vim: src/regexp.c annotate

annotate src/regexp.c @ 23505:bb29b09902d5 v8.2.2295

patch 8.2.2295: incsearch does not detect empty pattern properly Commit: https://github.com/vim/vim/commit/d93a7fc1a98a58f8101ee780d4735079ad99ae35 Author: Bram Moolenaar <Bram@vim.org> Date: Mon Jan 4 12:42:13 2021 +0100 patch 8.2.2295: incsearch does not detect empty pattern properly Problem: Incsearch does not detect empty pattern properly. Solution: Return magic state when skipping over a pattern. (Christian Brabandt, closes #7612, closes #6420)

author	Bram Moolenaar <Bram@vim.org>
date	Mon, 04 Jan 2021 12:45:05 +0100
parents	a7cdfc8e4b6e
children	f293bb501b30

rev	line source
10042 4aead6a9b7a9 commit https://github.com/vim/vim/commit/edf3f97ae2af024708ebb4ac614227327033ca47 Christian Brabandt <cb@256bit.org> parents: 9723 diff changeset	1 /* vi:set ts=8 sts=4 sw=4 noet:
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2 *
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	3 * Handling of regular expressions: vim_regcomp(), vim_regexec(), vim_regsub()
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	4 */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	5
16395 a849fe2a4b21 patch 8.1.1202: always get regexp debugging logs when building with -DDEBUG Bram Moolenaar <Bram@vim.org> parents: 16054 diff changeset	6 // By default: do not create debugging logs or files related to regular
a849fe2a4b21 patch 8.1.1202: always get regexp debugging logs when building with -DDEBUG Bram Moolenaar <Bram@vim.org> parents: 16054 diff changeset	7 // expressions, even when compiling with -DDEBUG.
a849fe2a4b21 patch 8.1.1202: always get regexp debugging logs when building with -DDEBUG Bram Moolenaar <Bram@vim.org> parents: 16054 diff changeset	8 // Uncomment the second line to get the regexp debugging.
a849fe2a4b21 patch 8.1.1202: always get regexp debugging logs when building with -DDEBUG Bram Moolenaar <Bram@vim.org> parents: 16054 diff changeset	9 #undef DEBUG
a849fe2a4b21 patch 8.1.1202: always get regexp debugging logs when building with -DDEBUG Bram Moolenaar <Bram@vim.org> parents: 16054 diff changeset	10 // #define DEBUG
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: 4244 diff changeset	11
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	12 #include "vim.h"
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	13
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: 4244 diff changeset	14 #ifdef DEBUG
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	15 // show/save debugging data when BT engine is used
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: 4244 diff changeset	16 # define BT_REGEXP_DUMP
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	17 // save the debugging data to a file instead of displaying it
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: 4244 diff changeset	18 # define BT_REGEXP_LOG
4460 fe8a0a6a1c2a updated for version 7.3.978 Bram Moolenaar <bram@vim.org> parents: 4444 diff changeset	19 # define BT_REGEXP_DEBUG_LOG
fe8a0a6a1c2a updated for version 7.3.978 Bram Moolenaar <bram@vim.org> parents: 4444 diff changeset	20 # define BT_REGEXP_DEBUG_LOG_NAME "bt_regexp_debug.log"
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: 4244 diff changeset	21 #endif
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	22
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	23 /*
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	24 * Magic characters have a special meaning, they don't match literally.
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	25 * Magic characters are negative. This separates them from literal characters
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	26 * (possibly multi-byte). Only ASCII characters can be Magic.
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	27 */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	28 #define Magic(x) ((int)(x) - 256)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	29 #define un_Magic(x) ((x) + 256)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	30 #define is_Magic(x) ((x) < 0)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	31
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	32 static int
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7807 diff changeset	33 no_Magic(int x)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	34 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	35 if (is_Magic(x))
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	36 return un_Magic(x);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	37 return x;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	38 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	39
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	40 static int
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7807 diff changeset	41 toggle_Magic(int x)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	42 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	43 if (is_Magic(x))
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	44 return un_Magic(x);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	45 return Magic(x);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	46 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	47
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	48 /*
18019 68fd5296bf73 patch 8.1.2005: the regexp.c file is too big Bram Moolenaar <Bram@vim.org> parents: 17966 diff changeset	49 * The first byte of the BT regexp internal "program" is actually this magic
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	50 * number; the start node begins in the second byte. It's used to catch the
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	51 * most severe mutilation of the program by the caller.
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	52 */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	53
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	54 #define REGMAGIC 0234
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	55
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	56 /*
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	57 * Utility definitions.
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	58 */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	59 #define UCHARAT(p) ((int)(char_u )(p))
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	60
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	61 // Used for an error (down from) vim_regcomp(): give the error message, set
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	62 // rc_did_emsg and return NULL
15470 55ccc2d353bd patch 8.1.0743: giving error messages is not flexible Bram Moolenaar <Bram@vim.org> parents: 15339 diff changeset	63 #define EMSG_RET_NULL(m) return (emsg((m)), rc_did_emsg = TRUE, (void *)NULL)
55ccc2d353bd patch 8.1.0743: giving error messages is not flexible Bram Moolenaar <Bram@vim.org> parents: 15339 diff changeset	64 #define IEMSG_RET_NULL(m) return (iemsg((m)), rc_did_emsg = TRUE, (void *)NULL)
55ccc2d353bd patch 8.1.0743: giving error messages is not flexible Bram Moolenaar <Bram@vim.org> parents: 15339 diff changeset	65 #define EMSG_RET_FAIL(m) return (emsg((m)), rc_did_emsg = TRUE, FAIL)
55ccc2d353bd patch 8.1.0743: giving error messages is not flexible Bram Moolenaar <Bram@vim.org> parents: 15339 diff changeset	66 #define EMSG2_RET_NULL(m, c) return (semsg((const char )(m), (c) ? "" : "\\"), rc_did_emsg = TRUE, (void )NULL)
15480 bd12ace1bab2 patch 8.1.0748: using sprintf() instead of semsg() Bram Moolenaar <Bram@vim.org> parents: 15470 diff changeset	67 #define EMSG3_RET_NULL(m, c, a) return (semsg((const char )(m), (c) ? "" : "\\", (a)), rc_did_emsg = TRUE, (void )NULL)
15470 55ccc2d353bd patch 8.1.0743: giving error messages is not flexible Bram Moolenaar <Bram@vim.org> parents: 15339 diff changeset	68 #define EMSG2_RET_FAIL(m, c) return (semsg((const char *)(m), (c) ? "" : "\\"), rc_did_emsg = TRUE, FAIL)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: 4244 diff changeset	69 #define EMSG_ONE_RET_NULL EMSG2_RET_NULL(_("E369: invalid item in %s%%[]"), reg_magic == MAGIC_ALL)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	70
10359 66f1b5bf3fa6 commit https://github.com/vim/vim/commit/95f096030ed1a8afea028f2ea295d6f6a70f466f Christian Brabandt <cb@256bit.org> parents: 10245 diff changeset	71
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	72 #define MAX_LIMIT (32767L << 16L)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	73
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: 4244 diff changeset	74 static char_u e_missingbracket[] = N_("E769: Missing ] after %s[");
11480 99ce30ac4226 patch 8.0.0623: error for invalid regexp is not very informative Christian Brabandt <cb@256bit.org> parents: 11269 diff changeset	75 static char_u e_reverse_range[] = N_("E944: Reverse range in character class");
99ce30ac4226 patch 8.0.0623: error for invalid regexp is not very informative Christian Brabandt <cb@256bit.org> parents: 11269 diff changeset	76 static char_u e_large_class[] = N_("E945: Range too large in character class");
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: 4244 diff changeset	77 static char_u e_unmatchedpp[] = N_("E53: Unmatched %s%%(");
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: 4244 diff changeset	78 static char_u e_unmatchedp[] = N_("E54: Unmatched %s(");
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: 4244 diff changeset	79 static char_u e_unmatchedpar[] = N_("E55: Unmatched %s)");
4720 bd6bef0bd0fb updated for version 7.3.1107 Bram Moolenaar <bram@vim.org> parents: 4688 diff changeset	80 #ifdef FEAT_SYN_HL
4688 371cc0c44097 updated for version 7.3.1091 Bram Moolenaar <bram@vim.org> parents: 4682 diff changeset	81 static char_u e_z_not_allowed[] = N_("E66: \\z( not allowed here");
14161 7cac4646c552 patch 8.1.0098: segfault when pattern with z() is very slow Christian Brabandt <cb@256bit.org> parents: 13286 diff changeset	82 static char_u e_z1_not_allowed[] = N_("E67: \\z1 - \\z9 not allowed here");
4720 bd6bef0bd0fb updated for version 7.3.1107 Bram Moolenaar <bram@vim.org> parents: 4688 diff changeset	83 #endif
4744 a62695305e03 updated for version 7.3.1119 Bram Moolenaar <bram@vim.org> parents: 4732 diff changeset	84 static char_u e_missing_sb[] = N_("E69: Missing ] after %s%%[");
4760 532a9855bd30 updated for version 7.3.1127 Bram Moolenaar <bram@vim.org> parents: 4746 diff changeset	85 static char_u e_empty_sb[] = N_("E70: Empty %s%%[]");
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14169 diff changeset	86 static char_u e_recursive[] = N_("E956: Cannot use pattern recursively");
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14169 diff changeset	87
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	88 #define NOT_MULTI 0
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	89 #define MULTI_ONE 1
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	90 #define MULTI_MULT 2
18019 68fd5296bf73 patch 8.1.2005: the regexp.c file is too big Bram Moolenaar <Bram@vim.org> parents: 17966 diff changeset	91
68fd5296bf73 patch 8.1.2005: the regexp.c file is too big Bram Moolenaar <Bram@vim.org> parents: 17966 diff changeset	92 // return values for regmatch()
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	93 #define RA_FAIL 1 // something failed, abort
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	94 #define RA_CONT 2 // continue in inner loop
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	95 #define RA_BREAK 3 // break inner loop
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	96 #define RA_MATCH 4 // successful match
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	97 #define RA_NOMATCH 5 // didn't match
18019 68fd5296bf73 patch 8.1.2005: the regexp.c file is too big Bram Moolenaar <Bram@vim.org> parents: 17966 diff changeset	98
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	99 /*
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	100 * Return NOT_MULTI if c is not a "multi" operator.
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	101 * Return MULTI_ONE if c is a single "multi" operator.
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	102 * Return MULTI_MULT if c is a multi "multi" operator.
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	103 */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	104 static int
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7807 diff changeset	105 re_multi_type(int c)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	106 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	107 if (c == Magic('@') \|\| c == Magic('=') \|\| c == Magic('?'))
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	108 return MULTI_ONE;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	109 if (c == Magic('*') \|\| c == Magic('+') \|\| c == Magic('{'))
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	110 return MULTI_MULT;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	111 return NOT_MULTI;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	112 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	113
359 6c62b9b939bd updated for version 7.0093 vimboss parents: 308 diff changeset	114 static char_u *reg_prev_sub = NULL;
6c62b9b939bd updated for version 7.0093 vimboss parents: 308 diff changeset	115
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	116 /*
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	117 * REGEXP_INRANGE contains all characters which are always special in a []
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	118 * range after '\'.
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	119 * REGEXP_ABBR contains all characters which act as abbreviations after '\'.
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	120 * These are:
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	121 * \n - New line (NL).
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	122 * \r - Carriage Return (CR).
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	123 * \t - Tab (TAB).
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	124 * \e - Escape (ESC).
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	125 * \b - Backspace (Ctrl_H).
24 8ff7fd162d3c updated for version 7.0016 vimboss parents: 7 diff changeset	126 * \d - Character code in decimal, eg \d123
8ff7fd162d3c updated for version 7.0016 vimboss parents: 7 diff changeset	127 * \o - Character code in octal, eg \o80
8ff7fd162d3c updated for version 7.0016 vimboss parents: 7 diff changeset	128 * \x - Character code in hex, eg \x4a
8ff7fd162d3c updated for version 7.0016 vimboss parents: 7 diff changeset	129 * \u - Multibyte character code, eg \u20ac
8ff7fd162d3c updated for version 7.0016 vimboss parents: 7 diff changeset	130 * \U - Long multibyte character code, eg \U12345678
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	131 */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	132 static char_u REGEXP_INRANGE[] = "]^-n\\";
24 8ff7fd162d3c updated for version 7.0016 vimboss parents: 7 diff changeset	133 static char_u REGEXP_ABBR[] = "nrtebdoxuU";
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	134
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	135 /*
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	136 * Translate '\x' to its control character, except "\n", which is Magic.
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	137 */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	138 static int
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7807 diff changeset	139 backslash_trans(int c)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	140 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	141 switch (c)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	142 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	143 case 'r': return CAR;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	144 case 't': return TAB;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	145 case 'e': return ESC;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	146 case 'b': return BS;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	147 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	148 return c;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	149 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	150
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	151 /*
167 c93c9cad9618 updated for version 7.0051 vimboss parents: 153 diff changeset	152 * Check for a character class name "[:name:]". "pp" points to the '['.
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	153 * Returns one of the CLASS_ items. CLASS_NONE means that no item was
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	154 * recognized. Otherwise "pp" is advanced to after the item.
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	155 */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	156 static int
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7807 diff changeset	157 get_char_class(char_u **pp)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	158 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	159 static const char *(class_names[]) =
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	160 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	161 "alnum:]",
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	162 #define CLASS_ALNUM 0
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	163 "alpha:]",
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	164 #define CLASS_ALPHA 1
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	165 "blank:]",
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	166 #define CLASS_BLANK 2
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	167 "cntrl:]",
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	168 #define CLASS_CNTRL 3
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	169 "digit:]",
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	170 #define CLASS_DIGIT 4
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	171 "graph:]",
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	172 #define CLASS_GRAPH 5
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	173 "lower:]",
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	174 #define CLASS_LOWER 6
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	175 "print:]",
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	176 #define CLASS_PRINT 7
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	177 "punct:]",
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	178 #define CLASS_PUNCT 8
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	179 "space:]",
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	180 #define CLASS_SPACE 9
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	181 "upper:]",
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	182 #define CLASS_UPPER 10
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	183 "xdigit:]",
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	184 #define CLASS_XDIGIT 11
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	185 "tab:]",
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	186 #define CLASS_TAB 12
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	187 "return:]",
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	188 #define CLASS_RETURN 13
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	189 "backspace:]",
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	190 #define CLASS_BACKSPACE 14
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	191 "escape:]",
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	192 #define CLASS_ESCAPE 15
15709 2e2f07561f4b patch 8.1.0862: no verbose version of character classes Bram Moolenaar <Bram@vim.org> parents: 15603 diff changeset	193 "ident:]",
2e2f07561f4b patch 8.1.0862: no verbose version of character classes Bram Moolenaar <Bram@vim.org> parents: 15603 diff changeset	194 #define CLASS_IDENT 16
2e2f07561f4b patch 8.1.0862: no verbose version of character classes Bram Moolenaar <Bram@vim.org> parents: 15603 diff changeset	195 "keyword:]",
2e2f07561f4b patch 8.1.0862: no verbose version of character classes Bram Moolenaar <Bram@vim.org> parents: 15603 diff changeset	196 #define CLASS_KEYWORD 17
2e2f07561f4b patch 8.1.0862: no verbose version of character classes Bram Moolenaar <Bram@vim.org> parents: 15603 diff changeset	197 "fname:]",
2e2f07561f4b patch 8.1.0862: no verbose version of character classes Bram Moolenaar <Bram@vim.org> parents: 15603 diff changeset	198 #define CLASS_FNAME 18
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	199 };
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	200 #define CLASS_NONE 99
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	201 int i;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	202
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	203 if ((*pp)[1] == ':')
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	204 {
1877 b5c1cb6f8d56 updated for version 7.2-174 vimboss parents: 1815 diff changeset	205 for (i = 0; i < (int)(sizeof(class_names) / sizeof(*class_names)); ++i)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	206 if (STRNCMP(*pp + 2, class_names[i], STRLEN(class_names[i])) == 0)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	207 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	208 *pp += STRLEN(class_names[i]) + 2;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	209 return i;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	210 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	211 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	212 return CLASS_NONE;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	213 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	214
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	215 /*
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	216 * Specific version of character class functions.
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	217 * Using a table to keep this fast.
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	218 */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	219 static short class_tab[256];
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	220
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	221 #define RI_DIGIT 0x01
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	222 #define RI_HEX 0x02
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	223 #define RI_OCTAL 0x04
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	224 #define RI_WORD 0x08
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	225 #define RI_HEAD 0x10
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	226 #define RI_ALPHA 0x20
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	227 #define RI_LOWER 0x40
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	228 #define RI_UPPER 0x80
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	229 #define RI_WHITE 0x100
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	230
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	231 static void
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7807 diff changeset	232 init_class_tab(void)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	233 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	234 int i;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	235 static int done = FALSE;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	236
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	237 if (done)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	238 return;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	239
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	240 for (i = 0; i < 256; ++i)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	241 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	242 if (i >= '0' && i <= '7')
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	243 class_tab[i] = RI_DIGIT + RI_HEX + RI_OCTAL + RI_WORD;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	244 else if (i >= '8' && i <= '9')
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	245 class_tab[i] = RI_DIGIT + RI_HEX + RI_WORD;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	246 else if (i >= 'a' && i <= 'f')
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	247 class_tab[i] = RI_HEX + RI_WORD + RI_HEAD + RI_ALPHA + RI_LOWER;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	248 #ifdef EBCDIC
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	249 else if ((i >= 'g' && i <= 'i') \|\| (i >= 'j' && i <= 'r')
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	250 \|\| (i >= 's' && i <= 'z'))
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	251 #else
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	252 else if (i >= 'g' && i <= 'z')
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	253 #endif
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	254 class_tab[i] = RI_WORD + RI_HEAD + RI_ALPHA + RI_LOWER;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	255 else if (i >= 'A' && i <= 'F')
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	256 class_tab[i] = RI_HEX + RI_WORD + RI_HEAD + RI_ALPHA + RI_UPPER;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	257 #ifdef EBCDIC
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	258 else if ((i >= 'G' && i <= 'I') \|\| ( i >= 'J' && i <= 'R')
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	259 \|\| (i >= 'S' && i <= 'Z'))
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	260 #else
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	261 else if (i >= 'G' && i <= 'Z')
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	262 #endif
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	263 class_tab[i] = RI_WORD + RI_HEAD + RI_ALPHA + RI_UPPER;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	264 else if (i == '_')
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	265 class_tab[i] = RI_WORD + RI_HEAD;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	266 else
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	267 class_tab[i] = 0;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	268 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	269 class_tab[' '] \|= RI_WHITE;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	270 class_tab['\t'] \|= RI_WHITE;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	271 done = TRUE;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	272 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	273
15603 639b8318472c patch 8.1.0809: too many #ifdefs Bram Moolenaar <Bram@vim.org> parents: 15555 diff changeset	274 #define ri_digit(c) (c < 0x100 && (class_tab[c] & RI_DIGIT))
639b8318472c patch 8.1.0809: too many #ifdefs Bram Moolenaar <Bram@vim.org> parents: 15555 diff changeset	275 #define ri_hex(c) (c < 0x100 && (class_tab[c] & RI_HEX))
639b8318472c patch 8.1.0809: too many #ifdefs Bram Moolenaar <Bram@vim.org> parents: 15555 diff changeset	276 #define ri_octal(c) (c < 0x100 && (class_tab[c] & RI_OCTAL))
639b8318472c patch 8.1.0809: too many #ifdefs Bram Moolenaar <Bram@vim.org> parents: 15555 diff changeset	277 #define ri_word(c) (c < 0x100 && (class_tab[c] & RI_WORD))
639b8318472c patch 8.1.0809: too many #ifdefs Bram Moolenaar <Bram@vim.org> parents: 15555 diff changeset	278 #define ri_head(c) (c < 0x100 && (class_tab[c] & RI_HEAD))
639b8318472c patch 8.1.0809: too many #ifdefs Bram Moolenaar <Bram@vim.org> parents: 15555 diff changeset	279 #define ri_alpha(c) (c < 0x100 && (class_tab[c] & RI_ALPHA))
639b8318472c patch 8.1.0809: too many #ifdefs Bram Moolenaar <Bram@vim.org> parents: 15555 diff changeset	280 #define ri_lower(c) (c < 0x100 && (class_tab[c] & RI_LOWER))
639b8318472c patch 8.1.0809: too many #ifdefs Bram Moolenaar <Bram@vim.org> parents: 15555 diff changeset	281 #define ri_upper(c) (c < 0x100 && (class_tab[c] & RI_UPPER))
639b8318472c patch 8.1.0809: too many #ifdefs Bram Moolenaar <Bram@vim.org> parents: 15555 diff changeset	282 #define ri_white(c) (c < 0x100 && (class_tab[c] & RI_WHITE))
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	283
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	284 // flags for regflags
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	285 #define RF_ICASE 1 // ignore case
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	286 #define RF_NOICASE 2 // don't ignore case
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	287 #define RF_HASNL 4 // can match a NL
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	288 #define RF_ICOMBINE 8 // ignore combining characters
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	289 #define RF_LOOKBH 16 // uses "\@<=" or "\@<!"
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	290
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	291 /*
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	292 * Global work variables for vim_regcomp().
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	293 */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	294
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	295 static char_u *regparse; // Input-scan pointer.
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	296 static int regnpar; // () count.
23471 a7cdfc8e4b6e patch 8.2.2278: falling back to old regexp engine can some patterns Bram Moolenaar <Bram@vim.org> parents: 22167 diff changeset	297 static int wants_nfa; // regex should use NFA engine
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	298 #ifdef FEAT_SYN_HL
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	299 static int regnzpar; // \z() count.
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	300 static int re_has_z; // \z item detected
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	301 #endif
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	302 static unsigned regflags; // RF_ flags for prog
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	303 #if defined(FEAT_SYN_HL) \|\| defined(PROTO)
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	304 static int had_eol; // TRUE when EOL found by vim_regcomp()
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	305 #endif
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	306
23505 bb29b09902d5 patch 8.2.2295: incsearch does not detect empty pattern properly Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	307 static magic_T reg_magic; // magicness of the pattern
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	308
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	309 static int reg_string; // matching with a string instead of a buffer
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	310 // line
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	311 static int reg_strict; // "[abc" is illegal
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	312
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	313 /*
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	314 * META contains all characters that may be magic, except '^' and '$'.
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	315 */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	316
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	317 #ifdef EBCDIC
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	318 static char_u META[] = "%&()*+.123456789<=>?@ACDFHIKLMOPSUVWX[_acdfhiklmnopsuvwxz{\|~";
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	319 #else
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	320 // META[] is used often enough to justify turning it into a table.
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	321 static char_u META_flags[] = {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	322 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	323 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	324 // % & ( ) * + .
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	325 0, 0, 0, 0, 0, 1, 1, 0, 1, 1, 1, 1, 0, 0, 1, 0,
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	326 // 1 2 3 4 5 6 7 8 9 < = > ?
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	327 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 1, 1, 1, 1,
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	328 // @ A C D F H I K L M O
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	329 1, 1, 0, 1, 1, 0, 1, 0, 1, 1, 0, 1, 1, 1, 0, 1,
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	330 // P S U V W X Z [ _
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	331 1, 0, 0, 1, 0, 1, 1, 1, 1, 0, 1, 1, 0, 0, 0, 1,
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	332 // a c d f h i k l m n o
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	333 0, 1, 0, 1, 1, 0, 1, 0, 1, 1, 0, 1, 1, 1, 1, 1,
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	334 // p s u v w x z { \| ~
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	335 1, 0, 0, 1, 0, 1, 1, 1, 1, 0, 1, 1, 1, 0, 1
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	336 };
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	337 #endif
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	338
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	339 static int curchr; // currently parsed character
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	340 // Previous character. Note: prevchr is sometimes -1 when we are not at the
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	341 // start, eg in /[ ^I]^ the pattern was never found even if it existed,
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	342 // because ^ was taken to be magic -- webb
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: 4244 diff changeset	343 static int prevchr;
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	344 static int prevprevchr; // previous-previous character
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	345 static int nextchr; // used for ungetchr()
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	346
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	347 // arguments for reg()
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	348 #define REG_NOPAREN 0 // toplevel reg()
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	349 #define REG_PAREN 1 //
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	350 #define REG_ZPAREN 2 // \z(\)
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	351 #define REG_NPAREN 3 // \%(\)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	352
4679 4d92b873acef updated for version 7.3.1087 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	353 typedef struct
4d92b873acef updated for version 7.3.1087 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	354 {
4d92b873acef updated for version 7.3.1087 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	355 char_u *regparse;
4d92b873acef updated for version 7.3.1087 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	356 int prevchr_len;
4d92b873acef updated for version 7.3.1087 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	357 int curchr;
4d92b873acef updated for version 7.3.1087 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	358 int prevchr;
4d92b873acef updated for version 7.3.1087 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	359 int prevprevchr;
4d92b873acef updated for version 7.3.1087 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	360 int nextchr;
4d92b873acef updated for version 7.3.1087 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	361 int at_start;
4d92b873acef updated for version 7.3.1087 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	362 int prev_at_start;
4d92b873acef updated for version 7.3.1087 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	363 int regnpar;
4d92b873acef updated for version 7.3.1087 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	364 } parse_state_T;
4d92b873acef updated for version 7.3.1087 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	365
7805 0b6c37dd858d commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077 Christian Brabandt <cb@256bit.org> parents: 7009 diff changeset	366 static void initchr(char_u *);
0b6c37dd858d commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077 Christian Brabandt <cb@256bit.org> parents: 7009 diff changeset	367 static int getchr(void);
0b6c37dd858d commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077 Christian Brabandt <cb@256bit.org> parents: 7009 diff changeset	368 static void skipchr_keepstart(void);
0b6c37dd858d commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077 Christian Brabandt <cb@256bit.org> parents: 7009 diff changeset	369 static int peekchr(void);
0b6c37dd858d commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077 Christian Brabandt <cb@256bit.org> parents: 7009 diff changeset	370 static void skipchr(void);
0b6c37dd858d commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077 Christian Brabandt <cb@256bit.org> parents: 7009 diff changeset	371 static void ungetchr(void);
12752 09c856605191 patch 8.0.1254: undefined left shift in gethexchrs() Christian Brabandt <cb@256bit.org> parents: 12674 diff changeset	372 static long gethexchrs(int maxinputlen);
09c856605191 patch 8.0.1254: undefined left shift in gethexchrs() Christian Brabandt <cb@256bit.org> parents: 12674 diff changeset	373 static long getoctchrs(void);
09c856605191 patch 8.0.1254: undefined left shift in gethexchrs() Christian Brabandt <cb@256bit.org> parents: 12674 diff changeset	374 static long getdecchrs(void);
7805 0b6c37dd858d commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077 Christian Brabandt <cb@256bit.org> parents: 7009 diff changeset	375 static int coll_get_char(void);
0b6c37dd858d commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077 Christian Brabandt <cb@256bit.org> parents: 7009 diff changeset	376 static int prog_magic_wrong(void);
18019 68fd5296bf73 patch 8.1.2005: the regexp.c file is too big Bram Moolenaar <Bram@vim.org> parents: 17966 diff changeset	377 static int cstrncmp(char_u s1, char_u s2, int *n);
68fd5296bf73 patch 8.1.2005: the regexp.c file is too big Bram Moolenaar <Bram@vim.org> parents: 17966 diff changeset	378 static char_u cstrchr(char_u , int);
68fd5296bf73 patch 8.1.2005: the regexp.c file is too big Bram Moolenaar <Bram@vim.org> parents: 17966 diff changeset	379 static int re_mult_next(char *what);
15709 2e2f07561f4b patch 8.1.0862: no verbose version of character classes Bram Moolenaar <Bram@vim.org> parents: 15603 diff changeset	380 static int reg_iswordc(int);
23471 a7cdfc8e4b6e patch 8.2.2278: falling back to old regexp engine can some patterns Bram Moolenaar <Bram@vim.org> parents: 22167 diff changeset	381 #ifdef FEAT_EVAL
a7cdfc8e4b6e patch 8.2.2278: falling back to old regexp engine can some patterns Bram Moolenaar <Bram@vim.org> parents: 22167 diff changeset	382 static void report_re_switch(char_u *pat);
a7cdfc8e4b6e patch 8.2.2278: falling back to old regexp engine can some patterns Bram Moolenaar <Bram@vim.org> parents: 22167 diff changeset	383 #endif
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	384
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: 4244 diff changeset	385 static regengine_T bt_regengine;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: 4244 diff changeset	386 static regengine_T nfa_regengine;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: 4244 diff changeset	387
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	388 /*
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	389 * Return TRUE if compiled regular expression "prog" can match a line break.
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	390 */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	391 int
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7807 diff changeset	392 re_multiline(regprog_T *prog)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	393 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	394 return (prog->regflags & RF_HASNL);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	395 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	396
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	397 /*
167 c93c9cad9618 updated for version 7.0051 vimboss parents: 153 diff changeset	398 * Check for an equivalence class name "[=a=]". "pp" points to the '['.
c93c9cad9618 updated for version 7.0051 vimboss parents: 153 diff changeset	399 * Returns a character representing the class. Zero means that no item was
c93c9cad9618 updated for version 7.0051 vimboss parents: 153 diff changeset	400 * recognized. Otherwise "pp" is advanced to after the item.
c93c9cad9618 updated for version 7.0051 vimboss parents: 153 diff changeset	401 */
c93c9cad9618 updated for version 7.0051 vimboss parents: 153 diff changeset	402 static int
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7807 diff changeset	403 get_equi_class(char_u **pp)
167 c93c9cad9618 updated for version 7.0051 vimboss parents: 153 diff changeset	404 {
c93c9cad9618 updated for version 7.0051 vimboss parents: 153 diff changeset	405 int c;
c93c9cad9618 updated for version 7.0051 vimboss parents: 153 diff changeset	406 int l = 1;
c93c9cad9618 updated for version 7.0051 vimboss parents: 153 diff changeset	407 char_u p = pp;
c93c9cad9618 updated for version 7.0051 vimboss parents: 153 diff changeset	408
15854 4ac1c185b0b8 patch 8.1.0934: invalid memory access in search pattern Bram Moolenaar <Bram@vim.org> parents: 15792 diff changeset	409 if (p[1] == '=' && p[2] != NUL)
167 c93c9cad9618 updated for version 7.0051 vimboss parents: 153 diff changeset	410 {
c93c9cad9618 updated for version 7.0051 vimboss parents: 153 diff changeset	411 if (has_mbyte)
474 a5fcf36ef512 updated for version 7.0127 vimboss parents: 418 diff changeset	412 l = (*mb_ptr2len)(p + 2);
167 c93c9cad9618 updated for version 7.0051 vimboss parents: 153 diff changeset	413 if (p[l + 2] == '=' && p[l + 3] == ']')
c93c9cad9618 updated for version 7.0051 vimboss parents: 153 diff changeset	414 {
c93c9cad9618 updated for version 7.0051 vimboss parents: 153 diff changeset	415 if (has_mbyte)
c93c9cad9618 updated for version 7.0051 vimboss parents: 153 diff changeset	416 c = mb_ptr2char(p + 2);
c93c9cad9618 updated for version 7.0051 vimboss parents: 153 diff changeset	417 else
c93c9cad9618 updated for version 7.0051 vimboss parents: 153 diff changeset	418 c = p[2];
c93c9cad9618 updated for version 7.0051 vimboss parents: 153 diff changeset	419 *pp += l + 4;
c93c9cad9618 updated for version 7.0051 vimboss parents: 153 diff changeset	420 return c;
c93c9cad9618 updated for version 7.0051 vimboss parents: 153 diff changeset	421 }
c93c9cad9618 updated for version 7.0051 vimboss parents: 153 diff changeset	422 }
c93c9cad9618 updated for version 7.0051 vimboss parents: 153 diff changeset	423 return 0;
c93c9cad9618 updated for version 7.0051 vimboss parents: 153 diff changeset	424 }
c93c9cad9618 updated for version 7.0051 vimboss parents: 153 diff changeset	425
2247 c40cd9aad546 Add patch to improve support of z/OS (OS/390). (Ralf Schandl) Bram Moolenaar <bram@vim.org> parents: 2173 diff changeset	426 #ifdef EBCDIC
c40cd9aad546 Add patch to improve support of z/OS (OS/390). (Ralf Schandl) Bram Moolenaar <bram@vim.org> parents: 2173 diff changeset	427 /*
c40cd9aad546 Add patch to improve support of z/OS (OS/390). (Ralf Schandl) Bram Moolenaar <bram@vim.org> parents: 2173 diff changeset	428 * Table for equivalence class "c". (IBM-1047)
c40cd9aad546 Add patch to improve support of z/OS (OS/390). (Ralf Schandl) Bram Moolenaar <bram@vim.org> parents: 2173 diff changeset	429 */
17789 0f7ae8010787 patch 8.1.1891: functions used in one file are global Bram Moolenaar <Bram@vim.org> parents: 17659 diff changeset	430 static char *EQUIVAL_CLASS_C[16] = {
2247 c40cd9aad546 Add patch to improve support of z/OS (OS/390). (Ralf Schandl) Bram Moolenaar <bram@vim.org> parents: 2173 diff changeset	431 "A\x62\x63\x64\x65\x66\x67",
c40cd9aad546 Add patch to improve support of z/OS (OS/390). (Ralf Schandl) Bram Moolenaar <bram@vim.org> parents: 2173 diff changeset	432 "C\x68",
c40cd9aad546 Add patch to improve support of z/OS (OS/390). (Ralf Schandl) Bram Moolenaar <bram@vim.org> parents: 2173 diff changeset	433 "E\x71\x72\x73\x74",
c40cd9aad546 Add patch to improve support of z/OS (OS/390). (Ralf Schandl) Bram Moolenaar <bram@vim.org> parents: 2173 diff changeset	434 "I\x75\x76\x77\x78",
c40cd9aad546 Add patch to improve support of z/OS (OS/390). (Ralf Schandl) Bram Moolenaar <bram@vim.org> parents: 2173 diff changeset	435 "N\x69",
8825 318eaa6fa973 commit https://github.com/vim/vim/commit/22e421549d54147d003f6444de007cb1d73f1d27 Christian Brabandt <cb@256bit.org> parents: 8212 diff changeset	436 "O\xEB\xEC\xED\xEE\xEF\x80",
2247 c40cd9aad546 Add patch to improve support of z/OS (OS/390). (Ralf Schandl) Bram Moolenaar <bram@vim.org> parents: 2173 diff changeset	437 "U\xFB\xFC\xFD\xFE",
c40cd9aad546 Add patch to improve support of z/OS (OS/390). (Ralf Schandl) Bram Moolenaar <bram@vim.org> parents: 2173 diff changeset	438 "Y\xBA",
c40cd9aad546 Add patch to improve support of z/OS (OS/390). (Ralf Schandl) Bram Moolenaar <bram@vim.org> parents: 2173 diff changeset	439 "a\x42\x43\x44\x45\x46\x47",
c40cd9aad546 Add patch to improve support of z/OS (OS/390). (Ralf Schandl) Bram Moolenaar <bram@vim.org> parents: 2173 diff changeset	440 "c\x48",
c40cd9aad546 Add patch to improve support of z/OS (OS/390). (Ralf Schandl) Bram Moolenaar <bram@vim.org> parents: 2173 diff changeset	441 "e\x51\x52\x53\x54",
c40cd9aad546 Add patch to improve support of z/OS (OS/390). (Ralf Schandl) Bram Moolenaar <bram@vim.org> parents: 2173 diff changeset	442 "i\x55\x56\x57\x58",
c40cd9aad546 Add patch to improve support of z/OS (OS/390). (Ralf Schandl) Bram Moolenaar <bram@vim.org> parents: 2173 diff changeset	443 "n\x49",
8825 318eaa6fa973 commit https://github.com/vim/vim/commit/22e421549d54147d003f6444de007cb1d73f1d27 Christian Brabandt <cb@256bit.org> parents: 8212 diff changeset	444 "o\xCB\xCC\xCD\xCE\xCF\x70",
2247 c40cd9aad546 Add patch to improve support of z/OS (OS/390). (Ralf Schandl) Bram Moolenaar <bram@vim.org> parents: 2173 diff changeset	445 "u\xDB\xDC\xDD\xDE",
c40cd9aad546 Add patch to improve support of z/OS (OS/390). (Ralf Schandl) Bram Moolenaar <bram@vim.org> parents: 2173 diff changeset	446 "y\x8D\xDF",
c40cd9aad546 Add patch to improve support of z/OS (OS/390). (Ralf Schandl) Bram Moolenaar <bram@vim.org> parents: 2173 diff changeset	447 };
c40cd9aad546 Add patch to improve support of z/OS (OS/390). (Ralf Schandl) Bram Moolenaar <bram@vim.org> parents: 2173 diff changeset	448 #endif
c40cd9aad546 Add patch to improve support of z/OS (OS/390). (Ralf Schandl) Bram Moolenaar <bram@vim.org> parents: 2173 diff changeset	449
167 c93c9cad9618 updated for version 7.0051 vimboss parents: 153 diff changeset	450 /*
c93c9cad9618 updated for version 7.0051 vimboss parents: 153 diff changeset	451 * Check for a collating element "[.a.]". "pp" points to the '['.
c93c9cad9618 updated for version 7.0051 vimboss parents: 153 diff changeset	452 * Returns a character. Zero means that no item was recognized. Otherwise
c93c9cad9618 updated for version 7.0051 vimboss parents: 153 diff changeset	453 * "pp" is advanced to after the item.
c93c9cad9618 updated for version 7.0051 vimboss parents: 153 diff changeset	454 * Currently only single characters are recognized!
c93c9cad9618 updated for version 7.0051 vimboss parents: 153 diff changeset	455 */
c93c9cad9618 updated for version 7.0051 vimboss parents: 153 diff changeset	456 static int
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7807 diff changeset	457 get_coll_element(char_u **pp)
167 c93c9cad9618 updated for version 7.0051 vimboss parents: 153 diff changeset	458 {
c93c9cad9618 updated for version 7.0051 vimboss parents: 153 diff changeset	459 int c;
c93c9cad9618 updated for version 7.0051 vimboss parents: 153 diff changeset	460 int l = 1;
c93c9cad9618 updated for version 7.0051 vimboss parents: 153 diff changeset	461 char_u p = pp;
c93c9cad9618 updated for version 7.0051 vimboss parents: 153 diff changeset	462
15860 9cd9bf2897de patch 8.1.0937: invalid memory access in search pattern Bram Moolenaar <Bram@vim.org> parents: 15856 diff changeset	463 if (p[0] != NUL && p[1] == '.' && p[2] != NUL)
167 c93c9cad9618 updated for version 7.0051 vimboss parents: 153 diff changeset	464 {
c93c9cad9618 updated for version 7.0051 vimboss parents: 153 diff changeset	465 if (has_mbyte)
474 a5fcf36ef512 updated for version 7.0127 vimboss parents: 418 diff changeset	466 l = (*mb_ptr2len)(p + 2);
167 c93c9cad9618 updated for version 7.0051 vimboss parents: 153 diff changeset	467 if (p[l + 2] == '.' && p[l + 3] == ']')
c93c9cad9618 updated for version 7.0051 vimboss parents: 153 diff changeset	468 {
c93c9cad9618 updated for version 7.0051 vimboss parents: 153 diff changeset	469 if (has_mbyte)
c93c9cad9618 updated for version 7.0051 vimboss parents: 153 diff changeset	470 c = mb_ptr2char(p + 2);
c93c9cad9618 updated for version 7.0051 vimboss parents: 153 diff changeset	471 else
c93c9cad9618 updated for version 7.0051 vimboss parents: 153 diff changeset	472 c = p[2];
c93c9cad9618 updated for version 7.0051 vimboss parents: 153 diff changeset	473 *pp += l + 4;
c93c9cad9618 updated for version 7.0051 vimboss parents: 153 diff changeset	474 return c;
c93c9cad9618 updated for version 7.0051 vimboss parents: 153 diff changeset	475 }
c93c9cad9618 updated for version 7.0051 vimboss parents: 153 diff changeset	476 }
c93c9cad9618 updated for version 7.0051 vimboss parents: 153 diff changeset	477 return 0;
c93c9cad9618 updated for version 7.0051 vimboss parents: 153 diff changeset	478 }
c93c9cad9618 updated for version 7.0051 vimboss parents: 153 diff changeset	479
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	480 static int reg_cpo_lit; // 'cpoptions' contains 'l' flag
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	481 static int reg_cpo_bsl; // 'cpoptions' contains '\' flag
4744 a62695305e03 updated for version 7.3.1119 Bram Moolenaar <bram@vim.org> parents: 4732 diff changeset	482
a62695305e03 updated for version 7.3.1119 Bram Moolenaar <bram@vim.org> parents: 4732 diff changeset	483 static void
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7807 diff changeset	484 get_cpo_flags(void)
4744 a62695305e03 updated for version 7.3.1119 Bram Moolenaar <bram@vim.org> parents: 4732 diff changeset	485 {
a62695305e03 updated for version 7.3.1119 Bram Moolenaar <bram@vim.org> parents: 4732 diff changeset	486 reg_cpo_lit = vim_strchr(p_cpo, CPO_LITERAL) != NULL;
a62695305e03 updated for version 7.3.1119 Bram Moolenaar <bram@vim.org> parents: 4732 diff changeset	487 reg_cpo_bsl = vim_strchr(p_cpo, CPO_BACKSL) != NULL;
a62695305e03 updated for version 7.3.1119 Bram Moolenaar <bram@vim.org> parents: 4732 diff changeset	488 }
167 c93c9cad9618 updated for version 7.0051 vimboss parents: 153 diff changeset	489
c93c9cad9618 updated for version 7.0051 vimboss parents: 153 diff changeset	490 /*
c93c9cad9618 updated for version 7.0051 vimboss parents: 153 diff changeset	491 * Skip over a "[]" range.
c93c9cad9618 updated for version 7.0051 vimboss parents: 153 diff changeset	492 * "p" must point to the character after the '['.
c93c9cad9618 updated for version 7.0051 vimboss parents: 153 diff changeset	493 * The returned pointer is on the matching ']', or the terminating NUL.
c93c9cad9618 updated for version 7.0051 vimboss parents: 153 diff changeset	494 */
c93c9cad9618 updated for version 7.0051 vimboss parents: 153 diff changeset	495 static char_u *
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7807 diff changeset	496 skip_anyof(char_u *p)
167 c93c9cad9618 updated for version 7.0051 vimboss parents: 153 diff changeset	497 {
c93c9cad9618 updated for version 7.0051 vimboss parents: 153 diff changeset	498 int l;
c93c9cad9618 updated for version 7.0051 vimboss parents: 153 diff changeset	499
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	500 if (*p == '^') // Complement of range.
167 c93c9cad9618 updated for version 7.0051 vimboss parents: 153 diff changeset	501 ++p;
c93c9cad9618 updated for version 7.0051 vimboss parents: 153 diff changeset	502 if (p == ']' \|\| p == '-')
c93c9cad9618 updated for version 7.0051 vimboss parents: 153 diff changeset	503 ++p;
c93c9cad9618 updated for version 7.0051 vimboss parents: 153 diff changeset	504 while (p != NUL && p != ']')
c93c9cad9618 updated for version 7.0051 vimboss parents: 153 diff changeset	505 {
474 a5fcf36ef512 updated for version 7.0127 vimboss parents: 418 diff changeset	506 if (has_mbyte && (l = (*mb_ptr2len)(p)) > 1)
167 c93c9cad9618 updated for version 7.0051 vimboss parents: 153 diff changeset	507 p += l;
c93c9cad9618 updated for version 7.0051 vimboss parents: 153 diff changeset	508 else
c93c9cad9618 updated for version 7.0051 vimboss parents: 153 diff changeset	509 if (*p == '-')
c93c9cad9618 updated for version 7.0051 vimboss parents: 153 diff changeset	510 {
c93c9cad9618 updated for version 7.0051 vimboss parents: 153 diff changeset	511 ++p;
c93c9cad9618 updated for version 7.0051 vimboss parents: 153 diff changeset	512 if (p != ']' && p != NUL)
11127 506f5d8b7d8b patch 8.0.0451: some macros are in lower case Christian Brabandt <cb@256bit.org> parents: 11121 diff changeset	513 MB_PTR_ADV(p);
167 c93c9cad9618 updated for version 7.0051 vimboss parents: 153 diff changeset	514 }
c93c9cad9618 updated for version 7.0051 vimboss parents: 153 diff changeset	515 else if (*p == '\\'
4744 a62695305e03 updated for version 7.3.1119 Bram Moolenaar <bram@vim.org> parents: 4732 diff changeset	516 && !reg_cpo_bsl
167 c93c9cad9618 updated for version 7.0051 vimboss parents: 153 diff changeset	517 && (vim_strchr(REGEXP_INRANGE, p[1]) != NULL
4744 a62695305e03 updated for version 7.3.1119 Bram Moolenaar <bram@vim.org> parents: 4732 diff changeset	518 \|\| (!reg_cpo_lit && vim_strchr(REGEXP_ABBR, p[1]) != NULL)))
167 c93c9cad9618 updated for version 7.0051 vimboss parents: 153 diff changeset	519 p += 2;
c93c9cad9618 updated for version 7.0051 vimboss parents: 153 diff changeset	520 else if (*p == '[')
c93c9cad9618 updated for version 7.0051 vimboss parents: 153 diff changeset	521 {
c93c9cad9618 updated for version 7.0051 vimboss parents: 153 diff changeset	522 if (get_char_class(&p) == CLASS_NONE
c93c9cad9618 updated for version 7.0051 vimboss parents: 153 diff changeset	523 && get_equi_class(&p) == 0
6830 70fdcdaf96a6 patch 7.4.736 Bram Moolenaar <bram@vim.org> parents: 6785 diff changeset	524 && get_coll_element(&p) == 0
70fdcdaf96a6 patch 7.4.736 Bram Moolenaar <bram@vim.org> parents: 6785 diff changeset	525 && *p != NUL)
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	526 ++p; // it is not a class name and not NUL
167 c93c9cad9618 updated for version 7.0051 vimboss parents: 153 diff changeset	527 }
c93c9cad9618 updated for version 7.0051 vimboss parents: 153 diff changeset	528 else
c93c9cad9618 updated for version 7.0051 vimboss parents: 153 diff changeset	529 ++p;
c93c9cad9618 updated for version 7.0051 vimboss parents: 153 diff changeset	530 }
c93c9cad9618 updated for version 7.0051 vimboss parents: 153 diff changeset	531
c93c9cad9618 updated for version 7.0051 vimboss parents: 153 diff changeset	532 return p;
c93c9cad9618 updated for version 7.0051 vimboss parents: 153 diff changeset	533 }
c93c9cad9618 updated for version 7.0051 vimboss parents: 153 diff changeset	534
c93c9cad9618 updated for version 7.0051 vimboss parents: 153 diff changeset	535 /*
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	536 * Skip past regular expression.
20113 2c23053c654a patch 8.2.0612: Vim9: no check for space before #comment Bram Moolenaar <Bram@vim.org> parents: 20007 diff changeset	537 * Stop at end of "startp" or where "delim" is found ('/', '?', etc).
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	538 * Take care of characters with a backslash in front of it.
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	539 * Skip strings inside [ and ].
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	540 */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	541 char_u *
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7807 diff changeset	542 skip_regexp(
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7807 diff changeset	543 char_u *startp,
20113 2c23053c654a patch 8.2.0612: Vim9: no check for space before #comment Bram Moolenaar <Bram@vim.org> parents: 20007 diff changeset	544 int delim,
19892 5feb426d2ea1 patch 8.2.0502: Vim9: some code is not tested Bram Moolenaar <Bram@vim.org> parents: 19405 diff changeset	545 int magic)
5feb426d2ea1 patch 8.2.0502: Vim9: some code is not tested Bram Moolenaar <Bram@vim.org> parents: 19405 diff changeset	546 {
23505 bb29b09902d5 patch 8.2.2295: incsearch does not detect empty pattern properly Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	547 return skip_regexp_ex(startp, delim, magic, NULL, NULL, NULL);
20113 2c23053c654a patch 8.2.0612: Vim9: no check for space before #comment Bram Moolenaar <Bram@vim.org> parents: 20007 diff changeset	548 }
2c23053c654a patch 8.2.0612: Vim9: no check for space before #comment Bram Moolenaar <Bram@vim.org> parents: 20007 diff changeset	549
2c23053c654a patch 8.2.0612: Vim9: no check for space before #comment Bram Moolenaar <Bram@vim.org> parents: 20007 diff changeset	550 /*
2c23053c654a patch 8.2.0612: Vim9: no check for space before #comment Bram Moolenaar <Bram@vim.org> parents: 20007 diff changeset	551 * Call skip_regexp() and when the delimiter does not match give an error and
2c23053c654a patch 8.2.0612: Vim9: no check for space before #comment Bram Moolenaar <Bram@vim.org> parents: 20007 diff changeset	552 * return NULL.
2c23053c654a patch 8.2.0612: Vim9: no check for space before #comment Bram Moolenaar <Bram@vim.org> parents: 20007 diff changeset	553 */
2c23053c654a patch 8.2.0612: Vim9: no check for space before #comment Bram Moolenaar <Bram@vim.org> parents: 20007 diff changeset	554 char_u *
2c23053c654a patch 8.2.0612: Vim9: no check for space before #comment Bram Moolenaar <Bram@vim.org> parents: 20007 diff changeset	555 skip_regexp_err(
2c23053c654a patch 8.2.0612: Vim9: no check for space before #comment Bram Moolenaar <Bram@vim.org> parents: 20007 diff changeset	556 char_u *startp,
2c23053c654a patch 8.2.0612: Vim9: no check for space before #comment Bram Moolenaar <Bram@vim.org> parents: 20007 diff changeset	557 int delim,
2c23053c654a patch 8.2.0612: Vim9: no check for space before #comment Bram Moolenaar <Bram@vim.org> parents: 20007 diff changeset	558 int magic)
2c23053c654a patch 8.2.0612: Vim9: no check for space before #comment Bram Moolenaar <Bram@vim.org> parents: 20007 diff changeset	559 {
2c23053c654a patch 8.2.0612: Vim9: no check for space before #comment Bram Moolenaar <Bram@vim.org> parents: 20007 diff changeset	560 char_u *p = skip_regexp(startp, delim, magic);
2c23053c654a patch 8.2.0612: Vim9: no check for space before #comment Bram Moolenaar <Bram@vim.org> parents: 20007 diff changeset	561
2c23053c654a patch 8.2.0612: Vim9: no check for space before #comment Bram Moolenaar <Bram@vim.org> parents: 20007 diff changeset	562 if (*p != delim)
2c23053c654a patch 8.2.0612: Vim9: no check for space before #comment Bram Moolenaar <Bram@vim.org> parents: 20007 diff changeset	563 {
2c23053c654a patch 8.2.0612: Vim9: no check for space before #comment Bram Moolenaar <Bram@vim.org> parents: 20007 diff changeset	564 semsg(_("E654: missing delimiter after search pattern: %s"), startp);
2c23053c654a patch 8.2.0612: Vim9: no check for space before #comment Bram Moolenaar <Bram@vim.org> parents: 20007 diff changeset	565 return NULL;
2c23053c654a patch 8.2.0612: Vim9: no check for space before #comment Bram Moolenaar <Bram@vim.org> parents: 20007 diff changeset	566 }
2c23053c654a patch 8.2.0612: Vim9: no check for space before #comment Bram Moolenaar <Bram@vim.org> parents: 20007 diff changeset	567 return p;
19892 5feb426d2ea1 patch 8.2.0502: Vim9: some code is not tested Bram Moolenaar <Bram@vim.org> parents: 19405 diff changeset	568 }
5feb426d2ea1 patch 8.2.0502: Vim9: some code is not tested Bram Moolenaar <Bram@vim.org> parents: 19405 diff changeset	569
5feb426d2ea1 patch 8.2.0502: Vim9: some code is not tested Bram Moolenaar <Bram@vim.org> parents: 19405 diff changeset	570 /*
5feb426d2ea1 patch 8.2.0502: Vim9: some code is not tested Bram Moolenaar <Bram@vim.org> parents: 19405 diff changeset	571 * skip_regexp() with extra arguments:
5feb426d2ea1 patch 8.2.0502: Vim9: some code is not tested Bram Moolenaar <Bram@vim.org> parents: 19405 diff changeset	572 * When "newp" is not NULL and "dirc" is '?', make an allocated copy of the
5feb426d2ea1 patch 8.2.0502: Vim9: some code is not tested Bram Moolenaar <Bram@vim.org> parents: 19405 diff changeset	573 * expression and change "\?" to "?". If "*newp" is not NULL the expression
5feb426d2ea1 patch 8.2.0502: Vim9: some code is not tested Bram Moolenaar <Bram@vim.org> parents: 19405 diff changeset	574 * is changed in-place.
5feb426d2ea1 patch 8.2.0502: Vim9: some code is not tested Bram Moolenaar <Bram@vim.org> parents: 19405 diff changeset	575 * If a "\?" is changed to "?" then "dropped" is incremented, unless NULL.
23505 bb29b09902d5 patch 8.2.2295: incsearch does not detect empty pattern properly Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	576 * If "magic_val" is not NULL, returns the effective magicness of the pattern
19892 5feb426d2ea1 patch 8.2.0502: Vim9: some code is not tested Bram Moolenaar <Bram@vim.org> parents: 19405 diff changeset	577 */
5feb426d2ea1 patch 8.2.0502: Vim9: some code is not tested Bram Moolenaar <Bram@vim.org> parents: 19405 diff changeset	578 char_u *
5feb426d2ea1 patch 8.2.0502: Vim9: some code is not tested Bram Moolenaar <Bram@vim.org> parents: 19405 diff changeset	579 skip_regexp_ex(
5feb426d2ea1 patch 8.2.0502: Vim9: some code is not tested Bram Moolenaar <Bram@vim.org> parents: 19405 diff changeset	580 char_u *startp,
5feb426d2ea1 patch 8.2.0502: Vim9: some code is not tested Bram Moolenaar <Bram@vim.org> parents: 19405 diff changeset	581 int dirc,
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7807 diff changeset	582 int magic,
19892 5feb426d2ea1 patch 8.2.0502: Vim9: some code is not tested Bram Moolenaar <Bram@vim.org> parents: 19405 diff changeset	583 char_u **newp,
23505 bb29b09902d5 patch 8.2.2295: incsearch does not detect empty pattern properly Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	584 int *dropped,
bb29b09902d5 patch 8.2.2295: incsearch does not detect empty pattern properly Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	585 magic_T *magic_val)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	586 {
23505 bb29b09902d5 patch 8.2.2295: incsearch does not detect empty pattern properly Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	587 magic_T mymagic;
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	588 char_u *p = startp;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	589
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	590 if (magic)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	591 mymagic = MAGIC_ON;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	592 else
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	593 mymagic = MAGIC_OFF;
4744 a62695305e03 updated for version 7.3.1119 Bram Moolenaar <bram@vim.org> parents: 4732 diff changeset	594 get_cpo_flags();
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	595
11127 506f5d8b7d8b patch 8.0.0451: some macros are in lower case Christian Brabandt <cb@256bit.org> parents: 11121 diff changeset	596 for (; p[0] != NUL; MB_PTR_ADV(p))
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	597 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	598 if (p[0] == dirc) // found end of regexp
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	599 break;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	600 if ((p[0] == '[' && mymagic >= MAGIC_ON)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	601 \|\| (p[0] == '\\' && p[1] == '[' && mymagic <= MAGIC_OFF))
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	602 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	603 p = skip_anyof(p + 1);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	604 if (p[0] == NUL)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	605 break;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	606 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	607 else if (p[0] == '\\' && p[1] != NUL)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	608 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	609 if (dirc == '?' && newp != NULL && p[1] == '?')
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	610 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	611 // change "\?" to "?", make a copy first.
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	612 if (*newp == NULL)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	613 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	614 *newp = vim_strsave(startp);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	615 if (*newp != NULL)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	616 p = *newp + (p - startp);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	617 }
19892 5feb426d2ea1 patch 8.2.0502: Vim9: some code is not tested Bram Moolenaar <Bram@vim.org> parents: 19405 diff changeset	618 if (dropped != NULL)
5feb426d2ea1 patch 8.2.0502: Vim9: some code is not tested Bram Moolenaar <Bram@vim.org> parents: 19405 diff changeset	619 ++*dropped;
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	620 if (*newp != NULL)
1621 82b5078be2dd updated for version 7.2a vimboss parents: 1602 diff changeset	621 STRMOVE(p, p + 1);
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	622 else
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	623 ++p;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	624 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	625 else
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	626 ++p; // skip next character
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	627 if (*p == 'v')
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	628 mymagic = MAGIC_ALL;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	629 else if (*p == 'V')
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	630 mymagic = MAGIC_NONE;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	631 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	632 }
23505 bb29b09902d5 patch 8.2.2295: incsearch does not detect empty pattern properly Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	633 if (magic_val != NULL)
bb29b09902d5 patch 8.2.2295: incsearch does not detect empty pattern properly Bram Moolenaar <Bram@vim.org> parents: 23471 diff changeset	634 *magic_val = mymagic;
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	635 return p;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	636 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	637
11525 14b6b79d685b patch 8.0.0645: no error for illegal back reference in NFA engine Christian Brabandt <cb@256bit.org> parents: 11521 diff changeset	638 /*
18019 68fd5296bf73 patch 8.1.2005: the regexp.c file is too big Bram Moolenaar <Bram@vim.org> parents: 17966 diff changeset	639 * Functions for getting characters from the regexp input.
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	640 */
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	641 static int prevchr_len; // byte length of previous char
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14169 diff changeset	642 static int at_start; // True when on the first character
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14169 diff changeset	643 static int prev_at_start; // True when on the second character
8021 b6b4f354df23 commit https://github.com/vim/vim/commit/7c29f387819b5817b003d2ba73e2b5cf3cb3d0dd Christian Brabandt <cb@256bit.org> parents: 7833 diff changeset	644
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	645 /*
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: 4244 diff changeset	646 * Start parsing at "str".
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: 4244 diff changeset	647 */
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	648 static void
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7807 diff changeset	649 initchr(char_u *str)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	650 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	651 regparse = str;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	652 prevchr_len = 0;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	653 curchr = prevprevchr = prevchr = nextchr = -1;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	654 at_start = TRUE;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	655 prev_at_start = FALSE;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	656 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	657
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: 4244 diff changeset	658 /*
4679 4d92b873acef updated for version 7.3.1087 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	659 * Save the current parse state, so that it can be restored and parsing
4d92b873acef updated for version 7.3.1087 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	660 * starts in the same state again.
4d92b873acef updated for version 7.3.1087 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	661 */
4d92b873acef updated for version 7.3.1087 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	662 static void
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7807 diff changeset	663 save_parse_state(parse_state_T *ps)
4679 4d92b873acef updated for version 7.3.1087 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	664 {
4d92b873acef updated for version 7.3.1087 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	665 ps->regparse = regparse;
4d92b873acef updated for version 7.3.1087 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	666 ps->prevchr_len = prevchr_len;
4d92b873acef updated for version 7.3.1087 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	667 ps->curchr = curchr;
4d92b873acef updated for version 7.3.1087 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	668 ps->prevchr = prevchr;
4d92b873acef updated for version 7.3.1087 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	669 ps->prevprevchr = prevprevchr;
4d92b873acef updated for version 7.3.1087 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	670 ps->nextchr = nextchr;
4d92b873acef updated for version 7.3.1087 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	671 ps->at_start = at_start;
4d92b873acef updated for version 7.3.1087 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	672 ps->prev_at_start = prev_at_start;
4d92b873acef updated for version 7.3.1087 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	673 ps->regnpar = regnpar;
4d92b873acef updated for version 7.3.1087 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	674 }
4d92b873acef updated for version 7.3.1087 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	675
4d92b873acef updated for version 7.3.1087 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	676 /*
4d92b873acef updated for version 7.3.1087 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	677 * Restore a previously saved parse state.
4d92b873acef updated for version 7.3.1087 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	678 */
4d92b873acef updated for version 7.3.1087 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	679 static void
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7807 diff changeset	680 restore_parse_state(parse_state_T *ps)
4679 4d92b873acef updated for version 7.3.1087 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	681 {
4d92b873acef updated for version 7.3.1087 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	682 regparse = ps->regparse;
4d92b873acef updated for version 7.3.1087 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	683 prevchr_len = ps->prevchr_len;
4d92b873acef updated for version 7.3.1087 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	684 curchr = ps->curchr;
4d92b873acef updated for version 7.3.1087 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	685 prevchr = ps->prevchr;
4d92b873acef updated for version 7.3.1087 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	686 prevprevchr = ps->prevprevchr;
4d92b873acef updated for version 7.3.1087 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	687 nextchr = ps->nextchr;
4d92b873acef updated for version 7.3.1087 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	688 at_start = ps->at_start;
4d92b873acef updated for version 7.3.1087 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	689 prev_at_start = ps->prev_at_start;
4d92b873acef updated for version 7.3.1087 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	690 regnpar = ps->regnpar;
4d92b873acef updated for version 7.3.1087 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	691 }
4d92b873acef updated for version 7.3.1087 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	692
4d92b873acef updated for version 7.3.1087 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	693
4d92b873acef updated for version 7.3.1087 Bram Moolenaar <bram@vim.org> parents: 4579 diff changeset	694 /*
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: 4244 diff changeset	695 * Get the next character without advancing.
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: 4244 diff changeset	696 */
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	697 static int
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7807 diff changeset	698 peekchr(void)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	699 {
167 c93c9cad9618 updated for version 7.0051 vimboss parents: 153 diff changeset	700 static int after_slash = FALSE;
c93c9cad9618 updated for version 7.0051 vimboss parents: 153 diff changeset	701
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	702 if (curchr == -1)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	703 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	704 switch (curchr = regparse[0])
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	705 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	706 case '.':
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	707 case '[':
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	708 case '~':
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	709 // magic when 'magic' is on
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	710 if (reg_magic >= MAGIC_ON)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	711 curchr = Magic(curchr);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	712 break;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	713 case '(':
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	714 case ')':
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	715 case '{':
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	716 case '%':
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	717 case '+':
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	718 case '=':
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	719 case '?':
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	720 case '@':
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	721 case '!':
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	722 case '&':
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	723 case '\|':
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	724 case '<':
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	725 case '>':
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	726 case '#': // future ext.
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	727 case '"': // future ext.
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	728 case '\'': // future ext.
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	729 case ',': // future ext.
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	730 case '-': // future ext.
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	731 case ':': // future ext.
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	732 case ';': // future ext.
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	733 case '`': // future ext.
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	734 case '/': // Can't be used in / command
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	735 // magic only after "\v"
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	736 if (reg_magic == MAGIC_ALL)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	737 curchr = Magic(curchr);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	738 break;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	739 case '*':
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	740 // * is not magic as the very first character, eg "?*ptr", when
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	741 // after '^', eg "/^*ptr" and when after "\(", "\\|", "\&". But
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	742 // "\(\*" is not magic, thus must be magic if "after_slash"
167 c93c9cad9618 updated for version 7.0051 vimboss parents: 153 diff changeset	743 if (reg_magic >= MAGIC_ON
c93c9cad9618 updated for version 7.0051 vimboss parents: 153 diff changeset	744 && !at_start
c93c9cad9618 updated for version 7.0051 vimboss parents: 153 diff changeset	745 && !(prev_at_start && prevchr == Magic('^'))
c93c9cad9618 updated for version 7.0051 vimboss parents: 153 diff changeset	746 && (after_slash
c93c9cad9618 updated for version 7.0051 vimboss parents: 153 diff changeset	747 \|\| (prevchr != Magic('(')
c93c9cad9618 updated for version 7.0051 vimboss parents: 153 diff changeset	748 && prevchr != Magic('&')
c93c9cad9618 updated for version 7.0051 vimboss parents: 153 diff changeset	749 && prevchr != Magic('\|'))))
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	750 curchr = Magic('*');
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	751 break;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	752 case '^':
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	753 // '^' is only magic as the very first character and if it's after
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	754 // "\(", "\\|", "\&' or "\n"
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	755 if (reg_magic >= MAGIC_OFF
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	756 && (at_start
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	757 \|\| reg_magic == MAGIC_ALL
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	758 \|\| prevchr == Magic('(')
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	759 \|\| prevchr == Magic('\|')
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	760 \|\| prevchr == Magic('&')
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	761 \|\| prevchr == Magic('n')
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	762 \|\| (no_Magic(prevchr) == '('
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	763 && prevprevchr == Magic('%'))))
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	764 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	765 curchr = Magic('^');
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	766 at_start = TRUE;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	767 prev_at_start = FALSE;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	768 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	769 break;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	770 case '$':
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	771 // '$' is only magic as the very last char and if it's in front of
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	772 // either "\\|", "\)", "\&", or "\n"
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	773 if (reg_magic >= MAGIC_OFF)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	774 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	775 char_u *p = regparse + 1;
6041 761687c6808f updated for version 7.4.360 Bram Moolenaar <bram@vim.org> parents: 5901 diff changeset	776 int is_magic_all = (reg_magic == MAGIC_ALL);
761687c6808f updated for version 7.4.360 Bram Moolenaar <bram@vim.org> parents: 5901 diff changeset	777
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	778 // ignore \c \C \m \M \v \V and \Z after '$'
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	779 while (p[0] == '\\' && (p[1] == 'c' \|\| p[1] == 'C'
6041 761687c6808f updated for version 7.4.360 Bram Moolenaar <bram@vim.org> parents: 5901 diff changeset	780 \|\| p[1] == 'm' \|\| p[1] == 'M'
761687c6808f updated for version 7.4.360 Bram Moolenaar <bram@vim.org> parents: 5901 diff changeset	781 \|\| p[1] == 'v' \|\| p[1] == 'V' \|\| p[1] == 'Z'))
761687c6808f updated for version 7.4.360 Bram Moolenaar <bram@vim.org> parents: 5901 diff changeset	782 {
761687c6808f updated for version 7.4.360 Bram Moolenaar <bram@vim.org> parents: 5901 diff changeset	783 if (p[1] == 'v')
761687c6808f updated for version 7.4.360 Bram Moolenaar <bram@vim.org> parents: 5901 diff changeset	784 is_magic_all = TRUE;
761687c6808f updated for version 7.4.360 Bram Moolenaar <bram@vim.org> parents: 5901 diff changeset	785 else if (p[1] == 'm' \|\| p[1] == 'M' \|\| p[1] == 'V')
761687c6808f updated for version 7.4.360 Bram Moolenaar <bram@vim.org> parents: 5901 diff changeset	786 is_magic_all = FALSE;
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	787 p += 2;
6041 761687c6808f updated for version 7.4.360 Bram Moolenaar <bram@vim.org> parents: 5901 diff changeset	788 }
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	789 if (p[0] == NUL
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	790 \|\| (p[0] == '\\'
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	791 && (p[1] == '\|' \|\| p[1] == '&' \|\| p[1] == ')'
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	792 \|\| p[1] == 'n'))
6041 761687c6808f updated for version 7.4.360 Bram Moolenaar <bram@vim.org> parents: 5901 diff changeset	793 \|\| (is_magic_all
761687c6808f updated for version 7.4.360 Bram Moolenaar <bram@vim.org> parents: 5901 diff changeset	794 && (p[0] == '\|' \|\| p[0] == '&' \|\| p[0] == ')'))
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	795 \|\| reg_magic == MAGIC_ALL)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	796 curchr = Magic('$');
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	797 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	798 break;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	799 case '\\':
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	800 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	801 int c = regparse[1];
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	802
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	803 if (c == NUL)
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	804 curchr = '\\'; // trailing '\'
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	805 else if (
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	806 #ifdef EBCDIC
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	807 vim_strchr(META, c)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	808 #else
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	809 c <= '~' && META_flags[c]
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	810 #endif
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	811 )
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	812 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	813 /*
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	814 * META contains everything that may be magic sometimes,
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	815 * except ^ and $ ("\^" and "\$" are only magic after
6830 70fdcdaf96a6 patch 7.4.736 Bram Moolenaar <bram@vim.org> parents: 6785 diff changeset	816 * "\V"). We now fetch the next character and toggle its
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	817 * magicness. Therefore, \ is so meta-magic that it is
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	818 * not in META.
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	819 */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	820 curchr = -1;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	821 prev_at_start = at_start;
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	822 at_start = FALSE; // be able to say "/\*ptr"
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	823 ++regparse;
167 c93c9cad9618 updated for version 7.0051 vimboss parents: 153 diff changeset	824 ++after_slash;
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	825 peekchr();
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	826 --regparse;
167 c93c9cad9618 updated for version 7.0051 vimboss parents: 153 diff changeset	827 --after_slash;
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	828 curchr = toggle_Magic(curchr);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	829 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	830 else if (vim_strchr(REGEXP_ABBR, c))
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	831 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	832 /*
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	833 * Handle abbreviations, like "\t" for TAB -- webb
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	834 */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	835 curchr = backslash_trans(c);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	836 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	837 else if (reg_magic == MAGIC_NONE && (c == '$' \|\| c == '^'))
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	838 curchr = toggle_Magic(c);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	839 else
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	840 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	841 /*
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	842 * Next character can never be (made) magic?
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	843 * Then backslashing it won't do anything.
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	844 */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	845 if (has_mbyte)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	846 curchr = (*mb_ptr2char)(regparse + 1);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	847 else
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	848 curchr = c;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	849 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	850 break;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	851 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	852
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	853 default:
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	854 if (has_mbyte)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	855 curchr = (*mb_ptr2char)(regparse);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	856 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	857 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	858
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	859 return curchr;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	860 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	861
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	862 /*
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	863 * Eat one lexed character. Do this in a way that we can undo it.
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	864 */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	865 static void
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7807 diff changeset	866 skipchr(void)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	867 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	868 // peekchr() eats a backslash, do the same here
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	869 if (*regparse == '\\')
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	870 prevchr_len = 1;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	871 else
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	872 prevchr_len = 0;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	873 if (regparse[prevchr_len] != NUL)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	874 {
714 0f9f4761ad9c updated for version 7.0216 vimboss parents: 692 diff changeset	875 if (enc_utf8)
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	876 // exclude composing chars that mb_ptr2len does include
1449 799c1db62b42 updated for version 7.1-164 vimboss parents: 1347 diff changeset	877 prevchr_len += utf_ptr2len(regparse + prevchr_len);
714 0f9f4761ad9c updated for version 7.0216 vimboss parents: 692 diff changeset	878 else if (has_mbyte)
474 a5fcf36ef512 updated for version 7.0127 vimboss parents: 418 diff changeset	879 prevchr_len += (*mb_ptr2len)(regparse + prevchr_len);
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	880 else
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	881 ++prevchr_len;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	882 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	883 regparse += prevchr_len;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	884 prev_at_start = at_start;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	885 at_start = FALSE;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	886 prevprevchr = prevchr;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	887 prevchr = curchr;
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	888 curchr = nextchr; // use previously unget char, or -1
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	889 nextchr = -1;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	890 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	891
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	892 /*
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	893 * Skip a character while keeping the value of prev_at_start for at_start.
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	894 * prevchr and prevprevchr are also kept.
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	895 */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	896 static void
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7807 diff changeset	897 skipchr_keepstart(void)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	898 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	899 int as = prev_at_start;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	900 int pr = prevchr;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	901 int prpr = prevprevchr;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	902
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	903 skipchr();
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	904 at_start = as;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	905 prevchr = pr;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	906 prevprevchr = prpr;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	907 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	908
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: 4244 diff changeset	909 /*
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: 4244 diff changeset	910 * Get the next character from the pattern. We know about magic and such, so
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: 4244 diff changeset	911 * therefore we need a lexical analyzer.
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: 4244 diff changeset	912 */
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	913 static int
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7807 diff changeset	914 getchr(void)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	915 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	916 int chr = peekchr();
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	917
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	918 skipchr();
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	919 return chr;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	920 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	921
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	922 /*
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	923 * put character back. Works only once!
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	924 */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	925 static void
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7807 diff changeset	926 ungetchr(void)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	927 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	928 nextchr = curchr;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	929 curchr = prevchr;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	930 prevchr = prevprevchr;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	931 at_start = prev_at_start;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	932 prev_at_start = FALSE;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	933
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	934 // Backup regparse, so that it's at the same position as before the
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	935 // getchr().
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	936 regparse -= prevchr_len;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	937 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	938
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	939 /*
29 ac33b7c03fac updated for version 7.0018 vimboss parents: 24 diff changeset	940 * Get and return the value of the hex string at the current position.
ac33b7c03fac updated for version 7.0018 vimboss parents: 24 diff changeset	941 * Return -1 if there is no valid hex number.
ac33b7c03fac updated for version 7.0018 vimboss parents: 24 diff changeset	942 * The position is updated:
24 8ff7fd162d3c updated for version 7.0016 vimboss parents: 7 diff changeset	943 * blahblah\%x20asdf
856 8cd729851562 updated for version 7.0g vimboss parents: 840 diff changeset	944 * before-^ ^-after
24 8ff7fd162d3c updated for version 7.0016 vimboss parents: 7 diff changeset	945 * The parameter controls the maximum number of input characters. This will be
8ff7fd162d3c updated for version 7.0016 vimboss parents: 7 diff changeset	946 * 2 when reading a \%x20 sequence and 4 when reading a \%u20AC sequence.
8ff7fd162d3c updated for version 7.0016 vimboss parents: 7 diff changeset	947 */
12752 09c856605191 patch 8.0.1254: undefined left shift in gethexchrs() Christian Brabandt <cb@256bit.org> parents: 12674 diff changeset	948 static long
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7807 diff changeset	949 gethexchrs(int maxinputlen)
24 8ff7fd162d3c updated for version 7.0016 vimboss parents: 7 diff changeset	950 {
12752 09c856605191 patch 8.0.1254: undefined left shift in gethexchrs() Christian Brabandt <cb@256bit.org> parents: 12674 diff changeset	951 long_u nr = 0;
24 8ff7fd162d3c updated for version 7.0016 vimboss parents: 7 diff changeset	952 int c;
8ff7fd162d3c updated for version 7.0016 vimboss parents: 7 diff changeset	953 int i;
8ff7fd162d3c updated for version 7.0016 vimboss parents: 7 diff changeset	954
8ff7fd162d3c updated for version 7.0016 vimboss parents: 7 diff changeset	955 for (i = 0; i < maxinputlen; ++i)
8ff7fd162d3c updated for version 7.0016 vimboss parents: 7 diff changeset	956 {
8ff7fd162d3c updated for version 7.0016 vimboss parents: 7 diff changeset	957 c = regparse[0];
8ff7fd162d3c updated for version 7.0016 vimboss parents: 7 diff changeset	958 if (!vim_isxdigit(c))
8ff7fd162d3c updated for version 7.0016 vimboss parents: 7 diff changeset	959 break;
8ff7fd162d3c updated for version 7.0016 vimboss parents: 7 diff changeset	960 nr <<= 4;
8ff7fd162d3c updated for version 7.0016 vimboss parents: 7 diff changeset	961 nr \|= hex2nr(c);
8ff7fd162d3c updated for version 7.0016 vimboss parents: 7 diff changeset	962 ++regparse;
8ff7fd162d3c updated for version 7.0016 vimboss parents: 7 diff changeset	963 }
8ff7fd162d3c updated for version 7.0016 vimboss parents: 7 diff changeset	964
8ff7fd162d3c updated for version 7.0016 vimboss parents: 7 diff changeset	965 if (i == 0)
8ff7fd162d3c updated for version 7.0016 vimboss parents: 7 diff changeset	966 return -1;
12752 09c856605191 patch 8.0.1254: undefined left shift in gethexchrs() Christian Brabandt <cb@256bit.org> parents: 12674 diff changeset	967 return (long)nr;
24 8ff7fd162d3c updated for version 7.0016 vimboss parents: 7 diff changeset	968 }
8ff7fd162d3c updated for version 7.0016 vimboss parents: 7 diff changeset	969
8ff7fd162d3c updated for version 7.0016 vimboss parents: 7 diff changeset	970 /*
4579 7a2be4a39423 updated for version 7.3.1037 Bram Moolenaar <bram@vim.org> parents: 4505 diff changeset	971 * Get and return the value of the decimal string immediately after the
24 8ff7fd162d3c updated for version 7.0016 vimboss parents: 7 diff changeset	972 * current position. Return -1 for invalid. Consumes all digits.
8ff7fd162d3c updated for version 7.0016 vimboss parents: 7 diff changeset	973 */
12752 09c856605191 patch 8.0.1254: undefined left shift in gethexchrs() Christian Brabandt <cb@256bit.org> parents: 12674 diff changeset	974 static long
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7807 diff changeset	975 getdecchrs(void)
24 8ff7fd162d3c updated for version 7.0016 vimboss parents: 7 diff changeset	976 {
12752 09c856605191 patch 8.0.1254: undefined left shift in gethexchrs() Christian Brabandt <cb@256bit.org> parents: 12674 diff changeset	977 long_u nr = 0;
24 8ff7fd162d3c updated for version 7.0016 vimboss parents: 7 diff changeset	978 int c;
8ff7fd162d3c updated for version 7.0016 vimboss parents: 7 diff changeset	979 int i;
8ff7fd162d3c updated for version 7.0016 vimboss parents: 7 diff changeset	980
8ff7fd162d3c updated for version 7.0016 vimboss parents: 7 diff changeset	981 for (i = 0; ; ++i)
8ff7fd162d3c updated for version 7.0016 vimboss parents: 7 diff changeset	982 {
8ff7fd162d3c updated for version 7.0016 vimboss parents: 7 diff changeset	983 c = regparse[0];
8ff7fd162d3c updated for version 7.0016 vimboss parents: 7 diff changeset	984 if (c < '0' \|\| c > '9')
8ff7fd162d3c updated for version 7.0016 vimboss parents: 7 diff changeset	985 break;
8ff7fd162d3c updated for version 7.0016 vimboss parents: 7 diff changeset	986 nr *= 10;
8ff7fd162d3c updated for version 7.0016 vimboss parents: 7 diff changeset	987 nr += c - '0';
8ff7fd162d3c updated for version 7.0016 vimboss parents: 7 diff changeset	988 ++regparse;
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	989 curchr = -1; // no longer valid
24 8ff7fd162d3c updated for version 7.0016 vimboss parents: 7 diff changeset	990 }
8ff7fd162d3c updated for version 7.0016 vimboss parents: 7 diff changeset	991
8ff7fd162d3c updated for version 7.0016 vimboss parents: 7 diff changeset	992 if (i == 0)
8ff7fd162d3c updated for version 7.0016 vimboss parents: 7 diff changeset	993 return -1;
12752 09c856605191 patch 8.0.1254: undefined left shift in gethexchrs() Christian Brabandt <cb@256bit.org> parents: 12674 diff changeset	994 return (long)nr;
24 8ff7fd162d3c updated for version 7.0016 vimboss parents: 7 diff changeset	995 }
8ff7fd162d3c updated for version 7.0016 vimboss parents: 7 diff changeset	996
8ff7fd162d3c updated for version 7.0016 vimboss parents: 7 diff changeset	997 /*
8ff7fd162d3c updated for version 7.0016 vimboss parents: 7 diff changeset	998 * get and return the value of the octal string immediately after the current
8ff7fd162d3c updated for version 7.0016 vimboss parents: 7 diff changeset	999 * position. Return -1 for invalid, or 0-255 for valid. Smart enough to handle
8ff7fd162d3c updated for version 7.0016 vimboss parents: 7 diff changeset	1000 * numbers > 377 correctly (for example, 400 is treated as 40) and doesn't
8ff7fd162d3c updated for version 7.0016 vimboss parents: 7 diff changeset	1001 * treat 8 or 9 as recognised characters. Position is updated:
8ff7fd162d3c updated for version 7.0016 vimboss parents: 7 diff changeset	1002 * blahblah\%o210asdf
856 8cd729851562 updated for version 7.0g vimboss parents: 840 diff changeset	1003 * before-^ ^-after
24 8ff7fd162d3c updated for version 7.0016 vimboss parents: 7 diff changeset	1004 */
12752 09c856605191 patch 8.0.1254: undefined left shift in gethexchrs() Christian Brabandt <cb@256bit.org> parents: 12674 diff changeset	1005 static long
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7807 diff changeset	1006 getoctchrs(void)
24 8ff7fd162d3c updated for version 7.0016 vimboss parents: 7 diff changeset	1007 {
12752 09c856605191 patch 8.0.1254: undefined left shift in gethexchrs() Christian Brabandt <cb@256bit.org> parents: 12674 diff changeset	1008 long_u nr = 0;
24 8ff7fd162d3c updated for version 7.0016 vimboss parents: 7 diff changeset	1009 int c;
8ff7fd162d3c updated for version 7.0016 vimboss parents: 7 diff changeset	1010 int i;
8ff7fd162d3c updated for version 7.0016 vimboss parents: 7 diff changeset	1011
8ff7fd162d3c updated for version 7.0016 vimboss parents: 7 diff changeset	1012 for (i = 0; i < 3 && nr < 040; ++i)
8ff7fd162d3c updated for version 7.0016 vimboss parents: 7 diff changeset	1013 {
8ff7fd162d3c updated for version 7.0016 vimboss parents: 7 diff changeset	1014 c = regparse[0];
8ff7fd162d3c updated for version 7.0016 vimboss parents: 7 diff changeset	1015 if (c < '0' \|\| c > '7')
8ff7fd162d3c updated for version 7.0016 vimboss parents: 7 diff changeset	1016 break;
8ff7fd162d3c updated for version 7.0016 vimboss parents: 7 diff changeset	1017 nr <<= 3;
8ff7fd162d3c updated for version 7.0016 vimboss parents: 7 diff changeset	1018 nr \|= hex2nr(c);
8ff7fd162d3c updated for version 7.0016 vimboss parents: 7 diff changeset	1019 ++regparse;
8ff7fd162d3c updated for version 7.0016 vimboss parents: 7 diff changeset	1020 }
8ff7fd162d3c updated for version 7.0016 vimboss parents: 7 diff changeset	1021
8ff7fd162d3c updated for version 7.0016 vimboss parents: 7 diff changeset	1022 if (i == 0)
8ff7fd162d3c updated for version 7.0016 vimboss parents: 7 diff changeset	1023 return -1;
12752 09c856605191 patch 8.0.1254: undefined left shift in gethexchrs() Christian Brabandt <cb@256bit.org> parents: 12674 diff changeset	1024 return (long)nr;
24 8ff7fd162d3c updated for version 7.0016 vimboss parents: 7 diff changeset	1025 }
8ff7fd162d3c updated for version 7.0016 vimboss parents: 7 diff changeset	1026
8ff7fd162d3c updated for version 7.0016 vimboss parents: 7 diff changeset	1027 /*
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1028 * read_limits - Read two integers to be taken as a minimum and maximum.
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1029 * If the first character is '-', then the range is reversed.
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1030 * Should end with 'end'. If minval is missing, zero is default, if maxval is
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1031 * missing, a very big number is the default.
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1032 */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1033 static int
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7807 diff changeset	1034 read_limits(long minval, long maxval)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1035 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1036 int reverse = FALSE;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1037 char_u *first_char;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1038 long tmp;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1039
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1040 if (*regparse == '-')
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1041 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	1042 // Starts with '-', so reverse the range later
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1043 regparse++;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1044 reverse = TRUE;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1045 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1046 first_char = regparse;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1047 *minval = getdigits(&regparse);
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	1048 if (*regparse == ',') // There is a comma
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1049 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1050 if (vim_isdigit(*++regparse))
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1051 *maxval = getdigits(&regparse);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1052 else
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1053 *maxval = MAX_LIMIT;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1054 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1055 else if (VIM_ISDIGIT(*first_char))
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	1056 maxval = minval; // It was \{n} or \{-n}
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1057 else
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	1058 *maxval = MAX_LIMIT; // It was \{} or \{-}
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1059 if (*regparse == '\\')
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	1060 regparse++; // Allow either \{...} or \{...\}
167 c93c9cad9618 updated for version 7.0051 vimboss parents: 153 diff changeset	1061 if (*regparse != '}')
15480 bd12ace1bab2 patch 8.1.0748: using sprintf() instead of semsg() Bram Moolenaar <Bram@vim.org> parents: 15470 diff changeset	1062 EMSG2_RET_FAIL(_("E554: Syntax error in %s{...}"),
bd12ace1bab2 patch 8.1.0748: using sprintf() instead of semsg() Bram Moolenaar <Bram@vim.org> parents: 15470 diff changeset	1063 reg_magic == MAGIC_ALL);
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1064
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1065 /*
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1066 * Reverse the range if there was a '-', or make sure it is in the right
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1067 * order otherwise.
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1068 */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1069 if ((!reverse && minval > maxval) \|\| (reverse && minval < maxval))
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1070 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1071 tmp = *minval;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1072 minval = maxval;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1073 *maxval = tmp;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1074 }
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	1075 skipchr(); // let's be friends with the lexer again
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1076 return OK;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1077 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1078
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1079 /*
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1080 * vim_regexec and friends
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1081 */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1082
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1083 /*
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1084 * Global work variables for vim_regexec().
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1085 */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1086
7805 0b6c37dd858d commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077 Christian Brabandt <cb@256bit.org> parents: 7009 diff changeset	1087 static void cleanup_subexpr(void);
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1088 #ifdef FEAT_SYN_HL
7805 0b6c37dd858d commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077 Christian Brabandt <cb@256bit.org> parents: 7009 diff changeset	1089 static void cleanup_zsubexpr(void);
0b6c37dd858d commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077 Christian Brabandt <cb@256bit.org> parents: 7009 diff changeset	1090 #endif
0b6c37dd858d commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077 Christian Brabandt <cb@256bit.org> parents: 7009 diff changeset	1091 static void reg_nextline(void);
0b6c37dd858d commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077 Christian Brabandt <cb@256bit.org> parents: 7009 diff changeset	1092 static int match_with_backref(linenr_T start_lnum, colnr_T start_col, linenr_T end_lnum, colnr_T end_col, int *bytelen);
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1093
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1094 /*
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1095 * Sometimes need to save a copy of a line. Since alloc()/free() is very
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1096 * slow, we keep one allocated piece of memory and only re-allocate it when
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: 4244 diff changeset	1097 * it's too small. It's freed in bt_regexec_both() when finished.
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1098 */
1468 200b706675a5 updated for version 7.1-183 vimboss parents: 1458 diff changeset	1099 static char_u *reg_tofree = NULL;
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1100 static unsigned reg_tofreelen;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1101
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1102 /*
10245 d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10187 diff changeset	1103 * Structure used to store the execution state of the regex engine.
1209 070f2ac50cf8 updated for version 7.1b vimboss parents: 1148 diff changeset	1104 * Which ones are set depends on whether a single-line or multi-line match is
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1105 * done:
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1106 * single-line multi-line
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1107 * reg_match &regmatch_T NULL
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1108 * reg_mmatch NULL &regmmatch_T
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1109 * reg_startp reg_match->startp <invalid>
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1110 * reg_endp reg_match->endp <invalid>
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1111 * reg_startpos <invalid> reg_mmatch->startpos
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1112 * reg_endpos <invalid> reg_mmatch->endpos
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1113 * reg_win NULL window in which to search
4061 be4baed0c933 updated for version 7.3.785 Bram Moolenaar <bram@vim.org> parents: 4043 diff changeset	1114 * reg_buf curbuf buffer in which to search
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1115 * reg_firstlnum <invalid> first line in which to search
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1116 * reg_maxline 0 last line nr
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1117 * reg_line_lbr FALSE or TRUE FALSE
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1118 */
10245 d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10187 diff changeset	1119 typedef struct {
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10187 diff changeset	1120 regmatch_T *reg_match;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10187 diff changeset	1121 regmmatch_T *reg_mmatch;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10187 diff changeset	1122 char_u **reg_startp;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10187 diff changeset	1123 char_u **reg_endp;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10187 diff changeset	1124 lpos_T *reg_startpos;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10187 diff changeset	1125 lpos_T *reg_endpos;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10187 diff changeset	1126 win_T *reg_win;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10187 diff changeset	1127 buf_T *reg_buf;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10187 diff changeset	1128 linenr_T reg_firstlnum;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10187 diff changeset	1129 linenr_T reg_maxline;
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	1130 int reg_line_lbr; // "\n" in string is line break
10245 d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10187 diff changeset	1131
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14169 diff changeset	1132 // The current match-position is stord in these variables:
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14169 diff changeset	1133 linenr_T lnum; // line number, relative to first line
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14169 diff changeset	1134 char_u *line; // start of current line
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14169 diff changeset	1135 char_u *input; // current input, points into "regline"
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14169 diff changeset	1136
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14169 diff changeset	1137 int need_clear_subexpr; // subexpressions still need to be cleared
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14169 diff changeset	1138 #ifdef FEAT_SYN_HL
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14169 diff changeset	1139 int need_clear_zsubexpr; // extmatch subexpressions still need to be
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14169 diff changeset	1140 // cleared
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14169 diff changeset	1141 #endif
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14169 diff changeset	1142
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	1143 // Internal copy of 'ignorecase'. It is set at each call to vim_regexec().
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	1144 // Normally it gets the value of "rm_ic" or "rmm_ic", but when the pattern
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	1145 // contains '\c' or '\C' the value is overruled.
10245 d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10187 diff changeset	1146 int reg_ic;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10187 diff changeset	1147
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	1148 // Similar to "reg_ic", but only for 'combining' characters. Set with \Z
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	1149 // flag in the regexp. Defaults to false, always.
10245 d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10187 diff changeset	1150 int reg_icombine;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10187 diff changeset	1151
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	1152 // Copy of "rmm_maxcol": maximum column to search for a match. Zero when
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	1153 // there is no maximum.
10245 d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10187 diff changeset	1154 colnr_T reg_maxcol;
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14169 diff changeset	1155
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14169 diff changeset	1156 // State for the NFA engine regexec.
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14169 diff changeset	1157 int nfa_has_zend; // NFA regexp \ze operator encountered.
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14169 diff changeset	1158 int nfa_has_backref; // NFA regexp \1 .. \9 encountered.
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14169 diff changeset	1159 int nfa_nsubexpr; // Number of sub expressions actually being used
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14169 diff changeset	1160 // during execution. 1 if only the whole match
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14169 diff changeset	1161 // (subexpr 0) is used.
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14169 diff changeset	1162 // listid is global, so that it increases on recursive calls to
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14169 diff changeset	1163 // nfa_regmatch(), which means we don't have to clear the lastlist field of
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14169 diff changeset	1164 // all the states.
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14169 diff changeset	1165 int nfa_listid;
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14169 diff changeset	1166 int nfa_alt_listid;
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14169 diff changeset	1167
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14169 diff changeset	1168 #ifdef FEAT_SYN_HL
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14169 diff changeset	1169 int nfa_has_zsubexpr; // NFA regexp has \z( ), set zsubexpr.
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14169 diff changeset	1170 #endif
10245 d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10187 diff changeset	1171 } regexec_T;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10187 diff changeset	1172
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10187 diff changeset	1173 static regexec_T rex;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10187 diff changeset	1174 static int rex_in_use = FALSE;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10187 diff changeset	1175
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1176 /*
15709 2e2f07561f4b patch 8.1.0862: no verbose version of character classes Bram Moolenaar <Bram@vim.org> parents: 15603 diff changeset	1177 * Return TRUE if character 'c' is included in 'iskeyword' option for
2e2f07561f4b patch 8.1.0862: no verbose version of character classes Bram Moolenaar <Bram@vim.org> parents: 15603 diff changeset	1178 * "reg_buf" buffer.
2e2f07561f4b patch 8.1.0862: no verbose version of character classes Bram Moolenaar <Bram@vim.org> parents: 15603 diff changeset	1179 */
2e2f07561f4b patch 8.1.0862: no verbose version of character classes Bram Moolenaar <Bram@vim.org> parents: 15603 diff changeset	1180 static int
2e2f07561f4b patch 8.1.0862: no verbose version of character classes Bram Moolenaar <Bram@vim.org> parents: 15603 diff changeset	1181 reg_iswordc(int c)
2e2f07561f4b patch 8.1.0862: no verbose version of character classes Bram Moolenaar <Bram@vim.org> parents: 15603 diff changeset	1182 {
2e2f07561f4b patch 8.1.0862: no verbose version of character classes Bram Moolenaar <Bram@vim.org> parents: 15603 diff changeset	1183 return vim_iswordc_buf(c, rex.reg_buf);
2e2f07561f4b patch 8.1.0862: no verbose version of character classes Bram Moolenaar <Bram@vim.org> parents: 15603 diff changeset	1184 }
2e2f07561f4b patch 8.1.0862: no verbose version of character classes Bram Moolenaar <Bram@vim.org> parents: 15603 diff changeset	1185
2e2f07561f4b patch 8.1.0862: no verbose version of character classes Bram Moolenaar <Bram@vim.org> parents: 15603 diff changeset	1186 /*
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1187 * Get pointer to the line "lnum", which is relative to "reg_firstlnum".
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1188 */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1189 static char_u *
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7807 diff changeset	1190 reg_getline(linenr_T lnum)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1191 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	1192 // when looking behind for a match/no-match lnum is negative. But we
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	1193 // can't go before line 1
10245 d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10187 diff changeset	1194 if (rex.reg_firstlnum + lnum < 1)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1195 return NULL;
10245 d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10187 diff changeset	1196 if (lnum > rex.reg_maxline)
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	1197 // Must have matched the "\n" in the last line.
481 66080ac5dab7 updated for version 7.0130 vimboss parents: 474 diff changeset	1198 return (char_u *)"";
10245 d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10187 diff changeset	1199 return ml_get_buf(rex.reg_buf, rex.reg_firstlnum + lnum, FALSE);
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1200 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1201
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1202 #ifdef FEAT_SYN_HL
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	1203 static char_u *reg_startzp[NSUBEXP]; // Workspace to mark beginning
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	1204 static char_u *reg_endzp[NSUBEXP]; // and end of \z(...\) matches
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	1205 static lpos_T reg_startzpos[NSUBEXP]; // idem, beginning pos
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	1206 static lpos_T reg_endzpos[NSUBEXP]; // idem, end pos
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1207 #endif
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1208
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	1209 // TRUE if using multi-line regexp.
10245 d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10187 diff changeset	1210 #define REG_MULTI (rex.reg_match == NULL)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: 4244 diff changeset	1211
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1212 #ifdef FEAT_SYN_HL
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1213 /*
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1214 * Create a new extmatch and mark it as referenced once.
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1215 */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1216 static reg_extmatch_T *
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7807 diff changeset	1217 make_extmatch(void)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1218 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1219 reg_extmatch_T *em;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1220
16825 ce04ebdf26b8 patch 8.1.1414: alloc() returning "char_u " causes a lot of type casts Bram Moolenaar <Bram@vim.org>* parents: 16768 diff changeset	1221 em = ALLOC_CLEAR_ONE(reg_extmatch_T);
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1222 if (em != NULL)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1223 em->refcnt = 1;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1224 return em;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1225 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1226
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1227 /*
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1228 * Add a reference to an extmatch.
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1229 */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1230 reg_extmatch_T *
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7807 diff changeset	1231 ref_extmatch(reg_extmatch_T *em)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1232 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1233 if (em != NULL)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1234 em->refcnt++;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1235 return em;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1236 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1237
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1238 /*
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1239 * Remove a reference to an extmatch. If there are no references left, free
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1240 * the info.
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1241 */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1242 void
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7807 diff changeset	1243 unref_extmatch(reg_extmatch_T *em)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1244 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1245 int i;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1246
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1247 if (em != NULL && --em->refcnt <= 0)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1248 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1249 for (i = 0; i < NSUBEXP; ++i)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1250 vim_free(em->matches[i]);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1251 vim_free(em);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1252 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1253 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1254 #endif
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1255
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1256 /*
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1257 * Get class of previous character.
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1258 */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1259 static int
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7807 diff changeset	1260 reg_prev_class(void)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1261 {
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14169 diff changeset	1262 if (rex.input > rex.line)
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14169 diff changeset	1263 return mb_get_class_buf(rex.input - 1
15603 639b8318472c patch 8.1.0809: too many #ifdefs Bram Moolenaar <Bram@vim.org> parents: 15555 diff changeset	1264 - (*mb_head_off)(rex.line, rex.input - 1), rex.reg_buf);
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1265 return -1;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1266 }
5735 50dbef5e774a updated for version 7.4.212 Bram Moolenaar <bram@vim.org> parents: 5504 diff changeset	1267
4730 749e2b2755d5 updated for version 7.3.1112 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	1268 /*
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14169 diff changeset	1269 * Return TRUE if the current rex.input position matches the Visual area.
4730 749e2b2755d5 updated for version 7.3.1112 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	1270 */
749e2b2755d5 updated for version 7.3.1112 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	1271 static int
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7807 diff changeset	1272 reg_match_visual(void)
4730 749e2b2755d5 updated for version 7.3.1112 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	1273 {
749e2b2755d5 updated for version 7.3.1112 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	1274 pos_T top, bot;
749e2b2755d5 updated for version 7.3.1112 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	1275 linenr_T lnum;
749e2b2755d5 updated for version 7.3.1112 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	1276 colnr_T col;
10245 d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10187 diff changeset	1277 win_T *wp = rex.reg_win == NULL ? curwin : rex.reg_win;
4730 749e2b2755d5 updated for version 7.3.1112 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	1278 int mode;
749e2b2755d5 updated for version 7.3.1112 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	1279 colnr_T start, end;
749e2b2755d5 updated for version 7.3.1112 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	1280 colnr_T start2, end2;
749e2b2755d5 updated for version 7.3.1112 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	1281 colnr_T cols;
749e2b2755d5 updated for version 7.3.1112 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	1282
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	1283 // Check if the buffer is the current buffer.
10245 d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10187 diff changeset	1284 if (rex.reg_buf != curbuf \|\| VIsual.lnum == 0)
4730 749e2b2755d5 updated for version 7.3.1112 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	1285 return FALSE;
749e2b2755d5 updated for version 7.3.1112 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	1286
749e2b2755d5 updated for version 7.3.1112 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	1287 if (VIsual_active)
749e2b2755d5 updated for version 7.3.1112 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	1288 {
11121 778c10516955 patch 8.0.0448: some macros are in lower case Christian Brabandt <cb@256bit.org> parents: 10359 diff changeset	1289 if (LT_POS(VIsual, wp->w_cursor))
4730 749e2b2755d5 updated for version 7.3.1112 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	1290 {
749e2b2755d5 updated for version 7.3.1112 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	1291 top = VIsual;
749e2b2755d5 updated for version 7.3.1112 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	1292 bot = wp->w_cursor;
749e2b2755d5 updated for version 7.3.1112 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	1293 }
749e2b2755d5 updated for version 7.3.1112 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	1294 else
749e2b2755d5 updated for version 7.3.1112 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	1295 {
749e2b2755d5 updated for version 7.3.1112 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	1296 top = wp->w_cursor;
749e2b2755d5 updated for version 7.3.1112 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	1297 bot = VIsual;
749e2b2755d5 updated for version 7.3.1112 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	1298 }
749e2b2755d5 updated for version 7.3.1112 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	1299 mode = VIsual_mode;
749e2b2755d5 updated for version 7.3.1112 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	1300 }
749e2b2755d5 updated for version 7.3.1112 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	1301 else
749e2b2755d5 updated for version 7.3.1112 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	1302 {
11121 778c10516955 patch 8.0.0448: some macros are in lower case Christian Brabandt <cb@256bit.org> parents: 10359 diff changeset	1303 if (LT_POS(curbuf->b_visual.vi_start, curbuf->b_visual.vi_end))
4730 749e2b2755d5 updated for version 7.3.1112 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	1304 {
749e2b2755d5 updated for version 7.3.1112 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	1305 top = curbuf->b_visual.vi_start;
749e2b2755d5 updated for version 7.3.1112 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	1306 bot = curbuf->b_visual.vi_end;
749e2b2755d5 updated for version 7.3.1112 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	1307 }
749e2b2755d5 updated for version 7.3.1112 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	1308 else
749e2b2755d5 updated for version 7.3.1112 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	1309 {
749e2b2755d5 updated for version 7.3.1112 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	1310 top = curbuf->b_visual.vi_end;
749e2b2755d5 updated for version 7.3.1112 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	1311 bot = curbuf->b_visual.vi_start;
749e2b2755d5 updated for version 7.3.1112 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	1312 }
749e2b2755d5 updated for version 7.3.1112 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	1313 mode = curbuf->b_visual.vi_mode;
749e2b2755d5 updated for version 7.3.1112 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	1314 }
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14169 diff changeset	1315 lnum = rex.lnum + rex.reg_firstlnum;
4730 749e2b2755d5 updated for version 7.3.1112 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	1316 if (lnum < top.lnum \|\| lnum > bot.lnum)
749e2b2755d5 updated for version 7.3.1112 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	1317 return FALSE;
749e2b2755d5 updated for version 7.3.1112 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	1318
749e2b2755d5 updated for version 7.3.1112 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	1319 if (mode == 'v')
749e2b2755d5 updated for version 7.3.1112 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	1320 {
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14169 diff changeset	1321 col = (colnr_T)(rex.input - rex.line);
4730 749e2b2755d5 updated for version 7.3.1112 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	1322 if ((lnum == top.lnum && col < top.col)
749e2b2755d5 updated for version 7.3.1112 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	1323 \|\| (lnum == bot.lnum && col >= bot.col + (*p_sel != 'e')))
749e2b2755d5 updated for version 7.3.1112 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	1324 return FALSE;
749e2b2755d5 updated for version 7.3.1112 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	1325 }
749e2b2755d5 updated for version 7.3.1112 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	1326 else if (mode == Ctrl_V)
749e2b2755d5 updated for version 7.3.1112 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	1327 {
749e2b2755d5 updated for version 7.3.1112 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	1328 getvvcol(wp, &top, &start, NULL, &end);
749e2b2755d5 updated for version 7.3.1112 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	1329 getvvcol(wp, &bot, &start2, NULL, &end2);
749e2b2755d5 updated for version 7.3.1112 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	1330 if (start2 < start)
749e2b2755d5 updated for version 7.3.1112 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	1331 start = start2;
749e2b2755d5 updated for version 7.3.1112 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	1332 if (end2 > end)
749e2b2755d5 updated for version 7.3.1112 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	1333 end = end2;
749e2b2755d5 updated for version 7.3.1112 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	1334 if (top.col == MAXCOL \|\| bot.col == MAXCOL)
749e2b2755d5 updated for version 7.3.1112 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	1335 end = MAXCOL;
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14169 diff changeset	1336 cols = win_linetabsize(wp, rex.line, (colnr_T)(rex.input - rex.line));
4730 749e2b2755d5 updated for version 7.3.1112 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	1337 if (cols < start \|\| cols > end - (*p_sel == 'e'))
749e2b2755d5 updated for version 7.3.1112 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	1338 return FALSE;
749e2b2755d5 updated for version 7.3.1112 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	1339 }
749e2b2755d5 updated for version 7.3.1112 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	1340 return TRUE;
749e2b2755d5 updated for version 7.3.1112 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	1341 }
749e2b2755d5 updated for version 7.3.1112 Bram Moolenaar <bram@vim.org> parents: 4720 diff changeset	1342
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1343 /*
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1344 * Check the regexp program for its magic number.
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1345 * Return TRUE if it's wrong.
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1346 */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1347 static int
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7807 diff changeset	1348 prog_magic_wrong(void)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1349 {
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: 4244 diff changeset	1350 regprog_T *prog;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: 4244 diff changeset	1351
10245 d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10187 diff changeset	1352 prog = REG_MULTI ? rex.reg_mmatch->regprog : rex.reg_match->regprog;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: 4244 diff changeset	1353 if (prog->engine == &nfa_regengine)
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	1354 // For NFA matcher we don't check the magic
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: 4244 diff changeset	1355 return FALSE;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: 4244 diff changeset	1356
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: 4244 diff changeset	1357 if (UCHARAT(((bt_regprog_T *)prog)->program) != REGMAGIC)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1358 {
15470 55ccc2d353bd patch 8.1.0743: giving error messages is not flexible Bram Moolenaar <Bram@vim.org> parents: 15339 diff changeset	1359 emsg(_(e_re_corr));
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1360 return TRUE;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1361 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1362 return FALSE;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1363 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1364
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1365 /*
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1366 * Cleanup the subexpressions, if this wasn't done yet.
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1367 * This construction is used to clear the subexpressions only when they are
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1368 * used (to increase speed).
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1369 */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1370 static void
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7807 diff changeset	1371 cleanup_subexpr(void)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1372 {
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14169 diff changeset	1373 if (rex.need_clear_subexpr)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1374 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1375 if (REG_MULTI)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1376 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	1377 // Use 0xff to set lnum to -1
10245 d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10187 diff changeset	1378 vim_memset(rex.reg_startpos, 0xff, sizeof(lpos_T) * NSUBEXP);
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10187 diff changeset	1379 vim_memset(rex.reg_endpos, 0xff, sizeof(lpos_T) * NSUBEXP);
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1380 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1381 else
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1382 {
10245 d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10187 diff changeset	1383 vim_memset(rex.reg_startp, 0, sizeof(char_u ) NSUBEXP);
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10187 diff changeset	1384 vim_memset(rex.reg_endp, 0, sizeof(char_u ) NSUBEXP);
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1385 }
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14169 diff changeset	1386 rex.need_clear_subexpr = FALSE;
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1387 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1388 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1389
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1390 #ifdef FEAT_SYN_HL
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1391 static void
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7807 diff changeset	1392 cleanup_zsubexpr(void)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1393 {
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14169 diff changeset	1394 if (rex.need_clear_zsubexpr)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1395 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1396 if (REG_MULTI)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1397 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	1398 // Use 0xff to set lnum to -1
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1399 vim_memset(reg_startzpos, 0xff, sizeof(lpos_T) * NSUBEXP);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1400 vim_memset(reg_endzpos, 0xff, sizeof(lpos_T) * NSUBEXP);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1401 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1402 else
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1403 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1404 vim_memset(reg_startzp, 0, sizeof(char_u ) NSUBEXP);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1405 vim_memset(reg_endzp, 0, sizeof(char_u ) NSUBEXP);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1406 }
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14169 diff changeset	1407 rex.need_clear_zsubexpr = FALSE;
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1408 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1409 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1410 #endif
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1411
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1412 /*
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14169 diff changeset	1413 * Advance rex.lnum, rex.line and rex.input to the next line.
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1414 */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1415 static void
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7807 diff changeset	1416 reg_nextline(void)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1417 {
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14169 diff changeset	1418 rex.line = reg_getline(++rex.lnum);
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14169 diff changeset	1419 rex.input = rex.line;
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1420 fast_breakcheck();
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1421 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1422
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1423 /*
4891 4c42efb4c098 updated for version 7.3.1191 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	1424 * Check whether a backreference matches.
4c42efb4c098 updated for version 7.3.1191 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	1425 * Returns RA_FAIL, RA_NOMATCH or RA_MATCH.
5504 ec5d11403c19 updated for version 7.4.101 Bram Moolenaar <bram@vim.org> parents: 5353 diff changeset	1426 * If "bytelen" is not NULL, it is set to the byte length of the match in the
ec5d11403c19 updated for version 7.4.101 Bram Moolenaar <bram@vim.org> parents: 5353 diff changeset	1427 * last line.
4891 4c42efb4c098 updated for version 7.3.1191 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	1428 */
4c42efb4c098 updated for version 7.3.1191 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	1429 static int
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7807 diff changeset	1430 match_with_backref(
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7807 diff changeset	1431 linenr_T start_lnum,
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7807 diff changeset	1432 colnr_T start_col,
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7807 diff changeset	1433 linenr_T end_lnum,
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7807 diff changeset	1434 colnr_T end_col,
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7807 diff changeset	1435 int *bytelen)
4891 4c42efb4c098 updated for version 7.3.1191 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	1436 {
4c42efb4c098 updated for version 7.3.1191 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	1437 linenr_T clnum = start_lnum;
4c42efb4c098 updated for version 7.3.1191 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	1438 colnr_T ccol = start_col;
4c42efb4c098 updated for version 7.3.1191 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	1439 int len;
4c42efb4c098 updated for version 7.3.1191 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	1440 char_u *p;
4c42efb4c098 updated for version 7.3.1191 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	1441
4c42efb4c098 updated for version 7.3.1191 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	1442 if (bytelen != NULL)
4c42efb4c098 updated for version 7.3.1191 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	1443 *bytelen = 0;
4c42efb4c098 updated for version 7.3.1191 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	1444 for (;;)
4c42efb4c098 updated for version 7.3.1191 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	1445 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	1446 // Since getting one line may invalidate the other, need to make copy.
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	1447 // Slow!
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14169 diff changeset	1448 if (rex.line != reg_tofree)
4891 4c42efb4c098 updated for version 7.3.1191 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	1449 {
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14169 diff changeset	1450 len = (int)STRLEN(rex.line);
4891 4c42efb4c098 updated for version 7.3.1191 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	1451 if (reg_tofree == NULL \|\| len >= (int)reg_tofreelen)
4c42efb4c098 updated for version 7.3.1191 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	1452 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	1453 len += 50; // get some extra
4891 4c42efb4c098 updated for version 7.3.1191 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	1454 vim_free(reg_tofree);
4c42efb4c098 updated for version 7.3.1191 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	1455 reg_tofree = alloc(len);
4c42efb4c098 updated for version 7.3.1191 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	1456 if (reg_tofree == NULL)
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	1457 return RA_FAIL; // out of memory!
4891 4c42efb4c098 updated for version 7.3.1191 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	1458 reg_tofreelen = len;
4c42efb4c098 updated for version 7.3.1191 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	1459 }
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14169 diff changeset	1460 STRCPY(reg_tofree, rex.line);
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14169 diff changeset	1461 rex.input = reg_tofree + (rex.input - rex.line);
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14169 diff changeset	1462 rex.line = reg_tofree;
4891 4c42efb4c098 updated for version 7.3.1191 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	1463 }
4c42efb4c098 updated for version 7.3.1191 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	1464
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	1465 // Get the line to compare with.
4891 4c42efb4c098 updated for version 7.3.1191 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	1466 p = reg_getline(clnum);
4c42efb4c098 updated for version 7.3.1191 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	1467 if (clnum == end_lnum)
4c42efb4c098 updated for version 7.3.1191 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	1468 len = end_col - ccol;
4c42efb4c098 updated for version 7.3.1191 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	1469 else
4c42efb4c098 updated for version 7.3.1191 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	1470 len = (int)STRLEN(p + ccol);
4c42efb4c098 updated for version 7.3.1191 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	1471
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14169 diff changeset	1472 if (cstrncmp(p + ccol, rex.input, &len) != 0)
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	1473 return RA_NOMATCH; // doesn't match
4891 4c42efb4c098 updated for version 7.3.1191 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	1474 if (bytelen != NULL)
4c42efb4c098 updated for version 7.3.1191 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	1475 *bytelen += len;
4c42efb4c098 updated for version 7.3.1191 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	1476 if (clnum == end_lnum)
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	1477 break; // match and at end!
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14169 diff changeset	1478 if (rex.lnum >= rex.reg_maxline)
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	1479 return RA_NOMATCH; // text too short
4891 4c42efb4c098 updated for version 7.3.1191 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	1480
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	1481 // Advance to next line.
4891 4c42efb4c098 updated for version 7.3.1191 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	1482 reg_nextline();
5504 ec5d11403c19 updated for version 7.4.101 Bram Moolenaar <bram@vim.org> parents: 5353 diff changeset	1483 if (bytelen != NULL)
ec5d11403c19 updated for version 7.4.101 Bram Moolenaar <bram@vim.org> parents: 5353 diff changeset	1484 *bytelen = 0;
4891 4c42efb4c098 updated for version 7.3.1191 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	1485 ++clnum;
4c42efb4c098 updated for version 7.3.1191 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	1486 ccol = 0;
4c42efb4c098 updated for version 7.3.1191 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	1487 if (got_int)
4c42efb4c098 updated for version 7.3.1191 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	1488 return RA_FAIL;
4c42efb4c098 updated for version 7.3.1191 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	1489 }
4c42efb4c098 updated for version 7.3.1191 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	1490
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	1491 // found a match! Note that rex.line may now point to a copy of the line,
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	1492 // that should not matter.
4891 4c42efb4c098 updated for version 7.3.1191 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	1493 return RA_MATCH;
4c42efb4c098 updated for version 7.3.1191 Bram Moolenaar <bram@vim.org> parents: 4805 diff changeset	1494 }
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1495
6203 8515b42f939c updated for version 7.4.437 Bram Moolenaar <bram@vim.org> parents: 6041 diff changeset	1496 /*
8515b42f939c updated for version 7.4.437 Bram Moolenaar <bram@vim.org> parents: 6041 diff changeset	1497 * Used in a place where no * or \+ can follow.
8515b42f939c updated for version 7.4.437 Bram Moolenaar <bram@vim.org> parents: 6041 diff changeset	1498 */
8515b42f939c updated for version 7.4.437 Bram Moolenaar <bram@vim.org> parents: 6041 diff changeset	1499 static int
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7807 diff changeset	1500 re_mult_next(char *what)
6203 8515b42f939c updated for version 7.4.437 Bram Moolenaar <bram@vim.org> parents: 6041 diff changeset	1501 {
8515b42f939c updated for version 7.4.437 Bram Moolenaar <bram@vim.org> parents: 6041 diff changeset	1502 if (re_multi_type(peekchr()) == MULTI_MULT)
15480 bd12ace1bab2 patch 8.1.0748: using sprintf() instead of semsg() Bram Moolenaar <Bram@vim.org> parents: 15470 diff changeset	1503 {
bd12ace1bab2 patch 8.1.0748: using sprintf() instead of semsg() Bram Moolenaar <Bram@vim.org> parents: 15470 diff changeset	1504 semsg(_("E888: (NFA regexp) cannot repeat %s"), what);
bd12ace1bab2 patch 8.1.0748: using sprintf() instead of semsg() Bram Moolenaar <Bram@vim.org> parents: 15470 diff changeset	1505 rc_did_emsg = TRUE;
bd12ace1bab2 patch 8.1.0748: using sprintf() instead of semsg() Bram Moolenaar <Bram@vim.org> parents: 15470 diff changeset	1506 return FAIL;
bd12ace1bab2 patch 8.1.0748: using sprintf() instead of semsg() Bram Moolenaar <Bram@vim.org> parents: 15470 diff changeset	1507 }
6203 8515b42f939c updated for version 7.4.437 Bram Moolenaar <bram@vim.org> parents: 6041 diff changeset	1508 return OK;
8515b42f939c updated for version 7.4.437 Bram Moolenaar <bram@vim.org> parents: 6041 diff changeset	1509 }
8515b42f939c updated for version 7.4.437 Bram Moolenaar <bram@vim.org> parents: 6041 diff changeset	1510
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1511 typedef struct
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1512 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1513 int a, b, c;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1514 } decomp_T;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1515
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1516
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	1517 // 0xfb20 - 0xfb4f
297 9a1c2a8186b7 updated for version 7.0078 vimboss parents: 270 diff changeset	1518 static decomp_T decomp_table[0xfb4f-0xfb20+1] =
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1519 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	1520 {0x5e2,0,0}, // 0xfb20 alt ayin
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	1521 {0x5d0,0,0}, // 0xfb21 alt alef
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	1522 {0x5d3,0,0}, // 0xfb22 alt dalet
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	1523 {0x5d4,0,0}, // 0xfb23 alt he
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	1524 {0x5db,0,0}, // 0xfb24 alt kaf
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	1525 {0x5dc,0,0}, // 0xfb25 alt lamed
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	1526 {0x5dd,0,0}, // 0xfb26 alt mem-sofit
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	1527 {0x5e8,0,0}, // 0xfb27 alt resh
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	1528 {0x5ea,0,0}, // 0xfb28 alt tav
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	1529 {'+', 0, 0}, // 0xfb29 alt plus
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	1530 {0x5e9, 0x5c1, 0}, // 0xfb2a shin+shin-dot
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	1531 {0x5e9, 0x5c2, 0}, // 0xfb2b shin+sin-dot
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	1532 {0x5e9, 0x5c1, 0x5bc}, // 0xfb2c shin+shin-dot+dagesh
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	1533 {0x5e9, 0x5c2, 0x5bc}, // 0xfb2d shin+sin-dot+dagesh
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	1534 {0x5d0, 0x5b7, 0}, // 0xfb2e alef+patah
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	1535 {0x5d0, 0x5b8, 0}, // 0xfb2f alef+qamats
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	1536 {0x5d0, 0x5b4, 0}, // 0xfb30 alef+hiriq
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	1537 {0x5d1, 0x5bc, 0}, // 0xfb31 bet+dagesh
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	1538 {0x5d2, 0x5bc, 0}, // 0xfb32 gimel+dagesh
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	1539 {0x5d3, 0x5bc, 0}, // 0xfb33 dalet+dagesh
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	1540 {0x5d4, 0x5bc, 0}, // 0xfb34 he+dagesh
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	1541 {0x5d5, 0x5bc, 0}, // 0xfb35 vav+dagesh
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	1542 {0x5d6, 0x5bc, 0}, // 0xfb36 zayin+dagesh
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	1543 {0xfb37, 0, 0}, // 0xfb37 -- UNUSED
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	1544 {0x5d8, 0x5bc, 0}, // 0xfb38 tet+dagesh
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	1545 {0x5d9, 0x5bc, 0}, // 0xfb39 yud+dagesh
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	1546 {0x5da, 0x5bc, 0}, // 0xfb3a kaf sofit+dagesh
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	1547 {0x5db, 0x5bc, 0}, // 0xfb3b kaf+dagesh
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	1548 {0x5dc, 0x5bc, 0}, // 0xfb3c lamed+dagesh
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	1549 {0xfb3d, 0, 0}, // 0xfb3d -- UNUSED
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	1550 {0x5de, 0x5bc, 0}, // 0xfb3e mem+dagesh
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	1551 {0xfb3f, 0, 0}, // 0xfb3f -- UNUSED
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	1552 {0x5e0, 0x5bc, 0}, // 0xfb40 nun+dagesh
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	1553 {0x5e1, 0x5bc, 0}, // 0xfb41 samech+dagesh
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	1554 {0xfb42, 0, 0}, // 0xfb42 -- UNUSED
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	1555 {0x5e3, 0x5bc, 0}, // 0xfb43 pe sofit+dagesh
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	1556 {0x5e4, 0x5bc,0}, // 0xfb44 pe+dagesh
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	1557 {0xfb45, 0, 0}, // 0xfb45 -- UNUSED
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	1558 {0x5e6, 0x5bc, 0}, // 0xfb46 tsadi+dagesh
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	1559 {0x5e7, 0x5bc, 0}, // 0xfb47 qof+dagesh
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	1560 {0x5e8, 0x5bc, 0}, // 0xfb48 resh+dagesh
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	1561 {0x5e9, 0x5bc, 0}, // 0xfb49 shin+dagesh
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	1562 {0x5ea, 0x5bc, 0}, // 0xfb4a tav+dagesh
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	1563 {0x5d5, 0x5b9, 0}, // 0xfb4b vav+holam
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	1564 {0x5d1, 0x5bf, 0}, // 0xfb4c bet+rafe
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	1565 {0x5db, 0x5bf, 0}, // 0xfb4d kaf+rafe
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	1566 {0x5e4, 0x5bf, 0}, // 0xfb4e pe+rafe
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	1567 {0x5d0, 0x5dc, 0} // 0xfb4f alef-lamed
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1568 };
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1569
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1570 static void
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7807 diff changeset	1571 mb_decompose(int c, int c1, int c2, int *c3)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1572 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1573 decomp_T d;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1574
4505 d037b9cbdaaa updated for version 7.3.1000 Bram Moolenaar <bram@vim.org> parents: 4466 diff changeset	1575 if (c >= 0xfb20 && c <= 0xfb4f)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1576 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1577 d = decomp_table[c - 0xfb20];
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1578 *c1 = d.a;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1579 *c2 = d.b;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1580 *c3 = d.c;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1581 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1582 else
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1583 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1584 *c1 = c;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1585 c2 = c3 = 0;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1586 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1587 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1588
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1589 /*
10245 d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10187 diff changeset	1590 * Compare two strings, ignore case if rex.reg_ic set.
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1591 * Return 0 if strings match, non-zero otherwise.
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1592 * Correct the length "*n" when composing characters are ignored.
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1593 */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1594 static int
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7807 diff changeset	1595 cstrncmp(char_u s1, char_u s2, int *n)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1596 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1597 int result;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1598
10245 d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10187 diff changeset	1599 if (!rex.reg_ic)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1600 result = STRNCMP(s1, s2, *n);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1601 else
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1602 result = MB_STRNICMP(s1, s2, *n);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1603
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	1604 // if it failed and it's utf8 and we want to combineignore:
10245 d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10187 diff changeset	1605 if (result != 0 && enc_utf8 && rex.reg_icombine)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1606 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1607 char_u str1, str2;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1608 int c1, c2, c11, c12;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1609 int junk;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1610
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	1611 // we have to handle the strcmp ourselves, since it is necessary to
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	1612 // deal with the composing characters by ignoring them:
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1613 str1 = s1;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1614 str2 = s2;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1615 c1 = c2 = 0;
507 a1059cda45f2 updated for version 7.0142 vimboss parents: 492 diff changeset	1616 while ((int)(str1 - s1) < *n)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1617 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1618 c1 = mb_ptr2char_adv(&str1);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1619 c2 = mb_ptr2char_adv(&str2);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1620
18019 68fd5296bf73 patch 8.1.2005: the regexp.c file is too big Bram Moolenaar <Bram@vim.org> parents: 17966 diff changeset	1621 // Decompose the character if necessary, into 'base' characters.
68fd5296bf73 patch 8.1.2005: the regexp.c file is too big Bram Moolenaar <Bram@vim.org> parents: 17966 diff changeset	1622 // Currently hard-coded for Hebrew, Arabic to be done...
10245 d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10187 diff changeset	1623 if (c1 != c2 && (!rex.reg_ic \|\| utf_fold(c1) != utf_fold(c2)))
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1624 {
18019 68fd5296bf73 patch 8.1.2005: the regexp.c file is too big Bram Moolenaar <Bram@vim.org> parents: 17966 diff changeset	1625 // decomposition necessary?
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1626 mb_decompose(c1, &c11, &junk, &junk);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1627 mb_decompose(c2, &c12, &junk, &junk);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1628 c1 = c11;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1629 c2 = c12;
10245 d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10187 diff changeset	1630 if (c11 != c12
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10187 diff changeset	1631 && (!rex.reg_ic \|\| utf_fold(c11) != utf_fold(c12)))
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1632 break;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1633 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1634 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1635 result = c2 - c1;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1636 if (result == 0)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1637 *n = (int)(str2 - s2);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1638 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1639
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1640 return result;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1641 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1642
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1643 /*
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1644 * cstrchr: This function is used a lot for simple searches, keep it fast!
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1645 */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1646 static char_u *
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7807 diff changeset	1647 cstrchr(char_u *s, int c)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1648 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1649 char_u *p;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1650 int cc;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1651
15603 639b8318472c patch 8.1.0809: too many #ifdefs Bram Moolenaar <Bram@vim.org> parents: 15555 diff changeset	1652 if (!rex.reg_ic \|\| (!enc_utf8 && mb_char2len(c) > 1))
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1653 return vim_strchr(s, c);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1654
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	1655 // tolower() and toupper() can be slow, comparing twice should be a lot
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	1656 // faster (esp. when using MS Visual C++!).
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	1657 // For UTF-8 need to use folded case.
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1658 if (enc_utf8 && c > 0x80)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1659 cc = utf_fold(c);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1660 else
1347 302a6aa7aca2 updated for version 7.1-061 vimboss parents: 1341 diff changeset	1661 if (MB_ISUPPER(c))
302a6aa7aca2 updated for version 7.1-061 vimboss parents: 1341 diff changeset	1662 cc = MB_TOLOWER(c);
302a6aa7aca2 updated for version 7.1-061 vimboss parents: 1341 diff changeset	1663 else if (MB_ISLOWER(c))
302a6aa7aca2 updated for version 7.1-061 vimboss parents: 1341 diff changeset	1664 cc = MB_TOUPPER(c);
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1665 else
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1666 return vim_strchr(s, c);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1667
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1668 if (has_mbyte)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1669 {
474 a5fcf36ef512 updated for version 7.0127 vimboss parents: 418 diff changeset	1670 for (p = s; p != NUL; p += (mb_ptr2len)(p))
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1671 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1672 if (enc_utf8 && c > 0x80)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1673 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1674 if (utf_fold(utf_ptr2char(p)) == cc)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1675 return p;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1676 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1677 else if (p == c \|\| p == cc)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1678 return p;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1679 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1680 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1681 else
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	1682 // Faster version for when there are no multi-byte characters.
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1683 for (p = s; *p != NUL; ++p)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1684 if (p == c \|\| p == cc)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1685 return p;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1686
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1687 return NULL;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1688 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1689
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	1690 ////////////////////////////////////////////////////////////////
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	1691 // regsub stuff //
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	1692 ////////////////////////////////////////////////////////////////
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1693
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1694 /*
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1695 * We should define ftpr as a pointer to a function returning a pointer to
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1696 * a function returning a pointer to a function ...
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1697 * This is impossible, so we declare a pointer to a function returning a
22151 01cab6232a9a patch 8.2.1625: compiler warning for use of fptr_T Bram Moolenaar <Bram@vim.org> parents: 22143 diff changeset	1698 * void pointer. This should work for all compilers.
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1699 */
22151 01cab6232a9a patch 8.2.1625: compiler warning for use of fptr_T Bram Moolenaar <Bram@vim.org> parents: 22143 diff changeset	1700 typedef void ((fptr_T)(int *, int));
7805 0b6c37dd858d commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077 Christian Brabandt <cb@256bit.org> parents: 7009 diff changeset	1701
9589 bf204ab1ce7d commit https://github.com/vim/vim/commit/72ab729c3dcdea0fba44d8e676602c847e841bcd Christian Brabandt <cb@256bit.org> parents: 9015 diff changeset	1702 static int vim_regsub_both(char_u source, typval_T expr, char_u *dest, int copy, int magic, int backslash);
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1703
772 aaaca5077255 updated for version 7.0226 vimboss parents: 741 diff changeset	1704 static fptr_T
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7807 diff changeset	1705 do_upper(int *d, int c)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1706 {
772 aaaca5077255 updated for version 7.0226 vimboss parents: 741 diff changeset	1707 *d = MB_TOUPPER(c);
aaaca5077255 updated for version 7.0226 vimboss parents: 741 diff changeset	1708
aaaca5077255 updated for version 7.0226 vimboss parents: 741 diff changeset	1709 return (fptr_T)NULL;
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1710 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1711
772 aaaca5077255 updated for version 7.0226 vimboss parents: 741 diff changeset	1712 static fptr_T
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7807 diff changeset	1713 do_Upper(int *d, int c)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1714 {
772 aaaca5077255 updated for version 7.0226 vimboss parents: 741 diff changeset	1715 *d = MB_TOUPPER(c);
aaaca5077255 updated for version 7.0226 vimboss parents: 741 diff changeset	1716
aaaca5077255 updated for version 7.0226 vimboss parents: 741 diff changeset	1717 return (fptr_T)do_Upper;
aaaca5077255 updated for version 7.0226 vimboss parents: 741 diff changeset	1718 }
aaaca5077255 updated for version 7.0226 vimboss parents: 741 diff changeset	1719
aaaca5077255 updated for version 7.0226 vimboss parents: 741 diff changeset	1720 static fptr_T
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7807 diff changeset	1721 do_lower(int *d, int c)
772 aaaca5077255 updated for version 7.0226 vimboss parents: 741 diff changeset	1722 {
aaaca5077255 updated for version 7.0226 vimboss parents: 741 diff changeset	1723 *d = MB_TOLOWER(c);
aaaca5077255 updated for version 7.0226 vimboss parents: 741 diff changeset	1724
aaaca5077255 updated for version 7.0226 vimboss parents: 741 diff changeset	1725 return (fptr_T)NULL;
aaaca5077255 updated for version 7.0226 vimboss parents: 741 diff changeset	1726 }
aaaca5077255 updated for version 7.0226 vimboss parents: 741 diff changeset	1727
aaaca5077255 updated for version 7.0226 vimboss parents: 741 diff changeset	1728 static fptr_T
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7807 diff changeset	1729 do_Lower(int *d, int c)
772 aaaca5077255 updated for version 7.0226 vimboss parents: 741 diff changeset	1730 {
aaaca5077255 updated for version 7.0226 vimboss parents: 741 diff changeset	1731 *d = MB_TOLOWER(c);
aaaca5077255 updated for version 7.0226 vimboss parents: 741 diff changeset	1732
aaaca5077255 updated for version 7.0226 vimboss parents: 741 diff changeset	1733 return (fptr_T)do_Lower;
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1734 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1735
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1736 /*
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1737 * regtilde(): Replace tildes in the pattern by the old pattern.
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1738 *
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1739 * Short explanation of the tilde: It stands for the previous replacement
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1740 * pattern. If that previous pattern also contains a ~ we should go back a
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1741 * step further... But we insert the previous pattern into the current one
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1742 * and remember that.
772 aaaca5077255 updated for version 7.0226 vimboss parents: 741 diff changeset	1743 * This still does not handle the case where "magic" changes. So require the
aaaca5077255 updated for version 7.0226 vimboss parents: 741 diff changeset	1744 * user to keep his hands off of "magic".
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1745 *
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1746 * The tildes are parsed once before the first call to vim_regsub().
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1747 */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1748 char_u *
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7807 diff changeset	1749 regtilde(char_u *source, int magic)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1750 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1751 char_u *newsub = source;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1752 char_u *tmpsub;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1753 char_u *p;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1754 int len;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1755 int prevlen;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1756
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1757 for (p = newsub; *p; ++p)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1758 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1759 if ((p == '~' && magic) \|\| (p == '\\' && *(p + 1) == '~' && !magic))
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1760 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1761 if (reg_prev_sub != NULL)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1762 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	1763 // length = len(newsub) - 1 + len(prev_sub) + 1
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1764 prevlen = (int)STRLEN(reg_prev_sub);
16764 ef00b6bc186b patch 8.1.1384: using "int" for alloc() often results in compiler warnings Bram Moolenaar <Bram@vim.org> parents: 16634 diff changeset	1765 tmpsub = alloc(STRLEN(newsub) + prevlen);
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1766 if (tmpsub != NULL)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1767 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	1768 // copy prefix
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	1769 len = (int)(p - newsub); // not including ~
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1770 mch_memmove(tmpsub, newsub, (size_t)len);
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	1771 // interpret tilde
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1772 mch_memmove(tmpsub + len, reg_prev_sub, (size_t)prevlen);
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	1773 // copy postfix
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1774 if (!magic)
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	1775 ++p; // back off backslash
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1776 STRCPY(tmpsub + len + prevlen, p + 1);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1777
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	1778 if (newsub != source) // already allocated newsub
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1779 vim_free(newsub);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1780 newsub = tmpsub;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1781 p = newsub + len + prevlen;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1782 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1783 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1784 else if (magic)
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	1785 STRMOVE(p, p + 1); // remove '~'
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1786 else
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	1787 STRMOVE(p, p + 2); // remove '\~'
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1788 --p;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1789 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1790 else
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1791 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	1792 if (*p == '\\' && p[1]) // skip escaped characters
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1793 ++p;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1794 if (has_mbyte)
474 a5fcf36ef512 updated for version 7.0127 vimboss parents: 418 diff changeset	1795 p += (*mb_ptr2len)(p) - 1;
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1796 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1797 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1798
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1799 vim_free(reg_prev_sub);
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	1800 if (newsub != source) // newsub was allocated, just keep it
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1801 reg_prev_sub = newsub;
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	1802 else // no ~ found, need to save newsub
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1803 reg_prev_sub = vim_strsave(newsub);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1804 return newsub;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1805 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1806
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1807 #ifdef FEAT_EVAL
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	1808 static int can_f_submatch = FALSE; // TRUE when submatch() can be used
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1809
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	1810 // These pointers are used for reg_submatch(). Needed for when the
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	1811 // substitution string is an expression that contains a call to substitute()
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	1812 // and submatch().
10245 d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10187 diff changeset	1813 typedef struct {
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10187 diff changeset	1814 regmatch_T *sm_match;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10187 diff changeset	1815 regmmatch_T *sm_mmatch;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10187 diff changeset	1816 linenr_T sm_firstlnum;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10187 diff changeset	1817 linenr_T sm_maxline;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10187 diff changeset	1818 int sm_line_lbr;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10187 diff changeset	1819 } regsubmatch_T;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10187 diff changeset	1820
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	1821 static regsubmatch_T rsm; // can only be used when can_f_submatch is TRUE
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1822 #endif
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1823
17966 46f95606b9ec patch 8.1.1979: code for handling file names is spread out Bram Moolenaar <Bram@vim.org> parents: 17789 diff changeset	1824 #ifdef FEAT_EVAL
9626 172131507c85 commit https://github.com/vim/vim/commit/df48fb456fb6bf63d94cad9b302ff01d8ee8d311 Christian Brabandt <cb@256bit.org> parents: 9589 diff changeset	1825
172131507c85 commit https://github.com/vim/vim/commit/df48fb456fb6bf63d94cad9b302ff01d8ee8d311 Christian Brabandt <cb@256bit.org> parents: 9589 diff changeset	1826 /*
18572 23fef64352a1 patch 8.1.2280: crash when passing partial to substitute() Bram Moolenaar <Bram@vim.org> parents: 18019 diff changeset	1827 * Put the submatches in "argv[argskip]" which is a list passed into
23fef64352a1 patch 8.1.2280: crash when passing partial to substitute() Bram Moolenaar <Bram@vim.org> parents: 18019 diff changeset	1828 * call_func() by vim_regsub_both().
9626 172131507c85 commit https://github.com/vim/vim/commit/df48fb456fb6bf63d94cad9b302ff01d8ee8d311 Christian Brabandt <cb@256bit.org> parents: 9589 diff changeset	1829 */
172131507c85 commit https://github.com/vim/vim/commit/df48fb456fb6bf63d94cad9b302ff01d8ee8d311 Christian Brabandt <cb@256bit.org> parents: 9589 diff changeset	1830 static int
18572 23fef64352a1 patch 8.1.2280: crash when passing partial to substitute() Bram Moolenaar <Bram@vim.org> parents: 18019 diff changeset	1831 fill_submatch_list(int argc UNUSED, typval_T *argv, int argskip, int argcount)
9626 172131507c85 commit https://github.com/vim/vim/commit/df48fb456fb6bf63d94cad9b302ff01d8ee8d311 Christian Brabandt <cb@256bit.org> parents: 9589 diff changeset	1832 {
172131507c85 commit https://github.com/vim/vim/commit/df48fb456fb6bf63d94cad9b302ff01d8ee8d311 Christian Brabandt <cb@256bit.org> parents: 9589 diff changeset	1833 listitem_T *li;
172131507c85 commit https://github.com/vim/vim/commit/df48fb456fb6bf63d94cad9b302ff01d8ee8d311 Christian Brabandt <cb@256bit.org> parents: 9589 diff changeset	1834 int i;
172131507c85 commit https://github.com/vim/vim/commit/df48fb456fb6bf63d94cad9b302ff01d8ee8d311 Christian Brabandt <cb@256bit.org> parents: 9589 diff changeset	1835 char_u *s;
18572 23fef64352a1 patch 8.1.2280: crash when passing partial to substitute() Bram Moolenaar <Bram@vim.org> parents: 18019 diff changeset	1836 typval_T *listarg = argv + argskip;
9626 172131507c85 commit https://github.com/vim/vim/commit/df48fb456fb6bf63d94cad9b302ff01d8ee8d311 Christian Brabandt <cb@256bit.org> parents: 9589 diff changeset	1837
18572 23fef64352a1 patch 8.1.2280: crash when passing partial to substitute() Bram Moolenaar <Bram@vim.org> parents: 18019 diff changeset	1838 if (argcount == argskip)
23fef64352a1 patch 8.1.2280: crash when passing partial to substitute() Bram Moolenaar <Bram@vim.org> parents: 18019 diff changeset	1839 // called function doesn't take a submatches argument
23fef64352a1 patch 8.1.2280: crash when passing partial to substitute() Bram Moolenaar <Bram@vim.org> parents: 18019 diff changeset	1840 return argskip;
9626 172131507c85 commit https://github.com/vim/vim/commit/df48fb456fb6bf63d94cad9b302ff01d8ee8d311 Christian Brabandt <cb@256bit.org> parents: 9589 diff changeset	1841
18572 23fef64352a1 patch 8.1.2280: crash when passing partial to substitute() Bram Moolenaar <Bram@vim.org> parents: 18019 diff changeset	1842 // Relies on sl_list to be the first item in staticList10_T.
23fef64352a1 patch 8.1.2280: crash when passing partial to substitute() Bram Moolenaar <Bram@vim.org> parents: 18019 diff changeset	1843 init_static_list((staticList10_T *)(listarg->vval.v_list));
9626 172131507c85 commit https://github.com/vim/vim/commit/df48fb456fb6bf63d94cad9b302ff01d8ee8d311 Christian Brabandt <cb@256bit.org> parents: 9589 diff changeset	1844
18572 23fef64352a1 patch 8.1.2280: crash when passing partial to substitute() Bram Moolenaar <Bram@vim.org> parents: 18019 diff changeset	1845 // There are always 10 list items in staticList10_T.
23fef64352a1 patch 8.1.2280: crash when passing partial to substitute() Bram Moolenaar <Bram@vim.org> parents: 18019 diff changeset	1846 li = listarg->vval.v_list->lv_first;
9626 172131507c85 commit https://github.com/vim/vim/commit/df48fb456fb6bf63d94cad9b302ff01d8ee8d311 Christian Brabandt <cb@256bit.org> parents: 9589 diff changeset	1847 for (i = 0; i < 10; ++i)
172131507c85 commit https://github.com/vim/vim/commit/df48fb456fb6bf63d94cad9b302ff01d8ee8d311 Christian Brabandt <cb@256bit.org> parents: 9589 diff changeset	1848 {
10245 d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10187 diff changeset	1849 s = rsm.sm_match->startp[i];
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10187 diff changeset	1850 if (s == NULL \|\| rsm.sm_match->endp[i] == NULL)
9626 172131507c85 commit https://github.com/vim/vim/commit/df48fb456fb6bf63d94cad9b302ff01d8ee8d311 Christian Brabandt <cb@256bit.org> parents: 9589 diff changeset	1851 s = NULL;
172131507c85 commit https://github.com/vim/vim/commit/df48fb456fb6bf63d94cad9b302ff01d8ee8d311 Christian Brabandt <cb@256bit.org> parents: 9589 diff changeset	1852 else
20830 9064044fd4f6 patch 8.2.0967: unnecessary type casts for vim_strnsave() Bram Moolenaar <Bram@vim.org> parents: 20113 diff changeset	1853 s = vim_strnsave(s, rsm.sm_match->endp[i] - s);
9626 172131507c85 commit https://github.com/vim/vim/commit/df48fb456fb6bf63d94cad9b302ff01d8ee8d311 Christian Brabandt <cb@256bit.org> parents: 9589 diff changeset	1854 li->li_tv.v_type = VAR_STRING;
172131507c85 commit https://github.com/vim/vim/commit/df48fb456fb6bf63d94cad9b302ff01d8ee8d311 Christian Brabandt <cb@256bit.org> parents: 9589 diff changeset	1855 li->li_tv.vval.v_string = s;
172131507c85 commit https://github.com/vim/vim/commit/df48fb456fb6bf63d94cad9b302ff01d8ee8d311 Christian Brabandt <cb@256bit.org> parents: 9589 diff changeset	1856 li = li->li_next;
172131507c85 commit https://github.com/vim/vim/commit/df48fb456fb6bf63d94cad9b302ff01d8ee8d311 Christian Brabandt <cb@256bit.org> parents: 9589 diff changeset	1857 }
18572 23fef64352a1 patch 8.1.2280: crash when passing partial to substitute() Bram Moolenaar <Bram@vim.org> parents: 18019 diff changeset	1858 return argskip + 1;
9626 172131507c85 commit https://github.com/vim/vim/commit/df48fb456fb6bf63d94cad9b302ff01d8ee8d311 Christian Brabandt <cb@256bit.org> parents: 9589 diff changeset	1859 }
172131507c85 commit https://github.com/vim/vim/commit/df48fb456fb6bf63d94cad9b302ff01d8ee8d311 Christian Brabandt <cb@256bit.org> parents: 9589 diff changeset	1860
172131507c85 commit https://github.com/vim/vim/commit/df48fb456fb6bf63d94cad9b302ff01d8ee8d311 Christian Brabandt <cb@256bit.org> parents: 9589 diff changeset	1861 static void
172131507c85 commit https://github.com/vim/vim/commit/df48fb456fb6bf63d94cad9b302ff01d8ee8d311 Christian Brabandt <cb@256bit.org> parents: 9589 diff changeset	1862 clear_submatch_list(staticList10_T *sl)
172131507c85 commit https://github.com/vim/vim/commit/df48fb456fb6bf63d94cad9b302ff01d8ee8d311 Christian Brabandt <cb@256bit.org> parents: 9589 diff changeset	1863 {
172131507c85 commit https://github.com/vim/vim/commit/df48fb456fb6bf63d94cad9b302ff01d8ee8d311 Christian Brabandt <cb@256bit.org> parents: 9589 diff changeset	1864 int i;
172131507c85 commit https://github.com/vim/vim/commit/df48fb456fb6bf63d94cad9b302ff01d8ee8d311 Christian Brabandt <cb@256bit.org> parents: 9589 diff changeset	1865
172131507c85 commit https://github.com/vim/vim/commit/df48fb456fb6bf63d94cad9b302ff01d8ee8d311 Christian Brabandt <cb@256bit.org> parents: 9589 diff changeset	1866 for (i = 0; i < 10; ++i)
172131507c85 commit https://github.com/vim/vim/commit/df48fb456fb6bf63d94cad9b302ff01d8ee8d311 Christian Brabandt <cb@256bit.org> parents: 9589 diff changeset	1867 vim_free(sl->sl_items[i].li_tv.vval.v_string);
172131507c85 commit https://github.com/vim/vim/commit/df48fb456fb6bf63d94cad9b302ff01d8ee8d311 Christian Brabandt <cb@256bit.org> parents: 9589 diff changeset	1868 }
17966 46f95606b9ec patch 8.1.1979: code for handling file names is spread out Bram Moolenaar <Bram@vim.org> parents: 17789 diff changeset	1869 #endif
9626 172131507c85 commit https://github.com/vim/vim/commit/df48fb456fb6bf63d94cad9b302ff01d8ee8d311 Christian Brabandt <cb@256bit.org> parents: 9589 diff changeset	1870
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1871 /*
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1872 * vim_regsub() - perform substitutions after a vim_regexec() or
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1873 * vim_regexec_multi() match.
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1874 *
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1875 * If "copy" is TRUE really copy into "dest".
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1876 * If "copy" is FALSE nothing is copied, this is just to find out the length
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1877 * of the result.
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1878 *
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1879 * If "backslash" is TRUE, a backslash will be removed later, need to double
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1880 * them to keep them, and insert a backslash before a CR to avoid it being
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1881 * replaced with a line break later.
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1882 *
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1883 * Note: The matched text must not change between the call of
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1884 * vim_regexec()/vim_regexec_multi() and vim_regsub()! It would make the back
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1885 * references invalid!
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1886 *
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1887 * Returns the size of the replacement, including terminating NUL.
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1888 */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1889 int
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7807 diff changeset	1890 vim_regsub(
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7807 diff changeset	1891 regmatch_T *rmp,
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7807 diff changeset	1892 char_u *source,
9589 bf204ab1ce7d commit https://github.com/vim/vim/commit/72ab729c3dcdea0fba44d8e676602c847e841bcd Christian Brabandt <cb@256bit.org> parents: 9015 diff changeset	1893 typval_T *expr,
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7807 diff changeset	1894 char_u *dest,
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7807 diff changeset	1895 int copy,
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7807 diff changeset	1896 int magic,
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7807 diff changeset	1897 int backslash)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1898 {
10245 d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10187 diff changeset	1899 int result;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10187 diff changeset	1900 regexec_T rex_save;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10187 diff changeset	1901 int rex_in_use_save = rex_in_use;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10187 diff changeset	1902
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10187 diff changeset	1903 if (rex_in_use)
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	1904 // Being called recursively, save the state.
10245 d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10187 diff changeset	1905 rex_save = rex;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10187 diff changeset	1906 rex_in_use = TRUE;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10187 diff changeset	1907
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10187 diff changeset	1908 rex.reg_match = rmp;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10187 diff changeset	1909 rex.reg_mmatch = NULL;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10187 diff changeset	1910 rex.reg_maxline = 0;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10187 diff changeset	1911 rex.reg_buf = curbuf;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10187 diff changeset	1912 rex.reg_line_lbr = TRUE;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10187 diff changeset	1913 result = vim_regsub_both(source, expr, dest, copy, magic, backslash);
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10187 diff changeset	1914
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10187 diff changeset	1915 rex_in_use = rex_in_use_save;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10187 diff changeset	1916 if (rex_in_use)
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10187 diff changeset	1917 rex = rex_save;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10187 diff changeset	1918
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10187 diff changeset	1919 return result;
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1920 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1921
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1922 int
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7807 diff changeset	1923 vim_regsub_multi(
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7807 diff changeset	1924 regmmatch_T *rmp,
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7807 diff changeset	1925 linenr_T lnum,
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7807 diff changeset	1926 char_u *source,
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7807 diff changeset	1927 char_u *dest,
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7807 diff changeset	1928 int copy,
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7807 diff changeset	1929 int magic,
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7807 diff changeset	1930 int backslash)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1931 {
10245 d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10187 diff changeset	1932 int result;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10187 diff changeset	1933 regexec_T rex_save;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10187 diff changeset	1934 int rex_in_use_save = rex_in_use;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10187 diff changeset	1935
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10187 diff changeset	1936 if (rex_in_use)
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	1937 // Being called recursively, save the state.
10245 d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10187 diff changeset	1938 rex_save = rex;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10187 diff changeset	1939 rex_in_use = TRUE;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10187 diff changeset	1940
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10187 diff changeset	1941 rex.reg_match = NULL;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10187 diff changeset	1942 rex.reg_mmatch = rmp;
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	1943 rex.reg_buf = curbuf; // always works on the current buffer!
10245 d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10187 diff changeset	1944 rex.reg_firstlnum = lnum;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10187 diff changeset	1945 rex.reg_maxline = curbuf->b_ml.ml_line_count - lnum;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10187 diff changeset	1946 rex.reg_line_lbr = FALSE;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10187 diff changeset	1947 result = vim_regsub_both(source, NULL, dest, copy, magic, backslash);
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10187 diff changeset	1948
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10187 diff changeset	1949 rex_in_use = rex_in_use_save;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10187 diff changeset	1950 if (rex_in_use)
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10187 diff changeset	1951 rex = rex_save;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10187 diff changeset	1952
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10187 diff changeset	1953 return result;
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1954 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1955
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1956 static int
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7807 diff changeset	1957 vim_regsub_both(
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7807 diff changeset	1958 char_u *source,
9589 bf204ab1ce7d commit https://github.com/vim/vim/commit/72ab729c3dcdea0fba44d8e676602c847e841bcd Christian Brabandt <cb@256bit.org> parents: 9015 diff changeset	1959 typval_T *expr,
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7807 diff changeset	1960 char_u *dest,
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7807 diff changeset	1961 int copy,
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7807 diff changeset	1962 int magic,
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7807 diff changeset	1963 int backslash)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1964 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1965 char_u *src;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1966 char_u *dst;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1967 char_u *s;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1968 int c;
772 aaaca5077255 updated for version 7.0226 vimboss parents: 741 diff changeset	1969 int cc;
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1970 int no = -1;
4244 7faeece39228 updated for version 7.3.873 Bram Moolenaar <bram@vim.org> parents: 4176 diff changeset	1971 fptr_T func_all = (fptr_T)NULL;
7faeece39228 updated for version 7.3.873 Bram Moolenaar <bram@vim.org> parents: 4176 diff changeset	1972 fptr_T func_one = (fptr_T)NULL;
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	1973 linenr_T clnum = 0; // init for GCC
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	1974 int len = 0; // init for GCC
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1975 #ifdef FEAT_EVAL
9589 bf204ab1ce7d commit https://github.com/vim/vim/commit/72ab729c3dcdea0fba44d8e676602c847e841bcd Christian Brabandt <cb@256bit.org> parents: 9015 diff changeset	1976 static char_u *eval_result = NULL;
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1977 #endif
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1978
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	1979 // Be paranoid...
9589 bf204ab1ce7d commit https://github.com/vim/vim/commit/72ab729c3dcdea0fba44d8e676602c847e841bcd Christian Brabandt <cb@256bit.org> parents: 9015 diff changeset	1980 if ((source == NULL && expr == NULL) \|\| dest == NULL)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1981 {
15470 55ccc2d353bd patch 8.1.0743: giving error messages is not flexible Bram Moolenaar <Bram@vim.org> parents: 15339 diff changeset	1982 emsg(_(e_null));
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1983 return 0;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1984 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1985 if (prog_magic_wrong())
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1986 return 0;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1987 src = source;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1988 dst = dest;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1989
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1990 /*
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1991 * When the substitute part starts with "\=" evaluate it as an expression.
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1992 */
10245 d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10187 diff changeset	1993 if (expr != NULL \|\| (source[0] == '\\' && source[1] == '='))
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1994 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	1995 #ifdef FEAT_EVAL
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	1996 // To make sure that the length doesn't change between checking the
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	1997 // length and copying the string, and to speed up things, the
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	1998 // resulting string is saved from the call with "copy" == FALSE to the
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	1999 // call with "copy" == TRUE.
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2000 if (copy)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2001 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2002 if (eval_result != NULL)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2003 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2004 STRCPY(dest, eval_result);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2005 dst += STRLEN(eval_result);
13244 ac42c4b11dbc patch 8.0.1496: clearing a pointer takes two lines Christian Brabandt <cb@256bit.org> parents: 12752 diff changeset	2006 VIM_CLEAR(eval_result);
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2007 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2008 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2009 else
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2010 {
10245 d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10187 diff changeset	2011 int prev_can_f_submatch = can_f_submatch;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10187 diff changeset	2012 regsubmatch_T rsm_save;
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2013
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2014 vim_free(eval_result);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2015
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	2016 // The expression may contain substitute(), which calls us
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	2017 // recursively. Make sure submatch() gets the text from the first
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	2018 // level.
10245 d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10187 diff changeset	2019 if (can_f_submatch)
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10187 diff changeset	2020 rsm_save = rsm;
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2021 can_f_submatch = TRUE;
10245 d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10187 diff changeset	2022 rsm.sm_match = rex.reg_match;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10187 diff changeset	2023 rsm.sm_mmatch = rex.reg_mmatch;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10187 diff changeset	2024 rsm.sm_firstlnum = rex.reg_firstlnum;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10187 diff changeset	2025 rsm.sm_maxline = rex.reg_maxline;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10187 diff changeset	2026 rsm.sm_line_lbr = rex.reg_line_lbr;
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2027
9589 bf204ab1ce7d commit https://github.com/vim/vim/commit/72ab729c3dcdea0fba44d8e676602c847e841bcd Christian Brabandt <cb@256bit.org> parents: 9015 diff changeset	2028 if (expr != NULL)
bf204ab1ce7d commit https://github.com/vim/vim/commit/72ab729c3dcdea0fba44d8e676602c847e841bcd Christian Brabandt <cb@256bit.org> parents: 9015 diff changeset	2029 {
9626 172131507c85 commit https://github.com/vim/vim/commit/df48fb456fb6bf63d94cad9b302ff01d8ee8d311 Christian Brabandt <cb@256bit.org> parents: 9589 diff changeset	2030 typval_T argv[2];
9589 bf204ab1ce7d commit https://github.com/vim/vim/commit/72ab729c3dcdea0fba44d8e676602c847e841bcd Christian Brabandt <cb@256bit.org> parents: 9015 diff changeset	2031 char_u buf[NUMBUFLEN];
bf204ab1ce7d commit https://github.com/vim/vim/commit/72ab729c3dcdea0fba44d8e676602c847e841bcd Christian Brabandt <cb@256bit.org> parents: 9015 diff changeset	2032 typval_T rettv;
9626 172131507c85 commit https://github.com/vim/vim/commit/df48fb456fb6bf63d94cad9b302ff01d8ee8d311 Christian Brabandt <cb@256bit.org> parents: 9589 diff changeset	2033 staticList10_T matchList;
17606 ff097edaae89 patch 8.1.1800: function call functions have too many arguments Bram Moolenaar <Bram@vim.org> parents: 17444 diff changeset	2034 funcexe_T funcexe;
9589 bf204ab1ce7d commit https://github.com/vim/vim/commit/72ab729c3dcdea0fba44d8e676602c847e841bcd Christian Brabandt <cb@256bit.org> parents: 9015 diff changeset	2035
bf204ab1ce7d commit https://github.com/vim/vim/commit/72ab729c3dcdea0fba44d8e676602c847e841bcd Christian Brabandt <cb@256bit.org> parents: 9015 diff changeset	2036 rettv.v_type = VAR_STRING;
bf204ab1ce7d commit https://github.com/vim/vim/commit/72ab729c3dcdea0fba44d8e676602c847e841bcd Christian Brabandt <cb@256bit.org> parents: 9015 diff changeset	2037 rettv.vval.v_string = NULL;
10245 d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10187 diff changeset	2038 argv[0].v_type = VAR_LIST;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10187 diff changeset	2039 argv[0].vval.v_list = &matchList.sl_list;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10187 diff changeset	2040 matchList.sl_list.lv_len = 0;
20007 aadd1cae2ff5 patch 8.2.0559: clearing a struct is verbose Bram Moolenaar <Bram@vim.org> parents: 19892 diff changeset	2041 CLEAR_FIELD(funcexe);
17606 ff097edaae89 patch 8.1.1800: function call functions have too many arguments Bram Moolenaar <Bram@vim.org> parents: 17444 diff changeset	2042 funcexe.argv_func = fill_submatch_list;
ff097edaae89 patch 8.1.1800: function call functions have too many arguments Bram Moolenaar <Bram@vim.org> parents: 17444 diff changeset	2043 funcexe.evaluate = TRUE;
10245 d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10187 diff changeset	2044 if (expr->v_type == VAR_FUNC)
9589 bf204ab1ce7d commit https://github.com/vim/vim/commit/72ab729c3dcdea0fba44d8e676602c847e841bcd Christian Brabandt <cb@256bit.org> parents: 9015 diff changeset	2045 {
10245 d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10187 diff changeset	2046 s = expr->vval.v_string;
17606 ff097edaae89 patch 8.1.1800: function call functions have too many arguments Bram Moolenaar <Bram@vim.org> parents: 17444 diff changeset	2047 call_func(s, -1, &rettv, 1, argv, &funcexe);
9589 bf204ab1ce7d commit https://github.com/vim/vim/commit/72ab729c3dcdea0fba44d8e676602c847e841bcd Christian Brabandt <cb@256bit.org> parents: 9015 diff changeset	2048 }
10245 d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10187 diff changeset	2049 else if (expr->v_type == VAR_PARTIAL)
9589 bf204ab1ce7d commit https://github.com/vim/vim/commit/72ab729c3dcdea0fba44d8e676602c847e841bcd Christian Brabandt <cb@256bit.org> parents: 9015 diff changeset	2050 {
10245 d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10187 diff changeset	2051 partial_T *partial = expr->vval.v_partial;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10187 diff changeset	2052
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10187 diff changeset	2053 s = partial_name(partial);
17606 ff097edaae89 patch 8.1.1800: function call functions have too many arguments Bram Moolenaar <Bram@vim.org> parents: 17444 diff changeset	2054 funcexe.partial = partial;
ff097edaae89 patch 8.1.1800: function call functions have too many arguments Bram Moolenaar <Bram@vim.org> parents: 17444 diff changeset	2055 call_func(s, -1, &rettv, 1, argv, &funcexe);
9589 bf204ab1ce7d commit https://github.com/vim/vim/commit/72ab729c3dcdea0fba44d8e676602c847e841bcd Christian Brabandt <cb@256bit.org> parents: 9015 diff changeset	2056 }
10245 d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10187 diff changeset	2057 if (matchList.sl_list.lv_len > 0)
18576 e9675870c480 patch 8.1.2282: crash when passing many arguments through a partial Bram Moolenaar <Bram@vim.org> parents: 18572 diff changeset	2058 // fill_submatch_list() was called
10245 d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10187 diff changeset	2059 clear_submatch_list(&matchList);
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10187 diff changeset	2060
18576 e9675870c480 patch 8.1.2282: crash when passing many arguments through a partial Bram Moolenaar <Bram@vim.org> parents: 18572 diff changeset	2061 if (rettv.v_type == VAR_UNKNOWN)
e9675870c480 patch 8.1.2282: crash when passing many arguments through a partial Bram Moolenaar <Bram@vim.org> parents: 18572 diff changeset	2062 // something failed, no need to report another error
e9675870c480 patch 8.1.2282: crash when passing many arguments through a partial Bram Moolenaar <Bram@vim.org> parents: 18572 diff changeset	2063 eval_result = NULL;
e9675870c480 patch 8.1.2282: crash when passing many arguments through a partial Bram Moolenaar <Bram@vim.org> parents: 18572 diff changeset	2064 else
e9675870c480 patch 8.1.2282: crash when passing many arguments through a partial Bram Moolenaar <Bram@vim.org> parents: 18572 diff changeset	2065 {
e9675870c480 patch 8.1.2282: crash when passing many arguments through a partial Bram Moolenaar <Bram@vim.org> parents: 18572 diff changeset	2066 eval_result = tv_get_string_buf_chk(&rettv, buf);
e9675870c480 patch 8.1.2282: crash when passing many arguments through a partial Bram Moolenaar <Bram@vim.org> parents: 18572 diff changeset	2067 if (eval_result != NULL)
e9675870c480 patch 8.1.2282: crash when passing many arguments through a partial Bram Moolenaar <Bram@vim.org> parents: 18572 diff changeset	2068 eval_result = vim_strsave(eval_result);
e9675870c480 patch 8.1.2282: crash when passing many arguments through a partial Bram Moolenaar <Bram@vim.org> parents: 18572 diff changeset	2069 }
9626 172131507c85 commit https://github.com/vim/vim/commit/df48fb456fb6bf63d94cad9b302ff01d8ee8d311 Christian Brabandt <cb@256bit.org> parents: 9589 diff changeset	2070 clear_tv(&rettv);
9589 bf204ab1ce7d commit https://github.com/vim/vim/commit/72ab729c3dcdea0fba44d8e676602c847e841bcd Christian Brabandt <cb@256bit.org> parents: 9015 diff changeset	2071 }
bf204ab1ce7d commit https://github.com/vim/vim/commit/72ab729c3dcdea0fba44d8e676602c847e841bcd Christian Brabandt <cb@256bit.org> parents: 9015 diff changeset	2072 else
20996 3af71cbcfdbe patch 8.2.1049: Vim9: leaking memory when using continuation line Bram Moolenaar <Bram@vim.org> parents: 20830 diff changeset	2073 eval_result = eval_to_string(source + 2, TRUE);
9589 bf204ab1ce7d commit https://github.com/vim/vim/commit/72ab729c3dcdea0fba44d8e676602c847e841bcd Christian Brabandt <cb@256bit.org> parents: 9015 diff changeset	2074
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2075 if (eval_result != NULL)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2076 {
2125 b8744d1982d1 updated for version 7.2.407 Bram Moolenaar <bram@zimbu.org> parents: 2012 diff changeset	2077 int had_backslash = FALSE;
b8744d1982d1 updated for version 7.2.407 Bram Moolenaar <bram@zimbu.org> parents: 2012 diff changeset	2078
11127 506f5d8b7d8b patch 8.0.0451: some macros are in lower case Christian Brabandt <cb@256bit.org> parents: 11121 diff changeset	2079 for (s = eval_result; *s != NUL; MB_PTR_ADV(s))
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2080 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	2081 // Change NL to CR, so that it becomes a line break,
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	2082 // unless called from vim_regexec_nl().
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	2083 // Skip over a backslashed character.
10245 d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10187 diff changeset	2084 if (*s == NL && !rsm.sm_line_lbr)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2085 *s = CAR;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2086 else if (*s == '\\' && s[1] != NUL)
2125 b8744d1982d1 updated for version 7.2.407 Bram Moolenaar <bram@zimbu.org> parents: 2012 diff changeset	2087 {
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2088 ++s;
2173 ecb9c2b70b0f updated for version 7.2.437 Bram Moolenaar <bram@vim.org> parents: 2125 diff changeset	2089 /* Change NL to CR here too, so that this works:
ecb9c2b70b0f updated for version 7.2.437 Bram Moolenaar <bram@vim.org> parents: 2125 diff changeset	2090 * :s/abc\\\ndef/\="aaa\\\nbbb"/ on text:
ecb9c2b70b0f updated for version 7.2.437 Bram Moolenaar <bram@vim.org> parents: 2125 diff changeset	2091 * abc\
ecb9c2b70b0f updated for version 7.2.437 Bram Moolenaar <bram@vim.org> parents: 2125 diff changeset	2092 * def
2904 c249d9aa60f7 updated for version 7.3.225 Bram Moolenaar <bram@vim.org> parents: 2578 diff changeset	2093 * Not when called from vim_regexec_nl().
2173 ecb9c2b70b0f updated for version 7.2.437 Bram Moolenaar <bram@vim.org> parents: 2125 diff changeset	2094 */
10245 d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10187 diff changeset	2095 if (*s == NL && !rsm.sm_line_lbr)
2173 ecb9c2b70b0f updated for version 7.2.437 Bram Moolenaar <bram@vim.org> parents: 2125 diff changeset	2096 *s = CAR;
2125 b8744d1982d1 updated for version 7.2.407 Bram Moolenaar <bram@zimbu.org> parents: 2012 diff changeset	2097 had_backslash = TRUE;
b8744d1982d1 updated for version 7.2.407 Bram Moolenaar <bram@zimbu.org> parents: 2012 diff changeset	2098 }
b8744d1982d1 updated for version 7.2.407 Bram Moolenaar <bram@zimbu.org> parents: 2012 diff changeset	2099 }
b8744d1982d1 updated for version 7.2.407 Bram Moolenaar <bram@zimbu.org> parents: 2012 diff changeset	2100 if (had_backslash && backslash)
b8744d1982d1 updated for version 7.2.407 Bram Moolenaar <bram@zimbu.org> parents: 2012 diff changeset	2101 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	2102 // Backslashes will be consumed, need to double them.
2125 b8744d1982d1 updated for version 7.2.407 Bram Moolenaar <bram@zimbu.org> parents: 2012 diff changeset	2103 s = vim_strsave_escaped(eval_result, (char_u *)"\\");
b8744d1982d1 updated for version 7.2.407 Bram Moolenaar <bram@zimbu.org> parents: 2012 diff changeset	2104 if (s != NULL)
b8744d1982d1 updated for version 7.2.407 Bram Moolenaar <bram@zimbu.org> parents: 2012 diff changeset	2105 {
b8744d1982d1 updated for version 7.2.407 Bram Moolenaar <bram@zimbu.org> parents: 2012 diff changeset	2106 vim_free(eval_result);
b8744d1982d1 updated for version 7.2.407 Bram Moolenaar <bram@zimbu.org> parents: 2012 diff changeset	2107 eval_result = s;
b8744d1982d1 updated for version 7.2.407 Bram Moolenaar <bram@zimbu.org> parents: 2012 diff changeset	2108 }
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2109 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2110
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2111 dst += STRLEN(eval_result);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2112 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2113
10245 d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10187 diff changeset	2114 can_f_submatch = prev_can_f_submatch;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10187 diff changeset	2115 if (can_f_submatch)
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10187 diff changeset	2116 rsm = rsm_save;
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2117 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2118 #endif
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2119 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2120 else
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2121 while ((c = *src++) != NUL)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2122 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2123 if (c == '&' && magic)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2124 no = 0;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2125 else if (c == '\\' && *src != NUL)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2126 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2127 if (*src == '&' && !magic)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2128 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2129 ++src;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2130 no = 0;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2131 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2132 else if ('0' <= src && src <= '9')
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2133 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2134 no = *src++ - '0';
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2135 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2136 else if (vim_strchr((char_u )"uUlLeE", src))
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2137 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2138 switch (*src++)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2139 {
4244 7faeece39228 updated for version 7.3.873 Bram Moolenaar <bram@vim.org> parents: 4176 diff changeset	2140 case 'u': func_one = (fptr_T)do_upper;
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2141 continue;
4244 7faeece39228 updated for version 7.3.873 Bram Moolenaar <bram@vim.org> parents: 4176 diff changeset	2142 case 'U': func_all = (fptr_T)do_Upper;
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2143 continue;
4244 7faeece39228 updated for version 7.3.873 Bram Moolenaar <bram@vim.org> parents: 4176 diff changeset	2144 case 'l': func_one = (fptr_T)do_lower;
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2145 continue;
4244 7faeece39228 updated for version 7.3.873 Bram Moolenaar <bram@vim.org> parents: 4176 diff changeset	2146 case 'L': func_all = (fptr_T)do_Lower;
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2147 continue;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2148 case 'e':
4244 7faeece39228 updated for version 7.3.873 Bram Moolenaar <bram@vim.org> parents: 4176 diff changeset	2149 case 'E': func_one = func_all = (fptr_T)NULL;
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2150 continue;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2151 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2152 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2153 }
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	2154 if (no < 0) // Ordinary character.
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2155 {
798 95dac6af3b3a updated for version 7.0232 vimboss parents: 772 diff changeset	2156 if (c == K_SPECIAL && src[0] != NUL && src[1] != NUL)
95dac6af3b3a updated for version 7.0232 vimboss parents: 772 diff changeset	2157 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	2158 // Copy a special key as-is.
798 95dac6af3b3a updated for version 7.0232 vimboss parents: 772 diff changeset	2159 if (copy)
95dac6af3b3a updated for version 7.0232 vimboss parents: 772 diff changeset	2160 {
95dac6af3b3a updated for version 7.0232 vimboss parents: 772 diff changeset	2161 *dst++ = c;
95dac6af3b3a updated for version 7.0232 vimboss parents: 772 diff changeset	2162 dst++ = src++;
95dac6af3b3a updated for version 7.0232 vimboss parents: 772 diff changeset	2163 dst++ = src++;
95dac6af3b3a updated for version 7.0232 vimboss parents: 772 diff changeset	2164 }
95dac6af3b3a updated for version 7.0232 vimboss parents: 772 diff changeset	2165 else
95dac6af3b3a updated for version 7.0232 vimboss parents: 772 diff changeset	2166 {
95dac6af3b3a updated for version 7.0232 vimboss parents: 772 diff changeset	2167 dst += 3;
95dac6af3b3a updated for version 7.0232 vimboss parents: 772 diff changeset	2168 src += 2;
95dac6af3b3a updated for version 7.0232 vimboss parents: 772 diff changeset	2169 }
95dac6af3b3a updated for version 7.0232 vimboss parents: 772 diff changeset	2170 continue;
95dac6af3b3a updated for version 7.0232 vimboss parents: 772 diff changeset	2171 }
95dac6af3b3a updated for version 7.0232 vimboss parents: 772 diff changeset	2172
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2173 if (c == '\\' && *src != NUL)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2174 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	2175 // Check for abbreviations -- webb
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2176 switch (*src)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2177 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2178 case 'r': c = CAR; ++src; break;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2179 case 'n': c = NL; ++src; break;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2180 case 't': c = TAB; ++src; break;
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	2181 // Oh no! \e already has meaning in subst pat :-(
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	2182 // case 'e': c = ESC; ++src; break;
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2183 case 'b': c = Ctrl_H; ++src; break;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2184
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	2185 // If "backslash" is TRUE the backslash will be removed
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	2186 // later. Used to insert a literal CR.
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2187 default: if (backslash)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2188 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2189 if (copy)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2190 *dst = '\\';
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2191 ++dst;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2192 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2193 c = *src++;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2194 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2195 }
798 95dac6af3b3a updated for version 7.0232 vimboss parents: 772 diff changeset	2196 else if (has_mbyte)
95dac6af3b3a updated for version 7.0232 vimboss parents: 772 diff changeset	2197 c = mb_ptr2char(src - 1);
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2198
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	2199 // Write to buffer, if copy is set.
4244 7faeece39228 updated for version 7.3.873 Bram Moolenaar <bram@vim.org> parents: 4176 diff changeset	2200 if (func_one != (fptr_T)NULL)
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	2201 // Turbo C complains without the typecast
4244 7faeece39228 updated for version 7.3.873 Bram Moolenaar <bram@vim.org> parents: 4176 diff changeset	2202 func_one = (fptr_T)(func_one(&cc, c));
7faeece39228 updated for version 7.3.873 Bram Moolenaar <bram@vim.org> parents: 4176 diff changeset	2203 else if (func_all != (fptr_T)NULL)
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	2204 // Turbo C complains without the typecast
4244 7faeece39228 updated for version 7.3.873 Bram Moolenaar <bram@vim.org> parents: 4176 diff changeset	2205 func_all = (fptr_T)(func_all(&cc, c));
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	2206 else // just copy
772 aaaca5077255 updated for version 7.0226 vimboss parents: 741 diff changeset	2207 cc = c;
aaaca5077255 updated for version 7.0226 vimboss parents: 741 diff changeset	2208
aaaca5077255 updated for version 7.0226 vimboss parents: 741 diff changeset	2209 if (has_mbyte)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2210 {
2307 81527f127fb1 Fix: Composing characters in :s substitute text were dropped. Bram Moolenaar <bram@vim.org> parents: 2247 diff changeset	2211 int totlen = mb_ptr2len(src - 1);
81527f127fb1 Fix: Composing characters in :s substitute text were dropped. Bram Moolenaar <bram@vim.org> parents: 2247 diff changeset	2212
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2213 if (copy)
772 aaaca5077255 updated for version 7.0226 vimboss parents: 741 diff changeset	2214 mb_char2bytes(cc, dst);
aaaca5077255 updated for version 7.0226 vimboss parents: 741 diff changeset	2215 dst += mb_char2len(cc) - 1;
2307 81527f127fb1 Fix: Composing characters in :s substitute text were dropped. Bram Moolenaar <bram@vim.org> parents: 2247 diff changeset	2216 if (enc_utf8)
81527f127fb1 Fix: Composing characters in :s substitute text were dropped. Bram Moolenaar <bram@vim.org> parents: 2247 diff changeset	2217 {
81527f127fb1 Fix: Composing characters in :s substitute text were dropped. Bram Moolenaar <bram@vim.org> parents: 2247 diff changeset	2218 int clen = utf_ptr2len(src - 1);
81527f127fb1 Fix: Composing characters in :s substitute text were dropped. Bram Moolenaar <bram@vim.org> parents: 2247 diff changeset	2219
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	2220 // If the character length is shorter than "totlen", there
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	2221 // are composing characters; copy them as-is.
2307 81527f127fb1 Fix: Composing characters in :s substitute text were dropped. Bram Moolenaar <bram@vim.org> parents: 2247 diff changeset	2222 if (clen < totlen)
81527f127fb1 Fix: Composing characters in :s substitute text were dropped. Bram Moolenaar <bram@vim.org> parents: 2247 diff changeset	2223 {
81527f127fb1 Fix: Composing characters in :s substitute text were dropped. Bram Moolenaar <bram@vim.org> parents: 2247 diff changeset	2224 if (copy)
81527f127fb1 Fix: Composing characters in :s substitute text were dropped. Bram Moolenaar <bram@vim.org> parents: 2247 diff changeset	2225 mch_memmove(dst + 1, src - 1 + clen,
81527f127fb1 Fix: Composing characters in :s substitute text were dropped. Bram Moolenaar <bram@vim.org> parents: 2247 diff changeset	2226 (size_t)(totlen - clen));
81527f127fb1 Fix: Composing characters in :s substitute text were dropped. Bram Moolenaar <bram@vim.org> parents: 2247 diff changeset	2227 dst += totlen - clen;
81527f127fb1 Fix: Composing characters in :s substitute text were dropped. Bram Moolenaar <bram@vim.org> parents: 2247 diff changeset	2228 }
81527f127fb1 Fix: Composing characters in :s substitute text were dropped. Bram Moolenaar <bram@vim.org> parents: 2247 diff changeset	2229 }
81527f127fb1 Fix: Composing characters in :s substitute text were dropped. Bram Moolenaar <bram@vim.org> parents: 2247 diff changeset	2230 src += totlen - 1;
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2231 }
15603 639b8318472c patch 8.1.0809: too many #ifdefs Bram Moolenaar <Bram@vim.org> parents: 15555 diff changeset	2232 else if (copy)
772 aaaca5077255 updated for version 7.0226 vimboss parents: 741 diff changeset	2233 *dst = cc;
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2234 dst++;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2235 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2236 else
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2237 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2238 if (REG_MULTI)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2239 {
10245 d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10187 diff changeset	2240 clnum = rex.reg_mmatch->startpos[no].lnum;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10187 diff changeset	2241 if (clnum < 0 \|\| rex.reg_mmatch->endpos[no].lnum < 0)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2242 s = NULL;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2243 else
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2244 {
10245 d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10187 diff changeset	2245 s = reg_getline(clnum) + rex.reg_mmatch->startpos[no].col;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10187 diff changeset	2246 if (rex.reg_mmatch->endpos[no].lnum == clnum)
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10187 diff changeset	2247 len = rex.reg_mmatch->endpos[no].col
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10187 diff changeset	2248 - rex.reg_mmatch->startpos[no].col;
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2249 else
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2250 len = (int)STRLEN(s);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2251 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2252 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2253 else
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2254 {
10245 d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10187 diff changeset	2255 s = rex.reg_match->startp[no];
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10187 diff changeset	2256 if (rex.reg_match->endp[no] == NULL)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2257 s = NULL;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2258 else
10245 d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10187 diff changeset	2259 len = (int)(rex.reg_match->endp[no] - s);
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2260 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2261 if (s != NULL)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2262 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2263 for (;;)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2264 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2265 if (len == 0)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2266 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2267 if (REG_MULTI)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2268 {
10245 d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10187 diff changeset	2269 if (rex.reg_mmatch->endpos[no].lnum == clnum)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2270 break;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2271 if (copy)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2272 *dst = CAR;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2273 ++dst;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2274 s = reg_getline(++clnum);
10245 d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10187 diff changeset	2275 if (rex.reg_mmatch->endpos[no].lnum == clnum)
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10187 diff changeset	2276 len = rex.reg_mmatch->endpos[no].col;
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2277 else
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2278 len = (int)STRLEN(s);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2279 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2280 else
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2281 break;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2282 }
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	2283 else if (*s == NUL) // we hit NUL.
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2284 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2285 if (copy)
22167 740b16b3c80b patch 8.2.1633: some error messages are internal but do not use iemsg() Bram Moolenaar <Bram@vim.org> parents: 22151 diff changeset	2286 iemsg(_(e_re_damg));
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2287 goto exit;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2288 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2289 else
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2290 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2291 if (backslash && (s == CAR \|\| s == '\\'))
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2292 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2293 /*
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2294 * Insert a backslash in front of a CR, otherwise
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2295 * it will be replaced by a line break.
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2296 * Number of backslashes will be halved later,
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2297 * double them here.
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2298 */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2299 if (copy)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2300 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2301 dst[0] = '\\';
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2302 dst[1] = *s;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2303 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2304 dst += 2;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2305 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2306 else
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2307 {
772 aaaca5077255 updated for version 7.0226 vimboss parents: 741 diff changeset	2308 if (has_mbyte)
aaaca5077255 updated for version 7.0226 vimboss parents: 741 diff changeset	2309 c = mb_ptr2char(s);
aaaca5077255 updated for version 7.0226 vimboss parents: 741 diff changeset	2310 else
aaaca5077255 updated for version 7.0226 vimboss parents: 741 diff changeset	2311 c = *s;
aaaca5077255 updated for version 7.0226 vimboss parents: 741 diff changeset	2312
4244 7faeece39228 updated for version 7.3.873 Bram Moolenaar <bram@vim.org> parents: 4176 diff changeset	2313 if (func_one != (fptr_T)NULL)
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	2314 // Turbo C complains without the typecast
4244 7faeece39228 updated for version 7.3.873 Bram Moolenaar <bram@vim.org> parents: 4176 diff changeset	2315 func_one = (fptr_T)(func_one(&cc, c));
7faeece39228 updated for version 7.3.873 Bram Moolenaar <bram@vim.org> parents: 4176 diff changeset	2316 else if (func_all != (fptr_T)NULL)
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	2317 // Turbo C complains without the typecast
4244 7faeece39228 updated for version 7.3.873 Bram Moolenaar <bram@vim.org> parents: 4176 diff changeset	2318 func_all = (fptr_T)(func_all(&cc, c));
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	2319 else // just copy
772 aaaca5077255 updated for version 7.0226 vimboss parents: 741 diff changeset	2320 cc = c;
aaaca5077255 updated for version 7.0226 vimboss parents: 741 diff changeset	2321
aaaca5077255 updated for version 7.0226 vimboss parents: 741 diff changeset	2322 if (has_mbyte)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2323 {
1332 6d421b3c485b updated for version 7.1-046 vimboss parents: 1209 diff changeset	2324 int l;
6d421b3c485b updated for version 7.1-046 vimboss parents: 1209 diff changeset	2325
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	2326 // Copy composing characters separately, one
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	2327 // at a time.
1332 6d421b3c485b updated for version 7.1-046 vimboss parents: 1209 diff changeset	2328 if (enc_utf8)
6d421b3c485b updated for version 7.1-046 vimboss parents: 1209 diff changeset	2329 l = utf_ptr2len(s) - 1;
6d421b3c485b updated for version 7.1-046 vimboss parents: 1209 diff changeset	2330 else
6d421b3c485b updated for version 7.1-046 vimboss parents: 1209 diff changeset	2331 l = mb_ptr2len(s) - 1;
772 aaaca5077255 updated for version 7.0226 vimboss parents: 741 diff changeset	2332
aaaca5077255 updated for version 7.0226 vimboss parents: 741 diff changeset	2333 s += l;
aaaca5077255 updated for version 7.0226 vimboss parents: 741 diff changeset	2334 len -= l;
aaaca5077255 updated for version 7.0226 vimboss parents: 741 diff changeset	2335 if (copy)
aaaca5077255 updated for version 7.0226 vimboss parents: 741 diff changeset	2336 mb_char2bytes(cc, dst);
aaaca5077255 updated for version 7.0226 vimboss parents: 741 diff changeset	2337 dst += mb_char2len(cc) - 1;
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2338 }
15603 639b8318472c patch 8.1.0809: too many #ifdefs Bram Moolenaar <Bram@vim.org> parents: 15555 diff changeset	2339 else if (copy)
772 aaaca5077255 updated for version 7.0226 vimboss parents: 741 diff changeset	2340 *dst = cc;
aaaca5077255 updated for version 7.0226 vimboss parents: 741 diff changeset	2341 dst++;
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2342 }
772 aaaca5077255 updated for version 7.0226 vimboss parents: 741 diff changeset	2343
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2344 ++s;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2345 --len;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2346 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2347 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2348 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2349 no = -1;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2350 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2351 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2352 if (copy)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2353 *dst = NUL;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2354
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2355 exit:
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2356 return (int)((dst - dest) + 1);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2357 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2358
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2359 #ifdef FEAT_EVAL
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2360 /*
2011 a3a4be6bdcdd updated for version 7.2-308 vimboss parents: 2010 diff changeset	2361 * Call reg_getline() with the line numbers from the submatch. If a
a3a4be6bdcdd updated for version 7.2-308 vimboss parents: 2010 diff changeset	2362 * substitute() was used the reg_maxline and other values have been
a3a4be6bdcdd updated for version 7.2-308 vimboss parents: 2010 diff changeset	2363 * overwritten.
a3a4be6bdcdd updated for version 7.2-308 vimboss parents: 2010 diff changeset	2364 */
a3a4be6bdcdd updated for version 7.2-308 vimboss parents: 2010 diff changeset	2365 static char_u *
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7807 diff changeset	2366 reg_getline_submatch(linenr_T lnum)
2011 a3a4be6bdcdd updated for version 7.2-308 vimboss parents: 2010 diff changeset	2367 {
a3a4be6bdcdd updated for version 7.2-308 vimboss parents: 2010 diff changeset	2368 char_u *s;
10245 d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10187 diff changeset	2369 linenr_T save_first = rex.reg_firstlnum;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10187 diff changeset	2370 linenr_T save_max = rex.reg_maxline;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10187 diff changeset	2371
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10187 diff changeset	2372 rex.reg_firstlnum = rsm.sm_firstlnum;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10187 diff changeset	2373 rex.reg_maxline = rsm.sm_maxline;
2011 a3a4be6bdcdd updated for version 7.2-308 vimboss parents: 2010 diff changeset	2374
a3a4be6bdcdd updated for version 7.2-308 vimboss parents: 2010 diff changeset	2375 s = reg_getline(lnum);
a3a4be6bdcdd updated for version 7.2-308 vimboss parents: 2010 diff changeset	2376
10245 d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10187 diff changeset	2377 rex.reg_firstlnum = save_first;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10187 diff changeset	2378 rex.reg_maxline = save_max;
2011 a3a4be6bdcdd updated for version 7.2-308 vimboss parents: 2010 diff changeset	2379 return s;
a3a4be6bdcdd updated for version 7.2-308 vimboss parents: 2010 diff changeset	2380 }
a3a4be6bdcdd updated for version 7.2-308 vimboss parents: 2010 diff changeset	2381
a3a4be6bdcdd updated for version 7.2-308 vimboss parents: 2010 diff changeset	2382 /*
1209 070f2ac50cf8 updated for version 7.1b vimboss parents: 1148 diff changeset	2383 * Used for the submatch() function: get the string from the n'th submatch in
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2384 * allocated memory.
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2385 * Returns NULL when not in a ":s" command and for a non-existing submatch.
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2386 */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2387 char_u *
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7807 diff changeset	2388 reg_submatch(int no)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2389 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2390 char_u *retval = NULL;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2391 char_u *s;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2392 int len;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2393 int round;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2394 linenr_T lnum;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2395
840 2c885fab04e3 updated for version 7.0e06 vimboss parents: 798 diff changeset	2396 if (!can_f_submatch \|\| no < 0)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2397 return NULL;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2398
10245 d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10187 diff changeset	2399 if (rsm.sm_match == NULL)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2400 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2401 /*
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2402 * First round: compute the length and allocate memory.
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2403 * Second round: copy the text.
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2404 */
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2405 for (round = 1; round <= 2; ++round)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2406 {
10245 d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10187 diff changeset	2407 lnum = rsm.sm_mmatch->startpos[no].lnum;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10187 diff changeset	2408 if (lnum < 0 \|\| rsm.sm_mmatch->endpos[no].lnum < 0)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2409 return NULL;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2410
16040 13ab270dd68d patch 8.1.1025: checking NULL pointer after addition Bram Moolenaar <Bram@vim.org> parents: 15967 diff changeset	2411 s = reg_getline_submatch(lnum);
13ab270dd68d patch 8.1.1025: checking NULL pointer after addition Bram Moolenaar <Bram@vim.org> parents: 15967 diff changeset	2412 if (s == NULL) // anti-crash check, cannot happen?
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2413 break;
16040 13ab270dd68d patch 8.1.1025: checking NULL pointer after addition Bram Moolenaar <Bram@vim.org> parents: 15967 diff changeset	2414 s += rsm.sm_mmatch->startpos[no].col;
10245 d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10187 diff changeset	2415 if (rsm.sm_mmatch->endpos[no].lnum == lnum)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2416 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	2417 // Within one line: take form start to end col.
10245 d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10187 diff changeset	2418 len = rsm.sm_mmatch->endpos[no].col
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10187 diff changeset	2419 - rsm.sm_mmatch->startpos[no].col;
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2420 if (round == 2)
418 84825cc6f049 updated for version 7.0109 vimboss parents: 410 diff changeset	2421 vim_strncpy(retval, s, len);
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2422 ++len;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2423 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2424 else
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2425 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	2426 // Multiple lines: take start line from start col, middle
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	2427 // lines completely and end line up to end col.
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2428 len = (int)STRLEN(s);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2429 if (round == 2)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2430 {
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2431 STRCPY(retval, s);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2432 retval[len] = '\n';
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2433 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2434 ++len;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2435 ++lnum;
10245 d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10187 diff changeset	2436 while (lnum < rsm.sm_mmatch->endpos[no].lnum)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2437 {
2011 a3a4be6bdcdd updated for version 7.2-308 vimboss parents: 2010 diff changeset	2438 s = reg_getline_submatch(lnum++);
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2439 if (round == 2)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2440 STRCPY(retval + len, s);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2441 len += (int)STRLEN(s);
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2442 if (round == 2)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2443 retval[len] = '\n';
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2444 ++len;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2445 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2446 if (round == 2)
2011 a3a4be6bdcdd updated for version 7.2-308 vimboss parents: 2010 diff changeset	2447 STRNCPY(retval + len, reg_getline_submatch(lnum),
10245 d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10187 diff changeset	2448 rsm.sm_mmatch->endpos[no].col);
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10187 diff changeset	2449 len += rsm.sm_mmatch->endpos[no].col;
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2450 if (round == 2)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2451 retval[len] = NUL;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2452 ++len;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2453 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2454
840 2c885fab04e3 updated for version 7.0e06 vimboss parents: 798 diff changeset	2455 if (retval == NULL)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2456 {
16768 695d9ef00b03 patch 8.1.1386: unessesary type casts for lalloc() Bram Moolenaar <Bram@vim.org> parents: 16764 diff changeset	2457 retval = alloc(len);
840 2c885fab04e3 updated for version 7.0e06 vimboss parents: 798 diff changeset	2458 if (retval == NULL)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2459 return NULL;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2460 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2461 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2462 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2463 else
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2464 {
10245 d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10187 diff changeset	2465 s = rsm.sm_match->startp[no];
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10187 diff changeset	2466 if (s == NULL \|\| rsm.sm_match->endp[no] == NULL)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2467 retval = NULL;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2468 else
20830 9064044fd4f6 patch 8.2.0967: unnecessary type casts for vim_strnsave() Bram Moolenaar <Bram@vim.org> parents: 20113 diff changeset	2469 retval = vim_strnsave(s, rsm.sm_match->endp[no] - s);
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2470 }
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2471
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2472 return retval;
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2473 }
5794 a63d0cd691dc updated for version 7.4.241 Bram Moolenaar <bram@vim.org> parents: 5735 diff changeset	2474
a63d0cd691dc updated for version 7.4.241 Bram Moolenaar <bram@vim.org> parents: 5735 diff changeset	2475 /*
a63d0cd691dc updated for version 7.4.241 Bram Moolenaar <bram@vim.org> parents: 5735 diff changeset	2476 * Used for the submatch() function with the optional non-zero argument: get
a63d0cd691dc updated for version 7.4.241 Bram Moolenaar <bram@vim.org> parents: 5735 diff changeset	2477 * the list of strings from the n'th submatch in allocated memory with NULs
a63d0cd691dc updated for version 7.4.241 Bram Moolenaar <bram@vim.org> parents: 5735 diff changeset	2478 * represented in NLs.
a63d0cd691dc updated for version 7.4.241 Bram Moolenaar <bram@vim.org> parents: 5735 diff changeset	2479 * Returns a list of allocated strings. Returns NULL when not in a ":s"
a63d0cd691dc updated for version 7.4.241 Bram Moolenaar <bram@vim.org> parents: 5735 diff changeset	2480 * command, for a non-existing submatch and for any error.
a63d0cd691dc updated for version 7.4.241 Bram Moolenaar <bram@vim.org> parents: 5735 diff changeset	2481 */
a63d0cd691dc updated for version 7.4.241 Bram Moolenaar <bram@vim.org> parents: 5735 diff changeset	2482 list_T *
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7807 diff changeset	2483 reg_submatch_list(int no)
5794 a63d0cd691dc updated for version 7.4.241 Bram Moolenaar <bram@vim.org> parents: 5735 diff changeset	2484 {
a63d0cd691dc updated for version 7.4.241 Bram Moolenaar <bram@vim.org> parents: 5735 diff changeset	2485 char_u *s;
a63d0cd691dc updated for version 7.4.241 Bram Moolenaar <bram@vim.org> parents: 5735 diff changeset	2486 linenr_T slnum;
a63d0cd691dc updated for version 7.4.241 Bram Moolenaar <bram@vim.org> parents: 5735 diff changeset	2487 linenr_T elnum;
a63d0cd691dc updated for version 7.4.241 Bram Moolenaar <bram@vim.org> parents: 5735 diff changeset	2488 colnr_T scol;
a63d0cd691dc updated for version 7.4.241 Bram Moolenaar <bram@vim.org> parents: 5735 diff changeset	2489 colnr_T ecol;
a63d0cd691dc updated for version 7.4.241 Bram Moolenaar <bram@vim.org> parents: 5735 diff changeset	2490 int i;
a63d0cd691dc updated for version 7.4.241 Bram Moolenaar <bram@vim.org> parents: 5735 diff changeset	2491 list_T *list;
a63d0cd691dc updated for version 7.4.241 Bram Moolenaar <bram@vim.org> parents: 5735 diff changeset	2492 int error = FALSE;
a63d0cd691dc updated for version 7.4.241 Bram Moolenaar <bram@vim.org> parents: 5735 diff changeset	2493
a63d0cd691dc updated for version 7.4.241 Bram Moolenaar <bram@vim.org> parents: 5735 diff changeset	2494 if (!can_f_submatch \|\| no < 0)
a63d0cd691dc updated for version 7.4.241 Bram Moolenaar <bram@vim.org> parents: 5735 diff changeset	2495 return NULL;
a63d0cd691dc updated for version 7.4.241 Bram Moolenaar <bram@vim.org> parents: 5735 diff changeset	2496
10245 d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10187 diff changeset	2497 if (rsm.sm_match == NULL)
5794 a63d0cd691dc updated for version 7.4.241 Bram Moolenaar <bram@vim.org> parents: 5735 diff changeset	2498 {
10245 d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10187 diff changeset	2499 slnum = rsm.sm_mmatch->startpos[no].lnum;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10187 diff changeset	2500 elnum = rsm.sm_mmatch->endpos[no].lnum;
5794 a63d0cd691dc updated for version 7.4.241 Bram Moolenaar <bram@vim.org> parents: 5735 diff changeset	2501 if (slnum < 0 \|\| elnum < 0)
a63d0cd691dc updated for version 7.4.241 Bram Moolenaar <bram@vim.org> parents: 5735 diff changeset	2502 return NULL;
a63d0cd691dc updated for version 7.4.241 Bram Moolenaar <bram@vim.org> parents: 5735 diff changeset	2503
10245 d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10187 diff changeset	2504 scol = rsm.sm_mmatch->startpos[no].col;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10187 diff changeset	2505 ecol = rsm.sm_mmatch->endpos[no].col;
5794 a63d0cd691dc updated for version 7.4.241 Bram Moolenaar <bram@vim.org> parents: 5735 diff changeset	2506
a63d0cd691dc updated for version 7.4.241 Bram Moolenaar <bram@vim.org> parents: 5735 diff changeset	2507 list = list_alloc();
a63d0cd691dc updated for version 7.4.241 Bram Moolenaar <bram@vim.org> parents: 5735 diff changeset	2508 if (list == NULL)
a63d0cd691dc updated for version 7.4.241 Bram Moolenaar <bram@vim.org> parents: 5735 diff changeset	2509 return NULL;
a63d0cd691dc updated for version 7.4.241 Bram Moolenaar <bram@vim.org> parents: 5735 diff changeset	2510
a63d0cd691dc updated for version 7.4.241 Bram Moolenaar <bram@vim.org> parents: 5735 diff changeset	2511 s = reg_getline_submatch(slnum) + scol;
a63d0cd691dc updated for version 7.4.241 Bram Moolenaar <bram@vim.org> parents: 5735 diff changeset	2512 if (slnum == elnum)
a63d0cd691dc updated for version 7.4.241 Bram Moolenaar <bram@vim.org> parents: 5735 diff changeset	2513 {
a63d0cd691dc updated for version 7.4.241 Bram Moolenaar <bram@vim.org> parents: 5735 diff changeset	2514 if (list_append_string(list, s, ecol - scol) == FAIL)
a63d0cd691dc updated for version 7.4.241 Bram Moolenaar <bram@vim.org> parents: 5735 diff changeset	2515 error = TRUE;
a63d0cd691dc updated for version 7.4.241 Bram Moolenaar <bram@vim.org> parents: 5735 diff changeset	2516 }
a63d0cd691dc updated for version 7.4.241 Bram Moolenaar <bram@vim.org> parents: 5735 diff changeset	2517 else
a63d0cd691dc updated for version 7.4.241 Bram Moolenaar <bram@vim.org> parents: 5735 diff changeset	2518 {
a63d0cd691dc updated for version 7.4.241 Bram Moolenaar <bram@vim.org> parents: 5735 diff changeset	2519 if (list_append_string(list, s, -1) == FAIL)
a63d0cd691dc updated for version 7.4.241 Bram Moolenaar <bram@vim.org> parents: 5735 diff changeset	2520 error = TRUE;
a63d0cd691dc updated for version 7.4.241 Bram Moolenaar <bram@vim.org> parents: 5735 diff changeset	2521 for (i = 1; i < elnum - slnum; i++)
a63d0cd691dc updated for version 7.4.241 Bram Moolenaar <bram@vim.org> parents: 5735 diff changeset	2522 {
a63d0cd691dc updated for version 7.4.241 Bram Moolenaar <bram@vim.org> parents: 5735 diff changeset	2523 s = reg_getline_submatch(slnum + i);
a63d0cd691dc updated for version 7.4.241 Bram Moolenaar <bram@vim.org> parents: 5735 diff changeset	2524 if (list_append_string(list, s, -1) == FAIL)
a63d0cd691dc updated for version 7.4.241 Bram Moolenaar <bram@vim.org> parents: 5735 diff changeset	2525 error = TRUE;
a63d0cd691dc updated for version 7.4.241 Bram Moolenaar <bram@vim.org> parents: 5735 diff changeset	2526 }
a63d0cd691dc updated for version 7.4.241 Bram Moolenaar <bram@vim.org> parents: 5735 diff changeset	2527 s = reg_getline_submatch(elnum);
a63d0cd691dc updated for version 7.4.241 Bram Moolenaar <bram@vim.org> parents: 5735 diff changeset	2528 if (list_append_string(list, s, ecol) == FAIL)
a63d0cd691dc updated for version 7.4.241 Bram Moolenaar <bram@vim.org> parents: 5735 diff changeset	2529 error = TRUE;
a63d0cd691dc updated for version 7.4.241 Bram Moolenaar <bram@vim.org> parents: 5735 diff changeset	2530 }
a63d0cd691dc updated for version 7.4.241 Bram Moolenaar <bram@vim.org> parents: 5735 diff changeset	2531 }
a63d0cd691dc updated for version 7.4.241 Bram Moolenaar <bram@vim.org> parents: 5735 diff changeset	2532 else
a63d0cd691dc updated for version 7.4.241 Bram Moolenaar <bram@vim.org> parents: 5735 diff changeset	2533 {
10245 d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10187 diff changeset	2534 s = rsm.sm_match->startp[no];
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10187 diff changeset	2535 if (s == NULL \|\| rsm.sm_match->endp[no] == NULL)
5794 a63d0cd691dc updated for version 7.4.241 Bram Moolenaar <bram@vim.org> parents: 5735 diff changeset	2536 return NULL;
a63d0cd691dc updated for version 7.4.241 Bram Moolenaar <bram@vim.org> parents: 5735 diff changeset	2537 list = list_alloc();
a63d0cd691dc updated for version 7.4.241 Bram Moolenaar <bram@vim.org> parents: 5735 diff changeset	2538 if (list == NULL)
a63d0cd691dc updated for version 7.4.241 Bram Moolenaar <bram@vim.org> parents: 5735 diff changeset	2539 return NULL;
a63d0cd691dc updated for version 7.4.241 Bram Moolenaar <bram@vim.org> parents: 5735 diff changeset	2540 if (list_append_string(list, s,
10245 d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10187 diff changeset	2541 (int)(rsm.sm_match->endp[no] - s)) == FAIL)
5794 a63d0cd691dc updated for version 7.4.241 Bram Moolenaar <bram@vim.org> parents: 5735 diff changeset	2542 error = TRUE;
a63d0cd691dc updated for version 7.4.241 Bram Moolenaar <bram@vim.org> parents: 5735 diff changeset	2543 }
a63d0cd691dc updated for version 7.4.241 Bram Moolenaar <bram@vim.org> parents: 5735 diff changeset	2544
a63d0cd691dc updated for version 7.4.241 Bram Moolenaar <bram@vim.org> parents: 5735 diff changeset	2545 if (error)
a63d0cd691dc updated for version 7.4.241 Bram Moolenaar <bram@vim.org> parents: 5735 diff changeset	2546 {
8863 e1b84109506a commit https://github.com/vim/vim/commit/107e1eef1df3b786ad3ad49fbdb9e058649303b5 Christian Brabandt <cb@256bit.org> parents: 8825 diff changeset	2547 list_free(list);
5794 a63d0cd691dc updated for version 7.4.241 Bram Moolenaar <bram@vim.org> parents: 5735 diff changeset	2548 return NULL;
a63d0cd691dc updated for version 7.4.241 Bram Moolenaar <bram@vim.org> parents: 5735 diff changeset	2549 }
22143 3ec9e302ec94 patch 8.2.1621: crash when using submatch(0, 1) in substitute() Bram Moolenaar <Bram@vim.org> parents: 20996 diff changeset	2550 ++list->lv_refcount;
5794 a63d0cd691dc updated for version 7.4.241 Bram Moolenaar <bram@vim.org> parents: 5735 diff changeset	2551 return list;
a63d0cd691dc updated for version 7.4.241 Bram Moolenaar <bram@vim.org> parents: 5735 diff changeset	2552 }
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2553 #endif
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: 4244 diff changeset	2554
19405 08f4dc2ba716 patch 8.2.0260: several lines of code are duplicated Bram Moolenaar <Bram@vim.org> parents: 19384 diff changeset	2555 /*
08f4dc2ba716 patch 8.2.0260: several lines of code are duplicated Bram Moolenaar <Bram@vim.org> parents: 19384 diff changeset	2556 * Initialize the values used for matching against multiple lines
08f4dc2ba716 patch 8.2.0260: several lines of code are duplicated Bram Moolenaar <Bram@vim.org> parents: 19384 diff changeset	2557 */
08f4dc2ba716 patch 8.2.0260: several lines of code are duplicated Bram Moolenaar <Bram@vim.org> parents: 19384 diff changeset	2558 static void
08f4dc2ba716 patch 8.2.0260: several lines of code are duplicated Bram Moolenaar <Bram@vim.org> parents: 19384 diff changeset	2559 init_regexec_multi(
08f4dc2ba716 patch 8.2.0260: several lines of code are duplicated Bram Moolenaar <Bram@vim.org> parents: 19384 diff changeset	2560 regmmatch_T *rmp,
08f4dc2ba716 patch 8.2.0260: several lines of code are duplicated Bram Moolenaar <Bram@vim.org> parents: 19384 diff changeset	2561 win_T *win, // window in which to search or NULL
08f4dc2ba716 patch 8.2.0260: several lines of code are duplicated Bram Moolenaar <Bram@vim.org> parents: 19384 diff changeset	2562 buf_T *buf, // buffer in which to search
08f4dc2ba716 patch 8.2.0260: several lines of code are duplicated Bram Moolenaar <Bram@vim.org> parents: 19384 diff changeset	2563 linenr_T lnum) // nr of line to start looking for match
08f4dc2ba716 patch 8.2.0260: several lines of code are duplicated Bram Moolenaar <Bram@vim.org> parents: 19384 diff changeset	2564 {
08f4dc2ba716 patch 8.2.0260: several lines of code are duplicated Bram Moolenaar <Bram@vim.org> parents: 19384 diff changeset	2565 rex.reg_match = NULL;
08f4dc2ba716 patch 8.2.0260: several lines of code are duplicated Bram Moolenaar <Bram@vim.org> parents: 19384 diff changeset	2566 rex.reg_mmatch = rmp;
08f4dc2ba716 patch 8.2.0260: several lines of code are duplicated Bram Moolenaar <Bram@vim.org> parents: 19384 diff changeset	2567 rex.reg_buf = buf;
08f4dc2ba716 patch 8.2.0260: several lines of code are duplicated Bram Moolenaar <Bram@vim.org> parents: 19384 diff changeset	2568 rex.reg_win = win;
08f4dc2ba716 patch 8.2.0260: several lines of code are duplicated Bram Moolenaar <Bram@vim.org> parents: 19384 diff changeset	2569 rex.reg_firstlnum = lnum;
08f4dc2ba716 patch 8.2.0260: several lines of code are duplicated Bram Moolenaar <Bram@vim.org> parents: 19384 diff changeset	2570 rex.reg_maxline = rex.reg_buf->b_ml.ml_line_count - lnum;
08f4dc2ba716 patch 8.2.0260: several lines of code are duplicated Bram Moolenaar <Bram@vim.org> parents: 19384 diff changeset	2571 rex.reg_line_lbr = FALSE;
08f4dc2ba716 patch 8.2.0260: several lines of code are duplicated Bram Moolenaar <Bram@vim.org> parents: 19384 diff changeset	2572 rex.reg_ic = rmp->rmm_ic;
08f4dc2ba716 patch 8.2.0260: several lines of code are duplicated Bram Moolenaar <Bram@vim.org> parents: 19384 diff changeset	2573 rex.reg_icombine = FALSE;
08f4dc2ba716 patch 8.2.0260: several lines of code are duplicated Bram Moolenaar <Bram@vim.org> parents: 19384 diff changeset	2574 rex.reg_maxcol = rmp->rmm_maxcol;
08f4dc2ba716 patch 8.2.0260: several lines of code are duplicated Bram Moolenaar <Bram@vim.org> parents: 19384 diff changeset	2575 }
08f4dc2ba716 patch 8.2.0260: several lines of code are duplicated Bram Moolenaar <Bram@vim.org> parents: 19384 diff changeset	2576
18019 68fd5296bf73 patch 8.1.2005: the regexp.c file is too big Bram Moolenaar <Bram@vim.org> parents: 17966 diff changeset	2577 #include "regexp_bt.c"
68fd5296bf73 patch 8.1.2005: the regexp.c file is too big Bram Moolenaar <Bram@vim.org> parents: 17966 diff changeset	2578
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: 4244 diff changeset	2579 static regengine_T bt_regengine =
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: 4244 diff changeset	2580 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: 4244 diff changeset	2581 bt_regcomp,
4805 66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	2582 bt_regfree,
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: 4244 diff changeset	2583 bt_regexec_nl,
6328 adfbffe1e642 updated for version 7.4.497 Bram Moolenaar <bram@vim.org> parents: 6203 diff changeset	2584 bt_regexec_multi,
adfbffe1e642 updated for version 7.4.497 Bram Moolenaar <bram@vim.org> parents: 6203 diff changeset	2585 (char_u *)""
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: 4244 diff changeset	2586 };
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: 4244 diff changeset	2587
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: 4244 diff changeset	2588 #include "regexp_nfa.c"
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: 4244 diff changeset	2589
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: 4244 diff changeset	2590 static regengine_T nfa_regengine =
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: 4244 diff changeset	2591 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: 4244 diff changeset	2592 nfa_regcomp,
4805 66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	2593 nfa_regfree,
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: 4244 diff changeset	2594 nfa_regexec_nl,
6328 adfbffe1e642 updated for version 7.4.497 Bram Moolenaar <bram@vim.org> parents: 6203 diff changeset	2595 nfa_regexec_multi,
adfbffe1e642 updated for version 7.4.497 Bram Moolenaar <bram@vim.org> parents: 6203 diff changeset	2596 (char_u *)""
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: 4244 diff changeset	2597 };
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: 4244 diff changeset	2598
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	2599 // Which regexp engine to use? Needed for vim_regcomp().
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	2600 // Must match with 'regexpengine'.
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: 4244 diff changeset	2601 static int regexp_engine = 0;
6328 adfbffe1e642 updated for version 7.4.497 Bram Moolenaar <bram@vim.org> parents: 6203 diff changeset	2602
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: 4244 diff changeset	2603 #ifdef DEBUG
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: 4244 diff changeset	2604 static char_u regname[][30] = {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: 4244 diff changeset	2605 "AUTOMATIC Regexp Engine",
4579 7a2be4a39423 updated for version 7.3.1037 Bram Moolenaar <bram@vim.org> parents: 4505 diff changeset	2606 "BACKTRACKING Regexp Engine",
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: 4244 diff changeset	2607 "NFA Regexp Engine"
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: 4244 diff changeset	2608 };
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: 4244 diff changeset	2609 #endif
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: 4244 diff changeset	2610
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: 4244 diff changeset	2611 /*
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: 4244 diff changeset	2612 * Compile a regular expression into internal code.
4805 66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	2613 * Returns the program in allocated memory.
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	2614 * Use vim_regfree() to free the memory.
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	2615 * Returns NULL for an error.
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: 4244 diff changeset	2616 */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: 4244 diff changeset	2617 regprog_T *
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7807 diff changeset	2618 vim_regcomp(char_u *expr_arg, int re_flags)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: 4244 diff changeset	2619 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: 4244 diff changeset	2620 regprog_T *prog = NULL;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: 4244 diff changeset	2621 char_u *expr = expr_arg;
18949 5c405689da3e patch 8.2.0035: saving and restoring called_emsg is clumsy Bram Moolenaar <Bram@vim.org> parents: 18812 diff changeset	2622 int called_emsg_before;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: 4244 diff changeset	2623
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: 4244 diff changeset	2624 regexp_engine = p_re;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: 4244 diff changeset	2625
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	2626 // Check for prefix "\%#=", that sets the regexp engine
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: 4244 diff changeset	2627 if (STRNCMP(expr, "\\%#=", 4) == 0)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: 4244 diff changeset	2628 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: 4244 diff changeset	2629 int newengine = expr[4] - '0';
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: 4244 diff changeset	2630
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: 4244 diff changeset	2631 if (newengine == AUTOMATIC_ENGINE
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: 4244 diff changeset	2632 \|\| newengine == BACKTRACKING_ENGINE
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: 4244 diff changeset	2633 \|\| newengine == NFA_ENGINE)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: 4244 diff changeset	2634 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: 4244 diff changeset	2635 regexp_engine = expr[4] - '0';
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: 4244 diff changeset	2636 expr += 5;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: 4244 diff changeset	2637 #ifdef DEBUG
15470 55ccc2d353bd patch 8.1.0743: giving error messages is not flexible Bram Moolenaar <Bram@vim.org> parents: 15339 diff changeset	2638 smsg("New regexp mode selected (%d): %s",
5897 b5972833add9 updated for version 7.4.291 Bram Moolenaar <bram@vim.org> parents: 5838 diff changeset	2639 regexp_engine, regname[newengine]);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: 4244 diff changeset	2640 #endif
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: 4244 diff changeset	2641 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: 4244 diff changeset	2642 else
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: 4244 diff changeset	2643 {
15470 55ccc2d353bd patch 8.1.0743: giving error messages is not flexible Bram Moolenaar <Bram@vim.org> parents: 15339 diff changeset	2644 emsg(_("E864: \\%#= can only be followed by 0, 1, or 2. The automatic engine will be used "));
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: 4244 diff changeset	2645 regexp_engine = AUTOMATIC_ENGINE;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: 4244 diff changeset	2646 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: 4244 diff changeset	2647 }
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14169 diff changeset	2648 #ifdef DEBUG
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: 4244 diff changeset	2649 bt_regengine.expr = expr;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: 4244 diff changeset	2650 nfa_regengine.expr = expr;
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14169 diff changeset	2651 #endif
15856 e44b7caaf373 patch 8.1.0935: old regexp engine may use invalid buffer Bram Moolenaar <Bram@vim.org> parents: 15854 diff changeset	2652 // reg_iswordc() uses rex.reg_buf
e44b7caaf373 patch 8.1.0935: old regexp engine may use invalid buffer Bram Moolenaar <Bram@vim.org> parents: 15854 diff changeset	2653 rex.reg_buf = curbuf;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: 4244 diff changeset	2654
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: 4244 diff changeset	2655 /*
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: 4244 diff changeset	2656 * First try the NFA engine, unless backtracking was requested.
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: 4244 diff changeset	2657 */
18949 5c405689da3e patch 8.2.0035: saving and restoring called_emsg is clumsy Bram Moolenaar <Bram@vim.org> parents: 18812 diff changeset	2658 called_emsg_before = called_emsg;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: 4244 diff changeset	2659 if (regexp_engine != BACKTRACKING_ENGINE)
13244 ac42c4b11dbc patch 8.0.1496: clearing a pointer takes two lines Christian Brabandt <cb@256bit.org> parents: 12752 diff changeset	2660 prog = nfa_regengine.regcomp(expr,
6533 bdc8e71633e4 updated for version 7.4.593 Bram Moolenaar <bram@vim.org> parents: 6390 diff changeset	2661 re_flags + (regexp_engine == AUTOMATIC_ENGINE ? RE_AUTO : 0));
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: 4244 diff changeset	2662 else
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: 4244 diff changeset	2663 prog = bt_regengine.regcomp(expr, re_flags);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: 4244 diff changeset	2664
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	2665 // Check for error compiling regexp with initial engine.
6328 adfbffe1e642 updated for version 7.4.497 Bram Moolenaar <bram@vim.org> parents: 6203 diff changeset	2666 if (prog == NULL)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: 4244 diff changeset	2667 {
4460 fe8a0a6a1c2a updated for version 7.3.978 Bram Moolenaar <bram@vim.org> parents: 4444 diff changeset	2668 #ifdef BT_REGEXP_DEBUG_LOG
23471 a7cdfc8e4b6e patch 8.2.2278: falling back to old regexp engine can some patterns Bram Moolenaar <Bram@vim.org> parents: 22167 diff changeset	2669 if (regexp_engine == BACKTRACKING_ENGINE) // debugging log for BT engine
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: 4244 diff changeset	2670 {
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: 4244 diff changeset	2671 FILE *f;
4460 fe8a0a6a1c2a updated for version 7.3.978 Bram Moolenaar <bram@vim.org> parents: 4444 diff changeset	2672 f = fopen(BT_REGEXP_DEBUG_LOG_NAME, "a");
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: 4244 diff changeset	2673 if (f)
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: 4244 diff changeset	2674 {
4762 47906f888725 updated for version 7.3.1128 Bram Moolenaar <bram@vim.org> parents: 4760 diff changeset	2675 fprintf(f, "Syntax error in \"%s\"\n", expr);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: 4244 diff changeset	2676 fclose(f);
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: 4244 diff changeset	2677 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: 4244 diff changeset	2678 else
15470 55ccc2d353bd patch 8.1.0743: giving error messages is not flexible Bram Moolenaar <Bram@vim.org> parents: 15339 diff changeset	2679 semsg("(NFA) Could not open \"%s\" to write !!!",
13244 ac42c4b11dbc patch 8.0.1496: clearing a pointer takes two lines Christian Brabandt <cb@256bit.org> parents: 12752 diff changeset	2680 BT_REGEXP_DEBUG_LOG_NAME);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: 4244 diff changeset	2681 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: 4244 diff changeset	2682 #endif
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: 4244 diff changeset	2683 /*
6328 adfbffe1e642 updated for version 7.4.497 Bram Moolenaar <bram@vim.org> parents: 6203 diff changeset	2684 * If the NFA engine failed, try the backtracking engine.
6533 bdc8e71633e4 updated for version 7.4.593 Bram Moolenaar <bram@vim.org> parents: 6390 diff changeset	2685 * The NFA engine also fails for patterns that it can't handle well
bdc8e71633e4 updated for version 7.4.593 Bram Moolenaar <bram@vim.org> parents: 6390 diff changeset	2686 * but are still valid patterns, thus a retry should work.
15935 ff00d207cc5e patch 8.1.0973: pattern with syntax error gives threee error messages Bram Moolenaar <Bram@vim.org> parents: 15860 diff changeset	2687 * But don't try if an error message was given.
6533 bdc8e71633e4 updated for version 7.4.593 Bram Moolenaar <bram@vim.org> parents: 6390 diff changeset	2688 */
18949 5c405689da3e patch 8.2.0035: saving and restoring called_emsg is clumsy Bram Moolenaar <Bram@vim.org> parents: 18812 diff changeset	2689 if (regexp_engine == AUTOMATIC_ENGINE
5c405689da3e patch 8.2.0035: saving and restoring called_emsg is clumsy Bram Moolenaar <Bram@vim.org> parents: 18812 diff changeset	2690 && called_emsg == called_emsg_before)
6328 adfbffe1e642 updated for version 7.4.497 Bram Moolenaar <bram@vim.org> parents: 6203 diff changeset	2691 {
6533 bdc8e71633e4 updated for version 7.4.593 Bram Moolenaar <bram@vim.org> parents: 6390 diff changeset	2692 regexp_engine = BACKTRACKING_ENGINE;
23471 a7cdfc8e4b6e patch 8.2.2278: falling back to old regexp engine can some patterns Bram Moolenaar <Bram@vim.org> parents: 22167 diff changeset	2693 #ifdef FEAT_EVAL
a7cdfc8e4b6e patch 8.2.2278: falling back to old regexp engine can some patterns Bram Moolenaar <Bram@vim.org> parents: 22167 diff changeset	2694 report_re_switch(expr);
a7cdfc8e4b6e patch 8.2.2278: falling back to old regexp engine can some patterns Bram Moolenaar <Bram@vim.org> parents: 22167 diff changeset	2695 #endif
4762 47906f888725 updated for version 7.3.1128 Bram Moolenaar <bram@vim.org> parents: 4760 diff changeset	2696 prog = bt_regengine.regcomp(expr, re_flags);
6328 adfbffe1e642 updated for version 7.4.497 Bram Moolenaar <bram@vim.org> parents: 6203 diff changeset	2697 }
4762 47906f888725 updated for version 7.3.1128 Bram Moolenaar <bram@vim.org> parents: 4760 diff changeset	2698 }
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: 4244 diff changeset	2699
6328 adfbffe1e642 updated for version 7.4.497 Bram Moolenaar <bram@vim.org> parents: 6203 diff changeset	2700 if (prog != NULL)
adfbffe1e642 updated for version 7.4.497 Bram Moolenaar <bram@vim.org> parents: 6203 diff changeset	2701 {
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	2702 // Store the info needed to call regcomp() again when the engine turns
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	2703 // out to be very slow when executing it.
6328 adfbffe1e642 updated for version 7.4.497 Bram Moolenaar <bram@vim.org> parents: 6203 diff changeset	2704 prog->re_engine = regexp_engine;
adfbffe1e642 updated for version 7.4.497 Bram Moolenaar <bram@vim.org> parents: 6203 diff changeset	2705 prog->re_flags = re_flags;
adfbffe1e642 updated for version 7.4.497 Bram Moolenaar <bram@vim.org> parents: 6203 diff changeset	2706 }
adfbffe1e642 updated for version 7.4.497 Bram Moolenaar <bram@vim.org> parents: 6203 diff changeset	2707
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: 4244 diff changeset	2708 return prog;
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: 4244 diff changeset	2709 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: 4244 diff changeset	2710
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: 4244 diff changeset	2711 /*
4805 66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	2712 * Free a compiled regexp program, returned by vim_regcomp().
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	2713 */
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	2714 void
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7807 diff changeset	2715 vim_regfree(regprog_T *prog)
4805 66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	2716 {
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	2717 if (prog != NULL)
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	2718 prog->engine->regfree(prog);
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	2719 }
66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	2720
18019 68fd5296bf73 patch 8.1.2005: the regexp.c file is too big Bram Moolenaar <Bram@vim.org> parents: 17966 diff changeset	2721 #if defined(EXITFREE) \|\| defined(PROTO)
68fd5296bf73 patch 8.1.2005: the regexp.c file is too big Bram Moolenaar <Bram@vim.org> parents: 17966 diff changeset	2722 void
68fd5296bf73 patch 8.1.2005: the regexp.c file is too big Bram Moolenaar <Bram@vim.org> parents: 17966 diff changeset	2723 free_regexp_stuff(void)
68fd5296bf73 patch 8.1.2005: the regexp.c file is too big Bram Moolenaar <Bram@vim.org> parents: 17966 diff changeset	2724 {
68fd5296bf73 patch 8.1.2005: the regexp.c file is too big Bram Moolenaar <Bram@vim.org> parents: 17966 diff changeset	2725 ga_clear(&regstack);
68fd5296bf73 patch 8.1.2005: the regexp.c file is too big Bram Moolenaar <Bram@vim.org> parents: 17966 diff changeset	2726 ga_clear(&backpos);
68fd5296bf73 patch 8.1.2005: the regexp.c file is too big Bram Moolenaar <Bram@vim.org> parents: 17966 diff changeset	2727 vim_free(reg_tofree);
68fd5296bf73 patch 8.1.2005: the regexp.c file is too big Bram Moolenaar <Bram@vim.org> parents: 17966 diff changeset	2728 vim_free(reg_prev_sub);
68fd5296bf73 patch 8.1.2005: the regexp.c file is too big Bram Moolenaar <Bram@vim.org> parents: 17966 diff changeset	2729 }
68fd5296bf73 patch 8.1.2005: the regexp.c file is too big Bram Moolenaar <Bram@vim.org> parents: 17966 diff changeset	2730 #endif
68fd5296bf73 patch 8.1.2005: the regexp.c file is too big Bram Moolenaar <Bram@vim.org> parents: 17966 diff changeset	2731
6328 adfbffe1e642 updated for version 7.4.497 Bram Moolenaar <bram@vim.org> parents: 6203 diff changeset	2732 #ifdef FEAT_EVAL
adfbffe1e642 updated for version 7.4.497 Bram Moolenaar <bram@vim.org> parents: 6203 diff changeset	2733 static void
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7807 diff changeset	2734 report_re_switch(char_u *pat)
6328 adfbffe1e642 updated for version 7.4.497 Bram Moolenaar <bram@vim.org> parents: 6203 diff changeset	2735 {
adfbffe1e642 updated for version 7.4.497 Bram Moolenaar <bram@vim.org> parents: 6203 diff changeset	2736 if (p_verbose > 0)
adfbffe1e642 updated for version 7.4.497 Bram Moolenaar <bram@vim.org> parents: 6203 diff changeset	2737 {
adfbffe1e642 updated for version 7.4.497 Bram Moolenaar <bram@vim.org> parents: 6203 diff changeset	2738 verbose_enter();
15543 dd725a8ab112 patch 8.1.0779: argument for message functions is inconsistent Bram Moolenaar <Bram@vim.org> parents: 15480 diff changeset	2739 msg_puts(_("Switching to backtracking RE engine for pattern: "));
dd725a8ab112 patch 8.1.0779: argument for message functions is inconsistent Bram Moolenaar <Bram@vim.org> parents: 15480 diff changeset	2740 msg_puts((char *)pat);
6328 adfbffe1e642 updated for version 7.4.497 Bram Moolenaar <bram@vim.org> parents: 6203 diff changeset	2741 verbose_leave();
adfbffe1e642 updated for version 7.4.497 Bram Moolenaar <bram@vim.org> parents: 6203 diff changeset	2742 }
adfbffe1e642 updated for version 7.4.497 Bram Moolenaar <bram@vim.org> parents: 6203 diff changeset	2743 }
adfbffe1e642 updated for version 7.4.497 Bram Moolenaar <bram@vim.org> parents: 6203 diff changeset	2744 #endif
adfbffe1e642 updated for version 7.4.497 Bram Moolenaar <bram@vim.org> parents: 6203 diff changeset	2745
15555 d89c5b339c2a patch 8.1.0785: depending on the configuration some functions are unused Bram Moolenaar <Bram@vim.org> parents: 15543 diff changeset	2746 #if (defined(FEAT_X11) && (defined(FEAT_TITLE) \|\| defined(FEAT_XCLIPBOARD))) \
d89c5b339c2a patch 8.1.0785: depending on the configuration some functions are unused Bram Moolenaar <Bram@vim.org> parents: 15543 diff changeset	2747 \|\| defined(PROTO)
4805 66803af09906 updated for version 7.3.1149 Bram Moolenaar <bram@vim.org> parents: 4770 diff changeset	2748 /*
15306 7fff2d18e191 patch 8.1.0661: clipboard regexp might be used recursively Bram Moolenaar <Bram@vim.org> parents: 15211 diff changeset	2749 * Return whether "prog" is currently being executed.
7fff2d18e191 patch 8.1.0661: clipboard regexp might be used recursively Bram Moolenaar <Bram@vim.org> parents: 15211 diff changeset	2750 */
7fff2d18e191 patch 8.1.0661: clipboard regexp might be used recursively Bram Moolenaar <Bram@vim.org> parents: 15211 diff changeset	2751 int
7fff2d18e191 patch 8.1.0661: clipboard regexp might be used recursively Bram Moolenaar <Bram@vim.org> parents: 15211 diff changeset	2752 regprog_in_use(regprog_T *prog)
7fff2d18e191 patch 8.1.0661: clipboard regexp might be used recursively Bram Moolenaar <Bram@vim.org> parents: 15211 diff changeset	2753 {
7fff2d18e191 patch 8.1.0661: clipboard regexp might be used recursively Bram Moolenaar <Bram@vim.org> parents: 15211 diff changeset	2754 return prog->re_in_use;
7fff2d18e191 patch 8.1.0661: clipboard regexp might be used recursively Bram Moolenaar <Bram@vim.org> parents: 15211 diff changeset	2755 }
15555 d89c5b339c2a patch 8.1.0785: depending on the configuration some functions are unused Bram Moolenaar <Bram@vim.org> parents: 15543 diff changeset	2756 #endif
15306 7fff2d18e191 patch 8.1.0661: clipboard regexp might be used recursively Bram Moolenaar <Bram@vim.org> parents: 15211 diff changeset	2757
7fff2d18e191 patch 8.1.0661: clipboard regexp might be used recursively Bram Moolenaar <Bram@vim.org> parents: 15211 diff changeset	2758 /*
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: 4244 diff changeset	2759 * Match a regexp against a string.
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: 4244 diff changeset	2760 * "rmp->regprog" is a compiled regexp as returned by vim_regcomp().
6375 27a36d1013a6 updated for version 7.4.519 Bram Moolenaar <bram@vim.org> parents: 6328 diff changeset	2761 * Note: "rmp->regprog" may be freed and changed.
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: 4244 diff changeset	2762 * Uses curbuf for line count and 'iskeyword'.
6328 adfbffe1e642 updated for version 7.4.497 Bram Moolenaar <bram@vim.org> parents: 6203 diff changeset	2763 * When "nl" 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: 4244 diff changeset	2764 *
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: 4244 diff changeset	2765 * Return TRUE if there is a match, FALSE if not.
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: 4244 diff changeset	2766 */
6328 adfbffe1e642 updated for version 7.4.497 Bram Moolenaar <bram@vim.org> parents: 6203 diff changeset	2767 static int
11529 998d2cf59caa patch 8.0.0647: syntax highlighting can make cause a freeze Christian Brabandt <cb@256bit.org> parents: 11527 diff changeset	2768 vim_regexec_string(
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7807 diff changeset	2769 regmatch_T *rmp,
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	2770 char_u *line, // string to match against
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	2771 colnr_T col, // column to start looking for match
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7807 diff changeset	2772 int nl)
6328 adfbffe1e642 updated for version 7.4.497 Bram Moolenaar <bram@vim.org> parents: 6203 diff changeset	2773 {
10245 d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10187 diff changeset	2774 int result;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10187 diff changeset	2775 regexec_T rex_save;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10187 diff changeset	2776 int rex_in_use_save = rex_in_use;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10187 diff changeset	2777
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14169 diff changeset	2778 // Cannot use the same prog recursively, it contains state.
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14169 diff changeset	2779 if (rmp->regprog->re_in_use)
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14169 diff changeset	2780 {
15470 55ccc2d353bd patch 8.1.0743: giving error messages is not flexible Bram Moolenaar <Bram@vim.org> parents: 15339 diff changeset	2781 emsg(_(e_recursive));
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14169 diff changeset	2782 return FALSE;
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14169 diff changeset	2783 }
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14169 diff changeset	2784 rmp->regprog->re_in_use = TRUE;
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14169 diff changeset	2785
10245 d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10187 diff changeset	2786 if (rex_in_use)
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14169 diff changeset	2787 // Being called recursively, save the state.
10245 d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10187 diff changeset	2788 rex_save = rex;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10187 diff changeset	2789 rex_in_use = TRUE;
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14169 diff changeset	2790
10245 d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10187 diff changeset	2791 rex.reg_startp = NULL;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10187 diff changeset	2792 rex.reg_endp = NULL;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10187 diff changeset	2793 rex.reg_startpos = NULL;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10187 diff changeset	2794 rex.reg_endpos = NULL;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10187 diff changeset	2795
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10187 diff changeset	2796 result = rmp->regprog->engine->regexec_nl(rmp, line, col, nl);
14358 72d506d94f3f patch 8.1.0194: possibly use of NULL pointer Christian Brabandt <cb@256bit.org> parents: 14354 diff changeset	2797 rmp->regprog->re_in_use = FALSE;
6328 adfbffe1e642 updated for version 7.4.497 Bram Moolenaar <bram@vim.org> parents: 6203 diff changeset	2798
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	2799 // NFA engine aborted because it's very slow.
6328 adfbffe1e642 updated for version 7.4.497 Bram Moolenaar <bram@vim.org> parents: 6203 diff changeset	2800 if (rmp->regprog->re_engine == AUTOMATIC_ENGINE
adfbffe1e642 updated for version 7.4.497 Bram Moolenaar <bram@vim.org> parents: 6203 diff changeset	2801 && result == NFA_TOO_EXPENSIVE)
adfbffe1e642 updated for version 7.4.497 Bram Moolenaar <bram@vim.org> parents: 6203 diff changeset	2802 {
adfbffe1e642 updated for version 7.4.497 Bram Moolenaar <bram@vim.org> parents: 6203 diff changeset	2803 int save_p_re = p_re;
adfbffe1e642 updated for version 7.4.497 Bram Moolenaar <bram@vim.org> parents: 6203 diff changeset	2804 int re_flags = rmp->regprog->re_flags;
adfbffe1e642 updated for version 7.4.497 Bram Moolenaar <bram@vim.org> parents: 6203 diff changeset	2805 char_u pat = vim_strsave(((nfa_regprog_T )rmp->regprog)->pattern);
adfbffe1e642 updated for version 7.4.497 Bram Moolenaar <bram@vim.org> parents: 6203 diff changeset	2806
adfbffe1e642 updated for version 7.4.497 Bram Moolenaar <bram@vim.org> parents: 6203 diff changeset	2807 p_re = BACKTRACKING_ENGINE;
adfbffe1e642 updated for version 7.4.497 Bram Moolenaar <bram@vim.org> parents: 6203 diff changeset	2808 vim_regfree(rmp->regprog);
adfbffe1e642 updated for version 7.4.497 Bram Moolenaar <bram@vim.org> parents: 6203 diff changeset	2809 if (pat != NULL)
adfbffe1e642 updated for version 7.4.497 Bram Moolenaar <bram@vim.org> parents: 6203 diff changeset	2810 {
adfbffe1e642 updated for version 7.4.497 Bram Moolenaar <bram@vim.org> parents: 6203 diff changeset	2811 #ifdef FEAT_EVAL
adfbffe1e642 updated for version 7.4.497 Bram Moolenaar <bram@vim.org> parents: 6203 diff changeset	2812 report_re_switch(pat);
adfbffe1e642 updated for version 7.4.497 Bram Moolenaar <bram@vim.org> parents: 6203 diff changeset	2813 #endif
adfbffe1e642 updated for version 7.4.497 Bram Moolenaar <bram@vim.org> parents: 6203 diff changeset	2814 rmp->regprog = vim_regcomp(pat, re_flags);
adfbffe1e642 updated for version 7.4.497 Bram Moolenaar <bram@vim.org> parents: 6203 diff changeset	2815 if (rmp->regprog != NULL)
14358 72d506d94f3f patch 8.1.0194: possibly use of NULL pointer Christian Brabandt <cb@256bit.org> parents: 14354 diff changeset	2816 {
72d506d94f3f patch 8.1.0194: possibly use of NULL pointer Christian Brabandt <cb@256bit.org> parents: 14354 diff changeset	2817 rmp->regprog->re_in_use = TRUE;
6328 adfbffe1e642 updated for version 7.4.497 Bram Moolenaar <bram@vim.org> parents: 6203 diff changeset	2818 result = rmp->regprog->engine->regexec_nl(rmp, line, col, nl);
14358 72d506d94f3f patch 8.1.0194: possibly use of NULL pointer Christian Brabandt <cb@256bit.org> parents: 14354 diff changeset	2819 rmp->regprog->re_in_use = FALSE;
72d506d94f3f patch 8.1.0194: possibly use of NULL pointer Christian Brabandt <cb@256bit.org> parents: 14354 diff changeset	2820 }
6328 adfbffe1e642 updated for version 7.4.497 Bram Moolenaar <bram@vim.org> parents: 6203 diff changeset	2821 vim_free(pat);
adfbffe1e642 updated for version 7.4.497 Bram Moolenaar <bram@vim.org> parents: 6203 diff changeset	2822 }
adfbffe1e642 updated for version 7.4.497 Bram Moolenaar <bram@vim.org> parents: 6203 diff changeset	2823
adfbffe1e642 updated for version 7.4.497 Bram Moolenaar <bram@vim.org> parents: 6203 diff changeset	2824 p_re = save_p_re;
adfbffe1e642 updated for version 7.4.497 Bram Moolenaar <bram@vim.org> parents: 6203 diff changeset	2825 }
10245 d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10187 diff changeset	2826
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10187 diff changeset	2827 rex_in_use = rex_in_use_save;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10187 diff changeset	2828 if (rex_in_use)
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10187 diff changeset	2829 rex = rex_save;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10187 diff changeset	2830
6390 230b52b9d35e updated for version 7.4.526 Bram Moolenaar <bram@vim.org> parents: 6375 diff changeset	2831 return result > 0;
6328 adfbffe1e642 updated for version 7.4.497 Bram Moolenaar <bram@vim.org> parents: 6203 diff changeset	2832 }
adfbffe1e642 updated for version 7.4.497 Bram Moolenaar <bram@vim.org> parents: 6203 diff changeset	2833
6375 27a36d1013a6 updated for version 7.4.519 Bram Moolenaar <bram@vim.org> parents: 6328 diff changeset	2834 /*
27a36d1013a6 updated for version 7.4.519 Bram Moolenaar <bram@vim.org> parents: 6328 diff changeset	2835 * Note: "*prog" may be freed and changed.
6390 230b52b9d35e updated for version 7.4.526 Bram Moolenaar <bram@vim.org> parents: 6375 diff changeset	2836 * Return TRUE if there is a match, FALSE if not.
6375 27a36d1013a6 updated for version 7.4.519 Bram Moolenaar <bram@vim.org> parents: 6328 diff changeset	2837 */
27a36d1013a6 updated for version 7.4.519 Bram Moolenaar <bram@vim.org> parents: 6328 diff changeset	2838 int
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7807 diff changeset	2839 vim_regexec_prog(
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7807 diff changeset	2840 regprog_T **prog,
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7807 diff changeset	2841 int ignore_case,
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7807 diff changeset	2842 char_u *line,
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7807 diff changeset	2843 colnr_T col)
6375 27a36d1013a6 updated for version 7.4.519 Bram Moolenaar <bram@vim.org> parents: 6328 diff changeset	2844 {
11529 998d2cf59caa patch 8.0.0647: syntax highlighting can make cause a freeze Christian Brabandt <cb@256bit.org> parents: 11527 diff changeset	2845 int r;
998d2cf59caa patch 8.0.0647: syntax highlighting can make cause a freeze Christian Brabandt <cb@256bit.org> parents: 11527 diff changeset	2846 regmatch_T regmatch;
6375 27a36d1013a6 updated for version 7.4.519 Bram Moolenaar <bram@vim.org> parents: 6328 diff changeset	2847
27a36d1013a6 updated for version 7.4.519 Bram Moolenaar <bram@vim.org> parents: 6328 diff changeset	2848 regmatch.regprog = *prog;
27a36d1013a6 updated for version 7.4.519 Bram Moolenaar <bram@vim.org> parents: 6328 diff changeset	2849 regmatch.rm_ic = ignore_case;
11529 998d2cf59caa patch 8.0.0647: syntax highlighting can make cause a freeze Christian Brabandt <cb@256bit.org> parents: 11527 diff changeset	2850 r = vim_regexec_string(&regmatch, line, col, FALSE);
6375 27a36d1013a6 updated for version 7.4.519 Bram Moolenaar <bram@vim.org> parents: 6328 diff changeset	2851 *prog = regmatch.regprog;
27a36d1013a6 updated for version 7.4.519 Bram Moolenaar <bram@vim.org> parents: 6328 diff changeset	2852 return r;
27a36d1013a6 updated for version 7.4.519 Bram Moolenaar <bram@vim.org> parents: 6328 diff changeset	2853 }
27a36d1013a6 updated for version 7.4.519 Bram Moolenaar <bram@vim.org> parents: 6328 diff changeset	2854
27a36d1013a6 updated for version 7.4.519 Bram Moolenaar <bram@vim.org> parents: 6328 diff changeset	2855 /*
27a36d1013a6 updated for version 7.4.519 Bram Moolenaar <bram@vim.org> parents: 6328 diff changeset	2856 * Note: "rmp->regprog" may be freed and changed.
6390 230b52b9d35e updated for version 7.4.526 Bram Moolenaar <bram@vim.org> parents: 6375 diff changeset	2857 * Return TRUE if there is a match, FALSE if not.
6375 27a36d1013a6 updated for version 7.4.519 Bram Moolenaar <bram@vim.org> parents: 6328 diff changeset	2858 */
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: 4244 diff changeset	2859 int
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7807 diff changeset	2860 vim_regexec(regmatch_T rmp, char_u line, colnr_T col)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: 4244 diff changeset	2861 {
11529 998d2cf59caa patch 8.0.0647: syntax highlighting can make cause a freeze Christian Brabandt <cb@256bit.org> parents: 11527 diff changeset	2862 return vim_regexec_string(rmp, line, col, FALSE);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: 4244 diff changeset	2863 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: 4244 diff changeset	2864
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: 4244 diff changeset	2865 /*
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: 4244 diff changeset	2866 * Like vim_regexec(), but consider a "\n" in "line" to be a line break.
6375 27a36d1013a6 updated for version 7.4.519 Bram Moolenaar <bram@vim.org> parents: 6328 diff changeset	2867 * Note: "rmp->regprog" may be freed and changed.
6390 230b52b9d35e updated for version 7.4.526 Bram Moolenaar <bram@vim.org> parents: 6375 diff changeset	2868 * Return TRUE if there is a match, FALSE if not.
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: 4244 diff changeset	2869 */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: 4244 diff changeset	2870 int
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7807 diff changeset	2871 vim_regexec_nl(regmatch_T rmp, char_u line, colnr_T col)
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: 4244 diff changeset	2872 {
11529 998d2cf59caa patch 8.0.0647: syntax highlighting can make cause a freeze Christian Brabandt <cb@256bit.org> parents: 11527 diff changeset	2873 return vim_regexec_string(rmp, line, col, TRUE);
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: 4244 diff changeset	2874 }
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: 4244 diff changeset	2875
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: 4244 diff changeset	2876 /*
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: 4244 diff changeset	2877 * Match a regexp against multiple lines.
14161 7cac4646c552 patch 8.1.0098: segfault when pattern with z() is very slow Christian Brabandt <cb@256bit.org> parents: 13286 diff changeset	2878 * "rmp->regprog" must be a compiled regexp as returned by vim_regcomp().
7cac4646c552 patch 8.1.0098: segfault when pattern with z() is very slow Christian Brabandt <cb@256bit.org> parents: 13286 diff changeset	2879 * Note: "rmp->regprog" may be freed and changed, even set to NULL.
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: 4244 diff changeset	2880 * Uses curbuf for line count and 'iskeyword'.
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: 4244 diff changeset	2881 *
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: 4244 diff changeset	2882 * Return zero if there is no match. Return number of lines contained in the
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: 4244 diff changeset	2883 * match otherwise.
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: 4244 diff changeset	2884 */
ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: 4244 diff changeset	2885 long
7833 c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7807 diff changeset	2886 vim_regexec_multi(
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f Christian Brabandt <cb@256bit.org> parents: 7807 diff changeset	2887 regmmatch_T *rmp,
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	2888 win_T *win, // window in which to search or NULL
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	2889 buf_T *buf, // buffer in which to search
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	2890 linenr_T lnum, // nr of line to start looking for match
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	2891 colnr_T col, // column to start looking for match
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	2892 proftime_T *tm, // timeout limit or NULL
d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	2893 int *timed_out) // flag is set when timeout limit reached
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: 4244 diff changeset	2894 {
10245 d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10187 diff changeset	2895 int result;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10187 diff changeset	2896 regexec_T rex_save;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10187 diff changeset	2897 int rex_in_use_save = rex_in_use;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10187 diff changeset	2898
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14169 diff changeset	2899 // Cannot use the same prog recursively, it contains state.
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14169 diff changeset	2900 if (rmp->regprog->re_in_use)
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14169 diff changeset	2901 {
15470 55ccc2d353bd patch 8.1.0743: giving error messages is not flexible Bram Moolenaar <Bram@vim.org> parents: 15339 diff changeset	2902 emsg(_(e_recursive));
14354 ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14169 diff changeset	2903 return FALSE;
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14169 diff changeset	2904 }
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14169 diff changeset	2905 rmp->regprog->re_in_use = TRUE;
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash Christian Brabandt <cb@256bit.org> parents: 14169 diff changeset	2906
10245 d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10187 diff changeset	2907 if (rex_in_use)
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	2908 // Being called recursively, save the state.
10245 d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10187 diff changeset	2909 rex_save = rex;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10187 diff changeset	2910 rex_in_use = TRUE;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10187 diff changeset	2911
11521 578df034735d patch 8.0.0643: when a pattern search is slow Vim becomes unusable Christian Brabandt <cb@256bit.org> parents: 11482 diff changeset	2912 result = rmp->regprog->engine->regexec_multi(
578df034735d patch 8.0.0643: when a pattern search is slow Vim becomes unusable Christian Brabandt <cb@256bit.org> parents: 11482 diff changeset	2913 rmp, win, buf, lnum, col, tm, timed_out);
14358 72d506d94f3f patch 8.1.0194: possibly use of NULL pointer Christian Brabandt <cb@256bit.org> parents: 14354 diff changeset	2914 rmp->regprog->re_in_use = FALSE;
6328 adfbffe1e642 updated for version 7.4.497 Bram Moolenaar <bram@vim.org> parents: 6203 diff changeset	2915
18812 d34ec6fe207d patch 8.1.2394: using old C style comments Bram Moolenaar <Bram@vim.org> parents: 18576 diff changeset	2916 // NFA engine aborted because it's very slow.
6328 adfbffe1e642 updated for version 7.4.497 Bram Moolenaar <bram@vim.org> parents: 6203 diff changeset	2917 if (rmp->regprog->re_engine == AUTOMATIC_ENGINE
adfbffe1e642 updated for version 7.4.497 Bram Moolenaar <bram@vim.org> parents: 6203 diff changeset	2918 && result == NFA_TOO_EXPENSIVE)
adfbffe1e642 updated for version 7.4.497 Bram Moolenaar <bram@vim.org> parents: 6203 diff changeset	2919 {
adfbffe1e642 updated for version 7.4.497 Bram Moolenaar <bram@vim.org> parents: 6203 diff changeset	2920 int save_p_re = p_re;
adfbffe1e642 updated for version 7.4.497 Bram Moolenaar <bram@vim.org> parents: 6203 diff changeset	2921 int re_flags = rmp->regprog->re_flags;
adfbffe1e642 updated for version 7.4.497 Bram Moolenaar <bram@vim.org> parents: 6203 diff changeset	2922 char_u pat = vim_strsave(((nfa_regprog_T )rmp->regprog)->pattern);
adfbffe1e642 updated for version 7.4.497 Bram Moolenaar <bram@vim.org> parents: 6203 diff changeset	2923
adfbffe1e642 updated for version 7.4.497 Bram Moolenaar <bram@vim.org> parents: 6203 diff changeset	2924 p_re = BACKTRACKING_ENGINE;
adfbffe1e642 updated for version 7.4.497 Bram Moolenaar <bram@vim.org> parents: 6203 diff changeset	2925 vim_regfree(rmp->regprog);
adfbffe1e642 updated for version 7.4.497 Bram Moolenaar <bram@vim.org> parents: 6203 diff changeset	2926 if (pat != NULL)
adfbffe1e642 updated for version 7.4.497 Bram Moolenaar <bram@vim.org> parents: 6203 diff changeset	2927 {
adfbffe1e642 updated for version 7.4.497 Bram Moolenaar <bram@vim.org> parents: 6203 diff changeset	2928 #ifdef FEAT_EVAL
adfbffe1e642 updated for version 7.4.497 Bram Moolenaar <bram@vim.org> parents: 6203 diff changeset	2929 report_re_switch(pat);
adfbffe1e642 updated for version 7.4.497 Bram Moolenaar <bram@vim.org> parents: 6203 diff changeset	2930 #endif
14169 42a9178374d1 patch 8.1.0102: cannot build without syntax highlighting Christian Brabandt <cb@256bit.org> parents: 14161 diff changeset	2931 #ifdef FEAT_SYN_HL
14161 7cac4646c552 patch 8.1.0098: segfault when pattern with z() is very slow Christian Brabandt <cb@256bit.org> parents: 13286 diff changeset	2932 // checking for \z misuse was already done when compiling for NFA,
7cac4646c552 patch 8.1.0098: segfault when pattern with z() is very slow Christian Brabandt <cb@256bit.org> parents: 13286 diff changeset	2933 // allow all here
7cac4646c552 patch 8.1.0098: segfault when pattern with z() is very slow Christian Brabandt <cb@256bit.org> parents: 13286 diff changeset	2934 reg_do_extmatch = REX_ALL;
14169 42a9178374d1 patch 8.1.0102: cannot build without syntax highlighting Christian Brabandt <cb@256bit.org> parents: 14161 diff changeset	2935 #endif
6328 adfbffe1e642 updated for version 7.4.497 Bram Moolenaar <bram@vim.org> parents: 6203 diff changeset	2936 rmp->regprog = vim_regcomp(pat, re_flags);
14169 42a9178374d1 patch 8.1.0102: cannot build without syntax highlighting Christian Brabandt <cb@256bit.org> parents: 14161 diff changeset	2937 #ifdef FEAT_SYN_HL
14161 7cac4646c552 patch 8.1.0098: segfault when pattern with z() is very slow Christian Brabandt <cb@256bit.org> parents: 13286 diff changeset	2938 reg_do_extmatch = 0;
14169 42a9178374d1 patch 8.1.0102: cannot build without syntax highlighting Christian Brabandt <cb@256bit.org> parents: 14161 diff changeset	2939 #endif
14161 7cac4646c552 patch 8.1.0098: segfault when pattern with z() is very slow Christian Brabandt <cb@256bit.org> parents: 13286 diff changeset	2940
6328 adfbffe1e642 updated for version 7.4.497 Bram Moolenaar <bram@vim.org> parents: 6203 diff changeset	2941 if (rmp->regprog != NULL)
14358 72d506d94f3f patch 8.1.0194: possibly use of NULL pointer Christian Brabandt <cb@256bit.org> parents: 14354 diff changeset	2942 {
72d506d94f3f patch 8.1.0194: possibly use of NULL pointer Christian Brabandt <cb@256bit.org> parents: 14354 diff changeset	2943 rmp->regprog->re_in_use = TRUE;
6328 adfbffe1e642 updated for version 7.4.497 Bram Moolenaar <bram@vim.org> parents: 6203 diff changeset	2944 result = rmp->regprog->engine->regexec_multi(
11521 578df034735d patch 8.0.0643: when a pattern search is slow Vim becomes unusable Christian Brabandt <cb@256bit.org> parents: 11482 diff changeset	2945 rmp, win, buf, lnum, col, tm, timed_out);
14358 72d506d94f3f patch 8.1.0194: possibly use of NULL pointer Christian Brabandt <cb@256bit.org> parents: 14354 diff changeset	2946 rmp->regprog->re_in_use = FALSE;
72d506d94f3f patch 8.1.0194: possibly use of NULL pointer Christian Brabandt <cb@256bit.org> parents: 14354 diff changeset	2947 }
6328 adfbffe1e642 updated for version 7.4.497 Bram Moolenaar <bram@vim.org> parents: 6203 diff changeset	2948 vim_free(pat);
adfbffe1e642 updated for version 7.4.497 Bram Moolenaar <bram@vim.org> parents: 6203 diff changeset	2949 }
adfbffe1e642 updated for version 7.4.497 Bram Moolenaar <bram@vim.org> parents: 6203 diff changeset	2950 p_re = save_p_re;
adfbffe1e642 updated for version 7.4.497 Bram Moolenaar <bram@vim.org> parents: 6203 diff changeset	2951 }
adfbffe1e642 updated for version 7.4.497 Bram Moolenaar <bram@vim.org> parents: 6203 diff changeset	2952
10245 d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10187 diff changeset	2953 rex_in_use = rex_in_use_save;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10187 diff changeset	2954 if (rex_in_use)
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10187 diff changeset	2955 rex = rex_save;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d Christian Brabandt <cb@256bit.org> parents: 10187 diff changeset	2956
6390 230b52b9d35e updated for version 7.4.526 Bram Moolenaar <bram@vim.org> parents: 6375 diff changeset	2957 return result <= 0 ? 0 : result;
4444 ccecb03e5e8b updated for version 7.3.970 Bram Moolenaar <bram@vim.org> parents: 4244 diff changeset	2958 }

Mercurial > vim

annotate src/regexp.c @ 23505:bb29b09902d5 v8.2.2295