vim: src/regexp_nfa.c annotate

annotate src/regexp_nfa.c @ 23471:a7cdfc8e4b6e v8.2.2278

patch 8.2.2278: falling back to old regexp engine can some patterns Commit: https://github.com/vim/vim/commit/66c50c565321d4d49d8d5620912e5e8fe4825644 Author: Bram Moolenaar <Bram@vim.org> Date: Sat Jan 2 17:43:49 2021 +0100 patch 8.2.2278: falling back to old regexp engine can some patterns Problem: Falling back to old regexp engine can some patterns. Solution: Do not fall back once [[:lower:]] or [[:upper:]] is used. (Christian Brabandt, closes #7572)

author	Bram Moolenaar <Bram@vim.org>
date	Sat, 02 Jan 2021 17:45:03 +0100
parents	22d0c25869d8
children	585695c70392

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");
20677 ab0dc036f586 patch 8.2.0892: ubsan warns for undefined behavior Bram Moolenaar <Bram@vim.org> parents: 20007 diff changeset	249 static char_u e_value_too_large[] = N_("E951: \\% value too large");
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	250
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	251 // 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	252 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	253 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	254 static int *post_end;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	255 static int *post_ptr;
23471 a7cdfc8e4b6e patch 8.2.2278: falling back to old regexp engine can some patterns Bram Moolenaar <Bram@vim.org> parents: 23270 diff changeset	256
a7cdfc8e4b6e patch 8.2.2278: falling back to old regexp engine can some patterns Bram Moolenaar <Bram@vim.org> parents: 23270 diff changeset	257 // Set when the pattern should use the NFA engine.
a7cdfc8e4b6e patch 8.2.2278: falling back to old regexp engine can some patterns Bram Moolenaar <Bram@vim.org> parents: 23270 diff changeset	258 // E.g. [[:upper:]] only allows 8bit characters for BT engine,
a7cdfc8e4b6e patch 8.2.2278: falling back to old regexp engine can some patterns Bram Moolenaar <Bram@vim.org> parents: 23270 diff changeset	259 // while NFA engine handles multibyte characters correctly.
a7cdfc8e4b6e patch 8.2.2278: falling back to old regexp engine can some patterns Bram Moolenaar <Bram@vim.org> parents: 23270 diff changeset	260 static int wants_nfa;
a7cdfc8e4b6e patch 8.2.2278: falling back to old regexp engine can some patterns Bram Moolenaar <Bram@vim.org> parents: 23270 diff changeset	261
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	262 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	263 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	264
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	265 // 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	266 static save_se_T *nfa_endp = NULL;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	267
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	268 // 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	269 static int nfa_ll_index = 0;
ec72bb4a0fc2 updated for version 7.3.1106 Bram Moolenaar <bram@vim.org> parents: 4716 diff changeset	270
7805 0b6c37dd858d commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077 Christian Brabandt <cb@256bit.org> parents: 7258 diff changeset	271 static int realloc_post_list(void);
0b6c37dd858d commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077 Christian Brabandt <cb@256bit.org> parents: 7258 diff changeset	272 static int nfa_reg(int paren);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	273 #ifdef DEBUG
7805 0b6c37dd858d commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077 Christian Brabandt <cb@256bit.org> parents: 7258 diff changeset	274 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	275 #endif
7805 0b6c37dd858d commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077 Christian Brabandt <cb@256bit.org> parents: 7258 diff changeset	276 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	277 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	278
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	279 // helper functions used when doing re2post() ... regatom() parsing
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	280 #define EMIT(c) do { \
4651 f10f63aaec5c updated for version 7.3.1073 Bram Moolenaar <bram@vim.org> parents: 4649 diff changeset	281 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	282 return FAIL; \
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	283 *post_ptr++ = c; \
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	284 } while (0)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	285
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	286 /*
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	287 * Initialize internal variables before NFA compilation.
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	288 * Return OK on success, FAIL otherwise.
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	289 */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	290 static int
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	291 nfa_regcomp_start(
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	292 char_u *expr,
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	293 int re_flags) // see vim_regcomp()
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	294 {
4458 21e13403140a updated for version 7.3.977 Bram Moolenaar <bram@vim.org> parents: 4456 diff changeset	295 size_t postfix_size;
4555 b2946c06d1b6 updated for version 7.3.1025 Bram Moolenaar <bram@vim.org> parents: 4553 diff changeset	296 int nstate_max;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	297
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	298 nstate = 0;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	299 istate = 0;
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	300 // A reasonable estimation for maximum size
4673 05d57d7c2d55 updated for version 7.3.1084 Bram Moolenaar <bram@vim.org> parents: 4671 diff changeset	301 nstate_max = (int)(STRLEN(expr) + 1) * 25;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	302
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	303 // 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	304 // 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	305 nstate_max += 1000;
4454 44b89b025cdf updated for version 7.3.975 Bram Moolenaar <bram@vim.org> parents: 4450 diff changeset	306
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	307 // Size for postfix representation of expr.
4651 f10f63aaec5c updated for version 7.3.1073 Bram Moolenaar <bram@vim.org> parents: 4649 diff changeset	308 postfix_size = sizeof(int) * nstate_max;
4454 44b89b025cdf updated for version 7.3.975 Bram Moolenaar <bram@vim.org> parents: 4450 diff changeset	309
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	310 post_start = alloc(postfix_size);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	311 if (post_start == NULL)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	312 return FAIL;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	313 post_ptr = post_start;
4454 44b89b025cdf updated for version 7.3.975 Bram Moolenaar <bram@vim.org> parents: 4450 diff changeset	314 post_end = post_start + nstate_max;
23471 a7cdfc8e4b6e patch 8.2.2278: falling back to old regexp engine can some patterns Bram Moolenaar <Bram@vim.org> parents: 23270 diff changeset	315 wants_nfa = FALSE;
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	316 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	317 rex.nfa_has_backref = FALSE;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	318
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	319 // shared with BT engine
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	320 regcomp_start(expr, re_flags);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	321
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	322 return OK;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	323 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	324
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	325 /*
4772 03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	326 * 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	327 * of the line.
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 static int
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	330 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	331 {
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	332 nfa_state_T *p = start;
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	333
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	334 if (depth > 4)
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	335 return 0;
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 while (p != NULL)
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	338 {
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	339 switch (p->c)
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	340 {
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	341 case NFA_BOL:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	342 case NFA_BOF:
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	343 return 1; // yes!
4772 03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	344
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	345 case NFA_ZSTART:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	346 case NFA_ZEND:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	347 case NFA_CURSOR:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	348 case NFA_VISUAL:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	349
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	350 case NFA_MOPEN:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	351 case NFA_MOPEN1:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	352 case NFA_MOPEN2:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	353 case NFA_MOPEN3:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	354 case NFA_MOPEN4:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	355 case NFA_MOPEN5:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	356 case NFA_MOPEN6:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	357 case NFA_MOPEN7:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	358 case NFA_MOPEN8:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	359 case NFA_MOPEN9:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	360 case NFA_NOPEN:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	361 #ifdef FEAT_SYN_HL
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	362 case NFA_ZOPEN:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	363 case NFA_ZOPEN1:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	364 case NFA_ZOPEN2:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	365 case NFA_ZOPEN3:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	366 case NFA_ZOPEN4:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	367 case NFA_ZOPEN5:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	368 case NFA_ZOPEN6:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	369 case NFA_ZOPEN7:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	370 case NFA_ZOPEN8:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	371 case NFA_ZOPEN9:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	372 #endif
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	373 p = p->out;
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	374 break;
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 case NFA_SPLIT:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	377 return nfa_get_reganch(p->out, depth + 1)
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	378 && nfa_get_reganch(p->out1, depth + 1);
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 default:
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	381 return 0; // noooo
4772 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 }
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	384 return 0;
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
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 * 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	389 * at start of the match.
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 static int
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	392 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	393 {
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	394 nfa_state_T *p = start;
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	395
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	396 if (depth > 4)
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	397 return 0;
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	398
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	399 while (p != NULL)
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	400 {
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	401 switch (p->c)
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	402 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	403 // all kinds of zero-width matches
4772 03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	404 case NFA_BOL:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	405 case NFA_BOF:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	406 case NFA_BOW:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	407 case NFA_EOW:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	408 case NFA_ZSTART:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	409 case NFA_ZEND:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	410 case NFA_CURSOR:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	411 case NFA_VISUAL:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	412 case NFA_LNUM:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	413 case NFA_LNUM_GT:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	414 case NFA_LNUM_LT:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	415 case NFA_COL:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	416 case NFA_COL_GT:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	417 case NFA_COL_LT:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	418 case NFA_VCOL:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	419 case NFA_VCOL_GT:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	420 case NFA_VCOL_LT:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	421 case NFA_MARK:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	422 case NFA_MARK_GT:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	423 case NFA_MARK_LT:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	424
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	425 case NFA_MOPEN:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	426 case NFA_MOPEN1:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	427 case NFA_MOPEN2:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	428 case NFA_MOPEN3:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	429 case NFA_MOPEN4:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	430 case NFA_MOPEN5:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	431 case NFA_MOPEN6:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	432 case NFA_MOPEN7:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	433 case NFA_MOPEN8:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	434 case NFA_MOPEN9:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	435 case NFA_NOPEN:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	436 #ifdef FEAT_SYN_HL
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	437 case NFA_ZOPEN:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	438 case NFA_ZOPEN1:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	439 case NFA_ZOPEN2:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	440 case NFA_ZOPEN3:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	441 case NFA_ZOPEN4:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	442 case NFA_ZOPEN5:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	443 case NFA_ZOPEN6:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	444 case NFA_ZOPEN7:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	445 case NFA_ZOPEN8:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	446 case NFA_ZOPEN9:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	447 #endif
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	448 p = p->out;
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	449 break;
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	450
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	451 case NFA_SPLIT:
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 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	454 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	455
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	456 if (c1 == c2)
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	457 return c1; // yes!
4772 03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	458 return 0;
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	459 }
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 default:
4785 3b5a023a4543 updated for version 7.3.1139 Bram Moolenaar <bram@vim.org> parents: 4783 diff changeset	462 if (p->c > 0)
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	463 return p->c; // yes!
4772 03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	464 return 0;
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	465 }
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	466 }
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	467 return 0;
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	468 }
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	469
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	470 /*
4805 66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	471 * 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	472 * 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	473 * regstart. Otherwise return NULL.
4805 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 static char_u *
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	476 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	477 {
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	478 nfa_state_T *p = start;
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	479 int len = 0;
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	480 char_u *ret;
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	481 char_u *s;
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_MOPEN)
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	484 return NULL; // just in case
4805 66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	485 p = p->out;
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	486 while (p->c > 0)
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	487 {
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	488 len += MB_CHAR2LEN(p->c);
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	489 p = p->out;
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	490 }
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	491 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	492 return NULL;
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	493
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	494 ret = alloc(len);
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	495 if (ret != NULL)
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	496 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	497 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	498 s = ret;
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	499 while (p->c > 0)
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 if (has_mbyte)
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	502 s += (*mb_char2bytes)(p->c, s);
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	503 else
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	504 *s++ = p->c;
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	505 p = p->out;
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	506 }
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	507 *s = NUL;
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	508 }
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	509 return ret;
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	510 }
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	511
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	512 /*
4651 f10f63aaec5c updated for version 7.3.1073 Bram Moolenaar <bram@vim.org> parents: 4649 diff changeset	513 * Allocate more space for post_start. Called when
f10f63aaec5c updated for version 7.3.1073 Bram Moolenaar <bram@vim.org> parents: 4649 diff changeset	514 * running above the estimated number of states.
f10f63aaec5c updated for version 7.3.1073 Bram Moolenaar <bram@vim.org> parents: 4649 diff changeset	515 */
f10f63aaec5c updated for version 7.3.1073 Bram Moolenaar <bram@vim.org> parents: 4649 diff changeset	516 static int
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	517 realloc_post_list(void)
4651 f10f63aaec5c updated for version 7.3.1073 Bram Moolenaar <bram@vim.org> parents: 4649 diff changeset	518 {
4667 9e7ef781d494 updated for version 7.3.1081 Bram Moolenaar <bram@vim.org> parents: 4661 diff changeset	519 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	520 int new_max;
4651 f10f63aaec5c updated for version 7.3.1073 Bram Moolenaar <bram@vim.org> parents: 4649 diff changeset	521 int *new_start;
f10f63aaec5c updated for version 7.3.1073 Bram Moolenaar <bram@vim.org> parents: 4649 diff changeset	522 int *old_start;
f10f63aaec5c updated for version 7.3.1073 Bram Moolenaar <bram@vim.org> parents: 4649 diff changeset	523
15904 fec4416adb80 patch 8.1.0958: compiling weird regexp pattern is very slow Bram Moolenaar <Bram@vim.org> parents: 15876 diff changeset	524 // 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	525 // 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	526 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	527 new_start = ALLOC_MULT(int, new_max);
4651 f10f63aaec5c updated for version 7.3.1073 Bram Moolenaar <bram@vim.org> parents: 4649 diff changeset	528 if (new_start == NULL)
f10f63aaec5c updated for version 7.3.1073 Bram Moolenaar <bram@vim.org> parents: 4649 diff changeset	529 return FAIL;
f10f63aaec5c updated for version 7.3.1073 Bram Moolenaar <bram@vim.org> parents: 4649 diff changeset	530 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	531 old_start = post_start;
f10f63aaec5c updated for version 7.3.1073 Bram Moolenaar <bram@vim.org> parents: 4649 diff changeset	532 post_start = new_start;
f10f63aaec5c updated for version 7.3.1073 Bram Moolenaar <bram@vim.org> parents: 4649 diff changeset	533 post_ptr = new_start + (post_ptr - old_start);
f10f63aaec5c updated for version 7.3.1073 Bram Moolenaar <bram@vim.org> parents: 4649 diff changeset	534 post_end = post_start + new_max;
f10f63aaec5c updated for version 7.3.1073 Bram Moolenaar <bram@vim.org> parents: 4649 diff changeset	535 vim_free(old_start);
f10f63aaec5c updated for version 7.3.1073 Bram Moolenaar <bram@vim.org> parents: 4649 diff changeset	536 return OK;
f10f63aaec5c updated for version 7.3.1073 Bram Moolenaar <bram@vim.org> parents: 4649 diff changeset	537 }
f10f63aaec5c updated for version 7.3.1073 Bram Moolenaar <bram@vim.org> parents: 4649 diff changeset	538
f10f63aaec5c updated for version 7.3.1073 Bram Moolenaar <bram@vim.org> parents: 4649 diff changeset	539 /*
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	540 * 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	541 * character class in expanded form. For example [0-9].
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	542 * 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	543 * On failure, return 0 (=FAIL)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	544 * 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	545 * to the closing brace.
5296 3e9107b86b68 updated for version 7.4.001 Bram Moolenaar <bram@vim.org> parents: 5255 diff changeset	546 * 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	547 * need to be interpreted as [a-zA-Z].
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	548 */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	549 static int
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	550 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	551 {
4728 43de4ebbe7ad updated for version 7.3.1111 Bram Moolenaar <bram@vim.org> parents: 4726 diff changeset	552 # define CLASS_not 0x80
43de4ebbe7ad updated for version 7.3.1111 Bram Moolenaar <bram@vim.org> parents: 4726 diff changeset	553 # define CLASS_af 0x40
43de4ebbe7ad updated for version 7.3.1111 Bram Moolenaar <bram@vim.org> parents: 4726 diff changeset	554 # define CLASS_AF 0x20
43de4ebbe7ad updated for version 7.3.1111 Bram Moolenaar <bram@vim.org> parents: 4726 diff changeset	555 # define CLASS_az 0x10
43de4ebbe7ad updated for version 7.3.1111 Bram Moolenaar <bram@vim.org> parents: 4726 diff changeset	556 # define CLASS_AZ 0x08
43de4ebbe7ad updated for version 7.3.1111 Bram Moolenaar <bram@vim.org> parents: 4726 diff changeset	557 # define CLASS_o7 0x04
43de4ebbe7ad updated for version 7.3.1111 Bram Moolenaar <bram@vim.org> parents: 4726 diff changeset	558 # define CLASS_o9 0x02
43de4ebbe7ad updated for version 7.3.1111 Bram Moolenaar <bram@vim.org> parents: 4726 diff changeset	559 # define CLASS_underscore 0x01
43de4ebbe7ad updated for version 7.3.1111 Bram Moolenaar <bram@vim.org> parents: 4726 diff changeset	560
43de4ebbe7ad updated for version 7.3.1111 Bram Moolenaar <bram@vim.org> parents: 4726 diff changeset	561 int newl = FALSE;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	562 char_u *p;
4728 43de4ebbe7ad updated for version 7.3.1111 Bram Moolenaar <bram@vim.org> parents: 4726 diff changeset	563 int config = 0;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	564
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	565 if (extra_newl == TRUE)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	566 newl = TRUE;
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 if (*end != ']')
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	569 return FAIL;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	570 p = start;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	571 if (*p == '^')
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	572 {
4728 43de4ebbe7ad updated for version 7.3.1111 Bram Moolenaar <bram@vim.org> parents: 4726 diff changeset	573 config \|= CLASS_not;
4720 bd6bef0bd0fb updated for version 7.3.1107 Bram Moolenaar <bram@vim.org> parents: 4718 diff changeset	574 p++;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	575 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	576
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	577 while (p < end)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	578 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	579 if (p + 2 < end && *(p + 1) == '-')
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 switch (*p)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	582 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	583 case '0':
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	584 if (*(p + 2) == '9')
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	585 {
4728 43de4ebbe7ad updated for version 7.3.1111 Bram Moolenaar <bram@vim.org> parents: 4726 diff changeset	586 config \|= CLASS_o9;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	587 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	588 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	589 if (*(p + 2) == '7')
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_o7;
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 }
11469 0ade9dd85156 patch 8.0.0618: NFA regex engine handles [0-z] incorrectly Christian Brabandt <cb@256bit.org> parents: 11269 diff changeset	594 return FAIL;
0ade9dd85156 patch 8.0.0618: NFA regex engine handles [0-z] incorrectly Christian Brabandt <cb@256bit.org> parents: 11269 diff changeset	595
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	596 case 'a':
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	597 if (*(p + 2) == 'z')
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	598 {
4728 43de4ebbe7ad updated for version 7.3.1111 Bram Moolenaar <bram@vim.org> parents: 4726 diff changeset	599 config \|= CLASS_az;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	600 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	601 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	602 if (*(p + 2) == 'f')
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_af;
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 }
11469 0ade9dd85156 patch 8.0.0618: NFA regex engine handles [0-z] incorrectly Christian Brabandt <cb@256bit.org> parents: 11269 diff changeset	607 return FAIL;
0ade9dd85156 patch 8.0.0618: NFA regex engine handles [0-z] incorrectly Christian Brabandt <cb@256bit.org> parents: 11269 diff changeset	608
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	609 case 'A':
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	610 if (*(p + 2) == 'Z')
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	611 {
4728 43de4ebbe7ad updated for version 7.3.1111 Bram Moolenaar <bram@vim.org> parents: 4726 diff changeset	612 config \|= CLASS_AZ;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	613 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	614 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	615 if (*(p + 2) == 'F')
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	616 {
4728 43de4ebbe7ad updated for version 7.3.1111 Bram Moolenaar <bram@vim.org> parents: 4726 diff changeset	617 config \|= CLASS_AF;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	618 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	619 }
11469 0ade9dd85156 patch 8.0.0618: NFA regex engine handles [0-z] incorrectly Christian Brabandt <cb@256bit.org> parents: 11269 diff changeset	620 return FAIL;
0ade9dd85156 patch 8.0.0618: NFA regex engine handles [0-z] incorrectly Christian Brabandt <cb@256bit.org> parents: 11269 diff changeset	621
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	622 default:
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	623 return FAIL;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	624 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	625 p += 3;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	626 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	627 else if (p + 1 < end && p == '\\' && (p + 1) == 'n')
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 newl = TRUE;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	630 p += 2;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	631 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	632 else if (*p == '_')
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	633 {
4728 43de4ebbe7ad updated for version 7.3.1111 Bram Moolenaar <bram@vim.org> parents: 4726 diff changeset	634 config \|= CLASS_underscore;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	635 p ++;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	636 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	637 else if (*p == '\n')
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	638 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	639 newl = TRUE;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	640 p ++;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	641 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	642 else
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	643 return FAIL;
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	644 } // while (p < end)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	645
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	646 if (p != end)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	647 return FAIL;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	648
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	649 if (newl == TRUE)
5296 3e9107b86b68 updated for version 7.4.001 Bram Moolenaar <bram@vim.org> parents: 5255 diff changeset	650 extra_newl = NFA_ADD_NL;
4728 43de4ebbe7ad updated for version 7.3.1111 Bram Moolenaar <bram@vim.org> parents: 4726 diff changeset	651
43de4ebbe7ad updated for version 7.3.1111 Bram Moolenaar <bram@vim.org> parents: 4726 diff changeset	652 switch (config)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	653 {
4728 43de4ebbe7ad updated for version 7.3.1111 Bram Moolenaar <bram@vim.org> parents: 4726 diff changeset	654 case CLASS_o9:
43de4ebbe7ad updated for version 7.3.1111 Bram Moolenaar <bram@vim.org> parents: 4726 diff changeset	655 return extra_newl + NFA_DIGIT;
43de4ebbe7ad updated for version 7.3.1111 Bram Moolenaar <bram@vim.org> parents: 4726 diff changeset	656 case CLASS_not \| CLASS_o9:
43de4ebbe7ad updated for version 7.3.1111 Bram Moolenaar <bram@vim.org> parents: 4726 diff changeset	657 return extra_newl + NFA_NDIGIT;
43de4ebbe7ad updated for version 7.3.1111 Bram Moolenaar <bram@vim.org> parents: 4726 diff changeset	658 case CLASS_af \| CLASS_AF \| CLASS_o9:
43de4ebbe7ad updated for version 7.3.1111 Bram Moolenaar <bram@vim.org> parents: 4726 diff changeset	659 return extra_newl + NFA_HEX;
43de4ebbe7ad updated for version 7.3.1111 Bram Moolenaar <bram@vim.org> parents: 4726 diff changeset	660 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	661 return extra_newl + NFA_NHEX;
43de4ebbe7ad updated for version 7.3.1111 Bram Moolenaar <bram@vim.org> parents: 4726 diff changeset	662 case CLASS_o7:
43de4ebbe7ad updated for version 7.3.1111 Bram Moolenaar <bram@vim.org> parents: 4726 diff changeset	663 return extra_newl + NFA_OCTAL;
43de4ebbe7ad updated for version 7.3.1111 Bram Moolenaar <bram@vim.org> parents: 4726 diff changeset	664 case CLASS_not \| CLASS_o7:
43de4ebbe7ad updated for version 7.3.1111 Bram Moolenaar <bram@vim.org> parents: 4726 diff changeset	665 return extra_newl + NFA_NOCTAL;
43de4ebbe7ad updated for version 7.3.1111 Bram Moolenaar <bram@vim.org> parents: 4726 diff changeset	666 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	667 return extra_newl + NFA_WORD;
43de4ebbe7ad updated for version 7.3.1111 Bram Moolenaar <bram@vim.org> parents: 4726 diff changeset	668 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	669 return extra_newl + NFA_NWORD;
43de4ebbe7ad updated for version 7.3.1111 Bram Moolenaar <bram@vim.org> parents: 4726 diff changeset	670 case CLASS_az \| CLASS_AZ \| CLASS_underscore:
43de4ebbe7ad updated for version 7.3.1111 Bram Moolenaar <bram@vim.org> parents: 4726 diff changeset	671 return extra_newl + NFA_HEAD;
43de4ebbe7ad updated for version 7.3.1111 Bram Moolenaar <bram@vim.org> parents: 4726 diff changeset	672 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	673 return extra_newl + NFA_NHEAD;
43de4ebbe7ad updated for version 7.3.1111 Bram Moolenaar <bram@vim.org> parents: 4726 diff changeset	674 case CLASS_az \| CLASS_AZ:
43de4ebbe7ad updated for version 7.3.1111 Bram Moolenaar <bram@vim.org> parents: 4726 diff changeset	675 return extra_newl + NFA_ALPHA;
43de4ebbe7ad updated for version 7.3.1111 Bram Moolenaar <bram@vim.org> parents: 4726 diff changeset	676 case CLASS_not \| CLASS_az \| CLASS_AZ:
43de4ebbe7ad updated for version 7.3.1111 Bram Moolenaar <bram@vim.org> parents: 4726 diff changeset	677 return extra_newl + NFA_NALPHA;
43de4ebbe7ad updated for version 7.3.1111 Bram Moolenaar <bram@vim.org> parents: 4726 diff changeset	678 case CLASS_az:
5296 3e9107b86b68 updated for version 7.4.001 Bram Moolenaar <bram@vim.org> parents: 5255 diff changeset	679 return extra_newl + NFA_LOWER_IC;
4728 43de4ebbe7ad updated for version 7.3.1111 Bram Moolenaar <bram@vim.org> parents: 4726 diff changeset	680 case CLASS_not \| CLASS_az:
5296 3e9107b86b68 updated for version 7.4.001 Bram Moolenaar <bram@vim.org> parents: 5255 diff changeset	681 return extra_newl + NFA_NLOWER_IC;
4728 43de4ebbe7ad updated for version 7.3.1111 Bram Moolenaar <bram@vim.org> parents: 4726 diff changeset	682 case CLASS_AZ:
5296 3e9107b86b68 updated for version 7.4.001 Bram Moolenaar <bram@vim.org> parents: 5255 diff changeset	683 return extra_newl + NFA_UPPER_IC;
4728 43de4ebbe7ad updated for version 7.3.1111 Bram Moolenaar <bram@vim.org> parents: 4726 diff changeset	684 case CLASS_not \| CLASS_AZ:
5296 3e9107b86b68 updated for version 7.4.001 Bram Moolenaar <bram@vim.org> parents: 5255 diff changeset	685 return extra_newl + NFA_NUPPER_IC;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	686 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	687 return FAIL;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	688 }
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 /*
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	691 * Produce the bytes for equivalence class "c".
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	692 * Currently only handles latin1, latin9 and utf-8.
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	693 * 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	694 * equivalent to 'a OR b OR c'
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	695 *
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	696 * 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	697 */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	698 static int
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	699 nfa_emit_equi_class(int c)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	700 {
5351 923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	701 #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	702 #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	703
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	704 if (enc_utf8 \|\| STRCMP(p_enc, "latin1") == 0
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	705 \|\| STRCMP(p_enc, "iso-8859-15") == 0)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	706 {
8841 f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	707 #ifdef EBCDIC
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	708 # define A_circumflex 0x62
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	709 # define A_diaeresis 0x63
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	710 # define A_grave 0x64
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	711 # define A_acute 0x65
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	712 # define A_virguilla 0x66
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	713 # define A_ring 0x67
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	714 # define C_cedilla 0x68
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	715 # define E_acute 0x71
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	716 # define E_circumflex 0x72
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	717 # define E_diaeresis 0x73
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	718 # define E_grave 0x74
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	719 # define I_acute 0x75
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	720 # define I_circumflex 0x76
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	721 # define I_diaeresis 0x77
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	722 # define I_grave 0x78
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	723 # define N_virguilla 0x69
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	724 # define O_circumflex 0xeb
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	725 # define O_diaeresis 0xec
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	726 # define O_grave 0xed
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	727 # define O_acute 0xee
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	728 # define O_virguilla 0xef
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	729 # define O_slash 0x80
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	730 # define U_circumflex 0xfb
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	731 # define U_diaeresis 0xfc
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	732 # define U_grave 0xfd
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	733 # define U_acute 0xfe
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	734 # define Y_acute 0xba
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	735 # define a_grave 0x42
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	736 # define a_acute 0x43
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	737 # define a_circumflex 0x44
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	738 # define a_virguilla 0x45
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	739 # define a_diaeresis 0x46
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	740 # define a_ring 0x47
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	741 # define c_cedilla 0x48
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	742 # define e_grave 0x51
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	743 # define e_acute 0x52
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	744 # define e_circumflex 0x53
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	745 # define e_diaeresis 0x54
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	746 # define i_grave 0x55
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	747 # define i_acute 0x56
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	748 # define i_circumflex 0x57
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	749 # define i_diaeresis 0x58
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	750 # define n_virguilla 0x49
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	751 # define o_grave 0xcb
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	752 # define o_acute 0xcc
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	753 # define o_circumflex 0xcd
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	754 # define o_virguilla 0xce
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	755 # define o_diaeresis 0xcf
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	756 # define o_slash 0x70
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	757 # define u_grave 0xdb
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	758 # define u_acute 0xdc
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	759 # define u_circumflex 0xdd
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	760 # define u_diaeresis 0xde
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	761 # define y_acute 0x8d
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	762 # define y_diaeresis 0xdf
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	763 #else
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	764 # define A_grave 0xc0
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	765 # define A_acute 0xc1
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	766 # define A_circumflex 0xc2
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	767 # define A_virguilla 0xc3
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	768 # define A_diaeresis 0xc4
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	769 # define A_ring 0xc5
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	770 # define C_cedilla 0xc7
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	771 # define E_grave 0xc8
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	772 # define E_acute 0xc9
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	773 # define E_circumflex 0xca
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	774 # define E_diaeresis 0xcb
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	775 # define I_grave 0xcc
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	776 # define I_acute 0xcd
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	777 # define I_circumflex 0xce
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	778 # define I_diaeresis 0xcf
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	779 # define N_virguilla 0xd1
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	780 # define O_grave 0xd2
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	781 # define O_acute 0xd3
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	782 # define O_circumflex 0xd4
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	783 # define O_virguilla 0xd5
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	784 # define O_diaeresis 0xd6
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	785 # define O_slash 0xd8
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	786 # define U_grave 0xd9
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	787 # define U_acute 0xda
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	788 # define U_circumflex 0xdb
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	789 # define U_diaeresis 0xdc
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	790 # define Y_acute 0xdd
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	791 # define a_grave 0xe0
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	792 # define a_acute 0xe1
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	793 # define a_circumflex 0xe2
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	794 # define a_virguilla 0xe3
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	795 # define a_diaeresis 0xe4
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	796 # define a_ring 0xe5
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	797 # define c_cedilla 0xe7
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	798 # define e_grave 0xe8
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	799 # define e_acute 0xe9
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	800 # define e_circumflex 0xea
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	801 # define e_diaeresis 0xeb
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	802 # define i_grave 0xec
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	803 # define i_acute 0xed
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	804 # define i_circumflex 0xee
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	805 # define i_diaeresis 0xef
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	806 # define n_virguilla 0xf1
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	807 # define o_grave 0xf2
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	808 # define o_acute 0xf3
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	809 # define o_circumflex 0xf4
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	810 # define o_virguilla 0xf5
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	811 # define o_diaeresis 0xf6
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	812 # define o_slash 0xf8
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	813 # define u_grave 0xf9
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	814 # define u_acute 0xfa
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	815 # define u_circumflex 0xfb
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	816 # define u_diaeresis 0xfc
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	817 # define y_acute 0xfd
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	818 # define y_diaeresis 0xff
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	819 #endif
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	820 switch (c)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	821 {
8841 f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	822 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	823 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	824 CASEMBC(0x100) CASEMBC(0x102) CASEMBC(0x104)
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	825 CASEMBC(0x1cd) CASEMBC(0x1de) CASEMBC(0x1e0)
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	826 CASEMBC(0x1ea2)
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	827 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	828 EMIT2(A_circumflex); EMIT2(A_virguilla);
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	829 EMIT2(A_diaeresis); EMIT2(A_ring);
5351 923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	830 EMITMBC(0x100) EMITMBC(0x102) EMITMBC(0x104)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	831 EMITMBC(0x1cd) EMITMBC(0x1de) EMITMBC(0x1e0)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	832 EMITMBC(0x1ea2)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	833 return OK;
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	834
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	835 case 'B': CASEMBC(0x1e02) CASEMBC(0x1e06)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	836 EMIT2('B'); EMITMBC(0x1e02) EMITMBC(0x1e06)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	837 return OK;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	838
8841 f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	839 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	840 CASEMBC(0x10a) CASEMBC(0x10c)
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	841 EMIT2('C'); EMIT2(C_cedilla);
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	842 EMITMBC(0x106) EMITMBC(0x108)
5351 923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	843 EMITMBC(0x10a) EMITMBC(0x10c)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	844 return OK;
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	845
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	846 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	847 CASEMBC(0x1e0e) CASEMBC(0x1e10)
5351 923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	848 EMIT2('D'); EMITMBC(0x10e) EMITMBC(0x110) EMITMBC(0x1e0a)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	849 EMITMBC(0x1e0e) EMITMBC(0x1e10)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	850 return OK;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	851
8841 f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	852 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	853 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	854 CASEMBC(0x116) CASEMBC(0x118) CASEMBC(0x11a)
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	855 CASEMBC(0x1eba) CASEMBC(0x1ebc)
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	856 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	857 EMIT2(E_circumflex); EMIT2(E_diaeresis);
5351 923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	858 EMITMBC(0x112) EMITMBC(0x114) EMITMBC(0x116)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	859 EMITMBC(0x118) EMITMBC(0x11a) EMITMBC(0x1eba)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	860 EMITMBC(0x1ebc)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	861 return OK;
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	862
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	863 case 'F': CASEMBC(0x1e1e)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	864 EMIT2('F'); EMITMBC(0x1e1e)
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 '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	868 CASEMBC(0x122) CASEMBC(0x1e4) CASEMBC(0x1e6)
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	869 CASEMBC(0x1f4) CASEMBC(0x1e20)
5351 923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	870 EMIT2('G'); EMITMBC(0x11c) EMITMBC(0x11e) EMITMBC(0x120)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	871 EMITMBC(0x122) EMITMBC(0x1e4) EMITMBC(0x1e6)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	872 EMITMBC(0x1f4) EMITMBC(0x1e20)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	873 return OK;
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	874
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	875 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	876 CASEMBC(0x1e26) CASEMBC(0x1e28)
5351 923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	877 EMIT2('H'); EMITMBC(0x124) EMITMBC(0x126) EMITMBC(0x1e22)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	878 EMITMBC(0x1e26) EMITMBC(0x1e28)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	879 return OK;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	880
8841 f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	881 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	882 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	883 CASEMBC(0x12c) CASEMBC(0x12e) CASEMBC(0x130)
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	884 CASEMBC(0x1cf) CASEMBC(0x1ec8)
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	885 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	886 EMIT2(I_circumflex); EMIT2(I_diaeresis);
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	887 EMITMBC(0x128) EMITMBC(0x12a)
5351 923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	888 EMITMBC(0x12c) EMITMBC(0x12e) EMITMBC(0x130)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	889 EMITMBC(0x1cf) EMITMBC(0x1ec8)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	890 return OK;
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	891
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	892 case 'J': CASEMBC(0x134)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	893 EMIT2('J'); EMITMBC(0x134)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	894 return OK;
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	895
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	896 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	897 CASEMBC(0x1e34)
5351 923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	898 EMIT2('K'); EMITMBC(0x136) EMITMBC(0x1e8) EMITMBC(0x1e30)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	899 EMITMBC(0x1e34)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	900 return OK;
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	901
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	902 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	903 CASEMBC(0x13f) CASEMBC(0x141) CASEMBC(0x1e3a)
5351 923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	904 EMIT2('L'); EMITMBC(0x139) EMITMBC(0x13b) EMITMBC(0x13d)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	905 EMITMBC(0x13f) EMITMBC(0x141) EMITMBC(0x1e3a)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	906 return OK;
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	907
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	908 case 'M': CASEMBC(0x1e3e) CASEMBC(0x1e40)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	909 EMIT2('M'); EMITMBC(0x1e3e) EMITMBC(0x1e40)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	910 return OK;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	911
8841 f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	912 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	913 CASEMBC(0x147) CASEMBC(0x1e44) CASEMBC(0x1e48)
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	914 EMIT2('N'); EMIT2(N_virguilla);
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	915 EMITMBC(0x143) EMITMBC(0x145)
5351 923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	916 EMITMBC(0x147) EMITMBC(0x1e44) EMITMBC(0x1e48)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	917 return OK;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	918
8841 f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	919 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	920 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	921 CASEMBC(0x14c) CASEMBC(0x14e) CASEMBC(0x150)
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	922 CASEMBC(0x1a0) CASEMBC(0x1d1) CASEMBC(0x1ea)
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	923 CASEMBC(0x1ec) CASEMBC(0x1ece)
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	924 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	925 EMIT2(O_circumflex); EMIT2(O_virguilla);
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	926 EMIT2(O_diaeresis); EMIT2(O_slash);
5351 923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	927 EMITMBC(0x14c) EMITMBC(0x14e) EMITMBC(0x150)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	928 EMITMBC(0x1a0) EMITMBC(0x1d1) EMITMBC(0x1ea)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	929 EMITMBC(0x1ec) EMITMBC(0x1ece)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	930 return OK;
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	931
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	932 case 'P': case 0x1e54: case 0x1e56:
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	933 EMIT2('P'); EMITMBC(0x1e54) EMITMBC(0x1e56)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	934 return OK;
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	935
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	936 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	937 CASEMBC(0x1e58) CASEMBC(0x1e5e)
5351 923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	938 EMIT2('R'); EMITMBC(0x154) EMITMBC(0x156) EMITMBC(0x158)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	939 EMITMBC(0x1e58) EMITMBC(0x1e5e)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	940 return OK;
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	941
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	942 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	943 CASEMBC(0x160) CASEMBC(0x1e60)
5351 923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	944 EMIT2('S'); EMITMBC(0x15a) EMITMBC(0x15c) EMITMBC(0x15e)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	945 EMITMBC(0x160) EMITMBC(0x1e60)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	946 return OK;
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	947
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	948 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	949 CASEMBC(0x1e6a) CASEMBC(0x1e6e)
5351 923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	950 EMIT2('T'); EMITMBC(0x162) EMITMBC(0x164) EMITMBC(0x166)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	951 EMITMBC(0x1e6a) EMITMBC(0x1e6e)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	952 return OK;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	953
8841 f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	954 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	955 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	956 CASEMBC(0x16c) CASEMBC(0x16e) CASEMBC(0x170)
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	957 CASEMBC(0x172) CASEMBC(0x1af) CASEMBC(0x1d3)
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	958 CASEMBC(0x1ee6)
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	959 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	960 EMIT2(U_diaeresis); EMIT2(U_circumflex);
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	961 EMITMBC(0x168) EMITMBC(0x16a)
5351 923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	962 EMITMBC(0x16c) EMITMBC(0x16e) EMITMBC(0x170)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	963 EMITMBC(0x172) EMITMBC(0x1af) EMITMBC(0x1d3)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	964 EMITMBC(0x1ee6)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	965 return OK;
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	966
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	967 case 'V': CASEMBC(0x1e7c)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	968 EMIT2('V'); EMITMBC(0x1e7c)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	969 return OK;
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	970
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	971 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	972 CASEMBC(0x1e84) CASEMBC(0x1e86)
5351 923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	973 EMIT2('W'); EMITMBC(0x174) EMITMBC(0x1e80) EMITMBC(0x1e82)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	974 EMITMBC(0x1e84) EMITMBC(0x1e86)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	975 return OK;
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	976
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	977 case 'X': CASEMBC(0x1e8a) CASEMBC(0x1e8c)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	978 EMIT2('X'); EMITMBC(0x1e8a) EMITMBC(0x1e8c)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	979 return OK;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	980
8841 f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	981 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	982 CASEMBC(0x1e8e) CASEMBC(0x1ef2) CASEMBC(0x1ef6)
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	983 CASEMBC(0x1ef8)
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	984 EMIT2('Y'); EMIT2(Y_acute);
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	985 EMITMBC(0x176) EMITMBC(0x178)
5351 923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	986 EMITMBC(0x1e8e) EMITMBC(0x1ef2) EMITMBC(0x1ef6)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	987 EMITMBC(0x1ef8)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	988 return OK;
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	989
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	990 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	991 CASEMBC(0x1b5) CASEMBC(0x1e90) CASEMBC(0x1e94)
5351 923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	992 EMIT2('Z'); EMITMBC(0x179) EMITMBC(0x17b) EMITMBC(0x17d)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	993 EMITMBC(0x1b5) EMITMBC(0x1e90) EMITMBC(0x1e94)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	994 return OK;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	995
8841 f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	996 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	997 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	998 CASEMBC(0x101) CASEMBC(0x103) CASEMBC(0x105)
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	999 CASEMBC(0x1ce) CASEMBC(0x1df) CASEMBC(0x1e1)
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	1000 CASEMBC(0x1ea3)
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	1001 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	1002 EMIT2(a_circumflex); EMIT2(a_virguilla);
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	1003 EMIT2(a_diaeresis); EMIT2(a_ring);
5351 923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1004 EMITMBC(0x101) EMITMBC(0x103) EMITMBC(0x105)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1005 EMITMBC(0x1ce) EMITMBC(0x1df) EMITMBC(0x1e1)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1006 EMITMBC(0x1ea3)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1007 return OK;
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1008
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1009 case 'b': CASEMBC(0x1e03) CASEMBC(0x1e07)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1010 EMIT2('b'); EMITMBC(0x1e03) EMITMBC(0x1e07)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1011 return OK;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1012
8841 f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	1013 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	1014 CASEMBC(0x10b) CASEMBC(0x10d)
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	1015 EMIT2('c'); EMIT2(c_cedilla);
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	1016 EMITMBC(0x107) EMITMBC(0x109)
5351 923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1017 EMITMBC(0x10b) EMITMBC(0x10d)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1018 return OK;
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1019
6914 94b179585851 patch 7.4.776 Bram Moolenaar <bram@vim.org> parents: 6787 diff changeset	1020 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	1021 CASEMBC(0x1e0f) CASEMBC(0x1e11)
6914 94b179585851 patch 7.4.776 Bram Moolenaar <bram@vim.org> parents: 6787 diff changeset	1022 EMIT2('d'); EMITMBC(0x10f) EMITMBC(0x111)
94b179585851 patch 7.4.776 Bram Moolenaar <bram@vim.org> parents: 6787 diff changeset	1023 EMITMBC(0x1e0b) EMITMBC(0x1e0f) EMITMBC(0x1e11)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1024 return OK;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1025
8841 f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	1026 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	1027 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	1028 CASEMBC(0x117) CASEMBC(0x119) CASEMBC(0x11b)
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	1029 CASEMBC(0x1ebb) CASEMBC(0x1ebd)
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	1030 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	1031 EMIT2(e_circumflex); EMIT2(e_diaeresis);
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	1032 EMITMBC(0x113) EMITMBC(0x115)
5351 923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1033 EMITMBC(0x117) EMITMBC(0x119) EMITMBC(0x11b)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1034 EMITMBC(0x1ebb) EMITMBC(0x1ebd)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1035 return OK;
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1036
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1037 case 'f': CASEMBC(0x1e1f)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1038 EMIT2('f'); EMITMBC(0x1e1f)
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 '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	1042 CASEMBC(0x123) CASEMBC(0x1e5) CASEMBC(0x1e7)
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	1043 CASEMBC(0x1f5) CASEMBC(0x1e21)
5351 923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1044 EMIT2('g'); EMITMBC(0x11d) EMITMBC(0x11f) EMITMBC(0x121)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1045 EMITMBC(0x123) EMITMBC(0x1e5) EMITMBC(0x1e7)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1046 EMITMBC(0x1f5) EMITMBC(0x1e21)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1047 return OK;
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1048
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1049 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	1050 CASEMBC(0x1e27) CASEMBC(0x1e29) CASEMBC(0x1e96)
5351 923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1051 EMIT2('h'); EMITMBC(0x125) EMITMBC(0x127) EMITMBC(0x1e23)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1052 EMITMBC(0x1e27) EMITMBC(0x1e29) EMITMBC(0x1e96)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1053 return OK;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1054
8841 f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	1055 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	1056 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	1057 CASEMBC(0x12d) CASEMBC(0x12f) CASEMBC(0x1d0)
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	1058 CASEMBC(0x1ec9)
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	1059 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	1060 EMIT2(i_circumflex); EMIT2(i_diaeresis);
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	1061 EMITMBC(0x129) EMITMBC(0x12b)
5351 923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1062 EMITMBC(0x12d) EMITMBC(0x12f) EMITMBC(0x1d0)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1063 EMITMBC(0x1ec9)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1064 return OK;
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1065
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1066 case 'j': CASEMBC(0x135) CASEMBC(0x1f0)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1067 EMIT2('j'); EMITMBC(0x135) EMITMBC(0x1f0)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1068 return OK;
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1069
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1070 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	1071 CASEMBC(0x1e35)
5351 923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1072 EMIT2('k'); EMITMBC(0x137) EMITMBC(0x1e9) EMITMBC(0x1e31)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1073 EMITMBC(0x1e35)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1074 return OK;
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1075
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1076 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	1077 CASEMBC(0x140) CASEMBC(0x142) CASEMBC(0x1e3b)
5351 923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1078 EMIT2('l'); EMITMBC(0x13a) EMITMBC(0x13c) EMITMBC(0x13e)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1079 EMITMBC(0x140) EMITMBC(0x142) EMITMBC(0x1e3b)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1080 return OK;
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1081
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1082 case 'm': CASEMBC(0x1e3f) CASEMBC(0x1e41)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1083 EMIT2('m'); EMITMBC(0x1e3f) EMITMBC(0x1e41)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1084 return OK;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1085
8841 f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	1086 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	1087 CASEMBC(0x148) CASEMBC(0x149) CASEMBC(0x1e45)
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	1088 CASEMBC(0x1e49)
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	1089 EMIT2('n'); EMIT2(n_virguilla);
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	1090 EMITMBC(0x144) EMITMBC(0x146)
5351 923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1091 EMITMBC(0x148) EMITMBC(0x149) EMITMBC(0x1e45)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1092 EMITMBC(0x1e49)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1093 return OK;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1094
8841 f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	1095 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	1096 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	1097 CASEMBC(0x14d) CASEMBC(0x14f) CASEMBC(0x151)
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	1098 CASEMBC(0x1a1) CASEMBC(0x1d2) CASEMBC(0x1eb)
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	1099 CASEMBC(0x1ed) CASEMBC(0x1ecf)
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	1100 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	1101 EMIT2(o_circumflex); EMIT2(o_virguilla);
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	1102 EMIT2(o_diaeresis); EMIT2(o_slash);
5351 923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1103 EMITMBC(0x14d) EMITMBC(0x14f) EMITMBC(0x151)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1104 EMITMBC(0x1a1) EMITMBC(0x1d2) EMITMBC(0x1eb)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1105 EMITMBC(0x1ed) EMITMBC(0x1ecf)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1106 return OK;
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1107
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1108 case 'p': CASEMBC(0x1e55) CASEMBC(0x1e57)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1109 EMIT2('p'); EMITMBC(0x1e55) EMITMBC(0x1e57)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1110 return OK;
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1111
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1112 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	1113 CASEMBC(0x1e59) CASEMBC(0x1e5f)
5351 923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1114 EMIT2('r'); EMITMBC(0x155) EMITMBC(0x157) EMITMBC(0x159)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1115 EMITMBC(0x1e59) EMITMBC(0x1e5f)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1116 return OK;
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1117
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1118 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	1119 CASEMBC(0x161) CASEMBC(0x1e61)
5351 923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1120 EMIT2('s'); EMITMBC(0x15b) EMITMBC(0x15d) EMITMBC(0x15f)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1121 EMITMBC(0x161) EMITMBC(0x1e61)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1122 return OK;
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1123
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1124 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	1125 CASEMBC(0x1e6b) CASEMBC(0x1e6f) CASEMBC(0x1e97)
5351 923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1126 EMIT2('t'); EMITMBC(0x163) EMITMBC(0x165) EMITMBC(0x167)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1127 EMITMBC(0x1e6b) EMITMBC(0x1e6f) EMITMBC(0x1e97)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1128 return OK;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1129
8841 f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	1130 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	1131 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	1132 CASEMBC(0x16d) CASEMBC(0x16f) CASEMBC(0x171)
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	1133 CASEMBC(0x173) CASEMBC(0x1b0) CASEMBC(0x1d4)
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	1134 CASEMBC(0x1ee7)
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	1135 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	1136 EMIT2(u_circumflex); EMIT2(u_diaeresis);
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	1137 EMITMBC(0x169) EMITMBC(0x16b)
5351 923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1138 EMITMBC(0x16d) EMITMBC(0x16f) EMITMBC(0x171)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1139 EMITMBC(0x173) EMITMBC(0x1b0) EMITMBC(0x1d4)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1140 EMITMBC(0x1ee7)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1141 return OK;
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1142
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1143 case 'v': CASEMBC(0x1e7d)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1144 EMIT2('v'); EMITMBC(0x1e7d)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1145 return OK;
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1146
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1147 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	1148 CASEMBC(0x1e85) CASEMBC(0x1e87) CASEMBC(0x1e98)
5351 923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1149 EMIT2('w'); EMITMBC(0x175) EMITMBC(0x1e81) EMITMBC(0x1e83)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1150 EMITMBC(0x1e85) EMITMBC(0x1e87) EMITMBC(0x1e98)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1151 return OK;
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1152
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1153 case 'x': CASEMBC(0x1e8b) CASEMBC(0x1e8d)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1154 EMIT2('x'); EMITMBC(0x1e8b) EMITMBC(0x1e8d)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1155 return OK;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1156
8841 f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	1157 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	1158 CASEMBC(0x1e8f) CASEMBC(0x1e99) CASEMBC(0x1ef3)
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	1159 CASEMBC(0x1ef7) CASEMBC(0x1ef9)
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	1160 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	1161 EMITMBC(0x177)
5351 923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1162 EMITMBC(0x1e8f) EMITMBC(0x1e99) EMITMBC(0x1ef3)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1163 EMITMBC(0x1ef7) EMITMBC(0x1ef9)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1164 return OK;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1165
5351 923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1166 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	1167 CASEMBC(0x1b6) CASEMBC(0x1e91) CASEMBC(0x1e95)
5351 923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1168 EMIT2('z'); EMITMBC(0x17a) EMITMBC(0x17c) EMITMBC(0x17e)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1169 EMITMBC(0x1b6) EMITMBC(0x1e91) EMITMBC(0x1e95)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1170 return OK;
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1171
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1172 // default: character itself
4444 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
5351 923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1176 EMIT2(c);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1177 return OK;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1178 #undef EMIT2
5351 923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1179 #undef EMITMBC
4444 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 /*
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1183 * Code to parse regular expression.
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1184 *
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1185 * 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	1186 * minimize surprise and keep the syntax consistent.
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1187 */
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 /*
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1190 * Parse the lowest level.
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1191 *
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1192 * 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	1193 * 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	1194 * 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	1195 * is only for syntax highlighting.
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 * atom ::= ordinary-atom
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1198 * or $ pattern $
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1199 * or \%( pattern \)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1200 * or \z( pattern \)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1201 */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1202 static int
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	1203 nfa_regatom(void)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1204 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1205 int c;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1206 int charclass;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1207 int equiclass;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1208 int collclass;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1209 int got_coll_char;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1210 char_u *p;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1211 char_u *endp;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1212 char_u *old_regparse = regparse;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1213 int extra = 0;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1214 int emit_range;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1215 int negated;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1216 int result;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1217 int startc = -1;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1218 int endc = -1;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1219 int oldstartc = -1;
8021 b6b4f354df23 commit https://github.com/vim/vim/commit/7c29f387819b5817b003d2ba73e2b5cf3cb3d0dd Christian Brabandt <cb@256bit.org> parents: 7833 diff changeset	1220 int save_prev_at_start = prev_at_start;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1221
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1222 c = getchr();
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1223 switch (c)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1224 {
4543 08ac46980953 updated for version 7.3.1019 Bram Moolenaar <bram@vim.org> parents: 4541 diff changeset	1225 case NUL:
5511 dd7d1a86b311 updated for version 7.4.104 Bram Moolenaar <bram@vim.org> parents: 5502 diff changeset	1226 EMSG_RET_FAIL(_(e_nul_found));
4543 08ac46980953 updated for version 7.3.1019 Bram Moolenaar <bram@vim.org> parents: 4541 diff changeset	1227
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1228 case Magic('^'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1229 EMIT(NFA_BOL);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1230 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1231
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1232 case Magic('$'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1233 EMIT(NFA_EOL);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1234 #if defined(FEAT_SYN_HL) \|\| defined(PROTO)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1235 had_eol = TRUE;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1236 #endif
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 EMIT(NFA_BOW);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1241 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1242
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1243 case Magic('>'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1244 EMIT(NFA_EOW);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1245 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1246
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1247 case Magic('_'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1248 c = no_Magic(getchr());
5511 dd7d1a86b311 updated for version 7.4.104 Bram Moolenaar <bram@vim.org> parents: 5502 diff changeset	1249 if (c == NUL)
dd7d1a86b311 updated for version 7.4.104 Bram Moolenaar <bram@vim.org> parents: 5502 diff changeset	1250 EMSG_RET_FAIL(_(e_nul_found));
dd7d1a86b311 updated for version 7.4.104 Bram Moolenaar <bram@vim.org> parents: 5502 diff changeset	1251
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1252 if (c == '^') // "\_^" is start-of-line
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1253 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1254 EMIT(NFA_BOL);
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 }
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1257 if (c == '$') // "\_$" is end-of-line
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1258 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1259 EMIT(NFA_EOL);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1260 #if defined(FEAT_SYN_HL) \|\| defined(PROTO)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1261 had_eol = TRUE;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1262 #endif
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1263 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1264 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1265
5296 3e9107b86b68 updated for version 7.4.001 Bram Moolenaar <bram@vim.org> parents: 5255 diff changeset	1266 extra = NFA_ADD_NL;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1267
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1268 // "\_[" is collection plus newline
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1269 if (c == '[')
4517 9a2183bd8295 updated for version 7.3.1006 Bram Moolenaar <bram@vim.org> parents: 4515 diff changeset	1270 goto collection;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1271
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1272 // "\_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	1273 // FALLTHROUGH
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1274
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1275 /*
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1276 * Character classes.
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1277 */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1278 case Magic('.'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1279 case Magic('i'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1280 case Magic('I'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1281 case Magic('k'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1282 case Magic('K'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1283 case Magic('f'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1284 case Magic('F'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1285 case Magic('p'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1286 case Magic('P'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1287 case Magic('s'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1288 case Magic('S'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1289 case Magic('d'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1290 case Magic('D'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1291 case Magic('x'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1292 case Magic('X'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1293 case Magic('o'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1294 case Magic('O'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1295 case Magic('w'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1296 case Magic('W'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1297 case Magic('h'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1298 case Magic('H'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1299 case Magic('a'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1300 case Magic('A'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1301 case Magic('l'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1302 case Magic('L'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1303 case Magic('u'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1304 case Magic('U'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1305 p = vim_strchr(classchars, no_Magic(c));
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1306 if (p == NULL)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1307 {
5511 dd7d1a86b311 updated for version 7.4.104 Bram Moolenaar <bram@vim.org> parents: 5502 diff changeset	1308 if (extra == NFA_ADD_NL)
dd7d1a86b311 updated for version 7.4.104 Bram Moolenaar <bram@vim.org> parents: 5502 diff changeset	1309 {
15470 55ccc2d353bd patch 8.1.0743: giving error messages is not flexible Bram Moolenaar <Bram@vim.org> parents: 15265 diff changeset	1310 semsg(_(e_ill_char_class), c);
5511 dd7d1a86b311 updated for version 7.4.104 Bram Moolenaar <bram@vim.org> parents: 5502 diff changeset	1311 rc_did_emsg = TRUE;
dd7d1a86b311 updated for version 7.4.104 Bram Moolenaar <bram@vim.org> parents: 5502 diff changeset	1312 return FAIL;
dd7d1a86b311 updated for version 7.4.104 Bram Moolenaar <bram@vim.org> parents: 5502 diff changeset	1313 }
15490 98c35d312987 patch 8.1.0753: printf format not checked for semsg() Bram Moolenaar <Bram@vim.org> parents: 15470 diff changeset	1314 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	1315 return FAIL;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1316 }
15603 639b8318472c patch 8.1.0809: too many #ifdefs Bram Moolenaar <Bram@vim.org> parents: 15490 diff changeset	1317
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1318 // 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	1319 // the composing char is matched here.
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1320 if (enc_utf8 && c == Magic('.') && utf_iscomposing(peekchr()))
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1321 {
4535 45f97c349537 updated for version 7.3.1015 Bram Moolenaar <bram@vim.org> parents: 4533 diff changeset	1322 old_regparse = regparse;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1323 c = getchr();
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1324 goto nfa_do_multibyte;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1325 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1326 EMIT(nfa_classcodes[p - classchars]);
5296 3e9107b86b68 updated for version 7.4.001 Bram Moolenaar <bram@vim.org> parents: 5255 diff changeset	1327 if (extra == NFA_ADD_NL)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1328 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1329 EMIT(NFA_NEWL);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1330 EMIT(NFA_OR);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1331 regflags \|= RF_HASNL;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1332 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1333 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1334
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1335 case Magic('n'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1336 if (reg_string)
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1337 // 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	1338 EMIT(NL);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1339 else
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1340 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1341 // 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	1342 EMIT(NFA_NEWL);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1343 regflags \|= RF_HASNL;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1344 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1345 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1346
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1347 case Magic('('):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1348 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	1349 return FAIL; // cascaded error
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1350 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1351
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(')'):
15470 55ccc2d353bd patch 8.1.0743: giving error messages is not flexible Bram Moolenaar <Bram@vim.org> parents: 15265 diff changeset	1355 semsg(_(e_misplaced), no_Magic(c));
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1356 return FAIL;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1357
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1358 case Magic('='):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1359 case Magic('?'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1360 case Magic('+'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1361 case Magic('@'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1362 case Magic('*'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1363 case Magic('{'):
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1364 // 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	1365 semsg(_(e_misplaced), no_Magic(c));
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1366 return FAIL;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1367
4714 fc4d7f02ea3a updated for version 7.3.1104 Bram Moolenaar <bram@vim.org> parents: 4712 diff changeset	1368 case Magic('~'):
fc4d7f02ea3a updated for version 7.3.1104 Bram Moolenaar <bram@vim.org> parents: 4712 diff changeset	1369 {
fc4d7f02ea3a updated for version 7.3.1104 Bram Moolenaar <bram@vim.org> parents: 4712 diff changeset	1370 char_u *lp;
fc4d7f02ea3a updated for version 7.3.1104 Bram Moolenaar <bram@vim.org> parents: 4712 diff changeset	1371
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1372 // Previous substitute pattern.
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1373 // Generated as "\%(pattern\)".
4714 fc4d7f02ea3a updated for version 7.3.1104 Bram Moolenaar <bram@vim.org> parents: 4712 diff changeset	1374 if (reg_prev_sub == NULL)
fc4d7f02ea3a updated for version 7.3.1104 Bram Moolenaar <bram@vim.org> parents: 4712 diff changeset	1375 {
15470 55ccc2d353bd patch 8.1.0743: giving error messages is not flexible Bram Moolenaar <Bram@vim.org> parents: 15265 diff changeset	1376 emsg(_(e_nopresub));
4714 fc4d7f02ea3a updated for version 7.3.1104 Bram Moolenaar <bram@vim.org> parents: 4712 diff changeset	1377 return FAIL;
fc4d7f02ea3a updated for version 7.3.1104 Bram Moolenaar <bram@vim.org> parents: 4712 diff changeset	1378 }
11127 506f5d8b7d8b patch 8.0.0451: some macros are in lower case Christian Brabandt <cb@256bit.org> parents: 10551 diff changeset	1379 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	1380 {
fc4d7f02ea3a updated for version 7.3.1104 Bram Moolenaar <bram@vim.org> parents: 4712 diff changeset	1381 EMIT(PTR2CHAR(lp));
fc4d7f02ea3a updated for version 7.3.1104 Bram Moolenaar <bram@vim.org> parents: 4712 diff changeset	1382 if (lp != reg_prev_sub)
fc4d7f02ea3a updated for version 7.3.1104 Bram Moolenaar <bram@vim.org> parents: 4712 diff changeset	1383 EMIT(NFA_CONCAT);
fc4d7f02ea3a updated for version 7.3.1104 Bram Moolenaar <bram@vim.org> parents: 4712 diff changeset	1384 }
fc4d7f02ea3a updated for version 7.3.1104 Bram Moolenaar <bram@vim.org> parents: 4712 diff changeset	1385 EMIT(NFA_NOPEN);
fc4d7f02ea3a updated for version 7.3.1104 Bram Moolenaar <bram@vim.org> parents: 4712 diff changeset	1386 break;
fc4d7f02ea3a updated for version 7.3.1104 Bram Moolenaar <bram@vim.org> parents: 4712 diff changeset	1387 }
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1388
4647 857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	1389 case Magic('1'):
857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	1390 case Magic('2'):
857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	1391 case Magic('3'):
857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	1392 case Magic('4'):
857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	1393 case Magic('5'):
857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	1394 case Magic('6'):
857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	1395 case Magic('7'):
857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	1396 case Magic('8'):
857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	1397 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	1398 {
14b6b79d685b patch 8.0.0645: no error for illegal back reference in NFA engine Christian Brabandt <cb@256bit.org> parents: 11521 diff changeset	1399 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	1400
14b6b79d685b patch 8.0.0645: no error for illegal back reference in NFA engine Christian Brabandt <cb@256bit.org> parents: 11521 diff changeset	1401 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	1402 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	1403 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	1404 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	1405 }
4647 857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	1406 break;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1407
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1408 case Magic('z'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1409 c = no_Magic(getchr());
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1410 switch (c)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1411 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1412 case 's':
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1413 EMIT(NFA_ZSTART);
6170 3ee39fe2df7d updated for version 7.4.421 Bram Moolenaar <bram@vim.org> parents: 5901 diff changeset	1414 if (re_mult_next("\\zs") == FAIL)
3ee39fe2df7d updated for version 7.4.421 Bram Moolenaar <bram@vim.org> parents: 5901 diff changeset	1415 return FAIL;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1416 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1417 case 'e':
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1418 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	1419 rex.nfa_has_zend = TRUE;
6170 3ee39fe2df7d updated for version 7.4.421 Bram Moolenaar <bram@vim.org> parents: 5901 diff changeset	1420 if (re_mult_next("\\ze") == FAIL)
3ee39fe2df7d updated for version 7.4.421 Bram Moolenaar <bram@vim.org> parents: 5901 diff changeset	1421 return FAIL;
4569 f262fb02889d updated for version 7.3.1032 Bram Moolenaar <bram@vim.org> parents: 4567 diff changeset	1422 break;
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	1423 #ifdef FEAT_SYN_HL
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1424 case '1':
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1425 case '2':
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1426 case '3':
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1427 case '4':
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1428 case '5':
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1429 case '6':
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1430 case '7':
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1431 case '8':
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1432 case '9':
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1433 // \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	1434 if ((reg_do_extmatch & REX_USE) == 0)
4688 371cc0c44097 updated for version 7.3.1091 Bram Moolenaar <bram@vim.org> parents: 4686 diff changeset	1435 EMSG_RET_FAIL(_(e_z1_not_allowed));
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	1436 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	1437 // 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	1438 // change when \z1 .. \z9 matches or not.
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	1439 re_has_z = REX_USE;
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	1440 break;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1441 case '(':
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1442 // \z(
14161 7cac4646c552 patch 8.1.0098: segfault when pattern with z() is very slow Christian Brabandt <cb@256bit.org> parents: 14159 diff changeset	1443 if ((reg_do_extmatch & REX_SET) == 0)
4688 371cc0c44097 updated for version 7.3.1091 Bram Moolenaar <bram@vim.org> parents: 4686 diff changeset	1444 EMSG_RET_FAIL(_(e_z_not_allowed));
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	1445 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	1446 return FAIL; // cascaded error
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	1447 re_has_z = REX_SET;
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	1448 break;
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	1449 #endif
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1450 default:
15470 55ccc2d353bd patch 8.1.0743: giving error messages is not flexible Bram Moolenaar <Bram@vim.org> parents: 15265 diff changeset	1451 semsg(_("E867: (NFA) Unknown operator '\\z%c'"),
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1452 no_Magic(c));
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1453 return FAIL;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1454 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1455 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1456
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1457 case Magic('%'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1458 c = no_Magic(getchr());
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1459 switch (c)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1460 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1461 // () without a back reference
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1462 case '(':
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1463 if (nfa_reg(REG_NPAREN) == FAIL)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1464 return FAIL;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1465 EMIT(NFA_NOPEN);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1466 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1467
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1468 case 'd': // %d123 decimal
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1469 case 'o': // %o123 octal
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1470 case 'x': // %xab hex 2
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1471 case 'u': // %uabcd hex 4
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1472 case 'U': // %U1234abcd hex 8
4543 08ac46980953 updated for version 7.3.1019 Bram Moolenaar <bram@vim.org> parents: 4541 diff changeset	1473 {
12752 09c856605191 patch 8.0.1254: undefined left shift in gethexchrs() Christian Brabandt <cb@256bit.org> parents: 12674 diff changeset	1474 long nr;
4543 08ac46980953 updated for version 7.3.1019 Bram Moolenaar <bram@vim.org> parents: 4541 diff changeset	1475
08ac46980953 updated for version 7.3.1019 Bram Moolenaar <bram@vim.org> parents: 4541 diff changeset	1476 switch (c)
08ac46980953 updated for version 7.3.1019 Bram Moolenaar <bram@vim.org> parents: 4541 diff changeset	1477 {
4549 849180347ac3 updated for version 7.3.1022 Bram Moolenaar <bram@vim.org> parents: 4547 diff changeset	1478 case 'd': nr = getdecchrs(); break;
849180347ac3 updated for version 7.3.1022 Bram Moolenaar <bram@vim.org> parents: 4547 diff changeset	1479 case 'o': nr = getoctchrs(); break;
849180347ac3 updated for version 7.3.1022 Bram Moolenaar <bram@vim.org> parents: 4547 diff changeset	1480 case 'x': nr = gethexchrs(2); break;
849180347ac3 updated for version 7.3.1022 Bram Moolenaar <bram@vim.org> parents: 4547 diff changeset	1481 case 'u': nr = gethexchrs(4); break;
849180347ac3 updated for version 7.3.1022 Bram Moolenaar <bram@vim.org> parents: 4547 diff changeset	1482 case 'U': nr = gethexchrs(8); break;
849180347ac3 updated for version 7.3.1022 Bram Moolenaar <bram@vim.org> parents: 4547 diff changeset	1483 default: nr = -1; break;
4543 08ac46980953 updated for version 7.3.1019 Bram Moolenaar <bram@vim.org> parents: 4541 diff changeset	1484 }
08ac46980953 updated for version 7.3.1019 Bram Moolenaar <bram@vim.org> parents: 4541 diff changeset	1485
15924 98d315176d48 patch 8.1.0968: crash when using search pattern %Ufffffc23 Bram Moolenaar <Bram@vim.org> parents: 15904 diff changeset	1486 if (nr < 0 \|\| nr > INT_MAX)
4543 08ac46980953 updated for version 7.3.1019 Bram Moolenaar <bram@vim.org> parents: 4541 diff changeset	1487 EMSG2_RET_FAIL(
08ac46980953 updated for version 7.3.1019 Bram Moolenaar <bram@vim.org> parents: 4541 diff changeset	1488 _("E678: Invalid character after %s%%[dxouU]"),
08ac46980953 updated for version 7.3.1019 Bram Moolenaar <bram@vim.org> parents: 4541 diff changeset	1489 reg_magic == MAGIC_ALL);
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1490 // 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	1491 // TODO: what if a composing character follows?
5360 71e92a1cb37d updated for version 7.4.032 Bram Moolenaar <bram@vim.org> parents: 5351 diff changeset	1492 EMIT(nr == 0 ? 0x0a : nr);
4543 08ac46980953 updated for version 7.3.1019 Bram Moolenaar <bram@vim.org> parents: 4541 diff changeset	1493 }
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1494 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1495
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1496 // 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	1497 // 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	1498 case '^':
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1499 EMIT(NFA_BOF);
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 '$':
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1503 EMIT(NFA_EOF);
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
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1506 case '#':
4583 321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	1507 EMIT(NFA_CURSOR);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1508 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1509
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1510 case 'V':
4730 749e2b2755d5 updated for version 7.3.1112 Bram Moolenaar <bram@vim.org> parents: 4728 diff changeset	1511 EMIT(NFA_VISUAL);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1512 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1513
5901 10fc95f48546 updated for version 7.4.293 Bram Moolenaar <bram@vim.org> parents: 5895 diff changeset	1514 case 'C':
10fc95f48546 updated for version 7.4.293 Bram Moolenaar <bram@vim.org> parents: 5895 diff changeset	1515 EMIT(NFA_ANY_COMPOSING);
10fc95f48546 updated for version 7.4.293 Bram Moolenaar <bram@vim.org> parents: 5895 diff changeset	1516 break;
10fc95f48546 updated for version 7.4.293 Bram Moolenaar <bram@vim.org> parents: 5895 diff changeset	1517
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1518 case '[':
4740 97560c16ca99 updated for version 7.3.1117 Bram Moolenaar <bram@vim.org> parents: 4738 diff changeset	1519 {
97560c16ca99 updated for version 7.3.1117 Bram Moolenaar <bram@vim.org> parents: 4738 diff changeset	1520 int n;
97560c16ca99 updated for version 7.3.1117 Bram Moolenaar <bram@vim.org> parents: 4738 diff changeset	1521
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1522 // \%[abc]
4944 613651492c19 updated for version 7.3.1217 Bram Moolenaar <bram@vim.org> parents: 4938 diff changeset	1523 for (n = 0; (c = peekchr()) != ']'; ++n)
4740 97560c16ca99 updated for version 7.3.1117 Bram Moolenaar <bram@vim.org> parents: 4738 diff changeset	1524 {
97560c16ca99 updated for version 7.3.1117 Bram Moolenaar <bram@vim.org> parents: 4738 diff changeset	1525 if (c == NUL)
97560c16ca99 updated for version 7.3.1117 Bram Moolenaar <bram@vim.org> parents: 4738 diff changeset	1526 EMSG2_RET_FAIL(_(e_missing_sb),
97560c16ca99 updated for version 7.3.1117 Bram Moolenaar <bram@vim.org> parents: 4738 diff changeset	1527 reg_magic == MAGIC_ALL);
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1528 // recursive call!
4944 613651492c19 updated for version 7.3.1217 Bram Moolenaar <bram@vim.org> parents: 4938 diff changeset	1529 if (nfa_regatom() == FAIL)
613651492c19 updated for version 7.3.1217 Bram Moolenaar <bram@vim.org> parents: 4938 diff changeset	1530 return FAIL;
4740 97560c16ca99 updated for version 7.3.1117 Bram Moolenaar <bram@vim.org> parents: 4738 diff changeset	1531 }
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1532 getchr(); // get the ]
4760 532a9855bd30 updated for version 7.3.1127 Bram Moolenaar <bram@vim.org> parents: 4758 diff changeset	1533 if (n == 0)
532a9855bd30 updated for version 7.3.1127 Bram Moolenaar <bram@vim.org> parents: 4758 diff changeset	1534 EMSG2_RET_FAIL(_(e_empty_sb),
532a9855bd30 updated for version 7.3.1127 Bram Moolenaar <bram@vim.org> parents: 4758 diff changeset	1535 reg_magic == MAGIC_ALL);
4740 97560c16ca99 updated for version 7.3.1117 Bram Moolenaar <bram@vim.org> parents: 4738 diff changeset	1536 EMIT(NFA_OPT_CHARS);
97560c16ca99 updated for version 7.3.1117 Bram Moolenaar <bram@vim.org> parents: 4738 diff changeset	1537 EMIT(n);
5255 3c6e2b89875f updated for version 7.4b.004 Bram Moolenaar <bram@vim.org> parents: 5253 diff changeset	1538
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1539 // 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	1540 // "\%[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	1541 // 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	1542 // 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	1543 // 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	1544 // 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	1545 // a lot.
5255 3c6e2b89875f updated for version 7.4b.004 Bram Moolenaar <bram@vim.org> parents: 5253 diff changeset	1546 EMIT(NFA_NOPEN);
4740 97560c16ca99 updated for version 7.3.1117 Bram Moolenaar <bram@vim.org> parents: 4738 diff changeset	1547 break;
97560c16ca99 updated for version 7.3.1117 Bram Moolenaar <bram@vim.org> parents: 4738 diff changeset	1548 }
4571 b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	1549
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1550 default:
4583 321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	1551 {
20677 ab0dc036f586 patch 8.2.0892: ubsan warns for undefined behavior Bram Moolenaar <Bram@vim.org> parents: 20007 diff changeset	1552 long_u n = 0;
4583 321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	1553 int cmp = c;
321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	1554
321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	1555 if (c == '<' \|\| c == '>')
321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	1556 c = getchr();
321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	1557 while (VIM_ISDIGIT(c))
321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	1558 {
20677 ab0dc036f586 patch 8.2.0892: ubsan warns for undefined behavior Bram Moolenaar <Bram@vim.org> parents: 20007 diff changeset	1559 long_u tmp = n * 10 + (c - '0');
ab0dc036f586 patch 8.2.0892: ubsan warns for undefined behavior Bram Moolenaar <Bram@vim.org> parents: 20007 diff changeset	1560
ab0dc036f586 patch 8.2.0892: ubsan warns for undefined behavior Bram Moolenaar <Bram@vim.org> parents: 20007 diff changeset	1561 if (tmp < n)
ab0dc036f586 patch 8.2.0892: ubsan warns for undefined behavior Bram Moolenaar <Bram@vim.org> parents: 20007 diff changeset	1562 {
ab0dc036f586 patch 8.2.0892: ubsan warns for undefined behavior Bram Moolenaar <Bram@vim.org> parents: 20007 diff changeset	1563 // overflow.
ab0dc036f586 patch 8.2.0892: ubsan warns for undefined behavior Bram Moolenaar <Bram@vim.org> parents: 20007 diff changeset	1564 emsg(_(e_value_too_large));
ab0dc036f586 patch 8.2.0892: ubsan warns for undefined behavior Bram Moolenaar <Bram@vim.org> parents: 20007 diff changeset	1565 return FAIL;
ab0dc036f586 patch 8.2.0892: ubsan warns for undefined behavior Bram Moolenaar <Bram@vim.org> parents: 20007 diff changeset	1566 }
ab0dc036f586 patch 8.2.0892: ubsan warns for undefined behavior Bram Moolenaar <Bram@vim.org> parents: 20007 diff changeset	1567 n = tmp;
4583 321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	1568 c = getchr();
321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	1569 }
321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	1570 if (c == 'l' \|\| c == 'c' \|\| c == 'v')
321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	1571 {
20677 ab0dc036f586 patch 8.2.0892: ubsan warns for undefined behavior Bram Moolenaar <Bram@vim.org> parents: 20007 diff changeset	1572 long_u limit = INT_MAX;
15802 f043c8931585 patch 8.1.0908: can't handle large value for %{nr}v in regexp Bram Moolenaar <Bram@vim.org> parents: 15800 diff changeset	1573
4583 321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	1574 if (c == 'l')
8021 b6b4f354df23 commit https://github.com/vim/vim/commit/7c29f387819b5817b003d2ba73e2b5cf3cb3d0dd Christian Brabandt <cb@256bit.org> parents: 7833 diff changeset	1575 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1576 // \%{n}l \%{n}<l \%{n}>l
4583 321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	1577 EMIT(cmp == '<' ? NFA_LNUM_LT :
4732 0798b096bab3 updated for version 7.3.1113 Bram Moolenaar <bram@vim.org> parents: 4730 diff changeset	1578 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	1579 if (save_prev_at_start)
b6b4f354df23 commit https://github.com/vim/vim/commit/7c29f387819b5817b003d2ba73e2b5cf3cb3d0dd Christian Brabandt <cb@256bit.org> parents: 7833 diff changeset	1580 at_start = TRUE;
b6b4f354df23 commit https://github.com/vim/vim/commit/7c29f387819b5817b003d2ba73e2b5cf3cb3d0dd Christian Brabandt <cb@256bit.org> parents: 7833 diff changeset	1581 }
4583 321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	1582 else if (c == 'c')
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1583 // \%{n}c \%{n}<c \%{n}>c
4583 321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	1584 EMIT(cmp == '<' ? NFA_COL_LT :
4732 0798b096bab3 updated for version 7.3.1113 Bram Moolenaar <bram@vim.org> parents: 4730 diff changeset	1585 cmp == '>' ? NFA_COL_GT : NFA_COL);
4583 321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	1586 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	1587 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1588 // \%{n}v \%{n}<v \%{n}>v
4583 321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	1589 EMIT(cmp == '<' ? NFA_VCOL_LT :
4732 0798b096bab3 updated for version 7.3.1113 Bram Moolenaar <bram@vim.org> parents: 4730 diff changeset	1590 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	1591 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	1592 }
f043c8931585 patch 8.1.0908: can't handle large value for %{nr}v in regexp Bram Moolenaar <Bram@vim.org> parents: 15800 diff changeset	1593 if (n >= limit)
13192 9bd4151e5aeb patch 8.0.1470: integer overflow when using regexp pattern Christian Brabandt <cb@256bit.org> parents: 13043 diff changeset	1594 {
20677 ab0dc036f586 patch 8.2.0892: ubsan warns for undefined behavior Bram Moolenaar <Bram@vim.org> parents: 20007 diff changeset	1595 emsg(_(e_value_too_large));
13192 9bd4151e5aeb patch 8.0.1470: integer overflow when using regexp pattern Christian Brabandt <cb@256bit.org> parents: 13043 diff changeset	1596 return FAIL;
9bd4151e5aeb patch 8.0.1470: integer overflow when using regexp pattern Christian Brabandt <cb@256bit.org> parents: 13043 diff changeset	1597 }
9bd4151e5aeb patch 8.0.1470: integer overflow when using regexp pattern Christian Brabandt <cb@256bit.org> parents: 13043 diff changeset	1598 EMIT((int)n);
4583 321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	1599 break;
321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	1600 }
4732 0798b096bab3 updated for version 7.3.1113 Bram Moolenaar <bram@vim.org> parents: 4730 diff changeset	1601 else if (c == '\'' && n == 0)
0798b096bab3 updated for version 7.3.1113 Bram Moolenaar <bram@vim.org> parents: 4730 diff changeset	1602 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1603 // \%'m \%<'m \%>'m
4732 0798b096bab3 updated for version 7.3.1113 Bram Moolenaar <bram@vim.org> parents: 4730 diff changeset	1604 EMIT(cmp == '<' ? NFA_MARK_LT :
0798b096bab3 updated for version 7.3.1113 Bram Moolenaar <bram@vim.org> parents: 4730 diff changeset	1605 cmp == '>' ? NFA_MARK_GT : NFA_MARK);
4740 97560c16ca99 updated for version 7.3.1117 Bram Moolenaar <bram@vim.org> parents: 4738 diff changeset	1606 EMIT(getchr());
4732 0798b096bab3 updated for version 7.3.1113 Bram Moolenaar <bram@vim.org> parents: 4730 diff changeset	1607 break;
0798b096bab3 updated for version 7.3.1113 Bram Moolenaar <bram@vim.org> parents: 4730 diff changeset	1608 }
4583 321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	1609 }
15470 55ccc2d353bd patch 8.1.0743: giving error messages is not flexible Bram Moolenaar <Bram@vim.org> parents: 15265 diff changeset	1610 semsg(_("E867: (NFA) Unknown operator '\\%%%c'"),
4571 b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	1611 no_Magic(c));
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1612 return FAIL;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1613 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1614 break;
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 case Magic('['):
4517 9a2183bd8295 updated for version 7.3.1006 Bram Moolenaar <bram@vim.org> parents: 4515 diff changeset	1617 collection:
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1618 /*
4781 c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	1619 * [abc] uses NFA_START_COLL - NFA_END_COLL
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	1620 * [^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	1621 * 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	1622 * NFA_CONCAT to bind them together.
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	1623 * Besides normal characters there can be:
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	1624 * - character classes NFA_CLASS_*
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	1625 * - ranges, two characters followed by NFA_RANGE.
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1626 */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1627
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1628 p = regparse;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1629 endp = skip_anyof(p);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1630 if (*endp == ']')
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1631 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1632 /*
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1633 * 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	1634 * 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	1635 * and perform the necessary substitutions in the NFA.
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 result = nfa_recognize_char_class(regparse, endp,
5296 3e9107b86b68 updated for version 7.4.001 Bram Moolenaar <bram@vim.org> parents: 5255 diff changeset	1638 extra == NFA_ADD_NL);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1639 if (result != FAIL)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1640 {
5296 3e9107b86b68 updated for version 7.4.001 Bram Moolenaar <bram@vim.org> parents: 5255 diff changeset	1641 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	1642 {
5296 3e9107b86b68 updated for version 7.4.001 Bram Moolenaar <bram@vim.org> parents: 5255 diff changeset	1643 EMIT(result - NFA_ADD_NL);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1644 EMIT(NFA_NEWL);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1645 EMIT(NFA_OR);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1646 }
5296 3e9107b86b68 updated for version 7.4.001 Bram Moolenaar <bram@vim.org> parents: 5255 diff changeset	1647 else
3e9107b86b68 updated for version 7.4.001 Bram Moolenaar <bram@vim.org> parents: 5255 diff changeset	1648 EMIT(result);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1649 regparse = endp;
11127 506f5d8b7d8b patch 8.0.0451: some macros are in lower case Christian Brabandt <cb@256bit.org> parents: 10551 diff changeset	1650 MB_PTR_ADV(regparse);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1651 return OK;
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 /*
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1654 * Failed to recognize a character class. Use the simple
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1655 * 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	1656 */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1657 startc = endc = oldstartc = -1;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1658 negated = FALSE;
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1659 if (*regparse == '^') // negated range
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1660 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1661 negated = TRUE;
11127 506f5d8b7d8b patch 8.0.0451: some macros are in lower case Christian Brabandt <cb@256bit.org> parents: 10551 diff changeset	1662 MB_PTR_ADV(regparse);
4781 c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	1663 EMIT(NFA_START_NEG_COLL);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1664 }
4781 c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	1665 else
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	1666 EMIT(NFA_START_COLL);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1667 if (*regparse == '-')
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1668 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1669 startc = '-';
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1670 EMIT(startc);
4781 c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	1671 EMIT(NFA_CONCAT);
11127 506f5d8b7d8b patch 8.0.0451: some macros are in lower case Christian Brabandt <cb@256bit.org> parents: 10551 diff changeset	1672 MB_PTR_ADV(regparse);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1673 }
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1674 // 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	1675 emit_range = FALSE;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1676 while (regparse < endp)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1677 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1678 oldstartc = startc;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1679 startc = -1;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1680 got_coll_char = FALSE;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1681 if (*regparse == '[')
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1682 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1683 // Check for [: :], [= =], [. .]
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1684 equiclass = collclass = 0;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1685 charclass = get_char_class(&regparse);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1686 if (charclass == CLASS_NONE)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1687 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1688 equiclass = get_equi_class(&regparse);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1689 if (equiclass == 0)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1690 collclass = get_coll_element(&regparse);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1691 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1692
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1693 // Character class like [:alpha:]
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1694 if (charclass != CLASS_NONE)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1695 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1696 switch (charclass)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1697 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1698 case CLASS_ALNUM:
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1699 EMIT(NFA_CLASS_ALNUM);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1700 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1701 case CLASS_ALPHA:
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1702 EMIT(NFA_CLASS_ALPHA);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1703 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1704 case CLASS_BLANK:
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1705 EMIT(NFA_CLASS_BLANK);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1706 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1707 case CLASS_CNTRL:
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1708 EMIT(NFA_CLASS_CNTRL);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1709 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1710 case CLASS_DIGIT:
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1711 EMIT(NFA_CLASS_DIGIT);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1712 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1713 case CLASS_GRAPH:
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1714 EMIT(NFA_CLASS_GRAPH);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1715 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1716 case CLASS_LOWER:
23471 a7cdfc8e4b6e patch 8.2.2278: falling back to old regexp engine can some patterns Bram Moolenaar <Bram@vim.org> parents: 23270 diff changeset	1717 wants_nfa = TRUE;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1718 EMIT(NFA_CLASS_LOWER);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1719 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1720 case CLASS_PRINT:
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1721 EMIT(NFA_CLASS_PRINT);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1722 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1723 case CLASS_PUNCT:
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1724 EMIT(NFA_CLASS_PUNCT);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1725 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1726 case CLASS_SPACE:
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1727 EMIT(NFA_CLASS_SPACE);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1728 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1729 case CLASS_UPPER:
23471 a7cdfc8e4b6e patch 8.2.2278: falling back to old regexp engine can some patterns Bram Moolenaar <Bram@vim.org> parents: 23270 diff changeset	1730 wants_nfa = TRUE;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1731 EMIT(NFA_CLASS_UPPER);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1732 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1733 case CLASS_XDIGIT:
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1734 EMIT(NFA_CLASS_XDIGIT);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1735 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1736 case CLASS_TAB:
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1737 EMIT(NFA_CLASS_TAB);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1738 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1739 case CLASS_RETURN:
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1740 EMIT(NFA_CLASS_RETURN);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1741 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1742 case CLASS_BACKSPACE:
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1743 EMIT(NFA_CLASS_BACKSPACE);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1744 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1745 case CLASS_ESCAPE:
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1746 EMIT(NFA_CLASS_ESCAPE);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1747 break;
15709 2e2f07561f4b patch 8.1.0862: no verbose version of character classes Bram Moolenaar <Bram@vim.org> parents: 15603 diff changeset	1748 case CLASS_IDENT:
2e2f07561f4b patch 8.1.0862: no verbose version of character classes Bram Moolenaar <Bram@vim.org> parents: 15603 diff changeset	1749 EMIT(NFA_CLASS_IDENT);
2e2f07561f4b patch 8.1.0862: no verbose version of character classes Bram Moolenaar <Bram@vim.org> parents: 15603 diff changeset	1750 break;
2e2f07561f4b patch 8.1.0862: no verbose version of character classes Bram Moolenaar <Bram@vim.org> parents: 15603 diff changeset	1751 case CLASS_KEYWORD:
2e2f07561f4b patch 8.1.0862: no verbose version of character classes Bram Moolenaar <Bram@vim.org> parents: 15603 diff changeset	1752 EMIT(NFA_CLASS_KEYWORD);
2e2f07561f4b patch 8.1.0862: no verbose version of character classes Bram Moolenaar <Bram@vim.org> parents: 15603 diff changeset	1753 break;
2e2f07561f4b patch 8.1.0862: no verbose version of character classes Bram Moolenaar <Bram@vim.org> parents: 15603 diff changeset	1754 case CLASS_FNAME:
2e2f07561f4b patch 8.1.0862: no verbose version of character classes Bram Moolenaar <Bram@vim.org> parents: 15603 diff changeset	1755 EMIT(NFA_CLASS_FNAME);
2e2f07561f4b patch 8.1.0862: no verbose version of character classes Bram Moolenaar <Bram@vim.org> parents: 15603 diff changeset	1756 break;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1757 }
4781 c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	1758 EMIT(NFA_CONCAT);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1759 continue;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1760 }
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1761 // Try equivalence class [=a=] and the like
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1762 if (equiclass != 0)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1763 {
4781 c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	1764 result = nfa_emit_equi_class(equiclass);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1765 if (result == FAIL)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1766 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1767 // should never happen
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1768 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	1769 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1770 continue;
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 // Try collating class like [. .]
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1773 if (collclass != 0)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1774 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1775 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	1776 // 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	1777 // while loop.
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1778 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1779 }
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1780 // 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	1781 // start character.
4677 c1622ff9ed8d updated for version 7.3.1086 Bram Moolenaar <bram@vim.org> parents: 4675 diff changeset	1782 if (*regparse == '-' && oldstartc != -1)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1783 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1784 emit_range = TRUE;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1785 startc = oldstartc;
11127 506f5d8b7d8b patch 8.0.0451: some macros are in lower case Christian Brabandt <cb@256bit.org> parents: 10551 diff changeset	1786 MB_PTR_ADV(regparse);
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1787 continue; // reading the end of the range
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1788 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1789
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1790 // 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	1791 // 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	1792 // 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	1793 // 'cpoptions' is not included.
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1794 // Posix doesn't recognize backslash at all.
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1795 if (*regparse == '\\'
4744 a62695305e03 updated for version 7.3.1119 Bram Moolenaar <bram@vim.org> parents: 4742 diff changeset	1796 && !reg_cpo_bsl
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1797 && regparse + 1 <= endp
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1798 && (vim_strchr(REGEXP_INRANGE, regparse[1]) != NULL
4744 a62695305e03 updated for version 7.3.1119 Bram Moolenaar <bram@vim.org> parents: 4742 diff changeset	1799 \|\| (!reg_cpo_lit
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1800 && vim_strchr(REGEXP_ABBR, regparse[1])
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1801 != NULL)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1802 )
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1803 )
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1804 {
11127 506f5d8b7d8b patch 8.0.0451: some macros are in lower case Christian Brabandt <cb@256bit.org> parents: 10551 diff changeset	1805 MB_PTR_ADV(regparse);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1806
4507 9dbbddb2ed10 updated for version 7.3.1001 Bram Moolenaar <bram@vim.org> parents: 4503 diff changeset	1807 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	1808 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	1809 \|\| regparse[1] == '-') ? NL : NFA_NEWL;
16162 cd5c83115ec6 patch 8.1.1086: too many curly braces Bram Moolenaar <Bram@vim.org> parents: 15935 diff changeset	1810 else if (*regparse == 'd'
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1811 \|\| *regparse == 'o'
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1812 \|\| *regparse == 'x'
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1813 \|\| *regparse == 'u'
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1814 \|\| *regparse == 'U'
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1815 )
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1816 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1817 // TODO(RE) This needs more testing
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1818 startc = coll_get_char();
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1819 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	1820 MB_PTR_BACK(old_regparse, regparse);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1821 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1822 else
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1823 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1824 // \r,\t,\e,\b
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1825 startc = backslash_trans(*regparse);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1826 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1827 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1828
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1829 // Normal printable char
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1830 if (startc == -1)
4677 c1622ff9ed8d updated for version 7.3.1086 Bram Moolenaar <bram@vim.org> parents: 4675 diff changeset	1831 startc = PTR2CHAR(regparse);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1832
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1833 // 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	1834 if (emit_range)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1835 {
4677 c1622ff9ed8d updated for version 7.3.1086 Bram Moolenaar <bram@vim.org> parents: 4675 diff changeset	1836 endc = startc;
c1622ff9ed8d updated for version 7.3.1086 Bram Moolenaar <bram@vim.org> parents: 4675 diff changeset	1837 startc = oldstartc;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1838 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	1839 EMSG_RET_FAIL(_(e_reverse_range));
4781 c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	1840
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	1841 if (endc > startc + 2)
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	1842 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1843 // 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	1844 // individual characters.
4781 c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	1845 if (startc == 0)
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1846 // \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	1847 EMIT(1);
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	1848 else
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1849 --post_ptr; // remove NFA_CONCAT
4781 c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	1850 EMIT(endc);
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	1851 EMIT(NFA_RANGE);
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	1852 EMIT(NFA_CONCAT);
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	1853 }
15603 639b8318472c patch 8.1.0809: too many #ifdefs Bram Moolenaar <Bram@vim.org> parents: 15490 diff changeset	1854 else if (has_mbyte && ((*mb_char2len)(startc) > 1
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1855 \|\| (*mb_char2len)(endc) > 1))
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1856 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1857 // 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	1858 // "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	1859 //
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 {
4527 55bcaa1d2749 updated for version 7.3.1011 Bram Moolenaar <bram@vim.org> parents: 4525 diff changeset	1862 EMIT(c);
4781 c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	1863 EMIT(NFA_CONCAT);
4444 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 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1866 else
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 #ifdef EBCDIC
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1869 int alpha_only = FALSE;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1870
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1871 // 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	1872 // '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	1873 if (isalpha(startc) && isalpha(endc))
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1874 alpha_only = TRUE;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1875 #endif
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1876 // 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	1877 // skip it.
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1878 for (c = startc + 1; c <= endc; c++)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1879 #ifdef EBCDIC
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1880 if (!alpha_only \|\| isalpha(startc))
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1881 #endif
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1882 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1883 EMIT(c);
4781 c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	1884 EMIT(NFA_CONCAT);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1885 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1886 }
4677 c1622ff9ed8d updated for version 7.3.1086 Bram Moolenaar <bram@vim.org> parents: 4675 diff changeset	1887 emit_range = FALSE;
c1622ff9ed8d updated for version 7.3.1086 Bram Moolenaar <bram@vim.org> parents: 4675 diff changeset	1888 startc = -1;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1889 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1890 else
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1891 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1892 // 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	1893 // emit it.
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1894 // 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	1895 // 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	1896 // 0x0a.
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1897 // 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	1898 // the backtracking engine.
4781 c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	1899 if (startc == NFA_NEWL)
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	1900 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1901 // 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	1902 // 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	1903 // range.
4781 c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	1904 if (!negated)
5296 3e9107b86b68 updated for version 7.4.001 Bram Moolenaar <bram@vim.org> parents: 5255 diff changeset	1905 extra = NFA_ADD_NL;
4781 c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	1906 }
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1907 else
4781 c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	1908 {
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	1909 if (got_coll_char == TRUE && startc == 0)
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	1910 EMIT(0x0a);
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	1911 else
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	1912 EMIT(startc);
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	1913 EMIT(NFA_CONCAT);
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	1914 }
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1915 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1916
11127 506f5d8b7d8b patch 8.0.0451: some macros are in lower case Christian Brabandt <cb@256bit.org> parents: 10551 diff changeset	1917 MB_PTR_ADV(regparse);
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1918 } // while (p < endp)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1919
11127 506f5d8b7d8b patch 8.0.0451: some macros are in lower case Christian Brabandt <cb@256bit.org> parents: 10551 diff changeset	1920 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	1921 if (*regparse == '-') // if last, '-' is just a char
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1922 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1923 EMIT('-');
4781 c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	1924 EMIT(NFA_CONCAT);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1925 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1926
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1927 // skip the trailing ]
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1928 regparse = endp;
11127 506f5d8b7d8b patch 8.0.0451: some macros are in lower case Christian Brabandt <cb@256bit.org> parents: 10551 diff changeset	1929 MB_PTR_ADV(regparse);
4781 c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	1930
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1931 // Mark end of the collection.
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1932 if (negated == TRUE)
4781 c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	1933 EMIT(NFA_END_NEG_COLL);
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	1934 else
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	1935 EMIT(NFA_END_COLL);
4615 5679b8ddd8cc updated for version 7.3.1055 Bram Moolenaar <bram@vim.org> parents: 4583 diff changeset	1936
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1937 // \_[] 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	1938 if (extra == NFA_ADD_NL)
4615 5679b8ddd8cc updated for version 7.3.1055 Bram Moolenaar <bram@vim.org> parents: 4583 diff changeset	1939 {
5679b8ddd8cc updated for version 7.3.1055 Bram Moolenaar <bram@vim.org> parents: 4583 diff changeset	1940 EMIT(reg_string ? NL : NFA_NEWL);
5679b8ddd8cc updated for version 7.3.1055 Bram Moolenaar <bram@vim.org> parents: 4583 diff changeset	1941 EMIT(NFA_OR);
5679b8ddd8cc updated for version 7.3.1055 Bram Moolenaar <bram@vim.org> parents: 4583 diff changeset	1942 }
5679b8ddd8cc updated for version 7.3.1055 Bram Moolenaar <bram@vim.org> parents: 4583 diff changeset	1943
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1944 return OK;
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1945 } // if exists closing ]
4529 432a6b8c7d93 updated for version 7.3.1012 Bram Moolenaar <bram@vim.org> parents: 4527 diff changeset	1946
432a6b8c7d93 updated for version 7.3.1012 Bram Moolenaar <bram@vim.org> parents: 4527 diff changeset	1947 if (reg_strict)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1948 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	1949 // FALLTHROUGH
4529 432a6b8c7d93 updated for version 7.3.1012 Bram Moolenaar <bram@vim.org> parents: 4527 diff changeset	1950
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1951 default:
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1952 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1953 int plen;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1954
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1955 nfa_do_multibyte:
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1956 // 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	1957 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	1958 != (plen = utfc_ptr2len(old_regparse))
4543 08ac46980953 updated for version 7.3.1019 Bram Moolenaar <bram@vim.org> parents: 4541 diff changeset	1959 \|\| utf_iscomposing(c)))
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1960 {
4549 849180347ac3 updated for version 7.3.1022 Bram Moolenaar <bram@vim.org> parents: 4547 diff changeset	1961 int i = 0;
849180347ac3 updated for version 7.3.1022 Bram Moolenaar <bram@vim.org> parents: 4547 diff changeset	1962
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1963 // 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	1964 // or more composing characters.
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	1965 // 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	1966 // 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	1967 // 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	1968 // 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	1969 // 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	1970 // 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	1971 for (;;)
55bcaa1d2749 updated for version 7.3.1011 Bram Moolenaar <bram@vim.org> parents: 4525 diff changeset	1972 {
55bcaa1d2749 updated for version 7.3.1011 Bram Moolenaar <bram@vim.org> parents: 4525 diff changeset	1973 EMIT(c);
55bcaa1d2749 updated for version 7.3.1011 Bram Moolenaar <bram@vim.org> parents: 4525 diff changeset	1974 if (i > 0)
55bcaa1d2749 updated for version 7.3.1011 Bram Moolenaar <bram@vim.org> parents: 4525 diff changeset	1975 EMIT(NFA_CONCAT);
4529 432a6b8c7d93 updated for version 7.3.1012 Bram Moolenaar <bram@vim.org> parents: 4527 diff changeset	1976 if ((i += utf_char2len(c)) >= plen)
4527 55bcaa1d2749 updated for version 7.3.1011 Bram Moolenaar <bram@vim.org> parents: 4525 diff changeset	1977 break;
55bcaa1d2749 updated for version 7.3.1011 Bram Moolenaar <bram@vim.org> parents: 4525 diff changeset	1978 c = utf_ptr2char(old_regparse + i);
55bcaa1d2749 updated for version 7.3.1011 Bram Moolenaar <bram@vim.org> parents: 4525 diff changeset	1979 }
55bcaa1d2749 updated for version 7.3.1011 Bram Moolenaar <bram@vim.org> parents: 4525 diff changeset	1980 EMIT(NFA_COMPOSING);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1981 regparse = old_regparse + plen;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1982 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1983 else
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1984 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1985 c = no_Magic(c);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1986 EMIT(c);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1987 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1988 return OK;
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 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1991
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1992 return OK;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1993 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1994
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1995 /*
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1996 * Parse something followed by possible [*+=].
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1997 *
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1998 * 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	1999 * 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	2000 * characters: "", "a", "aa", etc.
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2001 *
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2002 * piece ::= atom
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2003 * or atom multi
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2004 */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2005 static int
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	2006 nfa_regpiece(void)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2007 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2008 int i;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2009 int op;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2010 int ret;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2011 long minval, maxval;
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	2012 int greedy = TRUE; // Braces are prefixed with '-' ?
4679 4d92b873acef updated for version 7.3.1087 Bram Moolenaar <bram@vim.org> parents: 4677 diff changeset	2013 parse_state_T old_state;
4d92b873acef updated for version 7.3.1087 Bram Moolenaar <bram@vim.org> parents: 4677 diff changeset	2014 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	2015 long c2;
4651 f10f63aaec5c updated for version 7.3.1073 Bram Moolenaar <bram@vim.org> parents: 4649 diff changeset	2016 int old_post_pos;
f10f63aaec5c updated for version 7.3.1073 Bram Moolenaar <bram@vim.org> parents: 4649 diff changeset	2017 int my_post_start;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2018 int quest;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2019
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	2020 // 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	2021 // next.
4679 4d92b873acef updated for version 7.3.1087 Bram Moolenaar <bram@vim.org> parents: 4677 diff changeset	2022 save_parse_state(&old_state);
4d92b873acef updated for version 7.3.1087 Bram Moolenaar <bram@vim.org> parents: 4677 diff changeset	2023
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	2024 // 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	2025 my_post_start = (int)(post_ptr - post_start);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2026
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2027 ret = nfa_regatom();
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2028 if (ret == FAIL)
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	2029 return FAIL; // cascaded error
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2030
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2031 op = peekchr();
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2032 if (re_multi_type(op) == NOT_MULTI)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2033 return OK;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2034
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2035 skipchr();
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2036 switch (op)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2037 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2038 case Magic('*'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2039 EMIT(NFA_STAR);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2040 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2041
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2042 case Magic('+'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2043 /*
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2044 * 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	2045 * 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	2046 * 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	2047 * 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	2048 * string.
5255 3c6e2b89875f updated for version 7.4b.004 Bram Moolenaar <bram@vim.org> parents: 5253 diff changeset	2049 * The submatch will be the empty string.
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2050 *
4673 05d57d7c2d55 updated for version 7.3.1084 Bram Moolenaar <bram@vim.org> parents: 4671 diff changeset	2051 * 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	2052 * <atom>+ with <atom><atom>*
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2053 */
4679 4d92b873acef updated for version 7.3.1087 Bram Moolenaar <bram@vim.org> parents: 4677 diff changeset	2054 restore_parse_state(&old_state);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2055 curchr = -1;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2056 if (nfa_regatom() == FAIL)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2057 return FAIL;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2058 EMIT(NFA_STAR);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2059 EMIT(NFA_CONCAT);
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	2060 skipchr(); // skip the \+
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2061 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2062
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2063 case Magic('@'):
4682 2f51ee8825db updated for version 7.3.1088 Bram Moolenaar <bram@vim.org> parents: 4679 diff changeset	2064 c2 = getdecchrs();
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2065 op = no_Magic(getchr());
4682 2f51ee8825db updated for version 7.3.1088 Bram Moolenaar <bram@vim.org> parents: 4679 diff changeset	2066 i = 0;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2067 switch(op)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2068 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2069 case '=':
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	2070 // \@=
4682 2f51ee8825db updated for version 7.3.1088 Bram Moolenaar <bram@vim.org> parents: 4679 diff changeset	2071 i = NFA_PREV_ATOM_NO_WIDTH;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2072 break;
4661 0dce3d812e7a updated for version 7.3.1078 Bram Moolenaar <bram@vim.org> parents: 4657 diff changeset	2073 case '!':
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	2074 // \@!
4682 2f51ee8825db updated for version 7.3.1088 Bram Moolenaar <bram@vim.org> parents: 4679 diff changeset	2075 i = NFA_PREV_ATOM_NO_WIDTH_NEG;
4661 0dce3d812e7a updated for version 7.3.1078 Bram Moolenaar <bram@vim.org> parents: 4657 diff changeset	2076 break;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2077 case '<':
4682 2f51ee8825db updated for version 7.3.1088 Bram Moolenaar <bram@vim.org> parents: 4679 diff changeset	2078 op = no_Magic(getchr());
2f51ee8825db updated for version 7.3.1088 Bram Moolenaar <bram@vim.org> parents: 4679 diff changeset	2079 if (op == '=')
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	2080 // \@<=
4682 2f51ee8825db updated for version 7.3.1088 Bram Moolenaar <bram@vim.org> parents: 4679 diff changeset	2081 i = NFA_PREV_ATOM_JUST_BEFORE;
2f51ee8825db updated for version 7.3.1088 Bram Moolenaar <bram@vim.org> parents: 4679 diff changeset	2082 else if (op == '!')
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	2083 // \@<!
4682 2f51ee8825db updated for version 7.3.1088 Bram Moolenaar <bram@vim.org> parents: 4679 diff changeset	2084 i = NFA_PREV_ATOM_JUST_BEFORE_NEG;
2f51ee8825db updated for version 7.3.1088 Bram Moolenaar <bram@vim.org> parents: 4679 diff changeset	2085 break;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2086 case '>':
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	2087 // \@>
4750 7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	2088 i = NFA_PREV_ATOM_LIKE_PATTERN;
7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	2089 break;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2090 }
4682 2f51ee8825db updated for version 7.3.1088 Bram Moolenaar <bram@vim.org> parents: 4679 diff changeset	2091 if (i == 0)
2f51ee8825db updated for version 7.3.1088 Bram Moolenaar <bram@vim.org> parents: 4679 diff changeset	2092 {
15470 55ccc2d353bd patch 8.1.0743: giving error messages is not flexible Bram Moolenaar <Bram@vim.org> parents: 15265 diff changeset	2093 semsg(_("E869: (NFA) Unknown operator '\\@%c'"), op);
4682 2f51ee8825db updated for version 7.3.1088 Bram Moolenaar <bram@vim.org> parents: 4679 diff changeset	2094 return FAIL;
2f51ee8825db updated for version 7.3.1088 Bram Moolenaar <bram@vim.org> parents: 4679 diff changeset	2095 }
2f51ee8825db updated for version 7.3.1088 Bram Moolenaar <bram@vim.org> parents: 4679 diff changeset	2096 EMIT(i);
2f51ee8825db updated for version 7.3.1088 Bram Moolenaar <bram@vim.org> parents: 4679 diff changeset	2097 if (i == NFA_PREV_ATOM_JUST_BEFORE
2f51ee8825db updated for version 7.3.1088 Bram Moolenaar <bram@vim.org> parents: 4679 diff changeset	2098 \|\| i == NFA_PREV_ATOM_JUST_BEFORE_NEG)
2f51ee8825db updated for version 7.3.1088 Bram Moolenaar <bram@vim.org> parents: 4679 diff changeset	2099 EMIT(c2);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2100 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2101
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2102 case Magic('?'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2103 case Magic('='):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2104 EMIT(NFA_QUEST);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2105 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2106
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2107 case Magic('{'):
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	2108 // 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	2109 // 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	2110 // version of '?'
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	2111 // \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	2112 // parenthesis have the same id
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2113
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2114 greedy = TRUE;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2115 c2 = peekchr();
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2116 if (c2 == '-' \|\| c2 == Magic('-'))
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 skipchr();
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2119 greedy = FALSE;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2120 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2121 if (!read_limits(&minval, &maxval))
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2122 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	2123
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	2124 // <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	2125 // <atom>*
4675 811a4c9b51d8 updated for version 7.3.1085 Bram Moolenaar <bram@vim.org> parents: 4673 diff changeset	2126 if (minval == 0 && maxval == MAX_LIMIT)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2127 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	2128 if (greedy) // { { (match the braces)
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	2129 // \{}, \{0,}
4675 811a4c9b51d8 updated for version 7.3.1085 Bram Moolenaar <bram@vim.org> parents: 4673 diff changeset	2130 EMIT(NFA_STAR);
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	2131 else // { { (match the braces)
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	2132 // \{-}, \{-0,}
4675 811a4c9b51d8 updated for version 7.3.1085 Bram Moolenaar <bram@vim.org> parents: 4673 diff changeset	2133 EMIT(NFA_STAR_NONGREEDY);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2134 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2135 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2136
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	2137 // Special case: x{0} or x{-0}
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2138 if (maxval == 0)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2139 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	2140 // 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	2141 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	2142 // 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	2143 EMIT(NFA_EMPTY);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2144 return OK;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2145 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2146
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	2147 // 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	2148 // maximum is much larger than the minimum and when the maximum is
23471 a7cdfc8e4b6e patch 8.2.2278: falling back to old regexp engine can some patterns Bram Moolenaar <Bram@vim.org> parents: 23270 diff changeset	2149 // large. However, when maxval is MAX_LIMIT, it is okay, as this
a7cdfc8e4b6e patch 8.2.2278: falling back to old regexp engine can some patterns Bram Moolenaar <Bram@vim.org> parents: 23270 diff changeset	2150 // will emit NFA_STAR.
a7cdfc8e4b6e patch 8.2.2278: falling back to old regexp engine can some patterns Bram Moolenaar <Bram@vim.org> parents: 23270 diff changeset	2151 // Bail out if we can use the other engine, but only, when the
a7cdfc8e4b6e patch 8.2.2278: falling back to old regexp engine can some patterns Bram Moolenaar <Bram@vim.org> parents: 23270 diff changeset	2152 // pattern does not need the NFA engine like (e.g. [[:upper:]]\{2,\}
a7cdfc8e4b6e patch 8.2.2278: falling back to old regexp engine can some patterns Bram Moolenaar <Bram@vim.org> parents: 23270 diff changeset	2153 // does not work with with characters > 8 bit with the BT engine)
6594 3cca9b0cc1a0 updated for version 7.4.623 Bram Moolenaar <bram@vim.org> parents: 6592 diff changeset	2154 if ((nfa_re_flags & RE_AUTO)
23471 a7cdfc8e4b6e patch 8.2.2278: falling back to old regexp engine can some patterns Bram Moolenaar <Bram@vim.org> parents: 23270 diff changeset	2155 && (maxval > 500 \|\| maxval > minval + 200)
a7cdfc8e4b6e patch 8.2.2278: falling back to old regexp engine can some patterns Bram Moolenaar <Bram@vim.org> parents: 23270 diff changeset	2156 && (maxval != MAX_LIMIT && minval < 200)
a7cdfc8e4b6e patch 8.2.2278: falling back to old regexp engine can some patterns Bram Moolenaar <Bram@vim.org> parents: 23270 diff changeset	2157 && !wants_nfa)
6533 bdc8e71633e4 updated for version 7.4.593 Bram Moolenaar <bram@vim.org> parents: 6510 diff changeset	2158 return FAIL;
bdc8e71633e4 updated for version 7.4.593 Bram Moolenaar <bram@vim.org> parents: 6510 diff changeset	2159
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	2160 // Ignore previous call to nfa_regatom()
4651 f10f63aaec5c updated for version 7.3.1073 Bram Moolenaar <bram@vim.org> parents: 4649 diff changeset	2161 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	2162 // 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	2163 save_parse_state(&new_state);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2164
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2165 quest = (greedy == TRUE? NFA_QUEST : NFA_QUEST_NONGREEDY);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2166 for (i = 0; i < maxval; i++)
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 // Goto beginning of the repeated atom
4679 4d92b873acef updated for version 7.3.1087 Bram Moolenaar <bram@vim.org> parents: 4677 diff changeset	2169 restore_parse_state(&old_state);
4651 f10f63aaec5c updated for version 7.3.1073 Bram Moolenaar <bram@vim.org> parents: 4649 diff changeset	2170 old_post_pos = (int)(post_ptr - post_start);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2171 if (nfa_regatom() == FAIL)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2172 return FAIL;
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	2173 // after "minval" times, atoms are optional
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2174 if (i + 1 > minval)
4673 05d57d7c2d55 updated for version 7.3.1084 Bram Moolenaar <bram@vim.org> parents: 4671 diff changeset	2175 {
05d57d7c2d55 updated for version 7.3.1084 Bram Moolenaar <bram@vim.org> parents: 4671 diff changeset	2176 if (maxval == MAX_LIMIT)
4675 811a4c9b51d8 updated for version 7.3.1085 Bram Moolenaar <bram@vim.org> parents: 4673 diff changeset	2177 {
811a4c9b51d8 updated for version 7.3.1085 Bram Moolenaar <bram@vim.org> parents: 4673 diff changeset	2178 if (greedy)
811a4c9b51d8 updated for version 7.3.1085 Bram Moolenaar <bram@vim.org> parents: 4673 diff changeset	2179 EMIT(NFA_STAR);
811a4c9b51d8 updated for version 7.3.1085 Bram Moolenaar <bram@vim.org> parents: 4673 diff changeset	2180 else
811a4c9b51d8 updated for version 7.3.1085 Bram Moolenaar <bram@vim.org> parents: 4673 diff changeset	2181 EMIT(NFA_STAR_NONGREEDY);
811a4c9b51d8 updated for version 7.3.1085 Bram Moolenaar <bram@vim.org> parents: 4673 diff changeset	2182 }
4673 05d57d7c2d55 updated for version 7.3.1084 Bram Moolenaar <bram@vim.org> parents: 4671 diff changeset	2183 else
05d57d7c2d55 updated for version 7.3.1084 Bram Moolenaar <bram@vim.org> parents: 4671 diff changeset	2184 EMIT(quest);
05d57d7c2d55 updated for version 7.3.1084 Bram Moolenaar <bram@vim.org> parents: 4671 diff changeset	2185 }
4651 f10f63aaec5c updated for version 7.3.1073 Bram Moolenaar <bram@vim.org> parents: 4649 diff changeset	2186 if (old_post_pos != my_post_start)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2187 EMIT(NFA_CONCAT);
4673 05d57d7c2d55 updated for version 7.3.1084 Bram Moolenaar <bram@vim.org> parents: 4671 diff changeset	2188 if (i + 1 > minval && maxval == MAX_LIMIT)
05d57d7c2d55 updated for version 7.3.1084 Bram Moolenaar <bram@vim.org> parents: 4671 diff changeset	2189 break;
4444 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
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	2192 // 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	2193 restore_parse_state(&new_state);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2194 curchr = -1;
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 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2197
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 default:
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2200 break;
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	2201 } // end switch
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2202
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2203 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	2204 // 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	2205 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	2206
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2207 return OK;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2208 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2209
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2210 /*
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2211 * 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	2212 * 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	2213 * "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	2214 *
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2215 * concat ::= piece
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2216 * or piece piece
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2217 * or piece piece piece
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2218 * etc.
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2219 */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2220 static int
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	2221 nfa_regconcat(void)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2222 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2223 int cont = TRUE;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2224 int first = TRUE;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2225
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2226 while (cont)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2227 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2228 switch (peekchr())
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2229 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2230 case NUL:
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2231 case Magic('\|'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2232 case Magic('&'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2233 case Magic(')'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2234 cont = FALSE;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2235 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2236
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2237 case Magic('Z'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2238 regflags \|= RF_ICOMBINE;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2239 skipchr_keepstart();
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2240 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2241 case Magic('c'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2242 regflags \|= RF_ICASE;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2243 skipchr_keepstart();
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 case Magic('C'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2246 regflags \|= RF_NOICASE;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2247 skipchr_keepstart();
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2248 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2249 case Magic('v'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2250 reg_magic = MAGIC_ALL;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2251 skipchr_keepstart();
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2252 curchr = -1;
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 case Magic('m'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2255 reg_magic = MAGIC_ON;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2256 skipchr_keepstart();
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2257 curchr = -1;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2258 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2259 case Magic('M'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2260 reg_magic = MAGIC_OFF;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2261 skipchr_keepstart();
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2262 curchr = -1;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2263 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2264 case Magic('V'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2265 reg_magic = MAGIC_NONE;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2266 skipchr_keepstart();
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2267 curchr = -1;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2268 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2269
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2270 default:
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2271 if (nfa_regpiece() == FAIL)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2272 return FAIL;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2273 if (first == FALSE)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2274 EMIT(NFA_CONCAT);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2275 else
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2276 first = FALSE;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2277 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2278 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2279 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2280
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2281 return OK;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2282 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2283
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2284 /*
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2285 * 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	2286 * 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	2287 * position. Examples:
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2288 * "foobeep\&..." matches "foo" in "foobeep".
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2289 * ".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	2290 *
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2291 * branch ::= concat
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2292 * or concat \& concat
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2293 * or concat \& concat \& concat
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2294 * etc.
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2295 */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2296 static int
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	2297 nfa_regbranch(void)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2298 {
4651 f10f63aaec5c updated for version 7.3.1073 Bram Moolenaar <bram@vim.org> parents: 4649 diff changeset	2299 int old_post_pos;
f10f63aaec5c updated for version 7.3.1073 Bram Moolenaar <bram@vim.org> parents: 4649 diff changeset	2300
f10f63aaec5c updated for version 7.3.1073 Bram Moolenaar <bram@vim.org> parents: 4649 diff changeset	2301 old_post_pos = (int)(post_ptr - post_start);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2302
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	2303 // First branch, possibly the only one
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2304 if (nfa_regconcat() == FAIL)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2305 return FAIL;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2306
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	2307 // 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	2308 while (peekchr() == Magic('&'))
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2309 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2310 skipchr();
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	2311 // 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	2312 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	2313 EMIT(NFA_EMPTY);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2314 EMIT(NFA_NOPEN);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2315 EMIT(NFA_PREV_ATOM_NO_WIDTH);
4651 f10f63aaec5c updated for version 7.3.1073 Bram Moolenaar <bram@vim.org> parents: 4649 diff changeset	2316 old_post_pos = (int)(post_ptr - post_start);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2317 if (nfa_regconcat() == FAIL)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2318 return FAIL;
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	2319 // 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	2320 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	2321 EMIT(NFA_EMPTY);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2322 EMIT(NFA_CONCAT);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2323 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2324
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	2325 // 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	2326 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	2327 EMIT(NFA_EMPTY);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2328
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2329 return OK;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2330 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2331
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2332 /*
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2333 * 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	2334 * 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	2335 * "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	2336 * is used.
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2337 *
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2338 * pattern ::= branch
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2339 * or branch \\| branch
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2340 * or branch \\| branch \\| branch
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2341 * etc.
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2342 */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2343 static int
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	2344 nfa_reg(
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	2345 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	2346 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2347 int parno = 0;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2348
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2349 if (paren == REG_PAREN)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2350 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	2351 if (regnpar >= NSUBEXP) // Too many `('
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2352 EMSG_RET_FAIL(_("E872: (NFA regexp) Too many '('"));
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2353 parno = regnpar++;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2354 }
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2355 #ifdef FEAT_SYN_HL
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2356 else if (paren == REG_ZPAREN)
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2357 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	2358 // Make a ZOPEN node.
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2359 if (regnzpar >= NSUBEXP)
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2360 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	2361 parno = regnzpar++;
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2362 }
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2363 #endif
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2364
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2365 if (nfa_regbranch() == FAIL)
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	2366 return FAIL; // cascaded error
4444 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 while (peekchr() == Magic('\|'))
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2369 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2370 skipchr();
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2371 if (nfa_regbranch() == FAIL)
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	2372 return FAIL; // cascaded error
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2373 EMIT(NFA_OR);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2374 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2375
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	2376 // Check for proper termination.
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2377 if (paren != REG_NOPAREN && getchr() != Magic(')'))
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2378 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2379 if (paren == REG_NPAREN)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2380 EMSG2_RET_FAIL(_(e_unmatchedpp), reg_magic == MAGIC_ALL);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2381 else
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2382 EMSG2_RET_FAIL(_(e_unmatchedp), reg_magic == MAGIC_ALL);
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 else if (paren == REG_NOPAREN && peekchr() != NUL)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2385 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2386 if (peekchr() == Magic(')'))
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2387 EMSG2_RET_FAIL(_(e_unmatchedpar), reg_magic == MAGIC_ALL);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2388 else
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2389 EMSG_RET_FAIL(_("E873: (NFA regexp) proper termination error"));
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2390 }
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 * 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	2393 * parentheses.
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2394 */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2395 if (paren == REG_PAREN)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2396 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	2397 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	2398 EMIT(NFA_MOPEN + parno);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2399 }
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2400 #ifdef FEAT_SYN_HL
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2401 else if (paren == REG_ZPAREN)
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2402 EMIT(NFA_ZOPEN + parno);
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2403 #endif
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2404
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2405 return OK;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2406 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2407
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2408 #ifdef DEBUG
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2409 static char_u code[50];
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2410
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2411 static void
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	2412 nfa_set_code(int c)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2413 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2414 int addnl = FALSE;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2415
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2416 if (c >= NFA_FIRST_NL && c <= NFA_LAST_NL)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2417 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2418 addnl = TRUE;
5296 3e9107b86b68 updated for version 7.4.001 Bram Moolenaar <bram@vim.org> parents: 5255 diff changeset	2419 c -= NFA_ADD_NL;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2420 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2421
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2422 STRCPY(code, "");
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2423 switch (c)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2424 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2425 case NFA_MATCH: STRCPY(code, "NFA_MATCH "); break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2426 case NFA_SPLIT: STRCPY(code, "NFA_SPLIT "); break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2427 case NFA_CONCAT: STRCPY(code, "NFA_CONCAT "); break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2428 case NFA_NEWL: STRCPY(code, "NFA_NEWL "); break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2429 case NFA_ZSTART: STRCPY(code, "NFA_ZSTART"); break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2430 case NFA_ZEND: STRCPY(code, "NFA_ZEND"); break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2431
4571 b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	2432 case NFA_BACKREF1: STRCPY(code, "NFA_BACKREF1"); break;
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	2433 case NFA_BACKREF2: STRCPY(code, "NFA_BACKREF2"); break;
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	2434 case NFA_BACKREF3: STRCPY(code, "NFA_BACKREF3"); break;
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	2435 case NFA_BACKREF4: STRCPY(code, "NFA_BACKREF4"); break;
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	2436 case NFA_BACKREF5: STRCPY(code, "NFA_BACKREF5"); break;
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	2437 case NFA_BACKREF6: STRCPY(code, "NFA_BACKREF6"); break;
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	2438 case NFA_BACKREF7: STRCPY(code, "NFA_BACKREF7"); break;
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	2439 case NFA_BACKREF8: STRCPY(code, "NFA_BACKREF8"); break;
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	2440 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	2441 #ifdef FEAT_SYN_HL
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2442 case NFA_ZREF1: STRCPY(code, "NFA_ZREF1"); break;
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2443 case NFA_ZREF2: STRCPY(code, "NFA_ZREF2"); break;
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2444 case NFA_ZREF3: STRCPY(code, "NFA_ZREF3"); break;
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2445 case NFA_ZREF4: STRCPY(code, "NFA_ZREF4"); break;
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2446 case NFA_ZREF5: STRCPY(code, "NFA_ZREF5"); break;
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2447 case NFA_ZREF6: STRCPY(code, "NFA_ZREF6"); break;
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2448 case NFA_ZREF7: STRCPY(code, "NFA_ZREF7"); break;
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2449 case NFA_ZREF8: STRCPY(code, "NFA_ZREF8"); break;
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2450 case NFA_ZREF9: STRCPY(code, "NFA_ZREF9"); break;
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2451 #endif
4571 b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	2452 case NFA_SKIP: STRCPY(code, "NFA_SKIP"); break;
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	2453
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2454 case NFA_PREV_ATOM_NO_WIDTH:
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2455 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	2456 case NFA_PREV_ATOM_NO_WIDTH_NEG:
321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	2457 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	2458 case NFA_PREV_ATOM_JUST_BEFORE:
2f51ee8825db updated for version 7.3.1088 Bram Moolenaar <bram@vim.org> parents: 4679 diff changeset	2459 STRCPY(code, "NFA_PREV_ATOM_JUST_BEFORE"); break;
2f51ee8825db updated for version 7.3.1088 Bram Moolenaar <bram@vim.org> parents: 4679 diff changeset	2460 case NFA_PREV_ATOM_JUST_BEFORE_NEG:
2f51ee8825db updated for version 7.3.1088 Bram Moolenaar <bram@vim.org> parents: 4679 diff changeset	2461 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	2462 case NFA_PREV_ATOM_LIKE_PATTERN:
7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	2463 STRCPY(code, "NFA_PREV_ATOM_LIKE_PATTERN"); break;
7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	2464
4657 93b7ed814bec updated for version 7.3.1076 Bram Moolenaar <bram@vim.org> parents: 4655 diff changeset	2465 case NFA_NOPEN: STRCPY(code, "NFA_NOPEN"); break;
93b7ed814bec updated for version 7.3.1076 Bram Moolenaar <bram@vim.org> parents: 4655 diff changeset	2466 case NFA_NCLOSE: STRCPY(code, "NFA_NCLOSE"); break;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2467 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	2468 case NFA_START_INVISIBLE_FIRST:
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	2469 STRCPY(code, "NFA_START_INVISIBLE_FIRST"); break;
4785 3b5a023a4543 updated for version 7.3.1139 Bram Moolenaar <bram@vim.org> parents: 4783 diff changeset	2470 case NFA_START_INVISIBLE_NEG:
3b5a023a4543 updated for version 7.3.1139 Bram Moolenaar <bram@vim.org> parents: 4783 diff changeset	2471 STRCPY(code, "NFA_START_INVISIBLE_NEG"); break;
4845 a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	2472 case NFA_START_INVISIBLE_NEG_FIRST:
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	2473 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	2474 case NFA_START_INVISIBLE_BEFORE:
2f51ee8825db updated for version 7.3.1088 Bram Moolenaar <bram@vim.org> parents: 4679 diff changeset	2475 STRCPY(code, "NFA_START_INVISIBLE_BEFORE"); break;
4845 a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	2476 case NFA_START_INVISIBLE_BEFORE_FIRST:
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	2477 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	2478 case NFA_START_INVISIBLE_BEFORE_NEG:
3b5a023a4543 updated for version 7.3.1139 Bram Moolenaar <bram@vim.org> parents: 4783 diff changeset	2479 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	2480 case NFA_START_INVISIBLE_BEFORE_NEG_FIRST:
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	2481 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	2482 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	2483 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	2484 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	2485 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	2486
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2487 case NFA_COMPOSING: STRCPY(code, "NFA_COMPOSING"); break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2488 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	2489 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	2490
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2491 case NFA_MOPEN:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2492 case NFA_MOPEN1:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2493 case NFA_MOPEN2:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2494 case NFA_MOPEN3:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2495 case NFA_MOPEN4:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2496 case NFA_MOPEN5:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2497 case NFA_MOPEN6:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2498 case NFA_MOPEN7:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2499 case NFA_MOPEN8:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2500 case NFA_MOPEN9:
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2501 STRCPY(code, "NFA_MOPEN(x)");
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2502 code[10] = c - NFA_MOPEN + '0';
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2503 break;
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2504 case NFA_MCLOSE:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2505 case NFA_MCLOSE1:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2506 case NFA_MCLOSE2:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2507 case NFA_MCLOSE3:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2508 case NFA_MCLOSE4:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2509 case NFA_MCLOSE5:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2510 case NFA_MCLOSE6:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2511 case NFA_MCLOSE7:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2512 case NFA_MCLOSE8:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2513 case NFA_MCLOSE9:
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2514 STRCPY(code, "NFA_MCLOSE(x)");
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2515 code[11] = c - NFA_MCLOSE + '0';
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2516 break;
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2517 #ifdef FEAT_SYN_HL
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2518 case NFA_ZOPEN:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2519 case NFA_ZOPEN1:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2520 case NFA_ZOPEN2:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2521 case NFA_ZOPEN3:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2522 case NFA_ZOPEN4:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2523 case NFA_ZOPEN5:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2524 case NFA_ZOPEN6:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2525 case NFA_ZOPEN7:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2526 case NFA_ZOPEN8:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2527 case NFA_ZOPEN9:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2528 STRCPY(code, "NFA_ZOPEN(x)");
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2529 code[10] = c - NFA_ZOPEN + '0';
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2530 break;
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2531 case NFA_ZCLOSE:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2532 case NFA_ZCLOSE1:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2533 case NFA_ZCLOSE2:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2534 case NFA_ZCLOSE3:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2535 case NFA_ZCLOSE4:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2536 case NFA_ZCLOSE5:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2537 case NFA_ZCLOSE6:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2538 case NFA_ZCLOSE7:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2539 case NFA_ZCLOSE8:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2540 case NFA_ZCLOSE9:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2541 STRCPY(code, "NFA_ZCLOSE(x)");
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2542 code[11] = c - NFA_ZCLOSE + '0';
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2543 break;
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2544 #endif
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2545 case NFA_EOL: STRCPY(code, "NFA_EOL "); break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2546 case NFA_BOL: STRCPY(code, "NFA_BOL "); break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2547 case NFA_EOW: STRCPY(code, "NFA_EOW "); break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2548 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	2549 case NFA_EOF: STRCPY(code, "NFA_EOF "); break;
b3c59716e700 updated for version 7.3.1083 Bram Moolenaar <bram@vim.org> parents: 4669 diff changeset	2550 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	2551 case NFA_LNUM: STRCPY(code, "NFA_LNUM "); break;
0798b096bab3 updated for version 7.3.1113 Bram Moolenaar <bram@vim.org> parents: 4730 diff changeset	2552 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	2553 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	2554 case NFA_COL: STRCPY(code, "NFA_COL "); break;
0798b096bab3 updated for version 7.3.1113 Bram Moolenaar <bram@vim.org> parents: 4730 diff changeset	2555 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	2556 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	2557 case NFA_VCOL: STRCPY(code, "NFA_VCOL "); break;
0798b096bab3 updated for version 7.3.1113 Bram Moolenaar <bram@vim.org> parents: 4730 diff changeset	2558 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	2559 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	2560 case NFA_MARK: STRCPY(code, "NFA_MARK "); break;
0798b096bab3 updated for version 7.3.1113 Bram Moolenaar <bram@vim.org> parents: 4730 diff changeset	2561 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	2562 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	2563 case NFA_CURSOR: STRCPY(code, "NFA_CURSOR "); break;
0798b096bab3 updated for version 7.3.1113 Bram Moolenaar <bram@vim.org> parents: 4730 diff changeset	2564 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	2565 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	2566
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2567 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	2568 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	2569 case NFA_QUEST: STRCPY(code, "NFA_QUEST"); break;
811a4c9b51d8 updated for version 7.3.1085 Bram Moolenaar <bram@vim.org> parents: 4673 diff changeset	2570 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	2571 case NFA_EMPTY: STRCPY(code, "NFA_EMPTY"); break;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2572 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	2573
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	2574 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	2575 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	2576 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	2577 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	2578 case NFA_RANGE: STRCPY(code, "NFA_RANGE"); break;
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	2579 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	2580 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	2581
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2582 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	2583 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	2584 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	2585 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	2586 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	2587 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	2588 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	2589 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	2590 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	2591 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	2592 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	2593 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	2594 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	2595 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	2596 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	2597 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	2598 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	2599 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	2600 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	2601
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2602 case NFA_ANY: STRCPY(code, "NFA_ANY"); break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2603 case NFA_IDENT: STRCPY(code, "NFA_IDENT"); break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2604 case NFA_SIDENT:STRCPY(code, "NFA_SIDENT"); break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2605 case NFA_KWORD: STRCPY(code, "NFA_KWORD"); break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2606 case NFA_SKWORD:STRCPY(code, "NFA_SKWORD"); break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2607 case NFA_FNAME: STRCPY(code, "NFA_FNAME"); break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2608 case NFA_SFNAME:STRCPY(code, "NFA_SFNAME"); break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2609 case NFA_PRINT: STRCPY(code, "NFA_PRINT"); break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2610 case NFA_SPRINT:STRCPY(code, "NFA_SPRINT"); break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2611 case NFA_WHITE: STRCPY(code, "NFA_WHITE"); break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2612 case NFA_NWHITE:STRCPY(code, "NFA_NWHITE"); break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2613 case NFA_DIGIT: STRCPY(code, "NFA_DIGIT"); break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2614 case NFA_NDIGIT:STRCPY(code, "NFA_NDIGIT"); break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2615 case NFA_HEX: STRCPY(code, "NFA_HEX"); break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2616 case NFA_NHEX: STRCPY(code, "NFA_NHEX"); break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2617 case NFA_OCTAL: STRCPY(code, "NFA_OCTAL"); break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2618 case NFA_NOCTAL:STRCPY(code, "NFA_NOCTAL"); break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2619 case NFA_WORD: STRCPY(code, "NFA_WORD"); break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2620 case NFA_NWORD: STRCPY(code, "NFA_NWORD"); break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2621 case NFA_HEAD: STRCPY(code, "NFA_HEAD"); break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2622 case NFA_NHEAD: STRCPY(code, "NFA_NHEAD"); break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2623 case NFA_ALPHA: STRCPY(code, "NFA_ALPHA"); break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2624 case NFA_NALPHA:STRCPY(code, "NFA_NALPHA"); break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2625 case NFA_LOWER: STRCPY(code, "NFA_LOWER"); break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2626 case NFA_NLOWER:STRCPY(code, "NFA_NLOWER"); break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2627 case NFA_UPPER: STRCPY(code, "NFA_UPPER"); break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2628 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	2629 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	2630 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	2631 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	2632 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	2633
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2634 default:
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2635 STRCPY(code, "CHAR(x)");
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2636 code[5] = c;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2637 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2638
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2639 if (addnl == TRUE)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2640 STRCAT(code, " + NEWLINE ");
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2641
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2642 }
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 #ifdef ENABLE_LOG
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2645 static FILE *log_fd;
14145 1cf832945469 patch 8.1.0090: "..." used inconsistently in a message Christian Brabandt <cb@256bit.org> parents: 14121 diff changeset	2646 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	2647
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2648 /*
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2649 * Print the postfix notation of the current regexp.
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2650 */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2651 static void
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	2652 nfa_postfix_dump(char_u *expr, int retval)
4444 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 int *p;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2655 FILE *f;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2656
4531 1be43c095aff updated for version 7.3.1013 Bram Moolenaar <bram@vim.org> parents: 4529 diff changeset	2657 f = fopen(NFA_REGEXP_DUMP_LOG, "a");
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2658 if (f != NULL)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2659 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2660 fprintf(f, "\n-------------------------\n");
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2661 if (retval == FAIL)
14145 1cf832945469 patch 8.1.0090: "..." used inconsistently in a message Christian Brabandt <cb@256bit.org> parents: 14121 diff changeset	2662 fprintf(f, ">>> NFA engine failed... \n");
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2663 else if (retval == OK)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2664 fprintf(f, ">>> NFA engine succeeded !\n");
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2665 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	2666 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	2667 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2668 nfa_set_code(*p);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2669 fprintf(f, "%s, ", code);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2670 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2671 fprintf(f, "\"\nPostfix notation (int): ");
5255 3c6e2b89875f updated for version 7.4b.004 Bram Moolenaar <bram@vim.org> parents: 5253 diff changeset	2672 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	2673 fprintf(f, "%d ", *p);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2674 fprintf(f, "\n\n");
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2675 fclose(f);
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 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2678
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2679 /*
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2680 * Print the NFA starting with a root node "state".
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2681 */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2682 static void
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	2683 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	2684 {
4533 6a2005efa02b updated for version 7.3.1014 Bram Moolenaar <bram@vim.org> parents: 4531 diff changeset	2685 garray_T indent;
6a2005efa02b updated for version 7.3.1014 Bram Moolenaar <bram@vim.org> parents: 4531 diff changeset	2686
6a2005efa02b updated for version 7.3.1014 Bram Moolenaar <bram@vim.org> parents: 4531 diff changeset	2687 ga_init2(&indent, 1, 64);
6a2005efa02b updated for version 7.3.1014 Bram Moolenaar <bram@vim.org> parents: 4531 diff changeset	2688 ga_append(&indent, '\0');
6a2005efa02b updated for version 7.3.1014 Bram Moolenaar <bram@vim.org> parents: 4531 diff changeset	2689 nfa_print_state2(debugf, state, &indent);
6a2005efa02b updated for version 7.3.1014 Bram Moolenaar <bram@vim.org> parents: 4531 diff changeset	2690 ga_clear(&indent);
6a2005efa02b updated for version 7.3.1014 Bram Moolenaar <bram@vim.org> parents: 4531 diff changeset	2691 }
6a2005efa02b updated for version 7.3.1014 Bram Moolenaar <bram@vim.org> parents: 4531 diff changeset	2692
6a2005efa02b updated for version 7.3.1014 Bram Moolenaar <bram@vim.org> parents: 4531 diff changeset	2693 static void
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	2694 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	2695 {
6a2005efa02b updated for version 7.3.1014 Bram Moolenaar <bram@vim.org> parents: 4531 diff changeset	2696 char_u *p;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2697
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2698 if (state == NULL)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2699 return;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2700
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2701 fprintf(debugf, "(%2d)", abs(state->id));
4533 6a2005efa02b updated for version 7.3.1014 Bram Moolenaar <bram@vim.org> parents: 4531 diff changeset	2702
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	2703 // Output indent
4533 6a2005efa02b updated for version 7.3.1014 Bram Moolenaar <bram@vim.org> parents: 4531 diff changeset	2704 p = (char_u *)indent->ga_data;
6a2005efa02b updated for version 7.3.1014 Bram Moolenaar <bram@vim.org> parents: 4531 diff changeset	2705 if (indent->ga_len >= 3)
6a2005efa02b updated for version 7.3.1014 Bram Moolenaar <bram@vim.org> parents: 4531 diff changeset	2706 {
6a2005efa02b updated for version 7.3.1014 Bram Moolenaar <bram@vim.org> parents: 4531 diff changeset	2707 int last = indent->ga_len - 3;
6a2005efa02b updated for version 7.3.1014 Bram Moolenaar <bram@vim.org> parents: 4531 diff changeset	2708 char_u save[2];
6a2005efa02b updated for version 7.3.1014 Bram Moolenaar <bram@vim.org> parents: 4531 diff changeset	2709
6a2005efa02b updated for version 7.3.1014 Bram Moolenaar <bram@vim.org> parents: 4531 diff changeset	2710 STRNCPY(save, &p[last], 2);
6a2005efa02b updated for version 7.3.1014 Bram Moolenaar <bram@vim.org> parents: 4531 diff changeset	2711 STRNCPY(&p[last], "+-", 2);
6a2005efa02b updated for version 7.3.1014 Bram Moolenaar <bram@vim.org> parents: 4531 diff changeset	2712 fprintf(debugf, " %s", p);
6a2005efa02b updated for version 7.3.1014 Bram Moolenaar <bram@vim.org> parents: 4531 diff changeset	2713 STRNCPY(&p[last], save, 2);
6a2005efa02b updated for version 7.3.1014 Bram Moolenaar <bram@vim.org> parents: 4531 diff changeset	2714 }
6a2005efa02b updated for version 7.3.1014 Bram Moolenaar <bram@vim.org> parents: 4531 diff changeset	2715 else
6a2005efa02b updated for version 7.3.1014 Bram Moolenaar <bram@vim.org> parents: 4531 diff changeset	2716 fprintf(debugf, " %s", p);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2717
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2718 nfa_set_code(state->c);
4785 3b5a023a4543 updated for version 7.3.1139 Bram Moolenaar <bram@vim.org> parents: 4783 diff changeset	2719 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	2720 code,
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	2721 state->c,
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	2722 abs(state->id),
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	2723 state->val);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2724 if (state->id < 0)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2725 return;
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 state->id = abs(state->id) * -1;
4533 6a2005efa02b updated for version 7.3.1014 Bram Moolenaar <bram@vim.org> parents: 4531 diff changeset	2728
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	2729 // grow indent for state->out
4533 6a2005efa02b updated for version 7.3.1014 Bram Moolenaar <bram@vim.org> parents: 4531 diff changeset	2730 indent->ga_len -= 1;
6a2005efa02b updated for version 7.3.1014 Bram Moolenaar <bram@vim.org> parents: 4531 diff changeset	2731 if (state->out1)
4537 5cc98a5898cf updated for version 7.3.1016 Bram Moolenaar <bram@vim.org> parents: 4535 diff changeset	2732 ga_concat(indent, (char_u *)"\| ");
4533 6a2005efa02b updated for version 7.3.1014 Bram Moolenaar <bram@vim.org> parents: 4531 diff changeset	2733 else
4537 5cc98a5898cf updated for version 7.3.1016 Bram Moolenaar <bram@vim.org> parents: 4535 diff changeset	2734 ga_concat(indent, (char_u *)" ");
4533 6a2005efa02b updated for version 7.3.1014 Bram Moolenaar <bram@vim.org> parents: 4531 diff changeset	2735 ga_append(indent, '\0');
6a2005efa02b updated for version 7.3.1014 Bram Moolenaar <bram@vim.org> parents: 4531 diff changeset	2736
6a2005efa02b updated for version 7.3.1014 Bram Moolenaar <bram@vim.org> parents: 4531 diff changeset	2737 nfa_print_state2(debugf, state->out, indent);
6a2005efa02b updated for version 7.3.1014 Bram Moolenaar <bram@vim.org> parents: 4531 diff changeset	2738
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	2739 // 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	2740 indent->ga_len -= 3;
4537 5cc98a5898cf updated for version 7.3.1016 Bram Moolenaar <bram@vim.org> parents: 4535 diff changeset	2741 ga_concat(indent, (char_u *)" ");
4533 6a2005efa02b updated for version 7.3.1014 Bram Moolenaar <bram@vim.org> parents: 4531 diff changeset	2742 ga_append(indent, '\0');
6a2005efa02b updated for version 7.3.1014 Bram Moolenaar <bram@vim.org> parents: 4531 diff changeset	2743
6a2005efa02b updated for version 7.3.1014 Bram Moolenaar <bram@vim.org> parents: 4531 diff changeset	2744 nfa_print_state2(debugf, state->out1, indent);
6a2005efa02b updated for version 7.3.1014 Bram Moolenaar <bram@vim.org> parents: 4531 diff changeset	2745
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	2746 // shrink indent
4533 6a2005efa02b updated for version 7.3.1014 Bram Moolenaar <bram@vim.org> parents: 4531 diff changeset	2747 indent->ga_len -= 3;
6a2005efa02b updated for version 7.3.1014 Bram Moolenaar <bram@vim.org> parents: 4531 diff changeset	2748 ga_append(indent, '\0');
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2749 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2750
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2751 /*
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2752 * Print the NFA state machine.
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 static void
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	2755 nfa_dump(nfa_regprog_T *prog)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2756 {
4531 1be43c095aff updated for version 7.3.1013 Bram Moolenaar <bram@vim.org> parents: 4529 diff changeset	2757 FILE *debugf = fopen(NFA_REGEXP_DUMP_LOG, "a");
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2758
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2759 if (debugf != NULL)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2760 {
4533 6a2005efa02b updated for version 7.3.1014 Bram Moolenaar <bram@vim.org> parents: 4531 diff changeset	2761 nfa_print_state(debugf, prog->start);
4772 03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	2762
4805 66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	2763 if (prog->reganch)
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	2764 fprintf(debugf, "reganch: %d\n", prog->reganch);
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	2765 if (prog->regstart != NUL)
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	2766 fprintf(debugf, "regstart: %c (decimal: %d)\n",
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	2767 prog->regstart, prog->regstart);
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	2768 if (prog->match_text != NULL)
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	2769 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	2770
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2771 fclose(debugf);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2772 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2773 }
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	2774 #endif // ENABLE_LOG
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	2775 #endif // DEBUG
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 * 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	2779 * Return the postfix string on success, NULL otherwise.
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2780 */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2781 static int *
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	2782 re2post(void)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2783 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2784 if (nfa_reg(REG_NOPAREN) == FAIL)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2785 return NULL;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2786 EMIT(NFA_MOPEN);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2787 return post_start;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2788 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2789
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	2790 // 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	2791
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2792 /*
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2793 * 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	2794 * if c == MATCH, no arrows out; matching state.
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2795 * 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	2796 * 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	2797 */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2798
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	2799 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	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 * Allocate and initialize nfa_state_T.
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2803 */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2804 static nfa_state_T *
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	2805 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	2806 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2807 nfa_state_T *s;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2808
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2809 if (istate >= nstate)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2810 return NULL;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2811
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2812 s = &state_ptr[istate++];
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2813
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2814 s->c = c;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2815 s->out = out;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2816 s->out1 = out1;
4781 c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	2817 s->val = 0;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2818
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2819 s->id = istate;
4718 ec72bb4a0fc2 updated for version 7.3.1106 Bram Moolenaar <bram@vim.org> parents: 4716 diff changeset	2820 s->lastlist[0] = 0;
ec72bb4a0fc2 updated for version 7.3.1106 Bram Moolenaar <bram@vim.org> parents: 4716 diff changeset	2821 s->lastlist[1] = 0;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2822
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2823 return s;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2824 }
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 /*
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2827 * 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	2828 * Frag_T.start points at the start state.
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2829 * 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	2830 * next state for this fragment.
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2831 */
4555 b2946c06d1b6 updated for version 7.3.1025 Bram Moolenaar <bram@vim.org> parents: 4553 diff changeset	2832
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	2833 // 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	2834 // 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	2835 // as storage for the Ptrlists.
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2836 typedef union Ptrlist Ptrlist;
4555 b2946c06d1b6 updated for version 7.3.1025 Bram Moolenaar <bram@vim.org> parents: 4553 diff changeset	2837 union Ptrlist
b2946c06d1b6 updated for version 7.3.1025 Bram Moolenaar <bram@vim.org> parents: 4553 diff changeset	2838 {
b2946c06d1b6 updated for version 7.3.1025 Bram Moolenaar <bram@vim.org> parents: 4553 diff changeset	2839 Ptrlist *next;
b2946c06d1b6 updated for version 7.3.1025 Bram Moolenaar <bram@vim.org> parents: 4553 diff changeset	2840 nfa_state_T *s;
b2946c06d1b6 updated for version 7.3.1025 Bram Moolenaar <bram@vim.org> parents: 4553 diff changeset	2841 };
b2946c06d1b6 updated for version 7.3.1025 Bram Moolenaar <bram@vim.org> parents: 4553 diff changeset	2842
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2843 struct Frag
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2844 {
4555 b2946c06d1b6 updated for version 7.3.1025 Bram Moolenaar <bram@vim.org> parents: 4553 diff changeset	2845 nfa_state_T *start;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2846 Ptrlist *out;
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 typedef struct Frag Frag_T;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2849
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2850 /*
4456 015a8fabf900 updated for version 7.3.976 Bram Moolenaar <bram@vim.org> parents: 4454 diff changeset	2851 * Initialize a Frag_T struct and return it.
4444 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 static Frag_T
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	2854 frag(nfa_state_T start, Ptrlist out)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2855 {
4456 015a8fabf900 updated for version 7.3.976 Bram Moolenaar <bram@vim.org> parents: 4454 diff changeset	2856 Frag_T n;
015a8fabf900 updated for version 7.3.976 Bram Moolenaar <bram@vim.org> parents: 4454 diff changeset	2857
015a8fabf900 updated for version 7.3.976 Bram Moolenaar <bram@vim.org> parents: 4454 diff changeset	2858 n.start = start;
015a8fabf900 updated for version 7.3.976 Bram Moolenaar <bram@vim.org> parents: 4454 diff changeset	2859 n.out = out;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2860 return n;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2861 }
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 /*
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2864 * Create singleton list containing just outp.
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 static Ptrlist *
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	2867 list1(
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	2868 nfa_state_T **outp)
4444 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 Ptrlist *l;
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 l = (Ptrlist *)outp;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2873 l->next = NULL;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2874 return l;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2875 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2876
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2877 /*
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2878 * 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	2879 */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2880 static void
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	2881 patch(Ptrlist l, nfa_state_T s)
4444 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 Ptrlist *next;
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 for (; l; l = next)
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 next = l->next;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2888 l->s = s;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2889 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2890 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2891
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2892
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2893 /*
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2894 * 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	2895 */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2896 static Ptrlist *
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	2897 append(Ptrlist l1, Ptrlist l2)
4444 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 Ptrlist *oldl1;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2900
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2901 oldl1 = l1;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2902 while (l1->next)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2903 l1 = l1->next;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2904 l1->next = l2;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2905 return oldl1;
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
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2908 /*
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2909 * Stack used for transforming postfix form into NFA.
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2910 */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2911 static Frag_T empty;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2912
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2913 static void
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	2914 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	2915 {
4531 1be43c095aff updated for version 7.3.1013 Bram Moolenaar <bram@vim.org> parents: 4529 diff changeset	2916 #ifdef NFA_REGEXP_ERROR_LOG
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2917 FILE *df;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2918 int *p2;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2919
4531 1be43c095aff updated for version 7.3.1013 Bram Moolenaar <bram@vim.org> parents: 4529 diff changeset	2920 df = fopen(NFA_REGEXP_ERROR_LOG, "a");
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2921 if (df)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2922 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2923 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	2924 # ifdef DEBUG
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2925 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	2926 # endif
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2927 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	2928 # ifdef DEBUG
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2929 for (p2 = postfix; p2 < end; p2++)
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 nfa_set_code(*p2);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2932 fprintf(df, "%s, ", code);
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 nfa_set_code(*p);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2935 fprintf(df, "\nCurrent position is: ");
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2936 for (p2 = postfix; p2 <= p; p2 ++)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2937 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2938 nfa_set_code(*p2);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2939 fprintf(df, "%s, ", code);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2940 }
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	2941 # else
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2942 for (p2 = postfix; p2 < end; p2++)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2943 fprintf(df, "%d, ", *p2);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2944 fprintf(df, "\nCurrent position is: ");
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2945 for (p2 = postfix; p2 <= p; p2 ++)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2946 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	2947 # endif
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2948 fprintf(df, "\n--------------------------\n");
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2949 fclose(df);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2950 }
4531 1be43c095aff updated for version 7.3.1013 Bram Moolenaar <bram@vim.org> parents: 4529 diff changeset	2951 #endif
15470 55ccc2d353bd patch 8.1.0743: giving error messages is not flexible Bram Moolenaar <Bram@vim.org> parents: 15265 diff changeset	2952 emsg(_("E874: (NFA) Could not pop the stack!"));
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2953 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2954
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2955 /*
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2956 * Push an item onto the stack.
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2957 */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2958 static void
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	2959 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	2960 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2961 Frag_T stackp = p;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2962
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2963 if (stackp >= stack_end)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2964 return;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2965 *stackp = s;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2966 p = p + 1;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2967 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2968
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2969 /*
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2970 * Pop an item from the stack.
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2971 */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2972 static Frag_T
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	2973 st_pop(Frag_T *p, Frag_T stack)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2974 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2975 Frag_T *stackp;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2976
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2977 p = p - 1;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2978 stackp = *p;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2979 if (stackp < stack)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2980 return empty;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2981 return **p;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2982 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2983
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2984 /*
4807 3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	2985 * 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	2986 * When unknown or unlimited return -1.
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	2987 */
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	2988 static int
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	2989 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	2990 {
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	2991 int l, r;
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	2992 nfa_state_T *state = startstate;
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	2993 int len = 0;
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	2994
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	2995 // detect looping in a NFA_SPLIT
4807 3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	2996 if (depth > 4)
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	2997 return -1;
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	2998
4958 0a379dea13c9 updated for version 7.3.1224 Bram Moolenaar <bram@vim.org> parents: 4944 diff changeset	2999 while (state != NULL)
4807 3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3000 {
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3001 switch (state->c)
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3002 {
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3003 case NFA_END_INVISIBLE:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3004 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	3005 // the end, return what we have
4807 3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3006 return len;
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 case NFA_SPLIT:
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3009 // two alternatives, use the maximum
4807 3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3010 l = nfa_max_width(state->out, depth + 1);
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3011 r = nfa_max_width(state->out1, depth + 1);
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3012 if (l < 0 \|\| r < 0)
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3013 return -1;
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3014 return len + (l > r ? l : r);
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3015
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3016 case NFA_ANY:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3017 case NFA_START_COLL:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3018 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	3019 // matches some character, including composing chars
4807 3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3020 if (enc_utf8)
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3021 len += MB_MAXBYTES;
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3022 else if (has_mbyte)
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3023 len += 2;
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3024 else
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3025 ++len;
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3026 if (state->c != NFA_ANY)
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3027 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3028 // skip over the characters
4807 3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3029 state = state->out1->out;
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3030 continue;
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3031 }
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3032 break;
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3033
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3034 case NFA_DIGIT:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3035 case NFA_WHITE:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3036 case NFA_HEX:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3037 case NFA_OCTAL:
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3038 // ascii
4807 3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3039 ++len;
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3040 break;
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3041
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3042 case NFA_IDENT:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3043 case NFA_SIDENT:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3044 case NFA_KWORD:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3045 case NFA_SKWORD:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3046 case NFA_FNAME:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3047 case NFA_SFNAME:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3048 case NFA_PRINT:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3049 case NFA_SPRINT:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3050 case NFA_NWHITE:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3051 case NFA_NDIGIT:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3052 case NFA_NHEX:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3053 case NFA_NOCTAL:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3054 case NFA_WORD:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3055 case NFA_NWORD:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3056 case NFA_HEAD:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3057 case NFA_NHEAD:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3058 case NFA_ALPHA:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3059 case NFA_NALPHA:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3060 case NFA_LOWER:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3061 case NFA_NLOWER:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3062 case NFA_UPPER:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3063 case NFA_NUPPER:
5296 3e9107b86b68 updated for version 7.4.001 Bram Moolenaar <bram@vim.org> parents: 5255 diff changeset	3064 case NFA_LOWER_IC:
3e9107b86b68 updated for version 7.4.001 Bram Moolenaar <bram@vim.org> parents: 5255 diff changeset	3065 case NFA_NLOWER_IC:
3e9107b86b68 updated for version 7.4.001 Bram Moolenaar <bram@vim.org> parents: 5255 diff changeset	3066 case NFA_UPPER_IC:
3e9107b86b68 updated for version 7.4.001 Bram Moolenaar <bram@vim.org> parents: 5255 diff changeset	3067 case NFA_NUPPER_IC:
5901 10fc95f48546 updated for version 7.4.293 Bram Moolenaar <bram@vim.org> parents: 5895 diff changeset	3068 case NFA_ANY_COMPOSING:
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3069 // possibly non-ascii
4807 3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3070 if (has_mbyte)
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3071 len += 3;
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3072 else
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3073 ++len;
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3074 break;
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3075
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3076 case NFA_START_INVISIBLE:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3077 case NFA_START_INVISIBLE_NEG:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3078 case NFA_START_INVISIBLE_BEFORE:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3079 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	3080 // 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	3081 state = state->out1->out;
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3082 continue;
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3083
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3084 case NFA_BACKREF1:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3085 case NFA_BACKREF2:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3086 case NFA_BACKREF3:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3087 case NFA_BACKREF4:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3088 case NFA_BACKREF5:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3089 case NFA_BACKREF6:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3090 case NFA_BACKREF7:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3091 case NFA_BACKREF8:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3092 case NFA_BACKREF9:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3093 #ifdef FEAT_SYN_HL
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3094 case NFA_ZREF1:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3095 case NFA_ZREF2:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3096 case NFA_ZREF3:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3097 case NFA_ZREF4:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3098 case NFA_ZREF5:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3099 case NFA_ZREF6:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3100 case NFA_ZREF7:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3101 case NFA_ZREF8:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3102 case NFA_ZREF9:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3103 #endif
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3104 case NFA_NEWL:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3105 case NFA_SKIP:
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3106 // unknown width
4807 3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3107 return -1;
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3108
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3109 case NFA_BOL:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3110 case NFA_EOL:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3111 case NFA_BOF:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3112 case NFA_EOF:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3113 case NFA_BOW:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3114 case NFA_EOW:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3115 case NFA_MOPEN:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3116 case NFA_MOPEN1:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3117 case NFA_MOPEN2:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3118 case NFA_MOPEN3:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3119 case NFA_MOPEN4:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3120 case NFA_MOPEN5:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3121 case NFA_MOPEN6:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3122 case NFA_MOPEN7:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3123 case NFA_MOPEN8:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3124 case NFA_MOPEN9:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3125 #ifdef FEAT_SYN_HL
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3126 case NFA_ZOPEN:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3127 case NFA_ZOPEN1:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3128 case NFA_ZOPEN2:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3129 case NFA_ZOPEN3:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3130 case NFA_ZOPEN4:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3131 case NFA_ZOPEN5:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3132 case NFA_ZOPEN6:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3133 case NFA_ZOPEN7:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3134 case NFA_ZOPEN8:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3135 case NFA_ZOPEN9:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3136 case NFA_ZCLOSE:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3137 case NFA_ZCLOSE1:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3138 case NFA_ZCLOSE2:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3139 case NFA_ZCLOSE3:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3140 case NFA_ZCLOSE4:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3141 case NFA_ZCLOSE5:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3142 case NFA_ZCLOSE6:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3143 case NFA_ZCLOSE7:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3144 case NFA_ZCLOSE8:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3145 case NFA_ZCLOSE9:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3146 #endif
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3147 case NFA_MCLOSE:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3148 case NFA_MCLOSE1:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3149 case NFA_MCLOSE2:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3150 case NFA_MCLOSE3:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3151 case NFA_MCLOSE4:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3152 case NFA_MCLOSE5:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3153 case NFA_MCLOSE6:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3154 case NFA_MCLOSE7:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3155 case NFA_MCLOSE8:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3156 case NFA_MCLOSE9:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3157 case NFA_NOPEN:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3158 case NFA_NCLOSE:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3159
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3160 case NFA_LNUM_GT:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3161 case NFA_LNUM_LT:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3162 case NFA_COL_GT:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3163 case NFA_COL_LT:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3164 case NFA_VCOL_GT:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3165 case NFA_VCOL_LT:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3166 case NFA_MARK_GT:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3167 case NFA_MARK_LT:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3168 case NFA_VISUAL:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3169 case NFA_LNUM:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3170 case NFA_CURSOR:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3171 case NFA_COL:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3172 case NFA_VCOL:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3173 case NFA_MARK:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3174
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3175 case NFA_ZSTART:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3176 case NFA_ZEND:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3177 case NFA_OPT_CHARS:
5370 90e2f0729a0d updated for version 7.4.036 Bram Moolenaar <bram@vim.org> parents: 5360 diff changeset	3178 case NFA_EMPTY:
4807 3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3179 case NFA_START_PATTERN:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3180 case NFA_END_PATTERN:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3181 case NFA_COMPOSING:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3182 case NFA_END_COMPOSING:
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3183 // zero-width
4807 3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3184 break;
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3185
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3186 default:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3187 if (state->c < 0)
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3188 // don't know what this is
4807 3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3189 return -1;
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3190 // normal character
4807 3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3191 len += MB_CHAR2LEN(state->c);
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3192 break;
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3193 }
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3194
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3195 // normal way to continue
4807 3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3196 state = state->out;
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3197 }
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3198
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3199 // unrecognized, "cannot happen"
4807 3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3200 return -1;
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3201 }
4809 4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	3202
4807 3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3203 /*
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3204 * Convert a postfix form into its equivalent NFA.
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3205 * Return the NFA start state on success, NULL otherwise.
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 static nfa_state_T *
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	3208 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	3209 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3210 int *p;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3211 int mopen;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3212 int mclose;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3213 Frag_T *stack = NULL;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3214 Frag_T *stackp = NULL;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3215 Frag_T *stack_end = NULL;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3216 Frag_T e1;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3217 Frag_T e2;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3218 Frag_T e;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3219 nfa_state_T *s;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3220 nfa_state_T *s1;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3221 nfa_state_T *matchstate;
4484 9a1d78f82826 updated for version 7.3.990 Bram Moolenaar <bram@vim.org> parents: 4482 diff changeset	3222 nfa_state_T *ret = NULL;
4444 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 if (postfix == NULL)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3225 return NULL;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3226
4456 015a8fabf900 updated for version 7.3.976 Bram Moolenaar <bram@vim.org> parents: 4454 diff changeset	3227 #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	3228 #define POP() st_pop(&stackp, stack); \
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3229 if (stackp < stack) \
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3230 { \
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3231 st_error(postfix, end, p); \
6747 4c4c8a53347b patch 7.4.696 Bram Moolenaar <bram@vim.org> parents: 6653 diff changeset	3232 vim_free(stack); \
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3233 return NULL; \
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3234 }
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 if (nfa_calc_size == FALSE)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3237 {
18498 9e6d5a4abb1c patch 8.1.2243: typos in comments Bram Moolenaar <Bram@vim.org> parents: 16825 diff changeset	3238 // 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	3239 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	3240 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	3241 return NULL;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3242 stackp = stack;
4462 a63361b90979 updated for version 7.3.979 Bram Moolenaar <bram@vim.org> parents: 4460 diff changeset	3243 stack_end = stack + (nstate + 1);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3244 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3245
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3246 for (p = postfix; p < end; ++p)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3247 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3248 switch (*p)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3249 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3250 case NFA_CONCAT:
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3251 // Concatenation.
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3252 // 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	3253 // (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	3254 // to postfix form in re2post().
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3255 if (nfa_calc_size == TRUE)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3256 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3257 // nstate += 0;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3258 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3259 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3260 e2 = POP();
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3261 e1 = POP();
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3262 patch(e1.out, e2.start);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3263 PUSH(frag(e1.start, e2.out));
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3264 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3265
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3266 case NFA_OR:
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3267 // Alternation
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3268 if (nfa_calc_size == TRUE)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3269 {
4458 21e13403140a updated for version 7.3.977 Bram Moolenaar <bram@vim.org> parents: 4456 diff changeset	3270 nstate++;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3271 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3272 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3273 e2 = POP();
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3274 e1 = POP();
4696 ed4e689bbea1 updated for version 7.3.1095 Bram Moolenaar <bram@vim.org> parents: 4694 diff changeset	3275 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	3276 if (s == NULL)
4484 9a1d78f82826 updated for version 7.3.990 Bram Moolenaar <bram@vim.org> parents: 4482 diff changeset	3277 goto theend;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3278 PUSH(frag(s, append(e1.out, e2.out)));
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3279 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3280
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3281 case NFA_STAR:
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3282 // Zero or more, prefer more
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3283 if (nfa_calc_size == TRUE)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3284 {
4458 21e13403140a updated for version 7.3.977 Bram Moolenaar <bram@vim.org> parents: 4456 diff changeset	3285 nstate++;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3286 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3287 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3288 e = POP();
4696 ed4e689bbea1 updated for version 7.3.1095 Bram Moolenaar <bram@vim.org> parents: 4694 diff changeset	3289 s = alloc_state(NFA_SPLIT, e.start, NULL);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3290 if (s == NULL)
4484 9a1d78f82826 updated for version 7.3.990 Bram Moolenaar <bram@vim.org> parents: 4482 diff changeset	3291 goto theend;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3292 patch(e.out, s);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3293 PUSH(frag(s, list1(&s->out1)));
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3294 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3295
4675 811a4c9b51d8 updated for version 7.3.1085 Bram Moolenaar <bram@vim.org> parents: 4673 diff changeset	3296 case NFA_STAR_NONGREEDY:
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3297 // Zero or more, prefer zero
4675 811a4c9b51d8 updated for version 7.3.1085 Bram Moolenaar <bram@vim.org> parents: 4673 diff changeset	3298 if (nfa_calc_size == TRUE)
811a4c9b51d8 updated for version 7.3.1085 Bram Moolenaar <bram@vim.org> parents: 4673 diff changeset	3299 {
811a4c9b51d8 updated for version 7.3.1085 Bram Moolenaar <bram@vim.org> parents: 4673 diff changeset	3300 nstate++;
811a4c9b51d8 updated for version 7.3.1085 Bram Moolenaar <bram@vim.org> parents: 4673 diff changeset	3301 break;
811a4c9b51d8 updated for version 7.3.1085 Bram Moolenaar <bram@vim.org> parents: 4673 diff changeset	3302 }
811a4c9b51d8 updated for version 7.3.1085 Bram Moolenaar <bram@vim.org> parents: 4673 diff changeset	3303 e = POP();
4696 ed4e689bbea1 updated for version 7.3.1095 Bram Moolenaar <bram@vim.org> parents: 4694 diff changeset	3304 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	3305 if (s == NULL)
811a4c9b51d8 updated for version 7.3.1085 Bram Moolenaar <bram@vim.org> parents: 4673 diff changeset	3306 goto theend;
811a4c9b51d8 updated for version 7.3.1085 Bram Moolenaar <bram@vim.org> parents: 4673 diff changeset	3307 patch(e.out, s);
811a4c9b51d8 updated for version 7.3.1085 Bram Moolenaar <bram@vim.org> parents: 4673 diff changeset	3308 PUSH(frag(s, list1(&s->out)));
811a4c9b51d8 updated for version 7.3.1085 Bram Moolenaar <bram@vim.org> parents: 4673 diff changeset	3309 break;
811a4c9b51d8 updated for version 7.3.1085 Bram Moolenaar <bram@vim.org> parents: 4673 diff changeset	3310
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3311 case NFA_QUEST:
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3312 // one or zero atoms=> greedy match
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3313 if (nfa_calc_size == TRUE)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3314 {
4458 21e13403140a updated for version 7.3.977 Bram Moolenaar <bram@vim.org> parents: 4456 diff changeset	3315 nstate++;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3316 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3317 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3318 e = POP();
4696 ed4e689bbea1 updated for version 7.3.1095 Bram Moolenaar <bram@vim.org> parents: 4694 diff changeset	3319 s = alloc_state(NFA_SPLIT, e.start, NULL);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3320 if (s == NULL)
4484 9a1d78f82826 updated for version 7.3.990 Bram Moolenaar <bram@vim.org> parents: 4482 diff changeset	3321 goto theend;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3322 PUSH(frag(s, append(e.out, list1(&s->out1))));
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3323 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3324
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3325 case NFA_QUEST_NONGREEDY:
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3326 // zero or one atoms => non-greedy match
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3327 if (nfa_calc_size == TRUE)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3328 {
4458 21e13403140a updated for version 7.3.977 Bram Moolenaar <bram@vim.org> parents: 4456 diff changeset	3329 nstate++;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3330 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3331 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3332 e = POP();
4696 ed4e689bbea1 updated for version 7.3.1095 Bram Moolenaar <bram@vim.org> parents: 4694 diff changeset	3333 s = alloc_state(NFA_SPLIT, NULL, e.start);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3334 if (s == NULL)
4484 9a1d78f82826 updated for version 7.3.990 Bram Moolenaar <bram@vim.org> parents: 4482 diff changeset	3335 goto theend;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3336 PUSH(frag(s, append(e.out, list1(&s->out))));
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3337 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3338
4781 c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	3339 case NFA_END_COLL:
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	3340 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	3341 // 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	3342 // 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	3343 // add the output to the start.
4781 c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	3344 if (nfa_calc_size == TRUE)
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	3345 {
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	3346 nstate++;
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	3347 break;
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	3348 }
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	3349 e = POP();
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	3350 s = alloc_state(NFA_END_COLL, NULL, NULL);
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	3351 if (s == NULL)
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	3352 goto theend;
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	3353 patch(e.out, s);
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	3354 e.start->out1 = s;
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	3355 PUSH(frag(e.start, list1(&s->out)));
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	3356 break;
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	3357
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	3358 case NFA_RANGE:
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3359 // 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	3360 // 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	3361 if (nfa_calc_size == TRUE)
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	3362 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3363 // nstate += 0;
4781 c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	3364 break;
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	3365 }
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	3366 e2 = POP();
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	3367 e1 = POP();
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	3368 e2.start->val = e2.start->c;
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	3369 e2.start->c = NFA_RANGE_MAX;
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	3370 e1.start->val = e1.start->c;
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	3371 e1.start->c = NFA_RANGE_MIN;
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	3372 patch(e1.out, e2.start);
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	3373 PUSH(frag(e1.start, e2.out));
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	3374 break;
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	3375
5370 90e2f0729a0d updated for version 7.4.036 Bram Moolenaar <bram@vim.org> parents: 5360 diff changeset	3376 case NFA_EMPTY:
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3377 // 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	3378 if (nfa_calc_size == TRUE)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3379 {
4458 21e13403140a updated for version 7.3.977 Bram Moolenaar <bram@vim.org> parents: 4456 diff changeset	3380 nstate++;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3381 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3382 }
5370 90e2f0729a0d updated for version 7.4.036 Bram Moolenaar <bram@vim.org> parents: 5360 diff changeset	3383 s = alloc_state(NFA_EMPTY, NULL, NULL);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3384 if (s == NULL)
4484 9a1d78f82826 updated for version 7.3.990 Bram Moolenaar <bram@vim.org> parents: 4482 diff changeset	3385 goto theend;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3386 PUSH(frag(s, list1(&s->out)));
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3387 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3388
4740 97560c16ca99 updated for version 7.3.1117 Bram Moolenaar <bram@vim.org> parents: 4738 diff changeset	3389 case NFA_OPT_CHARS:
97560c16ca99 updated for version 7.3.1117 Bram Moolenaar <bram@vim.org> parents: 4738 diff changeset	3390 {
97560c16ca99 updated for version 7.3.1117 Bram Moolenaar <bram@vim.org> parents: 4738 diff changeset	3391 int n;
97560c16ca99 updated for version 7.3.1117 Bram Moolenaar <bram@vim.org> parents: 4738 diff changeset	3392
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3393 // \%[abc] implemented as:
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3394 // NFA_SPLIT
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3395 // +-CHAR(a)
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3396 // \| +-NFA_SPLIT
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3397 // \| +-CHAR(b)
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3398 // \| \| +-NFA_SPLIT
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3399 // \| \| +-CHAR(c)
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3400 // \| \| \| +-next
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3401 // \| \| +- next
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3402 // \| +- next
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3403 // +- next
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3404 n = *++p; // get number of characters
4740 97560c16ca99 updated for version 7.3.1117 Bram Moolenaar <bram@vim.org> parents: 4738 diff changeset	3405 if (nfa_calc_size == TRUE)
97560c16ca99 updated for version 7.3.1117 Bram Moolenaar <bram@vim.org> parents: 4738 diff changeset	3406 {
97560c16ca99 updated for version 7.3.1117 Bram Moolenaar <bram@vim.org> parents: 4738 diff changeset	3407 nstate += n;
97560c16ca99 updated for version 7.3.1117 Bram Moolenaar <bram@vim.org> parents: 4738 diff changeset	3408 break;
97560c16ca99 updated for version 7.3.1117 Bram Moolenaar <bram@vim.org> parents: 4738 diff changeset	3409 }
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3410 s = NULL; // avoid compiler warning
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3411 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	3412 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	3413 while (n-- > 0)
97560c16ca99 updated for version 7.3.1117 Bram Moolenaar <bram@vim.org> parents: 4738 diff changeset	3414 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3415 e = POP(); // get character
4740 97560c16ca99 updated for version 7.3.1117 Bram Moolenaar <bram@vim.org> parents: 4738 diff changeset	3416 s = alloc_state(NFA_SPLIT, e.start, NULL);
97560c16ca99 updated for version 7.3.1117 Bram Moolenaar <bram@vim.org> parents: 4738 diff changeset	3417 if (s == NULL)
97560c16ca99 updated for version 7.3.1117 Bram Moolenaar <bram@vim.org> parents: 4738 diff changeset	3418 goto theend;
97560c16ca99 updated for version 7.3.1117 Bram Moolenaar <bram@vim.org> parents: 4738 diff changeset	3419 if (e1.out == NULL)
97560c16ca99 updated for version 7.3.1117 Bram Moolenaar <bram@vim.org> parents: 4738 diff changeset	3420 e1 = e;
97560c16ca99 updated for version 7.3.1117 Bram Moolenaar <bram@vim.org> parents: 4738 diff changeset	3421 patch(e.out, s1);
97560c16ca99 updated for version 7.3.1117 Bram Moolenaar <bram@vim.org> parents: 4738 diff changeset	3422 append(e1.out, list1(&s->out1));
97560c16ca99 updated for version 7.3.1117 Bram Moolenaar <bram@vim.org> parents: 4738 diff changeset	3423 s1 = s;
97560c16ca99 updated for version 7.3.1117 Bram Moolenaar <bram@vim.org> parents: 4738 diff changeset	3424 }
97560c16ca99 updated for version 7.3.1117 Bram Moolenaar <bram@vim.org> parents: 4738 diff changeset	3425 PUSH(frag(s, e1.out));
97560c16ca99 updated for version 7.3.1117 Bram Moolenaar <bram@vim.org> parents: 4738 diff changeset	3426 break;
97560c16ca99 updated for version 7.3.1117 Bram Moolenaar <bram@vim.org> parents: 4738 diff changeset	3427 }
97560c16ca99 updated for version 7.3.1117 Bram Moolenaar <bram@vim.org> parents: 4738 diff changeset	3428
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3429 case NFA_PREV_ATOM_NO_WIDTH:
4661 0dce3d812e7a updated for version 7.3.1078 Bram Moolenaar <bram@vim.org> parents: 4657 diff changeset	3430 case NFA_PREV_ATOM_NO_WIDTH_NEG:
4682 2f51ee8825db updated for version 7.3.1088 Bram Moolenaar <bram@vim.org> parents: 4679 diff changeset	3431 case NFA_PREV_ATOM_JUST_BEFORE:
2f51ee8825db updated for version 7.3.1088 Bram Moolenaar <bram@vim.org> parents: 4679 diff changeset	3432 case NFA_PREV_ATOM_JUST_BEFORE_NEG:
4750 7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	3433 case NFA_PREV_ATOM_LIKE_PATTERN:
4740 97560c16ca99 updated for version 7.3.1117 Bram Moolenaar <bram@vim.org> parents: 4738 diff changeset	3434 {
97560c16ca99 updated for version 7.3.1117 Bram Moolenaar <bram@vim.org> parents: 4738 diff changeset	3435 int before = (*p == NFA_PREV_ATOM_JUST_BEFORE
97560c16ca99 updated for version 7.3.1117 Bram Moolenaar <bram@vim.org> parents: 4738 diff changeset	3436 \|\| *p == NFA_PREV_ATOM_JUST_BEFORE_NEG);
4750 7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	3437 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	3438 int start_state;
3b5a023a4543 updated for version 7.3.1139 Bram Moolenaar <bram@vim.org> parents: 4783 diff changeset	3439 int end_state;
4750 7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	3440 int n = 0;
7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	3441 nfa_state_T *zend;
7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	3442 nfa_state_T *skip;
7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	3443
4785 3b5a023a4543 updated for version 7.3.1139 Bram Moolenaar <bram@vim.org> parents: 4783 diff changeset	3444 switch (*p)
4750 7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	3445 {
4785 3b5a023a4543 updated for version 7.3.1139 Bram Moolenaar <bram@vim.org> parents: 4783 diff changeset	3446 case NFA_PREV_ATOM_NO_WIDTH:
3b5a023a4543 updated for version 7.3.1139 Bram Moolenaar <bram@vim.org> parents: 4783 diff changeset	3447 start_state = NFA_START_INVISIBLE;
3b5a023a4543 updated for version 7.3.1139 Bram Moolenaar <bram@vim.org> parents: 4783 diff changeset	3448 end_state = NFA_END_INVISIBLE;
3b5a023a4543 updated for version 7.3.1139 Bram Moolenaar <bram@vim.org> parents: 4783 diff changeset	3449 break;
3b5a023a4543 updated for version 7.3.1139 Bram Moolenaar <bram@vim.org> parents: 4783 diff changeset	3450 case NFA_PREV_ATOM_NO_WIDTH_NEG:
3b5a023a4543 updated for version 7.3.1139 Bram Moolenaar <bram@vim.org> parents: 4783 diff changeset	3451 start_state = NFA_START_INVISIBLE_NEG;
3b5a023a4543 updated for version 7.3.1139 Bram Moolenaar <bram@vim.org> parents: 4783 diff changeset	3452 end_state = NFA_END_INVISIBLE_NEG;
3b5a023a4543 updated for version 7.3.1139 Bram Moolenaar <bram@vim.org> parents: 4783 diff changeset	3453 break;
3b5a023a4543 updated for version 7.3.1139 Bram Moolenaar <bram@vim.org> parents: 4783 diff changeset	3454 case NFA_PREV_ATOM_JUST_BEFORE:
3b5a023a4543 updated for version 7.3.1139 Bram Moolenaar <bram@vim.org> parents: 4783 diff changeset	3455 start_state = NFA_START_INVISIBLE_BEFORE;
3b5a023a4543 updated for version 7.3.1139 Bram Moolenaar <bram@vim.org> parents: 4783 diff changeset	3456 end_state = NFA_END_INVISIBLE;
3b5a023a4543 updated for version 7.3.1139 Bram Moolenaar <bram@vim.org> parents: 4783 diff changeset	3457 break;
3b5a023a4543 updated for version 7.3.1139 Bram Moolenaar <bram@vim.org> parents: 4783 diff changeset	3458 case NFA_PREV_ATOM_JUST_BEFORE_NEG:
3b5a023a4543 updated for version 7.3.1139 Bram Moolenaar <bram@vim.org> parents: 4783 diff changeset	3459 start_state = NFA_START_INVISIBLE_BEFORE_NEG;
3b5a023a4543 updated for version 7.3.1139 Bram Moolenaar <bram@vim.org> parents: 4783 diff changeset	3460 end_state = NFA_END_INVISIBLE_NEG;
3b5a023a4543 updated for version 7.3.1139 Bram Moolenaar <bram@vim.org> parents: 4783 diff changeset	3461 break;
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3462 default: // NFA_PREV_ATOM_LIKE_PATTERN:
4785 3b5a023a4543 updated for version 7.3.1139 Bram Moolenaar <bram@vim.org> parents: 4783 diff changeset	3463 start_state = NFA_START_PATTERN;
3b5a023a4543 updated for version 7.3.1139 Bram Moolenaar <bram@vim.org> parents: 4783 diff changeset	3464 end_state = NFA_END_PATTERN;
3b5a023a4543 updated for version 7.3.1139 Bram Moolenaar <bram@vim.org> parents: 4783 diff changeset	3465 break;
4750 7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	3466 }
4740 97560c16ca99 updated for version 7.3.1117 Bram Moolenaar <bram@vim.org> parents: 4738 diff changeset	3467
97560c16ca99 updated for version 7.3.1117 Bram Moolenaar <bram@vim.org> parents: 4738 diff changeset	3468 if (before)
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3469 n = *++p; // get the count
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3470
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3471 // 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	3472 // 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	3473 // 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	3474 // 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	3475 // 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	3476 // END_INVISIBLE, similarly to MOPEN.
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3477
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3478 if (nfa_calc_size == TRUE)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3479 {
4750 7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	3480 nstate += pattern ? 4 : 2;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3481 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3482 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3483 e = POP();
4750 7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	3484 s1 = alloc_state(end_state, NULL, NULL);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3485 if (s1 == NULL)
4484 9a1d78f82826 updated for version 7.3.990 Bram Moolenaar <bram@vim.org> parents: 4482 diff changeset	3486 goto theend;
4750 7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	3487
7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	3488 s = alloc_state(start_state, e.start, s1);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3489 if (s == NULL)
4484 9a1d78f82826 updated for version 7.3.990 Bram Moolenaar <bram@vim.org> parents: 4482 diff changeset	3490 goto theend;
4750 7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	3491 if (pattern)
4682 2f51ee8825db updated for version 7.3.1088 Bram Moolenaar <bram@vim.org> parents: 4679 diff changeset	3492 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3493 // 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	3494 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	3495 if (skip == NULL)
a941848d8c44 patch 8.0.0828: Coverity: may dereference NULL pointer Christian Brabandt <cb@256bit.org> parents: 11525 diff changeset	3496 goto theend;
4750 7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	3497 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	3498 if (zend == NULL)
a941848d8c44 patch 8.0.0828: Coverity: may dereference NULL pointer Christian Brabandt <cb@256bit.org> parents: 11525 diff changeset	3499 goto theend;
4750 7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	3500 s1->out= skip;
7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	3501 patch(e.out, zend);
7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	3502 PUSH(frag(s, list1(&skip->out)));
4682 2f51ee8825db updated for version 7.3.1088 Bram Moolenaar <bram@vim.org> parents: 4679 diff changeset	3503 }
4750 7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	3504 else
7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	3505 {
7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	3506 patch(e.out, s1);
7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	3507 PUSH(frag(s, list1(&s1->out)));
4807 3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3508 if (before)
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3509 {
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3510 if (n <= 0)
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3511 // 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	3512 // lot of pointless tries.
4807 3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3513 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	3514 s->val = n; // store the count
4807 3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3515 }
4750 7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	3516 }
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3517 break;
4740 97560c16ca99 updated for version 7.3.1117 Bram Moolenaar <bram@vim.org> parents: 4738 diff changeset	3518 }
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3519
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3520 case NFA_COMPOSING: // char with composing char
4527 55bcaa1d2749 updated for version 7.3.1011 Bram Moolenaar <bram@vim.org> parents: 4525 diff changeset	3521 #if 0
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3522 // TODO
4527 55bcaa1d2749 updated for version 7.3.1011 Bram Moolenaar <bram@vim.org> parents: 4525 diff changeset	3523 if (regflags & RF_ICOMBINE)
55bcaa1d2749 updated for version 7.3.1011 Bram Moolenaar <bram@vim.org> parents: 4525 diff changeset	3524 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3525 // use the base character only
4527 55bcaa1d2749 updated for version 7.3.1011 Bram Moolenaar <bram@vim.org> parents: 4525 diff changeset	3526 }
55bcaa1d2749 updated for version 7.3.1011 Bram Moolenaar <bram@vim.org> parents: 4525 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 // FALLTHROUGH
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3529
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3530 case NFA_MOPEN: // Submatch
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3531 case NFA_MOPEN1:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3532 case NFA_MOPEN2:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3533 case NFA_MOPEN3:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3534 case NFA_MOPEN4:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3535 case NFA_MOPEN5:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3536 case NFA_MOPEN6:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3537 case NFA_MOPEN7:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3538 case NFA_MOPEN8:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3539 case NFA_MOPEN9:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3540 #ifdef FEAT_SYN_HL
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3541 case NFA_ZOPEN: // \z( \) Submatch
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3542 case NFA_ZOPEN1:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3543 case NFA_ZOPEN2:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3544 case NFA_ZOPEN3:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3545 case NFA_ZOPEN4:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3546 case NFA_ZOPEN5:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3547 case NFA_ZOPEN6:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3548 case NFA_ZOPEN7:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3549 case NFA_ZOPEN8:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3550 case NFA_ZOPEN9:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3551 #endif
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3552 case NFA_NOPEN: // \%( \) "Invisible Submatch"
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3553 if (nfa_calc_size == TRUE)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3554 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3555 nstate += 2;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3556 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3557 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3558
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3559 mopen = *p;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3560 switch (*p)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3561 {
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3562 case NFA_NOPEN: mclose = NFA_NCLOSE; break;
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3563 #ifdef FEAT_SYN_HL
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3564 case NFA_ZOPEN: mclose = NFA_ZCLOSE; break;
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3565 case NFA_ZOPEN1: mclose = NFA_ZCLOSE1; break;
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3566 case NFA_ZOPEN2: mclose = NFA_ZCLOSE2; break;
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3567 case NFA_ZOPEN3: mclose = NFA_ZCLOSE3; break;
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3568 case NFA_ZOPEN4: mclose = NFA_ZCLOSE4; break;
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3569 case NFA_ZOPEN5: mclose = NFA_ZCLOSE5; break;
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3570 case NFA_ZOPEN6: mclose = NFA_ZCLOSE6; break;
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3571 case NFA_ZOPEN7: mclose = NFA_ZCLOSE7; break;
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3572 case NFA_ZOPEN8: mclose = NFA_ZCLOSE8; break;
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3573 case NFA_ZOPEN9: mclose = NFA_ZCLOSE9; break;
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3574 #endif
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3575 case NFA_COMPOSING: mclose = NFA_END_COMPOSING; break;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3576 default:
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3577 // NFA_MOPEN, NFA_MOPEN1 .. NFA_MOPEN9
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3578 mclose = *p + NSUBEXP;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3579 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3580 }
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 // 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	3583 // 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	3584 // 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	3585 // empty groups of parenthesis, and empty mbyte chars
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3586 if (stackp == stack)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3587 {
4696 ed4e689bbea1 updated for version 7.3.1095 Bram Moolenaar <bram@vim.org> parents: 4694 diff changeset	3588 s = alloc_state(mopen, NULL, NULL);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3589 if (s == NULL)
4484 9a1d78f82826 updated for version 7.3.990 Bram Moolenaar <bram@vim.org> parents: 4482 diff changeset	3590 goto theend;
4696 ed4e689bbea1 updated for version 7.3.1095 Bram Moolenaar <bram@vim.org> parents: 4694 diff changeset	3591 s1 = alloc_state(mclose, NULL, NULL);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3592 if (s1 == NULL)
4484 9a1d78f82826 updated for version 7.3.990 Bram Moolenaar <bram@vim.org> parents: 4482 diff changeset	3593 goto theend;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3594 patch(list1(&s->out), s1);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3595 PUSH(frag(s, list1(&s1->out)));
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3596 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3597 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3598
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3599 // 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	3600 // 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	3601 e = POP();
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3602 s = alloc_state(mopen, e.start, NULL); // `('
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3603 if (s == NULL)
4484 9a1d78f82826 updated for version 7.3.990 Bram Moolenaar <bram@vim.org> parents: 4482 diff changeset	3604 goto theend;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3605
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3606 s1 = alloc_state(mclose, NULL, NULL); // `)'
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3607 if (s1 == NULL)
4484 9a1d78f82826 updated for version 7.3.990 Bram Moolenaar <bram@vim.org> parents: 4482 diff changeset	3608 goto theend;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3609 patch(e.out, s1);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3610
4527 55bcaa1d2749 updated for version 7.3.1011 Bram Moolenaar <bram@vim.org> parents: 4525 diff changeset	3611 if (mopen == NFA_COMPOSING)
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3612 // COMPOSING->out1 = END_COMPOSING
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3613 patch(list1(&s->out1), s1);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3614
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3615 PUSH(frag(s, list1(&s1->out)));
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3616 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3617
4571 b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	3618 case NFA_BACKREF1:
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	3619 case NFA_BACKREF2:
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	3620 case NFA_BACKREF3:
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	3621 case NFA_BACKREF4:
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	3622 case NFA_BACKREF5:
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	3623 case NFA_BACKREF6:
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	3624 case NFA_BACKREF7:
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	3625 case NFA_BACKREF8:
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	3626 case NFA_BACKREF9:
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3627 #ifdef FEAT_SYN_HL
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3628 case NFA_ZREF1:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3629 case NFA_ZREF2:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3630 case NFA_ZREF3:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3631 case NFA_ZREF4:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3632 case NFA_ZREF5:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3633 case NFA_ZREF6:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3634 case NFA_ZREF7:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3635 case NFA_ZREF8:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3636 case NFA_ZREF9:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3637 #endif
4571 b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	3638 if (nfa_calc_size == TRUE)
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	3639 {
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	3640 nstate += 2;
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	3641 break;
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	3642 }
4696 ed4e689bbea1 updated for version 7.3.1095 Bram Moolenaar <bram@vim.org> parents: 4694 diff changeset	3643 s = alloc_state(*p, NULL, NULL);
4571 b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	3644 if (s == NULL)
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	3645 goto theend;
4696 ed4e689bbea1 updated for version 7.3.1095 Bram Moolenaar <bram@vim.org> parents: 4694 diff changeset	3646 s1 = alloc_state(NFA_SKIP, NULL, NULL);
4571 b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	3647 if (s1 == NULL)
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	3648 goto theend;
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	3649 patch(list1(&s->out), s1);
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	3650 PUSH(frag(s, list1(&s1->out)));
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	3651 break;
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	3652
4583 321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	3653 case NFA_LNUM:
321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	3654 case NFA_LNUM_GT:
321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	3655 case NFA_LNUM_LT:
321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	3656 case NFA_VCOL:
321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	3657 case NFA_VCOL_GT:
321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	3658 case NFA_VCOL_LT:
321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	3659 case NFA_COL:
321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	3660 case NFA_COL_GT:
321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	3661 case NFA_COL_LT:
4732 0798b096bab3 updated for version 7.3.1113 Bram Moolenaar <bram@vim.org> parents: 4730 diff changeset	3662 case NFA_MARK:
0798b096bab3 updated for version 7.3.1113 Bram Moolenaar <bram@vim.org> parents: 4730 diff changeset	3663 case NFA_MARK_GT:
0798b096bab3 updated for version 7.3.1113 Bram Moolenaar <bram@vim.org> parents: 4730 diff changeset	3664 case NFA_MARK_LT:
4740 97560c16ca99 updated for version 7.3.1117 Bram Moolenaar <bram@vim.org> parents: 4738 diff changeset	3665 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3666 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	3667
4583 321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	3668 if (nfa_calc_size == TRUE)
321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	3669 {
321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	3670 nstate += 1;
321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	3671 break;
321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	3672 }
4740 97560c16ca99 updated for version 7.3.1117 Bram Moolenaar <bram@vim.org> parents: 4738 diff changeset	3673 s = alloc_state(p[-1], NULL, NULL);
4583 321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	3674 if (s == NULL)
321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	3675 goto theend;
4740 97560c16ca99 updated for version 7.3.1117 Bram Moolenaar <bram@vim.org> parents: 4738 diff changeset	3676 s->val = n;
4583 321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	3677 PUSH(frag(s, list1(&s->out)));
321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	3678 break;
4740 97560c16ca99 updated for version 7.3.1117 Bram Moolenaar <bram@vim.org> parents: 4738 diff changeset	3679 }
4583 321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	3680
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3681 case NFA_ZSTART:
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3682 case NFA_ZEND:
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3683 default:
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3684 // Operands
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3685 if (nfa_calc_size == TRUE)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3686 {
4458 21e13403140a updated for version 7.3.977 Bram Moolenaar <bram@vim.org> parents: 4456 diff changeset	3687 nstate++;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3688 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3689 }
4696 ed4e689bbea1 updated for version 7.3.1095 Bram Moolenaar <bram@vim.org> parents: 4694 diff changeset	3690 s = alloc_state(*p, NULL, NULL);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3691 if (s == NULL)
4484 9a1d78f82826 updated for version 7.3.990 Bram Moolenaar <bram@vim.org> parents: 4482 diff changeset	3692 goto theend;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3693 PUSH(frag(s, list1(&s->out)));
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3694 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3695
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3696 } // switch(*p)
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3697
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3698 } // for(p = postfix; *p; ++p)
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 if (nfa_calc_size == TRUE)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3701 {
4458 21e13403140a updated for version 7.3.977 Bram Moolenaar <bram@vim.org> parents: 4456 diff changeset	3702 nstate++;
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3703 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	3704 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3705
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3706 e = POP();
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3707 if (stackp != stack)
6747 4c4c8a53347b patch 7.4.696 Bram Moolenaar <bram@vim.org> parents: 6653 diff changeset	3708 {
4c4c8a53347b patch 7.4.696 Bram Moolenaar <bram@vim.org> parents: 6653 diff changeset	3709 vim_free(stack);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3710 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	3711 }
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3712
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3713 if (istate >= nstate)
6747 4c4c8a53347b patch 7.4.696 Bram Moolenaar <bram@vim.org> parents: 6653 diff changeset	3714 {
4c4c8a53347b patch 7.4.696 Bram Moolenaar <bram@vim.org> parents: 6653 diff changeset	3715 vim_free(stack);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3716 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	3717 }
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3718
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3719 matchstate = &state_ptr[istate++]; // the match state
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3720 matchstate->c = NFA_MATCH;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3721 matchstate->out = matchstate->out1 = NULL;
4781 c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	3722 matchstate->id = 0;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3723
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3724 patch(e.out, matchstate);
4484 9a1d78f82826 updated for version 7.3.990 Bram Moolenaar <bram@vim.org> parents: 4482 diff changeset	3725 ret = e.start;
9a1d78f82826 updated for version 7.3.990 Bram Moolenaar <bram@vim.org> parents: 4482 diff changeset	3726
9a1d78f82826 updated for version 7.3.990 Bram Moolenaar <bram@vim.org> parents: 4482 diff changeset	3727 theend:
9a1d78f82826 updated for version 7.3.990 Bram Moolenaar <bram@vim.org> parents: 4482 diff changeset	3728 vim_free(stack);
9a1d78f82826 updated for version 7.3.990 Bram Moolenaar <bram@vim.org> parents: 4482 diff changeset	3729 return ret;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3730
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3731 #undef POP1
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3732 #undef PUSH1
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3733 #undef POP2
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3734 #undef PUSH2
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3735 #undef POP
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3736 #undef PUSH
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3737 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3738
4845 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 * 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	3741 */
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	3742 static void
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	3743 nfa_postprocess(nfa_regprog_T *prog)
4845 a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	3744 {
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	3745 int i;
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	3746 int c;
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	3747
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	3748 for (i = 0; i < prog->nstate; ++i)
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	3749 {
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	3750 c = prog->state[i].c;
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	3751 if (c == NFA_START_INVISIBLE
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	3752 \|\| c == NFA_START_INVISIBLE_NEG
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	3753 \|\| c == NFA_START_INVISIBLE_BEFORE
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	3754 \|\| c == NFA_START_INVISIBLE_BEFORE_NEG)
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	3755 {
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	3756 int directly;
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	3757
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3758 // 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	3759 // match.
4845 a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	3760 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	3761 directly = TRUE;
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	3762 else
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 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	3765 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	3766
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3767 // 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	3768 // lower chance of failing.
4845 a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	3769 if (c == NFA_START_INVISIBLE_BEFORE
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	3770 \|\| c == NFA_START_INVISIBLE_BEFORE_NEG)
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	3771 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3772 // "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	3773 // 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	3774 // 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	3775 // Otherwise strongly prefer what follows.
4845 a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	3776 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	3777 directly = FALSE;
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	3778 else
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	3779 directly = ch_follows * 10 < ch_invisible;
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	3780 }
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	3781 else
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	3782 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3783 // 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	3784 // highest failure chance
4845 a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	3785 directly = ch_follows < ch_invisible;
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	3786 }
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	3787 }
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	3788 if (directly)
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3789 // switch to the _FIRST state
4845 a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	3790 ++prog->state[i].c;
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	3791 }
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	3792 }
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	3793 }
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	3794
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3795 /////////////////////////////////////////////////////////////////
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3796 // NFA execution code.
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3797 /////////////////////////////////////////////////////////////////
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3798
4563 e7016af0cbf9 updated for version 7.3.1029 Bram Moolenaar <bram@vim.org> parents: 4561 diff changeset	3799 typedef struct
e7016af0cbf9 updated for version 7.3.1029 Bram Moolenaar <bram@vim.org> parents: 4561 diff changeset	3800 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3801 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	3802
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3803 // 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	3804 union
e7016af0cbf9 updated for version 7.3.1029 Bram Moolenaar <bram@vim.org> parents: 4561 diff changeset	3805 {
e7016af0cbf9 updated for version 7.3.1029 Bram Moolenaar <bram@vim.org> parents: 4561 diff changeset	3806 struct multipos
e7016af0cbf9 updated for version 7.3.1029 Bram Moolenaar <bram@vim.org> parents: 4561 diff changeset	3807 {
6547 436d6c9e57f2 updated for version 7.4.600 Bram Moolenaar <bram@vim.org> parents: 6545 diff changeset	3808 linenr_T start_lnum;
436d6c9e57f2 updated for version 7.4.600 Bram Moolenaar <bram@vim.org> parents: 6545 diff changeset	3809 linenr_T end_lnum;
436d6c9e57f2 updated for version 7.4.600 Bram Moolenaar <bram@vim.org> parents: 6545 diff changeset	3810 colnr_T start_col;
436d6c9e57f2 updated for version 7.4.600 Bram Moolenaar <bram@vim.org> parents: 6545 diff changeset	3811 colnr_T end_col;
4577 b22bff1a6af8 updated for version 7.3.1036 Bram Moolenaar <bram@vim.org> parents: 4573 diff changeset	3812 } multi[NSUBEXP];
4563 e7016af0cbf9 updated for version 7.3.1029 Bram Moolenaar <bram@vim.org> parents: 4561 diff changeset	3813 struct linepos
e7016af0cbf9 updated for version 7.3.1029 Bram Moolenaar <bram@vim.org> parents: 4561 diff changeset	3814 {
e7016af0cbf9 updated for version 7.3.1029 Bram Moolenaar <bram@vim.org> parents: 4561 diff changeset	3815 char_u *start;
e7016af0cbf9 updated for version 7.3.1029 Bram Moolenaar <bram@vim.org> parents: 4561 diff changeset	3816 char_u *end;
4577 b22bff1a6af8 updated for version 7.3.1036 Bram Moolenaar <bram@vim.org> parents: 4573 diff changeset	3817 } line[NSUBEXP];
b22bff1a6af8 updated for version 7.3.1036 Bram Moolenaar <bram@vim.org> parents: 4573 diff changeset	3818 } list;
4563 e7016af0cbf9 updated for version 7.3.1029 Bram Moolenaar <bram@vim.org> parents: 4561 diff changeset	3819 } regsub_T;
e7016af0cbf9 updated for version 7.3.1029 Bram Moolenaar <bram@vim.org> parents: 4561 diff changeset	3820
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3821 typedef struct
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3822 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3823 regsub_T norm; // $ .. $ matches
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3824 #ifdef FEAT_SYN_HL
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3825 regsub_T synt; // \z( .. \) matches
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3826 #endif
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3827 } regsubs_T;
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3828
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3829 // 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	3830 typedef struct nfa_pim_S nfa_pim_T;
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	3831 struct nfa_pim_S
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	3832 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3833 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	3834 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	3835 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	3836 union
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	3837 {
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	3838 lpos_T pos;
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	3839 char_u *ptr;
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3840 } end; // where the match must end
4726 3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	3841 };
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	3842
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3843 // 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	3844 #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	3845 #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	3846 #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	3847 #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	3848
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3849
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3850 // 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	3851 typedef struct
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3852 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3853 nfa_state_T *state;
4571 b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	3854 int count;
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3855 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	3856 // invisible match
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3857 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	3858 } nfa_thread_T;
532c2e850256 updated for version 7.3.1017 Bram Moolenaar <bram@vim.org> parents: 4537 diff changeset	3859
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3860 // 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	3861 typedef struct
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3862 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3863 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	3864 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	3865 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	3866 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	3867 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	3868 } nfa_list_T;
532c2e850256 updated for version 7.3.1017 Bram Moolenaar <bram@vim.org> parents: 4537 diff changeset	3869
4571 b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	3870 #ifdef ENABLE_LOG
7805 0b6c37dd858d commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077 Christian Brabandt <cb@256bit.org> parents: 7258 diff changeset	3871 static void log_subexpr(regsub_T *sub);
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3872
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3873 static void
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	3874 log_subsexpr(regsubs_T *subs)
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3875 {
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3876 log_subexpr(&subs->norm);
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3877 # 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	3878 if (rex.nfa_has_zsubexpr)
4770 b20dbf3a5370 updated for version 7.3.1132 Bram Moolenaar <bram@vim.org> parents: 4768 diff changeset	3879 log_subexpr(&subs->synt);
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3880 # endif
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3881 }
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3882
4571 b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	3883 static void
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	3884 log_subexpr(regsub_T *sub)
4571 b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	3885 {
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	3886 int j;
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	3887
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	3888 for (j = 0; j < sub->in_use; j++)
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	3889 if (REG_MULTI)
4750 7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	3890 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	3891 j,
6547 436d6c9e57f2 updated for version 7.4.600 Bram Moolenaar <bram@vim.org> parents: 6545 diff changeset	3892 sub->list.multi[j].start_col,
436d6c9e57f2 updated for version 7.4.600 Bram Moolenaar <bram@vim.org> parents: 6545 diff changeset	3893 (int)sub->list.multi[j].start_lnum,
436d6c9e57f2 updated for version 7.4.600 Bram Moolenaar <bram@vim.org> parents: 6545 diff changeset	3894 sub->list.multi[j].end_col,
436d6c9e57f2 updated for version 7.4.600 Bram Moolenaar <bram@vim.org> parents: 6545 diff changeset	3895 (int)sub->list.multi[j].end_lnum);
4571 b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	3896 else
4746 d1376091d18b updated for version 7.3.1120 Bram Moolenaar <bram@vim.org> parents: 4744 diff changeset	3897 {
d1376091d18b updated for version 7.3.1120 Bram Moolenaar <bram@vim.org> parents: 4744 diff changeset	3898 char s = (char )sub->list.line[j].start;
d1376091d18b updated for version 7.3.1120 Bram Moolenaar <bram@vim.org> parents: 4744 diff changeset	3899 char e = (char )sub->list.line[j].end;
d1376091d18b updated for version 7.3.1120 Bram Moolenaar <bram@vim.org> parents: 4744 diff changeset	3900
4750 7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	3901 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	3902 j,
4746 d1376091d18b updated for version 7.3.1120 Bram Moolenaar <bram@vim.org> parents: 4744 diff changeset	3903 s == NULL ? "NULL" : s,
d1376091d18b updated for version 7.3.1120 Bram Moolenaar <bram@vim.org> parents: 4744 diff changeset	3904 e == NULL ? "NULL" : e);
d1376091d18b updated for version 7.3.1120 Bram Moolenaar <bram@vim.org> parents: 4744 diff changeset	3905 }
4571 b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	3906 }
4813 bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	3907
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	3908 static char *
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	3909 pim_info(nfa_pim_T *pim)
4813 bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	3910 {
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	3911 static char buf[30];
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 if (pim == NULL \|\| pim->result == NFA_PIM_UNUSED)
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	3914 buf[0] = NUL;
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	3915 else
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	3916 {
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	3917 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	3918 : (int)(pim->end.ptr - rex.input));
4813 bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	3919 }
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	3920 return buf;
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	3921 }
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	3922
4571 b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	3923 #endif
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	3924
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3925 // 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	3926 static int nfa_match;
6573 ffba266e064d updated for version 7.4.613 Bram Moolenaar <bram@vim.org> parents: 6547 diff changeset	3927 #ifdef FEAT_RELTIME
ffba266e064d updated for version 7.4.613 Bram Moolenaar <bram@vim.org> parents: 6547 diff changeset	3928 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	3929 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	3930 static int nfa_time_count;
6573 ffba266e064d updated for version 7.4.613 Bram Moolenaar <bram@vim.org> parents: 6547 diff changeset	3931 #endif
4561 4d81fdda8f35 updated for version 7.3.1028 Bram Moolenaar <bram@vim.org> parents: 4559 diff changeset	3932
7805 0b6c37dd858d commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077 Christian Brabandt <cb@256bit.org> parents: 7258 diff changeset	3933 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	3934 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	3935
4813 bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	3936 /*
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	3937 * 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	3938 */
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	3939 static void
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	3940 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	3941 {
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	3942 to->result = from->result;
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	3943 to->state = from->state;
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	3944 copy_sub(&to->subs.norm, &from->subs.norm);
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	3945 #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	3946 if (rex.nfa_has_zsubexpr)
4813 bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	3947 copy_sub(&to->subs.synt, &from->subs.synt);
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	3948 #endif
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	3949 to->end = from->end;
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	3950 }
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	3951
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3952 static void
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	3953 clear_sub(regsub_T *sub)
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3954 {
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3955 if (REG_MULTI)
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3956 // Use 0xff to set lnum to -1
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3957 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	3958 sizeof(struct multipos) * rex.nfa_nsubexpr);
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3959 else
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	3960 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	3961 sizeof(struct linepos) * rex.nfa_nsubexpr);
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3962 sub->in_use = 0;
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3963 }
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 /*
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3966 * Copy the submatches from "from" to "to".
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 static void
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	3969 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	3970 {
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3971 to->in_use = from->in_use;
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3972 if (from->in_use > 0)
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3973 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3974 // Copy the match start and end positions.
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3975 if (REG_MULTI)
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3976 mch_memmove(&to->list.multi[0],
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3977 &from->list.multi[0],
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3978 sizeof(struct multipos) * from->in_use);
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3979 else
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3980 mch_memmove(&to->list.line[0],
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3981 &from->list.line[0],
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3982 sizeof(struct linepos) * from->in_use);
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3983 }
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3984 }
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3985
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3986 /*
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3987 * Like copy_sub() but exclude the main match.
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3988 */
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3989 static void
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	3990 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	3991 {
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3992 if (to->in_use < from->in_use)
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3993 to->in_use = from->in_use;
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3994 if (from->in_use > 1)
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3995 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	3996 // Copy the match start and end positions.
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3997 if (REG_MULTI)
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3998 mch_memmove(&to->list.multi[1],
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3999 &from->list.multi[1],
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4000 sizeof(struct multipos) * (from->in_use - 1));
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4001 else
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4002 mch_memmove(&to->list.line[1],
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4003 &from->list.line[1],
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4004 sizeof(struct linepos) * (from->in_use - 1));
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4005 }
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4006 }
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4007
4647 857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	4008 /*
5372 c3d379c2a115 updated for version 7.4.037 Bram Moolenaar <bram@vim.org> parents: 5370 diff changeset	4009 * 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	4010 */
c3d379c2a115 updated for version 7.4.037 Bram Moolenaar <bram@vim.org> parents: 5370 diff changeset	4011 static void
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	4012 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	4013 {
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	4014 if (rex.nfa_has_zend)
5372 c3d379c2a115 updated for version 7.4.037 Bram Moolenaar <bram@vim.org> parents: 5370 diff changeset	4015 {
c3d379c2a115 updated for version 7.4.037 Bram Moolenaar <bram@vim.org> parents: 5370 diff changeset	4016 if (REG_MULTI)
c3d379c2a115 updated for version 7.4.037 Bram Moolenaar <bram@vim.org> parents: 5370 diff changeset	4017 {
6547 436d6c9e57f2 updated for version 7.4.600 Bram Moolenaar <bram@vim.org> parents: 6545 diff changeset	4018 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	4019 {
6547 436d6c9e57f2 updated for version 7.4.600 Bram Moolenaar <bram@vim.org> parents: 6545 diff changeset	4020 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	4021 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	4022 }
5372 c3d379c2a115 updated for version 7.4.037 Bram Moolenaar <bram@vim.org> parents: 5370 diff changeset	4023 }
c3d379c2a115 updated for version 7.4.037 Bram Moolenaar <bram@vim.org> parents: 5370 diff changeset	4024 else
c3d379c2a115 updated for version 7.4.037 Bram Moolenaar <bram@vim.org> parents: 5370 diff changeset	4025 {
c3d379c2a115 updated for version 7.4.037 Bram Moolenaar <bram@vim.org> parents: 5370 diff changeset	4026 if (from->list.line[0].end != NULL)
c3d379c2a115 updated for version 7.4.037 Bram Moolenaar <bram@vim.org> parents: 5370 diff changeset	4027 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	4028 }
c3d379c2a115 updated for version 7.4.037 Bram Moolenaar <bram@vim.org> parents: 5370 diff changeset	4029 }
c3d379c2a115 updated for version 7.4.037 Bram Moolenaar <bram@vim.org> parents: 5370 diff changeset	4030 }
c3d379c2a115 updated for version 7.4.037 Bram Moolenaar <bram@vim.org> parents: 5370 diff changeset	4031
c3d379c2a115 updated for version 7.4.037 Bram Moolenaar <bram@vim.org> parents: 5370 diff changeset	4032 /*
4893 07b9c48a30e9 updated for version 7.3.1192 Bram Moolenaar <bram@vim.org> parents: 4891 diff changeset	4033 * 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	4034 * 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	4035 */
857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	4036 static int
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	4037 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	4038 {
857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	4039 int i;
857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	4040 int todo;
4893 07b9c48a30e9 updated for version 7.3.1192 Bram Moolenaar <bram@vim.org> parents: 4891 diff changeset	4041 linenr_T s1;
07b9c48a30e9 updated for version 7.3.1192 Bram Moolenaar <bram@vim.org> parents: 4891 diff changeset	4042 linenr_T s2;
07b9c48a30e9 updated for version 7.3.1192 Bram Moolenaar <bram@vim.org> parents: 4891 diff changeset	4043 char_u *sp1;
07b9c48a30e9 updated for version 7.3.1192 Bram Moolenaar <bram@vim.org> parents: 4891 diff changeset	4044 char_u *sp2;
4647 857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	4045
857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	4046 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	4047 if (REG_MULTI)
857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	4048 {
857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	4049 for (i = 0; i < todo; ++i)
857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	4050 {
857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	4051 if (i < sub1->in_use)
6547 436d6c9e57f2 updated for version 7.4.600 Bram Moolenaar <bram@vim.org> parents: 6545 diff changeset	4052 s1 = sub1->list.multi[i].start_lnum;
4647 857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	4053 else
5006 f451d60ab8ec updated for version 7.3.1247 Bram Moolenaar <bram@vim.org> parents: 4997 diff changeset	4054 s1 = -1;
4647 857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	4055 if (i < sub2->in_use)
6547 436d6c9e57f2 updated for version 7.4.600 Bram Moolenaar <bram@vim.org> parents: 6545 diff changeset	4056 s2 = sub2->list.multi[i].start_lnum;
4647 857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	4057 else
5006 f451d60ab8ec updated for version 7.3.1247 Bram Moolenaar <bram@vim.org> parents: 4997 diff changeset	4058 s2 = -1;
4893 07b9c48a30e9 updated for version 7.3.1192 Bram Moolenaar <bram@vim.org> parents: 4891 diff changeset	4059 if (s1 != s2)
4647 857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	4060 return FALSE;
6547 436d6c9e57f2 updated for version 7.4.600 Bram Moolenaar <bram@vim.org> parents: 6545 diff changeset	4061 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	4062 != sub2->list.multi[i].start_col)
4647 857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	4063 return FALSE;
5893 99374096a76b updated for version 7.4.289 Bram Moolenaar <bram@vim.org> parents: 5838 diff changeset	4064
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	4065 if (rex.nfa_has_backref)
5893 99374096a76b updated for version 7.4.289 Bram Moolenaar <bram@vim.org> parents: 5838 diff changeset	4066 {
99374096a76b updated for version 7.4.289 Bram Moolenaar <bram@vim.org> parents: 5838 diff changeset	4067 if (i < sub1->in_use)
6547 436d6c9e57f2 updated for version 7.4.600 Bram Moolenaar <bram@vim.org> parents: 6545 diff changeset	4068 s1 = sub1->list.multi[i].end_lnum;
5893 99374096a76b updated for version 7.4.289 Bram Moolenaar <bram@vim.org> parents: 5838 diff changeset	4069 else
99374096a76b updated for version 7.4.289 Bram Moolenaar <bram@vim.org> parents: 5838 diff changeset	4070 s1 = -1;
99374096a76b updated for version 7.4.289 Bram Moolenaar <bram@vim.org> parents: 5838 diff changeset	4071 if (i < sub2->in_use)
6547 436d6c9e57f2 updated for version 7.4.600 Bram Moolenaar <bram@vim.org> parents: 6545 diff changeset	4072 s2 = sub2->list.multi[i].end_lnum;
5893 99374096a76b updated for version 7.4.289 Bram Moolenaar <bram@vim.org> parents: 5838 diff changeset	4073 else
99374096a76b updated for version 7.4.289 Bram Moolenaar <bram@vim.org> parents: 5838 diff changeset	4074 s2 = -1;
99374096a76b updated for version 7.4.289 Bram Moolenaar <bram@vim.org> parents: 5838 diff changeset	4075 if (s1 != s2)
99374096a76b updated for version 7.4.289 Bram Moolenaar <bram@vim.org> parents: 5838 diff changeset	4076 return FALSE;
6547 436d6c9e57f2 updated for version 7.4.600 Bram Moolenaar <bram@vim.org> parents: 6545 diff changeset	4077 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	4078 != sub2->list.multi[i].end_col)
5893 99374096a76b updated for version 7.4.289 Bram Moolenaar <bram@vim.org> parents: 5838 diff changeset	4079 return FALSE;
99374096a76b updated for version 7.4.289 Bram Moolenaar <bram@vim.org> parents: 5838 diff changeset	4080 }
4647 857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	4081 }
857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	4082 }
857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	4083 else
857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	4084 {
857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	4085 for (i = 0; i < todo; ++i)
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 if (i < sub1->in_use)
857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	4088 sp1 = sub1->list.line[i].start;
857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	4089 else
857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	4090 sp1 = NULL;
857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	4091 if (i < sub2->in_use)
857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	4092 sp2 = sub2->list.line[i].start;
857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	4093 else
857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	4094 sp2 = NULL;
4893 07b9c48a30e9 updated for version 7.3.1192 Bram Moolenaar <bram@vim.org> parents: 4891 diff changeset	4095 if (sp1 != sp2)
4647 857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	4096 return FALSE;
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	4097 if (rex.nfa_has_backref)
5893 99374096a76b updated for version 7.4.289 Bram Moolenaar <bram@vim.org> parents: 5838 diff changeset	4098 {
99374096a76b updated for version 7.4.289 Bram Moolenaar <bram@vim.org> parents: 5838 diff changeset	4099 if (i < sub1->in_use)
99374096a76b updated for version 7.4.289 Bram Moolenaar <bram@vim.org> parents: 5838 diff changeset	4100 sp1 = sub1->list.line[i].end;
99374096a76b updated for version 7.4.289 Bram Moolenaar <bram@vim.org> parents: 5838 diff changeset	4101 else
99374096a76b updated for version 7.4.289 Bram Moolenaar <bram@vim.org> parents: 5838 diff changeset	4102 sp1 = NULL;
99374096a76b updated for version 7.4.289 Bram Moolenaar <bram@vim.org> parents: 5838 diff changeset	4103 if (i < sub2->in_use)
99374096a76b updated for version 7.4.289 Bram Moolenaar <bram@vim.org> parents: 5838 diff changeset	4104 sp2 = sub2->list.line[i].end;
99374096a76b updated for version 7.4.289 Bram Moolenaar <bram@vim.org> parents: 5838 diff changeset	4105 else
99374096a76b updated for version 7.4.289 Bram Moolenaar <bram@vim.org> parents: 5838 diff changeset	4106 sp2 = NULL;
99374096a76b updated for version 7.4.289 Bram Moolenaar <bram@vim.org> parents: 5838 diff changeset	4107 if (sp1 != sp2)
99374096a76b updated for version 7.4.289 Bram Moolenaar <bram@vim.org> parents: 5838 diff changeset	4108 return FALSE;
99374096a76b updated for version 7.4.289 Bram Moolenaar <bram@vim.org> parents: 5838 diff changeset	4109 }
4647 857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	4110 }
857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	4111 }
857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	4112
857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	4113 return TRUE;
857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	4114 }
857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	4115
4712 832bf8136d86 updated for version 7.3.1103 Bram Moolenaar <bram@vim.org> parents: 4696 diff changeset	4116 #ifdef ENABLE_LOG
832bf8136d86 updated for version 7.3.1103 Bram Moolenaar <bram@vim.org> parents: 4696 diff changeset	4117 static void
4813 bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	4118 report_state(char *action,
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	4119 regsub_T *sub,
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	4120 nfa_state_T *state,
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	4121 int lid,
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	4122 nfa_pim_T *pim)
4712 832bf8136d86 updated for version 7.3.1103 Bram Moolenaar <bram@vim.org> parents: 4696 diff changeset	4123 {
832bf8136d86 updated for version 7.3.1103 Bram Moolenaar <bram@vim.org> parents: 4696 diff changeset	4124 int col;
832bf8136d86 updated for version 7.3.1103 Bram Moolenaar <bram@vim.org> parents: 4696 diff changeset	4125
832bf8136d86 updated for version 7.3.1103 Bram Moolenaar <bram@vim.org> parents: 4696 diff changeset	4126 if (sub->in_use <= 0)
832bf8136d86 updated for version 7.3.1103 Bram Moolenaar <bram@vim.org> parents: 4696 diff changeset	4127 col = -1;
832bf8136d86 updated for version 7.3.1103 Bram Moolenaar <bram@vim.org> parents: 4696 diff changeset	4128 else if (REG_MULTI)
6547 436d6c9e57f2 updated for version 7.4.600 Bram Moolenaar <bram@vim.org> parents: 6545 diff changeset	4129 col = sub->list.multi[0].start_col;
4712 832bf8136d86 updated for version 7.3.1103 Bram Moolenaar <bram@vim.org> parents: 4696 diff changeset	4130 else
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	4131 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	4132 nfa_set_code(state->c);
4813 bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	4133 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	4134 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	4135 pim_info(pim));
4712 832bf8136d86 updated for version 7.3.1103 Bram Moolenaar <bram@vim.org> parents: 4696 diff changeset	4136 }
832bf8136d86 updated for version 7.3.1103 Bram Moolenaar <bram@vim.org> parents: 4696 diff changeset	4137 #endif
832bf8136d86 updated for version 7.3.1103 Bram Moolenaar <bram@vim.org> parents: 4696 diff changeset	4138
4787 7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	4139 /*
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	4140 * 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	4141 * positions as "subs".
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 static int
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	4144 has_state_with_pos(
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	4145 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	4146 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	4147 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	4148 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	4149 {
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	4150 nfa_thread_T *thread;
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	4151 int i;
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	4152
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	4153 for (i = 0; i < l->n; ++i)
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	4154 {
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	4155 thread = &l->t[i];
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	4156 if (thread->state->id == state->id
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	4157 && sub_equal(&thread->subs.norm, &subs->norm)
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	4158 #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	4159 && (!rex.nfa_has_zsubexpr
4893 07b9c48a30e9 updated for version 7.3.1192 Bram Moolenaar <bram@vim.org> parents: 4891 diff changeset	4160 \|\| sub_equal(&thread->subs.synt, &subs->synt))
4787 7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	4161 #endif
5212 2741b46e96bf updated for version 7.4a.032 Bram Moolenaar <bram@vim.org> parents: 5210 diff changeset	4162 && pim_equal(&thread->pim, pim))
4787 7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	4163 return TRUE;
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	4164 }
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	4165 return FALSE;
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	4166 }
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	4167
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	4168 /*
5212 2741b46e96bf updated for version 7.4a.032 Bram Moolenaar <bram@vim.org> parents: 5210 diff changeset	4169 * 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	4170 * set.
2741b46e96bf updated for version 7.4a.032 Bram Moolenaar <bram@vim.org> parents: 5210 diff changeset	4171 */
2741b46e96bf updated for version 7.4a.032 Bram Moolenaar <bram@vim.org> parents: 5210 diff changeset	4172 static int
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	4173 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	4174 {
2741b46e96bf updated for version 7.4a.032 Bram Moolenaar <bram@vim.org> parents: 5210 diff changeset	4175 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	4176 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	4177
2741b46e96bf updated for version 7.4a.032 Bram Moolenaar <bram@vim.org> parents: 5210 diff changeset	4178 if (one_unused)
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	4179 // 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	4180 return two_unused;
2741b46e96bf updated for version 7.4a.032 Bram Moolenaar <bram@vim.org> parents: 5210 diff changeset	4181 if (two_unused)
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	4182 // 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	4183 return FALSE;
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	4184 // compare the state id
5298 e29f11399cce updated for version 7.4.002 Bram Moolenaar <bram@vim.org> parents: 5296 diff changeset	4185 if (one->state->id != two->state->id)
e29f11399cce updated for version 7.4.002 Bram Moolenaar <bram@vim.org> parents: 5296 diff changeset	4186 return FALSE;
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	4187 // compare the position
5212 2741b46e96bf updated for version 7.4a.032 Bram Moolenaar <bram@vim.org> parents: 5210 diff changeset	4188 if (REG_MULTI)
2741b46e96bf updated for version 7.4a.032 Bram Moolenaar <bram@vim.org> parents: 5210 diff changeset	4189 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	4190 && one->end.pos.col == two->end.pos.col;
2741b46e96bf updated for version 7.4a.032 Bram Moolenaar <bram@vim.org> parents: 5210 diff changeset	4191 return one->end.ptr == two->end.ptr;
2741b46e96bf updated for version 7.4a.032 Bram Moolenaar <bram@vim.org> parents: 5210 diff changeset	4192 }
2741b46e96bf updated for version 7.4a.032 Bram Moolenaar <bram@vim.org> parents: 5210 diff changeset	4193
2741b46e96bf updated for version 7.4a.032 Bram Moolenaar <bram@vim.org> parents: 5210 diff changeset	4194 /*
4809 4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4195 * 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	4196 */
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4197 static int
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	4198 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	4199 {
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4200 nfa_state_T *state = startstate;
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4201
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	4202 // avoid too much recursion
4809 4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4203 if (depth > 10)
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4204 return FALSE;
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4205
5184 c6dd0c545e5c updated for version 7.4a.018 Bram Moolenaar <bram@vim.org> parents: 5074 diff changeset	4206 while (state != NULL)
4809 4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4207 {
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4208 switch (state->c)
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_MATCH:
4813 bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	4211 case NFA_MCLOSE:
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	4212 case NFA_END_INVISIBLE:
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	4213 case NFA_END_INVISIBLE_NEG:
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	4214 case NFA_END_PATTERN:
4809 4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4215 return TRUE;
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4216
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4217 case NFA_SPLIT:
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4218 return match_follows(state->out, depth + 1)
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4219 \|\| match_follows(state->out1, depth + 1);
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4220
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4221 case NFA_START_INVISIBLE:
4845 a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	4222 case NFA_START_INVISIBLE_FIRST:
4809 4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4223 case NFA_START_INVISIBLE_BEFORE:
4845 a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	4224 case NFA_START_INVISIBLE_BEFORE_FIRST:
4809 4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4225 case NFA_START_INVISIBLE_NEG:
4845 a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	4226 case NFA_START_INVISIBLE_NEG_FIRST:
4809 4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4227 case NFA_START_INVISIBLE_BEFORE_NEG:
4845 a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	4228 case NFA_START_INVISIBLE_BEFORE_NEG_FIRST:
4809 4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4229 case NFA_COMPOSING:
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	4230 // skip ahead to next state
4809 4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4231 state = state->out1->out;
5184 c6dd0c545e5c updated for version 7.4a.018 Bram Moolenaar <bram@vim.org> parents: 5074 diff changeset	4232 continue;
4809 4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4233
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4234 case NFA_ANY:
5901 10fc95f48546 updated for version 7.4.293 Bram Moolenaar <bram@vim.org> parents: 5895 diff changeset	4235 case NFA_ANY_COMPOSING:
4809 4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4236 case NFA_IDENT:
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4237 case NFA_SIDENT:
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4238 case NFA_KWORD:
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4239 case NFA_SKWORD:
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4240 case NFA_FNAME:
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4241 case NFA_SFNAME:
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4242 case NFA_PRINT:
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4243 case NFA_SPRINT:
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4244 case NFA_WHITE:
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4245 case NFA_NWHITE:
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4246 case NFA_DIGIT:
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4247 case NFA_NDIGIT:
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4248 case NFA_HEX:
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4249 case NFA_NHEX:
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4250 case NFA_OCTAL:
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4251 case NFA_NOCTAL:
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4252 case NFA_WORD:
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4253 case NFA_NWORD:
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4254 case NFA_HEAD:
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4255 case NFA_NHEAD:
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4256 case NFA_ALPHA:
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4257 case NFA_NALPHA:
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4258 case NFA_LOWER:
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4259 case NFA_NLOWER:
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4260 case NFA_UPPER:
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4261 case NFA_NUPPER:
5296 3e9107b86b68 updated for version 7.4.001 Bram Moolenaar <bram@vim.org> parents: 5255 diff changeset	4262 case NFA_LOWER_IC:
3e9107b86b68 updated for version 7.4.001 Bram Moolenaar <bram@vim.org> parents: 5255 diff changeset	4263 case NFA_NLOWER_IC:
3e9107b86b68 updated for version 7.4.001 Bram Moolenaar <bram@vim.org> parents: 5255 diff changeset	4264 case NFA_UPPER_IC:
3e9107b86b68 updated for version 7.4.001 Bram Moolenaar <bram@vim.org> parents: 5255 diff changeset	4265 case NFA_NUPPER_IC:
4809 4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4266 case NFA_START_COLL:
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4267 case NFA_START_NEG_COLL:
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4268 case NFA_NEWL:
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	4269 // state will advance input
4809 4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4270 return FALSE;
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4271
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4272 default:
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4273 if (state->c > 0)
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	4274 // state will advance input
4809 4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4275 return FALSE;
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4276
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	4277 // 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	4278 // 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	4279 break;
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4280 }
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4281 state = state->out;
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4282 }
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4283 return FALSE;
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4284 }
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4285
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4286
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4287 /*
4787 7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	4288 * 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	4289 */
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	4290 static int
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	4291 state_in_list(
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	4292 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	4293 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	4294 regsubs_T *subs) // pointers to subexpressions
4787 7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	4295 {
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	4296 if (state->lastlist[nfa_ll_index] == l->id)
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	4297 {
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	4298 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	4299 return TRUE;
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	4300 }
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	4301 return FALSE;
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	4302 }
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	4303
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	4304 // 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	4305 #define ADDSTATE_HERE_OFFSET 10
4acacf4081ce commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce Christian Brabandt <cb@256bit.org> parents: 10168 diff changeset	4306
5074 1cacf785299e updated for version 7.3.1280 Bram Moolenaar <bram@vim.org> parents: 5058 diff changeset	4307 /*
1cacf785299e updated for version 7.3.1280 Bram Moolenaar <bram@vim.org> parents: 5058 diff changeset	4308 * 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	4309 * 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	4310 * Returns NULL when recursiveness is too deep.
5074 1cacf785299e updated for version 7.3.1280 Bram Moolenaar <bram@vim.org> parents: 5058 diff changeset	4311 */
1cacf785299e updated for version 7.3.1280 Bram Moolenaar <bram@vim.org> parents: 5058 diff changeset	4312 static regsubs_T *
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	4313 addstate(
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	4314 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	4315 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	4316 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	4317 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	4318 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	4319 {
4561 4d81fdda8f35 updated for version 7.3.1028 Bram Moolenaar <bram@vim.org> parents: 4559 diff changeset	4320 int subidx;
10170 4acacf4081ce commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce Christian Brabandt <cb@256bit.org> parents: 10168 diff changeset	4321 int off = off_arg;
4acacf4081ce commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce Christian Brabandt <cb@256bit.org> parents: 10168 diff changeset	4322 int add_here = FALSE;
4acacf4081ce commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce Christian Brabandt <cb@256bit.org> parents: 10168 diff changeset	4323 int listindex = 0;
4acacf4081ce commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce Christian Brabandt <cb@256bit.org> parents: 10168 diff changeset	4324 int k;
4acacf4081ce commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce Christian Brabandt <cb@256bit.org> parents: 10168 diff changeset	4325 int found = FALSE;
4647 857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	4326 nfa_thread_T *thread;
10168 3c37899baa8d commit https://github.com/vim/vim/commit/d563883a1fb5ec6cf4a2758c5e36ac1ff4e9bb3d Christian Brabandt <cb@256bit.org> parents: 10042 diff changeset	4327 struct multipos save_multipos;
4563 e7016af0cbf9 updated for version 7.3.1029 Bram Moolenaar <bram@vim.org> parents: 4561 diff changeset	4328 int save_in_use;
4561 4d81fdda8f35 updated for version 7.3.1028 Bram Moolenaar <bram@vim.org> parents: 4559 diff changeset	4329 char_u *save_ptr;
4563 e7016af0cbf9 updated for version 7.3.1029 Bram Moolenaar <bram@vim.org> parents: 4561 diff changeset	4330 int i;
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4331 regsub_T *sub;
5074 1cacf785299e updated for version 7.3.1280 Bram Moolenaar <bram@vim.org> parents: 5058 diff changeset	4332 regsubs_T *subs = subs_arg;
1cacf785299e updated for version 7.3.1280 Bram Moolenaar <bram@vim.org> parents: 5058 diff changeset	4333 static regsubs_T temp_subs;
4657 93b7ed814bec updated for version 7.3.1076 Bram Moolenaar <bram@vim.org> parents: 4655 diff changeset	4334 #ifdef ENABLE_LOG
93b7ed814bec updated for version 7.3.1076 Bram Moolenaar <bram@vim.org> parents: 4655 diff changeset	4335 int did_print = FALSE;
93b7ed814bec updated for version 7.3.1076 Bram Moolenaar <bram@vim.org> parents: 4655 diff changeset	4336 #endif
15796 481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	4337 static int depth = 0;
481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	4338
481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	4339 // 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	4340 // 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	4341 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	4342 {
481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	4343 --depth;
481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	4344 return NULL;
481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	4345 }
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4346
10170 4acacf4081ce commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce Christian Brabandt <cb@256bit.org> parents: 10168 diff changeset	4347 if (off_arg <= -ADDSTATE_HERE_OFFSET)
4acacf4081ce commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce Christian Brabandt <cb@256bit.org> parents: 10168 diff changeset	4348 {
4acacf4081ce commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce Christian Brabandt <cb@256bit.org> parents: 10168 diff changeset	4349 add_here = TRUE;
4acacf4081ce commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce Christian Brabandt <cb@256bit.org> parents: 10168 diff changeset	4350 off = 0;
4acacf4081ce commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce Christian Brabandt <cb@256bit.org> parents: 10168 diff changeset	4351 listindex = -(off_arg + ADDSTATE_HERE_OFFSET);
4acacf4081ce commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce Christian Brabandt <cb@256bit.org> parents: 10168 diff changeset	4352 }
4acacf4081ce commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce Christian Brabandt <cb@256bit.org> parents: 10168 diff changeset	4353
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4354 switch (state->c)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4355 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4356 case NFA_NCLOSE:
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4357 case NFA_MCLOSE:
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4358 case NFA_MCLOSE1:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4359 case NFA_MCLOSE2:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4360 case NFA_MCLOSE3:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4361 case NFA_MCLOSE4:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4362 case NFA_MCLOSE5:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4363 case NFA_MCLOSE6:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4364 case NFA_MCLOSE7:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4365 case NFA_MCLOSE8:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4366 case NFA_MCLOSE9:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4367 #ifdef FEAT_SYN_HL
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4368 case NFA_ZCLOSE:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4369 case NFA_ZCLOSE1:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4370 case NFA_ZCLOSE2:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4371 case NFA_ZCLOSE3:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4372 case NFA_ZCLOSE4:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4373 case NFA_ZCLOSE5:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4374 case NFA_ZCLOSE6:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4375 case NFA_ZCLOSE7:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4376 case NFA_ZCLOSE8:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4377 case NFA_ZCLOSE9:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4378 #endif
5251 2e63b6c763f7 updated for version 7.4b.002 Bram Moolenaar <bram@vim.org> parents: 5227 diff changeset	4379 case NFA_MOPEN:
4748 4b9503f0c7d3 updated for version 7.3.1121 Bram Moolenaar <bram@vim.org> parents: 4746 diff changeset	4380 case NFA_ZEND:
4815 6419ee8098c8 updated for version 7.3.1154 Bram Moolenaar <bram@vim.org> parents: 4813 diff changeset	4381 case NFA_SPLIT:
5370 90e2f0729a0d updated for version 7.4.036 Bram Moolenaar <bram@vim.org> parents: 5360 diff changeset	4382 case NFA_EMPTY:
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	4383 // 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	4384 // "out1" may be added below.
4571 b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	4385 break;
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	4386
5251 2e63b6c763f7 updated for version 7.4b.002 Bram Moolenaar <bram@vim.org> parents: 5227 diff changeset	4387 case NFA_BOL:
2e63b6c763f7 updated for version 7.4b.002 Bram Moolenaar <bram@vim.org> parents: 5227 diff changeset	4388 case NFA_BOF:
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	4389 // "^" 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	4390 // 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	4391 // 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	4392 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	4393 && *rex.input != NUL
5251 2e63b6c763f7 updated for version 7.4b.002 Bram Moolenaar <bram@vim.org> parents: 5227 diff changeset	4394 && (nfa_endp == NULL
2e63b6c763f7 updated for version 7.4b.002 Bram Moolenaar <bram@vim.org> parents: 5227 diff changeset	4395 \|\| !REG_MULTI
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	4396 \|\| 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	4397 goto skip_add;
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	4398 // FALLTHROUGH
5251 2e63b6c763f7 updated for version 7.4b.002 Bram Moolenaar <bram@vim.org> parents: 5227 diff changeset	4399
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4400 case NFA_MOPEN1:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4401 case NFA_MOPEN2:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4402 case NFA_MOPEN3:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4403 case NFA_MOPEN4:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4404 case NFA_MOPEN5:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4405 case NFA_MOPEN6:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4406 case NFA_MOPEN7:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4407 case NFA_MOPEN8:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4408 case NFA_MOPEN9:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4409 #ifdef FEAT_SYN_HL
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4410 case NFA_ZOPEN:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4411 case NFA_ZOPEN1:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4412 case NFA_ZOPEN2:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4413 case NFA_ZOPEN3:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4414 case NFA_ZOPEN4:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4415 case NFA_ZOPEN5:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4416 case NFA_ZOPEN6:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4417 case NFA_ZOPEN7:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4418 case NFA_ZOPEN8:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4419 case NFA_ZOPEN9:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4420 #endif
5251 2e63b6c763f7 updated for version 7.4b.002 Bram Moolenaar <bram@vim.org> parents: 5227 diff changeset	4421 case NFA_NOPEN:
4748 4b9503f0c7d3 updated for version 7.3.1121 Bram Moolenaar <bram@vim.org> parents: 4746 diff changeset	4422 case NFA_ZSTART:
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	4423 // 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	4424 // 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	4425 // endless loop for "*"
4694 efc4fb311d5d updated for version 7.3.1094 Bram Moolenaar <bram@vim.org> parents: 4692 diff changeset	4426
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4427 default:
5502 5ad60cd88339 updated for version 7.4.100 Bram Moolenaar <bram@vim.org> parents: 5401 diff changeset	4428 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	4429 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	4430 // 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	4431 // 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	4432 // 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	4433 // 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	4434 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	4435 && state->c != NFA_MATCH)
4657 93b7ed814bec updated for version 7.3.1076 Bram Moolenaar <bram@vim.org> parents: 4655 diff changeset	4436 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	4437 // 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	4438 // existing states.
10170 4acacf4081ce commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce Christian Brabandt <cb@256bit.org> parents: 10168 diff changeset	4439 if (add_here)
4acacf4081ce commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce Christian Brabandt <cb@256bit.org> parents: 10168 diff changeset	4440 {
4acacf4081ce commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce Christian Brabandt <cb@256bit.org> parents: 10168 diff changeset	4441 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	4442 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	4443 {
4acacf4081ce commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce Christian Brabandt <cb@256bit.org> parents: 10168 diff changeset	4444 found = TRUE;
4acacf4081ce commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce Christian Brabandt <cb@256bit.org> parents: 10168 diff changeset	4445 break;
4acacf4081ce commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce Christian Brabandt <cb@256bit.org> parents: 10168 diff changeset	4446 }
4acacf4081ce commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce Christian Brabandt <cb@256bit.org> parents: 10168 diff changeset	4447 }
4acacf4081ce commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce Christian Brabandt <cb@256bit.org> parents: 10168 diff changeset	4448 if (!add_here \|\| found)
4acacf4081ce commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce Christian Brabandt <cb@256bit.org> parents: 10168 diff changeset	4449 {
4657 93b7ed814bec updated for version 7.3.1076 Bram Moolenaar <bram@vim.org> parents: 4655 diff changeset	4450 skip_add:
93b7ed814bec updated for version 7.3.1076 Bram Moolenaar <bram@vim.org> parents: 4655 diff changeset	4451 #ifdef ENABLE_LOG
10170 4acacf4081ce commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce Christian Brabandt <cb@256bit.org> parents: 10168 diff changeset	4452 nfa_set_code(state->c);
4acacf4081ce commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce Christian Brabandt <cb@256bit.org> parents: 10168 diff changeset	4453 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	4454 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	4455 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	4456 #endif
15796 481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	4457 --depth;
10170 4acacf4081ce commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce Christian Brabandt <cb@256bit.org> parents: 10168 diff changeset	4458 return subs;
4acacf4081ce commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce Christian Brabandt <cb@256bit.org> parents: 10168 diff changeset	4459 }
4657 93b7ed814bec updated for version 7.3.1076 Bram Moolenaar <bram@vim.org> parents: 4655 diff changeset	4460 }
4647 857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	4461
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	4462 // 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	4463 // positions.
5212 2741b46e96bf updated for version 7.4a.032 Bram Moolenaar <bram@vim.org> parents: 5210 diff changeset	4464 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	4465 goto skip_add;
4647 857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	4466 }
857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	4467
15812 3808b583889e patch 8.1.0913: CI crashes when running out of memory Bram Moolenaar <Bram@vim.org> parents: 15806 diff changeset	4468 // 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	4469 // be (a lot) bigger than anticipated.
5006 f451d60ab8ec updated for version 7.3.1247 Bram Moolenaar <bram@vim.org> parents: 4997 diff changeset	4470 if (l->n == l->len)
4647 857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	4471 {
15806 6a4e9d9f1d66 patch 8.1.0910: crash with tricky search pattern Bram Moolenaar <Bram@vim.org> parents: 15802 diff changeset	4472 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	4473 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	4474 nfa_thread_T *newt;
4647 857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	4475
15812 3808b583889e patch 8.1.0913: CI crashes when running out of memory Bram Moolenaar <Bram@vim.org> parents: 15806 diff changeset	4476 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	4477 {
3808b583889e patch 8.1.0913: CI crashes when running out of memory Bram Moolenaar <Bram@vim.org> parents: 15806 diff changeset	4478 emsg(_(e_maxmempat));
3808b583889e patch 8.1.0913: CI crashes when running out of memory Bram Moolenaar <Bram@vim.org> parents: 15806 diff changeset	4479 --depth;
3808b583889e patch 8.1.0913: CI crashes when running out of memory Bram Moolenaar <Bram@vim.org> parents: 15806 diff changeset	4480 return NULL;
3808b583889e patch 8.1.0913: CI crashes when running out of memory Bram Moolenaar <Bram@vim.org> parents: 15806 diff changeset	4481 }
5074 1cacf785299e updated for version 7.3.1280 Bram Moolenaar <bram@vim.org> parents: 5058 diff changeset	4482 if (subs != &temp_subs)
1cacf785299e updated for version 7.3.1280 Bram Moolenaar <bram@vim.org> parents: 5058 diff changeset	4483 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	4484 // "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	4485 // copy before it becomes invalid.
5074 1cacf785299e updated for version 7.3.1280 Bram Moolenaar <bram@vim.org> parents: 5058 diff changeset	4486 copy_sub(&temp_subs.norm, &subs->norm);
1cacf785299e updated for version 7.3.1280 Bram Moolenaar <bram@vim.org> parents: 5058 diff changeset	4487 #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	4488 if (rex.nfa_has_zsubexpr)
5074 1cacf785299e updated for version 7.3.1280 Bram Moolenaar <bram@vim.org> parents: 5058 diff changeset	4489 copy_sub(&temp_subs.synt, &subs->synt);
1cacf785299e updated for version 7.3.1280 Bram Moolenaar <bram@vim.org> parents: 5058 diff changeset	4490 #endif
1cacf785299e updated for version 7.3.1280 Bram Moolenaar <bram@vim.org> parents: 5058 diff changeset	4491 subs = &temp_subs;
1cacf785299e updated for version 7.3.1280 Bram Moolenaar <bram@vim.org> parents: 5058 diff changeset	4492 }
1cacf785299e updated for version 7.3.1280 Bram Moolenaar <bram@vim.org> parents: 5058 diff changeset	4493
15812 3808b583889e patch 8.1.0913: CI crashes when running out of memory Bram Moolenaar <Bram@vim.org> parents: 15806 diff changeset	4494 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	4495 if (newt == NULL)
6a4e9d9f1d66 patch 8.1.0910: crash with tricky search pattern Bram Moolenaar <Bram@vim.org> parents: 15802 diff changeset	4496 {
6a4e9d9f1d66 patch 8.1.0910: crash with tricky search pattern Bram Moolenaar <Bram@vim.org> parents: 15802 diff changeset	4497 // out of memory
6a4e9d9f1d66 patch 8.1.0910: crash with tricky search pattern Bram Moolenaar <Bram@vim.org> parents: 15802 diff changeset	4498 --depth;
6a4e9d9f1d66 patch 8.1.0910: crash with tricky search pattern Bram Moolenaar <Bram@vim.org> parents: 15802 diff changeset	4499 return NULL;
6a4e9d9f1d66 patch 8.1.0910: crash with tricky search pattern Bram Moolenaar <Bram@vim.org> parents: 15802 diff changeset	4500 }
6a4e9d9f1d66 patch 8.1.0910: crash with tricky search pattern Bram Moolenaar <Bram@vim.org> parents: 15802 diff changeset	4501 l->t = newt;
4647 857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	4502 l->len = newlen;
4571 b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	4503 }
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	4504
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	4505 // add the state to the list
4718 ec72bb4a0fc2 updated for version 7.3.1106 Bram Moolenaar <bram@vim.org> parents: 4716 diff changeset	4506 state->lastlist[nfa_ll_index] = l->id;
4647 857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	4507 thread = &l->t[l->n++];
857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	4508 thread->state = state;
4813 bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	4509 if (pim == NULL)
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	4510 thread->pim.result = NFA_PIM_UNUSED;
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	4511 else
5227 a08fa2919f2b updated for version 7.4a.039 Bram Moolenaar <bram@vim.org> parents: 5221 diff changeset	4512 {
4813 bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	4513 copy_pim(&thread->pim, pim);
5227 a08fa2919f2b updated for version 7.4a.039 Bram Moolenaar <bram@vim.org> parents: 5221 diff changeset	4514 l->has_pim = TRUE;
a08fa2919f2b updated for version 7.4a.039 Bram Moolenaar <bram@vim.org> parents: 5221 diff changeset	4515 }
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4516 copy_sub(&thread->subs.norm, &subs->norm);
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4517 #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	4518 if (rex.nfa_has_zsubexpr)
4712 832bf8136d86 updated for version 7.3.1103 Bram Moolenaar <bram@vim.org> parents: 4696 diff changeset	4519 copy_sub(&thread->subs.synt, &subs->synt);
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4520 #endif
4657 93b7ed814bec updated for version 7.3.1076 Bram Moolenaar <bram@vim.org> parents: 4655 diff changeset	4521 #ifdef ENABLE_LOG
4813 bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	4522 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	4523 did_print = TRUE;
4657 93b7ed814bec updated for version 7.3.1076 Bram Moolenaar <bram@vim.org> parents: 4655 diff changeset	4524 #endif
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4525 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4526
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4527 #ifdef ENABLE_LOG
4657 93b7ed814bec updated for version 7.3.1076 Bram Moolenaar <bram@vim.org> parents: 4655 diff changeset	4528 if (!did_print)
4813 bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	4529 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	4530 #endif
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4531 switch (state->c)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4532 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4533 case NFA_MATCH:
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4534 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4535
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4536 case NFA_SPLIT:
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	4537 // order matters here
10170 4acacf4081ce commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce Christian Brabandt <cb@256bit.org> parents: 10168 diff changeset	4538 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	4539 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	4540 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4541
5370 90e2f0729a0d updated for version 7.4.036 Bram Moolenaar <bram@vim.org> parents: 5360 diff changeset	4542 case NFA_EMPTY:
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4543 case NFA_NOPEN:
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4544 case NFA_NCLOSE:
10170 4acacf4081ce commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce Christian Brabandt <cb@256bit.org> parents: 10168 diff changeset	4545 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	4546 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4547
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4548 case NFA_MOPEN:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4549 case NFA_MOPEN1:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4550 case NFA_MOPEN2:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4551 case NFA_MOPEN3:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4552 case NFA_MOPEN4:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4553 case NFA_MOPEN5:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4554 case NFA_MOPEN6:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4555 case NFA_MOPEN7:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4556 case NFA_MOPEN8:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4557 case NFA_MOPEN9:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4558 #ifdef FEAT_SYN_HL
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4559 case NFA_ZOPEN:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4560 case NFA_ZOPEN1:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4561 case NFA_ZOPEN2:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4562 case NFA_ZOPEN3:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4563 case NFA_ZOPEN4:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4564 case NFA_ZOPEN5:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4565 case NFA_ZOPEN6:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4566 case NFA_ZOPEN7:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4567 case NFA_ZOPEN8:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4568 case NFA_ZOPEN9:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4569 #endif
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4570 case NFA_ZSTART:
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4571 if (state->c == NFA_ZSTART)
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4572 {
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4573 subidx = 0;
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4574 sub = &subs->norm;
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4575 }
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4576 #ifdef FEAT_SYN_HL
5300 560a6a232950 updated for version 7.4.003 Bram Moolenaar <bram@vim.org> parents: 5298 diff changeset	4577 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	4578 {
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4579 subidx = state->c - NFA_ZOPEN;
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4580 sub = &subs->synt;
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4581 }
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4582 #endif
4561 4d81fdda8f35 updated for version 7.3.1028 Bram Moolenaar <bram@vim.org> parents: 4559 diff changeset	4583 else
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4584 {
4561 4d81fdda8f35 updated for version 7.3.1028 Bram Moolenaar <bram@vim.org> parents: 4559 diff changeset	4585 subidx = state->c - NFA_MOPEN;
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4586 sub = &subs->norm;
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4587 }
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4588
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	4589 // avoid compiler warnings
5210 839ebe7c1b2f updated for version 7.4a.031 Bram Moolenaar <bram@vim.org> parents: 5188 diff changeset	4590 save_ptr = NULL;
20007 aadd1cae2ff5 patch 8.2.0559: clearing a struct is verbose Bram Moolenaar <Bram@vim.org> parents: 19405 diff changeset	4591 CLEAR_FIELD(save_multipos);
5210 839ebe7c1b2f updated for version 7.4a.031 Bram Moolenaar <bram@vim.org> parents: 5188 diff changeset	4592
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	4593 // 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	4594 // 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	4595 if (REG_MULTI)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4596 {
4571 b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	4597 if (subidx < sub->in_use)
4563 e7016af0cbf9 updated for version 7.3.1029 Bram Moolenaar <bram@vim.org> parents: 4561 diff changeset	4598 {
10168 3c37899baa8d commit https://github.com/vim/vim/commit/d563883a1fb5ec6cf4a2758c5e36ac1ff4e9bb3d Christian Brabandt <cb@256bit.org> parents: 10042 diff changeset	4599 save_multipos = sub->list.multi[subidx];
4563 e7016af0cbf9 updated for version 7.3.1029 Bram Moolenaar <bram@vim.org> parents: 4561 diff changeset	4600 save_in_use = -1;
e7016af0cbf9 updated for version 7.3.1029 Bram Moolenaar <bram@vim.org> parents: 4561 diff changeset	4601 }
e7016af0cbf9 updated for version 7.3.1029 Bram Moolenaar <bram@vim.org> parents: 4561 diff changeset	4602 else
e7016af0cbf9 updated for version 7.3.1029 Bram Moolenaar <bram@vim.org> parents: 4561 diff changeset	4603 {
4571 b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	4604 save_in_use = sub->in_use;
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	4605 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	4606 {
6547 436d6c9e57f2 updated for version 7.4.600 Bram Moolenaar <bram@vim.org> parents: 6545 diff changeset	4607 sub->list.multi[i].start_lnum = -1;
436d6c9e57f2 updated for version 7.4.600 Bram Moolenaar <bram@vim.org> parents: 6545 diff changeset	4608 sub->list.multi[i].end_lnum = -1;
4563 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 sub->in_use = subidx + 1;
4563 e7016af0cbf9 updated for version 7.3.1029 Bram Moolenaar <bram@vim.org> parents: 4561 diff changeset	4611 }
4515 90e9917d4114 updated for version 7.3.1005 Bram Moolenaar <bram@vim.org> parents: 4507 diff changeset	4612 if (off == -1)
90e9917d4114 updated for version 7.3.1005 Bram Moolenaar <bram@vim.org> parents: 4507 diff changeset	4613 {
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	4614 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	4615 sub->list.multi[subidx].start_col = 0;
4515 90e9917d4114 updated for version 7.3.1005 Bram Moolenaar <bram@vim.org> parents: 4507 diff changeset	4616 }
90e9917d4114 updated for version 7.3.1005 Bram Moolenaar <bram@vim.org> parents: 4507 diff changeset	4617 else
90e9917d4114 updated for version 7.3.1005 Bram Moolenaar <bram@vim.org> parents: 4507 diff changeset	4618 {
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	4619 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	4620 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	4621 (colnr_T)(rex.input - rex.line + off);
4515 90e9917d4114 updated for version 7.3.1005 Bram Moolenaar <bram@vim.org> parents: 4507 diff changeset	4622 }
7152 cbdc02d71a18 commit https://github.com/vim/vim/commit/c2b717ebd6719e722dcb5f10e4c74033a53ff7c7 Christian Brabandt <cb@256bit.org> parents: 6914 diff changeset	4623 sub->list.multi[subidx].end_lnum = -1;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4624 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4625 else
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4626 {
4571 b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	4627 if (subidx < sub->in_use)
4563 e7016af0cbf9 updated for version 7.3.1029 Bram Moolenaar <bram@vim.org> parents: 4561 diff changeset	4628 {
4577 b22bff1a6af8 updated for version 7.3.1036 Bram Moolenaar <bram@vim.org> parents: 4573 diff changeset	4629 save_ptr = sub->list.line[subidx].start;
4563 e7016af0cbf9 updated for version 7.3.1029 Bram Moolenaar <bram@vim.org> parents: 4561 diff changeset	4630 save_in_use = -1;
e7016af0cbf9 updated for version 7.3.1029 Bram Moolenaar <bram@vim.org> parents: 4561 diff changeset	4631 }
e7016af0cbf9 updated for version 7.3.1029 Bram Moolenaar <bram@vim.org> parents: 4561 diff changeset	4632 else
e7016af0cbf9 updated for version 7.3.1029 Bram Moolenaar <bram@vim.org> parents: 4561 diff changeset	4633 {
4571 b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	4634 save_in_use = sub->in_use;
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	4635 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	4636 {
4577 b22bff1a6af8 updated for version 7.3.1036 Bram Moolenaar <bram@vim.org> parents: 4573 diff changeset	4637 sub->list.line[i].start = NULL;
b22bff1a6af8 updated for version 7.3.1036 Bram Moolenaar <bram@vim.org> parents: 4573 diff changeset	4638 sub->list.line[i].end = NULL;
4563 e7016af0cbf9 updated for version 7.3.1029 Bram Moolenaar <bram@vim.org> parents: 4561 diff changeset	4639 }
4571 b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	4640 sub->in_use = subidx + 1;
4563 e7016af0cbf9 updated for version 7.3.1029 Bram Moolenaar <bram@vim.org> parents: 4561 diff changeset	4641 }
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	4642 sub->list.line[subidx].start = rex.input + off;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4643 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4644
10170 4acacf4081ce commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce Christian Brabandt <cb@256bit.org> parents: 10168 diff changeset	4645 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	4646 if (subs == NULL)
481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	4647 break;
481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	4648 // "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	4649 #ifdef FEAT_SYN_HL
560a6a232950 updated for version 7.4.003 Bram Moolenaar <bram@vim.org> parents: 5298 diff changeset	4650 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	4651 sub = &subs->synt;
560a6a232950 updated for version 7.4.003 Bram Moolenaar <bram@vim.org> parents: 5298 diff changeset	4652 else
560a6a232950 updated for version 7.4.003 Bram Moolenaar <bram@vim.org> parents: 5298 diff changeset	4653 #endif
560a6a232950 updated for version 7.4.003 Bram Moolenaar <bram@vim.org> parents: 5298 diff changeset	4654 sub = &subs->norm;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4655
4563 e7016af0cbf9 updated for version 7.3.1029 Bram Moolenaar <bram@vim.org> parents: 4561 diff changeset	4656 if (save_in_use == -1)
e7016af0cbf9 updated for version 7.3.1029 Bram Moolenaar <bram@vim.org> parents: 4561 diff changeset	4657 {
e7016af0cbf9 updated for version 7.3.1029 Bram Moolenaar <bram@vim.org> parents: 4561 diff changeset	4658 if (REG_MULTI)
10168 3c37899baa8d commit https://github.com/vim/vim/commit/d563883a1fb5ec6cf4a2758c5e36ac1ff4e9bb3d Christian Brabandt <cb@256bit.org> parents: 10042 diff changeset	4659 sub->list.multi[subidx] = save_multipos;
4563 e7016af0cbf9 updated for version 7.3.1029 Bram Moolenaar <bram@vim.org> parents: 4561 diff changeset	4660 else
4577 b22bff1a6af8 updated for version 7.3.1036 Bram Moolenaar <bram@vim.org> parents: 4573 diff changeset	4661 sub->list.line[subidx].start = save_ptr;
4563 e7016af0cbf9 updated for version 7.3.1029 Bram Moolenaar <bram@vim.org> parents: 4561 diff changeset	4662 }
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4663 else
4571 b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	4664 sub->in_use = save_in_use;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4665 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4666
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4667 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	4668 if (rex.nfa_has_zend && (REG_MULTI
6547 436d6c9e57f2 updated for version 7.4.600 Bram Moolenaar <bram@vim.org> parents: 6545 diff changeset	4669 ? 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	4670 : subs->norm.list.line[0].end != NULL))
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4671 {
15796 481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	4672 // 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	4673 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	4674 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4675 }
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	4676 // FALLTHROUGH
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4677 case NFA_MCLOSE1:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4678 case NFA_MCLOSE2:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4679 case NFA_MCLOSE3:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4680 case NFA_MCLOSE4:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4681 case NFA_MCLOSE5:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4682 case NFA_MCLOSE6:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4683 case NFA_MCLOSE7:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4684 case NFA_MCLOSE8:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4685 case NFA_MCLOSE9:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4686 #ifdef FEAT_SYN_HL
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4687 case NFA_ZCLOSE:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4688 case NFA_ZCLOSE1:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4689 case NFA_ZCLOSE2:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4690 case NFA_ZCLOSE3:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4691 case NFA_ZCLOSE4:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4692 case NFA_ZCLOSE5:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4693 case NFA_ZCLOSE6:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4694 case NFA_ZCLOSE7:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4695 case NFA_ZCLOSE8:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4696 case NFA_ZCLOSE9:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4697 #endif
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4698 case NFA_ZEND:
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4699 if (state->c == NFA_ZEND)
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4700 {
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4701 subidx = 0;
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4702 sub = &subs->norm;
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4703 }
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4704 #ifdef FEAT_SYN_HL
5300 560a6a232950 updated for version 7.4.003 Bram Moolenaar <bram@vim.org> parents: 5298 diff changeset	4705 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	4706 {
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4707 subidx = state->c - NFA_ZCLOSE;
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4708 sub = &subs->synt;
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4709 }
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4710 #endif
4561 4d81fdda8f35 updated for version 7.3.1028 Bram Moolenaar <bram@vim.org> parents: 4559 diff changeset	4711 else
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4712 {
4561 4d81fdda8f35 updated for version 7.3.1028 Bram Moolenaar <bram@vim.org> parents: 4559 diff changeset	4713 subidx = state->c - NFA_MCLOSE;
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4714 sub = &subs->norm;
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4715 }
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4716
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	4717 // 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	4718 // has done that.
4571 b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	4719 save_in_use = sub->in_use;
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	4720 if (sub->in_use <= subidx)
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	4721 sub->in_use = subidx + 1;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4722 if (REG_MULTI)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4723 {
10168 3c37899baa8d commit https://github.com/vim/vim/commit/d563883a1fb5ec6cf4a2758c5e36ac1ff4e9bb3d Christian Brabandt <cb@256bit.org> parents: 10042 diff changeset	4724 save_multipos = sub->list.multi[subidx];
4515 90e9917d4114 updated for version 7.3.1005 Bram Moolenaar <bram@vim.org> parents: 4507 diff changeset	4725 if (off == -1)
90e9917d4114 updated for version 7.3.1005 Bram Moolenaar <bram@vim.org> parents: 4507 diff changeset	4726 {
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	4727 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	4728 sub->list.multi[subidx].end_col = 0;
4515 90e9917d4114 updated for version 7.3.1005 Bram Moolenaar <bram@vim.org> parents: 4507 diff changeset	4729 }
90e9917d4114 updated for version 7.3.1005 Bram Moolenaar <bram@vim.org> parents: 4507 diff changeset	4730 else
90e9917d4114 updated for version 7.3.1005 Bram Moolenaar <bram@vim.org> parents: 4507 diff changeset	4731 {
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	4732 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	4733 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	4734 (colnr_T)(rex.input - rex.line + off);
4515 90e9917d4114 updated for version 7.3.1005 Bram Moolenaar <bram@vim.org> parents: 4507 diff changeset	4735 }
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	4736 // avoid compiler warnings
5210 839ebe7c1b2f updated for version 7.4a.031 Bram Moolenaar <bram@vim.org> parents: 5188 diff changeset	4737 save_ptr = NULL;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4738 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4739 else
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4740 {
4577 b22bff1a6af8 updated for version 7.3.1036 Bram Moolenaar <bram@vim.org> parents: 4573 diff changeset	4741 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	4742 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	4743 // avoid compiler warnings
20007 aadd1cae2ff5 patch 8.2.0559: clearing a struct is verbose Bram Moolenaar <Bram@vim.org> parents: 19405 diff changeset	4744 CLEAR_FIELD(save_multipos);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4745 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4746
10170 4acacf4081ce commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce Christian Brabandt <cb@256bit.org> parents: 10168 diff changeset	4747 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	4748 if (subs == NULL)
481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	4749 break;
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	4750 // "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	4751 #ifdef FEAT_SYN_HL
560a6a232950 updated for version 7.4.003 Bram Moolenaar <bram@vim.org> parents: 5298 diff changeset	4752 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	4753 sub = &subs->synt;
560a6a232950 updated for version 7.4.003 Bram Moolenaar <bram@vim.org> parents: 5298 diff changeset	4754 else
560a6a232950 updated for version 7.4.003 Bram Moolenaar <bram@vim.org> parents: 5298 diff changeset	4755 #endif
560a6a232950 updated for version 7.4.003 Bram Moolenaar <bram@vim.org> parents: 5298 diff changeset	4756 sub = &subs->norm;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4757
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4758 if (REG_MULTI)
10168 3c37899baa8d commit https://github.com/vim/vim/commit/d563883a1fb5ec6cf4a2758c5e36ac1ff4e9bb3d Christian Brabandt <cb@256bit.org> parents: 10042 diff changeset	4759 sub->list.multi[subidx] = save_multipos;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4760 else
4577 b22bff1a6af8 updated for version 7.3.1036 Bram Moolenaar <bram@vim.org> parents: 4573 diff changeset	4761 sub->list.line[subidx].end = save_ptr;
4571 b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	4762 sub->in_use = save_in_use;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4763 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4764 }
15796 481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	4765 --depth;
5074 1cacf785299e updated for version 7.3.1280 Bram Moolenaar <bram@vim.org> parents: 5058 diff changeset	4766 return subs;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4767 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4768
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4769 /*
4539 532c2e850256 updated for version 7.3.1017 Bram Moolenaar <bram@vim.org> parents: 4537 diff changeset	4770 * 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	4771 * 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	4772 * 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	4773 * matters for alternatives.
532c2e850256 updated for version 7.3.1017 Bram Moolenaar <bram@vim.org> parents: 4537 diff changeset	4774 */
15796 481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	4775 static regsubs_T *
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	4776 addstate_here(
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	4777 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	4778 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	4779 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	4780 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	4781 int *ip)
4539 532c2e850256 updated for version 7.3.1017 Bram Moolenaar <bram@vim.org> parents: 4537 diff changeset	4782 {
532c2e850256 updated for version 7.3.1017 Bram Moolenaar <bram@vim.org> parents: 4537 diff changeset	4783 int tlen = l->n;
532c2e850256 updated for version 7.3.1017 Bram Moolenaar <bram@vim.org> parents: 4537 diff changeset	4784 int count;
4726 3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	4785 int listidx = *ip;
15796 481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	4786 regsubs_T *r;
4539 532c2e850256 updated for version 7.3.1017 Bram Moolenaar <bram@vim.org> parents: 4537 diff changeset	4787
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	4788 // 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	4789 // 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	4790 // addstate().
15796 481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	4791 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	4792 if (r == NULL)
15806 6a4e9d9f1d66 patch 8.1.0910: crash with tricky search pattern Bram Moolenaar <Bram@vim.org> parents: 15802 diff changeset	4793 return NULL;
15796 481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	4794
481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	4795 // 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	4796 if (listidx + 1 == tlen)
15796 481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	4797 return r;
481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	4798
481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	4799 // 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	4800 count = l->n - tlen;
4924 6ae32a64e153 updated for version 7.3.1207 Bram Moolenaar <bram@vim.org> parents: 4897 diff changeset	4801 if (count == 0)
15796 481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	4802 return r; // no state got added
4647 857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	4803 if (count == 1)
857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	4804 {
15796 481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	4805 // overwrite the current state
4726 3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	4806 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	4807 }
857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	4808 else if (count > 1)
4539 532c2e850256 updated for version 7.3.1017 Bram Moolenaar <bram@vim.org> parents: 4537 diff changeset	4809 {
5058 a00cd1839ac4 updated for version 7.3.1272 Bram Moolenaar <bram@vim.org> parents: 5029 diff changeset	4810 if (l->n + count - 1 >= l->len)
a00cd1839ac4 updated for version 7.3.1272 Bram Moolenaar <bram@vim.org> parents: 5029 diff changeset	4811 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	4812 // 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	4813 // 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	4814 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	4815 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	4816 nfa_thread_T *newl;
6a4e9d9f1d66 patch 8.1.0910: crash with tricky search pattern Bram Moolenaar <Bram@vim.org> parents: 15802 diff changeset	4817
15812 3808b583889e patch 8.1.0913: CI crashes when running out of memory Bram Moolenaar <Bram@vim.org> parents: 15806 diff changeset	4818 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	4819 {
3808b583889e patch 8.1.0913: CI crashes when running out of memory Bram Moolenaar <Bram@vim.org> parents: 15806 diff changeset	4820 emsg(_(e_maxmempat));
3808b583889e patch 8.1.0913: CI crashes when running out of memory Bram Moolenaar <Bram@vim.org> parents: 15806 diff changeset	4821 return NULL;
3808b583889e patch 8.1.0913: CI crashes when running out of memory Bram Moolenaar <Bram@vim.org> parents: 15806 diff changeset	4822 }
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	4823 newl = alloc(newsize);
5058 a00cd1839ac4 updated for version 7.3.1272 Bram Moolenaar <bram@vim.org> parents: 5029 diff changeset	4824 if (newl == NULL)
15806 6a4e9d9f1d66 patch 8.1.0910: crash with tricky search pattern Bram Moolenaar <Bram@vim.org> parents: 15802 diff changeset	4825 return NULL;
6a4e9d9f1d66 patch 8.1.0910: crash with tricky search pattern Bram Moolenaar <Bram@vim.org> parents: 15802 diff changeset	4826 l->len = newlen;
5058 a00cd1839ac4 updated for version 7.3.1272 Bram Moolenaar <bram@vim.org> parents: 5029 diff changeset	4827 mch_memmove(&(newl[0]),
a00cd1839ac4 updated for version 7.3.1272 Bram Moolenaar <bram@vim.org> parents: 5029 diff changeset	4828 &(l->t[0]),
a00cd1839ac4 updated for version 7.3.1272 Bram Moolenaar <bram@vim.org> parents: 5029 diff changeset	4829 sizeof(nfa_thread_T) * listidx);
a00cd1839ac4 updated for version 7.3.1272 Bram Moolenaar <bram@vim.org> parents: 5029 diff changeset	4830 mch_memmove(&(newl[listidx]),
a00cd1839ac4 updated for version 7.3.1272 Bram Moolenaar <bram@vim.org> parents: 5029 diff changeset	4831 &(l->t[l->n - count]),
a00cd1839ac4 updated for version 7.3.1272 Bram Moolenaar <bram@vim.org> parents: 5029 diff changeset	4832 sizeof(nfa_thread_T) * count);
a00cd1839ac4 updated for version 7.3.1272 Bram Moolenaar <bram@vim.org> parents: 5029 diff changeset	4833 mch_memmove(&(newl[listidx + count]),
a00cd1839ac4 updated for version 7.3.1272 Bram Moolenaar <bram@vim.org> parents: 5029 diff changeset	4834 &(l->t[listidx + 1]),
a00cd1839ac4 updated for version 7.3.1272 Bram Moolenaar <bram@vim.org> parents: 5029 diff changeset	4835 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	4836 vim_free(l->t);
a00cd1839ac4 updated for version 7.3.1272 Bram Moolenaar <bram@vim.org> parents: 5029 diff changeset	4837 l->t = newl;
a00cd1839ac4 updated for version 7.3.1272 Bram Moolenaar <bram@vim.org> parents: 5029 diff changeset	4838 }
a00cd1839ac4 updated for version 7.3.1272 Bram Moolenaar <bram@vim.org> parents: 5029 diff changeset	4839 else
a00cd1839ac4 updated for version 7.3.1272 Bram Moolenaar <bram@vim.org> parents: 5029 diff changeset	4840 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	4841 // 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	4842 // end to the current position
5058 a00cd1839ac4 updated for version 7.3.1272 Bram Moolenaar <bram@vim.org> parents: 5029 diff changeset	4843 mch_memmove(&(l->t[listidx + count]),
a00cd1839ac4 updated for version 7.3.1272 Bram Moolenaar <bram@vim.org> parents: 5029 diff changeset	4844 &(l->t[listidx + 1]),
a00cd1839ac4 updated for version 7.3.1272 Bram Moolenaar <bram@vim.org> parents: 5029 diff changeset	4845 sizeof(nfa_thread_T) * (l->n - listidx - 1));
a00cd1839ac4 updated for version 7.3.1272 Bram Moolenaar <bram@vim.org> parents: 5029 diff changeset	4846 mch_memmove(&(l->t[listidx]),
a00cd1839ac4 updated for version 7.3.1272 Bram Moolenaar <bram@vim.org> parents: 5029 diff changeset	4847 &(l->t[l->n - 1]),
a00cd1839ac4 updated for version 7.3.1272 Bram Moolenaar <bram@vim.org> parents: 5029 diff changeset	4848 sizeof(nfa_thread_T) * count);
a00cd1839ac4 updated for version 7.3.1272 Bram Moolenaar <bram@vim.org> parents: 5029 diff changeset	4849 }
4539 532c2e850256 updated for version 7.3.1017 Bram Moolenaar <bram@vim.org> parents: 4537 diff changeset	4850 }
532c2e850256 updated for version 7.3.1017 Bram Moolenaar <bram@vim.org> parents: 4537 diff changeset	4851 --l->n;
4726 3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	4852 *ip = listidx - 1;
15796 481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	4853
481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	4854 return r;
4539 532c2e850256 updated for version 7.3.1017 Bram Moolenaar <bram@vim.org> parents: 4537 diff changeset	4855 }
532c2e850256 updated for version 7.3.1017 Bram Moolenaar <bram@vim.org> parents: 4537 diff changeset	4856
532c2e850256 updated for version 7.3.1017 Bram Moolenaar <bram@vim.org> parents: 4537 diff changeset	4857 /*
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4858 * Check character class "class" against current character c.
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4859 */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4860 static int
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	4861 check_char_class(int class, int c)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4862 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4863 switch (class)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4864 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4865 case NFA_CLASS_ALNUM:
9015 42b228c8701b commit https://github.com/vim/vim/commit/e8aee7dcf9b12becff86e8ce1783a86801c5f9f6 Christian Brabandt <cb@256bit.org> parents: 8989 diff changeset	4866 if (c >= 1 && c < 128 && isalnum(c))
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_ALPHA:
9015 42b228c8701b commit https://github.com/vim/vim/commit/e8aee7dcf9b12becff86e8ce1783a86801c5f9f6 Christian Brabandt <cb@256bit.org> parents: 8989 diff changeset	4870 if (c >= 1 && c < 128 && isalpha(c))
4444 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_BLANK:
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4874 if (c == ' ' \|\| c == '\t')
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_CNTRL:
11267 588de97b40e7 patch 8.0.0519: character classes are not well tested Christian Brabandt <cb@256bit.org> parents: 11129 diff changeset	4878 if (c >= 1 && c <= 127 && iscntrl(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_DIGIT:
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4882 if (VIM_ISDIGIT(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_GRAPH:
11267 588de97b40e7 patch 8.0.0519: character classes are not well tested Christian Brabandt <cb@256bit.org> parents: 11129 diff changeset	4886 if (c >= 1 && c <= 127 && isgraph(c))
4444 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_LOWER:
9015 42b228c8701b commit https://github.com/vim/vim/commit/e8aee7dcf9b12becff86e8ce1783a86801c5f9f6 Christian Brabandt <cb@256bit.org> parents: 8989 diff changeset	4890 if (MB_ISLOWER(c) && c != 170 && c != 186)
4444 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_PRINT:
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4894 if (vim_isprintc(c))
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_PUNCT:
9015 42b228c8701b commit https://github.com/vim/vim/commit/e8aee7dcf9b12becff86e8ce1783a86801c5f9f6 Christian Brabandt <cb@256bit.org> parents: 8989 diff changeset	4898 if (c >= 1 && c < 128 && ispunct(c))
4444 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_SPACE:
4785 3b5a023a4543 updated for version 7.3.1139 Bram Moolenaar <bram@vim.org> parents: 4783 diff changeset	4902 if ((c >= 9 && c <= 13) \|\| (c == ' '))
4444 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;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4905 case NFA_CLASS_UPPER:
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4906 if (MB_ISUPPER(c))
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4907 return OK;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4908 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4909 case NFA_CLASS_XDIGIT:
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4910 if (vim_isxdigit(c))
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4911 return OK;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4912 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4913 case NFA_CLASS_TAB:
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4914 if (c == '\t')
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4915 return OK;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4916 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4917 case NFA_CLASS_RETURN:
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4918 if (c == '\r')
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4919 return OK;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4920 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4921 case NFA_CLASS_BACKSPACE:
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4922 if (c == '\b')
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4923 return OK;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4924 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4925 case NFA_CLASS_ESCAPE:
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4926 if (c == '\033')
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4927 return OK;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4928 break;
15709 2e2f07561f4b patch 8.1.0862: no verbose version of character classes Bram Moolenaar <Bram@vim.org> parents: 15603 diff changeset	4929 case NFA_CLASS_IDENT:
2e2f07561f4b patch 8.1.0862: no verbose version of character classes Bram Moolenaar <Bram@vim.org> parents: 15603 diff changeset	4930 if (vim_isIDc(c))
2e2f07561f4b patch 8.1.0862: no verbose version of character classes Bram Moolenaar <Bram@vim.org> parents: 15603 diff changeset	4931 return OK;
2e2f07561f4b patch 8.1.0862: no verbose version of character classes Bram Moolenaar <Bram@vim.org> parents: 15603 diff changeset	4932 break;
2e2f07561f4b patch 8.1.0862: no verbose version of character classes Bram Moolenaar <Bram@vim.org> parents: 15603 diff changeset	4933 case NFA_CLASS_KEYWORD:
2e2f07561f4b patch 8.1.0862: no verbose version of character classes Bram Moolenaar <Bram@vim.org> parents: 15603 diff changeset	4934 if (reg_iswordc(c))
2e2f07561f4b patch 8.1.0862: no verbose version of character classes Bram Moolenaar <Bram@vim.org> parents: 15603 diff changeset	4935 return OK;
2e2f07561f4b patch 8.1.0862: no verbose version of character classes Bram Moolenaar <Bram@vim.org> parents: 15603 diff changeset	4936 break;
2e2f07561f4b patch 8.1.0862: no verbose version of character classes Bram Moolenaar <Bram@vim.org> parents: 15603 diff changeset	4937 case NFA_CLASS_FNAME:
2e2f07561f4b patch 8.1.0862: no verbose version of character classes Bram Moolenaar <Bram@vim.org> parents: 15603 diff changeset	4938 if (vim_isfilec(c))
2e2f07561f4b patch 8.1.0862: no verbose version of character classes Bram Moolenaar <Bram@vim.org> parents: 15603 diff changeset	4939 return OK;
2e2f07561f4b patch 8.1.0862: no verbose version of character classes Bram Moolenaar <Bram@vim.org> parents: 15603 diff changeset	4940 break;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4941
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4942 default:
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	4943 // 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	4944 siemsg(_(e_ill_char_class), class);
4781 c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	4945 return FAIL;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4946 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4947 return FAIL;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4948 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4949
4571 b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	4950 /*
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	4951 * Check for a match with subexpression "subidx".
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4952 * Return TRUE if it matches.
4571 b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	4953 */
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	4954 static int
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	4955 match_backref(
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	4956 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	4957 int subidx,
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	4958 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	4959 {
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	4960 int len;
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	4961
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	4962 if (sub->in_use <= subidx)
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	4963 {
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	4964 retempty:
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	4965 // 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	4966 *bytelen = 0;
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	4967 return TRUE;
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	4968 }
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	4969
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	4970 if (REG_MULTI)
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	4971 {
6547 436d6c9e57f2 updated for version 7.4.600 Bram Moolenaar <bram@vim.org> parents: 6545 diff changeset	4972 if (sub->list.multi[subidx].start_lnum < 0
436d6c9e57f2 updated for version 7.4.600 Bram Moolenaar <bram@vim.org> parents: 6545 diff changeset	4973 \|\| sub->list.multi[subidx].end_lnum < 0)
4571 b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	4974 goto retempty;
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	4975 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	4976 && 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	4977 {
6547 436d6c9e57f2 updated for version 7.4.600 Bram Moolenaar <bram@vim.org> parents: 6545 diff changeset	4978 len = sub->list.multi[subidx].end_col
436d6c9e57f2 updated for version 7.4.600 Bram Moolenaar <bram@vim.org> parents: 6545 diff changeset	4979 - 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	4980 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	4981 rex.input, &len) == 0)
4891 4c42efb4c098 updated for version 7.3.1191 Bram Moolenaar <bram@vim.org> parents: 4887 diff changeset	4982 {
4c42efb4c098 updated for version 7.3.1191 Bram Moolenaar <bram@vim.org> parents: 4887 diff changeset	4983 *bytelen = len;
4c42efb4c098 updated for version 7.3.1191 Bram Moolenaar <bram@vim.org> parents: 4887 diff changeset	4984 return TRUE;
4c42efb4c098 updated for version 7.3.1191 Bram Moolenaar <bram@vim.org> parents: 4887 diff changeset	4985 }
4c42efb4c098 updated for version 7.3.1191 Bram Moolenaar <bram@vim.org> parents: 4887 diff changeset	4986 }
4c42efb4c098 updated for version 7.3.1191 Bram Moolenaar <bram@vim.org> parents: 4887 diff changeset	4987 else
4c42efb4c098 updated for version 7.3.1191 Bram Moolenaar <bram@vim.org> parents: 4887 diff changeset	4988 {
4c42efb4c098 updated for version 7.3.1191 Bram Moolenaar <bram@vim.org> parents: 4887 diff changeset	4989 if (match_with_backref(
6547 436d6c9e57f2 updated for version 7.4.600 Bram Moolenaar <bram@vim.org> parents: 6545 diff changeset	4990 sub->list.multi[subidx].start_lnum,
436d6c9e57f2 updated for version 7.4.600 Bram Moolenaar <bram@vim.org> parents: 6545 diff changeset	4991 sub->list.multi[subidx].start_col,
436d6c9e57f2 updated for version 7.4.600 Bram Moolenaar <bram@vim.org> parents: 6545 diff changeset	4992 sub->list.multi[subidx].end_lnum,
436d6c9e57f2 updated for version 7.4.600 Bram Moolenaar <bram@vim.org> parents: 6545 diff changeset	4993 sub->list.multi[subidx].end_col,
4891 4c42efb4c098 updated for version 7.3.1191 Bram Moolenaar <bram@vim.org> parents: 4887 diff changeset	4994 bytelen) == RA_MATCH)
4c42efb4c098 updated for version 7.3.1191 Bram Moolenaar <bram@vim.org> parents: 4887 diff changeset	4995 return TRUE;
4571 b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	4996 }
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	4997 }
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	4998 else
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	4999 {
4577 b22bff1a6af8 updated for version 7.3.1036 Bram Moolenaar <bram@vim.org> parents: 4573 diff changeset	5000 if (sub->list.line[subidx].start == NULL
b22bff1a6af8 updated for version 7.3.1036 Bram Moolenaar <bram@vim.org> parents: 4573 diff changeset	5001 \|\| sub->list.line[subidx].end == NULL)
4571 b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	5002 goto retempty;
4577 b22bff1a6af8 updated for version 7.3.1036 Bram Moolenaar <bram@vim.org> parents: 4573 diff changeset	5003 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	5004 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	5005 {
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	5006 *bytelen = len;
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	5007 return TRUE;
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	5008 }
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	5009 }
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	5010 return FALSE;
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	5011 }
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	5012
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	5013 #ifdef FEAT_SYN_HL
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	5014
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 * Check for a match with \z subexpression "subidx".
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	5017 * Return TRUE if it matches.
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	5018 */
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	5019 static int
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	5020 match_zref(
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	5021 int subidx,
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	5022 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	5023 {
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	5024 int len;
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	5025
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	5026 cleanup_zsubexpr();
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	5027 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	5028 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	5029 // 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	5030 *bytelen = 0;
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	5031 return TRUE;
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	5032 }
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	5033
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	5034 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	5035 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	5036 {
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	5037 *bytelen = len;
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	5038 return TRUE;
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	5039 }
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	5040 return FALSE;
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	5041 }
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	5042 #endif
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	5043
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5044 /*
4712 832bf8136d86 updated for version 7.3.1103 Bram Moolenaar <bram@vim.org> parents: 4696 diff changeset	5045 * 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	5046 * Also reset the IDs to zero.
4718 ec72bb4a0fc2 updated for version 7.3.1106 Bram Moolenaar <bram@vim.org> parents: 4716 diff changeset	5047 * Only used for the recursive value lastlist[1].
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5048 */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5049 static void
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	5050 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	5051 {
4712 832bf8136d86 updated for version 7.3.1103 Bram Moolenaar <bram@vim.org> parents: 4696 diff changeset	5052 int i;
832bf8136d86 updated for version 7.3.1103 Bram Moolenaar <bram@vim.org> parents: 4696 diff changeset	5053 nfa_state_T *p;
832bf8136d86 updated for version 7.3.1103 Bram Moolenaar <bram@vim.org> parents: 4696 diff changeset	5054
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	5055 // 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	5056 p = &prog->state[0];
832bf8136d86 updated for version 7.3.1103 Bram Moolenaar <bram@vim.org> parents: 4696 diff changeset	5057 for (i = prog->nstate; --i >= 0; )
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5058 {
4718 ec72bb4a0fc2 updated for version 7.3.1106 Bram Moolenaar <bram@vim.org> parents: 4716 diff changeset	5059 list[i] = p->lastlist[1];
ec72bb4a0fc2 updated for version 7.3.1106 Bram Moolenaar <bram@vim.org> parents: 4716 diff changeset	5060 p->lastlist[1] = 0;
4712 832bf8136d86 updated for version 7.3.1103 Bram Moolenaar <bram@vim.org> parents: 4696 diff changeset	5061 ++p;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5062 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5063 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5064
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5065 /*
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5066 * Restore list IDs from "list" to all NFA states.
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5067 */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5068 static void
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	5069 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	5070 {
4712 832bf8136d86 updated for version 7.3.1103 Bram Moolenaar <bram@vim.org> parents: 4696 diff changeset	5071 int i;
832bf8136d86 updated for version 7.3.1103 Bram Moolenaar <bram@vim.org> parents: 4696 diff changeset	5072 nfa_state_T *p;
832bf8136d86 updated for version 7.3.1103 Bram Moolenaar <bram@vim.org> parents: 4696 diff changeset	5073
832bf8136d86 updated for version 7.3.1103 Bram Moolenaar <bram@vim.org> parents: 4696 diff changeset	5074 p = &prog->state[0];
832bf8136d86 updated for version 7.3.1103 Bram Moolenaar <bram@vim.org> parents: 4696 diff changeset	5075 for (i = prog->nstate; --i >= 0; )
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5076 {
4718 ec72bb4a0fc2 updated for version 7.3.1106 Bram Moolenaar <bram@vim.org> parents: 4716 diff changeset	5077 p->lastlist[1] = list[i];
4712 832bf8136d86 updated for version 7.3.1103 Bram Moolenaar <bram@vim.org> parents: 4696 diff changeset	5078 ++p;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5079 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5080 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5081
4583 321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	5082 static int
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	5083 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	5084 {
321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	5085 if (op == 1) return pos > val;
321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	5086 if (op == 2) return pos < val;
321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	5087 return val == pos;
321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	5088 }
321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	5089
7805 0b6c37dd858d commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077 Christian Brabandt <cb@256bit.org> parents: 7258 diff changeset	5090 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	5091
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5092 /*
4716 a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5093 * Recursively call nfa_regmatch()
4813 bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	5094 * "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	5095 * position).
4716 a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5096 */
a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5097 static int
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	5098 recursive_regmatch(
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	5099 nfa_state_T *state,
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	5100 nfa_pim_T *pim,
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	5101 nfa_regprog_T *prog,
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	5102 regsubs_T *submatch,
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	5103 regsubs_T *m,
14309 15530de011bc patch 8.1.0170: invalid memory use with complicated pattern Christian Brabandt <cb@256bit.org> parents: 14173 diff changeset	5104 int **listids,
15530de011bc patch 8.1.0170: invalid memory use with complicated pattern Christian Brabandt <cb@256bit.org> parents: 14173 diff changeset	5105 int *listids_len)
4716 a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5106 {
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	5107 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	5108 int save_reglnum = rex.lnum;
4716 a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5109 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	5110 int save_nfa_listid = rex.nfa_listid;
4716 a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5111 save_se_T *save_nfa_endp = nfa_endp;
a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5112 save_se_T endpos;
a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5113 save_se_T *endposp = NULL;
a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5114 int result;
4718 ec72bb4a0fc2 updated for version 7.3.1106 Bram Moolenaar <bram@vim.org> parents: 4716 diff changeset	5115 int need_restore = FALSE;
4716 a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5116
4813 bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	5117 if (pim != NULL)
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	5118 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	5119 // 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	5120 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	5121 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	5122 else
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	5123 rex.input = pim->end.ptr;
4813 bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	5124 }
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	5125
4785 3b5a023a4543 updated for version 7.3.1139 Bram Moolenaar <bram@vim.org> parents: 4783 diff changeset	5126 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	5127 \|\| 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	5128 \|\| 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	5129 \|\| 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	5130 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	5131 // 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	5132 // not NULL it specifies the current position.
4716 a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5133 endposp = &endpos;
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 {
4813 bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	5136 if (pim == NULL)
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	5137 {
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	5138 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	5139 endpos.se_u.pos.lnum = rex.lnum;
4813 bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	5140 }
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	5141 else
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	5142 endpos.se_u.pos = pim->end.pos;
4716 a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5143 }
a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5144 else
4813 bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	5145 {
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	5146 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	5147 endpos.se_u.ptr = rex.input;
4813 bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	5148 else
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	5149 endpos.se_u.ptr = pim->end.ptr;
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	5150 }
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 // 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	5153 // 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	5154 // 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	5155 // bytes if possible.
4716 a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5156 if (state->val <= 0)
a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5157 {
a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5158 if (REG_MULTI)
a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5159 {
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	5160 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	5161 if (rex.line == NULL)
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	5162 // 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	5163 rex.line = reg_getline(++rex.lnum);
4716 a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5164 }
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	5165 rex.input = rex.line;
4716 a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5166 }
a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5167 else
a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5168 {
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	5169 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	5170 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	5171 // 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	5172 // previous line.
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	5173 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	5174 if (rex.line == NULL)
4716 a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5175 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	5176 // 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	5177 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	5178 rex.input = rex.line;
4716 a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5179 }
a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5180 else
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	5181 rex.input = rex.line + STRLEN(rex.line);
4716 a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5182 }
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	5183 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	5184 {
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	5185 rex.input -= state->val;
4716 a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5186 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	5187 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	5188 }
a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5189 else
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	5190 rex.input = rex.line;
4716 a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5191 }
a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5192 }
a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5193
a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5194 #ifdef ENABLE_LOG
a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5195 if (log_fd != stderr)
a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5196 fclose(log_fd);
a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5197 log_fd = NULL;
a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5198 #endif
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	5199 // 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	5200 // 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	5201 if (nfa_ll_index == 1)
ec72bb4a0fc2 updated for version 7.3.1106 Bram Moolenaar <bram@vim.org> parents: 4716 diff changeset	5202 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	5203 // 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	5204 // 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	5205 if (listids == NULL \|\| listids_len < prog->nstate)
4718 ec72bb4a0fc2 updated for version 7.3.1106 Bram Moolenaar <bram@vim.org> parents: 4716 diff changeset	5206 {
14309 15530de011bc patch 8.1.0170: invalid memory use with complicated pattern Christian Brabandt <cb@256bit.org> parents: 14173 diff changeset	5207 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	5208 *listids = ALLOC_MULT(int, prog->nstate);
4718 ec72bb4a0fc2 updated for version 7.3.1106 Bram Moolenaar <bram@vim.org> parents: 4716 diff changeset	5209 if (*listids == NULL)
ec72bb4a0fc2 updated for version 7.3.1106 Bram Moolenaar <bram@vim.org> parents: 4716 diff changeset	5210 {
15470 55ccc2d353bd patch 8.1.0743: giving error messages is not flexible Bram Moolenaar <Bram@vim.org> parents: 15265 diff changeset	5211 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	5212 return 0;
ec72bb4a0fc2 updated for version 7.3.1106 Bram Moolenaar <bram@vim.org> parents: 4716 diff changeset	5213 }
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	5214 *listids_len = prog->nstate;
4718 ec72bb4a0fc2 updated for version 7.3.1106 Bram Moolenaar <bram@vim.org> parents: 4716 diff changeset	5215 }
ec72bb4a0fc2 updated for version 7.3.1106 Bram Moolenaar <bram@vim.org> parents: 4716 diff changeset	5216 nfa_save_listids(prog, *listids);
ec72bb4a0fc2 updated for version 7.3.1106 Bram Moolenaar <bram@vim.org> parents: 4716 diff changeset	5217 need_restore = TRUE;
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	5218 // 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	5219 }
ec72bb4a0fc2 updated for version 7.3.1106 Bram Moolenaar <bram@vim.org> parents: 4716 diff changeset	5220 else
ec72bb4a0fc2 updated for version 7.3.1106 Bram Moolenaar <bram@vim.org> parents: 4716 diff changeset	5221 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	5222 // 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	5223 // 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	5224 // 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	5225 ++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	5226 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	5227 rex.nfa_listid = rex.nfa_alt_listid;
4718 ec72bb4a0fc2 updated for version 7.3.1106 Bram Moolenaar <bram@vim.org> parents: 4716 diff changeset	5228 }
ec72bb4a0fc2 updated for version 7.3.1106 Bram Moolenaar <bram@vim.org> parents: 4716 diff changeset	5229
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	5230 // 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	5231 // 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	5232 nfa_endp = endposp;
a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5233 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	5234
ec72bb4a0fc2 updated for version 7.3.1106 Bram Moolenaar <bram@vim.org> parents: 4716 diff changeset	5235 if (need_restore)
ec72bb4a0fc2 updated for version 7.3.1106 Bram Moolenaar <bram@vim.org> parents: 4716 diff changeset	5236 nfa_restore_listids(prog, *listids);
ec72bb4a0fc2 updated for version 7.3.1106 Bram Moolenaar <bram@vim.org> parents: 4716 diff changeset	5237 else
ec72bb4a0fc2 updated for version 7.3.1106 Bram Moolenaar <bram@vim.org> parents: 4716 diff changeset	5238 {
ec72bb4a0fc2 updated for version 7.3.1106 Bram Moolenaar <bram@vim.org> parents: 4716 diff changeset	5239 --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	5240 rex.nfa_alt_listid = rex.nfa_listid;
4718 ec72bb4a0fc2 updated for version 7.3.1106 Bram Moolenaar <bram@vim.org> parents: 4716 diff changeset	5241 }
4716 a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5242
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	5243 // 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	5244 rex.lnum = save_reglnum;
4877 9e36c6b1ebf4 updated for version 7.3.1184 Bram Moolenaar <bram@vim.org> parents: 4845 diff changeset	5245 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	5246 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	5247 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	5248 if (result != NFA_TOO_EXPENSIVE)
3666915cac0b commit https://github.com/vim/vim/commit/6747fabc7348bf5f41ccfe851e2be3e900ec8ee0 Christian Brabandt <cb@256bit.org> parents: 9015 diff changeset	5249 {
3666915cac0b commit https://github.com/vim/vim/commit/6747fabc7348bf5f41ccfe851e2be3e900ec8ee0 Christian Brabandt <cb@256bit.org> parents: 9015 diff changeset	5250 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	5251 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	5252 }
4716 a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5253 nfa_endp = save_nfa_endp;
a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5254
a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5255 #ifdef ENABLE_LOG
a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5256 log_fd = fopen(NFA_REGEXP_RUN_LOG, "a");
a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5257 if (log_fd != NULL)
a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5258 {
a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5259 fprintf(log_fd, "****************************\n");
a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5260 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	5261 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	5262 fprintf(log_fd, "****************************\n");
a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5263 }
a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5264 else
a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5265 {
15470 55ccc2d353bd patch 8.1.0743: giving error messages is not flexible Bram Moolenaar <Bram@vim.org> parents: 15265 diff changeset	5266 emsg(_(e_log_open_failed));
4716 a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5267 log_fd = stderr;
a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5268 }
a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5269 #endif
a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5270
a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5271 return result;
a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5272 }
a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5273
4726 3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	5274 /*
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	5275 * 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	5276 * empty match: 0
4726 3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	5277 * NFA_ANY: 1
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	5278 * specific character: 99
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	5279 */
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	5280 static int
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	5281 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	5282 {
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	5283 int c = state->c;
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	5284 int l, r;
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	5285
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	5286 // detect looping
4726 3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	5287 if (depth > 4)
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	5288 return 1;
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	5289
4742 6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5290 switch (c)
4726 3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	5291 {
4742 6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5292 case NFA_SPLIT:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5293 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	5294 // avoid recursive stuff
4742 6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5295 return 1;
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	5296 // two alternatives, use the lowest failure chance
4742 6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5297 l = failure_chance(state->out, depth + 1);
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5298 r = failure_chance(state->out1, depth + 1);
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5299 return l < r ? l : r;
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5300
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5301 case NFA_ANY:
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	5302 // matches anything, unlikely to fail
4726 3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	5303 return 1;
4821 2f1ee97f5f23 updated for version 7.3.1157 Bram Moolenaar <bram@vim.org> parents: 4819 diff changeset	5304
4742 6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5305 case NFA_MATCH:
4821 2f1ee97f5f23 updated for version 7.3.1157 Bram Moolenaar <bram@vim.org> parents: 4819 diff changeset	5306 case NFA_MCLOSE:
5901 10fc95f48546 updated for version 7.4.293 Bram Moolenaar <bram@vim.org> parents: 5895 diff changeset	5307 case NFA_ANY_COMPOSING:
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	5308 // empty match works always
4742 6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5309 return 0;
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5310
4897 91136a41f83f updated for version 7.3.1194 Bram Moolenaar <bram@vim.org> parents: 4893 diff changeset	5311 case NFA_START_INVISIBLE:
91136a41f83f updated for version 7.3.1194 Bram Moolenaar <bram@vim.org> parents: 4893 diff changeset	5312 case NFA_START_INVISIBLE_FIRST:
91136a41f83f updated for version 7.3.1194 Bram Moolenaar <bram@vim.org> parents: 4893 diff changeset	5313 case NFA_START_INVISIBLE_NEG:
91136a41f83f updated for version 7.3.1194 Bram Moolenaar <bram@vim.org> parents: 4893 diff changeset	5314 case NFA_START_INVISIBLE_NEG_FIRST:
91136a41f83f updated for version 7.3.1194 Bram Moolenaar <bram@vim.org> parents: 4893 diff changeset	5315 case NFA_START_INVISIBLE_BEFORE:
91136a41f83f updated for version 7.3.1194 Bram Moolenaar <bram@vim.org> parents: 4893 diff changeset	5316 case NFA_START_INVISIBLE_BEFORE_FIRST:
91136a41f83f updated for version 7.3.1194 Bram Moolenaar <bram@vim.org> parents: 4893 diff changeset	5317 case NFA_START_INVISIBLE_BEFORE_NEG:
91136a41f83f updated for version 7.3.1194 Bram Moolenaar <bram@vim.org> parents: 4893 diff changeset	5318 case NFA_START_INVISIBLE_BEFORE_NEG_FIRST:
91136a41f83f updated for version 7.3.1194 Bram Moolenaar <bram@vim.org> parents: 4893 diff changeset	5319 case NFA_START_PATTERN:
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	5320 // 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	5321 return 5;
91136a41f83f updated for version 7.3.1194 Bram Moolenaar <bram@vim.org> parents: 4893 diff changeset	5322
4742 6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5323 case NFA_BOL:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5324 case NFA_EOL:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5325 case NFA_BOF:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5326 case NFA_EOF:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5327 case NFA_NEWL:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5328 return 99;
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5329
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5330 case NFA_BOW:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5331 case NFA_EOW:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5332 return 90;
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5333
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5334 case NFA_MOPEN:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5335 case NFA_MOPEN1:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5336 case NFA_MOPEN2:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5337 case NFA_MOPEN3:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5338 case NFA_MOPEN4:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5339 case NFA_MOPEN5:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5340 case NFA_MOPEN6:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5341 case NFA_MOPEN7:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5342 case NFA_MOPEN8:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5343 case NFA_MOPEN9:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5344 #ifdef FEAT_SYN_HL
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5345 case NFA_ZOPEN:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5346 case NFA_ZOPEN1:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5347 case NFA_ZOPEN2:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5348 case NFA_ZOPEN3:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5349 case NFA_ZOPEN4:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5350 case NFA_ZOPEN5:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5351 case NFA_ZOPEN6:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5352 case NFA_ZOPEN7:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5353 case NFA_ZOPEN8:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5354 case NFA_ZOPEN9:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5355 case NFA_ZCLOSE:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5356 case NFA_ZCLOSE1:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5357 case NFA_ZCLOSE2:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5358 case NFA_ZCLOSE3:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5359 case NFA_ZCLOSE4:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5360 case NFA_ZCLOSE5:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5361 case NFA_ZCLOSE6:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5362 case NFA_ZCLOSE7:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5363 case NFA_ZCLOSE8:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5364 case NFA_ZCLOSE9:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5365 #endif
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5366 case NFA_NOPEN:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5367 case NFA_MCLOSE1:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5368 case NFA_MCLOSE2:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5369 case NFA_MCLOSE3:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5370 case NFA_MCLOSE4:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5371 case NFA_MCLOSE5:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5372 case NFA_MCLOSE6:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5373 case NFA_MCLOSE7:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5374 case NFA_MCLOSE8:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5375 case NFA_MCLOSE9:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5376 case NFA_NCLOSE:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5377 return failure_chance(state->out, depth + 1);
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5378
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5379 case NFA_BACKREF1:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5380 case NFA_BACKREF2:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5381 case NFA_BACKREF3:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5382 case NFA_BACKREF4:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5383 case NFA_BACKREF5:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5384 case NFA_BACKREF6:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5385 case NFA_BACKREF7:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5386 case NFA_BACKREF8:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5387 case NFA_BACKREF9:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5388 #ifdef FEAT_SYN_HL
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5389 case NFA_ZREF1:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5390 case NFA_ZREF2:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5391 case NFA_ZREF3:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5392 case NFA_ZREF4:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5393 case NFA_ZREF5:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5394 case NFA_ZREF6:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5395 case NFA_ZREF7:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5396 case NFA_ZREF8:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5397 case NFA_ZREF9:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5398 #endif
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	5399 // backreferences don't match in many places
4742 6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5400 return 94;
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5401
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5402 case NFA_LNUM_GT:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5403 case NFA_LNUM_LT:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5404 case NFA_COL_GT:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5405 case NFA_COL_LT:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5406 case NFA_VCOL_GT:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5407 case NFA_VCOL_LT:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5408 case NFA_MARK_GT:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5409 case NFA_MARK_LT:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5410 case NFA_VISUAL:
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	5411 // 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	5412 return 85;
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5413
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5414 case NFA_LNUM:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5415 return 90;
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5416
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5417 case NFA_CURSOR:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5418 case NFA_COL:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5419 case NFA_VCOL:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5420 case NFA_MARK:
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	5421 // specific positions rarely match
4742 6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5422 return 98;
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5423
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5424 case NFA_COMPOSING:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5425 return 95;
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5426
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5427 default:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5428 if (c > 0)
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	5429 // character match fails often
4742 6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5430 return 95;
4726 3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	5431 }
4742 6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5432
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	5433 // something else, includes character classes
4726 3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	5434 return 50;
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	5435 }
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	5436
4716 a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5437 /*
4801 3cd3cc1e9119 updated for version 7.3.1147 Bram Moolenaar <bram@vim.org> parents: 4799 diff changeset	5438 * 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	5439 */
3cd3cc1e9119 updated for version 7.3.1147 Bram Moolenaar <bram@vim.org> parents: 4799 diff changeset	5440 static int
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	5441 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	5442 {
3cd3cc1e9119 updated for version 7.3.1147 Bram Moolenaar <bram@vim.org> parents: 4799 diff changeset	5443 char_u *s;
3cd3cc1e9119 updated for version 7.3.1147 Bram Moolenaar <bram@vim.org> parents: 4799 diff changeset	5444
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	5445 // 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	5446 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	5447 s = vim_strbyte(rex.line + *colp, c);
4801 3cd3cc1e9119 updated for version 7.3.1147 Bram Moolenaar <bram@vim.org> parents: 4799 diff changeset	5448 else
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	5449 s = cstrchr(rex.line + *colp, c);
4801 3cd3cc1e9119 updated for version 7.3.1147 Bram Moolenaar <bram@vim.org> parents: 4799 diff changeset	5450 if (s == NULL)
3cd3cc1e9119 updated for version 7.3.1147 Bram Moolenaar <bram@vim.org> parents: 4799 diff changeset	5451 return FAIL;
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	5452 *colp = (int)(s - rex.line);
4801 3cd3cc1e9119 updated for version 7.3.1147 Bram Moolenaar <bram@vim.org> parents: 4799 diff changeset	5453 return OK;
3cd3cc1e9119 updated for version 7.3.1147 Bram Moolenaar <bram@vim.org> parents: 4799 diff changeset	5454 }
3cd3cc1e9119 updated for version 7.3.1147 Bram Moolenaar <bram@vim.org> parents: 4799 diff changeset	5455
3cd3cc1e9119 updated for version 7.3.1147 Bram Moolenaar <bram@vim.org> parents: 4799 diff changeset	5456 /*
4805 66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	5457 * Check for a match with match_text.
4807 3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	5458 * 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	5459 * 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	5460 */
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	5461 static long
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	5462 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	5463 {
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	5464 colnr_T col = startcol;
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	5465 int c1, c2;
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	5466 int len1, len2;
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	5467 int match;
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	5468
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	5469 for (;;)
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	5470 {
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	5471 match = TRUE;
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	5472 len2 = MB_CHAR2LEN(regstart); // skip regstart
4805 66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	5473 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	5474 {
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	5475 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	5476 c2 = PTR2CHAR(rex.line + col + len2);
20772 097f5b5c907b patch 8.2.0938: NFA regexp uses tolower ()to compare ignore-case Bram Moolenaar <Bram@vim.org> parents: 20677 diff changeset	5477 if (c1 != c2 && (!rex.reg_ic \|\| MB_CASEFOLD(c1) != MB_CASEFOLD(c2)))
4805 66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	5478 {
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	5479 match = FALSE;
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	5480 break;
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	5481 }
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	5482 len2 += MB_CHAR2LEN(c2);
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	5483 }
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	5484 if (match
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	5485 // check that no composing char follows
4805 66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	5486 && !(enc_utf8
15603 639b8318472c patch 8.1.0809: too many #ifdefs Bram Moolenaar <Bram@vim.org> parents: 15490 diff changeset	5487 && utf_iscomposing(PTR2CHAR(rex.line + col + len2))))
4805 66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	5488 {
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	5489 cleanup_subexpr();
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	5490 if (REG_MULTI)
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	5491 {
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	5492 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	5493 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	5494 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	5495 rex.reg_endpos[0].col = col + len2;
4805 66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	5496 }
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	5497 else
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	5498 {
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	5499 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	5500 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	5501 }
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	5502 return 1L;
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	5503 }
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	5504
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	5505 // 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	5506 col += MB_CHAR2LEN(regstart); // skip regstart
4805 66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	5507 if (skip_to_start(regstart, &col) == FAIL)
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	5508 break;
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	5509 }
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	5510 return 0L;
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	5511 }
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	5512
11521 578df034735d patch 8.0.0643: when a pattern search is slow Vim becomes unusable Christian Brabandt <cb@256bit.org> parents: 11480 diff changeset	5513 #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	5514 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	5515 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	5516 {
578df034735d patch 8.0.0643: when a pattern search is slow Vim becomes unusable Christian Brabandt <cb@256bit.org> parents: 11480 diff changeset	5517 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	5518 {
578df034735d patch 8.0.0643: when a pattern search is slow Vim becomes unusable Christian Brabandt <cb@256bit.org> parents: 11480 diff changeset	5519 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	5520 *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	5521 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	5522 }
578df034735d patch 8.0.0643: when a pattern search is slow Vim becomes unusable Christian Brabandt <cb@256bit.org> parents: 11480 diff changeset	5523 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	5524 }
578df034735d patch 8.0.0643: when a pattern search is slow Vim becomes unusable Christian Brabandt <cb@256bit.org> parents: 11480 diff changeset	5525 #endif
578df034735d patch 8.0.0643: when a pattern search is slow Vim becomes unusable Christian Brabandt <cb@256bit.org> parents: 11480 diff changeset	5526
4805 66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	5527 /*
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5528 * Main matching routine.
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5529 *
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	5530 * 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	5531 *
4694 efc4fb311d5d updated for version 7.3.1094 Bram Moolenaar <bram@vim.org> parents: 4692 diff changeset	5532 * 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	5533 *
16491 38a323a6fd18 patch 8.1.1249: compiler warning for uninitialized variable Bram Moolenaar <Bram@vim.org> parents: 16162 diff changeset	5534 * 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	5535 * 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	5536 * 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	5537 *
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5538 * Note: Caller must ensure that: start != NULL.
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5539 */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5540 static int
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	5541 nfa_regmatch(
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	5542 nfa_regprog_T *prog,
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	5543 nfa_state_T *start,
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	5544 regsubs_T *submatch,
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	5545 regsubs_T *m)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5546 {
16491 38a323a6fd18 patch 8.1.1249: compiler warning for uninitialized variable Bram Moolenaar <Bram@vim.org> parents: 16162 diff changeset	5547 int result = FALSE;
6545 1ef8ce97fc40 updated for version 7.4.599 Bram Moolenaar <bram@vim.org> parents: 6533 diff changeset	5548 size_t size = 0;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5549 int flag = 0;
4539 532c2e850256 updated for version 7.3.1017 Bram Moolenaar <bram@vim.org> parents: 4537 diff changeset	5550 int go_to_nextline = FALSE;
532c2e850256 updated for version 7.3.1017 Bram Moolenaar <bram@vim.org> parents: 4537 diff changeset	5551 nfa_thread_T *t;
4783 47222d8b1e94 updated for version 7.3.1138 Bram Moolenaar <bram@vim.org> parents: 4781 diff changeset	5552 nfa_list_T list[2];
4549 849180347ac3 updated for version 7.3.1022 Bram Moolenaar <bram@vim.org> parents: 4547 diff changeset	5553 int listidx;
4539 532c2e850256 updated for version 7.3.1017 Bram Moolenaar <bram@vim.org> parents: 4537 diff changeset	5554 nfa_list_T *thislist;
532c2e850256 updated for version 7.3.1017 Bram Moolenaar <bram@vim.org> parents: 4537 diff changeset	5555 nfa_list_T *nextlist;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5556 int *listids = NULL;
14309 15530de011bc patch 8.1.0170: invalid memory use with complicated pattern Christian Brabandt <cb@256bit.org> parents: 14173 diff changeset	5557 int listids_len = 0;
4726 3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	5558 nfa_state_T *add_state;
4799 e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	5559 int add_here;
4797 a30e3762957d updated for version 7.3.1145 Bram Moolenaar <bram@vim.org> parents: 4787 diff changeset	5560 int add_count;
4819 8c4324e6f477 updated for version 7.3.1156 Bram Moolenaar <bram@vim.org> parents: 4815 diff changeset	5561 int add_off = 0;
4797 a30e3762957d updated for version 7.3.1145 Bram Moolenaar <bram@vim.org> parents: 4787 diff changeset	5562 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	5563 regsubs_T *r;
4460 fe8a0a6a1c2a updated for version 7.3.978 Bram Moolenaar <bram@vim.org> parents: 4458 diff changeset	5564 #ifdef NFA_REGEXP_DEBUG_LOG
8989 e600e696c0a1 commit https://github.com/vim/vim/commit/dc633cf82758f67f656cda7fa8ccc30414ee53f8 Christian Brabandt <cb@256bit.org> parents: 8841 diff changeset	5565 FILE *debug;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5566 #endif
8989 e600e696c0a1 commit https://github.com/vim/vim/commit/dc633cf82758f67f656cda7fa8ccc30414ee53f8 Christian Brabandt <cb@256bit.org> parents: 8841 diff changeset	5567
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	5568 // 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	5569 // 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	5570 fast_breakcheck();
b04bdb2c5fce updated for version 7.4.008 Bram Moolenaar <bram@vim.org> parents: 5300 diff changeset	5571 if (got_int)
b04bdb2c5fce updated for version 7.4.008 Bram Moolenaar <bram@vim.org> parents: 5300 diff changeset	5572 return FALSE;
6573 ffba266e064d updated for version 7.4.613 Bram Moolenaar <bram@vim.org> parents: 6547 diff changeset	5573 #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	5574 if (nfa_did_time_out())
6573 ffba266e064d updated for version 7.4.613 Bram Moolenaar <bram@vim.org> parents: 6547 diff changeset	5575 return FALSE;
ffba266e064d updated for version 7.4.613 Bram Moolenaar <bram@vim.org> parents: 6547 diff changeset	5576 #endif
5310 b04bdb2c5fce updated for version 7.4.008 Bram Moolenaar <bram@vim.org> parents: 5300 diff changeset	5577
8989 e600e696c0a1 commit https://github.com/vim/vim/commit/dc633cf82758f67f656cda7fa8ccc30414ee53f8 Christian Brabandt <cb@256bit.org> parents: 8841 diff changeset	5578 #ifdef NFA_REGEXP_DEBUG_LOG
e600e696c0a1 commit https://github.com/vim/vim/commit/dc633cf82758f67f656cda7fa8ccc30414ee53f8 Christian Brabandt <cb@256bit.org> parents: 8841 diff changeset	5579 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	5580 if (debug == NULL)
e600e696c0a1 commit https://github.com/vim/vim/commit/dc633cf82758f67f656cda7fa8ccc30414ee53f8 Christian Brabandt <cb@256bit.org> parents: 8841 diff changeset	5581 {
15470 55ccc2d353bd patch 8.1.0743: giving error messages is not flexible Bram Moolenaar <Bram@vim.org> parents: 15265 diff changeset	5582 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	5583 return FALSE;
e600e696c0a1 commit https://github.com/vim/vim/commit/dc633cf82758f67f656cda7fa8ccc30414ee53f8 Christian Brabandt <cb@256bit.org> parents: 8841 diff changeset	5584 }
e600e696c0a1 commit https://github.com/vim/vim/commit/dc633cf82758f67f656cda7fa8ccc30414ee53f8 Christian Brabandt <cb@256bit.org> parents: 8841 diff changeset	5585 #endif
4561 4d81fdda8f35 updated for version 7.3.1028 Bram Moolenaar <bram@vim.org> parents: 4559 diff changeset	5586 nfa_match = FALSE;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5587
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	5588 // 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	5589 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	5590
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	5591 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	5592 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	5593 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	5594 list[1].len = prog->nstate + 1;
4783 47222d8b1e94 updated for version 7.3.1138 Bram Moolenaar <bram@vim.org> parents: 4781 diff changeset	5595 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	5596 goto theend;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5597
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5598 #ifdef ENABLE_LOG
4531 1be43c095aff updated for version 7.3.1013 Bram Moolenaar <bram@vim.org> parents: 4529 diff changeset	5599 log_fd = fopen(NFA_REGEXP_RUN_LOG, "a");
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5600 if (log_fd != NULL)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5601 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5602 fprintf(log_fd, "**********************************\n");
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5603 nfa_set_code(start->c);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5604 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	5605 abs(start->id), code);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5606 fprintf(log_fd, "**********************************\n");
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5607 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5608 else
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5609 {
15470 55ccc2d353bd patch 8.1.0743: giving error messages is not flexible Bram Moolenaar <Bram@vim.org> parents: 15265 diff changeset	5610 emsg(_(e_log_open_failed));
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5611 log_fd = stderr;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5612 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5613 #endif
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5614
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5615 thislist = &list[0];
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5616 thislist->n = 0;
5227 a08fa2919f2b updated for version 7.4a.039 Bram Moolenaar <bram@vim.org> parents: 5221 diff changeset	5617 thislist->has_pim = FALSE;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5618 nextlist = &list[1];
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5619 nextlist->n = 0;
5227 a08fa2919f2b updated for version 7.4a.039 Bram Moolenaar <bram@vim.org> parents: 5221 diff changeset	5620 nextlist->has_pim = FALSE;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5621 #ifdef ENABLE_LOG
4797 a30e3762957d updated for version 7.3.1145 Bram Moolenaar <bram@vim.org> parents: 4787 diff changeset	5622 fprintf(log_fd, "(---) STARTSTATE first\n");
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5623 #endif
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	5624 thislist->id = rex.nfa_listid + 1;
4797 a30e3762957d updated for version 7.3.1145 Bram Moolenaar <bram@vim.org> parents: 4787 diff changeset	5625
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	5626 // 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	5627 // it's the first MOPEN.
4797 a30e3762957d updated for version 7.3.1145 Bram Moolenaar <bram@vim.org> parents: 4787 diff changeset	5628 if (toplevel)
a30e3762957d updated for version 7.3.1145 Bram Moolenaar <bram@vim.org> parents: 4787 diff changeset	5629 {
a30e3762957d updated for version 7.3.1145 Bram Moolenaar <bram@vim.org> parents: 4787 diff changeset	5630 if (REG_MULTI)
a30e3762957d updated for version 7.3.1145 Bram Moolenaar <bram@vim.org> parents: 4787 diff changeset	5631 {
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	5632 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	5633 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	5634 }
a30e3762957d updated for version 7.3.1145 Bram Moolenaar <bram@vim.org> parents: 4787 diff changeset	5635 else
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	5636 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	5637 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	5638 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	5639 }
a30e3762957d updated for version 7.3.1145 Bram Moolenaar <bram@vim.org> parents: 4787 diff changeset	5640 else
15796 481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	5641 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	5642 if (r == NULL)
481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	5643 {
481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	5644 nfa_match = NFA_TOO_EXPENSIVE;
481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	5645 goto theend;
481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	5646 }
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5647
4783 47222d8b1e94 updated for version 7.3.1138 Bram Moolenaar <bram@vim.org> parents: 4781 diff changeset	5648 #define ADD_STATE_IF_MATCH(state) \
47222d8b1e94 updated for version 7.3.1138 Bram Moolenaar <bram@vim.org> parents: 4781 diff changeset	5649 if (result) { \
4726 3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	5650 add_state = state->out; \
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	5651 add_off = clen; \
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	5652 }
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5653
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5654 /*
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5655 * Run for each character.
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5656 */
4515 90e9917d4114 updated for version 7.3.1005 Bram Moolenaar <bram@vim.org> parents: 4507 diff changeset	5657 for (;;)
90e9917d4114 updated for version 7.3.1005 Bram Moolenaar <bram@vim.org> parents: 4507 diff changeset	5658 {
4549 849180347ac3 updated for version 7.3.1022 Bram Moolenaar <bram@vim.org> parents: 4547 diff changeset	5659 int curc;
849180347ac3 updated for version 7.3.1022 Bram Moolenaar <bram@vim.org> parents: 4547 diff changeset	5660 int clen;
849180347ac3 updated for version 7.3.1022 Bram Moolenaar <bram@vim.org> parents: 4547 diff changeset	5661
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5662 if (has_mbyte)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5663 {
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	5664 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	5665 clen = (*mb_ptr2len)(rex.input);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5666 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5667 else
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5668 {
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	5669 curc = *rex.input;
4549 849180347ac3 updated for version 7.3.1022 Bram Moolenaar <bram@vim.org> parents: 4547 diff changeset	5670 clen = 1;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5671 }
4549 849180347ac3 updated for version 7.3.1022 Bram Moolenaar <bram@vim.org> parents: 4547 diff changeset	5672 if (curc == NUL)
4515 90e9917d4114 updated for version 7.3.1005 Bram Moolenaar <bram@vim.org> parents: 4507 diff changeset	5673 {
4549 849180347ac3 updated for version 7.3.1022 Bram Moolenaar <bram@vim.org> parents: 4547 diff changeset	5674 clen = 0;
4515 90e9917d4114 updated for version 7.3.1005 Bram Moolenaar <bram@vim.org> parents: 4507 diff changeset	5675 go_to_nextline = FALSE;
90e9917d4114 updated for version 7.3.1005 Bram Moolenaar <bram@vim.org> parents: 4507 diff changeset	5676 }
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5677
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	5678 // swap lists
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5679 thislist = &list[flag];
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5680 nextlist = &list[flag ^= 1];
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	5681 nextlist->n = 0; // clear nextlist
5227 a08fa2919f2b updated for version 7.4a.039 Bram Moolenaar <bram@vim.org> parents: 5221 diff changeset	5682 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	5683 ++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	5684 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	5685 && (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	5686 # ifdef FEAT_EVAL
4b59671bce9c patch 8.1.0104: can't build without the +eval feature Christian Brabandt <cb@256bit.org> parents: 14163 diff changeset	5687 \|\| 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	5688 # endif
4b59671bce9c patch 8.1.0104: can't build without the +eval feature Christian Brabandt <cb@256bit.org> parents: 14163 diff changeset	5689 ))
6328 adfbffe1e642 updated for version 7.4.497 Bram Moolenaar <bram@vim.org> parents: 6280 diff changeset	5690 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	5691 // too many states, retry with old engine
6328 adfbffe1e642 updated for version 7.4.497 Bram Moolenaar <bram@vim.org> parents: 6280 diff changeset	5692 nfa_match = NFA_TOO_EXPENSIVE;
adfbffe1e642 updated for version 7.4.497 Bram Moolenaar <bram@vim.org> parents: 6280 diff changeset	5693 goto theend;
adfbffe1e642 updated for version 7.4.497 Bram Moolenaar <bram@vim.org> parents: 6280 diff changeset	5694 }
adfbffe1e642 updated for version 7.4.497 Bram Moolenaar <bram@vim.org> parents: 6280 diff changeset	5695
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	5696 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	5697 nextlist->id = rex.nfa_listid + 1;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5698
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5699 #ifdef ENABLE_LOG
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5700 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	5701 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	5702 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	5703 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	5704 {
849180347ac3 updated for version 7.3.1022 Bram Moolenaar <bram@vim.org> parents: 4547 diff changeset	5705 int i;
849180347ac3 updated for version 7.3.1022 Bram Moolenaar <bram@vim.org> parents: 4547 diff changeset	5706
849180347ac3 updated for version 7.3.1022 Bram Moolenaar <bram@vim.org> parents: 4547 diff changeset	5707 for (i = 0; i < thislist->n; i++)
849180347ac3 updated for version 7.3.1022 Bram Moolenaar <bram@vim.org> parents: 4547 diff changeset	5708 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	5709 }
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5710 fprintf(log_fd, "\n");
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5711 #endif
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5712
4460 fe8a0a6a1c2a updated for version 7.3.978 Bram Moolenaar <bram@vim.org> parents: 4458 diff changeset	5713 #ifdef NFA_REGEXP_DEBUG_LOG
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5714 fprintf(debug, "\n-------------------\n");
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5715 #endif
4480 035fb0d5e7ce updated for version 7.3.988 Bram Moolenaar <bram@vim.org> parents: 4470 diff changeset	5716 /*
035fb0d5e7ce updated for version 7.3.988 Bram Moolenaar <bram@vim.org> parents: 4470 diff changeset	5717 * 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	5718 */
4783 47222d8b1e94 updated for version 7.3.1138 Bram Moolenaar <bram@vim.org> parents: 4781 diff changeset	5719 if (thislist->n == 0)
4480 035fb0d5e7ce updated for version 7.3.988 Bram Moolenaar <bram@vim.org> parents: 4470 diff changeset	5720 break;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5721
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	5722 // compute nextlist
4783 47222d8b1e94 updated for version 7.3.1138 Bram Moolenaar <bram@vim.org> parents: 4781 diff changeset	5723 for (listidx = 0; listidx < thislist->n; ++listidx)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5724 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	5725 // 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	5726 // 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	5727 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	5728 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	5729 break;
578df034735d patch 8.0.0643: when a pattern search is slow Vim becomes unusable Christian Brabandt <cb@256bit.org> parents: 11480 diff changeset	5730 #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	5731 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	5732 {
578df034735d patch 8.0.0643: when a pattern search is slow Vim becomes unusable Christian Brabandt <cb@256bit.org> parents: 11480 diff changeset	5733 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	5734 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	5735 break;
578df034735d patch 8.0.0643: when a pattern search is slow Vim becomes unusable Christian Brabandt <cb@256bit.org> parents: 11480 diff changeset	5736 }
578df034735d patch 8.0.0643: when a pattern search is slow Vim becomes unusable Christian Brabandt <cb@256bit.org> parents: 11480 diff changeset	5737 #endif
4783 47222d8b1e94 updated for version 7.3.1138 Bram Moolenaar <bram@vim.org> parents: 4781 diff changeset	5738 t = &thislist->t[listidx];
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5739
4460 fe8a0a6a1c2a updated for version 7.3.978 Bram Moolenaar <bram@vim.org> parents: 4458 diff changeset	5740 #ifdef NFA_REGEXP_DEBUG_LOG
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5741 nfa_set_code(t->state->c);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5742 fprintf(debug, "%s, ", code);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5743 #endif
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5744 #ifdef ENABLE_LOG
4657 93b7ed814bec updated for version 7.3.1076 Bram Moolenaar <bram@vim.org> parents: 4655 diff changeset	5745 {
93b7ed814bec updated for version 7.3.1076 Bram Moolenaar <bram@vim.org> parents: 4655 diff changeset	5746 int col;
93b7ed814bec updated for version 7.3.1076 Bram Moolenaar <bram@vim.org> parents: 4655 diff changeset	5747
4690 9d97a0c045ef updated for version 7.3.1092 Bram Moolenaar <bram@vim.org> parents: 4688 diff changeset	5748 if (t->subs.norm.in_use <= 0)
4657 93b7ed814bec updated for version 7.3.1076 Bram Moolenaar <bram@vim.org> parents: 4655 diff changeset	5749 col = -1;
93b7ed814bec updated for version 7.3.1076 Bram Moolenaar <bram@vim.org> parents: 4655 diff changeset	5750 else if (REG_MULTI)
6547 436d6c9e57f2 updated for version 7.4.600 Bram Moolenaar <bram@vim.org> parents: 6545 diff changeset	5751 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	5752 else
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	5753 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	5754 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	5755 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	5756 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	5757 pim_info(&t->pim));
4657 93b7ed814bec updated for version 7.3.1076 Bram Moolenaar <bram@vim.org> parents: 4655 diff changeset	5758 }
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5759 #endif
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5760
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5761 /*
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5762 * Handle the possible codes of the current state.
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5763 * The most important is NFA_MATCH.
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5764 */
4726 3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	5765 add_state = NULL;
4799 e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	5766 add_here = FALSE;
4726 3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	5767 add_count = 0;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5768 switch (t->state->c)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5769 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5770 case NFA_MATCH:
4567 96c1a7850097 updated for version 7.3.1031 Bram Moolenaar <bram@vim.org> parents: 4565 diff changeset	5771 {
23262 dca9e6b931d3 patch 8.2.2177: pattern "^" does not match if first character is combining Bram Moolenaar <Bram@vim.org> parents: 23251 diff changeset	5772 // If the match is not at the start of the line, ends before a
dca9e6b931d3 patch 8.2.2177: pattern "^" does not match if first character is combining Bram Moolenaar <Bram@vim.org> parents: 23251 diff changeset	5773 // composing characters and rex.reg_icombine is not set, that
dca9e6b931d3 patch 8.2.2177: pattern "^" does not match if first character is combining Bram Moolenaar <Bram@vim.org> parents: 23251 diff changeset	5774 // is not really a match.
dca9e6b931d3 patch 8.2.2177: pattern "^" does not match if first character is combining Bram Moolenaar <Bram@vim.org> parents: 23251 diff changeset	5775 if (enc_utf8 && !rex.reg_icombine
dca9e6b931d3 patch 8.2.2177: pattern "^" does not match if first character is combining Bram Moolenaar <Bram@vim.org> parents: 23251 diff changeset	5776 && rex.input != rex.line && utf_iscomposing(curc))
5901 10fc95f48546 updated for version 7.4.293 Bram Moolenaar <bram@vim.org> parents: 5895 diff changeset	5777 break;
15603 639b8318472c patch 8.1.0809: too many #ifdefs Bram Moolenaar <Bram@vim.org> parents: 15490 diff changeset	5778
4561 4d81fdda8f35 updated for version 7.3.1028 Bram Moolenaar <bram@vim.org> parents: 4559 diff changeset	5779 nfa_match = TRUE;
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	5780 copy_sub(&submatch->norm, &t->subs.norm);
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	5781 #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	5782 if (rex.nfa_has_zsubexpr)
4712 832bf8136d86 updated for version 7.3.1103 Bram Moolenaar <bram@vim.org> parents: 4696 diff changeset	5783 copy_sub(&submatch->synt, &t->subs.synt);
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	5784 #endif
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5785 #ifdef ENABLE_LOG
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	5786 log_subsexpr(&t->subs);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5787 #endif
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	5788 // 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	5789 // 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	5790 // 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	5791 // correct.
4783 47222d8b1e94 updated for version 7.3.1138 Bram Moolenaar <bram@vim.org> parents: 4781 diff changeset	5792 if (nextlist->n == 0)
4553 7b835b2969af updated for version 7.3.1024 Bram Moolenaar <bram@vim.org> parents: 4551 diff changeset	5793 clen = 0;
4515 90e9917d4114 updated for version 7.3.1005 Bram Moolenaar <bram@vim.org> parents: 4507 diff changeset	5794 goto nextchar;
4567 96c1a7850097 updated for version 7.3.1031 Bram Moolenaar <bram@vim.org> parents: 4565 diff changeset	5795 }
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5796
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5797 case NFA_END_INVISIBLE:
4785 3b5a023a4543 updated for version 7.3.1139 Bram Moolenaar <bram@vim.org> parents: 4783 diff changeset	5798 case NFA_END_INVISIBLE_NEG:
4750 7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	5799 case NFA_END_PATTERN:
4716 a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5800 /*
a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5801 * 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	5802 * NFA_START_INVISIBLE_BEFORE node.
2f51ee8825db updated for version 7.3.1088 Bram Moolenaar <bram@vim.org> parents: 4679 diff changeset	5803 * They surround a zero-width group, used with "\@=", "\&",
2f51ee8825db updated for version 7.3.1088 Bram Moolenaar <bram@vim.org> parents: 4679 diff changeset	5804 * "\@!", "\@<=" and "\@<!".
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5805 * 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	5806 * 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	5807 * 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	5808 * in the position in "nfa_endp".
a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5809 * 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	5810 */
4682 2f51ee8825db updated for version 7.3.1088 Bram Moolenaar <bram@vim.org> parents: 4679 diff changeset	5811 #ifdef ENABLE_LOG
4716 a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5812 if (nfa_endp != NULL)
a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5813 {
a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5814 if (REG_MULTI)
a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5815 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	5816 (int)rex.lnum,
4716 a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5817 (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	5818 (int)(rex.input - rex.line),
4716 a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5819 nfa_endp->se_u.pos.col);
a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5820 else
a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5821 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	5822 (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	5823 (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	5824 }
4682 2f51ee8825db updated for version 7.3.1088 Bram Moolenaar <bram@vim.org> parents: 4679 diff changeset	5825 #endif
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	5826 // 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	5827 // "nfa_endp"
4716 a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5828 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	5829 ? (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	5830 \|\| (int)(rex.input - rex.line)
4716 a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5831 != 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	5832 : rex.input != nfa_endp->se_u.ptr))
4716 a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5833 break;
a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5834
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	5835 // do not set submatches for \@!
4785 3b5a023a4543 updated for version 7.3.1139 Bram Moolenaar <bram@vim.org> parents: 4783 diff changeset	5836 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	5837 {
a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5838 copy_sub(&m->norm, &t->subs.norm);
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	5839 #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	5840 if (rex.nfa_has_zsubexpr)
4716 a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5841 copy_sub(&m->synt, &t->subs.synt);
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	5842 #endif
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5843 }
4750 7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	5844 #ifdef ENABLE_LOG
7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	5845 fprintf(log_fd, "Match found:\n");
7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	5846 log_subsexpr(m);
7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	5847 #endif
4716 a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5848 nfa_match = TRUE;
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	5849 // See comment above at "goto nextchar".
5334 c1ae5baa41f4 updated for version 7.4.020 Bram Moolenaar <bram@vim.org> parents: 5310 diff changeset	5850 if (nextlist->n == 0)
c1ae5baa41f4 updated for version 7.4.020 Bram Moolenaar <bram@vim.org> parents: 5310 diff changeset	5851 clen = 0;
c1ae5baa41f4 updated for version 7.4.020 Bram Moolenaar <bram@vim.org> parents: 5310 diff changeset	5852 goto nextchar;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5853
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5854 case NFA_START_INVISIBLE:
4845 a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	5855 case NFA_START_INVISIBLE_FIRST:
4785 3b5a023a4543 updated for version 7.3.1139 Bram Moolenaar <bram@vim.org> parents: 4783 diff changeset	5856 case NFA_START_INVISIBLE_NEG:
4845 a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	5857 case NFA_START_INVISIBLE_NEG_FIRST:
4682 2f51ee8825db updated for version 7.3.1088 Bram Moolenaar <bram@vim.org> parents: 4679 diff changeset	5858 case NFA_START_INVISIBLE_BEFORE:
4845 a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	5859 case NFA_START_INVISIBLE_BEFORE_FIRST:
4785 3b5a023a4543 updated for version 7.3.1139 Bram Moolenaar <bram@vim.org> parents: 4783 diff changeset	5860 case NFA_START_INVISIBLE_BEFORE_NEG:
4845 a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	5861 case NFA_START_INVISIBLE_BEFORE_NEG_FIRST:
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5862 {
4821 2f1ee97f5f23 updated for version 7.3.1157 Bram Moolenaar <bram@vim.org> parents: 4819 diff changeset	5863 #ifdef ENABLE_LOG
2f1ee97f5f23 updated for version 7.3.1157 Bram Moolenaar <bram@vim.org> parents: 4819 diff changeset	5864 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	5865 failure_chance(t->state->out, 0),
2f1ee97f5f23 updated for version 7.3.1157 Bram Moolenaar <bram@vim.org> parents: 4819 diff changeset	5866 failure_chance(t->state->out1->out, 0));
2f1ee97f5f23 updated for version 7.3.1157 Bram Moolenaar <bram@vim.org> parents: 4819 diff changeset	5867 #endif
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	5868 // 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	5869 // nfa_postprocess() detected it will work better.
4845 a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	5870 if (t->pim.result != NFA_PIM_UNUSED
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	5871 \|\| t->state->c == NFA_START_INVISIBLE_FIRST
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	5872 \|\| t->state->c == NFA_START_INVISIBLE_NEG_FIRST
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	5873 \|\| t->state->c == NFA_START_INVISIBLE_BEFORE_FIRST
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	5874 \|\| 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	5875 {
5029 c9e2ccc53f2e updated for version 7.3.1258 Bram Moolenaar <bram@vim.org> parents: 5006 diff changeset	5876 int in_use = m->norm.in_use;
c9e2ccc53f2e updated for version 7.3.1258 Bram Moolenaar <bram@vim.org> parents: 5006 diff changeset	5877
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	5878 // 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	5879 // of what happens on success below.
4997 8a7d3a73adab updated for version 7.3.1243 Bram Moolenaar <bram@vim.org> parents: 4958 diff changeset	5880 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	5881 #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	5882 if (rex.nfa_has_zsubexpr)
5370 90e2f0729a0d updated for version 7.4.036 Bram Moolenaar <bram@vim.org> parents: 5360 diff changeset	5883 copy_sub_off(&m->synt, &t->subs.synt);
90e2f0729a0d updated for version 7.4.036 Bram Moolenaar <bram@vim.org> parents: 5360 diff changeset	5884 #endif
4997 8a7d3a73adab updated for version 7.3.1243 Bram Moolenaar <bram@vim.org> parents: 4958 diff changeset	5885
4726 3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	5886 /*
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	5887 * First try matching the invisible match, then what
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	5888 * follows.
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	5889 */
4813 bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	5890 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	5891 submatch, m, &listids, &listids_len);
6328 adfbffe1e642 updated for version 7.4.497 Bram Moolenaar <bram@vim.org> parents: 6280 diff changeset	5892 if (result == NFA_TOO_EXPENSIVE)
adfbffe1e642 updated for version 7.4.497 Bram Moolenaar <bram@vim.org> parents: 6280 diff changeset	5893 {
adfbffe1e642 updated for version 7.4.497 Bram Moolenaar <bram@vim.org> parents: 6280 diff changeset	5894 nfa_match = result;
adfbffe1e642 updated for version 7.4.497 Bram Moolenaar <bram@vim.org> parents: 6280 diff changeset	5895 goto theend;
adfbffe1e642 updated for version 7.4.497 Bram Moolenaar <bram@vim.org> parents: 6280 diff changeset	5896 }
4726 3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	5897
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	5898 // 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	5899 // FALSE
4785 3b5a023a4543 updated for version 7.3.1139 Bram Moolenaar <bram@vim.org> parents: 4783 diff changeset	5900 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	5901 \|\| t->state->c == NFA_START_INVISIBLE_NEG_FIRST
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	5902 \|\| t->state->c
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	5903 == NFA_START_INVISIBLE_BEFORE_NEG
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	5904 \|\| t->state->c
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	5905 == NFA_START_INVISIBLE_BEFORE_NEG_FIRST))
4726 3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	5906 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	5907 // Copy submatch info from the recursive call
4726 3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	5908 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	5909 #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	5910 if (rex.nfa_has_zsubexpr)
4768 82e6588762e4 updated for version 7.3.1131 Bram Moolenaar <bram@vim.org> parents: 4762 diff changeset	5911 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	5912 #endif
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	5913 // 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	5914 // sub pattern, use it.
5372 c3d379c2a115 updated for version 7.4.037 Bram Moolenaar <bram@vim.org> parents: 5370 diff changeset	5915 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	5916
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	5917 // 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	5918 // 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	5919 // list (zero-width match).
4799 e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	5920 add_here = TRUE;
e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	5921 add_state = t->state->out1->out;
4726 3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	5922 }
5029 c9e2ccc53f2e updated for version 7.3.1258 Bram Moolenaar <bram@vim.org> parents: 5006 diff changeset	5923 m->norm.in_use = in_use;
4726 3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	5924 }
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	5925 else
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	5926 {
4813 bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	5927 nfa_pim_T pim;
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	5928
4726 3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	5929 /*
4813 bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	5930 * 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	5931 * 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	5932 * 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	5933 * about the invisible match.
4726 3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	5934 */
4813 bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	5935 pim.state = t->state;
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	5936 pim.result = NFA_PIM_TODO;
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	5937 pim.subs.norm.in_use = 0;
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	5938 #ifdef FEAT_SYN_HL
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	5939 pim.subs.synt.in_use = 0;
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	5940 #endif
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	5941 if (REG_MULTI)
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	5942 {
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	5943 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	5944 pim.end.pos.lnum = rex.lnum;
4813 bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	5945 }
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	5946 else
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	5947 pim.end.ptr = rex.input;
4726 3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	5948
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	5949 // 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	5950 // 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	5951 // match).
15796 481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	5952 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	5953 &t->subs, &pim, &listidx) == NULL)
481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	5954 {
481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	5955 nfa_match = NFA_TOO_EXPENSIVE;
481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	5956 goto theend;
481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	5957 }
4726 3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	5958 }
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5959 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5960 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5961
4750 7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	5962 case NFA_START_PATTERN:
4787 7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	5963 {
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	5964 nfa_state_T *skip = NULL;
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	5965 #ifdef ENABLE_LOG
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	5966 int skip_lid = 0;
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	5967 #endif
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	5968
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	5969 // 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	5970 // 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	5971 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	5972 {
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	5973 skip = t->state->out1->out;
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	5974 #ifdef ENABLE_LOG
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	5975 skip_lid = nextlist->id;
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	5976 #endif
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	5977 }
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	5978 else if (state_in_list(nextlist,
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	5979 t->state->out1->out->out, &t->subs))
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	5980 {
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	5981 skip = t->state->out1->out->out;
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	5982 #ifdef ENABLE_LOG
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	5983 skip_lid = nextlist->id;
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	5984 #endif
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	5985 }
4897 91136a41f83f updated for version 7.3.1194 Bram Moolenaar <bram@vim.org> parents: 4893 diff changeset	5986 else if (state_in_list(thislist,
4787 7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	5987 t->state->out1->out->out, &t->subs))
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	5988 {
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	5989 skip = t->state->out1->out->out;
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	5990 #ifdef ENABLE_LOG
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	5991 skip_lid = thislist->id;
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	5992 #endif
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	5993 }
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	5994 if (skip != NULL)
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	5995 {
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	5996 #ifdef ENABLE_LOG
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	5997 nfa_set_code(skip->c);
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	5998 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	5999 abs(skip->id), skip_lid, skip->c, code);
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	6000 #endif
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	6001 break;
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	6002 }
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6003 // 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	6004 // happens afterwards.
5370 90e2f0729a0d updated for version 7.4.036 Bram Moolenaar <bram@vim.org> parents: 5360 diff changeset	6005 copy_sub_off(&m->norm, &t->subs.norm);
90e2f0729a0d updated for version 7.4.036 Bram Moolenaar <bram@vim.org> parents: 5360 diff changeset	6006 #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	6007 if (rex.nfa_has_zsubexpr)
5370 90e2f0729a0d updated for version 7.4.036 Bram Moolenaar <bram@vim.org> parents: 5360 diff changeset	6008 copy_sub_off(&m->synt, &t->subs.synt);
90e2f0729a0d updated for version 7.4.036 Bram Moolenaar <bram@vim.org> parents: 5360 diff changeset	6009 #endif
4787 7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	6010
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6011 // First try matching the pattern.
4813 bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	6012 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	6013 submatch, m, &listids, &listids_len);
6328 adfbffe1e642 updated for version 7.4.497 Bram Moolenaar <bram@vim.org> parents: 6280 diff changeset	6014 if (result == NFA_TOO_EXPENSIVE)
adfbffe1e642 updated for version 7.4.497 Bram Moolenaar <bram@vim.org> parents: 6280 diff changeset	6015 {
adfbffe1e642 updated for version 7.4.497 Bram Moolenaar <bram@vim.org> parents: 6280 diff changeset	6016 nfa_match = result;
adfbffe1e642 updated for version 7.4.497 Bram Moolenaar <bram@vim.org> parents: 6280 diff changeset	6017 goto theend;
adfbffe1e642 updated for version 7.4.497 Bram Moolenaar <bram@vim.org> parents: 6280 diff changeset	6018 }
4750 7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	6019 if (result)
7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	6020 {
7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	6021 int bytelen;
7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	6022
7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	6023 #ifdef ENABLE_LOG
7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	6024 fprintf(log_fd, "NFA_START_PATTERN matches:\n");
7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	6025 log_subsexpr(m);
7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	6026 #endif
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6027 // Copy submatch info from the recursive call
4750 7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	6028 copy_sub_off(&t->subs.norm, &m->norm);
7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	6029 #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	6030 if (rex.nfa_has_zsubexpr)
4768 82e6588762e4 updated for version 7.3.1131 Bram Moolenaar <bram@vim.org> parents: 4762 diff changeset	6031 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	6032 #endif
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6033 // 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	6034 // continue with what follows.
4750 7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	6035 if (REG_MULTI)
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6036 // TODO: multi-line match
6547 436d6c9e57f2 updated for version 7.4.600 Bram Moolenaar <bram@vim.org> parents: 6545 diff changeset	6037 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	6038 - (int)(rex.input - rex.line);
4750 7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	6039 else
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	6040 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	6041
7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	6042 #ifdef ENABLE_LOG
7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	6043 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	6044 #endif
7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	6045 if (bytelen == 0)
7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	6046 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6047 // empty match, output of corresponding
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6048 // 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	6049 // position
4799 e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6050 add_here = TRUE;
e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6051 add_state = t->state->out1->out->out;
4750 7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	6052 }
7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	6053 else if (bytelen <= clen)
7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	6054 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6055 // 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	6056 // 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	6057 add_state = t->state->out1->out->out;
7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	6058 add_off = clen;
7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	6059 }
7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	6060 else
7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	6061 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6062 // 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	6063 // count in NFA_SKIP
4750 7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	6064 add_state = t->state->out1->out;
7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	6065 add_off = bytelen;
7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	6066 add_count = bytelen - clen;
7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	6067 }
7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	6068 }
7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	6069 break;
4787 7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	6070 }
4750 7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	6071
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6072 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	6073 if (rex.input == rex.line)
4799 e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6074 {
e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6075 add_here = TRUE;
e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6076 add_state = t->state->out;
e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6077 }
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6078 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6079
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6080 case NFA_EOL:
4549 849180347ac3 updated for version 7.3.1022 Bram Moolenaar <bram@vim.org> parents: 4547 diff changeset	6081 if (curc == NUL)
4799 e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6082 {
e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6083 add_here = TRUE;
e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6084 add_state = t->state->out;
e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6085 }
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6086 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6087
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6088 case NFA_BOW:
4785 3b5a023a4543 updated for version 7.3.1139 Bram Moolenaar <bram@vim.org> parents: 4783 diff changeset	6089 result = TRUE;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6090
4549 849180347ac3 updated for version 7.3.1022 Bram Moolenaar <bram@vim.org> parents: 4547 diff changeset	6091 if (curc == NUL)
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;
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 if (this_class <= 1)
4785 3b5a023a4543 updated for version 7.3.1139 Bram Moolenaar <bram@vim.org> parents: 4783 diff changeset	6100 result = FALSE;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6101 else if (reg_prev_class() == this_class)
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 }
10245 d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10170 diff changeset	6104 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	6105 \|\| (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	6106 && 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	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
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6115 case NFA_EOW:
4785 3b5a023a4543 updated for version 7.3.1139 Bram Moolenaar <bram@vim.org> parents: 4783 diff changeset	6116 result = TRUE;
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	6117 if (rex.input == rex.line)
4785 3b5a023a4543 updated for version 7.3.1139 Bram Moolenaar <bram@vim.org> parents: 4783 diff changeset	6118 result = FALSE;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6119 else if (has_mbyte)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6120 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6121 int this_class, prev_class;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6122
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6123 // 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	6124 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	6125 prev_class = reg_prev_class();
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6126 if (this_class == prev_class
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6127 \|\| prev_class == 0 \|\| prev_class == 1)
4785 3b5a023a4543 updated for version 7.3.1139 Bram Moolenaar <bram@vim.org> parents: 4783 diff changeset	6128 result = FALSE;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6129 }
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	6130 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	6131 \|\| (rex.input[0] != NUL
10245 d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10170 diff changeset	6132 && vim_iswordc_buf(curc, rex.reg_buf)))
4785 3b5a023a4543 updated for version 7.3.1139 Bram Moolenaar <bram@vim.org> parents: 4783 diff changeset	6133 result = FALSE;
3b5a023a4543 updated for version 7.3.1139 Bram Moolenaar <bram@vim.org> parents: 4783 diff changeset	6134 if (result)
4799 e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6135 {
e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6136 add_here = TRUE;
e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6137 add_state = t->state->out;
e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6138 }
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6139 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6140
4671 b3c59716e700 updated for version 7.3.1083 Bram Moolenaar <bram@vim.org> parents: 4669 diff changeset	6141 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	6142 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	6143 && (!REG_MULTI \|\| rex.reg_firstlnum == 1))
4799 e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6144 {
e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6145 add_here = TRUE;
e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6146 add_state = t->state->out;
e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6147 }
4671 b3c59716e700 updated for version 7.3.1083 Bram Moolenaar <bram@vim.org> parents: 4669 diff changeset	6148 break;
b3c59716e700 updated for version 7.3.1083 Bram Moolenaar <bram@vim.org> parents: 4669 diff changeset	6149
b3c59716e700 updated for version 7.3.1083 Bram Moolenaar <bram@vim.org> parents: 4669 diff changeset	6150 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	6151 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	6152 {
e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6153 add_here = TRUE;
e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6154 add_state = t->state->out;
e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6155 }
4671 b3c59716e700 updated for version 7.3.1083 Bram Moolenaar <bram@vim.org> parents: 4669 diff changeset	6156 break;
b3c59716e700 updated for version 7.3.1083 Bram Moolenaar <bram@vim.org> parents: 4669 diff changeset	6157
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6158 case NFA_COMPOSING:
4527 55bcaa1d2749 updated for version 7.3.1011 Bram Moolenaar <bram@vim.org> parents: 4525 diff changeset	6159 {
4549 849180347ac3 updated for version 7.3.1022 Bram Moolenaar <bram@vim.org> parents: 4547 diff changeset	6160 int mc = curc;
4531 1be43c095aff updated for version 7.3.1013 Bram Moolenaar <bram@vim.org> parents: 4529 diff changeset	6161 int len = 0;
1be43c095aff updated for version 7.3.1013 Bram Moolenaar <bram@vim.org> parents: 4529 diff changeset	6162 nfa_state_T *end;
1be43c095aff updated for version 7.3.1013 Bram Moolenaar <bram@vim.org> parents: 4529 diff changeset	6163 nfa_state_T *sta;
4547 fc997f05cbc7 updated for version 7.3.1021 Bram Moolenaar <bram@vim.org> parents: 4543 diff changeset	6164 int cchars[MAX_MCO];
fc997f05cbc7 updated for version 7.3.1021 Bram Moolenaar <bram@vim.org> parents: 4543 diff changeset	6165 int ccount = 0;
fc997f05cbc7 updated for version 7.3.1021 Bram Moolenaar <bram@vim.org> parents: 4543 diff changeset	6166 int j;
fc997f05cbc7 updated for version 7.3.1021 Bram Moolenaar <bram@vim.org> parents: 4543 diff changeset	6167
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6168 sta = t->state->out;
4527 55bcaa1d2749 updated for version 7.3.1011 Bram Moolenaar <bram@vim.org> parents: 4525 diff changeset	6169 len = 0;
4535 45f97c349537 updated for version 7.3.1015 Bram Moolenaar <bram@vim.org> parents: 4533 diff changeset	6170 if (utf_iscomposing(sta->c))
45f97c349537 updated for version 7.3.1015 Bram Moolenaar <bram@vim.org> parents: 4533 diff changeset	6171 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6172 // 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	6173 // 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	6174 // (no preceding character).
4549 849180347ac3 updated for version 7.3.1022 Bram Moolenaar <bram@vim.org> parents: 4547 diff changeset	6175 len += mb_char2len(mc);
4535 45f97c349537 updated for version 7.3.1015 Bram Moolenaar <bram@vim.org> parents: 4533 diff changeset	6176 }
10245 d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10170 diff changeset	6177 if (rex.reg_icombine && len == 0)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6178 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6179 // 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	6180 // 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	6181 if (sta->c != curc)
4529 432a6b8c7d93 updated for version 7.3.1012 Bram Moolenaar <bram@vim.org> parents: 4527 diff changeset	6182 result = FAIL;
4547 fc997f05cbc7 updated for version 7.3.1021 Bram Moolenaar <bram@vim.org> parents: 4543 diff changeset	6183 else
fc997f05cbc7 updated for version 7.3.1021 Bram Moolenaar <bram@vim.org> parents: 4543 diff changeset	6184 result = OK;
4529 432a6b8c7d93 updated for version 7.3.1012 Bram Moolenaar <bram@vim.org> parents: 4527 diff changeset	6185 while (sta->c != NFA_END_COMPOSING)
432a6b8c7d93 updated for version 7.3.1012 Bram Moolenaar <bram@vim.org> parents: 4527 diff changeset	6186 sta = sta->out;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6187 }
4547 fc997f05cbc7 updated for version 7.3.1021 Bram Moolenaar <bram@vim.org> parents: 4543 diff changeset	6188
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6189 // Check base character matches first, unless ignored.
4547 fc997f05cbc7 updated for version 7.3.1021 Bram Moolenaar <bram@vim.org> parents: 4543 diff changeset	6190 else if (len > 0 \|\| mc == sta->c)
fc997f05cbc7 updated for version 7.3.1021 Bram Moolenaar <bram@vim.org> parents: 4543 diff changeset	6191 {
fc997f05cbc7 updated for version 7.3.1021 Bram Moolenaar <bram@vim.org> parents: 4543 diff changeset	6192 if (len == 0)
4529 432a6b8c7d93 updated for version 7.3.1012 Bram Moolenaar <bram@vim.org> parents: 4527 diff changeset	6193 {
432a6b8c7d93 updated for version 7.3.1012 Bram Moolenaar <bram@vim.org> parents: 4527 diff changeset	6194 len += mb_char2len(mc);
432a6b8c7d93 updated for version 7.3.1012 Bram Moolenaar <bram@vim.org> parents: 4527 diff changeset	6195 sta = sta->out;
432a6b8c7d93 updated for version 7.3.1012 Bram Moolenaar <bram@vim.org> parents: 4527 diff changeset	6196 }
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6197
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6198 // 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	6199 // Get them into cchars[] first.
4549 849180347ac3 updated for version 7.3.1022 Bram Moolenaar <bram@vim.org> parents: 4547 diff changeset	6200 while (len < clen)
4547 fc997f05cbc7 updated for version 7.3.1021 Bram Moolenaar <bram@vim.org> parents: 4543 diff changeset	6201 {
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	6202 mc = mb_ptr2char(rex.input + len);
4547 fc997f05cbc7 updated for version 7.3.1021 Bram Moolenaar <bram@vim.org> parents: 4543 diff changeset	6203 cchars[ccount++] = mc;
fc997f05cbc7 updated for version 7.3.1021 Bram Moolenaar <bram@vim.org> parents: 4543 diff changeset	6204 len += mb_char2len(mc);
fc997f05cbc7 updated for version 7.3.1021 Bram Moolenaar <bram@vim.org> parents: 4543 diff changeset	6205 if (ccount == MAX_MCO)
fc997f05cbc7 updated for version 7.3.1021 Bram Moolenaar <bram@vim.org> parents: 4543 diff changeset	6206 break;
fc997f05cbc7 updated for version 7.3.1021 Bram Moolenaar <bram@vim.org> parents: 4543 diff changeset	6207 }
fc997f05cbc7 updated for version 7.3.1021 Bram Moolenaar <bram@vim.org> parents: 4543 diff changeset	6208
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6209 // 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	6210 // 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	6211 // composing chars are matched.
4547 fc997f05cbc7 updated for version 7.3.1021 Bram Moolenaar <bram@vim.org> parents: 4543 diff changeset	6212 result = OK;
fc997f05cbc7 updated for version 7.3.1021 Bram Moolenaar <bram@vim.org> parents: 4543 diff changeset	6213 while (sta->c != NFA_END_COMPOSING)
fc997f05cbc7 updated for version 7.3.1021 Bram Moolenaar <bram@vim.org> parents: 4543 diff changeset	6214 {
fc997f05cbc7 updated for version 7.3.1021 Bram Moolenaar <bram@vim.org> parents: 4543 diff changeset	6215 for (j = 0; j < ccount; ++j)
fc997f05cbc7 updated for version 7.3.1021 Bram Moolenaar <bram@vim.org> parents: 4543 diff changeset	6216 if (cchars[j] == sta->c)
fc997f05cbc7 updated for version 7.3.1021 Bram Moolenaar <bram@vim.org> parents: 4543 diff changeset	6217 break;
fc997f05cbc7 updated for version 7.3.1021 Bram Moolenaar <bram@vim.org> parents: 4543 diff changeset	6218 if (j == ccount)
fc997f05cbc7 updated for version 7.3.1021 Bram Moolenaar <bram@vim.org> parents: 4543 diff changeset	6219 {
fc997f05cbc7 updated for version 7.3.1021 Bram Moolenaar <bram@vim.org> parents: 4543 diff changeset	6220 result = FAIL;
fc997f05cbc7 updated for version 7.3.1021 Bram Moolenaar <bram@vim.org> parents: 4543 diff changeset	6221 break;
fc997f05cbc7 updated for version 7.3.1021 Bram Moolenaar <bram@vim.org> parents: 4543 diff changeset	6222 }
fc997f05cbc7 updated for version 7.3.1021 Bram Moolenaar <bram@vim.org> parents: 4543 diff changeset	6223 sta = sta->out;
fc997f05cbc7 updated for version 7.3.1021 Bram Moolenaar <bram@vim.org> parents: 4543 diff changeset	6224 }
fc997f05cbc7 updated for version 7.3.1021 Bram Moolenaar <bram@vim.org> parents: 4543 diff changeset	6225 }
fc997f05cbc7 updated for version 7.3.1021 Bram Moolenaar <bram@vim.org> parents: 4543 diff changeset	6226 else
4525 36ddcf4cecbc updated for version 7.3.1010 Bram Moolenaar <bram@vim.org> parents: 4517 diff changeset	6227 result = FAIL;
4547 fc997f05cbc7 updated for version 7.3.1021 Bram Moolenaar <bram@vim.org> parents: 4543 diff changeset	6228
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6229 end = t->state->out1; // NFA_END_COMPOSING
4783 47222d8b1e94 updated for version 7.3.1138 Bram Moolenaar <bram@vim.org> parents: 4781 diff changeset	6230 ADD_STATE_IF_MATCH(end);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6231 break;
4527 55bcaa1d2749 updated for version 7.3.1011 Bram Moolenaar <bram@vim.org> parents: 4525 diff changeset	6232 }
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6233
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6234 case NFA_NEWL:
10245 d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10170 diff changeset	6235 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	6236 && rex.lnum <= rex.reg_maxline)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6237 {
4515 90e9917d4114 updated for version 7.3.1005 Bram Moolenaar <bram@vim.org> parents: 4507 diff changeset	6238 go_to_nextline = TRUE;
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6239 // 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	6240 // at the start of the next line.
4726 3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6241 add_state = t->state->out;
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6242 add_off = -1;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6243 }
10245 d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10170 diff changeset	6244 else if (curc == '\n' && rex.reg_line_lbr)
4555 b2946c06d1b6 updated for version 7.3.1025 Bram Moolenaar <bram@vim.org> parents: 4553 diff changeset	6245 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6246 // 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	6247 add_state = t->state->out;
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6248 add_off = 1;
4555 b2946c06d1b6 updated for version 7.3.1025 Bram Moolenaar <bram@vim.org> parents: 4553 diff changeset	6249 }
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6250 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6251
4781 c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6252 case NFA_START_COLL:
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6253 case NFA_START_NEG_COLL:
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6254 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6255 // 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	6256 // 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	6257 nfa_state_T *state;
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6258 int result_if_matched;
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6259 int c1, c2;
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6260
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6261 // 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	6262 // as a separate state with an OR.
4781 c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6263 if (curc == NUL)
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6264 break;
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6265
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6266 state = t->state->out;
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6267 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	6268 for (;;)
4726 3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6269 {
4781 c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6270 if (state->c == NFA_END_COLL)
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6271 {
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6272 result = !result_if_matched;
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 (state->c == NFA_RANGE_MIN)
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6276 {
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6277 c1 = state->val;
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6278 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	6279 c2 = state->val;
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6280 #ifdef ENABLE_LOG
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6281 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	6282 curc, c1, c2);
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6283 #endif
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6284 if (curc >= c1 && curc <= c2)
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6285 {
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6286 result = result_if_matched;
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6287 break;
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6288 }
10245 d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10170 diff changeset	6289 if (rex.reg_ic)
4781 c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6290 {
20772 097f5b5c907b patch 8.2.0938: NFA regexp uses tolower ()to compare ignore-case Bram Moolenaar <Bram@vim.org> parents: 20677 diff changeset	6291 int curc_low = MB_CASEFOLD(curc);
4781 c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6292 int done = FALSE;
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6293
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6294 for ( ; c1 <= c2; ++c1)
20772 097f5b5c907b patch 8.2.0938: NFA regexp uses tolower ()to compare ignore-case Bram Moolenaar <Bram@vim.org> parents: 20677 diff changeset	6295 if (MB_CASEFOLD(c1) == curc_low)
4781 c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6296 {
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6297 result = result_if_matched;
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6298 done = TRUE;
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6299 break;
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6300 }
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6301 if (done)
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6302 break;
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6303 }
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6304 }
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6305 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	6306 : (curc == state->c
20772 097f5b5c907b patch 8.2.0938: NFA regexp uses tolower ()to compare ignore-case Bram Moolenaar <Bram@vim.org> parents: 20677 diff changeset	6307 \|\| (rex.reg_ic && MB_CASEFOLD(curc)
097f5b5c907b patch 8.2.0938: NFA regexp uses tolower ()to compare ignore-case Bram Moolenaar <Bram@vim.org> parents: 20677 diff changeset	6308 == MB_CASEFOLD(state->c))))
4781 c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6309 {
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6310 result = result_if_matched;
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6311 break;
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6312 }
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6313 state = state->out;
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6314 }
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6315 if (result)
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6316 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6317 // 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	6318 // START points to the END state
4781 c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6319 add_state = t->state->out1->out;
4726 3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6320 add_off = clen;
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6321 }
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6322 break;
4781 c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6323 }
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6324
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6325 case NFA_ANY:
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6326 // 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	6327 if (curc > 0)
4726 3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6328 {
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6329 add_state = t->state->out;
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6330 add_off = clen;
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6331 }
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6332 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6333
5901 10fc95f48546 updated for version 7.4.293 Bram Moolenaar <bram@vim.org> parents: 5895 diff changeset	6334 case NFA_ANY_COMPOSING:
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6335 // 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	6336 // nothing. Always matches.
5901 10fc95f48546 updated for version 7.4.293 Bram Moolenaar <bram@vim.org> parents: 5895 diff changeset	6337 if (enc_utf8 && utf_iscomposing(curc))
10fc95f48546 updated for version 7.4.293 Bram Moolenaar <bram@vim.org> parents: 5895 diff changeset	6338 {
10fc95f48546 updated for version 7.4.293 Bram Moolenaar <bram@vim.org> parents: 5895 diff changeset	6339 add_off = clen;
10fc95f48546 updated for version 7.4.293 Bram Moolenaar <bram@vim.org> parents: 5895 diff changeset	6340 }
10fc95f48546 updated for version 7.4.293 Bram Moolenaar <bram@vim.org> parents: 5895 diff changeset	6341 else
10fc95f48546 updated for version 7.4.293 Bram Moolenaar <bram@vim.org> parents: 5895 diff changeset	6342 {
10fc95f48546 updated for version 7.4.293 Bram Moolenaar <bram@vim.org> parents: 5895 diff changeset	6343 add_here = TRUE;
10fc95f48546 updated for version 7.4.293 Bram Moolenaar <bram@vim.org> parents: 5895 diff changeset	6344 add_off = 0;
10fc95f48546 updated for version 7.4.293 Bram Moolenaar <bram@vim.org> parents: 5895 diff changeset	6345 }
10fc95f48546 updated for version 7.4.293 Bram Moolenaar <bram@vim.org> parents: 5895 diff changeset	6346 add_state = t->state->out;
10fc95f48546 updated for version 7.4.293 Bram Moolenaar <bram@vim.org> parents: 5895 diff changeset	6347 break;
10fc95f48546 updated for version 7.4.293 Bram Moolenaar <bram@vim.org> parents: 5895 diff changeset	6348
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6349 /*
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6350 * 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	6351 */
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6352 case NFA_IDENT: // \i
4549 849180347ac3 updated for version 7.3.1022 Bram Moolenaar <bram@vim.org> parents: 4547 diff changeset	6353 result = vim_isIDc(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_SIDENT: // \I
4549 849180347ac3 updated for version 7.3.1022 Bram Moolenaar <bram@vim.org> parents: 4547 diff changeset	6358 result = !VIM_ISDIGIT(curc) && vim_isIDc(curc);
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_KWORD: // \k
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_iswordp_buf(rex.input, rex.reg_buf);
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_SKWORD: // \K
4549 849180347ac3 updated for version 7.3.1022 Bram Moolenaar <bram@vim.org> parents: 4547 diff changeset	6368 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	6369 && 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	6370 ADD_STATE_IF_MATCH(t->state);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6371 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6372
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6373 case NFA_FNAME: // \f
4549 849180347ac3 updated for version 7.3.1022 Bram Moolenaar <bram@vim.org> parents: 4547 diff changeset	6374 result = vim_isfilec(curc);
4783 47222d8b1e94 updated for version 7.3.1138 Bram Moolenaar <bram@vim.org> parents: 4781 diff changeset	6375 ADD_STATE_IF_MATCH(t->state);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6376 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6377
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6378 case NFA_SFNAME: // \F
4549 849180347ac3 updated for version 7.3.1022 Bram Moolenaar <bram@vim.org> parents: 4547 diff changeset	6379 result = !VIM_ISDIGIT(curc) && vim_isfilec(curc);
4783 47222d8b1e94 updated for version 7.3.1138 Bram Moolenaar <bram@vim.org> parents: 4781 diff changeset	6380 ADD_STATE_IF_MATCH(t->state);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6381 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6382
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6383 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	6384 result = vim_isprintc(PTR2CHAR(rex.input));
4783 47222d8b1e94 updated for version 7.3.1138 Bram Moolenaar <bram@vim.org> parents: 4781 diff changeset	6385 ADD_STATE_IF_MATCH(t->state);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6386 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6387
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6388 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	6389 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	6390 ADD_STATE_IF_MATCH(t->state);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6391 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6392
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6393 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	6394 result = VIM_ISWHITE(curc);
4783 47222d8b1e94 updated for version 7.3.1138 Bram Moolenaar <bram@vim.org> parents: 4781 diff changeset	6395 ADD_STATE_IF_MATCH(t->state);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6396 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6397
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6398 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	6399 result = curc != NUL && !VIM_ISWHITE(curc);
4783 47222d8b1e94 updated for version 7.3.1138 Bram Moolenaar <bram@vim.org> parents: 4781 diff changeset	6400 ADD_STATE_IF_MATCH(t->state);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6401 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6402
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6403 case NFA_DIGIT: // \d
4549 849180347ac3 updated for version 7.3.1022 Bram Moolenaar <bram@vim.org> parents: 4547 diff changeset	6404 result = ri_digit(curc);
4783 47222d8b1e94 updated for version 7.3.1138 Bram Moolenaar <bram@vim.org> parents: 4781 diff changeset	6405 ADD_STATE_IF_MATCH(t->state);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6406 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6407
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6408 case NFA_NDIGIT: // \D
4549 849180347ac3 updated for version 7.3.1022 Bram Moolenaar <bram@vim.org> parents: 4547 diff changeset	6409 result = curc != NUL && !ri_digit(curc);
4783 47222d8b1e94 updated for version 7.3.1138 Bram Moolenaar <bram@vim.org> parents: 4781 diff changeset	6410 ADD_STATE_IF_MATCH(t->state);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6411 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6412
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6413 case NFA_HEX: // \x
4549 849180347ac3 updated for version 7.3.1022 Bram Moolenaar <bram@vim.org> parents: 4547 diff changeset	6414 result = ri_hex(curc);
4783 47222d8b1e94 updated for version 7.3.1138 Bram Moolenaar <bram@vim.org> parents: 4781 diff changeset	6415 ADD_STATE_IF_MATCH(t->state);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6416 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6417
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6418 case NFA_NHEX: // \X
4549 849180347ac3 updated for version 7.3.1022 Bram Moolenaar <bram@vim.org> parents: 4547 diff changeset	6419 result = curc != NUL && !ri_hex(curc);
4783 47222d8b1e94 updated for version 7.3.1138 Bram Moolenaar <bram@vim.org> parents: 4781 diff changeset	6420 ADD_STATE_IF_MATCH(t->state);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6421 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6422
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6423 case NFA_OCTAL: // \o
4549 849180347ac3 updated for version 7.3.1022 Bram Moolenaar <bram@vim.org> parents: 4547 diff changeset	6424 result = ri_octal(curc);
4783 47222d8b1e94 updated for version 7.3.1138 Bram Moolenaar <bram@vim.org> parents: 4781 diff changeset	6425 ADD_STATE_IF_MATCH(t->state);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6426 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6427
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6428 case NFA_NOCTAL: // \O
4549 849180347ac3 updated for version 7.3.1022 Bram Moolenaar <bram@vim.org> parents: 4547 diff changeset	6429 result = curc != NUL && !ri_octal(curc);
4783 47222d8b1e94 updated for version 7.3.1138 Bram Moolenaar <bram@vim.org> parents: 4781 diff changeset	6430 ADD_STATE_IF_MATCH(t->state);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6431 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6432
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6433 case NFA_WORD: // \w
4549 849180347ac3 updated for version 7.3.1022 Bram Moolenaar <bram@vim.org> parents: 4547 diff changeset	6434 result = ri_word(curc);
4783 47222d8b1e94 updated for version 7.3.1138 Bram Moolenaar <bram@vim.org> parents: 4781 diff changeset	6435 ADD_STATE_IF_MATCH(t->state);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6436 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6437
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6438 case NFA_NWORD: // \W
4549 849180347ac3 updated for version 7.3.1022 Bram Moolenaar <bram@vim.org> parents: 4547 diff changeset	6439 result = curc != NUL && !ri_word(curc);
4783 47222d8b1e94 updated for version 7.3.1138 Bram Moolenaar <bram@vim.org> parents: 4781 diff changeset	6440 ADD_STATE_IF_MATCH(t->state);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6441 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6442
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6443 case NFA_HEAD: // \h
4549 849180347ac3 updated for version 7.3.1022 Bram Moolenaar <bram@vim.org> parents: 4547 diff changeset	6444 result = ri_head(curc);
4783 47222d8b1e94 updated for version 7.3.1138 Bram Moolenaar <bram@vim.org> parents: 4781 diff changeset	6445 ADD_STATE_IF_MATCH(t->state);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6446 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6447
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6448 case NFA_NHEAD: // \H
4549 849180347ac3 updated for version 7.3.1022 Bram Moolenaar <bram@vim.org> parents: 4547 diff changeset	6449 result = curc != NUL && !ri_head(curc);
4783 47222d8b1e94 updated for version 7.3.1138 Bram Moolenaar <bram@vim.org> parents: 4781 diff changeset	6450 ADD_STATE_IF_MATCH(t->state);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6451 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6452
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6453 case NFA_ALPHA: // \a
4549 849180347ac3 updated for version 7.3.1022 Bram Moolenaar <bram@vim.org> parents: 4547 diff changeset	6454 result = ri_alpha(curc);
4783 47222d8b1e94 updated for version 7.3.1138 Bram Moolenaar <bram@vim.org> parents: 4781 diff changeset	6455 ADD_STATE_IF_MATCH(t->state);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6456 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6457
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6458 case NFA_NALPHA: // \A
4549 849180347ac3 updated for version 7.3.1022 Bram Moolenaar <bram@vim.org> parents: 4547 diff changeset	6459 result = curc != NUL && !ri_alpha(curc);
4783 47222d8b1e94 updated for version 7.3.1138 Bram Moolenaar <bram@vim.org> parents: 4781 diff changeset	6460 ADD_STATE_IF_MATCH(t->state);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6461 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6462
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6463 case NFA_LOWER: // \l
4549 849180347ac3 updated for version 7.3.1022 Bram Moolenaar <bram@vim.org> parents: 4547 diff changeset	6464 result = ri_lower(curc);
4783 47222d8b1e94 updated for version 7.3.1138 Bram Moolenaar <bram@vim.org> parents: 4781 diff changeset	6465 ADD_STATE_IF_MATCH(t->state);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6466 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: 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_NLOWER: // \L
4549 849180347ac3 updated for version 7.3.1022 Bram Moolenaar <bram@vim.org> parents: 4547 diff changeset	6469 result = curc != NUL && !ri_lower(curc);
4783 47222d8b1e94 updated for version 7.3.1138 Bram Moolenaar <bram@vim.org> parents: 4781 diff changeset	6470 ADD_STATE_IF_MATCH(t->state);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6471 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: 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_UPPER: // \u
4549 849180347ac3 updated for version 7.3.1022 Bram Moolenaar <bram@vim.org> parents: 4547 diff changeset	6474 result = ri_upper(curc);
4783 47222d8b1e94 updated for version 7.3.1138 Bram Moolenaar <bram@vim.org> parents: 4781 diff changeset	6475 ADD_STATE_IF_MATCH(t->state);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6476 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6477
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6478 case NFA_NUPPER: // \U
4549 849180347ac3 updated for version 7.3.1022 Bram Moolenaar <bram@vim.org> parents: 4547 diff changeset	6479 result = curc != NUL && !ri_upper(curc);
4783 47222d8b1e94 updated for version 7.3.1138 Bram Moolenaar <bram@vim.org> parents: 4781 diff changeset	6480 ADD_STATE_IF_MATCH(t->state);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6481 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6482
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6483 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	6484 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	6485 ADD_STATE_IF_MATCH(t->state);
3e9107b86b68 updated for version 7.4.001 Bram Moolenaar <bram@vim.org> parents: 5255 diff changeset	6486 break;
3e9107b86b68 updated for version 7.4.001 Bram Moolenaar <bram@vim.org> parents: 5255 diff changeset	6487
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6488 case NFA_NLOWER_IC: // [^a-z]
5296 3e9107b86b68 updated for version 7.4.001 Bram Moolenaar <bram@vim.org> parents: 5255 diff changeset	6489 result = curc != NUL
10245 d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10170 diff changeset	6490 && !(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	6491 ADD_STATE_IF_MATCH(t->state);
3e9107b86b68 updated for version 7.4.001 Bram Moolenaar <bram@vim.org> parents: 5255 diff changeset	6492 break;
3e9107b86b68 updated for version 7.4.001 Bram Moolenaar <bram@vim.org> parents: 5255 diff changeset	6493
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6494 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	6495 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	6496 ADD_STATE_IF_MATCH(t->state);
3e9107b86b68 updated for version 7.4.001 Bram Moolenaar <bram@vim.org> parents: 5255 diff changeset	6497 break;
3e9107b86b68 updated for version 7.4.001 Bram Moolenaar <bram@vim.org> parents: 5255 diff changeset	6498
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6499 case NFA_NUPPER_IC: // ^[A-Z]
5296 3e9107b86b68 updated for version 7.4.001 Bram Moolenaar <bram@vim.org> parents: 5255 diff changeset	6500 result = curc != NUL
10245 d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10170 diff changeset	6501 && !(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	6502 ADD_STATE_IF_MATCH(t->state);
3e9107b86b68 updated for version 7.4.001 Bram Moolenaar <bram@vim.org> parents: 5255 diff changeset	6503 break;
3e9107b86b68 updated for version 7.4.001 Bram Moolenaar <bram@vim.org> parents: 5255 diff changeset	6504
4571 b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	6505 case NFA_BACKREF1:
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	6506 case NFA_BACKREF2:
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	6507 case NFA_BACKREF3:
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	6508 case NFA_BACKREF4:
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	6509 case NFA_BACKREF5:
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	6510 case NFA_BACKREF6:
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	6511 case NFA_BACKREF7:
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	6512 case NFA_BACKREF8:
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	6513 case NFA_BACKREF9:
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	6514 #ifdef FEAT_SYN_HL
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	6515 case NFA_ZREF1:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	6516 case NFA_ZREF2:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	6517 case NFA_ZREF3:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	6518 case NFA_ZREF4:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	6519 case NFA_ZREF5:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	6520 case NFA_ZREF6:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	6521 case NFA_ZREF7:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	6522 case NFA_ZREF8:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	6523 case NFA_ZREF9:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	6524 #endif
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6525 // \1 .. \9 \z1 .. \z9
4571 b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	6526 {
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	6527 int subidx;
4571 b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	6528 int bytelen;
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	6529
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	6530 if (t->state->c <= NFA_BACKREF9)
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	6531 {
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	6532 subidx = t->state->c - NFA_BACKREF1 + 1;
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	6533 result = match_backref(&t->subs.norm, subidx, &bytelen);
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	6534 }
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	6535 #ifdef FEAT_SYN_HL
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	6536 else
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	6537 {
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	6538 subidx = t->state->c - NFA_ZREF1 + 1;
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	6539 result = match_zref(subidx, &bytelen);
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	6540 }
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	6541 #endif
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	6542
4571 b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	6543 if (result)
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	6544 {
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	6545 if (bytelen == 0)
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	6546 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6547 // 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	6548 // used next
4799 e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6549 add_here = TRUE;
e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6550 add_state = t->state->out->out;
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 if (bytelen <= clen)
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 // 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	6555 // NFA_SKIP
4726 3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6556 add_state = t->state->out->out;
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6557 add_off = 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 else
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	6560 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6561 // 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	6562 // count in NFA_SKIP
4726 3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6563 add_state = t->state->out;
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6564 add_off = bytelen;
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6565 add_count = bytelen - clen;
4571 b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	6566 }
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	6567 }
4482 cd005ab15ef3 updated for version 7.3.989 Bram Moolenaar <bram@vim.org> parents: 4480 diff changeset	6568 break;
4571 b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	6569 }
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	6570 case NFA_SKIP:
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6571 // character of previous matching \1 .. \9 or \@>
4571 b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	6572 if (t->count - clen <= 0)
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	6573 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6574 // end of match, go to what follows
4726 3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6575 add_state = t->state->out;
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6576 add_off = clen;
4571 b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	6577 }
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	6578 else
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	6579 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6580 // add state again with decremented count
4726 3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6581 add_state = t->state;
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6582 add_off = 0;
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6583 add_count = t->count - clen;
4571 b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	6584 }
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	6585 break;
4482 cd005ab15ef3 updated for version 7.3.989 Bram Moolenaar <bram@vim.org> parents: 4480 diff changeset	6586
4583 321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	6587 case NFA_LNUM:
321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	6588 case NFA_LNUM_GT:
321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	6589 case NFA_LNUM_LT:
321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	6590 result = (REG_MULTI &&
321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	6591 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	6592 (long_u)(rex.lnum + rex.reg_firstlnum)));
4583 321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	6593 if (result)
4799 e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6594 {
e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6595 add_here = TRUE;
e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6596 add_state = t->state->out;
e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6597 }
4583 321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	6598 break;
321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	6599
321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	6600 case NFA_COL:
321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	6601 case NFA_COL_GT:
321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	6602 case NFA_COL_LT:
321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	6603 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	6604 (long_u)(rex.input - rex.line) + 1);
4583 321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	6605 if (result)
4799 e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6606 {
e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6607 add_here = TRUE;
e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6608 add_state = t->state->out;
e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6609 }
4583 321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	6610 break;
321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	6611
321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	6612 case NFA_VCOL:
321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	6613 case NFA_VCOL_GT:
321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	6614 case NFA_VCOL_LT:
4799 e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6615 {
6499 bcf9d3a6007f updated for version 7.4.577 Bram Moolenaar <bram@vim.org> parents: 6392 diff changeset	6616 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	6617 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	6618 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	6619
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6620 // 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	6621 // overhead of win_linetabsize() on long lines.
6653 2c7f279d419c updated for version 7.4.651 Bram Moolenaar <bram@vim.org> parents: 6594 diff changeset	6622 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	6623 * (has_mbyte ? MB_MAXBYTES : 1))
6499 bcf9d3a6007f updated for version 7.4.577 Bram Moolenaar <bram@vim.org> parents: 6392 diff changeset	6624 break;
6510 dfd593d81818 updated for version 7.4.582 Bram Moolenaar <bram@vim.org> parents: 6499 diff changeset	6625 result = FALSE;
dfd593d81818 updated for version 7.4.582 Bram Moolenaar <bram@vim.org> parents: 6499 diff changeset	6626 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	6627 {
dfd593d81818 updated for version 7.4.582 Bram Moolenaar <bram@vim.org> parents: 6499 diff changeset	6628 int ts = wp->w_buffer->b_p_ts;
dfd593d81818 updated for version 7.4.582 Bram Moolenaar <bram@vim.org> parents: 6499 diff changeset	6629
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6630 // 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	6631 // 'tabstop', with a minimum of 4.
6510 dfd593d81818 updated for version 7.4.582 Bram Moolenaar <bram@vim.org> parents: 6499 diff changeset	6632 if (ts < 4)
dfd593d81818 updated for version 7.4.582 Bram Moolenaar <bram@vim.org> parents: 6499 diff changeset	6633 ts = 4;
dfd593d81818 updated for version 7.4.582 Bram Moolenaar <bram@vim.org> parents: 6499 diff changeset	6634 result = col > t->state->val * ts;
dfd593d81818 updated for version 7.4.582 Bram Moolenaar <bram@vim.org> parents: 6499 diff changeset	6635 }
dfd593d81818 updated for version 7.4.582 Bram Moolenaar <bram@vim.org> parents: 6499 diff changeset	6636 if (!result)
dfd593d81818 updated for version 7.4.582 Bram Moolenaar <bram@vim.org> parents: 6499 diff changeset	6637 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	6638 (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	6639 if (result)
bcf9d3a6007f updated for version 7.4.577 Bram Moolenaar <bram@vim.org> parents: 6392 diff changeset	6640 {
bcf9d3a6007f updated for version 7.4.577 Bram Moolenaar <bram@vim.org> parents: 6392 diff changeset	6641 add_here = TRUE;
bcf9d3a6007f updated for version 7.4.577 Bram Moolenaar <bram@vim.org> parents: 6392 diff changeset	6642 add_state = t->state->out;
bcf9d3a6007f updated for version 7.4.577 Bram Moolenaar <bram@vim.org> parents: 6392 diff changeset	6643 }
4799 e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6644 }
4583 321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	6645 break;
321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	6646
4732 0798b096bab3 updated for version 7.3.1113 Bram Moolenaar <bram@vim.org> parents: 4730 diff changeset	6647 case NFA_MARK:
0798b096bab3 updated for version 7.3.1113 Bram Moolenaar <bram@vim.org> parents: 4730 diff changeset	6648 case NFA_MARK_GT:
0798b096bab3 updated for version 7.3.1113 Bram Moolenaar <bram@vim.org> parents: 4730 diff changeset	6649 case NFA_MARK_LT:
0798b096bab3 updated for version 7.3.1113 Bram Moolenaar <bram@vim.org> parents: 4730 diff changeset	6650 {
10245 d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10170 diff changeset	6651 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	6652
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6653 // 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	6654 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	6655 && 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	6656 && (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	6657 ? (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	6658 ? 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	6659 : (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	6660 ? t->state->c == NFA_MARK_GT
0798b096bab3 updated for version 7.3.1113 Bram Moolenaar <bram@vim.org> parents: 4730 diff changeset	6661 : 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	6662 : (pos->lnum < rex.lnum + rex.reg_firstlnum
4732 0798b096bab3 updated for version 7.3.1113 Bram Moolenaar <bram@vim.org> parents: 4730 diff changeset	6663 ? t->state->c == NFA_MARK_GT
0798b096bab3 updated for version 7.3.1113 Bram Moolenaar <bram@vim.org> parents: 4730 diff changeset	6664 : t->state->c == NFA_MARK_LT)));
0798b096bab3 updated for version 7.3.1113 Bram Moolenaar <bram@vim.org> parents: 4730 diff changeset	6665 if (result)
4799 e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6666 {
e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6667 add_here = TRUE;
e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6668 add_state = t->state->out;
e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6669 }
4732 0798b096bab3 updated for version 7.3.1113 Bram Moolenaar <bram@vim.org> parents: 4730 diff changeset	6670 break;
0798b096bab3 updated for version 7.3.1113 Bram Moolenaar <bram@vim.org> parents: 4730 diff changeset	6671 }
0798b096bab3 updated for version 7.3.1113 Bram Moolenaar <bram@vim.org> parents: 4730 diff changeset	6672
4583 321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	6673 case NFA_CURSOR:
10245 d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10170 diff changeset	6674 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	6675 && (rex.lnum + rex.reg_firstlnum
10245 d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10170 diff changeset	6676 == 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	6677 && ((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	6678 == rex.reg_win->w_cursor.col));
4583 321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	6679 if (result)
4799 e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6680 {
e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6681 add_here = TRUE;
e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6682 add_state = t->state->out;
e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6683 }
4583 321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	6684 break;
321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	6685
4756 96f3348f9f11 updated for version 7.3.1125 Bram Moolenaar <bram@vim.org> parents: 4750 diff changeset	6686 case NFA_VISUAL:
4730 749e2b2755d5 updated for version 7.3.1112 Bram Moolenaar <bram@vim.org> parents: 4728 diff changeset	6687 result = reg_match_visual();
749e2b2755d5 updated for version 7.3.1112 Bram Moolenaar <bram@vim.org> parents: 4728 diff changeset	6688 if (result)
4799 e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6689 {
e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6690 add_here = TRUE;
e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6691 add_state = t->state->out;
e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6692 }
4730 749e2b2755d5 updated for version 7.3.1112 Bram Moolenaar <bram@vim.org> parents: 4728 diff changeset	6693 break;
749e2b2755d5 updated for version 7.3.1112 Bram Moolenaar <bram@vim.org> parents: 4728 diff changeset	6694
5251 2e63b6c763f7 updated for version 7.4b.002 Bram Moolenaar <bram@vim.org> parents: 5227 diff changeset	6695 case NFA_MOPEN1:
2e63b6c763f7 updated for version 7.4b.002 Bram Moolenaar <bram@vim.org> parents: 5227 diff changeset	6696 case NFA_MOPEN2:
2e63b6c763f7 updated for version 7.4b.002 Bram Moolenaar <bram@vim.org> parents: 5227 diff changeset	6697 case NFA_MOPEN3:
2e63b6c763f7 updated for version 7.4b.002 Bram Moolenaar <bram@vim.org> parents: 5227 diff changeset	6698 case NFA_MOPEN4:
2e63b6c763f7 updated for version 7.4b.002 Bram Moolenaar <bram@vim.org> parents: 5227 diff changeset	6699 case NFA_MOPEN5:
2e63b6c763f7 updated for version 7.4b.002 Bram Moolenaar <bram@vim.org> parents: 5227 diff changeset	6700 case NFA_MOPEN6:
2e63b6c763f7 updated for version 7.4b.002 Bram Moolenaar <bram@vim.org> parents: 5227 diff changeset	6701 case NFA_MOPEN7:
2e63b6c763f7 updated for version 7.4b.002 Bram Moolenaar <bram@vim.org> parents: 5227 diff changeset	6702 case NFA_MOPEN8:
2e63b6c763f7 updated for version 7.4b.002 Bram Moolenaar <bram@vim.org> parents: 5227 diff changeset	6703 case NFA_MOPEN9:
2e63b6c763f7 updated for version 7.4b.002 Bram Moolenaar <bram@vim.org> parents: 5227 diff changeset	6704 #ifdef FEAT_SYN_HL
2e63b6c763f7 updated for version 7.4b.002 Bram Moolenaar <bram@vim.org> parents: 5227 diff changeset	6705 case NFA_ZOPEN:
2e63b6c763f7 updated for version 7.4b.002 Bram Moolenaar <bram@vim.org> parents: 5227 diff changeset	6706 case NFA_ZOPEN1:
2e63b6c763f7 updated for version 7.4b.002 Bram Moolenaar <bram@vim.org> parents: 5227 diff changeset	6707 case NFA_ZOPEN2:
2e63b6c763f7 updated for version 7.4b.002 Bram Moolenaar <bram@vim.org> parents: 5227 diff changeset	6708 case NFA_ZOPEN3:
2e63b6c763f7 updated for version 7.4b.002 Bram Moolenaar <bram@vim.org> parents: 5227 diff changeset	6709 case NFA_ZOPEN4:
2e63b6c763f7 updated for version 7.4b.002 Bram Moolenaar <bram@vim.org> parents: 5227 diff changeset	6710 case NFA_ZOPEN5:
2e63b6c763f7 updated for version 7.4b.002 Bram Moolenaar <bram@vim.org> parents: 5227 diff changeset	6711 case NFA_ZOPEN6:
2e63b6c763f7 updated for version 7.4b.002 Bram Moolenaar <bram@vim.org> parents: 5227 diff changeset	6712 case NFA_ZOPEN7:
2e63b6c763f7 updated for version 7.4b.002 Bram Moolenaar <bram@vim.org> parents: 5227 diff changeset	6713 case NFA_ZOPEN8:
2e63b6c763f7 updated for version 7.4b.002 Bram Moolenaar <bram@vim.org> parents: 5227 diff changeset	6714 case NFA_ZOPEN9:
2e63b6c763f7 updated for version 7.4b.002 Bram Moolenaar <bram@vim.org> parents: 5227 diff changeset	6715 #endif
2e63b6c763f7 updated for version 7.4b.002 Bram Moolenaar <bram@vim.org> parents: 5227 diff changeset	6716 case NFA_NOPEN:
2e63b6c763f7 updated for version 7.4b.002 Bram Moolenaar <bram@vim.org> parents: 5227 diff changeset	6717 case NFA_ZSTART:
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6718 // 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	6719 // 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	6720 break;
2e63b6c763f7 updated for version 7.4b.002 Bram Moolenaar <bram@vim.org> parents: 5227 diff changeset	6721
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6722 default: // regular character
4559 04086e297563 updated for version 7.3.1027 Bram Moolenaar <bram@vim.org> parents: 4557 diff changeset	6723 {
04086e297563 updated for version 7.3.1027 Bram Moolenaar <bram@vim.org> parents: 4557 diff changeset	6724 int c = t->state->c;
04086e297563 updated for version 7.3.1027 Bram Moolenaar <bram@vim.org> parents: 4557 diff changeset	6725
5251 2e63b6c763f7 updated for version 7.4b.002 Bram Moolenaar <bram@vim.org> parents: 5227 diff changeset	6726 #ifdef DEBUG
4785 3b5a023a4543 updated for version 7.3.1139 Bram Moolenaar <bram@vim.org> parents: 4783 diff changeset	6727 if (c < 0)
15470 55ccc2d353bd patch 8.1.0743: giving error messages is not flexible Bram Moolenaar <Bram@vim.org> parents: 15265 diff changeset	6728 siemsg("INTERNAL: Negative state char: %ld", c);
5251 2e63b6c763f7 updated for version 7.4b.002 Bram Moolenaar <bram@vim.org> parents: 5227 diff changeset	6729 #endif
4559 04086e297563 updated for version 7.3.1027 Bram Moolenaar <bram@vim.org> parents: 4557 diff changeset	6730 result = (c == curc);
04086e297563 updated for version 7.3.1027 Bram Moolenaar <bram@vim.org> parents: 4557 diff changeset	6731
10245 d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10170 diff changeset	6732 if (!result && rex.reg_ic)
20772 097f5b5c907b patch 8.2.0938: NFA regexp uses tolower ()to compare ignore-case Bram Moolenaar <Bram@vim.org> parents: 20677 diff changeset	6733 result = MB_CASEFOLD(c) == MB_CASEFOLD(curc);
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6734 // 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	6735 // 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	6736 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	6737 clen = utf_ptr2len(rex.input);
4783 47222d8b1e94 updated for version 7.3.1138 Bram Moolenaar <bram@vim.org> parents: 4781 diff changeset	6738 ADD_STATE_IF_MATCH(t->state);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6739 break;
4559 04086e297563 updated for version 7.3.1027 Bram Moolenaar <bram@vim.org> parents: 4557 diff changeset	6740 }
4726 3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6741
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6742 } // switch (t->state->c)
4726 3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6743
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6744 if (add_state != NULL)
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6745 {
4813 bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	6746 nfa_pim_T *pim;
5401 e7a2f217a385 updated for version 7.4.051 Bram Moolenaar <bram@vim.org> parents: 5372 diff changeset	6747 nfa_pim_T pim_copy;
4813 bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	6748
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	6749 if (t->pim.result == NFA_PIM_UNUSED)
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	6750 pim = NULL;
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	6751 else
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	6752 pim = &t->pim;
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	6753
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6754 // 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	6755 // 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	6756 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	6757 {
4813 bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	6758 if (pim->result == NFA_PIM_TODO)
4726 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 #ifdef ENABLE_LOG
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6761 fprintf(log_fd, "\n");
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6762 fprintf(log_fd, "==================================\n");
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6763 fprintf(log_fd, "Postponed recursive nfa_regmatch()\n");
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6764 fprintf(log_fd, "\n");
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6765 #endif
4813 bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	6766 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	6767 prog, submatch, m, &listids, &listids_len);
4813 bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	6768 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	6769 // 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	6770 // FALSE
4813 bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	6771 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	6772 \|\| pim->state->c == NFA_START_INVISIBLE_NEG_FIRST
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	6773 \|\| pim->state->c
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	6774 == NFA_START_INVISIBLE_BEFORE_NEG
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	6775 \|\| pim->state->c
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	6776 == NFA_START_INVISIBLE_BEFORE_NEG_FIRST))
4726 3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6777 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6778 // Copy submatch info from the recursive call
4813 bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	6779 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	6780 #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	6781 if (rex.nfa_has_zsubexpr)
4813 bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	6782 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	6783 #endif
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6784 }
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
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6787 {
4813 bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	6788 result = (pim->result == NFA_PIM_MATCH);
4726 3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6789 #ifdef ENABLE_LOG
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6790 fprintf(log_fd, "\n");
4813 bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	6791 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	6792 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	6793 fprintf(log_fd, "\n");
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6794 #endif
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6795 }
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6796
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6797 // 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	6798 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	6799 \|\| pim->state->c == NFA_START_INVISIBLE_NEG_FIRST
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	6800 \|\| pim->state->c
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	6801 == NFA_START_INVISIBLE_BEFORE_NEG
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	6802 \|\| pim->state->c
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	6803 == NFA_START_INVISIBLE_BEFORE_NEG_FIRST))
4726 3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6804 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6805 // Copy submatch info from the recursive call
4813 bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	6806 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	6807 #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	6808 if (rex.nfa_has_zsubexpr)
4813 bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	6809 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	6810 #endif
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6811 }
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6812 else
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6813 // 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	6814 continue;
4813 bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	6815
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6816 // 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	6817 // following states.
4813 bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	6818 pim = NULL;
4726 3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6819 }
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6820
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6821 // 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	6822 // 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	6823 // local copy to avoid that.
5401 e7a2f217a385 updated for version 7.4.051 Bram Moolenaar <bram@vim.org> parents: 5372 diff changeset	6824 if (pim == &t->pim)
e7a2f217a385 updated for version 7.4.051 Bram Moolenaar <bram@vim.org> parents: 5372 diff changeset	6825 {
e7a2f217a385 updated for version 7.4.051 Bram Moolenaar <bram@vim.org> parents: 5372 diff changeset	6826 copy_pim(&pim_copy, pim);
e7a2f217a385 updated for version 7.4.051 Bram Moolenaar <bram@vim.org> parents: 5372 diff changeset	6827 pim = &pim_copy;
e7a2f217a385 updated for version 7.4.051 Bram Moolenaar <bram@vim.org> parents: 5372 diff changeset	6828 }
e7a2f217a385 updated for version 7.4.051 Bram Moolenaar <bram@vim.org> parents: 5372 diff changeset	6829
4799 e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6830 if (add_here)
15796 481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	6831 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	6832 pim, &listidx);
4799 e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6833 else
e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6834 {
15796 481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	6835 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	6836 if (add_count > 0)
e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6837 nextlist->t[nextlist->n - 1].count = add_count;
e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6838 }
15796 481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	6839 if (r == NULL)
481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	6840 {
481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	6841 nfa_match = NFA_TOO_EXPENSIVE;
481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	6842 goto theend;
481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	6843 }
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6844 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6845
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6846 } // 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	6847
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6848 // 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	6849 // 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	6850 // 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	6851 // matters!
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6852 // 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	6853 // 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	6854 // 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	6855 // 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	6856 if (nfa_match == FALSE
4797 a30e3762957d updated for version 7.3.1145 Bram Moolenaar <bram@vim.org> parents: 4787 diff changeset	6857 && ((toplevel
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	6858 && rex.lnum == 0
4682 2f51ee8825db updated for version 7.3.1088 Bram Moolenaar <bram@vim.org> parents: 4679 diff changeset	6859 && clen != 0
10245 d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10170 diff changeset	6860 && (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	6861 \|\| (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	6862 \|\| (nfa_endp != NULL
4682 2f51ee8825db updated for version 7.3.1088 Bram Moolenaar <bram@vim.org> parents: 4679 diff changeset	6863 && (REG_MULTI
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	6864 ? (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	6865 \|\| (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	6866 && (int)(rex.input - rex.line)
4694 efc4fb311d5d updated for version 7.3.1094 Bram Moolenaar <bram@vim.org> parents: 4692 diff changeset	6867 < 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	6868 : rex.input < nfa_endp->se_u.ptr))))
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6869 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6870 #ifdef ENABLE_LOG
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6871 fprintf(log_fd, "(---) STARTSTATE\n");
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6872 #endif
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6873 // 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	6874 // the first MOPEN.
4797 a30e3762957d updated for version 7.3.1145 Bram Moolenaar <bram@vim.org> parents: 4787 diff changeset	6875 if (toplevel)
a30e3762957d updated for version 7.3.1145 Bram Moolenaar <bram@vim.org> parents: 4787 diff changeset	6876 {
4801 3cd3cc1e9119 updated for version 7.3.1147 Bram Moolenaar <bram@vim.org> parents: 4799 diff changeset	6877 int add = TRUE;
3cd3cc1e9119 updated for version 7.3.1147 Bram Moolenaar <bram@vim.org> parents: 4799 diff changeset	6878 int c;
3cd3cc1e9119 updated for version 7.3.1147 Bram Moolenaar <bram@vim.org> parents: 4799 diff changeset	6879
3cd3cc1e9119 updated for version 7.3.1147 Bram Moolenaar <bram@vim.org> parents: 4799 diff changeset	6880 if (prog->regstart != NUL && clen != 0)
3cd3cc1e9119 updated for version 7.3.1147 Bram Moolenaar <bram@vim.org> parents: 4799 diff changeset	6881 {
3cd3cc1e9119 updated for version 7.3.1147 Bram Moolenaar <bram@vim.org> parents: 4799 diff changeset	6882 if (nextlist->n == 0)
3cd3cc1e9119 updated for version 7.3.1147 Bram Moolenaar <bram@vim.org> parents: 4799 diff changeset	6883 {
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	6884 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	6885
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6886 // 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	6887 // character that must appear at the start.
4801 3cd3cc1e9119 updated for version 7.3.1147 Bram Moolenaar <bram@vim.org> parents: 4799 diff changeset	6888 if (skip_to_start(prog->regstart, &col) == FAIL)
3cd3cc1e9119 updated for version 7.3.1147 Bram Moolenaar <bram@vim.org> parents: 4799 diff changeset	6889 break;
3cd3cc1e9119 updated for version 7.3.1147 Bram Moolenaar <bram@vim.org> parents: 4799 diff changeset	6890 #ifdef ENABLE_LOG
3cd3cc1e9119 updated for version 7.3.1147 Bram Moolenaar <bram@vim.org> parents: 4799 diff changeset	6891 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	6892 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	6893 #endif
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	6894 rex.input = rex.line + col - clen;
4801 3cd3cc1e9119 updated for version 7.3.1147 Bram Moolenaar <bram@vim.org> parents: 4799 diff changeset	6895 }
3cd3cc1e9119 updated for version 7.3.1147 Bram Moolenaar <bram@vim.org> parents: 4799 diff changeset	6896 else
3cd3cc1e9119 updated for version 7.3.1147 Bram Moolenaar <bram@vim.org> parents: 4799 diff changeset	6897 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6898 // 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	6899 // 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	6900 c = PTR2CHAR(rex.input + clen);
10245 d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10170 diff changeset	6901 if (c != prog->regstart && (!rex.reg_ic
20772 097f5b5c907b patch 8.2.0938: NFA regexp uses tolower ()to compare ignore-case Bram Moolenaar <Bram@vim.org> parents: 20677 diff changeset	6902 \|\| MB_CASEFOLD(c) != MB_CASEFOLD(prog->regstart)))
4801 3cd3cc1e9119 updated for version 7.3.1147 Bram Moolenaar <bram@vim.org> parents: 4799 diff changeset	6903 {
3cd3cc1e9119 updated for version 7.3.1147 Bram Moolenaar <bram@vim.org> parents: 4799 diff changeset	6904 #ifdef ENABLE_LOG
3cd3cc1e9119 updated for version 7.3.1147 Bram Moolenaar <bram@vim.org> parents: 4799 diff changeset	6905 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	6906 #endif
3cd3cc1e9119 updated for version 7.3.1147 Bram Moolenaar <bram@vim.org> parents: 4799 diff changeset	6907 add = FALSE;
3cd3cc1e9119 updated for version 7.3.1147 Bram Moolenaar <bram@vim.org> parents: 4799 diff changeset	6908 }
3cd3cc1e9119 updated for version 7.3.1147 Bram Moolenaar <bram@vim.org> parents: 4799 diff changeset	6909 }
3cd3cc1e9119 updated for version 7.3.1147 Bram Moolenaar <bram@vim.org> parents: 4799 diff changeset	6910 }
3cd3cc1e9119 updated for version 7.3.1147 Bram Moolenaar <bram@vim.org> parents: 4799 diff changeset	6911
3cd3cc1e9119 updated for version 7.3.1147 Bram Moolenaar <bram@vim.org> parents: 4799 diff changeset	6912 if (add)
3cd3cc1e9119 updated for version 7.3.1147 Bram Moolenaar <bram@vim.org> parents: 4799 diff changeset	6913 {
3cd3cc1e9119 updated for version 7.3.1147 Bram Moolenaar <bram@vim.org> parents: 4799 diff changeset	6914 if (REG_MULTI)
6547 436d6c9e57f2 updated for version 7.4.600 Bram Moolenaar <bram@vim.org> parents: 6545 diff changeset	6915 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	6916 (colnr_T)(rex.input - rex.line) + clen;
4801 3cd3cc1e9119 updated for version 7.3.1147 Bram Moolenaar <bram@vim.org> parents: 4799 diff changeset	6917 else
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	6918 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	6919 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	6920 {
481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	6921 nfa_match = NFA_TOO_EXPENSIVE;
481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	6922 goto theend;
481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	6923 }
4801 3cd3cc1e9119 updated for version 7.3.1147 Bram Moolenaar <bram@vim.org> parents: 4799 diff changeset	6924 }
4797 a30e3762957d updated for version 7.3.1145 Bram Moolenaar <bram@vim.org> parents: 4787 diff changeset	6925 }
a30e3762957d updated for version 7.3.1145 Bram Moolenaar <bram@vim.org> parents: 4787 diff changeset	6926 else
15796 481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	6927 {
481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	6928 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	6929 {
481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	6930 nfa_match = NFA_TOO_EXPENSIVE;
481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	6931 goto theend;
481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	6932 }
481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	6933 }
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6934 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6935
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6936 #ifdef ENABLE_LOG
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6937 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	6938 {
849180347ac3 updated for version 7.3.1022 Bram Moolenaar <bram@vim.org> parents: 4547 diff changeset	6939 int i;
849180347ac3 updated for version 7.3.1022 Bram Moolenaar <bram@vim.org> parents: 4547 diff changeset	6940
849180347ac3 updated for version 7.3.1022 Bram Moolenaar <bram@vim.org> parents: 4547 diff changeset	6941 for (i = 0; i < thislist->n; i++)
849180347ac3 updated for version 7.3.1022 Bram Moolenaar <bram@vim.org> parents: 4547 diff changeset	6942 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	6943 }
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6944 fprintf(log_fd, "\n");
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6945 #endif
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 nextchar:
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6948 // 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	6949 // finish.
4549 849180347ac3 updated for version 7.3.1022 Bram Moolenaar <bram@vim.org> parents: 4547 diff changeset	6950 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	6951 rex.input += clen;
4694 efc4fb311d5d updated for version 7.3.1094 Bram Moolenaar <bram@vim.org> parents: 4692 diff changeset	6952 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	6953 && 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	6954 reg_nextline();
90e9917d4114 updated for version 7.3.1005 Bram Moolenaar <bram@vim.org> parents: 4507 diff changeset	6955 else
90e9917d4114 updated for version 7.3.1005 Bram Moolenaar <bram@vim.org> parents: 4507 diff changeset	6956 break;
6499 bcf9d3a6007f updated for version 7.4.577 Bram Moolenaar <bram@vim.org> parents: 6392 diff changeset	6957
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6958 // Allow interrupting with CTRL-C.
6573 ffba266e064d updated for version 7.4.613 Bram Moolenaar <bram@vim.org> parents: 6547 diff changeset	6959 line_breakcheck();
6499 bcf9d3a6007f updated for version 7.4.577 Bram Moolenaar <bram@vim.org> parents: 6392 diff changeset	6960 if (got_int)
bcf9d3a6007f updated for version 7.4.577 Bram Moolenaar <bram@vim.org> parents: 6392 diff changeset	6961 break;
6573 ffba266e064d updated for version 7.4.613 Bram Moolenaar <bram@vim.org> parents: 6547 diff changeset	6962 #ifdef FEAT_RELTIME
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6963 // 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	6964 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	6965 {
ffba266e064d updated for version 7.4.613 Bram Moolenaar <bram@vim.org> parents: 6547 diff changeset	6966 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	6967 if (nfa_did_time_out())
6573 ffba266e064d updated for version 7.4.613 Bram Moolenaar <bram@vim.org> parents: 6547 diff changeset	6968 break;
ffba266e064d updated for version 7.4.613 Bram Moolenaar <bram@vim.org> parents: 6547 diff changeset	6969 }
ffba266e064d updated for version 7.4.613 Bram Moolenaar <bram@vim.org> parents: 6547 diff changeset	6970 #endif
4515 90e9917d4114 updated for version 7.3.1005 Bram Moolenaar <bram@vim.org> parents: 4507 diff changeset	6971 }
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6972
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6973 #ifdef ENABLE_LOG
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6974 if (log_fd != stderr)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6975 fclose(log_fd);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6976 log_fd = NULL;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6977 #endif
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6978
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6979 theend:
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	6980 // Free memory
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6981 vim_free(list[0].t);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6982 vim_free(list[1].t);
4561 4d81fdda8f35 updated for version 7.3.1028 Bram Moolenaar <bram@vim.org> parents: 4559 diff changeset	6983 vim_free(listids);
4783 47222d8b1e94 updated for version 7.3.1138 Bram Moolenaar <bram@vim.org> parents: 4781 diff changeset	6984 #undef ADD_STATE_IF_MATCH
4460 fe8a0a6a1c2a updated for version 7.3.978 Bram Moolenaar <bram@vim.org> parents: 4458 diff changeset	6985 #ifdef NFA_REGEXP_DEBUG_LOG
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6986 fclose(debug);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6987 #endif
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6988
4561 4d81fdda8f35 updated for version 7.3.1028 Bram Moolenaar <bram@vim.org> parents: 4559 diff changeset	6989 return nfa_match;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6990 }
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 /*
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	6993 * 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	6994 * 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	6995 */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6996 static long
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	6997 nfa_regtry(
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	6998 nfa_regprog_T *prog,
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	6999 colnr_T col,
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	7000 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	7001 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	7002 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7003 int i;
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	7004 regsubs_T subs, m;
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	7005 nfa_state_T *start = prog->start;
6328 adfbffe1e642 updated for version 7.4.497 Bram Moolenaar <bram@vim.org> parents: 6280 diff changeset	7006 int result;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7007 #ifdef ENABLE_LOG
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7008 FILE *f;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7009 #endif
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7010
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	7011 rex.input = rex.line + col;
6573 ffba266e064d updated for version 7.4.613 Bram Moolenaar <bram@vim.org> parents: 6547 diff changeset	7012 #ifdef FEAT_RELTIME
ffba266e064d updated for version 7.4.613 Bram Moolenaar <bram@vim.org> parents: 6547 diff changeset	7013 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	7014 nfa_timed_out = timed_out;
6573 ffba266e064d updated for version 7.4.613 Bram Moolenaar <bram@vim.org> parents: 6547 diff changeset	7015 nfa_time_count = 0;
ffba266e064d updated for version 7.4.613 Bram Moolenaar <bram@vim.org> parents: 6547 diff changeset	7016 #endif
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7017
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7018 #ifdef ENABLE_LOG
4531 1be43c095aff updated for version 7.3.1013 Bram Moolenaar <bram@vim.org> parents: 4529 diff changeset	7019 f = fopen(NFA_REGEXP_RUN_LOG, "a");
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7020 if (f != NULL)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7021 {
4750 7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	7022 fprintf(f, "\n\n\t=======================================================\n");
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7023 #ifdef DEBUG
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7024 fprintf(f, "\tRegexp is \"%s\"\n", nfa_regengine.expr);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7025 #endif
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	7026 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	7027 fprintf(f, "\t=======================================================\n\n");
4533 6a2005efa02b updated for version 7.3.1014 Bram Moolenaar <bram@vim.org> parents: 4531 diff changeset	7028 nfa_print_state(f, start);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7029 fprintf(f, "\n\n");
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7030 fclose(f);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7031 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7032 else
15470 55ccc2d353bd patch 8.1.0743: giving error messages is not flexible Bram Moolenaar <Bram@vim.org> parents: 15265 diff changeset	7033 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	7034 #endif
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7035
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	7036 clear_sub(&subs.norm);
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	7037 clear_sub(&m.norm);
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	7038 #ifdef FEAT_SYN_HL
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	7039 clear_sub(&subs.synt);
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	7040 clear_sub(&m.synt);
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	7041 #endif
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	7042
6328 adfbffe1e642 updated for version 7.4.497 Bram Moolenaar <bram@vim.org> parents: 6280 diff changeset	7043 result = nfa_regmatch(prog, start, &subs, &m);
adfbffe1e642 updated for version 7.4.497 Bram Moolenaar <bram@vim.org> parents: 6280 diff changeset	7044 if (result == FALSE)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7045 return 0;
6328 adfbffe1e642 updated for version 7.4.497 Bram Moolenaar <bram@vim.org> parents: 6280 diff changeset	7046 else if (result == NFA_TOO_EXPENSIVE)
adfbffe1e642 updated for version 7.4.497 Bram Moolenaar <bram@vim.org> parents: 6280 diff changeset	7047 return result;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7048
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7049 cleanup_subexpr();
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7050 if (REG_MULTI)
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_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	7055 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	7056
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10170 diff changeset	7057 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	7058 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	7059 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7060
10245 d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10170 diff changeset	7061 if (rex.reg_startpos[0].lnum < 0)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7062 {
10245 d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10170 diff changeset	7063 rex.reg_startpos[0].lnum = 0;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10170 diff changeset	7064 rex.reg_startpos[0].col = col;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7065 }
10245 d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10170 diff changeset	7066 if (rex.reg_endpos[0].lnum < 0)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7067 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	7068 // 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	7069 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	7070 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	7071 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7072 else
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	7073 // 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	7074 rex.lnum = rex.reg_endpos[0].lnum;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7075 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7076 else
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7077 {
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	7078 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	7079 {
10245 d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10170 diff changeset	7080 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	7081 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	7082 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7083
10245 d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10170 diff changeset	7084 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	7085 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	7086 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	7087 rex.reg_endp[0] = rex.input;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7088 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7089
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	7090 #ifdef FEAT_SYN_HL
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	7091 // 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	7092 unref_extmatch(re_extmatch_out);
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	7093 re_extmatch_out = NULL;
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 (prog->reghasz == REX_SET)
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	7096 {
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	7097 cleanup_zsubexpr();
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	7098 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	7099 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	7100 return 0;
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	7101 // 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	7102 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	7103 {
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	7104 if (REG_MULTI)
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	7105 {
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	7106 struct multipos *mpos = &subs.synt.list.multi[i];
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	7107
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	7108 // 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	7109 if (mpos->start_lnum >= 0
436d6c9e57f2 updated for version 7.4.600 Bram Moolenaar <bram@vim.org> parents: 6545 diff changeset	7110 && mpos->start_lnum == mpos->end_lnum
436d6c9e57f2 updated for version 7.4.600 Bram Moolenaar <bram@vim.org> parents: 6545 diff changeset	7111 && mpos->end_col >= mpos->start_col)
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	7112 re_extmatch_out->matches[i] =
6547 436d6c9e57f2 updated for version 7.4.600 Bram Moolenaar <bram@vim.org> parents: 6545 diff changeset	7113 vim_strnsave(reg_getline(mpos->start_lnum)
436d6c9e57f2 updated for version 7.4.600 Bram Moolenaar <bram@vim.org> parents: 6545 diff changeset	7114 + mpos->start_col,
436d6c9e57f2 updated for version 7.4.600 Bram Moolenaar <bram@vim.org> parents: 6545 diff changeset	7115 mpos->end_col - mpos->start_col);
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	7116 }
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	7117 else
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	7118 {
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	7119 struct linepos *lpos = &subs.synt.list.line[i];
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	7120
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	7121 if (lpos->start != NULL && lpos->end != NULL)
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	7122 re_extmatch_out->matches[i] =
20830 9064044fd4f6 patch 8.2.0967: unnecessary type casts for vim_strnsave() Bram Moolenaar <Bram@vim.org> parents: 20772 diff changeset	7123 vim_strnsave(lpos->start, lpos->end - lpos->start);
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	7124 }
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	7125 }
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	7126 }
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	7127 #endif
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	7128
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	7129 return 1 + rex.lnum;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7130 }
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 /*
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7133 * 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	7134 * lines ("line" is NULL, use reg_getline()).
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7135 *
6392 2bb019eb60ca updated for version 7.4.527 Bram Moolenaar <bram@vim.org> parents: 6328 diff changeset	7136 * 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	7137 */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7138 static long
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	7139 nfa_regexec_both(
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	7140 char_u *line,
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	7141 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	7142 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	7143 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	7144 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7145 nfa_regprog_T *prog;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7146 long retval = 0L;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7147 int i;
4772 03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	7148 colnr_T col = startcol;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7149
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7150 if (REG_MULTI)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7151 {
10245 d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10170 diff changeset	7152 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	7153 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	7154 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	7155 rex.reg_endpos = rex.reg_mmatch->endpos;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7156 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7157 else
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7158 {
10245 d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10170 diff changeset	7159 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	7160 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	7161 rex.reg_endp = rex.reg_match->endp;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7162 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7163
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	7164 // Be paranoid...
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7165 if (prog == NULL \|\| line == NULL)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7166 {
22167 740b16b3c80b patch 8.2.1633: some error messages are internal but do not use iemsg() Bram Moolenaar <Bram@vim.org> parents: 20830 diff changeset	7167 iemsg(_(e_null));
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7168 goto theend;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7169 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7170
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	7171 // 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	7172 if (prog->regflags & RF_ICASE)
10245 d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10170 diff changeset	7173 rex.reg_ic = TRUE;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7174 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	7175 rex.reg_ic = FALSE;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7176
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	7177 // 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	7178 if (prog->regflags & RF_ICOMBINE)
10245 d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10170 diff changeset	7179 rex.reg_icombine = TRUE;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7180
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	7181 rex.line = line;
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	7182 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	7183
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	7184 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	7185 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	7186 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	7187 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	7188 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	7189 #ifdef DEBUG
4690 9d97a0c045ef updated for version 7.3.1092 Bram Moolenaar <bram@vim.org> parents: 4688 diff changeset	7190 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	7191 #endif
4553 7b835b2969af updated for version 7.3.1024 Bram Moolenaar <bram@vim.org> parents: 4551 diff changeset	7192
4772 03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	7193 if (prog->reganch && col > 0)
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	7194 return 0L;
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	7195
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	7196 rex.need_clear_subexpr = TRUE;
4805 66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	7197 #ifdef FEAT_SYN_HL
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	7198 // Clear the external match subpointers if necessary.
4805 66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	7199 if (prog->reghasz == REX_SET)
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	7200 {
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	7201 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	7202 rex.need_clear_zsubexpr = TRUE;
4805 66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	7203 }
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	7204 else
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	7205 {
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	7206 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	7207 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	7208 }
4805 66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	7209 #endif
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	7210
4772 03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	7211 if (prog->regstart != NUL)
4805 66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	7212 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	7213 // 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	7214 // 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	7215 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	7216 return 0L;
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	7217
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	7218 // 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	7219 // 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	7220 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	7221 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	7222 }
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	7223
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	7224 // 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	7225 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	7226 goto theend;
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	7227
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	7228 // 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	7229 // 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	7230 nstate = 0;
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	7231 for (i = 0; i < prog->nstate; ++i)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7232 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7233 prog->state[i].id = i;
4718 ec72bb4a0fc2 updated for version 7.3.1106 Bram Moolenaar <bram@vim.org> parents: 4716 diff changeset	7234 prog->state[i].lastlist[0] = 0;
ec72bb4a0fc2 updated for version 7.3.1106 Bram Moolenaar <bram@vim.org> parents: 4716 diff changeset	7235 prog->state[i].lastlist[1] = 0;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7236 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7237
11521 578df034735d patch 8.0.0643: when a pattern search is slow Vim becomes unusable Christian Brabandt <cb@256bit.org> parents: 11480 diff changeset	7238 retval = nfa_regtry(prog, col, tm, timed_out);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7239
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	7240 #ifdef DEBUG
4690 9d97a0c045ef updated for version 7.3.1092 Bram Moolenaar <bram@vim.org> parents: 4688 diff changeset	7241 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	7242 #endif
4690 9d97a0c045ef updated for version 7.3.1092 Bram Moolenaar <bram@vim.org> parents: 4688 diff changeset	7243
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7244 theend:
23270 22d0c25869d8 patch 8.2.2181: valgrind warnings for using uninitialized value Bram Moolenaar <Bram@vim.org> parents: 23262 diff changeset	7245 if (retval > 0)
23150 90b16a0022e5 patch 8.2.2121: internal error when using ze before zs in a pattern Bram Moolenaar <Bram@vim.org> parents: 22167 diff changeset	7246 {
23270 22d0c25869d8 patch 8.2.2181: valgrind warnings for using uninitialized value Bram Moolenaar <Bram@vim.org> parents: 23262 diff changeset	7247 // Make sure the end is never before the start. Can happen when \zs and
22d0c25869d8 patch 8.2.2181: valgrind warnings for using uninitialized value Bram Moolenaar <Bram@vim.org> parents: 23262 diff changeset	7248 // \ze are used.
22d0c25869d8 patch 8.2.2181: valgrind warnings for using uninitialized value Bram Moolenaar <Bram@vim.org> parents: 23262 diff changeset	7249 if (REG_MULTI)
22d0c25869d8 patch 8.2.2181: valgrind warnings for using uninitialized value Bram Moolenaar <Bram@vim.org> parents: 23262 diff changeset	7250 {
22d0c25869d8 patch 8.2.2181: valgrind warnings for using uninitialized value Bram Moolenaar <Bram@vim.org> parents: 23262 diff changeset	7251 lpos_T *start = &rex.reg_mmatch->startpos[0];
22d0c25869d8 patch 8.2.2181: valgrind warnings for using uninitialized value Bram Moolenaar <Bram@vim.org> parents: 23262 diff changeset	7252 lpos_T *end = &rex.reg_mmatch->endpos[0];
22d0c25869d8 patch 8.2.2181: valgrind warnings for using uninitialized value Bram Moolenaar <Bram@vim.org> parents: 23262 diff changeset	7253
22d0c25869d8 patch 8.2.2181: valgrind warnings for using uninitialized value Bram Moolenaar <Bram@vim.org> parents: 23262 diff changeset	7254 if (end->lnum < start->lnum
23150 90b16a0022e5 patch 8.2.2121: internal error when using ze before zs in a pattern Bram Moolenaar <Bram@vim.org> parents: 22167 diff changeset	7255 \|\| (end->lnum == start->lnum && end->col < start->col))
23270 22d0c25869d8 patch 8.2.2181: valgrind warnings for using uninitialized value Bram Moolenaar <Bram@vim.org> parents: 23262 diff changeset	7256 rex.reg_mmatch->endpos[0] = rex.reg_mmatch->startpos[0];
22d0c25869d8 patch 8.2.2181: valgrind warnings for using uninitialized value Bram Moolenaar <Bram@vim.org> parents: 23262 diff changeset	7257 }
22d0c25869d8 patch 8.2.2181: valgrind warnings for using uninitialized value Bram Moolenaar <Bram@vim.org> parents: 23262 diff changeset	7258 else
22d0c25869d8 patch 8.2.2181: valgrind warnings for using uninitialized value Bram Moolenaar <Bram@vim.org> parents: 23262 diff changeset	7259 {
22d0c25869d8 patch 8.2.2181: valgrind warnings for using uninitialized value Bram Moolenaar <Bram@vim.org> parents: 23262 diff changeset	7260 if (rex.reg_match->endp[0] < rex.reg_match->startp[0])
22d0c25869d8 patch 8.2.2181: valgrind warnings for using uninitialized value Bram Moolenaar <Bram@vim.org> parents: 23262 diff changeset	7261 rex.reg_match->endp[0] = rex.reg_match->startp[0];
22d0c25869d8 patch 8.2.2181: valgrind warnings for using uninitialized value Bram Moolenaar <Bram@vim.org> parents: 23262 diff changeset	7262 }
23150 90b16a0022e5 patch 8.2.2121: internal error when using ze before zs in a pattern Bram Moolenaar <Bram@vim.org> parents: 22167 diff changeset	7263 }
90b16a0022e5 patch 8.2.2121: internal error when using ze before zs in a pattern Bram Moolenaar <Bram@vim.org> parents: 22167 diff changeset	7264
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7265 return retval;
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 /*
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7269 * 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	7270 * 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	7271 */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7272 static regprog_T *
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	7273 nfa_regcomp(char_u *expr, int re_flags)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7274 {
4541 80170d61a85c updated for version 7.3.1018 Bram Moolenaar <bram@vim.org> parents: 4539 diff changeset	7275 nfa_regprog_T *prog = NULL;
4458 21e13403140a updated for version 7.3.977 Bram Moolenaar <bram@vim.org> parents: 4456 diff changeset	7276 size_t prog_size;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7277 int *postfix;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7278
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7279 if (expr == NULL)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7280 return NULL;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7281
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	7282 #ifdef DEBUG
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7283 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	7284 #endif
6533 bdc8e71633e4 updated for version 7.4.593 Bram Moolenaar <bram@vim.org> parents: 6510 diff changeset	7285 nfa_re_flags = re_flags;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7286
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7287 init_class_tab();
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7288
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7289 if (nfa_regcomp_start(expr, re_flags) == FAIL)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7290 return NULL;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7291
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	7292 // 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	7293 // (and count its size).
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7294 postfix = re2post();
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7295 if (postfix == NULL)
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	7296 goto fail; // Cascaded (syntax?) error
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7297
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7298 /*
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7299 * 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	7300 * 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	7301 * 2. second to emit code
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7302 */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7303 #ifdef ENABLE_LOG
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7304 {
4531 1be43c095aff updated for version 7.3.1013 Bram Moolenaar <bram@vim.org> parents: 4529 diff changeset	7305 FILE *f = fopen(NFA_REGEXP_RUN_LOG, "a");
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7306
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7307 if (f != NULL)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7308 {
14145 1cf832945469 patch 8.1.0090: "..." used inconsistently in a message Christian Brabandt <cb@256bit.org> parents: 14121 diff changeset	7309 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	7310 fclose(f);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7311 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7312 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7313 #endif
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7314
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7315 /*
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7316 * PASS 1
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7317 * 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	7318 */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7319 post2nfa(postfix, post_ptr, TRUE);
4541 80170d61a85c updated for version 7.3.1018 Bram Moolenaar <bram@vim.org> parents: 4539 diff changeset	7320
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	7321 // 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	7322 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	7323 prog = alloc(prog_size);
4541 80170d61a85c updated for version 7.3.1018 Bram Moolenaar <bram@vim.org> parents: 4539 diff changeset	7324 if (prog == NULL)
80170d61a85c updated for version 7.3.1018 Bram Moolenaar <bram@vim.org> parents: 4539 diff changeset	7325 goto fail;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7326 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	7327 prog->re_in_use = FALSE;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7328
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7329 /*
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7330 * PASS 2
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7331 * Build the NFA
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7332 */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7333 prog->start = post2nfa(postfix, post_ptr, FALSE);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7334 if (prog->start == NULL)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7335 goto fail;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7336
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7337 prog->regflags = regflags;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7338 prog->engine = &nfa_regengine;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7339 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	7340 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	7341 prog->has_backref = rex.nfa_has_backref;
4561 4d81fdda8f35 updated for version 7.3.1028 Bram Moolenaar <bram@vim.org> parents: 4559 diff changeset	7342 prog->nsubexp = regnpar;
4772 03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	7343
4845 a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	7344 nfa_postprocess(prog);
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	7345
4772 03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	7346 prog->reganch = nfa_get_reganch(prog->start, 0);
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	7347 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	7348 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	7349
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7350 #ifdef ENABLE_LOG
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7351 nfa_postfix_dump(expr, OK);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7352 nfa_dump(prog);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7353 #endif
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	7354 #ifdef FEAT_SYN_HL
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	7355 // 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	7356 prog->reghasz = re_has_z;
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	7357 #endif
4805 66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	7358 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	7359 #ifdef DEBUG
4690 9d97a0c045ef updated for version 7.3.1092 Bram Moolenaar <bram@vim.org> parents: 4688 diff changeset	7360 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	7361 #endif
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7362
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7363 out:
13244 ac42c4b11dbc patch 8.0.1496: clearing a pointer takes two lines Christian Brabandt <cb@256bit.org> parents: 13208 diff changeset	7364 VIM_CLEAR(post_start);
ac42c4b11dbc patch 8.0.1496: clearing a pointer takes two lines Christian Brabandt <cb@256bit.org> parents: 13208 diff changeset	7365 post_ptr = post_end = NULL;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7366 state_ptr = NULL;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7367 return (regprog_T *)prog;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7368
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7369 fail:
13244 ac42c4b11dbc patch 8.0.1496: clearing a pointer takes two lines Christian Brabandt <cb@256bit.org> parents: 13208 diff changeset	7370 VIM_CLEAR(prog);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7371 #ifdef ENABLE_LOG
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7372 nfa_postfix_dump(expr, FAIL);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7373 #endif
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	7374 #ifdef DEBUG
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7375 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	7376 #endif
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7377 goto out;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7378 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7379
4805 66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	7380 /*
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	7381 * 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	7382 */
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	7383 static void
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	7384 nfa_regfree(regprog_T *prog)
4805 66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	7385 {
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	7386 if (prog != NULL)
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	7387 {
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	7388 vim_free(((nfa_regprog_T *)prog)->match_text);
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	7389 vim_free(((nfa_regprog_T *)prog)->pattern);
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	7390 vim_free(prog);
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	7391 }
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	7392 }
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7393
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 * Match a regexp against a string.
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7396 * "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	7397 * Uses curbuf for line count and 'iskeyword'.
5838 0ea551fa607d updated for version 7.4.262 Bram Moolenaar <bram@vim.org> parents: 5820 diff changeset	7398 * 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	7399 *
6392 2bb019eb60ca updated for version 7.4.527 Bram Moolenaar <bram@vim.org> parents: 6328 diff changeset	7400 * 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	7401 */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7402 static int
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	7403 nfa_regexec_nl(
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	7404 regmatch_T *rmp,
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	7405 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	7406 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	7407 int line_lbr)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7408 {
10245 d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10170 diff changeset	7409 rex.reg_match = rmp;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10170 diff changeset	7410 rex.reg_mmatch = NULL;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10170 diff changeset	7411 rex.reg_maxline = 0;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10170 diff changeset	7412 rex.reg_line_lbr = line_lbr;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10170 diff changeset	7413 rex.reg_buf = curbuf;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10170 diff changeset	7414 rex.reg_win = NULL;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10170 diff changeset	7415 rex.reg_ic = rmp->rm_ic;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10170 diff changeset	7416 rex.reg_icombine = FALSE;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10170 diff changeset	7417 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	7418 return nfa_regexec_both(line, col, NULL, NULL);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7419 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7420
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7421
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7422 /*
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7423 * Match a regexp against multiple lines.
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7424 * "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	7425 * Uses curbuf for line count and 'iskeyword'.
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7426 *
6392 2bb019eb60ca updated for version 7.4.527 Bram Moolenaar <bram@vim.org> parents: 6328 diff changeset	7427 * 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	7428 * match otherwise.
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7429 *
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7430 * 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	7431 *
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7432 * ! 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	7433 * 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	7434 *
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7435 * +-------------------------+
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7436 * \|a \|
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7437 * \|b \|
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7438 * \|c \|
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7439 * \| \|
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7440 * +-------------------------+
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7441 *
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7442 * then nfa_regexec_multi() returns 3. while the original
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7443 * 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	7444 *
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7445 * FIXME if this behavior is not compatible.
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7446 */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7447 static long
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	7448 nfa_regexec_multi(
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	7449 regmmatch_T *rmp,
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18498 diff changeset	7450 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	7451 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	7452 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	7453 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	7454 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	7455 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	7456 {
19405 08f4dc2ba716 patch 8.2.0260: several lines of code are duplicated Bram Moolenaar <Bram@vim.org> parents: 18945 diff changeset	7457 init_regexec_multi(rmp, win, buf, lnum);
11521 578df034735d patch 8.0.0643: when a pattern search is slow Vim becomes unusable Christian Brabandt <cb@256bit.org> parents: 11480 diff changeset	7458 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	7459 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7460
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7461 #ifdef DEBUG
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7462 # undef ENABLE_LOG
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7463 #endif

Mercurial > vim

annotate src/regexp_nfa.c @ 23471:a7cdfc8e4b6e v8.2.2278