Mercurial > vim
annotate src/tag.c @ 13068:63fdea6e9c6c v8.0.1409
patch 8.0.1409: buffer overflow in :tags command
commit https://github.com/vim/vim/commit/132f75255ecea17ff621f71236568c5d8d8e0163
Author: Bram Moolenaar <Bram@vim.org>
Date: Tue Dec 19 10:49:34 2017 +0100
patch 8.0.1409: buffer overflow in :tags command
Problem: Buffer overflow in :tags command.
Solution: Use vim_snprintf(). (Dominique Pelle, closes https://github.com/vim/vim/issues/2471, closes https://github.com/vim/vim/issues/2475)
Add a test.
| author | Christian Brabandt <cb@256bit.org> |
|---|---|
| date | Tue, 19 Dec 2017 11:00:06 +0100 |
| parents | 429bf1b9292f |
| children | b88fa651c824 |
| rev | line source |
|---|---|
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commit https://github.com/vim/vim/commit/edf3f97ae2af024708ebb4ac614227327033ca47
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1 /* vi:set ts=8 sts=4 sw=4 noet: |
| 7 | 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 #include "vim.h" | |
| 15 | |
| 16 /* | |
| 17 * Structure to hold pointers to various items in a tag line. | |
| 18 */ | |
| 19 typedef struct tag_pointers | |
| 20 { | |
| 21 /* filled in by parse_tag_line(): */ | |
| 22 char_u *tagname; /* start of tag name (skip "file:") */ | |
| 23 char_u *tagname_end; /* char after tag name */ | |
| 24 char_u *fname; /* first char of file name */ | |
| 25 char_u *fname_end; /* char after file name */ | |
| 26 char_u *command; /* first char of command */ | |
| 27 /* filled in by parse_match(): */ | |
| 28 char_u *command_end; /* first char after command */ | |
| 29 char_u *tag_fname; /* file name of the tags file */ | |
| 30 #ifdef FEAT_EMACS_TAGS | |
| 31 int is_etag; /* TRUE for emacs tag */ | |
| 32 #endif | |
| 33 char_u *tagkind; /* "kind:" value */ | |
| 34 char_u *tagkind_end; /* end of tagkind */ | |
| 35 } tagptrs_T; | |
| 36 | |
| 37 /* | |
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38 * The matching tags are first stored in one of the hash tables. In |
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39 * which one depends on the priority of the match. |
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40 * ht_match[] is used to find duplicates, ga_match[] to keep them in sequence. |
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41 * At the end, all the matches from ga_match[] are concatenated, to make a list |
| 7 | 42 * sorted on priority. |
| 43 */ | |
| 44 #define MT_ST_CUR 0 /* static match in current file */ | |
| 45 #define MT_GL_CUR 1 /* global match in current file */ | |
| 46 #define MT_GL_OTH 2 /* global match in other file */ | |
| 47 #define MT_ST_OTH 3 /* static match in other file */ | |
| 48 #define MT_IC_OFF 4 /* add for icase match */ | |
| 49 #define MT_RE_OFF 8 /* add for regexp match */ | |
| 50 #define MT_MASK 7 /* mask for printing priority */ | |
| 51 #define MT_COUNT 16 | |
| 52 | |
| 53 static char *mt_names[MT_COUNT/2] = | |
| 54 {"FSC", "F C", "F ", "FS ", " SC", " C", " ", " S "}; | |
| 55 | |
| 56 #define NOTAGFILE 99 /* return value for jumpto_tag */ | |
| 57 static char_u *nofile_fname = NULL; /* fname for NOTAGFILE error */ | |
| 58 | |
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59 static void taglen_advance(int l); |
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60 |
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61 static int jumpto_tag(char_u *lbuf, int forceit, int keep_help); |
| 7 | 62 #ifdef FEAT_EMACS_TAGS |
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63 static int parse_tag_line(char_u *lbuf, int is_etag, tagptrs_T *tagp); |
| 7 | 64 #else |
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65 static int parse_tag_line(char_u *lbuf, tagptrs_T *tagp); |
| 7 | 66 #endif |
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67 static int test_for_static(tagptrs_T *); |
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68 static int parse_match(char_u *lbuf, tagptrs_T *tagp); |
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commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077
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69 static char_u *tag_full_fname(tagptrs_T *tagp); |
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commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077
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70 static char_u *expand_tag_fname(char_u *fname, char_u *tag_fname, int expand); |
| 7 | 71 #ifdef FEAT_EMACS_TAGS |
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72 static int test_for_current(int, char_u *, char_u *, char_u *, char_u *); |
| 7 | 73 #else |
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74 static int test_for_current(char_u *, char_u *, char_u *, char_u *); |
| 7 | 75 #endif |
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76 static int find_extra(char_u **pp); |
| 7 | 77 |
| 78 static char_u *bottommsg = (char_u *)N_("E555: at bottom of tag stack"); | |
| 79 static char_u *topmsg = (char_u *)N_("E556: at top of tag stack"); | |
| 80 | |
| 81 static char_u *tagmatchname = NULL; /* name of last used tag */ | |
| 82 | |
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83 #if defined(FEAT_QUICKFIX) |
| 7 | 84 /* |
| 85 * Tag for preview window is remembered separately, to avoid messing up the | |
| 86 * normal tagstack. | |
| 87 */ | |
| 1883 | 88 static taggy_T ptag_entry = {NULL, {INIT_POS_T(0, 0, 0), 0}, 0, 0}; |
| 7 | 89 #endif |
| 90 | |
| 91 /* | |
| 92 * Jump to tag; handling of tag commands and tag stack | |
| 93 * | |
| 94 * *tag != NUL: ":tag {tag}", jump to new tag, add to tag stack | |
| 95 * | |
| 96 * type == DT_TAG: ":tag [tag]", jump to newer position or same tag again | |
| 97 * type == DT_HELP: like DT_TAG, but don't use regexp. | |
| 98 * type == DT_POP: ":pop" or CTRL-T, jump to old position | |
| 99 * type == DT_NEXT: jump to next match of same tag | |
| 100 * type == DT_PREV: jump to previous match of same tag | |
| 101 * type == DT_FIRST: jump to first match of same tag | |
| 102 * type == DT_LAST: jump to last match of same tag | |
| 103 * type == DT_SELECT: ":tselect [tag]", select tag from a list of all matches | |
| 104 * type == DT_JUMP: ":tjump [tag]", jump to tag or select tag from a list | |
| 359 | 105 * type == DT_CSCOPE: use cscope to find the tag |
| 649 | 106 * type == DT_LTAG: use location list for displaying tag matches |
| 359 | 107 * type == DT_FREE: free cached matches |
| 7 | 108 * |
| 109 * for cscope, returns TRUE if we jumped to tag or aborted, FALSE otherwise | |
| 110 */ | |
| 111 int | |
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112 do_tag( |
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113 char_u *tag, /* tag (pattern) to jump to */ |
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114 int type, |
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115 int count, |
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116 int forceit, /* :ta with ! */ |
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commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
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117 int verbose) /* print "tag not found" message */ |
| 7 | 118 { |
| 119 taggy_T *tagstack = curwin->w_tagstack; | |
| 120 int tagstackidx = curwin->w_tagstackidx; | |
| 121 int tagstacklen = curwin->w_tagstacklen; | |
| 122 int cur_match = 0; | |
| 123 int cur_fnum = curbuf->b_fnum; | |
| 124 int oldtagstackidx = tagstackidx; | |
| 125 int prevtagstackidx = tagstackidx; | |
| 126 int prev_num_matches; | |
| 127 int new_tag = FALSE; | |
| 128 int other_name; | |
| 129 int i, j, k; | |
| 130 int idx; | |
| 131 int ic; | |
| 132 char_u *p; | |
| 133 char_u *name; | |
| 134 int no_regexp = FALSE; | |
| 135 int error_cur_match = 0; | |
| 136 char_u *command_end; | |
| 137 int save_pos = FALSE; | |
| 138 fmark_T saved_fmark; | |
| 139 int taglen; | |
| 140 #ifdef FEAT_CSCOPE | |
| 141 int jumped_to_tag = FALSE; | |
| 142 #endif | |
| 143 tagptrs_T tagp, tagp2; | |
| 144 int new_num_matches; | |
| 145 char_u **new_matches; | |
| 146 int attr; | |
| 147 int use_tagstack; | |
| 148 int skip_msg = FALSE; | |
| 149 char_u *buf_ffname = curbuf->b_ffname; /* name to use for | |
| 150 priority computation */ | |
| 151 | |
| 152 /* remember the matches for the last used tag */ | |
| 153 static int num_matches = 0; | |
| 154 static int max_num_matches = 0; /* limit used for match search */ | |
| 155 static char_u **matches = NULL; | |
| 156 static int flags; | |
| 157 | |
| 359 | 158 #ifdef EXITFREE |
| 159 if (type == DT_FREE) | |
| 160 { | |
| 161 /* remove the list of matches */ | |
| 162 FreeWild(num_matches, matches); | |
| 163 # ifdef FEAT_CSCOPE | |
| 164 cs_free_tags(); | |
| 165 # endif | |
| 166 num_matches = 0; | |
| 167 return FALSE; | |
| 168 } | |
| 169 #endif | |
| 170 | |
| 7 | 171 if (type == DT_HELP) |
| 172 { | |
| 173 type = DT_TAG; | |
| 174 no_regexp = TRUE; | |
| 175 } | |
| 176 | |
| 177 prev_num_matches = num_matches; | |
| 178 free_string_option(nofile_fname); | |
| 179 nofile_fname = NULL; | |
| 180 | |
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181 CLEAR_POS(&saved_fmark.mark); /* shutup gcc 4.0 */ |
| 698 | 182 saved_fmark.fnum = 0; |
| 183 | |
| 7 | 184 /* |
| 185 * Don't add a tag to the tagstack if 'tagstack' has been reset. | |
| 186 */ | |
| 187 if ((!p_tgst && *tag != NUL)) | |
| 188 { | |
| 189 use_tagstack = FALSE; | |
| 190 new_tag = TRUE; | |
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191 #if defined(FEAT_QUICKFIX) |
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192 if (g_do_tagpreview != 0) |
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193 { |
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194 vim_free(ptag_entry.tagname); |
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195 if ((ptag_entry.tagname = vim_strsave(tag)) == NULL) |
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196 goto end_do_tag; |
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197 } |
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198 #endif |
| 7 | 199 } |
| 200 else | |
| 201 { | |
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202 #if defined(FEAT_QUICKFIX) |
| 2713 | 203 if (g_do_tagpreview != 0) |
| 7 | 204 use_tagstack = FALSE; |
| 205 else | |
| 206 #endif | |
| 207 use_tagstack = TRUE; | |
| 208 | |
| 209 /* new pattern, add to the tag stack */ | |
| 845 | 210 if (*tag != NUL |
| 211 && (type == DT_TAG || type == DT_SELECT || type == DT_JUMP | |
| 649 | 212 #ifdef FEAT_QUICKFIX |
| 213 || type == DT_LTAG | |
| 214 #endif | |
| 7 | 215 #ifdef FEAT_CSCOPE |
| 216 || type == DT_CSCOPE | |
| 217 #endif | |
| 218 )) | |
| 219 { | |
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220 #if defined(FEAT_QUICKFIX) |
| 2713 | 221 if (g_do_tagpreview != 0) |
| 7 | 222 { |
| 223 if (ptag_entry.tagname != NULL | |
| 224 && STRCMP(ptag_entry.tagname, tag) == 0) | |
| 225 { | |
| 226 /* Jumping to same tag: keep the current match, so that | |
| 227 * the CursorHold autocommand example works. */ | |
| 228 cur_match = ptag_entry.cur_match; | |
| 229 cur_fnum = ptag_entry.cur_fnum; | |
| 230 } | |
| 231 else | |
| 232 { | |
| 233 vim_free(ptag_entry.tagname); | |
| 234 if ((ptag_entry.tagname = vim_strsave(tag)) == NULL) | |
| 235 goto end_do_tag; | |
| 236 } | |
| 237 } | |
| 238 else | |
| 239 #endif | |
| 240 { | |
| 241 /* | |
| 242 * If the last used entry is not at the top, delete all tag | |
| 243 * stack entries above it. | |
| 244 */ | |
| 245 while (tagstackidx < tagstacklen) | |
| 246 vim_free(tagstack[--tagstacklen].tagname); | |
| 247 | |
| 248 /* if the tagstack is full: remove oldest entry */ | |
| 249 if (++tagstacklen > TAGSTACKSIZE) | |
| 250 { | |
| 251 tagstacklen = TAGSTACKSIZE; | |
| 252 vim_free(tagstack[0].tagname); | |
| 253 for (i = 1; i < tagstacklen; ++i) | |
| 254 tagstack[i - 1] = tagstack[i]; | |
| 255 --tagstackidx; | |
| 256 } | |
| 257 | |
| 258 /* | |
| 259 * put the tag name in the tag stack | |
| 260 */ | |
| 261 if ((tagstack[tagstackidx].tagname = vim_strsave(tag)) == NULL) | |
| 262 { | |
| 263 curwin->w_tagstacklen = tagstacklen - 1; | |
| 264 goto end_do_tag; | |
| 265 } | |
| 266 curwin->w_tagstacklen = tagstacklen; | |
| 267 | |
| 268 save_pos = TRUE; /* save the cursor position below */ | |
| 269 } | |
| 270 | |
| 271 new_tag = TRUE; | |
| 272 } | |
| 273 else | |
| 274 { | |
| 275 if ( | |
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276 #if defined(FEAT_QUICKFIX) |
| 2713 | 277 g_do_tagpreview != 0 ? ptag_entry.tagname == NULL : |
| 7 | 278 #endif |
| 279 tagstacklen == 0) | |
| 280 { | |
| 281 /* empty stack */ | |
| 282 EMSG(_(e_tagstack)); | |
| 283 goto end_do_tag; | |
| 284 } | |
| 285 | |
| 286 if (type == DT_POP) /* go to older position */ | |
| 287 { | |
| 288 #ifdef FEAT_FOLDING | |
| 289 int old_KeyTyped = KeyTyped; | |
| 290 #endif | |
| 291 if ((tagstackidx -= count) < 0) | |
| 292 { | |
| 293 EMSG(_(bottommsg)); | |
| 294 if (tagstackidx + count == 0) | |
| 295 { | |
| 296 /* We did [num]^T from the bottom of the stack */ | |
| 297 tagstackidx = 0; | |
| 298 goto end_do_tag; | |
| 299 } | |
| 300 /* We weren't at the bottom of the stack, so jump all the | |
| 301 * way to the bottom now. | |
| 302 */ | |
| 303 tagstackidx = 0; | |
| 304 } | |
| 305 else if (tagstackidx >= tagstacklen) /* count == 0? */ | |
| 306 { | |
| 307 EMSG(_(topmsg)); | |
| 308 goto end_do_tag; | |
| 309 } | |
| 310 | |
| 311 /* Make a copy of the fmark, autocommands may invalidate the | |
| 312 * tagstack before it's used. */ | |
| 313 saved_fmark = tagstack[tagstackidx].fmark; | |
| 314 if (saved_fmark.fnum != curbuf->b_fnum) | |
| 315 { | |
| 316 /* | |
| 317 * Jump to other file. If this fails (e.g. because the | |
| 318 * file was changed) keep original position in tag stack. | |
| 319 */ | |
| 320 if (buflist_getfile(saved_fmark.fnum, saved_fmark.mark.lnum, | |
| 321 GETF_SETMARK, forceit) == FAIL) | |
| 322 { | |
| 323 tagstackidx = oldtagstackidx; /* back to old posn */ | |
| 324 goto end_do_tag; | |
| 325 } | |
| 326 /* An BufReadPost autocommand may jump to the '" mark, but | |
| 327 * we don't what that here. */ | |
| 328 curwin->w_cursor.lnum = saved_fmark.mark.lnum; | |
| 329 } | |
| 330 else | |
| 331 { | |
| 332 setpcmark(); | |
| 333 curwin->w_cursor.lnum = saved_fmark.mark.lnum; | |
| 334 } | |
| 335 curwin->w_cursor.col = saved_fmark.mark.col; | |
| 336 curwin->w_set_curswant = TRUE; | |
| 337 check_cursor(); | |
| 338 #ifdef FEAT_FOLDING | |
| 339 if ((fdo_flags & FDO_TAG) && old_KeyTyped) | |
| 340 foldOpenCursor(); | |
| 341 #endif | |
| 342 | |
| 343 /* remove the old list of matches */ | |
| 344 FreeWild(num_matches, matches); | |
| 345 #ifdef FEAT_CSCOPE | |
| 346 cs_free_tags(); | |
| 347 #endif | |
| 348 num_matches = 0; | |
| 845 | 349 tag_freematch(); |
| 7 | 350 goto end_do_tag; |
| 351 } | |
| 352 | |
| 692 | 353 if (type == DT_TAG |
| 354 #if defined(FEAT_QUICKFIX) | |
| 845 | 355 || type == DT_LTAG |
| 692 | 356 #endif |
| 845 | 357 ) |
| 7 | 358 { |
|
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359 #if defined(FEAT_QUICKFIX) |
| 2713 | 360 if (g_do_tagpreview != 0) |
| 7 | 361 { |
| 362 cur_match = ptag_entry.cur_match; | |
| 363 cur_fnum = ptag_entry.cur_fnum; | |
| 364 } | |
| 365 else | |
| 366 #endif | |
| 367 { | |
| 368 /* ":tag" (no argument): go to newer pattern */ | |
| 369 save_pos = TRUE; /* save the cursor position below */ | |
| 370 if ((tagstackidx += count - 1) >= tagstacklen) | |
| 371 { | |
| 372 /* | |
| 373 * Beyond the last one, just give an error message and | |
| 374 * go to the last one. Don't store the cursor | |
| 1204 | 375 * position. |
| 7 | 376 */ |
| 377 tagstackidx = tagstacklen - 1; | |
| 378 EMSG(_(topmsg)); | |
| 379 save_pos = FALSE; | |
| 380 } | |
| 381 else if (tagstackidx < 0) /* must have been count == 0 */ | |
| 382 { | |
| 383 EMSG(_(bottommsg)); | |
| 384 tagstackidx = 0; | |
| 385 goto end_do_tag; | |
| 386 } | |
| 387 cur_match = tagstack[tagstackidx].cur_match; | |
| 388 cur_fnum = tagstack[tagstackidx].cur_fnum; | |
| 389 } | |
| 390 new_tag = TRUE; | |
| 391 } | |
| 392 else /* go to other matching tag */ | |
| 393 { | |
| 394 /* Save index for when selection is cancelled. */ | |
| 395 prevtagstackidx = tagstackidx; | |
| 396 | |
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397 #if defined(FEAT_QUICKFIX) |
| 2713 | 398 if (g_do_tagpreview != 0) |
| 7 | 399 { |
| 400 cur_match = ptag_entry.cur_match; | |
| 401 cur_fnum = ptag_entry.cur_fnum; | |
| 402 } | |
| 403 else | |
| 404 #endif | |
| 405 { | |
| 406 if (--tagstackidx < 0) | |
| 407 tagstackidx = 0; | |
| 408 cur_match = tagstack[tagstackidx].cur_match; | |
| 409 cur_fnum = tagstack[tagstackidx].cur_fnum; | |
| 410 } | |
| 411 switch (type) | |
| 412 { | |
| 413 case DT_FIRST: cur_match = count - 1; break; | |
| 414 case DT_SELECT: | |
| 415 case DT_JUMP: | |
| 416 #ifdef FEAT_CSCOPE | |
| 417 case DT_CSCOPE: | |
| 418 #endif | |
| 419 case DT_LAST: cur_match = MAXCOL - 1; break; | |
| 420 case DT_NEXT: cur_match += count; break; | |
| 421 case DT_PREV: cur_match -= count; break; | |
| 422 } | |
| 423 if (cur_match >= MAXCOL) | |
| 424 cur_match = MAXCOL - 1; | |
| 425 else if (cur_match < 0) | |
| 426 { | |
| 427 EMSG(_("E425: Cannot go before first matching tag")); | |
| 428 skip_msg = TRUE; | |
| 429 cur_match = 0; | |
| 430 cur_fnum = curbuf->b_fnum; | |
| 431 } | |
| 432 } | |
| 433 } | |
| 434 | |
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435 #if defined(FEAT_QUICKFIX) |
| 2713 | 436 if (g_do_tagpreview != 0) |
| 7 | 437 { |
| 438 if (type != DT_SELECT && type != DT_JUMP) | |
| 439 { | |
| 440 ptag_entry.cur_match = cur_match; | |
| 441 ptag_entry.cur_fnum = cur_fnum; | |
| 442 } | |
| 443 } | |
| 444 else | |
| 445 #endif | |
| 446 { | |
| 447 /* | |
| 448 * For ":tag [arg]" or ":tselect" remember position before the jump. | |
| 449 */ | |
| 450 saved_fmark = tagstack[tagstackidx].fmark; | |
| 451 if (save_pos) | |
| 452 { | |
| 453 tagstack[tagstackidx].fmark.mark = curwin->w_cursor; | |
| 454 tagstack[tagstackidx].fmark.fnum = curbuf->b_fnum; | |
| 455 } | |
| 456 | |
| 457 /* Curwin will change in the call to jumpto_tag() if ":stag" was | |
| 458 * used or an autocommand jumps to another window; store value of | |
| 459 * tagstackidx now. */ | |
| 460 curwin->w_tagstackidx = tagstackidx; | |
| 461 if (type != DT_SELECT && type != DT_JUMP) | |
| 462 { | |
| 463 curwin->w_tagstack[tagstackidx].cur_match = cur_match; | |
| 464 curwin->w_tagstack[tagstackidx].cur_fnum = cur_fnum; | |
| 465 } | |
| 466 } | |
| 467 } | |
| 468 | |
| 469 /* When not using the current buffer get the name of buffer "cur_fnum". | |
| 470 * Makes sure that the tag order doesn't change when using a remembered | |
| 471 * position for "cur_match". */ | |
| 472 if (cur_fnum != curbuf->b_fnum) | |
| 473 { | |
| 474 buf_T *buf = buflist_findnr(cur_fnum); | |
| 475 | |
| 476 if (buf != NULL) | |
| 477 buf_ffname = buf->b_ffname; | |
| 478 } | |
| 479 | |
| 480 /* | |
| 481 * Repeat searching for tags, when a file has not been found. | |
| 482 */ | |
| 483 for (;;) | |
| 484 { | |
| 485 /* | |
| 486 * When desired match not found yet, try to find it (and others). | |
| 487 */ | |
| 488 if (use_tagstack) | |
| 489 name = tagstack[tagstackidx].tagname; | |
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490 #if defined(FEAT_QUICKFIX) |
| 2713 | 491 else if (g_do_tagpreview != 0) |
| 7 | 492 name = ptag_entry.tagname; |
| 493 #endif | |
| 494 else | |
| 495 name = tag; | |
| 496 other_name = (tagmatchname == NULL || STRCMP(tagmatchname, name) != 0); | |
| 497 if (new_tag | |
| 498 || (cur_match >= num_matches && max_num_matches != MAXCOL) | |
| 499 || other_name) | |
| 500 { | |
| 501 if (other_name) | |
| 502 { | |
| 503 vim_free(tagmatchname); | |
| 504 tagmatchname = vim_strsave(name); | |
| 505 } | |
| 506 | |
| 6851 | 507 if (type == DT_TAG || type == DT_SELECT || type == DT_JUMP |
| 692 | 508 #if defined(FEAT_QUICKFIX) |
| 509 || type == DT_LTAG | |
| 510 #endif | |
| 511 ) | |
| 7 | 512 cur_match = MAXCOL - 1; |
| 513 max_num_matches = cur_match + 1; | |
| 514 | |
| 515 /* when the argument starts with '/', use it as a regexp */ | |
| 516 if (!no_regexp && *name == '/') | |
| 517 { | |
| 518 flags = TAG_REGEXP; | |
| 519 ++name; | |
| 520 } | |
| 521 else | |
| 522 flags = TAG_NOIC; | |
| 523 | |
| 524 #ifdef FEAT_CSCOPE | |
| 525 if (type == DT_CSCOPE) | |
| 526 flags = TAG_CSCOPE; | |
| 527 #endif | |
| 528 if (verbose) | |
| 529 flags |= TAG_VERBOSE; | |
| 530 if (find_tags(name, &new_num_matches, &new_matches, flags, | |
| 531 max_num_matches, buf_ffname) == OK | |
| 532 && new_num_matches < max_num_matches) | |
| 533 max_num_matches = MAXCOL; /* If less than max_num_matches | |
| 534 found: all matches found. */ | |
| 535 | |
| 536 /* If there already were some matches for the same name, move them | |
| 537 * to the start. Avoids that the order changes when using | |
| 538 * ":tnext" and jumping to another file. */ | |
| 539 if (!new_tag && !other_name) | |
| 540 { | |
| 541 /* Find the position of each old match in the new list. Need | |
| 542 * to use parse_match() to find the tag line. */ | |
| 543 idx = 0; | |
| 544 for (j = 0; j < num_matches; ++j) | |
| 545 { | |
| 546 parse_match(matches[j], &tagp); | |
| 547 for (i = idx; i < new_num_matches; ++i) | |
| 548 { | |
| 549 parse_match(new_matches[i], &tagp2); | |
| 550 if (STRCMP(tagp.tagname, tagp2.tagname) == 0) | |
| 551 { | |
| 552 p = new_matches[i]; | |
| 553 for (k = i; k > idx; --k) | |
| 554 new_matches[k] = new_matches[k - 1]; | |
| 555 new_matches[idx++] = p; | |
| 556 break; | |
| 557 } | |
| 558 } | |
| 559 } | |
| 560 } | |
| 561 FreeWild(num_matches, matches); | |
| 562 num_matches = new_num_matches; | |
| 563 matches = new_matches; | |
| 564 } | |
| 565 | |
| 566 if (num_matches <= 0) | |
| 567 { | |
| 568 if (verbose) | |
| 569 EMSG2(_("E426: tag not found: %s"), name); | |
|
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570 #if defined(FEAT_QUICKFIX) |
| 7 | 571 g_do_tagpreview = 0; |
| 572 #endif | |
| 573 } | |
| 574 else | |
| 575 { | |
| 576 int ask_for_selection = FALSE; | |
| 577 | |
| 578 #ifdef FEAT_CSCOPE | |
| 579 if (type == DT_CSCOPE && num_matches > 1) | |
| 580 { | |
| 581 cs_print_tags(); | |
| 582 ask_for_selection = TRUE; | |
| 583 } | |
| 584 else | |
| 585 #endif | |
| 6851 | 586 if (type == DT_TAG) |
| 587 /* | |
| 588 * If a count is supplied to the ":tag <name>" command, then | |
| 589 * jump to count'th matching tag. | |
| 590 */ | |
| 591 cur_match = count > 0 ? count - 1 : 0; | |
| 592 else if (type == DT_SELECT || (type == DT_JUMP && num_matches > 1)) | |
| 7 | 593 { |
| 594 /* | |
| 595 * List all the matching tags. | |
| 596 * Assume that the first match indicates how long the tags can | |
| 597 * be, and align the file names to that. | |
| 598 */ | |
| 599 parse_match(matches[0], &tagp); | |
| 600 taglen = (int)(tagp.tagname_end - tagp.tagname + 2); | |
| 601 if (taglen < 18) | |
| 602 taglen = 18; | |
| 603 if (taglen > Columns - 25) | |
| 604 taglen = MAXCOL; | |
| 605 if (msg_col == 0) | |
| 606 msg_didout = FALSE; /* overwrite previous message */ | |
| 607 msg_start(); | |
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608 MSG_PUTS_ATTR(_(" # pri kind tag"), HL_ATTR(HLF_T)); |
| 7 | 609 msg_clr_eos(); |
| 610 taglen_advance(taglen); | |
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611 MSG_PUTS_ATTR(_("file\n"), HL_ATTR(HLF_T)); |
| 7 | 612 |
| 1826 | 613 for (i = 0; i < num_matches && !got_int; ++i) |
| 7 | 614 { |
| 615 parse_match(matches[i], &tagp); | |
| 616 if (!new_tag && ( | |
|
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617 #if defined(FEAT_QUICKFIX) |
| 2713 | 618 (g_do_tagpreview != 0 |
| 7 | 619 && i == ptag_entry.cur_match) || |
| 620 #endif | |
| 621 (use_tagstack | |
| 622 && i == tagstack[tagstackidx].cur_match))) | |
| 623 *IObuff = '>'; | |
| 624 else | |
| 625 *IObuff = ' '; | |
| 273 | 626 vim_snprintf((char *)IObuff + 1, IOSIZE - 1, |
| 627 "%2d %s ", i + 1, | |
| 7 | 628 mt_names[matches[i][0] & MT_MASK]); |
| 629 msg_puts(IObuff); | |
| 630 if (tagp.tagkind != NULL) | |
| 631 msg_outtrans_len(tagp.tagkind, | |
| 632 (int)(tagp.tagkind_end - tagp.tagkind)); | |
| 633 msg_advance(13); | |
| 634 msg_outtrans_len_attr(tagp.tagname, | |
| 635 (int)(tagp.tagname_end - tagp.tagname), | |
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636 HL_ATTR(HLF_T)); |
| 7 | 637 msg_putchar(' '); |
| 638 taglen_advance(taglen); | |
| 639 | |
| 640 /* Find out the actual file name. If it is long, truncate | |
| 641 * it and put "..." in the middle */ | |
| 642 p = tag_full_fname(&tagp); | |
| 643 if (p != NULL) | |
| 644 { | |
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645 msg_puts_long_attr(p, HL_ATTR(HLF_D)); |
| 7 | 646 vim_free(p); |
| 647 } | |
| 648 if (msg_col > 0) | |
| 649 msg_putchar('\n'); | |
| 1826 | 650 if (got_int) |
| 651 break; | |
| 7 | 652 msg_advance(15); |
| 653 | |
| 654 /* print any extra fields */ | |
| 655 command_end = tagp.command_end; | |
| 656 if (command_end != NULL) | |
| 657 { | |
| 658 p = command_end + 3; | |
| 659 while (*p && *p != '\r' && *p != '\n') | |
| 660 { | |
| 661 while (*p == TAB) | |
| 662 ++p; | |
| 663 | |
| 664 /* skip "file:" without a value (static tag) */ | |
| 665 if (STRNCMP(p, "file:", 5) == 0 | |
| 666 && vim_isspace(p[5])) | |
| 667 { | |
| 668 p += 5; | |
| 669 continue; | |
| 670 } | |
| 671 /* skip "kind:<kind>" and "<kind>" */ | |
| 672 if (p == tagp.tagkind | |
| 673 || (p + 5 == tagp.tagkind | |
| 674 && STRNCMP(p, "kind:", 5) == 0)) | |
| 675 { | |
| 676 p = tagp.tagkind_end; | |
| 677 continue; | |
| 678 } | |
| 679 /* print all other extra fields */ | |
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680 attr = HL_ATTR(HLF_CM); |
| 7 | 681 while (*p && *p != '\r' && *p != '\n') |
| 682 { | |
| 683 if (msg_col + ptr2cells(p) >= Columns) | |
| 684 { | |
| 685 msg_putchar('\n'); | |
| 1826 | 686 if (got_int) |
| 687 break; | |
| 7 | 688 msg_advance(15); |
| 689 } | |
| 690 p = msg_outtrans_one(p, attr); | |
| 691 if (*p == TAB) | |
| 692 { | |
| 693 msg_puts_attr((char_u *)" ", attr); | |
| 694 break; | |
| 695 } | |
| 696 if (*p == ':') | |
| 697 attr = 0; | |
| 698 } | |
| 699 } | |
| 700 if (msg_col > 15) | |
| 701 { | |
| 702 msg_putchar('\n'); | |
| 1826 | 703 if (got_int) |
| 704 break; | |
| 7 | 705 msg_advance(15); |
| 706 } | |
| 707 } | |
| 708 else | |
| 709 { | |
| 710 for (p = tagp.command; | |
| 711 *p && *p != '\r' && *p != '\n'; ++p) | |
| 712 ; | |
| 713 command_end = p; | |
| 714 } | |
| 715 | |
| 716 /* | |
| 717 * Put the info (in several lines) at column 15. | |
| 718 * Don't display "/^" and "?^". | |
| 719 */ | |
| 720 p = tagp.command; | |
| 721 if (*p == '/' || *p == '?') | |
| 722 { | |
| 723 ++p; | |
| 724 if (*p == '^') | |
| 725 ++p; | |
| 726 } | |
| 727 /* Remove leading whitespace from pattern */ | |
| 728 while (p != command_end && vim_isspace(*p)) | |
| 729 ++p; | |
| 730 | |
| 731 while (p != command_end) | |
| 732 { | |
| 733 if (msg_col + (*p == TAB ? 1 : ptr2cells(p)) > Columns) | |
| 734 msg_putchar('\n'); | |
| 1826 | 735 if (got_int) |
| 736 break; | |
| 7 | 737 msg_advance(15); |
| 738 | |
| 5792 | 739 /* skip backslash used for escaping a command char or |
| 740 * a backslash */ | |
| 741 if (*p == '\\' && (*(p + 1) == *tagp.command | |
|
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diff
changeset
|
742 || *(p + 1) == '\\')) |
| 7 | 743 ++p; |
| 744 | |
| 745 if (*p == TAB) | |
| 746 { | |
| 747 msg_putchar(' '); | |
| 748 ++p; | |
| 749 } | |
| 750 else | |
| 751 p = msg_outtrans_one(p, 0); | |
| 752 | |
| 753 /* don't display the "$/;\"" and "$?;\"" */ | |
| 754 if (p == command_end - 2 && *p == '$' | |
| 755 && *(p + 1) == *tagp.command) | |
| 756 break; | |
| 757 /* don't display matching '/' or '?' */ | |
| 758 if (p == command_end - 1 && *p == *tagp.command | |
| 759 && (*p == '/' || *p == '?')) | |
| 760 break; | |
| 761 } | |
| 762 if (msg_col) | |
| 763 msg_putchar('\n'); | |
| 764 ui_breakcheck(); | |
| 765 } | |
| 1826 | 766 if (got_int) |
| 767 got_int = FALSE; /* only stop the listing */ | |
| 7 | 768 ask_for_selection = TRUE; |
| 769 } | |
| 649 | 770 #if defined(FEAT_QUICKFIX) && defined(FEAT_EVAL) |
| 692 | 771 else if (type == DT_LTAG) |
| 649 | 772 { |
| 773 list_T *list; | |
| 774 char_u tag_name[128 + 1]; | |
| 2770 | 775 char_u *fname; |
| 776 char_u *cmd; | |
| 649 | 777 |
| 778 /* | |
| 779 * Add the matching tags to the location list for the current | |
| 780 * window. | |
| 781 */ | |
| 782 | |
| 2770 | 783 fname = alloc(MAXPATHL + 1); |
| 784 cmd = alloc(CMDBUFFSIZE + 1); | |
| 649 | 785 list = list_alloc(); |
| 2770 | 786 if (list == NULL || fname == NULL || cmd == NULL) |
| 787 { | |
| 788 vim_free(cmd); | |
| 789 vim_free(fname); | |
| 790 if (list != NULL) | |
|
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diff
changeset
|
791 list_free(list); |
| 649 | 792 goto end_do_tag; |
| 2770 | 793 } |
| 649 | 794 |
| 795 for (i = 0; i < num_matches; ++i) | |
| 796 { | |
| 797 int len, cmd_len; | |
| 798 long lnum; | |
| 799 dict_T *dict; | |
| 800 | |
| 801 parse_match(matches[i], &tagp); | |
| 802 | |
| 803 /* Save the tag name */ | |
| 835 | 804 len = (int)(tagp.tagname_end - tagp.tagname); |
| 649 | 805 if (len > 128) |
| 806 len = 128; | |
| 807 vim_strncpy(tag_name, tagp.tagname, len); | |
| 808 tag_name[len] = NUL; | |
| 809 | |
| 810 /* Save the tag file name */ | |
| 811 p = tag_full_fname(&tagp); | |
| 812 if (p == NULL) | |
| 813 continue; | |
| 2768 | 814 vim_strncpy(fname, p, MAXPATHL); |
| 649 | 815 vim_free(p); |
| 816 | |
| 817 /* | |
| 818 * Get the line number or the search pattern used to locate | |
| 819 * the tag. | |
| 820 */ | |
| 821 lnum = 0; | |
| 822 if (isdigit(*tagp.command)) | |
| 823 /* Line number is used to locate the tag */ | |
| 824 lnum = atol((char *)tagp.command); | |
| 825 else | |
| 826 { | |
| 827 char_u *cmd_start, *cmd_end; | |
| 828 | |
| 829 /* Search pattern is used to locate the tag */ | |
| 830 | |
| 831 /* Locate the end of the command */ | |
| 832 cmd_start = tagp.command; | |
| 833 cmd_end = tagp.command_end; | |
| 834 if (cmd_end == NULL) | |
| 835 { | |
| 836 for (p = tagp.command; | |
| 837 *p && *p != '\r' && *p != '\n'; ++p) | |
| 838 ; | |
| 839 cmd_end = p; | |
| 840 } | |
| 692 | 841 |
| 649 | 842 /* |
| 843 * Now, cmd_end points to the character after the | |
| 844 * command. Adjust it to point to the last | |
| 845 * character of the command. | |
| 846 */ | |
| 847 cmd_end--; | |
| 848 | |
| 849 /* | |
| 850 * Skip the '/' and '?' characters at the | |
| 851 * beginning and end of the search pattern. | |
| 852 */ | |
| 853 if (*cmd_start == '/' || *cmd_start == '?') | |
| 854 cmd_start++; | |
| 855 | |
| 856 if (*cmd_end == '/' || *cmd_end == '?') | |
| 857 cmd_end--; | |
| 858 | |
| 859 len = 0; | |
| 860 cmd[0] = NUL; | |
| 861 | |
| 862 /* | |
| 863 * If "^" is present in the tag search pattern, then | |
| 864 * copy it first. | |
| 865 */ | |
| 866 if (*cmd_start == '^') | |
| 867 { | |
| 868 STRCPY(cmd, "^"); | |
| 869 cmd_start++; | |
| 870 len++; | |
| 871 } | |
| 872 | |
| 873 /* | |
| 874 * Precede the tag pattern with \V to make it very | |
| 875 * nomagic. | |
| 876 */ | |
| 877 STRCAT(cmd, "\\V"); | |
| 878 len += 2; | |
| 879 | |
| 835 | 880 cmd_len = (int)(cmd_end - cmd_start + 1); |
| 649 | 881 if (cmd_len > (CMDBUFFSIZE - 5)) |
| 882 cmd_len = CMDBUFFSIZE - 5; | |
| 883 STRNCAT(cmd, cmd_start, cmd_len); | |
| 884 len += cmd_len; | |
| 885 | |
| 886 if (cmd[len - 1] == '$') | |
| 887 { | |
| 692 | 888 /* |
| 649 | 889 * Replace '$' at the end of the search pattern |
| 890 * with '\$' | |
| 891 */ | |
| 892 cmd[len - 1] = '\\'; | |
| 893 cmd[len] = '$'; | |
| 894 len++; | |
| 895 } | |
| 896 | |
| 897 cmd[len] = NUL; | |
| 898 } | |
| 899 | |
| 900 if ((dict = dict_alloc()) == NULL) | |
| 901 continue; | |
| 902 if (list_append_dict(list, dict) == FAIL) | |
| 903 { | |
| 904 vim_free(dict); | |
| 905 continue; | |
| 906 } | |
| 907 | |
| 908 dict_add_nr_str(dict, "text", 0L, tag_name); | |
| 909 dict_add_nr_str(dict, "filename", 0L, fname); | |
| 910 dict_add_nr_str(dict, "lnum", lnum, NULL); | |
| 911 if (lnum == 0) | |
| 912 dict_add_nr_str(dict, "pattern", 0L, cmd); | |
| 913 } | |
| 914 | |
| 2533 | 915 vim_snprintf((char *)IObuff, IOSIZE, "ltag %s", tag); |
|
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|
916 set_errorlist(curwin, list, ' ', IObuff, NULL); |
| 649 | 917 |
|
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changeset
|
918 list_free(list); |
| 2770 | 919 vim_free(fname); |
| 920 vim_free(cmd); | |
| 692 | 921 |
| 922 cur_match = 0; /* Jump to the first tag */ | |
| 649 | 923 } |
| 924 #endif | |
| 7 | 925 |
| 926 if (ask_for_selection == TRUE) | |
| 927 { | |
| 928 /* | |
| 929 * Ask to select a tag from the list. | |
| 930 */ | |
| 373 | 931 i = prompt_for_number(NULL); |
| 7 | 932 if (i <= 0 || i > num_matches || got_int) |
| 933 { | |
| 934 /* no valid choice: don't change anything */ | |
| 935 if (use_tagstack) | |
| 936 { | |
| 937 tagstack[tagstackidx].fmark = saved_fmark; | |
| 938 tagstackidx = prevtagstackidx; | |
| 939 } | |
| 940 #ifdef FEAT_CSCOPE | |
| 941 cs_free_tags(); | |
| 942 jumped_to_tag = TRUE; | |
| 943 #endif | |
| 944 break; | |
| 945 } | |
| 946 cur_match = i - 1; | |
| 947 } | |
| 948 | |
| 949 if (cur_match >= num_matches) | |
| 950 { | |
| 951 /* Avoid giving this error when a file wasn't found and we're | |
| 952 * looking for a match in another file, which wasn't found. | |
| 953 * There will be an EMSG("file doesn't exist") below then. */ | |
| 954 if ((type == DT_NEXT || type == DT_FIRST) | |
| 955 && nofile_fname == NULL) | |
| 956 { | |
| 957 if (num_matches == 1) | |
| 958 EMSG(_("E427: There is only one matching tag")); | |
| 959 else | |
| 960 EMSG(_("E428: Cannot go beyond last matching tag")); | |
| 961 skip_msg = TRUE; | |
| 962 } | |
| 963 cur_match = num_matches - 1; | |
| 964 } | |
| 965 if (use_tagstack) | |
| 966 { | |
| 967 tagstack[tagstackidx].cur_match = cur_match; | |
| 968 tagstack[tagstackidx].cur_fnum = cur_fnum; | |
| 969 ++tagstackidx; | |
| 970 } | |
|
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971 #if defined(FEAT_QUICKFIX) |
| 2713 | 972 else if (g_do_tagpreview != 0) |
| 7 | 973 { |
| 974 ptag_entry.cur_match = cur_match; | |
| 975 ptag_entry.cur_fnum = cur_fnum; | |
| 976 } | |
| 977 #endif | |
| 978 | |
| 979 /* | |
| 980 * Only when going to try the next match, report that the previous | |
| 981 * file didn't exist. Otherwise an EMSG() is given below. | |
| 982 */ | |
| 983 if (nofile_fname != NULL && error_cur_match != cur_match) | |
| 273 | 984 smsg((char_u *)_("File \"%s\" does not exist"), nofile_fname); |
| 7 | 985 |
| 986 | |
| 987 ic = (matches[cur_match][0] & MT_IC_OFF); | |
| 6851 | 988 if (type != DT_TAG && type != DT_SELECT && type != DT_JUMP |
| 7 | 989 #ifdef FEAT_CSCOPE |
| 990 && type != DT_CSCOPE | |
| 991 #endif | |
| 992 && (num_matches > 1 || ic) | |
| 993 && !skip_msg) | |
| 994 { | |
| 995 /* Give an indication of the number of matching tags */ | |
| 996 sprintf((char *)IObuff, _("tag %d of %d%s"), | |
| 997 cur_match + 1, | |
| 998 num_matches, | |
| 999 max_num_matches != MAXCOL ? _(" or more") : ""); | |
| 1000 if (ic) | |
| 1001 STRCAT(IObuff, _(" Using tag with different case!")); | |
| 1002 if ((num_matches > prev_num_matches || new_tag) | |
| 1003 && num_matches > 1) | |
| 1004 { | |
| 1005 if (ic) | |
|
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1006 msg_attr(IObuff, HL_ATTR(HLF_W)); |
| 7 | 1007 else |
| 1008 msg(IObuff); | |
| 1009 msg_scroll = TRUE; /* don't overwrite this message */ | |
| 1010 } | |
| 1011 else | |
| 1012 give_warning(IObuff, ic); | |
| 1013 if (ic && !msg_scrolled && msg_silent == 0) | |
| 1014 { | |
| 1015 out_flush(); | |
| 1016 ui_delay(1000L, TRUE); | |
| 1017 } | |
| 1018 } | |
| 1019 | |
| 589 | 1020 #ifdef FEAT_AUTOCMD |
| 1021 /* Let the SwapExists event know what tag we are jumping to. */ | |
| 1022 vim_snprintf((char *)IObuff, IOSIZE, ":ta %s\r", name); | |
| 1023 set_vim_var_string(VV_SWAPCOMMAND, IObuff, -1); | |
| 1024 #endif | |
| 1025 | |
| 7 | 1026 /* |
| 1027 * Jump to the desired match. | |
| 1028 */ | |
| 589 | 1029 i = jumpto_tag(matches[cur_match], forceit, type != DT_CSCOPE); |
| 1030 | |
| 1031 #ifdef FEAT_AUTOCMD | |
| 1032 set_vim_var_string(VV_SWAPCOMMAND, NULL, -1); | |
| 1033 #endif | |
| 1034 | |
| 1035 if (i == NOTAGFILE) | |
| 7 | 1036 { |
| 1037 /* File not found: try again with another matching tag */ | |
| 1038 if ((type == DT_PREV && cur_match > 0) | |
| 1039 || ((type == DT_TAG || type == DT_NEXT | |
| 1040 || type == DT_FIRST) | |
| 1041 && (max_num_matches != MAXCOL | |
| 1042 || cur_match < num_matches - 1))) | |
| 1043 { | |
| 1044 error_cur_match = cur_match; | |
| 1045 if (use_tagstack) | |
| 1046 --tagstackidx; | |
| 1047 if (type == DT_PREV) | |
| 1048 --cur_match; | |
| 1049 else | |
| 1050 { | |
| 1051 type = DT_NEXT; | |
| 1052 ++cur_match; | |
| 1053 } | |
| 1054 continue; | |
| 1055 } | |
| 1056 EMSG2(_("E429: File \"%s\" does not exist"), nofile_fname); | |
| 1057 } | |
| 1058 else | |
| 1059 { | |
| 1060 /* We may have jumped to another window, check that | |
| 1061 * tagstackidx is still valid. */ | |
| 1062 if (use_tagstack && tagstackidx > curwin->w_tagstacklen) | |
| 1063 tagstackidx = curwin->w_tagstackidx; | |
| 1064 #ifdef FEAT_CSCOPE | |
| 1065 jumped_to_tag = TRUE; | |
| 1066 #endif | |
| 1067 } | |
| 1068 } | |
| 1069 break; | |
| 1070 } | |
| 1071 | |
| 1072 end_do_tag: | |
| 1073 /* Only store the new index when using the tagstack and it's valid. */ | |
| 1074 if (use_tagstack && tagstackidx <= curwin->w_tagstacklen) | |
| 1075 curwin->w_tagstackidx = tagstackidx; | |
| 1076 postponed_split = 0; /* don't split next time */ | |
|
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1077 # ifdef FEAT_QUICKFIX |
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|
1078 g_do_tagpreview = 0; /* don't do tag preview next time */ |
|
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1079 # endif |
| 7 | 1080 |
| 1081 #ifdef FEAT_CSCOPE | |
| 1082 return jumped_to_tag; | |
| 1083 #else | |
| 1084 return FALSE; | |
| 1085 #endif | |
| 1086 } | |
| 1087 | |
| 1088 /* | |
| 1089 * Free cached tags. | |
| 1090 */ | |
| 1091 void | |
|
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changeset
|
1092 tag_freematch(void) |
| 7 | 1093 { |
| 1094 vim_free(tagmatchname); | |
| 1095 tagmatchname = NULL; | |
| 1096 } | |
| 1097 | |
| 1098 static void | |
|
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|
1099 taglen_advance(int l) |
| 7 | 1100 { |
| 1101 if (l == MAXCOL) | |
| 1102 { | |
| 1103 msg_putchar('\n'); | |
| 1104 msg_advance(24); | |
| 1105 } | |
| 1106 else | |
| 1107 msg_advance(13 + l); | |
| 1108 } | |
| 1109 | |
| 1110 /* | |
| 1111 * Print the tag stack | |
| 1112 */ | |
| 1113 void | |
|
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|
1114 do_tags(exarg_T *eap UNUSED) |
| 7 | 1115 { |
| 1116 int i; | |
| 1117 char_u *name; | |
| 1118 taggy_T *tagstack = curwin->w_tagstack; | |
| 1119 int tagstackidx = curwin->w_tagstackidx; | |
| 1120 int tagstacklen = curwin->w_tagstacklen; | |
| 1121 | |
| 1122 /* Highlight title */ | |
| 1123 MSG_PUTS_TITLE(_("\n # TO tag FROM line in file/text")); | |
| 1124 for (i = 0; i < tagstacklen; ++i) | |
| 1125 { | |
| 1126 if (tagstack[i].tagname != NULL) | |
| 1127 { | |
| 1128 name = fm_getname(&(tagstack[i].fmark), 30); | |
| 1129 if (name == NULL) /* file name not available */ | |
| 1130 continue; | |
| 1131 | |
| 1132 msg_putchar('\n'); | |
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1133 vim_snprintf((char *)IObuff, IOSIZE, "%c%2d %2d %-15s %5ld ", |
| 7 | 1134 i == tagstackidx ? '>' : ' ', |
| 1135 i + 1, | |
| 1136 tagstack[i].cur_match + 1, | |
| 1137 tagstack[i].tagname, | |
| 1138 tagstack[i].fmark.mark.lnum); | |
| 1139 msg_outtrans(IObuff); | |
| 1140 msg_outtrans_attr(name, tagstack[i].fmark.fnum == curbuf->b_fnum | |
|
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1141 ? HL_ATTR(HLF_D) : 0); |
| 7 | 1142 vim_free(name); |
| 1143 } | |
| 1144 out_flush(); /* show one line at a time */ | |
| 1145 } | |
| 1146 if (tagstackidx == tagstacklen) /* idx at top of stack */ | |
| 1147 MSG_PUTS("\n>"); | |
| 1148 } | |
| 1149 | |
| 1150 /* When not using a CR for line separator, use vim_fgets() to read tag lines. | |
| 1151 * For the Mac use tag_fgets(). It can handle any line separator, but is much | |
| 1152 * slower than vim_fgets(). | |
| 1153 */ | |
| 1154 #ifndef USE_CR | |
| 1155 # define tag_fgets vim_fgets | |
| 1156 #endif | |
| 1157 | |
| 1158 #ifdef FEAT_TAG_BINS | |
|
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changeset
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1159 static int tag_strnicmp(char_u *s1, char_u *s2, size_t len); |
| 7 | 1160 |
| 1161 /* | |
| 1162 * Compare two strings, for length "len", ignoring case the ASCII way. | |
| 1163 * return 0 for match, < 0 for smaller, > 0 for bigger | |
| 1164 * Make sure case is folded to uppercase in comparison (like for 'sort -f') | |
| 1165 */ | |
| 1166 static int | |
|
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1167 tag_strnicmp(char_u *s1, char_u *s2, size_t len) |
| 7 | 1168 { |
| 1169 int i; | |
| 1170 | |
| 1171 while (len > 0) | |
| 1172 { | |
| 1173 i = (int)TOUPPER_ASC(*s1) - (int)TOUPPER_ASC(*s2); | |
| 1174 if (i != 0) | |
| 1175 return i; /* this character different */ | |
| 1176 if (*s1 == NUL) | |
| 1177 break; /* strings match until NUL */ | |
| 1178 ++s1; | |
| 1179 ++s2; | |
| 1180 --len; | |
| 1181 } | |
| 1182 return 0; /* strings match */ | |
| 1183 } | |
| 1184 #endif | |
| 1185 | |
| 1186 /* | |
| 1187 * Structure to hold info about the tag pattern being used. | |
| 1188 */ | |
| 1189 typedef struct | |
| 1190 { | |
| 1191 char_u *pat; /* the pattern */ | |
| 1192 int len; /* length of pat[] */ | |
| 1193 char_u *head; /* start of pattern head */ | |
| 1194 int headlen; /* length of head[] */ | |
| 1195 regmatch_T regmatch; /* regexp program, may be NULL */ | |
| 1196 } pat_T; | |
| 1197 | |
|
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1198 static void prepare_pats(pat_T *pats, int has_re); |
| 7 | 1199 |
| 1200 /* | |
| 1201 * Extract info from the tag search pattern "pats->pat". | |
| 1202 */ | |
| 1203 static void | |
|
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1204 prepare_pats(pat_T *pats, int has_re) |
| 7 | 1205 { |
| 1206 pats->head = pats->pat; | |
| 1207 pats->headlen = pats->len; | |
| 1208 if (has_re) | |
| 1209 { | |
| 1210 /* When the pattern starts with '^' or "\\<", binary searching can be | |
| 1211 * used (much faster). */ | |
| 1212 if (pats->pat[0] == '^') | |
| 1213 pats->head = pats->pat + 1; | |
| 1214 else if (pats->pat[0] == '\\' && pats->pat[1] == '<') | |
| 1215 pats->head = pats->pat + 2; | |
| 1216 if (pats->head == pats->pat) | |
| 1217 pats->headlen = 0; | |
| 1218 else | |
| 1219 for (pats->headlen = 0; pats->head[pats->headlen] != NUL; | |
| 1220 ++pats->headlen) | |
| 1221 if (vim_strchr((char_u *)(p_magic ? ".[~*\\$" : "\\$"), | |
| 1222 pats->head[pats->headlen]) != NULL) | |
| 1223 break; | |
| 1224 if (p_tl != 0 && pats->headlen > p_tl) /* adjust for 'taglength' */ | |
| 1225 pats->headlen = p_tl; | |
| 1226 } | |
| 1227 | |
| 1228 if (has_re) | |
| 1229 pats->regmatch.regprog = vim_regcomp(pats->pat, p_magic ? RE_MAGIC : 0); | |
| 1230 else | |
| 1231 pats->regmatch.regprog = NULL; | |
| 1232 } | |
| 1233 | |
| 1234 /* | |
| 1235 * find_tags() - search for tags in tags files | |
| 1236 * | |
| 1237 * Return FAIL if search completely failed (*num_matches will be 0, *matchesp | |
| 1238 * will be NULL), OK otherwise. | |
| 1239 * | |
| 1240 * There is a priority in which type of tag is recognized. | |
| 1241 * | |
| 1242 * 6. A static or global tag with a full matching tag for the current file. | |
| 1243 * 5. A global tag with a full matching tag for another file. | |
| 1244 * 4. A static tag with a full matching tag for another file. | |
| 1245 * 3. A static or global tag with an ignore-case matching tag for the | |
| 1246 * current file. | |
| 1247 * 2. A global tag with an ignore-case matching tag for another file. | |
| 1248 * 1. A static tag with an ignore-case matching tag for another file. | |
| 1249 * | |
| 1250 * Tags in an emacs-style tags file are always global. | |
| 1251 * | |
| 1252 * flags: | |
| 1253 * TAG_HELP only search for help tags | |
| 1254 * TAG_NAMES only return name of tag | |
| 1255 * TAG_REGEXP use "pat" as a regexp | |
| 1256 * TAG_NOIC don't always ignore case | |
| 1257 * TAG_KEEP_LANG keep language | |
|
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1258 * TAG_CSCOPE use cscope results for tags |
| 7 | 1259 */ |
| 1260 int | |
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1261 find_tags( |
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1262 char_u *pat, /* pattern to search for */ |
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1263 int *num_matches, /* return: number of matches found */ |
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1264 char_u ***matchesp, /* return: array of matches found */ |
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1265 int flags, |
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1266 int mincount, /* MAXCOL: find all matches |
| 7 | 1267 other: minimal number of matches */ |
|
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1268 char_u *buf_ffname) /* name of buffer for priority */ |
| 7 | 1269 { |
| 1270 FILE *fp; | |
| 1271 char_u *lbuf; /* line buffer */ | |
| 3131 | 1272 int lbuf_size = LSIZE; /* length of lbuf */ |
| 7 | 1273 char_u *tag_fname; /* name of tag file */ |
| 692 | 1274 tagname_T tn; /* info for get_tagfname() */ |
| 7 | 1275 int first_file; /* trying first tag file */ |
| 1276 tagptrs_T tagp; | |
| 1277 int did_open = FALSE; /* did open a tag file */ | |
| 1278 int stop_searching = FALSE; /* stop when match found or error */ | |
| 1279 int retval = FAIL; /* return value */ | |
| 1280 int is_static; /* current tag line is static */ | |
| 1281 int is_current; /* file name matches */ | |
| 1282 int eof = FALSE; /* found end-of-file */ | |
| 1283 char_u *p; | |
| 1284 char_u *s; | |
| 1285 int i; | |
| 1286 #ifdef FEAT_TAG_BINS | |
| 3131 | 1287 int tag_file_sorted = NUL; /* !_TAG_FILE_SORTED value */ |
| 7 | 1288 struct tag_search_info /* Binary search file offsets */ |
| 1289 { | |
|
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1290 off_T low_offset; /* offset for first char of first line that |
| 7 | 1291 could match */ |
|
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1292 off_T high_offset; /* offset of char after last line that could |
| 7 | 1293 match */ |
|
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1294 off_T curr_offset; /* Current file offset in search range */ |
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1295 off_T curr_offset_used; /* curr_offset used when skipping back */ |
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1296 off_T match_offset; /* Where the binary search found a tag */ |
| 7 | 1297 int low_char; /* first char at low_offset */ |
| 1298 int high_char; /* first char at high_offset */ | |
| 1299 } search_info; | |
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1300 off_T filesize; |
| 7 | 1301 int tagcmp; |
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1302 off_T offset; |
| 7 | 1303 int round; |
| 1304 #endif | |
| 1305 enum | |
| 1306 { | |
| 1307 TS_START, /* at start of file */ | |
| 1308 TS_LINEAR /* linear searching forward, till EOF */ | |
| 1309 #ifdef FEAT_TAG_BINS | |
| 1310 , TS_BINARY, /* binary searching */ | |
| 1311 TS_SKIP_BACK, /* skipping backwards */ | |
| 1312 TS_STEP_FORWARD /* stepping forwards */ | |
| 1313 #endif | |
| 1314 } state; /* Current search state */ | |
| 1315 | |
| 1316 int cmplen; | |
| 1317 int match; /* matches */ | |
| 1318 int match_no_ic = 0;/* matches with rm_ic == FALSE */ | |
| 1319 int match_re; /* match with regexp */ | |
| 1320 int matchoff = 0; | |
| 5513 | 1321 int save_emsg_off; |
| 7 | 1322 |
| 1323 #ifdef FEAT_EMACS_TAGS | |
| 1324 /* | |
| 1325 * Stack for included emacs-tags file. | |
| 1326 * It has a fixed size, to truncate cyclic includes. jw | |
| 1327 */ | |
| 1328 # define INCSTACK_SIZE 42 | |
| 1329 struct | |
| 1330 { | |
| 1331 FILE *fp; | |
| 1332 char_u *etag_fname; | |
| 1333 } incstack[INCSTACK_SIZE]; | |
| 1334 | |
| 1335 int incstack_idx = 0; /* index in incstack */ | |
| 1204 | 1336 char_u *ebuf; /* additional buffer for etag fname */ |
| 7 | 1337 int is_etag; /* current file is emaces style */ |
| 1338 #endif | |
| 1339 | |
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1340 char_u *mfp; |
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1341 garray_T ga_match[MT_COUNT]; /* stores matches in sequence */ |
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1342 hashtab_T ht_match[MT_COUNT]; /* stores matches by key */ |
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1343 hash_T hash = 0; |
| 7 | 1344 int match_count = 0; /* number of matches found */ |
| 1345 char_u **matches; | |
| 1346 int mtt; | |
| 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[] */ | |
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1353 int is_txt = FALSE; /* flag of file extension */ |
| 7 | 1354 #endif |
| 1355 | |
| 1356 pat_T orgpat; /* holds unconverted pattern info */ | |
| 1357 #ifdef FEAT_MBYTE | |
| 1358 vimconv_T vimconv; | |
| 1359 #endif | |
| 1360 | |
| 1361 #ifdef FEAT_TAG_BINS | |
| 1362 int findall = (mincount == MAXCOL || mincount == TAG_MANY); | |
| 1363 /* find all matching tags */ | |
| 1364 int sort_error = FALSE; /* tags file not sorted */ | |
| 1365 int linear; /* do a linear search */ | |
| 1366 int sortic = FALSE; /* tag file sorted in nocase */ | |
| 1367 #endif | |
| 1368 int line_error = FALSE; /* syntax error */ | |
| 1369 int has_re = (flags & TAG_REGEXP); /* regexp used */ | |
| 1370 int help_only = (flags & TAG_HELP); | |
| 1371 int name_only = (flags & TAG_NAMES); | |
| 1372 int noic = (flags & TAG_NOIC); | |
| 1373 int get_it_again = FALSE; | |
| 1374 #ifdef FEAT_CSCOPE | |
| 1375 int use_cscope = (flags & TAG_CSCOPE); | |
| 1376 #endif | |
| 1377 int verbose = (flags & TAG_VERBOSE); | |
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1378 int save_p_ic = p_ic; |
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1379 |
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1380 /* |
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1381 * Change the value of 'ignorecase' according to 'tagcase' for the |
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1382 * duration of this function. |
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1383 */ |
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1384 switch (curbuf->b_tc_flags ? curbuf->b_tc_flags : tc_flags) |
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1385 { |
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1386 case TC_FOLLOWIC: break; |
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1387 case TC_IGNORE: p_ic = TRUE; break; |
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1388 case TC_MATCH: p_ic = FALSE; break; |
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1389 case TC_FOLLOWSCS: p_ic = ignorecase(pat); break; |
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1390 case TC_SMART: p_ic = ignorecase_opt(pat, TRUE, TRUE); break; |
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1391 } |
| 7 | 1392 |
| 1393 help_save = curbuf->b_help; | |
| 1394 orgpat.pat = pat; | |
| 1395 #ifdef FEAT_MBYTE | |
| 1396 vimconv.vc_type = CONV_NONE; | |
| 1397 #endif | |
| 1398 | |
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1399 /* |
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1400 * Allocate memory for the buffers that are used |
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1401 */ |
| 3131 | 1402 lbuf = alloc(lbuf_size); |
| 7 | 1403 tag_fname = alloc(MAXPATHL + 1); |
| 1404 #ifdef FEAT_EMACS_TAGS | |
| 1405 ebuf = alloc(LSIZE); | |
| 1406 #endif | |
| 1407 for (mtt = 0; mtt < MT_COUNT; ++mtt) | |
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1408 { |
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1409 ga_init2(&ga_match[mtt], (int)sizeof(char_u *), 100); |
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1410 hash_init(&ht_match[mtt]); |
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1411 } |
| 7 | 1412 |
| 1413 /* check for out of memory situation */ | |
| 1414 if (lbuf == NULL || tag_fname == NULL | |
| 1415 #ifdef FEAT_EMACS_TAGS | |
| 1416 || ebuf == NULL | |
| 1417 #endif | |
| 1418 ) | |
| 1419 goto findtag_end; | |
| 1420 | |
| 1421 #ifdef FEAT_CSCOPE | |
| 1422 STRCPY(tag_fname, "from cscope"); /* for error messages */ | |
| 1423 #endif | |
| 1424 | |
| 1425 /* | |
| 1426 * Initialize a few variables | |
| 1427 */ | |
| 1428 if (help_only) /* want tags from help file */ | |
| 1429 curbuf->b_help = TRUE; /* will be restored later */ | |
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1430 #ifdef FEAT_CSCOPE |
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1431 else if (use_cscope) |
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1432 { |
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1433 /* Make sure we don't mix help and cscope, confuses Coverity. */ |
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1434 help_only = FALSE; |
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1435 curbuf->b_help = FALSE; |
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1436 } |
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1437 #endif |
| 7 | 1438 |
| 3131 | 1439 orgpat.len = (int)STRLEN(pat); |
| 7 | 1440 #ifdef FEAT_MULTI_LANG |
| 1441 if (curbuf->b_help) | |
| 1442 { | |
| 1443 /* When "@ab" is specified use only the "ab" language, otherwise | |
| 1444 * search all languages. */ | |
| 3131 | 1445 if (orgpat.len > 3 && pat[orgpat.len - 3] == '@' |
| 1446 && ASCII_ISALPHA(pat[orgpat.len - 2]) | |
| 1447 && ASCII_ISALPHA(pat[orgpat.len - 1])) | |
| 7 | 1448 { |
| 3131 | 1449 saved_pat = vim_strnsave(pat, orgpat.len - 3); |
| 7 | 1450 if (saved_pat != NULL) |
| 1451 { | |
| 3131 | 1452 help_lang_find = &pat[orgpat.len - 2]; |
| 1453 orgpat.pat = saved_pat; | |
| 1454 orgpat.len -= 3; | |
| 7 | 1455 } |
| 1456 } | |
| 1457 } | |
| 1458 #endif | |
| 3131 | 1459 if (p_tl != 0 && orgpat.len > p_tl) /* adjust for 'taglength' */ |
| 1460 orgpat.len = p_tl; | |
| 1461 | |
| 5513 | 1462 save_emsg_off = emsg_off; |
| 1463 emsg_off = TRUE; /* don't want error for invalid RE here */ | |
| 3131 | 1464 prepare_pats(&orgpat, has_re); |
| 5513 | 1465 emsg_off = save_emsg_off; |
| 3784 | 1466 if (has_re && orgpat.regmatch.regprog == NULL) |
| 1467 goto findtag_end; | |
| 7 | 1468 |
| 1469 #ifdef FEAT_TAG_BINS | |
| 1470 /* This is only to avoid a compiler warning for using search_info | |
| 1471 * uninitialised. */ | |
| 1472 vim_memset(&search_info, 0, (size_t)1); | |
| 1473 #endif | |
| 1474 | |
| 413 | 1475 /* |
| 1476 * When finding a specified number of matches, first try with matching | |
| 1477 * case, so binary search can be used, and try ignore-case matches in a | |
| 1478 * second loop. | |
| 1479 * When finding all matches, 'tagbsearch' is off, or there is no fixed | |
| 1480 * string to look for, ignore case right away to avoid going though the | |
| 1481 * tags files twice. | |
| 1482 * When the tag file is case-fold sorted, it is either one or the other. | |
| 1483 * Only ignore case when TAG_NOIC not used or 'ignorecase' set. | |
| 1484 */ | |
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1485 #ifdef FEAT_MULTI_LANG |
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1486 /* Set a flag if the file extension is .txt */ |
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1487 if ((flags & TAG_KEEP_LANG) |
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1488 && help_lang_find == NULL |
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1489 && curbuf->b_fname != NULL |
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1490 && (i = (int)STRLEN(curbuf->b_fname)) > 4 |
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1491 && STRICMP(curbuf->b_fname + i - 4, ".txt") == 0) |
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1492 is_txt = TRUE; |
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1493 #endif |
| 7 | 1494 #ifdef FEAT_TAG_BINS |
| 3131 | 1495 orgpat.regmatch.rm_ic = ((p_ic || !noic) |
| 1496 && (findall || orgpat.headlen == 0 || !p_tbs)); | |
| 7 | 1497 for (round = 1; round <= 2; ++round) |
| 1498 { | |
| 3131 | 1499 linear = (orgpat.headlen == 0 || !p_tbs || round == 2); |
| 7 | 1500 #else |
| 3131 | 1501 orgpat.regmatch.rm_ic = (p_ic || !noic); |
| 7 | 1502 #endif |
| 1503 | |
| 1504 /* | |
| 1505 * Try tag file names from tags option one by one. | |
| 1506 */ | |
| 1507 for (first_file = TRUE; | |
| 1508 #ifdef FEAT_CSCOPE | |
| 1509 use_cscope || | |
| 1510 #endif | |
| 692 | 1511 get_tagfname(&tn, first_file, tag_fname) == OK; |
| 1512 first_file = FALSE) | |
| 7 | 1513 { |
| 1514 /* | |
| 1515 * A file that doesn't exist is silently ignored. Only when not a | |
| 1516 * single file is found, an error message is given (further on). | |
| 1517 */ | |
| 1518 #ifdef FEAT_CSCOPE | |
| 1519 if (use_cscope) | |
| 1520 fp = NULL; /* avoid GCC warning */ | |
| 1521 else | |
| 1522 #endif | |
| 1523 { | |
| 1524 #ifdef FEAT_MULTI_LANG | |
| 1525 if (curbuf->b_help) | |
| 1526 { | |
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1527 /* Keep en if the file extension is .txt*/ |
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1528 if (is_txt) |
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1529 STRCPY(help_lang, "en"); |
| 7 | 1530 else |
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1531 { |
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1532 /* Prefer help tags according to 'helplang'. Put the |
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1533 * two-letter language name in help_lang[]. */ |
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1534 i = (int)STRLEN(tag_fname); |
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1535 if (i > 3 && tag_fname[i - 3] == '-') |
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1536 STRCPY(help_lang, tag_fname + i - 2); |
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|
1537 else |
|
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1538 STRCPY(help_lang, "en"); |
|
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|
1539 } |
| 7 | 1540 /* When searching for a specific language skip tags files |
| 1541 * for other languages. */ | |
| 1542 if (help_lang_find != NULL | |
| 1543 && STRICMP(help_lang, help_lang_find) != 0) | |
| 1544 continue; | |
| 1545 | |
| 1546 /* For CTRL-] in a help file prefer a match with the same | |
| 1547 * language. */ | |
| 1548 if ((flags & TAG_KEEP_LANG) | |
| 1549 && help_lang_find == NULL | |
| 1550 && curbuf->b_fname != NULL | |
| 835 | 1551 && (i = (int)STRLEN(curbuf->b_fname)) > 4 |
| 7 | 1552 && curbuf->b_fname[i - 1] == 'x' |
| 1553 && curbuf->b_fname[i - 4] == '.' | |
| 1554 && STRNICMP(curbuf->b_fname + i - 3, help_lang, 2) == 0) | |
| 1555 help_pri = 0; | |
| 1556 else | |
| 1557 { | |
| 1558 help_pri = 1; | |
| 1559 for (s = p_hlg; *s != NUL; ++s) | |
| 1560 { | |
| 1561 if (STRNICMP(s, help_lang, 2) == 0) | |
| 1562 break; | |
| 1563 ++help_pri; | |
| 1564 if ((s = vim_strchr(s, ',')) == NULL) | |
| 1565 break; | |
| 1566 } | |
| 1567 if (s == NULL || *s == NUL) | |
| 1568 { | |
| 1569 /* Language not in 'helplang': use last, prefer English, | |
| 1570 * unless found already. */ | |
| 1571 ++help_pri; | |
| 1572 if (STRICMP(help_lang, "en") != 0) | |
| 1573 ++help_pri; | |
| 1574 } | |
| 1575 } | |
| 1576 } | |
| 1577 #endif | |
| 1578 | |
| 1579 if ((fp = mch_fopen((char *)tag_fname, "r")) == NULL) | |
| 1580 continue; | |
| 1581 | |
| 1582 if (p_verbose >= 5) | |
| 292 | 1583 { |
| 1584 verbose_enter(); | |
| 273 | 1585 smsg((char_u *)_("Searching tags file %s"), tag_fname); |
| 292 | 1586 verbose_leave(); |
| 1587 } | |
| 7 | 1588 } |
| 1589 did_open = TRUE; /* remember that we found at least one file */ | |
| 1590 | |
| 1591 state = TS_START; /* we're at the start of the file */ | |
| 1592 #ifdef FEAT_EMACS_TAGS | |
| 1593 is_etag = 0; /* default is: not emacs style */ | |
| 1594 #endif | |
| 1595 | |
| 1596 /* | |
| 1597 * Read and parse the lines in the file one by one | |
| 1598 */ | |
| 1599 for (;;) | |
| 1600 { | |
|
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1601 #ifdef FEAT_TAG_BINS |
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1602 /* check for CTRL-C typed, more often when jumping around */ |
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1603 if (state == TS_BINARY || state == TS_SKIP_BACK) |
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1604 line_breakcheck(); |
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1605 else |
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1606 #endif |
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1607 fast_breakcheck(); |
| 7 | 1608 #ifdef FEAT_INS_EXPAND |
| 1609 if ((flags & TAG_INS_COMP)) /* Double brackets for gcc */ | |
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changeset
|
1610 ins_compl_check_keys(30, FALSE); |
| 449 | 1611 if (got_int || compl_interrupted) |
| 7 | 1612 #else |
| 1613 if (got_int) | |
| 1614 #endif | |
| 1615 { | |
| 1616 stop_searching = TRUE; | |
| 1617 break; | |
| 1618 } | |
| 1619 /* When mincount is TAG_MANY, stop when enough matches have been | |
| 1620 * found (for completion). */ | |
| 1621 if (mincount == TAG_MANY && match_count >= TAG_MANY) | |
| 1622 { | |
| 1623 stop_searching = TRUE; | |
| 1624 retval = OK; | |
| 1625 break; | |
| 1626 } | |
| 1627 if (get_it_again) | |
| 1628 goto line_read_in; | |
| 1629 #ifdef FEAT_TAG_BINS | |
| 1630 /* | |
| 1631 * For binary search: compute the next offset to use. | |
| 1632 */ | |
| 1633 if (state == TS_BINARY) | |
| 1634 { | |
| 1635 offset = search_info.low_offset + ((search_info.high_offset | |
| 1636 - search_info.low_offset) / 2); | |
| 1637 if (offset == search_info.curr_offset) | |
| 1638 break; /* End the binary search without a match. */ | |
| 1639 else | |
| 1640 search_info.curr_offset = offset; | |
| 1641 } | |
| 1642 | |
| 1643 /* | |
| 1644 * Skipping back (after a match during binary search). | |
| 1645 */ | |
| 1646 else if (state == TS_SKIP_BACK) | |
| 1647 { | |
| 1648 search_info.curr_offset -= LSIZE * 2; | |
| 1649 if (search_info.curr_offset < 0) | |
| 1650 { | |
| 1651 search_info.curr_offset = 0; | |
| 1652 rewind(fp); | |
| 1653 state = TS_STEP_FORWARD; | |
| 1654 } | |
| 1655 } | |
| 1656 | |
| 1657 /* | |
| 1658 * When jumping around in the file, first read a line to find the | |
| 1659 * start of the next line. | |
| 1660 */ | |
| 1661 if (state == TS_BINARY || state == TS_SKIP_BACK) | |
| 1662 { | |
| 1663 /* Adjust the search file offset to the correct position */ | |
| 1664 search_info.curr_offset_used = search_info.curr_offset; | |
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1665 vim_fseek(fp, search_info.curr_offset, SEEK_SET); |
| 7 | 1666 eof = tag_fgets(lbuf, LSIZE, fp); |
| 1667 if (!eof && search_info.curr_offset != 0) | |
| 1668 { | |
| 1146 | 1669 /* The explicit cast is to work around a bug in gcc 3.4.2 |
| 1670 * (repeated below). */ | |
|
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1671 search_info.curr_offset = vim_ftell(fp); |
| 7 | 1672 if (search_info.curr_offset == search_info.high_offset) |
| 1673 { | |
| 1674 /* oops, gone a bit too far; try from low offset */ | |
|
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1675 vim_fseek(fp, search_info.low_offset, SEEK_SET); |
| 7 | 1676 search_info.curr_offset = search_info.low_offset; |
| 1677 } | |
| 1678 eof = tag_fgets(lbuf, LSIZE, fp); | |
| 1679 } | |
| 1680 /* skip empty and blank lines */ | |
| 1681 while (!eof && vim_isblankline(lbuf)) | |
| 1682 { | |
|
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1683 search_info.curr_offset = vim_ftell(fp); |
| 7 | 1684 eof = tag_fgets(lbuf, LSIZE, fp); |
| 1685 } | |
| 1686 if (eof) | |
| 1687 { | |
| 1688 /* Hit end of file. Skip backwards. */ | |
| 1689 state = TS_SKIP_BACK; | |
|
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1690 search_info.match_offset = vim_ftell(fp); |
| 7 | 1691 search_info.curr_offset = search_info.curr_offset_used; |
| 1692 continue; | |
| 1693 } | |
| 1694 } | |
| 1695 | |
| 1696 /* | |
| 1697 * Not jumping around in the file: Read the next line. | |
| 1698 */ | |
| 1699 else | |
| 1700 #endif | |
| 1701 { | |
| 1702 /* skip empty and blank lines */ | |
| 1703 do | |
| 1704 { | |
| 1705 #ifdef FEAT_CSCOPE | |
| 1706 if (use_cscope) | |
| 1707 eof = cs_fgets(lbuf, LSIZE); | |
| 1708 else | |
| 1709 #endif | |
| 1710 eof = tag_fgets(lbuf, LSIZE, fp); | |
| 1711 } while (!eof && vim_isblankline(lbuf)); | |
| 1712 | |
| 1713 if (eof) | |
| 1714 { | |
| 1715 #ifdef FEAT_EMACS_TAGS | |
| 1716 if (incstack_idx) /* this was an included file */ | |
| 1717 { | |
| 1718 --incstack_idx; | |
| 1719 fclose(fp); /* end of this file ... */ | |
| 1720 fp = incstack[incstack_idx].fp; | |
| 1721 STRCPY(tag_fname, incstack[incstack_idx].etag_fname); | |
| 1722 vim_free(incstack[incstack_idx].etag_fname); | |
| 1723 is_etag = 1; /* (only etags can include) */ | |
| 1724 continue; /* ... continue with parent file */ | |
| 1725 } | |
| 1726 else | |
| 1727 #endif | |
| 1728 break; /* end of file */ | |
| 1729 } | |
| 1730 } | |
| 1731 line_read_in: | |
| 1732 | |
| 3131 | 1733 #ifdef FEAT_MBYTE |
| 1734 if (vimconv.vc_type != CONV_NONE) | |
| 1735 { | |
| 1736 char_u *conv_line; | |
| 1737 int len; | |
| 1738 | |
| 1739 /* Convert every line. Converting the pattern from 'enc' to | |
| 1740 * the tags file encoding doesn't work, because characters are | |
| 1741 * not recognized. */ | |
| 1742 conv_line = string_convert(&vimconv, lbuf, NULL); | |
| 1743 if (conv_line != NULL) | |
| 1744 { | |
| 1745 /* Copy or swap lbuf and conv_line. */ | |
| 1746 len = (int)STRLEN(conv_line) + 1; | |
| 1747 if (len > lbuf_size) | |
| 1748 { | |
| 1749 vim_free(lbuf); | |
| 1750 lbuf = conv_line; | |
| 1751 lbuf_size = len; | |
| 1752 } | |
| 1753 else | |
| 1754 { | |
| 1755 STRCPY(lbuf, conv_line); | |
| 1756 vim_free(conv_line); | |
| 1757 } | |
| 1758 } | |
| 1759 } | |
| 1760 #endif | |
| 1761 | |
| 1762 | |
| 7 | 1763 #ifdef FEAT_EMACS_TAGS |
| 1764 /* | |
| 1765 * Emacs tags line with CTRL-L: New file name on next line. | |
| 1766 * The file name is followed by a ','. | |
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1767 * Remember etag file name in ebuf. |
| 7 | 1768 */ |
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1769 if (*lbuf == Ctrl_L |
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1770 # ifdef FEAT_CSCOPE |
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1771 && !use_cscope |
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1772 # endif |
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1773 ) |
| 7 | 1774 { |
| 1775 is_etag = 1; /* in case at the start */ | |
| 1776 state = TS_LINEAR; | |
| 1777 if (!tag_fgets(ebuf, LSIZE, fp)) | |
| 1778 { | |
| 1779 for (p = ebuf; *p && *p != ','; p++) | |
| 1780 ; | |
| 1781 *p = NUL; | |
| 1782 | |
| 1783 /* | |
| 1784 * atoi(p+1) is the number of bytes before the next ^L | |
| 1785 * unless it is an include statement. | |
| 1786 */ | |
| 1787 if (STRNCMP(p + 1, "include", 7) == 0 | |
| 1788 && incstack_idx < INCSTACK_SIZE) | |
| 1789 { | |
| 1790 /* Save current "fp" and "tag_fname" in the stack. */ | |
| 1791 if ((incstack[incstack_idx].etag_fname = | |
| 1792 vim_strsave(tag_fname)) != NULL) | |
| 1793 { | |
| 1794 char_u *fullpath_ebuf; | |
| 1795 | |
| 1796 incstack[incstack_idx].fp = fp; | |
| 1797 fp = NULL; | |
| 1798 | |
| 1799 /* Figure out "tag_fname" and "fp" to use for | |
| 1800 * included file. */ | |
| 1801 fullpath_ebuf = expand_tag_fname(ebuf, | |
| 1802 tag_fname, FALSE); | |
| 1803 if (fullpath_ebuf != NULL) | |
| 1804 { | |
| 1805 fp = mch_fopen((char *)fullpath_ebuf, "r"); | |
| 1806 if (fp != NULL) | |
| 1807 { | |
| 1808 if (STRLEN(fullpath_ebuf) > LSIZE) | |
| 1809 EMSG2(_("E430: Tag file path truncated for %s\n"), ebuf); | |
| 418 | 1810 vim_strncpy(tag_fname, fullpath_ebuf, |
| 1811 MAXPATHL); | |
| 7 | 1812 ++incstack_idx; |
| 1813 is_etag = 0; /* we can include anything */ | |
| 1814 } | |
| 1815 vim_free(fullpath_ebuf); | |
| 1816 } | |
| 1817 if (fp == NULL) | |
| 1818 { | |
| 1819 /* Can't open the included file, skip it and | |
| 1820 * restore old value of "fp". */ | |
| 1821 fp = incstack[incstack_idx].fp; | |
| 1822 vim_free(incstack[incstack_idx].etag_fname); | |
| 1823 } | |
| 1824 } | |
| 1825 } | |
| 1826 } | |
| 1827 continue; | |
| 1828 } | |
| 1829 #endif | |
| 1830 | |
| 1831 /* | |
| 1832 * When still at the start of the file, check for Emacs tags file | |
| 1833 * format, and for "not sorted" flag. | |
| 1834 */ | |
| 1835 if (state == TS_START) | |
| 1836 { | |
| 5328 | 1837 /* The header ends when the line sorts below "!_TAG_". When |
| 1838 * case is folded lower case letters sort before "_". */ | |
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1839 if (STRNCMP(lbuf, "!_TAG_", 6) <= 0 |
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1840 || (lbuf[0] == '!' && ASCII_ISLOWER(lbuf[1]))) |
| 3131 | 1841 { |
| 5328 | 1842 if (STRNCMP(lbuf, "!_TAG_", 6) != 0) |
| 1843 /* Non-header item before the header, e.g. "!" itself. | |
| 1844 */ | |
| 1845 goto parse_line; | |
| 1846 | |
| 3131 | 1847 /* |
| 1848 * Read header line. | |
| 1849 */ | |
| 1850 #ifdef FEAT_TAG_BINS | |
| 1851 if (STRNCMP(lbuf, "!_TAG_FILE_SORTED\t", 18) == 0) | |
| 1852 tag_file_sorted = lbuf[18]; | |
| 1853 #endif | |
| 1854 #ifdef FEAT_MBYTE | |
| 1855 if (STRNCMP(lbuf, "!_TAG_FILE_ENCODING\t", 20) == 0) | |
| 1856 { | |
| 1857 /* Prepare to convert every line from the specified | |
| 1858 * encoding to 'encoding'. */ | |
| 1859 for (p = lbuf + 20; *p > ' ' && *p < 127; ++p) | |
| 1860 ; | |
| 1861 *p = NUL; | |
| 1862 convert_setup(&vimconv, lbuf + 20, p_enc); | |
| 1863 } | |
| 1864 #endif | |
| 1865 | |
| 1866 /* Read the next line. Unrecognized flags are ignored. */ | |
| 1867 continue; | |
| 1868 } | |
| 1869 | |
| 1870 /* Headers ends. */ | |
| 1871 | |
| 7 | 1872 #ifdef FEAT_TAG_BINS |
| 1873 /* | |
| 1874 * When there is no tag head, or ignoring case, need to do a | |
| 1875 * linear search. | |
| 1876 * When no "!_TAG_" is found, default to binary search. If | |
| 1877 * the tag file isn't sorted, the second loop will find it. | |
| 1878 * When "!_TAG_FILE_SORTED" found: start binary search if | |
| 1879 * flag set. | |
| 1880 * For cscope, it's always linear. | |
| 1881 */ | |
| 1882 # ifdef FEAT_CSCOPE | |
| 1883 if (linear || use_cscope) | |
| 1884 # else | |
| 1885 if (linear) | |
| 1886 # endif | |
| 1887 state = TS_LINEAR; | |
| 3131 | 1888 else if (tag_file_sorted == NUL) |
| 7 | 1889 state = TS_BINARY; |
| 3131 | 1890 else if (tag_file_sorted == '1') |
| 7 | 1891 state = TS_BINARY; |
| 3131 | 1892 else if (tag_file_sorted == '2') |
| 1893 { | |
| 1894 state = TS_BINARY; | |
| 1895 sortic = TRUE; | |
| 1896 orgpat.regmatch.rm_ic = (p_ic || !noic); | |
| 7 | 1897 } |
| 3131 | 1898 else |
| 1899 state = TS_LINEAR; | |
| 1900 | |
| 1901 if (state == TS_BINARY && orgpat.regmatch.rm_ic && !sortic) | |
| 7 | 1902 { |
| 3206 | 1903 /* Binary search won't work for ignoring case, use linear |
| 7 | 1904 * search. */ |
| 1905 linear = TRUE; | |
| 1906 state = TS_LINEAR; | |
| 1907 } | |
| 1908 #else | |
| 1909 state = TS_LINEAR; | |
| 1910 #endif | |
| 1911 | |
| 1912 #ifdef FEAT_TAG_BINS | |
| 1913 /* | |
| 1914 * When starting a binary search, get the size of the file and | |
| 1915 * compute the first offset. | |
| 1916 */ | |
| 1917 if (state == TS_BINARY) | |
| 1918 { | |
| 1919 /* Get the tag file size (don't use mch_fstat(), it's not | |
| 1920 * portable). */ | |
|
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1921 if ((filesize = vim_lseek(fileno(fp), |
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1922 (off_T)0L, SEEK_END)) <= 0) |
| 7 | 1923 state = TS_LINEAR; |
| 1924 else | |
| 1925 { | |
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1926 vim_lseek(fileno(fp), (off_T)0L, SEEK_SET); |
| 7 | 1927 |
| 1928 /* Calculate the first read offset in the file. Start | |
| 1929 * the search in the middle of the file. */ | |
| 1930 search_info.low_offset = 0; | |
| 1931 search_info.low_char = 0; | |
| 1932 search_info.high_offset = filesize; | |
| 1933 search_info.curr_offset = 0; | |
| 1934 search_info.high_char = 0xff; | |
| 1935 } | |
| 1936 continue; | |
| 1937 } | |
| 1938 #endif | |
| 1939 } | |
| 1940 | |
| 5328 | 1941 parse_line: |
| 7 | 1942 /* |
| 1943 * Figure out where the different strings are in this line. | |
| 1944 * For "normal" tags: Do a quick check if the tag matches. | |
| 1945 * This speeds up tag searching a lot! | |
| 1946 */ | |
| 3131 | 1947 if (orgpat.headlen |
| 7 | 1948 #ifdef FEAT_EMACS_TAGS |
| 1949 && !is_etag | |
| 1950 #endif | |
| 1951 ) | |
| 1952 { | |
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1953 vim_memset(&tagp, 0, sizeof(tagp)); |
| 7 | 1954 tagp.tagname = lbuf; |
| 1955 #ifdef FEAT_TAG_ANYWHITE | |
| 1956 tagp.tagname_end = skiptowhite(lbuf); | |
| 3192 | 1957 if (*tagp.tagname_end == NUL) |
| 7 | 1958 #else |
| 1959 tagp.tagname_end = vim_strchr(lbuf, TAB); | |
| 3192 | 1960 if (tagp.tagname_end == NULL) |
| 7 | 1961 #endif |
| 1962 { | |
| 3192 | 1963 if (vim_strchr(lbuf, NL) == NULL) |
| 1964 { | |
| 1965 /* Truncated line, ignore it. Has been reported for | |
| 1966 * Mozilla JS with extremely long names. */ | |
| 1967 if (p_verbose >= 5) | |
| 1968 { | |
| 1969 verbose_enter(); | |
| 1970 MSG(_("Ignoring long line in tags file")); | |
| 1971 verbose_leave(); | |
| 1972 } | |
| 3206 | 1973 #ifdef FEAT_TAG_BINS |
| 1974 if (state != TS_LINEAR) | |
| 1975 { | |
| 1976 /* Avoid getting stuck. */ | |
| 1977 linear = TRUE; | |
| 1978 state = TS_LINEAR; | |
|
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1979 vim_fseek(fp, search_info.low_offset, SEEK_SET); |
| 3206 | 1980 } |
| 1981 #endif | |
| 3192 | 1982 continue; |
| 1983 } | |
| 1984 | |
| 1985 /* Corrupted tag line. */ | |
| 7 | 1986 line_error = TRUE; |
| 1987 break; | |
| 1988 } | |
| 1989 | |
| 1990 #ifdef FEAT_TAG_OLDSTATIC | |
| 1991 /* | |
| 1992 * Check for old style static tag: "file:tag file .." | |
| 1993 */ | |
| 1994 tagp.fname = NULL; | |
| 1995 for (p = lbuf; p < tagp.tagname_end; ++p) | |
| 1996 { | |
| 1997 if (*p == ':') | |
| 1998 { | |
| 1999 if (tagp.fname == NULL) | |
|
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2000 # ifdef FEAT_TAG_ANYWHITE |
| 7 | 2001 tagp.fname = skipwhite(tagp.tagname_end); |
|
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2002 # else |
| 7 | 2003 tagp.fname = tagp.tagname_end + 1; |
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2004 # endif |
| 7 | 2005 if ( fnamencmp(lbuf, tagp.fname, p - lbuf) == 0 |
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2006 # ifdef FEAT_TAG_ANYWHITE |
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2007 && VIM_ISWHITE(tagp.fname[p - lbuf]) |
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2008 # else |
| 7 | 2009 && tagp.fname[p - lbuf] == TAB |
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2010 # endif |
| 7 | 2011 ) |
| 2012 { | |
| 2013 /* found one */ | |
| 2014 tagp.tagname = p + 1; | |
| 2015 break; | |
| 2016 } | |
| 2017 } | |
| 2018 } | |
| 2019 #endif | |
| 2020 | |
| 2021 /* | |
| 2022 * Skip this line if the length of the tag is different and | |
| 2023 * there is no regexp, or the tag is too short. | |
| 2024 */ | |
| 2025 cmplen = (int)(tagp.tagname_end - tagp.tagname); | |
| 2026 if (p_tl != 0 && cmplen > p_tl) /* adjust for 'taglength' */ | |
| 2027 cmplen = p_tl; | |
| 3131 | 2028 if (has_re && orgpat.headlen < cmplen) |
| 2029 cmplen = orgpat.headlen; | |
| 2030 else if (state == TS_LINEAR && orgpat.headlen != cmplen) | |
| 7 | 2031 continue; |
| 2032 | |
| 2033 #ifdef FEAT_TAG_BINS | |
| 2034 if (state == TS_BINARY) | |
| 2035 { | |
| 2036 /* | |
| 2037 * Simplistic check for unsorted tags file. | |
| 2038 */ | |
| 2039 i = (int)tagp.tagname[0]; | |
| 2040 if (sortic) | |
| 2041 i = (int)TOUPPER_ASC(tagp.tagname[0]); | |
| 2042 if (i < search_info.low_char || i > search_info.high_char) | |
| 2043 sort_error = TRUE; | |
| 2044 | |
| 2045 /* | |
| 2046 * Compare the current tag with the searched tag. | |
| 2047 */ | |
| 2048 if (sortic) | |
| 3131 | 2049 tagcmp = tag_strnicmp(tagp.tagname, orgpat.head, |
| 7 | 2050 (size_t)cmplen); |
| 2051 else | |
| 3131 | 2052 tagcmp = STRNCMP(tagp.tagname, orgpat.head, cmplen); |
| 7 | 2053 |
| 2054 /* | |
| 2055 * A match with a shorter tag means to search forward. | |
| 2056 * A match with a longer tag means to search backward. | |
| 2057 */ | |
| 2058 if (tagcmp == 0) | |
| 2059 { | |
| 3131 | 2060 if (cmplen < orgpat.headlen) |
| 7 | 2061 tagcmp = -1; |
| 3131 | 2062 else if (cmplen > orgpat.headlen) |
| 7 | 2063 tagcmp = 1; |
| 2064 } | |
| 2065 | |
| 2066 if (tagcmp == 0) | |
| 2067 { | |
| 2068 /* We've located the tag, now skip back and search | |
| 2069 * forward until the first matching tag is found. | |
| 2070 */ | |
| 2071 state = TS_SKIP_BACK; | |
| 2072 search_info.match_offset = search_info.curr_offset; | |
| 2073 continue; | |
| 2074 } | |
| 2075 if (tagcmp < 0) | |
| 2076 { | |
|
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2077 search_info.curr_offset = vim_ftell(fp); |
| 7 | 2078 if (search_info.curr_offset < search_info.high_offset) |
| 2079 { | |
| 2080 search_info.low_offset = search_info.curr_offset; | |
| 2081 if (sortic) | |
| 2082 search_info.low_char = | |
| 2083 TOUPPER_ASC(tagp.tagname[0]); | |
| 2084 else | |
| 2085 search_info.low_char = tagp.tagname[0]; | |
| 2086 continue; | |
| 2087 } | |
| 2088 } | |
| 2089 if (tagcmp > 0 | |
| 2090 && search_info.curr_offset != search_info.high_offset) | |
| 2091 { | |
| 2092 search_info.high_offset = search_info.curr_offset; | |
| 2093 if (sortic) | |
| 2094 search_info.high_char = | |
| 2095 TOUPPER_ASC(tagp.tagname[0]); | |
| 2096 else | |
| 2097 search_info.high_char = tagp.tagname[0]; | |
| 2098 continue; | |
| 2099 } | |
| 2100 | |
| 2101 /* No match yet and are at the end of the binary search. */ | |
| 2102 break; | |
| 2103 } | |
| 2104 else if (state == TS_SKIP_BACK) | |
| 2105 { | |
| 3131 | 2106 if (MB_STRNICMP(tagp.tagname, orgpat.head, cmplen) != 0) |
| 7 | 2107 state = TS_STEP_FORWARD; |
| 2108 else | |
| 2109 /* Have to skip back more. Restore the curr_offset | |
| 2110 * used, otherwise we get stuck at a long line. */ | |
| 2111 search_info.curr_offset = search_info.curr_offset_used; | |
| 2112 continue; | |
| 2113 } | |
| 2114 else if (state == TS_STEP_FORWARD) | |
| 2115 { | |
| 3131 | 2116 if (MB_STRNICMP(tagp.tagname, orgpat.head, cmplen) != 0) |
| 7 | 2117 { |
|
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2118 if ((off_T)vim_ftell(fp) > search_info.match_offset) |
| 7 | 2119 break; /* past last match */ |
| 2120 else | |
| 2121 continue; /* before first match */ | |
| 2122 } | |
| 2123 } | |
| 2124 else | |
| 2125 #endif | |
| 2126 /* skip this match if it can't match */ | |
| 3131 | 2127 if (MB_STRNICMP(tagp.tagname, orgpat.head, cmplen) != 0) |
| 7 | 2128 continue; |
| 2129 | |
| 2130 /* | |
| 2131 * Can be a matching tag, isolate the file name and command. | |
| 2132 */ | |
| 2133 #ifdef FEAT_TAG_OLDSTATIC | |
| 2134 if (tagp.fname == NULL) | |
| 2135 #endif | |
| 2136 #ifdef FEAT_TAG_ANYWHITE | |
| 2137 tagp.fname = skipwhite(tagp.tagname_end); | |
| 2138 #else | |
| 2139 tagp.fname = tagp.tagname_end + 1; | |
| 2140 #endif | |
| 2141 #ifdef FEAT_TAG_ANYWHITE | |
| 2142 tagp.fname_end = skiptowhite(tagp.fname); | |
| 2143 tagp.command = skipwhite(tagp.fname_end); | |
| 2144 if (*tagp.command == NUL) | |
| 2145 #else | |
| 2146 tagp.fname_end = vim_strchr(tagp.fname, TAB); | |
| 2147 tagp.command = tagp.fname_end + 1; | |
| 2148 if (tagp.fname_end == NULL) | |
| 2149 #endif | |
| 2150 i = FAIL; | |
| 2151 else | |
| 2152 i = OK; | |
| 2153 } | |
| 2154 else | |
| 2155 i = parse_tag_line(lbuf, | |
| 2156 #ifdef FEAT_EMACS_TAGS | |
| 2157 is_etag, | |
| 2158 #endif | |
| 2159 &tagp); | |
| 2160 if (i == FAIL) | |
| 2161 { | |
| 2162 line_error = TRUE; | |
| 2163 break; | |
| 2164 } | |
| 2165 | |
| 2166 #ifdef FEAT_EMACS_TAGS | |
| 2167 if (is_etag) | |
| 2168 tagp.fname = ebuf; | |
| 2169 #endif | |
| 2170 /* | |
| 2171 * First try matching with the pattern literally (also when it is | |
| 2172 * a regexp). | |
| 2173 */ | |
| 2174 cmplen = (int)(tagp.tagname_end - tagp.tagname); | |
| 2175 if (p_tl != 0 && cmplen > p_tl) /* adjust for 'taglength' */ | |
| 2176 cmplen = p_tl; | |
| 2177 /* if tag length does not match, don't try comparing */ | |
| 3131 | 2178 if (orgpat.len != cmplen) |
| 7 | 2179 match = FALSE; |
| 2180 else | |
| 2181 { | |
| 3131 | 2182 if (orgpat.regmatch.rm_ic) |
| 7 | 2183 { |
| 3131 | 2184 match = (MB_STRNICMP(tagp.tagname, orgpat.pat, cmplen) == 0); |
| 7 | 2185 if (match) |
| 3131 | 2186 match_no_ic = (STRNCMP(tagp.tagname, orgpat.pat, |
| 7 | 2187 cmplen) == 0); |
| 2188 } | |
| 2189 else | |
| 3131 | 2190 match = (STRNCMP(tagp.tagname, orgpat.pat, cmplen) == 0); |
| 7 | 2191 } |
| 2192 | |
| 2193 /* | |
| 2194 * Has a regexp: Also find tags matching regexp. | |
| 2195 */ | |
| 2196 match_re = FALSE; | |
| 3131 | 2197 if (!match && orgpat.regmatch.regprog != NULL) |
| 7 | 2198 { |
| 2199 int cc; | |
| 2200 | |
| 2201 cc = *tagp.tagname_end; | |
| 2202 *tagp.tagname_end = NUL; | |
| 3131 | 2203 match = vim_regexec(&orgpat.regmatch, tagp.tagname, (colnr_T)0); |
| 7 | 2204 if (match) |
| 2205 { | |
| 3131 | 2206 matchoff = (int)(orgpat.regmatch.startp[0] - tagp.tagname); |
| 2207 if (orgpat.regmatch.rm_ic) | |
| 7 | 2208 { |
| 3131 | 2209 orgpat.regmatch.rm_ic = FALSE; |
| 2210 match_no_ic = vim_regexec(&orgpat.regmatch, tagp.tagname, | |
| 7 | 2211 (colnr_T)0); |
| 3131 | 2212 orgpat.regmatch.rm_ic = TRUE; |
| 7 | 2213 } |
| 2214 } | |
| 2215 *tagp.tagname_end = cc; | |
| 2216 match_re = TRUE; | |
| 2217 } | |
| 2218 | |
| 2219 /* | |
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2220 * If a match is found, add it to ht_match[] and ga_match[]. |
| 7 | 2221 */ |
| 2222 if (match) | |
| 2223 { | |
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2224 int len = 0; |
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2225 |
| 7 | 2226 #ifdef FEAT_CSCOPE |
| 2227 if (use_cscope) | |
| 2228 { | |
| 2229 /* Don't change the ordering, always use the same table. */ | |
| 2230 mtt = MT_GL_OTH; | |
| 2231 } | |
| 2232 else | |
| 2233 #endif | |
| 2234 { | |
| 2235 /* Decide in which array to store this match. */ | |
| 2236 is_current = test_for_current( | |
| 2237 #ifdef FEAT_EMACS_TAGS | |
| 2238 is_etag, | |
| 2239 #endif | |
| 2240 tagp.fname, tagp.fname_end, tag_fname, | |
| 2241 buf_ffname); | |
| 2242 #ifdef FEAT_EMACS_TAGS | |
| 2243 is_static = FALSE; | |
| 2244 if (!is_etag) /* emacs tags are never static */ | |
| 2245 #endif | |
| 2246 { | |
| 2247 #ifdef FEAT_TAG_OLDSTATIC | |
| 2248 if (tagp.tagname != lbuf) | |
| 2249 is_static = TRUE; /* detected static tag before */ | |
| 2250 else | |
| 2251 #endif | |
| 2252 is_static = test_for_static(&tagp); | |
| 2253 } | |
| 2254 | |
| 2255 /* decide in which of the sixteen tables to store this | |
| 2256 * match */ | |
| 2257 if (is_static) | |
| 2258 { | |
| 2259 if (is_current) | |
| 2260 mtt = MT_ST_CUR; | |
| 2261 else | |
| 2262 mtt = MT_ST_OTH; | |
| 2263 } | |
| 2264 else | |
| 2265 { | |
| 2266 if (is_current) | |
| 2267 mtt = MT_GL_CUR; | |
| 2268 else | |
| 2269 mtt = MT_GL_OTH; | |
| 2270 } | |
| 3131 | 2271 if (orgpat.regmatch.rm_ic && !match_no_ic) |
| 7 | 2272 mtt += MT_IC_OFF; |
| 2273 if (match_re) | |
| 2274 mtt += MT_RE_OFF; | |
| 2275 } | |
| 2276 | |
| 2277 /* | |
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2278 * Add the found match in ht_match[mtt] and ga_match[mtt]. |
| 7 | 2279 * Store the info we need later, which depends on the kind of |
| 2280 * tags we are dealing with. | |
| 2281 */ | |
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2282 if (help_only) |
| 7 | 2283 { |
| 2284 #ifdef FEAT_MULTI_LANG | |
| 2285 # define ML_EXTRA 3 | |
| 2286 #else | |
| 2287 # define ML_EXTRA 0 | |
| 2288 #endif | |
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2289 /* |
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2290 * Append the help-heuristic number after the tagname, for |
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2291 * sorting it later. The heuristic is ignored for |
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2292 * detecting duplicates. |
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2293 * The format is {tagname}@{lang}NUL{heuristic}NUL |
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2294 */ |
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2295 *tagp.tagname_end = NUL; |
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2296 len = (int)(tagp.tagname_end - tagp.tagname); |
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2297 mfp = (char_u *)alloc((int)sizeof(char_u) |
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2298 + len + 10 + ML_EXTRA + 1); |
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2299 if (mfp != NULL) |
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2300 { |
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2301 int heuristic; |
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2302 |
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2303 p = mfp; |
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2304 STRCPY(p, tagp.tagname); |
| 7 | 2305 #ifdef FEAT_MULTI_LANG |
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2306 p[len] = '@'; |
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2307 STRCPY(p + len + 1, help_lang); |
| 7 | 2308 #endif |
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2309 |
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2310 heuristic = help_heuristic(tagp.tagname, |
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2311 match_re ? matchoff : 0, !match_no_ic); |
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2312 #ifdef FEAT_MULTI_LANG |
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2313 heuristic += help_pri; |
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2314 #endif |
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2315 sprintf((char *)p + len + 1 + ML_EXTRA, "%06d", |
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2316 heuristic); |
| 7 | 2317 } |
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2318 *tagp.tagname_end = TAB; |
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2319 } |
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2320 else if (name_only) |
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2321 { |
|
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patch 8.0.0190: finding duplicate tags uses a slow linear search
Christian Brabandt <cb@256bit.org>
parents:
10444
diff
changeset
|
2322 if (get_it_again) |
| 7 | 2323 { |
|
10601
1b09db809d3f
patch 8.0.0190: finding duplicate tags uses a slow linear search
Christian Brabandt <cb@256bit.org>
parents:
10444
diff
changeset
|
2324 char_u *temp_end = tagp.command; |
|
1b09db809d3f
patch 8.0.0190: finding duplicate tags uses a slow linear search
Christian Brabandt <cb@256bit.org>
parents:
10444
diff
changeset
|
2325 |
|
1b09db809d3f
patch 8.0.0190: finding duplicate tags uses a slow linear search
Christian Brabandt <cb@256bit.org>
parents:
10444
diff
changeset
|
2326 if (*temp_end == '/') |
|
1b09db809d3f
patch 8.0.0190: finding duplicate tags uses a slow linear search
Christian Brabandt <cb@256bit.org>
parents:
10444
diff
changeset
|
2327 while (*temp_end && *temp_end != '\r' |
|
1b09db809d3f
patch 8.0.0190: finding duplicate tags uses a slow linear search
Christian Brabandt <cb@256bit.org>
parents:
10444
diff
changeset
|
2328 && *temp_end != '\n' |
|
1b09db809d3f
patch 8.0.0190: finding duplicate tags uses a slow linear search
Christian Brabandt <cb@256bit.org>
parents:
10444
diff
changeset
|
2329 && *temp_end != '$') |
|
1b09db809d3f
patch 8.0.0190: finding duplicate tags uses a slow linear search
Christian Brabandt <cb@256bit.org>
parents:
10444
diff
changeset
|
2330 temp_end++; |
|
1b09db809d3f
patch 8.0.0190: finding duplicate tags uses a slow linear search
Christian Brabandt <cb@256bit.org>
parents:
10444
diff
changeset
|
2331 |
|
1b09db809d3f
patch 8.0.0190: finding duplicate tags uses a slow linear search
Christian Brabandt <cb@256bit.org>
parents:
10444
diff
changeset
|
2332 if (tagp.command + 2 < temp_end) |
| 7 | 2333 { |
|
10601
1b09db809d3f
patch 8.0.0190: finding duplicate tags uses a slow linear search
Christian Brabandt <cb@256bit.org>
parents:
10444
diff
changeset
|
2334 len = (int)(temp_end - tagp.command - 2); |
|
10611
6bff81438f27
patch 8.0.0195: fail to jump to static tag in current file
Christian Brabandt <cb@256bit.org>
parents:
10601
diff
changeset
|
2335 mfp = (char_u *)alloc(len + 2); |
|
10601
1b09db809d3f
patch 8.0.0190: finding duplicate tags uses a slow linear search
Christian Brabandt <cb@256bit.org>
parents:
10444
diff
changeset
|
2336 if (mfp != NULL) |
|
1b09db809d3f
patch 8.0.0190: finding duplicate tags uses a slow linear search
Christian Brabandt <cb@256bit.org>
parents:
10444
diff
changeset
|
2337 vim_strncpy(mfp, tagp.command + 2, len); |
| 7 | 2338 } |
| 2339 else | |
|
10601
1b09db809d3f
patch 8.0.0190: finding duplicate tags uses a slow linear search
Christian Brabandt <cb@256bit.org>
parents:
10444
diff
changeset
|
2340 mfp = NULL; |
|
1b09db809d3f
patch 8.0.0190: finding duplicate tags uses a slow linear search
Christian Brabandt <cb@256bit.org>
parents:
10444
diff
changeset
|
2341 get_it_again = FALSE; |
| 7 | 2342 } |
| 2343 else | |
| 2344 { | |
|
10601
1b09db809d3f
patch 8.0.0190: finding duplicate tags uses a slow linear search
Christian Brabandt <cb@256bit.org>
parents:
10444
diff
changeset
|
2345 len = (int)(tagp.tagname_end - tagp.tagname); |
|
1b09db809d3f
patch 8.0.0190: finding duplicate tags uses a slow linear search
Christian Brabandt <cb@256bit.org>
parents:
10444
diff
changeset
|
2346 mfp = (char_u *)alloc((int)sizeof(char_u) + len + 1); |
|
1b09db809d3f
patch 8.0.0190: finding duplicate tags uses a slow linear search
Christian Brabandt <cb@256bit.org>
parents:
10444
diff
changeset
|
2347 if (mfp != NULL) |
|
1b09db809d3f
patch 8.0.0190: finding duplicate tags uses a slow linear search
Christian Brabandt <cb@256bit.org>
parents:
10444
diff
changeset
|
2348 vim_strncpy(mfp, tagp.tagname, len); |
|
1b09db809d3f
patch 8.0.0190: finding duplicate tags uses a slow linear search
Christian Brabandt <cb@256bit.org>
parents:
10444
diff
changeset
|
2349 |
|
1b09db809d3f
patch 8.0.0190: finding duplicate tags uses a slow linear search
Christian Brabandt <cb@256bit.org>
parents:
10444
diff
changeset
|
2350 /* if wanted, re-read line to get long form too */ |
|
1b09db809d3f
patch 8.0.0190: finding duplicate tags uses a slow linear search
Christian Brabandt <cb@256bit.org>
parents:
10444
diff
changeset
|
2351 if (State & INSERT) |
|
1b09db809d3f
patch 8.0.0190: finding duplicate tags uses a slow linear search
Christian Brabandt <cb@256bit.org>
parents:
10444
diff
changeset
|
2352 get_it_again = p_sft; |
|
1b09db809d3f
patch 8.0.0190: finding duplicate tags uses a slow linear search
Christian Brabandt <cb@256bit.org>
parents:
10444
diff
changeset
|
2353 } |
|
1b09db809d3f
patch 8.0.0190: finding duplicate tags uses a slow linear search
Christian Brabandt <cb@256bit.org>
parents:
10444
diff
changeset
|
2354 } |
|
1b09db809d3f
patch 8.0.0190: finding duplicate tags uses a slow linear search
Christian Brabandt <cb@256bit.org>
parents:
10444
diff
changeset
|
2355 else |
|
1b09db809d3f
patch 8.0.0190: finding duplicate tags uses a slow linear search
Christian Brabandt <cb@256bit.org>
parents:
10444
diff
changeset
|
2356 { |
|
11329
c7ba89661c39
patch 8.0.0550: cannot parse some etags format tags file
Christian Brabandt <cb@256bit.org>
parents:
11238
diff
changeset
|
2357 #define TAG_SEP 0x02 |
|
10601
1b09db809d3f
patch 8.0.0190: finding duplicate tags uses a slow linear search
Christian Brabandt <cb@256bit.org>
parents:
10444
diff
changeset
|
2358 size_t tag_fname_len = STRLEN(tag_fname); |
|
1b09db809d3f
patch 8.0.0190: finding duplicate tags uses a slow linear search
Christian Brabandt <cb@256bit.org>
parents:
10444
diff
changeset
|
2359 #ifdef FEAT_EMACS_TAGS |
|
1b09db809d3f
patch 8.0.0190: finding duplicate tags uses a slow linear search
Christian Brabandt <cb@256bit.org>
parents:
10444
diff
changeset
|
2360 size_t ebuf_len = 0; |
|
1b09db809d3f
patch 8.0.0190: finding duplicate tags uses a slow linear search
Christian Brabandt <cb@256bit.org>
parents:
10444
diff
changeset
|
2361 #endif |
|
1b09db809d3f
patch 8.0.0190: finding duplicate tags uses a slow linear search
Christian Brabandt <cb@256bit.org>
parents:
10444
diff
changeset
|
2362 |
|
1b09db809d3f
patch 8.0.0190: finding duplicate tags uses a slow linear search
Christian Brabandt <cb@256bit.org>
parents:
10444
diff
changeset
|
2363 /* Save the tag in a buffer. |
|
11329
c7ba89661c39
patch 8.0.0550: cannot parse some etags format tags file
Christian Brabandt <cb@256bit.org>
parents:
11238
diff
changeset
|
2364 * Use 0x02 to separate fields (Can't use NUL because the |
|
c7ba89661c39
patch 8.0.0550: cannot parse some etags format tags file
Christian Brabandt <cb@256bit.org>
parents:
11238
diff
changeset
|
2365 * hash key is terminated by NUL, or Ctrl_A because that is |
|
c7ba89661c39
patch 8.0.0550: cannot parse some etags format tags file
Christian Brabandt <cb@256bit.org>
parents:
11238
diff
changeset
|
2366 * part of some Emacs tag files -- see parse_tag_line). |
|
c7ba89661c39
patch 8.0.0550: cannot parse some etags format tags file
Christian Brabandt <cb@256bit.org>
parents:
11238
diff
changeset
|
2367 * Emacs tag: <mtt><tag_fname><0x02><ebuf><0x02><lbuf><NUL> |
|
c7ba89661c39
patch 8.0.0550: cannot parse some etags format tags file
Christian Brabandt <cb@256bit.org>
parents:
11238
diff
changeset
|
2368 * other tag: <mtt><tag_fname><0x02><0x02><lbuf><NUL> |
|
c7ba89661c39
patch 8.0.0550: cannot parse some etags format tags file
Christian Brabandt <cb@256bit.org>
parents:
11238
diff
changeset
|
2369 * without Emacs tags: <mtt><tag_fname><0x02><lbuf><NUL> |
|
10611
6bff81438f27
patch 8.0.0195: fail to jump to static tag in current file
Christian Brabandt <cb@256bit.org>
parents:
10601
diff
changeset
|
2370 * Here <mtt> is the "mtt" value plus 1 to avoid NUL. |
|
10601
1b09db809d3f
patch 8.0.0190: finding duplicate tags uses a slow linear search
Christian Brabandt <cb@256bit.org>
parents:
10444
diff
changeset
|
2371 */ |
|
1b09db809d3f
patch 8.0.0190: finding duplicate tags uses a slow linear search
Christian Brabandt <cb@256bit.org>
parents:
10444
diff
changeset
|
2372 len = (int)tag_fname_len + (int)STRLEN(lbuf) + 3; |
|
1b09db809d3f
patch 8.0.0190: finding duplicate tags uses a slow linear search
Christian Brabandt <cb@256bit.org>
parents:
10444
diff
changeset
|
2373 #ifdef FEAT_EMACS_TAGS |
|
1b09db809d3f
patch 8.0.0190: finding duplicate tags uses a slow linear search
Christian Brabandt <cb@256bit.org>
parents:
10444
diff
changeset
|
2374 if (is_etag) |
|
1b09db809d3f
patch 8.0.0190: finding duplicate tags uses a slow linear search
Christian Brabandt <cb@256bit.org>
parents:
10444
diff
changeset
|
2375 { |
|
1b09db809d3f
patch 8.0.0190: finding duplicate tags uses a slow linear search
Christian Brabandt <cb@256bit.org>
parents:
10444
diff
changeset
|
2376 ebuf_len = STRLEN(ebuf); |
|
1b09db809d3f
patch 8.0.0190: finding duplicate tags uses a slow linear search
Christian Brabandt <cb@256bit.org>
parents:
10444
diff
changeset
|
2377 len += (int)ebuf_len + 1; |
|
1b09db809d3f
patch 8.0.0190: finding duplicate tags uses a slow linear search
Christian Brabandt <cb@256bit.org>
parents:
10444
diff
changeset
|
2378 } |
|
1b09db809d3f
patch 8.0.0190: finding duplicate tags uses a slow linear search
Christian Brabandt <cb@256bit.org>
parents:
10444
diff
changeset
|
2379 else |
|
1b09db809d3f
patch 8.0.0190: finding duplicate tags uses a slow linear search
Christian Brabandt <cb@256bit.org>
parents:
10444
diff
changeset
|
2380 ++len; |
|
1b09db809d3f
patch 8.0.0190: finding duplicate tags uses a slow linear search
Christian Brabandt <cb@256bit.org>
parents:
10444
diff
changeset
|
2381 #endif |
|
1b09db809d3f
patch 8.0.0190: finding duplicate tags uses a slow linear search
Christian Brabandt <cb@256bit.org>
parents:
10444
diff
changeset
|
2382 mfp = (char_u *)alloc((int)sizeof(char_u) + len + 1); |
|
1b09db809d3f
patch 8.0.0190: finding duplicate tags uses a slow linear search
Christian Brabandt <cb@256bit.org>
parents:
10444
diff
changeset
|
2383 if (mfp != NULL) |
|
1b09db809d3f
patch 8.0.0190: finding duplicate tags uses a slow linear search
Christian Brabandt <cb@256bit.org>
parents:
10444
diff
changeset
|
2384 { |
|
1b09db809d3f
patch 8.0.0190: finding duplicate tags uses a slow linear search
Christian Brabandt <cb@256bit.org>
parents:
10444
diff
changeset
|
2385 p = mfp; |
|
10611
6bff81438f27
patch 8.0.0195: fail to jump to static tag in current file
Christian Brabandt <cb@256bit.org>
parents:
10601
diff
changeset
|
2386 p[0] = mtt + 1; |
|
10601
1b09db809d3f
patch 8.0.0190: finding duplicate tags uses a slow linear search
Christian Brabandt <cb@256bit.org>
parents:
10444
diff
changeset
|
2387 STRCPY(p + 1, tag_fname); |
|
1b09db809d3f
patch 8.0.0190: finding duplicate tags uses a slow linear search
Christian Brabandt <cb@256bit.org>
parents:
10444
diff
changeset
|
2388 #ifdef BACKSLASH_IN_FILENAME |
|
1b09db809d3f
patch 8.0.0190: finding duplicate tags uses a slow linear search
Christian Brabandt <cb@256bit.org>
parents:
10444
diff
changeset
|
2389 /* Ignore differences in slashes, avoid adding |
|
1b09db809d3f
patch 8.0.0190: finding duplicate tags uses a slow linear search
Christian Brabandt <cb@256bit.org>
parents:
10444
diff
changeset
|
2390 * both path/file and path\file. */ |
|
1b09db809d3f
patch 8.0.0190: finding duplicate tags uses a slow linear search
Christian Brabandt <cb@256bit.org>
parents:
10444
diff
changeset
|
2391 slash_adjust(p + 1); |
|
1b09db809d3f
patch 8.0.0190: finding duplicate tags uses a slow linear search
Christian Brabandt <cb@256bit.org>
parents:
10444
diff
changeset
|
2392 #endif |
|
1b09db809d3f
patch 8.0.0190: finding duplicate tags uses a slow linear search
Christian Brabandt <cb@256bit.org>
parents:
10444
diff
changeset
|
2393 p[tag_fname_len + 1] = TAG_SEP; |
|
1b09db809d3f
patch 8.0.0190: finding duplicate tags uses a slow linear search
Christian Brabandt <cb@256bit.org>
parents:
10444
diff
changeset
|
2394 s = p + 1 + tag_fname_len + 1; |
| 7 | 2395 #ifdef FEAT_EMACS_TAGS |
| 2396 if (is_etag) | |
| 2397 { | |
|
10601
1b09db809d3f
patch 8.0.0190: finding duplicate tags uses a slow linear search
Christian Brabandt <cb@256bit.org>
parents:
10444
diff
changeset
|
2398 STRCPY(s, ebuf); |
|
1b09db809d3f
patch 8.0.0190: finding duplicate tags uses a slow linear search
Christian Brabandt <cb@256bit.org>
parents:
10444
diff
changeset
|
2399 s[ebuf_len] = TAG_SEP; |
|
1b09db809d3f
patch 8.0.0190: finding duplicate tags uses a slow linear search
Christian Brabandt <cb@256bit.org>
parents:
10444
diff
changeset
|
2400 s += ebuf_len + 1; |
| 7 | 2401 } |
| 2402 else | |
|
10601
1b09db809d3f
patch 8.0.0190: finding duplicate tags uses a slow linear search
Christian Brabandt <cb@256bit.org>
parents:
10444
diff
changeset
|
2403 *s++ = TAG_SEP; |
|
1b09db809d3f
patch 8.0.0190: finding duplicate tags uses a slow linear search
Christian Brabandt <cb@256bit.org>
parents:
10444
diff
changeset
|
2404 #endif |
|
1b09db809d3f
patch 8.0.0190: finding duplicate tags uses a slow linear search
Christian Brabandt <cb@256bit.org>
parents:
10444
diff
changeset
|
2405 STRCPY(s, lbuf); |
| 7 | 2406 } |
| 2407 } | |
|
10601
1b09db809d3f
patch 8.0.0190: finding duplicate tags uses a slow linear search
Christian Brabandt <cb@256bit.org>
parents:
10444
diff
changeset
|
2408 |
|
1b09db809d3f
patch 8.0.0190: finding duplicate tags uses a slow linear search
Christian Brabandt <cb@256bit.org>
parents:
10444
diff
changeset
|
2409 if (mfp != NULL) |
| 7 | 2410 { |
|
10601
1b09db809d3f
patch 8.0.0190: finding duplicate tags uses a slow linear search
Christian Brabandt <cb@256bit.org>
parents:
10444
diff
changeset
|
2411 hashitem_T *hi; |
|
1b09db809d3f
patch 8.0.0190: finding duplicate tags uses a slow linear search
Christian Brabandt <cb@256bit.org>
parents:
10444
diff
changeset
|
2412 |
|
1b09db809d3f
patch 8.0.0190: finding duplicate tags uses a slow linear search
Christian Brabandt <cb@256bit.org>
parents:
10444
diff
changeset
|
2413 /* |
|
1b09db809d3f
patch 8.0.0190: finding duplicate tags uses a slow linear search
Christian Brabandt <cb@256bit.org>
parents:
10444
diff
changeset
|
2414 * Don't add identical matches. |
|
1b09db809d3f
patch 8.0.0190: finding duplicate tags uses a slow linear search
Christian Brabandt <cb@256bit.org>
parents:
10444
diff
changeset
|
2415 * Add all cscope tags, because they are all listed. |
|
1b09db809d3f
patch 8.0.0190: finding duplicate tags uses a slow linear search
Christian Brabandt <cb@256bit.org>
parents:
10444
diff
changeset
|
2416 * "mfp" is used as a hash key, there is a NUL byte to end |
|
1b09db809d3f
patch 8.0.0190: finding duplicate tags uses a slow linear search
Christian Brabandt <cb@256bit.org>
parents:
10444
diff
changeset
|
2417 * the part matters for comparing, more bytes may follow |
|
1b09db809d3f
patch 8.0.0190: finding duplicate tags uses a slow linear search
Christian Brabandt <cb@256bit.org>
parents:
10444
diff
changeset
|
2418 * after it. E.g. help tags store the priority after the |
|
1b09db809d3f
patch 8.0.0190: finding duplicate tags uses a slow linear search
Christian Brabandt <cb@256bit.org>
parents:
10444
diff
changeset
|
2419 * NUL. |
|
1b09db809d3f
patch 8.0.0190: finding duplicate tags uses a slow linear search
Christian Brabandt <cb@256bit.org>
parents:
10444
diff
changeset
|
2420 */ |
|
1b09db809d3f
patch 8.0.0190: finding duplicate tags uses a slow linear search
Christian Brabandt <cb@256bit.org>
parents:
10444
diff
changeset
|
2421 #ifdef FEAT_CSCOPE |
|
1b09db809d3f
patch 8.0.0190: finding duplicate tags uses a slow linear search
Christian Brabandt <cb@256bit.org>
parents:
10444
diff
changeset
|
2422 if (use_cscope) |
|
1b09db809d3f
patch 8.0.0190: finding duplicate tags uses a slow linear search
Christian Brabandt <cb@256bit.org>
parents:
10444
diff
changeset
|
2423 hash++; |
|
1b09db809d3f
patch 8.0.0190: finding duplicate tags uses a slow linear search
Christian Brabandt <cb@256bit.org>
parents:
10444
diff
changeset
|
2424 else |
|
1b09db809d3f
patch 8.0.0190: finding duplicate tags uses a slow linear search
Christian Brabandt <cb@256bit.org>
parents:
10444
diff
changeset
|
2425 #endif |
|
1b09db809d3f
patch 8.0.0190: finding duplicate tags uses a slow linear search
Christian Brabandt <cb@256bit.org>
parents:
10444
diff
changeset
|
2426 hash = hash_hash(mfp); |
|
1b09db809d3f
patch 8.0.0190: finding duplicate tags uses a slow linear search
Christian Brabandt <cb@256bit.org>
parents:
10444
diff
changeset
|
2427 hi = hash_lookup(&ht_match[mtt], mfp, hash); |
|
1b09db809d3f
patch 8.0.0190: finding duplicate tags uses a slow linear search
Christian Brabandt <cb@256bit.org>
parents:
10444
diff
changeset
|
2428 if (HASHITEM_EMPTY(hi)) |
|
1b09db809d3f
patch 8.0.0190: finding duplicate tags uses a slow linear search
Christian Brabandt <cb@256bit.org>
parents:
10444
diff
changeset
|
2429 { |
|
1b09db809d3f
patch 8.0.0190: finding duplicate tags uses a slow linear search
Christian Brabandt <cb@256bit.org>
parents:
10444
diff
changeset
|
2430 if (hash_add_item(&ht_match[mtt], hi, mfp, hash) |
|
11008
0ecd07cd2e43
patch 8.0.0393: order of duplicate tags is not preserved
Christian Brabandt <cb@256bit.org>
parents:
10666
diff
changeset
|
2431 == FAIL |
|
0ecd07cd2e43
patch 8.0.0393: order of duplicate tags is not preserved
Christian Brabandt <cb@256bit.org>
parents:
10666
diff
changeset
|
2432 || ga_grow(&ga_match[mtt], 1) != OK) |
|
10601
1b09db809d3f
patch 8.0.0190: finding duplicate tags uses a slow linear search
Christian Brabandt <cb@256bit.org>
parents:
10444
diff
changeset
|
2433 { |
|
1b09db809d3f
patch 8.0.0190: finding duplicate tags uses a slow linear search
Christian Brabandt <cb@256bit.org>
parents:
10444
diff
changeset
|
2434 /* Out of memory! Just forget about the rest. */ |
|
1b09db809d3f
patch 8.0.0190: finding duplicate tags uses a slow linear search
Christian Brabandt <cb@256bit.org>
parents:
10444
diff
changeset
|
2435 retval = OK; |
|
1b09db809d3f
patch 8.0.0190: finding duplicate tags uses a slow linear search
Christian Brabandt <cb@256bit.org>
parents:
10444
diff
changeset
|
2436 stop_searching = TRUE; |
|
1b09db809d3f
patch 8.0.0190: finding duplicate tags uses a slow linear search
Christian Brabandt <cb@256bit.org>
parents:
10444
diff
changeset
|
2437 break; |
|
1b09db809d3f
patch 8.0.0190: finding duplicate tags uses a slow linear search
Christian Brabandt <cb@256bit.org>
parents:
10444
diff
changeset
|
2438 } |
|
1b09db809d3f
patch 8.0.0190: finding duplicate tags uses a slow linear search
Christian Brabandt <cb@256bit.org>
parents:
10444
diff
changeset
|
2439 else |
|
11008
0ecd07cd2e43
patch 8.0.0393: order of duplicate tags is not preserved
Christian Brabandt <cb@256bit.org>
parents:
10666
diff
changeset
|
2440 { |
|
0ecd07cd2e43
patch 8.0.0393: order of duplicate tags is not preserved
Christian Brabandt <cb@256bit.org>
parents:
10666
diff
changeset
|
2441 ((char_u **)(ga_match[mtt].ga_data)) |
|
0ecd07cd2e43
patch 8.0.0393: order of duplicate tags is not preserved
Christian Brabandt <cb@256bit.org>
parents:
10666
diff
changeset
|
2442 [ga_match[mtt].ga_len++] = mfp; |
|
10601
1b09db809d3f
patch 8.0.0190: finding duplicate tags uses a slow linear search
Christian Brabandt <cb@256bit.org>
parents:
10444
diff
changeset
|
2443 ++match_count; |
|
11008
0ecd07cd2e43
patch 8.0.0393: order of duplicate tags is not preserved
Christian Brabandt <cb@256bit.org>
parents:
10666
diff
changeset
|
2444 } |
|
10601
1b09db809d3f
patch 8.0.0190: finding duplicate tags uses a slow linear search
Christian Brabandt <cb@256bit.org>
parents:
10444
diff
changeset
|
2445 } |
|
1b09db809d3f
patch 8.0.0190: finding duplicate tags uses a slow linear search
Christian Brabandt <cb@256bit.org>
parents:
10444
diff
changeset
|
2446 else |
|
1b09db809d3f
patch 8.0.0190: finding duplicate tags uses a slow linear search
Christian Brabandt <cb@256bit.org>
parents:
10444
diff
changeset
|
2447 /* duplicate tag, drop it */ |
|
1b09db809d3f
patch 8.0.0190: finding duplicate tags uses a slow linear search
Christian Brabandt <cb@256bit.org>
parents:
10444
diff
changeset
|
2448 vim_free(mfp); |
| 7 | 2449 } |
| 2450 } | |
| 2451 #ifdef FEAT_CSCOPE | |
| 2452 if (use_cscope && eof) | |
| 2453 break; | |
| 2454 #endif | |
| 2455 } /* forever */ | |
| 2456 | |
| 2457 if (line_error) | |
| 2458 { | |
| 2459 EMSG2(_("E431: Format error in tags file \"%s\""), tag_fname); | |
| 2460 #ifdef FEAT_CSCOPE | |
| 2461 if (!use_cscope) | |
| 2462 #endif | |
|
9387
f094d4085014
commit https://github.com/vim/vim/commit/8767f52fbfd4f053ce00a978227c95f1d7d323fe
Christian Brabandt <cb@256bit.org>
parents:
9068
diff
changeset
|
2463 EMSGN(_("Before byte %ld"), (long)vim_ftell(fp)); |
| 7 | 2464 stop_searching = TRUE; |
| 2465 line_error = FALSE; | |
| 2466 } | |
| 2467 | |
| 2468 #ifdef FEAT_CSCOPE | |
| 2469 if (!use_cscope) | |
| 2470 #endif | |
| 2471 fclose(fp); | |
| 2472 #ifdef FEAT_EMACS_TAGS | |
| 2473 while (incstack_idx) | |
| 2474 { | |
| 2475 --incstack_idx; | |
| 2476 fclose(incstack[incstack_idx].fp); | |
| 2477 vim_free(incstack[incstack_idx].etag_fname); | |
| 2478 } | |
| 2479 #endif | |
| 2480 #ifdef FEAT_MBYTE | |
| 2481 if (vimconv.vc_type != CONV_NONE) | |
| 2482 convert_setup(&vimconv, NULL, NULL); | |
| 2483 #endif | |
| 2484 | |
| 2485 #ifdef FEAT_TAG_BINS | |
| 3131 | 2486 tag_file_sorted = NUL; |
| 7 | 2487 if (sort_error) |
| 2488 { | |
| 2489 EMSG2(_("E432: Tags file not sorted: %s"), tag_fname); | |
| 2490 sort_error = FALSE; | |
| 2491 } | |
| 2492 #endif | |
| 2493 | |
| 2494 /* | |
| 2495 * Stop searching if sufficient tags have been found. | |
| 2496 */ | |
| 2497 if (match_count >= mincount) | |
| 2498 { | |
| 2499 retval = OK; | |
| 2500 stop_searching = TRUE; | |
| 2501 } | |
| 2502 | |
| 2503 #ifdef FEAT_CSCOPE | |
| 2504 if (stop_searching || use_cscope) | |
| 2505 #else | |
| 2506 if (stop_searching) | |
| 2507 #endif | |
| 2508 break; | |
| 2509 | |
| 2510 } /* end of for-each-file loop */ | |
| 2511 | |
| 692 | 2512 #ifdef FEAT_CSCOPE |
| 2513 if (!use_cscope) | |
| 2514 #endif | |
| 2515 tagname_free(&tn); | |
| 2516 | |
| 7 | 2517 #ifdef FEAT_TAG_BINS |
| 413 | 2518 /* stop searching when already did a linear search, or when TAG_NOIC |
| 2519 * used, and 'ignorecase' not set or already did case-ignore search */ | |
| 3131 | 2520 if (stop_searching || linear || (!p_ic && noic) || orgpat.regmatch.rm_ic) |
| 7 | 2521 break; |
| 2522 # ifdef FEAT_CSCOPE | |
| 2523 if (use_cscope) | |
| 2524 break; | |
| 2525 # endif | |
| 3131 | 2526 orgpat.regmatch.rm_ic = TRUE; /* try another time while ignoring case */ |
| 7 | 2527 } |
| 2528 #endif | |
| 2529 | |
| 2530 if (!stop_searching) | |
| 2531 { | |
| 2532 if (!did_open && verbose) /* never opened any tags file */ | |
| 2533 EMSG(_("E433: No tags file")); | |
| 2534 retval = OK; /* It's OK even when no tag found */ | |
| 2535 } | |
| 2536 | |
| 2537 findtag_end: | |
| 2538 vim_free(lbuf); | |
|
4805
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
3804
diff
changeset
|
2539 vim_regfree(orgpat.regmatch.regprog); |
| 7 | 2540 vim_free(tag_fname); |
| 2541 #ifdef FEAT_EMACS_TAGS | |
| 2542 vim_free(ebuf); | |
| 2543 #endif | |
| 2544 | |
| 2545 /* | |
|
11008
0ecd07cd2e43
patch 8.0.0393: order of duplicate tags is not preserved
Christian Brabandt <cb@256bit.org>
parents:
10666
diff
changeset
|
2546 * Move the matches from the ga_match[] arrays into one list of |
| 7 | 2547 * matches. When retval == FAIL, free the matches. |
| 2548 */ | |
| 2549 if (retval == FAIL) | |
| 2550 match_count = 0; | |
| 2551 | |
| 2552 if (match_count > 0) | |
| 2553 matches = (char_u **)lalloc((long_u)(match_count * sizeof(char_u *)), | |
| 2554 TRUE); | |
| 2555 else | |
| 2556 matches = NULL; | |
| 2557 match_count = 0; | |
| 2558 for (mtt = 0; mtt < MT_COUNT; ++mtt) | |
| 2559 { | |
|
11008
0ecd07cd2e43
patch 8.0.0393: order of duplicate tags is not preserved
Christian Brabandt <cb@256bit.org>
parents:
10666
diff
changeset
|
2560 for (i = 0; i < ga_match[mtt].ga_len; ++i) |
| 7 | 2561 { |
|
11008
0ecd07cd2e43
patch 8.0.0393: order of duplicate tags is not preserved
Christian Brabandt <cb@256bit.org>
parents:
10666
diff
changeset
|
2562 mfp = ((char_u **)(ga_match[mtt].ga_data))[i]; |
|
0ecd07cd2e43
patch 8.0.0393: order of duplicate tags is not preserved
Christian Brabandt <cb@256bit.org>
parents:
10666
diff
changeset
|
2563 if (matches == NULL) |
|
0ecd07cd2e43
patch 8.0.0393: order of duplicate tags is not preserved
Christian Brabandt <cb@256bit.org>
parents:
10666
diff
changeset
|
2564 vim_free(mfp); |
|
0ecd07cd2e43
patch 8.0.0393: order of duplicate tags is not preserved
Christian Brabandt <cb@256bit.org>
parents:
10666
diff
changeset
|
2565 else |
| 7 | 2566 { |
|
11008
0ecd07cd2e43
patch 8.0.0393: order of duplicate tags is not preserved
Christian Brabandt <cb@256bit.org>
parents:
10666
diff
changeset
|
2567 if (!name_only) |
|
10601
1b09db809d3f
patch 8.0.0190: finding duplicate tags uses a slow linear search
Christian Brabandt <cb@256bit.org>
parents:
10444
diff
changeset
|
2568 { |
|
11008
0ecd07cd2e43
patch 8.0.0393: order of duplicate tags is not preserved
Christian Brabandt <cb@256bit.org>
parents:
10666
diff
changeset
|
2569 /* Change mtt back to zero-based. */ |
|
0ecd07cd2e43
patch 8.0.0393: order of duplicate tags is not preserved
Christian Brabandt <cb@256bit.org>
parents:
10666
diff
changeset
|
2570 *mfp = *mfp - 1; |
|
0ecd07cd2e43
patch 8.0.0393: order of duplicate tags is not preserved
Christian Brabandt <cb@256bit.org>
parents:
10666
diff
changeset
|
2571 |
|
0ecd07cd2e43
patch 8.0.0393: order of duplicate tags is not preserved
Christian Brabandt <cb@256bit.org>
parents:
10666
diff
changeset
|
2572 /* change the TAG_SEP back to NUL */ |
|
0ecd07cd2e43
patch 8.0.0393: order of duplicate tags is not preserved
Christian Brabandt <cb@256bit.org>
parents:
10666
diff
changeset
|
2573 for (p = mfp + 1; *p != NUL; ++p) |
|
0ecd07cd2e43
patch 8.0.0393: order of duplicate tags is not preserved
Christian Brabandt <cb@256bit.org>
parents:
10666
diff
changeset
|
2574 if (*p == TAG_SEP) |
|
0ecd07cd2e43
patch 8.0.0393: order of duplicate tags is not preserved
Christian Brabandt <cb@256bit.org>
parents:
10666
diff
changeset
|
2575 *p = NUL; |
|
10601
1b09db809d3f
patch 8.0.0190: finding duplicate tags uses a slow linear search
Christian Brabandt <cb@256bit.org>
parents:
10444
diff
changeset
|
2576 } |
|
11008
0ecd07cd2e43
patch 8.0.0393: order of duplicate tags is not preserved
Christian Brabandt <cb@256bit.org>
parents:
10666
diff
changeset
|
2577 matches[match_count++] = (char_u *)mfp; |
| 7 | 2578 } |
| 2579 } | |
|
11008
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patch 8.0.0393: order of duplicate tags is not preserved
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parents:
10666
diff
changeset
|
2580 |
|
0ecd07cd2e43
patch 8.0.0393: order of duplicate tags is not preserved
Christian Brabandt <cb@256bit.org>
parents:
10666
diff
changeset
|
2581 ga_clear(&ga_match[mtt]); |
|
10601
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patch 8.0.0190: finding duplicate tags uses a slow linear search
Christian Brabandt <cb@256bit.org>
parents:
10444
diff
changeset
|
2582 hash_clear(&ht_match[mtt]); |
| 7 | 2583 } |
| 2584 | |
| 2585 *matchesp = matches; | |
| 2586 *num_matches = match_count; | |
| 2587 | |
| 2588 curbuf->b_help = help_save; | |
| 2589 #ifdef FEAT_MULTI_LANG | |
| 2590 vim_free(saved_pat); | |
| 2591 #endif | |
| 2592 | |
|
7266
6ba7182fb7bd
commit https://github.com/vim/vim/commit/0f6562e9036f889185dff49a75c7fc5ffb28b307
Christian Brabandt <cb@256bit.org>
parents:
6851
diff
changeset
|
2593 p_ic = save_p_ic; |
|
6ba7182fb7bd
commit https://github.com/vim/vim/commit/0f6562e9036f889185dff49a75c7fc5ffb28b307
Christian Brabandt <cb@256bit.org>
parents:
6851
diff
changeset
|
2594 |
| 7 | 2595 return retval; |
| 2596 } | |
| 2597 | |
| 2598 static garray_T tag_fnames = GA_EMPTY; | |
|
7805
0b6c37dd858d
commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077
Christian Brabandt <cb@256bit.org>
parents:
7266
diff
changeset
|
2599 static void found_tagfile_cb(char_u *fname, void *cookie); |
| 7 | 2600 |
| 2601 /* | |
| 2602 * Callback function for finding all "tags" and "tags-??" files in | |
| 2603 * 'runtimepath' doc directories. | |
| 2604 */ | |
| 2605 static void | |
|
7835
4d7ce6c03fda
commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
2606 found_tagfile_cb(char_u *fname, void *cookie UNUSED) |
| 7 | 2607 { |
| 2608 if (ga_grow(&tag_fnames, 1) == OK) | |
| 2609 ((char_u **)(tag_fnames.ga_data))[tag_fnames.ga_len++] = | |
| 2610 vim_strsave(fname); | |
| 2611 } | |
| 2612 | |
| 359 | 2613 #if defined(EXITFREE) || defined(PROTO) |
| 2614 void | |
|
7835
4d7ce6c03fda
commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
2615 free_tag_stuff(void) |
| 359 | 2616 { |
| 692 | 2617 ga_clear_strings(&tag_fnames); |
| 359 | 2618 do_tag(NULL, DT_FREE, 0, 0, 0); |
| 1818 | 2619 tag_freematch(); |
| 2620 | |
|
12477
68d7bc045dbe
patch 8.0.1118: FEAT_WINDOWS adds a lot of #ifdefs
Christian Brabandt <cb@256bit.org>
parents:
11521
diff
changeset
|
2621 # if defined(FEAT_QUICKFIX) |
| 1818 | 2622 if (ptag_entry.tagname) |
| 2623 { | |
|
2311
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Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents:
2185
diff
changeset
|
2624 vim_free(ptag_entry.tagname); |
|
ccda151dde4e
Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents:
2185
diff
changeset
|
2625 ptag_entry.tagname = NULL; |
| 1818 | 2626 } |
| 2627 # endif | |
| 359 | 2628 } |
| 2629 #endif | |
| 2630 | |
| 7 | 2631 /* |
| 2632 * Get the next name of a tag file from the tag file list. | |
| 2633 * For help files, use "tags" file only. | |
| 2634 * | |
| 2635 * Return FAIL if no more tag file names, OK otherwise. | |
| 2636 */ | |
| 514 | 2637 int |
|
7835
4d7ce6c03fda
commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
2638 get_tagfname( |
|
4d7ce6c03fda
commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
2639 tagname_T *tnp, /* holds status info */ |
|
4d7ce6c03fda
commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
2640 int first, /* TRUE when first file name is wanted */ |
|
4d7ce6c03fda
commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
2641 char_u *buf) /* pointer to buffer of MAXPATHL chars */ |
| 7 | 2642 { |
| 2643 char_u *fname = NULL; | |
| 2644 char_u *r_ptr; | |
| 2645 | |
| 692 | 2646 if (first) |
| 2647 vim_memset(tnp, 0, sizeof(tagname_T)); | |
| 2648 | |
| 514 | 2649 if (curbuf->b_help) |
| 7 | 2650 { |
| 514 | 2651 /* |
| 2652 * For help files it's done in a completely different way: | |
| 2653 * Find "doc/tags" and "doc/tags-??" in all directories in | |
| 2654 * 'runtimepath'. | |
| 2655 */ | |
| 2656 if (first) | |
| 7 | 2657 { |
| 2658 ga_clear_strings(&tag_fnames); | |
| 2659 ga_init2(&tag_fnames, (int)sizeof(char_u *), 10); | |
| 2660 do_in_runtimepath((char_u *) | |
| 2661 #ifdef FEAT_MULTI_LANG | |
| 36 | 2662 # ifdef VMS |
| 2663 /* Functions decc$to_vms() and decc$translate_vms() crash | |
| 2664 * on some VMS systems with wildcards "??". Seems ECO | |
| 2665 * patches do fix the problem in C RTL, but we can't use | |
| 2666 * an #ifdef for that. */ | |
| 2667 "doc/tags doc/tags-*" | |
| 2668 # else | |
| 7 | 2669 "doc/tags doc/tags-??" |
| 36 | 2670 # endif |
| 7 | 2671 #else |
| 2672 "doc/tags" | |
| 2673 #endif | |
|
8524
2f57bbe870ea
commit https://github.com/vim/vim/commit/7f8989dd8a627af2185df381195351a913f3777f
Christian Brabandt <cb@256bit.org>
parents:
7835
diff
changeset
|
2674 , DIP_ALL, found_tagfile_cb, NULL); |
| 7 | 2675 } |
| 602 | 2676 |
| 692 | 2677 if (tnp->tn_hf_idx >= tag_fnames.ga_len) |
| 7 | 2678 { |
| 2679 /* Not found in 'runtimepath', use 'helpfile', if it exists and | |
| 2680 * wasn't used yet, replacing "help.txt" with "tags". */ | |
| 692 | 2681 if (tnp->tn_hf_idx > tag_fnames.ga_len || *p_hf == NUL) |
| 7 | 2682 return FAIL; |
| 692 | 2683 ++tnp->tn_hf_idx; |
| 7 | 2684 STRCPY(buf, p_hf); |
| 2685 STRCPY(gettail(buf), "tags"); | |
| 2686 } | |
| 2687 else | |
| 692 | 2688 vim_strncpy(buf, ((char_u **)(tag_fnames.ga_data))[ |
| 2689 tnp->tn_hf_idx++], MAXPATHL - 1); | |
| 514 | 2690 return OK; |
| 2691 } | |
| 2692 | |
| 2693 if (first) | |
| 2694 { | |
| 692 | 2695 /* Init. We make a copy of 'tags', because autocommands may change |
| 2696 * the value without notifying us. */ | |
| 2697 tnp->tn_tags = vim_strsave((*curbuf->b_p_tags != NUL) | |
| 2698 ? curbuf->b_p_tags : p_tags); | |
| 2699 if (tnp->tn_tags == NULL) | |
| 2700 return FAIL; | |
| 2701 tnp->tn_np = tnp->tn_tags; | |
| 7 | 2702 } |
| 692 | 2703 |
| 2704 /* | |
| 2705 * Loop until we have found a file name that can be used. | |
| 2706 * There are two states: | |
| 2707 * tnp->tn_did_filefind_init == FALSE: setup for next part in 'tags'. | |
| 2708 * tnp->tn_did_filefind_init == TRUE: find next file in this part. | |
| 2709 */ | |
| 2710 for (;;) | |
| 7 | 2711 { |
| 692 | 2712 if (tnp->tn_did_filefind_init) |
| 7 | 2713 { |
| 692 | 2714 fname = vim_findfile(tnp->tn_search_ctx); |
| 2715 if (fname != NULL) | |
| 2716 break; | |
| 2717 | |
| 2718 tnp->tn_did_filefind_init = FALSE; | |
| 2719 } | |
| 2720 else | |
| 2721 { | |
| 2722 char_u *filename = NULL; | |
| 2723 | |
| 2724 /* Stop when used all parts of 'tags'. */ | |
| 2725 if (*tnp->tn_np == NUL) | |
| 7 | 2726 { |
| 692 | 2727 vim_findfile_cleanup(tnp->tn_search_ctx); |
| 2728 tnp->tn_search_ctx = NULL; | |
| 2729 return FAIL; | |
| 7 | 2730 } |
| 692 | 2731 |
| 2732 /* | |
| 2733 * Copy next file name into buf. | |
| 2734 */ | |
| 2735 buf[0] = NUL; | |
| 2736 (void)copy_option_part(&tnp->tn_np, buf, MAXPATHL - 1, " ,"); | |
| 7 | 2737 |
| 2738 #ifdef FEAT_PATH_EXTRA | |
| 692 | 2739 r_ptr = vim_findfile_stopdir(buf); |
| 7 | 2740 #else |
| 692 | 2741 r_ptr = NULL; |
| 7 | 2742 #endif |
| 692 | 2743 /* move the filename one char forward and truncate the |
| 2744 * filepath with a NUL */ | |
| 2745 filename = gettail(buf); | |
| 1620 | 2746 STRMOVE(filename + 1, filename); |
| 692 | 2747 *filename++ = NUL; |
| 2748 | |
| 2749 tnp->tn_search_ctx = vim_findfile_init(buf, filename, | |
| 2750 r_ptr, 100, | |
|
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parents:
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diff
changeset
|
2751 FALSE, /* don't free visited list */ |
| 1541 | 2752 FINDFILE_FILE, /* we search for a file */ |
| 692 | 2753 tnp->tn_search_ctx, TRUE, curbuf->b_ffname); |
| 2754 if (tnp->tn_search_ctx != NULL) | |
| 2755 tnp->tn_did_filefind_init = TRUE; | |
| 7 | 2756 } |
| 2757 } | |
| 2758 | |
| 692 | 2759 STRCPY(buf, fname); |
| 2760 vim_free(fname); | |
| 7 | 2761 return OK; |
| 2762 } | |
| 2763 | |
| 2764 /* | |
| 692 | 2765 * Free the contents of a tagname_T that was filled by get_tagfname(). |
| 2766 */ | |
| 2767 void | |
|
7835
4d7ce6c03fda
commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
2768 tagname_free(tagname_T *tnp) |
| 692 | 2769 { |
| 2770 vim_free(tnp->tn_tags); | |
| 2771 vim_findfile_cleanup(tnp->tn_search_ctx); | |
| 1541 | 2772 tnp->tn_search_ctx = NULL; |
| 692 | 2773 ga_clear_strings(&tag_fnames); |
| 2774 } | |
| 2775 | |
| 2776 /* | |
| 7 | 2777 * Parse one line from the tags file. Find start/end of tag name, start/end of |
| 2778 * file name and start of search pattern. | |
| 2779 * | |
| 2780 * If is_etag is TRUE, tagp->fname and tagp->fname_end are not set. | |
| 2781 * | |
| 2782 * Return FAIL if there is a format error in this line, OK otherwise. | |
| 2783 */ | |
| 2784 static int | |
|
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2785 parse_tag_line( |
|
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2786 char_u *lbuf, /* line to be parsed */ |
| 7 | 2787 #ifdef FEAT_EMACS_TAGS |
|
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2788 int is_etag, |
| 7 | 2789 #endif |
|
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|
2790 tagptrs_T *tagp) |
| 7 | 2791 { |
| 2792 char_u *p; | |
| 2793 | |
| 2794 #ifdef FEAT_EMACS_TAGS | |
| 2795 char_u *p_7f; | |
| 2796 | |
| 2797 if (is_etag) | |
| 2798 { | |
| 2799 /* | |
| 2800 * There are two formats for an emacs tag line: | |
| 2801 * 1: struct EnvBase ^?EnvBase^A139,4627 | |
| 2802 * 2: #define ARPB_WILD_WORLD ^?153,5194 | |
| 2803 */ | |
| 2804 p_7f = vim_strchr(lbuf, 0x7f); | |
| 2805 if (p_7f == NULL) | |
| 1770 | 2806 { |
| 2807 etag_fail: | |
| 2808 if (vim_strchr(lbuf, '\n') == NULL) | |
| 2809 { | |
| 2810 /* Truncated line. Ignore it. */ | |
| 2811 if (p_verbose >= 5) | |
| 2812 { | |
| 2813 verbose_enter(); | |
| 2814 MSG(_("Ignoring long line in tags file")); | |
| 2815 verbose_leave(); | |
| 2816 } | |
| 2817 tagp->command = lbuf; | |
| 2818 tagp->tagname = lbuf; | |
| 2819 tagp->tagname_end = lbuf; | |
| 2820 return OK; | |
| 2821 } | |
| 7 | 2822 return FAIL; |
| 1770 | 2823 } |
| 7 | 2824 |
| 2825 /* Find ^A. If not found the line number is after the 0x7f */ | |
| 2826 p = vim_strchr(p_7f, Ctrl_A); | |
| 2827 if (p == NULL) | |
| 2828 p = p_7f + 1; | |
| 2829 else | |
| 2830 ++p; | |
| 2831 | |
| 2832 if (!VIM_ISDIGIT(*p)) /* check for start of line number */ | |
| 1770 | 2833 goto etag_fail; |
| 7 | 2834 tagp->command = p; |
| 2835 | |
| 2836 | |
| 2837 if (p[-1] == Ctrl_A) /* first format: explicit tagname given */ | |
| 2838 { | |
| 2839 tagp->tagname = p_7f + 1; | |
| 2840 tagp->tagname_end = p - 1; | |
| 2841 } | |
| 2842 else /* second format: isolate tagname */ | |
| 2843 { | |
| 2844 /* find end of tagname */ | |
| 2845 for (p = p_7f - 1; !vim_iswordc(*p); --p) | |
| 2846 if (p == lbuf) | |
| 1770 | 2847 goto etag_fail; |
| 7 | 2848 tagp->tagname_end = p + 1; |
| 2849 while (p >= lbuf && vim_iswordc(*p)) | |
| 2850 --p; | |
| 2851 tagp->tagname = p + 1; | |
| 2852 } | |
| 2853 } | |
| 2854 else /* not an Emacs tag */ | |
| 2855 { | |
| 2856 #endif | |
| 2857 /* Isolate the tagname, from lbuf up to the first white */ | |
| 2858 tagp->tagname = lbuf; | |
| 2859 #ifdef FEAT_TAG_ANYWHITE | |
| 2860 p = skiptowhite(lbuf); | |
| 2861 #else | |
| 2862 p = vim_strchr(lbuf, TAB); | |
| 2863 if (p == NULL) | |
| 2864 return FAIL; | |
| 2865 #endif | |
| 2866 tagp->tagname_end = p; | |
| 2867 | |
| 2868 /* Isolate file name, from first to second white space */ | |
| 2869 #ifdef FEAT_TAG_ANYWHITE | |
| 2870 p = skipwhite(p); | |
| 2871 #else | |
| 2872 if (*p != NUL) | |
| 2873 ++p; | |
| 2874 #endif | |
| 2875 tagp->fname = p; | |
| 2876 #ifdef FEAT_TAG_ANYWHITE | |
| 2877 p = skiptowhite(p); | |
| 2878 #else | |
| 2879 p = vim_strchr(p, TAB); | |
| 2880 if (p == NULL) | |
| 2881 return FAIL; | |
| 2882 #endif | |
| 2883 tagp->fname_end = p; | |
| 2884 | |
| 2885 /* find start of search command, after second white space */ | |
| 2886 #ifdef FEAT_TAG_ANYWHITE | |
| 2887 p = skipwhite(p); | |
| 2888 #else | |
| 2889 if (*p != NUL) | |
| 2890 ++p; | |
| 2891 #endif | |
| 2892 if (*p == NUL) | |
| 2893 return FAIL; | |
| 2894 tagp->command = p; | |
| 2895 #ifdef FEAT_EMACS_TAGS | |
| 2896 } | |
| 2897 #endif | |
| 2898 | |
| 2899 return OK; | |
| 2900 } | |
| 2901 | |
| 2902 /* | |
| 2903 * Check if tagname is a static tag | |
| 2904 * | |
| 2905 * Static tags produced by the older ctags program have the format: | |
| 2906 * 'file:tag file /pattern'. | |
| 1204 | 2907 * This is only recognized when both occurrence of 'file' are the same, to |
| 7 | 2908 * avoid recognizing "string::string" or ":exit". |
| 2909 * | |
| 2910 * Static tags produced by the new ctags program have the format: | |
| 2911 * 'tag file /pattern/;"<Tab>file:' " | |
| 2912 * | |
| 2913 * Return TRUE if it is a static tag and adjust *tagname to the real tag. | |
| 2914 * Return FALSE if it is not a static tag. | |
| 2915 */ | |
| 2916 static int | |
|
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2917 test_for_static(tagptrs_T *tagp) |
| 7 | 2918 { |
| 2919 char_u *p; | |
| 2920 | |
| 2921 #ifdef FEAT_TAG_OLDSTATIC | |
| 2922 int len; | |
| 2923 | |
| 2924 /* | |
| 2925 * Check for old style static tag: "file:tag file .." | |
| 2926 */ | |
| 2927 len = (int)(tagp->fname_end - tagp->fname); | |
| 2928 p = tagp->tagname + len; | |
| 2929 if ( p < tagp->tagname_end | |
| 2930 && *p == ':' | |
| 2931 && fnamencmp(tagp->tagname, tagp->fname, len) == 0) | |
| 2932 { | |
| 2933 tagp->tagname = p + 1; | |
| 2934 return TRUE; | |
| 2935 } | |
| 2936 #endif | |
| 2937 | |
| 2938 /* | |
| 2939 * Check for new style static tag ":...<Tab>file:[<Tab>...]" | |
| 2940 */ | |
| 2941 p = tagp->command; | |
| 2942 while ((p = vim_strchr(p, '\t')) != NULL) | |
| 2943 { | |
| 2944 ++p; | |
| 2945 if (STRNCMP(p, "file:", 5) == 0) | |
| 2946 return TRUE; | |
| 2947 } | |
| 2948 | |
| 2949 return FALSE; | |
| 2950 } | |
| 2951 | |
| 2952 /* | |
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2953 * Returns the length of a matching tag line. |
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2954 */ |
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2955 static size_t |
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2956 matching_line_len(char_u *lbuf) |
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2957 { |
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2958 char_u *p = lbuf + 1; |
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2959 |
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2960 /* does the same thing as parse_match() */ |
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2961 p += STRLEN(p) + 2; |
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2962 #ifdef FEAT_EMACS_TAGS |
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2963 if (*p) |
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2964 p += STRLEN(p); |
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2965 else |
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2966 ++p; |
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2967 #endif |
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2968 return (p - lbuf) + STRLEN(p); |
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2969 } |
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2970 |
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2971 /* |
| 7 | 2972 * Parse a line from a matching tag. Does not change the line itself. |
| 2973 * | |
| 2974 * The line that we get looks like this: | |
| 2975 * Emacs tag: <mtt><tag_fname><NUL><ebuf><NUL><lbuf> | |
| 2976 * other tag: <mtt><tag_fname><NUL><NUL><lbuf> | |
| 2977 * without Emacs tags: <mtt><tag_fname><NUL><lbuf> | |
| 2978 * | |
| 2979 * Return OK or FAIL. | |
| 2980 */ | |
| 2981 static int | |
|
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2982 parse_match( |
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2983 char_u *lbuf, /* input: matching line */ |
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2984 tagptrs_T *tagp) /* output: pointers into the line */ |
| 7 | 2985 { |
| 2986 int retval; | |
| 2987 char_u *p; | |
| 2988 char_u *pc, *pt; | |
| 2989 | |
| 2990 tagp->tag_fname = lbuf + 1; | |
| 2991 lbuf += STRLEN(tagp->tag_fname) + 2; | |
| 2992 #ifdef FEAT_EMACS_TAGS | |
| 2993 if (*lbuf) | |
| 2994 { | |
| 2995 tagp->is_etag = TRUE; | |
| 2996 tagp->fname = lbuf; | |
| 2997 lbuf += STRLEN(lbuf); | |
| 2998 tagp->fname_end = lbuf++; | |
| 2999 } | |
| 3000 else | |
| 3001 { | |
| 3002 tagp->is_etag = FALSE; | |
| 3003 ++lbuf; | |
| 3004 } | |
| 3005 #endif | |
| 3006 | |
| 3007 /* Find search pattern and the file name for non-etags. */ | |
| 3008 retval = parse_tag_line(lbuf, | |
| 3009 #ifdef FEAT_EMACS_TAGS | |
| 3010 tagp->is_etag, | |
| 3011 #endif | |
| 3012 tagp); | |
| 3013 | |
| 3014 tagp->tagkind = NULL; | |
| 3015 tagp->command_end = NULL; | |
| 3016 | |
| 3017 if (retval == OK) | |
| 3018 { | |
| 3019 /* Try to find a kind field: "kind:<kind>" or just "<kind>"*/ | |
| 3020 p = tagp->command; | |
| 3021 if (find_extra(&p) == OK) | |
| 3022 { | |
| 3023 tagp->command_end = p; | |
| 3024 p += 2; /* skip ";\"" */ | |
| 3025 if (*p++ == TAB) | |
| 3026 while (ASCII_ISALPHA(*p)) | |
| 3027 { | |
| 3028 if (STRNCMP(p, "kind:", 5) == 0) | |
| 3029 { | |
| 3030 tagp->tagkind = p + 5; | |
| 3031 break; | |
| 3032 } | |
| 3033 pc = vim_strchr(p, ':'); | |
| 3034 pt = vim_strchr(p, '\t'); | |
| 3035 if (pc == NULL || (pt != NULL && pc > pt)) | |
| 3036 { | |
| 3037 tagp->tagkind = p; | |
| 3038 break; | |
| 3039 } | |
| 3040 if (pt == NULL) | |
| 3041 break; | |
| 3042 p = pt + 1; | |
| 3043 } | |
| 3044 } | |
| 3045 if (tagp->tagkind != NULL) | |
| 3046 { | |
| 3047 for (p = tagp->tagkind; | |
| 3048 *p && *p != '\t' && *p != '\r' && *p != '\n'; ++p) | |
| 3049 ; | |
| 3050 tagp->tagkind_end = p; | |
| 3051 } | |
| 3052 } | |
| 3053 return retval; | |
| 3054 } | |
| 3055 | |
| 3056 /* | |
| 3057 * Find out the actual file name of a tag. Concatenate the tags file name | |
| 3058 * with the matching tag file name. | |
| 3059 * Returns an allocated string or NULL (out of memory). | |
| 3060 */ | |
| 3061 static char_u * | |
|
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3062 tag_full_fname(tagptrs_T *tagp) |
| 7 | 3063 { |
| 3064 char_u *fullname; | |
| 3065 int c; | |
| 3066 | |
| 3067 #ifdef FEAT_EMACS_TAGS | |
| 3068 if (tagp->is_etag) | |
| 3069 c = 0; /* to shut up GCC */ | |
| 3070 else | |
| 3071 #endif | |
| 3072 { | |
| 3073 c = *tagp->fname_end; | |
| 3074 *tagp->fname_end = NUL; | |
| 3075 } | |
| 3076 fullname = expand_tag_fname(tagp->fname, tagp->tag_fname, FALSE); | |
| 3077 | |
| 3078 #ifdef FEAT_EMACS_TAGS | |
| 3079 if (!tagp->is_etag) | |
| 3080 #endif | |
| 3081 *tagp->fname_end = c; | |
| 3082 | |
| 3083 return fullname; | |
| 3084 } | |
| 3085 | |
| 3086 /* | |
| 3087 * Jump to a tag that has been found in one of the tag files | |
| 3088 * | |
| 3089 * returns OK for success, NOTAGFILE when file not found, FAIL otherwise. | |
| 3090 */ | |
| 3091 static int | |
|
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3092 jumpto_tag( |
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3093 char_u *lbuf_arg, /* line from the tags file for this tag */ |
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3094 int forceit, /* :ta with ! */ |
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3095 int keep_help) /* keep help flag (FALSE for cscope) */ |
| 7 | 3096 { |
| 3097 int save_secure; | |
| 3098 int save_magic; | |
| 3099 int save_p_ws, save_p_scs, save_p_ic; | |
| 3100 linenr_T save_lnum; | |
| 3101 char_u *str; | |
| 3102 char_u *pbuf; /* search pattern buffer */ | |
| 3103 char_u *pbuf_end; | |
| 3104 char_u *tofree_fname = NULL; | |
| 3105 char_u *fname; | |
| 3106 tagptrs_T tagp; | |
| 3107 int retval = FAIL; | |
|
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3108 int getfile_result = GETFILE_UNUSED; |
| 7 | 3109 int search_options; |
| 3110 #ifdef FEAT_SEARCH_EXTRA | |
| 3111 int save_no_hlsearch; | |
| 3112 #endif | |
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3113 #if defined(FEAT_QUICKFIX) |
| 7 | 3114 win_T *curwin_save = NULL; |
| 3115 #endif | |
| 3116 char_u *full_fname = NULL; | |
| 3117 #ifdef FEAT_FOLDING | |
| 3118 int old_KeyTyped = KeyTyped; /* getting the file may reset it */ | |
| 3119 #endif | |
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3120 size_t len; |
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3121 char_u *lbuf; |
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3122 |
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3123 /* Make a copy of the line, it can become invalid when an autocommand calls |
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3124 * back here recursively. */ |
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3125 len = matching_line_len(lbuf_arg) + 1; |
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3126 lbuf = alloc((int)len); |
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3127 if (lbuf != NULL) |
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3128 mch_memmove(lbuf, lbuf_arg, len); |
| 7 | 3129 |
| 3130 pbuf = alloc(LSIZE); | |
| 3131 | |
| 3132 /* parse the match line into the tagp structure */ | |
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3133 if (pbuf == NULL || lbuf == NULL || parse_match(lbuf, &tagp) == FAIL) |
| 7 | 3134 { |
| 3135 tagp.fname_end = NULL; | |
| 3136 goto erret; | |
| 3137 } | |
| 3138 | |
| 3139 /* truncate the file name, so it can be used as a string */ | |
| 3140 *tagp.fname_end = NUL; | |
| 3141 fname = tagp.fname; | |
| 3142 | |
| 3143 /* copy the command to pbuf[], remove trailing CR/NL */ | |
| 3144 str = tagp.command; | |
| 3145 for (pbuf_end = pbuf; *str && *str != '\n' && *str != '\r'; ) | |
| 3146 { | |
| 3147 #ifdef FEAT_EMACS_TAGS | |
| 3148 if (tagp.is_etag && *str == ',')/* stop at ',' after line number */ | |
| 3149 break; | |
| 3150 #endif | |
| 3151 *pbuf_end++ = *str++; | |
| 3152 } | |
| 3153 *pbuf_end = NUL; | |
| 3154 | |
| 3155 #ifdef FEAT_EMACS_TAGS | |
| 3156 if (!tagp.is_etag) | |
| 3157 #endif | |
| 3158 { | |
| 3159 /* | |
| 3160 * Remove the "<Tab>fieldname:value" stuff; we don't need it here. | |
| 3161 */ | |
| 3162 str = pbuf; | |
| 3163 if (find_extra(&str) == OK) | |
| 3164 { | |
| 3165 pbuf_end = str; | |
| 3166 *pbuf_end = NUL; | |
| 3167 } | |
| 3168 } | |
| 3169 | |
| 3170 /* | |
| 3171 * Expand file name, when needed (for environment variables). | |
| 3172 * If 'tagrelative' option set, may change file name. | |
| 3173 */ | |
| 3174 fname = expand_tag_fname(fname, tagp.tag_fname, TRUE); | |
| 3175 if (fname == NULL) | |
| 3176 goto erret; | |
| 3177 tofree_fname = fname; /* free() it later */ | |
| 3178 | |
| 3179 /* | |
| 3180 * Check if the file with the tag exists before abandoning the current | |
| 3181 * file. Also accept a file name for which there is a matching BufReadCmd | |
| 3182 * autocommand event (e.g., http://sys/file). | |
| 3183 */ | |
| 3184 if (mch_getperm(fname) < 0 | |
| 3185 #ifdef FEAT_AUTOCMD | |
| 40 | 3186 && !has_autocmd(EVENT_BUFREADCMD, fname, NULL) |
| 7 | 3187 #endif |
| 3188 ) | |
| 3189 { | |
| 3190 retval = NOTAGFILE; | |
| 3191 vim_free(nofile_fname); | |
| 3192 nofile_fname = vim_strsave(fname); | |
| 3193 if (nofile_fname == NULL) | |
| 3194 nofile_fname = empty_option; | |
| 3195 goto erret; | |
| 3196 } | |
| 3197 | |
| 3198 ++RedrawingDisabled; | |
| 3199 | |
| 3200 #ifdef FEAT_GUI | |
| 3201 need_mouse_correct = TRUE; | |
| 3202 #endif | |
| 3203 | |
|
12477
68d7bc045dbe
patch 8.0.1118: FEAT_WINDOWS adds a lot of #ifdefs
Christian Brabandt <cb@256bit.org>
parents:
11521
diff
changeset
|
3204 #if defined(FEAT_QUICKFIX) |
| 2713 | 3205 if (g_do_tagpreview != 0) |
| 7 | 3206 { |
| 728 | 3207 postponed_split = 0; /* don't split again below */ |
| 3208 curwin_save = curwin; /* Save current window */ | |
| 3209 | |
| 7 | 3210 /* |
| 3211 * If we are reusing a window, we may change dir when | |
| 3212 * entering it (autocommands) so turn the tag filename | |
| 3213 * into a fullpath | |
| 3214 */ | |
| 3215 if (!curwin->w_p_pvw) | |
| 3216 { | |
| 3217 full_fname = FullName_save(fname, FALSE); | |
| 3218 fname = full_fname; | |
| 3219 | |
| 3220 /* | |
| 3221 * Make the preview window the current window. | |
| 3222 * Open a preview window when needed. | |
| 3223 */ | |
| 816 | 3224 prepare_tagpreview(TRUE); |
| 7 | 3225 } |
| 3226 } | |
| 3227 | |
| 682 | 3228 /* If it was a CTRL-W CTRL-] command split window now. For ":tab tag" |
| 3229 * open a new tab page. */ | |
|
11476
c45fb081391c
patch 8.0.0621: :stag does not respect 'switchbuf'
Christian Brabandt <cb@256bit.org>
parents:
11329
diff
changeset
|
3230 if (postponed_split && (swb_flags & (SWB_USEOPEN | SWB_USETAB))) |
|
c45fb081391c
patch 8.0.0621: :stag does not respect 'switchbuf'
Christian Brabandt <cb@256bit.org>
parents:
11329
diff
changeset
|
3231 { |
|
c45fb081391c
patch 8.0.0621: :stag does not respect 'switchbuf'
Christian Brabandt <cb@256bit.org>
parents:
11329
diff
changeset
|
3232 buf_T *existing_buf = buflist_findname_exp(fname); |
|
c45fb081391c
patch 8.0.0621: :stag does not respect 'switchbuf'
Christian Brabandt <cb@256bit.org>
parents:
11329
diff
changeset
|
3233 |
|
c45fb081391c
patch 8.0.0621: :stag does not respect 'switchbuf'
Christian Brabandt <cb@256bit.org>
parents:
11329
diff
changeset
|
3234 if (existing_buf != NULL) |
|
c45fb081391c
patch 8.0.0621: :stag does not respect 'switchbuf'
Christian Brabandt <cb@256bit.org>
parents:
11329
diff
changeset
|
3235 { |
|
c45fb081391c
patch 8.0.0621: :stag does not respect 'switchbuf'
Christian Brabandt <cb@256bit.org>
parents:
11329
diff
changeset
|
3236 win_T *wp = NULL; |
|
c45fb081391c
patch 8.0.0621: :stag does not respect 'switchbuf'
Christian Brabandt <cb@256bit.org>
parents:
11329
diff
changeset
|
3237 |
|
c45fb081391c
patch 8.0.0621: :stag does not respect 'switchbuf'
Christian Brabandt <cb@256bit.org>
parents:
11329
diff
changeset
|
3238 if (swb_flags & SWB_USEOPEN) |
|
c45fb081391c
patch 8.0.0621: :stag does not respect 'switchbuf'
Christian Brabandt <cb@256bit.org>
parents:
11329
diff
changeset
|
3239 wp = buf_jump_open_win(existing_buf); |
|
c45fb081391c
patch 8.0.0621: :stag does not respect 'switchbuf'
Christian Brabandt <cb@256bit.org>
parents:
11329
diff
changeset
|
3240 |
|
c45fb081391c
patch 8.0.0621: :stag does not respect 'switchbuf'
Christian Brabandt <cb@256bit.org>
parents:
11329
diff
changeset
|
3241 /* If 'switchbuf' contains "usetab": jump to first window in any tab |
|
c45fb081391c
patch 8.0.0621: :stag does not respect 'switchbuf'
Christian Brabandt <cb@256bit.org>
parents:
11329
diff
changeset
|
3242 * page containing "existing_buf" if one exists */ |
|
c45fb081391c
patch 8.0.0621: :stag does not respect 'switchbuf'
Christian Brabandt <cb@256bit.org>
parents:
11329
diff
changeset
|
3243 if (wp == NULL && (swb_flags & SWB_USETAB)) |
|
c45fb081391c
patch 8.0.0621: :stag does not respect 'switchbuf'
Christian Brabandt <cb@256bit.org>
parents:
11329
diff
changeset
|
3244 wp = buf_jump_open_tab(existing_buf); |
|
c45fb081391c
patch 8.0.0621: :stag does not respect 'switchbuf'
Christian Brabandt <cb@256bit.org>
parents:
11329
diff
changeset
|
3245 /* We've switched to the buffer, the usual loading of the file must |
|
c45fb081391c
patch 8.0.0621: :stag does not respect 'switchbuf'
Christian Brabandt <cb@256bit.org>
parents:
11329
diff
changeset
|
3246 * be skipped. */ |
|
c45fb081391c
patch 8.0.0621: :stag does not respect 'switchbuf'
Christian Brabandt <cb@256bit.org>
parents:
11329
diff
changeset
|
3247 if (wp != NULL) |
|
c45fb081391c
patch 8.0.0621: :stag does not respect 'switchbuf'
Christian Brabandt <cb@256bit.org>
parents:
11329
diff
changeset
|
3248 getfile_result = GETFILE_SAME_FILE; |
|
c45fb081391c
patch 8.0.0621: :stag does not respect 'switchbuf'
Christian Brabandt <cb@256bit.org>
parents:
11329
diff
changeset
|
3249 } |
|
c45fb081391c
patch 8.0.0621: :stag does not respect 'switchbuf'
Christian Brabandt <cb@256bit.org>
parents:
11329
diff
changeset
|
3250 } |
|
c45fb081391c
patch 8.0.0621: :stag does not respect 'switchbuf'
Christian Brabandt <cb@256bit.org>
parents:
11329
diff
changeset
|
3251 if (getfile_result == GETFILE_UNUSED |
|
c45fb081391c
patch 8.0.0621: :stag does not respect 'switchbuf'
Christian Brabandt <cb@256bit.org>
parents:
11329
diff
changeset
|
3252 && (postponed_split || cmdmod.tab != 0)) |
| 7 | 3253 { |
|
11238
5b524c2286ce
patch 8.0.0505: failed window split for :stag not handled
Christian Brabandt <cb@256bit.org>
parents:
11225
diff
changeset
|
3254 if (win_split(postponed_split > 0 ? postponed_split : 0, |
|
5b524c2286ce
patch 8.0.0505: failed window split for :stag not handled
Christian Brabandt <cb@256bit.org>
parents:
11225
diff
changeset
|
3255 postponed_split_flags) == FAIL) |
|
5b524c2286ce
patch 8.0.0505: failed window split for :stag not handled
Christian Brabandt <cb@256bit.org>
parents:
11225
diff
changeset
|
3256 { |
|
5b524c2286ce
patch 8.0.0505: failed window split for :stag not handled
Christian Brabandt <cb@256bit.org>
parents:
11225
diff
changeset
|
3257 --RedrawingDisabled; |
|
5b524c2286ce
patch 8.0.0505: failed window split for :stag not handled
Christian Brabandt <cb@256bit.org>
parents:
11225
diff
changeset
|
3258 goto erret; |
|
5b524c2286ce
patch 8.0.0505: failed window split for :stag not handled
Christian Brabandt <cb@256bit.org>
parents:
11225
diff
changeset
|
3259 } |
| 2583 | 3260 RESET_BINDING(curwin); |
| 7 | 3261 } |
| 3262 #endif | |
| 3263 | |
| 3264 if (keep_help) | |
| 3265 { | |
| 3266 /* A :ta from a help file will keep the b_help flag set. For ":ptag" | |
| 3267 * we need to use the flag from the window where we came from. */ | |
|
12477
68d7bc045dbe
patch 8.0.1118: FEAT_WINDOWS adds a lot of #ifdefs
Christian Brabandt <cb@256bit.org>
parents:
11521
diff
changeset
|
3268 #if defined(FEAT_QUICKFIX) |
| 2713 | 3269 if (g_do_tagpreview != 0) |
|
12477
68d7bc045dbe
patch 8.0.1118: FEAT_WINDOWS adds a lot of #ifdefs
Christian Brabandt <cb@256bit.org>
parents:
11521
diff
changeset
|
3270 keep_help_flag = bt_help(curwin_save->w_buffer); |
| 7 | 3271 else |
| 3272 #endif | |
| 3273 keep_help_flag = curbuf->b_help; | |
| 3274 } | |
|
12680
429bf1b9292f
patch 8.0.1218: writing to freed memory in autocmd
Christian Brabandt <cb@256bit.org>
parents:
12477
diff
changeset
|
3275 |
|
11476
c45fb081391c
patch 8.0.0621: :stag does not respect 'switchbuf'
Christian Brabandt <cb@256bit.org>
parents:
11329
diff
changeset
|
3276 if (getfile_result == GETFILE_UNUSED) |
|
12680
429bf1b9292f
patch 8.0.1218: writing to freed memory in autocmd
Christian Brabandt <cb@256bit.org>
parents:
12477
diff
changeset
|
3277 /* Careful: getfile() may trigger autocommands and call jumpto_tag() |
|
429bf1b9292f
patch 8.0.1218: writing to freed memory in autocmd
Christian Brabandt <cb@256bit.org>
parents:
12477
diff
changeset
|
3278 * recursively. */ |
|
11476
c45fb081391c
patch 8.0.0621: :stag does not respect 'switchbuf'
Christian Brabandt <cb@256bit.org>
parents:
11329
diff
changeset
|
3279 getfile_result = getfile(0, fname, NULL, TRUE, (linenr_T)0, forceit); |
| 7 | 3280 keep_help_flag = FALSE; |
| 3281 | |
|
11476
c45fb081391c
patch 8.0.0621: :stag does not respect 'switchbuf'
Christian Brabandt <cb@256bit.org>
parents:
11329
diff
changeset
|
3282 if (GETFILE_SUCCESS(getfile_result)) /* got to the right file */ |
| 7 | 3283 { |
| 3284 curwin->w_set_curswant = TRUE; | |
| 3285 postponed_split = 0; | |
| 3286 | |
| 3287 save_secure = secure; | |
| 3288 secure = 1; | |
| 3289 #ifdef HAVE_SANDBOX | |
| 3290 ++sandbox; | |
| 3291 #endif | |
| 3292 save_magic = p_magic; | |
| 3293 p_magic = FALSE; /* always execute with 'nomagic' */ | |
| 3294 #ifdef FEAT_SEARCH_EXTRA | |
| 3295 /* Save value of no_hlsearch, jumping to a tag is not a real search */ | |
| 3296 save_no_hlsearch = no_hlsearch; | |
| 3297 #endif | |
| 3298 | |
| 3299 /* | |
| 3300 * If 'cpoptions' contains 't', store the search pattern for the "n" | |
| 3301 * command. If 'cpoptions' does not contain 't', the search pattern | |
| 3302 * is not stored. | |
| 3303 */ | |
| 3304 if (vim_strchr(p_cpo, CPO_TAGPAT) != NULL) | |
| 3305 search_options = 0; | |
| 3306 else | |
| 3307 search_options = SEARCH_KEEP; | |
| 3308 | |
| 3309 /* | |
| 3310 * If the command is a search, try here. | |
| 3311 * | |
| 3312 * Reset 'smartcase' for the search, since the search pattern was not | |
| 3313 * typed by the user. | |
| 3314 * Only use do_search() when there is a full search command, without | |
| 3315 * anything following. | |
| 3316 */ | |
| 3317 str = pbuf; | |
| 3318 if (pbuf[0] == '/' || pbuf[0] == '?') | |
| 3319 str = skip_regexp(pbuf + 1, pbuf[0], FALSE, NULL) + 1; | |
| 3320 if (str > pbuf_end - 1) /* search command with nothing following */ | |
| 3321 { | |
| 3322 save_p_ws = p_ws; | |
| 3323 save_p_ic = p_ic; | |
| 3324 save_p_scs = p_scs; | |
| 3325 p_ws = TRUE; /* need 'wrapscan' for backward searches */ | |
| 3326 p_ic = FALSE; /* don't ignore case now */ | |
| 3327 p_scs = FALSE; | |
| 3328 #if 0 /* disabled for now */ | |
| 3329 #ifdef FEAT_CMDHIST | |
| 3330 /* put pattern in search history */ | |
| 3331 add_to_history(HIST_SEARCH, pbuf + 1, TRUE, pbuf[0]); | |
| 3332 #endif | |
| 3333 #endif | |
| 3334 save_lnum = curwin->w_cursor.lnum; | |
| 3335 curwin->w_cursor.lnum = 0; /* start search before first line */ | |
| 1521 | 3336 if (do_search(NULL, pbuf[0], pbuf + 1, (long)1, |
|
11521
578df034735d
patch 8.0.0643: when a pattern search is slow Vim becomes unusable
Christian Brabandt <cb@256bit.org>
parents:
11476
diff
changeset
|
3337 search_options, NULL, NULL)) |
| 7 | 3338 retval = OK; |
| 3339 else | |
| 3340 { | |
| 3341 int found = 1; | |
| 3342 int cc; | |
| 3343 | |
| 3344 /* | |
| 3345 * try again, ignore case now | |
| 3346 */ | |
| 3347 p_ic = TRUE; | |
| 3348 if (!do_search(NULL, pbuf[0], pbuf + 1, (long)1, | |
|
11521
578df034735d
patch 8.0.0643: when a pattern search is slow Vim becomes unusable
Christian Brabandt <cb@256bit.org>
parents:
11476
diff
changeset
|
3349 search_options, NULL, NULL)) |
| 7 | 3350 { |
| 3351 /* | |
| 3352 * Failed to find pattern, take a guess: "^func (" | |
| 3353 */ | |
| 3354 found = 2; | |
| 3355 (void)test_for_static(&tagp); | |
| 3356 cc = *tagp.tagname_end; | |
| 3357 *tagp.tagname_end = NUL; | |
| 3358 sprintf((char *)pbuf, "^%s\\s\\*(", tagp.tagname); | |
| 1521 | 3359 if (!do_search(NULL, '/', pbuf, (long)1, |
|
11521
578df034735d
patch 8.0.0643: when a pattern search is slow Vim becomes unusable
Christian Brabandt <cb@256bit.org>
parents:
11476
diff
changeset
|
3360 search_options, NULL, NULL)) |
| 7 | 3361 { |
| 3362 /* Guess again: "^char * \<func (" */ | |
| 3363 sprintf((char *)pbuf, "^\\[#a-zA-Z_]\\.\\*\\<%s\\s\\*(", | |
| 3364 tagp.tagname); | |
| 3365 if (!do_search(NULL, '/', pbuf, (long)1, | |
|
11521
578df034735d
patch 8.0.0643: when a pattern search is slow Vim becomes unusable
Christian Brabandt <cb@256bit.org>
parents:
11476
diff
changeset
|
3366 search_options, NULL, NULL)) |
| 7 | 3367 found = 0; |
| 3368 } | |
| 3369 *tagp.tagname_end = cc; | |
| 3370 } | |
| 3371 if (found == 0) | |
| 3372 { | |
| 3373 EMSG(_("E434: Can't find tag pattern")); | |
| 3374 curwin->w_cursor.lnum = save_lnum; | |
| 3375 } | |
| 3376 else | |
| 3377 { | |
| 3378 /* | |
| 3379 * Only give a message when really guessed, not when 'ic' | |
| 3380 * is set and match found while ignoring case. | |
| 3381 */ | |
| 3382 if (found == 2 || !save_p_ic) | |
| 3383 { | |
| 3384 MSG(_("E435: Couldn't find tag, just guessing!")); | |
| 3385 if (!msg_scrolled && msg_silent == 0) | |
| 3386 { | |
| 3387 out_flush(); | |
| 3388 ui_delay(1000L, TRUE); | |
| 3389 } | |
| 3390 } | |
| 3391 retval = OK; | |
| 3392 } | |
| 3393 } | |
| 3394 p_ws = save_p_ws; | |
| 3395 p_ic = save_p_ic; | |
| 3396 p_scs = save_p_scs; | |
| 3397 | |
| 3398 /* A search command may have positioned the cursor beyond the end | |
| 3399 * of the line. May need to correct that here. */ | |
| 3400 check_cursor(); | |
| 3401 } | |
| 3402 else | |
| 3403 { | |
| 3404 curwin->w_cursor.lnum = 1; /* start command in line 1 */ | |
| 3405 do_cmdline_cmd(pbuf); | |
| 3406 retval = OK; | |
| 3407 } | |
| 3408 | |
| 3409 /* | |
| 3410 * When the command has done something that is not allowed make sure | |
| 3411 * the error message can be seen. | |
| 3412 */ | |
| 3413 if (secure == 2) | |
| 3414 wait_return(TRUE); | |
| 3415 secure = save_secure; | |
| 3416 p_magic = save_magic; | |
| 3417 #ifdef HAVE_SANDBOX | |
| 3418 --sandbox; | |
| 3419 #endif | |
| 3420 #ifdef FEAT_SEARCH_EXTRA | |
| 3421 /* restore no_hlsearch when keeping the old search pattern */ | |
| 3422 if (search_options) | |
| 5458 | 3423 { |
| 3424 SET_NO_HLSEARCH(save_no_hlsearch); | |
| 3425 } | |
| 7 | 3426 #endif |
| 3427 | |
| 3428 /* Return OK if jumped to another file (at least we found the file!). */ | |
|
11476
c45fb081391c
patch 8.0.0621: :stag does not respect 'switchbuf'
Christian Brabandt <cb@256bit.org>
parents:
11329
diff
changeset
|
3429 if (getfile_result == GETFILE_OPEN_OTHER) |
| 7 | 3430 retval = OK; |
| 3431 | |
| 3432 if (retval == OK) | |
| 3433 { | |
| 3434 /* | |
| 3435 * For a help buffer: Put the cursor line at the top of the window, | |
| 3436 * the help subject will be below it. | |
| 3437 */ | |
| 3438 if (curbuf->b_help) | |
| 3439 set_topline(curwin, curwin->w_cursor.lnum); | |
| 3440 #ifdef FEAT_FOLDING | |
| 3441 if ((fdo_flags & FDO_TAG) && old_KeyTyped) | |
| 3442 foldOpenCursor(); | |
| 3443 #endif | |
| 3444 } | |
| 3445 | |
|
12477
68d7bc045dbe
patch 8.0.1118: FEAT_WINDOWS adds a lot of #ifdefs
Christian Brabandt <cb@256bit.org>
parents:
11521
diff
changeset
|
3446 #if defined(FEAT_QUICKFIX) |
| 2713 | 3447 if (g_do_tagpreview != 0 |
| 3448 && curwin != curwin_save && win_valid(curwin_save)) | |
| 7 | 3449 { |
| 3450 /* Return cursor to where we were */ | |
| 3451 validate_cursor(); | |
| 3452 redraw_later(VALID); | |
| 3453 win_enter(curwin_save, TRUE); | |
| 3454 } | |
| 3455 #endif | |
| 3456 | |
| 3457 --RedrawingDisabled; | |
| 3458 } | |
| 3459 else | |
| 3460 { | |
| 3461 --RedrawingDisabled; | |
| 3462 if (postponed_split) /* close the window */ | |
| 3463 { | |
| 3464 win_close(curwin, FALSE); | |
| 3465 postponed_split = 0; | |
| 3466 } | |
| 3467 } | |
| 3468 | |
| 3469 erret: | |
|
12477
68d7bc045dbe
patch 8.0.1118: FEAT_WINDOWS adds a lot of #ifdefs
Christian Brabandt <cb@256bit.org>
parents:
11521
diff
changeset
|
3470 #if defined(FEAT_QUICKFIX) |
| 7 | 3471 g_do_tagpreview = 0; /* For next time */ |
| 3472 #endif | |
|
12680
429bf1b9292f
patch 8.0.1218: writing to freed memory in autocmd
Christian Brabandt <cb@256bit.org>
parents:
12477
diff
changeset
|
3473 vim_free(lbuf); |
| 7 | 3474 vim_free(pbuf); |
| 3475 vim_free(tofree_fname); | |
| 3476 vim_free(full_fname); | |
| 3477 | |
| 3478 return retval; | |
| 3479 } | |
| 3480 | |
| 3481 /* | |
| 3482 * If "expand" is TRUE, expand wildcards in fname. | |
| 3483 * If 'tagrelative' option set, change fname (name of file containing tag) | |
| 3484 * according to tag_fname (name of tag file containing fname). | |
| 3485 * Returns a pointer to allocated memory (or NULL when out of memory). | |
| 3486 */ | |
| 3487 static char_u * | |
|
7835
4d7ce6c03fda
commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
3488 expand_tag_fname(char_u *fname, char_u *tag_fname, int expand) |
| 7 | 3489 { |
| 3490 char_u *p; | |
| 3491 char_u *retval; | |
| 3492 char_u *expanded_fname = NULL; | |
| 3493 expand_T xpc; | |
| 3494 | |
| 3495 /* | |
| 3496 * Expand file name (for environment variables) when needed. | |
| 3497 */ | |
| 3498 if (expand && mch_has_wildcard(fname)) | |
| 3499 { | |
| 3500 ExpandInit(&xpc); | |
| 3501 xpc.xp_context = EXPAND_FILES; | |
| 3502 expanded_fname = ExpandOne(&xpc, (char_u *)fname, NULL, | |
| 3503 WILD_LIST_NOTFOUND|WILD_SILENT, WILD_EXPAND_FREE); | |
| 3504 if (expanded_fname != NULL) | |
| 3505 fname = expanded_fname; | |
| 3506 } | |
| 3507 | |
| 3508 if ((p_tr || curbuf->b_help) | |
| 3509 && !vim_isAbsName(fname) | |
| 3510 && (p = gettail(tag_fname)) != tag_fname) | |
| 3511 { | |
| 3512 retval = alloc(MAXPATHL); | |
| 3513 if (retval != NULL) | |
| 3514 { | |
| 3515 STRCPY(retval, tag_fname); | |
| 418 | 3516 vim_strncpy(retval + (p - tag_fname), fname, |
| 3517 MAXPATHL - (p - tag_fname) - 1); | |
| 7 | 3518 /* |
| 3519 * Translate names like "src/a/../b/file.c" into "src/b/file.c". | |
| 3520 */ | |
| 3521 simplify_filename(retval); | |
| 3522 } | |
| 3523 } | |
| 3524 else | |
| 3525 retval = vim_strsave(fname); | |
| 3526 | |
| 3527 vim_free(expanded_fname); | |
| 3528 | |
| 3529 return retval; | |
| 3530 } | |
| 3531 | |
| 3532 /* | |
| 3533 * Converts a file name into a canonical form. It simplifies a file name into | |
| 3534 * its simplest form by stripping out unneeded components, if any. The | |
| 3535 * resulting file name is simplified in place and will either be the same | |
| 3536 * length as that supplied, or shorter. | |
| 3537 */ | |
| 3538 void | |
|
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Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
3539 simplify_filename(char_u *filename) |
| 7 | 3540 { |
| 3541 #ifndef AMIGA /* Amiga doesn't have "..", it uses "/" */ | |
| 3542 int components = 0; | |
| 3543 char_u *p, *tail, *start; | |
| 3544 int stripping_disabled = FALSE; | |
| 3545 int relative = TRUE; | |
| 3546 | |
| 3547 p = filename; | |
| 3548 #ifdef BACKSLASH_IN_FILENAME | |
| 3549 if (p[1] == ':') /* skip "x:" */ | |
| 3550 p += 2; | |
| 3551 #endif | |
| 3552 | |
| 3553 if (vim_ispathsep(*p)) | |
| 3554 { | |
| 3555 relative = FALSE; | |
| 3556 do | |
| 3557 ++p; | |
| 3558 while (vim_ispathsep(*p)); | |
| 3559 } | |
| 3560 start = p; /* remember start after "c:/" or "/" or "///" */ | |
| 3561 | |
| 3562 do | |
| 3563 { | |
| 3564 /* At this point "p" is pointing to the char following a single "/" | |
| 3565 * or "p" is at the "start" of the (absolute or relative) path name. */ | |
| 3566 #ifdef VMS | |
| 3567 /* VMS allows device:[path] - don't strip the [ in directory */ | |
| 3568 if ((*p == '[' || *p == '<') && p > filename && p[-1] == ':') | |
| 3569 { | |
| 3570 /* :[ or :< composition: vms directory component */ | |
| 3571 ++components; | |
| 3572 p = getnextcomp(p + 1); | |
| 3573 } | |
| 3574 /* allow remote calls as host"user passwd"::device:[path] */ | |
| 3575 else if (p[0] == ':' && p[1] == ':' && p > filename && p[-1] == '"' ) | |
| 3576 { | |
| 3577 /* ":: composition: vms host/passwd component */ | |
| 3578 ++components; | |
| 3579 p = getnextcomp(p + 2); | |
| 3580 } | |
| 3581 else | |
| 3582 #endif | |
| 3583 if (vim_ispathsep(*p)) | |
| 1620 | 3584 STRMOVE(p, p + 1); /* remove duplicate "/" */ |
| 7 | 3585 else if (p[0] == '.' && (vim_ispathsep(p[1]) || p[1] == NUL)) |
| 3586 { | |
| 3587 if (p == start && relative) | |
| 3588 p += 1 + (p[1] != NUL); /* keep single "." or leading "./" */ | |
| 3589 else | |
| 3590 { | |
| 3591 /* Strip "./" or ".///". If we are at the end of the file name | |
| 3592 * and there is no trailing path separator, either strip "/." if | |
| 3593 * we are after "start", or strip "." if we are at the beginning | |
| 3594 * of an absolute path name . */ | |
| 3595 tail = p + 1; | |
| 3596 if (p[1] != NUL) | |
| 3597 while (vim_ispathsep(*tail)) | |
|
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11121
diff
changeset
|
3598 MB_PTR_ADV(tail); |
| 7 | 3599 else if (p > start) |
| 3600 --p; /* strip preceding path separator */ | |
| 1620 | 3601 STRMOVE(p, tail); |
| 7 | 3602 } |
| 3603 } | |
| 3604 else if (p[0] == '.' && p[1] == '.' && | |
| 3605 (vim_ispathsep(p[2]) || p[2] == NUL)) | |
| 3606 { | |
| 3607 /* Skip to after ".." or "../" or "..///". */ | |
| 3608 tail = p + 2; | |
| 3609 while (vim_ispathsep(*tail)) | |
|
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parents:
11121
diff
changeset
|
3610 MB_PTR_ADV(tail); |
| 7 | 3611 |
| 3612 if (components > 0) /* strip one preceding component */ | |
| 3613 { | |
| 3614 int do_strip = FALSE; | |
| 3615 char_u saved_char; | |
|
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Christian Brabandt <cb@256bit.org>
parents:
9068
diff
changeset
|
3616 stat_T st; |
| 7 | 3617 |
| 3618 /* Don't strip for an erroneous file name. */ | |
| 3619 if (!stripping_disabled) | |
| 3620 { | |
| 3621 /* If the preceding component does not exist in the file | |
| 3622 * system, we strip it. On Unix, we don't accept a symbolic | |
| 3623 * link that refers to a non-existent file. */ | |
| 3624 saved_char = p[-1]; | |
| 3625 p[-1] = NUL; | |
| 3626 #ifdef UNIX | |
| 3627 if (mch_lstat((char *)filename, &st) < 0) | |
| 3628 #else | |
| 3629 if (mch_stat((char *)filename, &st) < 0) | |
| 3630 #endif | |
| 3631 do_strip = TRUE; | |
| 3632 p[-1] = saved_char; | |
| 3633 | |
| 3634 --p; | |
| 3635 /* Skip back to after previous '/'. */ | |
| 39 | 3636 while (p > start && !after_pathsep(start, p)) |
|
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parents:
11121
diff
changeset
|
3637 MB_PTR_BACK(start, p); |
| 7 | 3638 |
| 3639 if (!do_strip) | |
| 3640 { | |
| 3641 /* If the component exists in the file system, check | |
| 3642 * that stripping it won't change the meaning of the | |
| 3643 * file name. First get information about the | |
| 3644 * unstripped file name. This may fail if the component | |
| 3645 * to strip is not a searchable directory (but a regular | |
| 3646 * file, for instance), since the trailing "/.." cannot | |
| 3647 * be applied then. We don't strip it then since we | |
| 3648 * don't want to replace an erroneous file name by | |
| 3649 * a valid one, and we disable stripping of later | |
| 3650 * components. */ | |
| 3651 saved_char = *tail; | |
| 3652 *tail = NUL; | |
| 3653 if (mch_stat((char *)filename, &st) >= 0) | |
| 3654 do_strip = TRUE; | |
| 3655 else | |
| 3656 stripping_disabled = TRUE; | |
| 3657 *tail = saved_char; | |
| 3658 #ifdef UNIX | |
| 3659 if (do_strip) | |
| 3660 { | |
|
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Christian Brabandt <cb@256bit.org>
parents:
9068
diff
changeset
|
3661 stat_T new_st; |
| 7 | 3662 |
| 3663 /* On Unix, the check for the unstripped file name | |
| 3664 * above works also for a symbolic link pointing to | |
| 3665 * a searchable directory. But then the parent of | |
| 3666 * the directory pointed to by the link must be the | |
| 3667 * same as the stripped file name. (The latter | |
| 3668 * exists in the file system since it is the | |
| 3669 * component's parent directory.) */ | |
| 3670 if (p == start && relative) | |
| 3671 (void)mch_stat(".", &new_st); | |
| 3672 else | |
| 3673 { | |
| 3674 saved_char = *p; | |
| 3675 *p = NUL; | |
| 3676 (void)mch_stat((char *)filename, &new_st); | |
| 3677 *p = saved_char; | |
| 3678 } | |
| 3679 | |
| 3680 if (new_st.st_ino != st.st_ino || | |
| 3681 new_st.st_dev != st.st_dev) | |
| 3682 { | |
| 3683 do_strip = FALSE; | |
| 3684 /* We don't disable stripping of later | |
| 3685 * components since the unstripped path name is | |
| 3686 * still valid. */ | |
| 3687 } | |
| 3688 } | |
| 3689 #endif | |
| 3690 } | |
| 3691 } | |
| 3692 | |
| 3693 if (!do_strip) | |
| 3694 { | |
| 3695 /* Skip the ".." or "../" and reset the counter for the | |
| 3696 * components that might be stripped later on. */ | |
| 3697 p = tail; | |
| 3698 components = 0; | |
| 3699 } | |
| 3700 else | |
| 3701 { | |
| 3702 /* Strip previous component. If the result would get empty | |
| 3703 * and there is no trailing path separator, leave a single | |
| 3704 * "." instead. If we are at the end of the file name and | |
| 3705 * there is no trailing path separator and a preceding | |
| 3706 * component is left after stripping, strip its trailing | |
| 3707 * path separator as well. */ | |
| 3708 if (p == start && relative && tail[-1] == '.') | |
| 3709 { | |
| 3710 *p++ = '.'; | |
| 3711 *p = NUL; | |
| 3712 } | |
| 3713 else | |
| 3714 { | |
| 3715 if (p > start && tail[-1] == '.') | |
| 3716 --p; | |
| 1620 | 3717 STRMOVE(p, tail); /* strip previous component */ |
| 7 | 3718 } |
| 3719 | |
| 3720 --components; | |
| 3721 } | |
| 3722 } | |
| 3723 else if (p == start && !relative) /* leading "/.." or "/../" */ | |
| 1620 | 3724 STRMOVE(p, tail); /* strip ".." or "../" */ |
| 7 | 3725 else |
| 3726 { | |
| 3727 if (p == start + 2 && p[-2] == '.') /* leading "./../" */ | |
| 3728 { | |
| 1620 | 3729 STRMOVE(p - 2, p); /* strip leading "./" */ |
| 7 | 3730 tail -= 2; |
| 3731 } | |
| 3732 p = tail; /* skip to char after ".." or "../" */ | |
| 3733 } | |
| 3734 } | |
| 3735 else | |
| 3736 { | |
| 3737 ++components; /* simple path component */ | |
| 3738 p = getnextcomp(p); | |
| 3739 } | |
| 3740 } while (*p != NUL); | |
| 3741 #endif /* !AMIGA */ | |
| 3742 } | |
| 3743 | |
| 3744 /* | |
| 3745 * Check if we have a tag for the buffer with name "buf_ffname". | |
| 3746 * This is a bit slow, because of the full path compare in fullpathcmp(). | |
| 3747 * Return TRUE if tag for file "fname" if tag file "tag_fname" is for current | |
| 3748 * file. | |
| 3749 */ | |
| 3750 static int | |
|
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parents:
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diff
changeset
|
3751 test_for_current( |
| 7 | 3752 #ifdef FEAT_EMACS_TAGS |
|
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parents:
7805
diff
changeset
|
3753 int is_etag, |
| 7 | 3754 #endif |
|
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parents:
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diff
changeset
|
3755 char_u *fname, |
|
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parents:
7805
diff
changeset
|
3756 char_u *fname_end, |
|
4d7ce6c03fda
commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
3757 char_u *tag_fname, |
|
4d7ce6c03fda
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Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
3758 char_u *buf_ffname) |
| 7 | 3759 { |
| 3760 int c; | |
| 3761 int retval = FALSE; | |
| 3762 char_u *fullname; | |
| 3763 | |
| 3764 if (buf_ffname != NULL) /* if the buffer has a name */ | |
| 3765 { | |
| 3766 #ifdef FEAT_EMACS_TAGS | |
| 3767 if (is_etag) | |
| 3768 c = 0; /* to shut up GCC */ | |
| 3769 else | |
| 3770 #endif | |
| 3771 { | |
| 3772 c = *fname_end; | |
| 3773 *fname_end = NUL; | |
| 3774 } | |
| 3775 fullname = expand_tag_fname(fname, tag_fname, TRUE); | |
| 3776 if (fullname != NULL) | |
| 3777 { | |
| 3778 retval = (fullpathcmp(fullname, buf_ffname, TRUE) & FPC_SAME); | |
| 3779 vim_free(fullname); | |
| 3780 } | |
| 3781 #ifdef FEAT_EMACS_TAGS | |
| 3782 if (!is_etag) | |
| 3783 #endif | |
| 3784 *fname_end = c; | |
| 3785 } | |
| 3786 | |
| 3787 return retval; | |
| 3788 } | |
| 3789 | |
| 3790 /* | |
| 3791 * Find the end of the tagaddress. | |
| 3792 * Return OK if ";\"" is following, FAIL otherwise. | |
| 3793 */ | |
| 3794 static int | |
|
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parents:
7805
diff
changeset
|
3795 find_extra(char_u **pp) |
| 7 | 3796 { |
| 3797 char_u *str = *pp; | |
| 3798 | |
| 3799 /* Repeat for addresses separated with ';' */ | |
| 3800 for (;;) | |
| 3801 { | |
| 3802 if (VIM_ISDIGIT(*str)) | |
| 3803 str = skipdigits(str); | |
| 3804 else if (*str == '/' || *str == '?') | |
| 3805 { | |
| 3806 str = skip_regexp(str + 1, *str, FALSE, NULL); | |
| 3807 if (*str != **pp) | |
| 3808 str = NULL; | |
| 3809 else | |
| 3810 ++str; | |
| 3811 } | |
| 3812 else | |
| 3813 str = NULL; | |
| 3814 if (str == NULL || *str != ';' | |
| 3815 || !(VIM_ISDIGIT(str[1]) || str[1] == '/' || str[1] == '?')) | |
| 3816 break; | |
| 3817 ++str; /* skip ';' */ | |
| 3818 } | |
| 3819 | |
| 3820 if (str != NULL && STRNCMP(str, ";\"", 2) == 0) | |
| 3821 { | |
| 3822 *pp = str; | |
| 3823 return OK; | |
| 3824 } | |
| 3825 return FAIL; | |
| 3826 } | |
| 3827 | |
| 3828 #if defined(FEAT_CMDL_COMPL) || defined(PROTO) | |
| 3829 int | |
|
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parents:
7805
diff
changeset
|
3830 expand_tags( |
|
4d7ce6c03fda
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parents:
7805
diff
changeset
|
3831 int tagnames, /* expand tag names */ |
|
4d7ce6c03fda
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parents:
7805
diff
changeset
|
3832 char_u *pat, |
|
4d7ce6c03fda
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Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
3833 int *num_file, |
|
4d7ce6c03fda
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Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
3834 char_u ***file) |
| 7 | 3835 { |
| 3836 int i; | |
| 3837 int c; | |
| 3838 int tagnmflag; | |
| 3839 char_u tagnm[100]; | |
| 3840 tagptrs_T t_p; | |
| 3841 int ret; | |
| 3842 | |
| 3843 if (tagnames) | |
| 3844 tagnmflag = TAG_NAMES; | |
| 3845 else | |
| 3846 tagnmflag = 0; | |
| 3847 if (pat[0] == '/') | |
| 3848 ret = find_tags(pat + 1, num_file, file, | |
| 3849 TAG_REGEXP | tagnmflag | TAG_VERBOSE, | |
| 3850 TAG_MANY, curbuf->b_ffname); | |
| 3851 else | |
| 3852 ret = find_tags(pat, num_file, file, | |
| 3853 TAG_REGEXP | tagnmflag | TAG_VERBOSE | TAG_NOIC, | |
| 3854 TAG_MANY, curbuf->b_ffname); | |
| 3855 if (ret == OK && !tagnames) | |
| 3856 { | |
| 3857 /* Reorganize the tags for display and matching as strings of: | |
| 3858 * "<tagname>\0<kind>\0<filename>\0" | |
| 3859 */ | |
| 3860 for (i = 0; i < *num_file; i++) | |
| 3861 { | |
| 3862 parse_match((*file)[i], &t_p); | |
| 3863 c = (int)(t_p.tagname_end - t_p.tagname); | |
| 3864 mch_memmove(tagnm, t_p.tagname, (size_t)c); | |
| 3865 tagnm[c++] = 0; | |
| 3866 tagnm[c++] = (t_p.tagkind != NULL && *t_p.tagkind) | |
| 3867 ? *t_p.tagkind : 'f'; | |
| 3868 tagnm[c++] = 0; | |
| 3869 mch_memmove((*file)[i] + c, t_p.fname, t_p.fname_end - t_p.fname); | |
| 3870 (*file)[i][c + (t_p.fname_end - t_p.fname)] = 0; | |
| 3871 mch_memmove((*file)[i], tagnm, (size_t)c); | |
| 3872 } | |
| 3873 } | |
| 3874 return ret; | |
| 3875 } | |
| 3876 #endif | |
| 179 | 3877 |
| 3878 #if defined(FEAT_EVAL) || defined(PROTO) | |
|
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Christian Brabandt <cb@256bit.org>
parents:
7266
diff
changeset
|
3879 static int add_tag_field(dict_T *dict, char *field_name, char_u *start, char_u *end); |
| 179 | 3880 |
| 3881 /* | |
| 2185 | 3882 * Add a tag field to the dictionary "dict". |
| 3883 * Return OK or FAIL. | |
| 179 | 3884 */ |
| 3885 static int | |
|
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7805
diff
changeset
|
3886 add_tag_field( |
|
4d7ce6c03fda
commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
3887 dict_T *dict, |
|
4d7ce6c03fda
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7805
diff
changeset
|
3888 char *field_name, |
|
4d7ce6c03fda
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parents:
7805
diff
changeset
|
3889 char_u *start, /* start of the value */ |
|
4d7ce6c03fda
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Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
3890 char_u *end) /* after the value; can be NULL */ |
| 179 | 3891 { |
| 2770 | 3892 char_u *buf; |
| 188 | 3893 int len = 0; |
| 2770 | 3894 int retval; |
| 179 | 3895 |
| 2185 | 3896 /* check that the field name doesn't exist yet */ |
| 3897 if (dict_find(dict, (char_u *)field_name, -1) != NULL) | |
| 3898 { | |
| 3899 if (p_verbose > 0) | |
| 3900 { | |
| 3901 verbose_enter(); | |
| 3902 smsg((char_u *)_("Duplicate field name: %s"), field_name); | |
| 3903 verbose_leave(); | |
| 3904 } | |
| 3905 return FAIL; | |
| 3906 } | |
| 2770 | 3907 buf = alloc(MAXPATHL); |
| 3908 if (buf == NULL) | |
| 3909 return FAIL; | |
| 188 | 3910 if (start != NULL) |
| 3911 { | |
| 211 | 3912 if (end == NULL) |
| 3913 { | |
| 3914 end = start + STRLEN(start); | |
| 3915 while (end > start && (end[-1] == '\r' || end[-1] == '\n')) | |
| 3916 --end; | |
| 3917 } | |
| 835 | 3918 len = (int)(end - start); |
| 2770 | 3919 if (len > MAXPATHL - 1) |
| 3920 len = MAXPATHL - 1; | |
| 418 | 3921 vim_strncpy(buf, start, len); |
| 188 | 3922 } |
| 179 | 3923 buf[len] = NUL; |
| 2770 | 3924 retval = dict_add_nr_str(dict, field_name, 0L, buf); |
| 3925 vim_free(buf); | |
| 3926 return retval; | |
| 179 | 3927 } |
| 3928 | |
| 3929 /* | |
|
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Christian Brabandt <cb@256bit.org>
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11158
diff
changeset
|
3930 * Add the tags matching the specified pattern "pat" to the list "list" |
|
d3415ec1cdaf
patch 8.0.0499: taglist() does not prioritize tags for a buffer
Christian Brabandt <cb@256bit.org>
parents:
11158
diff
changeset
|
3931 * as a dictionary. Use "buf_fname" for priority, unless NULL. |
| 179 | 3932 */ |
| 3933 int | |
|
11225
d3415ec1cdaf
patch 8.0.0499: taglist() does not prioritize tags for a buffer
Christian Brabandt <cb@256bit.org>
parents:
11158
diff
changeset
|
3934 get_tags(list_T *list, char_u *pat, char_u *buf_fname) |
| 179 | 3935 { |
| 3936 int num_matches, i, ret; | |
| 3937 char_u **matches, *p; | |
| 970 | 3938 char_u *full_fname; |
| 179 | 3939 dict_T *dict; |
| 3940 tagptrs_T tp; | |
| 3941 long is_static; | |
| 3942 | |
| 3943 ret = find_tags(pat, &num_matches, &matches, | |
|
11225
d3415ec1cdaf
patch 8.0.0499: taglist() does not prioritize tags for a buffer
Christian Brabandt <cb@256bit.org>
parents:
11158
diff
changeset
|
3944 TAG_REGEXP | TAG_NOIC, (int)MAXCOL, buf_fname); |
| 179 | 3945 if (ret == OK && num_matches > 0) |
| 3946 { | |
| 3947 for (i = 0; i < num_matches; ++i) | |
| 3948 { | |
| 188 | 3949 parse_match(matches[i], &tp); |
| 3950 is_static = test_for_static(&tp); | |
| 3951 | |
| 3952 /* Skip pseudo-tag lines. */ | |
| 3953 if (STRNCMP(tp.tagname, "!_TAG_", 6) == 0) | |
| 3954 continue; | |
| 3955 | |
| 179 | 3956 if ((dict = dict_alloc()) == NULL) |
| 3957 ret = FAIL; | |
| 3958 if (list_append_dict(list, dict) == FAIL) | |
| 3959 ret = FAIL; | |
| 3960 | |
| 970 | 3961 full_fname = tag_full_fname(&tp); |
| 179 | 3962 if (add_tag_field(dict, "name", tp.tagname, tp.tagname_end) == FAIL |
| 970 | 3963 || add_tag_field(dict, "filename", full_fname, |
| 3964 NULL) == FAIL | |
| 179 | 3965 || add_tag_field(dict, "cmd", tp.command, |
| 3966 tp.command_end) == FAIL | |
| 3967 || add_tag_field(dict, "kind", tp.tagkind, | |
| 3968 tp.tagkind_end) == FAIL | |
| 3969 || dict_add_nr_str(dict, "static", is_static, NULL) == FAIL) | |
| 3970 ret = FAIL; | |
| 3971 | |
| 970 | 3972 vim_free(full_fname); |
| 3973 | |
| 179 | 3974 if (tp.command_end != NULL) |
| 3975 { | |
| 3976 for (p = tp.command_end + 3; | |
| 3977 *p != NUL && *p != '\n' && *p != '\r'; ++p) | |
| 3978 { | |
| 3979 if (p == tp.tagkind || (p + 5 == tp.tagkind | |
| 3980 && STRNCMP(p, "kind:", 5) == 0)) | |
| 3981 /* skip "kind:<kind>" and "<kind>" */ | |
| 3982 p = tp.tagkind_end - 1; | |
| 3983 else if (STRNCMP(p, "file:", 5) == 0) | |
| 3984 /* skip "file:" (static tag) */ | |
| 3985 p += 4; | |
|
11129
f4ea50924c6d
patch 8.0.0452: some macros are in lower case
Christian Brabandt <cb@256bit.org>
parents:
11127
diff
changeset
|
3986 else if (!VIM_ISWHITE(*p)) |
| 179 | 3987 { |
| 3988 char_u *s, *n; | |
| 188 | 3989 int len; |
| 179 | 3990 |
| 799 | 3991 /* Add extra field as a dict entry. Fields are |
| 3992 * separated by Tabs. */ | |
| 179 | 3993 n = p; |
| 799 | 3994 while (*p != NUL && *p >= ' ' && *p < 127 && *p != ':') |
| 179 | 3995 ++p; |
| 835 | 3996 len = (int)(p - n); |
| 188 | 3997 if (*p == ':' && len > 0) |
| 3998 { | |
| 3999 s = ++p; | |
| 836 | 4000 while (*p != NUL && *p >= ' ') |
| 188 | 4001 ++p; |
| 4002 n[len] = NUL; | |
| 4003 if (add_tag_field(dict, (char *)n, s, p) == FAIL) | |
| 4004 ret = FAIL; | |
| 4005 n[len] = ':'; | |
| 4006 } | |
| 836 | 4007 else |
| 4008 /* Skip field without colon. */ | |
| 4009 while (*p != NUL && *p >= ' ') | |
| 4010 ++p; | |
| 1674 | 4011 if (*p == NUL) |
| 4012 break; | |
| 179 | 4013 } |
| 4014 } | |
| 4015 } | |
| 4016 | |
| 4017 vim_free(matches[i]); | |
| 4018 } | |
| 4019 vim_free(matches); | |
| 4020 } | |
| 4021 return ret; | |
| 4022 } | |
| 4023 #endif |