(rmp, win, buf, lnum);
29071 b90bca860b5a patch 8.2.5057: using gettimeofday() for timeout is very inefficient Bram Moolenaar <Bram@vim.org> parents: 29028 diff changeset	7606 return nfa_regexec_both(NULL, col, timed_out);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7607 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7608
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7609 #ifdef DEBUG
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7610 # undef ENABLE_LOG
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7611 #endif

Mercurial > vim

annotate src/regexp_nfa.c @ 29247:5f314b2ed494 v8.2.5142