Mercurial > vim
annotate src/if_cscope.c @ 2666:1a0d346695fa v7.3.085
updated for version 7.3.085
Problem: Inconsistency with preproc symbols. void * computation.
Solution: Include vimio.h from vim.h. Add type cast.
| author | Bram Moolenaar <bram@vim.org> |
|---|---|
| date | Fri, 17 Dec 2010 18:06:06 +0100 |
| parents | 7c2e6ba1d702 |
| children | bfade53bcafb |
| rev | line source |
|---|---|
| 7 | 1 /* vi:set ts=8 sts=4 sw=4: |
| 2 * | |
| 3 * CSCOPE support for Vim added by Andy Kahn <kahn@zk3.dec.com> | |
| 148 | 4 * Ported to Win32 by Sergey Khorev <sergey.khorev@gmail.com> |
| 7 | 5 * |
| 6 * The basic idea/structure of cscope for Vim was borrowed from Nvi. There | |
| 7 * might be a few lines of code that look similar to what Nvi has. | |
| 8 * | |
| 9 * See README.txt for an overview of the Vim source code. | |
| 10 */ | |
| 11 | |
| 12 #include "vim.h" | |
| 13 | |
| 14 #if defined(FEAT_CSCOPE) || defined(PROTO) | |
| 15 | |
| 16 #include <string.h> | |
| 17 #include <errno.h> | |
| 18 #include <assert.h> | |
| 19 #include <sys/types.h> | |
| 20 #include <sys/stat.h> | |
| 21 #if defined(UNIX) | |
| 22 # include <sys/wait.h> | |
| 23 #endif | |
| 24 #include "if_cscope.h" | |
| 25 | |
| 26 static void cs_usage_msg __ARGS((csid_e x)); | |
| 27 static int cs_add __ARGS((exarg_T *eap)); | |
| 28 static void cs_stat_emsg __ARGS((char *fname)); | |
| 29 static int cs_add_common __ARGS((char *, char *, char *)); | |
| 30 static int cs_check_for_connections __ARGS((void)); | |
| 31 static int cs_check_for_tags __ARGS((void)); | |
| 32 static int cs_cnt_connections __ARGS((void)); | |
| 33 static void cs_reading_emsg __ARGS((int idx)); | |
| 34 static int cs_cnt_matches __ARGS((int idx)); | |
| 35 static char * cs_create_cmd __ARGS((char *csoption, char *pattern)); | |
| 36 static int cs_create_connection __ARGS((int i)); | |
| 37 static void do_cscope_general __ARGS((exarg_T *eap, int make_split)); | |
| 636 | 38 #ifdef FEAT_QUICKFIX |
| 7 | 39 static void cs_file_results __ARGS((FILE *, int *)); |
| 636 | 40 #endif |
| 7 | 41 static void cs_fill_results __ARGS((char *, int , int *, char ***, |
| 42 char ***, int *)); | |
| 43 static int cs_find __ARGS((exarg_T *eap)); | |
|
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parents:
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|
44 static int cs_find_common __ARGS((char *opt, char *pat, int, int, int, char_u *cmdline)); |
| 7 | 45 static int cs_help __ARGS((exarg_T *eap)); |
| 46 static void clear_csinfo __ARGS((int i)); | |
| 47 static int cs_insert_filelist __ARGS((char *, char *, char *, | |
| 48 struct stat *)); | |
| 49 static int cs_kill __ARGS((exarg_T *eap)); | |
| 50 static void cs_kill_execute __ARGS((int, char *)); | |
| 51 static cscmd_T * cs_lookup_cmd __ARGS((exarg_T *eap)); | |
| 52 static char * cs_make_vim_style_matches __ARGS((char *, char *, | |
| 53 char *, char *)); | |
| 54 static char * cs_manage_matches __ARGS((char **, char **, int, mcmd_e)); | |
| 55 static char * cs_parse_results __ARGS((int cnumber, char *buf, int bufsize, char **context, char **linenumber, char **search)); | |
| 56 static char * cs_pathcomponents __ARGS((char *path)); | |
| 57 static void cs_print_tags_priv __ARGS((char **, char **, int)); | |
| 1385 | 58 static int cs_read_prompt __ARGS((int)); |
| 7 | 59 static void cs_release_csp __ARGS((int, int freefnpp)); |
| 60 static int cs_reset __ARGS((exarg_T *eap)); | |
| 61 static char * cs_resolve_file __ARGS((int, char *)); | |
| 62 static int cs_show __ARGS((exarg_T *eap)); | |
| 63 | |
| 64 | |
| 1931 | 65 static csinfo_T * csinfo = NULL; |
| 66 static int csinfo_size = 0; /* number of items allocated in | |
| 67 csinfo[] */ | |
| 68 | |
| 1372 | 69 static int eap_arg_len; /* length of eap->arg, set in |
| 70 cs_lookup_cmd() */ | |
| 7 | 71 static cscmd_T cs_cmds[] = |
| 72 { | |
| 73 { "add", cs_add, | |
| 74 N_("Add a new database"), "add file|dir [pre-path] [flags]", 0 }, | |
| 75 { "find", cs_find, | |
| 1706 | 76 N_("Query for a pattern"), "find c|d|e|f|g|i|s|t name", 1 }, |
| 7 | 77 { "help", cs_help, |
| 78 N_("Show this message"), "help", 0 }, | |
| 79 { "kill", cs_kill, | |
| 80 N_("Kill a connection"), "kill #", 0 }, | |
| 81 { "reset", cs_reset, | |
| 82 N_("Reinit all connections"), "reset", 0 }, | |
| 83 { "show", cs_show, | |
| 84 N_("Show connections"), "show", 0 }, | |
| 1880 | 85 { NULL, NULL, NULL, NULL, 0 } |
| 7 | 86 }; |
| 87 | |
| 88 static void | |
| 89 cs_usage_msg(x) | |
| 90 csid_e x; | |
| 91 { | |
| 92 (void)EMSG2(_("E560: Usage: cs[cope] %s"), cs_cmds[(int)x].usage); | |
| 93 } | |
| 94 | |
| 1845 | 95 #if defined(FEAT_CMDL_COMPL) || defined(PROTO) |
| 96 | |
| 97 static enum | |
| 98 { | |
| 99 EXP_CSCOPE_SUBCMD, /* expand ":cscope" sub-commands */ | |
| 1858 | 100 EXP_SCSCOPE_SUBCMD, /* expand ":scscope" sub-commands */ |
| 1845 | 101 EXP_CSCOPE_FIND, /* expand ":cscope find" arguments */ |
| 102 EXP_CSCOPE_KILL /* expand ":cscope kill" arguments */ | |
| 103 } expand_what; | |
| 104 | |
| 105 /* | |
| 106 * Function given to ExpandGeneric() to obtain the cscope command | |
| 107 * expansion. | |
| 108 */ | |
| 109 char_u * | |
| 110 get_cscope_name(xp, idx) | |
| 1880 | 111 expand_T *xp UNUSED; |
| 1845 | 112 int idx; |
| 113 { | |
| 1858 | 114 int current_idx; |
| 115 int i; | |
| 116 | |
| 1845 | 117 switch (expand_what) |
| 118 { | |
| 119 case EXP_CSCOPE_SUBCMD: | |
| 120 /* Complete with sub-commands of ":cscope": | |
| 121 * add, find, help, kill, reset, show */ | |
| 122 return (char_u *)cs_cmds[idx].name; | |
| 1858 | 123 case EXP_SCSCOPE_SUBCMD: |
| 124 /* Complete with sub-commands of ":scscope": same sub-commands as | |
| 125 * ":cscope" but skip commands which don't support split windows */ | |
| 126 for (i = 0, current_idx = 0; cs_cmds[i].name != NULL; i++) | |
| 127 if (cs_cmds[i].cansplit) | |
| 128 if (current_idx++ == idx) | |
| 129 break; | |
| 130 return (char_u *)cs_cmds[i].name; | |
| 1845 | 131 case EXP_CSCOPE_FIND: |
| 132 { | |
| 133 const char *query_type[] = | |
| 134 { | |
| 135 "c", "d", "e", "f", "g", "i", "s", "t", NULL | |
| 136 }; | |
| 137 | |
| 138 /* Complete with query type of ":cscope find {query_type}". | |
| 139 * {query_type} can be letters (c, d, ... t) or numbers (0, 1, | |
| 140 * ..., 8) but only complete with letters, since numbers are | |
| 141 * redundant. */ | |
| 142 return (char_u *)query_type[idx]; | |
| 143 } | |
| 144 case EXP_CSCOPE_KILL: | |
| 145 { | |
| 1931 | 146 static char connection[5]; |
| 1845 | 147 |
| 148 /* ":cscope kill" accepts connection numbers or partial names of | |
| 149 * the pathname of the cscope database as argument. Only complete | |
| 150 * with connection numbers. -1 can also be used to kill all | |
| 151 * connections. */ | |
| 1931 | 152 for (i = 0, current_idx = 0; i < csinfo_size; i++) |
| 1845 | 153 { |
| 154 if (csinfo[i].fname == NULL) | |
| 155 continue; | |
| 156 if (current_idx++ == idx) | |
| 157 { | |
| 1931 | 158 vim_snprintf(connection, sizeof(connection), "%d", i); |
| 159 return (char_u *)connection; | |
| 1845 | 160 } |
| 161 } | |
| 162 return (current_idx == idx && idx > 0) ? (char_u *)"-1" : NULL; | |
| 163 } | |
| 164 default: | |
| 165 return NULL; | |
| 166 } | |
| 167 } | |
| 168 | |
| 169 /* | |
| 170 * Handle command line completion for :cscope command. | |
| 171 */ | |
| 172 void | |
| 1858 | 173 set_context_in_cscope_cmd(xp, arg, cmdidx) |
| 1845 | 174 expand_T *xp; |
| 175 char_u *arg; | |
| 1858 | 176 cmdidx_T cmdidx; |
| 1845 | 177 { |
| 178 char_u *p; | |
| 179 | |
| 180 /* Default: expand subcommands */ | |
| 181 xp->xp_context = EXPAND_CSCOPE; | |
| 182 xp->xp_pattern = arg; | |
| 1858 | 183 expand_what = (cmdidx == CMD_scscope) |
| 184 ? EXP_SCSCOPE_SUBCMD : EXP_CSCOPE_SUBCMD; | |
| 1845 | 185 |
| 186 /* (part of) subcommand already typed */ | |
| 187 if (*arg != NUL) | |
| 188 { | |
| 189 p = skiptowhite(arg); | |
| 190 if (*p != NUL) /* past first word */ | |
| 191 { | |
| 192 xp->xp_pattern = skipwhite(p); | |
| 193 if (*skiptowhite(xp->xp_pattern) != NUL) | |
| 194 xp->xp_context = EXPAND_NOTHING; | |
| 195 else if (STRNICMP(arg, "add", p - arg) == 0) | |
| 196 xp->xp_context = EXPAND_FILES; | |
| 197 else if (STRNICMP(arg, "kill", p - arg) == 0) | |
| 198 expand_what = EXP_CSCOPE_KILL; | |
| 199 else if (STRNICMP(arg, "find", p - arg) == 0) | |
| 200 expand_what = EXP_CSCOPE_FIND; | |
| 201 else | |
| 202 xp->xp_context = EXPAND_NOTHING; | |
| 203 } | |
| 204 } | |
| 205 } | |
| 206 | |
| 207 #endif /* FEAT_CMDL_COMPL */ | |
| 208 | |
| 7 | 209 /* |
| 210 * PRIVATE: do_cscope_general | |
| 211 * | |
| 1845 | 212 * Find the command, print help if invalid, and then call the corresponding |
| 213 * command function. | |
| 7 | 214 */ |
| 215 static void | |
| 216 do_cscope_general(eap, make_split) | |
| 217 exarg_T *eap; | |
| 218 int make_split; /* whether to split window */ | |
| 219 { | |
| 220 cscmd_T *cmdp; | |
| 221 | |
| 222 if ((cmdp = cs_lookup_cmd(eap)) == NULL) | |
| 223 { | |
| 224 cs_help(eap); | |
| 225 return; | |
| 226 } | |
| 227 | |
| 228 #ifdef FEAT_WINDOWS | |
| 229 if (make_split) | |
| 230 { | |
| 231 if (!cmdp->cansplit) | |
| 232 { | |
| 233 (void)MSG_PUTS(_("This cscope command does not support splitting the window.\n")); | |
| 234 return; | |
| 235 } | |
| 236 postponed_split = -1; | |
| 237 postponed_split_flags = cmdmod.split; | |
| 1090 | 238 postponed_split_tab = cmdmod.tab; |
| 7 | 239 } |
| 240 #endif | |
| 241 | |
| 242 cmdp->func(eap); | |
| 243 | |
| 244 #ifdef FEAT_WINDOWS | |
| 245 postponed_split_flags = 0; | |
| 1090 | 246 postponed_split_tab = 0; |
| 7 | 247 #endif |
| 248 } | |
| 249 | |
| 250 /* | |
| 251 * PUBLIC: do_cscope | |
| 252 */ | |
| 253 void | |
| 254 do_cscope(eap) | |
| 255 exarg_T *eap; | |
| 256 { | |
| 257 do_cscope_general(eap, FALSE); | |
| 258 } | |
| 259 | |
| 260 /* | |
| 261 * PUBLIC: do_scscope | |
| 262 * | |
| 263 * same as do_cscope, but splits window, too. | |
| 264 */ | |
| 265 void | |
| 266 do_scscope(eap) | |
| 267 exarg_T *eap; | |
| 268 { | |
| 269 do_cscope_general(eap, TRUE); | |
| 270 } | |
| 271 | |
| 272 /* | |
| 273 * PUBLIC: do_cstag | |
| 274 * | |
| 275 */ | |
| 276 void | |
| 277 do_cstag(eap) | |
| 278 exarg_T *eap; | |
| 279 { | |
| 280 int ret = FALSE; | |
| 281 | |
| 1621 | 282 if (*eap->arg == NUL) |
| 7 | 283 { |
| 284 (void)EMSG(_("E562: Usage: cstag <ident>")); | |
| 285 return; | |
| 286 } | |
| 287 | |
| 288 switch (p_csto) | |
| 289 { | |
| 290 case 0 : | |
| 291 if (cs_check_for_connections()) | |
| 292 { | |
| 665 | 293 ret = cs_find_common("g", (char *)(eap->arg), eap->forceit, FALSE, |
|
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68e394361ca3
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Bram Moolenaar <bram@vim.org>
parents:
2278
diff
changeset
|
294 FALSE, *eap->cmdlinep); |
| 7 | 295 if (ret == FALSE) |
| 296 { | |
| 297 cs_free_tags(); | |
| 298 if (msg_col) | |
| 299 msg_putchar('\n'); | |
| 300 | |
| 301 if (cs_check_for_tags()) | |
| 302 ret = do_tag(eap->arg, DT_JUMP, 0, eap->forceit, FALSE); | |
| 303 } | |
| 304 } | |
| 305 else if (cs_check_for_tags()) | |
| 306 { | |
| 307 ret = do_tag(eap->arg, DT_JUMP, 0, eap->forceit, FALSE); | |
| 308 } | |
| 309 break; | |
| 310 case 1 : | |
| 311 if (cs_check_for_tags()) | |
| 312 { | |
| 313 ret = do_tag(eap->arg, DT_JUMP, 0, eap->forceit, FALSE); | |
| 314 if (ret == FALSE) | |
| 315 { | |
| 316 if (msg_col) | |
| 317 msg_putchar('\n'); | |
| 318 | |
| 319 if (cs_check_for_connections()) | |
| 320 { | |
| 321 ret = cs_find_common("g", (char *)(eap->arg), eap->forceit, | |
|
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68e394361ca3
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Bram Moolenaar <bram@vim.org>
parents:
2278
diff
changeset
|
322 FALSE, FALSE, *eap->cmdlinep); |
| 7 | 323 if (ret == FALSE) |
| 324 cs_free_tags(); | |
| 325 } | |
| 326 } | |
| 327 } | |
| 328 else if (cs_check_for_connections()) | |
| 329 { | |
| 665 | 330 ret = cs_find_common("g", (char *)(eap->arg), eap->forceit, FALSE, |
|
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68e394361ca3
Add "q" item for 'statusline'. Add w:quickfix_title. (Lech Lorens)
Bram Moolenaar <bram@vim.org>
parents:
2278
diff
changeset
|
331 FALSE, *eap->cmdlinep); |
| 7 | 332 if (ret == FALSE) |
| 333 cs_free_tags(); | |
| 334 } | |
| 335 break; | |
| 336 default : | |
| 337 break; | |
| 338 } | |
| 339 | |
| 340 if (!ret) | |
| 341 { | |
| 342 (void)EMSG(_("E257: cstag: tag not found")); | |
| 343 #if defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX) | |
| 344 g_do_tagpreview = 0; | |
| 345 #endif | |
| 346 } | |
| 347 | |
| 348 } /* do_cscope */ | |
| 349 | |
| 350 | |
| 351 /* | |
| 352 * PUBLIC: cs_find | |
| 353 * | |
| 354 * this simulates a vim_fgets(), but for cscope, returns the next line | |
| 355 * from the cscope output. should only be called from find_tags() | |
| 356 * | |
| 357 * returns TRUE if eof, FALSE otherwise | |
| 358 */ | |
| 359 int | |
| 360 cs_fgets(buf, size) | |
| 361 char_u *buf; | |
| 362 int size; | |
| 363 { | |
| 364 char *p; | |
| 365 | |
| 366 if ((p = cs_manage_matches(NULL, NULL, -1, Get)) == NULL) | |
| 367 return TRUE; | |
| 1372 | 368 vim_strncpy(buf, (char_u *)p, size - 1); |
| 7 | 369 |
| 370 return FALSE; | |
| 371 } /* cs_fgets */ | |
| 372 | |
| 373 | |
| 374 /* | |
| 375 * PUBLIC: cs_free_tags | |
| 376 * | |
| 377 * called only from do_tag(), when popping the tag stack | |
| 378 */ | |
| 379 void | |
| 380 cs_free_tags() | |
| 381 { | |
| 382 cs_manage_matches(NULL, NULL, -1, Free); | |
| 383 } | |
| 384 | |
| 385 | |
| 386 /* | |
| 387 * PUBLIC: cs_print_tags | |
| 388 * | |
| 389 * called from do_tag() | |
| 390 */ | |
| 391 void | |
| 392 cs_print_tags() | |
| 393 { | |
| 394 cs_manage_matches(NULL, NULL, -1, Print); | |
| 395 } | |
| 396 | |
| 397 | |
| 398 /* | |
| 399 * "cscope_connection([{num} , {dbpath} [, {prepend}]])" function | |
| 400 * | |
| 401 * Checks for the existence of a |cscope| connection. If no | |
| 402 * parameters are specified, then the function returns: | |
| 403 * | |
| 404 * 0, if cscope was not available (not compiled in), or if there | |
| 405 * are no cscope connections; or | |
| 406 * 1, if there is at least one cscope connection. | |
| 407 * | |
| 408 * If parameters are specified, then the value of {num} | |
| 409 * determines how existence of a cscope connection is checked: | |
| 410 * | |
| 411 * {num} Description of existence check | |
| 412 * ----- ------------------------------ | |
| 413 * 0 Same as no parameters (e.g., "cscope_connection()"). | |
| 414 * 1 Ignore {prepend}, and use partial string matches for | |
| 415 * {dbpath}. | |
| 416 * 2 Ignore {prepend}, and use exact string matches for | |
| 417 * {dbpath}. | |
| 418 * 3 Use {prepend}, use partial string matches for both | |
| 419 * {dbpath} and {prepend}. | |
| 420 * 4 Use {prepend}, use exact string matches for both | |
| 421 * {dbpath} and {prepend}. | |
| 422 * | |
| 423 * Note: All string comparisons are case sensitive! | |
| 424 */ | |
| 425 #if defined(FEAT_EVAL) || defined(PROTO) | |
| 426 int | |
| 427 cs_connection(num, dbpath, ppath) | |
| 428 int num; | |
| 429 char_u *dbpath; | |
| 430 char_u *ppath; | |
| 431 { | |
| 432 int i; | |
| 433 | |
| 434 if (num < 0 || num > 4 || (num > 0 && !dbpath)) | |
| 435 return FALSE; | |
| 436 | |
| 1931 | 437 for (i = 0; i < csinfo_size; i++) |
| 7 | 438 { |
| 439 if (!csinfo[i].fname) | |
| 440 continue; | |
| 441 | |
| 442 if (num == 0) | |
| 443 return TRUE; | |
| 444 | |
| 445 switch (num) | |
| 446 { | |
| 447 case 1: | |
| 448 if (strstr(csinfo[i].fname, (char *)dbpath)) | |
| 449 return TRUE; | |
| 450 break; | |
| 451 case 2: | |
| 452 if (strcmp(csinfo[i].fname, (char *)dbpath) == 0) | |
| 453 return TRUE; | |
| 454 break; | |
| 455 case 3: | |
| 456 if (strstr(csinfo[i].fname, (char *)dbpath) | |
| 457 && ((!ppath && !csinfo[i].ppath) | |
| 458 || (ppath | |
| 459 && csinfo[i].ppath | |
| 460 && strstr(csinfo[i].ppath, (char *)ppath)))) | |
| 461 return TRUE; | |
| 462 break; | |
| 463 case 4: | |
| 464 if ((strcmp(csinfo[i].fname, (char *)dbpath) == 0) | |
| 465 && ((!ppath && !csinfo[i].ppath) | |
| 466 || (ppath | |
| 467 && csinfo[i].ppath | |
| 468 && (strcmp(csinfo[i].ppath, (char *)ppath) == 0)))) | |
| 469 return TRUE; | |
| 470 break; | |
| 471 } | |
| 472 } | |
| 473 | |
| 474 return FALSE; | |
| 475 } /* cs_connection */ | |
| 476 #endif | |
| 477 | |
| 478 | |
| 479 /* | |
| 480 * PRIVATE functions | |
| 481 ****************************************************************************/ | |
| 482 | |
| 483 /* | |
| 484 * PRIVATE: cs_add | |
| 485 * | |
| 486 * add cscope database or a directory name (to look for cscope.out) | |
| 1372 | 487 * to the cscope connection list |
| 7 | 488 * |
| 489 * MAXPATHL 256 | |
| 490 */ | |
| 491 static int | |
| 492 cs_add(eap) | |
| 1880 | 493 exarg_T *eap UNUSED; |
| 7 | 494 { |
| 495 char *fname, *ppath, *flags = NULL; | |
| 496 | |
| 497 if ((fname = strtok((char *)NULL, (const char *)" ")) == NULL) | |
| 498 { | |
| 499 cs_usage_msg(Add); | |
| 500 return CSCOPE_FAILURE; | |
| 501 } | |
| 502 if ((ppath = strtok((char *)NULL, (const char *)" ")) != NULL) | |
| 503 flags = strtok((char *)NULL, (const char *)" "); | |
| 504 | |
| 505 return cs_add_common(fname, ppath, flags); | |
| 506 } | |
| 507 | |
| 508 static void | |
| 509 cs_stat_emsg(fname) | |
| 510 char *fname; | |
| 511 { | |
| 512 char *stat_emsg = _("E563: stat(%s) error: %d"); | |
| 513 char *buf = (char *)alloc((unsigned)strlen(stat_emsg) + MAXPATHL + 10); | |
| 514 | |
| 515 if (buf != NULL) | |
| 516 { | |
| 517 (void)sprintf(buf, stat_emsg, fname, errno); | |
| 518 (void)EMSG(buf); | |
| 519 vim_free(buf); | |
| 520 } | |
| 521 else | |
| 522 (void)EMSG(_("E563: stat error")); | |
| 523 } | |
| 524 | |
| 525 | |
| 526 /* | |
| 527 * PRIVATE: cs_add_common | |
| 528 * | |
| 529 * the common routine to add a new cscope connection. called by | |
| 530 * cs_add() and cs_reset(). i really don't like to do this, but this | |
| 531 * routine uses a number of goto statements. | |
| 532 */ | |
| 533 static int | |
| 534 cs_add_common(arg1, arg2, flags) | |
| 535 char *arg1; /* filename - may contain environment variables */ | |
| 536 char *arg2; /* prepend path - may contain environment variables */ | |
| 537 char *flags; | |
| 538 { | |
| 539 struct stat statbuf; | |
| 12 | 540 int ret; |
| 541 char *fname = NULL; | |
| 542 char *fname2 = NULL; | |
| 543 char *ppath = NULL; | |
| 544 int i; | |
| 7 | 545 |
| 546 /* get the filename (arg1), expand it, and try to stat it */ | |
| 12 | 547 if ((fname = (char *)alloc(MAXPATHL + 1)) == NULL) |
| 7 | 548 goto add_err; |
| 549 | |
| 550 expand_env((char_u *)arg1, (char_u *)fname, MAXPATHL); | |
| 551 ret = stat(fname, &statbuf); | |
| 552 if (ret < 0) | |
| 553 { | |
| 554 staterr: | |
| 555 if (p_csverbose) | |
| 556 cs_stat_emsg(fname); | |
| 557 goto add_err; | |
| 558 } | |
| 559 | |
| 560 /* get the prepend path (arg2), expand it, and try to stat it */ | |
| 561 if (arg2 != NULL) | |
| 562 { | |
| 563 struct stat statbuf2; | |
| 564 | |
| 12 | 565 if ((ppath = (char *)alloc(MAXPATHL + 1)) == NULL) |
| 7 | 566 goto add_err; |
| 567 | |
| 568 expand_env((char_u *)arg2, (char_u *)ppath, MAXPATHL); | |
| 569 ret = stat(ppath, &statbuf2); | |
| 570 if (ret < 0) | |
| 571 goto staterr; | |
| 572 } | |
| 573 | |
| 574 /* if filename is a directory, append the cscope database name to it */ | |
| 575 if ((statbuf.st_mode & S_IFMT) == S_IFDIR) | |
| 576 { | |
| 835 | 577 fname2 = (char *)alloc((unsigned)(strlen(CSCOPE_DBFILE) + strlen(fname) + 2)); |
| 7 | 578 if (fname2 == NULL) |
| 579 goto add_err; | |
| 580 | |
| 581 while (fname[strlen(fname)-1] == '/' | |
| 582 #ifdef WIN32 | |
| 583 || fname[strlen(fname)-1] == '\\' | |
| 584 #endif | |
| 585 ) | |
| 586 { | |
| 587 fname[strlen(fname)-1] = '\0'; | |
|
2278
0b3be97064e5
Various small fixes from Dominique Pelle.
Bram Moolenaar <bram@vim.org>
parents:
2151
diff
changeset
|
588 if (fname[0] == '\0') |
| 7 | 589 break; |
| 590 } | |
| 591 if (fname[0] == '\0') | |
| 592 (void)sprintf(fname2, "/%s", CSCOPE_DBFILE); | |
| 593 else | |
| 594 (void)sprintf(fname2, "%s/%s", fname, CSCOPE_DBFILE); | |
| 595 | |
| 596 ret = stat(fname2, &statbuf); | |
| 597 if (ret < 0) | |
| 598 { | |
| 599 if (p_csverbose) | |
| 600 cs_stat_emsg(fname2); | |
| 601 goto add_err; | |
| 602 } | |
| 603 | |
| 604 i = cs_insert_filelist(fname2, ppath, flags, &statbuf); | |
| 605 } | |
| 606 #if defined(UNIX) | |
| 607 else if (S_ISREG(statbuf.st_mode) || S_ISLNK(statbuf.st_mode)) | |
| 608 #else | |
| 1385 | 609 /* WIN32 - substitute define S_ISREG from os_unix.h */ |
| 7 | 610 else if (((statbuf.st_mode) & S_IFMT) == S_IFREG) |
| 611 #endif | |
| 612 { | |
| 613 i = cs_insert_filelist(fname, ppath, flags, &statbuf); | |
| 614 } | |
| 615 else | |
| 616 { | |
| 617 if (p_csverbose) | |
| 618 (void)EMSG2( | |
| 619 _("E564: %s is not a directory or a valid cscope database"), | |
| 620 fname); | |
| 621 goto add_err; | |
| 622 } | |
| 623 | |
| 624 if (i != -1) | |
| 625 { | |
| 626 if (cs_create_connection(i) == CSCOPE_FAILURE | |
| 627 || cs_read_prompt(i) == CSCOPE_FAILURE) | |
| 628 { | |
| 629 cs_release_csp(i, TRUE); | |
| 630 goto add_err; | |
| 631 } | |
| 632 | |
| 633 if (p_csverbose) | |
| 634 { | |
| 635 msg_clr_eos(); | |
| 636 (void)smsg_attr(hl_attr(HLF_R), | |
| 637 (char_u *)_("Added cscope database %s"), | |
| 638 csinfo[i].fname); | |
| 639 } | |
| 640 } | |
| 641 | |
| 642 vim_free(fname); | |
| 643 vim_free(fname2); | |
| 644 vim_free(ppath); | |
| 645 return CSCOPE_SUCCESS; | |
| 646 | |
| 647 add_err: | |
| 648 vim_free(fname2); | |
| 649 vim_free(fname); | |
| 650 vim_free(ppath); | |
| 651 return CSCOPE_FAILURE; | |
| 652 } /* cs_add_common */ | |
| 653 | |
| 654 | |
| 655 static int | |
| 656 cs_check_for_connections() | |
| 657 { | |
| 658 return (cs_cnt_connections() > 0); | |
| 659 } /* cs_check_for_connections */ | |
| 660 | |
| 661 | |
| 662 static int | |
| 663 cs_check_for_tags() | |
| 664 { | |
| 301 | 665 return (p_tags[0] != NUL && curbuf->b_p_tags != NULL); |
| 7 | 666 } /* cs_check_for_tags */ |
| 667 | |
| 668 | |
| 669 /* | |
| 670 * PRIVATE: cs_cnt_connections | |
| 671 * | |
| 672 * count the number of cscope connections | |
| 673 */ | |
| 674 static int | |
| 675 cs_cnt_connections() | |
| 676 { | |
| 677 short i; | |
| 678 short cnt = 0; | |
| 679 | |
| 1931 | 680 for (i = 0; i < csinfo_size; i++) |
| 7 | 681 { |
| 682 if (csinfo[i].fname != NULL) | |
| 683 cnt++; | |
| 684 } | |
| 685 return cnt; | |
| 686 } /* cs_cnt_connections */ | |
| 687 | |
| 688 static void | |
| 689 cs_reading_emsg(idx) | |
| 690 int idx; /* connection index */ | |
| 691 { | |
| 692 EMSGN(_("E262: error reading cscope connection %ld"), idx); | |
| 693 } | |
| 694 | |
| 695 #define CSREAD_BUFSIZE 2048 | |
| 696 /* | |
| 697 * PRIVATE: cs_cnt_matches | |
| 698 * | |
| 699 * count the number of matches for a given cscope connection. | |
| 700 */ | |
| 701 static int | |
| 702 cs_cnt_matches(idx) | |
| 703 int idx; | |
| 704 { | |
| 705 char *stok; | |
| 706 char *buf; | |
| 707 int nlines; | |
| 708 | |
| 709 buf = (char *)alloc(CSREAD_BUFSIZE); | |
| 710 if (buf == NULL) | |
| 711 return 0; | |
| 712 for (;;) | |
| 713 { | |
| 714 if (!fgets(buf, CSREAD_BUFSIZE, csinfo[idx].fr_fp)) | |
| 715 { | |
| 716 if (feof(csinfo[idx].fr_fp)) | |
| 717 errno = EIO; | |
| 718 | |
| 719 cs_reading_emsg(idx); | |
| 720 | |
| 721 vim_free(buf); | |
| 722 return -1; | |
| 723 } | |
| 724 | |
| 725 /* | |
| 726 * If the database is out of date, or there's some other problem, | |
| 727 * cscope will output error messages before the number-of-lines output. | |
| 728 * Display/discard any output that doesn't match what we want. | |
| 1058 | 729 * Accept "\S*cscope: X lines", also matches "mlcscope". |
| 7 | 730 */ |
| 731 if ((stok = strtok(buf, (const char *)" ")) == NULL) | |
| 732 continue; | |
| 1058 | 733 if (strstr((const char *)stok, "cscope:") == NULL) |
| 7 | 734 continue; |
| 735 | |
| 736 if ((stok = strtok(NULL, (const char *)" ")) == NULL) | |
| 737 continue; | |
| 738 nlines = atoi(stok); | |
| 739 if (nlines < 0) | |
| 740 { | |
| 741 nlines = 0; | |
| 742 break; | |
| 743 } | |
| 744 | |
| 745 if ((stok = strtok(NULL, (const char *)" ")) == NULL) | |
| 746 continue; | |
| 747 if (strncmp((const char *)stok, "lines", 5)) | |
| 748 continue; | |
| 749 | |
| 750 break; | |
| 751 } | |
| 752 | |
| 753 vim_free(buf); | |
| 754 return nlines; | |
| 755 } /* cs_cnt_matches */ | |
| 756 | |
| 757 | |
| 758 /* | |
| 759 * PRIVATE: cs_create_cmd | |
| 760 * | |
| 761 * Creates the actual cscope command query from what the user entered. | |
| 762 */ | |
| 763 static char * | |
| 764 cs_create_cmd(csoption, pattern) | |
| 765 char *csoption; | |
| 766 char *pattern; | |
| 767 { | |
| 768 char *cmd; | |
| 769 short search; | |
| 1847 | 770 char *pat; |
| 7 | 771 |
| 772 switch (csoption[0]) | |
| 773 { | |
| 774 case '0' : case 's' : | |
| 775 search = 0; | |
| 776 break; | |
| 777 case '1' : case 'g' : | |
| 778 search = 1; | |
| 779 break; | |
| 780 case '2' : case 'd' : | |
| 781 search = 2; | |
| 782 break; | |
| 783 case '3' : case 'c' : | |
| 784 search = 3; | |
| 785 break; | |
| 786 case '4' : case 't' : | |
| 787 search = 4; | |
| 788 break; | |
| 789 case '6' : case 'e' : | |
| 790 search = 6; | |
| 791 break; | |
| 792 case '7' : case 'f' : | |
| 793 search = 7; | |
| 794 break; | |
| 795 case '8' : case 'i' : | |
| 796 search = 8; | |
| 797 break; | |
| 798 default : | |
| 799 (void)EMSG(_("E561: unknown cscope search type")); | |
| 800 cs_usage_msg(Find); | |
| 801 return NULL; | |
| 802 } | |
| 803 | |
| 1847 | 804 /* Skip white space before the patter, except for text and pattern search, |
| 805 * they may want to use the leading white space. */ | |
| 806 pat = pattern; | |
| 807 if (search != 4 && search != 6) | |
| 808 while vim_iswhite(*pat) | |
| 809 ++pat; | |
| 810 | |
| 811 if ((cmd = (char *)alloc((unsigned)(strlen(pat) + 2))) == NULL) | |
| 7 | 812 return NULL; |
| 813 | |
| 1847 | 814 (void)sprintf(cmd, "%d%s", search, pat); |
| 7 | 815 |
| 816 return cmd; | |
| 817 } /* cs_create_cmd */ | |
| 818 | |
| 819 | |
| 820 /* | |
| 821 * PRIVATE: cs_create_connection | |
| 822 * | |
| 823 * This piece of code was taken/adapted from nvi. do we need to add | |
| 824 * the BSD license notice? | |
| 825 */ | |
| 826 static int | |
| 827 cs_create_connection(i) | |
| 828 int i; | |
| 829 { | |
| 1385 | 830 #ifdef UNIX |
| 831 int to_cs[2], from_cs[2]; | |
| 832 #endif | |
| 833 int len; | |
| 834 char *prog, *cmd, *ppath = NULL; | |
| 835 #ifdef WIN32 | |
| 836 int fd; | |
| 837 SECURITY_ATTRIBUTES sa; | |
| 838 PROCESS_INFORMATION pi; | |
| 839 STARTUPINFO si; | |
| 840 BOOL pipe_stdin = FALSE, pipe_stdout = FALSE; | |
| 841 HANDLE stdin_rd, stdout_rd; | |
| 842 HANDLE stdout_wr, stdin_wr; | |
| 843 BOOL created; | |
| 1393 | 844 # ifdef __BORLANDC__ |
| 845 # define OPEN_OH_ARGTYPE long | |
| 846 # else | |
| 847 # if (_MSC_VER >= 1300) | |
| 848 # define OPEN_OH_ARGTYPE intptr_t | |
| 849 # else | |
| 850 # define OPEN_OH_ARGTYPE long | |
| 851 # endif | |
| 852 # endif | |
| 7 | 853 #endif |
| 854 | |
| 1385 | 855 #if defined(UNIX) |
| 7 | 856 /* |
| 857 * Cscope reads from to_cs[0] and writes to from_cs[1]; vi reads from | |
| 858 * from_cs[0] and writes to to_cs[1]. | |
| 859 */ | |
| 860 to_cs[0] = to_cs[1] = from_cs[0] = from_cs[1] = -1; | |
| 861 if (pipe(to_cs) < 0 || pipe(from_cs) < 0) | |
| 862 { | |
| 863 (void)EMSG(_("E566: Could not create cscope pipes")); | |
| 864 err_closing: | |
| 865 if (to_cs[0] != -1) | |
| 866 (void)close(to_cs[0]); | |
| 867 if (to_cs[1] != -1) | |
| 868 (void)close(to_cs[1]); | |
| 869 if (from_cs[0] != -1) | |
| 870 (void)close(from_cs[0]); | |
| 871 if (from_cs[1] != -1) | |
| 872 (void)close(from_cs[1]); | |
| 873 return CSCOPE_FAILURE; | |
| 874 } | |
| 875 | |
| 876 switch (csinfo[i].pid = fork()) | |
| 877 { | |
| 878 case -1: | |
| 879 (void)EMSG(_("E622: Could not fork for cscope")); | |
| 880 goto err_closing; | |
| 881 case 0: /* child: run cscope. */ | |
| 882 if (dup2(to_cs[0], STDIN_FILENO) == -1) | |
| 883 PERROR("cs_create_connection 1"); | |
| 884 if (dup2(from_cs[1], STDOUT_FILENO) == -1) | |
| 885 PERROR("cs_create_connection 2"); | |
| 886 if (dup2(from_cs[1], STDERR_FILENO) == -1) | |
| 887 PERROR("cs_create_connection 3"); | |
| 888 | |
| 889 /* close unused */ | |
| 890 (void)close(to_cs[1]); | |
| 891 (void)close(from_cs[0]); | |
| 892 #else | |
| 1385 | 893 /* WIN32 */ |
| 894 /* Create pipes to communicate with cscope */ | |
| 895 sa.nLength = sizeof(SECURITY_ATTRIBUTES); | |
| 896 sa.bInheritHandle = TRUE; | |
| 897 sa.lpSecurityDescriptor = NULL; | |
| 898 | |
| 899 if (!(pipe_stdin = CreatePipe(&stdin_rd, &stdin_wr, &sa, 0)) | |
| 900 || !(pipe_stdout = CreatePipe(&stdout_rd, &stdout_wr, &sa, 0))) | |
| 901 { | |
| 902 (void)EMSG(_("E566: Could not create cscope pipes")); | |
| 903 err_closing: | |
| 904 if (pipe_stdin) | |
| 905 { | |
| 906 CloseHandle(stdin_rd); | |
| 907 CloseHandle(stdin_wr); | |
| 908 } | |
| 909 if (pipe_stdout) | |
| 910 { | |
| 911 CloseHandle(stdout_rd); | |
| 912 CloseHandle(stdout_wr); | |
| 913 } | |
| 914 return CSCOPE_FAILURE; | |
| 915 } | |
| 7 | 916 #endif |
| 917 /* expand the cscope exec for env var's */ | |
| 918 if ((prog = (char *)alloc(MAXPATHL + 1)) == NULL) | |
| 919 { | |
| 920 #ifdef UNIX | |
| 921 return CSCOPE_FAILURE; | |
| 922 #else | |
| 1385 | 923 /* WIN32 */ |
| 7 | 924 goto err_closing; |
| 925 #endif | |
| 926 } | |
| 927 expand_env((char_u *)p_csprg, (char_u *)prog, MAXPATHL); | |
| 928 | |
| 929 /* alloc space to hold the cscope command */ | |
| 835 | 930 len = (int)(strlen(prog) + strlen(csinfo[i].fname) + 32); |
| 7 | 931 if (csinfo[i].ppath) |
| 932 { | |
| 933 /* expand the prepend path for env var's */ | |
| 934 if ((ppath = (char *)alloc(MAXPATHL + 1)) == NULL) | |
| 935 { | |
| 936 vim_free(prog); | |
| 937 #ifdef UNIX | |
| 938 return CSCOPE_FAILURE; | |
| 939 #else | |
| 1385 | 940 /* WIN32 */ |
| 7 | 941 goto err_closing; |
| 942 #endif | |
| 943 } | |
| 944 expand_env((char_u *)csinfo[i].ppath, (char_u *)ppath, MAXPATHL); | |
| 945 | |
| 835 | 946 len += (int)strlen(ppath); |
| 7 | 947 } |
| 948 | |
| 949 if (csinfo[i].flags) | |
| 835 | 950 len += (int)strlen(csinfo[i].flags); |
| 7 | 951 |
| 952 if ((cmd = (char *)alloc(len)) == NULL) | |
| 953 { | |
| 954 vim_free(prog); | |
| 955 vim_free(ppath); | |
| 956 #ifdef UNIX | |
| 957 return CSCOPE_FAILURE; | |
| 958 #else | |
| 1385 | 959 /* WIN32 */ |
| 7 | 960 goto err_closing; |
| 961 #endif | |
| 962 } | |
| 963 | |
| 964 /* run the cscope command; is there execl for non-unix systems? */ | |
| 965 #if defined(UNIX) | |
| 966 (void)sprintf(cmd, "exec %s -dl -f %s", prog, csinfo[i].fname); | |
| 967 #else | |
| 1385 | 968 /* WIN32 */ |
| 7 | 969 (void)sprintf(cmd, "%s -dl -f %s", prog, csinfo[i].fname); |
| 970 #endif | |
| 971 if (csinfo[i].ppath != NULL) | |
| 972 { | |
| 973 (void)strcat(cmd, " -P"); | |
| 974 (void)strcat(cmd, csinfo[i].ppath); | |
| 975 } | |
| 976 if (csinfo[i].flags != NULL) | |
| 977 { | |
| 978 (void)strcat(cmd, " "); | |
| 979 (void)strcat(cmd, csinfo[i].flags); | |
| 980 } | |
| 981 # ifdef UNIX | |
| 982 /* on Win32 we still need prog */ | |
| 983 vim_free(prog); | |
| 984 # endif | |
| 985 vim_free(ppath); | |
| 986 | |
| 987 #if defined(UNIX) | |
| 1878 | 988 if (execl("/bin/sh", "sh", "-c", cmd, (char *)NULL) == -1) |
| 7 | 989 PERROR(_("cs_create_connection exec failed")); |
| 990 | |
| 991 exit(127); | |
| 992 /* NOTREACHED */ | |
| 993 default: /* parent. */ | |
| 994 /* | |
| 995 * Save the file descriptors for later duplication, and | |
| 996 * reopen as streams. | |
| 997 */ | |
| 998 if ((csinfo[i].to_fp = fdopen(to_cs[1], "w")) == NULL) | |
| 999 PERROR(_("cs_create_connection: fdopen for to_fp failed")); | |
| 1000 if ((csinfo[i].fr_fp = fdopen(from_cs[0], "r")) == NULL) | |
| 1001 PERROR(_("cs_create_connection: fdopen for fr_fp failed")); | |
| 1002 | |
| 1003 /* close unused */ | |
| 1004 (void)close(to_cs[0]); | |
| 1005 (void)close(from_cs[1]); | |
| 1006 | |
| 1007 break; | |
| 1008 } | |
| 1385 | 1009 |
| 7 | 1010 #else |
| 1385 | 1011 /* WIN32 */ |
| 1012 /* Create a new process to run cscope and use pipes to talk with it */ | |
| 1013 GetStartupInfo(&si); | |
| 1014 si.dwFlags = STARTF_USESTDHANDLES | STARTF_USESHOWWINDOW; | |
| 1015 si.wShowWindow = SW_HIDE; /* Hide child application window */ | |
| 1016 si.hStdOutput = stdout_wr; | |
| 1017 si.hStdError = stdout_wr; | |
| 1018 si.hStdInput = stdin_rd; | |
| 1019 created = CreateProcess(NULL, cmd, NULL, NULL, TRUE, CREATE_NEW_CONSOLE, | |
| 1020 NULL, NULL, &si, &pi); | |
| 1021 vim_free(prog); | |
| 1022 vim_free(cmd); | |
| 1023 | |
| 1024 if (!created) | |
| 1025 { | |
| 1026 PERROR(_("cs_create_connection exec failed")); | |
| 1027 (void)EMSG(_("E623: Could not spawn cscope process")); | |
| 1028 goto err_closing; | |
| 1029 } | |
| 1030 /* else */ | |
| 1031 csinfo[i].pid = pi.dwProcessId; | |
| 1032 csinfo[i].hProc = pi.hProcess; | |
| 1033 CloseHandle(pi.hThread); | |
| 1034 | |
| 1035 /* TODO - tidy up after failure to create files on pipe handles. */ | |
| 1393 | 1036 if (((fd = _open_osfhandle((OPEN_OH_ARGTYPE)stdin_wr, |
| 1037 _O_TEXT|_O_APPEND)) < 0) | |
| 1385 | 1038 || ((csinfo[i].to_fp = _fdopen(fd, "w")) == NULL)) |
| 1039 PERROR(_("cs_create_connection: fdopen for to_fp failed")); | |
| 1393 | 1040 if (((fd = _open_osfhandle((OPEN_OH_ARGTYPE)stdout_rd, |
| 1041 _O_TEXT|_O_RDONLY)) < 0) | |
| 1385 | 1042 || ((csinfo[i].fr_fp = _fdopen(fd, "r")) == NULL)) |
| 1043 PERROR(_("cs_create_connection: fdopen for fr_fp failed")); | |
| 1044 | |
| 1045 /* Close handles for file descriptors inherited by the cscope process */ | |
| 1046 CloseHandle(stdin_rd); | |
| 1047 CloseHandle(stdout_wr); | |
| 1048 | |
| 1049 #endif /* !UNIX */ | |
| 1050 | |
| 7 | 1051 return CSCOPE_SUCCESS; |
| 1052 } /* cs_create_connection */ | |
| 1053 | |
| 1054 | |
| 1055 /* | |
| 1056 * PRIVATE: cs_find | |
| 1057 * | |
| 1058 * query cscope using command line interface. parse the output and use tselect | |
| 1059 * to allow choices. like Nvi, creates a pipe to send to/from query/cscope. | |
| 1060 * | |
| 1061 * returns TRUE if we jump to a tag or abort, FALSE if not. | |
| 1062 */ | |
| 1063 static int | |
| 1064 cs_find(eap) | |
| 1065 exarg_T *eap; | |
| 1066 { | |
| 1067 char *opt, *pat; | |
|
2411
68e394361ca3
Add "q" item for 'statusline'. Add w:quickfix_title. (Lech Lorens)
Bram Moolenaar <bram@vim.org>
parents:
2278
diff
changeset
|
1068 int i; |
| 7 | 1069 |
| 1070 if (cs_check_for_connections() == FALSE) | |
| 1071 { | |
| 1072 (void)EMSG(_("E567: no cscope connections")); | |
| 1073 return FALSE; | |
| 1074 } | |
| 1075 | |
| 1076 if ((opt = strtok((char *)NULL, (const char *)" ")) == NULL) | |
| 1077 { | |
| 1078 cs_usage_msg(Find); | |
| 1079 return FALSE; | |
| 1080 } | |
| 1081 | |
| 1082 pat = opt + strlen(opt) + 1; | |
| 1372 | 1083 if (pat >= (char *)eap->arg + eap_arg_len) |
| 7 | 1084 { |
| 1085 cs_usage_msg(Find); | |
| 1086 return FALSE; | |
| 1087 } | |
| 1088 | |
|
2411
68e394361ca3
Add "q" item for 'statusline'. Add w:quickfix_title. (Lech Lorens)
Bram Moolenaar <bram@vim.org>
parents:
2278
diff
changeset
|
1089 /* |
|
68e394361ca3
Add "q" item for 'statusline'. Add w:quickfix_title. (Lech Lorens)
Bram Moolenaar <bram@vim.org>
parents:
2278
diff
changeset
|
1090 * Let's replace the NULs written by strtok() with spaces - we need the |
|
68e394361ca3
Add "q" item for 'statusline'. Add w:quickfix_title. (Lech Lorens)
Bram Moolenaar <bram@vim.org>
parents:
2278
diff
changeset
|
1091 * spaces to correctly display the quickfix/location list window's title. |
|
68e394361ca3
Add "q" item for 'statusline'. Add w:quickfix_title. (Lech Lorens)
Bram Moolenaar <bram@vim.org>
parents:
2278
diff
changeset
|
1092 */ |
|
68e394361ca3
Add "q" item for 'statusline'. Add w:quickfix_title. (Lech Lorens)
Bram Moolenaar <bram@vim.org>
parents:
2278
diff
changeset
|
1093 for (i = 0; i < eap_arg_len; ++i) |
|
68e394361ca3
Add "q" item for 'statusline'. Add w:quickfix_title. (Lech Lorens)
Bram Moolenaar <bram@vim.org>
parents:
2278
diff
changeset
|
1094 if (NUL == eap->arg[i]) |
|
68e394361ca3
Add "q" item for 'statusline'. Add w:quickfix_title. (Lech Lorens)
Bram Moolenaar <bram@vim.org>
parents:
2278
diff
changeset
|
1095 eap->arg[i] = ' '; |
|
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1096 |
| 665 | 1097 return cs_find_common(opt, pat, eap->forceit, TRUE, |
|
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1098 eap->cmdidx == CMD_lcscope, *eap->cmdlinep); |
| 7 | 1099 } /* cs_find */ |
| 1100 | |
| 1101 | |
| 1102 /* | |
| 1103 * PRIVATE: cs_find_common | |
| 1104 * | |
| 1105 * common code for cscope find, shared by cs_find() and do_cstag() | |
| 1106 */ | |
| 1107 static int | |
|
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1108 cs_find_common(opt, pat, forceit, verbose, use_ll, cmdline) |
| 7 | 1109 char *opt; |
| 1110 char *pat; | |
| 1111 int forceit; | |
| 1112 int verbose; | |
| 665 | 1113 int use_ll; |
|
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1114 char_u *cmdline; |
| 7 | 1115 { |
| 1116 int i; | |
| 1117 char *cmd; | |
| 1931 | 1118 int *nummatches; |
| 1119 int totmatches; | |
| 7 | 1120 #ifdef FEAT_QUICKFIX |
| 1121 char cmdletter; | |
| 1122 char *qfpos; | |
|
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1123 |
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1124 /* get cmd letter */ |
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1125 switch (opt[0]) |
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1126 { |
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1127 case '0' : |
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1128 cmdletter = 's'; |
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1129 break; |
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1130 case '1' : |
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1131 cmdletter = 'g'; |
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1132 break; |
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1133 case '2' : |
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1134 cmdletter = 'd'; |
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1135 break; |
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1136 case '3' : |
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1137 cmdletter = 'c'; |
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1138 break; |
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1139 case '4' : |
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1140 cmdletter = 't'; |
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1141 break; |
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1142 case '6' : |
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1143 cmdletter = 'e'; |
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1144 break; |
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1145 case '7' : |
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1146 cmdletter = 'f'; |
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1147 break; |
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1148 case '8' : |
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1149 cmdletter = 'i'; |
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1150 break; |
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1151 default : |
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1152 cmdletter = opt[0]; |
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1153 } |
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1154 |
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1155 qfpos = (char *)vim_strchr(p_csqf, cmdletter); |
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1156 if (qfpos != NULL) |
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1157 { |
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1158 qfpos++; |
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1159 /* next symbol must be + or - */ |
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1160 if (strchr(CSQF_FLAGS, *qfpos) == NULL) |
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1161 { |
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1162 char *nf = _("E469: invalid cscopequickfix flag %c for %c"); |
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1163 char *buf = (char *)alloc((unsigned)strlen(nf)); |
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1164 |
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1165 /* strlen will be enough because we use chars */ |
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1166 if (buf != NULL) |
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1167 { |
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1168 sprintf(buf, nf, *qfpos, *(qfpos-1)); |
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1169 (void)EMSG(buf); |
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1170 vim_free(buf); |
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1171 } |
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1172 return FALSE; |
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1173 } |
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1174 |
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1175 # ifdef FEAT_AUTOCMD |
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1176 if (*qfpos != '0') |
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1177 { |
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1178 apply_autocmds(EVENT_QUICKFIXCMDPRE, (char_u *)"cscope", |
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1179 curbuf->b_fname, TRUE, curbuf); |
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1180 # ifdef FEAT_EVAL |
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1181 if (did_throw || force_abort) |
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1182 return FALSE; |
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1183 # endif |
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1184 } |
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1185 # endif |
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1186 } |
| 7 | 1187 #endif |
| 1188 | |
| 1189 /* create the actual command to send to cscope */ | |
| 1190 cmd = cs_create_cmd(opt, pat); | |
| 1191 if (cmd == NULL) | |
| 1192 return FALSE; | |
| 1193 | |
| 1931 | 1194 nummatches = (int *)alloc(sizeof(int)*csinfo_size); |
| 1195 if (nummatches == NULL) | |
| 1196 return FALSE; | |
| 1197 | |
| 7 | 1198 /* send query to all open connections, then count the total number |
| 1199 * of matches so we can alloc matchesp all in one swell foop | |
| 1200 */ | |
| 1931 | 1201 for (i = 0; i < csinfo_size; i++) |
| 7 | 1202 nummatches[i] = 0; |
| 1203 totmatches = 0; | |
| 1931 | 1204 for (i = 0; i < csinfo_size; i++) |
| 7 | 1205 { |
| 1040 | 1206 if (csinfo[i].fname == NULL || csinfo[i].to_fp == NULL) |
| 7 | 1207 continue; |
| 1208 | |
| 1209 /* send cmd to cscope */ | |
| 1210 (void)fprintf(csinfo[i].to_fp, "%s\n", cmd); | |
| 1211 (void)fflush(csinfo[i].to_fp); | |
| 1212 | |
| 1213 nummatches[i] = cs_cnt_matches(i); | |
| 1214 | |
| 1215 if (nummatches[i] > -1) | |
| 1216 totmatches += nummatches[i]; | |
| 1217 | |
| 1218 if (nummatches[i] == 0) | |
| 1219 (void)cs_read_prompt(i); | |
| 1220 } | |
| 1221 vim_free(cmd); | |
| 1222 | |
| 1223 if (totmatches == 0) | |
| 1224 { | |
| 1225 char *nf = _("E259: no matches found for cscope query %s of %s"); | |
| 1226 char *buf; | |
| 1227 | |
| 1228 if (!verbose) | |
| 1931 | 1229 { |
| 1230 vim_free(nummatches); | |
| 7 | 1231 return FALSE; |
| 1931 | 1232 } |
| 7 | 1233 |
| 835 | 1234 buf = (char *)alloc((unsigned)(strlen(opt) + strlen(pat) + strlen(nf))); |
| 7 | 1235 if (buf == NULL) |
| 1236 (void)EMSG(nf); | |
| 1237 else | |
| 1238 { | |
| 1239 sprintf(buf, nf, opt, pat); | |
| 1240 (void)EMSG(buf); | |
| 1241 vim_free(buf); | |
| 1242 } | |
| 1931 | 1243 vim_free(nummatches); |
| 7 | 1244 return FALSE; |
| 1245 } | |
| 1246 | |
| 1247 #ifdef FEAT_QUICKFIX | |
| 36 | 1248 if (qfpos != NULL && *qfpos != '0' && totmatches > 0) |
| 7 | 1249 { |
| 1250 /* fill error list */ | |
| 1027 | 1251 FILE *f; |
| 1252 char_u *tmp = vim_tempname('c'); | |
| 665 | 1253 qf_info_T *qi = NULL; |
| 1254 win_T *wp = NULL; | |
| 7 | 1255 |
| 531 | 1256 f = mch_fopen((char *)tmp, "w"); |
| 1027 | 1257 if (f == NULL) |
| 1258 EMSG2(_(e_notopen), tmp); | |
| 1259 else | |
| 7 | 1260 { |
| 1027 | 1261 cs_file_results(f, nummatches); |
| 1262 fclose(f); | |
| 1263 if (use_ll) /* Use location list */ | |
| 1264 wp = curwin; | |
| 1265 /* '-' starts a new error list */ | |
| 1266 if (qf_init(wp, tmp, (char_u *)"%f%*\\t%l%*\\t%m", | |
|
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1267 *qfpos == '-', cmdline) > 0) |
| 1027 | 1268 { |
| 7 | 1269 # ifdef FEAT_WINDOWS |
| 1027 | 1270 if (postponed_split != 0) |
| 1271 { | |
| 1272 win_split(postponed_split > 0 ? postponed_split : 0, | |
| 7 | 1273 postponed_split_flags); |
| 2583 | 1274 RESET_BINDING(curwin); |
| 1027 | 1275 postponed_split = 0; |
| 1276 } | |
| 7 | 1277 # endif |
|
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1278 |
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1279 # ifdef FEAT_AUTOCMD |
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1280 apply_autocmds(EVENT_QUICKFIXCMDPOST, (char_u *)"cscope", |
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1281 curbuf->b_fname, TRUE, curbuf); |
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1282 # endif |
| 1027 | 1283 if (use_ll) |
| 1284 /* | |
| 1285 * In the location list window, use the displayed location | |
| 1286 * list. Otherwise, use the location list for the window. | |
| 1287 */ | |
| 1288 qi = (bt_quickfix(wp->w_buffer) && wp->w_llist_ref != NULL) | |
| 1289 ? wp->w_llist_ref : wp->w_llist; | |
| 1290 qf_jump(qi, 0, 0, forceit); | |
| 1291 } | |
| 7 | 1292 } |
| 1293 mch_remove(tmp); | |
| 1294 vim_free(tmp); | |
| 1931 | 1295 vim_free(nummatches); |
| 7 | 1296 return TRUE; |
| 1297 } | |
| 1298 else | |
| 1299 #endif /* FEAT_QUICKFIX */ | |
| 1300 { | |
| 944 | 1301 char **matches = NULL, **contexts = NULL; |
| 1302 int matched = 0; | |
| 1303 | |
| 7 | 1304 /* read output */ |
| 1305 cs_fill_results((char *)pat, totmatches, nummatches, &matches, | |
| 1306 &contexts, &matched); | |
| 1931 | 1307 vim_free(nummatches); |
| 7 | 1308 if (matches == NULL) |
| 1309 return FALSE; | |
| 1310 | |
| 293 | 1311 (void)cs_manage_matches(matches, contexts, matched, Store); |
| 7 | 1312 |
| 1313 return do_tag((char_u *)pat, DT_CSCOPE, 0, forceit, verbose); | |
| 1314 } | |
| 1315 | |
| 1316 } /* cs_find_common */ | |
| 1317 | |
| 1318 /* | |
| 1319 * PRIVATE: cs_help | |
| 1320 * | |
| 1321 * print help | |
| 1322 */ | |
| 1323 static int | |
| 1324 cs_help(eap) | |
| 1880 | 1325 exarg_T *eap UNUSED; |
| 7 | 1326 { |
| 1327 cscmd_T *cmdp = cs_cmds; | |
| 1328 | |
| 1329 (void)MSG_PUTS(_("cscope commands:\n")); | |
| 1330 while (cmdp->name != NULL) | |
| 1331 { | |
| 1793 | 1332 char *help = _(cmdp->help); |
| 1333 int space_cnt = 30 - vim_strsize((char_u *)help); | |
| 1334 | |
| 1335 /* Use %*s rather than %30s to ensure proper alignment in utf-8 */ | |
| 1336 if (space_cnt < 0) | |
| 1337 space_cnt = 0; | |
| 1338 (void)smsg((char_u *)_("%-5s: %s%*s (Usage: %s)"), | |
| 1339 cmdp->name, | |
| 1340 help, space_cnt, " ", | |
| 1341 cmdp->usage); | |
| 7 | 1342 if (strcmp(cmdp->name, "find") == 0) |
| 1706 | 1343 MSG_PUTS(_("\n" |
| 1344 " c: Find functions calling this function\n" | |
| 1345 " d: Find functions called by this function\n" | |
| 1346 " e: Find this egrep pattern\n" | |
| 1347 " f: Find this file\n" | |
| 1348 " g: Find this definition\n" | |
| 1349 " i: Find files #including this file\n" | |
| 1350 " s: Find this C symbol\n" | |
| 1351 " t: Find assignments to\n")); | |
| 1352 | |
| 7 | 1353 cmdp++; |
| 1354 } | |
| 1355 | |
| 1356 wait_return(TRUE); | |
| 1357 return 0; | |
| 1358 } /* cs_help */ | |
| 1359 | |
| 1360 | |
| 1361 static void | |
| 1362 clear_csinfo(i) | |
| 1363 int i; | |
| 1364 { | |
| 1365 csinfo[i].fname = NULL; | |
| 1366 csinfo[i].ppath = NULL; | |
| 1367 csinfo[i].flags = NULL; | |
| 1368 #if defined(UNIX) | |
| 1369 csinfo[i].st_dev = (dev_t)0; | |
| 1370 csinfo[i].st_ino = (ino_t)0; | |
| 1371 #else | |
| 1372 csinfo[i].nVolume = 0; | |
| 1373 csinfo[i].nIndexHigh = 0; | |
| 1374 csinfo[i].nIndexLow = 0; | |
| 1375 #endif | |
| 1621 | 1376 csinfo[i].pid = 0; |
| 7 | 1377 csinfo[i].fr_fp = NULL; |
| 1378 csinfo[i].to_fp = NULL; | |
| 301 | 1379 #if defined(WIN32) |
| 1380 csinfo[i].hProc = NULL; | |
| 1381 #endif | |
| 7 | 1382 } |
| 1383 | |
| 1384 #ifndef UNIX | |
| 1385 static char *GetWin32Error __ARGS((void)); | |
| 1386 | |
| 1387 static char * | |
| 1388 GetWin32Error() | |
| 1389 { | |
| 1390 char *msg = NULL; | |
| 1391 FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER|FORMAT_MESSAGE_FROM_SYSTEM, | |
| 1392 NULL, GetLastError(), 0, (LPSTR)&msg, 0, NULL); | |
| 1393 if (msg != NULL) | |
| 1394 { | |
| 1395 /* remove trailing \r\n */ | |
| 1396 char *pcrlf = strstr(msg, "\r\n"); | |
| 1397 if (pcrlf != NULL) | |
| 1398 *pcrlf = '\0'; | |
| 1399 } | |
| 1400 return msg; | |
| 1401 } | |
| 1402 #endif | |
| 323 | 1403 |
| 7 | 1404 /* |
| 1405 * PRIVATE: cs_insert_filelist | |
| 1406 * | |
| 1407 * insert a new cscope database filename into the filelist | |
| 1408 */ | |
| 1409 static int | |
| 1410 cs_insert_filelist(fname, ppath, flags, sb) | |
| 1411 char *fname; | |
| 1412 char *ppath; | |
| 1413 char *flags; | |
| 1880 | 1414 struct stat *sb UNUSED; |
| 7 | 1415 { |
| 1416 short i, j; | |
| 1417 #ifndef UNIX | |
| 1418 HANDLE hFile; | |
| 1419 BY_HANDLE_FILE_INFORMATION bhfi; | |
| 1420 | |
| 1421 vim_memset(&bhfi, 0, sizeof(bhfi)); | |
| 1422 /* On windows 9x GetFileInformationByHandle doesn't work, so skip it */ | |
| 1423 if (!mch_windows95()) | |
| 1424 { | |
| 1425 hFile = CreateFile(fname, FILE_READ_ATTRIBUTES, 0, NULL, OPEN_EXISTING, | |
| 1426 FILE_ATTRIBUTE_NORMAL, NULL); | |
| 1427 if (hFile == INVALID_HANDLE_VALUE) | |
| 1428 { | |
| 1429 if (p_csverbose) | |
| 1430 { | |
| 1431 char *cant_msg = _("E625: cannot open cscope database: %s"); | |
| 1432 char *winmsg = GetWin32Error(); | |
| 1433 | |
| 1434 if (winmsg != NULL) | |
| 1435 { | |
| 1436 (void)EMSG2(cant_msg, winmsg); | |
| 1437 LocalFree(winmsg); | |
| 1438 } | |
| 1439 else | |
| 1440 /* subst filename if can't get error text */ | |
| 1441 (void)EMSG2(cant_msg, fname); | |
| 1442 } | |
| 1443 return -1; | |
| 1444 } | |
| 1445 if (!GetFileInformationByHandle(hFile, &bhfi)) | |
| 1446 { | |
| 1447 CloseHandle(hFile); | |
| 1448 if (p_csverbose) | |
| 1449 (void)EMSG(_("E626: cannot get cscope database information")); | |
| 1450 return -1; | |
| 1451 } | |
| 1452 CloseHandle(hFile); | |
| 1453 } | |
| 1454 #endif | |
| 1455 | |
| 1456 i = -1; /* can be set to the index of an empty item in csinfo */ | |
| 1931 | 1457 for (j = 0; j < csinfo_size; j++) |
| 7 | 1458 { |
| 1459 if (csinfo[j].fname != NULL | |
| 1460 #if defined(UNIX) | |
| 1461 && csinfo[j].st_dev == sb->st_dev && csinfo[j].st_ino == sb->st_ino | |
| 1462 #else | |
| 1463 /* compare pathnames first */ | |
| 1464 && ((fullpathcmp(csinfo[j].fname, fname, FALSE) & FPC_SAME) | |
| 1372 | 1465 /* if not Windows 9x, test index file attributes too */ |
| 7 | 1466 || (!mch_windows95() |
| 1467 && csinfo[j].nVolume == bhfi.dwVolumeSerialNumber | |
| 1468 && csinfo[j].nIndexHigh == bhfi.nFileIndexHigh | |
| 1469 && csinfo[j].nIndexLow == bhfi.nFileIndexLow)) | |
| 1470 #endif | |
| 1471 ) | |
| 1472 { | |
| 1473 if (p_csverbose) | |
| 1474 (void)EMSG(_("E568: duplicate cscope database not added")); | |
| 1475 return -1; | |
| 1476 } | |
| 1477 | |
| 1478 if (csinfo[j].fname == NULL && i == -1) | |
| 1479 i = j; /* remember first empty entry */ | |
| 1480 } | |
| 1481 | |
| 1482 if (i == -1) | |
| 1483 { | |
| 1931 | 1484 i = csinfo_size; |
| 1485 if (csinfo_size == 0) | |
| 1486 { | |
| 1487 /* First time allocation: allocate only 1 connection. It should | |
| 1488 * be enough for most users. If more is needed, csinfo will be | |
| 1489 * reallocated. */ | |
| 1490 csinfo_size = 1; | |
| 1491 csinfo = (csinfo_T *)alloc_clear(sizeof(csinfo_T)); | |
| 1492 } | |
| 1493 else | |
| 1494 { | |
| 1495 /* Reallocate space for more connections. */ | |
| 1496 csinfo_size *= 2; | |
| 1497 csinfo = vim_realloc(csinfo, sizeof(csinfo_T)*csinfo_size); | |
| 1498 } | |
| 1499 if (csinfo == NULL) | |
| 1500 return -1; | |
| 1501 for (j = csinfo_size/2; j < csinfo_size; j++) | |
| 1502 clear_csinfo(j); | |
| 7 | 1503 } |
| 1504 | |
| 835 | 1505 if ((csinfo[i].fname = (char *)alloc((unsigned)strlen(fname)+1)) == NULL) |
| 7 | 1506 return -1; |
| 1507 | |
| 1508 (void)strcpy(csinfo[i].fname, (const char *)fname); | |
| 1509 | |
| 1510 if (ppath != NULL) | |
| 1511 { | |
| 835 | 1512 if ((csinfo[i].ppath = (char *)alloc((unsigned)strlen(ppath) + 1)) == NULL) |
| 7 | 1513 { |
| 1514 vim_free(csinfo[i].fname); | |
| 1515 csinfo[i].fname = NULL; | |
| 1516 return -1; | |
| 1517 } | |
| 1518 (void)strcpy(csinfo[i].ppath, (const char *)ppath); | |
| 1519 } else | |
| 1520 csinfo[i].ppath = NULL; | |
| 1521 | |
| 1522 if (flags != NULL) | |
| 1523 { | |
| 835 | 1524 if ((csinfo[i].flags = (char *)alloc((unsigned)strlen(flags) + 1)) == NULL) |
| 7 | 1525 { |
| 1526 vim_free(csinfo[i].fname); | |
| 1527 vim_free(csinfo[i].ppath); | |
| 1528 csinfo[i].fname = NULL; | |
| 1529 csinfo[i].ppath = NULL; | |
| 1530 return -1; | |
| 1531 } | |
| 1532 (void)strcpy(csinfo[i].flags, (const char *)flags); | |
| 1533 } else | |
| 1534 csinfo[i].flags = NULL; | |
| 1535 | |
| 1536 #if defined(UNIX) | |
| 1537 csinfo[i].st_dev = sb->st_dev; | |
| 1538 csinfo[i].st_ino = sb->st_ino; | |
| 1539 | |
| 1540 #else | |
| 1541 csinfo[i].nVolume = bhfi.dwVolumeSerialNumber; | |
| 1542 csinfo[i].nIndexLow = bhfi.nFileIndexLow; | |
| 1543 csinfo[i].nIndexHigh = bhfi.nFileIndexHigh; | |
| 1544 #endif | |
| 1545 return i; | |
| 1546 } /* cs_insert_filelist */ | |
| 1547 | |
| 1548 | |
| 1549 /* | |
| 1550 * PRIVATE: cs_lookup_cmd | |
| 1551 * | |
| 1552 * find cscope command in command table | |
| 1553 */ | |
| 1554 static cscmd_T * | |
| 1555 cs_lookup_cmd(eap) | |
| 1556 exarg_T *eap; | |
| 1557 { | |
| 1558 cscmd_T *cmdp; | |
| 1559 char *stok; | |
| 1560 size_t len; | |
| 1561 | |
| 1562 if (eap->arg == NULL) | |
| 1563 return NULL; | |
| 1564 | |
| 1372 | 1565 /* Store length of eap->arg before it gets modified by strtok(). */ |
| 1570 | 1566 eap_arg_len = (int)STRLEN(eap->arg); |
| 1372 | 1567 |
| 7 | 1568 if ((stok = strtok((char *)(eap->arg), (const char *)" ")) == NULL) |
| 1569 return NULL; | |
| 1570 | |
| 1571 len = strlen(stok); | |
| 1572 for (cmdp = cs_cmds; cmdp->name != NULL; ++cmdp) | |
| 1573 { | |
| 1574 if (strncmp((const char *)(stok), cmdp->name, len) == 0) | |
| 1575 return (cmdp); | |
| 1576 } | |
| 1577 return NULL; | |
| 1578 } /* cs_lookup_cmd */ | |
| 1579 | |
| 1580 | |
| 1581 /* | |
| 1582 * PRIVATE: cs_kill | |
| 1583 * | |
| 1584 * nuke em | |
| 1585 */ | |
| 1586 static int | |
| 1587 cs_kill(eap) | |
| 1880 | 1588 exarg_T *eap UNUSED; |
| 7 | 1589 { |
| 1590 char *stok; | |
| 1591 short i; | |
| 1592 | |
| 1593 if ((stok = strtok((char *)NULL, (const char *)" ")) == NULL) | |
| 1594 { | |
| 1595 cs_usage_msg(Kill); | |
| 1596 return CSCOPE_FAILURE; | |
| 1597 } | |
| 1598 | |
| 1599 /* only single digit positive and negative integers are allowed */ | |
| 1600 if ((strlen(stok) < 2 && VIM_ISDIGIT((int)(stok[0]))) | |
| 1601 || (strlen(stok) < 3 && stok[0] == '-' | |
| 1602 && VIM_ISDIGIT((int)(stok[1])))) | |
| 1603 i = atoi(stok); | |
| 1604 else | |
| 1605 { | |
| 1606 /* It must be part of a name. We will try to find a match | |
| 1607 * within all the names in the csinfo data structure | |
| 1608 */ | |
| 1931 | 1609 for (i = 0; i < csinfo_size; i++) |
| 7 | 1610 { |
| 1611 if (csinfo[i].fname != NULL && strstr(csinfo[i].fname, stok)) | |
| 1612 break; | |
| 1613 } | |
| 1614 } | |
| 1615 | |
| 1931 | 1616 if ((i != -1) && (i >= csinfo_size || i < -1 || csinfo[i].fname == NULL)) |
| 7 | 1617 { |
| 1618 if (p_csverbose) | |
| 1619 (void)EMSG2(_("E261: cscope connection %s not found"), stok); | |
| 1620 } | |
| 1621 else | |
| 1622 { | |
| 1623 if (i == -1) | |
| 1624 { | |
| 1931 | 1625 for (i = 0; i < csinfo_size; i++) |
| 7 | 1626 { |
| 1627 if (csinfo[i].fname) | |
| 1628 cs_kill_execute(i, csinfo[i].fname); | |
| 1629 } | |
| 1630 } | |
| 1631 else | |
| 1632 cs_kill_execute(i, stok); | |
| 1633 } | |
| 1634 | |
| 1635 return 0; | |
| 1636 } /* cs_kill */ | |
| 1637 | |
| 1638 | |
| 1639 /* | |
| 1640 * PRIVATE: cs_kill_execute | |
| 1641 * | |
| 1642 * Actually kills a specific cscope connection. | |
| 1643 */ | |
| 1644 static void | |
| 1645 cs_kill_execute(i, cname) | |
| 1646 int i; /* cscope table index */ | |
| 1647 char *cname; /* cscope database name */ | |
| 1648 { | |
| 1649 if (p_csverbose) | |
| 1650 { | |
| 1651 msg_clr_eos(); | |
| 1652 (void)smsg_attr(hl_attr(HLF_R) | MSG_HIST, | |
| 1653 (char_u *)_("cscope connection %s closed"), cname); | |
| 1654 } | |
| 1655 cs_release_csp(i, TRUE); | |
| 1656 } | |
| 1657 | |
| 1658 | |
| 1659 /* | |
| 1660 * PRIVATE: cs_make_vim_style_matches | |
| 1661 * | |
| 1662 * convert the cscope output into into a ctags style entry (as might be found | |
| 1663 * in a ctags tags file). there's one catch though: cscope doesn't tell you | |
| 1664 * the type of the tag you are looking for. for example, in Darren Hiebert's | |
| 1665 * ctags (the one that comes with vim), #define's use a line number to find the | |
| 1666 * tag in a file while function definitions use a regexp search pattern. | |
| 1667 * | |
| 1668 * i'm going to always use the line number because cscope does something | |
| 1669 * quirky (and probably other things i don't know about): | |
| 1670 * | |
| 1671 * if you have "# define" in your source file, which is | |
| 1672 * perfectly legal, cscope thinks you have "#define". this | |
| 1673 * will result in a failed regexp search. :( | |
| 1674 * | |
| 1675 * besides, even if this particular case didn't happen, the search pattern | |
| 1676 * would still have to be modified to escape all the special regular expression | |
| 1677 * characters to comply with ctags formatting. | |
| 1678 */ | |
| 1679 static char * | |
| 1680 cs_make_vim_style_matches(fname, slno, search, tagstr) | |
| 1681 char *fname; | |
| 1682 char *slno; | |
| 1683 char *search; | |
| 1684 char *tagstr; | |
| 1685 { | |
| 1686 /* vim style is ctags: | |
| 1687 * | |
| 1688 * <tagstr>\t<filename>\t<linenum_or_search>"\t<extra> | |
| 1689 * | |
| 1690 * but as mentioned above, we'll always use the line number and | |
| 1691 * put the search pattern (if one exists) as "extra" | |
| 1692 * | |
| 1693 * buf is used as part of vim's method of handling tags, and | |
| 1694 * (i think) vim frees it when you pop your tags and get replaced | |
| 1695 * by new ones on the tag stack. | |
| 1696 */ | |
| 1697 char *buf; | |
| 1698 int amt; | |
| 1699 | |
| 1700 if (search != NULL) | |
| 1701 { | |
| 835 | 1702 amt = (int)(strlen(fname) + strlen(slno) + strlen(tagstr) + strlen(search)+6); |
| 7 | 1703 if ((buf = (char *)alloc(amt)) == NULL) |
| 1704 return NULL; | |
| 1705 | |
| 1706 (void)sprintf(buf, "%s\t%s\t%s;\"\t%s", tagstr, fname, slno, search); | |
| 1707 } | |
| 1708 else | |
| 1709 { | |
| 835 | 1710 amt = (int)(strlen(fname) + strlen(slno) + strlen(tagstr) + 5); |
| 7 | 1711 if ((buf = (char *)alloc(amt)) == NULL) |
| 1712 return NULL; | |
| 1713 | |
| 1714 (void)sprintf(buf, "%s\t%s\t%s;\"", tagstr, fname, slno); | |
| 1715 } | |
| 1716 | |
| 1717 return buf; | |
| 1718 } /* cs_make_vim_style_matches */ | |
| 1719 | |
| 1720 | |
| 1721 /* | |
| 1722 * PRIVATE: cs_manage_matches | |
| 1723 * | |
| 1724 * this is kind of hokey, but i don't see an easy way round this.. | |
| 1725 * | |
| 1726 * Store: keep a ptr to the (malloc'd) memory of matches originally | |
| 1727 * generated from cs_find(). the matches are originally lines directly | |
| 1728 * from cscope output, but transformed to look like something out of a | |
| 1729 * ctags. see cs_make_vim_style_matches for more details. | |
| 1730 * | |
| 1731 * Get: used only from cs_fgets(), this simulates a vim_fgets() to return | |
| 1732 * the next line from the cscope output. it basically keeps track of which | |
| 1733 * lines have been "used" and returns the next one. | |
| 1734 * | |
| 1735 * Free: frees up everything and resets | |
| 1736 * | |
| 1737 * Print: prints the tags | |
| 1738 */ | |
| 1739 static char * | |
| 1740 cs_manage_matches(matches, contexts, totmatches, cmd) | |
| 1741 char **matches; | |
| 1742 char **contexts; | |
| 1743 int totmatches; | |
| 1744 mcmd_e cmd; | |
| 1745 { | |
| 1746 static char **mp = NULL; | |
| 1747 static char **cp = NULL; | |
| 1748 static int cnt = -1; | |
| 1749 static int next = -1; | |
| 1750 char *p = NULL; | |
| 1751 | |
| 1752 switch (cmd) | |
| 1753 { | |
| 1754 case Store: | |
| 1755 assert(matches != NULL); | |
| 1756 assert(totmatches > 0); | |
| 1757 if (mp != NULL || cp != NULL) | |
| 1758 (void)cs_manage_matches(NULL, NULL, -1, Free); | |
| 1759 mp = matches; | |
| 1760 cp = contexts; | |
| 1761 cnt = totmatches; | |
| 1762 next = 0; | |
| 1763 break; | |
| 1764 case Get: | |
| 1765 if (next >= cnt) | |
| 1766 return NULL; | |
| 1767 | |
| 1768 p = mp[next]; | |
| 1769 next++; | |
| 1770 break; | |
| 1771 case Free: | |
| 1772 if (mp != NULL) | |
| 1773 { | |
| 1774 if (cnt > 0) | |
| 1775 while (cnt--) | |
| 1776 { | |
| 1777 vim_free(mp[cnt]); | |
| 1778 if (cp != NULL) | |
| 1779 vim_free(cp[cnt]); | |
| 1780 } | |
| 1781 vim_free(mp); | |
| 1782 vim_free(cp); | |
| 1783 } | |
| 1784 mp = NULL; | |
| 1785 cp = NULL; | |
| 1786 cnt = 0; | |
| 1787 next = 0; | |
| 1788 break; | |
| 1789 case Print: | |
| 1790 cs_print_tags_priv(mp, cp, cnt); | |
| 1791 break; | |
| 1792 default: /* should not reach here */ | |
| 1793 (void)EMSG(_("E570: fatal error in cs_manage_matches")); | |
| 1794 return NULL; | |
| 1795 } | |
| 1796 | |
| 1797 return p; | |
| 1798 } /* cs_manage_matches */ | |
| 1799 | |
| 1800 | |
| 1801 /* | |
| 1802 * PRIVATE: cs_parse_results | |
| 1803 * | |
| 1804 * parse cscope output | |
| 1805 */ | |
| 1806 static char * | |
| 1807 cs_parse_results(cnumber, buf, bufsize, context, linenumber, search) | |
| 1808 int cnumber; | |
| 1809 char *buf; | |
| 1810 int bufsize; | |
| 1811 char **context; | |
| 1812 char **linenumber; | |
| 1813 char **search; | |
| 1814 { | |
| 1815 int ch; | |
| 1816 char *p; | |
| 1817 char *name; | |
| 1818 | |
| 1819 if (fgets(buf, bufsize, csinfo[cnumber].fr_fp) == NULL) | |
| 1820 { | |
| 1821 if (feof(csinfo[cnumber].fr_fp)) | |
| 1822 errno = EIO; | |
| 1823 | |
| 1824 cs_reading_emsg(cnumber); | |
| 1825 | |
| 1826 return NULL; | |
| 1827 } | |
| 1828 | |
| 1829 /* If the line's too long for the buffer, discard it. */ | |
| 1830 if ((p = strchr(buf, '\n')) == NULL) | |
| 1831 { | |
| 1832 while ((ch = getc(csinfo[cnumber].fr_fp)) != EOF && ch != '\n') | |
| 1833 ; | |
| 1834 return NULL; | |
| 1835 } | |
| 1836 *p = '\0'; | |
| 1837 | |
| 1838 /* | |
| 1839 * cscope output is in the following format: | |
| 1840 * | |
| 1841 * <filename> <context> <line number> <pattern> | |
| 1842 */ | |
| 1843 if ((name = strtok((char *)buf, (const char *)" ")) == NULL) | |
| 1844 return NULL; | |
| 1845 if ((*context = strtok(NULL, (const char *)" ")) == NULL) | |
| 1846 return NULL; | |
| 1847 if ((*linenumber = strtok(NULL, (const char *)" ")) == NULL) | |
| 1848 return NULL; | |
| 1849 *search = *linenumber + strlen(*linenumber) + 1; /* +1 to skip \0 */ | |
| 1850 | |
| 1851 /* --- nvi --- | |
| 1852 * If the file is older than the cscope database, that is, | |
| 1853 * the database was built since the file was last modified, | |
| 1854 * or there wasn't a search string, use the line number. | |
| 1855 */ | |
| 1856 if (strcmp(*search, "<unknown>") == 0) | |
| 1857 *search = NULL; | |
| 1858 | |
| 1859 name = cs_resolve_file(cnumber, name); | |
| 1860 return name; | |
| 1861 } | |
| 1862 | |
| 636 | 1863 #ifdef FEAT_QUICKFIX |
| 7 | 1864 /* |
| 1865 * PRIVATE: cs_file_results | |
| 1866 * | |
| 1867 * write cscope find results to file | |
| 1868 */ | |
| 1869 static void | |
| 1870 cs_file_results(f, nummatches_a) | |
| 1871 FILE *f; | |
| 1872 int *nummatches_a; | |
| 1873 { | |
| 1874 int i, j; | |
| 1875 char *buf; | |
| 1876 char *search, *slno; | |
| 1877 char *fullname; | |
| 1878 char *cntx; | |
| 1879 char *context; | |
| 1880 | |
| 1881 buf = (char *)alloc(CSREAD_BUFSIZE); | |
| 1882 if (buf == NULL) | |
| 1883 return; | |
| 1884 | |
| 1931 | 1885 for (i = 0; i < csinfo_size; i++) |
| 7 | 1886 { |
| 1887 if (nummatches_a[i] < 1) | |
| 1888 continue; | |
| 1889 | |
| 1890 for (j = 0; j < nummatches_a[i]; j++) | |
| 1891 { | |
| 293 | 1892 if ((fullname = cs_parse_results(i, buf, CSREAD_BUFSIZE, &cntx, |
| 1893 &slno, &search)) == NULL) | |
| 7 | 1894 continue; |
| 1895 | |
| 835 | 1896 context = (char *)alloc((unsigned)strlen(cntx)+5); |
| 1027 | 1897 if (context == NULL) |
| 7 | 1898 continue; |
| 1899 | |
| 1900 if (strcmp(cntx, "<global>")==0) | |
| 1901 strcpy(context, "<<global>>"); | |
| 1902 else | |
| 1903 sprintf(context, "<<%s>>", cntx); | |
| 1904 | |
| 1027 | 1905 if (search == NULL) |
| 7 | 1906 fprintf(f, "%s\t%s\t%s\n", fullname, slno, context); |
| 1907 else | |
| 1908 fprintf(f, "%s\t%s\t%s %s\n", fullname, slno, context, search); | |
| 1909 | |
| 1910 vim_free(context); | |
| 1911 vim_free(fullname); | |
| 1912 } /* for all matches */ | |
| 1913 | |
| 1914 (void)cs_read_prompt(i); | |
| 1915 | |
| 1916 } /* for all cscope connections */ | |
| 1917 vim_free(buf); | |
| 1918 } | |
| 636 | 1919 #endif |
| 7 | 1920 |
| 1921 /* | |
| 1922 * PRIVATE: cs_fill_results | |
| 1923 * | |
| 1924 * get parsed cscope output and calls cs_make_vim_style_matches to convert | |
| 1925 * into ctags format | |
| 297 | 1926 * When there are no matches sets "*matches_p" to NULL. |
| 7 | 1927 */ |
| 1928 static void | |
| 1929 cs_fill_results(tagstr, totmatches, nummatches_a, matches_p, cntxts_p, matched) | |
| 1930 char *tagstr; | |
| 1931 int totmatches; | |
| 1932 int *nummatches_a; | |
| 1933 char ***matches_p; | |
| 1934 char ***cntxts_p; | |
| 1935 int *matched; | |
| 1936 { | |
| 1937 int i, j; | |
| 1938 char *buf; | |
| 1939 char *search, *slno; | |
| 1940 int totsofar = 0; | |
| 1941 char **matches = NULL; | |
| 1942 char **cntxts = NULL; | |
| 1943 char *fullname; | |
| 1944 char *cntx; | |
| 1945 | |
| 1946 assert(totmatches > 0); | |
| 1947 | |
| 1948 buf = (char *)alloc(CSREAD_BUFSIZE); | |
| 1949 if (buf == NULL) | |
| 1950 return; | |
| 1951 | |
| 1952 if ((matches = (char **)alloc(sizeof(char *) * totmatches)) == NULL) | |
| 1953 goto parse_out; | |
| 1954 if ((cntxts = (char **)alloc(sizeof(char *) * totmatches)) == NULL) | |
| 1955 goto parse_out; | |
| 1956 | |
| 1931 | 1957 for (i = 0; i < csinfo_size; i++) |
| 7 | 1958 { |
| 1959 if (nummatches_a[i] < 1) | |
| 1960 continue; | |
| 1961 | |
| 1962 for (j = 0; j < nummatches_a[i]; j++) | |
| 1963 { | |
| 1964 if ((fullname = cs_parse_results(i, buf, CSREAD_BUFSIZE, &cntx, | |
| 1965 &slno, &search)) == NULL) | |
| 1966 continue; | |
| 1967 | |
| 1968 matches[totsofar] = cs_make_vim_style_matches(fullname, slno, | |
| 1969 search, tagstr); | |
| 1970 | |
| 1971 vim_free(fullname); | |
| 1972 | |
| 1973 if (strcmp(cntx, "<global>") == 0) | |
| 1974 cntxts[totsofar] = NULL; | |
| 1975 else | |
| 1976 /* note: if vim_strsave returns NULL, then the context | |
| 1977 * will be "<global>", which is misleading. | |
| 1978 */ | |
| 1979 cntxts[totsofar] = (char *)vim_strsave((char_u *)cntx); | |
| 1980 | |
| 1981 if (matches[totsofar] != NULL) | |
| 1982 totsofar++; | |
| 1983 | |
| 1984 } /* for all matches */ | |
| 1985 | |
| 1986 (void)cs_read_prompt(i); | |
| 1987 | |
| 1988 } /* for all cscope connections */ | |
| 1989 | |
| 1990 parse_out: | |
| 297 | 1991 if (totsofar == 0) |
| 1992 { | |
| 1993 /* No matches, free the arrays and return NULL in "*matches_p". */ | |
| 1994 vim_free(matches); | |
| 1995 matches = NULL; | |
| 1996 vim_free(cntxts); | |
| 1997 cntxts = NULL; | |
| 1998 } | |
| 7 | 1999 *matched = totsofar; |
| 2000 *matches_p = matches; | |
| 2001 *cntxts_p = cntxts; | |
| 297 | 2002 |
| 7 | 2003 vim_free(buf); |
| 2004 } /* cs_fill_results */ | |
| 2005 | |
| 2006 | |
| 2007 /* get the requested path components */ | |
| 2008 static char * | |
| 2009 cs_pathcomponents(path) | |
| 2010 char *path; | |
| 2011 { | |
| 2012 int i; | |
| 2013 char *s; | |
| 2014 | |
| 2015 if (p_cspc == 0) | |
| 2016 return path; | |
| 2017 | |
| 2018 s = path + strlen(path) - 1; | |
| 2019 for (i = 0; i < p_cspc; ++i) | |
| 2020 while (s > path && *--s != '/' | |
| 2021 #ifdef WIN32 | |
| 2022 && *--s != '\\' | |
| 2023 #endif | |
| 2024 ) | |
| 2025 ; | |
| 2026 if ((s > path && *s == '/') | |
| 2027 #ifdef WIN32 | |
| 2028 || (s > path && *s == '\\') | |
| 2029 #endif | |
| 2030 ) | |
| 2031 ++s; | |
| 2032 return s; | |
| 2033 } | |
| 2034 | |
| 2035 /* | |
| 2036 * PRIVATE: cs_print_tags_priv | |
| 2037 * | |
| 2038 * called from cs_manage_matches() | |
| 2039 */ | |
| 2040 static void | |
| 2041 cs_print_tags_priv(matches, cntxts, num_matches) | |
| 2042 char **matches; | |
| 2043 char **cntxts; | |
| 2044 int num_matches; | |
| 2045 { | |
| 2046 char *buf = NULL; | |
| 2047 int bufsize = 0; /* Track available bufsize */ | |
| 2048 int newsize = 0; | |
| 2049 char *ptag; | |
| 2050 char *fname, *lno, *extra, *tbuf; | |
| 2051 int i, idx, num; | |
| 2052 char *globalcntx = "GLOBAL"; | |
| 2053 char *cntxformat = " <<%s>>"; | |
| 2054 char *context; | |
| 2055 char *cstag_msg = _("Cscope tag: %s"); | |
| 2056 char *csfmt_str = "%4d %6s "; | |
| 2057 | |
| 2058 assert (num_matches > 0); | |
| 2059 | |
| 835 | 2060 if ((tbuf = (char *)alloc((unsigned)strlen(matches[0]) + 1)) == NULL) |
| 7 | 2061 return; |
| 2062 | |
| 2063 strcpy(tbuf, matches[0]); | |
| 2064 ptag = strtok(tbuf, "\t"); | |
| 2065 | |
| 835 | 2066 newsize = (int)(strlen(cstag_msg) + strlen(ptag)); |
| 7 | 2067 buf = (char *)alloc(newsize); |
| 2068 if (buf != NULL) | |
| 2069 { | |
| 2070 bufsize = newsize; | |
| 2071 (void)sprintf(buf, cstag_msg, ptag); | |
| 2072 MSG_PUTS_ATTR(buf, hl_attr(HLF_T)); | |
| 2073 } | |
| 2074 | |
| 2075 vim_free(tbuf); | |
| 2076 | |
| 2077 MSG_PUTS_ATTR(_("\n # line"), hl_attr(HLF_T)); /* strlen is 7 */ | |
| 2078 msg_advance(msg_col + 2); | |
| 2079 MSG_PUTS_ATTR(_("filename / context / line\n"), hl_attr(HLF_T)); | |
| 2080 | |
| 2081 num = 1; | |
| 2082 for (i = 0; i < num_matches; i++) | |
| 2083 { | |
| 2084 idx = i; | |
| 2085 | |
| 2086 /* if we really wanted to, we could avoid this malloc and strcpy | |
| 2087 * by parsing matches[i] on the fly and placing stuff into buf | |
| 2088 * directly, but that's too much of a hassle | |
| 2089 */ | |
| 835 | 2090 if ((tbuf = (char *)alloc((unsigned)strlen(matches[idx]) + 1)) == NULL) |
| 7 | 2091 continue; |
| 2092 (void)strcpy(tbuf, matches[idx]); | |
| 2093 | |
|
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|
2094 if (strtok(tbuf, (const char *)"\t") == NULL) |
| 7 | 2095 continue; |
| 2096 if ((fname = strtok(NULL, (const char *)"\t")) == NULL) | |
| 2097 continue; | |
| 2098 if ((lno = strtok(NULL, (const char *)"\t")) == NULL) | |
| 1078 | 2099 continue; |
| 2100 extra = strtok(NULL, (const char *)"\t"); | |
| 7 | 2101 |
| 2102 lno[strlen(lno)-2] = '\0'; /* ignore ;" at the end */ | |
| 2103 | |
| 2104 /* hopefully 'num' (num of matches) will be less than 10^16 */ | |
| 835 | 2105 newsize = (int)(strlen(csfmt_str) + 16 + strlen(lno)); |
| 7 | 2106 if (bufsize < newsize) |
| 2107 { | |
| 2108 buf = (char *)vim_realloc(buf, newsize); | |
| 2109 if (buf == NULL) | |
| 2110 bufsize = 0; | |
| 2111 else | |
| 2112 bufsize = newsize; | |
| 2113 } | |
| 2114 if (buf != NULL) | |
| 2115 { | |
| 2116 /* csfmt_str = "%4d %6s "; */ | |
| 2117 (void)sprintf(buf, csfmt_str, num, lno); | |
| 2118 MSG_PUTS_ATTR(buf, hl_attr(HLF_CM)); | |
| 2119 } | |
| 2120 MSG_PUTS_LONG_ATTR(cs_pathcomponents(fname), hl_attr(HLF_CM)); | |
| 2121 | |
| 2122 /* compute the required space for the context */ | |
| 2123 if (cntxts[idx] != NULL) | |
| 2124 context = cntxts[idx]; | |
| 2125 else | |
| 2126 context = globalcntx; | |
| 835 | 2127 newsize = (int)(strlen(context) + strlen(cntxformat)); |
| 7 | 2128 |
| 2129 if (bufsize < newsize) | |
| 2130 { | |
| 2131 buf = (char *)vim_realloc(buf, newsize); | |
| 2132 if (buf == NULL) | |
| 2133 bufsize = 0; | |
| 2134 else | |
| 2135 bufsize = newsize; | |
| 2136 } | |
| 2137 if (buf != NULL) | |
| 2138 { | |
| 2139 (void)sprintf(buf, cntxformat, context); | |
| 2140 | |
| 2141 /* print the context only if it fits on the same line */ | |
| 2142 if (msg_col + (int)strlen(buf) >= (int)Columns) | |
| 2143 msg_putchar('\n'); | |
| 2144 msg_advance(12); | |
| 2145 MSG_PUTS_LONG(buf); | |
| 2146 msg_putchar('\n'); | |
| 2147 } | |
| 2148 if (extra != NULL) | |
| 2149 { | |
| 2150 msg_advance(13); | |
| 2151 MSG_PUTS_LONG(extra); | |
| 2152 } | |
| 2153 | |
| 2154 vim_free(tbuf); /* only after printing extra due to strtok use */ | |
| 2155 | |
| 2156 if (msg_col) | |
| 2157 msg_putchar('\n'); | |
| 2158 | |
| 2159 ui_breakcheck(); | |
| 2160 if (got_int) | |
| 2161 { | |
| 2162 got_int = FALSE; /* don't print any more matches */ | |
| 2163 break; | |
| 2164 } | |
| 2165 | |
| 2166 num++; | |
| 2167 } /* for all matches */ | |
| 2168 | |
| 2169 vim_free(buf); | |
| 2170 } /* cs_print_tags_priv */ | |
| 2171 | |
| 2172 | |
| 2173 /* | |
| 2174 * PRIVATE: cs_read_prompt | |
| 2175 * | |
| 2176 * read a cscope prompt (basically, skip over the ">> ") | |
| 2177 */ | |
| 2178 static int | |
| 2179 cs_read_prompt(i) | |
| 2180 int i; | |
| 2181 { | |
| 2182 int ch; | |
| 2183 char *buf = NULL; /* buffer for possible error message from cscope */ | |
| 2184 int bufpos = 0; | |
| 2185 char *cs_emsg; | |
| 2186 int maxlen; | |
| 2187 static char *eprompt = "Press the RETURN key to continue:"; | |
| 835 | 2188 int epromptlen = (int)strlen(eprompt); |
| 7 | 2189 int n; |
| 2190 | |
| 2191 cs_emsg = _("E609: Cscope error: %s"); | |
| 2192 /* compute maximum allowed len for Cscope error message */ | |
| 2193 maxlen = (int)(IOSIZE - strlen(cs_emsg)); | |
| 2194 | |
| 2195 for (;;) | |
| 2196 { | |
| 2197 while ((ch = getc(csinfo[i].fr_fp)) != EOF && ch != CSCOPE_PROMPT[0]) | |
| 2198 /* if there is room and char is printable */ | |
| 2199 if (bufpos < maxlen - 1 && vim_isprintc(ch)) | |
| 2200 { | |
| 2201 if (buf == NULL) /* lazy buffer allocation */ | |
| 2202 buf = (char *)alloc(maxlen); | |
| 2203 if (buf != NULL) | |
| 2204 { | |
| 2205 /* append character to the message */ | |
| 2206 buf[bufpos++] = ch; | |
| 2207 buf[bufpos] = NUL; | |
| 2208 if (bufpos >= epromptlen | |
| 2209 && strcmp(&buf[bufpos - epromptlen], eprompt) == 0) | |
| 2210 { | |
| 2211 /* remove eprompt from buf */ | |
| 2212 buf[bufpos - epromptlen] = NUL; | |
| 2213 | |
| 2214 /* print message to user */ | |
| 2215 (void)EMSG2(cs_emsg, buf); | |
| 2216 | |
| 2217 /* send RETURN to cscope */ | |
| 2218 (void)putc('\n', csinfo[i].to_fp); | |
| 2219 (void)fflush(csinfo[i].to_fp); | |
| 2220 | |
| 2221 /* clear buf */ | |
| 2222 bufpos = 0; | |
| 2223 buf[bufpos] = NUL; | |
| 2224 } | |
| 2225 } | |
| 2226 } | |
| 2227 | |
| 2228 for (n = 0; n < (int)strlen(CSCOPE_PROMPT); ++n) | |
| 2229 { | |
| 2230 if (n > 0) | |
| 2231 ch = getc(csinfo[i].fr_fp); | |
| 2232 if (ch == EOF) | |
| 2233 { | |
| 2234 PERROR("cs_read_prompt EOF"); | |
| 2235 if (buf != NULL && buf[0] != NUL) | |
| 2236 (void)EMSG2(cs_emsg, buf); | |
| 2237 else if (p_csverbose) | |
| 2238 cs_reading_emsg(i); /* don't have additional information */ | |
| 2239 cs_release_csp(i, TRUE); | |
| 2240 vim_free(buf); | |
| 2241 return CSCOPE_FAILURE; | |
| 2242 } | |
| 2243 | |
| 2244 if (ch != CSCOPE_PROMPT[n]) | |
| 2245 { | |
| 2246 ch = EOF; | |
| 2247 break; | |
| 2248 } | |
| 2249 } | |
| 2250 | |
| 2251 if (ch == EOF) | |
| 2252 continue; /* didn't find the prompt */ | |
| 2253 break; /* did find the prompt */ | |
| 2254 } | |
| 2255 | |
| 2256 vim_free(buf); | |
| 2257 return CSCOPE_SUCCESS; | |
| 2258 } | |
| 2259 | |
| 1566 | 2260 #if defined(UNIX) && defined(SIGALRM) |
| 2261 /* | |
| 2262 * Used to catch and ignore SIGALRM below. | |
| 2263 */ | |
| 2264 static RETSIGTYPE | |
| 2265 sig_handler SIGDEFARG(sigarg) | |
| 2266 { | |
| 2267 /* do nothing */ | |
| 2268 SIGRETURN; | |
| 2269 } | |
| 2270 #endif | |
| 7 | 2271 |
| 2272 /* | |
| 2273 * PRIVATE: cs_release_csp | |
| 2274 * | |
| 1385 | 2275 * Does the actual free'ing for the cs ptr with an optional flag of whether |
| 2276 * or not to free the filename. Called by cs_kill and cs_reset. | |
| 7 | 2277 */ |
| 2278 static void | |
| 2279 cs_release_csp(i, freefnpp) | |
| 2280 int i; | |
| 2281 int freefnpp; | |
| 2282 { | |
| 2283 /* | |
| 2284 * Trying to exit normally (not sure whether it is fit to UNIX cscope | |
| 2285 */ | |
| 2286 if (csinfo[i].to_fp != NULL) | |
| 2287 { | |
| 2288 (void)fputs("q\n", csinfo[i].to_fp); | |
| 2289 (void)fflush(csinfo[i].to_fp); | |
| 2290 } | |
| 1566 | 2291 #if defined(UNIX) |
| 2292 { | |
| 1575 | 2293 int waitpid_errno; |
| 1566 | 2294 int pstat; |
| 2295 pid_t pid; | |
| 2296 | |
| 2297 # if defined(HAVE_SIGACTION) | |
| 2298 struct sigaction sa, old; | |
| 2299 | |
| 1568 | 2300 /* Use sigaction() to limit the waiting time to two seconds. */ |
| 2301 sigemptyset(&sa.sa_mask); | |
| 1566 | 2302 sa.sa_handler = sig_handler; |
|
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2303 # ifdef SA_NODEFER |
| 1566 | 2304 sa.sa_flags = SA_NODEFER; |
|
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2305 # else |
|
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2306 sa.sa_flags = 0; |
|
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|
2307 # endif |
| 1566 | 2308 sigaction(SIGALRM, &sa, &old); |
| 2309 alarm(2); /* 2 sec timeout */ | |
| 2310 | |
| 2311 /* Block until cscope exits or until timer expires */ | |
| 2312 pid = waitpid(csinfo[i].pid, &pstat, 0); | |
| 1575 | 2313 waitpid_errno = errno; |
| 1566 | 2314 |
| 2315 /* cancel pending alarm if still there and restore signal */ | |
| 2316 alarm(0); | |
| 2317 sigaction(SIGALRM, &old, NULL); | |
| 2318 # else | |
| 2319 int waited; | |
| 2320 | |
| 2321 /* Can't use sigaction(), loop for two seconds. First yield the CPU | |
| 2322 * to give cscope a chance to exit quickly. */ | |
| 2323 sleep(0); | |
| 2324 for (waited = 0; waited < 40; ++waited) | |
| 2325 { | |
| 2326 pid = waitpid(csinfo[i].pid, &pstat, WNOHANG); | |
| 1575 | 2327 waitpid_errno = errno; |
| 1566 | 2328 if (pid != 0) |
| 2329 break; /* break unless the process is still running */ | |
| 1578 | 2330 mch_delay(50L, FALSE); /* sleep 50 ms */ |
| 1566 | 2331 } |
| 2332 # endif | |
| 2333 /* | |
| 2334 * If the cscope process is still running: kill it. | |
| 2335 * Safety check: If the PID would be zero here, the entire X session | |
| 2336 * would be killed. -1 and 1 are dangerous as well. | |
| 2337 */ | |
| 2338 if (pid < 0 && csinfo[i].pid > 1) | |
| 2339 { | |
| 1575 | 2340 # ifdef ECHILD |
| 2341 int alive = TRUE; | |
| 2342 | |
| 2343 if (waitpid_errno == ECHILD) | |
| 2344 { | |
| 2345 /* | |
| 2346 * When using 'vim -g', vim is forked and cscope process is | |
| 2347 * no longer a child process but a sibling. So waitpid() | |
| 2348 * fails with errno being ECHILD (No child processes). | |
| 2349 * Don't send SIGKILL to cscope immediately but wait | |
| 2350 * (polling) for it to exit normally as result of sending | |
| 2351 * the "q" command, hence giving it a chance to clean up | |
| 2352 * its temporary files. | |
| 2353 */ | |
| 2354 int waited; | |
| 2355 | |
| 2356 sleep(0); | |
| 2357 for (waited = 0; waited < 40; ++waited) | |
| 2358 { | |
| 2359 /* Check whether cscope process is still alive */ | |
| 2360 if (kill(csinfo[i].pid, 0) != 0) | |
| 2361 { | |
| 2362 alive = FALSE; /* cscope process no longer exists */ | |
| 2363 break; | |
| 2364 } | |
| 1578 | 2365 mch_delay(50L, FALSE); /* sleep 50ms */ |
| 1575 | 2366 } |
| 2367 } | |
| 2368 if (alive) | |
| 2369 # endif | |
| 2370 { | |
| 2371 kill(csinfo[i].pid, SIGKILL); | |
| 2372 (void)waitpid(csinfo[i].pid, &pstat, 0); | |
| 2373 } | |
| 1566 | 2374 } |
| 2375 } | |
| 2376 #else /* !UNIX */ | |
| 1385 | 2377 if (csinfo[i].hProc != NULL) |
| 2378 { | |
| 2379 /* Give cscope a chance to exit normally */ | |
| 2380 if (WaitForSingleObject(csinfo[i].hProc, 1000) == WAIT_TIMEOUT) | |
| 2381 TerminateProcess(csinfo[i].hProc, 0); | |
| 2382 CloseHandle(csinfo[i].hProc); | |
| 2383 } | |
| 7 | 2384 #endif |
| 2385 | |
| 2386 if (csinfo[i].fr_fp != NULL) | |
| 2387 (void)fclose(csinfo[i].fr_fp); | |
| 2388 if (csinfo[i].to_fp != NULL) | |
| 2389 (void)fclose(csinfo[i].to_fp); | |
| 2390 | |
| 2391 if (freefnpp) | |
| 2392 { | |
| 2393 vim_free(csinfo[i].fname); | |
| 2394 vim_free(csinfo[i].ppath); | |
| 2395 vim_free(csinfo[i].flags); | |
| 2396 } | |
| 2397 | |
| 2398 clear_csinfo(i); | |
| 2399 } /* cs_release_csp */ | |
| 2400 | |
| 2401 | |
| 2402 /* | |
| 2403 * PRIVATE: cs_reset | |
| 2404 * | |
| 2405 * calls cs_kill on all cscope connections then reinits | |
| 2406 */ | |
| 2407 static int | |
| 2408 cs_reset(eap) | |
| 1880 | 2409 exarg_T *eap UNUSED; |
| 7 | 2410 { |
| 2411 char **dblist = NULL, **pplist = NULL, **fllist = NULL; | |
| 2412 int i; | |
| 273 | 2413 char buf[20]; /* for sprintf " (#%d)" */ |
| 7 | 2414 |
| 1931 | 2415 if (csinfo_size == 0) |
| 2416 return CSCOPE_SUCCESS; | |
| 2417 | |
| 7 | 2418 /* malloc our db and ppath list */ |
| 1931 | 2419 dblist = (char **)alloc(csinfo_size * sizeof(char *)); |
| 2420 pplist = (char **)alloc(csinfo_size * sizeof(char *)); | |
| 2421 fllist = (char **)alloc(csinfo_size * sizeof(char *)); | |
| 7 | 2422 if (dblist == NULL || pplist == NULL || fllist == NULL) |
| 2423 { | |
| 2424 vim_free(dblist); | |
| 2425 vim_free(pplist); | |
| 2426 vim_free(fllist); | |
| 2427 return CSCOPE_FAILURE; | |
| 2428 } | |
| 2429 | |
| 1931 | 2430 for (i = 0; i < csinfo_size; i++) |
| 7 | 2431 { |
| 2432 dblist[i] = csinfo[i].fname; | |
| 2433 pplist[i] = csinfo[i].ppath; | |
| 2434 fllist[i] = csinfo[i].flags; | |
| 2435 if (csinfo[i].fname != NULL) | |
| 2436 cs_release_csp(i, FALSE); | |
| 2437 } | |
| 2438 | |
| 2439 /* rebuild the cscope connection list */ | |
| 1931 | 2440 for (i = 0; i < csinfo_size; i++) |
| 7 | 2441 { |
| 2442 if (dblist[i] != NULL) | |
| 2443 { | |
| 2444 cs_add_common(dblist[i], pplist[i], fllist[i]); | |
| 2445 if (p_csverbose) | |
| 2446 { | |
| 1372 | 2447 /* don't use smsg_attr() because we want to display the |
| 7 | 2448 * connection number in the same line as |
| 2449 * "Added cscope database..." | |
| 2450 */ | |
| 2451 sprintf(buf, " (#%d)", i); | |
| 2452 MSG_PUTS_ATTR(buf, hl_attr(HLF_R)); | |
| 2453 } | |
| 2454 } | |
| 2455 vim_free(dblist[i]); | |
| 2456 vim_free(pplist[i]); | |
| 2457 vim_free(fllist[i]); | |
| 2458 } | |
| 2459 vim_free(dblist); | |
| 2460 vim_free(pplist); | |
| 2461 vim_free(fllist); | |
| 2462 | |
| 2463 if (p_csverbose) | |
| 2464 MSG_ATTR(_("All cscope databases reset"), hl_attr(HLF_R) | MSG_HIST); | |
| 2465 return CSCOPE_SUCCESS; | |
| 2466 } /* cs_reset */ | |
| 2467 | |
| 2468 | |
| 2469 /* | |
| 2470 * PRIVATE: cs_resolve_file | |
| 2471 * | |
| 2472 * construct the full pathname to a file found in the cscope database. | |
| 2473 * (Prepends ppath, if there is one and if it's not already prepended, | |
| 2474 * otherwise just uses the name found.) | |
| 2475 * | |
| 2476 * we need to prepend the prefix because on some cscope's (e.g., the one that | |
| 2477 * ships with Solaris 2.6), the output never has the prefix prepended. | |
| 2478 * contrast this with my development system (Digital Unix), which does. | |
| 2479 */ | |
| 2480 static char * | |
| 2481 cs_resolve_file(i, name) | |
| 2482 int i; | |
| 2483 char *name; | |
| 2484 { | |
| 2485 char *fullname; | |
| 2486 int len; | |
| 2487 | |
| 2488 /* | |
| 2489 * ppath is freed when we destroy the cscope connection. | |
| 2490 * fullname is freed after cs_make_vim_style_matches, after it's been | |
| 2491 * copied into the tag buffer used by vim | |
| 2492 */ | |
| 835 | 2493 len = (int)(strlen(name) + 2); |
| 7 | 2494 if (csinfo[i].ppath != NULL) |
| 835 | 2495 len += (int)strlen(csinfo[i].ppath); |
| 7 | 2496 |
| 2497 if ((fullname = (char *)alloc(len)) == NULL) | |
| 2498 return NULL; | |
| 2499 | |
| 2500 /* | |
| 2501 * note/example: this won't work if the cscope output already starts | |
| 2502 * "../.." and the prefix path is also "../..". if something like this | |
| 2503 * happens, you are screwed up and need to fix how you're using cscope. | |
| 2504 */ | |
| 2505 if (csinfo[i].ppath != NULL && | |
| 2506 (strncmp(name, csinfo[i].ppath, strlen(csinfo[i].ppath)) != 0) && | |
| 2507 (name[0] != '/') | |
| 2508 #ifdef WIN32 | |
| 2509 && name[0] != '\\' && name[1] != ':' | |
| 2510 #endif | |
| 2511 ) | |
| 2512 (void)sprintf(fullname, "%s/%s", csinfo[i].ppath, name); | |
| 2513 else | |
| 2514 (void)sprintf(fullname, "%s", name); | |
| 2515 | |
| 2516 return fullname; | |
| 2517 } /* cs_resolve_file */ | |
| 2518 | |
| 2519 | |
| 2520 /* | |
| 2521 * PRIVATE: cs_show | |
| 2522 * | |
| 2523 * show all cscope connections | |
| 2524 */ | |
| 2525 static int | |
| 2526 cs_show(eap) | |
| 1880 | 2527 exarg_T *eap UNUSED; |
| 7 | 2528 { |
| 2529 short i; | |
| 2530 if (cs_cnt_connections() == 0) | |
| 2531 MSG_PUTS(_("no cscope connections\n")); | |
| 2532 else | |
| 2533 { | |
| 2534 MSG_PUTS_ATTR( | |
| 2535 _(" # pid database name prepend path\n"), | |
| 2536 hl_attr(HLF_T)); | |
| 1931 | 2537 for (i = 0; i < csinfo_size; i++) |
| 7 | 2538 { |
| 2539 if (csinfo[i].fname == NULL) | |
| 2540 continue; | |
| 2541 | |
| 2542 if (csinfo[i].ppath != NULL) | |
| 2543 (void)smsg((char_u *)"%2d %-5ld %-34s %-32s", | |
| 2544 i, (long)csinfo[i].pid, csinfo[i].fname, csinfo[i].ppath); | |
| 2545 else | |
| 2546 (void)smsg((char_u *)"%2d %-5ld %-34s <none>", | |
| 2547 i, (long)csinfo[i].pid, csinfo[i].fname); | |
| 2548 } | |
| 2549 } | |
| 2550 | |
| 2551 wait_return(TRUE); | |
| 2552 return CSCOPE_SUCCESS; | |
| 2553 } /* cs_show */ | |
| 2554 | |
| 1385 | 2555 |
| 2556 /* | |
| 2557 * PUBLIC: cs_end | |
| 2558 * | |
| 2559 * Only called when VIM exits to quit any cscope sessions. | |
| 2560 */ | |
| 2561 void | |
| 2562 cs_end() | |
| 2563 { | |
| 2564 int i; | |
| 2565 | |
| 1931 | 2566 for (i = 0; i < csinfo_size; i++) |
| 1385 | 2567 cs_release_csp(i, TRUE); |
| 1931 | 2568 vim_free(csinfo); |
| 2569 csinfo_size = 0; | |
| 1385 | 2570 } |
| 2571 | |
| 7 | 2572 #endif /* FEAT_CSCOPE */ |
| 2573 | |
| 2574 /* the end */ |