Mercurial > vim
annotate src/regexp.c @ 29155:4d72bdf70625 v8.2.5097
patch 8.2.5097: using uninitialized memory when using 'listchars'
Commit: https://github.com/vim/vim/commit/74ac29cecd56457ee93f3f71b31b7a2e6d9712d6
Author: Bram Moolenaar <Bram@vim.org>
Date: Wed Jun 15 12:12:44 2022 +0100
patch 8.2.5097: using uninitialized memory when using 'listchars'
Problem: Using uninitialized memory when using 'listchars'.
Solution: Use the length returned by mb_char2bytes(). (closes https://github.com/vim/vim/issues/10576)
author | Bram Moolenaar <Bram@vim.org> |
---|---|
date | Wed, 15 Jun 2022 13:15:03 +0200 |
parents | b90bca860b5a |
children | 0af5fe160e4e |
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 | |
16395
a849fe2a4b21
patch 8.1.1202: always get regexp debugging logs when building with -DDEBUG
Bram Moolenaar <Bram@vim.org>
parents:
16054
diff
changeset
|
6 // By default: do not create debugging logs or files related to regular |
a849fe2a4b21
patch 8.1.1202: always get regexp debugging logs when building with -DDEBUG
Bram Moolenaar <Bram@vim.org>
parents:
16054
diff
changeset
|
7 // expressions, even when compiling with -DDEBUG. |
a849fe2a4b21
patch 8.1.1202: always get regexp debugging logs when building with -DDEBUG
Bram Moolenaar <Bram@vim.org>
parents:
16054
diff
changeset
|
8 // Uncomment the second line to get the regexp debugging. |
a849fe2a4b21
patch 8.1.1202: always get regexp debugging logs when building with -DDEBUG
Bram Moolenaar <Bram@vim.org>
parents:
16054
diff
changeset
|
9 #undef DEBUG |
a849fe2a4b21
patch 8.1.1202: always get regexp debugging logs when building with -DDEBUG
Bram Moolenaar <Bram@vim.org>
parents:
16054
diff
changeset
|
10 // #define DEBUG |
4444 | 11 |
7 | 12 #include "vim.h" |
13 | |
4444 | 14 #ifdef DEBUG |
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
15 // show/save debugging data when BT engine is used |
4444 | 16 # define BT_REGEXP_DUMP |
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
17 // save the debugging data to a file instead of displaying it |
4444 | 18 # define BT_REGEXP_LOG |
4460 | 19 # define BT_REGEXP_DEBUG_LOG |
20 # define BT_REGEXP_DEBUG_LOG_NAME "bt_regexp_debug.log" | |
4444 | 21 #endif |
7 | 22 |
29071
b90bca860b5a
patch 8.2.5057: using gettimeofday() for timeout is very inefficient
Bram Moolenaar <Bram@vim.org>
parents:
29048
diff
changeset
|
23 #ifdef FEAT_RELTIME |
b90bca860b5a
patch 8.2.5057: using gettimeofday() for timeout is very inefficient
Bram Moolenaar <Bram@vim.org>
parents:
29048
diff
changeset
|
24 static int dummy_timeout_flag = 0; |
b90bca860b5a
patch 8.2.5057: using gettimeofday() for timeout is very inefficient
Bram Moolenaar <Bram@vim.org>
parents:
29048
diff
changeset
|
25 static const int *timeout_flag = &dummy_timeout_flag; |
b90bca860b5a
patch 8.2.5057: using gettimeofday() for timeout is very inefficient
Bram Moolenaar <Bram@vim.org>
parents:
29048
diff
changeset
|
26 #endif |
b90bca860b5a
patch 8.2.5057: using gettimeofday() for timeout is very inefficient
Bram Moolenaar <Bram@vim.org>
parents:
29048
diff
changeset
|
27 |
7 | 28 /* |
29 * Magic characters have a special meaning, they don't match literally. | |
30 * Magic characters are negative. This separates them from literal characters | |
31 * (possibly multi-byte). Only ASCII characters can be Magic. | |
32 */ | |
33 #define Magic(x) ((int)(x) - 256) | |
34 #define un_Magic(x) ((x) + 256) | |
35 #define is_Magic(x) ((x) < 0) | |
36 | |
37 static int | |
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
38 no_Magic(int x) |
7 | 39 { |
40 if (is_Magic(x)) | |
41 return un_Magic(x); | |
42 return x; | |
43 } | |
44 | |
45 static int | |
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
46 toggle_Magic(int x) |
7 | 47 { |
48 if (is_Magic(x)) | |
49 return un_Magic(x); | |
50 return Magic(x); | |
51 } | |
52 | |
29071
b90bca860b5a
patch 8.2.5057: using gettimeofday() for timeout is very inefficient
Bram Moolenaar <Bram@vim.org>
parents:
29048
diff
changeset
|
53 #ifdef FEAT_RELTIME |
b90bca860b5a
patch 8.2.5057: using gettimeofday() for timeout is very inefficient
Bram Moolenaar <Bram@vim.org>
parents:
29048
diff
changeset
|
54 void |
b90bca860b5a
patch 8.2.5057: using gettimeofday() for timeout is very inefficient
Bram Moolenaar <Bram@vim.org>
parents:
29048
diff
changeset
|
55 init_regexp_timeout(long msec) |
b90bca860b5a
patch 8.2.5057: using gettimeofday() for timeout is very inefficient
Bram Moolenaar <Bram@vim.org>
parents:
29048
diff
changeset
|
56 { |
b90bca860b5a
patch 8.2.5057: using gettimeofday() for timeout is very inefficient
Bram Moolenaar <Bram@vim.org>
parents:
29048
diff
changeset
|
57 timeout_flag = start_timeout(msec); |
b90bca860b5a
patch 8.2.5057: using gettimeofday() for timeout is very inefficient
Bram Moolenaar <Bram@vim.org>
parents:
29048
diff
changeset
|
58 } |
b90bca860b5a
patch 8.2.5057: using gettimeofday() for timeout is very inefficient
Bram Moolenaar <Bram@vim.org>
parents:
29048
diff
changeset
|
59 |
b90bca860b5a
patch 8.2.5057: using gettimeofday() for timeout is very inefficient
Bram Moolenaar <Bram@vim.org>
parents:
29048
diff
changeset
|
60 void |
b90bca860b5a
patch 8.2.5057: using gettimeofday() for timeout is very inefficient
Bram Moolenaar <Bram@vim.org>
parents:
29048
diff
changeset
|
61 disable_regexp_timeout(void) |
b90bca860b5a
patch 8.2.5057: using gettimeofday() for timeout is very inefficient
Bram Moolenaar <Bram@vim.org>
parents:
29048
diff
changeset
|
62 { |
b90bca860b5a
patch 8.2.5057: using gettimeofday() for timeout is very inefficient
Bram Moolenaar <Bram@vim.org>
parents:
29048
diff
changeset
|
63 stop_timeout(); |
b90bca860b5a
patch 8.2.5057: using gettimeofday() for timeout is very inefficient
Bram Moolenaar <Bram@vim.org>
parents:
29048
diff
changeset
|
64 } |
b90bca860b5a
patch 8.2.5057: using gettimeofday() for timeout is very inefficient
Bram Moolenaar <Bram@vim.org>
parents:
29048
diff
changeset
|
65 #endif |
b90bca860b5a
patch 8.2.5057: using gettimeofday() for timeout is very inefficient
Bram Moolenaar <Bram@vim.org>
parents:
29048
diff
changeset
|
66 |
7 | 67 /* |
18019
68fd5296bf73
patch 8.1.2005: the regexp.c file is too big
Bram Moolenaar <Bram@vim.org>
parents:
17966
diff
changeset
|
68 * The first byte of the BT regexp internal "program" is actually this magic |
7 | 69 * number; the start node begins in the second byte. It's used to catch the |
70 * most severe mutilation of the program by the caller. | |
71 */ | |
72 | |
73 #define REGMAGIC 0234 | |
74 | |
75 /* | |
76 * Utility definitions. | |
77 */ | |
78 #define UCHARAT(p) ((int)*(char_u *)(p)) | |
79 | |
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
80 // Used for an error (down from) vim_regcomp(): give the error message, set |
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
81 // rc_did_emsg and return NULL |
15470
55ccc2d353bd
patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents:
15339
diff
changeset
|
82 #define EMSG_RET_NULL(m) return (emsg((m)), rc_did_emsg = TRUE, (void *)NULL) |
55ccc2d353bd
patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents:
15339
diff
changeset
|
83 #define IEMSG_RET_NULL(m) return (iemsg((m)), rc_did_emsg = TRUE, (void *)NULL) |
55ccc2d353bd
patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents:
15339
diff
changeset
|
84 #define EMSG_RET_FAIL(m) return (emsg((m)), rc_did_emsg = TRUE, FAIL) |
55ccc2d353bd
patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents:
15339
diff
changeset
|
85 #define EMSG2_RET_NULL(m, c) return (semsg((const char *)(m), (c) ? "" : "\\"), rc_did_emsg = TRUE, (void *)NULL) |
15480
bd12ace1bab2
patch 8.1.0748: using sprintf() instead of semsg()
Bram Moolenaar <Bram@vim.org>
parents:
15470
diff
changeset
|
86 #define EMSG3_RET_NULL(m, c, a) return (semsg((const char *)(m), (c) ? "" : "\\", (a)), rc_did_emsg = TRUE, (void *)NULL) |
15470
55ccc2d353bd
patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents:
15339
diff
changeset
|
87 #define EMSG2_RET_FAIL(m, c) return (semsg((const char *)(m), (c) ? "" : "\\"), rc_did_emsg = TRUE, FAIL) |
26913
d4e61d61afd9
patch 8.2.3985: error messages are spread out
Bram Moolenaar <Bram@vim.org>
parents:
26841
diff
changeset
|
88 #define EMSG_ONE_RET_NULL EMSG2_RET_NULL(_(e_invalid_item_in_str_brackets), reg_magic == MAGIC_ALL) |
7 | 89 |
10359
66f1b5bf3fa6
commit https://github.com/vim/vim/commit/95f096030ed1a8afea028f2ea295d6f6a70f466f
Christian Brabandt <cb@256bit.org>
parents:
10245
diff
changeset
|
90 |
7 | 91 #define MAX_LIMIT (32767L << 16L) |
92 | |
93 #define NOT_MULTI 0 | |
94 #define MULTI_ONE 1 | |
95 #define MULTI_MULT 2 | |
18019
68fd5296bf73
patch 8.1.2005: the regexp.c file is too big
Bram Moolenaar <Bram@vim.org>
parents:
17966
diff
changeset
|
96 |
68fd5296bf73
patch 8.1.2005: the regexp.c file is too big
Bram Moolenaar <Bram@vim.org>
parents:
17966
diff
changeset
|
97 // return values for regmatch() |
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
98 #define RA_FAIL 1 // something failed, abort |
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
99 #define RA_CONT 2 // continue in inner loop |
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
100 #define RA_BREAK 3 // break inner loop |
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
101 #define RA_MATCH 4 // successful match |
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
102 #define RA_NOMATCH 5 // didn't match |
18019
68fd5296bf73
patch 8.1.2005: the regexp.c file is too big
Bram Moolenaar <Bram@vim.org>
parents:
17966
diff
changeset
|
103 |
7 | 104 /* |
105 * Return NOT_MULTI if c is not a "multi" operator. | |
106 * Return MULTI_ONE if c is a single "multi" operator. | |
107 * Return MULTI_MULT if c is a multi "multi" operator. | |
108 */ | |
109 static int | |
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
110 re_multi_type(int c) |
7 | 111 { |
112 if (c == Magic('@') || c == Magic('=') || c == Magic('?')) | |
113 return MULTI_ONE; | |
114 if (c == Magic('*') || c == Magic('+') || c == Magic('{')) | |
115 return MULTI_MULT; | |
116 return NOT_MULTI; | |
117 } | |
118 | |
359 | 119 static char_u *reg_prev_sub = NULL; |
120 | |
7 | 121 /* |
122 * REGEXP_INRANGE contains all characters which are always special in a [] | |
123 * range after '\'. | |
124 * REGEXP_ABBR contains all characters which act as abbreviations after '\'. | |
125 * These are: | |
126 * \n - New line (NL). | |
127 * \r - Carriage Return (CR). | |
128 * \t - Tab (TAB). | |
129 * \e - Escape (ESC). | |
130 * \b - Backspace (Ctrl_H). | |
24 | 131 * \d - Character code in decimal, eg \d123 |
132 * \o - Character code in octal, eg \o80 | |
133 * \x - Character code in hex, eg \x4a | |
134 * \u - Multibyte character code, eg \u20ac | |
135 * \U - Long multibyte character code, eg \U12345678 | |
7 | 136 */ |
137 static char_u REGEXP_INRANGE[] = "]^-n\\"; | |
24 | 138 static char_u REGEXP_ABBR[] = "nrtebdoxuU"; |
7 | 139 |
140 /* | |
141 * Translate '\x' to its control character, except "\n", which is Magic. | |
142 */ | |
143 static int | |
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
144 backslash_trans(int c) |
7 | 145 { |
146 switch (c) | |
147 { | |
148 case 'r': return CAR; | |
149 case 't': return TAB; | |
150 case 'e': return ESC; | |
151 case 'b': return BS; | |
152 } | |
153 return c; | |
154 } | |
155 | |
156 /* | |
167 | 157 * Check for a character class name "[:name:]". "pp" points to the '['. |
7 | 158 * Returns one of the CLASS_ items. CLASS_NONE means that no item was |
159 * recognized. Otherwise "pp" is advanced to after the item. | |
160 */ | |
161 static int | |
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
162 get_char_class(char_u **pp) |
7 | 163 { |
164 static const char *(class_names[]) = | |
165 { | |
166 "alnum:]", | |
167 #define CLASS_ALNUM 0 | |
168 "alpha:]", | |
169 #define CLASS_ALPHA 1 | |
170 "blank:]", | |
171 #define CLASS_BLANK 2 | |
172 "cntrl:]", | |
173 #define CLASS_CNTRL 3 | |
174 "digit:]", | |
175 #define CLASS_DIGIT 4 | |
176 "graph:]", | |
177 #define CLASS_GRAPH 5 | |
178 "lower:]", | |
179 #define CLASS_LOWER 6 | |
180 "print:]", | |
181 #define CLASS_PRINT 7 | |
182 "punct:]", | |
183 #define CLASS_PUNCT 8 | |
184 "space:]", | |
185 #define CLASS_SPACE 9 | |
186 "upper:]", | |
187 #define CLASS_UPPER 10 | |
188 "xdigit:]", | |
189 #define CLASS_XDIGIT 11 | |
190 "tab:]", | |
191 #define CLASS_TAB 12 | |
192 "return:]", | |
193 #define CLASS_RETURN 13 | |
194 "backspace:]", | |
195 #define CLASS_BACKSPACE 14 | |
196 "escape:]", | |
197 #define CLASS_ESCAPE 15 | |
15709
2e2f07561f4b
patch 8.1.0862: no verbose version of character classes
Bram Moolenaar <Bram@vim.org>
parents:
15603
diff
changeset
|
198 "ident:]", |
2e2f07561f4b
patch 8.1.0862: no verbose version of character classes
Bram Moolenaar <Bram@vim.org>
parents:
15603
diff
changeset
|
199 #define CLASS_IDENT 16 |
2e2f07561f4b
patch 8.1.0862: no verbose version of character classes
Bram Moolenaar <Bram@vim.org>
parents:
15603
diff
changeset
|
200 "keyword:]", |
2e2f07561f4b
patch 8.1.0862: no verbose version of character classes
Bram Moolenaar <Bram@vim.org>
parents:
15603
diff
changeset
|
201 #define CLASS_KEYWORD 17 |
2e2f07561f4b
patch 8.1.0862: no verbose version of character classes
Bram Moolenaar <Bram@vim.org>
parents:
15603
diff
changeset
|
202 "fname:]", |
2e2f07561f4b
patch 8.1.0862: no verbose version of character classes
Bram Moolenaar <Bram@vim.org>
parents:
15603
diff
changeset
|
203 #define CLASS_FNAME 18 |
7 | 204 }; |
205 #define CLASS_NONE 99 | |
206 int i; | |
207 | |
208 if ((*pp)[1] == ':') | |
209 { | |
24768
7334bf933510
patch 8.2.2922: computing array length is done in various ways
Bram Moolenaar <Bram@vim.org>
parents:
24745
diff
changeset
|
210 for (i = 0; i < (int)ARRAY_LENGTH(class_names); ++i) |
7 | 211 if (STRNCMP(*pp + 2, class_names[i], STRLEN(class_names[i])) == 0) |
212 { | |
213 *pp += STRLEN(class_names[i]) + 2; | |
214 return i; | |
215 } | |
216 } | |
217 return CLASS_NONE; | |
218 } | |
219 | |
220 /* | |
221 * Specific version of character class functions. | |
222 * Using a table to keep this fast. | |
223 */ | |
224 static short class_tab[256]; | |
225 | |
226 #define RI_DIGIT 0x01 | |
227 #define RI_HEX 0x02 | |
228 #define RI_OCTAL 0x04 | |
229 #define RI_WORD 0x08 | |
230 #define RI_HEAD 0x10 | |
231 #define RI_ALPHA 0x20 | |
232 #define RI_LOWER 0x40 | |
233 #define RI_UPPER 0x80 | |
234 #define RI_WHITE 0x100 | |
235 | |
236 static void | |
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
237 init_class_tab(void) |
7 | 238 { |
239 int i; | |
240 static int done = FALSE; | |
241 | |
242 if (done) | |
243 return; | |
244 | |
245 for (i = 0; i < 256; ++i) | |
246 { | |
247 if (i >= '0' && i <= '7') | |
248 class_tab[i] = RI_DIGIT + RI_HEX + RI_OCTAL + RI_WORD; | |
249 else if (i >= '8' && i <= '9') | |
250 class_tab[i] = RI_DIGIT + RI_HEX + RI_WORD; | |
251 else if (i >= 'a' && i <= 'f') | |
252 class_tab[i] = RI_HEX + RI_WORD + RI_HEAD + RI_ALPHA + RI_LOWER; | |
253 else if (i >= 'g' && i <= 'z') | |
254 class_tab[i] = RI_WORD + RI_HEAD + RI_ALPHA + RI_LOWER; | |
255 else if (i >= 'A' && i <= 'F') | |
256 class_tab[i] = RI_HEX + RI_WORD + RI_HEAD + RI_ALPHA + RI_UPPER; | |
257 else if (i >= 'G' && i <= 'Z') | |
258 class_tab[i] = RI_WORD + RI_HEAD + RI_ALPHA + RI_UPPER; | |
259 else if (i == '_') | |
260 class_tab[i] = RI_WORD + RI_HEAD; | |
261 else | |
262 class_tab[i] = 0; | |
263 } | |
264 class_tab[' '] |= RI_WHITE; | |
265 class_tab['\t'] |= RI_WHITE; | |
266 done = TRUE; | |
267 } | |
268 | |
27752
c1d1639b52dd
patch 8.2.4402: missing parenthesis may cause unexpected problems
Bram Moolenaar <Bram@vim.org>
parents:
27490
diff
changeset
|
269 #define ri_digit(c) ((c) < 0x100 && (class_tab[c] & RI_DIGIT)) |
c1d1639b52dd
patch 8.2.4402: missing parenthesis may cause unexpected problems
Bram Moolenaar <Bram@vim.org>
parents:
27490
diff
changeset
|
270 #define ri_hex(c) ((c) < 0x100 && (class_tab[c] & RI_HEX)) |
c1d1639b52dd
patch 8.2.4402: missing parenthesis may cause unexpected problems
Bram Moolenaar <Bram@vim.org>
parents:
27490
diff
changeset
|
271 #define ri_octal(c) ((c) < 0x100 && (class_tab[c] & RI_OCTAL)) |
c1d1639b52dd
patch 8.2.4402: missing parenthesis may cause unexpected problems
Bram Moolenaar <Bram@vim.org>
parents:
27490
diff
changeset
|
272 #define ri_word(c) ((c) < 0x100 && (class_tab[c] & RI_WORD)) |
c1d1639b52dd
patch 8.2.4402: missing parenthesis may cause unexpected problems
Bram Moolenaar <Bram@vim.org>
parents:
27490
diff
changeset
|
273 #define ri_head(c) ((c) < 0x100 && (class_tab[c] & RI_HEAD)) |
c1d1639b52dd
patch 8.2.4402: missing parenthesis may cause unexpected problems
Bram Moolenaar <Bram@vim.org>
parents:
27490
diff
changeset
|
274 #define ri_alpha(c) ((c) < 0x100 && (class_tab[c] & RI_ALPHA)) |
c1d1639b52dd
patch 8.2.4402: missing parenthesis may cause unexpected problems
Bram Moolenaar <Bram@vim.org>
parents:
27490
diff
changeset
|
275 #define ri_lower(c) ((c) < 0x100 && (class_tab[c] & RI_LOWER)) |
c1d1639b52dd
patch 8.2.4402: missing parenthesis may cause unexpected problems
Bram Moolenaar <Bram@vim.org>
parents:
27490
diff
changeset
|
276 #define ri_upper(c) ((c) < 0x100 && (class_tab[c] & RI_UPPER)) |
c1d1639b52dd
patch 8.2.4402: missing parenthesis may cause unexpected problems
Bram Moolenaar <Bram@vim.org>
parents:
27490
diff
changeset
|
277 #define ri_white(c) ((c) < 0x100 && (class_tab[c] & RI_WHITE)) |
7 | 278 |
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
279 // flags for regflags |
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
280 #define RF_ICASE 1 // ignore case |
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
281 #define RF_NOICASE 2 // don't ignore case |
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
282 #define RF_HASNL 4 // can match a NL |
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
283 #define RF_ICOMBINE 8 // ignore combining characters |
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
284 #define RF_LOOKBH 16 // uses "\@<=" or "\@<!" |
7 | 285 |
286 /* | |
287 * Global work variables for vim_regcomp(). | |
288 */ | |
289 | |
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
290 static char_u *regparse; // Input-scan pointer. |
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
291 static int regnpar; // () count. |
23471
a7cdfc8e4b6e
patch 8.2.2278: falling back to old regexp engine can some patterns
Bram Moolenaar <Bram@vim.org>
parents:
22167
diff
changeset
|
292 static int wants_nfa; // regex should use NFA engine |
7 | 293 #ifdef FEAT_SYN_HL |
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
294 static int regnzpar; // \z() count. |
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
295 static int re_has_z; // \z item detected |
7 | 296 #endif |
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
297 static unsigned regflags; // RF_ flags for prog |
7 | 298 #if defined(FEAT_SYN_HL) || defined(PROTO) |
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
299 static int had_eol; // TRUE when EOL found by vim_regcomp() |
7 | 300 #endif |
301 | |
23505
bb29b09902d5
patch 8.2.2295: incsearch does not detect empty pattern properly
Bram Moolenaar <Bram@vim.org>
parents:
23471
diff
changeset
|
302 static magic_T reg_magic; // magicness of the pattern |
7 | 303 |
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
304 static int reg_string; // matching with a string instead of a buffer |
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
305 // line |
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
306 static int reg_strict; // "[abc" is illegal |
7 | 307 |
308 /* | |
309 * META contains all characters that may be magic, except '^' and '$'. | |
310 */ | |
311 | |
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
312 // META[] is used often enough to justify turning it into a table. |
7 | 313 static char_u META_flags[] = { |
314 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, | |
315 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, | |
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
316 // % & ( ) * + . |
7 | 317 0, 0, 0, 0, 0, 1, 1, 0, 1, 1, 1, 1, 0, 0, 1, 0, |
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
318 // 1 2 3 4 5 6 7 8 9 < = > ? |
7 | 319 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 1, 1, 1, 1, |
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
320 // @ A C D F H I K L M O |
7 | 321 1, 1, 0, 1, 1, 0, 1, 0, 1, 1, 0, 1, 1, 1, 0, 1, |
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
322 // P S U V W X Z [ _ |
7 | 323 1, 0, 0, 1, 0, 1, 1, 1, 1, 0, 1, 1, 0, 0, 0, 1, |
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
324 // a c d f h i k l m n o |
7 | 325 0, 1, 0, 1, 1, 0, 1, 0, 1, 1, 0, 1, 1, 1, 1, 1, |
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
326 // p s u v w x z { | ~ |
7 | 327 1, 0, 0, 1, 0, 1, 1, 1, 1, 0, 1, 1, 1, 0, 1 |
328 }; | |
329 | |
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
330 static int curchr; // currently parsed character |
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
331 // Previous character. Note: prevchr is sometimes -1 when we are not at the |
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
332 // start, eg in /[ ^I]^ the pattern was never found even if it existed, |
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
333 // because ^ was taken to be magic -- webb |
4444 | 334 static int prevchr; |
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
335 static int prevprevchr; // previous-previous character |
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
336 static int nextchr; // used for ungetchr() |
7 | 337 |
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
338 // arguments for reg() |
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
339 #define REG_NOPAREN 0 // toplevel reg() |
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
340 #define REG_PAREN 1 // \(\) |
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
341 #define REG_ZPAREN 2 // \z(\) |
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
342 #define REG_NPAREN 3 // \%(\) |
7 | 343 |
4679
4d92b873acef
updated for version 7.3.1087
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
344 typedef struct |
4d92b873acef
updated for version 7.3.1087
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
345 { |
4d92b873acef
updated for version 7.3.1087
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
346 char_u *regparse; |
4d92b873acef
updated for version 7.3.1087
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
347 int prevchr_len; |
4d92b873acef
updated for version 7.3.1087
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
348 int curchr; |
4d92b873acef
updated for version 7.3.1087
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
349 int prevchr; |
4d92b873acef
updated for version 7.3.1087
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
350 int prevprevchr; |
4d92b873acef
updated for version 7.3.1087
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
351 int nextchr; |
4d92b873acef
updated for version 7.3.1087
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
352 int at_start; |
4d92b873acef
updated for version 7.3.1087
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
353 int prev_at_start; |
4d92b873acef
updated for version 7.3.1087
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
354 int regnpar; |
4d92b873acef
updated for version 7.3.1087
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
355 } parse_state_T; |
4d92b873acef
updated for version 7.3.1087
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
356 |
7805
0b6c37dd858d
commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077
Christian Brabandt <cb@256bit.org>
parents:
7009
diff
changeset
|
357 static void initchr(char_u *); |
0b6c37dd858d
commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077
Christian Brabandt <cb@256bit.org>
parents:
7009
diff
changeset
|
358 static int getchr(void); |
0b6c37dd858d
commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077
Christian Brabandt <cb@256bit.org>
parents:
7009
diff
changeset
|
359 static void skipchr_keepstart(void); |
0b6c37dd858d
commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077
Christian Brabandt <cb@256bit.org>
parents:
7009
diff
changeset
|
360 static int peekchr(void); |
0b6c37dd858d
commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077
Christian Brabandt <cb@256bit.org>
parents:
7009
diff
changeset
|
361 static void skipchr(void); |
0b6c37dd858d
commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077
Christian Brabandt <cb@256bit.org>
parents:
7009
diff
changeset
|
362 static void ungetchr(void); |
12752
09c856605191
patch 8.0.1254: undefined left shift in gethexchrs()
Christian Brabandt <cb@256bit.org>
parents:
12674
diff
changeset
|
363 static long gethexchrs(int maxinputlen); |
09c856605191
patch 8.0.1254: undefined left shift in gethexchrs()
Christian Brabandt <cb@256bit.org>
parents:
12674
diff
changeset
|
364 static long getoctchrs(void); |
09c856605191
patch 8.0.1254: undefined left shift in gethexchrs()
Christian Brabandt <cb@256bit.org>
parents:
12674
diff
changeset
|
365 static long getdecchrs(void); |
7805
0b6c37dd858d
commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077
Christian Brabandt <cb@256bit.org>
parents:
7009
diff
changeset
|
366 static int coll_get_char(void); |
0b6c37dd858d
commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077
Christian Brabandt <cb@256bit.org>
parents:
7009
diff
changeset
|
367 static int prog_magic_wrong(void); |
18019
68fd5296bf73
patch 8.1.2005: the regexp.c file is too big
Bram Moolenaar <Bram@vim.org>
parents:
17966
diff
changeset
|
368 static int cstrncmp(char_u *s1, char_u *s2, int *n); |
68fd5296bf73
patch 8.1.2005: the regexp.c file is too big
Bram Moolenaar <Bram@vim.org>
parents:
17966
diff
changeset
|
369 static char_u *cstrchr(char_u *, int); |
68fd5296bf73
patch 8.1.2005: the regexp.c file is too big
Bram Moolenaar <Bram@vim.org>
parents:
17966
diff
changeset
|
370 static int re_mult_next(char *what); |
15709
2e2f07561f4b
patch 8.1.0862: no verbose version of character classes
Bram Moolenaar <Bram@vim.org>
parents:
15603
diff
changeset
|
371 static int reg_iswordc(int); |
23471
a7cdfc8e4b6e
patch 8.2.2278: falling back to old regexp engine can some patterns
Bram Moolenaar <Bram@vim.org>
parents:
22167
diff
changeset
|
372 #ifdef FEAT_EVAL |
a7cdfc8e4b6e
patch 8.2.2278: falling back to old regexp engine can some patterns
Bram Moolenaar <Bram@vim.org>
parents:
22167
diff
changeset
|
373 static void report_re_switch(char_u *pat); |
a7cdfc8e4b6e
patch 8.2.2278: falling back to old regexp engine can some patterns
Bram Moolenaar <Bram@vim.org>
parents:
22167
diff
changeset
|
374 #endif |
7 | 375 |
4444 | 376 static regengine_T bt_regengine; |
377 static regengine_T nfa_regengine; | |
378 | |
7 | 379 /* |
380 * Return TRUE if compiled regular expression "prog" can match a line break. | |
381 */ | |
382 int | |
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
383 re_multiline(regprog_T *prog) |
7 | 384 { |
385 return (prog->regflags & RF_HASNL); | |
386 } | |
387 | |
388 /* | |
167 | 389 * Check for an equivalence class name "[=a=]". "pp" points to the '['. |
390 * Returns a character representing the class. Zero means that no item was | |
391 * recognized. Otherwise "pp" is advanced to after the item. | |
392 */ | |
393 static int | |
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
394 get_equi_class(char_u **pp) |
167 | 395 { |
396 int c; | |
397 int l = 1; | |
398 char_u *p = *pp; | |
399 | |
15854
4ac1c185b0b8
patch 8.1.0934: invalid memory access in search pattern
Bram Moolenaar <Bram@vim.org>
parents:
15792
diff
changeset
|
400 if (p[1] == '=' && p[2] != NUL) |
167 | 401 { |
402 if (has_mbyte) | |
474 | 403 l = (*mb_ptr2len)(p + 2); |
167 | 404 if (p[l + 2] == '=' && p[l + 3] == ']') |
405 { | |
406 if (has_mbyte) | |
407 c = mb_ptr2char(p + 2); | |
408 else | |
409 c = p[2]; | |
410 *pp += l + 4; | |
411 return c; | |
412 } | |
413 } | |
414 return 0; | |
415 } | |
416 | |
417 /* | |
418 * Check for a collating element "[.a.]". "pp" points to the '['. | |
419 * Returns a character. Zero means that no item was recognized. Otherwise | |
420 * "pp" is advanced to after the item. | |
421 * Currently only single characters are recognized! | |
422 */ | |
423 static int | |
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
424 get_coll_element(char_u **pp) |
167 | 425 { |
426 int c; | |
427 int l = 1; | |
428 char_u *p = *pp; | |
429 | |
15860
9cd9bf2897de
patch 8.1.0937: invalid memory access in search pattern
Bram Moolenaar <Bram@vim.org>
parents:
15856
diff
changeset
|
430 if (p[0] != NUL && p[1] == '.' && p[2] != NUL) |
167 | 431 { |
432 if (has_mbyte) | |
474 | 433 l = (*mb_ptr2len)(p + 2); |
167 | 434 if (p[l + 2] == '.' && p[l + 3] == ']') |
435 { | |
436 if (has_mbyte) | |
437 c = mb_ptr2char(p + 2); | |
438 else | |
439 c = p[2]; | |
440 *pp += l + 4; | |
441 return c; | |
442 } | |
443 } | |
444 return 0; | |
445 } | |
446 | |
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
447 static int reg_cpo_lit; // 'cpoptions' contains 'l' flag |
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
448 static int reg_cpo_bsl; // 'cpoptions' contains '\' flag |
4744
a62695305e03
updated for version 7.3.1119
Bram Moolenaar <bram@vim.org>
parents:
4732
diff
changeset
|
449 |
a62695305e03
updated for version 7.3.1119
Bram Moolenaar <bram@vim.org>
parents:
4732
diff
changeset
|
450 static void |
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
451 get_cpo_flags(void) |
4744
a62695305e03
updated for version 7.3.1119
Bram Moolenaar <bram@vim.org>
parents:
4732
diff
changeset
|
452 { |
a62695305e03
updated for version 7.3.1119
Bram Moolenaar <bram@vim.org>
parents:
4732
diff
changeset
|
453 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
|
454 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
|
455 } |
167 | 456 |
457 /* | |
458 * Skip over a "[]" range. | |
459 * "p" must point to the character after the '['. | |
460 * The returned pointer is on the matching ']', or the terminating NUL. | |
461 */ | |
462 static char_u * | |
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
463 skip_anyof(char_u *p) |
167 | 464 { |
465 int l; | |
466 | |
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
467 if (*p == '^') // Complement of range. |
167 | 468 ++p; |
469 if (*p == ']' || *p == '-') | |
470 ++p; | |
471 while (*p != NUL && *p != ']') | |
472 { | |
474 | 473 if (has_mbyte && (l = (*mb_ptr2len)(p)) > 1) |
167 | 474 p += l; |
475 else | |
476 if (*p == '-') | |
477 { | |
478 ++p; | |
479 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
|
480 MB_PTR_ADV(p); |
167 | 481 } |
482 else if (*p == '\\' | |
4744
a62695305e03
updated for version 7.3.1119
Bram Moolenaar <bram@vim.org>
parents:
4732
diff
changeset
|
483 && !reg_cpo_bsl |
167 | 484 && (vim_strchr(REGEXP_INRANGE, p[1]) != NULL |
4744
a62695305e03
updated for version 7.3.1119
Bram Moolenaar <bram@vim.org>
parents:
4732
diff
changeset
|
485 || (!reg_cpo_lit && vim_strchr(REGEXP_ABBR, p[1]) != NULL))) |
167 | 486 p += 2; |
487 else if (*p == '[') | |
488 { | |
489 if (get_char_class(&p) == CLASS_NONE | |
490 && get_equi_class(&p) == 0 | |
6830 | 491 && get_coll_element(&p) == 0 |
492 && *p != NUL) | |
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
493 ++p; // it is not a class name and not NUL |
167 | 494 } |
495 else | |
496 ++p; | |
497 } | |
498 | |
499 return p; | |
500 } | |
501 | |
502 /* | |
7 | 503 * Skip past regular expression. |
20113
2c23053c654a
patch 8.2.0612: Vim9: no check for space before #comment
Bram Moolenaar <Bram@vim.org>
parents:
20007
diff
changeset
|
504 * Stop at end of "startp" or where "delim" is found ('/', '?', etc). |
7 | 505 * Take care of characters with a backslash in front of it. |
506 * Skip strings inside [ and ]. | |
507 */ | |
508 char_u * | |
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
509 skip_regexp( |
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
510 char_u *startp, |
20113
2c23053c654a
patch 8.2.0612: Vim9: no check for space before #comment
Bram Moolenaar <Bram@vim.org>
parents:
20007
diff
changeset
|
511 int delim, |
19892
5feb426d2ea1
patch 8.2.0502: Vim9: some code is not tested
Bram Moolenaar <Bram@vim.org>
parents:
19405
diff
changeset
|
512 int magic) |
5feb426d2ea1
patch 8.2.0502: Vim9: some code is not tested
Bram Moolenaar <Bram@vim.org>
parents:
19405
diff
changeset
|
513 { |
23505
bb29b09902d5
patch 8.2.2295: incsearch does not detect empty pattern properly
Bram Moolenaar <Bram@vim.org>
parents:
23471
diff
changeset
|
514 return skip_regexp_ex(startp, delim, magic, NULL, NULL, NULL); |
20113
2c23053c654a
patch 8.2.0612: Vim9: no check for space before #comment
Bram Moolenaar <Bram@vim.org>
parents:
20007
diff
changeset
|
515 } |
2c23053c654a
patch 8.2.0612: Vim9: no check for space before #comment
Bram Moolenaar <Bram@vim.org>
parents:
20007
diff
changeset
|
516 |
2c23053c654a
patch 8.2.0612: Vim9: no check for space before #comment
Bram Moolenaar <Bram@vim.org>
parents:
20007
diff
changeset
|
517 /* |
2c23053c654a
patch 8.2.0612: Vim9: no check for space before #comment
Bram Moolenaar <Bram@vim.org>
parents:
20007
diff
changeset
|
518 * Call skip_regexp() and when the delimiter does not match give an error and |
2c23053c654a
patch 8.2.0612: Vim9: no check for space before #comment
Bram Moolenaar <Bram@vim.org>
parents:
20007
diff
changeset
|
519 * return NULL. |
2c23053c654a
patch 8.2.0612: Vim9: no check for space before #comment
Bram Moolenaar <Bram@vim.org>
parents:
20007
diff
changeset
|
520 */ |
2c23053c654a
patch 8.2.0612: Vim9: no check for space before #comment
Bram Moolenaar <Bram@vim.org>
parents:
20007
diff
changeset
|
521 char_u * |
2c23053c654a
patch 8.2.0612: Vim9: no check for space before #comment
Bram Moolenaar <Bram@vim.org>
parents:
20007
diff
changeset
|
522 skip_regexp_err( |
2c23053c654a
patch 8.2.0612: Vim9: no check for space before #comment
Bram Moolenaar <Bram@vim.org>
parents:
20007
diff
changeset
|
523 char_u *startp, |
2c23053c654a
patch 8.2.0612: Vim9: no check for space before #comment
Bram Moolenaar <Bram@vim.org>
parents:
20007
diff
changeset
|
524 int delim, |
2c23053c654a
patch 8.2.0612: Vim9: no check for space before #comment
Bram Moolenaar <Bram@vim.org>
parents:
20007
diff
changeset
|
525 int magic) |
2c23053c654a
patch 8.2.0612: Vim9: no check for space before #comment
Bram Moolenaar <Bram@vim.org>
parents:
20007
diff
changeset
|
526 { |
2c23053c654a
patch 8.2.0612: Vim9: no check for space before #comment
Bram Moolenaar <Bram@vim.org>
parents:
20007
diff
changeset
|
527 char_u *p = skip_regexp(startp, delim, magic); |
2c23053c654a
patch 8.2.0612: Vim9: no check for space before #comment
Bram Moolenaar <Bram@vim.org>
parents:
20007
diff
changeset
|
528 |
2c23053c654a
patch 8.2.0612: Vim9: no check for space before #comment
Bram Moolenaar <Bram@vim.org>
parents:
20007
diff
changeset
|
529 if (*p != delim) |
2c23053c654a
patch 8.2.0612: Vim9: no check for space before #comment
Bram Moolenaar <Bram@vim.org>
parents:
20007
diff
changeset
|
530 { |
26952
b34ddbca305c
patch 8.2.4005: error messages are spread out
Bram Moolenaar <Bram@vim.org>
parents:
26917
diff
changeset
|
531 semsg(_(e_missing_delimiter_after_search_pattern_str), startp); |
20113
2c23053c654a
patch 8.2.0612: Vim9: no check for space before #comment
Bram Moolenaar <Bram@vim.org>
parents:
20007
diff
changeset
|
532 return NULL; |
2c23053c654a
patch 8.2.0612: Vim9: no check for space before #comment
Bram Moolenaar <Bram@vim.org>
parents:
20007
diff
changeset
|
533 } |
2c23053c654a
patch 8.2.0612: Vim9: no check for space before #comment
Bram Moolenaar <Bram@vim.org>
parents:
20007
diff
changeset
|
534 return p; |
19892
5feb426d2ea1
patch 8.2.0502: Vim9: some code is not tested
Bram Moolenaar <Bram@vim.org>
parents:
19405
diff
changeset
|
535 } |
5feb426d2ea1
patch 8.2.0502: Vim9: some code is not tested
Bram Moolenaar <Bram@vim.org>
parents:
19405
diff
changeset
|
536 |
5feb426d2ea1
patch 8.2.0502: Vim9: some code is not tested
Bram Moolenaar <Bram@vim.org>
parents:
19405
diff
changeset
|
537 /* |
5feb426d2ea1
patch 8.2.0502: Vim9: some code is not tested
Bram Moolenaar <Bram@vim.org>
parents:
19405
diff
changeset
|
538 * skip_regexp() with extra arguments: |
5feb426d2ea1
patch 8.2.0502: Vim9: some code is not tested
Bram Moolenaar <Bram@vim.org>
parents:
19405
diff
changeset
|
539 * When "newp" is not NULL and "dirc" is '?', make an allocated copy of the |
5feb426d2ea1
patch 8.2.0502: Vim9: some code is not tested
Bram Moolenaar <Bram@vim.org>
parents:
19405
diff
changeset
|
540 * expression and change "\?" to "?". If "*newp" is not NULL the expression |
5feb426d2ea1
patch 8.2.0502: Vim9: some code is not tested
Bram Moolenaar <Bram@vim.org>
parents:
19405
diff
changeset
|
541 * is changed in-place. |
5feb426d2ea1
patch 8.2.0502: Vim9: some code is not tested
Bram Moolenaar <Bram@vim.org>
parents:
19405
diff
changeset
|
542 * If a "\?" is changed to "?" then "dropped" is incremented, unless NULL. |
23505
bb29b09902d5
patch 8.2.2295: incsearch does not detect empty pattern properly
Bram Moolenaar <Bram@vim.org>
parents:
23471
diff
changeset
|
543 * If "magic_val" is not NULL, returns the effective magicness of the pattern |
19892
5feb426d2ea1
patch 8.2.0502: Vim9: some code is not tested
Bram Moolenaar <Bram@vim.org>
parents:
19405
diff
changeset
|
544 */ |
5feb426d2ea1
patch 8.2.0502: Vim9: some code is not tested
Bram Moolenaar <Bram@vim.org>
parents:
19405
diff
changeset
|
545 char_u * |
5feb426d2ea1
patch 8.2.0502: Vim9: some code is not tested
Bram Moolenaar <Bram@vim.org>
parents:
19405
diff
changeset
|
546 skip_regexp_ex( |
5feb426d2ea1
patch 8.2.0502: Vim9: some code is not tested
Bram Moolenaar <Bram@vim.org>
parents:
19405
diff
changeset
|
547 char_u *startp, |
5feb426d2ea1
patch 8.2.0502: Vim9: some code is not tested
Bram Moolenaar <Bram@vim.org>
parents:
19405
diff
changeset
|
548 int dirc, |
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
549 int magic, |
19892
5feb426d2ea1
patch 8.2.0502: Vim9: some code is not tested
Bram Moolenaar <Bram@vim.org>
parents:
19405
diff
changeset
|
550 char_u **newp, |
23505
bb29b09902d5
patch 8.2.2295: incsearch does not detect empty pattern properly
Bram Moolenaar <Bram@vim.org>
parents:
23471
diff
changeset
|
551 int *dropped, |
bb29b09902d5
patch 8.2.2295: incsearch does not detect empty pattern properly
Bram Moolenaar <Bram@vim.org>
parents:
23471
diff
changeset
|
552 magic_T *magic_val) |
7 | 553 { |
23505
bb29b09902d5
patch 8.2.2295: incsearch does not detect empty pattern properly
Bram Moolenaar <Bram@vim.org>
parents:
23471
diff
changeset
|
554 magic_T mymagic; |
7 | 555 char_u *p = startp; |
556 | |
557 if (magic) | |
558 mymagic = MAGIC_ON; | |
559 else | |
560 mymagic = MAGIC_OFF; | |
4744
a62695305e03
updated for version 7.3.1119
Bram Moolenaar <bram@vim.org>
parents:
4732
diff
changeset
|
561 get_cpo_flags(); |
7 | 562 |
11127
506f5d8b7d8b
patch 8.0.0451: some macros are in lower case
Christian Brabandt <cb@256bit.org>
parents:
11121
diff
changeset
|
563 for (; p[0] != NUL; MB_PTR_ADV(p)) |
7 | 564 { |
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
565 if (p[0] == dirc) // found end of regexp |
7 | 566 break; |
567 if ((p[0] == '[' && mymagic >= MAGIC_ON) | |
568 || (p[0] == '\\' && p[1] == '[' && mymagic <= MAGIC_OFF)) | |
569 { | |
570 p = skip_anyof(p + 1); | |
571 if (p[0] == NUL) | |
572 break; | |
573 } | |
574 else if (p[0] == '\\' && p[1] != NUL) | |
575 { | |
576 if (dirc == '?' && newp != NULL && p[1] == '?') | |
577 { | |
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
578 // change "\?" to "?", make a copy first. |
7 | 579 if (*newp == NULL) |
580 { | |
581 *newp = vim_strsave(startp); | |
582 if (*newp != NULL) | |
583 p = *newp + (p - startp); | |
584 } | |
19892
5feb426d2ea1
patch 8.2.0502: Vim9: some code is not tested
Bram Moolenaar <Bram@vim.org>
parents:
19405
diff
changeset
|
585 if (dropped != NULL) |
5feb426d2ea1
patch 8.2.0502: Vim9: some code is not tested
Bram Moolenaar <Bram@vim.org>
parents:
19405
diff
changeset
|
586 ++*dropped; |
7 | 587 if (*newp != NULL) |
1621 | 588 STRMOVE(p, p + 1); |
7 | 589 else |
590 ++p; | |
591 } | |
592 else | |
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
593 ++p; // skip next character |
7 | 594 if (*p == 'v') |
595 mymagic = MAGIC_ALL; | |
596 else if (*p == 'V') | |
597 mymagic = MAGIC_NONE; | |
598 } | |
599 } | |
23505
bb29b09902d5
patch 8.2.2295: incsearch does not detect empty pattern properly
Bram Moolenaar <Bram@vim.org>
parents:
23471
diff
changeset
|
600 if (magic_val != NULL) |
bb29b09902d5
patch 8.2.2295: incsearch does not detect empty pattern properly
Bram Moolenaar <Bram@vim.org>
parents:
23471
diff
changeset
|
601 *magic_val = mymagic; |
7 | 602 return p; |
603 } | |
604 | |
11525
14b6b79d685b
patch 8.0.0645: no error for illegal back reference in NFA engine
Christian Brabandt <cb@256bit.org>
parents:
11521
diff
changeset
|
605 /* |
18019
68fd5296bf73
patch 8.1.2005: the regexp.c file is too big
Bram Moolenaar <Bram@vim.org>
parents:
17966
diff
changeset
|
606 * Functions for getting characters from the regexp input. |
7 | 607 */ |
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
608 static int prevchr_len; // byte length of previous char |
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14169
diff
changeset
|
609 static int at_start; // True when on the first character |
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14169
diff
changeset
|
610 static int prev_at_start; // True when on the second character |
8021
b6b4f354df23
commit https://github.com/vim/vim/commit/7c29f387819b5817b003d2ba73e2b5cf3cb3d0dd
Christian Brabandt <cb@256bit.org>
parents:
7833
diff
changeset
|
611 |
7 | 612 /* |
4444 | 613 * Start parsing at "str". |
614 */ | |
7 | 615 static void |
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
616 initchr(char_u *str) |
7 | 617 { |
618 regparse = str; | |
619 prevchr_len = 0; | |
620 curchr = prevprevchr = prevchr = nextchr = -1; | |
621 at_start = TRUE; | |
622 prev_at_start = FALSE; | |
623 } | |
624 | |
4444 | 625 /* |
4679
4d92b873acef
updated for version 7.3.1087
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
626 * 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
|
627 * starts in the same state again. |
4d92b873acef
updated for version 7.3.1087
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
628 */ |
4d92b873acef
updated for version 7.3.1087
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
629 static void |
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
630 save_parse_state(parse_state_T *ps) |
4679
4d92b873acef
updated for version 7.3.1087
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
631 { |
4d92b873acef
updated for version 7.3.1087
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
632 ps->regparse = regparse; |
4d92b873acef
updated for version 7.3.1087
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
633 ps->prevchr_len = prevchr_len; |
4d92b873acef
updated for version 7.3.1087
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
634 ps->curchr = curchr; |
4d92b873acef
updated for version 7.3.1087
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
635 ps->prevchr = prevchr; |
4d92b873acef
updated for version 7.3.1087
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
636 ps->prevprevchr = prevprevchr; |
4d92b873acef
updated for version 7.3.1087
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
637 ps->nextchr = nextchr; |
4d92b873acef
updated for version 7.3.1087
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
638 ps->at_start = at_start; |
4d92b873acef
updated for version 7.3.1087
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
639 ps->prev_at_start = prev_at_start; |
4d92b873acef
updated for version 7.3.1087
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
640 ps->regnpar = regnpar; |
4d92b873acef
updated for version 7.3.1087
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
641 } |
4d92b873acef
updated for version 7.3.1087
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
642 |
4d92b873acef
updated for version 7.3.1087
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
643 /* |
4d92b873acef
updated for version 7.3.1087
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
644 * Restore a previously saved parse state. |
4d92b873acef
updated for version 7.3.1087
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
645 */ |
4d92b873acef
updated for version 7.3.1087
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
646 static void |
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
647 restore_parse_state(parse_state_T *ps) |
4679
4d92b873acef
updated for version 7.3.1087
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
648 { |
4d92b873acef
updated for version 7.3.1087
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
649 regparse = ps->regparse; |
4d92b873acef
updated for version 7.3.1087
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
650 prevchr_len = ps->prevchr_len; |
4d92b873acef
updated for version 7.3.1087
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
651 curchr = ps->curchr; |
4d92b873acef
updated for version 7.3.1087
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
652 prevchr = ps->prevchr; |
4d92b873acef
updated for version 7.3.1087
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
653 prevprevchr = ps->prevprevchr; |
4d92b873acef
updated for version 7.3.1087
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
654 nextchr = ps->nextchr; |
4d92b873acef
updated for version 7.3.1087
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
655 at_start = ps->at_start; |
4d92b873acef
updated for version 7.3.1087
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
656 prev_at_start = ps->prev_at_start; |
4d92b873acef
updated for version 7.3.1087
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
657 regnpar = ps->regnpar; |
4d92b873acef
updated for version 7.3.1087
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
658 } |
4d92b873acef
updated for version 7.3.1087
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
659 |
4d92b873acef
updated for version 7.3.1087
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
660 |
4d92b873acef
updated for version 7.3.1087
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
661 /* |
4444 | 662 * Get the next character without advancing. |
663 */ | |
7 | 664 static int |
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
665 peekchr(void) |
7 | 666 { |
167 | 667 static int after_slash = FALSE; |
668 | |
7 | 669 if (curchr == -1) |
670 { | |
671 switch (curchr = regparse[0]) | |
672 { | |
673 case '.': | |
674 case '[': | |
675 case '~': | |
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
676 // magic when 'magic' is on |
7 | 677 if (reg_magic >= MAGIC_ON) |
678 curchr = Magic(curchr); | |
679 break; | |
680 case '(': | |
681 case ')': | |
682 case '{': | |
683 case '%': | |
684 case '+': | |
685 case '=': | |
686 case '?': | |
687 case '@': | |
688 case '!': | |
689 case '&': | |
690 case '|': | |
691 case '<': | |
692 case '>': | |
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
693 case '#': // future ext. |
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
694 case '"': // future ext. |
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
695 case '\'': // future ext. |
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
696 case ',': // future ext. |
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
697 case '-': // future ext. |
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
698 case ':': // future ext. |
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
699 case ';': // future ext. |
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
700 case '`': // future ext. |
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
701 case '/': // Can't be used in / command |
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
702 // magic only after "\v" |
7 | 703 if (reg_magic == MAGIC_ALL) |
704 curchr = Magic(curchr); | |
705 break; | |
706 case '*': | |
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
707 // * is not magic as the very first character, eg "?*ptr", when |
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
708 // after '^', eg "/^*ptr" and when after "\(", "\|", "\&". But |
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
709 // "\(\*" is not magic, thus must be magic if "after_slash" |
167 | 710 if (reg_magic >= MAGIC_ON |
711 && !at_start | |
712 && !(prev_at_start && prevchr == Magic('^')) | |
713 && (after_slash | |
714 || (prevchr != Magic('(') | |
715 && prevchr != Magic('&') | |
716 && prevchr != Magic('|')))) | |
7 | 717 curchr = Magic('*'); |
718 break; | |
719 case '^': | |
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
720 // '^' is only magic as the very first character and if it's after |
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
721 // "\(", "\|", "\&' or "\n" |
7 | 722 if (reg_magic >= MAGIC_OFF |
723 && (at_start | |
724 || reg_magic == MAGIC_ALL | |
725 || prevchr == Magic('(') | |
726 || prevchr == Magic('|') | |
727 || prevchr == Magic('&') | |
728 || prevchr == Magic('n') | |
729 || (no_Magic(prevchr) == '(' | |
730 && prevprevchr == Magic('%')))) | |
731 { | |
732 curchr = Magic('^'); | |
733 at_start = TRUE; | |
734 prev_at_start = FALSE; | |
735 } | |
736 break; | |
737 case '$': | |
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
738 // '$' is only magic as the very last char and if it's in front of |
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
739 // either "\|", "\)", "\&", or "\n" |
7 | 740 if (reg_magic >= MAGIC_OFF) |
741 { | |
742 char_u *p = regparse + 1; | |
6041 | 743 int is_magic_all = (reg_magic == MAGIC_ALL); |
744 | |
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
745 // ignore \c \C \m \M \v \V and \Z after '$' |
7 | 746 while (p[0] == '\\' && (p[1] == 'c' || p[1] == 'C' |
6041 | 747 || p[1] == 'm' || p[1] == 'M' |
748 || p[1] == 'v' || p[1] == 'V' || p[1] == 'Z')) | |
749 { | |
750 if (p[1] == 'v') | |
751 is_magic_all = TRUE; | |
752 else if (p[1] == 'm' || p[1] == 'M' || p[1] == 'V') | |
753 is_magic_all = FALSE; | |
7 | 754 p += 2; |
6041 | 755 } |
7 | 756 if (p[0] == NUL |
757 || (p[0] == '\\' | |
758 && (p[1] == '|' || p[1] == '&' || p[1] == ')' | |
759 || p[1] == 'n')) | |
6041 | 760 || (is_magic_all |
761 && (p[0] == '|' || p[0] == '&' || p[0] == ')')) | |
7 | 762 || reg_magic == MAGIC_ALL) |
763 curchr = Magic('$'); | |
764 } | |
765 break; | |
766 case '\\': | |
767 { | |
768 int c = regparse[1]; | |
769 | |
770 if (c == NUL) | |
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
771 curchr = '\\'; // trailing '\' |
27490
fb4c30606b4a
patch 8.2.4273: the EBCDIC support is outdated
Bram Moolenaar <Bram@vim.org>
parents:
27468
diff
changeset
|
772 else if (c <= '~' && META_flags[c]) |
7 | 773 { |
774 /* | |
775 * META contains everything that may be magic sometimes, | |
776 * except ^ and $ ("\^" and "\$" are only magic after | |
6830 | 777 * "\V"). We now fetch the next character and toggle its |
7 | 778 * magicness. Therefore, \ is so meta-magic that it is |
779 * not in META. | |
780 */ | |
781 curchr = -1; | |
782 prev_at_start = at_start; | |
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
783 at_start = FALSE; // be able to say "/\*ptr" |
7 | 784 ++regparse; |
167 | 785 ++after_slash; |
7 | 786 peekchr(); |
787 --regparse; | |
167 | 788 --after_slash; |
7 | 789 curchr = toggle_Magic(curchr); |
790 } | |
791 else if (vim_strchr(REGEXP_ABBR, c)) | |
792 { | |
793 /* | |
794 * Handle abbreviations, like "\t" for TAB -- webb | |
795 */ | |
796 curchr = backslash_trans(c); | |
797 } | |
798 else if (reg_magic == MAGIC_NONE && (c == '$' || c == '^')) | |
799 curchr = toggle_Magic(c); | |
800 else | |
801 { | |
802 /* | |
803 * Next character can never be (made) magic? | |
804 * Then backslashing it won't do anything. | |
805 */ | |
806 if (has_mbyte) | |
807 curchr = (*mb_ptr2char)(regparse + 1); | |
808 else | |
809 curchr = c; | |
810 } | |
811 break; | |
812 } | |
813 | |
814 default: | |
815 if (has_mbyte) | |
816 curchr = (*mb_ptr2char)(regparse); | |
817 } | |
818 } | |
819 | |
820 return curchr; | |
821 } | |
822 | |
823 /* | |
824 * Eat one lexed character. Do this in a way that we can undo it. | |
825 */ | |
826 static void | |
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
827 skipchr(void) |
7 | 828 { |
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
829 // peekchr() eats a backslash, do the same here |
7 | 830 if (*regparse == '\\') |
831 prevchr_len = 1; | |
832 else | |
833 prevchr_len = 0; | |
834 if (regparse[prevchr_len] != NUL) | |
835 { | |
714 | 836 if (enc_utf8) |
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
837 // exclude composing chars that mb_ptr2len does include |
1449 | 838 prevchr_len += utf_ptr2len(regparse + prevchr_len); |
714 | 839 else if (has_mbyte) |
474 | 840 prevchr_len += (*mb_ptr2len)(regparse + prevchr_len); |
7 | 841 else |
842 ++prevchr_len; | |
843 } | |
844 regparse += prevchr_len; | |
845 prev_at_start = at_start; | |
846 at_start = FALSE; | |
847 prevprevchr = prevchr; | |
848 prevchr = curchr; | |
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
849 curchr = nextchr; // use previously unget char, or -1 |
7 | 850 nextchr = -1; |
851 } | |
852 | |
853 /* | |
854 * Skip a character while keeping the value of prev_at_start for at_start. | |
855 * prevchr and prevprevchr are also kept. | |
856 */ | |
857 static void | |
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
858 skipchr_keepstart(void) |
7 | 859 { |
860 int as = prev_at_start; | |
861 int pr = prevchr; | |
862 int prpr = prevprevchr; | |
863 | |
864 skipchr(); | |
865 at_start = as; | |
866 prevchr = pr; | |
867 prevprevchr = prpr; | |
868 } | |
869 | |
4444 | 870 /* |
871 * Get the next character from the pattern. We know about magic and such, so | |
872 * therefore we need a lexical analyzer. | |
873 */ | |
7 | 874 static int |
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
875 getchr(void) |
7 | 876 { |
877 int chr = peekchr(); | |
878 | |
879 skipchr(); | |
880 return chr; | |
881 } | |
882 | |
883 /* | |
884 * put character back. Works only once! | |
885 */ | |
886 static void | |
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
887 ungetchr(void) |
7 | 888 { |
889 nextchr = curchr; | |
890 curchr = prevchr; | |
891 prevchr = prevprevchr; | |
892 at_start = prev_at_start; | |
893 prev_at_start = FALSE; | |
894 | |
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
895 // Backup regparse, so that it's at the same position as before the |
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
896 // getchr(). |
7 | 897 regparse -= prevchr_len; |
898 } | |
899 | |
900 /* | |
29 | 901 * Get and return the value of the hex string at the current position. |
902 * Return -1 if there is no valid hex number. | |
903 * The position is updated: | |
24 | 904 * blahblah\%x20asdf |
856 | 905 * before-^ ^-after |
24 | 906 * The parameter controls the maximum number of input characters. This will be |
907 * 2 when reading a \%x20 sequence and 4 when reading a \%u20AC sequence. | |
908 */ | |
12752
09c856605191
patch 8.0.1254: undefined left shift in gethexchrs()
Christian Brabandt <cb@256bit.org>
parents:
12674
diff
changeset
|
909 static long |
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
910 gethexchrs(int maxinputlen) |
24 | 911 { |
12752
09c856605191
patch 8.0.1254: undefined left shift in gethexchrs()
Christian Brabandt <cb@256bit.org>
parents:
12674
diff
changeset
|
912 long_u nr = 0; |
24 | 913 int c; |
914 int i; | |
915 | |
916 for (i = 0; i < maxinputlen; ++i) | |
917 { | |
918 c = regparse[0]; | |
919 if (!vim_isxdigit(c)) | |
920 break; | |
921 nr <<= 4; | |
922 nr |= hex2nr(c); | |
923 ++regparse; | |
924 } | |
925 | |
926 if (i == 0) | |
927 return -1; | |
12752
09c856605191
patch 8.0.1254: undefined left shift in gethexchrs()
Christian Brabandt <cb@256bit.org>
parents:
12674
diff
changeset
|
928 return (long)nr; |
24 | 929 } |
930 | |
931 /* | |
4579
7a2be4a39423
updated for version 7.3.1037
Bram Moolenaar <bram@vim.org>
parents:
4505
diff
changeset
|
932 * Get and return the value of the decimal string immediately after the |
24 | 933 * current position. Return -1 for invalid. Consumes all digits. |
934 */ | |
12752
09c856605191
patch 8.0.1254: undefined left shift in gethexchrs()
Christian Brabandt <cb@256bit.org>
parents:
12674
diff
changeset
|
935 static long |
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
936 getdecchrs(void) |
24 | 937 { |
12752
09c856605191
patch 8.0.1254: undefined left shift in gethexchrs()
Christian Brabandt <cb@256bit.org>
parents:
12674
diff
changeset
|
938 long_u nr = 0; |
24 | 939 int c; |
940 int i; | |
941 | |
942 for (i = 0; ; ++i) | |
943 { | |
944 c = regparse[0]; | |
945 if (c < '0' || c > '9') | |
946 break; | |
947 nr *= 10; | |
948 nr += c - '0'; | |
949 ++regparse; | |
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
950 curchr = -1; // no longer valid |
24 | 951 } |
952 | |
953 if (i == 0) | |
954 return -1; | |
12752
09c856605191
patch 8.0.1254: undefined left shift in gethexchrs()
Christian Brabandt <cb@256bit.org>
parents:
12674
diff
changeset
|
955 return (long)nr; |
24 | 956 } |
957 | |
958 /* | |
959 * get and return the value of the octal string immediately after the current | |
960 * position. Return -1 for invalid, or 0-255 for valid. Smart enough to handle | |
961 * numbers > 377 correctly (for example, 400 is treated as 40) and doesn't | |
962 * treat 8 or 9 as recognised characters. Position is updated: | |
963 * blahblah\%o210asdf | |
856 | 964 * before-^ ^-after |
24 | 965 */ |
12752
09c856605191
patch 8.0.1254: undefined left shift in gethexchrs()
Christian Brabandt <cb@256bit.org>
parents:
12674
diff
changeset
|
966 static long |
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
967 getoctchrs(void) |
24 | 968 { |
12752
09c856605191
patch 8.0.1254: undefined left shift in gethexchrs()
Christian Brabandt <cb@256bit.org>
parents:
12674
diff
changeset
|
969 long_u nr = 0; |
24 | 970 int c; |
971 int i; | |
972 | |
973 for (i = 0; i < 3 && nr < 040; ++i) | |
974 { | |
975 c = regparse[0]; | |
976 if (c < '0' || c > '7') | |
977 break; | |
978 nr <<= 3; | |
979 nr |= hex2nr(c); | |
980 ++regparse; | |
981 } | |
982 | |
983 if (i == 0) | |
984 return -1; | |
12752
09c856605191
patch 8.0.1254: undefined left shift in gethexchrs()
Christian Brabandt <cb@256bit.org>
parents:
12674
diff
changeset
|
985 return (long)nr; |
24 | 986 } |
987 | |
988 /* | |
7 | 989 * read_limits - Read two integers to be taken as a minimum and maximum. |
990 * If the first character is '-', then the range is reversed. | |
991 * Should end with 'end'. If minval is missing, zero is default, if maxval is | |
992 * missing, a very big number is the default. | |
993 */ | |
994 static int | |
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
995 read_limits(long *minval, long *maxval) |
7 | 996 { |
997 int reverse = FALSE; | |
998 char_u *first_char; | |
999 long tmp; | |
1000 | |
1001 if (*regparse == '-') | |
1002 { | |
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
1003 // Starts with '-', so reverse the range later |
7 | 1004 regparse++; |
1005 reverse = TRUE; | |
1006 } | |
1007 first_char = regparse; | |
1008 *minval = getdigits(®parse); | |
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
1009 if (*regparse == ',') // There is a comma |
7 | 1010 { |
1011 if (vim_isdigit(*++regparse)) | |
1012 *maxval = getdigits(®parse); | |
1013 else | |
1014 *maxval = MAX_LIMIT; | |
1015 } | |
1016 else if (VIM_ISDIGIT(*first_char)) | |
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
1017 *maxval = *minval; // It was \{n} or \{-n} |
7 | 1018 else |
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
1019 *maxval = MAX_LIMIT; // It was \{} or \{-} |
7 | 1020 if (*regparse == '\\') |
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
1021 regparse++; // Allow either \{...} or \{...\} |
167 | 1022 if (*regparse != '}') |
26917
d91aea2a612c
patch 8.2.3987: error messages are spread out
Bram Moolenaar <Bram@vim.org>
parents:
26913
diff
changeset
|
1023 EMSG2_RET_FAIL(_(e_syntax_error_in_str_curlies), |
15480
bd12ace1bab2
patch 8.1.0748: using sprintf() instead of semsg()
Bram Moolenaar <Bram@vim.org>
parents:
15470
diff
changeset
|
1024 reg_magic == MAGIC_ALL); |
7 | 1025 |
1026 /* | |
1027 * Reverse the range if there was a '-', or make sure it is in the right | |
1028 * order otherwise. | |
1029 */ | |
1030 if ((!reverse && *minval > *maxval) || (reverse && *minval < *maxval)) | |
1031 { | |
1032 tmp = *minval; | |
1033 *minval = *maxval; | |
1034 *maxval = tmp; | |
1035 } | |
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
1036 skipchr(); // let's be friends with the lexer again |
7 | 1037 return OK; |
1038 } | |
1039 | |
1040 /* | |
1041 * vim_regexec and friends | |
1042 */ | |
1043 | |
1044 /* | |
1045 * Global work variables for vim_regexec(). | |
1046 */ | |
1047 | |
7805
0b6c37dd858d
commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077
Christian Brabandt <cb@256bit.org>
parents:
7009
diff
changeset
|
1048 static void cleanup_subexpr(void); |
7 | 1049 #ifdef FEAT_SYN_HL |
7805
0b6c37dd858d
commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077
Christian Brabandt <cb@256bit.org>
parents:
7009
diff
changeset
|
1050 static void cleanup_zsubexpr(void); |
0b6c37dd858d
commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077
Christian Brabandt <cb@256bit.org>
parents:
7009
diff
changeset
|
1051 #endif |
0b6c37dd858d
commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077
Christian Brabandt <cb@256bit.org>
parents:
7009
diff
changeset
|
1052 static void reg_nextline(void); |
0b6c37dd858d
commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077
Christian Brabandt <cb@256bit.org>
parents:
7009
diff
changeset
|
1053 static int match_with_backref(linenr_T start_lnum, colnr_T start_col, linenr_T end_lnum, colnr_T end_col, int *bytelen); |
7 | 1054 |
1055 /* | |
1056 * Sometimes need to save a copy of a line. Since alloc()/free() is very | |
1057 * slow, we keep one allocated piece of memory and only re-allocate it when | |
4444 | 1058 * it's too small. It's freed in bt_regexec_both() when finished. |
7 | 1059 */ |
1468 | 1060 static char_u *reg_tofree = NULL; |
7 | 1061 static unsigned reg_tofreelen; |
1062 | |
1063 /* | |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
1064 * Structure used to store the execution state of the regex engine. |
1209 | 1065 * Which ones are set depends on whether a single-line or multi-line match is |
7 | 1066 * done: |
1067 * single-line multi-line | |
1068 * reg_match ®match_T NULL | |
1069 * reg_mmatch NULL ®mmatch_T | |
1070 * reg_startp reg_match->startp <invalid> | |
1071 * reg_endp reg_match->endp <invalid> | |
1072 * reg_startpos <invalid> reg_mmatch->startpos | |
1073 * reg_endpos <invalid> reg_mmatch->endpos | |
1074 * reg_win NULL window in which to search | |
4061 | 1075 * reg_buf curbuf buffer in which to search |
7 | 1076 * reg_firstlnum <invalid> first line in which to search |
1077 * reg_maxline 0 last line nr | |
1078 * reg_line_lbr FALSE or TRUE FALSE | |
1079 */ | |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
1080 typedef struct { |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
1081 regmatch_T *reg_match; |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
1082 regmmatch_T *reg_mmatch; |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
1083 char_u **reg_startp; |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
1084 char_u **reg_endp; |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
1085 lpos_T *reg_startpos; |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
1086 lpos_T *reg_endpos; |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
1087 win_T *reg_win; |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
1088 buf_T *reg_buf; |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
1089 linenr_T reg_firstlnum; |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
1090 linenr_T reg_maxline; |
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
1091 int reg_line_lbr; // "\n" in string is line break |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
1092 |
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14169
diff
changeset
|
1093 // The current match-position is stord in these variables: |
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14169
diff
changeset
|
1094 linenr_T lnum; // line number, relative to first line |
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14169
diff
changeset
|
1095 char_u *line; // start of current line |
26161
9835f424bef5
patch 8.2.3612: using freed memory with regexp using a mark
Bram Moolenaar <Bram@vim.org>
parents:
25320
diff
changeset
|
1096 char_u *input; // current input, points into "line" |
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14169
diff
changeset
|
1097 |
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14169
diff
changeset
|
1098 int need_clear_subexpr; // subexpressions still need to be cleared |
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14169
diff
changeset
|
1099 #ifdef FEAT_SYN_HL |
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14169
diff
changeset
|
1100 int need_clear_zsubexpr; // extmatch subexpressions still need to be |
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14169
diff
changeset
|
1101 // cleared |
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14169
diff
changeset
|
1102 #endif |
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14169
diff
changeset
|
1103 |
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
1104 // Internal copy of 'ignorecase'. It is set at each call to vim_regexec(). |
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
1105 // Normally it gets the value of "rm_ic" or "rmm_ic", but when the pattern |
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
1106 // contains '\c' or '\C' the value is overruled. |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
1107 int reg_ic; |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
1108 |
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
1109 // Similar to "reg_ic", but only for 'combining' characters. Set with \Z |
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
1110 // flag in the regexp. Defaults to false, always. |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
1111 int reg_icombine; |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
1112 |
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
1113 // Copy of "rmm_maxcol": maximum column to search for a match. Zero when |
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
1114 // there is no maximum. |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
1115 colnr_T reg_maxcol; |
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14169
diff
changeset
|
1116 |
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14169
diff
changeset
|
1117 // State for the NFA engine regexec. |
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14169
diff
changeset
|
1118 int nfa_has_zend; // NFA regexp \ze operator encountered. |
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14169
diff
changeset
|
1119 int nfa_has_backref; // NFA regexp \1 .. \9 encountered. |
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14169
diff
changeset
|
1120 int nfa_nsubexpr; // Number of sub expressions actually being used |
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14169
diff
changeset
|
1121 // during execution. 1 if only the whole match |
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14169
diff
changeset
|
1122 // (subexpr 0) is used. |
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14169
diff
changeset
|
1123 // listid is global, so that it increases on recursive calls to |
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14169
diff
changeset
|
1124 // nfa_regmatch(), which means we don't have to clear the lastlist field of |
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14169
diff
changeset
|
1125 // all the states. |
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14169
diff
changeset
|
1126 int nfa_listid; |
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14169
diff
changeset
|
1127 int nfa_alt_listid; |
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14169
diff
changeset
|
1128 |
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14169
diff
changeset
|
1129 #ifdef FEAT_SYN_HL |
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14169
diff
changeset
|
1130 int nfa_has_zsubexpr; // NFA regexp has \z( ), set zsubexpr. |
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14169
diff
changeset
|
1131 #endif |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
1132 } regexec_T; |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
1133 |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
1134 static regexec_T rex; |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
1135 static int rex_in_use = FALSE; |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
1136 |
7 | 1137 /* |
15709
2e2f07561f4b
patch 8.1.0862: no verbose version of character classes
Bram Moolenaar <Bram@vim.org>
parents:
15603
diff
changeset
|
1138 * Return TRUE if character 'c' is included in 'iskeyword' option for |
2e2f07561f4b
patch 8.1.0862: no verbose version of character classes
Bram Moolenaar <Bram@vim.org>
parents:
15603
diff
changeset
|
1139 * "reg_buf" buffer. |
2e2f07561f4b
patch 8.1.0862: no verbose version of character classes
Bram Moolenaar <Bram@vim.org>
parents:
15603
diff
changeset
|
1140 */ |
2e2f07561f4b
patch 8.1.0862: no verbose version of character classes
Bram Moolenaar <Bram@vim.org>
parents:
15603
diff
changeset
|
1141 static int |
2e2f07561f4b
patch 8.1.0862: no verbose version of character classes
Bram Moolenaar <Bram@vim.org>
parents:
15603
diff
changeset
|
1142 reg_iswordc(int c) |
2e2f07561f4b
patch 8.1.0862: no verbose version of character classes
Bram Moolenaar <Bram@vim.org>
parents:
15603
diff
changeset
|
1143 { |
2e2f07561f4b
patch 8.1.0862: no verbose version of character classes
Bram Moolenaar <Bram@vim.org>
parents:
15603
diff
changeset
|
1144 return vim_iswordc_buf(c, rex.reg_buf); |
2e2f07561f4b
patch 8.1.0862: no verbose version of character classes
Bram Moolenaar <Bram@vim.org>
parents:
15603
diff
changeset
|
1145 } |
2e2f07561f4b
patch 8.1.0862: no verbose version of character classes
Bram Moolenaar <Bram@vim.org>
parents:
15603
diff
changeset
|
1146 |
2e2f07561f4b
patch 8.1.0862: no verbose version of character classes
Bram Moolenaar <Bram@vim.org>
parents:
15603
diff
changeset
|
1147 /* |
7 | 1148 * Get pointer to the line "lnum", which is relative to "reg_firstlnum". |
1149 */ | |
1150 static char_u * | |
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
1151 reg_getline(linenr_T lnum) |
7 | 1152 { |
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
1153 // when looking behind for a match/no-match lnum is negative. But we |
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
1154 // 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
|
1155 if (rex.reg_firstlnum + lnum < 1) |
7 | 1156 return NULL; |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
1157 if (lnum > rex.reg_maxline) |
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
1158 // Must have matched the "\n" in the last line. |
481 | 1159 return (char_u *)""; |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
1160 return ml_get_buf(rex.reg_buf, rex.reg_firstlnum + lnum, FALSE); |
7 | 1161 } |
1162 | |
1163 #ifdef FEAT_SYN_HL | |
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
1164 static char_u *reg_startzp[NSUBEXP]; // Workspace to mark beginning |
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
1165 static char_u *reg_endzp[NSUBEXP]; // and end of \z(...\) matches |
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
1166 static lpos_T reg_startzpos[NSUBEXP]; // idem, beginning pos |
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
1167 static lpos_T reg_endzpos[NSUBEXP]; // idem, end pos |
7 | 1168 #endif |
1169 | |
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
1170 // 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
|
1171 #define REG_MULTI (rex.reg_match == NULL) |
4444 | 1172 |
7 | 1173 #ifdef FEAT_SYN_HL |
1174 /* | |
1175 * Create a new extmatch and mark it as referenced once. | |
1176 */ | |
1177 static reg_extmatch_T * | |
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
1178 make_extmatch(void) |
7 | 1179 { |
1180 reg_extmatch_T *em; | |
1181 | |
16825
ce04ebdf26b8
patch 8.1.1414: alloc() returning "char_u *" causes a lot of type casts
Bram Moolenaar <Bram@vim.org>
parents:
16768
diff
changeset
|
1182 em = ALLOC_CLEAR_ONE(reg_extmatch_T); |
7 | 1183 if (em != NULL) |
1184 em->refcnt = 1; | |
1185 return em; | |
1186 } | |
1187 | |
1188 /* | |
1189 * Add a reference to an extmatch. | |
1190 */ | |
1191 reg_extmatch_T * | |
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
1192 ref_extmatch(reg_extmatch_T *em) |
7 | 1193 { |
1194 if (em != NULL) | |
1195 em->refcnt++; | |
1196 return em; | |
1197 } | |
1198 | |
1199 /* | |
1200 * Remove a reference to an extmatch. If there are no references left, free | |
1201 * the info. | |
1202 */ | |
1203 void | |
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
1204 unref_extmatch(reg_extmatch_T *em) |
7 | 1205 { |
1206 int i; | |
1207 | |
1208 if (em != NULL && --em->refcnt <= 0) | |
1209 { | |
1210 for (i = 0; i < NSUBEXP; ++i) | |
1211 vim_free(em->matches[i]); | |
1212 vim_free(em); | |
1213 } | |
1214 } | |
1215 #endif | |
1216 | |
1217 /* | |
1218 * Get class of previous character. | |
1219 */ | |
1220 static int | |
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
1221 reg_prev_class(void) |
7 | 1222 { |
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14169
diff
changeset
|
1223 if (rex.input > rex.line) |
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14169
diff
changeset
|
1224 return mb_get_class_buf(rex.input - 1 |
15603
639b8318472c
patch 8.1.0809: too many #ifdefs
Bram Moolenaar <Bram@vim.org>
parents:
15555
diff
changeset
|
1225 - (*mb_head_off)(rex.line, rex.input - 1), rex.reg_buf); |
7 | 1226 return -1; |
1227 } | |
5735 | 1228 |
4730
749e2b2755d5
updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
1229 /* |
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14169
diff
changeset
|
1230 * Return TRUE if the current rex.input position matches the Visual area. |
4730
749e2b2755d5
updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
1231 */ |
749e2b2755d5
updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
1232 static int |
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
1233 reg_match_visual(void) |
4730
749e2b2755d5
updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
1234 { |
749e2b2755d5
updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
1235 pos_T top, bot; |
749e2b2755d5
updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
1236 linenr_T lnum; |
749e2b2755d5
updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
1237 colnr_T col; |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
1238 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
|
1239 int mode; |
749e2b2755d5
updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
1240 colnr_T start, end; |
749e2b2755d5
updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
1241 colnr_T start2, end2; |
749e2b2755d5
updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
1242 colnr_T cols; |
24745
b1fa3f005c93
patch 8.2.2911: pattern "%V" does not match all of block selection
Bram Moolenaar <Bram@vim.org>
parents:
24488
diff
changeset
|
1243 colnr_T curswant; |
4730
749e2b2755d5
updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
1244 |
27466
8ed815f061af
patch 8.2.4261: accessing invalid memory in a regular expression
Bram Moolenaar <Bram@vim.org>
parents:
26966
diff
changeset
|
1245 // Check if the buffer is the current buffer and not using a string. |
27468
678ea52c15a0
patch 8.2.4262: some search tests fail
Bram Moolenaar <Bram@vim.org>
parents:
27466
diff
changeset
|
1246 if (rex.reg_buf != curbuf || VIsual.lnum == 0 || !REG_MULTI) |
4730
749e2b2755d5
updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
1247 return FALSE; |
749e2b2755d5
updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
1248 |
749e2b2755d5
updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
1249 if (VIsual_active) |
749e2b2755d5
updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
1250 { |
11121
778c10516955
patch 8.0.0448: some macros are in lower case
Christian Brabandt <cb@256bit.org>
parents:
10359
diff
changeset
|
1251 if (LT_POS(VIsual, wp->w_cursor)) |
4730
749e2b2755d5
updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
1252 { |
749e2b2755d5
updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
1253 top = VIsual; |
749e2b2755d5
updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
1254 bot = wp->w_cursor; |
749e2b2755d5
updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
1255 } |
749e2b2755d5
updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
1256 else |
749e2b2755d5
updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
1257 { |
749e2b2755d5
updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
1258 top = wp->w_cursor; |
749e2b2755d5
updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
1259 bot = VIsual; |
749e2b2755d5
updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
1260 } |
749e2b2755d5
updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
1261 mode = VIsual_mode; |
24745
b1fa3f005c93
patch 8.2.2911: pattern "%V" does not match all of block selection
Bram Moolenaar <Bram@vim.org>
parents:
24488
diff
changeset
|
1262 curswant = wp->w_curswant; |
4730
749e2b2755d5
updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
1263 } |
749e2b2755d5
updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
1264 else |
749e2b2755d5
updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
1265 { |
11121
778c10516955
patch 8.0.0448: some macros are in lower case
Christian Brabandt <cb@256bit.org>
parents:
10359
diff
changeset
|
1266 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
|
1267 { |
749e2b2755d5
updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
1268 top = curbuf->b_visual.vi_start; |
749e2b2755d5
updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
1269 bot = curbuf->b_visual.vi_end; |
749e2b2755d5
updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
1270 } |
749e2b2755d5
updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
1271 else |
749e2b2755d5
updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
1272 { |
749e2b2755d5
updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
1273 top = curbuf->b_visual.vi_end; |
749e2b2755d5
updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
1274 bot = curbuf->b_visual.vi_start; |
749e2b2755d5
updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
1275 } |
749e2b2755d5
updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
1276 mode = curbuf->b_visual.vi_mode; |
24745
b1fa3f005c93
patch 8.2.2911: pattern "%V" does not match all of block selection
Bram Moolenaar <Bram@vim.org>
parents:
24488
diff
changeset
|
1277 curswant = curbuf->b_visual.vi_curswant; |
4730
749e2b2755d5
updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
1278 } |
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14169
diff
changeset
|
1279 lnum = rex.lnum + rex.reg_firstlnum; |
4730
749e2b2755d5
updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
1280 if (lnum < top.lnum || lnum > bot.lnum) |
749e2b2755d5
updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
1281 return FALSE; |
749e2b2755d5
updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
1282 |
26841
48d6f187e9c0
patch 8.2.3949: using freed memory with /%V
Bram Moolenaar <Bram@vim.org>
parents:
26534
diff
changeset
|
1283 col = (colnr_T)(rex.input - rex.line); |
4730
749e2b2755d5
updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
1284 if (mode == 'v') |
749e2b2755d5
updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
1285 { |
749e2b2755d5
updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
1286 if ((lnum == top.lnum && col < top.col) |
749e2b2755d5
updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
1287 || (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
|
1288 return FALSE; |
749e2b2755d5
updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
1289 } |
749e2b2755d5
updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
1290 else if (mode == Ctrl_V) |
749e2b2755d5
updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
1291 { |
749e2b2755d5
updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
1292 getvvcol(wp, &top, &start, NULL, &end); |
749e2b2755d5
updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
1293 getvvcol(wp, &bot, &start2, NULL, &end2); |
749e2b2755d5
updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
1294 if (start2 < start) |
749e2b2755d5
updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
1295 start = start2; |
749e2b2755d5
updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
1296 if (end2 > end) |
749e2b2755d5
updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
1297 end = end2; |
24745
b1fa3f005c93
patch 8.2.2911: pattern "%V" does not match all of block selection
Bram Moolenaar <Bram@vim.org>
parents:
24488
diff
changeset
|
1298 if (top.col == MAXCOL || bot.col == MAXCOL || curswant == MAXCOL) |
4730
749e2b2755d5
updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
1299 end = MAXCOL; |
26841
48d6f187e9c0
patch 8.2.3949: using freed memory with /%V
Bram Moolenaar <Bram@vim.org>
parents:
26534
diff
changeset
|
1300 |
48d6f187e9c0
patch 8.2.3949: using freed memory with /%V
Bram Moolenaar <Bram@vim.org>
parents:
26534
diff
changeset
|
1301 // getvvcol() flushes rex.line, need to get it again |
48d6f187e9c0
patch 8.2.3949: using freed memory with /%V
Bram Moolenaar <Bram@vim.org>
parents:
26534
diff
changeset
|
1302 rex.line = reg_getline(rex.lnum); |
48d6f187e9c0
patch 8.2.3949: using freed memory with /%V
Bram Moolenaar <Bram@vim.org>
parents:
26534
diff
changeset
|
1303 rex.input = rex.line + col; |
48d6f187e9c0
patch 8.2.3949: using freed memory with /%V
Bram Moolenaar <Bram@vim.org>
parents:
26534
diff
changeset
|
1304 |
48d6f187e9c0
patch 8.2.3949: using freed memory with /%V
Bram Moolenaar <Bram@vim.org>
parents:
26534
diff
changeset
|
1305 cols = win_linetabsize(wp, rex.line, col); |
4730
749e2b2755d5
updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
1306 if (cols < start || cols > end - (*p_sel == 'e')) |
749e2b2755d5
updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
1307 return FALSE; |
749e2b2755d5
updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
1308 } |
749e2b2755d5
updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
1309 return TRUE; |
749e2b2755d5
updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
1310 } |
749e2b2755d5
updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
1311 |
7 | 1312 /* |
1313 * Check the regexp program for its magic number. | |
1314 * Return TRUE if it's wrong. | |
1315 */ | |
1316 static int | |
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
1317 prog_magic_wrong(void) |
7 | 1318 { |
4444 | 1319 regprog_T *prog; |
1320 | |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
1321 prog = REG_MULTI ? rex.reg_mmatch->regprog : rex.reg_match->regprog; |
4444 | 1322 if (prog->engine == &nfa_regengine) |
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
1323 // For NFA matcher we don't check the magic |
4444 | 1324 return FALSE; |
1325 | |
1326 if (UCHARAT(((bt_regprog_T *)prog)->program) != REGMAGIC) | |
7 | 1327 { |
25306
078edc1821bf
patch 8.2.3190: error messages are spread out
Bram Moolenaar <Bram@vim.org>
parents:
24768
diff
changeset
|
1328 emsg(_(e_corrupted_regexp_program)); |
7 | 1329 return TRUE; |
1330 } | |
1331 return FALSE; | |
1332 } | |
1333 | |
1334 /* | |
1335 * Cleanup the subexpressions, if this wasn't done yet. | |
1336 * This construction is used to clear the subexpressions only when they are | |
1337 * used (to increase speed). | |
1338 */ | |
1339 static void | |
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
1340 cleanup_subexpr(void) |
7 | 1341 { |
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14169
diff
changeset
|
1342 if (rex.need_clear_subexpr) |
7 | 1343 { |
1344 if (REG_MULTI) | |
1345 { | |
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
1346 // 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
|
1347 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
|
1348 vim_memset(rex.reg_endpos, 0xff, sizeof(lpos_T) * NSUBEXP); |
7 | 1349 } |
1350 else | |
1351 { | |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
1352 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
|
1353 vim_memset(rex.reg_endp, 0, sizeof(char_u *) * NSUBEXP); |
7 | 1354 } |
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14169
diff
changeset
|
1355 rex.need_clear_subexpr = FALSE; |
7 | 1356 } |
1357 } | |
1358 | |
1359 #ifdef FEAT_SYN_HL | |
1360 static void | |
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
1361 cleanup_zsubexpr(void) |
7 | 1362 { |
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14169
diff
changeset
|
1363 if (rex.need_clear_zsubexpr) |
7 | 1364 { |
1365 if (REG_MULTI) | |
1366 { | |
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
1367 // Use 0xff to set lnum to -1 |
7 | 1368 vim_memset(reg_startzpos, 0xff, sizeof(lpos_T) * NSUBEXP); |
1369 vim_memset(reg_endzpos, 0xff, sizeof(lpos_T) * NSUBEXP); | |
1370 } | |
1371 else | |
1372 { | |
1373 vim_memset(reg_startzp, 0, sizeof(char_u *) * NSUBEXP); | |
1374 vim_memset(reg_endzp, 0, sizeof(char_u *) * NSUBEXP); | |
1375 } | |
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14169
diff
changeset
|
1376 rex.need_clear_zsubexpr = FALSE; |
7 | 1377 } |
1378 } | |
1379 #endif | |
1380 | |
1381 /* | |
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14169
diff
changeset
|
1382 * Advance rex.lnum, rex.line and rex.input to the next line. |
7 | 1383 */ |
1384 static void | |
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
1385 reg_nextline(void) |
7 | 1386 { |
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14169
diff
changeset
|
1387 rex.line = reg_getline(++rex.lnum); |
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14169
diff
changeset
|
1388 rex.input = rex.line; |
7 | 1389 fast_breakcheck(); |
1390 } | |
1391 | |
1392 /* | |
4891
4c42efb4c098
updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
1393 * Check whether a backreference matches. |
4c42efb4c098
updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
1394 * Returns RA_FAIL, RA_NOMATCH or RA_MATCH. |
5504 | 1395 * If "bytelen" is not NULL, it is set to the byte length of the match in the |
1396 * last line. | |
4891
4c42efb4c098
updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
1397 */ |
4c42efb4c098
updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
1398 static int |
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
1399 match_with_backref( |
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
1400 linenr_T start_lnum, |
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
1401 colnr_T start_col, |
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
1402 linenr_T end_lnum, |
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
1403 colnr_T end_col, |
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
1404 int *bytelen) |
4891
4c42efb4c098
updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
1405 { |
4c42efb4c098
updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
1406 linenr_T clnum = start_lnum; |
4c42efb4c098
updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
1407 colnr_T ccol = start_col; |
4c42efb4c098
updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
1408 int len; |
4c42efb4c098
updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
1409 char_u *p; |
4c42efb4c098
updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
1410 |
4c42efb4c098
updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
1411 if (bytelen != NULL) |
4c42efb4c098
updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
1412 *bytelen = 0; |
4c42efb4c098
updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
1413 for (;;) |
4c42efb4c098
updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
1414 { |
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
1415 // Since getting one line may invalidate the other, need to make copy. |
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
1416 // Slow! |
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14169
diff
changeset
|
1417 if (rex.line != reg_tofree) |
4891
4c42efb4c098
updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
1418 { |
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14169
diff
changeset
|
1419 len = (int)STRLEN(rex.line); |
4891
4c42efb4c098
updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
1420 if (reg_tofree == NULL || len >= (int)reg_tofreelen) |
4c42efb4c098
updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
1421 { |
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
1422 len += 50; // get some extra |
4891
4c42efb4c098
updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
1423 vim_free(reg_tofree); |
4c42efb4c098
updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
1424 reg_tofree = alloc(len); |
4c42efb4c098
updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
1425 if (reg_tofree == NULL) |
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
1426 return RA_FAIL; // out of memory! |
4891
4c42efb4c098
updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
1427 reg_tofreelen = len; |
4c42efb4c098
updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
1428 } |
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14169
diff
changeset
|
1429 STRCPY(reg_tofree, rex.line); |
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14169
diff
changeset
|
1430 rex.input = reg_tofree + (rex.input - rex.line); |
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14169
diff
changeset
|
1431 rex.line = reg_tofree; |
4891
4c42efb4c098
updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
1432 } |
4c42efb4c098
updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
1433 |
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
1434 // Get the line to compare with. |
4891
4c42efb4c098
updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
1435 p = reg_getline(clnum); |
4c42efb4c098
updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
1436 if (clnum == end_lnum) |
4c42efb4c098
updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
1437 len = end_col - ccol; |
4c42efb4c098
updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
1438 else |
4c42efb4c098
updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
1439 len = (int)STRLEN(p + ccol); |
4c42efb4c098
updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
1440 |
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14169
diff
changeset
|
1441 if (cstrncmp(p + ccol, rex.input, &len) != 0) |
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
1442 return RA_NOMATCH; // doesn't match |
4891
4c42efb4c098
updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
1443 if (bytelen != NULL) |
4c42efb4c098
updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
1444 *bytelen += len; |
4c42efb4c098
updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
1445 if (clnum == end_lnum) |
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
1446 break; // match and at end! |
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14169
diff
changeset
|
1447 if (rex.lnum >= rex.reg_maxline) |
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
1448 return RA_NOMATCH; // text too short |
4891
4c42efb4c098
updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
1449 |
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
1450 // Advance to next line. |
4891
4c42efb4c098
updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
1451 reg_nextline(); |
5504 | 1452 if (bytelen != NULL) |
1453 *bytelen = 0; | |
4891
4c42efb4c098
updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
1454 ++clnum; |
4c42efb4c098
updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
1455 ccol = 0; |
4c42efb4c098
updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
1456 if (got_int) |
4c42efb4c098
updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
1457 return RA_FAIL; |
4c42efb4c098
updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
1458 } |
4c42efb4c098
updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
1459 |
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
1460 // found a match! Note that rex.line may now point to a copy of the line, |
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
1461 // that should not matter. |
4891
4c42efb4c098
updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
1462 return RA_MATCH; |
4c42efb4c098
updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
1463 } |
7 | 1464 |
6203 | 1465 /* |
1466 * Used in a place where no * or \+ can follow. | |
1467 */ | |
1468 static int | |
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
1469 re_mult_next(char *what) |
6203 | 1470 { |
1471 if (re_multi_type(peekchr()) == MULTI_MULT) | |
15480
bd12ace1bab2
patch 8.1.0748: using sprintf() instead of semsg()
Bram Moolenaar <Bram@vim.org>
parents:
15470
diff
changeset
|
1472 { |
26966
ac75c145f0a9
patch 8.2.4012: error messages are spread out
Bram Moolenaar <Bram@vim.org>
parents:
26962
diff
changeset
|
1473 semsg(_(e_nfa_regexp_cannot_repeat_str), what); |
15480
bd12ace1bab2
patch 8.1.0748: using sprintf() instead of semsg()
Bram Moolenaar <Bram@vim.org>
parents:
15470
diff
changeset
|
1474 rc_did_emsg = TRUE; |
bd12ace1bab2
patch 8.1.0748: using sprintf() instead of semsg()
Bram Moolenaar <Bram@vim.org>
parents:
15470
diff
changeset
|
1475 return FAIL; |
bd12ace1bab2
patch 8.1.0748: using sprintf() instead of semsg()
Bram Moolenaar <Bram@vim.org>
parents:
15470
diff
changeset
|
1476 } |
6203 | 1477 return OK; |
1478 } | |
1479 | |
7 | 1480 typedef struct |
1481 { | |
1482 int a, b, c; | |
1483 } decomp_T; | |
1484 | |
1485 | |
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
1486 // 0xfb20 - 0xfb4f |
297 | 1487 static decomp_T decomp_table[0xfb4f-0xfb20+1] = |
7 | 1488 { |
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
1489 {0x5e2,0,0}, // 0xfb20 alt ayin |
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
1490 {0x5d0,0,0}, // 0xfb21 alt alef |
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
1491 {0x5d3,0,0}, // 0xfb22 alt dalet |
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
1492 {0x5d4,0,0}, // 0xfb23 alt he |
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
1493 {0x5db,0,0}, // 0xfb24 alt kaf |
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
1494 {0x5dc,0,0}, // 0xfb25 alt lamed |
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
1495 {0x5dd,0,0}, // 0xfb26 alt mem-sofit |
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
1496 {0x5e8,0,0}, // 0xfb27 alt resh |
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
1497 {0x5ea,0,0}, // 0xfb28 alt tav |
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
1498 {'+', 0, 0}, // 0xfb29 alt plus |
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
1499 {0x5e9, 0x5c1, 0}, // 0xfb2a shin+shin-dot |
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
1500 {0x5e9, 0x5c2, 0}, // 0xfb2b shin+sin-dot |
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
1501 {0x5e9, 0x5c1, 0x5bc}, // 0xfb2c shin+shin-dot+dagesh |
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
1502 {0x5e9, 0x5c2, 0x5bc}, // 0xfb2d shin+sin-dot+dagesh |
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
1503 {0x5d0, 0x5b7, 0}, // 0xfb2e alef+patah |
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
1504 {0x5d0, 0x5b8, 0}, // 0xfb2f alef+qamats |
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
1505 {0x5d0, 0x5b4, 0}, // 0xfb30 alef+hiriq |
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
1506 {0x5d1, 0x5bc, 0}, // 0xfb31 bet+dagesh |
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
1507 {0x5d2, 0x5bc, 0}, // 0xfb32 gimel+dagesh |
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
1508 {0x5d3, 0x5bc, 0}, // 0xfb33 dalet+dagesh |
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
1509 {0x5d4, 0x5bc, 0}, // 0xfb34 he+dagesh |
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
1510 {0x5d5, 0x5bc, 0}, // 0xfb35 vav+dagesh |
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
1511 {0x5d6, 0x5bc, 0}, // 0xfb36 zayin+dagesh |
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
1512 {0xfb37, 0, 0}, // 0xfb37 -- UNUSED |
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
1513 {0x5d8, 0x5bc, 0}, // 0xfb38 tet+dagesh |
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
1514 {0x5d9, 0x5bc, 0}, // 0xfb39 yud+dagesh |
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
1515 {0x5da, 0x5bc, 0}, // 0xfb3a kaf sofit+dagesh |
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
1516 {0x5db, 0x5bc, 0}, // 0xfb3b kaf+dagesh |
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
1517 {0x5dc, 0x5bc, 0}, // 0xfb3c lamed+dagesh |
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
1518 {0xfb3d, 0, 0}, // 0xfb3d -- UNUSED |
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
1519 {0x5de, 0x5bc, 0}, // 0xfb3e mem+dagesh |
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
1520 {0xfb3f, 0, 0}, // 0xfb3f -- UNUSED |
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
1521 {0x5e0, 0x5bc, 0}, // 0xfb40 nun+dagesh |
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
1522 {0x5e1, 0x5bc, 0}, // 0xfb41 samech+dagesh |
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
1523 {0xfb42, 0, 0}, // 0xfb42 -- UNUSED |
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
1524 {0x5e3, 0x5bc, 0}, // 0xfb43 pe sofit+dagesh |
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
1525 {0x5e4, 0x5bc,0}, // 0xfb44 pe+dagesh |
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
1526 {0xfb45, 0, 0}, // 0xfb45 -- UNUSED |
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
1527 {0x5e6, 0x5bc, 0}, // 0xfb46 tsadi+dagesh |
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
1528 {0x5e7, 0x5bc, 0}, // 0xfb47 qof+dagesh |
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
1529 {0x5e8, 0x5bc, 0}, // 0xfb48 resh+dagesh |
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
1530 {0x5e9, 0x5bc, 0}, // 0xfb49 shin+dagesh |
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
1531 {0x5ea, 0x5bc, 0}, // 0xfb4a tav+dagesh |
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
1532 {0x5d5, 0x5b9, 0}, // 0xfb4b vav+holam |
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
1533 {0x5d1, 0x5bf, 0}, // 0xfb4c bet+rafe |
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
1534 {0x5db, 0x5bf, 0}, // 0xfb4d kaf+rafe |
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
1535 {0x5e4, 0x5bf, 0}, // 0xfb4e pe+rafe |
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
1536 {0x5d0, 0x5dc, 0} // 0xfb4f alef-lamed |
7 | 1537 }; |
1538 | |
1539 static void | |
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
1540 mb_decompose(int c, int *c1, int *c2, int *c3) |
7 | 1541 { |
1542 decomp_T d; | |
1543 | |
4505
d037b9cbdaaa
updated for version 7.3.1000
Bram Moolenaar <bram@vim.org>
parents:
4466
diff
changeset
|
1544 if (c >= 0xfb20 && c <= 0xfb4f) |
7 | 1545 { |
1546 d = decomp_table[c - 0xfb20]; | |
1547 *c1 = d.a; | |
1548 *c2 = d.b; | |
1549 *c3 = d.c; | |
1550 } | |
1551 else | |
1552 { | |
1553 *c1 = c; | |
1554 *c2 = *c3 = 0; | |
1555 } | |
1556 } | |
1557 | |
1558 /* | |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
1559 * Compare two strings, ignore case if rex.reg_ic set. |
7 | 1560 * Return 0 if strings match, non-zero otherwise. |
1561 * Correct the length "*n" when composing characters are ignored. | |
1562 */ | |
1563 static int | |
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
1564 cstrncmp(char_u *s1, char_u *s2, int *n) |
7 | 1565 { |
1566 int result; | |
1567 | |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
1568 if (!rex.reg_ic) |
7 | 1569 result = STRNCMP(s1, s2, *n); |
1570 else | |
1571 result = MB_STRNICMP(s1, s2, *n); | |
1572 | |
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
1573 // 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
|
1574 if (result != 0 && enc_utf8 && rex.reg_icombine) |
7 | 1575 { |
1576 char_u *str1, *str2; | |
1577 int c1, c2, c11, c12; | |
1578 int junk; | |
1579 | |
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
1580 // we have to handle the strcmp ourselves, since it is necessary to |
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
1581 // deal with the composing characters by ignoring them: |
7 | 1582 str1 = s1; |
1583 str2 = s2; | |
1584 c1 = c2 = 0; | |
507 | 1585 while ((int)(str1 - s1) < *n) |
7 | 1586 { |
1587 c1 = mb_ptr2char_adv(&str1); | |
1588 c2 = mb_ptr2char_adv(&str2); | |
1589 | |
18019
68fd5296bf73
patch 8.1.2005: the regexp.c file is too big
Bram Moolenaar <Bram@vim.org>
parents:
17966
diff
changeset
|
1590 // Decompose the character if necessary, into 'base' characters. |
68fd5296bf73
patch 8.1.2005: the regexp.c file is too big
Bram Moolenaar <Bram@vim.org>
parents:
17966
diff
changeset
|
1591 // Currently hard-coded for Hebrew, Arabic to be done... |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
1592 if (c1 != c2 && (!rex.reg_ic || utf_fold(c1) != utf_fold(c2))) |
7 | 1593 { |
18019
68fd5296bf73
patch 8.1.2005: the regexp.c file is too big
Bram Moolenaar <Bram@vim.org>
parents:
17966
diff
changeset
|
1594 // decomposition necessary? |
7 | 1595 mb_decompose(c1, &c11, &junk, &junk); |
1596 mb_decompose(c2, &c12, &junk, &junk); | |
1597 c1 = c11; | |
1598 c2 = c12; | |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
1599 if (c11 != c12 |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
1600 && (!rex.reg_ic || utf_fold(c11) != utf_fold(c12))) |
7 | 1601 break; |
1602 } | |
1603 } | |
1604 result = c2 - c1; | |
1605 if (result == 0) | |
1606 *n = (int)(str2 - s2); | |
1607 } | |
1608 | |
1609 return result; | |
1610 } | |
1611 | |
1612 /* | |
1613 * cstrchr: This function is used a lot for simple searches, keep it fast! | |
1614 */ | |
1615 static char_u * | |
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
1616 cstrchr(char_u *s, int c) |
7 | 1617 { |
1618 char_u *p; | |
1619 int cc; | |
1620 | |
15603
639b8318472c
patch 8.1.0809: too many #ifdefs
Bram Moolenaar <Bram@vim.org>
parents:
15555
diff
changeset
|
1621 if (!rex.reg_ic || (!enc_utf8 && mb_char2len(c) > 1)) |
7 | 1622 return vim_strchr(s, c); |
1623 | |
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
1624 // tolower() and toupper() can be slow, comparing twice should be a lot |
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
1625 // faster (esp. when using MS Visual C++!). |
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
1626 // For UTF-8 need to use folded case. |
7 | 1627 if (enc_utf8 && c > 0x80) |
1628 cc = utf_fold(c); | |
1629 else | |
1347 | 1630 if (MB_ISUPPER(c)) |
1631 cc = MB_TOLOWER(c); | |
1632 else if (MB_ISLOWER(c)) | |
1633 cc = MB_TOUPPER(c); | |
7 | 1634 else |
1635 return vim_strchr(s, c); | |
1636 | |
1637 if (has_mbyte) | |
1638 { | |
474 | 1639 for (p = s; *p != NUL; p += (*mb_ptr2len)(p)) |
7 | 1640 { |
1641 if (enc_utf8 && c > 0x80) | |
1642 { | |
1643 if (utf_fold(utf_ptr2char(p)) == cc) | |
1644 return p; | |
1645 } | |
1646 else if (*p == c || *p == cc) | |
1647 return p; | |
1648 } | |
1649 } | |
1650 else | |
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
1651 // Faster version for when there are no multi-byte characters. |
7 | 1652 for (p = s; *p != NUL; ++p) |
1653 if (*p == c || *p == cc) | |
1654 return p; | |
1655 | |
1656 return NULL; | |
1657 } | |
1658 | |
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
1659 //////////////////////////////////////////////////////////////// |
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
1660 // regsub stuff // |
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
1661 //////////////////////////////////////////////////////////////// |
7 | 1662 |
1663 /* | |
1664 * We should define ftpr as a pointer to a function returning a pointer to | |
1665 * a function returning a pointer to a function ... | |
1666 * This is impossible, so we declare a pointer to a function returning a | |
22151
01cab6232a9a
patch 8.2.1625: compiler warning for use of fptr_T
Bram Moolenaar <Bram@vim.org>
parents:
22143
diff
changeset
|
1667 * void pointer. This should work for all compilers. |
7 | 1668 */ |
22151
01cab6232a9a
patch 8.2.1625: compiler warning for use of fptr_T
Bram Moolenaar <Bram@vim.org>
parents:
22143
diff
changeset
|
1669 typedef void (*(*fptr_T)(int *, int)); |
7805
0b6c37dd858d
commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077
Christian Brabandt <cb@256bit.org>
parents:
7009
diff
changeset
|
1670 |
29048
c98fc7a4dde4
patch 8.2.5046: vim_regsub() can overwrite the destination
Bram Moolenaar <Bram@vim.org>
parents:
28692
diff
changeset
|
1671 static int vim_regsub_both(char_u *source, typval_T *expr, char_u *dest, int destlen, int flags); |
7 | 1672 |
772 | 1673 static fptr_T |
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
1674 do_upper(int *d, int c) |
7 | 1675 { |
772 | 1676 *d = MB_TOUPPER(c); |
1677 | |
1678 return (fptr_T)NULL; | |
7 | 1679 } |
1680 | |
772 | 1681 static fptr_T |
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
1682 do_Upper(int *d, int c) |
7 | 1683 { |
772 | 1684 *d = MB_TOUPPER(c); |
1685 | |
1686 return (fptr_T)do_Upper; | |
1687 } | |
1688 | |
1689 static fptr_T | |
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
1690 do_lower(int *d, int c) |
772 | 1691 { |
1692 *d = MB_TOLOWER(c); | |
1693 | |
1694 return (fptr_T)NULL; | |
1695 } | |
1696 | |
1697 static fptr_T | |
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
1698 do_Lower(int *d, int c) |
772 | 1699 { |
1700 *d = MB_TOLOWER(c); | |
1701 | |
1702 return (fptr_T)do_Lower; | |
7 | 1703 } |
1704 | |
1705 /* | |
1706 * regtilde(): Replace tildes in the pattern by the old pattern. | |
1707 * | |
1708 * Short explanation of the tilde: It stands for the previous replacement | |
1709 * pattern. If that previous pattern also contains a ~ we should go back a | |
1710 * step further... But we insert the previous pattern into the current one | |
1711 * and remember that. | |
772 | 1712 * This still does not handle the case where "magic" changes. So require the |
1713 * user to keep his hands off of "magic". | |
7 | 1714 * |
1715 * The tildes are parsed once before the first call to vim_regsub(). | |
1716 */ | |
1717 char_u * | |
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
1718 regtilde(char_u *source, int magic) |
7 | 1719 { |
1720 char_u *newsub = source; | |
1721 char_u *tmpsub; | |
1722 char_u *p; | |
1723 int len; | |
1724 int prevlen; | |
1725 | |
1726 for (p = newsub; *p; ++p) | |
1727 { | |
1728 if ((*p == '~' && magic) || (*p == '\\' && *(p + 1) == '~' && !magic)) | |
1729 { | |
1730 if (reg_prev_sub != NULL) | |
1731 { | |
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
1732 // length = len(newsub) - 1 + len(prev_sub) + 1 |
7 | 1733 prevlen = (int)STRLEN(reg_prev_sub); |
16764
ef00b6bc186b
patch 8.1.1384: using "int" for alloc() often results in compiler warnings
Bram Moolenaar <Bram@vim.org>
parents:
16634
diff
changeset
|
1734 tmpsub = alloc(STRLEN(newsub) + prevlen); |
7 | 1735 if (tmpsub != NULL) |
1736 { | |
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
1737 // copy prefix |
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
1738 len = (int)(p - newsub); // not including ~ |
7 | 1739 mch_memmove(tmpsub, newsub, (size_t)len); |
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
1740 // interpret tilde |
7 | 1741 mch_memmove(tmpsub + len, reg_prev_sub, (size_t)prevlen); |
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
1742 // copy postfix |
7 | 1743 if (!magic) |
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
1744 ++p; // back off backslash |
7 | 1745 STRCPY(tmpsub + len + prevlen, p + 1); |
1746 | |
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
1747 if (newsub != source) // already allocated newsub |
7 | 1748 vim_free(newsub); |
1749 newsub = tmpsub; | |
1750 p = newsub + len + prevlen; | |
1751 } | |
1752 } | |
1753 else if (magic) | |
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
1754 STRMOVE(p, p + 1); // remove '~' |
7 | 1755 else |
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
1756 STRMOVE(p, p + 2); // remove '\~' |
7 | 1757 --p; |
1758 } | |
1759 else | |
1760 { | |
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
1761 if (*p == '\\' && p[1]) // skip escaped characters |
7 | 1762 ++p; |
1763 if (has_mbyte) | |
474 | 1764 p += (*mb_ptr2len)(p) - 1; |
7 | 1765 } |
1766 } | |
1767 | |
1768 vim_free(reg_prev_sub); | |
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
1769 if (newsub != source) // newsub was allocated, just keep it |
7 | 1770 reg_prev_sub = newsub; |
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
1771 else // no ~ found, need to save newsub |
7 | 1772 reg_prev_sub = vim_strsave(newsub); |
1773 return newsub; | |
1774 } | |
1775 | |
1776 #ifdef FEAT_EVAL | |
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
1777 static int can_f_submatch = FALSE; // TRUE when submatch() can be used |
7 | 1778 |
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
1779 // These pointers are used for reg_submatch(). Needed for when the |
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
1780 // substitution string is an expression that contains a call to substitute() |
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
1781 // and submatch(). |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
1782 typedef struct { |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
1783 regmatch_T *sm_match; |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
1784 regmmatch_T *sm_mmatch; |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
1785 linenr_T sm_firstlnum; |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
1786 linenr_T sm_maxline; |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
1787 int sm_line_lbr; |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
1788 } regsubmatch_T; |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
1789 |
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
1790 static regsubmatch_T rsm; // can only be used when can_f_submatch is TRUE |
7 | 1791 #endif |
1792 | |
17966
46f95606b9ec
patch 8.1.1979: code for handling file names is spread out
Bram Moolenaar <Bram@vim.org>
parents:
17789
diff
changeset
|
1793 #ifdef FEAT_EVAL |
9626
172131507c85
commit https://github.com/vim/vim/commit/df48fb456fb6bf63d94cad9b302ff01d8ee8d311
Christian Brabandt <cb@256bit.org>
parents:
9589
diff
changeset
|
1794 |
172131507c85
commit https://github.com/vim/vim/commit/df48fb456fb6bf63d94cad9b302ff01d8ee8d311
Christian Brabandt <cb@256bit.org>
parents:
9589
diff
changeset
|
1795 /* |
18572
23fef64352a1
patch 8.1.2280: crash when passing partial to substitute()
Bram Moolenaar <Bram@vim.org>
parents:
18019
diff
changeset
|
1796 * Put the submatches in "argv[argskip]" which is a list passed into |
23fef64352a1
patch 8.1.2280: crash when passing partial to substitute()
Bram Moolenaar <Bram@vim.org>
parents:
18019
diff
changeset
|
1797 * call_func() by vim_regsub_both(). |
9626
172131507c85
commit https://github.com/vim/vim/commit/df48fb456fb6bf63d94cad9b302ff01d8ee8d311
Christian Brabandt <cb@256bit.org>
parents:
9589
diff
changeset
|
1798 */ |
172131507c85
commit https://github.com/vim/vim/commit/df48fb456fb6bf63d94cad9b302ff01d8ee8d311
Christian Brabandt <cb@256bit.org>
parents:
9589
diff
changeset
|
1799 static int |
18572
23fef64352a1
patch 8.1.2280: crash when passing partial to substitute()
Bram Moolenaar <Bram@vim.org>
parents:
18019
diff
changeset
|
1800 fill_submatch_list(int argc UNUSED, typval_T *argv, int argskip, int argcount) |
9626
172131507c85
commit https://github.com/vim/vim/commit/df48fb456fb6bf63d94cad9b302ff01d8ee8d311
Christian Brabandt <cb@256bit.org>
parents:
9589
diff
changeset
|
1801 { |
172131507c85
commit https://github.com/vim/vim/commit/df48fb456fb6bf63d94cad9b302ff01d8ee8d311
Christian Brabandt <cb@256bit.org>
parents:
9589
diff
changeset
|
1802 listitem_T *li; |
172131507c85
commit https://github.com/vim/vim/commit/df48fb456fb6bf63d94cad9b302ff01d8ee8d311
Christian Brabandt <cb@256bit.org>
parents:
9589
diff
changeset
|
1803 int i; |
172131507c85
commit https://github.com/vim/vim/commit/df48fb456fb6bf63d94cad9b302ff01d8ee8d311
Christian Brabandt <cb@256bit.org>
parents:
9589
diff
changeset
|
1804 char_u *s; |
18572
23fef64352a1
patch 8.1.2280: crash when passing partial to substitute()
Bram Moolenaar <Bram@vim.org>
parents:
18019
diff
changeset
|
1805 typval_T *listarg = argv + argskip; |
9626
172131507c85
commit https://github.com/vim/vim/commit/df48fb456fb6bf63d94cad9b302ff01d8ee8d311
Christian Brabandt <cb@256bit.org>
parents:
9589
diff
changeset
|
1806 |
18572
23fef64352a1
patch 8.1.2280: crash when passing partial to substitute()
Bram Moolenaar <Bram@vim.org>
parents:
18019
diff
changeset
|
1807 if (argcount == argskip) |
23fef64352a1
patch 8.1.2280: crash when passing partial to substitute()
Bram Moolenaar <Bram@vim.org>
parents:
18019
diff
changeset
|
1808 // called function doesn't take a submatches argument |
23fef64352a1
patch 8.1.2280: crash when passing partial to substitute()
Bram Moolenaar <Bram@vim.org>
parents:
18019
diff
changeset
|
1809 return argskip; |
9626
172131507c85
commit https://github.com/vim/vim/commit/df48fb456fb6bf63d94cad9b302ff01d8ee8d311
Christian Brabandt <cb@256bit.org>
parents:
9589
diff
changeset
|
1810 |
18572
23fef64352a1
patch 8.1.2280: crash when passing partial to substitute()
Bram Moolenaar <Bram@vim.org>
parents:
18019
diff
changeset
|
1811 // Relies on sl_list to be the first item in staticList10_T. |
23fef64352a1
patch 8.1.2280: crash when passing partial to substitute()
Bram Moolenaar <Bram@vim.org>
parents:
18019
diff
changeset
|
1812 init_static_list((staticList10_T *)(listarg->vval.v_list)); |
9626
172131507c85
commit https://github.com/vim/vim/commit/df48fb456fb6bf63d94cad9b302ff01d8ee8d311
Christian Brabandt <cb@256bit.org>
parents:
9589
diff
changeset
|
1813 |
18572
23fef64352a1
patch 8.1.2280: crash when passing partial to substitute()
Bram Moolenaar <Bram@vim.org>
parents:
18019
diff
changeset
|
1814 // There are always 10 list items in staticList10_T. |
23fef64352a1
patch 8.1.2280: crash when passing partial to substitute()
Bram Moolenaar <Bram@vim.org>
parents:
18019
diff
changeset
|
1815 li = listarg->vval.v_list->lv_first; |
9626
172131507c85
commit https://github.com/vim/vim/commit/df48fb456fb6bf63d94cad9b302ff01d8ee8d311
Christian Brabandt <cb@256bit.org>
parents:
9589
diff
changeset
|
1816 for (i = 0; i < 10; ++i) |
172131507c85
commit https://github.com/vim/vim/commit/df48fb456fb6bf63d94cad9b302ff01d8ee8d311
Christian Brabandt <cb@256bit.org>
parents:
9589
diff
changeset
|
1817 { |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
1818 s = rsm.sm_match->startp[i]; |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
1819 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
|
1820 s = NULL; |
172131507c85
commit https://github.com/vim/vim/commit/df48fb456fb6bf63d94cad9b302ff01d8ee8d311
Christian Brabandt <cb@256bit.org>
parents:
9589
diff
changeset
|
1821 else |
20830
9064044fd4f6
patch 8.2.0967: unnecessary type casts for vim_strnsave()
Bram Moolenaar <Bram@vim.org>
parents:
20113
diff
changeset
|
1822 s = vim_strnsave(s, rsm.sm_match->endp[i] - s); |
9626
172131507c85
commit https://github.com/vim/vim/commit/df48fb456fb6bf63d94cad9b302ff01d8ee8d311
Christian Brabandt <cb@256bit.org>
parents:
9589
diff
changeset
|
1823 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
|
1824 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
|
1825 li = li->li_next; |
172131507c85
commit https://github.com/vim/vim/commit/df48fb456fb6bf63d94cad9b302ff01d8ee8d311
Christian Brabandt <cb@256bit.org>
parents:
9589
diff
changeset
|
1826 } |
18572
23fef64352a1
patch 8.1.2280: crash when passing partial to substitute()
Bram Moolenaar <Bram@vim.org>
parents:
18019
diff
changeset
|
1827 return argskip + 1; |
9626
172131507c85
commit https://github.com/vim/vim/commit/df48fb456fb6bf63d94cad9b302ff01d8ee8d311
Christian Brabandt <cb@256bit.org>
parents:
9589
diff
changeset
|
1828 } |
172131507c85
commit https://github.com/vim/vim/commit/df48fb456fb6bf63d94cad9b302ff01d8ee8d311
Christian Brabandt <cb@256bit.org>
parents:
9589
diff
changeset
|
1829 |
172131507c85
commit https://github.com/vim/vim/commit/df48fb456fb6bf63d94cad9b302ff01d8ee8d311
Christian Brabandt <cb@256bit.org>
parents:
9589
diff
changeset
|
1830 static void |
172131507c85
commit https://github.com/vim/vim/commit/df48fb456fb6bf63d94cad9b302ff01d8ee8d311
Christian Brabandt <cb@256bit.org>
parents:
9589
diff
changeset
|
1831 clear_submatch_list(staticList10_T *sl) |
172131507c85
commit https://github.com/vim/vim/commit/df48fb456fb6bf63d94cad9b302ff01d8ee8d311
Christian Brabandt <cb@256bit.org>
parents:
9589
diff
changeset
|
1832 { |
172131507c85
commit https://github.com/vim/vim/commit/df48fb456fb6bf63d94cad9b302ff01d8ee8d311
Christian Brabandt <cb@256bit.org>
parents:
9589
diff
changeset
|
1833 int i; |
172131507c85
commit https://github.com/vim/vim/commit/df48fb456fb6bf63d94cad9b302ff01d8ee8d311
Christian Brabandt <cb@256bit.org>
parents:
9589
diff
changeset
|
1834 |
172131507c85
commit https://github.com/vim/vim/commit/df48fb456fb6bf63d94cad9b302ff01d8ee8d311
Christian Brabandt <cb@256bit.org>
parents:
9589
diff
changeset
|
1835 for (i = 0; i < 10; ++i) |
172131507c85
commit https://github.com/vim/vim/commit/df48fb456fb6bf63d94cad9b302ff01d8ee8d311
Christian Brabandt <cb@256bit.org>
parents:
9589
diff
changeset
|
1836 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
|
1837 } |
17966
46f95606b9ec
patch 8.1.1979: code for handling file names is spread out
Bram Moolenaar <Bram@vim.org>
parents:
17789
diff
changeset
|
1838 #endif |
9626
172131507c85
commit https://github.com/vim/vim/commit/df48fb456fb6bf63d94cad9b302ff01d8ee8d311
Christian Brabandt <cb@256bit.org>
parents:
9589
diff
changeset
|
1839 |
7 | 1840 /* |
1841 * vim_regsub() - perform substitutions after a vim_regexec() or | |
1842 * vim_regexec_multi() match. | |
1843 * | |
29048
c98fc7a4dde4
patch 8.2.5046: vim_regsub() can overwrite the destination
Bram Moolenaar <Bram@vim.org>
parents:
28692
diff
changeset
|
1844 * If "flags" has REGSUB_COPY really copy into "dest[destlen]". |
c98fc7a4dde4
patch 8.2.5046: vim_regsub() can overwrite the destination
Bram Moolenaar <Bram@vim.org>
parents:
28692
diff
changeset
|
1845 * Oterwise nothing is copied, only compue the length of the result. |
7 | 1846 * |
29048
c98fc7a4dde4
patch 8.2.5046: vim_regsub() can overwrite the destination
Bram Moolenaar <Bram@vim.org>
parents:
28692
diff
changeset
|
1847 * If "flags" has REGSUB_MAGIC then behave like 'magic' is set. |
c98fc7a4dde4
patch 8.2.5046: vim_regsub() can overwrite the destination
Bram Moolenaar <Bram@vim.org>
parents:
28692
diff
changeset
|
1848 * |
c98fc7a4dde4
patch 8.2.5046: vim_regsub() can overwrite the destination
Bram Moolenaar <Bram@vim.org>
parents:
28692
diff
changeset
|
1849 * If "flags" has REGSUB_BACKSLASH a backslash will be removed later, need to |
c98fc7a4dde4
patch 8.2.5046: vim_regsub() can overwrite the destination
Bram Moolenaar <Bram@vim.org>
parents:
28692
diff
changeset
|
1850 * double them to keep them, and insert a backslash before a CR to avoid it |
c98fc7a4dde4
patch 8.2.5046: vim_regsub() can overwrite the destination
Bram Moolenaar <Bram@vim.org>
parents:
28692
diff
changeset
|
1851 * being replaced with a line break later. |
7 | 1852 * |
1853 * Note: The matched text must not change between the call of | |
1854 * vim_regexec()/vim_regexec_multi() and vim_regsub()! It would make the back | |
1855 * references invalid! | |
1856 * | |
1857 * Returns the size of the replacement, including terminating NUL. | |
1858 */ | |
1859 int | |
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
1860 vim_regsub( |
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
1861 regmatch_T *rmp, |
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
1862 char_u *source, |
9589
bf204ab1ce7d
commit https://github.com/vim/vim/commit/72ab729c3dcdea0fba44d8e676602c847e841bcd
Christian Brabandt <cb@256bit.org>
parents:
9015
diff
changeset
|
1863 typval_T *expr, |
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
1864 char_u *dest, |
29048
c98fc7a4dde4
patch 8.2.5046: vim_regsub() can overwrite the destination
Bram Moolenaar <Bram@vim.org>
parents:
28692
diff
changeset
|
1865 int destlen, |
c98fc7a4dde4
patch 8.2.5046: vim_regsub() can overwrite the destination
Bram Moolenaar <Bram@vim.org>
parents:
28692
diff
changeset
|
1866 int flags) |
7 | 1867 { |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
1868 int result; |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
1869 regexec_T rex_save; |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
1870 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
|
1871 |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
1872 if (rex_in_use) |
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
1873 // Being called recursively, save the state. |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
1874 rex_save = rex; |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
1875 rex_in_use = TRUE; |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
1876 |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
1877 rex.reg_match = rmp; |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
1878 rex.reg_mmatch = NULL; |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
1879 rex.reg_maxline = 0; |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
1880 rex.reg_buf = curbuf; |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
1881 rex.reg_line_lbr = TRUE; |
29048
c98fc7a4dde4
patch 8.2.5046: vim_regsub() can overwrite the destination
Bram Moolenaar <Bram@vim.org>
parents:
28692
diff
changeset
|
1882 result = vim_regsub_both(source, expr, dest, destlen, flags); |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
1883 |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
1884 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
|
1885 if (rex_in_use) |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
1886 rex = rex_save; |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
1887 |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
1888 return result; |
7 | 1889 } |
1890 | |
1891 int | |
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
1892 vim_regsub_multi( |
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
1893 regmmatch_T *rmp, |
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
1894 linenr_T lnum, |
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
1895 char_u *source, |
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
1896 char_u *dest, |
29048
c98fc7a4dde4
patch 8.2.5046: vim_regsub() can overwrite the destination
Bram Moolenaar <Bram@vim.org>
parents:
28692
diff
changeset
|
1897 int destlen, |
c98fc7a4dde4
patch 8.2.5046: vim_regsub() can overwrite the destination
Bram Moolenaar <Bram@vim.org>
parents:
28692
diff
changeset
|
1898 int flags) |
7 | 1899 { |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
1900 int result; |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
1901 regexec_T rex_save; |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
1902 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
|
1903 |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
1904 if (rex_in_use) |
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
1905 // Being called recursively, save the state. |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
1906 rex_save = rex; |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
1907 rex_in_use = TRUE; |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
1908 |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
1909 rex.reg_match = NULL; |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
1910 rex.reg_mmatch = rmp; |
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
1911 rex.reg_buf = curbuf; // always works on the current buffer! |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
1912 rex.reg_firstlnum = lnum; |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
1913 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
|
1914 rex.reg_line_lbr = FALSE; |
29048
c98fc7a4dde4
patch 8.2.5046: vim_regsub() can overwrite the destination
Bram Moolenaar <Bram@vim.org>
parents:
28692
diff
changeset
|
1915 result = vim_regsub_both(source, NULL, dest, destlen, flags); |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
1916 |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
1917 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
|
1918 if (rex_in_use) |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
1919 rex = rex_save; |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
1920 |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
1921 return result; |
7 | 1922 } |
1923 | |
1924 static int | |
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
1925 vim_regsub_both( |
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
1926 char_u *source, |
9589
bf204ab1ce7d
commit https://github.com/vim/vim/commit/72ab729c3dcdea0fba44d8e676602c847e841bcd
Christian Brabandt <cb@256bit.org>
parents:
9015
diff
changeset
|
1927 typval_T *expr, |
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
1928 char_u *dest, |
29048
c98fc7a4dde4
patch 8.2.5046: vim_regsub() can overwrite the destination
Bram Moolenaar <Bram@vim.org>
parents:
28692
diff
changeset
|
1929 int destlen, |
c98fc7a4dde4
patch 8.2.5046: vim_regsub() can overwrite the destination
Bram Moolenaar <Bram@vim.org>
parents:
28692
diff
changeset
|
1930 int flags) |
7 | 1931 { |
1932 char_u *src; | |
1933 char_u *dst; | |
1934 char_u *s; | |
1935 int c; | |
772 | 1936 int cc; |
7 | 1937 int no = -1; |
4244 | 1938 fptr_T func_all = (fptr_T)NULL; |
1939 fptr_T func_one = (fptr_T)NULL; | |
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
1940 linenr_T clnum = 0; // init for GCC |
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
1941 int len = 0; // init for GCC |
7 | 1942 #ifdef FEAT_EVAL |
9589
bf204ab1ce7d
commit https://github.com/vim/vim/commit/72ab729c3dcdea0fba44d8e676602c847e841bcd
Christian Brabandt <cb@256bit.org>
parents:
9015
diff
changeset
|
1943 static char_u *eval_result = NULL; |
7 | 1944 #endif |
29048
c98fc7a4dde4
patch 8.2.5046: vim_regsub() can overwrite the destination
Bram Moolenaar <Bram@vim.org>
parents:
28692
diff
changeset
|
1945 int copy = flags & REGSUB_COPY; |
7 | 1946 |
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
1947 // Be paranoid... |
9589
bf204ab1ce7d
commit https://github.com/vim/vim/commit/72ab729c3dcdea0fba44d8e676602c847e841bcd
Christian Brabandt <cb@256bit.org>
parents:
9015
diff
changeset
|
1948 if ((source == NULL && expr == NULL) || dest == NULL) |
7 | 1949 { |
25306
078edc1821bf
patch 8.2.3190: error messages are spread out
Bram Moolenaar <Bram@vim.org>
parents:
24768
diff
changeset
|
1950 emsg(_(e_null_argument)); |
7 | 1951 return 0; |
1952 } | |
1953 if (prog_magic_wrong()) | |
1954 return 0; | |
1955 src = source; | |
1956 dst = dest; | |
1957 | |
1958 /* | |
1959 * When the substitute part starts with "\=" evaluate it as an expression. | |
1960 */ | |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
1961 if (expr != NULL || (source[0] == '\\' && source[1] == '=')) |
7 | 1962 { |
1963 #ifdef FEAT_EVAL | |
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
1964 // To make sure that the length doesn't change between checking the |
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
1965 // length and copying the string, and to speed up things, the |
29071
b90bca860b5a
patch 8.2.5057: using gettimeofday() for timeout is very inefficient
Bram Moolenaar <Bram@vim.org>
parents:
29048
diff
changeset
|
1966 // resulting string is saved from the call with |
b90bca860b5a
patch 8.2.5057: using gettimeofday() for timeout is very inefficient
Bram Moolenaar <Bram@vim.org>
parents:
29048
diff
changeset
|
1967 // "flags & REGSUB_COPY" == 0 to the call with |
b90bca860b5a
patch 8.2.5057: using gettimeofday() for timeout is very inefficient
Bram Moolenaar <Bram@vim.org>
parents:
29048
diff
changeset
|
1968 // "flags & REGSUB_COPY" != 0. |
7 | 1969 if (copy) |
1970 { | |
1971 if (eval_result != NULL) | |
1972 { | |
1973 STRCPY(dest, eval_result); | |
1974 dst += STRLEN(eval_result); | |
13244
ac42c4b11dbc
patch 8.0.1496: clearing a pointer takes two lines
Christian Brabandt <cb@256bit.org>
parents:
12752
diff
changeset
|
1975 VIM_CLEAR(eval_result); |
7 | 1976 } |
1977 } | |
1978 else | |
1979 { | |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
1980 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
|
1981 regsubmatch_T rsm_save; |
7 | 1982 |
29071
b90bca860b5a
patch 8.2.5057: using gettimeofday() for timeout is very inefficient
Bram Moolenaar <Bram@vim.org>
parents:
29048
diff
changeset
|
1983 VIM_CLEAR(eval_result); |
7 | 1984 |
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
1985 // The expression may contain substitute(), which calls us |
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
1986 // recursively. Make sure submatch() gets the text from the first |
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
1987 // level. |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
1988 if (can_f_submatch) |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
1989 rsm_save = rsm; |
7 | 1990 can_f_submatch = TRUE; |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
1991 rsm.sm_match = rex.reg_match; |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
1992 rsm.sm_mmatch = rex.reg_mmatch; |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
1993 rsm.sm_firstlnum = rex.reg_firstlnum; |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
1994 rsm.sm_maxline = rex.reg_maxline; |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
1995 rsm.sm_line_lbr = rex.reg_line_lbr; |
7 | 1996 |
9589
bf204ab1ce7d
commit https://github.com/vim/vim/commit/72ab729c3dcdea0fba44d8e676602c847e841bcd
Christian Brabandt <cb@256bit.org>
parents:
9015
diff
changeset
|
1997 if (expr != NULL) |
bf204ab1ce7d
commit https://github.com/vim/vim/commit/72ab729c3dcdea0fba44d8e676602c847e841bcd
Christian Brabandt <cb@256bit.org>
parents:
9015
diff
changeset
|
1998 { |
9626
172131507c85
commit https://github.com/vim/vim/commit/df48fb456fb6bf63d94cad9b302ff01d8ee8d311
Christian Brabandt <cb@256bit.org>
parents:
9589
diff
changeset
|
1999 typval_T argv[2]; |
9589
bf204ab1ce7d
commit https://github.com/vim/vim/commit/72ab729c3dcdea0fba44d8e676602c847e841bcd
Christian Brabandt <cb@256bit.org>
parents:
9015
diff
changeset
|
2000 char_u buf[NUMBUFLEN]; |
bf204ab1ce7d
commit https://github.com/vim/vim/commit/72ab729c3dcdea0fba44d8e676602c847e841bcd
Christian Brabandt <cb@256bit.org>
parents:
9015
diff
changeset
|
2001 typval_T rettv; |
9626
172131507c85
commit https://github.com/vim/vim/commit/df48fb456fb6bf63d94cad9b302ff01d8ee8d311
Christian Brabandt <cb@256bit.org>
parents:
9589
diff
changeset
|
2002 staticList10_T matchList; |
17606
ff097edaae89
patch 8.1.1800: function call functions have too many arguments
Bram Moolenaar <Bram@vim.org>
parents:
17444
diff
changeset
|
2003 funcexe_T funcexe; |
9589
bf204ab1ce7d
commit https://github.com/vim/vim/commit/72ab729c3dcdea0fba44d8e676602c847e841bcd
Christian Brabandt <cb@256bit.org>
parents:
9015
diff
changeset
|
2004 |
bf204ab1ce7d
commit https://github.com/vim/vim/commit/72ab729c3dcdea0fba44d8e676602c847e841bcd
Christian Brabandt <cb@256bit.org>
parents:
9015
diff
changeset
|
2005 rettv.v_type = VAR_STRING; |
bf204ab1ce7d
commit https://github.com/vim/vim/commit/72ab729c3dcdea0fba44d8e676602c847e841bcd
Christian Brabandt <cb@256bit.org>
parents:
9015
diff
changeset
|
2006 rettv.vval.v_string = NULL; |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
2007 argv[0].v_type = VAR_LIST; |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
2008 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
|
2009 matchList.sl_list.lv_len = 0; |
20007
aadd1cae2ff5
patch 8.2.0559: clearing a struct is verbose
Bram Moolenaar <Bram@vim.org>
parents:
19892
diff
changeset
|
2010 CLEAR_FIELD(funcexe); |
26534
28745eec1dda
patch 8.2.3796: the funcexe_T struct members are not named consistently
Bram Moolenaar <Bram@vim.org>
parents:
26436
diff
changeset
|
2011 funcexe.fe_argv_func = fill_submatch_list; |
28745eec1dda
patch 8.2.3796: the funcexe_T struct members are not named consistently
Bram Moolenaar <Bram@vim.org>
parents:
26436
diff
changeset
|
2012 funcexe.fe_evaluate = TRUE; |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
2013 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
|
2014 { |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
2015 s = expr->vval.v_string; |
17606
ff097edaae89
patch 8.1.1800: function call functions have too many arguments
Bram Moolenaar <Bram@vim.org>
parents:
17444
diff
changeset
|
2016 call_func(s, -1, &rettv, 1, argv, &funcexe); |
9589
bf204ab1ce7d
commit https://github.com/vim/vim/commit/72ab729c3dcdea0fba44d8e676602c847e841bcd
Christian Brabandt <cb@256bit.org>
parents:
9015
diff
changeset
|
2017 } |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
2018 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
|
2019 { |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
2020 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
|
2021 |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
2022 s = partial_name(partial); |
26534
28745eec1dda
patch 8.2.3796: the funcexe_T struct members are not named consistently
Bram Moolenaar <Bram@vim.org>
parents:
26436
diff
changeset
|
2023 funcexe.fe_partial = partial; |
17606
ff097edaae89
patch 8.1.1800: function call functions have too many arguments
Bram Moolenaar <Bram@vim.org>
parents:
17444
diff
changeset
|
2024 call_func(s, -1, &rettv, 1, argv, &funcexe); |
9589
bf204ab1ce7d
commit https://github.com/vim/vim/commit/72ab729c3dcdea0fba44d8e676602c847e841bcd
Christian Brabandt <cb@256bit.org>
parents:
9015
diff
changeset
|
2025 } |
28692
bfd8e25fa207
patch 8.2.4870: Vim9: expression in :substitute is not compiled
Bram Moolenaar <Bram@vim.org>
parents:
28572
diff
changeset
|
2026 else if (expr->v_type == VAR_INSTR) |
bfd8e25fa207
patch 8.2.4870: Vim9: expression in :substitute is not compiled
Bram Moolenaar <Bram@vim.org>
parents:
28572
diff
changeset
|
2027 { |
bfd8e25fa207
patch 8.2.4870: Vim9: expression in :substitute is not compiled
Bram Moolenaar <Bram@vim.org>
parents:
28572
diff
changeset
|
2028 exe_typval_instr(expr, &rettv); |
bfd8e25fa207
patch 8.2.4870: Vim9: expression in :substitute is not compiled
Bram Moolenaar <Bram@vim.org>
parents:
28572
diff
changeset
|
2029 } |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
2030 if (matchList.sl_list.lv_len > 0) |
18576
e9675870c480
patch 8.1.2282: crash when passing many arguments through a partial
Bram Moolenaar <Bram@vim.org>
parents:
18572
diff
changeset
|
2031 // fill_submatch_list() was called |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
2032 clear_submatch_list(&matchList); |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
2033 |
18576
e9675870c480
patch 8.1.2282: crash when passing many arguments through a partial
Bram Moolenaar <Bram@vim.org>
parents:
18572
diff
changeset
|
2034 if (rettv.v_type == VAR_UNKNOWN) |
e9675870c480
patch 8.1.2282: crash when passing many arguments through a partial
Bram Moolenaar <Bram@vim.org>
parents:
18572
diff
changeset
|
2035 // something failed, no need to report another error |
e9675870c480
patch 8.1.2282: crash when passing many arguments through a partial
Bram Moolenaar <Bram@vim.org>
parents:
18572
diff
changeset
|
2036 eval_result = NULL; |
e9675870c480
patch 8.1.2282: crash when passing many arguments through a partial
Bram Moolenaar <Bram@vim.org>
parents:
18572
diff
changeset
|
2037 else |
e9675870c480
patch 8.1.2282: crash when passing many arguments through a partial
Bram Moolenaar <Bram@vim.org>
parents:
18572
diff
changeset
|
2038 { |
e9675870c480
patch 8.1.2282: crash when passing many arguments through a partial
Bram Moolenaar <Bram@vim.org>
parents:
18572
diff
changeset
|
2039 eval_result = tv_get_string_buf_chk(&rettv, buf); |
e9675870c480
patch 8.1.2282: crash when passing many arguments through a partial
Bram Moolenaar <Bram@vim.org>
parents:
18572
diff
changeset
|
2040 if (eval_result != NULL) |
e9675870c480
patch 8.1.2282: crash when passing many arguments through a partial
Bram Moolenaar <Bram@vim.org>
parents:
18572
diff
changeset
|
2041 eval_result = vim_strsave(eval_result); |
e9675870c480
patch 8.1.2282: crash when passing many arguments through a partial
Bram Moolenaar <Bram@vim.org>
parents:
18572
diff
changeset
|
2042 } |
9626
172131507c85
commit https://github.com/vim/vim/commit/df48fb456fb6bf63d94cad9b302ff01d8ee8d311
Christian Brabandt <cb@256bit.org>
parents:
9589
diff
changeset
|
2043 clear_tv(&rettv); |
9589
bf204ab1ce7d
commit https://github.com/vim/vim/commit/72ab729c3dcdea0fba44d8e676602c847e841bcd
Christian Brabandt <cb@256bit.org>
parents:
9015
diff
changeset
|
2044 } |
24488
f293bb501b30
patch 8.2.2784: Vim9: cannot use =expr in :substitute
Bram Moolenaar <Bram@vim.org>
parents:
23505
diff
changeset
|
2045 else if (substitute_instr != NULL) |
f293bb501b30
patch 8.2.2784: Vim9: cannot use =expr in :substitute
Bram Moolenaar <Bram@vim.org>
parents:
23505
diff
changeset
|
2046 // Execute instructions from ISN_SUBSTITUTE. |
f293bb501b30
patch 8.2.2784: Vim9: cannot use =expr in :substitute
Bram Moolenaar <Bram@vim.org>
parents:
23505
diff
changeset
|
2047 eval_result = exe_substitute_instr(); |
9589
bf204ab1ce7d
commit https://github.com/vim/vim/commit/72ab729c3dcdea0fba44d8e676602c847e841bcd
Christian Brabandt <cb@256bit.org>
parents:
9015
diff
changeset
|
2048 else |
20996
3af71cbcfdbe
patch 8.2.1049: Vim9: leaking memory when using continuation line
Bram Moolenaar <Bram@vim.org>
parents:
20830
diff
changeset
|
2049 eval_result = eval_to_string(source + 2, TRUE); |
9589
bf204ab1ce7d
commit https://github.com/vim/vim/commit/72ab729c3dcdea0fba44d8e676602c847e841bcd
Christian Brabandt <cb@256bit.org>
parents:
9015
diff
changeset
|
2050 |
7 | 2051 if (eval_result != NULL) |
2052 { | |
2125
b8744d1982d1
updated for version 7.2.407
Bram Moolenaar <bram@zimbu.org>
parents:
2012
diff
changeset
|
2053 int had_backslash = FALSE; |
b8744d1982d1
updated for version 7.2.407
Bram Moolenaar <bram@zimbu.org>
parents:
2012
diff
changeset
|
2054 |
11127
506f5d8b7d8b
patch 8.0.0451: some macros are in lower case
Christian Brabandt <cb@256bit.org>
parents:
11121
diff
changeset
|
2055 for (s = eval_result; *s != NUL; MB_PTR_ADV(s)) |
7 | 2056 { |
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
2057 // Change NL to CR, so that it becomes a line break, |
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
2058 // unless called from vim_regexec_nl(). |
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
2059 // Skip over a backslashed character. |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
2060 if (*s == NL && !rsm.sm_line_lbr) |
7 | 2061 *s = CAR; |
2062 else if (*s == '\\' && s[1] != NUL) | |
2125
b8744d1982d1
updated for version 7.2.407
Bram Moolenaar <bram@zimbu.org>
parents:
2012
diff
changeset
|
2063 { |
7 | 2064 ++s; |
2173 | 2065 /* Change NL to CR here too, so that this works: |
2066 * :s/abc\\\ndef/\="aaa\\\nbbb"/ on text: | |
2067 * abc\ | |
2068 * def | |
2904 | 2069 * Not when called from vim_regexec_nl(). |
2173 | 2070 */ |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
2071 if (*s == NL && !rsm.sm_line_lbr) |
2173 | 2072 *s = CAR; |
2125
b8744d1982d1
updated for version 7.2.407
Bram Moolenaar <bram@zimbu.org>
parents:
2012
diff
changeset
|
2073 had_backslash = TRUE; |
b8744d1982d1
updated for version 7.2.407
Bram Moolenaar <bram@zimbu.org>
parents:
2012
diff
changeset
|
2074 } |
b8744d1982d1
updated for version 7.2.407
Bram Moolenaar <bram@zimbu.org>
parents:
2012
diff
changeset
|
2075 } |
29048
c98fc7a4dde4
patch 8.2.5046: vim_regsub() can overwrite the destination
Bram Moolenaar <Bram@vim.org>
parents:
28692
diff
changeset
|
2076 if (had_backslash && (flags & REGSUB_BACKSLASH)) |
2125
b8744d1982d1
updated for version 7.2.407
Bram Moolenaar <bram@zimbu.org>
parents:
2012
diff
changeset
|
2077 { |
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
2078 // Backslashes will be consumed, need to double them. |
2125
b8744d1982d1
updated for version 7.2.407
Bram Moolenaar <bram@zimbu.org>
parents:
2012
diff
changeset
|
2079 s = vim_strsave_escaped(eval_result, (char_u *)"\\"); |
b8744d1982d1
updated for version 7.2.407
Bram Moolenaar <bram@zimbu.org>
parents:
2012
diff
changeset
|
2080 if (s != NULL) |
b8744d1982d1
updated for version 7.2.407
Bram Moolenaar <bram@zimbu.org>
parents:
2012
diff
changeset
|
2081 { |
b8744d1982d1
updated for version 7.2.407
Bram Moolenaar <bram@zimbu.org>
parents:
2012
diff
changeset
|
2082 vim_free(eval_result); |
b8744d1982d1
updated for version 7.2.407
Bram Moolenaar <bram@zimbu.org>
parents:
2012
diff
changeset
|
2083 eval_result = s; |
b8744d1982d1
updated for version 7.2.407
Bram Moolenaar <bram@zimbu.org>
parents:
2012
diff
changeset
|
2084 } |
7 | 2085 } |
2086 | |
2087 dst += STRLEN(eval_result); | |
2088 } | |
2089 | |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
2090 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
|
2091 if (can_f_submatch) |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
2092 rsm = rsm_save; |
7 | 2093 } |
2094 #endif | |
2095 } | |
2096 else | |
2097 while ((c = *src++) != NUL) | |
2098 { | |
29048
c98fc7a4dde4
patch 8.2.5046: vim_regsub() can overwrite the destination
Bram Moolenaar <Bram@vim.org>
parents:
28692
diff
changeset
|
2099 if (c == '&' && (flags & REGSUB_MAGIC)) |
7 | 2100 no = 0; |
2101 else if (c == '\\' && *src != NUL) | |
2102 { | |
29048
c98fc7a4dde4
patch 8.2.5046: vim_regsub() can overwrite the destination
Bram Moolenaar <Bram@vim.org>
parents:
28692
diff
changeset
|
2103 if (*src == '&' && !(flags & REGSUB_MAGIC)) |
7 | 2104 { |
2105 ++src; | |
2106 no = 0; | |
2107 } | |
2108 else if ('0' <= *src && *src <= '9') | |
2109 { | |
2110 no = *src++ - '0'; | |
2111 } | |
2112 else if (vim_strchr((char_u *)"uUlLeE", *src)) | |
2113 { | |
2114 switch (*src++) | |
2115 { | |
4244 | 2116 case 'u': func_one = (fptr_T)do_upper; |
7 | 2117 continue; |
4244 | 2118 case 'U': func_all = (fptr_T)do_Upper; |
7 | 2119 continue; |
4244 | 2120 case 'l': func_one = (fptr_T)do_lower; |
7 | 2121 continue; |
4244 | 2122 case 'L': func_all = (fptr_T)do_Lower; |
7 | 2123 continue; |
2124 case 'e': | |
4244 | 2125 case 'E': func_one = func_all = (fptr_T)NULL; |
7 | 2126 continue; |
2127 } | |
2128 } | |
2129 } | |
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
2130 if (no < 0) // Ordinary character. |
7 | 2131 { |
798 | 2132 if (c == K_SPECIAL && src[0] != NUL && src[1] != NUL) |
2133 { | |
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
2134 // Copy a special key as-is. |
798 | 2135 if (copy) |
2136 { | |
29048
c98fc7a4dde4
patch 8.2.5046: vim_regsub() can overwrite the destination
Bram Moolenaar <Bram@vim.org>
parents:
28692
diff
changeset
|
2137 if (dst + 3 > dest + destlen) |
c98fc7a4dde4
patch 8.2.5046: vim_regsub() can overwrite the destination
Bram Moolenaar <Bram@vim.org>
parents:
28692
diff
changeset
|
2138 { |
c98fc7a4dde4
patch 8.2.5046: vim_regsub() can overwrite the destination
Bram Moolenaar <Bram@vim.org>
parents:
28692
diff
changeset
|
2139 iemsg("vim_regsub_both(): not enough space"); |
c98fc7a4dde4
patch 8.2.5046: vim_regsub() can overwrite the destination
Bram Moolenaar <Bram@vim.org>
parents:
28692
diff
changeset
|
2140 return 0; |
c98fc7a4dde4
patch 8.2.5046: vim_regsub() can overwrite the destination
Bram Moolenaar <Bram@vim.org>
parents:
28692
diff
changeset
|
2141 } |
798 | 2142 *dst++ = c; |
2143 *dst++ = *src++; | |
2144 *dst++ = *src++; | |
2145 } | |
2146 else | |
2147 { | |
2148 dst += 3; | |
2149 src += 2; | |
2150 } | |
2151 continue; | |
2152 } | |
2153 | |
7 | 2154 if (c == '\\' && *src != NUL) |
2155 { | |
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
2156 // Check for abbreviations -- webb |
7 | 2157 switch (*src) |
2158 { | |
2159 case 'r': c = CAR; ++src; break; | |
2160 case 'n': c = NL; ++src; break; | |
2161 case 't': c = TAB; ++src; break; | |
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
2162 // Oh no! \e already has meaning in subst pat :-( |
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
2163 // case 'e': c = ESC; ++src; break; |
7 | 2164 case 'b': c = Ctrl_H; ++src; break; |
2165 | |
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
2166 // If "backslash" is TRUE the backslash will be removed |
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
2167 // later. Used to insert a literal CR. |
29048
c98fc7a4dde4
patch 8.2.5046: vim_regsub() can overwrite the destination
Bram Moolenaar <Bram@vim.org>
parents:
28692
diff
changeset
|
2168 default: if (flags & REGSUB_BACKSLASH) |
7 | 2169 { |
2170 if (copy) | |
29048
c98fc7a4dde4
patch 8.2.5046: vim_regsub() can overwrite the destination
Bram Moolenaar <Bram@vim.org>
parents:
28692
diff
changeset
|
2171 { |
c98fc7a4dde4
patch 8.2.5046: vim_regsub() can overwrite the destination
Bram Moolenaar <Bram@vim.org>
parents:
28692
diff
changeset
|
2172 if (dst + 1 > dest + destlen) |
c98fc7a4dde4
patch 8.2.5046: vim_regsub() can overwrite the destination
Bram Moolenaar <Bram@vim.org>
parents:
28692
diff
changeset
|
2173 { |
c98fc7a4dde4
patch 8.2.5046: vim_regsub() can overwrite the destination
Bram Moolenaar <Bram@vim.org>
parents:
28692
diff
changeset
|
2174 iemsg("vim_regsub_both(): not enough space"); |
c98fc7a4dde4
patch 8.2.5046: vim_regsub() can overwrite the destination
Bram Moolenaar <Bram@vim.org>
parents:
28692
diff
changeset
|
2175 return 0; |
c98fc7a4dde4
patch 8.2.5046: vim_regsub() can overwrite the destination
Bram Moolenaar <Bram@vim.org>
parents:
28692
diff
changeset
|
2176 } |
7 | 2177 *dst = '\\'; |
29048
c98fc7a4dde4
patch 8.2.5046: vim_regsub() can overwrite the destination
Bram Moolenaar <Bram@vim.org>
parents:
28692
diff
changeset
|
2178 } |
7 | 2179 ++dst; |
2180 } | |
2181 c = *src++; | |
2182 } | |
2183 } | |
798 | 2184 else if (has_mbyte) |
2185 c = mb_ptr2char(src - 1); | |
7 | 2186 |
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
2187 // Write to buffer, if copy is set. |
4244 | 2188 if (func_one != (fptr_T)NULL) |
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
2189 // Turbo C complains without the typecast |
4244 | 2190 func_one = (fptr_T)(func_one(&cc, c)); |
2191 else if (func_all != (fptr_T)NULL) | |
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
2192 // Turbo C complains without the typecast |
4244 | 2193 func_all = (fptr_T)(func_all(&cc, c)); |
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
2194 else // just copy |
772 | 2195 cc = c; |
2196 | |
2197 if (has_mbyte) | |
7 | 2198 { |
2307
81527f127fb1
Fix: Composing characters in :s substitute text were dropped.
Bram Moolenaar <bram@vim.org>
parents:
2247
diff
changeset
|
2199 int totlen = mb_ptr2len(src - 1); |
29048
c98fc7a4dde4
patch 8.2.5046: vim_regsub() can overwrite the destination
Bram Moolenaar <Bram@vim.org>
parents:
28692
diff
changeset
|
2200 int charlen = mb_char2len(cc); |
2307
81527f127fb1
Fix: Composing characters in :s substitute text were dropped.
Bram Moolenaar <bram@vim.org>
parents:
2247
diff
changeset
|
2201 |
7 | 2202 if (copy) |
29048
c98fc7a4dde4
patch 8.2.5046: vim_regsub() can overwrite the destination
Bram Moolenaar <Bram@vim.org>
parents:
28692
diff
changeset
|
2203 { |
c98fc7a4dde4
patch 8.2.5046: vim_regsub() can overwrite the destination
Bram Moolenaar <Bram@vim.org>
parents:
28692
diff
changeset
|
2204 if (dst + charlen > dest + destlen) |
c98fc7a4dde4
patch 8.2.5046: vim_regsub() can overwrite the destination
Bram Moolenaar <Bram@vim.org>
parents:
28692
diff
changeset
|
2205 { |
c98fc7a4dde4
patch 8.2.5046: vim_regsub() can overwrite the destination
Bram Moolenaar <Bram@vim.org>
parents:
28692
diff
changeset
|
2206 iemsg("vim_regsub_both(): not enough space"); |
c98fc7a4dde4
patch 8.2.5046: vim_regsub() can overwrite the destination
Bram Moolenaar <Bram@vim.org>
parents:
28692
diff
changeset
|
2207 return 0; |
c98fc7a4dde4
patch 8.2.5046: vim_regsub() can overwrite the destination
Bram Moolenaar <Bram@vim.org>
parents:
28692
diff
changeset
|
2208 } |
772 | 2209 mb_char2bytes(cc, dst); |
29048
c98fc7a4dde4
patch 8.2.5046: vim_regsub() can overwrite the destination
Bram Moolenaar <Bram@vim.org>
parents:
28692
diff
changeset
|
2210 } |
c98fc7a4dde4
patch 8.2.5046: vim_regsub() can overwrite the destination
Bram Moolenaar <Bram@vim.org>
parents:
28692
diff
changeset
|
2211 dst += charlen - 1; |
2307
81527f127fb1
Fix: Composing characters in :s substitute text were dropped.
Bram Moolenaar <bram@vim.org>
parents:
2247
diff
changeset
|
2212 if (enc_utf8) |
81527f127fb1
Fix: Composing characters in :s substitute text were dropped.
Bram Moolenaar <bram@vim.org>
parents:
2247
diff
changeset
|
2213 { |
81527f127fb1
Fix: Composing characters in :s substitute text were dropped.
Bram Moolenaar <bram@vim.org>
parents:
2247
diff
changeset
|
2214 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
|
2215 |
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
2216 // If the character length is shorter than "totlen", there |
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
2217 // are composing characters; copy them as-is. |
2307
81527f127fb1
Fix: Composing characters in :s substitute text were dropped.
Bram Moolenaar <bram@vim.org>
parents:
2247
diff
changeset
|
2218 if (clen < totlen) |
81527f127fb1
Fix: Composing characters in :s substitute text were dropped.
Bram Moolenaar <bram@vim.org>
parents:
2247
diff
changeset
|
2219 { |
81527f127fb1
Fix: Composing characters in :s substitute text were dropped.
Bram Moolenaar <bram@vim.org>
parents:
2247
diff
changeset
|
2220 if (copy) |
29048
c98fc7a4dde4
patch 8.2.5046: vim_regsub() can overwrite the destination
Bram Moolenaar <Bram@vim.org>
parents:
28692
diff
changeset
|
2221 { |
c98fc7a4dde4
patch 8.2.5046: vim_regsub() can overwrite the destination
Bram Moolenaar <Bram@vim.org>
parents:
28692
diff
changeset
|
2222 if (dst + totlen - clen > dest + destlen) |
c98fc7a4dde4
patch 8.2.5046: vim_regsub() can overwrite the destination
Bram Moolenaar <Bram@vim.org>
parents:
28692
diff
changeset
|
2223 { |
c98fc7a4dde4
patch 8.2.5046: vim_regsub() can overwrite the destination
Bram Moolenaar <Bram@vim.org>
parents:
28692
diff
changeset
|
2224 iemsg("vim_regsub_both(): not enough space"); |
c98fc7a4dde4
patch 8.2.5046: vim_regsub() can overwrite the destination
Bram Moolenaar <Bram@vim.org>
parents:
28692
diff
changeset
|
2225 return 0; |
c98fc7a4dde4
patch 8.2.5046: vim_regsub() can overwrite the destination
Bram Moolenaar <Bram@vim.org>
parents:
28692
diff
changeset
|
2226 } |
2307
81527f127fb1
Fix: Composing characters in :s substitute text were dropped.
Bram Moolenaar <bram@vim.org>
parents:
2247
diff
changeset
|
2227 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
|
2228 (size_t)(totlen - clen)); |
29048
c98fc7a4dde4
patch 8.2.5046: vim_regsub() can overwrite the destination
Bram Moolenaar <Bram@vim.org>
parents:
28692
diff
changeset
|
2229 } |
2307
81527f127fb1
Fix: Composing characters in :s substitute text were dropped.
Bram Moolenaar <bram@vim.org>
parents:
2247
diff
changeset
|
2230 dst += totlen - clen; |
81527f127fb1
Fix: Composing characters in :s substitute text were dropped.
Bram Moolenaar <bram@vim.org>
parents:
2247
diff
changeset
|
2231 } |
81527f127fb1
Fix: Composing characters in :s substitute text were dropped.
Bram Moolenaar <bram@vim.org>
parents:
2247
diff
changeset
|
2232 } |
81527f127fb1
Fix: Composing characters in :s substitute text were dropped.
Bram Moolenaar <bram@vim.org>
parents:
2247
diff
changeset
|
2233 src += totlen - 1; |
7 | 2234 } |
15603
639b8318472c
patch 8.1.0809: too many #ifdefs
Bram Moolenaar <Bram@vim.org>
parents:
15555
diff
changeset
|
2235 else if (copy) |
29048
c98fc7a4dde4
patch 8.2.5046: vim_regsub() can overwrite the destination
Bram Moolenaar <Bram@vim.org>
parents:
28692
diff
changeset
|
2236 { |
c98fc7a4dde4
patch 8.2.5046: vim_regsub() can overwrite the destination
Bram Moolenaar <Bram@vim.org>
parents:
28692
diff
changeset
|
2237 if (dst + 1 > dest + destlen) |
c98fc7a4dde4
patch 8.2.5046: vim_regsub() can overwrite the destination
Bram Moolenaar <Bram@vim.org>
parents:
28692
diff
changeset
|
2238 { |
c98fc7a4dde4
patch 8.2.5046: vim_regsub() can overwrite the destination
Bram Moolenaar <Bram@vim.org>
parents:
28692
diff
changeset
|
2239 iemsg("vim_regsub_both(): not enough space"); |
c98fc7a4dde4
patch 8.2.5046: vim_regsub() can overwrite the destination
Bram Moolenaar <Bram@vim.org>
parents:
28692
diff
changeset
|
2240 return 0; |
c98fc7a4dde4
patch 8.2.5046: vim_regsub() can overwrite the destination
Bram Moolenaar <Bram@vim.org>
parents:
28692
diff
changeset
|
2241 } |
c98fc7a4dde4
patch 8.2.5046: vim_regsub() can overwrite the destination
Bram Moolenaar <Bram@vim.org>
parents:
28692
diff
changeset
|
2242 *dst = cc; |
c98fc7a4dde4
patch 8.2.5046: vim_regsub() can overwrite the destination
Bram Moolenaar <Bram@vim.org>
parents:
28692
diff
changeset
|
2243 } |
7 | 2244 dst++; |
2245 } | |
2246 else | |
2247 { | |
2248 if (REG_MULTI) | |
2249 { | |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
2250 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
|
2251 if (clnum < 0 || rex.reg_mmatch->endpos[no].lnum < 0) |
7 | 2252 s = NULL; |
2253 else | |
2254 { | |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
2255 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
|
2256 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
|
2257 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
|
2258 - rex.reg_mmatch->startpos[no].col; |
7 | 2259 else |
2260 len = (int)STRLEN(s); | |
2261 } | |
2262 } | |
2263 else | |
2264 { | |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
2265 s = rex.reg_match->startp[no]; |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
2266 if (rex.reg_match->endp[no] == NULL) |
7 | 2267 s = NULL; |
2268 else | |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
2269 len = (int)(rex.reg_match->endp[no] - s); |
7 | 2270 } |
2271 if (s != NULL) | |
2272 { | |
2273 for (;;) | |
2274 { | |
2275 if (len == 0) | |
2276 { | |
2277 if (REG_MULTI) | |
2278 { | |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
2279 if (rex.reg_mmatch->endpos[no].lnum == clnum) |
7 | 2280 break; |
2281 if (copy) | |
29048
c98fc7a4dde4
patch 8.2.5046: vim_regsub() can overwrite the destination
Bram Moolenaar <Bram@vim.org>
parents:
28692
diff
changeset
|
2282 { |
c98fc7a4dde4
patch 8.2.5046: vim_regsub() can overwrite the destination
Bram Moolenaar <Bram@vim.org>
parents:
28692
diff
changeset
|
2283 if (dst + 1 > dest + destlen) |
c98fc7a4dde4
patch 8.2.5046: vim_regsub() can overwrite the destination
Bram Moolenaar <Bram@vim.org>
parents:
28692
diff
changeset
|
2284 { |
c98fc7a4dde4
patch 8.2.5046: vim_regsub() can overwrite the destination
Bram Moolenaar <Bram@vim.org>
parents:
28692
diff
changeset
|
2285 iemsg("vim_regsub_both(): not enough space"); |
c98fc7a4dde4
patch 8.2.5046: vim_regsub() can overwrite the destination
Bram Moolenaar <Bram@vim.org>
parents:
28692
diff
changeset
|
2286 return 0; |
c98fc7a4dde4
patch 8.2.5046: vim_regsub() can overwrite the destination
Bram Moolenaar <Bram@vim.org>
parents:
28692
diff
changeset
|
2287 } |
7 | 2288 *dst = CAR; |
29048
c98fc7a4dde4
patch 8.2.5046: vim_regsub() can overwrite the destination
Bram Moolenaar <Bram@vim.org>
parents:
28692
diff
changeset
|
2289 } |
7 | 2290 ++dst; |
2291 s = reg_getline(++clnum); | |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
2292 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
|
2293 len = rex.reg_mmatch->endpos[no].col; |
7 | 2294 else |
2295 len = (int)STRLEN(s); | |
2296 } | |
2297 else | |
2298 break; | |
2299 } | |
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
2300 else if (*s == NUL) // we hit NUL. |
7 | 2301 { |
2302 if (copy) | |
25306
078edc1821bf
patch 8.2.3190: error messages are spread out
Bram Moolenaar <Bram@vim.org>
parents:
24768
diff
changeset
|
2303 iemsg(_(e_damaged_match_string)); |
7 | 2304 goto exit; |
2305 } | |
2306 else | |
2307 { | |
29048
c98fc7a4dde4
patch 8.2.5046: vim_regsub() can overwrite the destination
Bram Moolenaar <Bram@vim.org>
parents:
28692
diff
changeset
|
2308 if ((flags & REGSUB_BACKSLASH) |
c98fc7a4dde4
patch 8.2.5046: vim_regsub() can overwrite the destination
Bram Moolenaar <Bram@vim.org>
parents:
28692
diff
changeset
|
2309 && (*s == CAR || *s == '\\')) |
7 | 2310 { |
2311 /* | |
2312 * Insert a backslash in front of a CR, otherwise | |
2313 * it will be replaced by a line break. | |
2314 * Number of backslashes will be halved later, | |
2315 * double them here. | |
2316 */ | |
2317 if (copy) | |
2318 { | |
29048
c98fc7a4dde4
patch 8.2.5046: vim_regsub() can overwrite the destination
Bram Moolenaar <Bram@vim.org>
parents:
28692
diff
changeset
|
2319 if (dst + 2 > dest + destlen) |
c98fc7a4dde4
patch 8.2.5046: vim_regsub() can overwrite the destination
Bram Moolenaar <Bram@vim.org>
parents:
28692
diff
changeset
|
2320 { |
c98fc7a4dde4
patch 8.2.5046: vim_regsub() can overwrite the destination
Bram Moolenaar <Bram@vim.org>
parents:
28692
diff
changeset
|
2321 iemsg("vim_regsub_both(): not enough space"); |
c98fc7a4dde4
patch 8.2.5046: vim_regsub() can overwrite the destination
Bram Moolenaar <Bram@vim.org>
parents:
28692
diff
changeset
|
2322 return 0; |
c98fc7a4dde4
patch 8.2.5046: vim_regsub() can overwrite the destination
Bram Moolenaar <Bram@vim.org>
parents:
28692
diff
changeset
|
2323 } |
7 | 2324 dst[0] = '\\'; |
2325 dst[1] = *s; | |
2326 } | |
2327 dst += 2; | |
2328 } | |
2329 else | |
2330 { | |
772 | 2331 if (has_mbyte) |
2332 c = mb_ptr2char(s); | |
2333 else | |
2334 c = *s; | |
2335 | |
4244 | 2336 if (func_one != (fptr_T)NULL) |
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
2337 // Turbo C complains without the typecast |
4244 | 2338 func_one = (fptr_T)(func_one(&cc, c)); |
2339 else if (func_all != (fptr_T)NULL) | |
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
2340 // Turbo C complains without the typecast |
4244 | 2341 func_all = (fptr_T)(func_all(&cc, c)); |
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
2342 else // just copy |
772 | 2343 cc = c; |
2344 | |
2345 if (has_mbyte) | |
7 | 2346 { |
1332 | 2347 int l; |
29048
c98fc7a4dde4
patch 8.2.5046: vim_regsub() can overwrite the destination
Bram Moolenaar <Bram@vim.org>
parents:
28692
diff
changeset
|
2348 int charlen; |
1332 | 2349 |
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
2350 // Copy composing characters separately, one |
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
2351 // at a time. |
1332 | 2352 if (enc_utf8) |
2353 l = utf_ptr2len(s) - 1; | |
2354 else | |
2355 l = mb_ptr2len(s) - 1; | |
772 | 2356 |
2357 s += l; | |
2358 len -= l; | |
29048
c98fc7a4dde4
patch 8.2.5046: vim_regsub() can overwrite the destination
Bram Moolenaar <Bram@vim.org>
parents:
28692
diff
changeset
|
2359 charlen = mb_char2len(cc); |
772 | 2360 if (copy) |
29048
c98fc7a4dde4
patch 8.2.5046: vim_regsub() can overwrite the destination
Bram Moolenaar <Bram@vim.org>
parents:
28692
diff
changeset
|
2361 { |
c98fc7a4dde4
patch 8.2.5046: vim_regsub() can overwrite the destination
Bram Moolenaar <Bram@vim.org>
parents:
28692
diff
changeset
|
2362 if (dst + charlen > dest + destlen) |
c98fc7a4dde4
patch 8.2.5046: vim_regsub() can overwrite the destination
Bram Moolenaar <Bram@vim.org>
parents:
28692
diff
changeset
|
2363 { |
c98fc7a4dde4
patch 8.2.5046: vim_regsub() can overwrite the destination
Bram Moolenaar <Bram@vim.org>
parents:
28692
diff
changeset
|
2364 iemsg("vim_regsub_both(): not enough space"); |
c98fc7a4dde4
patch 8.2.5046: vim_regsub() can overwrite the destination
Bram Moolenaar <Bram@vim.org>
parents:
28692
diff
changeset
|
2365 return 0; |
c98fc7a4dde4
patch 8.2.5046: vim_regsub() can overwrite the destination
Bram Moolenaar <Bram@vim.org>
parents:
28692
diff
changeset
|
2366 } |
772 | 2367 mb_char2bytes(cc, dst); |
29048
c98fc7a4dde4
patch 8.2.5046: vim_regsub() can overwrite the destination
Bram Moolenaar <Bram@vim.org>
parents:
28692
diff
changeset
|
2368 } |
c98fc7a4dde4
patch 8.2.5046: vim_regsub() can overwrite the destination
Bram Moolenaar <Bram@vim.org>
parents:
28692
diff
changeset
|
2369 dst += charlen - 1; |
7 | 2370 } |
15603
639b8318472c
patch 8.1.0809: too many #ifdefs
Bram Moolenaar <Bram@vim.org>
parents:
15555
diff
changeset
|
2371 else if (copy) |
29048
c98fc7a4dde4
patch 8.2.5046: vim_regsub() can overwrite the destination
Bram Moolenaar <Bram@vim.org>
parents:
28692
diff
changeset
|
2372 { |
c98fc7a4dde4
patch 8.2.5046: vim_regsub() can overwrite the destination
Bram Moolenaar <Bram@vim.org>
parents:
28692
diff
changeset
|
2373 if (dst + 1 > dest + destlen) |
c98fc7a4dde4
patch 8.2.5046: vim_regsub() can overwrite the destination
Bram Moolenaar <Bram@vim.org>
parents:
28692
diff
changeset
|
2374 { |
c98fc7a4dde4
patch 8.2.5046: vim_regsub() can overwrite the destination
Bram Moolenaar <Bram@vim.org>
parents:
28692
diff
changeset
|
2375 iemsg("vim_regsub_both(): not enough space"); |
c98fc7a4dde4
patch 8.2.5046: vim_regsub() can overwrite the destination
Bram Moolenaar <Bram@vim.org>
parents:
28692
diff
changeset
|
2376 return 0; |
c98fc7a4dde4
patch 8.2.5046: vim_regsub() can overwrite the destination
Bram Moolenaar <Bram@vim.org>
parents:
28692
diff
changeset
|
2377 } |
c98fc7a4dde4
patch 8.2.5046: vim_regsub() can overwrite the destination
Bram Moolenaar <Bram@vim.org>
parents:
28692
diff
changeset
|
2378 *dst = cc; |
c98fc7a4dde4
patch 8.2.5046: vim_regsub() can overwrite the destination
Bram Moolenaar <Bram@vim.org>
parents:
28692
diff
changeset
|
2379 } |
772 | 2380 dst++; |
7 | 2381 } |
772 | 2382 |
7 | 2383 ++s; |
2384 --len; | |
2385 } | |
2386 } | |
2387 } | |
2388 no = -1; | |
2389 } | |
2390 } | |
2391 if (copy) | |
2392 *dst = NUL; | |
2393 | |
2394 exit: | |
2395 return (int)((dst - dest) + 1); | |
2396 } | |
2397 | |
2398 #ifdef FEAT_EVAL | |
2399 /* | |
2011 | 2400 * Call reg_getline() with the line numbers from the submatch. If a |
2401 * substitute() was used the reg_maxline and other values have been | |
2402 * overwritten. | |
2403 */ | |
2404 static char_u * | |
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
2405 reg_getline_submatch(linenr_T lnum) |
2011 | 2406 { |
2407 char_u *s; | |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
2408 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
|
2409 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
|
2410 |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
2411 rex.reg_firstlnum = rsm.sm_firstlnum; |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
2412 rex.reg_maxline = rsm.sm_maxline; |
2011 | 2413 |
2414 s = reg_getline(lnum); | |
2415 | |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
2416 rex.reg_firstlnum = save_first; |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
2417 rex.reg_maxline = save_max; |
2011 | 2418 return s; |
2419 } | |
2420 | |
2421 /* | |
1209 | 2422 * Used for the submatch() function: get the string from the n'th submatch in |
7 | 2423 * allocated memory. |
2424 * Returns NULL when not in a ":s" command and for a non-existing submatch. | |
2425 */ | |
2426 char_u * | |
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
2427 reg_submatch(int no) |
7 | 2428 { |
2429 char_u *retval = NULL; | |
2430 char_u *s; | |
2431 int len; | |
2432 int round; | |
2433 linenr_T lnum; | |
2434 | |
840 | 2435 if (!can_f_submatch || no < 0) |
7 | 2436 return NULL; |
2437 | |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
2438 if (rsm.sm_match == NULL) |
7 | 2439 { |
2440 /* | |
2441 * First round: compute the length and allocate memory. | |
2442 * Second round: copy the text. | |
2443 */ | |
2444 for (round = 1; round <= 2; ++round) | |
2445 { | |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
2446 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
|
2447 if (lnum < 0 || rsm.sm_mmatch->endpos[no].lnum < 0) |
7 | 2448 return NULL; |
2449 | |
16040
13ab270dd68d
patch 8.1.1025: checking NULL pointer after addition
Bram Moolenaar <Bram@vim.org>
parents:
15967
diff
changeset
|
2450 s = reg_getline_submatch(lnum); |
13ab270dd68d
patch 8.1.1025: checking NULL pointer after addition
Bram Moolenaar <Bram@vim.org>
parents:
15967
diff
changeset
|
2451 if (s == NULL) // anti-crash check, cannot happen? |
7 | 2452 break; |
16040
13ab270dd68d
patch 8.1.1025: checking NULL pointer after addition
Bram Moolenaar <Bram@vim.org>
parents:
15967
diff
changeset
|
2453 s += rsm.sm_mmatch->startpos[no].col; |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
2454 if (rsm.sm_mmatch->endpos[no].lnum == lnum) |
7 | 2455 { |
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
2456 // 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
|
2457 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
|
2458 - rsm.sm_mmatch->startpos[no].col; |
7 | 2459 if (round == 2) |
418 | 2460 vim_strncpy(retval, s, len); |
7 | 2461 ++len; |
2462 } | |
2463 else | |
2464 { | |
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
2465 // Multiple lines: take start line from start col, middle |
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
2466 // lines completely and end line up to end col. |
7 | 2467 len = (int)STRLEN(s); |
2468 if (round == 2) | |
2469 { | |
2470 STRCPY(retval, s); | |
2471 retval[len] = '\n'; | |
2472 } | |
2473 ++len; | |
2474 ++lnum; | |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
2475 while (lnum < rsm.sm_mmatch->endpos[no].lnum) |
7 | 2476 { |
2011 | 2477 s = reg_getline_submatch(lnum++); |
7 | 2478 if (round == 2) |
2479 STRCPY(retval + len, s); | |
2480 len += (int)STRLEN(s); | |
2481 if (round == 2) | |
2482 retval[len] = '\n'; | |
2483 ++len; | |
2484 } | |
2485 if (round == 2) | |
2011 | 2486 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
|
2487 rsm.sm_mmatch->endpos[no].col); |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
2488 len += rsm.sm_mmatch->endpos[no].col; |
7 | 2489 if (round == 2) |
2490 retval[len] = NUL; | |
2491 ++len; | |
2492 } | |
2493 | |
840 | 2494 if (retval == NULL) |
7 | 2495 { |
16768
695d9ef00b03
patch 8.1.1386: unessesary type casts for lalloc()
Bram Moolenaar <Bram@vim.org>
parents:
16764
diff
changeset
|
2496 retval = alloc(len); |
840 | 2497 if (retval == NULL) |
7 | 2498 return NULL; |
2499 } | |
2500 } | |
2501 } | |
2502 else | |
2503 { | |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
2504 s = rsm.sm_match->startp[no]; |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
2505 if (s == NULL || rsm.sm_match->endp[no] == NULL) |
7 | 2506 retval = NULL; |
2507 else | |
20830
9064044fd4f6
patch 8.2.0967: unnecessary type casts for vim_strnsave()
Bram Moolenaar <Bram@vim.org>
parents:
20113
diff
changeset
|
2508 retval = vim_strnsave(s, rsm.sm_match->endp[no] - s); |
7 | 2509 } |
2510 | |
2511 return retval; | |
2512 } | |
5794 | 2513 |
2514 /* | |
2515 * Used for the submatch() function with the optional non-zero argument: get | |
2516 * the list of strings from the n'th submatch in allocated memory with NULs | |
2517 * represented in NLs. | |
2518 * Returns a list of allocated strings. Returns NULL when not in a ":s" | |
2519 * command, for a non-existing submatch and for any error. | |
2520 */ | |
2521 list_T * | |
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
2522 reg_submatch_list(int no) |
5794 | 2523 { |
2524 char_u *s; | |
2525 linenr_T slnum; | |
2526 linenr_T elnum; | |
2527 colnr_T scol; | |
2528 colnr_T ecol; | |
2529 int i; | |
2530 list_T *list; | |
2531 int error = FALSE; | |
2532 | |
2533 if (!can_f_submatch || no < 0) | |
2534 return NULL; | |
2535 | |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
2536 if (rsm.sm_match == NULL) |
5794 | 2537 { |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
2538 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
|
2539 elnum = rsm.sm_mmatch->endpos[no].lnum; |
5794 | 2540 if (slnum < 0 || elnum < 0) |
2541 return NULL; | |
2542 | |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
2543 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
|
2544 ecol = rsm.sm_mmatch->endpos[no].col; |
5794 | 2545 |
2546 list = list_alloc(); | |
2547 if (list == NULL) | |
2548 return NULL; | |
2549 | |
2550 s = reg_getline_submatch(slnum) + scol; | |
2551 if (slnum == elnum) | |
2552 { | |
2553 if (list_append_string(list, s, ecol - scol) == FAIL) | |
2554 error = TRUE; | |
2555 } | |
2556 else | |
2557 { | |
2558 if (list_append_string(list, s, -1) == FAIL) | |
2559 error = TRUE; | |
2560 for (i = 1; i < elnum - slnum; i++) | |
2561 { | |
2562 s = reg_getline_submatch(slnum + i); | |
2563 if (list_append_string(list, s, -1) == FAIL) | |
2564 error = TRUE; | |
2565 } | |
2566 s = reg_getline_submatch(elnum); | |
2567 if (list_append_string(list, s, ecol) == FAIL) | |
2568 error = TRUE; | |
2569 } | |
2570 } | |
2571 else | |
2572 { | |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
2573 s = rsm.sm_match->startp[no]; |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
2574 if (s == NULL || rsm.sm_match->endp[no] == NULL) |
5794 | 2575 return NULL; |
2576 list = list_alloc(); | |
2577 if (list == NULL) | |
2578 return NULL; | |
2579 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
|
2580 (int)(rsm.sm_match->endp[no] - s)) == FAIL) |
5794 | 2581 error = TRUE; |
2582 } | |
2583 | |
2584 if (error) | |
2585 { | |
8863
e1b84109506a
commit https://github.com/vim/vim/commit/107e1eef1df3b786ad3ad49fbdb9e058649303b5
Christian Brabandt <cb@256bit.org>
parents:
8825
diff
changeset
|
2586 list_free(list); |
5794 | 2587 return NULL; |
2588 } | |
22143
3ec9e302ec94
patch 8.2.1621: crash when using submatch(0, 1) in substitute()
Bram Moolenaar <Bram@vim.org>
parents:
20996
diff
changeset
|
2589 ++list->lv_refcount; |
5794 | 2590 return list; |
2591 } | |
7 | 2592 #endif |
4444 | 2593 |
19405
08f4dc2ba716
patch 8.2.0260: several lines of code are duplicated
Bram Moolenaar <Bram@vim.org>
parents:
19384
diff
changeset
|
2594 /* |
08f4dc2ba716
patch 8.2.0260: several lines of code are duplicated
Bram Moolenaar <Bram@vim.org>
parents:
19384
diff
changeset
|
2595 * Initialize the values used for matching against multiple lines |
08f4dc2ba716
patch 8.2.0260: several lines of code are duplicated
Bram Moolenaar <Bram@vim.org>
parents:
19384
diff
changeset
|
2596 */ |
08f4dc2ba716
patch 8.2.0260: several lines of code are duplicated
Bram Moolenaar <Bram@vim.org>
parents:
19384
diff
changeset
|
2597 static void |
08f4dc2ba716
patch 8.2.0260: several lines of code are duplicated
Bram Moolenaar <Bram@vim.org>
parents:
19384
diff
changeset
|
2598 init_regexec_multi( |
08f4dc2ba716
patch 8.2.0260: several lines of code are duplicated
Bram Moolenaar <Bram@vim.org>
parents:
19384
diff
changeset
|
2599 regmmatch_T *rmp, |
08f4dc2ba716
patch 8.2.0260: several lines of code are duplicated
Bram Moolenaar <Bram@vim.org>
parents:
19384
diff
changeset
|
2600 win_T *win, // window in which to search or NULL |
08f4dc2ba716
patch 8.2.0260: several lines of code are duplicated
Bram Moolenaar <Bram@vim.org>
parents:
19384
diff
changeset
|
2601 buf_T *buf, // buffer in which to search |
08f4dc2ba716
patch 8.2.0260: several lines of code are duplicated
Bram Moolenaar <Bram@vim.org>
parents:
19384
diff
changeset
|
2602 linenr_T lnum) // nr of line to start looking for match |
08f4dc2ba716
patch 8.2.0260: several lines of code are duplicated
Bram Moolenaar <Bram@vim.org>
parents:
19384
diff
changeset
|
2603 { |
08f4dc2ba716
patch 8.2.0260: several lines of code are duplicated
Bram Moolenaar <Bram@vim.org>
parents:
19384
diff
changeset
|
2604 rex.reg_match = NULL; |
08f4dc2ba716
patch 8.2.0260: several lines of code are duplicated
Bram Moolenaar <Bram@vim.org>
parents:
19384
diff
changeset
|
2605 rex.reg_mmatch = rmp; |
08f4dc2ba716
patch 8.2.0260: several lines of code are duplicated
Bram Moolenaar <Bram@vim.org>
parents:
19384
diff
changeset
|
2606 rex.reg_buf = buf; |
08f4dc2ba716
patch 8.2.0260: several lines of code are duplicated
Bram Moolenaar <Bram@vim.org>
parents:
19384
diff
changeset
|
2607 rex.reg_win = win; |
08f4dc2ba716
patch 8.2.0260: several lines of code are duplicated
Bram Moolenaar <Bram@vim.org>
parents:
19384
diff
changeset
|
2608 rex.reg_firstlnum = lnum; |
08f4dc2ba716
patch 8.2.0260: several lines of code are duplicated
Bram Moolenaar <Bram@vim.org>
parents:
19384
diff
changeset
|
2609 rex.reg_maxline = rex.reg_buf->b_ml.ml_line_count - lnum; |
08f4dc2ba716
patch 8.2.0260: several lines of code are duplicated
Bram Moolenaar <Bram@vim.org>
parents:
19384
diff
changeset
|
2610 rex.reg_line_lbr = FALSE; |
08f4dc2ba716
patch 8.2.0260: several lines of code are duplicated
Bram Moolenaar <Bram@vim.org>
parents:
19384
diff
changeset
|
2611 rex.reg_ic = rmp->rmm_ic; |
08f4dc2ba716
patch 8.2.0260: several lines of code are duplicated
Bram Moolenaar <Bram@vim.org>
parents:
19384
diff
changeset
|
2612 rex.reg_icombine = FALSE; |
08f4dc2ba716
patch 8.2.0260: several lines of code are duplicated
Bram Moolenaar <Bram@vim.org>
parents:
19384
diff
changeset
|
2613 rex.reg_maxcol = rmp->rmm_maxcol; |
08f4dc2ba716
patch 8.2.0260: several lines of code are duplicated
Bram Moolenaar <Bram@vim.org>
parents:
19384
diff
changeset
|
2614 } |
08f4dc2ba716
patch 8.2.0260: several lines of code are duplicated
Bram Moolenaar <Bram@vim.org>
parents:
19384
diff
changeset
|
2615 |
18019
68fd5296bf73
patch 8.1.2005: the regexp.c file is too big
Bram Moolenaar <Bram@vim.org>
parents:
17966
diff
changeset
|
2616 #include "regexp_bt.c" |
68fd5296bf73
patch 8.1.2005: the regexp.c file is too big
Bram Moolenaar <Bram@vim.org>
parents:
17966
diff
changeset
|
2617 |
4444 | 2618 static regengine_T bt_regengine = |
2619 { | |
2620 bt_regcomp, | |
4805
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4770
diff
changeset
|
2621 bt_regfree, |
4444 | 2622 bt_regexec_nl, |
6328 | 2623 bt_regexec_multi, |
4444 | 2624 }; |
2625 | |
2626 #include "regexp_nfa.c" | |
2627 | |
2628 static regengine_T nfa_regengine = | |
2629 { | |
2630 nfa_regcomp, | |
4805
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4770
diff
changeset
|
2631 nfa_regfree, |
4444 | 2632 nfa_regexec_nl, |
6328 | 2633 nfa_regexec_multi, |
4444 | 2634 }; |
2635 | |
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
2636 // Which regexp engine to use? Needed for vim_regcomp(). |
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
2637 // Must match with 'regexpengine'. |
4444 | 2638 static int regexp_engine = 0; |
6328 | 2639 |
4444 | 2640 #ifdef DEBUG |
2641 static char_u regname[][30] = { | |
2642 "AUTOMATIC Regexp Engine", | |
4579
7a2be4a39423
updated for version 7.3.1037
Bram Moolenaar <bram@vim.org>
parents:
4505
diff
changeset
|
2643 "BACKTRACKING Regexp Engine", |
4444 | 2644 "NFA Regexp Engine" |
2645 }; | |
2646 #endif | |
2647 | |
2648 /* | |
2649 * Compile a regular expression into internal code. | |
4805
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4770
diff
changeset
|
2650 * Returns the program in allocated memory. |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4770
diff
changeset
|
2651 * Use vim_regfree() to free the memory. |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4770
diff
changeset
|
2652 * Returns NULL for an error. |
4444 | 2653 */ |
2654 regprog_T * | |
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
2655 vim_regcomp(char_u *expr_arg, int re_flags) |
4444 | 2656 { |
2657 regprog_T *prog = NULL; | |
2658 char_u *expr = expr_arg; | |
18949
5c405689da3e
patch 8.2.0035: saving and restoring called_emsg is clumsy
Bram Moolenaar <Bram@vim.org>
parents:
18812
diff
changeset
|
2659 int called_emsg_before; |
4444 | 2660 |
2661 regexp_engine = p_re; | |
2662 | |
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
2663 // Check for prefix "\%#=", that sets the regexp engine |
4444 | 2664 if (STRNCMP(expr, "\\%#=", 4) == 0) |
2665 { | |
2666 int newengine = expr[4] - '0'; | |
2667 | |
2668 if (newengine == AUTOMATIC_ENGINE | |
2669 || newengine == BACKTRACKING_ENGINE | |
2670 || newengine == NFA_ENGINE) | |
2671 { | |
2672 regexp_engine = expr[4] - '0'; | |
2673 expr += 5; | |
2674 #ifdef DEBUG | |
15470
55ccc2d353bd
patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents:
15339
diff
changeset
|
2675 smsg("New regexp mode selected (%d): %s", |
5897 | 2676 regexp_engine, regname[newengine]); |
4444 | 2677 #endif |
2678 } | |
2679 else | |
2680 { | |
26962
85866e069c24
patch 8.2.4010: error messages are spread out
Bram Moolenaar <Bram@vim.org>
parents:
26958
diff
changeset
|
2681 emsg(_(e_percent_hash_can_only_be_followed_by_zero_one_two_automatic_engine_will_be_used)); |
4444 | 2682 regexp_engine = AUTOMATIC_ENGINE; |
2683 } | |
2684 } | |
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14169
diff
changeset
|
2685 #ifdef DEBUG |
4444 | 2686 bt_regengine.expr = expr; |
2687 nfa_regengine.expr = expr; | |
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14169
diff
changeset
|
2688 #endif |
15856
e44b7caaf373
patch 8.1.0935: old regexp engine may use invalid buffer
Bram Moolenaar <Bram@vim.org>
parents:
15854
diff
changeset
|
2689 // reg_iswordc() uses rex.reg_buf |
e44b7caaf373
patch 8.1.0935: old regexp engine may use invalid buffer
Bram Moolenaar <Bram@vim.org>
parents:
15854
diff
changeset
|
2690 rex.reg_buf = curbuf; |
4444 | 2691 |
2692 /* | |
2693 * First try the NFA engine, unless backtracking was requested. | |
2694 */ | |
18949
5c405689da3e
patch 8.2.0035: saving and restoring called_emsg is clumsy
Bram Moolenaar <Bram@vim.org>
parents:
18812
diff
changeset
|
2695 called_emsg_before = called_emsg; |
4444 | 2696 if (regexp_engine != BACKTRACKING_ENGINE) |
13244
ac42c4b11dbc
patch 8.0.1496: clearing a pointer takes two lines
Christian Brabandt <cb@256bit.org>
parents:
12752
diff
changeset
|
2697 prog = nfa_regengine.regcomp(expr, |
6533 | 2698 re_flags + (regexp_engine == AUTOMATIC_ENGINE ? RE_AUTO : 0)); |
4444 | 2699 else |
2700 prog = bt_regengine.regcomp(expr, re_flags); | |
2701 | |
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
2702 // Check for error compiling regexp with initial engine. |
6328 | 2703 if (prog == NULL) |
4444 | 2704 { |
4460 | 2705 #ifdef BT_REGEXP_DEBUG_LOG |
23471
a7cdfc8e4b6e
patch 8.2.2278: falling back to old regexp engine can some patterns
Bram Moolenaar <Bram@vim.org>
parents:
22167
diff
changeset
|
2706 if (regexp_engine == BACKTRACKING_ENGINE) // debugging log for BT engine |
4444 | 2707 { |
2708 FILE *f; | |
4460 | 2709 f = fopen(BT_REGEXP_DEBUG_LOG_NAME, "a"); |
4444 | 2710 if (f) |
2711 { | |
4762
47906f888725
updated for version 7.3.1128
Bram Moolenaar <bram@vim.org>
parents:
4760
diff
changeset
|
2712 fprintf(f, "Syntax error in \"%s\"\n", expr); |
4444 | 2713 fclose(f); |
2714 } | |
2715 else | |
15470
55ccc2d353bd
patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents:
15339
diff
changeset
|
2716 semsg("(NFA) Could not open \"%s\" to write !!!", |
13244
ac42c4b11dbc
patch 8.0.1496: clearing a pointer takes two lines
Christian Brabandt <cb@256bit.org>
parents:
12752
diff
changeset
|
2717 BT_REGEXP_DEBUG_LOG_NAME); |
4444 | 2718 } |
2719 #endif | |
2720 /* | |
6328 | 2721 * If the NFA engine failed, try the backtracking engine. |
6533 | 2722 * The NFA engine also fails for patterns that it can't handle well |
2723 * but are still valid patterns, thus a retry should work. | |
15935
ff00d207cc5e
patch 8.1.0973: pattern with syntax error gives threee error messages
Bram Moolenaar <Bram@vim.org>
parents:
15860
diff
changeset
|
2724 * But don't try if an error message was given. |
6533 | 2725 */ |
18949
5c405689da3e
patch 8.2.0035: saving and restoring called_emsg is clumsy
Bram Moolenaar <Bram@vim.org>
parents:
18812
diff
changeset
|
2726 if (regexp_engine == AUTOMATIC_ENGINE |
5c405689da3e
patch 8.2.0035: saving and restoring called_emsg is clumsy
Bram Moolenaar <Bram@vim.org>
parents:
18812
diff
changeset
|
2727 && called_emsg == called_emsg_before) |
6328 | 2728 { |
6533 | 2729 regexp_engine = BACKTRACKING_ENGINE; |
23471
a7cdfc8e4b6e
patch 8.2.2278: falling back to old regexp engine can some patterns
Bram Moolenaar <Bram@vim.org>
parents:
22167
diff
changeset
|
2730 #ifdef FEAT_EVAL |
a7cdfc8e4b6e
patch 8.2.2278: falling back to old regexp engine can some patterns
Bram Moolenaar <Bram@vim.org>
parents:
22167
diff
changeset
|
2731 report_re_switch(expr); |
a7cdfc8e4b6e
patch 8.2.2278: falling back to old regexp engine can some patterns
Bram Moolenaar <Bram@vim.org>
parents:
22167
diff
changeset
|
2732 #endif |
4762
47906f888725
updated for version 7.3.1128
Bram Moolenaar <bram@vim.org>
parents:
4760
diff
changeset
|
2733 prog = bt_regengine.regcomp(expr, re_flags); |
6328 | 2734 } |
4762
47906f888725
updated for version 7.3.1128
Bram Moolenaar <bram@vim.org>
parents:
4760
diff
changeset
|
2735 } |
4444 | 2736 |
6328 | 2737 if (prog != NULL) |
2738 { | |
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
2739 // Store the info needed to call regcomp() again when the engine turns |
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
2740 // out to be very slow when executing it. |
6328 | 2741 prog->re_engine = regexp_engine; |
2742 prog->re_flags = re_flags; | |
2743 } | |
2744 | |
4444 | 2745 return prog; |
2746 } | |
2747 | |
2748 /* | |
4805
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4770
diff
changeset
|
2749 * 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
|
2750 */ |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4770
diff
changeset
|
2751 void |
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
2752 vim_regfree(regprog_T *prog) |
4805
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4770
diff
changeset
|
2753 { |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4770
diff
changeset
|
2754 if (prog != NULL) |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4770
diff
changeset
|
2755 prog->engine->regfree(prog); |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4770
diff
changeset
|
2756 } |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4770
diff
changeset
|
2757 |
18019
68fd5296bf73
patch 8.1.2005: the regexp.c file is too big
Bram Moolenaar <Bram@vim.org>
parents:
17966
diff
changeset
|
2758 #if defined(EXITFREE) || defined(PROTO) |
68fd5296bf73
patch 8.1.2005: the regexp.c file is too big
Bram Moolenaar <Bram@vim.org>
parents:
17966
diff
changeset
|
2759 void |
68fd5296bf73
patch 8.1.2005: the regexp.c file is too big
Bram Moolenaar <Bram@vim.org>
parents:
17966
diff
changeset
|
2760 free_regexp_stuff(void) |
68fd5296bf73
patch 8.1.2005: the regexp.c file is too big
Bram Moolenaar <Bram@vim.org>
parents:
17966
diff
changeset
|
2761 { |
68fd5296bf73
patch 8.1.2005: the regexp.c file is too big
Bram Moolenaar <Bram@vim.org>
parents:
17966
diff
changeset
|
2762 ga_clear(®stack); |
68fd5296bf73
patch 8.1.2005: the regexp.c file is too big
Bram Moolenaar <Bram@vim.org>
parents:
17966
diff
changeset
|
2763 ga_clear(&backpos); |
68fd5296bf73
patch 8.1.2005: the regexp.c file is too big
Bram Moolenaar <Bram@vim.org>
parents:
17966
diff
changeset
|
2764 vim_free(reg_tofree); |
68fd5296bf73
patch 8.1.2005: the regexp.c file is too big
Bram Moolenaar <Bram@vim.org>
parents:
17966
diff
changeset
|
2765 vim_free(reg_prev_sub); |
68fd5296bf73
patch 8.1.2005: the regexp.c file is too big
Bram Moolenaar <Bram@vim.org>
parents:
17966
diff
changeset
|
2766 } |
68fd5296bf73
patch 8.1.2005: the regexp.c file is too big
Bram Moolenaar <Bram@vim.org>
parents:
17966
diff
changeset
|
2767 #endif |
68fd5296bf73
patch 8.1.2005: the regexp.c file is too big
Bram Moolenaar <Bram@vim.org>
parents:
17966
diff
changeset
|
2768 |
6328 | 2769 #ifdef FEAT_EVAL |
2770 static void | |
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
2771 report_re_switch(char_u *pat) |
6328 | 2772 { |
2773 if (p_verbose > 0) | |
2774 { | |
2775 verbose_enter(); | |
15543
dd725a8ab112
patch 8.1.0779: argument for message functions is inconsistent
Bram Moolenaar <Bram@vim.org>
parents:
15480
diff
changeset
|
2776 msg_puts(_("Switching to backtracking RE engine for pattern: ")); |
dd725a8ab112
patch 8.1.0779: argument for message functions is inconsistent
Bram Moolenaar <Bram@vim.org>
parents:
15480
diff
changeset
|
2777 msg_puts((char *)pat); |
6328 | 2778 verbose_leave(); |
2779 } | |
2780 } | |
2781 #endif | |
2782 | |
26336
a2e6da79274d
patch 8.2.3699: the +title feature adds a lot of #ifdef but little code
Bram Moolenaar <Bram@vim.org>
parents:
26161
diff
changeset
|
2783 #if defined(FEAT_X11) || defined(PROTO) |
4805
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4770
diff
changeset
|
2784 /* |
15306
7fff2d18e191
patch 8.1.0661: clipboard regexp might be used recursively
Bram Moolenaar <Bram@vim.org>
parents:
15211
diff
changeset
|
2785 * Return whether "prog" is currently being executed. |
7fff2d18e191
patch 8.1.0661: clipboard regexp might be used recursively
Bram Moolenaar <Bram@vim.org>
parents:
15211
diff
changeset
|
2786 */ |
7fff2d18e191
patch 8.1.0661: clipboard regexp might be used recursively
Bram Moolenaar <Bram@vim.org>
parents:
15211
diff
changeset
|
2787 int |
7fff2d18e191
patch 8.1.0661: clipboard regexp might be used recursively
Bram Moolenaar <Bram@vim.org>
parents:
15211
diff
changeset
|
2788 regprog_in_use(regprog_T *prog) |
7fff2d18e191
patch 8.1.0661: clipboard regexp might be used recursively
Bram Moolenaar <Bram@vim.org>
parents:
15211
diff
changeset
|
2789 { |
7fff2d18e191
patch 8.1.0661: clipboard regexp might be used recursively
Bram Moolenaar <Bram@vim.org>
parents:
15211
diff
changeset
|
2790 return prog->re_in_use; |
7fff2d18e191
patch 8.1.0661: clipboard regexp might be used recursively
Bram Moolenaar <Bram@vim.org>
parents:
15211
diff
changeset
|
2791 } |
15555
d89c5b339c2a
patch 8.1.0785: depending on the configuration some functions are unused
Bram Moolenaar <Bram@vim.org>
parents:
15543
diff
changeset
|
2792 #endif |
15306
7fff2d18e191
patch 8.1.0661: clipboard regexp might be used recursively
Bram Moolenaar <Bram@vim.org>
parents:
15211
diff
changeset
|
2793 |
7fff2d18e191
patch 8.1.0661: clipboard regexp might be used recursively
Bram Moolenaar <Bram@vim.org>
parents:
15211
diff
changeset
|
2794 /* |
4444 | 2795 * Match a regexp against a string. |
29048
c98fc7a4dde4
patch 8.2.5046: vim_regsub() can overwrite the destination
Bram Moolenaar <Bram@vim.org>
parents:
28692
diff
changeset
|
2796 * "rmp->regprog" must be a compiled regexp as returned by vim_regcomp(). |
6375 | 2797 * Note: "rmp->regprog" may be freed and changed. |
4444 | 2798 * Uses curbuf for line count and 'iskeyword'. |
6328 | 2799 * When "nl" is TRUE consider a "\n" in "line" to be a line break. |
4444 | 2800 * |
2801 * Return TRUE if there is a match, FALSE if not. | |
2802 */ | |
6328 | 2803 static int |
11529
998d2cf59caa
patch 8.0.0647: syntax highlighting can make cause a freeze
Christian Brabandt <cb@256bit.org>
parents:
11527
diff
changeset
|
2804 vim_regexec_string( |
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
2805 regmatch_T *rmp, |
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
2806 char_u *line, // string to match against |
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
2807 colnr_T col, // column to start looking for match |
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
2808 int nl) |
6328 | 2809 { |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
2810 int result; |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
2811 regexec_T rex_save; |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
2812 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
|
2813 |
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14169
diff
changeset
|
2814 // Cannot use the same prog recursively, it contains state. |
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14169
diff
changeset
|
2815 if (rmp->regprog->re_in_use) |
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14169
diff
changeset
|
2816 { |
26958
d92e0d85923f
patch 8.2.4008: error messages are spread out
Bram Moolenaar <Bram@vim.org>
parents:
26952
diff
changeset
|
2817 emsg(_(e_cannot_use_pattern_recursively)); |
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14169
diff
changeset
|
2818 return FALSE; |
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14169
diff
changeset
|
2819 } |
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14169
diff
changeset
|
2820 rmp->regprog->re_in_use = TRUE; |
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14169
diff
changeset
|
2821 |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
2822 if (rex_in_use) |
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14169
diff
changeset
|
2823 // Being called recursively, save the state. |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
2824 rex_save = rex; |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
2825 rex_in_use = TRUE; |
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14169
diff
changeset
|
2826 |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
2827 rex.reg_startp = NULL; |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
2828 rex.reg_endp = NULL; |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
2829 rex.reg_startpos = NULL; |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
2830 rex.reg_endpos = NULL; |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
2831 |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
2832 result = rmp->regprog->engine->regexec_nl(rmp, line, col, nl); |
14358
72d506d94f3f
patch 8.1.0194: possibly use of NULL pointer
Christian Brabandt <cb@256bit.org>
parents:
14354
diff
changeset
|
2833 rmp->regprog->re_in_use = FALSE; |
6328 | 2834 |
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
2835 // NFA engine aborted because it's very slow. |
6328 | 2836 if (rmp->regprog->re_engine == AUTOMATIC_ENGINE |
2837 && result == NFA_TOO_EXPENSIVE) | |
2838 { | |
2839 int save_p_re = p_re; | |
2840 int re_flags = rmp->regprog->re_flags; | |
2841 char_u *pat = vim_strsave(((nfa_regprog_T *)rmp->regprog)->pattern); | |
2842 | |
2843 p_re = BACKTRACKING_ENGINE; | |
2844 vim_regfree(rmp->regprog); | |
2845 if (pat != NULL) | |
2846 { | |
2847 #ifdef FEAT_EVAL | |
2848 report_re_switch(pat); | |
2849 #endif | |
2850 rmp->regprog = vim_regcomp(pat, re_flags); | |
2851 if (rmp->regprog != NULL) | |
14358
72d506d94f3f
patch 8.1.0194: possibly use of NULL pointer
Christian Brabandt <cb@256bit.org>
parents:
14354
diff
changeset
|
2852 { |
72d506d94f3f
patch 8.1.0194: possibly use of NULL pointer
Christian Brabandt <cb@256bit.org>
parents:
14354
diff
changeset
|
2853 rmp->regprog->re_in_use = TRUE; |
6328 | 2854 result = rmp->regprog->engine->regexec_nl(rmp, line, col, nl); |
14358
72d506d94f3f
patch 8.1.0194: possibly use of NULL pointer
Christian Brabandt <cb@256bit.org>
parents:
14354
diff
changeset
|
2855 rmp->regprog->re_in_use = FALSE; |
72d506d94f3f
patch 8.1.0194: possibly use of NULL pointer
Christian Brabandt <cb@256bit.org>
parents:
14354
diff
changeset
|
2856 } |
6328 | 2857 vim_free(pat); |
2858 } | |
2859 | |
2860 p_re = save_p_re; | |
2861 } | |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
2862 |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
2863 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
|
2864 if (rex_in_use) |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
2865 rex = rex_save; |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
2866 |
6390 | 2867 return result > 0; |
6328 | 2868 } |
2869 | |
6375 | 2870 /* |
2871 * Note: "*prog" may be freed and changed. | |
6390 | 2872 * Return TRUE if there is a match, FALSE if not. |
6375 | 2873 */ |
2874 int | |
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
2875 vim_regexec_prog( |
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
2876 regprog_T **prog, |
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
2877 int ignore_case, |
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
2878 char_u *line, |
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
2879 colnr_T col) |
6375 | 2880 { |
11529
998d2cf59caa
patch 8.0.0647: syntax highlighting can make cause a freeze
Christian Brabandt <cb@256bit.org>
parents:
11527
diff
changeset
|
2881 int r; |
998d2cf59caa
patch 8.0.0647: syntax highlighting can make cause a freeze
Christian Brabandt <cb@256bit.org>
parents:
11527
diff
changeset
|
2882 regmatch_T regmatch; |
6375 | 2883 |
2884 regmatch.regprog = *prog; | |
2885 regmatch.rm_ic = ignore_case; | |
11529
998d2cf59caa
patch 8.0.0647: syntax highlighting can make cause a freeze
Christian Brabandt <cb@256bit.org>
parents:
11527
diff
changeset
|
2886 r = vim_regexec_string(®match, line, col, FALSE); |
6375 | 2887 *prog = regmatch.regprog; |
2888 return r; | |
2889 } | |
2890 | |
2891 /* | |
2892 * Note: "rmp->regprog" may be freed and changed. | |
6390 | 2893 * Return TRUE if there is a match, FALSE if not. |
6375 | 2894 */ |
4444 | 2895 int |
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
2896 vim_regexec(regmatch_T *rmp, char_u *line, colnr_T col) |
4444 | 2897 { |
11529
998d2cf59caa
patch 8.0.0647: syntax highlighting can make cause a freeze
Christian Brabandt <cb@256bit.org>
parents:
11527
diff
changeset
|
2898 return vim_regexec_string(rmp, line, col, FALSE); |
4444 | 2899 } |
2900 | |
2901 /* | |
2902 * Like vim_regexec(), but consider a "\n" in "line" to be a line break. | |
6375 | 2903 * Note: "rmp->regprog" may be freed and changed. |
6390 | 2904 * Return TRUE if there is a match, FALSE if not. |
4444 | 2905 */ |
2906 int | |
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
2907 vim_regexec_nl(regmatch_T *rmp, char_u *line, colnr_T col) |
4444 | 2908 { |
11529
998d2cf59caa
patch 8.0.0647: syntax highlighting can make cause a freeze
Christian Brabandt <cb@256bit.org>
parents:
11527
diff
changeset
|
2909 return vim_regexec_string(rmp, line, col, TRUE); |
4444 | 2910 } |
2911 | |
2912 /* | |
2913 * Match a regexp against multiple lines. | |
14161
7cac4646c552
patch 8.1.0098: segfault when pattern with z() is very slow
Christian Brabandt <cb@256bit.org>
parents:
13286
diff
changeset
|
2914 * "rmp->regprog" must be a compiled regexp as returned by vim_regcomp(). |
7cac4646c552
patch 8.1.0098: segfault when pattern with z() is very slow
Christian Brabandt <cb@256bit.org>
parents:
13286
diff
changeset
|
2915 * Note: "rmp->regprog" may be freed and changed, even set to NULL. |
4444 | 2916 * Uses curbuf for line count and 'iskeyword'. |
2917 * | |
2918 * Return zero if there is no match. Return number of lines contained in the | |
2919 * match otherwise. | |
2920 */ | |
2921 long | |
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
2922 vim_regexec_multi( |
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7807
diff
changeset
|
2923 regmmatch_T *rmp, |
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
2924 win_T *win, // window in which to search or NULL |
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
2925 buf_T *buf, // buffer in which to search |
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
2926 linenr_T lnum, // nr of line to start looking for match |
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
2927 colnr_T col, // column to start looking for match |
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
2928 int *timed_out) // flag is set when timeout limit reached |
4444 | 2929 { |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
2930 int result; |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
2931 regexec_T rex_save; |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
2932 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
|
2933 |
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14169
diff
changeset
|
2934 // Cannot use the same prog recursively, it contains state. |
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14169
diff
changeset
|
2935 if (rmp->regprog->re_in_use) |
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14169
diff
changeset
|
2936 { |
26958
d92e0d85923f
patch 8.2.4008: error messages are spread out
Bram Moolenaar <Bram@vim.org>
parents:
26952
diff
changeset
|
2937 emsg(_(e_cannot_use_pattern_recursively)); |
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14169
diff
changeset
|
2938 return FALSE; |
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14169
diff
changeset
|
2939 } |
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14169
diff
changeset
|
2940 rmp->regprog->re_in_use = TRUE; |
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14169
diff
changeset
|
2941 |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
2942 if (rex_in_use) |
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
2943 // Being called recursively, save the state. |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
2944 rex_save = rex; |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
2945 rex_in_use = TRUE; |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
2946 |
11521
578df034735d
patch 8.0.0643: when a pattern search is slow Vim becomes unusable
Christian Brabandt <cb@256bit.org>
parents:
11482
diff
changeset
|
2947 result = rmp->regprog->engine->regexec_multi( |
29071
b90bca860b5a
patch 8.2.5057: using gettimeofday() for timeout is very inefficient
Bram Moolenaar <Bram@vim.org>
parents:
29048
diff
changeset
|
2948 rmp, win, buf, lnum, col, timed_out); |
14358
72d506d94f3f
patch 8.1.0194: possibly use of NULL pointer
Christian Brabandt <cb@256bit.org>
parents:
14354
diff
changeset
|
2949 rmp->regprog->re_in_use = FALSE; |
6328 | 2950 |
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18576
diff
changeset
|
2951 // NFA engine aborted because it's very slow. |
6328 | 2952 if (rmp->regprog->re_engine == AUTOMATIC_ENGINE |
2953 && result == NFA_TOO_EXPENSIVE) | |
2954 { | |
2955 int save_p_re = p_re; | |
2956 int re_flags = rmp->regprog->re_flags; | |
2957 char_u *pat = vim_strsave(((nfa_regprog_T *)rmp->regprog)->pattern); | |
2958 | |
2959 p_re = BACKTRACKING_ENGINE; | |
2960 if (pat != NULL) | |
2961 { | |
28323
82f34ca7b3b7
patch 8.2.4687: "vimgrep /%v/ *" may cause a crash
Bram Moolenaar <Bram@vim.org>
parents:
27752
diff
changeset
|
2962 regprog_T *prev_prog = rmp->regprog; |
82f34ca7b3b7
patch 8.2.4687: "vimgrep /%v/ *" may cause a crash
Bram Moolenaar <Bram@vim.org>
parents:
27752
diff
changeset
|
2963 |
6328 | 2964 #ifdef FEAT_EVAL |
2965 report_re_switch(pat); | |
2966 #endif | |
14169
42a9178374d1
patch 8.1.0102: cannot build without syntax highlighting
Christian Brabandt <cb@256bit.org>
parents:
14161
diff
changeset
|
2967 #ifdef FEAT_SYN_HL |
14161
7cac4646c552
patch 8.1.0098: segfault when pattern with z() is very slow
Christian Brabandt <cb@256bit.org>
parents:
13286
diff
changeset
|
2968 // checking for \z misuse was already done when compiling for NFA, |
7cac4646c552
patch 8.1.0098: segfault when pattern with z() is very slow
Christian Brabandt <cb@256bit.org>
parents:
13286
diff
changeset
|
2969 // allow all here |
7cac4646c552
patch 8.1.0098: segfault when pattern with z() is very slow
Christian Brabandt <cb@256bit.org>
parents:
13286
diff
changeset
|
2970 reg_do_extmatch = REX_ALL; |
14169
42a9178374d1
patch 8.1.0102: cannot build without syntax highlighting
Christian Brabandt <cb@256bit.org>
parents:
14161
diff
changeset
|
2971 #endif |
6328 | 2972 rmp->regprog = vim_regcomp(pat, re_flags); |
14169
42a9178374d1
patch 8.1.0102: cannot build without syntax highlighting
Christian Brabandt <cb@256bit.org>
parents:
14161
diff
changeset
|
2973 #ifdef FEAT_SYN_HL |
14161
7cac4646c552
patch 8.1.0098: segfault when pattern with z() is very slow
Christian Brabandt <cb@256bit.org>
parents:
13286
diff
changeset
|
2974 reg_do_extmatch = 0; |
14169
42a9178374d1
patch 8.1.0102: cannot build without syntax highlighting
Christian Brabandt <cb@256bit.org>
parents:
14161
diff
changeset
|
2975 #endif |
28323
82f34ca7b3b7
patch 8.2.4687: "vimgrep /%v/ *" may cause a crash
Bram Moolenaar <Bram@vim.org>
parents:
27752
diff
changeset
|
2976 if (rmp->regprog == NULL) |
82f34ca7b3b7
patch 8.2.4687: "vimgrep /%v/ *" may cause a crash
Bram Moolenaar <Bram@vim.org>
parents:
27752
diff
changeset
|
2977 { |
82f34ca7b3b7
patch 8.2.4687: "vimgrep /%v/ *" may cause a crash
Bram Moolenaar <Bram@vim.org>
parents:
27752
diff
changeset
|
2978 // Somehow compiling the pattern failed now, put back the |
82f34ca7b3b7
patch 8.2.4687: "vimgrep /%v/ *" may cause a crash
Bram Moolenaar <Bram@vim.org>
parents:
27752
diff
changeset
|
2979 // previous one to avoid "regprog" becoming NULL. |
82f34ca7b3b7
patch 8.2.4687: "vimgrep /%v/ *" may cause a crash
Bram Moolenaar <Bram@vim.org>
parents:
27752
diff
changeset
|
2980 rmp->regprog = prev_prog; |
82f34ca7b3b7
patch 8.2.4687: "vimgrep /%v/ *" may cause a crash
Bram Moolenaar <Bram@vim.org>
parents:
27752
diff
changeset
|
2981 } |
82f34ca7b3b7
patch 8.2.4687: "vimgrep /%v/ *" may cause a crash
Bram Moolenaar <Bram@vim.org>
parents:
27752
diff
changeset
|
2982 else |
82f34ca7b3b7
patch 8.2.4687: "vimgrep /%v/ *" may cause a crash
Bram Moolenaar <Bram@vim.org>
parents:
27752
diff
changeset
|
2983 { |
82f34ca7b3b7
patch 8.2.4687: "vimgrep /%v/ *" may cause a crash
Bram Moolenaar <Bram@vim.org>
parents:
27752
diff
changeset
|
2984 vim_regfree(prev_prog); |
14161
7cac4646c552
patch 8.1.0098: segfault when pattern with z() is very slow
Christian Brabandt <cb@256bit.org>
parents:
13286
diff
changeset
|
2985 |
14358
72d506d94f3f
patch 8.1.0194: possibly use of NULL pointer
Christian Brabandt <cb@256bit.org>
parents:
14354
diff
changeset
|
2986 rmp->regprog->re_in_use = TRUE; |
6328 | 2987 result = rmp->regprog->engine->regexec_multi( |
29071
b90bca860b5a
patch 8.2.5057: using gettimeofday() for timeout is very inefficient
Bram Moolenaar <Bram@vim.org>
parents:
29048
diff
changeset
|
2988 rmp, win, buf, lnum, col, timed_out); |
14358
72d506d94f3f
patch 8.1.0194: possibly use of NULL pointer
Christian Brabandt <cb@256bit.org>
parents:
14354
diff
changeset
|
2989 rmp->regprog->re_in_use = FALSE; |
72d506d94f3f
patch 8.1.0194: possibly use of NULL pointer
Christian Brabandt <cb@256bit.org>
parents:
14354
diff
changeset
|
2990 } |
6328 | 2991 vim_free(pat); |
2992 } | |
2993 p_re = save_p_re; | |
2994 } | |
2995 | |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
2996 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
|
2997 if (rex_in_use) |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
2998 rex = rex_save; |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10187
diff
changeset
|
2999 |
6390 | 3000 return result <= 0 ? 0 : result; |
4444 | 3001 } |