vim: src/regexp_nfa.c annotate

annotate src/regexp_nfa.c @ 15802:f043c8931585 v8.1.0908

patch 8.1.0908: can't handle large value for %{nr}v in regexp commit https://github.com/vim/vim/commit/9403a2168db82b7de80f792984084bb3f00e2263 Author: Bram Moolenaar <Bram@vim.org> Date: Wed Feb 13 18:35:06 2019 +0100 patch 8.1.0908: can't handle large value for %{nr}v in regexp Problem: Can't handle large value for %{nr}v in regexp. (Kuang-che Wu) Solution: Give an error if the value is too large. (closes https://github.com/vim/vim/issues/3948)

author	Bram Moolenaar <Bram@vim.org>
date	Wed, 13 Feb 2019 18:45:06 +0100
parents	483fda269100
children	6a4e9d9f1d66

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
5296 3e9107b86b68 updated for version 7.4.001 Bram Moolenaar <bram@vim.org> parents: 5255 diff changeset	32 /* Added to NFA_ANY - NFA_NUPPER_IC to include a NL. */
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,
5370 90e2f0729a0d updated for version 7.4.036 Bram Moolenaar <bram@vim.org> parents: 5360 diff changeset	39 NFA_EMPTY, /* matches 0-length */
4781 c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	40
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	41 NFA_START_COLL, /* [abc] start */
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	42 NFA_END_COLL, /* [abc] end */
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	43 NFA_START_NEG_COLL, /* [^abc] start */
4807 3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	44 NFA_END_NEG_COLL, /* [^abc] end (postfix only) */
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	45 NFA_RANGE, /* range of the two previous items
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	46 * (postfix only) */
4781 c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	47 NFA_RANGE_MIN, /* low end of a range */
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	48 NFA_RANGE_MAX, /* high end of a range */
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	49
4807 3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	50 NFA_CONCAT, /* concatenate two previous items (postfix
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	51 * only) */
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	52 NFA_OR, /* \\| (postfix only) */
10551 c3cc8b2aab6a patch 8.0.0165: ubsan warns for integer overflow Christian Brabandt <cb@256bit.org> parents: 10540 diff changeset	53 NFA_STAR, /* greedy * (postfix only) */
4807 3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	54 NFA_STAR_NONGREEDY, /* non-greedy * (postfix only) */
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	55 NFA_QUEST, /* greedy \? (postfix only) */
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	56 NFA_QUEST_NONGREEDY, /* non-greedy \? (postfix only) */
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	57
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	58 NFA_BOL, /* ^ Begin line */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	59 NFA_EOL, /* $ End line */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	60 NFA_BOW, /* \< Begin word */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	61 NFA_EOW, /* \> End word */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	62 NFA_BOF, /* \%^ Begin file */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	63 NFA_EOF, /* \%$ End file */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	64 NFA_NEWL,
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	65 NFA_ZSTART, /* Used for \zs */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	66 NFA_ZEND, /* Used for \ze */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	67 NFA_NOPEN, /* Start of subexpression marked with \%( */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	68 NFA_NCLOSE, /* End of subexpr. marked with \%( ... \) */
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,
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	81 NFA_COMPOSING, /* Next nodes in NFA are part of the
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	82 composing multibyte char */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	83 NFA_END_COMPOSING, /* End of a composing char in the NFA */
5901 10fc95f48546 updated for version 7.4.293 Bram Moolenaar <bram@vim.org> parents: 5895 diff changeset	84 NFA_ANY_COMPOSING, /* \%C: Any composing characters. */
4740 97560c16ca99 updated for version 7.3.1117 Bram Moolenaar <bram@vim.org> parents: 4738 diff changeset	85 NFA_OPT_CHARS, /* \%[abc] */
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	86
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	87 /* The following are used only in the postfix form, not in the NFA */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	88 NFA_PREV_ATOM_NO_WIDTH, /* Used for \@= */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	89 NFA_PREV_ATOM_NO_WIDTH_NEG, /* Used for \@! */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	90 NFA_PREV_ATOM_JUST_BEFORE, /* Used for \@<= */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	91 NFA_PREV_ATOM_JUST_BEFORE_NEG, /* Used for \@<! */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	92 NFA_PREV_ATOM_LIKE_PATTERN, /* Used for \@> */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	93
4571 b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	94 NFA_BACKREF1, /* \1 */
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	95 NFA_BACKREF2, /* \2 */
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	96 NFA_BACKREF3, /* \3 */
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	97 NFA_BACKREF4, /* \4 */
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	98 NFA_BACKREF5, /* \5 */
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	99 NFA_BACKREF6, /* \6 */
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	100 NFA_BACKREF7, /* \7 */
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	101 NFA_BACKREF8, /* \8 */
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 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
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	104 NFA_ZREF1, /* \z1 */
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	105 NFA_ZREF2, /* \z2 */
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	106 NFA_ZREF3, /* \z3 */
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	107 NFA_ZREF4, /* \z4 */
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	108 NFA_ZREF5, /* \z5 */
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	109 NFA_ZREF6, /* \z6 */
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	110 NFA_ZREF7, /* \z7 */
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	111 NFA_ZREF8, /* \z8 */
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	112 NFA_ZREF9, /* \z9 */
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	113 #endif
4571 b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	114 NFA_SKIP, /* Skip characters */
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
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	162 /* NFA_FIRST_NL */
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	163 NFA_ANY, /* Match any one character. */
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	164 NFA_IDENT, /* Match identifier char */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	165 NFA_SIDENT, /* Match identifier char but no digit */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	166 NFA_KWORD, /* Match keyword char */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	167 NFA_SKWORD, /* Match word char but no digit */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	168 NFA_FNAME, /* Match file name char */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	169 NFA_SFNAME, /* Match file name char but no digit */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	170 NFA_PRINT, /* Match printable char */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	171 NFA_SPRINT, /* Match printable char but no digit */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	172 NFA_WHITE, /* Match whitespace char */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	173 NFA_NWHITE, /* Match non-whitespace char */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	174 NFA_DIGIT, /* Match digit char */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	175 NFA_NDIGIT, /* Match non-digit char */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	176 NFA_HEX, /* Match hex char */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	177 NFA_NHEX, /* Match non-hex char */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	178 NFA_OCTAL, /* Match octal char */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	179 NFA_NOCTAL, /* Match non-octal char */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	180 NFA_WORD, /* Match word char */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	181 NFA_NWORD, /* Match non-word char */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	182 NFA_HEAD, /* Match head char */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	183 NFA_NHEAD, /* Match non-head char */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	184 NFA_ALPHA, /* Match alpha char */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	185 NFA_NALPHA, /* Match non-alpha char */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	186 NFA_LOWER, /* Match lowercase char */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	187 NFA_NLOWER, /* Match non-lowercase char */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	188 NFA_UPPER, /* Match uppercase char */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	189 NFA_NUPPER, /* Match non-uppercase char */
5296 3e9107b86b68 updated for version 7.4.001 Bram Moolenaar <bram@vim.org> parents: 5255 diff changeset	190 NFA_LOWER_IC, /* Match [a-z] */
3e9107b86b68 updated for version 7.4.001 Bram Moolenaar <bram@vim.org> parents: 5255 diff changeset	191 NFA_NLOWER_IC, /* Match [^a-z] */
3e9107b86b68 updated for version 7.4.001 Bram Moolenaar <bram@vim.org> parents: 5255 diff changeset	192 NFA_UPPER_IC, /* Match [A-Z] */
3e9107b86b68 updated for version 7.4.001 Bram Moolenaar <bram@vim.org> parents: 5255 diff changeset	193 NFA_NUPPER_IC, /* Match [^A-Z] */
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
321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	198 NFA_CURSOR, /* Match cursor pos */
321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	199 NFA_LNUM, /* Match line number */
321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	200 NFA_LNUM_GT, /* Match > line number */
321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	201 NFA_LNUM_LT, /* Match < line number */
321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	202 NFA_COL, /* Match cursor column */
321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	203 NFA_COL_GT, /* Match > cursor column */
321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	204 NFA_COL_LT, /* Match < cursor column */
321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	205 NFA_VCOL, /* Match cursor virtual column */
321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	206 NFA_VCOL_GT, /* Match > cursor virtual column */
321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	207 NFA_VCOL_LT, /* Match < cursor virtual column */
4732 0798b096bab3 updated for version 7.3.1113 Bram Moolenaar <bram@vim.org> parents: 4730 diff changeset	208 NFA_MARK, /* Match mark */
0798b096bab3 updated for version 7.3.1113 Bram Moolenaar <bram@vim.org> parents: 4730 diff changeset	209 NFA_MARK_GT, /* Match > mark */
0798b096bab3 updated for version 7.3.1113 Bram Moolenaar <bram@vim.org> parents: 4730 diff changeset	210 NFA_MARK_LT, /* Match < mark */
4730 749e2b2755d5 updated for version 7.3.1112 Bram Moolenaar <bram@vim.org> parents: 4728 diff changeset	211 NFA_VISUAL, /* Match Visual area */
4583 321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	212
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	213 /* Character classes [:alnum:] etc */
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
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	235 /* Keep in sync with classchars. */
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");
5511 dd7d1a86b311 updated for version 7.4.104 Bram Moolenaar <bram@vim.org> parents: 5502 diff changeset	248 static char_u e_ill_char_class[] = N_("E877: (NFA regexp) Invalid character class: %ld");
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	249
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	250 // Variables only used in nfa_regcomp() and descendants.
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	251 static int nfa_re_flags; // re_flags passed to nfa_regcomp()
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	252 static int *post_start; // holds the postfix form of r.e.
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	253 static int *post_end;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	254 static int *post_ptr;
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	255 static int nstate; // Number of states in the NFA.
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	256 static int istate; // Index in the state vector, used in alloc_state()
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	257
4694 efc4fb311d5d updated for version 7.3.1094 Bram Moolenaar <bram@vim.org> parents: 4692 diff changeset	258 /* If not NULL match must end at this position */
efc4fb311d5d updated for version 7.3.1094 Bram Moolenaar <bram@vim.org> parents: 4692 diff changeset	259 static save_se_T *nfa_endp = NULL;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	260
4718 ec72bb4a0fc2 updated for version 7.3.1106 Bram Moolenaar <bram@vim.org> parents: 4716 diff changeset	261 /* 0 for first call to nfa_regmatch(), 1 for recursive call. */
ec72bb4a0fc2 updated for version 7.3.1106 Bram Moolenaar <bram@vim.org> parents: 4716 diff changeset	262 static int nfa_ll_index = 0;
ec72bb4a0fc2 updated for version 7.3.1106 Bram Moolenaar <bram@vim.org> parents: 4716 diff changeset	263
7805 0b6c37dd858d commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077 Christian Brabandt <cb@256bit.org> parents: 7258 diff changeset	264 static int realloc_post_list(void);
0b6c37dd858d commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077 Christian Brabandt <cb@256bit.org> parents: 7258 diff changeset	265 static int nfa_reg(int paren);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	266 #ifdef DEBUG
7805 0b6c37dd858d commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077 Christian Brabandt <cb@256bit.org> parents: 7258 diff changeset	267 static void nfa_print_state2(FILE debugf, nfa_state_T state, garray_T *indent);
14309 15530de011bc patch 8.1.0170: invalid memory use with complicated pattern Christian Brabandt <cb@256bit.org> parents: 14173 diff changeset	268 #endif
7805 0b6c37dd858d commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077 Christian Brabandt <cb@256bit.org> parents: 7258 diff changeset	269 static int match_follows(nfa_state_T *startstate, int depth);
0b6c37dd858d commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077 Christian Brabandt <cb@256bit.org> parents: 7258 diff changeset	270 static int failure_chance(nfa_state_T *state, int depth);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	271
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	272 /* helper functions used when doing re2post() ... regatom() parsing */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	273 #define EMIT(c) do { \
4651 f10f63aaec5c updated for version 7.3.1073 Bram Moolenaar <bram@vim.org> parents: 4649 diff changeset	274 if (post_ptr >= post_end && realloc_post_list() == FAIL) \
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	275 return FAIL; \
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	276 *post_ptr++ = c; \
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	277 } while (0)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	278
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	279 /*
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	280 * Initialize internal variables before NFA compilation.
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	281 * Return OK on success, FAIL otherwise.
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	282 */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	283 static int
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	284 nfa_regcomp_start(
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	285 char_u *expr,
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	286 int re_flags) /* see vim_regcomp() */
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	287 {
4458 21e13403140a updated for version 7.3.977 Bram Moolenaar <bram@vim.org> parents: 4456 diff changeset	288 size_t postfix_size;
4555 b2946c06d1b6 updated for version 7.3.1025 Bram Moolenaar <bram@vim.org> parents: 4553 diff changeset	289 int nstate_max;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	290
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	291 nstate = 0;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	292 istate = 0;
4555 b2946c06d1b6 updated for version 7.3.1025 Bram Moolenaar <bram@vim.org> parents: 4553 diff changeset	293 /* A reasonable estimation for maximum size */
4673 05d57d7c2d55 updated for version 7.3.1084 Bram Moolenaar <bram@vim.org> parents: 4671 diff changeset	294 nstate_max = (int)(STRLEN(expr) + 1) * 25;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	295
4454 44b89b025cdf updated for version 7.3.975 Bram Moolenaar <bram@vim.org> parents: 4450 diff changeset	296 /* Some items blow up in size, such as [A-z]. Add more space for that.
4651 f10f63aaec5c updated for version 7.3.1073 Bram Moolenaar <bram@vim.org> parents: 4649 diff changeset	297 * When it is still not enough realloc_post_list() will be used. */
4458 21e13403140a updated for version 7.3.977 Bram Moolenaar <bram@vim.org> parents: 4456 diff changeset	298 nstate_max += 1000;
4454 44b89b025cdf updated for version 7.3.975 Bram Moolenaar <bram@vim.org> parents: 4450 diff changeset	299
44b89b025cdf updated for version 7.3.975 Bram Moolenaar <bram@vim.org> parents: 4450 diff changeset	300 /* Size for postfix representation of expr. */
4651 f10f63aaec5c updated for version 7.3.1073 Bram Moolenaar <bram@vim.org> parents: 4649 diff changeset	301 postfix_size = sizeof(int) * nstate_max;
4454 44b89b025cdf updated for version 7.3.975 Bram Moolenaar <bram@vim.org> parents: 4450 diff changeset	302
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	303 post_start = (int *)lalloc(postfix_size, TRUE);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	304 if (post_start == NULL)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	305 return FAIL;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	306 post_ptr = post_start;
4454 44b89b025cdf updated for version 7.3.975 Bram Moolenaar <bram@vim.org> parents: 4450 diff changeset	307 post_end = post_start + nstate_max;
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	308 rex.nfa_has_zend = FALSE;
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	309 rex.nfa_has_backref = FALSE;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	310
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	311 /* shared with BT engine */
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	312 regcomp_start(expr, re_flags);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	313
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	314 return OK;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	315 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	316
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	317 /*
4772 03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	318 * Figure out if the NFA state list starts with an anchor, must match at start
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	319 * of the line.
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	320 */
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	321 static int
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	322 nfa_get_reganch(nfa_state_T *start, int depth)
4772 03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	323 {
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	324 nfa_state_T *p = start;
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	325
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	326 if (depth > 4)
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	327 return 0;
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	328
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	329 while (p != NULL)
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	330 {
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	331 switch (p->c)
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	332 {
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	333 case NFA_BOL:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	334 case NFA_BOF:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	335 return 1; /* yes! */
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	336
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	337 case NFA_ZSTART:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	338 case NFA_ZEND:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	339 case NFA_CURSOR:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	340 case NFA_VISUAL:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	341
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	342 case NFA_MOPEN:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	343 case NFA_MOPEN1:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	344 case NFA_MOPEN2:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	345 case NFA_MOPEN3:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	346 case NFA_MOPEN4:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	347 case NFA_MOPEN5:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	348 case NFA_MOPEN6:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	349 case NFA_MOPEN7:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	350 case NFA_MOPEN8:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	351 case NFA_MOPEN9:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	352 case NFA_NOPEN:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	353 #ifdef FEAT_SYN_HL
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	354 case NFA_ZOPEN:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	355 case NFA_ZOPEN1:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	356 case NFA_ZOPEN2:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	357 case NFA_ZOPEN3:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	358 case NFA_ZOPEN4:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	359 case NFA_ZOPEN5:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	360 case NFA_ZOPEN6:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	361 case NFA_ZOPEN7:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	362 case NFA_ZOPEN8:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	363 case NFA_ZOPEN9:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	364 #endif
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	365 p = p->out;
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	366 break;
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	367
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	368 case NFA_SPLIT:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	369 return nfa_get_reganch(p->out, depth + 1)
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	370 && nfa_get_reganch(p->out1, depth + 1);
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	371
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	372 default:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	373 return 0; /* noooo */
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	374 }
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	375 }
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	376 return 0;
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	377 }
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	378
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	379 /*
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	380 * Figure out if the NFA state list starts with a character which must match
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	381 * at start of the match.
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	382 */
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	383 static int
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	384 nfa_get_regstart(nfa_state_T *start, int depth)
4772 03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	385 {
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	386 nfa_state_T *p = start;
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	387
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	388 if (depth > 4)
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	389 return 0;
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	390
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	391 while (p != NULL)
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	392 {
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	393 switch (p->c)
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	394 {
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	395 /* all kinds of zero-width matches */
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	396 case NFA_BOL:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	397 case NFA_BOF:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	398 case NFA_BOW:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	399 case NFA_EOW:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	400 case NFA_ZSTART:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	401 case NFA_ZEND:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	402 case NFA_CURSOR:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	403 case NFA_VISUAL:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	404 case NFA_LNUM:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	405 case NFA_LNUM_GT:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	406 case NFA_LNUM_LT:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	407 case NFA_COL:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	408 case NFA_COL_GT:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	409 case NFA_COL_LT:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	410 case NFA_VCOL:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	411 case NFA_VCOL_GT:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	412 case NFA_VCOL_LT:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	413 case NFA_MARK:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	414 case NFA_MARK_GT:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	415 case NFA_MARK_LT:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	416
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	417 case NFA_MOPEN:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	418 case NFA_MOPEN1:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	419 case NFA_MOPEN2:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	420 case NFA_MOPEN3:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	421 case NFA_MOPEN4:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	422 case NFA_MOPEN5:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	423 case NFA_MOPEN6:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	424 case NFA_MOPEN7:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	425 case NFA_MOPEN8:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	426 case NFA_MOPEN9:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	427 case NFA_NOPEN:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	428 #ifdef FEAT_SYN_HL
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	429 case NFA_ZOPEN:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	430 case NFA_ZOPEN1:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	431 case NFA_ZOPEN2:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	432 case NFA_ZOPEN3:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	433 case NFA_ZOPEN4:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	434 case NFA_ZOPEN5:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	435 case NFA_ZOPEN6:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	436 case NFA_ZOPEN7:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	437 case NFA_ZOPEN8:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	438 case NFA_ZOPEN9:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	439 #endif
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	440 p = p->out;
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	441 break;
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	442
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	443 case NFA_SPLIT:
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	444 {
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	445 int c1 = nfa_get_regstart(p->out, depth + 1);
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	446 int c2 = nfa_get_regstart(p->out1, depth + 1);
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	447
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	448 if (c1 == c2)
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	449 return c1; /* yes! */
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	450 return 0;
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	451 }
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	452
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	453 default:
4785 3b5a023a4543 updated for version 7.3.1139 Bram Moolenaar <bram@vim.org> parents: 4783 diff changeset	454 if (p->c > 0)
4772 03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	455 return p->c; /* yes! */
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	456 return 0;
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	457 }
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	458 }
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	459 return 0;
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	460 }
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	461
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	462 /*
4805 66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	463 * Figure out if the NFA state list contains just literal text and nothing
4807 3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	464 * else. If so return a string in allocated memory with what must match after
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	465 * regstart. Otherwise return NULL.
4805 66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	466 */
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	467 static char_u *
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	468 nfa_get_match_text(nfa_state_T *start)
4805 66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	469 {
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	470 nfa_state_T *p = start;
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	471 int len = 0;
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	472 char_u *ret;
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	473 char_u *s;
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	474
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	475 if (p->c != NFA_MOPEN)
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	476 return NULL; /* just in case */
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	477 p = p->out;
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	478 while (p->c > 0)
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	479 {
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	480 len += MB_CHAR2LEN(p->c);
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	481 p = p->out;
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	482 }
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	483 if (p->c != NFA_MCLOSE \|\| p->out->c != NFA_MATCH)
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	484 return NULL;
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	485
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	486 ret = alloc(len);
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	487 if (ret != NULL)
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	488 {
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	489 p = start->out->out; /* skip first char, it goes into regstart */
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	490 s = ret;
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	491 while (p->c > 0)
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	492 {
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	493 if (has_mbyte)
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	494 s += (*mb_char2bytes)(p->c, s);
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	495 else
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	496 *s++ = p->c;
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	497 p = p->out;
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	498 }
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	499 *s = NUL;
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	500 }
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	501 return ret;
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	502 }
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	503
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	504 /*
4651 f10f63aaec5c updated for version 7.3.1073 Bram Moolenaar <bram@vim.org> parents: 4649 diff changeset	505 * Allocate more space for post_start. Called when
f10f63aaec5c updated for version 7.3.1073 Bram Moolenaar <bram@vim.org> parents: 4649 diff changeset	506 * running above the estimated number of states.
f10f63aaec5c updated for version 7.3.1073 Bram Moolenaar <bram@vim.org> parents: 4649 diff changeset	507 */
f10f63aaec5c updated for version 7.3.1073 Bram Moolenaar <bram@vim.org> parents: 4649 diff changeset	508 static int
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	509 realloc_post_list(void)
4651 f10f63aaec5c updated for version 7.3.1073 Bram Moolenaar <bram@vim.org> parents: 4649 diff changeset	510 {
4667 9e7ef781d494 updated for version 7.3.1081 Bram Moolenaar <bram@vim.org> parents: 4661 diff changeset	511 int nstate_max = (int)(post_end - post_start);
4651 f10f63aaec5c updated for version 7.3.1073 Bram Moolenaar <bram@vim.org> parents: 4649 diff changeset	512 int new_max = nstate_max + 1000;
f10f63aaec5c updated for version 7.3.1073 Bram Moolenaar <bram@vim.org> parents: 4649 diff changeset	513 int *new_start;
f10f63aaec5c updated for version 7.3.1073 Bram Moolenaar <bram@vim.org> parents: 4649 diff changeset	514 int *old_start;
f10f63aaec5c updated for version 7.3.1073 Bram Moolenaar <bram@vim.org> parents: 4649 diff changeset	515
f10f63aaec5c updated for version 7.3.1073 Bram Moolenaar <bram@vim.org> parents: 4649 diff changeset	516 new_start = (int )lalloc(new_max sizeof(int), TRUE);
f10f63aaec5c updated for version 7.3.1073 Bram Moolenaar <bram@vim.org> parents: 4649 diff changeset	517 if (new_start == NULL)
f10f63aaec5c updated for version 7.3.1073 Bram Moolenaar <bram@vim.org> parents: 4649 diff changeset	518 return FAIL;
f10f63aaec5c updated for version 7.3.1073 Bram Moolenaar <bram@vim.org> parents: 4649 diff changeset	519 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	520 old_start = post_start;
f10f63aaec5c updated for version 7.3.1073 Bram Moolenaar <bram@vim.org> parents: 4649 diff changeset	521 post_start = new_start;
f10f63aaec5c updated for version 7.3.1073 Bram Moolenaar <bram@vim.org> parents: 4649 diff changeset	522 post_ptr = new_start + (post_ptr - old_start);
f10f63aaec5c updated for version 7.3.1073 Bram Moolenaar <bram@vim.org> parents: 4649 diff changeset	523 post_end = post_start + new_max;
f10f63aaec5c updated for version 7.3.1073 Bram Moolenaar <bram@vim.org> parents: 4649 diff changeset	524 vim_free(old_start);
f10f63aaec5c updated for version 7.3.1073 Bram Moolenaar <bram@vim.org> parents: 4649 diff changeset	525 return OK;
f10f63aaec5c updated for version 7.3.1073 Bram Moolenaar <bram@vim.org> parents: 4649 diff changeset	526 }
f10f63aaec5c updated for version 7.3.1073 Bram Moolenaar <bram@vim.org> parents: 4649 diff changeset	527
f10f63aaec5c updated for version 7.3.1073 Bram Moolenaar <bram@vim.org> parents: 4649 diff changeset	528 /*
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	529 * 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	530 * character class in expanded form. For example [0-9].
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	531 * 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	532 * On failure, return 0 (=FAIL)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	533 * 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	534 * to the closing brace.
5296 3e9107b86b68 updated for version 7.4.001 Bram Moolenaar <bram@vim.org> parents: 5255 diff changeset	535 * 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	536 * need to be interpreted as [a-zA-Z].
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	537 */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	538 static int
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	539 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	540 {
4728 43de4ebbe7ad updated for version 7.3.1111 Bram Moolenaar <bram@vim.org> parents: 4726 diff changeset	541 # define CLASS_not 0x80
43de4ebbe7ad updated for version 7.3.1111 Bram Moolenaar <bram@vim.org> parents: 4726 diff changeset	542 # define CLASS_af 0x40
43de4ebbe7ad updated for version 7.3.1111 Bram Moolenaar <bram@vim.org> parents: 4726 diff changeset	543 # define CLASS_AF 0x20
43de4ebbe7ad updated for version 7.3.1111 Bram Moolenaar <bram@vim.org> parents: 4726 diff changeset	544 # define CLASS_az 0x10
43de4ebbe7ad updated for version 7.3.1111 Bram Moolenaar <bram@vim.org> parents: 4726 diff changeset	545 # define CLASS_AZ 0x08
43de4ebbe7ad updated for version 7.3.1111 Bram Moolenaar <bram@vim.org> parents: 4726 diff changeset	546 # define CLASS_o7 0x04
43de4ebbe7ad updated for version 7.3.1111 Bram Moolenaar <bram@vim.org> parents: 4726 diff changeset	547 # define CLASS_o9 0x02
43de4ebbe7ad updated for version 7.3.1111 Bram Moolenaar <bram@vim.org> parents: 4726 diff changeset	548 # define CLASS_underscore 0x01
43de4ebbe7ad updated for version 7.3.1111 Bram Moolenaar <bram@vim.org> parents: 4726 diff changeset	549
43de4ebbe7ad updated for version 7.3.1111 Bram Moolenaar <bram@vim.org> parents: 4726 diff changeset	550 int newl = FALSE;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	551 char_u *p;
4728 43de4ebbe7ad updated for version 7.3.1111 Bram Moolenaar <bram@vim.org> parents: 4726 diff changeset	552 int config = 0;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	553
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	554 if (extra_newl == TRUE)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	555 newl = TRUE;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	556
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	557 if (*end != ']')
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	558 return FAIL;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	559 p = start;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	560 if (*p == '^')
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	561 {
4728 43de4ebbe7ad updated for version 7.3.1111 Bram Moolenaar <bram@vim.org> parents: 4726 diff changeset	562 config \|= CLASS_not;
4720 bd6bef0bd0fb updated for version 7.3.1107 Bram Moolenaar <bram@vim.org> parents: 4718 diff changeset	563 p++;
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
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	566 while (p < end)
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 (p + 2 < end && *(p + 1) == '-')
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	569 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	570 switch (*p)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	571 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	572 case '0':
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	573 if (*(p + 2) == '9')
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	574 {
4728 43de4ebbe7ad updated for version 7.3.1111 Bram Moolenaar <bram@vim.org> parents: 4726 diff changeset	575 config \|= CLASS_o9;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	576 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	577 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	578 if (*(p + 2) == '7')
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	579 {
4728 43de4ebbe7ad updated for version 7.3.1111 Bram Moolenaar <bram@vim.org> parents: 4726 diff changeset	580 config \|= CLASS_o7;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	581 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	582 }
11469 0ade9dd85156 patch 8.0.0618: NFA regex engine handles [0-z] incorrectly Christian Brabandt <cb@256bit.org> parents: 11269 diff changeset	583 return FAIL;
0ade9dd85156 patch 8.0.0618: NFA regex engine handles [0-z] incorrectly Christian Brabandt <cb@256bit.org> parents: 11269 diff changeset	584
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	585 case 'a':
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	586 if (*(p + 2) == 'z')
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	587 {
4728 43de4ebbe7ad updated for version 7.3.1111 Bram Moolenaar <bram@vim.org> parents: 4726 diff changeset	588 config \|= CLASS_az;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	589 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	590 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	591 if (*(p + 2) == 'f')
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	592 {
4728 43de4ebbe7ad updated for version 7.3.1111 Bram Moolenaar <bram@vim.org> parents: 4726 diff changeset	593 config \|= CLASS_af;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	594 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	595 }
11469 0ade9dd85156 patch 8.0.0618: NFA regex engine handles [0-z] incorrectly Christian Brabandt <cb@256bit.org> parents: 11269 diff changeset	596 return FAIL;
0ade9dd85156 patch 8.0.0618: NFA regex engine handles [0-z] incorrectly Christian Brabandt <cb@256bit.org> parents: 11269 diff changeset	597
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	598 case 'A':
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	599 if (*(p + 2) == 'Z')
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	600 {
4728 43de4ebbe7ad updated for version 7.3.1111 Bram Moolenaar <bram@vim.org> parents: 4726 diff changeset	601 config \|= CLASS_AZ;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	602 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	603 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	604 if (*(p + 2) == 'F')
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	605 {
4728 43de4ebbe7ad updated for version 7.3.1111 Bram Moolenaar <bram@vim.org> parents: 4726 diff changeset	606 config \|= CLASS_AF;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	607 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	608 }
11469 0ade9dd85156 patch 8.0.0618: NFA regex engine handles [0-z] incorrectly Christian Brabandt <cb@256bit.org> parents: 11269 diff changeset	609 return FAIL;
0ade9dd85156 patch 8.0.0618: NFA regex engine handles [0-z] incorrectly Christian Brabandt <cb@256bit.org> parents: 11269 diff changeset	610
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	611 default:
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	612 return FAIL;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	613 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	614 p += 3;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	615 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	616 else if (p + 1 < end && p == '\\' && (p + 1) == 'n')
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	617 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	618 newl = TRUE;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	619 p += 2;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	620 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	621 else if (*p == '_')
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	622 {
4728 43de4ebbe7ad updated for version 7.3.1111 Bram Moolenaar <bram@vim.org> parents: 4726 diff changeset	623 config \|= CLASS_underscore;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	624 p ++;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	625 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	626 else if (*p == '\n')
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	627 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	628 newl = TRUE;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	629 p ++;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	630 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	631 else
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	632 return FAIL;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	633 } /* while (p < end) */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	634
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	635 if (p != end)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	636 return FAIL;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	637
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	638 if (newl == TRUE)
5296 3e9107b86b68 updated for version 7.4.001 Bram Moolenaar <bram@vim.org> parents: 5255 diff changeset	639 extra_newl = NFA_ADD_NL;
4728 43de4ebbe7ad updated for version 7.3.1111 Bram Moolenaar <bram@vim.org> parents: 4726 diff changeset	640
43de4ebbe7ad updated for version 7.3.1111 Bram Moolenaar <bram@vim.org> parents: 4726 diff changeset	641 switch (config)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	642 {
4728 43de4ebbe7ad updated for version 7.3.1111 Bram Moolenaar <bram@vim.org> parents: 4726 diff changeset	643 case CLASS_o9:
43de4ebbe7ad updated for version 7.3.1111 Bram Moolenaar <bram@vim.org> parents: 4726 diff changeset	644 return extra_newl + NFA_DIGIT;
43de4ebbe7ad updated for version 7.3.1111 Bram Moolenaar <bram@vim.org> parents: 4726 diff changeset	645 case CLASS_not \| CLASS_o9:
43de4ebbe7ad updated for version 7.3.1111 Bram Moolenaar <bram@vim.org> parents: 4726 diff changeset	646 return extra_newl + NFA_NDIGIT;
43de4ebbe7ad updated for version 7.3.1111 Bram Moolenaar <bram@vim.org> parents: 4726 diff changeset	647 case CLASS_af \| CLASS_AF \| CLASS_o9:
43de4ebbe7ad updated for version 7.3.1111 Bram Moolenaar <bram@vim.org> parents: 4726 diff changeset	648 return extra_newl + NFA_HEX;
43de4ebbe7ad updated for version 7.3.1111 Bram Moolenaar <bram@vim.org> parents: 4726 diff changeset	649 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	650 return extra_newl + NFA_NHEX;
43de4ebbe7ad updated for version 7.3.1111 Bram Moolenaar <bram@vim.org> parents: 4726 diff changeset	651 case CLASS_o7:
43de4ebbe7ad updated for version 7.3.1111 Bram Moolenaar <bram@vim.org> parents: 4726 diff changeset	652 return extra_newl + NFA_OCTAL;
43de4ebbe7ad updated for version 7.3.1111 Bram Moolenaar <bram@vim.org> parents: 4726 diff changeset	653 case CLASS_not \| CLASS_o7:
43de4ebbe7ad updated for version 7.3.1111 Bram Moolenaar <bram@vim.org> parents: 4726 diff changeset	654 return extra_newl + NFA_NOCTAL;
43de4ebbe7ad updated for version 7.3.1111 Bram Moolenaar <bram@vim.org> parents: 4726 diff changeset	655 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	656 return extra_newl + NFA_WORD;
43de4ebbe7ad updated for version 7.3.1111 Bram Moolenaar <bram@vim.org> parents: 4726 diff changeset	657 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	658 return extra_newl + NFA_NWORD;
43de4ebbe7ad updated for version 7.3.1111 Bram Moolenaar <bram@vim.org> parents: 4726 diff changeset	659 case CLASS_az \| CLASS_AZ \| CLASS_underscore:
43de4ebbe7ad updated for version 7.3.1111 Bram Moolenaar <bram@vim.org> parents: 4726 diff changeset	660 return extra_newl + NFA_HEAD;
43de4ebbe7ad updated for version 7.3.1111 Bram Moolenaar <bram@vim.org> parents: 4726 diff changeset	661 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	662 return extra_newl + NFA_NHEAD;
43de4ebbe7ad updated for version 7.3.1111 Bram Moolenaar <bram@vim.org> parents: 4726 diff changeset	663 case CLASS_az \| CLASS_AZ:
43de4ebbe7ad updated for version 7.3.1111 Bram Moolenaar <bram@vim.org> parents: 4726 diff changeset	664 return extra_newl + NFA_ALPHA;
43de4ebbe7ad updated for version 7.3.1111 Bram Moolenaar <bram@vim.org> parents: 4726 diff changeset	665 case CLASS_not \| CLASS_az \| CLASS_AZ:
43de4ebbe7ad updated for version 7.3.1111 Bram Moolenaar <bram@vim.org> parents: 4726 diff changeset	666 return extra_newl + NFA_NALPHA;
43de4ebbe7ad updated for version 7.3.1111 Bram Moolenaar <bram@vim.org> parents: 4726 diff changeset	667 case CLASS_az:
5296 3e9107b86b68 updated for version 7.4.001 Bram Moolenaar <bram@vim.org> parents: 5255 diff changeset	668 return extra_newl + NFA_LOWER_IC;
4728 43de4ebbe7ad updated for version 7.3.1111 Bram Moolenaar <bram@vim.org> parents: 4726 diff changeset	669 case CLASS_not \| CLASS_az:
5296 3e9107b86b68 updated for version 7.4.001 Bram Moolenaar <bram@vim.org> parents: 5255 diff changeset	670 return extra_newl + NFA_NLOWER_IC;
4728 43de4ebbe7ad updated for version 7.3.1111 Bram Moolenaar <bram@vim.org> parents: 4726 diff changeset	671 case CLASS_AZ:
5296 3e9107b86b68 updated for version 7.4.001 Bram Moolenaar <bram@vim.org> parents: 5255 diff changeset	672 return extra_newl + NFA_UPPER_IC;
4728 43de4ebbe7ad updated for version 7.3.1111 Bram Moolenaar <bram@vim.org> parents: 4726 diff changeset	673 case CLASS_not \| CLASS_AZ:
5296 3e9107b86b68 updated for version 7.4.001 Bram Moolenaar <bram@vim.org> parents: 5255 diff changeset	674 return extra_newl + NFA_NUPPER_IC;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	675 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	676 return FAIL;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	677 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	678
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	679 /*
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	680 * Produce the bytes for equivalence class "c".
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	681 * Currently only handles latin1, latin9 and utf-8.
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	682 * 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	683 * equivalent to 'a OR b OR c'
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	684 *
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	685 * 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	686 */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	687 static int
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	688 nfa_emit_equi_class(int c)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	689 {
5351 923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	690 #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	691 #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	692
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	693 if (enc_utf8 \|\| STRCMP(p_enc, "latin1") == 0
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	694 \|\| STRCMP(p_enc, "iso-8859-15") == 0)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	695 {
8841 f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	696 #ifdef EBCDIC
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	697 # define A_circumflex 0x62
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	698 # define A_diaeresis 0x63
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	699 # define A_grave 0x64
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	700 # define A_acute 0x65
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	701 # define A_virguilla 0x66
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	702 # define A_ring 0x67
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	703 # define C_cedilla 0x68
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	704 # define E_acute 0x71
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	705 # define E_circumflex 0x72
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	706 # define E_diaeresis 0x73
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	707 # define E_grave 0x74
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	708 # define I_acute 0x75
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	709 # define I_circumflex 0x76
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	710 # define I_diaeresis 0x77
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	711 # define I_grave 0x78
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	712 # define N_virguilla 0x69
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	713 # define O_circumflex 0xeb
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	714 # define O_diaeresis 0xec
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	715 # define O_grave 0xed
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	716 # define O_acute 0xee
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	717 # define O_virguilla 0xef
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	718 # define O_slash 0x80
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	719 # define U_circumflex 0xfb
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	720 # define U_diaeresis 0xfc
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	721 # define U_grave 0xfd
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	722 # define U_acute 0xfe
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	723 # define Y_acute 0xba
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	724 # define a_grave 0x42
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	725 # define a_acute 0x43
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	726 # define a_circumflex 0x44
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	727 # define a_virguilla 0x45
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	728 # define a_diaeresis 0x46
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	729 # define a_ring 0x47
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	730 # define c_cedilla 0x48
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	731 # define e_grave 0x51
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	732 # define e_acute 0x52
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	733 # define e_circumflex 0x53
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	734 # define e_diaeresis 0x54
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	735 # define i_grave 0x55
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	736 # define i_acute 0x56
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	737 # define i_circumflex 0x57
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	738 # define i_diaeresis 0x58
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	739 # define n_virguilla 0x49
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	740 # define o_grave 0xcb
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	741 # define o_acute 0xcc
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	742 # define o_circumflex 0xcd
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	743 # define o_virguilla 0xce
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	744 # define o_diaeresis 0xcf
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	745 # define o_slash 0x70
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	746 # define u_grave 0xdb
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	747 # define u_acute 0xdc
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	748 # define u_circumflex 0xdd
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	749 # define u_diaeresis 0xde
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	750 # define y_acute 0x8d
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	751 # define y_diaeresis 0xdf
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	752 #else
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	753 # define A_grave 0xc0
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	754 # define A_acute 0xc1
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	755 # define A_circumflex 0xc2
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	756 # define A_virguilla 0xc3
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	757 # define A_diaeresis 0xc4
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	758 # define A_ring 0xc5
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	759 # define C_cedilla 0xc7
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	760 # define E_grave 0xc8
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	761 # define E_acute 0xc9
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	762 # define E_circumflex 0xca
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	763 # define E_diaeresis 0xcb
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	764 # define I_grave 0xcc
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	765 # define I_acute 0xcd
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	766 # define I_circumflex 0xce
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	767 # define I_diaeresis 0xcf
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	768 # define N_virguilla 0xd1
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	769 # define O_grave 0xd2
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	770 # define O_acute 0xd3
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	771 # define O_circumflex 0xd4
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	772 # define O_virguilla 0xd5
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	773 # define O_diaeresis 0xd6
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	774 # define O_slash 0xd8
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	775 # define U_grave 0xd9
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	776 # define U_acute 0xda
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	777 # define U_circumflex 0xdb
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	778 # define U_diaeresis 0xdc
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	779 # define Y_acute 0xdd
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	780 # define a_grave 0xe0
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	781 # define a_acute 0xe1
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	782 # define a_circumflex 0xe2
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	783 # define a_virguilla 0xe3
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	784 # define a_diaeresis 0xe4
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	785 # define a_ring 0xe5
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	786 # define c_cedilla 0xe7
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	787 # define e_grave 0xe8
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	788 # define e_acute 0xe9
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	789 # define e_circumflex 0xea
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	790 # define e_diaeresis 0xeb
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	791 # define i_grave 0xec
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	792 # define i_acute 0xed
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	793 # define i_circumflex 0xee
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	794 # define i_diaeresis 0xef
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	795 # define n_virguilla 0xf1
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	796 # define o_grave 0xf2
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	797 # define o_acute 0xf3
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	798 # define o_circumflex 0xf4
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	799 # define o_virguilla 0xf5
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	800 # define o_diaeresis 0xf6
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	801 # define o_slash 0xf8
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	802 # define u_grave 0xf9
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	803 # define u_acute 0xfa
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	804 # define u_circumflex 0xfb
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	805 # define u_diaeresis 0xfc
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	806 # define y_acute 0xfd
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	807 # define y_diaeresis 0xff
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	808 #endif
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	809 switch (c)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	810 {
8841 f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	811 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	812 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	813 CASEMBC(0x100) CASEMBC(0x102) CASEMBC(0x104)
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	814 CASEMBC(0x1cd) CASEMBC(0x1de) CASEMBC(0x1e0)
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	815 CASEMBC(0x1ea2)
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	816 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	817 EMIT2(A_circumflex); EMIT2(A_virguilla);
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	818 EMIT2(A_diaeresis); EMIT2(A_ring);
5351 923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	819 EMITMBC(0x100) EMITMBC(0x102) EMITMBC(0x104)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	820 EMITMBC(0x1cd) EMITMBC(0x1de) EMITMBC(0x1e0)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	821 EMITMBC(0x1ea2)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	822 return OK;
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	823
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	824 case 'B': CASEMBC(0x1e02) CASEMBC(0x1e06)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	825 EMIT2('B'); EMITMBC(0x1e02) EMITMBC(0x1e06)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	826 return OK;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	827
8841 f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	828 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	829 CASEMBC(0x10a) CASEMBC(0x10c)
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	830 EMIT2('C'); EMIT2(C_cedilla);
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	831 EMITMBC(0x106) EMITMBC(0x108)
5351 923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	832 EMITMBC(0x10a) EMITMBC(0x10c)
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 '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	836 CASEMBC(0x1e0e) CASEMBC(0x1e10)
5351 923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	837 EMIT2('D'); EMITMBC(0x10e) EMITMBC(0x110) EMITMBC(0x1e0a)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	838 EMITMBC(0x1e0e) EMITMBC(0x1e10)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	839 return OK;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	840
8841 f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	841 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	842 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	843 CASEMBC(0x116) CASEMBC(0x118) CASEMBC(0x11a)
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	844 CASEMBC(0x1eba) CASEMBC(0x1ebc)
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	845 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	846 EMIT2(E_circumflex); EMIT2(E_diaeresis);
5351 923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	847 EMITMBC(0x112) EMITMBC(0x114) EMITMBC(0x116)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	848 EMITMBC(0x118) EMITMBC(0x11a) EMITMBC(0x1eba)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	849 EMITMBC(0x1ebc)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	850 return OK;
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	851
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	852 case 'F': CASEMBC(0x1e1e)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	853 EMIT2('F'); EMITMBC(0x1e1e)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	854 return OK;
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	855
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	856 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	857 CASEMBC(0x122) CASEMBC(0x1e4) CASEMBC(0x1e6)
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	858 CASEMBC(0x1f4) CASEMBC(0x1e20)
5351 923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	859 EMIT2('G'); EMITMBC(0x11c) EMITMBC(0x11e) EMITMBC(0x120)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	860 EMITMBC(0x122) EMITMBC(0x1e4) EMITMBC(0x1e6)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	861 EMITMBC(0x1f4) EMITMBC(0x1e20)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	862 return OK;
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	863
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	864 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	865 CASEMBC(0x1e26) CASEMBC(0x1e28)
5351 923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	866 EMIT2('H'); EMITMBC(0x124) EMITMBC(0x126) EMITMBC(0x1e22)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	867 EMITMBC(0x1e26) EMITMBC(0x1e28)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	868 return OK;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	869
8841 f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	870 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	871 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	872 CASEMBC(0x12c) CASEMBC(0x12e) CASEMBC(0x130)
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	873 CASEMBC(0x1cf) CASEMBC(0x1ec8)
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	874 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	875 EMIT2(I_circumflex); EMIT2(I_diaeresis);
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	876 EMITMBC(0x128) EMITMBC(0x12a)
5351 923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	877 EMITMBC(0x12c) EMITMBC(0x12e) EMITMBC(0x130)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	878 EMITMBC(0x1cf) EMITMBC(0x1ec8)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	879 return OK;
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	880
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	881 case 'J': CASEMBC(0x134)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	882 EMIT2('J'); EMITMBC(0x134)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	883 return OK;
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	884
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	885 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	886 CASEMBC(0x1e34)
5351 923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	887 EMIT2('K'); EMITMBC(0x136) EMITMBC(0x1e8) EMITMBC(0x1e30)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	888 EMITMBC(0x1e34)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	889 return OK;
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	890
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	891 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	892 CASEMBC(0x13f) CASEMBC(0x141) CASEMBC(0x1e3a)
5351 923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	893 EMIT2('L'); EMITMBC(0x139) EMITMBC(0x13b) EMITMBC(0x13d)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	894 EMITMBC(0x13f) EMITMBC(0x141) EMITMBC(0x1e3a)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	895 return OK;
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	896
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	897 case 'M': CASEMBC(0x1e3e) CASEMBC(0x1e40)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	898 EMIT2('M'); EMITMBC(0x1e3e) EMITMBC(0x1e40)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	899 return OK;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	900
8841 f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	901 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	902 CASEMBC(0x147) CASEMBC(0x1e44) CASEMBC(0x1e48)
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	903 EMIT2('N'); EMIT2(N_virguilla);
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	904 EMITMBC(0x143) EMITMBC(0x145)
5351 923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	905 EMITMBC(0x147) EMITMBC(0x1e44) EMITMBC(0x1e48)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	906 return OK;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	907
8841 f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	908 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	909 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	910 CASEMBC(0x14c) CASEMBC(0x14e) CASEMBC(0x150)
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	911 CASEMBC(0x1a0) CASEMBC(0x1d1) CASEMBC(0x1ea)
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	912 CASEMBC(0x1ec) CASEMBC(0x1ece)
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	913 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	914 EMIT2(O_circumflex); EMIT2(O_virguilla);
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	915 EMIT2(O_diaeresis); EMIT2(O_slash);
5351 923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	916 EMITMBC(0x14c) EMITMBC(0x14e) EMITMBC(0x150)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	917 EMITMBC(0x1a0) EMITMBC(0x1d1) EMITMBC(0x1ea)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	918 EMITMBC(0x1ec) EMITMBC(0x1ece)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	919 return OK;
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	920
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	921 case 'P': case 0x1e54: case 0x1e56:
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	922 EMIT2('P'); EMITMBC(0x1e54) EMITMBC(0x1e56)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	923 return OK;
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	924
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	925 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	926 CASEMBC(0x1e58) CASEMBC(0x1e5e)
5351 923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	927 EMIT2('R'); EMITMBC(0x154) EMITMBC(0x156) EMITMBC(0x158)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	928 EMITMBC(0x1e58) EMITMBC(0x1e5e)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	929 return OK;
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	930
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	931 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	932 CASEMBC(0x160) CASEMBC(0x1e60)
5351 923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	933 EMIT2('S'); EMITMBC(0x15a) EMITMBC(0x15c) EMITMBC(0x15e)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	934 EMITMBC(0x160) EMITMBC(0x1e60)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	935 return OK;
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	936
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	937 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	938 CASEMBC(0x1e6a) CASEMBC(0x1e6e)
5351 923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	939 EMIT2('T'); EMITMBC(0x162) EMITMBC(0x164) EMITMBC(0x166)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	940 EMITMBC(0x1e6a) EMITMBC(0x1e6e)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	941 return OK;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	942
8841 f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	943 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	944 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	945 CASEMBC(0x16c) CASEMBC(0x16e) CASEMBC(0x170)
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	946 CASEMBC(0x172) CASEMBC(0x1af) CASEMBC(0x1d3)
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	947 CASEMBC(0x1ee6)
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	948 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	949 EMIT2(U_diaeresis); EMIT2(U_circumflex);
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	950 EMITMBC(0x168) EMITMBC(0x16a)
5351 923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	951 EMITMBC(0x16c) EMITMBC(0x16e) EMITMBC(0x170)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	952 EMITMBC(0x172) EMITMBC(0x1af) EMITMBC(0x1d3)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	953 EMITMBC(0x1ee6)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	954 return OK;
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	955
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	956 case 'V': CASEMBC(0x1e7c)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	957 EMIT2('V'); EMITMBC(0x1e7c)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	958 return OK;
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	959
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	960 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	961 CASEMBC(0x1e84) CASEMBC(0x1e86)
5351 923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	962 EMIT2('W'); EMITMBC(0x174) EMITMBC(0x1e80) EMITMBC(0x1e82)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	963 EMITMBC(0x1e84) EMITMBC(0x1e86)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	964 return OK;
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	965
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	966 case 'X': CASEMBC(0x1e8a) CASEMBC(0x1e8c)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	967 EMIT2('X'); EMITMBC(0x1e8a) EMITMBC(0x1e8c)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	968 return OK;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	969
8841 f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	970 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	971 CASEMBC(0x1e8e) CASEMBC(0x1ef2) CASEMBC(0x1ef6)
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	972 CASEMBC(0x1ef8)
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	973 EMIT2('Y'); EMIT2(Y_acute);
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	974 EMITMBC(0x176) EMITMBC(0x178)
5351 923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	975 EMITMBC(0x1e8e) EMITMBC(0x1ef2) EMITMBC(0x1ef6)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	976 EMITMBC(0x1ef8)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	977 return OK;
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	978
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	979 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	980 CASEMBC(0x1b5) CASEMBC(0x1e90) CASEMBC(0x1e94)
5351 923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	981 EMIT2('Z'); EMITMBC(0x179) EMITMBC(0x17b) EMITMBC(0x17d)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	982 EMITMBC(0x1b5) EMITMBC(0x1e90) EMITMBC(0x1e94)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	983 return OK;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	984
8841 f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	985 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	986 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	987 CASEMBC(0x101) CASEMBC(0x103) CASEMBC(0x105)
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	988 CASEMBC(0x1ce) CASEMBC(0x1df) CASEMBC(0x1e1)
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	989 CASEMBC(0x1ea3)
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	990 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	991 EMIT2(a_circumflex); EMIT2(a_virguilla);
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	992 EMIT2(a_diaeresis); EMIT2(a_ring);
5351 923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	993 EMITMBC(0x101) EMITMBC(0x103) EMITMBC(0x105)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	994 EMITMBC(0x1ce) EMITMBC(0x1df) EMITMBC(0x1e1)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	995 EMITMBC(0x1ea3)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	996 return OK;
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	997
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	998 case 'b': CASEMBC(0x1e03) CASEMBC(0x1e07)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	999 EMIT2('b'); EMITMBC(0x1e03) EMITMBC(0x1e07)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1000 return OK;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1001
8841 f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	1002 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	1003 CASEMBC(0x10b) CASEMBC(0x10d)
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	1004 EMIT2('c'); EMIT2(c_cedilla);
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	1005 EMITMBC(0x107) EMITMBC(0x109)
5351 923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1006 EMITMBC(0x10b) EMITMBC(0x10d)
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
6914 94b179585851 patch 7.4.776 Bram Moolenaar <bram@vim.org> parents: 6787 diff changeset	1009 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	1010 CASEMBC(0x1e0f) CASEMBC(0x1e11)
6914 94b179585851 patch 7.4.776 Bram Moolenaar <bram@vim.org> parents: 6787 diff changeset	1011 EMIT2('d'); EMITMBC(0x10f) EMITMBC(0x111)
94b179585851 patch 7.4.776 Bram Moolenaar <bram@vim.org> parents: 6787 diff changeset	1012 EMITMBC(0x1e0b) EMITMBC(0x1e0f) EMITMBC(0x1e11)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1013 return OK;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1014
8841 f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	1015 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	1016 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	1017 CASEMBC(0x117) CASEMBC(0x119) CASEMBC(0x11b)
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	1018 CASEMBC(0x1ebb) CASEMBC(0x1ebd)
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	1019 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	1020 EMIT2(e_circumflex); EMIT2(e_diaeresis);
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	1021 EMITMBC(0x113) EMITMBC(0x115)
5351 923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1022 EMITMBC(0x117) EMITMBC(0x119) EMITMBC(0x11b)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1023 EMITMBC(0x1ebb) EMITMBC(0x1ebd)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1024 return OK;
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1025
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1026 case 'f': CASEMBC(0x1e1f)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1027 EMIT2('f'); EMITMBC(0x1e1f)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1028 return OK;
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1029
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1030 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	1031 CASEMBC(0x123) CASEMBC(0x1e5) CASEMBC(0x1e7)
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	1032 CASEMBC(0x1f5) CASEMBC(0x1e21)
5351 923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1033 EMIT2('g'); EMITMBC(0x11d) EMITMBC(0x11f) EMITMBC(0x121)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1034 EMITMBC(0x123) EMITMBC(0x1e5) EMITMBC(0x1e7)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1035 EMITMBC(0x1f5) EMITMBC(0x1e21)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1036 return OK;
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1037
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1038 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	1039 CASEMBC(0x1e27) CASEMBC(0x1e29) CASEMBC(0x1e96)
5351 923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1040 EMIT2('h'); EMITMBC(0x125) EMITMBC(0x127) EMITMBC(0x1e23)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1041 EMITMBC(0x1e27) EMITMBC(0x1e29) EMITMBC(0x1e96)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1042 return OK;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1043
8841 f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	1044 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	1045 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	1046 CASEMBC(0x12d) CASEMBC(0x12f) CASEMBC(0x1d0)
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	1047 CASEMBC(0x1ec9)
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	1048 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	1049 EMIT2(i_circumflex); EMIT2(i_diaeresis);
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	1050 EMITMBC(0x129) EMITMBC(0x12b)
5351 923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1051 EMITMBC(0x12d) EMITMBC(0x12f) EMITMBC(0x1d0)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1052 EMITMBC(0x1ec9)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1053 return OK;
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1054
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1055 case 'j': CASEMBC(0x135) CASEMBC(0x1f0)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1056 EMIT2('j'); EMITMBC(0x135) EMITMBC(0x1f0)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1057 return OK;
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1058
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1059 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	1060 CASEMBC(0x1e35)
5351 923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1061 EMIT2('k'); EMITMBC(0x137) EMITMBC(0x1e9) EMITMBC(0x1e31)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1062 EMITMBC(0x1e35)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1063 return OK;
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1064
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1065 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	1066 CASEMBC(0x140) CASEMBC(0x142) CASEMBC(0x1e3b)
5351 923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1067 EMIT2('l'); EMITMBC(0x13a) EMITMBC(0x13c) EMITMBC(0x13e)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1068 EMITMBC(0x140) EMITMBC(0x142) EMITMBC(0x1e3b)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1069 return OK;
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1070
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1071 case 'm': CASEMBC(0x1e3f) CASEMBC(0x1e41)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1072 EMIT2('m'); EMITMBC(0x1e3f) EMITMBC(0x1e41)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1073 return OK;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1074
8841 f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	1075 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	1076 CASEMBC(0x148) CASEMBC(0x149) CASEMBC(0x1e45)
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	1077 CASEMBC(0x1e49)
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	1078 EMIT2('n'); EMIT2(n_virguilla);
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	1079 EMITMBC(0x144) EMITMBC(0x146)
5351 923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1080 EMITMBC(0x148) EMITMBC(0x149) EMITMBC(0x1e45)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1081 EMITMBC(0x1e49)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1082 return OK;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1083
8841 f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	1084 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	1085 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	1086 CASEMBC(0x14d) CASEMBC(0x14f) CASEMBC(0x151)
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	1087 CASEMBC(0x1a1) CASEMBC(0x1d2) CASEMBC(0x1eb)
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	1088 CASEMBC(0x1ed) CASEMBC(0x1ecf)
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	1089 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	1090 EMIT2(o_circumflex); EMIT2(o_virguilla);
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	1091 EMIT2(o_diaeresis); EMIT2(o_slash);
5351 923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1092 EMITMBC(0x14d) EMITMBC(0x14f) EMITMBC(0x151)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1093 EMITMBC(0x1a1) EMITMBC(0x1d2) EMITMBC(0x1eb)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1094 EMITMBC(0x1ed) EMITMBC(0x1ecf)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1095 return OK;
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1096
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1097 case 'p': CASEMBC(0x1e55) CASEMBC(0x1e57)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1098 EMIT2('p'); EMITMBC(0x1e55) EMITMBC(0x1e57)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1099 return OK;
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1100
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1101 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	1102 CASEMBC(0x1e59) CASEMBC(0x1e5f)
5351 923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1103 EMIT2('r'); EMITMBC(0x155) EMITMBC(0x157) EMITMBC(0x159)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1104 EMITMBC(0x1e59) EMITMBC(0x1e5f)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1105 return OK;
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1106
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1107 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	1108 CASEMBC(0x161) CASEMBC(0x1e61)
5351 923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1109 EMIT2('s'); EMITMBC(0x15b) EMITMBC(0x15d) EMITMBC(0x15f)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1110 EMITMBC(0x161) EMITMBC(0x1e61)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1111 return OK;
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1112
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1113 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	1114 CASEMBC(0x1e6b) CASEMBC(0x1e6f) CASEMBC(0x1e97)
5351 923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1115 EMIT2('t'); EMITMBC(0x163) EMITMBC(0x165) EMITMBC(0x167)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1116 EMITMBC(0x1e6b) EMITMBC(0x1e6f) EMITMBC(0x1e97)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1117 return OK;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1118
8841 f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	1119 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	1120 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	1121 CASEMBC(0x16d) CASEMBC(0x16f) CASEMBC(0x171)
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	1122 CASEMBC(0x173) CASEMBC(0x1b0) CASEMBC(0x1d4)
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	1123 CASEMBC(0x1ee7)
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	1124 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	1125 EMIT2(u_circumflex); EMIT2(u_diaeresis);
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	1126 EMITMBC(0x169) EMITMBC(0x16b)
5351 923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1127 EMITMBC(0x16d) EMITMBC(0x16f) EMITMBC(0x171)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1128 EMITMBC(0x173) EMITMBC(0x1b0) EMITMBC(0x1d4)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1129 EMITMBC(0x1ee7)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1130 return OK;
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1131
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1132 case 'v': CASEMBC(0x1e7d)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1133 EMIT2('v'); EMITMBC(0x1e7d)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1134 return OK;
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1135
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1136 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	1137 CASEMBC(0x1e85) CASEMBC(0x1e87) CASEMBC(0x1e98)
5351 923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1138 EMIT2('w'); EMITMBC(0x175) EMITMBC(0x1e81) EMITMBC(0x1e83)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1139 EMITMBC(0x1e85) EMITMBC(0x1e87) EMITMBC(0x1e98)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1140 return OK;
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1141
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1142 case 'x': CASEMBC(0x1e8b) CASEMBC(0x1e8d)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1143 EMIT2('x'); EMITMBC(0x1e8b) EMITMBC(0x1e8d)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1144 return OK;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1145
8841 f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	1146 case '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	1147 CASEMBC(0x1e8f) CASEMBC(0x1e99) CASEMBC(0x1ef3)
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	1148 CASEMBC(0x1ef7) CASEMBC(0x1ef9)
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2 Christian Brabandt <cb@256bit.org> parents: 8021 diff changeset	1149 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	1150 EMITMBC(0x177)
5351 923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1151 EMITMBC(0x1e8f) EMITMBC(0x1e99) EMITMBC(0x1ef3)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1152 EMITMBC(0x1ef7) EMITMBC(0x1ef9)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1153 return OK;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1154
5351 923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1155 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	1156 CASEMBC(0x1b6) CASEMBC(0x1e91) CASEMBC(0x1e95)
5351 923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1157 EMIT2('z'); EMITMBC(0x17a) EMITMBC(0x17c) EMITMBC(0x17e)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1158 EMITMBC(0x1b6) EMITMBC(0x1e91) EMITMBC(0x1e95)
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1159 return OK;
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1160
923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1161 /* default: character itself */
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1162 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1163 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1164
5351 923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1165 EMIT2(c);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1166 return OK;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1167 #undef EMIT2
5351 923738744a60 updated for version 7.4.028 Bram Moolenaar <bram@vim.org> parents: 5336 diff changeset	1168 #undef EMITMBC
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1169 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1170
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1171 /*
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1172 * Code to parse regular expression.
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 * 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	1175 * minimize surprise and keep the syntax consistent.
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1176 */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1177
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1178 /*
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1179 * Parse the lowest level.
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 * 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	1182 * 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	1183 * 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	1184 * is only for syntax highlighting.
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1185 *
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1186 * atom ::= ordinary-atom
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1187 * or $ pattern $
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1188 * or \%( pattern \)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1189 * or \z( pattern \)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1190 */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1191 static int
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	1192 nfa_regatom(void)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1193 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1194 int c;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1195 int charclass;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1196 int equiclass;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1197 int collclass;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1198 int got_coll_char;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1199 char_u *p;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1200 char_u *endp;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1201 char_u *old_regparse = regparse;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1202 int extra = 0;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1203 int emit_range;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1204 int negated;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1205 int result;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1206 int startc = -1;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1207 int endc = -1;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1208 int oldstartc = -1;
8021 b6b4f354df23 commit https://github.com/vim/vim/commit/7c29f387819b5817b003d2ba73e2b5cf3cb3d0dd Christian Brabandt <cb@256bit.org> parents: 7833 diff changeset	1209 int save_prev_at_start = prev_at_start;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1210
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1211 c = getchr();
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1212 switch (c)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1213 {
4543 08ac46980953 updated for version 7.3.1019 Bram Moolenaar <bram@vim.org> parents: 4541 diff changeset	1214 case NUL:
5511 dd7d1a86b311 updated for version 7.4.104 Bram Moolenaar <bram@vim.org> parents: 5502 diff changeset	1215 EMSG_RET_FAIL(_(e_nul_found));
4543 08ac46980953 updated for version 7.3.1019 Bram Moolenaar <bram@vim.org> parents: 4541 diff changeset	1216
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1217 case Magic('^'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1218 EMIT(NFA_BOL);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1219 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1220
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1221 case Magic('$'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1222 EMIT(NFA_EOL);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1223 #if defined(FEAT_SYN_HL) \|\| defined(PROTO)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1224 had_eol = TRUE;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1225 #endif
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1226 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1227
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_BOW);
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_EOW);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1234 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1235
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1236 case Magic('_'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1237 c = no_Magic(getchr());
5511 dd7d1a86b311 updated for version 7.4.104 Bram Moolenaar <bram@vim.org> parents: 5502 diff changeset	1238 if (c == NUL)
dd7d1a86b311 updated for version 7.4.104 Bram Moolenaar <bram@vim.org> parents: 5502 diff changeset	1239 EMSG_RET_FAIL(_(e_nul_found));
dd7d1a86b311 updated for version 7.4.104 Bram Moolenaar <bram@vim.org> parents: 5502 diff changeset	1240
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1241 if (c == '^') /* "\_^" is start-of-line */
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 EMIT(NFA_BOL);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1244 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1245 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1246 if (c == '$') /* "\_$" is end-of-line */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1247 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1248 EMIT(NFA_EOL);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1249 #if defined(FEAT_SYN_HL) \|\| defined(PROTO)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1250 had_eol = TRUE;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1251 #endif
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1252 break;
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
5296 3e9107b86b68 updated for version 7.4.001 Bram Moolenaar <bram@vim.org> parents: 5255 diff changeset	1255 extra = NFA_ADD_NL;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1256
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1257 /* "\_[" is collection plus newline */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1258 if (c == '[')
4517 9a2183bd8295 updated for version 7.3.1006 Bram Moolenaar <bram@vim.org> parents: 4515 diff changeset	1259 goto collection;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1260
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1261 /* "\_x" is character class plus newline */
12674 e769c912fcd9 patch 8.0.1215: newer gcc warns for implicit fallthrough Christian Brabandt <cb@256bit.org> parents: 11896 diff changeset	1262 /* FALLTHROUGH */
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1263
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 * Character classes.
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1266 */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1267 case Magic('.'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1268 case Magic('i'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1269 case Magic('I'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1270 case Magic('k'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1271 case Magic('K'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1272 case Magic('f'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1273 case Magic('F'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1274 case Magic('p'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1275 case Magic('P'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1276 case Magic('s'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1277 case Magic('S'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1278 case Magic('d'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1279 case Magic('D'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1280 case Magic('x'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1281 case Magic('X'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1282 case Magic('o'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1283 case Magic('O'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1284 case Magic('w'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1285 case Magic('W'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1286 case Magic('h'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1287 case Magic('H'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1288 case Magic('a'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1289 case Magic('A'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1290 case Magic('l'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1291 case Magic('L'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1292 case Magic('u'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1293 case Magic('U'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1294 p = vim_strchr(classchars, no_Magic(c));
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1295 if (p == NULL)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1296 {
5511 dd7d1a86b311 updated for version 7.4.104 Bram Moolenaar <bram@vim.org> parents: 5502 diff changeset	1297 if (extra == NFA_ADD_NL)
dd7d1a86b311 updated for version 7.4.104 Bram Moolenaar <bram@vim.org> parents: 5502 diff changeset	1298 {
15470 55ccc2d353bd patch 8.1.0743: giving error messages is not flexible Bram Moolenaar <Bram@vim.org> parents: 15265 diff changeset	1299 semsg(_(e_ill_char_class), c);
5511 dd7d1a86b311 updated for version 7.4.104 Bram Moolenaar <bram@vim.org> parents: 5502 diff changeset	1300 rc_did_emsg = TRUE;
dd7d1a86b311 updated for version 7.4.104 Bram Moolenaar <bram@vim.org> parents: 5502 diff changeset	1301 return FAIL;
dd7d1a86b311 updated for version 7.4.104 Bram Moolenaar <bram@vim.org> parents: 5502 diff changeset	1302 }
15490 98c35d312987 patch 8.1.0753: printf format not checked for semsg() Bram Moolenaar <Bram@vim.org> parents: 15470 diff changeset	1303 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	1304 return FAIL;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1305 }
15603 639b8318472c patch 8.1.0809: too many #ifdefs Bram Moolenaar <Bram@vim.org> parents: 15490 diff changeset	1306
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1307 /* When '.' is followed by a composing char ignore the dot, so that
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1308 * the composing char is matched here. */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1309 if (enc_utf8 && c == Magic('.') && utf_iscomposing(peekchr()))
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1310 {
4535 45f97c349537 updated for version 7.3.1015 Bram Moolenaar <bram@vim.org> parents: 4533 diff changeset	1311 old_regparse = regparse;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1312 c = getchr();
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1313 goto nfa_do_multibyte;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1314 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1315 EMIT(nfa_classcodes[p - classchars]);
5296 3e9107b86b68 updated for version 7.4.001 Bram Moolenaar <bram@vim.org> parents: 5255 diff changeset	1316 if (extra == NFA_ADD_NL)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1317 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1318 EMIT(NFA_NEWL);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1319 EMIT(NFA_OR);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1320 regflags \|= RF_HASNL;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1321 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1322 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1323
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1324 case Magic('n'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1325 if (reg_string)
4781 c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	1326 /* In a string "\n" matches a newline character. */
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	1327 EMIT(NL);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1328 else
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1329 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1330 /* In buffer text "\n" matches the end of a line. */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1331 EMIT(NFA_NEWL);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1332 regflags \|= RF_HASNL;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1333 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1334 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1335
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1336 case Magic('('):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1337 if (nfa_reg(REG_PAREN) == FAIL)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1338 return FAIL; /* cascaded error */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1339 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1340
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1341 case Magic('\|'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1342 case Magic('&'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1343 case Magic(')'):
15470 55ccc2d353bd patch 8.1.0743: giving error messages is not flexible Bram Moolenaar <Bram@vim.org> parents: 15265 diff changeset	1344 semsg(_(e_misplaced), no_Magic(c));
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1345 return FAIL;
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 case Magic('?'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1349 case Magic('+'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1350 case Magic('@'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1351 case Magic('*'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1352 case Magic('{'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1353 /* 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	1354 semsg(_(e_misplaced), no_Magic(c));
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1355 return FAIL;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1356
4714 fc4d7f02ea3a updated for version 7.3.1104 Bram Moolenaar <bram@vim.org> parents: 4712 diff changeset	1357 case Magic('~'):
fc4d7f02ea3a updated for version 7.3.1104 Bram Moolenaar <bram@vim.org> parents: 4712 diff changeset	1358 {
fc4d7f02ea3a updated for version 7.3.1104 Bram Moolenaar <bram@vim.org> parents: 4712 diff changeset	1359 char_u *lp;
fc4d7f02ea3a updated for version 7.3.1104 Bram Moolenaar <bram@vim.org> parents: 4712 diff changeset	1360
fc4d7f02ea3a updated for version 7.3.1104 Bram Moolenaar <bram@vim.org> parents: 4712 diff changeset	1361 /* Previous substitute pattern.
fc4d7f02ea3a updated for version 7.3.1104 Bram Moolenaar <bram@vim.org> parents: 4712 diff changeset	1362 * Generated as "\%(pattern\)". */
fc4d7f02ea3a updated for version 7.3.1104 Bram Moolenaar <bram@vim.org> parents: 4712 diff changeset	1363 if (reg_prev_sub == NULL)
fc4d7f02ea3a updated for version 7.3.1104 Bram Moolenaar <bram@vim.org> parents: 4712 diff changeset	1364 {
15470 55ccc2d353bd patch 8.1.0743: giving error messages is not flexible Bram Moolenaar <Bram@vim.org> parents: 15265 diff changeset	1365 emsg(_(e_nopresub));
4714 fc4d7f02ea3a updated for version 7.3.1104 Bram Moolenaar <bram@vim.org> parents: 4712 diff changeset	1366 return FAIL;
fc4d7f02ea3a updated for version 7.3.1104 Bram Moolenaar <bram@vim.org> parents: 4712 diff changeset	1367 }
11127 506f5d8b7d8b patch 8.0.0451: some macros are in lower case Christian Brabandt <cb@256bit.org> parents: 10551 diff changeset	1368 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	1369 {
fc4d7f02ea3a updated for version 7.3.1104 Bram Moolenaar <bram@vim.org> parents: 4712 diff changeset	1370 EMIT(PTR2CHAR(lp));
fc4d7f02ea3a updated for version 7.3.1104 Bram Moolenaar <bram@vim.org> parents: 4712 diff changeset	1371 if (lp != reg_prev_sub)
fc4d7f02ea3a updated for version 7.3.1104 Bram Moolenaar <bram@vim.org> parents: 4712 diff changeset	1372 EMIT(NFA_CONCAT);
fc4d7f02ea3a updated for version 7.3.1104 Bram Moolenaar <bram@vim.org> parents: 4712 diff changeset	1373 }
fc4d7f02ea3a updated for version 7.3.1104 Bram Moolenaar <bram@vim.org> parents: 4712 diff changeset	1374 EMIT(NFA_NOPEN);
fc4d7f02ea3a updated for version 7.3.1104 Bram Moolenaar <bram@vim.org> parents: 4712 diff changeset	1375 break;
fc4d7f02ea3a updated for version 7.3.1104 Bram Moolenaar <bram@vim.org> parents: 4712 diff changeset	1376 }
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1377
4647 857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	1378 case Magic('1'):
857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	1379 case Magic('2'):
857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	1380 case Magic('3'):
857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	1381 case Magic('4'):
857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	1382 case Magic('5'):
857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	1383 case Magic('6'):
857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	1384 case Magic('7'):
857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	1385 case Magic('8'):
857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	1386 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	1387 {
14b6b79d685b patch 8.0.0645: no error for illegal back reference in NFA engine Christian Brabandt <cb@256bit.org> parents: 11521 diff changeset	1388 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	1389
14b6b79d685b patch 8.0.0645: no error for illegal back reference in NFA engine Christian Brabandt <cb@256bit.org> parents: 11521 diff changeset	1390 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	1391 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	1392 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	1393 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	1394 }
4647 857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	1395 break;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1396
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1397 case Magic('z'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1398 c = no_Magic(getchr());
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1399 switch (c)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1400 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1401 case 's':
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1402 EMIT(NFA_ZSTART);
6170 3ee39fe2df7d updated for version 7.4.421 Bram Moolenaar <bram@vim.org> parents: 5901 diff changeset	1403 if (re_mult_next("\\zs") == FAIL)
3ee39fe2df7d updated for version 7.4.421 Bram Moolenaar <bram@vim.org> parents: 5901 diff changeset	1404 return FAIL;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1405 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1406 case 'e':
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1407 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	1408 rex.nfa_has_zend = TRUE;
6170 3ee39fe2df7d updated for version 7.4.421 Bram Moolenaar <bram@vim.org> parents: 5901 diff changeset	1409 if (re_mult_next("\\ze") == FAIL)
3ee39fe2df7d updated for version 7.4.421 Bram Moolenaar <bram@vim.org> parents: 5901 diff changeset	1410 return FAIL;
4569 f262fb02889d updated for version 7.3.1032 Bram Moolenaar <bram@vim.org> parents: 4567 diff changeset	1411 break;
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	1412 #ifdef FEAT_SYN_HL
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1413 case '1':
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1414 case '2':
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1415 case '3':
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1416 case '4':
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1417 case '5':
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1418 case '6':
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1419 case '7':
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1420 case '8':
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1421 case '9':
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	1422 /* \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	1423 if ((reg_do_extmatch & REX_USE) == 0)
4688 371cc0c44097 updated for version 7.3.1091 Bram Moolenaar <bram@vim.org> parents: 4686 diff changeset	1424 EMSG_RET_FAIL(_(e_z1_not_allowed));
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	1425 EMIT(NFA_ZREF1 + (no_Magic(c) - '1'));
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	1426 /* No need to set rex.nfa_has_backref, the sub-matches don't
4728 43de4ebbe7ad updated for version 7.3.1111 Bram Moolenaar <bram@vim.org> parents: 4726 diff changeset	1427 * change when \z1 .. \z9 matches or not. */
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	1428 re_has_z = REX_USE;
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	1429 break;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1430 case '(':
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	1431 /* \z( */
14161 7cac4646c552 patch 8.1.0098: segfault when pattern with z() is very slow Christian Brabandt <cb@256bit.org> parents: 14159 diff changeset	1432 if ((reg_do_extmatch & REX_SET) == 0)
4688 371cc0c44097 updated for version 7.3.1091 Bram Moolenaar <bram@vim.org> parents: 4686 diff changeset	1433 EMSG_RET_FAIL(_(e_z_not_allowed));
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	1434 if (nfa_reg(REG_ZPAREN) == FAIL)
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	1435 return FAIL; /* cascaded error */
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	1436 re_has_z = REX_SET;
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	1437 break;
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	1438 #endif
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1439 default:
15470 55ccc2d353bd patch 8.1.0743: giving error messages is not flexible Bram Moolenaar <Bram@vim.org> parents: 15265 diff changeset	1440 semsg(_("E867: (NFA) Unknown operator '\\z%c'"),
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1441 no_Magic(c));
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1442 return FAIL;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1443 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1444 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1445
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1446 case Magic('%'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1447 c = no_Magic(getchr());
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1448 switch (c)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1449 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1450 /* () without a back reference */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1451 case '(':
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1452 if (nfa_reg(REG_NPAREN) == FAIL)
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 EMIT(NFA_NOPEN);
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 'd': /* %d123 decimal */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1458 case 'o': /* %o123 octal */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1459 case 'x': /* %xab hex 2 */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1460 case 'u': /* %uabcd hex 4 */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1461 case 'U': /* %U1234abcd hex 8 */
4543 08ac46980953 updated for version 7.3.1019 Bram Moolenaar <bram@vim.org> parents: 4541 diff changeset	1462 {
12752 09c856605191 patch 8.0.1254: undefined left shift in gethexchrs() Christian Brabandt <cb@256bit.org> parents: 12674 diff changeset	1463 long nr;
4543 08ac46980953 updated for version 7.3.1019 Bram Moolenaar <bram@vim.org> parents: 4541 diff changeset	1464
08ac46980953 updated for version 7.3.1019 Bram Moolenaar <bram@vim.org> parents: 4541 diff changeset	1465 switch (c)
08ac46980953 updated for version 7.3.1019 Bram Moolenaar <bram@vim.org> parents: 4541 diff changeset	1466 {
4549 849180347ac3 updated for version 7.3.1022 Bram Moolenaar <bram@vim.org> parents: 4547 diff changeset	1467 case 'd': nr = getdecchrs(); break;
849180347ac3 updated for version 7.3.1022 Bram Moolenaar <bram@vim.org> parents: 4547 diff changeset	1468 case 'o': nr = getoctchrs(); break;
849180347ac3 updated for version 7.3.1022 Bram Moolenaar <bram@vim.org> parents: 4547 diff changeset	1469 case 'x': nr = gethexchrs(2); break;
849180347ac3 updated for version 7.3.1022 Bram Moolenaar <bram@vim.org> parents: 4547 diff changeset	1470 case 'u': nr = gethexchrs(4); break;
849180347ac3 updated for version 7.3.1022 Bram Moolenaar <bram@vim.org> parents: 4547 diff changeset	1471 case 'U': nr = gethexchrs(8); break;
849180347ac3 updated for version 7.3.1022 Bram Moolenaar <bram@vim.org> parents: 4547 diff changeset	1472 default: nr = -1; break;
4543 08ac46980953 updated for version 7.3.1019 Bram Moolenaar <bram@vim.org> parents: 4541 diff changeset	1473 }
08ac46980953 updated for version 7.3.1019 Bram Moolenaar <bram@vim.org> parents: 4541 diff changeset	1474
4549 849180347ac3 updated for version 7.3.1022 Bram Moolenaar <bram@vim.org> parents: 4547 diff changeset	1475 if (nr < 0)
4543 08ac46980953 updated for version 7.3.1019 Bram Moolenaar <bram@vim.org> parents: 4541 diff changeset	1476 EMSG2_RET_FAIL(
08ac46980953 updated for version 7.3.1019 Bram Moolenaar <bram@vim.org> parents: 4541 diff changeset	1477 _("E678: Invalid character after %s%%[dxouU]"),
08ac46980953 updated for version 7.3.1019 Bram Moolenaar <bram@vim.org> parents: 4541 diff changeset	1478 reg_magic == MAGIC_ALL);
5360 71e92a1cb37d updated for version 7.4.032 Bram Moolenaar <bram@vim.org> parents: 5351 diff changeset	1479 /* A NUL is stored in the text as NL */
4543 08ac46980953 updated for version 7.3.1019 Bram Moolenaar <bram@vim.org> parents: 4541 diff changeset	1480 /* TODO: what if a composing character follows? */
5360 71e92a1cb37d updated for version 7.4.032 Bram Moolenaar <bram@vim.org> parents: 5351 diff changeset	1481 EMIT(nr == 0 ? 0x0a : nr);
4543 08ac46980953 updated for version 7.3.1019 Bram Moolenaar <bram@vim.org> parents: 4541 diff changeset	1482 }
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1483 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1484
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1485 /* Catch \%^ and \%$ regardless of where they appear in the
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1486 * pattern -- regardless of whether or not it makes sense. */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1487 case '^':
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1488 EMIT(NFA_BOF);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1489 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1490
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1491 case '$':
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1492 EMIT(NFA_EOF);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1493 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1494
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1495 case '#':
4583 321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	1496 EMIT(NFA_CURSOR);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1497 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1498
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1499 case 'V':
4730 749e2b2755d5 updated for version 7.3.1112 Bram Moolenaar <bram@vim.org> parents: 4728 diff changeset	1500 EMIT(NFA_VISUAL);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1501 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1502
5901 10fc95f48546 updated for version 7.4.293 Bram Moolenaar <bram@vim.org> parents: 5895 diff changeset	1503 case 'C':
10fc95f48546 updated for version 7.4.293 Bram Moolenaar <bram@vim.org> parents: 5895 diff changeset	1504 EMIT(NFA_ANY_COMPOSING);
10fc95f48546 updated for version 7.4.293 Bram Moolenaar <bram@vim.org> parents: 5895 diff changeset	1505 break;
10fc95f48546 updated for version 7.4.293 Bram Moolenaar <bram@vim.org> parents: 5895 diff changeset	1506
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1507 case '[':
4740 97560c16ca99 updated for version 7.3.1117 Bram Moolenaar <bram@vim.org> parents: 4738 diff changeset	1508 {
97560c16ca99 updated for version 7.3.1117 Bram Moolenaar <bram@vim.org> parents: 4738 diff changeset	1509 int n;
97560c16ca99 updated for version 7.3.1117 Bram Moolenaar <bram@vim.org> parents: 4738 diff changeset	1510
97560c16ca99 updated for version 7.3.1117 Bram Moolenaar <bram@vim.org> parents: 4738 diff changeset	1511 /* \%[abc] */
4944 613651492c19 updated for version 7.3.1217 Bram Moolenaar <bram@vim.org> parents: 4938 diff changeset	1512 for (n = 0; (c = peekchr()) != ']'; ++n)
4740 97560c16ca99 updated for version 7.3.1117 Bram Moolenaar <bram@vim.org> parents: 4738 diff changeset	1513 {
97560c16ca99 updated for version 7.3.1117 Bram Moolenaar <bram@vim.org> parents: 4738 diff changeset	1514 if (c == NUL)
97560c16ca99 updated for version 7.3.1117 Bram Moolenaar <bram@vim.org> parents: 4738 diff changeset	1515 EMSG2_RET_FAIL(_(e_missing_sb),
97560c16ca99 updated for version 7.3.1117 Bram Moolenaar <bram@vim.org> parents: 4738 diff changeset	1516 reg_magic == MAGIC_ALL);
4944 613651492c19 updated for version 7.3.1217 Bram Moolenaar <bram@vim.org> parents: 4938 diff changeset	1517 /* recursive call! */
613651492c19 updated for version 7.3.1217 Bram Moolenaar <bram@vim.org> parents: 4938 diff changeset	1518 if (nfa_regatom() == FAIL)
613651492c19 updated for version 7.3.1217 Bram Moolenaar <bram@vim.org> parents: 4938 diff changeset	1519 return FAIL;
4740 97560c16ca99 updated for version 7.3.1117 Bram Moolenaar <bram@vim.org> parents: 4738 diff changeset	1520 }
4944 613651492c19 updated for version 7.3.1217 Bram Moolenaar <bram@vim.org> parents: 4938 diff changeset	1521 getchr(); /* get the ] */
4760 532a9855bd30 updated for version 7.3.1127 Bram Moolenaar <bram@vim.org> parents: 4758 diff changeset	1522 if (n == 0)
532a9855bd30 updated for version 7.3.1127 Bram Moolenaar <bram@vim.org> parents: 4758 diff changeset	1523 EMSG2_RET_FAIL(_(e_empty_sb),
532a9855bd30 updated for version 7.3.1127 Bram Moolenaar <bram@vim.org> parents: 4758 diff changeset	1524 reg_magic == MAGIC_ALL);
4740 97560c16ca99 updated for version 7.3.1117 Bram Moolenaar <bram@vim.org> parents: 4738 diff changeset	1525 EMIT(NFA_OPT_CHARS);
97560c16ca99 updated for version 7.3.1117 Bram Moolenaar <bram@vim.org> parents: 4738 diff changeset	1526 EMIT(n);
5255 3c6e2b89875f updated for version 7.4b.004 Bram Moolenaar <bram@vim.org> parents: 5253 diff changeset	1527
3c6e2b89875f updated for version 7.4b.004 Bram Moolenaar <bram@vim.org> parents: 5253 diff changeset	1528 /* Emit as "\%(\%[abc]\)" to be able to handle
3c6e2b89875f updated for version 7.4b.004 Bram Moolenaar <bram@vim.org> parents: 5253 diff changeset	1529 * "\%[abc]*" which would cause the empty string to be
3c6e2b89875f updated for version 7.4b.004 Bram Moolenaar <bram@vim.org> parents: 5253 diff changeset	1530 * matched an unlimited number of times. NFA_NOPEN is
3c6e2b89875f updated for version 7.4b.004 Bram Moolenaar <bram@vim.org> parents: 5253 diff changeset	1531 * added only once at a position, while NFA_SPLIT is
3c6e2b89875f updated for version 7.4b.004 Bram Moolenaar <bram@vim.org> parents: 5253 diff changeset	1532 * added multiple times. This is more efficient than
6547 436d6c9e57f2 updated for version 7.4.600 Bram Moolenaar <bram@vim.org> parents: 6545 diff changeset	1533 * not allowing NFA_SPLIT multiple times, it is used
5255 3c6e2b89875f updated for version 7.4b.004 Bram Moolenaar <bram@vim.org> parents: 5253 diff changeset	1534 * a lot. */
3c6e2b89875f updated for version 7.4b.004 Bram Moolenaar <bram@vim.org> parents: 5253 diff changeset	1535 EMIT(NFA_NOPEN);
4740 97560c16ca99 updated for version 7.3.1117 Bram Moolenaar <bram@vim.org> parents: 4738 diff changeset	1536 break;
97560c16ca99 updated for version 7.3.1117 Bram Moolenaar <bram@vim.org> parents: 4738 diff changeset	1537 }
4571 b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	1538
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1539 default:
4583 321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	1540 {
13192 9bd4151e5aeb patch 8.0.1470: integer overflow when using regexp pattern Christian Brabandt <cb@256bit.org> parents: 13043 diff changeset	1541 long n = 0;
4583 321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	1542 int cmp = c;
321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	1543
321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	1544 if (c == '<' \|\| c == '>')
321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	1545 c = getchr();
321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	1546 while (VIM_ISDIGIT(c))
321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	1547 {
321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	1548 n = n * 10 + (c - '0');
321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	1549 c = getchr();
321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	1550 }
321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	1551 if (c == 'l' \|\| c == 'c' \|\| c == 'v')
321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	1552 {
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	1553 int limit = INT_MAX;
f043c8931585 patch 8.1.0908: can't handle large value for %{nr}v in regexp Bram Moolenaar <Bram@vim.org> parents: 15800 diff changeset	1554
4583 321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	1555 if (c == 'l')
8021 b6b4f354df23 commit https://github.com/vim/vim/commit/7c29f387819b5817b003d2ba73e2b5cf3cb3d0dd Christian Brabandt <cb@256bit.org> parents: 7833 diff changeset	1556 {
4732 0798b096bab3 updated for version 7.3.1113 Bram Moolenaar <bram@vim.org> parents: 4730 diff changeset	1557 /* \%{n}l \%{n}<l \%{n}>l */
4583 321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	1558 EMIT(cmp == '<' ? NFA_LNUM_LT :
4732 0798b096bab3 updated for version 7.3.1113 Bram Moolenaar <bram@vim.org> parents: 4730 diff changeset	1559 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	1560 if (save_prev_at_start)
b6b4f354df23 commit https://github.com/vim/vim/commit/7c29f387819b5817b003d2ba73e2b5cf3cb3d0dd Christian Brabandt <cb@256bit.org> parents: 7833 diff changeset	1561 at_start = TRUE;
b6b4f354df23 commit https://github.com/vim/vim/commit/7c29f387819b5817b003d2ba73e2b5cf3cb3d0dd Christian Brabandt <cb@256bit.org> parents: 7833 diff changeset	1562 }
4583 321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	1563 else if (c == 'c')
4732 0798b096bab3 updated for version 7.3.1113 Bram Moolenaar <bram@vim.org> parents: 4730 diff changeset	1564 /* \%{n}c \%{n}<c \%{n}>c */
4583 321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	1565 EMIT(cmp == '<' ? NFA_COL_LT :
4732 0798b096bab3 updated for version 7.3.1113 Bram Moolenaar <bram@vim.org> parents: 4730 diff changeset	1566 cmp == '>' ? NFA_COL_GT : NFA_COL);
4583 321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	1567 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	1568 {
4732 0798b096bab3 updated for version 7.3.1113 Bram Moolenaar <bram@vim.org> parents: 4730 diff changeset	1569 /* \%{n}v \%{n}<v \%{n}>v */
4583 321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	1570 EMIT(cmp == '<' ? NFA_VCOL_LT :
4732 0798b096bab3 updated for version 7.3.1113 Bram Moolenaar <bram@vim.org> parents: 4730 diff changeset	1571 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	1572 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	1573 }
f043c8931585 patch 8.1.0908: can't handle large value for %{nr}v in regexp Bram Moolenaar <Bram@vim.org> parents: 15800 diff changeset	1574 if (n >= limit)
13192 9bd4151e5aeb patch 8.0.1470: integer overflow when using regexp pattern Christian Brabandt <cb@256bit.org> parents: 13043 diff changeset	1575 {
15470 55ccc2d353bd patch 8.1.0743: giving error messages is not flexible Bram Moolenaar <Bram@vim.org> parents: 15265 diff changeset	1576 emsg(_("E951: \\% value too large"));
13192 9bd4151e5aeb patch 8.0.1470: integer overflow when using regexp pattern Christian Brabandt <cb@256bit.org> parents: 13043 diff changeset	1577 return FAIL;
9bd4151e5aeb patch 8.0.1470: integer overflow when using regexp pattern Christian Brabandt <cb@256bit.org> parents: 13043 diff changeset	1578 }
9bd4151e5aeb patch 8.0.1470: integer overflow when using regexp pattern Christian Brabandt <cb@256bit.org> parents: 13043 diff changeset	1579 EMIT((int)n);
4583 321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	1580 break;
321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	1581 }
4732 0798b096bab3 updated for version 7.3.1113 Bram Moolenaar <bram@vim.org> parents: 4730 diff changeset	1582 else if (c == '\'' && n == 0)
0798b096bab3 updated for version 7.3.1113 Bram Moolenaar <bram@vim.org> parents: 4730 diff changeset	1583 {
0798b096bab3 updated for version 7.3.1113 Bram Moolenaar <bram@vim.org> parents: 4730 diff changeset	1584 /* \%'m \%<'m \%>'m */
0798b096bab3 updated for version 7.3.1113 Bram Moolenaar <bram@vim.org> parents: 4730 diff changeset	1585 EMIT(cmp == '<' ? NFA_MARK_LT :
0798b096bab3 updated for version 7.3.1113 Bram Moolenaar <bram@vim.org> parents: 4730 diff changeset	1586 cmp == '>' ? NFA_MARK_GT : NFA_MARK);
4740 97560c16ca99 updated for version 7.3.1117 Bram Moolenaar <bram@vim.org> parents: 4738 diff changeset	1587 EMIT(getchr());
4732 0798b096bab3 updated for version 7.3.1113 Bram Moolenaar <bram@vim.org> parents: 4730 diff changeset	1588 break;
0798b096bab3 updated for version 7.3.1113 Bram Moolenaar <bram@vim.org> parents: 4730 diff changeset	1589 }
4583 321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	1590 }
15470 55ccc2d353bd patch 8.1.0743: giving error messages is not flexible Bram Moolenaar <Bram@vim.org> parents: 15265 diff changeset	1591 semsg(_("E867: (NFA) Unknown operator '\\%%%c'"),
4571 b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	1592 no_Magic(c));
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1593 return FAIL;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1594 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1595 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1596
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1597 case Magic('['):
4517 9a2183bd8295 updated for version 7.3.1006 Bram Moolenaar <bram@vim.org> parents: 4515 diff changeset	1598 collection:
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1599 /*
4781 c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	1600 * [abc] uses NFA_START_COLL - NFA_END_COLL
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	1601 * [^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	1602 * 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	1603 * NFA_CONCAT to bind them together.
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	1604 * Besides normal characters there can be:
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	1605 * - character classes NFA_CLASS_*
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	1606 * - ranges, two characters followed by NFA_RANGE.
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1607 */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1608
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1609 p = regparse;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1610 endp = skip_anyof(p);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1611 if (*endp == ']')
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1612 {
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 * 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	1615 * 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	1616 * and perform the necessary substitutions in the NFA.
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1617 */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1618 result = nfa_recognize_char_class(regparse, endp,
5296 3e9107b86b68 updated for version 7.4.001 Bram Moolenaar <bram@vim.org> parents: 5255 diff changeset	1619 extra == NFA_ADD_NL);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1620 if (result != FAIL)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1621 {
5296 3e9107b86b68 updated for version 7.4.001 Bram Moolenaar <bram@vim.org> parents: 5255 diff changeset	1622 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	1623 {
5296 3e9107b86b68 updated for version 7.4.001 Bram Moolenaar <bram@vim.org> parents: 5255 diff changeset	1624 EMIT(result - NFA_ADD_NL);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1625 EMIT(NFA_NEWL);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1626 EMIT(NFA_OR);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1627 }
5296 3e9107b86b68 updated for version 7.4.001 Bram Moolenaar <bram@vim.org> parents: 5255 diff changeset	1628 else
3e9107b86b68 updated for version 7.4.001 Bram Moolenaar <bram@vim.org> parents: 5255 diff changeset	1629 EMIT(result);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1630 regparse = endp;
11127 506f5d8b7d8b patch 8.0.0451: some macros are in lower case Christian Brabandt <cb@256bit.org> parents: 10551 diff changeset	1631 MB_PTR_ADV(regparse);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1632 return OK;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1633 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1634 /*
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1635 * Failed to recognize a character class. Use the simple
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1636 * 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	1637 */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1638 startc = endc = oldstartc = -1;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1639 negated = FALSE;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1640 if (regparse == '^') / negated range */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1641 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1642 negated = TRUE;
11127 506f5d8b7d8b patch 8.0.0451: some macros are in lower case Christian Brabandt <cb@256bit.org> parents: 10551 diff changeset	1643 MB_PTR_ADV(regparse);
4781 c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	1644 EMIT(NFA_START_NEG_COLL);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1645 }
4781 c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	1646 else
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	1647 EMIT(NFA_START_COLL);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1648 if (*regparse == '-')
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1649 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1650 startc = '-';
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1651 EMIT(startc);
4781 c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	1652 EMIT(NFA_CONCAT);
11127 506f5d8b7d8b patch 8.0.0451: some macros are in lower case Christian Brabandt <cb@256bit.org> parents: 10551 diff changeset	1653 MB_PTR_ADV(regparse);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1654 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1655 /* Emit the OR branches for each character in the [] */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1656 emit_range = FALSE;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1657 while (regparse < endp)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1658 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1659 oldstartc = startc;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1660 startc = -1;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1661 got_coll_char = FALSE;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1662 if (*regparse == '[')
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1663 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1664 /* Check for [: :], [= =], [. .] */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1665 equiclass = collclass = 0;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1666 charclass = get_char_class(&regparse);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1667 if (charclass == CLASS_NONE)
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 equiclass = get_equi_class(&regparse);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1670 if (equiclass == 0)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1671 collclass = get_coll_element(&regparse);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1672 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1673
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1674 /* Character class like [:alpha:] */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1675 if (charclass != CLASS_NONE)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1676 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1677 switch (charclass)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1678 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1679 case CLASS_ALNUM:
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1680 EMIT(NFA_CLASS_ALNUM);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1681 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1682 case CLASS_ALPHA:
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1683 EMIT(NFA_CLASS_ALPHA);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1684 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1685 case CLASS_BLANK:
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1686 EMIT(NFA_CLASS_BLANK);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1687 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1688 case CLASS_CNTRL:
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1689 EMIT(NFA_CLASS_CNTRL);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1690 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1691 case CLASS_DIGIT:
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1692 EMIT(NFA_CLASS_DIGIT);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1693 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1694 case CLASS_GRAPH:
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1695 EMIT(NFA_CLASS_GRAPH);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1696 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1697 case CLASS_LOWER:
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1698 EMIT(NFA_CLASS_LOWER);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1699 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1700 case CLASS_PRINT:
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1701 EMIT(NFA_CLASS_PRINT);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1702 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1703 case CLASS_PUNCT:
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1704 EMIT(NFA_CLASS_PUNCT);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1705 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1706 case CLASS_SPACE:
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1707 EMIT(NFA_CLASS_SPACE);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1708 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1709 case CLASS_UPPER:
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1710 EMIT(NFA_CLASS_UPPER);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1711 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1712 case CLASS_XDIGIT:
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1713 EMIT(NFA_CLASS_XDIGIT);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1714 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1715 case CLASS_TAB:
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1716 EMIT(NFA_CLASS_TAB);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1717 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1718 case CLASS_RETURN:
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1719 EMIT(NFA_CLASS_RETURN);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1720 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1721 case CLASS_BACKSPACE:
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1722 EMIT(NFA_CLASS_BACKSPACE);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1723 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1724 case CLASS_ESCAPE:
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1725 EMIT(NFA_CLASS_ESCAPE);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1726 break;
15709 2e2f07561f4b patch 8.1.0862: no verbose version of character classes Bram Moolenaar <Bram@vim.org> parents: 15603 diff changeset	1727 case CLASS_IDENT:
2e2f07561f4b patch 8.1.0862: no verbose version of character classes Bram Moolenaar <Bram@vim.org> parents: 15603 diff changeset	1728 EMIT(NFA_CLASS_IDENT);
2e2f07561f4b patch 8.1.0862: no verbose version of character classes Bram Moolenaar <Bram@vim.org> parents: 15603 diff changeset	1729 break;
2e2f07561f4b patch 8.1.0862: no verbose version of character classes Bram Moolenaar <Bram@vim.org> parents: 15603 diff changeset	1730 case CLASS_KEYWORD:
2e2f07561f4b patch 8.1.0862: no verbose version of character classes Bram Moolenaar <Bram@vim.org> parents: 15603 diff changeset	1731 EMIT(NFA_CLASS_KEYWORD);
2e2f07561f4b patch 8.1.0862: no verbose version of character classes Bram Moolenaar <Bram@vim.org> parents: 15603 diff changeset	1732 break;
2e2f07561f4b patch 8.1.0862: no verbose version of character classes Bram Moolenaar <Bram@vim.org> parents: 15603 diff changeset	1733 case CLASS_FNAME:
2e2f07561f4b patch 8.1.0862: no verbose version of character classes Bram Moolenaar <Bram@vim.org> parents: 15603 diff changeset	1734 EMIT(NFA_CLASS_FNAME);
2e2f07561f4b patch 8.1.0862: no verbose version of character classes Bram Moolenaar <Bram@vim.org> parents: 15603 diff changeset	1735 break;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1736 }
4781 c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	1737 EMIT(NFA_CONCAT);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1738 continue;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1739 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1740 /* Try equivalence class [=a=] and the like */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1741 if (equiclass != 0)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1742 {
4781 c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	1743 result = nfa_emit_equi_class(equiclass);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1744 if (result == FAIL)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1745 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1746 /* should never happen */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1747 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	1748 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1749 continue;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1750 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1751 /* Try collating class like [. .] */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1752 if (collclass != 0)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1753 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1754 startc = collclass; /* allow [.a.]-x as a range */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1755 /* Will emit the proper atom at the end of the
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1756 * while loop. */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1757 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1758 }
4677 c1622ff9ed8d updated for version 7.3.1086 Bram Moolenaar <bram@vim.org> parents: 4675 diff changeset	1759 /* Try a range like 'a-x' or '\t-z'. Also allows '-' as a
c1622ff9ed8d updated for version 7.3.1086 Bram Moolenaar <bram@vim.org> parents: 4675 diff changeset	1760 * start character. */
c1622ff9ed8d updated for version 7.3.1086 Bram Moolenaar <bram@vim.org> parents: 4675 diff changeset	1761 if (*regparse == '-' && oldstartc != -1)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1762 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1763 emit_range = TRUE;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1764 startc = oldstartc;
11127 506f5d8b7d8b patch 8.0.0451: some macros are in lower case Christian Brabandt <cb@256bit.org> parents: 10551 diff changeset	1765 MB_PTR_ADV(regparse);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1766 continue; /* reading the end of the range */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1767 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1768
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1769 /* Now handle simple and escaped characters.
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1770 * Only "\]", "\^", "\]" and "\\" are special in Vi. Vim
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1771 * accepts "\t", "\e", etc., but only when the 'l' flag in
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1772 * 'cpoptions' is not included.
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1773 * Posix doesn't recognize backslash at all.
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1774 */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1775 if (*regparse == '\\'
4744 a62695305e03 updated for version 7.3.1119 Bram Moolenaar <bram@vim.org> parents: 4742 diff changeset	1776 && !reg_cpo_bsl
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1777 && regparse + 1 <= endp
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1778 && (vim_strchr(REGEXP_INRANGE, regparse[1]) != NULL
4744 a62695305e03 updated for version 7.3.1119 Bram Moolenaar <bram@vim.org> parents: 4742 diff changeset	1779 \|\| (!reg_cpo_lit
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1780 && vim_strchr(REGEXP_ABBR, regparse[1])
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1781 != NULL)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1782 )
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 {
11127 506f5d8b7d8b patch 8.0.0451: some macros are in lower case Christian Brabandt <cb@256bit.org> parents: 10551 diff changeset	1785 MB_PTR_ADV(regparse);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1786
4507 9dbbddb2ed10 updated for version 7.3.1001 Bram Moolenaar <bram@vim.org> parents: 4503 diff changeset	1787 if (*regparse == 'n')
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1788 startc = reg_string ? NL : NFA_NEWL;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1789 else
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1790 if (*regparse == 'd'
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1791 \|\| *regparse == 'o'
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1792 \|\| *regparse == 'x'
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1793 \|\| *regparse == 'u'
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1794 \|\| *regparse == 'U'
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1795 )
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1796 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1797 /* TODO(RE) This needs more testing */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1798 startc = coll_get_char();
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1799 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	1800 MB_PTR_BACK(old_regparse, regparse);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1801 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1802 else
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 /* \r,\t,\e,\b */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1805 startc = backslash_trans(*regparse);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1806 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1807 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1808
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1809 /* Normal printable char */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1810 if (startc == -1)
4677 c1622ff9ed8d updated for version 7.3.1086 Bram Moolenaar <bram@vim.org> parents: 4675 diff changeset	1811 startc = PTR2CHAR(regparse);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1812
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1813 /* Previous char was '-', so this char is end of range. */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1814 if (emit_range)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1815 {
4677 c1622ff9ed8d updated for version 7.3.1086 Bram Moolenaar <bram@vim.org> parents: 4675 diff changeset	1816 endc = startc;
c1622ff9ed8d updated for version 7.3.1086 Bram Moolenaar <bram@vim.org> parents: 4675 diff changeset	1817 startc = oldstartc;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1818 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	1819 EMSG_RET_FAIL(_(e_reverse_range));
4781 c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	1820
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	1821 if (endc > startc + 2)
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	1822 {
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	1823 /* Emit a range instead of the sequence of
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	1824 * individual characters. */
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	1825 if (startc == 0)
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	1826 /* \x00 is translated to \x0a, start at \x01. */
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	1827 EMIT(1);
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	1828 else
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	1829 --post_ptr; /* remove NFA_CONCAT */
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	1830 EMIT(endc);
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	1831 EMIT(NFA_RANGE);
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	1832 EMIT(NFA_CONCAT);
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	1833 }
15603 639b8318472c patch 8.1.0809: too many #ifdefs Bram Moolenaar <Bram@vim.org> parents: 15490 diff changeset	1834 else if (has_mbyte && ((*mb_char2len)(startc) > 1
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1835 \|\| (*mb_char2len)(endc) > 1))
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1836 {
4781 c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	1837 /* Emit the characters in the range.
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	1838 * "startc" was already emitted, so skip it.
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	1839 * */
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1840 for (c = startc + 1; c <= endc; c++)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1841 {
4527 55bcaa1d2749 updated for version 7.3.1011 Bram Moolenaar <bram@vim.org> parents: 4525 diff changeset	1842 EMIT(c);
4781 c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	1843 EMIT(NFA_CONCAT);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1844 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1845 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1846 else
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1847 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1848 #ifdef EBCDIC
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1849 int alpha_only = FALSE;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1850
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1851 /* for alphabetical range skip the gaps
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1852 * 'i'-'j', 'r'-'s', 'I'-'J' and 'R'-'S'. */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1853 if (isalpha(startc) && isalpha(endc))
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1854 alpha_only = TRUE;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1855 #endif
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1856 /* Emit the range. "startc" was already emitted, so
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1857 * skip it. */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1858 for (c = startc + 1; c <= endc; c++)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1859 #ifdef EBCDIC
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1860 if (!alpha_only \|\| isalpha(startc))
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1861 #endif
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1862 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1863 EMIT(c);
4781 c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	1864 EMIT(NFA_CONCAT);
4444 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 }
4677 c1622ff9ed8d updated for version 7.3.1086 Bram Moolenaar <bram@vim.org> parents: 4675 diff changeset	1867 emit_range = FALSE;
c1622ff9ed8d updated for version 7.3.1086 Bram Moolenaar <bram@vim.org> parents: 4675 diff changeset	1868 startc = -1;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1869 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1870 else
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1871 {
4781 c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	1872 /* This char (startc) is not part of a range. Just
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1873 * emit it.
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1874 * Normally, simply emit startc. But if we get char
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1875 * code=0 from a collating char, then replace it with
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1876 * 0x0a.
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1877 * This is needed to completely mimic the behaviour of
4781 c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	1878 * the backtracking engine. */
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	1879 if (startc == NFA_NEWL)
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	1880 {
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	1881 /* Line break can't be matched as part of the
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	1882 * collection, add an OR below. But not for negated
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	1883 * range. */
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	1884 if (!negated)
5296 3e9107b86b68 updated for version 7.4.001 Bram Moolenaar <bram@vim.org> parents: 5255 diff changeset	1885 extra = NFA_ADD_NL;
4781 c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	1886 }
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1887 else
4781 c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	1888 {
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	1889 if (got_coll_char == TRUE && startc == 0)
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	1890 EMIT(0x0a);
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	1891 else
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	1892 EMIT(startc);
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	1893 EMIT(NFA_CONCAT);
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	1894 }
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1895 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1896
11127 506f5d8b7d8b patch 8.0.0451: some macros are in lower case Christian Brabandt <cb@256bit.org> parents: 10551 diff changeset	1897 MB_PTR_ADV(regparse);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1898 } /* while (p < endp) */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1899
11127 506f5d8b7d8b patch 8.0.0451: some macros are in lower case Christian Brabandt <cb@256bit.org> parents: 10551 diff changeset	1900 MB_PTR_BACK(old_regparse, regparse);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1901 if (regparse == '-') / if last, '-' is just a char */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1902 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1903 EMIT('-');
4781 c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	1904 EMIT(NFA_CONCAT);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1905 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1906
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1907 /* skip the trailing ] */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1908 regparse = endp;
11127 506f5d8b7d8b patch 8.0.0451: some macros are in lower case Christian Brabandt <cb@256bit.org> parents: 10551 diff changeset	1909 MB_PTR_ADV(regparse);
4781 c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	1910
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	1911 /* Mark end of the collection. */
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1912 if (negated == TRUE)
4781 c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	1913 EMIT(NFA_END_NEG_COLL);
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	1914 else
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	1915 EMIT(NFA_END_COLL);
4615 5679b8ddd8cc updated for version 7.3.1055 Bram Moolenaar <bram@vim.org> parents: 4583 diff changeset	1916
5679b8ddd8cc updated for version 7.3.1055 Bram Moolenaar <bram@vim.org> parents: 4583 diff changeset	1917 /* \_[] 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	1918 if (extra == NFA_ADD_NL)
4615 5679b8ddd8cc updated for version 7.3.1055 Bram Moolenaar <bram@vim.org> parents: 4583 diff changeset	1919 {
5679b8ddd8cc updated for version 7.3.1055 Bram Moolenaar <bram@vim.org> parents: 4583 diff changeset	1920 EMIT(reg_string ? NL : NFA_NEWL);
5679b8ddd8cc updated for version 7.3.1055 Bram Moolenaar <bram@vim.org> parents: 4583 diff changeset	1921 EMIT(NFA_OR);
5679b8ddd8cc updated for version 7.3.1055 Bram Moolenaar <bram@vim.org> parents: 4583 diff changeset	1922 }
5679b8ddd8cc updated for version 7.3.1055 Bram Moolenaar <bram@vim.org> parents: 4583 diff changeset	1923
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1924 return OK;
4529 432a6b8c7d93 updated for version 7.3.1012 Bram Moolenaar <bram@vim.org> parents: 4527 diff changeset	1925 } /* if exists closing ] */
432a6b8c7d93 updated for version 7.3.1012 Bram Moolenaar <bram@vim.org> parents: 4527 diff changeset	1926
432a6b8c7d93 updated for version 7.3.1012 Bram Moolenaar <bram@vim.org> parents: 4527 diff changeset	1927 if (reg_strict)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1928 EMSG_RET_FAIL(_(e_missingbracket));
4529 432a6b8c7d93 updated for version 7.3.1012 Bram Moolenaar <bram@vim.org> parents: 4527 diff changeset	1929 /* FALLTHROUGH */
432a6b8c7d93 updated for version 7.3.1012 Bram Moolenaar <bram@vim.org> parents: 4527 diff changeset	1930
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1931 default:
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1932 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1933 int plen;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1934
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1935 nfa_do_multibyte:
4543 08ac46980953 updated for version 7.3.1019 Bram Moolenaar <bram@vim.org> parents: 4541 diff changeset	1936 /* plen is length of current char with composing chars */
08ac46980953 updated for version 7.3.1019 Bram Moolenaar <bram@vim.org> parents: 4541 diff changeset	1937 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	1938 != (plen = utfc_ptr2len(old_regparse))
4543 08ac46980953 updated for version 7.3.1019 Bram Moolenaar <bram@vim.org> parents: 4541 diff changeset	1939 \|\| utf_iscomposing(c)))
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1940 {
4549 849180347ac3 updated for version 7.3.1022 Bram Moolenaar <bram@vim.org> parents: 4547 diff changeset	1941 int i = 0;
849180347ac3 updated for version 7.3.1022 Bram Moolenaar <bram@vim.org> parents: 4547 diff changeset	1942
4535 45f97c349537 updated for version 7.3.1015 Bram Moolenaar <bram@vim.org> parents: 4533 diff changeset	1943 /* A base character plus composing characters, or just one
45f97c349537 updated for version 7.3.1015 Bram Moolenaar <bram@vim.org> parents: 4533 diff changeset	1944 * or more composing characters.
4527 55bcaa1d2749 updated for version 7.3.1011 Bram Moolenaar <bram@vim.org> parents: 4525 diff changeset	1945 * This requires creating a separate atom as if enclosing
55bcaa1d2749 updated for version 7.3.1011 Bram Moolenaar <bram@vim.org> parents: 4525 diff changeset	1946 * the characters in (), where NFA_COMPOSING is the ( and
55bcaa1d2749 updated for version 7.3.1011 Bram Moolenaar <bram@vim.org> parents: 4525 diff changeset	1947 * NFA_END_COMPOSING is the ). Note that right now we are
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1948 * building the postfix form, not the NFA itself;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1949 * a composing char could be: a, b, c, NFA_COMPOSING
4527 55bcaa1d2749 updated for version 7.3.1011 Bram Moolenaar <bram@vim.org> parents: 4525 diff changeset	1950 * where 'b' and 'c' are chars with codes > 256. */
55bcaa1d2749 updated for version 7.3.1011 Bram Moolenaar <bram@vim.org> parents: 4525 diff changeset	1951 for (;;)
55bcaa1d2749 updated for version 7.3.1011 Bram Moolenaar <bram@vim.org> parents: 4525 diff changeset	1952 {
55bcaa1d2749 updated for version 7.3.1011 Bram Moolenaar <bram@vim.org> parents: 4525 diff changeset	1953 EMIT(c);
55bcaa1d2749 updated for version 7.3.1011 Bram Moolenaar <bram@vim.org> parents: 4525 diff changeset	1954 if (i > 0)
55bcaa1d2749 updated for version 7.3.1011 Bram Moolenaar <bram@vim.org> parents: 4525 diff changeset	1955 EMIT(NFA_CONCAT);
4529 432a6b8c7d93 updated for version 7.3.1012 Bram Moolenaar <bram@vim.org> parents: 4527 diff changeset	1956 if ((i += utf_char2len(c)) >= plen)
4527 55bcaa1d2749 updated for version 7.3.1011 Bram Moolenaar <bram@vim.org> parents: 4525 diff changeset	1957 break;
55bcaa1d2749 updated for version 7.3.1011 Bram Moolenaar <bram@vim.org> parents: 4525 diff changeset	1958 c = utf_ptr2char(old_regparse + i);
55bcaa1d2749 updated for version 7.3.1011 Bram Moolenaar <bram@vim.org> parents: 4525 diff changeset	1959 }
55bcaa1d2749 updated for version 7.3.1011 Bram Moolenaar <bram@vim.org> parents: 4525 diff changeset	1960 EMIT(NFA_COMPOSING);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1961 regparse = old_regparse + plen;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1962 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1963 else
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1964 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1965 c = no_Magic(c);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1966 EMIT(c);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1967 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1968 return OK;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1969 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1970 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1971
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1972 return OK;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1973 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1974
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1975 /*
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1976 * Parse something followed by possible [*+=].
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1977 *
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1978 * 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	1979 * 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	1980 * characters: "", "a", "aa", etc.
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1981 *
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1982 * piece ::= atom
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1983 * or atom multi
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 static int
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	1986 nfa_regpiece(void)
4444 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 int i;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1989 int op;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1990 int ret;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1991 long minval, maxval;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1992 int greedy = TRUE; /* Braces are prefixed with '-' ? */
4679 4d92b873acef updated for version 7.3.1087 Bram Moolenaar <bram@vim.org> parents: 4677 diff changeset	1993 parse_state_T old_state;
4d92b873acef updated for version 7.3.1087 Bram Moolenaar <bram@vim.org> parents: 4677 diff changeset	1994 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	1995 long c2;
4651 f10f63aaec5c updated for version 7.3.1073 Bram Moolenaar <bram@vim.org> parents: 4649 diff changeset	1996 int old_post_pos;
f10f63aaec5c updated for version 7.3.1073 Bram Moolenaar <bram@vim.org> parents: 4649 diff changeset	1997 int my_post_start;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1998 int quest;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	1999
4679 4d92b873acef updated for version 7.3.1087 Bram Moolenaar <bram@vim.org> parents: 4677 diff changeset	2000 /* Save the current parse state, so that we can use it if <atom>{m,n} is
4d92b873acef updated for version 7.3.1087 Bram Moolenaar <bram@vim.org> parents: 4677 diff changeset	2001 * next. */
4d92b873acef updated for version 7.3.1087 Bram Moolenaar <bram@vim.org> parents: 4677 diff changeset	2002 save_parse_state(&old_state);
4d92b873acef updated for version 7.3.1087 Bram Moolenaar <bram@vim.org> parents: 4677 diff changeset	2003
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2004 /* 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	2005 my_post_start = (int)(post_ptr - post_start);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2006
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2007 ret = nfa_regatom();
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2008 if (ret == FAIL)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2009 return FAIL; /* cascaded error */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2010
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2011 op = peekchr();
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2012 if (re_multi_type(op) == NOT_MULTI)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2013 return OK;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2014
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2015 skipchr();
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2016 switch (op)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2017 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2018 case Magic('*'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2019 EMIT(NFA_STAR);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2020 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2021
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2022 case Magic('+'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2023 /*
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2024 * 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	2025 * 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	2026 * 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	2027 * 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	2028 * string.
5255 3c6e2b89875f updated for version 7.4b.004 Bram Moolenaar <bram@vim.org> parents: 5253 diff changeset	2029 * The submatch will be the empty string.
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2030 *
4673 05d57d7c2d55 updated for version 7.3.1084 Bram Moolenaar <bram@vim.org> parents: 4671 diff changeset	2031 * 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	2032 * <atom>+ with <atom><atom>*
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2033 */
4679 4d92b873acef updated for version 7.3.1087 Bram Moolenaar <bram@vim.org> parents: 4677 diff changeset	2034 restore_parse_state(&old_state);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2035 curchr = -1;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2036 if (nfa_regatom() == FAIL)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2037 return FAIL;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2038 EMIT(NFA_STAR);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2039 EMIT(NFA_CONCAT);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2040 skipchr(); /* skip the \+ */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2041 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2042
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2043 case Magic('@'):
4682 2f51ee8825db updated for version 7.3.1088 Bram Moolenaar <bram@vim.org> parents: 4679 diff changeset	2044 c2 = getdecchrs();
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2045 op = no_Magic(getchr());
4682 2f51ee8825db updated for version 7.3.1088 Bram Moolenaar <bram@vim.org> parents: 4679 diff changeset	2046 i = 0;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2047 switch(op)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2048 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2049 case '=':
4682 2f51ee8825db updated for version 7.3.1088 Bram Moolenaar <bram@vim.org> parents: 4679 diff changeset	2050 /* \@= */
2f51ee8825db updated for version 7.3.1088 Bram Moolenaar <bram@vim.org> parents: 4679 diff changeset	2051 i = NFA_PREV_ATOM_NO_WIDTH;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2052 break;
4661 0dce3d812e7a updated for version 7.3.1078 Bram Moolenaar <bram@vim.org> parents: 4657 diff changeset	2053 case '!':
4682 2f51ee8825db updated for version 7.3.1088 Bram Moolenaar <bram@vim.org> parents: 4679 diff changeset	2054 /* \@! */
2f51ee8825db updated for version 7.3.1088 Bram Moolenaar <bram@vim.org> parents: 4679 diff changeset	2055 i = NFA_PREV_ATOM_NO_WIDTH_NEG;
4661 0dce3d812e7a updated for version 7.3.1078 Bram Moolenaar <bram@vim.org> parents: 4657 diff changeset	2056 break;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2057 case '<':
4682 2f51ee8825db updated for version 7.3.1088 Bram Moolenaar <bram@vim.org> parents: 4679 diff changeset	2058 op = no_Magic(getchr());
2f51ee8825db updated for version 7.3.1088 Bram Moolenaar <bram@vim.org> parents: 4679 diff changeset	2059 if (op == '=')
2f51ee8825db updated for version 7.3.1088 Bram Moolenaar <bram@vim.org> parents: 4679 diff changeset	2060 /* \@<= */
2f51ee8825db updated for version 7.3.1088 Bram Moolenaar <bram@vim.org> parents: 4679 diff changeset	2061 i = NFA_PREV_ATOM_JUST_BEFORE;
2f51ee8825db updated for version 7.3.1088 Bram Moolenaar <bram@vim.org> parents: 4679 diff changeset	2062 else if (op == '!')
2f51ee8825db updated for version 7.3.1088 Bram Moolenaar <bram@vim.org> parents: 4679 diff changeset	2063 /* \@<! */
2f51ee8825db updated for version 7.3.1088 Bram Moolenaar <bram@vim.org> parents: 4679 diff changeset	2064 i = NFA_PREV_ATOM_JUST_BEFORE_NEG;
2f51ee8825db updated for version 7.3.1088 Bram Moolenaar <bram@vim.org> parents: 4679 diff changeset	2065 break;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2066 case '>':
4750 7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	2067 /* \@> */
7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	2068 i = NFA_PREV_ATOM_LIKE_PATTERN;
7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	2069 break;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2070 }
4682 2f51ee8825db updated for version 7.3.1088 Bram Moolenaar <bram@vim.org> parents: 4679 diff changeset	2071 if (i == 0)
2f51ee8825db updated for version 7.3.1088 Bram Moolenaar <bram@vim.org> parents: 4679 diff changeset	2072 {
15470 55ccc2d353bd patch 8.1.0743: giving error messages is not flexible Bram Moolenaar <Bram@vim.org> parents: 15265 diff changeset	2073 semsg(_("E869: (NFA) Unknown operator '\\@%c'"), op);
4682 2f51ee8825db updated for version 7.3.1088 Bram Moolenaar <bram@vim.org> parents: 4679 diff changeset	2074 return FAIL;
2f51ee8825db updated for version 7.3.1088 Bram Moolenaar <bram@vim.org> parents: 4679 diff changeset	2075 }
2f51ee8825db updated for version 7.3.1088 Bram Moolenaar <bram@vim.org> parents: 4679 diff changeset	2076 EMIT(i);
2f51ee8825db updated for version 7.3.1088 Bram Moolenaar <bram@vim.org> parents: 4679 diff changeset	2077 if (i == NFA_PREV_ATOM_JUST_BEFORE
2f51ee8825db updated for version 7.3.1088 Bram Moolenaar <bram@vim.org> parents: 4679 diff changeset	2078 \|\| i == NFA_PREV_ATOM_JUST_BEFORE_NEG)
2f51ee8825db updated for version 7.3.1088 Bram Moolenaar <bram@vim.org> parents: 4679 diff changeset	2079 EMIT(c2);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2080 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2081
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2082 case Magic('?'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2083 case Magic('='):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2084 EMIT(NFA_QUEST);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2085 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2086
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2087 case Magic('{'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2088 /* a{2,5} will expand to 'aaa?a?a?'
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2089 * a{-1,3} will expand to 'aa??a??', where ?? is the nongreedy
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2090 * version of '?'
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2091 * \v(ab){2,3} will expand to '(ab)(ab)(ab)?', where all the
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2092 * parenthesis have the same id
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2093 */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2094
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2095 greedy = TRUE;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2096 c2 = peekchr();
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2097 if (c2 == '-' \|\| c2 == Magic('-'))
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2098 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2099 skipchr();
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2100 greedy = FALSE;
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 if (!read_limits(&minval, &maxval))
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2103 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	2104
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2105 /* <atom>{0,inf}, <atom>{0,} and <atom>{} are equivalent to
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2106 * <atom>* */
4675 811a4c9b51d8 updated for version 7.3.1085 Bram Moolenaar <bram@vim.org> parents: 4673 diff changeset	2107 if (minval == 0 && maxval == MAX_LIMIT)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2108 {
6533 bdc8e71633e4 updated for version 7.4.593 Bram Moolenaar <bram@vim.org> parents: 6510 diff changeset	2109 if (greedy) /* { { (match the braces) */
4675 811a4c9b51d8 updated for version 7.3.1085 Bram Moolenaar <bram@vim.org> parents: 4673 diff changeset	2110 /* \{}, \{0,} */
811a4c9b51d8 updated for version 7.3.1085 Bram Moolenaar <bram@vim.org> parents: 4673 diff changeset	2111 EMIT(NFA_STAR);
6533 bdc8e71633e4 updated for version 7.4.593 Bram Moolenaar <bram@vim.org> parents: 6510 diff changeset	2112 else /* { { (match the braces) */
4675 811a4c9b51d8 updated for version 7.3.1085 Bram Moolenaar <bram@vim.org> parents: 4673 diff changeset	2113 /* \{-}, \{-0,} */
811a4c9b51d8 updated for version 7.3.1085 Bram Moolenaar <bram@vim.org> parents: 4673 diff changeset	2114 EMIT(NFA_STAR_NONGREEDY);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2115 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2116 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2117
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2118 /* Special case: x{0} or x{-0} */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2119 if (maxval == 0)
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 /* 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	2122 post_ptr = post_start + my_post_start;
5370 90e2f0729a0d updated for version 7.4.036 Bram Moolenaar <bram@vim.org> parents: 5360 diff changeset	2123 /* NFA_EMPTY is 0-length and works everywhere */
90e2f0729a0d updated for version 7.4.036 Bram Moolenaar <bram@vim.org> parents: 5360 diff changeset	2124 EMIT(NFA_EMPTY);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2125 return OK;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2126 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2127
6533 bdc8e71633e4 updated for version 7.4.593 Bram Moolenaar <bram@vim.org> parents: 6510 diff changeset	2128 /* The engine is very inefficient (uses too many states) when the
6594 3cca9b0cc1a0 updated for version 7.4.623 Bram Moolenaar <bram@vim.org> parents: 6592 diff changeset	2129 * maximum is much larger than the minimum and when the maximum is
3cca9b0cc1a0 updated for version 7.4.623 Bram Moolenaar <bram@vim.org> parents: 6592 diff changeset	2130 * large. Bail out if we can use the other engine. */
3cca9b0cc1a0 updated for version 7.4.623 Bram Moolenaar <bram@vim.org> parents: 6592 diff changeset	2131 if ((nfa_re_flags & RE_AUTO)
10551 c3cc8b2aab6a patch 8.0.0165: ubsan warns for integer overflow Christian Brabandt <cb@256bit.org> parents: 10540 diff changeset	2132 && (maxval > 500 \|\| maxval > minval + 200))
6533 bdc8e71633e4 updated for version 7.4.593 Bram Moolenaar <bram@vim.org> parents: 6510 diff changeset	2133 return FAIL;
bdc8e71633e4 updated for version 7.4.593 Bram Moolenaar <bram@vim.org> parents: 6510 diff changeset	2134
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2135 /* Ignore previous call to nfa_regatom() */
4651 f10f63aaec5c updated for version 7.3.1073 Bram Moolenaar <bram@vim.org> parents: 4649 diff changeset	2136 post_ptr = post_start + my_post_start;
4679 4d92b873acef updated for version 7.3.1087 Bram Moolenaar <bram@vim.org> parents: 4677 diff changeset	2137 /* Save parse state after the repeated atom and the \{} */
4d92b873acef updated for version 7.3.1087 Bram Moolenaar <bram@vim.org> parents: 4677 diff changeset	2138 save_parse_state(&new_state);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2139
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2140 quest = (greedy == TRUE? NFA_QUEST : NFA_QUEST_NONGREEDY);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2141 for (i = 0; i < maxval; i++)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2142 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2143 /* Goto beginning of the repeated atom */
4679 4d92b873acef updated for version 7.3.1087 Bram Moolenaar <bram@vim.org> parents: 4677 diff changeset	2144 restore_parse_state(&old_state);
4651 f10f63aaec5c updated for version 7.3.1073 Bram Moolenaar <bram@vim.org> parents: 4649 diff changeset	2145 old_post_pos = (int)(post_ptr - post_start);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2146 if (nfa_regatom() == FAIL)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2147 return FAIL;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2148 /* after "minval" times, atoms are optional */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2149 if (i + 1 > minval)
4673 05d57d7c2d55 updated for version 7.3.1084 Bram Moolenaar <bram@vim.org> parents: 4671 diff changeset	2150 {
05d57d7c2d55 updated for version 7.3.1084 Bram Moolenaar <bram@vim.org> parents: 4671 diff changeset	2151 if (maxval == MAX_LIMIT)
4675 811a4c9b51d8 updated for version 7.3.1085 Bram Moolenaar <bram@vim.org> parents: 4673 diff changeset	2152 {
811a4c9b51d8 updated for version 7.3.1085 Bram Moolenaar <bram@vim.org> parents: 4673 diff changeset	2153 if (greedy)
811a4c9b51d8 updated for version 7.3.1085 Bram Moolenaar <bram@vim.org> parents: 4673 diff changeset	2154 EMIT(NFA_STAR);
811a4c9b51d8 updated for version 7.3.1085 Bram Moolenaar <bram@vim.org> parents: 4673 diff changeset	2155 else
811a4c9b51d8 updated for version 7.3.1085 Bram Moolenaar <bram@vim.org> parents: 4673 diff changeset	2156 EMIT(NFA_STAR_NONGREEDY);
811a4c9b51d8 updated for version 7.3.1085 Bram Moolenaar <bram@vim.org> parents: 4673 diff changeset	2157 }
4673 05d57d7c2d55 updated for version 7.3.1084 Bram Moolenaar <bram@vim.org> parents: 4671 diff changeset	2158 else
05d57d7c2d55 updated for version 7.3.1084 Bram Moolenaar <bram@vim.org> parents: 4671 diff changeset	2159 EMIT(quest);
05d57d7c2d55 updated for version 7.3.1084 Bram Moolenaar <bram@vim.org> parents: 4671 diff changeset	2160 }
4651 f10f63aaec5c updated for version 7.3.1073 Bram Moolenaar <bram@vim.org> parents: 4649 diff changeset	2161 if (old_post_pos != my_post_start)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2162 EMIT(NFA_CONCAT);
4673 05d57d7c2d55 updated for version 7.3.1084 Bram Moolenaar <bram@vim.org> parents: 4671 diff changeset	2163 if (i + 1 > minval && maxval == MAX_LIMIT)
05d57d7c2d55 updated for version 7.3.1084 Bram Moolenaar <bram@vim.org> parents: 4671 diff changeset	2164 break;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2165 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2166
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2167 /* 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	2168 restore_parse_state(&new_state);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2169 curchr = -1;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2170
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2171 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2172
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2173
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2174 default:
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2175 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2176 } /* end switch */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2177
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2178 if (re_multi_type(peekchr()) != NOT_MULTI)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2179 /* 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	2180 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	2181
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2182 return OK;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2183 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2184
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2185 /*
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2186 * 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	2187 * 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	2188 * "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	2189 *
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2190 * concat ::= piece
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2191 * or piece piece
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2192 * or piece piece piece
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2193 * etc.
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2194 */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2195 static int
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	2196 nfa_regconcat(void)
4444 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 int cont = TRUE;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2199 int first = TRUE;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2200
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2201 while (cont)
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 switch (peekchr())
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2204 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2205 case NUL:
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2206 case Magic('\|'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2207 case Magic('&'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2208 case Magic(')'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2209 cont = FALSE;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2210 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2211
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2212 case Magic('Z'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2213 regflags \|= RF_ICOMBINE;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2214 skipchr_keepstart();
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2215 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2216 case Magic('c'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2217 regflags \|= RF_ICASE;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2218 skipchr_keepstart();
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2219 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2220 case Magic('C'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2221 regflags \|= RF_NOICASE;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2222 skipchr_keepstart();
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2223 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2224 case Magic('v'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2225 reg_magic = MAGIC_ALL;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2226 skipchr_keepstart();
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2227 curchr = -1;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2228 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2229 case Magic('m'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2230 reg_magic = MAGIC_ON;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2231 skipchr_keepstart();
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2232 curchr = -1;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2233 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2234 case Magic('M'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2235 reg_magic = MAGIC_OFF;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2236 skipchr_keepstart();
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2237 curchr = -1;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2238 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2239 case Magic('V'):
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2240 reg_magic = MAGIC_NONE;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2241 skipchr_keepstart();
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2242 curchr = -1;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2243 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2244
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2245 default:
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2246 if (nfa_regpiece() == FAIL)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2247 return FAIL;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2248 if (first == FALSE)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2249 EMIT(NFA_CONCAT);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2250 else
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2251 first = FALSE;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2252 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2253 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2254 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2255
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2256 return OK;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2257 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2258
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2259 /*
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2260 * 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	2261 * 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	2262 * position. Examples:
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2263 * "foobeep\&..." matches "foo" in "foobeep".
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2264 * ".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	2265 *
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2266 * branch ::= concat
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2267 * or concat \& concat
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2268 * or concat \& concat \& concat
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2269 * etc.
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2270 */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2271 static int
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	2272 nfa_regbranch(void)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2273 {
4651 f10f63aaec5c updated for version 7.3.1073 Bram Moolenaar <bram@vim.org> parents: 4649 diff changeset	2274 int old_post_pos;
f10f63aaec5c updated for version 7.3.1073 Bram Moolenaar <bram@vim.org> parents: 4649 diff changeset	2275
f10f63aaec5c updated for version 7.3.1073 Bram Moolenaar <bram@vim.org> parents: 4649 diff changeset	2276 old_post_pos = (int)(post_ptr - post_start);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2277
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2278 /* First branch, possibly the only one */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2279 if (nfa_regconcat() == FAIL)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2280 return FAIL;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2281
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2282 /* 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	2283 while (peekchr() == Magic('&'))
4444 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 skipchr();
13043 307f2622826f patch 8.0.1397: pattern with & following nothing gives an error Christian Brabandt <cb@256bit.org> parents: 12752 diff changeset	2286 /* if concat is empty do emit a node */
307f2622826f patch 8.0.1397: pattern with & following nothing gives an error Christian Brabandt <cb@256bit.org> parents: 12752 diff changeset	2287 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	2288 EMIT(NFA_EMPTY);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2289 EMIT(NFA_NOPEN);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2290 EMIT(NFA_PREV_ATOM_NO_WIDTH);
4651 f10f63aaec5c updated for version 7.3.1073 Bram Moolenaar <bram@vim.org> parents: 4649 diff changeset	2291 old_post_pos = (int)(post_ptr - post_start);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2292 if (nfa_regconcat() == FAIL)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2293 return FAIL;
5370 90e2f0729a0d updated for version 7.4.036 Bram Moolenaar <bram@vim.org> parents: 5360 diff changeset	2294 /* 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	2295 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	2296 EMIT(NFA_EMPTY);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2297 EMIT(NFA_CONCAT);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2298 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2299
5370 90e2f0729a0d updated for version 7.4.036 Bram Moolenaar <bram@vim.org> parents: 5360 diff changeset	2300 /* 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	2301 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	2302 EMIT(NFA_EMPTY);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2303
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2304 return OK;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2305 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2306
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2307 /*
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2308 * 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	2309 * 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	2310 * "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	2311 * is used.
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2312 *
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2313 * pattern ::= branch
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2314 * or branch \\| branch
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2315 * or branch \\| branch \\| branch
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2316 * etc.
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2317 */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2318 static int
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	2319 nfa_reg(
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	2320 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	2321 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2322 int parno = 0;
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 if (paren == REG_PAREN)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2325 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2326 if (regnpar >= NSUBEXP) /* Too many `(' */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2327 EMSG_RET_FAIL(_("E872: (NFA regexp) Too many '('"));
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2328 parno = regnpar++;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2329 }
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2330 #ifdef FEAT_SYN_HL
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2331 else if (paren == REG_ZPAREN)
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2332 {
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2333 /* Make a ZOPEN node. */
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2334 if (regnzpar >= NSUBEXP)
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2335 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	2336 parno = regnzpar++;
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2337 }
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2338 #endif
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2339
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2340 if (nfa_regbranch() == FAIL)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2341 return FAIL; /* cascaded error */
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 while (peekchr() == Magic('\|'))
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2344 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2345 skipchr();
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2346 if (nfa_regbranch() == FAIL)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2347 return FAIL; /* cascaded error */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2348 EMIT(NFA_OR);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2349 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2350
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2351 /* Check for proper termination. */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2352 if (paren != REG_NOPAREN && getchr() != Magic(')'))
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2353 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2354 if (paren == REG_NPAREN)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2355 EMSG2_RET_FAIL(_(e_unmatchedpp), reg_magic == MAGIC_ALL);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2356 else
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2357 EMSG2_RET_FAIL(_(e_unmatchedp), reg_magic == MAGIC_ALL);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2358 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2359 else if (paren == REG_NOPAREN && peekchr() != NUL)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2360 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2361 if (peekchr() == Magic(')'))
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2362 EMSG2_RET_FAIL(_(e_unmatchedpar), reg_magic == MAGIC_ALL);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2363 else
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2364 EMSG_RET_FAIL(_("E873: (NFA regexp) proper termination error"));
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2365 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2366 /*
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2367 * 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	2368 * parentheses.
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 if (paren == REG_PAREN)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2371 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2372 had_endbrace[parno] = TRUE; /* have seen the close paren */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2373 EMIT(NFA_MOPEN + parno);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2374 }
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2375 #ifdef FEAT_SYN_HL
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2376 else if (paren == REG_ZPAREN)
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2377 EMIT(NFA_ZOPEN + parno);
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2378 #endif
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2379
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2380 return OK;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2381 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2382
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2383 #ifdef DEBUG
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2384 static char_u code[50];
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 static void
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	2387 nfa_set_code(int c)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2388 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2389 int addnl = FALSE;
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 if (c >= NFA_FIRST_NL && c <= NFA_LAST_NL)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2392 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2393 addnl = TRUE;
5296 3e9107b86b68 updated for version 7.4.001 Bram Moolenaar <bram@vim.org> parents: 5255 diff changeset	2394 c -= NFA_ADD_NL;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2395 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2396
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2397 STRCPY(code, "");
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2398 switch (c)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2399 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2400 case NFA_MATCH: STRCPY(code, "NFA_MATCH "); break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2401 case NFA_SPLIT: STRCPY(code, "NFA_SPLIT "); break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2402 case NFA_CONCAT: STRCPY(code, "NFA_CONCAT "); break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2403 case NFA_NEWL: STRCPY(code, "NFA_NEWL "); break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2404 case NFA_ZSTART: STRCPY(code, "NFA_ZSTART"); break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2405 case NFA_ZEND: STRCPY(code, "NFA_ZEND"); break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2406
4571 b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	2407 case NFA_BACKREF1: STRCPY(code, "NFA_BACKREF1"); break;
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	2408 case NFA_BACKREF2: STRCPY(code, "NFA_BACKREF2"); break;
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	2409 case NFA_BACKREF3: STRCPY(code, "NFA_BACKREF3"); break;
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	2410 case NFA_BACKREF4: STRCPY(code, "NFA_BACKREF4"); break;
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	2411 case NFA_BACKREF5: STRCPY(code, "NFA_BACKREF5"); break;
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	2412 case NFA_BACKREF6: STRCPY(code, "NFA_BACKREF6"); break;
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	2413 case NFA_BACKREF7: STRCPY(code, "NFA_BACKREF7"); break;
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	2414 case NFA_BACKREF8: STRCPY(code, "NFA_BACKREF8"); break;
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	2415 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	2416 #ifdef FEAT_SYN_HL
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2417 case NFA_ZREF1: STRCPY(code, "NFA_ZREF1"); break;
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2418 case NFA_ZREF2: STRCPY(code, "NFA_ZREF2"); break;
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2419 case NFA_ZREF3: STRCPY(code, "NFA_ZREF3"); break;
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2420 case NFA_ZREF4: STRCPY(code, "NFA_ZREF4"); break;
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2421 case NFA_ZREF5: STRCPY(code, "NFA_ZREF5"); break;
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2422 case NFA_ZREF6: STRCPY(code, "NFA_ZREF6"); break;
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2423 case NFA_ZREF7: STRCPY(code, "NFA_ZREF7"); break;
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2424 case NFA_ZREF8: STRCPY(code, "NFA_ZREF8"); break;
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2425 case NFA_ZREF9: STRCPY(code, "NFA_ZREF9"); break;
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2426 #endif
4571 b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	2427 case NFA_SKIP: STRCPY(code, "NFA_SKIP"); break;
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	2428
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2429 case NFA_PREV_ATOM_NO_WIDTH:
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2430 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	2431 case NFA_PREV_ATOM_NO_WIDTH_NEG:
321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	2432 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	2433 case NFA_PREV_ATOM_JUST_BEFORE:
2f51ee8825db updated for version 7.3.1088 Bram Moolenaar <bram@vim.org> parents: 4679 diff changeset	2434 STRCPY(code, "NFA_PREV_ATOM_JUST_BEFORE"); break;
2f51ee8825db updated for version 7.3.1088 Bram Moolenaar <bram@vim.org> parents: 4679 diff changeset	2435 case NFA_PREV_ATOM_JUST_BEFORE_NEG:
2f51ee8825db updated for version 7.3.1088 Bram Moolenaar <bram@vim.org> parents: 4679 diff changeset	2436 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	2437 case NFA_PREV_ATOM_LIKE_PATTERN:
7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	2438 STRCPY(code, "NFA_PREV_ATOM_LIKE_PATTERN"); break;
7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	2439
4657 93b7ed814bec updated for version 7.3.1076 Bram Moolenaar <bram@vim.org> parents: 4655 diff changeset	2440 case NFA_NOPEN: STRCPY(code, "NFA_NOPEN"); break;
93b7ed814bec updated for version 7.3.1076 Bram Moolenaar <bram@vim.org> parents: 4655 diff changeset	2441 case NFA_NCLOSE: STRCPY(code, "NFA_NCLOSE"); break;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2442 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	2443 case NFA_START_INVISIBLE_FIRST:
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	2444 STRCPY(code, "NFA_START_INVISIBLE_FIRST"); break;
4785 3b5a023a4543 updated for version 7.3.1139 Bram Moolenaar <bram@vim.org> parents: 4783 diff changeset	2445 case NFA_START_INVISIBLE_NEG:
3b5a023a4543 updated for version 7.3.1139 Bram Moolenaar <bram@vim.org> parents: 4783 diff changeset	2446 STRCPY(code, "NFA_START_INVISIBLE_NEG"); break;
4845 a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	2447 case NFA_START_INVISIBLE_NEG_FIRST:
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	2448 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	2449 case NFA_START_INVISIBLE_BEFORE:
2f51ee8825db updated for version 7.3.1088 Bram Moolenaar <bram@vim.org> parents: 4679 diff changeset	2450 STRCPY(code, "NFA_START_INVISIBLE_BEFORE"); break;
4845 a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	2451 case NFA_START_INVISIBLE_BEFORE_FIRST:
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	2452 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	2453 case NFA_START_INVISIBLE_BEFORE_NEG:
3b5a023a4543 updated for version 7.3.1139 Bram Moolenaar <bram@vim.org> parents: 4783 diff changeset	2454 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	2455 case NFA_START_INVISIBLE_BEFORE_NEG_FIRST:
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	2456 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	2457 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	2458 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	2459 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	2460 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	2461
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2462 case NFA_COMPOSING: STRCPY(code, "NFA_COMPOSING"); break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2463 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	2464 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	2465
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2466 case NFA_MOPEN:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2467 case NFA_MOPEN1:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2468 case NFA_MOPEN2:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2469 case NFA_MOPEN3:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2470 case NFA_MOPEN4:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2471 case NFA_MOPEN5:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2472 case NFA_MOPEN6:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2473 case NFA_MOPEN7:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2474 case NFA_MOPEN8:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2475 case NFA_MOPEN9:
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2476 STRCPY(code, "NFA_MOPEN(x)");
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2477 code[10] = c - NFA_MOPEN + '0';
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2478 break;
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2479 case NFA_MCLOSE:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2480 case NFA_MCLOSE1:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2481 case NFA_MCLOSE2:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2482 case NFA_MCLOSE3:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2483 case NFA_MCLOSE4:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2484 case NFA_MCLOSE5:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2485 case NFA_MCLOSE6:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2486 case NFA_MCLOSE7:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2487 case NFA_MCLOSE8:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2488 case NFA_MCLOSE9:
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2489 STRCPY(code, "NFA_MCLOSE(x)");
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2490 code[11] = c - NFA_MCLOSE + '0';
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2491 break;
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2492 #ifdef FEAT_SYN_HL
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2493 case NFA_ZOPEN:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2494 case NFA_ZOPEN1:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2495 case NFA_ZOPEN2:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2496 case NFA_ZOPEN3:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2497 case NFA_ZOPEN4:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2498 case NFA_ZOPEN5:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2499 case NFA_ZOPEN6:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2500 case NFA_ZOPEN7:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2501 case NFA_ZOPEN8:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2502 case NFA_ZOPEN9:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2503 STRCPY(code, "NFA_ZOPEN(x)");
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2504 code[10] = c - NFA_ZOPEN + '0';
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2505 break;
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2506 case NFA_ZCLOSE:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2507 case NFA_ZCLOSE1:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2508 case NFA_ZCLOSE2:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2509 case NFA_ZCLOSE3:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2510 case NFA_ZCLOSE4:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2511 case NFA_ZCLOSE5:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2512 case NFA_ZCLOSE6:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2513 case NFA_ZCLOSE7:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2514 case NFA_ZCLOSE8:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2515 case NFA_ZCLOSE9:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2516 STRCPY(code, "NFA_ZCLOSE(x)");
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2517 code[11] = c - NFA_ZCLOSE + '0';
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2518 break;
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	2519 #endif
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2520 case NFA_EOL: STRCPY(code, "NFA_EOL "); break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2521 case NFA_BOL: STRCPY(code, "NFA_BOL "); break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2522 case NFA_EOW: STRCPY(code, "NFA_EOW "); break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2523 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	2524 case NFA_EOF: STRCPY(code, "NFA_EOF "); break;
b3c59716e700 updated for version 7.3.1083 Bram Moolenaar <bram@vim.org> parents: 4669 diff changeset	2525 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	2526 case NFA_LNUM: STRCPY(code, "NFA_LNUM "); break;
0798b096bab3 updated for version 7.3.1113 Bram Moolenaar <bram@vim.org> parents: 4730 diff changeset	2527 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	2528 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	2529 case NFA_COL: STRCPY(code, "NFA_COL "); break;
0798b096bab3 updated for version 7.3.1113 Bram Moolenaar <bram@vim.org> parents: 4730 diff changeset	2530 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	2531 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	2532 case NFA_VCOL: STRCPY(code, "NFA_VCOL "); break;
0798b096bab3 updated for version 7.3.1113 Bram Moolenaar <bram@vim.org> parents: 4730 diff changeset	2533 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	2534 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	2535 case NFA_MARK: STRCPY(code, "NFA_MARK "); break;
0798b096bab3 updated for version 7.3.1113 Bram Moolenaar <bram@vim.org> parents: 4730 diff changeset	2536 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	2537 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	2538 case NFA_CURSOR: STRCPY(code, "NFA_CURSOR "); break;
0798b096bab3 updated for version 7.3.1113 Bram Moolenaar <bram@vim.org> parents: 4730 diff changeset	2539 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	2540 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	2541
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2542 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	2543 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	2544 case NFA_QUEST: STRCPY(code, "NFA_QUEST"); break;
811a4c9b51d8 updated for version 7.3.1085 Bram Moolenaar <bram@vim.org> parents: 4673 diff changeset	2545 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	2546 case NFA_EMPTY: STRCPY(code, "NFA_EMPTY"); break;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2547 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	2548
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	2549 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	2550 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	2551 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	2552 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	2553 case NFA_RANGE: STRCPY(code, "NFA_RANGE"); break;
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	2554 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	2555 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	2556
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2557 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	2558 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	2559 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	2560 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	2561 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	2562 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	2563 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	2564 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	2565 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	2566 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	2567 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	2568 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	2569 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	2570 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	2571 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	2572 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	2573 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	2574 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	2575 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	2576
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2577 case NFA_ANY: STRCPY(code, "NFA_ANY"); break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2578 case NFA_IDENT: STRCPY(code, "NFA_IDENT"); break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2579 case NFA_SIDENT:STRCPY(code, "NFA_SIDENT"); break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2580 case NFA_KWORD: STRCPY(code, "NFA_KWORD"); break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2581 case NFA_SKWORD:STRCPY(code, "NFA_SKWORD"); break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2582 case NFA_FNAME: STRCPY(code, "NFA_FNAME"); break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2583 case NFA_SFNAME:STRCPY(code, "NFA_SFNAME"); break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2584 case NFA_PRINT: STRCPY(code, "NFA_PRINT"); break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2585 case NFA_SPRINT:STRCPY(code, "NFA_SPRINT"); break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2586 case NFA_WHITE: STRCPY(code, "NFA_WHITE"); break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2587 case NFA_NWHITE:STRCPY(code, "NFA_NWHITE"); break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2588 case NFA_DIGIT: STRCPY(code, "NFA_DIGIT"); break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2589 case NFA_NDIGIT:STRCPY(code, "NFA_NDIGIT"); break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2590 case NFA_HEX: STRCPY(code, "NFA_HEX"); break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2591 case NFA_NHEX: STRCPY(code, "NFA_NHEX"); break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2592 case NFA_OCTAL: STRCPY(code, "NFA_OCTAL"); break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2593 case NFA_NOCTAL:STRCPY(code, "NFA_NOCTAL"); break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2594 case NFA_WORD: STRCPY(code, "NFA_WORD"); break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2595 case NFA_NWORD: STRCPY(code, "NFA_NWORD"); break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2596 case NFA_HEAD: STRCPY(code, "NFA_HEAD"); break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2597 case NFA_NHEAD: STRCPY(code, "NFA_NHEAD"); break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2598 case NFA_ALPHA: STRCPY(code, "NFA_ALPHA"); break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2599 case NFA_NALPHA:STRCPY(code, "NFA_NALPHA"); break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2600 case NFA_LOWER: STRCPY(code, "NFA_LOWER"); break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2601 case NFA_NLOWER:STRCPY(code, "NFA_NLOWER"); break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2602 case NFA_UPPER: STRCPY(code, "NFA_UPPER"); break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2603 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	2604 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	2605 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	2606 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	2607 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	2608
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2609 default:
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2610 STRCPY(code, "CHAR(x)");
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2611 code[5] = c;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2612 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2613
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2614 if (addnl == TRUE)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2615 STRCAT(code, " + NEWLINE ");
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2616
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2617 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2618
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2619 #ifdef ENABLE_LOG
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2620 static FILE *log_fd;
14145 1cf832945469 patch 8.1.0090: "..." used inconsistently in a message Christian Brabandt <cb@256bit.org> parents: 14121 diff changeset	2621 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	2622
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2623 /*
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2624 * Print the postfix notation of the current regexp.
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2625 */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2626 static void
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	2627 nfa_postfix_dump(char_u *expr, int retval)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2628 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2629 int *p;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2630 FILE *f;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2631
4531 1be43c095aff updated for version 7.3.1013 Bram Moolenaar <bram@vim.org> parents: 4529 diff changeset	2632 f = fopen(NFA_REGEXP_DUMP_LOG, "a");
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2633 if (f != NULL)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2634 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2635 fprintf(f, "\n-------------------------\n");
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2636 if (retval == FAIL)
14145 1cf832945469 patch 8.1.0090: "..." used inconsistently in a message Christian Brabandt <cb@256bit.org> parents: 14121 diff changeset	2637 fprintf(f, ">>> NFA engine failed... \n");
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2638 else if (retval == OK)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2639 fprintf(f, ">>> NFA engine succeeded !\n");
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2640 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	2641 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	2642 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2643 nfa_set_code(*p);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2644 fprintf(f, "%s, ", code);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2645 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2646 fprintf(f, "\"\nPostfix notation (int): ");
5255 3c6e2b89875f updated for version 7.4b.004 Bram Moolenaar <bram@vim.org> parents: 5253 diff changeset	2647 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	2648 fprintf(f, "%d ", *p);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2649 fprintf(f, "\n\n");
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2650 fclose(f);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2651 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2652 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2653
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2654 /*
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2655 * Print the NFA starting with a root node "state".
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2656 */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2657 static void
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	2658 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	2659 {
4533 6a2005efa02b updated for version 7.3.1014 Bram Moolenaar <bram@vim.org> parents: 4531 diff changeset	2660 garray_T indent;
6a2005efa02b updated for version 7.3.1014 Bram Moolenaar <bram@vim.org> parents: 4531 diff changeset	2661
6a2005efa02b updated for version 7.3.1014 Bram Moolenaar <bram@vim.org> parents: 4531 diff changeset	2662 ga_init2(&indent, 1, 64);
6a2005efa02b updated for version 7.3.1014 Bram Moolenaar <bram@vim.org> parents: 4531 diff changeset	2663 ga_append(&indent, '\0');
6a2005efa02b updated for version 7.3.1014 Bram Moolenaar <bram@vim.org> parents: 4531 diff changeset	2664 nfa_print_state2(debugf, state, &indent);
6a2005efa02b updated for version 7.3.1014 Bram Moolenaar <bram@vim.org> parents: 4531 diff changeset	2665 ga_clear(&indent);
6a2005efa02b updated for version 7.3.1014 Bram Moolenaar <bram@vim.org> parents: 4531 diff changeset	2666 }
6a2005efa02b updated for version 7.3.1014 Bram Moolenaar <bram@vim.org> parents: 4531 diff changeset	2667
6a2005efa02b updated for version 7.3.1014 Bram Moolenaar <bram@vim.org> parents: 4531 diff changeset	2668 static void
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	2669 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	2670 {
6a2005efa02b updated for version 7.3.1014 Bram Moolenaar <bram@vim.org> parents: 4531 diff changeset	2671 char_u *p;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2672
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2673 if (state == NULL)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2674 return;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2675
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2676 fprintf(debugf, "(%2d)", abs(state->id));
4533 6a2005efa02b updated for version 7.3.1014 Bram Moolenaar <bram@vim.org> parents: 4531 diff changeset	2677
6a2005efa02b updated for version 7.3.1014 Bram Moolenaar <bram@vim.org> parents: 4531 diff changeset	2678 /* Output indent */
6a2005efa02b updated for version 7.3.1014 Bram Moolenaar <bram@vim.org> parents: 4531 diff changeset	2679 p = (char_u *)indent->ga_data;
6a2005efa02b updated for version 7.3.1014 Bram Moolenaar <bram@vim.org> parents: 4531 diff changeset	2680 if (indent->ga_len >= 3)
6a2005efa02b updated for version 7.3.1014 Bram Moolenaar <bram@vim.org> parents: 4531 diff changeset	2681 {
6a2005efa02b updated for version 7.3.1014 Bram Moolenaar <bram@vim.org> parents: 4531 diff changeset	2682 int last = indent->ga_len - 3;
6a2005efa02b updated for version 7.3.1014 Bram Moolenaar <bram@vim.org> parents: 4531 diff changeset	2683 char_u save[2];
6a2005efa02b updated for version 7.3.1014 Bram Moolenaar <bram@vim.org> parents: 4531 diff changeset	2684
6a2005efa02b updated for version 7.3.1014 Bram Moolenaar <bram@vim.org> parents: 4531 diff changeset	2685 STRNCPY(save, &p[last], 2);
6a2005efa02b updated for version 7.3.1014 Bram Moolenaar <bram@vim.org> parents: 4531 diff changeset	2686 STRNCPY(&p[last], "+-", 2);
6a2005efa02b updated for version 7.3.1014 Bram Moolenaar <bram@vim.org> parents: 4531 diff changeset	2687 fprintf(debugf, " %s", p);
6a2005efa02b updated for version 7.3.1014 Bram Moolenaar <bram@vim.org> parents: 4531 diff changeset	2688 STRNCPY(&p[last], save, 2);
6a2005efa02b updated for version 7.3.1014 Bram Moolenaar <bram@vim.org> parents: 4531 diff changeset	2689 }
6a2005efa02b updated for version 7.3.1014 Bram Moolenaar <bram@vim.org> parents: 4531 diff changeset	2690 else
6a2005efa02b updated for version 7.3.1014 Bram Moolenaar <bram@vim.org> parents: 4531 diff changeset	2691 fprintf(debugf, " %s", p);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2692
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2693 nfa_set_code(state->c);
4785 3b5a023a4543 updated for version 7.3.1139 Bram Moolenaar <bram@vim.org> parents: 4783 diff changeset	2694 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	2695 code,
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	2696 state->c,
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	2697 abs(state->id),
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	2698 state->val);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2699 if (state->id < 0)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2700 return;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2701
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2702 state->id = abs(state->id) * -1;
4533 6a2005efa02b updated for version 7.3.1014 Bram Moolenaar <bram@vim.org> parents: 4531 diff changeset	2703
6a2005efa02b updated for version 7.3.1014 Bram Moolenaar <bram@vim.org> parents: 4531 diff changeset	2704 /* grow indent for state->out */
6a2005efa02b updated for version 7.3.1014 Bram Moolenaar <bram@vim.org> parents: 4531 diff changeset	2705 indent->ga_len -= 1;
6a2005efa02b updated for version 7.3.1014 Bram Moolenaar <bram@vim.org> parents: 4531 diff changeset	2706 if (state->out1)
4537 5cc98a5898cf updated for version 7.3.1016 Bram Moolenaar <bram@vim.org> parents: 4535 diff changeset	2707 ga_concat(indent, (char_u *)"\| ");
4533 6a2005efa02b updated for version 7.3.1014 Bram Moolenaar <bram@vim.org> parents: 4531 diff changeset	2708 else
4537 5cc98a5898cf updated for version 7.3.1016 Bram Moolenaar <bram@vim.org> parents: 4535 diff changeset	2709 ga_concat(indent, (char_u *)" ");
4533 6a2005efa02b updated for version 7.3.1014 Bram Moolenaar <bram@vim.org> parents: 4531 diff changeset	2710 ga_append(indent, '\0');
6a2005efa02b updated for version 7.3.1014 Bram Moolenaar <bram@vim.org> parents: 4531 diff changeset	2711
6a2005efa02b updated for version 7.3.1014 Bram Moolenaar <bram@vim.org> parents: 4531 diff changeset	2712 nfa_print_state2(debugf, state->out, indent);
6a2005efa02b updated for version 7.3.1014 Bram Moolenaar <bram@vim.org> parents: 4531 diff changeset	2713
6a2005efa02b updated for version 7.3.1014 Bram Moolenaar <bram@vim.org> parents: 4531 diff changeset	2714 /* replace last part of indent for state->out1 */
6a2005efa02b updated for version 7.3.1014 Bram Moolenaar <bram@vim.org> parents: 4531 diff changeset	2715 indent->ga_len -= 3;
4537 5cc98a5898cf updated for version 7.3.1016 Bram Moolenaar <bram@vim.org> parents: 4535 diff changeset	2716 ga_concat(indent, (char_u *)" ");
4533 6a2005efa02b updated for version 7.3.1014 Bram Moolenaar <bram@vim.org> parents: 4531 diff changeset	2717 ga_append(indent, '\0');
6a2005efa02b updated for version 7.3.1014 Bram Moolenaar <bram@vim.org> parents: 4531 diff changeset	2718
6a2005efa02b updated for version 7.3.1014 Bram Moolenaar <bram@vim.org> parents: 4531 diff changeset	2719 nfa_print_state2(debugf, state->out1, indent);
6a2005efa02b updated for version 7.3.1014 Bram Moolenaar <bram@vim.org> parents: 4531 diff changeset	2720
6a2005efa02b updated for version 7.3.1014 Bram Moolenaar <bram@vim.org> parents: 4531 diff changeset	2721 /* shrink indent */
6a2005efa02b updated for version 7.3.1014 Bram Moolenaar <bram@vim.org> parents: 4531 diff changeset	2722 indent->ga_len -= 3;
6a2005efa02b updated for version 7.3.1014 Bram Moolenaar <bram@vim.org> parents: 4531 diff changeset	2723 ga_append(indent, '\0');
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2724 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2725
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2726 /*
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2727 * Print the NFA state machine.
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2728 */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2729 static void
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	2730 nfa_dump(nfa_regprog_T *prog)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2731 {
4531 1be43c095aff updated for version 7.3.1013 Bram Moolenaar <bram@vim.org> parents: 4529 diff changeset	2732 FILE *debugf = fopen(NFA_REGEXP_DUMP_LOG, "a");
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2733
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2734 if (debugf != NULL)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2735 {
4533 6a2005efa02b updated for version 7.3.1014 Bram Moolenaar <bram@vim.org> parents: 4531 diff changeset	2736 nfa_print_state(debugf, prog->start);
4772 03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	2737
4805 66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	2738 if (prog->reganch)
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	2739 fprintf(debugf, "reganch: %d\n", prog->reganch);
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	2740 if (prog->regstart != NUL)
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	2741 fprintf(debugf, "regstart: %c (decimal: %d)\n",
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	2742 prog->regstart, prog->regstart);
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	2743 if (prog->match_text != NULL)
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	2744 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	2745
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2746 fclose(debugf);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2747 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2748 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2749 #endif /* ENABLE_LOG */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2750 #endif /* DEBUG */
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 /*
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2753 * 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	2754 * Return the postfix string on success, NULL otherwise.
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2755 */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2756 static int *
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	2757 re2post(void)
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 (nfa_reg(REG_NOPAREN) == FAIL)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2760 return NULL;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2761 EMIT(NFA_MOPEN);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2762 return post_start;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2763 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2764
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2765 /* NB. Some of the code below is inspired by Russ's. */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2766
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2767 /*
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2768 * 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	2769 * if c == MATCH, no arrows out; matching state.
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2770 * 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	2771 * 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	2772 */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2773
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2774 static nfa_state_T state_ptr; / points to nfa_prog->state */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2775
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 * Allocate and initialize nfa_state_T.
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2778 */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2779 static nfa_state_T *
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	2780 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	2781 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2782 nfa_state_T *s;
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 (istate >= nstate)
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
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2787 s = &state_ptr[istate++];
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 s->c = c;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2790 s->out = out;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2791 s->out1 = out1;
4781 c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	2792 s->val = 0;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2793
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2794 s->id = istate;
4718 ec72bb4a0fc2 updated for version 7.3.1106 Bram Moolenaar <bram@vim.org> parents: 4716 diff changeset	2795 s->lastlist[0] = 0;
ec72bb4a0fc2 updated for version 7.3.1106 Bram Moolenaar <bram@vim.org> parents: 4716 diff changeset	2796 s->lastlist[1] = 0;
4444 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 return s;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2799 }
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 * 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	2803 * Frag_T.start points at the start state.
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2804 * 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	2805 * next state for this fragment.
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2806 */
4555 b2946c06d1b6 updated for version 7.3.1025 Bram Moolenaar <bram@vim.org> parents: 4553 diff changeset	2807
b2946c06d1b6 updated for version 7.3.1025 Bram Moolenaar <bram@vim.org> parents: 4553 diff changeset	2808 /* Since the out pointers in the list are always
b2946c06d1b6 updated for version 7.3.1025 Bram Moolenaar <bram@vim.org> parents: 4553 diff changeset	2809 * uninitialized, we use the pointers themselves
b2946c06d1b6 updated for version 7.3.1025 Bram Moolenaar <bram@vim.org> parents: 4553 diff changeset	2810 * as storage for the Ptrlists. */
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2811 typedef union Ptrlist Ptrlist;
4555 b2946c06d1b6 updated for version 7.3.1025 Bram Moolenaar <bram@vim.org> parents: 4553 diff changeset	2812 union Ptrlist
b2946c06d1b6 updated for version 7.3.1025 Bram Moolenaar <bram@vim.org> parents: 4553 diff changeset	2813 {
b2946c06d1b6 updated for version 7.3.1025 Bram Moolenaar <bram@vim.org> parents: 4553 diff changeset	2814 Ptrlist *next;
b2946c06d1b6 updated for version 7.3.1025 Bram Moolenaar <bram@vim.org> parents: 4553 diff changeset	2815 nfa_state_T *s;
b2946c06d1b6 updated for version 7.3.1025 Bram Moolenaar <bram@vim.org> parents: 4553 diff changeset	2816 };
b2946c06d1b6 updated for version 7.3.1025 Bram Moolenaar <bram@vim.org> parents: 4553 diff changeset	2817
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2818 struct Frag
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2819 {
4555 b2946c06d1b6 updated for version 7.3.1025 Bram Moolenaar <bram@vim.org> parents: 4553 diff changeset	2820 nfa_state_T *start;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2821 Ptrlist *out;
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 typedef struct Frag Frag_T;
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 /*
4456 015a8fabf900 updated for version 7.3.976 Bram Moolenaar <bram@vim.org> parents: 4454 diff changeset	2826 * Initialize a Frag_T struct and return it.
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2827 */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2828 static Frag_T
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	2829 frag(nfa_state_T start, Ptrlist out)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2830 {
4456 015a8fabf900 updated for version 7.3.976 Bram Moolenaar <bram@vim.org> parents: 4454 diff changeset	2831 Frag_T n;
015a8fabf900 updated for version 7.3.976 Bram Moolenaar <bram@vim.org> parents: 4454 diff changeset	2832
015a8fabf900 updated for version 7.3.976 Bram Moolenaar <bram@vim.org> parents: 4454 diff changeset	2833 n.start = start;
015a8fabf900 updated for version 7.3.976 Bram Moolenaar <bram@vim.org> parents: 4454 diff changeset	2834 n.out = out;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2835 return n;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2836 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2837
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2838 /*
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2839 * Create singleton list containing just outp.
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2840 */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2841 static Ptrlist *
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	2842 list1(
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	2843 nfa_state_T **outp)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2844 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2845 Ptrlist *l;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2846
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2847 l = (Ptrlist *)outp;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2848 l->next = NULL;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2849 return l;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2850 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2851
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2852 /*
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2853 * 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	2854 */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2855 static void
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	2856 patch(Ptrlist l, nfa_state_T s)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2857 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2858 Ptrlist *next;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2859
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2860 for (; l; l = next)
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 next = l->next;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2863 l->s = s;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2864 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2865 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2866
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2867
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2868 /*
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2869 * 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	2870 */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2871 static Ptrlist *
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	2872 append(Ptrlist l1, Ptrlist l2)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2873 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2874 Ptrlist *oldl1;
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 oldl1 = l1;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2877 while (l1->next)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2878 l1 = l1->next;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2879 l1->next = l2;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2880 return oldl1;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2881 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2882
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2883 /*
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2884 * Stack used for transforming postfix form into NFA.
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2885 */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2886 static Frag_T empty;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2887
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2888 static void
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	2889 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	2890 {
4531 1be43c095aff updated for version 7.3.1013 Bram Moolenaar <bram@vim.org> parents: 4529 diff changeset	2891 #ifdef NFA_REGEXP_ERROR_LOG
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2892 FILE *df;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2893 int *p2;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2894
4531 1be43c095aff updated for version 7.3.1013 Bram Moolenaar <bram@vim.org> parents: 4529 diff changeset	2895 df = fopen(NFA_REGEXP_ERROR_LOG, "a");
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2896 if (df)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2897 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2898 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	2899 # ifdef DEBUG
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2900 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	2901 # endif
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2902 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	2903 # ifdef DEBUG
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2904 for (p2 = postfix; p2 < end; p2++)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2905 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2906 nfa_set_code(*p2);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2907 fprintf(df, "%s, ", code);
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 nfa_set_code(*p);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2910 fprintf(df, "\nCurrent position is: ");
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2911 for (p2 = postfix; p2 <= p; p2 ++)
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 nfa_set_code(*p2);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2914 fprintf(df, "%s, ", code);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2915 }
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	2916 # else
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2917 for (p2 = postfix; p2 < end; p2++)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2918 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2919 fprintf(df, "%d, ", *p2);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2920 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2921 fprintf(df, "\nCurrent position is: ");
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2922 for (p2 = postfix; p2 <= p; p2 ++)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2923 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2924 fprintf(df, "%d, ", *p2);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2925 }
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, "\n--------------------------\n");
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2928 fclose(df);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2929 }
4531 1be43c095aff updated for version 7.3.1013 Bram Moolenaar <bram@vim.org> parents: 4529 diff changeset	2930 #endif
15470 55ccc2d353bd patch 8.1.0743: giving error messages is not flexible Bram Moolenaar <Bram@vim.org> parents: 15265 diff changeset	2931 emsg(_("E874: (NFA) Could not pop the stack!"));
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2932 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2933
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2934 /*
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2935 * Push an item onto the stack.
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2936 */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2937 static void
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	2938 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	2939 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2940 Frag_T stackp = p;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2941
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2942 if (stackp >= stack_end)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2943 return;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2944 *stackp = s;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2945 p = p + 1;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2946 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2947
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2948 /*
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2949 * Pop an item from the stack.
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2950 */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2951 static Frag_T
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	2952 st_pop(Frag_T *p, Frag_T 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 Frag_T *stackp;
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 p = p - 1;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2957 stackp = *p;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2958 if (stackp < stack)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2959 return empty;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2960 return **p;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	2961 }
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 /*
4807 3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	2964 * 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	2965 * When unknown or unlimited return -1.
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	2966 */
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	2967 static int
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	2968 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	2969 {
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	2970 int l, r;
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	2971 nfa_state_T *state = startstate;
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	2972 int len = 0;
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	2973
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	2974 /* detect looping in a NFA_SPLIT */
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	2975 if (depth > 4)
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	2976 return -1;
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	2977
4958 0a379dea13c9 updated for version 7.3.1224 Bram Moolenaar <bram@vim.org> parents: 4944 diff changeset	2978 while (state != NULL)
4807 3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	2979 {
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	2980 switch (state->c)
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	2981 {
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	2982 case NFA_END_INVISIBLE:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	2983 case NFA_END_INVISIBLE_NEG:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	2984 /* the end, return what we have */
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	2985 return len;
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	2986
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	2987 case NFA_SPLIT:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	2988 /* two alternatives, use the maximum */
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	2989 l = nfa_max_width(state->out, depth + 1);
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	2990 r = nfa_max_width(state->out1, depth + 1);
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	2991 if (l < 0 \|\| r < 0)
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	2992 return -1;
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	2993 return len + (l > r ? l : r);
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	2994
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	2995 case NFA_ANY:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	2996 case NFA_START_COLL:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	2997 case NFA_START_NEG_COLL:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	2998 /* matches some character, including composing chars */
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	2999 if (enc_utf8)
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3000 len += MB_MAXBYTES;
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3001 else if (has_mbyte)
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3002 len += 2;
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3003 else
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3004 ++len;
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3005 if (state->c != NFA_ANY)
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3006 {
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3007 /* skip over the characters */
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3008 state = state->out1->out;
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3009 continue;
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3010 }
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3011 break;
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3012
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3013 case NFA_DIGIT:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3014 case NFA_WHITE:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3015 case NFA_HEX:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3016 case NFA_OCTAL:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3017 /* ascii */
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3018 ++len;
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3019 break;
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3020
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3021 case NFA_IDENT:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3022 case NFA_SIDENT:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3023 case NFA_KWORD:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3024 case NFA_SKWORD:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3025 case NFA_FNAME:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3026 case NFA_SFNAME:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3027 case NFA_PRINT:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3028 case NFA_SPRINT:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3029 case NFA_NWHITE:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3030 case NFA_NDIGIT:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3031 case NFA_NHEX:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3032 case NFA_NOCTAL:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3033 case NFA_WORD:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3034 case NFA_NWORD:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3035 case NFA_HEAD:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3036 case NFA_NHEAD:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3037 case NFA_ALPHA:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3038 case NFA_NALPHA:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3039 case NFA_LOWER:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3040 case NFA_NLOWER:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3041 case NFA_UPPER:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3042 case NFA_NUPPER:
5296 3e9107b86b68 updated for version 7.4.001 Bram Moolenaar <bram@vim.org> parents: 5255 diff changeset	3043 case NFA_LOWER_IC:
3e9107b86b68 updated for version 7.4.001 Bram Moolenaar <bram@vim.org> parents: 5255 diff changeset	3044 case NFA_NLOWER_IC:
3e9107b86b68 updated for version 7.4.001 Bram Moolenaar <bram@vim.org> parents: 5255 diff changeset	3045 case NFA_UPPER_IC:
3e9107b86b68 updated for version 7.4.001 Bram Moolenaar <bram@vim.org> parents: 5255 diff changeset	3046 case NFA_NUPPER_IC:
5901 10fc95f48546 updated for version 7.4.293 Bram Moolenaar <bram@vim.org> parents: 5895 diff changeset	3047 case NFA_ANY_COMPOSING:
4807 3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3048 /* possibly non-ascii */
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3049 if (has_mbyte)
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3050 len += 3;
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3051 else
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3052 ++len;
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3053 break;
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3054
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3055 case NFA_START_INVISIBLE:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3056 case NFA_START_INVISIBLE_NEG:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3057 case NFA_START_INVISIBLE_BEFORE:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3058 case NFA_START_INVISIBLE_BEFORE_NEG:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3059 /* zero-width, out1 points to the END state */
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3060 state = state->out1->out;
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3061 continue;
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3062
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3063 case NFA_BACKREF1:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3064 case NFA_BACKREF2:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3065 case NFA_BACKREF3:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3066 case NFA_BACKREF4:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3067 case NFA_BACKREF5:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3068 case NFA_BACKREF6:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3069 case NFA_BACKREF7:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3070 case NFA_BACKREF8:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3071 case NFA_BACKREF9:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3072 #ifdef FEAT_SYN_HL
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3073 case NFA_ZREF1:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3074 case NFA_ZREF2:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3075 case NFA_ZREF3:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3076 case NFA_ZREF4:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3077 case NFA_ZREF5:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3078 case NFA_ZREF6:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3079 case NFA_ZREF7:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3080 case NFA_ZREF8:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3081 case NFA_ZREF9:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3082 #endif
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3083 case NFA_NEWL:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3084 case NFA_SKIP:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3085 /* unknown width */
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3086 return -1;
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3087
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3088 case NFA_BOL:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3089 case NFA_EOL:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3090 case NFA_BOF:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3091 case NFA_EOF:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3092 case NFA_BOW:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3093 case NFA_EOW:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3094 case NFA_MOPEN:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3095 case NFA_MOPEN1:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3096 case NFA_MOPEN2:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3097 case NFA_MOPEN3:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3098 case NFA_MOPEN4:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3099 case NFA_MOPEN5:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3100 case NFA_MOPEN6:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3101 case NFA_MOPEN7:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3102 case NFA_MOPEN8:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3103 case NFA_MOPEN9:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3104 #ifdef FEAT_SYN_HL
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3105 case NFA_ZOPEN:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3106 case NFA_ZOPEN1:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3107 case NFA_ZOPEN2:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3108 case NFA_ZOPEN3:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3109 case NFA_ZOPEN4:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3110 case NFA_ZOPEN5:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3111 case NFA_ZOPEN6:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3112 case NFA_ZOPEN7:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3113 case NFA_ZOPEN8:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3114 case NFA_ZOPEN9:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3115 case NFA_ZCLOSE:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3116 case NFA_ZCLOSE1:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3117 case NFA_ZCLOSE2:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3118 case NFA_ZCLOSE3:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3119 case NFA_ZCLOSE4:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3120 case NFA_ZCLOSE5:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3121 case NFA_ZCLOSE6:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3122 case NFA_ZCLOSE7:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3123 case NFA_ZCLOSE8:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3124 case NFA_ZCLOSE9:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3125 #endif
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3126 case NFA_MCLOSE:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3127 case NFA_MCLOSE1:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3128 case NFA_MCLOSE2:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3129 case NFA_MCLOSE3:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3130 case NFA_MCLOSE4:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3131 case NFA_MCLOSE5:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3132 case NFA_MCLOSE6:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3133 case NFA_MCLOSE7:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3134 case NFA_MCLOSE8:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3135 case NFA_MCLOSE9:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3136 case NFA_NOPEN:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3137 case NFA_NCLOSE:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3138
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3139 case NFA_LNUM_GT:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3140 case NFA_LNUM_LT:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3141 case NFA_COL_GT:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3142 case NFA_COL_LT:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3143 case NFA_VCOL_GT:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3144 case NFA_VCOL_LT:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3145 case NFA_MARK_GT:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3146 case NFA_MARK_LT:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3147 case NFA_VISUAL:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3148 case NFA_LNUM:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3149 case NFA_CURSOR:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3150 case NFA_COL:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3151 case NFA_VCOL:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3152 case NFA_MARK:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3153
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3154 case NFA_ZSTART:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3155 case NFA_ZEND:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3156 case NFA_OPT_CHARS:
5370 90e2f0729a0d updated for version 7.4.036 Bram Moolenaar <bram@vim.org> parents: 5360 diff changeset	3157 case NFA_EMPTY:
4807 3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3158 case NFA_START_PATTERN:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3159 case NFA_END_PATTERN:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3160 case NFA_COMPOSING:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3161 case NFA_END_COMPOSING:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3162 /* zero-width */
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3163 break;
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3164
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3165 default:
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3166 if (state->c < 0)
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3167 /* don't know what this is */
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3168 return -1;
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3169 /* normal character */
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3170 len += MB_CHAR2LEN(state->c);
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3171 break;
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3172 }
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3173
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3174 /* normal way to continue */
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3175 state = state->out;
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3176 }
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3177
4958 0a379dea13c9 updated for version 7.3.1224 Bram Moolenaar <bram@vim.org> parents: 4944 diff changeset	3178 /* unrecognized, "cannot happen" */
4807 3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3179 return -1;
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3180 }
4809 4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	3181
4807 3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3182 /*
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3183 * Convert a postfix form into its equivalent NFA.
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3184 * Return the NFA start state on success, NULL otherwise.
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3185 */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3186 static nfa_state_T *
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	3187 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	3188 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3189 int *p;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3190 int mopen;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3191 int mclose;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3192 Frag_T *stack = NULL;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3193 Frag_T *stackp = NULL;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3194 Frag_T *stack_end = NULL;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3195 Frag_T e1;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3196 Frag_T e2;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3197 Frag_T e;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3198 nfa_state_T *s;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3199 nfa_state_T *s1;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3200 nfa_state_T *matchstate;
4484 9a1d78f82826 updated for version 7.3.990 Bram Moolenaar <bram@vim.org> parents: 4482 diff changeset	3201 nfa_state_T *ret = NULL;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3202
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3203 if (postfix == NULL)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3204 return NULL;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3205
4456 015a8fabf900 updated for version 7.3.976 Bram Moolenaar <bram@vim.org> parents: 4454 diff changeset	3206 #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	3207 #define POP() st_pop(&stackp, stack); \
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3208 if (stackp < stack) \
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 st_error(postfix, end, p); \
6747 4c4c8a53347b patch 7.4.696 Bram Moolenaar <bram@vim.org> parents: 6653 diff changeset	3211 vim_free(stack); \
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3212 return NULL; \
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3213 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3214
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3215 if (nfa_calc_size == FALSE)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3216 {
15265 a7d02a56b5d5 patch 8.1.0641: no check for out-of-memory when converting regexp Bram Moolenaar <Bram@vim.org> parents: 14354 diff changeset	3217 // Allocate space for the stack. Max states on the stack: "nstate'.
4682 2f51ee8825db updated for version 7.3.1088 Bram Moolenaar <bram@vim.org> parents: 4679 diff changeset	3218 stack = (Frag_T )lalloc((nstate + 1) sizeof(Frag_T), TRUE);
15265 a7d02a56b5d5 patch 8.1.0641: no check for out-of-memory when converting regexp Bram Moolenaar <Bram@vim.org> parents: 14354 diff changeset	3219 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	3220 return NULL;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3221 stackp = stack;
4462 a63361b90979 updated for version 7.3.979 Bram Moolenaar <bram@vim.org> parents: 4460 diff changeset	3222 stack_end = stack + (nstate + 1);
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
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3225 for (p = postfix; p < end; ++p)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3226 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3227 switch (*p)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3228 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3229 case NFA_CONCAT:
4781 c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	3230 /* Concatenation.
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	3231 * Pay attention: this operator does not exist in the r.e. itself
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	3232 * (it is implicit, really). It is added when r.e. is translated
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	3233 * to postfix form in re2post(). */
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3234 if (nfa_calc_size == TRUE)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3235 {
4458 21e13403140a updated for version 7.3.977 Bram Moolenaar <bram@vim.org> parents: 4456 diff changeset	3236 /* nstate += 0; */
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3237 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3238 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3239 e2 = POP();
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3240 e1 = POP();
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3241 patch(e1.out, e2.start);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3242 PUSH(frag(e1.start, e2.out));
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3243 break;
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 case NFA_OR:
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3246 /* Alternation */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3247 if (nfa_calc_size == TRUE)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3248 {
4458 21e13403140a updated for version 7.3.977 Bram Moolenaar <bram@vim.org> parents: 4456 diff changeset	3249 nstate++;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3250 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3251 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3252 e2 = POP();
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3253 e1 = POP();
4696 ed4e689bbea1 updated for version 7.3.1095 Bram Moolenaar <bram@vim.org> parents: 4694 diff changeset	3254 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	3255 if (s == NULL)
4484 9a1d78f82826 updated for version 7.3.990 Bram Moolenaar <bram@vim.org> parents: 4482 diff changeset	3256 goto theend;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3257 PUSH(frag(s, append(e1.out, e2.out)));
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 case NFA_STAR:
4675 811a4c9b51d8 updated for version 7.3.1085 Bram Moolenaar <bram@vim.org> parents: 4673 diff changeset	3261 /* Zero or more, prefer more */
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3262 if (nfa_calc_size == TRUE)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3263 {
4458 21e13403140a updated for version 7.3.977 Bram Moolenaar <bram@vim.org> parents: 4456 diff changeset	3264 nstate++;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3265 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3266 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3267 e = POP();
4696 ed4e689bbea1 updated for version 7.3.1095 Bram Moolenaar <bram@vim.org> parents: 4694 diff changeset	3268 s = alloc_state(NFA_SPLIT, e.start, NULL);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3269 if (s == NULL)
4484 9a1d78f82826 updated for version 7.3.990 Bram Moolenaar <bram@vim.org> parents: 4482 diff changeset	3270 goto theend;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3271 patch(e.out, s);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3272 PUSH(frag(s, list1(&s->out1)));
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3273 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3274
4675 811a4c9b51d8 updated for version 7.3.1085 Bram Moolenaar <bram@vim.org> parents: 4673 diff changeset	3275 case NFA_STAR_NONGREEDY:
811a4c9b51d8 updated for version 7.3.1085 Bram Moolenaar <bram@vim.org> parents: 4673 diff changeset	3276 /* Zero or more, prefer zero */
811a4c9b51d8 updated for version 7.3.1085 Bram Moolenaar <bram@vim.org> parents: 4673 diff changeset	3277 if (nfa_calc_size == TRUE)
811a4c9b51d8 updated for version 7.3.1085 Bram Moolenaar <bram@vim.org> parents: 4673 diff changeset	3278 {
811a4c9b51d8 updated for version 7.3.1085 Bram Moolenaar <bram@vim.org> parents: 4673 diff changeset	3279 nstate++;
811a4c9b51d8 updated for version 7.3.1085 Bram Moolenaar <bram@vim.org> parents: 4673 diff changeset	3280 break;
811a4c9b51d8 updated for version 7.3.1085 Bram Moolenaar <bram@vim.org> parents: 4673 diff changeset	3281 }
811a4c9b51d8 updated for version 7.3.1085 Bram Moolenaar <bram@vim.org> parents: 4673 diff changeset	3282 e = POP();
4696 ed4e689bbea1 updated for version 7.3.1095 Bram Moolenaar <bram@vim.org> parents: 4694 diff changeset	3283 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	3284 if (s == NULL)
811a4c9b51d8 updated for version 7.3.1085 Bram Moolenaar <bram@vim.org> parents: 4673 diff changeset	3285 goto theend;
811a4c9b51d8 updated for version 7.3.1085 Bram Moolenaar <bram@vim.org> parents: 4673 diff changeset	3286 patch(e.out, s);
811a4c9b51d8 updated for version 7.3.1085 Bram Moolenaar <bram@vim.org> parents: 4673 diff changeset	3287 PUSH(frag(s, list1(&s->out)));
811a4c9b51d8 updated for version 7.3.1085 Bram Moolenaar <bram@vim.org> parents: 4673 diff changeset	3288 break;
811a4c9b51d8 updated for version 7.3.1085 Bram Moolenaar <bram@vim.org> parents: 4673 diff changeset	3289
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3290 case NFA_QUEST:
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3291 /* one or zero atoms=> greedy match */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3292 if (nfa_calc_size == TRUE)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3293 {
4458 21e13403140a updated for version 7.3.977 Bram Moolenaar <bram@vim.org> parents: 4456 diff changeset	3294 nstate++;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3295 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3296 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3297 e = POP();
4696 ed4e689bbea1 updated for version 7.3.1095 Bram Moolenaar <bram@vim.org> parents: 4694 diff changeset	3298 s = alloc_state(NFA_SPLIT, e.start, NULL);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3299 if (s == NULL)
4484 9a1d78f82826 updated for version 7.3.990 Bram Moolenaar <bram@vim.org> parents: 4482 diff changeset	3300 goto theend;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3301 PUSH(frag(s, append(e.out, list1(&s->out1))));
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3302 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3303
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3304 case NFA_QUEST_NONGREEDY:
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3305 /* zero or one atoms => non-greedy match */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3306 if (nfa_calc_size == TRUE)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3307 {
4458 21e13403140a updated for version 7.3.977 Bram Moolenaar <bram@vim.org> parents: 4456 diff changeset	3308 nstate++;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3309 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3310 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3311 e = POP();
4696 ed4e689bbea1 updated for version 7.3.1095 Bram Moolenaar <bram@vim.org> parents: 4694 diff changeset	3312 s = alloc_state(NFA_SPLIT, NULL, e.start);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3313 if (s == NULL)
4484 9a1d78f82826 updated for version 7.3.990 Bram Moolenaar <bram@vim.org> parents: 4482 diff changeset	3314 goto theend;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3315 PUSH(frag(s, append(e.out, list1(&s->out))));
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
4781 c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	3318 case NFA_END_COLL:
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	3319 case NFA_END_NEG_COLL:
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	3320 /* On the stack is the sequence starting with NFA_START_COLL or
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	3321 * NFA_START_NEG_COLL and all possible characters. Patch it to
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	3322 * add the output to the start. */
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	3323 if (nfa_calc_size == TRUE)
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	3324 {
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	3325 nstate++;
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	3326 break;
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	3327 }
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	3328 e = POP();
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	3329 s = alloc_state(NFA_END_COLL, NULL, NULL);
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	3330 if (s == NULL)
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	3331 goto theend;
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	3332 patch(e.out, s);
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	3333 e.start->out1 = s;
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	3334 PUSH(frag(e.start, list1(&s->out)));
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	3335 break;
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	3336
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	3337 case NFA_RANGE:
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	3338 /* Before this are two characters, the low and high end of a
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	3339 * range. Turn them into two states with MIN and MAX. */
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	3340 if (nfa_calc_size == TRUE)
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	3341 {
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	3342 /* nstate += 0; */
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	3343 break;
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	3344 }
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	3345 e2 = POP();
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	3346 e1 = POP();
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	3347 e2.start->val = e2.start->c;
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	3348 e2.start->c = NFA_RANGE_MAX;
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	3349 e1.start->val = e1.start->c;
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	3350 e1.start->c = NFA_RANGE_MIN;
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	3351 patch(e1.out, e2.start);
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	3352 PUSH(frag(e1.start, e2.out));
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	3353 break;
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	3354
5370 90e2f0729a0d updated for version 7.4.036 Bram Moolenaar <bram@vim.org> parents: 5360 diff changeset	3355 case NFA_EMPTY:
90e2f0729a0d updated for version 7.4.036 Bram Moolenaar <bram@vim.org> parents: 5360 diff changeset	3356 /* 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	3357 if (nfa_calc_size == TRUE)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3358 {
4458 21e13403140a updated for version 7.3.977 Bram Moolenaar <bram@vim.org> parents: 4456 diff changeset	3359 nstate++;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3360 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3361 }
5370 90e2f0729a0d updated for version 7.4.036 Bram Moolenaar <bram@vim.org> parents: 5360 diff changeset	3362 s = alloc_state(NFA_EMPTY, NULL, NULL);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3363 if (s == NULL)
4484 9a1d78f82826 updated for version 7.3.990 Bram Moolenaar <bram@vim.org> parents: 4482 diff changeset	3364 goto theend;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3365 PUSH(frag(s, list1(&s->out)));
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3366 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3367
4740 97560c16ca99 updated for version 7.3.1117 Bram Moolenaar <bram@vim.org> parents: 4738 diff changeset	3368 case NFA_OPT_CHARS:
97560c16ca99 updated for version 7.3.1117 Bram Moolenaar <bram@vim.org> parents: 4738 diff changeset	3369 {
97560c16ca99 updated for version 7.3.1117 Bram Moolenaar <bram@vim.org> parents: 4738 diff changeset	3370 int n;
97560c16ca99 updated for version 7.3.1117 Bram Moolenaar <bram@vim.org> parents: 4738 diff changeset	3371
5255 3c6e2b89875f updated for version 7.4b.004 Bram Moolenaar <bram@vim.org> parents: 5253 diff changeset	3372 /* \%[abc] implemented as:
3c6e2b89875f updated for version 7.4b.004 Bram Moolenaar <bram@vim.org> parents: 5253 diff changeset	3373 * NFA_SPLIT
3c6e2b89875f updated for version 7.4b.004 Bram Moolenaar <bram@vim.org> parents: 5253 diff changeset	3374 * +-CHAR(a)
3c6e2b89875f updated for version 7.4b.004 Bram Moolenaar <bram@vim.org> parents: 5253 diff changeset	3375 * \| +-NFA_SPLIT
3c6e2b89875f updated for version 7.4b.004 Bram Moolenaar <bram@vim.org> parents: 5253 diff changeset	3376 * \| +-CHAR(b)
3c6e2b89875f updated for version 7.4b.004 Bram Moolenaar <bram@vim.org> parents: 5253 diff changeset	3377 * \| \| +-NFA_SPLIT
3c6e2b89875f updated for version 7.4b.004 Bram Moolenaar <bram@vim.org> parents: 5253 diff changeset	3378 * \| \| +-CHAR(c)
3c6e2b89875f updated for version 7.4b.004 Bram Moolenaar <bram@vim.org> parents: 5253 diff changeset	3379 * \| \| \| +-next
3c6e2b89875f updated for version 7.4b.004 Bram Moolenaar <bram@vim.org> parents: 5253 diff changeset	3380 * \| \| +- next
3c6e2b89875f updated for version 7.4b.004 Bram Moolenaar <bram@vim.org> parents: 5253 diff changeset	3381 * \| +- next
3c6e2b89875f updated for version 7.4b.004 Bram Moolenaar <bram@vim.org> parents: 5253 diff changeset	3382 * +- next
3c6e2b89875f updated for version 7.4b.004 Bram Moolenaar <bram@vim.org> parents: 5253 diff changeset	3383 */
4740 97560c16ca99 updated for version 7.3.1117 Bram Moolenaar <bram@vim.org> parents: 4738 diff changeset	3384 n = ++p; / get number of characters */
97560c16ca99 updated for version 7.3.1117 Bram Moolenaar <bram@vim.org> parents: 4738 diff changeset	3385 if (nfa_calc_size == TRUE)
97560c16ca99 updated for version 7.3.1117 Bram Moolenaar <bram@vim.org> parents: 4738 diff changeset	3386 {
97560c16ca99 updated for version 7.3.1117 Bram Moolenaar <bram@vim.org> parents: 4738 diff changeset	3387 nstate += n;
97560c16ca99 updated for version 7.3.1117 Bram Moolenaar <bram@vim.org> parents: 4738 diff changeset	3388 break;
97560c16ca99 updated for version 7.3.1117 Bram Moolenaar <bram@vim.org> parents: 4738 diff changeset	3389 }
4758 b25a1b2e3175 updated for version 7.3.1126 Bram Moolenaar <bram@vim.org> parents: 4756 diff changeset	3390 s = NULL; /* avoid compiler warning */
4740 97560c16ca99 updated for version 7.3.1117 Bram Moolenaar <bram@vim.org> parents: 4738 diff changeset	3391 e1.out = NULL; /* stores list with out1's */
97560c16ca99 updated for version 7.3.1117 Bram Moolenaar <bram@vim.org> parents: 4738 diff changeset	3392 s1 = NULL; /* previous NFA_SPLIT to connect to */
97560c16ca99 updated for version 7.3.1117 Bram Moolenaar <bram@vim.org> parents: 4738 diff changeset	3393 while (n-- > 0)
97560c16ca99 updated for version 7.3.1117 Bram Moolenaar <bram@vim.org> parents: 4738 diff changeset	3394 {
97560c16ca99 updated for version 7.3.1117 Bram Moolenaar <bram@vim.org> parents: 4738 diff changeset	3395 e = POP(); /* get character */
97560c16ca99 updated for version 7.3.1117 Bram Moolenaar <bram@vim.org> parents: 4738 diff changeset	3396 s = alloc_state(NFA_SPLIT, e.start, NULL);
97560c16ca99 updated for version 7.3.1117 Bram Moolenaar <bram@vim.org> parents: 4738 diff changeset	3397 if (s == NULL)
97560c16ca99 updated for version 7.3.1117 Bram Moolenaar <bram@vim.org> parents: 4738 diff changeset	3398 goto theend;
97560c16ca99 updated for version 7.3.1117 Bram Moolenaar <bram@vim.org> parents: 4738 diff changeset	3399 if (e1.out == NULL)
97560c16ca99 updated for version 7.3.1117 Bram Moolenaar <bram@vim.org> parents: 4738 diff changeset	3400 e1 = e;
97560c16ca99 updated for version 7.3.1117 Bram Moolenaar <bram@vim.org> parents: 4738 diff changeset	3401 patch(e.out, s1);
97560c16ca99 updated for version 7.3.1117 Bram Moolenaar <bram@vim.org> parents: 4738 diff changeset	3402 append(e1.out, list1(&s->out1));
97560c16ca99 updated for version 7.3.1117 Bram Moolenaar <bram@vim.org> parents: 4738 diff changeset	3403 s1 = s;
97560c16ca99 updated for version 7.3.1117 Bram Moolenaar <bram@vim.org> parents: 4738 diff changeset	3404 }
97560c16ca99 updated for version 7.3.1117 Bram Moolenaar <bram@vim.org> parents: 4738 diff changeset	3405 PUSH(frag(s, e1.out));
97560c16ca99 updated for version 7.3.1117 Bram Moolenaar <bram@vim.org> parents: 4738 diff changeset	3406 break;
97560c16ca99 updated for version 7.3.1117 Bram Moolenaar <bram@vim.org> parents: 4738 diff changeset	3407 }
97560c16ca99 updated for version 7.3.1117 Bram Moolenaar <bram@vim.org> parents: 4738 diff changeset	3408
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3409 case NFA_PREV_ATOM_NO_WIDTH:
4661 0dce3d812e7a updated for version 7.3.1078 Bram Moolenaar <bram@vim.org> parents: 4657 diff changeset	3410 case NFA_PREV_ATOM_NO_WIDTH_NEG:
4682 2f51ee8825db updated for version 7.3.1088 Bram Moolenaar <bram@vim.org> parents: 4679 diff changeset	3411 case NFA_PREV_ATOM_JUST_BEFORE:
2f51ee8825db updated for version 7.3.1088 Bram Moolenaar <bram@vim.org> parents: 4679 diff changeset	3412 case NFA_PREV_ATOM_JUST_BEFORE_NEG:
4750 7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	3413 case NFA_PREV_ATOM_LIKE_PATTERN:
4740 97560c16ca99 updated for version 7.3.1117 Bram Moolenaar <bram@vim.org> parents: 4738 diff changeset	3414 {
97560c16ca99 updated for version 7.3.1117 Bram Moolenaar <bram@vim.org> parents: 4738 diff changeset	3415 int before = (*p == NFA_PREV_ATOM_JUST_BEFORE
97560c16ca99 updated for version 7.3.1117 Bram Moolenaar <bram@vim.org> parents: 4738 diff changeset	3416 \|\| *p == NFA_PREV_ATOM_JUST_BEFORE_NEG);
4750 7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	3417 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	3418 int start_state;
3b5a023a4543 updated for version 7.3.1139 Bram Moolenaar <bram@vim.org> parents: 4783 diff changeset	3419 int end_state;
4750 7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	3420 int n = 0;
7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	3421 nfa_state_T *zend;
7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	3422 nfa_state_T *skip;
7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	3423
4785 3b5a023a4543 updated for version 7.3.1139 Bram Moolenaar <bram@vim.org> parents: 4783 diff changeset	3424 switch (*p)
4750 7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	3425 {
4785 3b5a023a4543 updated for version 7.3.1139 Bram Moolenaar <bram@vim.org> parents: 4783 diff changeset	3426 case NFA_PREV_ATOM_NO_WIDTH:
3b5a023a4543 updated for version 7.3.1139 Bram Moolenaar <bram@vim.org> parents: 4783 diff changeset	3427 start_state = NFA_START_INVISIBLE;
3b5a023a4543 updated for version 7.3.1139 Bram Moolenaar <bram@vim.org> parents: 4783 diff changeset	3428 end_state = NFA_END_INVISIBLE;
3b5a023a4543 updated for version 7.3.1139 Bram Moolenaar <bram@vim.org> parents: 4783 diff changeset	3429 break;
3b5a023a4543 updated for version 7.3.1139 Bram Moolenaar <bram@vim.org> parents: 4783 diff changeset	3430 case NFA_PREV_ATOM_NO_WIDTH_NEG:
3b5a023a4543 updated for version 7.3.1139 Bram Moolenaar <bram@vim.org> parents: 4783 diff changeset	3431 start_state = NFA_START_INVISIBLE_NEG;
3b5a023a4543 updated for version 7.3.1139 Bram Moolenaar <bram@vim.org> parents: 4783 diff changeset	3432 end_state = NFA_END_INVISIBLE_NEG;
3b5a023a4543 updated for version 7.3.1139 Bram Moolenaar <bram@vim.org> parents: 4783 diff changeset	3433 break;
3b5a023a4543 updated for version 7.3.1139 Bram Moolenaar <bram@vim.org> parents: 4783 diff changeset	3434 case NFA_PREV_ATOM_JUST_BEFORE:
3b5a023a4543 updated for version 7.3.1139 Bram Moolenaar <bram@vim.org> parents: 4783 diff changeset	3435 start_state = NFA_START_INVISIBLE_BEFORE;
3b5a023a4543 updated for version 7.3.1139 Bram Moolenaar <bram@vim.org> parents: 4783 diff changeset	3436 end_state = NFA_END_INVISIBLE;
3b5a023a4543 updated for version 7.3.1139 Bram Moolenaar <bram@vim.org> parents: 4783 diff changeset	3437 break;
3b5a023a4543 updated for version 7.3.1139 Bram Moolenaar <bram@vim.org> parents: 4783 diff changeset	3438 case NFA_PREV_ATOM_JUST_BEFORE_NEG:
3b5a023a4543 updated for version 7.3.1139 Bram Moolenaar <bram@vim.org> parents: 4783 diff changeset	3439 start_state = NFA_START_INVISIBLE_BEFORE_NEG;
3b5a023a4543 updated for version 7.3.1139 Bram Moolenaar <bram@vim.org> parents: 4783 diff changeset	3440 end_state = NFA_END_INVISIBLE_NEG;
3b5a023a4543 updated for version 7.3.1139 Bram Moolenaar <bram@vim.org> parents: 4783 diff changeset	3441 break;
4819 8c4324e6f477 updated for version 7.3.1156 Bram Moolenaar <bram@vim.org> parents: 4815 diff changeset	3442 default: /* NFA_PREV_ATOM_LIKE_PATTERN: */
4785 3b5a023a4543 updated for version 7.3.1139 Bram Moolenaar <bram@vim.org> parents: 4783 diff changeset	3443 start_state = NFA_START_PATTERN;
3b5a023a4543 updated for version 7.3.1139 Bram Moolenaar <bram@vim.org> parents: 4783 diff changeset	3444 end_state = NFA_END_PATTERN;
3b5a023a4543 updated for version 7.3.1139 Bram Moolenaar <bram@vim.org> parents: 4783 diff changeset	3445 break;
4750 7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	3446 }
4740 97560c16ca99 updated for version 7.3.1117 Bram Moolenaar <bram@vim.org> parents: 4738 diff changeset	3447
97560c16ca99 updated for version 7.3.1117 Bram Moolenaar <bram@vim.org> parents: 4738 diff changeset	3448 if (before)
97560c16ca99 updated for version 7.3.1117 Bram Moolenaar <bram@vim.org> parents: 4738 diff changeset	3449 n = ++p; / get the count */
97560c16ca99 updated for version 7.3.1117 Bram Moolenaar <bram@vim.org> parents: 4738 diff changeset	3450
4657 93b7ed814bec updated for version 7.3.1076 Bram Moolenaar <bram@vim.org> parents: 4655 diff changeset	3451 /* The \@= operator: match the preceding atom with zero width.
4661 0dce3d812e7a updated for version 7.3.1078 Bram Moolenaar <bram@vim.org> parents: 4657 diff changeset	3452 * The \@! operator: no match for the preceding atom.
4682 2f51ee8825db updated for version 7.3.1088 Bram Moolenaar <bram@vim.org> parents: 4679 diff changeset	3453 * The \@<= operator: match for the preceding atom.
2f51ee8825db updated for version 7.3.1088 Bram Moolenaar <bram@vim.org> parents: 4679 diff changeset	3454 * The \@<! operator: no match for the preceding atom.
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3455 * Surrounds the preceding atom with START_INVISIBLE and
4657 93b7ed814bec updated for version 7.3.1076 Bram Moolenaar <bram@vim.org> parents: 4655 diff changeset	3456 * END_INVISIBLE, similarly to MOPEN. */
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3457
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3458 if (nfa_calc_size == TRUE)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3459 {
4750 7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	3460 nstate += pattern ? 4 : 2;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3461 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3462 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3463 e = POP();
4750 7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	3464 s1 = alloc_state(end_state, NULL, NULL);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3465 if (s1 == NULL)
4484 9a1d78f82826 updated for version 7.3.990 Bram Moolenaar <bram@vim.org> parents: 4482 diff changeset	3466 goto theend;
4750 7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	3467
7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	3468 s = alloc_state(start_state, e.start, s1);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3469 if (s == NULL)
4484 9a1d78f82826 updated for version 7.3.990 Bram Moolenaar <bram@vim.org> parents: 4482 diff changeset	3470 goto theend;
4750 7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	3471 if (pattern)
4682 2f51ee8825db updated for version 7.3.1088 Bram Moolenaar <bram@vim.org> parents: 4679 diff changeset	3472 {
4750 7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	3473 /* NFA_ZEND -> NFA_END_PATTERN -> NFA_SKIP -> what follows. */
7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	3474 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	3475 if (skip == NULL)
a941848d8c44 patch 8.0.0828: Coverity: may dereference NULL pointer Christian Brabandt <cb@256bit.org> parents: 11525 diff changeset	3476 goto theend;
4750 7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	3477 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	3478 if (zend == NULL)
a941848d8c44 patch 8.0.0828: Coverity: may dereference NULL pointer Christian Brabandt <cb@256bit.org> parents: 11525 diff changeset	3479 goto theend;
4750 7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	3480 s1->out= skip;
7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	3481 patch(e.out, zend);
7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	3482 PUSH(frag(s, list1(&skip->out)));
4682 2f51ee8825db updated for version 7.3.1088 Bram Moolenaar <bram@vim.org> parents: 4679 diff changeset	3483 }
4750 7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	3484 else
7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	3485 {
7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	3486 patch(e.out, s1);
7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	3487 PUSH(frag(s, list1(&s1->out)));
4807 3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3488 if (before)
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3489 {
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3490 if (n <= 0)
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3491 /* See if we can guess the maximum width, it avoids a
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3492 * lot of pointless tries. */
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3493 n = nfa_max_width(e.start, 0);
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3494 s->val = n; /* store the count */
3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	3495 }
4750 7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	3496 }
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3497 break;
4740 97560c16ca99 updated for version 7.3.1117 Bram Moolenaar <bram@vim.org> parents: 4738 diff changeset	3498 }
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3499
4527 55bcaa1d2749 updated for version 7.3.1011 Bram Moolenaar <bram@vim.org> parents: 4525 diff changeset	3500 case NFA_COMPOSING: /* char with composing char */
55bcaa1d2749 updated for version 7.3.1011 Bram Moolenaar <bram@vim.org> parents: 4525 diff changeset	3501 #if 0
55bcaa1d2749 updated for version 7.3.1011 Bram Moolenaar <bram@vim.org> parents: 4525 diff changeset	3502 /* TODO */
55bcaa1d2749 updated for version 7.3.1011 Bram Moolenaar <bram@vim.org> parents: 4525 diff changeset	3503 if (regflags & RF_ICOMBINE)
55bcaa1d2749 updated for version 7.3.1011 Bram Moolenaar <bram@vim.org> parents: 4525 diff changeset	3504 {
4529 432a6b8c7d93 updated for version 7.3.1012 Bram Moolenaar <bram@vim.org> parents: 4527 diff changeset	3505 /* use the base character only */
4527 55bcaa1d2749 updated for version 7.3.1011 Bram Moolenaar <bram@vim.org> parents: 4525 diff changeset	3506 }
55bcaa1d2749 updated for version 7.3.1011 Bram Moolenaar <bram@vim.org> parents: 4525 diff changeset	3507 #endif
55bcaa1d2749 updated for version 7.3.1011 Bram Moolenaar <bram@vim.org> parents: 4525 diff changeset	3508 /* FALLTHROUGH */
55bcaa1d2749 updated for version 7.3.1011 Bram Moolenaar <bram@vim.org> parents: 4525 diff changeset	3509
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3510 case NFA_MOPEN: /* Submatch */
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3511 case NFA_MOPEN1:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3512 case NFA_MOPEN2:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3513 case NFA_MOPEN3:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3514 case NFA_MOPEN4:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3515 case NFA_MOPEN5:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3516 case NFA_MOPEN6:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3517 case NFA_MOPEN7:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3518 case NFA_MOPEN8:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3519 case NFA_MOPEN9:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3520 #ifdef FEAT_SYN_HL
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3521 case NFA_ZOPEN: /* \z( \) Submatch */
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3522 case NFA_ZOPEN1:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3523 case NFA_ZOPEN2:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3524 case NFA_ZOPEN3:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3525 case NFA_ZOPEN4:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3526 case NFA_ZOPEN5:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3527 case NFA_ZOPEN6:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3528 case NFA_ZOPEN7:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3529 case NFA_ZOPEN8:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3530 case NFA_ZOPEN9:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3531 #endif
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3532 case NFA_NOPEN: /* \%( \) "Invisible Submatch" */
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3533 if (nfa_calc_size == TRUE)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3534 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3535 nstate += 2;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3536 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3537 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3538
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3539 mopen = *p;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3540 switch (*p)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3541 {
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3542 case NFA_NOPEN: mclose = NFA_NCLOSE; break;
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3543 #ifdef FEAT_SYN_HL
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3544 case NFA_ZOPEN: mclose = NFA_ZCLOSE; break;
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3545 case NFA_ZOPEN1: mclose = NFA_ZCLOSE1; break;
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3546 case NFA_ZOPEN2: mclose = NFA_ZCLOSE2; break;
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3547 case NFA_ZOPEN3: mclose = NFA_ZCLOSE3; break;
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3548 case NFA_ZOPEN4: mclose = NFA_ZCLOSE4; break;
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3549 case NFA_ZOPEN5: mclose = NFA_ZCLOSE5; break;
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3550 case NFA_ZOPEN6: mclose = NFA_ZCLOSE6; break;
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3551 case NFA_ZOPEN7: mclose = NFA_ZCLOSE7; break;
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3552 case NFA_ZOPEN8: mclose = NFA_ZCLOSE8; break;
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3553 case NFA_ZOPEN9: mclose = NFA_ZCLOSE9; break;
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3554 #endif
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3555 case NFA_COMPOSING: mclose = NFA_END_COMPOSING; break;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3556 default:
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3557 /* NFA_MOPEN, NFA_MOPEN1 .. NFA_MOPEN9 */
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3558 mclose = *p + NSUBEXP;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3559 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3560 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3561
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3562 /* Allow "NFA_MOPEN" as a valid postfix representation for
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3563 * the empty regexp "". In this case, the NFA will be
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3564 * NFA_MOPEN -> NFA_MCLOSE. Note that this also allows
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3565 * empty groups of parenthesis, and empty mbyte chars */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3566 if (stackp == stack)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3567 {
4696 ed4e689bbea1 updated for version 7.3.1095 Bram Moolenaar <bram@vim.org> parents: 4694 diff changeset	3568 s = alloc_state(mopen, NULL, NULL);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3569 if (s == NULL)
4484 9a1d78f82826 updated for version 7.3.990 Bram Moolenaar <bram@vim.org> parents: 4482 diff changeset	3570 goto theend;
4696 ed4e689bbea1 updated for version 7.3.1095 Bram Moolenaar <bram@vim.org> parents: 4694 diff changeset	3571 s1 = alloc_state(mclose, NULL, NULL);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3572 if (s1 == NULL)
4484 9a1d78f82826 updated for version 7.3.990 Bram Moolenaar <bram@vim.org> parents: 4482 diff changeset	3573 goto theend;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3574 patch(list1(&s->out), s1);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3575 PUSH(frag(s, list1(&s1->out)));
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3576 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3577 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3578
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3579 /* At least one node was emitted before NFA_MOPEN, so
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3580 * at least one node will be between NFA_MOPEN and NFA_MCLOSE */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3581 e = POP();
4696 ed4e689bbea1 updated for version 7.3.1095 Bram Moolenaar <bram@vim.org> parents: 4694 diff changeset	3582 s = alloc_state(mopen, e.start, NULL); /* `(' */
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3583 if (s == NULL)
4484 9a1d78f82826 updated for version 7.3.990 Bram Moolenaar <bram@vim.org> parents: 4482 diff changeset	3584 goto theend;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3585
4696 ed4e689bbea1 updated for version 7.3.1095 Bram Moolenaar <bram@vim.org> parents: 4694 diff changeset	3586 s1 = alloc_state(mclose, NULL, NULL); /* `)' */
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3587 if (s1 == NULL)
4484 9a1d78f82826 updated for version 7.3.990 Bram Moolenaar <bram@vim.org> parents: 4482 diff changeset	3588 goto theend;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3589 patch(e.out, s1);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3590
4527 55bcaa1d2749 updated for version 7.3.1011 Bram Moolenaar <bram@vim.org> parents: 4525 diff changeset	3591 if (mopen == NFA_COMPOSING)
55bcaa1d2749 updated for version 7.3.1011 Bram Moolenaar <bram@vim.org> parents: 4525 diff changeset	3592 /* COMPOSING->out1 = END_COMPOSING */
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3593 patch(list1(&s->out1), s1);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3594
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
4571 b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	3598 case NFA_BACKREF1:
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	3599 case NFA_BACKREF2:
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	3600 case NFA_BACKREF3:
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	3601 case NFA_BACKREF4:
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	3602 case NFA_BACKREF5:
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	3603 case NFA_BACKREF6:
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	3604 case NFA_BACKREF7:
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	3605 case NFA_BACKREF8:
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	3606 case NFA_BACKREF9:
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3607 #ifdef FEAT_SYN_HL
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3608 case NFA_ZREF1:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3609 case NFA_ZREF2:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3610 case NFA_ZREF3:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3611 case NFA_ZREF4:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3612 case NFA_ZREF5:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3613 case NFA_ZREF6:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3614 case NFA_ZREF7:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3615 case NFA_ZREF8:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3616 case NFA_ZREF9:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3617 #endif
4571 b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	3618 if (nfa_calc_size == TRUE)
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	3619 {
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	3620 nstate += 2;
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	3621 break;
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	3622 }
4696 ed4e689bbea1 updated for version 7.3.1095 Bram Moolenaar <bram@vim.org> parents: 4694 diff changeset	3623 s = alloc_state(*p, NULL, NULL);
4571 b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	3624 if (s == NULL)
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	3625 goto theend;
4696 ed4e689bbea1 updated for version 7.3.1095 Bram Moolenaar <bram@vim.org> parents: 4694 diff changeset	3626 s1 = alloc_state(NFA_SKIP, NULL, NULL);
4571 b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	3627 if (s1 == NULL)
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	3628 goto theend;
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	3629 patch(list1(&s->out), s1);
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	3630 PUSH(frag(s, list1(&s1->out)));
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	3631 break;
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	3632
4583 321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	3633 case NFA_LNUM:
321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	3634 case NFA_LNUM_GT:
321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	3635 case NFA_LNUM_LT:
321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	3636 case NFA_VCOL:
321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	3637 case NFA_VCOL_GT:
321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	3638 case NFA_VCOL_LT:
321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	3639 case NFA_COL:
321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	3640 case NFA_COL_GT:
321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	3641 case NFA_COL_LT:
4732 0798b096bab3 updated for version 7.3.1113 Bram Moolenaar <bram@vim.org> parents: 4730 diff changeset	3642 case NFA_MARK:
0798b096bab3 updated for version 7.3.1113 Bram Moolenaar <bram@vim.org> parents: 4730 diff changeset	3643 case NFA_MARK_GT:
0798b096bab3 updated for version 7.3.1113 Bram Moolenaar <bram@vim.org> parents: 4730 diff changeset	3644 case NFA_MARK_LT:
4740 97560c16ca99 updated for version 7.3.1117 Bram Moolenaar <bram@vim.org> parents: 4738 diff changeset	3645 {
97560c16ca99 updated for version 7.3.1117 Bram Moolenaar <bram@vim.org> parents: 4738 diff changeset	3646 int n = ++p; / lnum, col or mark name */
97560c16ca99 updated for version 7.3.1117 Bram Moolenaar <bram@vim.org> parents: 4738 diff changeset	3647
4583 321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	3648 if (nfa_calc_size == TRUE)
321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	3649 {
321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	3650 nstate += 1;
321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	3651 break;
321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	3652 }
4740 97560c16ca99 updated for version 7.3.1117 Bram Moolenaar <bram@vim.org> parents: 4738 diff changeset	3653 s = alloc_state(p[-1], NULL, NULL);
4583 321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	3654 if (s == NULL)
321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	3655 goto theend;
4740 97560c16ca99 updated for version 7.3.1117 Bram Moolenaar <bram@vim.org> parents: 4738 diff changeset	3656 s->val = n;
4583 321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	3657 PUSH(frag(s, list1(&s->out)));
321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	3658 break;
4740 97560c16ca99 updated for version 7.3.1117 Bram Moolenaar <bram@vim.org> parents: 4738 diff changeset	3659 }
4583 321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	3660
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3661 case NFA_ZSTART:
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3662 case NFA_ZEND:
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3663 default:
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3664 /* Operands */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3665 if (nfa_calc_size == TRUE)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3666 {
4458 21e13403140a updated for version 7.3.977 Bram Moolenaar <bram@vim.org> parents: 4456 diff changeset	3667 nstate++;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3668 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3669 }
4696 ed4e689bbea1 updated for version 7.3.1095 Bram Moolenaar <bram@vim.org> parents: 4694 diff changeset	3670 s = alloc_state(*p, NULL, NULL);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3671 if (s == NULL)
4484 9a1d78f82826 updated for version 7.3.990 Bram Moolenaar <bram@vim.org> parents: 4482 diff changeset	3672 goto theend;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3673 PUSH(frag(s, list1(&s->out)));
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3674 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3675
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3676 } /* switch(p) /
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3677
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3678 } /* for(p = postfix; p; ++p) /
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3679
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3680 if (nfa_calc_size == TRUE)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3681 {
4458 21e13403140a updated for version 7.3.977 Bram Moolenaar <bram@vim.org> parents: 4456 diff changeset	3682 nstate++;
4484 9a1d78f82826 updated for version 7.3.990 Bram Moolenaar <bram@vim.org> parents: 4482 diff changeset	3683 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	3684 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3685
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3686 e = POP();
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3687 if (stackp != stack)
6747 4c4c8a53347b patch 7.4.696 Bram Moolenaar <bram@vim.org> parents: 6653 diff changeset	3688 {
4c4c8a53347b patch 7.4.696 Bram Moolenaar <bram@vim.org> parents: 6653 diff changeset	3689 vim_free(stack);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3690 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	3691 }
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3692
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3693 if (istate >= nstate)
6747 4c4c8a53347b patch 7.4.696 Bram Moolenaar <bram@vim.org> parents: 6653 diff changeset	3694 {
4c4c8a53347b patch 7.4.696 Bram Moolenaar <bram@vim.org> parents: 6653 diff changeset	3695 vim_free(stack);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3696 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	3697 }
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3698
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3699 matchstate = &state_ptr[istate++]; /* the match state */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3700 matchstate->c = NFA_MATCH;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3701 matchstate->out = matchstate->out1 = NULL;
4781 c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	3702 matchstate->id = 0;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3703
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3704 patch(e.out, matchstate);
4484 9a1d78f82826 updated for version 7.3.990 Bram Moolenaar <bram@vim.org> parents: 4482 diff changeset	3705 ret = e.start;
9a1d78f82826 updated for version 7.3.990 Bram Moolenaar <bram@vim.org> parents: 4482 diff changeset	3706
9a1d78f82826 updated for version 7.3.990 Bram Moolenaar <bram@vim.org> parents: 4482 diff changeset	3707 theend:
9a1d78f82826 updated for version 7.3.990 Bram Moolenaar <bram@vim.org> parents: 4482 diff changeset	3708 vim_free(stack);
9a1d78f82826 updated for version 7.3.990 Bram Moolenaar <bram@vim.org> parents: 4482 diff changeset	3709 return ret;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3710
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3711 #undef POP1
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3712 #undef PUSH1
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3713 #undef POP2
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3714 #undef PUSH2
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3715 #undef POP
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3716 #undef PUSH
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3717 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3718
4845 a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	3719 /*
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	3720 * 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	3721 */
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	3722 static void
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	3723 nfa_postprocess(nfa_regprog_T *prog)
4845 a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	3724 {
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	3725 int i;
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	3726 int c;
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	3727
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	3728 for (i = 0; i < prog->nstate; ++i)
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	3729 {
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	3730 c = prog->state[i].c;
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	3731 if (c == NFA_START_INVISIBLE
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	3732 \|\| c == NFA_START_INVISIBLE_NEG
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	3733 \|\| c == NFA_START_INVISIBLE_BEFORE
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	3734 \|\| c == NFA_START_INVISIBLE_BEFORE_NEG)
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	3735 {
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	3736 int directly;
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	3737
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	3738 /* Do it directly when what follows is possibly the end of the
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	3739 * match. */
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	3740 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	3741 directly = TRUE;
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	3742 else
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	3743 {
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	3744 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	3745 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	3746
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	3747 /* Postpone when the invisible match is expensive or has a
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	3748 * lower chance of failing. */
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	3749 if (c == NFA_START_INVISIBLE_BEFORE
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	3750 \|\| c == NFA_START_INVISIBLE_BEFORE_NEG)
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	3751 {
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	3752 /* "before" matches are very expensive when
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	3753 * unbounded, always prefer what follows then,
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	3754 * unless what follows will always match.
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	3755 * Otherwise strongly prefer what follows. */
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	3756 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	3757 directly = FALSE;
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	3758 else
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	3759 directly = ch_follows * 10 < ch_invisible;
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	3760 }
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	3761 else
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	3762 {
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	3763 /* normal invisible, first do the one with the
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	3764 * highest failure chance */
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	3765 directly = ch_follows < ch_invisible;
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	3766 }
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	3767 }
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	3768 if (directly)
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	3769 /* switch to the _FIRST state */
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	3770 ++prog->state[i].c;
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	3771 }
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	3772 }
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	3773 }
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	3774
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3775 /****************************************************************
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3776 * NFA execution code.
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3777 ****************************************************************/
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3778
4563 e7016af0cbf9 updated for version 7.3.1029 Bram Moolenaar <bram@vim.org> parents: 4561 diff changeset	3779 typedef struct
e7016af0cbf9 updated for version 7.3.1029 Bram Moolenaar <bram@vim.org> parents: 4561 diff changeset	3780 {
e7016af0cbf9 updated for version 7.3.1029 Bram Moolenaar <bram@vim.org> parents: 4561 diff changeset	3781 int in_use; /* number of subexpr with useful info */
e7016af0cbf9 updated for version 7.3.1029 Bram Moolenaar <bram@vim.org> parents: 4561 diff changeset	3782
4577 b22bff1a6af8 updated for version 7.3.1036 Bram Moolenaar <bram@vim.org> parents: 4573 diff changeset	3783 /* 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	3784 union
e7016af0cbf9 updated for version 7.3.1029 Bram Moolenaar <bram@vim.org> parents: 4561 diff changeset	3785 {
e7016af0cbf9 updated for version 7.3.1029 Bram Moolenaar <bram@vim.org> parents: 4561 diff changeset	3786 struct multipos
e7016af0cbf9 updated for version 7.3.1029 Bram Moolenaar <bram@vim.org> parents: 4561 diff changeset	3787 {
6547 436d6c9e57f2 updated for version 7.4.600 Bram Moolenaar <bram@vim.org> parents: 6545 diff changeset	3788 linenr_T start_lnum;
436d6c9e57f2 updated for version 7.4.600 Bram Moolenaar <bram@vim.org> parents: 6545 diff changeset	3789 linenr_T end_lnum;
436d6c9e57f2 updated for version 7.4.600 Bram Moolenaar <bram@vim.org> parents: 6545 diff changeset	3790 colnr_T start_col;
436d6c9e57f2 updated for version 7.4.600 Bram Moolenaar <bram@vim.org> parents: 6545 diff changeset	3791 colnr_T end_col;
4577 b22bff1a6af8 updated for version 7.3.1036 Bram Moolenaar <bram@vim.org> parents: 4573 diff changeset	3792 } multi[NSUBEXP];
4563 e7016af0cbf9 updated for version 7.3.1029 Bram Moolenaar <bram@vim.org> parents: 4561 diff changeset	3793 struct linepos
e7016af0cbf9 updated for version 7.3.1029 Bram Moolenaar <bram@vim.org> parents: 4561 diff changeset	3794 {
e7016af0cbf9 updated for version 7.3.1029 Bram Moolenaar <bram@vim.org> parents: 4561 diff changeset	3795 char_u *start;
e7016af0cbf9 updated for version 7.3.1029 Bram Moolenaar <bram@vim.org> parents: 4561 diff changeset	3796 char_u *end;
4577 b22bff1a6af8 updated for version 7.3.1036 Bram Moolenaar <bram@vim.org> parents: 4573 diff changeset	3797 } line[NSUBEXP];
b22bff1a6af8 updated for version 7.3.1036 Bram Moolenaar <bram@vim.org> parents: 4573 diff changeset	3798 } list;
4563 e7016af0cbf9 updated for version 7.3.1029 Bram Moolenaar <bram@vim.org> parents: 4561 diff changeset	3799 } regsub_T;
e7016af0cbf9 updated for version 7.3.1029 Bram Moolenaar <bram@vim.org> parents: 4561 diff changeset	3800
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3801 typedef struct
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3802 {
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3803 regsub_T norm; /* $ .. $ matches */
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3804 #ifdef FEAT_SYN_HL
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3805 regsub_T synt; /* \z( .. \) matches */
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3806 #endif
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3807 } regsubs_T;
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3808
4726 3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	3809 /* nfa_pim_T stores a Postponed Invisible Match. */
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	3810 typedef struct nfa_pim_S nfa_pim_T;
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	3811 struct nfa_pim_S
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	3812 {
4813 bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	3813 int result; /* NFA_PIM_, see below /
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	3814 nfa_state_T state; / the invisible match start state */
4726 3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	3815 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	3816 union
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	3817 {
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	3818 lpos_T pos;
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	3819 char_u *ptr;
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	3820 } end; /* where the match must end */
4726 3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	3821 };
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	3822
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	3823 /* Values for done in nfa_pim_T. */
4813 bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	3824 #define NFA_PIM_UNUSED 0 /* pim not used */
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	3825 #define NFA_PIM_TODO 1 /* pim not done yet */
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	3826 #define NFA_PIM_MATCH 2 /* pim executed, matches */
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	3827 #define NFA_PIM_NOMATCH 3 /* pim executed, no match */
4726 3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	3828
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	3829
4561 4d81fdda8f35 updated for version 7.3.1028 Bram Moolenaar <bram@vim.org> parents: 4559 diff changeset	3830 /* 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	3831 typedef struct
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3832 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3833 nfa_state_T *state;
4571 b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	3834 int count;
4813 bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	3835 nfa_pim_T pim; /* if pim.result != NFA_PIM_UNUSED: postponed
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	3836 * invisible match */
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3837 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	3838 } nfa_thread_T;
532c2e850256 updated for version 7.3.1017 Bram Moolenaar <bram@vim.org> parents: 4537 diff changeset	3839
4561 4d81fdda8f35 updated for version 7.3.1028 Bram Moolenaar <bram@vim.org> parents: 4559 diff changeset	3840 /* 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	3841 typedef struct
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3842 {
4571 b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	3843 nfa_thread_T t; / allocated array of states */
4647 857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	3844 int n; /* nr of states currently in "t" */
857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	3845 int len; /* max nr of states in "t" */
4571 b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	3846 int id; /* ID of the list */
5227 a08fa2919f2b updated for version 7.4a.039 Bram Moolenaar <bram@vim.org> parents: 5221 diff changeset	3847 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	3848 } nfa_list_T;
532c2e850256 updated for version 7.3.1017 Bram Moolenaar <bram@vim.org> parents: 4537 diff changeset	3849
4571 b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	3850 #ifdef ENABLE_LOG
7805 0b6c37dd858d commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077 Christian Brabandt <cb@256bit.org> parents: 7258 diff changeset	3851 static void log_subexpr(regsub_T *sub);
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3852
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3853 static void
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	3854 log_subsexpr(regsubs_T *subs)
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3855 {
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3856 log_subexpr(&subs->norm);
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3857 # 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	3858 if (rex.nfa_has_zsubexpr)
4770 b20dbf3a5370 updated for version 7.3.1132 Bram Moolenaar <bram@vim.org> parents: 4768 diff changeset	3859 log_subexpr(&subs->synt);
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3860 # endif
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3861 }
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3862
4571 b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	3863 static void
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	3864 log_subexpr(regsub_T *sub)
4571 b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	3865 {
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	3866 int j;
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	3867
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	3868 for (j = 0; j < sub->in_use; j++)
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	3869 if (REG_MULTI)
4750 7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	3870 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	3871 j,
6547 436d6c9e57f2 updated for version 7.4.600 Bram Moolenaar <bram@vim.org> parents: 6545 diff changeset	3872 sub->list.multi[j].start_col,
436d6c9e57f2 updated for version 7.4.600 Bram Moolenaar <bram@vim.org> parents: 6545 diff changeset	3873 (int)sub->list.multi[j].start_lnum,
436d6c9e57f2 updated for version 7.4.600 Bram Moolenaar <bram@vim.org> parents: 6545 diff changeset	3874 sub->list.multi[j].end_col,
436d6c9e57f2 updated for version 7.4.600 Bram Moolenaar <bram@vim.org> parents: 6545 diff changeset	3875 (int)sub->list.multi[j].end_lnum);
4571 b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	3876 else
4746 d1376091d18b updated for version 7.3.1120 Bram Moolenaar <bram@vim.org> parents: 4744 diff changeset	3877 {
d1376091d18b updated for version 7.3.1120 Bram Moolenaar <bram@vim.org> parents: 4744 diff changeset	3878 char s = (char )sub->list.line[j].start;
d1376091d18b updated for version 7.3.1120 Bram Moolenaar <bram@vim.org> parents: 4744 diff changeset	3879 char e = (char )sub->list.line[j].end;
d1376091d18b updated for version 7.3.1120 Bram Moolenaar <bram@vim.org> parents: 4744 diff changeset	3880
4750 7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	3881 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	3882 j,
4746 d1376091d18b updated for version 7.3.1120 Bram Moolenaar <bram@vim.org> parents: 4744 diff changeset	3883 s == NULL ? "NULL" : s,
d1376091d18b updated for version 7.3.1120 Bram Moolenaar <bram@vim.org> parents: 4744 diff changeset	3884 e == NULL ? "NULL" : e);
d1376091d18b updated for version 7.3.1120 Bram Moolenaar <bram@vim.org> parents: 4744 diff changeset	3885 }
4571 b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	3886 }
4813 bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	3887
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	3888 static char *
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	3889 pim_info(nfa_pim_T *pim)
4813 bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	3890 {
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	3891 static char buf[30];
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	3892
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	3893 if (pim == NULL \|\| pim->result == NFA_PIM_UNUSED)
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	3894 buf[0] = NUL;
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	3895 else
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	3896 {
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	3897 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	3898 : (int)(pim->end.ptr - rex.input));
4813 bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	3899 }
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	3900 return buf;
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	3901 }
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	3902
4571 b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	3903 #endif
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	3904
4561 4d81fdda8f35 updated for version 7.3.1028 Bram Moolenaar <bram@vim.org> parents: 4559 diff changeset	3905 /* 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	3906 static int nfa_match;
6573 ffba266e064d updated for version 7.4.613 Bram Moolenaar <bram@vim.org> parents: 6547 diff changeset	3907 #ifdef FEAT_RELTIME
ffba266e064d updated for version 7.4.613 Bram Moolenaar <bram@vim.org> parents: 6547 diff changeset	3908 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	3909 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	3910 static int nfa_time_count;
6573 ffba266e064d updated for version 7.4.613 Bram Moolenaar <bram@vim.org> parents: 6547 diff changeset	3911 #endif
4561 4d81fdda8f35 updated for version 7.3.1028 Bram Moolenaar <bram@vim.org> parents: 4559 diff changeset	3912
7805 0b6c37dd858d commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077 Christian Brabandt <cb@256bit.org> parents: 7258 diff changeset	3913 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	3914 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	3915
4813 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 * 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	3918 */
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	3919 static void
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	3920 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	3921 {
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	3922 to->result = from->result;
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	3923 to->state = from->state;
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	3924 copy_sub(&to->subs.norm, &from->subs.norm);
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	3925 #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	3926 if (rex.nfa_has_zsubexpr)
4813 bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	3927 copy_sub(&to->subs.synt, &from->subs.synt);
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	3928 #endif
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	3929 to->end = from->end;
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	3930 }
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	3931
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3932 static void
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	3933 clear_sub(regsub_T *sub)
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3934 {
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3935 if (REG_MULTI)
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3936 /* Use 0xff to set lnum to -1 */
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3937 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	3938 sizeof(struct multipos) * rex.nfa_nsubexpr);
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3939 else
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	3940 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	3941 sizeof(struct linepos) * rex.nfa_nsubexpr);
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3942 sub->in_use = 0;
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3943 }
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3944
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3945 /*
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3946 * Copy the submatches from "from" to "to".
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3947 */
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3948 static void
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	3949 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	3950 {
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3951 to->in_use = from->in_use;
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3952 if (from->in_use > 0)
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3953 {
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3954 /* Copy the match start and end positions. */
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3955 if (REG_MULTI)
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3956 mch_memmove(&to->list.multi[0],
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3957 &from->list.multi[0],
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3958 sizeof(struct multipos) * from->in_use);
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3959 else
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3960 mch_memmove(&to->list.line[0],
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3961 &from->list.line[0],
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3962 sizeof(struct linepos) * from->in_use);
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 /*
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3967 * Like copy_sub() but exclude the main match.
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3968 */
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3969 static void
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	3970 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	3971 {
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3972 if (to->in_use < from->in_use)
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3973 to->in_use = from->in_use;
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3974 if (from->in_use > 1)
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3975 {
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3976 /* Copy the match start and end positions. */
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3977 if (REG_MULTI)
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3978 mch_memmove(&to->list.multi[1],
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3979 &from->list.multi[1],
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3980 sizeof(struct multipos) * (from->in_use - 1));
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3981 else
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3982 mch_memmove(&to->list.line[1],
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3983 &from->list.line[1],
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	3984 sizeof(struct linepos) * (from->in_use - 1));
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 }
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	3987
4647 857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	3988 /*
5372 c3d379c2a115 updated for version 7.4.037 Bram Moolenaar <bram@vim.org> parents: 5370 diff changeset	3989 * 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	3990 */
c3d379c2a115 updated for version 7.4.037 Bram Moolenaar <bram@vim.org> parents: 5370 diff changeset	3991 static void
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	3992 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	3993 {
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	3994 if (rex.nfa_has_zend)
5372 c3d379c2a115 updated for version 7.4.037 Bram Moolenaar <bram@vim.org> parents: 5370 diff changeset	3995 {
c3d379c2a115 updated for version 7.4.037 Bram Moolenaar <bram@vim.org> parents: 5370 diff changeset	3996 if (REG_MULTI)
c3d379c2a115 updated for version 7.4.037 Bram Moolenaar <bram@vim.org> parents: 5370 diff changeset	3997 {
6547 436d6c9e57f2 updated for version 7.4.600 Bram Moolenaar <bram@vim.org> parents: 6545 diff changeset	3998 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	3999 {
6547 436d6c9e57f2 updated for version 7.4.600 Bram Moolenaar <bram@vim.org> parents: 6545 diff changeset	4000 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	4001 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	4002 }
5372 c3d379c2a115 updated for version 7.4.037 Bram Moolenaar <bram@vim.org> parents: 5370 diff changeset	4003 }
c3d379c2a115 updated for version 7.4.037 Bram Moolenaar <bram@vim.org> parents: 5370 diff changeset	4004 else
c3d379c2a115 updated for version 7.4.037 Bram Moolenaar <bram@vim.org> parents: 5370 diff changeset	4005 {
c3d379c2a115 updated for version 7.4.037 Bram Moolenaar <bram@vim.org> parents: 5370 diff changeset	4006 if (from->list.line[0].end != NULL)
c3d379c2a115 updated for version 7.4.037 Bram Moolenaar <bram@vim.org> parents: 5370 diff changeset	4007 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	4008 }
c3d379c2a115 updated for version 7.4.037 Bram Moolenaar <bram@vim.org> parents: 5370 diff changeset	4009 }
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
c3d379c2a115 updated for version 7.4.037 Bram Moolenaar <bram@vim.org> parents: 5370 diff changeset	4012 /*
4893 07b9c48a30e9 updated for version 7.3.1192 Bram Moolenaar <bram@vim.org> parents: 4891 diff changeset	4013 * 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	4014 * 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	4015 */
857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	4016 static int
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	4017 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	4018 {
857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	4019 int i;
857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	4020 int todo;
4893 07b9c48a30e9 updated for version 7.3.1192 Bram Moolenaar <bram@vim.org> parents: 4891 diff changeset	4021 linenr_T s1;
07b9c48a30e9 updated for version 7.3.1192 Bram Moolenaar <bram@vim.org> parents: 4891 diff changeset	4022 linenr_T s2;
07b9c48a30e9 updated for version 7.3.1192 Bram Moolenaar <bram@vim.org> parents: 4891 diff changeset	4023 char_u *sp1;
07b9c48a30e9 updated for version 7.3.1192 Bram Moolenaar <bram@vim.org> parents: 4891 diff changeset	4024 char_u *sp2;
4647 857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	4025
857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	4026 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	4027 if (REG_MULTI)
857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	4028 {
857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	4029 for (i = 0; i < todo; ++i)
857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	4030 {
857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	4031 if (i < sub1->in_use)
6547 436d6c9e57f2 updated for version 7.4.600 Bram Moolenaar <bram@vim.org> parents: 6545 diff changeset	4032 s1 = sub1->list.multi[i].start_lnum;
4647 857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	4033 else
5006 f451d60ab8ec updated for version 7.3.1247 Bram Moolenaar <bram@vim.org> parents: 4997 diff changeset	4034 s1 = -1;
4647 857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	4035 if (i < sub2->in_use)
6547 436d6c9e57f2 updated for version 7.4.600 Bram Moolenaar <bram@vim.org> parents: 6545 diff changeset	4036 s2 = sub2->list.multi[i].start_lnum;
4647 857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	4037 else
5006 f451d60ab8ec updated for version 7.3.1247 Bram Moolenaar <bram@vim.org> parents: 4997 diff changeset	4038 s2 = -1;
4893 07b9c48a30e9 updated for version 7.3.1192 Bram Moolenaar <bram@vim.org> parents: 4891 diff changeset	4039 if (s1 != s2)
4647 857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	4040 return FALSE;
6547 436d6c9e57f2 updated for version 7.4.600 Bram Moolenaar <bram@vim.org> parents: 6545 diff changeset	4041 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	4042 != sub2->list.multi[i].start_col)
4647 857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	4043 return FALSE;
5893 99374096a76b updated for version 7.4.289 Bram Moolenaar <bram@vim.org> parents: 5838 diff changeset	4044
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	4045 if (rex.nfa_has_backref)
5893 99374096a76b updated for version 7.4.289 Bram Moolenaar <bram@vim.org> parents: 5838 diff changeset	4046 {
99374096a76b updated for version 7.4.289 Bram Moolenaar <bram@vim.org> parents: 5838 diff changeset	4047 if (i < sub1->in_use)
6547 436d6c9e57f2 updated for version 7.4.600 Bram Moolenaar <bram@vim.org> parents: 6545 diff changeset	4048 s1 = sub1->list.multi[i].end_lnum;
5893 99374096a76b updated for version 7.4.289 Bram Moolenaar <bram@vim.org> parents: 5838 diff changeset	4049 else
99374096a76b updated for version 7.4.289 Bram Moolenaar <bram@vim.org> parents: 5838 diff changeset	4050 s1 = -1;
99374096a76b updated for version 7.4.289 Bram Moolenaar <bram@vim.org> parents: 5838 diff changeset	4051 if (i < sub2->in_use)
6547 436d6c9e57f2 updated for version 7.4.600 Bram Moolenaar <bram@vim.org> parents: 6545 diff changeset	4052 s2 = sub2->list.multi[i].end_lnum;
5893 99374096a76b updated for version 7.4.289 Bram Moolenaar <bram@vim.org> parents: 5838 diff changeset	4053 else
99374096a76b updated for version 7.4.289 Bram Moolenaar <bram@vim.org> parents: 5838 diff changeset	4054 s2 = -1;
99374096a76b updated for version 7.4.289 Bram Moolenaar <bram@vim.org> parents: 5838 diff changeset	4055 if (s1 != s2)
99374096a76b updated for version 7.4.289 Bram Moolenaar <bram@vim.org> parents: 5838 diff changeset	4056 return FALSE;
6547 436d6c9e57f2 updated for version 7.4.600 Bram Moolenaar <bram@vim.org> parents: 6545 diff changeset	4057 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	4058 != sub2->list.multi[i].end_col)
5893 99374096a76b updated for version 7.4.289 Bram Moolenaar <bram@vim.org> parents: 5838 diff changeset	4059 return FALSE;
99374096a76b updated for version 7.4.289 Bram Moolenaar <bram@vim.org> parents: 5838 diff changeset	4060 }
4647 857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	4061 }
857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	4062 }
857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	4063 else
857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	4064 {
857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	4065 for (i = 0; i < todo; ++i)
857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	4066 {
857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	4067 if (i < sub1->in_use)
857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	4068 sp1 = sub1->list.line[i].start;
857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	4069 else
857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	4070 sp1 = NULL;
857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	4071 if (i < sub2->in_use)
857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	4072 sp2 = sub2->list.line[i].start;
857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	4073 else
857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	4074 sp2 = NULL;
4893 07b9c48a30e9 updated for version 7.3.1192 Bram Moolenaar <bram@vim.org> parents: 4891 diff changeset	4075 if (sp1 != sp2)
4647 857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	4076 return FALSE;
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	4077 if (rex.nfa_has_backref)
5893 99374096a76b updated for version 7.4.289 Bram Moolenaar <bram@vim.org> parents: 5838 diff changeset	4078 {
99374096a76b updated for version 7.4.289 Bram Moolenaar <bram@vim.org> parents: 5838 diff changeset	4079 if (i < sub1->in_use)
99374096a76b updated for version 7.4.289 Bram Moolenaar <bram@vim.org> parents: 5838 diff changeset	4080 sp1 = sub1->list.line[i].end;
99374096a76b updated for version 7.4.289 Bram Moolenaar <bram@vim.org> parents: 5838 diff changeset	4081 else
99374096a76b updated for version 7.4.289 Bram Moolenaar <bram@vim.org> parents: 5838 diff changeset	4082 sp1 = NULL;
99374096a76b updated for version 7.4.289 Bram Moolenaar <bram@vim.org> parents: 5838 diff changeset	4083 if (i < sub2->in_use)
99374096a76b updated for version 7.4.289 Bram Moolenaar <bram@vim.org> parents: 5838 diff changeset	4084 sp2 = sub2->list.line[i].end;
99374096a76b updated for version 7.4.289 Bram Moolenaar <bram@vim.org> parents: 5838 diff changeset	4085 else
99374096a76b updated for version 7.4.289 Bram Moolenaar <bram@vim.org> parents: 5838 diff changeset	4086 sp2 = NULL;
99374096a76b updated for version 7.4.289 Bram Moolenaar <bram@vim.org> parents: 5838 diff changeset	4087 if (sp1 != sp2)
99374096a76b updated for version 7.4.289 Bram Moolenaar <bram@vim.org> parents: 5838 diff changeset	4088 return FALSE;
99374096a76b updated for version 7.4.289 Bram Moolenaar <bram@vim.org> parents: 5838 diff changeset	4089 }
4647 857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	4090 }
857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	4091 }
857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	4092
857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	4093 return TRUE;
857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	4094 }
857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	4095
4712 832bf8136d86 updated for version 7.3.1103 Bram Moolenaar <bram@vim.org> parents: 4696 diff changeset	4096 #ifdef ENABLE_LOG
832bf8136d86 updated for version 7.3.1103 Bram Moolenaar <bram@vim.org> parents: 4696 diff changeset	4097 static void
4813 bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	4098 report_state(char *action,
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	4099 regsub_T *sub,
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	4100 nfa_state_T *state,
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	4101 int lid,
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	4102 nfa_pim_T *pim)
4712 832bf8136d86 updated for version 7.3.1103 Bram Moolenaar <bram@vim.org> parents: 4696 diff changeset	4103 {
832bf8136d86 updated for version 7.3.1103 Bram Moolenaar <bram@vim.org> parents: 4696 diff changeset	4104 int col;
832bf8136d86 updated for version 7.3.1103 Bram Moolenaar <bram@vim.org> parents: 4696 diff changeset	4105
832bf8136d86 updated for version 7.3.1103 Bram Moolenaar <bram@vim.org> parents: 4696 diff changeset	4106 if (sub->in_use <= 0)
832bf8136d86 updated for version 7.3.1103 Bram Moolenaar <bram@vim.org> parents: 4696 diff changeset	4107 col = -1;
832bf8136d86 updated for version 7.3.1103 Bram Moolenaar <bram@vim.org> parents: 4696 diff changeset	4108 else if (REG_MULTI)
6547 436d6c9e57f2 updated for version 7.4.600 Bram Moolenaar <bram@vim.org> parents: 6545 diff changeset	4109 col = sub->list.multi[0].start_col;
4712 832bf8136d86 updated for version 7.3.1103 Bram Moolenaar <bram@vim.org> parents: 4696 diff changeset	4110 else
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	4111 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	4112 nfa_set_code(state->c);
4813 bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	4113 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	4114 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	4115 pim_info(pim));
4712 832bf8136d86 updated for version 7.3.1103 Bram Moolenaar <bram@vim.org> parents: 4696 diff changeset	4116 }
832bf8136d86 updated for version 7.3.1103 Bram Moolenaar <bram@vim.org> parents: 4696 diff changeset	4117 #endif
832bf8136d86 updated for version 7.3.1103 Bram Moolenaar <bram@vim.org> parents: 4696 diff changeset	4118
4787 7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	4119 /*
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	4120 * 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	4121 * positions as "subs".
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	4122 */
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	4123 static int
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	4124 has_state_with_pos(
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	4125 nfa_list_T l, / runtime state list */
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	4126 nfa_state_T state, / state to update */
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	4127 regsubs_T subs, / pointers to subexpressions */
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	4128 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	4129 {
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	4130 nfa_thread_T *thread;
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	4131 int i;
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	4132
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	4133 for (i = 0; i < l->n; ++i)
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	4134 {
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	4135 thread = &l->t[i];
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	4136 if (thread->state->id == state->id
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	4137 && sub_equal(&thread->subs.norm, &subs->norm)
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	4138 #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	4139 && (!rex.nfa_has_zsubexpr
4893 07b9c48a30e9 updated for version 7.3.1192 Bram Moolenaar <bram@vim.org> parents: 4891 diff changeset	4140 \|\| sub_equal(&thread->subs.synt, &subs->synt))
4787 7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	4141 #endif
5212 2741b46e96bf updated for version 7.4a.032 Bram Moolenaar <bram@vim.org> parents: 5210 diff changeset	4142 && pim_equal(&thread->pim, pim))
4787 7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	4143 return TRUE;
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	4144 }
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	4145 return FALSE;
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	4146 }
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	4147
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	4148 /*
5212 2741b46e96bf updated for version 7.4a.032 Bram Moolenaar <bram@vim.org> parents: 5210 diff changeset	4149 * 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	4150 * set.
2741b46e96bf updated for version 7.4a.032 Bram Moolenaar <bram@vim.org> parents: 5210 diff changeset	4151 */
2741b46e96bf updated for version 7.4a.032 Bram Moolenaar <bram@vim.org> parents: 5210 diff changeset	4152 static int
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	4153 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	4154 {
2741b46e96bf updated for version 7.4a.032 Bram Moolenaar <bram@vim.org> parents: 5210 diff changeset	4155 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	4156 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	4157
2741b46e96bf updated for version 7.4a.032 Bram Moolenaar <bram@vim.org> parents: 5210 diff changeset	4158 if (one_unused)
2741b46e96bf updated for version 7.4a.032 Bram Moolenaar <bram@vim.org> parents: 5210 diff changeset	4159 /* one is unused: equal when two is also unused */
2741b46e96bf updated for version 7.4a.032 Bram Moolenaar <bram@vim.org> parents: 5210 diff changeset	4160 return two_unused;
2741b46e96bf updated for version 7.4a.032 Bram Moolenaar <bram@vim.org> parents: 5210 diff changeset	4161 if (two_unused)
2741b46e96bf updated for version 7.4a.032 Bram Moolenaar <bram@vim.org> parents: 5210 diff changeset	4162 /* one is used and two is not: not equal */
2741b46e96bf updated for version 7.4a.032 Bram Moolenaar <bram@vim.org> parents: 5210 diff changeset	4163 return FALSE;
5298 e29f11399cce updated for version 7.4.002 Bram Moolenaar <bram@vim.org> parents: 5296 diff changeset	4164 /* compare the state id */
e29f11399cce updated for version 7.4.002 Bram Moolenaar <bram@vim.org> parents: 5296 diff changeset	4165 if (one->state->id != two->state->id)
e29f11399cce updated for version 7.4.002 Bram Moolenaar <bram@vim.org> parents: 5296 diff changeset	4166 return FALSE;
5212 2741b46e96bf updated for version 7.4a.032 Bram Moolenaar <bram@vim.org> parents: 5210 diff changeset	4167 /* compare the position */
2741b46e96bf updated for version 7.4a.032 Bram Moolenaar <bram@vim.org> parents: 5210 diff changeset	4168 if (REG_MULTI)
2741b46e96bf updated for version 7.4a.032 Bram Moolenaar <bram@vim.org> parents: 5210 diff changeset	4169 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	4170 && one->end.pos.col == two->end.pos.col;
2741b46e96bf updated for version 7.4a.032 Bram Moolenaar <bram@vim.org> parents: 5210 diff changeset	4171 return one->end.ptr == two->end.ptr;
2741b46e96bf updated for version 7.4a.032 Bram Moolenaar <bram@vim.org> parents: 5210 diff changeset	4172 }
2741b46e96bf updated for version 7.4a.032 Bram Moolenaar <bram@vim.org> parents: 5210 diff changeset	4173
2741b46e96bf updated for version 7.4a.032 Bram Moolenaar <bram@vim.org> parents: 5210 diff changeset	4174 /*
4809 4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4175 * 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	4176 */
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4177 static int
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	4178 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	4179 {
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4180 nfa_state_T *state = startstate;
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4181
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4182 /* avoid too much recursion */
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4183 if (depth > 10)
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4184 return FALSE;
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4185
5184 c6dd0c545e5c updated for version 7.4a.018 Bram Moolenaar <bram@vim.org> parents: 5074 diff changeset	4186 while (state != NULL)
4809 4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4187 {
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4188 switch (state->c)
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4189 {
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4190 case NFA_MATCH:
4813 bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	4191 case NFA_MCLOSE:
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	4192 case NFA_END_INVISIBLE:
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	4193 case NFA_END_INVISIBLE_NEG:
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	4194 case NFA_END_PATTERN:
4809 4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4195 return TRUE;
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4196
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4197 case NFA_SPLIT:
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4198 return match_follows(state->out, depth + 1)
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4199 \|\| match_follows(state->out1, depth + 1);
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4200
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4201 case NFA_START_INVISIBLE:
4845 a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	4202 case NFA_START_INVISIBLE_FIRST:
4809 4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4203 case NFA_START_INVISIBLE_BEFORE:
4845 a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	4204 case NFA_START_INVISIBLE_BEFORE_FIRST:
4809 4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4205 case NFA_START_INVISIBLE_NEG:
4845 a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	4206 case NFA_START_INVISIBLE_NEG_FIRST:
4809 4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4207 case NFA_START_INVISIBLE_BEFORE_NEG:
4845 a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	4208 case NFA_START_INVISIBLE_BEFORE_NEG_FIRST:
4809 4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4209 case NFA_COMPOSING:
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4210 /* skip ahead to next state */
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4211 state = state->out1->out;
5184 c6dd0c545e5c updated for version 7.4a.018 Bram Moolenaar <bram@vim.org> parents: 5074 diff changeset	4212 continue;
4809 4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4213
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4214 case NFA_ANY:
5901 10fc95f48546 updated for version 7.4.293 Bram Moolenaar <bram@vim.org> parents: 5895 diff changeset	4215 case NFA_ANY_COMPOSING:
4809 4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4216 case NFA_IDENT:
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4217 case NFA_SIDENT:
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4218 case NFA_KWORD:
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4219 case NFA_SKWORD:
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4220 case NFA_FNAME:
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4221 case NFA_SFNAME:
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4222 case NFA_PRINT:
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4223 case NFA_SPRINT:
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4224 case NFA_WHITE:
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4225 case NFA_NWHITE:
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4226 case NFA_DIGIT:
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4227 case NFA_NDIGIT:
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4228 case NFA_HEX:
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4229 case NFA_NHEX:
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4230 case NFA_OCTAL:
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4231 case NFA_NOCTAL:
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4232 case NFA_WORD:
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4233 case NFA_NWORD:
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4234 case NFA_HEAD:
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4235 case NFA_NHEAD:
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4236 case NFA_ALPHA:
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4237 case NFA_NALPHA:
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4238 case NFA_LOWER:
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4239 case NFA_NLOWER:
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4240 case NFA_UPPER:
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4241 case NFA_NUPPER:
5296 3e9107b86b68 updated for version 7.4.001 Bram Moolenaar <bram@vim.org> parents: 5255 diff changeset	4242 case NFA_LOWER_IC:
3e9107b86b68 updated for version 7.4.001 Bram Moolenaar <bram@vim.org> parents: 5255 diff changeset	4243 case NFA_NLOWER_IC:
3e9107b86b68 updated for version 7.4.001 Bram Moolenaar <bram@vim.org> parents: 5255 diff changeset	4244 case NFA_UPPER_IC:
3e9107b86b68 updated for version 7.4.001 Bram Moolenaar <bram@vim.org> parents: 5255 diff changeset	4245 case NFA_NUPPER_IC:
4809 4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4246 case NFA_START_COLL:
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4247 case NFA_START_NEG_COLL:
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4248 case NFA_NEWL:
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4249 /* state will advance input */
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4250 return FALSE;
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4251
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4252 default:
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4253 if (state->c > 0)
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4254 /* state will advance input */
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4255 return FALSE;
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4256
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4257 /* Others: zero-width or possibly zero-width, might still find
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4258 * a match at the same position, keep looking. */
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4259 break;
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4260 }
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4261 state = state->out;
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4262 }
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4263 return FALSE;
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4264 }
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4265
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4266
4d7e3df04256 updated for version 7.3.1151 Bram Moolenaar <bram@vim.org> parents: 4807 diff changeset	4267 /*
4787 7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	4268 * 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	4269 */
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	4270 static int
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	4271 state_in_list(
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	4272 nfa_list_T l, / runtime state list */
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	4273 nfa_state_T state, / state to update */
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	4274 regsubs_T subs) / pointers to subexpressions */
4787 7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	4275 {
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	4276 if (state->lastlist[nfa_ll_index] == l->id)
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	4277 {
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	4278 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	4279 return TRUE;
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	4280 }
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	4281 return FALSE;
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	4282 }
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	4283
10170 4acacf4081ce commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce Christian Brabandt <cb@256bit.org> parents: 10168 diff changeset	4284 /* Offset used for "off" by addstate_here(). */
4acacf4081ce commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce Christian Brabandt <cb@256bit.org> parents: 10168 diff changeset	4285 #define ADDSTATE_HERE_OFFSET 10
4acacf4081ce commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce Christian Brabandt <cb@256bit.org> parents: 10168 diff changeset	4286
5074 1cacf785299e updated for version 7.3.1280 Bram Moolenaar <bram@vim.org> parents: 5058 diff changeset	4287 /*
1cacf785299e updated for version 7.3.1280 Bram Moolenaar <bram@vim.org> parents: 5058 diff changeset	4288 * 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	4289 * 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	4290 * Returns NULL when recursiveness is too deep.
5074 1cacf785299e updated for version 7.3.1280 Bram Moolenaar <bram@vim.org> parents: 5058 diff changeset	4291 */
1cacf785299e updated for version 7.3.1280 Bram Moolenaar <bram@vim.org> parents: 5058 diff changeset	4292 static regsubs_T *
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	4293 addstate(
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	4294 nfa_list_T l, / runtime state list */
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	4295 nfa_state_T state, / state to update */
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	4296 regsubs_T subs_arg, / pointers to subexpressions */
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	4297 nfa_pim_T pim, / postponed look-behind match */
10170 4acacf4081ce commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce Christian Brabandt <cb@256bit.org> parents: 10168 diff changeset	4298 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	4299 {
4561 4d81fdda8f35 updated for version 7.3.1028 Bram Moolenaar <bram@vim.org> parents: 4559 diff changeset	4300 int subidx;
10170 4acacf4081ce commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce Christian Brabandt <cb@256bit.org> parents: 10168 diff changeset	4301 int off = off_arg;
4acacf4081ce commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce Christian Brabandt <cb@256bit.org> parents: 10168 diff changeset	4302 int add_here = FALSE;
4acacf4081ce commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce Christian Brabandt <cb@256bit.org> parents: 10168 diff changeset	4303 int listindex = 0;
4acacf4081ce commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce Christian Brabandt <cb@256bit.org> parents: 10168 diff changeset	4304 int k;
4acacf4081ce commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce Christian Brabandt <cb@256bit.org> parents: 10168 diff changeset	4305 int found = FALSE;
4647 857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	4306 nfa_thread_T *thread;
10168 3c37899baa8d commit https://github.com/vim/vim/commit/d563883a1fb5ec6cf4a2758c5e36ac1ff4e9bb3d Christian Brabandt <cb@256bit.org> parents: 10042 diff changeset	4307 struct multipos save_multipos;
4563 e7016af0cbf9 updated for version 7.3.1029 Bram Moolenaar <bram@vim.org> parents: 4561 diff changeset	4308 int save_in_use;
4561 4d81fdda8f35 updated for version 7.3.1028 Bram Moolenaar <bram@vim.org> parents: 4559 diff changeset	4309 char_u *save_ptr;
4563 e7016af0cbf9 updated for version 7.3.1029 Bram Moolenaar <bram@vim.org> parents: 4561 diff changeset	4310 int i;
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4311 regsub_T *sub;
5074 1cacf785299e updated for version 7.3.1280 Bram Moolenaar <bram@vim.org> parents: 5058 diff changeset	4312 regsubs_T *subs = subs_arg;
1cacf785299e updated for version 7.3.1280 Bram Moolenaar <bram@vim.org> parents: 5058 diff changeset	4313 static regsubs_T temp_subs;
4657 93b7ed814bec updated for version 7.3.1076 Bram Moolenaar <bram@vim.org> parents: 4655 diff changeset	4314 #ifdef ENABLE_LOG
93b7ed814bec updated for version 7.3.1076 Bram Moolenaar <bram@vim.org> parents: 4655 diff changeset	4315 int did_print = FALSE;
93b7ed814bec updated for version 7.3.1076 Bram Moolenaar <bram@vim.org> parents: 4655 diff changeset	4316 #endif
15796 481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	4317 static int depth = 0;
481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	4318
481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	4319 // 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	4320 // 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	4321 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	4322 {
481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	4323 --depth;
481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	4324 return NULL;
481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	4325 }
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4326
10170 4acacf4081ce commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce Christian Brabandt <cb@256bit.org> parents: 10168 diff changeset	4327 if (off_arg <= -ADDSTATE_HERE_OFFSET)
4acacf4081ce commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce Christian Brabandt <cb@256bit.org> parents: 10168 diff changeset	4328 {
4acacf4081ce commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce Christian Brabandt <cb@256bit.org> parents: 10168 diff changeset	4329 add_here = TRUE;
4acacf4081ce commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce Christian Brabandt <cb@256bit.org> parents: 10168 diff changeset	4330 off = 0;
4acacf4081ce commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce Christian Brabandt <cb@256bit.org> parents: 10168 diff changeset	4331 listindex = -(off_arg + ADDSTATE_HERE_OFFSET);
4acacf4081ce commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce Christian Brabandt <cb@256bit.org> parents: 10168 diff changeset	4332 }
4acacf4081ce commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce Christian Brabandt <cb@256bit.org> parents: 10168 diff changeset	4333
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4334 switch (state->c)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4335 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4336 case NFA_NCLOSE:
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4337 case NFA_MCLOSE:
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4338 case NFA_MCLOSE1:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4339 case NFA_MCLOSE2:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4340 case NFA_MCLOSE3:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4341 case NFA_MCLOSE4:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4342 case NFA_MCLOSE5:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4343 case NFA_MCLOSE6:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4344 case NFA_MCLOSE7:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4345 case NFA_MCLOSE8:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4346 case NFA_MCLOSE9:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4347 #ifdef FEAT_SYN_HL
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4348 case NFA_ZCLOSE:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4349 case NFA_ZCLOSE1:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4350 case NFA_ZCLOSE2:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4351 case NFA_ZCLOSE3:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4352 case NFA_ZCLOSE4:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4353 case NFA_ZCLOSE5:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4354 case NFA_ZCLOSE6:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4355 case NFA_ZCLOSE7:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4356 case NFA_ZCLOSE8:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4357 case NFA_ZCLOSE9:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4358 #endif
5251 2e63b6c763f7 updated for version 7.4b.002 Bram Moolenaar <bram@vim.org> parents: 5227 diff changeset	4359 case NFA_MOPEN:
4748 4b9503f0c7d3 updated for version 7.3.1121 Bram Moolenaar <bram@vim.org> parents: 4746 diff changeset	4360 case NFA_ZEND:
4815 6419ee8098c8 updated for version 7.3.1154 Bram Moolenaar <bram@vim.org> parents: 4813 diff changeset	4361 case NFA_SPLIT:
5370 90e2f0729a0d updated for version 7.4.036 Bram Moolenaar <bram@vim.org> parents: 5360 diff changeset	4362 case NFA_EMPTY:
4571 b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	4363 /* These nodes are not added themselves but their "out" and/or
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	4364 * "out1" may be added below. */
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	4365 break;
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	4366
5251 2e63b6c763f7 updated for version 7.4b.002 Bram Moolenaar <bram@vim.org> parents: 5227 diff changeset	4367 case NFA_BOL:
2e63b6c763f7 updated for version 7.4b.002 Bram Moolenaar <bram@vim.org> parents: 5227 diff changeset	4368 case NFA_BOF:
2e63b6c763f7 updated for version 7.4b.002 Bram Moolenaar <bram@vim.org> parents: 5227 diff changeset	4369 /* "^" won't match past end-of-line, don't bother trying.
2e63b6c763f7 updated for version 7.4b.002 Bram Moolenaar <bram@vim.org> parents: 5227 diff changeset	4370 * Except when at the end of the line, or when we are going to the
2e63b6c763f7 updated for version 7.4b.002 Bram Moolenaar <bram@vim.org> parents: 5227 diff changeset	4371 * 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	4372 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	4373 && *rex.input != NUL
5251 2e63b6c763f7 updated for version 7.4b.002 Bram Moolenaar <bram@vim.org> parents: 5227 diff changeset	4374 && (nfa_endp == NULL
2e63b6c763f7 updated for version 7.4b.002 Bram Moolenaar <bram@vim.org> parents: 5227 diff changeset	4375 \|\| !REG_MULTI
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	4376 \|\| 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	4377 goto skip_add;
2e63b6c763f7 updated for version 7.4b.002 Bram Moolenaar <bram@vim.org> parents: 5227 diff changeset	4378 /* FALLTHROUGH */
2e63b6c763f7 updated for version 7.4b.002 Bram Moolenaar <bram@vim.org> parents: 5227 diff changeset	4379
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4380 case NFA_MOPEN1:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4381 case NFA_MOPEN2:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4382 case NFA_MOPEN3:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4383 case NFA_MOPEN4:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4384 case NFA_MOPEN5:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4385 case NFA_MOPEN6:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4386 case NFA_MOPEN7:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4387 case NFA_MOPEN8:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4388 case NFA_MOPEN9:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4389 #ifdef FEAT_SYN_HL
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4390 case NFA_ZOPEN:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4391 case NFA_ZOPEN1:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4392 case NFA_ZOPEN2:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4393 case NFA_ZOPEN3:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4394 case NFA_ZOPEN4:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4395 case NFA_ZOPEN5:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4396 case NFA_ZOPEN6:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4397 case NFA_ZOPEN7:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4398 case NFA_ZOPEN8:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4399 case NFA_ZOPEN9:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4400 #endif
5251 2e63b6c763f7 updated for version 7.4b.002 Bram Moolenaar <bram@vim.org> parents: 5227 diff changeset	4401 case NFA_NOPEN:
4748 4b9503f0c7d3 updated for version 7.3.1121 Bram Moolenaar <bram@vim.org> parents: 4746 diff changeset	4402 case NFA_ZSTART:
5251 2e63b6c763f7 updated for version 7.4b.002 Bram Moolenaar <bram@vim.org> parents: 5227 diff changeset	4403 /* These nodes need to be added so that we can bail out when it
2e63b6c763f7 updated for version 7.4b.002 Bram Moolenaar <bram@vim.org> parents: 5227 diff changeset	4404 * was added to this list before at the same position to avoid an
2e63b6c763f7 updated for version 7.4b.002 Bram Moolenaar <bram@vim.org> parents: 5227 diff changeset	4405 * endless loop for "" /
4694 efc4fb311d5d updated for version 7.3.1094 Bram Moolenaar <bram@vim.org> parents: 4692 diff changeset	4406
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4407 default:
5502 5ad60cd88339 updated for version 7.4.100 Bram Moolenaar <bram@vim.org> parents: 5401 diff changeset	4408 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	4409 {
4571 b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	4410 /* This state is already in the list, don't add it again,
5006 f451d60ab8ec updated for version 7.3.1247 Bram Moolenaar <bram@vim.org> parents: 4997 diff changeset	4411 * unless it is an MOPEN that is used for a backreference or
5895 b871734bf54e updated for version 7.4.290 Bram Moolenaar <bram@vim.org> parents: 5893 diff changeset	4412 * when there is a PIM. For NFA_MATCH check the position,
b871734bf54e updated for version 7.4.290 Bram Moolenaar <bram@vim.org> parents: 5893 diff changeset	4413 * 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	4414 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	4415 && state->c != NFA_MATCH)
4657 93b7ed814bec updated for version 7.3.1076 Bram Moolenaar <bram@vim.org> parents: 4655 diff changeset	4416 {
10170 4acacf4081ce commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce Christian Brabandt <cb@256bit.org> parents: 10168 diff changeset	4417 /* When called from addstate_here() do insert before
4acacf4081ce commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce Christian Brabandt <cb@256bit.org> parents: 10168 diff changeset	4418 * existing states. */
4acacf4081ce commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce Christian Brabandt <cb@256bit.org> parents: 10168 diff changeset	4419 if (add_here)
4acacf4081ce commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce Christian Brabandt <cb@256bit.org> parents: 10168 diff changeset	4420 {
4acacf4081ce commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce Christian Brabandt <cb@256bit.org> parents: 10168 diff changeset	4421 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	4422 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	4423 {
4acacf4081ce commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce Christian Brabandt <cb@256bit.org> parents: 10168 diff changeset	4424 found = TRUE;
4acacf4081ce commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce Christian Brabandt <cb@256bit.org> parents: 10168 diff changeset	4425 break;
4acacf4081ce commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce Christian Brabandt <cb@256bit.org> parents: 10168 diff changeset	4426 }
4acacf4081ce commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce Christian Brabandt <cb@256bit.org> parents: 10168 diff changeset	4427 }
4acacf4081ce commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce Christian Brabandt <cb@256bit.org> parents: 10168 diff changeset	4428 if (!add_here \|\| found)
4acacf4081ce commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce Christian Brabandt <cb@256bit.org> parents: 10168 diff changeset	4429 {
4657 93b7ed814bec updated for version 7.3.1076 Bram Moolenaar <bram@vim.org> parents: 4655 diff changeset	4430 skip_add:
93b7ed814bec updated for version 7.3.1076 Bram Moolenaar <bram@vim.org> parents: 4655 diff changeset	4431 #ifdef ENABLE_LOG
10170 4acacf4081ce commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce Christian Brabandt <cb@256bit.org> parents: 10168 diff changeset	4432 nfa_set_code(state->c);
4acacf4081ce commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce Christian Brabandt <cb@256bit.org> parents: 10168 diff changeset	4433 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	4434 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	4435 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	4436 #endif
15796 481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	4437 --depth;
10170 4acacf4081ce commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce Christian Brabandt <cb@256bit.org> parents: 10168 diff changeset	4438 return subs;
4acacf4081ce commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce Christian Brabandt <cb@256bit.org> parents: 10168 diff changeset	4439 }
4657 93b7ed814bec updated for version 7.3.1076 Bram Moolenaar <bram@vim.org> parents: 4655 diff changeset	4440 }
4647 857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	4441
4815 6419ee8098c8 updated for version 7.3.1154 Bram Moolenaar <bram@vim.org> parents: 4813 diff changeset	4442 /* Do not add the state again when it exists with the same
6419ee8098c8 updated for version 7.3.1154 Bram Moolenaar <bram@vim.org> parents: 4813 diff changeset	4443 * positions. */
5212 2741b46e96bf updated for version 7.4a.032 Bram Moolenaar <bram@vim.org> parents: 5210 diff changeset	4444 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	4445 goto skip_add;
4647 857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	4446 }
857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	4447
5006 f451d60ab8ec updated for version 7.3.1247 Bram Moolenaar <bram@vim.org> parents: 4997 diff changeset	4448 /* When there are backreferences or PIMs the number of states may
f451d60ab8ec updated for version 7.3.1247 Bram Moolenaar <bram@vim.org> parents: 4997 diff changeset	4449 * be (a lot) bigger than anticipated. */
f451d60ab8ec updated for version 7.3.1247 Bram Moolenaar <bram@vim.org> parents: 4997 diff changeset	4450 if (l->n == l->len)
4647 857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	4451 {
857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	4452 int newlen = l->len * 3 / 2 + 50;
857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	4453
5074 1cacf785299e updated for version 7.3.1280 Bram Moolenaar <bram@vim.org> parents: 5058 diff changeset	4454 if (subs != &temp_subs)
1cacf785299e updated for version 7.3.1280 Bram Moolenaar <bram@vim.org> parents: 5058 diff changeset	4455 {
1cacf785299e updated for version 7.3.1280 Bram Moolenaar <bram@vim.org> parents: 5058 diff changeset	4456 /* "subs" may point into the current array, need to make a
1cacf785299e updated for version 7.3.1280 Bram Moolenaar <bram@vim.org> parents: 5058 diff changeset	4457 * copy before it becomes invalid. */
1cacf785299e updated for version 7.3.1280 Bram Moolenaar <bram@vim.org> parents: 5058 diff changeset	4458 copy_sub(&temp_subs.norm, &subs->norm);
1cacf785299e updated for version 7.3.1280 Bram Moolenaar <bram@vim.org> parents: 5058 diff changeset	4459 #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	4460 if (rex.nfa_has_zsubexpr)
5074 1cacf785299e updated for version 7.3.1280 Bram Moolenaar <bram@vim.org> parents: 5058 diff changeset	4461 copy_sub(&temp_subs.synt, &subs->synt);
1cacf785299e updated for version 7.3.1280 Bram Moolenaar <bram@vim.org> parents: 5058 diff changeset	4462 #endif
1cacf785299e updated for version 7.3.1280 Bram Moolenaar <bram@vim.org> parents: 5058 diff changeset	4463 subs = &temp_subs;
1cacf785299e updated for version 7.3.1280 Bram Moolenaar <bram@vim.org> parents: 5058 diff changeset	4464 }
1cacf785299e updated for version 7.3.1280 Bram Moolenaar <bram@vim.org> parents: 5058 diff changeset	4465
6594 3cca9b0cc1a0 updated for version 7.4.623 Bram Moolenaar <bram@vim.org> parents: 6592 diff changeset	4466 /* TODO: check for vim_realloc() returning NULL. */
4647 857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	4467 l->t = vim_realloc(l->t, newlen * sizeof(nfa_thread_T));
857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	4468 l->len = newlen;
4571 b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	4469 }
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	4470
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	4471 /* add the state to the list */
4718 ec72bb4a0fc2 updated for version 7.3.1106 Bram Moolenaar <bram@vim.org> parents: 4716 diff changeset	4472 state->lastlist[nfa_ll_index] = l->id;
4647 857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	4473 thread = &l->t[l->n++];
857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	4474 thread->state = state;
4813 bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	4475 if (pim == NULL)
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	4476 thread->pim.result = NFA_PIM_UNUSED;
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	4477 else
5227 a08fa2919f2b updated for version 7.4a.039 Bram Moolenaar <bram@vim.org> parents: 5221 diff changeset	4478 {
4813 bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	4479 copy_pim(&thread->pim, pim);
5227 a08fa2919f2b updated for version 7.4a.039 Bram Moolenaar <bram@vim.org> parents: 5221 diff changeset	4480 l->has_pim = TRUE;
a08fa2919f2b updated for version 7.4a.039 Bram Moolenaar <bram@vim.org> parents: 5221 diff changeset	4481 }
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4482 copy_sub(&thread->subs.norm, &subs->norm);
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4483 #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	4484 if (rex.nfa_has_zsubexpr)
4712 832bf8136d86 updated for version 7.3.1103 Bram Moolenaar <bram@vim.org> parents: 4696 diff changeset	4485 copy_sub(&thread->subs.synt, &subs->synt);
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4486 #endif
4657 93b7ed814bec updated for version 7.3.1076 Bram Moolenaar <bram@vim.org> parents: 4655 diff changeset	4487 #ifdef ENABLE_LOG
4813 bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	4488 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	4489 did_print = TRUE;
4657 93b7ed814bec updated for version 7.3.1076 Bram Moolenaar <bram@vim.org> parents: 4655 diff changeset	4490 #endif
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4491 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4492
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4493 #ifdef ENABLE_LOG
4657 93b7ed814bec updated for version 7.3.1076 Bram Moolenaar <bram@vim.org> parents: 4655 diff changeset	4494 if (!did_print)
4813 bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	4495 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	4496 #endif
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4497 switch (state->c)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4498 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4499 case NFA_MATCH:
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4500 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4501
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4502 case NFA_SPLIT:
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4503 /* order matters here */
10170 4acacf4081ce commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce Christian Brabandt <cb@256bit.org> parents: 10168 diff changeset	4504 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	4505 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	4506 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4507
5370 90e2f0729a0d updated for version 7.4.036 Bram Moolenaar <bram@vim.org> parents: 5360 diff changeset	4508 case NFA_EMPTY:
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4509 case NFA_NOPEN:
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4510 case NFA_NCLOSE:
10170 4acacf4081ce commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce Christian Brabandt <cb@256bit.org> parents: 10168 diff changeset	4511 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	4512 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4513
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4514 case NFA_MOPEN:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4515 case NFA_MOPEN1:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4516 case NFA_MOPEN2:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4517 case NFA_MOPEN3:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4518 case NFA_MOPEN4:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4519 case NFA_MOPEN5:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4520 case NFA_MOPEN6:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4521 case NFA_MOPEN7:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4522 case NFA_MOPEN8:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4523 case NFA_MOPEN9:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4524 #ifdef FEAT_SYN_HL
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4525 case NFA_ZOPEN:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4526 case NFA_ZOPEN1:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4527 case NFA_ZOPEN2:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4528 case NFA_ZOPEN3:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4529 case NFA_ZOPEN4:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4530 case NFA_ZOPEN5:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4531 case NFA_ZOPEN6:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4532 case NFA_ZOPEN7:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4533 case NFA_ZOPEN8:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4534 case NFA_ZOPEN9:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4535 #endif
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4536 case NFA_ZSTART:
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4537 if (state->c == NFA_ZSTART)
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4538 {
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4539 subidx = 0;
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4540 sub = &subs->norm;
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4541 }
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4542 #ifdef FEAT_SYN_HL
5300 560a6a232950 updated for version 7.4.003 Bram Moolenaar <bram@vim.org> parents: 5298 diff changeset	4543 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	4544 {
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4545 subidx = state->c - NFA_ZOPEN;
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4546 sub = &subs->synt;
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4547 }
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4548 #endif
4561 4d81fdda8f35 updated for version 7.3.1028 Bram Moolenaar <bram@vim.org> parents: 4559 diff changeset	4549 else
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4550 {
4561 4d81fdda8f35 updated for version 7.3.1028 Bram Moolenaar <bram@vim.org> parents: 4559 diff changeset	4551 subidx = state->c - NFA_MOPEN;
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4552 sub = &subs->norm;
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4553 }
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4554
5210 839ebe7c1b2f updated for version 7.4a.031 Bram Moolenaar <bram@vim.org> parents: 5188 diff changeset	4555 /* avoid compiler warnings */
839ebe7c1b2f updated for version 7.4a.031 Bram Moolenaar <bram@vim.org> parents: 5188 diff changeset	4556 save_ptr = NULL;
10168 3c37899baa8d commit https://github.com/vim/vim/commit/d563883a1fb5ec6cf4a2758c5e36ac1ff4e9bb3d Christian Brabandt <cb@256bit.org> parents: 10042 diff changeset	4557 vim_memset(&save_multipos, 0, sizeof(save_multipos));
5210 839ebe7c1b2f updated for version 7.4a.031 Bram Moolenaar <bram@vim.org> parents: 5188 diff changeset	4558
4815 6419ee8098c8 updated for version 7.3.1154 Bram Moolenaar <bram@vim.org> parents: 4813 diff changeset	4559 /* Set the position (with "off" added) in the subexpression. Save
6419ee8098c8 updated for version 7.3.1154 Bram Moolenaar <bram@vim.org> parents: 4813 diff changeset	4560 * 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	4561 if (REG_MULTI)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4562 {
4571 b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	4563 if (subidx < sub->in_use)
4563 e7016af0cbf9 updated for version 7.3.1029 Bram Moolenaar <bram@vim.org> parents: 4561 diff changeset	4564 {
10168 3c37899baa8d commit https://github.com/vim/vim/commit/d563883a1fb5ec6cf4a2758c5e36ac1ff4e9bb3d Christian Brabandt <cb@256bit.org> parents: 10042 diff changeset	4565 save_multipos = sub->list.multi[subidx];
4563 e7016af0cbf9 updated for version 7.3.1029 Bram Moolenaar <bram@vim.org> parents: 4561 diff changeset	4566 save_in_use = -1;
e7016af0cbf9 updated for version 7.3.1029 Bram Moolenaar <bram@vim.org> parents: 4561 diff changeset	4567 }
e7016af0cbf9 updated for version 7.3.1029 Bram Moolenaar <bram@vim.org> parents: 4561 diff changeset	4568 else
e7016af0cbf9 updated for version 7.3.1029 Bram Moolenaar <bram@vim.org> parents: 4561 diff changeset	4569 {
4571 b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	4570 save_in_use = sub->in_use;
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	4571 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	4572 {
6547 436d6c9e57f2 updated for version 7.4.600 Bram Moolenaar <bram@vim.org> parents: 6545 diff changeset	4573 sub->list.multi[i].start_lnum = -1;
436d6c9e57f2 updated for version 7.4.600 Bram Moolenaar <bram@vim.org> parents: 6545 diff changeset	4574 sub->list.multi[i].end_lnum = -1;
4563 e7016af0cbf9 updated for version 7.3.1029 Bram Moolenaar <bram@vim.org> parents: 4561 diff changeset	4575 }
4571 b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	4576 sub->in_use = subidx + 1;
4563 e7016af0cbf9 updated for version 7.3.1029 Bram Moolenaar <bram@vim.org> parents: 4561 diff changeset	4577 }
4515 90e9917d4114 updated for version 7.3.1005 Bram Moolenaar <bram@vim.org> parents: 4507 diff changeset	4578 if (off == -1)
90e9917d4114 updated for version 7.3.1005 Bram Moolenaar <bram@vim.org> parents: 4507 diff changeset	4579 {
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	4580 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	4581 sub->list.multi[subidx].start_col = 0;
4515 90e9917d4114 updated for version 7.3.1005 Bram Moolenaar <bram@vim.org> parents: 4507 diff changeset	4582 }
90e9917d4114 updated for version 7.3.1005 Bram Moolenaar <bram@vim.org> parents: 4507 diff changeset	4583 else
90e9917d4114 updated for version 7.3.1005 Bram Moolenaar <bram@vim.org> parents: 4507 diff changeset	4584 {
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	4585 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	4586 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	4587 (colnr_T)(rex.input - rex.line + off);
4515 90e9917d4114 updated for version 7.3.1005 Bram Moolenaar <bram@vim.org> parents: 4507 diff changeset	4588 }
7152 cbdc02d71a18 commit https://github.com/vim/vim/commit/c2b717ebd6719e722dcb5f10e4c74033a53ff7c7 Christian Brabandt <cb@256bit.org> parents: 6914 diff changeset	4589 sub->list.multi[subidx].end_lnum = -1;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4590 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4591 else
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4592 {
4571 b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	4593 if (subidx < sub->in_use)
4563 e7016af0cbf9 updated for version 7.3.1029 Bram Moolenaar <bram@vim.org> parents: 4561 diff changeset	4594 {
4577 b22bff1a6af8 updated for version 7.3.1036 Bram Moolenaar <bram@vim.org> parents: 4573 diff changeset	4595 save_ptr = sub->list.line[subidx].start;
4563 e7016af0cbf9 updated for version 7.3.1029 Bram Moolenaar <bram@vim.org> parents: 4561 diff changeset	4596 save_in_use = -1;
e7016af0cbf9 updated for version 7.3.1029 Bram Moolenaar <bram@vim.org> parents: 4561 diff changeset	4597 }
e7016af0cbf9 updated for version 7.3.1029 Bram Moolenaar <bram@vim.org> parents: 4561 diff changeset	4598 else
e7016af0cbf9 updated for version 7.3.1029 Bram Moolenaar <bram@vim.org> parents: 4561 diff changeset	4599 {
4571 b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	4600 save_in_use = sub->in_use;
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	4601 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	4602 {
4577 b22bff1a6af8 updated for version 7.3.1036 Bram Moolenaar <bram@vim.org> parents: 4573 diff changeset	4603 sub->list.line[i].start = NULL;
b22bff1a6af8 updated for version 7.3.1036 Bram Moolenaar <bram@vim.org> parents: 4573 diff changeset	4604 sub->list.line[i].end = NULL;
4563 e7016af0cbf9 updated for version 7.3.1029 Bram Moolenaar <bram@vim.org> parents: 4561 diff changeset	4605 }
4571 b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	4606 sub->in_use = subidx + 1;
4563 e7016af0cbf9 updated for version 7.3.1029 Bram Moolenaar <bram@vim.org> parents: 4561 diff changeset	4607 }
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	4608 sub->list.line[subidx].start = rex.input + off;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4609 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4610
10170 4acacf4081ce commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce Christian Brabandt <cb@256bit.org> parents: 10168 diff changeset	4611 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	4612 if (subs == NULL)
481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	4613 break;
481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	4614 // "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	4615 #ifdef FEAT_SYN_HL
560a6a232950 updated for version 7.4.003 Bram Moolenaar <bram@vim.org> parents: 5298 diff changeset	4616 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	4617 sub = &subs->synt;
560a6a232950 updated for version 7.4.003 Bram Moolenaar <bram@vim.org> parents: 5298 diff changeset	4618 else
560a6a232950 updated for version 7.4.003 Bram Moolenaar <bram@vim.org> parents: 5298 diff changeset	4619 #endif
560a6a232950 updated for version 7.4.003 Bram Moolenaar <bram@vim.org> parents: 5298 diff changeset	4620 sub = &subs->norm;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4621
4563 e7016af0cbf9 updated for version 7.3.1029 Bram Moolenaar <bram@vim.org> parents: 4561 diff changeset	4622 if (save_in_use == -1)
e7016af0cbf9 updated for version 7.3.1029 Bram Moolenaar <bram@vim.org> parents: 4561 diff changeset	4623 {
e7016af0cbf9 updated for version 7.3.1029 Bram Moolenaar <bram@vim.org> parents: 4561 diff changeset	4624 if (REG_MULTI)
10168 3c37899baa8d commit https://github.com/vim/vim/commit/d563883a1fb5ec6cf4a2758c5e36ac1ff4e9bb3d Christian Brabandt <cb@256bit.org> parents: 10042 diff changeset	4625 sub->list.multi[subidx] = save_multipos;
4563 e7016af0cbf9 updated for version 7.3.1029 Bram Moolenaar <bram@vim.org> parents: 4561 diff changeset	4626 else
4577 b22bff1a6af8 updated for version 7.3.1036 Bram Moolenaar <bram@vim.org> parents: 4573 diff changeset	4627 sub->list.line[subidx].start = save_ptr;
4563 e7016af0cbf9 updated for version 7.3.1029 Bram Moolenaar <bram@vim.org> parents: 4561 diff changeset	4628 }
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4629 else
4571 b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	4630 sub->in_use = save_in_use;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4631 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4632
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4633 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	4634 if (rex.nfa_has_zend && (REG_MULTI
6547 436d6c9e57f2 updated for version 7.4.600 Bram Moolenaar <bram@vim.org> parents: 6545 diff changeset	4635 ? 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	4636 : subs->norm.list.line[0].end != NULL))
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4637 {
15796 481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	4638 // 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	4639 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	4640 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4641 }
12674 e769c912fcd9 patch 8.0.1215: newer gcc warns for implicit fallthrough Christian Brabandt <cb@256bit.org> parents: 11896 diff changeset	4642 /* FALLTHROUGH */
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4643 case NFA_MCLOSE1:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4644 case NFA_MCLOSE2:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4645 case NFA_MCLOSE3:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4646 case NFA_MCLOSE4:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4647 case NFA_MCLOSE5:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4648 case NFA_MCLOSE6:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4649 case NFA_MCLOSE7:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4650 case NFA_MCLOSE8:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4651 case NFA_MCLOSE9:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4652 #ifdef FEAT_SYN_HL
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4653 case NFA_ZCLOSE:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4654 case NFA_ZCLOSE1:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4655 case NFA_ZCLOSE2:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4656 case NFA_ZCLOSE3:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4657 case NFA_ZCLOSE4:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4658 case NFA_ZCLOSE5:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4659 case NFA_ZCLOSE6:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4660 case NFA_ZCLOSE7:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4661 case NFA_ZCLOSE8:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4662 case NFA_ZCLOSE9:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4663 #endif
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4664 case NFA_ZEND:
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4665 if (state->c == NFA_ZEND)
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4666 {
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4667 subidx = 0;
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4668 sub = &subs->norm;
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4669 }
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4670 #ifdef FEAT_SYN_HL
5300 560a6a232950 updated for version 7.4.003 Bram Moolenaar <bram@vim.org> parents: 5298 diff changeset	4671 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	4672 {
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4673 subidx = state->c - NFA_ZCLOSE;
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4674 sub = &subs->synt;
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4675 }
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4676 #endif
4561 4d81fdda8f35 updated for version 7.3.1028 Bram Moolenaar <bram@vim.org> parents: 4559 diff changeset	4677 else
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4678 {
4561 4d81fdda8f35 updated for version 7.3.1028 Bram Moolenaar <bram@vim.org> parents: 4559 diff changeset	4679 subidx = state->c - NFA_MCLOSE;
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4680 sub = &subs->norm;
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4681 }
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4682
4563 e7016af0cbf9 updated for version 7.3.1029 Bram Moolenaar <bram@vim.org> parents: 4561 diff changeset	4683 /* We don't fill in gaps here, there must have been an MOPEN that
e7016af0cbf9 updated for version 7.3.1029 Bram Moolenaar <bram@vim.org> parents: 4561 diff changeset	4684 * has done that. */
4571 b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	4685 save_in_use = sub->in_use;
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	4686 if (sub->in_use <= subidx)
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	4687 sub->in_use = subidx + 1;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4688 if (REG_MULTI)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4689 {
10168 3c37899baa8d commit https://github.com/vim/vim/commit/d563883a1fb5ec6cf4a2758c5e36ac1ff4e9bb3d Christian Brabandt <cb@256bit.org> parents: 10042 diff changeset	4690 save_multipos = sub->list.multi[subidx];
4515 90e9917d4114 updated for version 7.3.1005 Bram Moolenaar <bram@vim.org> parents: 4507 diff changeset	4691 if (off == -1)
90e9917d4114 updated for version 7.3.1005 Bram Moolenaar <bram@vim.org> parents: 4507 diff changeset	4692 {
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	4693 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	4694 sub->list.multi[subidx].end_col = 0;
4515 90e9917d4114 updated for version 7.3.1005 Bram Moolenaar <bram@vim.org> parents: 4507 diff changeset	4695 }
90e9917d4114 updated for version 7.3.1005 Bram Moolenaar <bram@vim.org> parents: 4507 diff changeset	4696 else
90e9917d4114 updated for version 7.3.1005 Bram Moolenaar <bram@vim.org> parents: 4507 diff changeset	4697 {
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	4698 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	4699 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	4700 (colnr_T)(rex.input - rex.line + off);
4515 90e9917d4114 updated for version 7.3.1005 Bram Moolenaar <bram@vim.org> parents: 4507 diff changeset	4701 }
5210 839ebe7c1b2f updated for version 7.4a.031 Bram Moolenaar <bram@vim.org> parents: 5188 diff changeset	4702 /* avoid compiler warnings */
839ebe7c1b2f updated for version 7.4a.031 Bram Moolenaar <bram@vim.org> parents: 5188 diff changeset	4703 save_ptr = NULL;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4704 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4705 else
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4706 {
4577 b22bff1a6af8 updated for version 7.3.1036 Bram Moolenaar <bram@vim.org> parents: 4573 diff changeset	4707 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	4708 sub->list.line[subidx].end = rex.input + off;
5210 839ebe7c1b2f updated for version 7.4a.031 Bram Moolenaar <bram@vim.org> parents: 5188 diff changeset	4709 /* avoid compiler warnings */
10168 3c37899baa8d commit https://github.com/vim/vim/commit/d563883a1fb5ec6cf4a2758c5e36ac1ff4e9bb3d Christian Brabandt <cb@256bit.org> parents: 10042 diff changeset	4710 vim_memset(&save_multipos, 0, sizeof(save_multipos));
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4711 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4712
10170 4acacf4081ce commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce Christian Brabandt <cb@256bit.org> parents: 10168 diff changeset	4713 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	4714 if (subs == NULL)
481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	4715 break;
5300 560a6a232950 updated for version 7.4.003 Bram Moolenaar <bram@vim.org> parents: 5298 diff changeset	4716 /* "subs" may have changed, need to set "sub" again */
560a6a232950 updated for version 7.4.003 Bram Moolenaar <bram@vim.org> parents: 5298 diff changeset	4717 #ifdef FEAT_SYN_HL
560a6a232950 updated for version 7.4.003 Bram Moolenaar <bram@vim.org> parents: 5298 diff changeset	4718 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	4719 sub = &subs->synt;
560a6a232950 updated for version 7.4.003 Bram Moolenaar <bram@vim.org> parents: 5298 diff changeset	4720 else
560a6a232950 updated for version 7.4.003 Bram Moolenaar <bram@vim.org> parents: 5298 diff changeset	4721 #endif
560a6a232950 updated for version 7.4.003 Bram Moolenaar <bram@vim.org> parents: 5298 diff changeset	4722 sub = &subs->norm;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4723
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4724 if (REG_MULTI)
10168 3c37899baa8d commit https://github.com/vim/vim/commit/d563883a1fb5ec6cf4a2758c5e36ac1ff4e9bb3d Christian Brabandt <cb@256bit.org> parents: 10042 diff changeset	4725 sub->list.multi[subidx] = save_multipos;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4726 else
4577 b22bff1a6af8 updated for version 7.3.1036 Bram Moolenaar <bram@vim.org> parents: 4573 diff changeset	4727 sub->list.line[subidx].end = save_ptr;
4571 b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	4728 sub->in_use = save_in_use;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4729 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4730 }
15796 481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	4731 --depth;
5074 1cacf785299e updated for version 7.3.1280 Bram Moolenaar <bram@vim.org> parents: 5058 diff changeset	4732 return subs;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4733 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4734
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4735 /*
4539 532c2e850256 updated for version 7.3.1017 Bram Moolenaar <bram@vim.org> parents: 4537 diff changeset	4736 * 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	4737 * 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	4738 * 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	4739 * matters for alternatives.
532c2e850256 updated for version 7.3.1017 Bram Moolenaar <bram@vim.org> parents: 4537 diff changeset	4740 */
15796 481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	4741 static regsubs_T *
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	4742 addstate_here(
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	4743 nfa_list_T l, / runtime state list */
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	4744 nfa_state_T state, / state to update */
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	4745 regsubs_T subs, / pointers to subexpressions */
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	4746 nfa_pim_T pim, / postponed look-behind match */
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	4747 int *ip)
4539 532c2e850256 updated for version 7.3.1017 Bram Moolenaar <bram@vim.org> parents: 4537 diff changeset	4748 {
532c2e850256 updated for version 7.3.1017 Bram Moolenaar <bram@vim.org> parents: 4537 diff changeset	4749 int tlen = l->n;
532c2e850256 updated for version 7.3.1017 Bram Moolenaar <bram@vim.org> parents: 4537 diff changeset	4750 int count;
4726 3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	4751 int listidx = *ip;
15796 481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	4752 regsubs_T *r;
4539 532c2e850256 updated for version 7.3.1017 Bram Moolenaar <bram@vim.org> parents: 4537 diff changeset	4753
10170 4acacf4081ce commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce Christian Brabandt <cb@256bit.org> parents: 10168 diff changeset	4754 /* First add the state(s) at the end, so that we know how many there are.
4acacf4081ce commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce Christian Brabandt <cb@256bit.org> parents: 10168 diff changeset	4755 * Pass the listidx as offset (avoids adding another argument to
4acacf4081ce commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce Christian Brabandt <cb@256bit.org> parents: 10168 diff changeset	4756 * addstate(). */
15796 481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	4757 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	4758 if (r == NULL)
481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	4759 return r;
481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	4760
481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	4761 // 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	4762 if (listidx + 1 == tlen)
15796 481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	4763 return r;
481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	4764
481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	4765 // 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	4766 count = l->n - tlen;
4924 6ae32a64e153 updated for version 7.3.1207 Bram Moolenaar <bram@vim.org> parents: 4897 diff changeset	4767 if (count == 0)
15796 481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	4768 return r; // no state got added
4647 857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	4769 if (count == 1)
857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	4770 {
15796 481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	4771 // overwrite the current state
4726 3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	4772 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	4773 }
857f6c53f117 updated for version 7.3.1071 Bram Moolenaar <bram@vim.org> parents: 4615 diff changeset	4774 else if (count > 1)
4539 532c2e850256 updated for version 7.3.1017 Bram Moolenaar <bram@vim.org> parents: 4537 diff changeset	4775 {
5058 a00cd1839ac4 updated for version 7.3.1272 Bram Moolenaar <bram@vim.org> parents: 5029 diff changeset	4776 if (l->n + count - 1 >= l->len)
a00cd1839ac4 updated for version 7.3.1272 Bram Moolenaar <bram@vim.org> parents: 5029 diff changeset	4777 {
a00cd1839ac4 updated for version 7.3.1272 Bram Moolenaar <bram@vim.org> parents: 5029 diff changeset	4778 /* not enough space to move the new states, reallocate the list
a00cd1839ac4 updated for version 7.3.1272 Bram Moolenaar <bram@vim.org> parents: 5029 diff changeset	4779 * and move the states to the right position */
a00cd1839ac4 updated for version 7.3.1272 Bram Moolenaar <bram@vim.org> parents: 5029 diff changeset	4780 nfa_thread_T *newl;
a00cd1839ac4 updated for version 7.3.1272 Bram Moolenaar <bram@vim.org> parents: 5029 diff changeset	4781
a00cd1839ac4 updated for version 7.3.1272 Bram Moolenaar <bram@vim.org> parents: 5029 diff changeset	4782 l->len = l->len * 3 / 2 + 50;
a00cd1839ac4 updated for version 7.3.1272 Bram Moolenaar <bram@vim.org> parents: 5029 diff changeset	4783 newl = (nfa_thread_T )alloc(l->len sizeof(nfa_thread_T));
a00cd1839ac4 updated for version 7.3.1272 Bram Moolenaar <bram@vim.org> parents: 5029 diff changeset	4784 if (newl == NULL)
15796 481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	4785 return r;
5058 a00cd1839ac4 updated for version 7.3.1272 Bram Moolenaar <bram@vim.org> parents: 5029 diff changeset	4786 mch_memmove(&(newl[0]),
a00cd1839ac4 updated for version 7.3.1272 Bram Moolenaar <bram@vim.org> parents: 5029 diff changeset	4787 &(l->t[0]),
a00cd1839ac4 updated for version 7.3.1272 Bram Moolenaar <bram@vim.org> parents: 5029 diff changeset	4788 sizeof(nfa_thread_T) * listidx);
a00cd1839ac4 updated for version 7.3.1272 Bram Moolenaar <bram@vim.org> parents: 5029 diff changeset	4789 mch_memmove(&(newl[listidx]),
a00cd1839ac4 updated for version 7.3.1272 Bram Moolenaar <bram@vim.org> parents: 5029 diff changeset	4790 &(l->t[l->n - count]),
a00cd1839ac4 updated for version 7.3.1272 Bram Moolenaar <bram@vim.org> parents: 5029 diff changeset	4791 sizeof(nfa_thread_T) * count);
a00cd1839ac4 updated for version 7.3.1272 Bram Moolenaar <bram@vim.org> parents: 5029 diff changeset	4792 mch_memmove(&(newl[listidx + count]),
a00cd1839ac4 updated for version 7.3.1272 Bram Moolenaar <bram@vim.org> parents: 5029 diff changeset	4793 &(l->t[listidx + 1]),
a00cd1839ac4 updated for version 7.3.1272 Bram Moolenaar <bram@vim.org> parents: 5029 diff changeset	4794 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	4795 vim_free(l->t);
a00cd1839ac4 updated for version 7.3.1272 Bram Moolenaar <bram@vim.org> parents: 5029 diff changeset	4796 l->t = newl;
a00cd1839ac4 updated for version 7.3.1272 Bram Moolenaar <bram@vim.org> parents: 5029 diff changeset	4797 }
a00cd1839ac4 updated for version 7.3.1272 Bram Moolenaar <bram@vim.org> parents: 5029 diff changeset	4798 else
a00cd1839ac4 updated for version 7.3.1272 Bram Moolenaar <bram@vim.org> parents: 5029 diff changeset	4799 {
a00cd1839ac4 updated for version 7.3.1272 Bram Moolenaar <bram@vim.org> parents: 5029 diff changeset	4800 /* make space for new states, then move them from the
a00cd1839ac4 updated for version 7.3.1272 Bram Moolenaar <bram@vim.org> parents: 5029 diff changeset	4801 * end to the current position */
a00cd1839ac4 updated for version 7.3.1272 Bram Moolenaar <bram@vim.org> parents: 5029 diff changeset	4802 mch_memmove(&(l->t[listidx + count]),
a00cd1839ac4 updated for version 7.3.1272 Bram Moolenaar <bram@vim.org> parents: 5029 diff changeset	4803 &(l->t[listidx + 1]),
a00cd1839ac4 updated for version 7.3.1272 Bram Moolenaar <bram@vim.org> parents: 5029 diff changeset	4804 sizeof(nfa_thread_T) * (l->n - listidx - 1));
a00cd1839ac4 updated for version 7.3.1272 Bram Moolenaar <bram@vim.org> parents: 5029 diff changeset	4805 mch_memmove(&(l->t[listidx]),
a00cd1839ac4 updated for version 7.3.1272 Bram Moolenaar <bram@vim.org> parents: 5029 diff changeset	4806 &(l->t[l->n - 1]),
a00cd1839ac4 updated for version 7.3.1272 Bram Moolenaar <bram@vim.org> parents: 5029 diff changeset	4807 sizeof(nfa_thread_T) * count);
a00cd1839ac4 updated for version 7.3.1272 Bram Moolenaar <bram@vim.org> parents: 5029 diff changeset	4808 }
4539 532c2e850256 updated for version 7.3.1017 Bram Moolenaar <bram@vim.org> parents: 4537 diff changeset	4809 }
532c2e850256 updated for version 7.3.1017 Bram Moolenaar <bram@vim.org> parents: 4537 diff changeset	4810 --l->n;
4726 3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	4811 *ip = listidx - 1;
15796 481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	4812
481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	4813 return r;
4539 532c2e850256 updated for version 7.3.1017 Bram Moolenaar <bram@vim.org> parents: 4537 diff changeset	4814 }
532c2e850256 updated for version 7.3.1017 Bram Moolenaar <bram@vim.org> parents: 4537 diff changeset	4815
532c2e850256 updated for version 7.3.1017 Bram Moolenaar <bram@vim.org> parents: 4537 diff changeset	4816 /*
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4817 * Check character class "class" against current character c.
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4818 */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4819 static int
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	4820 check_char_class(int class, int c)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4821 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4822 switch (class)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4823 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4824 case NFA_CLASS_ALNUM:
9015 42b228c8701b commit https://github.com/vim/vim/commit/e8aee7dcf9b12becff86e8ce1783a86801c5f9f6 Christian Brabandt <cb@256bit.org> parents: 8989 diff changeset	4825 if (c >= 1 && c < 128 && isalnum(c))
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4826 return OK;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4827 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4828 case NFA_CLASS_ALPHA:
9015 42b228c8701b commit https://github.com/vim/vim/commit/e8aee7dcf9b12becff86e8ce1783a86801c5f9f6 Christian Brabandt <cb@256bit.org> parents: 8989 diff changeset	4829 if (c >= 1 && c < 128 && isalpha(c))
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4830 return OK;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4831 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4832 case NFA_CLASS_BLANK:
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4833 if (c == ' ' \|\| c == '\t')
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4834 return OK;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4835 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4836 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	4837 if (c >= 1 && c <= 127 && iscntrl(c))
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4838 return OK;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4839 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4840 case NFA_CLASS_DIGIT:
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4841 if (VIM_ISDIGIT(c))
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4842 return OK;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4843 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4844 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	4845 if (c >= 1 && c <= 127 && isgraph(c))
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4846 return OK;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4847 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4848 case NFA_CLASS_LOWER:
9015 42b228c8701b commit https://github.com/vim/vim/commit/e8aee7dcf9b12becff86e8ce1783a86801c5f9f6 Christian Brabandt <cb@256bit.org> parents: 8989 diff changeset	4849 if (MB_ISLOWER(c) && c != 170 && c != 186)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4850 return OK;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4851 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4852 case NFA_CLASS_PRINT:
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4853 if (vim_isprintc(c))
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4854 return OK;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4855 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4856 case NFA_CLASS_PUNCT:
9015 42b228c8701b commit https://github.com/vim/vim/commit/e8aee7dcf9b12becff86e8ce1783a86801c5f9f6 Christian Brabandt <cb@256bit.org> parents: 8989 diff changeset	4857 if (c >= 1 && c < 128 && ispunct(c))
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4858 return OK;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4859 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4860 case NFA_CLASS_SPACE:
4785 3b5a023a4543 updated for version 7.3.1139 Bram Moolenaar <bram@vim.org> parents: 4783 diff changeset	4861 if ((c >= 9 && c <= 13) \|\| (c == ' '))
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4862 return OK;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4863 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4864 case NFA_CLASS_UPPER:
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4865 if (MB_ISUPPER(c))
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4866 return OK;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4867 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4868 case NFA_CLASS_XDIGIT:
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4869 if (vim_isxdigit(c))
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4870 return OK;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4871 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4872 case NFA_CLASS_TAB:
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4873 if (c == '\t')
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4874 return OK;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4875 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4876 case NFA_CLASS_RETURN:
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4877 if (c == '\r')
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4878 return OK;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4879 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4880 case NFA_CLASS_BACKSPACE:
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4881 if (c == '\b')
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4882 return OK;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4883 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4884 case NFA_CLASS_ESCAPE:
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4885 if (c == '\033')
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4886 return OK;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4887 break;
15709 2e2f07561f4b patch 8.1.0862: no verbose version of character classes Bram Moolenaar <Bram@vim.org> parents: 15603 diff changeset	4888 case NFA_CLASS_IDENT:
2e2f07561f4b patch 8.1.0862: no verbose version of character classes Bram Moolenaar <Bram@vim.org> parents: 15603 diff changeset	4889 if (vim_isIDc(c))
2e2f07561f4b patch 8.1.0862: no verbose version of character classes Bram Moolenaar <Bram@vim.org> parents: 15603 diff changeset	4890 return OK;
2e2f07561f4b patch 8.1.0862: no verbose version of character classes Bram Moolenaar <Bram@vim.org> parents: 15603 diff changeset	4891 break;
2e2f07561f4b patch 8.1.0862: no verbose version of character classes Bram Moolenaar <Bram@vim.org> parents: 15603 diff changeset	4892 case NFA_CLASS_KEYWORD:
2e2f07561f4b patch 8.1.0862: no verbose version of character classes Bram Moolenaar <Bram@vim.org> parents: 15603 diff changeset	4893 if (reg_iswordc(c))
2e2f07561f4b patch 8.1.0862: no verbose version of character classes Bram Moolenaar <Bram@vim.org> parents: 15603 diff changeset	4894 return OK;
2e2f07561f4b patch 8.1.0862: no verbose version of character classes Bram Moolenaar <Bram@vim.org> parents: 15603 diff changeset	4895 break;
2e2f07561f4b patch 8.1.0862: no verbose version of character classes Bram Moolenaar <Bram@vim.org> parents: 15603 diff changeset	4896 case NFA_CLASS_FNAME:
2e2f07561f4b patch 8.1.0862: no verbose version of character classes Bram Moolenaar <Bram@vim.org> parents: 15603 diff changeset	4897 if (vim_isfilec(c))
2e2f07561f4b patch 8.1.0862: no verbose version of character classes Bram Moolenaar <Bram@vim.org> parents: 15603 diff changeset	4898 return OK;
2e2f07561f4b patch 8.1.0862: no verbose version of character classes Bram Moolenaar <Bram@vim.org> parents: 15603 diff changeset	4899 break;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4900
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4901 default:
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4902 /* 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	4903 siemsg(_(e_ill_char_class), class);
4781 c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	4904 return FAIL;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4905 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4906 return FAIL;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4907 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	4908
4571 b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	4909 /*
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	4910 * Check for a match with subexpression "subidx".
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4911 * Return TRUE if it matches.
4571 b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	4912 */
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	4913 static int
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	4914 match_backref(
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	4915 regsub_T sub, / pointers to subexpressions */
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	4916 int subidx,
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	4917 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	4918 {
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	4919 int len;
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	4920
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	4921 if (sub->in_use <= subidx)
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	4922 {
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	4923 retempty:
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	4924 /* backref was not set, match an empty string */
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	4925 *bytelen = 0;
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	4926 return TRUE;
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	4927 }
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	4928
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	4929 if (REG_MULTI)
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	4930 {
6547 436d6c9e57f2 updated for version 7.4.600 Bram Moolenaar <bram@vim.org> parents: 6545 diff changeset	4931 if (sub->list.multi[subidx].start_lnum < 0
436d6c9e57f2 updated for version 7.4.600 Bram Moolenaar <bram@vim.org> parents: 6545 diff changeset	4932 \|\| sub->list.multi[subidx].end_lnum < 0)
4571 b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	4933 goto retempty;
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	4934 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	4935 && 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	4936 {
6547 436d6c9e57f2 updated for version 7.4.600 Bram Moolenaar <bram@vim.org> parents: 6545 diff changeset	4937 len = sub->list.multi[subidx].end_col
436d6c9e57f2 updated for version 7.4.600 Bram Moolenaar <bram@vim.org> parents: 6545 diff changeset	4938 - 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	4939 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	4940 rex.input, &len) == 0)
4891 4c42efb4c098 updated for version 7.3.1191 Bram Moolenaar <bram@vim.org> parents: 4887 diff changeset	4941 {
4c42efb4c098 updated for version 7.3.1191 Bram Moolenaar <bram@vim.org> parents: 4887 diff changeset	4942 *bytelen = len;
4c42efb4c098 updated for version 7.3.1191 Bram Moolenaar <bram@vim.org> parents: 4887 diff changeset	4943 return TRUE;
4c42efb4c098 updated for version 7.3.1191 Bram Moolenaar <bram@vim.org> parents: 4887 diff changeset	4944 }
4c42efb4c098 updated for version 7.3.1191 Bram Moolenaar <bram@vim.org> parents: 4887 diff changeset	4945 }
4c42efb4c098 updated for version 7.3.1191 Bram Moolenaar <bram@vim.org> parents: 4887 diff changeset	4946 else
4c42efb4c098 updated for version 7.3.1191 Bram Moolenaar <bram@vim.org> parents: 4887 diff changeset	4947 {
4c42efb4c098 updated for version 7.3.1191 Bram Moolenaar <bram@vim.org> parents: 4887 diff changeset	4948 if (match_with_backref(
6547 436d6c9e57f2 updated for version 7.4.600 Bram Moolenaar <bram@vim.org> parents: 6545 diff changeset	4949 sub->list.multi[subidx].start_lnum,
436d6c9e57f2 updated for version 7.4.600 Bram Moolenaar <bram@vim.org> parents: 6545 diff changeset	4950 sub->list.multi[subidx].start_col,
436d6c9e57f2 updated for version 7.4.600 Bram Moolenaar <bram@vim.org> parents: 6545 diff changeset	4951 sub->list.multi[subidx].end_lnum,
436d6c9e57f2 updated for version 7.4.600 Bram Moolenaar <bram@vim.org> parents: 6545 diff changeset	4952 sub->list.multi[subidx].end_col,
4891 4c42efb4c098 updated for version 7.3.1191 Bram Moolenaar <bram@vim.org> parents: 4887 diff changeset	4953 bytelen) == RA_MATCH)
4c42efb4c098 updated for version 7.3.1191 Bram Moolenaar <bram@vim.org> parents: 4887 diff changeset	4954 return TRUE;
4571 b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	4955 }
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	4956 }
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	4957 else
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	4958 {
4577 b22bff1a6af8 updated for version 7.3.1036 Bram Moolenaar <bram@vim.org> parents: 4573 diff changeset	4959 if (sub->list.line[subidx].start == NULL
b22bff1a6af8 updated for version 7.3.1036 Bram Moolenaar <bram@vim.org> parents: 4573 diff changeset	4960 \|\| sub->list.line[subidx].end == NULL)
4571 b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	4961 goto retempty;
4577 b22bff1a6af8 updated for version 7.3.1036 Bram Moolenaar <bram@vim.org> parents: 4573 diff changeset	4962 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	4963 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	4964 {
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	4965 *bytelen = len;
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	4966 return TRUE;
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	4967 }
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 return FALSE;
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	4970 }
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	4971
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4972 #ifdef FEAT_SYN_HL
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4973
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4974 /*
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4975 * Check for a match with \z subexpression "subidx".
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4976 * Return TRUE if it matches.
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4977 */
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4978 static int
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	4979 match_zref(
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	4980 int subidx,
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	4981 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	4982 {
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4983 int len;
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4984
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4985 cleanup_zsubexpr();
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4986 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	4987 {
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4988 /* backref was not set, match an empty string */
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4989 *bytelen = 0;
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4990 return TRUE;
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4991 }
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4992
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4993 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	4994 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	4995 {
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4996 *bytelen = len;
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4997 return TRUE;
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4998 }
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	4999 return FALSE;
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	5000 }
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	5001 #endif
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	5002
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5003 /*
4712 832bf8136d86 updated for version 7.3.1103 Bram Moolenaar <bram@vim.org> parents: 4696 diff changeset	5004 * 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	5005 * Also reset the IDs to zero.
4718 ec72bb4a0fc2 updated for version 7.3.1106 Bram Moolenaar <bram@vim.org> parents: 4716 diff changeset	5006 * Only used for the recursive value lastlist[1].
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5007 */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5008 static void
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	5009 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	5010 {
4712 832bf8136d86 updated for version 7.3.1103 Bram Moolenaar <bram@vim.org> parents: 4696 diff changeset	5011 int i;
832bf8136d86 updated for version 7.3.1103 Bram Moolenaar <bram@vim.org> parents: 4696 diff changeset	5012 nfa_state_T *p;
832bf8136d86 updated for version 7.3.1103 Bram Moolenaar <bram@vim.org> parents: 4696 diff changeset	5013
832bf8136d86 updated for version 7.3.1103 Bram Moolenaar <bram@vim.org> parents: 4696 diff changeset	5014 /* Order in the list is reverse, it's a bit faster that way. */
832bf8136d86 updated for version 7.3.1103 Bram Moolenaar <bram@vim.org> parents: 4696 diff changeset	5015 p = &prog->state[0];
832bf8136d86 updated for version 7.3.1103 Bram Moolenaar <bram@vim.org> parents: 4696 diff changeset	5016 for (i = prog->nstate; --i >= 0; )
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5017 {
4718 ec72bb4a0fc2 updated for version 7.3.1106 Bram Moolenaar <bram@vim.org> parents: 4716 diff changeset	5018 list[i] = p->lastlist[1];
ec72bb4a0fc2 updated for version 7.3.1106 Bram Moolenaar <bram@vim.org> parents: 4716 diff changeset	5019 p->lastlist[1] = 0;
4712 832bf8136d86 updated for version 7.3.1103 Bram Moolenaar <bram@vim.org> parents: 4696 diff changeset	5020 ++p;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5021 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5022 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5023
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5024 /*
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5025 * Restore list IDs from "list" to all NFA states.
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5026 */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5027 static void
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	5028 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	5029 {
4712 832bf8136d86 updated for version 7.3.1103 Bram Moolenaar <bram@vim.org> parents: 4696 diff changeset	5030 int i;
832bf8136d86 updated for version 7.3.1103 Bram Moolenaar <bram@vim.org> parents: 4696 diff changeset	5031 nfa_state_T *p;
832bf8136d86 updated for version 7.3.1103 Bram Moolenaar <bram@vim.org> parents: 4696 diff changeset	5032
832bf8136d86 updated for version 7.3.1103 Bram Moolenaar <bram@vim.org> parents: 4696 diff changeset	5033 p = &prog->state[0];
832bf8136d86 updated for version 7.3.1103 Bram Moolenaar <bram@vim.org> parents: 4696 diff changeset	5034 for (i = prog->nstate; --i >= 0; )
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5035 {
4718 ec72bb4a0fc2 updated for version 7.3.1106 Bram Moolenaar <bram@vim.org> parents: 4716 diff changeset	5036 p->lastlist[1] = list[i];
4712 832bf8136d86 updated for version 7.3.1103 Bram Moolenaar <bram@vim.org> parents: 4696 diff changeset	5037 ++p;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5038 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5039 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5040
4583 321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	5041 static int
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	5042 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	5043 {
321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	5044 if (op == 1) return pos > val;
321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	5045 if (op == 2) return pos < val;
321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	5046 return val == pos;
321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	5047 }
321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	5048
7805 0b6c37dd858d commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077 Christian Brabandt <cb@256bit.org> parents: 7258 diff changeset	5049 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	5050
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5051 /*
4716 a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5052 * Recursively call nfa_regmatch()
4813 bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	5053 * "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	5054 * position).
4716 a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5055 */
a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5056 static int
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	5057 recursive_regmatch(
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	5058 nfa_state_T *state,
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	5059 nfa_pim_T *pim,
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	5060 nfa_regprog_T *prog,
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	5061 regsubs_T *submatch,
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	5062 regsubs_T *m,
14309 15530de011bc patch 8.1.0170: invalid memory use with complicated pattern Christian Brabandt <cb@256bit.org> parents: 14173 diff changeset	5063 int **listids,
15530de011bc patch 8.1.0170: invalid memory use with complicated pattern Christian Brabandt <cb@256bit.org> parents: 14173 diff changeset	5064 int *listids_len)
4716 a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5065 {
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	5066 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	5067 int save_reglnum = rex.lnum;
4716 a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5068 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	5069 int save_nfa_listid = rex.nfa_listid;
4716 a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5070 save_se_T *save_nfa_endp = nfa_endp;
a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5071 save_se_T endpos;
a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5072 save_se_T *endposp = NULL;
a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5073 int result;
4718 ec72bb4a0fc2 updated for version 7.3.1106 Bram Moolenaar <bram@vim.org> parents: 4716 diff changeset	5074 int need_restore = FALSE;
4716 a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5075
4813 bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	5076 if (pim != NULL)
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	5077 {
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	5078 /* start at the position where the postponed match was */
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	5079 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	5080 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	5081 else
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	5082 rex.input = pim->end.ptr;
4813 bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	5083 }
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	5084
4785 3b5a023a4543 updated for version 7.3.1139 Bram Moolenaar <bram@vim.org> parents: 4783 diff changeset	5085 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	5086 \|\| 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	5087 \|\| 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	5088 \|\| 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	5089 {
4813 bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	5090 /* The recursive match must end at the current position. When "pim" is
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	5091 * not NULL it specifies the current position. */
4716 a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5092 endposp = &endpos;
a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5093 if (REG_MULTI)
a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5094 {
4813 bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	5095 if (pim == NULL)
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	5096 {
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	5097 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	5098 endpos.se_u.pos.lnum = rex.lnum;
4813 bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	5099 }
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	5100 else
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	5101 endpos.se_u.pos = pim->end.pos;
4716 a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5102 }
a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5103 else
4813 bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	5104 {
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	5105 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	5106 endpos.se_u.ptr = rex.input;
4813 bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	5107 else
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	5108 endpos.se_u.ptr = pim->end.ptr;
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	5109 }
4716 a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5110
a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5111 /* Go back the specified number of bytes, or as far as the
a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5112 * start of the previous line, to try matching "\@<=" or
5188 fa76be660fa9 updated for version 7.4a.020 Bram Moolenaar <bram@vim.org> parents: 5184 diff changeset	5113 * not matching "\@<!". This is very inefficient, limit the number of
4807 3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	5114 * bytes if possible. */
4716 a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5115 if (state->val <= 0)
a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5116 {
a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5117 if (REG_MULTI)
a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5118 {
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	5119 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	5120 if (rex.line == NULL)
4716 a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5121 /* 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	5122 rex.line = reg_getline(++rex.lnum);
4716 a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5123 }
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	5124 rex.input = rex.line;
4716 a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5125 }
a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5126 else
a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5127 {
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	5128 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	5129 {
a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5130 /* Not enough bytes in this line, go to end of
a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5131 * previous line. */
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	5132 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	5133 if (rex.line == NULL)
4716 a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5134 {
a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5135 /* 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	5136 rex.line = reg_getline(++rex.lnum);
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	5137 rex.input = rex.line;
4716 a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5138 }
a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5139 else
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	5140 rex.input = rex.line + STRLEN(rex.line);
4716 a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5141 }
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	5142 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	5143 {
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	5144 rex.input -= state->val;
4716 a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5145 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	5146 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	5147 }
a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5148 else
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	5149 rex.input = rex.line;
4716 a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5150 }
a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5151 }
a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5152
a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5153 #ifdef ENABLE_LOG
a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5154 if (log_fd != stderr)
a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5155 fclose(log_fd);
a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5156 log_fd = NULL;
a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5157 #endif
4718 ec72bb4a0fc2 updated for version 7.3.1106 Bram Moolenaar <bram@vim.org> parents: 4716 diff changeset	5158 /* Have to clear the lastlist field of the NFA nodes, so that
ec72bb4a0fc2 updated for version 7.3.1106 Bram Moolenaar <bram@vim.org> parents: 4716 diff changeset	5159 * nfa_regmatch() and addstate() can run properly after recursion. */
ec72bb4a0fc2 updated for version 7.3.1106 Bram Moolenaar <bram@vim.org> parents: 4716 diff changeset	5160 if (nfa_ll_index == 1)
ec72bb4a0fc2 updated for version 7.3.1106 Bram Moolenaar <bram@vim.org> parents: 4716 diff changeset	5161 {
ec72bb4a0fc2 updated for version 7.3.1106 Bram Moolenaar <bram@vim.org> parents: 4716 diff changeset	5162 /* Already calling nfa_regmatch() recursively. Save the lastlist[1]
ec72bb4a0fc2 updated for version 7.3.1106 Bram Moolenaar <bram@vim.org> parents: 4716 diff changeset	5163 * 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	5164 if (listids == NULL \|\| listids_len < prog->nstate)
4718 ec72bb4a0fc2 updated for version 7.3.1106 Bram Moolenaar <bram@vim.org> parents: 4716 diff changeset	5165 {
14309 15530de011bc patch 8.1.0170: invalid memory use with complicated pattern Christian Brabandt <cb@256bit.org> parents: 14173 diff changeset	5166 vim_free(*listids);
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	5167 listids = (int )lalloc(sizeof(int) * prog->nstate, TRUE);
4718 ec72bb4a0fc2 updated for version 7.3.1106 Bram Moolenaar <bram@vim.org> parents: 4716 diff changeset	5168 if (*listids == NULL)
ec72bb4a0fc2 updated for version 7.3.1106 Bram Moolenaar <bram@vim.org> parents: 4716 diff changeset	5169 {
15470 55ccc2d353bd patch 8.1.0743: giving error messages is not flexible Bram Moolenaar <Bram@vim.org> parents: 15265 diff changeset	5170 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	5171 return 0;
ec72bb4a0fc2 updated for version 7.3.1106 Bram Moolenaar <bram@vim.org> parents: 4716 diff changeset	5172 }
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	5173 *listids_len = prog->nstate;
4718 ec72bb4a0fc2 updated for version 7.3.1106 Bram Moolenaar <bram@vim.org> parents: 4716 diff changeset	5174 }
ec72bb4a0fc2 updated for version 7.3.1106 Bram Moolenaar <bram@vim.org> parents: 4716 diff changeset	5175 nfa_save_listids(prog, *listids);
ec72bb4a0fc2 updated for version 7.3.1106 Bram Moolenaar <bram@vim.org> parents: 4716 diff changeset	5176 need_restore = TRUE;
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	5177 /* 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	5178 }
ec72bb4a0fc2 updated for version 7.3.1106 Bram Moolenaar <bram@vim.org> parents: 4716 diff changeset	5179 else
ec72bb4a0fc2 updated for version 7.3.1106 Bram Moolenaar <bram@vim.org> parents: 4716 diff changeset	5180 {
ec72bb4a0fc2 updated for version 7.3.1106 Bram Moolenaar <bram@vim.org> parents: 4716 diff changeset	5181 /* First recursive nfa_regmatch() call, switch to the second lastlist
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	5182 * entry. Make sure rex.nfa_listid is different from a previous
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	5183 * 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	5184 ++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	5185 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	5186 rex.nfa_listid = rex.nfa_alt_listid;
4718 ec72bb4a0fc2 updated for version 7.3.1106 Bram Moolenaar <bram@vim.org> parents: 4716 diff changeset	5187 }
ec72bb4a0fc2 updated for version 7.3.1106 Bram Moolenaar <bram@vim.org> parents: 4716 diff changeset	5188
ec72bb4a0fc2 updated for version 7.3.1106 Bram Moolenaar <bram@vim.org> parents: 4716 diff changeset	5189 /* Call nfa_regmatch() to check if the current concat matches at this
ec72bb4a0fc2 updated for version 7.3.1106 Bram Moolenaar <bram@vim.org> parents: 4716 diff changeset	5190 * 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	5191 nfa_endp = endposp;
a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5192 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	5193
ec72bb4a0fc2 updated for version 7.3.1106 Bram Moolenaar <bram@vim.org> parents: 4716 diff changeset	5194 if (need_restore)
ec72bb4a0fc2 updated for version 7.3.1106 Bram Moolenaar <bram@vim.org> parents: 4716 diff changeset	5195 nfa_restore_listids(prog, *listids);
ec72bb4a0fc2 updated for version 7.3.1106 Bram Moolenaar <bram@vim.org> parents: 4716 diff changeset	5196 else
ec72bb4a0fc2 updated for version 7.3.1106 Bram Moolenaar <bram@vim.org> parents: 4716 diff changeset	5197 {
ec72bb4a0fc2 updated for version 7.3.1106 Bram Moolenaar <bram@vim.org> parents: 4716 diff changeset	5198 --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	5199 rex.nfa_alt_listid = rex.nfa_listid;
4718 ec72bb4a0fc2 updated for version 7.3.1106 Bram Moolenaar <bram@vim.org> parents: 4716 diff changeset	5200 }
4716 a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5201
a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5202 /* 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	5203 rex.lnum = save_reglnum;
4877 9e36c6b1ebf4 updated for version 7.3.1184 Bram Moolenaar <bram@vim.org> parents: 4845 diff changeset	5204 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	5205 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	5206 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	5207 if (result != NFA_TOO_EXPENSIVE)
3666915cac0b commit https://github.com/vim/vim/commit/6747fabc7348bf5f41ccfe851e2be3e900ec8ee0 Christian Brabandt <cb@256bit.org> parents: 9015 diff changeset	5208 {
3666915cac0b commit https://github.com/vim/vim/commit/6747fabc7348bf5f41ccfe851e2be3e900ec8ee0 Christian Brabandt <cb@256bit.org> parents: 9015 diff changeset	5209 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	5210 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	5211 }
4716 a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5212 nfa_endp = save_nfa_endp;
a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5213
a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5214 #ifdef ENABLE_LOG
a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5215 log_fd = fopen(NFA_REGEXP_RUN_LOG, "a");
a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5216 if (log_fd != NULL)
a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5217 {
a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5218 fprintf(log_fd, "****************************\n");
a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5219 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	5220 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	5221 fprintf(log_fd, "****************************\n");
a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5222 }
a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5223 else
a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5224 {
15470 55ccc2d353bd patch 8.1.0743: giving error messages is not flexible Bram Moolenaar <Bram@vim.org> parents: 15265 diff changeset	5225 emsg(_(e_log_open_failed));
4716 a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5226 log_fd = stderr;
a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5227 }
a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5228 #endif
a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5229
a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5230 return result;
a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5231 }
a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5232
4726 3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	5233 /*
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	5234 * 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	5235 * empty match: 0
4726 3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	5236 * NFA_ANY: 1
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	5237 * specific character: 99
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	5238 */
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	5239 static int
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	5240 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	5241 {
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	5242 int c = state->c;
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	5243 int l, r;
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	5244
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	5245 /* detect looping */
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	5246 if (depth > 4)
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	5247 return 1;
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	5248
4742 6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5249 switch (c)
4726 3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	5250 {
4742 6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5251 case NFA_SPLIT:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5252 if (state->out->c == NFA_SPLIT \|\| state->out1->c == NFA_SPLIT)
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5253 /* avoid recursive stuff */
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5254 return 1;
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5255 /* two alternatives, use the lowest failure chance */
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5256 l = failure_chance(state->out, depth + 1);
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5257 r = failure_chance(state->out1, depth + 1);
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5258 return l < r ? l : r;
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5259
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5260 case NFA_ANY:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5261 /* matches anything, unlikely to fail */
4726 3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	5262 return 1;
4821 2f1ee97f5f23 updated for version 7.3.1157 Bram Moolenaar <bram@vim.org> parents: 4819 diff changeset	5263
4742 6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5264 case NFA_MATCH:
4821 2f1ee97f5f23 updated for version 7.3.1157 Bram Moolenaar <bram@vim.org> parents: 4819 diff changeset	5265 case NFA_MCLOSE:
5901 10fc95f48546 updated for version 7.4.293 Bram Moolenaar <bram@vim.org> parents: 5895 diff changeset	5266 case NFA_ANY_COMPOSING:
4742 6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5267 /* empty match works always */
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5268 return 0;
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5269
4897 91136a41f83f updated for version 7.3.1194 Bram Moolenaar <bram@vim.org> parents: 4893 diff changeset	5270 case NFA_START_INVISIBLE:
91136a41f83f updated for version 7.3.1194 Bram Moolenaar <bram@vim.org> parents: 4893 diff changeset	5271 case NFA_START_INVISIBLE_FIRST:
91136a41f83f updated for version 7.3.1194 Bram Moolenaar <bram@vim.org> parents: 4893 diff changeset	5272 case NFA_START_INVISIBLE_NEG:
91136a41f83f updated for version 7.3.1194 Bram Moolenaar <bram@vim.org> parents: 4893 diff changeset	5273 case NFA_START_INVISIBLE_NEG_FIRST:
91136a41f83f updated for version 7.3.1194 Bram Moolenaar <bram@vim.org> parents: 4893 diff changeset	5274 case NFA_START_INVISIBLE_BEFORE:
91136a41f83f updated for version 7.3.1194 Bram Moolenaar <bram@vim.org> parents: 4893 diff changeset	5275 case NFA_START_INVISIBLE_BEFORE_FIRST:
91136a41f83f updated for version 7.3.1194 Bram Moolenaar <bram@vim.org> parents: 4893 diff changeset	5276 case NFA_START_INVISIBLE_BEFORE_NEG:
91136a41f83f updated for version 7.3.1194 Bram Moolenaar <bram@vim.org> parents: 4893 diff changeset	5277 case NFA_START_INVISIBLE_BEFORE_NEG_FIRST:
91136a41f83f updated for version 7.3.1194 Bram Moolenaar <bram@vim.org> parents: 4893 diff changeset	5278 case NFA_START_PATTERN:
91136a41f83f updated for version 7.3.1194 Bram Moolenaar <bram@vim.org> parents: 4893 diff changeset	5279 /* recursive regmatch is expensive, use low failure chance */
91136a41f83f updated for version 7.3.1194 Bram Moolenaar <bram@vim.org> parents: 4893 diff changeset	5280 return 5;
91136a41f83f updated for version 7.3.1194 Bram Moolenaar <bram@vim.org> parents: 4893 diff changeset	5281
4742 6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5282 case NFA_BOL:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5283 case NFA_EOL:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5284 case NFA_BOF:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5285 case NFA_EOF:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5286 case NFA_NEWL:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5287 return 99;
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5288
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5289 case NFA_BOW:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5290 case NFA_EOW:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5291 return 90;
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5292
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5293 case NFA_MOPEN:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5294 case NFA_MOPEN1:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5295 case NFA_MOPEN2:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5296 case NFA_MOPEN3:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5297 case NFA_MOPEN4:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5298 case NFA_MOPEN5:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5299 case NFA_MOPEN6:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5300 case NFA_MOPEN7:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5301 case NFA_MOPEN8:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5302 case NFA_MOPEN9:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5303 #ifdef FEAT_SYN_HL
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5304 case NFA_ZOPEN:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5305 case NFA_ZOPEN1:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5306 case NFA_ZOPEN2:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5307 case NFA_ZOPEN3:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5308 case NFA_ZOPEN4:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5309 case NFA_ZOPEN5:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5310 case NFA_ZOPEN6:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5311 case NFA_ZOPEN7:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5312 case NFA_ZOPEN8:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5313 case NFA_ZOPEN9:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5314 case NFA_ZCLOSE:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5315 case NFA_ZCLOSE1:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5316 case NFA_ZCLOSE2:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5317 case NFA_ZCLOSE3:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5318 case NFA_ZCLOSE4:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5319 case NFA_ZCLOSE5:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5320 case NFA_ZCLOSE6:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5321 case NFA_ZCLOSE7:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5322 case NFA_ZCLOSE8:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5323 case NFA_ZCLOSE9:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5324 #endif
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5325 case NFA_NOPEN:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5326 case NFA_MCLOSE1:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5327 case NFA_MCLOSE2:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5328 case NFA_MCLOSE3:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5329 case NFA_MCLOSE4:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5330 case NFA_MCLOSE5:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5331 case NFA_MCLOSE6:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5332 case NFA_MCLOSE7:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5333 case NFA_MCLOSE8:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5334 case NFA_MCLOSE9:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5335 case NFA_NCLOSE:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5336 return failure_chance(state->out, depth + 1);
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5337
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5338 case NFA_BACKREF1:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5339 case NFA_BACKREF2:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5340 case NFA_BACKREF3:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5341 case NFA_BACKREF4:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5342 case NFA_BACKREF5:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5343 case NFA_BACKREF6:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5344 case NFA_BACKREF7:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5345 case NFA_BACKREF8:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5346 case NFA_BACKREF9:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5347 #ifdef FEAT_SYN_HL
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5348 case NFA_ZREF1:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5349 case NFA_ZREF2:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5350 case NFA_ZREF3:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5351 case NFA_ZREF4:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5352 case NFA_ZREF5:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5353 case NFA_ZREF6:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5354 case NFA_ZREF7:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5355 case NFA_ZREF8:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5356 case NFA_ZREF9:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5357 #endif
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5358 /* backreferences don't match in many places */
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5359 return 94;
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5360
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5361 case NFA_LNUM_GT:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5362 case NFA_LNUM_LT:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5363 case NFA_COL_GT:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5364 case NFA_COL_LT:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5365 case NFA_VCOL_GT:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5366 case NFA_VCOL_LT:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5367 case NFA_MARK_GT:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5368 case NFA_MARK_LT:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5369 case NFA_VISUAL:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5370 /* before/after positions don't match very often */
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5371 return 85;
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5372
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5373 case NFA_LNUM:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5374 return 90;
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5375
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5376 case NFA_CURSOR:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5377 case NFA_COL:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5378 case NFA_VCOL:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5379 case NFA_MARK:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5380 /* specific positions rarely match */
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5381 return 98;
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5382
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5383 case NFA_COMPOSING:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5384 return 95;
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5385
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5386 default:
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5387 if (c > 0)
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5388 /* character match fails often */
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5389 return 95;
4726 3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	5390 }
4742 6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5391
6a706ca7a889 updated for version 7.3.1118 Bram Moolenaar <bram@vim.org> parents: 4740 diff changeset	5392 /* something else, includes character classes */
4726 3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	5393 return 50;
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	5394 }
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	5395
4716 a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5396 /*
4801 3cd3cc1e9119 updated for version 7.3.1147 Bram Moolenaar <bram@vim.org> parents: 4799 diff changeset	5397 * 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	5398 */
3cd3cc1e9119 updated for version 7.3.1147 Bram Moolenaar <bram@vim.org> parents: 4799 diff changeset	5399 static int
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	5400 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	5401 {
3cd3cc1e9119 updated for version 7.3.1147 Bram Moolenaar <bram@vim.org> parents: 4799 diff changeset	5402 char_u *s;
3cd3cc1e9119 updated for version 7.3.1147 Bram Moolenaar <bram@vim.org> parents: 4799 diff changeset	5403
3cd3cc1e9119 updated for version 7.3.1147 Bram Moolenaar <bram@vim.org> parents: 4799 diff changeset	5404 /* 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	5405 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	5406 s = vim_strbyte(rex.line + *colp, c);
4801 3cd3cc1e9119 updated for version 7.3.1147 Bram Moolenaar <bram@vim.org> parents: 4799 diff changeset	5407 else
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	5408 s = cstrchr(rex.line + *colp, c);
4801 3cd3cc1e9119 updated for version 7.3.1147 Bram Moolenaar <bram@vim.org> parents: 4799 diff changeset	5409 if (s == NULL)
3cd3cc1e9119 updated for version 7.3.1147 Bram Moolenaar <bram@vim.org> parents: 4799 diff changeset	5410 return FAIL;
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	5411 *colp = (int)(s - rex.line);
4801 3cd3cc1e9119 updated for version 7.3.1147 Bram Moolenaar <bram@vim.org> parents: 4799 diff changeset	5412 return OK;
3cd3cc1e9119 updated for version 7.3.1147 Bram Moolenaar <bram@vim.org> parents: 4799 diff changeset	5413 }
3cd3cc1e9119 updated for version 7.3.1147 Bram Moolenaar <bram@vim.org> parents: 4799 diff changeset	5414
3cd3cc1e9119 updated for version 7.3.1147 Bram Moolenaar <bram@vim.org> parents: 4799 diff changeset	5415 /*
4805 66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	5416 * Check for a match with match_text.
4807 3dbd251777de updated for version 7.3.1150 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	5417 * 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	5418 * 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	5419 */
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	5420 static long
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	5421 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	5422 {
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	5423 colnr_T col = startcol;
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	5424 int c1, c2;
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	5425 int len1, len2;
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	5426 int match;
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	5427
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	5428 for (;;)
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	5429 {
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	5430 match = TRUE;
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	5431 len2 = MB_CHAR2LEN(regstart); /* skip regstart */
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	5432 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	5433 {
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	5434 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	5435 c2 = PTR2CHAR(rex.line + col + len2);
10245 d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10170 diff changeset	5436 if (c1 != c2 && (!rex.reg_ic \|\| MB_TOLOWER(c1) != MB_TOLOWER(c2)))
4805 66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	5437 {
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	5438 match = FALSE;
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	5439 break;
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	5440 }
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	5441 len2 += MB_CHAR2LEN(c2);
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	5442 }
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	5443 if (match
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	5444 /* check that no composing char follows */
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	5445 && !(enc_utf8
15603 639b8318472c patch 8.1.0809: too many #ifdefs Bram Moolenaar <Bram@vim.org> parents: 15490 diff changeset	5446 && utf_iscomposing(PTR2CHAR(rex.line + col + len2))))
4805 66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	5447 {
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	5448 cleanup_subexpr();
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	5449 if (REG_MULTI)
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	5450 {
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	5451 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	5452 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	5453 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	5454 rex.reg_endpos[0].col = col + len2;
4805 66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	5455 }
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	5456 else
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	5457 {
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	5458 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	5459 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	5460 }
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	5461 return 1L;
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	5462 }
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 /* Try finding regstart after the current match. */
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	5465 col += MB_CHAR2LEN(regstart); /* skip regstart */
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	5466 if (skip_to_start(regstart, &col) == FAIL)
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	5467 break;
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 return 0L;
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
11521 578df034735d patch 8.0.0643: when a pattern search is slow Vim becomes unusable Christian Brabandt <cb@256bit.org> parents: 11480 diff changeset	5472 #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	5473 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	5474 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	5475 {
578df034735d patch 8.0.0643: when a pattern search is slow Vim becomes unusable Christian Brabandt <cb@256bit.org> parents: 11480 diff changeset	5476 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	5477 {
578df034735d patch 8.0.0643: when a pattern search is slow Vim becomes unusable Christian Brabandt <cb@256bit.org> parents: 11480 diff changeset	5478 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	5479 *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	5480 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	5481 }
578df034735d patch 8.0.0643: when a pattern search is slow Vim becomes unusable Christian Brabandt <cb@256bit.org> parents: 11480 diff changeset	5482 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	5483 }
578df034735d patch 8.0.0643: when a pattern search is slow Vim becomes unusable Christian Brabandt <cb@256bit.org> parents: 11480 diff changeset	5484 #endif
578df034735d patch 8.0.0643: when a pattern search is slow Vim becomes unusable Christian Brabandt <cb@256bit.org> parents: 11480 diff changeset	5485
4805 66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	5486 /*
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5487 * Main matching routine.
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5488 *
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	5489 * 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	5490 *
4694 efc4fb311d5d updated for version 7.3.1094 Bram Moolenaar <bram@vim.org> parents: 4692 diff changeset	5491 * 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	5492 *
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5493 * Return TRUE if there is a match, FALSE otherwise.
5372 c3d379c2a115 updated for version 7.4.037 Bram Moolenaar <bram@vim.org> parents: 5370 diff changeset	5494 * When there is a match "submatch" contains the positions.
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5495 * Note: Caller must ensure that: start != NULL.
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5496 */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5497 static int
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	5498 nfa_regmatch(
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	5499 nfa_regprog_T *prog,
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	5500 nfa_state_T *start,
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	5501 regsubs_T *submatch,
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	5502 regsubs_T *m)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5503 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5504 int result;
6545 1ef8ce97fc40 updated for version 7.4.599 Bram Moolenaar <bram@vim.org> parents: 6533 diff changeset	5505 size_t size = 0;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5506 int flag = 0;
4539 532c2e850256 updated for version 7.3.1017 Bram Moolenaar <bram@vim.org> parents: 4537 diff changeset	5507 int go_to_nextline = FALSE;
532c2e850256 updated for version 7.3.1017 Bram Moolenaar <bram@vim.org> parents: 4537 diff changeset	5508 nfa_thread_T *t;
4783 47222d8b1e94 updated for version 7.3.1138 Bram Moolenaar <bram@vim.org> parents: 4781 diff changeset	5509 nfa_list_T list[2];
4549 849180347ac3 updated for version 7.3.1022 Bram Moolenaar <bram@vim.org> parents: 4547 diff changeset	5510 int listidx;
4539 532c2e850256 updated for version 7.3.1017 Bram Moolenaar <bram@vim.org> parents: 4537 diff changeset	5511 nfa_list_T *thislist;
532c2e850256 updated for version 7.3.1017 Bram Moolenaar <bram@vim.org> parents: 4537 diff changeset	5512 nfa_list_T *nextlist;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5513 int *listids = NULL;
14309 15530de011bc patch 8.1.0170: invalid memory use with complicated pattern Christian Brabandt <cb@256bit.org> parents: 14173 diff changeset	5514 int listids_len = 0;
4726 3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	5515 nfa_state_T *add_state;
4799 e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	5516 int add_here;
4797 a30e3762957d updated for version 7.3.1145 Bram Moolenaar <bram@vim.org> parents: 4787 diff changeset	5517 int add_count;
4819 8c4324e6f477 updated for version 7.3.1156 Bram Moolenaar <bram@vim.org> parents: 4815 diff changeset	5518 int add_off = 0;
4797 a30e3762957d updated for version 7.3.1145 Bram Moolenaar <bram@vim.org> parents: 4787 diff changeset	5519 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	5520 regsubs_T *r;
4460 fe8a0a6a1c2a updated for version 7.3.978 Bram Moolenaar <bram@vim.org> parents: 4458 diff changeset	5521 #ifdef NFA_REGEXP_DEBUG_LOG
8989 e600e696c0a1 commit https://github.com/vim/vim/commit/dc633cf82758f67f656cda7fa8ccc30414ee53f8 Christian Brabandt <cb@256bit.org> parents: 8841 diff changeset	5522 FILE *debug;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5523 #endif
8989 e600e696c0a1 commit https://github.com/vim/vim/commit/dc633cf82758f67f656cda7fa8ccc30414ee53f8 Christian Brabandt <cb@256bit.org> parents: 8841 diff changeset	5524
5310 b04bdb2c5fce updated for version 7.4.008 Bram Moolenaar <bram@vim.org> parents: 5300 diff changeset	5525 /* Some patterns may take a long time to match, especially when using
b04bdb2c5fce updated for version 7.4.008 Bram Moolenaar <bram@vim.org> parents: 5300 diff changeset	5526 * recursive_regmatch(). Allow interrupting them with CTRL-C. */
b04bdb2c5fce updated for version 7.4.008 Bram Moolenaar <bram@vim.org> parents: 5300 diff changeset	5527 fast_breakcheck();
b04bdb2c5fce updated for version 7.4.008 Bram Moolenaar <bram@vim.org> parents: 5300 diff changeset	5528 if (got_int)
b04bdb2c5fce updated for version 7.4.008 Bram Moolenaar <bram@vim.org> parents: 5300 diff changeset	5529 return FALSE;
6573 ffba266e064d updated for version 7.4.613 Bram Moolenaar <bram@vim.org> parents: 6547 diff changeset	5530 #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	5531 if (nfa_did_time_out())
6573 ffba266e064d updated for version 7.4.613 Bram Moolenaar <bram@vim.org> parents: 6547 diff changeset	5532 return FALSE;
ffba266e064d updated for version 7.4.613 Bram Moolenaar <bram@vim.org> parents: 6547 diff changeset	5533 #endif
5310 b04bdb2c5fce updated for version 7.4.008 Bram Moolenaar <bram@vim.org> parents: 5300 diff changeset	5534
8989 e600e696c0a1 commit https://github.com/vim/vim/commit/dc633cf82758f67f656cda7fa8ccc30414ee53f8 Christian Brabandt <cb@256bit.org> parents: 8841 diff changeset	5535 #ifdef NFA_REGEXP_DEBUG_LOG
e600e696c0a1 commit https://github.com/vim/vim/commit/dc633cf82758f67f656cda7fa8ccc30414ee53f8 Christian Brabandt <cb@256bit.org> parents: 8841 diff changeset	5536 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	5537 if (debug == NULL)
e600e696c0a1 commit https://github.com/vim/vim/commit/dc633cf82758f67f656cda7fa8ccc30414ee53f8 Christian Brabandt <cb@256bit.org> parents: 8841 diff changeset	5538 {
15470 55ccc2d353bd patch 8.1.0743: giving error messages is not flexible Bram Moolenaar <Bram@vim.org> parents: 15265 diff changeset	5539 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	5540 return FALSE;
e600e696c0a1 commit https://github.com/vim/vim/commit/dc633cf82758f67f656cda7fa8ccc30414ee53f8 Christian Brabandt <cb@256bit.org> parents: 8841 diff changeset	5541 }
e600e696c0a1 commit https://github.com/vim/vim/commit/dc633cf82758f67f656cda7fa8ccc30414ee53f8 Christian Brabandt <cb@256bit.org> parents: 8841 diff changeset	5542 #endif
4561 4d81fdda8f35 updated for version 7.3.1028 Bram Moolenaar <bram@vim.org> parents: 4559 diff changeset	5543 nfa_match = FALSE;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5544
4563 e7016af0cbf9 updated for version 7.3.1029 Bram Moolenaar <bram@vim.org> parents: 4561 diff changeset	5545 /* 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	5546 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	5547
4768 82e6588762e4 updated for version 7.3.1131 Bram Moolenaar <bram@vim.org> parents: 4762 diff changeset	5548 list[0].t = (nfa_thread_T *)lalloc(size, TRUE);
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	5549 list[0].len = prog->nstate + 1;
4768 82e6588762e4 updated for version 7.3.1131 Bram Moolenaar <bram@vim.org> parents: 4762 diff changeset	5550 list[1].t = (nfa_thread_T *)lalloc(size, TRUE);
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	5551 list[1].len = prog->nstate + 1;
4783 47222d8b1e94 updated for version 7.3.1138 Bram Moolenaar <bram@vim.org> parents: 4781 diff changeset	5552 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	5553 goto theend;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5554
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5555 #ifdef ENABLE_LOG
4531 1be43c095aff updated for version 7.3.1013 Bram Moolenaar <bram@vim.org> parents: 4529 diff changeset	5556 log_fd = fopen(NFA_REGEXP_RUN_LOG, "a");
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5557 if (log_fd != NULL)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5558 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5559 fprintf(log_fd, "**********************************\n");
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5560 nfa_set_code(start->c);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5561 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	5562 abs(start->id), code);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5563 fprintf(log_fd, "**********************************\n");
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5564 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5565 else
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5566 {
15470 55ccc2d353bd patch 8.1.0743: giving error messages is not flexible Bram Moolenaar <Bram@vim.org> parents: 15265 diff changeset	5567 emsg(_(e_log_open_failed));
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5568 log_fd = stderr;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5569 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5570 #endif
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5571
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5572 thislist = &list[0];
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5573 thislist->n = 0;
5227 a08fa2919f2b updated for version 7.4a.039 Bram Moolenaar <bram@vim.org> parents: 5221 diff changeset	5574 thislist->has_pim = FALSE;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5575 nextlist = &list[1];
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5576 nextlist->n = 0;
5227 a08fa2919f2b updated for version 7.4a.039 Bram Moolenaar <bram@vim.org> parents: 5221 diff changeset	5577 nextlist->has_pim = FALSE;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5578 #ifdef ENABLE_LOG
4797 a30e3762957d updated for version 7.3.1145 Bram Moolenaar <bram@vim.org> parents: 4787 diff changeset	5579 fprintf(log_fd, "(---) STARTSTATE first\n");
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5580 #endif
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	5581 thislist->id = rex.nfa_listid + 1;
4797 a30e3762957d updated for version 7.3.1145 Bram Moolenaar <bram@vim.org> parents: 4787 diff changeset	5582
a30e3762957d updated for version 7.3.1145 Bram Moolenaar <bram@vim.org> parents: 4787 diff changeset	5583 /* Inline optimized code for addstate(thislist, start, m, 0) if we know
a30e3762957d updated for version 7.3.1145 Bram Moolenaar <bram@vim.org> parents: 4787 diff changeset	5584 * it's the first MOPEN. */
a30e3762957d updated for version 7.3.1145 Bram Moolenaar <bram@vim.org> parents: 4787 diff changeset	5585 if (toplevel)
a30e3762957d updated for version 7.3.1145 Bram Moolenaar <bram@vim.org> parents: 4787 diff changeset	5586 {
a30e3762957d updated for version 7.3.1145 Bram Moolenaar <bram@vim.org> parents: 4787 diff changeset	5587 if (REG_MULTI)
a30e3762957d updated for version 7.3.1145 Bram Moolenaar <bram@vim.org> parents: 4787 diff changeset	5588 {
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	5589 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	5590 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	5591 }
a30e3762957d updated for version 7.3.1145 Bram Moolenaar <bram@vim.org> parents: 4787 diff changeset	5592 else
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	5593 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	5594 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	5595 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	5596 }
a30e3762957d updated for version 7.3.1145 Bram Moolenaar <bram@vim.org> parents: 4787 diff changeset	5597 else
15796 481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	5598 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	5599 if (r == NULL)
481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	5600 {
481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	5601 nfa_match = NFA_TOO_EXPENSIVE;
481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	5602 goto theend;
481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	5603 }
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5604
4783 47222d8b1e94 updated for version 7.3.1138 Bram Moolenaar <bram@vim.org> parents: 4781 diff changeset	5605 #define ADD_STATE_IF_MATCH(state) \
47222d8b1e94 updated for version 7.3.1138 Bram Moolenaar <bram@vim.org> parents: 4781 diff changeset	5606 if (result) { \
4726 3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	5607 add_state = state->out; \
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	5608 add_off = clen; \
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	5609 }
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5610
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5611 /*
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5612 * Run for each character.
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5613 */
4515 90e9917d4114 updated for version 7.3.1005 Bram Moolenaar <bram@vim.org> parents: 4507 diff changeset	5614 for (;;)
90e9917d4114 updated for version 7.3.1005 Bram Moolenaar <bram@vim.org> parents: 4507 diff changeset	5615 {
4549 849180347ac3 updated for version 7.3.1022 Bram Moolenaar <bram@vim.org> parents: 4547 diff changeset	5616 int curc;
849180347ac3 updated for version 7.3.1022 Bram Moolenaar <bram@vim.org> parents: 4547 diff changeset	5617 int clen;
849180347ac3 updated for version 7.3.1022 Bram Moolenaar <bram@vim.org> parents: 4547 diff changeset	5618
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5619 if (has_mbyte)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5620 {
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	5621 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	5622 clen = (*mb_ptr2len)(rex.input);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5623 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5624 else
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5625 {
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	5626 curc = *rex.input;
4549 849180347ac3 updated for version 7.3.1022 Bram Moolenaar <bram@vim.org> parents: 4547 diff changeset	5627 clen = 1;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5628 }
4549 849180347ac3 updated for version 7.3.1022 Bram Moolenaar <bram@vim.org> parents: 4547 diff changeset	5629 if (curc == NUL)
4515 90e9917d4114 updated for version 7.3.1005 Bram Moolenaar <bram@vim.org> parents: 4507 diff changeset	5630 {
4549 849180347ac3 updated for version 7.3.1022 Bram Moolenaar <bram@vim.org> parents: 4547 diff changeset	5631 clen = 0;
4515 90e9917d4114 updated for version 7.3.1005 Bram Moolenaar <bram@vim.org> parents: 4507 diff changeset	5632 go_to_nextline = FALSE;
90e9917d4114 updated for version 7.3.1005 Bram Moolenaar <bram@vim.org> parents: 4507 diff changeset	5633 }
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5634
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5635 /* swap lists */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5636 thislist = &list[flag];
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5637 nextlist = &list[flag ^= 1];
4571 b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	5638 nextlist->n = 0; /* clear nextlist */
5227 a08fa2919f2b updated for version 7.4a.039 Bram Moolenaar <bram@vim.org> parents: 5221 diff changeset	5639 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	5640 ++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	5641 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	5642 && (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	5643 # ifdef FEAT_EVAL
4b59671bce9c patch 8.1.0104: can't build without the +eval feature Christian Brabandt <cb@256bit.org> parents: 14163 diff changeset	5644 \|\| 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	5645 # endif
4b59671bce9c patch 8.1.0104: can't build without the +eval feature Christian Brabandt <cb@256bit.org> parents: 14163 diff changeset	5646 ))
6328 adfbffe1e642 updated for version 7.4.497 Bram Moolenaar <bram@vim.org> parents: 6280 diff changeset	5647 {
adfbffe1e642 updated for version 7.4.497 Bram Moolenaar <bram@vim.org> parents: 6280 diff changeset	5648 /* too many states, retry with old engine */
adfbffe1e642 updated for version 7.4.497 Bram Moolenaar <bram@vim.org> parents: 6280 diff changeset	5649 nfa_match = NFA_TOO_EXPENSIVE;
adfbffe1e642 updated for version 7.4.497 Bram Moolenaar <bram@vim.org> parents: 6280 diff changeset	5650 goto theend;
adfbffe1e642 updated for version 7.4.497 Bram Moolenaar <bram@vim.org> parents: 6280 diff changeset	5651 }
adfbffe1e642 updated for version 7.4.497 Bram Moolenaar <bram@vim.org> parents: 6280 diff changeset	5652
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	5653 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	5654 nextlist->id = rex.nfa_listid + 1;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5655
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5656 #ifdef ENABLE_LOG
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5657 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	5658 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	5659 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	5660 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	5661 {
849180347ac3 updated for version 7.3.1022 Bram Moolenaar <bram@vim.org> parents: 4547 diff changeset	5662 int i;
849180347ac3 updated for version 7.3.1022 Bram Moolenaar <bram@vim.org> parents: 4547 diff changeset	5663
849180347ac3 updated for version 7.3.1022 Bram Moolenaar <bram@vim.org> parents: 4547 diff changeset	5664 for (i = 0; i < thislist->n; i++)
849180347ac3 updated for version 7.3.1022 Bram Moolenaar <bram@vim.org> parents: 4547 diff changeset	5665 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	5666 }
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5667 fprintf(log_fd, "\n");
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5668 #endif
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5669
4460 fe8a0a6a1c2a updated for version 7.3.978 Bram Moolenaar <bram@vim.org> parents: 4458 diff changeset	5670 #ifdef NFA_REGEXP_DEBUG_LOG
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5671 fprintf(debug, "\n-------------------\n");
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5672 #endif
4480 035fb0d5e7ce updated for version 7.3.988 Bram Moolenaar <bram@vim.org> parents: 4470 diff changeset	5673 /*
035fb0d5e7ce updated for version 7.3.988 Bram Moolenaar <bram@vim.org> parents: 4470 diff changeset	5674 * 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	5675 */
4783 47222d8b1e94 updated for version 7.3.1138 Bram Moolenaar <bram@vim.org> parents: 4781 diff changeset	5676 if (thislist->n == 0)
4480 035fb0d5e7ce updated for version 7.3.988 Bram Moolenaar <bram@vim.org> parents: 4470 diff changeset	5677 break;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5678
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5679 /* compute nextlist */
4783 47222d8b1e94 updated for version 7.3.1138 Bram Moolenaar <bram@vim.org> parents: 4781 diff changeset	5680 for (listidx = 0; listidx < thislist->n; ++listidx)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5681 {
11521 578df034735d patch 8.0.0643: when a pattern search is slow Vim becomes unusable Christian Brabandt <cb@256bit.org> parents: 11480 diff changeset	5682 /* If the list gets very long there probably is something wrong.
578df034735d patch 8.0.0643: when a pattern search is slow Vim becomes unusable Christian Brabandt <cb@256bit.org> parents: 11480 diff changeset	5683 * At least allow interrupting with CTRL-C. */
578df034735d patch 8.0.0643: when a pattern search is slow Vim becomes unusable Christian Brabandt <cb@256bit.org> parents: 11480 diff changeset	5684 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	5685 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	5686 break;
578df034735d patch 8.0.0643: when a pattern search is slow Vim becomes unusable Christian Brabandt <cb@256bit.org> parents: 11480 diff changeset	5687 #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	5688 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	5689 {
578df034735d patch 8.0.0643: when a pattern search is slow Vim becomes unusable Christian Brabandt <cb@256bit.org> parents: 11480 diff changeset	5690 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	5691 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	5692 break;
578df034735d patch 8.0.0643: when a pattern search is slow Vim becomes unusable Christian Brabandt <cb@256bit.org> parents: 11480 diff changeset	5693 }
578df034735d patch 8.0.0643: when a pattern search is slow Vim becomes unusable Christian Brabandt <cb@256bit.org> parents: 11480 diff changeset	5694 #endif
4783 47222d8b1e94 updated for version 7.3.1138 Bram Moolenaar <bram@vim.org> parents: 4781 diff changeset	5695 t = &thislist->t[listidx];
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5696
4460 fe8a0a6a1c2a updated for version 7.3.978 Bram Moolenaar <bram@vim.org> parents: 4458 diff changeset	5697 #ifdef NFA_REGEXP_DEBUG_LOG
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5698 nfa_set_code(t->state->c);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5699 fprintf(debug, "%s, ", code);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5700 #endif
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5701 #ifdef ENABLE_LOG
4657 93b7ed814bec updated for version 7.3.1076 Bram Moolenaar <bram@vim.org> parents: 4655 diff changeset	5702 {
93b7ed814bec updated for version 7.3.1076 Bram Moolenaar <bram@vim.org> parents: 4655 diff changeset	5703 int col;
93b7ed814bec updated for version 7.3.1076 Bram Moolenaar <bram@vim.org> parents: 4655 diff changeset	5704
4690 9d97a0c045ef updated for version 7.3.1092 Bram Moolenaar <bram@vim.org> parents: 4688 diff changeset	5705 if (t->subs.norm.in_use <= 0)
4657 93b7ed814bec updated for version 7.3.1076 Bram Moolenaar <bram@vim.org> parents: 4655 diff changeset	5706 col = -1;
93b7ed814bec updated for version 7.3.1076 Bram Moolenaar <bram@vim.org> parents: 4655 diff changeset	5707 else if (REG_MULTI)
6547 436d6c9e57f2 updated for version 7.4.600 Bram Moolenaar <bram@vim.org> parents: 6545 diff changeset	5708 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	5709 else
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	5710 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	5711 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	5712 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	5713 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	5714 pim_info(&t->pim));
4657 93b7ed814bec updated for version 7.3.1076 Bram Moolenaar <bram@vim.org> parents: 4655 diff changeset	5715 }
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5716 #endif
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5717
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5718 /*
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5719 * Handle the possible codes of the current state.
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5720 * The most important is NFA_MATCH.
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5721 */
4726 3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	5722 add_state = NULL;
4799 e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	5723 add_here = FALSE;
4726 3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	5724 add_count = 0;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5725 switch (t->state->c)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5726 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5727 case NFA_MATCH:
4567 96c1a7850097 updated for version 7.3.1031 Bram Moolenaar <bram@vim.org> parents: 4565 diff changeset	5728 {
5901 10fc95f48546 updated for version 7.4.293 Bram Moolenaar <bram@vim.org> parents: 5895 diff changeset	5729 /* If the match ends before a composing characters and
10245 d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10170 diff changeset	5730 * rex.reg_icombine is not set, that is not really a match. */
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10170 diff changeset	5731 if (enc_utf8 && !rex.reg_icombine && utf_iscomposing(curc))
5901 10fc95f48546 updated for version 7.4.293 Bram Moolenaar <bram@vim.org> parents: 5895 diff changeset	5732 break;
15603 639b8318472c patch 8.1.0809: too many #ifdefs Bram Moolenaar <Bram@vim.org> parents: 15490 diff changeset	5733
4561 4d81fdda8f35 updated for version 7.3.1028 Bram Moolenaar <bram@vim.org> parents: 4559 diff changeset	5734 nfa_match = TRUE;
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	5735 copy_sub(&submatch->norm, &t->subs.norm);
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	5736 #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	5737 if (rex.nfa_has_zsubexpr)
4712 832bf8136d86 updated for version 7.3.1103 Bram Moolenaar <bram@vim.org> parents: 4696 diff changeset	5738 copy_sub(&submatch->synt, &t->subs.synt);
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	5739 #endif
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5740 #ifdef ENABLE_LOG
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	5741 log_subsexpr(&t->subs);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5742 #endif
4515 90e9917d4114 updated for version 7.3.1005 Bram Moolenaar <bram@vim.org> parents: 4507 diff changeset	5743 /* Found the left-most longest match, do not look at any other
4553 7b835b2969af updated for version 7.3.1024 Bram Moolenaar <bram@vim.org> parents: 4551 diff changeset	5744 * states at this position. When the list of states is going
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	5745 * to be empty quit without advancing, so that "rex.input" is
4553 7b835b2969af updated for version 7.3.1024 Bram Moolenaar <bram@vim.org> parents: 4551 diff changeset	5746 * correct. */
4783 47222d8b1e94 updated for version 7.3.1138 Bram Moolenaar <bram@vim.org> parents: 4781 diff changeset	5747 if (nextlist->n == 0)
4553 7b835b2969af updated for version 7.3.1024 Bram Moolenaar <bram@vim.org> parents: 4551 diff changeset	5748 clen = 0;
4515 90e9917d4114 updated for version 7.3.1005 Bram Moolenaar <bram@vim.org> parents: 4507 diff changeset	5749 goto nextchar;
4567 96c1a7850097 updated for version 7.3.1031 Bram Moolenaar <bram@vim.org> parents: 4565 diff changeset	5750 }
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5751
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5752 case NFA_END_INVISIBLE:
4785 3b5a023a4543 updated for version 7.3.1139 Bram Moolenaar <bram@vim.org> parents: 4783 diff changeset	5753 case NFA_END_INVISIBLE_NEG:
4750 7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	5754 case NFA_END_PATTERN:
4716 a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5755 /*
a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5756 * 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	5757 * NFA_START_INVISIBLE_BEFORE node.
2f51ee8825db updated for version 7.3.1088 Bram Moolenaar <bram@vim.org> parents: 4679 diff changeset	5758 * They surround a zero-width group, used with "\@=", "\&",
2f51ee8825db updated for version 7.3.1088 Bram Moolenaar <bram@vim.org> parents: 4679 diff changeset	5759 * "\@!", "\@<=" and "\@<!".
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5760 * 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	5761 * 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	5762 * 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	5763 * in the position in "nfa_endp".
a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5764 * 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	5765 */
4682 2f51ee8825db updated for version 7.3.1088 Bram Moolenaar <bram@vim.org> parents: 4679 diff changeset	5766 #ifdef ENABLE_LOG
4716 a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5767 if (nfa_endp != NULL)
a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5768 {
a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5769 if (REG_MULTI)
a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5770 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	5771 (int)rex.lnum,
4716 a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5772 (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	5773 (int)(rex.input - rex.line),
4716 a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5774 nfa_endp->se_u.pos.col);
a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5775 else
a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5776 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	5777 (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	5778 (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	5779 }
4682 2f51ee8825db updated for version 7.3.1088 Bram Moolenaar <bram@vim.org> parents: 4679 diff changeset	5780 #endif
4750 7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	5781 /* If "nfa_endp" is set it's only a match if it ends at
7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	5782 * "nfa_endp" */
4716 a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5783 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	5784 ? (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	5785 \|\| (int)(rex.input - rex.line)
4716 a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5786 != 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	5787 : rex.input != nfa_endp->se_u.ptr))
4716 a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5788 break;
a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5789
a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5790 /* do not set submatches for \@! */
4785 3b5a023a4543 updated for version 7.3.1139 Bram Moolenaar <bram@vim.org> parents: 4783 diff changeset	5791 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	5792 {
a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5793 copy_sub(&m->norm, &t->subs.norm);
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	5794 #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	5795 if (rex.nfa_has_zsubexpr)
4716 a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5796 copy_sub(&m->synt, &t->subs.synt);
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	5797 #endif
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5798 }
4750 7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	5799 #ifdef ENABLE_LOG
7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	5800 fprintf(log_fd, "Match found:\n");
7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	5801 log_subsexpr(m);
7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	5802 #endif
4716 a804309e7327 updated for version 7.3.1105 Bram Moolenaar <bram@vim.org> parents: 4714 diff changeset	5803 nfa_match = TRUE;
5334 c1ae5baa41f4 updated for version 7.4.020 Bram Moolenaar <bram@vim.org> parents: 5310 diff changeset	5804 /* See comment above at "goto nextchar". */
c1ae5baa41f4 updated for version 7.4.020 Bram Moolenaar <bram@vim.org> parents: 5310 diff changeset	5805 if (nextlist->n == 0)
c1ae5baa41f4 updated for version 7.4.020 Bram Moolenaar <bram@vim.org> parents: 5310 diff changeset	5806 clen = 0;
c1ae5baa41f4 updated for version 7.4.020 Bram Moolenaar <bram@vim.org> parents: 5310 diff changeset	5807 goto nextchar;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5808
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5809 case NFA_START_INVISIBLE:
4845 a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	5810 case NFA_START_INVISIBLE_FIRST:
4785 3b5a023a4543 updated for version 7.3.1139 Bram Moolenaar <bram@vim.org> parents: 4783 diff changeset	5811 case NFA_START_INVISIBLE_NEG:
4845 a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	5812 case NFA_START_INVISIBLE_NEG_FIRST:
4682 2f51ee8825db updated for version 7.3.1088 Bram Moolenaar <bram@vim.org> parents: 4679 diff changeset	5813 case NFA_START_INVISIBLE_BEFORE:
4845 a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	5814 case NFA_START_INVISIBLE_BEFORE_FIRST:
4785 3b5a023a4543 updated for version 7.3.1139 Bram Moolenaar <bram@vim.org> parents: 4783 diff changeset	5815 case NFA_START_INVISIBLE_BEFORE_NEG:
4845 a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	5816 case NFA_START_INVISIBLE_BEFORE_NEG_FIRST:
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5817 {
4821 2f1ee97f5f23 updated for version 7.3.1157 Bram Moolenaar <bram@vim.org> parents: 4819 diff changeset	5818 #ifdef ENABLE_LOG
2f1ee97f5f23 updated for version 7.3.1157 Bram Moolenaar <bram@vim.org> parents: 4819 diff changeset	5819 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	5820 failure_chance(t->state->out, 0),
2f1ee97f5f23 updated for version 7.3.1157 Bram Moolenaar <bram@vim.org> parents: 4819 diff changeset	5821 failure_chance(t->state->out1->out, 0));
2f1ee97f5f23 updated for version 7.3.1157 Bram Moolenaar <bram@vim.org> parents: 4819 diff changeset	5822 #endif
4845 a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	5823 /* Do it directly if there already is a PIM or when
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	5824 * nfa_postprocess() detected it will work better. */
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	5825 if (t->pim.result != NFA_PIM_UNUSED
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	5826 \|\| t->state->c == NFA_START_INVISIBLE_FIRST
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	5827 \|\| t->state->c == NFA_START_INVISIBLE_NEG_FIRST
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	5828 \|\| t->state->c == NFA_START_INVISIBLE_BEFORE_FIRST
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	5829 \|\| 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	5830 {
5029 c9e2ccc53f2e updated for version 7.3.1258 Bram Moolenaar <bram@vim.org> parents: 5006 diff changeset	5831 int in_use = m->norm.in_use;
c9e2ccc53f2e updated for version 7.3.1258 Bram Moolenaar <bram@vim.org> parents: 5006 diff changeset	5832
5370 90e2f0729a0d updated for version 7.4.036 Bram Moolenaar <bram@vim.org> parents: 5360 diff changeset	5833 /* Copy submatch info for the recursive call, opposite
90e2f0729a0d updated for version 7.4.036 Bram Moolenaar <bram@vim.org> parents: 5360 diff changeset	5834 * of what happens on success below. */
4997 8a7d3a73adab updated for version 7.3.1243 Bram Moolenaar <bram@vim.org> parents: 4958 diff changeset	5835 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	5836 #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	5837 if (rex.nfa_has_zsubexpr)
5370 90e2f0729a0d updated for version 7.4.036 Bram Moolenaar <bram@vim.org> parents: 5360 diff changeset	5838 copy_sub_off(&m->synt, &t->subs.synt);
90e2f0729a0d updated for version 7.4.036 Bram Moolenaar <bram@vim.org> parents: 5360 diff changeset	5839 #endif
4997 8a7d3a73adab updated for version 7.3.1243 Bram Moolenaar <bram@vim.org> parents: 4958 diff changeset	5840
4726 3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	5841 /*
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	5842 * First try matching the invisible match, then what
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	5843 * follows.
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	5844 */
4813 bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	5845 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	5846 submatch, m, &listids, &listids_len);
6328 adfbffe1e642 updated for version 7.4.497 Bram Moolenaar <bram@vim.org> parents: 6280 diff changeset	5847 if (result == NFA_TOO_EXPENSIVE)
adfbffe1e642 updated for version 7.4.497 Bram Moolenaar <bram@vim.org> parents: 6280 diff changeset	5848 {
adfbffe1e642 updated for version 7.4.497 Bram Moolenaar <bram@vim.org> parents: 6280 diff changeset	5849 nfa_match = result;
adfbffe1e642 updated for version 7.4.497 Bram Moolenaar <bram@vim.org> parents: 6280 diff changeset	5850 goto theend;
adfbffe1e642 updated for version 7.4.497 Bram Moolenaar <bram@vim.org> parents: 6280 diff changeset	5851 }
4726 3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	5852
4785 3b5a023a4543 updated for version 7.3.1139 Bram Moolenaar <bram@vim.org> parents: 4783 diff changeset	5853 /* for \@! and \@<! it is a match when the result is
3b5a023a4543 updated for version 7.3.1139 Bram Moolenaar <bram@vim.org> parents: 4783 diff changeset	5854 * FALSE */
3b5a023a4543 updated for version 7.3.1139 Bram Moolenaar <bram@vim.org> parents: 4783 diff changeset	5855 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	5856 \|\| t->state->c == NFA_START_INVISIBLE_NEG_FIRST
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	5857 \|\| t->state->c
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	5858 == NFA_START_INVISIBLE_BEFORE_NEG
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	5859 \|\| t->state->c
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	5860 == NFA_START_INVISIBLE_BEFORE_NEG_FIRST))
4726 3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	5861 {
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	5862 /* Copy submatch info from the recursive call */
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	5863 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	5864 #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	5865 if (rex.nfa_has_zsubexpr)
4768 82e6588762e4 updated for version 7.3.1131 Bram Moolenaar <bram@vim.org> parents: 4762 diff changeset	5866 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	5867 #endif
5372 c3d379c2a115 updated for version 7.4.037 Bram Moolenaar <bram@vim.org> parents: 5370 diff changeset	5868 /* If the pattern has \ze and it matched in the
c3d379c2a115 updated for version 7.4.037 Bram Moolenaar <bram@vim.org> parents: 5370 diff changeset	5869 * sub pattern, use it. */
c3d379c2a115 updated for version 7.4.037 Bram Moolenaar <bram@vim.org> parents: 5370 diff changeset	5870 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	5871
4726 3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	5872 /* t->state->out1 is the corresponding
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	5873 * END_INVISIBLE node; Add its out to the current
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	5874 * list (zero-width match). */
4799 e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	5875 add_here = TRUE;
e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	5876 add_state = t->state->out1->out;
4726 3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	5877 }
5029 c9e2ccc53f2e updated for version 7.3.1258 Bram Moolenaar <bram@vim.org> parents: 5006 diff changeset	5878 m->norm.in_use = in_use;
4726 3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	5879 }
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	5880 else
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	5881 {
4813 bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	5882 nfa_pim_T pim;
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	5883
4726 3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	5884 /*
4813 bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	5885 * 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	5886 * 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	5887 * 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	5888 * about the invisible match.
4726 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 pim.state = t->state;
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	5891 pim.result = NFA_PIM_TODO;
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	5892 pim.subs.norm.in_use = 0;
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	5893 #ifdef FEAT_SYN_HL
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	5894 pim.subs.synt.in_use = 0;
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	5895 #endif
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	5896 if (REG_MULTI)
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	5897 {
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	5898 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	5899 pim.end.pos.lnum = rex.lnum;
4813 bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	5900 }
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	5901 else
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	5902 pim.end.ptr = rex.input;
4726 3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	5903
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	5904 /* t->state->out1 is the corresponding END_INVISIBLE
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	5905 * node; Add its out to the current list (zero-width
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	5906 * match). */
15796 481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	5907 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	5908 &t->subs, &pim, &listidx) == NULL)
481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	5909 {
481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	5910 nfa_match = NFA_TOO_EXPENSIVE;
481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	5911 goto theend;
481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	5912 }
4726 3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	5913 }
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5914 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5915 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	5916
4750 7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	5917 case NFA_START_PATTERN:
4787 7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	5918 {
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	5919 nfa_state_T *skip = NULL;
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	5920 #ifdef ENABLE_LOG
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	5921 int skip_lid = 0;
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	5922 #endif
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	5923
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	5924 /* There is no point in trying to match the pattern if the
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	5925 * output state is not going to be added to the list. */
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	5926 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	5927 {
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	5928 skip = t->state->out1->out;
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	5929 #ifdef ENABLE_LOG
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	5930 skip_lid = nextlist->id;
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	5931 #endif
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	5932 }
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	5933 else if (state_in_list(nextlist,
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	5934 t->state->out1->out->out, &t->subs))
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	5935 {
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	5936 skip = t->state->out1->out->out;
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	5937 #ifdef ENABLE_LOG
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	5938 skip_lid = nextlist->id;
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	5939 #endif
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	5940 }
4897 91136a41f83f updated for version 7.3.1194 Bram Moolenaar <bram@vim.org> parents: 4893 diff changeset	5941 else if (state_in_list(thislist,
4787 7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	5942 t->state->out1->out->out, &t->subs))
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	5943 {
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	5944 skip = t->state->out1->out->out;
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	5945 #ifdef ENABLE_LOG
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	5946 skip_lid = thislist->id;
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	5947 #endif
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	5948 }
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	5949 if (skip != NULL)
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	5950 {
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	5951 #ifdef ENABLE_LOG
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	5952 nfa_set_code(skip->c);
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	5953 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	5954 abs(skip->id), skip_lid, skip->c, code);
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	5955 #endif
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	5956 break;
7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	5957 }
5370 90e2f0729a0d updated for version 7.4.036 Bram Moolenaar <bram@vim.org> parents: 5360 diff changeset	5958 /* Copy submatch info to the recursive call, opposite of what
90e2f0729a0d updated for version 7.4.036 Bram Moolenaar <bram@vim.org> parents: 5360 diff changeset	5959 * happens afterwards. */
90e2f0729a0d updated for version 7.4.036 Bram Moolenaar <bram@vim.org> parents: 5360 diff changeset	5960 copy_sub_off(&m->norm, &t->subs.norm);
90e2f0729a0d updated for version 7.4.036 Bram Moolenaar <bram@vim.org> parents: 5360 diff changeset	5961 #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	5962 if (rex.nfa_has_zsubexpr)
5370 90e2f0729a0d updated for version 7.4.036 Bram Moolenaar <bram@vim.org> parents: 5360 diff changeset	5963 copy_sub_off(&m->synt, &t->subs.synt);
90e2f0729a0d updated for version 7.4.036 Bram Moolenaar <bram@vim.org> parents: 5360 diff changeset	5964 #endif
4787 7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	5965
4750 7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	5966 /* First try matching the pattern. */
4813 bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	5967 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	5968 submatch, m, &listids, &listids_len);
6328 adfbffe1e642 updated for version 7.4.497 Bram Moolenaar <bram@vim.org> parents: 6280 diff changeset	5969 if (result == NFA_TOO_EXPENSIVE)
adfbffe1e642 updated for version 7.4.497 Bram Moolenaar <bram@vim.org> parents: 6280 diff changeset	5970 {
adfbffe1e642 updated for version 7.4.497 Bram Moolenaar <bram@vim.org> parents: 6280 diff changeset	5971 nfa_match = result;
adfbffe1e642 updated for version 7.4.497 Bram Moolenaar <bram@vim.org> parents: 6280 diff changeset	5972 goto theend;
adfbffe1e642 updated for version 7.4.497 Bram Moolenaar <bram@vim.org> parents: 6280 diff changeset	5973 }
4750 7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	5974 if (result)
7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	5975 {
7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	5976 int bytelen;
7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	5977
7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	5978 #ifdef ENABLE_LOG
7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	5979 fprintf(log_fd, "NFA_START_PATTERN matches:\n");
7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	5980 log_subsexpr(m);
7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	5981 #endif
7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	5982 /* Copy submatch info from the recursive call */
7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	5983 copy_sub_off(&t->subs.norm, &m->norm);
7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	5984 #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	5985 if (rex.nfa_has_zsubexpr)
4768 82e6588762e4 updated for version 7.3.1131 Bram Moolenaar <bram@vim.org> parents: 4762 diff changeset	5986 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	5987 #endif
7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	5988 /* Now we need to skip over the matched text and then
7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	5989 * continue with what follows. */
7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	5990 if (REG_MULTI)
7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	5991 /* TODO: multi-line match */
6547 436d6c9e57f2 updated for version 7.4.600 Bram Moolenaar <bram@vim.org> parents: 6545 diff changeset	5992 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	5993 - (int)(rex.input - rex.line);
4750 7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	5994 else
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	5995 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	5996
7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	5997 #ifdef ENABLE_LOG
7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	5998 fprintf(log_fd, "NFA_START_PATTERN length: %d\n", bytelen);
7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	5999 #endif
7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	6000 if (bytelen == 0)
7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	6001 {
7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	6002 /* empty match, output of corresponding
7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	6003 * NFA_END_PATTERN/NFA_SKIP to be used at current
7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	6004 * position */
4799 e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6005 add_here = TRUE;
e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6006 add_state = t->state->out1->out->out;
4750 7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	6007 }
7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	6008 else if (bytelen <= clen)
7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	6009 {
7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	6010 /* match current character, output of corresponding
7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	6011 * NFA_END_PATTERN to be used at next position. */
7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	6012 add_state = t->state->out1->out->out;
7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	6013 add_off = clen;
7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	6014 }
7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	6015 else
7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	6016 {
7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	6017 /* skip over the matched characters, set character
7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	6018 * count in NFA_SKIP */
7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	6019 add_state = t->state->out1->out;
7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	6020 add_off = bytelen;
7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	6021 add_count = bytelen - clen;
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 }
7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	6024 break;
4787 7fde662e1db2 updated for version 7.3.1140 Bram Moolenaar <bram@vim.org> parents: 4785 diff changeset	6025 }
4750 7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	6026
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6027 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	6028 if (rex.input == rex.line)
4799 e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6029 {
e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6030 add_here = TRUE;
e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6031 add_state = t->state->out;
e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6032 }
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6033 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6034
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6035 case NFA_EOL:
4549 849180347ac3 updated for version 7.3.1022 Bram Moolenaar <bram@vim.org> parents: 4547 diff changeset	6036 if (curc == NUL)
4799 e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6037 {
e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6038 add_here = TRUE;
e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6039 add_state = t->state->out;
e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6040 }
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6041 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6042
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6043 case NFA_BOW:
4785 3b5a023a4543 updated for version 7.3.1139 Bram Moolenaar <bram@vim.org> parents: 4783 diff changeset	6044 result = TRUE;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6045
4549 849180347ac3 updated for version 7.3.1022 Bram Moolenaar <bram@vim.org> parents: 4547 diff changeset	6046 if (curc == NUL)
4785 3b5a023a4543 updated for version 7.3.1139 Bram Moolenaar <bram@vim.org> parents: 4783 diff changeset	6047 result = FALSE;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6048 else if (has_mbyte)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6049 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6050 int this_class;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6051
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6052 /* 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	6053 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	6054 if (this_class <= 1)
4785 3b5a023a4543 updated for version 7.3.1139 Bram Moolenaar <bram@vim.org> parents: 4783 diff changeset	6055 result = FALSE;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6056 else if (reg_prev_class() == this_class)
4785 3b5a023a4543 updated for version 7.3.1139 Bram Moolenaar <bram@vim.org> parents: 4783 diff changeset	6057 result = FALSE;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6058 }
10245 d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10170 diff changeset	6059 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	6060 \|\| (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	6061 && 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	6062 result = FALSE;
3b5a023a4543 updated for version 7.3.1139 Bram Moolenaar <bram@vim.org> parents: 4783 diff changeset	6063 if (result)
4799 e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6064 {
e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6065 add_here = TRUE;
e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6066 add_state = t->state->out;
e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6067 }
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6068 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6069
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6070 case NFA_EOW:
4785 3b5a023a4543 updated for version 7.3.1139 Bram Moolenaar <bram@vim.org> parents: 4783 diff changeset	6071 result = TRUE;
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	6072 if (rex.input == rex.line)
4785 3b5a023a4543 updated for version 7.3.1139 Bram Moolenaar <bram@vim.org> parents: 4783 diff changeset	6073 result = FALSE;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6074 else if (has_mbyte)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6075 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6076 int this_class, prev_class;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6077
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6078 /* 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	6079 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	6080 prev_class = reg_prev_class();
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6081 if (this_class == prev_class
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6082 \|\| prev_class == 0 \|\| prev_class == 1)
4785 3b5a023a4543 updated for version 7.3.1139 Bram Moolenaar <bram@vim.org> parents: 4783 diff changeset	6083 result = FALSE;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6084 }
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	6085 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	6086 \|\| (rex.input[0] != NUL
10245 d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10170 diff changeset	6087 && vim_iswordc_buf(curc, rex.reg_buf)))
4785 3b5a023a4543 updated for version 7.3.1139 Bram Moolenaar <bram@vim.org> parents: 4783 diff changeset	6088 result = FALSE;
3b5a023a4543 updated for version 7.3.1139 Bram Moolenaar <bram@vim.org> parents: 4783 diff changeset	6089 if (result)
4799 e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6090 {
e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6091 add_here = TRUE;
e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6092 add_state = t->state->out;
e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6093 }
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6094 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6095
4671 b3c59716e700 updated for version 7.3.1083 Bram Moolenaar <bram@vim.org> parents: 4669 diff changeset	6096 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	6097 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	6098 && (!REG_MULTI \|\| rex.reg_firstlnum == 1))
4799 e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6099 {
e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6100 add_here = TRUE;
e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6101 add_state = t->state->out;
e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6102 }
4671 b3c59716e700 updated for version 7.3.1083 Bram Moolenaar <bram@vim.org> parents: 4669 diff changeset	6103 break;
b3c59716e700 updated for version 7.3.1083 Bram Moolenaar <bram@vim.org> parents: 4669 diff changeset	6104
b3c59716e700 updated for version 7.3.1083 Bram Moolenaar <bram@vim.org> parents: 4669 diff changeset	6105 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	6106 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	6107 {
e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6108 add_here = TRUE;
e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6109 add_state = t->state->out;
e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6110 }
4671 b3c59716e700 updated for version 7.3.1083 Bram Moolenaar <bram@vim.org> parents: 4669 diff changeset	6111 break;
b3c59716e700 updated for version 7.3.1083 Bram Moolenaar <bram@vim.org> parents: 4669 diff changeset	6112
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6113 case NFA_COMPOSING:
4527 55bcaa1d2749 updated for version 7.3.1011 Bram Moolenaar <bram@vim.org> parents: 4525 diff changeset	6114 {
4549 849180347ac3 updated for version 7.3.1022 Bram Moolenaar <bram@vim.org> parents: 4547 diff changeset	6115 int mc = curc;
4531 1be43c095aff updated for version 7.3.1013 Bram Moolenaar <bram@vim.org> parents: 4529 diff changeset	6116 int len = 0;
1be43c095aff updated for version 7.3.1013 Bram Moolenaar <bram@vim.org> parents: 4529 diff changeset	6117 nfa_state_T *end;
1be43c095aff updated for version 7.3.1013 Bram Moolenaar <bram@vim.org> parents: 4529 diff changeset	6118 nfa_state_T *sta;
4547 fc997f05cbc7 updated for version 7.3.1021 Bram Moolenaar <bram@vim.org> parents: 4543 diff changeset	6119 int cchars[MAX_MCO];
fc997f05cbc7 updated for version 7.3.1021 Bram Moolenaar <bram@vim.org> parents: 4543 diff changeset	6120 int ccount = 0;
fc997f05cbc7 updated for version 7.3.1021 Bram Moolenaar <bram@vim.org> parents: 4543 diff changeset	6121 int j;
fc997f05cbc7 updated for version 7.3.1021 Bram Moolenaar <bram@vim.org> parents: 4543 diff changeset	6122
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6123 sta = t->state->out;
4527 55bcaa1d2749 updated for version 7.3.1011 Bram Moolenaar <bram@vim.org> parents: 4525 diff changeset	6124 len = 0;
4535 45f97c349537 updated for version 7.3.1015 Bram Moolenaar <bram@vim.org> parents: 4533 diff changeset	6125 if (utf_iscomposing(sta->c))
45f97c349537 updated for version 7.3.1015 Bram Moolenaar <bram@vim.org> parents: 4533 diff changeset	6126 {
45f97c349537 updated for version 7.3.1015 Bram Moolenaar <bram@vim.org> parents: 4533 diff changeset	6127 /* Only match composing character(s), ignore base
45f97c349537 updated for version 7.3.1015 Bram Moolenaar <bram@vim.org> parents: 4533 diff changeset	6128 * character. Used for ".{composing}" and "{composing}"
45f97c349537 updated for version 7.3.1015 Bram Moolenaar <bram@vim.org> parents: 4533 diff changeset	6129 * (no preceding character). */
4549 849180347ac3 updated for version 7.3.1022 Bram Moolenaar <bram@vim.org> parents: 4547 diff changeset	6130 len += mb_char2len(mc);
4535 45f97c349537 updated for version 7.3.1015 Bram Moolenaar <bram@vim.org> parents: 4533 diff changeset	6131 }
10245 d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10170 diff changeset	6132 if (rex.reg_icombine && len == 0)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6133 {
4535 45f97c349537 updated for version 7.3.1015 Bram Moolenaar <bram@vim.org> parents: 4533 diff changeset	6134 /* If \Z was present, then ignore composing characters.
45f97c349537 updated for version 7.3.1015 Bram Moolenaar <bram@vim.org> parents: 4533 diff changeset	6135 * 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	6136 if (sta->c != curc)
4529 432a6b8c7d93 updated for version 7.3.1012 Bram Moolenaar <bram@vim.org> parents: 4527 diff changeset	6137 result = FAIL;
4547 fc997f05cbc7 updated for version 7.3.1021 Bram Moolenaar <bram@vim.org> parents: 4543 diff changeset	6138 else
fc997f05cbc7 updated for version 7.3.1021 Bram Moolenaar <bram@vim.org> parents: 4543 diff changeset	6139 result = OK;
4529 432a6b8c7d93 updated for version 7.3.1012 Bram Moolenaar <bram@vim.org> parents: 4527 diff changeset	6140 while (sta->c != NFA_END_COMPOSING)
432a6b8c7d93 updated for version 7.3.1012 Bram Moolenaar <bram@vim.org> parents: 4527 diff changeset	6141 sta = sta->out;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6142 }
4547 fc997f05cbc7 updated for version 7.3.1021 Bram Moolenaar <bram@vim.org> parents: 4543 diff changeset	6143
fc997f05cbc7 updated for version 7.3.1021 Bram Moolenaar <bram@vim.org> parents: 4543 diff changeset	6144 /* Check base character matches first, unless ignored. */
fc997f05cbc7 updated for version 7.3.1021 Bram Moolenaar <bram@vim.org> parents: 4543 diff changeset	6145 else if (len > 0 \|\| mc == sta->c)
fc997f05cbc7 updated for version 7.3.1021 Bram Moolenaar <bram@vim.org> parents: 4543 diff changeset	6146 {
fc997f05cbc7 updated for version 7.3.1021 Bram Moolenaar <bram@vim.org> parents: 4543 diff changeset	6147 if (len == 0)
4529 432a6b8c7d93 updated for version 7.3.1012 Bram Moolenaar <bram@vim.org> parents: 4527 diff changeset	6148 {
432a6b8c7d93 updated for version 7.3.1012 Bram Moolenaar <bram@vim.org> parents: 4527 diff changeset	6149 len += mb_char2len(mc);
432a6b8c7d93 updated for version 7.3.1012 Bram Moolenaar <bram@vim.org> parents: 4527 diff changeset	6150 sta = sta->out;
432a6b8c7d93 updated for version 7.3.1012 Bram Moolenaar <bram@vim.org> parents: 4527 diff changeset	6151 }
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6152
4547 fc997f05cbc7 updated for version 7.3.1021 Bram Moolenaar <bram@vim.org> parents: 4543 diff changeset	6153 /* We don't care about the order of composing characters.
fc997f05cbc7 updated for version 7.3.1021 Bram Moolenaar <bram@vim.org> parents: 4543 diff changeset	6154 * Get them into cchars[] first. */
4549 849180347ac3 updated for version 7.3.1022 Bram Moolenaar <bram@vim.org> parents: 4547 diff changeset	6155 while (len < clen)
4547 fc997f05cbc7 updated for version 7.3.1021 Bram Moolenaar <bram@vim.org> parents: 4543 diff changeset	6156 {
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	6157 mc = mb_ptr2char(rex.input + len);
4547 fc997f05cbc7 updated for version 7.3.1021 Bram Moolenaar <bram@vim.org> parents: 4543 diff changeset	6158 cchars[ccount++] = mc;
fc997f05cbc7 updated for version 7.3.1021 Bram Moolenaar <bram@vim.org> parents: 4543 diff changeset	6159 len += mb_char2len(mc);
fc997f05cbc7 updated for version 7.3.1021 Bram Moolenaar <bram@vim.org> parents: 4543 diff changeset	6160 if (ccount == MAX_MCO)
fc997f05cbc7 updated for version 7.3.1021 Bram Moolenaar <bram@vim.org> parents: 4543 diff changeset	6161 break;
fc997f05cbc7 updated for version 7.3.1021 Bram Moolenaar <bram@vim.org> parents: 4543 diff changeset	6162 }
fc997f05cbc7 updated for version 7.3.1021 Bram Moolenaar <bram@vim.org> parents: 4543 diff changeset	6163
fc997f05cbc7 updated for version 7.3.1021 Bram Moolenaar <bram@vim.org> parents: 4543 diff changeset	6164 /* Check that each composing char in the pattern matches a
fc997f05cbc7 updated for version 7.3.1021 Bram Moolenaar <bram@vim.org> parents: 4543 diff changeset	6165 * composing char in the text. We do not check if all
fc997f05cbc7 updated for version 7.3.1021 Bram Moolenaar <bram@vim.org> parents: 4543 diff changeset	6166 * composing chars are matched. */
fc997f05cbc7 updated for version 7.3.1021 Bram Moolenaar <bram@vim.org> parents: 4543 diff changeset	6167 result = OK;
fc997f05cbc7 updated for version 7.3.1021 Bram Moolenaar <bram@vim.org> parents: 4543 diff changeset	6168 while (sta->c != NFA_END_COMPOSING)
fc997f05cbc7 updated for version 7.3.1021 Bram Moolenaar <bram@vim.org> parents: 4543 diff changeset	6169 {
fc997f05cbc7 updated for version 7.3.1021 Bram Moolenaar <bram@vim.org> parents: 4543 diff changeset	6170 for (j = 0; j < ccount; ++j)
fc997f05cbc7 updated for version 7.3.1021 Bram Moolenaar <bram@vim.org> parents: 4543 diff changeset	6171 if (cchars[j] == sta->c)
fc997f05cbc7 updated for version 7.3.1021 Bram Moolenaar <bram@vim.org> parents: 4543 diff changeset	6172 break;
fc997f05cbc7 updated for version 7.3.1021 Bram Moolenaar <bram@vim.org> parents: 4543 diff changeset	6173 if (j == ccount)
fc997f05cbc7 updated for version 7.3.1021 Bram Moolenaar <bram@vim.org> parents: 4543 diff changeset	6174 {
fc997f05cbc7 updated for version 7.3.1021 Bram Moolenaar <bram@vim.org> parents: 4543 diff changeset	6175 result = FAIL;
fc997f05cbc7 updated for version 7.3.1021 Bram Moolenaar <bram@vim.org> parents: 4543 diff changeset	6176 break;
fc997f05cbc7 updated for version 7.3.1021 Bram Moolenaar <bram@vim.org> parents: 4543 diff changeset	6177 }
fc997f05cbc7 updated for version 7.3.1021 Bram Moolenaar <bram@vim.org> parents: 4543 diff changeset	6178 sta = sta->out;
fc997f05cbc7 updated for version 7.3.1021 Bram Moolenaar <bram@vim.org> parents: 4543 diff changeset	6179 }
fc997f05cbc7 updated for version 7.3.1021 Bram Moolenaar <bram@vim.org> parents: 4543 diff changeset	6180 }
fc997f05cbc7 updated for version 7.3.1021 Bram Moolenaar <bram@vim.org> parents: 4543 diff changeset	6181 else
4525 36ddcf4cecbc updated for version 7.3.1010 Bram Moolenaar <bram@vim.org> parents: 4517 diff changeset	6182 result = FAIL;
4547 fc997f05cbc7 updated for version 7.3.1021 Bram Moolenaar <bram@vim.org> parents: 4543 diff changeset	6183
4527 55bcaa1d2749 updated for version 7.3.1011 Bram Moolenaar <bram@vim.org> parents: 4525 diff changeset	6184 end = t->state->out1; /* NFA_END_COMPOSING */
4783 47222d8b1e94 updated for version 7.3.1138 Bram Moolenaar <bram@vim.org> parents: 4781 diff changeset	6185 ADD_STATE_IF_MATCH(end);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6186 break;
4527 55bcaa1d2749 updated for version 7.3.1011 Bram Moolenaar <bram@vim.org> parents: 4525 diff changeset	6187 }
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6188
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6189 case NFA_NEWL:
10245 d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10170 diff changeset	6190 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	6191 && rex.lnum <= rex.reg_maxline)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6192 {
4515 90e9917d4114 updated for version 7.3.1005 Bram Moolenaar <bram@vim.org> parents: 4507 diff changeset	6193 go_to_nextline = TRUE;
90e9917d4114 updated for version 7.3.1005 Bram Moolenaar <bram@vim.org> parents: 4507 diff changeset	6194 /* Pass -1 for the offset, which means taking the position
90e9917d4114 updated for version 7.3.1005 Bram Moolenaar <bram@vim.org> parents: 4507 diff changeset	6195 * at the start of the next line. */
4726 3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6196 add_state = t->state->out;
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6197 add_off = -1;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6198 }
10245 d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10170 diff changeset	6199 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	6200 {
b2946c06d1b6 updated for version 7.3.1025 Bram Moolenaar <bram@vim.org> parents: 4553 diff changeset	6201 /* 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	6202 add_state = t->state->out;
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6203 add_off = 1;
4555 b2946c06d1b6 updated for version 7.3.1025 Bram Moolenaar <bram@vim.org> parents: 4553 diff changeset	6204 }
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6205 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6206
4781 c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6207 case NFA_START_COLL:
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6208 case NFA_START_NEG_COLL:
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6209 {
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6210 /* What follows is a list of characters, until NFA_END_COLL.
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6211 * One of them must match or none of them must match. */
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6212 nfa_state_T *state;
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6213 int result_if_matched;
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6214 int c1, c2;
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6215
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6216 /* Never match EOL. If it's part of the collection it is added
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6217 * as a separate state with an OR. */
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6218 if (curc == NUL)
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6219 break;
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6220
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6221 state = t->state->out;
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6222 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	6223 for (;;)
4726 3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6224 {
4781 c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6225 if (state->c == NFA_END_COLL)
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6226 {
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6227 result = !result_if_matched;
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6228 break;
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6229 }
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6230 if (state->c == NFA_RANGE_MIN)
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6231 {
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6232 c1 = state->val;
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6233 state = state->out; /* advance to NFA_RANGE_MAX */
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6234 c2 = state->val;
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6235 #ifdef ENABLE_LOG
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6236 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	6237 curc, c1, c2);
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6238 #endif
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6239 if (curc >= c1 && curc <= c2)
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6240 {
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6241 result = result_if_matched;
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6242 break;
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6243 }
10245 d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10170 diff changeset	6244 if (rex.reg_ic)
4781 c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6245 {
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6246 int curc_low = MB_TOLOWER(curc);
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6247 int done = FALSE;
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6248
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6249 for ( ; c1 <= c2; ++c1)
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6250 if (MB_TOLOWER(c1) == curc_low)
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6251 {
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6252 result = result_if_matched;
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6253 done = TRUE;
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6254 break;
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6255 }
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6256 if (done)
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6257 break;
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6258 }
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6259 }
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6260 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	6261 : (curc == state->c
10245 d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10170 diff changeset	6262 \|\| (rex.reg_ic && MB_TOLOWER(curc)
4781 c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6263 == MB_TOLOWER(state->c))))
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6264 {
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6265 result = result_if_matched;
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6266 break;
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6267 }
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6268 state = state->out;
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6269 }
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6270 if (result)
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 /* next state is in out of the NFA_END_COLL, out1 of
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6273 * START points to the END state */
c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6274 add_state = t->state->out1->out;
4726 3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6275 add_off = clen;
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6276 }
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6277 break;
4781 c02c7df9bdc9 updated for version 7.3.1137 Bram Moolenaar <bram@vim.org> parents: 4772 diff changeset	6278 }
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6279
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6280 case NFA_ANY:
4515 90e9917d4114 updated for version 7.3.1005 Bram Moolenaar <bram@vim.org> parents: 4507 diff changeset	6281 /* 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	6282 if (curc > 0)
4726 3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6283 {
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6284 add_state = t->state->out;
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6285 add_off = clen;
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6286 }
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6287 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6288
5901 10fc95f48546 updated for version 7.4.293 Bram Moolenaar <bram@vim.org> parents: 5895 diff changeset	6289 case NFA_ANY_COMPOSING:
10fc95f48546 updated for version 7.4.293 Bram Moolenaar <bram@vim.org> parents: 5895 diff changeset	6290 /* On a composing character skip over it. Otherwise do
10fc95f48546 updated for version 7.4.293 Bram Moolenaar <bram@vim.org> parents: 5895 diff changeset	6291 * nothing. Always matches. */
10fc95f48546 updated for version 7.4.293 Bram Moolenaar <bram@vim.org> parents: 5895 diff changeset	6292 if (enc_utf8 && utf_iscomposing(curc))
10fc95f48546 updated for version 7.4.293 Bram Moolenaar <bram@vim.org> parents: 5895 diff changeset	6293 {
10fc95f48546 updated for version 7.4.293 Bram Moolenaar <bram@vim.org> parents: 5895 diff changeset	6294 add_off = clen;
10fc95f48546 updated for version 7.4.293 Bram Moolenaar <bram@vim.org> parents: 5895 diff changeset	6295 }
10fc95f48546 updated for version 7.4.293 Bram Moolenaar <bram@vim.org> parents: 5895 diff changeset	6296 else
10fc95f48546 updated for version 7.4.293 Bram Moolenaar <bram@vim.org> parents: 5895 diff changeset	6297 {
10fc95f48546 updated for version 7.4.293 Bram Moolenaar <bram@vim.org> parents: 5895 diff changeset	6298 add_here = TRUE;
10fc95f48546 updated for version 7.4.293 Bram Moolenaar <bram@vim.org> parents: 5895 diff changeset	6299 add_off = 0;
10fc95f48546 updated for version 7.4.293 Bram Moolenaar <bram@vim.org> parents: 5895 diff changeset	6300 }
10fc95f48546 updated for version 7.4.293 Bram Moolenaar <bram@vim.org> parents: 5895 diff changeset	6301 add_state = t->state->out;
10fc95f48546 updated for version 7.4.293 Bram Moolenaar <bram@vim.org> parents: 5895 diff changeset	6302 break;
10fc95f48546 updated for version 7.4.293 Bram Moolenaar <bram@vim.org> parents: 5895 diff changeset	6303
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6304 /*
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6305 * 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	6306 */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6307 case NFA_IDENT: /* \i */
4549 849180347ac3 updated for version 7.3.1022 Bram Moolenaar <bram@vim.org> parents: 4547 diff changeset	6308 result = vim_isIDc(curc);
4783 47222d8b1e94 updated for version 7.3.1138 Bram Moolenaar <bram@vim.org> parents: 4781 diff changeset	6309 ADD_STATE_IF_MATCH(t->state);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6310 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6311
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6312 case NFA_SIDENT: /* \I */
4549 849180347ac3 updated for version 7.3.1022 Bram Moolenaar <bram@vim.org> parents: 4547 diff changeset	6313 result = !VIM_ISDIGIT(curc) && vim_isIDc(curc);
4783 47222d8b1e94 updated for version 7.3.1138 Bram Moolenaar <bram@vim.org> parents: 4781 diff changeset	6314 ADD_STATE_IF_MATCH(t->state);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6315 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6316
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6317 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	6318 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	6319 ADD_STATE_IF_MATCH(t->state);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6320 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6321
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6322 case NFA_SKWORD: /* \K */
4549 849180347ac3 updated for version 7.3.1022 Bram Moolenaar <bram@vim.org> parents: 4547 diff changeset	6323 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	6324 && 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	6325 ADD_STATE_IF_MATCH(t->state);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6326 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6327
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6328 case NFA_FNAME: /* \f */
4549 849180347ac3 updated for version 7.3.1022 Bram Moolenaar <bram@vim.org> parents: 4547 diff changeset	6329 result = vim_isfilec(curc);
4783 47222d8b1e94 updated for version 7.3.1138 Bram Moolenaar <bram@vim.org> parents: 4781 diff changeset	6330 ADD_STATE_IF_MATCH(t->state);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6331 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6332
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6333 case NFA_SFNAME: /* \F */
4549 849180347ac3 updated for version 7.3.1022 Bram Moolenaar <bram@vim.org> parents: 4547 diff changeset	6334 result = !VIM_ISDIGIT(curc) && vim_isfilec(curc);
4783 47222d8b1e94 updated for version 7.3.1138 Bram Moolenaar <bram@vim.org> parents: 4781 diff changeset	6335 ADD_STATE_IF_MATCH(t->state);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6336 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6337
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6338 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	6339 result = vim_isprintc(PTR2CHAR(rex.input));
4783 47222d8b1e94 updated for version 7.3.1138 Bram Moolenaar <bram@vim.org> parents: 4781 diff changeset	6340 ADD_STATE_IF_MATCH(t->state);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6341 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6342
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6343 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	6344 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	6345 ADD_STATE_IF_MATCH(t->state);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6346 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6347
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6348 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	6349 result = VIM_ISWHITE(curc);
4783 47222d8b1e94 updated for version 7.3.1138 Bram Moolenaar <bram@vim.org> parents: 4781 diff changeset	6350 ADD_STATE_IF_MATCH(t->state);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6351 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6352
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6353 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	6354 result = curc != NUL && !VIM_ISWHITE(curc);
4783 47222d8b1e94 updated for version 7.3.1138 Bram Moolenaar <bram@vim.org> parents: 4781 diff changeset	6355 ADD_STATE_IF_MATCH(t->state);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6356 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6357
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6358 case NFA_DIGIT: /* \d */
4549 849180347ac3 updated for version 7.3.1022 Bram Moolenaar <bram@vim.org> parents: 4547 diff changeset	6359 result = ri_digit(curc);
4783 47222d8b1e94 updated for version 7.3.1138 Bram Moolenaar <bram@vim.org> parents: 4781 diff changeset	6360 ADD_STATE_IF_MATCH(t->state);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6361 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6362
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6363 case NFA_NDIGIT: /* \D */
4549 849180347ac3 updated for version 7.3.1022 Bram Moolenaar <bram@vim.org> parents: 4547 diff changeset	6364 result = curc != NUL && !ri_digit(curc);
4783 47222d8b1e94 updated for version 7.3.1138 Bram Moolenaar <bram@vim.org> parents: 4781 diff changeset	6365 ADD_STATE_IF_MATCH(t->state);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6366 break;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6367
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6368 case NFA_HEX: /* \x */
4549 849180347ac3 updated for version 7.3.1022 Bram Moolenaar <bram@vim.org> parents: 4547 diff changeset	6369 result = ri_hex(curc);
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
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6373 case NFA_NHEX: /* \X */
4549 849180347ac3 updated for version 7.3.1022 Bram Moolenaar <bram@vim.org> parents: 4547 diff changeset	6374 result = curc != NUL && !ri_hex(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
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6378 case NFA_OCTAL: /* \o */
4549 849180347ac3 updated for version 7.3.1022 Bram Moolenaar <bram@vim.org> parents: 4547 diff changeset	6379 result = ri_octal(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
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6383 case NFA_NOCTAL: /* \O */
4549 849180347ac3 updated for version 7.3.1022 Bram Moolenaar <bram@vim.org> parents: 4547 diff changeset	6384 result = curc != NUL && !ri_octal(curc);
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
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6388 case NFA_WORD: /* \w */
4549 849180347ac3 updated for version 7.3.1022 Bram Moolenaar <bram@vim.org> parents: 4547 diff changeset	6389 result = ri_word(curc);
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
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6393 case NFA_NWORD: /* \W */
4549 849180347ac3 updated for version 7.3.1022 Bram Moolenaar <bram@vim.org> parents: 4547 diff changeset	6394 result = curc != NUL && !ri_word(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
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6398 case NFA_HEAD: /* \h */
4549 849180347ac3 updated for version 7.3.1022 Bram Moolenaar <bram@vim.org> parents: 4547 diff changeset	6399 result = ri_head(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
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6403 case NFA_NHEAD: /* \H */
4549 849180347ac3 updated for version 7.3.1022 Bram Moolenaar <bram@vim.org> parents: 4547 diff changeset	6404 result = curc != NUL && !ri_head(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
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6408 case NFA_ALPHA: /* \a */
4549 849180347ac3 updated for version 7.3.1022 Bram Moolenaar <bram@vim.org> parents: 4547 diff changeset	6409 result = ri_alpha(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
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6413 case NFA_NALPHA: /* \A */
4549 849180347ac3 updated for version 7.3.1022 Bram Moolenaar <bram@vim.org> parents: 4547 diff changeset	6414 result = curc != NUL && !ri_alpha(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
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6418 case NFA_LOWER: /* \l */
4549 849180347ac3 updated for version 7.3.1022 Bram Moolenaar <bram@vim.org> parents: 4547 diff changeset	6419 result = ri_lower(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
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6423 case NFA_NLOWER: /* \L */
4549 849180347ac3 updated for version 7.3.1022 Bram Moolenaar <bram@vim.org> parents: 4547 diff changeset	6424 result = curc != NUL && !ri_lower(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
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6428 case NFA_UPPER: /* \u */
4549 849180347ac3 updated for version 7.3.1022 Bram Moolenaar <bram@vim.org> parents: 4547 diff changeset	6429 result = ri_upper(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
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6433 case NFA_NUPPER: /* \U */
4549 849180347ac3 updated for version 7.3.1022 Bram Moolenaar <bram@vim.org> parents: 4547 diff changeset	6434 result = curc != NUL && !ri_upper(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
5296 3e9107b86b68 updated for version 7.4.001 Bram Moolenaar <bram@vim.org> parents: 5255 diff changeset	6438 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	6439 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	6440 ADD_STATE_IF_MATCH(t->state);
3e9107b86b68 updated for version 7.4.001 Bram Moolenaar <bram@vim.org> parents: 5255 diff changeset	6441 break;
3e9107b86b68 updated for version 7.4.001 Bram Moolenaar <bram@vim.org> parents: 5255 diff changeset	6442
3e9107b86b68 updated for version 7.4.001 Bram Moolenaar <bram@vim.org> parents: 5255 diff changeset	6443 case NFA_NLOWER_IC: /* [^a-z] */
3e9107b86b68 updated for version 7.4.001 Bram Moolenaar <bram@vim.org> parents: 5255 diff changeset	6444 result = curc != NUL
10245 d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10170 diff changeset	6445 && !(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	6446 ADD_STATE_IF_MATCH(t->state);
3e9107b86b68 updated for version 7.4.001 Bram Moolenaar <bram@vim.org> parents: 5255 diff changeset	6447 break;
3e9107b86b68 updated for version 7.4.001 Bram Moolenaar <bram@vim.org> parents: 5255 diff changeset	6448
3e9107b86b68 updated for version 7.4.001 Bram Moolenaar <bram@vim.org> parents: 5255 diff changeset	6449 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	6450 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	6451 ADD_STATE_IF_MATCH(t->state);
3e9107b86b68 updated for version 7.4.001 Bram Moolenaar <bram@vim.org> parents: 5255 diff changeset	6452 break;
3e9107b86b68 updated for version 7.4.001 Bram Moolenaar <bram@vim.org> parents: 5255 diff changeset	6453
3e9107b86b68 updated for version 7.4.001 Bram Moolenaar <bram@vim.org> parents: 5255 diff changeset	6454 case NFA_NUPPER_IC: /* ^[A-Z] */
3e9107b86b68 updated for version 7.4.001 Bram Moolenaar <bram@vim.org> parents: 5255 diff changeset	6455 result = curc != NUL
10245 d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10170 diff changeset	6456 && !(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	6457 ADD_STATE_IF_MATCH(t->state);
3e9107b86b68 updated for version 7.4.001 Bram Moolenaar <bram@vim.org> parents: 5255 diff changeset	6458 break;
3e9107b86b68 updated for version 7.4.001 Bram Moolenaar <bram@vim.org> parents: 5255 diff changeset	6459
4571 b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	6460 case NFA_BACKREF1:
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	6461 case NFA_BACKREF2:
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	6462 case NFA_BACKREF3:
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	6463 case NFA_BACKREF4:
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	6464 case NFA_BACKREF5:
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	6465 case NFA_BACKREF6:
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	6466 case NFA_BACKREF7:
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	6467 case NFA_BACKREF8:
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	6468 case NFA_BACKREF9:
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	6469 #ifdef FEAT_SYN_HL
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	6470 case NFA_ZREF1:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	6471 case NFA_ZREF2:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	6472 case NFA_ZREF3:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	6473 case NFA_ZREF4:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	6474 case NFA_ZREF5:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	6475 case NFA_ZREF6:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	6476 case NFA_ZREF7:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	6477 case NFA_ZREF8:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	6478 case NFA_ZREF9:
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	6479 #endif
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	6480 /* \1 .. \9 \z1 .. \z9 */
4571 b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	6481 {
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	6482 int subidx;
4571 b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	6483 int bytelen;
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	6484
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	6485 if (t->state->c <= NFA_BACKREF9)
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	6486 {
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	6487 subidx = t->state->c - NFA_BACKREF1 + 1;
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	6488 result = match_backref(&t->subs.norm, subidx, &bytelen);
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	6489 }
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	6490 #ifdef FEAT_SYN_HL
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	6491 else
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	6492 {
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	6493 subidx = t->state->c - NFA_ZREF1 + 1;
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	6494 result = match_zref(subidx, &bytelen);
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	6495 }
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	6496 #endif
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	6497
4571 b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	6498 if (result)
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	6499 {
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	6500 if (bytelen == 0)
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	6501 {
4692 08fbb1ce1bc5 updated for version 7.3.1093 Bram Moolenaar <bram@vim.org> parents: 4690 diff changeset	6502 /* empty match always works, output of NFA_SKIP to be
08fbb1ce1bc5 updated for version 7.3.1093 Bram Moolenaar <bram@vim.org> parents: 4690 diff changeset	6503 * used next */
4799 e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6504 add_here = TRUE;
e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6505 add_state = t->state->out->out;
4571 b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	6506 }
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	6507 else if (bytelen <= clen)
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	6508 {
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	6509 /* match current character, jump ahead to out of
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	6510 * NFA_SKIP */
4726 3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6511 add_state = t->state->out->out;
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6512 add_off = clen;
4571 b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	6513 }
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	6514 else
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	6515 {
4728 43de4ebbe7ad updated for version 7.3.1111 Bram Moolenaar <bram@vim.org> parents: 4726 diff changeset	6516 /* skip over the matched characters, set character
4571 b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	6517 * count in NFA_SKIP */
4726 3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6518 add_state = t->state->out;
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6519 add_off = bytelen;
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6520 add_count = bytelen - clen;
4571 b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	6521 }
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	6522 }
4482 cd005ab15ef3 updated for version 7.3.989 Bram Moolenaar <bram@vim.org> parents: 4480 diff changeset	6523 break;
4571 b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	6524 }
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	6525 case NFA_SKIP:
4748 4b9503f0c7d3 updated for version 7.3.1121 Bram Moolenaar <bram@vim.org> parents: 4746 diff changeset	6526 /* character of previous matching \1 .. \9 or \@> */
4571 b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	6527 if (t->count - clen <= 0)
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	6528 {
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	6529 /* end of match, go to what follows */
4726 3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6530 add_state = t->state->out;
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6531 add_off = clen;
4571 b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	6532 }
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	6533 else
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	6534 {
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	6535 /* add state again with decremented count */
4726 3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6536 add_state = t->state;
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6537 add_off = 0;
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6538 add_count = t->count - clen;
4571 b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	6539 }
b2a8e3a66f8c updated for version 7.3.1033 Bram Moolenaar <bram@vim.org> parents: 4569 diff changeset	6540 break;
4482 cd005ab15ef3 updated for version 7.3.989 Bram Moolenaar <bram@vim.org> parents: 4480 diff changeset	6541
4583 321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	6542 case NFA_LNUM:
321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	6543 case NFA_LNUM_GT:
321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	6544 case NFA_LNUM_LT:
321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	6545 result = (REG_MULTI &&
321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	6546 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	6547 (long_u)(rex.lnum + rex.reg_firstlnum)));
4583 321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	6548 if (result)
4799 e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6549 {
e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6550 add_here = TRUE;
e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6551 add_state = t->state->out;
e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6552 }
4583 321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	6553 break;
321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	6554
321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	6555 case NFA_COL:
321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	6556 case NFA_COL_GT:
321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	6557 case NFA_COL_LT:
321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	6558 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	6559 (long_u)(rex.input - rex.line) + 1);
4583 321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	6560 if (result)
4799 e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6561 {
e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6562 add_here = TRUE;
e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6563 add_state = t->state->out;
e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6564 }
4583 321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	6565 break;
321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	6566
321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	6567 case NFA_VCOL:
321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	6568 case NFA_VCOL_GT:
321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	6569 case NFA_VCOL_LT:
4799 e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6570 {
6499 bcf9d3a6007f updated for version 7.4.577 Bram Moolenaar <bram@vim.org> parents: 6392 diff changeset	6571 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	6572 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	6573 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	6574
bcf9d3a6007f updated for version 7.4.577 Bram Moolenaar <bram@vim.org> parents: 6392 diff changeset	6575 /* Bail out quickly when there can't be a match, avoid the
bcf9d3a6007f updated for version 7.4.577 Bram Moolenaar <bram@vim.org> parents: 6392 diff changeset	6576 * overhead of win_linetabsize() on long lines. */
6653 2c7f279d419c updated for version 7.4.651 Bram Moolenaar <bram@vim.org> parents: 6594 diff changeset	6577 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	6578 * (has_mbyte ? MB_MAXBYTES : 1))
6499 bcf9d3a6007f updated for version 7.4.577 Bram Moolenaar <bram@vim.org> parents: 6392 diff changeset	6579 break;
6510 dfd593d81818 updated for version 7.4.582 Bram Moolenaar <bram@vim.org> parents: 6499 diff changeset	6580 result = FALSE;
dfd593d81818 updated for version 7.4.582 Bram Moolenaar <bram@vim.org> parents: 6499 diff changeset	6581 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	6582 {
dfd593d81818 updated for version 7.4.582 Bram Moolenaar <bram@vim.org> parents: 6499 diff changeset	6583 int ts = wp->w_buffer->b_p_ts;
dfd593d81818 updated for version 7.4.582 Bram Moolenaar <bram@vim.org> parents: 6499 diff changeset	6584
dfd593d81818 updated for version 7.4.582 Bram Moolenaar <bram@vim.org> parents: 6499 diff changeset	6585 /* Guess that a character won't use more columns than
dfd593d81818 updated for version 7.4.582 Bram Moolenaar <bram@vim.org> parents: 6499 diff changeset	6586 * 'tabstop', with a minimum of 4. */
dfd593d81818 updated for version 7.4.582 Bram Moolenaar <bram@vim.org> parents: 6499 diff changeset	6587 if (ts < 4)
dfd593d81818 updated for version 7.4.582 Bram Moolenaar <bram@vim.org> parents: 6499 diff changeset	6588 ts = 4;
dfd593d81818 updated for version 7.4.582 Bram Moolenaar <bram@vim.org> parents: 6499 diff changeset	6589 result = col > t->state->val * ts;
dfd593d81818 updated for version 7.4.582 Bram Moolenaar <bram@vim.org> parents: 6499 diff changeset	6590 }
dfd593d81818 updated for version 7.4.582 Bram Moolenaar <bram@vim.org> parents: 6499 diff changeset	6591 if (!result)
dfd593d81818 updated for version 7.4.582 Bram Moolenaar <bram@vim.org> parents: 6499 diff changeset	6592 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	6593 (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	6594 if (result)
bcf9d3a6007f updated for version 7.4.577 Bram Moolenaar <bram@vim.org> parents: 6392 diff changeset	6595 {
bcf9d3a6007f updated for version 7.4.577 Bram Moolenaar <bram@vim.org> parents: 6392 diff changeset	6596 add_here = TRUE;
bcf9d3a6007f updated for version 7.4.577 Bram Moolenaar <bram@vim.org> parents: 6392 diff changeset	6597 add_state = t->state->out;
bcf9d3a6007f updated for version 7.4.577 Bram Moolenaar <bram@vim.org> parents: 6392 diff changeset	6598 }
4799 e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6599 }
4583 321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	6600 break;
321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	6601
4732 0798b096bab3 updated for version 7.3.1113 Bram Moolenaar <bram@vim.org> parents: 4730 diff changeset	6602 case NFA_MARK:
0798b096bab3 updated for version 7.3.1113 Bram Moolenaar <bram@vim.org> parents: 4730 diff changeset	6603 case NFA_MARK_GT:
0798b096bab3 updated for version 7.3.1113 Bram Moolenaar <bram@vim.org> parents: 4730 diff changeset	6604 case NFA_MARK_LT:
0798b096bab3 updated for version 7.3.1113 Bram Moolenaar <bram@vim.org> parents: 4730 diff changeset	6605 {
10245 d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10170 diff changeset	6606 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	6607
0798b096bab3 updated for version 7.3.1113 Bram Moolenaar <bram@vim.org> parents: 4730 diff changeset	6608 /* Compare the mark position to the match position. */
0798b096bab3 updated for version 7.3.1113 Bram Moolenaar <bram@vim.org> parents: 4730 diff changeset	6609 result = (pos != NULL /* mark doesn't exist */
0798b096bab3 updated for version 7.3.1113 Bram Moolenaar <bram@vim.org> parents: 4730 diff changeset	6610 && 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	6611 && (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	6612 ? (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	6613 ? 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	6614 : (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	6615 ? t->state->c == NFA_MARK_GT
0798b096bab3 updated for version 7.3.1113 Bram Moolenaar <bram@vim.org> parents: 4730 diff changeset	6616 : 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	6617 : (pos->lnum < rex.lnum + rex.reg_firstlnum
4732 0798b096bab3 updated for version 7.3.1113 Bram Moolenaar <bram@vim.org> parents: 4730 diff changeset	6618 ? t->state->c == NFA_MARK_GT
0798b096bab3 updated for version 7.3.1113 Bram Moolenaar <bram@vim.org> parents: 4730 diff changeset	6619 : t->state->c == NFA_MARK_LT)));
0798b096bab3 updated for version 7.3.1113 Bram Moolenaar <bram@vim.org> parents: 4730 diff changeset	6620 if (result)
4799 e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6621 {
e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6622 add_here = TRUE;
e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6623 add_state = t->state->out;
e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6624 }
4732 0798b096bab3 updated for version 7.3.1113 Bram Moolenaar <bram@vim.org> parents: 4730 diff changeset	6625 break;
0798b096bab3 updated for version 7.3.1113 Bram Moolenaar <bram@vim.org> parents: 4730 diff changeset	6626 }
0798b096bab3 updated for version 7.3.1113 Bram Moolenaar <bram@vim.org> parents: 4730 diff changeset	6627
4583 321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	6628 case NFA_CURSOR:
10245 d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10170 diff changeset	6629 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	6630 && (rex.lnum + rex.reg_firstlnum
10245 d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10170 diff changeset	6631 == 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	6632 && ((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	6633 == rex.reg_win->w_cursor.col));
4583 321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	6634 if (result)
4799 e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6635 {
e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6636 add_here = TRUE;
e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6637 add_state = t->state->out;
e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6638 }
4583 321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	6639 break;
321cfbef9431 updated for version 7.3.1039 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	6640
4756 96f3348f9f11 updated for version 7.3.1125 Bram Moolenaar <bram@vim.org> parents: 4750 diff changeset	6641 case NFA_VISUAL:
4730 749e2b2755d5 updated for version 7.3.1112 Bram Moolenaar <bram@vim.org> parents: 4728 diff changeset	6642 result = reg_match_visual();
749e2b2755d5 updated for version 7.3.1112 Bram Moolenaar <bram@vim.org> parents: 4728 diff changeset	6643 if (result)
4799 e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6644 {
e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6645 add_here = TRUE;
e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6646 add_state = t->state->out;
e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6647 }
4730 749e2b2755d5 updated for version 7.3.1112 Bram Moolenaar <bram@vim.org> parents: 4728 diff changeset	6648 break;
749e2b2755d5 updated for version 7.3.1112 Bram Moolenaar <bram@vim.org> parents: 4728 diff changeset	6649
5251 2e63b6c763f7 updated for version 7.4b.002 Bram Moolenaar <bram@vim.org> parents: 5227 diff changeset	6650 case NFA_MOPEN1:
2e63b6c763f7 updated for version 7.4b.002 Bram Moolenaar <bram@vim.org> parents: 5227 diff changeset	6651 case NFA_MOPEN2:
2e63b6c763f7 updated for version 7.4b.002 Bram Moolenaar <bram@vim.org> parents: 5227 diff changeset	6652 case NFA_MOPEN3:
2e63b6c763f7 updated for version 7.4b.002 Bram Moolenaar <bram@vim.org> parents: 5227 diff changeset	6653 case NFA_MOPEN4:
2e63b6c763f7 updated for version 7.4b.002 Bram Moolenaar <bram@vim.org> parents: 5227 diff changeset	6654 case NFA_MOPEN5:
2e63b6c763f7 updated for version 7.4b.002 Bram Moolenaar <bram@vim.org> parents: 5227 diff changeset	6655 case NFA_MOPEN6:
2e63b6c763f7 updated for version 7.4b.002 Bram Moolenaar <bram@vim.org> parents: 5227 diff changeset	6656 case NFA_MOPEN7:
2e63b6c763f7 updated for version 7.4b.002 Bram Moolenaar <bram@vim.org> parents: 5227 diff changeset	6657 case NFA_MOPEN8:
2e63b6c763f7 updated for version 7.4b.002 Bram Moolenaar <bram@vim.org> parents: 5227 diff changeset	6658 case NFA_MOPEN9:
2e63b6c763f7 updated for version 7.4b.002 Bram Moolenaar <bram@vim.org> parents: 5227 diff changeset	6659 #ifdef FEAT_SYN_HL
2e63b6c763f7 updated for version 7.4b.002 Bram Moolenaar <bram@vim.org> parents: 5227 diff changeset	6660 case NFA_ZOPEN:
2e63b6c763f7 updated for version 7.4b.002 Bram Moolenaar <bram@vim.org> parents: 5227 diff changeset	6661 case NFA_ZOPEN1:
2e63b6c763f7 updated for version 7.4b.002 Bram Moolenaar <bram@vim.org> parents: 5227 diff changeset	6662 case NFA_ZOPEN2:
2e63b6c763f7 updated for version 7.4b.002 Bram Moolenaar <bram@vim.org> parents: 5227 diff changeset	6663 case NFA_ZOPEN3:
2e63b6c763f7 updated for version 7.4b.002 Bram Moolenaar <bram@vim.org> parents: 5227 diff changeset	6664 case NFA_ZOPEN4:
2e63b6c763f7 updated for version 7.4b.002 Bram Moolenaar <bram@vim.org> parents: 5227 diff changeset	6665 case NFA_ZOPEN5:
2e63b6c763f7 updated for version 7.4b.002 Bram Moolenaar <bram@vim.org> parents: 5227 diff changeset	6666 case NFA_ZOPEN6:
2e63b6c763f7 updated for version 7.4b.002 Bram Moolenaar <bram@vim.org> parents: 5227 diff changeset	6667 case NFA_ZOPEN7:
2e63b6c763f7 updated for version 7.4b.002 Bram Moolenaar <bram@vim.org> parents: 5227 diff changeset	6668 case NFA_ZOPEN8:
2e63b6c763f7 updated for version 7.4b.002 Bram Moolenaar <bram@vim.org> parents: 5227 diff changeset	6669 case NFA_ZOPEN9:
2e63b6c763f7 updated for version 7.4b.002 Bram Moolenaar <bram@vim.org> parents: 5227 diff changeset	6670 #endif
2e63b6c763f7 updated for version 7.4b.002 Bram Moolenaar <bram@vim.org> parents: 5227 diff changeset	6671 case NFA_NOPEN:
2e63b6c763f7 updated for version 7.4b.002 Bram Moolenaar <bram@vim.org> parents: 5227 diff changeset	6672 case NFA_ZSTART:
2e63b6c763f7 updated for version 7.4b.002 Bram Moolenaar <bram@vim.org> parents: 5227 diff changeset	6673 /* These states are only added to be able to bail out when
2e63b6c763f7 updated for version 7.4b.002 Bram Moolenaar <bram@vim.org> parents: 5227 diff changeset	6674 * they are added again, nothing is to be done. */
2e63b6c763f7 updated for version 7.4b.002 Bram Moolenaar <bram@vim.org> parents: 5227 diff changeset	6675 break;
2e63b6c763f7 updated for version 7.4b.002 Bram Moolenaar <bram@vim.org> parents: 5227 diff changeset	6676
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6677 default: /* regular character */
4559 04086e297563 updated for version 7.3.1027 Bram Moolenaar <bram@vim.org> parents: 4557 diff changeset	6678 {
04086e297563 updated for version 7.3.1027 Bram Moolenaar <bram@vim.org> parents: 4557 diff changeset	6679 int c = t->state->c;
04086e297563 updated for version 7.3.1027 Bram Moolenaar <bram@vim.org> parents: 4557 diff changeset	6680
5251 2e63b6c763f7 updated for version 7.4b.002 Bram Moolenaar <bram@vim.org> parents: 5227 diff changeset	6681 #ifdef DEBUG
4785 3b5a023a4543 updated for version 7.3.1139 Bram Moolenaar <bram@vim.org> parents: 4783 diff changeset	6682 if (c < 0)
15470 55ccc2d353bd patch 8.1.0743: giving error messages is not flexible Bram Moolenaar <Bram@vim.org> parents: 15265 diff changeset	6683 siemsg("INTERNAL: Negative state char: %ld", c);
5251 2e63b6c763f7 updated for version 7.4b.002 Bram Moolenaar <bram@vim.org> parents: 5227 diff changeset	6684 #endif
4559 04086e297563 updated for version 7.3.1027 Bram Moolenaar <bram@vim.org> parents: 4557 diff changeset	6685 result = (c == curc);
04086e297563 updated for version 7.3.1027 Bram Moolenaar <bram@vim.org> parents: 4557 diff changeset	6686
10245 d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10170 diff changeset	6687 if (!result && rex.reg_ic)
4559 04086e297563 updated for version 7.3.1027 Bram Moolenaar <bram@vim.org> parents: 4557 diff changeset	6688 result = MB_TOLOWER(c) == MB_TOLOWER(curc);
10245 d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10170 diff changeset	6689 /* If rex.reg_icombine is not set only skip over the character
5901 10fc95f48546 updated for version 7.4.293 Bram Moolenaar <bram@vim.org> parents: 5895 diff changeset	6690 * 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	6691 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	6692 clen = utf_ptr2len(rex.input);
4783 47222d8b1e94 updated for version 7.3.1138 Bram Moolenaar <bram@vim.org> parents: 4781 diff changeset	6693 ADD_STATE_IF_MATCH(t->state);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6694 break;
4559 04086e297563 updated for version 7.3.1027 Bram Moolenaar <bram@vim.org> parents: 4557 diff changeset	6695 }
4726 3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6696
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6697 } /* switch (t->state->c) */
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6698
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6699 if (add_state != NULL)
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6700 {
4813 bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	6701 nfa_pim_T *pim;
5401 e7a2f217a385 updated for version 7.4.051 Bram Moolenaar <bram@vim.org> parents: 5372 diff changeset	6702 nfa_pim_T pim_copy;
4813 bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	6703
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	6704 if (t->pim.result == NFA_PIM_UNUSED)
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	6705 pim = NULL;
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	6706 else
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	6707 pim = &t->pim;
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	6708
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	6709 /* Handle the postponed invisible match if the match might end
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	6710 * without advancing and before the end of the line. */
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	6711 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	6712 {
4813 bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	6713 if (pim->result == NFA_PIM_TODO)
4726 3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6714 {
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6715 #ifdef ENABLE_LOG
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6716 fprintf(log_fd, "\n");
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6717 fprintf(log_fd, "==================================\n");
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6718 fprintf(log_fd, "Postponed recursive nfa_regmatch()\n");
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6719 fprintf(log_fd, "\n");
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6720 #endif
4813 bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	6721 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	6722 prog, submatch, m, &listids, &listids_len);
4813 bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	6723 pim->result = result ? NFA_PIM_MATCH : NFA_PIM_NOMATCH;
4785 3b5a023a4543 updated for version 7.3.1139 Bram Moolenaar <bram@vim.org> parents: 4783 diff changeset	6724 /* for \@! and \@<! it is a match when the result is
3b5a023a4543 updated for version 7.3.1139 Bram Moolenaar <bram@vim.org> parents: 4783 diff changeset	6725 * FALSE */
4813 bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	6726 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	6727 \|\| pim->state->c == NFA_START_INVISIBLE_NEG_FIRST
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	6728 \|\| pim->state->c
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	6729 == NFA_START_INVISIBLE_BEFORE_NEG
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	6730 \|\| pim->state->c
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	6731 == NFA_START_INVISIBLE_BEFORE_NEG_FIRST))
4726 3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6732 {
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6733 /* Copy submatch info from the recursive call */
4813 bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	6734 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	6735 #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	6736 if (rex.nfa_has_zsubexpr)
4813 bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	6737 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	6738 #endif
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6739 }
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6740 }
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6741 else
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6742 {
4813 bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	6743 result = (pim->result == NFA_PIM_MATCH);
4726 3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6744 #ifdef ENABLE_LOG
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6745 fprintf(log_fd, "\n");
4813 bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	6746 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	6747 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	6748 fprintf(log_fd, "\n");
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6749 #endif
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6750 }
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6751
4785 3b5a023a4543 updated for version 7.3.1139 Bram Moolenaar <bram@vim.org> parents: 4783 diff changeset	6752 /* 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	6753 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	6754 \|\| pim->state->c == NFA_START_INVISIBLE_NEG_FIRST
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	6755 \|\| pim->state->c
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	6756 == NFA_START_INVISIBLE_BEFORE_NEG
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	6757 \|\| pim->state->c
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	6758 == NFA_START_INVISIBLE_BEFORE_NEG_FIRST))
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 /* Copy submatch info from the recursive call */
4813 bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	6761 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	6762 #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	6763 if (rex.nfa_has_zsubexpr)
4813 bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	6764 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	6765 #endif
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6766 }
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6767 else
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6768 /* look-behind match failed, don't add the state */
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6769 continue;
4813 bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	6770
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	6771 /* Postponed invisible match was handled, don't add it to
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	6772 * following states. */
bc3f4804cf47 updated for version 7.3.1153 Bram Moolenaar <bram@vim.org> parents: 4811 diff changeset	6773 pim = NULL;
4726 3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6774 }
3849c811cc0b updated for version 7.3.1110 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	6775
5401 e7a2f217a385 updated for version 7.4.051 Bram Moolenaar <bram@vim.org> parents: 5372 diff changeset	6776 /* If "pim" points into l->t it will become invalid when
e7a2f217a385 updated for version 7.4.051 Bram Moolenaar <bram@vim.org> parents: 5372 diff changeset	6777 * adding the state causes the list to be reallocated. Make a
e7a2f217a385 updated for version 7.4.051 Bram Moolenaar <bram@vim.org> parents: 5372 diff changeset	6778 * local copy to avoid that. */
e7a2f217a385 updated for version 7.4.051 Bram Moolenaar <bram@vim.org> parents: 5372 diff changeset	6779 if (pim == &t->pim)
e7a2f217a385 updated for version 7.4.051 Bram Moolenaar <bram@vim.org> parents: 5372 diff changeset	6780 {
e7a2f217a385 updated for version 7.4.051 Bram Moolenaar <bram@vim.org> parents: 5372 diff changeset	6781 copy_pim(&pim_copy, pim);
e7a2f217a385 updated for version 7.4.051 Bram Moolenaar <bram@vim.org> parents: 5372 diff changeset	6782 pim = &pim_copy;
e7a2f217a385 updated for version 7.4.051 Bram Moolenaar <bram@vim.org> parents: 5372 diff changeset	6783 }
e7a2f217a385 updated for version 7.4.051 Bram Moolenaar <bram@vim.org> parents: 5372 diff changeset	6784
4799 e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6785 if (add_here)
15796 481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	6786 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	6787 pim, &listidx);
4799 e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6788 else
e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6789 {
15796 481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	6790 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	6791 if (add_count > 0)
e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6792 nextlist->t[nextlist->n - 1].count = add_count;
e3f9e33fb28c updated for version 7.3.1146 Bram Moolenaar <bram@vim.org> parents: 4797 diff changeset	6793 }
15796 481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	6794 if (r == NULL)
481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	6795 {
481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	6796 nfa_match = NFA_TOO_EXPENSIVE;
481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	6797 goto theend;
481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	6798 }
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6799 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6800
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6801 } /* for (thislist = thislist; thislist->state; thislist++) */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6802
4557 888c12c899e5 updated for version 7.3.1026 Bram Moolenaar <bram@vim.org> parents: 4555 diff changeset	6803 /* Look for the start of a match in the current position by adding the
888c12c899e5 updated for version 7.3.1026 Bram Moolenaar <bram@vim.org> parents: 4555 diff changeset	6804 * start state to the list of states.
888c12c899e5 updated for version 7.3.1026 Bram Moolenaar <bram@vim.org> parents: 4555 diff changeset	6805 * The first found match is the leftmost one, thus the order of states
888c12c899e5 updated for version 7.3.1026 Bram Moolenaar <bram@vim.org> parents: 4555 diff changeset	6806 * matters!
888c12c899e5 updated for version 7.3.1026 Bram Moolenaar <bram@vim.org> parents: 4555 diff changeset	6807 * Do not add the start state in recursive calls of nfa_regmatch(),
888c12c899e5 updated for version 7.3.1026 Bram Moolenaar <bram@vim.org> parents: 4555 diff changeset	6808 * because recursive calls should only start in the first position.
4694 efc4fb311d5d updated for version 7.3.1094 Bram Moolenaar <bram@vim.org> parents: 4692 diff changeset	6809 * Unless "nfa_endp" is not NULL, then we match the end position.
4557 888c12c899e5 updated for version 7.3.1026 Bram Moolenaar <bram@vim.org> parents: 4555 diff changeset	6810 * 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	6811 if (nfa_match == FALSE
4797 a30e3762957d updated for version 7.3.1145 Bram Moolenaar <bram@vim.org> parents: 4787 diff changeset	6812 && ((toplevel
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	6813 && rex.lnum == 0
4682 2f51ee8825db updated for version 7.3.1088 Bram Moolenaar <bram@vim.org> parents: 4679 diff changeset	6814 && clen != 0
10245 d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10170 diff changeset	6815 && (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	6816 \|\| (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	6817 \|\| (nfa_endp != NULL
4682 2f51ee8825db updated for version 7.3.1088 Bram Moolenaar <bram@vim.org> parents: 4679 diff changeset	6818 && (REG_MULTI
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	6819 ? (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	6820 \|\| (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	6821 && (int)(rex.input - rex.line)
4694 efc4fb311d5d updated for version 7.3.1094 Bram Moolenaar <bram@vim.org> parents: 4692 diff changeset	6822 < 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	6823 : rex.input < nfa_endp->se_u.ptr))))
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6824 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6825 #ifdef ENABLE_LOG
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6826 fprintf(log_fd, "(---) STARTSTATE\n");
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6827 #endif
4797 a30e3762957d updated for version 7.3.1145 Bram Moolenaar <bram@vim.org> parents: 4787 diff changeset	6828 /* Inline optimized code for addstate() if we know the state is
a30e3762957d updated for version 7.3.1145 Bram Moolenaar <bram@vim.org> parents: 4787 diff changeset	6829 * the first MOPEN. */
a30e3762957d updated for version 7.3.1145 Bram Moolenaar <bram@vim.org> parents: 4787 diff changeset	6830 if (toplevel)
a30e3762957d updated for version 7.3.1145 Bram Moolenaar <bram@vim.org> parents: 4787 diff changeset	6831 {
4801 3cd3cc1e9119 updated for version 7.3.1147 Bram Moolenaar <bram@vim.org> parents: 4799 diff changeset	6832 int add = TRUE;
3cd3cc1e9119 updated for version 7.3.1147 Bram Moolenaar <bram@vim.org> parents: 4799 diff changeset	6833 int c;
3cd3cc1e9119 updated for version 7.3.1147 Bram Moolenaar <bram@vim.org> parents: 4799 diff changeset	6834
3cd3cc1e9119 updated for version 7.3.1147 Bram Moolenaar <bram@vim.org> parents: 4799 diff changeset	6835 if (prog->regstart != NUL && clen != 0)
3cd3cc1e9119 updated for version 7.3.1147 Bram Moolenaar <bram@vim.org> parents: 4799 diff changeset	6836 {
3cd3cc1e9119 updated for version 7.3.1147 Bram Moolenaar <bram@vim.org> parents: 4799 diff changeset	6837 if (nextlist->n == 0)
3cd3cc1e9119 updated for version 7.3.1147 Bram Moolenaar <bram@vim.org> parents: 4799 diff changeset	6838 {
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	6839 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	6840
3cd3cc1e9119 updated for version 7.3.1147 Bram Moolenaar <bram@vim.org> parents: 4799 diff changeset	6841 /* Nextlist is empty, we can skip ahead to the
3cd3cc1e9119 updated for version 7.3.1147 Bram Moolenaar <bram@vim.org> parents: 4799 diff changeset	6842 * character that must appear at the start. */
3cd3cc1e9119 updated for version 7.3.1147 Bram Moolenaar <bram@vim.org> parents: 4799 diff changeset	6843 if (skip_to_start(prog->regstart, &col) == FAIL)
3cd3cc1e9119 updated for version 7.3.1147 Bram Moolenaar <bram@vim.org> parents: 4799 diff changeset	6844 break;
3cd3cc1e9119 updated for version 7.3.1147 Bram Moolenaar <bram@vim.org> parents: 4799 diff changeset	6845 #ifdef ENABLE_LOG
3cd3cc1e9119 updated for version 7.3.1147 Bram Moolenaar <bram@vim.org> parents: 4799 diff changeset	6846 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	6847 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	6848 #endif
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	6849 rex.input = rex.line + col - clen;
4801 3cd3cc1e9119 updated for version 7.3.1147 Bram Moolenaar <bram@vim.org> parents: 4799 diff changeset	6850 }
3cd3cc1e9119 updated for version 7.3.1147 Bram Moolenaar <bram@vim.org> parents: 4799 diff changeset	6851 else
3cd3cc1e9119 updated for version 7.3.1147 Bram Moolenaar <bram@vim.org> parents: 4799 diff changeset	6852 {
3cd3cc1e9119 updated for version 7.3.1147 Bram Moolenaar <bram@vim.org> parents: 4799 diff changeset	6853 /* Checking if the required start character matches is
3cd3cc1e9119 updated for version 7.3.1147 Bram Moolenaar <bram@vim.org> parents: 4799 diff changeset	6854 * 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	6855 c = PTR2CHAR(rex.input + clen);
10245 d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10170 diff changeset	6856 if (c != prog->regstart && (!rex.reg_ic
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10170 diff changeset	6857 \|\| MB_TOLOWER(c) != MB_TOLOWER(prog->regstart)))
4801 3cd3cc1e9119 updated for version 7.3.1147 Bram Moolenaar <bram@vim.org> parents: 4799 diff changeset	6858 {
3cd3cc1e9119 updated for version 7.3.1147 Bram Moolenaar <bram@vim.org> parents: 4799 diff changeset	6859 #ifdef ENABLE_LOG
3cd3cc1e9119 updated for version 7.3.1147 Bram Moolenaar <bram@vim.org> parents: 4799 diff changeset	6860 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	6861 #endif
3cd3cc1e9119 updated for version 7.3.1147 Bram Moolenaar <bram@vim.org> parents: 4799 diff changeset	6862 add = FALSE;
3cd3cc1e9119 updated for version 7.3.1147 Bram Moolenaar <bram@vim.org> parents: 4799 diff changeset	6863 }
3cd3cc1e9119 updated for version 7.3.1147 Bram Moolenaar <bram@vim.org> parents: 4799 diff changeset	6864 }
3cd3cc1e9119 updated for version 7.3.1147 Bram Moolenaar <bram@vim.org> parents: 4799 diff changeset	6865 }
3cd3cc1e9119 updated for version 7.3.1147 Bram Moolenaar <bram@vim.org> parents: 4799 diff changeset	6866
3cd3cc1e9119 updated for version 7.3.1147 Bram Moolenaar <bram@vim.org> parents: 4799 diff changeset	6867 if (add)
3cd3cc1e9119 updated for version 7.3.1147 Bram Moolenaar <bram@vim.org> parents: 4799 diff changeset	6868 {
3cd3cc1e9119 updated for version 7.3.1147 Bram Moolenaar <bram@vim.org> parents: 4799 diff changeset	6869 if (REG_MULTI)
6547 436d6c9e57f2 updated for version 7.4.600 Bram Moolenaar <bram@vim.org> parents: 6545 diff changeset	6870 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	6871 (colnr_T)(rex.input - rex.line) + clen;
4801 3cd3cc1e9119 updated for version 7.3.1147 Bram Moolenaar <bram@vim.org> parents: 4799 diff changeset	6872 else
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	6873 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	6874 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	6875 {
481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	6876 nfa_match = NFA_TOO_EXPENSIVE;
481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	6877 goto theend;
481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	6878 }
4801 3cd3cc1e9119 updated for version 7.3.1147 Bram Moolenaar <bram@vim.org> parents: 4799 diff changeset	6879 }
4797 a30e3762957d updated for version 7.3.1145 Bram Moolenaar <bram@vim.org> parents: 4787 diff changeset	6880 }
a30e3762957d updated for version 7.3.1145 Bram Moolenaar <bram@vim.org> parents: 4787 diff changeset	6881 else
15796 481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	6882 {
481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	6883 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	6884 {
481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	6885 nfa_match = NFA_TOO_EXPENSIVE;
481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	6886 goto theend;
481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	6887 }
481452f6687c patch 8.1.0905: complicated regexp causes a crash Bram Moolenaar <Bram@vim.org> parents: 15709 diff changeset	6888 }
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6889 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6890
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6891 #ifdef ENABLE_LOG
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6892 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	6893 {
849180347ac3 updated for version 7.3.1022 Bram Moolenaar <bram@vim.org> parents: 4547 diff changeset	6894 int i;
849180347ac3 updated for version 7.3.1022 Bram Moolenaar <bram@vim.org> parents: 4547 diff changeset	6895
849180347ac3 updated for version 7.3.1022 Bram Moolenaar <bram@vim.org> parents: 4547 diff changeset	6896 for (i = 0; i < thislist->n; i++)
849180347ac3 updated for version 7.3.1022 Bram Moolenaar <bram@vim.org> parents: 4547 diff changeset	6897 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	6898 }
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6899 fprintf(log_fd, "\n");
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6900 #endif
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6901
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6902 nextchar:
4515 90e9917d4114 updated for version 7.3.1005 Bram Moolenaar <bram@vim.org> parents: 4507 diff changeset	6903 /* Advance to the next character, or advance to the next line, or
90e9917d4114 updated for version 7.3.1005 Bram Moolenaar <bram@vim.org> parents: 4507 diff changeset	6904 * finish. */
4549 849180347ac3 updated for version 7.3.1022 Bram Moolenaar <bram@vim.org> parents: 4547 diff changeset	6905 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	6906 rex.input += clen;
4694 efc4fb311d5d updated for version 7.3.1094 Bram Moolenaar <bram@vim.org> parents: 4692 diff changeset	6907 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	6908 && 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	6909 reg_nextline();
90e9917d4114 updated for version 7.3.1005 Bram Moolenaar <bram@vim.org> parents: 4507 diff changeset	6910 else
90e9917d4114 updated for version 7.3.1005 Bram Moolenaar <bram@vim.org> parents: 4507 diff changeset	6911 break;
6499 bcf9d3a6007f updated for version 7.4.577 Bram Moolenaar <bram@vim.org> parents: 6392 diff changeset	6912
bcf9d3a6007f updated for version 7.4.577 Bram Moolenaar <bram@vim.org> parents: 6392 diff changeset	6913 /* Allow interrupting with CTRL-C. */
6573 ffba266e064d updated for version 7.4.613 Bram Moolenaar <bram@vim.org> parents: 6547 diff changeset	6914 line_breakcheck();
6499 bcf9d3a6007f updated for version 7.4.577 Bram Moolenaar <bram@vim.org> parents: 6392 diff changeset	6915 if (got_int)
bcf9d3a6007f updated for version 7.4.577 Bram Moolenaar <bram@vim.org> parents: 6392 diff changeset	6916 break;
6573 ffba266e064d updated for version 7.4.613 Bram Moolenaar <bram@vim.org> parents: 6547 diff changeset	6917 #ifdef FEAT_RELTIME
ffba266e064d updated for version 7.4.613 Bram Moolenaar <bram@vim.org> parents: 6547 diff changeset	6918 /* Check for timeout once in a twenty times to avoid overhead. */
ffba266e064d updated for version 7.4.613 Bram Moolenaar <bram@vim.org> parents: 6547 diff changeset	6919 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	6920 {
ffba266e064d updated for version 7.4.613 Bram Moolenaar <bram@vim.org> parents: 6547 diff changeset	6921 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	6922 if (nfa_did_time_out())
6573 ffba266e064d updated for version 7.4.613 Bram Moolenaar <bram@vim.org> parents: 6547 diff changeset	6923 break;
ffba266e064d updated for version 7.4.613 Bram Moolenaar <bram@vim.org> parents: 6547 diff changeset	6924 }
ffba266e064d updated for version 7.4.613 Bram Moolenaar <bram@vim.org> parents: 6547 diff changeset	6925 #endif
4515 90e9917d4114 updated for version 7.3.1005 Bram Moolenaar <bram@vim.org> parents: 4507 diff changeset	6926 }
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6927
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6928 #ifdef ENABLE_LOG
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6929 if (log_fd != stderr)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6930 fclose(log_fd);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6931 log_fd = NULL;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6932 #endif
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6933
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6934 theend:
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6935 /* Free memory */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6936 vim_free(list[0].t);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6937 vim_free(list[1].t);
4561 4d81fdda8f35 updated for version 7.3.1028 Bram Moolenaar <bram@vim.org> parents: 4559 diff changeset	6938 vim_free(listids);
4783 47222d8b1e94 updated for version 7.3.1138 Bram Moolenaar <bram@vim.org> parents: 4781 diff changeset	6939 #undef ADD_STATE_IF_MATCH
4460 fe8a0a6a1c2a updated for version 7.3.978 Bram Moolenaar <bram@vim.org> parents: 4458 diff changeset	6940 #ifdef NFA_REGEXP_DEBUG_LOG
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6941 fclose(debug);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6942 #endif
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6943
4561 4d81fdda8f35 updated for version 7.3.1028 Bram Moolenaar <bram@vim.org> parents: 4559 diff changeset	6944 return nfa_match;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6945 }
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 /*
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	6948 * 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	6949 * 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	6950 */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6951 static long
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	6952 nfa_regtry(
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	6953 nfa_regprog_T *prog,
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	6954 colnr_T col,
11521 578df034735d patch 8.0.0643: when a pattern search is slow Vim becomes unusable Christian Brabandt <cb@256bit.org> parents: 11480 diff changeset	6955 proftime_T tm UNUSED, / timeout limit or NULL */
578df034735d patch 8.0.0643: when a pattern search is slow Vim becomes unusable Christian Brabandt <cb@256bit.org> parents: 11480 diff changeset	6956 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	6957 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6958 int i;
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	6959 regsubs_T subs, m;
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	6960 nfa_state_T *start = prog->start;
6328 adfbffe1e642 updated for version 7.4.497 Bram Moolenaar <bram@vim.org> parents: 6280 diff changeset	6961 int result;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6962 #ifdef ENABLE_LOG
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6963 FILE *f;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6964 #endif
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6965
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	6966 rex.input = rex.line + col;
6573 ffba266e064d updated for version 7.4.613 Bram Moolenaar <bram@vim.org> parents: 6547 diff changeset	6967 #ifdef FEAT_RELTIME
ffba266e064d updated for version 7.4.613 Bram Moolenaar <bram@vim.org> parents: 6547 diff changeset	6968 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	6969 nfa_timed_out = timed_out;
6573 ffba266e064d updated for version 7.4.613 Bram Moolenaar <bram@vim.org> parents: 6547 diff changeset	6970 nfa_time_count = 0;
ffba266e064d updated for version 7.4.613 Bram Moolenaar <bram@vim.org> parents: 6547 diff changeset	6971 #endif
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
4531 1be43c095aff updated for version 7.3.1013 Bram Moolenaar <bram@vim.org> parents: 4529 diff changeset	6974 f = fopen(NFA_REGEXP_RUN_LOG, "a");
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6975 if (f != NULL)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6976 {
4750 7793e737ec87 updated for version 7.3.1122 Bram Moolenaar <bram@vim.org> parents: 4748 diff changeset	6977 fprintf(f, "\n\n\t=======================================================\n");
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6978 #ifdef DEBUG
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6979 fprintf(f, "\tRegexp is \"%s\"\n", nfa_regengine.expr);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6980 #endif
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	6981 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	6982 fprintf(f, "\t=======================================================\n\n");
4533 6a2005efa02b updated for version 7.3.1014 Bram Moolenaar <bram@vim.org> parents: 4531 diff changeset	6983 nfa_print_state(f, start);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6984 fprintf(f, "\n\n");
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6985 fclose(f);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6986 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6987 else
15470 55ccc2d353bd patch 8.1.0743: giving error messages is not flexible Bram Moolenaar <Bram@vim.org> parents: 15265 diff changeset	6988 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	6989 #endif
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	6990
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	6991 clear_sub(&subs.norm);
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	6992 clear_sub(&m.norm);
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	6993 #ifdef FEAT_SYN_HL
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	6994 clear_sub(&subs.synt);
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	6995 clear_sub(&m.synt);
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	6996 #endif
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	6997
6328 adfbffe1e642 updated for version 7.4.497 Bram Moolenaar <bram@vim.org> parents: 6280 diff changeset	6998 result = nfa_regmatch(prog, start, &subs, &m);
adfbffe1e642 updated for version 7.4.497 Bram Moolenaar <bram@vim.org> parents: 6280 diff changeset	6999 if (result == FALSE)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7000 return 0;
6328 adfbffe1e642 updated for version 7.4.497 Bram Moolenaar <bram@vim.org> parents: 6280 diff changeset	7001 else if (result == NFA_TOO_EXPENSIVE)
adfbffe1e642 updated for version 7.4.497 Bram Moolenaar <bram@vim.org> parents: 6280 diff changeset	7002 return result;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7003
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7004 cleanup_subexpr();
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7005 if (REG_MULTI)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7006 {
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	7007 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	7008 {
10245 d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10170 diff changeset	7009 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	7010 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	7011
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10170 diff changeset	7012 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	7013 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	7014 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7015
10245 d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10170 diff changeset	7016 if (rex.reg_startpos[0].lnum < 0)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7017 {
10245 d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10170 diff changeset	7018 rex.reg_startpos[0].lnum = 0;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10170 diff changeset	7019 rex.reg_startpos[0].col = col;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7020 }
10245 d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10170 diff changeset	7021 if (rex.reg_endpos[0].lnum < 0)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7022 {
4569 f262fb02889d updated for version 7.3.1032 Bram Moolenaar <bram@vim.org> parents: 4567 diff changeset	7023 /* 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	7024 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	7025 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	7026 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7027 else
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7028 /* 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	7029 rex.lnum = rex.reg_endpos[0].lnum;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7030 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7031 else
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7032 {
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	7033 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	7034 {
10245 d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10170 diff changeset	7035 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	7036 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	7037 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7038
10245 d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10170 diff changeset	7039 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	7040 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	7041 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	7042 rex.reg_endp[0] = rex.input;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7043 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7044
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	7045 #ifdef FEAT_SYN_HL
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	7046 /* Package any found \z(...\) matches for export. Default is none. */
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	7047 unref_extmatch(re_extmatch_out);
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	7048 re_extmatch_out = NULL;
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	7049
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	7050 if (prog->reghasz == REX_SET)
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	7051 {
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	7052 cleanup_zsubexpr();
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	7053 re_extmatch_out = make_extmatch();
7258 7245d8635ac7 commit https://github.com/vim/vim/commit/5ad075c0735d3d8b97708d17c22de8facb15f997 Christian Brabandt <cb@256bit.org> parents: 7152 diff changeset	7054 /* Loop over \z1, \z2, etc. There is no \z0. */
7245d8635ac7 commit https://github.com/vim/vim/commit/5ad075c0735d3d8b97708d17c22de8facb15f997 Christian Brabandt <cb@256bit.org> parents: 7152 diff changeset	7055 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	7056 {
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	7057 if (REG_MULTI)
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	7058 {
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	7059 struct multipos *mpos = &subs.synt.list.multi[i];
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	7060
5820 4901a36479f2 updated for version 7.4.253 Bram Moolenaar <bram@vim.org> parents: 5735 diff changeset	7061 /* 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	7062 if (mpos->start_lnum >= 0
436d6c9e57f2 updated for version 7.4.600 Bram Moolenaar <bram@vim.org> parents: 6545 diff changeset	7063 && mpos->start_lnum == mpos->end_lnum
436d6c9e57f2 updated for version 7.4.600 Bram Moolenaar <bram@vim.org> parents: 6545 diff changeset	7064 && mpos->end_col >= mpos->start_col)
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	7065 re_extmatch_out->matches[i] =
6547 436d6c9e57f2 updated for version 7.4.600 Bram Moolenaar <bram@vim.org> parents: 6545 diff changeset	7066 vim_strnsave(reg_getline(mpos->start_lnum)
436d6c9e57f2 updated for version 7.4.600 Bram Moolenaar <bram@vim.org> parents: 6545 diff changeset	7067 + mpos->start_col,
436d6c9e57f2 updated for version 7.4.600 Bram Moolenaar <bram@vim.org> parents: 6545 diff changeset	7068 mpos->end_col - mpos->start_col);
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	7069 }
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	7070 else
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	7071 {
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	7072 struct linepos *lpos = &subs.synt.list.line[i];
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	7073
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	7074 if (lpos->start != NULL && lpos->end != NULL)
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	7075 re_extmatch_out->matches[i] =
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	7076 vim_strnsave(lpos->start,
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	7077 (int)(lpos->end - lpos->start));
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	7078 }
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	7079 }
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	7080 }
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	7081 #endif
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	7082
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	7083 return 1 + rex.lnum;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7084 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7085
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7086 /*
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7087 * 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	7088 * lines ("line" is NULL, use reg_getline()).
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7089 *
6392 2bb019eb60ca updated for version 7.4.527 Bram Moolenaar <bram@vim.org> parents: 6328 diff changeset	7090 * 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	7091 */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7092 static long
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	7093 nfa_regexec_both(
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	7094 char_u *line,
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	7095 colnr_T startcol, /* column to start looking for match */
11521 578df034735d patch 8.0.0643: when a pattern search is slow Vim becomes unusable Christian Brabandt <cb@256bit.org> parents: 11480 diff changeset	7096 proftime_T tm, / timeout limit or NULL */
578df034735d patch 8.0.0643: when a pattern search is slow Vim becomes unusable Christian Brabandt <cb@256bit.org> parents: 11480 diff changeset	7097 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	7098 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7099 nfa_regprog_T *prog;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7100 long retval = 0L;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7101 int i;
4772 03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	7102 colnr_T col = startcol;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7103
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7104 if (REG_MULTI)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7105 {
10245 d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10170 diff changeset	7106 prog = (nfa_regprog_T *)rex.reg_mmatch->regprog;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7107 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	7108 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	7109 rex.reg_endpos = rex.reg_mmatch->endpos;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7110 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7111 else
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7112 {
10245 d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10170 diff changeset	7113 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	7114 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	7115 rex.reg_endp = rex.reg_match->endp;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7116 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7117
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7118 /* Be paranoid... */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7119 if (prog == NULL \|\| line == NULL)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7120 {
15470 55ccc2d353bd patch 8.1.0743: giving error messages is not flexible Bram Moolenaar <Bram@vim.org> parents: 15265 diff changeset	7121 emsg(_(e_null));
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7122 goto theend;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7123 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7124
10245 d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10170 diff changeset	7125 /* 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	7126 if (prog->regflags & RF_ICASE)
10245 d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10170 diff changeset	7127 rex.reg_ic = TRUE;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7128 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	7129 rex.reg_ic = FALSE;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7130
10245 d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10170 diff changeset	7131 /* 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	7132 if (prog->regflags & RF_ICOMBINE)
10245 d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10170 diff changeset	7133 rex.reg_icombine = TRUE;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7134
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	7135 rex.line = line;
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	7136 rex.lnum = 0; /* relative to line */
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	7137
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	7138 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	7139 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	7140 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	7141 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	7142 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	7143 #ifdef DEBUG
4690 9d97a0c045ef updated for version 7.3.1092 Bram Moolenaar <bram@vim.org> parents: 4688 diff changeset	7144 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	7145 #endif
4553 7b835b2969af updated for version 7.3.1024 Bram Moolenaar <bram@vim.org> parents: 4551 diff changeset	7146
4772 03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	7147 if (prog->reganch && col > 0)
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	7148 return 0L;
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	7149
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	7150 rex.need_clear_subexpr = TRUE;
4805 66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	7151 #ifdef FEAT_SYN_HL
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	7152 /* Clear the external match subpointers if necessary. */
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	7153 if (prog->reghasz == REX_SET)
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	7154 {
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	7155 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	7156 rex.need_clear_zsubexpr = TRUE;
4805 66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	7157 }
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	7158 else
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	7159 {
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	7160 rex.nfa_has_zsubexpr = FALSE;
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	7161 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	7162 }
4805 66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	7163 #endif
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	7164
4772 03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	7165 if (prog->regstart != NUL)
4805 66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	7166 {
4801 3cd3cc1e9119 updated for version 7.3.1147 Bram Moolenaar <bram@vim.org> parents: 4799 diff changeset	7167 /* Skip ahead until a character we know the match must start with.
3cd3cc1e9119 updated for version 7.3.1147 Bram Moolenaar <bram@vim.org> parents: 4799 diff changeset	7168 * When there is none there is no match. */
3cd3cc1e9119 updated for version 7.3.1147 Bram Moolenaar <bram@vim.org> parents: 4799 diff changeset	7169 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	7170 return 0L;
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	7171
4805 66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	7172 /* If match_text is set it contains the full text that must match.
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	7173 * 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	7174 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	7175 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	7176 }
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	7177
4772 03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	7178 /* 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	7179 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	7180 goto theend;
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	7181
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	7182 // 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	7183 // 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	7184 nstate = 0;
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	7185 for (i = 0; i < prog->nstate; ++i)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7186 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7187 prog->state[i].id = i;
4718 ec72bb4a0fc2 updated for version 7.3.1106 Bram Moolenaar <bram@vim.org> parents: 4716 diff changeset	7188 prog->state[i].lastlist[0] = 0;
ec72bb4a0fc2 updated for version 7.3.1106 Bram Moolenaar <bram@vim.org> parents: 4716 diff changeset	7189 prog->state[i].lastlist[1] = 0;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7190 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7191
11521 578df034735d patch 8.0.0643: when a pattern search is slow Vim becomes unusable Christian Brabandt <cb@256bit.org> parents: 11480 diff changeset	7192 retval = nfa_regtry(prog, col, tm, timed_out);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7193
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	7194 #ifdef DEBUG
4690 9d97a0c045ef updated for version 7.3.1092 Bram Moolenaar <bram@vim.org> parents: 4688 diff changeset	7195 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	7196 #endif
4690 9d97a0c045ef updated for version 7.3.1092 Bram Moolenaar <bram@vim.org> parents: 4688 diff changeset	7197
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7198 theend:
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7199 return retval;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7200 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7201
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7202 /*
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7203 * 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	7204 * 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	7205 */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7206 static regprog_T *
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	7207 nfa_regcomp(char_u *expr, int re_flags)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7208 {
4541 80170d61a85c updated for version 7.3.1018 Bram Moolenaar <bram@vim.org> parents: 4539 diff changeset	7209 nfa_regprog_T *prog = NULL;
4458 21e13403140a updated for version 7.3.977 Bram Moolenaar <bram@vim.org> parents: 4456 diff changeset	7210 size_t prog_size;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7211 int *postfix;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7212
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7213 if (expr == NULL)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7214 return NULL;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7215
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	7216 #ifdef DEBUG
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7217 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	7218 #endif
6533 bdc8e71633e4 updated for version 7.4.593 Bram Moolenaar <bram@vim.org> parents: 6510 diff changeset	7219 nfa_re_flags = re_flags;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7220
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7221 init_class_tab();
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7222
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7223 if (nfa_regcomp_start(expr, re_flags) == FAIL)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7224 return NULL;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7225
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7226 /* Build postfix form of the regexp. Needed to build the NFA
4541 80170d61a85c updated for version 7.3.1018 Bram Moolenaar <bram@vim.org> parents: 4539 diff changeset	7227 * (and count its size). */
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7228 postfix = re2post();
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7229 if (postfix == NULL)
4555 b2946c06d1b6 updated for version 7.3.1025 Bram Moolenaar <bram@vim.org> parents: 4553 diff changeset	7230 {
b2946c06d1b6 updated for version 7.3.1025 Bram Moolenaar <bram@vim.org> parents: 4553 diff changeset	7231 /* TODO: only give this error for debugging? */
b2946c06d1b6 updated for version 7.3.1025 Bram Moolenaar <bram@vim.org> parents: 4553 diff changeset	7232 if (post_ptr >= post_end)
15470 55ccc2d353bd patch 8.1.0743: giving error messages is not flexible Bram Moolenaar <Bram@vim.org> parents: 15265 diff changeset	7233 siemsg("Internal error: estimated max number of states insufficient: %ld", post_end - post_start);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7234 goto fail; /* Cascaded (syntax?) error */
4555 b2946c06d1b6 updated for version 7.3.1025 Bram Moolenaar <bram@vim.org> parents: 4553 diff changeset	7235 }
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 /*
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7238 * 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	7239 * 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	7240 * 2. second to emit code
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7241 */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7242 #ifdef ENABLE_LOG
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7243 {
4531 1be43c095aff updated for version 7.3.1013 Bram Moolenaar <bram@vim.org> parents: 4529 diff changeset	7244 FILE *f = fopen(NFA_REGEXP_RUN_LOG, "a");
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7245
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7246 if (f != NULL)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7247 {
14145 1cf832945469 patch 8.1.0090: "..." used inconsistently in a message Christian Brabandt <cb@256bit.org> parents: 14121 diff changeset	7248 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	7249 fclose(f);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7250 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7251 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7252 #endif
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7253
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7254 /*
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7255 * PASS 1
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7256 * 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	7257 */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7258 post2nfa(postfix, post_ptr, TRUE);
4541 80170d61a85c updated for version 7.3.1018 Bram Moolenaar <bram@vim.org> parents: 4539 diff changeset	7259
4837 05b8436873d4 updated for version 7.3.1165 Bram Moolenaar <bram@vim.org> parents: 4821 diff changeset	7260 /* allocate the regprog with space for the compiled regexp */
05b8436873d4 updated for version 7.3.1165 Bram Moolenaar <bram@vim.org> parents: 4821 diff changeset	7261 prog_size = sizeof(nfa_regprog_T) + sizeof(nfa_state_T) * (nstate - 1);
4541 80170d61a85c updated for version 7.3.1018 Bram Moolenaar <bram@vim.org> parents: 4539 diff changeset	7262 prog = (nfa_regprog_T *)lalloc(prog_size, TRUE);
80170d61a85c updated for version 7.3.1018 Bram Moolenaar <bram@vim.org> parents: 4539 diff changeset	7263 if (prog == NULL)
80170d61a85c updated for version 7.3.1018 Bram Moolenaar <bram@vim.org> parents: 4539 diff changeset	7264 goto fail;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7265 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	7266 prog->re_in_use = FALSE;
4444 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 * PASS 2
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7270 * Build the NFA
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 prog->start = post2nfa(postfix, post_ptr, FALSE);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7273 if (prog->start == NULL)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7274 goto fail;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7275
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7276 prog->regflags = regflags;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7277 prog->engine = &nfa_regengine;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7278 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	7279 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	7280 prog->has_backref = rex.nfa_has_backref;
4561 4d81fdda8f35 updated for version 7.3.1028 Bram Moolenaar <bram@vim.org> parents: 4559 diff changeset	7281 prog->nsubexp = regnpar;
4772 03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	7282
4845 a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	7283 nfa_postprocess(prog);
a83fb2bd8c8e updated for version 7.3.1169 Bram Moolenaar <bram@vim.org> parents: 4837 diff changeset	7284
4772 03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	7285 prog->reganch = nfa_get_reganch(prog->start, 0);
03375ccf28a2 updated for version 7.3.1133 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	7286 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	7287 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	7288
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7289 #ifdef ENABLE_LOG
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7290 nfa_postfix_dump(expr, OK);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7291 nfa_dump(prog);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7292 #endif
4686 8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	7293 #ifdef FEAT_SYN_HL
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	7294 /* Remember whether this pattern has any \z specials in it. */
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	7295 prog->reghasz = re_has_z;
8db697ae406a updated for version 7.3.1090 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	7296 #endif
4805 66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	7297 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	7298 #ifdef DEBUG
4690 9d97a0c045ef updated for version 7.3.1092 Bram Moolenaar <bram@vim.org> parents: 4688 diff changeset	7299 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	7300 #endif
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7301
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7302 out:
13244 ac42c4b11dbc patch 8.0.1496: clearing a pointer takes two lines Christian Brabandt <cb@256bit.org> parents: 13208 diff changeset	7303 VIM_CLEAR(post_start);
ac42c4b11dbc patch 8.0.1496: clearing a pointer takes two lines Christian Brabandt <cb@256bit.org> parents: 13208 diff changeset	7304 post_ptr = post_end = NULL;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7305 state_ptr = NULL;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7306 return (regprog_T *)prog;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7307
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7308 fail:
13244 ac42c4b11dbc patch 8.0.1496: clearing a pointer takes two lines Christian Brabandt <cb@256bit.org> parents: 13208 diff changeset	7309 VIM_CLEAR(prog);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7310 #ifdef ENABLE_LOG
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7311 nfa_postfix_dump(expr, FAIL);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7312 #endif
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14309 diff changeset	7313 #ifdef DEBUG
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7314 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	7315 #endif
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7316 goto out;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7317 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7318
4805 66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	7319 /*
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	7320 * 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	7321 */
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	7322 static void
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	7323 nfa_regfree(regprog_T *prog)
4805 66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	7324 {
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	7325 if (prog != NULL)
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	7326 {
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	7327 vim_free(((nfa_regprog_T *)prog)->match_text);
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	7328 vim_free(((nfa_regprog_T *)prog)->pattern);
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	7329 vim_free(prog);
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	7330 }
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4801 diff changeset	7331 }
4444 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 /*
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7334 * Match a regexp against a string.
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7335 * "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	7336 * Uses curbuf for line count and 'iskeyword'.
5838 0ea551fa607d updated for version 7.4.262 Bram Moolenaar <bram@vim.org> parents: 5820 diff changeset	7337 * 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	7338 *
6392 2bb019eb60ca updated for version 7.4.527 Bram Moolenaar <bram@vim.org> parents: 6328 diff changeset	7339 * 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	7340 */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7341 static int
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	7342 nfa_regexec_nl(
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	7343 regmatch_T *rmp,
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	7344 char_u line, / string to match against */
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	7345 colnr_T col, /* column to start looking for match */
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	7346 int line_lbr)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7347 {
10245 d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10170 diff changeset	7348 rex.reg_match = rmp;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10170 diff changeset	7349 rex.reg_mmatch = NULL;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10170 diff changeset	7350 rex.reg_maxline = 0;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10170 diff changeset	7351 rex.reg_line_lbr = line_lbr;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10170 diff changeset	7352 rex.reg_buf = curbuf;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10170 diff changeset	7353 rex.reg_win = NULL;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10170 diff changeset	7354 rex.reg_ic = rmp->rm_ic;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10170 diff changeset	7355 rex.reg_icombine = FALSE;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10170 diff changeset	7356 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	7357 return nfa_regexec_both(line, col, NULL, NULL);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7358 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7359
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7360
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7361 /*
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7362 * Match a regexp against multiple lines.
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7363 * "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	7364 * Uses curbuf for line count and 'iskeyword'.
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7365 *
6392 2bb019eb60ca updated for version 7.4.527 Bram Moolenaar <bram@vim.org> parents: 6328 diff changeset	7366 * 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	7367 * match otherwise.
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 * 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	7370 *
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7371 * ! 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	7372 * 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	7373 *
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7374 * +-------------------------+
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7375 * \|a \|
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7376 * \|b \|
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7377 * \|c \|
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 * +-------------------------+
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7380 *
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7381 * then nfa_regexec_multi() returns 3. while the original
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7382 * 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	7383 *
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7384 * FIXME if this behavior is not compatible.
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7385 */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7386 static long
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	7387 nfa_regexec_multi(
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	7388 regmmatch_T *rmp,
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	7389 win_T win, / window in which to search or NULL */
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	7390 buf_T buf, / buffer in which to search */
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	7391 linenr_T lnum, /* nr of line to start looking for match */
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7805 diff changeset	7392 colnr_T col, /* column to start looking for match */
11521 578df034735d patch 8.0.0643: when a pattern search is slow Vim becomes unusable Christian Brabandt <cb@256bit.org> parents: 11480 diff changeset	7393 proftime_T tm, / timeout limit or NULL */
578df034735d patch 8.0.0643: when a pattern search is slow Vim becomes unusable Christian Brabandt <cb@256bit.org> parents: 11480 diff changeset	7394 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	7395 {
10245 d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10170 diff changeset	7396 rex.reg_match = NULL;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10170 diff changeset	7397 rex.reg_mmatch = rmp;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10170 diff changeset	7398 rex.reg_buf = buf;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10170 diff changeset	7399 rex.reg_win = win;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10170 diff changeset	7400 rex.reg_firstlnum = lnum;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10170 diff changeset	7401 rex.reg_maxline = rex.reg_buf->b_ml.ml_line_count - lnum;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10170 diff changeset	7402 rex.reg_line_lbr = FALSE;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10170 diff changeset	7403 rex.reg_ic = rmp->rmm_ic;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10170 diff changeset	7404 rex.reg_icombine = FALSE;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10170 diff changeset	7405 rex.reg_maxcol = rmp->rmm_maxcol;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7406
11521 578df034735d patch 8.0.0643: when a pattern search is slow Vim becomes unusable Christian Brabandt <cb@256bit.org> parents: 11480 diff changeset	7407 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	7408 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7409
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7410 #ifdef DEBUG
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7411 # undef ENABLE_LOG
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: diff changeset	7412 #endif

Mercurial > vim

annotate src/regexp_nfa.c @ 15802:f043c8931585 v8.1.0908