vim: src/regexp_nfa.c annotate

annotate src/regexp_nfa.c @ 19253:a8d2d3c8f0b3 v8.2.0185

patch 8.2.0185: Vim9 script: cannot use "if has()" to skip lines Commit: https://github.com/vim/vim/commit/a259d8d30bc289764925fc42db1dbe774f0bb3f8 Author: Bram Moolenaar <Bram@vim.org> Date: Fri Jan 31 20:10:50 2020 +0100 patch 8.2.0185: Vim9 script: cannot use "if has()" to skip lines Problem: Vim9 script: cannot use "if has()" to skip lines. Solution: Evaluate constant expression at runtime.

author	Bram Moolenaar <Bram@vim.org>
date	Fri, 31 Jan 2020 20:15:05 +0100
parents	c62d63d2b9f0
children	08f4dc2ba716

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!
1be43c095aff updated for version 7.3.1013 Bram Moolenaar <bram@vim.org> parents: 4529 diff changeset	21 * Do disable all of this when compiling Vim for debugging, undefine DEBUG in
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
5511 dd7d1a86b311 updated for version 7.4.104 Bram Moolenaar <bram@vim.org> parents: 5502 diff changeset	246 static char_u e_nul_found[] = N_("E865: (NFA) Regexp end encountered prematurely");
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	247 static char_u e_misplaced[] = N_("E866: (NFA regexp) Misplaced %c");
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	248 static char_u e_ill_char_class[] = N_("E877: (NFA regexp) Invalid character class: %d");
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	249
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	250 // 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	251 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	252 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	253 static int *post_end;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	254 static int *post_ptr;
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	255 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	256 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	257
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	258 // 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	259 static save_se_T *nfa_endp = NULL;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	260
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	261 // 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	262 static int nfa_ll_index = 0;
ec72bb4a0fc2 updated for version 7.3.1106 Bram Moolenaar <bram@vim.org> parents: 4716 diff changeset	263
7805 0b6c37dd858d commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077 Christian Brabandt <cb@256bit.org> parents: 7258 diff changeset	264 static int realloc_post_list(void);
0b6c37dd858d commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077 Christian Brabandt <cb@256bit.org> parents: 7258 diff changeset	265 static int nfa_reg(int paren);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	266 #ifdef DEBUG
7805 0b6c37dd858d commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077 Christian Brabandt <cb@256bit.org> parents: 7258 diff changeset	267 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	268 #endif
7805 0b6c37dd858d commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077 Christian Brabandt <cb@256bit.org> parents: 7258 diff changeset	269 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	270 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	271
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	272 // helper functions used when doing re2post() ... regatom() parsing
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	273 #define EMIT(c) do { \
4651 f10f63aaec5c updated for version 7.3.1073 Bram Moolenaar <bram@vim.org> parents: 4649 diff changeset	274 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	275 return FAIL; \
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	276 *post_ptr++ = c; \
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	277 } while (0)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	278
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	279 /*
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	280 * Initialize internal variables before NFA compilation.
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	281 * Return OK on success, FAIL otherwise.
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	282 */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	283 static int
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	284 nfa_regcomp_start(
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	285 char_u *expr,
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	286 int re_flags) // see vim_regcomp()
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	287 {
4458 21e13403140a updated for version 7.3.977 Bram Moolenaar <bram@vim.org> parents: 4456 diff changeset	288 size_t postfix_size;
4555 b2946c06d1b6 updated for version 7.3.1025 Bram Moolenaar <bram@vim.org> parents: 4553 diff changeset	289 int nstate_max;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	290
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	291 nstate = 0;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	292 istate = 0;
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	293 // A reasonable estimation for maximum size
4673 05d57d7c2d55 updated for version 7.3.1084 Bram Moolenaar <bram@vim.org> parents: 4671 diff changeset	294 nstate_max = (int)(STRLEN(expr) + 1) * 25;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	295
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	296 // 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	297 // 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	298 nstate_max += 1000;
4454 44b89b025cdf updated for version 7.3.975 Bram Moolenaar <bram@vim.org> parents: 4450 diff changeset	299
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	300 // Size for postfix representation of expr.
4651 f10f63aaec5c updated for version 7.3.1073 Bram Moolenaar <bram@vim.org> parents: 4649 diff changeset	301 postfix_size = sizeof(int) * nstate_max;
4454 44b89b025cdf updated for version 7.3.975 Bram Moolenaar <bram@vim.org> parents: 4450 diff changeset	302
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	303 post_start = alloc(postfix_size);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	304 if (post_start == NULL)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	305 return FAIL;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	306 post_ptr = post_start;
4454 44b89b025cdf updated for version 7.3.975 Bram Moolenaar <bram@vim.org> parents: 4450 diff changeset	307 post_end = post_start + nstate_max;
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	308 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	309 rex.nfa_has_backref = FALSE;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	310
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	311 // shared with BT engine
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	312 regcomp_start(expr, re_flags);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	313
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	314 return OK;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	315 }
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 /*
4772 03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	318 * 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	319 * of the line.
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	320 */
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	321 static int
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	322 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	323 {
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	324 nfa_state_T *p = start;
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	325
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	326 if (depth > 4)
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	327 return 0;
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 while (p != NULL)
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	330 {
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	331 switch (p->c)
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	332 {
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	333 case NFA_BOL:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	334 case NFA_BOF:
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	335 return 1; // yes!
4772 03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	336
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	337 case NFA_ZSTART:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	338 case NFA_ZEND:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	339 case NFA_CURSOR:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	340 case NFA_VISUAL:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	341
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	342 case NFA_MOPEN:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	343 case NFA_MOPEN1:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	344 case NFA_MOPEN2:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	345 case NFA_MOPEN3:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	346 case NFA_MOPEN4:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	347 case NFA_MOPEN5:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	348 case NFA_MOPEN6:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	349 case NFA_MOPEN7:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	350 case NFA_MOPEN8:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	351 case NFA_MOPEN9:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	352 case NFA_NOPEN:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	353 #ifdef FEAT_SYN_HL
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	354 case NFA_ZOPEN:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	355 case NFA_ZOPEN1:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	356 case NFA_ZOPEN2:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	357 case NFA_ZOPEN3:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	358 case NFA_ZOPEN4:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	359 case NFA_ZOPEN5:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	360 case NFA_ZOPEN6:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	361 case NFA_ZOPEN7:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	362 case NFA_ZOPEN8:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	363 case NFA_ZOPEN9:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	364 #endif
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	365 p = p->out;
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	366 break;
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	367
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	368 case NFA_SPLIT:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	369 return nfa_get_reganch(p->out, depth + 1)
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	370 && nfa_get_reganch(p->out1, depth + 1);
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	371
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	372 default:
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	373 return 0; // noooo
4772 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 }
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	376 return 0;
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 /*
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	380 * 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	381 * at start of the match.
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 static int
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	384 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	385 {
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	386 nfa_state_T *p = start;
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	387
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	388 if (depth > 4)
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	389 return 0;
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 while (p != NULL)
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	392 {
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	393 switch (p->c)
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	394 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	395 // all kinds of zero-width matches
4772 03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	396 case NFA_BOL:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	397 case NFA_BOF:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	398 case NFA_BOW:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	399 case NFA_EOW:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	400 case NFA_ZSTART:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	401 case NFA_ZEND:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	402 case NFA_CURSOR:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	403 case NFA_VISUAL:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	404 case NFA_LNUM:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	405 case NFA_LNUM_GT:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	406 case NFA_LNUM_LT:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	407 case NFA_COL:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	408 case NFA_COL_GT:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	409 case NFA_COL_LT:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	410 case NFA_VCOL:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	411 case NFA_VCOL_GT:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	412 case NFA_VCOL_LT:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	413 case NFA_MARK:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	414 case NFA_MARK_GT:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	415 case NFA_MARK_LT:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	416
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	417 case NFA_MOPEN:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	418 case NFA_MOPEN1:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	419 case NFA_MOPEN2:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	420 case NFA_MOPEN3:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	421 case NFA_MOPEN4:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	422 case NFA_MOPEN5:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	423 case NFA_MOPEN6:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	424 case NFA_MOPEN7:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	425 case NFA_MOPEN8:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	426 case NFA_MOPEN9:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	427 case NFA_NOPEN:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	428 #ifdef FEAT_SYN_HL
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	429 case NFA_ZOPEN:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	430 case NFA_ZOPEN1:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	431 case NFA_ZOPEN2:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	432 case NFA_ZOPEN3:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	433 case NFA_ZOPEN4:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	434 case NFA_ZOPEN5:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	435 case NFA_ZOPEN6:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	436 case NFA_ZOPEN7:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	437 case NFA_ZOPEN8:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	438 case NFA_ZOPEN9:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	439 #endif
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	440 p = p->out;
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	441 break;
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	442
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	443 case NFA_SPLIT:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	444 {
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	445 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	446 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	447
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	448 if (c1 == c2)
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	449 return c1; // yes!
4772 03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	450 return 0;
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	451 }
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	452
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	453 default:
4785 3b5a023a4543 updated for version 7.3.1139 Bram Moolenaar <bram@vim.org> parents: 4783 diff changeset	454 if (p->c > 0)
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	455 return p->c; // yes!
4772 03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	456 return 0;
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	457 }
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	458 }
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 /*
4805 66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	463 * 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	464 * 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	465 * regstart. Otherwise return NULL.
4805 66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	466 */
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	467 static char_u *
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	468 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	469 {
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	470 nfa_state_T *p = start;
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	471 int len = 0;
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	472 char_u *ret;
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	473 char_u *s;
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	474
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	475 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	476 return NULL; // just in case
4805 66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	477 p = p->out;
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	478 while (p->c > 0)
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	479 {
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	480 len += MB_CHAR2LEN(p->c);
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	481 p = p->out;
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 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	484 return NULL;
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 ret = alloc(len);
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	487 if (ret != NULL)
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	488 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	489 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	490 s = ret;
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	491 while (p->c > 0)
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	492 {
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	493 if (has_mbyte)
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	494 s += (*mb_char2bytes)(p->c, s);
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	495 else
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	496 *s++ = p->c;
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	497 p = p->out;
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	498 }
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	499 *s = NUL;
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	500 }
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	501 return ret;
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	502 }
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 /*
4651 f10f63aaec5c updated for version 7.3.1073 Bram Moolenaar <bram@vim.org> parents: 4649 diff changeset	505 * Allocate more space for post_start. Called when
f10f63aaec5c updated for version 7.3.1073 Bram Moolenaar <bram@vim.org> parents: 4649 diff changeset	506 * running above the estimated number of states.
f10f63aaec5c updated for version 7.3.1073 Bram Moolenaar <bram@vim.org> parents: 4649 diff changeset	507 */
f10f63aaec5c updated for version 7.3.1073 Bram Moolenaar <bram@vim.org> parents: 4649 diff changeset	508 static int
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	509 realloc_post_list(void)
4651 f10f63aaec5c updated for version 7.3.1073 Bram Moolenaar <bram@vim.org> parents: 4649 diff changeset	510 {
4667 9e7ef781d494 updated for version 7.3.1081 Bram Moolenaar <bram@vim.org> parents: 4661 diff changeset	511 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	512 int new_max;
4651 f10f63aaec5c updated for version 7.3.1073 Bram Moolenaar <bram@vim.org> parents: 4649 diff changeset	513 int *new_start;
f10f63aaec5c updated for version 7.3.1073 Bram Moolenaar <bram@vim.org> parents: 4649 diff changeset	514 int *old_start;
f10f63aaec5c updated for version 7.3.1073 Bram Moolenaar <bram@vim.org> parents: 4649 diff changeset	515
15904 fec4416adb80 patch 8.1.0958: compiling weird regexp pattern is very slow Bram Moolenaar <Bram@vim.org> parents: 15876 diff changeset	516 // 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	517 // 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	518 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	519 new_start = ALLOC_MULT(int, new_max);
4651 f10f63aaec5c updated for version 7.3.1073 Bram Moolenaar <bram@vim.org> parents: 4649 diff changeset	520 if (new_start == NULL)
f10f63aaec5c updated for version 7.3.1073 Bram Moolenaar <bram@vim.org> parents: 4649 diff changeset	521 return FAIL;
f10f63aaec5c updated for version 7.3.1073 Bram Moolenaar <bram@vim.org> parents: 4649 diff changeset	522 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	523 old_start = post_start;
f10f63aaec5c updated for version 7.3.1073 Bram Moolenaar <bram@vim.org> parents: 4649 diff changeset	524 post_start = new_start;
f10f63aaec5c updated for version 7.3.1073 Bram Moolenaar <bram@vim.org> parents: 4649 diff changeset	525 post_ptr = new_start + (post_ptr - old_start);
f10f63aaec5c updated for version 7.3.1073 Bram Moolenaar <bram@vim.org> parents: 4649 diff changeset	526 post_end = post_start + new_max;
f10f63aaec5c updated for version 7.3.1073 Bram Moolenaar <bram@vim.org> parents: 4649 diff changeset	527 vim_free(old_start);
f10f63aaec5c updated for version 7.3.1073 Bram Moolenaar <bram@vim.org> parents: 4649 diff changeset	528 return OK;
f10f63aaec5c updated for version 7.3.1073 Bram Moolenaar <bram@vim.org> parents: 4649 diff changeset	529 }
f10f63aaec5c updated for version 7.3.1073 Bram Moolenaar <bram@vim.org> parents: 4649 diff changeset	530
f10f63aaec5c updated for version 7.3.1073 Bram Moolenaar <bram@vim.org> parents: 4649 diff changeset	531 /*
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	532 * 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	533 * character class in expanded form. For example [0-9].
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	534 * 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	535 * On failure, return 0 (=FAIL)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	536 * 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	537 * to the closing brace.
5296 3e9107b86b68 updated for version 7.4.001 Bram Moolenaar <bram@vim.org> parents: 5255 diff changeset	538 * 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	539 * need to be interpreted as [a-zA-Z].
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	540 */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	541 static int
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	542 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	543 {
4728 43de4ebbe7ad updated for version 7.3.1111 Bram Moolenaar <bram@vim.org> parents: 4726 diff changeset	544 # define CLASS_not 0x80
43de4ebbe7ad updated for version 7.3.1111 Bram Moolenaar <bram@vim.org> parents: 4726 diff changeset	545 # define CLASS_af 0x40
43de4ebbe7ad updated for version 7.3.1111 Bram Moolenaar <bram@vim.org> parents: 4726 diff changeset	546 # define CLASS_AF 0x20
43de4ebbe7ad updated for version 7.3.1111 Bram Moolenaar <bram@vim.org> parents: 4726 diff changeset	547 # define CLASS_az 0x10
43de4ebbe7ad updated for version 7.3.1111 Bram Moolenaar <bram@vim.org> parents: 4726 diff changeset	548 # define CLASS_AZ 0x08
43de4ebbe7ad updated for version 7.3.1111 Bram Moolenaar <bram@vim.org> parents: 4726 diff changeset	549 # define CLASS_o7 0x04
43de4ebbe7ad updated for version 7.3.1111 Bram Moolenaar <bram@vim.org> parents: 4726 diff changeset	550 # define CLASS_o9 0x02
43de4ebbe7ad updated for version 7.3.1111 Bram Moolenaar <bram@vim.org> parents: 4726 diff changeset	551 # define CLASS_underscore 0x01
43de4ebbe7ad updated for version 7.3.1111 Bram Moolenaar <bram@vim.org> parents: 4726 diff changeset	552
43de4ebbe7ad updated for version 7.3.1111 Bram Moolenaar <bram@vim.org> parents: 4726 diff changeset	553 int newl = FALSE;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	554 char_u *p;
4728 43de4ebbe7ad updated for version 7.3.1111 Bram Moolenaar <bram@vim.org> parents: 4726 diff changeset	555 int config = 0;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	556
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	557 if (extra_newl == TRUE)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	558 newl = TRUE;
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 (*end != ']')
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	561 return FAIL;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	562 p = start;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	563 if (*p == '^')
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	564 {
4728 43de4ebbe7ad updated for version 7.3.1111 Bram Moolenaar <bram@vim.org> parents: 4726 diff changeset	565 config \|= CLASS_not;
4720 bd6bef0bd0fb updated for version 7.3.1107 Bram Moolenaar <bram@vim.org> parents: 4718 diff changeset	566 p++;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	567 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	568
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	569 while (p < end)
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 if (p + 2 < end && *(p + 1) == '-')
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	572 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	573 switch (*p)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	574 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	575 case '0':
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	576 if (*(p + 2) == '9')
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	577 {
4728 43de4ebbe7ad updated for version 7.3.1111 Bram Moolenaar <bram@vim.org> parents: 4726 diff changeset	578 config \|= CLASS_o9;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	579 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	580 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	581 if (*(p + 2) == '7')
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	582 {
4728 43de4ebbe7ad updated for version 7.3.1111 Bram Moolenaar <bram@vim.org> parents: 4726 diff changeset	583 config \|= CLASS_o7;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	584 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	585 }
11469 0ade9dd85156 patch 8.0.0618: NFA regex engine handles [0-z] incorrectly Christian Brabandt <cb@256bit.org> parents: 11269 diff changeset	586 return FAIL;
0ade9dd85156 patch 8.0.0618: NFA regex engine handles [0-z] incorrectly Christian Brabandt <cb@256bit.org> parents: 11269 diff changeset	587
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	588 case 'a':
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	589 if (*(p + 2) == 'z')
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	590 {
4728 43de4ebbe7ad updated for version 7.3.1111 Bram Moolenaar <bram@vim.org> parents: 4726 diff changeset	591 config \|= CLASS_az;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	592 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	593 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	594 if (*(p + 2) == 'f')
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	595 {
4728 43de4ebbe7ad updated for version 7.3.1111 Bram Moolenaar <bram@vim.org> parents: 4726 diff changeset	596 config \|= CLASS_af;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	597 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	598 }
11469 0ade9dd85156 patch 8.0.0618: NFA regex engine handles [0-z] incorrectly Christian Brabandt <cb@256bit.org> parents: 11269 diff changeset	599 return FAIL;
0ade9dd85156 patch 8.0.0618: NFA regex engine handles [0-z] incorrectly Christian Brabandt <cb@256bit.org> parents: 11269 diff changeset	600
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	601 case 'A':
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	602 if (*(p + 2) == 'Z')
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	603 {
4728 43de4ebbe7ad updated for version 7.3.1111 Bram Moolenaar <bram@vim.org> parents: 4726 diff changeset	604 config \|= CLASS_AZ;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	605 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	606 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	607 if (*(p + 2) == 'F')
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	608 {
4728 43de4ebbe7ad updated for version 7.3.1111 Bram Moolenaar <bram@vim.org> parents: 4726 diff changeset	609 config \|= CLASS_AF;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	610 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	611 }
11469 0ade9dd85156 patch 8.0.0618: NFA regex engine handles [0-z] incorrectly Christian Brabandt <cb@256bit.org> parents: 11269 diff changeset	612 return FAIL;
0ade9dd85156 patch 8.0.0618: NFA regex engine handles [0-z] incorrectly Christian Brabandt <cb@256bit.org> parents: 11269 diff changeset	613
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	614 default:
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	615 return FAIL;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	616 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	617 p += 3;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	618 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	619 else if (p + 1 < end && p == '\\' && (p + 1) == 'n')
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	620 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	621 newl = TRUE;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	622 p += 2;
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 else if (*p == '_')
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	625 {
4728 43de4ebbe7ad updated for version 7.3.1111 Bram Moolenaar <bram@vim.org> parents: 4726 diff changeset	626 config \|= CLASS_underscore;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	627 p ++;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	628 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	629 else if (*p == '\n')
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	630 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	631 newl = TRUE;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	632 p ++;
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 else
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	635 return FAIL;
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	636 } // while (p < end)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	637
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	638 if (p != end)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	639 return FAIL;
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 (newl == TRUE)
5296 3e9107b86b68 updated for version 7.4.001 Bram Moolenaar <bram@vim.org> parents: 5255 diff changeset	642 extra_newl = NFA_ADD_NL;
4728 43de4ebbe7ad updated for version 7.3.1111 Bram Moolenaar <bram@vim.org> parents: 4726 diff changeset	643
43de4ebbe7ad updated for version 7.3.1111 Bram Moolenaar <bram@vim.org> parents: 4726 diff changeset	644 switch (config)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	645 {
4728 43de4ebbe7ad updated for version 7.3.1111 Bram Moolenaar <bram@vim.org> parents: 4726 diff changeset	646 case CLASS_o9:
43de4ebbe7ad updated for version 7.3.1111 Bram Moolenaar <bram@vim.org> parents: 4726 diff changeset	647 return extra_newl + NFA_DIGIT;
43de4ebbe7ad updated for version 7.3.1111 Bram Moolenaar <bram@vim.org> parents: 4726 diff changeset	648 case CLASS_not \| CLASS_o9:
43de4ebbe7ad updated for version 7.3.1111 Bram Moolenaar <bram@vim.org> parents: 4726 diff changeset	649 return extra_newl + NFA_NDIGIT;
43de4ebbe7ad updated for version 7.3.1111 Bram Moolenaar <bram@vim.org> parents: 4726 diff changeset	650 case CLASS_af \| CLASS_AF \| CLASS_o9:
43de4ebbe7ad updated for version 7.3.1111 Bram Moolenaar <bram@vim.org> parents: 4726 diff changeset	651 return extra_newl + NFA_HEX;
43de4ebbe7ad updated for version 7.3.1111 Bram Moolenaar <bram@vim.org> parents: 4726 diff changeset	652 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	653 return extra_newl + NFA_NHEX;
43de4ebbe7ad updated for version 7.3.1111 Bram Moolenaar <bram@vim.org> parents: 4726 diff changeset	654 case CLASS_o7:
43de4ebbe7ad updated for version 7.3.1111 Bram Moolenaar <bram@vim.org> parents: 4726 diff changeset	655 return extra_newl + NFA_OCTAL;
43de4ebbe7ad updated for version 7.3.1111 Bram Moolenaar <bram@vim.org> parents: 4726 diff changeset	656 case CLASS_not \| CLASS_o7:
43de4ebbe7ad updated for version 7.3.1111 Bram Moolenaar <bram@vim.org> parents: 4726 diff changeset	657 return extra_newl + NFA_NOCTAL;
43de4ebbe7ad updated for version 7.3.1111 Bram Moolenaar <bram@vim.org> parents: 4726 diff changeset	658 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	659 return extra_newl + NFA_WORD;
43de4ebbe7ad updated for version 7.3.1111 Bram Moolenaar <bram@vim.org> parents: 4726 diff changeset	660 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	661 return extra_newl + NFA_NWORD;
43de4ebbe7ad updated for version 7.3.1111 Bram Moolenaar <bram@vim.org> parents: 4726 diff changeset	662 case CLASS_az \| CLASS_AZ \| CLASS_underscore:
43de4ebbe7ad updated for version 7.3.1111 Bram Moolenaar <bram@vim.org> parents: 4726 diff changeset	663 return extra_newl + NFA_HEAD;
43de4ebbe7ad updated for version 7.3.1111 Bram Moolenaar <bram@vim.org> parents: 4726 diff changeset	664 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	665 return extra_newl + NFA_NHEAD;
43de4ebbe7ad updated for version 7.3.1111 Bram Moolenaar <bram@vim.org> parents: 4726 diff changeset	666 case CLASS_az \| CLASS_AZ:
43de4ebbe7ad updated for version 7.3.1111 Bram Moolenaar <bram@vim.org> parents: 4726 diff changeset	667 return extra_newl + NFA_ALPHA;
43de4ebbe7ad updated for version 7.3.1111 Bram Moolenaar <bram@vim.org> parents: 4726 diff changeset	668 case CLASS_not \| CLASS_az \| CLASS_AZ:
43de4ebbe7ad updated for version 7.3.1111 Bram Moolenaar <bram@vim.org> parents: 4726 diff changeset	669 return extra_newl + NFA_NALPHA;
43de4ebbe7ad updated for version 7.3.1111 Bram Moolenaar <bram@vim.org> parents: 4726 diff changeset	670 case CLASS_az:
5296 3e9107b86b68 updated for version 7.4.001 Bram Moolenaar <bram@vim.org> parents: 5255 diff changeset	671 return extra_newl + NFA_LOWER_IC;
4728 43de4ebbe7ad updated for version 7.3.1111 Bram Moolenaar <bram@vim.org> parents: 4726 diff changeset	672 case CLASS_not \| CLASS_az:
5296 3e9107b86b68 updated for version 7.4.001 Bram Moolenaar <bram@vim.org> parents: 5255 diff changeset	673 return extra_newl + NFA_NLOWER_IC;
4728 43de4ebbe7ad updated for version 7.3.1111 Bram Moolenaar <bram@vim.org> parents: 4726 diff changeset	674 case CLASS_AZ:
5296 3e9107b86b68 updated for version 7.4.001 Bram Moolenaar <bram@vim.org> parents: 5255 diff changeset	675 return extra_newl + NFA_UPPER_IC;
4728 43de4ebbe7ad updated for version 7.3.1111 Bram Moolenaar <bram@vim.org> parents: 4726 diff changeset	676 case CLASS_not \| CLASS_AZ:
5296 3e9107b86b68 updated for version 7.4.001 Bram Moolenaar <bram@vim.org> parents: 5255 diff changeset	677 return extra_newl + NFA_NUPPER_IC;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	678 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	679 return FAIL;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	680 }
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 /*
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	683 * Produce the bytes for equivalence class "c".
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	684 * Currently only handles latin1, latin9 and utf-8.
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	685 * 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	686 * equivalent to 'a OR b OR c'
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	687 *
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	688 * 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	689 */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	690 static int
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	691 nfa_emit_equi_class(int c)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	692 {
5351 923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	693 #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	694 #define EMITMBC(c) EMIT(c); EMIT(NFA_CONCAT);
639b8318472c patch 8.1.0809: too many #ifdefs Bram Moolenaar <Bram@vim.org> parents: 15490 diff changeset	695
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	696 if (enc_utf8 \|\| STRCMP(p_enc, "latin1") == 0
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	697 \|\| STRCMP(p_enc, "iso-8859-15") == 0)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	698 {
8841 f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	699 #ifdef EBCDIC
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	700 # define A_circumflex 0x62
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	701 # define A_diaeresis 0x63
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	702 # define A_grave 0x64
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	703 # define A_acute 0x65
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	704 # define A_virguilla 0x66
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	705 # define A_ring 0x67
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	706 # define C_cedilla 0x68
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	707 # define E_acute 0x71
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	708 # define E_circumflex 0x72
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	709 # define E_diaeresis 0x73
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	710 # define E_grave 0x74
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	711 # define I_acute 0x75
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	712 # define I_circumflex 0x76
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	713 # define I_diaeresis 0x77
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	714 # define I_grave 0x78
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	715 # define N_virguilla 0x69
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	716 # define O_circumflex 0xeb
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	717 # define O_diaeresis 0xec
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	718 # define O_grave 0xed
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	719 # define O_acute 0xee
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	720 # define O_virguilla 0xef
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	721 # define O_slash 0x80
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	722 # define U_circumflex 0xfb
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	723 # define U_diaeresis 0xfc
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	724 # define U_grave 0xfd
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	725 # define U_acute 0xfe
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	726 # define Y_acute 0xba
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	727 # define a_grave 0x42
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	728 # define a_acute 0x43
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	729 # define a_circumflex 0x44
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	730 # define a_virguilla 0x45
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	731 # define a_diaeresis 0x46
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	732 # define a_ring 0x47
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	733 # define c_cedilla 0x48
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	734 # define e_grave 0x51
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	735 # define e_acute 0x52
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	736 # define e_circumflex 0x53
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	737 # define e_diaeresis 0x54
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	738 # define i_grave 0x55
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	739 # define i_acute 0x56
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	740 # define i_circumflex 0x57
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	741 # define i_diaeresis 0x58
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	742 # define n_virguilla 0x49
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	743 # define o_grave 0xcb
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	744 # define o_acute 0xcc
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	745 # define o_circumflex 0xcd
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	746 # define o_virguilla 0xce
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	747 # define o_diaeresis 0xcf
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	748 # define o_slash 0x70
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	749 # define u_grave 0xdb
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	750 # define u_acute 0xdc
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	751 # define u_circumflex 0xdd
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	752 # define u_diaeresis 0xde
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	753 # define y_acute 0x8d
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	754 # define y_diaeresis 0xdf
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	755 #else
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	756 # define A_grave 0xc0
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	757 # define A_acute 0xc1
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	758 # define A_circumflex 0xc2
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	759 # define A_virguilla 0xc3
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	760 # define A_diaeresis 0xc4
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	761 # define A_ring 0xc5
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	762 # define C_cedilla 0xc7
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	763 # define E_grave 0xc8
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	764 # define E_acute 0xc9
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	765 # define E_circumflex 0xca
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	766 # define E_diaeresis 0xcb
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	767 # define I_grave 0xcc
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	768 # define I_acute 0xcd
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	769 # define I_circumflex 0xce
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	770 # define I_diaeresis 0xcf
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	771 # define N_virguilla 0xd1
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	772 # define O_grave 0xd2
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	773 # define O_acute 0xd3
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	774 # define O_circumflex 0xd4
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	775 # define O_virguilla 0xd5
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	776 # define O_diaeresis 0xd6
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	777 # define O_slash 0xd8
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	778 # define U_grave 0xd9
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	779 # define U_acute 0xda
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	780 # define U_circumflex 0xdb
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	781 # define U_diaeresis 0xdc
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	782 # define Y_acute 0xdd
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	783 # define a_grave 0xe0
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	784 # define a_acute 0xe1
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	785 # define a_circumflex 0xe2
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	786 # define a_virguilla 0xe3
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	787 # define a_diaeresis 0xe4
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	788 # define a_ring 0xe5
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	789 # define c_cedilla 0xe7
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	790 # define e_grave 0xe8
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	791 # define e_acute 0xe9
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	792 # define e_circumflex 0xea
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	793 # define e_diaeresis 0xeb
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	794 # define i_grave 0xec
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	795 # define i_acute 0xed
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	796 # define i_circumflex 0xee
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	797 # define i_diaeresis 0xef
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	798 # define n_virguilla 0xf1
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	799 # define o_grave 0xf2
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	800 # define o_acute 0xf3
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	801 # define o_circumflex 0xf4
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	802 # define o_virguilla 0xf5
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	803 # define o_diaeresis 0xf6
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	804 # define o_slash 0xf8
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	805 # define u_grave 0xf9
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	806 # define u_acute 0xfa
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	807 # define u_circumflex 0xfb
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	808 # define u_diaeresis 0xfc
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	809 # define y_acute 0xfd
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	810 # define y_diaeresis 0xff
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	811 #endif
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	812 switch (c)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	813 {
8841 f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	814 case 'A': case A_grave: case A_acute: case A_circumflex:
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	815 case A_virguilla: case A_diaeresis: case A_ring:
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	816 CASEMBC(0x100) CASEMBC(0x102) CASEMBC(0x104)
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	817 CASEMBC(0x1cd) CASEMBC(0x1de) CASEMBC(0x1e0)
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	818 CASEMBC(0x1ea2)
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	819 EMIT2('A'); EMIT2(A_grave); EMIT2(A_acute);
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	820 EMIT2(A_circumflex); EMIT2(A_virguilla);
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	821 EMIT2(A_diaeresis); EMIT2(A_ring);
5351 923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	822 EMITMBC(0x100) EMITMBC(0x102) EMITMBC(0x104)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	823 EMITMBC(0x1cd) EMITMBC(0x1de) EMITMBC(0x1e0)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	824 EMITMBC(0x1ea2)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	825 return OK;
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	826
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	827 case 'B': CASEMBC(0x1e02) CASEMBC(0x1e06)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	828 EMIT2('B'); EMITMBC(0x1e02) EMITMBC(0x1e06)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	829 return OK;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	830
8841 f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	831 case 'C': case C_cedilla: CASEMBC(0x106) CASEMBC(0x108)
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	832 CASEMBC(0x10a) CASEMBC(0x10c)
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	833 EMIT2('C'); EMIT2(C_cedilla);
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	834 EMITMBC(0x106) EMITMBC(0x108)
5351 923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	835 EMITMBC(0x10a) EMITMBC(0x10c)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	836 return OK;
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	837
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	838 case 'D': CASEMBC(0x10e) CASEMBC(0x110) CASEMBC(0x1e0a)
8841 f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	839 CASEMBC(0x1e0e) CASEMBC(0x1e10)
5351 923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	840 EMIT2('D'); EMITMBC(0x10e) EMITMBC(0x110) EMITMBC(0x1e0a)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	841 EMITMBC(0x1e0e) EMITMBC(0x1e10)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	842 return OK;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	843
8841 f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	844 case 'E': case E_grave: case E_acute: case E_circumflex:
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	845 case E_diaeresis: CASEMBC(0x112) CASEMBC(0x114)
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	846 CASEMBC(0x116) CASEMBC(0x118) CASEMBC(0x11a)
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	847 CASEMBC(0x1eba) CASEMBC(0x1ebc)
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	848 EMIT2('E'); EMIT2(E_grave); EMIT2(E_acute);
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	849 EMIT2(E_circumflex); EMIT2(E_diaeresis);
5351 923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	850 EMITMBC(0x112) EMITMBC(0x114) EMITMBC(0x116)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	851 EMITMBC(0x118) EMITMBC(0x11a) EMITMBC(0x1eba)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	852 EMITMBC(0x1ebc)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	853 return OK;
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	854
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	855 case 'F': CASEMBC(0x1e1e)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	856 EMIT2('F'); EMITMBC(0x1e1e)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	857 return OK;
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	858
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	859 case 'G': CASEMBC(0x11c) CASEMBC(0x11e) CASEMBC(0x120)
8841 f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	860 CASEMBC(0x122) CASEMBC(0x1e4) CASEMBC(0x1e6)
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	861 CASEMBC(0x1f4) CASEMBC(0x1e20)
5351 923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	862 EMIT2('G'); EMITMBC(0x11c) EMITMBC(0x11e) EMITMBC(0x120)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	863 EMITMBC(0x122) EMITMBC(0x1e4) EMITMBC(0x1e6)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	864 EMITMBC(0x1f4) EMITMBC(0x1e20)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	865 return OK;
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	866
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	867 case 'H': CASEMBC(0x124) CASEMBC(0x126) CASEMBC(0x1e22)
8841 f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	868 CASEMBC(0x1e26) CASEMBC(0x1e28)
5351 923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	869 EMIT2('H'); EMITMBC(0x124) EMITMBC(0x126) EMITMBC(0x1e22)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	870 EMITMBC(0x1e26) EMITMBC(0x1e28)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	871 return OK;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	872
8841 f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	873 case 'I': case I_grave: case I_acute: case I_circumflex:
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	874 case I_diaeresis: CASEMBC(0x128) CASEMBC(0x12a)
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	875 CASEMBC(0x12c) CASEMBC(0x12e) CASEMBC(0x130)
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	876 CASEMBC(0x1cf) CASEMBC(0x1ec8)
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	877 EMIT2('I'); EMIT2(I_grave); EMIT2(I_acute);
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	878 EMIT2(I_circumflex); EMIT2(I_diaeresis);
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	879 EMITMBC(0x128) EMITMBC(0x12a)
5351 923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	880 EMITMBC(0x12c) EMITMBC(0x12e) EMITMBC(0x130)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	881 EMITMBC(0x1cf) EMITMBC(0x1ec8)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	882 return OK;
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	883
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	884 case 'J': CASEMBC(0x134)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	885 EMIT2('J'); EMITMBC(0x134)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	886 return OK;
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	887
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	888 case 'K': CASEMBC(0x136) CASEMBC(0x1e8) CASEMBC(0x1e30)
8841 f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	889 CASEMBC(0x1e34)
5351 923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	890 EMIT2('K'); EMITMBC(0x136) EMITMBC(0x1e8) EMITMBC(0x1e30)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	891 EMITMBC(0x1e34)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	892 return OK;
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	893
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	894 case 'L': CASEMBC(0x139) CASEMBC(0x13b) CASEMBC(0x13d)
8841 f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	895 CASEMBC(0x13f) CASEMBC(0x141) CASEMBC(0x1e3a)
5351 923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	896 EMIT2('L'); EMITMBC(0x139) EMITMBC(0x13b) EMITMBC(0x13d)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	897 EMITMBC(0x13f) EMITMBC(0x141) EMITMBC(0x1e3a)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	898 return OK;
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	899
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	900 case 'M': CASEMBC(0x1e3e) CASEMBC(0x1e40)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	901 EMIT2('M'); EMITMBC(0x1e3e) EMITMBC(0x1e40)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	902 return OK;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	903
8841 f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	904 case 'N': case N_virguilla: CASEMBC(0x143) CASEMBC(0x145)
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	905 CASEMBC(0x147) CASEMBC(0x1e44) CASEMBC(0x1e48)
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	906 EMIT2('N'); EMIT2(N_virguilla);
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	907 EMITMBC(0x143) EMITMBC(0x145)
5351 923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	908 EMITMBC(0x147) EMITMBC(0x1e44) EMITMBC(0x1e48)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	909 return OK;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	910
8841 f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	911 case 'O': case O_grave: case O_acute: case O_circumflex:
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	912 case O_virguilla: case O_diaeresis: case O_slash:
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	913 CASEMBC(0x14c) CASEMBC(0x14e) CASEMBC(0x150)
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	914 CASEMBC(0x1a0) CASEMBC(0x1d1) CASEMBC(0x1ea)
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	915 CASEMBC(0x1ec) CASEMBC(0x1ece)
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	916 EMIT2('O'); EMIT2(O_grave); EMIT2(O_acute);
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	917 EMIT2(O_circumflex); EMIT2(O_virguilla);
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	918 EMIT2(O_diaeresis); EMIT2(O_slash);
5351 923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	919 EMITMBC(0x14c) EMITMBC(0x14e) EMITMBC(0x150)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	920 EMITMBC(0x1a0) EMITMBC(0x1d1) EMITMBC(0x1ea)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	921 EMITMBC(0x1ec) EMITMBC(0x1ece)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	922 return OK;
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	923
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	924 case 'P': case 0x1e54: case 0x1e56:
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	925 EMIT2('P'); EMITMBC(0x1e54) EMITMBC(0x1e56)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	926 return OK;
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	927
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	928 case 'R': CASEMBC(0x154) CASEMBC(0x156) CASEMBC(0x158)
8841 f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	929 CASEMBC(0x1e58) CASEMBC(0x1e5e)
5351 923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	930 EMIT2('R'); EMITMBC(0x154) EMITMBC(0x156) EMITMBC(0x158)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	931 EMITMBC(0x1e58) EMITMBC(0x1e5e)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	932 return OK;
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	933
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	934 case 'S': CASEMBC(0x15a) CASEMBC(0x15c) CASEMBC(0x15e)
8841 f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	935 CASEMBC(0x160) CASEMBC(0x1e60)
5351 923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	936 EMIT2('S'); EMITMBC(0x15a) EMITMBC(0x15c) EMITMBC(0x15e)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	937 EMITMBC(0x160) EMITMBC(0x1e60)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	938 return OK;
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	939
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	940 case 'T': CASEMBC(0x162) CASEMBC(0x164) CASEMBC(0x166)
8841 f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	941 CASEMBC(0x1e6a) CASEMBC(0x1e6e)
5351 923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	942 EMIT2('T'); EMITMBC(0x162) EMITMBC(0x164) EMITMBC(0x166)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	943 EMITMBC(0x1e6a) EMITMBC(0x1e6e)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	944 return OK;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	945
8841 f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	946 case 'U': case U_grave: case U_acute: case U_diaeresis:
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	947 case U_circumflex: CASEMBC(0x168) CASEMBC(0x16a)
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	948 CASEMBC(0x16c) CASEMBC(0x16e) CASEMBC(0x170)
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	949 CASEMBC(0x172) CASEMBC(0x1af) CASEMBC(0x1d3)
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	950 CASEMBC(0x1ee6)
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	951 EMIT2('U'); EMIT2(U_grave); EMIT2(U_acute);
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	952 EMIT2(U_diaeresis); EMIT2(U_circumflex);
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	953 EMITMBC(0x168) EMITMBC(0x16a)
5351 923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	954 EMITMBC(0x16c) EMITMBC(0x16e) EMITMBC(0x170)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	955 EMITMBC(0x172) EMITMBC(0x1af) EMITMBC(0x1d3)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	956 EMITMBC(0x1ee6)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	957 return OK;
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	958
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	959 case 'V': CASEMBC(0x1e7c)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	960 EMIT2('V'); EMITMBC(0x1e7c)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	961 return OK;
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	962
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	963 case 'W': CASEMBC(0x174) CASEMBC(0x1e80) CASEMBC(0x1e82)
8841 f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	964 CASEMBC(0x1e84) CASEMBC(0x1e86)
5351 923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	965 EMIT2('W'); EMITMBC(0x174) EMITMBC(0x1e80) EMITMBC(0x1e82)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	966 EMITMBC(0x1e84) EMITMBC(0x1e86)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	967 return OK;
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	968
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	969 case 'X': CASEMBC(0x1e8a) CASEMBC(0x1e8c)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	970 EMIT2('X'); EMITMBC(0x1e8a) EMITMBC(0x1e8c)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	971 return OK;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	972
8841 f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	973 case 'Y': case Y_acute: CASEMBC(0x176) CASEMBC(0x178)
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	974 CASEMBC(0x1e8e) CASEMBC(0x1ef2) CASEMBC(0x1ef6)
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	975 CASEMBC(0x1ef8)
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	976 EMIT2('Y'); EMIT2(Y_acute);
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	977 EMITMBC(0x176) EMITMBC(0x178)
5351 923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	978 EMITMBC(0x1e8e) EMITMBC(0x1ef2) EMITMBC(0x1ef6)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	979 EMITMBC(0x1ef8)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	980 return OK;
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	981
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	982 case 'Z': CASEMBC(0x179) CASEMBC(0x17b) CASEMBC(0x17d)
8841 f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	983 CASEMBC(0x1b5) CASEMBC(0x1e90) CASEMBC(0x1e94)
5351 923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	984 EMIT2('Z'); EMITMBC(0x179) EMITMBC(0x17b) EMITMBC(0x17d)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	985 EMITMBC(0x1b5) EMITMBC(0x1e90) EMITMBC(0x1e94)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	986 return OK;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	987
8841 f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	988 case 'a': case a_grave: case a_acute: case a_circumflex:
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	989 case a_virguilla: case a_diaeresis: case a_ring:
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	990 CASEMBC(0x101) CASEMBC(0x103) CASEMBC(0x105)
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	991 CASEMBC(0x1ce) CASEMBC(0x1df) CASEMBC(0x1e1)
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	992 CASEMBC(0x1ea3)
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	993 EMIT2('a'); EMIT2(a_grave); EMIT2(a_acute);
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	994 EMIT2(a_circumflex); EMIT2(a_virguilla);
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	995 EMIT2(a_diaeresis); EMIT2(a_ring);
5351 923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	996 EMITMBC(0x101) EMITMBC(0x103) EMITMBC(0x105)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	997 EMITMBC(0x1ce) EMITMBC(0x1df) EMITMBC(0x1e1)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	998 EMITMBC(0x1ea3)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	999 return OK;
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1000
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1001 case 'b': CASEMBC(0x1e03) CASEMBC(0x1e07)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1002 EMIT2('b'); EMITMBC(0x1e03) EMITMBC(0x1e07)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1003 return OK;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1004
8841 f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	1005 case 'c': case c_cedilla: CASEMBC(0x107) CASEMBC(0x109)
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	1006 CASEMBC(0x10b) CASEMBC(0x10d)
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	1007 EMIT2('c'); EMIT2(c_cedilla);
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	1008 EMITMBC(0x107) EMITMBC(0x109)
5351 923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1009 EMITMBC(0x10b) EMITMBC(0x10d)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1010 return OK;
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1011
6914 94b179585851 patch 7.4.776 Bram Moolenaar <bram@vim.org> parents: 6787 diff changeset	1012 case 'd': CASEMBC(0x10f) CASEMBC(0x111) CASEMBC(0x1e0b)
8841 f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	1013 CASEMBC(0x1e0f) CASEMBC(0x1e11)
6914 94b179585851 patch 7.4.776 Bram Moolenaar <bram@vim.org> parents: 6787 diff changeset	1014 EMIT2('d'); EMITMBC(0x10f) EMITMBC(0x111)
94b179585851 patch 7.4.776 Bram Moolenaar <bram@vim.org> parents: 6787 diff changeset	1015 EMITMBC(0x1e0b) EMITMBC(0x1e0f) EMITMBC(0x1e11)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1016 return OK;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1017
8841 f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	1018 case 'e': case e_grave: case e_acute: case e_circumflex:
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	1019 case e_diaeresis: CASEMBC(0x113) CASEMBC(0x115)
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	1020 CASEMBC(0x117) CASEMBC(0x119) CASEMBC(0x11b)
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	1021 CASEMBC(0x1ebb) CASEMBC(0x1ebd)
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	1022 EMIT2('e'); EMIT2(e_grave); EMIT2(e_acute);
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	1023 EMIT2(e_circumflex); EMIT2(e_diaeresis);
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	1024 EMITMBC(0x113) EMITMBC(0x115)
5351 923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1025 EMITMBC(0x117) EMITMBC(0x119) EMITMBC(0x11b)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1026 EMITMBC(0x1ebb) EMITMBC(0x1ebd)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1027 return OK;
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1028
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1029 case 'f': CASEMBC(0x1e1f)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1030 EMIT2('f'); EMITMBC(0x1e1f)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1031 return OK;
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1032
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1033 case 'g': CASEMBC(0x11d) CASEMBC(0x11f) CASEMBC(0x121)
8841 f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	1034 CASEMBC(0x123) CASEMBC(0x1e5) CASEMBC(0x1e7)
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	1035 CASEMBC(0x1f5) CASEMBC(0x1e21)
5351 923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1036 EMIT2('g'); EMITMBC(0x11d) EMITMBC(0x11f) EMITMBC(0x121)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1037 EMITMBC(0x123) EMITMBC(0x1e5) EMITMBC(0x1e7)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1038 EMITMBC(0x1f5) EMITMBC(0x1e21)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1039 return OK;
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1040
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1041 case 'h': CASEMBC(0x125) CASEMBC(0x127) CASEMBC(0x1e23)
8841 f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	1042 CASEMBC(0x1e27) CASEMBC(0x1e29) CASEMBC(0x1e96)
5351 923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1043 EMIT2('h'); EMITMBC(0x125) EMITMBC(0x127) EMITMBC(0x1e23)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1044 EMITMBC(0x1e27) EMITMBC(0x1e29) EMITMBC(0x1e96)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1045 return OK;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1046
8841 f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	1047 case 'i': case i_grave: case i_acute: case i_circumflex:
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	1048 case i_diaeresis: CASEMBC(0x129) CASEMBC(0x12b)
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	1049 CASEMBC(0x12d) CASEMBC(0x12f) CASEMBC(0x1d0)
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	1050 CASEMBC(0x1ec9)
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	1051 EMIT2('i'); EMIT2(i_grave); EMIT2(i_acute);
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	1052 EMIT2(i_circumflex); EMIT2(i_diaeresis);
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	1053 EMITMBC(0x129) EMITMBC(0x12b)
5351 923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1054 EMITMBC(0x12d) EMITMBC(0x12f) EMITMBC(0x1d0)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1055 EMITMBC(0x1ec9)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1056 return OK;
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1057
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1058 case 'j': CASEMBC(0x135) CASEMBC(0x1f0)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1059 EMIT2('j'); EMITMBC(0x135) EMITMBC(0x1f0)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1060 return OK;
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1061
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1062 case 'k': CASEMBC(0x137) CASEMBC(0x1e9) CASEMBC(0x1e31)
8841 f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	1063 CASEMBC(0x1e35)
5351 923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1064 EMIT2('k'); EMITMBC(0x137) EMITMBC(0x1e9) EMITMBC(0x1e31)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1065 EMITMBC(0x1e35)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1066 return OK;
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1067
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1068 case 'l': CASEMBC(0x13a) CASEMBC(0x13c) CASEMBC(0x13e)
8841 f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	1069 CASEMBC(0x140) CASEMBC(0x142) CASEMBC(0x1e3b)
5351 923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1070 EMIT2('l'); EMITMBC(0x13a) EMITMBC(0x13c) EMITMBC(0x13e)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1071 EMITMBC(0x140) EMITMBC(0x142) EMITMBC(0x1e3b)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1072 return OK;
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1073
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1074 case 'm': CASEMBC(0x1e3f) CASEMBC(0x1e41)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1075 EMIT2('m'); EMITMBC(0x1e3f) EMITMBC(0x1e41)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1076 return OK;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1077
8841 f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	1078 case 'n': case n_virguilla: CASEMBC(0x144) CASEMBC(0x146)
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	1079 CASEMBC(0x148) CASEMBC(0x149) CASEMBC(0x1e45)
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	1080 CASEMBC(0x1e49)
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	1081 EMIT2('n'); EMIT2(n_virguilla);
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	1082 EMITMBC(0x144) EMITMBC(0x146)
5351 923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1083 EMITMBC(0x148) EMITMBC(0x149) EMITMBC(0x1e45)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1084 EMITMBC(0x1e49)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1085 return OK;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1086
8841 f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	1087 case 'o': case o_grave: case o_acute: case o_circumflex:
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	1088 case o_virguilla: case o_diaeresis: case o_slash:
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	1089 CASEMBC(0x14d) CASEMBC(0x14f) CASEMBC(0x151)
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	1090 CASEMBC(0x1a1) CASEMBC(0x1d2) CASEMBC(0x1eb)
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	1091 CASEMBC(0x1ed) CASEMBC(0x1ecf)
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	1092 EMIT2('o'); EMIT2(o_grave); EMIT2(o_acute);
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	1093 EMIT2(o_circumflex); EMIT2(o_virguilla);
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	1094 EMIT2(o_diaeresis); EMIT2(o_slash);
5351 923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1095 EMITMBC(0x14d) EMITMBC(0x14f) EMITMBC(0x151)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1096 EMITMBC(0x1a1) EMITMBC(0x1d2) EMITMBC(0x1eb)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1097 EMITMBC(0x1ed) EMITMBC(0x1ecf)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1098 return OK;
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1099
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1100 case 'p': CASEMBC(0x1e55) CASEMBC(0x1e57)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1101 EMIT2('p'); EMITMBC(0x1e55) EMITMBC(0x1e57)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1102 return OK;
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1103
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1104 case 'r': CASEMBC(0x155) CASEMBC(0x157) CASEMBC(0x159)
8841 f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	1105 CASEMBC(0x1e59) CASEMBC(0x1e5f)
5351 923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1106 EMIT2('r'); EMITMBC(0x155) EMITMBC(0x157) EMITMBC(0x159)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1107 EMITMBC(0x1e59) EMITMBC(0x1e5f)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1108 return OK;
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1109
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1110 case 's': CASEMBC(0x15b) CASEMBC(0x15d) CASEMBC(0x15f)
8841 f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	1111 CASEMBC(0x161) CASEMBC(0x1e61)
5351 923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1112 EMIT2('s'); EMITMBC(0x15b) EMITMBC(0x15d) EMITMBC(0x15f)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1113 EMITMBC(0x161) EMITMBC(0x1e61)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1114 return OK;
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1115
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1116 case 't': CASEMBC(0x163) CASEMBC(0x165) CASEMBC(0x167)
8841 f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	1117 CASEMBC(0x1e6b) CASEMBC(0x1e6f) CASEMBC(0x1e97)
5351 923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1118 EMIT2('t'); EMITMBC(0x163) EMITMBC(0x165) EMITMBC(0x167)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1119 EMITMBC(0x1e6b) EMITMBC(0x1e6f) EMITMBC(0x1e97)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1120 return OK;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1121
8841 f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	1122 case 'u': case u_grave: case u_acute: case u_circumflex:
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	1123 case u_diaeresis: CASEMBC(0x169) CASEMBC(0x16b)
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	1124 CASEMBC(0x16d) CASEMBC(0x16f) CASEMBC(0x171)
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	1125 CASEMBC(0x173) CASEMBC(0x1b0) CASEMBC(0x1d4)
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	1126 CASEMBC(0x1ee7)
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	1127 EMIT2('u'); EMIT2(u_grave); EMIT2(u_acute);
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	1128 EMIT2(u_circumflex); EMIT2(u_diaeresis);
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	1129 EMITMBC(0x169) EMITMBC(0x16b)
5351 923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1130 EMITMBC(0x16d) EMITMBC(0x16f) EMITMBC(0x171)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1131 EMITMBC(0x173) EMITMBC(0x1b0) EMITMBC(0x1d4)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1132 EMITMBC(0x1ee7)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1133 return OK;
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1134
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1135 case 'v': CASEMBC(0x1e7d)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1136 EMIT2('v'); EMITMBC(0x1e7d)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1137 return OK;
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1138
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1139 case 'w': CASEMBC(0x175) CASEMBC(0x1e81) CASEMBC(0x1e83)
8841 f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	1140 CASEMBC(0x1e85) CASEMBC(0x1e87) CASEMBC(0x1e98)
5351 923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1141 EMIT2('w'); EMITMBC(0x175) EMITMBC(0x1e81) EMITMBC(0x1e83)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1142 EMITMBC(0x1e85) EMITMBC(0x1e87) EMITMBC(0x1e98)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1143 return OK;
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1144
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1145 case 'x': CASEMBC(0x1e8b) CASEMBC(0x1e8d)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1146 EMIT2('x'); EMITMBC(0x1e8b) EMITMBC(0x1e8d)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1147 return OK;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1148
8841 f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	1149 case 'y': case y_acute: case y_diaeresis: CASEMBC(0x177)
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	1150 CASEMBC(0x1e8f) CASEMBC(0x1e99) CASEMBC(0x1ef3)
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	1151 CASEMBC(0x1ef7) CASEMBC(0x1ef9)
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	1152 EMIT2('y'); EMIT2(y_acute); EMIT2(y_diaeresis);
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	1153 EMITMBC(0x177)
5351 923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1154 EMITMBC(0x1e8f) EMITMBC(0x1e99) EMITMBC(0x1ef3)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1155 EMITMBC(0x1ef7) EMITMBC(0x1ef9)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1156 return OK;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1157
5351 923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1158 case 'z': CASEMBC(0x17a) CASEMBC(0x17c) CASEMBC(0x17e)
8841 f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	1159 CASEMBC(0x1b6) CASEMBC(0x1e91) CASEMBC(0x1e95)
5351 923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1160 EMIT2('z'); EMITMBC(0x17a) EMITMBC(0x17c) EMITMBC(0x17e)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1161 EMITMBC(0x1b6) EMITMBC(0x1e91) EMITMBC(0x1e95)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1162 return OK;
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1163
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1164 // default: character itself
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1165 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1166 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1167
5351 923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1168 EMIT2(c);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1169 return OK;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1170 #undef EMIT2
5351 923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1171 #undef EMITMBC
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1172 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1173
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1174 /*
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1175 * Code to parse regular expression.
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1176 *
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1177 * 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	1178 * minimize surprise and keep the syntax consistent.
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1179 */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1180
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1181 /*
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1182 * Parse the lowest level.
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1183 *
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1184 * 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	1185 * 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	1186 * 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	1187 * is only for syntax highlighting.
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1188 *
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1189 * atom ::= ordinary-atom
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1190 * or $ pattern $
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1191 * or \%( pattern \)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1192 * or \z( pattern \)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1193 */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1194 static int
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	1195 nfa_regatom(void)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1196 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1197 int c;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1198 int charclass;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1199 int equiclass;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1200 int collclass;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1201 int got_coll_char;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1202 char_u *p;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1203 char_u *endp;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1204 char_u *old_regparse = regparse;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1205 int extra = 0;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1206 int emit_range;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1207 int negated;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1208 int result;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1209 int startc = -1;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1210 int endc = -1;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1211 int oldstartc = -1;
8021 b6b4f354df23 commit https://github.com/vim/vim/commit/7c29f387819b5817b003d2ba73e2b5cf3cb3d0dd Christian Brabandt <cb@256bit.org> parents: 7833 diff changeset	1212 int save_prev_at_start = prev_at_start;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1213
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1214 c = getchr();
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1215 switch (c)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1216 {
4543 08ac46980953 updated for version 7.3.1019 Bram Moolenaar <bram@vim.org> parents: 4541 diff changeset	1217 case NUL:
5511 dd7d1a86b311 updated for version 7.4.104 Bram Moolenaar <bram@vim.org> parents: 5502 diff changeset	1218 EMSG_RET_FAIL(_(e_nul_found));
4543 08ac46980953 updated for version 7.3.1019 Bram Moolenaar <bram@vim.org> parents: 4541 diff changeset	1219
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1220 case Magic('^'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1221 EMIT(NFA_BOL);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1222 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1223
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1224 case Magic('$'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1225 EMIT(NFA_EOL);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1226 #if defined(FEAT_SYN_HL) \|\| defined(PROTO)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1227 had_eol = TRUE;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1228 #endif
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1229 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1230
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1231 case Magic('<'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1232 EMIT(NFA_BOW);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1233 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1234
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1235 case Magic('>'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1236 EMIT(NFA_EOW);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1237 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1238
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1239 case Magic('_'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1240 c = no_Magic(getchr());
5511 dd7d1a86b311 updated for version 7.4.104 Bram Moolenaar <bram@vim.org> parents: 5502 diff changeset	1241 if (c == NUL)
dd7d1a86b311 updated for version 7.4.104 Bram Moolenaar <bram@vim.org> parents: 5502 diff changeset	1242 EMSG_RET_FAIL(_(e_nul_found));
dd7d1a86b311 updated for version 7.4.104 Bram Moolenaar <bram@vim.org> parents: 5502 diff changeset	1243
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1244 if (c == '^') // "\_^" is start-of-line
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1245 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1246 EMIT(NFA_BOL);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1247 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1248 }
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1249 if (c == '$') // "\_$" is end-of-line
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1250 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1251 EMIT(NFA_EOL);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1252 #if defined(FEAT_SYN_HL) \|\| defined(PROTO)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1253 had_eol = TRUE;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1254 #endif
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1255 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1256 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1257
5296 3e9107b86b68 updated for version 7.4.001 Bram Moolenaar <bram@vim.org> parents: 5255 diff changeset	1258 extra = NFA_ADD_NL;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1259
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1260 // "\_[" is collection plus newline
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1261 if (c == '[')
4517 9a2183bd8295 updated for version 7.3.1006 Bram Moolenaar <bram@vim.org> parents: 4515 diff changeset	1262 goto collection;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1263
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1264 // "\_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	1265 // FALLTHROUGH
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 * Character classes.
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1269 */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1270 case Magic('.'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1271 case Magic('i'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1272 case Magic('I'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1273 case Magic('k'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1274 case Magic('K'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1275 case Magic('f'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1276 case Magic('F'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1277 case Magic('p'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1278 case Magic('P'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1279 case Magic('s'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1280 case Magic('S'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1281 case Magic('d'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1282 case Magic('D'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1283 case Magic('x'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1284 case Magic('X'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1285 case Magic('o'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1286 case Magic('O'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1287 case Magic('w'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1288 case Magic('W'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1289 case Magic('h'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1290 case Magic('H'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1291 case Magic('a'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1292 case Magic('A'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1293 case Magic('l'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1294 case Magic('L'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1295 case Magic('u'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1296 case Magic('U'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1297 p = vim_strchr(classchars, no_Magic(c));
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1298 if (p == NULL)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1299 {
5511 dd7d1a86b311 updated for version 7.4.104 Bram Moolenaar <bram@vim.org> parents: 5502 diff changeset	1300 if (extra == NFA_ADD_NL)
dd7d1a86b311 updated for version 7.4.104 Bram Moolenaar <bram@vim.org> parents: 5502 diff changeset	1301 {
15470 55ccc2d353bd patch 8.1.0743: giving error messages is not flexible Bram Moolenaar <Bram@vim.org> parents: 15265 diff changeset	1302 semsg(_(e_ill_char_class), c);
5511 dd7d1a86b311 updated for version 7.4.104 Bram Moolenaar <bram@vim.org> parents: 5502 diff changeset	1303 rc_did_emsg = TRUE;
dd7d1a86b311 updated for version 7.4.104 Bram Moolenaar <bram@vim.org> parents: 5502 diff changeset	1304 return FAIL;
dd7d1a86b311 updated for version 7.4.104 Bram Moolenaar <bram@vim.org> parents: 5502 diff changeset	1305 }
15490 98c35d312987 patch 8.1.0753: printf format not checked for semsg() Bram Moolenaar <Bram@vim.org> parents: 15470 diff changeset	1306 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	1307 return FAIL;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1308 }
15603 639b8318472c patch 8.1.0809: too many #ifdefs Bram Moolenaar <Bram@vim.org> parents: 15490 diff changeset	1309
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1310 // 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	1311 // the composing char is matched here.
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1312 if (enc_utf8 && c == Magic('.') && utf_iscomposing(peekchr()))
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1313 {
4535 45f97c349537 updated for version 7.3.1015 Bram Moolenaar <bram@vim.org> parents: 4533 diff changeset	1314 old_regparse = regparse;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1315 c = getchr();
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1316 goto nfa_do_multibyte;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1317 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1318 EMIT(nfa_classcodes[p - classchars]);
5296 3e9107b86b68 updated for version 7.4.001 Bram Moolenaar <bram@vim.org> parents: 5255 diff changeset	1319 if (extra == NFA_ADD_NL)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1320 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1321 EMIT(NFA_NEWL);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1322 EMIT(NFA_OR);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1323 regflags \|= RF_HASNL;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1324 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1325 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1326
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1327 case Magic('n'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1328 if (reg_string)
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1329 // 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	1330 EMIT(NL);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1331 else
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1332 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1333 // 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	1334 EMIT(NFA_NEWL);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1335 regflags \|= RF_HASNL;
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 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1338
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1339 case Magic('('):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1340 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	1341 return FAIL; // cascaded error
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1342 break;
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 case Magic('\|'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1345 case Magic('&'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1346 case Magic(')'):
15470 55ccc2d353bd patch 8.1.0743: giving error messages is not flexible Bram Moolenaar <Bram@vim.org> parents: 15265 diff changeset	1347 semsg(_(e_misplaced), no_Magic(c));
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1348 return FAIL;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1349
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1350 case Magic('='):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1351 case Magic('?'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1352 case Magic('+'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1353 case Magic('@'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1354 case Magic('*'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1355 case Magic('{'):
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1356 // these should follow an atom, not form an atom
15470 55ccc2d353bd patch 8.1.0743: giving error messages is not flexible Bram Moolenaar <Bram@vim.org> parents: 15265 diff changeset	1357 semsg(_(e_misplaced), no_Magic(c));
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1358 return FAIL;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1359
4714 fc4d7f02ea3a updated for version 7.3.1104 Bram Moolenaar <bram@vim.org> parents: 4712 diff changeset	1360 case Magic('~'):
fc4d7f02ea3a updated for version 7.3.1104 Bram Moolenaar <bram@vim.org> parents: 4712 diff changeset	1361 {
fc4d7f02ea3a updated for version 7.3.1104 Bram Moolenaar <bram@vim.org> parents: 4712 diff changeset	1362 char_u *lp;
fc4d7f02ea3a updated for version 7.3.1104 Bram Moolenaar <bram@vim.org> parents: 4712 diff changeset	1363
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1364 // Previous substitute pattern.
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1365 // Generated as "\%(pattern\)".
4714 fc4d7f02ea3a updated for version 7.3.1104 Bram Moolenaar <bram@vim.org> parents: 4712 diff changeset	1366 if (reg_prev_sub == NULL)
fc4d7f02ea3a updated for version 7.3.1104 Bram Moolenaar <bram@vim.org> parents: 4712 diff changeset	1367 {
15470 55ccc2d353bd patch 8.1.0743: giving error messages is not flexible Bram Moolenaar <Bram@vim.org> parents: 15265 diff changeset	1368 emsg(_(e_nopresub));
4714 fc4d7f02ea3a updated for version 7.3.1104 Bram Moolenaar <bram@vim.org> parents: 4712 diff changeset	1369 return FAIL;
fc4d7f02ea3a updated for version 7.3.1104 Bram Moolenaar <bram@vim.org> parents: 4712 diff changeset	1370 }
11127 506f5d8b7d8b patch 8.0.0451: some macros are in lower case Christian Brabandt <cb@256bit.org> parents: 10551 diff changeset	1371 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	1372 {
fc4d7f02ea3a updated for version 7.3.1104 Bram Moolenaar <bram@vim.org> parents: 4712 diff changeset	1373 EMIT(PTR2CHAR(lp));
fc4d7f02ea3a updated for version 7.3.1104 Bram Moolenaar <bram@vim.org> parents: 4712 diff changeset	1374 if (lp != reg_prev_sub)
fc4d7f02ea3a updated for version 7.3.1104 Bram Moolenaar <bram@vim.org> parents: 4712 diff changeset	1375 EMIT(NFA_CONCAT);
fc4d7f02ea3a updated for version 7.3.1104 Bram Moolenaar <bram@vim.org> parents: 4712 diff changeset	1376 }
fc4d7f02ea3a updated for version 7.3.1104 Bram Moolenaar <bram@vim.org> parents: 4712 diff changeset	1377 EMIT(NFA_NOPEN);
fc4d7f02ea3a updated for version 7.3.1104 Bram Moolenaar <bram@vim.org> parents: 4712 diff changeset	1378 break;
fc4d7f02ea3a updated for version 7.3.1104 Bram Moolenaar <bram@vim.org> parents: 4712 diff changeset	1379 }
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1380
4647 857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	1381 case Magic('1'):
857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	1382 case Magic('2'):
857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	1383 case Magic('3'):
857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	1384 case Magic('4'):
857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	1385 case Magic('5'):
857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	1386 case Magic('6'):
857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	1387 case Magic('7'):
857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	1388 case Magic('8'):
857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	1389 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	1390 {
14b6b79d685b patch 8.0.0645: no error for illegal back reference in NFA engine Christian Brabandt <cb@256bit.org> parents: 11521 diff changeset	1391 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	1392
14b6b79d685b patch 8.0.0645: no error for illegal back reference in NFA engine Christian Brabandt <cb@256bit.org> parents: 11521 diff changeset	1393 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	1394 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	1395 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	1396 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	1397 }
4647 857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	1398 break;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1399
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1400 case Magic('z'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1401 c = no_Magic(getchr());
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1402 switch (c)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1403 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1404 case 's':
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1405 EMIT(NFA_ZSTART);
6170 3ee39fe2df7d updated for version 7.4.421 Bram Moolenaar <bram@vim.org> parents: 5901 diff changeset	1406 if (re_mult_next("\\zs") == FAIL)
3ee39fe2df7d updated for version 7.4.421 Bram Moolenaar <bram@vim.org> parents: 5901 diff changeset	1407 return FAIL;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1408 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1409 case 'e':
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1410 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	1411 rex.nfa_has_zend = TRUE;
6170 3ee39fe2df7d updated for version 7.4.421 Bram Moolenaar <bram@vim.org> parents: 5901 diff changeset	1412 if (re_mult_next("\\ze") == FAIL)
3ee39fe2df7d updated for version 7.4.421 Bram Moolenaar <bram@vim.org> parents: 5901 diff changeset	1413 return FAIL;
4569 f262fb02889d updated for version 7.3.1032 Bram Moolenaar <bram@vim.org> parents: 4567 diff changeset	1414 break;
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	1415 #ifdef FEAT_SYN_HL
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1416 case '1':
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1417 case '2':
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1418 case '3':
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1419 case '4':
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1420 case '5':
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1421 case '6':
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1422 case '7':
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1423 case '8':
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1424 case '9':
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1425 // \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	1426 if ((reg_do_extmatch & REX_USE) == 0)
4688 371cc0c44097 updated for version 7.3.1091 Bram Moolenaar <bram@vim.org> parents: 4686 diff changeset	1427 EMSG_RET_FAIL(_(e_z1_not_allowed));
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	1428 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	1429 // 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	1430 // change when \z1 .. \z9 matches or not.
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	1431 re_has_z = REX_USE;
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	1432 break;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1433 case '(':
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1434 // \z(
14161 7cac4646c552 patch 8.1.0098: segfault when pattern with z() is very slow Christian Brabandt <cb@256bit.org> parents: 14159 diff changeset	1435 if ((reg_do_extmatch & REX_SET) == 0)
4688 371cc0c44097 updated for version 7.3.1091 Bram Moolenaar <bram@vim.org> parents: 4686 diff changeset	1436 EMSG_RET_FAIL(_(e_z_not_allowed));
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	1437 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	1438 return FAIL; // cascaded error
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	1439 re_has_z = REX_SET;
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	1440 break;
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	1441 #endif
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1442 default:
15470 55ccc2d353bd patch 8.1.0743: giving error messages is not flexible Bram Moolenaar <Bram@vim.org> parents: 15265 diff changeset	1443 semsg(_("E867: (NFA) Unknown operator '\\z%c'"),
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1444 no_Magic(c));
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1445 return FAIL;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1446 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1447 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1448
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 c = no_Magic(getchr());
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1451 switch (c)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1452 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1453 // () without a back reference
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1454 case '(':
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1455 if (nfa_reg(REG_NPAREN) == FAIL)
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 EMIT(NFA_NOPEN);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1458 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1459
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1460 case 'd': // %d123 decimal
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1461 case 'o': // %o123 octal
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1462 case 'x': // %xab hex 2
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1463 case 'u': // %uabcd hex 4
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1464 case 'U': // %U1234abcd hex 8
4543 08ac46980953 updated for version 7.3.1019 Bram Moolenaar <bram@vim.org> parents: 4541 diff changeset	1465 {
12752 09c856605191 patch 8.0.1254: undefined left shift in gethexchrs() Christian Brabandt <cb@256bit.org> parents: 12674 diff changeset	1466 long nr;
4543 08ac46980953 updated for version 7.3.1019 Bram Moolenaar <bram@vim.org> parents: 4541 diff changeset	1467
08ac46980953 updated for version 7.3.1019 Bram Moolenaar <bram@vim.org> parents: 4541 diff changeset	1468 switch (c)
08ac46980953 updated for version 7.3.1019 Bram Moolenaar <bram@vim.org> parents: 4541 diff changeset	1469 {
4549 849180347ac3 updated for version 7.3.1022 Bram Moolenaar <bram@vim.org> parents: 4547 diff changeset	1470 case 'd': nr = getdecchrs(); break;
849180347ac3 updated for version 7.3.1022 Bram Moolenaar <bram@vim.org> parents: 4547 diff changeset	1471 case 'o': nr = getoctchrs(); break;
849180347ac3 updated for version 7.3.1022 Bram Moolenaar <bram@vim.org> parents: 4547 diff changeset	1472 case 'x': nr = gethexchrs(2); break;
849180347ac3 updated for version 7.3.1022 Bram Moolenaar <bram@vim.org> parents: 4547 diff changeset	1473 case 'u': nr = gethexchrs(4); break;
849180347ac3 updated for version 7.3.1022 Bram Moolenaar <bram@vim.org> parents: 4547 diff changeset	1474 case 'U': nr = gethexchrs(8); break;
849180347ac3 updated for version 7.3.1022 Bram Moolenaar <bram@vim.org> parents: 4547 diff changeset	1475 default: nr = -1; break;
4543 08ac46980953 updated for version 7.3.1019 Bram Moolenaar <bram@vim.org> parents: 4541 diff changeset	1476 }
08ac46980953 updated for version 7.3.1019 Bram Moolenaar <bram@vim.org> parents: 4541 diff changeset	1477
15924 98d315176d48 patch 8.1.0968: crash when using search pattern %Ufffffc23 Bram Moolenaar <Bram@vim.org> parents: 15904 diff changeset	1478 if (nr < 0 \|\| nr > INT_MAX)
4543 08ac46980953 updated for version 7.3.1019 Bram Moolenaar <bram@vim.org> parents: 4541 diff changeset	1479 EMSG2_RET_FAIL(
08ac46980953 updated for version 7.3.1019 Bram Moolenaar <bram@vim.org> parents: 4541 diff changeset	1480 _("E678: Invalid character after %s%%[dxouU]"),
08ac46980953 updated for version 7.3.1019 Bram Moolenaar <bram@vim.org> parents: 4541 diff changeset	1481 reg_magic == MAGIC_ALL);
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1482 // 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	1483 // TODO: what if a composing character follows?
5360 71e92a1cb37d updated for version 7.4.032 Bram Moolenaar <bram@vim.org> parents: 5351 diff changeset	1484 EMIT(nr == 0 ? 0x0a : nr);
4543 08ac46980953 updated for version 7.3.1019 Bram Moolenaar <bram@vim.org> parents: 4541 diff changeset	1485 }
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1486 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1487
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1488 // 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	1489 // 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	1490 case '^':
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1491 EMIT(NFA_BOF);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1492 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1493
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1494 case '$':
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1495 EMIT(NFA_EOF);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1496 break;
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 '#':
4583 321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	1499 EMIT(NFA_CURSOR);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1500 break;
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 'V':
4730 749e2b2755d5 updated for version 7.3.1112 Bram Moolenaar <bram@vim.org> parents: 4728 diff changeset	1503 EMIT(NFA_VISUAL);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1504 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1505
5901 10fc95f48546 updated for version 7.4.293 Bram Moolenaar <bram@vim.org> parents: 5895 diff changeset	1506 case 'C':
10fc95f48546 updated for version 7.4.293 Bram Moolenaar <bram@vim.org> parents: 5895 diff changeset	1507 EMIT(NFA_ANY_COMPOSING);
10fc95f48546 updated for version 7.4.293 Bram Moolenaar <bram@vim.org> parents: 5895 diff changeset	1508 break;
10fc95f48546 updated for version 7.4.293 Bram Moolenaar <bram@vim.org> parents: 5895 diff changeset	1509
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1510 case '[':
4740 97560c16ca99 updated for version 7.3.1117 Bram Moolenaar <bram@vim.org> parents: 4738 diff changeset	1511 {
97560c16ca99 updated for version 7.3.1117 Bram Moolenaar <bram@vim.org> parents: 4738 diff changeset	1512 int n;
97560c16ca99 updated for version 7.3.1117 Bram Moolenaar <bram@vim.org> parents: 4738 diff changeset	1513
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1514 // \%[abc]
4944 613651492c19 updated for version 7.3.1217 Bram Moolenaar <bram@vim.org> parents: 4938 diff changeset	1515 for (n = 0; (c = peekchr()) != ']'; ++n)
4740 97560c16ca99 updated for version 7.3.1117 Bram Moolenaar <bram@vim.org> parents: 4738 diff changeset	1516 {
97560c16ca99 updated for version 7.3.1117 Bram Moolenaar <bram@vim.org> parents: 4738 diff changeset	1517 if (c == NUL)
97560c16ca99 updated for version 7.3.1117 Bram Moolenaar <bram@vim.org> parents: 4738 diff changeset	1518 EMSG2_RET_FAIL(_(e_missing_sb),
97560c16ca99 updated for version 7.3.1117 Bram Moolenaar <bram@vim.org> parents: 4738 diff changeset	1519 reg_magic == MAGIC_ALL);
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1520 // recursive call!
4944 613651492c19 updated for version 7.3.1217 Bram Moolenaar <bram@vim.org> parents: 4938 diff changeset	1521 if (nfa_regatom() == FAIL)
613651492c19 updated for version 7.3.1217 Bram Moolenaar <bram@vim.org> parents: 4938 diff changeset	1522 return FAIL;
4740 97560c16ca99 updated for version 7.3.1117 Bram Moolenaar <bram@vim.org> parents: 4738 diff changeset	1523 }
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1524 getchr(); // get the ]
4760 532a9855bd30 updated for version 7.3.1127 Bram Moolenaar <bram@vim.org> parents: 4758 diff changeset	1525 if (n == 0)
532a9855bd30 updated for version 7.3.1127 Bram Moolenaar <bram@vim.org> parents: 4758 diff changeset	1526 EMSG2_RET_FAIL(_(e_empty_sb),
532a9855bd30 updated for version 7.3.1127 Bram Moolenaar <bram@vim.org> parents: 4758 diff changeset	1527 reg_magic == MAGIC_ALL);
4740 97560c16ca99 updated for version 7.3.1117 Bram Moolenaar <bram@vim.org> parents: 4738 diff changeset	1528 EMIT(NFA_OPT_CHARS);
97560c16ca99 updated for version 7.3.1117 Bram Moolenaar <bram@vim.org> parents: 4738 diff changeset	1529 EMIT(n);
5255 3c6e2b89875f updated for version 7.4b.004 Bram Moolenaar <bram@vim.org> parents: 5253 diff changeset	1530
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1531 // 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	1532 // "\%[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	1533 // 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	1534 // 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	1535 // 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	1536 // 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	1537 // a lot.
5255 3c6e2b89875f updated for version 7.4b.004 Bram Moolenaar <bram@vim.org> parents: 5253 diff changeset	1538 EMIT(NFA_NOPEN);
4740 97560c16ca99 updated for version 7.3.1117 Bram Moolenaar <bram@vim.org> parents: 4738 diff changeset	1539 break;
97560c16ca99 updated for version 7.3.1117 Bram Moolenaar <bram@vim.org> parents: 4738 diff changeset	1540 }
4571 b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	1541
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1542 default:
4583 321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	1543 {
13192 9bd4151e5aeb patch 8.0.1470: integer overflow when using regexp pattern Christian Brabandt <cb@256bit.org> parents: 13043 diff changeset	1544 long n = 0;
4583 321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	1545 int cmp = c;
321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	1546
321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	1547 if (c == '<' \|\| c == '>')
321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	1548 c = getchr();
321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	1549 while (VIM_ISDIGIT(c))
321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	1550 {
321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	1551 n = n * 10 + (c - '0');
321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	1552 c = getchr();
321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	1553 }
321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	1554 if (c == 'l' \|\| c == 'c' \|\| c == 'v')
321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	1555 {
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	1556 int limit = INT_MAX;
f043c8931585 patch 8.1.0908: can't handle large value for %{nr}v in regexp Bram Moolenaar <Bram@vim.org> parents: 15800 diff changeset	1557
4583 321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	1558 if (c == 'l')
8021 b6b4f354df23 commit https://github.com/vim/vim/commit/7c29f387819b5817b003d2ba73e2b5cf3cb3d0dd Christian Brabandt <cb@256bit.org> parents: 7833 diff changeset	1559 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1560 // \%{n}l \%{n}<l \%{n}>l
4583 321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	1561 EMIT(cmp == '<' ? NFA_LNUM_LT :
4732 0798b096bab3 updated for version 7.3.1113 Bram Moolenaar <bram@vim.org> parents: 4730 diff changeset	1562 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	1563 if (save_prev_at_start)
b6b4f354df23 commit https://github.com/vim/vim/commit/7c29f387819b5817b003d2ba73e2b5cf3cb3d0dd Christian Brabandt <cb@256bit.org> parents: 7833 diff changeset	1564 at_start = TRUE;
b6b4f354df23 commit https://github.com/vim/vim/commit/7c29f387819b5817b003d2ba73e2b5cf3cb3d0dd Christian Brabandt <cb@256bit.org> parents: 7833 diff changeset	1565 }
4583 321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	1566 else if (c == 'c')
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1567 // \%{n}c \%{n}<c \%{n}>c
4583 321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	1568 EMIT(cmp == '<' ? NFA_COL_LT :
4732 0798b096bab3 updated for version 7.3.1113 Bram Moolenaar <bram@vim.org> parents: 4730 diff changeset	1569 cmp == '>' ? NFA_COL_GT : NFA_COL);
4583 321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	1570 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	1571 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1572 // \%{n}v \%{n}<v \%{n}>v
4583 321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	1573 EMIT(cmp == '<' ? NFA_VCOL_LT :
4732 0798b096bab3 updated for version 7.3.1113 Bram Moolenaar <bram@vim.org> parents: 4730 diff changeset	1574 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	1575 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	1576 }
f043c8931585 patch 8.1.0908: can't handle large value for %{nr}v in regexp Bram Moolenaar <Bram@vim.org> parents: 15800 diff changeset	1577 if (n >= limit)
13192 9bd4151e5aeb patch 8.0.1470: integer overflow when using regexp pattern Christian Brabandt <cb@256bit.org> parents: 13043 diff changeset	1578 {
15470 55ccc2d353bd patch 8.1.0743: giving error messages is not flexible Bram Moolenaar <Bram@vim.org> parents: 15265 diff changeset	1579 emsg(_("E951: \\% value too large"));
13192 9bd4151e5aeb patch 8.0.1470: integer overflow when using regexp pattern Christian Brabandt <cb@256bit.org> parents: 13043 diff changeset	1580 return FAIL;
9bd4151e5aeb patch 8.0.1470: integer overflow when using regexp pattern Christian Brabandt <cb@256bit.org> parents: 13043 diff changeset	1581 }
9bd4151e5aeb patch 8.0.1470: integer overflow when using regexp pattern Christian Brabandt <cb@256bit.org> parents: 13043 diff changeset	1582 EMIT((int)n);
4583 321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	1583 break;
321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	1584 }
4732 0798b096bab3 updated for version 7.3.1113 Bram Moolenaar <bram@vim.org> parents: 4730 diff changeset	1585 else if (c == '\'' && n == 0)
0798b096bab3 updated for version 7.3.1113 Bram Moolenaar <bram@vim.org> parents: 4730 diff changeset	1586 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1587 // \%'m \%<'m \%>'m
4732 0798b096bab3 updated for version 7.3.1113 Bram Moolenaar <bram@vim.org> parents: 4730 diff changeset	1588 EMIT(cmp == '<' ? NFA_MARK_LT :
0798b096bab3 updated for version 7.3.1113 Bram Moolenaar <bram@vim.org> parents: 4730 diff changeset	1589 cmp == '>' ? NFA_MARK_GT : NFA_MARK);
4740 97560c16ca99 updated for version 7.3.1117 Bram Moolenaar <bram@vim.org> parents: 4738 diff changeset	1590 EMIT(getchr());
4732 0798b096bab3 updated for version 7.3.1113 Bram Moolenaar <bram@vim.org> parents: 4730 diff changeset	1591 break;
0798b096bab3 updated for version 7.3.1113 Bram Moolenaar <bram@vim.org> parents: 4730 diff changeset	1592 }
4583 321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	1593 }
15470 55ccc2d353bd patch 8.1.0743: giving error messages is not flexible Bram Moolenaar <Bram@vim.org> parents: 15265 diff changeset	1594 semsg(_("E867: (NFA) Unknown operator '\\%%%c'"),
4571 b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	1595 no_Magic(c));
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1596 return FAIL;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1597 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1598 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1599
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1600 case Magic('['):
4517 9a2183bd8295 updated for version 7.3.1006 Bram Moolenaar <bram@vim.org> parents: 4515 diff changeset	1601 collection:
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1602 /*
4781 c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	1603 * [abc] uses NFA_START_COLL - NFA_END_COLL
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	1604 * [^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	1605 * 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	1606 * NFA_CONCAT to bind them together.
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	1607 * Besides normal characters there can be:
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	1608 * - character classes NFA_CLASS_*
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	1609 * - ranges, two characters followed by NFA_RANGE.
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1610 */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1611
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1612 p = regparse;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1613 endp = skip_anyof(p);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1614 if (*endp == ']')
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1615 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1616 /*
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1617 * 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	1618 * 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	1619 * and perform the necessary substitutions in the NFA.
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1620 */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1621 result = nfa_recognize_char_class(regparse, endp,
5296 3e9107b86b68 updated for version 7.4.001 Bram Moolenaar <bram@vim.org> parents: 5255 diff changeset	1622 extra == NFA_ADD_NL);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1623 if (result != FAIL)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1624 {
5296 3e9107b86b68 updated for version 7.4.001 Bram Moolenaar <bram@vim.org> parents: 5255 diff changeset	1625 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	1626 {
5296 3e9107b86b68 updated for version 7.4.001 Bram Moolenaar <bram@vim.org> parents: 5255 diff changeset	1627 EMIT(result - NFA_ADD_NL);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1628 EMIT(NFA_NEWL);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1629 EMIT(NFA_OR);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1630 }
5296 3e9107b86b68 updated for version 7.4.001 Bram Moolenaar <bram@vim.org> parents: 5255 diff changeset	1631 else
3e9107b86b68 updated for version 7.4.001 Bram Moolenaar <bram@vim.org> parents: 5255 diff changeset	1632 EMIT(result);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1633 regparse = endp;
11127 506f5d8b7d8b patch 8.0.0451: some macros are in lower case Christian Brabandt <cb@256bit.org> parents: 10551 diff changeset	1634 MB_PTR_ADV(regparse);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1635 return OK;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1636 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1637 /*
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1638 * Failed to recognize a character class. Use the simple
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1639 * 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	1640 */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1641 startc = endc = oldstartc = -1;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1642 negated = FALSE;
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1643 if (*regparse == '^') // negated range
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1644 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1645 negated = TRUE;
11127 506f5d8b7d8b patch 8.0.0451: some macros are in lower case Christian Brabandt <cb@256bit.org> parents: 10551 diff changeset	1646 MB_PTR_ADV(regparse);
4781 c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	1647 EMIT(NFA_START_NEG_COLL);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1648 }
4781 c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	1649 else
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	1650 EMIT(NFA_START_COLL);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1651 if (*regparse == '-')
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1652 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1653 startc = '-';
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1654 EMIT(startc);
4781 c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	1655 EMIT(NFA_CONCAT);
11127 506f5d8b7d8b patch 8.0.0451: some macros are in lower case Christian Brabandt <cb@256bit.org> parents: 10551 diff changeset	1656 MB_PTR_ADV(regparse);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1657 }
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1658 // 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	1659 emit_range = FALSE;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1660 while (regparse < endp)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1661 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1662 oldstartc = startc;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1663 startc = -1;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1664 got_coll_char = FALSE;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1665 if (*regparse == '[')
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1666 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1667 // Check for [: :], [= =], [. .]
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1668 equiclass = collclass = 0;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1669 charclass = get_char_class(&regparse);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1670 if (charclass == CLASS_NONE)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1671 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1672 equiclass = get_equi_class(&regparse);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1673 if (equiclass == 0)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1674 collclass = get_coll_element(&regparse);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1675 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1676
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1677 // Character class like [:alpha:]
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1678 if (charclass != CLASS_NONE)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1679 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1680 switch (charclass)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1681 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1682 case CLASS_ALNUM:
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1683 EMIT(NFA_CLASS_ALNUM);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1684 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1685 case CLASS_ALPHA:
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1686 EMIT(NFA_CLASS_ALPHA);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1687 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1688 case CLASS_BLANK:
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1689 EMIT(NFA_CLASS_BLANK);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1690 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1691 case CLASS_CNTRL:
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1692 EMIT(NFA_CLASS_CNTRL);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1693 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1694 case CLASS_DIGIT:
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1695 EMIT(NFA_CLASS_DIGIT);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1696 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1697 case CLASS_GRAPH:
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1698 EMIT(NFA_CLASS_GRAPH);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1699 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1700 case CLASS_LOWER:
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1701 EMIT(NFA_CLASS_LOWER);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1702 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1703 case CLASS_PRINT:
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1704 EMIT(NFA_CLASS_PRINT);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1705 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1706 case CLASS_PUNCT:
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1707 EMIT(NFA_CLASS_PUNCT);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1708 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1709 case CLASS_SPACE:
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1710 EMIT(NFA_CLASS_SPACE);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1711 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1712 case CLASS_UPPER:
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1713 EMIT(NFA_CLASS_UPPER);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1714 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1715 case CLASS_XDIGIT:
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1716 EMIT(NFA_CLASS_XDIGIT);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1717 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1718 case CLASS_TAB:
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1719 EMIT(NFA_CLASS_TAB);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1720 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1721 case CLASS_RETURN:
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1722 EMIT(NFA_CLASS_RETURN);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1723 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1724 case CLASS_BACKSPACE:
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1725 EMIT(NFA_CLASS_BACKSPACE);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1726 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1727 case CLASS_ESCAPE:
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1728 EMIT(NFA_CLASS_ESCAPE);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1729 break;
15709 2e2f07561f4b patch 8.1.0862: no verbose version of character classes Bram Moolenaar <Bram@vim.org> parents: 15603 diff changeset	1730 case CLASS_IDENT:
2e2f07561f4b patch 8.1.0862: no verbose version of character classes Bram Moolenaar <Bram@vim.org> parents: 15603 diff changeset	1731 EMIT(NFA_CLASS_IDENT);
2e2f07561f4b patch 8.1.0862: no verbose version of character classes Bram Moolenaar <Bram@vim.org> parents: 15603 diff changeset	1732 break;
2e2f07561f4b patch 8.1.0862: no verbose version of character classes Bram Moolenaar <Bram@vim.org> parents: 15603 diff changeset	1733 case CLASS_KEYWORD:
2e2f07561f4b patch 8.1.0862: no verbose version of character classes Bram Moolenaar <Bram@vim.org> parents: 15603 diff changeset	1734 EMIT(NFA_CLASS_KEYWORD);
2e2f07561f4b patch 8.1.0862: no verbose version of character classes Bram Moolenaar <Bram@vim.org> parents: 15603 diff changeset	1735 break;
2e2f07561f4b patch 8.1.0862: no verbose version of character classes Bram Moolenaar <Bram@vim.org> parents: 15603 diff changeset	1736 case CLASS_FNAME:
2e2f07561f4b patch 8.1.0862: no verbose version of character classes Bram Moolenaar <Bram@vim.org> parents: 15603 diff changeset	1737 EMIT(NFA_CLASS_FNAME);
2e2f07561f4b patch 8.1.0862: no verbose version of character classes Bram Moolenaar <Bram@vim.org> parents: 15603 diff changeset	1738 break;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1739 }
4781 c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	1740 EMIT(NFA_CONCAT);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1741 continue;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1742 }
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1743 // Try equivalence class [=a=] and the like
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1744 if (equiclass != 0)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1745 {
4781 c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	1746 result = nfa_emit_equi_class(equiclass);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1747 if (result == FAIL)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1748 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1749 // should never happen
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1750 EMSG_RET_FAIL(_("E868: Error building NFA with equivalence class!"));
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1751 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1752 continue;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1753 }
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1754 // Try collating class like [. .]
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1755 if (collclass != 0)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1756 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1757 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	1758 // 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	1759 // while loop.
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 }
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1762 // 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	1763 // start character.
4677 c1622ff9ed8d updated for version 7.3.1086 Bram Moolenaar <bram@vim.org> parents: 4675 diff changeset	1764 if (*regparse == '-' && oldstartc != -1)
4444 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 emit_range = TRUE;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1767 startc = oldstartc;
11127 506f5d8b7d8b patch 8.0.0451: some macros are in lower case Christian Brabandt <cb@256bit.org> parents: 10551 diff changeset	1768 MB_PTR_ADV(regparse);
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1769 continue; // reading the end of the range
4444 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
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1772 // 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	1773 // 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	1774 // 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	1775 // 'cpoptions' is not included.
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1776 // Posix doesn't recognize backslash at all.
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1777 if (*regparse == '\\'
4744 a62695305e03 updated for version 7.3.1119 Bram Moolenaar <bram@vim.org> parents: 4742 diff changeset	1778 && !reg_cpo_bsl
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1779 && regparse + 1 <= endp
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1780 && (vim_strchr(REGEXP_INRANGE, regparse[1]) != NULL
4744 a62695305e03 updated for version 7.3.1119 Bram Moolenaar <bram@vim.org> parents: 4742 diff changeset	1781 \|\| (!reg_cpo_lit
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1782 && vim_strchr(REGEXP_ABBR, regparse[1])
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1783 != NULL)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1784 )
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1785 )
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1786 {
11127 506f5d8b7d8b patch 8.0.0451: some macros are in lower case Christian Brabandt <cb@256bit.org> parents: 10551 diff changeset	1787 MB_PTR_ADV(regparse);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1788
4507 9dbbddb2ed10 updated for version 7.3.1001 Bram Moolenaar <bram@vim.org> parents: 4503 diff changeset	1789 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	1790 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	1791 \|\| regparse[1] == '-') ? NL : NFA_NEWL;
16162 cd5c83115ec6 patch 8.1.1086: too many curly braces Bram Moolenaar <Bram@vim.org> parents: 15935 diff changeset	1792 else if (*regparse == 'd'
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1793 \|\| *regparse == 'o'
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1794 \|\| *regparse == 'x'
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1795 \|\| *regparse == 'u'
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1796 \|\| *regparse == 'U'
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1797 )
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1798 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1799 // TODO(RE) This needs more testing
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1800 startc = coll_get_char();
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1801 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	1802 MB_PTR_BACK(old_regparse, regparse);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1803 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1804 else
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1805 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1806 // \r,\t,\e,\b
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1807 startc = backslash_trans(*regparse);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1808 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1809 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1810
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1811 // Normal printable char
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1812 if (startc == -1)
4677 c1622ff9ed8d updated for version 7.3.1086 Bram Moolenaar <bram@vim.org> parents: 4675 diff changeset	1813 startc = PTR2CHAR(regparse);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1814
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1815 // 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	1816 if (emit_range)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1817 {
4677 c1622ff9ed8d updated for version 7.3.1086 Bram Moolenaar <bram@vim.org> parents: 4675 diff changeset	1818 endc = startc;
c1622ff9ed8d updated for version 7.3.1086 Bram Moolenaar <bram@vim.org> parents: 4675 diff changeset	1819 startc = oldstartc;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1820 if (startc > endc)
11480 99ce30ac4226 patch 8.0.0623: error for invalid regexp is not very informative Christian Brabandt <cb@256bit.org> parents: 11469 diff changeset	1821 EMSG_RET_FAIL(_(e_reverse_range));
4781 c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	1822
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	1823 if (endc > startc + 2)
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	1824 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1825 // 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	1826 // individual characters.
4781 c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	1827 if (startc == 0)
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1828 // \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	1829 EMIT(1);
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	1830 else
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1831 --post_ptr; // remove NFA_CONCAT
4781 c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	1832 EMIT(endc);
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	1833 EMIT(NFA_RANGE);
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	1834 EMIT(NFA_CONCAT);
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	1835 }
15603 639b8318472c patch 8.1.0809: too many #ifdefs Bram Moolenaar <Bram@vim.org> parents: 15490 diff changeset	1836 else if (has_mbyte && ((*mb_char2len)(startc) > 1
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1837 \|\| (*mb_char2len)(endc) > 1))
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1838 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1839 // 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	1840 // "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	1841 //
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1842 for (c = startc + 1; c <= endc; c++)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1843 {
4527 55bcaa1d2749 updated for version 7.3.1011 Bram Moolenaar <bram@vim.org> parents: 4525 diff changeset	1844 EMIT(c);
4781 c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	1845 EMIT(NFA_CONCAT);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1846 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1847 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1848 else
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1849 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1850 #ifdef EBCDIC
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1851 int alpha_only = FALSE;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1852
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1853 // for alphabetical range skip the gaps
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1854 // 'i'-'j', 'r'-'s', 'I'-'J' and 'R'-'S'.
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1855 if (isalpha(startc) && isalpha(endc))
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1856 alpha_only = TRUE;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1857 #endif
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1858 // 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	1859 // skip it.
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1860 for (c = startc + 1; c <= endc; c++)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1861 #ifdef EBCDIC
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1862 if (!alpha_only \|\| isalpha(startc))
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1863 #endif
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1864 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1865 EMIT(c);
4781 c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	1866 EMIT(NFA_CONCAT);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1867 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1868 }
4677 c1622ff9ed8d updated for version 7.3.1086 Bram Moolenaar <bram@vim.org> parents: 4675 diff changeset	1869 emit_range = FALSE;
c1622ff9ed8d updated for version 7.3.1086 Bram Moolenaar <bram@vim.org> parents: 4675 diff changeset	1870 startc = -1;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1871 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1872 else
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1873 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1874 // 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	1875 // emit it.
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1876 // 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	1877 // 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	1878 // 0x0a.
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1879 // 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	1880 // the backtracking engine.
4781 c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	1881 if (startc == NFA_NEWL)
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	1882 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1883 // 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	1884 // 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	1885 // range.
4781 c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	1886 if (!negated)
5296 3e9107b86b68 updated for version 7.4.001 Bram Moolenaar <bram@vim.org> parents: 5255 diff changeset	1887 extra = NFA_ADD_NL;
4781 c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	1888 }
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1889 else
4781 c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	1890 {
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	1891 if (got_coll_char == TRUE && startc == 0)
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	1892 EMIT(0x0a);
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	1893 else
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	1894 EMIT(startc);
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	1895 EMIT(NFA_CONCAT);
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	1896 }
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1897 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1898
11127 506f5d8b7d8b patch 8.0.0451: some macros are in lower case Christian Brabandt <cb@256bit.org> parents: 10551 diff changeset	1899 MB_PTR_ADV(regparse);
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1900 } // while (p < endp)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1901
11127 506f5d8b7d8b patch 8.0.0451: some macros are in lower case Christian Brabandt <cb@256bit.org> parents: 10551 diff changeset	1902 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	1903 if (*regparse == '-') // if last, '-' is just a char
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 EMIT('-');
4781 c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	1906 EMIT(NFA_CONCAT);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1907 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1908
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1909 // skip the trailing ]
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1910 regparse = endp;
11127 506f5d8b7d8b patch 8.0.0451: some macros are in lower case Christian Brabandt <cb@256bit.org> parents: 10551 diff changeset	1911 MB_PTR_ADV(regparse);
4781 c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	1912
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1913 // Mark end of the collection.
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1914 if (negated == TRUE)
4781 c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	1915 EMIT(NFA_END_NEG_COLL);
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	1916 else
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	1917 EMIT(NFA_END_COLL);
4615 5679b8ddd8cc updated for version 7.3.1055 Bram Moolenaar <bram@vim.org> parents: 4583 diff changeset	1918
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1919 // \_[] 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	1920 if (extra == NFA_ADD_NL)
4615 5679b8ddd8cc updated for version 7.3.1055 Bram Moolenaar <bram@vim.org> parents: 4583 diff changeset	1921 {
5679b8ddd8cc updated for version 7.3.1055 Bram Moolenaar <bram@vim.org> parents: 4583 diff changeset	1922 EMIT(reg_string ? NL : NFA_NEWL);
5679b8ddd8cc updated for version 7.3.1055 Bram Moolenaar <bram@vim.org> parents: 4583 diff changeset	1923 EMIT(NFA_OR);
5679b8ddd8cc updated for version 7.3.1055 Bram Moolenaar <bram@vim.org> parents: 4583 diff changeset	1924 }
5679b8ddd8cc updated for version 7.3.1055 Bram Moolenaar <bram@vim.org> parents: 4583 diff changeset	1925
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1926 return OK;
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1927 } // if exists closing ]
4529 432a6b8c7d93 updated for version 7.3.1012 Bram Moolenaar <bram@vim.org> parents: 4527 diff changeset	1928
432a6b8c7d93 updated for version 7.3.1012 Bram Moolenaar <bram@vim.org> parents: 4527 diff changeset	1929 if (reg_strict)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1930 EMSG_RET_FAIL(_(e_missingbracket));
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1931 // FALLTHROUGH
4529 432a6b8c7d93 updated for version 7.3.1012 Bram Moolenaar <bram@vim.org> parents: 4527 diff changeset	1932
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1933 default:
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1934 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1935 int plen;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1936
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1937 nfa_do_multibyte:
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1938 // 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	1939 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	1940 != (plen = utfc_ptr2len(old_regparse))
4543 08ac46980953 updated for version 7.3.1019 Bram Moolenaar <bram@vim.org> parents: 4541 diff changeset	1941 \|\| utf_iscomposing(c)))
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1942 {
4549 849180347ac3 updated for version 7.3.1022 Bram Moolenaar <bram@vim.org> parents: 4547 diff changeset	1943 int i = 0;
849180347ac3 updated for version 7.3.1022 Bram Moolenaar <bram@vim.org> parents: 4547 diff changeset	1944
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1945 // 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	1946 // or more composing characters.
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1947 // 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	1948 // 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	1949 // 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	1950 // 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	1951 // 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	1952 // 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	1953 for (;;)
55bcaa1d2749 updated for version 7.3.1011 Bram Moolenaar <bram@vim.org> parents: 4525 diff changeset	1954 {
55bcaa1d2749 updated for version 7.3.1011 Bram Moolenaar <bram@vim.org> parents: 4525 diff changeset	1955 EMIT(c);
55bcaa1d2749 updated for version 7.3.1011 Bram Moolenaar <bram@vim.org> parents: 4525 diff changeset	1956 if (i > 0)
55bcaa1d2749 updated for version 7.3.1011 Bram Moolenaar <bram@vim.org> parents: 4525 diff changeset	1957 EMIT(NFA_CONCAT);
4529 432a6b8c7d93 updated for version 7.3.1012 Bram Moolenaar <bram@vim.org> parents: 4527 diff changeset	1958 if ((i += utf_char2len(c)) >= plen)
4527 55bcaa1d2749 updated for version 7.3.1011 Bram Moolenaar <bram@vim.org> parents: 4525 diff changeset	1959 break;
55bcaa1d2749 updated for version 7.3.1011 Bram Moolenaar <bram@vim.org> parents: 4525 diff changeset	1960 c = utf_ptr2char(old_regparse + i);
55bcaa1d2749 updated for version 7.3.1011 Bram Moolenaar <bram@vim.org> parents: 4525 diff changeset	1961 }
55bcaa1d2749 updated for version 7.3.1011 Bram Moolenaar <bram@vim.org> parents: 4525 diff changeset	1962 EMIT(NFA_COMPOSING);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1963 regparse = old_regparse + plen;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1964 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1965 else
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1966 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1967 c = no_Magic(c);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1968 EMIT(c);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1969 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1970 return OK;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1971 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1972 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1973
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1974 return OK;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1975 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1976
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1977 /*
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1978 * Parse something followed by possible [*+=].
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1979 *
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1980 * 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	1981 * 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	1982 * characters: "", "a", "aa", etc.
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1983 *
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1984 * piece ::= atom
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1985 * or atom multi
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1986 */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1987 static int
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	1988 nfa_regpiece(void)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1989 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1990 int i;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1991 int op;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1992 int ret;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1993 long minval, maxval;
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1994 int greedy = TRUE; // Braces are prefixed with '-' ?
4679 4d92b873acef updated for version 7.3.1087 Bram Moolenaar <bram@vim.org> parents: 4677 diff changeset	1995 parse_state_T old_state;
4d92b873acef updated for version 7.3.1087 Bram Moolenaar <bram@vim.org> parents: 4677 diff changeset	1996 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	1997 long c2;
4651 f10f63aaec5c updated for version 7.3.1073 Bram Moolenaar <bram@vim.org> parents: 4649 diff changeset	1998 int old_post_pos;
f10f63aaec5c updated for version 7.3.1073 Bram Moolenaar <bram@vim.org> parents: 4649 diff changeset	1999 int my_post_start;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2000 int quest;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2001
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	2002 // 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	2003 // next.
4679 4d92b873acef updated for version 7.3.1087 Bram Moolenaar <bram@vim.org> parents: 4677 diff changeset	2004 save_parse_state(&old_state);
4d92b873acef updated for version 7.3.1087 Bram Moolenaar <bram@vim.org> parents: 4677 diff changeset	2005
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	2006 // 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	2007 my_post_start = (int)(post_ptr - post_start);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2008
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2009 ret = nfa_regatom();
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2010 if (ret == FAIL)
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	2011 return FAIL; // cascaded error
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2012
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2013 op = peekchr();
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2014 if (re_multi_type(op) == NOT_MULTI)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2015 return OK;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2016
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2017 skipchr();
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2018 switch (op)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2019 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2020 case Magic('*'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2021 EMIT(NFA_STAR);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2022 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2023
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2024 case Magic('+'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2025 /*
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2026 * 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	2027 * 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	2028 * 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	2029 * 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	2030 * string.
5255 3c6e2b89875f updated for version 7.4b.004 Bram Moolenaar <bram@vim.org> parents: 5253 diff changeset	2031 * The submatch will be the empty string.
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2032 *
4673 05d57d7c2d55 updated for version 7.3.1084 Bram Moolenaar <bram@vim.org> parents: 4671 diff changeset	2033 * 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	2034 * <atom>+ with <atom><atom>*
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2035 */
4679 4d92b873acef updated for version 7.3.1087 Bram Moolenaar <bram@vim.org> parents: 4677 diff changeset	2036 restore_parse_state(&old_state);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2037 curchr = -1;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2038 if (nfa_regatom() == FAIL)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2039 return FAIL;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2040 EMIT(NFA_STAR);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2041 EMIT(NFA_CONCAT);
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	2042 skipchr(); // skip the \+
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2043 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2044
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2045 case Magic('@'):
4682 2f51ee8825db updated for version 7.3.1088 Bram Moolenaar <bram@vim.org> parents: 4679 diff changeset	2046 c2 = getdecchrs();
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2047 op = no_Magic(getchr());
4682 2f51ee8825db updated for version 7.3.1088 Bram Moolenaar <bram@vim.org> parents: 4679 diff changeset	2048 i = 0;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2049 switch(op)
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 case '=':
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	2052 // \@=
4682 2f51ee8825db updated for version 7.3.1088 Bram Moolenaar <bram@vim.org> parents: 4679 diff changeset	2053 i = NFA_PREV_ATOM_NO_WIDTH;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2054 break;
4661 0dce3d812e7a updated for version 7.3.1078 Bram Moolenaar <bram@vim.org> parents: 4657 diff changeset	2055 case '!':
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	2056 // \@!
4682 2f51ee8825db updated for version 7.3.1088 Bram Moolenaar <bram@vim.org> parents: 4679 diff changeset	2057 i = NFA_PREV_ATOM_NO_WIDTH_NEG;
4661 0dce3d812e7a updated for version 7.3.1078 Bram Moolenaar <bram@vim.org> parents: 4657 diff changeset	2058 break;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2059 case '<':
4682 2f51ee8825db updated for version 7.3.1088 Bram Moolenaar <bram@vim.org> parents: 4679 diff changeset	2060 op = no_Magic(getchr());
2f51ee8825db updated for version 7.3.1088 Bram Moolenaar <bram@vim.org> parents: 4679 diff changeset	2061 if (op == '=')
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	2062 // \@<=
4682 2f51ee8825db updated for version 7.3.1088 Bram Moolenaar <bram@vim.org> parents: 4679 diff changeset	2063 i = NFA_PREV_ATOM_JUST_BEFORE;
2f51ee8825db updated for version 7.3.1088 Bram Moolenaar <bram@vim.org> parents: 4679 diff changeset	2064 else if (op == '!')
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	2065 // \@<!
4682 2f51ee8825db updated for version 7.3.1088 Bram Moolenaar <bram@vim.org> parents: 4679 diff changeset	2066 i = NFA_PREV_ATOM_JUST_BEFORE_NEG;
2f51ee8825db updated for version 7.3.1088 Bram Moolenaar <bram@vim.org> parents: 4679 diff changeset	2067 break;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2068 case '>':
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	2069 // \@>
4750 7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	2070 i = NFA_PREV_ATOM_LIKE_PATTERN;
7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	2071 break;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2072 }
4682 2f51ee8825db updated for version 7.3.1088 Bram Moolenaar <bram@vim.org> parents: 4679 diff changeset	2073 if (i == 0)
2f51ee8825db updated for version 7.3.1088 Bram Moolenaar <bram@vim.org> parents: 4679 diff changeset	2074 {
15470 55ccc2d353bd patch 8.1.0743: giving error messages is not flexible Bram Moolenaar <Bram@vim.org> parents: 15265 diff changeset	2075 semsg(_("E869: (NFA) Unknown operator '\\@%c'"), op);
4682 2f51ee8825db updated for version 7.3.1088 Bram Moolenaar <bram@vim.org> parents: 4679 diff changeset	2076 return FAIL;
2f51ee8825db updated for version 7.3.1088 Bram Moolenaar <bram@vim.org> parents: 4679 diff changeset	2077 }
2f51ee8825db updated for version 7.3.1088 Bram Moolenaar <bram@vim.org> parents: 4679 diff changeset	2078 EMIT(i);
2f51ee8825db updated for version 7.3.1088 Bram Moolenaar <bram@vim.org> parents: 4679 diff changeset	2079 if (i == NFA_PREV_ATOM_JUST_BEFORE
2f51ee8825db updated for version 7.3.1088 Bram Moolenaar <bram@vim.org> parents: 4679 diff changeset	2080 \|\| i == NFA_PREV_ATOM_JUST_BEFORE_NEG)
2f51ee8825db updated for version 7.3.1088 Bram Moolenaar <bram@vim.org> parents: 4679 diff changeset	2081 EMIT(c2);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2082 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2083
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2084 case Magic('?'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2085 case Magic('='):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2086 EMIT(NFA_QUEST);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2087 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2088
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2089 case Magic('{'):
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	2090 // 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	2091 // 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	2092 // version of '?'
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	2093 // \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	2094 // parenthesis have the same id
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2095
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2096 greedy = TRUE;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2097 c2 = peekchr();
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2098 if (c2 == '-' \|\| c2 == Magic('-'))
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2099 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2100 skipchr();
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2101 greedy = FALSE;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2102 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2103 if (!read_limits(&minval, &maxval))
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2104 EMSG_RET_FAIL(_("E870: (NFA regexp) Error reading repetition limits"));
4762 47906f888725 updated for version 7.3.1128 Bram Moolenaar <bram@vim.org> parents: 4760 diff changeset	2105
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	2106 // <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	2107 // <atom>*
4675 811a4c9b51d8 updated for version 7.3.1085 Bram Moolenaar <bram@vim.org> parents: 4673 diff changeset	2108 if (minval == 0 && maxval == MAX_LIMIT)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2109 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	2110 if (greedy) // { { (match the braces)
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	2111 // \{}, \{0,}
4675 811a4c9b51d8 updated for version 7.3.1085 Bram Moolenaar <bram@vim.org> parents: 4673 diff changeset	2112 EMIT(NFA_STAR);
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	2113 else // { { (match the braces)
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	2114 // \{-}, \{-0,}
4675 811a4c9b51d8 updated for version 7.3.1085 Bram Moolenaar <bram@vim.org> parents: 4673 diff changeset	2115 EMIT(NFA_STAR_NONGREEDY);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2116 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2117 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2118
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	2119 // Special case: x{0} or x{-0}
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2120 if (maxval == 0)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2121 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	2122 // 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	2123 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	2124 // 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	2125 EMIT(NFA_EMPTY);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2126 return OK;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2127 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2128
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	2129 // 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	2130 // maximum is much larger than the minimum and when the maximum is
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	2131 // large. Bail out if we can use the other engine.
6594 3cca9b0cc1a0 updated for version 7.4.623 Bram Moolenaar <bram@vim.org> parents: 6592 diff changeset	2132 if ((nfa_re_flags & RE_AUTO)
10551 c3cc8b2aab6a patch 8.0.0165: ubsan warns for integer overflow Christian Brabandt <cb@256bit.org> parents: 10540 diff changeset	2133 && (maxval > 500 \|\| maxval > minval + 200))
6533 bdc8e71633e4 updated for version 7.4.593 Bram Moolenaar <bram@vim.org> parents: 6510 diff changeset	2134 return FAIL;
bdc8e71633e4 updated for version 7.4.593 Bram Moolenaar <bram@vim.org> parents: 6510 diff changeset	2135
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	2136 // Ignore previous call to nfa_regatom()
4651 f10f63aaec5c updated for version 7.3.1073 Bram Moolenaar <bram@vim.org> parents: 4649 diff changeset	2137 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	2138 // 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	2139 save_parse_state(&new_state);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2140
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2141 quest = (greedy == TRUE? NFA_QUEST : NFA_QUEST_NONGREEDY);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2142 for (i = 0; i < maxval; i++)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2143 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	2144 // Goto beginning of the repeated atom
4679 4d92b873acef updated for version 7.3.1087 Bram Moolenaar <bram@vim.org> parents: 4677 diff changeset	2145 restore_parse_state(&old_state);
4651 f10f63aaec5c updated for version 7.3.1073 Bram Moolenaar <bram@vim.org> parents: 4649 diff changeset	2146 old_post_pos = (int)(post_ptr - post_start);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2147 if (nfa_regatom() == FAIL)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2148 return FAIL;
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	2149 // after "minval" times, atoms are optional
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2150 if (i + 1 > minval)
4673 05d57d7c2d55 updated for version 7.3.1084 Bram Moolenaar <bram@vim.org> parents: 4671 diff changeset	2151 {
05d57d7c2d55 updated for version 7.3.1084 Bram Moolenaar <bram@vim.org> parents: 4671 diff changeset	2152 if (maxval == MAX_LIMIT)
4675 811a4c9b51d8 updated for version 7.3.1085 Bram Moolenaar <bram@vim.org> parents: 4673 diff changeset	2153 {
811a4c9b51d8 updated for version 7.3.1085 Bram Moolenaar <bram@vim.org> parents: 4673 diff changeset	2154 if (greedy)
811a4c9b51d8 updated for version 7.3.1085 Bram Moolenaar <bram@vim.org> parents: 4673 diff changeset	2155 EMIT(NFA_STAR);
811a4c9b51d8 updated for version 7.3.1085 Bram Moolenaar <bram@vim.org> parents: 4673 diff changeset	2156 else
811a4c9b51d8 updated for version 7.3.1085 Bram Moolenaar <bram@vim.org> parents: 4673 diff changeset	2157 EMIT(NFA_STAR_NONGREEDY);
811a4c9b51d8 updated for version 7.3.1085 Bram Moolenaar <bram@vim.org> parents: 4673 diff changeset	2158 }
4673 05d57d7c2d55 updated for version 7.3.1084 Bram Moolenaar <bram@vim.org> parents: 4671 diff changeset	2159 else
05d57d7c2d55 updated for version 7.3.1084 Bram Moolenaar <bram@vim.org> parents: 4671 diff changeset	2160 EMIT(quest);
05d57d7c2d55 updated for version 7.3.1084 Bram Moolenaar <bram@vim.org> parents: 4671 diff changeset	2161 }
4651 f10f63aaec5c updated for version 7.3.1073 Bram Moolenaar <bram@vim.org> parents: 4649 diff changeset	2162 if (old_post_pos != my_post_start)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2163 EMIT(NFA_CONCAT);
4673 05d57d7c2d55 updated for version 7.3.1084 Bram Moolenaar <bram@vim.org> parents: 4671 diff changeset	2164 if (i + 1 > minval && maxval == MAX_LIMIT)
05d57d7c2d55 updated for version 7.3.1084 Bram Moolenaar <bram@vim.org> parents: 4671 diff changeset	2165 break;
4444 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
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	2168 // 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	2169 restore_parse_state(&new_state);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2170 curchr = -1;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2171
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2172 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2173
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2174
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2175 default:
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2176 break;
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	2177 } // end switch
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2178
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2179 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	2180 // Can't have a multi follow a multi.
14163 99a96be12254 patch 8.1.0099: exclamation mark in error message not needed Christian Brabandt <cb@256bit.org> parents: 14161 diff changeset	2181 EMSG_RET_FAIL(_("E871: (NFA regexp) Can't have a multi follow a multi"));
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2182
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2183 return OK;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2184 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2185
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2186 /*
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2187 * 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	2188 * 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	2189 * "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	2190 *
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2191 * concat ::= piece
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2192 * or piece piece
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2193 * or piece piece piece
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2194 * etc.
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2195 */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2196 static int
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	2197 nfa_regconcat(void)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2198 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2199 int cont = TRUE;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2200 int first = TRUE;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2201
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2202 while (cont)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2203 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2204 switch (peekchr())
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2205 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2206 case NUL:
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2207 case Magic('\|'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2208 case Magic('&'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2209 case Magic(')'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2210 cont = FALSE;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2211 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2212
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2213 case Magic('Z'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2214 regflags \|= RF_ICOMBINE;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2215 skipchr_keepstart();
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2216 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2217 case Magic('c'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2218 regflags \|= RF_ICASE;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2219 skipchr_keepstart();
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2220 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2221 case Magic('C'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2222 regflags \|= RF_NOICASE;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2223 skipchr_keepstart();
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2224 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2225 case Magic('v'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2226 reg_magic = MAGIC_ALL;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2227 skipchr_keepstart();
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2228 curchr = -1;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2229 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2230 case Magic('m'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2231 reg_magic = MAGIC_ON;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2232 skipchr_keepstart();
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2233 curchr = -1;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2234 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2235 case Magic('M'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2236 reg_magic = MAGIC_OFF;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2237 skipchr_keepstart();
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2238 curchr = -1;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2239 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2240 case Magic('V'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2241 reg_magic = MAGIC_NONE;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2242 skipchr_keepstart();
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2243 curchr = -1;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2244 break;
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 default:
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2247 if (nfa_regpiece() == FAIL)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2248 return FAIL;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2249 if (first == FALSE)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2250 EMIT(NFA_CONCAT);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2251 else
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2252 first = FALSE;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2253 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2254 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2255 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2256
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2257 return OK;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2258 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2259
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 * 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	2262 * 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	2263 * position. Examples:
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2264 * "foobeep\&..." matches "foo" in "foobeep".
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2265 * ".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	2266 *
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2267 * branch ::= concat
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2268 * or concat \& concat
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2269 * or concat \& concat \& concat
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2270 * etc.
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2271 */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2272 static int
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	2273 nfa_regbranch(void)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2274 {
4651 f10f63aaec5c updated for version 7.3.1073 Bram Moolenaar <bram@vim.org> parents: 4649 diff changeset	2275 int old_post_pos;
f10f63aaec5c updated for version 7.3.1073 Bram Moolenaar <bram@vim.org> parents: 4649 diff changeset	2276
f10f63aaec5c updated for version 7.3.1073 Bram Moolenaar <bram@vim.org> parents: 4649 diff changeset	2277 old_post_pos = (int)(post_ptr - post_start);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2278
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	2279 // First branch, possibly the only one
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2280 if (nfa_regconcat() == FAIL)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2281 return FAIL;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2282
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	2283 // 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	2284 while (peekchr() == Magic('&'))
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2285 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2286 skipchr();
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	2287 // 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	2288 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	2289 EMIT(NFA_EMPTY);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2290 EMIT(NFA_NOPEN);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2291 EMIT(NFA_PREV_ATOM_NO_WIDTH);
4651 f10f63aaec5c updated for version 7.3.1073 Bram Moolenaar <bram@vim.org> parents: 4649 diff changeset	2292 old_post_pos = (int)(post_ptr - post_start);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2293 if (nfa_regconcat() == FAIL)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2294 return FAIL;
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	2295 // 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	2296 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	2297 EMIT(NFA_EMPTY);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2298 EMIT(NFA_CONCAT);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2299 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2300
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	2301 // 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	2302 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	2303 EMIT(NFA_EMPTY);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2304
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2305 return OK;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2306 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2307
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2308 /*
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2309 * 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	2310 * 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	2311 * "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	2312 * is used.
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2313 *
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2314 * pattern ::= branch
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2315 * or branch \\| branch
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2316 * or branch \\| branch \\| branch
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2317 * etc.
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2318 */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2319 static int
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	2320 nfa_reg(
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	2321 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	2322 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2323 int parno = 0;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2324
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2325 if (paren == REG_PAREN)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2326 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	2327 if (regnpar >= NSUBEXP) // Too many `('
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2328 EMSG_RET_FAIL(_("E872: (NFA regexp) Too many '('"));
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2329 parno = regnpar++;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2330 }
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2331 #ifdef FEAT_SYN_HL
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2332 else if (paren == REG_ZPAREN)
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2333 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	2334 // Make a ZOPEN node.
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2335 if (regnzpar >= NSUBEXP)
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2336 EMSG_RET_FAIL(_("E879: (NFA regexp) Too many \\z("));
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2337 parno = regnzpar++;
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2338 }
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2339 #endif
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2340
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2341 if (nfa_regbranch() == FAIL)
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	2342 return FAIL; // cascaded error
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2343
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2344 while (peekchr() == Magic('\|'))
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2345 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2346 skipchr();
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2347 if (nfa_regbranch() == FAIL)
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	2348 return FAIL; // cascaded error
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2349 EMIT(NFA_OR);
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
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	2352 // Check for proper termination.
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2353 if (paren != REG_NOPAREN && getchr() != Magic(')'))
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 if (paren == REG_NPAREN)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2356 EMSG2_RET_FAIL(_(e_unmatchedpp), reg_magic == MAGIC_ALL);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2357 else
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2358 EMSG2_RET_FAIL(_(e_unmatchedp), reg_magic == MAGIC_ALL);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2359 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2360 else if (paren == REG_NOPAREN && peekchr() != NUL)
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 if (peekchr() == Magic(')'))
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2363 EMSG2_RET_FAIL(_(e_unmatchedpar), reg_magic == MAGIC_ALL);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2364 else
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2365 EMSG_RET_FAIL(_("E873: (NFA regexp) proper termination error"));
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2366 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2367 /*
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2368 * 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	2369 * parentheses.
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2370 */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2371 if (paren == REG_PAREN)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2372 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	2373 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	2374 EMIT(NFA_MOPEN + parno);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2375 }
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2376 #ifdef FEAT_SYN_HL
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2377 else if (paren == REG_ZPAREN)
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2378 EMIT(NFA_ZOPEN + parno);
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2379 #endif
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2380
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2381 return OK;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2382 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2383
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2384 #ifdef DEBUG
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2385 static char_u code[50];
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2386
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2387 static void
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	2388 nfa_set_code(int c)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2389 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2390 int addnl = FALSE;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2391
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2392 if (c >= NFA_FIRST_NL && c <= NFA_LAST_NL)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2393 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2394 addnl = TRUE;
5296 3e9107b86b68 updated for version 7.4.001 Bram Moolenaar <bram@vim.org> parents: 5255 diff changeset	2395 c -= NFA_ADD_NL;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2396 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2397
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2398 STRCPY(code, "");
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2399 switch (c)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2400 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2401 case NFA_MATCH: STRCPY(code, "NFA_MATCH "); break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2402 case NFA_SPLIT: STRCPY(code, "NFA_SPLIT "); break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2403 case NFA_CONCAT: STRCPY(code, "NFA_CONCAT "); break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2404 case NFA_NEWL: STRCPY(code, "NFA_NEWL "); break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2405 case NFA_ZSTART: STRCPY(code, "NFA_ZSTART"); break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2406 case NFA_ZEND: STRCPY(code, "NFA_ZEND"); break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2407
4571 b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	2408 case NFA_BACKREF1: STRCPY(code, "NFA_BACKREF1"); break;
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	2409 case NFA_BACKREF2: STRCPY(code, "NFA_BACKREF2"); break;
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	2410 case NFA_BACKREF3: STRCPY(code, "NFA_BACKREF3"); break;
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	2411 case NFA_BACKREF4: STRCPY(code, "NFA_BACKREF4"); break;
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	2412 case NFA_BACKREF5: STRCPY(code, "NFA_BACKREF5"); break;
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	2413 case NFA_BACKREF6: STRCPY(code, "NFA_BACKREF6"); break;
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	2414 case NFA_BACKREF7: STRCPY(code, "NFA_BACKREF7"); break;
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	2415 case NFA_BACKREF8: STRCPY(code, "NFA_BACKREF8"); break;
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	2416 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	2417 #ifdef FEAT_SYN_HL
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2418 case NFA_ZREF1: STRCPY(code, "NFA_ZREF1"); break;
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2419 case NFA_ZREF2: STRCPY(code, "NFA_ZREF2"); break;
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2420 case NFA_ZREF3: STRCPY(code, "NFA_ZREF3"); break;
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2421 case NFA_ZREF4: STRCPY(code, "NFA_ZREF4"); break;
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2422 case NFA_ZREF5: STRCPY(code, "NFA_ZREF5"); break;
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2423 case NFA_ZREF6: STRCPY(code, "NFA_ZREF6"); break;
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2424 case NFA_ZREF7: STRCPY(code, "NFA_ZREF7"); break;
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2425 case NFA_ZREF8: STRCPY(code, "NFA_ZREF8"); break;
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2426 case NFA_ZREF9: STRCPY(code, "NFA_ZREF9"); break;
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2427 #endif
4571 b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	2428 case NFA_SKIP: STRCPY(code, "NFA_SKIP"); break;
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	2429
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2430 case NFA_PREV_ATOM_NO_WIDTH:
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2431 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	2432 case NFA_PREV_ATOM_NO_WIDTH_NEG:
321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	2433 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	2434 case NFA_PREV_ATOM_JUST_BEFORE:
2f51ee8825db updated for version 7.3.1088 Bram Moolenaar <bram@vim.org> parents: 4679 diff changeset	2435 STRCPY(code, "NFA_PREV_ATOM_JUST_BEFORE"); break;
2f51ee8825db updated for version 7.3.1088 Bram Moolenaar <bram@vim.org> parents: 4679 diff changeset	2436 case NFA_PREV_ATOM_JUST_BEFORE_NEG:
2f51ee8825db updated for version 7.3.1088 Bram Moolenaar <bram@vim.org> parents: 4679 diff changeset	2437 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	2438 case NFA_PREV_ATOM_LIKE_PATTERN:
7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	2439 STRCPY(code, "NFA_PREV_ATOM_LIKE_PATTERN"); break;
7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	2440
4657 93b7ed814bec updated for version 7.3.1076 Bram Moolenaar <bram@vim.org> parents: 4655 diff changeset	2441 case NFA_NOPEN: STRCPY(code, "NFA_NOPEN"); break;
93b7ed814bec updated for version 7.3.1076 Bram Moolenaar <bram@vim.org> parents: 4655 diff changeset	2442 case NFA_NCLOSE: STRCPY(code, "NFA_NCLOSE"); break;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2443 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	2444 case NFA_START_INVISIBLE_FIRST:
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	2445 STRCPY(code, "NFA_START_INVISIBLE_FIRST"); break;
4785 3b5a023a4543 updated for version 7.3.1139 Bram Moolenaar <bram@vim.org> parents: 4783 diff changeset	2446 case NFA_START_INVISIBLE_NEG:
3b5a023a4543 updated for version 7.3.1139 Bram Moolenaar <bram@vim.org> parents: 4783 diff changeset	2447 STRCPY(code, "NFA_START_INVISIBLE_NEG"); break;
4845 a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	2448 case NFA_START_INVISIBLE_NEG_FIRST:
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	2449 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	2450 case NFA_START_INVISIBLE_BEFORE:
2f51ee8825db updated for version 7.3.1088 Bram Moolenaar <bram@vim.org> parents: 4679 diff changeset	2451 STRCPY(code, "NFA_START_INVISIBLE_BEFORE"); break;
4845 a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	2452 case NFA_START_INVISIBLE_BEFORE_FIRST:
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	2453 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	2454 case NFA_START_INVISIBLE_BEFORE_NEG:
3b5a023a4543 updated for version 7.3.1139 Bram Moolenaar <bram@vim.org> parents: 4783 diff changeset	2455 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	2456 case NFA_START_INVISIBLE_BEFORE_NEG_FIRST:
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	2457 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	2458 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	2459 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	2460 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	2461 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	2462
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2463 case NFA_COMPOSING: STRCPY(code, "NFA_COMPOSING"); break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2464 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	2465 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	2466
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2467 case NFA_MOPEN:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2468 case NFA_MOPEN1:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2469 case NFA_MOPEN2:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2470 case NFA_MOPEN3:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2471 case NFA_MOPEN4:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2472 case NFA_MOPEN5:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2473 case NFA_MOPEN6:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2474 case NFA_MOPEN7:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2475 case NFA_MOPEN8:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2476 case NFA_MOPEN9:
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2477 STRCPY(code, "NFA_MOPEN(x)");
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2478 code[10] = c - NFA_MOPEN + '0';
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2479 break;
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2480 case NFA_MCLOSE:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2481 case NFA_MCLOSE1:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2482 case NFA_MCLOSE2:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2483 case NFA_MCLOSE3:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2484 case NFA_MCLOSE4:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2485 case NFA_MCLOSE5:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2486 case NFA_MCLOSE6:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2487 case NFA_MCLOSE7:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2488 case NFA_MCLOSE8:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2489 case NFA_MCLOSE9:
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2490 STRCPY(code, "NFA_MCLOSE(x)");
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2491 code[11] = c - NFA_MCLOSE + '0';
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2492 break;
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2493 #ifdef FEAT_SYN_HL
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2494 case NFA_ZOPEN:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2495 case NFA_ZOPEN1:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2496 case NFA_ZOPEN2:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2497 case NFA_ZOPEN3:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2498 case NFA_ZOPEN4:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2499 case NFA_ZOPEN5:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2500 case NFA_ZOPEN6:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2501 case NFA_ZOPEN7:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2502 case NFA_ZOPEN8:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2503 case NFA_ZOPEN9:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2504 STRCPY(code, "NFA_ZOPEN(x)");
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2505 code[10] = c - NFA_ZOPEN + '0';
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2506 break;
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2507 case NFA_ZCLOSE:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2508 case NFA_ZCLOSE1:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2509 case NFA_ZCLOSE2:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2510 case NFA_ZCLOSE3:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2511 case NFA_ZCLOSE4:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2512 case NFA_ZCLOSE5:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2513 case NFA_ZCLOSE6:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2514 case NFA_ZCLOSE7:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2515 case NFA_ZCLOSE8:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2516 case NFA_ZCLOSE9:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2517 STRCPY(code, "NFA_ZCLOSE(x)");
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2518 code[11] = c - NFA_ZCLOSE + '0';
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2519 break;
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2520 #endif
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2521 case NFA_EOL: STRCPY(code, "NFA_EOL "); break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2522 case NFA_BOL: STRCPY(code, "NFA_BOL "); break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2523 case NFA_EOW: STRCPY(code, "NFA_EOW "); break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2524 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	2525 case NFA_EOF: STRCPY(code, "NFA_EOF "); break;
b3c59716e700 updated for version 7.3.1083 Bram Moolenaar <bram@vim.org> parents: 4669 diff changeset	2526 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	2527 case NFA_LNUM: STRCPY(code, "NFA_LNUM "); break;
0798b096bab3 updated for version 7.3.1113 Bram Moolenaar <bram@vim.org> parents: 4730 diff changeset	2528 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	2529 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	2530 case NFA_COL: STRCPY(code, "NFA_COL "); break;
0798b096bab3 updated for version 7.3.1113 Bram Moolenaar <bram@vim.org> parents: 4730 diff changeset	2531 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	2532 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	2533 case NFA_VCOL: STRCPY(code, "NFA_VCOL "); break;
0798b096bab3 updated for version 7.3.1113 Bram Moolenaar <bram@vim.org> parents: 4730 diff changeset	2534 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	2535 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	2536 case NFA_MARK: STRCPY(code, "NFA_MARK "); break;
0798b096bab3 updated for version 7.3.1113 Bram Moolenaar <bram@vim.org> parents: 4730 diff changeset	2537 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	2538 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	2539 case NFA_CURSOR: STRCPY(code, "NFA_CURSOR "); break;
0798b096bab3 updated for version 7.3.1113 Bram Moolenaar <bram@vim.org> parents: 4730 diff changeset	2540 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	2541 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	2542
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2543 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	2544 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	2545 case NFA_QUEST: STRCPY(code, "NFA_QUEST"); break;
811a4c9b51d8 updated for version 7.3.1085 Bram Moolenaar <bram@vim.org> parents: 4673 diff changeset	2546 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	2547 case NFA_EMPTY: STRCPY(code, "NFA_EMPTY"); break;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2548 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	2549
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	2550 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	2551 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	2552 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	2553 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	2554 case NFA_RANGE: STRCPY(code, "NFA_RANGE"); break;
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	2555 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	2556 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	2557
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2558 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	2559 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	2560 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	2561 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	2562 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	2563 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	2564 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	2565 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	2566 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	2567 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	2568 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	2569 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	2570 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	2571 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	2572 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	2573 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	2574 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	2575 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	2576 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	2577
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2578 case NFA_ANY: STRCPY(code, "NFA_ANY"); break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2579 case NFA_IDENT: STRCPY(code, "NFA_IDENT"); break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2580 case NFA_SIDENT:STRCPY(code, "NFA_SIDENT"); break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2581 case NFA_KWORD: STRCPY(code, "NFA_KWORD"); break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2582 case NFA_SKWORD:STRCPY(code, "NFA_SKWORD"); break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2583 case NFA_FNAME: STRCPY(code, "NFA_FNAME"); break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2584 case NFA_SFNAME:STRCPY(code, "NFA_SFNAME"); break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2585 case NFA_PRINT: STRCPY(code, "NFA_PRINT"); break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2586 case NFA_SPRINT:STRCPY(code, "NFA_SPRINT"); break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2587 case NFA_WHITE: STRCPY(code, "NFA_WHITE"); break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2588 case NFA_NWHITE:STRCPY(code, "NFA_NWHITE"); break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2589 case NFA_DIGIT: STRCPY(code, "NFA_DIGIT"); break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2590 case NFA_NDIGIT:STRCPY(code, "NFA_NDIGIT"); break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2591 case NFA_HEX: STRCPY(code, "NFA_HEX"); break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2592 case NFA_NHEX: STRCPY(code, "NFA_NHEX"); break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2593 case NFA_OCTAL: STRCPY(code, "NFA_OCTAL"); break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2594 case NFA_NOCTAL:STRCPY(code, "NFA_NOCTAL"); break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2595 case NFA_WORD: STRCPY(code, "NFA_WORD"); break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2596 case NFA_NWORD: STRCPY(code, "NFA_NWORD"); break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2597 case NFA_HEAD: STRCPY(code, "NFA_HEAD"); break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2598 case NFA_NHEAD: STRCPY(code, "NFA_NHEAD"); break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2599 case NFA_ALPHA: STRCPY(code, "NFA_ALPHA"); break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2600 case NFA_NALPHA:STRCPY(code, "NFA_NALPHA"); break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2601 case NFA_LOWER: STRCPY(code, "NFA_LOWER"); break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2602 case NFA_NLOWER:STRCPY(code, "NFA_NLOWER"); break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2603 case NFA_UPPER: STRCPY(code, "NFA_UPPER"); break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2604 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	2605 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	2606 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	2607 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	2608 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	2609
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2610 default:
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2611 STRCPY(code, "CHAR(x)");
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2612 code[5] = c;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2613 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2614
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2615 if (addnl == TRUE)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2616 STRCAT(code, " + NEWLINE ");
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2617
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2618 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2619
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2620 #ifdef ENABLE_LOG
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2621 static FILE *log_fd;
14145 1cf832945469 patch 8.1.0090: "..." used inconsistently in a message Christian Brabandt <cb@256bit.org> parents: 14121 diff changeset	2622 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	2623
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2624 /*
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2625 * Print the postfix notation of the current regexp.
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2626 */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2627 static void
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	2628 nfa_postfix_dump(char_u *expr, int retval)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2629 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2630 int *p;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2631 FILE *f;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2632
4531 1be43c095aff updated for version 7.3.1013 Bram Moolenaar <bram@vim.org> parents: 4529 diff changeset	2633 f = fopen(NFA_REGEXP_DUMP_LOG, "a");
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2634 if (f != NULL)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2635 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2636 fprintf(f, "\n-------------------------\n");
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2637 if (retval == FAIL)
14145 1cf832945469 patch 8.1.0090: "..." used inconsistently in a message Christian Brabandt <cb@256bit.org> parents: 14121 diff changeset	2638 fprintf(f, ">>> NFA engine failed... \n");
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2639 else if (retval == OK)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2640 fprintf(f, ">>> NFA engine succeeded !\n");
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2641 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	2642 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	2643 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2644 nfa_set_code(*p);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2645 fprintf(f, "%s, ", code);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2646 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2647 fprintf(f, "\"\nPostfix notation (int): ");
5255 3c6e2b89875f updated for version 7.4b.004 Bram Moolenaar <bram@vim.org> parents: 5253 diff changeset	2648 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	2649 fprintf(f, "%d ", *p);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2650 fprintf(f, "\n\n");
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2651 fclose(f);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2652 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2653 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2654
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2655 /*
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2656 * Print the NFA starting with a root node "state".
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2657 */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2658 static void
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	2659 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	2660 {
4533 6a2005efa02b updated for version 7.3.1014 Bram Moolenaar <bram@vim.org> parents: 4531 diff changeset	2661 garray_T indent;
6a2005efa02b updated for version 7.3.1014 Bram Moolenaar <bram@vim.org> parents: 4531 diff changeset	2662
6a2005efa02b updated for version 7.3.1014 Bram Moolenaar <bram@vim.org> parents: 4531 diff changeset	2663 ga_init2(&indent, 1, 64);
6a2005efa02b updated for version 7.3.1014 Bram Moolenaar <bram@vim.org> parents: 4531 diff changeset	2664 ga_append(&indent, '\0');
6a2005efa02b updated for version 7.3.1014 Bram Moolenaar <bram@vim.org> parents: 4531 diff changeset	2665 nfa_print_state2(debugf, state, &indent);
6a2005efa02b updated for version 7.3.1014 Bram Moolenaar <bram@vim.org> parents: 4531 diff changeset	2666 ga_clear(&indent);
6a2005efa02b updated for version 7.3.1014 Bram Moolenaar <bram@vim.org> parents: 4531 diff changeset	2667 }
6a2005efa02b updated for version 7.3.1014 Bram Moolenaar <bram@vim.org> parents: 4531 diff changeset	2668
6a2005efa02b updated for version 7.3.1014 Bram Moolenaar <bram@vim.org> parents: 4531 diff changeset	2669 static void
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	2670 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	2671 {
6a2005efa02b updated for version 7.3.1014 Bram Moolenaar <bram@vim.org> parents: 4531 diff changeset	2672 char_u *p;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2673
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2674 if (state == NULL)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2675 return;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2676
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2677 fprintf(debugf, "(%2d)", abs(state->id));
4533 6a2005efa02b updated for version 7.3.1014 Bram Moolenaar <bram@vim.org> parents: 4531 diff changeset	2678
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	2679 // Output indent
4533 6a2005efa02b updated for version 7.3.1014 Bram Moolenaar <bram@vim.org> parents: 4531 diff changeset	2680 p = (char_u *)indent->ga_data;
6a2005efa02b updated for version 7.3.1014 Bram Moolenaar <bram@vim.org> parents: 4531 diff changeset	2681 if (indent->ga_len >= 3)
6a2005efa02b updated for version 7.3.1014 Bram Moolenaar <bram@vim.org> parents: 4531 diff changeset	2682 {
6a2005efa02b updated for version 7.3.1014 Bram Moolenaar <bram@vim.org> parents: 4531 diff changeset	2683 int last = indent->ga_len - 3;
6a2005efa02b updated for version 7.3.1014 Bram Moolenaar <bram@vim.org> parents: 4531 diff changeset	2684 char_u save[2];
6a2005efa02b updated for version 7.3.1014 Bram Moolenaar <bram@vim.org> parents: 4531 diff changeset	2685
6a2005efa02b updated for version 7.3.1014 Bram Moolenaar <bram@vim.org> parents: 4531 diff changeset	2686 STRNCPY(save, &p[last], 2);
6a2005efa02b updated for version 7.3.1014 Bram Moolenaar <bram@vim.org> parents: 4531 diff changeset	2687 STRNCPY(&p[last], "+-", 2);
6a2005efa02b updated for version 7.3.1014 Bram Moolenaar <bram@vim.org> parents: 4531 diff changeset	2688 fprintf(debugf, " %s", p);
6a2005efa02b updated for version 7.3.1014 Bram Moolenaar <bram@vim.org> parents: 4531 diff changeset	2689 STRNCPY(&p[last], save, 2);
6a2005efa02b updated for version 7.3.1014 Bram Moolenaar <bram@vim.org> parents: 4531 diff changeset	2690 }
6a2005efa02b updated for version 7.3.1014 Bram Moolenaar <bram@vim.org> parents: 4531 diff changeset	2691 else
6a2005efa02b updated for version 7.3.1014 Bram Moolenaar <bram@vim.org> parents: 4531 diff changeset	2692 fprintf(debugf, " %s", p);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2693
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2694 nfa_set_code(state->c);
4785 3b5a023a4543 updated for version 7.3.1139 Bram Moolenaar <bram@vim.org> parents: 4783 diff changeset	2695 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	2696 code,
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	2697 state->c,
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	2698 abs(state->id),
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	2699 state->val);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2700 if (state->id < 0)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2701 return;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2702
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2703 state->id = abs(state->id) * -1;
4533 6a2005efa02b updated for version 7.3.1014 Bram Moolenaar <bram@vim.org> parents: 4531 diff changeset	2704
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	2705 // grow indent for state->out
4533 6a2005efa02b updated for version 7.3.1014 Bram Moolenaar <bram@vim.org> parents: 4531 diff changeset	2706 indent->ga_len -= 1;
6a2005efa02b updated for version 7.3.1014 Bram Moolenaar <bram@vim.org> parents: 4531 diff changeset	2707 if (state->out1)
4537 5cc98a5898cf updated for version 7.3.1016 Bram Moolenaar <bram@vim.org> parents: 4535 diff changeset	2708 ga_concat(indent, (char_u *)"\| ");
4533 6a2005efa02b updated for version 7.3.1014 Bram Moolenaar <bram@vim.org> parents: 4531 diff changeset	2709 else
4537 5cc98a5898cf updated for version 7.3.1016 Bram Moolenaar <bram@vim.org> parents: 4535 diff changeset	2710 ga_concat(indent, (char_u *)" ");
4533 6a2005efa02b updated for version 7.3.1014 Bram Moolenaar <bram@vim.org> parents: 4531 diff changeset	2711 ga_append(indent, '\0');
6a2005efa02b updated for version 7.3.1014 Bram Moolenaar <bram@vim.org> parents: 4531 diff changeset	2712
6a2005efa02b updated for version 7.3.1014 Bram Moolenaar <bram@vim.org> parents: 4531 diff changeset	2713 nfa_print_state2(debugf, state->out, indent);
6a2005efa02b updated for version 7.3.1014 Bram Moolenaar <bram@vim.org> parents: 4531 diff changeset	2714
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	2715 // 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	2716 indent->ga_len -= 3;
4537 5cc98a5898cf updated for version 7.3.1016 Bram Moolenaar <bram@vim.org> parents: 4535 diff changeset	2717 ga_concat(indent, (char_u *)" ");
4533 6a2005efa02b updated for version 7.3.1014 Bram Moolenaar <bram@vim.org> parents: 4531 diff changeset	2718 ga_append(indent, '\0');
6a2005efa02b updated for version 7.3.1014 Bram Moolenaar <bram@vim.org> parents: 4531 diff changeset	2719
6a2005efa02b updated for version 7.3.1014 Bram Moolenaar <bram@vim.org> parents: 4531 diff changeset	2720 nfa_print_state2(debugf, state->out1, indent);
6a2005efa02b updated for version 7.3.1014 Bram Moolenaar <bram@vim.org> parents: 4531 diff changeset	2721
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	2722 // shrink indent
4533 6a2005efa02b updated for version 7.3.1014 Bram Moolenaar <bram@vim.org> parents: 4531 diff changeset	2723 indent->ga_len -= 3;
6a2005efa02b updated for version 7.3.1014 Bram Moolenaar <bram@vim.org> parents: 4531 diff changeset	2724 ga_append(indent, '\0');
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2725 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2726
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 * Print the NFA state machine.
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2729 */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2730 static void
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	2731 nfa_dump(nfa_regprog_T *prog)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2732 {
4531 1be43c095aff updated for version 7.3.1013 Bram Moolenaar <bram@vim.org> parents: 4529 diff changeset	2733 FILE *debugf = fopen(NFA_REGEXP_DUMP_LOG, "a");
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2734
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2735 if (debugf != NULL)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2736 {
4533 6a2005efa02b updated for version 7.3.1014 Bram Moolenaar <bram@vim.org> parents: 4531 diff changeset	2737 nfa_print_state(debugf, prog->start);
4772 03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	2738
4805 66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	2739 if (prog->reganch)
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	2740 fprintf(debugf, "reganch: %d\n", prog->reganch);
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	2741 if (prog->regstart != NUL)
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	2742 fprintf(debugf, "regstart: %c (decimal: %d)\n",
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	2743 prog->regstart, prog->regstart);
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	2744 if (prog->match_text != NULL)
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	2745 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	2746
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2747 fclose(debugf);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2748 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2749 }
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	2750 #endif // ENABLE_LOG
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	2751 #endif // DEBUG
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2752
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2753 /*
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2754 * 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	2755 * Return the postfix string on success, NULL otherwise.
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2756 */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2757 static int *
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	2758 re2post(void)
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 if (nfa_reg(REG_NOPAREN) == FAIL)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2761 return NULL;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2762 EMIT(NFA_MOPEN);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2763 return post_start;
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
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	2766 // 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	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 * 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	2770 * if c == MATCH, no arrows out; matching state.
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2771 * 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	2772 * 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	2773 */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2774
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	2775 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	2776
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2777 /*
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2778 * Allocate and initialize nfa_state_T.
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 static nfa_state_T *
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	2781 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	2782 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2783 nfa_state_T *s;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2784
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2785 if (istate >= nstate)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2786 return NULL;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2787
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2788 s = &state_ptr[istate++];
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2789
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2790 s->c = c;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2791 s->out = out;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2792 s->out1 = out1;
4781 c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	2793 s->val = 0;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2794
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2795 s->id = istate;
4718 ec72bb4a0fc2 updated for version 7.3.1106 Bram Moolenaar <bram@vim.org> parents: 4716 diff changeset	2796 s->lastlist[0] = 0;
ec72bb4a0fc2 updated for version 7.3.1106 Bram Moolenaar <bram@vim.org> parents: 4716 diff changeset	2797 s->lastlist[1] = 0;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2798
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2799 return s;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2800 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2801
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 * 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	2804 * Frag_T.start points at the start state.
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2805 * 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	2806 * next state for this fragment.
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2807 */
4555 b2946c06d1b6 updated for version 7.3.1025 Bram Moolenaar <bram@vim.org> parents: 4553 diff changeset	2808
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	2809 // 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	2810 // 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	2811 // as storage for the Ptrlists.
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2812 typedef union Ptrlist Ptrlist;
4555 b2946c06d1b6 updated for version 7.3.1025 Bram Moolenaar <bram@vim.org> parents: 4553 diff changeset	2813 union Ptrlist
b2946c06d1b6 updated for version 7.3.1025 Bram Moolenaar <bram@vim.org> parents: 4553 diff changeset	2814 {
b2946c06d1b6 updated for version 7.3.1025 Bram Moolenaar <bram@vim.org> parents: 4553 diff changeset	2815 Ptrlist *next;
b2946c06d1b6 updated for version 7.3.1025 Bram Moolenaar <bram@vim.org> parents: 4553 diff changeset	2816 nfa_state_T *s;
b2946c06d1b6 updated for version 7.3.1025 Bram Moolenaar <bram@vim.org> parents: 4553 diff changeset	2817 };
b2946c06d1b6 updated for version 7.3.1025 Bram Moolenaar <bram@vim.org> parents: 4553 diff changeset	2818
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2819 struct Frag
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2820 {
4555 b2946c06d1b6 updated for version 7.3.1025 Bram Moolenaar <bram@vim.org> parents: 4553 diff changeset	2821 nfa_state_T *start;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2822 Ptrlist *out;
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 typedef struct Frag Frag_T;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2825
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2826 /*
4456 015a8fabf900 updated for version 7.3.976 Bram Moolenaar <bram@vim.org> parents: 4454 diff changeset	2827 * Initialize a Frag_T struct and return it.
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2828 */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2829 static Frag_T
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	2830 frag(nfa_state_T start, Ptrlist out)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2831 {
4456 015a8fabf900 updated for version 7.3.976 Bram Moolenaar <bram@vim.org> parents: 4454 diff changeset	2832 Frag_T n;
015a8fabf900 updated for version 7.3.976 Bram Moolenaar <bram@vim.org> parents: 4454 diff changeset	2833
015a8fabf900 updated for version 7.3.976 Bram Moolenaar <bram@vim.org> parents: 4454 diff changeset	2834 n.start = start;
015a8fabf900 updated for version 7.3.976 Bram Moolenaar <bram@vim.org> parents: 4454 diff changeset	2835 n.out = out;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2836 return n;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2837 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2838
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2839 /*
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2840 * Create singleton list containing just outp.
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2841 */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2842 static Ptrlist *
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	2843 list1(
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	2844 nfa_state_T **outp)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2845 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2846 Ptrlist *l;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2847
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2848 l = (Ptrlist *)outp;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2849 l->next = NULL;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2850 return l;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2851 }
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 /*
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2854 * 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	2855 */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2856 static void
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	2857 patch(Ptrlist l, nfa_state_T s)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2858 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2859 Ptrlist *next;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2860
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2861 for (; l; l = next)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2862 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2863 next = l->next;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2864 l->s = s;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2865 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2866 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2867
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2868
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2869 /*
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2870 * 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	2871 */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2872 static Ptrlist *
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	2873 append(Ptrlist l1, Ptrlist l2)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2874 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2875 Ptrlist *oldl1;
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 oldl1 = l1;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2878 while (l1->next)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2879 l1 = l1->next;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2880 l1->next = l2;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2881 return oldl1;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2882 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2883
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 * Stack used for transforming postfix form into NFA.
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2886 */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2887 static Frag_T empty;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2888
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2889 static void
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	2890 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	2891 {
4531 1be43c095aff updated for version 7.3.1013 Bram Moolenaar <bram@vim.org> parents: 4529 diff changeset	2892 #ifdef NFA_REGEXP_ERROR_LOG
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2893 FILE *df;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2894 int *p2;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2895
4531 1be43c095aff updated for version 7.3.1013 Bram Moolenaar <bram@vim.org> parents: 4529 diff changeset	2896 df = fopen(NFA_REGEXP_ERROR_LOG, "a");
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2897 if (df)
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 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	2900 # ifdef DEBUG
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2901 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	2902 # endif
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2903 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	2904 # ifdef DEBUG
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2905 for (p2 = postfix; p2 < end; p2++)
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 nfa_set_code(*p2);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2908 fprintf(df, "%s, ", code);
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 nfa_set_code(*p);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2911 fprintf(df, "\nCurrent position is: ");
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2912 for (p2 = postfix; p2 <= p; p2 ++)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2913 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2914 nfa_set_code(*p2);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2915 fprintf(df, "%s, ", code);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2916 }
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	2917 # else
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2918 for (p2 = postfix; p2 < end; p2++)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2919 fprintf(df, "%d, ", *p2);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2920 fprintf(df, "\nCurrent position is: ");
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2921 for (p2 = postfix; p2 <= p; p2 ++)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2922 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	2923 # endif
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2924 fprintf(df, "\n--------------------------\n");
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2925 fclose(df);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2926 }
4531 1be43c095aff updated for version 7.3.1013 Bram Moolenaar <bram@vim.org> parents: 4529 diff changeset	2927 #endif
15470 55ccc2d353bd patch 8.1.0743: giving error messages is not flexible Bram Moolenaar <Bram@vim.org> parents: 15265 diff changeset	2928 emsg(_("E874: (NFA) Could not pop the stack!"));
4444 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
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2931 /*
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2932 * Push an item onto the stack.
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2933 */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2934 static void
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	2935 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	2936 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2937 Frag_T stackp = p;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2938
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2939 if (stackp >= stack_end)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2940 return;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2941 *stackp = s;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2942 p = p + 1;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2943 }
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 /*
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2946 * Pop an item from the stack.
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2947 */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2948 static Frag_T
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	2949 st_pop(Frag_T *p, Frag_T stack)
4444 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 Frag_T *stackp;
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 p = p - 1;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2954 stackp = *p;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2955 if (stackp < stack)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2956 return empty;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2957 return **p;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2958 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2959
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2960 /*
4807 3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	2961 * 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	2962 * When unknown or unlimited return -1.
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	2963 */
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	2964 static int
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	2965 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	2966 {
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	2967 int l, r;
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	2968 nfa_state_T *state = startstate;
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	2969 int len = 0;
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	2970
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	2971 // detect looping in a NFA_SPLIT
4807 3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	2972 if (depth > 4)
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	2973 return -1;
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	2974
4958 0a379dea13c9 updated for version 7.3.1224 Bram Moolenaar <bram@vim.org> parents: 4944 diff changeset	2975 while (state != NULL)
4807 3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	2976 {
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	2977 switch (state->c)
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	2978 {
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	2979 case NFA_END_INVISIBLE:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	2980 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	2981 // the end, return what we have
4807 3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	2982 return len;
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	2983
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	2984 case NFA_SPLIT:
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	2985 // two alternatives, use the maximum
4807 3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	2986 l = nfa_max_width(state->out, depth + 1);
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	2987 r = nfa_max_width(state->out1, depth + 1);
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	2988 if (l < 0 \|\| r < 0)
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	2989 return -1;
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	2990 return len + (l > r ? l : r);
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	2991
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	2992 case NFA_ANY:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	2993 case NFA_START_COLL:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	2994 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	2995 // matches some character, including composing chars
4807 3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	2996 if (enc_utf8)
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	2997 len += MB_MAXBYTES;
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	2998 else if (has_mbyte)
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	2999 len += 2;
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3000 else
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3001 ++len;
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3002 if (state->c != NFA_ANY)
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3003 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3004 // skip over the characters
4807 3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3005 state = state->out1->out;
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3006 continue;
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3007 }
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3008 break;
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3009
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3010 case NFA_DIGIT:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3011 case NFA_WHITE:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3012 case NFA_HEX:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3013 case NFA_OCTAL:
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3014 // ascii
4807 3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3015 ++len;
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3016 break;
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3017
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3018 case NFA_IDENT:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3019 case NFA_SIDENT:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3020 case NFA_KWORD:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3021 case NFA_SKWORD:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3022 case NFA_FNAME:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3023 case NFA_SFNAME:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3024 case NFA_PRINT:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3025 case NFA_SPRINT:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3026 case NFA_NWHITE:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3027 case NFA_NDIGIT:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3028 case NFA_NHEX:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3029 case NFA_NOCTAL:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3030 case NFA_WORD:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3031 case NFA_NWORD:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3032 case NFA_HEAD:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3033 case NFA_NHEAD:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3034 case NFA_ALPHA:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3035 case NFA_NALPHA:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3036 case NFA_LOWER:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3037 case NFA_NLOWER:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3038 case NFA_UPPER:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3039 case NFA_NUPPER:
5296 3e9107b86b68 updated for version 7.4.001 Bram Moolenaar <bram@vim.org> parents: 5255 diff changeset	3040 case NFA_LOWER_IC:
3e9107b86b68 updated for version 7.4.001 Bram Moolenaar <bram@vim.org> parents: 5255 diff changeset	3041 case NFA_NLOWER_IC:
3e9107b86b68 updated for version 7.4.001 Bram Moolenaar <bram@vim.org> parents: 5255 diff changeset	3042 case NFA_UPPER_IC:
3e9107b86b68 updated for version 7.4.001 Bram Moolenaar <bram@vim.org> parents: 5255 diff changeset	3043 case NFA_NUPPER_IC:
5901 10fc95f48546 updated for version 7.4.293 Bram Moolenaar <bram@vim.org> parents: 5895 diff changeset	3044 case NFA_ANY_COMPOSING:
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3045 // possibly non-ascii
4807 3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3046 if (has_mbyte)
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3047 len += 3;
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3048 else
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3049 ++len;
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3050 break;
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3051
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3052 case NFA_START_INVISIBLE:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3053 case NFA_START_INVISIBLE_NEG:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3054 case NFA_START_INVISIBLE_BEFORE:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3055 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	3056 // 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	3057 state = state->out1->out;
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3058 continue;
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3059
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3060 case NFA_BACKREF1:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3061 case NFA_BACKREF2:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3062 case NFA_BACKREF3:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3063 case NFA_BACKREF4:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3064 case NFA_BACKREF5:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3065 case NFA_BACKREF6:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3066 case NFA_BACKREF7:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3067 case NFA_BACKREF8:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3068 case NFA_BACKREF9:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3069 #ifdef FEAT_SYN_HL
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3070 case NFA_ZREF1:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3071 case NFA_ZREF2:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3072 case NFA_ZREF3:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3073 case NFA_ZREF4:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3074 case NFA_ZREF5:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3075 case NFA_ZREF6:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3076 case NFA_ZREF7:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3077 case NFA_ZREF8:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3078 case NFA_ZREF9:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3079 #endif
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3080 case NFA_NEWL:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3081 case NFA_SKIP:
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3082 // unknown width
4807 3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3083 return -1;
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3084
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3085 case NFA_BOL:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3086 case NFA_EOL:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3087 case NFA_BOF:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3088 case NFA_EOF:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3089 case NFA_BOW:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3090 case NFA_EOW:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3091 case NFA_MOPEN:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3092 case NFA_MOPEN1:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3093 case NFA_MOPEN2:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3094 case NFA_MOPEN3:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3095 case NFA_MOPEN4:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3096 case NFA_MOPEN5:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3097 case NFA_MOPEN6:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3098 case NFA_MOPEN7:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3099 case NFA_MOPEN8:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3100 case NFA_MOPEN9:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3101 #ifdef FEAT_SYN_HL
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3102 case NFA_ZOPEN:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3103 case NFA_ZOPEN1:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3104 case NFA_ZOPEN2:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3105 case NFA_ZOPEN3:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3106 case NFA_ZOPEN4:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3107 case NFA_ZOPEN5:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3108 case NFA_ZOPEN6:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3109 case NFA_ZOPEN7:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3110 case NFA_ZOPEN8:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3111 case NFA_ZOPEN9:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3112 case NFA_ZCLOSE:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3113 case NFA_ZCLOSE1:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3114 case NFA_ZCLOSE2:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3115 case NFA_ZCLOSE3:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3116 case NFA_ZCLOSE4:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3117 case NFA_ZCLOSE5:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3118 case NFA_ZCLOSE6:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3119 case NFA_ZCLOSE7:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3120 case NFA_ZCLOSE8:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3121 case NFA_ZCLOSE9:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3122 #endif
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3123 case NFA_MCLOSE:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3124 case NFA_MCLOSE1:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3125 case NFA_MCLOSE2:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3126 case NFA_MCLOSE3:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3127 case NFA_MCLOSE4:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3128 case NFA_MCLOSE5:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3129 case NFA_MCLOSE6:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3130 case NFA_MCLOSE7:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3131 case NFA_MCLOSE8:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3132 case NFA_MCLOSE9:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3133 case NFA_NOPEN:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3134 case NFA_NCLOSE:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3135
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3136 case NFA_LNUM_GT:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3137 case NFA_LNUM_LT:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3138 case NFA_COL_GT:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3139 case NFA_COL_LT:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3140 case NFA_VCOL_GT:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3141 case NFA_VCOL_LT:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3142 case NFA_MARK_GT:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3143 case NFA_MARK_LT:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3144 case NFA_VISUAL:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3145 case NFA_LNUM:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3146 case NFA_CURSOR:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3147 case NFA_COL:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3148 case NFA_VCOL:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3149 case NFA_MARK:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3150
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3151 case NFA_ZSTART:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3152 case NFA_ZEND:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3153 case NFA_OPT_CHARS:
5370 90e2f0729a0d updated for version 7.4.036 Bram Moolenaar <bram@vim.org> parents: 5360 diff changeset	3154 case NFA_EMPTY:
4807 3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3155 case NFA_START_PATTERN:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3156 case NFA_END_PATTERN:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3157 case NFA_COMPOSING:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3158 case NFA_END_COMPOSING:
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3159 // zero-width
4807 3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3160 break;
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3161
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3162 default:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3163 if (state->c < 0)
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3164 // don't know what this is
4807 3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3165 return -1;
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3166 // normal character
4807 3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3167 len += MB_CHAR2LEN(state->c);
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3168 break;
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3169 }
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3170
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3171 // normal way to continue
4807 3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3172 state = state->out;
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3173 }
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3174
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3175 // unrecognized, "cannot happen"
4807 3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3176 return -1;
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3177 }
4809 4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	3178
4807 3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3179 /*
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3180 * Convert a postfix form into its equivalent NFA.
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3181 * Return the NFA start state on success, NULL otherwise.
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3182 */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3183 static nfa_state_T *
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	3184 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	3185 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3186 int *p;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3187 int mopen;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3188 int mclose;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3189 Frag_T *stack = NULL;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3190 Frag_T *stackp = NULL;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3191 Frag_T *stack_end = NULL;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3192 Frag_T e1;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3193 Frag_T e2;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3194 Frag_T e;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3195 nfa_state_T *s;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3196 nfa_state_T *s1;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3197 nfa_state_T *matchstate;
4484 9a1d78f82826 updated for version 7.3.990 Bram Moolenaar <bram@vim.org> parents: 4482 diff changeset	3198 nfa_state_T *ret = NULL;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3199
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3200 if (postfix == NULL)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3201 return NULL;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3202
4456 015a8fabf900 updated for version 7.3.976 Bram Moolenaar <bram@vim.org> parents: 4454 diff changeset	3203 #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	3204 #define POP() st_pop(&stackp, stack); \
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3205 if (stackp < stack) \
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3206 { \
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3207 st_error(postfix, end, p); \
6747 4c4c8a53347b patch 7.4.696 Bram Moolenaar <bram@vim.org> parents: 6653 diff changeset	3208 vim_free(stack); \
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3209 return NULL; \
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3210 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3211
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3212 if (nfa_calc_size == FALSE)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3213 {
18498 9e6d5a4abb1c patch 8.1.2243: typos in comments Bram Moolenaar <Bram@vim.org> parents: 16825 diff changeset	3214 // 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	3215 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	3216 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	3217 return NULL;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3218 stackp = stack;
4462 a63361b90979 updated for version 7.3.979 Bram Moolenaar <bram@vim.org> parents: 4460 diff changeset	3219 stack_end = stack + (nstate + 1);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3220 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3221
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3222 for (p = postfix; p < end; ++p)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3223 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3224 switch (*p)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3225 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3226 case NFA_CONCAT:
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3227 // Concatenation.
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3228 // 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	3229 // (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	3230 // to postfix form in re2post().
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3231 if (nfa_calc_size == TRUE)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3232 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3233 // nstate += 0;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3234 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3235 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3236 e2 = POP();
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3237 e1 = POP();
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3238 patch(e1.out, e2.start);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3239 PUSH(frag(e1.start, e2.out));
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3240 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3241
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3242 case NFA_OR:
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3243 // Alternation
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3244 if (nfa_calc_size == TRUE)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3245 {
4458 21e13403140a updated for version 7.3.977 Bram Moolenaar <bram@vim.org> parents: 4456 diff changeset	3246 nstate++;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3247 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3248 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3249 e2 = POP();
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3250 e1 = POP();
4696 ed4e689bbea1 updated for version 7.3.1095 Bram Moolenaar <bram@vim.org> parents: 4694 diff changeset	3251 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	3252 if (s == NULL)
4484 9a1d78f82826 updated for version 7.3.990 Bram Moolenaar <bram@vim.org> parents: 4482 diff changeset	3253 goto theend;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3254 PUSH(frag(s, append(e1.out, e2.out)));
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3255 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3256
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3257 case NFA_STAR:
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3258 // Zero or more, prefer more
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3259 if (nfa_calc_size == TRUE)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3260 {
4458 21e13403140a updated for version 7.3.977 Bram Moolenaar <bram@vim.org> parents: 4456 diff changeset	3261 nstate++;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3262 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3263 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3264 e = POP();
4696 ed4e689bbea1 updated for version 7.3.1095 Bram Moolenaar <bram@vim.org> parents: 4694 diff changeset	3265 s = alloc_state(NFA_SPLIT, e.start, NULL);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3266 if (s == NULL)
4484 9a1d78f82826 updated for version 7.3.990 Bram Moolenaar <bram@vim.org> parents: 4482 diff changeset	3267 goto theend;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3268 patch(e.out, s);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3269 PUSH(frag(s, list1(&s->out1)));
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3270 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3271
4675 811a4c9b51d8 updated for version 7.3.1085 Bram Moolenaar <bram@vim.org> parents: 4673 diff changeset	3272 case NFA_STAR_NONGREEDY:
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3273 // Zero or more, prefer zero
4675 811a4c9b51d8 updated for version 7.3.1085 Bram Moolenaar <bram@vim.org> parents: 4673 diff changeset	3274 if (nfa_calc_size == TRUE)
811a4c9b51d8 updated for version 7.3.1085 Bram Moolenaar <bram@vim.org> parents: 4673 diff changeset	3275 {
811a4c9b51d8 updated for version 7.3.1085 Bram Moolenaar <bram@vim.org> parents: 4673 diff changeset	3276 nstate++;
811a4c9b51d8 updated for version 7.3.1085 Bram Moolenaar <bram@vim.org> parents: 4673 diff changeset	3277 break;
811a4c9b51d8 updated for version 7.3.1085 Bram Moolenaar <bram@vim.org> parents: 4673 diff changeset	3278 }
811a4c9b51d8 updated for version 7.3.1085 Bram Moolenaar <bram@vim.org> parents: 4673 diff changeset	3279 e = POP();
4696 ed4e689bbea1 updated for version 7.3.1095 Bram Moolenaar <bram@vim.org> parents: 4694 diff changeset	3280 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	3281 if (s == NULL)
811a4c9b51d8 updated for version 7.3.1085 Bram Moolenaar <bram@vim.org> parents: 4673 diff changeset	3282 goto theend;
811a4c9b51d8 updated for version 7.3.1085 Bram Moolenaar <bram@vim.org> parents: 4673 diff changeset	3283 patch(e.out, s);
811a4c9b51d8 updated for version 7.3.1085 Bram Moolenaar <bram@vim.org> parents: 4673 diff changeset	3284 PUSH(frag(s, list1(&s->out)));
811a4c9b51d8 updated for version 7.3.1085 Bram Moolenaar <bram@vim.org> parents: 4673 diff changeset	3285 break;
811a4c9b51d8 updated for version 7.3.1085 Bram Moolenaar <bram@vim.org> parents: 4673 diff changeset	3286
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3287 case NFA_QUEST:
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3288 // one or zero atoms=> greedy match
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3289 if (nfa_calc_size == TRUE)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3290 {
4458 21e13403140a updated for version 7.3.977 Bram Moolenaar <bram@vim.org> parents: 4456 diff changeset	3291 nstate++;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3292 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3293 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3294 e = POP();
4696 ed4e689bbea1 updated for version 7.3.1095 Bram Moolenaar <bram@vim.org> parents: 4694 diff changeset	3295 s = alloc_state(NFA_SPLIT, e.start, NULL);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3296 if (s == NULL)
4484 9a1d78f82826 updated for version 7.3.990 Bram Moolenaar <bram@vim.org> parents: 4482 diff changeset	3297 goto theend;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3298 PUSH(frag(s, append(e.out, list1(&s->out1))));
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3299 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3300
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3301 case NFA_QUEST_NONGREEDY:
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3302 // zero or one atoms => non-greedy match
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3303 if (nfa_calc_size == TRUE)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3304 {
4458 21e13403140a updated for version 7.3.977 Bram Moolenaar <bram@vim.org> parents: 4456 diff changeset	3305 nstate++;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3306 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3307 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3308 e = POP();
4696 ed4e689bbea1 updated for version 7.3.1095 Bram Moolenaar <bram@vim.org> parents: 4694 diff changeset	3309 s = alloc_state(NFA_SPLIT, NULL, e.start);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3310 if (s == NULL)
4484 9a1d78f82826 updated for version 7.3.990 Bram Moolenaar <bram@vim.org> parents: 4482 diff changeset	3311 goto theend;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3312 PUSH(frag(s, append(e.out, list1(&s->out))));
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3313 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3314
4781 c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	3315 case NFA_END_COLL:
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	3316 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	3317 // 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	3318 // 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	3319 // add the output to the start.
4781 c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	3320 if (nfa_calc_size == TRUE)
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	3321 {
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	3322 nstate++;
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	3323 break;
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	3324 }
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	3325 e = POP();
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	3326 s = alloc_state(NFA_END_COLL, NULL, NULL);
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	3327 if (s == NULL)
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	3328 goto theend;
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	3329 patch(e.out, s);
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	3330 e.start->out1 = s;
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	3331 PUSH(frag(e.start, list1(&s->out)));
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	3332 break;
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	3333
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	3334 case NFA_RANGE:
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3335 // 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	3336 // 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	3337 if (nfa_calc_size == TRUE)
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	3338 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3339 // nstate += 0;
4781 c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	3340 break;
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	3341 }
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	3342 e2 = POP();
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	3343 e1 = POP();
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	3344 e2.start->val = e2.start->c;
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	3345 e2.start->c = NFA_RANGE_MAX;
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	3346 e1.start->val = e1.start->c;
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	3347 e1.start->c = NFA_RANGE_MIN;
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	3348 patch(e1.out, e2.start);
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	3349 PUSH(frag(e1.start, e2.out));
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	3350 break;
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	3351
5370 90e2f0729a0d updated for version 7.4.036 Bram Moolenaar <bram@vim.org> parents: 5360 diff changeset	3352 case NFA_EMPTY:
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3353 // 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	3354 if (nfa_calc_size == TRUE)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3355 {
4458 21e13403140a updated for version 7.3.977 Bram Moolenaar <bram@vim.org> parents: 4456 diff changeset	3356 nstate++;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3357 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3358 }
5370 90e2f0729a0d updated for version 7.4.036 Bram Moolenaar <bram@vim.org> parents: 5360 diff changeset	3359 s = alloc_state(NFA_EMPTY, NULL, NULL);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3360 if (s == NULL)
4484 9a1d78f82826 updated for version 7.3.990 Bram Moolenaar <bram@vim.org> parents: 4482 diff changeset	3361 goto theend;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3362 PUSH(frag(s, list1(&s->out)));
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3363 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3364
4740 97560c16ca99 updated for version 7.3.1117 Bram Moolenaar <bram@vim.org> parents: 4738 diff changeset	3365 case NFA_OPT_CHARS:
97560c16ca99 updated for version 7.3.1117 Bram Moolenaar <bram@vim.org> parents: 4738 diff changeset	3366 {
97560c16ca99 updated for version 7.3.1117 Bram Moolenaar <bram@vim.org> parents: 4738 diff changeset	3367 int n;
97560c16ca99 updated for version 7.3.1117 Bram Moolenaar <bram@vim.org> parents: 4738 diff changeset	3368
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3369 // \%[abc] implemented as:
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3370 // NFA_SPLIT
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3371 // +-CHAR(a)
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3372 // \| +-NFA_SPLIT
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3373 // \| +-CHAR(b)
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3374 // \| \| +-NFA_SPLIT
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3375 // \| \| +-CHAR(c)
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3376 // \| \| \| +-next
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3377 // \| \| +- next
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3378 // \| +- next
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3379 // +- next
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3380 n = *++p; // get number of characters
4740 97560c16ca99 updated for version 7.3.1117 Bram Moolenaar <bram@vim.org> parents: 4738 diff changeset	3381 if (nfa_calc_size == TRUE)
97560c16ca99 updated for version 7.3.1117 Bram Moolenaar <bram@vim.org> parents: 4738 diff changeset	3382 {
97560c16ca99 updated for version 7.3.1117 Bram Moolenaar <bram@vim.org> parents: 4738 diff changeset	3383 nstate += n;
97560c16ca99 updated for version 7.3.1117 Bram Moolenaar <bram@vim.org> parents: 4738 diff changeset	3384 break;
97560c16ca99 updated for version 7.3.1117 Bram Moolenaar <bram@vim.org> parents: 4738 diff changeset	3385 }
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3386 s = NULL; // avoid compiler warning
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3387 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	3388 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	3389 while (n-- > 0)
97560c16ca99 updated for version 7.3.1117 Bram Moolenaar <bram@vim.org> parents: 4738 diff changeset	3390 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3391 e = POP(); // get character
4740 97560c16ca99 updated for version 7.3.1117 Bram Moolenaar <bram@vim.org> parents: 4738 diff changeset	3392 s = alloc_state(NFA_SPLIT, e.start, NULL);
97560c16ca99 updated for version 7.3.1117 Bram Moolenaar <bram@vim.org> parents: 4738 diff changeset	3393 if (s == NULL)
97560c16ca99 updated for version 7.3.1117 Bram Moolenaar <bram@vim.org> parents: 4738 diff changeset	3394 goto theend;
97560c16ca99 updated for version 7.3.1117 Bram Moolenaar <bram@vim.org> parents: 4738 diff changeset	3395 if (e1.out == NULL)
97560c16ca99 updated for version 7.3.1117 Bram Moolenaar <bram@vim.org> parents: 4738 diff changeset	3396 e1 = e;
97560c16ca99 updated for version 7.3.1117 Bram Moolenaar <bram@vim.org> parents: 4738 diff changeset	3397 patch(e.out, s1);
97560c16ca99 updated for version 7.3.1117 Bram Moolenaar <bram@vim.org> parents: 4738 diff changeset	3398 append(e1.out, list1(&s->out1));
97560c16ca99 updated for version 7.3.1117 Bram Moolenaar <bram@vim.org> parents: 4738 diff changeset	3399 s1 = s;
97560c16ca99 updated for version 7.3.1117 Bram Moolenaar <bram@vim.org> parents: 4738 diff changeset	3400 }
97560c16ca99 updated for version 7.3.1117 Bram Moolenaar <bram@vim.org> parents: 4738 diff changeset	3401 PUSH(frag(s, e1.out));
97560c16ca99 updated for version 7.3.1117 Bram Moolenaar <bram@vim.org> parents: 4738 diff changeset	3402 break;
97560c16ca99 updated for version 7.3.1117 Bram Moolenaar <bram@vim.org> parents: 4738 diff changeset	3403 }
97560c16ca99 updated for version 7.3.1117 Bram Moolenaar <bram@vim.org> parents: 4738 diff changeset	3404
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3405 case NFA_PREV_ATOM_NO_WIDTH:
4661 0dce3d812e7a updated for version 7.3.1078 Bram Moolenaar <bram@vim.org> parents: 4657 diff changeset	3406 case NFA_PREV_ATOM_NO_WIDTH_NEG:
4682 2f51ee8825db updated for version 7.3.1088 Bram Moolenaar <bram@vim.org> parents: 4679 diff changeset	3407 case NFA_PREV_ATOM_JUST_BEFORE:
2f51ee8825db updated for version 7.3.1088 Bram Moolenaar <bram@vim.org> parents: 4679 diff changeset	3408 case NFA_PREV_ATOM_JUST_BEFORE_NEG:
4750 7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	3409 case NFA_PREV_ATOM_LIKE_PATTERN:
4740 97560c16ca99 updated for version 7.3.1117 Bram Moolenaar <bram@vim.org> parents: 4738 diff changeset	3410 {
97560c16ca99 updated for version 7.3.1117 Bram Moolenaar <bram@vim.org> parents: 4738 diff changeset	3411 int before = (*p == NFA_PREV_ATOM_JUST_BEFORE
97560c16ca99 updated for version 7.3.1117 Bram Moolenaar <bram@vim.org> parents: 4738 diff changeset	3412 \|\| *p == NFA_PREV_ATOM_JUST_BEFORE_NEG);
4750 7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	3413 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	3414 int start_state;
3b5a023a4543 updated for version 7.3.1139 Bram Moolenaar <bram@vim.org> parents: 4783 diff changeset	3415 int end_state;
4750 7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	3416 int n = 0;
7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	3417 nfa_state_T *zend;
7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	3418 nfa_state_T *skip;
7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	3419
4785 3b5a023a4543 updated for version 7.3.1139 Bram Moolenaar <bram@vim.org> parents: 4783 diff changeset	3420 switch (*p)
4750 7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	3421 {
4785 3b5a023a4543 updated for version 7.3.1139 Bram Moolenaar <bram@vim.org> parents: 4783 diff changeset	3422 case NFA_PREV_ATOM_NO_WIDTH:
3b5a023a4543 updated for version 7.3.1139 Bram Moolenaar <bram@vim.org> parents: 4783 diff changeset	3423 start_state = NFA_START_INVISIBLE;
3b5a023a4543 updated for version 7.3.1139 Bram Moolenaar <bram@vim.org> parents: 4783 diff changeset	3424 end_state = NFA_END_INVISIBLE;
3b5a023a4543 updated for version 7.3.1139 Bram Moolenaar <bram@vim.org> parents: 4783 diff changeset	3425 break;
3b5a023a4543 updated for version 7.3.1139 Bram Moolenaar <bram@vim.org> parents: 4783 diff changeset	3426 case NFA_PREV_ATOM_NO_WIDTH_NEG:
3b5a023a4543 updated for version 7.3.1139 Bram Moolenaar <bram@vim.org> parents: 4783 diff changeset	3427 start_state = NFA_START_INVISIBLE_NEG;
3b5a023a4543 updated for version 7.3.1139 Bram Moolenaar <bram@vim.org> parents: 4783 diff changeset	3428 end_state = NFA_END_INVISIBLE_NEG;
3b5a023a4543 updated for version 7.3.1139 Bram Moolenaar <bram@vim.org> parents: 4783 diff changeset	3429 break;
3b5a023a4543 updated for version 7.3.1139 Bram Moolenaar <bram@vim.org> parents: 4783 diff changeset	3430 case NFA_PREV_ATOM_JUST_BEFORE:
3b5a023a4543 updated for version 7.3.1139 Bram Moolenaar <bram@vim.org> parents: 4783 diff changeset	3431 start_state = NFA_START_INVISIBLE_BEFORE;
3b5a023a4543 updated for version 7.3.1139 Bram Moolenaar <bram@vim.org> parents: 4783 diff changeset	3432 end_state = NFA_END_INVISIBLE;
3b5a023a4543 updated for version 7.3.1139 Bram Moolenaar <bram@vim.org> parents: 4783 diff changeset	3433 break;
3b5a023a4543 updated for version 7.3.1139 Bram Moolenaar <bram@vim.org> parents: 4783 diff changeset	3434 case NFA_PREV_ATOM_JUST_BEFORE_NEG:
3b5a023a4543 updated for version 7.3.1139 Bram Moolenaar <bram@vim.org> parents: 4783 diff changeset	3435 start_state = NFA_START_INVISIBLE_BEFORE_NEG;
3b5a023a4543 updated for version 7.3.1139 Bram Moolenaar <bram@vim.org> parents: 4783 diff changeset	3436 end_state = NFA_END_INVISIBLE_NEG;
3b5a023a4543 updated for version 7.3.1139 Bram Moolenaar <bram@vim.org> parents: 4783 diff changeset	3437 break;
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3438 default: // NFA_PREV_ATOM_LIKE_PATTERN:
4785 3b5a023a4543 updated for version 7.3.1139 Bram Moolenaar <bram@vim.org> parents: 4783 diff changeset	3439 start_state = NFA_START_PATTERN;
3b5a023a4543 updated for version 7.3.1139 Bram Moolenaar <bram@vim.org> parents: 4783 diff changeset	3440 end_state = NFA_END_PATTERN;
3b5a023a4543 updated for version 7.3.1139 Bram Moolenaar <bram@vim.org> parents: 4783 diff changeset	3441 break;
4750 7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	3442 }
4740 97560c16ca99 updated for version 7.3.1117 Bram Moolenaar <bram@vim.org> parents: 4738 diff changeset	3443
97560c16ca99 updated for version 7.3.1117 Bram Moolenaar <bram@vim.org> parents: 4738 diff changeset	3444 if (before)
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3445 n = *++p; // get the count
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3446
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3447 // 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	3448 // 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	3449 // 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	3450 // 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	3451 // 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	3452 // END_INVISIBLE, similarly to MOPEN.
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3453
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3454 if (nfa_calc_size == TRUE)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3455 {
4750 7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	3456 nstate += pattern ? 4 : 2;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3457 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3458 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3459 e = POP();
4750 7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	3460 s1 = alloc_state(end_state, NULL, NULL);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3461 if (s1 == NULL)
4484 9a1d78f82826 updated for version 7.3.990 Bram Moolenaar <bram@vim.org> parents: 4482 diff changeset	3462 goto theend;
4750 7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	3463
7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	3464 s = alloc_state(start_state, e.start, s1);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3465 if (s == NULL)
4484 9a1d78f82826 updated for version 7.3.990 Bram Moolenaar <bram@vim.org> parents: 4482 diff changeset	3466 goto theend;
4750 7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	3467 if (pattern)
4682 2f51ee8825db updated for version 7.3.1088 Bram Moolenaar <bram@vim.org> parents: 4679 diff changeset	3468 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3469 // 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	3470 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	3471 if (skip == NULL)
a941848d8c44 patch 8.0.0828: Coverity: may dereference NULL pointer Christian Brabandt <cb@256bit.org> parents: 11525 diff changeset	3472 goto theend;
4750 7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	3473 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	3474 if (zend == NULL)
a941848d8c44 patch 8.0.0828: Coverity: may dereference NULL pointer Christian Brabandt <cb@256bit.org> parents: 11525 diff changeset	3475 goto theend;
4750 7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	3476 s1->out= skip;
7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	3477 patch(e.out, zend);
7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	3478 PUSH(frag(s, list1(&skip->out)));
4682 2f51ee8825db updated for version 7.3.1088 Bram Moolenaar <bram@vim.org> parents: 4679 diff changeset	3479 }
4750 7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	3480 else
7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	3481 {
7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	3482 patch(e.out, s1);
7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	3483 PUSH(frag(s, list1(&s1->out)));
4807 3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3484 if (before)
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3485 {
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3486 if (n <= 0)
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3487 // 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	3488 // lot of pointless tries.
4807 3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3489 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	3490 s->val = n; // store the count
4807 3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3491 }
4750 7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	3492 }
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3493 break;
4740 97560c16ca99 updated for version 7.3.1117 Bram Moolenaar <bram@vim.org> parents: 4738 diff changeset	3494 }
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3495
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3496 case NFA_COMPOSING: // char with composing char
4527 55bcaa1d2749 updated for version 7.3.1011 Bram Moolenaar <bram@vim.org> parents: 4525 diff changeset	3497 #if 0
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3498 // TODO
4527 55bcaa1d2749 updated for version 7.3.1011 Bram Moolenaar <bram@vim.org> parents: 4525 diff changeset	3499 if (regflags & RF_ICOMBINE)
55bcaa1d2749 updated for version 7.3.1011 Bram Moolenaar <bram@vim.org> parents: 4525 diff changeset	3500 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3501 // use the base character only
4527 55bcaa1d2749 updated for version 7.3.1011 Bram Moolenaar <bram@vim.org> parents: 4525 diff changeset	3502 }
55bcaa1d2749 updated for version 7.3.1011 Bram Moolenaar <bram@vim.org> parents: 4525 diff changeset	3503 #endif
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3504 // FALLTHROUGH
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3505
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3506 case NFA_MOPEN: // Submatch
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3507 case NFA_MOPEN1:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3508 case NFA_MOPEN2:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3509 case NFA_MOPEN3:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3510 case NFA_MOPEN4:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3511 case NFA_MOPEN5:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3512 case NFA_MOPEN6:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3513 case NFA_MOPEN7:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3514 case NFA_MOPEN8:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3515 case NFA_MOPEN9:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3516 #ifdef FEAT_SYN_HL
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3517 case NFA_ZOPEN: // \z( \) Submatch
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3518 case NFA_ZOPEN1:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3519 case NFA_ZOPEN2:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3520 case NFA_ZOPEN3:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3521 case NFA_ZOPEN4:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3522 case NFA_ZOPEN5:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3523 case NFA_ZOPEN6:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3524 case NFA_ZOPEN7:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3525 case NFA_ZOPEN8:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3526 case NFA_ZOPEN9:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3527 #endif
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3528 case NFA_NOPEN: // \%( \) "Invisible Submatch"
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3529 if (nfa_calc_size == TRUE)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3530 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3531 nstate += 2;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3532 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3533 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3534
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3535 mopen = *p;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3536 switch (*p)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3537 {
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3538 case NFA_NOPEN: mclose = NFA_NCLOSE; break;
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3539 #ifdef FEAT_SYN_HL
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3540 case NFA_ZOPEN: mclose = NFA_ZCLOSE; break;
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3541 case NFA_ZOPEN1: mclose = NFA_ZCLOSE1; break;
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3542 case NFA_ZOPEN2: mclose = NFA_ZCLOSE2; break;
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3543 case NFA_ZOPEN3: mclose = NFA_ZCLOSE3; break;
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3544 case NFA_ZOPEN4: mclose = NFA_ZCLOSE4; break;
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3545 case NFA_ZOPEN5: mclose = NFA_ZCLOSE5; break;
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3546 case NFA_ZOPEN6: mclose = NFA_ZCLOSE6; break;
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3547 case NFA_ZOPEN7: mclose = NFA_ZCLOSE7; break;
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3548 case NFA_ZOPEN8: mclose = NFA_ZCLOSE8; break;
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3549 case NFA_ZOPEN9: mclose = NFA_ZCLOSE9; break;
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3550 #endif
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3551 case NFA_COMPOSING: mclose = NFA_END_COMPOSING; break;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3552 default:
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3553 // NFA_MOPEN, NFA_MOPEN1 .. NFA_MOPEN9
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3554 mclose = *p + NSUBEXP;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3555 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3556 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3557
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3558 // 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	3559 // 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	3560 // 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	3561 // empty groups of parenthesis, and empty mbyte chars
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3562 if (stackp == stack)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3563 {
4696 ed4e689bbea1 updated for version 7.3.1095 Bram Moolenaar <bram@vim.org> parents: 4694 diff changeset	3564 s = alloc_state(mopen, NULL, NULL);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3565 if (s == NULL)
4484 9a1d78f82826 updated for version 7.3.990 Bram Moolenaar <bram@vim.org> parents: 4482 diff changeset	3566 goto theend;
4696 ed4e689bbea1 updated for version 7.3.1095 Bram Moolenaar <bram@vim.org> parents: 4694 diff changeset	3567 s1 = alloc_state(mclose, NULL, NULL);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3568 if (s1 == NULL)
4484 9a1d78f82826 updated for version 7.3.990 Bram Moolenaar <bram@vim.org> parents: 4482 diff changeset	3569 goto theend;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3570 patch(list1(&s->out), s1);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3571 PUSH(frag(s, list1(&s1->out)));
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3572 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3573 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3574
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3575 // 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	3576 // 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	3577 e = POP();
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3578 s = alloc_state(mopen, e.start, NULL); // `('
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3579 if (s == NULL)
4484 9a1d78f82826 updated for version 7.3.990 Bram Moolenaar <bram@vim.org> parents: 4482 diff changeset	3580 goto theend;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3581
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3582 s1 = alloc_state(mclose, NULL, NULL); // `)'
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3583 if (s1 == NULL)
4484 9a1d78f82826 updated for version 7.3.990 Bram Moolenaar <bram@vim.org> parents: 4482 diff changeset	3584 goto theend;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3585 patch(e.out, s1);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3586
4527 55bcaa1d2749 updated for version 7.3.1011 Bram Moolenaar <bram@vim.org> parents: 4525 diff changeset	3587 if (mopen == NFA_COMPOSING)
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3588 // COMPOSING->out1 = END_COMPOSING
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3589 patch(list1(&s->out1), s1);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3590
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3591 PUSH(frag(s, list1(&s1->out)));
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3592 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3593
4571 b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	3594 case NFA_BACKREF1:
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	3595 case NFA_BACKREF2:
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	3596 case NFA_BACKREF3:
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	3597 case NFA_BACKREF4:
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	3598 case NFA_BACKREF5:
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	3599 case NFA_BACKREF6:
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	3600 case NFA_BACKREF7:
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	3601 case NFA_BACKREF8:
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	3602 case NFA_BACKREF9:
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3603 #ifdef FEAT_SYN_HL
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3604 case NFA_ZREF1:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3605 case NFA_ZREF2:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3606 case NFA_ZREF3:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3607 case NFA_ZREF4:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3608 case NFA_ZREF5:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3609 case NFA_ZREF6:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3610 case NFA_ZREF7:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3611 case NFA_ZREF8:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3612 case NFA_ZREF9:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3613 #endif
4571 b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	3614 if (nfa_calc_size == TRUE)
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	3615 {
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	3616 nstate += 2;
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	3617 break;
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	3618 }
4696 ed4e689bbea1 updated for version 7.3.1095 Bram Moolenaar <bram@vim.org> parents: 4694 diff changeset	3619 s = alloc_state(*p, NULL, NULL);
4571 b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	3620 if (s == NULL)
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	3621 goto theend;
4696 ed4e689bbea1 updated for version 7.3.1095 Bram Moolenaar <bram@vim.org> parents: 4694 diff changeset	3622 s1 = alloc_state(NFA_SKIP, NULL, NULL);
4571 b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	3623 if (s1 == NULL)
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	3624 goto theend;
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	3625 patch(list1(&s->out), s1);
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	3626 PUSH(frag(s, list1(&s1->out)));
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	3627 break;
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	3628
4583 321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	3629 case NFA_LNUM:
321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	3630 case NFA_LNUM_GT:
321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	3631 case NFA_LNUM_LT:
321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	3632 case NFA_VCOL:
321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	3633 case NFA_VCOL_GT:
321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	3634 case NFA_VCOL_LT:
321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	3635 case NFA_COL:
321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	3636 case NFA_COL_GT:
321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	3637 case NFA_COL_LT:
4732 0798b096bab3 updated for version 7.3.1113 Bram Moolenaar <bram@vim.org> parents: 4730 diff changeset	3638 case NFA_MARK:
0798b096bab3 updated for version 7.3.1113 Bram Moolenaar <bram@vim.org> parents: 4730 diff changeset	3639 case NFA_MARK_GT:
0798b096bab3 updated for version 7.3.1113 Bram Moolenaar <bram@vim.org> parents: 4730 diff changeset	3640 case NFA_MARK_LT:
4740 97560c16ca99 updated for version 7.3.1117 Bram Moolenaar <bram@vim.org> parents: 4738 diff changeset	3641 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3642 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	3643
4583 321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	3644 if (nfa_calc_size == TRUE)
321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	3645 {
321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	3646 nstate += 1;
321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	3647 break;
321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	3648 }
4740 97560c16ca99 updated for version 7.3.1117 Bram Moolenaar <bram@vim.org> parents: 4738 diff changeset	3649 s = alloc_state(p[-1], NULL, NULL);
4583 321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	3650 if (s == NULL)
321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	3651 goto theend;
4740 97560c16ca99 updated for version 7.3.1117 Bram Moolenaar <bram@vim.org> parents: 4738 diff changeset	3652 s->val = n;
4583 321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	3653 PUSH(frag(s, list1(&s->out)));
321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	3654 break;
4740 97560c16ca99 updated for version 7.3.1117 Bram Moolenaar <bram@vim.org> parents: 4738 diff changeset	3655 }
4583 321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	3656
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3657 case NFA_ZSTART:
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3658 case NFA_ZEND:
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3659 default:
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3660 // Operands
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3661 if (nfa_calc_size == TRUE)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3662 {
4458 21e13403140a updated for version 7.3.977 Bram Moolenaar <bram@vim.org> parents: 4456 diff changeset	3663 nstate++;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3664 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3665 }
4696 ed4e689bbea1 updated for version 7.3.1095 Bram Moolenaar <bram@vim.org> parents: 4694 diff changeset	3666 s = alloc_state(*p, NULL, NULL);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3667 if (s == NULL)
4484 9a1d78f82826 updated for version 7.3.990 Bram Moolenaar <bram@vim.org> parents: 4482 diff changeset	3668 goto theend;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3669 PUSH(frag(s, list1(&s->out)));
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3670 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3671
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3672 } // switch(*p)
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3673
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3674 } // for(p = postfix; *p; ++p)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3675
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3676 if (nfa_calc_size == TRUE)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3677 {
4458 21e13403140a updated for version 7.3.977 Bram Moolenaar <bram@vim.org> parents: 4456 diff changeset	3678 nstate++;
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3679 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	3680 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3681
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3682 e = POP();
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3683 if (stackp != stack)
6747 4c4c8a53347b patch 7.4.696 Bram Moolenaar <bram@vim.org> parents: 6653 diff changeset	3684 {
4c4c8a53347b patch 7.4.696 Bram Moolenaar <bram@vim.org> parents: 6653 diff changeset	3685 vim_free(stack);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3686 EMSG_RET_NULL(_("E875: (NFA regexp) (While converting from postfix to NFA), too many states left on stack"));
6747 4c4c8a53347b patch 7.4.696 Bram Moolenaar <bram@vim.org> parents: 6653 diff changeset	3687 }
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3688
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3689 if (istate >= nstate)
6747 4c4c8a53347b patch 7.4.696 Bram Moolenaar <bram@vim.org> parents: 6653 diff changeset	3690 {
4c4c8a53347b patch 7.4.696 Bram Moolenaar <bram@vim.org> parents: 6653 diff changeset	3691 vim_free(stack);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3692 EMSG_RET_NULL(_("E876: (NFA regexp) Not enough space to store the whole NFA "));
6747 4c4c8a53347b patch 7.4.696 Bram Moolenaar <bram@vim.org> parents: 6653 diff changeset	3693 }
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3694
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3695 matchstate = &state_ptr[istate++]; // the match state
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3696 matchstate->c = NFA_MATCH;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3697 matchstate->out = matchstate->out1 = NULL;
4781 c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	3698 matchstate->id = 0;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3699
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3700 patch(e.out, matchstate);
4484 9a1d78f82826 updated for version 7.3.990 Bram Moolenaar <bram@vim.org> parents: 4482 diff changeset	3701 ret = e.start;
9a1d78f82826 updated for version 7.3.990 Bram Moolenaar <bram@vim.org> parents: 4482 diff changeset	3702
9a1d78f82826 updated for version 7.3.990 Bram Moolenaar <bram@vim.org> parents: 4482 diff changeset	3703 theend:
9a1d78f82826 updated for version 7.3.990 Bram Moolenaar <bram@vim.org> parents: 4482 diff changeset	3704 vim_free(stack);
9a1d78f82826 updated for version 7.3.990 Bram Moolenaar <bram@vim.org> parents: 4482 diff changeset	3705 return ret;
4444 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 #undef POP1
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3708 #undef PUSH1
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3709 #undef POP2
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3710 #undef PUSH2
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3711 #undef POP
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3712 #undef PUSH
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3713 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3714
4845 a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	3715 /*
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	3716 * 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	3717 */
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	3718 static void
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	3719 nfa_postprocess(nfa_regprog_T *prog)
4845 a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	3720 {
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	3721 int i;
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	3722 int c;
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	3723
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	3724 for (i = 0; i < prog->nstate; ++i)
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	3725 {
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	3726 c = prog->state[i].c;
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	3727 if (c == NFA_START_INVISIBLE
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	3728 \|\| c == NFA_START_INVISIBLE_NEG
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	3729 \|\| c == NFA_START_INVISIBLE_BEFORE
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	3730 \|\| c == NFA_START_INVISIBLE_BEFORE_NEG)
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	3731 {
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	3732 int directly;
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	3733
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3734 // 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	3735 // match.
4845 a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	3736 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	3737 directly = TRUE;
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	3738 else
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	3739 {
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	3740 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	3741 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	3742
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3743 // 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	3744 // lower chance of failing.
4845 a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	3745 if (c == NFA_START_INVISIBLE_BEFORE
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	3746 \|\| c == NFA_START_INVISIBLE_BEFORE_NEG)
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	3747 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3748 // "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	3749 // 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	3750 // 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	3751 // Otherwise strongly prefer what follows.
4845 a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	3752 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	3753 directly = FALSE;
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	3754 else
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	3755 directly = ch_follows * 10 < ch_invisible;
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	3756 }
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	3757 else
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	3758 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3759 // 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	3760 // highest failure chance
4845 a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	3761 directly = ch_follows < ch_invisible;
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	3762 }
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	3763 }
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	3764 if (directly)
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3765 // switch to the _FIRST state
4845 a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	3766 ++prog->state[i].c;
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	3767 }
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	3768 }
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	3769 }
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	3770
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3771 /////////////////////////////////////////////////////////////////
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3772 // NFA execution code.
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3773 /////////////////////////////////////////////////////////////////
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3774
4563 e7016af0cbf9 updated for version 7.3.1029 Bram Moolenaar <bram@vim.org> parents: 4561 diff changeset	3775 typedef struct
e7016af0cbf9 updated for version 7.3.1029 Bram Moolenaar <bram@vim.org> parents: 4561 diff changeset	3776 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3777 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	3778
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3779 // 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	3780 union
e7016af0cbf9 updated for version 7.3.1029 Bram Moolenaar <bram@vim.org> parents: 4561 diff changeset	3781 {
e7016af0cbf9 updated for version 7.3.1029 Bram Moolenaar <bram@vim.org> parents: 4561 diff changeset	3782 struct multipos
e7016af0cbf9 updated for version 7.3.1029 Bram Moolenaar <bram@vim.org> parents: 4561 diff changeset	3783 {
6547 436d6c9e57f2 updated for version 7.4.600 Bram Moolenaar <bram@vim.org> parents: 6545 diff changeset	3784 linenr_T start_lnum;
436d6c9e57f2 updated for version 7.4.600 Bram Moolenaar <bram@vim.org> parents: 6545 diff changeset	3785 linenr_T end_lnum;
436d6c9e57f2 updated for version 7.4.600 Bram Moolenaar <bram@vim.org> parents: 6545 diff changeset	3786 colnr_T start_col;
436d6c9e57f2 updated for version 7.4.600 Bram Moolenaar <bram@vim.org> parents: 6545 diff changeset	3787 colnr_T end_col;
4577 b22bff1a6af8 updated for version 7.3.1036 Bram Moolenaar <bram@vim.org> parents: 4573 diff changeset	3788 } multi[NSUBEXP];
4563 e7016af0cbf9 updated for version 7.3.1029 Bram Moolenaar <bram@vim.org> parents: 4561 diff changeset	3789 struct linepos
e7016af0cbf9 updated for version 7.3.1029 Bram Moolenaar <bram@vim.org> parents: 4561 diff changeset	3790 {
e7016af0cbf9 updated for version 7.3.1029 Bram Moolenaar <bram@vim.org> parents: 4561 diff changeset	3791 char_u *start;
e7016af0cbf9 updated for version 7.3.1029 Bram Moolenaar <bram@vim.org> parents: 4561 diff changeset	3792 char_u *end;
4577 b22bff1a6af8 updated for version 7.3.1036 Bram Moolenaar <bram@vim.org> parents: 4573 diff changeset	3793 } line[NSUBEXP];
b22bff1a6af8 updated for version 7.3.1036 Bram Moolenaar <bram@vim.org> parents: 4573 diff changeset	3794 } list;
4563 e7016af0cbf9 updated for version 7.3.1029 Bram Moolenaar <bram@vim.org> parents: 4561 diff changeset	3795 } regsub_T;
e7016af0cbf9 updated for version 7.3.1029 Bram Moolenaar <bram@vim.org> parents: 4561 diff changeset	3796
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3797 typedef struct
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3798 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3799 regsub_T norm; // $ .. $ matches
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3800 #ifdef FEAT_SYN_HL
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3801 regsub_T synt; // \z( .. \) matches
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3802 #endif
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3803 } regsubs_T;
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3804
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3805 // 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	3806 typedef struct nfa_pim_S nfa_pim_T;
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	3807 struct nfa_pim_S
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	3808 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3809 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	3810 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	3811 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	3812 union
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	3813 {
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	3814 lpos_T pos;
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	3815 char_u *ptr;
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3816 } end; // where the match must end
4726 3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	3817 };
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	3818
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3819 // 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	3820 #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	3821 #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	3822 #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	3823 #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	3824
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3825
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3826 // 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	3827 typedef struct
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3828 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3829 nfa_state_T *state;
4571 b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	3830 int count;
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3831 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	3832 // invisible match
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3833 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	3834 } nfa_thread_T;
532c2e850256 updated for version 7.3.1017 Bram Moolenaar <bram@vim.org> parents: 4537 diff changeset	3835
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3836 // 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	3837 typedef struct
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3838 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3839 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	3840 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	3841 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	3842 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	3843 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	3844 } nfa_list_T;
532c2e850256 updated for version 7.3.1017 Bram Moolenaar <bram@vim.org> parents: 4537 diff changeset	3845
4571 b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	3846 #ifdef ENABLE_LOG
7805 0b6c37dd858d commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077 Christian Brabandt <cb@256bit.org> parents: 7258 diff changeset	3847 static void log_subexpr(regsub_T *sub);
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3848
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3849 static void
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	3850 log_subsexpr(regsubs_T *subs)
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3851 {
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3852 log_subexpr(&subs->norm);
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3853 # 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	3854 if (rex.nfa_has_zsubexpr)
4770 b20dbf3a5370 updated for version 7.3.1132 Bram Moolenaar <bram@vim.org> parents: 4768 diff changeset	3855 log_subexpr(&subs->synt);
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3856 # endif
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3857 }
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3858
4571 b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	3859 static void
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	3860 log_subexpr(regsub_T *sub)
4571 b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	3861 {
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	3862 int j;
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	3863
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	3864 for (j = 0; j < sub->in_use; j++)
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	3865 if (REG_MULTI)
4750 7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	3866 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	3867 j,
6547 436d6c9e57f2 updated for version 7.4.600 Bram Moolenaar <bram@vim.org> parents: 6545 diff changeset	3868 sub->list.multi[j].start_col,
436d6c9e57f2 updated for version 7.4.600 Bram Moolenaar <bram@vim.org> parents: 6545 diff changeset	3869 (int)sub->list.multi[j].start_lnum,
436d6c9e57f2 updated for version 7.4.600 Bram Moolenaar <bram@vim.org> parents: 6545 diff changeset	3870 sub->list.multi[j].end_col,
436d6c9e57f2 updated for version 7.4.600 Bram Moolenaar <bram@vim.org> parents: 6545 diff changeset	3871 (int)sub->list.multi[j].end_lnum);
4571 b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	3872 else
4746 d1376091d18b updated for version 7.3.1120 Bram Moolenaar <bram@vim.org> parents: 4744 diff changeset	3873 {
d1376091d18b updated for version 7.3.1120 Bram Moolenaar <bram@vim.org> parents: 4744 diff changeset	3874 char s = (char )sub->list.line[j].start;
d1376091d18b updated for version 7.3.1120 Bram Moolenaar <bram@vim.org> parents: 4744 diff changeset	3875 char e = (char )sub->list.line[j].end;
d1376091d18b updated for version 7.3.1120 Bram Moolenaar <bram@vim.org> parents: 4744 diff changeset	3876
4750 7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	3877 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	3878 j,
4746 d1376091d18b updated for version 7.3.1120 Bram Moolenaar <bram@vim.org> parents: 4744 diff changeset	3879 s == NULL ? "NULL" : s,
d1376091d18b updated for version 7.3.1120 Bram Moolenaar <bram@vim.org> parents: 4744 diff changeset	3880 e == NULL ? "NULL" : e);
d1376091d18b updated for version 7.3.1120 Bram Moolenaar <bram@vim.org> parents: 4744 diff changeset	3881 }
4571 b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	3882 }
4813 bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	3883
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	3884 static char *
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	3885 pim_info(nfa_pim_T *pim)
4813 bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	3886 {
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	3887 static char buf[30];
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	3888
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	3889 if (pim == NULL \|\| pim->result == NFA_PIM_UNUSED)
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	3890 buf[0] = NUL;
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	3891 else
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	3892 {
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	3893 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	3894 : (int)(pim->end.ptr - rex.input));
4813 bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	3895 }
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	3896 return buf;
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	3897 }
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	3898
4571 b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	3899 #endif
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	3900
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3901 // 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	3902 static int nfa_match;
6573 ffba266e064d updated for version 7.4.613 Bram Moolenaar <bram@vim.org> parents: 6547 diff changeset	3903 #ifdef FEAT_RELTIME
ffba266e064d updated for version 7.4.613 Bram Moolenaar <bram@vim.org> parents: 6547 diff changeset	3904 static proftime_T *nfa_time_limit;
11521 578df034735d patch 8.0.0643: when a pattern search is slow Vim becomes unusable Christian Brabandt <cb@256bit.org> parents: 11480 diff changeset	3905 static int *nfa_timed_out;
13192 9bd4151e5aeb patch 8.0.1470: integer overflow when using regexp pattern Christian Brabandt <cb@256bit.org> parents: 13043 diff changeset	3906 static int nfa_time_count;
6573 ffba266e064d updated for version 7.4.613 Bram Moolenaar <bram@vim.org> parents: 6547 diff changeset	3907 #endif
4561 4d81fdda8f35 updated for version 7.3.1028 Bram Moolenaar <bram@vim.org> parents: 4559 diff changeset	3908
7805 0b6c37dd858d commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077 Christian Brabandt <cb@256bit.org> parents: 7258 diff changeset	3909 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	3910 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	3911
4813 bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	3912 /*
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	3913 * 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	3914 */
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	3915 static void
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	3916 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	3917 {
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	3918 to->result = from->result;
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	3919 to->state = from->state;
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	3920 copy_sub(&to->subs.norm, &from->subs.norm);
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	3921 #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	3922 if (rex.nfa_has_zsubexpr)
4813 bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	3923 copy_sub(&to->subs.synt, &from->subs.synt);
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	3924 #endif
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	3925 to->end = from->end;
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	3926 }
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	3927
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3928 static void
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	3929 clear_sub(regsub_T *sub)
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3930 {
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3931 if (REG_MULTI)
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3932 // Use 0xff to set lnum to -1
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3933 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	3934 sizeof(struct multipos) * rex.nfa_nsubexpr);
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3935 else
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	3936 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	3937 sizeof(struct linepos) * rex.nfa_nsubexpr);
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3938 sub->in_use = 0;
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3939 }
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3940
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3941 /*
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3942 * Copy the submatches from "from" to "to".
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3943 */
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3944 static void
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	3945 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	3946 {
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3947 to->in_use = from->in_use;
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3948 if (from->in_use > 0)
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3949 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3950 // Copy the match start and end positions.
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3951 if (REG_MULTI)
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3952 mch_memmove(&to->list.multi[0],
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3953 &from->list.multi[0],
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3954 sizeof(struct multipos) * from->in_use);
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3955 else
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3956 mch_memmove(&to->list.line[0],
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3957 &from->list.line[0],
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3958 sizeof(struct linepos) * from->in_use);
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3959 }
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3960 }
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3961
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3962 /*
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3963 * Like copy_sub() but exclude the main match.
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3964 */
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3965 static void
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	3966 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	3967 {
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3968 if (to->in_use < from->in_use)
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3969 to->in_use = from->in_use;
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3970 if (from->in_use > 1)
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3971 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3972 // Copy the match start and end positions.
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3973 if (REG_MULTI)
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3974 mch_memmove(&to->list.multi[1],
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3975 &from->list.multi[1],
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3976 sizeof(struct multipos) * (from->in_use - 1));
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3977 else
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3978 mch_memmove(&to->list.line[1],
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3979 &from->list.line[1],
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3980 sizeof(struct linepos) * (from->in_use - 1));
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3981 }
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3982 }
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3983
4647 857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	3984 /*
5372 c3d379c2a115 updated for version 7.4.037 Bram Moolenaar <bram@vim.org> parents: 5370 diff changeset	3985 * 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	3986 */
c3d379c2a115 updated for version 7.4.037 Bram Moolenaar <bram@vim.org> parents: 5370 diff changeset	3987 static void
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	3988 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	3989 {
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	3990 if (rex.nfa_has_zend)
5372 c3d379c2a115 updated for version 7.4.037 Bram Moolenaar <bram@vim.org> parents: 5370 diff changeset	3991 {
c3d379c2a115 updated for version 7.4.037 Bram Moolenaar <bram@vim.org> parents: 5370 diff changeset	3992 if (REG_MULTI)
c3d379c2a115 updated for version 7.4.037 Bram Moolenaar <bram@vim.org> parents: 5370 diff changeset	3993 {
6547 436d6c9e57f2 updated for version 7.4.600 Bram Moolenaar <bram@vim.org> parents: 6545 diff changeset	3994 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	3995 {
6547 436d6c9e57f2 updated for version 7.4.600 Bram Moolenaar <bram@vim.org> parents: 6545 diff changeset	3996 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	3997 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	3998 }
5372 c3d379c2a115 updated for version 7.4.037 Bram Moolenaar <bram@vim.org> parents: 5370 diff changeset	3999 }
c3d379c2a115 updated for version 7.4.037 Bram Moolenaar <bram@vim.org> parents: 5370 diff changeset	4000 else
c3d379c2a115 updated for version 7.4.037 Bram Moolenaar <bram@vim.org> parents: 5370 diff changeset	4001 {
c3d379c2a115 updated for version 7.4.037 Bram Moolenaar <bram@vim.org> parents: 5370 diff changeset	4002 if (from->list.line[0].end != NULL)
c3d379c2a115 updated for version 7.4.037 Bram Moolenaar <bram@vim.org> parents: 5370 diff changeset	4003 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	4004 }
c3d379c2a115 updated for version 7.4.037 Bram Moolenaar <bram@vim.org> parents: 5370 diff changeset	4005 }
c3d379c2a115 updated for version 7.4.037 Bram Moolenaar <bram@vim.org> parents: 5370 diff changeset	4006 }
c3d379c2a115 updated for version 7.4.037 Bram Moolenaar <bram@vim.org> parents: 5370 diff changeset	4007
c3d379c2a115 updated for version 7.4.037 Bram Moolenaar <bram@vim.org> parents: 5370 diff changeset	4008 /*
4893 07b9c48a30e9 updated for version 7.3.1192 Bram Moolenaar <bram@vim.org> parents: 4891 diff changeset	4009 * 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	4010 * 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	4011 */
857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	4012 static int
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	4013 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	4014 {
857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	4015 int i;
857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	4016 int todo;
4893 07b9c48a30e9 updated for version 7.3.1192 Bram Moolenaar <bram@vim.org> parents: 4891 diff changeset	4017 linenr_T s1;
07b9c48a30e9 updated for version 7.3.1192 Bram Moolenaar <bram@vim.org> parents: 4891 diff changeset	4018 linenr_T s2;
07b9c48a30e9 updated for version 7.3.1192 Bram Moolenaar <bram@vim.org> parents: 4891 diff changeset	4019 char_u *sp1;
07b9c48a30e9 updated for version 7.3.1192 Bram Moolenaar <bram@vim.org> parents: 4891 diff changeset	4020 char_u *sp2;
4647 857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	4021
857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	4022 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	4023 if (REG_MULTI)
857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	4024 {
857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	4025 for (i = 0; i < todo; ++i)
857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	4026 {
857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	4027 if (i < sub1->in_use)
6547 436d6c9e57f2 updated for version 7.4.600 Bram Moolenaar <bram@vim.org> parents: 6545 diff changeset	4028 s1 = sub1->list.multi[i].start_lnum;
4647 857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	4029 else
5006 f451d60ab8ec updated for version 7.3.1247 Bram Moolenaar <bram@vim.org> parents: 4997 diff changeset	4030 s1 = -1;
4647 857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	4031 if (i < sub2->in_use)
6547 436d6c9e57f2 updated for version 7.4.600 Bram Moolenaar <bram@vim.org> parents: 6545 diff changeset	4032 s2 = sub2->list.multi[i].start_lnum;
4647 857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	4033 else
5006 f451d60ab8ec updated for version 7.3.1247 Bram Moolenaar <bram@vim.org> parents: 4997 diff changeset	4034 s2 = -1;
4893 07b9c48a30e9 updated for version 7.3.1192 Bram Moolenaar <bram@vim.org> parents: 4891 diff changeset	4035 if (s1 != s2)
4647 857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	4036 return FALSE;
6547 436d6c9e57f2 updated for version 7.4.600 Bram Moolenaar <bram@vim.org> parents: 6545 diff changeset	4037 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	4038 != sub2->list.multi[i].start_col)
4647 857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	4039 return FALSE;
5893 99374096a76b updated for version 7.4.289 Bram Moolenaar <bram@vim.org> parents: 5838 diff changeset	4040
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	4041 if (rex.nfa_has_backref)
5893 99374096a76b updated for version 7.4.289 Bram Moolenaar <bram@vim.org> parents: 5838 diff changeset	4042 {
99374096a76b updated for version 7.4.289 Bram Moolenaar <bram@vim.org> parents: 5838 diff changeset	4043 if (i < sub1->in_use)
6547 436d6c9e57f2 updated for version 7.4.600 Bram Moolenaar <bram@vim.org> parents: 6545 diff changeset	4044 s1 = sub1->list.multi[i].end_lnum;
5893 99374096a76b updated for version 7.4.289 Bram Moolenaar <bram@vim.org> parents: 5838 diff changeset	4045 else
99374096a76b updated for version 7.4.289 Bram Moolenaar <bram@vim.org> parents: 5838 diff changeset	4046 s1 = -1;
99374096a76b updated for version 7.4.289 Bram Moolenaar <bram@vim.org> parents: 5838 diff changeset	4047 if (i < sub2->in_use)
6547 436d6c9e57f2 updated for version 7.4.600 Bram Moolenaar <bram@vim.org> parents: 6545 diff changeset	4048 s2 = sub2->list.multi[i].end_lnum;
5893 99374096a76b updated for version 7.4.289 Bram Moolenaar <bram@vim.org> parents: 5838 diff changeset	4049 else
99374096a76b updated for version 7.4.289 Bram Moolenaar <bram@vim.org> parents: 5838 diff changeset	4050 s2 = -1;
99374096a76b updated for version 7.4.289 Bram Moolenaar <bram@vim.org> parents: 5838 diff changeset	4051 if (s1 != s2)
99374096a76b updated for version 7.4.289 Bram Moolenaar <bram@vim.org> parents: 5838 diff changeset	4052 return FALSE;
6547 436d6c9e57f2 updated for version 7.4.600 Bram Moolenaar <bram@vim.org> parents: 6545 diff changeset	4053 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	4054 != sub2->list.multi[i].end_col)
5893 99374096a76b updated for version 7.4.289 Bram Moolenaar <bram@vim.org> parents: 5838 diff changeset	4055 return FALSE;
99374096a76b updated for version 7.4.289 Bram Moolenaar <bram@vim.org> parents: 5838 diff changeset	4056 }
4647 857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	4057 }
857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	4058 }
857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	4059 else
857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	4060 {
857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	4061 for (i = 0; i < todo; ++i)
857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	4062 {
857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	4063 if (i < sub1->in_use)
857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	4064 sp1 = sub1->list.line[i].start;
857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	4065 else
857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	4066 sp1 = NULL;
857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	4067 if (i < sub2->in_use)
857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	4068 sp2 = sub2->list.line[i].start;
857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	4069 else
857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	4070 sp2 = NULL;
4893 07b9c48a30e9 updated for version 7.3.1192 Bram Moolenaar <bram@vim.org> parents: 4891 diff changeset	4071 if (sp1 != sp2)
4647 857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	4072 return FALSE;
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	4073 if (rex.nfa_has_backref)
5893 99374096a76b updated for version 7.4.289 Bram Moolenaar <bram@vim.org> parents: 5838 diff changeset	4074 {
99374096a76b updated for version 7.4.289 Bram Moolenaar <bram@vim.org> parents: 5838 diff changeset	4075 if (i < sub1->in_use)
99374096a76b updated for version 7.4.289 Bram Moolenaar <bram@vim.org> parents: 5838 diff changeset	4076 sp1 = sub1->list.line[i].end;
99374096a76b updated for version 7.4.289 Bram Moolenaar <bram@vim.org> parents: 5838 diff changeset	4077 else
99374096a76b updated for version 7.4.289 Bram Moolenaar <bram@vim.org> parents: 5838 diff changeset	4078 sp1 = NULL;
99374096a76b updated for version 7.4.289 Bram Moolenaar <bram@vim.org> parents: 5838 diff changeset	4079 if (i < sub2->in_use)
99374096a76b updated for version 7.4.289 Bram Moolenaar <bram@vim.org> parents: 5838 diff changeset	4080 sp2 = sub2->list.line[i].end;
99374096a76b updated for version 7.4.289 Bram Moolenaar <bram@vim.org> parents: 5838 diff changeset	4081 else
99374096a76b updated for version 7.4.289 Bram Moolenaar <bram@vim.org> parents: 5838 diff changeset	4082 sp2 = NULL;
99374096a76b updated for version 7.4.289 Bram Moolenaar <bram@vim.org> parents: 5838 diff changeset	4083 if (sp1 != sp2)
99374096a76b updated for version 7.4.289 Bram Moolenaar <bram@vim.org> parents: 5838 diff changeset	4084 return FALSE;
99374096a76b updated for version 7.4.289 Bram Moolenaar <bram@vim.org> parents: 5838 diff changeset	4085 }
4647 857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	4086 }
857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	4087 }
857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	4088
857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	4089 return TRUE;
857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	4090 }
857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	4091
4712 832bf8136d86 updated for version 7.3.1103 Bram Moolenaar <bram@vim.org> parents: 4696 diff changeset	4092 #ifdef ENABLE_LOG
832bf8136d86 updated for version 7.3.1103 Bram Moolenaar <bram@vim.org> parents: 4696 diff changeset	4093 static void
4813 bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	4094 report_state(char *action,
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	4095 regsub_T *sub,
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	4096 nfa_state_T *state,
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	4097 int lid,
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	4098 nfa_pim_T *pim)
4712 832bf8136d86 updated for version 7.3.1103 Bram Moolenaar <bram@vim.org> parents: 4696 diff changeset	4099 {
832bf8136d86 updated for version 7.3.1103 Bram Moolenaar <bram@vim.org> parents: 4696 diff changeset	4100 int col;
832bf8136d86 updated for version 7.3.1103 Bram Moolenaar <bram@vim.org> parents: 4696 diff changeset	4101
832bf8136d86 updated for version 7.3.1103 Bram Moolenaar <bram@vim.org> parents: 4696 diff changeset	4102 if (sub->in_use <= 0)
832bf8136d86 updated for version 7.3.1103 Bram Moolenaar <bram@vim.org> parents: 4696 diff changeset	4103 col = -1;
832bf8136d86 updated for version 7.3.1103 Bram Moolenaar <bram@vim.org> parents: 4696 diff changeset	4104 else if (REG_MULTI)
6547 436d6c9e57f2 updated for version 7.4.600 Bram Moolenaar <bram@vim.org> parents: 6545 diff changeset	4105 col = sub->list.multi[0].start_col;
4712 832bf8136d86 updated for version 7.3.1103 Bram Moolenaar <bram@vim.org> parents: 4696 diff changeset	4106 else
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	4107 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	4108 nfa_set_code(state->c);
4813 bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	4109 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	4110 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	4111 pim_info(pim));
4712 832bf8136d86 updated for version 7.3.1103 Bram Moolenaar <bram@vim.org> parents: 4696 diff changeset	4112 }
832bf8136d86 updated for version 7.3.1103 Bram Moolenaar <bram@vim.org> parents: 4696 diff changeset	4113 #endif
832bf8136d86 updated for version 7.3.1103 Bram Moolenaar <bram@vim.org> parents: 4696 diff changeset	4114
4787 7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	4115 /*
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	4116 * 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	4117 * positions as "subs".
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	4118 */
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	4119 static int
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	4120 has_state_with_pos(
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	4121 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	4122 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	4123 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	4124 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	4125 {
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	4126 nfa_thread_T *thread;
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	4127 int i;
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	4128
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	4129 for (i = 0; i < l->n; ++i)
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	4130 {
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	4131 thread = &l->t[i];
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	4132 if (thread->state->id == state->id
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	4133 && sub_equal(&thread->subs.norm, &subs->norm)
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	4134 #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	4135 && (!rex.nfa_has_zsubexpr
4893 07b9c48a30e9 updated for version 7.3.1192 Bram Moolenaar <bram@vim.org> parents: 4891 diff changeset	4136 \|\| sub_equal(&thread->subs.synt, &subs->synt))
4787 7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	4137 #endif
5212 2741b46e96bf updated for version 7.4a.032 Bram Moolenaar <bram@vim.org> parents: 5210 diff changeset	4138 && pim_equal(&thread->pim, pim))
4787 7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	4139 return TRUE;
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	4140 }
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	4141 return FALSE;
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	4142 }
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	4143
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	4144 /*
5212 2741b46e96bf updated for version 7.4a.032 Bram Moolenaar <bram@vim.org> parents: 5210 diff changeset	4145 * 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	4146 * set.
2741b46e96bf updated for version 7.4a.032 Bram Moolenaar <bram@vim.org> parents: 5210 diff changeset	4147 */
2741b46e96bf updated for version 7.4a.032 Bram Moolenaar <bram@vim.org> parents: 5210 diff changeset	4148 static int
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	4149 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	4150 {
2741b46e96bf updated for version 7.4a.032 Bram Moolenaar <bram@vim.org> parents: 5210 diff changeset	4151 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	4152 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	4153
2741b46e96bf updated for version 7.4a.032 Bram Moolenaar <bram@vim.org> parents: 5210 diff changeset	4154 if (one_unused)
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	4155 // 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	4156 return two_unused;
2741b46e96bf updated for version 7.4a.032 Bram Moolenaar <bram@vim.org> parents: 5210 diff changeset	4157 if (two_unused)
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	4158 // 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	4159 return FALSE;
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	4160 // compare the state id
5298 e29f11399cce updated for version 7.4.002 Bram Moolenaar <bram@vim.org> parents: 5296 diff changeset	4161 if (one->state->id != two->state->id)
e29f11399cce updated for version 7.4.002 Bram Moolenaar <bram@vim.org> parents: 5296 diff changeset	4162 return FALSE;
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	4163 // compare the position
5212 2741b46e96bf updated for version 7.4a.032 Bram Moolenaar <bram@vim.org> parents: 5210 diff changeset	4164 if (REG_MULTI)
2741b46e96bf updated for version 7.4a.032 Bram Moolenaar <bram@vim.org> parents: 5210 diff changeset	4165 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	4166 && one->end.pos.col == two->end.pos.col;
2741b46e96bf updated for version 7.4a.032 Bram Moolenaar <bram@vim.org> parents: 5210 diff changeset	4167 return one->end.ptr == two->end.ptr;
2741b46e96bf updated for version 7.4a.032 Bram Moolenaar <bram@vim.org> parents: 5210 diff changeset	4168 }
2741b46e96bf updated for version 7.4a.032 Bram Moolenaar <bram@vim.org> parents: 5210 diff changeset	4169
2741b46e96bf updated for version 7.4a.032 Bram Moolenaar <bram@vim.org> parents: 5210 diff changeset	4170 /*
4809 4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4171 * 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	4172 */
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4173 static int
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	4174 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	4175 {
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4176 nfa_state_T *state = startstate;
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4177
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	4178 // avoid too much recursion
4809 4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4179 if (depth > 10)
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4180 return FALSE;
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4181
5184 c6dd0c545e5c updated for version 7.4a.018 Bram Moolenaar <bram@vim.org> parents: 5074 diff changeset	4182 while (state != NULL)
4809 4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4183 {
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4184 switch (state->c)
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4185 {
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4186 case NFA_MATCH:
4813 bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	4187 case NFA_MCLOSE:
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	4188 case NFA_END_INVISIBLE:
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	4189 case NFA_END_INVISIBLE_NEG:
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	4190 case NFA_END_PATTERN:
4809 4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4191 return TRUE;
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4192
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4193 case NFA_SPLIT:
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4194 return match_follows(state->out, depth + 1)
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4195 \|\| match_follows(state->out1, depth + 1);
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4196
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4197 case NFA_START_INVISIBLE:
4845 a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	4198 case NFA_START_INVISIBLE_FIRST:
4809 4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4199 case NFA_START_INVISIBLE_BEFORE:
4845 a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	4200 case NFA_START_INVISIBLE_BEFORE_FIRST:
4809 4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4201 case NFA_START_INVISIBLE_NEG:
4845 a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	4202 case NFA_START_INVISIBLE_NEG_FIRST:
4809 4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4203 case NFA_START_INVISIBLE_BEFORE_NEG:
4845 a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	4204 case NFA_START_INVISIBLE_BEFORE_NEG_FIRST:
4809 4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4205 case NFA_COMPOSING:
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	4206 // skip ahead to next state
4809 4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4207 state = state->out1->out;
5184 c6dd0c545e5c updated for version 7.4a.018 Bram Moolenaar <bram@vim.org> parents: 5074 diff changeset	4208 continue;
4809 4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4209
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4210 case NFA_ANY:
5901 10fc95f48546 updated for version 7.4.293 Bram Moolenaar <bram@vim.org> parents: 5895 diff changeset	4211 case NFA_ANY_COMPOSING:
4809 4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4212 case NFA_IDENT:
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4213 case NFA_SIDENT:
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4214 case NFA_KWORD:
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4215 case NFA_SKWORD:
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4216 case NFA_FNAME:
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4217 case NFA_SFNAME:
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4218 case NFA_PRINT:
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4219 case NFA_SPRINT:
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4220 case NFA_WHITE:
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4221 case NFA_NWHITE:
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4222 case NFA_DIGIT:
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4223 case NFA_NDIGIT:
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4224 case NFA_HEX:
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4225 case NFA_NHEX:
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4226 case NFA_OCTAL:
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4227 case NFA_NOCTAL:
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4228 case NFA_WORD:
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4229 case NFA_NWORD:
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4230 case NFA_HEAD:
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4231 case NFA_NHEAD:
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4232 case NFA_ALPHA:
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4233 case NFA_NALPHA:
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4234 case NFA_LOWER:
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4235 case NFA_NLOWER:
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4236 case NFA_UPPER:
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4237 case NFA_NUPPER:
5296 3e9107b86b68 updated for version 7.4.001 Bram Moolenaar <bram@vim.org> parents: 5255 diff changeset	4238 case NFA_LOWER_IC:
3e9107b86b68 updated for version 7.4.001 Bram Moolenaar <bram@vim.org> parents: 5255 diff changeset	4239 case NFA_NLOWER_IC:
3e9107b86b68 updated for version 7.4.001 Bram Moolenaar <bram@vim.org> parents: 5255 diff changeset	4240 case NFA_UPPER_IC:
3e9107b86b68 updated for version 7.4.001 Bram Moolenaar <bram@vim.org> parents: 5255 diff changeset	4241 case NFA_NUPPER_IC:
4809 4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4242 case NFA_START_COLL:
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4243 case NFA_START_NEG_COLL:
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4244 case NFA_NEWL:
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	4245 // state will advance input
4809 4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4246 return FALSE;
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4247
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4248 default:
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4249 if (state->c > 0)
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	4250 // state will advance input
4809 4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4251 return FALSE;
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4252
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	4253 // 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	4254 // 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	4255 break;
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4256 }
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4257 state = state->out;
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4258 }
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4259 return FALSE;
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4260 }
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4261
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4262
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4263 /*
4787 7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	4264 * 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	4265 */
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	4266 static int
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	4267 state_in_list(
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	4268 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	4269 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	4270 regsubs_T *subs) // pointers to subexpressions
4787 7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	4271 {
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	4272 if (state->lastlist[nfa_ll_index] == l->id)
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	4273 {
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	4274 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	4275 return TRUE;
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	4276 }
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	4277 return FALSE;
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	4278 }
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	4279
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	4280 // 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	4281 #define ADDSTATE_HERE_OFFSET 10
4acacf4081ce commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce Christian Brabandt <cb@256bit.org> parents: 10168 diff changeset	4282
5074 1cacf785299e updated for version 7.3.1280 Bram Moolenaar <bram@vim.org> parents: 5058 diff changeset	4283 /*
1cacf785299e updated for version 7.3.1280 Bram Moolenaar <bram@vim.org> parents: 5058 diff changeset	4284 * 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	4285 * Returns "subs_arg", possibly copied into temp_subs.
15796 481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	4286 * Returns NULL when recursiveness is too deep.
5074 1cacf785299e updated for version 7.3.1280 Bram Moolenaar <bram@vim.org> parents: 5058 diff changeset	4287 */
1cacf785299e updated for version 7.3.1280 Bram Moolenaar <bram@vim.org> parents: 5058 diff changeset	4288 static regsubs_T *
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	4289 addstate(
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	4290 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	4291 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	4292 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	4293 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	4294 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	4295 {
4561 4d81fdda8f35 updated for version 7.3.1028 Bram Moolenaar <bram@vim.org> parents: 4559 diff changeset	4296 int subidx;
10170 4acacf4081ce commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce Christian Brabandt <cb@256bit.org> parents: 10168 diff changeset	4297 int off = off_arg;
4acacf4081ce commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce Christian Brabandt <cb@256bit.org> parents: 10168 diff changeset	4298 int add_here = FALSE;
4acacf4081ce commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce Christian Brabandt <cb@256bit.org> parents: 10168 diff changeset	4299 int listindex = 0;
4acacf4081ce commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce Christian Brabandt <cb@256bit.org> parents: 10168 diff changeset	4300 int k;
4acacf4081ce commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce Christian Brabandt <cb@256bit.org> parents: 10168 diff changeset	4301 int found = FALSE;
4647 857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	4302 nfa_thread_T *thread;
10168 3c37899baa8d commit https://github.com/vim/vim/commit/d563883a1fb5ec6cf4a2758c5e36ac1ff4e9bb3d Christian Brabandt <cb@256bit.org> parents: 10042 diff changeset	4303 struct multipos save_multipos;
4563 e7016af0cbf9 updated for version 7.3.1029 Bram Moolenaar <bram@vim.org> parents: 4561 diff changeset	4304 int save_in_use;
4561 4d81fdda8f35 updated for version 7.3.1028 Bram Moolenaar <bram@vim.org> parents: 4559 diff changeset	4305 char_u *save_ptr;
4563 e7016af0cbf9 updated for version 7.3.1029 Bram Moolenaar <bram@vim.org> parents: 4561 diff changeset	4306 int i;
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4307 regsub_T *sub;
5074 1cacf785299e updated for version 7.3.1280 Bram Moolenaar <bram@vim.org> parents: 5058 diff changeset	4308 regsubs_T *subs = subs_arg;
1cacf785299e updated for version 7.3.1280 Bram Moolenaar <bram@vim.org> parents: 5058 diff changeset	4309 static regsubs_T temp_subs;
4657 93b7ed814bec updated for version 7.3.1076 Bram Moolenaar <bram@vim.org> parents: 4655 diff changeset	4310 #ifdef ENABLE_LOG
93b7ed814bec updated for version 7.3.1076 Bram Moolenaar <bram@vim.org> parents: 4655 diff changeset	4311 int did_print = FALSE;
93b7ed814bec updated for version 7.3.1076 Bram Moolenaar <bram@vim.org> parents: 4655 diff changeset	4312 #endif
15796 481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	4313 static int depth = 0;
481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	4314
481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	4315 // 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	4316 // 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	4317 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	4318 {
481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	4319 --depth;
481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	4320 return NULL;
481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	4321 }
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4322
10170 4acacf4081ce commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce Christian Brabandt <cb@256bit.org> parents: 10168 diff changeset	4323 if (off_arg <= -ADDSTATE_HERE_OFFSET)
4acacf4081ce commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce Christian Brabandt <cb@256bit.org> parents: 10168 diff changeset	4324 {
4acacf4081ce commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce Christian Brabandt <cb@256bit.org> parents: 10168 diff changeset	4325 add_here = TRUE;
4acacf4081ce commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce Christian Brabandt <cb@256bit.org> parents: 10168 diff changeset	4326 off = 0;
4acacf4081ce commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce Christian Brabandt <cb@256bit.org> parents: 10168 diff changeset	4327 listindex = -(off_arg + ADDSTATE_HERE_OFFSET);
4acacf4081ce commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce Christian Brabandt <cb@256bit.org> parents: 10168 diff changeset	4328 }
4acacf4081ce commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce Christian Brabandt <cb@256bit.org> parents: 10168 diff changeset	4329
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4330 switch (state->c)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4331 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4332 case NFA_NCLOSE:
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4333 case NFA_MCLOSE:
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4334 case NFA_MCLOSE1:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4335 case NFA_MCLOSE2:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4336 case NFA_MCLOSE3:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4337 case NFA_MCLOSE4:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4338 case NFA_MCLOSE5:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4339 case NFA_MCLOSE6:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4340 case NFA_MCLOSE7:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4341 case NFA_MCLOSE8:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4342 case NFA_MCLOSE9:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4343 #ifdef FEAT_SYN_HL
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4344 case NFA_ZCLOSE:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4345 case NFA_ZCLOSE1:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4346 case NFA_ZCLOSE2:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4347 case NFA_ZCLOSE3:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4348 case NFA_ZCLOSE4:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4349 case NFA_ZCLOSE5:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4350 case NFA_ZCLOSE6:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4351 case NFA_ZCLOSE7:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4352 case NFA_ZCLOSE8:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4353 case NFA_ZCLOSE9:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4354 #endif
5251 2e63b6c763f7 updated for version 7.4b.002 Bram Moolenaar <bram@vim.org> parents: 5227 diff changeset	4355 case NFA_MOPEN:
4748 4b9503f0c7d3 updated for version 7.3.1121 Bram Moolenaar <bram@vim.org> parents: 4746 diff changeset	4356 case NFA_ZEND:
4815 6419ee8098c8 updated for version 7.3.1154 Bram Moolenaar <bram@vim.org> parents: 4813 diff changeset	4357 case NFA_SPLIT:
5370 90e2f0729a0d updated for version 7.4.036 Bram Moolenaar <bram@vim.org> parents: 5360 diff changeset	4358 case NFA_EMPTY:
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	4359 // 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	4360 // "out1" may be added below.
4571 b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	4361 break;
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	4362
5251 2e63b6c763f7 updated for version 7.4b.002 Bram Moolenaar <bram@vim.org> parents: 5227 diff changeset	4363 case NFA_BOL:
2e63b6c763f7 updated for version 7.4b.002 Bram Moolenaar <bram@vim.org> parents: 5227 diff changeset	4364 case NFA_BOF:
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	4365 // "^" 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	4366 // 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	4367 // 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	4368 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	4369 && *rex.input != NUL
5251 2e63b6c763f7 updated for version 7.4b.002 Bram Moolenaar <bram@vim.org> parents: 5227 diff changeset	4370 && (nfa_endp == NULL
2e63b6c763f7 updated for version 7.4b.002 Bram Moolenaar <bram@vim.org> parents: 5227 diff changeset	4371 \|\| !REG_MULTI
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	4372 \|\| 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	4373 goto skip_add;
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	4374 // FALLTHROUGH
5251 2e63b6c763f7 updated for version 7.4b.002 Bram Moolenaar <bram@vim.org> parents: 5227 diff changeset	4375
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4376 case NFA_MOPEN1:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4377 case NFA_MOPEN2:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4378 case NFA_MOPEN3:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4379 case NFA_MOPEN4:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4380 case NFA_MOPEN5:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4381 case NFA_MOPEN6:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4382 case NFA_MOPEN7:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4383 case NFA_MOPEN8:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4384 case NFA_MOPEN9:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4385 #ifdef FEAT_SYN_HL
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4386 case NFA_ZOPEN:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4387 case NFA_ZOPEN1:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4388 case NFA_ZOPEN2:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4389 case NFA_ZOPEN3:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4390 case NFA_ZOPEN4:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4391 case NFA_ZOPEN5:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4392 case NFA_ZOPEN6:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4393 case NFA_ZOPEN7:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4394 case NFA_ZOPEN8:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4395 case NFA_ZOPEN9:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4396 #endif
5251 2e63b6c763f7 updated for version 7.4b.002 Bram Moolenaar <bram@vim.org> parents: 5227 diff changeset	4397 case NFA_NOPEN:
4748 4b9503f0c7d3 updated for version 7.3.1121 Bram Moolenaar <bram@vim.org> parents: 4746 diff changeset	4398 case NFA_ZSTART:
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	4399 // 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	4400 // 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	4401 // endless loop for "*"
4694 efc4fb311d5d updated for version 7.3.1094 Bram Moolenaar <bram@vim.org> parents: 4692 diff changeset	4402
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4403 default:
5502 5ad60cd88339 updated for version 7.4.100 Bram Moolenaar <bram@vim.org> parents: 5401 diff changeset	4404 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	4405 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	4406 // 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	4407 // 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	4408 // 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	4409 // 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	4410 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	4411 && state->c != NFA_MATCH)
4657 93b7ed814bec updated for version 7.3.1076 Bram Moolenaar <bram@vim.org> parents: 4655 diff changeset	4412 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	4413 // 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	4414 // existing states.
10170 4acacf4081ce commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce Christian Brabandt <cb@256bit.org> parents: 10168 diff changeset	4415 if (add_here)
4acacf4081ce commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce Christian Brabandt <cb@256bit.org> parents: 10168 diff changeset	4416 {
4acacf4081ce commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce Christian Brabandt <cb@256bit.org> parents: 10168 diff changeset	4417 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	4418 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	4419 {
4acacf4081ce commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce Christian Brabandt <cb@256bit.org> parents: 10168 diff changeset	4420 found = TRUE;
4acacf4081ce commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce Christian Brabandt <cb@256bit.org> parents: 10168 diff changeset	4421 break;
4acacf4081ce commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce Christian Brabandt <cb@256bit.org> parents: 10168 diff changeset	4422 }
4acacf4081ce commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce Christian Brabandt <cb@256bit.org> parents: 10168 diff changeset	4423 }
4acacf4081ce commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce Christian Brabandt <cb@256bit.org> parents: 10168 diff changeset	4424 if (!add_here \|\| found)
4acacf4081ce commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce Christian Brabandt <cb@256bit.org> parents: 10168 diff changeset	4425 {
4657 93b7ed814bec updated for version 7.3.1076 Bram Moolenaar <bram@vim.org> parents: 4655 diff changeset	4426 skip_add:
93b7ed814bec updated for version 7.3.1076 Bram Moolenaar <bram@vim.org> parents: 4655 diff changeset	4427 #ifdef ENABLE_LOG
10170 4acacf4081ce commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce Christian Brabandt <cb@256bit.org> parents: 10168 diff changeset	4428 nfa_set_code(state->c);
4acacf4081ce commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce Christian Brabandt <cb@256bit.org> parents: 10168 diff changeset	4429 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	4430 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	4431 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	4432 #endif
15796 481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	4433 --depth;
10170 4acacf4081ce commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce Christian Brabandt <cb@256bit.org> parents: 10168 diff changeset	4434 return subs;
4acacf4081ce commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce Christian Brabandt <cb@256bit.org> parents: 10168 diff changeset	4435 }
4657 93b7ed814bec updated for version 7.3.1076 Bram Moolenaar <bram@vim.org> parents: 4655 diff changeset	4436 }
4647 857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	4437
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	4438 // 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	4439 // positions.
5212 2741b46e96bf updated for version 7.4a.032 Bram Moolenaar <bram@vim.org> parents: 5210 diff changeset	4440 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	4441 goto skip_add;
4647 857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	4442 }
857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	4443
15812 3808b583889e patch 8.1.0913: CI crashes when running out of memory Bram Moolenaar <Bram@vim.org> parents: 15806 diff changeset	4444 // 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	4445 // be (a lot) bigger than anticipated.
5006 f451d60ab8ec updated for version 7.3.1247 Bram Moolenaar <bram@vim.org> parents: 4997 diff changeset	4446 if (l->n == l->len)
4647 857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	4447 {
15806 6a4e9d9f1d66 patch 8.1.0910: crash with tricky search pattern Bram Moolenaar <Bram@vim.org> parents: 15802 diff changeset	4448 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	4449 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	4450 nfa_thread_T *newt;
4647 857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	4451
15812 3808b583889e patch 8.1.0913: CI crashes when running out of memory Bram Moolenaar <Bram@vim.org> parents: 15806 diff changeset	4452 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	4453 {
3808b583889e patch 8.1.0913: CI crashes when running out of memory Bram Moolenaar <Bram@vim.org> parents: 15806 diff changeset	4454 emsg(_(e_maxmempat));
3808b583889e patch 8.1.0913: CI crashes when running out of memory Bram Moolenaar <Bram@vim.org> parents: 15806 diff changeset	4455 --depth;
3808b583889e patch 8.1.0913: CI crashes when running out of memory Bram Moolenaar <Bram@vim.org> parents: 15806 diff changeset	4456 return NULL;
3808b583889e patch 8.1.0913: CI crashes when running out of memory Bram Moolenaar <Bram@vim.org> parents: 15806 diff changeset	4457 }
5074 1cacf785299e updated for version 7.3.1280 Bram Moolenaar <bram@vim.org> parents: 5058 diff changeset	4458 if (subs != &temp_subs)
1cacf785299e updated for version 7.3.1280 Bram Moolenaar <bram@vim.org> parents: 5058 diff changeset	4459 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	4460 // "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	4461 // copy before it becomes invalid.
5074 1cacf785299e updated for version 7.3.1280 Bram Moolenaar <bram@vim.org> parents: 5058 diff changeset	4462 copy_sub(&temp_subs.norm, &subs->norm);
1cacf785299e updated for version 7.3.1280 Bram Moolenaar <bram@vim.org> parents: 5058 diff changeset	4463 #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	4464 if (rex.nfa_has_zsubexpr)
5074 1cacf785299e updated for version 7.3.1280 Bram Moolenaar <bram@vim.org> parents: 5058 diff changeset	4465 copy_sub(&temp_subs.synt, &subs->synt);
1cacf785299e updated for version 7.3.1280 Bram Moolenaar <bram@vim.org> parents: 5058 diff changeset	4466 #endif
1cacf785299e updated for version 7.3.1280 Bram Moolenaar <bram@vim.org> parents: 5058 diff changeset	4467 subs = &temp_subs;
1cacf785299e updated for version 7.3.1280 Bram Moolenaar <bram@vim.org> parents: 5058 diff changeset	4468 }
1cacf785299e updated for version 7.3.1280 Bram Moolenaar <bram@vim.org> parents: 5058 diff changeset	4469
15812 3808b583889e patch 8.1.0913: CI crashes when running out of memory Bram Moolenaar <Bram@vim.org> parents: 15806 diff changeset	4470 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	4471 if (newt == NULL)
6a4e9d9f1d66 patch 8.1.0910: crash with tricky search pattern Bram Moolenaar <Bram@vim.org> parents: 15802 diff changeset	4472 {
6a4e9d9f1d66 patch 8.1.0910: crash with tricky search pattern Bram Moolenaar <Bram@vim.org> parents: 15802 diff changeset	4473 // out of memory
6a4e9d9f1d66 patch 8.1.0910: crash with tricky search pattern Bram Moolenaar <Bram@vim.org> parents: 15802 diff changeset	4474 --depth;
6a4e9d9f1d66 patch 8.1.0910: crash with tricky search pattern Bram Moolenaar <Bram@vim.org> parents: 15802 diff changeset	4475 return NULL;
6a4e9d9f1d66 patch 8.1.0910: crash with tricky search pattern Bram Moolenaar <Bram@vim.org> parents: 15802 diff changeset	4476 }
6a4e9d9f1d66 patch 8.1.0910: crash with tricky search pattern Bram Moolenaar <Bram@vim.org> parents: 15802 diff changeset	4477 l->t = newt;
4647 857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	4478 l->len = newlen;
4571 b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	4479 }
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	4480
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	4481 // add the state to the list
4718 ec72bb4a0fc2 updated for version 7.3.1106 Bram Moolenaar <bram@vim.org> parents: 4716 diff changeset	4482 state->lastlist[nfa_ll_index] = l->id;
4647 857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	4483 thread = &l->t[l->n++];
857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	4484 thread->state = state;
4813 bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	4485 if (pim == NULL)
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	4486 thread->pim.result = NFA_PIM_UNUSED;
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	4487 else
5227 a08fa2919f2b updated for version 7.4a.039 Bram Moolenaar <bram@vim.org> parents: 5221 diff changeset	4488 {
4813 bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	4489 copy_pim(&thread->pim, pim);
5227 a08fa2919f2b updated for version 7.4a.039 Bram Moolenaar <bram@vim.org> parents: 5221 diff changeset	4490 l->has_pim = TRUE;
a08fa2919f2b updated for version 7.4a.039 Bram Moolenaar <bram@vim.org> parents: 5221 diff changeset	4491 }
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4492 copy_sub(&thread->subs.norm, &subs->norm);
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4493 #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	4494 if (rex.nfa_has_zsubexpr)
4712 832bf8136d86 updated for version 7.3.1103 Bram Moolenaar <bram@vim.org> parents: 4696 diff changeset	4495 copy_sub(&thread->subs.synt, &subs->synt);
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4496 #endif
4657 93b7ed814bec updated for version 7.3.1076 Bram Moolenaar <bram@vim.org> parents: 4655 diff changeset	4497 #ifdef ENABLE_LOG
4813 bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	4498 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	4499 did_print = TRUE;
4657 93b7ed814bec updated for version 7.3.1076 Bram Moolenaar <bram@vim.org> parents: 4655 diff changeset	4500 #endif
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4501 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4502
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4503 #ifdef ENABLE_LOG
4657 93b7ed814bec updated for version 7.3.1076 Bram Moolenaar <bram@vim.org> parents: 4655 diff changeset	4504 if (!did_print)
4813 bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	4505 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	4506 #endif
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4507 switch (state->c)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4508 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4509 case NFA_MATCH:
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4510 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4511
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4512 case NFA_SPLIT:
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	4513 // order matters here
10170 4acacf4081ce commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce Christian Brabandt <cb@256bit.org> parents: 10168 diff changeset	4514 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	4515 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	4516 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4517
5370 90e2f0729a0d updated for version 7.4.036 Bram Moolenaar <bram@vim.org> parents: 5360 diff changeset	4518 case NFA_EMPTY:
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4519 case NFA_NOPEN:
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4520 case NFA_NCLOSE:
10170 4acacf4081ce commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce Christian Brabandt <cb@256bit.org> parents: 10168 diff changeset	4521 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	4522 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4523
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4524 case NFA_MOPEN:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4525 case NFA_MOPEN1:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4526 case NFA_MOPEN2:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4527 case NFA_MOPEN3:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4528 case NFA_MOPEN4:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4529 case NFA_MOPEN5:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4530 case NFA_MOPEN6:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4531 case NFA_MOPEN7:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4532 case NFA_MOPEN8:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4533 case NFA_MOPEN9:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4534 #ifdef FEAT_SYN_HL
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4535 case NFA_ZOPEN:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4536 case NFA_ZOPEN1:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4537 case NFA_ZOPEN2:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4538 case NFA_ZOPEN3:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4539 case NFA_ZOPEN4:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4540 case NFA_ZOPEN5:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4541 case NFA_ZOPEN6:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4542 case NFA_ZOPEN7:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4543 case NFA_ZOPEN8:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4544 case NFA_ZOPEN9:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4545 #endif
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4546 case NFA_ZSTART:
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4547 if (state->c == NFA_ZSTART)
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4548 {
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4549 subidx = 0;
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4550 sub = &subs->norm;
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4551 }
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4552 #ifdef FEAT_SYN_HL
5300 560a6a232950 updated for version 7.4.003 Bram Moolenaar <bram@vim.org> parents: 5298 diff changeset	4553 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	4554 {
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4555 subidx = state->c - NFA_ZOPEN;
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4556 sub = &subs->synt;
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4557 }
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4558 #endif
4561 4d81fdda8f35 updated for version 7.3.1028 Bram Moolenaar <bram@vim.org> parents: 4559 diff changeset	4559 else
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4560 {
4561 4d81fdda8f35 updated for version 7.3.1028 Bram Moolenaar <bram@vim.org> parents: 4559 diff changeset	4561 subidx = state->c - NFA_MOPEN;
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4562 sub = &subs->norm;
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4563 }
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4564
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	4565 // avoid compiler warnings
5210 839ebe7c1b2f updated for version 7.4a.031 Bram Moolenaar <bram@vim.org> parents: 5188 diff changeset	4566 save_ptr = NULL;
10168 3c37899baa8d commit https://github.com/vim/vim/commit/d563883a1fb5ec6cf4a2758c5e36ac1ff4e9bb3d Christian Brabandt <cb@256bit.org> parents: 10042 diff changeset	4567 vim_memset(&save_multipos, 0, sizeof(save_multipos));
5210 839ebe7c1b2f updated for version 7.4a.031 Bram Moolenaar <bram@vim.org> parents: 5188 diff changeset	4568
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	4569 // 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	4570 // 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	4571 if (REG_MULTI)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4572 {
4571 b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	4573 if (subidx < sub->in_use)
4563 e7016af0cbf9 updated for version 7.3.1029 Bram Moolenaar <bram@vim.org> parents: 4561 diff changeset	4574 {
10168 3c37899baa8d commit https://github.com/vim/vim/commit/d563883a1fb5ec6cf4a2758c5e36ac1ff4e9bb3d Christian Brabandt <cb@256bit.org> parents: 10042 diff changeset	4575 save_multipos = sub->list.multi[subidx];
4563 e7016af0cbf9 updated for version 7.3.1029 Bram Moolenaar <bram@vim.org> parents: 4561 diff changeset	4576 save_in_use = -1;
e7016af0cbf9 updated for version 7.3.1029 Bram Moolenaar <bram@vim.org> parents: 4561 diff changeset	4577 }
e7016af0cbf9 updated for version 7.3.1029 Bram Moolenaar <bram@vim.org> parents: 4561 diff changeset	4578 else
e7016af0cbf9 updated for version 7.3.1029 Bram Moolenaar <bram@vim.org> parents: 4561 diff changeset	4579 {
4571 b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	4580 save_in_use = sub->in_use;
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	4581 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	4582 {
6547 436d6c9e57f2 updated for version 7.4.600 Bram Moolenaar <bram@vim.org> parents: 6545 diff changeset	4583 sub->list.multi[i].start_lnum = -1;
436d6c9e57f2 updated for version 7.4.600 Bram Moolenaar <bram@vim.org> parents: 6545 diff changeset	4584 sub->list.multi[i].end_lnum = -1;
4563 e7016af0cbf9 updated for version 7.3.1029 Bram Moolenaar <bram@vim.org> parents: 4561 diff changeset	4585 }
4571 b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	4586 sub->in_use = subidx + 1;
4563 e7016af0cbf9 updated for version 7.3.1029 Bram Moolenaar <bram@vim.org> parents: 4561 diff changeset	4587 }
4515 90e9917d4114 updated for version 7.3.1005 Bram Moolenaar <bram@vim.org> parents: 4507 diff changeset	4588 if (off == -1)
90e9917d4114 updated for version 7.3.1005 Bram Moolenaar <bram@vim.org> parents: 4507 diff changeset	4589 {
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	4590 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	4591 sub->list.multi[subidx].start_col = 0;
4515 90e9917d4114 updated for version 7.3.1005 Bram Moolenaar <bram@vim.org> parents: 4507 diff changeset	4592 }
90e9917d4114 updated for version 7.3.1005 Bram Moolenaar <bram@vim.org> parents: 4507 diff changeset	4593 else
90e9917d4114 updated for version 7.3.1005 Bram Moolenaar <bram@vim.org> parents: 4507 diff changeset	4594 {
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	4595 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	4596 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	4597 (colnr_T)(rex.input - rex.line + off);
4515 90e9917d4114 updated for version 7.3.1005 Bram Moolenaar <bram@vim.org> parents: 4507 diff changeset	4598 }
7152 cbdc02d71a18 commit https://github.com/vim/vim/commit/c2b717ebd6719e722dcb5f10e4c74033a53ff7c7 Christian Brabandt <cb@256bit.org> parents: 6914 diff changeset	4599 sub->list.multi[subidx].end_lnum = -1;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4600 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4601 else
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4602 {
4571 b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	4603 if (subidx < sub->in_use)
4563 e7016af0cbf9 updated for version 7.3.1029 Bram Moolenaar <bram@vim.org> parents: 4561 diff changeset	4604 {
4577 b22bff1a6af8 updated for version 7.3.1036 Bram Moolenaar <bram@vim.org> parents: 4573 diff changeset	4605 save_ptr = sub->list.line[subidx].start;
4563 e7016af0cbf9 updated for version 7.3.1029 Bram Moolenaar <bram@vim.org> parents: 4561 diff changeset	4606 save_in_use = -1;
e7016af0cbf9 updated for version 7.3.1029 Bram Moolenaar <bram@vim.org> parents: 4561 diff changeset	4607 }
e7016af0cbf9 updated for version 7.3.1029 Bram Moolenaar <bram@vim.org> parents: 4561 diff changeset	4608 else
e7016af0cbf9 updated for version 7.3.1029 Bram Moolenaar <bram@vim.org> parents: 4561 diff changeset	4609 {
4571 b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	4610 save_in_use = sub->in_use;
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	4611 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	4612 {
4577 b22bff1a6af8 updated for version 7.3.1036 Bram Moolenaar <bram@vim.org> parents: 4573 diff changeset	4613 sub->list.line[i].start = NULL;
b22bff1a6af8 updated for version 7.3.1036 Bram Moolenaar <bram@vim.org> parents: 4573 diff changeset	4614 sub->list.line[i].end = NULL;
4563 e7016af0cbf9 updated for version 7.3.1029 Bram Moolenaar <bram@vim.org> parents: 4561 diff changeset	4615 }
4571 b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	4616 sub->in_use = subidx + 1;
4563 e7016af0cbf9 updated for version 7.3.1029 Bram Moolenaar <bram@vim.org> parents: 4561 diff changeset	4617 }
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	4618 sub->list.line[subidx].start = rex.input + off;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4619 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4620
10170 4acacf4081ce commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce Christian Brabandt <cb@256bit.org> parents: 10168 diff changeset	4621 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	4622 if (subs == NULL)
481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	4623 break;
481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	4624 // "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	4625 #ifdef FEAT_SYN_HL
560a6a232950 updated for version 7.4.003 Bram Moolenaar <bram@vim.org> parents: 5298 diff changeset	4626 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	4627 sub = &subs->synt;
560a6a232950 updated for version 7.4.003 Bram Moolenaar <bram@vim.org> parents: 5298 diff changeset	4628 else
560a6a232950 updated for version 7.4.003 Bram Moolenaar <bram@vim.org> parents: 5298 diff changeset	4629 #endif
560a6a232950 updated for version 7.4.003 Bram Moolenaar <bram@vim.org> parents: 5298 diff changeset	4630 sub = &subs->norm;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4631
4563 e7016af0cbf9 updated for version 7.3.1029 Bram Moolenaar <bram@vim.org> parents: 4561 diff changeset	4632 if (save_in_use == -1)
e7016af0cbf9 updated for version 7.3.1029 Bram Moolenaar <bram@vim.org> parents: 4561 diff changeset	4633 {
e7016af0cbf9 updated for version 7.3.1029 Bram Moolenaar <bram@vim.org> parents: 4561 diff changeset	4634 if (REG_MULTI)
10168 3c37899baa8d commit https://github.com/vim/vim/commit/d563883a1fb5ec6cf4a2758c5e36ac1ff4e9bb3d Christian Brabandt <cb@256bit.org> parents: 10042 diff changeset	4635 sub->list.multi[subidx] = save_multipos;
4563 e7016af0cbf9 updated for version 7.3.1029 Bram Moolenaar <bram@vim.org> parents: 4561 diff changeset	4636 else
4577 b22bff1a6af8 updated for version 7.3.1036 Bram Moolenaar <bram@vim.org> parents: 4573 diff changeset	4637 sub->list.line[subidx].start = save_ptr;
4563 e7016af0cbf9 updated for version 7.3.1029 Bram Moolenaar <bram@vim.org> parents: 4561 diff changeset	4638 }
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4639 else
4571 b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	4640 sub->in_use = save_in_use;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4641 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4642
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4643 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	4644 if (rex.nfa_has_zend && (REG_MULTI
6547 436d6c9e57f2 updated for version 7.4.600 Bram Moolenaar <bram@vim.org> parents: 6545 diff changeset	4645 ? 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	4646 : subs->norm.list.line[0].end != NULL))
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4647 {
15796 481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	4648 // 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	4649 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	4650 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4651 }
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	4652 // FALLTHROUGH
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4653 case NFA_MCLOSE1:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4654 case NFA_MCLOSE2:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4655 case NFA_MCLOSE3:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4656 case NFA_MCLOSE4:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4657 case NFA_MCLOSE5:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4658 case NFA_MCLOSE6:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4659 case NFA_MCLOSE7:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4660 case NFA_MCLOSE8:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4661 case NFA_MCLOSE9:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4662 #ifdef FEAT_SYN_HL
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4663 case NFA_ZCLOSE:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4664 case NFA_ZCLOSE1:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4665 case NFA_ZCLOSE2:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4666 case NFA_ZCLOSE3:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4667 case NFA_ZCLOSE4:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4668 case NFA_ZCLOSE5:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4669 case NFA_ZCLOSE6:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4670 case NFA_ZCLOSE7:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4671 case NFA_ZCLOSE8:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4672 case NFA_ZCLOSE9:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4673 #endif
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4674 case NFA_ZEND:
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4675 if (state->c == NFA_ZEND)
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4676 {
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4677 subidx = 0;
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4678 sub = &subs->norm;
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4679 }
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4680 #ifdef FEAT_SYN_HL
5300 560a6a232950 updated for version 7.4.003 Bram Moolenaar <bram@vim.org> parents: 5298 diff changeset	4681 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	4682 {
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4683 subidx = state->c - NFA_ZCLOSE;
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4684 sub = &subs->synt;
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4685 }
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4686 #endif
4561 4d81fdda8f35 updated for version 7.3.1028 Bram Moolenaar <bram@vim.org> parents: 4559 diff changeset	4687 else
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4688 {
4561 4d81fdda8f35 updated for version 7.3.1028 Bram Moolenaar <bram@vim.org> parents: 4559 diff changeset	4689 subidx = state->c - NFA_MCLOSE;
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4690 sub = &subs->norm;
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4691 }
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4692
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	4693 // 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	4694 // has done that.
4571 b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	4695 save_in_use = sub->in_use;
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	4696 if (sub->in_use <= subidx)
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	4697 sub->in_use = subidx + 1;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4698 if (REG_MULTI)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4699 {
10168 3c37899baa8d commit https://github.com/vim/vim/commit/d563883a1fb5ec6cf4a2758c5e36ac1ff4e9bb3d Christian Brabandt <cb@256bit.org> parents: 10042 diff changeset	4700 save_multipos = sub->list.multi[subidx];
4515 90e9917d4114 updated for version 7.3.1005 Bram Moolenaar <bram@vim.org> parents: 4507 diff changeset	4701 if (off == -1)
90e9917d4114 updated for version 7.3.1005 Bram Moolenaar <bram@vim.org> parents: 4507 diff changeset	4702 {
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	4703 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	4704 sub->list.multi[subidx].end_col = 0;
4515 90e9917d4114 updated for version 7.3.1005 Bram Moolenaar <bram@vim.org> parents: 4507 diff changeset	4705 }
90e9917d4114 updated for version 7.3.1005 Bram Moolenaar <bram@vim.org> parents: 4507 diff changeset	4706 else
90e9917d4114 updated for version 7.3.1005 Bram Moolenaar <bram@vim.org> parents: 4507 diff changeset	4707 {
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	4708 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	4709 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	4710 (colnr_T)(rex.input - rex.line + off);
4515 90e9917d4114 updated for version 7.3.1005 Bram Moolenaar <bram@vim.org> parents: 4507 diff changeset	4711 }
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	4712 // avoid compiler warnings
5210 839ebe7c1b2f updated for version 7.4a.031 Bram Moolenaar <bram@vim.org> parents: 5188 diff changeset	4713 save_ptr = NULL;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4714 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4715 else
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4716 {
4577 b22bff1a6af8 updated for version 7.3.1036 Bram Moolenaar <bram@vim.org> parents: 4573 diff changeset	4717 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	4718 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	4719 // avoid compiler warnings
10168 3c37899baa8d commit https://github.com/vim/vim/commit/d563883a1fb5ec6cf4a2758c5e36ac1ff4e9bb3d Christian Brabandt <cb@256bit.org> parents: 10042 diff changeset	4720 vim_memset(&save_multipos, 0, sizeof(save_multipos));
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4721 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4722
10170 4acacf4081ce commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce Christian Brabandt <cb@256bit.org> parents: 10168 diff changeset	4723 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	4724 if (subs == NULL)
481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	4725 break;
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	4726 // "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	4727 #ifdef FEAT_SYN_HL
560a6a232950 updated for version 7.4.003 Bram Moolenaar <bram@vim.org> parents: 5298 diff changeset	4728 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	4729 sub = &subs->synt;
560a6a232950 updated for version 7.4.003 Bram Moolenaar <bram@vim.org> parents: 5298 diff changeset	4730 else
560a6a232950 updated for version 7.4.003 Bram Moolenaar <bram@vim.org> parents: 5298 diff changeset	4731 #endif
560a6a232950 updated for version 7.4.003 Bram Moolenaar <bram@vim.org> parents: 5298 diff changeset	4732 sub = &subs->norm;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4733
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4734 if (REG_MULTI)
10168 3c37899baa8d commit https://github.com/vim/vim/commit/d563883a1fb5ec6cf4a2758c5e36ac1ff4e9bb3d Christian Brabandt <cb@256bit.org> parents: 10042 diff changeset	4735 sub->list.multi[subidx] = save_multipos;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4736 else
4577 b22bff1a6af8 updated for version 7.3.1036 Bram Moolenaar <bram@vim.org> parents: 4573 diff changeset	4737 sub->list.line[subidx].end = save_ptr;
4571 b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	4738 sub->in_use = save_in_use;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4739 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4740 }
15796 481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	4741 --depth;
5074 1cacf785299e updated for version 7.3.1280 Bram Moolenaar <bram@vim.org> parents: 5058 diff changeset	4742 return subs;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4743 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4744
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4745 /*
4539 532c2e850256 updated for version 7.3.1017 Bram Moolenaar <bram@vim.org> parents: 4537 diff changeset	4746 * 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	4747 * 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	4748 * 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	4749 * matters for alternatives.
532c2e850256 updated for version 7.3.1017 Bram Moolenaar <bram@vim.org> parents: 4537 diff changeset	4750 */
15796 481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	4751 static regsubs_T *
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	4752 addstate_here(
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	4753 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	4754 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	4755 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	4756 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	4757 int *ip)
4539 532c2e850256 updated for version 7.3.1017 Bram Moolenaar <bram@vim.org> parents: 4537 diff changeset	4758 {
532c2e850256 updated for version 7.3.1017 Bram Moolenaar <bram@vim.org> parents: 4537 diff changeset	4759 int tlen = l->n;
532c2e850256 updated for version 7.3.1017 Bram Moolenaar <bram@vim.org> parents: 4537 diff changeset	4760 int count;
4726 3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	4761 int listidx = *ip;
15796 481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	4762 regsubs_T *r;
4539 532c2e850256 updated for version 7.3.1017 Bram Moolenaar <bram@vim.org> parents: 4537 diff changeset	4763
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	4764 // 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	4765 // Pass the listidx as offset (avoids adding another argument to
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	4766 // addstate().
15796 481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	4767 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	4768 if (r == NULL)
15806 6a4e9d9f1d66 patch 8.1.0910: crash with tricky search pattern Bram Moolenaar <Bram@vim.org> parents: 15802 diff changeset	4769 return NULL;
15796 481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	4770
481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	4771 // 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	4772 if (listidx + 1 == tlen)
15796 481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	4773 return r;
481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	4774
481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	4775 // 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	4776 count = l->n - tlen;
4924 6ae32a64e153 updated for version 7.3.1207 Bram Moolenaar <bram@vim.org> parents: 4897 diff changeset	4777 if (count == 0)
15796 481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	4778 return r; // no state got added
4647 857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	4779 if (count == 1)
857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	4780 {
15796 481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	4781 // overwrite the current state
4726 3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	4782 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	4783 }
857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	4784 else if (count > 1)
4539 532c2e850256 updated for version 7.3.1017 Bram Moolenaar <bram@vim.org> parents: 4537 diff changeset	4785 {
5058 a00cd1839ac4 updated for version 7.3.1272 Bram Moolenaar <bram@vim.org> parents: 5029 diff changeset	4786 if (l->n + count - 1 >= l->len)
a00cd1839ac4 updated for version 7.3.1272 Bram Moolenaar <bram@vim.org> parents: 5029 diff changeset	4787 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	4788 // 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	4789 // 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	4790 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	4791 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	4792 nfa_thread_T *newl;
6a4e9d9f1d66 patch 8.1.0910: crash with tricky search pattern Bram Moolenaar <Bram@vim.org> parents: 15802 diff changeset	4793
15812 3808b583889e patch 8.1.0913: CI crashes when running out of memory Bram Moolenaar <Bram@vim.org> parents: 15806 diff changeset	4794 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	4795 {
3808b583889e patch 8.1.0913: CI crashes when running out of memory Bram Moolenaar <Bram@vim.org> parents: 15806 diff changeset	4796 emsg(_(e_maxmempat));
3808b583889e patch 8.1.0913: CI crashes when running out of memory Bram Moolenaar <Bram@vim.org> parents: 15806 diff changeset	4797 return NULL;
3808b583889e patch 8.1.0913: CI crashes when running out of memory Bram Moolenaar <Bram@vim.org> parents: 15806 diff changeset	4798 }
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	4799 newl = alloc(newsize);
5058 a00cd1839ac4 updated for version 7.3.1272 Bram Moolenaar <bram@vim.org> parents: 5029 diff changeset	4800 if (newl == NULL)
15806 6a4e9d9f1d66 patch 8.1.0910: crash with tricky search pattern Bram Moolenaar <Bram@vim.org> parents: 15802 diff changeset	4801 return NULL;
6a4e9d9f1d66 patch 8.1.0910: crash with tricky search pattern Bram Moolenaar <Bram@vim.org> parents: 15802 diff changeset	4802 l->len = newlen;
5058 a00cd1839ac4 updated for version 7.3.1272 Bram Moolenaar <bram@vim.org> parents: 5029 diff changeset	4803 mch_memmove(&(newl[0]),
a00cd1839ac4 updated for version 7.3.1272 Bram Moolenaar <bram@vim.org> parents: 5029 diff changeset	4804 &(l->t[0]),
a00cd1839ac4 updated for version 7.3.1272 Bram Moolenaar <bram@vim.org> parents: 5029 diff changeset	4805 sizeof(nfa_thread_T) * listidx);
a00cd1839ac4 updated for version 7.3.1272 Bram Moolenaar <bram@vim.org> parents: 5029 diff changeset	4806 mch_memmove(&(newl[listidx]),
a00cd1839ac4 updated for version 7.3.1272 Bram Moolenaar <bram@vim.org> parents: 5029 diff changeset	4807 &(l->t[l->n - count]),
a00cd1839ac4 updated for version 7.3.1272 Bram Moolenaar <bram@vim.org> parents: 5029 diff changeset	4808 sizeof(nfa_thread_T) * count);
a00cd1839ac4 updated for version 7.3.1272 Bram Moolenaar <bram@vim.org> parents: 5029 diff changeset	4809 mch_memmove(&(newl[listidx + count]),
a00cd1839ac4 updated for version 7.3.1272 Bram Moolenaar <bram@vim.org> parents: 5029 diff changeset	4810 &(l->t[listidx + 1]),
a00cd1839ac4 updated for version 7.3.1272 Bram Moolenaar <bram@vim.org> parents: 5029 diff changeset	4811 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	4812 vim_free(l->t);
a00cd1839ac4 updated for version 7.3.1272 Bram Moolenaar <bram@vim.org> parents: 5029 diff changeset	4813 l->t = newl;
a00cd1839ac4 updated for version 7.3.1272 Bram Moolenaar <bram@vim.org> parents: 5029 diff changeset	4814 }
a00cd1839ac4 updated for version 7.3.1272 Bram Moolenaar <bram@vim.org> parents: 5029 diff changeset	4815 else
a00cd1839ac4 updated for version 7.3.1272 Bram Moolenaar <bram@vim.org> parents: 5029 diff changeset	4816 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	4817 // 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	4818 // end to the current position
5058 a00cd1839ac4 updated for version 7.3.1272 Bram Moolenaar <bram@vim.org> parents: 5029 diff changeset	4819 mch_memmove(&(l->t[listidx + count]),
a00cd1839ac4 updated for version 7.3.1272 Bram Moolenaar <bram@vim.org> parents: 5029 diff changeset	4820 &(l->t[listidx + 1]),
a00cd1839ac4 updated for version 7.3.1272 Bram Moolenaar <bram@vim.org> parents: 5029 diff changeset	4821 sizeof(nfa_thread_T) * (l->n - listidx - 1));
a00cd1839ac4 updated for version 7.3.1272 Bram Moolenaar <bram@vim.org> parents: 5029 diff changeset	4822 mch_memmove(&(l->t[listidx]),
a00cd1839ac4 updated for version 7.3.1272 Bram Moolenaar <bram@vim.org> parents: 5029 diff changeset	4823 &(l->t[l->n - 1]),
a00cd1839ac4 updated for version 7.3.1272 Bram Moolenaar <bram@vim.org> parents: 5029 diff changeset	4824 sizeof(nfa_thread_T) * count);
a00cd1839ac4 updated for version 7.3.1272 Bram Moolenaar <bram@vim.org> parents: 5029 diff changeset	4825 }
4539 532c2e850256 updated for version 7.3.1017 Bram Moolenaar <bram@vim.org> parents: 4537 diff changeset	4826 }
532c2e850256 updated for version 7.3.1017 Bram Moolenaar <bram@vim.org> parents: 4537 diff changeset	4827 --l->n;
4726 3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	4828 *ip = listidx - 1;
15796 481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	4829
481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	4830 return r;
4539 532c2e850256 updated for version 7.3.1017 Bram Moolenaar <bram@vim.org> parents: 4537 diff changeset	4831 }
532c2e850256 updated for version 7.3.1017 Bram Moolenaar <bram@vim.org> parents: 4537 diff changeset	4832
532c2e850256 updated for version 7.3.1017 Bram Moolenaar <bram@vim.org> parents: 4537 diff changeset	4833 /*
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4834 * Check character class "class" against current character c.
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4835 */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4836 static int
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	4837 check_char_class(int class, int c)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4838 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4839 switch (class)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4840 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4841 case NFA_CLASS_ALNUM:
9015 42b228c8701b commit https://github.com/vim/vim/commit/e8aee7dcf9b12becff86e8ce1783a86801c5f9f6 Christian Brabandt <cb@256bit.org> parents: 8989 diff changeset	4842 if (c >= 1 && c < 128 && isalnum(c))
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4843 return OK;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4844 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4845 case NFA_CLASS_ALPHA:
9015 42b228c8701b commit https://github.com/vim/vim/commit/e8aee7dcf9b12becff86e8ce1783a86801c5f9f6 Christian Brabandt <cb@256bit.org> parents: 8989 diff changeset	4846 if (c >= 1 && c < 128 && isalpha(c))
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4847 return OK;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4848 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4849 case NFA_CLASS_BLANK:
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4850 if (c == ' ' \|\| c == '\t')
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4851 return OK;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4852 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4853 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	4854 if (c >= 1 && c <= 127 && iscntrl(c))
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4855 return OK;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4856 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4857 case NFA_CLASS_DIGIT:
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4858 if (VIM_ISDIGIT(c))
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4859 return OK;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4860 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4861 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	4862 if (c >= 1 && c <= 127 && isgraph(c))
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4863 return OK;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4864 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4865 case NFA_CLASS_LOWER:
9015 42b228c8701b commit https://github.com/vim/vim/commit/e8aee7dcf9b12becff86e8ce1783a86801c5f9f6 Christian Brabandt <cb@256bit.org> parents: 8989 diff changeset	4866 if (MB_ISLOWER(c) && c != 170 && c != 186)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4867 return OK;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4868 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4869 case NFA_CLASS_PRINT:
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4870 if (vim_isprintc(c))
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4871 return OK;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4872 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4873 case NFA_CLASS_PUNCT:
9015 42b228c8701b commit https://github.com/vim/vim/commit/e8aee7dcf9b12becff86e8ce1783a86801c5f9f6 Christian Brabandt <cb@256bit.org> parents: 8989 diff changeset	4874 if (c >= 1 && c < 128 && ispunct(c))
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4875 return OK;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4876 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4877 case NFA_CLASS_SPACE:
4785 3b5a023a4543 updated for version 7.3.1139 Bram Moolenaar <bram@vim.org> parents: 4783 diff changeset	4878 if ((c >= 9 && c <= 13) \|\| (c == ' '))
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4879 return OK;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4880 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4881 case NFA_CLASS_UPPER:
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4882 if (MB_ISUPPER(c))
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4883 return OK;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4884 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4885 case NFA_CLASS_XDIGIT:
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4886 if (vim_isxdigit(c))
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4887 return OK;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4888 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4889 case NFA_CLASS_TAB:
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4890 if (c == '\t')
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4891 return OK;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4892 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4893 case NFA_CLASS_RETURN:
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4894 if (c == '\r')
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4895 return OK;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4896 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4897 case NFA_CLASS_BACKSPACE:
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4898 if (c == '\b')
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4899 return OK;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4900 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4901 case NFA_CLASS_ESCAPE:
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4902 if (c == '\033')
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4903 return OK;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4904 break;
15709 2e2f07561f4b patch 8.1.0862: no verbose version of character classes Bram Moolenaar <Bram@vim.org> parents: 15603 diff changeset	4905 case NFA_CLASS_IDENT:
2e2f07561f4b patch 8.1.0862: no verbose version of character classes Bram Moolenaar <Bram@vim.org> parents: 15603 diff changeset	4906 if (vim_isIDc(c))
2e2f07561f4b patch 8.1.0862: no verbose version of character classes Bram Moolenaar <Bram@vim.org> parents: 15603 diff changeset	4907 return OK;
2e2f07561f4b patch 8.1.0862: no verbose version of character classes Bram Moolenaar <Bram@vim.org> parents: 15603 diff changeset	4908 break;
2e2f07561f4b patch 8.1.0862: no verbose version of character classes Bram Moolenaar <Bram@vim.org> parents: 15603 diff changeset	4909 case NFA_CLASS_KEYWORD:
2e2f07561f4b patch 8.1.0862: no verbose version of character classes Bram Moolenaar <Bram@vim.org> parents: 15603 diff changeset	4910 if (reg_iswordc(c))
2e2f07561f4b patch 8.1.0862: no verbose version of character classes Bram Moolenaar <Bram@vim.org> parents: 15603 diff changeset	4911 return OK;
2e2f07561f4b patch 8.1.0862: no verbose version of character classes Bram Moolenaar <Bram@vim.org> parents: 15603 diff changeset	4912 break;
2e2f07561f4b patch 8.1.0862: no verbose version of character classes Bram Moolenaar <Bram@vim.org> parents: 15603 diff changeset	4913 case NFA_CLASS_FNAME:
2e2f07561f4b patch 8.1.0862: no verbose version of character classes Bram Moolenaar <Bram@vim.org> parents: 15603 diff changeset	4914 if (vim_isfilec(c))
2e2f07561f4b patch 8.1.0862: no verbose version of character classes Bram Moolenaar <Bram@vim.org> parents: 15603 diff changeset	4915 return OK;
2e2f07561f4b patch 8.1.0862: no verbose version of character classes Bram Moolenaar <Bram@vim.org> parents: 15603 diff changeset	4916 break;
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 default:
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	4919 // should not be here :P
15470 55ccc2d353bd patch 8.1.0743: giving error messages is not flexible Bram Moolenaar <Bram@vim.org> parents: 15265 diff changeset	4920 siemsg(_(e_ill_char_class), class);
4781 c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	4921 return FAIL;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4922 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4923 return FAIL;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4924 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4925
4571 b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	4926 /*
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	4927 * Check for a match with subexpression "subidx".
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4928 * Return TRUE if it matches.
4571 b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	4929 */
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	4930 static int
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	4931 match_backref(
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	4932 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	4933 int subidx,
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	4934 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	4935 {
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	4936 int len;
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	4937
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	4938 if (sub->in_use <= subidx)
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	4939 {
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	4940 retempty:
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	4941 // 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	4942 *bytelen = 0;
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	4943 return TRUE;
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	4944 }
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	4945
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	4946 if (REG_MULTI)
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	4947 {
6547 436d6c9e57f2 updated for version 7.4.600 Bram Moolenaar <bram@vim.org> parents: 6545 diff changeset	4948 if (sub->list.multi[subidx].start_lnum < 0
436d6c9e57f2 updated for version 7.4.600 Bram Moolenaar <bram@vim.org> parents: 6545 diff changeset	4949 \|\| sub->list.multi[subidx].end_lnum < 0)
4571 b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	4950 goto retempty;
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	4951 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	4952 && 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	4953 {
6547 436d6c9e57f2 updated for version 7.4.600 Bram Moolenaar <bram@vim.org> parents: 6545 diff changeset	4954 len = sub->list.multi[subidx].end_col
436d6c9e57f2 updated for version 7.4.600 Bram Moolenaar <bram@vim.org> parents: 6545 diff changeset	4955 - 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	4956 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	4957 rex.input, &len) == 0)
4891 4c42efb4c098 updated for version 7.3.1191 Bram Moolenaar <bram@vim.org> parents: 4887 diff changeset	4958 {
4c42efb4c098 updated for version 7.3.1191 Bram Moolenaar <bram@vim.org> parents: 4887 diff changeset	4959 *bytelen = len;
4c42efb4c098 updated for version 7.3.1191 Bram Moolenaar <bram@vim.org> parents: 4887 diff changeset	4960 return TRUE;
4c42efb4c098 updated for version 7.3.1191 Bram Moolenaar <bram@vim.org> parents: 4887 diff changeset	4961 }
4c42efb4c098 updated for version 7.3.1191 Bram Moolenaar <bram@vim.org> parents: 4887 diff changeset	4962 }
4c42efb4c098 updated for version 7.3.1191 Bram Moolenaar <bram@vim.org> parents: 4887 diff changeset	4963 else
4c42efb4c098 updated for version 7.3.1191 Bram Moolenaar <bram@vim.org> parents: 4887 diff changeset	4964 {
4c42efb4c098 updated for version 7.3.1191 Bram Moolenaar <bram@vim.org> parents: 4887 diff changeset	4965 if (match_with_backref(
6547 436d6c9e57f2 updated for version 7.4.600 Bram Moolenaar <bram@vim.org> parents: 6545 diff changeset	4966 sub->list.multi[subidx].start_lnum,
436d6c9e57f2 updated for version 7.4.600 Bram Moolenaar <bram@vim.org> parents: 6545 diff changeset	4967 sub->list.multi[subidx].start_col,
436d6c9e57f2 updated for version 7.4.600 Bram Moolenaar <bram@vim.org> parents: 6545 diff changeset	4968 sub->list.multi[subidx].end_lnum,
436d6c9e57f2 updated for version 7.4.600 Bram Moolenaar <bram@vim.org> parents: 6545 diff changeset	4969 sub->list.multi[subidx].end_col,
4891 4c42efb4c098 updated for version 7.3.1191 Bram Moolenaar <bram@vim.org> parents: 4887 diff changeset	4970 bytelen) == RA_MATCH)
4c42efb4c098 updated for version 7.3.1191 Bram Moolenaar <bram@vim.org> parents: 4887 diff changeset	4971 return TRUE;
4571 b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	4972 }
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	4973 }
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	4974 else
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	4975 {
4577 b22bff1a6af8 updated for version 7.3.1036 Bram Moolenaar <bram@vim.org> parents: 4573 diff changeset	4976 if (sub->list.line[subidx].start == NULL
b22bff1a6af8 updated for version 7.3.1036 Bram Moolenaar <bram@vim.org> parents: 4573 diff changeset	4977 \|\| sub->list.line[subidx].end == NULL)
4571 b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	4978 goto retempty;
4577 b22bff1a6af8 updated for version 7.3.1036 Bram Moolenaar <bram@vim.org> parents: 4573 diff changeset	4979 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	4980 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	4981 {
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	4982 *bytelen = len;
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	4983 return TRUE;
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	4984 }
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	4985 }
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	4986 return FALSE;
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	4987 }
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	4988
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4989 #ifdef FEAT_SYN_HL
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4990
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4991 /*
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4992 * Check for a match with \z subexpression "subidx".
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4993 * Return TRUE if it matches.
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4994 */
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4995 static int
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	4996 match_zref(
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	4997 int subidx,
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	4998 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	4999 {
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	5000 int len;
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	5001
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	5002 cleanup_zsubexpr();
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	5003 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	5004 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	5005 // 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	5006 *bytelen = 0;
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	5007 return TRUE;
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	5008 }
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	5009
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	5010 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	5011 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	5012 {
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	5013 *bytelen = len;
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	5014 return TRUE;
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	5015 }
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	5016 return FALSE;
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	5017 }
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	5018 #endif
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	5019
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5020 /*
4712 832bf8136d86 updated for version 7.3.1103 Bram Moolenaar <bram@vim.org> parents: 4696 diff changeset	5021 * 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	5022 * Also reset the IDs to zero.
4718 ec72bb4a0fc2 updated for version 7.3.1106 Bram Moolenaar <bram@vim.org> parents: 4716 diff changeset	5023 * Only used for the recursive value lastlist[1].
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5024 */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5025 static void
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	5026 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	5027 {
4712 832bf8136d86 updated for version 7.3.1103 Bram Moolenaar <bram@vim.org> parents: 4696 diff changeset	5028 int i;
832bf8136d86 updated for version 7.3.1103 Bram Moolenaar <bram@vim.org> parents: 4696 diff changeset	5029 nfa_state_T *p;
832bf8136d86 updated for version 7.3.1103 Bram Moolenaar <bram@vim.org> parents: 4696 diff changeset	5030
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	5031 // 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	5032 p = &prog->state[0];
832bf8136d86 updated for version 7.3.1103 Bram Moolenaar <bram@vim.org> parents: 4696 diff changeset	5033 for (i = prog->nstate; --i >= 0; )
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5034 {
4718 ec72bb4a0fc2 updated for version 7.3.1106 Bram Moolenaar <bram@vim.org> parents: 4716 diff changeset	5035 list[i] = p->lastlist[1];
ec72bb4a0fc2 updated for version 7.3.1106 Bram Moolenaar <bram@vim.org> parents: 4716 diff changeset	5036 p->lastlist[1] = 0;
4712 832bf8136d86 updated for version 7.3.1103 Bram Moolenaar <bram@vim.org> parents: 4696 diff changeset	5037 ++p;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5038 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5039 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5040
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5041 /*
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5042 * Restore list IDs from "list" to all NFA states.
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5043 */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5044 static void
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	5045 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	5046 {
4712 832bf8136d86 updated for version 7.3.1103 Bram Moolenaar <bram@vim.org> parents: 4696 diff changeset	5047 int i;
832bf8136d86 updated for version 7.3.1103 Bram Moolenaar <bram@vim.org> parents: 4696 diff changeset	5048 nfa_state_T *p;
832bf8136d86 updated for version 7.3.1103 Bram Moolenaar <bram@vim.org> parents: 4696 diff changeset	5049
832bf8136d86 updated for version 7.3.1103 Bram Moolenaar <bram@vim.org> parents: 4696 diff changeset	5050 p = &prog->state[0];
832bf8136d86 updated for version 7.3.1103 Bram Moolenaar <bram@vim.org> parents: 4696 diff changeset	5051 for (i = prog->nstate; --i >= 0; )
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5052 {
4718 ec72bb4a0fc2 updated for version 7.3.1106 Bram Moolenaar <bram@vim.org> parents: 4716 diff changeset	5053 p->lastlist[1] = list[i];
4712 832bf8136d86 updated for version 7.3.1103 Bram Moolenaar <bram@vim.org> parents: 4696 diff changeset	5054 ++p;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5055 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5056 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5057
4583 321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	5058 static int
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	5059 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	5060 {
321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	5061 if (op == 1) return pos > val;
321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	5062 if (op == 2) return pos < val;
321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	5063 return val == pos;
321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	5064 }
321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	5065
7805 0b6c37dd858d commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077 Christian Brabandt <cb@256bit.org> parents: 7258 diff changeset	5066 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	5067
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5068 /*
4716 a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5069 * Recursively call nfa_regmatch()
4813 bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	5070 * "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	5071 * position).
4716 a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5072 */
a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5073 static int
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	5074 recursive_regmatch(
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	5075 nfa_state_T *state,
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	5076 nfa_pim_T *pim,
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	5077 nfa_regprog_T *prog,
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	5078 regsubs_T *submatch,
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	5079 regsubs_T *m,
14309 15530de011bc patch 8.1.0170: invalid memory use with complicated pattern Christian Brabandt <cb@256bit.org> parents: 14173 diff changeset	5080 int **listids,
15530de011bc patch 8.1.0170: invalid memory use with complicated pattern Christian Brabandt <cb@256bit.org> parents: 14173 diff changeset	5081 int *listids_len)
4716 a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5082 {
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	5083 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	5084 int save_reglnum = rex.lnum;
4716 a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5085 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	5086 int save_nfa_listid = rex.nfa_listid;
4716 a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5087 save_se_T *save_nfa_endp = nfa_endp;
a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5088 save_se_T endpos;
a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5089 save_se_T *endposp = NULL;
a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5090 int result;
4718 ec72bb4a0fc2 updated for version 7.3.1106 Bram Moolenaar <bram@vim.org> parents: 4716 diff changeset	5091 int need_restore = FALSE;
4716 a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5092
4813 bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	5093 if (pim != NULL)
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	5094 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	5095 // 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	5096 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	5097 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	5098 else
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	5099 rex.input = pim->end.ptr;
4813 bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	5100 }
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	5101
4785 3b5a023a4543 updated for version 7.3.1139 Bram Moolenaar <bram@vim.org> parents: 4783 diff changeset	5102 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	5103 \|\| 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	5104 \|\| 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	5105 \|\| 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	5106 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	5107 // 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	5108 // not NULL it specifies the current position.
4716 a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5109 endposp = &endpos;
a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5110 if (REG_MULTI)
a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5111 {
4813 bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	5112 if (pim == NULL)
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	5113 {
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	5114 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	5115 endpos.se_u.pos.lnum = rex.lnum;
4813 bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	5116 }
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	5117 else
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	5118 endpos.se_u.pos = pim->end.pos;
4716 a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5119 }
a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5120 else
4813 bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	5121 {
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	5122 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	5123 endpos.se_u.ptr = rex.input;
4813 bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	5124 else
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	5125 endpos.se_u.ptr = pim->end.ptr;
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	5126 }
4716 a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5127
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	5128 // 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	5129 // 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	5130 // 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	5131 // bytes if possible.
4716 a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5132 if (state->val <= 0)
a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5133 {
a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5134 if (REG_MULTI)
a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5135 {
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	5136 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	5137 if (rex.line == NULL)
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	5138 // 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	5139 rex.line = reg_getline(++rex.lnum);
4716 a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5140 }
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	5141 rex.input = rex.line;
4716 a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5142 }
a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5143 else
a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5144 {
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	5145 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	5146 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	5147 // 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	5148 // previous line.
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	5149 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	5150 if (rex.line == NULL)
4716 a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5151 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	5152 // 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	5153 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	5154 rex.input = rex.line;
4716 a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5155 }
a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5156 else
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	5157 rex.input = rex.line + STRLEN(rex.line);
4716 a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5158 }
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	5159 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	5160 {
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	5161 rex.input -= state->val;
4716 a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5162 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	5163 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	5164 }
a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5165 else
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	5166 rex.input = rex.line;
4716 a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5167 }
a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5168 }
a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5169
a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5170 #ifdef ENABLE_LOG
a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5171 if (log_fd != stderr)
a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5172 fclose(log_fd);
a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5173 log_fd = NULL;
a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5174 #endif
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	5175 // 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	5176 // 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	5177 if (nfa_ll_index == 1)
ec72bb4a0fc2 updated for version 7.3.1106 Bram Moolenaar <bram@vim.org> parents: 4716 diff changeset	5178 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	5179 // 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	5180 // 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	5181 if (listids == NULL \|\| listids_len < prog->nstate)
4718 ec72bb4a0fc2 updated for version 7.3.1106 Bram Moolenaar <bram@vim.org> parents: 4716 diff changeset	5182 {
14309 15530de011bc patch 8.1.0170: invalid memory use with complicated pattern Christian Brabandt <cb@256bit.org> parents: 14173 diff changeset	5183 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	5184 *listids = ALLOC_MULT(int, prog->nstate);
4718 ec72bb4a0fc2 updated for version 7.3.1106 Bram Moolenaar <bram@vim.org> parents: 4716 diff changeset	5185 if (*listids == NULL)
ec72bb4a0fc2 updated for version 7.3.1106 Bram Moolenaar <bram@vim.org> parents: 4716 diff changeset	5186 {
15470 55ccc2d353bd patch 8.1.0743: giving error messages is not flexible Bram Moolenaar <Bram@vim.org> parents: 15265 diff changeset	5187 emsg(_("E878: (NFA) Could not allocate memory for branch traversal!"));
4718 ec72bb4a0fc2 updated for version 7.3.1106 Bram Moolenaar <bram@vim.org> parents: 4716 diff changeset	5188 return 0;
ec72bb4a0fc2 updated for version 7.3.1106 Bram Moolenaar <bram@vim.org> parents: 4716 diff changeset	5189 }
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	5190 *listids_len = prog->nstate;
4718 ec72bb4a0fc2 updated for version 7.3.1106 Bram Moolenaar <bram@vim.org> parents: 4716 diff changeset	5191 }
ec72bb4a0fc2 updated for version 7.3.1106 Bram Moolenaar <bram@vim.org> parents: 4716 diff changeset	5192 nfa_save_listids(prog, *listids);
ec72bb4a0fc2 updated for version 7.3.1106 Bram Moolenaar <bram@vim.org> parents: 4716 diff changeset	5193 need_restore = TRUE;
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	5194 // 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	5195 }
ec72bb4a0fc2 updated for version 7.3.1106 Bram Moolenaar <bram@vim.org> parents: 4716 diff changeset	5196 else
ec72bb4a0fc2 updated for version 7.3.1106 Bram Moolenaar <bram@vim.org> parents: 4716 diff changeset	5197 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	5198 // 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	5199 // 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	5200 // 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	5201 ++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	5202 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	5203 rex.nfa_listid = rex.nfa_alt_listid;
4718 ec72bb4a0fc2 updated for version 7.3.1106 Bram Moolenaar <bram@vim.org> parents: 4716 diff changeset	5204 }
ec72bb4a0fc2 updated for version 7.3.1106 Bram Moolenaar <bram@vim.org> parents: 4716 diff changeset	5205
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	5206 // 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	5207 // 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	5208 nfa_endp = endposp;
a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5209 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	5210
ec72bb4a0fc2 updated for version 7.3.1106 Bram Moolenaar <bram@vim.org> parents: 4716 diff changeset	5211 if (need_restore)
ec72bb4a0fc2 updated for version 7.3.1106 Bram Moolenaar <bram@vim.org> parents: 4716 diff changeset	5212 nfa_restore_listids(prog, *listids);
ec72bb4a0fc2 updated for version 7.3.1106 Bram Moolenaar <bram@vim.org> parents: 4716 diff changeset	5213 else
ec72bb4a0fc2 updated for version 7.3.1106 Bram Moolenaar <bram@vim.org> parents: 4716 diff changeset	5214 {
ec72bb4a0fc2 updated for version 7.3.1106 Bram Moolenaar <bram@vim.org> parents: 4716 diff changeset	5215 --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	5216 rex.nfa_alt_listid = rex.nfa_listid;
4718 ec72bb4a0fc2 updated for version 7.3.1106 Bram Moolenaar <bram@vim.org> parents: 4716 diff changeset	5217 }
4716 a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5218
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	5219 // 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	5220 rex.lnum = save_reglnum;
4877 9e36c6b1ebf4 updated for version 7.3.1184 Bram Moolenaar <bram@vim.org> parents: 4845 diff changeset	5221 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	5222 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	5223 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	5224 if (result != NFA_TOO_EXPENSIVE)
3666915cac0b commit https://github.com/vim/vim/commit/6747fabc7348bf5f41ccfe851e2be3e900ec8ee0 Christian Brabandt <cb@256bit.org> parents: 9015 diff changeset	5225 {
3666915cac0b commit https://github.com/vim/vim/commit/6747fabc7348bf5f41ccfe851e2be3e900ec8ee0 Christian Brabandt <cb@256bit.org> parents: 9015 diff changeset	5226 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	5227 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	5228 }
4716 a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5229 nfa_endp = save_nfa_endp;
a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5230
a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5231 #ifdef ENABLE_LOG
a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5232 log_fd = fopen(NFA_REGEXP_RUN_LOG, "a");
a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5233 if (log_fd != NULL)
a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5234 {
a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5235 fprintf(log_fd, "****************************\n");
a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5236 fprintf(log_fd, "FINISHED RUNNING nfa_regmatch() recursively\n");
a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5237 fprintf(log_fd, "MATCH = %s\n", result == TRUE ? "OK" : "FALSE");
a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5238 fprintf(log_fd, "****************************\n");
a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5239 }
a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5240 else
a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5241 {
15470 55ccc2d353bd patch 8.1.0743: giving error messages is not flexible Bram Moolenaar <Bram@vim.org> parents: 15265 diff changeset	5242 emsg(_(e_log_open_failed));
4716 a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5243 log_fd = stderr;
a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5244 }
a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5245 #endif
a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5246
a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5247 return result;
a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5248 }
a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5249
4726 3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	5250 /*
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	5251 * 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	5252 * empty match: 0
4726 3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	5253 * NFA_ANY: 1
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	5254 * specific character: 99
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	5255 */
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	5256 static int
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	5257 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	5258 {
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	5259 int c = state->c;
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	5260 int l, r;
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	5261
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	5262 // detect looping
4726 3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	5263 if (depth > 4)
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	5264 return 1;
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	5265
4742 6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5266 switch (c)
4726 3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	5267 {
4742 6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5268 case NFA_SPLIT:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5269 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	5270 // avoid recursive stuff
4742 6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5271 return 1;
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	5272 // two alternatives, use the lowest failure chance
4742 6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5273 l = failure_chance(state->out, depth + 1);
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5274 r = failure_chance(state->out1, depth + 1);
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5275 return l < r ? l : r;
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5276
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5277 case NFA_ANY:
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	5278 // matches anything, unlikely to fail
4726 3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	5279 return 1;
4821 2f1ee97f5f23 updated for version 7.3.1157 Bram Moolenaar <bram@vim.org> parents: 4819 diff changeset	5280
4742 6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5281 case NFA_MATCH:
4821 2f1ee97f5f23 updated for version 7.3.1157 Bram Moolenaar <bram@vim.org> parents: 4819 diff changeset	5282 case NFA_MCLOSE:
5901 10fc95f48546 updated for version 7.4.293 Bram Moolenaar <bram@vim.org> parents: 5895 diff changeset	5283 case NFA_ANY_COMPOSING:
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	5284 // empty match works always
4742 6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5285 return 0;
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5286
4897 91136a41f83f updated for version 7.3.1194 Bram Moolenaar <bram@vim.org> parents: 4893 diff changeset	5287 case NFA_START_INVISIBLE:
91136a41f83f updated for version 7.3.1194 Bram Moolenaar <bram@vim.org> parents: 4893 diff changeset	5288 case NFA_START_INVISIBLE_FIRST:
91136a41f83f updated for version 7.3.1194 Bram Moolenaar <bram@vim.org> parents: 4893 diff changeset	5289 case NFA_START_INVISIBLE_NEG:
91136a41f83f updated for version 7.3.1194 Bram Moolenaar <bram@vim.org> parents: 4893 diff changeset	5290 case NFA_START_INVISIBLE_NEG_FIRST:
91136a41f83f updated for version 7.3.1194 Bram Moolenaar <bram@vim.org> parents: 4893 diff changeset	5291 case NFA_START_INVISIBLE_BEFORE:
91136a41f83f updated for version 7.3.1194 Bram Moolenaar <bram@vim.org> parents: 4893 diff changeset	5292 case NFA_START_INVISIBLE_BEFORE_FIRST:
91136a41f83f updated for version 7.3.1194 Bram Moolenaar <bram@vim.org> parents: 4893 diff changeset	5293 case NFA_START_INVISIBLE_BEFORE_NEG:
91136a41f83f updated for version 7.3.1194 Bram Moolenaar <bram@vim.org> parents: 4893 diff changeset	5294 case NFA_START_INVISIBLE_BEFORE_NEG_FIRST:
91136a41f83f updated for version 7.3.1194 Bram Moolenaar <bram@vim.org> parents: 4893 diff changeset	5295 case NFA_START_PATTERN:
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	5296 // 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	5297 return 5;
91136a41f83f updated for version 7.3.1194 Bram Moolenaar <bram@vim.org> parents: 4893 diff changeset	5298
4742 6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5299 case NFA_BOL:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5300 case NFA_EOL:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5301 case NFA_BOF:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5302 case NFA_EOF:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5303 case NFA_NEWL:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5304 return 99;
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5305
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5306 case NFA_BOW:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5307 case NFA_EOW:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5308 return 90;
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5309
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5310 case NFA_MOPEN:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5311 case NFA_MOPEN1:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5312 case NFA_MOPEN2:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5313 case NFA_MOPEN3:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5314 case NFA_MOPEN4:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5315 case NFA_MOPEN5:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5316 case NFA_MOPEN6:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5317 case NFA_MOPEN7:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5318 case NFA_MOPEN8:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5319 case NFA_MOPEN9:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5320 #ifdef FEAT_SYN_HL
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5321 case NFA_ZOPEN:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5322 case NFA_ZOPEN1:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5323 case NFA_ZOPEN2:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5324 case NFA_ZOPEN3:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5325 case NFA_ZOPEN4:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5326 case NFA_ZOPEN5:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5327 case NFA_ZOPEN6:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5328 case NFA_ZOPEN7:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5329 case NFA_ZOPEN8:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5330 case NFA_ZOPEN9:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5331 case NFA_ZCLOSE:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5332 case NFA_ZCLOSE1:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5333 case NFA_ZCLOSE2:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5334 case NFA_ZCLOSE3:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5335 case NFA_ZCLOSE4:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5336 case NFA_ZCLOSE5:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5337 case NFA_ZCLOSE6:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5338 case NFA_ZCLOSE7:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5339 case NFA_ZCLOSE8:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5340 case NFA_ZCLOSE9:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5341 #endif
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5342 case NFA_NOPEN:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5343 case NFA_MCLOSE1:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5344 case NFA_MCLOSE2:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5345 case NFA_MCLOSE3:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5346 case NFA_MCLOSE4:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5347 case NFA_MCLOSE5:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5348 case NFA_MCLOSE6:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5349 case NFA_MCLOSE7:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5350 case NFA_MCLOSE8:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5351 case NFA_MCLOSE9:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5352 case NFA_NCLOSE:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5353 return failure_chance(state->out, depth + 1);
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5354
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5355 case NFA_BACKREF1:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5356 case NFA_BACKREF2:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5357 case NFA_BACKREF3:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5358 case NFA_BACKREF4:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5359 case NFA_BACKREF5:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5360 case NFA_BACKREF6:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5361 case NFA_BACKREF7:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5362 case NFA_BACKREF8:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5363 case NFA_BACKREF9:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5364 #ifdef FEAT_SYN_HL
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5365 case NFA_ZREF1:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5366 case NFA_ZREF2:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5367 case NFA_ZREF3:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5368 case NFA_ZREF4:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5369 case NFA_ZREF5:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5370 case NFA_ZREF6:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5371 case NFA_ZREF7:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5372 case NFA_ZREF8:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5373 case NFA_ZREF9:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5374 #endif
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	5375 // backreferences don't match in many places
4742 6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5376 return 94;
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5377
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5378 case NFA_LNUM_GT:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5379 case NFA_LNUM_LT:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5380 case NFA_COL_GT:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5381 case NFA_COL_LT:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5382 case NFA_VCOL_GT:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5383 case NFA_VCOL_LT:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5384 case NFA_MARK_GT:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5385 case NFA_MARK_LT:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5386 case NFA_VISUAL:
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	5387 // 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	5388 return 85;
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5389
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5390 case NFA_LNUM:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5391 return 90;
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5392
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5393 case NFA_CURSOR:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5394 case NFA_COL:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5395 case NFA_VCOL:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5396 case NFA_MARK:
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	5397 // specific positions rarely match
4742 6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5398 return 98;
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5399
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5400 case NFA_COMPOSING:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5401 return 95;
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5402
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5403 default:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5404 if (c > 0)
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	5405 // character match fails often
4742 6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5406 return 95;
4726 3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	5407 }
4742 6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5408
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	5409 // something else, includes character classes
4726 3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	5410 return 50;
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	5411 }
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	5412
4716 a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5413 /*
4801 3cd3cc1e9119 updated for version 7.3.1147 Bram Moolenaar <bram@vim.org> parents: 4799 diff changeset	5414 * 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	5415 */
3cd3cc1e9119 updated for version 7.3.1147 Bram Moolenaar <bram@vim.org> parents: 4799 diff changeset	5416 static int
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	5417 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	5418 {
3cd3cc1e9119 updated for version 7.3.1147 Bram Moolenaar <bram@vim.org> parents: 4799 diff changeset	5419 char_u *s;
3cd3cc1e9119 updated for version 7.3.1147 Bram Moolenaar <bram@vim.org> parents: 4799 diff changeset	5420
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	5421 // 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	5422 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	5423 s = vim_strbyte(rex.line + *colp, c);
4801 3cd3cc1e9119 updated for version 7.3.1147 Bram Moolenaar <bram@vim.org> parents: 4799 diff changeset	5424 else
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	5425 s = cstrchr(rex.line + *colp, c);
4801 3cd3cc1e9119 updated for version 7.3.1147 Bram Moolenaar <bram@vim.org> parents: 4799 diff changeset	5426 if (s == NULL)
3cd3cc1e9119 updated for version 7.3.1147 Bram Moolenaar <bram@vim.org> parents: 4799 diff changeset	5427 return FAIL;
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	5428 *colp = (int)(s - rex.line);
4801 3cd3cc1e9119 updated for version 7.3.1147 Bram Moolenaar <bram@vim.org> parents: 4799 diff changeset	5429 return OK;
3cd3cc1e9119 updated for version 7.3.1147 Bram Moolenaar <bram@vim.org> parents: 4799 diff changeset	5430 }
3cd3cc1e9119 updated for version 7.3.1147 Bram Moolenaar <bram@vim.org> parents: 4799 diff changeset	5431
3cd3cc1e9119 updated for version 7.3.1147 Bram Moolenaar <bram@vim.org> parents: 4799 diff changeset	5432 /*
4805 66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	5433 * Check for a match with match_text.
4807 3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	5434 * 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	5435 * 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	5436 */
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	5437 static long
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	5438 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	5439 {
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	5440 colnr_T col = startcol;
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	5441 int c1, c2;
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	5442 int len1, len2;
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	5443 int match;
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	5444
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	5445 for (;;)
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	5446 {
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	5447 match = TRUE;
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	5448 len2 = MB_CHAR2LEN(regstart); // skip regstart
4805 66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	5449 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	5450 {
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	5451 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	5452 c2 = PTR2CHAR(rex.line + col + len2);
10245 d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10170 diff changeset	5453 if (c1 != c2 && (!rex.reg_ic \|\| MB_TOLOWER(c1) != MB_TOLOWER(c2)))
4805 66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	5454 {
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	5455 match = FALSE;
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	5456 break;
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	5457 }
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	5458 len2 += MB_CHAR2LEN(c2);
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	5459 }
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	5460 if (match
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	5461 // check that no composing char follows
4805 66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	5462 && !(enc_utf8
15603 639b8318472c patch 8.1.0809: too many #ifdefs Bram Moolenaar <Bram@vim.org> parents: 15490 diff changeset	5463 && utf_iscomposing(PTR2CHAR(rex.line + col + len2))))
4805 66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	5464 {
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	5465 cleanup_subexpr();
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	5466 if (REG_MULTI)
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	5467 {
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	5468 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	5469 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	5470 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	5471 rex.reg_endpos[0].col = col + len2;
4805 66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	5472 }
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	5473 else
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	5474 {
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	5475 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	5476 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	5477 }
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	5478 return 1L;
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	5479 }
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	5480
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	5481 // 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	5482 col += MB_CHAR2LEN(regstart); // skip regstart
4805 66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	5483 if (skip_to_start(regstart, &col) == FAIL)
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	5484 break;
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	5485 }
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	5486 return 0L;
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	5487 }
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	5488
11521 578df034735d patch 8.0.0643: when a pattern search is slow Vim becomes unusable Christian Brabandt <cb@256bit.org> parents: 11480 diff changeset	5489 #ifdef FEAT_RELTIME
578df034735d patch 8.0.0643: when a pattern search is slow Vim becomes unusable Christian Brabandt <cb@256bit.org> parents: 11480 diff changeset	5490 static int
578df034735d patch 8.0.0643: when a pattern search is slow Vim becomes unusable Christian Brabandt <cb@256bit.org> parents: 11480 diff changeset	5491 nfa_did_time_out()
578df034735d patch 8.0.0643: when a pattern search is slow Vim becomes unusable Christian Brabandt <cb@256bit.org> parents: 11480 diff changeset	5492 {
578df034735d patch 8.0.0643: when a pattern search is slow Vim becomes unusable Christian Brabandt <cb@256bit.org> parents: 11480 diff changeset	5493 if (nfa_time_limit != NULL && profile_passed_limit(nfa_time_limit))
578df034735d patch 8.0.0643: when a pattern search is slow Vim becomes unusable Christian Brabandt <cb@256bit.org> parents: 11480 diff changeset	5494 {
578df034735d patch 8.0.0643: when a pattern search is slow Vim becomes unusable Christian Brabandt <cb@256bit.org> parents: 11480 diff changeset	5495 if (nfa_timed_out != NULL)
578df034735d patch 8.0.0643: when a pattern search is slow Vim becomes unusable Christian Brabandt <cb@256bit.org> parents: 11480 diff changeset	5496 *nfa_timed_out = TRUE;
578df034735d patch 8.0.0643: when a pattern search is slow Vim becomes unusable Christian Brabandt <cb@256bit.org> parents: 11480 diff changeset	5497 return TRUE;
578df034735d patch 8.0.0643: when a pattern search is slow Vim becomes unusable Christian Brabandt <cb@256bit.org> parents: 11480 diff changeset	5498 }
578df034735d patch 8.0.0643: when a pattern search is slow Vim becomes unusable Christian Brabandt <cb@256bit.org> parents: 11480 diff changeset	5499 return FALSE;
578df034735d patch 8.0.0643: when a pattern search is slow Vim becomes unusable Christian Brabandt <cb@256bit.org> parents: 11480 diff changeset	5500 }
578df034735d patch 8.0.0643: when a pattern search is slow Vim becomes unusable Christian Brabandt <cb@256bit.org> parents: 11480 diff changeset	5501 #endif
578df034735d patch 8.0.0643: when a pattern search is slow Vim becomes unusable Christian Brabandt <cb@256bit.org> parents: 11480 diff changeset	5502
4805 66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	5503 /*
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5504 * Main matching routine.
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5505 *
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	5506 * 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	5507 *
4694 efc4fb311d5d updated for version 7.3.1094 Bram Moolenaar <bram@vim.org> parents: 4692 diff changeset	5508 * 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	5509 *
16491 38a323a6fd18 patch 8.1.1249: compiler warning for uninitialized variable Bram Moolenaar <Bram@vim.org> parents: 16162 diff changeset	5510 * 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	5511 * 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	5512 * 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	5513 *
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5514 * Note: Caller must ensure that: start != NULL.
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5515 */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5516 static int
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	5517 nfa_regmatch(
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	5518 nfa_regprog_T *prog,
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	5519 nfa_state_T *start,
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	5520 regsubs_T *submatch,
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	5521 regsubs_T *m)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5522 {
16491 38a323a6fd18 patch 8.1.1249: compiler warning for uninitialized variable Bram Moolenaar <Bram@vim.org> parents: 16162 diff changeset	5523 int result = FALSE;
6545 1ef8ce97fc40 updated for version 7.4.599 Bram Moolenaar <bram@vim.org> parents: 6533 diff changeset	5524 size_t size = 0;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5525 int flag = 0;
4539 532c2e850256 updated for version 7.3.1017 Bram Moolenaar <bram@vim.org> parents: 4537 diff changeset	5526 int go_to_nextline = FALSE;
532c2e850256 updated for version 7.3.1017 Bram Moolenaar <bram@vim.org> parents: 4537 diff changeset	5527 nfa_thread_T *t;
4783 47222d8b1e94 updated for version 7.3.1138 Bram Moolenaar <bram@vim.org> parents: 4781 diff changeset	5528 nfa_list_T list[2];
4549 849180347ac3 updated for version 7.3.1022 Bram Moolenaar <bram@vim.org> parents: 4547 diff changeset	5529 int listidx;
4539 532c2e850256 updated for version 7.3.1017 Bram Moolenaar <bram@vim.org> parents: 4537 diff changeset	5530 nfa_list_T *thislist;
532c2e850256 updated for version 7.3.1017 Bram Moolenaar <bram@vim.org> parents: 4537 diff changeset	5531 nfa_list_T *nextlist;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5532 int *listids = NULL;
14309 15530de011bc patch 8.1.0170: invalid memory use with complicated pattern Christian Brabandt <cb@256bit.org> parents: 14173 diff changeset	5533 int listids_len = 0;
4726 3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	5534 nfa_state_T *add_state;
4799 e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	5535 int add_here;
4797 a30e3762957d updated for version 7.3.1145 Bram Moolenaar <bram@vim.org> parents: 4787 diff changeset	5536 int add_count;
4819 8c4324e6f477 updated for version 7.3.1156 Bram Moolenaar <bram@vim.org> parents: 4815 diff changeset	5537 int add_off = 0;
4797 a30e3762957d updated for version 7.3.1145 Bram Moolenaar <bram@vim.org> parents: 4787 diff changeset	5538 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	5539 regsubs_T *r;
4460 fe8a0a6a1c2a updated for version 7.3.978 Bram Moolenaar <bram@vim.org> parents: 4458 diff changeset	5540 #ifdef NFA_REGEXP_DEBUG_LOG
8989 e600e696c0a1 commit https://github.com/vim/vim/commit/dc633cf82758f67f656cda7fa8ccc30414ee53f8 Christian Brabandt <cb@256bit.org> parents: 8841 diff changeset	5541 FILE *debug;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5542 #endif
8989 e600e696c0a1 commit https://github.com/vim/vim/commit/dc633cf82758f67f656cda7fa8ccc30414ee53f8 Christian Brabandt <cb@256bit.org> parents: 8841 diff changeset	5543
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	5544 // 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	5545 // 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	5546 fast_breakcheck();
b04bdb2c5fce updated for version 7.4.008 Bram Moolenaar <bram@vim.org> parents: 5300 diff changeset	5547 if (got_int)
b04bdb2c5fce updated for version 7.4.008 Bram Moolenaar <bram@vim.org> parents: 5300 diff changeset	5548 return FALSE;
6573 ffba266e064d updated for version 7.4.613 Bram Moolenaar <bram@vim.org> parents: 6547 diff changeset	5549 #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	5550 if (nfa_did_time_out())
6573 ffba266e064d updated for version 7.4.613 Bram Moolenaar <bram@vim.org> parents: 6547 diff changeset	5551 return FALSE;
ffba266e064d updated for version 7.4.613 Bram Moolenaar <bram@vim.org> parents: 6547 diff changeset	5552 #endif
5310 b04bdb2c5fce updated for version 7.4.008 Bram Moolenaar <bram@vim.org> parents: 5300 diff changeset	5553
8989 e600e696c0a1 commit https://github.com/vim/vim/commit/dc633cf82758f67f656cda7fa8ccc30414ee53f8 Christian Brabandt <cb@256bit.org> parents: 8841 diff changeset	5554 #ifdef NFA_REGEXP_DEBUG_LOG
e600e696c0a1 commit https://github.com/vim/vim/commit/dc633cf82758f67f656cda7fa8ccc30414ee53f8 Christian Brabandt <cb@256bit.org> parents: 8841 diff changeset	5555 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	5556 if (debug == NULL)
e600e696c0a1 commit https://github.com/vim/vim/commit/dc633cf82758f67f656cda7fa8ccc30414ee53f8 Christian Brabandt <cb@256bit.org> parents: 8841 diff changeset	5557 {
15470 55ccc2d353bd patch 8.1.0743: giving error messages is not flexible Bram Moolenaar <Bram@vim.org> parents: 15265 diff changeset	5558 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	5559 return FALSE;
e600e696c0a1 commit https://github.com/vim/vim/commit/dc633cf82758f67f656cda7fa8ccc30414ee53f8 Christian Brabandt <cb@256bit.org> parents: 8841 diff changeset	5560 }
e600e696c0a1 commit https://github.com/vim/vim/commit/dc633cf82758f67f656cda7fa8ccc30414ee53f8 Christian Brabandt <cb@256bit.org> parents: 8841 diff changeset	5561 #endif
4561 4d81fdda8f35 updated for version 7.3.1028 Bram Moolenaar <bram@vim.org> parents: 4559 diff changeset	5562 nfa_match = FALSE;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5563
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	5564 // 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	5565 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	5566
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	5567 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	5568 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	5569 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	5570 list[1].len = prog->nstate + 1;
4783 47222d8b1e94 updated for version 7.3.1138 Bram Moolenaar <bram@vim.org> parents: 4781 diff changeset	5571 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	5572 goto theend;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5573
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5574 #ifdef ENABLE_LOG
4531 1be43c095aff updated for version 7.3.1013 Bram Moolenaar <bram@vim.org> parents: 4529 diff changeset	5575 log_fd = fopen(NFA_REGEXP_RUN_LOG, "a");
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5576 if (log_fd != NULL)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5577 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5578 fprintf(log_fd, "**********************************\n");
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5579 nfa_set_code(start->c);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5580 fprintf(log_fd, " RUNNING nfa_regmatch() starting with state %d, code %s\n",
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5581 abs(start->id), code);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5582 fprintf(log_fd, "**********************************\n");
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5583 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5584 else
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5585 {
15470 55ccc2d353bd patch 8.1.0743: giving error messages is not flexible Bram Moolenaar <Bram@vim.org> parents: 15265 diff changeset	5586 emsg(_(e_log_open_failed));
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5587 log_fd = stderr;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5588 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5589 #endif
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5590
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5591 thislist = &list[0];
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5592 thislist->n = 0;
5227 a08fa2919f2b updated for version 7.4a.039 Bram Moolenaar <bram@vim.org> parents: 5221 diff changeset	5593 thislist->has_pim = FALSE;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5594 nextlist = &list[1];
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5595 nextlist->n = 0;
5227 a08fa2919f2b updated for version 7.4a.039 Bram Moolenaar <bram@vim.org> parents: 5221 diff changeset	5596 nextlist->has_pim = FALSE;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5597 #ifdef ENABLE_LOG
4797 a30e3762957d updated for version 7.3.1145 Bram Moolenaar <bram@vim.org> parents: 4787 diff changeset	5598 fprintf(log_fd, "(---) STARTSTATE first\n");
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5599 #endif
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	5600 thislist->id = rex.nfa_listid + 1;
4797 a30e3762957d updated for version 7.3.1145 Bram Moolenaar <bram@vim.org> parents: 4787 diff changeset	5601
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	5602 // 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	5603 // it's the first MOPEN.
4797 a30e3762957d updated for version 7.3.1145 Bram Moolenaar <bram@vim.org> parents: 4787 diff changeset	5604 if (toplevel)
a30e3762957d updated for version 7.3.1145 Bram Moolenaar <bram@vim.org> parents: 4787 diff changeset	5605 {
a30e3762957d updated for version 7.3.1145 Bram Moolenaar <bram@vim.org> parents: 4787 diff changeset	5606 if (REG_MULTI)
a30e3762957d updated for version 7.3.1145 Bram Moolenaar <bram@vim.org> parents: 4787 diff changeset	5607 {
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	5608 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	5609 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	5610 }
a30e3762957d updated for version 7.3.1145 Bram Moolenaar <bram@vim.org> parents: 4787 diff changeset	5611 else
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	5612 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	5613 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	5614 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	5615 }
a30e3762957d updated for version 7.3.1145 Bram Moolenaar <bram@vim.org> parents: 4787 diff changeset	5616 else
15796 481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	5617 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	5618 if (r == NULL)
481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	5619 {
481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	5620 nfa_match = NFA_TOO_EXPENSIVE;
481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	5621 goto theend;
481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	5622 }
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5623
4783 47222d8b1e94 updated for version 7.3.1138 Bram Moolenaar <bram@vim.org> parents: 4781 diff changeset	5624 #define ADD_STATE_IF_MATCH(state) \
47222d8b1e94 updated for version 7.3.1138 Bram Moolenaar <bram@vim.org> parents: 4781 diff changeset	5625 if (result) { \
4726 3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	5626 add_state = state->out; \
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	5627 add_off = clen; \
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	5628 }
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5629
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5630 /*
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5631 * Run for each character.
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5632 */
4515 90e9917d4114 updated for version 7.3.1005 Bram Moolenaar <bram@vim.org> parents: 4507 diff changeset	5633 for (;;)
90e9917d4114 updated for version 7.3.1005 Bram Moolenaar <bram@vim.org> parents: 4507 diff changeset	5634 {
4549 849180347ac3 updated for version 7.3.1022 Bram Moolenaar <bram@vim.org> parents: 4547 diff changeset	5635 int curc;
849180347ac3 updated for version 7.3.1022 Bram Moolenaar <bram@vim.org> parents: 4547 diff changeset	5636 int clen;
849180347ac3 updated for version 7.3.1022 Bram Moolenaar <bram@vim.org> parents: 4547 diff changeset	5637
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5638 if (has_mbyte)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5639 {
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	5640 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	5641 clen = (*mb_ptr2len)(rex.input);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5642 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5643 else
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5644 {
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	5645 curc = *rex.input;
4549 849180347ac3 updated for version 7.3.1022 Bram Moolenaar <bram@vim.org> parents: 4547 diff changeset	5646 clen = 1;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5647 }
4549 849180347ac3 updated for version 7.3.1022 Bram Moolenaar <bram@vim.org> parents: 4547 diff changeset	5648 if (curc == NUL)
4515 90e9917d4114 updated for version 7.3.1005 Bram Moolenaar <bram@vim.org> parents: 4507 diff changeset	5649 {
4549 849180347ac3 updated for version 7.3.1022 Bram Moolenaar <bram@vim.org> parents: 4547 diff changeset	5650 clen = 0;
4515 90e9917d4114 updated for version 7.3.1005 Bram Moolenaar <bram@vim.org> parents: 4507 diff changeset	5651 go_to_nextline = FALSE;
90e9917d4114 updated for version 7.3.1005 Bram Moolenaar <bram@vim.org> parents: 4507 diff changeset	5652 }
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5653
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	5654 // swap lists
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5655 thislist = &list[flag];
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5656 nextlist = &list[flag ^= 1];
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	5657 nextlist->n = 0; // clear nextlist
5227 a08fa2919f2b updated for version 7.4a.039 Bram Moolenaar <bram@vim.org> parents: 5221 diff changeset	5658 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	5659 ++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	5660 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	5661 && (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	5662 # ifdef FEAT_EVAL
4b59671bce9c patch 8.1.0104: can't build without the +eval feature Christian Brabandt <cb@256bit.org> parents: 14163 diff changeset	5663 \|\| 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	5664 # endif
4b59671bce9c patch 8.1.0104: can't build without the +eval feature Christian Brabandt <cb@256bit.org> parents: 14163 diff changeset	5665 ))
6328 adfbffe1e642 updated for version 7.4.497 Bram Moolenaar <bram@vim.org> parents: 6280 diff changeset	5666 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	5667 // too many states, retry with old engine
6328 adfbffe1e642 updated for version 7.4.497 Bram Moolenaar <bram@vim.org> parents: 6280 diff changeset	5668 nfa_match = NFA_TOO_EXPENSIVE;
adfbffe1e642 updated for version 7.4.497 Bram Moolenaar <bram@vim.org> parents: 6280 diff changeset	5669 goto theend;
adfbffe1e642 updated for version 7.4.497 Bram Moolenaar <bram@vim.org> parents: 6280 diff changeset	5670 }
adfbffe1e642 updated for version 7.4.497 Bram Moolenaar <bram@vim.org> parents: 6280 diff changeset	5671
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	5672 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	5673 nextlist->id = rex.nfa_listid + 1;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5674
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5675 #ifdef ENABLE_LOG
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5676 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	5677 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	5678 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	5679 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	5680 {
849180347ac3 updated for version 7.3.1022 Bram Moolenaar <bram@vim.org> parents: 4547 diff changeset	5681 int i;
849180347ac3 updated for version 7.3.1022 Bram Moolenaar <bram@vim.org> parents: 4547 diff changeset	5682
849180347ac3 updated for version 7.3.1022 Bram Moolenaar <bram@vim.org> parents: 4547 diff changeset	5683 for (i = 0; i < thislist->n; i++)
849180347ac3 updated for version 7.3.1022 Bram Moolenaar <bram@vim.org> parents: 4547 diff changeset	5684 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	5685 }
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5686 fprintf(log_fd, "\n");
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5687 #endif
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5688
4460 fe8a0a6a1c2a updated for version 7.3.978 Bram Moolenaar <bram@vim.org> parents: 4458 diff changeset	5689 #ifdef NFA_REGEXP_DEBUG_LOG
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5690 fprintf(debug, "\n-------------------\n");
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5691 #endif
4480 035fb0d5e7ce updated for version 7.3.988 Bram Moolenaar <bram@vim.org> parents: 4470 diff changeset	5692 /*
035fb0d5e7ce updated for version 7.3.988 Bram Moolenaar <bram@vim.org> parents: 4470 diff changeset	5693 * 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	5694 */
4783 47222d8b1e94 updated for version 7.3.1138 Bram Moolenaar <bram@vim.org> parents: 4781 diff changeset	5695 if (thislist->n == 0)
4480 035fb0d5e7ce updated for version 7.3.988 Bram Moolenaar <bram@vim.org> parents: 4470 diff changeset	5696 break;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5697
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	5698 // compute nextlist
4783 47222d8b1e94 updated for version 7.3.1138 Bram Moolenaar <bram@vim.org> parents: 4781 diff changeset	5699 for (listidx = 0; listidx < thislist->n; ++listidx)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5700 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	5701 // 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	5702 // 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	5703 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	5704 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	5705 break;
578df034735d patch 8.0.0643: when a pattern search is slow Vim becomes unusable Christian Brabandt <cb@256bit.org> parents: 11480 diff changeset	5706 #ifdef FEAT_RELTIME
578df034735d patch 8.0.0643: when a pattern search is slow Vim becomes unusable Christian Brabandt <cb@256bit.org> parents: 11480 diff changeset	5707 if (nfa_time_limit != NULL && ++nfa_time_count == 20)
578df034735d patch 8.0.0643: when a pattern search is slow Vim becomes unusable Christian Brabandt <cb@256bit.org> parents: 11480 diff changeset	5708 {
578df034735d patch 8.0.0643: when a pattern search is slow Vim becomes unusable Christian Brabandt <cb@256bit.org> parents: 11480 diff changeset	5709 nfa_time_count = 0;
578df034735d patch 8.0.0643: when a pattern search is slow Vim becomes unusable Christian Brabandt <cb@256bit.org> parents: 11480 diff changeset	5710 if (nfa_did_time_out())
578df034735d patch 8.0.0643: when a pattern search is slow Vim becomes unusable Christian Brabandt <cb@256bit.org> parents: 11480 diff changeset	5711 break;
578df034735d patch 8.0.0643: when a pattern search is slow Vim becomes unusable Christian Brabandt <cb@256bit.org> parents: 11480 diff changeset	5712 }
578df034735d patch 8.0.0643: when a pattern search is slow Vim becomes unusable Christian Brabandt <cb@256bit.org> parents: 11480 diff changeset	5713 #endif
4783 47222d8b1e94 updated for version 7.3.1138 Bram Moolenaar <bram@vim.org> parents: 4781 diff changeset	5714 t = &thislist->t[listidx];
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5715
4460 fe8a0a6a1c2a updated for version 7.3.978 Bram Moolenaar <bram@vim.org> parents: 4458 diff changeset	5716 #ifdef NFA_REGEXP_DEBUG_LOG
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5717 nfa_set_code(t->state->c);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5718 fprintf(debug, "%s, ", code);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5719 #endif
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5720 #ifdef ENABLE_LOG
4657 93b7ed814bec updated for version 7.3.1076 Bram Moolenaar <bram@vim.org> parents: 4655 diff changeset	5721 {
93b7ed814bec updated for version 7.3.1076 Bram Moolenaar <bram@vim.org> parents: 4655 diff changeset	5722 int col;
93b7ed814bec updated for version 7.3.1076 Bram Moolenaar <bram@vim.org> parents: 4655 diff changeset	5723
4690 9d97a0c045ef updated for version 7.3.1092 Bram Moolenaar <bram@vim.org> parents: 4688 diff changeset	5724 if (t->subs.norm.in_use <= 0)
4657 93b7ed814bec updated for version 7.3.1076 Bram Moolenaar <bram@vim.org> parents: 4655 diff changeset	5725 col = -1;
93b7ed814bec updated for version 7.3.1076 Bram Moolenaar <bram@vim.org> parents: 4655 diff changeset	5726 else if (REG_MULTI)
6547 436d6c9e57f2 updated for version 7.4.600 Bram Moolenaar <bram@vim.org> parents: 6545 diff changeset	5727 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	5728 else
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	5729 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	5730 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	5731 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	5732 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	5733 pim_info(&t->pim));
4657 93b7ed814bec updated for version 7.3.1076 Bram Moolenaar <bram@vim.org> parents: 4655 diff changeset	5734 }
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5735 #endif
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5736
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5737 /*
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5738 * Handle the possible codes of the current state.
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5739 * The most important is NFA_MATCH.
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5740 */
4726 3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	5741 add_state = NULL;
4799 e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	5742 add_here = FALSE;
4726 3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	5743 add_count = 0;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5744 switch (t->state->c)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5745 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5746 case NFA_MATCH:
4567 96c1a7850097 updated for version 7.3.1031 Bram Moolenaar <bram@vim.org> parents: 4565 diff changeset	5747 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	5748 // If the match ends before a composing characters and
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	5749 // rex.reg_icombine is not set, that is not really a match.
10245 d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10170 diff changeset	5750 if (enc_utf8 && !rex.reg_icombine && utf_iscomposing(curc))
5901 10fc95f48546 updated for version 7.4.293 Bram Moolenaar <bram@vim.org> parents: 5895 diff changeset	5751 break;
15603 639b8318472c patch 8.1.0809: too many #ifdefs Bram Moolenaar <Bram@vim.org> parents: 15490 diff changeset	5752
4561 4d81fdda8f35 updated for version 7.3.1028 Bram Moolenaar <bram@vim.org> parents: 4559 diff changeset	5753 nfa_match = TRUE;
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	5754 copy_sub(&submatch->norm, &t->subs.norm);
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	5755 #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	5756 if (rex.nfa_has_zsubexpr)
4712 832bf8136d86 updated for version 7.3.1103 Bram Moolenaar <bram@vim.org> parents: 4696 diff changeset	5757 copy_sub(&submatch->synt, &t->subs.synt);
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	5758 #endif
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5759 #ifdef ENABLE_LOG
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	5760 log_subsexpr(&t->subs);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5761 #endif
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	5762 // 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	5763 // 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	5764 // 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	5765 // correct.
4783 47222d8b1e94 updated for version 7.3.1138 Bram Moolenaar <bram@vim.org> parents: 4781 diff changeset	5766 if (nextlist->n == 0)
4553 7b835b2969af updated for version 7.3.1024 Bram Moolenaar <bram@vim.org> parents: 4551 diff changeset	5767 clen = 0;
4515 90e9917d4114 updated for version 7.3.1005 Bram Moolenaar <bram@vim.org> parents: 4507 diff changeset	5768 goto nextchar;
4567 96c1a7850097 updated for version 7.3.1031 Bram Moolenaar <bram@vim.org> parents: 4565 diff changeset	5769 }
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5770
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5771 case NFA_END_INVISIBLE:
4785 3b5a023a4543 updated for version 7.3.1139 Bram Moolenaar <bram@vim.org> parents: 4783 diff changeset	5772 case NFA_END_INVISIBLE_NEG:
4750 7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	5773 case NFA_END_PATTERN:
4716 a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5774 /*
a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5775 * 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	5776 * NFA_START_INVISIBLE_BEFORE node.
2f51ee8825db updated for version 7.3.1088 Bram Moolenaar <bram@vim.org> parents: 4679 diff changeset	5777 * They surround a zero-width group, used with "\@=", "\&",
2f51ee8825db updated for version 7.3.1088 Bram Moolenaar <bram@vim.org> parents: 4679 diff changeset	5778 * "\@!", "\@<=" and "\@<!".
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5779 * 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	5780 * 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	5781 * 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	5782 * in the position in "nfa_endp".
a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5783 * 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	5784 */
4682 2f51ee8825db updated for version 7.3.1088 Bram Moolenaar <bram@vim.org> parents: 4679 diff changeset	5785 #ifdef ENABLE_LOG
4716 a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5786 if (nfa_endp != NULL)
a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5787 {
a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5788 if (REG_MULTI)
a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5789 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	5790 (int)rex.lnum,
4716 a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5791 (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	5792 (int)(rex.input - rex.line),
4716 a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5793 nfa_endp->se_u.pos.col);
a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5794 else
a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5795 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	5796 (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	5797 (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	5798 }
4682 2f51ee8825db updated for version 7.3.1088 Bram Moolenaar <bram@vim.org> parents: 4679 diff changeset	5799 #endif
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	5800 // 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	5801 // "nfa_endp"
4716 a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5802 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	5803 ? (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	5804 \|\| (int)(rex.input - rex.line)
4716 a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5805 != 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	5806 : rex.input != nfa_endp->se_u.ptr))
4716 a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5807 break;
a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5808
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	5809 // do not set submatches for \@!
4785 3b5a023a4543 updated for version 7.3.1139 Bram Moolenaar <bram@vim.org> parents: 4783 diff changeset	5810 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	5811 {
a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5812 copy_sub(&m->norm, &t->subs.norm);
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	5813 #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	5814 if (rex.nfa_has_zsubexpr)
4716 a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5815 copy_sub(&m->synt, &t->subs.synt);
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	5816 #endif
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5817 }
4750 7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	5818 #ifdef ENABLE_LOG
7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	5819 fprintf(log_fd, "Match found:\n");
7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	5820 log_subsexpr(m);
7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	5821 #endif
4716 a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5822 nfa_match = TRUE;
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	5823 // See comment above at "goto nextchar".
5334 c1ae5baa41f4 updated for version 7.4.020 Bram Moolenaar <bram@vim.org> parents: 5310 diff changeset	5824 if (nextlist->n == 0)
c1ae5baa41f4 updated for version 7.4.020 Bram Moolenaar <bram@vim.org> parents: 5310 diff changeset	5825 clen = 0;
c1ae5baa41f4 updated for version 7.4.020 Bram Moolenaar <bram@vim.org> parents: 5310 diff changeset	5826 goto nextchar;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5827
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5828 case NFA_START_INVISIBLE:
4845 a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	5829 case NFA_START_INVISIBLE_FIRST:
4785 3b5a023a4543 updated for version 7.3.1139 Bram Moolenaar <bram@vim.org> parents: 4783 diff changeset	5830 case NFA_START_INVISIBLE_NEG:
4845 a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	5831 case NFA_START_INVISIBLE_NEG_FIRST:
4682 2f51ee8825db updated for version 7.3.1088 Bram Moolenaar <bram@vim.org> parents: 4679 diff changeset	5832 case NFA_START_INVISIBLE_BEFORE:
4845 a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	5833 case NFA_START_INVISIBLE_BEFORE_FIRST:
4785 3b5a023a4543 updated for version 7.3.1139 Bram Moolenaar <bram@vim.org> parents: 4783 diff changeset	5834 case NFA_START_INVISIBLE_BEFORE_NEG:
4845 a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	5835 case NFA_START_INVISIBLE_BEFORE_NEG_FIRST:
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5836 {
4821 2f1ee97f5f23 updated for version 7.3.1157 Bram Moolenaar <bram@vim.org> parents: 4819 diff changeset	5837 #ifdef ENABLE_LOG
2f1ee97f5f23 updated for version 7.3.1157 Bram Moolenaar <bram@vim.org> parents: 4819 diff changeset	5838 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	5839 failure_chance(t->state->out, 0),
2f1ee97f5f23 updated for version 7.3.1157 Bram Moolenaar <bram@vim.org> parents: 4819 diff changeset	5840 failure_chance(t->state->out1->out, 0));
2f1ee97f5f23 updated for version 7.3.1157 Bram Moolenaar <bram@vim.org> parents: 4819 diff changeset	5841 #endif
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	5842 // 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	5843 // nfa_postprocess() detected it will work better.
4845 a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	5844 if (t->pim.result != NFA_PIM_UNUSED
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	5845 \|\| t->state->c == NFA_START_INVISIBLE_FIRST
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	5846 \|\| t->state->c == NFA_START_INVISIBLE_NEG_FIRST
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	5847 \|\| t->state->c == NFA_START_INVISIBLE_BEFORE_FIRST
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	5848 \|\| 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	5849 {
5029 c9e2ccc53f2e updated for version 7.3.1258 Bram Moolenaar <bram@vim.org> parents: 5006 diff changeset	5850 int in_use = m->norm.in_use;
c9e2ccc53f2e updated for version 7.3.1258 Bram Moolenaar <bram@vim.org> parents: 5006 diff changeset	5851
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	5852 // 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	5853 // of what happens on success below.
4997 8a7d3a73adab updated for version 7.3.1243 Bram Moolenaar <bram@vim.org> parents: 4958 diff changeset	5854 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	5855 #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	5856 if (rex.nfa_has_zsubexpr)
5370 90e2f0729a0d updated for version 7.4.036 Bram Moolenaar <bram@vim.org> parents: 5360 diff changeset	5857 copy_sub_off(&m->synt, &t->subs.synt);
90e2f0729a0d updated for version 7.4.036 Bram Moolenaar <bram@vim.org> parents: 5360 diff changeset	5858 #endif
4997 8a7d3a73adab updated for version 7.3.1243 Bram Moolenaar <bram@vim.org> parents: 4958 diff changeset	5859
4726 3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	5860 /*
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	5861 * First try matching the invisible match, then what
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	5862 * follows.
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	5863 */
4813 bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	5864 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	5865 submatch, m, &listids, &listids_len);
6328 adfbffe1e642 updated for version 7.4.497 Bram Moolenaar <bram@vim.org> parents: 6280 diff changeset	5866 if (result == NFA_TOO_EXPENSIVE)
adfbffe1e642 updated for version 7.4.497 Bram Moolenaar <bram@vim.org> parents: 6280 diff changeset	5867 {
adfbffe1e642 updated for version 7.4.497 Bram Moolenaar <bram@vim.org> parents: 6280 diff changeset	5868 nfa_match = result;
adfbffe1e642 updated for version 7.4.497 Bram Moolenaar <bram@vim.org> parents: 6280 diff changeset	5869 goto theend;
adfbffe1e642 updated for version 7.4.497 Bram Moolenaar <bram@vim.org> parents: 6280 diff changeset	5870 }
4726 3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	5871
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	5872 // 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	5873 // FALSE
4785 3b5a023a4543 updated for version 7.3.1139 Bram Moolenaar <bram@vim.org> parents: 4783 diff changeset	5874 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	5875 \|\| t->state->c == NFA_START_INVISIBLE_NEG_FIRST
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	5876 \|\| t->state->c
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	5877 == NFA_START_INVISIBLE_BEFORE_NEG
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	5878 \|\| t->state->c
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	5879 == NFA_START_INVISIBLE_BEFORE_NEG_FIRST))
4726 3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	5880 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	5881 // Copy submatch info from the recursive call
4726 3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	5882 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	5883 #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	5884 if (rex.nfa_has_zsubexpr)
4768 82e6588762e4 updated for version 7.3.1131 Bram Moolenaar <bram@vim.org> parents: 4762 diff changeset	5885 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	5886 #endif
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	5887 // 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	5888 // sub pattern, use it.
5372 c3d379c2a115 updated for version 7.4.037 Bram Moolenaar <bram@vim.org> parents: 5370 diff changeset	5889 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	5890
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	5891 // 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	5892 // 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	5893 // list (zero-width match).
4799 e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	5894 add_here = TRUE;
e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	5895 add_state = t->state->out1->out;
4726 3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	5896 }
5029 c9e2ccc53f2e updated for version 7.3.1258 Bram Moolenaar <bram@vim.org> parents: 5006 diff changeset	5897 m->norm.in_use = in_use;
4726 3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	5898 }
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	5899 else
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	5900 {
4813 bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	5901 nfa_pim_T pim;
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	5902
4726 3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	5903 /*
4813 bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	5904 * 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	5905 * 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	5906 * 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	5907 * about the invisible match.
4726 3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	5908 */
4813 bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	5909 pim.state = t->state;
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	5910 pim.result = NFA_PIM_TODO;
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	5911 pim.subs.norm.in_use = 0;
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	5912 #ifdef FEAT_SYN_HL
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	5913 pim.subs.synt.in_use = 0;
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	5914 #endif
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	5915 if (REG_MULTI)
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	5916 {
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	5917 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	5918 pim.end.pos.lnum = rex.lnum;
4813 bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	5919 }
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	5920 else
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	5921 pim.end.ptr = rex.input;
4726 3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	5922
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	5923 // 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	5924 // 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	5925 // match).
15796 481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	5926 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	5927 &t->subs, &pim, &listidx) == NULL)
481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	5928 {
481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	5929 nfa_match = NFA_TOO_EXPENSIVE;
481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	5930 goto theend;
481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	5931 }
4726 3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	5932 }
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5933 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5934 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5935
4750 7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	5936 case NFA_START_PATTERN:
4787 7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	5937 {
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	5938 nfa_state_T *skip = NULL;
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	5939 #ifdef ENABLE_LOG
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	5940 int skip_lid = 0;
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	5941 #endif
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	5942
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	5943 // 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	5944 // 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	5945 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	5946 {
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	5947 skip = t->state->out1->out;
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	5948 #ifdef ENABLE_LOG
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	5949 skip_lid = nextlist->id;
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	5950 #endif
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	5951 }
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	5952 else if (state_in_list(nextlist,
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	5953 t->state->out1->out->out, &t->subs))
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	5954 {
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	5955 skip = t->state->out1->out->out;
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	5956 #ifdef ENABLE_LOG
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	5957 skip_lid = nextlist->id;
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	5958 #endif
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	5959 }
4897 91136a41f83f updated for version 7.3.1194 Bram Moolenaar <bram@vim.org> parents: 4893 diff changeset	5960 else if (state_in_list(thislist,
4787 7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	5961 t->state->out1->out->out, &t->subs))
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	5962 {
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	5963 skip = t->state->out1->out->out;
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	5964 #ifdef ENABLE_LOG
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	5965 skip_lid = thislist->id;
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	5966 #endif
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	5967 }
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	5968 if (skip != NULL)
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	5969 {
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	5970 #ifdef ENABLE_LOG
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	5971 nfa_set_code(skip->c);
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	5972 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	5973 abs(skip->id), skip_lid, skip->c, code);
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	5974 #endif
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	5975 break;
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	5976 }
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	5977 // 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	5978 // happens afterwards.
5370 90e2f0729a0d updated for version 7.4.036 Bram Moolenaar <bram@vim.org> parents: 5360 diff changeset	5979 copy_sub_off(&m->norm, &t->subs.norm);
90e2f0729a0d updated for version 7.4.036 Bram Moolenaar <bram@vim.org> parents: 5360 diff changeset	5980 #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	5981 if (rex.nfa_has_zsubexpr)
5370 90e2f0729a0d updated for version 7.4.036 Bram Moolenaar <bram@vim.org> parents: 5360 diff changeset	5982 copy_sub_off(&m->synt, &t->subs.synt);
90e2f0729a0d updated for version 7.4.036 Bram Moolenaar <bram@vim.org> parents: 5360 diff changeset	5983 #endif
4787 7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	5984
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	5985 // First try matching the pattern.
4813 bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	5986 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	5987 submatch, m, &listids, &listids_len);
6328 adfbffe1e642 updated for version 7.4.497 Bram Moolenaar <bram@vim.org> parents: 6280 diff changeset	5988 if (result == NFA_TOO_EXPENSIVE)
adfbffe1e642 updated for version 7.4.497 Bram Moolenaar <bram@vim.org> parents: 6280 diff changeset	5989 {
adfbffe1e642 updated for version 7.4.497 Bram Moolenaar <bram@vim.org> parents: 6280 diff changeset	5990 nfa_match = result;
adfbffe1e642 updated for version 7.4.497 Bram Moolenaar <bram@vim.org> parents: 6280 diff changeset	5991 goto theend;
adfbffe1e642 updated for version 7.4.497 Bram Moolenaar <bram@vim.org> parents: 6280 diff changeset	5992 }
4750 7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	5993 if (result)
7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	5994 {
7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	5995 int bytelen;
7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	5996
7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	5997 #ifdef ENABLE_LOG
7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	5998 fprintf(log_fd, "NFA_START_PATTERN matches:\n");
7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	5999 log_subsexpr(m);
7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	6000 #endif
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6001 // Copy submatch info from the recursive call
4750 7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	6002 copy_sub_off(&t->subs.norm, &m->norm);
7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	6003 #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	6004 if (rex.nfa_has_zsubexpr)
4768 82e6588762e4 updated for version 7.3.1131 Bram Moolenaar <bram@vim.org> parents: 4762 diff changeset	6005 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	6006 #endif
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6007 // 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	6008 // continue with what follows.
4750 7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	6009 if (REG_MULTI)
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6010 // TODO: multi-line match
6547 436d6c9e57f2 updated for version 7.4.600 Bram Moolenaar <bram@vim.org> parents: 6545 diff changeset	6011 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	6012 - (int)(rex.input - rex.line);
4750 7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	6013 else
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	6014 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	6015
7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	6016 #ifdef ENABLE_LOG
7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	6017 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	6018 #endif
7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	6019 if (bytelen == 0)
7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	6020 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6021 // empty match, output of corresponding
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6022 // 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	6023 // position
4799 e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6024 add_here = TRUE;
e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6025 add_state = t->state->out1->out->out;
4750 7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	6026 }
7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	6027 else if (bytelen <= clen)
7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	6028 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6029 // 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	6030 // 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	6031 add_state = t->state->out1->out->out;
7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	6032 add_off = clen;
7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	6033 }
7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	6034 else
7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	6035 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6036 // 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	6037 // count in NFA_SKIP
4750 7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	6038 add_state = t->state->out1->out;
7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	6039 add_off = bytelen;
7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	6040 add_count = bytelen - clen;
7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	6041 }
7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	6042 }
7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	6043 break;
4787 7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	6044 }
4750 7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	6045
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6046 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	6047 if (rex.input == rex.line)
4799 e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6048 {
e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6049 add_here = TRUE;
e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6050 add_state = t->state->out;
e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6051 }
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6052 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6053
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6054 case NFA_EOL:
4549 849180347ac3 updated for version 7.3.1022 Bram Moolenaar <bram@vim.org> parents: 4547 diff changeset	6055 if (curc == NUL)
4799 e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6056 {
e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6057 add_here = TRUE;
e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6058 add_state = t->state->out;
e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6059 }
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6060 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6061
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6062 case NFA_BOW:
4785 3b5a023a4543 updated for version 7.3.1139 Bram Moolenaar <bram@vim.org> parents: 4783 diff changeset	6063 result = TRUE;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6064
4549 849180347ac3 updated for version 7.3.1022 Bram Moolenaar <bram@vim.org> parents: 4547 diff changeset	6065 if (curc == NUL)
4785 3b5a023a4543 updated for version 7.3.1139 Bram Moolenaar <bram@vim.org> parents: 4783 diff changeset	6066 result = FALSE;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6067 else if (has_mbyte)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6068 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6069 int this_class;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6070
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6071 // 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	6072 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	6073 if (this_class <= 1)
4785 3b5a023a4543 updated for version 7.3.1139 Bram Moolenaar <bram@vim.org> parents: 4783 diff changeset	6074 result = FALSE;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6075 else if (reg_prev_class() == this_class)
4785 3b5a023a4543 updated for version 7.3.1139 Bram Moolenaar <bram@vim.org> parents: 4783 diff changeset	6076 result = FALSE;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6077 }
10245 d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10170 diff changeset	6078 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	6079 \|\| (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	6080 && 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	6081 result = FALSE;
3b5a023a4543 updated for version 7.3.1139 Bram Moolenaar <bram@vim.org> parents: 4783 diff changeset	6082 if (result)
4799 e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6083 {
e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6084 add_here = TRUE;
e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6085 add_state = t->state->out;
e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6086 }
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6087 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6088
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6089 case NFA_EOW:
4785 3b5a023a4543 updated for version 7.3.1139 Bram Moolenaar <bram@vim.org> parents: 4783 diff changeset	6090 result = TRUE;
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	6091 if (rex.input == rex.line)
4785 3b5a023a4543 updated for version 7.3.1139 Bram Moolenaar <bram@vim.org> parents: 4783 diff changeset	6092 result = FALSE;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6093 else if (has_mbyte)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6094 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6095 int this_class, prev_class;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6096
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6097 // 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	6098 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	6099 prev_class = reg_prev_class();
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6100 if (this_class == prev_class
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6101 \|\| prev_class == 0 \|\| prev_class == 1)
4785 3b5a023a4543 updated for version 7.3.1139 Bram Moolenaar <bram@vim.org> parents: 4783 diff changeset	6102 result = FALSE;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6103 }
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	6104 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	6105 \|\| (rex.input[0] != NUL
10245 d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10170 diff changeset	6106 && vim_iswordc_buf(curc, rex.reg_buf)))
4785 3b5a023a4543 updated for version 7.3.1139 Bram Moolenaar <bram@vim.org> parents: 4783 diff changeset	6107 result = FALSE;
3b5a023a4543 updated for version 7.3.1139 Bram Moolenaar <bram@vim.org> parents: 4783 diff changeset	6108 if (result)
4799 e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6109 {
e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6110 add_here = TRUE;
e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6111 add_state = t->state->out;
e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6112 }
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6113 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6114
4671 b3c59716e700 updated for version 7.3.1083 Bram Moolenaar <bram@vim.org> parents: 4669 diff changeset	6115 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	6116 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	6117 && (!REG_MULTI \|\| rex.reg_firstlnum == 1))
4799 e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6118 {
e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6119 add_here = TRUE;
e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6120 add_state = t->state->out;
e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6121 }
4671 b3c59716e700 updated for version 7.3.1083 Bram Moolenaar <bram@vim.org> parents: 4669 diff changeset	6122 break;
b3c59716e700 updated for version 7.3.1083 Bram Moolenaar <bram@vim.org> parents: 4669 diff changeset	6123
b3c59716e700 updated for version 7.3.1083 Bram Moolenaar <bram@vim.org> parents: 4669 diff changeset	6124 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	6125 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	6126 {
e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6127 add_here = TRUE;
e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6128 add_state = t->state->out;
e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6129 }
4671 b3c59716e700 updated for version 7.3.1083 Bram Moolenaar <bram@vim.org> parents: 4669 diff changeset	6130 break;
b3c59716e700 updated for version 7.3.1083 Bram Moolenaar <bram@vim.org> parents: 4669 diff changeset	6131
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6132 case NFA_COMPOSING:
4527 55bcaa1d2749 updated for version 7.3.1011 Bram Moolenaar <bram@vim.org> parents: 4525 diff changeset	6133 {
4549 849180347ac3 updated for version 7.3.1022 Bram Moolenaar <bram@vim.org> parents: 4547 diff changeset	6134 int mc = curc;
4531 1be43c095aff updated for version 7.3.1013 Bram Moolenaar <bram@vim.org> parents: 4529 diff changeset	6135 int len = 0;
1be43c095aff updated for version 7.3.1013 Bram Moolenaar <bram@vim.org> parents: 4529 diff changeset	6136 nfa_state_T *end;
1be43c095aff updated for version 7.3.1013 Bram Moolenaar <bram@vim.org> parents: 4529 diff changeset	6137 nfa_state_T *sta;
4547 fc997f05cbc7 updated for version 7.3.1021 Bram Moolenaar <bram@vim.org> parents: 4543 diff changeset	6138 int cchars[MAX_MCO];
fc997f05cbc7 updated for version 7.3.1021 Bram Moolenaar <bram@vim.org> parents: 4543 diff changeset	6139 int ccount = 0;
fc997f05cbc7 updated for version 7.3.1021 Bram Moolenaar <bram@vim.org> parents: 4543 diff changeset	6140 int j;
fc997f05cbc7 updated for version 7.3.1021 Bram Moolenaar <bram@vim.org> parents: 4543 diff changeset	6141
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6142 sta = t->state->out;
4527 55bcaa1d2749 updated for version 7.3.1011 Bram Moolenaar <bram@vim.org> parents: 4525 diff changeset	6143 len = 0;
4535 45f97c349537 updated for version 7.3.1015 Bram Moolenaar <bram@vim.org> parents: 4533 diff changeset	6144 if (utf_iscomposing(sta->c))
45f97c349537 updated for version 7.3.1015 Bram Moolenaar <bram@vim.org> parents: 4533 diff changeset	6145 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6146 // 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	6147 // 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	6148 // (no preceding character).
4549 849180347ac3 updated for version 7.3.1022 Bram Moolenaar <bram@vim.org> parents: 4547 diff changeset	6149 len += mb_char2len(mc);
4535 45f97c349537 updated for version 7.3.1015 Bram Moolenaar <bram@vim.org> parents: 4533 diff changeset	6150 }
10245 d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10170 diff changeset	6151 if (rex.reg_icombine && len == 0)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6152 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6153 // 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	6154 // 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	6155 if (sta->c != curc)
4529 432a6b8c7d93 updated for version 7.3.1012 Bram Moolenaar <bram@vim.org> parents: 4527 diff changeset	6156 result = FAIL;
4547 fc997f05cbc7 updated for version 7.3.1021 Bram Moolenaar <bram@vim.org> parents: 4543 diff changeset	6157 else
fc997f05cbc7 updated for version 7.3.1021 Bram Moolenaar <bram@vim.org> parents: 4543 diff changeset	6158 result = OK;
4529 432a6b8c7d93 updated for version 7.3.1012 Bram Moolenaar <bram@vim.org> parents: 4527 diff changeset	6159 while (sta->c != NFA_END_COMPOSING)
432a6b8c7d93 updated for version 7.3.1012 Bram Moolenaar <bram@vim.org> parents: 4527 diff changeset	6160 sta = sta->out;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6161 }
4547 fc997f05cbc7 updated for version 7.3.1021 Bram Moolenaar <bram@vim.org> parents: 4543 diff changeset	6162
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6163 // Check base character matches first, unless ignored.
4547 fc997f05cbc7 updated for version 7.3.1021 Bram Moolenaar <bram@vim.org> parents: 4543 diff changeset	6164 else if (len > 0 \|\| mc == sta->c)
fc997f05cbc7 updated for version 7.3.1021 Bram Moolenaar <bram@vim.org> parents: 4543 diff changeset	6165 {
fc997f05cbc7 updated for version 7.3.1021 Bram Moolenaar <bram@vim.org> parents: 4543 diff changeset	6166 if (len == 0)
4529 432a6b8c7d93 updated for version 7.3.1012 Bram Moolenaar <bram@vim.org> parents: 4527 diff changeset	6167 {
432a6b8c7d93 updated for version 7.3.1012 Bram Moolenaar <bram@vim.org> parents: 4527 diff changeset	6168 len += mb_char2len(mc);
432a6b8c7d93 updated for version 7.3.1012 Bram Moolenaar <bram@vim.org> parents: 4527 diff changeset	6169 sta = sta->out;
432a6b8c7d93 updated for version 7.3.1012 Bram Moolenaar <bram@vim.org> parents: 4527 diff changeset	6170 }
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6171
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6172 // 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	6173 // Get them into cchars[] first.
4549 849180347ac3 updated for version 7.3.1022 Bram Moolenaar <bram@vim.org> parents: 4547 diff changeset	6174 while (len < clen)
4547 fc997f05cbc7 updated for version 7.3.1021 Bram Moolenaar <bram@vim.org> parents: 4543 diff changeset	6175 {
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	6176 mc = mb_ptr2char(rex.input + len);
4547 fc997f05cbc7 updated for version 7.3.1021 Bram Moolenaar <bram@vim.org> parents: 4543 diff changeset	6177 cchars[ccount++] = mc;
fc997f05cbc7 updated for version 7.3.1021 Bram Moolenaar <bram@vim.org> parents: 4543 diff changeset	6178 len += mb_char2len(mc);
fc997f05cbc7 updated for version 7.3.1021 Bram Moolenaar <bram@vim.org> parents: 4543 diff changeset	6179 if (ccount == MAX_MCO)
fc997f05cbc7 updated for version 7.3.1021 Bram Moolenaar <bram@vim.org> parents: 4543 diff changeset	6180 break;
fc997f05cbc7 updated for version 7.3.1021 Bram Moolenaar <bram@vim.org> parents: 4543 diff changeset	6181 }
fc997f05cbc7 updated for version 7.3.1021 Bram Moolenaar <bram@vim.org> parents: 4543 diff changeset	6182
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6183 // 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	6184 // 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	6185 // composing chars are matched.
4547 fc997f05cbc7 updated for version 7.3.1021 Bram Moolenaar <bram@vim.org> parents: 4543 diff changeset	6186 result = OK;
fc997f05cbc7 updated for version 7.3.1021 Bram Moolenaar <bram@vim.org> parents: 4543 diff changeset	6187 while (sta->c != NFA_END_COMPOSING)
fc997f05cbc7 updated for version 7.3.1021 Bram Moolenaar <bram@vim.org> parents: 4543 diff changeset	6188 {
fc997f05cbc7 updated for version 7.3.1021 Bram Moolenaar <bram@vim.org> parents: 4543 diff changeset	6189 for (j = 0; j < ccount; ++j)
fc997f05cbc7 updated for version 7.3.1021 Bram Moolenaar <bram@vim.org> parents: 4543 diff changeset	6190 if (cchars[j] == sta->c)
fc997f05cbc7 updated for version 7.3.1021 Bram Moolenaar <bram@vim.org> parents: 4543 diff changeset	6191 break;
fc997f05cbc7 updated for version 7.3.1021 Bram Moolenaar <bram@vim.org> parents: 4543 diff changeset	6192 if (j == ccount)
fc997f05cbc7 updated for version 7.3.1021 Bram Moolenaar <bram@vim.org> parents: 4543 diff changeset	6193 {
fc997f05cbc7 updated for version 7.3.1021 Bram Moolenaar <bram@vim.org> parents: 4543 diff changeset	6194 result = FAIL;
fc997f05cbc7 updated for version 7.3.1021 Bram Moolenaar <bram@vim.org> parents: 4543 diff changeset	6195 break;
fc997f05cbc7 updated for version 7.3.1021 Bram Moolenaar <bram@vim.org> parents: 4543 diff changeset	6196 }
fc997f05cbc7 updated for version 7.3.1021 Bram Moolenaar <bram@vim.org> parents: 4543 diff changeset	6197 sta = sta->out;
fc997f05cbc7 updated for version 7.3.1021 Bram Moolenaar <bram@vim.org> parents: 4543 diff changeset	6198 }
fc997f05cbc7 updated for version 7.3.1021 Bram Moolenaar <bram@vim.org> parents: 4543 diff changeset	6199 }
fc997f05cbc7 updated for version 7.3.1021 Bram Moolenaar <bram@vim.org> parents: 4543 diff changeset	6200 else
4525 36ddcf4cecbc updated for version 7.3.1010 Bram Moolenaar <bram@vim.org> parents: 4517 diff changeset	6201 result = FAIL;
4547 fc997f05cbc7 updated for version 7.3.1021 Bram Moolenaar <bram@vim.org> parents: 4543 diff changeset	6202
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6203 end = t->state->out1; // NFA_END_COMPOSING
4783 47222d8b1e94 updated for version 7.3.1138 Bram Moolenaar <bram@vim.org> parents: 4781 diff changeset	6204 ADD_STATE_IF_MATCH(end);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6205 break;
4527 55bcaa1d2749 updated for version 7.3.1011 Bram Moolenaar <bram@vim.org> parents: 4525 diff changeset	6206 }
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6207
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6208 case NFA_NEWL:
10245 d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10170 diff changeset	6209 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	6210 && rex.lnum <= rex.reg_maxline)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6211 {
4515 90e9917d4114 updated for version 7.3.1005 Bram Moolenaar <bram@vim.org> parents: 4507 diff changeset	6212 go_to_nextline = TRUE;
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6213 // 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	6214 // at the start of the next line.
4726 3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6215 add_state = t->state->out;
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6216 add_off = -1;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6217 }
10245 d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10170 diff changeset	6218 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	6219 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6220 // 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	6221 add_state = t->state->out;
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6222 add_off = 1;
4555 b2946c06d1b6 updated for version 7.3.1025 Bram Moolenaar <bram@vim.org> parents: 4553 diff changeset	6223 }
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6224 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6225
4781 c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6226 case NFA_START_COLL:
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6227 case NFA_START_NEG_COLL:
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6228 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6229 // 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	6230 // 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	6231 nfa_state_T *state;
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6232 int result_if_matched;
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6233 int c1, c2;
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6234
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6235 // 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	6236 // as a separate state with an OR.
4781 c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6237 if (curc == NUL)
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6238 break;
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6239
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6240 state = t->state->out;
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6241 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	6242 for (;;)
4726 3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6243 {
4781 c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6244 if (state->c == NFA_END_COLL)
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6245 {
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6246 result = !result_if_matched;
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6247 break;
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6248 }
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6249 if (state->c == NFA_RANGE_MIN)
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6250 {
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6251 c1 = state->val;
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6252 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	6253 c2 = state->val;
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6254 #ifdef ENABLE_LOG
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6255 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	6256 curc, c1, c2);
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6257 #endif
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6258 if (curc >= c1 && curc <= c2)
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6259 {
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6260 result = result_if_matched;
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6261 break;
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6262 }
10245 d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10170 diff changeset	6263 if (rex.reg_ic)
4781 c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6264 {
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6265 int curc_low = MB_TOLOWER(curc);
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6266 int done = FALSE;
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6267
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6268 for ( ; c1 <= c2; ++c1)
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6269 if (MB_TOLOWER(c1) == curc_low)
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6270 {
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6271 result = result_if_matched;
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6272 done = TRUE;
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6273 break;
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6274 }
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6275 if (done)
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6276 break;
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6277 }
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6278 }
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6279 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	6280 : (curc == state->c
10245 d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10170 diff changeset	6281 \|\| (rex.reg_ic && MB_TOLOWER(curc)
4781 c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6282 == MB_TOLOWER(state->c))))
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6283 {
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6284 result = result_if_matched;
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6285 break;
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6286 }
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6287 state = state->out;
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6288 }
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6289 if (result)
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6290 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6291 // 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	6292 // START points to the END state
4781 c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6293 add_state = t->state->out1->out;
4726 3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6294 add_off = clen;
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6295 }
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6296 break;
4781 c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6297 }
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6298
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6299 case NFA_ANY:
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6300 // 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	6301 if (curc > 0)
4726 3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6302 {
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6303 add_state = t->state->out;
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6304 add_off = clen;
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6305 }
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6306 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6307
5901 10fc95f48546 updated for version 7.4.293 Bram Moolenaar <bram@vim.org> parents: 5895 diff changeset	6308 case NFA_ANY_COMPOSING:
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6309 // 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	6310 // nothing. Always matches.
5901 10fc95f48546 updated for version 7.4.293 Bram Moolenaar <bram@vim.org> parents: 5895 diff changeset	6311 if (enc_utf8 && utf_iscomposing(curc))
10fc95f48546 updated for version 7.4.293 Bram Moolenaar <bram@vim.org> parents: 5895 diff changeset	6312 {
10fc95f48546 updated for version 7.4.293 Bram Moolenaar <bram@vim.org> parents: 5895 diff changeset	6313 add_off = clen;
10fc95f48546 updated for version 7.4.293 Bram Moolenaar <bram@vim.org> parents: 5895 diff changeset	6314 }
10fc95f48546 updated for version 7.4.293 Bram Moolenaar <bram@vim.org> parents: 5895 diff changeset	6315 else
10fc95f48546 updated for version 7.4.293 Bram Moolenaar <bram@vim.org> parents: 5895 diff changeset	6316 {
10fc95f48546 updated for version 7.4.293 Bram Moolenaar <bram@vim.org> parents: 5895 diff changeset	6317 add_here = TRUE;
10fc95f48546 updated for version 7.4.293 Bram Moolenaar <bram@vim.org> parents: 5895 diff changeset	6318 add_off = 0;
10fc95f48546 updated for version 7.4.293 Bram Moolenaar <bram@vim.org> parents: 5895 diff changeset	6319 }
10fc95f48546 updated for version 7.4.293 Bram Moolenaar <bram@vim.org> parents: 5895 diff changeset	6320 add_state = t->state->out;
10fc95f48546 updated for version 7.4.293 Bram Moolenaar <bram@vim.org> parents: 5895 diff changeset	6321 break;
10fc95f48546 updated for version 7.4.293 Bram Moolenaar <bram@vim.org> parents: 5895 diff changeset	6322
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6323 /*
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6324 * 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	6325 */
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6326 case NFA_IDENT: // \i
4549 849180347ac3 updated for version 7.3.1022 Bram Moolenaar <bram@vim.org> parents: 4547 diff changeset	6327 result = vim_isIDc(curc);
4783 47222d8b1e94 updated for version 7.3.1138 Bram Moolenaar <bram@vim.org> parents: 4781 diff changeset	6328 ADD_STATE_IF_MATCH(t->state);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6329 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6330
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6331 case NFA_SIDENT: // \I
4549 849180347ac3 updated for version 7.3.1022 Bram Moolenaar <bram@vim.org> parents: 4547 diff changeset	6332 result = !VIM_ISDIGIT(curc) && vim_isIDc(curc);
4783 47222d8b1e94 updated for version 7.3.1138 Bram Moolenaar <bram@vim.org> parents: 4781 diff changeset	6333 ADD_STATE_IF_MATCH(t->state);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6334 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6335
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6336 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	6337 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	6338 ADD_STATE_IF_MATCH(t->state);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6339 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6340
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6341 case NFA_SKWORD: // \K
4549 849180347ac3 updated for version 7.3.1022 Bram Moolenaar <bram@vim.org> parents: 4547 diff changeset	6342 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	6343 && 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	6344 ADD_STATE_IF_MATCH(t->state);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6345 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6346
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6347 case NFA_FNAME: // \f
4549 849180347ac3 updated for version 7.3.1022 Bram Moolenaar <bram@vim.org> parents: 4547 diff changeset	6348 result = vim_isfilec(curc);
4783 47222d8b1e94 updated for version 7.3.1138 Bram Moolenaar <bram@vim.org> parents: 4781 diff changeset	6349 ADD_STATE_IF_MATCH(t->state);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6350 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6351
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6352 case NFA_SFNAME: // \F
4549 849180347ac3 updated for version 7.3.1022 Bram Moolenaar <bram@vim.org> parents: 4547 diff changeset	6353 result = !VIM_ISDIGIT(curc) && vim_isfilec(curc);
4783 47222d8b1e94 updated for version 7.3.1138 Bram Moolenaar <bram@vim.org> parents: 4781 diff changeset	6354 ADD_STATE_IF_MATCH(t->state);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6355 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6356
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6357 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	6358 result = vim_isprintc(PTR2CHAR(rex.input));
4783 47222d8b1e94 updated for version 7.3.1138 Bram Moolenaar <bram@vim.org> parents: 4781 diff changeset	6359 ADD_STATE_IF_MATCH(t->state);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6360 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6361
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6362 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	6363 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	6364 ADD_STATE_IF_MATCH(t->state);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6365 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6366
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6367 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	6368 result = VIM_ISWHITE(curc);
4783 47222d8b1e94 updated for version 7.3.1138 Bram Moolenaar <bram@vim.org> parents: 4781 diff changeset	6369 ADD_STATE_IF_MATCH(t->state);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6370 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6371
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6372 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	6373 result = curc != NUL && !VIM_ISWHITE(curc);
4783 47222d8b1e94 updated for version 7.3.1138 Bram Moolenaar <bram@vim.org> parents: 4781 diff changeset	6374 ADD_STATE_IF_MATCH(t->state);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6375 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6376
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6377 case NFA_DIGIT: // \d
4549 849180347ac3 updated for version 7.3.1022 Bram Moolenaar <bram@vim.org> parents: 4547 diff changeset	6378 result = ri_digit(curc);
4783 47222d8b1e94 updated for version 7.3.1138 Bram Moolenaar <bram@vim.org> parents: 4781 diff changeset	6379 ADD_STATE_IF_MATCH(t->state);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6380 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6381
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6382 case NFA_NDIGIT: // \D
4549 849180347ac3 updated for version 7.3.1022 Bram Moolenaar <bram@vim.org> parents: 4547 diff changeset	6383 result = curc != NUL && !ri_digit(curc);
4783 47222d8b1e94 updated for version 7.3.1138 Bram Moolenaar <bram@vim.org> parents: 4781 diff changeset	6384 ADD_STATE_IF_MATCH(t->state);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6385 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6386
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6387 case NFA_HEX: // \x
4549 849180347ac3 updated for version 7.3.1022 Bram Moolenaar <bram@vim.org> parents: 4547 diff changeset	6388 result = ri_hex(curc);
4783 47222d8b1e94 updated for version 7.3.1138 Bram Moolenaar <bram@vim.org> parents: 4781 diff changeset	6389 ADD_STATE_IF_MATCH(t->state);
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
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6392 case NFA_NHEX: // \X
4549 849180347ac3 updated for version 7.3.1022 Bram Moolenaar <bram@vim.org> parents: 4547 diff changeset	6393 result = curc != NUL && !ri_hex(curc);
4783 47222d8b1e94 updated for version 7.3.1138 Bram Moolenaar <bram@vim.org> parents: 4781 diff changeset	6394 ADD_STATE_IF_MATCH(t->state);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6395 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6396
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6397 case NFA_OCTAL: // \o
4549 849180347ac3 updated for version 7.3.1022 Bram Moolenaar <bram@vim.org> parents: 4547 diff changeset	6398 result = ri_octal(curc);
4783 47222d8b1e94 updated for version 7.3.1138 Bram Moolenaar <bram@vim.org> parents: 4781 diff changeset	6399 ADD_STATE_IF_MATCH(t->state);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6400 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6401
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6402 case NFA_NOCTAL: // \O
4549 849180347ac3 updated for version 7.3.1022 Bram Moolenaar <bram@vim.org> parents: 4547 diff changeset	6403 result = curc != NUL && !ri_octal(curc);
4783 47222d8b1e94 updated for version 7.3.1138 Bram Moolenaar <bram@vim.org> parents: 4781 diff changeset	6404 ADD_STATE_IF_MATCH(t->state);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6405 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6406
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6407 case NFA_WORD: // \w
4549 849180347ac3 updated for version 7.3.1022 Bram Moolenaar <bram@vim.org> parents: 4547 diff changeset	6408 result = ri_word(curc);
4783 47222d8b1e94 updated for version 7.3.1138 Bram Moolenaar <bram@vim.org> parents: 4781 diff changeset	6409 ADD_STATE_IF_MATCH(t->state);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6410 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6411
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6412 case NFA_NWORD: // \W
4549 849180347ac3 updated for version 7.3.1022 Bram Moolenaar <bram@vim.org> parents: 4547 diff changeset	6413 result = curc != NUL && !ri_word(curc);
4783 47222d8b1e94 updated for version 7.3.1138 Bram Moolenaar <bram@vim.org> parents: 4781 diff changeset	6414 ADD_STATE_IF_MATCH(t->state);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6415 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6416
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6417 case NFA_HEAD: // \h
4549 849180347ac3 updated for version 7.3.1022 Bram Moolenaar <bram@vim.org> parents: 4547 diff changeset	6418 result = ri_head(curc);
4783 47222d8b1e94 updated for version 7.3.1138 Bram Moolenaar <bram@vim.org> parents: 4781 diff changeset	6419 ADD_STATE_IF_MATCH(t->state);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6420 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6421
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6422 case NFA_NHEAD: // \H
4549 849180347ac3 updated for version 7.3.1022 Bram Moolenaar <bram@vim.org> parents: 4547 diff changeset	6423 result = curc != NUL && !ri_head(curc);
4783 47222d8b1e94 updated for version 7.3.1138 Bram Moolenaar <bram@vim.org> parents: 4781 diff changeset	6424 ADD_STATE_IF_MATCH(t->state);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6425 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6426
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6427 case NFA_ALPHA: // \a
4549 849180347ac3 updated for version 7.3.1022 Bram Moolenaar <bram@vim.org> parents: 4547 diff changeset	6428 result = ri_alpha(curc);
4783 47222d8b1e94 updated for version 7.3.1138 Bram Moolenaar <bram@vim.org> parents: 4781 diff changeset	6429 ADD_STATE_IF_MATCH(t->state);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6430 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6431
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6432 case NFA_NALPHA: // \A
4549 849180347ac3 updated for version 7.3.1022 Bram Moolenaar <bram@vim.org> parents: 4547 diff changeset	6433 result = curc != NUL && !ri_alpha(curc);
4783 47222d8b1e94 updated for version 7.3.1138 Bram Moolenaar <bram@vim.org> parents: 4781 diff changeset	6434 ADD_STATE_IF_MATCH(t->state);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6435 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6436
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6437 case NFA_LOWER: // \l
4549 849180347ac3 updated for version 7.3.1022 Bram Moolenaar <bram@vim.org> parents: 4547 diff changeset	6438 result = ri_lower(curc);
4783 47222d8b1e94 updated for version 7.3.1138 Bram Moolenaar <bram@vim.org> parents: 4781 diff changeset	6439 ADD_STATE_IF_MATCH(t->state);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6440 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6441
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6442 case NFA_NLOWER: // \L
4549 849180347ac3 updated for version 7.3.1022 Bram Moolenaar <bram@vim.org> parents: 4547 diff changeset	6443 result = curc != NUL && !ri_lower(curc);
4783 47222d8b1e94 updated for version 7.3.1138 Bram Moolenaar <bram@vim.org> parents: 4781 diff changeset	6444 ADD_STATE_IF_MATCH(t->state);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6445 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6446
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6447 case NFA_UPPER: // \u
4549 849180347ac3 updated for version 7.3.1022 Bram Moolenaar <bram@vim.org> parents: 4547 diff changeset	6448 result = ri_upper(curc);
4783 47222d8b1e94 updated for version 7.3.1138 Bram Moolenaar <bram@vim.org> parents: 4781 diff changeset	6449 ADD_STATE_IF_MATCH(t->state);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6450 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6451
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6452 case NFA_NUPPER: // \U
4549 849180347ac3 updated for version 7.3.1022 Bram Moolenaar <bram@vim.org> parents: 4547 diff changeset	6453 result = curc != NUL && !ri_upper(curc);
4783 47222d8b1e94 updated for version 7.3.1138 Bram Moolenaar <bram@vim.org> parents: 4781 diff changeset	6454 ADD_STATE_IF_MATCH(t->state);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6455 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6456
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6457 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	6458 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	6459 ADD_STATE_IF_MATCH(t->state);
3e9107b86b68 updated for version 7.4.001 Bram Moolenaar <bram@vim.org> parents: 5255 diff changeset	6460 break;
3e9107b86b68 updated for version 7.4.001 Bram Moolenaar <bram@vim.org> parents: 5255 diff changeset	6461
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6462 case NFA_NLOWER_IC: // [^a-z]
5296 3e9107b86b68 updated for version 7.4.001 Bram Moolenaar <bram@vim.org> parents: 5255 diff changeset	6463 result = curc != NUL
10245 d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10170 diff changeset	6464 && !(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	6465 ADD_STATE_IF_MATCH(t->state);
3e9107b86b68 updated for version 7.4.001 Bram Moolenaar <bram@vim.org> parents: 5255 diff changeset	6466 break;
3e9107b86b68 updated for version 7.4.001 Bram Moolenaar <bram@vim.org> parents: 5255 diff changeset	6467
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6468 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	6469 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	6470 ADD_STATE_IF_MATCH(t->state);
3e9107b86b68 updated for version 7.4.001 Bram Moolenaar <bram@vim.org> parents: 5255 diff changeset	6471 break;
3e9107b86b68 updated for version 7.4.001 Bram Moolenaar <bram@vim.org> parents: 5255 diff changeset	6472
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6473 case NFA_NUPPER_IC: // ^[A-Z]
5296 3e9107b86b68 updated for version 7.4.001 Bram Moolenaar <bram@vim.org> parents: 5255 diff changeset	6474 result = curc != NUL
10245 d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10170 diff changeset	6475 && !(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	6476 ADD_STATE_IF_MATCH(t->state);
3e9107b86b68 updated for version 7.4.001 Bram Moolenaar <bram@vim.org> parents: 5255 diff changeset	6477 break;
3e9107b86b68 updated for version 7.4.001 Bram Moolenaar <bram@vim.org> parents: 5255 diff changeset	6478
4571 b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	6479 case NFA_BACKREF1:
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	6480 case NFA_BACKREF2:
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	6481 case NFA_BACKREF3:
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	6482 case NFA_BACKREF4:
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	6483 case NFA_BACKREF5:
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	6484 case NFA_BACKREF6:
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	6485 case NFA_BACKREF7:
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	6486 case NFA_BACKREF8:
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	6487 case NFA_BACKREF9:
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	6488 #ifdef FEAT_SYN_HL
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	6489 case NFA_ZREF1:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	6490 case NFA_ZREF2:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	6491 case NFA_ZREF3:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	6492 case NFA_ZREF4:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	6493 case NFA_ZREF5:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	6494 case NFA_ZREF6:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	6495 case NFA_ZREF7:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	6496 case NFA_ZREF8:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	6497 case NFA_ZREF9:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	6498 #endif
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6499 // \1 .. \9 \z1 .. \z9
4571 b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	6500 {
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	6501 int subidx;
4571 b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	6502 int bytelen;
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	6503
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	6504 if (t->state->c <= NFA_BACKREF9)
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	6505 {
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	6506 subidx = t->state->c - NFA_BACKREF1 + 1;
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	6507 result = match_backref(&t->subs.norm, subidx, &bytelen);
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	6508 }
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	6509 #ifdef FEAT_SYN_HL
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	6510 else
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	6511 {
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	6512 subidx = t->state->c - NFA_ZREF1 + 1;
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	6513 result = match_zref(subidx, &bytelen);
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	6514 }
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	6515 #endif
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	6516
4571 b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	6517 if (result)
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	6518 {
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	6519 if (bytelen == 0)
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	6520 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6521 // 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	6522 // used next
4799 e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6523 add_here = TRUE;
e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6524 add_state = t->state->out->out;
4571 b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	6525 }
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	6526 else if (bytelen <= clen)
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	6527 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6528 // 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	6529 // NFA_SKIP
4726 3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6530 add_state = t->state->out->out;
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6531 add_off = clen;
4571 b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	6532 }
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	6533 else
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	6534 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6535 // 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	6536 // count in NFA_SKIP
4726 3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6537 add_state = t->state->out;
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6538 add_off = bytelen;
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6539 add_count = bytelen - clen;
4571 b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	6540 }
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	6541 }
4482 cd005ab15ef3 updated for version 7.3.989 Bram Moolenaar <bram@vim.org> parents: 4480 diff changeset	6542 break;
4571 b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	6543 }
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	6544 case NFA_SKIP:
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6545 // character of previous matching \1 .. \9 or \@>
4571 b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	6546 if (t->count - clen <= 0)
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	6547 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6548 // end of match, go to what follows
4726 3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6549 add_state = t->state->out;
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6550 add_off = clen;
4571 b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	6551 }
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	6552 else
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	6553 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6554 // add state again with decremented count
4726 3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6555 add_state = t->state;
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6556 add_off = 0;
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6557 add_count = t->count - clen;
4571 b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	6558 }
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	6559 break;
4482 cd005ab15ef3 updated for version 7.3.989 Bram Moolenaar <bram@vim.org> parents: 4480 diff changeset	6560
4583 321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	6561 case NFA_LNUM:
321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	6562 case NFA_LNUM_GT:
321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	6563 case NFA_LNUM_LT:
321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	6564 result = (REG_MULTI &&
321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	6565 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	6566 (long_u)(rex.lnum + rex.reg_firstlnum)));
4583 321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	6567 if (result)
4799 e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6568 {
e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6569 add_here = TRUE;
e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6570 add_state = t->state->out;
e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6571 }
4583 321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	6572 break;
321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	6573
321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	6574 case NFA_COL:
321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	6575 case NFA_COL_GT:
321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	6576 case NFA_COL_LT:
321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	6577 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	6578 (long_u)(rex.input - rex.line) + 1);
4583 321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	6579 if (result)
4799 e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6580 {
e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6581 add_here = TRUE;
e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6582 add_state = t->state->out;
e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6583 }
4583 321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	6584 break;
321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	6585
321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	6586 case NFA_VCOL:
321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	6587 case NFA_VCOL_GT:
321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	6588 case NFA_VCOL_LT:
4799 e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6589 {
6499 bcf9d3a6007f updated for version 7.4.577 Bram Moolenaar <bram@vim.org> parents: 6392 diff changeset	6590 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	6591 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	6592 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	6593
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6594 // 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	6595 // overhead of win_linetabsize() on long lines.
6653 2c7f279d419c updated for version 7.4.651 Bram Moolenaar <bram@vim.org> parents: 6594 diff changeset	6596 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	6597 * (has_mbyte ? MB_MAXBYTES : 1))
6499 bcf9d3a6007f updated for version 7.4.577 Bram Moolenaar <bram@vim.org> parents: 6392 diff changeset	6598 break;
6510 dfd593d81818 updated for version 7.4.582 Bram Moolenaar <bram@vim.org> parents: 6499 diff changeset	6599 result = FALSE;
dfd593d81818 updated for version 7.4.582 Bram Moolenaar <bram@vim.org> parents: 6499 diff changeset	6600 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	6601 {
dfd593d81818 updated for version 7.4.582 Bram Moolenaar <bram@vim.org> parents: 6499 diff changeset	6602 int ts = wp->w_buffer->b_p_ts;
dfd593d81818 updated for version 7.4.582 Bram Moolenaar <bram@vim.org> parents: 6499 diff changeset	6603
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6604 // 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	6605 // 'tabstop', with a minimum of 4.
6510 dfd593d81818 updated for version 7.4.582 Bram Moolenaar <bram@vim.org> parents: 6499 diff changeset	6606 if (ts < 4)
dfd593d81818 updated for version 7.4.582 Bram Moolenaar <bram@vim.org> parents: 6499 diff changeset	6607 ts = 4;
dfd593d81818 updated for version 7.4.582 Bram Moolenaar <bram@vim.org> parents: 6499 diff changeset	6608 result = col > t->state->val * ts;
dfd593d81818 updated for version 7.4.582 Bram Moolenaar <bram@vim.org> parents: 6499 diff changeset	6609 }
dfd593d81818 updated for version 7.4.582 Bram Moolenaar <bram@vim.org> parents: 6499 diff changeset	6610 if (!result)
dfd593d81818 updated for version 7.4.582 Bram Moolenaar <bram@vim.org> parents: 6499 diff changeset	6611 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	6612 (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	6613 if (result)
bcf9d3a6007f updated for version 7.4.577 Bram Moolenaar <bram@vim.org> parents: 6392 diff changeset	6614 {
bcf9d3a6007f updated for version 7.4.577 Bram Moolenaar <bram@vim.org> parents: 6392 diff changeset	6615 add_here = TRUE;
bcf9d3a6007f updated for version 7.4.577 Bram Moolenaar <bram@vim.org> parents: 6392 diff changeset	6616 add_state = t->state->out;
bcf9d3a6007f updated for version 7.4.577 Bram Moolenaar <bram@vim.org> parents: 6392 diff changeset	6617 }
4799 e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6618 }
4583 321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	6619 break;
321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	6620
4732 0798b096bab3 updated for version 7.3.1113 Bram Moolenaar <bram@vim.org> parents: 4730 diff changeset	6621 case NFA_MARK:
0798b096bab3 updated for version 7.3.1113 Bram Moolenaar <bram@vim.org> parents: 4730 diff changeset	6622 case NFA_MARK_GT:
0798b096bab3 updated for version 7.3.1113 Bram Moolenaar <bram@vim.org> parents: 4730 diff changeset	6623 case NFA_MARK_LT:
0798b096bab3 updated for version 7.3.1113 Bram Moolenaar <bram@vim.org> parents: 4730 diff changeset	6624 {
10245 d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10170 diff changeset	6625 pos_T *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	6626
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6627 // Compare the mark position to the match position.
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6628 result = (pos != NULL // mark doesn't exist
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6629 && pos->lnum > 0 // mark isn't set in reg_buf
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	6630 && (pos->lnum == rex.lnum + rex.reg_firstlnum
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	6631 ? (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	6632 ? t->state->c == NFA_MARK
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	6633 : (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	6634 ? t->state->c == NFA_MARK_GT
0798b096bab3 updated for version 7.3.1113 Bram Moolenaar <bram@vim.org> parents: 4730 diff changeset	6635 : 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	6636 : (pos->lnum < rex.lnum + rex.reg_firstlnum
4732 0798b096bab3 updated for version 7.3.1113 Bram Moolenaar <bram@vim.org> parents: 4730 diff changeset	6637 ? t->state->c == NFA_MARK_GT
0798b096bab3 updated for version 7.3.1113 Bram Moolenaar <bram@vim.org> parents: 4730 diff changeset	6638 : t->state->c == NFA_MARK_LT)));
0798b096bab3 updated for version 7.3.1113 Bram Moolenaar <bram@vim.org> parents: 4730 diff changeset	6639 if (result)
4799 e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6640 {
e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6641 add_here = TRUE;
e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6642 add_state = t->state->out;
e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6643 }
4732 0798b096bab3 updated for version 7.3.1113 Bram Moolenaar <bram@vim.org> parents: 4730 diff changeset	6644 break;
0798b096bab3 updated for version 7.3.1113 Bram Moolenaar <bram@vim.org> parents: 4730 diff changeset	6645 }
0798b096bab3 updated for version 7.3.1113 Bram Moolenaar <bram@vim.org> parents: 4730 diff changeset	6646
4583 321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	6647 case NFA_CURSOR:
10245 d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10170 diff changeset	6648 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	6649 && (rex.lnum + rex.reg_firstlnum
10245 d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10170 diff changeset	6650 == 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	6651 && ((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	6652 == rex.reg_win->w_cursor.col));
4583 321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	6653 if (result)
4799 e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6654 {
e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6655 add_here = TRUE;
e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6656 add_state = t->state->out;
e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6657 }
4583 321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	6658 break;
321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	6659
4756 96f3348f9f11 updated for version 7.3.1125 Bram Moolenaar <bram@vim.org> parents: 4750 diff changeset	6660 case NFA_VISUAL:
4730 749e2b2755d5 updated for version 7.3.1112 Bram Moolenaar <bram@vim.org> parents: 4728 diff changeset	6661 result = reg_match_visual();
749e2b2755d5 updated for version 7.3.1112 Bram Moolenaar <bram@vim.org> parents: 4728 diff changeset	6662 if (result)
4799 e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6663 {
e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6664 add_here = TRUE;
e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6665 add_state = t->state->out;
e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6666 }
4730 749e2b2755d5 updated for version 7.3.1112 Bram Moolenaar <bram@vim.org> parents: 4728 diff changeset	6667 break;
749e2b2755d5 updated for version 7.3.1112 Bram Moolenaar <bram@vim.org> parents: 4728 diff changeset	6668
5251 2e63b6c763f7 updated for version 7.4b.002 Bram Moolenaar <bram@vim.org> parents: 5227 diff changeset	6669 case NFA_MOPEN1:
2e63b6c763f7 updated for version 7.4b.002 Bram Moolenaar <bram@vim.org> parents: 5227 diff changeset	6670 case NFA_MOPEN2:
2e63b6c763f7 updated for version 7.4b.002 Bram Moolenaar <bram@vim.org> parents: 5227 diff changeset	6671 case NFA_MOPEN3:
2e63b6c763f7 updated for version 7.4b.002 Bram Moolenaar <bram@vim.org> parents: 5227 diff changeset	6672 case NFA_MOPEN4:
2e63b6c763f7 updated for version 7.4b.002 Bram Moolenaar <bram@vim.org> parents: 5227 diff changeset	6673 case NFA_MOPEN5:
2e63b6c763f7 updated for version 7.4b.002 Bram Moolenaar <bram@vim.org> parents: 5227 diff changeset	6674 case NFA_MOPEN6:
2e63b6c763f7 updated for version 7.4b.002 Bram Moolenaar <bram@vim.org> parents: 5227 diff changeset	6675 case NFA_MOPEN7:
2e63b6c763f7 updated for version 7.4b.002 Bram Moolenaar <bram@vim.org> parents: 5227 diff changeset	6676 case NFA_MOPEN8:
2e63b6c763f7 updated for version 7.4b.002 Bram Moolenaar <bram@vim.org> parents: 5227 diff changeset	6677 case NFA_MOPEN9:
2e63b6c763f7 updated for version 7.4b.002 Bram Moolenaar <bram@vim.org> parents: 5227 diff changeset	6678 #ifdef FEAT_SYN_HL
2e63b6c763f7 updated for version 7.4b.002 Bram Moolenaar <bram@vim.org> parents: 5227 diff changeset	6679 case NFA_ZOPEN:
2e63b6c763f7 updated for version 7.4b.002 Bram Moolenaar <bram@vim.org> parents: 5227 diff changeset	6680 case NFA_ZOPEN1:
2e63b6c763f7 updated for version 7.4b.002 Bram Moolenaar <bram@vim.org> parents: 5227 diff changeset	6681 case NFA_ZOPEN2:
2e63b6c763f7 updated for version 7.4b.002 Bram Moolenaar <bram@vim.org> parents: 5227 diff changeset	6682 case NFA_ZOPEN3:
2e63b6c763f7 updated for version 7.4b.002 Bram Moolenaar <bram@vim.org> parents: 5227 diff changeset	6683 case NFA_ZOPEN4:
2e63b6c763f7 updated for version 7.4b.002 Bram Moolenaar <bram@vim.org> parents: 5227 diff changeset	6684 case NFA_ZOPEN5:
2e63b6c763f7 updated for version 7.4b.002 Bram Moolenaar <bram@vim.org> parents: 5227 diff changeset	6685 case NFA_ZOPEN6:
2e63b6c763f7 updated for version 7.4b.002 Bram Moolenaar <bram@vim.org> parents: 5227 diff changeset	6686 case NFA_ZOPEN7:
2e63b6c763f7 updated for version 7.4b.002 Bram Moolenaar <bram@vim.org> parents: 5227 diff changeset	6687 case NFA_ZOPEN8:
2e63b6c763f7 updated for version 7.4b.002 Bram Moolenaar <bram@vim.org> parents: 5227 diff changeset	6688 case NFA_ZOPEN9:
2e63b6c763f7 updated for version 7.4b.002 Bram Moolenaar <bram@vim.org> parents: 5227 diff changeset	6689 #endif
2e63b6c763f7 updated for version 7.4b.002 Bram Moolenaar <bram@vim.org> parents: 5227 diff changeset	6690 case NFA_NOPEN:
2e63b6c763f7 updated for version 7.4b.002 Bram Moolenaar <bram@vim.org> parents: 5227 diff changeset	6691 case NFA_ZSTART:
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6692 // 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	6693 // 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	6694 break;
2e63b6c763f7 updated for version 7.4b.002 Bram Moolenaar <bram@vim.org> parents: 5227 diff changeset	6695
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6696 default: // regular character
4559 04086e297563 updated for version 7.3.1027 Bram Moolenaar <bram@vim.org> parents: 4557 diff changeset	6697 {
04086e297563 updated for version 7.3.1027 Bram Moolenaar <bram@vim.org> parents: 4557 diff changeset	6698 int c = t->state->c;
04086e297563 updated for version 7.3.1027 Bram Moolenaar <bram@vim.org> parents: 4557 diff changeset	6699
5251 2e63b6c763f7 updated for version 7.4b.002 Bram Moolenaar <bram@vim.org> parents: 5227 diff changeset	6700 #ifdef DEBUG
4785 3b5a023a4543 updated for version 7.3.1139 Bram Moolenaar <bram@vim.org> parents: 4783 diff changeset	6701 if (c < 0)
15470 55ccc2d353bd patch 8.1.0743: giving error messages is not flexible Bram Moolenaar <Bram@vim.org> parents: 15265 diff changeset	6702 siemsg("INTERNAL: Negative state char: %ld", c);
5251 2e63b6c763f7 updated for version 7.4b.002 Bram Moolenaar <bram@vim.org> parents: 5227 diff changeset	6703 #endif
4559 04086e297563 updated for version 7.3.1027 Bram Moolenaar <bram@vim.org> parents: 4557 diff changeset	6704 result = (c == curc);
04086e297563 updated for version 7.3.1027 Bram Moolenaar <bram@vim.org> parents: 4557 diff changeset	6705
10245 d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10170 diff changeset	6706 if (!result && rex.reg_ic)
4559 04086e297563 updated for version 7.3.1027 Bram Moolenaar <bram@vim.org> parents: 4557 diff changeset	6707 result = MB_TOLOWER(c) == MB_TOLOWER(curc);
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6708 // 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	6709 // 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	6710 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	6711 clen = utf_ptr2len(rex.input);
4783 47222d8b1e94 updated for version 7.3.1138 Bram Moolenaar <bram@vim.org> parents: 4781 diff changeset	6712 ADD_STATE_IF_MATCH(t->state);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6713 break;
4559 04086e297563 updated for version 7.3.1027 Bram Moolenaar <bram@vim.org> parents: 4557 diff changeset	6714 }
4726 3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6715
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6716 } // switch (t->state->c)
4726 3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6717
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6718 if (add_state != NULL)
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6719 {
4813 bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	6720 nfa_pim_T *pim;
5401 e7a2f217a385 updated for version 7.4.051 Bram Moolenaar <bram@vim.org> parents: 5372 diff changeset	6721 nfa_pim_T pim_copy;
4813 bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	6722
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	6723 if (t->pim.result == NFA_PIM_UNUSED)
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	6724 pim = NULL;
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	6725 else
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	6726 pim = &t->pim;
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	6727
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6728 // 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	6729 // 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	6730 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	6731 {
4813 bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	6732 if (pim->result == NFA_PIM_TODO)
4726 3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6733 {
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6734 #ifdef ENABLE_LOG
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6735 fprintf(log_fd, "\n");
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6736 fprintf(log_fd, "==================================\n");
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6737 fprintf(log_fd, "Postponed recursive nfa_regmatch()\n");
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6738 fprintf(log_fd, "\n");
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6739 #endif
4813 bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	6740 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	6741 prog, submatch, m, &listids, &listids_len);
4813 bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	6742 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	6743 // 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	6744 // FALSE
4813 bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	6745 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	6746 \|\| pim->state->c == NFA_START_INVISIBLE_NEG_FIRST
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	6747 \|\| pim->state->c
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	6748 == NFA_START_INVISIBLE_BEFORE_NEG
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	6749 \|\| pim->state->c
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	6750 == NFA_START_INVISIBLE_BEFORE_NEG_FIRST))
4726 3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6751 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6752 // Copy submatch info from the recursive call
4813 bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	6753 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	6754 #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	6755 if (rex.nfa_has_zsubexpr)
4813 bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	6756 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	6757 #endif
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6758 }
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6759 }
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6760 else
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6761 {
4813 bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	6762 result = (pim->result == NFA_PIM_MATCH);
4726 3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6763 #ifdef ENABLE_LOG
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6764 fprintf(log_fd, "\n");
4813 bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	6765 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	6766 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	6767 fprintf(log_fd, "\n");
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6768 #endif
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6769 }
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6770
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6771 // 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	6772 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	6773 \|\| pim->state->c == NFA_START_INVISIBLE_NEG_FIRST
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	6774 \|\| pim->state->c
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	6775 == NFA_START_INVISIBLE_BEFORE_NEG
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	6776 \|\| pim->state->c
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	6777 == NFA_START_INVISIBLE_BEFORE_NEG_FIRST))
4726 3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6778 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6779 // Copy submatch info from the recursive call
4813 bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	6780 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	6781 #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	6782 if (rex.nfa_has_zsubexpr)
4813 bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	6783 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	6784 #endif
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6785 }
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6786 else
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6787 // 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	6788 continue;
4813 bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	6789
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6790 // 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	6791 // following states.
4813 bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	6792 pim = NULL;
4726 3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6793 }
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6794
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6795 // 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	6796 // 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	6797 // local copy to avoid that.
5401 e7a2f217a385 updated for version 7.4.051 Bram Moolenaar <bram@vim.org> parents: 5372 diff changeset	6798 if (pim == &t->pim)
e7a2f217a385 updated for version 7.4.051 Bram Moolenaar <bram@vim.org> parents: 5372 diff changeset	6799 {
e7a2f217a385 updated for version 7.4.051 Bram Moolenaar <bram@vim.org> parents: 5372 diff changeset	6800 copy_pim(&pim_copy, pim);
e7a2f217a385 updated for version 7.4.051 Bram Moolenaar <bram@vim.org> parents: 5372 diff changeset	6801 pim = &pim_copy;
e7a2f217a385 updated for version 7.4.051 Bram Moolenaar <bram@vim.org> parents: 5372 diff changeset	6802 }
e7a2f217a385 updated for version 7.4.051 Bram Moolenaar <bram@vim.org> parents: 5372 diff changeset	6803
4799 e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6804 if (add_here)
15796 481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	6805 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	6806 pim, &listidx);
4799 e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6807 else
e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6808 {
15796 481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	6809 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	6810 if (add_count > 0)
e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6811 nextlist->t[nextlist->n - 1].count = add_count;
e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6812 }
15796 481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	6813 if (r == NULL)
481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	6814 {
481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	6815 nfa_match = NFA_TOO_EXPENSIVE;
481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	6816 goto theend;
481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	6817 }
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6818 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6819
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6820 } // 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	6821
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6822 // 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	6823 // 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	6824 // 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	6825 // matters!
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6826 // 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	6827 // 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	6828 // 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	6829 // 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	6830 if (nfa_match == FALSE
4797 a30e3762957d updated for version 7.3.1145 Bram Moolenaar <bram@vim.org> parents: 4787 diff changeset	6831 && ((toplevel
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	6832 && rex.lnum == 0
4682 2f51ee8825db updated for version 7.3.1088 Bram Moolenaar <bram@vim.org> parents: 4679 diff changeset	6833 && clen != 0
10245 d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10170 diff changeset	6834 && (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	6835 \|\| (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	6836 \|\| (nfa_endp != NULL
4682 2f51ee8825db updated for version 7.3.1088 Bram Moolenaar <bram@vim.org> parents: 4679 diff changeset	6837 && (REG_MULTI
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	6838 ? (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	6839 \|\| (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	6840 && (int)(rex.input - rex.line)
4694 efc4fb311d5d updated for version 7.3.1094 Bram Moolenaar <bram@vim.org> parents: 4692 diff changeset	6841 < 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	6842 : rex.input < nfa_endp->se_u.ptr))))
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6843 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6844 #ifdef ENABLE_LOG
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6845 fprintf(log_fd, "(---) STARTSTATE\n");
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6846 #endif
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6847 // 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	6848 // the first MOPEN.
4797 a30e3762957d updated for version 7.3.1145 Bram Moolenaar <bram@vim.org> parents: 4787 diff changeset	6849 if (toplevel)
a30e3762957d updated for version 7.3.1145 Bram Moolenaar <bram@vim.org> parents: 4787 diff changeset	6850 {
4801 3cd3cc1e9119 updated for version 7.3.1147 Bram Moolenaar <bram@vim.org> parents: 4799 diff changeset	6851 int add = TRUE;
3cd3cc1e9119 updated for version 7.3.1147 Bram Moolenaar <bram@vim.org> parents: 4799 diff changeset	6852 int c;
3cd3cc1e9119 updated for version 7.3.1147 Bram Moolenaar <bram@vim.org> parents: 4799 diff changeset	6853
3cd3cc1e9119 updated for version 7.3.1147 Bram Moolenaar <bram@vim.org> parents: 4799 diff changeset	6854 if (prog->regstart != NUL && clen != 0)
3cd3cc1e9119 updated for version 7.3.1147 Bram Moolenaar <bram@vim.org> parents: 4799 diff changeset	6855 {
3cd3cc1e9119 updated for version 7.3.1147 Bram Moolenaar <bram@vim.org> parents: 4799 diff changeset	6856 if (nextlist->n == 0)
3cd3cc1e9119 updated for version 7.3.1147 Bram Moolenaar <bram@vim.org> parents: 4799 diff changeset	6857 {
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	6858 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	6859
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6860 // 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	6861 // character that must appear at the start.
4801 3cd3cc1e9119 updated for version 7.3.1147 Bram Moolenaar <bram@vim.org> parents: 4799 diff changeset	6862 if (skip_to_start(prog->regstart, &col) == FAIL)
3cd3cc1e9119 updated for version 7.3.1147 Bram Moolenaar <bram@vim.org> parents: 4799 diff changeset	6863 break;
3cd3cc1e9119 updated for version 7.3.1147 Bram Moolenaar <bram@vim.org> parents: 4799 diff changeset	6864 #ifdef ENABLE_LOG
3cd3cc1e9119 updated for version 7.3.1147 Bram Moolenaar <bram@vim.org> parents: 4799 diff changeset	6865 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	6866 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	6867 #endif
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	6868 rex.input = rex.line + col - clen;
4801 3cd3cc1e9119 updated for version 7.3.1147 Bram Moolenaar <bram@vim.org> parents: 4799 diff changeset	6869 }
3cd3cc1e9119 updated for version 7.3.1147 Bram Moolenaar <bram@vim.org> parents: 4799 diff changeset	6870 else
3cd3cc1e9119 updated for version 7.3.1147 Bram Moolenaar <bram@vim.org> parents: 4799 diff changeset	6871 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6872 // 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	6873 // 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	6874 c = PTR2CHAR(rex.input + clen);
10245 d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10170 diff changeset	6875 if (c != prog->regstart && (!rex.reg_ic
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10170 diff changeset	6876 \|\| MB_TOLOWER(c) != MB_TOLOWER(prog->regstart)))
4801 3cd3cc1e9119 updated for version 7.3.1147 Bram Moolenaar <bram@vim.org> parents: 4799 diff changeset	6877 {
3cd3cc1e9119 updated for version 7.3.1147 Bram Moolenaar <bram@vim.org> parents: 4799 diff changeset	6878 #ifdef ENABLE_LOG
3cd3cc1e9119 updated for version 7.3.1147 Bram Moolenaar <bram@vim.org> parents: 4799 diff changeset	6879 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	6880 #endif
3cd3cc1e9119 updated for version 7.3.1147 Bram Moolenaar <bram@vim.org> parents: 4799 diff changeset	6881 add = FALSE;
3cd3cc1e9119 updated for version 7.3.1147 Bram Moolenaar <bram@vim.org> parents: 4799 diff changeset	6882 }
3cd3cc1e9119 updated for version 7.3.1147 Bram Moolenaar <bram@vim.org> parents: 4799 diff changeset	6883 }
3cd3cc1e9119 updated for version 7.3.1147 Bram Moolenaar <bram@vim.org> parents: 4799 diff changeset	6884 }
3cd3cc1e9119 updated for version 7.3.1147 Bram Moolenaar <bram@vim.org> parents: 4799 diff changeset	6885
3cd3cc1e9119 updated for version 7.3.1147 Bram Moolenaar <bram@vim.org> parents: 4799 diff changeset	6886 if (add)
3cd3cc1e9119 updated for version 7.3.1147 Bram Moolenaar <bram@vim.org> parents: 4799 diff changeset	6887 {
3cd3cc1e9119 updated for version 7.3.1147 Bram Moolenaar <bram@vim.org> parents: 4799 diff changeset	6888 if (REG_MULTI)
6547 436d6c9e57f2 updated for version 7.4.600 Bram Moolenaar <bram@vim.org> parents: 6545 diff changeset	6889 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	6890 (colnr_T)(rex.input - rex.line) + clen;
4801 3cd3cc1e9119 updated for version 7.3.1147 Bram Moolenaar <bram@vim.org> parents: 4799 diff changeset	6891 else
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	6892 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	6893 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	6894 {
481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	6895 nfa_match = NFA_TOO_EXPENSIVE;
481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	6896 goto theend;
481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	6897 }
4801 3cd3cc1e9119 updated for version 7.3.1147 Bram Moolenaar <bram@vim.org> parents: 4799 diff changeset	6898 }
4797 a30e3762957d updated for version 7.3.1145 Bram Moolenaar <bram@vim.org> parents: 4787 diff changeset	6899 }
a30e3762957d updated for version 7.3.1145 Bram Moolenaar <bram@vim.org> parents: 4787 diff changeset	6900 else
15796 481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	6901 {
481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	6902 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	6903 {
481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	6904 nfa_match = NFA_TOO_EXPENSIVE;
481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	6905 goto theend;
481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	6906 }
481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	6907 }
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6908 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6909
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6910 #ifdef ENABLE_LOG
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6911 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	6912 {
849180347ac3 updated for version 7.3.1022 Bram Moolenaar <bram@vim.org> parents: 4547 diff changeset	6913 int i;
849180347ac3 updated for version 7.3.1022 Bram Moolenaar <bram@vim.org> parents: 4547 diff changeset	6914
849180347ac3 updated for version 7.3.1022 Bram Moolenaar <bram@vim.org> parents: 4547 diff changeset	6915 for (i = 0; i < thislist->n; i++)
849180347ac3 updated for version 7.3.1022 Bram Moolenaar <bram@vim.org> parents: 4547 diff changeset	6916 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	6917 }
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6918 fprintf(log_fd, "\n");
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6919 #endif
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6920
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6921 nextchar:
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6922 // 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	6923 // finish.
4549 849180347ac3 updated for version 7.3.1022 Bram Moolenaar <bram@vim.org> parents: 4547 diff changeset	6924 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	6925 rex.input += clen;
4694 efc4fb311d5d updated for version 7.3.1094 Bram Moolenaar <bram@vim.org> parents: 4692 diff changeset	6926 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	6927 && 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	6928 reg_nextline();
90e9917d4114 updated for version 7.3.1005 Bram Moolenaar <bram@vim.org> parents: 4507 diff changeset	6929 else
90e9917d4114 updated for version 7.3.1005 Bram Moolenaar <bram@vim.org> parents: 4507 diff changeset	6930 break;
6499 bcf9d3a6007f updated for version 7.4.577 Bram Moolenaar <bram@vim.org> parents: 6392 diff changeset	6931
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6932 // Allow interrupting with CTRL-C.
6573 ffba266e064d updated for version 7.4.613 Bram Moolenaar <bram@vim.org> parents: 6547 diff changeset	6933 line_breakcheck();
6499 bcf9d3a6007f updated for version 7.4.577 Bram Moolenaar <bram@vim.org> parents: 6392 diff changeset	6934 if (got_int)
bcf9d3a6007f updated for version 7.4.577 Bram Moolenaar <bram@vim.org> parents: 6392 diff changeset	6935 break;
6573 ffba266e064d updated for version 7.4.613 Bram Moolenaar <bram@vim.org> parents: 6547 diff changeset	6936 #ifdef FEAT_RELTIME
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6937 // Check for timeout once in a twenty times to avoid overhead.
6573 ffba266e064d updated for version 7.4.613 Bram Moolenaar <bram@vim.org> parents: 6547 diff changeset	6938 if (nfa_time_limit != NULL && ++nfa_time_count == 20)
ffba266e064d updated for version 7.4.613 Bram Moolenaar <bram@vim.org> parents: 6547 diff changeset	6939 {
ffba266e064d updated for version 7.4.613 Bram Moolenaar <bram@vim.org> parents: 6547 diff changeset	6940 nfa_time_count = 0;
11521 578df034735d patch 8.0.0643: when a pattern search is slow Vim becomes unusable Christian Brabandt <cb@256bit.org> parents: 11480 diff changeset	6941 if (nfa_did_time_out())
6573 ffba266e064d updated for version 7.4.613 Bram Moolenaar <bram@vim.org> parents: 6547 diff changeset	6942 break;
ffba266e064d updated for version 7.4.613 Bram Moolenaar <bram@vim.org> parents: 6547 diff changeset	6943 }
ffba266e064d updated for version 7.4.613 Bram Moolenaar <bram@vim.org> parents: 6547 diff changeset	6944 #endif
4515 90e9917d4114 updated for version 7.3.1005 Bram Moolenaar <bram@vim.org> parents: 4507 diff changeset	6945 }
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6946
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6947 #ifdef ENABLE_LOG
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6948 if (log_fd != stderr)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6949 fclose(log_fd);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6950 log_fd = NULL;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6951 #endif
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6952
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6953 theend:
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6954 // Free memory
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6955 vim_free(list[0].t);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6956 vim_free(list[1].t);
4561 4d81fdda8f35 updated for version 7.3.1028 Bram Moolenaar <bram@vim.org> parents: 4559 diff changeset	6957 vim_free(listids);
4783 47222d8b1e94 updated for version 7.3.1138 Bram Moolenaar <bram@vim.org> parents: 4781 diff changeset	6958 #undef ADD_STATE_IF_MATCH
4460 fe8a0a6a1c2a updated for version 7.3.978 Bram Moolenaar <bram@vim.org> parents: 4458 diff changeset	6959 #ifdef NFA_REGEXP_DEBUG_LOG
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6960 fclose(debug);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6961 #endif
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6962
4561 4d81fdda8f35 updated for version 7.3.1028 Bram Moolenaar <bram@vim.org> parents: 4559 diff changeset	6963 return nfa_match;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6964 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6965
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6966 /*
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	6967 * 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	6968 * 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	6969 */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6970 static long
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	6971 nfa_regtry(
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	6972 nfa_regprog_T *prog,
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	6973 colnr_T col,
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6974 proftime_T *tm UNUSED, // timeout limit or NULL
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6975 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	6976 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6977 int i;
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	6978 regsubs_T subs, m;
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	6979 nfa_state_T *start = prog->start;
6328 adfbffe1e642 updated for version 7.4.497 Bram Moolenaar <bram@vim.org> parents: 6280 diff changeset	6980 int result;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6981 #ifdef ENABLE_LOG
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6982 FILE *f;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6983 #endif
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6984
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	6985 rex.input = rex.line + col;
6573 ffba266e064d updated for version 7.4.613 Bram Moolenaar <bram@vim.org> parents: 6547 diff changeset	6986 #ifdef FEAT_RELTIME
ffba266e064d updated for version 7.4.613 Bram Moolenaar <bram@vim.org> parents: 6547 diff changeset	6987 nfa_time_limit = tm;
11521 578df034735d patch 8.0.0643: when a pattern search is slow Vim becomes unusable Christian Brabandt <cb@256bit.org> parents: 11480 diff changeset	6988 nfa_timed_out = timed_out;
6573 ffba266e064d updated for version 7.4.613 Bram Moolenaar <bram@vim.org> parents: 6547 diff changeset	6989 nfa_time_count = 0;
ffba266e064d updated for version 7.4.613 Bram Moolenaar <bram@vim.org> parents: 6547 diff changeset	6990 #endif
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6991
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6992 #ifdef ENABLE_LOG
4531 1be43c095aff updated for version 7.3.1013 Bram Moolenaar <bram@vim.org> parents: 4529 diff changeset	6993 f = fopen(NFA_REGEXP_RUN_LOG, "a");
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6994 if (f != NULL)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6995 {
4750 7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	6996 fprintf(f, "\n\n\t=======================================================\n");
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6997 #ifdef DEBUG
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6998 fprintf(f, "\tRegexp is \"%s\"\n", nfa_regengine.expr);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6999 #endif
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	7000 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	7001 fprintf(f, "\t=======================================================\n\n");
4533 6a2005efa02b updated for version 7.3.1014 Bram Moolenaar <bram@vim.org> parents: 4531 diff changeset	7002 nfa_print_state(f, start);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7003 fprintf(f, "\n\n");
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7004 fclose(f);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7005 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7006 else
15470 55ccc2d353bd patch 8.1.0743: giving error messages is not flexible Bram Moolenaar <Bram@vim.org> parents: 15265 diff changeset	7007 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	7008 #endif
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7009
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	7010 clear_sub(&subs.norm);
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	7011 clear_sub(&m.norm);
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	7012 #ifdef FEAT_SYN_HL
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	7013 clear_sub(&subs.synt);
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	7014 clear_sub(&m.synt);
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	7015 #endif
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	7016
6328 adfbffe1e642 updated for version 7.4.497 Bram Moolenaar <bram@vim.org> parents: 6280 diff changeset	7017 result = nfa_regmatch(prog, start, &subs, &m);
adfbffe1e642 updated for version 7.4.497 Bram Moolenaar <bram@vim.org> parents: 6280 diff changeset	7018 if (result == FALSE)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7019 return 0;
6328 adfbffe1e642 updated for version 7.4.497 Bram Moolenaar <bram@vim.org> parents: 6280 diff changeset	7020 else if (result == NFA_TOO_EXPENSIVE)
adfbffe1e642 updated for version 7.4.497 Bram Moolenaar <bram@vim.org> parents: 6280 diff changeset	7021 return result;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7022
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7023 cleanup_subexpr();
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7024 if (REG_MULTI)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7025 {
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	7026 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	7027 {
10245 d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10170 diff changeset	7028 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	7029 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	7030
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10170 diff changeset	7031 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	7032 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	7033 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7034
10245 d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10170 diff changeset	7035 if (rex.reg_startpos[0].lnum < 0)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7036 {
10245 d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10170 diff changeset	7037 rex.reg_startpos[0].lnum = 0;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10170 diff changeset	7038 rex.reg_startpos[0].col = col;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7039 }
10245 d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10170 diff changeset	7040 if (rex.reg_endpos[0].lnum < 0)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7041 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	7042 // 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	7043 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	7044 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	7045 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7046 else
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	7047 // 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	7048 rex.lnum = rex.reg_endpos[0].lnum;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7049 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7050 else
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7051 {
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	7052 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	7053 {
10245 d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10170 diff changeset	7054 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	7055 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	7056 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7057
10245 d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10170 diff changeset	7058 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	7059 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	7060 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	7061 rex.reg_endp[0] = rex.input;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7062 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7063
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	7064 #ifdef FEAT_SYN_HL
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	7065 // 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	7066 unref_extmatch(re_extmatch_out);
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	7067 re_extmatch_out = NULL;
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	7068
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	7069 if (prog->reghasz == REX_SET)
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	7070 {
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	7071 cleanup_zsubexpr();
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	7072 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	7073 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	7074 return 0;
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	7075 // 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	7076 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	7077 {
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	7078 if (REG_MULTI)
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	7079 {
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	7080 struct multipos *mpos = &subs.synt.list.multi[i];
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	7081
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	7082 // 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	7083 if (mpos->start_lnum >= 0
436d6c9e57f2 updated for version 7.4.600 Bram Moolenaar <bram@vim.org> parents: 6545 diff changeset	7084 && mpos->start_lnum == mpos->end_lnum
436d6c9e57f2 updated for version 7.4.600 Bram Moolenaar <bram@vim.org> parents: 6545 diff changeset	7085 && mpos->end_col >= mpos->start_col)
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	7086 re_extmatch_out->matches[i] =
6547 436d6c9e57f2 updated for version 7.4.600 Bram Moolenaar <bram@vim.org> parents: 6545 diff changeset	7087 vim_strnsave(reg_getline(mpos->start_lnum)
436d6c9e57f2 updated for version 7.4.600 Bram Moolenaar <bram@vim.org> parents: 6545 diff changeset	7088 + mpos->start_col,
436d6c9e57f2 updated for version 7.4.600 Bram Moolenaar <bram@vim.org> parents: 6545 diff changeset	7089 mpos->end_col - mpos->start_col);
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	7090 }
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	7091 else
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	7092 {
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	7093 struct linepos *lpos = &subs.synt.list.line[i];
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	7094
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	7095 if (lpos->start != NULL && lpos->end != NULL)
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	7096 re_extmatch_out->matches[i] =
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	7097 vim_strnsave(lpos->start,
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	7098 (int)(lpos->end - lpos->start));
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	7099 }
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	7100 }
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	7101 }
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	7102 #endif
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	7103
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	7104 return 1 + rex.lnum;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7105 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7106
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7107 /*
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7108 * Match a regexp against a string ("line" points to the string) or multiple
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7109 * lines ("line" is NULL, use reg_getline()).
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7110 *
6392 2bb019eb60ca updated for version 7.4.527 Bram Moolenaar <bram@vim.org> parents: 6328 diff changeset	7111 * 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	7112 */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7113 static long
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	7114 nfa_regexec_both(
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	7115 char_u *line,
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	7116 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	7117 proftime_T *tm, // timeout limit or NULL
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	7118 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	7119 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7120 nfa_regprog_T *prog;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7121 long retval = 0L;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7122 int i;
4772 03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	7123 colnr_T col = startcol;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7124
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7125 if (REG_MULTI)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7126 {
10245 d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10170 diff changeset	7127 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	7128 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	7129 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	7130 rex.reg_endpos = rex.reg_mmatch->endpos;
4444 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 else
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7133 {
10245 d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10170 diff changeset	7134 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	7135 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	7136 rex.reg_endp = rex.reg_match->endp;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7137 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7138
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	7139 // Be paranoid...
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7140 if (prog == NULL \|\| line == NULL)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7141 {
15470 55ccc2d353bd patch 8.1.0743: giving error messages is not flexible Bram Moolenaar <Bram@vim.org> parents: 15265 diff changeset	7142 emsg(_(e_null));
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7143 goto theend;
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
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	7146 // 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	7147 if (prog->regflags & RF_ICASE)
10245 d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10170 diff changeset	7148 rex.reg_ic = TRUE;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7149 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	7150 rex.reg_ic = FALSE;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7151
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	7152 // 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	7153 if (prog->regflags & RF_ICOMBINE)
10245 d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10170 diff changeset	7154 rex.reg_icombine = TRUE;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7155
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	7156 rex.line = line;
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	7157 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	7158
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	7159 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	7160 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	7161 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	7162 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	7163 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	7164 #ifdef DEBUG
4690 9d97a0c045ef updated for version 7.3.1092 Bram Moolenaar <bram@vim.org> parents: 4688 diff changeset	7165 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	7166 #endif
4553 7b835b2969af updated for version 7.3.1024 Bram Moolenaar <bram@vim.org> parents: 4551 diff changeset	7167
4772 03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	7168 if (prog->reganch && col > 0)
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	7169 return 0L;
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	7170
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	7171 rex.need_clear_subexpr = TRUE;
4805 66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	7172 #ifdef FEAT_SYN_HL
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	7173 // Clear the external match subpointers if necessary.
4805 66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	7174 if (prog->reghasz == REX_SET)
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	7175 {
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	7176 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	7177 rex.need_clear_zsubexpr = TRUE;
4805 66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	7178 }
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	7179 else
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	7180 {
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	7181 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	7182 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	7183 }
4805 66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	7184 #endif
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	7185
4772 03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	7186 if (prog->regstart != NUL)
4805 66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	7187 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	7188 // 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	7189 // 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	7190 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	7191 return 0L;
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	7192
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	7193 // 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	7194 // 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	7195 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	7196 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	7197 }
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	7198
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	7199 // 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	7200 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	7201 goto theend;
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	7202
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	7203 // 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	7204 // 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	7205 nstate = 0;
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	7206 for (i = 0; i < prog->nstate; ++i)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7207 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7208 prog->state[i].id = i;
4718 ec72bb4a0fc2 updated for version 7.3.1106 Bram Moolenaar <bram@vim.org> parents: 4716 diff changeset	7209 prog->state[i].lastlist[0] = 0;
ec72bb4a0fc2 updated for version 7.3.1106 Bram Moolenaar <bram@vim.org> parents: 4716 diff changeset	7210 prog->state[i].lastlist[1] = 0;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7211 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7212
11521 578df034735d patch 8.0.0643: when a pattern search is slow Vim becomes unusable Christian Brabandt <cb@256bit.org> parents: 11480 diff changeset	7213 retval = nfa_regtry(prog, col, tm, timed_out);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7214
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	7215 #ifdef DEBUG
4690 9d97a0c045ef updated for version 7.3.1092 Bram Moolenaar <bram@vim.org> parents: 4688 diff changeset	7216 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	7217 #endif
4690 9d97a0c045ef updated for version 7.3.1092 Bram Moolenaar <bram@vim.org> parents: 4688 diff changeset	7218
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7219 theend:
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7220 return retval;
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
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7223 /*
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7224 * 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	7225 * 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	7226 */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7227 static regprog_T *
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	7228 nfa_regcomp(char_u *expr, int re_flags)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7229 {
4541 80170d61a85c updated for version 7.3.1018 Bram Moolenaar <bram@vim.org> parents: 4539 diff changeset	7230 nfa_regprog_T *prog = NULL;
4458 21e13403140a updated for version 7.3.977 Bram Moolenaar <bram@vim.org> parents: 4456 diff changeset	7231 size_t prog_size;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7232 int *postfix;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7233
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7234 if (expr == NULL)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7235 return NULL;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7236
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	7237 #ifdef DEBUG
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7238 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	7239 #endif
6533 bdc8e71633e4 updated for version 7.4.593 Bram Moolenaar <bram@vim.org> parents: 6510 diff changeset	7240 nfa_re_flags = re_flags;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7241
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7242 init_class_tab();
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7243
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7244 if (nfa_regcomp_start(expr, re_flags) == FAIL)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7245 return NULL;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7246
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	7247 // 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	7248 // (and count its size).
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7249 postfix = re2post();
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7250 if (postfix == NULL)
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	7251 goto fail; // Cascaded (syntax?) error
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7252
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7253 /*
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7254 * 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	7255 * 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	7256 * 2. second to emit code
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7257 */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7258 #ifdef ENABLE_LOG
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7259 {
4531 1be43c095aff updated for version 7.3.1013 Bram Moolenaar <bram@vim.org> parents: 4529 diff changeset	7260 FILE *f = fopen(NFA_REGEXP_RUN_LOG, "a");
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7261
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7262 if (f != NULL)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7263 {
14145 1cf832945469 patch 8.1.0090: "..." used inconsistently in a message Christian Brabandt <cb@256bit.org> parents: 14121 diff changeset	7264 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	7265 fclose(f);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7266 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7267 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7268 #endif
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7269
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7270 /*
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7271 * PASS 1
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7272 * 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	7273 */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7274 post2nfa(postfix, post_ptr, TRUE);
4541 80170d61a85c updated for version 7.3.1018 Bram Moolenaar <bram@vim.org> parents: 4539 diff changeset	7275
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	7276 // 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	7277 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	7278 prog = alloc(prog_size);
4541 80170d61a85c updated for version 7.3.1018 Bram Moolenaar <bram@vim.org> parents: 4539 diff changeset	7279 if (prog == NULL)
80170d61a85c updated for version 7.3.1018 Bram Moolenaar <bram@vim.org> parents: 4539 diff changeset	7280 goto fail;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7281 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	7282 prog->re_in_use = FALSE;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7283
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7284 /*
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7285 * PASS 2
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7286 * Build the NFA
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 prog->start = post2nfa(postfix, post_ptr, FALSE);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7289 if (prog->start == NULL)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7290 goto fail;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7291
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7292 prog->regflags = regflags;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7293 prog->engine = &nfa_regengine;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7294 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	7295 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	7296 prog->has_backref = rex.nfa_has_backref;
4561 4d81fdda8f35 updated for version 7.3.1028 Bram Moolenaar <bram@vim.org> parents: 4559 diff changeset	7297 prog->nsubexp = regnpar;
4772 03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	7298
4845 a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	7299 nfa_postprocess(prog);
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	7300
4772 03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	7301 prog->reganch = nfa_get_reganch(prog->start, 0);
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	7302 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	7303 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	7304
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7305 #ifdef ENABLE_LOG
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7306 nfa_postfix_dump(expr, OK);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7307 nfa_dump(prog);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7308 #endif
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	7309 #ifdef FEAT_SYN_HL
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	7310 // 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	7311 prog->reghasz = re_has_z;
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	7312 #endif
4805 66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	7313 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	7314 #ifdef DEBUG
4690 9d97a0c045ef updated for version 7.3.1092 Bram Moolenaar <bram@vim.org> parents: 4688 diff changeset	7315 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	7316 #endif
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7317
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7318 out:
13244 ac42c4b11dbc patch 8.0.1496: clearing a pointer takes two lines Christian Brabandt <cb@256bit.org> parents: 13208 diff changeset	7319 VIM_CLEAR(post_start);
ac42c4b11dbc patch 8.0.1496: clearing a pointer takes two lines Christian Brabandt <cb@256bit.org> parents: 13208 diff changeset	7320 post_ptr = post_end = NULL;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7321 state_ptr = NULL;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7322 return (regprog_T *)prog;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7323
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7324 fail:
13244 ac42c4b11dbc patch 8.0.1496: clearing a pointer takes two lines Christian Brabandt <cb@256bit.org> parents: 13208 diff changeset	7325 VIM_CLEAR(prog);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7326 #ifdef ENABLE_LOG
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7327 nfa_postfix_dump(expr, FAIL);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7328 #endif
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	7329 #ifdef DEBUG
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7330 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	7331 #endif
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7332 goto out;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7333 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7334
4805 66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	7335 /*
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	7336 * 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	7337 */
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	7338 static void
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	7339 nfa_regfree(regprog_T *prog)
4805 66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	7340 {
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	7341 if (prog != NULL)
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	7342 {
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	7343 vim_free(((nfa_regprog_T *)prog)->match_text);
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	7344 vim_free(((nfa_regprog_T *)prog)->pattern);
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	7345 vim_free(prog);
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	7346 }
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	7347 }
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7348
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7349 /*
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7350 * Match a regexp against a string.
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7351 * "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	7352 * Uses curbuf for line count and 'iskeyword'.
5838 0ea551fa607d updated for version 7.4.262 Bram Moolenaar <bram@vim.org> parents: 5820 diff changeset	7353 * 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	7354 *
6392 2bb019eb60ca updated for version 7.4.527 Bram Moolenaar <bram@vim.org> parents: 6328 diff changeset	7355 * 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	7356 */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7357 static int
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	7358 nfa_regexec_nl(
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	7359 regmatch_T *rmp,
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	7360 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	7361 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	7362 int line_lbr)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7363 {
10245 d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10170 diff changeset	7364 rex.reg_match = rmp;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10170 diff changeset	7365 rex.reg_mmatch = NULL;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10170 diff changeset	7366 rex.reg_maxline = 0;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10170 diff changeset	7367 rex.reg_line_lbr = line_lbr;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10170 diff changeset	7368 rex.reg_buf = curbuf;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10170 diff changeset	7369 rex.reg_win = NULL;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10170 diff changeset	7370 rex.reg_ic = rmp->rm_ic;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10170 diff changeset	7371 rex.reg_icombine = FALSE;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10170 diff changeset	7372 rex.reg_maxcol = 0;
11521 578df034735d patch 8.0.0643: when a pattern search is slow Vim becomes unusable Christian Brabandt <cb@256bit.org> parents: 11480 diff changeset	7373 return nfa_regexec_both(line, col, NULL, NULL);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7374 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7375
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7376
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7377 /*
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7378 * Match a regexp against multiple lines.
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7379 * "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	7380 * Uses curbuf for line count and 'iskeyword'.
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7381 *
6392 2bb019eb60ca updated for version 7.4.527 Bram Moolenaar <bram@vim.org> parents: 6328 diff changeset	7382 * 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	7383 * match otherwise.
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7384 *
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7385 * 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	7386 *
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7387 * ! 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	7388 * 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	7389 *
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7390 * +-------------------------+
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7391 * \|a \|
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7392 * \|b \|
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7393 * \|c \|
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7394 * \| \|
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7395 * +-------------------------+
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7396 *
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7397 * then nfa_regexec_multi() returns 3. while the original
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7398 * 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	7399 *
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7400 * FIXME if this behavior is not compatible.
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7401 */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7402 static long
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	7403 nfa_regexec_multi(
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	7404 regmmatch_T *rmp,
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	7405 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	7406 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	7407 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	7408 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	7409 proftime_T *tm, // timeout limit or NULL
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	7410 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	7411 {
10245 d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10170 diff changeset	7412 rex.reg_match = NULL;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10170 diff changeset	7413 rex.reg_mmatch = rmp;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10170 diff changeset	7414 rex.reg_buf = buf;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10170 diff changeset	7415 rex.reg_win = win;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10170 diff changeset	7416 rex.reg_firstlnum = lnum;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10170 diff changeset	7417 rex.reg_maxline = rex.reg_buf->b_ml.ml_line_count - lnum;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10170 diff changeset	7418 rex.reg_line_lbr = FALSE;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10170 diff changeset	7419 rex.reg_ic = rmp->rmm_ic;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10170 diff changeset	7420 rex.reg_icombine = FALSE;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10170 diff changeset	7421 rex.reg_maxcol = rmp->rmm_maxcol;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7422
11521 578df034735d patch 8.0.0643: when a pattern search is slow Vim becomes unusable Christian Brabandt <cb@256bit.org> parents: 11480 diff changeset	7423 return nfa_regexec_both(NULL, col, tm, timed_out);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7424 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7425
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7426 #ifdef DEBUG
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7427 # undef ENABLE_LOG
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7428 #endif

Mercurial > vim

annotate src/regexp_nfa.c @ 19253:a8d2d3c8f0b3 v8.2.0185