Mercurial > vim
annotate src/tag.c @ 2132:89300f5e013c v7.2.414
updated for version 7.2.414
Problem: CTRK-K <space> <space> does not produce 0xa0 as expected. (Tony
Mechelynck)
Solution: Remove the Unicode range 0xe000 - 0xefff from digraphs, these are
not valid characters.
author | Bram Moolenaar <bram@zimbu.org> |
---|---|
date | Fri, 07 May 2010 16:18:14 +0200 |
parents | 3112fcc89238 |
children | 0c1e413c32f1 |
rev | line source |
---|---|
7 | 1 /* vi:set ts=8 sts=4 sw=4: |
2 * | |
3 * VIM - Vi IMproved by Bram Moolenaar | |
4 * | |
5 * Do ":help uganda" in Vim to read copying and usage conditions. | |
6 * Do ":help credits" in Vim to see a list of people who contributed. | |
7 * See README.txt for an overview of the Vim source code. | |
8 */ | |
9 | |
10 /* | |
11 * Code to handle tags and the tag stack | |
12 */ | |
13 | |
1668 | 14 #if defined(MSDOS) || defined(WIN16) || defined(WIN32) || defined(_WIN64) |
714 | 15 # include "vimio.h" /* for lseek(), must be before vim.h */ |
7 | 16 #endif |
17 | |
18 #include "vim.h" | |
19 | |
20 /* | |
21 * Structure to hold pointers to various items in a tag line. | |
22 */ | |
23 typedef struct tag_pointers | |
24 { | |
25 /* filled in by parse_tag_line(): */ | |
26 char_u *tagname; /* start of tag name (skip "file:") */ | |
27 char_u *tagname_end; /* char after tag name */ | |
28 char_u *fname; /* first char of file name */ | |
29 char_u *fname_end; /* char after file name */ | |
30 char_u *command; /* first char of command */ | |
31 /* filled in by parse_match(): */ | |
32 char_u *command_end; /* first char after command */ | |
33 char_u *tag_fname; /* file name of the tags file */ | |
34 #ifdef FEAT_EMACS_TAGS | |
35 int is_etag; /* TRUE for emacs tag */ | |
36 #endif | |
37 char_u *tagkind; /* "kind:" value */ | |
38 char_u *tagkind_end; /* end of tagkind */ | |
39 } tagptrs_T; | |
40 | |
41 /* | |
42 * The matching tags are first stored in ga_match[]. In which one depends on | |
43 * the priority of the match. | |
44 * At the end, the matches from ga_match[] are concatenated, to make a list | |
45 * sorted on priority. | |
46 */ | |
47 #define MT_ST_CUR 0 /* static match in current file */ | |
48 #define MT_GL_CUR 1 /* global match in current file */ | |
49 #define MT_GL_OTH 2 /* global match in other file */ | |
50 #define MT_ST_OTH 3 /* static match in other file */ | |
51 #define MT_IC_ST_CUR 4 /* icase static match in current file */ | |
52 #define MT_IC_GL_CUR 5 /* icase global match in current file */ | |
53 #define MT_IC_GL_OTH 6 /* icase global match in other file */ | |
54 #define MT_IC_ST_OTH 7 /* icase static match in other file */ | |
55 #define MT_IC_OFF 4 /* add for icase match */ | |
56 #define MT_RE_OFF 8 /* add for regexp match */ | |
57 #define MT_MASK 7 /* mask for printing priority */ | |
58 #define MT_COUNT 16 | |
59 | |
60 static char *mt_names[MT_COUNT/2] = | |
61 {"FSC", "F C", "F ", "FS ", " SC", " C", " ", " S "}; | |
62 | |
63 #define NOTAGFILE 99 /* return value for jumpto_tag */ | |
64 static char_u *nofile_fname = NULL; /* fname for NOTAGFILE error */ | |
65 | |
66 static void taglen_advance __ARGS((int l)); | |
67 | |
68 static int jumpto_tag __ARGS((char_u *lbuf, int forceit, int keep_help)); | |
69 #ifdef FEAT_EMACS_TAGS | |
70 static int parse_tag_line __ARGS((char_u *lbuf, int is_etag, tagptrs_T *tagp)); | |
71 #else | |
72 static int parse_tag_line __ARGS((char_u *lbuf, tagptrs_T *tagp)); | |
73 #endif | |
74 static int test_for_static __ARGS((tagptrs_T *)); | |
75 static int parse_match __ARGS((char_u *lbuf, tagptrs_T *tagp)); | |
76 static char_u *tag_full_fname __ARGS((tagptrs_T *tagp)); | |
77 static char_u *expand_tag_fname __ARGS((char_u *fname, char_u *tag_fname, int expand)); | |
78 #ifdef FEAT_EMACS_TAGS | |
79 static int test_for_current __ARGS((int, char_u *, char_u *, char_u *, char_u *)); | |
80 #else | |
81 static int test_for_current __ARGS((char_u *, char_u *, char_u *, char_u *)); | |
82 #endif | |
83 static int find_extra __ARGS((char_u **pp)); | |
84 | |
85 static char_u *bottommsg = (char_u *)N_("E555: at bottom of tag stack"); | |
86 static char_u *topmsg = (char_u *)N_("E556: at top of tag stack"); | |
87 | |
88 static char_u *tagmatchname = NULL; /* name of last used tag */ | |
89 | |
90 /* | |
91 * We use ftello() here, if available. It returns off_t instead of long, | |
92 * which helps if long is 32 bit and off_t is 64 bit. | |
2087
3112fcc89238
updated for version 7.2.371
Bram Moolenaar <bram@zimbu.org>
parents:
1883
diff
changeset
|
93 * We assume that when fseeko() is available then ftello() is too. |
7 | 94 */ |
2087
3112fcc89238
updated for version 7.2.371
Bram Moolenaar <bram@zimbu.org>
parents:
1883
diff
changeset
|
95 #ifdef HAVE_FSEEKO |
7 | 96 # define ftell ftello |
97 #endif | |
98 | |
99 #if defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX) | |
100 /* | |
101 * Tag for preview window is remembered separately, to avoid messing up the | |
102 * normal tagstack. | |
103 */ | |
1883 | 104 static taggy_T ptag_entry = {NULL, {INIT_POS_T(0, 0, 0), 0}, 0, 0}; |
7 | 105 #endif |
106 | |
107 /* | |
108 * Jump to tag; handling of tag commands and tag stack | |
109 * | |
110 * *tag != NUL: ":tag {tag}", jump to new tag, add to tag stack | |
111 * | |
112 * type == DT_TAG: ":tag [tag]", jump to newer position or same tag again | |
113 * type == DT_HELP: like DT_TAG, but don't use regexp. | |
114 * type == DT_POP: ":pop" or CTRL-T, jump to old position | |
115 * type == DT_NEXT: jump to next match of same tag | |
116 * type == DT_PREV: jump to previous match of same tag | |
117 * type == DT_FIRST: jump to first match of same tag | |
118 * type == DT_LAST: jump to last match of same tag | |
119 * type == DT_SELECT: ":tselect [tag]", select tag from a list of all matches | |
120 * type == DT_JUMP: ":tjump [tag]", jump to tag or select tag from a list | |
359 | 121 * type == DT_CSCOPE: use cscope to find the tag |
649 | 122 * type == DT_LTAG: use location list for displaying tag matches |
359 | 123 * type == DT_FREE: free cached matches |
7 | 124 * |
125 * for cscope, returns TRUE if we jumped to tag or aborted, FALSE otherwise | |
126 */ | |
127 int | |
128 do_tag(tag, type, count, forceit, verbose) | |
129 char_u *tag; /* tag (pattern) to jump to */ | |
130 int type; | |
131 int count; | |
132 int forceit; /* :ta with ! */ | |
133 int verbose; /* print "tag not found" message */ | |
134 { | |
135 taggy_T *tagstack = curwin->w_tagstack; | |
136 int tagstackidx = curwin->w_tagstackidx; | |
137 int tagstacklen = curwin->w_tagstacklen; | |
138 int cur_match = 0; | |
139 int cur_fnum = curbuf->b_fnum; | |
140 int oldtagstackidx = tagstackidx; | |
141 int prevtagstackidx = tagstackidx; | |
142 int prev_num_matches; | |
143 int new_tag = FALSE; | |
144 int other_name; | |
145 int i, j, k; | |
146 int idx; | |
147 int ic; | |
148 char_u *p; | |
149 char_u *name; | |
150 int no_regexp = FALSE; | |
151 int error_cur_match = 0; | |
152 char_u *command_end; | |
153 int save_pos = FALSE; | |
154 fmark_T saved_fmark; | |
155 int taglen; | |
156 #ifdef FEAT_CSCOPE | |
157 int jumped_to_tag = FALSE; | |
158 #endif | |
159 tagptrs_T tagp, tagp2; | |
160 int new_num_matches; | |
161 char_u **new_matches; | |
162 int attr; | |
163 int use_tagstack; | |
164 int skip_msg = FALSE; | |
165 char_u *buf_ffname = curbuf->b_ffname; /* name to use for | |
166 priority computation */ | |
167 | |
168 /* remember the matches for the last used tag */ | |
169 static int num_matches = 0; | |
170 static int max_num_matches = 0; /* limit used for match search */ | |
171 static char_u **matches = NULL; | |
172 static int flags; | |
173 | |
359 | 174 #ifdef EXITFREE |
175 if (type == DT_FREE) | |
176 { | |
177 /* remove the list of matches */ | |
178 FreeWild(num_matches, matches); | |
179 # ifdef FEAT_CSCOPE | |
180 cs_free_tags(); | |
181 # endif | |
182 num_matches = 0; | |
183 return FALSE; | |
184 } | |
185 #endif | |
186 | |
7 | 187 if (type == DT_HELP) |
188 { | |
189 type = DT_TAG; | |
190 no_regexp = TRUE; | |
191 } | |
192 | |
193 prev_num_matches = num_matches; | |
194 free_string_option(nofile_fname); | |
195 nofile_fname = NULL; | |
196 | |
698 | 197 clearpos(&saved_fmark.mark); /* shutup gcc 4.0 */ |
198 saved_fmark.fnum = 0; | |
199 | |
7 | 200 /* |
201 * Don't add a tag to the tagstack if 'tagstack' has been reset. | |
202 */ | |
203 if ((!p_tgst && *tag != NUL)) | |
204 { | |
205 use_tagstack = FALSE; | |
206 new_tag = TRUE; | |
207 } | |
208 else | |
209 { | |
210 #if defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX) | |
211 if (g_do_tagpreview) | |
212 use_tagstack = FALSE; | |
213 else | |
214 #endif | |
215 use_tagstack = TRUE; | |
216 | |
217 /* new pattern, add to the tag stack */ | |
845 | 218 if (*tag != NUL |
219 && (type == DT_TAG || type == DT_SELECT || type == DT_JUMP | |
649 | 220 #ifdef FEAT_QUICKFIX |
221 || type == DT_LTAG | |
222 #endif | |
7 | 223 #ifdef FEAT_CSCOPE |
224 || type == DT_CSCOPE | |
225 #endif | |
226 )) | |
227 { | |
228 #if defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX) | |
229 if (g_do_tagpreview) | |
230 { | |
231 if (ptag_entry.tagname != NULL | |
232 && STRCMP(ptag_entry.tagname, tag) == 0) | |
233 { | |
234 /* Jumping to same tag: keep the current match, so that | |
235 * the CursorHold autocommand example works. */ | |
236 cur_match = ptag_entry.cur_match; | |
237 cur_fnum = ptag_entry.cur_fnum; | |
238 } | |
239 else | |
240 { | |
241 vim_free(ptag_entry.tagname); | |
242 if ((ptag_entry.tagname = vim_strsave(tag)) == NULL) | |
243 goto end_do_tag; | |
244 } | |
245 } | |
246 else | |
247 #endif | |
248 { | |
249 /* | |
250 * If the last used entry is not at the top, delete all tag | |
251 * stack entries above it. | |
252 */ | |
253 while (tagstackidx < tagstacklen) | |
254 vim_free(tagstack[--tagstacklen].tagname); | |
255 | |
256 /* if the tagstack is full: remove oldest entry */ | |
257 if (++tagstacklen > TAGSTACKSIZE) | |
258 { | |
259 tagstacklen = TAGSTACKSIZE; | |
260 vim_free(tagstack[0].tagname); | |
261 for (i = 1; i < tagstacklen; ++i) | |
262 tagstack[i - 1] = tagstack[i]; | |
263 --tagstackidx; | |
264 } | |
265 | |
266 /* | |
267 * put the tag name in the tag stack | |
268 */ | |
269 if ((tagstack[tagstackidx].tagname = vim_strsave(tag)) == NULL) | |
270 { | |
271 curwin->w_tagstacklen = tagstacklen - 1; | |
272 goto end_do_tag; | |
273 } | |
274 curwin->w_tagstacklen = tagstacklen; | |
275 | |
276 save_pos = TRUE; /* save the cursor position below */ | |
277 } | |
278 | |
279 new_tag = TRUE; | |
280 } | |
281 else | |
282 { | |
283 if ( | |
284 #if defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX) | |
285 g_do_tagpreview ? ptag_entry.tagname == NULL : | |
286 #endif | |
287 tagstacklen == 0) | |
288 { | |
289 /* empty stack */ | |
290 EMSG(_(e_tagstack)); | |
291 goto end_do_tag; | |
292 } | |
293 | |
294 if (type == DT_POP) /* go to older position */ | |
295 { | |
296 #ifdef FEAT_FOLDING | |
297 int old_KeyTyped = KeyTyped; | |
298 #endif | |
299 if ((tagstackidx -= count) < 0) | |
300 { | |
301 EMSG(_(bottommsg)); | |
302 if (tagstackidx + count == 0) | |
303 { | |
304 /* We did [num]^T from the bottom of the stack */ | |
305 tagstackidx = 0; | |
306 goto end_do_tag; | |
307 } | |
308 /* We weren't at the bottom of the stack, so jump all the | |
309 * way to the bottom now. | |
310 */ | |
311 tagstackidx = 0; | |
312 } | |
313 else if (tagstackidx >= tagstacklen) /* count == 0? */ | |
314 { | |
315 EMSG(_(topmsg)); | |
316 goto end_do_tag; | |
317 } | |
318 | |
319 /* Make a copy of the fmark, autocommands may invalidate the | |
320 * tagstack before it's used. */ | |
321 saved_fmark = tagstack[tagstackidx].fmark; | |
322 if (saved_fmark.fnum != curbuf->b_fnum) | |
323 { | |
324 /* | |
325 * Jump to other file. If this fails (e.g. because the | |
326 * file was changed) keep original position in tag stack. | |
327 */ | |
328 if (buflist_getfile(saved_fmark.fnum, saved_fmark.mark.lnum, | |
329 GETF_SETMARK, forceit) == FAIL) | |
330 { | |
331 tagstackidx = oldtagstackidx; /* back to old posn */ | |
332 goto end_do_tag; | |
333 } | |
334 /* An BufReadPost autocommand may jump to the '" mark, but | |
335 * we don't what that here. */ | |
336 curwin->w_cursor.lnum = saved_fmark.mark.lnum; | |
337 } | |
338 else | |
339 { | |
340 setpcmark(); | |
341 curwin->w_cursor.lnum = saved_fmark.mark.lnum; | |
342 } | |
343 curwin->w_cursor.col = saved_fmark.mark.col; | |
344 curwin->w_set_curswant = TRUE; | |
345 check_cursor(); | |
346 #ifdef FEAT_FOLDING | |
347 if ((fdo_flags & FDO_TAG) && old_KeyTyped) | |
348 foldOpenCursor(); | |
349 #endif | |
350 | |
351 /* remove the old list of matches */ | |
352 FreeWild(num_matches, matches); | |
353 #ifdef FEAT_CSCOPE | |
354 cs_free_tags(); | |
355 #endif | |
356 num_matches = 0; | |
845 | 357 tag_freematch(); |
7 | 358 goto end_do_tag; |
359 } | |
360 | |
692 | 361 if (type == DT_TAG |
362 #if defined(FEAT_QUICKFIX) | |
845 | 363 || type == DT_LTAG |
692 | 364 #endif |
845 | 365 ) |
7 | 366 { |
367 #if defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX) | |
368 if (g_do_tagpreview) | |
369 { | |
370 cur_match = ptag_entry.cur_match; | |
371 cur_fnum = ptag_entry.cur_fnum; | |
372 } | |
373 else | |
374 #endif | |
375 { | |
376 /* ":tag" (no argument): go to newer pattern */ | |
377 save_pos = TRUE; /* save the cursor position below */ | |
378 if ((tagstackidx += count - 1) >= tagstacklen) | |
379 { | |
380 /* | |
381 * Beyond the last one, just give an error message and | |
382 * go to the last one. Don't store the cursor | |
1204 | 383 * position. |
7 | 384 */ |
385 tagstackidx = tagstacklen - 1; | |
386 EMSG(_(topmsg)); | |
387 save_pos = FALSE; | |
388 } | |
389 else if (tagstackidx < 0) /* must have been count == 0 */ | |
390 { | |
391 EMSG(_(bottommsg)); | |
392 tagstackidx = 0; | |
393 goto end_do_tag; | |
394 } | |
395 cur_match = tagstack[tagstackidx].cur_match; | |
396 cur_fnum = tagstack[tagstackidx].cur_fnum; | |
397 } | |
398 new_tag = TRUE; | |
399 } | |
400 else /* go to other matching tag */ | |
401 { | |
402 /* Save index for when selection is cancelled. */ | |
403 prevtagstackidx = tagstackidx; | |
404 | |
405 #if defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX) | |
406 if (g_do_tagpreview) | |
407 { | |
408 cur_match = ptag_entry.cur_match; | |
409 cur_fnum = ptag_entry.cur_fnum; | |
410 } | |
411 else | |
412 #endif | |
413 { | |
414 if (--tagstackidx < 0) | |
415 tagstackidx = 0; | |
416 cur_match = tagstack[tagstackidx].cur_match; | |
417 cur_fnum = tagstack[tagstackidx].cur_fnum; | |
418 } | |
419 switch (type) | |
420 { | |
421 case DT_FIRST: cur_match = count - 1; break; | |
422 case DT_SELECT: | |
423 case DT_JUMP: | |
424 #ifdef FEAT_CSCOPE | |
425 case DT_CSCOPE: | |
426 #endif | |
427 case DT_LAST: cur_match = MAXCOL - 1; break; | |
428 case DT_NEXT: cur_match += count; break; | |
429 case DT_PREV: cur_match -= count; break; | |
430 } | |
431 if (cur_match >= MAXCOL) | |
432 cur_match = MAXCOL - 1; | |
433 else if (cur_match < 0) | |
434 { | |
435 EMSG(_("E425: Cannot go before first matching tag")); | |
436 skip_msg = TRUE; | |
437 cur_match = 0; | |
438 cur_fnum = curbuf->b_fnum; | |
439 } | |
440 } | |
441 } | |
442 | |
443 #if defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX) | |
444 if (g_do_tagpreview) | |
445 { | |
446 if (type != DT_SELECT && type != DT_JUMP) | |
447 { | |
448 ptag_entry.cur_match = cur_match; | |
449 ptag_entry.cur_fnum = cur_fnum; | |
450 } | |
451 } | |
452 else | |
453 #endif | |
454 { | |
455 /* | |
456 * For ":tag [arg]" or ":tselect" remember position before the jump. | |
457 */ | |
458 saved_fmark = tagstack[tagstackidx].fmark; | |
459 if (save_pos) | |
460 { | |
461 tagstack[tagstackidx].fmark.mark = curwin->w_cursor; | |
462 tagstack[tagstackidx].fmark.fnum = curbuf->b_fnum; | |
463 } | |
464 | |
465 /* Curwin will change in the call to jumpto_tag() if ":stag" was | |
466 * used or an autocommand jumps to another window; store value of | |
467 * tagstackidx now. */ | |
468 curwin->w_tagstackidx = tagstackidx; | |
469 if (type != DT_SELECT && type != DT_JUMP) | |
470 { | |
471 curwin->w_tagstack[tagstackidx].cur_match = cur_match; | |
472 curwin->w_tagstack[tagstackidx].cur_fnum = cur_fnum; | |
473 } | |
474 } | |
475 } | |
476 | |
477 /* When not using the current buffer get the name of buffer "cur_fnum". | |
478 * Makes sure that the tag order doesn't change when using a remembered | |
479 * position for "cur_match". */ | |
480 if (cur_fnum != curbuf->b_fnum) | |
481 { | |
482 buf_T *buf = buflist_findnr(cur_fnum); | |
483 | |
484 if (buf != NULL) | |
485 buf_ffname = buf->b_ffname; | |
486 } | |
487 | |
488 /* | |
489 * Repeat searching for tags, when a file has not been found. | |
490 */ | |
491 for (;;) | |
492 { | |
493 /* | |
494 * When desired match not found yet, try to find it (and others). | |
495 */ | |
496 if (use_tagstack) | |
497 name = tagstack[tagstackidx].tagname; | |
498 #if defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX) | |
499 else if (g_do_tagpreview) | |
500 name = ptag_entry.tagname; | |
501 #endif | |
502 else | |
503 name = tag; | |
504 other_name = (tagmatchname == NULL || STRCMP(tagmatchname, name) != 0); | |
505 if (new_tag | |
506 || (cur_match >= num_matches && max_num_matches != MAXCOL) | |
507 || other_name) | |
508 { | |
509 if (other_name) | |
510 { | |
511 vim_free(tagmatchname); | |
512 tagmatchname = vim_strsave(name); | |
513 } | |
514 | |
685 | 515 /* |
516 * If a count is supplied to the ":tag <name>" command, then | |
517 * jump to count'th matching tag. | |
518 */ | |
1785 | 519 if (type == DT_TAG && *tag != NUL && count > 0) |
685 | 520 cur_match = count - 1; |
521 | |
692 | 522 if (type == DT_SELECT || type == DT_JUMP |
523 #if defined(FEAT_QUICKFIX) | |
524 || type == DT_LTAG | |
525 #endif | |
526 ) | |
7 | 527 cur_match = MAXCOL - 1; |
528 max_num_matches = cur_match + 1; | |
529 | |
530 /* when the argument starts with '/', use it as a regexp */ | |
531 if (!no_regexp && *name == '/') | |
532 { | |
533 flags = TAG_REGEXP; | |
534 ++name; | |
535 } | |
536 else | |
537 flags = TAG_NOIC; | |
538 | |
539 #ifdef FEAT_CSCOPE | |
540 if (type == DT_CSCOPE) | |
541 flags = TAG_CSCOPE; | |
542 #endif | |
543 if (verbose) | |
544 flags |= TAG_VERBOSE; | |
545 if (find_tags(name, &new_num_matches, &new_matches, flags, | |
546 max_num_matches, buf_ffname) == OK | |
547 && new_num_matches < max_num_matches) | |
548 max_num_matches = MAXCOL; /* If less than max_num_matches | |
549 found: all matches found. */ | |
550 | |
551 /* If there already were some matches for the same name, move them | |
552 * to the start. Avoids that the order changes when using | |
553 * ":tnext" and jumping to another file. */ | |
554 if (!new_tag && !other_name) | |
555 { | |
556 /* Find the position of each old match in the new list. Need | |
557 * to use parse_match() to find the tag line. */ | |
558 idx = 0; | |
559 for (j = 0; j < num_matches; ++j) | |
560 { | |
561 parse_match(matches[j], &tagp); | |
562 for (i = idx; i < new_num_matches; ++i) | |
563 { | |
564 parse_match(new_matches[i], &tagp2); | |
565 if (STRCMP(tagp.tagname, tagp2.tagname) == 0) | |
566 { | |
567 p = new_matches[i]; | |
568 for (k = i; k > idx; --k) | |
569 new_matches[k] = new_matches[k - 1]; | |
570 new_matches[idx++] = p; | |
571 break; | |
572 } | |
573 } | |
574 } | |
575 } | |
576 FreeWild(num_matches, matches); | |
577 num_matches = new_num_matches; | |
578 matches = new_matches; | |
579 } | |
580 | |
581 if (num_matches <= 0) | |
582 { | |
583 if (verbose) | |
584 EMSG2(_("E426: tag not found: %s"), name); | |
585 #if defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX) | |
586 g_do_tagpreview = 0; | |
587 #endif | |
588 } | |
589 else | |
590 { | |
591 int ask_for_selection = FALSE; | |
592 | |
593 #ifdef FEAT_CSCOPE | |
594 if (type == DT_CSCOPE && num_matches > 1) | |
595 { | |
596 cs_print_tags(); | |
597 ask_for_selection = TRUE; | |
598 } | |
599 else | |
600 #endif | |
601 if (type == DT_SELECT || (type == DT_JUMP && num_matches > 1)) | |
602 { | |
603 /* | |
604 * List all the matching tags. | |
605 * Assume that the first match indicates how long the tags can | |
606 * be, and align the file names to that. | |
607 */ | |
608 parse_match(matches[0], &tagp); | |
609 taglen = (int)(tagp.tagname_end - tagp.tagname + 2); | |
610 if (taglen < 18) | |
611 taglen = 18; | |
612 if (taglen > Columns - 25) | |
613 taglen = MAXCOL; | |
614 if (msg_col == 0) | |
615 msg_didout = FALSE; /* overwrite previous message */ | |
616 msg_start(); | |
617 MSG_PUTS_ATTR(_(" # pri kind tag"), hl_attr(HLF_T)); | |
618 msg_clr_eos(); | |
619 taglen_advance(taglen); | |
620 MSG_PUTS_ATTR(_("file\n"), hl_attr(HLF_T)); | |
621 | |
1826 | 622 for (i = 0; i < num_matches && !got_int; ++i) |
7 | 623 { |
624 parse_match(matches[i], &tagp); | |
625 if (!new_tag && ( | |
626 #if defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX) | |
627 (g_do_tagpreview | |
628 && i == ptag_entry.cur_match) || | |
629 #endif | |
630 (use_tagstack | |
631 && i == tagstack[tagstackidx].cur_match))) | |
632 *IObuff = '>'; | |
633 else | |
634 *IObuff = ' '; | |
273 | 635 vim_snprintf((char *)IObuff + 1, IOSIZE - 1, |
636 "%2d %s ", i + 1, | |
7 | 637 mt_names[matches[i][0] & MT_MASK]); |
638 msg_puts(IObuff); | |
639 if (tagp.tagkind != NULL) | |
640 msg_outtrans_len(tagp.tagkind, | |
641 (int)(tagp.tagkind_end - tagp.tagkind)); | |
642 msg_advance(13); | |
643 msg_outtrans_len_attr(tagp.tagname, | |
644 (int)(tagp.tagname_end - tagp.tagname), | |
645 hl_attr(HLF_T)); | |
646 msg_putchar(' '); | |
647 taglen_advance(taglen); | |
648 | |
649 /* Find out the actual file name. If it is long, truncate | |
650 * it and put "..." in the middle */ | |
651 p = tag_full_fname(&tagp); | |
652 if (p != NULL) | |
653 { | |
654 msg_puts_long_attr(p, hl_attr(HLF_D)); | |
655 vim_free(p); | |
656 } | |
657 if (msg_col > 0) | |
658 msg_putchar('\n'); | |
1826 | 659 if (got_int) |
660 break; | |
7 | 661 msg_advance(15); |
662 | |
663 /* print any extra fields */ | |
664 command_end = tagp.command_end; | |
665 if (command_end != NULL) | |
666 { | |
667 p = command_end + 3; | |
668 while (*p && *p != '\r' && *p != '\n') | |
669 { | |
670 while (*p == TAB) | |
671 ++p; | |
672 | |
673 /* skip "file:" without a value (static tag) */ | |
674 if (STRNCMP(p, "file:", 5) == 0 | |
675 && vim_isspace(p[5])) | |
676 { | |
677 p += 5; | |
678 continue; | |
679 } | |
680 /* skip "kind:<kind>" and "<kind>" */ | |
681 if (p == tagp.tagkind | |
682 || (p + 5 == tagp.tagkind | |
683 && STRNCMP(p, "kind:", 5) == 0)) | |
684 { | |
685 p = tagp.tagkind_end; | |
686 continue; | |
687 } | |
688 /* print all other extra fields */ | |
689 attr = hl_attr(HLF_CM); | |
690 while (*p && *p != '\r' && *p != '\n') | |
691 { | |
692 if (msg_col + ptr2cells(p) >= Columns) | |
693 { | |
694 msg_putchar('\n'); | |
1826 | 695 if (got_int) |
696 break; | |
7 | 697 msg_advance(15); |
698 } | |
699 p = msg_outtrans_one(p, attr); | |
700 if (*p == TAB) | |
701 { | |
702 msg_puts_attr((char_u *)" ", attr); | |
703 break; | |
704 } | |
705 if (*p == ':') | |
706 attr = 0; | |
707 } | |
708 } | |
709 if (msg_col > 15) | |
710 { | |
711 msg_putchar('\n'); | |
1826 | 712 if (got_int) |
713 break; | |
7 | 714 msg_advance(15); |
715 } | |
716 } | |
717 else | |
718 { | |
719 for (p = tagp.command; | |
720 *p && *p != '\r' && *p != '\n'; ++p) | |
721 ; | |
722 command_end = p; | |
723 } | |
724 | |
725 /* | |
726 * Put the info (in several lines) at column 15. | |
727 * Don't display "/^" and "?^". | |
728 */ | |
729 p = tagp.command; | |
730 if (*p == '/' || *p == '?') | |
731 { | |
732 ++p; | |
733 if (*p == '^') | |
734 ++p; | |
735 } | |
736 /* Remove leading whitespace from pattern */ | |
737 while (p != command_end && vim_isspace(*p)) | |
738 ++p; | |
739 | |
740 while (p != command_end) | |
741 { | |
742 if (msg_col + (*p == TAB ? 1 : ptr2cells(p)) > Columns) | |
743 msg_putchar('\n'); | |
1826 | 744 if (got_int) |
745 break; | |
7 | 746 msg_advance(15); |
747 | |
748 /* skip backslash used for escaping command char */ | |
749 if (*p == '\\' && *(p + 1) == *tagp.command) | |
750 ++p; | |
751 | |
752 if (*p == TAB) | |
753 { | |
754 msg_putchar(' '); | |
755 ++p; | |
756 } | |
757 else | |
758 p = msg_outtrans_one(p, 0); | |
759 | |
760 /* don't display the "$/;\"" and "$?;\"" */ | |
761 if (p == command_end - 2 && *p == '$' | |
762 && *(p + 1) == *tagp.command) | |
763 break; | |
764 /* don't display matching '/' or '?' */ | |
765 if (p == command_end - 1 && *p == *tagp.command | |
766 && (*p == '/' || *p == '?')) | |
767 break; | |
768 } | |
769 if (msg_col) | |
770 msg_putchar('\n'); | |
771 ui_breakcheck(); | |
772 } | |
1826 | 773 if (got_int) |
774 got_int = FALSE; /* only stop the listing */ | |
7 | 775 ask_for_selection = TRUE; |
776 } | |
649 | 777 #if defined(FEAT_QUICKFIX) && defined(FEAT_EVAL) |
692 | 778 else if (type == DT_LTAG) |
649 | 779 { |
780 list_T *list; | |
781 char_u tag_name[128 + 1]; | |
782 char_u fname[MAXPATHL + 1]; | |
783 char_u cmd[CMDBUFFSIZE + 1]; | |
784 | |
785 /* | |
786 * Add the matching tags to the location list for the current | |
787 * window. | |
788 */ | |
789 | |
790 list = list_alloc(); | |
791 if (list == NULL) | |
792 goto end_do_tag; | |
793 | |
794 for (i = 0; i < num_matches; ++i) | |
795 { | |
796 int len, cmd_len; | |
797 long lnum; | |
798 dict_T *dict; | |
799 | |
800 parse_match(matches[i], &tagp); | |
801 | |
802 /* Save the tag name */ | |
835 | 803 len = (int)(tagp.tagname_end - tagp.tagname); |
649 | 804 if (len > 128) |
805 len = 128; | |
806 vim_strncpy(tag_name, tagp.tagname, len); | |
807 tag_name[len] = NUL; | |
808 | |
809 /* Save the tag file name */ | |
810 p = tag_full_fname(&tagp); | |
811 if (p == NULL) | |
812 continue; | |
813 STRCPY(fname, p); | |
814 vim_free(p); | |
815 | |
816 /* | |
817 * Get the line number or the search pattern used to locate | |
818 * the tag. | |
819 */ | |
820 lnum = 0; | |
821 if (isdigit(*tagp.command)) | |
822 /* Line number is used to locate the tag */ | |
823 lnum = atol((char *)tagp.command); | |
824 else | |
825 { | |
826 char_u *cmd_start, *cmd_end; | |
827 | |
828 /* Search pattern is used to locate the tag */ | |
829 | |
830 /* Locate the end of the command */ | |
831 cmd_start = tagp.command; | |
832 cmd_end = tagp.command_end; | |
833 if (cmd_end == NULL) | |
834 { | |
835 for (p = tagp.command; | |
836 *p && *p != '\r' && *p != '\n'; ++p) | |
837 ; | |
838 cmd_end = p; | |
839 } | |
692 | 840 |
649 | 841 /* |
842 * Now, cmd_end points to the character after the | |
843 * command. Adjust it to point to the last | |
844 * character of the command. | |
845 */ | |
846 cmd_end--; | |
847 | |
848 /* | |
849 * Skip the '/' and '?' characters at the | |
850 * beginning and end of the search pattern. | |
851 */ | |
852 if (*cmd_start == '/' || *cmd_start == '?') | |
853 cmd_start++; | |
854 | |
855 if (*cmd_end == '/' || *cmd_end == '?') | |
856 cmd_end--; | |
857 | |
858 len = 0; | |
859 cmd[0] = NUL; | |
860 | |
861 /* | |
862 * If "^" is present in the tag search pattern, then | |
863 * copy it first. | |
864 */ | |
865 if (*cmd_start == '^') | |
866 { | |
867 STRCPY(cmd, "^"); | |
868 cmd_start++; | |
869 len++; | |
870 } | |
871 | |
872 /* | |
873 * Precede the tag pattern with \V to make it very | |
874 * nomagic. | |
875 */ | |
876 STRCAT(cmd, "\\V"); | |
877 len += 2; | |
878 | |
835 | 879 cmd_len = (int)(cmd_end - cmd_start + 1); |
649 | 880 if (cmd_len > (CMDBUFFSIZE - 5)) |
881 cmd_len = CMDBUFFSIZE - 5; | |
882 STRNCAT(cmd, cmd_start, cmd_len); | |
883 len += cmd_len; | |
884 | |
885 if (cmd[len - 1] == '$') | |
886 { | |
692 | 887 /* |
649 | 888 * Replace '$' at the end of the search pattern |
889 * with '\$' | |
890 */ | |
891 cmd[len - 1] = '\\'; | |
892 cmd[len] = '$'; | |
893 len++; | |
894 } | |
895 | |
896 cmd[len] = NUL; | |
897 } | |
898 | |
899 if ((dict = dict_alloc()) == NULL) | |
900 continue; | |
901 if (list_append_dict(list, dict) == FAIL) | |
902 { | |
903 vim_free(dict); | |
904 continue; | |
905 } | |
906 | |
907 dict_add_nr_str(dict, "text", 0L, tag_name); | |
908 dict_add_nr_str(dict, "filename", 0L, fname); | |
909 dict_add_nr_str(dict, "lnum", lnum, NULL); | |
910 if (lnum == 0) | |
911 dict_add_nr_str(dict, "pattern", 0L, cmd); | |
912 } | |
913 | |
914 set_errorlist(curwin, list, ' '); | |
915 | |
1009 | 916 list_free(list, TRUE); |
692 | 917 |
918 cur_match = 0; /* Jump to the first tag */ | |
649 | 919 } |
920 #endif | |
7 | 921 |
922 if (ask_for_selection == TRUE) | |
923 { | |
924 /* | |
925 * Ask to select a tag from the list. | |
926 */ | |
373 | 927 i = prompt_for_number(NULL); |
7 | 928 if (i <= 0 || i > num_matches || got_int) |
929 { | |
930 /* no valid choice: don't change anything */ | |
931 if (use_tagstack) | |
932 { | |
933 tagstack[tagstackidx].fmark = saved_fmark; | |
934 tagstackidx = prevtagstackidx; | |
935 } | |
936 #ifdef FEAT_CSCOPE | |
937 cs_free_tags(); | |
938 jumped_to_tag = TRUE; | |
939 #endif | |
940 break; | |
941 } | |
942 cur_match = i - 1; | |
943 } | |
944 | |
945 if (cur_match >= num_matches) | |
946 { | |
947 /* Avoid giving this error when a file wasn't found and we're | |
948 * looking for a match in another file, which wasn't found. | |
949 * There will be an EMSG("file doesn't exist") below then. */ | |
950 if ((type == DT_NEXT || type == DT_FIRST) | |
951 && nofile_fname == NULL) | |
952 { | |
953 if (num_matches == 1) | |
954 EMSG(_("E427: There is only one matching tag")); | |
955 else | |
956 EMSG(_("E428: Cannot go beyond last matching tag")); | |
957 skip_msg = TRUE; | |
958 } | |
959 cur_match = num_matches - 1; | |
960 } | |
961 if (use_tagstack) | |
962 { | |
963 tagstack[tagstackidx].cur_match = cur_match; | |
964 tagstack[tagstackidx].cur_fnum = cur_fnum; | |
965 ++tagstackidx; | |
966 } | |
967 #if defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX) | |
968 else if (g_do_tagpreview) | |
969 { | |
970 ptag_entry.cur_match = cur_match; | |
971 ptag_entry.cur_fnum = cur_fnum; | |
972 } | |
973 #endif | |
974 | |
975 /* | |
976 * Only when going to try the next match, report that the previous | |
977 * file didn't exist. Otherwise an EMSG() is given below. | |
978 */ | |
979 if (nofile_fname != NULL && error_cur_match != cur_match) | |
273 | 980 smsg((char_u *)_("File \"%s\" does not exist"), nofile_fname); |
7 | 981 |
982 | |
983 ic = (matches[cur_match][0] & MT_IC_OFF); | |
984 if (type != DT_SELECT && type != DT_JUMP | |
985 #ifdef FEAT_CSCOPE | |
986 && type != DT_CSCOPE | |
987 #endif | |
988 && (num_matches > 1 || ic) | |
989 && !skip_msg) | |
990 { | |
991 /* Give an indication of the number of matching tags */ | |
992 sprintf((char *)IObuff, _("tag %d of %d%s"), | |
993 cur_match + 1, | |
994 num_matches, | |
995 max_num_matches != MAXCOL ? _(" or more") : ""); | |
996 if (ic) | |
997 STRCAT(IObuff, _(" Using tag with different case!")); | |
998 if ((num_matches > prev_num_matches || new_tag) | |
999 && num_matches > 1) | |
1000 { | |
1001 if (ic) | |
1002 msg_attr(IObuff, hl_attr(HLF_W)); | |
1003 else | |
1004 msg(IObuff); | |
1005 msg_scroll = TRUE; /* don't overwrite this message */ | |
1006 } | |
1007 else | |
1008 give_warning(IObuff, ic); | |
1009 if (ic && !msg_scrolled && msg_silent == 0) | |
1010 { | |
1011 out_flush(); | |
1012 ui_delay(1000L, TRUE); | |
1013 } | |
1014 } | |
1015 | |
589 | 1016 #ifdef FEAT_AUTOCMD |
1017 /* Let the SwapExists event know what tag we are jumping to. */ | |
1018 vim_snprintf((char *)IObuff, IOSIZE, ":ta %s\r", name); | |
1019 set_vim_var_string(VV_SWAPCOMMAND, IObuff, -1); | |
1020 #endif | |
1021 | |
7 | 1022 /* |
1023 * Jump to the desired match. | |
1024 */ | |
589 | 1025 i = jumpto_tag(matches[cur_match], forceit, type != DT_CSCOPE); |
1026 | |
1027 #ifdef FEAT_AUTOCMD | |
1028 set_vim_var_string(VV_SWAPCOMMAND, NULL, -1); | |
1029 #endif | |
1030 | |
1031 if (i == NOTAGFILE) | |
7 | 1032 { |
1033 /* File not found: try again with another matching tag */ | |
1034 if ((type == DT_PREV && cur_match > 0) | |
1035 || ((type == DT_TAG || type == DT_NEXT | |
1036 || type == DT_FIRST) | |
1037 && (max_num_matches != MAXCOL | |
1038 || cur_match < num_matches - 1))) | |
1039 { | |
1040 error_cur_match = cur_match; | |
1041 if (use_tagstack) | |
1042 --tagstackidx; | |
1043 if (type == DT_PREV) | |
1044 --cur_match; | |
1045 else | |
1046 { | |
1047 type = DT_NEXT; | |
1048 ++cur_match; | |
1049 } | |
1050 continue; | |
1051 } | |
1052 EMSG2(_("E429: File \"%s\" does not exist"), nofile_fname); | |
1053 } | |
1054 else | |
1055 { | |
1056 /* We may have jumped to another window, check that | |
1057 * tagstackidx is still valid. */ | |
1058 if (use_tagstack && tagstackidx > curwin->w_tagstacklen) | |
1059 tagstackidx = curwin->w_tagstackidx; | |
1060 #ifdef FEAT_CSCOPE | |
1061 jumped_to_tag = TRUE; | |
1062 #endif | |
1063 } | |
1064 } | |
1065 break; | |
1066 } | |
1067 | |
1068 end_do_tag: | |
1069 /* Only store the new index when using the tagstack and it's valid. */ | |
1070 if (use_tagstack && tagstackidx <= curwin->w_tagstacklen) | |
1071 curwin->w_tagstackidx = tagstackidx; | |
1072 #ifdef FEAT_WINDOWS | |
1073 postponed_split = 0; /* don't split next time */ | |
1074 #endif | |
1075 | |
1076 #ifdef FEAT_CSCOPE | |
1077 return jumped_to_tag; | |
1078 #else | |
1079 return FALSE; | |
1080 #endif | |
1081 } | |
1082 | |
1083 /* | |
1084 * Free cached tags. | |
1085 */ | |
1086 void | |
1087 tag_freematch() | |
1088 { | |
1089 vim_free(tagmatchname); | |
1090 tagmatchname = NULL; | |
1091 } | |
1092 | |
1093 static void | |
1094 taglen_advance(l) | |
1095 int l; | |
1096 { | |
1097 if (l == MAXCOL) | |
1098 { | |
1099 msg_putchar('\n'); | |
1100 msg_advance(24); | |
1101 } | |
1102 else | |
1103 msg_advance(13 + l); | |
1104 } | |
1105 | |
1106 /* | |
1107 * Print the tag stack | |
1108 */ | |
1109 void | |
1110 do_tags(eap) | |
1877 | 1111 exarg_T *eap UNUSED; |
7 | 1112 { |
1113 int i; | |
1114 char_u *name; | |
1115 taggy_T *tagstack = curwin->w_tagstack; | |
1116 int tagstackidx = curwin->w_tagstackidx; | |
1117 int tagstacklen = curwin->w_tagstacklen; | |
1118 | |
1119 /* Highlight title */ | |
1120 MSG_PUTS_TITLE(_("\n # TO tag FROM line in file/text")); | |
1121 for (i = 0; i < tagstacklen; ++i) | |
1122 { | |
1123 if (tagstack[i].tagname != NULL) | |
1124 { | |
1125 name = fm_getname(&(tagstack[i].fmark), 30); | |
1126 if (name == NULL) /* file name not available */ | |
1127 continue; | |
1128 | |
1129 msg_putchar('\n'); | |
1130 sprintf((char *)IObuff, "%c%2d %2d %-15s %5ld ", | |
1131 i == tagstackidx ? '>' : ' ', | |
1132 i + 1, | |
1133 tagstack[i].cur_match + 1, | |
1134 tagstack[i].tagname, | |
1135 tagstack[i].fmark.mark.lnum); | |
1136 msg_outtrans(IObuff); | |
1137 msg_outtrans_attr(name, tagstack[i].fmark.fnum == curbuf->b_fnum | |
1138 ? hl_attr(HLF_D) : 0); | |
1139 vim_free(name); | |
1140 } | |
1141 out_flush(); /* show one line at a time */ | |
1142 } | |
1143 if (tagstackidx == tagstacklen) /* idx at top of stack */ | |
1144 MSG_PUTS("\n>"); | |
1145 } | |
1146 | |
1147 /* When not using a CR for line separator, use vim_fgets() to read tag lines. | |
1148 * For the Mac use tag_fgets(). It can handle any line separator, but is much | |
1149 * slower than vim_fgets(). | |
1150 */ | |
1151 #ifndef USE_CR | |
1152 # define tag_fgets vim_fgets | |
1153 #endif | |
1154 | |
1155 #ifdef FEAT_TAG_BINS | |
1156 static int tag_strnicmp __ARGS((char_u *s1, char_u *s2, size_t len)); | |
1157 | |
1158 /* | |
1159 * Compare two strings, for length "len", ignoring case the ASCII way. | |
1160 * return 0 for match, < 0 for smaller, > 0 for bigger | |
1161 * Make sure case is folded to uppercase in comparison (like for 'sort -f') | |
1162 */ | |
1163 static int | |
1164 tag_strnicmp(s1, s2, len) | |
1165 char_u *s1; | |
1166 char_u *s2; | |
1167 size_t len; | |
1168 { | |
1169 int i; | |
1170 | |
1171 while (len > 0) | |
1172 { | |
1173 i = (int)TOUPPER_ASC(*s1) - (int)TOUPPER_ASC(*s2); | |
1174 if (i != 0) | |
1175 return i; /* this character different */ | |
1176 if (*s1 == NUL) | |
1177 break; /* strings match until NUL */ | |
1178 ++s1; | |
1179 ++s2; | |
1180 --len; | |
1181 } | |
1182 return 0; /* strings match */ | |
1183 } | |
1184 #endif | |
1185 | |
1186 /* | |
1187 * Structure to hold info about the tag pattern being used. | |
1188 */ | |
1189 typedef struct | |
1190 { | |
1191 char_u *pat; /* the pattern */ | |
1192 int len; /* length of pat[] */ | |
1193 char_u *head; /* start of pattern head */ | |
1194 int headlen; /* length of head[] */ | |
1195 regmatch_T regmatch; /* regexp program, may be NULL */ | |
1196 } pat_T; | |
1197 | |
1198 static void prepare_pats __ARGS((pat_T *pats, int has_re)); | |
1199 | |
1200 /* | |
1201 * Extract info from the tag search pattern "pats->pat". | |
1202 */ | |
1203 static void | |
1204 prepare_pats(pats, has_re) | |
1205 pat_T *pats; | |
1206 int has_re; | |
1207 { | |
1208 pats->head = pats->pat; | |
1209 pats->headlen = pats->len; | |
1210 if (has_re) | |
1211 { | |
1212 /* When the pattern starts with '^' or "\\<", binary searching can be | |
1213 * used (much faster). */ | |
1214 if (pats->pat[0] == '^') | |
1215 pats->head = pats->pat + 1; | |
1216 else if (pats->pat[0] == '\\' && pats->pat[1] == '<') | |
1217 pats->head = pats->pat + 2; | |
1218 if (pats->head == pats->pat) | |
1219 pats->headlen = 0; | |
1220 else | |
1221 for (pats->headlen = 0; pats->head[pats->headlen] != NUL; | |
1222 ++pats->headlen) | |
1223 if (vim_strchr((char_u *)(p_magic ? ".[~*\\$" : "\\$"), | |
1224 pats->head[pats->headlen]) != NULL) | |
1225 break; | |
1226 if (p_tl != 0 && pats->headlen > p_tl) /* adjust for 'taglength' */ | |
1227 pats->headlen = p_tl; | |
1228 } | |
1229 | |
1230 if (has_re) | |
1231 pats->regmatch.regprog = vim_regcomp(pats->pat, p_magic ? RE_MAGIC : 0); | |
1232 else | |
1233 pats->regmatch.regprog = NULL; | |
1234 } | |
1235 | |
1236 /* | |
1237 * find_tags() - search for tags in tags files | |
1238 * | |
1239 * Return FAIL if search completely failed (*num_matches will be 0, *matchesp | |
1240 * will be NULL), OK otherwise. | |
1241 * | |
1242 * There is a priority in which type of tag is recognized. | |
1243 * | |
1244 * 6. A static or global tag with a full matching tag for the current file. | |
1245 * 5. A global tag with a full matching tag for another file. | |
1246 * 4. A static tag with a full matching tag for another file. | |
1247 * 3. A static or global tag with an ignore-case matching tag for the | |
1248 * current file. | |
1249 * 2. A global tag with an ignore-case matching tag for another file. | |
1250 * 1. A static tag with an ignore-case matching tag for another file. | |
1251 * | |
1252 * Tags in an emacs-style tags file are always global. | |
1253 * | |
1254 * flags: | |
1255 * TAG_HELP only search for help tags | |
1256 * TAG_NAMES only return name of tag | |
1257 * TAG_REGEXP use "pat" as a regexp | |
1258 * TAG_NOIC don't always ignore case | |
1259 * TAG_KEEP_LANG keep language | |
1260 */ | |
1261 int | |
1262 find_tags(pat, num_matches, matchesp, flags, mincount, buf_ffname) | |
1263 char_u *pat; /* pattern to search for */ | |
1264 int *num_matches; /* return: number of matches found */ | |
1265 char_u ***matchesp; /* return: array of matches found */ | |
1266 int flags; | |
1267 int mincount; /* MAXCOL: find all matches | |
1268 other: minimal number of matches */ | |
1269 char_u *buf_ffname; /* name of buffer for priority */ | |
1270 { | |
1271 FILE *fp; | |
1272 char_u *lbuf; /* line buffer */ | |
1273 char_u *tag_fname; /* name of tag file */ | |
692 | 1274 tagname_T tn; /* info for get_tagfname() */ |
7 | 1275 int first_file; /* trying first tag file */ |
1276 tagptrs_T tagp; | |
1277 int did_open = FALSE; /* did open a tag file */ | |
1278 int stop_searching = FALSE; /* stop when match found or error */ | |
1279 int retval = FAIL; /* return value */ | |
1280 int is_static; /* current tag line is static */ | |
1281 int is_current; /* file name matches */ | |
1282 int eof = FALSE; /* found end-of-file */ | |
1283 char_u *p; | |
1284 char_u *s; | |
1285 int i; | |
1286 #ifdef FEAT_TAG_BINS | |
1287 struct tag_search_info /* Binary search file offsets */ | |
1288 { | |
1289 off_t low_offset; /* offset for first char of first line that | |
1290 could match */ | |
1291 off_t high_offset; /* offset of char after last line that could | |
1292 match */ | |
1293 off_t curr_offset; /* Current file offset in search range */ | |
1294 off_t curr_offset_used; /* curr_offset used when skipping back */ | |
1295 off_t match_offset; /* Where the binary search found a tag */ | |
1296 int low_char; /* first char at low_offset */ | |
1297 int high_char; /* first char at high_offset */ | |
1298 } search_info; | |
1299 off_t filesize; | |
1300 int tagcmp; | |
1301 off_t offset; | |
1302 int round; | |
1303 #endif | |
1304 enum | |
1305 { | |
1306 TS_START, /* at start of file */ | |
1307 TS_LINEAR /* linear searching forward, till EOF */ | |
1308 #ifdef FEAT_TAG_BINS | |
1309 , TS_BINARY, /* binary searching */ | |
1310 TS_SKIP_BACK, /* skipping backwards */ | |
1311 TS_STEP_FORWARD /* stepping forwards */ | |
1312 #endif | |
1313 } state; /* Current search state */ | |
1314 | |
1315 int cmplen; | |
1316 int match; /* matches */ | |
1317 int match_no_ic = 0;/* matches with rm_ic == FALSE */ | |
1318 int match_re; /* match with regexp */ | |
1319 int matchoff = 0; | |
1320 | |
1321 #ifdef FEAT_EMACS_TAGS | |
1322 /* | |
1323 * Stack for included emacs-tags file. | |
1324 * It has a fixed size, to truncate cyclic includes. jw | |
1325 */ | |
1326 # define INCSTACK_SIZE 42 | |
1327 struct | |
1328 { | |
1329 FILE *fp; | |
1330 char_u *etag_fname; | |
1331 } incstack[INCSTACK_SIZE]; | |
1332 | |
1333 int incstack_idx = 0; /* index in incstack */ | |
1204 | 1334 char_u *ebuf; /* additional buffer for etag fname */ |
7 | 1335 int is_etag; /* current file is emaces style */ |
1336 #endif | |
1337 | |
1338 struct match_found | |
1339 { | |
1340 int len; /* nr of chars of match[] to be compared */ | |
1341 char_u match[1]; /* actually longer */ | |
1342 } *mfp, *mfp2; | |
1343 garray_T ga_match[MT_COUNT]; | |
1344 int match_count = 0; /* number of matches found */ | |
1345 char_u **matches; | |
1346 int mtt; | |
1347 int len; | |
1348 int help_save; | |
1349 #ifdef FEAT_MULTI_LANG | |
1350 int help_pri = 0; | |
1351 char_u *help_lang_find = NULL; /* lang to be found */ | |
1352 char_u help_lang[3]; /* lang of current tags file */ | |
1353 char_u *saved_pat = NULL; /* copy of pat[] */ | |
1354 #endif | |
1355 | |
1356 /* Use two sets of variables for the pattern: "orgpat" holds the values | |
1357 * for the original pattern and "convpat" converted from 'encoding' to | |
1358 * encoding of the tags file. "pats" point to either one of these. */ | |
1359 pat_T *pats; | |
1360 pat_T orgpat; /* holds unconverted pattern info */ | |
1361 #ifdef FEAT_MBYTE | |
1362 pat_T convpat; /* holds converted pattern info */ | |
1363 vimconv_T vimconv; | |
1364 #endif | |
1365 | |
1366 #ifdef FEAT_TAG_BINS | |
1367 int findall = (mincount == MAXCOL || mincount == TAG_MANY); | |
1368 /* find all matching tags */ | |
1369 int sort_error = FALSE; /* tags file not sorted */ | |
1370 int linear; /* do a linear search */ | |
1371 int sortic = FALSE; /* tag file sorted in nocase */ | |
1372 #endif | |
1373 int line_error = FALSE; /* syntax error */ | |
1374 int has_re = (flags & TAG_REGEXP); /* regexp used */ | |
1375 int help_only = (flags & TAG_HELP); | |
1376 int name_only = (flags & TAG_NAMES); | |
1377 int noic = (flags & TAG_NOIC); | |
1378 int get_it_again = FALSE; | |
1379 #ifdef FEAT_CSCOPE | |
1380 int use_cscope = (flags & TAG_CSCOPE); | |
1381 #endif | |
1382 int verbose = (flags & TAG_VERBOSE); | |
1383 | |
1384 help_save = curbuf->b_help; | |
1385 orgpat.pat = pat; | |
1386 pats = &orgpat; | |
1387 #ifdef FEAT_MBYTE | |
1388 vimconv.vc_type = CONV_NONE; | |
1389 #endif | |
1390 | |
1391 /* | |
1392 * Allocate memory for the buffers that are used | |
1393 */ | |
1394 lbuf = alloc(LSIZE); | |
1395 tag_fname = alloc(MAXPATHL + 1); | |
1396 #ifdef FEAT_EMACS_TAGS | |
1397 ebuf = alloc(LSIZE); | |
1398 #endif | |
1399 for (mtt = 0; mtt < MT_COUNT; ++mtt) | |
1400 ga_init2(&ga_match[mtt], (int)sizeof(struct match_found *), 100); | |
1401 | |
1402 /* check for out of memory situation */ | |
1403 if (lbuf == NULL || tag_fname == NULL | |
1404 #ifdef FEAT_EMACS_TAGS | |
1405 || ebuf == NULL | |
1406 #endif | |
1407 ) | |
1408 goto findtag_end; | |
1409 | |
1410 #ifdef FEAT_CSCOPE | |
1411 STRCPY(tag_fname, "from cscope"); /* for error messages */ | |
1412 #endif | |
1413 | |
1414 /* | |
1415 * Initialize a few variables | |
1416 */ | |
1417 if (help_only) /* want tags from help file */ | |
1418 curbuf->b_help = TRUE; /* will be restored later */ | |
1419 | |
1420 pats->len = (int)STRLEN(pat); | |
1421 #ifdef FEAT_MULTI_LANG | |
1422 if (curbuf->b_help) | |
1423 { | |
1424 /* When "@ab" is specified use only the "ab" language, otherwise | |
1425 * search all languages. */ | |
1426 if (pats->len > 3 && pat[pats->len - 3] == '@' | |
1427 && ASCII_ISALPHA(pat[pats->len - 2]) | |
1428 && ASCII_ISALPHA(pat[pats->len - 1])) | |
1429 { | |
1430 saved_pat = vim_strnsave(pat, pats->len - 3); | |
1431 if (saved_pat != NULL) | |
1432 { | |
1433 help_lang_find = &pat[pats->len - 2]; | |
1434 pats->pat = saved_pat; | |
1435 pats->len -= 3; | |
1436 } | |
1437 } | |
1438 } | |
1439 #endif | |
1440 if (p_tl != 0 && pats->len > p_tl) /* adjust for 'taglength' */ | |
1441 pats->len = p_tl; | |
1442 | |
1443 prepare_pats(pats, has_re); | |
1444 | |
1445 #ifdef FEAT_TAG_BINS | |
1446 /* This is only to avoid a compiler warning for using search_info | |
1447 * uninitialised. */ | |
1448 vim_memset(&search_info, 0, (size_t)1); | |
1449 #endif | |
1450 | |
413 | 1451 /* |
1452 * When finding a specified number of matches, first try with matching | |
1453 * case, so binary search can be used, and try ignore-case matches in a | |
1454 * second loop. | |
1455 * When finding all matches, 'tagbsearch' is off, or there is no fixed | |
1456 * string to look for, ignore case right away to avoid going though the | |
1457 * tags files twice. | |
1458 * When the tag file is case-fold sorted, it is either one or the other. | |
1459 * Only ignore case when TAG_NOIC not used or 'ignorecase' set. | |
1460 */ | |
7 | 1461 #ifdef FEAT_TAG_BINS |
1462 pats->regmatch.rm_ic = ((p_ic || !noic) | |
413 | 1463 && (findall || pats->headlen == 0 || !p_tbs)); |
7 | 1464 for (round = 1; round <= 2; ++round) |
1465 { | |
1466 linear = (pats->headlen == 0 || !p_tbs || round == 2); | |
1467 #else | |
1468 pats->regmatch.rm_ic = (p_ic || !noic); | |
1469 #endif | |
1470 | |
1471 /* | |
1472 * Try tag file names from tags option one by one. | |
1473 */ | |
1474 for (first_file = TRUE; | |
1475 #ifdef FEAT_CSCOPE | |
1476 use_cscope || | |
1477 #endif | |
692 | 1478 get_tagfname(&tn, first_file, tag_fname) == OK; |
1479 first_file = FALSE) | |
7 | 1480 { |
1481 /* | |
1482 * A file that doesn't exist is silently ignored. Only when not a | |
1483 * single file is found, an error message is given (further on). | |
1484 */ | |
1485 #ifdef FEAT_CSCOPE | |
1486 if (use_cscope) | |
1487 fp = NULL; /* avoid GCC warning */ | |
1488 else | |
1489 #endif | |
1490 { | |
1491 #ifdef FEAT_MULTI_LANG | |
1492 if (curbuf->b_help) | |
1493 { | |
1494 /* Prefer help tags according to 'helplang'. Put the | |
1495 * two-letter language name in help_lang[]. */ | |
835 | 1496 i = (int)STRLEN(tag_fname); |
7 | 1497 if (i > 3 && tag_fname[i - 3] == '-') |
1498 STRCPY(help_lang, tag_fname + i - 2); | |
1499 else | |
1500 STRCPY(help_lang, "en"); | |
1501 | |
1502 /* When searching for a specific language skip tags files | |
1503 * for other languages. */ | |
1504 if (help_lang_find != NULL | |
1505 && STRICMP(help_lang, help_lang_find) != 0) | |
1506 continue; | |
1507 | |
1508 /* For CTRL-] in a help file prefer a match with the same | |
1509 * language. */ | |
1510 if ((flags & TAG_KEEP_LANG) | |
1511 && help_lang_find == NULL | |
1512 && curbuf->b_fname != NULL | |
835 | 1513 && (i = (int)STRLEN(curbuf->b_fname)) > 4 |
7 | 1514 && curbuf->b_fname[i - 1] == 'x' |
1515 && curbuf->b_fname[i - 4] == '.' | |
1516 && STRNICMP(curbuf->b_fname + i - 3, help_lang, 2) == 0) | |
1517 help_pri = 0; | |
1518 else | |
1519 { | |
1520 help_pri = 1; | |
1521 for (s = p_hlg; *s != NUL; ++s) | |
1522 { | |
1523 if (STRNICMP(s, help_lang, 2) == 0) | |
1524 break; | |
1525 ++help_pri; | |
1526 if ((s = vim_strchr(s, ',')) == NULL) | |
1527 break; | |
1528 } | |
1529 if (s == NULL || *s == NUL) | |
1530 { | |
1531 /* Language not in 'helplang': use last, prefer English, | |
1532 * unless found already. */ | |
1533 ++help_pri; | |
1534 if (STRICMP(help_lang, "en") != 0) | |
1535 ++help_pri; | |
1536 } | |
1537 } | |
1538 } | |
1539 #endif | |
1540 | |
1541 if ((fp = mch_fopen((char *)tag_fname, "r")) == NULL) | |
1542 continue; | |
1543 | |
1544 if (p_verbose >= 5) | |
292 | 1545 { |
1546 verbose_enter(); | |
273 | 1547 smsg((char_u *)_("Searching tags file %s"), tag_fname); |
292 | 1548 verbose_leave(); |
1549 } | |
7 | 1550 } |
1551 did_open = TRUE; /* remember that we found at least one file */ | |
1552 | |
1553 state = TS_START; /* we're at the start of the file */ | |
1554 #ifdef FEAT_EMACS_TAGS | |
1555 is_etag = 0; /* default is: not emacs style */ | |
1556 #endif | |
1557 | |
1558 /* | |
1559 * Read and parse the lines in the file one by one | |
1560 */ | |
1561 for (;;) | |
1562 { | |
1563 line_breakcheck(); /* check for CTRL-C typed */ | |
1564 #ifdef FEAT_INS_EXPAND | |
1565 if ((flags & TAG_INS_COMP)) /* Double brackets for gcc */ | |
464 | 1566 ins_compl_check_keys(30); |
449 | 1567 if (got_int || compl_interrupted) |
7 | 1568 #else |
1569 if (got_int) | |
1570 #endif | |
1571 { | |
1572 stop_searching = TRUE; | |
1573 break; | |
1574 } | |
1575 /* When mincount is TAG_MANY, stop when enough matches have been | |
1576 * found (for completion). */ | |
1577 if (mincount == TAG_MANY && match_count >= TAG_MANY) | |
1578 { | |
1579 stop_searching = TRUE; | |
1580 retval = OK; | |
1581 break; | |
1582 } | |
1583 if (get_it_again) | |
1584 goto line_read_in; | |
1585 #ifdef FEAT_TAG_BINS | |
1586 /* | |
1587 * For binary search: compute the next offset to use. | |
1588 */ | |
1589 if (state == TS_BINARY) | |
1590 { | |
1591 offset = search_info.low_offset + ((search_info.high_offset | |
1592 - search_info.low_offset) / 2); | |
1593 if (offset == search_info.curr_offset) | |
1594 break; /* End the binary search without a match. */ | |
1595 else | |
1596 search_info.curr_offset = offset; | |
1597 } | |
1598 | |
1599 /* | |
1600 * Skipping back (after a match during binary search). | |
1601 */ | |
1602 else if (state == TS_SKIP_BACK) | |
1603 { | |
1604 search_info.curr_offset -= LSIZE * 2; | |
1605 if (search_info.curr_offset < 0) | |
1606 { | |
1607 search_info.curr_offset = 0; | |
1608 rewind(fp); | |
1609 state = TS_STEP_FORWARD; | |
1610 } | |
1611 } | |
1612 | |
1613 /* | |
1614 * When jumping around in the file, first read a line to find the | |
1615 * start of the next line. | |
1616 */ | |
1617 if (state == TS_BINARY || state == TS_SKIP_BACK) | |
1618 { | |
1619 /* Adjust the search file offset to the correct position */ | |
1620 search_info.curr_offset_used = search_info.curr_offset; | |
1621 #ifdef HAVE_FSEEKO | |
1622 fseeko(fp, search_info.curr_offset, SEEK_SET); | |
1623 #else | |
1624 fseek(fp, (long)search_info.curr_offset, SEEK_SET); | |
1625 #endif | |
1626 eof = tag_fgets(lbuf, LSIZE, fp); | |
1627 if (!eof && search_info.curr_offset != 0) | |
1628 { | |
1146 | 1629 /* The explicit cast is to work around a bug in gcc 3.4.2 |
1630 * (repeated below). */ | |
7 | 1631 search_info.curr_offset = ftell(fp); |
1632 if (search_info.curr_offset == search_info.high_offset) | |
1633 { | |
1634 /* oops, gone a bit too far; try from low offset */ | |
1635 #ifdef HAVE_FSEEKO | |
1636 fseeko(fp, search_info.low_offset, SEEK_SET); | |
1637 #else | |
1638 fseek(fp, (long)search_info.low_offset, SEEK_SET); | |
1639 #endif | |
1640 search_info.curr_offset = search_info.low_offset; | |
1641 } | |
1642 eof = tag_fgets(lbuf, LSIZE, fp); | |
1643 } | |
1644 /* skip empty and blank lines */ | |
1645 while (!eof && vim_isblankline(lbuf)) | |
1646 { | |
1647 search_info.curr_offset = ftell(fp); | |
1648 eof = tag_fgets(lbuf, LSIZE, fp); | |
1649 } | |
1650 if (eof) | |
1651 { | |
1652 /* Hit end of file. Skip backwards. */ | |
1653 state = TS_SKIP_BACK; | |
1654 search_info.match_offset = ftell(fp); | |
1655 search_info.curr_offset = search_info.curr_offset_used; | |
1656 continue; | |
1657 } | |
1658 } | |
1659 | |
1660 /* | |
1661 * Not jumping around in the file: Read the next line. | |
1662 */ | |
1663 else | |
1664 #endif | |
1665 { | |
1666 /* skip empty and blank lines */ | |
1667 do | |
1668 { | |
1669 #ifdef FEAT_CSCOPE | |
1670 if (use_cscope) | |
1671 eof = cs_fgets(lbuf, LSIZE); | |
1672 else | |
1673 #endif | |
1674 eof = tag_fgets(lbuf, LSIZE, fp); | |
1675 } while (!eof && vim_isblankline(lbuf)); | |
1676 | |
1677 if (eof) | |
1678 { | |
1679 #ifdef FEAT_EMACS_TAGS | |
1680 if (incstack_idx) /* this was an included file */ | |
1681 { | |
1682 --incstack_idx; | |
1683 fclose(fp); /* end of this file ... */ | |
1684 fp = incstack[incstack_idx].fp; | |
1685 STRCPY(tag_fname, incstack[incstack_idx].etag_fname); | |
1686 vim_free(incstack[incstack_idx].etag_fname); | |
1687 is_etag = 1; /* (only etags can include) */ | |
1688 continue; /* ... continue with parent file */ | |
1689 } | |
1690 else | |
1691 #endif | |
1692 break; /* end of file */ | |
1693 } | |
1694 } | |
1695 line_read_in: | |
1696 | |
1697 #ifdef FEAT_EMACS_TAGS | |
1698 /* | |
1699 * Emacs tags line with CTRL-L: New file name on next line. | |
1700 * The file name is followed by a ','. | |
1701 */ | |
1702 if (*lbuf == Ctrl_L) /* remember etag file name in ebuf */ | |
1703 { | |
1704 is_etag = 1; /* in case at the start */ | |
1705 state = TS_LINEAR; | |
1706 if (!tag_fgets(ebuf, LSIZE, fp)) | |
1707 { | |
1708 for (p = ebuf; *p && *p != ','; p++) | |
1709 ; | |
1710 *p = NUL; | |
1711 | |
1712 /* | |
1713 * atoi(p+1) is the number of bytes before the next ^L | |
1714 * unless it is an include statement. | |
1715 */ | |
1716 if (STRNCMP(p + 1, "include", 7) == 0 | |
1717 && incstack_idx < INCSTACK_SIZE) | |
1718 { | |
1719 /* Save current "fp" and "tag_fname" in the stack. */ | |
1720 if ((incstack[incstack_idx].etag_fname = | |
1721 vim_strsave(tag_fname)) != NULL) | |
1722 { | |
1723 char_u *fullpath_ebuf; | |
1724 | |
1725 incstack[incstack_idx].fp = fp; | |
1726 fp = NULL; | |
1727 | |
1728 /* Figure out "tag_fname" and "fp" to use for | |
1729 * included file. */ | |
1730 fullpath_ebuf = expand_tag_fname(ebuf, | |
1731 tag_fname, FALSE); | |
1732 if (fullpath_ebuf != NULL) | |
1733 { | |
1734 fp = mch_fopen((char *)fullpath_ebuf, "r"); | |
1735 if (fp != NULL) | |
1736 { | |
1737 if (STRLEN(fullpath_ebuf) > LSIZE) | |
1738 EMSG2(_("E430: Tag file path truncated for %s\n"), ebuf); | |
418 | 1739 vim_strncpy(tag_fname, fullpath_ebuf, |
1740 MAXPATHL); | |
7 | 1741 ++incstack_idx; |
1742 is_etag = 0; /* we can include anything */ | |
1743 } | |
1744 vim_free(fullpath_ebuf); | |
1745 } | |
1746 if (fp == NULL) | |
1747 { | |
1748 /* Can't open the included file, skip it and | |
1749 * restore old value of "fp". */ | |
1750 fp = incstack[incstack_idx].fp; | |
1751 vim_free(incstack[incstack_idx].etag_fname); | |
1752 } | |
1753 } | |
1754 } | |
1755 } | |
1756 continue; | |
1757 } | |
1758 #endif | |
1759 | |
1760 /* | |
1761 * When still at the start of the file, check for Emacs tags file | |
1762 * format, and for "not sorted" flag. | |
1763 */ | |
1764 if (state == TS_START) | |
1765 { | |
1766 #ifdef FEAT_TAG_BINS | |
1767 /* | |
1768 * When there is no tag head, or ignoring case, need to do a | |
1769 * linear search. | |
1770 * When no "!_TAG_" is found, default to binary search. If | |
1771 * the tag file isn't sorted, the second loop will find it. | |
1772 * When "!_TAG_FILE_SORTED" found: start binary search if | |
1773 * flag set. | |
1774 * For cscope, it's always linear. | |
1775 */ | |
1776 # ifdef FEAT_CSCOPE | |
1777 if (linear || use_cscope) | |
1778 # else | |
1779 if (linear) | |
1780 # endif | |
1781 state = TS_LINEAR; | |
1782 else if (STRNCMP(lbuf, "!_TAG_", 6) > 0) | |
1783 state = TS_BINARY; | |
1784 else if (STRNCMP(lbuf, "!_TAG_FILE_SORTED\t", 18) == 0) | |
1785 { | |
1786 /* Check sorted flag */ | |
1787 if (lbuf[18] == '1') | |
1788 state = TS_BINARY; | |
1789 else if (lbuf[18] == '2') | |
1790 { | |
1791 state = TS_BINARY; | |
1792 sortic = TRUE; | |
1793 pats->regmatch.rm_ic = (p_ic || !noic); | |
1794 } | |
1795 else | |
1796 state = TS_LINEAR; | |
1797 } | |
1798 | |
1799 if (state == TS_BINARY && pats->regmatch.rm_ic && !sortic) | |
1800 { | |
1801 /* binary search won't work for ignoring case, use linear | |
1802 * search. */ | |
1803 linear = TRUE; | |
1804 state = TS_LINEAR; | |
1805 } | |
1806 #else | |
1807 state = TS_LINEAR; | |
1808 #endif | |
1809 | |
1810 #ifdef FEAT_TAG_BINS | |
1811 /* | |
1812 * When starting a binary search, get the size of the file and | |
1813 * compute the first offset. | |
1814 */ | |
1815 if (state == TS_BINARY) | |
1816 { | |
1817 /* Get the tag file size (don't use mch_fstat(), it's not | |
1818 * portable). */ | |
1819 if ((filesize = lseek(fileno(fp), | |
1820 (off_t)0L, SEEK_END)) <= 0) | |
1821 state = TS_LINEAR; | |
1822 else | |
1823 { | |
1824 lseek(fileno(fp), (off_t)0L, SEEK_SET); | |
1825 | |
1826 /* Calculate the first read offset in the file. Start | |
1827 * the search in the middle of the file. */ | |
1828 search_info.low_offset = 0; | |
1829 search_info.low_char = 0; | |
1830 search_info.high_offset = filesize; | |
1831 search_info.curr_offset = 0; | |
1832 search_info.high_char = 0xff; | |
1833 } | |
1834 continue; | |
1835 } | |
1836 #endif | |
1837 } | |
1838 | |
1839 #ifdef FEAT_MBYTE | |
1840 if (lbuf[0] == '!' && pats == &orgpat | |
1841 && STRNCMP(lbuf, "!_TAG_FILE_ENCODING\t", 20) == 0) | |
1842 { | |
1843 /* Convert the search pattern from 'encoding' to the | |
1844 * specified encoding. */ | |
1845 for (p = lbuf + 20; *p > ' ' && *p < 127; ++p) | |
1846 ; | |
1847 *p = NUL; | |
1848 convert_setup(&vimconv, p_enc, lbuf + 20); | |
1849 if (vimconv.vc_type != CONV_NONE) | |
1850 { | |
1851 convpat.pat = string_convert(&vimconv, pats->pat, NULL); | |
1852 if (convpat.pat != NULL) | |
1853 { | |
1854 pats = &convpat; | |
1855 pats->len = (int)STRLEN(pats->pat); | |
1856 prepare_pats(pats, has_re); | |
1857 pats->regmatch.rm_ic = orgpat.regmatch.rm_ic; | |
1858 } | |
1859 } | |
1860 | |
1861 /* Prepare for converting a match the other way around. */ | |
1862 convert_setup(&vimconv, lbuf + 20, p_enc); | |
1863 continue; | |
1864 } | |
1865 #endif | |
1866 | |
1867 /* | |
1868 * Figure out where the different strings are in this line. | |
1869 * For "normal" tags: Do a quick check if the tag matches. | |
1870 * This speeds up tag searching a lot! | |
1871 */ | |
1872 if (pats->headlen | |
1873 #ifdef FEAT_EMACS_TAGS | |
1874 && !is_etag | |
1875 #endif | |
1876 ) | |
1877 { | |
1878 tagp.tagname = lbuf; | |
1879 #ifdef FEAT_TAG_ANYWHITE | |
1880 tagp.tagname_end = skiptowhite(lbuf); | |
1881 if (*tagp.tagname_end == NUL) /* corrupted tag line */ | |
1882 #else | |
1883 tagp.tagname_end = vim_strchr(lbuf, TAB); | |
1884 if (tagp.tagname_end == NULL) /* corrupted tag line */ | |
1885 #endif | |
1886 { | |
1887 line_error = TRUE; | |
1888 break; | |
1889 } | |
1890 | |
1891 #ifdef FEAT_TAG_OLDSTATIC | |
1892 /* | |
1893 * Check for old style static tag: "file:tag file .." | |
1894 */ | |
1895 tagp.fname = NULL; | |
1896 for (p = lbuf; p < tagp.tagname_end; ++p) | |
1897 { | |
1898 if (*p == ':') | |
1899 { | |
1900 if (tagp.fname == NULL) | |
1901 #ifdef FEAT_TAG_ANYWHITE | |
1902 tagp.fname = skipwhite(tagp.tagname_end); | |
1903 #else | |
1904 tagp.fname = tagp.tagname_end + 1; | |
1905 #endif | |
1906 if ( fnamencmp(lbuf, tagp.fname, p - lbuf) == 0 | |
1907 #ifdef FEAT_TAG_ANYWHITE | |
1908 && vim_iswhite(tagp.fname[p - lbuf]) | |
1909 #else | |
1910 && tagp.fname[p - lbuf] == TAB | |
1911 #endif | |
1912 ) | |
1913 { | |
1914 /* found one */ | |
1915 tagp.tagname = p + 1; | |
1916 break; | |
1917 } | |
1918 } | |
1919 } | |
1920 #endif | |
1921 | |
1922 /* | |
1923 * Skip this line if the length of the tag is different and | |
1924 * there is no regexp, or the tag is too short. | |
1925 */ | |
1926 cmplen = (int)(tagp.tagname_end - tagp.tagname); | |
1927 if (p_tl != 0 && cmplen > p_tl) /* adjust for 'taglength' */ | |
1928 cmplen = p_tl; | |
1929 if (has_re && pats->headlen < cmplen) | |
1930 cmplen = pats->headlen; | |
1931 else if (state == TS_LINEAR && pats->headlen != cmplen) | |
1932 continue; | |
1933 | |
1934 #ifdef FEAT_TAG_BINS | |
1935 if (state == TS_BINARY) | |
1936 { | |
1937 /* | |
1938 * Simplistic check for unsorted tags file. | |
1939 */ | |
1940 i = (int)tagp.tagname[0]; | |
1941 if (sortic) | |
1942 i = (int)TOUPPER_ASC(tagp.tagname[0]); | |
1943 if (i < search_info.low_char || i > search_info.high_char) | |
1944 sort_error = TRUE; | |
1945 | |
1946 /* | |
1947 * Compare the current tag with the searched tag. | |
1948 */ | |
1949 if (sortic) | |
1950 tagcmp = tag_strnicmp(tagp.tagname, pats->head, | |
1951 (size_t)cmplen); | |
1952 else | |
1953 tagcmp = STRNCMP(tagp.tagname, pats->head, cmplen); | |
1954 | |
1955 /* | |
1956 * A match with a shorter tag means to search forward. | |
1957 * A match with a longer tag means to search backward. | |
1958 */ | |
1959 if (tagcmp == 0) | |
1960 { | |
1961 if (cmplen < pats->headlen) | |
1962 tagcmp = -1; | |
1963 else if (cmplen > pats->headlen) | |
1964 tagcmp = 1; | |
1965 } | |
1966 | |
1967 if (tagcmp == 0) | |
1968 { | |
1969 /* We've located the tag, now skip back and search | |
1970 * forward until the first matching tag is found. | |
1971 */ | |
1972 state = TS_SKIP_BACK; | |
1973 search_info.match_offset = search_info.curr_offset; | |
1974 continue; | |
1975 } | |
1976 if (tagcmp < 0) | |
1977 { | |
1978 search_info.curr_offset = ftell(fp); | |
1979 if (search_info.curr_offset < search_info.high_offset) | |
1980 { | |
1981 search_info.low_offset = search_info.curr_offset; | |
1982 if (sortic) | |
1983 search_info.low_char = | |
1984 TOUPPER_ASC(tagp.tagname[0]); | |
1985 else | |
1986 search_info.low_char = tagp.tagname[0]; | |
1987 continue; | |
1988 } | |
1989 } | |
1990 if (tagcmp > 0 | |
1991 && search_info.curr_offset != search_info.high_offset) | |
1992 { | |
1993 search_info.high_offset = search_info.curr_offset; | |
1994 if (sortic) | |
1995 search_info.high_char = | |
1996 TOUPPER_ASC(tagp.tagname[0]); | |
1997 else | |
1998 search_info.high_char = tagp.tagname[0]; | |
1999 continue; | |
2000 } | |
2001 | |
2002 /* No match yet and are at the end of the binary search. */ | |
2003 break; | |
2004 } | |
2005 else if (state == TS_SKIP_BACK) | |
2006 { | |
2007 if (MB_STRNICMP(tagp.tagname, pats->head, cmplen) != 0) | |
2008 state = TS_STEP_FORWARD; | |
2009 else | |
2010 /* Have to skip back more. Restore the curr_offset | |
2011 * used, otherwise we get stuck at a long line. */ | |
2012 search_info.curr_offset = search_info.curr_offset_used; | |
2013 continue; | |
2014 } | |
2015 else if (state == TS_STEP_FORWARD) | |
2016 { | |
2017 if (MB_STRNICMP(tagp.tagname, pats->head, cmplen) != 0) | |
2018 { | |
2019 if ((off_t)ftell(fp) > search_info.match_offset) | |
2020 break; /* past last match */ | |
2021 else | |
2022 continue; /* before first match */ | |
2023 } | |
2024 } | |
2025 else | |
2026 #endif | |
2027 /* skip this match if it can't match */ | |
2028 if (MB_STRNICMP(tagp.tagname, pats->head, cmplen) != 0) | |
2029 continue; | |
2030 | |
2031 /* | |
2032 * Can be a matching tag, isolate the file name and command. | |
2033 */ | |
2034 #ifdef FEAT_TAG_OLDSTATIC | |
2035 if (tagp.fname == NULL) | |
2036 #endif | |
2037 #ifdef FEAT_TAG_ANYWHITE | |
2038 tagp.fname = skipwhite(tagp.tagname_end); | |
2039 #else | |
2040 tagp.fname = tagp.tagname_end + 1; | |
2041 #endif | |
2042 #ifdef FEAT_TAG_ANYWHITE | |
2043 tagp.fname_end = skiptowhite(tagp.fname); | |
2044 tagp.command = skipwhite(tagp.fname_end); | |
2045 if (*tagp.command == NUL) | |
2046 #else | |
2047 tagp.fname_end = vim_strchr(tagp.fname, TAB); | |
2048 tagp.command = tagp.fname_end + 1; | |
2049 if (tagp.fname_end == NULL) | |
2050 #endif | |
2051 i = FAIL; | |
2052 else | |
2053 i = OK; | |
2054 } | |
2055 else | |
2056 i = parse_tag_line(lbuf, | |
2057 #ifdef FEAT_EMACS_TAGS | |
2058 is_etag, | |
2059 #endif | |
2060 &tagp); | |
2061 if (i == FAIL) | |
2062 { | |
2063 line_error = TRUE; | |
2064 break; | |
2065 } | |
2066 | |
2067 #ifdef FEAT_EMACS_TAGS | |
2068 if (is_etag) | |
2069 tagp.fname = ebuf; | |
2070 #endif | |
2071 /* | |
2072 * First try matching with the pattern literally (also when it is | |
2073 * a regexp). | |
2074 */ | |
2075 cmplen = (int)(tagp.tagname_end - tagp.tagname); | |
2076 if (p_tl != 0 && cmplen > p_tl) /* adjust for 'taglength' */ | |
2077 cmplen = p_tl; | |
2078 /* if tag length does not match, don't try comparing */ | |
2079 if (pats->len != cmplen) | |
2080 match = FALSE; | |
2081 else | |
2082 { | |
2083 if (pats->regmatch.rm_ic) | |
2084 { | |
2085 match = (MB_STRNICMP(tagp.tagname, pats->pat, cmplen) == 0); | |
2086 if (match) | |
2087 match_no_ic = (STRNCMP(tagp.tagname, pats->pat, | |
2088 cmplen) == 0); | |
2089 } | |
2090 else | |
2091 match = (STRNCMP(tagp.tagname, pats->pat, cmplen) == 0); | |
2092 } | |
2093 | |
2094 /* | |
2095 * Has a regexp: Also find tags matching regexp. | |
2096 */ | |
2097 match_re = FALSE; | |
2098 if (!match && pats->regmatch.regprog != NULL) | |
2099 { | |
2100 int cc; | |
2101 | |
2102 cc = *tagp.tagname_end; | |
2103 *tagp.tagname_end = NUL; | |
2104 match = vim_regexec(&pats->regmatch, tagp.tagname, (colnr_T)0); | |
2105 if (match) | |
2106 { | |
2107 matchoff = (int)(pats->regmatch.startp[0] - tagp.tagname); | |
2108 if (pats->regmatch.rm_ic) | |
2109 { | |
2110 pats->regmatch.rm_ic = FALSE; | |
2111 match_no_ic = vim_regexec(&pats->regmatch, tagp.tagname, | |
2112 (colnr_T)0); | |
2113 pats->regmatch.rm_ic = TRUE; | |
2114 } | |
2115 } | |
2116 *tagp.tagname_end = cc; | |
2117 match_re = TRUE; | |
2118 } | |
2119 | |
2120 /* | |
2121 * If a match is found, add it to ga_match[]. | |
2122 */ | |
2123 if (match) | |
2124 { | |
2125 #ifdef FEAT_CSCOPE | |
2126 if (use_cscope) | |
2127 { | |
2128 /* Don't change the ordering, always use the same table. */ | |
2129 mtt = MT_GL_OTH; | |
2130 } | |
2131 else | |
2132 #endif | |
2133 { | |
2134 /* Decide in which array to store this match. */ | |
2135 is_current = test_for_current( | |
2136 #ifdef FEAT_EMACS_TAGS | |
2137 is_etag, | |
2138 #endif | |
2139 tagp.fname, tagp.fname_end, tag_fname, | |
2140 buf_ffname); | |
2141 #ifdef FEAT_EMACS_TAGS | |
2142 is_static = FALSE; | |
2143 if (!is_etag) /* emacs tags are never static */ | |
2144 #endif | |
2145 { | |
2146 #ifdef FEAT_TAG_OLDSTATIC | |
2147 if (tagp.tagname != lbuf) | |
2148 is_static = TRUE; /* detected static tag before */ | |
2149 else | |
2150 #endif | |
2151 is_static = test_for_static(&tagp); | |
2152 } | |
2153 | |
2154 /* decide in which of the sixteen tables to store this | |
2155 * match */ | |
2156 if (is_static) | |
2157 { | |
2158 if (is_current) | |
2159 mtt = MT_ST_CUR; | |
2160 else | |
2161 mtt = MT_ST_OTH; | |
2162 } | |
2163 else | |
2164 { | |
2165 if (is_current) | |
2166 mtt = MT_GL_CUR; | |
2167 else | |
2168 mtt = MT_GL_OTH; | |
2169 } | |
2170 if (pats->regmatch.rm_ic && !match_no_ic) | |
2171 mtt += MT_IC_OFF; | |
2172 if (match_re) | |
2173 mtt += MT_RE_OFF; | |
2174 } | |
2175 | |
2176 /* | |
2177 * Add the found match in ga_match[mtt], avoiding duplicates. | |
2178 * Store the info we need later, which depends on the kind of | |
2179 * tags we are dealing with. | |
2180 */ | |
2181 if (ga_grow(&ga_match[mtt], 1) == OK) | |
2182 { | |
2183 #ifdef FEAT_MBYTE | |
2184 char_u *conv_line = NULL; | |
2185 char_u *lbuf_line = lbuf; | |
2186 | |
2187 if (vimconv.vc_type != CONV_NONE) | |
2188 { | |
2189 /* Convert the tag line from the encoding of the tags | |
2190 * file to 'encoding'. Then parse the line again. */ | |
2191 conv_line = string_convert(&vimconv, lbuf, NULL); | |
2192 if (conv_line != NULL) | |
2193 { | |
2194 if (parse_tag_line(conv_line, | |
2195 #ifdef FEAT_EMACS_TAGS | |
2196 is_etag, | |
2197 #endif | |
2198 &tagp) == OK) | |
2199 lbuf_line = conv_line; | |
2200 else | |
2201 /* doesn't work, go back to unconverted line. */ | |
2202 (void)parse_tag_line(lbuf, | |
2203 #ifdef FEAT_EMACS_TAGS | |
2204 is_etag, | |
2205 #endif | |
2206 &tagp); | |
2207 } | |
2208 } | |
2209 #else | |
2210 # define lbuf_line lbuf | |
2211 #endif | |
2212 if (help_only) | |
2213 { | |
2214 #ifdef FEAT_MULTI_LANG | |
2215 # define ML_EXTRA 3 | |
2216 #else | |
2217 # define ML_EXTRA 0 | |
2218 #endif | |
2219 /* | |
2220 * Append the help-heuristic number after the | |
2221 * tagname, for sorting it later. | |
2222 */ | |
2223 *tagp.tagname_end = NUL; | |
2224 len = (int)(tagp.tagname_end - tagp.tagname); | |
2225 mfp = (struct match_found *) | |
2226 alloc((int)sizeof(struct match_found) + len | |
2227 + 10 + ML_EXTRA); | |
2228 if (mfp != NULL) | |
2229 { | |
2230 /* "len" includes the language and the NUL, but | |
2231 * not the priority. */ | |
2232 mfp->len = len + ML_EXTRA + 1; | |
2233 #define ML_HELP_LEN 6 | |
2234 p = mfp->match; | |
2235 STRCPY(p, tagp.tagname); | |
2236 #ifdef FEAT_MULTI_LANG | |
2237 p[len] = '@'; | |
2238 STRCPY(p + len + 1, help_lang); | |
2239 #endif | |
2240 sprintf((char *)p + len + 1 + ML_EXTRA, "%06d", | |
2241 help_heuristic(tagp.tagname, | |
2242 match_re ? matchoff : 0, !match_no_ic) | |
2243 #ifdef FEAT_MULTI_LANG | |
2244 + help_pri | |
2245 #endif | |
2246 ); | |
2247 } | |
2248 *tagp.tagname_end = TAB; | |
2249 } | |
2250 else if (name_only) | |
2251 { | |
2252 if (get_it_again) | |
2253 { | |
2254 char_u *temp_end = tagp.command; | |
2255 | |
2256 if (*temp_end == '/') | |
2257 while (*temp_end && *temp_end != '\r' | |
2258 && *temp_end != '\n' | |
2259 && *temp_end != '$') | |
2260 temp_end++; | |
2261 | |
2262 if (tagp.command + 2 < temp_end) | |
2263 { | |
2264 len = (int)(temp_end - tagp.command - 2); | |
2265 mfp = (struct match_found *)alloc( | |
2266 (int)sizeof(struct match_found) + len); | |
2267 if (mfp != NULL) | |
2268 { | |
2269 mfp->len = len + 1; /* include the NUL */ | |
2270 p = mfp->match; | |
418 | 2271 vim_strncpy(p, tagp.command + 2, len); |
7 | 2272 } |
2273 } | |
2274 else | |
2275 mfp = NULL; | |
2276 get_it_again = FALSE; | |
2277 } | |
2278 else | |
2279 { | |
2280 len = (int)(tagp.tagname_end - tagp.tagname); | |
2281 mfp = (struct match_found *)alloc( | |
2282 (int)sizeof(struct match_found) + len); | |
2283 if (mfp != NULL) | |
2284 { | |
2285 mfp->len = len + 1; /* include the NUL */ | |
2286 p = mfp->match; | |
418 | 2287 vim_strncpy(p, tagp.tagname, len); |
7 | 2288 } |
2289 | |
2290 /* if wanted, re-read line to get long form too */ | |
2291 if (State & INSERT) | |
2292 get_it_again = p_sft; | |
2293 } | |
2294 } | |
2295 else | |
2296 { | |
2297 /* Save the tag in a buffer. | |
2298 * Emacs tag: <mtt><tag_fname><NUL><ebuf><NUL><lbuf> | |
2299 * other tag: <mtt><tag_fname><NUL><NUL><lbuf> | |
2300 * without Emacs tags: <mtt><tag_fname><NUL><lbuf> | |
2301 */ | |
359 | 2302 len = (int)STRLEN(tag_fname) |
2303 + (int)STRLEN(lbuf_line) + 3; | |
7 | 2304 #ifdef FEAT_EMACS_TAGS |
2305 if (is_etag) | |
2306 len += (int)STRLEN(ebuf) + 1; | |
2307 else | |
2308 ++len; | |
2309 #endif | |
2310 mfp = (struct match_found *)alloc( | |
2311 (int)sizeof(struct match_found) + len); | |
2312 if (mfp != NULL) | |
2313 { | |
2314 mfp->len = len; | |
2315 p = mfp->match; | |
2316 p[0] = mtt; | |
2317 STRCPY(p + 1, tag_fname); | |
2318 #ifdef BACKSLASH_IN_FILENAME | |
2319 /* Ignore differences in slashes, avoid adding | |
2320 * both path/file and path\file. */ | |
2321 slash_adjust(p + 1); | |
2322 #endif | |
2323 s = p + 1 + STRLEN(tag_fname) + 1; | |
2324 #ifdef FEAT_EMACS_TAGS | |
2325 if (is_etag) | |
2326 { | |
2327 STRCPY(s, ebuf); | |
2328 s += STRLEN(ebuf) + 1; | |
2329 } | |
2330 else | |
2331 *s++ = NUL; | |
2332 #endif | |
2333 STRCPY(s, lbuf_line); | |
2334 } | |
2335 } | |
2336 | |
2337 if (mfp != NULL) | |
2338 { | |
2339 /* | |
2340 * Don't add identical matches. | |
2341 * This can take a lot of time when finding many | |
2342 * matches, check for CTRL-C now and then. | |
2343 * Add all cscope tags, because they are all listed. | |
2344 */ | |
2345 #ifdef FEAT_CSCOPE | |
2346 if (use_cscope) | |
2347 i = -1; | |
2348 else | |
2349 #endif | |
2350 for (i = ga_match[mtt].ga_len; --i >= 0 && !got_int; ) | |
2351 { | |
2352 mfp2 = ((struct match_found **) | |
2353 (ga_match[mtt].ga_data))[i]; | |
2354 if (mfp2->len == mfp->len | |
2355 && vim_memcmp(mfp2->match, mfp->match, | |
2356 (size_t)mfp->len) == 0) | |
2357 break; | |
2358 line_breakcheck(); | |
2359 } | |
2360 if (i < 0) | |
2361 { | |
2362 ((struct match_found **)(ga_match[mtt].ga_data)) | |
2363 [ga_match[mtt].ga_len++] = mfp; | |
2364 ++match_count; | |
2365 } | |
2366 else | |
2367 vim_free(mfp); | |
2368 } | |
2369 #ifdef FEAT_MBYTE | |
2370 /* Note: this makes the values in "tagp" invalid! */ | |
2371 vim_free(conv_line); | |
2372 #endif | |
2373 } | |
2374 else /* Out of memory! Just forget about the rest. */ | |
2375 { | |
2376 retval = OK; | |
2377 stop_searching = TRUE; | |
2378 break; | |
2379 } | |
2380 } | |
2381 #ifdef FEAT_CSCOPE | |
2382 if (use_cscope && eof) | |
2383 break; | |
2384 #endif | |
2385 } /* forever */ | |
2386 | |
2387 if (line_error) | |
2388 { | |
2389 EMSG2(_("E431: Format error in tags file \"%s\""), tag_fname); | |
2390 #ifdef FEAT_CSCOPE | |
2391 if (!use_cscope) | |
2392 #endif | |
2393 EMSGN(_("Before byte %ld"), (long)ftell(fp)); | |
2394 stop_searching = TRUE; | |
2395 line_error = FALSE; | |
2396 } | |
2397 | |
2398 #ifdef FEAT_CSCOPE | |
2399 if (!use_cscope) | |
2400 #endif | |
2401 fclose(fp); | |
2402 #ifdef FEAT_EMACS_TAGS | |
2403 while (incstack_idx) | |
2404 { | |
2405 --incstack_idx; | |
2406 fclose(incstack[incstack_idx].fp); | |
2407 vim_free(incstack[incstack_idx].etag_fname); | |
2408 } | |
2409 #endif | |
2410 #ifdef FEAT_MBYTE | |
2411 if (pats == &convpat) | |
2412 { | |
2413 /* Go back from converted pattern to original pattern. */ | |
2414 vim_free(pats->pat); | |
2415 vim_free(pats->regmatch.regprog); | |
2416 orgpat.regmatch.rm_ic = pats->regmatch.rm_ic; | |
2417 pats = &orgpat; | |
2418 } | |
2419 if (vimconv.vc_type != CONV_NONE) | |
2420 convert_setup(&vimconv, NULL, NULL); | |
2421 #endif | |
2422 | |
2423 #ifdef FEAT_TAG_BINS | |
2424 if (sort_error) | |
2425 { | |
2426 EMSG2(_("E432: Tags file not sorted: %s"), tag_fname); | |
2427 sort_error = FALSE; | |
2428 } | |
2429 #endif | |
2430 | |
2431 /* | |
2432 * Stop searching if sufficient tags have been found. | |
2433 */ | |
2434 if (match_count >= mincount) | |
2435 { | |
2436 retval = OK; | |
2437 stop_searching = TRUE; | |
2438 } | |
2439 | |
2440 #ifdef FEAT_CSCOPE | |
2441 if (stop_searching || use_cscope) | |
2442 #else | |
2443 if (stop_searching) | |
2444 #endif | |
2445 break; | |
2446 | |
2447 } /* end of for-each-file loop */ | |
2448 | |
692 | 2449 #ifdef FEAT_CSCOPE |
2450 if (!use_cscope) | |
2451 #endif | |
2452 tagname_free(&tn); | |
2453 | |
7 | 2454 #ifdef FEAT_TAG_BINS |
413 | 2455 /* stop searching when already did a linear search, or when TAG_NOIC |
2456 * used, and 'ignorecase' not set or already did case-ignore search */ | |
7 | 2457 if (stop_searching || linear || (!p_ic && noic) || pats->regmatch.rm_ic) |
2458 break; | |
2459 # ifdef FEAT_CSCOPE | |
2460 if (use_cscope) | |
2461 break; | |
2462 # endif | |
2463 pats->regmatch.rm_ic = TRUE; /* try another time while ignoring case */ | |
2464 } | |
2465 #endif | |
2466 | |
2467 if (!stop_searching) | |
2468 { | |
2469 if (!did_open && verbose) /* never opened any tags file */ | |
2470 EMSG(_("E433: No tags file")); | |
2471 retval = OK; /* It's OK even when no tag found */ | |
2472 } | |
2473 | |
2474 findtag_end: | |
2475 vim_free(lbuf); | |
2476 vim_free(pats->regmatch.regprog); | |
2477 vim_free(tag_fname); | |
2478 #ifdef FEAT_EMACS_TAGS | |
2479 vim_free(ebuf); | |
2480 #endif | |
2481 | |
2482 /* | |
2483 * Move the matches from the ga_match[] arrays into one list of | |
2484 * matches. When retval == FAIL, free the matches. | |
2485 */ | |
2486 if (retval == FAIL) | |
2487 match_count = 0; | |
2488 | |
2489 if (match_count > 0) | |
2490 matches = (char_u **)lalloc((long_u)(match_count * sizeof(char_u *)), | |
2491 TRUE); | |
2492 else | |
2493 matches = NULL; | |
2494 match_count = 0; | |
2495 for (mtt = 0; mtt < MT_COUNT; ++mtt) | |
2496 { | |
2497 for (i = 0; i < ga_match[mtt].ga_len; ++i) | |
2498 { | |
2499 mfp = ((struct match_found **)(ga_match[mtt].ga_data))[i]; | |
2500 if (matches == NULL) | |
2501 vim_free(mfp); | |
2502 else | |
2503 { | |
2504 /* To avoid allocating memory again we turn the struct | |
2505 * match_found into a string. For help the priority was not | |
2506 * included in the length. */ | |
2507 mch_memmove(mfp, mfp->match, | |
2508 (size_t)(mfp->len + (help_only ? ML_HELP_LEN : 0))); | |
2509 matches[match_count++] = (char_u *)mfp; | |
2510 } | |
2511 } | |
2512 ga_clear(&ga_match[mtt]); | |
2513 } | |
2514 | |
2515 *matchesp = matches; | |
2516 *num_matches = match_count; | |
2517 | |
2518 curbuf->b_help = help_save; | |
2519 #ifdef FEAT_MULTI_LANG | |
2520 vim_free(saved_pat); | |
2521 #endif | |
2522 | |
2523 return retval; | |
2524 } | |
2525 | |
2526 static garray_T tag_fnames = GA_EMPTY; | |
236 | 2527 static void found_tagfile_cb __ARGS((char_u *fname, void *cookie)); |
7 | 2528 |
2529 /* | |
2530 * Callback function for finding all "tags" and "tags-??" files in | |
2531 * 'runtimepath' doc directories. | |
2532 */ | |
2533 static void | |
236 | 2534 found_tagfile_cb(fname, cookie) |
7 | 2535 char_u *fname; |
1877 | 2536 void *cookie UNUSED; |
7 | 2537 { |
2538 if (ga_grow(&tag_fnames, 1) == OK) | |
2539 ((char_u **)(tag_fnames.ga_data))[tag_fnames.ga_len++] = | |
2540 vim_strsave(fname); | |
2541 } | |
2542 | |
359 | 2543 #if defined(EXITFREE) || defined(PROTO) |
2544 void | |
2545 free_tag_stuff() | |
2546 { | |
692 | 2547 ga_clear_strings(&tag_fnames); |
359 | 2548 do_tag(NULL, DT_FREE, 0, 0, 0); |
1818 | 2549 tag_freematch(); |
2550 | |
2551 # if defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX) | |
2552 if (ptag_entry.tagname) | |
2553 { | |
2554 vim_free(ptag_entry.tagname); | |
2555 ptag_entry.tagname = NULL; | |
2556 } | |
2557 # endif | |
359 | 2558 } |
2559 #endif | |
2560 | |
7 | 2561 /* |
2562 * Get the next name of a tag file from the tag file list. | |
2563 * For help files, use "tags" file only. | |
2564 * | |
2565 * Return FAIL if no more tag file names, OK otherwise. | |
2566 */ | |
514 | 2567 int |
692 | 2568 get_tagfname(tnp, first, buf) |
2569 tagname_T *tnp; /* holds status info */ | |
7 | 2570 int first; /* TRUE when first file name is wanted */ |
2571 char_u *buf; /* pointer to buffer of MAXPATHL chars */ | |
2572 { | |
2573 char_u *fname = NULL; | |
2574 char_u *r_ptr; | |
2575 | |
692 | 2576 if (first) |
2577 vim_memset(tnp, 0, sizeof(tagname_T)); | |
2578 | |
514 | 2579 if (curbuf->b_help) |
7 | 2580 { |
514 | 2581 /* |
2582 * For help files it's done in a completely different way: | |
2583 * Find "doc/tags" and "doc/tags-??" in all directories in | |
2584 * 'runtimepath'. | |
2585 */ | |
2586 if (first) | |
7 | 2587 { |
2588 ga_clear_strings(&tag_fnames); | |
2589 ga_init2(&tag_fnames, (int)sizeof(char_u *), 10); | |
2590 do_in_runtimepath((char_u *) | |
2591 #ifdef FEAT_MULTI_LANG | |
36 | 2592 # ifdef VMS |
2593 /* Functions decc$to_vms() and decc$translate_vms() crash | |
2594 * on some VMS systems with wildcards "??". Seems ECO | |
2595 * patches do fix the problem in C RTL, but we can't use | |
2596 * an #ifdef for that. */ | |
2597 "doc/tags doc/tags-*" | |
2598 # else | |
7 | 2599 "doc/tags doc/tags-??" |
36 | 2600 # endif |
7 | 2601 #else |
2602 "doc/tags" | |
2603 #endif | |
236 | 2604 , TRUE, found_tagfile_cb, NULL); |
7 | 2605 } |
602 | 2606 |
692 | 2607 if (tnp->tn_hf_idx >= tag_fnames.ga_len) |
7 | 2608 { |
2609 /* Not found in 'runtimepath', use 'helpfile', if it exists and | |
2610 * wasn't used yet, replacing "help.txt" with "tags". */ | |
692 | 2611 if (tnp->tn_hf_idx > tag_fnames.ga_len || *p_hf == NUL) |
7 | 2612 return FAIL; |
692 | 2613 ++tnp->tn_hf_idx; |
7 | 2614 STRCPY(buf, p_hf); |
2615 STRCPY(gettail(buf), "tags"); | |
2616 } | |
2617 else | |
692 | 2618 vim_strncpy(buf, ((char_u **)(tag_fnames.ga_data))[ |
2619 tnp->tn_hf_idx++], MAXPATHL - 1); | |
514 | 2620 return OK; |
2621 } | |
2622 | |
2623 if (first) | |
2624 { | |
692 | 2625 /* Init. We make a copy of 'tags', because autocommands may change |
2626 * the value without notifying us. */ | |
2627 tnp->tn_tags = vim_strsave((*curbuf->b_p_tags != NUL) | |
2628 ? curbuf->b_p_tags : p_tags); | |
2629 if (tnp->tn_tags == NULL) | |
2630 return FAIL; | |
2631 tnp->tn_np = tnp->tn_tags; | |
7 | 2632 } |
692 | 2633 |
2634 /* | |
2635 * Loop until we have found a file name that can be used. | |
2636 * There are two states: | |
2637 * tnp->tn_did_filefind_init == FALSE: setup for next part in 'tags'. | |
2638 * tnp->tn_did_filefind_init == TRUE: find next file in this part. | |
2639 */ | |
2640 for (;;) | |
7 | 2641 { |
692 | 2642 if (tnp->tn_did_filefind_init) |
7 | 2643 { |
692 | 2644 fname = vim_findfile(tnp->tn_search_ctx); |
2645 if (fname != NULL) | |
2646 break; | |
2647 | |
2648 tnp->tn_did_filefind_init = FALSE; | |
2649 } | |
2650 else | |
2651 { | |
2652 char_u *filename = NULL; | |
2653 | |
2654 /* Stop when used all parts of 'tags'. */ | |
2655 if (*tnp->tn_np == NUL) | |
7 | 2656 { |
692 | 2657 vim_findfile_cleanup(tnp->tn_search_ctx); |
2658 tnp->tn_search_ctx = NULL; | |
2659 return FAIL; | |
7 | 2660 } |
692 | 2661 |
2662 /* | |
2663 * Copy next file name into buf. | |
2664 */ | |
2665 buf[0] = NUL; | |
2666 (void)copy_option_part(&tnp->tn_np, buf, MAXPATHL - 1, " ,"); | |
7 | 2667 |
2668 #ifdef FEAT_PATH_EXTRA | |
692 | 2669 r_ptr = vim_findfile_stopdir(buf); |
7 | 2670 #else |
692 | 2671 r_ptr = NULL; |
7 | 2672 #endif |
692 | 2673 /* move the filename one char forward and truncate the |
2674 * filepath with a NUL */ | |
2675 filename = gettail(buf); | |
1620 | 2676 STRMOVE(filename + 1, filename); |
692 | 2677 *filename++ = NUL; |
2678 | |
2679 tnp->tn_search_ctx = vim_findfile_init(buf, filename, | |
2680 r_ptr, 100, | |
1541 | 2681 FALSE, /* don't free visited list */ |
2682 FINDFILE_FILE, /* we search for a file */ | |
692 | 2683 tnp->tn_search_ctx, TRUE, curbuf->b_ffname); |
2684 if (tnp->tn_search_ctx != NULL) | |
2685 tnp->tn_did_filefind_init = TRUE; | |
7 | 2686 } |
2687 } | |
2688 | |
692 | 2689 STRCPY(buf, fname); |
2690 vim_free(fname); | |
7 | 2691 return OK; |
2692 } | |
2693 | |
2694 /* | |
692 | 2695 * Free the contents of a tagname_T that was filled by get_tagfname(). |
2696 */ | |
2697 void | |
2698 tagname_free(tnp) | |
2699 tagname_T *tnp; | |
2700 { | |
2701 vim_free(tnp->tn_tags); | |
2702 vim_findfile_cleanup(tnp->tn_search_ctx); | |
1541 | 2703 tnp->tn_search_ctx = NULL; |
692 | 2704 ga_clear_strings(&tag_fnames); |
2705 } | |
2706 | |
2707 /* | |
7 | 2708 * Parse one line from the tags file. Find start/end of tag name, start/end of |
2709 * file name and start of search pattern. | |
2710 * | |
2711 * If is_etag is TRUE, tagp->fname and tagp->fname_end are not set. | |
2712 * | |
2713 * Return FAIL if there is a format error in this line, OK otherwise. | |
2714 */ | |
2715 static int | |
2716 parse_tag_line(lbuf, | |
2717 #ifdef FEAT_EMACS_TAGS | |
2718 is_etag, | |
2719 #endif | |
2720 tagp) | |
2721 char_u *lbuf; /* line to be parsed */ | |
2722 #ifdef FEAT_EMACS_TAGS | |
2723 int is_etag; | |
2724 #endif | |
2725 tagptrs_T *tagp; | |
2726 { | |
2727 char_u *p; | |
2728 | |
2729 #ifdef FEAT_EMACS_TAGS | |
2730 char_u *p_7f; | |
2731 | |
2732 if (is_etag) | |
2733 { | |
2734 /* | |
2735 * There are two formats for an emacs tag line: | |
2736 * 1: struct EnvBase ^?EnvBase^A139,4627 | |
2737 * 2: #define ARPB_WILD_WORLD ^?153,5194 | |
2738 */ | |
2739 p_7f = vim_strchr(lbuf, 0x7f); | |
2740 if (p_7f == NULL) | |
1770 | 2741 { |
2742 etag_fail: | |
2743 if (vim_strchr(lbuf, '\n') == NULL) | |
2744 { | |
2745 /* Truncated line. Ignore it. */ | |
2746 if (p_verbose >= 5) | |
2747 { | |
2748 verbose_enter(); | |
2749 MSG(_("Ignoring long line in tags file")); | |
2750 verbose_leave(); | |
2751 } | |
2752 tagp->command = lbuf; | |
2753 tagp->tagname = lbuf; | |
2754 tagp->tagname_end = lbuf; | |
2755 return OK; | |
2756 } | |
7 | 2757 return FAIL; |
1770 | 2758 } |
7 | 2759 |
2760 /* Find ^A. If not found the line number is after the 0x7f */ | |
2761 p = vim_strchr(p_7f, Ctrl_A); | |
2762 if (p == NULL) | |
2763 p = p_7f + 1; | |
2764 else | |
2765 ++p; | |
2766 | |
2767 if (!VIM_ISDIGIT(*p)) /* check for start of line number */ | |
1770 | 2768 goto etag_fail; |
7 | 2769 tagp->command = p; |
2770 | |
2771 | |
2772 if (p[-1] == Ctrl_A) /* first format: explicit tagname given */ | |
2773 { | |
2774 tagp->tagname = p_7f + 1; | |
2775 tagp->tagname_end = p - 1; | |
2776 } | |
2777 else /* second format: isolate tagname */ | |
2778 { | |
2779 /* find end of tagname */ | |
2780 for (p = p_7f - 1; !vim_iswordc(*p); --p) | |
2781 if (p == lbuf) | |
1770 | 2782 goto etag_fail; |
7 | 2783 tagp->tagname_end = p + 1; |
2784 while (p >= lbuf && vim_iswordc(*p)) | |
2785 --p; | |
2786 tagp->tagname = p + 1; | |
2787 } | |
2788 } | |
2789 else /* not an Emacs tag */ | |
2790 { | |
2791 #endif | |
2792 /* Isolate the tagname, from lbuf up to the first white */ | |
2793 tagp->tagname = lbuf; | |
2794 #ifdef FEAT_TAG_ANYWHITE | |
2795 p = skiptowhite(lbuf); | |
2796 #else | |
2797 p = vim_strchr(lbuf, TAB); | |
2798 if (p == NULL) | |
2799 return FAIL; | |
2800 #endif | |
2801 tagp->tagname_end = p; | |
2802 | |
2803 /* Isolate file name, from first to second white space */ | |
2804 #ifdef FEAT_TAG_ANYWHITE | |
2805 p = skipwhite(p); | |
2806 #else | |
2807 if (*p != NUL) | |
2808 ++p; | |
2809 #endif | |
2810 tagp->fname = p; | |
2811 #ifdef FEAT_TAG_ANYWHITE | |
2812 p = skiptowhite(p); | |
2813 #else | |
2814 p = vim_strchr(p, TAB); | |
2815 if (p == NULL) | |
2816 return FAIL; | |
2817 #endif | |
2818 tagp->fname_end = p; | |
2819 | |
2820 /* find start of search command, after second white space */ | |
2821 #ifdef FEAT_TAG_ANYWHITE | |
2822 p = skipwhite(p); | |
2823 #else | |
2824 if (*p != NUL) | |
2825 ++p; | |
2826 #endif | |
2827 if (*p == NUL) | |
2828 return FAIL; | |
2829 tagp->command = p; | |
2830 #ifdef FEAT_EMACS_TAGS | |
2831 } | |
2832 #endif | |
2833 | |
2834 return OK; | |
2835 } | |
2836 | |
2837 /* | |
2838 * Check if tagname is a static tag | |
2839 * | |
2840 * Static tags produced by the older ctags program have the format: | |
2841 * 'file:tag file /pattern'. | |
1204 | 2842 * This is only recognized when both occurrence of 'file' are the same, to |
7 | 2843 * avoid recognizing "string::string" or ":exit". |
2844 * | |
2845 * Static tags produced by the new ctags program have the format: | |
2846 * 'tag file /pattern/;"<Tab>file:' " | |
2847 * | |
2848 * Return TRUE if it is a static tag and adjust *tagname to the real tag. | |
2849 * Return FALSE if it is not a static tag. | |
2850 */ | |
2851 static int | |
2852 test_for_static(tagp) | |
2853 tagptrs_T *tagp; | |
2854 { | |
2855 char_u *p; | |
2856 | |
2857 #ifdef FEAT_TAG_OLDSTATIC | |
2858 int len; | |
2859 | |
2860 /* | |
2861 * Check for old style static tag: "file:tag file .." | |
2862 */ | |
2863 len = (int)(tagp->fname_end - tagp->fname); | |
2864 p = tagp->tagname + len; | |
2865 if ( p < tagp->tagname_end | |
2866 && *p == ':' | |
2867 && fnamencmp(tagp->tagname, tagp->fname, len) == 0) | |
2868 { | |
2869 tagp->tagname = p + 1; | |
2870 return TRUE; | |
2871 } | |
2872 #endif | |
2873 | |
2874 /* | |
2875 * Check for new style static tag ":...<Tab>file:[<Tab>...]" | |
2876 */ | |
2877 p = tagp->command; | |
2878 while ((p = vim_strchr(p, '\t')) != NULL) | |
2879 { | |
2880 ++p; | |
2881 if (STRNCMP(p, "file:", 5) == 0) | |
2882 return TRUE; | |
2883 } | |
2884 | |
2885 return FALSE; | |
2886 } | |
2887 | |
2888 /* | |
2889 * Parse a line from a matching tag. Does not change the line itself. | |
2890 * | |
2891 * The line that we get looks like this: | |
2892 * Emacs tag: <mtt><tag_fname><NUL><ebuf><NUL><lbuf> | |
2893 * other tag: <mtt><tag_fname><NUL><NUL><lbuf> | |
2894 * without Emacs tags: <mtt><tag_fname><NUL><lbuf> | |
2895 * | |
2896 * Return OK or FAIL. | |
2897 */ | |
2898 static int | |
2899 parse_match(lbuf, tagp) | |
2900 char_u *lbuf; /* input: matching line */ | |
2901 tagptrs_T *tagp; /* output: pointers into the line */ | |
2902 { | |
2903 int retval; | |
2904 char_u *p; | |
2905 char_u *pc, *pt; | |
2906 | |
2907 tagp->tag_fname = lbuf + 1; | |
2908 lbuf += STRLEN(tagp->tag_fname) + 2; | |
2909 #ifdef FEAT_EMACS_TAGS | |
2910 if (*lbuf) | |
2911 { | |
2912 tagp->is_etag = TRUE; | |
2913 tagp->fname = lbuf; | |
2914 lbuf += STRLEN(lbuf); | |
2915 tagp->fname_end = lbuf++; | |
2916 } | |
2917 else | |
2918 { | |
2919 tagp->is_etag = FALSE; | |
2920 ++lbuf; | |
2921 } | |
2922 #endif | |
2923 | |
2924 /* Find search pattern and the file name for non-etags. */ | |
2925 retval = parse_tag_line(lbuf, | |
2926 #ifdef FEAT_EMACS_TAGS | |
2927 tagp->is_etag, | |
2928 #endif | |
2929 tagp); | |
2930 | |
2931 tagp->tagkind = NULL; | |
2932 tagp->command_end = NULL; | |
2933 | |
2934 if (retval == OK) | |
2935 { | |
2936 /* Try to find a kind field: "kind:<kind>" or just "<kind>"*/ | |
2937 p = tagp->command; | |
2938 if (find_extra(&p) == OK) | |
2939 { | |
2940 tagp->command_end = p; | |
2941 p += 2; /* skip ";\"" */ | |
2942 if (*p++ == TAB) | |
2943 while (ASCII_ISALPHA(*p)) | |
2944 { | |
2945 if (STRNCMP(p, "kind:", 5) == 0) | |
2946 { | |
2947 tagp->tagkind = p + 5; | |
2948 break; | |
2949 } | |
2950 pc = vim_strchr(p, ':'); | |
2951 pt = vim_strchr(p, '\t'); | |
2952 if (pc == NULL || (pt != NULL && pc > pt)) | |
2953 { | |
2954 tagp->tagkind = p; | |
2955 break; | |
2956 } | |
2957 if (pt == NULL) | |
2958 break; | |
2959 p = pt + 1; | |
2960 } | |
2961 } | |
2962 if (tagp->tagkind != NULL) | |
2963 { | |
2964 for (p = tagp->tagkind; | |
2965 *p && *p != '\t' && *p != '\r' && *p != '\n'; ++p) | |
2966 ; | |
2967 tagp->tagkind_end = p; | |
2968 } | |
2969 } | |
2970 return retval; | |
2971 } | |
2972 | |
2973 /* | |
2974 * Find out the actual file name of a tag. Concatenate the tags file name | |
2975 * with the matching tag file name. | |
2976 * Returns an allocated string or NULL (out of memory). | |
2977 */ | |
2978 static char_u * | |
2979 tag_full_fname(tagp) | |
2980 tagptrs_T *tagp; | |
2981 { | |
2982 char_u *fullname; | |
2983 int c; | |
2984 | |
2985 #ifdef FEAT_EMACS_TAGS | |
2986 if (tagp->is_etag) | |
2987 c = 0; /* to shut up GCC */ | |
2988 else | |
2989 #endif | |
2990 { | |
2991 c = *tagp->fname_end; | |
2992 *tagp->fname_end = NUL; | |
2993 } | |
2994 fullname = expand_tag_fname(tagp->fname, tagp->tag_fname, FALSE); | |
2995 | |
2996 #ifdef FEAT_EMACS_TAGS | |
2997 if (!tagp->is_etag) | |
2998 #endif | |
2999 *tagp->fname_end = c; | |
3000 | |
3001 return fullname; | |
3002 } | |
3003 | |
3004 /* | |
3005 * Jump to a tag that has been found in one of the tag files | |
3006 * | |
3007 * returns OK for success, NOTAGFILE when file not found, FAIL otherwise. | |
3008 */ | |
3009 static int | |
3010 jumpto_tag(lbuf, forceit, keep_help) | |
3011 char_u *lbuf; /* line from the tags file for this tag */ | |
3012 int forceit; /* :ta with ! */ | |
3013 int keep_help; /* keep help flag (FALSE for cscope) */ | |
3014 { | |
3015 int save_secure; | |
3016 int save_magic; | |
3017 int save_p_ws, save_p_scs, save_p_ic; | |
3018 linenr_T save_lnum; | |
3019 int csave = 0; | |
3020 char_u *str; | |
3021 char_u *pbuf; /* search pattern buffer */ | |
3022 char_u *pbuf_end; | |
3023 char_u *tofree_fname = NULL; | |
3024 char_u *fname; | |
3025 tagptrs_T tagp; | |
3026 int retval = FAIL; | |
3027 int getfile_result; | |
3028 int search_options; | |
3029 #ifdef FEAT_SEARCH_EXTRA | |
3030 int save_no_hlsearch; | |
3031 #endif | |
3032 #if defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX) | |
3033 win_T *curwin_save = NULL; | |
3034 #endif | |
3035 char_u *full_fname = NULL; | |
3036 #ifdef FEAT_FOLDING | |
3037 int old_KeyTyped = KeyTyped; /* getting the file may reset it */ | |
3038 #endif | |
3039 | |
3040 pbuf = alloc(LSIZE); | |
3041 | |
3042 /* parse the match line into the tagp structure */ | |
3043 if (pbuf == NULL || parse_match(lbuf, &tagp) == FAIL) | |
3044 { | |
3045 tagp.fname_end = NULL; | |
3046 goto erret; | |
3047 } | |
3048 | |
3049 /* truncate the file name, so it can be used as a string */ | |
3050 csave = *tagp.fname_end; | |
3051 *tagp.fname_end = NUL; | |
3052 fname = tagp.fname; | |
3053 | |
3054 /* copy the command to pbuf[], remove trailing CR/NL */ | |
3055 str = tagp.command; | |
3056 for (pbuf_end = pbuf; *str && *str != '\n' && *str != '\r'; ) | |
3057 { | |
3058 #ifdef FEAT_EMACS_TAGS | |
3059 if (tagp.is_etag && *str == ',')/* stop at ',' after line number */ | |
3060 break; | |
3061 #endif | |
3062 *pbuf_end++ = *str++; | |
3063 } | |
3064 *pbuf_end = NUL; | |
3065 | |
3066 #ifdef FEAT_EMACS_TAGS | |
3067 if (!tagp.is_etag) | |
3068 #endif | |
3069 { | |
3070 /* | |
3071 * Remove the "<Tab>fieldname:value" stuff; we don't need it here. | |
3072 */ | |
3073 str = pbuf; | |
3074 if (find_extra(&str) == OK) | |
3075 { | |
3076 pbuf_end = str; | |
3077 *pbuf_end = NUL; | |
3078 } | |
3079 } | |
3080 | |
3081 /* | |
3082 * Expand file name, when needed (for environment variables). | |
3083 * If 'tagrelative' option set, may change file name. | |
3084 */ | |
3085 fname = expand_tag_fname(fname, tagp.tag_fname, TRUE); | |
3086 if (fname == NULL) | |
3087 goto erret; | |
3088 tofree_fname = fname; /* free() it later */ | |
3089 | |
3090 /* | |
3091 * Check if the file with the tag exists before abandoning the current | |
3092 * file. Also accept a file name for which there is a matching BufReadCmd | |
3093 * autocommand event (e.g., http://sys/file). | |
3094 */ | |
3095 if (mch_getperm(fname) < 0 | |
3096 #ifdef FEAT_AUTOCMD | |
40 | 3097 && !has_autocmd(EVENT_BUFREADCMD, fname, NULL) |
7 | 3098 #endif |
3099 ) | |
3100 { | |
3101 retval = NOTAGFILE; | |
3102 vim_free(nofile_fname); | |
3103 nofile_fname = vim_strsave(fname); | |
3104 if (nofile_fname == NULL) | |
3105 nofile_fname = empty_option; | |
3106 goto erret; | |
3107 } | |
3108 | |
3109 ++RedrawingDisabled; | |
3110 | |
3111 #ifdef FEAT_GUI | |
3112 need_mouse_correct = TRUE; | |
3113 #endif | |
3114 | |
3115 #if defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX) | |
3116 if (g_do_tagpreview) | |
3117 { | |
728 | 3118 postponed_split = 0; /* don't split again below */ |
3119 curwin_save = curwin; /* Save current window */ | |
3120 | |
7 | 3121 /* |
3122 * If we are reusing a window, we may change dir when | |
3123 * entering it (autocommands) so turn the tag filename | |
3124 * into a fullpath | |
3125 */ | |
3126 if (!curwin->w_p_pvw) | |
3127 { | |
3128 full_fname = FullName_save(fname, FALSE); | |
3129 fname = full_fname; | |
3130 | |
3131 /* | |
3132 * Make the preview window the current window. | |
3133 * Open a preview window when needed. | |
3134 */ | |
816 | 3135 prepare_tagpreview(TRUE); |
7 | 3136 } |
3137 } | |
3138 | |
682 | 3139 /* If it was a CTRL-W CTRL-] command split window now. For ":tab tag" |
3140 * open a new tab page. */ | |
3141 if (postponed_split || cmdmod.tab != 0) | |
7 | 3142 { |
3143 win_split(postponed_split > 0 ? postponed_split : 0, | |
3144 postponed_split_flags); | |
3145 # ifdef FEAT_SCROLLBIND | |
3146 curwin->w_p_scb = FALSE; | |
3147 # endif | |
3148 } | |
3149 #endif | |
3150 | |
3151 if (keep_help) | |
3152 { | |
3153 /* A :ta from a help file will keep the b_help flag set. For ":ptag" | |
3154 * we need to use the flag from the window where we came from. */ | |
3155 #if defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX) | |
3156 if (g_do_tagpreview) | |
3157 keep_help_flag = curwin_save->w_buffer->b_help; | |
3158 else | |
3159 #endif | |
3160 keep_help_flag = curbuf->b_help; | |
3161 } | |
3162 getfile_result = getfile(0, fname, NULL, TRUE, (linenr_T)0, forceit); | |
3163 keep_help_flag = FALSE; | |
3164 | |
3165 if (getfile_result <= 0) /* got to the right file */ | |
3166 { | |
3167 curwin->w_set_curswant = TRUE; | |
3168 #ifdef FEAT_WINDOWS | |
3169 postponed_split = 0; | |
3170 #endif | |
3171 | |
3172 save_secure = secure; | |
3173 secure = 1; | |
3174 #ifdef HAVE_SANDBOX | |
3175 ++sandbox; | |
3176 #endif | |
3177 save_magic = p_magic; | |
3178 p_magic = FALSE; /* always execute with 'nomagic' */ | |
3179 #ifdef FEAT_SEARCH_EXTRA | |
3180 /* Save value of no_hlsearch, jumping to a tag is not a real search */ | |
3181 save_no_hlsearch = no_hlsearch; | |
3182 #endif | |
3183 | |
3184 /* | |
3185 * If 'cpoptions' contains 't', store the search pattern for the "n" | |
3186 * command. If 'cpoptions' does not contain 't', the search pattern | |
3187 * is not stored. | |
3188 */ | |
3189 if (vim_strchr(p_cpo, CPO_TAGPAT) != NULL) | |
3190 search_options = 0; | |
3191 else | |
3192 search_options = SEARCH_KEEP; | |
3193 | |
3194 /* | |
3195 * If the command is a search, try here. | |
3196 * | |
3197 * Reset 'smartcase' for the search, since the search pattern was not | |
3198 * typed by the user. | |
3199 * Only use do_search() when there is a full search command, without | |
3200 * anything following. | |
3201 */ | |
3202 str = pbuf; | |
3203 if (pbuf[0] == '/' || pbuf[0] == '?') | |
3204 str = skip_regexp(pbuf + 1, pbuf[0], FALSE, NULL) + 1; | |
3205 if (str > pbuf_end - 1) /* search command with nothing following */ | |
3206 { | |
3207 save_p_ws = p_ws; | |
3208 save_p_ic = p_ic; | |
3209 save_p_scs = p_scs; | |
3210 p_ws = TRUE; /* need 'wrapscan' for backward searches */ | |
3211 p_ic = FALSE; /* don't ignore case now */ | |
3212 p_scs = FALSE; | |
3213 #if 0 /* disabled for now */ | |
3214 #ifdef FEAT_CMDHIST | |
3215 /* put pattern in search history */ | |
3216 add_to_history(HIST_SEARCH, pbuf + 1, TRUE, pbuf[0]); | |
3217 #endif | |
3218 #endif | |
3219 save_lnum = curwin->w_cursor.lnum; | |
3220 curwin->w_cursor.lnum = 0; /* start search before first line */ | |
1521 | 3221 if (do_search(NULL, pbuf[0], pbuf + 1, (long)1, |
3222 search_options, NULL)) | |
7 | 3223 retval = OK; |
3224 else | |
3225 { | |
3226 int found = 1; | |
3227 int cc; | |
3228 | |
3229 /* | |
3230 * try again, ignore case now | |
3231 */ | |
3232 p_ic = TRUE; | |
3233 if (!do_search(NULL, pbuf[0], pbuf + 1, (long)1, | |
1521 | 3234 search_options, NULL)) |
7 | 3235 { |
3236 /* | |
3237 * Failed to find pattern, take a guess: "^func (" | |
3238 */ | |
3239 found = 2; | |
3240 (void)test_for_static(&tagp); | |
3241 cc = *tagp.tagname_end; | |
3242 *tagp.tagname_end = NUL; | |
3243 sprintf((char *)pbuf, "^%s\\s\\*(", tagp.tagname); | |
1521 | 3244 if (!do_search(NULL, '/', pbuf, (long)1, |
3245 search_options, NULL)) | |
7 | 3246 { |
3247 /* Guess again: "^char * \<func (" */ | |
3248 sprintf((char *)pbuf, "^\\[#a-zA-Z_]\\.\\*\\<%s\\s\\*(", | |
3249 tagp.tagname); | |
3250 if (!do_search(NULL, '/', pbuf, (long)1, | |
1521 | 3251 search_options, NULL)) |
7 | 3252 found = 0; |
3253 } | |
3254 *tagp.tagname_end = cc; | |
3255 } | |
3256 if (found == 0) | |
3257 { | |
3258 EMSG(_("E434: Can't find tag pattern")); | |
3259 curwin->w_cursor.lnum = save_lnum; | |
3260 } | |
3261 else | |
3262 { | |
3263 /* | |
3264 * Only give a message when really guessed, not when 'ic' | |
3265 * is set and match found while ignoring case. | |
3266 */ | |
3267 if (found == 2 || !save_p_ic) | |
3268 { | |
3269 MSG(_("E435: Couldn't find tag, just guessing!")); | |
3270 if (!msg_scrolled && msg_silent == 0) | |
3271 { | |
3272 out_flush(); | |
3273 ui_delay(1000L, TRUE); | |
3274 } | |
3275 } | |
3276 retval = OK; | |
3277 } | |
3278 } | |
3279 p_ws = save_p_ws; | |
3280 p_ic = save_p_ic; | |
3281 p_scs = save_p_scs; | |
3282 | |
3283 /* A search command may have positioned the cursor beyond the end | |
3284 * of the line. May need to correct that here. */ | |
3285 check_cursor(); | |
3286 } | |
3287 else | |
3288 { | |
3289 curwin->w_cursor.lnum = 1; /* start command in line 1 */ | |
3290 do_cmdline_cmd(pbuf); | |
3291 retval = OK; | |
3292 } | |
3293 | |
3294 /* | |
3295 * When the command has done something that is not allowed make sure | |
3296 * the error message can be seen. | |
3297 */ | |
3298 if (secure == 2) | |
3299 wait_return(TRUE); | |
3300 secure = save_secure; | |
3301 p_magic = save_magic; | |
3302 #ifdef HAVE_SANDBOX | |
3303 --sandbox; | |
3304 #endif | |
3305 #ifdef FEAT_SEARCH_EXTRA | |
3306 /* restore no_hlsearch when keeping the old search pattern */ | |
3307 if (search_options) | |
3308 no_hlsearch = save_no_hlsearch; | |
3309 #endif | |
3310 | |
3311 /* Return OK if jumped to another file (at least we found the file!). */ | |
3312 if (getfile_result == -1) | |
3313 retval = OK; | |
3314 | |
3315 if (retval == OK) | |
3316 { | |
3317 /* | |
3318 * For a help buffer: Put the cursor line at the top of the window, | |
3319 * the help subject will be below it. | |
3320 */ | |
3321 if (curbuf->b_help) | |
3322 set_topline(curwin, curwin->w_cursor.lnum); | |
3323 #ifdef FEAT_FOLDING | |
3324 if ((fdo_flags & FDO_TAG) && old_KeyTyped) | |
3325 foldOpenCursor(); | |
3326 #endif | |
3327 } | |
3328 | |
3329 #if defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX) | |
3330 if (g_do_tagpreview && curwin != curwin_save && win_valid(curwin_save)) | |
3331 { | |
3332 /* Return cursor to where we were */ | |
3333 validate_cursor(); | |
3334 redraw_later(VALID); | |
3335 win_enter(curwin_save, TRUE); | |
3336 } | |
3337 #endif | |
3338 | |
3339 --RedrawingDisabled; | |
3340 } | |
3341 else | |
3342 { | |
3343 --RedrawingDisabled; | |
3344 #ifdef FEAT_WINDOWS | |
3345 if (postponed_split) /* close the window */ | |
3346 { | |
3347 win_close(curwin, FALSE); | |
3348 postponed_split = 0; | |
3349 } | |
3350 #endif | |
3351 } | |
3352 | |
3353 erret: | |
3354 #if defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX) | |
3355 g_do_tagpreview = 0; /* For next time */ | |
3356 #endif | |
3357 if (tagp.fname_end != NULL) | |
3358 *tagp.fname_end = csave; | |
3359 vim_free(pbuf); | |
3360 vim_free(tofree_fname); | |
3361 vim_free(full_fname); | |
3362 | |
3363 return retval; | |
3364 } | |
3365 | |
3366 /* | |
3367 * If "expand" is TRUE, expand wildcards in fname. | |
3368 * If 'tagrelative' option set, change fname (name of file containing tag) | |
3369 * according to tag_fname (name of tag file containing fname). | |
3370 * Returns a pointer to allocated memory (or NULL when out of memory). | |
3371 */ | |
3372 static char_u * | |
3373 expand_tag_fname(fname, tag_fname, expand) | |
3374 char_u *fname; | |
3375 char_u *tag_fname; | |
3376 int expand; | |
3377 { | |
3378 char_u *p; | |
3379 char_u *retval; | |
3380 char_u *expanded_fname = NULL; | |
3381 expand_T xpc; | |
3382 | |
3383 /* | |
3384 * Expand file name (for environment variables) when needed. | |
3385 */ | |
3386 if (expand && mch_has_wildcard(fname)) | |
3387 { | |
3388 ExpandInit(&xpc); | |
3389 xpc.xp_context = EXPAND_FILES; | |
3390 expanded_fname = ExpandOne(&xpc, (char_u *)fname, NULL, | |
3391 WILD_LIST_NOTFOUND|WILD_SILENT, WILD_EXPAND_FREE); | |
3392 if (expanded_fname != NULL) | |
3393 fname = expanded_fname; | |
3394 } | |
3395 | |
3396 if ((p_tr || curbuf->b_help) | |
3397 && !vim_isAbsName(fname) | |
3398 && (p = gettail(tag_fname)) != tag_fname) | |
3399 { | |
3400 retval = alloc(MAXPATHL); | |
3401 if (retval != NULL) | |
3402 { | |
3403 STRCPY(retval, tag_fname); | |
418 | 3404 vim_strncpy(retval + (p - tag_fname), fname, |
3405 MAXPATHL - (p - tag_fname) - 1); | |
7 | 3406 /* |
3407 * Translate names like "src/a/../b/file.c" into "src/b/file.c". | |
3408 */ | |
3409 simplify_filename(retval); | |
3410 } | |
3411 } | |
3412 else | |
3413 retval = vim_strsave(fname); | |
3414 | |
3415 vim_free(expanded_fname); | |
3416 | |
3417 return retval; | |
3418 } | |
3419 | |
3420 /* | |
3421 * Converts a file name into a canonical form. It simplifies a file name into | |
3422 * its simplest form by stripping out unneeded components, if any. The | |
3423 * resulting file name is simplified in place and will either be the same | |
3424 * length as that supplied, or shorter. | |
3425 */ | |
3426 void | |
3427 simplify_filename(filename) | |
3428 char_u *filename; | |
3429 { | |
3430 #ifndef AMIGA /* Amiga doesn't have "..", it uses "/" */ | |
3431 int components = 0; | |
3432 char_u *p, *tail, *start; | |
3433 int stripping_disabled = FALSE; | |
3434 int relative = TRUE; | |
3435 | |
3436 p = filename; | |
3437 #ifdef BACKSLASH_IN_FILENAME | |
3438 if (p[1] == ':') /* skip "x:" */ | |
3439 p += 2; | |
3440 #endif | |
3441 | |
3442 if (vim_ispathsep(*p)) | |
3443 { | |
3444 relative = FALSE; | |
3445 do | |
3446 ++p; | |
3447 while (vim_ispathsep(*p)); | |
3448 } | |
3449 start = p; /* remember start after "c:/" or "/" or "///" */ | |
3450 | |
3451 do | |
3452 { | |
3453 /* At this point "p" is pointing to the char following a single "/" | |
3454 * or "p" is at the "start" of the (absolute or relative) path name. */ | |
3455 #ifdef VMS | |
3456 /* VMS allows device:[path] - don't strip the [ in directory */ | |
3457 if ((*p == '[' || *p == '<') && p > filename && p[-1] == ':') | |
3458 { | |
3459 /* :[ or :< composition: vms directory component */ | |
3460 ++components; | |
3461 p = getnextcomp(p + 1); | |
3462 } | |
3463 /* allow remote calls as host"user passwd"::device:[path] */ | |
3464 else if (p[0] == ':' && p[1] == ':' && p > filename && p[-1] == '"' ) | |
3465 { | |
3466 /* ":: composition: vms host/passwd component */ | |
3467 ++components; | |
3468 p = getnextcomp(p + 2); | |
3469 } | |
3470 else | |
3471 #endif | |
3472 if (vim_ispathsep(*p)) | |
1620 | 3473 STRMOVE(p, p + 1); /* remove duplicate "/" */ |
7 | 3474 else if (p[0] == '.' && (vim_ispathsep(p[1]) || p[1] == NUL)) |
3475 { | |
3476 if (p == start && relative) | |
3477 p += 1 + (p[1] != NUL); /* keep single "." or leading "./" */ | |
3478 else | |
3479 { | |
3480 /* Strip "./" or ".///". If we are at the end of the file name | |
3481 * and there is no trailing path separator, either strip "/." if | |
3482 * we are after "start", or strip "." if we are at the beginning | |
3483 * of an absolute path name . */ | |
3484 tail = p + 1; | |
3485 if (p[1] != NUL) | |
3486 while (vim_ispathsep(*tail)) | |
39 | 3487 mb_ptr_adv(tail); |
7 | 3488 else if (p > start) |
3489 --p; /* strip preceding path separator */ | |
1620 | 3490 STRMOVE(p, tail); |
7 | 3491 } |
3492 } | |
3493 else if (p[0] == '.' && p[1] == '.' && | |
3494 (vim_ispathsep(p[2]) || p[2] == NUL)) | |
3495 { | |
3496 /* Skip to after ".." or "../" or "..///". */ | |
3497 tail = p + 2; | |
3498 while (vim_ispathsep(*tail)) | |
39 | 3499 mb_ptr_adv(tail); |
7 | 3500 |
3501 if (components > 0) /* strip one preceding component */ | |
3502 { | |
3503 int do_strip = FALSE; | |
3504 char_u saved_char; | |
3505 struct stat st; | |
3506 | |
3507 /* Don't strip for an erroneous file name. */ | |
3508 if (!stripping_disabled) | |
3509 { | |
3510 /* If the preceding component does not exist in the file | |
3511 * system, we strip it. On Unix, we don't accept a symbolic | |
3512 * link that refers to a non-existent file. */ | |
3513 saved_char = p[-1]; | |
3514 p[-1] = NUL; | |
3515 #ifdef UNIX | |
3516 if (mch_lstat((char *)filename, &st) < 0) | |
3517 #else | |
3518 if (mch_stat((char *)filename, &st) < 0) | |
3519 #endif | |
3520 do_strip = TRUE; | |
3521 p[-1] = saved_char; | |
3522 | |
3523 --p; | |
3524 /* Skip back to after previous '/'. */ | |
39 | 3525 while (p > start && !after_pathsep(start, p)) |
3526 mb_ptr_back(start, p); | |
7 | 3527 |
3528 if (!do_strip) | |
3529 { | |
3530 /* If the component exists in the file system, check | |
3531 * that stripping it won't change the meaning of the | |
3532 * file name. First get information about the | |
3533 * unstripped file name. This may fail if the component | |
3534 * to strip is not a searchable directory (but a regular | |
3535 * file, for instance), since the trailing "/.." cannot | |
3536 * be applied then. We don't strip it then since we | |
3537 * don't want to replace an erroneous file name by | |
3538 * a valid one, and we disable stripping of later | |
3539 * components. */ | |
3540 saved_char = *tail; | |
3541 *tail = NUL; | |
3542 if (mch_stat((char *)filename, &st) >= 0) | |
3543 do_strip = TRUE; | |
3544 else | |
3545 stripping_disabled = TRUE; | |
3546 *tail = saved_char; | |
3547 #ifdef UNIX | |
3548 if (do_strip) | |
3549 { | |
3550 struct stat new_st; | |
3551 | |
3552 /* On Unix, the check for the unstripped file name | |
3553 * above works also for a symbolic link pointing to | |
3554 * a searchable directory. But then the parent of | |
3555 * the directory pointed to by the link must be the | |
3556 * same as the stripped file name. (The latter | |
3557 * exists in the file system since it is the | |
3558 * component's parent directory.) */ | |
3559 if (p == start && relative) | |
3560 (void)mch_stat(".", &new_st); | |
3561 else | |
3562 { | |
3563 saved_char = *p; | |
3564 *p = NUL; | |
3565 (void)mch_stat((char *)filename, &new_st); | |
3566 *p = saved_char; | |
3567 } | |
3568 | |
3569 if (new_st.st_ino != st.st_ino || | |
3570 new_st.st_dev != st.st_dev) | |
3571 { | |
3572 do_strip = FALSE; | |
3573 /* We don't disable stripping of later | |
3574 * components since the unstripped path name is | |
3575 * still valid. */ | |
3576 } | |
3577 } | |
3578 #endif | |
3579 } | |
3580 } | |
3581 | |
3582 if (!do_strip) | |
3583 { | |
3584 /* Skip the ".." or "../" and reset the counter for the | |
3585 * components that might be stripped later on. */ | |
3586 p = tail; | |
3587 components = 0; | |
3588 } | |
3589 else | |
3590 { | |
3591 /* Strip previous component. If the result would get empty | |
3592 * and there is no trailing path separator, leave a single | |
3593 * "." instead. If we are at the end of the file name and | |
3594 * there is no trailing path separator and a preceding | |
3595 * component is left after stripping, strip its trailing | |
3596 * path separator as well. */ | |
3597 if (p == start && relative && tail[-1] == '.') | |
3598 { | |
3599 *p++ = '.'; | |
3600 *p = NUL; | |
3601 } | |
3602 else | |
3603 { | |
3604 if (p > start && tail[-1] == '.') | |
3605 --p; | |
1620 | 3606 STRMOVE(p, tail); /* strip previous component */ |
7 | 3607 } |
3608 | |
3609 --components; | |
3610 } | |
3611 } | |
3612 else if (p == start && !relative) /* leading "/.." or "/../" */ | |
1620 | 3613 STRMOVE(p, tail); /* strip ".." or "../" */ |
7 | 3614 else |
3615 { | |
3616 if (p == start + 2 && p[-2] == '.') /* leading "./../" */ | |
3617 { | |
1620 | 3618 STRMOVE(p - 2, p); /* strip leading "./" */ |
7 | 3619 tail -= 2; |
3620 } | |
3621 p = tail; /* skip to char after ".." or "../" */ | |
3622 } | |
3623 } | |
3624 else | |
3625 { | |
3626 ++components; /* simple path component */ | |
3627 p = getnextcomp(p); | |
3628 } | |
3629 } while (*p != NUL); | |
3630 #endif /* !AMIGA */ | |
3631 } | |
3632 | |
3633 /* | |
3634 * Check if we have a tag for the buffer with name "buf_ffname". | |
3635 * This is a bit slow, because of the full path compare in fullpathcmp(). | |
3636 * Return TRUE if tag for file "fname" if tag file "tag_fname" is for current | |
3637 * file. | |
3638 */ | |
3639 static int | |
3640 #ifdef FEAT_EMACS_TAGS | |
3641 test_for_current(is_etag, fname, fname_end, tag_fname, buf_ffname) | |
3642 int is_etag; | |
3643 #else | |
3644 test_for_current(fname, fname_end, tag_fname, buf_ffname) | |
3645 #endif | |
3646 char_u *fname; | |
3647 char_u *fname_end; | |
3648 char_u *tag_fname; | |
3649 char_u *buf_ffname; | |
3650 { | |
3651 int c; | |
3652 int retval = FALSE; | |
3653 char_u *fullname; | |
3654 | |
3655 if (buf_ffname != NULL) /* if the buffer has a name */ | |
3656 { | |
3657 #ifdef FEAT_EMACS_TAGS | |
3658 if (is_etag) | |
3659 c = 0; /* to shut up GCC */ | |
3660 else | |
3661 #endif | |
3662 { | |
3663 c = *fname_end; | |
3664 *fname_end = NUL; | |
3665 } | |
3666 fullname = expand_tag_fname(fname, tag_fname, TRUE); | |
3667 if (fullname != NULL) | |
3668 { | |
3669 retval = (fullpathcmp(fullname, buf_ffname, TRUE) & FPC_SAME); | |
3670 vim_free(fullname); | |
3671 } | |
3672 #ifdef FEAT_EMACS_TAGS | |
3673 if (!is_etag) | |
3674 #endif | |
3675 *fname_end = c; | |
3676 } | |
3677 | |
3678 return retval; | |
3679 } | |
3680 | |
3681 /* | |
3682 * Find the end of the tagaddress. | |
3683 * Return OK if ";\"" is following, FAIL otherwise. | |
3684 */ | |
3685 static int | |
3686 find_extra(pp) | |
3687 char_u **pp; | |
3688 { | |
3689 char_u *str = *pp; | |
3690 | |
3691 /* Repeat for addresses separated with ';' */ | |
3692 for (;;) | |
3693 { | |
3694 if (VIM_ISDIGIT(*str)) | |
3695 str = skipdigits(str); | |
3696 else if (*str == '/' || *str == '?') | |
3697 { | |
3698 str = skip_regexp(str + 1, *str, FALSE, NULL); | |
3699 if (*str != **pp) | |
3700 str = NULL; | |
3701 else | |
3702 ++str; | |
3703 } | |
3704 else | |
3705 str = NULL; | |
3706 if (str == NULL || *str != ';' | |
3707 || !(VIM_ISDIGIT(str[1]) || str[1] == '/' || str[1] == '?')) | |
3708 break; | |
3709 ++str; /* skip ';' */ | |
3710 } | |
3711 | |
3712 if (str != NULL && STRNCMP(str, ";\"", 2) == 0) | |
3713 { | |
3714 *pp = str; | |
3715 return OK; | |
3716 } | |
3717 return FAIL; | |
3718 } | |
3719 | |
3720 #if defined(FEAT_CMDL_COMPL) || defined(PROTO) | |
3721 int | |
3722 expand_tags(tagnames, pat, num_file, file) | |
3723 int tagnames; /* expand tag names */ | |
3724 char_u *pat; | |
3725 int *num_file; | |
3726 char_u ***file; | |
3727 { | |
3728 int i; | |
3729 int c; | |
3730 int tagnmflag; | |
3731 char_u tagnm[100]; | |
3732 tagptrs_T t_p; | |
3733 int ret; | |
3734 | |
3735 if (tagnames) | |
3736 tagnmflag = TAG_NAMES; | |
3737 else | |
3738 tagnmflag = 0; | |
3739 if (pat[0] == '/') | |
3740 ret = find_tags(pat + 1, num_file, file, | |
3741 TAG_REGEXP | tagnmflag | TAG_VERBOSE, | |
3742 TAG_MANY, curbuf->b_ffname); | |
3743 else | |
3744 ret = find_tags(pat, num_file, file, | |
3745 TAG_REGEXP | tagnmflag | TAG_VERBOSE | TAG_NOIC, | |
3746 TAG_MANY, curbuf->b_ffname); | |
3747 if (ret == OK && !tagnames) | |
3748 { | |
3749 /* Reorganize the tags for display and matching as strings of: | |
3750 * "<tagname>\0<kind>\0<filename>\0" | |
3751 */ | |
3752 for (i = 0; i < *num_file; i++) | |
3753 { | |
3754 parse_match((*file)[i], &t_p); | |
3755 c = (int)(t_p.tagname_end - t_p.tagname); | |
3756 mch_memmove(tagnm, t_p.tagname, (size_t)c); | |
3757 tagnm[c++] = 0; | |
3758 tagnm[c++] = (t_p.tagkind != NULL && *t_p.tagkind) | |
3759 ? *t_p.tagkind : 'f'; | |
3760 tagnm[c++] = 0; | |
3761 mch_memmove((*file)[i] + c, t_p.fname, t_p.fname_end - t_p.fname); | |
3762 (*file)[i][c + (t_p.fname_end - t_p.fname)] = 0; | |
3763 mch_memmove((*file)[i], tagnm, (size_t)c); | |
3764 } | |
3765 } | |
3766 return ret; | |
3767 } | |
3768 #endif | |
179 | 3769 |
3770 #if defined(FEAT_EVAL) || defined(PROTO) | |
3771 static int add_tag_field __ARGS((dict_T *dict, char *field_name, char_u *start, char_u *end)); | |
3772 | |
3773 /* | |
3774 * Add a tag field to the dictionary "dict" | |
3775 */ | |
3776 static int | |
3777 add_tag_field(dict, field_name, start, end) | |
3778 dict_T *dict; | |
3779 char *field_name; | |
211 | 3780 char_u *start; /* start of the value */ |
3781 char_u *end; /* after the value; can be NULL */ | |
179 | 3782 { |
3783 char_u buf[MAXPATHL]; | |
188 | 3784 int len = 0; |
179 | 3785 |
188 | 3786 if (start != NULL) |
3787 { | |
211 | 3788 if (end == NULL) |
3789 { | |
3790 end = start + STRLEN(start); | |
3791 while (end > start && (end[-1] == '\r' || end[-1] == '\n')) | |
3792 --end; | |
3793 } | |
835 | 3794 len = (int)(end - start); |
1883 | 3795 if (len > (int)sizeof(buf) - 1) |
188 | 3796 len = sizeof(buf) - 1; |
418 | 3797 vim_strncpy(buf, start, len); |
188 | 3798 } |
179 | 3799 buf[len] = NUL; |
3800 return dict_add_nr_str(dict, field_name, 0L, buf); | |
3801 } | |
3802 | |
3803 /* | |
3804 * Add the tags matching the specified pattern to the list "list" | |
3805 * as a dictionary | |
3806 */ | |
3807 int | |
3808 get_tags(list, pat) | |
3809 list_T *list; | |
3810 char_u *pat; | |
3811 { | |
3812 int num_matches, i, ret; | |
3813 char_u **matches, *p; | |
970 | 3814 char_u *full_fname; |
179 | 3815 dict_T *dict; |
3816 tagptrs_T tp; | |
3817 long is_static; | |
3818 | |
3819 ret = find_tags(pat, &num_matches, &matches, | |
3820 TAG_REGEXP | TAG_NOIC, (int)MAXCOL, NULL); | |
3821 if (ret == OK && num_matches > 0) | |
3822 { | |
3823 for (i = 0; i < num_matches; ++i) | |
3824 { | |
188 | 3825 parse_match(matches[i], &tp); |
3826 is_static = test_for_static(&tp); | |
3827 | |
3828 /* Skip pseudo-tag lines. */ | |
3829 if (STRNCMP(tp.tagname, "!_TAG_", 6) == 0) | |
3830 continue; | |
3831 | |
179 | 3832 if ((dict = dict_alloc()) == NULL) |
3833 ret = FAIL; | |
3834 if (list_append_dict(list, dict) == FAIL) | |
3835 ret = FAIL; | |
3836 | |
970 | 3837 full_fname = tag_full_fname(&tp); |
179 | 3838 if (add_tag_field(dict, "name", tp.tagname, tp.tagname_end) == FAIL |
970 | 3839 || add_tag_field(dict, "filename", full_fname, |
3840 NULL) == FAIL | |
179 | 3841 || add_tag_field(dict, "cmd", tp.command, |
3842 tp.command_end) == FAIL | |
3843 || add_tag_field(dict, "kind", tp.tagkind, | |
3844 tp.tagkind_end) == FAIL | |
3845 || dict_add_nr_str(dict, "static", is_static, NULL) == FAIL) | |
3846 ret = FAIL; | |
3847 | |
970 | 3848 vim_free(full_fname); |
3849 | |
179 | 3850 if (tp.command_end != NULL) |
3851 { | |
3852 for (p = tp.command_end + 3; | |
3853 *p != NUL && *p != '\n' && *p != '\r'; ++p) | |
3854 { | |
3855 if (p == tp.tagkind || (p + 5 == tp.tagkind | |
3856 && STRNCMP(p, "kind:", 5) == 0)) | |
3857 /* skip "kind:<kind>" and "<kind>" */ | |
3858 p = tp.tagkind_end - 1; | |
3859 else if (STRNCMP(p, "file:", 5) == 0) | |
3860 /* skip "file:" (static tag) */ | |
3861 p += 4; | |
188 | 3862 else if (!vim_iswhite(*p)) |
179 | 3863 { |
3864 char_u *s, *n; | |
188 | 3865 int len; |
179 | 3866 |
799 | 3867 /* Add extra field as a dict entry. Fields are |
3868 * separated by Tabs. */ | |
179 | 3869 n = p; |
799 | 3870 while (*p != NUL && *p >= ' ' && *p < 127 && *p != ':') |
179 | 3871 ++p; |
835 | 3872 len = (int)(p - n); |
188 | 3873 if (*p == ':' && len > 0) |
3874 { | |
3875 s = ++p; | |
836 | 3876 while (*p != NUL && *p >= ' ') |
188 | 3877 ++p; |
3878 n[len] = NUL; | |
3879 if (add_tag_field(dict, (char *)n, s, p) == FAIL) | |
3880 ret = FAIL; | |
3881 n[len] = ':'; | |
3882 } | |
836 | 3883 else |
3884 /* Skip field without colon. */ | |
3885 while (*p != NUL && *p >= ' ') | |
3886 ++p; | |
1674 | 3887 if (*p == NUL) |
3888 break; | |
179 | 3889 } |
3890 } | |
3891 } | |
3892 | |
3893 vim_free(matches[i]); | |
3894 } | |
3895 vim_free(matches); | |
3896 } | |
3897 return ret; | |
3898 } | |
3899 #endif |