Mercurial > vim
annotate src/regexp.c @ 11510:deb9295dccda v8.0.0638
patch 8.0.0638: cannot build with new MSVC version
commit https://github.com/vim/vim/commit/d7383881c8e9f474a909b54b21abb0aa2b412ba2
Author: Bram Moolenaar <Bram@vim.org>
Date: Tue Jun 13 15:22:12 2017 +0200
patch 8.0.0638: cannot build with new MSVC version
Problem: Cannot build with new MSVC version VS2017.
Solution: Change the compiler arguments. (Leonardo Manera, closes https://github.com/vim/vim/issues/1731,
closes #1747)
author | Christian Brabandt <cb@256bit.org> |
---|---|
date | Tue, 13 Jun 2017 15:30:03 +0200 |
parents | e691ebe6558e |
children | 578df034735d |
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 | 2 * |
3 * Handling of regular expressions: vim_regcomp(), vim_regexec(), vim_regsub() | |
4 * | |
5 * NOTICE: | |
6 * | |
7 * This is NOT the original regular expression code as written by Henry | |
8 * Spencer. This code has been modified specifically for use with the VIM | |
9 * editor, and should not be used separately from Vim. If you want a good | |
10 * regular expression library, get the original code. The copyright notice | |
11 * that follows is from the original. | |
12 * | |
13 * END NOTICE | |
14 * | |
15 * Copyright (c) 1986 by University of Toronto. | |
16 * Written by Henry Spencer. Not derived from licensed software. | |
17 * | |
18 * Permission is granted to anyone to use this software for any | |
19 * purpose on any computer system, and to redistribute it freely, | |
20 * subject to the following restrictions: | |
21 * | |
22 * 1. The author is not responsible for the consequences of use of | |
23 * this software, no matter how awful, even if they arise | |
24 * from defects in it. | |
25 * | |
26 * 2. The origin of this software must not be misrepresented, either | |
27 * by explicit claim or by omission. | |
28 * | |
29 * 3. Altered versions must be plainly marked as such, and must not | |
30 * be misrepresented as being the original software. | |
31 * | |
32 * Beware that some of this code is subtly aware of the way operator | |
33 * precedence is structured in regular expressions. Serious changes in | |
34 * regular-expression syntax might require a total rethink. | |
35 * | |
24 | 36 * Changes have been made by Tony Andrews, Olaf 'Rhialto' Seibert, Robert |
37 * Webb, Ciaran McCreesh and Bram Moolenaar. | |
7 | 38 * Named character class support added by Walter Briscoe (1998 Jul 01) |
39 */ | |
40 | |
4444 | 41 /* Uncomment the first if you do not want to see debugging logs or files |
42 * related to regular expressions, even when compiling with -DDEBUG. | |
43 * Uncomment the second to get the regexp debugging. */ | |
44 /* #undef DEBUG */ | |
45 /* #define DEBUG */ | |
46 | |
7 | 47 #include "vim.h" |
48 | |
4444 | 49 #ifdef DEBUG |
50 /* show/save debugging data when BT engine is used */ | |
51 # define BT_REGEXP_DUMP | |
52 /* save the debugging data to a file instead of displaying it */ | |
53 # define BT_REGEXP_LOG | |
4460 | 54 # define BT_REGEXP_DEBUG_LOG |
55 # define BT_REGEXP_DEBUG_LOG_NAME "bt_regexp_debug.log" | |
4444 | 56 #endif |
7 | 57 |
58 /* | |
59 * The "internal use only" fields in regexp.h are present to pass info from | |
60 * compile to execute that permits the execute phase to run lots faster on | |
61 * simple cases. They are: | |
62 * | |
63 * regstart char that must begin a match; NUL if none obvious; Can be a | |
64 * multi-byte character. | |
65 * reganch is the match anchored (at beginning-of-line only)? | |
66 * regmust string (pointer into program) that match must include, or NULL | |
67 * regmlen length of regmust string | |
68 * regflags RF_ values or'ed together | |
69 * | |
70 * Regstart and reganch permit very fast decisions on suitable starting points | |
71 * for a match, cutting down the work a lot. Regmust permits fast rejection | |
72 * of lines that cannot possibly match. The regmust tests are costly enough | |
73 * that vim_regcomp() supplies a regmust only if the r.e. contains something | |
74 * potentially expensive (at present, the only such thing detected is * or + | |
75 * at the start of the r.e., which can involve a lot of backup). Regmlen is | |
76 * supplied because the test in vim_regexec() needs it and vim_regcomp() is | |
77 * computing it anyway. | |
78 */ | |
79 | |
80 /* | |
81 * Structure for regexp "program". This is essentially a linear encoding | |
82 * of a nondeterministic finite-state machine (aka syntax charts or | |
83 * "railroad normal form" in parsing technology). Each node is an opcode | |
84 * plus a "next" pointer, possibly plus an operand. "Next" pointers of | |
85 * all nodes except BRANCH and BRACES_COMPLEX implement concatenation; a "next" | |
86 * pointer with a BRANCH on both ends of it is connecting two alternatives. | |
87 * (Here we have one of the subtle syntax dependencies: an individual BRANCH | |
88 * (as opposed to a collection of them) is never concatenated with anything | |
89 * because of operator precedence). The "next" pointer of a BRACES_COMPLEX | |
167 | 90 * node points to the node after the stuff to be repeated. |
91 * The operand of some types of node is a literal string; for others, it is a | |
92 * node leading into a sub-FSM. In particular, the operand of a BRANCH node | |
93 * is the first node of the branch. | |
94 * (NB this is *not* a tree structure: the tail of the branch connects to the | |
95 * thing following the set of BRANCHes.) | |
7 | 96 * |
97 * pattern is coded like: | |
98 * | |
99 * +-----------------+ | |
100 * | V | |
101 * <aa>\|<bb> BRANCH <aa> BRANCH <bb> --> END | |
102 * | ^ | ^ | |
103 * +------+ +----------+ | |
104 * | |
105 * | |
106 * +------------------+ | |
107 * V | | |
108 * <aa>* BRANCH BRANCH <aa> --> BACK BRANCH --> NOTHING --> END | |
109 * | | ^ ^ | |
110 * | +---------------+ | | |
111 * +---------------------------------------------+ | |
112 * | |
113 * | |
167 | 114 * +----------------------+ |
115 * V | | |
233 | 116 * <aa>\+ BRANCH <aa> --> BRANCH --> BACK BRANCH --> NOTHING --> END |
856 | 117 * | | ^ ^ |
118 * | +-----------+ | | |
179 | 119 * +--------------------------------------------------+ |
167 | 120 * |
121 * | |
7 | 122 * +-------------------------+ |
123 * V | | |
124 * <aa>\{} BRANCH BRACE_LIMITS --> BRACE_COMPLEX <aa> --> BACK END | |
125 * | | ^ | |
126 * | +----------------+ | |
127 * +-----------------------------------------------+ | |
128 * | |
129 * | |
130 * <aa>\@!<bb> BRANCH NOMATCH <aa> --> END <bb> --> END | |
131 * | | ^ ^ | |
132 * | +----------------+ | | |
133 * +--------------------------------+ | |
134 * | |
135 * +---------+ | |
136 * | V | |
137 * \z[abc] BRANCH BRANCH a BRANCH b BRANCH c BRANCH NOTHING --> END | |
138 * | | | | ^ ^ | |
139 * | | | +-----+ | | |
140 * | | +----------------+ | | |
141 * | +---------------------------+ | | |
142 * +------------------------------------------------------+ | |
143 * | |
1209 | 144 * They all start with a BRANCH for "\|" alternatives, even when there is only |
7 | 145 * one alternative. |
146 */ | |
147 | |
148 /* | |
149 * The opcodes are: | |
150 */ | |
151 | |
152 /* definition number opnd? meaning */ | |
153 #define END 0 /* End of program or NOMATCH operand. */ | |
154 #define BOL 1 /* Match "" at beginning of line. */ | |
155 #define EOL 2 /* Match "" at end of line. */ | |
156 #define BRANCH 3 /* node Match this alternative, or the | |
157 * next... */ | |
158 #define BACK 4 /* Match "", "next" ptr points backward. */ | |
159 #define EXACTLY 5 /* str Match this string. */ | |
160 #define NOTHING 6 /* Match empty string. */ | |
161 #define STAR 7 /* node Match this (simple) thing 0 or more | |
162 * times. */ | |
163 #define PLUS 8 /* node Match this (simple) thing 1 or more | |
164 * times. */ | |
165 #define MATCH 9 /* node match the operand zero-width */ | |
166 #define NOMATCH 10 /* node check for no match with operand */ | |
167 #define BEHIND 11 /* node look behind for a match with operand */ | |
168 #define NOBEHIND 12 /* node look behind for no match with operand */ | |
169 #define SUBPAT 13 /* node match the operand here */ | |
170 #define BRACE_SIMPLE 14 /* node Match this (simple) thing between m and | |
171 * n times (\{m,n\}). */ | |
172 #define BOW 15 /* Match "" after [^a-zA-Z0-9_] */ | |
173 #define EOW 16 /* Match "" at [^a-zA-Z0-9_] */ | |
174 #define BRACE_LIMITS 17 /* nr nr define the min & max for BRACE_SIMPLE | |
175 * and BRACE_COMPLEX. */ | |
176 #define NEWL 18 /* Match line-break */ | |
177 #define BHPOS 19 /* End position for BEHIND or NOBEHIND */ | |
178 | |
179 | |
180 /* character classes: 20-48 normal, 50-78 include a line-break */ | |
181 #define ADD_NL 30 | |
182 #define FIRST_NL ANY + ADD_NL | |
183 #define ANY 20 /* Match any one character. */ | |
184 #define ANYOF 21 /* str Match any character in this string. */ | |
185 #define ANYBUT 22 /* str Match any character not in this | |
186 * string. */ | |
187 #define IDENT 23 /* Match identifier char */ | |
188 #define SIDENT 24 /* Match identifier char but no digit */ | |
189 #define KWORD 25 /* Match keyword char */ | |
190 #define SKWORD 26 /* Match word char but no digit */ | |
191 #define FNAME 27 /* Match file name char */ | |
192 #define SFNAME 28 /* Match file name char but no digit */ | |
193 #define PRINT 29 /* Match printable char */ | |
194 #define SPRINT 30 /* Match printable char but no digit */ | |
195 #define WHITE 31 /* Match whitespace char */ | |
196 #define NWHITE 32 /* Match non-whitespace char */ | |
197 #define DIGIT 33 /* Match digit char */ | |
198 #define NDIGIT 34 /* Match non-digit char */ | |
199 #define HEX 35 /* Match hex char */ | |
200 #define NHEX 36 /* Match non-hex char */ | |
201 #define OCTAL 37 /* Match octal char */ | |
202 #define NOCTAL 38 /* Match non-octal char */ | |
203 #define WORD 39 /* Match word char */ | |
204 #define NWORD 40 /* Match non-word char */ | |
205 #define HEAD 41 /* Match head char */ | |
206 #define NHEAD 42 /* Match non-head char */ | |
207 #define ALPHA 43 /* Match alpha char */ | |
208 #define NALPHA 44 /* Match non-alpha char */ | |
209 #define LOWER 45 /* Match lowercase char */ | |
210 #define NLOWER 46 /* Match non-lowercase char */ | |
211 #define UPPER 47 /* Match uppercase char */ | |
212 #define NUPPER 48 /* Match non-uppercase char */ | |
213 #define LAST_NL NUPPER + ADD_NL | |
214 #define WITH_NL(op) ((op) >= FIRST_NL && (op) <= LAST_NL) | |
215 | |
216 #define MOPEN 80 /* -89 Mark this point in input as start of | |
217 * \( subexpr. MOPEN + 0 marks start of | |
218 * match. */ | |
219 #define MCLOSE 90 /* -99 Analogous to MOPEN. MCLOSE + 0 marks | |
220 * end of match. */ | |
221 #define BACKREF 100 /* -109 node Match same string again \1-\9 */ | |
222 | |
223 #ifdef FEAT_SYN_HL | |
224 # define ZOPEN 110 /* -119 Mark this point in input as start of | |
225 * \z( subexpr. */ | |
226 # define ZCLOSE 120 /* -129 Analogous to ZOPEN. */ | |
227 # define ZREF 130 /* -139 node Match external submatch \z1-\z9 */ | |
228 #endif | |
229 | |
230 #define BRACE_COMPLEX 140 /* -149 node Match nodes between m & n times */ | |
231 | |
232 #define NOPEN 150 /* Mark this point in input as start of | |
233 \%( subexpr. */ | |
234 #define NCLOSE 151 /* Analogous to NOPEN. */ | |
235 | |
236 #define MULTIBYTECODE 200 /* mbc Match one multi-byte character */ | |
237 #define RE_BOF 201 /* Match "" at beginning of file. */ | |
238 #define RE_EOF 202 /* Match "" at end of file. */ | |
239 #define CURSOR 203 /* Match location of cursor. */ | |
240 | |
241 #define RE_LNUM 204 /* nr cmp Match line number */ | |
242 #define RE_COL 205 /* nr cmp Match column number */ | |
243 #define RE_VCOL 206 /* nr cmp Match virtual column number */ | |
244 | |
639 | 245 #define RE_MARK 207 /* mark cmp Match mark position */ |
246 #define RE_VISUAL 208 /* Match Visual area */ | |
5901 | 247 #define RE_COMPOSING 209 /* any composing characters */ |
639 | 248 |
7 | 249 /* |
250 * Magic characters have a special meaning, they don't match literally. | |
251 * Magic characters are negative. This separates them from literal characters | |
252 * (possibly multi-byte). Only ASCII characters can be Magic. | |
253 */ | |
254 #define Magic(x) ((int)(x) - 256) | |
255 #define un_Magic(x) ((x) + 256) | |
256 #define is_Magic(x) ((x) < 0) | |
257 | |
258 static int | |
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
259 no_Magic(int x) |
7 | 260 { |
261 if (is_Magic(x)) | |
262 return un_Magic(x); | |
263 return x; | |
264 } | |
265 | |
266 static int | |
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
267 toggle_Magic(int x) |
7 | 268 { |
269 if (is_Magic(x)) | |
270 return un_Magic(x); | |
271 return Magic(x); | |
272 } | |
273 | |
274 /* | |
275 * The first byte of the regexp internal "program" is actually this magic | |
276 * number; the start node begins in the second byte. It's used to catch the | |
277 * most severe mutilation of the program by the caller. | |
278 */ | |
279 | |
280 #define REGMAGIC 0234 | |
281 | |
282 /* | |
283 * Opcode notes: | |
284 * | |
285 * BRANCH The set of branches constituting a single choice are hooked | |
286 * together with their "next" pointers, since precedence prevents | |
287 * anything being concatenated to any individual branch. The | |
288 * "next" pointer of the last BRANCH in a choice points to the | |
289 * thing following the whole choice. This is also where the | |
290 * final "next" pointer of each individual branch points; each | |
291 * branch starts with the operand node of a BRANCH node. | |
292 * | |
293 * BACK Normal "next" pointers all implicitly point forward; BACK | |
294 * exists to make loop structures possible. | |
295 * | |
296 * STAR,PLUS '=', and complex '*' and '+', are implemented as circular | |
297 * BRANCH structures using BACK. Simple cases (one character | |
298 * per match) are implemented with STAR and PLUS for speed | |
299 * and to minimize recursive plunges. | |
300 * | |
301 * BRACE_LIMITS This is always followed by a BRACE_SIMPLE or BRACE_COMPLEX | |
302 * node, and defines the min and max limits to be used for that | |
303 * node. | |
304 * | |
305 * MOPEN,MCLOSE ...are numbered at compile time. | |
306 * ZOPEN,ZCLOSE ...ditto | |
307 */ | |
308 | |
309 /* | |
310 * A node is one char of opcode followed by two chars of "next" pointer. | |
311 * "Next" pointers are stored as two 8-bit bytes, high order first. The | |
312 * value is a positive offset from the opcode of the node containing it. | |
313 * An operand, if any, simply follows the node. (Note that much of the | |
314 * code generation knows about this implicit relationship.) | |
315 * | |
316 * Using two bytes for the "next" pointer is vast overkill for most things, | |
317 * but allows patterns to get big without disasters. | |
318 */ | |
319 #define OP(p) ((int)*(p)) | |
320 #define NEXT(p) (((*((p) + 1) & 0377) << 8) + (*((p) + 2) & 0377)) | |
321 #define OPERAND(p) ((p) + 3) | |
322 /* Obtain an operand that was stored as four bytes, MSB first. */ | |
323 #define OPERAND_MIN(p) (((long)(p)[3] << 24) + ((long)(p)[4] << 16) \ | |
324 + ((long)(p)[5] << 8) + (long)(p)[6]) | |
325 /* Obtain a second operand stored as four bytes. */ | |
326 #define OPERAND_MAX(p) OPERAND_MIN((p) + 4) | |
327 /* Obtain a second single-byte operand stored after a four bytes operand. */ | |
328 #define OPERAND_CMP(p) (p)[7] | |
329 | |
330 /* | |
331 * Utility definitions. | |
332 */ | |
333 #define UCHARAT(p) ((int)*(char_u *)(p)) | |
334 | |
335 /* Used for an error (down from) vim_regcomp(): give the error message, set | |
336 * rc_did_emsg and return NULL */ | |
653 | 337 #define EMSG_RET_NULL(m) return (EMSG(m), rc_did_emsg = TRUE, (void *)NULL) |
10359
66f1b5bf3fa6
commit https://github.com/vim/vim/commit/95f096030ed1a8afea028f2ea295d6f6a70f466f
Christian Brabandt <cb@256bit.org>
parents:
10245
diff
changeset
|
338 #define IEMSG_RET_NULL(m) return (IEMSG(m), rc_did_emsg = TRUE, (void *)NULL) |
308 | 339 #define EMSG_RET_FAIL(m) return (EMSG(m), rc_did_emsg = TRUE, FAIL) |
4444 | 340 #define EMSG2_RET_NULL(m, c) return (EMSG2((m), (c) ? "" : "\\"), rc_did_emsg = TRUE, (void *)NULL) |
341 #define EMSG2_RET_FAIL(m, c) return (EMSG2((m), (c) ? "" : "\\"), rc_did_emsg = TRUE, FAIL) | |
342 #define EMSG_ONE_RET_NULL EMSG2_RET_NULL(_("E369: invalid item in %s%%[]"), reg_magic == MAGIC_ALL) | |
7 | 343 |
10359
66f1b5bf3fa6
commit https://github.com/vim/vim/commit/95f096030ed1a8afea028f2ea295d6f6a70f466f
Christian Brabandt <cb@256bit.org>
parents:
10245
diff
changeset
|
344 |
7 | 345 #define MAX_LIMIT (32767L << 16L) |
346 | |
7805
0b6c37dd858d
commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077
Christian Brabandt <cb@256bit.org>
parents:
7009
diff
changeset
|
347 static int re_multi_type(int); |
0b6c37dd858d
commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077
Christian Brabandt <cb@256bit.org>
parents:
7009
diff
changeset
|
348 static int cstrncmp(char_u *s1, char_u *s2, int *n); |
0b6c37dd858d
commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077
Christian Brabandt <cb@256bit.org>
parents:
7009
diff
changeset
|
349 static char_u *cstrchr(char_u *, int); |
7 | 350 |
4444 | 351 #ifdef BT_REGEXP_DUMP |
7805
0b6c37dd858d
commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077
Christian Brabandt <cb@256bit.org>
parents:
7009
diff
changeset
|
352 static void regdump(char_u *, bt_regprog_T *); |
4444 | 353 #endif |
7 | 354 #ifdef DEBUG |
7805
0b6c37dd858d
commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077
Christian Brabandt <cb@256bit.org>
parents:
7009
diff
changeset
|
355 static char_u *regprop(char_u *); |
0b6c37dd858d
commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077
Christian Brabandt <cb@256bit.org>
parents:
7009
diff
changeset
|
356 #endif |
0b6c37dd858d
commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077
Christian Brabandt <cb@256bit.org>
parents:
7009
diff
changeset
|
357 |
0b6c37dd858d
commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077
Christian Brabandt <cb@256bit.org>
parents:
7009
diff
changeset
|
358 static int re_mult_next(char *what); |
6203 | 359 |
4444 | 360 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
|
361 static char_u e_reverse_range[] = N_("E944: Reverse range in character class"); |
11482
e691ebe6558e
patch 8.0.0624: warning for unused variable in tiny build
Christian Brabandt <cb@256bit.org>
parents:
11480
diff
changeset
|
362 #ifdef FEAT_MBYTE |
11480
99ce30ac4226
patch 8.0.0623: error for invalid regexp is not very informative
Christian Brabandt <cb@256bit.org>
parents:
11269
diff
changeset
|
363 static char_u e_large_class[] = N_("E945: Range too large in character class"); |
11482
e691ebe6558e
patch 8.0.0624: warning for unused variable in tiny build
Christian Brabandt <cb@256bit.org>
parents:
11480
diff
changeset
|
364 #endif |
4444 | 365 static char_u e_unmatchedpp[] = N_("E53: Unmatched %s%%("); |
366 static char_u e_unmatchedp[] = N_("E54: Unmatched %s("); | |
367 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
|
368 #ifdef FEAT_SYN_HL |
4688
371cc0c44097
updated for version 7.3.1091
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
369 static char_u e_z_not_allowed[] = N_("E66: \\z( not allowed here"); |
371cc0c44097
updated for version 7.3.1091
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
370 static char_u e_z1_not_allowed[] = N_("E67: \\z1 et al. not allowed here"); |
4720
bd6bef0bd0fb
updated for version 7.3.1107
Bram Moolenaar <bram@vim.org>
parents:
4688
diff
changeset
|
371 #endif |
4744
a62695305e03
updated for version 7.3.1119
Bram Moolenaar <bram@vim.org>
parents:
4732
diff
changeset
|
372 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
|
373 static char_u e_empty_sb[] = N_("E70: Empty %s%%[]"); |
7 | 374 #define NOT_MULTI 0 |
375 #define MULTI_ONE 1 | |
376 #define MULTI_MULT 2 | |
377 /* | |
378 * Return NOT_MULTI if c is not a "multi" operator. | |
379 * Return MULTI_ONE if c is a single "multi" operator. | |
380 * Return MULTI_MULT if c is a multi "multi" operator. | |
381 */ | |
382 static int | |
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
383 re_multi_type(int c) |
7 | 384 { |
385 if (c == Magic('@') || c == Magic('=') || c == Magic('?')) | |
386 return MULTI_ONE; | |
387 if (c == Magic('*') || c == Magic('+') || c == Magic('{')) | |
388 return MULTI_MULT; | |
389 return NOT_MULTI; | |
390 } | |
391 | |
392 /* | |
393 * Flags to be passed up and down. | |
394 */ | |
395 #define HASWIDTH 0x1 /* Known never to match null string. */ | |
396 #define SIMPLE 0x2 /* Simple enough to be STAR/PLUS operand. */ | |
397 #define SPSTART 0x4 /* Starts with * or +. */ | |
398 #define HASNL 0x8 /* Contains some \n. */ | |
399 #define HASLOOKBH 0x10 /* Contains "\@<=" or "\@<!". */ | |
400 #define WORST 0 /* Worst case. */ | |
401 | |
402 /* | |
403 * When regcode is set to this value, code is not emitted and size is computed | |
404 * instead. | |
405 */ | |
406 #define JUST_CALC_SIZE ((char_u *) -1) | |
407 | |
359 | 408 static char_u *reg_prev_sub = NULL; |
409 | |
7 | 410 /* |
411 * REGEXP_INRANGE contains all characters which are always special in a [] | |
412 * range after '\'. | |
413 * REGEXP_ABBR contains all characters which act as abbreviations after '\'. | |
414 * These are: | |
415 * \n - New line (NL). | |
416 * \r - Carriage Return (CR). | |
417 * \t - Tab (TAB). | |
418 * \e - Escape (ESC). | |
419 * \b - Backspace (Ctrl_H). | |
24 | 420 * \d - Character code in decimal, eg \d123 |
421 * \o - Character code in octal, eg \o80 | |
422 * \x - Character code in hex, eg \x4a | |
423 * \u - Multibyte character code, eg \u20ac | |
424 * \U - Long multibyte character code, eg \U12345678 | |
7 | 425 */ |
426 static char_u REGEXP_INRANGE[] = "]^-n\\"; | |
24 | 427 static char_u REGEXP_ABBR[] = "nrtebdoxuU"; |
7 | 428 |
7805
0b6c37dd858d
commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077
Christian Brabandt <cb@256bit.org>
parents:
7009
diff
changeset
|
429 static int backslash_trans(int c); |
0b6c37dd858d
commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077
Christian Brabandt <cb@256bit.org>
parents:
7009
diff
changeset
|
430 static int get_char_class(char_u **pp); |
0b6c37dd858d
commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077
Christian Brabandt <cb@256bit.org>
parents:
7009
diff
changeset
|
431 static int get_equi_class(char_u **pp); |
0b6c37dd858d
commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077
Christian Brabandt <cb@256bit.org>
parents:
7009
diff
changeset
|
432 static void reg_equi_class(int c); |
0b6c37dd858d
commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077
Christian Brabandt <cb@256bit.org>
parents:
7009
diff
changeset
|
433 static int get_coll_element(char_u **pp); |
0b6c37dd858d
commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077
Christian Brabandt <cb@256bit.org>
parents:
7009
diff
changeset
|
434 static char_u *skip_anyof(char_u *p); |
0b6c37dd858d
commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077
Christian Brabandt <cb@256bit.org>
parents:
7009
diff
changeset
|
435 static void init_class_tab(void); |
7 | 436 |
437 /* | |
438 * Translate '\x' to its control character, except "\n", which is Magic. | |
439 */ | |
440 static int | |
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
441 backslash_trans(int c) |
7 | 442 { |
443 switch (c) | |
444 { | |
445 case 'r': return CAR; | |
446 case 't': return TAB; | |
447 case 'e': return ESC; | |
448 case 'b': return BS; | |
449 } | |
450 return c; | |
451 } | |
452 | |
453 /* | |
167 | 454 * Check for a character class name "[:name:]". "pp" points to the '['. |
7 | 455 * Returns one of the CLASS_ items. CLASS_NONE means that no item was |
456 * recognized. Otherwise "pp" is advanced to after the item. | |
457 */ | |
458 static int | |
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
459 get_char_class(char_u **pp) |
7 | 460 { |
461 static const char *(class_names[]) = | |
462 { | |
463 "alnum:]", | |
464 #define CLASS_ALNUM 0 | |
465 "alpha:]", | |
466 #define CLASS_ALPHA 1 | |
467 "blank:]", | |
468 #define CLASS_BLANK 2 | |
469 "cntrl:]", | |
470 #define CLASS_CNTRL 3 | |
471 "digit:]", | |
472 #define CLASS_DIGIT 4 | |
473 "graph:]", | |
474 #define CLASS_GRAPH 5 | |
475 "lower:]", | |
476 #define CLASS_LOWER 6 | |
477 "print:]", | |
478 #define CLASS_PRINT 7 | |
479 "punct:]", | |
480 #define CLASS_PUNCT 8 | |
481 "space:]", | |
482 #define CLASS_SPACE 9 | |
483 "upper:]", | |
484 #define CLASS_UPPER 10 | |
485 "xdigit:]", | |
486 #define CLASS_XDIGIT 11 | |
487 "tab:]", | |
488 #define CLASS_TAB 12 | |
489 "return:]", | |
490 #define CLASS_RETURN 13 | |
491 "backspace:]", | |
492 #define CLASS_BACKSPACE 14 | |
493 "escape:]", | |
494 #define CLASS_ESCAPE 15 | |
495 }; | |
496 #define CLASS_NONE 99 | |
497 int i; | |
498 | |
499 if ((*pp)[1] == ':') | |
500 { | |
1877 | 501 for (i = 0; i < (int)(sizeof(class_names) / sizeof(*class_names)); ++i) |
7 | 502 if (STRNCMP(*pp + 2, class_names[i], STRLEN(class_names[i])) == 0) |
503 { | |
504 *pp += STRLEN(class_names[i]) + 2; | |
505 return i; | |
506 } | |
507 } | |
508 return CLASS_NONE; | |
509 } | |
510 | |
511 /* | |
512 * Specific version of character class functions. | |
513 * Using a table to keep this fast. | |
514 */ | |
515 static short class_tab[256]; | |
516 | |
517 #define RI_DIGIT 0x01 | |
518 #define RI_HEX 0x02 | |
519 #define RI_OCTAL 0x04 | |
520 #define RI_WORD 0x08 | |
521 #define RI_HEAD 0x10 | |
522 #define RI_ALPHA 0x20 | |
523 #define RI_LOWER 0x40 | |
524 #define RI_UPPER 0x80 | |
525 #define RI_WHITE 0x100 | |
526 | |
527 static void | |
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
528 init_class_tab(void) |
7 | 529 { |
530 int i; | |
531 static int done = FALSE; | |
532 | |
533 if (done) | |
534 return; | |
535 | |
536 for (i = 0; i < 256; ++i) | |
537 { | |
538 if (i >= '0' && i <= '7') | |
539 class_tab[i] = RI_DIGIT + RI_HEX + RI_OCTAL + RI_WORD; | |
540 else if (i >= '8' && i <= '9') | |
541 class_tab[i] = RI_DIGIT + RI_HEX + RI_WORD; | |
542 else if (i >= 'a' && i <= 'f') | |
543 class_tab[i] = RI_HEX + RI_WORD + RI_HEAD + RI_ALPHA + RI_LOWER; | |
544 #ifdef EBCDIC | |
545 else if ((i >= 'g' && i <= 'i') || (i >= 'j' && i <= 'r') | |
546 || (i >= 's' && i <= 'z')) | |
547 #else | |
548 else if (i >= 'g' && i <= 'z') | |
549 #endif | |
550 class_tab[i] = RI_WORD + RI_HEAD + RI_ALPHA + RI_LOWER; | |
551 else if (i >= 'A' && i <= 'F') | |
552 class_tab[i] = RI_HEX + RI_WORD + RI_HEAD + RI_ALPHA + RI_UPPER; | |
553 #ifdef EBCDIC | |
554 else if ((i >= 'G' && i <= 'I') || ( i >= 'J' && i <= 'R') | |
555 || (i >= 'S' && i <= 'Z')) | |
556 #else | |
557 else if (i >= 'G' && i <= 'Z') | |
558 #endif | |
559 class_tab[i] = RI_WORD + RI_HEAD + RI_ALPHA + RI_UPPER; | |
560 else if (i == '_') | |
561 class_tab[i] = RI_WORD + RI_HEAD; | |
562 else | |
563 class_tab[i] = 0; | |
564 } | |
565 class_tab[' '] |= RI_WHITE; | |
566 class_tab['\t'] |= RI_WHITE; | |
567 done = TRUE; | |
568 } | |
569 | |
570 #ifdef FEAT_MBYTE | |
571 # define ri_digit(c) (c < 0x100 && (class_tab[c] & RI_DIGIT)) | |
572 # define ri_hex(c) (c < 0x100 && (class_tab[c] & RI_HEX)) | |
573 # define ri_octal(c) (c < 0x100 && (class_tab[c] & RI_OCTAL)) | |
574 # define ri_word(c) (c < 0x100 && (class_tab[c] & RI_WORD)) | |
575 # define ri_head(c) (c < 0x100 && (class_tab[c] & RI_HEAD)) | |
576 # define ri_alpha(c) (c < 0x100 && (class_tab[c] & RI_ALPHA)) | |
577 # define ri_lower(c) (c < 0x100 && (class_tab[c] & RI_LOWER)) | |
578 # define ri_upper(c) (c < 0x100 && (class_tab[c] & RI_UPPER)) | |
579 # define ri_white(c) (c < 0x100 && (class_tab[c] & RI_WHITE)) | |
580 #else | |
581 # define ri_digit(c) (class_tab[c] & RI_DIGIT) | |
582 # define ri_hex(c) (class_tab[c] & RI_HEX) | |
583 # define ri_octal(c) (class_tab[c] & RI_OCTAL) | |
584 # define ri_word(c) (class_tab[c] & RI_WORD) | |
585 # define ri_head(c) (class_tab[c] & RI_HEAD) | |
586 # define ri_alpha(c) (class_tab[c] & RI_ALPHA) | |
587 # define ri_lower(c) (class_tab[c] & RI_LOWER) | |
588 # define ri_upper(c) (class_tab[c] & RI_UPPER) | |
589 # define ri_white(c) (class_tab[c] & RI_WHITE) | |
590 #endif | |
591 | |
592 /* flags for regflags */ | |
593 #define RF_ICASE 1 /* ignore case */ | |
594 #define RF_NOICASE 2 /* don't ignore case */ | |
595 #define RF_HASNL 4 /* can match a NL */ | |
596 #define RF_ICOMBINE 8 /* ignore combining characters */ | |
597 #define RF_LOOKBH 16 /* uses "\@<=" or "\@<!" */ | |
598 | |
599 /* | |
600 * Global work variables for vim_regcomp(). | |
601 */ | |
602 | |
603 static char_u *regparse; /* Input-scan pointer. */ | |
604 static int prevchr_len; /* byte length of previous char */ | |
605 static int num_complex_braces; /* Complex \{...} count */ | |
606 static int regnpar; /* () count. */ | |
607 #ifdef FEAT_SYN_HL | |
608 static int regnzpar; /* \z() count. */ | |
609 static int re_has_z; /* \z item detected */ | |
610 #endif | |
611 static char_u *regcode; /* Code-emit pointer, or JUST_CALC_SIZE */ | |
612 static long regsize; /* Code size. */ | |
2010 | 613 static int reg_toolong; /* TRUE when offset out of range */ |
7 | 614 static char_u had_endbrace[NSUBEXP]; /* flags, TRUE if end of () found */ |
615 static unsigned regflags; /* RF_ flags for prog */ | |
616 static long brace_min[10]; /* Minimums for complex brace repeats */ | |
617 static long brace_max[10]; /* Maximums for complex brace repeats */ | |
618 static int brace_count[10]; /* Current counts for complex brace repeats */ | |
619 #if defined(FEAT_SYN_HL) || defined(PROTO) | |
620 static int had_eol; /* TRUE when EOL found by vim_regcomp() */ | |
621 #endif | |
622 static int one_exactly = FALSE; /* only do one char for EXACTLY */ | |
623 | |
624 static int reg_magic; /* magicness of the pattern: */ | |
625 #define MAGIC_NONE 1 /* "\V" very unmagic */ | |
626 #define MAGIC_OFF 2 /* "\M" or 'magic' off */ | |
627 #define MAGIC_ON 3 /* "\m" or 'magic' */ | |
628 #define MAGIC_ALL 4 /* "\v" very magic */ | |
629 | |
630 static int reg_string; /* matching with a string instead of a buffer | |
631 line */ | |
481 | 632 static int reg_strict; /* "[abc" is illegal */ |
7 | 633 |
634 /* | |
635 * META contains all characters that may be magic, except '^' and '$'. | |
636 */ | |
637 | |
638 #ifdef EBCDIC | |
639 static char_u META[] = "%&()*+.123456789<=>?@ACDFHIKLMOPSUVWX[_acdfhiklmnopsuvwxz{|~"; | |
640 #else | |
641 /* META[] is used often enough to justify turning it into a table. */ | |
642 static char_u META_flags[] = { | |
643 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, | |
644 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, | |
645 /* % & ( ) * + . */ | |
646 0, 0, 0, 0, 0, 1, 1, 0, 1, 1, 1, 1, 0, 0, 1, 0, | |
647 /* 1 2 3 4 5 6 7 8 9 < = > ? */ | |
648 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 1, 1, 1, 1, | |
649 /* @ A C D F H I K L M O */ | |
650 1, 1, 0, 1, 1, 0, 1, 0, 1, 1, 0, 1, 1, 1, 0, 1, | |
651 /* P S U V W X Z [ _ */ | |
652 1, 0, 0, 1, 0, 1, 1, 1, 1, 0, 1, 1, 0, 0, 0, 1, | |
653 /* a c d f h i k l m n o */ | |
654 0, 1, 0, 1, 1, 0, 1, 0, 1, 1, 0, 1, 1, 1, 1, 1, | |
655 /* p s u v w x z { | ~ */ | |
656 1, 0, 0, 1, 0, 1, 1, 1, 1, 0, 1, 1, 1, 0, 1 | |
657 }; | |
658 #endif | |
659 | |
4444 | 660 static int curchr; /* currently parsed character */ |
661 /* Previous character. Note: prevchr is sometimes -1 when we are not at the | |
662 * start, eg in /[ ^I]^ the pattern was never found even if it existed, | |
663 * because ^ was taken to be magic -- webb */ | |
664 static int prevchr; | |
665 static int prevprevchr; /* previous-previous character */ | |
666 static int nextchr; /* used for ungetchr() */ | |
7 | 667 |
668 /* arguments for reg() */ | |
669 #define REG_NOPAREN 0 /* toplevel reg() */ | |
670 #define REG_PAREN 1 /* \(\) */ | |
671 #define REG_ZPAREN 2 /* \z(\) */ | |
672 #define REG_NPAREN 3 /* \%(\) */ | |
673 | |
4679
4d92b873acef
updated for version 7.3.1087
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
674 typedef struct |
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 char_u *regparse; |
4d92b873acef
updated for version 7.3.1087
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
677 int prevchr_len; |
4d92b873acef
updated for version 7.3.1087
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
678 int curchr; |
4d92b873acef
updated for version 7.3.1087
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
679 int prevchr; |
4d92b873acef
updated for version 7.3.1087
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
680 int prevprevchr; |
4d92b873acef
updated for version 7.3.1087
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
681 int nextchr; |
4d92b873acef
updated for version 7.3.1087
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
682 int at_start; |
4d92b873acef
updated for version 7.3.1087
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
683 int prev_at_start; |
4d92b873acef
updated for version 7.3.1087
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
684 int regnpar; |
4d92b873acef
updated for version 7.3.1087
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
685 } parse_state_T; |
4d92b873acef
updated for version 7.3.1087
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
686 |
7 | 687 /* |
688 * Forward declarations for vim_regcomp()'s friends. | |
689 */ | |
7805
0b6c37dd858d
commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077
Christian Brabandt <cb@256bit.org>
parents:
7009
diff
changeset
|
690 static void initchr(char_u *); |
0b6c37dd858d
commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077
Christian Brabandt <cb@256bit.org>
parents:
7009
diff
changeset
|
691 static void save_parse_state(parse_state_T *ps); |
0b6c37dd858d
commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077
Christian Brabandt <cb@256bit.org>
parents:
7009
diff
changeset
|
692 static void restore_parse_state(parse_state_T *ps); |
0b6c37dd858d
commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077
Christian Brabandt <cb@256bit.org>
parents:
7009
diff
changeset
|
693 static int getchr(void); |
0b6c37dd858d
commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077
Christian Brabandt <cb@256bit.org>
parents:
7009
diff
changeset
|
694 static void skipchr_keepstart(void); |
0b6c37dd858d
commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077
Christian Brabandt <cb@256bit.org>
parents:
7009
diff
changeset
|
695 static int peekchr(void); |
0b6c37dd858d
commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077
Christian Brabandt <cb@256bit.org>
parents:
7009
diff
changeset
|
696 static void skipchr(void); |
0b6c37dd858d
commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077
Christian Brabandt <cb@256bit.org>
parents:
7009
diff
changeset
|
697 static void ungetchr(void); |
0b6c37dd858d
commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077
Christian Brabandt <cb@256bit.org>
parents:
7009
diff
changeset
|
698 static int gethexchrs(int maxinputlen); |
0b6c37dd858d
commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077
Christian Brabandt <cb@256bit.org>
parents:
7009
diff
changeset
|
699 static int getoctchrs(void); |
0b6c37dd858d
commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077
Christian Brabandt <cb@256bit.org>
parents:
7009
diff
changeset
|
700 static int getdecchrs(void); |
0b6c37dd858d
commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077
Christian Brabandt <cb@256bit.org>
parents:
7009
diff
changeset
|
701 static int coll_get_char(void); |
0b6c37dd858d
commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077
Christian Brabandt <cb@256bit.org>
parents:
7009
diff
changeset
|
702 static void regcomp_start(char_u *expr, int flags); |
0b6c37dd858d
commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077
Christian Brabandt <cb@256bit.org>
parents:
7009
diff
changeset
|
703 static char_u *reg(int, int *); |
0b6c37dd858d
commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077
Christian Brabandt <cb@256bit.org>
parents:
7009
diff
changeset
|
704 static char_u *regbranch(int *flagp); |
0b6c37dd858d
commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077
Christian Brabandt <cb@256bit.org>
parents:
7009
diff
changeset
|
705 static char_u *regconcat(int *flagp); |
0b6c37dd858d
commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077
Christian Brabandt <cb@256bit.org>
parents:
7009
diff
changeset
|
706 static char_u *regpiece(int *); |
0b6c37dd858d
commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077
Christian Brabandt <cb@256bit.org>
parents:
7009
diff
changeset
|
707 static char_u *regatom(int *); |
0b6c37dd858d
commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077
Christian Brabandt <cb@256bit.org>
parents:
7009
diff
changeset
|
708 static char_u *regnode(int); |
714 | 709 #ifdef FEAT_MBYTE |
7805
0b6c37dd858d
commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077
Christian Brabandt <cb@256bit.org>
parents:
7009
diff
changeset
|
710 static int use_multibytecode(int c); |
0b6c37dd858d
commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077
Christian Brabandt <cb@256bit.org>
parents:
7009
diff
changeset
|
711 #endif |
0b6c37dd858d
commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077
Christian Brabandt <cb@256bit.org>
parents:
7009
diff
changeset
|
712 static int prog_magic_wrong(void); |
0b6c37dd858d
commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077
Christian Brabandt <cb@256bit.org>
parents:
7009
diff
changeset
|
713 static char_u *regnext(char_u *); |
0b6c37dd858d
commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077
Christian Brabandt <cb@256bit.org>
parents:
7009
diff
changeset
|
714 static void regc(int b); |
7 | 715 #ifdef FEAT_MBYTE |
7805
0b6c37dd858d
commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077
Christian Brabandt <cb@256bit.org>
parents:
7009
diff
changeset
|
716 static void regmbc(int c); |
2974 | 717 # define REGMBC(x) regmbc(x); |
718 # define CASEMBC(x) case x: | |
167 | 719 #else |
720 # define regmbc(c) regc(c) | |
2974 | 721 # define REGMBC(x) |
722 # define CASEMBC(x) | |
7 | 723 #endif |
7805
0b6c37dd858d
commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077
Christian Brabandt <cb@256bit.org>
parents:
7009
diff
changeset
|
724 static void reginsert(int, char_u *); |
0b6c37dd858d
commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077
Christian Brabandt <cb@256bit.org>
parents:
7009
diff
changeset
|
725 static void reginsert_nr(int op, long val, char_u *opnd); |
0b6c37dd858d
commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077
Christian Brabandt <cb@256bit.org>
parents:
7009
diff
changeset
|
726 static void reginsert_limits(int, long, long, char_u *); |
0b6c37dd858d
commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077
Christian Brabandt <cb@256bit.org>
parents:
7009
diff
changeset
|
727 static char_u *re_put_long(char_u *pr, long_u val); |
0b6c37dd858d
commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077
Christian Brabandt <cb@256bit.org>
parents:
7009
diff
changeset
|
728 static int read_limits(long *, long *); |
0b6c37dd858d
commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077
Christian Brabandt <cb@256bit.org>
parents:
7009
diff
changeset
|
729 static void regtail(char_u *, char_u *); |
0b6c37dd858d
commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077
Christian Brabandt <cb@256bit.org>
parents:
7009
diff
changeset
|
730 static void regoptail(char_u *, char_u *); |
7 | 731 |
4444 | 732 static regengine_T bt_regengine; |
733 static regengine_T nfa_regengine; | |
734 | |
7 | 735 /* |
736 * Return TRUE if compiled regular expression "prog" can match a line break. | |
737 */ | |
738 int | |
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
739 re_multiline(regprog_T *prog) |
7 | 740 { |
741 return (prog->regflags & RF_HASNL); | |
742 } | |
743 | |
744 /* | |
745 * Return TRUE if compiled regular expression "prog" looks before the start | |
746 * position (pattern contains "\@<=" or "\@<!"). | |
747 */ | |
748 int | |
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
749 re_lookbehind(regprog_T *prog) |
7 | 750 { |
751 return (prog->regflags & RF_LOOKBH); | |
752 } | |
753 | |
754 /* | |
167 | 755 * Check for an equivalence class name "[=a=]". "pp" points to the '['. |
756 * Returns a character representing the class. Zero means that no item was | |
757 * recognized. Otherwise "pp" is advanced to after the item. | |
758 */ | |
759 static int | |
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
760 get_equi_class(char_u **pp) |
167 | 761 { |
762 int c; | |
763 int l = 1; | |
764 char_u *p = *pp; | |
765 | |
766 if (p[1] == '=') | |
767 { | |
768 #ifdef FEAT_MBYTE | |
769 if (has_mbyte) | |
474 | 770 l = (*mb_ptr2len)(p + 2); |
167 | 771 #endif |
772 if (p[l + 2] == '=' && p[l + 3] == ']') | |
773 { | |
774 #ifdef FEAT_MBYTE | |
775 if (has_mbyte) | |
776 c = mb_ptr2char(p + 2); | |
777 else | |
778 #endif | |
779 c = p[2]; | |
780 *pp += l + 4; | |
781 return c; | |
782 } | |
783 } | |
784 return 0; | |
785 } | |
786 | |
2247
c40cd9aad546
Add patch to improve support of z/OS (OS/390). (Ralf Schandl)
Bram Moolenaar <bram@vim.org>
parents:
2173
diff
changeset
|
787 #ifdef EBCDIC |
c40cd9aad546
Add patch to improve support of z/OS (OS/390). (Ralf Schandl)
Bram Moolenaar <bram@vim.org>
parents:
2173
diff
changeset
|
788 /* |
c40cd9aad546
Add patch to improve support of z/OS (OS/390). (Ralf Schandl)
Bram Moolenaar <bram@vim.org>
parents:
2173
diff
changeset
|
789 * 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
|
790 */ |
c40cd9aad546
Add patch to improve support of z/OS (OS/390). (Ralf Schandl)
Bram Moolenaar <bram@vim.org>
parents:
2173
diff
changeset
|
791 char *EQUIVAL_CLASS_C[16] = { |
c40cd9aad546
Add patch to improve support of z/OS (OS/390). (Ralf Schandl)
Bram Moolenaar <bram@vim.org>
parents:
2173
diff
changeset
|
792 "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
|
793 "C\x68", |
c40cd9aad546
Add patch to improve support of z/OS (OS/390). (Ralf Schandl)
Bram Moolenaar <bram@vim.org>
parents:
2173
diff
changeset
|
794 "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
|
795 "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
|
796 "N\x69", |
8825
318eaa6fa973
commit https://github.com/vim/vim/commit/22e421549d54147d003f6444de007cb1d73f1d27
Christian Brabandt <cb@256bit.org>
parents:
8212
diff
changeset
|
797 "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
|
798 "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
|
799 "Y\xBA", |
c40cd9aad546
Add patch to improve support of z/OS (OS/390). (Ralf Schandl)
Bram Moolenaar <bram@vim.org>
parents:
2173
diff
changeset
|
800 "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
|
801 "c\x48", |
c40cd9aad546
Add patch to improve support of z/OS (OS/390). (Ralf Schandl)
Bram Moolenaar <bram@vim.org>
parents:
2173
diff
changeset
|
802 "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
|
803 "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
|
804 "n\x49", |
8825
318eaa6fa973
commit https://github.com/vim/vim/commit/22e421549d54147d003f6444de007cb1d73f1d27
Christian Brabandt <cb@256bit.org>
parents:
8212
diff
changeset
|
805 "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
|
806 "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
|
807 "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
|
808 }; |
c40cd9aad546
Add patch to improve support of z/OS (OS/390). (Ralf Schandl)
Bram Moolenaar <bram@vim.org>
parents:
2173
diff
changeset
|
809 #endif |
c40cd9aad546
Add patch to improve support of z/OS (OS/390). (Ralf Schandl)
Bram Moolenaar <bram@vim.org>
parents:
2173
diff
changeset
|
810 |
167 | 811 /* |
812 * Produce the bytes for equivalence class "c". | |
813 * Currently only handles latin1, latin9 and utf-8. | |
4444 | 814 * NOTE: When changing this function, also change nfa_emit_equi_class() |
167 | 815 */ |
816 static void | |
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
817 reg_equi_class(int c) |
167 | 818 { |
819 #ifdef FEAT_MBYTE | |
820 if (enc_utf8 || STRCMP(p_enc, "latin1") == 0 | |
492 | 821 || STRCMP(p_enc, "iso-8859-15") == 0) |
167 | 822 #endif |
823 { | |
2247
c40cd9aad546
Add patch to improve support of z/OS (OS/390). (Ralf Schandl)
Bram Moolenaar <bram@vim.org>
parents:
2173
diff
changeset
|
824 #ifdef EBCDIC |
c40cd9aad546
Add patch to improve support of z/OS (OS/390). (Ralf Schandl)
Bram Moolenaar <bram@vim.org>
parents:
2173
diff
changeset
|
825 int i; |
c40cd9aad546
Add patch to improve support of z/OS (OS/390). (Ralf Schandl)
Bram Moolenaar <bram@vim.org>
parents:
2173
diff
changeset
|
826 |
c40cd9aad546
Add patch to improve support of z/OS (OS/390). (Ralf Schandl)
Bram Moolenaar <bram@vim.org>
parents:
2173
diff
changeset
|
827 /* This might be slower than switch/case below. */ |
c40cd9aad546
Add patch to improve support of z/OS (OS/390). (Ralf Schandl)
Bram Moolenaar <bram@vim.org>
parents:
2173
diff
changeset
|
828 for (i = 0; i < 16; i++) |
c40cd9aad546
Add patch to improve support of z/OS (OS/390). (Ralf Schandl)
Bram Moolenaar <bram@vim.org>
parents:
2173
diff
changeset
|
829 { |
c40cd9aad546
Add patch to improve support of z/OS (OS/390). (Ralf Schandl)
Bram Moolenaar <bram@vim.org>
parents:
2173
diff
changeset
|
830 if (vim_strchr(EQUIVAL_CLASS_C[i], c) != NULL) |
c40cd9aad546
Add patch to improve support of z/OS (OS/390). (Ralf Schandl)
Bram Moolenaar <bram@vim.org>
parents:
2173
diff
changeset
|
831 { |
c40cd9aad546
Add patch to improve support of z/OS (OS/390). (Ralf Schandl)
Bram Moolenaar <bram@vim.org>
parents:
2173
diff
changeset
|
832 char *p = EQUIVAL_CLASS_C[i]; |
c40cd9aad546
Add patch to improve support of z/OS (OS/390). (Ralf Schandl)
Bram Moolenaar <bram@vim.org>
parents:
2173
diff
changeset
|
833 |
c40cd9aad546
Add patch to improve support of z/OS (OS/390). (Ralf Schandl)
Bram Moolenaar <bram@vim.org>
parents:
2173
diff
changeset
|
834 while (*p != 0) |
c40cd9aad546
Add patch to improve support of z/OS (OS/390). (Ralf Schandl)
Bram Moolenaar <bram@vim.org>
parents:
2173
diff
changeset
|
835 regmbc(*p++); |
c40cd9aad546
Add patch to improve support of z/OS (OS/390). (Ralf Schandl)
Bram Moolenaar <bram@vim.org>
parents:
2173
diff
changeset
|
836 return; |
c40cd9aad546
Add patch to improve support of z/OS (OS/390). (Ralf Schandl)
Bram Moolenaar <bram@vim.org>
parents:
2173
diff
changeset
|
837 } |
c40cd9aad546
Add patch to improve support of z/OS (OS/390). (Ralf Schandl)
Bram Moolenaar <bram@vim.org>
parents:
2173
diff
changeset
|
838 } |
c40cd9aad546
Add patch to improve support of z/OS (OS/390). (Ralf Schandl)
Bram Moolenaar <bram@vim.org>
parents:
2173
diff
changeset
|
839 #else |
167 | 840 switch (c) |
841 { | |
6765 | 842 /* Do not use '\300' style, it results in a negative number. */ |
843 case 'A': case 0xc0: case 0xc1: case 0xc2: | |
844 case 0xc3: case 0xc4: case 0xc5: | |
2974 | 845 CASEMBC(0x100) CASEMBC(0x102) CASEMBC(0x104) CASEMBC(0x1cd) |
846 CASEMBC(0x1de) CASEMBC(0x1e0) CASEMBC(0x1ea2) | |
6765 | 847 regmbc('A'); regmbc(0xc0); regmbc(0xc1); |
848 regmbc(0xc2); regmbc(0xc3); regmbc(0xc4); | |
849 regmbc(0xc5); | |
2974 | 850 REGMBC(0x100) REGMBC(0x102) REGMBC(0x104) |
851 REGMBC(0x1cd) REGMBC(0x1de) REGMBC(0x1e0) | |
852 REGMBC(0x1ea2) | |
853 return; | |
854 case 'B': CASEMBC(0x1e02) CASEMBC(0x1e06) | |
855 regmbc('B'); REGMBC(0x1e02) REGMBC(0x1e06) | |
167 | 856 return; |
6765 | 857 case 'C': case 0xc7: |
2974 | 858 CASEMBC(0x106) CASEMBC(0x108) CASEMBC(0x10a) CASEMBC(0x10c) |
6765 | 859 regmbc('C'); regmbc(0xc7); |
2974 | 860 REGMBC(0x106) REGMBC(0x108) REGMBC(0x10a) |
861 REGMBC(0x10c) | |
862 return; | |
863 case 'D': CASEMBC(0x10e) CASEMBC(0x110) CASEMBC(0x1e0a) | |
864 CASEMBC(0x1e0e) CASEMBC(0x1e10) | |
865 regmbc('D'); REGMBC(0x10e) REGMBC(0x110) | |
866 REGMBC(0x1e0a) REGMBC(0x1e0e) REGMBC(0x1e10) | |
167 | 867 return; |
6765 | 868 case 'E': case 0xc8: case 0xc9: case 0xca: case 0xcb: |
2974 | 869 CASEMBC(0x112) CASEMBC(0x114) CASEMBC(0x116) CASEMBC(0x118) |
870 CASEMBC(0x11a) CASEMBC(0x1eba) CASEMBC(0x1ebc) | |
6765 | 871 regmbc('E'); regmbc(0xc8); regmbc(0xc9); |
872 regmbc(0xca); regmbc(0xcb); | |
2974 | 873 REGMBC(0x112) REGMBC(0x114) REGMBC(0x116) |
874 REGMBC(0x118) REGMBC(0x11a) REGMBC(0x1eba) | |
875 REGMBC(0x1ebc) | |
876 return; | |
877 case 'F': CASEMBC(0x1e1e) | |
878 regmbc('F'); REGMBC(0x1e1e) | |
879 return; | |
880 case 'G': CASEMBC(0x11c) CASEMBC(0x11e) CASEMBC(0x120) | |
881 CASEMBC(0x122) CASEMBC(0x1e4) CASEMBC(0x1e6) CASEMBC(0x1f4) | |
882 CASEMBC(0x1e20) | |
883 regmbc('G'); REGMBC(0x11c) REGMBC(0x11e) | |
884 REGMBC(0x120) REGMBC(0x122) REGMBC(0x1e4) | |
885 REGMBC(0x1e6) REGMBC(0x1f4) REGMBC(0x1e20) | |
886 return; | |
887 case 'H': CASEMBC(0x124) CASEMBC(0x126) CASEMBC(0x1e22) | |
888 CASEMBC(0x1e26) CASEMBC(0x1e28) | |
889 regmbc('H'); REGMBC(0x124) REGMBC(0x126) | |
890 REGMBC(0x1e22) REGMBC(0x1e26) REGMBC(0x1e28) | |
167 | 891 return; |
6765 | 892 case 'I': case 0xcc: case 0xcd: case 0xce: case 0xcf: |
2974 | 893 CASEMBC(0x128) CASEMBC(0x12a) CASEMBC(0x12c) CASEMBC(0x12e) |
894 CASEMBC(0x130) CASEMBC(0x1cf) CASEMBC(0x1ec8) | |
6765 | 895 regmbc('I'); regmbc(0xcc); regmbc(0xcd); |
896 regmbc(0xce); regmbc(0xcf); | |
2974 | 897 REGMBC(0x128) REGMBC(0x12a) REGMBC(0x12c) |
898 REGMBC(0x12e) REGMBC(0x130) REGMBC(0x1cf) | |
899 REGMBC(0x1ec8) | |
900 return; | |
901 case 'J': CASEMBC(0x134) | |
902 regmbc('J'); REGMBC(0x134) | |
903 return; | |
904 case 'K': CASEMBC(0x136) CASEMBC(0x1e8) CASEMBC(0x1e30) | |
905 CASEMBC(0x1e34) | |
906 regmbc('K'); REGMBC(0x136) REGMBC(0x1e8) | |
907 REGMBC(0x1e30) REGMBC(0x1e34) | |
908 return; | |
909 case 'L': CASEMBC(0x139) CASEMBC(0x13b) CASEMBC(0x13d) | |
910 CASEMBC(0x13f) CASEMBC(0x141) CASEMBC(0x1e3a) | |
911 regmbc('L'); REGMBC(0x139) REGMBC(0x13b) | |
912 REGMBC(0x13d) REGMBC(0x13f) REGMBC(0x141) | |
913 REGMBC(0x1e3a) | |
914 return; | |
915 case 'M': CASEMBC(0x1e3e) CASEMBC(0x1e40) | |
916 regmbc('M'); REGMBC(0x1e3e) REGMBC(0x1e40) | |
167 | 917 return; |
6765 | 918 case 'N': case 0xd1: |
2974 | 919 CASEMBC(0x143) CASEMBC(0x145) CASEMBC(0x147) CASEMBC(0x1e44) |
920 CASEMBC(0x1e48) | |
6765 | 921 regmbc('N'); regmbc(0xd1); |
2974 | 922 REGMBC(0x143) REGMBC(0x145) REGMBC(0x147) |
923 REGMBC(0x1e44) REGMBC(0x1e48) | |
167 | 924 return; |
6765 | 925 case 'O': case 0xd2: case 0xd3: case 0xd4: case 0xd5: |
926 case 0xd6: case 0xd8: | |
2974 | 927 CASEMBC(0x14c) CASEMBC(0x14e) CASEMBC(0x150) CASEMBC(0x1a0) |
928 CASEMBC(0x1d1) CASEMBC(0x1ea) CASEMBC(0x1ec) CASEMBC(0x1ece) | |
6765 | 929 regmbc('O'); regmbc(0xd2); regmbc(0xd3); |
930 regmbc(0xd4); regmbc(0xd5); regmbc(0xd6); | |
931 regmbc(0xd8); | |
2974 | 932 REGMBC(0x14c) REGMBC(0x14e) REGMBC(0x150) |
933 REGMBC(0x1a0) REGMBC(0x1d1) REGMBC(0x1ea) | |
934 REGMBC(0x1ec) REGMBC(0x1ece) | |
935 return; | |
936 case 'P': case 0x1e54: case 0x1e56: | |
937 regmbc('P'); REGMBC(0x1e54) REGMBC(0x1e56) | |
938 return; | |
939 case 'R': CASEMBC(0x154) CASEMBC(0x156) CASEMBC(0x158) | |
940 CASEMBC(0x1e58) CASEMBC(0x1e5e) | |
941 regmbc('R'); REGMBC(0x154) REGMBC(0x156) REGMBC(0x158) | |
942 REGMBC(0x1e58) REGMBC(0x1e5e) | |
943 return; | |
944 case 'S': CASEMBC(0x15a) CASEMBC(0x15c) CASEMBC(0x15e) | |
945 CASEMBC(0x160) CASEMBC(0x1e60) | |
946 regmbc('S'); REGMBC(0x15a) REGMBC(0x15c) | |
947 REGMBC(0x15e) REGMBC(0x160) REGMBC(0x1e60) | |
948 return; | |
949 case 'T': CASEMBC(0x162) CASEMBC(0x164) CASEMBC(0x166) | |
950 CASEMBC(0x1e6a) CASEMBC(0x1e6e) | |
951 regmbc('T'); REGMBC(0x162) REGMBC(0x164) | |
952 REGMBC(0x166) REGMBC(0x1e6a) REGMBC(0x1e6e) | |
167 | 953 return; |
6765 | 954 case 'U': case 0xd9: case 0xda: case 0xdb: case 0xdc: |
2974 | 955 CASEMBC(0x168) CASEMBC(0x16a) CASEMBC(0x16c) CASEMBC(0x16e) |
956 CASEMBC(0x170) CASEMBC(0x172) CASEMBC(0x1af) CASEMBC(0x1d3) | |
957 CASEMBC(0x1ee6) | |
6765 | 958 regmbc('U'); regmbc(0xd9); regmbc(0xda); |
959 regmbc(0xdb); regmbc(0xdc); | |
2974 | 960 REGMBC(0x168) REGMBC(0x16a) REGMBC(0x16c) |
961 REGMBC(0x16e) REGMBC(0x170) REGMBC(0x172) | |
962 REGMBC(0x1af) REGMBC(0x1d3) REGMBC(0x1ee6) | |
963 return; | |
964 case 'V': CASEMBC(0x1e7c) | |
965 regmbc('V'); REGMBC(0x1e7c) | |
966 return; | |
967 case 'W': CASEMBC(0x174) CASEMBC(0x1e80) CASEMBC(0x1e82) | |
968 CASEMBC(0x1e84) CASEMBC(0x1e86) | |
969 regmbc('W'); REGMBC(0x174) REGMBC(0x1e80) | |
970 REGMBC(0x1e82) REGMBC(0x1e84) REGMBC(0x1e86) | |
971 return; | |
972 case 'X': CASEMBC(0x1e8a) CASEMBC(0x1e8c) | |
973 regmbc('X'); REGMBC(0x1e8a) REGMBC(0x1e8c) | |
167 | 974 return; |
6765 | 975 case 'Y': case 0xdd: |
2974 | 976 CASEMBC(0x176) CASEMBC(0x178) CASEMBC(0x1e8e) CASEMBC(0x1ef2) |
977 CASEMBC(0x1ef6) CASEMBC(0x1ef8) | |
6765 | 978 regmbc('Y'); regmbc(0xdd); |
2974 | 979 REGMBC(0x176) REGMBC(0x178) REGMBC(0x1e8e) |
980 REGMBC(0x1ef2) REGMBC(0x1ef6) REGMBC(0x1ef8) | |
981 return; | |
982 case 'Z': CASEMBC(0x179) CASEMBC(0x17b) CASEMBC(0x17d) | |
983 CASEMBC(0x1b5) CASEMBC(0x1e90) CASEMBC(0x1e94) | |
984 regmbc('Z'); REGMBC(0x179) REGMBC(0x17b) | |
985 REGMBC(0x17d) REGMBC(0x1b5) REGMBC(0x1e90) | |
986 REGMBC(0x1e94) | |
167 | 987 return; |
6765 | 988 case 'a': case 0xe0: case 0xe1: case 0xe2: |
989 case 0xe3: case 0xe4: case 0xe5: | |
2974 | 990 CASEMBC(0x101) CASEMBC(0x103) CASEMBC(0x105) CASEMBC(0x1ce) |
991 CASEMBC(0x1df) CASEMBC(0x1e1) CASEMBC(0x1ea3) | |
6765 | 992 regmbc('a'); regmbc(0xe0); regmbc(0xe1); |
993 regmbc(0xe2); regmbc(0xe3); regmbc(0xe4); | |
994 regmbc(0xe5); | |
2974 | 995 REGMBC(0x101) REGMBC(0x103) REGMBC(0x105) |
996 REGMBC(0x1ce) REGMBC(0x1df) REGMBC(0x1e1) | |
997 REGMBC(0x1ea3) | |
998 return; | |
999 case 'b': CASEMBC(0x1e03) CASEMBC(0x1e07) | |
1000 regmbc('b'); REGMBC(0x1e03) REGMBC(0x1e07) | |
167 | 1001 return; |
6765 | 1002 case 'c': case 0xe7: |
2974 | 1003 CASEMBC(0x107) CASEMBC(0x109) CASEMBC(0x10b) CASEMBC(0x10d) |
6765 | 1004 regmbc('c'); regmbc(0xe7); |
2974 | 1005 REGMBC(0x107) REGMBC(0x109) REGMBC(0x10b) |
1006 REGMBC(0x10d) | |
1007 return; | |
6914 | 1008 case 'd': CASEMBC(0x10f) CASEMBC(0x111) CASEMBC(0x1e0b) |
1009 CASEMBC(0x1e0f) CASEMBC(0x1e11) | |
2974 | 1010 regmbc('d'); REGMBC(0x10f) REGMBC(0x111) |
6914 | 1011 REGMBC(0x1e0b) REGMBC(0x1e0f) REGMBC(0x1e11) |
167 | 1012 return; |
6765 | 1013 case 'e': case 0xe8: case 0xe9: case 0xea: case 0xeb: |
2974 | 1014 CASEMBC(0x113) CASEMBC(0x115) CASEMBC(0x117) CASEMBC(0x119) |
1015 CASEMBC(0x11b) CASEMBC(0x1ebb) CASEMBC(0x1ebd) | |
6765 | 1016 regmbc('e'); regmbc(0xe8); regmbc(0xe9); |
1017 regmbc(0xea); regmbc(0xeb); | |
2974 | 1018 REGMBC(0x113) REGMBC(0x115) REGMBC(0x117) |
1019 REGMBC(0x119) REGMBC(0x11b) REGMBC(0x1ebb) | |
1020 REGMBC(0x1ebd) | |
1021 return; | |
1022 case 'f': CASEMBC(0x1e1f) | |
1023 regmbc('f'); REGMBC(0x1e1f) | |
1024 return; | |
1025 case 'g': CASEMBC(0x11d) CASEMBC(0x11f) CASEMBC(0x121) | |
1026 CASEMBC(0x123) CASEMBC(0x1e5) CASEMBC(0x1e7) CASEMBC(0x1f5) | |
1027 CASEMBC(0x1e21) | |
1028 regmbc('g'); REGMBC(0x11d) REGMBC(0x11f) | |
1029 REGMBC(0x121) REGMBC(0x123) REGMBC(0x1e5) | |
1030 REGMBC(0x1e7) REGMBC(0x1f5) REGMBC(0x1e21) | |
1031 return; | |
1032 case 'h': CASEMBC(0x125) CASEMBC(0x127) CASEMBC(0x1e23) | |
1033 CASEMBC(0x1e27) CASEMBC(0x1e29) CASEMBC(0x1e96) | |
1034 regmbc('h'); REGMBC(0x125) REGMBC(0x127) | |
1035 REGMBC(0x1e23) REGMBC(0x1e27) REGMBC(0x1e29) | |
1036 REGMBC(0x1e96) | |
167 | 1037 return; |
6765 | 1038 case 'i': case 0xec: case 0xed: case 0xee: case 0xef: |
2974 | 1039 CASEMBC(0x129) CASEMBC(0x12b) CASEMBC(0x12d) CASEMBC(0x12f) |
1040 CASEMBC(0x1d0) CASEMBC(0x1ec9) | |
6765 | 1041 regmbc('i'); regmbc(0xec); regmbc(0xed); |
1042 regmbc(0xee); regmbc(0xef); | |
2974 | 1043 REGMBC(0x129) REGMBC(0x12b) REGMBC(0x12d) |
1044 REGMBC(0x12f) REGMBC(0x1d0) REGMBC(0x1ec9) | |
1045 return; | |
1046 case 'j': CASEMBC(0x135) CASEMBC(0x1f0) | |
1047 regmbc('j'); REGMBC(0x135) REGMBC(0x1f0) | |
1048 return; | |
1049 case 'k': CASEMBC(0x137) CASEMBC(0x1e9) CASEMBC(0x1e31) | |
1050 CASEMBC(0x1e35) | |
1051 regmbc('k'); REGMBC(0x137) REGMBC(0x1e9) | |
1052 REGMBC(0x1e31) REGMBC(0x1e35) | |
1053 return; | |
1054 case 'l': CASEMBC(0x13a) CASEMBC(0x13c) CASEMBC(0x13e) | |
1055 CASEMBC(0x140) CASEMBC(0x142) CASEMBC(0x1e3b) | |
1056 regmbc('l'); REGMBC(0x13a) REGMBC(0x13c) | |
1057 REGMBC(0x13e) REGMBC(0x140) REGMBC(0x142) | |
1058 REGMBC(0x1e3b) | |
1059 return; | |
1060 case 'm': CASEMBC(0x1e3f) CASEMBC(0x1e41) | |
1061 regmbc('m'); REGMBC(0x1e3f) REGMBC(0x1e41) | |
167 | 1062 return; |
6765 | 1063 case 'n': case 0xf1: |
2974 | 1064 CASEMBC(0x144) CASEMBC(0x146) CASEMBC(0x148) CASEMBC(0x149) |
1065 CASEMBC(0x1e45) CASEMBC(0x1e49) | |
6765 | 1066 regmbc('n'); regmbc(0xf1); |
2974 | 1067 REGMBC(0x144) REGMBC(0x146) REGMBC(0x148) |
1068 REGMBC(0x149) REGMBC(0x1e45) REGMBC(0x1e49) | |
167 | 1069 return; |
6765 | 1070 case 'o': case 0xf2: case 0xf3: case 0xf4: case 0xf5: |
1071 case 0xf6: case 0xf8: | |
2974 | 1072 CASEMBC(0x14d) CASEMBC(0x14f) CASEMBC(0x151) CASEMBC(0x1a1) |
1073 CASEMBC(0x1d2) CASEMBC(0x1eb) CASEMBC(0x1ed) CASEMBC(0x1ecf) | |
6765 | 1074 regmbc('o'); regmbc(0xf2); regmbc(0xf3); |
1075 regmbc(0xf4); regmbc(0xf5); regmbc(0xf6); | |
1076 regmbc(0xf8); | |
2974 | 1077 REGMBC(0x14d) REGMBC(0x14f) REGMBC(0x151) |
1078 REGMBC(0x1a1) REGMBC(0x1d2) REGMBC(0x1eb) | |
1079 REGMBC(0x1ed) REGMBC(0x1ecf) | |
1080 return; | |
1081 case 'p': CASEMBC(0x1e55) CASEMBC(0x1e57) | |
1082 regmbc('p'); REGMBC(0x1e55) REGMBC(0x1e57) | |
1083 return; | |
1084 case 'r': CASEMBC(0x155) CASEMBC(0x157) CASEMBC(0x159) | |
1085 CASEMBC(0x1e59) CASEMBC(0x1e5f) | |
1086 regmbc('r'); REGMBC(0x155) REGMBC(0x157) REGMBC(0x159) | |
1087 REGMBC(0x1e59) REGMBC(0x1e5f) | |
1088 return; | |
1089 case 's': CASEMBC(0x15b) CASEMBC(0x15d) CASEMBC(0x15f) | |
1090 CASEMBC(0x161) CASEMBC(0x1e61) | |
1091 regmbc('s'); REGMBC(0x15b) REGMBC(0x15d) | |
1092 REGMBC(0x15f) REGMBC(0x161) REGMBC(0x1e61) | |
1093 return; | |
1094 case 't': CASEMBC(0x163) CASEMBC(0x165) CASEMBC(0x167) | |
1095 CASEMBC(0x1e6b) CASEMBC(0x1e6f) CASEMBC(0x1e97) | |
1096 regmbc('t'); REGMBC(0x163) REGMBC(0x165) REGMBC(0x167) | |
1097 REGMBC(0x1e6b) REGMBC(0x1e6f) REGMBC(0x1e97) | |
167 | 1098 return; |
6765 | 1099 case 'u': case 0xf9: case 0xfa: case 0xfb: case 0xfc: |
2974 | 1100 CASEMBC(0x169) CASEMBC(0x16b) CASEMBC(0x16d) CASEMBC(0x16f) |
1101 CASEMBC(0x171) CASEMBC(0x173) CASEMBC(0x1b0) CASEMBC(0x1d4) | |
1102 CASEMBC(0x1ee7) | |
6765 | 1103 regmbc('u'); regmbc(0xf9); regmbc(0xfa); |
1104 regmbc(0xfb); regmbc(0xfc); | |
2974 | 1105 REGMBC(0x169) REGMBC(0x16b) REGMBC(0x16d) |
1106 REGMBC(0x16f) REGMBC(0x171) REGMBC(0x173) | |
1107 REGMBC(0x1b0) REGMBC(0x1d4) REGMBC(0x1ee7) | |
1108 return; | |
1109 case 'v': CASEMBC(0x1e7d) | |
1110 regmbc('v'); REGMBC(0x1e7d) | |
1111 return; | |
1112 case 'w': CASEMBC(0x175) CASEMBC(0x1e81) CASEMBC(0x1e83) | |
1113 CASEMBC(0x1e85) CASEMBC(0x1e87) CASEMBC(0x1e98) | |
1114 regmbc('w'); REGMBC(0x175) REGMBC(0x1e81) | |
1115 REGMBC(0x1e83) REGMBC(0x1e85) REGMBC(0x1e87) | |
1116 REGMBC(0x1e98) | |
1117 return; | |
1118 case 'x': CASEMBC(0x1e8b) CASEMBC(0x1e8d) | |
1119 regmbc('x'); REGMBC(0x1e8b) REGMBC(0x1e8d) | |
167 | 1120 return; |
6765 | 1121 case 'y': case 0xfd: case 0xff: |
2974 | 1122 CASEMBC(0x177) CASEMBC(0x1e8f) CASEMBC(0x1e99) |
1123 CASEMBC(0x1ef3) CASEMBC(0x1ef7) CASEMBC(0x1ef9) | |
6765 | 1124 regmbc('y'); regmbc(0xfd); regmbc(0xff); |
2974 | 1125 REGMBC(0x177) REGMBC(0x1e8f) REGMBC(0x1e99) |
1126 REGMBC(0x1ef3) REGMBC(0x1ef7) REGMBC(0x1ef9) | |
1127 return; | |
1128 case 'z': CASEMBC(0x17a) CASEMBC(0x17c) CASEMBC(0x17e) | |
1129 CASEMBC(0x1b6) CASEMBC(0x1e91) CASEMBC(0x1e95) | |
1130 regmbc('z'); REGMBC(0x17a) REGMBC(0x17c) | |
1131 REGMBC(0x17e) REGMBC(0x1b6) REGMBC(0x1e91) | |
1132 REGMBC(0x1e95) | |
167 | 1133 return; |
1134 } | |
2247
c40cd9aad546
Add patch to improve support of z/OS (OS/390). (Ralf Schandl)
Bram Moolenaar <bram@vim.org>
parents:
2173
diff
changeset
|
1135 #endif |
167 | 1136 } |
1137 regmbc(c); | |
1138 } | |
1139 | |
1140 /* | |
1141 * Check for a collating element "[.a.]". "pp" points to the '['. | |
1142 * Returns a character. Zero means that no item was recognized. Otherwise | |
1143 * "pp" is advanced to after the item. | |
1144 * Currently only single characters are recognized! | |
1145 */ | |
1146 static int | |
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
1147 get_coll_element(char_u **pp) |
167 | 1148 { |
1149 int c; | |
1150 int l = 1; | |
1151 char_u *p = *pp; | |
1152 | |
6830 | 1153 if (p[0] != NUL && p[1] == '.') |
167 | 1154 { |
1155 #ifdef FEAT_MBYTE | |
1156 if (has_mbyte) | |
474 | 1157 l = (*mb_ptr2len)(p + 2); |
167 | 1158 #endif |
1159 if (p[l + 2] == '.' && p[l + 3] == ']') | |
1160 { | |
1161 #ifdef FEAT_MBYTE | |
1162 if (has_mbyte) | |
1163 c = mb_ptr2char(p + 2); | |
1164 else | |
1165 #endif | |
1166 c = p[2]; | |
1167 *pp += l + 4; | |
1168 return c; | |
1169 } | |
1170 } | |
1171 return 0; | |
1172 } | |
1173 | |
7805
0b6c37dd858d
commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077
Christian Brabandt <cb@256bit.org>
parents:
7009
diff
changeset
|
1174 static void get_cpo_flags(void); |
4744
a62695305e03
updated for version 7.3.1119
Bram Moolenaar <bram@vim.org>
parents:
4732
diff
changeset
|
1175 static int reg_cpo_lit; /* 'cpoptions' contains 'l' flag */ |
a62695305e03
updated for version 7.3.1119
Bram Moolenaar <bram@vim.org>
parents:
4732
diff
changeset
|
1176 static int reg_cpo_bsl; /* 'cpoptions' contains '\' flag */ |
a62695305e03
updated for version 7.3.1119
Bram Moolenaar <bram@vim.org>
parents:
4732
diff
changeset
|
1177 |
a62695305e03
updated for version 7.3.1119
Bram Moolenaar <bram@vim.org>
parents:
4732
diff
changeset
|
1178 static void |
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
1179 get_cpo_flags(void) |
4744
a62695305e03
updated for version 7.3.1119
Bram Moolenaar <bram@vim.org>
parents:
4732
diff
changeset
|
1180 { |
a62695305e03
updated for version 7.3.1119
Bram Moolenaar <bram@vim.org>
parents:
4732
diff
changeset
|
1181 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
|
1182 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
|
1183 } |
167 | 1184 |
1185 /* | |
1186 * Skip over a "[]" range. | |
1187 * "p" must point to the character after the '['. | |
1188 * The returned pointer is on the matching ']', or the terminating NUL. | |
1189 */ | |
1190 static char_u * | |
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
1191 skip_anyof(char_u *p) |
167 | 1192 { |
1193 #ifdef FEAT_MBYTE | |
1194 int l; | |
1195 #endif | |
1196 | |
1197 if (*p == '^') /* Complement of range. */ | |
1198 ++p; | |
1199 if (*p == ']' || *p == '-') | |
1200 ++p; | |
1201 while (*p != NUL && *p != ']') | |
1202 { | |
1203 #ifdef FEAT_MBYTE | |
474 | 1204 if (has_mbyte && (l = (*mb_ptr2len)(p)) > 1) |
167 | 1205 p += l; |
1206 else | |
1207 #endif | |
1208 if (*p == '-') | |
1209 { | |
1210 ++p; | |
1211 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
|
1212 MB_PTR_ADV(p); |
167 | 1213 } |
1214 else if (*p == '\\' | |
4744
a62695305e03
updated for version 7.3.1119
Bram Moolenaar <bram@vim.org>
parents:
4732
diff
changeset
|
1215 && !reg_cpo_bsl |
167 | 1216 && (vim_strchr(REGEXP_INRANGE, p[1]) != NULL |
4744
a62695305e03
updated for version 7.3.1119
Bram Moolenaar <bram@vim.org>
parents:
4732
diff
changeset
|
1217 || (!reg_cpo_lit && vim_strchr(REGEXP_ABBR, p[1]) != NULL))) |
167 | 1218 p += 2; |
1219 else if (*p == '[') | |
1220 { | |
1221 if (get_char_class(&p) == CLASS_NONE | |
1222 && get_equi_class(&p) == 0 | |
6830 | 1223 && get_coll_element(&p) == 0 |
1224 && *p != NUL) | |
1225 ++p; /* it is not a class name and not NUL */ | |
167 | 1226 } |
1227 else | |
1228 ++p; | |
1229 } | |
1230 | |
1231 return p; | |
1232 } | |
1233 | |
1234 /* | |
7 | 1235 * Skip past regular expression. |
153 | 1236 * Stop at end of "startp" or where "dirc" is found ('/', '?', etc). |
7 | 1237 * Take care of characters with a backslash in front of it. |
1238 * Skip strings inside [ and ]. | |
1239 * When "newp" is not NULL and "dirc" is '?', make an allocated copy of the | |
1240 * expression and change "\?" to "?". If "*newp" is not NULL the expression | |
1241 * is changed in-place. | |
1242 */ | |
1243 char_u * | |
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
1244 skip_regexp( |
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
1245 char_u *startp, |
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
1246 int dirc, |
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
1247 int magic, |
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
1248 char_u **newp) |
7 | 1249 { |
1250 int mymagic; | |
1251 char_u *p = startp; | |
1252 | |
1253 if (magic) | |
1254 mymagic = MAGIC_ON; | |
1255 else | |
1256 mymagic = MAGIC_OFF; | |
4744
a62695305e03
updated for version 7.3.1119
Bram Moolenaar <bram@vim.org>
parents:
4732
diff
changeset
|
1257 get_cpo_flags(); |
7 | 1258 |
11127
506f5d8b7d8b
patch 8.0.0451: some macros are in lower case
Christian Brabandt <cb@256bit.org>
parents:
11121
diff
changeset
|
1259 for (; p[0] != NUL; MB_PTR_ADV(p)) |
7 | 1260 { |
1261 if (p[0] == dirc) /* found end of regexp */ | |
1262 break; | |
1263 if ((p[0] == '[' && mymagic >= MAGIC_ON) | |
1264 || (p[0] == '\\' && p[1] == '[' && mymagic <= MAGIC_OFF)) | |
1265 { | |
1266 p = skip_anyof(p + 1); | |
1267 if (p[0] == NUL) | |
1268 break; | |
1269 } | |
1270 else if (p[0] == '\\' && p[1] != NUL) | |
1271 { | |
1272 if (dirc == '?' && newp != NULL && p[1] == '?') | |
1273 { | |
1274 /* change "\?" to "?", make a copy first. */ | |
1275 if (*newp == NULL) | |
1276 { | |
1277 *newp = vim_strsave(startp); | |
1278 if (*newp != NULL) | |
1279 p = *newp + (p - startp); | |
1280 } | |
1281 if (*newp != NULL) | |
1621 | 1282 STRMOVE(p, p + 1); |
7 | 1283 else |
1284 ++p; | |
1285 } | |
1286 else | |
1287 ++p; /* skip next character */ | |
1288 if (*p == 'v') | |
1289 mymagic = MAGIC_ALL; | |
1290 else if (*p == 'V') | |
1291 mymagic = MAGIC_NONE; | |
1292 } | |
1293 } | |
1294 return p; | |
1295 } | |
1296 | |
7805
0b6c37dd858d
commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077
Christian Brabandt <cb@256bit.org>
parents:
7009
diff
changeset
|
1297 static regprog_T *bt_regcomp(char_u *expr, int re_flags); |
0b6c37dd858d
commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077
Christian Brabandt <cb@256bit.org>
parents:
7009
diff
changeset
|
1298 static void bt_regfree(regprog_T *prog); |
4444 | 1299 |
7 | 1300 /* |
4444 | 1301 * bt_regcomp() - compile a regular expression into internal code for the |
1302 * traditional back track matcher. | |
41 | 1303 * Returns the program in allocated space. Returns NULL for an error. |
7 | 1304 * |
1305 * We can't allocate space until we know how big the compiled form will be, | |
1306 * but we can't compile it (and thus know how big it is) until we've got a | |
1307 * place to put the code. So we cheat: we compile it twice, once with code | |
1308 * generation turned off and size counting turned on, and once "for real". | |
1309 * This also means that we don't allocate space until we are sure that the | |
1310 * thing really will compile successfully, and we never have to move the | |
1311 * code and thus invalidate pointers into it. (Note that it has to be in | |
1312 * one piece because vim_free() must be able to free it all.) | |
1313 * | |
1314 * Whether upper/lower case is to be ignored is decided when executing the | |
1315 * program, it does not matter here. | |
1316 * | |
1317 * Beware that the optimization-preparation code in here knows about some | |
1318 * of the structure of the compiled regexp. | |
1319 * "re_flags": RE_MAGIC and/or RE_STRING. | |
1320 */ | |
4444 | 1321 static regprog_T * |
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
1322 bt_regcomp(char_u *expr, int re_flags) |
7 | 1323 { |
4444 | 1324 bt_regprog_T *r; |
7 | 1325 char_u *scan; |
1326 char_u *longest; | |
1327 int len; | |
1328 int flags; | |
1329 | |
1330 if (expr == NULL) | |
1331 EMSG_RET_NULL(_(e_null)); | |
1332 | |
1333 init_class_tab(); | |
1334 | |
1335 /* | |
1336 * First pass: determine size, legality. | |
1337 */ | |
1338 regcomp_start(expr, re_flags); | |
1339 regcode = JUST_CALC_SIZE; | |
1340 regc(REGMAGIC); | |
1341 if (reg(REG_NOPAREN, &flags) == NULL) | |
1342 return NULL; | |
1343 | |
1344 /* Allocate space. */ | |
4444 | 1345 r = (bt_regprog_T *)lalloc(sizeof(bt_regprog_T) + regsize, TRUE); |
7 | 1346 if (r == NULL) |
1347 return NULL; | |
1348 | |
1349 /* | |
1350 * Second pass: emit code. | |
1351 */ | |
1352 regcomp_start(expr, re_flags); | |
1353 regcode = r->program; | |
1354 regc(REGMAGIC); | |
2010 | 1355 if (reg(REG_NOPAREN, &flags) == NULL || reg_toolong) |
7 | 1356 { |
1357 vim_free(r); | |
2010 | 1358 if (reg_toolong) |
1359 EMSG_RET_NULL(_("E339: Pattern too long")); | |
7 | 1360 return NULL; |
1361 } | |
1362 | |
1363 /* Dig out information for optimizations. */ | |
1364 r->regstart = NUL; /* Worst-case defaults. */ | |
1365 r->reganch = 0; | |
1366 r->regmust = NULL; | |
1367 r->regmlen = 0; | |
1368 r->regflags = regflags; | |
1369 if (flags & HASNL) | |
1370 r->regflags |= RF_HASNL; | |
1371 if (flags & HASLOOKBH) | |
1372 r->regflags |= RF_LOOKBH; | |
1373 #ifdef FEAT_SYN_HL | |
1374 /* Remember whether this pattern has any \z specials in it. */ | |
1375 r->reghasz = re_has_z; | |
1376 #endif | |
1377 scan = r->program + 1; /* First BRANCH. */ | |
1378 if (OP(regnext(scan)) == END) /* Only one top-level choice. */ | |
1379 { | |
1380 scan = OPERAND(scan); | |
1381 | |
1382 /* Starting-point info. */ | |
1383 if (OP(scan) == BOL || OP(scan) == RE_BOF) | |
1384 { | |
1385 r->reganch++; | |
1386 scan = regnext(scan); | |
1387 } | |
1388 | |
1389 if (OP(scan) == EXACTLY) | |
1390 { | |
1391 #ifdef FEAT_MBYTE | |
1392 if (has_mbyte) | |
1393 r->regstart = (*mb_ptr2char)(OPERAND(scan)); | |
1394 else | |
1395 #endif | |
1396 r->regstart = *OPERAND(scan); | |
1397 } | |
1398 else if ((OP(scan) == BOW | |
1399 || OP(scan) == EOW | |
1400 || OP(scan) == NOTHING | |
1401 || OP(scan) == MOPEN + 0 || OP(scan) == NOPEN | |
1402 || OP(scan) == MCLOSE + 0 || OP(scan) == NCLOSE) | |
1403 && OP(regnext(scan)) == EXACTLY) | |
1404 { | |
1405 #ifdef FEAT_MBYTE | |
1406 if (has_mbyte) | |
1407 r->regstart = (*mb_ptr2char)(OPERAND(regnext(scan))); | |
1408 else | |
1409 #endif | |
1410 r->regstart = *OPERAND(regnext(scan)); | |
1411 } | |
1412 | |
1413 /* | |
1414 * If there's something expensive in the r.e., find the longest | |
1415 * literal string that must appear and make it the regmust. Resolve | |
1416 * ties in favor of later strings, since the regstart check works | |
1417 * with the beginning of the r.e. and avoiding duplication | |
1418 * strengthens checking. Not a strong reason, but sufficient in the | |
1419 * absence of others. | |
1420 */ | |
1421 /* | |
1422 * When the r.e. starts with BOW, it is faster to look for a regmust | |
1423 * first. Used a lot for "#" and "*" commands. (Added by mool). | |
1424 */ | |
1425 if ((flags & SPSTART || OP(scan) == BOW || OP(scan) == EOW) | |
1426 && !(flags & HASNL)) | |
1427 { | |
1428 longest = NULL; | |
1429 len = 0; | |
1430 for (; scan != NULL; scan = regnext(scan)) | |
1431 if (OP(scan) == EXACTLY && STRLEN(OPERAND(scan)) >= (size_t)len) | |
1432 { | |
1433 longest = OPERAND(scan); | |
1434 len = (int)STRLEN(OPERAND(scan)); | |
1435 } | |
1436 r->regmust = longest; | |
1437 r->regmlen = len; | |
1438 } | |
1439 } | |
4444 | 1440 #ifdef BT_REGEXP_DUMP |
7 | 1441 regdump(expr, r); |
1442 #endif | |
4444 | 1443 r->engine = &bt_regengine; |
1444 return (regprog_T *)r; | |
7 | 1445 } |
1446 | |
1447 /* | |
4805
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4770
diff
changeset
|
1448 * Free a compiled regexp program, returned by bt_regcomp(). |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4770
diff
changeset
|
1449 */ |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4770
diff
changeset
|
1450 static void |
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
1451 bt_regfree(regprog_T *prog) |
4805
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4770
diff
changeset
|
1452 { |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4770
diff
changeset
|
1453 vim_free(prog); |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4770
diff
changeset
|
1454 } |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4770
diff
changeset
|
1455 |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4770
diff
changeset
|
1456 /* |
7 | 1457 * Setup to parse the regexp. Used once to get the length and once to do it. |
1458 */ | |
1459 static void | |
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
1460 regcomp_start( |
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
1461 char_u *expr, |
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
1462 int re_flags) /* see vim_regcomp() */ |
7 | 1463 { |
1464 initchr(expr); | |
1465 if (re_flags & RE_MAGIC) | |
1466 reg_magic = MAGIC_ON; | |
1467 else | |
1468 reg_magic = MAGIC_OFF; | |
1469 reg_string = (re_flags & RE_STRING); | |
481 | 1470 reg_strict = (re_flags & RE_STRICT); |
4744
a62695305e03
updated for version 7.3.1119
Bram Moolenaar <bram@vim.org>
parents:
4732
diff
changeset
|
1471 get_cpo_flags(); |
7 | 1472 |
1473 num_complex_braces = 0; | |
1474 regnpar = 1; | |
1475 vim_memset(had_endbrace, 0, sizeof(had_endbrace)); | |
1476 #ifdef FEAT_SYN_HL | |
1477 regnzpar = 1; | |
1478 re_has_z = 0; | |
1479 #endif | |
1480 regsize = 0L; | |
2010 | 1481 reg_toolong = FALSE; |
7 | 1482 regflags = 0; |
1483 #if defined(FEAT_SYN_HL) || defined(PROTO) | |
1484 had_eol = FALSE; | |
1485 #endif | |
1486 } | |
1487 | |
1488 #if defined(FEAT_SYN_HL) || defined(PROTO) | |
1489 /* | |
1490 * Check if during the previous call to vim_regcomp the EOL item "$" has been | |
1491 * found. This is messy, but it works fine. | |
1492 */ | |
1493 int | |
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
1494 vim_regcomp_had_eol(void) |
7 | 1495 { |
1496 return had_eol; | |
1497 } | |
1498 #endif | |
1499 | |
8021
b6b4f354df23
commit https://github.com/vim/vim/commit/7c29f387819b5817b003d2ba73e2b5cf3cb3d0dd
Christian Brabandt <cb@256bit.org>
parents:
7833
diff
changeset
|
1500 /* variables for parsing reginput */ |
b6b4f354df23
commit https://github.com/vim/vim/commit/7c29f387819b5817b003d2ba73e2b5cf3cb3d0dd
Christian Brabandt <cb@256bit.org>
parents:
7833
diff
changeset
|
1501 static int at_start; /* True when on the first character */ |
b6b4f354df23
commit https://github.com/vim/vim/commit/7c29f387819b5817b003d2ba73e2b5cf3cb3d0dd
Christian Brabandt <cb@256bit.org>
parents:
7833
diff
changeset
|
1502 static int prev_at_start; /* True when on the second character */ |
b6b4f354df23
commit https://github.com/vim/vim/commit/7c29f387819b5817b003d2ba73e2b5cf3cb3d0dd
Christian Brabandt <cb@256bit.org>
parents:
7833
diff
changeset
|
1503 |
7 | 1504 /* |
4444 | 1505 * Parse regular expression, i.e. main body or parenthesized thing. |
7 | 1506 * |
1507 * Caller must absorb opening parenthesis. | |
1508 * | |
1509 * Combining parenthesis handling with the base level of regular expression | |
1510 * is a trifle forced, but the need to tie the tails of the branches to what | |
1511 * follows makes it hard to avoid. | |
1512 */ | |
1513 static char_u * | |
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
1514 reg( |
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
1515 int paren, /* REG_NOPAREN, REG_PAREN, REG_NPAREN or REG_ZPAREN */ |
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
1516 int *flagp) |
7 | 1517 { |
1518 char_u *ret; | |
1519 char_u *br; | |
1520 char_u *ender; | |
1521 int parno = 0; | |
1522 int flags; | |
1523 | |
1524 *flagp = HASWIDTH; /* Tentatively. */ | |
1525 | |
1526 #ifdef FEAT_SYN_HL | |
1527 if (paren == REG_ZPAREN) | |
1528 { | |
1529 /* Make a ZOPEN node. */ | |
1530 if (regnzpar >= NSUBEXP) | |
1531 EMSG_RET_NULL(_("E50: Too many \\z(")); | |
1532 parno = regnzpar; | |
1533 regnzpar++; | |
1534 ret = regnode(ZOPEN + parno); | |
1535 } | |
1536 else | |
1537 #endif | |
1538 if (paren == REG_PAREN) | |
1539 { | |
1540 /* Make a MOPEN node. */ | |
1541 if (regnpar >= NSUBEXP) | |
4444 | 1542 EMSG2_RET_NULL(_("E51: Too many %s("), reg_magic == MAGIC_ALL); |
7 | 1543 parno = regnpar; |
1544 ++regnpar; | |
1545 ret = regnode(MOPEN + parno); | |
1546 } | |
1547 else if (paren == REG_NPAREN) | |
1548 { | |
1549 /* Make a NOPEN node. */ | |
1550 ret = regnode(NOPEN); | |
1551 } | |
1552 else | |
1553 ret = NULL; | |
1554 | |
1555 /* Pick up the branches, linking them together. */ | |
1556 br = regbranch(&flags); | |
1557 if (br == NULL) | |
1558 return NULL; | |
1559 if (ret != NULL) | |
1560 regtail(ret, br); /* [MZ]OPEN -> first. */ | |
1561 else | |
1562 ret = br; | |
1563 /* If one of the branches can be zero-width, the whole thing can. | |
1564 * If one of the branches has * at start or matches a line-break, the | |
1565 * whole thing can. */ | |
1566 if (!(flags & HASWIDTH)) | |
1567 *flagp &= ~HASWIDTH; | |
1568 *flagp |= flags & (SPSTART | HASNL | HASLOOKBH); | |
1569 while (peekchr() == Magic('|')) | |
1570 { | |
1571 skipchr(); | |
1572 br = regbranch(&flags); | |
2010 | 1573 if (br == NULL || reg_toolong) |
7 | 1574 return NULL; |
1575 regtail(ret, br); /* BRANCH -> BRANCH. */ | |
1576 if (!(flags & HASWIDTH)) | |
1577 *flagp &= ~HASWIDTH; | |
1578 *flagp |= flags & (SPSTART | HASNL | HASLOOKBH); | |
1579 } | |
1580 | |
1581 /* Make a closing node, and hook it on the end. */ | |
1582 ender = regnode( | |
1583 #ifdef FEAT_SYN_HL | |
1584 paren == REG_ZPAREN ? ZCLOSE + parno : | |
1585 #endif | |
1586 paren == REG_PAREN ? MCLOSE + parno : | |
1587 paren == REG_NPAREN ? NCLOSE : END); | |
1588 regtail(ret, ender); | |
1589 | |
1590 /* Hook the tails of the branches to the closing node. */ | |
1591 for (br = ret; br != NULL; br = regnext(br)) | |
1592 regoptail(br, ender); | |
1593 | |
1594 /* Check for proper termination. */ | |
1595 if (paren != REG_NOPAREN && getchr() != Magic(')')) | |
1596 { | |
1597 #ifdef FEAT_SYN_HL | |
1598 if (paren == REG_ZPAREN) | |
308 | 1599 EMSG_RET_NULL(_("E52: Unmatched \\z(")); |
7 | 1600 else |
1601 #endif | |
1602 if (paren == REG_NPAREN) | |
4444 | 1603 EMSG2_RET_NULL(_(e_unmatchedpp), reg_magic == MAGIC_ALL); |
7 | 1604 else |
4444 | 1605 EMSG2_RET_NULL(_(e_unmatchedp), reg_magic == MAGIC_ALL); |
7 | 1606 } |
1607 else if (paren == REG_NOPAREN && peekchr() != NUL) | |
1608 { | |
1609 if (curchr == Magic(')')) | |
4444 | 1610 EMSG2_RET_NULL(_(e_unmatchedpar), reg_magic == MAGIC_ALL); |
7 | 1611 else |
308 | 1612 EMSG_RET_NULL(_(e_trailing)); /* "Can't happen". */ |
7 | 1613 /* NOTREACHED */ |
1614 } | |
1615 /* | |
1616 * Here we set the flag allowing back references to this set of | |
1617 * parentheses. | |
1618 */ | |
1619 if (paren == REG_PAREN) | |
1620 had_endbrace[parno] = TRUE; /* have seen the close paren */ | |
1621 return ret; | |
1622 } | |
1623 | |
1624 /* | |
4444 | 1625 * Parse one alternative of an | operator. |
7 | 1626 * Implements the & operator. |
1627 */ | |
1628 static char_u * | |
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
1629 regbranch(int *flagp) |
7 | 1630 { |
1631 char_u *ret; | |
1632 char_u *chain = NULL; | |
1633 char_u *latest; | |
1634 int flags; | |
1635 | |
1636 *flagp = WORST | HASNL; /* Tentatively. */ | |
1637 | |
1638 ret = regnode(BRANCH); | |
1639 for (;;) | |
1640 { | |
1641 latest = regconcat(&flags); | |
1642 if (latest == NULL) | |
1643 return NULL; | |
1644 /* If one of the branches has width, the whole thing has. If one of | |
1645 * the branches anchors at start-of-line, the whole thing does. | |
1646 * If one of the branches uses look-behind, the whole thing does. */ | |
1647 *flagp |= flags & (HASWIDTH | SPSTART | HASLOOKBH); | |
1648 /* If one of the branches doesn't match a line-break, the whole thing | |
1649 * doesn't. */ | |
1650 *flagp &= ~HASNL | (flags & HASNL); | |
1651 if (chain != NULL) | |
1652 regtail(chain, latest); | |
1653 if (peekchr() != Magic('&')) | |
1654 break; | |
1655 skipchr(); | |
1656 regtail(latest, regnode(END)); /* operand ends */ | |
2010 | 1657 if (reg_toolong) |
1658 break; | |
7 | 1659 reginsert(MATCH, latest); |
1660 chain = latest; | |
1661 } | |
1662 | |
1663 return ret; | |
1664 } | |
1665 | |
1666 /* | |
4444 | 1667 * Parse one alternative of an | or & operator. |
7 | 1668 * Implements the concatenation operator. |
1669 */ | |
1670 static char_u * | |
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
1671 regconcat(int *flagp) |
7 | 1672 { |
1673 char_u *first = NULL; | |
1674 char_u *chain = NULL; | |
1675 char_u *latest; | |
1676 int flags; | |
1677 int cont = TRUE; | |
1678 | |
1679 *flagp = WORST; /* Tentatively. */ | |
1680 | |
1681 while (cont) | |
1682 { | |
1683 switch (peekchr()) | |
1684 { | |
1685 case NUL: | |
1686 case Magic('|'): | |
1687 case Magic('&'): | |
1688 case Magic(')'): | |
1689 cont = FALSE; | |
1690 break; | |
1691 case Magic('Z'): | |
1692 #ifdef FEAT_MBYTE | |
1693 regflags |= RF_ICOMBINE; | |
1694 #endif | |
1695 skipchr_keepstart(); | |
1696 break; | |
1697 case Magic('c'): | |
1698 regflags |= RF_ICASE; | |
1699 skipchr_keepstart(); | |
1700 break; | |
1701 case Magic('C'): | |
1702 regflags |= RF_NOICASE; | |
1703 skipchr_keepstart(); | |
1704 break; | |
1705 case Magic('v'): | |
1706 reg_magic = MAGIC_ALL; | |
1707 skipchr_keepstart(); | |
1708 curchr = -1; | |
1709 break; | |
1710 case Magic('m'): | |
1711 reg_magic = MAGIC_ON; | |
1712 skipchr_keepstart(); | |
1713 curchr = -1; | |
1714 break; | |
1715 case Magic('M'): | |
1716 reg_magic = MAGIC_OFF; | |
1717 skipchr_keepstart(); | |
1718 curchr = -1; | |
1719 break; | |
1720 case Magic('V'): | |
1721 reg_magic = MAGIC_NONE; | |
1722 skipchr_keepstart(); | |
1723 curchr = -1; | |
1724 break; | |
1725 default: | |
1726 latest = regpiece(&flags); | |
2010 | 1727 if (latest == NULL || reg_toolong) |
7 | 1728 return NULL; |
1729 *flagp |= flags & (HASWIDTH | HASNL | HASLOOKBH); | |
1730 if (chain == NULL) /* First piece. */ | |
1731 *flagp |= flags & SPSTART; | |
1732 else | |
1733 regtail(chain, latest); | |
1734 chain = latest; | |
1735 if (first == NULL) | |
1736 first = latest; | |
1737 break; | |
1738 } | |
1739 } | |
1740 if (first == NULL) /* Loop ran zero times. */ | |
1741 first = regnode(NOTHING); | |
1742 return first; | |
1743 } | |
1744 | |
1745 /* | |
4444 | 1746 * Parse something followed by possible [*+=]. |
7 | 1747 * |
1748 * Note that the branching code sequences used for = and the general cases | |
1749 * of * and + are somewhat optimized: they use the same NOTHING node as | |
1750 * both the endmarker for their branch list and the body of the last branch. | |
1751 * It might seem that this node could be dispensed with entirely, but the | |
1752 * endmarker role is not redundant. | |
1753 */ | |
1754 static char_u * | |
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
1755 regpiece(int *flagp) |
7 | 1756 { |
1757 char_u *ret; | |
1758 int op; | |
1759 char_u *next; | |
1760 int flags; | |
1761 long minval; | |
1762 long maxval; | |
1763 | |
1764 ret = regatom(&flags); | |
1765 if (ret == NULL) | |
1766 return NULL; | |
1767 | |
1768 op = peekchr(); | |
1769 if (re_multi_type(op) == NOT_MULTI) | |
1770 { | |
1771 *flagp = flags; | |
1772 return ret; | |
1773 } | |
1774 /* default flags */ | |
1775 *flagp = (WORST | SPSTART | (flags & (HASNL | HASLOOKBH))); | |
1776 | |
1777 skipchr(); | |
1778 switch (op) | |
1779 { | |
1780 case Magic('*'): | |
1781 if (flags & SIMPLE) | |
1782 reginsert(STAR, ret); | |
1783 else | |
1784 { | |
1785 /* Emit x* as (x&|), where & means "self". */ | |
1786 reginsert(BRANCH, ret); /* Either x */ | |
1787 regoptail(ret, regnode(BACK)); /* and loop */ | |
1788 regoptail(ret, ret); /* back */ | |
1789 regtail(ret, regnode(BRANCH)); /* or */ | |
1790 regtail(ret, regnode(NOTHING)); /* null. */ | |
1791 } | |
1792 break; | |
1793 | |
1794 case Magic('+'): | |
1795 if (flags & SIMPLE) | |
1796 reginsert(PLUS, ret); | |
1797 else | |
1798 { | |
1799 /* Emit x+ as x(&|), where & means "self". */ | |
1800 next = regnode(BRANCH); /* Either */ | |
1801 regtail(ret, next); | |
233 | 1802 regtail(regnode(BACK), ret); /* loop back */ |
7 | 1803 regtail(next, regnode(BRANCH)); /* or */ |
1804 regtail(ret, regnode(NOTHING)); /* null. */ | |
1805 } | |
1806 *flagp = (WORST | HASWIDTH | (flags & (HASNL | HASLOOKBH))); | |
1807 break; | |
1808 | |
1809 case Magic('@'): | |
1810 { | |
1811 int lop = END; | |
4579
7a2be4a39423
updated for version 7.3.1037
Bram Moolenaar <bram@vim.org>
parents:
4505
diff
changeset
|
1812 int nr; |
7a2be4a39423
updated for version 7.3.1037
Bram Moolenaar <bram@vim.org>
parents:
4505
diff
changeset
|
1813 |
7a2be4a39423
updated for version 7.3.1037
Bram Moolenaar <bram@vim.org>
parents:
4505
diff
changeset
|
1814 nr = getdecchrs(); |
7 | 1815 switch (no_Magic(getchr())) |
1816 { | |
1817 case '=': lop = MATCH; break; /* \@= */ | |
1818 case '!': lop = NOMATCH; break; /* \@! */ | |
1819 case '>': lop = SUBPAT; break; /* \@> */ | |
1820 case '<': switch (no_Magic(getchr())) | |
1821 { | |
1822 case '=': lop = BEHIND; break; /* \@<= */ | |
1823 case '!': lop = NOBEHIND; break; /* \@<! */ | |
1824 } | |
1825 } | |
1826 if (lop == END) | |
4444 | 1827 EMSG2_RET_NULL(_("E59: invalid character after %s@"), |
7 | 1828 reg_magic == MAGIC_ALL); |
1829 /* Look behind must match with behind_pos. */ | |
1830 if (lop == BEHIND || lop == NOBEHIND) | |
1831 { | |
1832 regtail(ret, regnode(BHPOS)); | |
1833 *flagp |= HASLOOKBH; | |
1834 } | |
1835 regtail(ret, regnode(END)); /* operand ends */ | |
4579
7a2be4a39423
updated for version 7.3.1037
Bram Moolenaar <bram@vim.org>
parents:
4505
diff
changeset
|
1836 if (lop == BEHIND || lop == NOBEHIND) |
7a2be4a39423
updated for version 7.3.1037
Bram Moolenaar <bram@vim.org>
parents:
4505
diff
changeset
|
1837 { |
7a2be4a39423
updated for version 7.3.1037
Bram Moolenaar <bram@vim.org>
parents:
4505
diff
changeset
|
1838 if (nr < 0) |
7a2be4a39423
updated for version 7.3.1037
Bram Moolenaar <bram@vim.org>
parents:
4505
diff
changeset
|
1839 nr = 0; /* no limit is same as zero limit */ |
7a2be4a39423
updated for version 7.3.1037
Bram Moolenaar <bram@vim.org>
parents:
4505
diff
changeset
|
1840 reginsert_nr(lop, nr, ret); |
7a2be4a39423
updated for version 7.3.1037
Bram Moolenaar <bram@vim.org>
parents:
4505
diff
changeset
|
1841 } |
7a2be4a39423
updated for version 7.3.1037
Bram Moolenaar <bram@vim.org>
parents:
4505
diff
changeset
|
1842 else |
7a2be4a39423
updated for version 7.3.1037
Bram Moolenaar <bram@vim.org>
parents:
4505
diff
changeset
|
1843 reginsert(lop, ret); |
7 | 1844 break; |
1845 } | |
1846 | |
1847 case Magic('?'): | |
1848 case Magic('='): | |
1849 /* Emit x= as (x|) */ | |
1850 reginsert(BRANCH, ret); /* Either x */ | |
1851 regtail(ret, regnode(BRANCH)); /* or */ | |
1852 next = regnode(NOTHING); /* null. */ | |
1853 regtail(ret, next); | |
1854 regoptail(ret, next); | |
1855 break; | |
1856 | |
1857 case Magic('{'): | |
1858 if (!read_limits(&minval, &maxval)) | |
1859 return NULL; | |
1860 if (flags & SIMPLE) | |
1861 { | |
1862 reginsert(BRACE_SIMPLE, ret); | |
1863 reginsert_limits(BRACE_LIMITS, minval, maxval, ret); | |
1864 } | |
1865 else | |
1866 { | |
1867 if (num_complex_braces >= 10) | |
4444 | 1868 EMSG2_RET_NULL(_("E60: Too many complex %s{...}s"), |
7 | 1869 reg_magic == MAGIC_ALL); |
1870 reginsert(BRACE_COMPLEX + num_complex_braces, ret); | |
1871 regoptail(ret, regnode(BACK)); | |
1872 regoptail(ret, ret); | |
1873 reginsert_limits(BRACE_LIMITS, minval, maxval, ret); | |
1874 ++num_complex_braces; | |
1875 } | |
1876 if (minval > 0 && maxval > 0) | |
1877 *flagp = (HASWIDTH | (flags & (HASNL | HASLOOKBH))); | |
1878 break; | |
1879 } | |
1880 if (re_multi_type(peekchr()) != NOT_MULTI) | |
1881 { | |
1882 /* Can't have a multi follow a multi. */ | |
1883 if (peekchr() == Magic('*')) | |
1884 sprintf((char *)IObuff, _("E61: Nested %s*"), | |
1885 reg_magic >= MAGIC_ON ? "" : "\\"); | |
1886 else | |
1887 sprintf((char *)IObuff, _("E62: Nested %s%c"), | |
1888 reg_magic == MAGIC_ALL ? "" : "\\", no_Magic(peekchr())); | |
1889 EMSG_RET_NULL(IObuff); | |
1890 } | |
1891 | |
1892 return ret; | |
1893 } | |
1894 | |
4444 | 1895 /* When making changes to classchars also change nfa_classcodes. */ |
1896 static char_u *classchars = (char_u *)".iIkKfFpPsSdDxXoOwWhHaAlLuU"; | |
1897 static int classcodes[] = { | |
1898 ANY, IDENT, SIDENT, KWORD, SKWORD, | |
1899 FNAME, SFNAME, PRINT, SPRINT, | |
1900 WHITE, NWHITE, DIGIT, NDIGIT, | |
1901 HEX, NHEX, OCTAL, NOCTAL, | |
1902 WORD, NWORD, HEAD, NHEAD, | |
1903 ALPHA, NALPHA, LOWER, NLOWER, | |
1904 UPPER, NUPPER | |
1905 }; | |
1906 | |
7 | 1907 /* |
4444 | 1908 * Parse the lowest level. |
7 | 1909 * |
1910 * Optimization: gobbles an entire sequence of ordinary characters so that | |
1911 * it can turn them into a single node, which is smaller to store and | |
1912 * faster to run. Don't do this when one_exactly is set. | |
1913 */ | |
1914 static char_u * | |
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
1915 regatom(int *flagp) |
7 | 1916 { |
1917 char_u *ret; | |
1918 int flags; | |
1919 int c; | |
1920 char_u *p; | |
1921 int extra = 0; | |
8021
b6b4f354df23
commit https://github.com/vim/vim/commit/7c29f387819b5817b003d2ba73e2b5cf3cb3d0dd
Christian Brabandt <cb@256bit.org>
parents:
7833
diff
changeset
|
1922 int save_prev_at_start = prev_at_start; |
7 | 1923 |
1924 *flagp = WORST; /* Tentatively. */ | |
1925 | |
1926 c = getchr(); | |
1927 switch (c) | |
1928 { | |
1929 case Magic('^'): | |
1930 ret = regnode(BOL); | |
1931 break; | |
1932 | |
1933 case Magic('$'): | |
1934 ret = regnode(EOL); | |
1935 #if defined(FEAT_SYN_HL) || defined(PROTO) | |
1936 had_eol = TRUE; | |
1937 #endif | |
1938 break; | |
1939 | |
1940 case Magic('<'): | |
1941 ret = regnode(BOW); | |
1942 break; | |
1943 | |
1944 case Magic('>'): | |
1945 ret = regnode(EOW); | |
1946 break; | |
1947 | |
1948 case Magic('_'): | |
1949 c = no_Magic(getchr()); | |
1950 if (c == '^') /* "\_^" is start-of-line */ | |
1951 { | |
1952 ret = regnode(BOL); | |
1953 break; | |
1954 } | |
1955 if (c == '$') /* "\_$" is end-of-line */ | |
1956 { | |
1957 ret = regnode(EOL); | |
1958 #if defined(FEAT_SYN_HL) || defined(PROTO) | |
1959 had_eol = TRUE; | |
1960 #endif | |
1961 break; | |
1962 } | |
1963 | |
1964 extra = ADD_NL; | |
1965 *flagp |= HASNL; | |
1966 | |
1967 /* "\_[" is character range plus newline */ | |
1968 if (c == '[') | |
1969 goto collection; | |
1970 | |
1971 /* "\_x" is character class plus newline */ | |
1972 /*FALLTHROUGH*/ | |
1973 | |
1974 /* | |
1975 * Character classes. | |
1976 */ | |
1977 case Magic('.'): | |
1978 case Magic('i'): | |
1979 case Magic('I'): | |
1980 case Magic('k'): | |
1981 case Magic('K'): | |
1982 case Magic('f'): | |
1983 case Magic('F'): | |
1984 case Magic('p'): | |
1985 case Magic('P'): | |
1986 case Magic('s'): | |
1987 case Magic('S'): | |
1988 case Magic('d'): | |
1989 case Magic('D'): | |
1990 case Magic('x'): | |
1991 case Magic('X'): | |
1992 case Magic('o'): | |
1993 case Magic('O'): | |
1994 case Magic('w'): | |
1995 case Magic('W'): | |
1996 case Magic('h'): | |
1997 case Magic('H'): | |
1998 case Magic('a'): | |
1999 case Magic('A'): | |
2000 case Magic('l'): | |
2001 case Magic('L'): | |
2002 case Magic('u'): | |
2003 case Magic('U'): | |
2004 p = vim_strchr(classchars, no_Magic(c)); | |
2005 if (p == NULL) | |
2006 EMSG_RET_NULL(_("E63: invalid use of \\_")); | |
714 | 2007 #ifdef FEAT_MBYTE |
2008 /* When '.' is followed by a composing char ignore the dot, so that | |
2009 * the composing char is matched here. */ | |
2010 if (enc_utf8 && c == Magic('.') && utf_iscomposing(peekchr())) | |
2011 { | |
2012 c = getchr(); | |
2013 goto do_multibyte; | |
2014 } | |
2015 #endif | |
7 | 2016 ret = regnode(classcodes[p - classchars] + extra); |
2017 *flagp |= HASWIDTH | SIMPLE; | |
2018 break; | |
2019 | |
2020 case Magic('n'): | |
2021 if (reg_string) | |
2022 { | |
2023 /* In a string "\n" matches a newline character. */ | |
2024 ret = regnode(EXACTLY); | |
2025 regc(NL); | |
2026 regc(NUL); | |
2027 *flagp |= HASWIDTH | SIMPLE; | |
2028 } | |
2029 else | |
2030 { | |
2031 /* In buffer text "\n" matches the end of a line. */ | |
2032 ret = regnode(NEWL); | |
2033 *flagp |= HASWIDTH | HASNL; | |
2034 } | |
2035 break; | |
2036 | |
2037 case Magic('('): | |
2038 if (one_exactly) | |
2039 EMSG_ONE_RET_NULL; | |
2040 ret = reg(REG_PAREN, &flags); | |
2041 if (ret == NULL) | |
2042 return NULL; | |
2043 *flagp |= flags & (HASWIDTH | SPSTART | HASNL | HASLOOKBH); | |
2044 break; | |
2045 | |
2046 case NUL: | |
2047 case Magic('|'): | |
2048 case Magic('&'): | |
2049 case Magic(')'): | |
1468 | 2050 if (one_exactly) |
2051 EMSG_ONE_RET_NULL; | |
10359
66f1b5bf3fa6
commit https://github.com/vim/vim/commit/95f096030ed1a8afea028f2ea295d6f6a70f466f
Christian Brabandt <cb@256bit.org>
parents:
10245
diff
changeset
|
2052 IEMSG_RET_NULL(_(e_internal)); /* Supposed to be caught earlier. */ |
7 | 2053 /* NOTREACHED */ |
2054 | |
2055 case Magic('='): | |
2056 case Magic('?'): | |
2057 case Magic('+'): | |
2058 case Magic('@'): | |
2059 case Magic('{'): | |
2060 case Magic('*'): | |
2061 c = no_Magic(c); | |
2062 sprintf((char *)IObuff, _("E64: %s%c follows nothing"), | |
2063 (c == '*' ? reg_magic >= MAGIC_ON : reg_magic == MAGIC_ALL) | |
2064 ? "" : "\\", c); | |
2065 EMSG_RET_NULL(IObuff); | |
2066 /* NOTREACHED */ | |
2067 | |
2068 case Magic('~'): /* previous substitute pattern */ | |
359 | 2069 if (reg_prev_sub != NULL) |
7 | 2070 { |
2071 char_u *lp; | |
2072 | |
2073 ret = regnode(EXACTLY); | |
2074 lp = reg_prev_sub; | |
2075 while (*lp != NUL) | |
2076 regc(*lp++); | |
2077 regc(NUL); | |
2078 if (*reg_prev_sub != NUL) | |
2079 { | |
2080 *flagp |= HASWIDTH; | |
2081 if ((lp - reg_prev_sub) == 1) | |
2082 *flagp |= SIMPLE; | |
2083 } | |
2084 } | |
2085 else | |
2086 EMSG_RET_NULL(_(e_nopresub)); | |
2087 break; | |
2088 | |
2089 case Magic('1'): | |
2090 case Magic('2'): | |
2091 case Magic('3'): | |
2092 case Magic('4'): | |
2093 case Magic('5'): | |
2094 case Magic('6'): | |
2095 case Magic('7'): | |
2096 case Magic('8'): | |
2097 case Magic('9'): | |
2098 { | |
2099 int refnum; | |
2100 | |
2101 refnum = c - Magic('0'); | |
2102 /* | |
2103 * Check if the back reference is legal. We must have seen the | |
2104 * close brace. | |
2105 * TODO: Should also check that we don't refer to something | |
2106 * that is repeated (+*=): what instance of the repetition | |
2107 * should we match? | |
2108 */ | |
2109 if (!had_endbrace[refnum]) | |
2110 { | |
2111 /* Trick: check if "@<=" or "@<!" follows, in which case | |
2112 * the \1 can appear before the referenced match. */ | |
2113 for (p = regparse; *p != NUL; ++p) | |
2114 if (p[0] == '@' && p[1] == '<' | |
2115 && (p[2] == '!' || p[2] == '=')) | |
2116 break; | |
2117 if (*p == NUL) | |
2118 EMSG_RET_NULL(_("E65: Illegal back reference")); | |
2119 } | |
2120 ret = regnode(BACKREF + refnum); | |
2121 } | |
2122 break; | |
2123 | |
2124 case Magic('z'): | |
2125 { | |
2126 c = no_Magic(getchr()); | |
2127 switch (c) | |
2128 { | |
741 | 2129 #ifdef FEAT_SYN_HL |
7 | 2130 case '(': if (reg_do_extmatch != REX_SET) |
4688
371cc0c44097
updated for version 7.3.1091
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2131 EMSG_RET_NULL(_(e_z_not_allowed)); |
7 | 2132 if (one_exactly) |
2133 EMSG_ONE_RET_NULL; | |
2134 ret = reg(REG_ZPAREN, &flags); | |
2135 if (ret == NULL) | |
2136 return NULL; | |
2137 *flagp |= flags & (HASWIDTH|SPSTART|HASNL|HASLOOKBH); | |
2138 re_has_z = REX_SET; | |
2139 break; | |
2140 | |
2141 case '1': | |
2142 case '2': | |
2143 case '3': | |
2144 case '4': | |
2145 case '5': | |
2146 case '6': | |
2147 case '7': | |
2148 case '8': | |
2149 case '9': if (reg_do_extmatch != REX_USE) | |
4688
371cc0c44097
updated for version 7.3.1091
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2150 EMSG_RET_NULL(_(e_z1_not_allowed)); |
7 | 2151 ret = regnode(ZREF + c - '0'); |
2152 re_has_z = REX_USE; | |
2153 break; | |
741 | 2154 #endif |
7 | 2155 |
2156 case 's': ret = regnode(MOPEN + 0); | |
6203 | 2157 if (re_mult_next("\\zs") == FAIL) |
2158 return NULL; | |
7 | 2159 break; |
2160 | |
2161 case 'e': ret = regnode(MCLOSE + 0); | |
6203 | 2162 if (re_mult_next("\\ze") == FAIL) |
2163 return NULL; | |
7 | 2164 break; |
2165 | |
2166 default: EMSG_RET_NULL(_("E68: Invalid character after \\z")); | |
2167 } | |
2168 } | |
2169 break; | |
2170 | |
2171 case Magic('%'): | |
2172 { | |
2173 c = no_Magic(getchr()); | |
2174 switch (c) | |
2175 { | |
2176 /* () without a back reference */ | |
2177 case '(': | |
2178 if (one_exactly) | |
2179 EMSG_ONE_RET_NULL; | |
2180 ret = reg(REG_NPAREN, &flags); | |
2181 if (ret == NULL) | |
2182 return NULL; | |
2183 *flagp |= flags & (HASWIDTH | SPSTART | HASNL | HASLOOKBH); | |
2184 break; | |
2185 | |
2186 /* Catch \%^ and \%$ regardless of where they appear in the | |
2187 * pattern -- regardless of whether or not it makes sense. */ | |
2188 case '^': | |
2189 ret = regnode(RE_BOF); | |
2190 break; | |
2191 | |
2192 case '$': | |
2193 ret = regnode(RE_EOF); | |
2194 break; | |
2195 | |
2196 case '#': | |
2197 ret = regnode(CURSOR); | |
2198 break; | |
2199 | |
639 | 2200 case 'V': |
2201 ret = regnode(RE_VISUAL); | |
2202 break; | |
2203 | |
5901 | 2204 case 'C': |
2205 ret = regnode(RE_COMPOSING); | |
2206 break; | |
2207 | |
7 | 2208 /* \%[abc]: Emit as a list of branches, all ending at the last |
2209 * branch which matches nothing. */ | |
2210 case '[': | |
2211 if (one_exactly) /* doesn't nest */ | |
2212 EMSG_ONE_RET_NULL; | |
2213 { | |
2214 char_u *lastbranch; | |
2215 char_u *lastnode = NULL; | |
2216 char_u *br; | |
2217 | |
2218 ret = NULL; | |
2219 while ((c = getchr()) != ']') | |
2220 { | |
2221 if (c == NUL) | |
4744
a62695305e03
updated for version 7.3.1119
Bram Moolenaar <bram@vim.org>
parents:
4732
diff
changeset
|
2222 EMSG2_RET_NULL(_(e_missing_sb), |
7 | 2223 reg_magic == MAGIC_ALL); |
2224 br = regnode(BRANCH); | |
2225 if (ret == NULL) | |
2226 ret = br; | |
2227 else | |
2228 regtail(lastnode, br); | |
2229 | |
2230 ungetchr(); | |
2231 one_exactly = TRUE; | |
2232 lastnode = regatom(flagp); | |
2233 one_exactly = FALSE; | |
2234 if (lastnode == NULL) | |
2235 return NULL; | |
2236 } | |
2237 if (ret == NULL) | |
4760
532a9855bd30
updated for version 7.3.1127
Bram Moolenaar <bram@vim.org>
parents:
4746
diff
changeset
|
2238 EMSG2_RET_NULL(_(e_empty_sb), |
7 | 2239 reg_magic == MAGIC_ALL); |
2240 lastbranch = regnode(BRANCH); | |
2241 br = regnode(NOTHING); | |
2242 if (ret != JUST_CALC_SIZE) | |
2243 { | |
2244 regtail(lastnode, br); | |
2245 regtail(lastbranch, br); | |
2246 /* connect all branches to the NOTHING | |
2247 * branch at the end */ | |
2248 for (br = ret; br != lastnode; ) | |
2249 { | |
2250 if (OP(br) == BRANCH) | |
2251 { | |
2252 regtail(br, lastbranch); | |
2253 br = OPERAND(br); | |
2254 } | |
2255 else | |
2256 br = regnext(br); | |
2257 } | |
2258 } | |
1701 | 2259 *flagp &= ~(HASWIDTH | SIMPLE); |
7 | 2260 break; |
2261 } | |
2262 | |
24 | 2263 case 'd': /* %d123 decimal */ |
2264 case 'o': /* %o123 octal */ | |
2265 case 'x': /* %xab hex 2 */ | |
2266 case 'u': /* %uabcd hex 4 */ | |
2267 case 'U': /* %U1234abcd hex 8 */ | |
2268 { | |
2269 int i; | |
2270 | |
2271 switch (c) | |
2272 { | |
2273 case 'd': i = getdecchrs(); break; | |
2274 case 'o': i = getoctchrs(); break; | |
2275 case 'x': i = gethexchrs(2); break; | |
2276 case 'u': i = gethexchrs(4); break; | |
2277 case 'U': i = gethexchrs(8); break; | |
2278 default: i = -1; break; | |
2279 } | |
2280 | |
2281 if (i < 0) | |
4444 | 2282 EMSG2_RET_NULL( |
24 | 2283 _("E678: Invalid character after %s%%[dxouU]"), |
2284 reg_magic == MAGIC_ALL); | |
714 | 2285 #ifdef FEAT_MBYTE |
2286 if (use_multibytecode(i)) | |
2287 ret = regnode(MULTIBYTECODE); | |
2288 else | |
2289 #endif | |
2290 ret = regnode(EXACTLY); | |
24 | 2291 if (i == 0) |
2292 regc(0x0a); | |
2293 else | |
2294 #ifdef FEAT_MBYTE | |
2295 regmbc(i); | |
2296 #else | |
2297 regc(i); | |
2298 #endif | |
2299 regc(NUL); | |
2300 *flagp |= HASWIDTH; | |
2301 break; | |
2302 } | |
2303 | |
7 | 2304 default: |
639 | 2305 if (VIM_ISDIGIT(c) || c == '<' || c == '>' |
2306 || c == '\'') | |
7 | 2307 { |
2308 long_u n = 0; | |
2309 int cmp; | |
2310 | |
2311 cmp = c; | |
2312 if (cmp == '<' || cmp == '>') | |
2313 c = getchr(); | |
2314 while (VIM_ISDIGIT(c)) | |
2315 { | |
2316 n = n * 10 + (c - '0'); | |
2317 c = getchr(); | |
2318 } | |
639 | 2319 if (c == '\'' && n == 0) |
2320 { | |
2321 /* "\%'m", "\%<'m" and "\%>'m": Mark */ | |
2322 c = getchr(); | |
2323 ret = regnode(RE_MARK); | |
2324 if (ret == JUST_CALC_SIZE) | |
2325 regsize += 2; | |
2326 else | |
2327 { | |
2328 *regcode++ = c; | |
2329 *regcode++ = cmp; | |
2330 } | |
2331 break; | |
2332 } | |
2333 else if (c == 'l' || c == 'c' || c == 'v') | |
7 | 2334 { |
2335 if (c == 'l') | |
8021
b6b4f354df23
commit https://github.com/vim/vim/commit/7c29f387819b5817b003d2ba73e2b5cf3cb3d0dd
Christian Brabandt <cb@256bit.org>
parents:
7833
diff
changeset
|
2336 { |
7 | 2337 ret = regnode(RE_LNUM); |
8021
b6b4f354df23
commit https://github.com/vim/vim/commit/7c29f387819b5817b003d2ba73e2b5cf3cb3d0dd
Christian Brabandt <cb@256bit.org>
parents:
7833
diff
changeset
|
2338 if (save_prev_at_start) |
b6b4f354df23
commit https://github.com/vim/vim/commit/7c29f387819b5817b003d2ba73e2b5cf3cb3d0dd
Christian Brabandt <cb@256bit.org>
parents:
7833
diff
changeset
|
2339 at_start = TRUE; |
b6b4f354df23
commit https://github.com/vim/vim/commit/7c29f387819b5817b003d2ba73e2b5cf3cb3d0dd
Christian Brabandt <cb@256bit.org>
parents:
7833
diff
changeset
|
2340 } |
7 | 2341 else if (c == 'c') |
2342 ret = regnode(RE_COL); | |
2343 else | |
2344 ret = regnode(RE_VCOL); | |
2345 if (ret == JUST_CALC_SIZE) | |
2346 regsize += 5; | |
2347 else | |
2348 { | |
2349 /* put the number and the optional | |
2350 * comparator after the opcode */ | |
2351 regcode = re_put_long(regcode, n); | |
2352 *regcode++ = cmp; | |
2353 } | |
2354 break; | |
2355 } | |
2356 } | |
2357 | |
4444 | 2358 EMSG2_RET_NULL(_("E71: Invalid character after %s%%"), |
7 | 2359 reg_magic == MAGIC_ALL); |
2360 } | |
2361 } | |
2362 break; | |
2363 | |
2364 case Magic('['): | |
2365 collection: | |
2366 { | |
2367 char_u *lp; | |
2368 | |
2369 /* | |
2370 * If there is no matching ']', we assume the '[' is a normal | |
2371 * character. This makes 'incsearch' and ":help [" work. | |
2372 */ | |
2373 lp = skip_anyof(regparse); | |
2374 if (*lp == ']') /* there is a matching ']' */ | |
2375 { | |
2376 int startc = -1; /* > 0 when next '-' is a range */ | |
2377 int endc; | |
2378 | |
2379 /* | |
2380 * In a character class, different parsing rules apply. | |
2381 * Not even \ is special anymore, nothing is. | |
2382 */ | |
2383 if (*regparse == '^') /* Complement of range. */ | |
2384 { | |
2385 ret = regnode(ANYBUT + extra); | |
2386 regparse++; | |
2387 } | |
2388 else | |
2389 ret = regnode(ANYOF + extra); | |
2390 | |
2391 /* At the start ']' and '-' mean the literal character. */ | |
2392 if (*regparse == ']' || *regparse == '-') | |
167 | 2393 { |
2394 startc = *regparse; | |
7 | 2395 regc(*regparse++); |
167 | 2396 } |
7 | 2397 |
2398 while (*regparse != NUL && *regparse != ']') | |
2399 { | |
2400 if (*regparse == '-') | |
2401 { | |
2402 ++regparse; | |
2403 /* The '-' is not used for a range at the end and | |
2404 * after or before a '\n'. */ | |
2405 if (*regparse == ']' || *regparse == NUL | |
2406 || startc == -1 | |
2407 || (regparse[0] == '\\' && regparse[1] == 'n')) | |
2408 { | |
2409 regc('-'); | |
2410 startc = '-'; /* [--x] is a range */ | |
2411 } | |
2412 else | |
2413 { | |
167 | 2414 /* Also accept "a-[.z.]" */ |
2415 endc = 0; | |
2416 if (*regparse == '[') | |
2417 endc = get_coll_element(®parse); | |
2418 if (endc == 0) | |
2419 { | |
7 | 2420 #ifdef FEAT_MBYTE |
167 | 2421 if (has_mbyte) |
2422 endc = mb_ptr2char_adv(®parse); | |
2423 else | |
7 | 2424 #endif |
167 | 2425 endc = *regparse++; |
2426 } | |
24 | 2427 |
2428 /* Handle \o40, \x20 and \u20AC style sequences */ | |
4744
a62695305e03
updated for version 7.3.1119
Bram Moolenaar <bram@vim.org>
parents:
4732
diff
changeset
|
2429 if (endc == '\\' && !reg_cpo_lit && !reg_cpo_bsl) |
24 | 2430 endc = coll_get_char(); |
2431 | |
7 | 2432 if (startc > endc) |
11480
99ce30ac4226
patch 8.0.0623: error for invalid regexp is not very informative
Christian Brabandt <cb@256bit.org>
parents:
11269
diff
changeset
|
2433 EMSG_RET_NULL(_(e_reverse_range)); |
7 | 2434 #ifdef FEAT_MBYTE |
2435 if (has_mbyte && ((*mb_char2len)(startc) > 1 | |
2436 || (*mb_char2len)(endc) > 1)) | |
2437 { | |
11480
99ce30ac4226
patch 8.0.0623: error for invalid regexp is not very informative
Christian Brabandt <cb@256bit.org>
parents:
11269
diff
changeset
|
2438 /* Limit to a range of 256 chars. */ |
7 | 2439 if (endc > startc + 256) |
11480
99ce30ac4226
patch 8.0.0623: error for invalid regexp is not very informative
Christian Brabandt <cb@256bit.org>
parents:
11269
diff
changeset
|
2440 EMSG_RET_NULL(_(e_large_class)); |
7 | 2441 while (++startc <= endc) |
2442 regmbc(startc); | |
2443 } | |
2444 else | |
2445 #endif | |
2446 { | |
2447 #ifdef EBCDIC | |
2448 int alpha_only = FALSE; | |
2449 | |
2450 /* for alphabetical range skip the gaps | |
2451 * 'i'-'j', 'r'-'s', 'I'-'J' and 'R'-'S'. */ | |
2452 if (isalpha(startc) && isalpha(endc)) | |
2453 alpha_only = TRUE; | |
2454 #endif | |
2455 while (++startc <= endc) | |
2456 #ifdef EBCDIC | |
2457 if (!alpha_only || isalpha(startc)) | |
2458 #endif | |
2459 regc(startc); | |
2460 } | |
2461 startc = -1; | |
2462 } | |
2463 } | |
2464 /* | |
2465 * Only "\]", "\^", "\]" and "\\" are special in Vi. Vim | |
2466 * accepts "\t", "\e", etc., but only when the 'l' flag in | |
2467 * 'cpoptions' is not included. | |
167 | 2468 * Posix doesn't recognize backslash at all. |
7 | 2469 */ |
2470 else if (*regparse == '\\' | |
4744
a62695305e03
updated for version 7.3.1119
Bram Moolenaar <bram@vim.org>
parents:
4732
diff
changeset
|
2471 && !reg_cpo_bsl |
7 | 2472 && (vim_strchr(REGEXP_INRANGE, regparse[1]) != NULL |
4744
a62695305e03
updated for version 7.3.1119
Bram Moolenaar <bram@vim.org>
parents:
4732
diff
changeset
|
2473 || (!reg_cpo_lit |
7 | 2474 && vim_strchr(REGEXP_ABBR, |
2475 regparse[1]) != NULL))) | |
2476 { | |
2477 regparse++; | |
2478 if (*regparse == 'n') | |
2479 { | |
2480 /* '\n' in range: also match NL */ | |
2481 if (ret != JUST_CALC_SIZE) | |
2482 { | |
4084 | 2483 /* Using \n inside [^] does not change what |
2484 * matches. "[^\n]" is the same as ".". */ | |
2485 if (*ret == ANYOF) | |
2486 { | |
7 | 2487 *ret = ANYOF + ADD_NL; |
4084 | 2488 *flagp |= HASNL; |
2489 } | |
7 | 2490 /* else: must have had a \n already */ |
2491 } | |
2492 regparse++; | |
2493 startc = -1; | |
2494 } | |
24 | 2495 else if (*regparse == 'd' |
2496 || *regparse == 'o' | |
2497 || *regparse == 'x' | |
2498 || *regparse == 'u' | |
2499 || *regparse == 'U') | |
2500 { | |
2501 startc = coll_get_char(); | |
2502 if (startc == 0) | |
2503 regc(0x0a); | |
2504 else | |
2505 #ifdef FEAT_MBYTE | |
2506 regmbc(startc); | |
2507 #else | |
2508 regc(startc); | |
2509 #endif | |
2510 } | |
7 | 2511 else |
2512 { | |
2513 startc = backslash_trans(*regparse++); | |
2514 regc(startc); | |
2515 } | |
2516 } | |
2517 else if (*regparse == '[') | |
2518 { | |
2519 int c_class; | |
2520 int cu; | |
2521 | |
167 | 2522 c_class = get_char_class(®parse); |
7 | 2523 startc = -1; |
2524 /* Characters assumed to be 8 bits! */ | |
2525 switch (c_class) | |
2526 { | |
2527 case CLASS_NONE: | |
167 | 2528 c_class = get_equi_class(®parse); |
2529 if (c_class != 0) | |
2530 { | |
2531 /* produce equivalence class */ | |
2532 reg_equi_class(c_class); | |
2533 } | |
2534 else if ((c_class = | |
2535 get_coll_element(®parse)) != 0) | |
2536 { | |
2537 /* produce a collating element */ | |
2538 regmbc(c_class); | |
2539 } | |
2540 else | |
2541 { | |
2542 /* literal '[', allow [[-x] as a range */ | |
2543 startc = *regparse++; | |
2544 regc(startc); | |
2545 } | |
7 | 2546 break; |
2547 case CLASS_ALNUM: | |
9015
42b228c8701b
commit https://github.com/vim/vim/commit/e8aee7dcf9b12becff86e8ce1783a86801c5f9f6
Christian Brabandt <cb@256bit.org>
parents:
8995
diff
changeset
|
2548 for (cu = 1; cu < 128; cu++) |
7 | 2549 if (isalnum(cu)) |
8995
3cf6704d6efc
commit https://github.com/vim/vim/commit/af98a49dd0ef1661b4998f118151fddbf6e4df75
Christian Brabandt <cb@256bit.org>
parents:
8863
diff
changeset
|
2550 regmbc(cu); |
7 | 2551 break; |
2552 case CLASS_ALPHA: | |
9015
42b228c8701b
commit https://github.com/vim/vim/commit/e8aee7dcf9b12becff86e8ce1783a86801c5f9f6
Christian Brabandt <cb@256bit.org>
parents:
8995
diff
changeset
|
2553 for (cu = 1; cu < 128; cu++) |
7 | 2554 if (isalpha(cu)) |
8995
3cf6704d6efc
commit https://github.com/vim/vim/commit/af98a49dd0ef1661b4998f118151fddbf6e4df75
Christian Brabandt <cb@256bit.org>
parents:
8863
diff
changeset
|
2555 regmbc(cu); |
7 | 2556 break; |
2557 case CLASS_BLANK: | |
2558 regc(' '); | |
2559 regc('\t'); | |
2560 break; | |
2561 case CLASS_CNTRL: | |
11267
588de97b40e7
patch 8.0.0519: character classes are not well tested
Christian Brabandt <cb@256bit.org>
parents:
11129
diff
changeset
|
2562 for (cu = 1; cu <= 127; cu++) |
7 | 2563 if (iscntrl(cu)) |
8995
3cf6704d6efc
commit https://github.com/vim/vim/commit/af98a49dd0ef1661b4998f118151fddbf6e4df75
Christian Brabandt <cb@256bit.org>
parents:
8863
diff
changeset
|
2564 regmbc(cu); |
7 | 2565 break; |
2566 case CLASS_DIGIT: | |
11267
588de97b40e7
patch 8.0.0519: character classes are not well tested
Christian Brabandt <cb@256bit.org>
parents:
11129
diff
changeset
|
2567 for (cu = 1; cu <= 127; cu++) |
7 | 2568 if (VIM_ISDIGIT(cu)) |
8995
3cf6704d6efc
commit https://github.com/vim/vim/commit/af98a49dd0ef1661b4998f118151fddbf6e4df75
Christian Brabandt <cb@256bit.org>
parents:
8863
diff
changeset
|
2569 regmbc(cu); |
7 | 2570 break; |
2571 case CLASS_GRAPH: | |
11267
588de97b40e7
patch 8.0.0519: character classes are not well tested
Christian Brabandt <cb@256bit.org>
parents:
11129
diff
changeset
|
2572 for (cu = 1; cu <= 127; cu++) |
7 | 2573 if (isgraph(cu)) |
8995
3cf6704d6efc
commit https://github.com/vim/vim/commit/af98a49dd0ef1661b4998f118151fddbf6e4df75
Christian Brabandt <cb@256bit.org>
parents:
8863
diff
changeset
|
2574 regmbc(cu); |
7 | 2575 break; |
2576 case CLASS_LOWER: | |
2577 for (cu = 1; cu <= 255; cu++) | |
9015
42b228c8701b
commit https://github.com/vim/vim/commit/e8aee7dcf9b12becff86e8ce1783a86801c5f9f6
Christian Brabandt <cb@256bit.org>
parents:
8995
diff
changeset
|
2578 if (MB_ISLOWER(cu) && cu != 170 |
42b228c8701b
commit https://github.com/vim/vim/commit/e8aee7dcf9b12becff86e8ce1783a86801c5f9f6
Christian Brabandt <cb@256bit.org>
parents:
8995
diff
changeset
|
2579 && cu != 186) |
8995
3cf6704d6efc
commit https://github.com/vim/vim/commit/af98a49dd0ef1661b4998f118151fddbf6e4df75
Christian Brabandt <cb@256bit.org>
parents:
8863
diff
changeset
|
2580 regmbc(cu); |
7 | 2581 break; |
2582 case CLASS_PRINT: | |
2583 for (cu = 1; cu <= 255; cu++) | |
2584 if (vim_isprintc(cu)) | |
8995
3cf6704d6efc
commit https://github.com/vim/vim/commit/af98a49dd0ef1661b4998f118151fddbf6e4df75
Christian Brabandt <cb@256bit.org>
parents:
8863
diff
changeset
|
2585 regmbc(cu); |
7 | 2586 break; |
2587 case CLASS_PUNCT: | |
9015
42b228c8701b
commit https://github.com/vim/vim/commit/e8aee7dcf9b12becff86e8ce1783a86801c5f9f6
Christian Brabandt <cb@256bit.org>
parents:
8995
diff
changeset
|
2588 for (cu = 1; cu < 128; cu++) |
7 | 2589 if (ispunct(cu)) |
8995
3cf6704d6efc
commit https://github.com/vim/vim/commit/af98a49dd0ef1661b4998f118151fddbf6e4df75
Christian Brabandt <cb@256bit.org>
parents:
8863
diff
changeset
|
2590 regmbc(cu); |
7 | 2591 break; |
2592 case CLASS_SPACE: | |
2593 for (cu = 9; cu <= 13; cu++) | |
2594 regc(cu); | |
2595 regc(' '); | |
2596 break; | |
2597 case CLASS_UPPER: | |
2598 for (cu = 1; cu <= 255; cu++) | |
1347 | 2599 if (MB_ISUPPER(cu)) |
8995
3cf6704d6efc
commit https://github.com/vim/vim/commit/af98a49dd0ef1661b4998f118151fddbf6e4df75
Christian Brabandt <cb@256bit.org>
parents:
8863
diff
changeset
|
2600 regmbc(cu); |
7 | 2601 break; |
2602 case CLASS_XDIGIT: | |
2603 for (cu = 1; cu <= 255; cu++) | |
2604 if (vim_isxdigit(cu)) | |
8995
3cf6704d6efc
commit https://github.com/vim/vim/commit/af98a49dd0ef1661b4998f118151fddbf6e4df75
Christian Brabandt <cb@256bit.org>
parents:
8863
diff
changeset
|
2605 regmbc(cu); |
7 | 2606 break; |
2607 case CLASS_TAB: | |
2608 regc('\t'); | |
2609 break; | |
2610 case CLASS_RETURN: | |
2611 regc('\r'); | |
2612 break; | |
2613 case CLASS_BACKSPACE: | |
2614 regc('\b'); | |
2615 break; | |
2616 case CLASS_ESCAPE: | |
2617 regc('\033'); | |
2618 break; | |
2619 } | |
2620 } | |
2621 else | |
2622 { | |
2623 #ifdef FEAT_MBYTE | |
2624 if (has_mbyte) | |
2625 { | |
2626 int len; | |
2627 | |
2628 /* produce a multibyte character, including any | |
2629 * following composing characters */ | |
2630 startc = mb_ptr2char(regparse); | |
474 | 2631 len = (*mb_ptr2len)(regparse); |
7 | 2632 if (enc_utf8 && utf_char2len(startc) != len) |
2633 startc = -1; /* composing chars */ | |
2634 while (--len >= 0) | |
2635 regc(*regparse++); | |
2636 } | |
2637 else | |
2638 #endif | |
2639 { | |
2640 startc = *regparse++; | |
2641 regc(startc); | |
2642 } | |
2643 } | |
2644 } | |
2645 regc(NUL); | |
2646 prevchr_len = 1; /* last char was the ']' */ | |
2647 if (*regparse != ']') | |
2648 EMSG_RET_NULL(_(e_toomsbra)); /* Cannot happen? */ | |
2649 skipchr(); /* let's be friends with the lexer again */ | |
2650 *flagp |= HASWIDTH | SIMPLE; | |
2651 break; | |
2652 } | |
481 | 2653 else if (reg_strict) |
4444 | 2654 EMSG2_RET_NULL(_(e_missingbracket), reg_magic > MAGIC_OFF); |
7 | 2655 } |
2656 /* FALLTHROUGH */ | |
2657 | |
2658 default: | |
2659 { | |
2660 int len; | |
2661 | |
2662 #ifdef FEAT_MBYTE | |
2663 /* A multi-byte character is handled as a separate atom if it's | |
714 | 2664 * before a multi and when it's a composing char. */ |
2665 if (use_multibytecode(c)) | |
7 | 2666 { |
714 | 2667 do_multibyte: |
7 | 2668 ret = regnode(MULTIBYTECODE); |
2669 regmbc(c); | |
2670 *flagp |= HASWIDTH | SIMPLE; | |
2671 break; | |
2672 } | |
2673 #endif | |
2674 | |
2675 ret = regnode(EXACTLY); | |
2676 | |
2677 /* | |
2678 * Append characters as long as: | |
2679 * - there is no following multi, we then need the character in | |
2680 * front of it as a single character operand | |
2681 * - not running into a Magic character | |
2682 * - "one_exactly" is not set | |
2683 * But always emit at least one character. Might be a Multi, | |
2684 * e.g., a "[" without matching "]". | |
2685 */ | |
2686 for (len = 0; c != NUL && (len == 0 | |
2687 || (re_multi_type(peekchr()) == NOT_MULTI | |
2688 && !one_exactly | |
2689 && !is_Magic(c))); ++len) | |
2690 { | |
2691 c = no_Magic(c); | |
2692 #ifdef FEAT_MBYTE | |
2693 if (has_mbyte) | |
2694 { | |
2695 regmbc(c); | |
2696 if (enc_utf8) | |
2697 { | |
2698 int l; | |
2699 | |
714 | 2700 /* Need to get composing character too. */ |
7 | 2701 for (;;) |
2702 { | |
714 | 2703 l = utf_ptr2len(regparse); |
2704 if (!UTF_COMPOSINGLIKE(regparse, regparse + l)) | |
7 | 2705 break; |
714 | 2706 regmbc(utf_ptr2char(regparse)); |
2707 skipchr(); | |
7 | 2708 } |
2709 } | |
2710 } | |
2711 else | |
2712 #endif | |
2713 regc(c); | |
2714 c = getchr(); | |
2715 } | |
2716 ungetchr(); | |
2717 | |
2718 regc(NUL); | |
2719 *flagp |= HASWIDTH; | |
2720 if (len == 1) | |
2721 *flagp |= SIMPLE; | |
2722 } | |
2723 break; | |
2724 } | |
2725 | |
2726 return ret; | |
2727 } | |
2728 | |
714 | 2729 #ifdef FEAT_MBYTE |
2730 /* | |
2731 * Return TRUE if MULTIBYTECODE should be used instead of EXACTLY for | |
2732 * character "c". | |
2733 */ | |
2734 static int | |
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
2735 use_multibytecode(int c) |
714 | 2736 { |
2737 return has_mbyte && (*mb_char2len)(c) > 1 | |
2738 && (re_multi_type(peekchr()) != NOT_MULTI | |
2739 || (enc_utf8 && utf_iscomposing(c))); | |
2740 } | |
2741 #endif | |
2742 | |
7 | 2743 /* |
4444 | 2744 * Emit a node. |
7 | 2745 * Return pointer to generated code. |
2746 */ | |
2747 static char_u * | |
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
2748 regnode(int op) |
7 | 2749 { |
2750 char_u *ret; | |
2751 | |
2752 ret = regcode; | |
2753 if (ret == JUST_CALC_SIZE) | |
2754 regsize += 3; | |
2755 else | |
2756 { | |
2757 *regcode++ = op; | |
2758 *regcode++ = NUL; /* Null "next" pointer. */ | |
2759 *regcode++ = NUL; | |
2760 } | |
2761 return ret; | |
2762 } | |
2763 | |
2764 /* | |
2765 * Emit (if appropriate) a byte of code | |
2766 */ | |
2767 static void | |
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
2768 regc(int b) |
7 | 2769 { |
2770 if (regcode == JUST_CALC_SIZE) | |
2771 regsize++; | |
2772 else | |
2773 *regcode++ = b; | |
2774 } | |
2775 | |
2776 #ifdef FEAT_MBYTE | |
2777 /* | |
2778 * Emit (if appropriate) a multi-byte character of code | |
2779 */ | |
2780 static void | |
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
2781 regmbc(int c) |
7 | 2782 { |
2974 | 2783 if (!has_mbyte && c > 0xff) |
2784 return; | |
7 | 2785 if (regcode == JUST_CALC_SIZE) |
2786 regsize += (*mb_char2len)(c); | |
2787 else | |
2788 regcode += (*mb_char2bytes)(c, regcode); | |
2789 } | |
2790 #endif | |
2791 | |
2792 /* | |
4444 | 2793 * Insert an operator in front of already-emitted operand |
7 | 2794 * |
2795 * Means relocating the operand. | |
2796 */ | |
2797 static void | |
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
2798 reginsert(int op, char_u *opnd) |
7 | 2799 { |
2800 char_u *src; | |
2801 char_u *dst; | |
2802 char_u *place; | |
2803 | |
2804 if (regcode == JUST_CALC_SIZE) | |
2805 { | |
2806 regsize += 3; | |
2807 return; | |
2808 } | |
2809 src = regcode; | |
2810 regcode += 3; | |
2811 dst = regcode; | |
2812 while (src > opnd) | |
2813 *--dst = *--src; | |
2814 | |
2815 place = opnd; /* Op node, where operand used to be. */ | |
2816 *place++ = op; | |
2817 *place++ = NUL; | |
2818 *place = NUL; | |
2819 } | |
2820 | |
2821 /* | |
4444 | 2822 * Insert an operator in front of already-emitted operand. |
4579
7a2be4a39423
updated for version 7.3.1037
Bram Moolenaar <bram@vim.org>
parents:
4505
diff
changeset
|
2823 * Add a number to the operator. |
7a2be4a39423
updated for version 7.3.1037
Bram Moolenaar <bram@vim.org>
parents:
4505
diff
changeset
|
2824 */ |
7a2be4a39423
updated for version 7.3.1037
Bram Moolenaar <bram@vim.org>
parents:
4505
diff
changeset
|
2825 static void |
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
2826 reginsert_nr(int op, long val, char_u *opnd) |
4579
7a2be4a39423
updated for version 7.3.1037
Bram Moolenaar <bram@vim.org>
parents:
4505
diff
changeset
|
2827 { |
7a2be4a39423
updated for version 7.3.1037
Bram Moolenaar <bram@vim.org>
parents:
4505
diff
changeset
|
2828 char_u *src; |
7a2be4a39423
updated for version 7.3.1037
Bram Moolenaar <bram@vim.org>
parents:
4505
diff
changeset
|
2829 char_u *dst; |
7a2be4a39423
updated for version 7.3.1037
Bram Moolenaar <bram@vim.org>
parents:
4505
diff
changeset
|
2830 char_u *place; |
7a2be4a39423
updated for version 7.3.1037
Bram Moolenaar <bram@vim.org>
parents:
4505
diff
changeset
|
2831 |
7a2be4a39423
updated for version 7.3.1037
Bram Moolenaar <bram@vim.org>
parents:
4505
diff
changeset
|
2832 if (regcode == JUST_CALC_SIZE) |
7a2be4a39423
updated for version 7.3.1037
Bram Moolenaar <bram@vim.org>
parents:
4505
diff
changeset
|
2833 { |
7a2be4a39423
updated for version 7.3.1037
Bram Moolenaar <bram@vim.org>
parents:
4505
diff
changeset
|
2834 regsize += 7; |
7a2be4a39423
updated for version 7.3.1037
Bram Moolenaar <bram@vim.org>
parents:
4505
diff
changeset
|
2835 return; |
7a2be4a39423
updated for version 7.3.1037
Bram Moolenaar <bram@vim.org>
parents:
4505
diff
changeset
|
2836 } |
7a2be4a39423
updated for version 7.3.1037
Bram Moolenaar <bram@vim.org>
parents:
4505
diff
changeset
|
2837 src = regcode; |
7a2be4a39423
updated for version 7.3.1037
Bram Moolenaar <bram@vim.org>
parents:
4505
diff
changeset
|
2838 regcode += 7; |
7a2be4a39423
updated for version 7.3.1037
Bram Moolenaar <bram@vim.org>
parents:
4505
diff
changeset
|
2839 dst = regcode; |
7a2be4a39423
updated for version 7.3.1037
Bram Moolenaar <bram@vim.org>
parents:
4505
diff
changeset
|
2840 while (src > opnd) |
7a2be4a39423
updated for version 7.3.1037
Bram Moolenaar <bram@vim.org>
parents:
4505
diff
changeset
|
2841 *--dst = *--src; |
7a2be4a39423
updated for version 7.3.1037
Bram Moolenaar <bram@vim.org>
parents:
4505
diff
changeset
|
2842 |
7a2be4a39423
updated for version 7.3.1037
Bram Moolenaar <bram@vim.org>
parents:
4505
diff
changeset
|
2843 place = opnd; /* Op node, where operand used to be. */ |
7a2be4a39423
updated for version 7.3.1037
Bram Moolenaar <bram@vim.org>
parents:
4505
diff
changeset
|
2844 *place++ = op; |
7a2be4a39423
updated for version 7.3.1037
Bram Moolenaar <bram@vim.org>
parents:
4505
diff
changeset
|
2845 *place++ = NUL; |
7a2be4a39423
updated for version 7.3.1037
Bram Moolenaar <bram@vim.org>
parents:
4505
diff
changeset
|
2846 *place++ = NUL; |
7a2be4a39423
updated for version 7.3.1037
Bram Moolenaar <bram@vim.org>
parents:
4505
diff
changeset
|
2847 place = re_put_long(place, (long_u)val); |
7a2be4a39423
updated for version 7.3.1037
Bram Moolenaar <bram@vim.org>
parents:
4505
diff
changeset
|
2848 } |
7a2be4a39423
updated for version 7.3.1037
Bram Moolenaar <bram@vim.org>
parents:
4505
diff
changeset
|
2849 |
7a2be4a39423
updated for version 7.3.1037
Bram Moolenaar <bram@vim.org>
parents:
4505
diff
changeset
|
2850 /* |
7a2be4a39423
updated for version 7.3.1037
Bram Moolenaar <bram@vim.org>
parents:
4505
diff
changeset
|
2851 * Insert an operator in front of already-emitted operand. |
7 | 2852 * The operator has the given limit values as operands. Also set next pointer. |
2853 * | |
2854 * Means relocating the operand. | |
2855 */ | |
2856 static void | |
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
2857 reginsert_limits( |
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
2858 int op, |
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
2859 long minval, |
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
2860 long maxval, |
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
2861 char_u *opnd) |
7 | 2862 { |
2863 char_u *src; | |
2864 char_u *dst; | |
2865 char_u *place; | |
2866 | |
2867 if (regcode == JUST_CALC_SIZE) | |
2868 { | |
2869 regsize += 11; | |
2870 return; | |
2871 } | |
2872 src = regcode; | |
2873 regcode += 11; | |
2874 dst = regcode; | |
2875 while (src > opnd) | |
2876 *--dst = *--src; | |
2877 | |
2878 place = opnd; /* Op node, where operand used to be. */ | |
2879 *place++ = op; | |
2880 *place++ = NUL; | |
2881 *place++ = NUL; | |
2882 place = re_put_long(place, (long_u)minval); | |
2883 place = re_put_long(place, (long_u)maxval); | |
2884 regtail(opnd, place); | |
2885 } | |
2886 | |
2887 /* | |
2888 * Write a long as four bytes at "p" and return pointer to the next char. | |
2889 */ | |
2890 static char_u * | |
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
2891 re_put_long(char_u *p, long_u val) |
7 | 2892 { |
2893 *p++ = (char_u) ((val >> 24) & 0377); | |
2894 *p++ = (char_u) ((val >> 16) & 0377); | |
2895 *p++ = (char_u) ((val >> 8) & 0377); | |
2896 *p++ = (char_u) (val & 0377); | |
2897 return p; | |
2898 } | |
2899 | |
2900 /* | |
4444 | 2901 * Set the next-pointer at the end of a node chain. |
7 | 2902 */ |
2903 static void | |
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
2904 regtail(char_u *p, char_u *val) |
7 | 2905 { |
2906 char_u *scan; | |
2907 char_u *temp; | |
2908 int offset; | |
2909 | |
2910 if (p == JUST_CALC_SIZE) | |
2911 return; | |
2912 | |
2913 /* Find last node. */ | |
2914 scan = p; | |
2915 for (;;) | |
2916 { | |
2917 temp = regnext(scan); | |
2918 if (temp == NULL) | |
2919 break; | |
2920 scan = temp; | |
2921 } | |
2922 | |
233 | 2923 if (OP(scan) == BACK) |
7 | 2924 offset = (int)(scan - val); |
2925 else | |
2926 offset = (int)(val - scan); | |
2010 | 2927 /* When the offset uses more than 16 bits it can no longer fit in the two |
2974 | 2928 * bytes available. Use a global flag to avoid having to check return |
2010 | 2929 * values in too many places. */ |
2930 if (offset > 0xffff) | |
2931 reg_toolong = TRUE; | |
2932 else | |
2933 { | |
2934 *(scan + 1) = (char_u) (((unsigned)offset >> 8) & 0377); | |
2935 *(scan + 2) = (char_u) (offset & 0377); | |
2936 } | |
7 | 2937 } |
2938 | |
2939 /* | |
4444 | 2940 * Like regtail, on item after a BRANCH; nop if none. |
7 | 2941 */ |
2942 static void | |
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
2943 regoptail(char_u *p, char_u *val) |
7 | 2944 { |
2945 /* When op is neither BRANCH nor BRACE_COMPLEX0-9, it is "operandless" */ | |
2946 if (p == NULL || p == JUST_CALC_SIZE | |
2947 || (OP(p) != BRANCH | |
2948 && (OP(p) < BRACE_COMPLEX || OP(p) > BRACE_COMPLEX + 9))) | |
2949 return; | |
2950 regtail(OPERAND(p), val); | |
2951 } | |
2952 | |
2953 /* | |
4444 | 2954 * Functions for getting characters from the regexp input. |
7 | 2955 */ |
4444 | 2956 /* |
2957 * Start parsing at "str". | |
2958 */ | |
7 | 2959 static void |
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
2960 initchr(char_u *str) |
7 | 2961 { |
2962 regparse = str; | |
2963 prevchr_len = 0; | |
2964 curchr = prevprevchr = prevchr = nextchr = -1; | |
2965 at_start = TRUE; | |
2966 prev_at_start = FALSE; | |
2967 } | |
2968 | |
4444 | 2969 /* |
4679
4d92b873acef
updated for version 7.3.1087
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
2970 * 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
|
2971 * starts in the same state again. |
4d92b873acef
updated for version 7.3.1087
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
2972 */ |
4d92b873acef
updated for version 7.3.1087
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
2973 static void |
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
2974 save_parse_state(parse_state_T *ps) |
4679
4d92b873acef
updated for version 7.3.1087
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
2975 { |
4d92b873acef
updated for version 7.3.1087
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
2976 ps->regparse = regparse; |
4d92b873acef
updated for version 7.3.1087
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
2977 ps->prevchr_len = prevchr_len; |
4d92b873acef
updated for version 7.3.1087
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
2978 ps->curchr = curchr; |
4d92b873acef
updated for version 7.3.1087
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
2979 ps->prevchr = prevchr; |
4d92b873acef
updated for version 7.3.1087
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
2980 ps->prevprevchr = prevprevchr; |
4d92b873acef
updated for version 7.3.1087
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
2981 ps->nextchr = nextchr; |
4d92b873acef
updated for version 7.3.1087
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
2982 ps->at_start = at_start; |
4d92b873acef
updated for version 7.3.1087
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
2983 ps->prev_at_start = prev_at_start; |
4d92b873acef
updated for version 7.3.1087
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
2984 ps->regnpar = regnpar; |
4d92b873acef
updated for version 7.3.1087
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
2985 } |
4d92b873acef
updated for version 7.3.1087
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
2986 |
4d92b873acef
updated for version 7.3.1087
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
2987 /* |
4d92b873acef
updated for version 7.3.1087
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
2988 * Restore a previously saved parse state. |
4d92b873acef
updated for version 7.3.1087
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
2989 */ |
4d92b873acef
updated for version 7.3.1087
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
2990 static void |
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
2991 restore_parse_state(parse_state_T *ps) |
4679
4d92b873acef
updated for version 7.3.1087
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
2992 { |
4d92b873acef
updated for version 7.3.1087
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
2993 regparse = ps->regparse; |
4d92b873acef
updated for version 7.3.1087
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
2994 prevchr_len = ps->prevchr_len; |
4d92b873acef
updated for version 7.3.1087
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
2995 curchr = ps->curchr; |
4d92b873acef
updated for version 7.3.1087
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
2996 prevchr = ps->prevchr; |
4d92b873acef
updated for version 7.3.1087
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
2997 prevprevchr = ps->prevprevchr; |
4d92b873acef
updated for version 7.3.1087
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
2998 nextchr = ps->nextchr; |
4d92b873acef
updated for version 7.3.1087
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
2999 at_start = ps->at_start; |
4d92b873acef
updated for version 7.3.1087
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
3000 prev_at_start = ps->prev_at_start; |
4d92b873acef
updated for version 7.3.1087
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
3001 regnpar = ps->regnpar; |
4d92b873acef
updated for version 7.3.1087
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
3002 } |
4d92b873acef
updated for version 7.3.1087
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
3003 |
4d92b873acef
updated for version 7.3.1087
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
3004 |
4d92b873acef
updated for version 7.3.1087
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
3005 /* |
4444 | 3006 * Get the next character without advancing. |
3007 */ | |
7 | 3008 static int |
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
3009 peekchr(void) |
7 | 3010 { |
167 | 3011 static int after_slash = FALSE; |
3012 | |
7 | 3013 if (curchr == -1) |
3014 { | |
3015 switch (curchr = regparse[0]) | |
3016 { | |
3017 case '.': | |
3018 case '[': | |
3019 case '~': | |
3020 /* magic when 'magic' is on */ | |
3021 if (reg_magic >= MAGIC_ON) | |
3022 curchr = Magic(curchr); | |
3023 break; | |
3024 case '(': | |
3025 case ')': | |
3026 case '{': | |
3027 case '%': | |
3028 case '+': | |
3029 case '=': | |
3030 case '?': | |
3031 case '@': | |
3032 case '!': | |
3033 case '&': | |
3034 case '|': | |
3035 case '<': | |
3036 case '>': | |
3037 case '#': /* future ext. */ | |
3038 case '"': /* future ext. */ | |
3039 case '\'': /* future ext. */ | |
3040 case ',': /* future ext. */ | |
3041 case '-': /* future ext. */ | |
3042 case ':': /* future ext. */ | |
3043 case ';': /* future ext. */ | |
3044 case '`': /* future ext. */ | |
3045 case '/': /* Can't be used in / command */ | |
3046 /* magic only after "\v" */ | |
3047 if (reg_magic == MAGIC_ALL) | |
3048 curchr = Magic(curchr); | |
3049 break; | |
3050 case '*': | |
167 | 3051 /* * is not magic as the very first character, eg "?*ptr", when |
3052 * after '^', eg "/^*ptr" and when after "\(", "\|", "\&". But | |
3053 * "\(\*" is not magic, thus must be magic if "after_slash" */ | |
3054 if (reg_magic >= MAGIC_ON | |
3055 && !at_start | |
3056 && !(prev_at_start && prevchr == Magic('^')) | |
3057 && (after_slash | |
3058 || (prevchr != Magic('(') | |
3059 && prevchr != Magic('&') | |
3060 && prevchr != Magic('|')))) | |
7 | 3061 curchr = Magic('*'); |
3062 break; | |
3063 case '^': | |
3064 /* '^' is only magic as the very first character and if it's after | |
3065 * "\(", "\|", "\&' or "\n" */ | |
3066 if (reg_magic >= MAGIC_OFF | |
3067 && (at_start | |
3068 || reg_magic == MAGIC_ALL | |
3069 || prevchr == Magic('(') | |
3070 || prevchr == Magic('|') | |
3071 || prevchr == Magic('&') | |
3072 || prevchr == Magic('n') | |
3073 || (no_Magic(prevchr) == '(' | |
3074 && prevprevchr == Magic('%')))) | |
3075 { | |
3076 curchr = Magic('^'); | |
3077 at_start = TRUE; | |
3078 prev_at_start = FALSE; | |
3079 } | |
3080 break; | |
3081 case '$': | |
3082 /* '$' is only magic as the very last char and if it's in front of | |
3083 * either "\|", "\)", "\&", or "\n" */ | |
3084 if (reg_magic >= MAGIC_OFF) | |
3085 { | |
3086 char_u *p = regparse + 1; | |
6041 | 3087 int is_magic_all = (reg_magic == MAGIC_ALL); |
3088 | |
3089 /* ignore \c \C \m \M \v \V and \Z after '$' */ | |
7 | 3090 while (p[0] == '\\' && (p[1] == 'c' || p[1] == 'C' |
6041 | 3091 || p[1] == 'm' || p[1] == 'M' |
3092 || p[1] == 'v' || p[1] == 'V' || p[1] == 'Z')) | |
3093 { | |
3094 if (p[1] == 'v') | |
3095 is_magic_all = TRUE; | |
3096 else if (p[1] == 'm' || p[1] == 'M' || p[1] == 'V') | |
3097 is_magic_all = FALSE; | |
7 | 3098 p += 2; |
6041 | 3099 } |
7 | 3100 if (p[0] == NUL |
3101 || (p[0] == '\\' | |
3102 && (p[1] == '|' || p[1] == '&' || p[1] == ')' | |
3103 || p[1] == 'n')) | |
6041 | 3104 || (is_magic_all |
3105 && (p[0] == '|' || p[0] == '&' || p[0] == ')')) | |
7 | 3106 || reg_magic == MAGIC_ALL) |
3107 curchr = Magic('$'); | |
3108 } | |
3109 break; | |
3110 case '\\': | |
3111 { | |
3112 int c = regparse[1]; | |
3113 | |
3114 if (c == NUL) | |
3115 curchr = '\\'; /* trailing '\' */ | |
3116 else if ( | |
3117 #ifdef EBCDIC | |
3118 vim_strchr(META, c) | |
3119 #else | |
3120 c <= '~' && META_flags[c] | |
3121 #endif | |
3122 ) | |
3123 { | |
3124 /* | |
3125 * META contains everything that may be magic sometimes, | |
3126 * except ^ and $ ("\^" and "\$" are only magic after | |
6830 | 3127 * "\V"). We now fetch the next character and toggle its |
7 | 3128 * magicness. Therefore, \ is so meta-magic that it is |
3129 * not in META. | |
3130 */ | |
3131 curchr = -1; | |
3132 prev_at_start = at_start; | |
3133 at_start = FALSE; /* be able to say "/\*ptr" */ | |
3134 ++regparse; | |
167 | 3135 ++after_slash; |
7 | 3136 peekchr(); |
3137 --regparse; | |
167 | 3138 --after_slash; |
7 | 3139 curchr = toggle_Magic(curchr); |
3140 } | |
3141 else if (vim_strchr(REGEXP_ABBR, c)) | |
3142 { | |
3143 /* | |
3144 * Handle abbreviations, like "\t" for TAB -- webb | |
3145 */ | |
3146 curchr = backslash_trans(c); | |
3147 } | |
3148 else if (reg_magic == MAGIC_NONE && (c == '$' || c == '^')) | |
3149 curchr = toggle_Magic(c); | |
3150 else | |
3151 { | |
3152 /* | |
3153 * Next character can never be (made) magic? | |
3154 * Then backslashing it won't do anything. | |
3155 */ | |
3156 #ifdef FEAT_MBYTE | |
3157 if (has_mbyte) | |
3158 curchr = (*mb_ptr2char)(regparse + 1); | |
3159 else | |
3160 #endif | |
3161 curchr = c; | |
3162 } | |
3163 break; | |
3164 } | |
3165 | |
3166 #ifdef FEAT_MBYTE | |
3167 default: | |
3168 if (has_mbyte) | |
3169 curchr = (*mb_ptr2char)(regparse); | |
3170 #endif | |
3171 } | |
3172 } | |
3173 | |
3174 return curchr; | |
3175 } | |
3176 | |
3177 /* | |
3178 * Eat one lexed character. Do this in a way that we can undo it. | |
3179 */ | |
3180 static void | |
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
3181 skipchr(void) |
7 | 3182 { |
3183 /* peekchr() eats a backslash, do the same here */ | |
3184 if (*regparse == '\\') | |
3185 prevchr_len = 1; | |
3186 else | |
3187 prevchr_len = 0; | |
3188 if (regparse[prevchr_len] != NUL) | |
3189 { | |
3190 #ifdef FEAT_MBYTE | |
714 | 3191 if (enc_utf8) |
1449 | 3192 /* exclude composing chars that mb_ptr2len does include */ |
3193 prevchr_len += utf_ptr2len(regparse + prevchr_len); | |
714 | 3194 else if (has_mbyte) |
474 | 3195 prevchr_len += (*mb_ptr2len)(regparse + prevchr_len); |
7 | 3196 else |
3197 #endif | |
3198 ++prevchr_len; | |
3199 } | |
3200 regparse += prevchr_len; | |
3201 prev_at_start = at_start; | |
3202 at_start = FALSE; | |
3203 prevprevchr = prevchr; | |
3204 prevchr = curchr; | |
3205 curchr = nextchr; /* use previously unget char, or -1 */ | |
3206 nextchr = -1; | |
3207 } | |
3208 | |
3209 /* | |
3210 * Skip a character while keeping the value of prev_at_start for at_start. | |
3211 * prevchr and prevprevchr are also kept. | |
3212 */ | |
3213 static void | |
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
3214 skipchr_keepstart(void) |
7 | 3215 { |
3216 int as = prev_at_start; | |
3217 int pr = prevchr; | |
3218 int prpr = prevprevchr; | |
3219 | |
3220 skipchr(); | |
3221 at_start = as; | |
3222 prevchr = pr; | |
3223 prevprevchr = prpr; | |
3224 } | |
3225 | |
4444 | 3226 /* |
3227 * Get the next character from the pattern. We know about magic and such, so | |
3228 * therefore we need a lexical analyzer. | |
3229 */ | |
7 | 3230 static int |
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
3231 getchr(void) |
7 | 3232 { |
3233 int chr = peekchr(); | |
3234 | |
3235 skipchr(); | |
3236 return chr; | |
3237 } | |
3238 | |
3239 /* | |
3240 * put character back. Works only once! | |
3241 */ | |
3242 static void | |
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
3243 ungetchr(void) |
7 | 3244 { |
3245 nextchr = curchr; | |
3246 curchr = prevchr; | |
3247 prevchr = prevprevchr; | |
3248 at_start = prev_at_start; | |
3249 prev_at_start = FALSE; | |
3250 | |
3251 /* Backup regparse, so that it's at the same position as before the | |
3252 * getchr(). */ | |
3253 regparse -= prevchr_len; | |
3254 } | |
3255 | |
3256 /* | |
29 | 3257 * Get and return the value of the hex string at the current position. |
3258 * Return -1 if there is no valid hex number. | |
3259 * The position is updated: | |
24 | 3260 * blahblah\%x20asdf |
856 | 3261 * before-^ ^-after |
24 | 3262 * The parameter controls the maximum number of input characters. This will be |
3263 * 2 when reading a \%x20 sequence and 4 when reading a \%u20AC sequence. | |
3264 */ | |
3265 static int | |
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
3266 gethexchrs(int maxinputlen) |
24 | 3267 { |
3268 int nr = 0; | |
3269 int c; | |
3270 int i; | |
3271 | |
3272 for (i = 0; i < maxinputlen; ++i) | |
3273 { | |
3274 c = regparse[0]; | |
3275 if (!vim_isxdigit(c)) | |
3276 break; | |
3277 nr <<= 4; | |
3278 nr |= hex2nr(c); | |
3279 ++regparse; | |
3280 } | |
3281 | |
3282 if (i == 0) | |
3283 return -1; | |
3284 return nr; | |
3285 } | |
3286 | |
3287 /* | |
4579
7a2be4a39423
updated for version 7.3.1037
Bram Moolenaar <bram@vim.org>
parents:
4505
diff
changeset
|
3288 * Get and return the value of the decimal string immediately after the |
24 | 3289 * current position. Return -1 for invalid. Consumes all digits. |
3290 */ | |
3291 static int | |
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
3292 getdecchrs(void) |
24 | 3293 { |
3294 int nr = 0; | |
3295 int c; | |
3296 int i; | |
3297 | |
3298 for (i = 0; ; ++i) | |
3299 { | |
3300 c = regparse[0]; | |
3301 if (c < '0' || c > '9') | |
3302 break; | |
3303 nr *= 10; | |
3304 nr += c - '0'; | |
3305 ++regparse; | |
4579
7a2be4a39423
updated for version 7.3.1037
Bram Moolenaar <bram@vim.org>
parents:
4505
diff
changeset
|
3306 curchr = -1; /* no longer valid */ |
24 | 3307 } |
3308 | |
3309 if (i == 0) | |
3310 return -1; | |
3311 return nr; | |
3312 } | |
3313 | |
3314 /* | |
3315 * get and return the value of the octal string immediately after the current | |
3316 * position. Return -1 for invalid, or 0-255 for valid. Smart enough to handle | |
3317 * numbers > 377 correctly (for example, 400 is treated as 40) and doesn't | |
3318 * treat 8 or 9 as recognised characters. Position is updated: | |
3319 * blahblah\%o210asdf | |
856 | 3320 * before-^ ^-after |
24 | 3321 */ |
3322 static int | |
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
3323 getoctchrs(void) |
24 | 3324 { |
3325 int nr = 0; | |
3326 int c; | |
3327 int i; | |
3328 | |
3329 for (i = 0; i < 3 && nr < 040; ++i) | |
3330 { | |
3331 c = regparse[0]; | |
3332 if (c < '0' || c > '7') | |
3333 break; | |
3334 nr <<= 3; | |
3335 nr |= hex2nr(c); | |
3336 ++regparse; | |
3337 } | |
3338 | |
3339 if (i == 0) | |
3340 return -1; | |
3341 return nr; | |
3342 } | |
3343 | |
3344 /* | |
3345 * Get a number after a backslash that is inside []. | |
3346 * When nothing is recognized return a backslash. | |
3347 */ | |
3348 static int | |
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
3349 coll_get_char(void) |
24 | 3350 { |
3351 int nr = -1; | |
3352 | |
3353 switch (*regparse++) | |
3354 { | |
3355 case 'd': nr = getdecchrs(); break; | |
3356 case 'o': nr = getoctchrs(); break; | |
3357 case 'x': nr = gethexchrs(2); break; | |
3358 case 'u': nr = gethexchrs(4); break; | |
3359 case 'U': nr = gethexchrs(8); break; | |
3360 } | |
3361 if (nr < 0) | |
3362 { | |
3363 /* If getting the number fails be backwards compatible: the character | |
3364 * is a backslash. */ | |
3365 --regparse; | |
3366 nr = '\\'; | |
3367 } | |
3368 return nr; | |
3369 } | |
3370 | |
3371 /* | |
7 | 3372 * read_limits - Read two integers to be taken as a minimum and maximum. |
3373 * If the first character is '-', then the range is reversed. | |
3374 * Should end with 'end'. If minval is missing, zero is default, if maxval is | |
3375 * missing, a very big number is the default. | |
3376 */ | |
3377 static int | |
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
3378 read_limits(long *minval, long *maxval) |
7 | 3379 { |
3380 int reverse = FALSE; | |
3381 char_u *first_char; | |
3382 long tmp; | |
3383 | |
3384 if (*regparse == '-') | |
3385 { | |
3386 /* Starts with '-', so reverse the range later */ | |
3387 regparse++; | |
3388 reverse = TRUE; | |
3389 } | |
3390 first_char = regparse; | |
3391 *minval = getdigits(®parse); | |
3392 if (*regparse == ',') /* There is a comma */ | |
3393 { | |
3394 if (vim_isdigit(*++regparse)) | |
3395 *maxval = getdigits(®parse); | |
3396 else | |
3397 *maxval = MAX_LIMIT; | |
3398 } | |
3399 else if (VIM_ISDIGIT(*first_char)) | |
3400 *maxval = *minval; /* It was \{n} or \{-n} */ | |
3401 else | |
3402 *maxval = MAX_LIMIT; /* It was \{} or \{-} */ | |
3403 if (*regparse == '\\') | |
3404 regparse++; /* Allow either \{...} or \{...\} */ | |
167 | 3405 if (*regparse != '}') |
7 | 3406 { |
3407 sprintf((char *)IObuff, _("E554: Syntax error in %s{...}"), | |
3408 reg_magic == MAGIC_ALL ? "" : "\\"); | |
3409 EMSG_RET_FAIL(IObuff); | |
3410 } | |
3411 | |
3412 /* | |
3413 * Reverse the range if there was a '-', or make sure it is in the right | |
3414 * order otherwise. | |
3415 */ | |
3416 if ((!reverse && *minval > *maxval) || (reverse && *minval < *maxval)) | |
3417 { | |
3418 tmp = *minval; | |
3419 *minval = *maxval; | |
3420 *maxval = tmp; | |
3421 } | |
3422 skipchr(); /* let's be friends with the lexer again */ | |
3423 return OK; | |
3424 } | |
3425 | |
3426 /* | |
3427 * vim_regexec and friends | |
3428 */ | |
3429 | |
3430 /* | |
3431 * Global work variables for vim_regexec(). | |
3432 */ | |
3433 | |
3434 /* The current match-position is remembered with these variables: */ | |
3435 static linenr_T reglnum; /* line number, relative to first line */ | |
3436 static char_u *regline; /* start of current line */ | |
3437 static char_u *reginput; /* current input, points into "regline" */ | |
3438 | |
3439 static int need_clear_subexpr; /* subexpressions still need to be | |
3440 * cleared */ | |
3441 #ifdef FEAT_SYN_HL | |
3442 static int need_clear_zsubexpr = FALSE; /* extmatch subexpressions | |
3443 * still need to be cleared */ | |
3444 #endif | |
3445 | |
3446 /* | |
3447 * Structure used to save the current input state, when it needs to be | |
3448 * restored after trying a match. Used by reg_save() and reg_restore(). | |
233 | 3449 * Also stores the length of "backpos". |
7 | 3450 */ |
3451 typedef struct | |
3452 { | |
3453 union | |
3454 { | |
3455 char_u *ptr; /* reginput pointer, for single-line regexp */ | |
3456 lpos_T pos; /* reginput pos, for multi-line regexp */ | |
3457 } rs_u; | |
233 | 3458 int rs_len; |
7 | 3459 } regsave_T; |
3460 | |
3461 /* struct to save start/end pointer/position in for \(\) */ | |
3462 typedef struct | |
3463 { | |
3464 union | |
3465 { | |
3466 char_u *ptr; | |
3467 lpos_T pos; | |
3468 } se_u; | |
3469 } save_se_T; | |
3470 | |
1579 | 3471 /* used for BEHIND and NOBEHIND matching */ |
3472 typedef struct regbehind_S | |
3473 { | |
3474 regsave_T save_after; | |
3475 regsave_T save_behind; | |
1602 | 3476 int save_need_clear_subexpr; |
1579 | 3477 save_se_T save_start[NSUBEXP]; |
3478 save_se_T save_end[NSUBEXP]; | |
3479 } regbehind_T; | |
3480 | |
7805
0b6c37dd858d
commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077
Christian Brabandt <cb@256bit.org>
parents:
7009
diff
changeset
|
3481 static char_u *reg_getline(linenr_T lnum); |
0b6c37dd858d
commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077
Christian Brabandt <cb@256bit.org>
parents:
7009
diff
changeset
|
3482 static long bt_regexec_both(char_u *line, colnr_T col, proftime_T *tm); |
0b6c37dd858d
commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077
Christian Brabandt <cb@256bit.org>
parents:
7009
diff
changeset
|
3483 static long regtry(bt_regprog_T *prog, colnr_T col); |
0b6c37dd858d
commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077
Christian Brabandt <cb@256bit.org>
parents:
7009
diff
changeset
|
3484 static void cleanup_subexpr(void); |
7 | 3485 #ifdef FEAT_SYN_HL |
7805
0b6c37dd858d
commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077
Christian Brabandt <cb@256bit.org>
parents:
7009
diff
changeset
|
3486 static void cleanup_zsubexpr(void); |
0b6c37dd858d
commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077
Christian Brabandt <cb@256bit.org>
parents:
7009
diff
changeset
|
3487 #endif |
0b6c37dd858d
commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077
Christian Brabandt <cb@256bit.org>
parents:
7009
diff
changeset
|
3488 static void save_subexpr(regbehind_T *bp); |
0b6c37dd858d
commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077
Christian Brabandt <cb@256bit.org>
parents:
7009
diff
changeset
|
3489 static void restore_subexpr(regbehind_T *bp); |
0b6c37dd858d
commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077
Christian Brabandt <cb@256bit.org>
parents:
7009
diff
changeset
|
3490 static void reg_nextline(void); |
0b6c37dd858d
commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077
Christian Brabandt <cb@256bit.org>
parents:
7009
diff
changeset
|
3491 static void reg_save(regsave_T *save, garray_T *gap); |
0b6c37dd858d
commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077
Christian Brabandt <cb@256bit.org>
parents:
7009
diff
changeset
|
3492 static void reg_restore(regsave_T *save, garray_T *gap); |
0b6c37dd858d
commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077
Christian Brabandt <cb@256bit.org>
parents:
7009
diff
changeset
|
3493 static int reg_save_equal(regsave_T *save); |
0b6c37dd858d
commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077
Christian Brabandt <cb@256bit.org>
parents:
7009
diff
changeset
|
3494 static void save_se_multi(save_se_T *savep, lpos_T *posp); |
0b6c37dd858d
commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077
Christian Brabandt <cb@256bit.org>
parents:
7009
diff
changeset
|
3495 static void save_se_one(save_se_T *savep, char_u **pp); |
7 | 3496 |
3497 /* Save the sub-expressions before attempting a match. */ | |
3498 #define save_se(savep, posp, pp) \ | |
3499 REG_MULTI ? save_se_multi((savep), (posp)) : save_se_one((savep), (pp)) | |
3500 | |
3501 /* After a failed match restore the sub-expressions. */ | |
3502 #define restore_se(savep, posp, pp) { \ | |
3503 if (REG_MULTI) \ | |
3504 *(posp) = (savep)->se_u.pos; \ | |
3505 else \ | |
3506 *(pp) = (savep)->se_u.ptr; } | |
3507 | |
7805
0b6c37dd858d
commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077
Christian Brabandt <cb@256bit.org>
parents:
7009
diff
changeset
|
3508 static int re_num_cmp(long_u val, char_u *scan); |
0b6c37dd858d
commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077
Christian Brabandt <cb@256bit.org>
parents:
7009
diff
changeset
|
3509 static int match_with_backref(linenr_T start_lnum, colnr_T start_col, linenr_T end_lnum, colnr_T end_col, int *bytelen); |
0b6c37dd858d
commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077
Christian Brabandt <cb@256bit.org>
parents:
7009
diff
changeset
|
3510 static int regmatch(char_u *prog); |
0b6c37dd858d
commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077
Christian Brabandt <cb@256bit.org>
parents:
7009
diff
changeset
|
3511 static int regrepeat(char_u *p, long maxcount); |
7 | 3512 |
3513 #ifdef DEBUG | |
3514 int regnarrate = 0; | |
3515 #endif | |
3516 | |
3517 /* | |
3518 * Sometimes need to save a copy of a line. Since alloc()/free() is very | |
3519 * slow, we keep one allocated piece of memory and only re-allocate it when | |
4444 | 3520 * it's too small. It's freed in bt_regexec_both() when finished. |
7 | 3521 */ |
1468 | 3522 static char_u *reg_tofree = NULL; |
7 | 3523 static unsigned reg_tofreelen; |
3524 | |
3525 /* | |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
3526 * Structure used to store the execution state of the regex engine. |
1209 | 3527 * Which ones are set depends on whether a single-line or multi-line match is |
7 | 3528 * done: |
3529 * single-line multi-line | |
3530 * reg_match ®match_T NULL | |
3531 * reg_mmatch NULL ®mmatch_T | |
3532 * reg_startp reg_match->startp <invalid> | |
3533 * reg_endp reg_match->endp <invalid> | |
3534 * reg_startpos <invalid> reg_mmatch->startpos | |
3535 * reg_endpos <invalid> reg_mmatch->endpos | |
3536 * reg_win NULL window in which to search | |
4061 | 3537 * reg_buf curbuf buffer in which to search |
7 | 3538 * reg_firstlnum <invalid> first line in which to search |
3539 * reg_maxline 0 last line nr | |
3540 * reg_line_lbr FALSE or TRUE FALSE | |
3541 */ | |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
3542 typedef struct { |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
3543 regmatch_T *reg_match; |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
3544 regmmatch_T *reg_mmatch; |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
3545 char_u **reg_startp; |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
3546 char_u **reg_endp; |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
3547 lpos_T *reg_startpos; |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
3548 lpos_T *reg_endpos; |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
3549 win_T *reg_win; |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
3550 buf_T *reg_buf; |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
3551 linenr_T reg_firstlnum; |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
3552 linenr_T reg_maxline; |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
3553 int reg_line_lbr; /* "\n" in string is line break */ |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
3554 |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
3555 /* Internal copy of 'ignorecase'. It is set at each call to vim_regexec(). |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
3556 * Normally it gets the value of "rm_ic" or "rmm_ic", but when the pattern |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
3557 * contains '\c' or '\C' the value is overruled. */ |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
3558 int reg_ic; |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
3559 |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
3560 #ifdef FEAT_MBYTE |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
3561 /* Similar to rex.reg_ic, but only for 'combining' characters. Set with \Z |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
3562 * flag in the regexp. Defaults to false, always. */ |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
3563 int reg_icombine; |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
3564 #endif |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
3565 |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
3566 /* Copy of "rmm_maxcol": maximum column to search for a match. Zero when |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
3567 * there is no maximum. */ |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
3568 colnr_T reg_maxcol; |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
3569 } regexec_T; |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
3570 |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
3571 static regexec_T rex; |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
3572 static int rex_in_use = FALSE; |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
3573 |
7 | 3574 |
270 | 3575 /* Values for rs_state in regitem_T. */ |
3576 typedef enum regstate_E | |
3577 { | |
3578 RS_NOPEN = 0 /* NOPEN and NCLOSE */ | |
3579 , RS_MOPEN /* MOPEN + [0-9] */ | |
3580 , RS_MCLOSE /* MCLOSE + [0-9] */ | |
3581 #ifdef FEAT_SYN_HL | |
3582 , RS_ZOPEN /* ZOPEN + [0-9] */ | |
3583 , RS_ZCLOSE /* ZCLOSE + [0-9] */ | |
3584 #endif | |
3585 , RS_BRANCH /* BRANCH */ | |
3586 , RS_BRCPLX_MORE /* BRACE_COMPLEX and trying one more match */ | |
3587 , RS_BRCPLX_LONG /* BRACE_COMPLEX and trying longest match */ | |
3588 , RS_BRCPLX_SHORT /* BRACE_COMPLEX and trying shortest match */ | |
3589 , RS_NOMATCH /* NOMATCH */ | |
3590 , RS_BEHIND1 /* BEHIND / NOBEHIND matching rest */ | |
3591 , RS_BEHIND2 /* BEHIND / NOBEHIND matching behind part */ | |
3592 , RS_STAR_LONG /* STAR/PLUS/BRACE_SIMPLE longest match */ | |
3593 , RS_STAR_SHORT /* STAR/PLUS/BRACE_SIMPLE shortest match */ | |
3594 } regstate_T; | |
3595 | |
3596 /* | |
3597 * When there are alternatives a regstate_T is put on the regstack to remember | |
3598 * what we are doing. | |
3599 * Before it may be another type of item, depending on rs_state, to remember | |
3600 * more things. | |
3601 */ | |
3602 typedef struct regitem_S | |
3603 { | |
3604 regstate_T rs_state; /* what we are doing, one of RS_ above */ | |
3605 char_u *rs_scan; /* current node in program */ | |
3606 union | |
3607 { | |
3608 save_se_T sesave; | |
3609 regsave_T regsave; | |
3610 } rs_un; /* room for saving reginput */ | |
1579 | 3611 short rs_no; /* submatch nr or BEHIND/NOBEHIND */ |
270 | 3612 } regitem_T; |
3613 | |
7805
0b6c37dd858d
commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077
Christian Brabandt <cb@256bit.org>
parents:
7009
diff
changeset
|
3614 static regitem_T *regstack_push(regstate_T state, char_u *scan); |
0b6c37dd858d
commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077
Christian Brabandt <cb@256bit.org>
parents:
7009
diff
changeset
|
3615 static void regstack_pop(char_u **scan); |
270 | 3616 |
3617 /* used for STAR, PLUS and BRACE_SIMPLE matching */ | |
3618 typedef struct regstar_S | |
3619 { | |
3620 int nextb; /* next byte */ | |
3621 int nextb_ic; /* next byte reverse case */ | |
3622 long count; | |
3623 long minval; | |
3624 long maxval; | |
3625 } regstar_T; | |
3626 | |
3627 /* used to store input position when a BACK was encountered, so that we now if | |
3628 * we made any progress since the last time. */ | |
3629 typedef struct backpos_S | |
3630 { | |
3631 char_u *bp_scan; /* "scan" where BACK was encountered */ | |
3632 regsave_T bp_pos; /* last input position */ | |
3633 } backpos_T; | |
3634 | |
3635 /* | |
1520 | 3636 * "regstack" and "backpos" are used by regmatch(). They are kept over calls |
3637 * to avoid invoking malloc() and free() often. | |
3638 * "regstack" is a stack with regitem_T items, sometimes preceded by regstar_T | |
3639 * or regbehind_T. | |
3640 * "backpos_T" is a table with backpos_T for BACK | |
270 | 3641 */ |
1520 | 3642 static garray_T regstack = {0, 0, 0, 0, NULL}; |
3643 static garray_T backpos = {0, 0, 0, 0, NULL}; | |
3644 | |
3645 /* | |
3646 * Both for regstack and backpos tables we use the following strategy of | |
3647 * allocation (to reduce malloc/free calls): | |
3648 * - Initial size is fairly small. | |
3649 * - When needed, the tables are grown bigger (8 times at first, double after | |
3650 * that). | |
3651 * - After executing the match we free the memory only if the array has grown. | |
3652 * Thus the memory is kept allocated when it's at the initial size. | |
3653 * This makes it fast while not keeping a lot of memory allocated. | |
3654 * A three times speed increase was observed when using many simple patterns. | |
3655 */ | |
3656 #define REGSTACK_INITIAL 2048 | |
3657 #define BACKPOS_INITIAL 64 | |
3658 | |
3659 #if defined(EXITFREE) || defined(PROTO) | |
3660 void | |
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
3661 free_regexp_stuff(void) |
1520 | 3662 { |
3663 ga_clear(®stack); | |
3664 ga_clear(&backpos); | |
3665 vim_free(reg_tofree); | |
3666 vim_free(reg_prev_sub); | |
3667 } | |
3668 #endif | |
270 | 3669 |
7 | 3670 /* |
3671 * Get pointer to the line "lnum", which is relative to "reg_firstlnum". | |
3672 */ | |
3673 static char_u * | |
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
3674 reg_getline(linenr_T lnum) |
7 | 3675 { |
3676 /* when looking behind for a match/no-match lnum is negative. But we | |
3677 * 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
|
3678 if (rex.reg_firstlnum + lnum < 1) |
7 | 3679 return NULL; |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
3680 if (lnum > rex.reg_maxline) |
481 | 3681 /* Must have matched the "\n" in the last line. */ |
3682 return (char_u *)""; | |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
3683 return ml_get_buf(rex.reg_buf, rex.reg_firstlnum + lnum, FALSE); |
7 | 3684 } |
3685 | |
3686 static regsave_T behind_pos; | |
3687 | |
3688 #ifdef FEAT_SYN_HL | |
3689 static char_u *reg_startzp[NSUBEXP]; /* Workspace to mark beginning */ | |
3690 static char_u *reg_endzp[NSUBEXP]; /* and end of \z(...\) matches */ | |
3691 static lpos_T reg_startzpos[NSUBEXP]; /* idem, beginning pos */ | |
3692 static lpos_T reg_endzpos[NSUBEXP]; /* idem, end pos */ | |
3693 #endif | |
3694 | |
3695 /* 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
|
3696 #define REG_MULTI (rex.reg_match == NULL) |
4444 | 3697 |
7 | 3698 /* |
3699 * Match a regexp against a string. | |
3700 * "rmp->regprog" is a compiled regexp as returned by vim_regcomp(). | |
3701 * Uses curbuf for line count and 'iskeyword'. | |
5838 | 3702 * if "line_lbr" is TRUE consider a "\n" in "line" to be a line break. |
7 | 3703 * |
6390 | 3704 * Returns 0 for failure, number of lines contained in the match otherwise. |
7 | 3705 */ |
4444 | 3706 static int |
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
3707 bt_regexec_nl( |
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
3708 regmatch_T *rmp, |
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
3709 char_u *line, /* string to match against */ |
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
3710 colnr_T col, /* column to start looking for match */ |
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
3711 int line_lbr) |
7 | 3712 { |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
3713 rex.reg_match = rmp; |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
3714 rex.reg_mmatch = NULL; |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
3715 rex.reg_maxline = 0; |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
3716 rex.reg_line_lbr = line_lbr; |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
3717 rex.reg_buf = curbuf; |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
3718 rex.reg_win = NULL; |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
3719 rex.reg_ic = rmp->rm_ic; |
7 | 3720 #ifdef FEAT_MBYTE |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
3721 rex.reg_icombine = FALSE; |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
3722 #endif |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
3723 rex.reg_maxcol = 0; |
6390 | 3724 |
3725 return bt_regexec_both(line, col, NULL); | |
7 | 3726 } |
3727 | |
3728 /* | |
3729 * Match a regexp against multiple lines. | |
3730 * "rmp->regprog" is a compiled regexp as returned by vim_regcomp(). | |
3731 * Uses curbuf for line count and 'iskeyword'. | |
3732 * | |
3733 * Return zero if there is no match. Return number of lines contained in the | |
3734 * match otherwise. | |
3735 */ | |
4444 | 3736 static long |
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
3737 bt_regexec_multi( |
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
3738 regmmatch_T *rmp, |
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
3739 win_T *win, /* window in which to search or NULL */ |
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
3740 buf_T *buf, /* buffer in which to search */ |
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
3741 linenr_T lnum, /* nr of line to start looking for match */ |
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
3742 colnr_T col, /* column to start looking for match */ |
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
3743 proftime_T *tm) /* timeout limit or NULL */ |
7 | 3744 { |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
3745 rex.reg_match = NULL; |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
3746 rex.reg_mmatch = rmp; |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
3747 rex.reg_buf = buf; |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
3748 rex.reg_win = win; |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
3749 rex.reg_firstlnum = lnum; |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
3750 rex.reg_maxline = rex.reg_buf->b_ml.ml_line_count - lnum; |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
3751 rex.reg_line_lbr = FALSE; |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
3752 rex.reg_ic = rmp->rmm_ic; |
7 | 3753 #ifdef FEAT_MBYTE |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
3754 rex.reg_icombine = FALSE; |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
3755 #endif |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
3756 rex.reg_maxcol = rmp->rmm_maxcol; |
7 | 3757 |
6390 | 3758 return bt_regexec_both(NULL, col, tm); |
7 | 3759 } |
3760 | |
3761 /* | |
3762 * Match a regexp against a string ("line" points to the string) or multiple | |
3763 * lines ("line" is NULL, use reg_getline()). | |
6390 | 3764 * Returns 0 for failure, number of lines contained in the match otherwise. |
7 | 3765 */ |
3766 static long | |
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
3767 bt_regexec_both( |
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
3768 char_u *line, |
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
3769 colnr_T col, /* column to start looking for match */ |
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
3770 proftime_T *tm UNUSED) /* timeout limit or NULL */ |
7 | 3771 { |
6390 | 3772 bt_regprog_T *prog; |
3773 char_u *s; | |
3774 long retval = 0L; | |
7 | 3775 |
1520 | 3776 /* Create "regstack" and "backpos" if they are not allocated yet. |
3777 * We allocate *_INITIAL amount of bytes first and then set the grow size | |
3778 * to much bigger value to avoid many malloc calls in case of deep regular | |
3779 * expressions. */ | |
3780 if (regstack.ga_data == NULL) | |
3781 { | |
3782 /* Use an item size of 1 byte, since we push different things | |
3783 * onto the regstack. */ | |
3784 ga_init2(®stack, 1, REGSTACK_INITIAL); | |
7009 | 3785 (void)ga_grow(®stack, REGSTACK_INITIAL); |
1520 | 3786 regstack.ga_growsize = REGSTACK_INITIAL * 8; |
3787 } | |
3788 | |
3789 if (backpos.ga_data == NULL) | |
3790 { | |
3791 ga_init2(&backpos, sizeof(backpos_T), BACKPOS_INITIAL); | |
7009 | 3792 (void)ga_grow(&backpos, BACKPOS_INITIAL); |
1520 | 3793 backpos.ga_growsize = BACKPOS_INITIAL * 8; |
3794 } | |
270 | 3795 |
7 | 3796 if (REG_MULTI) |
3797 { | |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
3798 prog = (bt_regprog_T *)rex.reg_mmatch->regprog; |
7 | 3799 line = reg_getline((linenr_T)0); |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
3800 rex.reg_startpos = rex.reg_mmatch->startpos; |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
3801 rex.reg_endpos = rex.reg_mmatch->endpos; |
7 | 3802 } |
3803 else | |
3804 { | |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
3805 prog = (bt_regprog_T *)rex.reg_match->regprog; |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
3806 rex.reg_startp = rex.reg_match->startp; |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
3807 rex.reg_endp = rex.reg_match->endp; |
7 | 3808 } |
3809 | |
3810 /* Be paranoid... */ | |
3811 if (prog == NULL || line == NULL) | |
3812 { | |
3813 EMSG(_(e_null)); | |
3814 goto theend; | |
3815 } | |
3816 | |
3817 /* Check validity of program. */ | |
3818 if (prog_magic_wrong()) | |
3819 goto theend; | |
3820 | |
410 | 3821 /* If the start column is past the maximum column: no need to try. */ |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
3822 if (rex.reg_maxcol > 0 && col >= rex.reg_maxcol) |
410 | 3823 goto theend; |
3824 | |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
3825 /* If pattern contains "\c" or "\C": overrule value of rex.reg_ic */ |
7 | 3826 if (prog->regflags & RF_ICASE) |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
3827 rex.reg_ic = TRUE; |
7 | 3828 else if (prog->regflags & RF_NOICASE) |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
3829 rex.reg_ic = FALSE; |
7 | 3830 |
3831 #ifdef FEAT_MBYTE | |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
3832 /* If pattern contains "\Z" overrule value of rex.reg_icombine */ |
7 | 3833 if (prog->regflags & RF_ICOMBINE) |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
3834 rex.reg_icombine = TRUE; |
7 | 3835 #endif |
3836 | |
3837 /* If there is a "must appear" string, look for it. */ | |
3838 if (prog->regmust != NULL) | |
3839 { | |
3840 int c; | |
3841 | |
3842 #ifdef FEAT_MBYTE | |
3843 if (has_mbyte) | |
3844 c = (*mb_ptr2char)(prog->regmust); | |
3845 else | |
3846 #endif | |
3847 c = *prog->regmust; | |
3848 s = line + col; | |
170 | 3849 |
3850 /* | |
3851 * This is used very often, esp. for ":global". Use three versions of | |
3852 * the loop to avoid overhead of conditions. | |
3853 */ | |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
3854 if (!rex.reg_ic |
170 | 3855 #ifdef FEAT_MBYTE |
3856 && !has_mbyte | |
3857 #endif | |
3858 ) | |
3859 while ((s = vim_strbyte(s, c)) != NULL) | |
3860 { | |
3861 if (cstrncmp(s, prog->regmust, &prog->regmlen) == 0) | |
3862 break; /* Found it. */ | |
3863 ++s; | |
3864 } | |
3865 #ifdef FEAT_MBYTE | |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
3866 else if (!rex.reg_ic || (!enc_utf8 && mb_char2len(c) > 1)) |
170 | 3867 while ((s = vim_strchr(s, c)) != NULL) |
3868 { | |
3869 if (cstrncmp(s, prog->regmust, &prog->regmlen) == 0) | |
3870 break; /* Found it. */ | |
11127
506f5d8b7d8b
patch 8.0.0451: some macros are in lower case
Christian Brabandt <cb@256bit.org>
parents:
11121
diff
changeset
|
3871 MB_PTR_ADV(s); |
170 | 3872 } |
3873 #endif | |
3874 else | |
3875 while ((s = cstrchr(s, c)) != NULL) | |
3876 { | |
3877 if (cstrncmp(s, prog->regmust, &prog->regmlen) == 0) | |
3878 break; /* Found it. */ | |
11127
506f5d8b7d8b
patch 8.0.0451: some macros are in lower case
Christian Brabandt <cb@256bit.org>
parents:
11121
diff
changeset
|
3879 MB_PTR_ADV(s); |
170 | 3880 } |
7 | 3881 if (s == NULL) /* Not present. */ |
3882 goto theend; | |
3883 } | |
3884 | |
3885 regline = line; | |
3886 reglnum = 0; | |
2578 | 3887 reg_toolong = FALSE; |
7 | 3888 |
3889 /* Simplest case: Anchored match need be tried only once. */ | |
3890 if (prog->reganch) | |
3891 { | |
3892 int c; | |
3893 | |
3894 #ifdef FEAT_MBYTE | |
3895 if (has_mbyte) | |
3896 c = (*mb_ptr2char)(regline + col); | |
3897 else | |
3898 #endif | |
3899 c = regline[col]; | |
3900 if (prog->regstart == NUL | |
3901 || prog->regstart == c | |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
3902 || (rex.reg_ic && (( |
7 | 3903 #ifdef FEAT_MBYTE |
3904 (enc_utf8 && utf_fold(prog->regstart) == utf_fold(c))) | |
3905 || (c < 255 && prog->regstart < 255 && | |
3906 #endif | |
1347 | 3907 MB_TOLOWER(prog->regstart) == MB_TOLOWER(c))))) |
7 | 3908 retval = regtry(prog, col); |
3909 else | |
3910 retval = 0; | |
3911 } | |
3912 else | |
3913 { | |
1521 | 3914 #ifdef FEAT_RELTIME |
3915 int tm_count = 0; | |
3916 #endif | |
7 | 3917 /* Messy cases: unanchored match. */ |
180 | 3918 while (!got_int) |
7 | 3919 { |
3920 if (prog->regstart != NUL) | |
3921 { | |
170 | 3922 /* Skip until the char we know it must start with. |
3923 * Used often, do some work to avoid call overhead. */ | |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
3924 if (!rex.reg_ic |
170 | 3925 #ifdef FEAT_MBYTE |
3926 && !has_mbyte | |
3927 #endif | |
3928 ) | |
3929 s = vim_strbyte(regline + col, prog->regstart); | |
3930 else | |
3931 s = cstrchr(regline + col, prog->regstart); | |
7 | 3932 if (s == NULL) |
3933 { | |
3934 retval = 0; | |
3935 break; | |
3936 } | |
3937 col = (int)(s - regline); | |
3938 } | |
3939 | |
410 | 3940 /* Check for maximum column to try. */ |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
3941 if (rex.reg_maxcol > 0 && col >= rex.reg_maxcol) |
410 | 3942 { |
3943 retval = 0; | |
3944 break; | |
3945 } | |
3946 | |
7 | 3947 retval = regtry(prog, col); |
3948 if (retval > 0) | |
3949 break; | |
3950 | |
3951 /* if not currently on the first line, get it again */ | |
3952 if (reglnum != 0) | |
3953 { | |
481 | 3954 reglnum = 0; |
7 | 3955 regline = reg_getline((linenr_T)0); |
3956 } | |
3957 if (regline[col] == NUL) | |
3958 break; | |
3959 #ifdef FEAT_MBYTE | |
3960 if (has_mbyte) | |
474 | 3961 col += (*mb_ptr2len)(regline + col); |
7 | 3962 else |
3963 #endif | |
3964 ++col; | |
1521 | 3965 #ifdef FEAT_RELTIME |
3966 /* Check for timeout once in a twenty times to avoid overhead. */ | |
3967 if (tm != NULL && ++tm_count == 20) | |
3968 { | |
3969 tm_count = 0; | |
3970 if (profile_passed_limit(tm)) | |
3971 break; | |
3972 } | |
3973 #endif | |
7 | 3974 } |
3975 } | |
3976 | |
3977 theend: | |
1520 | 3978 /* Free "reg_tofree" when it's a bit big. |
3979 * Free regstack and backpos if they are bigger than their initial size. */ | |
3980 if (reg_tofreelen > 400) | |
3981 { | |
3982 vim_free(reg_tofree); | |
3983 reg_tofree = NULL; | |
3984 } | |
3985 if (regstack.ga_maxlen > REGSTACK_INITIAL) | |
3986 ga_clear(®stack); | |
3987 if (backpos.ga_maxlen > BACKPOS_INITIAL) | |
3988 ga_clear(&backpos); | |
270 | 3989 |
7 | 3990 return retval; |
3991 } | |
3992 | |
3993 #ifdef FEAT_SYN_HL | |
7805
0b6c37dd858d
commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077
Christian Brabandt <cb@256bit.org>
parents:
7009
diff
changeset
|
3994 static reg_extmatch_T *make_extmatch(void); |
7 | 3995 |
3996 /* | |
3997 * Create a new extmatch and mark it as referenced once. | |
3998 */ | |
3999 static reg_extmatch_T * | |
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
4000 make_extmatch(void) |
7 | 4001 { |
4002 reg_extmatch_T *em; | |
4003 | |
4004 em = (reg_extmatch_T *)alloc_clear((unsigned)sizeof(reg_extmatch_T)); | |
4005 if (em != NULL) | |
4006 em->refcnt = 1; | |
4007 return em; | |
4008 } | |
4009 | |
4010 /* | |
4011 * Add a reference to an extmatch. | |
4012 */ | |
4013 reg_extmatch_T * | |
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
4014 ref_extmatch(reg_extmatch_T *em) |
7 | 4015 { |
4016 if (em != NULL) | |
4017 em->refcnt++; | |
4018 return em; | |
4019 } | |
4020 | |
4021 /* | |
4022 * Remove a reference to an extmatch. If there are no references left, free | |
4023 * the info. | |
4024 */ | |
4025 void | |
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
4026 unref_extmatch(reg_extmatch_T *em) |
7 | 4027 { |
4028 int i; | |
4029 | |
4030 if (em != NULL && --em->refcnt <= 0) | |
4031 { | |
4032 for (i = 0; i < NSUBEXP; ++i) | |
4033 vim_free(em->matches[i]); | |
4034 vim_free(em); | |
4035 } | |
4036 } | |
4037 #endif | |
4038 | |
4039 /* | |
4040 * regtry - try match of "prog" with at regline["col"]. | |
4041 * Returns 0 for failure, number of lines contained in the match otherwise. | |
4042 */ | |
4043 static long | |
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
4044 regtry(bt_regprog_T *prog, colnr_T col) |
7 | 4045 { |
4046 reginput = regline + col; | |
4047 need_clear_subexpr = TRUE; | |
4048 #ifdef FEAT_SYN_HL | |
4049 /* Clear the external match subpointers if necessary. */ | |
4050 if (prog->reghasz == REX_SET) | |
4051 need_clear_zsubexpr = TRUE; | |
4052 #endif | |
4053 | |
189 | 4054 if (regmatch(prog->program + 1) == 0) |
4055 return 0; | |
4056 | |
4057 cleanup_subexpr(); | |
4058 if (REG_MULTI) | |
7 | 4059 { |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
4060 if (rex.reg_startpos[0].lnum < 0) |
7 | 4061 { |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
4062 rex.reg_startpos[0].lnum = 0; |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
4063 rex.reg_startpos[0].col = col; |
189 | 4064 } |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
4065 if (rex.reg_endpos[0].lnum < 0) |
189 | 4066 { |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
4067 rex.reg_endpos[0].lnum = reglnum; |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
4068 rex.reg_endpos[0].col = (int)(reginput - regline); |
7 | 4069 } |
4070 else | |
189 | 4071 /* Use line number of "\ze". */ |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
4072 reglnum = rex.reg_endpos[0].lnum; |
189 | 4073 } |
4074 else | |
4075 { | |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
4076 if (rex.reg_startp[0] == NULL) |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
4077 rex.reg_startp[0] = regline + col; |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
4078 if (rex.reg_endp[0] == NULL) |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
4079 rex.reg_endp[0] = reginput; |
189 | 4080 } |
7 | 4081 #ifdef FEAT_SYN_HL |
189 | 4082 /* Package any found \z(...\) matches for export. Default is none. */ |
4083 unref_extmatch(re_extmatch_out); | |
4084 re_extmatch_out = NULL; | |
4085 | |
4086 if (prog->reghasz == REX_SET) | |
4087 { | |
4088 int i; | |
4089 | |
4090 cleanup_zsubexpr(); | |
4091 re_extmatch_out = make_extmatch(); | |
4092 for (i = 0; i < NSUBEXP; i++) | |
7 | 4093 { |
189 | 4094 if (REG_MULTI) |
7 | 4095 { |
189 | 4096 /* Only accept single line matches. */ |
4097 if (reg_startzpos[i].lnum >= 0 | |
5820 | 4098 && reg_endzpos[i].lnum == reg_startzpos[i].lnum |
4099 && reg_endzpos[i].col >= reg_startzpos[i].col) | |
189 | 4100 re_extmatch_out->matches[i] = |
4101 vim_strnsave(reg_getline(reg_startzpos[i].lnum) | |
7 | 4102 + reg_startzpos[i].col, |
189 | 4103 reg_endzpos[i].col - reg_startzpos[i].col); |
4104 } | |
4105 else | |
4106 { | |
4107 if (reg_startzp[i] != NULL && reg_endzp[i] != NULL) | |
4108 re_extmatch_out->matches[i] = | |
7 | 4109 vim_strnsave(reg_startzp[i], |
189 | 4110 (int)(reg_endzp[i] - reg_startzp[i])); |
7 | 4111 } |
4112 } | |
189 | 4113 } |
7 | 4114 #endif |
189 | 4115 return 1 + reglnum; |
7 | 4116 } |
4117 | |
4118 #ifdef FEAT_MBYTE | |
7805
0b6c37dd858d
commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077
Christian Brabandt <cb@256bit.org>
parents:
7009
diff
changeset
|
4119 static int reg_prev_class(void); |
7 | 4120 |
4121 /* | |
4122 * Get class of previous character. | |
4123 */ | |
4124 static int | |
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
4125 reg_prev_class(void) |
7 | 4126 { |
4127 if (reginput > regline) | |
4069 | 4128 return mb_get_class_buf(reginput - 1 |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
4129 - (*mb_head_off)(regline, reginput - 1), rex.reg_buf); |
7 | 4130 return -1; |
4131 } | |
5735 | 4132 #endif |
4133 | |
7805
0b6c37dd858d
commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077
Christian Brabandt <cb@256bit.org>
parents:
7009
diff
changeset
|
4134 static int reg_match_visual(void); |
4730
749e2b2755d5
updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4135 |
749e2b2755d5
updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4136 /* |
749e2b2755d5
updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4137 * Return TRUE if the current reginput position matches the Visual area. |
749e2b2755d5
updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4138 */ |
749e2b2755d5
updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4139 static int |
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
4140 reg_match_visual(void) |
4730
749e2b2755d5
updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4141 { |
749e2b2755d5
updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4142 pos_T top, bot; |
749e2b2755d5
updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4143 linenr_T lnum; |
749e2b2755d5
updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4144 colnr_T col; |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
4145 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
|
4146 int mode; |
749e2b2755d5
updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4147 colnr_T start, end; |
749e2b2755d5
updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4148 colnr_T start2, end2; |
749e2b2755d5
updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4149 colnr_T cols; |
749e2b2755d5
updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4150 |
749e2b2755d5
updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4151 /* 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
|
4152 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
|
4153 return FALSE; |
749e2b2755d5
updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4154 |
749e2b2755d5
updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4155 if (VIsual_active) |
749e2b2755d5
updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4156 { |
11121
778c10516955
patch 8.0.0448: some macros are in lower case
Christian Brabandt <cb@256bit.org>
parents:
10359
diff
changeset
|
4157 if (LT_POS(VIsual, wp->w_cursor)) |
4730
749e2b2755d5
updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4158 { |
749e2b2755d5
updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4159 top = VIsual; |
749e2b2755d5
updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4160 bot = wp->w_cursor; |
749e2b2755d5
updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4161 } |
749e2b2755d5
updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4162 else |
749e2b2755d5
updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4163 { |
749e2b2755d5
updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4164 top = wp->w_cursor; |
749e2b2755d5
updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4165 bot = VIsual; |
749e2b2755d5
updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4166 } |
749e2b2755d5
updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4167 mode = VIsual_mode; |
749e2b2755d5
updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4168 } |
749e2b2755d5
updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4169 else |
749e2b2755d5
updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4170 { |
11121
778c10516955
patch 8.0.0448: some macros are in lower case
Christian Brabandt <cb@256bit.org>
parents:
10359
diff
changeset
|
4171 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
|
4172 { |
749e2b2755d5
updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4173 top = curbuf->b_visual.vi_start; |
749e2b2755d5
updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4174 bot = curbuf->b_visual.vi_end; |
749e2b2755d5
updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4175 } |
749e2b2755d5
updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4176 else |
749e2b2755d5
updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4177 { |
749e2b2755d5
updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4178 top = curbuf->b_visual.vi_end; |
749e2b2755d5
updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4179 bot = curbuf->b_visual.vi_start; |
749e2b2755d5
updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4180 } |
749e2b2755d5
updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4181 mode = curbuf->b_visual.vi_mode; |
749e2b2755d5
updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4182 } |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
4183 lnum = reglnum + rex.reg_firstlnum; |
4730
749e2b2755d5
updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4184 if (lnum < top.lnum || lnum > bot.lnum) |
749e2b2755d5
updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4185 return FALSE; |
749e2b2755d5
updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4186 |
749e2b2755d5
updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4187 if (mode == 'v') |
749e2b2755d5
updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4188 { |
749e2b2755d5
updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4189 col = (colnr_T)(reginput - regline); |
749e2b2755d5
updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4190 if ((lnum == top.lnum && col < top.col) |
749e2b2755d5
updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4191 || (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
|
4192 return FALSE; |
749e2b2755d5
updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4193 } |
749e2b2755d5
updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4194 else if (mode == Ctrl_V) |
749e2b2755d5
updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4195 { |
749e2b2755d5
updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4196 getvvcol(wp, &top, &start, NULL, &end); |
749e2b2755d5
updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4197 getvvcol(wp, &bot, &start2, NULL, &end2); |
749e2b2755d5
updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4198 if (start2 < start) |
749e2b2755d5
updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4199 start = start2; |
749e2b2755d5
updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4200 if (end2 > end) |
749e2b2755d5
updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4201 end = end2; |
749e2b2755d5
updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4202 if (top.col == MAXCOL || bot.col == MAXCOL) |
749e2b2755d5
updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4203 end = MAXCOL; |
749e2b2755d5
updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4204 cols = win_linetabsize(wp, regline, (colnr_T)(reginput - regline)); |
749e2b2755d5
updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4205 if (cols < start || cols > end - (*p_sel == 'e')) |
749e2b2755d5
updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4206 return FALSE; |
749e2b2755d5
updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4207 } |
749e2b2755d5
updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4208 return TRUE; |
749e2b2755d5
updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4209 } |
749e2b2755d5
updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4210 |
11127
506f5d8b7d8b
patch 8.0.0451: some macros are in lower case
Christian Brabandt <cb@256bit.org>
parents:
11121
diff
changeset
|
4211 #define ADVANCE_REGINPUT() MB_PTR_ADV(reginput) |
7 | 4212 |
4213 /* | |
4214 * The arguments from BRACE_LIMITS are stored here. They are actually local | |
4215 * to regmatch(), but they are here to reduce the amount of stack space used | |
4216 * (it can be called recursively many times). | |
4217 */ | |
4218 static long bl_minval; | |
4219 static long bl_maxval; | |
4220 | |
4221 /* | |
4222 * regmatch - main matching routine | |
4223 * | |
180 | 4224 * Conceptually the strategy is simple: Check to see whether the current node |
4225 * matches, push an item onto the regstack and loop to see whether the rest | |
4226 * matches, and then act accordingly. In practice we make some effort to | |
4227 * avoid using the regstack, in particular by going through "ordinary" nodes | |
4228 * (that don't need to know whether the rest of the match failed) by a nested | |
4229 * loop. | |
7 | 4230 * |
4231 * Returns TRUE when there is a match. Leaves reginput and reglnum just after | |
4232 * the last matched character. | |
4233 * Returns FALSE when there is no match. Leaves reginput and reglnum in an | |
4234 * undefined state! | |
4235 */ | |
4236 static int | |
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
4237 regmatch( |
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
4238 char_u *scan) /* Current node. */ |
7 | 4239 { |
180 | 4240 char_u *next; /* Next node. */ |
4241 int op; | |
4242 int c; | |
4243 regitem_T *rp; | |
4244 int no; | |
4245 int status; /* one of the RA_ values: */ | |
4246 #define RA_FAIL 1 /* something failed, abort */ | |
4247 #define RA_CONT 2 /* continue in inner loop */ | |
4248 #define RA_BREAK 3 /* break inner loop */ | |
4249 #define RA_MATCH 4 /* successful match */ | |
4250 #define RA_NOMATCH 5 /* didn't match */ | |
270 | 4251 |
1520 | 4252 /* Make "regstack" and "backpos" empty. They are allocated and freed in |
4444 | 4253 * bt_regexec_both() to reduce malloc()/free() calls. */ |
270 | 4254 regstack.ga_len = 0; |
4255 backpos.ga_len = 0; | |
233 | 4256 |
180 | 4257 /* |
233 | 4258 * Repeat until "regstack" is empty. |
180 | 4259 */ |
4260 for (;;) | |
4261 { | |
5310 | 4262 /* Some patterns may take a long time to match, e.g., "\([a-z]\+\)\+Q". |
4263 * Allow interrupting them with CTRL-C. */ | |
7 | 4264 fast_breakcheck(); |
4265 | |
4266 #ifdef DEBUG | |
4267 if (scan != NULL && regnarrate) | |
4268 { | |
4444 | 4269 mch_errmsg((char *)regprop(scan)); |
7 | 4270 mch_errmsg("(\n"); |
4271 } | |
4272 #endif | |
180 | 4273 |
4274 /* | |
233 | 4275 * Repeat for items that can be matched sequentially, without using the |
180 | 4276 * regstack. |
4277 */ | |
4278 for (;;) | |
7 | 4279 { |
180 | 4280 if (got_int || scan == NULL) |
4281 { | |
4282 status = RA_FAIL; | |
4283 break; | |
4284 } | |
4285 status = RA_CONT; | |
4286 | |
7 | 4287 #ifdef DEBUG |
4288 if (regnarrate) | |
4289 { | |
4444 | 4290 mch_errmsg((char *)regprop(scan)); |
7 | 4291 mch_errmsg("...\n"); |
4292 # ifdef FEAT_SYN_HL | |
4293 if (re_extmatch_in != NULL) | |
4294 { | |
4295 int i; | |
4296 | |
4297 mch_errmsg(_("External submatches:\n")); | |
4298 for (i = 0; i < NSUBEXP; i++) | |
4299 { | |
4300 mch_errmsg(" \""); | |
4301 if (re_extmatch_in->matches[i] != NULL) | |
4444 | 4302 mch_errmsg((char *)re_extmatch_in->matches[i]); |
7 | 4303 mch_errmsg("\"\n"); |
4304 } | |
4305 } | |
4306 # endif | |
4307 } | |
4308 #endif | |
4309 next = regnext(scan); | |
4310 | |
4311 op = OP(scan); | |
4312 /* Check for character class with NL added. */ | |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
4313 if (!rex.reg_line_lbr && WITH_NL(op) && REG_MULTI |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
4314 && *reginput == NUL && reglnum <= rex.reg_maxline) |
7 | 4315 { |
4316 reg_nextline(); | |
4317 } | |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
4318 else if (rex.reg_line_lbr && WITH_NL(op) && *reginput == '\n') |
7 | 4319 { |
4320 ADVANCE_REGINPUT(); | |
4321 } | |
4322 else | |
4323 { | |
4324 if (WITH_NL(op)) | |
180 | 4325 op -= ADD_NL; |
7 | 4326 #ifdef FEAT_MBYTE |
4327 if (has_mbyte) | |
4328 c = (*mb_ptr2char)(reginput); | |
4329 else | |
4330 #endif | |
4331 c = *reginput; | |
4332 switch (op) | |
4333 { | |
4334 case BOL: | |
4335 if (reginput != regline) | |
180 | 4336 status = RA_NOMATCH; |
7 | 4337 break; |
4338 | |
4339 case EOL: | |
4340 if (c != NUL) | |
180 | 4341 status = RA_NOMATCH; |
7 | 4342 break; |
4343 | |
4344 case RE_BOF: | |
1458 | 4345 /* We're not at the beginning of the file when below the first |
4346 * line where we started, not at the start of the line or we | |
4347 * didn't start at the first line of the buffer. */ | |
7 | 4348 if (reglnum != 0 || reginput != regline |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
4349 || (REG_MULTI && rex.reg_firstlnum > 1)) |
180 | 4350 status = RA_NOMATCH; |
7 | 4351 break; |
4352 | |
4353 case RE_EOF: | |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
4354 if (reglnum != rex.reg_maxline || c != NUL) |
180 | 4355 status = RA_NOMATCH; |
7 | 4356 break; |
4357 | |
4358 case CURSOR: | |
4359 /* Check if the buffer is in a window and compare the | |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
4360 * rex.reg_win->w_cursor position to the match position. */ |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
4361 if (rex.reg_win == NULL |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
4362 || (reglnum + rex.reg_firstlnum |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
4363 != rex.reg_win->w_cursor.lnum) |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
4364 || ((colnr_T)(reginput - regline) |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
4365 != rex.reg_win->w_cursor.col)) |
180 | 4366 status = RA_NOMATCH; |
7 | 4367 break; |
4368 | |
639 | 4369 case RE_MARK: |
4732
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
4370 /* Compare the mark position to the match position. */ |
639 | 4371 { |
4372 int mark = OPERAND(scan)[0]; | |
4373 int cmp = OPERAND(scan)[1]; | |
4374 pos_T *pos; | |
4375 | |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
4376 pos = getmark_buf(rex.reg_buf, mark, FALSE); |
1148 | 4377 if (pos == NULL /* mark doesn't exist */ |
4732
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
4378 || pos->lnum <= 0 /* mark isn't set in reg_buf */ |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
4379 || (pos->lnum == reglnum + rex.reg_firstlnum |
639 | 4380 ? (pos->col == (colnr_T)(reginput - regline) |
4381 ? (cmp == '<' || cmp == '>') | |
4382 : (pos->col < (colnr_T)(reginput - regline) | |
4383 ? cmp != '>' | |
4384 : cmp != '<')) | |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
4385 : (pos->lnum < reglnum + rex.reg_firstlnum |
639 | 4386 ? cmp != '>' |
4387 : cmp != '<'))) | |
4388 status = RA_NOMATCH; | |
4389 } | |
4390 break; | |
4391 | |
4392 case RE_VISUAL: | |
4730
749e2b2755d5
updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4393 if (!reg_match_visual()) |
639 | 4394 status = RA_NOMATCH; |
4395 break; | |
4396 | |
7 | 4397 case RE_LNUM: |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
4398 if (!REG_MULTI || !re_num_cmp((long_u)(reglnum + rex.reg_firstlnum), |
7 | 4399 scan)) |
180 | 4400 status = RA_NOMATCH; |
7 | 4401 break; |
4402 | |
4403 case RE_COL: | |
4404 if (!re_num_cmp((long_u)(reginput - regline) + 1, scan)) | |
180 | 4405 status = RA_NOMATCH; |
7 | 4406 break; |
4407 | |
4408 case RE_VCOL: | |
4409 if (!re_num_cmp((long_u)win_linetabsize( | |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
4410 rex.reg_win == NULL ? curwin : rex.reg_win, |
7 | 4411 regline, (colnr_T)(reginput - regline)) + 1, scan)) |
180 | 4412 status = RA_NOMATCH; |
7 | 4413 break; |
4414 | |
4415 case BOW: /* \<word; reginput points to w */ | |
4416 if (c == NUL) /* Can't match at end of line */ | |
180 | 4417 status = RA_NOMATCH; |
7 | 4418 #ifdef FEAT_MBYTE |
180 | 4419 else if (has_mbyte) |
7 | 4420 { |
4421 int this_class; | |
4422 | |
4423 /* Get class of current and previous char (if it exists). */ | |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
4424 this_class = mb_get_class_buf(reginput, rex.reg_buf); |
7 | 4425 if (this_class <= 1) |
180 | 4426 status = RA_NOMATCH; /* not on a word at all */ |
4427 else if (reg_prev_class() == this_class) | |
4428 status = RA_NOMATCH; /* previous char is in same word */ | |
7 | 4429 } |
4430 #endif | |
4431 else | |
4432 { | |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
4433 if (!vim_iswordc_buf(c, rex.reg_buf) || (reginput > regline |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
4434 && vim_iswordc_buf(reginput[-1], rex.reg_buf))) |
180 | 4435 status = RA_NOMATCH; |
7 | 4436 } |
4437 break; | |
4438 | |
4439 case EOW: /* word\>; reginput points after d */ | |
4440 if (reginput == regline) /* Can't match at start of line */ | |
180 | 4441 status = RA_NOMATCH; |
7 | 4442 #ifdef FEAT_MBYTE |
180 | 4443 else if (has_mbyte) |
7 | 4444 { |
4445 int this_class, prev_class; | |
4446 | |
4447 /* Get class of current and previous char (if it exists). */ | |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
4448 this_class = mb_get_class_buf(reginput, rex.reg_buf); |
7 | 4449 prev_class = reg_prev_class(); |
180 | 4450 if (this_class == prev_class |
4451 || prev_class == 0 || prev_class == 1) | |
4452 status = RA_NOMATCH; | |
7 | 4453 } |
180 | 4454 #endif |
7 | 4455 else |
4456 { | |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
4457 if (!vim_iswordc_buf(reginput[-1], rex.reg_buf) |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
4458 || (reginput[0] != NUL |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
4459 && vim_iswordc_buf(c, rex.reg_buf))) |
180 | 4460 status = RA_NOMATCH; |
7 | 4461 } |
4462 break; /* Matched with EOW */ | |
4463 | |
4464 case ANY: | |
4084 | 4465 /* ANY does not match new lines. */ |
7 | 4466 if (c == NUL) |
180 | 4467 status = RA_NOMATCH; |
4468 else | |
4469 ADVANCE_REGINPUT(); | |
7 | 4470 break; |
4471 | |
4472 case IDENT: | |
4473 if (!vim_isIDc(c)) | |
180 | 4474 status = RA_NOMATCH; |
4475 else | |
4476 ADVANCE_REGINPUT(); | |
7 | 4477 break; |
4478 | |
4479 case SIDENT: | |
4480 if (VIM_ISDIGIT(*reginput) || !vim_isIDc(c)) | |
180 | 4481 status = RA_NOMATCH; |
4482 else | |
4483 ADVANCE_REGINPUT(); | |
7 | 4484 break; |
4485 | |
4486 case KWORD: | |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
4487 if (!vim_iswordp_buf(reginput, rex.reg_buf)) |
180 | 4488 status = RA_NOMATCH; |
4489 else | |
4490 ADVANCE_REGINPUT(); | |
7 | 4491 break; |
4492 | |
4493 case SKWORD: | |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
4494 if (VIM_ISDIGIT(*reginput) |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
4495 || !vim_iswordp_buf(reginput, rex.reg_buf)) |
180 | 4496 status = RA_NOMATCH; |
4497 else | |
4498 ADVANCE_REGINPUT(); | |
7 | 4499 break; |
4500 | |
4501 case FNAME: | |
4502 if (!vim_isfilec(c)) | |
180 | 4503 status = RA_NOMATCH; |
4504 else | |
4505 ADVANCE_REGINPUT(); | |
7 | 4506 break; |
4507 | |
4508 case SFNAME: | |
4509 if (VIM_ISDIGIT(*reginput) || !vim_isfilec(c)) | |
180 | 4510 status = RA_NOMATCH; |
4511 else | |
4512 ADVANCE_REGINPUT(); | |
7 | 4513 break; |
4514 | |
4515 case PRINT: | |
5221
9982ec574beb
updated for version 7.4a.036
Bram Moolenaar <bram@vim.org>
parents:
4901
diff
changeset
|
4516 if (!vim_isprintc(PTR2CHAR(reginput))) |
180 | 4517 status = RA_NOMATCH; |
4518 else | |
4519 ADVANCE_REGINPUT(); | |
7 | 4520 break; |
4521 | |
4522 case SPRINT: | |
5221
9982ec574beb
updated for version 7.4a.036
Bram Moolenaar <bram@vim.org>
parents:
4901
diff
changeset
|
4523 if (VIM_ISDIGIT(*reginput) || !vim_isprintc(PTR2CHAR(reginput))) |
180 | 4524 status = RA_NOMATCH; |
4525 else | |
4526 ADVANCE_REGINPUT(); | |
7 | 4527 break; |
4528 | |
4529 case WHITE: | |
11129
f4ea50924c6d
patch 8.0.0452: some macros are in lower case
Christian Brabandt <cb@256bit.org>
parents:
11127
diff
changeset
|
4530 if (!VIM_ISWHITE(c)) |
180 | 4531 status = RA_NOMATCH; |
4532 else | |
4533 ADVANCE_REGINPUT(); | |
7 | 4534 break; |
4535 | |
4536 case NWHITE: | |
11129
f4ea50924c6d
patch 8.0.0452: some macros are in lower case
Christian Brabandt <cb@256bit.org>
parents:
11127
diff
changeset
|
4537 if (c == NUL || VIM_ISWHITE(c)) |
180 | 4538 status = RA_NOMATCH; |
4539 else | |
4540 ADVANCE_REGINPUT(); | |
7 | 4541 break; |
4542 | |
4543 case DIGIT: | |
4544 if (!ri_digit(c)) | |
180 | 4545 status = RA_NOMATCH; |
4546 else | |
4547 ADVANCE_REGINPUT(); | |
7 | 4548 break; |
4549 | |
4550 case NDIGIT: | |
4551 if (c == NUL || ri_digit(c)) | |
180 | 4552 status = RA_NOMATCH; |
4553 else | |
4554 ADVANCE_REGINPUT(); | |
7 | 4555 break; |
4556 | |
4557 case HEX: | |
4558 if (!ri_hex(c)) | |
180 | 4559 status = RA_NOMATCH; |
4560 else | |
4561 ADVANCE_REGINPUT(); | |
7 | 4562 break; |
4563 | |
4564 case NHEX: | |
4565 if (c == NUL || ri_hex(c)) | |
180 | 4566 status = RA_NOMATCH; |
4567 else | |
4568 ADVANCE_REGINPUT(); | |
7 | 4569 break; |
4570 | |
4571 case OCTAL: | |
4572 if (!ri_octal(c)) | |
180 | 4573 status = RA_NOMATCH; |
4574 else | |
4575 ADVANCE_REGINPUT(); | |
7 | 4576 break; |
4577 | |
4578 case NOCTAL: | |
4579 if (c == NUL || ri_octal(c)) | |
180 | 4580 status = RA_NOMATCH; |
4581 else | |
4582 ADVANCE_REGINPUT(); | |
7 | 4583 break; |
4584 | |
4585 case WORD: | |
4586 if (!ri_word(c)) | |
180 | 4587 status = RA_NOMATCH; |
4588 else | |
4589 ADVANCE_REGINPUT(); | |
7 | 4590 break; |
4591 | |
4592 case NWORD: | |
4593 if (c == NUL || ri_word(c)) | |
180 | 4594 status = RA_NOMATCH; |
4595 else | |
4596 ADVANCE_REGINPUT(); | |
7 | 4597 break; |
4598 | |
4599 case HEAD: | |
4600 if (!ri_head(c)) | |
180 | 4601 status = RA_NOMATCH; |
4602 else | |
4603 ADVANCE_REGINPUT(); | |
7 | 4604 break; |
4605 | |
4606 case NHEAD: | |
4607 if (c == NUL || ri_head(c)) | |
180 | 4608 status = RA_NOMATCH; |
4609 else | |
4610 ADVANCE_REGINPUT(); | |
7 | 4611 break; |
4612 | |
4613 case ALPHA: | |
4614 if (!ri_alpha(c)) | |
180 | 4615 status = RA_NOMATCH; |
4616 else | |
4617 ADVANCE_REGINPUT(); | |
7 | 4618 break; |
4619 | |
4620 case NALPHA: | |
4621 if (c == NUL || ri_alpha(c)) | |
180 | 4622 status = RA_NOMATCH; |
4623 else | |
4624 ADVANCE_REGINPUT(); | |
7 | 4625 break; |
4626 | |
4627 case LOWER: | |
4628 if (!ri_lower(c)) | |
180 | 4629 status = RA_NOMATCH; |
4630 else | |
4631 ADVANCE_REGINPUT(); | |
7 | 4632 break; |
4633 | |
4634 case NLOWER: | |
4635 if (c == NUL || ri_lower(c)) | |
180 | 4636 status = RA_NOMATCH; |
4637 else | |
4638 ADVANCE_REGINPUT(); | |
7 | 4639 break; |
4640 | |
4641 case UPPER: | |
4642 if (!ri_upper(c)) | |
180 | 4643 status = RA_NOMATCH; |
4644 else | |
4645 ADVANCE_REGINPUT(); | |
7 | 4646 break; |
4647 | |
4648 case NUPPER: | |
4649 if (c == NUL || ri_upper(c)) | |
180 | 4650 status = RA_NOMATCH; |
4651 else | |
4652 ADVANCE_REGINPUT(); | |
7 | 4653 break; |
4654 | |
4655 case EXACTLY: | |
4656 { | |
4657 int len; | |
4658 char_u *opnd; | |
4659 | |
4660 opnd = OPERAND(scan); | |
4661 /* Inline the first byte, for speed. */ | |
4662 if (*opnd != *reginput | |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
4663 && (!rex.reg_ic || ( |
7 | 4664 #ifdef FEAT_MBYTE |
4665 !enc_utf8 && | |
4666 #endif | |
1347 | 4667 MB_TOLOWER(*opnd) != MB_TOLOWER(*reginput)))) |
180 | 4668 status = RA_NOMATCH; |
4669 else if (*opnd == NUL) | |
7 | 4670 { |
4671 /* match empty string always works; happens when "~" is | |
4672 * empty. */ | |
4673 } | |
5899 | 4674 else |
4675 { | |
4676 if (opnd[1] == NUL | |
7 | 4677 #ifdef FEAT_MBYTE |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
4678 && !(enc_utf8 && rex.reg_ic) |
7 | 4679 #endif |
4680 ) | |
5899 | 4681 { |
4682 len = 1; /* matched a single byte above */ | |
4683 } | |
4684 else | |
4685 { | |
4686 /* Need to match first byte again for multi-byte. */ | |
4687 len = (int)STRLEN(opnd); | |
4688 if (cstrncmp(opnd, reginput, &len) != 0) | |
4689 status = RA_NOMATCH; | |
4690 } | |
7 | 4691 #ifdef FEAT_MBYTE |
5901 | 4692 /* Check for following composing character, unless %C |
4693 * follows (skips over all composing chars). */ | |
5899 | 4694 if (status != RA_NOMATCH |
4695 && enc_utf8 | |
4696 && UTF_COMPOSINGLIKE(reginput, reginput + len) | |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
4697 && !rex.reg_icombine |
5901 | 4698 && OP(next) != RE_COMPOSING) |
7 | 4699 { |
4700 /* raaron: This code makes a composing character get | |
4701 * ignored, which is the correct behavior (sometimes) | |
4702 * for voweled Hebrew texts. */ | |
5899 | 4703 status = RA_NOMATCH; |
7 | 4704 } |
180 | 4705 #endif |
5899 | 4706 if (status != RA_NOMATCH) |
180 | 4707 reginput += len; |
7 | 4708 } |
4709 } | |
4710 break; | |
4711 | |
4712 case ANYOF: | |
4713 case ANYBUT: | |
4714 if (c == NUL) | |
180 | 4715 status = RA_NOMATCH; |
4716 else if ((cstrchr(OPERAND(scan), c) == NULL) == (op == ANYOF)) | |
4717 status = RA_NOMATCH; | |
4718 else | |
4719 ADVANCE_REGINPUT(); | |
7 | 4720 break; |
4721 | |
4722 #ifdef FEAT_MBYTE | |
4723 case MULTIBYTECODE: | |
4724 if (has_mbyte) | |
4725 { | |
4726 int i, len; | |
4727 char_u *opnd; | |
944 | 4728 int opndc = 0, inpc; |
7 | 4729 |
4730 opnd = OPERAND(scan); | |
4731 /* Safety check (just in case 'encoding' was changed since | |
4732 * compiling the program). */ | |
474 | 4733 if ((len = (*mb_ptr2len)(opnd)) < 2) |
180 | 4734 { |
4735 status = RA_NOMATCH; | |
4736 break; | |
4737 } | |
714 | 4738 if (enc_utf8) |
11269
121d29004998
patch 8.0.0520: using a function pointer while the function is known
Christian Brabandt <cb@256bit.org>
parents:
11267
diff
changeset
|
4739 opndc = utf_ptr2char(opnd); |
714 | 4740 if (enc_utf8 && utf_iscomposing(opndc)) |
4741 { | |
4742 /* When only a composing char is given match at any | |
4743 * position where that composing char appears. */ | |
4744 status = RA_NOMATCH; | |
6723 | 4745 for (i = 0; reginput[i] != NUL; |
4746 i += utf_ptr2len(reginput + i)) | |
180 | 4747 { |
11269
121d29004998
patch 8.0.0520: using a function pointer while the function is known
Christian Brabandt <cb@256bit.org>
parents:
11267
diff
changeset
|
4748 inpc = utf_ptr2char(reginput + i); |
714 | 4749 if (!utf_iscomposing(inpc)) |
4750 { | |
4751 if (i > 0) | |
4752 break; | |
4753 } | |
4754 else if (opndc == inpc) | |
4755 { | |
4756 /* Include all following composing chars. */ | |
11269
121d29004998
patch 8.0.0520: using a function pointer while the function is known
Christian Brabandt <cb@256bit.org>
parents:
11267
diff
changeset
|
4757 len = i + utfc_ptr2len(reginput + i); |
714 | 4758 status = RA_MATCH; |
4759 break; | |
4760 } | |
180 | 4761 } |
714 | 4762 } |
4763 else | |
4764 for (i = 0; i < len; ++i) | |
4765 if (opnd[i] != reginput[i]) | |
4766 { | |
4767 status = RA_NOMATCH; | |
4768 break; | |
4769 } | |
7 | 4770 reginput += len; |
4771 } | |
4772 else | |
180 | 4773 status = RA_NOMATCH; |
7 | 4774 break; |
4775 #endif | |
5901 | 4776 case RE_COMPOSING: |
4777 #ifdef FEAT_MBYTE | |
4778 if (enc_utf8) | |
4779 { | |
4780 /* Skip composing characters. */ | |
4781 while (utf_iscomposing(utf_ptr2char(reginput))) | |
11127
506f5d8b7d8b
patch 8.0.0451: some macros are in lower case
Christian Brabandt <cb@256bit.org>
parents:
11121
diff
changeset
|
4782 MB_CPTR_ADV(reginput); |
5901 | 4783 } |
4784 #endif | |
4785 break; | |
7 | 4786 |
4787 case NOTHING: | |
4788 break; | |
4789 | |
4790 case BACK: | |
233 | 4791 { |
4792 int i; | |
4793 backpos_T *bp; | |
4794 | |
4795 /* | |
4796 * When we run into BACK we need to check if we don't keep | |
4797 * looping without matching any input. The second and later | |
4798 * times a BACK is encountered it fails if the input is still | |
4799 * at the same position as the previous time. | |
4800 * The positions are stored in "backpos" and found by the | |
4801 * current value of "scan", the position in the RE program. | |
4802 */ | |
4803 bp = (backpos_T *)backpos.ga_data; | |
4804 for (i = 0; i < backpos.ga_len; ++i) | |
4805 if (bp[i].bp_scan == scan) | |
4806 break; | |
4807 if (i == backpos.ga_len) | |
4808 { | |
4809 /* First time at this BACK, make room to store the pos. */ | |
4810 if (ga_grow(&backpos, 1) == FAIL) | |
4811 status = RA_FAIL; | |
4812 else | |
4813 { | |
4814 /* get "ga_data" again, it may have changed */ | |
4815 bp = (backpos_T *)backpos.ga_data; | |
4816 bp[i].bp_scan = scan; | |
4817 ++backpos.ga_len; | |
4818 } | |
4819 } | |
4820 else if (reg_save_equal(&bp[i].bp_pos)) | |
4821 /* Still at same position as last time, fail. */ | |
4822 status = RA_NOMATCH; | |
4823 | |
4824 if (status != RA_FAIL && status != RA_NOMATCH) | |
4825 reg_save(&bp[i].bp_pos, &backpos); | |
4826 } | |
179 | 4827 break; |
4828 | |
7 | 4829 case MOPEN + 0: /* Match start: \zs */ |
4830 case MOPEN + 1: /* \( */ | |
4831 case MOPEN + 2: | |
4832 case MOPEN + 3: | |
4833 case MOPEN + 4: | |
4834 case MOPEN + 5: | |
4835 case MOPEN + 6: | |
4836 case MOPEN + 7: | |
4837 case MOPEN + 8: | |
4838 case MOPEN + 9: | |
4839 { | |
4840 no = op - MOPEN; | |
4841 cleanup_subexpr(); | |
270 | 4842 rp = regstack_push(RS_MOPEN, scan); |
180 | 4843 if (rp == NULL) |
4844 status = RA_FAIL; | |
4845 else | |
4846 { | |
4847 rp->rs_no = no; | |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
4848 save_se(&rp->rs_un.sesave, &rex.reg_startpos[no], |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
4849 &rex.reg_startp[no]); |
180 | 4850 /* We simply continue and handle the result when done. */ |
4851 } | |
7 | 4852 } |
180 | 4853 break; |
7 | 4854 |
4855 case NOPEN: /* \%( */ | |
4856 case NCLOSE: /* \) after \%( */ | |
270 | 4857 if (regstack_push(RS_NOPEN, scan) == NULL) |
180 | 4858 status = RA_FAIL; |
4859 /* We simply continue and handle the result when done. */ | |
4860 break; | |
7 | 4861 |
4862 #ifdef FEAT_SYN_HL | |
4863 case ZOPEN + 1: | |
4864 case ZOPEN + 2: | |
4865 case ZOPEN + 3: | |
4866 case ZOPEN + 4: | |
4867 case ZOPEN + 5: | |
4868 case ZOPEN + 6: | |
4869 case ZOPEN + 7: | |
4870 case ZOPEN + 8: | |
4871 case ZOPEN + 9: | |
4872 { | |
4873 no = op - ZOPEN; | |
4874 cleanup_zsubexpr(); | |
270 | 4875 rp = regstack_push(RS_ZOPEN, scan); |
180 | 4876 if (rp == NULL) |
4877 status = RA_FAIL; | |
4878 else | |
4879 { | |
4880 rp->rs_no = no; | |
4881 save_se(&rp->rs_un.sesave, ®_startzpos[no], | |
4882 ®_startzp[no]); | |
4883 /* We simply continue and handle the result when done. */ | |
4884 } | |
7 | 4885 } |
180 | 4886 break; |
7 | 4887 #endif |
4888 | |
4889 case MCLOSE + 0: /* Match end: \ze */ | |
4890 case MCLOSE + 1: /* \) */ | |
4891 case MCLOSE + 2: | |
4892 case MCLOSE + 3: | |
4893 case MCLOSE + 4: | |
4894 case MCLOSE + 5: | |
4895 case MCLOSE + 6: | |
4896 case MCLOSE + 7: | |
4897 case MCLOSE + 8: | |
4898 case MCLOSE + 9: | |
4899 { | |
4900 no = op - MCLOSE; | |
4901 cleanup_subexpr(); | |
270 | 4902 rp = regstack_push(RS_MCLOSE, scan); |
180 | 4903 if (rp == NULL) |
4904 status = RA_FAIL; | |
4905 else | |
4906 { | |
4907 rp->rs_no = no; | |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
4908 save_se(&rp->rs_un.sesave, &rex.reg_endpos[no], |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
4909 &rex.reg_endp[no]); |
180 | 4910 /* We simply continue and handle the result when done. */ |
4911 } | |
7 | 4912 } |
180 | 4913 break; |
7 | 4914 |
4915 #ifdef FEAT_SYN_HL | |
4916 case ZCLOSE + 1: /* \) after \z( */ | |
4917 case ZCLOSE + 2: | |
4918 case ZCLOSE + 3: | |
4919 case ZCLOSE + 4: | |
4920 case ZCLOSE + 5: | |
4921 case ZCLOSE + 6: | |
4922 case ZCLOSE + 7: | |
4923 case ZCLOSE + 8: | |
4924 case ZCLOSE + 9: | |
4925 { | |
4926 no = op - ZCLOSE; | |
4927 cleanup_zsubexpr(); | |
270 | 4928 rp = regstack_push(RS_ZCLOSE, scan); |
180 | 4929 if (rp == NULL) |
4930 status = RA_FAIL; | |
4931 else | |
4932 { | |
4933 rp->rs_no = no; | |
4934 save_se(&rp->rs_un.sesave, ®_endzpos[no], | |
4935 ®_endzp[no]); | |
4936 /* We simply continue and handle the result when done. */ | |
4937 } | |
7 | 4938 } |
180 | 4939 break; |
7 | 4940 #endif |
4941 | |
4942 case BACKREF + 1: | |
4943 case BACKREF + 2: | |
4944 case BACKREF + 3: | |
4945 case BACKREF + 4: | |
4946 case BACKREF + 5: | |
4947 case BACKREF + 6: | |
4948 case BACKREF + 7: | |
4949 case BACKREF + 8: | |
4950 case BACKREF + 9: | |
4951 { | |
4952 int len; | |
4953 | |
4954 no = op - BACKREF; | |
4955 cleanup_subexpr(); | |
4956 if (!REG_MULTI) /* Single-line regexp */ | |
4957 { | |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
4958 if (rex.reg_startp[no] == NULL || rex.reg_endp[no] == NULL) |
7 | 4959 { |
4960 /* Backref was not set: Match an empty string. */ | |
4961 len = 0; | |
4962 } | |
4963 else | |
4964 { | |
4965 /* Compare current input with back-ref in the same | |
4966 * line. */ | |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
4967 len = (int)(rex.reg_endp[no] - rex.reg_startp[no]); |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
4968 if (cstrncmp(rex.reg_startp[no], reginput, &len) != 0) |
180 | 4969 status = RA_NOMATCH; |
7 | 4970 } |
4971 } | |
4972 else /* Multi-line regexp */ | |
4973 { | |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
4974 if (rex.reg_startpos[no].lnum < 0 |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
4975 || rex.reg_endpos[no].lnum < 0) |
7 | 4976 { |
4977 /* Backref was not set: Match an empty string. */ | |
4978 len = 0; | |
4979 } | |
4980 else | |
4981 { | |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
4982 if (rex.reg_startpos[no].lnum == reglnum |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
4983 && rex.reg_endpos[no].lnum == reglnum) |
7 | 4984 { |
4985 /* Compare back-ref within the current line. */ | |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
4986 len = rex.reg_endpos[no].col |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
4987 - rex.reg_startpos[no].col; |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
4988 if (cstrncmp(regline + rex.reg_startpos[no].col, |
7 | 4989 reginput, &len) != 0) |
180 | 4990 status = RA_NOMATCH; |
7 | 4991 } |
4992 else | |
4993 { | |
4994 /* Messy situation: Need to compare between two | |
4995 * lines. */ | |
4901
56fbf60e9476
updated for version 7.3.1196
Bram Moolenaar <bram@vim.org>
parents:
4899
diff
changeset
|
4996 int r = match_with_backref( |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
4997 rex.reg_startpos[no].lnum, |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
4998 rex.reg_startpos[no].col, |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
4999 rex.reg_endpos[no].lnum, |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
5000 rex.reg_endpos[no].col, |
4899
4837fd61be52
updated for version 7.3.1195
Bram Moolenaar <bram@vim.org>
parents:
4891
diff
changeset
|
5001 &len); |
4901
56fbf60e9476
updated for version 7.3.1196
Bram Moolenaar <bram@vim.org>
parents:
4899
diff
changeset
|
5002 |
56fbf60e9476
updated for version 7.3.1196
Bram Moolenaar <bram@vim.org>
parents:
4899
diff
changeset
|
5003 if (r != RA_MATCH) |
56fbf60e9476
updated for version 7.3.1196
Bram Moolenaar <bram@vim.org>
parents:
4899
diff
changeset
|
5004 status = r; |
7 | 5005 } |
5006 } | |
5007 } | |
5008 | |
5009 /* Matched the backref, skip over it. */ | |
5010 reginput += len; | |
5011 } | |
5012 break; | |
5013 | |
5014 #ifdef FEAT_SYN_HL | |
5015 case ZREF + 1: | |
5016 case ZREF + 2: | |
5017 case ZREF + 3: | |
5018 case ZREF + 4: | |
5019 case ZREF + 5: | |
5020 case ZREF + 6: | |
5021 case ZREF + 7: | |
5022 case ZREF + 8: | |
5023 case ZREF + 9: | |
5024 { | |
5025 int len; | |
5026 | |
5027 cleanup_zsubexpr(); | |
5028 no = op - ZREF; | |
5029 if (re_extmatch_in != NULL | |
5030 && re_extmatch_in->matches[no] != NULL) | |
5031 { | |
5032 len = (int)STRLEN(re_extmatch_in->matches[no]); | |
5033 if (cstrncmp(re_extmatch_in->matches[no], | |
5034 reginput, &len) != 0) | |
180 | 5035 status = RA_NOMATCH; |
5036 else | |
5037 reginput += len; | |
7 | 5038 } |
5039 else | |
5040 { | |
5041 /* Backref was not set: Match an empty string. */ | |
5042 } | |
5043 } | |
5044 break; | |
5045 #endif | |
5046 | |
5047 case BRANCH: | |
5048 { | |
5049 if (OP(next) != BRANCH) /* No choice. */ | |
5050 next = OPERAND(scan); /* Avoid recursion. */ | |
5051 else | |
5052 { | |
270 | 5053 rp = regstack_push(RS_BRANCH, scan); |
180 | 5054 if (rp == NULL) |
5055 status = RA_FAIL; | |
5056 else | |
5057 status = RA_BREAK; /* rest is below */ | |
7 | 5058 } |
5059 } | |
5060 break; | |
5061 | |
5062 case BRACE_LIMITS: | |
5063 { | |
5064 if (OP(next) == BRACE_SIMPLE) | |
5065 { | |
5066 bl_minval = OPERAND_MIN(scan); | |
5067 bl_maxval = OPERAND_MAX(scan); | |
5068 } | |
5069 else if (OP(next) >= BRACE_COMPLEX | |
5070 && OP(next) < BRACE_COMPLEX + 10) | |
5071 { | |
5072 no = OP(next) - BRACE_COMPLEX; | |
5073 brace_min[no] = OPERAND_MIN(scan); | |
5074 brace_max[no] = OPERAND_MAX(scan); | |
5075 brace_count[no] = 0; | |
5076 } | |
5077 else | |
5078 { | |
10359
66f1b5bf3fa6
commit https://github.com/vim/vim/commit/95f096030ed1a8afea028f2ea295d6f6a70f466f
Christian Brabandt <cb@256bit.org>
parents:
10245
diff
changeset
|
5079 internal_error("BRACE_LIMITS"); |
180 | 5080 status = RA_FAIL; |
7 | 5081 } |
5082 } | |
5083 break; | |
5084 | |
5085 case BRACE_COMPLEX + 0: | |
5086 case BRACE_COMPLEX + 1: | |
5087 case BRACE_COMPLEX + 2: | |
5088 case BRACE_COMPLEX + 3: | |
5089 case BRACE_COMPLEX + 4: | |
5090 case BRACE_COMPLEX + 5: | |
5091 case BRACE_COMPLEX + 6: | |
5092 case BRACE_COMPLEX + 7: | |
5093 case BRACE_COMPLEX + 8: | |
5094 case BRACE_COMPLEX + 9: | |
5095 { | |
5096 no = op - BRACE_COMPLEX; | |
5097 ++brace_count[no]; | |
5098 | |
5099 /* If not matched enough times yet, try one more */ | |
5100 if (brace_count[no] <= (brace_min[no] <= brace_max[no] | |
180 | 5101 ? brace_min[no] : brace_max[no])) |
7 | 5102 { |
270 | 5103 rp = regstack_push(RS_BRCPLX_MORE, scan); |
180 | 5104 if (rp == NULL) |
5105 status = RA_FAIL; | |
5106 else | |
5107 { | |
5108 rp->rs_no = no; | |
233 | 5109 reg_save(&rp->rs_un.regsave, &backpos); |
180 | 5110 next = OPERAND(scan); |
5111 /* We continue and handle the result when done. */ | |
5112 } | |
5113 break; | |
7 | 5114 } |
5115 | |
5116 /* If matched enough times, may try matching some more */ | |
5117 if (brace_min[no] <= brace_max[no]) | |
5118 { | |
5119 /* Range is the normal way around, use longest match */ | |
5120 if (brace_count[no] <= brace_max[no]) | |
5121 { | |
270 | 5122 rp = regstack_push(RS_BRCPLX_LONG, scan); |
180 | 5123 if (rp == NULL) |
5124 status = RA_FAIL; | |
5125 else | |
5126 { | |
5127 rp->rs_no = no; | |
233 | 5128 reg_save(&rp->rs_un.regsave, &backpos); |
180 | 5129 next = OPERAND(scan); |
5130 /* We continue and handle the result when done. */ | |
5131 } | |
7 | 5132 } |
5133 } | |
5134 else | |
5135 { | |
5136 /* Range is backwards, use shortest match first */ | |
5137 if (brace_count[no] <= brace_min[no]) | |
5138 { | |
270 | 5139 rp = regstack_push(RS_BRCPLX_SHORT, scan); |
180 | 5140 if (rp == NULL) |
5141 status = RA_FAIL; | |
5142 else | |
5143 { | |
233 | 5144 reg_save(&rp->rs_un.regsave, &backpos); |
180 | 5145 /* We continue and handle the result when done. */ |
5146 } | |
7 | 5147 } |
5148 } | |
5149 } | |
5150 break; | |
5151 | |
5152 case BRACE_SIMPLE: | |
5153 case STAR: | |
5154 case PLUS: | |
5155 { | |
180 | 5156 regstar_T rst; |
7 | 5157 |
5158 /* | |
5159 * Lookahead to avoid useless match attempts when we know | |
5160 * what character comes next. | |
5161 */ | |
5162 if (OP(next) == EXACTLY) | |
5163 { | |
180 | 5164 rst.nextb = *OPERAND(next); |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
5165 if (rex.reg_ic) |
7 | 5166 { |
1347 | 5167 if (MB_ISUPPER(rst.nextb)) |
5168 rst.nextb_ic = MB_TOLOWER(rst.nextb); | |
7 | 5169 else |
1347 | 5170 rst.nextb_ic = MB_TOUPPER(rst.nextb); |
7 | 5171 } |
5172 else | |
180 | 5173 rst.nextb_ic = rst.nextb; |
7 | 5174 } |
5175 else | |
5176 { | |
180 | 5177 rst.nextb = NUL; |
5178 rst.nextb_ic = NUL; | |
7 | 5179 } |
5180 if (op != BRACE_SIMPLE) | |
5181 { | |
180 | 5182 rst.minval = (op == STAR) ? 0 : 1; |
5183 rst.maxval = MAX_LIMIT; | |
7 | 5184 } |
5185 else | |
5186 { | |
180 | 5187 rst.minval = bl_minval; |
5188 rst.maxval = bl_maxval; | |
7 | 5189 } |
5190 | |
5191 /* | |
5192 * When maxval > minval, try matching as much as possible, up | |
5193 * to maxval. When maxval < minval, try matching at least the | |
5194 * minimal number (since the range is backwards, that's also | |
5195 * maxval!). | |
5196 */ | |
180 | 5197 rst.count = regrepeat(OPERAND(scan), rst.maxval); |
7 | 5198 if (got_int) |
180 | 5199 { |
5200 status = RA_FAIL; | |
5201 break; | |
5202 } | |
5203 if (rst.minval <= rst.maxval | |
5204 ? rst.count >= rst.minval : rst.count >= rst.maxval) | |
7 | 5205 { |
180 | 5206 /* It could match. Prepare for trying to match what |
5207 * follows. The code is below. Parameters are stored in | |
5208 * a regstar_T on the regstack. */ | |
212 | 5209 if ((long)((unsigned)regstack.ga_len >> 10) >= p_mmp) |
189 | 5210 { |
5211 EMSG(_(e_maxmempat)); | |
5212 status = RA_FAIL; | |
5213 } | |
5214 else if (ga_grow(®stack, sizeof(regstar_T)) == FAIL) | |
180 | 5215 status = RA_FAIL; |
5216 else | |
7 | 5217 { |
180 | 5218 regstack.ga_len += sizeof(regstar_T); |
270 | 5219 rp = regstack_push(rst.minval <= rst.maxval |
233 | 5220 ? RS_STAR_LONG : RS_STAR_SHORT, scan); |
180 | 5221 if (rp == NULL) |
5222 status = RA_FAIL; | |
5223 else | |
7 | 5224 { |
180 | 5225 *(((regstar_T *)rp) - 1) = rst; |
5226 status = RA_BREAK; /* skip the restore bits */ | |
7 | 5227 } |
5228 } | |
5229 } | |
5230 else | |
180 | 5231 status = RA_NOMATCH; |
5232 | |
7 | 5233 } |
180 | 5234 break; |
7 | 5235 |
5236 case NOMATCH: | |
5237 case MATCH: | |
5238 case SUBPAT: | |
270 | 5239 rp = regstack_push(RS_NOMATCH, scan); |
180 | 5240 if (rp == NULL) |
5241 status = RA_FAIL; | |
5242 else | |
7 | 5243 { |
180 | 5244 rp->rs_no = op; |
233 | 5245 reg_save(&rp->rs_un.regsave, &backpos); |
180 | 5246 next = OPERAND(scan); |
5247 /* We continue and handle the result when done. */ | |
7 | 5248 } |
5249 break; | |
5250 | |
5251 case BEHIND: | |
5252 case NOBEHIND: | |
180 | 5253 /* Need a bit of room to store extra positions. */ |
212 | 5254 if ((long)((unsigned)regstack.ga_len >> 10) >= p_mmp) |
189 | 5255 { |
5256 EMSG(_(e_maxmempat)); | |
5257 status = RA_FAIL; | |
5258 } | |
5259 else if (ga_grow(®stack, sizeof(regbehind_T)) == FAIL) | |
180 | 5260 status = RA_FAIL; |
5261 else | |
7 | 5262 { |
180 | 5263 regstack.ga_len += sizeof(regbehind_T); |
270 | 5264 rp = regstack_push(RS_BEHIND1, scan); |
180 | 5265 if (rp == NULL) |
5266 status = RA_FAIL; | |
5267 else | |
7 | 5268 { |
1579 | 5269 /* Need to save the subexpr to be able to restore them |
5270 * when there is a match but we don't use it. */ | |
5271 save_subexpr(((regbehind_T *)rp) - 1); | |
5272 | |
180 | 5273 rp->rs_no = op; |
233 | 5274 reg_save(&rp->rs_un.regsave, &backpos); |
180 | 5275 /* First try if what follows matches. If it does then we |
5276 * check the behind match by looping. */ | |
7 | 5277 } |
5278 } | |
180 | 5279 break; |
7 | 5280 |
5281 case BHPOS: | |
5282 if (REG_MULTI) | |
5283 { | |
5284 if (behind_pos.rs_u.pos.col != (colnr_T)(reginput - regline) | |
5285 || behind_pos.rs_u.pos.lnum != reglnum) | |
180 | 5286 status = RA_NOMATCH; |
7 | 5287 } |
5288 else if (behind_pos.rs_u.ptr != reginput) | |
180 | 5289 status = RA_NOMATCH; |
7 | 5290 break; |
5291 | |
5292 case NEWL: | |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
5293 if ((c != NUL || !REG_MULTI || reglnum > rex.reg_maxline |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
5294 || rex.reg_line_lbr) |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
5295 && (c != '\n' || !rex.reg_line_lbr)) |
180 | 5296 status = RA_NOMATCH; |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
5297 else if (rex.reg_line_lbr) |
7 | 5298 ADVANCE_REGINPUT(); |
5299 else | |
5300 reg_nextline(); | |
5301 break; | |
5302 | |
5303 case END: | |
180 | 5304 status = RA_MATCH; /* Success! */ |
5305 break; | |
7 | 5306 |
5307 default: | |
5308 EMSG(_(e_re_corr)); | |
5309 #ifdef DEBUG | |
5310 printf("Illegal op code %d\n", op); | |
5311 #endif | |
180 | 5312 status = RA_FAIL; |
5313 break; | |
7 | 5314 } |
5315 } | |
5316 | |
180 | 5317 /* If we can't continue sequentially, break the inner loop. */ |
5318 if (status != RA_CONT) | |
5319 break; | |
5320 | |
5321 /* Continue in inner loop, advance to next item. */ | |
7 | 5322 scan = next; |
180 | 5323 |
5324 } /* end of inner loop */ | |
7 | 5325 |
5326 /* | |
180 | 5327 * If there is something on the regstack execute the code for the state. |
233 | 5328 * If the state is popped then loop and use the older state. |
7 | 5329 */ |
180 | 5330 while (regstack.ga_len > 0 && status != RA_FAIL) |
5331 { | |
5332 rp = (regitem_T *)((char *)regstack.ga_data + regstack.ga_len) - 1; | |
5333 switch (rp->rs_state) | |
5334 { | |
5335 case RS_NOPEN: | |
5336 /* Result is passed on as-is, simply pop the state. */ | |
270 | 5337 regstack_pop(&scan); |
180 | 5338 break; |
5339 | |
5340 case RS_MOPEN: | |
5341 /* Pop the state. Restore pointers when there is no match. */ | |
5342 if (status == RA_NOMATCH) | |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
5343 restore_se(&rp->rs_un.sesave, &rex.reg_startpos[rp->rs_no], |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
5344 &rex.reg_startp[rp->rs_no]); |
270 | 5345 regstack_pop(&scan); |
180 | 5346 break; |
5347 | |
5348 #ifdef FEAT_SYN_HL | |
5349 case RS_ZOPEN: | |
5350 /* Pop the state. Restore pointers when there is no match. */ | |
5351 if (status == RA_NOMATCH) | |
5352 restore_se(&rp->rs_un.sesave, ®_startzpos[rp->rs_no], | |
5353 ®_startzp[rp->rs_no]); | |
270 | 5354 regstack_pop(&scan); |
180 | 5355 break; |
5356 #endif | |
5357 | |
5358 case RS_MCLOSE: | |
5359 /* Pop the state. Restore pointers when there is no match. */ | |
5360 if (status == RA_NOMATCH) | |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
5361 restore_se(&rp->rs_un.sesave, &rex.reg_endpos[rp->rs_no], |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
5362 &rex.reg_endp[rp->rs_no]); |
270 | 5363 regstack_pop(&scan); |
180 | 5364 break; |
5365 | |
5366 #ifdef FEAT_SYN_HL | |
5367 case RS_ZCLOSE: | |
5368 /* Pop the state. Restore pointers when there is no match. */ | |
5369 if (status == RA_NOMATCH) | |
5370 restore_se(&rp->rs_un.sesave, ®_endzpos[rp->rs_no], | |
5371 ®_endzp[rp->rs_no]); | |
270 | 5372 regstack_pop(&scan); |
180 | 5373 break; |
5374 #endif | |
5375 | |
5376 case RS_BRANCH: | |
5377 if (status == RA_MATCH) | |
5378 /* this branch matched, use it */ | |
270 | 5379 regstack_pop(&scan); |
180 | 5380 else |
5381 { | |
5382 if (status != RA_BREAK) | |
5383 { | |
5384 /* After a non-matching branch: try next one. */ | |
233 | 5385 reg_restore(&rp->rs_un.regsave, &backpos); |
180 | 5386 scan = rp->rs_scan; |
5387 } | |
5388 if (scan == NULL || OP(scan) != BRANCH) | |
5389 { | |
5390 /* no more branches, didn't find a match */ | |
5391 status = RA_NOMATCH; | |
270 | 5392 regstack_pop(&scan); |
180 | 5393 } |
5394 else | |
5395 { | |
5396 /* Prepare to try a branch. */ | |
5397 rp->rs_scan = regnext(scan); | |
233 | 5398 reg_save(&rp->rs_un.regsave, &backpos); |
180 | 5399 scan = OPERAND(scan); |
5400 } | |
5401 } | |
5402 break; | |
5403 | |
5404 case RS_BRCPLX_MORE: | |
5405 /* Pop the state. Restore pointers when there is no match. */ | |
5406 if (status == RA_NOMATCH) | |
5407 { | |
233 | 5408 reg_restore(&rp->rs_un.regsave, &backpos); |
180 | 5409 --brace_count[rp->rs_no]; /* decrement match count */ |
5410 } | |
270 | 5411 regstack_pop(&scan); |
180 | 5412 break; |
5413 | |
5414 case RS_BRCPLX_LONG: | |
5415 /* Pop the state. Restore pointers when there is no match. */ | |
5416 if (status == RA_NOMATCH) | |
5417 { | |
5418 /* There was no match, but we did find enough matches. */ | |
233 | 5419 reg_restore(&rp->rs_un.regsave, &backpos); |
180 | 5420 --brace_count[rp->rs_no]; |
5421 /* continue with the items after "\{}" */ | |
5422 status = RA_CONT; | |
5423 } | |
270 | 5424 regstack_pop(&scan); |
180 | 5425 if (status == RA_CONT) |
5426 scan = regnext(scan); | |
5427 break; | |
5428 | |
5429 case RS_BRCPLX_SHORT: | |
5430 /* Pop the state. Restore pointers when there is no match. */ | |
5431 if (status == RA_NOMATCH) | |
5432 /* There was no match, try to match one more item. */ | |
233 | 5433 reg_restore(&rp->rs_un.regsave, &backpos); |
270 | 5434 regstack_pop(&scan); |
180 | 5435 if (status == RA_NOMATCH) |
5436 { | |
5437 scan = OPERAND(scan); | |
5438 status = RA_CONT; | |
5439 } | |
5440 break; | |
5441 | |
5442 case RS_NOMATCH: | |
5443 /* Pop the state. If the operand matches for NOMATCH or | |
5444 * doesn't match for MATCH/SUBPAT, we fail. Otherwise backup, | |
5445 * except for SUBPAT, and continue with the next item. */ | |
5446 if (status == (rp->rs_no == NOMATCH ? RA_MATCH : RA_NOMATCH)) | |
5447 status = RA_NOMATCH; | |
5448 else | |
5449 { | |
5450 status = RA_CONT; | |
233 | 5451 if (rp->rs_no != SUBPAT) /* zero-width */ |
5452 reg_restore(&rp->rs_un.regsave, &backpos); | |
180 | 5453 } |
270 | 5454 regstack_pop(&scan); |
180 | 5455 if (status == RA_CONT) |
5456 scan = regnext(scan); | |
5457 break; | |
5458 | |
5459 case RS_BEHIND1: | |
5460 if (status == RA_NOMATCH) | |
5461 { | |
270 | 5462 regstack_pop(&scan); |
180 | 5463 regstack.ga_len -= sizeof(regbehind_T); |
5464 } | |
5465 else | |
5466 { | |
5467 /* The stuff after BEHIND/NOBEHIND matches. Now try if | |
5468 * the behind part does (not) match before the current | |
5469 * position in the input. This must be done at every | |
5470 * position in the input and checking if the match ends at | |
5471 * the current position. */ | |
5472 | |
5473 /* save the position after the found match for next */ | |
233 | 5474 reg_save(&(((regbehind_T *)rp) - 1)->save_after, &backpos); |
180 | 5475 |
4579
7a2be4a39423
updated for version 7.3.1037
Bram Moolenaar <bram@vim.org>
parents:
4505
diff
changeset
|
5476 /* Start looking for a match with operand at the current |
1209 | 5477 * position. Go back one character until we find the |
180 | 5478 * result, hitting the start of the line or the previous |
5479 * line (for multi-line matching). | |
5480 * Set behind_pos to where the match should end, BHPOS | |
5481 * will match it. Save the current value. */ | |
5482 (((regbehind_T *)rp) - 1)->save_behind = behind_pos; | |
5483 behind_pos = rp->rs_un.regsave; | |
5484 | |
5485 rp->rs_state = RS_BEHIND2; | |
5486 | |
233 | 5487 reg_restore(&rp->rs_un.regsave, &backpos); |
4579
7a2be4a39423
updated for version 7.3.1037
Bram Moolenaar <bram@vim.org>
parents:
4505
diff
changeset
|
5488 scan = OPERAND(rp->rs_scan) + 4; |
180 | 5489 } |
5490 break; | |
5491 | |
5492 case RS_BEHIND2: | |
5493 /* | |
5494 * Looping for BEHIND / NOBEHIND match. | |
5495 */ | |
5496 if (status == RA_MATCH && reg_save_equal(&behind_pos)) | |
5497 { | |
5498 /* found a match that ends where "next" started */ | |
5499 behind_pos = (((regbehind_T *)rp) - 1)->save_behind; | |
5500 if (rp->rs_no == BEHIND) | |
233 | 5501 reg_restore(&(((regbehind_T *)rp) - 1)->save_after, |
5502 &backpos); | |
180 | 5503 else |
1579 | 5504 { |
5505 /* But we didn't want a match. Need to restore the | |
5506 * subexpr, because what follows matched, so they have | |
5507 * been set. */ | |
180 | 5508 status = RA_NOMATCH; |
1579 | 5509 restore_subexpr(((regbehind_T *)rp) - 1); |
5510 } | |
270 | 5511 regstack_pop(&scan); |
180 | 5512 regstack.ga_len -= sizeof(regbehind_T); |
5513 } | |
5514 else | |
5515 { | |
4579
7a2be4a39423
updated for version 7.3.1037
Bram Moolenaar <bram@vim.org>
parents:
4505
diff
changeset
|
5516 long limit; |
7a2be4a39423
updated for version 7.3.1037
Bram Moolenaar <bram@vim.org>
parents:
4505
diff
changeset
|
5517 |
1579 | 5518 /* No match or a match that doesn't end where we want it: Go |
5519 * back one character. May go to previous line once. */ | |
180 | 5520 no = OK; |
4579
7a2be4a39423
updated for version 7.3.1037
Bram Moolenaar <bram@vim.org>
parents:
4505
diff
changeset
|
5521 limit = OPERAND_MIN(rp->rs_scan); |
180 | 5522 if (REG_MULTI) |
5523 { | |
4682
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
5524 if (limit > 0 |
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
5525 && ((rp->rs_un.regsave.rs_u.pos.lnum |
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
5526 < behind_pos.rs_u.pos.lnum |
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
5527 ? (colnr_T)STRLEN(regline) |
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
5528 : behind_pos.rs_u.pos.col) |
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
5529 - rp->rs_un.regsave.rs_u.pos.col >= limit)) |
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
5530 no = FAIL; |
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
5531 else if (rp->rs_un.regsave.rs_u.pos.col == 0) |
180 | 5532 { |
5533 if (rp->rs_un.regsave.rs_u.pos.lnum | |
5534 < behind_pos.rs_u.pos.lnum | |
5535 || reg_getline( | |
5536 --rp->rs_un.regsave.rs_u.pos.lnum) | |
5537 == NULL) | |
5538 no = FAIL; | |
5539 else | |
5540 { | |
233 | 5541 reg_restore(&rp->rs_un.regsave, &backpos); |
180 | 5542 rp->rs_un.regsave.rs_u.pos.col = |
5543 (colnr_T)STRLEN(regline); | |
5544 } | |
5545 } | |
5546 else | |
4579
7a2be4a39423
updated for version 7.3.1037
Bram Moolenaar <bram@vim.org>
parents:
4505
diff
changeset
|
5547 { |
4176 | 5548 #ifdef FEAT_MBYTE |
4579
7a2be4a39423
updated for version 7.3.1037
Bram Moolenaar <bram@vim.org>
parents:
4505
diff
changeset
|
5549 if (has_mbyte) |
7a2be4a39423
updated for version 7.3.1037
Bram Moolenaar <bram@vim.org>
parents:
4505
diff
changeset
|
5550 rp->rs_un.regsave.rs_u.pos.col -= |
7a2be4a39423
updated for version 7.3.1037
Bram Moolenaar <bram@vim.org>
parents:
4505
diff
changeset
|
5551 (*mb_head_off)(regline, regline |
4176 | 5552 + rp->rs_un.regsave.rs_u.pos.col - 1) + 1; |
4579
7a2be4a39423
updated for version 7.3.1037
Bram Moolenaar <bram@vim.org>
parents:
4505
diff
changeset
|
5553 else |
7a2be4a39423
updated for version 7.3.1037
Bram Moolenaar <bram@vim.org>
parents:
4505
diff
changeset
|
5554 #endif |
7a2be4a39423
updated for version 7.3.1037
Bram Moolenaar <bram@vim.org>
parents:
4505
diff
changeset
|
5555 --rp->rs_un.regsave.rs_u.pos.col; |
7a2be4a39423
updated for version 7.3.1037
Bram Moolenaar <bram@vim.org>
parents:
4505
diff
changeset
|
5556 } |
180 | 5557 } |
5558 else | |
5559 { | |
5560 if (rp->rs_un.regsave.rs_u.ptr == regline) | |
5561 no = FAIL; | |
5562 else | |
4579
7a2be4a39423
updated for version 7.3.1037
Bram Moolenaar <bram@vim.org>
parents:
4505
diff
changeset
|
5563 { |
11127
506f5d8b7d8b
patch 8.0.0451: some macros are in lower case
Christian Brabandt <cb@256bit.org>
parents:
11121
diff
changeset
|
5564 MB_PTR_BACK(regline, rp->rs_un.regsave.rs_u.ptr); |
4579
7a2be4a39423
updated for version 7.3.1037
Bram Moolenaar <bram@vim.org>
parents:
4505
diff
changeset
|
5565 if (limit > 0 && (long)(behind_pos.rs_u.ptr |
7a2be4a39423
updated for version 7.3.1037
Bram Moolenaar <bram@vim.org>
parents:
4505
diff
changeset
|
5566 - rp->rs_un.regsave.rs_u.ptr) > limit) |
7a2be4a39423
updated for version 7.3.1037
Bram Moolenaar <bram@vim.org>
parents:
4505
diff
changeset
|
5567 no = FAIL; |
7a2be4a39423
updated for version 7.3.1037
Bram Moolenaar <bram@vim.org>
parents:
4505
diff
changeset
|
5568 } |
180 | 5569 } |
5570 if (no == OK) | |
5571 { | |
5572 /* Advanced, prepare for finding match again. */ | |
233 | 5573 reg_restore(&rp->rs_un.regsave, &backpos); |
4579
7a2be4a39423
updated for version 7.3.1037
Bram Moolenaar <bram@vim.org>
parents:
4505
diff
changeset
|
5574 scan = OPERAND(rp->rs_scan) + 4; |
1579 | 5575 if (status == RA_MATCH) |
5576 { | |
5577 /* We did match, so subexpr may have been changed, | |
5578 * need to restore them for the next try. */ | |
5579 status = RA_NOMATCH; | |
5580 restore_subexpr(((regbehind_T *)rp) - 1); | |
5581 } | |
180 | 5582 } |
5583 else | |
5584 { | |
5585 /* Can't advance. For NOBEHIND that's a match. */ | |
5586 behind_pos = (((regbehind_T *)rp) - 1)->save_behind; | |
5587 if (rp->rs_no == NOBEHIND) | |
5588 { | |
233 | 5589 reg_restore(&(((regbehind_T *)rp) - 1)->save_after, |
5590 &backpos); | |
180 | 5591 status = RA_MATCH; |
5592 } | |
5593 else | |
1579 | 5594 { |
5595 /* We do want a proper match. Need to restore the | |
5596 * subexpr if we had a match, because they may have | |
5597 * been set. */ | |
5598 if (status == RA_MATCH) | |
5599 { | |
5600 status = RA_NOMATCH; | |
5601 restore_subexpr(((regbehind_T *)rp) - 1); | |
5602 } | |
5603 } | |
270 | 5604 regstack_pop(&scan); |
180 | 5605 regstack.ga_len -= sizeof(regbehind_T); |
5606 } | |
5607 } | |
5608 break; | |
5609 | |
5610 case RS_STAR_LONG: | |
5611 case RS_STAR_SHORT: | |
5612 { | |
5613 regstar_T *rst = ((regstar_T *)rp) - 1; | |
5614 | |
5615 if (status == RA_MATCH) | |
5616 { | |
270 | 5617 regstack_pop(&scan); |
180 | 5618 regstack.ga_len -= sizeof(regstar_T); |
5619 break; | |
5620 } | |
5621 | |
5622 /* Tried once already, restore input pointers. */ | |
5623 if (status != RA_BREAK) | |
233 | 5624 reg_restore(&rp->rs_un.regsave, &backpos); |
180 | 5625 |
5626 /* Repeat until we found a position where it could match. */ | |
5627 for (;;) | |
5628 { | |
5629 if (status != RA_BREAK) | |
5630 { | |
5631 /* Tried first position already, advance. */ | |
5632 if (rp->rs_state == RS_STAR_LONG) | |
5633 { | |
685 | 5634 /* Trying for longest match, but couldn't or |
5635 * didn't match -- back up one char. */ | |
180 | 5636 if (--rst->count < rst->minval) |
5637 break; | |
5638 if (reginput == regline) | |
5639 { | |
5640 /* backup to last char of previous line */ | |
5641 --reglnum; | |
5642 regline = reg_getline(reglnum); | |
5643 /* Just in case regrepeat() didn't count | |
5644 * right. */ | |
5645 if (regline == NULL) | |
5646 break; | |
5647 reginput = regline + STRLEN(regline); | |
5648 fast_breakcheck(); | |
5649 } | |
5650 else | |
11127
506f5d8b7d8b
patch 8.0.0451: some macros are in lower case
Christian Brabandt <cb@256bit.org>
parents:
11121
diff
changeset
|
5651 MB_PTR_BACK(regline, reginput); |
180 | 5652 } |
5653 else | |
5654 { | |
5655 /* Range is backwards, use shortest match first. | |
5656 * Careful: maxval and minval are exchanged! | |
5657 * Couldn't or didn't match: try advancing one | |
5658 * char. */ | |
5659 if (rst->count == rst->minval | |
5660 || regrepeat(OPERAND(rp->rs_scan), 1L) == 0) | |
5661 break; | |
5662 ++rst->count; | |
5663 } | |
5664 if (got_int) | |
5665 break; | |
5666 } | |
5667 else | |
5668 status = RA_NOMATCH; | |
5669 | |
5670 /* If it could match, try it. */ | |
5671 if (rst->nextb == NUL || *reginput == rst->nextb | |
5672 || *reginput == rst->nextb_ic) | |
5673 { | |
233 | 5674 reg_save(&rp->rs_un.regsave, &backpos); |
180 | 5675 scan = regnext(rp->rs_scan); |
5676 status = RA_CONT; | |
5677 break; | |
5678 } | |
5679 } | |
5680 if (status != RA_CONT) | |
5681 { | |
5682 /* Failed. */ | |
270 | 5683 regstack_pop(&scan); |
180 | 5684 regstack.ga_len -= sizeof(regstar_T); |
5685 status = RA_NOMATCH; | |
5686 } | |
5687 } | |
5688 break; | |
5689 } | |
5690 | |
685 | 5691 /* If we want to continue the inner loop or didn't pop a state |
5692 * continue matching loop */ | |
180 | 5693 if (status == RA_CONT || rp == (regitem_T *) |
5694 ((char *)regstack.ga_data + regstack.ga_len) - 1) | |
5695 break; | |
5696 } | |
5697 | |
189 | 5698 /* May need to continue with the inner loop, starting at "scan". */ |
180 | 5699 if (status == RA_CONT) |
5700 continue; | |
5701 | |
5702 /* | |
5703 * If the regstack is empty or something failed we are done. | |
5704 */ | |
5705 if (regstack.ga_len == 0 || status == RA_FAIL) | |
5706 { | |
5707 if (scan == NULL) | |
5708 { | |
5709 /* | |
5710 * We get here only if there's trouble -- normally "case END" is | |
5711 * the terminating point. | |
5712 */ | |
5713 EMSG(_(e_re_corr)); | |
7 | 5714 #ifdef DEBUG |
180 | 5715 printf("Premature EOL\n"); |
7 | 5716 #endif |
180 | 5717 } |
189 | 5718 if (status == RA_FAIL) |
5719 got_int = TRUE; | |
180 | 5720 return (status == RA_MATCH); |
5721 } | |
5722 | |
5723 } /* End of loop until the regstack is empty. */ | |
5724 | |
5725 /* NOTREACHED */ | |
5726 } | |
5727 | |
5728 /* | |
5729 * Push an item onto the regstack. | |
5730 * Returns pointer to new item. Returns NULL when out of memory. | |
5731 */ | |
5732 static regitem_T * | |
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
5733 regstack_push(regstate_T state, char_u *scan) |
180 | 5734 { |
5735 regitem_T *rp; | |
5736 | |
270 | 5737 if ((long)((unsigned)regstack.ga_len >> 10) >= p_mmp) |
189 | 5738 { |
5739 EMSG(_(e_maxmempat)); | |
5740 return NULL; | |
5741 } | |
270 | 5742 if (ga_grow(®stack, sizeof(regitem_T)) == FAIL) |
180 | 5743 return NULL; |
5744 | |
270 | 5745 rp = (regitem_T *)((char *)regstack.ga_data + regstack.ga_len); |
180 | 5746 rp->rs_state = state; |
5747 rp->rs_scan = scan; | |
5748 | |
270 | 5749 regstack.ga_len += sizeof(regitem_T); |
180 | 5750 return rp; |
5751 } | |
5752 | |
5753 /* | |
5754 * Pop an item from the regstack. | |
5755 */ | |
5756 static void | |
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
5757 regstack_pop(char_u **scan) |
180 | 5758 { |
5759 regitem_T *rp; | |
5760 | |
270 | 5761 rp = (regitem_T *)((char *)regstack.ga_data + regstack.ga_len) - 1; |
180 | 5762 *scan = rp->rs_scan; |
5763 | |
270 | 5764 regstack.ga_len -= sizeof(regitem_T); |
7 | 5765 } |
5766 | |
5767 /* | |
5768 * regrepeat - repeatedly match something simple, return how many. | |
5769 * Advances reginput (and reglnum) to just after the matched chars. | |
5770 */ | |
5771 static int | |
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
5772 regrepeat( |
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
5773 char_u *p, |
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
5774 long maxcount) /* maximum number of matches allowed */ |
7 | 5775 { |
5776 long count = 0; | |
5777 char_u *scan; | |
5778 char_u *opnd; | |
5779 int mask; | |
5780 int testval = 0; | |
5781 | |
5782 scan = reginput; /* Make local copy of reginput for speed. */ | |
5783 opnd = OPERAND(p); | |
5784 switch (OP(p)) | |
5785 { | |
5786 case ANY: | |
5787 case ANY + ADD_NL: | |
5788 while (count < maxcount) | |
5789 { | |
5790 /* Matching anything means we continue until end-of-line (or | |
5791 * end-of-file for ANY + ADD_NL), only limited by maxcount. */ | |
5792 while (*scan != NUL && count < maxcount) | |
5793 { | |
5794 ++count; | |
11127
506f5d8b7d8b
patch 8.0.0451: some macros are in lower case
Christian Brabandt <cb@256bit.org>
parents:
11121
diff
changeset
|
5795 MB_PTR_ADV(scan); |
7 | 5796 } |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
5797 if (!REG_MULTI || !WITH_NL(OP(p)) || reglnum > rex.reg_maxline |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
5798 || rex.reg_line_lbr || count == maxcount) |
7 | 5799 break; |
5800 ++count; /* count the line-break */ | |
5801 reg_nextline(); | |
5802 scan = reginput; | |
5803 if (got_int) | |
5804 break; | |
5805 } | |
5806 break; | |
5807 | |
5808 case IDENT: | |
5809 case IDENT + ADD_NL: | |
5810 testval = TRUE; | |
5811 /*FALLTHROUGH*/ | |
5812 case SIDENT: | |
5813 case SIDENT + ADD_NL: | |
5814 while (count < maxcount) | |
5815 { | |
4466 | 5816 if (vim_isIDc(PTR2CHAR(scan)) && (testval || !VIM_ISDIGIT(*scan))) |
7 | 5817 { |
11127
506f5d8b7d8b
patch 8.0.0451: some macros are in lower case
Christian Brabandt <cb@256bit.org>
parents:
11121
diff
changeset
|
5818 MB_PTR_ADV(scan); |
7 | 5819 } |
5820 else if (*scan == NUL) | |
5821 { | |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
5822 if (!REG_MULTI || !WITH_NL(OP(p)) || reglnum > rex.reg_maxline |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
5823 || rex.reg_line_lbr) |
7 | 5824 break; |
5825 reg_nextline(); | |
5826 scan = reginput; | |
5827 if (got_int) | |
5828 break; | |
5829 } | |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
5830 else if (rex.reg_line_lbr && *scan == '\n' && WITH_NL(OP(p))) |
7 | 5831 ++scan; |
5832 else | |
5833 break; | |
5834 ++count; | |
5835 } | |
5836 break; | |
5837 | |
5838 case KWORD: | |
5839 case KWORD + ADD_NL: | |
5840 testval = TRUE; | |
5841 /*FALLTHROUGH*/ | |
5842 case SKWORD: | |
5843 case SKWORD + ADD_NL: | |
5844 while (count < maxcount) | |
5845 { | |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
5846 if (vim_iswordp_buf(scan, rex.reg_buf) |
4069 | 5847 && (testval || !VIM_ISDIGIT(*scan))) |
7 | 5848 { |
11127
506f5d8b7d8b
patch 8.0.0451: some macros are in lower case
Christian Brabandt <cb@256bit.org>
parents:
11121
diff
changeset
|
5849 MB_PTR_ADV(scan); |
7 | 5850 } |
5851 else if (*scan == NUL) | |
5852 { | |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
5853 if (!REG_MULTI || !WITH_NL(OP(p)) || reglnum > rex.reg_maxline |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
5854 || rex.reg_line_lbr) |
7 | 5855 break; |
5856 reg_nextline(); | |
5857 scan = reginput; | |
5858 if (got_int) | |
5859 break; | |
5860 } | |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
5861 else if (rex.reg_line_lbr && *scan == '\n' && WITH_NL(OP(p))) |
7 | 5862 ++scan; |
5863 else | |
5864 break; | |
5865 ++count; | |
5866 } | |
5867 break; | |
5868 | |
5869 case FNAME: | |
5870 case FNAME + ADD_NL: | |
5871 testval = TRUE; | |
5872 /*FALLTHROUGH*/ | |
5873 case SFNAME: | |
5874 case SFNAME + ADD_NL: | |
5875 while (count < maxcount) | |
5876 { | |
4466 | 5877 if (vim_isfilec(PTR2CHAR(scan)) && (testval || !VIM_ISDIGIT(*scan))) |
7 | 5878 { |
11127
506f5d8b7d8b
patch 8.0.0451: some macros are in lower case
Christian Brabandt <cb@256bit.org>
parents:
11121
diff
changeset
|
5879 MB_PTR_ADV(scan); |
7 | 5880 } |
5881 else if (*scan == NUL) | |
5882 { | |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
5883 if (!REG_MULTI || !WITH_NL(OP(p)) || reglnum > rex.reg_maxline |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
5884 || rex.reg_line_lbr) |
7 | 5885 break; |
5886 reg_nextline(); | |
5887 scan = reginput; | |
5888 if (got_int) | |
5889 break; | |
5890 } | |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
5891 else if (rex.reg_line_lbr && *scan == '\n' && WITH_NL(OP(p))) |
7 | 5892 ++scan; |
5893 else | |
5894 break; | |
5895 ++count; | |
5896 } | |
5897 break; | |
5898 | |
5899 case PRINT: | |
5900 case PRINT + ADD_NL: | |
5901 testval = TRUE; | |
5902 /*FALLTHROUGH*/ | |
5903 case SPRINT: | |
5904 case SPRINT + ADD_NL: | |
5905 while (count < maxcount) | |
5906 { | |
5907 if (*scan == NUL) | |
5908 { | |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
5909 if (!REG_MULTI || !WITH_NL(OP(p)) || reglnum > rex.reg_maxline |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
5910 || rex.reg_line_lbr) |
7 | 5911 break; |
5912 reg_nextline(); | |
5913 scan = reginput; | |
5914 if (got_int) | |
5915 break; | |
5916 } | |
5221
9982ec574beb
updated for version 7.4a.036
Bram Moolenaar <bram@vim.org>
parents:
4901
diff
changeset
|
5917 else if (vim_isprintc(PTR2CHAR(scan)) == 1 |
9982ec574beb
updated for version 7.4a.036
Bram Moolenaar <bram@vim.org>
parents:
4901
diff
changeset
|
5918 && (testval || !VIM_ISDIGIT(*scan))) |
7 | 5919 { |
11127
506f5d8b7d8b
patch 8.0.0451: some macros are in lower case
Christian Brabandt <cb@256bit.org>
parents:
11121
diff
changeset
|
5920 MB_PTR_ADV(scan); |
7 | 5921 } |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
5922 else if (rex.reg_line_lbr && *scan == '\n' && WITH_NL(OP(p))) |
7 | 5923 ++scan; |
5924 else | |
5925 break; | |
5926 ++count; | |
5927 } | |
5928 break; | |
5929 | |
5930 case WHITE: | |
5931 case WHITE + ADD_NL: | |
5932 testval = mask = RI_WHITE; | |
5933 do_class: | |
5934 while (count < maxcount) | |
5935 { | |
5936 #ifdef FEAT_MBYTE | |
5937 int l; | |
5938 #endif | |
5939 if (*scan == NUL) | |
5940 { | |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
5941 if (!REG_MULTI || !WITH_NL(OP(p)) || reglnum > rex.reg_maxline |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
5942 || rex.reg_line_lbr) |
7 | 5943 break; |
5944 reg_nextline(); | |
5945 scan = reginput; | |
5946 if (got_int) | |
5947 break; | |
5948 } | |
5949 #ifdef FEAT_MBYTE | |
474 | 5950 else if (has_mbyte && (l = (*mb_ptr2len)(scan)) > 1) |
7 | 5951 { |
5952 if (testval != 0) | |
5953 break; | |
5954 scan += l; | |
5955 } | |
5956 #endif | |
5957 else if ((class_tab[*scan] & mask) == testval) | |
5958 ++scan; | |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
5959 else if (rex.reg_line_lbr && *scan == '\n' && WITH_NL(OP(p))) |
7 | 5960 ++scan; |
5961 else | |
5962 break; | |
5963 ++count; | |
5964 } | |
5965 break; | |
5966 | |
5967 case NWHITE: | |
5968 case NWHITE + ADD_NL: | |
5969 mask = RI_WHITE; | |
5970 goto do_class; | |
5971 case DIGIT: | |
5972 case DIGIT + ADD_NL: | |
5973 testval = mask = RI_DIGIT; | |
5974 goto do_class; | |
5975 case NDIGIT: | |
5976 case NDIGIT + ADD_NL: | |
5977 mask = RI_DIGIT; | |
5978 goto do_class; | |
5979 case HEX: | |
5980 case HEX + ADD_NL: | |
5981 testval = mask = RI_HEX; | |
5982 goto do_class; | |
5983 case NHEX: | |
5984 case NHEX + ADD_NL: | |
5985 mask = RI_HEX; | |
5986 goto do_class; | |
5987 case OCTAL: | |
5988 case OCTAL + ADD_NL: | |
5989 testval = mask = RI_OCTAL; | |
5990 goto do_class; | |
5991 case NOCTAL: | |
5992 case NOCTAL + ADD_NL: | |
5993 mask = RI_OCTAL; | |
5994 goto do_class; | |
5995 case WORD: | |
5996 case WORD + ADD_NL: | |
5997 testval = mask = RI_WORD; | |
5998 goto do_class; | |
5999 case NWORD: | |
6000 case NWORD + ADD_NL: | |
6001 mask = RI_WORD; | |
6002 goto do_class; | |
6003 case HEAD: | |
6004 case HEAD + ADD_NL: | |
6005 testval = mask = RI_HEAD; | |
6006 goto do_class; | |
6007 case NHEAD: | |
6008 case NHEAD + ADD_NL: | |
6009 mask = RI_HEAD; | |
6010 goto do_class; | |
6011 case ALPHA: | |
6012 case ALPHA + ADD_NL: | |
6013 testval = mask = RI_ALPHA; | |
6014 goto do_class; | |
6015 case NALPHA: | |
6016 case NALPHA + ADD_NL: | |
6017 mask = RI_ALPHA; | |
6018 goto do_class; | |
6019 case LOWER: | |
6020 case LOWER + ADD_NL: | |
6021 testval = mask = RI_LOWER; | |
6022 goto do_class; | |
6023 case NLOWER: | |
6024 case NLOWER + ADD_NL: | |
6025 mask = RI_LOWER; | |
6026 goto do_class; | |
6027 case UPPER: | |
6028 case UPPER + ADD_NL: | |
6029 testval = mask = RI_UPPER; | |
6030 goto do_class; | |
6031 case NUPPER: | |
6032 case NUPPER + ADD_NL: | |
6033 mask = RI_UPPER; | |
6034 goto do_class; | |
6035 | |
6036 case EXACTLY: | |
6037 { | |
6038 int cu, cl; | |
6039 | |
6040 /* This doesn't do a multi-byte character, because a MULTIBYTECODE | |
1347 | 6041 * would have been used for it. It does handle single-byte |
6042 * characters, such as latin1. */ | |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
6043 if (rex.reg_ic) |
7 | 6044 { |
1347 | 6045 cu = MB_TOUPPER(*opnd); |
6046 cl = MB_TOLOWER(*opnd); | |
7 | 6047 while (count < maxcount && (*scan == cu || *scan == cl)) |
6048 { | |
6049 count++; | |
6050 scan++; | |
6051 } | |
6052 } | |
6053 else | |
6054 { | |
6055 cu = *opnd; | |
6056 while (count < maxcount && *scan == cu) | |
6057 { | |
6058 count++; | |
6059 scan++; | |
6060 } | |
6061 } | |
6062 break; | |
6063 } | |
6064 | |
6065 #ifdef FEAT_MBYTE | |
6066 case MULTIBYTECODE: | |
6067 { | |
6068 int i, len, cf = 0; | |
6069 | |
6070 /* Safety check (just in case 'encoding' was changed since | |
6071 * compiling the program). */ | |
474 | 6072 if ((len = (*mb_ptr2len)(opnd)) > 1) |
7 | 6073 { |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
6074 if (rex.reg_ic && enc_utf8) |
7 | 6075 cf = utf_fold(utf_ptr2char(opnd)); |
6785 | 6076 while (count < maxcount && (*mb_ptr2len)(scan) >= len) |
7 | 6077 { |
6078 for (i = 0; i < len; ++i) | |
6079 if (opnd[i] != scan[i]) | |
6080 break; | |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
6081 if (i < len && (!rex.reg_ic || !enc_utf8 |
7 | 6082 || utf_fold(utf_ptr2char(scan)) != cf)) |
6083 break; | |
6084 scan += len; | |
6085 ++count; | |
6086 } | |
6087 } | |
6088 } | |
6089 break; | |
6090 #endif | |
6091 | |
6092 case ANYOF: | |
6093 case ANYOF + ADD_NL: | |
6094 testval = TRUE; | |
6095 /*FALLTHROUGH*/ | |
6096 | |
6097 case ANYBUT: | |
6098 case ANYBUT + ADD_NL: | |
6099 while (count < maxcount) | |
6100 { | |
6101 #ifdef FEAT_MBYTE | |
6102 int len; | |
6103 #endif | |
6104 if (*scan == NUL) | |
6105 { | |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
6106 if (!REG_MULTI || !WITH_NL(OP(p)) || reglnum > rex.reg_maxline |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
6107 || rex.reg_line_lbr) |
7 | 6108 break; |
6109 reg_nextline(); | |
6110 scan = reginput; | |
6111 if (got_int) | |
6112 break; | |
6113 } | |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
6114 else if (rex.reg_line_lbr && *scan == '\n' && WITH_NL(OP(p))) |
7 | 6115 ++scan; |
6116 #ifdef FEAT_MBYTE | |
474 | 6117 else if (has_mbyte && (len = (*mb_ptr2len)(scan)) > 1) |
7 | 6118 { |
6119 if ((cstrchr(opnd, (*mb_ptr2char)(scan)) == NULL) == testval) | |
6120 break; | |
6121 scan += len; | |
6122 } | |
6123 #endif | |
6124 else | |
6125 { | |
6126 if ((cstrchr(opnd, *scan) == NULL) == testval) | |
6127 break; | |
6128 ++scan; | |
6129 } | |
6130 ++count; | |
6131 } | |
6132 break; | |
6133 | |
6134 case NEWL: | |
6135 while (count < maxcount | |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
6136 && ((*scan == NUL && reglnum <= rex.reg_maxline |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
6137 && !rex.reg_line_lbr && REG_MULTI) |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
6138 || (*scan == '\n' && rex.reg_line_lbr))) |
7 | 6139 { |
6140 count++; | |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
6141 if (rex.reg_line_lbr) |
7 | 6142 ADVANCE_REGINPUT(); |
6143 else | |
6144 reg_nextline(); | |
6145 scan = reginput; | |
6146 if (got_int) | |
6147 break; | |
6148 } | |
6149 break; | |
6150 | |
6151 default: /* Oh dear. Called inappropriately. */ | |
6152 EMSG(_(e_re_corr)); | |
6153 #ifdef DEBUG | |
6154 printf("Called regrepeat with op code %d\n", OP(p)); | |
6155 #endif | |
6156 break; | |
6157 } | |
6158 | |
6159 reginput = scan; | |
6160 | |
6161 return (int)count; | |
6162 } | |
6163 | |
6164 /* | |
6165 * regnext - dig the "next" pointer out of a node | |
2010 | 6166 * Returns NULL when calculating size, when there is no next item and when |
6167 * there is an error. | |
7 | 6168 */ |
6169 static char_u * | |
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
6170 regnext(char_u *p) |
7 | 6171 { |
6172 int offset; | |
6173 | |
2010 | 6174 if (p == JUST_CALC_SIZE || reg_toolong) |
7 | 6175 return NULL; |
6176 | |
6177 offset = NEXT(p); | |
6178 if (offset == 0) | |
6179 return NULL; | |
6180 | |
233 | 6181 if (OP(p) == BACK) |
7 | 6182 return p - offset; |
6183 else | |
6184 return p + offset; | |
6185 } | |
6186 | |
6187 /* | |
6188 * Check the regexp program for its magic number. | |
6189 * Return TRUE if it's wrong. | |
6190 */ | |
6191 static int | |
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
6192 prog_magic_wrong(void) |
7 | 6193 { |
4444 | 6194 regprog_T *prog; |
6195 | |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
6196 prog = REG_MULTI ? rex.reg_mmatch->regprog : rex.reg_match->regprog; |
4444 | 6197 if (prog->engine == &nfa_regengine) |
6198 /* For NFA matcher we don't check the magic */ | |
6199 return FALSE; | |
6200 | |
6201 if (UCHARAT(((bt_regprog_T *)prog)->program) != REGMAGIC) | |
7 | 6202 { |
6203 EMSG(_(e_re_corr)); | |
6204 return TRUE; | |
6205 } | |
6206 return FALSE; | |
6207 } | |
6208 | |
6209 /* | |
6210 * Cleanup the subexpressions, if this wasn't done yet. | |
6211 * This construction is used to clear the subexpressions only when they are | |
6212 * used (to increase speed). | |
6213 */ | |
6214 static void | |
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
6215 cleanup_subexpr(void) |
7 | 6216 { |
6217 if (need_clear_subexpr) | |
6218 { | |
6219 if (REG_MULTI) | |
6220 { | |
6221 /* 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
|
6222 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
|
6223 vim_memset(rex.reg_endpos, 0xff, sizeof(lpos_T) * NSUBEXP); |
7 | 6224 } |
6225 else | |
6226 { | |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
6227 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
|
6228 vim_memset(rex.reg_endp, 0, sizeof(char_u *) * NSUBEXP); |
7 | 6229 } |
6230 need_clear_subexpr = FALSE; | |
6231 } | |
6232 } | |
6233 | |
6234 #ifdef FEAT_SYN_HL | |
6235 static void | |
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
6236 cleanup_zsubexpr(void) |
7 | 6237 { |
6238 if (need_clear_zsubexpr) | |
6239 { | |
6240 if (REG_MULTI) | |
6241 { | |
6242 /* Use 0xff to set lnum to -1 */ | |
6243 vim_memset(reg_startzpos, 0xff, sizeof(lpos_T) * NSUBEXP); | |
6244 vim_memset(reg_endzpos, 0xff, sizeof(lpos_T) * NSUBEXP); | |
6245 } | |
6246 else | |
6247 { | |
6248 vim_memset(reg_startzp, 0, sizeof(char_u *) * NSUBEXP); | |
6249 vim_memset(reg_endzp, 0, sizeof(char_u *) * NSUBEXP); | |
6250 } | |
6251 need_clear_zsubexpr = FALSE; | |
6252 } | |
6253 } | |
6254 #endif | |
6255 | |
6256 /* | |
1579 | 6257 * Save the current subexpr to "bp", so that they can be restored |
6258 * later by restore_subexpr(). | |
6259 */ | |
6260 static void | |
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
6261 save_subexpr(regbehind_T *bp) |
1579 | 6262 { |
6263 int i; | |
6264 | |
1602 | 6265 /* When "need_clear_subexpr" is set we don't need to save the values, only |
6266 * remember that this flag needs to be set again when restoring. */ | |
6267 bp->save_need_clear_subexpr = need_clear_subexpr; | |
6268 if (!need_clear_subexpr) | |
1579 | 6269 { |
1602 | 6270 for (i = 0; i < NSUBEXP; ++i) |
1579 | 6271 { |
1602 | 6272 if (REG_MULTI) |
6273 { | |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
6274 bp->save_start[i].se_u.pos = rex.reg_startpos[i]; |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
6275 bp->save_end[i].se_u.pos = rex.reg_endpos[i]; |
1602 | 6276 } |
6277 else | |
6278 { | |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
6279 bp->save_start[i].se_u.ptr = rex.reg_startp[i]; |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
6280 bp->save_end[i].se_u.ptr = rex.reg_endp[i]; |
1602 | 6281 } |
1579 | 6282 } |
6283 } | |
6284 } | |
6285 | |
6286 /* | |
6287 * Restore the subexpr from "bp". | |
6288 */ | |
6289 static void | |
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
6290 restore_subexpr(regbehind_T *bp) |
1579 | 6291 { |
6292 int i; | |
6293 | |
1602 | 6294 /* Only need to restore saved values when they are not to be cleared. */ |
6295 need_clear_subexpr = bp->save_need_clear_subexpr; | |
6296 if (!need_clear_subexpr) | |
1579 | 6297 { |
1602 | 6298 for (i = 0; i < NSUBEXP; ++i) |
1579 | 6299 { |
1602 | 6300 if (REG_MULTI) |
6301 { | |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
6302 rex.reg_startpos[i] = bp->save_start[i].se_u.pos; |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
6303 rex.reg_endpos[i] = bp->save_end[i].se_u.pos; |
1602 | 6304 } |
6305 else | |
6306 { | |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
6307 rex.reg_startp[i] = bp->save_start[i].se_u.ptr; |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
6308 rex.reg_endp[i] = bp->save_end[i].se_u.ptr; |
1602 | 6309 } |
1579 | 6310 } |
6311 } | |
6312 } | |
6313 | |
6314 /* | |
7 | 6315 * Advance reglnum, regline and reginput to the next line. |
6316 */ | |
6317 static void | |
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
6318 reg_nextline(void) |
7 | 6319 { |
6320 regline = reg_getline(++reglnum); | |
6321 reginput = regline; | |
6322 fast_breakcheck(); | |
6323 } | |
6324 | |
6325 /* | |
6326 * Save the input line and position in a regsave_T. | |
6327 */ | |
6328 static void | |
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
6329 reg_save(regsave_T *save, garray_T *gap) |
7 | 6330 { |
6331 if (REG_MULTI) | |
6332 { | |
6333 save->rs_u.pos.col = (colnr_T)(reginput - regline); | |
6334 save->rs_u.pos.lnum = reglnum; | |
6335 } | |
6336 else | |
6337 save->rs_u.ptr = reginput; | |
233 | 6338 save->rs_len = gap->ga_len; |
7 | 6339 } |
6340 | |
6341 /* | |
6342 * Restore the input line and position from a regsave_T. | |
6343 */ | |
6344 static void | |
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
6345 reg_restore(regsave_T *save, garray_T *gap) |
7 | 6346 { |
6347 if (REG_MULTI) | |
6348 { | |
6349 if (reglnum != save->rs_u.pos.lnum) | |
6350 { | |
6351 /* only call reg_getline() when the line number changed to save | |
6352 * a bit of time */ | |
6353 reglnum = save->rs_u.pos.lnum; | |
6354 regline = reg_getline(reglnum); | |
6355 } | |
6356 reginput = regline + save->rs_u.pos.col; | |
6357 } | |
6358 else | |
6359 reginput = save->rs_u.ptr; | |
233 | 6360 gap->ga_len = save->rs_len; |
7 | 6361 } |
6362 | |
6363 /* | |
6364 * Return TRUE if current position is equal to saved position. | |
6365 */ | |
6366 static int | |
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
6367 reg_save_equal(regsave_T *save) |
7 | 6368 { |
6369 if (REG_MULTI) | |
6370 return reglnum == save->rs_u.pos.lnum | |
6371 && reginput == regline + save->rs_u.pos.col; | |
6372 return reginput == save->rs_u.ptr; | |
6373 } | |
6374 | |
6375 /* | |
6376 * Tentatively set the sub-expression start to the current position (after | |
6377 * calling regmatch() they will have changed). Need to save the existing | |
6378 * values for when there is no match. | |
6379 * Use se_save() to use pointer (save_se_multi()) or position (save_se_one()), | |
6380 * depending on REG_MULTI. | |
6381 */ | |
6382 static void | |
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
6383 save_se_multi(save_se_T *savep, lpos_T *posp) |
7 | 6384 { |
6385 savep->se_u.pos = *posp; | |
6386 posp->lnum = reglnum; | |
6387 posp->col = (colnr_T)(reginput - regline); | |
6388 } | |
6389 | |
6390 static void | |
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
6391 save_se_one(save_se_T *savep, char_u **pp) |
7 | 6392 { |
6393 savep->se_u.ptr = *pp; | |
6394 *pp = reginput; | |
6395 } | |
6396 | |
6397 /* | |
6398 * Compare a number with the operand of RE_LNUM, RE_COL or RE_VCOL. | |
6399 */ | |
6400 static int | |
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
6401 re_num_cmp(long_u val, char_u *scan) |
7 | 6402 { |
6403 long_u n = OPERAND_MIN(scan); | |
6404 | |
6405 if (OPERAND_CMP(scan) == '>') | |
6406 return val > n; | |
6407 if (OPERAND_CMP(scan) == '<') | |
6408 return val < n; | |
6409 return val == n; | |
6410 } | |
6411 | |
4891
4c42efb4c098
updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
6412 /* |
4c42efb4c098
updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
6413 * Check whether a backreference matches. |
4c42efb4c098
updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
6414 * Returns RA_FAIL, RA_NOMATCH or RA_MATCH. |
5504 | 6415 * If "bytelen" is not NULL, it is set to the byte length of the match in the |
6416 * last line. | |
4891
4c42efb4c098
updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
6417 */ |
4c42efb4c098
updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
6418 static int |
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
6419 match_with_backref( |
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
6420 linenr_T start_lnum, |
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
6421 colnr_T start_col, |
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
6422 linenr_T end_lnum, |
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
6423 colnr_T end_col, |
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
6424 int *bytelen) |
4891
4c42efb4c098
updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
6425 { |
4c42efb4c098
updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
6426 linenr_T clnum = start_lnum; |
4c42efb4c098
updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
6427 colnr_T ccol = start_col; |
4c42efb4c098
updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
6428 int len; |
4c42efb4c098
updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
6429 char_u *p; |
4c42efb4c098
updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
6430 |
4c42efb4c098
updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
6431 if (bytelen != NULL) |
4c42efb4c098
updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
6432 *bytelen = 0; |
4c42efb4c098
updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
6433 for (;;) |
4c42efb4c098
updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
6434 { |
4c42efb4c098
updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
6435 /* Since getting one line may invalidate the other, need to make copy. |
4c42efb4c098
updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
6436 * Slow! */ |
4c42efb4c098
updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
6437 if (regline != reg_tofree) |
4c42efb4c098
updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
6438 { |
4c42efb4c098
updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
6439 len = (int)STRLEN(regline); |
4c42efb4c098
updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
6440 if (reg_tofree == NULL || len >= (int)reg_tofreelen) |
4c42efb4c098
updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
6441 { |
4c42efb4c098
updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
6442 len += 50; /* get some extra */ |
4c42efb4c098
updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
6443 vim_free(reg_tofree); |
4c42efb4c098
updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
6444 reg_tofree = alloc(len); |
4c42efb4c098
updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
6445 if (reg_tofree == NULL) |
4c42efb4c098
updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
6446 return RA_FAIL; /* out of memory!*/ |
4c42efb4c098
updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
6447 reg_tofreelen = len; |
4c42efb4c098
updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
6448 } |
4c42efb4c098
updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
6449 STRCPY(reg_tofree, regline); |
4c42efb4c098
updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
6450 reginput = reg_tofree + (reginput - regline); |
4c42efb4c098
updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
6451 regline = reg_tofree; |
4c42efb4c098
updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
6452 } |
4c42efb4c098
updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
6453 |
4c42efb4c098
updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
6454 /* Get the line to compare with. */ |
4c42efb4c098
updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
6455 p = reg_getline(clnum); |
4c42efb4c098
updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
6456 if (clnum == end_lnum) |
4c42efb4c098
updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
6457 len = end_col - ccol; |
4c42efb4c098
updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
6458 else |
4c42efb4c098
updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
6459 len = (int)STRLEN(p + ccol); |
4c42efb4c098
updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
6460 |
4c42efb4c098
updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
6461 if (cstrncmp(p + ccol, reginput, &len) != 0) |
4c42efb4c098
updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
6462 return RA_NOMATCH; /* doesn't match */ |
4c42efb4c098
updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
6463 if (bytelen != NULL) |
4c42efb4c098
updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
6464 *bytelen += len; |
4c42efb4c098
updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
6465 if (clnum == end_lnum) |
4c42efb4c098
updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
6466 break; /* match and at end! */ |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
6467 if (reglnum >= rex.reg_maxline) |
4891
4c42efb4c098
updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
6468 return RA_NOMATCH; /* text too short */ |
4c42efb4c098
updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
6469 |
4c42efb4c098
updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
6470 /* Advance to next line. */ |
4c42efb4c098
updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
6471 reg_nextline(); |
5504 | 6472 if (bytelen != NULL) |
6473 *bytelen = 0; | |
4891
4c42efb4c098
updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
6474 ++clnum; |
4c42efb4c098
updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
6475 ccol = 0; |
4c42efb4c098
updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
6476 if (got_int) |
4c42efb4c098
updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
6477 return RA_FAIL; |
4c42efb4c098
updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
6478 } |
4c42efb4c098
updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
6479 |
4c42efb4c098
updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
6480 /* found a match! Note that regline may now point to a copy of the line, |
4c42efb4c098
updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
6481 * that should not matter. */ |
4c42efb4c098
updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
6482 return RA_MATCH; |
4c42efb4c098
updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
6483 } |
7 | 6484 |
4444 | 6485 #ifdef BT_REGEXP_DUMP |
7 | 6486 |
6487 /* | |
6488 * regdump - dump a regexp onto stdout in vaguely comprehensible form | |
6489 */ | |
6490 static void | |
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
6491 regdump(char_u *pattern, bt_regprog_T *r) |
7 | 6492 { |
6493 char_u *s; | |
6494 int op = EXACTLY; /* Arbitrary non-END op. */ | |
6495 char_u *next; | |
6496 char_u *end = NULL; | |
4444 | 6497 FILE *f; |
6498 | |
6499 #ifdef BT_REGEXP_LOG | |
6500 f = fopen("bt_regexp_log.log", "a"); | |
6501 #else | |
6502 f = stdout; | |
6503 #endif | |
6504 if (f == NULL) | |
6505 return; | |
6506 fprintf(f, "-------------------------------------\n\r\nregcomp(%s):\r\n", pattern); | |
7 | 6507 |
6508 s = r->program + 1; | |
6509 /* | |
6510 * Loop until we find the END that isn't before a referred next (an END | |
6511 * can also appear in a NOMATCH operand). | |
6512 */ | |
6513 while (op != END || s <= end) | |
6514 { | |
6515 op = OP(s); | |
4444 | 6516 fprintf(f, "%2d%s", (int)(s - r->program), regprop(s)); /* Where, what. */ |
7 | 6517 next = regnext(s); |
6518 if (next == NULL) /* Next ptr. */ | |
4444 | 6519 fprintf(f, "(0)"); |
7 | 6520 else |
4444 | 6521 fprintf(f, "(%d)", (int)((s - r->program) + (next - s))); |
7 | 6522 if (end < next) |
6523 end = next; | |
6524 if (op == BRACE_LIMITS) | |
6525 { | |
4746
d1376091d18b
updated for version 7.3.1120
Bram Moolenaar <bram@vim.org>
parents:
4744
diff
changeset
|
6526 /* Two ints */ |
4444 | 6527 fprintf(f, " minval %ld, maxval %ld", OPERAND_MIN(s), OPERAND_MAX(s)); |
7 | 6528 s += 8; |
6529 } | |
4746
d1376091d18b
updated for version 7.3.1120
Bram Moolenaar <bram@vim.org>
parents:
4744
diff
changeset
|
6530 else if (op == BEHIND || op == NOBEHIND) |
d1376091d18b
updated for version 7.3.1120
Bram Moolenaar <bram@vim.org>
parents:
4744
diff
changeset
|
6531 { |
d1376091d18b
updated for version 7.3.1120
Bram Moolenaar <bram@vim.org>
parents:
4744
diff
changeset
|
6532 /* one int */ |
d1376091d18b
updated for version 7.3.1120
Bram Moolenaar <bram@vim.org>
parents:
4744
diff
changeset
|
6533 fprintf(f, " count %ld", OPERAND_MIN(s)); |
d1376091d18b
updated for version 7.3.1120
Bram Moolenaar <bram@vim.org>
parents:
4744
diff
changeset
|
6534 s += 4; |
d1376091d18b
updated for version 7.3.1120
Bram Moolenaar <bram@vim.org>
parents:
4744
diff
changeset
|
6535 } |
4770
b20dbf3a5370
updated for version 7.3.1132
Bram Moolenaar <bram@vim.org>
parents:
4762
diff
changeset
|
6536 else if (op == RE_LNUM || op == RE_COL || op == RE_VCOL) |
b20dbf3a5370
updated for version 7.3.1132
Bram Moolenaar <bram@vim.org>
parents:
4762
diff
changeset
|
6537 { |
b20dbf3a5370
updated for version 7.3.1132
Bram Moolenaar <bram@vim.org>
parents:
4762
diff
changeset
|
6538 /* one int plus comperator */ |
b20dbf3a5370
updated for version 7.3.1132
Bram Moolenaar <bram@vim.org>
parents:
4762
diff
changeset
|
6539 fprintf(f, " count %ld", OPERAND_MIN(s)); |
b20dbf3a5370
updated for version 7.3.1132
Bram Moolenaar <bram@vim.org>
parents:
4762
diff
changeset
|
6540 s += 5; |
b20dbf3a5370
updated for version 7.3.1132
Bram Moolenaar <bram@vim.org>
parents:
4762
diff
changeset
|
6541 } |
7 | 6542 s += 3; |
6543 if (op == ANYOF || op == ANYOF + ADD_NL | |
6544 || op == ANYBUT || op == ANYBUT + ADD_NL | |
6545 || op == EXACTLY) | |
6546 { | |
6547 /* Literal string, where present. */ | |
4444 | 6548 fprintf(f, "\nxxxxxxxxx\n"); |
7 | 6549 while (*s != NUL) |
4444 | 6550 fprintf(f, "%c", *s++); |
6551 fprintf(f, "\nxxxxxxxxx\n"); | |
7 | 6552 s++; |
6553 } | |
4444 | 6554 fprintf(f, "\r\n"); |
7 | 6555 } |
6556 | |
6557 /* Header fields of interest. */ | |
6558 if (r->regstart != NUL) | |
4444 | 6559 fprintf(f, "start `%s' 0x%x; ", r->regstart < 256 |
7 | 6560 ? (char *)transchar(r->regstart) |
6561 : "multibyte", r->regstart); | |
6562 if (r->reganch) | |
4444 | 6563 fprintf(f, "anchored; "); |
7 | 6564 if (r->regmust != NULL) |
4444 | 6565 fprintf(f, "must have \"%s\"", r->regmust); |
6566 fprintf(f, "\r\n"); | |
6567 | |
6568 #ifdef BT_REGEXP_LOG | |
6569 fclose(f); | |
6570 #endif | |
7 | 6571 } |
4444 | 6572 #endif /* BT_REGEXP_DUMP */ |
6573 | |
6574 #ifdef DEBUG | |
7 | 6575 /* |
6576 * regprop - printable representation of opcode | |
6577 */ | |
6578 static char_u * | |
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
6579 regprop(char_u *op) |
7 | 6580 { |
4444 | 6581 char *p; |
6582 static char buf[50]; | |
6583 | |
6584 STRCPY(buf, ":"); | |
6585 | |
6586 switch ((int) OP(op)) | |
7 | 6587 { |
6588 case BOL: | |
6589 p = "BOL"; | |
6590 break; | |
6591 case EOL: | |
6592 p = "EOL"; | |
6593 break; | |
6594 case RE_BOF: | |
6595 p = "BOF"; | |
6596 break; | |
6597 case RE_EOF: | |
6598 p = "EOF"; | |
6599 break; | |
6600 case CURSOR: | |
6601 p = "CURSOR"; | |
6602 break; | |
639 | 6603 case RE_VISUAL: |
6604 p = "RE_VISUAL"; | |
6605 break; | |
7 | 6606 case RE_LNUM: |
6607 p = "RE_LNUM"; | |
6608 break; | |
639 | 6609 case RE_MARK: |
6610 p = "RE_MARK"; | |
6611 break; | |
7 | 6612 case RE_COL: |
6613 p = "RE_COL"; | |
6614 break; | |
6615 case RE_VCOL: | |
6616 p = "RE_VCOL"; | |
6617 break; | |
6618 case BOW: | |
6619 p = "BOW"; | |
6620 break; | |
6621 case EOW: | |
6622 p = "EOW"; | |
6623 break; | |
6624 case ANY: | |
6625 p = "ANY"; | |
6626 break; | |
6627 case ANY + ADD_NL: | |
6628 p = "ANY+NL"; | |
6629 break; | |
6630 case ANYOF: | |
6631 p = "ANYOF"; | |
6632 break; | |
6633 case ANYOF + ADD_NL: | |
6634 p = "ANYOF+NL"; | |
6635 break; | |
6636 case ANYBUT: | |
6637 p = "ANYBUT"; | |
6638 break; | |
6639 case ANYBUT + ADD_NL: | |
6640 p = "ANYBUT+NL"; | |
6641 break; | |
6642 case IDENT: | |
6643 p = "IDENT"; | |
6644 break; | |
6645 case IDENT + ADD_NL: | |
6646 p = "IDENT+NL"; | |
6647 break; | |
6648 case SIDENT: | |
6649 p = "SIDENT"; | |
6650 break; | |
6651 case SIDENT + ADD_NL: | |
6652 p = "SIDENT+NL"; | |
6653 break; | |
6654 case KWORD: | |
6655 p = "KWORD"; | |
6656 break; | |
6657 case KWORD + ADD_NL: | |
6658 p = "KWORD+NL"; | |
6659 break; | |
6660 case SKWORD: | |
6661 p = "SKWORD"; | |
6662 break; | |
6663 case SKWORD + ADD_NL: | |
6664 p = "SKWORD+NL"; | |
6665 break; | |
6666 case FNAME: | |
6667 p = "FNAME"; | |
6668 break; | |
6669 case FNAME + ADD_NL: | |
6670 p = "FNAME+NL"; | |
6671 break; | |
6672 case SFNAME: | |
6673 p = "SFNAME"; | |
6674 break; | |
6675 case SFNAME + ADD_NL: | |
6676 p = "SFNAME+NL"; | |
6677 break; | |
6678 case PRINT: | |
6679 p = "PRINT"; | |
6680 break; | |
6681 case PRINT + ADD_NL: | |
6682 p = "PRINT+NL"; | |
6683 break; | |
6684 case SPRINT: | |
6685 p = "SPRINT"; | |
6686 break; | |
6687 case SPRINT + ADD_NL: | |
6688 p = "SPRINT+NL"; | |
6689 break; | |
6690 case WHITE: | |
6691 p = "WHITE"; | |
6692 break; | |
6693 case WHITE + ADD_NL: | |
6694 p = "WHITE+NL"; | |
6695 break; | |
6696 case NWHITE: | |
6697 p = "NWHITE"; | |
6698 break; | |
6699 case NWHITE + ADD_NL: | |
6700 p = "NWHITE+NL"; | |
6701 break; | |
6702 case DIGIT: | |
6703 p = "DIGIT"; | |
6704 break; | |
6705 case DIGIT + ADD_NL: | |
6706 p = "DIGIT+NL"; | |
6707 break; | |
6708 case NDIGIT: | |
6709 p = "NDIGIT"; | |
6710 break; | |
6711 case NDIGIT + ADD_NL: | |
6712 p = "NDIGIT+NL"; | |
6713 break; | |
6714 case HEX: | |
6715 p = "HEX"; | |
6716 break; | |
6717 case HEX + ADD_NL: | |
6718 p = "HEX+NL"; | |
6719 break; | |
6720 case NHEX: | |
6721 p = "NHEX"; | |
6722 break; | |
6723 case NHEX + ADD_NL: | |
6724 p = "NHEX+NL"; | |
6725 break; | |
6726 case OCTAL: | |
6727 p = "OCTAL"; | |
6728 break; | |
6729 case OCTAL + ADD_NL: | |
6730 p = "OCTAL+NL"; | |
6731 break; | |
6732 case NOCTAL: | |
6733 p = "NOCTAL"; | |
6734 break; | |
6735 case NOCTAL + ADD_NL: | |
6736 p = "NOCTAL+NL"; | |
6737 break; | |
6738 case WORD: | |
6739 p = "WORD"; | |
6740 break; | |
6741 case WORD + ADD_NL: | |
6742 p = "WORD+NL"; | |
6743 break; | |
6744 case NWORD: | |
6745 p = "NWORD"; | |
6746 break; | |
6747 case NWORD + ADD_NL: | |
6748 p = "NWORD+NL"; | |
6749 break; | |
6750 case HEAD: | |
6751 p = "HEAD"; | |
6752 break; | |
6753 case HEAD + ADD_NL: | |
6754 p = "HEAD+NL"; | |
6755 break; | |
6756 case NHEAD: | |
6757 p = "NHEAD"; | |
6758 break; | |
6759 case NHEAD + ADD_NL: | |
6760 p = "NHEAD+NL"; | |
6761 break; | |
6762 case ALPHA: | |
6763 p = "ALPHA"; | |
6764 break; | |
6765 case ALPHA + ADD_NL: | |
6766 p = "ALPHA+NL"; | |
6767 break; | |
6768 case NALPHA: | |
6769 p = "NALPHA"; | |
6770 break; | |
6771 case NALPHA + ADD_NL: | |
6772 p = "NALPHA+NL"; | |
6773 break; | |
6774 case LOWER: | |
6775 p = "LOWER"; | |
6776 break; | |
6777 case LOWER + ADD_NL: | |
6778 p = "LOWER+NL"; | |
6779 break; | |
6780 case NLOWER: | |
6781 p = "NLOWER"; | |
6782 break; | |
6783 case NLOWER + ADD_NL: | |
6784 p = "NLOWER+NL"; | |
6785 break; | |
6786 case UPPER: | |
6787 p = "UPPER"; | |
6788 break; | |
6789 case UPPER + ADD_NL: | |
6790 p = "UPPER+NL"; | |
6791 break; | |
6792 case NUPPER: | |
6793 p = "NUPPER"; | |
6794 break; | |
6795 case NUPPER + ADD_NL: | |
6796 p = "NUPPER+NL"; | |
6797 break; | |
6798 case BRANCH: | |
6799 p = "BRANCH"; | |
6800 break; | |
6801 case EXACTLY: | |
6802 p = "EXACTLY"; | |
6803 break; | |
6804 case NOTHING: | |
6805 p = "NOTHING"; | |
6806 break; | |
6807 case BACK: | |
6808 p = "BACK"; | |
6809 break; | |
6810 case END: | |
6811 p = "END"; | |
6812 break; | |
6813 case MOPEN + 0: | |
6814 p = "MATCH START"; | |
6815 break; | |
6816 case MOPEN + 1: | |
6817 case MOPEN + 2: | |
6818 case MOPEN + 3: | |
6819 case MOPEN + 4: | |
6820 case MOPEN + 5: | |
6821 case MOPEN + 6: | |
6822 case MOPEN + 7: | |
6823 case MOPEN + 8: | |
6824 case MOPEN + 9: | |
6825 sprintf(buf + STRLEN(buf), "MOPEN%d", OP(op) - MOPEN); | |
6826 p = NULL; | |
6827 break; | |
6828 case MCLOSE + 0: | |
6829 p = "MATCH END"; | |
6830 break; | |
6831 case MCLOSE + 1: | |
6832 case MCLOSE + 2: | |
6833 case MCLOSE + 3: | |
6834 case MCLOSE + 4: | |
6835 case MCLOSE + 5: | |
6836 case MCLOSE + 6: | |
6837 case MCLOSE + 7: | |
6838 case MCLOSE + 8: | |
6839 case MCLOSE + 9: | |
6840 sprintf(buf + STRLEN(buf), "MCLOSE%d", OP(op) - MCLOSE); | |
6841 p = NULL; | |
6842 break; | |
6843 case BACKREF + 1: | |
6844 case BACKREF + 2: | |
6845 case BACKREF + 3: | |
6846 case BACKREF + 4: | |
6847 case BACKREF + 5: | |
6848 case BACKREF + 6: | |
6849 case BACKREF + 7: | |
6850 case BACKREF + 8: | |
6851 case BACKREF + 9: | |
6852 sprintf(buf + STRLEN(buf), "BACKREF%d", OP(op) - BACKREF); | |
6853 p = NULL; | |
6854 break; | |
6855 case NOPEN: | |
6856 p = "NOPEN"; | |
6857 break; | |
6858 case NCLOSE: | |
6859 p = "NCLOSE"; | |
6860 break; | |
6861 #ifdef FEAT_SYN_HL | |
6862 case ZOPEN + 1: | |
6863 case ZOPEN + 2: | |
6864 case ZOPEN + 3: | |
6865 case ZOPEN + 4: | |
6866 case ZOPEN + 5: | |
6867 case ZOPEN + 6: | |
6868 case ZOPEN + 7: | |
6869 case ZOPEN + 8: | |
6870 case ZOPEN + 9: | |
6871 sprintf(buf + STRLEN(buf), "ZOPEN%d", OP(op) - ZOPEN); | |
6872 p = NULL; | |
6873 break; | |
6874 case ZCLOSE + 1: | |
6875 case ZCLOSE + 2: | |
6876 case ZCLOSE + 3: | |
6877 case ZCLOSE + 4: | |
6878 case ZCLOSE + 5: | |
6879 case ZCLOSE + 6: | |
6880 case ZCLOSE + 7: | |
6881 case ZCLOSE + 8: | |
6882 case ZCLOSE + 9: | |
6883 sprintf(buf + STRLEN(buf), "ZCLOSE%d", OP(op) - ZCLOSE); | |
6884 p = NULL; | |
6885 break; | |
6886 case ZREF + 1: | |
6887 case ZREF + 2: | |
6888 case ZREF + 3: | |
6889 case ZREF + 4: | |
6890 case ZREF + 5: | |
6891 case ZREF + 6: | |
6892 case ZREF + 7: | |
6893 case ZREF + 8: | |
6894 case ZREF + 9: | |
6895 sprintf(buf + STRLEN(buf), "ZREF%d", OP(op) - ZREF); | |
6896 p = NULL; | |
6897 break; | |
6898 #endif | |
6899 case STAR: | |
6900 p = "STAR"; | |
6901 break; | |
6902 case PLUS: | |
6903 p = "PLUS"; | |
6904 break; | |
6905 case NOMATCH: | |
6906 p = "NOMATCH"; | |
6907 break; | |
6908 case MATCH: | |
6909 p = "MATCH"; | |
6910 break; | |
6911 case BEHIND: | |
6912 p = "BEHIND"; | |
6913 break; | |
6914 case NOBEHIND: | |
6915 p = "NOBEHIND"; | |
6916 break; | |
6917 case SUBPAT: | |
6918 p = "SUBPAT"; | |
6919 break; | |
6920 case BRACE_LIMITS: | |
6921 p = "BRACE_LIMITS"; | |
6922 break; | |
6923 case BRACE_SIMPLE: | |
6924 p = "BRACE_SIMPLE"; | |
6925 break; | |
6926 case BRACE_COMPLEX + 0: | |
6927 case BRACE_COMPLEX + 1: | |
6928 case BRACE_COMPLEX + 2: | |
6929 case BRACE_COMPLEX + 3: | |
6930 case BRACE_COMPLEX + 4: | |
6931 case BRACE_COMPLEX + 5: | |
6932 case BRACE_COMPLEX + 6: | |
6933 case BRACE_COMPLEX + 7: | |
6934 case BRACE_COMPLEX + 8: | |
6935 case BRACE_COMPLEX + 9: | |
6936 sprintf(buf + STRLEN(buf), "BRACE_COMPLEX%d", OP(op) - BRACE_COMPLEX); | |
6937 p = NULL; | |
6938 break; | |
6939 #ifdef FEAT_MBYTE | |
6940 case MULTIBYTECODE: | |
6941 p = "MULTIBYTECODE"; | |
6942 break; | |
6943 #endif | |
6944 case NEWL: | |
6945 p = "NEWL"; | |
6946 break; | |
6947 default: | |
6948 sprintf(buf + STRLEN(buf), "corrupt %d", OP(op)); | |
6949 p = NULL; | |
6950 break; | |
6951 } | |
6952 if (p != NULL) | |
4444 | 6953 STRCAT(buf, p); |
6954 return (char_u *)buf; | |
7 | 6955 } |
4444 | 6956 #endif /* DEBUG */ |
7 | 6957 |
6203 | 6958 /* |
6959 * Used in a place where no * or \+ can follow. | |
6960 */ | |
6961 static int | |
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
6962 re_mult_next(char *what) |
6203 | 6963 { |
6964 if (re_multi_type(peekchr()) == MULTI_MULT) | |
6965 EMSG2_RET_FAIL(_("E888: (NFA regexp) cannot repeat %s"), what); | |
6966 return OK; | |
6967 } | |
6968 | |
7 | 6969 #ifdef FEAT_MBYTE |
7805
0b6c37dd858d
commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077
Christian Brabandt <cb@256bit.org>
parents:
7009
diff
changeset
|
6970 static void mb_decompose(int c, int *c1, int *c2, int *c3); |
7 | 6971 |
6972 typedef struct | |
6973 { | |
6974 int a, b, c; | |
6975 } decomp_T; | |
6976 | |
6977 | |
6978 /* 0xfb20 - 0xfb4f */ | |
297 | 6979 static decomp_T decomp_table[0xfb4f-0xfb20+1] = |
7 | 6980 { |
6981 {0x5e2,0,0}, /* 0xfb20 alt ayin */ | |
6982 {0x5d0,0,0}, /* 0xfb21 alt alef */ | |
6983 {0x5d3,0,0}, /* 0xfb22 alt dalet */ | |
6984 {0x5d4,0,0}, /* 0xfb23 alt he */ | |
6985 {0x5db,0,0}, /* 0xfb24 alt kaf */ | |
6986 {0x5dc,0,0}, /* 0xfb25 alt lamed */ | |
6987 {0x5dd,0,0}, /* 0xfb26 alt mem-sofit */ | |
6988 {0x5e8,0,0}, /* 0xfb27 alt resh */ | |
6989 {0x5ea,0,0}, /* 0xfb28 alt tav */ | |
6990 {'+', 0, 0}, /* 0xfb29 alt plus */ | |
6991 {0x5e9, 0x5c1, 0}, /* 0xfb2a shin+shin-dot */ | |
6992 {0x5e9, 0x5c2, 0}, /* 0xfb2b shin+sin-dot */ | |
6993 {0x5e9, 0x5c1, 0x5bc}, /* 0xfb2c shin+shin-dot+dagesh */ | |
6994 {0x5e9, 0x5c2, 0x5bc}, /* 0xfb2d shin+sin-dot+dagesh */ | |
6995 {0x5d0, 0x5b7, 0}, /* 0xfb2e alef+patah */ | |
6996 {0x5d0, 0x5b8, 0}, /* 0xfb2f alef+qamats */ | |
6997 {0x5d0, 0x5b4, 0}, /* 0xfb30 alef+hiriq */ | |
6998 {0x5d1, 0x5bc, 0}, /* 0xfb31 bet+dagesh */ | |
6999 {0x5d2, 0x5bc, 0}, /* 0xfb32 gimel+dagesh */ | |
7000 {0x5d3, 0x5bc, 0}, /* 0xfb33 dalet+dagesh */ | |
7001 {0x5d4, 0x5bc, 0}, /* 0xfb34 he+dagesh */ | |
7002 {0x5d5, 0x5bc, 0}, /* 0xfb35 vav+dagesh */ | |
7003 {0x5d6, 0x5bc, 0}, /* 0xfb36 zayin+dagesh */ | |
7004 {0xfb37, 0, 0}, /* 0xfb37 -- UNUSED */ | |
7005 {0x5d8, 0x5bc, 0}, /* 0xfb38 tet+dagesh */ | |
7006 {0x5d9, 0x5bc, 0}, /* 0xfb39 yud+dagesh */ | |
7007 {0x5da, 0x5bc, 0}, /* 0xfb3a kaf sofit+dagesh */ | |
7008 {0x5db, 0x5bc, 0}, /* 0xfb3b kaf+dagesh */ | |
7009 {0x5dc, 0x5bc, 0}, /* 0xfb3c lamed+dagesh */ | |
7010 {0xfb3d, 0, 0}, /* 0xfb3d -- UNUSED */ | |
7011 {0x5de, 0x5bc, 0}, /* 0xfb3e mem+dagesh */ | |
7012 {0xfb3f, 0, 0}, /* 0xfb3f -- UNUSED */ | |
7013 {0x5e0, 0x5bc, 0}, /* 0xfb40 nun+dagesh */ | |
7014 {0x5e1, 0x5bc, 0}, /* 0xfb41 samech+dagesh */ | |
7015 {0xfb42, 0, 0}, /* 0xfb42 -- UNUSED */ | |
7016 {0x5e3, 0x5bc, 0}, /* 0xfb43 pe sofit+dagesh */ | |
7017 {0x5e4, 0x5bc,0}, /* 0xfb44 pe+dagesh */ | |
7018 {0xfb45, 0, 0}, /* 0xfb45 -- UNUSED */ | |
7019 {0x5e6, 0x5bc, 0}, /* 0xfb46 tsadi+dagesh */ | |
7020 {0x5e7, 0x5bc, 0}, /* 0xfb47 qof+dagesh */ | |
7021 {0x5e8, 0x5bc, 0}, /* 0xfb48 resh+dagesh */ | |
7022 {0x5e9, 0x5bc, 0}, /* 0xfb49 shin+dagesh */ | |
7023 {0x5ea, 0x5bc, 0}, /* 0xfb4a tav+dagesh */ | |
7024 {0x5d5, 0x5b9, 0}, /* 0xfb4b vav+holam */ | |
7025 {0x5d1, 0x5bf, 0}, /* 0xfb4c bet+rafe */ | |
7026 {0x5db, 0x5bf, 0}, /* 0xfb4d kaf+rafe */ | |
7027 {0x5e4, 0x5bf, 0}, /* 0xfb4e pe+rafe */ | |
7028 {0x5d0, 0x5dc, 0} /* 0xfb4f alef-lamed */ | |
7029 }; | |
7030 | |
7031 static void | |
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
7032 mb_decompose(int c, int *c1, int *c2, int *c3) |
7 | 7033 { |
7034 decomp_T d; | |
7035 | |
4505
d037b9cbdaaa
updated for version 7.3.1000
Bram Moolenaar <bram@vim.org>
parents:
4466
diff
changeset
|
7036 if (c >= 0xfb20 && c <= 0xfb4f) |
7 | 7037 { |
7038 d = decomp_table[c - 0xfb20]; | |
7039 *c1 = d.a; | |
7040 *c2 = d.b; | |
7041 *c3 = d.c; | |
7042 } | |
7043 else | |
7044 { | |
7045 *c1 = c; | |
7046 *c2 = *c3 = 0; | |
7047 } | |
7048 } | |
7049 #endif | |
7050 | |
7051 /* | |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
7052 * Compare two strings, ignore case if rex.reg_ic set. |
7 | 7053 * Return 0 if strings match, non-zero otherwise. |
7054 * Correct the length "*n" when composing characters are ignored. | |
7055 */ | |
7056 static int | |
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
7057 cstrncmp(char_u *s1, char_u *s2, int *n) |
7 | 7058 { |
7059 int result; | |
7060 | |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
7061 if (!rex.reg_ic) |
7 | 7062 result = STRNCMP(s1, s2, *n); |
7063 else | |
7064 result = MB_STRNICMP(s1, s2, *n); | |
7065 | |
7066 #ifdef FEAT_MBYTE | |
7067 /* 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
|
7068 if (result != 0 && enc_utf8 && rex.reg_icombine) |
7 | 7069 { |
7070 char_u *str1, *str2; | |
7071 int c1, c2, c11, c12; | |
7072 int junk; | |
7073 | |
7074 /* we have to handle the strcmp ourselves, since it is necessary to | |
7075 * deal with the composing characters by ignoring them: */ | |
7076 str1 = s1; | |
7077 str2 = s2; | |
7078 c1 = c2 = 0; | |
507 | 7079 while ((int)(str1 - s1) < *n) |
7 | 7080 { |
7081 c1 = mb_ptr2char_adv(&str1); | |
7082 c2 = mb_ptr2char_adv(&str2); | |
7083 | |
7084 /* decompose the character if necessary, into 'base' characters | |
7085 * because I don't care about Arabic, I will hard-code the Hebrew | |
7086 * which I *do* care about! So sue me... */ | |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
7087 if (c1 != c2 && (!rex.reg_ic || utf_fold(c1) != utf_fold(c2))) |
7 | 7088 { |
7089 /* decomposition necessary? */ | |
7090 mb_decompose(c1, &c11, &junk, &junk); | |
7091 mb_decompose(c2, &c12, &junk, &junk); | |
7092 c1 = c11; | |
7093 c2 = c12; | |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
7094 if (c11 != c12 |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
7095 && (!rex.reg_ic || utf_fold(c11) != utf_fold(c12))) |
7 | 7096 break; |
7097 } | |
7098 } | |
7099 result = c2 - c1; | |
7100 if (result == 0) | |
7101 *n = (int)(str2 - s2); | |
7102 } | |
7103 #endif | |
7104 | |
7105 return result; | |
7106 } | |
7107 | |
7108 /* | |
7109 * cstrchr: This function is used a lot for simple searches, keep it fast! | |
7110 */ | |
7111 static char_u * | |
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
7112 cstrchr(char_u *s, int c) |
7 | 7113 { |
7114 char_u *p; | |
7115 int cc; | |
7116 | |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
7117 if (!rex.reg_ic |
7 | 7118 #ifdef FEAT_MBYTE |
7119 || (!enc_utf8 && mb_char2len(c) > 1) | |
7120 #endif | |
7121 ) | |
7122 return vim_strchr(s, c); | |
7123 | |
7124 /* tolower() and toupper() can be slow, comparing twice should be a lot | |
7125 * faster (esp. when using MS Visual C++!). | |
7126 * For UTF-8 need to use folded case. */ | |
7127 #ifdef FEAT_MBYTE | |
7128 if (enc_utf8 && c > 0x80) | |
7129 cc = utf_fold(c); | |
7130 else | |
7131 #endif | |
1347 | 7132 if (MB_ISUPPER(c)) |
7133 cc = MB_TOLOWER(c); | |
7134 else if (MB_ISLOWER(c)) | |
7135 cc = MB_TOUPPER(c); | |
7 | 7136 else |
7137 return vim_strchr(s, c); | |
7138 | |
7139 #ifdef FEAT_MBYTE | |
7140 if (has_mbyte) | |
7141 { | |
474 | 7142 for (p = s; *p != NUL; p += (*mb_ptr2len)(p)) |
7 | 7143 { |
7144 if (enc_utf8 && c > 0x80) | |
7145 { | |
7146 if (utf_fold(utf_ptr2char(p)) == cc) | |
7147 return p; | |
7148 } | |
7149 else if (*p == c || *p == cc) | |
7150 return p; | |
7151 } | |
7152 } | |
7153 else | |
7154 #endif | |
7155 /* Faster version for when there are no multi-byte characters. */ | |
7156 for (p = s; *p != NUL; ++p) | |
7157 if (*p == c || *p == cc) | |
7158 return p; | |
7159 | |
7160 return NULL; | |
7161 } | |
7162 | |
7163 /*************************************************************** | |
7164 * regsub stuff * | |
7165 ***************************************************************/ | |
7166 | |
7167 /* | |
7168 * We should define ftpr as a pointer to a function returning a pointer to | |
7169 * a function returning a pointer to a function ... | |
7170 * This is impossible, so we declare a pointer to a function returning a | |
7171 * pointer to a function returning void. This should work for all compilers. | |
7172 */ | |
7805
0b6c37dd858d
commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077
Christian Brabandt <cb@256bit.org>
parents:
7009
diff
changeset
|
7173 typedef void (*(*fptr_T)(int *, int))(); |
0b6c37dd858d
commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077
Christian Brabandt <cb@256bit.org>
parents:
7009
diff
changeset
|
7174 |
0b6c37dd858d
commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077
Christian Brabandt <cb@256bit.org>
parents:
7009
diff
changeset
|
7175 static fptr_T do_upper(int *, int); |
0b6c37dd858d
commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077
Christian Brabandt <cb@256bit.org>
parents:
7009
diff
changeset
|
7176 static fptr_T do_Upper(int *, int); |
0b6c37dd858d
commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077
Christian Brabandt <cb@256bit.org>
parents:
7009
diff
changeset
|
7177 static fptr_T do_lower(int *, int); |
0b6c37dd858d
commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077
Christian Brabandt <cb@256bit.org>
parents:
7009
diff
changeset
|
7178 static fptr_T do_Lower(int *, int); |
0b6c37dd858d
commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077
Christian Brabandt <cb@256bit.org>
parents:
7009
diff
changeset
|
7179 |
9589
bf204ab1ce7d
commit https://github.com/vim/vim/commit/72ab729c3dcdea0fba44d8e676602c847e841bcd
Christian Brabandt <cb@256bit.org>
parents:
9015
diff
changeset
|
7180 static int vim_regsub_both(char_u *source, typval_T *expr, char_u *dest, int copy, int magic, int backslash); |
7 | 7181 |
772 | 7182 static fptr_T |
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
7183 do_upper(int *d, int c) |
7 | 7184 { |
772 | 7185 *d = MB_TOUPPER(c); |
7186 | |
7187 return (fptr_T)NULL; | |
7 | 7188 } |
7189 | |
772 | 7190 static fptr_T |
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
7191 do_Upper(int *d, int c) |
7 | 7192 { |
772 | 7193 *d = MB_TOUPPER(c); |
7194 | |
7195 return (fptr_T)do_Upper; | |
7196 } | |
7197 | |
7198 static fptr_T | |
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
7199 do_lower(int *d, int c) |
772 | 7200 { |
7201 *d = MB_TOLOWER(c); | |
7202 | |
7203 return (fptr_T)NULL; | |
7204 } | |
7205 | |
7206 static fptr_T | |
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
7207 do_Lower(int *d, int c) |
772 | 7208 { |
7209 *d = MB_TOLOWER(c); | |
7210 | |
7211 return (fptr_T)do_Lower; | |
7 | 7212 } |
7213 | |
7214 /* | |
7215 * regtilde(): Replace tildes in the pattern by the old pattern. | |
7216 * | |
7217 * Short explanation of the tilde: It stands for the previous replacement | |
7218 * pattern. If that previous pattern also contains a ~ we should go back a | |
7219 * step further... But we insert the previous pattern into the current one | |
7220 * and remember that. | |
772 | 7221 * This still does not handle the case where "magic" changes. So require the |
7222 * user to keep his hands off of "magic". | |
7 | 7223 * |
7224 * The tildes are parsed once before the first call to vim_regsub(). | |
7225 */ | |
7226 char_u * | |
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
7227 regtilde(char_u *source, int magic) |
7 | 7228 { |
7229 char_u *newsub = source; | |
7230 char_u *tmpsub; | |
7231 char_u *p; | |
7232 int len; | |
7233 int prevlen; | |
7234 | |
7235 for (p = newsub; *p; ++p) | |
7236 { | |
7237 if ((*p == '~' && magic) || (*p == '\\' && *(p + 1) == '~' && !magic)) | |
7238 { | |
7239 if (reg_prev_sub != NULL) | |
7240 { | |
7241 /* length = len(newsub) - 1 + len(prev_sub) + 1 */ | |
7242 prevlen = (int)STRLEN(reg_prev_sub); | |
7243 tmpsub = alloc((unsigned)(STRLEN(newsub) + prevlen)); | |
7244 if (tmpsub != NULL) | |
7245 { | |
7246 /* copy prefix */ | |
7247 len = (int)(p - newsub); /* not including ~ */ | |
7248 mch_memmove(tmpsub, newsub, (size_t)len); | |
1209 | 7249 /* interpret tilde */ |
7 | 7250 mch_memmove(tmpsub + len, reg_prev_sub, (size_t)prevlen); |
7251 /* copy postfix */ | |
7252 if (!magic) | |
7253 ++p; /* back off \ */ | |
7254 STRCPY(tmpsub + len + prevlen, p + 1); | |
7255 | |
7256 if (newsub != source) /* already allocated newsub */ | |
7257 vim_free(newsub); | |
7258 newsub = tmpsub; | |
7259 p = newsub + len + prevlen; | |
7260 } | |
7261 } | |
7262 else if (magic) | |
1621 | 7263 STRMOVE(p, p + 1); /* remove '~' */ |
7 | 7264 else |
1621 | 7265 STRMOVE(p, p + 2); /* remove '\~' */ |
7 | 7266 --p; |
7267 } | |
7268 else | |
7269 { | |
7270 if (*p == '\\' && p[1]) /* skip escaped characters */ | |
7271 ++p; | |
7272 #ifdef FEAT_MBYTE | |
7273 if (has_mbyte) | |
474 | 7274 p += (*mb_ptr2len)(p) - 1; |
7 | 7275 #endif |
7276 } | |
7277 } | |
7278 | |
7279 vim_free(reg_prev_sub); | |
7280 if (newsub != source) /* newsub was allocated, just keep it */ | |
7281 reg_prev_sub = newsub; | |
7282 else /* no ~ found, need to save newsub */ | |
7283 reg_prev_sub = vim_strsave(newsub); | |
7284 return newsub; | |
7285 } | |
7286 | |
7287 #ifdef FEAT_EVAL | |
7288 static int can_f_submatch = FALSE; /* TRUE when submatch() can be used */ | |
7289 | |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
7290 /* These pointers are used for reg_submatch(). Needed for when the |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
7291 * substitution string is an expression that contains a call to substitute() |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
7292 * and submatch(). */ |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
7293 typedef struct { |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
7294 regmatch_T *sm_match; |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
7295 regmmatch_T *sm_mmatch; |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
7296 linenr_T sm_firstlnum; |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
7297 linenr_T sm_maxline; |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
7298 int sm_line_lbr; |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
7299 } regsubmatch_T; |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
7300 |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
7301 static regsubmatch_T rsm; /* can only be used when can_f_submatch is TRUE */ |
7 | 7302 #endif |
7303 | |
7304 #if defined(FEAT_MODIFY_FNAME) || defined(FEAT_EVAL) || defined(PROTO) | |
9626
172131507c85
commit https://github.com/vim/vim/commit/df48fb456fb6bf63d94cad9b302ff01d8ee8d311
Christian Brabandt <cb@256bit.org>
parents:
9589
diff
changeset
|
7305 |
172131507c85
commit https://github.com/vim/vim/commit/df48fb456fb6bf63d94cad9b302ff01d8ee8d311
Christian Brabandt <cb@256bit.org>
parents:
9589
diff
changeset
|
7306 /* |
172131507c85
commit https://github.com/vim/vim/commit/df48fb456fb6bf63d94cad9b302ff01d8ee8d311
Christian Brabandt <cb@256bit.org>
parents:
9589
diff
changeset
|
7307 * Put the submatches in "argv[0]" which is a list passed into call_func() by |
172131507c85
commit https://github.com/vim/vim/commit/df48fb456fb6bf63d94cad9b302ff01d8ee8d311
Christian Brabandt <cb@256bit.org>
parents:
9589
diff
changeset
|
7308 * vim_regsub_both(). |
172131507c85
commit https://github.com/vim/vim/commit/df48fb456fb6bf63d94cad9b302ff01d8ee8d311
Christian Brabandt <cb@256bit.org>
parents:
9589
diff
changeset
|
7309 */ |
172131507c85
commit https://github.com/vim/vim/commit/df48fb456fb6bf63d94cad9b302ff01d8ee8d311
Christian Brabandt <cb@256bit.org>
parents:
9589
diff
changeset
|
7310 static int |
172131507c85
commit https://github.com/vim/vim/commit/df48fb456fb6bf63d94cad9b302ff01d8ee8d311
Christian Brabandt <cb@256bit.org>
parents:
9589
diff
changeset
|
7311 fill_submatch_list(int argc UNUSED, typval_T *argv, int argcount) |
172131507c85
commit https://github.com/vim/vim/commit/df48fb456fb6bf63d94cad9b302ff01d8ee8d311
Christian Brabandt <cb@256bit.org>
parents:
9589
diff
changeset
|
7312 { |
172131507c85
commit https://github.com/vim/vim/commit/df48fb456fb6bf63d94cad9b302ff01d8ee8d311
Christian Brabandt <cb@256bit.org>
parents:
9589
diff
changeset
|
7313 listitem_T *li; |
172131507c85
commit https://github.com/vim/vim/commit/df48fb456fb6bf63d94cad9b302ff01d8ee8d311
Christian Brabandt <cb@256bit.org>
parents:
9589
diff
changeset
|
7314 int i; |
172131507c85
commit https://github.com/vim/vim/commit/df48fb456fb6bf63d94cad9b302ff01d8ee8d311
Christian Brabandt <cb@256bit.org>
parents:
9589
diff
changeset
|
7315 char_u *s; |
172131507c85
commit https://github.com/vim/vim/commit/df48fb456fb6bf63d94cad9b302ff01d8ee8d311
Christian Brabandt <cb@256bit.org>
parents:
9589
diff
changeset
|
7316 |
172131507c85
commit https://github.com/vim/vim/commit/df48fb456fb6bf63d94cad9b302ff01d8ee8d311
Christian Brabandt <cb@256bit.org>
parents:
9589
diff
changeset
|
7317 if (argcount == 0) |
172131507c85
commit https://github.com/vim/vim/commit/df48fb456fb6bf63d94cad9b302ff01d8ee8d311
Christian Brabandt <cb@256bit.org>
parents:
9589
diff
changeset
|
7318 /* called function doesn't take an argument */ |
172131507c85
commit https://github.com/vim/vim/commit/df48fb456fb6bf63d94cad9b302ff01d8ee8d311
Christian Brabandt <cb@256bit.org>
parents:
9589
diff
changeset
|
7319 return 0; |
172131507c85
commit https://github.com/vim/vim/commit/df48fb456fb6bf63d94cad9b302ff01d8ee8d311
Christian Brabandt <cb@256bit.org>
parents:
9589
diff
changeset
|
7320 |
172131507c85
commit https://github.com/vim/vim/commit/df48fb456fb6bf63d94cad9b302ff01d8ee8d311
Christian Brabandt <cb@256bit.org>
parents:
9589
diff
changeset
|
7321 /* Relies on sl_list to be the first item in staticList10_T. */ |
172131507c85
commit https://github.com/vim/vim/commit/df48fb456fb6bf63d94cad9b302ff01d8ee8d311
Christian Brabandt <cb@256bit.org>
parents:
9589
diff
changeset
|
7322 init_static_list((staticList10_T *)(argv->vval.v_list)); |
172131507c85
commit https://github.com/vim/vim/commit/df48fb456fb6bf63d94cad9b302ff01d8ee8d311
Christian Brabandt <cb@256bit.org>
parents:
9589
diff
changeset
|
7323 |
172131507c85
commit https://github.com/vim/vim/commit/df48fb456fb6bf63d94cad9b302ff01d8ee8d311
Christian Brabandt <cb@256bit.org>
parents:
9589
diff
changeset
|
7324 /* There are always 10 list items in staticList10_T. */ |
172131507c85
commit https://github.com/vim/vim/commit/df48fb456fb6bf63d94cad9b302ff01d8ee8d311
Christian Brabandt <cb@256bit.org>
parents:
9589
diff
changeset
|
7325 li = argv->vval.v_list->lv_first; |
172131507c85
commit https://github.com/vim/vim/commit/df48fb456fb6bf63d94cad9b302ff01d8ee8d311
Christian Brabandt <cb@256bit.org>
parents:
9589
diff
changeset
|
7326 for (i = 0; i < 10; ++i) |
172131507c85
commit https://github.com/vim/vim/commit/df48fb456fb6bf63d94cad9b302ff01d8ee8d311
Christian Brabandt <cb@256bit.org>
parents:
9589
diff
changeset
|
7327 { |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
7328 s = rsm.sm_match->startp[i]; |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
7329 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
|
7330 s = NULL; |
172131507c85
commit https://github.com/vim/vim/commit/df48fb456fb6bf63d94cad9b302ff01d8ee8d311
Christian Brabandt <cb@256bit.org>
parents:
9589
diff
changeset
|
7331 else |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
7332 s = vim_strnsave(s, (int)(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
|
7333 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
|
7334 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
|
7335 li = li->li_next; |
172131507c85
commit https://github.com/vim/vim/commit/df48fb456fb6bf63d94cad9b302ff01d8ee8d311
Christian Brabandt <cb@256bit.org>
parents:
9589
diff
changeset
|
7336 } |
172131507c85
commit https://github.com/vim/vim/commit/df48fb456fb6bf63d94cad9b302ff01d8ee8d311
Christian Brabandt <cb@256bit.org>
parents:
9589
diff
changeset
|
7337 return 1; |
172131507c85
commit https://github.com/vim/vim/commit/df48fb456fb6bf63d94cad9b302ff01d8ee8d311
Christian Brabandt <cb@256bit.org>
parents:
9589
diff
changeset
|
7338 } |
172131507c85
commit https://github.com/vim/vim/commit/df48fb456fb6bf63d94cad9b302ff01d8ee8d311
Christian Brabandt <cb@256bit.org>
parents:
9589
diff
changeset
|
7339 |
172131507c85
commit https://github.com/vim/vim/commit/df48fb456fb6bf63d94cad9b302ff01d8ee8d311
Christian Brabandt <cb@256bit.org>
parents:
9589
diff
changeset
|
7340 static void |
172131507c85
commit https://github.com/vim/vim/commit/df48fb456fb6bf63d94cad9b302ff01d8ee8d311
Christian Brabandt <cb@256bit.org>
parents:
9589
diff
changeset
|
7341 clear_submatch_list(staticList10_T *sl) |
172131507c85
commit https://github.com/vim/vim/commit/df48fb456fb6bf63d94cad9b302ff01d8ee8d311
Christian Brabandt <cb@256bit.org>
parents:
9589
diff
changeset
|
7342 { |
172131507c85
commit https://github.com/vim/vim/commit/df48fb456fb6bf63d94cad9b302ff01d8ee8d311
Christian Brabandt <cb@256bit.org>
parents:
9589
diff
changeset
|
7343 int i; |
172131507c85
commit https://github.com/vim/vim/commit/df48fb456fb6bf63d94cad9b302ff01d8ee8d311
Christian Brabandt <cb@256bit.org>
parents:
9589
diff
changeset
|
7344 |
172131507c85
commit https://github.com/vim/vim/commit/df48fb456fb6bf63d94cad9b302ff01d8ee8d311
Christian Brabandt <cb@256bit.org>
parents:
9589
diff
changeset
|
7345 for (i = 0; i < 10; ++i) |
172131507c85
commit https://github.com/vim/vim/commit/df48fb456fb6bf63d94cad9b302ff01d8ee8d311
Christian Brabandt <cb@256bit.org>
parents:
9589
diff
changeset
|
7346 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
|
7347 } |
172131507c85
commit https://github.com/vim/vim/commit/df48fb456fb6bf63d94cad9b302ff01d8ee8d311
Christian Brabandt <cb@256bit.org>
parents:
9589
diff
changeset
|
7348 |
7 | 7349 /* |
7350 * vim_regsub() - perform substitutions after a vim_regexec() or | |
7351 * vim_regexec_multi() match. | |
7352 * | |
7353 * If "copy" is TRUE really copy into "dest". | |
7354 * If "copy" is FALSE nothing is copied, this is just to find out the length | |
7355 * of the result. | |
7356 * | |
7357 * If "backslash" is TRUE, a backslash will be removed later, need to double | |
7358 * them to keep them, and insert a backslash before a CR to avoid it being | |
7359 * replaced with a line break later. | |
7360 * | |
7361 * Note: The matched text must not change between the call of | |
7362 * vim_regexec()/vim_regexec_multi() and vim_regsub()! It would make the back | |
7363 * references invalid! | |
7364 * | |
7365 * Returns the size of the replacement, including terminating NUL. | |
7366 */ | |
7367 int | |
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
7368 vim_regsub( |
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
7369 regmatch_T *rmp, |
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
7370 char_u *source, |
9589
bf204ab1ce7d
commit https://github.com/vim/vim/commit/72ab729c3dcdea0fba44d8e676602c847e841bcd
Christian Brabandt <cb@256bit.org>
parents:
9015
diff
changeset
|
7371 typval_T *expr, |
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
7372 char_u *dest, |
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
7373 int copy, |
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
7374 int magic, |
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
7375 int backslash) |
7 | 7376 { |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
7377 int result; |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
7378 regexec_T rex_save; |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
7379 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
|
7380 |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
7381 if (rex_in_use) |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
7382 /* Being called recursively, save the state. */ |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
7383 rex_save = rex; |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
7384 rex_in_use = TRUE; |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
7385 |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
7386 rex.reg_match = rmp; |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
7387 rex.reg_mmatch = NULL; |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
7388 rex.reg_maxline = 0; |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
7389 rex.reg_buf = curbuf; |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
7390 rex.reg_line_lbr = TRUE; |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
7391 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
|
7392 |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
7393 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
|
7394 if (rex_in_use) |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
7395 rex = rex_save; |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
7396 |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
7397 return result; |
7 | 7398 } |
7399 #endif | |
7400 | |
7401 int | |
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
7402 vim_regsub_multi( |
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
7403 regmmatch_T *rmp, |
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
7404 linenr_T lnum, |
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
7405 char_u *source, |
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
7406 char_u *dest, |
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
7407 int copy, |
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
7408 int magic, |
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
7409 int backslash) |
7 | 7410 { |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
7411 int result; |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
7412 regexec_T rex_save; |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
7413 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
|
7414 |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
7415 if (rex_in_use) |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
7416 /* Being called recursively, save the state. */ |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
7417 rex_save = rex; |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
7418 rex_in_use = TRUE; |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
7419 |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
7420 rex.reg_match = NULL; |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
7421 rex.reg_mmatch = rmp; |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
7422 rex.reg_buf = curbuf; /* always works on the current buffer! */ |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
7423 rex.reg_firstlnum = lnum; |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
7424 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
|
7425 rex.reg_line_lbr = FALSE; |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
7426 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
|
7427 |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
7428 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
|
7429 if (rex_in_use) |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
7430 rex = rex_save; |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
7431 |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
7432 return result; |
7 | 7433 } |
7434 | |
7435 static int | |
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
7436 vim_regsub_both( |
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
7437 char_u *source, |
9589
bf204ab1ce7d
commit https://github.com/vim/vim/commit/72ab729c3dcdea0fba44d8e676602c847e841bcd
Christian Brabandt <cb@256bit.org>
parents:
9015
diff
changeset
|
7438 typval_T *expr, |
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
7439 char_u *dest, |
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
7440 int copy, |
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
7441 int magic, |
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
7442 int backslash) |
7 | 7443 { |
7444 char_u *src; | |
7445 char_u *dst; | |
7446 char_u *s; | |
7447 int c; | |
772 | 7448 int cc; |
7 | 7449 int no = -1; |
4244 | 7450 fptr_T func_all = (fptr_T)NULL; |
7451 fptr_T func_one = (fptr_T)NULL; | |
7 | 7452 linenr_T clnum = 0; /* init for GCC */ |
7453 int len = 0; /* init for GCC */ | |
7454 #ifdef FEAT_EVAL | |
9589
bf204ab1ce7d
commit https://github.com/vim/vim/commit/72ab729c3dcdea0fba44d8e676602c847e841bcd
Christian Brabandt <cb@256bit.org>
parents:
9015
diff
changeset
|
7455 static char_u *eval_result = NULL; |
7 | 7456 #endif |
7457 | |
7458 /* Be paranoid... */ | |
9589
bf204ab1ce7d
commit https://github.com/vim/vim/commit/72ab729c3dcdea0fba44d8e676602c847e841bcd
Christian Brabandt <cb@256bit.org>
parents:
9015
diff
changeset
|
7459 if ((source == NULL && expr == NULL) || dest == NULL) |
7 | 7460 { |
7461 EMSG(_(e_null)); | |
7462 return 0; | |
7463 } | |
7464 if (prog_magic_wrong()) | |
7465 return 0; | |
7466 src = source; | |
7467 dst = dest; | |
7468 | |
7469 /* | |
7470 * When the substitute part starts with "\=" evaluate it as an expression. | |
7471 */ | |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
7472 if (expr != NULL || (source[0] == '\\' && source[1] == '=')) |
7 | 7473 { |
7474 #ifdef FEAT_EVAL | |
7475 /* To make sure that the length doesn't change between checking the | |
7476 * length and copying the string, and to speed up things, the | |
7477 * resulting string is saved from the call with "copy" == FALSE to the | |
7478 * call with "copy" == TRUE. */ | |
7479 if (copy) | |
7480 { | |
7481 if (eval_result != NULL) | |
7482 { | |
7483 STRCPY(dest, eval_result); | |
7484 dst += STRLEN(eval_result); | |
7485 vim_free(eval_result); | |
7486 eval_result = NULL; | |
7487 } | |
7488 } | |
7489 else | |
7490 { | |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
7491 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
|
7492 regsubmatch_T rsm_save; |
7 | 7493 |
7494 vim_free(eval_result); | |
7495 | |
7496 /* The expression may contain substitute(), which calls us | |
7497 * recursively. Make sure submatch() gets the text from the first | |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
7498 * level. */ |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
7499 if (can_f_submatch) |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
7500 rsm_save = rsm; |
7 | 7501 can_f_submatch = TRUE; |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
7502 rsm.sm_match = rex.reg_match; |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
7503 rsm.sm_mmatch = rex.reg_mmatch; |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
7504 rsm.sm_firstlnum = rex.reg_firstlnum; |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
7505 rsm.sm_maxline = rex.reg_maxline; |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
7506 rsm.sm_line_lbr = rex.reg_line_lbr; |
7 | 7507 |
9589
bf204ab1ce7d
commit https://github.com/vim/vim/commit/72ab729c3dcdea0fba44d8e676602c847e841bcd
Christian Brabandt <cb@256bit.org>
parents:
9015
diff
changeset
|
7508 if (expr != NULL) |
bf204ab1ce7d
commit https://github.com/vim/vim/commit/72ab729c3dcdea0fba44d8e676602c847e841bcd
Christian Brabandt <cb@256bit.org>
parents:
9015
diff
changeset
|
7509 { |
9626
172131507c85
commit https://github.com/vim/vim/commit/df48fb456fb6bf63d94cad9b302ff01d8ee8d311
Christian Brabandt <cb@256bit.org>
parents:
9589
diff
changeset
|
7510 typval_T argv[2]; |
9589
bf204ab1ce7d
commit https://github.com/vim/vim/commit/72ab729c3dcdea0fba44d8e676602c847e841bcd
Christian Brabandt <cb@256bit.org>
parents:
9015
diff
changeset
|
7511 int dummy; |
bf204ab1ce7d
commit https://github.com/vim/vim/commit/72ab729c3dcdea0fba44d8e676602c847e841bcd
Christian Brabandt <cb@256bit.org>
parents:
9015
diff
changeset
|
7512 char_u buf[NUMBUFLEN]; |
bf204ab1ce7d
commit https://github.com/vim/vim/commit/72ab729c3dcdea0fba44d8e676602c847e841bcd
Christian Brabandt <cb@256bit.org>
parents:
9015
diff
changeset
|
7513 typval_T rettv; |
9626
172131507c85
commit https://github.com/vim/vim/commit/df48fb456fb6bf63d94cad9b302ff01d8ee8d311
Christian Brabandt <cb@256bit.org>
parents:
9589
diff
changeset
|
7514 staticList10_T matchList; |
9589
bf204ab1ce7d
commit https://github.com/vim/vim/commit/72ab729c3dcdea0fba44d8e676602c847e841bcd
Christian Brabandt <cb@256bit.org>
parents:
9015
diff
changeset
|
7515 |
bf204ab1ce7d
commit https://github.com/vim/vim/commit/72ab729c3dcdea0fba44d8e676602c847e841bcd
Christian Brabandt <cb@256bit.org>
parents:
9015
diff
changeset
|
7516 rettv.v_type = VAR_STRING; |
bf204ab1ce7d
commit https://github.com/vim/vim/commit/72ab729c3dcdea0fba44d8e676602c847e841bcd
Christian Brabandt <cb@256bit.org>
parents:
9015
diff
changeset
|
7517 rettv.vval.v_string = NULL; |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
7518 argv[0].v_type = VAR_LIST; |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
7519 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
|
7520 matchList.sl_list.lv_len = 0; |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
7521 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
|
7522 { |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
7523 s = expr->vval.v_string; |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
7524 call_func(s, (int)STRLEN(s), &rettv, |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
7525 1, argv, fill_submatch_list, |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
7526 0L, 0L, &dummy, TRUE, NULL, NULL); |
9589
bf204ab1ce7d
commit https://github.com/vim/vim/commit/72ab729c3dcdea0fba44d8e676602c847e841bcd
Christian Brabandt <cb@256bit.org>
parents:
9015
diff
changeset
|
7527 } |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
7528 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
|
7529 { |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
7530 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
|
7531 |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
7532 s = partial_name(partial); |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
7533 call_func(s, (int)STRLEN(s), &rettv, |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
7534 1, argv, fill_submatch_list, |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
7535 0L, 0L, &dummy, TRUE, partial, NULL); |
9589
bf204ab1ce7d
commit https://github.com/vim/vim/commit/72ab729c3dcdea0fba44d8e676602c847e841bcd
Christian Brabandt <cb@256bit.org>
parents:
9015
diff
changeset
|
7536 } |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
7537 if (matchList.sl_list.lv_len > 0) |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
7538 /* fill_submatch_list() was called */ |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
7539 clear_submatch_list(&matchList); |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
7540 |
9589
bf204ab1ce7d
commit https://github.com/vim/vim/commit/72ab729c3dcdea0fba44d8e676602c847e841bcd
Christian Brabandt <cb@256bit.org>
parents:
9015
diff
changeset
|
7541 eval_result = get_tv_string_buf_chk(&rettv, buf); |
bf204ab1ce7d
commit https://github.com/vim/vim/commit/72ab729c3dcdea0fba44d8e676602c847e841bcd
Christian Brabandt <cb@256bit.org>
parents:
9015
diff
changeset
|
7542 if (eval_result != NULL) |
bf204ab1ce7d
commit https://github.com/vim/vim/commit/72ab729c3dcdea0fba44d8e676602c847e841bcd
Christian Brabandt <cb@256bit.org>
parents:
9015
diff
changeset
|
7543 eval_result = vim_strsave(eval_result); |
9626
172131507c85
commit https://github.com/vim/vim/commit/df48fb456fb6bf63d94cad9b302ff01d8ee8d311
Christian Brabandt <cb@256bit.org>
parents:
9589
diff
changeset
|
7544 clear_tv(&rettv); |
9589
bf204ab1ce7d
commit https://github.com/vim/vim/commit/72ab729c3dcdea0fba44d8e676602c847e841bcd
Christian Brabandt <cb@256bit.org>
parents:
9015
diff
changeset
|
7545 } |
bf204ab1ce7d
commit https://github.com/vim/vim/commit/72ab729c3dcdea0fba44d8e676602c847e841bcd
Christian Brabandt <cb@256bit.org>
parents:
9015
diff
changeset
|
7546 else |
bf204ab1ce7d
commit https://github.com/vim/vim/commit/72ab729c3dcdea0fba44d8e676602c847e841bcd
Christian Brabandt <cb@256bit.org>
parents:
9015
diff
changeset
|
7547 eval_result = eval_to_string(source + 2, NULL, TRUE); |
bf204ab1ce7d
commit https://github.com/vim/vim/commit/72ab729c3dcdea0fba44d8e676602c847e841bcd
Christian Brabandt <cb@256bit.org>
parents:
9015
diff
changeset
|
7548 |
7 | 7549 if (eval_result != NULL) |
7550 { | |
2125
b8744d1982d1
updated for version 7.2.407
Bram Moolenaar <bram@zimbu.org>
parents:
2012
diff
changeset
|
7551 int had_backslash = FALSE; |
b8744d1982d1
updated for version 7.2.407
Bram Moolenaar <bram@zimbu.org>
parents:
2012
diff
changeset
|
7552 |
11127
506f5d8b7d8b
patch 8.0.0451: some macros are in lower case
Christian Brabandt <cb@256bit.org>
parents:
11121
diff
changeset
|
7553 for (s = eval_result; *s != NUL; MB_PTR_ADV(s)) |
7 | 7554 { |
2904 | 7555 /* Change NL to CR, so that it becomes a line break, |
7556 * unless called from vim_regexec_nl(). | |
7 | 7557 * Skip over a backslashed character. */ |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
7558 if (*s == NL && !rsm.sm_line_lbr) |
7 | 7559 *s = CAR; |
7560 else if (*s == '\\' && s[1] != NUL) | |
2125
b8744d1982d1
updated for version 7.2.407
Bram Moolenaar <bram@zimbu.org>
parents:
2012
diff
changeset
|
7561 { |
7 | 7562 ++s; |
2173 | 7563 /* Change NL to CR here too, so that this works: |
7564 * :s/abc\\\ndef/\="aaa\\\nbbb"/ on text: | |
7565 * abc\ | |
7566 * def | |
2904 | 7567 * Not when called from vim_regexec_nl(). |
2173 | 7568 */ |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
7569 if (*s == NL && !rsm.sm_line_lbr) |
2173 | 7570 *s = CAR; |
2125
b8744d1982d1
updated for version 7.2.407
Bram Moolenaar <bram@zimbu.org>
parents:
2012
diff
changeset
|
7571 had_backslash = TRUE; |
b8744d1982d1
updated for version 7.2.407
Bram Moolenaar <bram@zimbu.org>
parents:
2012
diff
changeset
|
7572 } |
b8744d1982d1
updated for version 7.2.407
Bram Moolenaar <bram@zimbu.org>
parents:
2012
diff
changeset
|
7573 } |
b8744d1982d1
updated for version 7.2.407
Bram Moolenaar <bram@zimbu.org>
parents:
2012
diff
changeset
|
7574 if (had_backslash && backslash) |
b8744d1982d1
updated for version 7.2.407
Bram Moolenaar <bram@zimbu.org>
parents:
2012
diff
changeset
|
7575 { |
b8744d1982d1
updated for version 7.2.407
Bram Moolenaar <bram@zimbu.org>
parents:
2012
diff
changeset
|
7576 /* Backslashes will be consumed, need to double them. */ |
b8744d1982d1
updated for version 7.2.407
Bram Moolenaar <bram@zimbu.org>
parents:
2012
diff
changeset
|
7577 s = vim_strsave_escaped(eval_result, (char_u *)"\\"); |
b8744d1982d1
updated for version 7.2.407
Bram Moolenaar <bram@zimbu.org>
parents:
2012
diff
changeset
|
7578 if (s != NULL) |
b8744d1982d1
updated for version 7.2.407
Bram Moolenaar <bram@zimbu.org>
parents:
2012
diff
changeset
|
7579 { |
b8744d1982d1
updated for version 7.2.407
Bram Moolenaar <bram@zimbu.org>
parents:
2012
diff
changeset
|
7580 vim_free(eval_result); |
b8744d1982d1
updated for version 7.2.407
Bram Moolenaar <bram@zimbu.org>
parents:
2012
diff
changeset
|
7581 eval_result = s; |
b8744d1982d1
updated for version 7.2.407
Bram Moolenaar <bram@zimbu.org>
parents:
2012
diff
changeset
|
7582 } |
7 | 7583 } |
7584 | |
7585 dst += STRLEN(eval_result); | |
7586 } | |
7587 | |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
7588 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
|
7589 if (can_f_submatch) |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
7590 rsm = rsm_save; |
7 | 7591 } |
7592 #endif | |
7593 } | |
7594 else | |
7595 while ((c = *src++) != NUL) | |
7596 { | |
7597 if (c == '&' && magic) | |
7598 no = 0; | |
7599 else if (c == '\\' && *src != NUL) | |
7600 { | |
7601 if (*src == '&' && !magic) | |
7602 { | |
7603 ++src; | |
7604 no = 0; | |
7605 } | |
7606 else if ('0' <= *src && *src <= '9') | |
7607 { | |
7608 no = *src++ - '0'; | |
7609 } | |
7610 else if (vim_strchr((char_u *)"uUlLeE", *src)) | |
7611 { | |
7612 switch (*src++) | |
7613 { | |
4244 | 7614 case 'u': func_one = (fptr_T)do_upper; |
7 | 7615 continue; |
4244 | 7616 case 'U': func_all = (fptr_T)do_Upper; |
7 | 7617 continue; |
4244 | 7618 case 'l': func_one = (fptr_T)do_lower; |
7 | 7619 continue; |
4244 | 7620 case 'L': func_all = (fptr_T)do_Lower; |
7 | 7621 continue; |
7622 case 'e': | |
4244 | 7623 case 'E': func_one = func_all = (fptr_T)NULL; |
7 | 7624 continue; |
7625 } | |
7626 } | |
7627 } | |
7628 if (no < 0) /* Ordinary character. */ | |
7629 { | |
798 | 7630 if (c == K_SPECIAL && src[0] != NUL && src[1] != NUL) |
7631 { | |
1209 | 7632 /* Copy a special key as-is. */ |
798 | 7633 if (copy) |
7634 { | |
7635 *dst++ = c; | |
7636 *dst++ = *src++; | |
7637 *dst++ = *src++; | |
7638 } | |
7639 else | |
7640 { | |
7641 dst += 3; | |
7642 src += 2; | |
7643 } | |
7644 continue; | |
7645 } | |
7646 | |
7 | 7647 if (c == '\\' && *src != NUL) |
7648 { | |
7649 /* Check for abbreviations -- webb */ | |
7650 switch (*src) | |
7651 { | |
7652 case 'r': c = CAR; ++src; break; | |
7653 case 'n': c = NL; ++src; break; | |
7654 case 't': c = TAB; ++src; break; | |
7655 /* Oh no! \e already has meaning in subst pat :-( */ | |
7656 /* case 'e': c = ESC; ++src; break; */ | |
7657 case 'b': c = Ctrl_H; ++src; break; | |
7658 | |
7659 /* If "backslash" is TRUE the backslash will be removed | |
7660 * later. Used to insert a literal CR. */ | |
7661 default: if (backslash) | |
7662 { | |
7663 if (copy) | |
7664 *dst = '\\'; | |
7665 ++dst; | |
7666 } | |
7667 c = *src++; | |
7668 } | |
7669 } | |
798 | 7670 #ifdef FEAT_MBYTE |
7671 else if (has_mbyte) | |
7672 c = mb_ptr2char(src - 1); | |
7673 #endif | |
7 | 7674 |
7675 /* Write to buffer, if copy is set. */ | |
4244 | 7676 if (func_one != (fptr_T)NULL) |
7677 /* Turbo C complains without the typecast */ | |
7678 func_one = (fptr_T)(func_one(&cc, c)); | |
7679 else if (func_all != (fptr_T)NULL) | |
7680 /* Turbo C complains without the typecast */ | |
7681 func_all = (fptr_T)(func_all(&cc, c)); | |
7682 else /* just copy */ | |
772 | 7683 cc = c; |
7684 | |
7685 #ifdef FEAT_MBYTE | |
7686 if (has_mbyte) | |
7 | 7687 { |
2307
81527f127fb1
Fix: Composing characters in :s substitute text were dropped.
Bram Moolenaar <bram@vim.org>
parents:
2247
diff
changeset
|
7688 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
|
7689 |
7 | 7690 if (copy) |
772 | 7691 mb_char2bytes(cc, dst); |
7692 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
|
7693 if (enc_utf8) |
81527f127fb1
Fix: Composing characters in :s substitute text were dropped.
Bram Moolenaar <bram@vim.org>
parents:
2247
diff
changeset
|
7694 { |
81527f127fb1
Fix: Composing characters in :s substitute text were dropped.
Bram Moolenaar <bram@vim.org>
parents:
2247
diff
changeset
|
7695 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
|
7696 |
81527f127fb1
Fix: Composing characters in :s substitute text were dropped.
Bram Moolenaar <bram@vim.org>
parents:
2247
diff
changeset
|
7697 /* If the character length is shorter than "totlen", there |
81527f127fb1
Fix: Composing characters in :s substitute text were dropped.
Bram Moolenaar <bram@vim.org>
parents:
2247
diff
changeset
|
7698 * are composing characters; copy them as-is. */ |
81527f127fb1
Fix: Composing characters in :s substitute text were dropped.
Bram Moolenaar <bram@vim.org>
parents:
2247
diff
changeset
|
7699 if (clen < totlen) |
81527f127fb1
Fix: Composing characters in :s substitute text were dropped.
Bram Moolenaar <bram@vim.org>
parents:
2247
diff
changeset
|
7700 { |
81527f127fb1
Fix: Composing characters in :s substitute text were dropped.
Bram Moolenaar <bram@vim.org>
parents:
2247
diff
changeset
|
7701 if (copy) |
81527f127fb1
Fix: Composing characters in :s substitute text were dropped.
Bram Moolenaar <bram@vim.org>
parents:
2247
diff
changeset
|
7702 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
|
7703 (size_t)(totlen - clen)); |
81527f127fb1
Fix: Composing characters in :s substitute text were dropped.
Bram Moolenaar <bram@vim.org>
parents:
2247
diff
changeset
|
7704 dst += totlen - clen; |
81527f127fb1
Fix: Composing characters in :s substitute text were dropped.
Bram Moolenaar <bram@vim.org>
parents:
2247
diff
changeset
|
7705 } |
81527f127fb1
Fix: Composing characters in :s substitute text were dropped.
Bram Moolenaar <bram@vim.org>
parents:
2247
diff
changeset
|
7706 } |
81527f127fb1
Fix: Composing characters in :s substitute text were dropped.
Bram Moolenaar <bram@vim.org>
parents:
2247
diff
changeset
|
7707 src += totlen - 1; |
7 | 7708 } |
7709 else | |
7710 #endif | |
7711 if (copy) | |
772 | 7712 *dst = cc; |
7 | 7713 dst++; |
7714 } | |
7715 else | |
7716 { | |
7717 if (REG_MULTI) | |
7718 { | |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
7719 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
|
7720 if (clnum < 0 || rex.reg_mmatch->endpos[no].lnum < 0) |
7 | 7721 s = NULL; |
7722 else | |
7723 { | |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
7724 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
|
7725 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
|
7726 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
|
7727 - rex.reg_mmatch->startpos[no].col; |
7 | 7728 else |
7729 len = (int)STRLEN(s); | |
7730 } | |
7731 } | |
7732 else | |
7733 { | |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
7734 s = rex.reg_match->startp[no]; |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
7735 if (rex.reg_match->endp[no] == NULL) |
7 | 7736 s = NULL; |
7737 else | |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
7738 len = (int)(rex.reg_match->endp[no] - s); |
7 | 7739 } |
7740 if (s != NULL) | |
7741 { | |
7742 for (;;) | |
7743 { | |
7744 if (len == 0) | |
7745 { | |
7746 if (REG_MULTI) | |
7747 { | |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
7748 if (rex.reg_mmatch->endpos[no].lnum == clnum) |
7 | 7749 break; |
7750 if (copy) | |
7751 *dst = CAR; | |
7752 ++dst; | |
7753 s = reg_getline(++clnum); | |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
7754 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
|
7755 len = rex.reg_mmatch->endpos[no].col; |
7 | 7756 else |
7757 len = (int)STRLEN(s); | |
7758 } | |
7759 else | |
7760 break; | |
7761 } | |
7762 else if (*s == NUL) /* we hit NUL. */ | |
7763 { | |
7764 if (copy) | |
7765 EMSG(_(e_re_damg)); | |
7766 goto exit; | |
7767 } | |
7768 else | |
7769 { | |
7770 if (backslash && (*s == CAR || *s == '\\')) | |
7771 { | |
7772 /* | |
7773 * Insert a backslash in front of a CR, otherwise | |
7774 * it will be replaced by a line break. | |
7775 * Number of backslashes will be halved later, | |
7776 * double them here. | |
7777 */ | |
7778 if (copy) | |
7779 { | |
7780 dst[0] = '\\'; | |
7781 dst[1] = *s; | |
7782 } | |
7783 dst += 2; | |
7784 } | |
7785 else | |
7786 { | |
772 | 7787 #ifdef FEAT_MBYTE |
7788 if (has_mbyte) | |
7789 c = mb_ptr2char(s); | |
7790 else | |
7791 #endif | |
7792 c = *s; | |
7793 | |
4244 | 7794 if (func_one != (fptr_T)NULL) |
7795 /* Turbo C complains without the typecast */ | |
7796 func_one = (fptr_T)(func_one(&cc, c)); | |
7797 else if (func_all != (fptr_T)NULL) | |
7798 /* Turbo C complains without the typecast */ | |
7799 func_all = (fptr_T)(func_all(&cc, c)); | |
7800 else /* just copy */ | |
772 | 7801 cc = c; |
7802 | |
7803 #ifdef FEAT_MBYTE | |
7804 if (has_mbyte) | |
7 | 7805 { |
1332 | 7806 int l; |
7807 | |
7808 /* Copy composing characters separately, one | |
7809 * at a time. */ | |
7810 if (enc_utf8) | |
7811 l = utf_ptr2len(s) - 1; | |
7812 else | |
7813 l = mb_ptr2len(s) - 1; | |
772 | 7814 |
7815 s += l; | |
7816 len -= l; | |
7817 if (copy) | |
7818 mb_char2bytes(cc, dst); | |
7819 dst += mb_char2len(cc) - 1; | |
7 | 7820 } |
772 | 7821 else |
7822 #endif | |
7823 if (copy) | |
7824 *dst = cc; | |
7825 dst++; | |
7 | 7826 } |
772 | 7827 |
7 | 7828 ++s; |
7829 --len; | |
7830 } | |
7831 } | |
7832 } | |
7833 no = -1; | |
7834 } | |
7835 } | |
7836 if (copy) | |
7837 *dst = NUL; | |
7838 | |
7839 exit: | |
7840 return (int)((dst - dest) + 1); | |
7841 } | |
7842 | |
7843 #ifdef FEAT_EVAL | |
7805
0b6c37dd858d
commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077
Christian Brabandt <cb@256bit.org>
parents:
7009
diff
changeset
|
7844 static char_u *reg_getline_submatch(linenr_T lnum); |
2012 | 7845 |
7 | 7846 /* |
2011 | 7847 * Call reg_getline() with the line numbers from the submatch. If a |
7848 * substitute() was used the reg_maxline and other values have been | |
7849 * overwritten. | |
7850 */ | |
7851 static char_u * | |
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
7852 reg_getline_submatch(linenr_T lnum) |
2011 | 7853 { |
7854 char_u *s; | |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
7855 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
|
7856 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
|
7857 |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
7858 rex.reg_firstlnum = rsm.sm_firstlnum; |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
7859 rex.reg_maxline = rsm.sm_maxline; |
2011 | 7860 |
7861 s = reg_getline(lnum); | |
7862 | |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
7863 rex.reg_firstlnum = save_first; |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
7864 rex.reg_maxline = save_max; |
2011 | 7865 return s; |
7866 } | |
7867 | |
7868 /* | |
1209 | 7869 * Used for the submatch() function: get the string from the n'th submatch in |
7 | 7870 * allocated memory. |
7871 * Returns NULL when not in a ":s" command and for a non-existing submatch. | |
7872 */ | |
7873 char_u * | |
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
7874 reg_submatch(int no) |
7 | 7875 { |
7876 char_u *retval = NULL; | |
7877 char_u *s; | |
7878 int len; | |
7879 int round; | |
7880 linenr_T lnum; | |
7881 | |
840 | 7882 if (!can_f_submatch || no < 0) |
7 | 7883 return NULL; |
7884 | |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
7885 if (rsm.sm_match == NULL) |
7 | 7886 { |
7887 /* | |
7888 * First round: compute the length and allocate memory. | |
7889 * Second round: copy the text. | |
7890 */ | |
7891 for (round = 1; round <= 2; ++round) | |
7892 { | |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
7893 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
|
7894 if (lnum < 0 || rsm.sm_mmatch->endpos[no].lnum < 0) |
7 | 7895 return NULL; |
7896 | |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
7897 s = reg_getline_submatch(lnum) + rsm.sm_mmatch->startpos[no].col; |
7 | 7898 if (s == NULL) /* anti-crash check, cannot happen? */ |
7899 break; | |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
7900 if (rsm.sm_mmatch->endpos[no].lnum == lnum) |
7 | 7901 { |
7902 /* 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
|
7903 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
|
7904 - rsm.sm_mmatch->startpos[no].col; |
7 | 7905 if (round == 2) |
418 | 7906 vim_strncpy(retval, s, len); |
7 | 7907 ++len; |
7908 } | |
7909 else | |
7910 { | |
7911 /* Multiple lines: take start line from start col, middle | |
7912 * lines completely and end line up to end col. */ | |
7913 len = (int)STRLEN(s); | |
7914 if (round == 2) | |
7915 { | |
7916 STRCPY(retval, s); | |
7917 retval[len] = '\n'; | |
7918 } | |
7919 ++len; | |
7920 ++lnum; | |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
7921 while (lnum < rsm.sm_mmatch->endpos[no].lnum) |
7 | 7922 { |
2011 | 7923 s = reg_getline_submatch(lnum++); |
7 | 7924 if (round == 2) |
7925 STRCPY(retval + len, s); | |
7926 len += (int)STRLEN(s); | |
7927 if (round == 2) | |
7928 retval[len] = '\n'; | |
7929 ++len; | |
7930 } | |
7931 if (round == 2) | |
2011 | 7932 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
|
7933 rsm.sm_mmatch->endpos[no].col); |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
7934 len += rsm.sm_mmatch->endpos[no].col; |
7 | 7935 if (round == 2) |
7936 retval[len] = NUL; | |
7937 ++len; | |
7938 } | |
7939 | |
840 | 7940 if (retval == NULL) |
7 | 7941 { |
7942 retval = lalloc((long_u)len, TRUE); | |
840 | 7943 if (retval == NULL) |
7 | 7944 return NULL; |
7945 } | |
7946 } | |
7947 } | |
7948 else | |
7949 { | |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
7950 s = rsm.sm_match->startp[no]; |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
7951 if (s == NULL || rsm.sm_match->endp[no] == NULL) |
7 | 7952 retval = NULL; |
7953 else | |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
7954 retval = vim_strnsave(s, (int)(rsm.sm_match->endp[no] - s)); |
7 | 7955 } |
7956 | |
7957 return retval; | |
7958 } | |
5794 | 7959 |
7960 /* | |
7961 * Used for the submatch() function with the optional non-zero argument: get | |
7962 * the list of strings from the n'th submatch in allocated memory with NULs | |
7963 * represented in NLs. | |
7964 * Returns a list of allocated strings. Returns NULL when not in a ":s" | |
7965 * command, for a non-existing submatch and for any error. | |
7966 */ | |
7967 list_T * | |
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
7968 reg_submatch_list(int no) |
5794 | 7969 { |
7970 char_u *s; | |
7971 linenr_T slnum; | |
7972 linenr_T elnum; | |
7973 colnr_T scol; | |
7974 colnr_T ecol; | |
7975 int i; | |
7976 list_T *list; | |
7977 int error = FALSE; | |
7978 | |
7979 if (!can_f_submatch || no < 0) | |
7980 return NULL; | |
7981 | |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
7982 if (rsm.sm_match == NULL) |
5794 | 7983 { |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
7984 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
|
7985 elnum = rsm.sm_mmatch->endpos[no].lnum; |
5794 | 7986 if (slnum < 0 || elnum < 0) |
7987 return NULL; | |
7988 | |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
7989 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
|
7990 ecol = rsm.sm_mmatch->endpos[no].col; |
5794 | 7991 |
7992 list = list_alloc(); | |
7993 if (list == NULL) | |
7994 return NULL; | |
7995 | |
7996 s = reg_getline_submatch(slnum) + scol; | |
7997 if (slnum == elnum) | |
7998 { | |
7999 if (list_append_string(list, s, ecol - scol) == FAIL) | |
8000 error = TRUE; | |
8001 } | |
8002 else | |
8003 { | |
8004 if (list_append_string(list, s, -1) == FAIL) | |
8005 error = TRUE; | |
8006 for (i = 1; i < elnum - slnum; i++) | |
8007 { | |
8008 s = reg_getline_submatch(slnum + i); | |
8009 if (list_append_string(list, s, -1) == FAIL) | |
8010 error = TRUE; | |
8011 } | |
8012 s = reg_getline_submatch(elnum); | |
8013 if (list_append_string(list, s, ecol) == FAIL) | |
8014 error = TRUE; | |
8015 } | |
8016 } | |
8017 else | |
8018 { | |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
8019 s = rsm.sm_match->startp[no]; |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
8020 if (s == NULL || rsm.sm_match->endp[no] == NULL) |
5794 | 8021 return NULL; |
8022 list = list_alloc(); | |
8023 if (list == NULL) | |
8024 return NULL; | |
8025 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
|
8026 (int)(rsm.sm_match->endp[no] - s)) == FAIL) |
5794 | 8027 error = TRUE; |
8028 } | |
8029 | |
8030 if (error) | |
8031 { | |
8863
e1b84109506a
commit https://github.com/vim/vim/commit/107e1eef1df3b786ad3ad49fbdb9e058649303b5
Christian Brabandt <cb@256bit.org>
parents:
8825
diff
changeset
|
8032 list_free(list); |
5794 | 8033 return NULL; |
8034 } | |
8035 return list; | |
8036 } | |
7 | 8037 #endif |
4444 | 8038 |
8039 static regengine_T bt_regengine = | |
8040 { | |
8041 bt_regcomp, | |
4805
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4770
diff
changeset
|
8042 bt_regfree, |
4444 | 8043 bt_regexec_nl, |
6328 | 8044 bt_regexec_multi, |
8045 (char_u *)"" | |
4444 | 8046 }; |
8047 | |
8048 #include "regexp_nfa.c" | |
8049 | |
8050 static regengine_T nfa_regengine = | |
8051 { | |
8052 nfa_regcomp, | |
4805
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4770
diff
changeset
|
8053 nfa_regfree, |
4444 | 8054 nfa_regexec_nl, |
6328 | 8055 nfa_regexec_multi, |
8056 (char_u *)"" | |
4444 | 8057 }; |
8058 | |
8059 /* Which regexp engine to use? Needed for vim_regcomp(). | |
8060 * Must match with 'regexpengine'. */ | |
8061 static int regexp_engine = 0; | |
6328 | 8062 |
4444 | 8063 #ifdef DEBUG |
8064 static char_u regname[][30] = { | |
8065 "AUTOMATIC Regexp Engine", | |
4579
7a2be4a39423
updated for version 7.3.1037
Bram Moolenaar <bram@vim.org>
parents:
4505
diff
changeset
|
8066 "BACKTRACKING Regexp Engine", |
4444 | 8067 "NFA Regexp Engine" |
8068 }; | |
8069 #endif | |
8070 | |
8071 /* | |
8072 * Compile a regular expression into internal code. | |
4805
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4770
diff
changeset
|
8073 * Returns the program in allocated memory. |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4770
diff
changeset
|
8074 * Use vim_regfree() to free the memory. |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4770
diff
changeset
|
8075 * Returns NULL for an error. |
4444 | 8076 */ |
8077 regprog_T * | |
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
8078 vim_regcomp(char_u *expr_arg, int re_flags) |
4444 | 8079 { |
8080 regprog_T *prog = NULL; | |
8081 char_u *expr = expr_arg; | |
8082 | |
8083 regexp_engine = p_re; | |
8084 | |
8085 /* Check for prefix "\%#=", that sets the regexp engine */ | |
8086 if (STRNCMP(expr, "\\%#=", 4) == 0) | |
8087 { | |
8088 int newengine = expr[4] - '0'; | |
8089 | |
8090 if (newengine == AUTOMATIC_ENGINE | |
8091 || newengine == BACKTRACKING_ENGINE | |
8092 || newengine == NFA_ENGINE) | |
8093 { | |
8094 regexp_engine = expr[4] - '0'; | |
8095 expr += 5; | |
8096 #ifdef DEBUG | |
5897 | 8097 smsg((char_u *)"New regexp mode selected (%d): %s", |
8098 regexp_engine, regname[newengine]); | |
4444 | 8099 #endif |
8100 } | |
8101 else | |
8102 { | |
8103 EMSG(_("E864: \\%#= can only be followed by 0, 1, or 2. The automatic engine will be used ")); | |
8104 regexp_engine = AUTOMATIC_ENGINE; | |
8105 } | |
8106 } | |
8107 bt_regengine.expr = expr; | |
8108 nfa_regengine.expr = expr; | |
8109 | |
8110 /* | |
8111 * First try the NFA engine, unless backtracking was requested. | |
8112 */ | |
8113 if (regexp_engine != BACKTRACKING_ENGINE) | |
6533 | 8114 prog = nfa_regengine.regcomp(expr, |
8115 re_flags + (regexp_engine == AUTOMATIC_ENGINE ? RE_AUTO : 0)); | |
4444 | 8116 else |
8117 prog = bt_regengine.regcomp(expr, re_flags); | |
8118 | |
6328 | 8119 /* Check for error compiling regexp with initial engine. */ |
8120 if (prog == NULL) | |
4444 | 8121 { |
4460 | 8122 #ifdef BT_REGEXP_DEBUG_LOG |
4444 | 8123 if (regexp_engine != BACKTRACKING_ENGINE) /* debugging log for NFA */ |
8124 { | |
8125 FILE *f; | |
4460 | 8126 f = fopen(BT_REGEXP_DEBUG_LOG_NAME, "a"); |
4444 | 8127 if (f) |
8128 { | |
4762
47906f888725
updated for version 7.3.1128
Bram Moolenaar <bram@vim.org>
parents:
4760
diff
changeset
|
8129 fprintf(f, "Syntax error in \"%s\"\n", expr); |
4444 | 8130 fclose(f); |
8131 } | |
8132 else | |
4460 | 8133 EMSG2("(NFA) Could not open \"%s\" to write !!!", |
8134 BT_REGEXP_DEBUG_LOG_NAME); | |
4444 | 8135 } |
8136 #endif | |
8137 /* | |
6328 | 8138 * If the NFA engine failed, try the backtracking engine. |
6533 | 8139 * The NFA engine also fails for patterns that it can't handle well |
8140 * but are still valid patterns, thus a retry should work. | |
8141 */ | |
4444 | 8142 if (regexp_engine == AUTOMATIC_ENGINE) |
6328 | 8143 { |
6533 | 8144 regexp_engine = BACKTRACKING_ENGINE; |
4762
47906f888725
updated for version 7.3.1128
Bram Moolenaar <bram@vim.org>
parents:
4760
diff
changeset
|
8145 prog = bt_regengine.regcomp(expr, re_flags); |
6328 | 8146 } |
4762
47906f888725
updated for version 7.3.1128
Bram Moolenaar <bram@vim.org>
parents:
4760
diff
changeset
|
8147 } |
4444 | 8148 |
6328 | 8149 if (prog != NULL) |
8150 { | |
8151 /* Store the info needed to call regcomp() again when the engine turns | |
8152 * out to be very slow when executing it. */ | |
8153 prog->re_engine = regexp_engine; | |
8154 prog->re_flags = re_flags; | |
8155 } | |
8156 | |
4444 | 8157 return prog; |
8158 } | |
8159 | |
8160 /* | |
4805
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4770
diff
changeset
|
8161 * 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
|
8162 */ |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4770
diff
changeset
|
8163 void |
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
8164 vim_regfree(regprog_T *prog) |
4805
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4770
diff
changeset
|
8165 { |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4770
diff
changeset
|
8166 if (prog != NULL) |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4770
diff
changeset
|
8167 prog->engine->regfree(prog); |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4770
diff
changeset
|
8168 } |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4770
diff
changeset
|
8169 |
6328 | 8170 #ifdef FEAT_EVAL |
7805
0b6c37dd858d
commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077
Christian Brabandt <cb@256bit.org>
parents:
7009
diff
changeset
|
8171 static void report_re_switch(char_u *pat); |
6328 | 8172 |
8173 static void | |
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
8174 report_re_switch(char_u *pat) |
6328 | 8175 { |
8176 if (p_verbose > 0) | |
8177 { | |
8178 verbose_enter(); | |
8179 MSG_PUTS(_("Switching to backtracking RE engine for pattern: ")); | |
8180 MSG_PUTS(pat); | |
8181 verbose_leave(); | |
8182 } | |
8183 } | |
8184 #endif | |
8185 | |
7805
0b6c37dd858d
commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077
Christian Brabandt <cb@256bit.org>
parents:
7009
diff
changeset
|
8186 static int vim_regexec_both(regmatch_T *rmp, char_u *line, colnr_T col, int nl); |
6328 | 8187 |
4805
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4770
diff
changeset
|
8188 /* |
4444 | 8189 * Match a regexp against a string. |
8190 * "rmp->regprog" is a compiled regexp as returned by vim_regcomp(). | |
6375 | 8191 * Note: "rmp->regprog" may be freed and changed. |
4444 | 8192 * Uses curbuf for line count and 'iskeyword'. |
6328 | 8193 * When "nl" is TRUE consider a "\n" in "line" to be a line break. |
4444 | 8194 * |
8195 * Return TRUE if there is a match, FALSE if not. | |
8196 */ | |
6328 | 8197 static int |
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
8198 vim_regexec_both( |
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
8199 regmatch_T *rmp, |
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
8200 char_u *line, /* string to match against */ |
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
8201 colnr_T col, /* column to start looking for match */ |
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
8202 int nl) |
6328 | 8203 { |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
8204 int result; |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
8205 regexec_T rex_save; |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
8206 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
|
8207 |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
8208 if (rex_in_use) |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
8209 /* Being called recursively, save the state. */ |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
8210 rex_save = rex; |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
8211 rex_in_use = TRUE; |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
8212 rex.reg_startp = NULL; |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
8213 rex.reg_endp = NULL; |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
8214 rex.reg_startpos = NULL; |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
8215 rex.reg_endpos = NULL; |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
8216 |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
8217 result = rmp->regprog->engine->regexec_nl(rmp, line, col, nl); |
6328 | 8218 |
8219 /* NFA engine aborted because it's very slow. */ | |
8220 if (rmp->regprog->re_engine == AUTOMATIC_ENGINE | |
8221 && result == NFA_TOO_EXPENSIVE) | |
8222 { | |
8223 int save_p_re = p_re; | |
8224 int re_flags = rmp->regprog->re_flags; | |
8225 char_u *pat = vim_strsave(((nfa_regprog_T *)rmp->regprog)->pattern); | |
8226 | |
8227 p_re = BACKTRACKING_ENGINE; | |
8228 vim_regfree(rmp->regprog); | |
8229 if (pat != NULL) | |
8230 { | |
8231 #ifdef FEAT_EVAL | |
8232 report_re_switch(pat); | |
8233 #endif | |
8234 rmp->regprog = vim_regcomp(pat, re_flags); | |
8235 if (rmp->regprog != NULL) | |
8236 result = rmp->regprog->engine->regexec_nl(rmp, line, col, nl); | |
8237 vim_free(pat); | |
8238 } | |
8239 | |
8240 p_re = save_p_re; | |
8241 } | |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
8242 |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
8243 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
|
8244 if (rex_in_use) |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
8245 rex = rex_save; |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
8246 |
6390 | 8247 return result > 0; |
6328 | 8248 } |
8249 | |
6375 | 8250 /* |
8251 * Note: "*prog" may be freed and changed. | |
6390 | 8252 * Return TRUE if there is a match, FALSE if not. |
6375 | 8253 */ |
8254 int | |
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
8255 vim_regexec_prog( |
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
8256 regprog_T **prog, |
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
8257 int ignore_case, |
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
8258 char_u *line, |
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
8259 colnr_T col) |
6375 | 8260 { |
8261 int r; | |
8262 regmatch_T regmatch; | |
8263 | |
8264 regmatch.regprog = *prog; | |
8265 regmatch.rm_ic = ignore_case; | |
8266 r = vim_regexec_both(®match, line, col, FALSE); | |
8267 *prog = regmatch.regprog; | |
8268 return r; | |
8269 } | |
8270 | |
8271 /* | |
8272 * Note: "rmp->regprog" may be freed and changed. | |
6390 | 8273 * Return TRUE if there is a match, FALSE if not. |
6375 | 8274 */ |
4444 | 8275 int |
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
8276 vim_regexec(regmatch_T *rmp, char_u *line, colnr_T col) |
4444 | 8277 { |
6328 | 8278 return vim_regexec_both(rmp, line, col, FALSE); |
4444 | 8279 } |
8280 | |
8281 #if defined(FEAT_MODIFY_FNAME) || defined(FEAT_EVAL) \ | |
8282 || defined(FIND_REPLACE_DIALOG) || defined(PROTO) | |
8283 /* | |
8284 * Like vim_regexec(), but consider a "\n" in "line" to be a line break. | |
6375 | 8285 * Note: "rmp->regprog" may be freed and changed. |
6390 | 8286 * Return TRUE if there is a match, FALSE if not. |
4444 | 8287 */ |
8288 int | |
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
8289 vim_regexec_nl(regmatch_T *rmp, char_u *line, colnr_T col) |
4444 | 8290 { |
6328 | 8291 return vim_regexec_both(rmp, line, col, TRUE); |
4444 | 8292 } |
8293 #endif | |
8294 | |
8295 /* | |
8296 * Match a regexp against multiple lines. | |
8297 * "rmp->regprog" is a compiled regexp as returned by vim_regcomp(). | |
6375 | 8298 * Note: "rmp->regprog" may be freed and changed. |
4444 | 8299 * Uses curbuf for line count and 'iskeyword'. |
8300 * | |
8301 * Return zero if there is no match. Return number of lines contained in the | |
8302 * match otherwise. | |
8303 */ | |
8304 long | |
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
8305 vim_regexec_multi( |
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
8306 regmmatch_T *rmp, |
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
8307 win_T *win, /* window in which to search or NULL */ |
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
8308 buf_T *buf, /* buffer in which to search */ |
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
8309 linenr_T lnum, /* nr of line to start looking for match */ |
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
8310 colnr_T col, /* column to start looking for match */ |
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
8311 proftime_T *tm) /* timeout limit or NULL */ |
4444 | 8312 { |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
8313 int result; |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
8314 regexec_T rex_save; |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
8315 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
|
8316 |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
8317 if (rex_in_use) |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
8318 /* Being called recursively, save the state. */ |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
8319 rex_save = rex; |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
8320 rex_in_use = TRUE; |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
8321 |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
8322 result = rmp->regprog->engine->regexec_multi(rmp, win, buf, lnum, col, tm); |
6328 | 8323 |
8324 /* NFA engine aborted because it's very slow. */ | |
8325 if (rmp->regprog->re_engine == AUTOMATIC_ENGINE | |
8326 && result == NFA_TOO_EXPENSIVE) | |
8327 { | |
8328 int save_p_re = p_re; | |
8329 int re_flags = rmp->regprog->re_flags; | |
8330 char_u *pat = vim_strsave(((nfa_regprog_T *)rmp->regprog)->pattern); | |
8331 | |
8332 p_re = BACKTRACKING_ENGINE; | |
8333 vim_regfree(rmp->regprog); | |
8334 if (pat != NULL) | |
8335 { | |
8336 #ifdef FEAT_EVAL | |
8337 report_re_switch(pat); | |
8338 #endif | |
8339 rmp->regprog = vim_regcomp(pat, re_flags); | |
8340 if (rmp->regprog != NULL) | |
8341 result = rmp->regprog->engine->regexec_multi( | |
8342 rmp, win, buf, lnum, col, tm); | |
8343 vim_free(pat); | |
8344 } | |
8345 p_re = save_p_re; | |
8346 } | |
8347 | |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
8348 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
|
8349 if (rex_in_use) |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
8350 rex = rex_save; |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
8351 |
6390 | 8352 return result <= 0 ? 0 : result; |
4444 | 8353 } |