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