Mercurial > vim
annotate src/if_cscope.c @ 6466:b5df99582638 v7.4.562
updated for version 7.4.562
Problem: Segfault with wide screen and error in 'rulerformat'. (Ingo Karkat)
Solution: Check there is enough space. (Christian Brabandt)
| author | Bram Moolenaar <bram@vim.org> |
|---|---|
| date | Wed, 07 Jan 2015 13:31:52 +0100 |
| parents | 89143424f604 |
| children | f8f2a61e538d |
| 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 <sys/types.h> | |
| 17 #include <sys/stat.h> | |
| 18 #if defined(UNIX) | |
| 19 # include <sys/wait.h> | |
| 20 #endif | |
| 21 #include "if_cscope.h" | |
| 22 | |
| 23 static void cs_usage_msg __ARGS((csid_e x)); | |
| 24 static int cs_add __ARGS((exarg_T *eap)); | |
| 25 static void cs_stat_emsg __ARGS((char *fname)); | |
| 26 static int cs_add_common __ARGS((char *, char *, char *)); | |
| 27 static int cs_check_for_connections __ARGS((void)); | |
| 28 static int cs_check_for_tags __ARGS((void)); | |
| 29 static int cs_cnt_connections __ARGS((void)); | |
| 30 static void cs_reading_emsg __ARGS((int idx)); | |
| 31 static int cs_cnt_matches __ARGS((int idx)); | |
| 32 static char * cs_create_cmd __ARGS((char *csoption, char *pattern)); | |
| 33 static int cs_create_connection __ARGS((int i)); | |
| 34 static void do_cscope_general __ARGS((exarg_T *eap, int make_split)); | |
| 636 | 35 #ifdef FEAT_QUICKFIX |
| 7 | 36 static void cs_file_results __ARGS((FILE *, int *)); |
| 636 | 37 #endif |
| 7 | 38 static void cs_fill_results __ARGS((char *, int , int *, char ***, |
| 39 char ***, int *)); | |
| 40 static int cs_find __ARGS((exarg_T *eap)); | |
|
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parents:
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|
41 static int cs_find_common __ARGS((char *opt, char *pat, int, int, int, char_u *cmdline)); |
| 7 | 42 static int cs_help __ARGS((exarg_T *eap)); |
| 43 static void clear_csinfo __ARGS((int i)); | |
| 44 static int cs_insert_filelist __ARGS((char *, char *, char *, | |
| 45 struct stat *)); | |
| 46 static int cs_kill __ARGS((exarg_T *eap)); | |
| 47 static void cs_kill_execute __ARGS((int, char *)); | |
| 48 static cscmd_T * cs_lookup_cmd __ARGS((exarg_T *eap)); | |
| 49 static char * cs_make_vim_style_matches __ARGS((char *, char *, | |
| 50 char *, char *)); | |
| 51 static char * cs_manage_matches __ARGS((char **, char **, int, mcmd_e)); | |
| 52 static char * cs_parse_results __ARGS((int cnumber, char *buf, int bufsize, char **context, char **linenumber, char **search)); | |
| 53 static char * cs_pathcomponents __ARGS((char *path)); | |
| 54 static void cs_print_tags_priv __ARGS((char **, char **, int)); | |
| 1385 | 55 static int cs_read_prompt __ARGS((int)); |
| 7 | 56 static void cs_release_csp __ARGS((int, int freefnpp)); |
| 57 static int cs_reset __ARGS((exarg_T *eap)); | |
| 58 static char * cs_resolve_file __ARGS((int, char *)); | |
| 59 static int cs_show __ARGS((exarg_T *eap)); | |
| 60 | |
| 61 | |
| 1931 | 62 static csinfo_T * csinfo = NULL; |
| 63 static int csinfo_size = 0; /* number of items allocated in | |
| 64 csinfo[] */ | |
| 65 | |
| 1372 | 66 static int eap_arg_len; /* length of eap->arg, set in |
| 67 cs_lookup_cmd() */ | |
| 7 | 68 static cscmd_T cs_cmds[] = |
| 69 { | |
| 70 { "add", cs_add, | |
| 71 N_("Add a new database"), "add file|dir [pre-path] [flags]", 0 }, | |
| 72 { "find", cs_find, | |
| 1706 | 73 N_("Query for a pattern"), "find c|d|e|f|g|i|s|t name", 1 }, |
| 7 | 74 { "help", cs_help, |
| 75 N_("Show this message"), "help", 0 }, | |
| 76 { "kill", cs_kill, | |
| 77 N_("Kill a connection"), "kill #", 0 }, | |
| 78 { "reset", cs_reset, | |
| 79 N_("Reinit all connections"), "reset", 0 }, | |
| 80 { "show", cs_show, | |
| 81 N_("Show connections"), "show", 0 }, | |
| 1880 | 82 { NULL, NULL, NULL, NULL, 0 } |
| 7 | 83 }; |
| 84 | |
| 85 static void | |
| 86 cs_usage_msg(x) | |
| 87 csid_e x; | |
| 88 { | |
| 89 (void)EMSG2(_("E560: Usage: cs[cope] %s"), cs_cmds[(int)x].usage); | |
| 90 } | |
| 91 | |
| 1845 | 92 #if defined(FEAT_CMDL_COMPL) || defined(PROTO) |
| 93 | |
| 94 static enum | |
| 95 { | |
| 96 EXP_CSCOPE_SUBCMD, /* expand ":cscope" sub-commands */ | |
| 1858 | 97 EXP_SCSCOPE_SUBCMD, /* expand ":scscope" sub-commands */ |
| 1845 | 98 EXP_CSCOPE_FIND, /* expand ":cscope find" arguments */ |
| 99 EXP_CSCOPE_KILL /* expand ":cscope kill" arguments */ | |
| 100 } expand_what; | |
| 101 | |
| 102 /* | |
| 103 * Function given to ExpandGeneric() to obtain the cscope command | |
| 104 * expansion. | |
| 105 */ | |
| 106 char_u * | |
| 107 get_cscope_name(xp, idx) | |
| 1880 | 108 expand_T *xp UNUSED; |
| 1845 | 109 int idx; |
| 110 { | |
| 1858 | 111 int current_idx; |
| 112 int i; | |
| 113 | |
| 1845 | 114 switch (expand_what) |
| 115 { | |
| 116 case EXP_CSCOPE_SUBCMD: | |
| 117 /* Complete with sub-commands of ":cscope": | |
| 118 * add, find, help, kill, reset, show */ | |
| 119 return (char_u *)cs_cmds[idx].name; | |
| 1858 | 120 case EXP_SCSCOPE_SUBCMD: |
| 121 /* Complete with sub-commands of ":scscope": same sub-commands as | |
| 122 * ":cscope" but skip commands which don't support split windows */ | |
| 123 for (i = 0, current_idx = 0; cs_cmds[i].name != NULL; i++) | |
| 124 if (cs_cmds[i].cansplit) | |
| 125 if (current_idx++ == idx) | |
| 126 break; | |
| 127 return (char_u *)cs_cmds[i].name; | |
| 1845 | 128 case EXP_CSCOPE_FIND: |
| 129 { | |
| 130 const char *query_type[] = | |
| 131 { | |
| 132 "c", "d", "e", "f", "g", "i", "s", "t", NULL | |
| 133 }; | |
| 134 | |
| 135 /* Complete with query type of ":cscope find {query_type}". | |
| 136 * {query_type} can be letters (c, d, ... t) or numbers (0, 1, | |
| 137 * ..., 8) but only complete with letters, since numbers are | |
| 138 * redundant. */ | |
| 139 return (char_u *)query_type[idx]; | |
| 140 } | |
| 141 case EXP_CSCOPE_KILL: | |
| 142 { | |
| 1931 | 143 static char connection[5]; |
| 1845 | 144 |
| 145 /* ":cscope kill" accepts connection numbers or partial names of | |
| 146 * the pathname of the cscope database as argument. Only complete | |
| 147 * with connection numbers. -1 can also be used to kill all | |
| 148 * connections. */ | |
| 1931 | 149 for (i = 0, current_idx = 0; i < csinfo_size; i++) |
| 1845 | 150 { |
| 151 if (csinfo[i].fname == NULL) | |
| 152 continue; | |
| 153 if (current_idx++ == idx) | |
| 154 { | |
| 1931 | 155 vim_snprintf(connection, sizeof(connection), "%d", i); |
| 156 return (char_u *)connection; | |
| 1845 | 157 } |
| 158 } | |
| 159 return (current_idx == idx && idx > 0) ? (char_u *)"-1" : NULL; | |
| 160 } | |
| 161 default: | |
| 162 return NULL; | |
| 163 } | |
| 164 } | |
| 165 | |
| 166 /* | |
| 167 * Handle command line completion for :cscope command. | |
| 168 */ | |
| 169 void | |
| 1858 | 170 set_context_in_cscope_cmd(xp, arg, cmdidx) |
| 1845 | 171 expand_T *xp; |
| 172 char_u *arg; | |
| 1858 | 173 cmdidx_T cmdidx; |
| 1845 | 174 { |
| 175 char_u *p; | |
| 176 | |
| 177 /* Default: expand subcommands */ | |
| 178 xp->xp_context = EXPAND_CSCOPE; | |
| 179 xp->xp_pattern = arg; | |
| 1858 | 180 expand_what = (cmdidx == CMD_scscope) |
| 181 ? EXP_SCSCOPE_SUBCMD : EXP_CSCOPE_SUBCMD; | |
| 1845 | 182 |
| 183 /* (part of) subcommand already typed */ | |
| 184 if (*arg != NUL) | |
| 185 { | |
| 186 p = skiptowhite(arg); | |
| 187 if (*p != NUL) /* past first word */ | |
| 188 { | |
| 189 xp->xp_pattern = skipwhite(p); | |
| 190 if (*skiptowhite(xp->xp_pattern) != NUL) | |
| 191 xp->xp_context = EXPAND_NOTHING; | |
| 192 else if (STRNICMP(arg, "add", p - arg) == 0) | |
| 193 xp->xp_context = EXPAND_FILES; | |
| 194 else if (STRNICMP(arg, "kill", p - arg) == 0) | |
| 195 expand_what = EXP_CSCOPE_KILL; | |
| 196 else if (STRNICMP(arg, "find", p - arg) == 0) | |
| 197 expand_what = EXP_CSCOPE_FIND; | |
| 198 else | |
| 199 xp->xp_context = EXPAND_NOTHING; | |
| 200 } | |
| 201 } | |
| 202 } | |
| 203 | |
| 204 #endif /* FEAT_CMDL_COMPL */ | |
| 205 | |
| 7 | 206 /* |
| 207 * PRIVATE: do_cscope_general | |
| 208 * | |
| 1845 | 209 * Find the command, print help if invalid, and then call the corresponding |
| 210 * command function. | |
| 7 | 211 */ |
| 212 static void | |
| 213 do_cscope_general(eap, make_split) | |
| 214 exarg_T *eap; | |
| 215 int make_split; /* whether to split window */ | |
| 216 { | |
| 217 cscmd_T *cmdp; | |
| 218 | |
| 219 if ((cmdp = cs_lookup_cmd(eap)) == NULL) | |
| 220 { | |
| 221 cs_help(eap); | |
| 222 return; | |
| 223 } | |
| 224 | |
| 225 #ifdef FEAT_WINDOWS | |
| 226 if (make_split) | |
| 227 { | |
| 228 if (!cmdp->cansplit) | |
| 229 { | |
| 230 (void)MSG_PUTS(_("This cscope command does not support splitting the window.\n")); | |
| 231 return; | |
| 232 } | |
| 233 postponed_split = -1; | |
| 234 postponed_split_flags = cmdmod.split; | |
| 1090 | 235 postponed_split_tab = cmdmod.tab; |
| 7 | 236 } |
| 237 #endif | |
| 238 | |
| 239 cmdp->func(eap); | |
| 240 | |
| 241 #ifdef FEAT_WINDOWS | |
| 242 postponed_split_flags = 0; | |
| 1090 | 243 postponed_split_tab = 0; |
| 7 | 244 #endif |
| 245 } | |
| 246 | |
| 247 /* | |
| 248 * PUBLIC: do_cscope | |
| 249 */ | |
| 250 void | |
| 251 do_cscope(eap) | |
| 252 exarg_T *eap; | |
| 253 { | |
| 254 do_cscope_general(eap, FALSE); | |
| 255 } | |
| 256 | |
| 257 /* | |
| 258 * PUBLIC: do_scscope | |
| 259 * | |
| 260 * same as do_cscope, but splits window, too. | |
| 261 */ | |
| 262 void | |
| 263 do_scscope(eap) | |
| 264 exarg_T *eap; | |
| 265 { | |
| 266 do_cscope_general(eap, TRUE); | |
| 267 } | |
| 268 | |
| 269 /* | |
| 270 * PUBLIC: do_cstag | |
| 271 * | |
| 272 */ | |
| 273 void | |
| 274 do_cstag(eap) | |
| 275 exarg_T *eap; | |
| 276 { | |
| 277 int ret = FALSE; | |
| 278 | |
| 1621 | 279 if (*eap->arg == NUL) |
| 7 | 280 { |
| 281 (void)EMSG(_("E562: Usage: cstag <ident>")); | |
| 282 return; | |
| 283 } | |
| 284 | |
| 285 switch (p_csto) | |
| 286 { | |
| 287 case 0 : | |
| 288 if (cs_check_for_connections()) | |
| 289 { | |
| 665 | 290 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
|
291 FALSE, *eap->cmdlinep); |
| 7 | 292 if (ret == FALSE) |
| 293 { | |
| 294 cs_free_tags(); | |
| 295 if (msg_col) | |
| 296 msg_putchar('\n'); | |
| 297 | |
| 298 if (cs_check_for_tags()) | |
| 299 ret = do_tag(eap->arg, DT_JUMP, 0, eap->forceit, FALSE); | |
| 300 } | |
| 301 } | |
| 302 else if (cs_check_for_tags()) | |
| 303 { | |
| 304 ret = do_tag(eap->arg, DT_JUMP, 0, eap->forceit, FALSE); | |
| 305 } | |
| 306 break; | |
| 307 case 1 : | |
| 308 if (cs_check_for_tags()) | |
| 309 { | |
| 310 ret = do_tag(eap->arg, DT_JUMP, 0, eap->forceit, FALSE); | |
| 311 if (ret == FALSE) | |
| 312 { | |
| 313 if (msg_col) | |
| 314 msg_putchar('\n'); | |
| 315 | |
| 316 if (cs_check_for_connections()) | |
| 317 { | |
| 318 ret = cs_find_common("g", (char *)(eap->arg), eap->forceit, | |
|
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Bram Moolenaar <bram@vim.org>
parents:
2278
diff
changeset
|
319 FALSE, FALSE, *eap->cmdlinep); |
| 7 | 320 if (ret == FALSE) |
| 321 cs_free_tags(); | |
| 322 } | |
| 323 } | |
| 324 } | |
| 325 else if (cs_check_for_connections()) | |
| 326 { | |
| 665 | 327 ret = cs_find_common("g", (char *)(eap->arg), eap->forceit, FALSE, |
|
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Bram Moolenaar <bram@vim.org>
parents:
2278
diff
changeset
|
328 FALSE, *eap->cmdlinep); |
| 7 | 329 if (ret == FALSE) |
| 330 cs_free_tags(); | |
| 331 } | |
| 332 break; | |
| 333 default : | |
| 334 break; | |
| 335 } | |
| 336 | |
| 337 if (!ret) | |
| 338 { | |
| 339 (void)EMSG(_("E257: cstag: tag not found")); | |
| 340 #if defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX) | |
| 341 g_do_tagpreview = 0; | |
| 342 #endif | |
| 343 } | |
| 344 | |
| 345 } /* do_cscope */ | |
| 346 | |
| 347 | |
| 348 /* | |
| 349 * PUBLIC: cs_find | |
| 350 * | |
| 351 * this simulates a vim_fgets(), but for cscope, returns the next line | |
| 352 * from the cscope output. should only be called from find_tags() | |
| 353 * | |
| 354 * returns TRUE if eof, FALSE otherwise | |
| 355 */ | |
| 356 int | |
| 357 cs_fgets(buf, size) | |
| 358 char_u *buf; | |
| 359 int size; | |
| 360 { | |
| 361 char *p; | |
| 362 | |
| 363 if ((p = cs_manage_matches(NULL, NULL, -1, Get)) == NULL) | |
| 364 return TRUE; | |
| 1372 | 365 vim_strncpy(buf, (char_u *)p, size - 1); |
| 7 | 366 |
| 367 return FALSE; | |
| 368 } /* cs_fgets */ | |
| 369 | |
| 370 | |
| 371 /* | |
| 372 * PUBLIC: cs_free_tags | |
| 373 * | |
| 374 * called only from do_tag(), when popping the tag stack | |
| 375 */ | |
| 376 void | |
| 377 cs_free_tags() | |
| 378 { | |
| 379 cs_manage_matches(NULL, NULL, -1, Free); | |
| 380 } | |
| 381 | |
| 382 | |
| 383 /* | |
| 384 * PUBLIC: cs_print_tags | |
| 385 * | |
| 386 * called from do_tag() | |
| 387 */ | |
| 388 void | |
| 389 cs_print_tags() | |
| 390 { | |
| 391 cs_manage_matches(NULL, NULL, -1, Print); | |
| 392 } | |
| 393 | |
| 394 | |
| 395 /* | |
| 396 * "cscope_connection([{num} , {dbpath} [, {prepend}]])" function | |
| 397 * | |
| 398 * Checks for the existence of a |cscope| connection. If no | |
| 399 * parameters are specified, then the function returns: | |
| 400 * | |
| 401 * 0, if cscope was not available (not compiled in), or if there | |
| 402 * are no cscope connections; or | |
| 403 * 1, if there is at least one cscope connection. | |
| 404 * | |
| 405 * If parameters are specified, then the value of {num} | |
| 406 * determines how existence of a cscope connection is checked: | |
| 407 * | |
| 408 * {num} Description of existence check | |
| 409 * ----- ------------------------------ | |
| 410 * 0 Same as no parameters (e.g., "cscope_connection()"). | |
| 411 * 1 Ignore {prepend}, and use partial string matches for | |
| 412 * {dbpath}. | |
| 413 * 2 Ignore {prepend}, and use exact string matches for | |
| 414 * {dbpath}. | |
| 415 * 3 Use {prepend}, use partial string matches for both | |
| 416 * {dbpath} and {prepend}. | |
| 417 * 4 Use {prepend}, use exact string matches for both | |
| 418 * {dbpath} and {prepend}. | |
| 419 * | |
| 420 * Note: All string comparisons are case sensitive! | |
| 421 */ | |
| 422 #if defined(FEAT_EVAL) || defined(PROTO) | |
| 423 int | |
| 424 cs_connection(num, dbpath, ppath) | |
| 425 int num; | |
| 426 char_u *dbpath; | |
| 427 char_u *ppath; | |
| 428 { | |
| 429 int i; | |
| 430 | |
| 431 if (num < 0 || num > 4 || (num > 0 && !dbpath)) | |
| 432 return FALSE; | |
| 433 | |
| 1931 | 434 for (i = 0; i < csinfo_size; i++) |
| 7 | 435 { |
| 436 if (!csinfo[i].fname) | |
| 437 continue; | |
| 438 | |
| 439 if (num == 0) | |
| 440 return TRUE; | |
| 441 | |
| 442 switch (num) | |
| 443 { | |
| 444 case 1: | |
| 445 if (strstr(csinfo[i].fname, (char *)dbpath)) | |
| 446 return TRUE; | |
| 447 break; | |
| 448 case 2: | |
| 449 if (strcmp(csinfo[i].fname, (char *)dbpath) == 0) | |
| 450 return TRUE; | |
| 451 break; | |
| 452 case 3: | |
| 453 if (strstr(csinfo[i].fname, (char *)dbpath) | |
| 454 && ((!ppath && !csinfo[i].ppath) | |
| 455 || (ppath | |
| 456 && csinfo[i].ppath | |
| 457 && strstr(csinfo[i].ppath, (char *)ppath)))) | |
| 458 return TRUE; | |
| 459 break; | |
| 460 case 4: | |
| 461 if ((strcmp(csinfo[i].fname, (char *)dbpath) == 0) | |
| 462 && ((!ppath && !csinfo[i].ppath) | |
| 463 || (ppath | |
| 464 && csinfo[i].ppath | |
| 465 && (strcmp(csinfo[i].ppath, (char *)ppath) == 0)))) | |
| 466 return TRUE; | |
| 467 break; | |
| 468 } | |
| 469 } | |
| 470 | |
| 471 return FALSE; | |
| 472 } /* cs_connection */ | |
| 473 #endif | |
| 474 | |
| 475 | |
| 476 /* | |
| 477 * PRIVATE functions | |
| 478 ****************************************************************************/ | |
| 479 | |
| 480 /* | |
| 481 * PRIVATE: cs_add | |
| 482 * | |
| 483 * add cscope database or a directory name (to look for cscope.out) | |
| 1372 | 484 * to the cscope connection list |
| 7 | 485 * |
| 486 * MAXPATHL 256 | |
| 487 */ | |
| 488 static int | |
| 489 cs_add(eap) | |
| 1880 | 490 exarg_T *eap UNUSED; |
| 7 | 491 { |
| 492 char *fname, *ppath, *flags = NULL; | |
| 493 | |
| 494 if ((fname = strtok((char *)NULL, (const char *)" ")) == NULL) | |
| 495 { | |
| 496 cs_usage_msg(Add); | |
| 497 return CSCOPE_FAILURE; | |
| 498 } | |
| 499 if ((ppath = strtok((char *)NULL, (const char *)" ")) != NULL) | |
| 500 flags = strtok((char *)NULL, (const char *)" "); | |
| 501 | |
| 502 return cs_add_common(fname, ppath, flags); | |
| 503 } | |
| 504 | |
| 505 static void | |
| 506 cs_stat_emsg(fname) | |
| 507 char *fname; | |
| 508 { | |
| 509 char *stat_emsg = _("E563: stat(%s) error: %d"); | |
| 510 char *buf = (char *)alloc((unsigned)strlen(stat_emsg) + MAXPATHL + 10); | |
| 511 | |
| 512 if (buf != NULL) | |
| 513 { | |
| 514 (void)sprintf(buf, stat_emsg, fname, errno); | |
| 515 (void)EMSG(buf); | |
| 516 vim_free(buf); | |
| 517 } | |
| 518 else | |
| 519 (void)EMSG(_("E563: stat error")); | |
| 520 } | |
| 521 | |
| 522 | |
| 523 /* | |
| 524 * PRIVATE: cs_add_common | |
| 525 * | |
| 526 * the common routine to add a new cscope connection. called by | |
| 527 * cs_add() and cs_reset(). i really don't like to do this, but this | |
| 528 * routine uses a number of goto statements. | |
| 529 */ | |
| 530 static int | |
| 531 cs_add_common(arg1, arg2, flags) | |
| 532 char *arg1; /* filename - may contain environment variables */ | |
| 533 char *arg2; /* prepend path - may contain environment variables */ | |
| 534 char *flags; | |
| 535 { | |
| 536 struct stat statbuf; | |
| 12 | 537 int ret; |
| 538 char *fname = NULL; | |
| 539 char *fname2 = NULL; | |
| 540 char *ppath = NULL; | |
| 541 int i; | |
|
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Bram Moolenaar <bram@vim.org>
parents:
4581
diff
changeset
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542 #ifdef FEAT_MODIFY_FNAME |
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04b8912a9c85
updated for version 7.3.1180
Bram Moolenaar <bram@vim.org>
parents:
4581
diff
changeset
|
543 int len; |
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04b8912a9c85
updated for version 7.3.1180
Bram Moolenaar <bram@vim.org>
parents:
4581
diff
changeset
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544 int usedlen = 0; |
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04b8912a9c85
updated for version 7.3.1180
Bram Moolenaar <bram@vim.org>
parents:
4581
diff
changeset
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545 char_u *fbuf = NULL; |
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04b8912a9c85
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parents:
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changeset
|
546 #endif |
| 7 | 547 |
| 548 /* get the filename (arg1), expand it, and try to stat it */ | |
| 12 | 549 if ((fname = (char *)alloc(MAXPATHL + 1)) == NULL) |
| 7 | 550 goto add_err; |
| 551 | |
| 552 expand_env((char_u *)arg1, (char_u *)fname, MAXPATHL); | |
|
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553 #ifdef FEAT_MODIFY_FNAME |
|
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554 len = (int)STRLEN(fname); |
|
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555 fbuf = (char_u *)fname; |
|
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556 (void)modify_fname((char_u *)":p", &usedlen, |
|
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557 (char_u **)&fname, &fbuf, &len); |
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558 if (fname == NULL) |
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559 goto add_err; |
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560 fname = (char *)vim_strnsave((char_u *)fname, len); |
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561 vim_free(fbuf); |
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562 #endif |
| 7 | 563 ret = stat(fname, &statbuf); |
| 564 if (ret < 0) | |
| 565 { | |
| 566 staterr: | |
| 567 if (p_csverbose) | |
| 568 cs_stat_emsg(fname); | |
| 569 goto add_err; | |
| 570 } | |
| 571 | |
| 572 /* get the prepend path (arg2), expand it, and try to stat it */ | |
| 573 if (arg2 != NULL) | |
| 574 { | |
| 575 struct stat statbuf2; | |
| 576 | |
| 12 | 577 if ((ppath = (char *)alloc(MAXPATHL + 1)) == NULL) |
| 7 | 578 goto add_err; |
| 579 | |
| 580 expand_env((char_u *)arg2, (char_u *)ppath, MAXPATHL); | |
| 581 ret = stat(ppath, &statbuf2); | |
| 582 if (ret < 0) | |
| 583 goto staterr; | |
| 584 } | |
| 585 | |
| 586 /* if filename is a directory, append the cscope database name to it */ | |
| 587 if ((statbuf.st_mode & S_IFMT) == S_IFDIR) | |
| 588 { | |
| 835 | 589 fname2 = (char *)alloc((unsigned)(strlen(CSCOPE_DBFILE) + strlen(fname) + 2)); |
| 7 | 590 if (fname2 == NULL) |
| 591 goto add_err; | |
| 592 | |
| 593 while (fname[strlen(fname)-1] == '/' | |
| 594 #ifdef WIN32 | |
| 595 || fname[strlen(fname)-1] == '\\' | |
| 596 #endif | |
| 597 ) | |
| 598 { | |
| 599 fname[strlen(fname)-1] = '\0'; | |
|
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|
600 if (fname[0] == '\0') |
| 7 | 601 break; |
| 602 } | |
| 603 if (fname[0] == '\0') | |
| 604 (void)sprintf(fname2, "/%s", CSCOPE_DBFILE); | |
| 605 else | |
| 606 (void)sprintf(fname2, "%s/%s", fname, CSCOPE_DBFILE); | |
| 607 | |
| 608 ret = stat(fname2, &statbuf); | |
| 609 if (ret < 0) | |
| 610 { | |
| 611 if (p_csverbose) | |
| 612 cs_stat_emsg(fname2); | |
| 613 goto add_err; | |
| 614 } | |
| 615 | |
| 616 i = cs_insert_filelist(fname2, ppath, flags, &statbuf); | |
| 617 } | |
| 618 #if defined(UNIX) | |
| 619 else if (S_ISREG(statbuf.st_mode) || S_ISLNK(statbuf.st_mode)) | |
| 620 #else | |
| 1385 | 621 /* WIN32 - substitute define S_ISREG from os_unix.h */ |
| 7 | 622 else if (((statbuf.st_mode) & S_IFMT) == S_IFREG) |
| 623 #endif | |
| 624 { | |
| 625 i = cs_insert_filelist(fname, ppath, flags, &statbuf); | |
| 626 } | |
| 627 else | |
| 628 { | |
| 629 if (p_csverbose) | |
| 630 (void)EMSG2( | |
| 631 _("E564: %s is not a directory or a valid cscope database"), | |
| 632 fname); | |
| 633 goto add_err; | |
| 634 } | |
| 635 | |
| 636 if (i != -1) | |
| 637 { | |
| 638 if (cs_create_connection(i) == CSCOPE_FAILURE | |
| 639 || cs_read_prompt(i) == CSCOPE_FAILURE) | |
| 640 { | |
| 641 cs_release_csp(i, TRUE); | |
| 642 goto add_err; | |
| 643 } | |
| 644 | |
| 645 if (p_csverbose) | |
| 646 { | |
| 647 msg_clr_eos(); | |
| 648 (void)smsg_attr(hl_attr(HLF_R), | |
| 649 (char_u *)_("Added cscope database %s"), | |
| 650 csinfo[i].fname); | |
| 651 } | |
| 652 } | |
| 653 | |
| 654 vim_free(fname); | |
| 655 vim_free(fname2); | |
| 656 vim_free(ppath); | |
| 657 return CSCOPE_SUCCESS; | |
| 658 | |
| 659 add_err: | |
| 660 vim_free(fname2); | |
| 661 vim_free(fname); | |
| 662 vim_free(ppath); | |
| 663 return CSCOPE_FAILURE; | |
| 664 } /* cs_add_common */ | |
| 665 | |
| 666 | |
| 667 static int | |
| 668 cs_check_for_connections() | |
| 669 { | |
| 670 return (cs_cnt_connections() > 0); | |
| 671 } /* cs_check_for_connections */ | |
| 672 | |
| 673 | |
| 674 static int | |
| 675 cs_check_for_tags() | |
| 676 { | |
| 301 | 677 return (p_tags[0] != NUL && curbuf->b_p_tags != NULL); |
| 7 | 678 } /* cs_check_for_tags */ |
| 679 | |
| 680 | |
| 681 /* | |
| 682 * PRIVATE: cs_cnt_connections | |
| 683 * | |
| 684 * count the number of cscope connections | |
| 685 */ | |
| 686 static int | |
| 687 cs_cnt_connections() | |
| 688 { | |
| 689 short i; | |
| 690 short cnt = 0; | |
| 691 | |
| 1931 | 692 for (i = 0; i < csinfo_size; i++) |
| 7 | 693 { |
| 694 if (csinfo[i].fname != NULL) | |
| 695 cnt++; | |
| 696 } | |
| 697 return cnt; | |
| 698 } /* cs_cnt_connections */ | |
| 699 | |
| 700 static void | |
| 701 cs_reading_emsg(idx) | |
| 702 int idx; /* connection index */ | |
| 703 { | |
| 704 EMSGN(_("E262: error reading cscope connection %ld"), idx); | |
| 705 } | |
| 706 | |
| 707 #define CSREAD_BUFSIZE 2048 | |
| 708 /* | |
| 709 * PRIVATE: cs_cnt_matches | |
| 710 * | |
| 711 * count the number of matches for a given cscope connection. | |
| 712 */ | |
| 713 static int | |
| 714 cs_cnt_matches(idx) | |
| 715 int idx; | |
| 716 { | |
| 717 char *stok; | |
| 718 char *buf; | |
| 719 int nlines; | |
| 720 | |
| 721 buf = (char *)alloc(CSREAD_BUFSIZE); | |
| 722 if (buf == NULL) | |
| 723 return 0; | |
| 724 for (;;) | |
| 725 { | |
| 726 if (!fgets(buf, CSREAD_BUFSIZE, csinfo[idx].fr_fp)) | |
| 727 { | |
| 728 if (feof(csinfo[idx].fr_fp)) | |
| 729 errno = EIO; | |
| 730 | |
| 731 cs_reading_emsg(idx); | |
| 732 | |
| 733 vim_free(buf); | |
| 734 return -1; | |
| 735 } | |
| 736 | |
| 737 /* | |
| 738 * If the database is out of date, or there's some other problem, | |
| 739 * cscope will output error messages before the number-of-lines output. | |
| 740 * Display/discard any output that doesn't match what we want. | |
| 1058 | 741 * Accept "\S*cscope: X lines", also matches "mlcscope". |
| 7 | 742 */ |
| 743 if ((stok = strtok(buf, (const char *)" ")) == NULL) | |
| 744 continue; | |
| 1058 | 745 if (strstr((const char *)stok, "cscope:") == NULL) |
| 7 | 746 continue; |
| 747 | |
| 748 if ((stok = strtok(NULL, (const char *)" ")) == NULL) | |
| 749 continue; | |
| 750 nlines = atoi(stok); | |
| 751 if (nlines < 0) | |
| 752 { | |
| 753 nlines = 0; | |
| 754 break; | |
| 755 } | |
| 756 | |
| 757 if ((stok = strtok(NULL, (const char *)" ")) == NULL) | |
| 758 continue; | |
| 759 if (strncmp((const char *)stok, "lines", 5)) | |
| 760 continue; | |
| 761 | |
| 762 break; | |
| 763 } | |
| 764 | |
| 765 vim_free(buf); | |
| 766 return nlines; | |
| 767 } /* cs_cnt_matches */ | |
| 768 | |
| 769 | |
| 770 /* | |
| 771 * PRIVATE: cs_create_cmd | |
| 772 * | |
| 773 * Creates the actual cscope command query from what the user entered. | |
| 774 */ | |
| 775 static char * | |
| 776 cs_create_cmd(csoption, pattern) | |
| 777 char *csoption; | |
| 778 char *pattern; | |
| 779 { | |
| 780 char *cmd; | |
| 781 short search; | |
| 1847 | 782 char *pat; |
| 7 | 783 |
| 784 switch (csoption[0]) | |
| 785 { | |
| 786 case '0' : case 's' : | |
| 787 search = 0; | |
| 788 break; | |
| 789 case '1' : case 'g' : | |
| 790 search = 1; | |
| 791 break; | |
| 792 case '2' : case 'd' : | |
| 793 search = 2; | |
| 794 break; | |
| 795 case '3' : case 'c' : | |
| 796 search = 3; | |
| 797 break; | |
| 798 case '4' : case 't' : | |
| 799 search = 4; | |
| 800 break; | |
| 801 case '6' : case 'e' : | |
| 802 search = 6; | |
| 803 break; | |
| 804 case '7' : case 'f' : | |
| 805 search = 7; | |
| 806 break; | |
| 807 case '8' : case 'i' : | |
| 808 search = 8; | |
| 809 break; | |
| 810 default : | |
| 811 (void)EMSG(_("E561: unknown cscope search type")); | |
| 812 cs_usage_msg(Find); | |
| 813 return NULL; | |
| 814 } | |
| 815 | |
| 1847 | 816 /* Skip white space before the patter, except for text and pattern search, |
| 817 * they may want to use the leading white space. */ | |
| 818 pat = pattern; | |
| 819 if (search != 4 && search != 6) | |
| 820 while vim_iswhite(*pat) | |
| 821 ++pat; | |
| 822 | |
| 823 if ((cmd = (char *)alloc((unsigned)(strlen(pat) + 2))) == NULL) | |
| 7 | 824 return NULL; |
| 825 | |
| 1847 | 826 (void)sprintf(cmd, "%d%s", search, pat); |
| 7 | 827 |
| 828 return cmd; | |
| 829 } /* cs_create_cmd */ | |
| 830 | |
| 831 | |
| 832 /* | |
| 833 * PRIVATE: cs_create_connection | |
| 834 * | |
| 835 * This piece of code was taken/adapted from nvi. do we need to add | |
| 836 * the BSD license notice? | |
| 837 */ | |
| 838 static int | |
| 839 cs_create_connection(i) | |
| 840 int i; | |
| 841 { | |
| 1385 | 842 #ifdef UNIX |
| 843 int to_cs[2], from_cs[2]; | |
| 844 #endif | |
| 845 int len; | |
| 846 char *prog, *cmd, *ppath = NULL; | |
| 847 #ifdef WIN32 | |
| 848 int fd; | |
| 849 SECURITY_ATTRIBUTES sa; | |
| 850 PROCESS_INFORMATION pi; | |
| 851 STARTUPINFO si; | |
| 852 BOOL pipe_stdin = FALSE, pipe_stdout = FALSE; | |
| 853 HANDLE stdin_rd, stdout_rd; | |
| 854 HANDLE stdout_wr, stdin_wr; | |
| 855 BOOL created; | |
| 1393 | 856 # ifdef __BORLANDC__ |
| 857 # define OPEN_OH_ARGTYPE long | |
| 858 # else | |
| 859 # if (_MSC_VER >= 1300) | |
| 860 # define OPEN_OH_ARGTYPE intptr_t | |
| 861 # else | |
| 862 # define OPEN_OH_ARGTYPE long | |
| 863 # endif | |
| 864 # endif | |
| 7 | 865 #endif |
| 866 | |
| 1385 | 867 #if defined(UNIX) |
| 7 | 868 /* |
| 869 * Cscope reads from to_cs[0] and writes to from_cs[1]; vi reads from | |
| 870 * from_cs[0] and writes to to_cs[1]. | |
| 871 */ | |
| 872 to_cs[0] = to_cs[1] = from_cs[0] = from_cs[1] = -1; | |
| 873 if (pipe(to_cs) < 0 || pipe(from_cs) < 0) | |
| 874 { | |
| 875 (void)EMSG(_("E566: Could not create cscope pipes")); | |
| 876 err_closing: | |
| 877 if (to_cs[0] != -1) | |
| 878 (void)close(to_cs[0]); | |
| 879 if (to_cs[1] != -1) | |
| 880 (void)close(to_cs[1]); | |
| 881 if (from_cs[0] != -1) | |
| 882 (void)close(from_cs[0]); | |
| 883 if (from_cs[1] != -1) | |
| 884 (void)close(from_cs[1]); | |
| 885 return CSCOPE_FAILURE; | |
| 886 } | |
| 887 | |
| 888 switch (csinfo[i].pid = fork()) | |
| 889 { | |
| 890 case -1: | |
| 891 (void)EMSG(_("E622: Could not fork for cscope")); | |
| 892 goto err_closing; | |
| 893 case 0: /* child: run cscope. */ | |
| 894 if (dup2(to_cs[0], STDIN_FILENO) == -1) | |
| 895 PERROR("cs_create_connection 1"); | |
| 896 if (dup2(from_cs[1], STDOUT_FILENO) == -1) | |
| 897 PERROR("cs_create_connection 2"); | |
| 898 if (dup2(from_cs[1], STDERR_FILENO) == -1) | |
| 899 PERROR("cs_create_connection 3"); | |
| 900 | |
| 901 /* close unused */ | |
| 902 (void)close(to_cs[1]); | |
| 903 (void)close(from_cs[0]); | |
| 904 #else | |
| 1385 | 905 /* WIN32 */ |
| 906 /* Create pipes to communicate with cscope */ | |
| 907 sa.nLength = sizeof(SECURITY_ATTRIBUTES); | |
| 908 sa.bInheritHandle = TRUE; | |
| 909 sa.lpSecurityDescriptor = NULL; | |
| 910 | |
| 911 if (!(pipe_stdin = CreatePipe(&stdin_rd, &stdin_wr, &sa, 0)) | |
| 912 || !(pipe_stdout = CreatePipe(&stdout_rd, &stdout_wr, &sa, 0))) | |
| 913 { | |
| 914 (void)EMSG(_("E566: Could not create cscope pipes")); | |
| 915 err_closing: | |
| 916 if (pipe_stdin) | |
| 917 { | |
| 918 CloseHandle(stdin_rd); | |
| 919 CloseHandle(stdin_wr); | |
| 920 } | |
| 921 if (pipe_stdout) | |
| 922 { | |
| 923 CloseHandle(stdout_rd); | |
| 924 CloseHandle(stdout_wr); | |
| 925 } | |
| 926 return CSCOPE_FAILURE; | |
| 927 } | |
| 7 | 928 #endif |
| 929 /* expand the cscope exec for env var's */ | |
| 930 if ((prog = (char *)alloc(MAXPATHL + 1)) == NULL) | |
| 931 { | |
| 932 #ifdef UNIX | |
| 933 return CSCOPE_FAILURE; | |
| 934 #else | |
| 1385 | 935 /* WIN32 */ |
| 7 | 936 goto err_closing; |
| 937 #endif | |
| 938 } | |
| 939 expand_env((char_u *)p_csprg, (char_u *)prog, MAXPATHL); | |
| 940 | |
| 941 /* alloc space to hold the cscope command */ | |
| 835 | 942 len = (int)(strlen(prog) + strlen(csinfo[i].fname) + 32); |
| 7 | 943 if (csinfo[i].ppath) |
| 944 { | |
| 945 /* expand the prepend path for env var's */ | |
| 946 if ((ppath = (char *)alloc(MAXPATHL + 1)) == NULL) | |
| 947 { | |
| 948 vim_free(prog); | |
| 949 #ifdef UNIX | |
| 950 return CSCOPE_FAILURE; | |
| 951 #else | |
| 1385 | 952 /* WIN32 */ |
| 7 | 953 goto err_closing; |
| 954 #endif | |
| 955 } | |
| 956 expand_env((char_u *)csinfo[i].ppath, (char_u *)ppath, MAXPATHL); | |
| 957 | |
| 835 | 958 len += (int)strlen(ppath); |
| 7 | 959 } |
| 960 | |
| 961 if (csinfo[i].flags) | |
| 835 | 962 len += (int)strlen(csinfo[i].flags); |
| 7 | 963 |
| 964 if ((cmd = (char *)alloc(len)) == NULL) | |
| 965 { | |
| 966 vim_free(prog); | |
| 967 vim_free(ppath); | |
| 968 #ifdef UNIX | |
| 969 return CSCOPE_FAILURE; | |
| 970 #else | |
| 1385 | 971 /* WIN32 */ |
| 7 | 972 goto err_closing; |
| 973 #endif | |
| 974 } | |
| 975 | |
| 976 /* run the cscope command; is there execl for non-unix systems? */ | |
| 977 #if defined(UNIX) | |
| 978 (void)sprintf(cmd, "exec %s -dl -f %s", prog, csinfo[i].fname); | |
| 979 #else | |
| 1385 | 980 /* WIN32 */ |
| 7 | 981 (void)sprintf(cmd, "%s -dl -f %s", prog, csinfo[i].fname); |
| 982 #endif | |
| 983 if (csinfo[i].ppath != NULL) | |
| 984 { | |
| 985 (void)strcat(cmd, " -P"); | |
| 986 (void)strcat(cmd, csinfo[i].ppath); | |
| 987 } | |
| 988 if (csinfo[i].flags != NULL) | |
| 989 { | |
| 990 (void)strcat(cmd, " "); | |
| 991 (void)strcat(cmd, csinfo[i].flags); | |
| 992 } | |
| 993 # ifdef UNIX | |
| 994 /* on Win32 we still need prog */ | |
| 995 vim_free(prog); | |
| 996 # endif | |
| 997 vim_free(ppath); | |
| 998 | |
| 999 #if defined(UNIX) | |
|
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changeset
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1000 # if defined(HAVE_SETSID) || defined(HAVE_SETPGID) |
|
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diff
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1001 /* Change our process group to avoid cscope receiving SIGWINCH. */ |
|
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diff
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|
1002 # if defined(HAVE_SETSID) |
|
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diff
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|
1003 (void)setsid(); |
|
d2f9f67924e7
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|
1004 # else |
|
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diff
changeset
|
1005 if (setpgid(0, 0) == -1) |
|
d2f9f67924e7
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diff
changeset
|
1006 PERROR(_("cs_create_connection setpgid failed")); |
|
d2f9f67924e7
updated for version 7.3.1276
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|
1007 # endif |
|
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|
1008 # endif |
| 1878 | 1009 if (execl("/bin/sh", "sh", "-c", cmd, (char *)NULL) == -1) |
| 7 | 1010 PERROR(_("cs_create_connection exec failed")); |
| 1011 | |
| 1012 exit(127); | |
| 1013 /* NOTREACHED */ | |
| 1014 default: /* parent. */ | |
| 1015 /* | |
| 1016 * Save the file descriptors for later duplication, and | |
| 1017 * reopen as streams. | |
| 1018 */ | |
| 1019 if ((csinfo[i].to_fp = fdopen(to_cs[1], "w")) == NULL) | |
| 1020 PERROR(_("cs_create_connection: fdopen for to_fp failed")); | |
| 1021 if ((csinfo[i].fr_fp = fdopen(from_cs[0], "r")) == NULL) | |
| 1022 PERROR(_("cs_create_connection: fdopen for fr_fp failed")); | |
| 1023 | |
| 1024 /* close unused */ | |
| 1025 (void)close(to_cs[0]); | |
| 1026 (void)close(from_cs[1]); | |
| 1027 | |
| 1028 break; | |
| 1029 } | |
| 1385 | 1030 |
| 7 | 1031 #else |
| 1385 | 1032 /* WIN32 */ |
| 1033 /* Create a new process to run cscope and use pipes to talk with it */ | |
| 1034 GetStartupInfo(&si); | |
| 1035 si.dwFlags = STARTF_USESTDHANDLES | STARTF_USESHOWWINDOW; | |
| 1036 si.wShowWindow = SW_HIDE; /* Hide child application window */ | |
| 1037 si.hStdOutput = stdout_wr; | |
| 1038 si.hStdError = stdout_wr; | |
| 1039 si.hStdInput = stdin_rd; | |
| 1040 created = CreateProcess(NULL, cmd, NULL, NULL, TRUE, CREATE_NEW_CONSOLE, | |
| 1041 NULL, NULL, &si, &pi); | |
| 1042 vim_free(prog); | |
| 1043 vim_free(cmd); | |
| 1044 | |
| 1045 if (!created) | |
| 1046 { | |
| 1047 PERROR(_("cs_create_connection exec failed")); | |
| 1048 (void)EMSG(_("E623: Could not spawn cscope process")); | |
| 1049 goto err_closing; | |
| 1050 } | |
| 1051 /* else */ | |
| 1052 csinfo[i].pid = pi.dwProcessId; | |
| 1053 csinfo[i].hProc = pi.hProcess; | |
| 1054 CloseHandle(pi.hThread); | |
| 1055 | |
| 1056 /* TODO - tidy up after failure to create files on pipe handles. */ | |
| 1393 | 1057 if (((fd = _open_osfhandle((OPEN_OH_ARGTYPE)stdin_wr, |
| 1058 _O_TEXT|_O_APPEND)) < 0) | |
| 1385 | 1059 || ((csinfo[i].to_fp = _fdopen(fd, "w")) == NULL)) |
| 1060 PERROR(_("cs_create_connection: fdopen for to_fp failed")); | |
| 1393 | 1061 if (((fd = _open_osfhandle((OPEN_OH_ARGTYPE)stdout_rd, |
| 1062 _O_TEXT|_O_RDONLY)) < 0) | |
| 1385 | 1063 || ((csinfo[i].fr_fp = _fdopen(fd, "r")) == NULL)) |
| 1064 PERROR(_("cs_create_connection: fdopen for fr_fp failed")); | |
| 1065 | |
| 1066 /* Close handles for file descriptors inherited by the cscope process */ | |
| 1067 CloseHandle(stdin_rd); | |
| 1068 CloseHandle(stdout_wr); | |
| 1069 | |
| 1070 #endif /* !UNIX */ | |
| 1071 | |
| 7 | 1072 return CSCOPE_SUCCESS; |
| 1073 } /* cs_create_connection */ | |
| 1074 | |
| 1075 | |
| 1076 /* | |
| 1077 * PRIVATE: cs_find | |
| 1078 * | |
| 1079 * query cscope using command line interface. parse the output and use tselect | |
| 1080 * to allow choices. like Nvi, creates a pipe to send to/from query/cscope. | |
| 1081 * | |
| 1082 * returns TRUE if we jump to a tag or abort, FALSE if not. | |
| 1083 */ | |
| 1084 static int | |
| 1085 cs_find(eap) | |
| 1086 exarg_T *eap; | |
| 1087 { | |
| 1088 char *opt, *pat; | |
|
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1089 int i; |
| 7 | 1090 |
| 1091 if (cs_check_for_connections() == FALSE) | |
| 1092 { | |
| 1093 (void)EMSG(_("E567: no cscope connections")); | |
| 1094 return FALSE; | |
| 1095 } | |
| 1096 | |
| 1097 if ((opt = strtok((char *)NULL, (const char *)" ")) == NULL) | |
| 1098 { | |
| 1099 cs_usage_msg(Find); | |
| 1100 return FALSE; | |
| 1101 } | |
| 1102 | |
| 1103 pat = opt + strlen(opt) + 1; | |
| 1372 | 1104 if (pat >= (char *)eap->arg + eap_arg_len) |
| 7 | 1105 { |
| 1106 cs_usage_msg(Find); | |
| 1107 return FALSE; | |
| 1108 } | |
| 1109 | |
|
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1110 /* |
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1111 * Let's replace the NULs written by strtok() with spaces - we need the |
|
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1112 * spaces to correctly display the quickfix/location list window's title. |
|
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1113 */ |
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1114 for (i = 0; i < eap_arg_len; ++i) |
|
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1115 if (NUL == eap->arg[i]) |
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1116 eap->arg[i] = ' '; |
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1117 |
| 665 | 1118 return cs_find_common(opt, pat, eap->forceit, TRUE, |
|
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1119 eap->cmdidx == CMD_lcscope, *eap->cmdlinep); |
| 7 | 1120 } /* cs_find */ |
| 1121 | |
| 1122 | |
| 1123 /* | |
| 1124 * PRIVATE: cs_find_common | |
| 1125 * | |
| 1126 * common code for cscope find, shared by cs_find() and do_cstag() | |
| 1127 */ | |
| 1128 static int | |
|
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1129 cs_find_common(opt, pat, forceit, verbose, use_ll, cmdline) |
| 7 | 1130 char *opt; |
| 1131 char *pat; | |
| 1132 int forceit; | |
| 1133 int verbose; | |
| 6428 | 1134 int use_ll UNUSED; |
| 1135 char_u *cmdline UNUSED; | |
| 7 | 1136 { |
| 1137 int i; | |
| 1138 char *cmd; | |
| 1931 | 1139 int *nummatches; |
| 1140 int totmatches; | |
| 7 | 1141 #ifdef FEAT_QUICKFIX |
| 1142 char cmdletter; | |
| 1143 char *qfpos; | |
|
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1144 |
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1145 /* get cmd letter */ |
|
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1146 switch (opt[0]) |
|
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1147 { |
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1148 case '0' : |
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1149 cmdletter = 's'; |
|
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1150 break; |
|
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1151 case '1' : |
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1152 cmdletter = 'g'; |
|
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1153 break; |
|
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1154 case '2' : |
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1155 cmdletter = 'd'; |
|
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1156 break; |
|
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1157 case '3' : |
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1158 cmdletter = 'c'; |
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1159 break; |
|
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1160 case '4' : |
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1161 cmdletter = 't'; |
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1162 break; |
|
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1163 case '6' : |
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1164 cmdletter = 'e'; |
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1165 break; |
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1166 case '7' : |
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1167 cmdletter = 'f'; |
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1168 break; |
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1169 case '8' : |
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1170 cmdletter = 'i'; |
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1171 break; |
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1172 default : |
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1173 cmdletter = opt[0]; |
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1174 } |
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1175 |
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1176 qfpos = (char *)vim_strchr(p_csqf, cmdletter); |
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1177 if (qfpos != NULL) |
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1178 { |
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1179 qfpos++; |
|
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1180 /* next symbol must be + or - */ |
|
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1181 if (strchr(CSQF_FLAGS, *qfpos) == NULL) |
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1182 { |
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1183 char *nf = _("E469: invalid cscopequickfix flag %c for %c"); |
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1184 char *buf = (char *)alloc((unsigned)strlen(nf)); |
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1185 |
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1186 /* strlen will be enough because we use chars */ |
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1187 if (buf != NULL) |
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1188 { |
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1189 sprintf(buf, nf, *qfpos, *(qfpos-1)); |
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1190 (void)EMSG(buf); |
|
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1191 vim_free(buf); |
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1192 } |
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1193 return FALSE; |
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1194 } |
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1195 |
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1196 # ifdef FEAT_AUTOCMD |
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1197 if (*qfpos != '0') |
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1198 { |
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1199 apply_autocmds(EVENT_QUICKFIXCMDPRE, (char_u *)"cscope", |
|
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1200 curbuf->b_fname, TRUE, curbuf); |
|
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1201 # ifdef FEAT_EVAL |
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1202 if (did_throw || force_abort) |
|
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1203 return FALSE; |
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1204 # endif |
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1205 } |
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1206 # endif |
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1207 } |
| 7 | 1208 #endif |
| 1209 | |
| 1210 /* create the actual command to send to cscope */ | |
| 1211 cmd = cs_create_cmd(opt, pat); | |
| 1212 if (cmd == NULL) | |
| 1213 return FALSE; | |
| 1214 | |
| 1931 | 1215 nummatches = (int *)alloc(sizeof(int)*csinfo_size); |
| 1216 if (nummatches == NULL) | |
| 1217 return FALSE; | |
| 1218 | |
| 4352 | 1219 /* Send query to all open connections, then count the total number |
| 1220 * of matches so we can alloc all in one swell foop. */ | |
| 1931 | 1221 for (i = 0; i < csinfo_size; i++) |
| 7 | 1222 nummatches[i] = 0; |
| 1223 totmatches = 0; | |
| 1931 | 1224 for (i = 0; i < csinfo_size; i++) |
| 7 | 1225 { |
| 1040 | 1226 if (csinfo[i].fname == NULL || csinfo[i].to_fp == NULL) |
| 7 | 1227 continue; |
| 1228 | |
| 1229 /* send cmd to cscope */ | |
| 1230 (void)fprintf(csinfo[i].to_fp, "%s\n", cmd); | |
| 1231 (void)fflush(csinfo[i].to_fp); | |
| 1232 | |
| 1233 nummatches[i] = cs_cnt_matches(i); | |
| 1234 | |
| 1235 if (nummatches[i] > -1) | |
| 1236 totmatches += nummatches[i]; | |
| 1237 | |
| 1238 if (nummatches[i] == 0) | |
| 1239 (void)cs_read_prompt(i); | |
| 1240 } | |
| 1241 vim_free(cmd); | |
| 1242 | |
| 1243 if (totmatches == 0) | |
| 1244 { | |
| 1245 char *nf = _("E259: no matches found for cscope query %s of %s"); | |
| 1246 char *buf; | |
| 1247 | |
| 1248 if (!verbose) | |
| 1931 | 1249 { |
| 1250 vim_free(nummatches); | |
| 7 | 1251 return FALSE; |
| 1931 | 1252 } |
| 7 | 1253 |
| 835 | 1254 buf = (char *)alloc((unsigned)(strlen(opt) + strlen(pat) + strlen(nf))); |
| 7 | 1255 if (buf == NULL) |
| 1256 (void)EMSG(nf); | |
| 1257 else | |
| 1258 { | |
| 1259 sprintf(buf, nf, opt, pat); | |
| 1260 (void)EMSG(buf); | |
| 1261 vim_free(buf); | |
| 1262 } | |
| 1931 | 1263 vim_free(nummatches); |
| 7 | 1264 return FALSE; |
| 1265 } | |
| 1266 | |
| 1267 #ifdef FEAT_QUICKFIX | |
| 36 | 1268 if (qfpos != NULL && *qfpos != '0' && totmatches > 0) |
| 7 | 1269 { |
| 1270 /* fill error list */ | |
| 1027 | 1271 FILE *f; |
| 1272 char_u *tmp = vim_tempname('c'); | |
| 665 | 1273 qf_info_T *qi = NULL; |
| 1274 win_T *wp = NULL; | |
| 7 | 1275 |
| 531 | 1276 f = mch_fopen((char *)tmp, "w"); |
| 1027 | 1277 if (f == NULL) |
| 1278 EMSG2(_(e_notopen), tmp); | |
| 1279 else | |
| 7 | 1280 { |
| 1027 | 1281 cs_file_results(f, nummatches); |
| 1282 fclose(f); | |
| 1283 if (use_ll) /* Use location list */ | |
| 1284 wp = curwin; | |
| 1285 /* '-' starts a new error list */ | |
| 1286 if (qf_init(wp, tmp, (char_u *)"%f%*\\t%l%*\\t%m", | |
|
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1287 *qfpos == '-', cmdline) > 0) |
| 1027 | 1288 { |
| 7 | 1289 # ifdef FEAT_WINDOWS |
| 1027 | 1290 if (postponed_split != 0) |
| 1291 { | |
| 1292 win_split(postponed_split > 0 ? postponed_split : 0, | |
| 7 | 1293 postponed_split_flags); |
| 2583 | 1294 RESET_BINDING(curwin); |
| 1027 | 1295 postponed_split = 0; |
| 1296 } | |
| 7 | 1297 # endif |
|
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1298 |
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1299 # ifdef FEAT_AUTOCMD |
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|
1300 apply_autocmds(EVENT_QUICKFIXCMDPOST, (char_u *)"cscope", |
|
ae22c450546c
updated for version 7.2.433
Bram Moolenaar <bram@zimbu.org>
parents:
2087
diff
changeset
|
1301 curbuf->b_fname, TRUE, curbuf); |
|
ae22c450546c
updated for version 7.2.433
Bram Moolenaar <bram@zimbu.org>
parents:
2087
diff
changeset
|
1302 # endif |
| 1027 | 1303 if (use_ll) |
| 1304 /* | |
| 1305 * In the location list window, use the displayed location | |
| 1306 * list. Otherwise, use the location list for the window. | |
| 1307 */ | |
| 1308 qi = (bt_quickfix(wp->w_buffer) && wp->w_llist_ref != NULL) | |
| 1309 ? wp->w_llist_ref : wp->w_llist; | |
| 1310 qf_jump(qi, 0, 0, forceit); | |
| 1311 } | |
| 7 | 1312 } |
| 1313 mch_remove(tmp); | |
| 1314 vim_free(tmp); | |
| 1931 | 1315 vim_free(nummatches); |
| 7 | 1316 return TRUE; |
| 1317 } | |
| 1318 else | |
| 1319 #endif /* FEAT_QUICKFIX */ | |
| 1320 { | |
| 944 | 1321 char **matches = NULL, **contexts = NULL; |
| 1322 int matched = 0; | |
| 1323 | |
| 7 | 1324 /* read output */ |
| 1325 cs_fill_results((char *)pat, totmatches, nummatches, &matches, | |
| 1326 &contexts, &matched); | |
| 1931 | 1327 vim_free(nummatches); |
| 7 | 1328 if (matches == NULL) |
| 1329 return FALSE; | |
| 1330 | |
| 293 | 1331 (void)cs_manage_matches(matches, contexts, matched, Store); |
| 7 | 1332 |
| 1333 return do_tag((char_u *)pat, DT_CSCOPE, 0, forceit, verbose); | |
| 1334 } | |
| 1335 | |
| 1336 } /* cs_find_common */ | |
| 1337 | |
| 1338 /* | |
| 1339 * PRIVATE: cs_help | |
| 1340 * | |
| 1341 * print help | |
| 1342 */ | |
| 1343 static int | |
| 1344 cs_help(eap) | |
| 1880 | 1345 exarg_T *eap UNUSED; |
| 7 | 1346 { |
| 1347 cscmd_T *cmdp = cs_cmds; | |
| 1348 | |
| 1349 (void)MSG_PUTS(_("cscope commands:\n")); | |
| 1350 while (cmdp->name != NULL) | |
| 1351 { | |
| 1793 | 1352 char *help = _(cmdp->help); |
| 1353 int space_cnt = 30 - vim_strsize((char_u *)help); | |
| 1354 | |
| 1355 /* Use %*s rather than %30s to ensure proper alignment in utf-8 */ | |
| 1356 if (space_cnt < 0) | |
| 1357 space_cnt = 0; | |
| 1358 (void)smsg((char_u *)_("%-5s: %s%*s (Usage: %s)"), | |
| 1359 cmdp->name, | |
| 1360 help, space_cnt, " ", | |
| 1361 cmdp->usage); | |
| 7 | 1362 if (strcmp(cmdp->name, "find") == 0) |
| 1706 | 1363 MSG_PUTS(_("\n" |
| 1364 " c: Find functions calling this function\n" | |
| 1365 " d: Find functions called by this function\n" | |
| 1366 " e: Find this egrep pattern\n" | |
| 1367 " f: Find this file\n" | |
| 1368 " g: Find this definition\n" | |
| 1369 " i: Find files #including this file\n" | |
| 1370 " s: Find this C symbol\n" | |
| 2671 | 1371 " t: Find this text string\n")); |
| 1706 | 1372 |
| 7 | 1373 cmdp++; |
| 1374 } | |
| 1375 | |
| 1376 wait_return(TRUE); | |
| 1377 return 0; | |
| 1378 } /* cs_help */ | |
| 1379 | |
| 1380 | |
| 1381 static void | |
| 1382 clear_csinfo(i) | |
| 1383 int i; | |
| 1384 { | |
| 1385 csinfo[i].fname = NULL; | |
| 1386 csinfo[i].ppath = NULL; | |
| 1387 csinfo[i].flags = NULL; | |
| 1388 #if defined(UNIX) | |
| 1389 csinfo[i].st_dev = (dev_t)0; | |
| 1390 csinfo[i].st_ino = (ino_t)0; | |
| 1391 #else | |
| 1392 csinfo[i].nVolume = 0; | |
| 1393 csinfo[i].nIndexHigh = 0; | |
| 1394 csinfo[i].nIndexLow = 0; | |
| 1395 #endif | |
| 1621 | 1396 csinfo[i].pid = 0; |
| 7 | 1397 csinfo[i].fr_fp = NULL; |
| 1398 csinfo[i].to_fp = NULL; | |
| 301 | 1399 #if defined(WIN32) |
| 1400 csinfo[i].hProc = NULL; | |
| 1401 #endif | |
| 7 | 1402 } |
| 1403 | |
| 1404 #ifndef UNIX | |
| 1405 static char *GetWin32Error __ARGS((void)); | |
| 1406 | |
| 1407 static char * | |
| 1408 GetWin32Error() | |
| 1409 { | |
| 1410 char *msg = NULL; | |
| 1411 FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER|FORMAT_MESSAGE_FROM_SYSTEM, | |
| 1412 NULL, GetLastError(), 0, (LPSTR)&msg, 0, NULL); | |
| 1413 if (msg != NULL) | |
| 1414 { | |
| 1415 /* remove trailing \r\n */ | |
| 1416 char *pcrlf = strstr(msg, "\r\n"); | |
| 1417 if (pcrlf != NULL) | |
| 1418 *pcrlf = '\0'; | |
| 1419 } | |
| 1420 return msg; | |
| 1421 } | |
| 1422 #endif | |
| 323 | 1423 |
| 7 | 1424 /* |
| 1425 * PRIVATE: cs_insert_filelist | |
| 1426 * | |
| 1427 * insert a new cscope database filename into the filelist | |
| 1428 */ | |
| 1429 static int | |
| 1430 cs_insert_filelist(fname, ppath, flags, sb) | |
| 1431 char *fname; | |
| 1432 char *ppath; | |
| 1433 char *flags; | |
| 1880 | 1434 struct stat *sb UNUSED; |
| 7 | 1435 { |
| 1436 short i, j; | |
| 1437 #ifndef UNIX | |
| 1438 BY_HANDLE_FILE_INFORMATION bhfi; | |
| 1439 | |
| 1440 /* On windows 9x GetFileInformationByHandle doesn't work, so skip it */ | |
| 1441 if (!mch_windows95()) | |
| 1442 { | |
| 2793 | 1443 switch (win32_fileinfo(fname, &bhfi)) |
| 7 | 1444 { |
| 2793 | 1445 case FILEINFO_ENC_FAIL: /* enc_to_utf16() failed */ |
| 1446 case FILEINFO_READ_FAIL: /* CreateFile() failed */ | |
| 7 | 1447 if (p_csverbose) |
| 1448 { | |
| 1449 char *cant_msg = _("E625: cannot open cscope database: %s"); | |
| 1450 char *winmsg = GetWin32Error(); | |
| 1451 | |
| 1452 if (winmsg != NULL) | |
| 1453 { | |
| 1454 (void)EMSG2(cant_msg, winmsg); | |
| 1455 LocalFree(winmsg); | |
| 1456 } | |
| 1457 else | |
| 1458 /* subst filename if can't get error text */ | |
| 1459 (void)EMSG2(cant_msg, fname); | |
| 1460 } | |
| 1461 return -1; | |
| 2793 | 1462 |
| 1463 case FILEINFO_INFO_FAIL: /* GetFileInformationByHandle() failed */ | |
| 7 | 1464 if (p_csverbose) |
| 1465 (void)EMSG(_("E626: cannot get cscope database information")); | |
| 1466 return -1; | |
| 1467 } | |
| 1468 } | |
| 1469 #endif | |
| 1470 | |
| 1471 i = -1; /* can be set to the index of an empty item in csinfo */ | |
| 1931 | 1472 for (j = 0; j < csinfo_size; j++) |
| 7 | 1473 { |
| 1474 if (csinfo[j].fname != NULL | |
| 1475 #if defined(UNIX) | |
| 1476 && csinfo[j].st_dev == sb->st_dev && csinfo[j].st_ino == sb->st_ino | |
| 1477 #else | |
| 1478 /* compare pathnames first */ | |
| 1479 && ((fullpathcmp(csinfo[j].fname, fname, FALSE) & FPC_SAME) | |
| 1372 | 1480 /* if not Windows 9x, test index file attributes too */ |
| 7 | 1481 || (!mch_windows95() |
| 1482 && csinfo[j].nVolume == bhfi.dwVolumeSerialNumber | |
| 1483 && csinfo[j].nIndexHigh == bhfi.nFileIndexHigh | |
| 1484 && csinfo[j].nIndexLow == bhfi.nFileIndexLow)) | |
| 1485 #endif | |
| 1486 ) | |
| 1487 { | |
| 1488 if (p_csverbose) | |
| 1489 (void)EMSG(_("E568: duplicate cscope database not added")); | |
| 1490 return -1; | |
| 1491 } | |
| 1492 | |
| 1493 if (csinfo[j].fname == NULL && i == -1) | |
| 1494 i = j; /* remember first empty entry */ | |
| 1495 } | |
| 1496 | |
| 1497 if (i == -1) | |
| 1498 { | |
| 1931 | 1499 i = csinfo_size; |
| 1500 if (csinfo_size == 0) | |
| 1501 { | |
| 1502 /* First time allocation: allocate only 1 connection. It should | |
| 1503 * be enough for most users. If more is needed, csinfo will be | |
| 1504 * reallocated. */ | |
| 1505 csinfo_size = 1; | |
| 1506 csinfo = (csinfo_T *)alloc_clear(sizeof(csinfo_T)); | |
| 1507 } | |
| 1508 else | |
| 1509 { | |
| 1510 /* Reallocate space for more connections. */ | |
| 1511 csinfo_size *= 2; | |
| 1512 csinfo = vim_realloc(csinfo, sizeof(csinfo_T)*csinfo_size); | |
| 1513 } | |
| 1514 if (csinfo == NULL) | |
| 1515 return -1; | |
| 1516 for (j = csinfo_size/2; j < csinfo_size; j++) | |
| 1517 clear_csinfo(j); | |
| 7 | 1518 } |
| 1519 | |
| 835 | 1520 if ((csinfo[i].fname = (char *)alloc((unsigned)strlen(fname)+1)) == NULL) |
| 7 | 1521 return -1; |
| 1522 | |
| 1523 (void)strcpy(csinfo[i].fname, (const char *)fname); | |
| 1524 | |
| 1525 if (ppath != NULL) | |
| 1526 { | |
| 835 | 1527 if ((csinfo[i].ppath = (char *)alloc((unsigned)strlen(ppath) + 1)) == NULL) |
| 7 | 1528 { |
| 1529 vim_free(csinfo[i].fname); | |
| 1530 csinfo[i].fname = NULL; | |
| 1531 return -1; | |
| 1532 } | |
| 1533 (void)strcpy(csinfo[i].ppath, (const char *)ppath); | |
| 1534 } else | |
| 1535 csinfo[i].ppath = NULL; | |
| 1536 | |
| 1537 if (flags != NULL) | |
| 1538 { | |
| 835 | 1539 if ((csinfo[i].flags = (char *)alloc((unsigned)strlen(flags) + 1)) == NULL) |
| 7 | 1540 { |
| 1541 vim_free(csinfo[i].fname); | |
| 1542 vim_free(csinfo[i].ppath); | |
| 1543 csinfo[i].fname = NULL; | |
| 1544 csinfo[i].ppath = NULL; | |
| 1545 return -1; | |
| 1546 } | |
| 1547 (void)strcpy(csinfo[i].flags, (const char *)flags); | |
| 1548 } else | |
| 1549 csinfo[i].flags = NULL; | |
| 1550 | |
| 1551 #if defined(UNIX) | |
| 1552 csinfo[i].st_dev = sb->st_dev; | |
| 1553 csinfo[i].st_ino = sb->st_ino; | |
| 1554 | |
| 1555 #else | |
| 1556 csinfo[i].nVolume = bhfi.dwVolumeSerialNumber; | |
| 1557 csinfo[i].nIndexLow = bhfi.nFileIndexLow; | |
| 1558 csinfo[i].nIndexHigh = bhfi.nFileIndexHigh; | |
| 1559 #endif | |
| 1560 return i; | |
| 1561 } /* cs_insert_filelist */ | |
| 1562 | |
| 1563 | |
| 1564 /* | |
| 1565 * PRIVATE: cs_lookup_cmd | |
| 1566 * | |
| 1567 * find cscope command in command table | |
| 1568 */ | |
| 1569 static cscmd_T * | |
| 1570 cs_lookup_cmd(eap) | |
| 1571 exarg_T *eap; | |
| 1572 { | |
| 1573 cscmd_T *cmdp; | |
| 1574 char *stok; | |
| 1575 size_t len; | |
| 1576 | |
| 1577 if (eap->arg == NULL) | |
| 1578 return NULL; | |
| 1579 | |
| 1372 | 1580 /* Store length of eap->arg before it gets modified by strtok(). */ |
| 1570 | 1581 eap_arg_len = (int)STRLEN(eap->arg); |
| 1372 | 1582 |
| 7 | 1583 if ((stok = strtok((char *)(eap->arg), (const char *)" ")) == NULL) |
| 1584 return NULL; | |
| 1585 | |
| 1586 len = strlen(stok); | |
| 1587 for (cmdp = cs_cmds; cmdp->name != NULL; ++cmdp) | |
| 1588 { | |
| 1589 if (strncmp((const char *)(stok), cmdp->name, len) == 0) | |
| 1590 return (cmdp); | |
| 1591 } | |
| 1592 return NULL; | |
| 1593 } /* cs_lookup_cmd */ | |
| 1594 | |
| 1595 | |
| 1596 /* | |
| 1597 * PRIVATE: cs_kill | |
| 1598 * | |
| 1599 * nuke em | |
| 1600 */ | |
| 1601 static int | |
| 1602 cs_kill(eap) | |
| 1880 | 1603 exarg_T *eap UNUSED; |
| 7 | 1604 { |
| 1605 char *stok; | |
| 1606 short i; | |
| 1607 | |
| 1608 if ((stok = strtok((char *)NULL, (const char *)" ")) == NULL) | |
| 1609 { | |
| 1610 cs_usage_msg(Kill); | |
| 1611 return CSCOPE_FAILURE; | |
| 1612 } | |
| 1613 | |
| 1614 /* only single digit positive and negative integers are allowed */ | |
| 1615 if ((strlen(stok) < 2 && VIM_ISDIGIT((int)(stok[0]))) | |
| 1616 || (strlen(stok) < 3 && stok[0] == '-' | |
| 1617 && VIM_ISDIGIT((int)(stok[1])))) | |
| 1618 i = atoi(stok); | |
| 1619 else | |
| 1620 { | |
| 1621 /* It must be part of a name. We will try to find a match | |
| 1622 * within all the names in the csinfo data structure | |
| 1623 */ | |
| 1931 | 1624 for (i = 0; i < csinfo_size; i++) |
| 7 | 1625 { |
| 1626 if (csinfo[i].fname != NULL && strstr(csinfo[i].fname, stok)) | |
| 1627 break; | |
| 1628 } | |
| 1629 } | |
| 1630 | |
| 1931 | 1631 if ((i != -1) && (i >= csinfo_size || i < -1 || csinfo[i].fname == NULL)) |
| 7 | 1632 { |
| 1633 if (p_csverbose) | |
| 1634 (void)EMSG2(_("E261: cscope connection %s not found"), stok); | |
| 1635 } | |
| 1636 else | |
| 1637 { | |
| 1638 if (i == -1) | |
| 1639 { | |
| 1931 | 1640 for (i = 0; i < csinfo_size; i++) |
| 7 | 1641 { |
| 1642 if (csinfo[i].fname) | |
| 1643 cs_kill_execute(i, csinfo[i].fname); | |
| 1644 } | |
| 1645 } | |
| 1646 else | |
| 1647 cs_kill_execute(i, stok); | |
| 1648 } | |
| 1649 | |
| 1650 return 0; | |
| 1651 } /* cs_kill */ | |
| 1652 | |
| 1653 | |
| 1654 /* | |
| 1655 * PRIVATE: cs_kill_execute | |
| 1656 * | |
| 1657 * Actually kills a specific cscope connection. | |
| 1658 */ | |
| 1659 static void | |
| 1660 cs_kill_execute(i, cname) | |
| 1661 int i; /* cscope table index */ | |
| 1662 char *cname; /* cscope database name */ | |
| 1663 { | |
| 1664 if (p_csverbose) | |
| 1665 { | |
| 1666 msg_clr_eos(); | |
| 1667 (void)smsg_attr(hl_attr(HLF_R) | MSG_HIST, | |
| 1668 (char_u *)_("cscope connection %s closed"), cname); | |
| 1669 } | |
| 1670 cs_release_csp(i, TRUE); | |
| 1671 } | |
| 1672 | |
| 1673 | |
| 1674 /* | |
| 1675 * PRIVATE: cs_make_vim_style_matches | |
| 1676 * | |
| 2671 | 1677 * convert the cscope output into a ctags style entry (as might be found |
| 7 | 1678 * in a ctags tags file). there's one catch though: cscope doesn't tell you |
| 1679 * the type of the tag you are looking for. for example, in Darren Hiebert's | |
| 1680 * ctags (the one that comes with vim), #define's use a line number to find the | |
| 1681 * tag in a file while function definitions use a regexp search pattern. | |
| 1682 * | |
| 1683 * i'm going to always use the line number because cscope does something | |
| 1684 * quirky (and probably other things i don't know about): | |
| 1685 * | |
| 1686 * if you have "# define" in your source file, which is | |
| 1687 * perfectly legal, cscope thinks you have "#define". this | |
| 1688 * will result in a failed regexp search. :( | |
| 1689 * | |
| 1690 * besides, even if this particular case didn't happen, the search pattern | |
| 1691 * would still have to be modified to escape all the special regular expression | |
| 1692 * characters to comply with ctags formatting. | |
| 1693 */ | |
| 1694 static char * | |
| 1695 cs_make_vim_style_matches(fname, slno, search, tagstr) | |
| 1696 char *fname; | |
| 1697 char *slno; | |
| 1698 char *search; | |
| 1699 char *tagstr; | |
| 1700 { | |
| 1701 /* vim style is ctags: | |
| 1702 * | |
| 1703 * <tagstr>\t<filename>\t<linenum_or_search>"\t<extra> | |
| 1704 * | |
| 1705 * but as mentioned above, we'll always use the line number and | |
| 1706 * put the search pattern (if one exists) as "extra" | |
| 1707 * | |
| 1708 * buf is used as part of vim's method of handling tags, and | |
| 1709 * (i think) vim frees it when you pop your tags and get replaced | |
| 1710 * by new ones on the tag stack. | |
| 1711 */ | |
| 1712 char *buf; | |
| 1713 int amt; | |
| 1714 | |
| 1715 if (search != NULL) | |
| 1716 { | |
| 835 | 1717 amt = (int)(strlen(fname) + strlen(slno) + strlen(tagstr) + strlen(search)+6); |
| 7 | 1718 if ((buf = (char *)alloc(amt)) == NULL) |
| 1719 return NULL; | |
| 1720 | |
| 1721 (void)sprintf(buf, "%s\t%s\t%s;\"\t%s", tagstr, fname, slno, search); | |
| 1722 } | |
| 1723 else | |
| 1724 { | |
| 835 | 1725 amt = (int)(strlen(fname) + strlen(slno) + strlen(tagstr) + 5); |
| 7 | 1726 if ((buf = (char *)alloc(amt)) == NULL) |
| 1727 return NULL; | |
| 1728 | |
| 1729 (void)sprintf(buf, "%s\t%s\t%s;\"", tagstr, fname, slno); | |
| 1730 } | |
| 1731 | |
| 1732 return buf; | |
| 1733 } /* cs_make_vim_style_matches */ | |
| 1734 | |
| 1735 | |
| 1736 /* | |
| 1737 * PRIVATE: cs_manage_matches | |
| 1738 * | |
| 1739 * this is kind of hokey, but i don't see an easy way round this.. | |
| 1740 * | |
| 1741 * Store: keep a ptr to the (malloc'd) memory of matches originally | |
| 1742 * generated from cs_find(). the matches are originally lines directly | |
| 1743 * from cscope output, but transformed to look like something out of a | |
| 1744 * ctags. see cs_make_vim_style_matches for more details. | |
| 1745 * | |
| 1746 * Get: used only from cs_fgets(), this simulates a vim_fgets() to return | |
| 1747 * the next line from the cscope output. it basically keeps track of which | |
| 1748 * lines have been "used" and returns the next one. | |
| 1749 * | |
| 1750 * Free: frees up everything and resets | |
| 1751 * | |
| 1752 * Print: prints the tags | |
| 1753 */ | |
| 1754 static char * | |
| 1755 cs_manage_matches(matches, contexts, totmatches, cmd) | |
| 1756 char **matches; | |
| 1757 char **contexts; | |
| 1758 int totmatches; | |
| 1759 mcmd_e cmd; | |
| 1760 { | |
| 1761 static char **mp = NULL; | |
| 1762 static char **cp = NULL; | |
| 1763 static int cnt = -1; | |
| 1764 static int next = -1; | |
| 1765 char *p = NULL; | |
| 1766 | |
| 1767 switch (cmd) | |
| 1768 { | |
| 1769 case Store: | |
| 1770 assert(matches != NULL); | |
| 1771 assert(totmatches > 0); | |
| 1772 if (mp != NULL || cp != NULL) | |
| 1773 (void)cs_manage_matches(NULL, NULL, -1, Free); | |
| 1774 mp = matches; | |
| 1775 cp = contexts; | |
| 1776 cnt = totmatches; | |
| 1777 next = 0; | |
| 1778 break; | |
| 1779 case Get: | |
| 1780 if (next >= cnt) | |
| 1781 return NULL; | |
| 1782 | |
| 1783 p = mp[next]; | |
| 1784 next++; | |
| 1785 break; | |
| 1786 case Free: | |
| 1787 if (mp != NULL) | |
| 1788 { | |
| 1789 if (cnt > 0) | |
| 1790 while (cnt--) | |
| 1791 { | |
| 1792 vim_free(mp[cnt]); | |
| 1793 if (cp != NULL) | |
| 1794 vim_free(cp[cnt]); | |
| 1795 } | |
| 1796 vim_free(mp); | |
| 1797 vim_free(cp); | |
| 1798 } | |
| 1799 mp = NULL; | |
| 1800 cp = NULL; | |
| 1801 cnt = 0; | |
| 1802 next = 0; | |
| 1803 break; | |
| 1804 case Print: | |
| 1805 cs_print_tags_priv(mp, cp, cnt); | |
| 1806 break; | |
| 1807 default: /* should not reach here */ | |
| 1808 (void)EMSG(_("E570: fatal error in cs_manage_matches")); | |
| 1809 return NULL; | |
| 1810 } | |
| 1811 | |
| 1812 return p; | |
| 1813 } /* cs_manage_matches */ | |
| 1814 | |
| 1815 | |
| 1816 /* | |
| 1817 * PRIVATE: cs_parse_results | |
| 1818 * | |
| 1819 * parse cscope output | |
| 1820 */ | |
| 1821 static char * | |
| 1822 cs_parse_results(cnumber, buf, bufsize, context, linenumber, search) | |
| 1823 int cnumber; | |
| 1824 char *buf; | |
| 1825 int bufsize; | |
| 1826 char **context; | |
| 1827 char **linenumber; | |
| 1828 char **search; | |
| 1829 { | |
| 1830 int ch; | |
| 1831 char *p; | |
| 1832 char *name; | |
| 1833 | |
| 1834 if (fgets(buf, bufsize, csinfo[cnumber].fr_fp) == NULL) | |
| 1835 { | |
| 1836 if (feof(csinfo[cnumber].fr_fp)) | |
| 1837 errno = EIO; | |
| 1838 | |
| 1839 cs_reading_emsg(cnumber); | |
| 1840 | |
| 1841 return NULL; | |
| 1842 } | |
| 1843 | |
| 1844 /* If the line's too long for the buffer, discard it. */ | |
| 1845 if ((p = strchr(buf, '\n')) == NULL) | |
| 1846 { | |
| 1847 while ((ch = getc(csinfo[cnumber].fr_fp)) != EOF && ch != '\n') | |
| 1848 ; | |
| 1849 return NULL; | |
| 1850 } | |
| 1851 *p = '\0'; | |
| 1852 | |
| 1853 /* | |
| 1854 * cscope output is in the following format: | |
| 1855 * | |
| 1856 * <filename> <context> <line number> <pattern> | |
| 1857 */ | |
| 1858 if ((name = strtok((char *)buf, (const char *)" ")) == NULL) | |
| 1859 return NULL; | |
| 1860 if ((*context = strtok(NULL, (const char *)" ")) == NULL) | |
| 1861 return NULL; | |
| 1862 if ((*linenumber = strtok(NULL, (const char *)" ")) == NULL) | |
| 1863 return NULL; | |
| 1864 *search = *linenumber + strlen(*linenumber) + 1; /* +1 to skip \0 */ | |
| 1865 | |
| 1866 /* --- nvi --- | |
| 1867 * If the file is older than the cscope database, that is, | |
| 1868 * the database was built since the file was last modified, | |
| 1869 * or there wasn't a search string, use the line number. | |
| 1870 */ | |
| 1871 if (strcmp(*search, "<unknown>") == 0) | |
| 1872 *search = NULL; | |
| 1873 | |
| 1874 name = cs_resolve_file(cnumber, name); | |
| 1875 return name; | |
| 1876 } | |
| 1877 | |
| 636 | 1878 #ifdef FEAT_QUICKFIX |
| 7 | 1879 /* |
| 1880 * PRIVATE: cs_file_results | |
| 1881 * | |
| 1882 * write cscope find results to file | |
| 1883 */ | |
| 1884 static void | |
| 1885 cs_file_results(f, nummatches_a) | |
| 1886 FILE *f; | |
| 1887 int *nummatches_a; | |
| 1888 { | |
| 1889 int i, j; | |
| 1890 char *buf; | |
| 1891 char *search, *slno; | |
| 1892 char *fullname; | |
| 1893 char *cntx; | |
| 1894 char *context; | |
| 1895 | |
| 1896 buf = (char *)alloc(CSREAD_BUFSIZE); | |
| 1897 if (buf == NULL) | |
| 1898 return; | |
| 1899 | |
| 1931 | 1900 for (i = 0; i < csinfo_size; i++) |
| 7 | 1901 { |
| 1902 if (nummatches_a[i] < 1) | |
| 1903 continue; | |
| 1904 | |
| 1905 for (j = 0; j < nummatches_a[i]; j++) | |
| 1906 { | |
| 293 | 1907 if ((fullname = cs_parse_results(i, buf, CSREAD_BUFSIZE, &cntx, |
| 1908 &slno, &search)) == NULL) | |
| 7 | 1909 continue; |
| 1910 | |
| 835 | 1911 context = (char *)alloc((unsigned)strlen(cntx)+5); |
| 1027 | 1912 if (context == NULL) |
| 7 | 1913 continue; |
| 1914 | |
| 1915 if (strcmp(cntx, "<global>")==0) | |
| 1916 strcpy(context, "<<global>>"); | |
| 1917 else | |
| 1918 sprintf(context, "<<%s>>", cntx); | |
| 1919 | |
| 1027 | 1920 if (search == NULL) |
| 7 | 1921 fprintf(f, "%s\t%s\t%s\n", fullname, slno, context); |
| 1922 else | |
| 1923 fprintf(f, "%s\t%s\t%s %s\n", fullname, slno, context, search); | |
| 1924 | |
| 1925 vim_free(context); | |
| 1926 vim_free(fullname); | |
| 1927 } /* for all matches */ | |
| 1928 | |
| 1929 (void)cs_read_prompt(i); | |
| 1930 | |
| 1931 } /* for all cscope connections */ | |
| 1932 vim_free(buf); | |
| 1933 } | |
| 636 | 1934 #endif |
| 7 | 1935 |
| 1936 /* | |
| 1937 * PRIVATE: cs_fill_results | |
| 1938 * | |
| 1939 * get parsed cscope output and calls cs_make_vim_style_matches to convert | |
| 1940 * into ctags format | |
| 297 | 1941 * When there are no matches sets "*matches_p" to NULL. |
| 7 | 1942 */ |
| 1943 static void | |
| 1944 cs_fill_results(tagstr, totmatches, nummatches_a, matches_p, cntxts_p, matched) | |
| 1945 char *tagstr; | |
| 1946 int totmatches; | |
| 1947 int *nummatches_a; | |
| 1948 char ***matches_p; | |
| 1949 char ***cntxts_p; | |
| 1950 int *matched; | |
| 1951 { | |
| 1952 int i, j; | |
| 1953 char *buf; | |
| 1954 char *search, *slno; | |
| 1955 int totsofar = 0; | |
| 1956 char **matches = NULL; | |
| 1957 char **cntxts = NULL; | |
| 1958 char *fullname; | |
| 1959 char *cntx; | |
| 1960 | |
| 1961 assert(totmatches > 0); | |
| 1962 | |
| 1963 buf = (char *)alloc(CSREAD_BUFSIZE); | |
| 1964 if (buf == NULL) | |
| 1965 return; | |
| 1966 | |
| 1967 if ((matches = (char **)alloc(sizeof(char *) * totmatches)) == NULL) | |
| 1968 goto parse_out; | |
| 1969 if ((cntxts = (char **)alloc(sizeof(char *) * totmatches)) == NULL) | |
| 1970 goto parse_out; | |
| 1971 | |
| 1931 | 1972 for (i = 0; i < csinfo_size; i++) |
| 7 | 1973 { |
| 1974 if (nummatches_a[i] < 1) | |
| 1975 continue; | |
| 1976 | |
| 1977 for (j = 0; j < nummatches_a[i]; j++) | |
| 1978 { | |
| 1979 if ((fullname = cs_parse_results(i, buf, CSREAD_BUFSIZE, &cntx, | |
| 1980 &slno, &search)) == NULL) | |
| 1981 continue; | |
| 1982 | |
| 1983 matches[totsofar] = cs_make_vim_style_matches(fullname, slno, | |
| 1984 search, tagstr); | |
| 1985 | |
| 1986 vim_free(fullname); | |
| 1987 | |
| 1988 if (strcmp(cntx, "<global>") == 0) | |
| 1989 cntxts[totsofar] = NULL; | |
| 1990 else | |
| 1991 /* note: if vim_strsave returns NULL, then the context | |
| 1992 * will be "<global>", which is misleading. | |
| 1993 */ | |
| 1994 cntxts[totsofar] = (char *)vim_strsave((char_u *)cntx); | |
| 1995 | |
| 1996 if (matches[totsofar] != NULL) | |
| 1997 totsofar++; | |
| 1998 | |
| 1999 } /* for all matches */ | |
| 2000 | |
| 2001 (void)cs_read_prompt(i); | |
| 2002 | |
| 2003 } /* for all cscope connections */ | |
| 2004 | |
| 2005 parse_out: | |
| 297 | 2006 if (totsofar == 0) |
| 2007 { | |
| 2008 /* No matches, free the arrays and return NULL in "*matches_p". */ | |
| 2009 vim_free(matches); | |
| 2010 matches = NULL; | |
| 2011 vim_free(cntxts); | |
| 2012 cntxts = NULL; | |
| 2013 } | |
| 7 | 2014 *matched = totsofar; |
| 2015 *matches_p = matches; | |
| 2016 *cntxts_p = cntxts; | |
| 297 | 2017 |
| 7 | 2018 vim_free(buf); |
| 2019 } /* cs_fill_results */ | |
| 2020 | |
| 2021 | |
| 2022 /* get the requested path components */ | |
| 2023 static char * | |
| 2024 cs_pathcomponents(path) | |
| 2025 char *path; | |
| 2026 { | |
| 2027 int i; | |
| 2028 char *s; | |
| 2029 | |
| 2030 if (p_cspc == 0) | |
| 2031 return path; | |
| 2032 | |
| 2033 s = path + strlen(path) - 1; | |
| 2034 for (i = 0; i < p_cspc; ++i) | |
| 2035 while (s > path && *--s != '/' | |
| 2036 #ifdef WIN32 | |
| 2037 && *--s != '\\' | |
| 2038 #endif | |
| 2039 ) | |
| 2040 ; | |
| 2041 if ((s > path && *s == '/') | |
| 2042 #ifdef WIN32 | |
| 2043 || (s > path && *s == '\\') | |
| 2044 #endif | |
| 2045 ) | |
| 2046 ++s; | |
| 2047 return s; | |
| 2048 } | |
| 2049 | |
| 2050 /* | |
| 2051 * PRIVATE: cs_print_tags_priv | |
| 2052 * | |
| 2053 * called from cs_manage_matches() | |
| 2054 */ | |
| 2055 static void | |
| 2056 cs_print_tags_priv(matches, cntxts, num_matches) | |
| 2057 char **matches; | |
| 2058 char **cntxts; | |
| 2059 int num_matches; | |
| 2060 { | |
| 2061 char *buf = NULL; | |
| 2062 int bufsize = 0; /* Track available bufsize */ | |
| 2063 int newsize = 0; | |
| 2064 char *ptag; | |
| 2065 char *fname, *lno, *extra, *tbuf; | |
| 2066 int i, idx, num; | |
| 2067 char *globalcntx = "GLOBAL"; | |
| 2068 char *cntxformat = " <<%s>>"; | |
| 2069 char *context; | |
| 2070 char *cstag_msg = _("Cscope tag: %s"); | |
| 2071 char *csfmt_str = "%4d %6s "; | |
| 2072 | |
| 2073 assert (num_matches > 0); | |
| 2074 | |
| 835 | 2075 if ((tbuf = (char *)alloc((unsigned)strlen(matches[0]) + 1)) == NULL) |
| 7 | 2076 return; |
| 2077 | |
| 2078 strcpy(tbuf, matches[0]); | |
| 2079 ptag = strtok(tbuf, "\t"); | |
| 2080 | |
| 835 | 2081 newsize = (int)(strlen(cstag_msg) + strlen(ptag)); |
| 7 | 2082 buf = (char *)alloc(newsize); |
| 2083 if (buf != NULL) | |
| 2084 { | |
| 2085 bufsize = newsize; | |
| 2086 (void)sprintf(buf, cstag_msg, ptag); | |
| 2087 MSG_PUTS_ATTR(buf, hl_attr(HLF_T)); | |
| 2088 } | |
| 2089 | |
| 2090 vim_free(tbuf); | |
| 2091 | |
| 2092 MSG_PUTS_ATTR(_("\n # line"), hl_attr(HLF_T)); /* strlen is 7 */ | |
| 2093 msg_advance(msg_col + 2); | |
| 2094 MSG_PUTS_ATTR(_("filename / context / line\n"), hl_attr(HLF_T)); | |
| 2095 | |
| 2096 num = 1; | |
| 2097 for (i = 0; i < num_matches; i++) | |
| 2098 { | |
| 2099 idx = i; | |
| 2100 | |
| 2101 /* if we really wanted to, we could avoid this malloc and strcpy | |
| 2102 * by parsing matches[i] on the fly and placing stuff into buf | |
| 2103 * directly, but that's too much of a hassle | |
| 2104 */ | |
| 835 | 2105 if ((tbuf = (char *)alloc((unsigned)strlen(matches[idx]) + 1)) == NULL) |
| 7 | 2106 continue; |
| 2107 (void)strcpy(tbuf, matches[idx]); | |
| 2108 | |
|
2047
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|
2109 if (strtok(tbuf, (const char *)"\t") == NULL) |
| 7 | 2110 continue; |
| 2111 if ((fname = strtok(NULL, (const char *)"\t")) == NULL) | |
| 2112 continue; | |
| 2113 if ((lno = strtok(NULL, (const char *)"\t")) == NULL) | |
| 1078 | 2114 continue; |
| 2115 extra = strtok(NULL, (const char *)"\t"); | |
| 7 | 2116 |
| 2117 lno[strlen(lno)-2] = '\0'; /* ignore ;" at the end */ | |
| 2118 | |
| 2119 /* hopefully 'num' (num of matches) will be less than 10^16 */ | |
| 835 | 2120 newsize = (int)(strlen(csfmt_str) + 16 + strlen(lno)); |
| 7 | 2121 if (bufsize < newsize) |
| 2122 { | |
| 2123 buf = (char *)vim_realloc(buf, newsize); | |
| 2124 if (buf == NULL) | |
| 2125 bufsize = 0; | |
| 2126 else | |
| 2127 bufsize = newsize; | |
| 2128 } | |
| 2129 if (buf != NULL) | |
| 2130 { | |
| 2131 /* csfmt_str = "%4d %6s "; */ | |
| 2132 (void)sprintf(buf, csfmt_str, num, lno); | |
| 2133 MSG_PUTS_ATTR(buf, hl_attr(HLF_CM)); | |
| 2134 } | |
| 2135 MSG_PUTS_LONG_ATTR(cs_pathcomponents(fname), hl_attr(HLF_CM)); | |
| 2136 | |
| 2137 /* compute the required space for the context */ | |
| 2138 if (cntxts[idx] != NULL) | |
| 2139 context = cntxts[idx]; | |
| 2140 else | |
| 2141 context = globalcntx; | |
| 835 | 2142 newsize = (int)(strlen(context) + strlen(cntxformat)); |
| 7 | 2143 |
| 2144 if (bufsize < newsize) | |
| 2145 { | |
| 2146 buf = (char *)vim_realloc(buf, newsize); | |
| 2147 if (buf == NULL) | |
| 2148 bufsize = 0; | |
| 2149 else | |
| 2150 bufsize = newsize; | |
| 2151 } | |
| 2152 if (buf != NULL) | |
| 2153 { | |
| 2154 (void)sprintf(buf, cntxformat, context); | |
| 2155 | |
| 2156 /* print the context only if it fits on the same line */ | |
| 2157 if (msg_col + (int)strlen(buf) >= (int)Columns) | |
| 2158 msg_putchar('\n'); | |
| 2159 msg_advance(12); | |
| 2160 MSG_PUTS_LONG(buf); | |
| 2161 msg_putchar('\n'); | |
| 2162 } | |
| 2163 if (extra != NULL) | |
| 2164 { | |
| 2165 msg_advance(13); | |
| 2166 MSG_PUTS_LONG(extra); | |
| 2167 } | |
| 2168 | |
| 2169 vim_free(tbuf); /* only after printing extra due to strtok use */ | |
| 2170 | |
| 2171 if (msg_col) | |
| 2172 msg_putchar('\n'); | |
| 2173 | |
| 2174 ui_breakcheck(); | |
| 2175 if (got_int) | |
| 2176 { | |
| 2177 got_int = FALSE; /* don't print any more matches */ | |
| 2178 break; | |
| 2179 } | |
| 2180 | |
| 2181 num++; | |
| 2182 } /* for all matches */ | |
| 2183 | |
| 2184 vim_free(buf); | |
| 2185 } /* cs_print_tags_priv */ | |
| 2186 | |
| 2187 | |
| 2188 /* | |
| 2189 * PRIVATE: cs_read_prompt | |
| 2190 * | |
| 2191 * read a cscope prompt (basically, skip over the ">> ") | |
| 2192 */ | |
| 2193 static int | |
| 2194 cs_read_prompt(i) | |
| 2195 int i; | |
| 2196 { | |
| 2197 int ch; | |
| 2198 char *buf = NULL; /* buffer for possible error message from cscope */ | |
| 2199 int bufpos = 0; | |
| 2200 char *cs_emsg; | |
| 2201 int maxlen; | |
| 2202 static char *eprompt = "Press the RETURN key to continue:"; | |
| 835 | 2203 int epromptlen = (int)strlen(eprompt); |
| 7 | 2204 int n; |
| 2205 | |
| 2206 cs_emsg = _("E609: Cscope error: %s"); | |
| 2207 /* compute maximum allowed len for Cscope error message */ | |
| 2208 maxlen = (int)(IOSIZE - strlen(cs_emsg)); | |
| 2209 | |
| 2210 for (;;) | |
| 2211 { | |
| 2212 while ((ch = getc(csinfo[i].fr_fp)) != EOF && ch != CSCOPE_PROMPT[0]) | |
| 2213 /* if there is room and char is printable */ | |
| 2214 if (bufpos < maxlen - 1 && vim_isprintc(ch)) | |
| 2215 { | |
| 2216 if (buf == NULL) /* lazy buffer allocation */ | |
| 2217 buf = (char *)alloc(maxlen); | |
| 2218 if (buf != NULL) | |
| 2219 { | |
| 2220 /* append character to the message */ | |
| 2221 buf[bufpos++] = ch; | |
| 2222 buf[bufpos] = NUL; | |
| 2223 if (bufpos >= epromptlen | |
| 2224 && strcmp(&buf[bufpos - epromptlen], eprompt) == 0) | |
| 2225 { | |
| 2226 /* remove eprompt from buf */ | |
| 2227 buf[bufpos - epromptlen] = NUL; | |
| 2228 | |
| 2229 /* print message to user */ | |
| 2230 (void)EMSG2(cs_emsg, buf); | |
| 2231 | |
| 2232 /* send RETURN to cscope */ | |
| 2233 (void)putc('\n', csinfo[i].to_fp); | |
| 2234 (void)fflush(csinfo[i].to_fp); | |
| 2235 | |
| 2236 /* clear buf */ | |
| 2237 bufpos = 0; | |
| 2238 buf[bufpos] = NUL; | |
| 2239 } | |
| 2240 } | |
| 2241 } | |
| 2242 | |
| 2243 for (n = 0; n < (int)strlen(CSCOPE_PROMPT); ++n) | |
| 2244 { | |
| 2245 if (n > 0) | |
| 2246 ch = getc(csinfo[i].fr_fp); | |
| 2247 if (ch == EOF) | |
| 2248 { | |
| 2249 PERROR("cs_read_prompt EOF"); | |
| 2250 if (buf != NULL && buf[0] != NUL) | |
| 2251 (void)EMSG2(cs_emsg, buf); | |
| 2252 else if (p_csverbose) | |
| 2253 cs_reading_emsg(i); /* don't have additional information */ | |
| 2254 cs_release_csp(i, TRUE); | |
| 2255 vim_free(buf); | |
| 2256 return CSCOPE_FAILURE; | |
| 2257 } | |
| 2258 | |
| 2259 if (ch != CSCOPE_PROMPT[n]) | |
| 2260 { | |
| 2261 ch = EOF; | |
| 2262 break; | |
| 2263 } | |
| 2264 } | |
| 2265 | |
| 2266 if (ch == EOF) | |
| 2267 continue; /* didn't find the prompt */ | |
| 2268 break; /* did find the prompt */ | |
| 2269 } | |
| 2270 | |
| 2271 vim_free(buf); | |
| 2272 return CSCOPE_SUCCESS; | |
| 2273 } | |
| 2274 | |
| 1566 | 2275 #if defined(UNIX) && defined(SIGALRM) |
| 2276 /* | |
| 2277 * Used to catch and ignore SIGALRM below. | |
| 2278 */ | |
| 2279 static RETSIGTYPE | |
| 2280 sig_handler SIGDEFARG(sigarg) | |
| 2281 { | |
| 2282 /* do nothing */ | |
| 2283 SIGRETURN; | |
| 2284 } | |
| 2285 #endif | |
| 7 | 2286 |
| 2287 /* | |
| 2288 * PRIVATE: cs_release_csp | |
| 2289 * | |
| 1385 | 2290 * Does the actual free'ing for the cs ptr with an optional flag of whether |
| 2291 * or not to free the filename. Called by cs_kill and cs_reset. | |
| 7 | 2292 */ |
| 2293 static void | |
| 2294 cs_release_csp(i, freefnpp) | |
| 2295 int i; | |
| 2296 int freefnpp; | |
| 2297 { | |
| 2298 /* | |
| 2299 * Trying to exit normally (not sure whether it is fit to UNIX cscope | |
| 2300 */ | |
| 2301 if (csinfo[i].to_fp != NULL) | |
| 2302 { | |
| 2303 (void)fputs("q\n", csinfo[i].to_fp); | |
| 2304 (void)fflush(csinfo[i].to_fp); | |
| 2305 } | |
| 1566 | 2306 #if defined(UNIX) |
| 2307 { | |
| 1575 | 2308 int waitpid_errno; |
| 1566 | 2309 int pstat; |
| 2310 pid_t pid; | |
| 2311 | |
| 2312 # if defined(HAVE_SIGACTION) | |
| 2313 struct sigaction sa, old; | |
| 2314 | |
| 1568 | 2315 /* Use sigaction() to limit the waiting time to two seconds. */ |
| 2316 sigemptyset(&sa.sa_mask); | |
| 1566 | 2317 sa.sa_handler = sig_handler; |
|
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|
2318 # ifdef SA_NODEFER |
| 1566 | 2319 sa.sa_flags = SA_NODEFER; |
|
2087
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|
2320 # else |
|
3112fcc89238
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|
2321 sa.sa_flags = 0; |
|
3112fcc89238
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diff
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|
2322 # endif |
| 1566 | 2323 sigaction(SIGALRM, &sa, &old); |
| 2324 alarm(2); /* 2 sec timeout */ | |
| 2325 | |
| 2326 /* Block until cscope exits or until timer expires */ | |
| 2327 pid = waitpid(csinfo[i].pid, &pstat, 0); | |
| 1575 | 2328 waitpid_errno = errno; |
| 1566 | 2329 |
| 2330 /* cancel pending alarm if still there and restore signal */ | |
| 2331 alarm(0); | |
| 2332 sigaction(SIGALRM, &old, NULL); | |
| 2333 # else | |
| 2334 int waited; | |
| 2335 | |
| 2336 /* Can't use sigaction(), loop for two seconds. First yield the CPU | |
| 2337 * to give cscope a chance to exit quickly. */ | |
| 2338 sleep(0); | |
| 2339 for (waited = 0; waited < 40; ++waited) | |
| 2340 { | |
| 2341 pid = waitpid(csinfo[i].pid, &pstat, WNOHANG); | |
| 1575 | 2342 waitpid_errno = errno; |
| 1566 | 2343 if (pid != 0) |
| 2344 break; /* break unless the process is still running */ | |
| 1578 | 2345 mch_delay(50L, FALSE); /* sleep 50 ms */ |
| 1566 | 2346 } |
| 2347 # endif | |
| 2348 /* | |
| 2349 * If the cscope process is still running: kill it. | |
| 2350 * Safety check: If the PID would be zero here, the entire X session | |
| 2351 * would be killed. -1 and 1 are dangerous as well. | |
| 2352 */ | |
| 2353 if (pid < 0 && csinfo[i].pid > 1) | |
| 2354 { | |
| 1575 | 2355 # ifdef ECHILD |
| 2356 int alive = TRUE; | |
| 2357 | |
| 2358 if (waitpid_errno == ECHILD) | |
| 2359 { | |
| 2360 /* | |
| 2361 * When using 'vim -g', vim is forked and cscope process is | |
| 2362 * no longer a child process but a sibling. So waitpid() | |
| 2363 * fails with errno being ECHILD (No child processes). | |
| 2364 * Don't send SIGKILL to cscope immediately but wait | |
| 2365 * (polling) for it to exit normally as result of sending | |
| 2366 * the "q" command, hence giving it a chance to clean up | |
| 2367 * its temporary files. | |
| 2368 */ | |
| 2369 int waited; | |
| 2370 | |
| 2371 sleep(0); | |
| 2372 for (waited = 0; waited < 40; ++waited) | |
| 2373 { | |
| 2374 /* Check whether cscope process is still alive */ | |
| 2375 if (kill(csinfo[i].pid, 0) != 0) | |
| 2376 { | |
| 2377 alive = FALSE; /* cscope process no longer exists */ | |
| 2378 break; | |
| 2379 } | |
| 1578 | 2380 mch_delay(50L, FALSE); /* sleep 50ms */ |
| 1575 | 2381 } |
| 2382 } | |
| 2383 if (alive) | |
| 2384 # endif | |
| 2385 { | |
| 2386 kill(csinfo[i].pid, SIGKILL); | |
| 2387 (void)waitpid(csinfo[i].pid, &pstat, 0); | |
| 2388 } | |
| 1566 | 2389 } |
| 2390 } | |
| 2391 #else /* !UNIX */ | |
| 1385 | 2392 if (csinfo[i].hProc != NULL) |
| 2393 { | |
| 2394 /* Give cscope a chance to exit normally */ | |
| 2395 if (WaitForSingleObject(csinfo[i].hProc, 1000) == WAIT_TIMEOUT) | |
| 2396 TerminateProcess(csinfo[i].hProc, 0); | |
| 2397 CloseHandle(csinfo[i].hProc); | |
| 2398 } | |
| 7 | 2399 #endif |
| 2400 | |
| 2401 if (csinfo[i].fr_fp != NULL) | |
| 2402 (void)fclose(csinfo[i].fr_fp); | |
| 2403 if (csinfo[i].to_fp != NULL) | |
| 2404 (void)fclose(csinfo[i].to_fp); | |
| 2405 | |
| 2406 if (freefnpp) | |
| 2407 { | |
| 2408 vim_free(csinfo[i].fname); | |
| 2409 vim_free(csinfo[i].ppath); | |
| 2410 vim_free(csinfo[i].flags); | |
| 2411 } | |
| 2412 | |
| 2413 clear_csinfo(i); | |
| 2414 } /* cs_release_csp */ | |
| 2415 | |
| 2416 | |
| 2417 /* | |
| 2418 * PRIVATE: cs_reset | |
| 2419 * | |
| 2420 * calls cs_kill on all cscope connections then reinits | |
| 2421 */ | |
| 2422 static int | |
| 2423 cs_reset(eap) | |
| 1880 | 2424 exarg_T *eap UNUSED; |
| 7 | 2425 { |
| 2426 char **dblist = NULL, **pplist = NULL, **fllist = NULL; | |
| 2427 int i; | |
| 273 | 2428 char buf[20]; /* for sprintf " (#%d)" */ |
| 7 | 2429 |
| 1931 | 2430 if (csinfo_size == 0) |
| 2431 return CSCOPE_SUCCESS; | |
| 2432 | |
| 7 | 2433 /* malloc our db and ppath list */ |
| 1931 | 2434 dblist = (char **)alloc(csinfo_size * sizeof(char *)); |
| 2435 pplist = (char **)alloc(csinfo_size * sizeof(char *)); | |
| 2436 fllist = (char **)alloc(csinfo_size * sizeof(char *)); | |
| 7 | 2437 if (dblist == NULL || pplist == NULL || fllist == NULL) |
| 2438 { | |
| 2439 vim_free(dblist); | |
| 2440 vim_free(pplist); | |
| 2441 vim_free(fllist); | |
| 2442 return CSCOPE_FAILURE; | |
| 2443 } | |
| 2444 | |
| 1931 | 2445 for (i = 0; i < csinfo_size; i++) |
| 7 | 2446 { |
| 2447 dblist[i] = csinfo[i].fname; | |
| 2448 pplist[i] = csinfo[i].ppath; | |
| 2449 fllist[i] = csinfo[i].flags; | |
| 2450 if (csinfo[i].fname != NULL) | |
| 2451 cs_release_csp(i, FALSE); | |
| 2452 } | |
| 2453 | |
| 2454 /* rebuild the cscope connection list */ | |
| 1931 | 2455 for (i = 0; i < csinfo_size; i++) |
| 7 | 2456 { |
| 2457 if (dblist[i] != NULL) | |
| 2458 { | |
| 2459 cs_add_common(dblist[i], pplist[i], fllist[i]); | |
| 2460 if (p_csverbose) | |
| 2461 { | |
| 1372 | 2462 /* don't use smsg_attr() because we want to display the |
| 7 | 2463 * connection number in the same line as |
| 2464 * "Added cscope database..." | |
| 2465 */ | |
| 2466 sprintf(buf, " (#%d)", i); | |
| 2467 MSG_PUTS_ATTR(buf, hl_attr(HLF_R)); | |
| 2468 } | |
| 2469 } | |
| 2470 vim_free(dblist[i]); | |
| 2471 vim_free(pplist[i]); | |
| 2472 vim_free(fllist[i]); | |
| 2473 } | |
| 2474 vim_free(dblist); | |
| 2475 vim_free(pplist); | |
| 2476 vim_free(fllist); | |
| 2477 | |
| 2478 if (p_csverbose) | |
| 2479 MSG_ATTR(_("All cscope databases reset"), hl_attr(HLF_R) | MSG_HIST); | |
| 2480 return CSCOPE_SUCCESS; | |
| 2481 } /* cs_reset */ | |
| 2482 | |
| 2483 | |
| 2484 /* | |
| 2485 * PRIVATE: cs_resolve_file | |
| 2486 * | |
|
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2487 * Construct the full pathname to a file found in the cscope database. |
| 7 | 2488 * (Prepends ppath, if there is one and if it's not already prepended, |
| 2489 * otherwise just uses the name found.) | |
| 2490 * | |
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2491 * We need to prepend the prefix because on some cscope's (e.g., the one that |
| 7 | 2492 * ships with Solaris 2.6), the output never has the prefix prepended. |
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2493 * Contrast this with my development system (Digital Unix), which does. |
| 7 | 2494 */ |
| 2495 static char * | |
| 2496 cs_resolve_file(i, name) | |
| 2873 | 2497 int i; |
| 7 | 2498 char *name; |
| 2499 { | |
| 2873 | 2500 char *fullname; |
| 2501 int len; | |
| 2502 char_u *csdir = NULL; | |
| 7 | 2503 |
| 2504 /* | |
| 2873 | 2505 * Ppath is freed when we destroy the cscope connection. |
| 2506 * Fullname is freed after cs_make_vim_style_matches, after it's been | |
| 2507 * copied into the tag buffer used by Vim. | |
| 7 | 2508 */ |
| 835 | 2509 len = (int)(strlen(name) + 2); |
| 7 | 2510 if (csinfo[i].ppath != NULL) |
| 835 | 2511 len += (int)strlen(csinfo[i].ppath); |
| 2873 | 2512 else if (p_csre && csinfo[i].fname != NULL) |
| 2513 { | |
| 2514 /* If 'cscoperelative' is set and ppath is not set, use cscope.out | |
| 2515 * path in path resolution. */ | |
| 2516 csdir = alloc(MAXPATHL); | |
| 2517 if (csdir != NULL) | |
| 2518 { | |
| 2519 vim_strncpy(csdir, (char_u *)csinfo[i].fname, | |
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2520 gettail((char_u *)csinfo[i].fname) |
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2521 - (char_u *)csinfo[i].fname); |
| 2873 | 2522 len += (int)STRLEN(csdir); |
| 2523 } | |
| 2524 } | |
| 7 | 2525 |
| 2873 | 2526 /* Note/example: this won't work if the cscope output already starts |
| 7 | 2527 * "../.." and the prefix path is also "../..". if something like this |
| 2873 | 2528 * happens, you are screwed up and need to fix how you're using cscope. */ |
| 2529 if (csinfo[i].ppath != NULL | |
| 2530 && (strncmp(name, csinfo[i].ppath, strlen(csinfo[i].ppath)) != 0) | |
| 2531 && (name[0] != '/') | |
| 7 | 2532 #ifdef WIN32 |
| 2873 | 2533 && name[0] != '\\' && name[1] != ':' |
| 7 | 2534 #endif |
| 2873 | 2535 ) |
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2536 { |
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2537 if ((fullname = (char *)alloc(len)) != NULL) |
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2538 (void)sprintf(fullname, "%s/%s", csinfo[i].ppath, name); |
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2539 } |
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2540 else if (csdir != NULL && csinfo[i].fname != NULL && *csdir != NUL) |
| 2873 | 2541 { |
| 2542 /* Check for csdir to be non empty to avoid empty path concatenated to | |
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2543 * cscope output. */ |
| 2875 | 2544 fullname = (char *)concat_fnames(csdir, (char_u *)name, TRUE); |
| 2873 | 2545 } |
| 7 | 2546 else |
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2547 { |
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2548 fullname = (char *)vim_strsave((char_u *)name); |
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2549 } |
| 7 | 2550 |
| 2873 | 2551 vim_free(csdir); |
| 7 | 2552 return fullname; |
| 2873 | 2553 } |
| 7 | 2554 |
| 2555 | |
| 2556 /* | |
| 2557 * PRIVATE: cs_show | |
| 2558 * | |
| 2559 * show all cscope connections | |
| 2560 */ | |
| 2561 static int | |
| 2562 cs_show(eap) | |
| 1880 | 2563 exarg_T *eap UNUSED; |
| 7 | 2564 { |
| 2565 short i; | |
| 2566 if (cs_cnt_connections() == 0) | |
| 2567 MSG_PUTS(_("no cscope connections\n")); | |
| 2568 else | |
| 2569 { | |
| 2570 MSG_PUTS_ATTR( | |
| 2571 _(" # pid database name prepend path\n"), | |
| 2572 hl_attr(HLF_T)); | |
| 1931 | 2573 for (i = 0; i < csinfo_size; i++) |
| 7 | 2574 { |
| 2575 if (csinfo[i].fname == NULL) | |
| 2576 continue; | |
| 2577 | |
| 2578 if (csinfo[i].ppath != NULL) | |
| 2579 (void)smsg((char_u *)"%2d %-5ld %-34s %-32s", | |
| 2580 i, (long)csinfo[i].pid, csinfo[i].fname, csinfo[i].ppath); | |
| 2581 else | |
| 2582 (void)smsg((char_u *)"%2d %-5ld %-34s <none>", | |
| 2583 i, (long)csinfo[i].pid, csinfo[i].fname); | |
| 2584 } | |
| 2585 } | |
| 2586 | |
| 2587 wait_return(TRUE); | |
| 2588 return CSCOPE_SUCCESS; | |
| 2589 } /* cs_show */ | |
| 2590 | |
| 1385 | 2591 |
| 2592 /* | |
| 2593 * PUBLIC: cs_end | |
| 2594 * | |
| 2595 * Only called when VIM exits to quit any cscope sessions. | |
| 2596 */ | |
| 2597 void | |
| 2598 cs_end() | |
| 2599 { | |
| 2600 int i; | |
| 2601 | |
| 1931 | 2602 for (i = 0; i < csinfo_size; i++) |
| 1385 | 2603 cs_release_csp(i, TRUE); |
| 1931 | 2604 vim_free(csinfo); |
| 2605 csinfo_size = 0; | |
| 1385 | 2606 } |
| 2607 | |
| 7 | 2608 #endif /* FEAT_CSCOPE */ |
| 2609 | |
| 2610 /* the end */ |