Mercurial > vim
annotate src/tag.c @ 5792:8d1ba0a23588 v7.4.240
updated for version 7.4.240
Problem: ":tjump" shows "\n" as "\\n".
Solution: Skip over "\" that escapes a backslash. (Gary Johnson)
| author | Bram Moolenaar <bram@vim.org> |
|---|---|
| date | Wed, 02 Apr 2014 17:19:04 +0200 |
| parents | eed95874f30e |
| children | b782813c73a6 |
| rev | line source |
|---|---|
| 7 | 1 /* vi:set ts=8 sts=4 sw=4: |
| 2 * | |
| 3 * VIM - Vi IMproved by Bram Moolenaar | |
| 4 * | |
| 5 * Do ":help uganda" in Vim to read copying and usage conditions. | |
| 6 * Do ":help credits" in Vim to see a list of people who contributed. | |
| 7 * See README.txt for an overview of the Vim source code. | |
| 8 */ | |
| 9 | |
| 10 /* | |
| 11 * Code to handle tags and the tag stack | |
| 12 */ | |
| 13 | |
| 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 /* | |
| 38 * The matching tags are first stored in ga_match[]. In which one depends on | |
| 39 * the priority of the match. | |
| 40 * At the end, the matches from ga_match[] are concatenated, to make a list | |
| 41 * sorted on priority. | |
| 42 */ | |
| 43 #define MT_ST_CUR 0 /* static match in current file */ | |
| 44 #define MT_GL_CUR 1 /* global match in current file */ | |
| 45 #define MT_GL_OTH 2 /* global match in other file */ | |
| 46 #define MT_ST_OTH 3 /* static match in other file */ | |
| 47 #define MT_IC_ST_CUR 4 /* icase static match in current file */ | |
| 48 #define MT_IC_GL_CUR 5 /* icase global match in current file */ | |
| 49 #define MT_IC_GL_OTH 6 /* icase global match in other file */ | |
| 50 #define MT_IC_ST_OTH 7 /* icase static match in other file */ | |
| 51 #define MT_IC_OFF 4 /* add for icase match */ | |
| 52 #define MT_RE_OFF 8 /* add for regexp match */ | |
| 53 #define MT_MASK 7 /* mask for printing priority */ | |
| 54 #define MT_COUNT 16 | |
| 55 | |
| 56 static char *mt_names[MT_COUNT/2] = | |
| 57 {"FSC", "F C", "F ", "FS ", " SC", " C", " ", " S "}; | |
| 58 | |
| 59 #define NOTAGFILE 99 /* return value for jumpto_tag */ | |
| 60 static char_u *nofile_fname = NULL; /* fname for NOTAGFILE error */ | |
| 61 | |
| 62 static void taglen_advance __ARGS((int l)); | |
| 63 | |
| 64 static int jumpto_tag __ARGS((char_u *lbuf, int forceit, int keep_help)); | |
| 65 #ifdef FEAT_EMACS_TAGS | |
| 66 static int parse_tag_line __ARGS((char_u *lbuf, int is_etag, tagptrs_T *tagp)); | |
| 67 #else | |
| 68 static int parse_tag_line __ARGS((char_u *lbuf, tagptrs_T *tagp)); | |
| 69 #endif | |
| 70 static int test_for_static __ARGS((tagptrs_T *)); | |
| 71 static int parse_match __ARGS((char_u *lbuf, tagptrs_T *tagp)); | |
| 72 static char_u *tag_full_fname __ARGS((tagptrs_T *tagp)); | |
| 73 static char_u *expand_tag_fname __ARGS((char_u *fname, char_u *tag_fname, int expand)); | |
| 74 #ifdef FEAT_EMACS_TAGS | |
| 75 static int test_for_current __ARGS((int, char_u *, char_u *, char_u *, char_u *)); | |
| 76 #else | |
| 77 static int test_for_current __ARGS((char_u *, char_u *, char_u *, char_u *)); | |
| 78 #endif | |
| 79 static int find_extra __ARGS((char_u **pp)); | |
| 80 | |
| 81 static char_u *bottommsg = (char_u *)N_("E555: at bottom of tag stack"); | |
| 82 static char_u *topmsg = (char_u *)N_("E556: at top of tag stack"); | |
| 83 | |
| 84 static char_u *tagmatchname = NULL; /* name of last used tag */ | |
| 85 | |
| 86 /* | |
| 87 * We use ftello() here, if available. It returns off_t instead of long, | |
| 88 * which helps if long is 32 bit and off_t is 64 bit. | |
|
2087
3112fcc89238
updated for version 7.2.371
Bram Moolenaar <bram@zimbu.org>
parents:
1883
diff
changeset
|
89 * We assume that when fseeko() is available then ftello() is too. |
| 7 | 90 */ |
|
2087
3112fcc89238
updated for version 7.2.371
Bram Moolenaar <bram@zimbu.org>
parents:
1883
diff
changeset
|
91 #ifdef HAVE_FSEEKO |
| 7 | 92 # define ftell ftello |
| 93 #endif | |
| 94 | |
| 95 #if defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX) | |
| 96 /* | |
| 97 * Tag for preview window is remembered separately, to avoid messing up the | |
| 98 * normal tagstack. | |
| 99 */ | |
| 1883 | 100 static taggy_T ptag_entry = {NULL, {INIT_POS_T(0, 0, 0), 0}, 0, 0}; |
| 7 | 101 #endif |
| 102 | |
| 103 /* | |
| 104 * Jump to tag; handling of tag commands and tag stack | |
| 105 * | |
| 106 * *tag != NUL: ":tag {tag}", jump to new tag, add to tag stack | |
| 107 * | |
| 108 * type == DT_TAG: ":tag [tag]", jump to newer position or same tag again | |
| 109 * type == DT_HELP: like DT_TAG, but don't use regexp. | |
| 110 * type == DT_POP: ":pop" or CTRL-T, jump to old position | |
| 111 * type == DT_NEXT: jump to next match of same tag | |
| 112 * type == DT_PREV: jump to previous match of same tag | |
| 113 * type == DT_FIRST: jump to first match of same tag | |
| 114 * type == DT_LAST: jump to last match of same tag | |
| 115 * type == DT_SELECT: ":tselect [tag]", select tag from a list of all matches | |
| 116 * type == DT_JUMP: ":tjump [tag]", jump to tag or select tag from a list | |
| 359 | 117 * type == DT_CSCOPE: use cscope to find the tag |
| 649 | 118 * type == DT_LTAG: use location list for displaying tag matches |
| 359 | 119 * type == DT_FREE: free cached matches |
| 7 | 120 * |
| 121 * for cscope, returns TRUE if we jumped to tag or aborted, FALSE otherwise | |
| 122 */ | |
| 123 int | |
| 124 do_tag(tag, type, count, forceit, verbose) | |
| 125 char_u *tag; /* tag (pattern) to jump to */ | |
| 126 int type; | |
| 127 int count; | |
| 128 int forceit; /* :ta with ! */ | |
| 129 int verbose; /* print "tag not found" message */ | |
| 130 { | |
| 131 taggy_T *tagstack = curwin->w_tagstack; | |
| 132 int tagstackidx = curwin->w_tagstackidx; | |
| 133 int tagstacklen = curwin->w_tagstacklen; | |
| 134 int cur_match = 0; | |
| 135 int cur_fnum = curbuf->b_fnum; | |
| 136 int oldtagstackidx = tagstackidx; | |
| 137 int prevtagstackidx = tagstackidx; | |
| 138 int prev_num_matches; | |
| 139 int new_tag = FALSE; | |
| 140 int other_name; | |
| 141 int i, j, k; | |
| 142 int idx; | |
| 143 int ic; | |
| 144 char_u *p; | |
| 145 char_u *name; | |
| 146 int no_regexp = FALSE; | |
| 147 int error_cur_match = 0; | |
| 148 char_u *command_end; | |
| 149 int save_pos = FALSE; | |
| 150 fmark_T saved_fmark; | |
| 151 int taglen; | |
| 152 #ifdef FEAT_CSCOPE | |
| 153 int jumped_to_tag = FALSE; | |
| 154 #endif | |
| 155 tagptrs_T tagp, tagp2; | |
| 156 int new_num_matches; | |
| 157 char_u **new_matches; | |
| 158 int attr; | |
| 159 int use_tagstack; | |
| 160 int skip_msg = FALSE; | |
| 161 char_u *buf_ffname = curbuf->b_ffname; /* name to use for | |
| 162 priority computation */ | |
| 163 | |
| 164 /* remember the matches for the last used tag */ | |
| 165 static int num_matches = 0; | |
| 166 static int max_num_matches = 0; /* limit used for match search */ | |
| 167 static char_u **matches = NULL; | |
| 168 static int flags; | |
| 169 | |
| 359 | 170 #ifdef EXITFREE |
| 171 if (type == DT_FREE) | |
| 172 { | |
| 173 /* remove the list of matches */ | |
| 174 FreeWild(num_matches, matches); | |
| 175 # ifdef FEAT_CSCOPE | |
| 176 cs_free_tags(); | |
| 177 # endif | |
| 178 num_matches = 0; | |
| 179 return FALSE; | |
| 180 } | |
| 181 #endif | |
| 182 | |
| 7 | 183 if (type == DT_HELP) |
| 184 { | |
| 185 type = DT_TAG; | |
| 186 no_regexp = TRUE; | |
| 187 } | |
| 188 | |
| 189 prev_num_matches = num_matches; | |
| 190 free_string_option(nofile_fname); | |
| 191 nofile_fname = NULL; | |
| 192 | |
| 698 | 193 clearpos(&saved_fmark.mark); /* shutup gcc 4.0 */ |
| 194 saved_fmark.fnum = 0; | |
| 195 | |
| 7 | 196 /* |
| 197 * Don't add a tag to the tagstack if 'tagstack' has been reset. | |
| 198 */ | |
| 199 if ((!p_tgst && *tag != NUL)) | |
| 200 { | |
| 201 use_tagstack = FALSE; | |
| 202 new_tag = TRUE; | |
| 203 } | |
| 204 else | |
| 205 { | |
| 206 #if defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX) | |
| 2713 | 207 if (g_do_tagpreview != 0) |
| 7 | 208 use_tagstack = FALSE; |
| 209 else | |
| 210 #endif | |
| 211 use_tagstack = TRUE; | |
| 212 | |
| 213 /* new pattern, add to the tag stack */ | |
| 845 | 214 if (*tag != NUL |
| 215 && (type == DT_TAG || type == DT_SELECT || type == DT_JUMP | |
| 649 | 216 #ifdef FEAT_QUICKFIX |
| 217 || type == DT_LTAG | |
| 218 #endif | |
| 7 | 219 #ifdef FEAT_CSCOPE |
| 220 || type == DT_CSCOPE | |
| 221 #endif | |
| 222 )) | |
| 223 { | |
| 224 #if defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX) | |
| 2713 | 225 if (g_do_tagpreview != 0) |
| 7 | 226 { |
| 227 if (ptag_entry.tagname != NULL | |
| 228 && STRCMP(ptag_entry.tagname, tag) == 0) | |
| 229 { | |
| 230 /* Jumping to same tag: keep the current match, so that | |
| 231 * the CursorHold autocommand example works. */ | |
| 232 cur_match = ptag_entry.cur_match; | |
| 233 cur_fnum = ptag_entry.cur_fnum; | |
| 234 } | |
| 235 else | |
| 236 { | |
| 237 vim_free(ptag_entry.tagname); | |
| 238 if ((ptag_entry.tagname = vim_strsave(tag)) == NULL) | |
| 239 goto end_do_tag; | |
| 240 } | |
| 241 } | |
| 242 else | |
| 243 #endif | |
| 244 { | |
| 245 /* | |
| 246 * If the last used entry is not at the top, delete all tag | |
| 247 * stack entries above it. | |
| 248 */ | |
| 249 while (tagstackidx < tagstacklen) | |
| 250 vim_free(tagstack[--tagstacklen].tagname); | |
| 251 | |
| 252 /* if the tagstack is full: remove oldest entry */ | |
| 253 if (++tagstacklen > TAGSTACKSIZE) | |
| 254 { | |
| 255 tagstacklen = TAGSTACKSIZE; | |
| 256 vim_free(tagstack[0].tagname); | |
| 257 for (i = 1; i < tagstacklen; ++i) | |
| 258 tagstack[i - 1] = tagstack[i]; | |
| 259 --tagstackidx; | |
| 260 } | |
| 261 | |
| 262 /* | |
| 263 * put the tag name in the tag stack | |
| 264 */ | |
| 265 if ((tagstack[tagstackidx].tagname = vim_strsave(tag)) == NULL) | |
| 266 { | |
| 267 curwin->w_tagstacklen = tagstacklen - 1; | |
| 268 goto end_do_tag; | |
| 269 } | |
| 270 curwin->w_tagstacklen = tagstacklen; | |
| 271 | |
| 272 save_pos = TRUE; /* save the cursor position below */ | |
| 273 } | |
| 274 | |
| 275 new_tag = TRUE; | |
| 276 } | |
| 277 else | |
| 278 { | |
| 279 if ( | |
| 280 #if defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX) | |
| 2713 | 281 g_do_tagpreview != 0 ? ptag_entry.tagname == NULL : |
| 7 | 282 #endif |
| 283 tagstacklen == 0) | |
| 284 { | |
| 285 /* empty stack */ | |
| 286 EMSG(_(e_tagstack)); | |
| 287 goto end_do_tag; | |
| 288 } | |
| 289 | |
| 290 if (type == DT_POP) /* go to older position */ | |
| 291 { | |
| 292 #ifdef FEAT_FOLDING | |
| 293 int old_KeyTyped = KeyTyped; | |
| 294 #endif | |
| 295 if ((tagstackidx -= count) < 0) | |
| 296 { | |
| 297 EMSG(_(bottommsg)); | |
| 298 if (tagstackidx + count == 0) | |
| 299 { | |
| 300 /* We did [num]^T from the bottom of the stack */ | |
| 301 tagstackidx = 0; | |
| 302 goto end_do_tag; | |
| 303 } | |
| 304 /* We weren't at the bottom of the stack, so jump all the | |
| 305 * way to the bottom now. | |
| 306 */ | |
| 307 tagstackidx = 0; | |
| 308 } | |
| 309 else if (tagstackidx >= tagstacklen) /* count == 0? */ | |
| 310 { | |
| 311 EMSG(_(topmsg)); | |
| 312 goto end_do_tag; | |
| 313 } | |
| 314 | |
| 315 /* Make a copy of the fmark, autocommands may invalidate the | |
| 316 * tagstack before it's used. */ | |
| 317 saved_fmark = tagstack[tagstackidx].fmark; | |
| 318 if (saved_fmark.fnum != curbuf->b_fnum) | |
| 319 { | |
| 320 /* | |
| 321 * Jump to other file. If this fails (e.g. because the | |
| 322 * file was changed) keep original position in tag stack. | |
| 323 */ | |
| 324 if (buflist_getfile(saved_fmark.fnum, saved_fmark.mark.lnum, | |
| 325 GETF_SETMARK, forceit) == FAIL) | |
| 326 { | |
| 327 tagstackidx = oldtagstackidx; /* back to old posn */ | |
| 328 goto end_do_tag; | |
| 329 } | |
| 330 /* An BufReadPost autocommand may jump to the '" mark, but | |
| 331 * we don't what that here. */ | |
| 332 curwin->w_cursor.lnum = saved_fmark.mark.lnum; | |
| 333 } | |
| 334 else | |
| 335 { | |
| 336 setpcmark(); | |
| 337 curwin->w_cursor.lnum = saved_fmark.mark.lnum; | |
| 338 } | |
| 339 curwin->w_cursor.col = saved_fmark.mark.col; | |
| 340 curwin->w_set_curswant = TRUE; | |
| 341 check_cursor(); | |
| 342 #ifdef FEAT_FOLDING | |
| 343 if ((fdo_flags & FDO_TAG) && old_KeyTyped) | |
| 344 foldOpenCursor(); | |
| 345 #endif | |
| 346 | |
| 347 /* remove the old list of matches */ | |
| 348 FreeWild(num_matches, matches); | |
| 349 #ifdef FEAT_CSCOPE | |
| 350 cs_free_tags(); | |
| 351 #endif | |
| 352 num_matches = 0; | |
| 845 | 353 tag_freematch(); |
| 7 | 354 goto end_do_tag; |
| 355 } | |
| 356 | |
| 692 | 357 if (type == DT_TAG |
| 358 #if defined(FEAT_QUICKFIX) | |
| 845 | 359 || type == DT_LTAG |
| 692 | 360 #endif |
| 845 | 361 ) |
| 7 | 362 { |
| 363 #if defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX) | |
| 2713 | 364 if (g_do_tagpreview != 0) |
| 7 | 365 { |
| 366 cur_match = ptag_entry.cur_match; | |
| 367 cur_fnum = ptag_entry.cur_fnum; | |
| 368 } | |
| 369 else | |
| 370 #endif | |
| 371 { | |
| 372 /* ":tag" (no argument): go to newer pattern */ | |
| 373 save_pos = TRUE; /* save the cursor position below */ | |
| 374 if ((tagstackidx += count - 1) >= tagstacklen) | |
| 375 { | |
| 376 /* | |
| 377 * Beyond the last one, just give an error message and | |
| 378 * go to the last one. Don't store the cursor | |
| 1204 | 379 * position. |
| 7 | 380 */ |
| 381 tagstackidx = tagstacklen - 1; | |
| 382 EMSG(_(topmsg)); | |
| 383 save_pos = FALSE; | |
| 384 } | |
| 385 else if (tagstackidx < 0) /* must have been count == 0 */ | |
| 386 { | |
| 387 EMSG(_(bottommsg)); | |
| 388 tagstackidx = 0; | |
| 389 goto end_do_tag; | |
| 390 } | |
| 391 cur_match = tagstack[tagstackidx].cur_match; | |
| 392 cur_fnum = tagstack[tagstackidx].cur_fnum; | |
| 393 } | |
| 394 new_tag = TRUE; | |
| 395 } | |
| 396 else /* go to other matching tag */ | |
| 397 { | |
| 398 /* Save index for when selection is cancelled. */ | |
| 399 prevtagstackidx = tagstackidx; | |
| 400 | |
| 401 #if defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX) | |
| 2713 | 402 if (g_do_tagpreview != 0) |
| 7 | 403 { |
| 404 cur_match = ptag_entry.cur_match; | |
| 405 cur_fnum = ptag_entry.cur_fnum; | |
| 406 } | |
| 407 else | |
| 408 #endif | |
| 409 { | |
| 410 if (--tagstackidx < 0) | |
| 411 tagstackidx = 0; | |
| 412 cur_match = tagstack[tagstackidx].cur_match; | |
| 413 cur_fnum = tagstack[tagstackidx].cur_fnum; | |
| 414 } | |
| 415 switch (type) | |
| 416 { | |
| 417 case DT_FIRST: cur_match = count - 1; break; | |
| 418 case DT_SELECT: | |
| 419 case DT_JUMP: | |
| 420 #ifdef FEAT_CSCOPE | |
| 421 case DT_CSCOPE: | |
| 422 #endif | |
| 423 case DT_LAST: cur_match = MAXCOL - 1; break; | |
| 424 case DT_NEXT: cur_match += count; break; | |
| 425 case DT_PREV: cur_match -= count; break; | |
| 426 } | |
| 427 if (cur_match >= MAXCOL) | |
| 428 cur_match = MAXCOL - 1; | |
| 429 else if (cur_match < 0) | |
| 430 { | |
| 431 EMSG(_("E425: Cannot go before first matching tag")); | |
| 432 skip_msg = TRUE; | |
| 433 cur_match = 0; | |
| 434 cur_fnum = curbuf->b_fnum; | |
| 435 } | |
| 436 } | |
| 437 } | |
| 438 | |
| 439 #if defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX) | |
| 2713 | 440 if (g_do_tagpreview != 0) |
| 7 | 441 { |
| 442 if (type != DT_SELECT && type != DT_JUMP) | |
| 443 { | |
| 444 ptag_entry.cur_match = cur_match; | |
| 445 ptag_entry.cur_fnum = cur_fnum; | |
| 446 } | |
| 447 } | |
| 448 else | |
| 449 #endif | |
| 450 { | |
| 451 /* | |
| 452 * For ":tag [arg]" or ":tselect" remember position before the jump. | |
| 453 */ | |
| 454 saved_fmark = tagstack[tagstackidx].fmark; | |
| 455 if (save_pos) | |
| 456 { | |
| 457 tagstack[tagstackidx].fmark.mark = curwin->w_cursor; | |
| 458 tagstack[tagstackidx].fmark.fnum = curbuf->b_fnum; | |
| 459 } | |
| 460 | |
| 461 /* Curwin will change in the call to jumpto_tag() if ":stag" was | |
| 462 * used or an autocommand jumps to another window; store value of | |
| 463 * tagstackidx now. */ | |
| 464 curwin->w_tagstackidx = tagstackidx; | |
| 465 if (type != DT_SELECT && type != DT_JUMP) | |
| 466 { | |
| 467 curwin->w_tagstack[tagstackidx].cur_match = cur_match; | |
| 468 curwin->w_tagstack[tagstackidx].cur_fnum = cur_fnum; | |
| 469 } | |
| 470 } | |
| 471 } | |
| 472 | |
| 473 /* When not using the current buffer get the name of buffer "cur_fnum". | |
| 474 * Makes sure that the tag order doesn't change when using a remembered | |
| 475 * position for "cur_match". */ | |
| 476 if (cur_fnum != curbuf->b_fnum) | |
| 477 { | |
| 478 buf_T *buf = buflist_findnr(cur_fnum); | |
| 479 | |
| 480 if (buf != NULL) | |
| 481 buf_ffname = buf->b_ffname; | |
| 482 } | |
| 483 | |
| 484 /* | |
| 485 * Repeat searching for tags, when a file has not been found. | |
| 486 */ | |
| 487 for (;;) | |
| 488 { | |
| 489 /* | |
| 490 * When desired match not found yet, try to find it (and others). | |
| 491 */ | |
| 492 if (use_tagstack) | |
| 493 name = tagstack[tagstackidx].tagname; | |
| 494 #if defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX) | |
| 2713 | 495 else if (g_do_tagpreview != 0) |
| 7 | 496 name = ptag_entry.tagname; |
| 497 #endif | |
| 498 else | |
| 499 name = tag; | |
| 500 other_name = (tagmatchname == NULL || STRCMP(tagmatchname, name) != 0); | |
| 501 if (new_tag | |
| 502 || (cur_match >= num_matches && max_num_matches != MAXCOL) | |
| 503 || other_name) | |
| 504 { | |
| 505 if (other_name) | |
| 506 { | |
| 507 vim_free(tagmatchname); | |
| 508 tagmatchname = vim_strsave(name); | |
| 509 } | |
| 510 | |
| 685 | 511 /* |
| 512 * If a count is supplied to the ":tag <name>" command, then | |
| 513 * jump to count'th matching tag. | |
| 514 */ | |
| 1785 | 515 if (type == DT_TAG && *tag != NUL && count > 0) |
| 685 | 516 cur_match = count - 1; |
| 517 | |
| 692 | 518 if (type == DT_SELECT || type == DT_JUMP |
| 519 #if defined(FEAT_QUICKFIX) | |
| 520 || type == DT_LTAG | |
| 521 #endif | |
| 522 ) | |
| 7 | 523 cur_match = MAXCOL - 1; |
| 524 max_num_matches = cur_match + 1; | |
| 525 | |
| 526 /* when the argument starts with '/', use it as a regexp */ | |
| 527 if (!no_regexp && *name == '/') | |
| 528 { | |
| 529 flags = TAG_REGEXP; | |
| 530 ++name; | |
| 531 } | |
| 532 else | |
| 533 flags = TAG_NOIC; | |
| 534 | |
| 535 #ifdef FEAT_CSCOPE | |
| 536 if (type == DT_CSCOPE) | |
| 537 flags = TAG_CSCOPE; | |
| 538 #endif | |
| 539 if (verbose) | |
| 540 flags |= TAG_VERBOSE; | |
| 541 if (find_tags(name, &new_num_matches, &new_matches, flags, | |
| 542 max_num_matches, buf_ffname) == OK | |
| 543 && new_num_matches < max_num_matches) | |
| 544 max_num_matches = MAXCOL; /* If less than max_num_matches | |
| 545 found: all matches found. */ | |
| 546 | |
| 547 /* If there already were some matches for the same name, move them | |
| 548 * to the start. Avoids that the order changes when using | |
| 549 * ":tnext" and jumping to another file. */ | |
| 550 if (!new_tag && !other_name) | |
| 551 { | |
| 552 /* Find the position of each old match in the new list. Need | |
| 553 * to use parse_match() to find the tag line. */ | |
| 554 idx = 0; | |
| 555 for (j = 0; j < num_matches; ++j) | |
| 556 { | |
| 557 parse_match(matches[j], &tagp); | |
| 558 for (i = idx; i < new_num_matches; ++i) | |
| 559 { | |
| 560 parse_match(new_matches[i], &tagp2); | |
| 561 if (STRCMP(tagp.tagname, tagp2.tagname) == 0) | |
| 562 { | |
| 563 p = new_matches[i]; | |
| 564 for (k = i; k > idx; --k) | |
| 565 new_matches[k] = new_matches[k - 1]; | |
| 566 new_matches[idx++] = p; | |
| 567 break; | |
| 568 } | |
| 569 } | |
| 570 } | |
| 571 } | |
| 572 FreeWild(num_matches, matches); | |
| 573 num_matches = new_num_matches; | |
| 574 matches = new_matches; | |
| 575 } | |
| 576 | |
| 577 if (num_matches <= 0) | |
| 578 { | |
| 579 if (verbose) | |
| 580 EMSG2(_("E426: tag not found: %s"), name); | |
| 581 #if defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX) | |
| 582 g_do_tagpreview = 0; | |
| 583 #endif | |
| 584 } | |
| 585 else | |
| 586 { | |
| 587 int ask_for_selection = FALSE; | |
| 588 | |
| 589 #ifdef FEAT_CSCOPE | |
| 590 if (type == DT_CSCOPE && num_matches > 1) | |
| 591 { | |
| 592 cs_print_tags(); | |
| 593 ask_for_selection = TRUE; | |
| 594 } | |
| 595 else | |
| 596 #endif | |
| 597 if (type == DT_SELECT || (type == DT_JUMP && num_matches > 1)) | |
| 598 { | |
| 599 /* | |
| 600 * List all the matching tags. | |
| 601 * Assume that the first match indicates how long the tags can | |
| 602 * be, and align the file names to that. | |
| 603 */ | |
| 604 parse_match(matches[0], &tagp); | |
| 605 taglen = (int)(tagp.tagname_end - tagp.tagname + 2); | |
| 606 if (taglen < 18) | |
| 607 taglen = 18; | |
| 608 if (taglen > Columns - 25) | |
| 609 taglen = MAXCOL; | |
| 610 if (msg_col == 0) | |
| 611 msg_didout = FALSE; /* overwrite previous message */ | |
| 612 msg_start(); | |
| 613 MSG_PUTS_ATTR(_(" # pri kind tag"), hl_attr(HLF_T)); | |
| 614 msg_clr_eos(); | |
| 615 taglen_advance(taglen); | |
| 616 MSG_PUTS_ATTR(_("file\n"), hl_attr(HLF_T)); | |
| 617 | |
| 1826 | 618 for (i = 0; i < num_matches && !got_int; ++i) |
| 7 | 619 { |
| 620 parse_match(matches[i], &tagp); | |
| 621 if (!new_tag && ( | |
| 622 #if defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX) | |
| 2713 | 623 (g_do_tagpreview != 0 |
| 7 | 624 && i == ptag_entry.cur_match) || |
| 625 #endif | |
| 626 (use_tagstack | |
| 627 && i == tagstack[tagstackidx].cur_match))) | |
| 628 *IObuff = '>'; | |
| 629 else | |
| 630 *IObuff = ' '; | |
| 273 | 631 vim_snprintf((char *)IObuff + 1, IOSIZE - 1, |
| 632 "%2d %s ", i + 1, | |
| 7 | 633 mt_names[matches[i][0] & MT_MASK]); |
| 634 msg_puts(IObuff); | |
| 635 if (tagp.tagkind != NULL) | |
| 636 msg_outtrans_len(tagp.tagkind, | |
| 637 (int)(tagp.tagkind_end - tagp.tagkind)); | |
| 638 msg_advance(13); | |
| 639 msg_outtrans_len_attr(tagp.tagname, | |
| 640 (int)(tagp.tagname_end - tagp.tagname), | |
| 641 hl_attr(HLF_T)); | |
| 642 msg_putchar(' '); | |
| 643 taglen_advance(taglen); | |
| 644 | |
| 645 /* Find out the actual file name. If it is long, truncate | |
| 646 * it and put "..." in the middle */ | |
| 647 p = tag_full_fname(&tagp); | |
| 648 if (p != NULL) | |
| 649 { | |
| 650 msg_puts_long_attr(p, hl_attr(HLF_D)); | |
| 651 vim_free(p); | |
| 652 } | |
| 653 if (msg_col > 0) | |
| 654 msg_putchar('\n'); | |
| 1826 | 655 if (got_int) |
| 656 break; | |
| 7 | 657 msg_advance(15); |
| 658 | |
| 659 /* print any extra fields */ | |
| 660 command_end = tagp.command_end; | |
| 661 if (command_end != NULL) | |
| 662 { | |
| 663 p = command_end + 3; | |
| 664 while (*p && *p != '\r' && *p != '\n') | |
| 665 { | |
| 666 while (*p == TAB) | |
| 667 ++p; | |
| 668 | |
| 669 /* skip "file:" without a value (static tag) */ | |
| 670 if (STRNCMP(p, "file:", 5) == 0 | |
| 671 && vim_isspace(p[5])) | |
| 672 { | |
| 673 p += 5; | |
| 674 continue; | |
| 675 } | |
| 676 /* skip "kind:<kind>" and "<kind>" */ | |
| 677 if (p == tagp.tagkind | |
| 678 || (p + 5 == tagp.tagkind | |
| 679 && STRNCMP(p, "kind:", 5) == 0)) | |
| 680 { | |
| 681 p = tagp.tagkind_end; | |
| 682 continue; | |
| 683 } | |
| 684 /* print all other extra fields */ | |
| 685 attr = hl_attr(HLF_CM); | |
| 686 while (*p && *p != '\r' && *p != '\n') | |
| 687 { | |
| 688 if (msg_col + ptr2cells(p) >= Columns) | |
| 689 { | |
| 690 msg_putchar('\n'); | |
| 1826 | 691 if (got_int) |
| 692 break; | |
| 7 | 693 msg_advance(15); |
| 694 } | |
| 695 p = msg_outtrans_one(p, attr); | |
| 696 if (*p == TAB) | |
| 697 { | |
| 698 msg_puts_attr((char_u *)" ", attr); | |
| 699 break; | |
| 700 } | |
| 701 if (*p == ':') | |
| 702 attr = 0; | |
| 703 } | |
| 704 } | |
| 705 if (msg_col > 15) | |
| 706 { | |
| 707 msg_putchar('\n'); | |
| 1826 | 708 if (got_int) |
| 709 break; | |
| 7 | 710 msg_advance(15); |
| 711 } | |
| 712 } | |
| 713 else | |
| 714 { | |
| 715 for (p = tagp.command; | |
| 716 *p && *p != '\r' && *p != '\n'; ++p) | |
| 717 ; | |
| 718 command_end = p; | |
| 719 } | |
| 720 | |
| 721 /* | |
| 722 * Put the info (in several lines) at column 15. | |
| 723 * Don't display "/^" and "?^". | |
| 724 */ | |
| 725 p = tagp.command; | |
| 726 if (*p == '/' || *p == '?') | |
| 727 { | |
| 728 ++p; | |
| 729 if (*p == '^') | |
| 730 ++p; | |
| 731 } | |
| 732 /* Remove leading whitespace from pattern */ | |
| 733 while (p != command_end && vim_isspace(*p)) | |
| 734 ++p; | |
| 735 | |
| 736 while (p != command_end) | |
| 737 { | |
| 738 if (msg_col + (*p == TAB ? 1 : ptr2cells(p)) > Columns) | |
| 739 msg_putchar('\n'); | |
| 1826 | 740 if (got_int) |
| 741 break; | |
| 7 | 742 msg_advance(15); |
| 743 | |
| 5792 | 744 /* skip backslash used for escaping a command char or |
| 745 * a backslash */ | |
| 746 if (*p == '\\' && (*(p + 1) == *tagp.command | |
| 747 || *(p + 1) == '\\')) | |
| 7 | 748 ++p; |
| 749 | |
| 750 if (*p == TAB) | |
| 751 { | |
| 752 msg_putchar(' '); | |
| 753 ++p; | |
| 754 } | |
| 755 else | |
| 756 p = msg_outtrans_one(p, 0); | |
| 757 | |
| 758 /* don't display the "$/;\"" and "$?;\"" */ | |
| 759 if (p == command_end - 2 && *p == '$' | |
| 760 && *(p + 1) == *tagp.command) | |
| 761 break; | |
| 762 /* don't display matching '/' or '?' */ | |
| 763 if (p == command_end - 1 && *p == *tagp.command | |
| 764 && (*p == '/' || *p == '?')) | |
| 765 break; | |
| 766 } | |
| 767 if (msg_col) | |
| 768 msg_putchar('\n'); | |
| 769 ui_breakcheck(); | |
| 770 } | |
| 1826 | 771 if (got_int) |
| 772 got_int = FALSE; /* only stop the listing */ | |
| 7 | 773 ask_for_selection = TRUE; |
| 774 } | |
| 649 | 775 #if defined(FEAT_QUICKFIX) && defined(FEAT_EVAL) |
| 692 | 776 else if (type == DT_LTAG) |
| 649 | 777 { |
| 778 list_T *list; | |
| 779 char_u tag_name[128 + 1]; | |
| 2770 | 780 char_u *fname; |
| 781 char_u *cmd; | |
| 649 | 782 |
| 783 /* | |
| 784 * Add the matching tags to the location list for the current | |
| 785 * window. | |
| 786 */ | |
| 787 | |
| 2770 | 788 fname = alloc(MAXPATHL + 1); |
| 789 cmd = alloc(CMDBUFFSIZE + 1); | |
| 649 | 790 list = list_alloc(); |
| 2770 | 791 if (list == NULL || fname == NULL || cmd == NULL) |
| 792 { | |
| 793 vim_free(cmd); | |
| 794 vim_free(fname); | |
| 795 if (list != NULL) | |
| 796 list_free(list, TRUE); | |
| 649 | 797 goto end_do_tag; |
| 2770 | 798 } |
| 649 | 799 |
| 800 for (i = 0; i < num_matches; ++i) | |
| 801 { | |
| 802 int len, cmd_len; | |
| 803 long lnum; | |
| 804 dict_T *dict; | |
| 805 | |
| 806 parse_match(matches[i], &tagp); | |
| 807 | |
| 808 /* Save the tag name */ | |
| 835 | 809 len = (int)(tagp.tagname_end - tagp.tagname); |
| 649 | 810 if (len > 128) |
| 811 len = 128; | |
| 812 vim_strncpy(tag_name, tagp.tagname, len); | |
| 813 tag_name[len] = NUL; | |
| 814 | |
| 815 /* Save the tag file name */ | |
| 816 p = tag_full_fname(&tagp); | |
| 817 if (p == NULL) | |
| 818 continue; | |
| 2768 | 819 vim_strncpy(fname, p, MAXPATHL); |
| 649 | 820 vim_free(p); |
| 821 | |
| 822 /* | |
| 823 * Get the line number or the search pattern used to locate | |
| 824 * the tag. | |
| 825 */ | |
| 826 lnum = 0; | |
| 827 if (isdigit(*tagp.command)) | |
| 828 /* Line number is used to locate the tag */ | |
| 829 lnum = atol((char *)tagp.command); | |
| 830 else | |
| 831 { | |
| 832 char_u *cmd_start, *cmd_end; | |
| 833 | |
| 834 /* Search pattern is used to locate the tag */ | |
| 835 | |
| 836 /* Locate the end of the command */ | |
| 837 cmd_start = tagp.command; | |
| 838 cmd_end = tagp.command_end; | |
| 839 if (cmd_end == NULL) | |
| 840 { | |
| 841 for (p = tagp.command; | |
| 842 *p && *p != '\r' && *p != '\n'; ++p) | |
| 843 ; | |
| 844 cmd_end = p; | |
| 845 } | |
| 692 | 846 |
| 649 | 847 /* |
| 848 * Now, cmd_end points to the character after the | |
| 849 * command. Adjust it to point to the last | |
| 850 * character of the command. | |
| 851 */ | |
| 852 cmd_end--; | |
| 853 | |
| 854 /* | |
| 855 * Skip the '/' and '?' characters at the | |
| 856 * beginning and end of the search pattern. | |
| 857 */ | |
| 858 if (*cmd_start == '/' || *cmd_start == '?') | |
| 859 cmd_start++; | |
| 860 | |
| 861 if (*cmd_end == '/' || *cmd_end == '?') | |
| 862 cmd_end--; | |
| 863 | |
| 864 len = 0; | |
| 865 cmd[0] = NUL; | |
| 866 | |
| 867 /* | |
| 868 * If "^" is present in the tag search pattern, then | |
| 869 * copy it first. | |
| 870 */ | |
| 871 if (*cmd_start == '^') | |
| 872 { | |
| 873 STRCPY(cmd, "^"); | |
| 874 cmd_start++; | |
| 875 len++; | |
| 876 } | |
| 877 | |
| 878 /* | |
| 879 * Precede the tag pattern with \V to make it very | |
| 880 * nomagic. | |
| 881 */ | |
| 882 STRCAT(cmd, "\\V"); | |
| 883 len += 2; | |
| 884 | |
| 835 | 885 cmd_len = (int)(cmd_end - cmd_start + 1); |
| 649 | 886 if (cmd_len > (CMDBUFFSIZE - 5)) |
| 887 cmd_len = CMDBUFFSIZE - 5; | |
| 888 STRNCAT(cmd, cmd_start, cmd_len); | |
| 889 len += cmd_len; | |
| 890 | |
| 891 if (cmd[len - 1] == '$') | |
| 892 { | |
| 692 | 893 /* |
| 649 | 894 * Replace '$' at the end of the search pattern |
| 895 * with '\$' | |
| 896 */ | |
| 897 cmd[len - 1] = '\\'; | |
| 898 cmd[len] = '$'; | |
| 899 len++; | |
| 900 } | |
| 901 | |
| 902 cmd[len] = NUL; | |
| 903 } | |
| 904 | |
| 905 if ((dict = dict_alloc()) == NULL) | |
| 906 continue; | |
| 907 if (list_append_dict(list, dict) == FAIL) | |
| 908 { | |
| 909 vim_free(dict); | |
| 910 continue; | |
| 911 } | |
| 912 | |
| 913 dict_add_nr_str(dict, "text", 0L, tag_name); | |
| 914 dict_add_nr_str(dict, "filename", 0L, fname); | |
| 915 dict_add_nr_str(dict, "lnum", lnum, NULL); | |
| 916 if (lnum == 0) | |
| 917 dict_add_nr_str(dict, "pattern", 0L, cmd); | |
| 918 } | |
| 919 | |
| 2533 | 920 vim_snprintf((char *)IObuff, IOSIZE, "ltag %s", tag); |
|
2530
9fe4164cb586
Fix: :ltag command did not set w:quickfix_title. (Lech Lorens)
Bram Moolenaar <bram@vim.org>
parents:
2311
diff
changeset
|
921 set_errorlist(curwin, list, ' ', IObuff); |
| 649 | 922 |
| 1009 | 923 list_free(list, TRUE); |
| 2770 | 924 vim_free(fname); |
| 925 vim_free(cmd); | |
| 692 | 926 |
| 927 cur_match = 0; /* Jump to the first tag */ | |
| 649 | 928 } |
| 929 #endif | |
| 7 | 930 |
| 931 if (ask_for_selection == TRUE) | |
| 932 { | |
| 933 /* | |
| 934 * Ask to select a tag from the list. | |
| 935 */ | |
| 373 | 936 i = prompt_for_number(NULL); |
| 7 | 937 if (i <= 0 || i > num_matches || got_int) |
| 938 { | |
| 939 /* no valid choice: don't change anything */ | |
| 940 if (use_tagstack) | |
| 941 { | |
| 942 tagstack[tagstackidx].fmark = saved_fmark; | |
| 943 tagstackidx = prevtagstackidx; | |
| 944 } | |
| 945 #ifdef FEAT_CSCOPE | |
| 946 cs_free_tags(); | |
| 947 jumped_to_tag = TRUE; | |
| 948 #endif | |
| 949 break; | |
| 950 } | |
| 951 cur_match = i - 1; | |
| 952 } | |
| 953 | |
| 954 if (cur_match >= num_matches) | |
| 955 { | |
| 956 /* Avoid giving this error when a file wasn't found and we're | |
| 957 * looking for a match in another file, which wasn't found. | |
| 958 * There will be an EMSG("file doesn't exist") below then. */ | |
| 959 if ((type == DT_NEXT || type == DT_FIRST) | |
| 960 && nofile_fname == NULL) | |
| 961 { | |
| 962 if (num_matches == 1) | |
| 963 EMSG(_("E427: There is only one matching tag")); | |
| 964 else | |
| 965 EMSG(_("E428: Cannot go beyond last matching tag")); | |
| 966 skip_msg = TRUE; | |
| 967 } | |
| 968 cur_match = num_matches - 1; | |
| 969 } | |
| 970 if (use_tagstack) | |
| 971 { | |
| 972 tagstack[tagstackidx].cur_match = cur_match; | |
| 973 tagstack[tagstackidx].cur_fnum = cur_fnum; | |
| 974 ++tagstackidx; | |
| 975 } | |
| 976 #if defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX) | |
| 2713 | 977 else if (g_do_tagpreview != 0) |
| 7 | 978 { |
| 979 ptag_entry.cur_match = cur_match; | |
| 980 ptag_entry.cur_fnum = cur_fnum; | |
| 981 } | |
| 982 #endif | |
| 983 | |
| 984 /* | |
| 985 * Only when going to try the next match, report that the previous | |
| 986 * file didn't exist. Otherwise an EMSG() is given below. | |
| 987 */ | |
| 988 if (nofile_fname != NULL && error_cur_match != cur_match) | |
| 273 | 989 smsg((char_u *)_("File \"%s\" does not exist"), nofile_fname); |
| 7 | 990 |
| 991 | |
| 992 ic = (matches[cur_match][0] & MT_IC_OFF); | |
| 993 if (type != DT_SELECT && type != DT_JUMP | |
| 994 #ifdef FEAT_CSCOPE | |
| 995 && type != DT_CSCOPE | |
| 996 #endif | |
| 997 && (num_matches > 1 || ic) | |
| 998 && !skip_msg) | |
| 999 { | |
| 1000 /* Give an indication of the number of matching tags */ | |
| 1001 sprintf((char *)IObuff, _("tag %d of %d%s"), | |
| 1002 cur_match + 1, | |
| 1003 num_matches, | |
| 1004 max_num_matches != MAXCOL ? _(" or more") : ""); | |
| 1005 if (ic) | |
| 1006 STRCAT(IObuff, _(" Using tag with different case!")); | |
| 1007 if ((num_matches > prev_num_matches || new_tag) | |
| 1008 && num_matches > 1) | |
| 1009 { | |
| 1010 if (ic) | |
| 1011 msg_attr(IObuff, hl_attr(HLF_W)); | |
| 1012 else | |
| 1013 msg(IObuff); | |
| 1014 msg_scroll = TRUE; /* don't overwrite this message */ | |
| 1015 } | |
| 1016 else | |
| 1017 give_warning(IObuff, ic); | |
| 1018 if (ic && !msg_scrolled && msg_silent == 0) | |
| 1019 { | |
| 1020 out_flush(); | |
| 1021 ui_delay(1000L, TRUE); | |
| 1022 } | |
| 1023 } | |
| 1024 | |
| 589 | 1025 #ifdef FEAT_AUTOCMD |
| 1026 /* Let the SwapExists event know what tag we are jumping to. */ | |
| 1027 vim_snprintf((char *)IObuff, IOSIZE, ":ta %s\r", name); | |
| 1028 set_vim_var_string(VV_SWAPCOMMAND, IObuff, -1); | |
| 1029 #endif | |
| 1030 | |
| 7 | 1031 /* |
| 1032 * Jump to the desired match. | |
| 1033 */ | |
| 589 | 1034 i = jumpto_tag(matches[cur_match], forceit, type != DT_CSCOPE); |
| 1035 | |
| 1036 #ifdef FEAT_AUTOCMD | |
| 1037 set_vim_var_string(VV_SWAPCOMMAND, NULL, -1); | |
| 1038 #endif | |
| 1039 | |
| 1040 if (i == NOTAGFILE) | |
| 7 | 1041 { |
| 1042 /* File not found: try again with another matching tag */ | |
| 1043 if ((type == DT_PREV && cur_match > 0) | |
| 1044 || ((type == DT_TAG || type == DT_NEXT | |
| 1045 || type == DT_FIRST) | |
| 1046 && (max_num_matches != MAXCOL | |
| 1047 || cur_match < num_matches - 1))) | |
| 1048 { | |
| 1049 error_cur_match = cur_match; | |
| 1050 if (use_tagstack) | |
| 1051 --tagstackidx; | |
| 1052 if (type == DT_PREV) | |
| 1053 --cur_match; | |
| 1054 else | |
| 1055 { | |
| 1056 type = DT_NEXT; | |
| 1057 ++cur_match; | |
| 1058 } | |
| 1059 continue; | |
| 1060 } | |
| 1061 EMSG2(_("E429: File \"%s\" does not exist"), nofile_fname); | |
| 1062 } | |
| 1063 else | |
| 1064 { | |
| 1065 /* We may have jumped to another window, check that | |
| 1066 * tagstackidx is still valid. */ | |
| 1067 if (use_tagstack && tagstackidx > curwin->w_tagstacklen) | |
| 1068 tagstackidx = curwin->w_tagstackidx; | |
| 1069 #ifdef FEAT_CSCOPE | |
| 1070 jumped_to_tag = TRUE; | |
| 1071 #endif | |
| 1072 } | |
| 1073 } | |
| 1074 break; | |
| 1075 } | |
| 1076 | |
| 1077 end_do_tag: | |
| 1078 /* Only store the new index when using the tagstack and it's valid. */ | |
| 1079 if (use_tagstack && tagstackidx <= curwin->w_tagstacklen) | |
| 1080 curwin->w_tagstackidx = tagstackidx; | |
| 1081 #ifdef FEAT_WINDOWS | |
| 1082 postponed_split = 0; /* don't split next time */ | |
| 1083 #endif | |
| 1084 | |
| 1085 #ifdef FEAT_CSCOPE | |
| 1086 return jumped_to_tag; | |
| 1087 #else | |
| 1088 return FALSE; | |
| 1089 #endif | |
| 1090 } | |
| 1091 | |
| 1092 /* | |
| 1093 * Free cached tags. | |
| 1094 */ | |
| 1095 void | |
| 1096 tag_freematch() | |
| 1097 { | |
| 1098 vim_free(tagmatchname); | |
| 1099 tagmatchname = NULL; | |
| 1100 } | |
| 1101 | |
| 1102 static void | |
| 1103 taglen_advance(l) | |
| 1104 int l; | |
| 1105 { | |
| 1106 if (l == MAXCOL) | |
| 1107 { | |
| 1108 msg_putchar('\n'); | |
| 1109 msg_advance(24); | |
| 1110 } | |
| 1111 else | |
| 1112 msg_advance(13 + l); | |
| 1113 } | |
| 1114 | |
| 1115 /* | |
| 1116 * Print the tag stack | |
| 1117 */ | |
| 1118 void | |
| 1119 do_tags(eap) | |
| 1877 | 1120 exarg_T *eap UNUSED; |
| 7 | 1121 { |
| 1122 int i; | |
| 1123 char_u *name; | |
| 1124 taggy_T *tagstack = curwin->w_tagstack; | |
| 1125 int tagstackidx = curwin->w_tagstackidx; | |
| 1126 int tagstacklen = curwin->w_tagstacklen; | |
| 1127 | |
| 1128 /* Highlight title */ | |
| 1129 MSG_PUTS_TITLE(_("\n # TO tag FROM line in file/text")); | |
| 1130 for (i = 0; i < tagstacklen; ++i) | |
| 1131 { | |
| 1132 if (tagstack[i].tagname != NULL) | |
| 1133 { | |
| 1134 name = fm_getname(&(tagstack[i].fmark), 30); | |
| 1135 if (name == NULL) /* file name not available */ | |
| 1136 continue; | |
| 1137 | |
| 1138 msg_putchar('\n'); | |
| 1139 sprintf((char *)IObuff, "%c%2d %2d %-15s %5ld ", | |
| 1140 i == tagstackidx ? '>' : ' ', | |
| 1141 i + 1, | |
| 1142 tagstack[i].cur_match + 1, | |
| 1143 tagstack[i].tagname, | |
| 1144 tagstack[i].fmark.mark.lnum); | |
| 1145 msg_outtrans(IObuff); | |
| 1146 msg_outtrans_attr(name, tagstack[i].fmark.fnum == curbuf->b_fnum | |
| 1147 ? hl_attr(HLF_D) : 0); | |
| 1148 vim_free(name); | |
| 1149 } | |
| 1150 out_flush(); /* show one line at a time */ | |
| 1151 } | |
| 1152 if (tagstackidx == tagstacklen) /* idx at top of stack */ | |
| 1153 MSG_PUTS("\n>"); | |
| 1154 } | |
| 1155 | |
| 1156 /* When not using a CR for line separator, use vim_fgets() to read tag lines. | |
| 1157 * For the Mac use tag_fgets(). It can handle any line separator, but is much | |
| 1158 * slower than vim_fgets(). | |
| 1159 */ | |
| 1160 #ifndef USE_CR | |
| 1161 # define tag_fgets vim_fgets | |
| 1162 #endif | |
| 1163 | |
| 1164 #ifdef FEAT_TAG_BINS | |
| 1165 static int tag_strnicmp __ARGS((char_u *s1, char_u *s2, size_t len)); | |
| 1166 | |
| 1167 /* | |
| 1168 * Compare two strings, for length "len", ignoring case the ASCII way. | |
| 1169 * return 0 for match, < 0 for smaller, > 0 for bigger | |
| 1170 * Make sure case is folded to uppercase in comparison (like for 'sort -f') | |
| 1171 */ | |
| 1172 static int | |
| 1173 tag_strnicmp(s1, s2, len) | |
| 1174 char_u *s1; | |
| 1175 char_u *s2; | |
| 1176 size_t len; | |
| 1177 { | |
| 1178 int i; | |
| 1179 | |
| 1180 while (len > 0) | |
| 1181 { | |
| 1182 i = (int)TOUPPER_ASC(*s1) - (int)TOUPPER_ASC(*s2); | |
| 1183 if (i != 0) | |
| 1184 return i; /* this character different */ | |
| 1185 if (*s1 == NUL) | |
| 1186 break; /* strings match until NUL */ | |
| 1187 ++s1; | |
| 1188 ++s2; | |
| 1189 --len; | |
| 1190 } | |
| 1191 return 0; /* strings match */ | |
| 1192 } | |
| 1193 #endif | |
| 1194 | |
| 1195 /* | |
| 1196 * Structure to hold info about the tag pattern being used. | |
| 1197 */ | |
| 1198 typedef struct | |
| 1199 { | |
| 1200 char_u *pat; /* the pattern */ | |
| 1201 int len; /* length of pat[] */ | |
| 1202 char_u *head; /* start of pattern head */ | |
| 1203 int headlen; /* length of head[] */ | |
| 1204 regmatch_T regmatch; /* regexp program, may be NULL */ | |
| 1205 } pat_T; | |
| 1206 | |
| 1207 static void prepare_pats __ARGS((pat_T *pats, int has_re)); | |
| 1208 | |
| 1209 /* | |
| 1210 * Extract info from the tag search pattern "pats->pat". | |
| 1211 */ | |
| 1212 static void | |
| 1213 prepare_pats(pats, has_re) | |
| 1214 pat_T *pats; | |
| 1215 int has_re; | |
| 1216 { | |
| 1217 pats->head = pats->pat; | |
| 1218 pats->headlen = pats->len; | |
| 1219 if (has_re) | |
| 1220 { | |
| 1221 /* When the pattern starts with '^' or "\\<", binary searching can be | |
| 1222 * used (much faster). */ | |
| 1223 if (pats->pat[0] == '^') | |
| 1224 pats->head = pats->pat + 1; | |
| 1225 else if (pats->pat[0] == '\\' && pats->pat[1] == '<') | |
| 1226 pats->head = pats->pat + 2; | |
| 1227 if (pats->head == pats->pat) | |
| 1228 pats->headlen = 0; | |
| 1229 else | |
| 1230 for (pats->headlen = 0; pats->head[pats->headlen] != NUL; | |
| 1231 ++pats->headlen) | |
| 1232 if (vim_strchr((char_u *)(p_magic ? ".[~*\\$" : "\\$"), | |
| 1233 pats->head[pats->headlen]) != NULL) | |
| 1234 break; | |
| 1235 if (p_tl != 0 && pats->headlen > p_tl) /* adjust for 'taglength' */ | |
| 1236 pats->headlen = p_tl; | |
| 1237 } | |
| 1238 | |
| 1239 if (has_re) | |
| 1240 pats->regmatch.regprog = vim_regcomp(pats->pat, p_magic ? RE_MAGIC : 0); | |
| 1241 else | |
| 1242 pats->regmatch.regprog = NULL; | |
| 1243 } | |
| 1244 | |
| 1245 /* | |
| 1246 * find_tags() - search for tags in tags files | |
| 1247 * | |
| 1248 * Return FAIL if search completely failed (*num_matches will be 0, *matchesp | |
| 1249 * will be NULL), OK otherwise. | |
| 1250 * | |
| 1251 * There is a priority in which type of tag is recognized. | |
| 1252 * | |
| 1253 * 6. A static or global tag with a full matching tag for the current file. | |
| 1254 * 5. A global tag with a full matching tag for another file. | |
| 1255 * 4. A static tag with a full matching tag for another file. | |
| 1256 * 3. A static or global tag with an ignore-case matching tag for the | |
| 1257 * current file. | |
| 1258 * 2. A global tag with an ignore-case matching tag for another file. | |
| 1259 * 1. A static tag with an ignore-case matching tag for another file. | |
| 1260 * | |
| 1261 * Tags in an emacs-style tags file are always global. | |
| 1262 * | |
| 1263 * flags: | |
| 1264 * TAG_HELP only search for help tags | |
| 1265 * TAG_NAMES only return name of tag | |
| 1266 * TAG_REGEXP use "pat" as a regexp | |
| 1267 * TAG_NOIC don't always ignore case | |
| 1268 * TAG_KEEP_LANG keep language | |
| 1269 */ | |
| 1270 int | |
| 1271 find_tags(pat, num_matches, matchesp, flags, mincount, buf_ffname) | |
| 1272 char_u *pat; /* pattern to search for */ | |
| 1273 int *num_matches; /* return: number of matches found */ | |
| 1274 char_u ***matchesp; /* return: array of matches found */ | |
| 1275 int flags; | |
| 1276 int mincount; /* MAXCOL: find all matches | |
| 1277 other: minimal number of matches */ | |
| 1278 char_u *buf_ffname; /* name of buffer for priority */ | |
| 1279 { | |
| 1280 FILE *fp; | |
| 1281 char_u *lbuf; /* line buffer */ | |
| 3131 | 1282 int lbuf_size = LSIZE; /* length of lbuf */ |
| 7 | 1283 char_u *tag_fname; /* name of tag file */ |
| 692 | 1284 tagname_T tn; /* info for get_tagfname() */ |
| 7 | 1285 int first_file; /* trying first tag file */ |
| 1286 tagptrs_T tagp; | |
| 1287 int did_open = FALSE; /* did open a tag file */ | |
| 1288 int stop_searching = FALSE; /* stop when match found or error */ | |
| 1289 int retval = FAIL; /* return value */ | |
| 1290 int is_static; /* current tag line is static */ | |
| 1291 int is_current; /* file name matches */ | |
| 1292 int eof = FALSE; /* found end-of-file */ | |
| 1293 char_u *p; | |
| 1294 char_u *s; | |
| 1295 int i; | |
| 1296 #ifdef FEAT_TAG_BINS | |
| 3131 | 1297 int tag_file_sorted = NUL; /* !_TAG_FILE_SORTED value */ |
| 7 | 1298 struct tag_search_info /* Binary search file offsets */ |
| 1299 { | |
| 1300 off_t low_offset; /* offset for first char of first line that | |
| 1301 could match */ | |
| 1302 off_t high_offset; /* offset of char after last line that could | |
| 1303 match */ | |
| 1304 off_t curr_offset; /* Current file offset in search range */ | |
| 1305 off_t curr_offset_used; /* curr_offset used when skipping back */ | |
| 1306 off_t match_offset; /* Where the binary search found a tag */ | |
| 1307 int low_char; /* first char at low_offset */ | |
| 1308 int high_char; /* first char at high_offset */ | |
| 1309 } search_info; | |
| 1310 off_t filesize; | |
| 1311 int tagcmp; | |
| 1312 off_t offset; | |
| 1313 int round; | |
| 1314 #endif | |
| 1315 enum | |
| 1316 { | |
| 1317 TS_START, /* at start of file */ | |
| 1318 TS_LINEAR /* linear searching forward, till EOF */ | |
| 1319 #ifdef FEAT_TAG_BINS | |
| 1320 , TS_BINARY, /* binary searching */ | |
| 1321 TS_SKIP_BACK, /* skipping backwards */ | |
| 1322 TS_STEP_FORWARD /* stepping forwards */ | |
| 1323 #endif | |
| 1324 } state; /* Current search state */ | |
| 1325 | |
| 1326 int cmplen; | |
| 1327 int match; /* matches */ | |
| 1328 int match_no_ic = 0;/* matches with rm_ic == FALSE */ | |
| 1329 int match_re; /* match with regexp */ | |
| 1330 int matchoff = 0; | |
| 5513 | 1331 int save_emsg_off; |
| 7 | 1332 |
| 1333 #ifdef FEAT_EMACS_TAGS | |
| 1334 /* | |
| 1335 * Stack for included emacs-tags file. | |
| 1336 * It has a fixed size, to truncate cyclic includes. jw | |
| 1337 */ | |
| 1338 # define INCSTACK_SIZE 42 | |
| 1339 struct | |
| 1340 { | |
| 1341 FILE *fp; | |
| 1342 char_u *etag_fname; | |
| 1343 } incstack[INCSTACK_SIZE]; | |
| 1344 | |
| 1345 int incstack_idx = 0; /* index in incstack */ | |
| 1204 | 1346 char_u *ebuf; /* additional buffer for etag fname */ |
| 7 | 1347 int is_etag; /* current file is emaces style */ |
| 1348 #endif | |
| 1349 | |
| 1350 struct match_found | |
| 1351 { | |
| 1352 int len; /* nr of chars of match[] to be compared */ | |
| 1353 char_u match[1]; /* actually longer */ | |
| 1354 } *mfp, *mfp2; | |
| 1355 garray_T ga_match[MT_COUNT]; | |
| 1356 int match_count = 0; /* number of matches found */ | |
| 1357 char_u **matches; | |
| 1358 int mtt; | |
| 1359 int help_save; | |
| 1360 #ifdef FEAT_MULTI_LANG | |
| 1361 int help_pri = 0; | |
| 1362 char_u *help_lang_find = NULL; /* lang to be found */ | |
| 1363 char_u help_lang[3]; /* lang of current tags file */ | |
| 1364 char_u *saved_pat = NULL; /* copy of pat[] */ | |
| 1365 #endif | |
| 1366 | |
| 1367 pat_T orgpat; /* holds unconverted pattern info */ | |
| 1368 #ifdef FEAT_MBYTE | |
| 1369 vimconv_T vimconv; | |
| 1370 #endif | |
| 1371 | |
| 1372 #ifdef FEAT_TAG_BINS | |
| 1373 int findall = (mincount == MAXCOL || mincount == TAG_MANY); | |
| 1374 /* find all matching tags */ | |
| 1375 int sort_error = FALSE; /* tags file not sorted */ | |
| 1376 int linear; /* do a linear search */ | |
| 1377 int sortic = FALSE; /* tag file sorted in nocase */ | |
| 1378 #endif | |
| 1379 int line_error = FALSE; /* syntax error */ | |
| 1380 int has_re = (flags & TAG_REGEXP); /* regexp used */ | |
| 1381 int help_only = (flags & TAG_HELP); | |
| 1382 int name_only = (flags & TAG_NAMES); | |
| 1383 int noic = (flags & TAG_NOIC); | |
| 1384 int get_it_again = FALSE; | |
| 1385 #ifdef FEAT_CSCOPE | |
| 1386 int use_cscope = (flags & TAG_CSCOPE); | |
| 1387 #endif | |
| 1388 int verbose = (flags & TAG_VERBOSE); | |
| 1389 | |
| 1390 help_save = curbuf->b_help; | |
| 1391 orgpat.pat = pat; | |
| 1392 #ifdef FEAT_MBYTE | |
| 1393 vimconv.vc_type = CONV_NONE; | |
| 1394 #endif | |
| 1395 | |
| 1396 /* | |
| 1397 * Allocate memory for the buffers that are used | |
| 1398 */ | |
| 3131 | 1399 lbuf = alloc(lbuf_size); |
| 7 | 1400 tag_fname = alloc(MAXPATHL + 1); |
| 1401 #ifdef FEAT_EMACS_TAGS | |
| 1402 ebuf = alloc(LSIZE); | |
| 1403 #endif | |
| 1404 for (mtt = 0; mtt < MT_COUNT; ++mtt) | |
| 1405 ga_init2(&ga_match[mtt], (int)sizeof(struct match_found *), 100); | |
| 1406 | |
| 1407 /* check for out of memory situation */ | |
| 1408 if (lbuf == NULL || tag_fname == NULL | |
| 1409 #ifdef FEAT_EMACS_TAGS | |
| 1410 || ebuf == NULL | |
| 1411 #endif | |
| 1412 ) | |
| 1413 goto findtag_end; | |
| 1414 | |
| 1415 #ifdef FEAT_CSCOPE | |
| 1416 STRCPY(tag_fname, "from cscope"); /* for error messages */ | |
| 1417 #endif | |
| 1418 | |
| 1419 /* | |
| 1420 * Initialize a few variables | |
| 1421 */ | |
| 1422 if (help_only) /* want tags from help file */ | |
| 1423 curbuf->b_help = TRUE; /* will be restored later */ | |
| 1424 | |
| 3131 | 1425 orgpat.len = (int)STRLEN(pat); |
| 7 | 1426 #ifdef FEAT_MULTI_LANG |
| 1427 if (curbuf->b_help) | |
| 1428 { | |
| 1429 /* When "@ab" is specified use only the "ab" language, otherwise | |
| 1430 * search all languages. */ | |
| 3131 | 1431 if (orgpat.len > 3 && pat[orgpat.len - 3] == '@' |
| 1432 && ASCII_ISALPHA(pat[orgpat.len - 2]) | |
| 1433 && ASCII_ISALPHA(pat[orgpat.len - 1])) | |
| 7 | 1434 { |
| 3131 | 1435 saved_pat = vim_strnsave(pat, orgpat.len - 3); |
| 7 | 1436 if (saved_pat != NULL) |
| 1437 { | |
| 3131 | 1438 help_lang_find = &pat[orgpat.len - 2]; |
| 1439 orgpat.pat = saved_pat; | |
| 1440 orgpat.len -= 3; | |
| 7 | 1441 } |
| 1442 } | |
| 1443 } | |
| 1444 #endif | |
| 3131 | 1445 if (p_tl != 0 && orgpat.len > p_tl) /* adjust for 'taglength' */ |
| 1446 orgpat.len = p_tl; | |
| 1447 | |
| 5513 | 1448 save_emsg_off = emsg_off; |
| 1449 emsg_off = TRUE; /* don't want error for invalid RE here */ | |
| 3131 | 1450 prepare_pats(&orgpat, has_re); |
| 5513 | 1451 emsg_off = save_emsg_off; |
| 3784 | 1452 if (has_re && orgpat.regmatch.regprog == NULL) |
| 1453 goto findtag_end; | |
| 7 | 1454 |
| 1455 #ifdef FEAT_TAG_BINS | |
| 1456 /* This is only to avoid a compiler warning for using search_info | |
| 1457 * uninitialised. */ | |
| 1458 vim_memset(&search_info, 0, (size_t)1); | |
| 1459 #endif | |
| 1460 | |
| 413 | 1461 /* |
| 1462 * When finding a specified number of matches, first try with matching | |
| 1463 * case, so binary search can be used, and try ignore-case matches in a | |
| 1464 * second loop. | |
| 1465 * When finding all matches, 'tagbsearch' is off, or there is no fixed | |
| 1466 * string to look for, ignore case right away to avoid going though the | |
| 1467 * tags files twice. | |
| 1468 * When the tag file is case-fold sorted, it is either one or the other. | |
| 1469 * Only ignore case when TAG_NOIC not used or 'ignorecase' set. | |
| 1470 */ | |
| 7 | 1471 #ifdef FEAT_TAG_BINS |
| 3131 | 1472 orgpat.regmatch.rm_ic = ((p_ic || !noic) |
| 1473 && (findall || orgpat.headlen == 0 || !p_tbs)); | |
| 7 | 1474 for (round = 1; round <= 2; ++round) |
| 1475 { | |
| 3131 | 1476 linear = (orgpat.headlen == 0 || !p_tbs || round == 2); |
| 7 | 1477 #else |
| 3131 | 1478 orgpat.regmatch.rm_ic = (p_ic || !noic); |
| 7 | 1479 #endif |
| 1480 | |
| 1481 /* | |
| 1482 * Try tag file names from tags option one by one. | |
| 1483 */ | |
| 1484 for (first_file = TRUE; | |
| 1485 #ifdef FEAT_CSCOPE | |
| 1486 use_cscope || | |
| 1487 #endif | |
| 692 | 1488 get_tagfname(&tn, first_file, tag_fname) == OK; |
| 1489 first_file = FALSE) | |
| 7 | 1490 { |
| 1491 /* | |
| 1492 * A file that doesn't exist is silently ignored. Only when not a | |
| 1493 * single file is found, an error message is given (further on). | |
| 1494 */ | |
| 1495 #ifdef FEAT_CSCOPE | |
| 1496 if (use_cscope) | |
| 1497 fp = NULL; /* avoid GCC warning */ | |
| 1498 else | |
| 1499 #endif | |
| 1500 { | |
| 1501 #ifdef FEAT_MULTI_LANG | |
| 1502 if (curbuf->b_help) | |
| 1503 { | |
| 1504 /* Prefer help tags according to 'helplang'. Put the | |
| 1505 * two-letter language name in help_lang[]. */ | |
| 835 | 1506 i = (int)STRLEN(tag_fname); |
| 7 | 1507 if (i > 3 && tag_fname[i - 3] == '-') |
| 1508 STRCPY(help_lang, tag_fname + i - 2); | |
| 1509 else | |
| 1510 STRCPY(help_lang, "en"); | |
| 1511 | |
| 1512 /* When searching for a specific language skip tags files | |
| 1513 * for other languages. */ | |
| 1514 if (help_lang_find != NULL | |
| 1515 && STRICMP(help_lang, help_lang_find) != 0) | |
| 1516 continue; | |
| 1517 | |
| 1518 /* For CTRL-] in a help file prefer a match with the same | |
| 1519 * language. */ | |
| 1520 if ((flags & TAG_KEEP_LANG) | |
| 1521 && help_lang_find == NULL | |
| 1522 && curbuf->b_fname != NULL | |
| 835 | 1523 && (i = (int)STRLEN(curbuf->b_fname)) > 4 |
| 7 | 1524 && curbuf->b_fname[i - 1] == 'x' |
| 1525 && curbuf->b_fname[i - 4] == '.' | |
| 1526 && STRNICMP(curbuf->b_fname + i - 3, help_lang, 2) == 0) | |
| 1527 help_pri = 0; | |
| 1528 else | |
| 1529 { | |
| 1530 help_pri = 1; | |
| 1531 for (s = p_hlg; *s != NUL; ++s) | |
| 1532 { | |
| 1533 if (STRNICMP(s, help_lang, 2) == 0) | |
| 1534 break; | |
| 1535 ++help_pri; | |
| 1536 if ((s = vim_strchr(s, ',')) == NULL) | |
| 1537 break; | |
| 1538 } | |
| 1539 if (s == NULL || *s == NUL) | |
| 1540 { | |
| 1541 /* Language not in 'helplang': use last, prefer English, | |
| 1542 * unless found already. */ | |
| 1543 ++help_pri; | |
| 1544 if (STRICMP(help_lang, "en") != 0) | |
| 1545 ++help_pri; | |
| 1546 } | |
| 1547 } | |
| 1548 } | |
| 1549 #endif | |
| 1550 | |
| 1551 if ((fp = mch_fopen((char *)tag_fname, "r")) == NULL) | |
| 1552 continue; | |
| 1553 | |
| 1554 if (p_verbose >= 5) | |
| 292 | 1555 { |
| 1556 verbose_enter(); | |
| 273 | 1557 smsg((char_u *)_("Searching tags file %s"), tag_fname); |
| 292 | 1558 verbose_leave(); |
| 1559 } | |
| 7 | 1560 } |
| 1561 did_open = TRUE; /* remember that we found at least one file */ | |
| 1562 | |
| 1563 state = TS_START; /* we're at the start of the file */ | |
| 1564 #ifdef FEAT_EMACS_TAGS | |
| 1565 is_etag = 0; /* default is: not emacs style */ | |
| 1566 #endif | |
| 1567 | |
| 1568 /* | |
| 1569 * Read and parse the lines in the file one by one | |
| 1570 */ | |
| 1571 for (;;) | |
| 1572 { | |
| 1573 line_breakcheck(); /* check for CTRL-C typed */ | |
| 1574 #ifdef FEAT_INS_EXPAND | |
| 1575 if ((flags & TAG_INS_COMP)) /* Double brackets for gcc */ | |
| 464 | 1576 ins_compl_check_keys(30); |
| 449 | 1577 if (got_int || compl_interrupted) |
| 7 | 1578 #else |
| 1579 if (got_int) | |
| 1580 #endif | |
| 1581 { | |
| 1582 stop_searching = TRUE; | |
| 1583 break; | |
| 1584 } | |
| 1585 /* When mincount is TAG_MANY, stop when enough matches have been | |
| 1586 * found (for completion). */ | |
| 1587 if (mincount == TAG_MANY && match_count >= TAG_MANY) | |
| 1588 { | |
| 1589 stop_searching = TRUE; | |
| 1590 retval = OK; | |
| 1591 break; | |
| 1592 } | |
| 1593 if (get_it_again) | |
| 1594 goto line_read_in; | |
| 1595 #ifdef FEAT_TAG_BINS | |
| 1596 /* | |
| 1597 * For binary search: compute the next offset to use. | |
| 1598 */ | |
| 1599 if (state == TS_BINARY) | |
| 1600 { | |
| 1601 offset = search_info.low_offset + ((search_info.high_offset | |
| 1602 - search_info.low_offset) / 2); | |
| 1603 if (offset == search_info.curr_offset) | |
| 1604 break; /* End the binary search without a match. */ | |
| 1605 else | |
| 1606 search_info.curr_offset = offset; | |
| 1607 } | |
| 1608 | |
| 1609 /* | |
| 1610 * Skipping back (after a match during binary search). | |
| 1611 */ | |
| 1612 else if (state == TS_SKIP_BACK) | |
| 1613 { | |
| 1614 search_info.curr_offset -= LSIZE * 2; | |
| 1615 if (search_info.curr_offset < 0) | |
| 1616 { | |
| 1617 search_info.curr_offset = 0; | |
| 1618 rewind(fp); | |
| 1619 state = TS_STEP_FORWARD; | |
| 1620 } | |
| 1621 } | |
| 1622 | |
| 1623 /* | |
| 1624 * When jumping around in the file, first read a line to find the | |
| 1625 * start of the next line. | |
| 1626 */ | |
| 1627 if (state == TS_BINARY || state == TS_SKIP_BACK) | |
| 1628 { | |
| 1629 /* Adjust the search file offset to the correct position */ | |
| 1630 search_info.curr_offset_used = search_info.curr_offset; | |
| 1631 #ifdef HAVE_FSEEKO | |
| 1632 fseeko(fp, search_info.curr_offset, SEEK_SET); | |
| 1633 #else | |
| 1634 fseek(fp, (long)search_info.curr_offset, SEEK_SET); | |
| 1635 #endif | |
| 1636 eof = tag_fgets(lbuf, LSIZE, fp); | |
| 1637 if (!eof && search_info.curr_offset != 0) | |
| 1638 { | |
| 1146 | 1639 /* The explicit cast is to work around a bug in gcc 3.4.2 |
| 1640 * (repeated below). */ | |
| 7 | 1641 search_info.curr_offset = ftell(fp); |
| 1642 if (search_info.curr_offset == search_info.high_offset) | |
| 1643 { | |
| 1644 /* oops, gone a bit too far; try from low offset */ | |
| 1645 #ifdef HAVE_FSEEKO | |
| 1646 fseeko(fp, search_info.low_offset, SEEK_SET); | |
| 1647 #else | |
| 1648 fseek(fp, (long)search_info.low_offset, SEEK_SET); | |
| 1649 #endif | |
| 1650 search_info.curr_offset = search_info.low_offset; | |
| 1651 } | |
| 1652 eof = tag_fgets(lbuf, LSIZE, fp); | |
| 1653 } | |
| 1654 /* skip empty and blank lines */ | |
| 1655 while (!eof && vim_isblankline(lbuf)) | |
| 1656 { | |
| 1657 search_info.curr_offset = ftell(fp); | |
| 1658 eof = tag_fgets(lbuf, LSIZE, fp); | |
| 1659 } | |
| 1660 if (eof) | |
| 1661 { | |
| 1662 /* Hit end of file. Skip backwards. */ | |
| 1663 state = TS_SKIP_BACK; | |
| 1664 search_info.match_offset = ftell(fp); | |
| 1665 search_info.curr_offset = search_info.curr_offset_used; | |
| 1666 continue; | |
| 1667 } | |
| 1668 } | |
| 1669 | |
| 1670 /* | |
| 1671 * Not jumping around in the file: Read the next line. | |
| 1672 */ | |
| 1673 else | |
| 1674 #endif | |
| 1675 { | |
| 1676 /* skip empty and blank lines */ | |
| 1677 do | |
| 1678 { | |
| 1679 #ifdef FEAT_CSCOPE | |
| 1680 if (use_cscope) | |
| 1681 eof = cs_fgets(lbuf, LSIZE); | |
| 1682 else | |
| 1683 #endif | |
| 1684 eof = tag_fgets(lbuf, LSIZE, fp); | |
| 1685 } while (!eof && vim_isblankline(lbuf)); | |
| 1686 | |
| 1687 if (eof) | |
| 1688 { | |
| 1689 #ifdef FEAT_EMACS_TAGS | |
| 1690 if (incstack_idx) /* this was an included file */ | |
| 1691 { | |
| 1692 --incstack_idx; | |
| 1693 fclose(fp); /* end of this file ... */ | |
| 1694 fp = incstack[incstack_idx].fp; | |
| 1695 STRCPY(tag_fname, incstack[incstack_idx].etag_fname); | |
| 1696 vim_free(incstack[incstack_idx].etag_fname); | |
| 1697 is_etag = 1; /* (only etags can include) */ | |
| 1698 continue; /* ... continue with parent file */ | |
| 1699 } | |
| 1700 else | |
| 1701 #endif | |
| 1702 break; /* end of file */ | |
| 1703 } | |
| 1704 } | |
| 1705 line_read_in: | |
| 1706 | |
| 3131 | 1707 #ifdef FEAT_MBYTE |
| 1708 if (vimconv.vc_type != CONV_NONE) | |
| 1709 { | |
| 1710 char_u *conv_line; | |
| 1711 int len; | |
| 1712 | |
| 1713 /* Convert every line. Converting the pattern from 'enc' to | |
| 1714 * the tags file encoding doesn't work, because characters are | |
| 1715 * not recognized. */ | |
| 1716 conv_line = string_convert(&vimconv, lbuf, NULL); | |
| 1717 if (conv_line != NULL) | |
| 1718 { | |
| 1719 /* Copy or swap lbuf and conv_line. */ | |
| 1720 len = (int)STRLEN(conv_line) + 1; | |
| 1721 if (len > lbuf_size) | |
| 1722 { | |
| 1723 vim_free(lbuf); | |
| 1724 lbuf = conv_line; | |
| 1725 lbuf_size = len; | |
| 1726 } | |
| 1727 else | |
| 1728 { | |
| 1729 STRCPY(lbuf, conv_line); | |
| 1730 vim_free(conv_line); | |
| 1731 } | |
| 1732 } | |
| 1733 } | |
| 1734 #endif | |
| 1735 | |
| 1736 | |
| 7 | 1737 #ifdef FEAT_EMACS_TAGS |
| 1738 /* | |
| 1739 * Emacs tags line with CTRL-L: New file name on next line. | |
| 1740 * The file name is followed by a ','. | |
| 1741 */ | |
| 1742 if (*lbuf == Ctrl_L) /* remember etag file name in ebuf */ | |
| 1743 { | |
| 1744 is_etag = 1; /* in case at the start */ | |
| 1745 state = TS_LINEAR; | |
| 1746 if (!tag_fgets(ebuf, LSIZE, fp)) | |
| 1747 { | |
| 1748 for (p = ebuf; *p && *p != ','; p++) | |
| 1749 ; | |
| 1750 *p = NUL; | |
| 1751 | |
| 1752 /* | |
| 1753 * atoi(p+1) is the number of bytes before the next ^L | |
| 1754 * unless it is an include statement. | |
| 1755 */ | |
| 1756 if (STRNCMP(p + 1, "include", 7) == 0 | |
| 1757 && incstack_idx < INCSTACK_SIZE) | |
| 1758 { | |
| 1759 /* Save current "fp" and "tag_fname" in the stack. */ | |
| 1760 if ((incstack[incstack_idx].etag_fname = | |
| 1761 vim_strsave(tag_fname)) != NULL) | |
| 1762 { | |
| 1763 char_u *fullpath_ebuf; | |
| 1764 | |
| 1765 incstack[incstack_idx].fp = fp; | |
| 1766 fp = NULL; | |
| 1767 | |
| 1768 /* Figure out "tag_fname" and "fp" to use for | |
| 1769 * included file. */ | |
| 1770 fullpath_ebuf = expand_tag_fname(ebuf, | |
| 1771 tag_fname, FALSE); | |
| 1772 if (fullpath_ebuf != NULL) | |
| 1773 { | |
| 1774 fp = mch_fopen((char *)fullpath_ebuf, "r"); | |
| 1775 if (fp != NULL) | |
| 1776 { | |
| 1777 if (STRLEN(fullpath_ebuf) > LSIZE) | |
| 1778 EMSG2(_("E430: Tag file path truncated for %s\n"), ebuf); | |
| 418 | 1779 vim_strncpy(tag_fname, fullpath_ebuf, |
| 1780 MAXPATHL); | |
| 7 | 1781 ++incstack_idx; |
| 1782 is_etag = 0; /* we can include anything */ | |
| 1783 } | |
| 1784 vim_free(fullpath_ebuf); | |
| 1785 } | |
| 1786 if (fp == NULL) | |
| 1787 { | |
| 1788 /* Can't open the included file, skip it and | |
| 1789 * restore old value of "fp". */ | |
| 1790 fp = incstack[incstack_idx].fp; | |
| 1791 vim_free(incstack[incstack_idx].etag_fname); | |
| 1792 } | |
| 1793 } | |
| 1794 } | |
| 1795 } | |
| 1796 continue; | |
| 1797 } | |
| 1798 #endif | |
| 1799 | |
| 1800 /* | |
| 1801 * When still at the start of the file, check for Emacs tags file | |
| 1802 * format, and for "not sorted" flag. | |
| 1803 */ | |
| 1804 if (state == TS_START) | |
| 1805 { | |
| 5328 | 1806 /* The header ends when the line sorts below "!_TAG_". When |
| 1807 * case is folded lower case letters sort before "_". */ | |
|
4914
1707ddb6f5ae
updated for version 7.3.1202
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
1808 if (STRNCMP(lbuf, "!_TAG_", 6) <= 0 |
|
1707ddb6f5ae
updated for version 7.3.1202
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
1809 || (lbuf[0] == '!' && ASCII_ISLOWER(lbuf[1]))) |
| 3131 | 1810 { |
| 5328 | 1811 if (STRNCMP(lbuf, "!_TAG_", 6) != 0) |
| 1812 /* Non-header item before the header, e.g. "!" itself. | |
| 1813 */ | |
| 1814 goto parse_line; | |
| 1815 | |
| 3131 | 1816 /* |
| 1817 * Read header line. | |
| 1818 */ | |
| 1819 #ifdef FEAT_TAG_BINS | |
| 1820 if (STRNCMP(lbuf, "!_TAG_FILE_SORTED\t", 18) == 0) | |
| 1821 tag_file_sorted = lbuf[18]; | |
| 1822 #endif | |
| 1823 #ifdef FEAT_MBYTE | |
| 1824 if (STRNCMP(lbuf, "!_TAG_FILE_ENCODING\t", 20) == 0) | |
| 1825 { | |
| 1826 /* Prepare to convert every line from the specified | |
| 1827 * encoding to 'encoding'. */ | |
| 1828 for (p = lbuf + 20; *p > ' ' && *p < 127; ++p) | |
| 1829 ; | |
| 1830 *p = NUL; | |
| 1831 convert_setup(&vimconv, lbuf + 20, p_enc); | |
| 1832 } | |
| 1833 #endif | |
| 1834 | |
| 1835 /* Read the next line. Unrecognized flags are ignored. */ | |
| 1836 continue; | |
| 1837 } | |
| 1838 | |
| 1839 /* Headers ends. */ | |
| 1840 | |
| 7 | 1841 #ifdef FEAT_TAG_BINS |
| 1842 /* | |
| 1843 * When there is no tag head, or ignoring case, need to do a | |
| 1844 * linear search. | |
| 1845 * When no "!_TAG_" is found, default to binary search. If | |
| 1846 * the tag file isn't sorted, the second loop will find it. | |
| 1847 * When "!_TAG_FILE_SORTED" found: start binary search if | |
| 1848 * flag set. | |
| 1849 * For cscope, it's always linear. | |
| 1850 */ | |
| 1851 # ifdef FEAT_CSCOPE | |
| 1852 if (linear || use_cscope) | |
| 1853 # else | |
| 1854 if (linear) | |
| 1855 # endif | |
| 1856 state = TS_LINEAR; | |
| 3131 | 1857 else if (tag_file_sorted == NUL) |
| 7 | 1858 state = TS_BINARY; |
| 3131 | 1859 else if (tag_file_sorted == '1') |
| 7 | 1860 state = TS_BINARY; |
| 3131 | 1861 else if (tag_file_sorted == '2') |
| 1862 { | |
| 1863 state = TS_BINARY; | |
| 1864 sortic = TRUE; | |
| 1865 orgpat.regmatch.rm_ic = (p_ic || !noic); | |
| 7 | 1866 } |
| 3131 | 1867 else |
| 1868 state = TS_LINEAR; | |
| 1869 | |
| 1870 if (state == TS_BINARY && orgpat.regmatch.rm_ic && !sortic) | |
| 7 | 1871 { |
| 3206 | 1872 /* Binary search won't work for ignoring case, use linear |
| 7 | 1873 * search. */ |
| 1874 linear = TRUE; | |
| 1875 state = TS_LINEAR; | |
| 1876 } | |
| 1877 #else | |
| 1878 state = TS_LINEAR; | |
| 1879 #endif | |
| 1880 | |
| 1881 #ifdef FEAT_TAG_BINS | |
| 1882 /* | |
| 1883 * When starting a binary search, get the size of the file and | |
| 1884 * compute the first offset. | |
| 1885 */ | |
| 1886 if (state == TS_BINARY) | |
| 1887 { | |
| 1888 /* Get the tag file size (don't use mch_fstat(), it's not | |
| 1889 * portable). */ | |
| 1890 if ((filesize = lseek(fileno(fp), | |
| 1891 (off_t)0L, SEEK_END)) <= 0) | |
| 1892 state = TS_LINEAR; | |
| 1893 else | |
| 1894 { | |
| 1895 lseek(fileno(fp), (off_t)0L, SEEK_SET); | |
| 1896 | |
| 1897 /* Calculate the first read offset in the file. Start | |
| 1898 * the search in the middle of the file. */ | |
| 1899 search_info.low_offset = 0; | |
| 1900 search_info.low_char = 0; | |
| 1901 search_info.high_offset = filesize; | |
| 1902 search_info.curr_offset = 0; | |
| 1903 search_info.high_char = 0xff; | |
| 1904 } | |
| 1905 continue; | |
| 1906 } | |
| 1907 #endif | |
| 1908 } | |
| 1909 | |
| 5328 | 1910 parse_line: |
| 7 | 1911 /* |
| 1912 * Figure out where the different strings are in this line. | |
| 1913 * For "normal" tags: Do a quick check if the tag matches. | |
| 1914 * This speeds up tag searching a lot! | |
| 1915 */ | |
| 3131 | 1916 if (orgpat.headlen |
| 7 | 1917 #ifdef FEAT_EMACS_TAGS |
| 1918 && !is_etag | |
| 1919 #endif | |
| 1920 ) | |
| 1921 { | |
| 1922 tagp.tagname = lbuf; | |
| 1923 #ifdef FEAT_TAG_ANYWHITE | |
| 1924 tagp.tagname_end = skiptowhite(lbuf); | |
| 3192 | 1925 if (*tagp.tagname_end == NUL) |
| 7 | 1926 #else |
| 1927 tagp.tagname_end = vim_strchr(lbuf, TAB); | |
| 3192 | 1928 if (tagp.tagname_end == NULL) |
| 7 | 1929 #endif |
| 1930 { | |
| 3192 | 1931 if (vim_strchr(lbuf, NL) == NULL) |
| 1932 { | |
| 1933 /* Truncated line, ignore it. Has been reported for | |
| 1934 * Mozilla JS with extremely long names. */ | |
| 1935 if (p_verbose >= 5) | |
| 1936 { | |
| 1937 verbose_enter(); | |
| 1938 MSG(_("Ignoring long line in tags file")); | |
| 1939 verbose_leave(); | |
| 1940 } | |
| 3206 | 1941 #ifdef FEAT_TAG_BINS |
| 1942 if (state != TS_LINEAR) | |
| 1943 { | |
| 1944 /* Avoid getting stuck. */ | |
| 1945 linear = TRUE; | |
| 1946 state = TS_LINEAR; | |
| 1947 # ifdef HAVE_FSEEKO | |
| 1948 fseeko(fp, search_info.low_offset, SEEK_SET); | |
| 1949 # else | |
| 1950 fseek(fp, (long)search_info.low_offset, SEEK_SET); | |
| 1951 # endif | |
| 1952 } | |
| 1953 #endif | |
| 3192 | 1954 continue; |
| 1955 } | |
| 1956 | |
| 1957 /* Corrupted tag line. */ | |
| 7 | 1958 line_error = TRUE; |
| 1959 break; | |
| 1960 } | |
| 1961 | |
| 1962 #ifdef FEAT_TAG_OLDSTATIC | |
| 1963 /* | |
| 1964 * Check for old style static tag: "file:tag file .." | |
| 1965 */ | |
| 1966 tagp.fname = NULL; | |
| 1967 for (p = lbuf; p < tagp.tagname_end; ++p) | |
| 1968 { | |
| 1969 if (*p == ':') | |
| 1970 { | |
| 1971 if (tagp.fname == NULL) | |
| 1972 #ifdef FEAT_TAG_ANYWHITE | |
| 1973 tagp.fname = skipwhite(tagp.tagname_end); | |
| 1974 #else | |
| 1975 tagp.fname = tagp.tagname_end + 1; | |
| 1976 #endif | |
| 1977 if ( fnamencmp(lbuf, tagp.fname, p - lbuf) == 0 | |
| 1978 #ifdef FEAT_TAG_ANYWHITE | |
| 1979 && vim_iswhite(tagp.fname[p - lbuf]) | |
| 1980 #else | |
| 1981 && tagp.fname[p - lbuf] == TAB | |
| 1982 #endif | |
| 1983 ) | |
| 1984 { | |
| 1985 /* found one */ | |
| 1986 tagp.tagname = p + 1; | |
| 1987 break; | |
| 1988 } | |
| 1989 } | |
| 1990 } | |
| 1991 #endif | |
| 1992 | |
| 1993 /* | |
| 1994 * Skip this line if the length of the tag is different and | |
| 1995 * there is no regexp, or the tag is too short. | |
| 1996 */ | |
| 1997 cmplen = (int)(tagp.tagname_end - tagp.tagname); | |
| 1998 if (p_tl != 0 && cmplen > p_tl) /* adjust for 'taglength' */ | |
| 1999 cmplen = p_tl; | |
| 3131 | 2000 if (has_re && orgpat.headlen < cmplen) |
| 2001 cmplen = orgpat.headlen; | |
| 2002 else if (state == TS_LINEAR && orgpat.headlen != cmplen) | |
| 7 | 2003 continue; |
| 2004 | |
| 2005 #ifdef FEAT_TAG_BINS | |
| 2006 if (state == TS_BINARY) | |
| 2007 { | |
| 2008 /* | |
| 2009 * Simplistic check for unsorted tags file. | |
| 2010 */ | |
| 2011 i = (int)tagp.tagname[0]; | |
| 2012 if (sortic) | |
| 2013 i = (int)TOUPPER_ASC(tagp.tagname[0]); | |
| 2014 if (i < search_info.low_char || i > search_info.high_char) | |
| 2015 sort_error = TRUE; | |
| 2016 | |
| 2017 /* | |
| 2018 * Compare the current tag with the searched tag. | |
| 2019 */ | |
| 2020 if (sortic) | |
| 3131 | 2021 tagcmp = tag_strnicmp(tagp.tagname, orgpat.head, |
| 7 | 2022 (size_t)cmplen); |
| 2023 else | |
| 3131 | 2024 tagcmp = STRNCMP(tagp.tagname, orgpat.head, cmplen); |
| 7 | 2025 |
| 2026 /* | |
| 2027 * A match with a shorter tag means to search forward. | |
| 2028 * A match with a longer tag means to search backward. | |
| 2029 */ | |
| 2030 if (tagcmp == 0) | |
| 2031 { | |
| 3131 | 2032 if (cmplen < orgpat.headlen) |
| 7 | 2033 tagcmp = -1; |
| 3131 | 2034 else if (cmplen > orgpat.headlen) |
| 7 | 2035 tagcmp = 1; |
| 2036 } | |
| 2037 | |
| 2038 if (tagcmp == 0) | |
| 2039 { | |
| 2040 /* We've located the tag, now skip back and search | |
| 2041 * forward until the first matching tag is found. | |
| 2042 */ | |
| 2043 state = TS_SKIP_BACK; | |
| 2044 search_info.match_offset = search_info.curr_offset; | |
| 2045 continue; | |
| 2046 } | |
| 2047 if (tagcmp < 0) | |
| 2048 { | |
| 2049 search_info.curr_offset = ftell(fp); | |
| 2050 if (search_info.curr_offset < search_info.high_offset) | |
| 2051 { | |
| 2052 search_info.low_offset = search_info.curr_offset; | |
| 2053 if (sortic) | |
| 2054 search_info.low_char = | |
| 2055 TOUPPER_ASC(tagp.tagname[0]); | |
| 2056 else | |
| 2057 search_info.low_char = tagp.tagname[0]; | |
| 2058 continue; | |
| 2059 } | |
| 2060 } | |
| 2061 if (tagcmp > 0 | |
| 2062 && search_info.curr_offset != search_info.high_offset) | |
| 2063 { | |
| 2064 search_info.high_offset = search_info.curr_offset; | |
| 2065 if (sortic) | |
| 2066 search_info.high_char = | |
| 2067 TOUPPER_ASC(tagp.tagname[0]); | |
| 2068 else | |
| 2069 search_info.high_char = tagp.tagname[0]; | |
| 2070 continue; | |
| 2071 } | |
| 2072 | |
| 2073 /* No match yet and are at the end of the binary search. */ | |
| 2074 break; | |
| 2075 } | |
| 2076 else if (state == TS_SKIP_BACK) | |
| 2077 { | |
| 3131 | 2078 if (MB_STRNICMP(tagp.tagname, orgpat.head, cmplen) != 0) |
| 7 | 2079 state = TS_STEP_FORWARD; |
| 2080 else | |
| 2081 /* Have to skip back more. Restore the curr_offset | |
| 2082 * used, otherwise we get stuck at a long line. */ | |
| 2083 search_info.curr_offset = search_info.curr_offset_used; | |
| 2084 continue; | |
| 2085 } | |
| 2086 else if (state == TS_STEP_FORWARD) | |
| 2087 { | |
| 3131 | 2088 if (MB_STRNICMP(tagp.tagname, orgpat.head, cmplen) != 0) |
| 7 | 2089 { |
| 2090 if ((off_t)ftell(fp) > search_info.match_offset) | |
| 2091 break; /* past last match */ | |
| 2092 else | |
| 2093 continue; /* before first match */ | |
| 2094 } | |
| 2095 } | |
| 2096 else | |
| 2097 #endif | |
| 2098 /* skip this match if it can't match */ | |
| 3131 | 2099 if (MB_STRNICMP(tagp.tagname, orgpat.head, cmplen) != 0) |
| 7 | 2100 continue; |
| 2101 | |
| 2102 /* | |
| 2103 * Can be a matching tag, isolate the file name and command. | |
| 2104 */ | |
| 2105 #ifdef FEAT_TAG_OLDSTATIC | |
| 2106 if (tagp.fname == NULL) | |
| 2107 #endif | |
| 2108 #ifdef FEAT_TAG_ANYWHITE | |
| 2109 tagp.fname = skipwhite(tagp.tagname_end); | |
| 2110 #else | |
| 2111 tagp.fname = tagp.tagname_end + 1; | |
| 2112 #endif | |
| 2113 #ifdef FEAT_TAG_ANYWHITE | |
| 2114 tagp.fname_end = skiptowhite(tagp.fname); | |
| 2115 tagp.command = skipwhite(tagp.fname_end); | |
| 2116 if (*tagp.command == NUL) | |
| 2117 #else | |
| 2118 tagp.fname_end = vim_strchr(tagp.fname, TAB); | |
| 2119 tagp.command = tagp.fname_end + 1; | |
| 2120 if (tagp.fname_end == NULL) | |
| 2121 #endif | |
| 2122 i = FAIL; | |
| 2123 else | |
| 2124 i = OK; | |
| 2125 } | |
| 2126 else | |
| 2127 i = parse_tag_line(lbuf, | |
| 2128 #ifdef FEAT_EMACS_TAGS | |
| 2129 is_etag, | |
| 2130 #endif | |
| 2131 &tagp); | |
| 2132 if (i == FAIL) | |
| 2133 { | |
| 2134 line_error = TRUE; | |
| 2135 break; | |
| 2136 } | |
| 2137 | |
| 2138 #ifdef FEAT_EMACS_TAGS | |
| 2139 if (is_etag) | |
| 2140 tagp.fname = ebuf; | |
| 2141 #endif | |
| 2142 /* | |
| 2143 * First try matching with the pattern literally (also when it is | |
| 2144 * a regexp). | |
| 2145 */ | |
| 2146 cmplen = (int)(tagp.tagname_end - tagp.tagname); | |
| 2147 if (p_tl != 0 && cmplen > p_tl) /* adjust for 'taglength' */ | |
| 2148 cmplen = p_tl; | |
| 2149 /* if tag length does not match, don't try comparing */ | |
| 3131 | 2150 if (orgpat.len != cmplen) |
| 7 | 2151 match = FALSE; |
| 2152 else | |
| 2153 { | |
| 3131 | 2154 if (orgpat.regmatch.rm_ic) |
| 7 | 2155 { |
| 3131 | 2156 match = (MB_STRNICMP(tagp.tagname, orgpat.pat, cmplen) == 0); |
| 7 | 2157 if (match) |
| 3131 | 2158 match_no_ic = (STRNCMP(tagp.tagname, orgpat.pat, |
| 7 | 2159 cmplen) == 0); |
| 2160 } | |
| 2161 else | |
| 3131 | 2162 match = (STRNCMP(tagp.tagname, orgpat.pat, cmplen) == 0); |
| 7 | 2163 } |
| 2164 | |
| 2165 /* | |
| 2166 * Has a regexp: Also find tags matching regexp. | |
| 2167 */ | |
| 2168 match_re = FALSE; | |
| 3131 | 2169 if (!match && orgpat.regmatch.regprog != NULL) |
| 7 | 2170 { |
| 2171 int cc; | |
| 2172 | |
| 2173 cc = *tagp.tagname_end; | |
| 2174 *tagp.tagname_end = NUL; | |
| 3131 | 2175 match = vim_regexec(&orgpat.regmatch, tagp.tagname, (colnr_T)0); |
| 7 | 2176 if (match) |
| 2177 { | |
| 3131 | 2178 matchoff = (int)(orgpat.regmatch.startp[0] - tagp.tagname); |
| 2179 if (orgpat.regmatch.rm_ic) | |
| 7 | 2180 { |
| 3131 | 2181 orgpat.regmatch.rm_ic = FALSE; |
| 2182 match_no_ic = vim_regexec(&orgpat.regmatch, tagp.tagname, | |
| 7 | 2183 (colnr_T)0); |
| 3131 | 2184 orgpat.regmatch.rm_ic = TRUE; |
| 7 | 2185 } |
| 2186 } | |
| 2187 *tagp.tagname_end = cc; | |
| 2188 match_re = TRUE; | |
| 2189 } | |
| 2190 | |
| 2191 /* | |
| 2192 * If a match is found, add it to ga_match[]. | |
| 2193 */ | |
| 2194 if (match) | |
| 2195 { | |
| 2196 #ifdef FEAT_CSCOPE | |
| 2197 if (use_cscope) | |
| 2198 { | |
| 2199 /* Don't change the ordering, always use the same table. */ | |
| 2200 mtt = MT_GL_OTH; | |
| 2201 } | |
| 2202 else | |
| 2203 #endif | |
| 2204 { | |
| 2205 /* Decide in which array to store this match. */ | |
| 2206 is_current = test_for_current( | |
| 2207 #ifdef FEAT_EMACS_TAGS | |
| 2208 is_etag, | |
| 2209 #endif | |
| 2210 tagp.fname, tagp.fname_end, tag_fname, | |
| 2211 buf_ffname); | |
| 2212 #ifdef FEAT_EMACS_TAGS | |
| 2213 is_static = FALSE; | |
| 2214 if (!is_etag) /* emacs tags are never static */ | |
| 2215 #endif | |
| 2216 { | |
| 2217 #ifdef FEAT_TAG_OLDSTATIC | |
| 2218 if (tagp.tagname != lbuf) | |
| 2219 is_static = TRUE; /* detected static tag before */ | |
| 2220 else | |
| 2221 #endif | |
| 2222 is_static = test_for_static(&tagp); | |
| 2223 } | |
| 2224 | |
| 2225 /* decide in which of the sixteen tables to store this | |
| 2226 * match */ | |
| 2227 if (is_static) | |
| 2228 { | |
| 2229 if (is_current) | |
| 2230 mtt = MT_ST_CUR; | |
| 2231 else | |
| 2232 mtt = MT_ST_OTH; | |
| 2233 } | |
| 2234 else | |
| 2235 { | |
| 2236 if (is_current) | |
| 2237 mtt = MT_GL_CUR; | |
| 2238 else | |
| 2239 mtt = MT_GL_OTH; | |
| 2240 } | |
| 3131 | 2241 if (orgpat.regmatch.rm_ic && !match_no_ic) |
| 7 | 2242 mtt += MT_IC_OFF; |
| 2243 if (match_re) | |
| 2244 mtt += MT_RE_OFF; | |
| 2245 } | |
| 2246 | |
| 2247 /* | |
| 2248 * Add the found match in ga_match[mtt], avoiding duplicates. | |
| 2249 * Store the info we need later, which depends on the kind of | |
| 2250 * tags we are dealing with. | |
| 2251 */ | |
| 2252 if (ga_grow(&ga_match[mtt], 1) == OK) | |
| 2253 { | |
| 3263 | 2254 int len; |
| 2255 | |
| 7 | 2256 if (help_only) |
| 2257 { | |
| 2258 #ifdef FEAT_MULTI_LANG | |
| 2259 # define ML_EXTRA 3 | |
| 2260 #else | |
| 2261 # define ML_EXTRA 0 | |
| 2262 #endif | |
| 2263 /* | |
| 2264 * Append the help-heuristic number after the | |
| 2265 * tagname, for sorting it later. | |
| 2266 */ | |
| 2267 *tagp.tagname_end = NUL; | |
| 2268 len = (int)(tagp.tagname_end - tagp.tagname); | |
| 2269 mfp = (struct match_found *) | |
| 2270 alloc((int)sizeof(struct match_found) + len | |
| 2271 + 10 + ML_EXTRA); | |
| 2272 if (mfp != NULL) | |
| 2273 { | |
| 2274 /* "len" includes the language and the NUL, but | |
| 2275 * not the priority. */ | |
| 2276 mfp->len = len + ML_EXTRA + 1; | |
| 2277 #define ML_HELP_LEN 6 | |
| 2278 p = mfp->match; | |
| 2279 STRCPY(p, tagp.tagname); | |
| 2280 #ifdef FEAT_MULTI_LANG | |
| 2281 p[len] = '@'; | |
| 2282 STRCPY(p + len + 1, help_lang); | |
| 2283 #endif | |
| 2284 sprintf((char *)p + len + 1 + ML_EXTRA, "%06d", | |
| 2285 help_heuristic(tagp.tagname, | |
| 2286 match_re ? matchoff : 0, !match_no_ic) | |
| 2287 #ifdef FEAT_MULTI_LANG | |
| 2288 + help_pri | |
| 2289 #endif | |
| 2290 ); | |
| 2291 } | |
| 2292 *tagp.tagname_end = TAB; | |
| 2293 } | |
| 2294 else if (name_only) | |
| 2295 { | |
| 2296 if (get_it_again) | |
| 2297 { | |
| 2298 char_u *temp_end = tagp.command; | |
| 2299 | |
| 2300 if (*temp_end == '/') | |
| 2301 while (*temp_end && *temp_end != '\r' | |
| 2302 && *temp_end != '\n' | |
| 2303 && *temp_end != '$') | |
| 2304 temp_end++; | |
| 2305 | |
| 2306 if (tagp.command + 2 < temp_end) | |
| 2307 { | |
| 2308 len = (int)(temp_end - tagp.command - 2); | |
| 2309 mfp = (struct match_found *)alloc( | |
| 2310 (int)sizeof(struct match_found) + len); | |
| 2311 if (mfp != NULL) | |
| 2312 { | |
| 2313 mfp->len = len + 1; /* include the NUL */ | |
| 2314 p = mfp->match; | |
| 418 | 2315 vim_strncpy(p, tagp.command + 2, len); |
| 7 | 2316 } |
| 2317 } | |
| 2318 else | |
| 2319 mfp = NULL; | |
| 2320 get_it_again = FALSE; | |
| 2321 } | |
| 2322 else | |
| 2323 { | |
| 2324 len = (int)(tagp.tagname_end - tagp.tagname); | |
| 2325 mfp = (struct match_found *)alloc( | |
| 2326 (int)sizeof(struct match_found) + len); | |
| 2327 if (mfp != NULL) | |
| 2328 { | |
| 2329 mfp->len = len + 1; /* include the NUL */ | |
| 2330 p = mfp->match; | |
| 418 | 2331 vim_strncpy(p, tagp.tagname, len); |
| 7 | 2332 } |
| 2333 | |
| 2334 /* if wanted, re-read line to get long form too */ | |
| 2335 if (State & INSERT) | |
| 2336 get_it_again = p_sft; | |
| 2337 } | |
| 2338 } | |
| 2339 else | |
| 2340 { | |
| 2341 /* Save the tag in a buffer. | |
| 2342 * Emacs tag: <mtt><tag_fname><NUL><ebuf><NUL><lbuf> | |
| 2343 * other tag: <mtt><tag_fname><NUL><NUL><lbuf> | |
| 2344 * without Emacs tags: <mtt><tag_fname><NUL><lbuf> | |
| 2345 */ | |
| 359 | 2346 len = (int)STRLEN(tag_fname) |
| 3131 | 2347 + (int)STRLEN(lbuf) + 3; |
| 7 | 2348 #ifdef FEAT_EMACS_TAGS |
| 2349 if (is_etag) | |
| 2350 len += (int)STRLEN(ebuf) + 1; | |
| 2351 else | |
| 2352 ++len; | |
| 2353 #endif | |
| 2354 mfp = (struct match_found *)alloc( | |
| 2355 (int)sizeof(struct match_found) + len); | |
| 2356 if (mfp != NULL) | |
| 2357 { | |
| 2358 mfp->len = len; | |
| 2359 p = mfp->match; | |
| 2360 p[0] = mtt; | |
| 2361 STRCPY(p + 1, tag_fname); | |
| 2362 #ifdef BACKSLASH_IN_FILENAME | |
| 2363 /* Ignore differences in slashes, avoid adding | |
| 2364 * both path/file and path\file. */ | |
| 2365 slash_adjust(p + 1); | |
| 2366 #endif | |
| 2367 s = p + 1 + STRLEN(tag_fname) + 1; | |
| 2368 #ifdef FEAT_EMACS_TAGS | |
| 2369 if (is_etag) | |
| 2370 { | |
| 2371 STRCPY(s, ebuf); | |
| 2372 s += STRLEN(ebuf) + 1; | |
| 2373 } | |
| 2374 else | |
| 2375 *s++ = NUL; | |
| 2376 #endif | |
| 3131 | 2377 STRCPY(s, lbuf); |
| 7 | 2378 } |
| 2379 } | |
| 2380 | |
| 2381 if (mfp != NULL) | |
| 2382 { | |
| 2383 /* | |
| 2384 * Don't add identical matches. | |
| 2385 * This can take a lot of time when finding many | |
| 2386 * matches, check for CTRL-C now and then. | |
| 2387 * Add all cscope tags, because they are all listed. | |
| 2388 */ | |
| 2389 #ifdef FEAT_CSCOPE | |
| 2390 if (use_cscope) | |
| 2391 i = -1; | |
| 2392 else | |
| 2393 #endif | |
| 2394 for (i = ga_match[mtt].ga_len; --i >= 0 && !got_int; ) | |
| 2395 { | |
| 2396 mfp2 = ((struct match_found **) | |
| 2397 (ga_match[mtt].ga_data))[i]; | |
| 2398 if (mfp2->len == mfp->len | |
| 2399 && vim_memcmp(mfp2->match, mfp->match, | |
| 2400 (size_t)mfp->len) == 0) | |
| 2401 break; | |
| 2402 line_breakcheck(); | |
| 2403 } | |
| 2404 if (i < 0) | |
| 2405 { | |
| 2406 ((struct match_found **)(ga_match[mtt].ga_data)) | |
| 2407 [ga_match[mtt].ga_len++] = mfp; | |
| 2408 ++match_count; | |
| 2409 } | |
| 2410 else | |
| 2411 vim_free(mfp); | |
| 2412 } | |
| 2413 } | |
| 2414 else /* Out of memory! Just forget about the rest. */ | |
| 2415 { | |
| 2416 retval = OK; | |
| 2417 stop_searching = TRUE; | |
| 2418 break; | |
| 2419 } | |
| 2420 } | |
| 2421 #ifdef FEAT_CSCOPE | |
| 2422 if (use_cscope && eof) | |
| 2423 break; | |
| 2424 #endif | |
| 2425 } /* forever */ | |
| 2426 | |
| 2427 if (line_error) | |
| 2428 { | |
| 2429 EMSG2(_("E431: Format error in tags file \"%s\""), tag_fname); | |
| 2430 #ifdef FEAT_CSCOPE | |
| 2431 if (!use_cscope) | |
| 2432 #endif | |
| 2433 EMSGN(_("Before byte %ld"), (long)ftell(fp)); | |
| 2434 stop_searching = TRUE; | |
| 2435 line_error = FALSE; | |
| 2436 } | |
| 2437 | |
| 2438 #ifdef FEAT_CSCOPE | |
| 2439 if (!use_cscope) | |
| 2440 #endif | |
| 2441 fclose(fp); | |
| 2442 #ifdef FEAT_EMACS_TAGS | |
| 2443 while (incstack_idx) | |
| 2444 { | |
| 2445 --incstack_idx; | |
| 2446 fclose(incstack[incstack_idx].fp); | |
| 2447 vim_free(incstack[incstack_idx].etag_fname); | |
| 2448 } | |
| 2449 #endif | |
| 2450 #ifdef FEAT_MBYTE | |
| 2451 if (vimconv.vc_type != CONV_NONE) | |
| 2452 convert_setup(&vimconv, NULL, NULL); | |
| 2453 #endif | |
| 2454 | |
| 2455 #ifdef FEAT_TAG_BINS | |
| 3131 | 2456 tag_file_sorted = NUL; |
| 7 | 2457 if (sort_error) |
| 2458 { | |
| 2459 EMSG2(_("E432: Tags file not sorted: %s"), tag_fname); | |
| 2460 sort_error = FALSE; | |
| 2461 } | |
| 2462 #endif | |
| 2463 | |
| 2464 /* | |
| 2465 * Stop searching if sufficient tags have been found. | |
| 2466 */ | |
| 2467 if (match_count >= mincount) | |
| 2468 { | |
| 2469 retval = OK; | |
| 2470 stop_searching = TRUE; | |
| 2471 } | |
| 2472 | |
| 2473 #ifdef FEAT_CSCOPE | |
| 2474 if (stop_searching || use_cscope) | |
| 2475 #else | |
| 2476 if (stop_searching) | |
| 2477 #endif | |
| 2478 break; | |
| 2479 | |
| 2480 } /* end of for-each-file loop */ | |
| 2481 | |
| 692 | 2482 #ifdef FEAT_CSCOPE |
| 2483 if (!use_cscope) | |
| 2484 #endif | |
| 2485 tagname_free(&tn); | |
| 2486 | |
| 7 | 2487 #ifdef FEAT_TAG_BINS |
| 413 | 2488 /* stop searching when already did a linear search, or when TAG_NOIC |
| 2489 * used, and 'ignorecase' not set or already did case-ignore search */ | |
| 3131 | 2490 if (stop_searching || linear || (!p_ic && noic) || orgpat.regmatch.rm_ic) |
| 7 | 2491 break; |
| 2492 # ifdef FEAT_CSCOPE | |
| 2493 if (use_cscope) | |
| 2494 break; | |
| 2495 # endif | |
| 3131 | 2496 orgpat.regmatch.rm_ic = TRUE; /* try another time while ignoring case */ |
| 7 | 2497 } |
| 2498 #endif | |
| 2499 | |
| 2500 if (!stop_searching) | |
| 2501 { | |
| 2502 if (!did_open && verbose) /* never opened any tags file */ | |
| 2503 EMSG(_("E433: No tags file")); | |
| 2504 retval = OK; /* It's OK even when no tag found */ | |
| 2505 } | |
| 2506 | |
| 2507 findtag_end: | |
| 2508 vim_free(lbuf); | |
|
4805
66803af09906
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Bram Moolenaar <bram@vim.org>
parents:
3804
diff
changeset
|
2509 vim_regfree(orgpat.regmatch.regprog); |
| 7 | 2510 vim_free(tag_fname); |
| 2511 #ifdef FEAT_EMACS_TAGS | |
| 2512 vim_free(ebuf); | |
| 2513 #endif | |
| 2514 | |
| 2515 /* | |
| 2516 * Move the matches from the ga_match[] arrays into one list of | |
| 2517 * matches. When retval == FAIL, free the matches. | |
| 2518 */ | |
| 2519 if (retval == FAIL) | |
| 2520 match_count = 0; | |
| 2521 | |
| 2522 if (match_count > 0) | |
| 2523 matches = (char_u **)lalloc((long_u)(match_count * sizeof(char_u *)), | |
| 2524 TRUE); | |
| 2525 else | |
| 2526 matches = NULL; | |
| 2527 match_count = 0; | |
| 2528 for (mtt = 0; mtt < MT_COUNT; ++mtt) | |
| 2529 { | |
| 2530 for (i = 0; i < ga_match[mtt].ga_len; ++i) | |
| 2531 { | |
| 2532 mfp = ((struct match_found **)(ga_match[mtt].ga_data))[i]; | |
| 2533 if (matches == NULL) | |
| 2534 vim_free(mfp); | |
| 2535 else | |
| 2536 { | |
| 2537 /* To avoid allocating memory again we turn the struct | |
| 2538 * match_found into a string. For help the priority was not | |
| 2539 * included in the length. */ | |
| 2540 mch_memmove(mfp, mfp->match, | |
| 2541 (size_t)(mfp->len + (help_only ? ML_HELP_LEN : 0))); | |
| 2542 matches[match_count++] = (char_u *)mfp; | |
| 2543 } | |
| 2544 } | |
| 2545 ga_clear(&ga_match[mtt]); | |
| 2546 } | |
| 2547 | |
| 2548 *matchesp = matches; | |
| 2549 *num_matches = match_count; | |
| 2550 | |
| 2551 curbuf->b_help = help_save; | |
| 2552 #ifdef FEAT_MULTI_LANG | |
| 2553 vim_free(saved_pat); | |
| 2554 #endif | |
| 2555 | |
| 2556 return retval; | |
| 2557 } | |
| 2558 | |
| 2559 static garray_T tag_fnames = GA_EMPTY; | |
| 236 | 2560 static void found_tagfile_cb __ARGS((char_u *fname, void *cookie)); |
| 7 | 2561 |
| 2562 /* | |
| 2563 * Callback function for finding all "tags" and "tags-??" files in | |
| 2564 * 'runtimepath' doc directories. | |
| 2565 */ | |
| 2566 static void | |
| 236 | 2567 found_tagfile_cb(fname, cookie) |
| 7 | 2568 char_u *fname; |
| 1877 | 2569 void *cookie UNUSED; |
| 7 | 2570 { |
| 2571 if (ga_grow(&tag_fnames, 1) == OK) | |
| 2572 ((char_u **)(tag_fnames.ga_data))[tag_fnames.ga_len++] = | |
| 2573 vim_strsave(fname); | |
| 2574 } | |
| 2575 | |
| 359 | 2576 #if defined(EXITFREE) || defined(PROTO) |
| 2577 void | |
| 2578 free_tag_stuff() | |
| 2579 { | |
| 692 | 2580 ga_clear_strings(&tag_fnames); |
| 359 | 2581 do_tag(NULL, DT_FREE, 0, 0, 0); |
| 1818 | 2582 tag_freematch(); |
| 2583 | |
| 2584 # if defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX) | |
| 2585 if (ptag_entry.tagname) | |
| 2586 { | |
|
2311
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Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents:
2185
diff
changeset
|
2587 vim_free(ptag_entry.tagname); |
|
ccda151dde4e
Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents:
2185
diff
changeset
|
2588 ptag_entry.tagname = NULL; |
| 1818 | 2589 } |
| 2590 # endif | |
| 359 | 2591 } |
| 2592 #endif | |
| 2593 | |
| 7 | 2594 /* |
| 2595 * Get the next name of a tag file from the tag file list. | |
| 2596 * For help files, use "tags" file only. | |
| 2597 * | |
| 2598 * Return FAIL if no more tag file names, OK otherwise. | |
| 2599 */ | |
| 514 | 2600 int |
| 692 | 2601 get_tagfname(tnp, first, buf) |
| 2602 tagname_T *tnp; /* holds status info */ | |
| 7 | 2603 int first; /* TRUE when first file name is wanted */ |
| 2604 char_u *buf; /* pointer to buffer of MAXPATHL chars */ | |
| 2605 { | |
| 2606 char_u *fname = NULL; | |
| 2607 char_u *r_ptr; | |
| 2608 | |
| 692 | 2609 if (first) |
| 2610 vim_memset(tnp, 0, sizeof(tagname_T)); | |
| 2611 | |
| 514 | 2612 if (curbuf->b_help) |
| 7 | 2613 { |
| 514 | 2614 /* |
| 2615 * For help files it's done in a completely different way: | |
| 2616 * Find "doc/tags" and "doc/tags-??" in all directories in | |
| 2617 * 'runtimepath'. | |
| 2618 */ | |
| 2619 if (first) | |
| 7 | 2620 { |
| 2621 ga_clear_strings(&tag_fnames); | |
| 2622 ga_init2(&tag_fnames, (int)sizeof(char_u *), 10); | |
| 2623 do_in_runtimepath((char_u *) | |
| 2624 #ifdef FEAT_MULTI_LANG | |
| 36 | 2625 # ifdef VMS |
| 2626 /* Functions decc$to_vms() and decc$translate_vms() crash | |
| 2627 * on some VMS systems with wildcards "??". Seems ECO | |
| 2628 * patches do fix the problem in C RTL, but we can't use | |
| 2629 * an #ifdef for that. */ | |
| 2630 "doc/tags doc/tags-*" | |
| 2631 # else | |
| 7 | 2632 "doc/tags doc/tags-??" |
| 36 | 2633 # endif |
| 7 | 2634 #else |
| 2635 "doc/tags" | |
| 2636 #endif | |
| 236 | 2637 , TRUE, found_tagfile_cb, NULL); |
| 7 | 2638 } |
| 602 | 2639 |
| 692 | 2640 if (tnp->tn_hf_idx >= tag_fnames.ga_len) |
| 7 | 2641 { |
| 2642 /* Not found in 'runtimepath', use 'helpfile', if it exists and | |
| 2643 * wasn't used yet, replacing "help.txt" with "tags". */ | |
| 692 | 2644 if (tnp->tn_hf_idx > tag_fnames.ga_len || *p_hf == NUL) |
| 7 | 2645 return FAIL; |
| 692 | 2646 ++tnp->tn_hf_idx; |
| 7 | 2647 STRCPY(buf, p_hf); |
| 2648 STRCPY(gettail(buf), "tags"); | |
| 2649 } | |
| 2650 else | |
| 692 | 2651 vim_strncpy(buf, ((char_u **)(tag_fnames.ga_data))[ |
| 2652 tnp->tn_hf_idx++], MAXPATHL - 1); | |
| 514 | 2653 return OK; |
| 2654 } | |
| 2655 | |
| 2656 if (first) | |
| 2657 { | |
| 692 | 2658 /* Init. We make a copy of 'tags', because autocommands may change |
| 2659 * the value without notifying us. */ | |
| 2660 tnp->tn_tags = vim_strsave((*curbuf->b_p_tags != NUL) | |
| 2661 ? curbuf->b_p_tags : p_tags); | |
| 2662 if (tnp->tn_tags == NULL) | |
| 2663 return FAIL; | |
| 2664 tnp->tn_np = tnp->tn_tags; | |
| 7 | 2665 } |
| 692 | 2666 |
| 2667 /* | |
| 2668 * Loop until we have found a file name that can be used. | |
| 2669 * There are two states: | |
| 2670 * tnp->tn_did_filefind_init == FALSE: setup for next part in 'tags'. | |
| 2671 * tnp->tn_did_filefind_init == TRUE: find next file in this part. | |
| 2672 */ | |
| 2673 for (;;) | |
| 7 | 2674 { |
| 692 | 2675 if (tnp->tn_did_filefind_init) |
| 7 | 2676 { |
| 692 | 2677 fname = vim_findfile(tnp->tn_search_ctx); |
| 2678 if (fname != NULL) | |
| 2679 break; | |
| 2680 | |
| 2681 tnp->tn_did_filefind_init = FALSE; | |
| 2682 } | |
| 2683 else | |
| 2684 { | |
| 2685 char_u *filename = NULL; | |
| 2686 | |
| 2687 /* Stop when used all parts of 'tags'. */ | |
| 2688 if (*tnp->tn_np == NUL) | |
| 7 | 2689 { |
| 692 | 2690 vim_findfile_cleanup(tnp->tn_search_ctx); |
| 2691 tnp->tn_search_ctx = NULL; | |
| 2692 return FAIL; | |
| 7 | 2693 } |
| 692 | 2694 |
| 2695 /* | |
| 2696 * Copy next file name into buf. | |
| 2697 */ | |
| 2698 buf[0] = NUL; | |
| 2699 (void)copy_option_part(&tnp->tn_np, buf, MAXPATHL - 1, " ,"); | |
| 7 | 2700 |
| 2701 #ifdef FEAT_PATH_EXTRA | |
| 692 | 2702 r_ptr = vim_findfile_stopdir(buf); |
| 7 | 2703 #else |
| 692 | 2704 r_ptr = NULL; |
| 7 | 2705 #endif |
| 692 | 2706 /* move the filename one char forward and truncate the |
| 2707 * filepath with a NUL */ | |
| 2708 filename = gettail(buf); | |
| 1620 | 2709 STRMOVE(filename + 1, filename); |
| 692 | 2710 *filename++ = NUL; |
| 2711 | |
| 2712 tnp->tn_search_ctx = vim_findfile_init(buf, filename, | |
| 2713 r_ptr, 100, | |
|
2311
ccda151dde4e
Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents:
2185
diff
changeset
|
2714 FALSE, /* don't free visited list */ |
| 1541 | 2715 FINDFILE_FILE, /* we search for a file */ |
| 692 | 2716 tnp->tn_search_ctx, TRUE, curbuf->b_ffname); |
| 2717 if (tnp->tn_search_ctx != NULL) | |
| 2718 tnp->tn_did_filefind_init = TRUE; | |
| 7 | 2719 } |
| 2720 } | |
| 2721 | |
| 692 | 2722 STRCPY(buf, fname); |
| 2723 vim_free(fname); | |
| 7 | 2724 return OK; |
| 2725 } | |
| 2726 | |
| 2727 /* | |
| 692 | 2728 * Free the contents of a tagname_T that was filled by get_tagfname(). |
| 2729 */ | |
| 2730 void | |
| 2731 tagname_free(tnp) | |
| 2732 tagname_T *tnp; | |
| 2733 { | |
| 2734 vim_free(tnp->tn_tags); | |
| 2735 vim_findfile_cleanup(tnp->tn_search_ctx); | |
| 1541 | 2736 tnp->tn_search_ctx = NULL; |
| 692 | 2737 ga_clear_strings(&tag_fnames); |
| 2738 } | |
| 2739 | |
| 2740 /* | |
| 7 | 2741 * Parse one line from the tags file. Find start/end of tag name, start/end of |
| 2742 * file name and start of search pattern. | |
| 2743 * | |
| 2744 * If is_etag is TRUE, tagp->fname and tagp->fname_end are not set. | |
| 2745 * | |
| 2746 * Return FAIL if there is a format error in this line, OK otherwise. | |
| 2747 */ | |
| 2748 static int | |
| 2749 parse_tag_line(lbuf, | |
| 2750 #ifdef FEAT_EMACS_TAGS | |
| 2751 is_etag, | |
| 2752 #endif | |
| 2753 tagp) | |
| 2754 char_u *lbuf; /* line to be parsed */ | |
| 2755 #ifdef FEAT_EMACS_TAGS | |
| 2756 int is_etag; | |
| 2757 #endif | |
| 2758 tagptrs_T *tagp; | |
| 2759 { | |
| 2760 char_u *p; | |
| 2761 | |
| 2762 #ifdef FEAT_EMACS_TAGS | |
| 2763 char_u *p_7f; | |
| 2764 | |
| 2765 if (is_etag) | |
| 2766 { | |
| 2767 /* | |
| 2768 * There are two formats for an emacs tag line: | |
| 2769 * 1: struct EnvBase ^?EnvBase^A139,4627 | |
| 2770 * 2: #define ARPB_WILD_WORLD ^?153,5194 | |
| 2771 */ | |
| 2772 p_7f = vim_strchr(lbuf, 0x7f); | |
| 2773 if (p_7f == NULL) | |
| 1770 | 2774 { |
| 2775 etag_fail: | |
| 2776 if (vim_strchr(lbuf, '\n') == NULL) | |
| 2777 { | |
| 2778 /* Truncated line. Ignore it. */ | |
| 2779 if (p_verbose >= 5) | |
| 2780 { | |
| 2781 verbose_enter(); | |
| 2782 MSG(_("Ignoring long line in tags file")); | |
| 2783 verbose_leave(); | |
| 2784 } | |
| 2785 tagp->command = lbuf; | |
| 2786 tagp->tagname = lbuf; | |
| 2787 tagp->tagname_end = lbuf; | |
| 2788 return OK; | |
| 2789 } | |
| 7 | 2790 return FAIL; |
| 1770 | 2791 } |
| 7 | 2792 |
| 2793 /* Find ^A. If not found the line number is after the 0x7f */ | |
| 2794 p = vim_strchr(p_7f, Ctrl_A); | |
| 2795 if (p == NULL) | |
| 2796 p = p_7f + 1; | |
| 2797 else | |
| 2798 ++p; | |
| 2799 | |
| 2800 if (!VIM_ISDIGIT(*p)) /* check for start of line number */ | |
| 1770 | 2801 goto etag_fail; |
| 7 | 2802 tagp->command = p; |
| 2803 | |
| 2804 | |
| 2805 if (p[-1] == Ctrl_A) /* first format: explicit tagname given */ | |
| 2806 { | |
| 2807 tagp->tagname = p_7f + 1; | |
| 2808 tagp->tagname_end = p - 1; | |
| 2809 } | |
| 2810 else /* second format: isolate tagname */ | |
| 2811 { | |
| 2812 /* find end of tagname */ | |
| 2813 for (p = p_7f - 1; !vim_iswordc(*p); --p) | |
| 2814 if (p == lbuf) | |
| 1770 | 2815 goto etag_fail; |
| 7 | 2816 tagp->tagname_end = p + 1; |
| 2817 while (p >= lbuf && vim_iswordc(*p)) | |
| 2818 --p; | |
| 2819 tagp->tagname = p + 1; | |
| 2820 } | |
| 2821 } | |
| 2822 else /* not an Emacs tag */ | |
| 2823 { | |
| 2824 #endif | |
| 2825 /* Isolate the tagname, from lbuf up to the first white */ | |
| 2826 tagp->tagname = lbuf; | |
| 2827 #ifdef FEAT_TAG_ANYWHITE | |
| 2828 p = skiptowhite(lbuf); | |
| 2829 #else | |
| 2830 p = vim_strchr(lbuf, TAB); | |
| 2831 if (p == NULL) | |
| 2832 return FAIL; | |
| 2833 #endif | |
| 2834 tagp->tagname_end = p; | |
| 2835 | |
| 2836 /* Isolate file name, from first to second white space */ | |
| 2837 #ifdef FEAT_TAG_ANYWHITE | |
| 2838 p = skipwhite(p); | |
| 2839 #else | |
| 2840 if (*p != NUL) | |
| 2841 ++p; | |
| 2842 #endif | |
| 2843 tagp->fname = p; | |
| 2844 #ifdef FEAT_TAG_ANYWHITE | |
| 2845 p = skiptowhite(p); | |
| 2846 #else | |
| 2847 p = vim_strchr(p, TAB); | |
| 2848 if (p == NULL) | |
| 2849 return FAIL; | |
| 2850 #endif | |
| 2851 tagp->fname_end = p; | |
| 2852 | |
| 2853 /* find start of search command, after second white space */ | |
| 2854 #ifdef FEAT_TAG_ANYWHITE | |
| 2855 p = skipwhite(p); | |
| 2856 #else | |
| 2857 if (*p != NUL) | |
| 2858 ++p; | |
| 2859 #endif | |
| 2860 if (*p == NUL) | |
| 2861 return FAIL; | |
| 2862 tagp->command = p; | |
| 2863 #ifdef FEAT_EMACS_TAGS | |
| 2864 } | |
| 2865 #endif | |
| 2866 | |
| 2867 return OK; | |
| 2868 } | |
| 2869 | |
| 2870 /* | |
| 2871 * Check if tagname is a static tag | |
| 2872 * | |
| 2873 * Static tags produced by the older ctags program have the format: | |
| 2874 * 'file:tag file /pattern'. | |
| 1204 | 2875 * This is only recognized when both occurrence of 'file' are the same, to |
| 7 | 2876 * avoid recognizing "string::string" or ":exit". |
| 2877 * | |
| 2878 * Static tags produced by the new ctags program have the format: | |
| 2879 * 'tag file /pattern/;"<Tab>file:' " | |
| 2880 * | |
| 2881 * Return TRUE if it is a static tag and adjust *tagname to the real tag. | |
| 2882 * Return FALSE if it is not a static tag. | |
| 2883 */ | |
| 2884 static int | |
| 2885 test_for_static(tagp) | |
| 2886 tagptrs_T *tagp; | |
| 2887 { | |
| 2888 char_u *p; | |
| 2889 | |
| 2890 #ifdef FEAT_TAG_OLDSTATIC | |
| 2891 int len; | |
| 2892 | |
| 2893 /* | |
| 2894 * Check for old style static tag: "file:tag file .." | |
| 2895 */ | |
| 2896 len = (int)(tagp->fname_end - tagp->fname); | |
| 2897 p = tagp->tagname + len; | |
| 2898 if ( p < tagp->tagname_end | |
| 2899 && *p == ':' | |
| 2900 && fnamencmp(tagp->tagname, tagp->fname, len) == 0) | |
| 2901 { | |
| 2902 tagp->tagname = p + 1; | |
| 2903 return TRUE; | |
| 2904 } | |
| 2905 #endif | |
| 2906 | |
| 2907 /* | |
| 2908 * Check for new style static tag ":...<Tab>file:[<Tab>...]" | |
| 2909 */ | |
| 2910 p = tagp->command; | |
| 2911 while ((p = vim_strchr(p, '\t')) != NULL) | |
| 2912 { | |
| 2913 ++p; | |
| 2914 if (STRNCMP(p, "file:", 5) == 0) | |
| 2915 return TRUE; | |
| 2916 } | |
| 2917 | |
| 2918 return FALSE; | |
| 2919 } | |
| 2920 | |
| 2921 /* | |
| 2922 * Parse a line from a matching tag. Does not change the line itself. | |
| 2923 * | |
| 2924 * The line that we get looks like this: | |
| 2925 * Emacs tag: <mtt><tag_fname><NUL><ebuf><NUL><lbuf> | |
| 2926 * other tag: <mtt><tag_fname><NUL><NUL><lbuf> | |
| 2927 * without Emacs tags: <mtt><tag_fname><NUL><lbuf> | |
| 2928 * | |
| 2929 * Return OK or FAIL. | |
| 2930 */ | |
| 2931 static int | |
| 2932 parse_match(lbuf, tagp) | |
| 2933 char_u *lbuf; /* input: matching line */ | |
| 2934 tagptrs_T *tagp; /* output: pointers into the line */ | |
| 2935 { | |
| 2936 int retval; | |
| 2937 char_u *p; | |
| 2938 char_u *pc, *pt; | |
| 2939 | |
| 2940 tagp->tag_fname = lbuf + 1; | |
| 2941 lbuf += STRLEN(tagp->tag_fname) + 2; | |
| 2942 #ifdef FEAT_EMACS_TAGS | |
| 2943 if (*lbuf) | |
| 2944 { | |
| 2945 tagp->is_etag = TRUE; | |
| 2946 tagp->fname = lbuf; | |
| 2947 lbuf += STRLEN(lbuf); | |
| 2948 tagp->fname_end = lbuf++; | |
| 2949 } | |
| 2950 else | |
| 2951 { | |
| 2952 tagp->is_etag = FALSE; | |
| 2953 ++lbuf; | |
| 2954 } | |
| 2955 #endif | |
| 2956 | |
| 2957 /* Find search pattern and the file name for non-etags. */ | |
| 2958 retval = parse_tag_line(lbuf, | |
| 2959 #ifdef FEAT_EMACS_TAGS | |
| 2960 tagp->is_etag, | |
| 2961 #endif | |
| 2962 tagp); | |
| 2963 | |
| 2964 tagp->tagkind = NULL; | |
| 2965 tagp->command_end = NULL; | |
| 2966 | |
| 2967 if (retval == OK) | |
| 2968 { | |
| 2969 /* Try to find a kind field: "kind:<kind>" or just "<kind>"*/ | |
| 2970 p = tagp->command; | |
| 2971 if (find_extra(&p) == OK) | |
| 2972 { | |
| 2973 tagp->command_end = p; | |
| 2974 p += 2; /* skip ";\"" */ | |
| 2975 if (*p++ == TAB) | |
| 2976 while (ASCII_ISALPHA(*p)) | |
| 2977 { | |
| 2978 if (STRNCMP(p, "kind:", 5) == 0) | |
| 2979 { | |
| 2980 tagp->tagkind = p + 5; | |
| 2981 break; | |
| 2982 } | |
| 2983 pc = vim_strchr(p, ':'); | |
| 2984 pt = vim_strchr(p, '\t'); | |
| 2985 if (pc == NULL || (pt != NULL && pc > pt)) | |
| 2986 { | |
| 2987 tagp->tagkind = p; | |
| 2988 break; | |
| 2989 } | |
| 2990 if (pt == NULL) | |
| 2991 break; | |
| 2992 p = pt + 1; | |
| 2993 } | |
| 2994 } | |
| 2995 if (tagp->tagkind != NULL) | |
| 2996 { | |
| 2997 for (p = tagp->tagkind; | |
| 2998 *p && *p != '\t' && *p != '\r' && *p != '\n'; ++p) | |
| 2999 ; | |
| 3000 tagp->tagkind_end = p; | |
| 3001 } | |
| 3002 } | |
| 3003 return retval; | |
| 3004 } | |
| 3005 | |
| 3006 /* | |
| 3007 * Find out the actual file name of a tag. Concatenate the tags file name | |
| 3008 * with the matching tag file name. | |
| 3009 * Returns an allocated string or NULL (out of memory). | |
| 3010 */ | |
| 3011 static char_u * | |
| 3012 tag_full_fname(tagp) | |
| 3013 tagptrs_T *tagp; | |
| 3014 { | |
| 3015 char_u *fullname; | |
| 3016 int c; | |
| 3017 | |
| 3018 #ifdef FEAT_EMACS_TAGS | |
| 3019 if (tagp->is_etag) | |
| 3020 c = 0; /* to shut up GCC */ | |
| 3021 else | |
| 3022 #endif | |
| 3023 { | |
| 3024 c = *tagp->fname_end; | |
| 3025 *tagp->fname_end = NUL; | |
| 3026 } | |
| 3027 fullname = expand_tag_fname(tagp->fname, tagp->tag_fname, FALSE); | |
| 3028 | |
| 3029 #ifdef FEAT_EMACS_TAGS | |
| 3030 if (!tagp->is_etag) | |
| 3031 #endif | |
| 3032 *tagp->fname_end = c; | |
| 3033 | |
| 3034 return fullname; | |
| 3035 } | |
| 3036 | |
| 3037 /* | |
| 3038 * Jump to a tag that has been found in one of the tag files | |
| 3039 * | |
| 3040 * returns OK for success, NOTAGFILE when file not found, FAIL otherwise. | |
| 3041 */ | |
| 3042 static int | |
| 3043 jumpto_tag(lbuf, forceit, keep_help) | |
| 3044 char_u *lbuf; /* line from the tags file for this tag */ | |
| 3045 int forceit; /* :ta with ! */ | |
| 3046 int keep_help; /* keep help flag (FALSE for cscope) */ | |
| 3047 { | |
| 3048 int save_secure; | |
| 3049 int save_magic; | |
| 3050 int save_p_ws, save_p_scs, save_p_ic; | |
| 3051 linenr_T save_lnum; | |
| 3052 int csave = 0; | |
| 3053 char_u *str; | |
| 3054 char_u *pbuf; /* search pattern buffer */ | |
| 3055 char_u *pbuf_end; | |
| 3056 char_u *tofree_fname = NULL; | |
| 3057 char_u *fname; | |
| 3058 tagptrs_T tagp; | |
| 3059 int retval = FAIL; | |
| 3060 int getfile_result; | |
| 3061 int search_options; | |
| 3062 #ifdef FEAT_SEARCH_EXTRA | |
| 3063 int save_no_hlsearch; | |
| 3064 #endif | |
| 3065 #if defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX) | |
| 3066 win_T *curwin_save = NULL; | |
| 3067 #endif | |
| 3068 char_u *full_fname = NULL; | |
| 3069 #ifdef FEAT_FOLDING | |
| 3070 int old_KeyTyped = KeyTyped; /* getting the file may reset it */ | |
| 3071 #endif | |
| 3072 | |
| 3073 pbuf = alloc(LSIZE); | |
| 3074 | |
| 3075 /* parse the match line into the tagp structure */ | |
| 3076 if (pbuf == NULL || parse_match(lbuf, &tagp) == FAIL) | |
| 3077 { | |
| 3078 tagp.fname_end = NULL; | |
| 3079 goto erret; | |
| 3080 } | |
| 3081 | |
| 3082 /* truncate the file name, so it can be used as a string */ | |
| 3083 csave = *tagp.fname_end; | |
| 3084 *tagp.fname_end = NUL; | |
| 3085 fname = tagp.fname; | |
| 3086 | |
| 3087 /* copy the command to pbuf[], remove trailing CR/NL */ | |
| 3088 str = tagp.command; | |
| 3089 for (pbuf_end = pbuf; *str && *str != '\n' && *str != '\r'; ) | |
| 3090 { | |
| 3091 #ifdef FEAT_EMACS_TAGS | |
| 3092 if (tagp.is_etag && *str == ',')/* stop at ',' after line number */ | |
| 3093 break; | |
| 3094 #endif | |
| 3095 *pbuf_end++ = *str++; | |
| 3096 } | |
| 3097 *pbuf_end = NUL; | |
| 3098 | |
| 3099 #ifdef FEAT_EMACS_TAGS | |
| 3100 if (!tagp.is_etag) | |
| 3101 #endif | |
| 3102 { | |
| 3103 /* | |
| 3104 * Remove the "<Tab>fieldname:value" stuff; we don't need it here. | |
| 3105 */ | |
| 3106 str = pbuf; | |
| 3107 if (find_extra(&str) == OK) | |
| 3108 { | |
| 3109 pbuf_end = str; | |
| 3110 *pbuf_end = NUL; | |
| 3111 } | |
| 3112 } | |
| 3113 | |
| 3114 /* | |
| 3115 * Expand file name, when needed (for environment variables). | |
| 3116 * If 'tagrelative' option set, may change file name. | |
| 3117 */ | |
| 3118 fname = expand_tag_fname(fname, tagp.tag_fname, TRUE); | |
| 3119 if (fname == NULL) | |
| 3120 goto erret; | |
| 3121 tofree_fname = fname; /* free() it later */ | |
| 3122 | |
| 3123 /* | |
| 3124 * Check if the file with the tag exists before abandoning the current | |
| 3125 * file. Also accept a file name for which there is a matching BufReadCmd | |
| 3126 * autocommand event (e.g., http://sys/file). | |
| 3127 */ | |
| 3128 if (mch_getperm(fname) < 0 | |
| 3129 #ifdef FEAT_AUTOCMD | |
| 40 | 3130 && !has_autocmd(EVENT_BUFREADCMD, fname, NULL) |
| 7 | 3131 #endif |
| 3132 ) | |
| 3133 { | |
| 3134 retval = NOTAGFILE; | |
| 3135 vim_free(nofile_fname); | |
| 3136 nofile_fname = vim_strsave(fname); | |
| 3137 if (nofile_fname == NULL) | |
| 3138 nofile_fname = empty_option; | |
| 3139 goto erret; | |
| 3140 } | |
| 3141 | |
| 3142 ++RedrawingDisabled; | |
| 3143 | |
| 3144 #ifdef FEAT_GUI | |
| 3145 need_mouse_correct = TRUE; | |
| 3146 #endif | |
| 3147 | |
| 3148 #if defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX) | |
| 2713 | 3149 if (g_do_tagpreview != 0) |
| 7 | 3150 { |
| 728 | 3151 postponed_split = 0; /* don't split again below */ |
| 3152 curwin_save = curwin; /* Save current window */ | |
| 3153 | |
| 7 | 3154 /* |
| 3155 * If we are reusing a window, we may change dir when | |
| 3156 * entering it (autocommands) so turn the tag filename | |
| 3157 * into a fullpath | |
| 3158 */ | |
| 3159 if (!curwin->w_p_pvw) | |
| 3160 { | |
| 3161 full_fname = FullName_save(fname, FALSE); | |
| 3162 fname = full_fname; | |
| 3163 | |
| 3164 /* | |
| 3165 * Make the preview window the current window. | |
| 3166 * Open a preview window when needed. | |
| 3167 */ | |
| 816 | 3168 prepare_tagpreview(TRUE); |
| 7 | 3169 } |
| 3170 } | |
| 3171 | |
| 682 | 3172 /* If it was a CTRL-W CTRL-] command split window now. For ":tab tag" |
| 3173 * open a new tab page. */ | |
| 3174 if (postponed_split || cmdmod.tab != 0) | |
| 7 | 3175 { |
| 3176 win_split(postponed_split > 0 ? postponed_split : 0, | |
| 3177 postponed_split_flags); | |
| 2583 | 3178 RESET_BINDING(curwin); |
| 7 | 3179 } |
| 3180 #endif | |
| 3181 | |
| 3182 if (keep_help) | |
| 3183 { | |
| 3184 /* A :ta from a help file will keep the b_help flag set. For ":ptag" | |
| 3185 * we need to use the flag from the window where we came from. */ | |
| 3186 #if defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX) | |
| 2713 | 3187 if (g_do_tagpreview != 0) |
| 7 | 3188 keep_help_flag = curwin_save->w_buffer->b_help; |
| 3189 else | |
| 3190 #endif | |
| 3191 keep_help_flag = curbuf->b_help; | |
| 3192 } | |
| 3193 getfile_result = getfile(0, fname, NULL, TRUE, (linenr_T)0, forceit); | |
| 3194 keep_help_flag = FALSE; | |
| 3195 | |
| 3196 if (getfile_result <= 0) /* got to the right file */ | |
| 3197 { | |
| 3198 curwin->w_set_curswant = TRUE; | |
| 3199 #ifdef FEAT_WINDOWS | |
| 3200 postponed_split = 0; | |
| 3201 #endif | |
| 3202 | |
| 3203 save_secure = secure; | |
| 3204 secure = 1; | |
| 3205 #ifdef HAVE_SANDBOX | |
| 3206 ++sandbox; | |
| 3207 #endif | |
| 3208 save_magic = p_magic; | |
| 3209 p_magic = FALSE; /* always execute with 'nomagic' */ | |
| 3210 #ifdef FEAT_SEARCH_EXTRA | |
| 3211 /* Save value of no_hlsearch, jumping to a tag is not a real search */ | |
| 3212 save_no_hlsearch = no_hlsearch; | |
| 3213 #endif | |
| 3214 | |
| 3215 /* | |
| 3216 * If 'cpoptions' contains 't', store the search pattern for the "n" | |
| 3217 * command. If 'cpoptions' does not contain 't', the search pattern | |
| 3218 * is not stored. | |
| 3219 */ | |
| 3220 if (vim_strchr(p_cpo, CPO_TAGPAT) != NULL) | |
| 3221 search_options = 0; | |
| 3222 else | |
| 3223 search_options = SEARCH_KEEP; | |
| 3224 | |
| 3225 /* | |
| 3226 * If the command is a search, try here. | |
| 3227 * | |
| 3228 * Reset 'smartcase' for the search, since the search pattern was not | |
| 3229 * typed by the user. | |
| 3230 * Only use do_search() when there is a full search command, without | |
| 3231 * anything following. | |
| 3232 */ | |
| 3233 str = pbuf; | |
| 3234 if (pbuf[0] == '/' || pbuf[0] == '?') | |
| 3235 str = skip_regexp(pbuf + 1, pbuf[0], FALSE, NULL) + 1; | |
| 3236 if (str > pbuf_end - 1) /* search command with nothing following */ | |
| 3237 { | |
| 3238 save_p_ws = p_ws; | |
| 3239 save_p_ic = p_ic; | |
| 3240 save_p_scs = p_scs; | |
| 3241 p_ws = TRUE; /* need 'wrapscan' for backward searches */ | |
| 3242 p_ic = FALSE; /* don't ignore case now */ | |
| 3243 p_scs = FALSE; | |
| 3244 #if 0 /* disabled for now */ | |
| 3245 #ifdef FEAT_CMDHIST | |
| 3246 /* put pattern in search history */ | |
| 3247 add_to_history(HIST_SEARCH, pbuf + 1, TRUE, pbuf[0]); | |
| 3248 #endif | |
| 3249 #endif | |
| 3250 save_lnum = curwin->w_cursor.lnum; | |
| 3251 curwin->w_cursor.lnum = 0; /* start search before first line */ | |
| 1521 | 3252 if (do_search(NULL, pbuf[0], pbuf + 1, (long)1, |
| 3253 search_options, NULL)) | |
| 7 | 3254 retval = OK; |
| 3255 else | |
| 3256 { | |
| 3257 int found = 1; | |
| 3258 int cc; | |
| 3259 | |
| 3260 /* | |
| 3261 * try again, ignore case now | |
| 3262 */ | |
| 3263 p_ic = TRUE; | |
| 3264 if (!do_search(NULL, pbuf[0], pbuf + 1, (long)1, | |
| 1521 | 3265 search_options, NULL)) |
| 7 | 3266 { |
| 3267 /* | |
| 3268 * Failed to find pattern, take a guess: "^func (" | |
| 3269 */ | |
| 3270 found = 2; | |
| 3271 (void)test_for_static(&tagp); | |
| 3272 cc = *tagp.tagname_end; | |
| 3273 *tagp.tagname_end = NUL; | |
| 3274 sprintf((char *)pbuf, "^%s\\s\\*(", tagp.tagname); | |
| 1521 | 3275 if (!do_search(NULL, '/', pbuf, (long)1, |
| 3276 search_options, NULL)) | |
| 7 | 3277 { |
| 3278 /* Guess again: "^char * \<func (" */ | |
| 3279 sprintf((char *)pbuf, "^\\[#a-zA-Z_]\\.\\*\\<%s\\s\\*(", | |
| 3280 tagp.tagname); | |
| 3281 if (!do_search(NULL, '/', pbuf, (long)1, | |
| 1521 | 3282 search_options, NULL)) |
| 7 | 3283 found = 0; |
| 3284 } | |
| 3285 *tagp.tagname_end = cc; | |
| 3286 } | |
| 3287 if (found == 0) | |
| 3288 { | |
| 3289 EMSG(_("E434: Can't find tag pattern")); | |
| 3290 curwin->w_cursor.lnum = save_lnum; | |
| 3291 } | |
| 3292 else | |
| 3293 { | |
| 3294 /* | |
| 3295 * Only give a message when really guessed, not when 'ic' | |
| 3296 * is set and match found while ignoring case. | |
| 3297 */ | |
| 3298 if (found == 2 || !save_p_ic) | |
| 3299 { | |
| 3300 MSG(_("E435: Couldn't find tag, just guessing!")); | |
| 3301 if (!msg_scrolled && msg_silent == 0) | |
| 3302 { | |
| 3303 out_flush(); | |
| 3304 ui_delay(1000L, TRUE); | |
| 3305 } | |
| 3306 } | |
| 3307 retval = OK; | |
| 3308 } | |
| 3309 } | |
| 3310 p_ws = save_p_ws; | |
| 3311 p_ic = save_p_ic; | |
| 3312 p_scs = save_p_scs; | |
| 3313 | |
| 3314 /* A search command may have positioned the cursor beyond the end | |
| 3315 * of the line. May need to correct that here. */ | |
| 3316 check_cursor(); | |
| 3317 } | |
| 3318 else | |
| 3319 { | |
| 3320 curwin->w_cursor.lnum = 1; /* start command in line 1 */ | |
| 3321 do_cmdline_cmd(pbuf); | |
| 3322 retval = OK; | |
| 3323 } | |
| 3324 | |
| 3325 /* | |
| 3326 * When the command has done something that is not allowed make sure | |
| 3327 * the error message can be seen. | |
| 3328 */ | |
| 3329 if (secure == 2) | |
| 3330 wait_return(TRUE); | |
| 3331 secure = save_secure; | |
| 3332 p_magic = save_magic; | |
| 3333 #ifdef HAVE_SANDBOX | |
| 3334 --sandbox; | |
| 3335 #endif | |
| 3336 #ifdef FEAT_SEARCH_EXTRA | |
| 3337 /* restore no_hlsearch when keeping the old search pattern */ | |
| 3338 if (search_options) | |
| 5458 | 3339 { |
| 3340 SET_NO_HLSEARCH(save_no_hlsearch); | |
| 3341 } | |
| 7 | 3342 #endif |
| 3343 | |
| 3344 /* Return OK if jumped to another file (at least we found the file!). */ | |
| 3345 if (getfile_result == -1) | |
| 3346 retval = OK; | |
| 3347 | |
| 3348 if (retval == OK) | |
| 3349 { | |
| 3350 /* | |
| 3351 * For a help buffer: Put the cursor line at the top of the window, | |
| 3352 * the help subject will be below it. | |
| 3353 */ | |
| 3354 if (curbuf->b_help) | |
| 3355 set_topline(curwin, curwin->w_cursor.lnum); | |
| 3356 #ifdef FEAT_FOLDING | |
| 3357 if ((fdo_flags & FDO_TAG) && old_KeyTyped) | |
| 3358 foldOpenCursor(); | |
| 3359 #endif | |
| 3360 } | |
| 3361 | |
| 3362 #if defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX) | |
| 2713 | 3363 if (g_do_tagpreview != 0 |
| 3364 && curwin != curwin_save && win_valid(curwin_save)) | |
| 7 | 3365 { |
| 3366 /* Return cursor to where we were */ | |
| 3367 validate_cursor(); | |
| 3368 redraw_later(VALID); | |
| 3369 win_enter(curwin_save, TRUE); | |
| 3370 } | |
| 3371 #endif | |
| 3372 | |
| 3373 --RedrawingDisabled; | |
| 3374 } | |
| 3375 else | |
| 3376 { | |
| 3377 --RedrawingDisabled; | |
| 3378 #ifdef FEAT_WINDOWS | |
| 3379 if (postponed_split) /* close the window */ | |
| 3380 { | |
| 3381 win_close(curwin, FALSE); | |
| 3382 postponed_split = 0; | |
| 3383 } | |
| 3384 #endif | |
| 3385 } | |
| 3386 | |
| 3387 erret: | |
| 3388 #if defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX) | |
| 3389 g_do_tagpreview = 0; /* For next time */ | |
| 3390 #endif | |
| 3391 if (tagp.fname_end != NULL) | |
| 3392 *tagp.fname_end = csave; | |
| 3393 vim_free(pbuf); | |
| 3394 vim_free(tofree_fname); | |
| 3395 vim_free(full_fname); | |
| 3396 | |
| 3397 return retval; | |
| 3398 } | |
| 3399 | |
| 3400 /* | |
| 3401 * If "expand" is TRUE, expand wildcards in fname. | |
| 3402 * If 'tagrelative' option set, change fname (name of file containing tag) | |
| 3403 * according to tag_fname (name of tag file containing fname). | |
| 3404 * Returns a pointer to allocated memory (or NULL when out of memory). | |
| 3405 */ | |
| 3406 static char_u * | |
| 3407 expand_tag_fname(fname, tag_fname, expand) | |
| 3408 char_u *fname; | |
| 3409 char_u *tag_fname; | |
| 3410 int expand; | |
| 3411 { | |
| 3412 char_u *p; | |
| 3413 char_u *retval; | |
| 3414 char_u *expanded_fname = NULL; | |
| 3415 expand_T xpc; | |
| 3416 | |
| 3417 /* | |
| 3418 * Expand file name (for environment variables) when needed. | |
| 3419 */ | |
| 3420 if (expand && mch_has_wildcard(fname)) | |
| 3421 { | |
| 3422 ExpandInit(&xpc); | |
| 3423 xpc.xp_context = EXPAND_FILES; | |
| 3424 expanded_fname = ExpandOne(&xpc, (char_u *)fname, NULL, | |
| 3425 WILD_LIST_NOTFOUND|WILD_SILENT, WILD_EXPAND_FREE); | |
| 3426 if (expanded_fname != NULL) | |
| 3427 fname = expanded_fname; | |
| 3428 } | |
| 3429 | |
| 3430 if ((p_tr || curbuf->b_help) | |
| 3431 && !vim_isAbsName(fname) | |
| 3432 && (p = gettail(tag_fname)) != tag_fname) | |
| 3433 { | |
| 3434 retval = alloc(MAXPATHL); | |
| 3435 if (retval != NULL) | |
| 3436 { | |
| 3437 STRCPY(retval, tag_fname); | |
| 418 | 3438 vim_strncpy(retval + (p - tag_fname), fname, |
| 3439 MAXPATHL - (p - tag_fname) - 1); | |
| 7 | 3440 /* |
| 3441 * Translate names like "src/a/../b/file.c" into "src/b/file.c". | |
| 3442 */ | |
| 3443 simplify_filename(retval); | |
| 3444 } | |
| 3445 } | |
| 3446 else | |
| 3447 retval = vim_strsave(fname); | |
| 3448 | |
| 3449 vim_free(expanded_fname); | |
| 3450 | |
| 3451 return retval; | |
| 3452 } | |
| 3453 | |
| 3454 /* | |
| 3455 * Converts a file name into a canonical form. It simplifies a file name into | |
| 3456 * its simplest form by stripping out unneeded components, if any. The | |
| 3457 * resulting file name is simplified in place and will either be the same | |
| 3458 * length as that supplied, or shorter. | |
| 3459 */ | |
| 3460 void | |
| 3461 simplify_filename(filename) | |
| 3462 char_u *filename; | |
| 3463 { | |
| 3464 #ifndef AMIGA /* Amiga doesn't have "..", it uses "/" */ | |
| 3465 int components = 0; | |
| 3466 char_u *p, *tail, *start; | |
| 3467 int stripping_disabled = FALSE; | |
| 3468 int relative = TRUE; | |
| 3469 | |
| 3470 p = filename; | |
| 3471 #ifdef BACKSLASH_IN_FILENAME | |
| 3472 if (p[1] == ':') /* skip "x:" */ | |
| 3473 p += 2; | |
| 3474 #endif | |
| 3475 | |
| 3476 if (vim_ispathsep(*p)) | |
| 3477 { | |
| 3478 relative = FALSE; | |
| 3479 do | |
| 3480 ++p; | |
| 3481 while (vim_ispathsep(*p)); | |
| 3482 } | |
| 3483 start = p; /* remember start after "c:/" or "/" or "///" */ | |
| 3484 | |
| 3485 do | |
| 3486 { | |
| 3487 /* At this point "p" is pointing to the char following a single "/" | |
| 3488 * or "p" is at the "start" of the (absolute or relative) path name. */ | |
| 3489 #ifdef VMS | |
| 3490 /* VMS allows device:[path] - don't strip the [ in directory */ | |
| 3491 if ((*p == '[' || *p == '<') && p > filename && p[-1] == ':') | |
| 3492 { | |
| 3493 /* :[ or :< composition: vms directory component */ | |
| 3494 ++components; | |
| 3495 p = getnextcomp(p + 1); | |
| 3496 } | |
| 3497 /* allow remote calls as host"user passwd"::device:[path] */ | |
| 3498 else if (p[0] == ':' && p[1] == ':' && p > filename && p[-1] == '"' ) | |
| 3499 { | |
| 3500 /* ":: composition: vms host/passwd component */ | |
| 3501 ++components; | |
| 3502 p = getnextcomp(p + 2); | |
| 3503 } | |
| 3504 else | |
| 3505 #endif | |
| 3506 if (vim_ispathsep(*p)) | |
| 1620 | 3507 STRMOVE(p, p + 1); /* remove duplicate "/" */ |
| 7 | 3508 else if (p[0] == '.' && (vim_ispathsep(p[1]) || p[1] == NUL)) |
| 3509 { | |
| 3510 if (p == start && relative) | |
| 3511 p += 1 + (p[1] != NUL); /* keep single "." or leading "./" */ | |
| 3512 else | |
| 3513 { | |
| 3514 /* Strip "./" or ".///". If we are at the end of the file name | |
| 3515 * and there is no trailing path separator, either strip "/." if | |
| 3516 * we are after "start", or strip "." if we are at the beginning | |
| 3517 * of an absolute path name . */ | |
| 3518 tail = p + 1; | |
| 3519 if (p[1] != NUL) | |
| 3520 while (vim_ispathsep(*tail)) | |
| 39 | 3521 mb_ptr_adv(tail); |
| 7 | 3522 else if (p > start) |
| 3523 --p; /* strip preceding path separator */ | |
| 1620 | 3524 STRMOVE(p, tail); |
| 7 | 3525 } |
| 3526 } | |
| 3527 else if (p[0] == '.' && p[1] == '.' && | |
| 3528 (vim_ispathsep(p[2]) || p[2] == NUL)) | |
| 3529 { | |
| 3530 /* Skip to after ".." or "../" or "..///". */ | |
| 3531 tail = p + 2; | |
| 3532 while (vim_ispathsep(*tail)) | |
| 39 | 3533 mb_ptr_adv(tail); |
| 7 | 3534 |
| 3535 if (components > 0) /* strip one preceding component */ | |
| 3536 { | |
| 3537 int do_strip = FALSE; | |
| 3538 char_u saved_char; | |
| 3539 struct stat st; | |
| 3540 | |
| 3541 /* Don't strip for an erroneous file name. */ | |
| 3542 if (!stripping_disabled) | |
| 3543 { | |
| 3544 /* If the preceding component does not exist in the file | |
| 3545 * system, we strip it. On Unix, we don't accept a symbolic | |
| 3546 * link that refers to a non-existent file. */ | |
| 3547 saved_char = p[-1]; | |
| 3548 p[-1] = NUL; | |
| 3549 #ifdef UNIX | |
| 3550 if (mch_lstat((char *)filename, &st) < 0) | |
| 3551 #else | |
| 3552 if (mch_stat((char *)filename, &st) < 0) | |
| 3553 #endif | |
| 3554 do_strip = TRUE; | |
| 3555 p[-1] = saved_char; | |
| 3556 | |
| 3557 --p; | |
| 3558 /* Skip back to after previous '/'. */ | |
| 39 | 3559 while (p > start && !after_pathsep(start, p)) |
| 3560 mb_ptr_back(start, p); | |
| 7 | 3561 |
| 3562 if (!do_strip) | |
| 3563 { | |
| 3564 /* If the component exists in the file system, check | |
| 3565 * that stripping it won't change the meaning of the | |
| 3566 * file name. First get information about the | |
| 3567 * unstripped file name. This may fail if the component | |
| 3568 * to strip is not a searchable directory (but a regular | |
| 3569 * file, for instance), since the trailing "/.." cannot | |
| 3570 * be applied then. We don't strip it then since we | |
| 3571 * don't want to replace an erroneous file name by | |
| 3572 * a valid one, and we disable stripping of later | |
| 3573 * components. */ | |
| 3574 saved_char = *tail; | |
| 3575 *tail = NUL; | |
| 3576 if (mch_stat((char *)filename, &st) >= 0) | |
| 3577 do_strip = TRUE; | |
| 3578 else | |
| 3579 stripping_disabled = TRUE; | |
| 3580 *tail = saved_char; | |
| 3581 #ifdef UNIX | |
| 3582 if (do_strip) | |
| 3583 { | |
| 3584 struct stat new_st; | |
| 3585 | |
| 3586 /* On Unix, the check for the unstripped file name | |
| 3587 * above works also for a symbolic link pointing to | |
| 3588 * a searchable directory. But then the parent of | |
| 3589 * the directory pointed to by the link must be the | |
| 3590 * same as the stripped file name. (The latter | |
| 3591 * exists in the file system since it is the | |
| 3592 * component's parent directory.) */ | |
| 3593 if (p == start && relative) | |
| 3594 (void)mch_stat(".", &new_st); | |
| 3595 else | |
| 3596 { | |
| 3597 saved_char = *p; | |
| 3598 *p = NUL; | |
| 3599 (void)mch_stat((char *)filename, &new_st); | |
| 3600 *p = saved_char; | |
| 3601 } | |
| 3602 | |
| 3603 if (new_st.st_ino != st.st_ino || | |
| 3604 new_st.st_dev != st.st_dev) | |
| 3605 { | |
| 3606 do_strip = FALSE; | |
| 3607 /* We don't disable stripping of later | |
| 3608 * components since the unstripped path name is | |
| 3609 * still valid. */ | |
| 3610 } | |
| 3611 } | |
| 3612 #endif | |
| 3613 } | |
| 3614 } | |
| 3615 | |
| 3616 if (!do_strip) | |
| 3617 { | |
| 3618 /* Skip the ".." or "../" and reset the counter for the | |
| 3619 * components that might be stripped later on. */ | |
| 3620 p = tail; | |
| 3621 components = 0; | |
| 3622 } | |
| 3623 else | |
| 3624 { | |
| 3625 /* Strip previous component. If the result would get empty | |
| 3626 * and there is no trailing path separator, leave a single | |
| 3627 * "." instead. If we are at the end of the file name and | |
| 3628 * there is no trailing path separator and a preceding | |
| 3629 * component is left after stripping, strip its trailing | |
| 3630 * path separator as well. */ | |
| 3631 if (p == start && relative && tail[-1] == '.') | |
| 3632 { | |
| 3633 *p++ = '.'; | |
| 3634 *p = NUL; | |
| 3635 } | |
| 3636 else | |
| 3637 { | |
| 3638 if (p > start && tail[-1] == '.') | |
| 3639 --p; | |
| 1620 | 3640 STRMOVE(p, tail); /* strip previous component */ |
| 7 | 3641 } |
| 3642 | |
| 3643 --components; | |
| 3644 } | |
| 3645 } | |
| 3646 else if (p == start && !relative) /* leading "/.." or "/../" */ | |
| 1620 | 3647 STRMOVE(p, tail); /* strip ".." or "../" */ |
| 7 | 3648 else |
| 3649 { | |
| 3650 if (p == start + 2 && p[-2] == '.') /* leading "./../" */ | |
| 3651 { | |
| 1620 | 3652 STRMOVE(p - 2, p); /* strip leading "./" */ |
| 7 | 3653 tail -= 2; |
| 3654 } | |
| 3655 p = tail; /* skip to char after ".." or "../" */ | |
| 3656 } | |
| 3657 } | |
| 3658 else | |
| 3659 { | |
| 3660 ++components; /* simple path component */ | |
| 3661 p = getnextcomp(p); | |
| 3662 } | |
| 3663 } while (*p != NUL); | |
| 3664 #endif /* !AMIGA */ | |
| 3665 } | |
| 3666 | |
| 3667 /* | |
| 3668 * Check if we have a tag for the buffer with name "buf_ffname". | |
| 3669 * This is a bit slow, because of the full path compare in fullpathcmp(). | |
| 3670 * Return TRUE if tag for file "fname" if tag file "tag_fname" is for current | |
| 3671 * file. | |
| 3672 */ | |
| 3673 static int | |
| 3674 #ifdef FEAT_EMACS_TAGS | |
| 3675 test_for_current(is_etag, fname, fname_end, tag_fname, buf_ffname) | |
| 3676 int is_etag; | |
| 3677 #else | |
| 3678 test_for_current(fname, fname_end, tag_fname, buf_ffname) | |
| 3679 #endif | |
| 3680 char_u *fname; | |
| 3681 char_u *fname_end; | |
| 3682 char_u *tag_fname; | |
| 3683 char_u *buf_ffname; | |
| 3684 { | |
| 3685 int c; | |
| 3686 int retval = FALSE; | |
| 3687 char_u *fullname; | |
| 3688 | |
| 3689 if (buf_ffname != NULL) /* if the buffer has a name */ | |
| 3690 { | |
| 3691 #ifdef FEAT_EMACS_TAGS | |
| 3692 if (is_etag) | |
| 3693 c = 0; /* to shut up GCC */ | |
| 3694 else | |
| 3695 #endif | |
| 3696 { | |
| 3697 c = *fname_end; | |
| 3698 *fname_end = NUL; | |
| 3699 } | |
| 3700 fullname = expand_tag_fname(fname, tag_fname, TRUE); | |
| 3701 if (fullname != NULL) | |
| 3702 { | |
| 3703 retval = (fullpathcmp(fullname, buf_ffname, TRUE) & FPC_SAME); | |
| 3704 vim_free(fullname); | |
| 3705 } | |
| 3706 #ifdef FEAT_EMACS_TAGS | |
| 3707 if (!is_etag) | |
| 3708 #endif | |
| 3709 *fname_end = c; | |
| 3710 } | |
| 3711 | |
| 3712 return retval; | |
| 3713 } | |
| 3714 | |
| 3715 /* | |
| 3716 * Find the end of the tagaddress. | |
| 3717 * Return OK if ";\"" is following, FAIL otherwise. | |
| 3718 */ | |
| 3719 static int | |
| 3720 find_extra(pp) | |
| 3721 char_u **pp; | |
| 3722 { | |
| 3723 char_u *str = *pp; | |
| 3724 | |
| 3725 /* Repeat for addresses separated with ';' */ | |
| 3726 for (;;) | |
| 3727 { | |
| 3728 if (VIM_ISDIGIT(*str)) | |
| 3729 str = skipdigits(str); | |
| 3730 else if (*str == '/' || *str == '?') | |
| 3731 { | |
| 3732 str = skip_regexp(str + 1, *str, FALSE, NULL); | |
| 3733 if (*str != **pp) | |
| 3734 str = NULL; | |
| 3735 else | |
| 3736 ++str; | |
| 3737 } | |
| 3738 else | |
| 3739 str = NULL; | |
| 3740 if (str == NULL || *str != ';' | |
| 3741 || !(VIM_ISDIGIT(str[1]) || str[1] == '/' || str[1] == '?')) | |
| 3742 break; | |
| 3743 ++str; /* skip ';' */ | |
| 3744 } | |
| 3745 | |
| 3746 if (str != NULL && STRNCMP(str, ";\"", 2) == 0) | |
| 3747 { | |
| 3748 *pp = str; | |
| 3749 return OK; | |
| 3750 } | |
| 3751 return FAIL; | |
| 3752 } | |
| 3753 | |
| 3754 #if defined(FEAT_CMDL_COMPL) || defined(PROTO) | |
| 3755 int | |
| 3756 expand_tags(tagnames, pat, num_file, file) | |
| 3757 int tagnames; /* expand tag names */ | |
| 3758 char_u *pat; | |
| 3759 int *num_file; | |
| 3760 char_u ***file; | |
| 3761 { | |
| 3762 int i; | |
| 3763 int c; | |
| 3764 int tagnmflag; | |
| 3765 char_u tagnm[100]; | |
| 3766 tagptrs_T t_p; | |
| 3767 int ret; | |
| 3768 | |
| 3769 if (tagnames) | |
| 3770 tagnmflag = TAG_NAMES; | |
| 3771 else | |
| 3772 tagnmflag = 0; | |
| 3773 if (pat[0] == '/') | |
| 3774 ret = find_tags(pat + 1, num_file, file, | |
| 3775 TAG_REGEXP | tagnmflag | TAG_VERBOSE, | |
| 3776 TAG_MANY, curbuf->b_ffname); | |
| 3777 else | |
| 3778 ret = find_tags(pat, num_file, file, | |
| 3779 TAG_REGEXP | tagnmflag | TAG_VERBOSE | TAG_NOIC, | |
| 3780 TAG_MANY, curbuf->b_ffname); | |
| 3781 if (ret == OK && !tagnames) | |
| 3782 { | |
| 3783 /* Reorganize the tags for display and matching as strings of: | |
| 3784 * "<tagname>\0<kind>\0<filename>\0" | |
| 3785 */ | |
| 3786 for (i = 0; i < *num_file; i++) | |
| 3787 { | |
| 3788 parse_match((*file)[i], &t_p); | |
| 3789 c = (int)(t_p.tagname_end - t_p.tagname); | |
| 3790 mch_memmove(tagnm, t_p.tagname, (size_t)c); | |
| 3791 tagnm[c++] = 0; | |
| 3792 tagnm[c++] = (t_p.tagkind != NULL && *t_p.tagkind) | |
| 3793 ? *t_p.tagkind : 'f'; | |
| 3794 tagnm[c++] = 0; | |
| 3795 mch_memmove((*file)[i] + c, t_p.fname, t_p.fname_end - t_p.fname); | |
| 3796 (*file)[i][c + (t_p.fname_end - t_p.fname)] = 0; | |
| 3797 mch_memmove((*file)[i], tagnm, (size_t)c); | |
| 3798 } | |
| 3799 } | |
| 3800 return ret; | |
| 3801 } | |
| 3802 #endif | |
| 179 | 3803 |
| 3804 #if defined(FEAT_EVAL) || defined(PROTO) | |
| 3805 static int add_tag_field __ARGS((dict_T *dict, char *field_name, char_u *start, char_u *end)); | |
| 3806 | |
| 3807 /* | |
| 2185 | 3808 * Add a tag field to the dictionary "dict". |
| 3809 * Return OK or FAIL. | |
| 179 | 3810 */ |
| 3811 static int | |
| 3812 add_tag_field(dict, field_name, start, end) | |
| 3813 dict_T *dict; | |
| 3814 char *field_name; | |
| 211 | 3815 char_u *start; /* start of the value */ |
| 3816 char_u *end; /* after the value; can be NULL */ | |
| 179 | 3817 { |
| 2770 | 3818 char_u *buf; |
| 188 | 3819 int len = 0; |
| 2770 | 3820 int retval; |
| 179 | 3821 |
| 2185 | 3822 /* check that the field name doesn't exist yet */ |
| 3823 if (dict_find(dict, (char_u *)field_name, -1) != NULL) | |
| 3824 { | |
| 3825 if (p_verbose > 0) | |
| 3826 { | |
| 3827 verbose_enter(); | |
| 3828 smsg((char_u *)_("Duplicate field name: %s"), field_name); | |
| 3829 verbose_leave(); | |
| 3830 } | |
| 3831 return FAIL; | |
| 3832 } | |
| 2770 | 3833 buf = alloc(MAXPATHL); |
| 3834 if (buf == NULL) | |
| 3835 return FAIL; | |
| 188 | 3836 if (start != NULL) |
| 3837 { | |
| 211 | 3838 if (end == NULL) |
| 3839 { | |
| 3840 end = start + STRLEN(start); | |
| 3841 while (end > start && (end[-1] == '\r' || end[-1] == '\n')) | |
| 3842 --end; | |
| 3843 } | |
| 835 | 3844 len = (int)(end - start); |
| 2770 | 3845 if (len > MAXPATHL - 1) |
| 3846 len = MAXPATHL - 1; | |
| 418 | 3847 vim_strncpy(buf, start, len); |
| 188 | 3848 } |
| 179 | 3849 buf[len] = NUL; |
| 2770 | 3850 retval = dict_add_nr_str(dict, field_name, 0L, buf); |
| 3851 vim_free(buf); | |
| 3852 return retval; | |
| 179 | 3853 } |
| 3854 | |
| 3855 /* | |
| 3856 * Add the tags matching the specified pattern to the list "list" | |
| 3857 * as a dictionary | |
| 3858 */ | |
| 3859 int | |
| 3860 get_tags(list, pat) | |
| 3861 list_T *list; | |
| 3862 char_u *pat; | |
| 3863 { | |
| 3864 int num_matches, i, ret; | |
| 3865 char_u **matches, *p; | |
| 970 | 3866 char_u *full_fname; |
| 179 | 3867 dict_T *dict; |
| 3868 tagptrs_T tp; | |
| 3869 long is_static; | |
| 3870 | |
| 3871 ret = find_tags(pat, &num_matches, &matches, | |
| 3872 TAG_REGEXP | TAG_NOIC, (int)MAXCOL, NULL); | |
| 3873 if (ret == OK && num_matches > 0) | |
| 3874 { | |
| 3875 for (i = 0; i < num_matches; ++i) | |
| 3876 { | |
| 188 | 3877 parse_match(matches[i], &tp); |
| 3878 is_static = test_for_static(&tp); | |
| 3879 | |
| 3880 /* Skip pseudo-tag lines. */ | |
| 3881 if (STRNCMP(tp.tagname, "!_TAG_", 6) == 0) | |
| 3882 continue; | |
| 3883 | |
| 179 | 3884 if ((dict = dict_alloc()) == NULL) |
| 3885 ret = FAIL; | |
| 3886 if (list_append_dict(list, dict) == FAIL) | |
| 3887 ret = FAIL; | |
| 3888 | |
| 970 | 3889 full_fname = tag_full_fname(&tp); |
| 179 | 3890 if (add_tag_field(dict, "name", tp.tagname, tp.tagname_end) == FAIL |
| 970 | 3891 || add_tag_field(dict, "filename", full_fname, |
| 3892 NULL) == FAIL | |
| 179 | 3893 || add_tag_field(dict, "cmd", tp.command, |
| 3894 tp.command_end) == FAIL | |
| 3895 || add_tag_field(dict, "kind", tp.tagkind, | |
| 3896 tp.tagkind_end) == FAIL | |
| 3897 || dict_add_nr_str(dict, "static", is_static, NULL) == FAIL) | |
| 3898 ret = FAIL; | |
| 3899 | |
| 970 | 3900 vim_free(full_fname); |
| 3901 | |
| 179 | 3902 if (tp.command_end != NULL) |
| 3903 { | |
| 3904 for (p = tp.command_end + 3; | |
| 3905 *p != NUL && *p != '\n' && *p != '\r'; ++p) | |
| 3906 { | |
| 3907 if (p == tp.tagkind || (p + 5 == tp.tagkind | |
| 3908 && STRNCMP(p, "kind:", 5) == 0)) | |
| 3909 /* skip "kind:<kind>" and "<kind>" */ | |
| 3910 p = tp.tagkind_end - 1; | |
| 3911 else if (STRNCMP(p, "file:", 5) == 0) | |
| 3912 /* skip "file:" (static tag) */ | |
| 3913 p += 4; | |
| 188 | 3914 else if (!vim_iswhite(*p)) |
| 179 | 3915 { |
| 3916 char_u *s, *n; | |
| 188 | 3917 int len; |
| 179 | 3918 |
| 799 | 3919 /* Add extra field as a dict entry. Fields are |
| 3920 * separated by Tabs. */ | |
| 179 | 3921 n = p; |
| 799 | 3922 while (*p != NUL && *p >= ' ' && *p < 127 && *p != ':') |
| 179 | 3923 ++p; |
| 835 | 3924 len = (int)(p - n); |
| 188 | 3925 if (*p == ':' && len > 0) |
| 3926 { | |
| 3927 s = ++p; | |
| 836 | 3928 while (*p != NUL && *p >= ' ') |
| 188 | 3929 ++p; |
| 3930 n[len] = NUL; | |
| 3931 if (add_tag_field(dict, (char *)n, s, p) == FAIL) | |
| 3932 ret = FAIL; | |
| 3933 n[len] = ':'; | |
| 3934 } | |
| 836 | 3935 else |
| 3936 /* Skip field without colon. */ | |
| 3937 while (*p != NUL && *p >= ' ') | |
| 3938 ++p; | |
| 1674 | 3939 if (*p == NUL) |
| 3940 break; | |
| 179 | 3941 } |
| 3942 } | |
| 3943 } | |
| 3944 | |
| 3945 vim_free(matches[i]); | |
| 3946 } | |
| 3947 vim_free(matches); | |
| 3948 } | |
| 3949 return ret; | |
| 3950 } | |
| 3951 #endif |