Mercurial > vim
annotate src/if_cscope.c @ 9418:6d213bd46cc3 v7.4.1990
commit https://github.com/vim/vim/commit/80632db65e8f5f775dadbbc10c5ba6c173ebb24f
Author: Bram Moolenaar <Bram@vim.org>
Date: Tue Jul 5 22:28:40 2016 +0200
patch 7.4.1990
Problem: Cscope items are not sorted.
Solution: Put the new "a" command first. (Ken Takata)
| author | Christian Brabandt <cb@256bit.org> |
|---|---|
| date | Tue, 05 Jul 2016 22:30:07 +0200 |
| parents | f094d4085014 |
| children | 4aead6a9b7a9 |
| 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 | |
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23 static void cs_usage_msg(csid_e x); |
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24 static int cs_add(exarg_T *eap); |
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25 static void cs_stat_emsg(char *fname); |
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26 static int cs_add_common(char *, char *, char *); |
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27 static int cs_check_for_connections(void); |
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28 static int cs_check_for_tags(void); |
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29 static int cs_cnt_connections(void); |
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30 static void cs_reading_emsg(int idx); |
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31 static int cs_cnt_matches(int idx); |
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32 static char * cs_create_cmd(char *csoption, char *pattern); |
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33 static int cs_create_connection(int i); |
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34 static void do_cscope_general(exarg_T *eap, int make_split); |
| 636 | 35 #ifdef FEAT_QUICKFIX |
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36 static void cs_file_results(FILE *, int *); |
| 636 | 37 #endif |
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38 static void cs_fill_results(char *, int , int *, char ***, |
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39 char ***, int *); |
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40 static int cs_find(exarg_T *eap); |
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41 static int cs_find_common(char *opt, char *pat, int, int, int, char_u *cmdline); |
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42 static int cs_help(exarg_T *eap); |
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43 static void clear_csinfo(int i); |
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44 static int cs_insert_filelist(char *, char *, char *, |
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45 stat_T *); |
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46 static int cs_kill(exarg_T *eap); |
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47 static void cs_kill_execute(int, char *); |
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48 static cscmd_T * cs_lookup_cmd(exarg_T *eap); |
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49 static char * cs_make_vim_style_matches(char *, char *, |
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50 char *, char *); |
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51 static char * cs_manage_matches(char **, char **, int, mcmd_e); |
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52 static char * cs_parse_results(int cnumber, char *buf, int bufsize, char **context, char **linenumber, char **search); |
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53 static char * cs_pathcomponents(char *path); |
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54 static void cs_print_tags_priv(char **, char **, int); |
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55 static int cs_read_prompt(int); |
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56 static void cs_release_csp(int, int freefnpp); |
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57 static int cs_reset(exarg_T *eap); |
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58 static char * cs_resolve_file(int, char *); |
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59 static int cs_show(exarg_T *eap); |
| 7 | 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, | |
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73 N_("Query for a pattern"), "find a|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 | |
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86 cs_usage_msg(csid_e x) |
| 7 | 87 { |
| 88 (void)EMSG2(_("E560: Usage: cs[cope] %s"), cs_cmds[(int)x].usage); | |
| 89 } | |
| 90 | |
| 1845 | 91 #if defined(FEAT_CMDL_COMPL) || defined(PROTO) |
| 92 | |
| 93 static enum | |
| 94 { | |
| 95 EXP_CSCOPE_SUBCMD, /* expand ":cscope" sub-commands */ | |
| 1858 | 96 EXP_SCSCOPE_SUBCMD, /* expand ":scscope" sub-commands */ |
| 1845 | 97 EXP_CSCOPE_FIND, /* expand ":cscope find" arguments */ |
| 98 EXP_CSCOPE_KILL /* expand ":cscope kill" arguments */ | |
| 99 } expand_what; | |
| 100 | |
| 101 /* | |
| 102 * Function given to ExpandGeneric() to obtain the cscope command | |
| 103 * expansion. | |
| 104 */ | |
| 105 char_u * | |
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106 get_cscope_name(expand_T *xp UNUSED, int idx) |
| 1845 | 107 { |
| 1858 | 108 int current_idx; |
| 109 int i; | |
| 110 | |
| 1845 | 111 switch (expand_what) |
| 112 { | |
| 113 case EXP_CSCOPE_SUBCMD: | |
| 114 /* Complete with sub-commands of ":cscope": | |
| 115 * add, find, help, kill, reset, show */ | |
| 116 return (char_u *)cs_cmds[idx].name; | |
| 1858 | 117 case EXP_SCSCOPE_SUBCMD: |
| 118 /* Complete with sub-commands of ":scscope": same sub-commands as | |
| 119 * ":cscope" but skip commands which don't support split windows */ | |
| 120 for (i = 0, current_idx = 0; cs_cmds[i].name != NULL; i++) | |
| 121 if (cs_cmds[i].cansplit) | |
| 122 if (current_idx++ == idx) | |
| 123 break; | |
| 124 return (char_u *)cs_cmds[i].name; | |
| 1845 | 125 case EXP_CSCOPE_FIND: |
| 126 { | |
| 127 const char *query_type[] = | |
| 128 { | |
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129 "a", "c", "d", "e", "f", "g", "i", "s", "t", NULL |
| 1845 | 130 }; |
| 131 | |
| 132 /* Complete with query type of ":cscope find {query_type}". | |
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133 * {query_type} can be letters (c, d, ... a) or numbers (0, 1, |
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134 * ..., 9) but only complete with letters, since numbers are |
| 1845 | 135 * redundant. */ |
| 136 return (char_u *)query_type[idx]; | |
| 137 } | |
| 138 case EXP_CSCOPE_KILL: | |
| 139 { | |
| 1931 | 140 static char connection[5]; |
| 1845 | 141 |
| 142 /* ":cscope kill" accepts connection numbers or partial names of | |
| 143 * the pathname of the cscope database as argument. Only complete | |
| 144 * with connection numbers. -1 can also be used to kill all | |
| 145 * connections. */ | |
| 1931 | 146 for (i = 0, current_idx = 0; i < csinfo_size; i++) |
| 1845 | 147 { |
| 148 if (csinfo[i].fname == NULL) | |
| 149 continue; | |
| 150 if (current_idx++ == idx) | |
| 151 { | |
| 1931 | 152 vim_snprintf(connection, sizeof(connection), "%d", i); |
| 153 return (char_u *)connection; | |
| 1845 | 154 } |
| 155 } | |
| 156 return (current_idx == idx && idx > 0) ? (char_u *)"-1" : NULL; | |
| 157 } | |
| 158 default: | |
| 159 return NULL; | |
| 160 } | |
| 161 } | |
| 162 | |
| 163 /* | |
| 164 * Handle command line completion for :cscope command. | |
| 165 */ | |
| 166 void | |
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167 set_context_in_cscope_cmd( |
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168 expand_T *xp, |
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169 char_u *arg, |
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170 cmdidx_T cmdidx) |
| 1845 | 171 { |
| 172 char_u *p; | |
| 173 | |
| 174 /* Default: expand subcommands */ | |
| 175 xp->xp_context = EXPAND_CSCOPE; | |
| 176 xp->xp_pattern = arg; | |
| 1858 | 177 expand_what = (cmdidx == CMD_scscope) |
| 178 ? EXP_SCSCOPE_SUBCMD : EXP_CSCOPE_SUBCMD; | |
| 1845 | 179 |
| 180 /* (part of) subcommand already typed */ | |
| 181 if (*arg != NUL) | |
| 182 { | |
| 183 p = skiptowhite(arg); | |
| 184 if (*p != NUL) /* past first word */ | |
| 185 { | |
| 186 xp->xp_pattern = skipwhite(p); | |
| 187 if (*skiptowhite(xp->xp_pattern) != NUL) | |
| 188 xp->xp_context = EXPAND_NOTHING; | |
| 189 else if (STRNICMP(arg, "add", p - arg) == 0) | |
| 190 xp->xp_context = EXPAND_FILES; | |
| 191 else if (STRNICMP(arg, "kill", p - arg) == 0) | |
| 192 expand_what = EXP_CSCOPE_KILL; | |
| 193 else if (STRNICMP(arg, "find", p - arg) == 0) | |
| 194 expand_what = EXP_CSCOPE_FIND; | |
| 195 else | |
| 196 xp->xp_context = EXPAND_NOTHING; | |
| 197 } | |
| 198 } | |
| 199 } | |
| 200 | |
| 201 #endif /* FEAT_CMDL_COMPL */ | |
| 202 | |
| 7 | 203 /* |
| 204 * PRIVATE: do_cscope_general | |
| 205 * | |
| 1845 | 206 * Find the command, print help if invalid, and then call the corresponding |
| 207 * command function. | |
| 7 | 208 */ |
| 209 static void | |
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210 do_cscope_general( |
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211 exarg_T *eap, |
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212 int make_split) /* whether to split window */ |
| 7 | 213 { |
| 214 cscmd_T *cmdp; | |
| 215 | |
| 216 if ((cmdp = cs_lookup_cmd(eap)) == NULL) | |
| 217 { | |
| 218 cs_help(eap); | |
| 219 return; | |
| 220 } | |
| 221 | |
| 222 #ifdef FEAT_WINDOWS | |
| 223 if (make_split) | |
| 224 { | |
| 225 if (!cmdp->cansplit) | |
| 226 { | |
| 227 (void)MSG_PUTS(_("This cscope command does not support splitting the window.\n")); | |
| 228 return; | |
| 229 } | |
| 230 postponed_split = -1; | |
| 231 postponed_split_flags = cmdmod.split; | |
| 1090 | 232 postponed_split_tab = cmdmod.tab; |
| 7 | 233 } |
| 234 #endif | |
| 235 | |
| 236 cmdp->func(eap); | |
| 237 | |
| 238 #ifdef FEAT_WINDOWS | |
| 239 postponed_split_flags = 0; | |
| 1090 | 240 postponed_split_tab = 0; |
| 7 | 241 #endif |
| 242 } | |
| 243 | |
| 244 /* | |
| 245 * PUBLIC: do_cscope | |
| 246 */ | |
| 247 void | |
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248 do_cscope(exarg_T *eap) |
| 7 | 249 { |
| 250 do_cscope_general(eap, FALSE); | |
| 251 } | |
| 252 | |
| 253 /* | |
| 254 * PUBLIC: do_scscope | |
| 255 * | |
| 256 * same as do_cscope, but splits window, too. | |
| 257 */ | |
| 258 void | |
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259 do_scscope(exarg_T *eap) |
| 7 | 260 { |
| 261 do_cscope_general(eap, TRUE); | |
| 262 } | |
| 263 | |
| 264 /* | |
| 265 * PUBLIC: do_cstag | |
| 266 * | |
| 267 */ | |
| 268 void | |
|
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269 do_cstag(exarg_T *eap) |
| 7 | 270 { |
| 271 int ret = FALSE; | |
| 272 | |
| 1621 | 273 if (*eap->arg == NUL) |
| 7 | 274 { |
| 275 (void)EMSG(_("E562: Usage: cstag <ident>")); | |
| 276 return; | |
| 277 } | |
| 278 | |
| 279 switch (p_csto) | |
| 280 { | |
| 281 case 0 : | |
| 282 if (cs_check_for_connections()) | |
| 283 { | |
| 665 | 284 ret = cs_find_common("g", (char *)(eap->arg), eap->forceit, FALSE, |
|
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285 FALSE, *eap->cmdlinep); |
| 7 | 286 if (ret == FALSE) |
| 287 { | |
| 288 cs_free_tags(); | |
| 289 if (msg_col) | |
| 290 msg_putchar('\n'); | |
| 291 | |
| 292 if (cs_check_for_tags()) | |
| 293 ret = do_tag(eap->arg, DT_JUMP, 0, eap->forceit, FALSE); | |
| 294 } | |
| 295 } | |
| 296 else if (cs_check_for_tags()) | |
| 297 { | |
| 298 ret = do_tag(eap->arg, DT_JUMP, 0, eap->forceit, FALSE); | |
| 299 } | |
| 300 break; | |
| 301 case 1 : | |
| 302 if (cs_check_for_tags()) | |
| 303 { | |
| 304 ret = do_tag(eap->arg, DT_JUMP, 0, eap->forceit, FALSE); | |
| 305 if (ret == FALSE) | |
| 306 { | |
| 307 if (msg_col) | |
| 308 msg_putchar('\n'); | |
| 309 | |
| 310 if (cs_check_for_connections()) | |
| 311 { | |
| 312 ret = cs_find_common("g", (char *)(eap->arg), eap->forceit, | |
|
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313 FALSE, FALSE, *eap->cmdlinep); |
| 7 | 314 if (ret == FALSE) |
| 315 cs_free_tags(); | |
| 316 } | |
| 317 } | |
| 318 } | |
| 319 else if (cs_check_for_connections()) | |
| 320 { | |
| 665 | 321 ret = cs_find_common("g", (char *)(eap->arg), eap->forceit, FALSE, |
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322 FALSE, *eap->cmdlinep); |
| 7 | 323 if (ret == FALSE) |
| 324 cs_free_tags(); | |
| 325 } | |
| 326 break; | |
| 327 default : | |
| 328 break; | |
| 329 } | |
| 330 | |
| 331 if (!ret) | |
| 332 { | |
| 333 (void)EMSG(_("E257: cstag: tag not found")); | |
| 334 #if defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX) | |
| 335 g_do_tagpreview = 0; | |
| 336 #endif | |
| 337 } | |
| 338 | |
| 339 } /* do_cscope */ | |
| 340 | |
| 341 | |
| 342 /* | |
| 343 * PUBLIC: cs_find | |
| 344 * | |
| 345 * this simulates a vim_fgets(), but for cscope, returns the next line | |
| 346 * from the cscope output. should only be called from find_tags() | |
| 347 * | |
| 348 * returns TRUE if eof, FALSE otherwise | |
| 349 */ | |
| 350 int | |
|
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351 cs_fgets(char_u *buf, int size) |
| 7 | 352 { |
| 353 char *p; | |
| 354 | |
| 355 if ((p = cs_manage_matches(NULL, NULL, -1, Get)) == NULL) | |
| 356 return TRUE; | |
| 1372 | 357 vim_strncpy(buf, (char_u *)p, size - 1); |
| 7 | 358 |
| 359 return FALSE; | |
| 360 } /* cs_fgets */ | |
| 361 | |
| 362 | |
| 363 /* | |
| 364 * PUBLIC: cs_free_tags | |
| 365 * | |
| 366 * called only from do_tag(), when popping the tag stack | |
| 367 */ | |
| 368 void | |
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369 cs_free_tags(void) |
| 7 | 370 { |
| 371 cs_manage_matches(NULL, NULL, -1, Free); | |
| 372 } | |
| 373 | |
| 374 | |
| 375 /* | |
| 376 * PUBLIC: cs_print_tags | |
| 377 * | |
| 378 * called from do_tag() | |
| 379 */ | |
| 380 void | |
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381 cs_print_tags(void) |
| 7 | 382 { |
| 383 cs_manage_matches(NULL, NULL, -1, Print); | |
| 384 } | |
| 385 | |
| 386 | |
| 387 /* | |
| 388 * "cscope_connection([{num} , {dbpath} [, {prepend}]])" function | |
| 389 * | |
| 390 * Checks for the existence of a |cscope| connection. If no | |
| 391 * parameters are specified, then the function returns: | |
| 392 * | |
| 393 * 0, if cscope was not available (not compiled in), or if there | |
| 394 * are no cscope connections; or | |
| 395 * 1, if there is at least one cscope connection. | |
| 396 * | |
| 397 * If parameters are specified, then the value of {num} | |
| 398 * determines how existence of a cscope connection is checked: | |
| 399 * | |
| 400 * {num} Description of existence check | |
| 401 * ----- ------------------------------ | |
| 402 * 0 Same as no parameters (e.g., "cscope_connection()"). | |
| 403 * 1 Ignore {prepend}, and use partial string matches for | |
| 404 * {dbpath}. | |
| 405 * 2 Ignore {prepend}, and use exact string matches for | |
| 406 * {dbpath}. | |
| 407 * 3 Use {prepend}, use partial string matches for both | |
| 408 * {dbpath} and {prepend}. | |
| 409 * 4 Use {prepend}, use exact string matches for both | |
| 410 * {dbpath} and {prepend}. | |
| 411 * | |
| 412 * Note: All string comparisons are case sensitive! | |
| 413 */ | |
| 414 #if defined(FEAT_EVAL) || defined(PROTO) | |
| 415 int | |
|
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416 cs_connection(int num, char_u *dbpath, char_u *ppath) |
| 7 | 417 { |
| 418 int i; | |
| 419 | |
| 420 if (num < 0 || num > 4 || (num > 0 && !dbpath)) | |
| 421 return FALSE; | |
| 422 | |
| 1931 | 423 for (i = 0; i < csinfo_size; i++) |
| 7 | 424 { |
| 425 if (!csinfo[i].fname) | |
| 426 continue; | |
| 427 | |
| 428 if (num == 0) | |
| 429 return TRUE; | |
| 430 | |
| 431 switch (num) | |
| 432 { | |
| 433 case 1: | |
| 434 if (strstr(csinfo[i].fname, (char *)dbpath)) | |
| 435 return TRUE; | |
| 436 break; | |
| 437 case 2: | |
| 438 if (strcmp(csinfo[i].fname, (char *)dbpath) == 0) | |
| 439 return TRUE; | |
| 440 break; | |
| 441 case 3: | |
| 442 if (strstr(csinfo[i].fname, (char *)dbpath) | |
| 443 && ((!ppath && !csinfo[i].ppath) | |
| 444 || (ppath | |
| 445 && csinfo[i].ppath | |
| 446 && strstr(csinfo[i].ppath, (char *)ppath)))) | |
| 447 return TRUE; | |
| 448 break; | |
| 449 case 4: | |
| 450 if ((strcmp(csinfo[i].fname, (char *)dbpath) == 0) | |
| 451 && ((!ppath && !csinfo[i].ppath) | |
| 452 || (ppath | |
| 453 && csinfo[i].ppath | |
| 454 && (strcmp(csinfo[i].ppath, (char *)ppath) == 0)))) | |
| 455 return TRUE; | |
| 456 break; | |
| 457 } | |
| 458 } | |
| 459 | |
| 460 return FALSE; | |
| 461 } /* cs_connection */ | |
| 462 #endif | |
| 463 | |
| 464 | |
| 465 /* | |
| 466 * PRIVATE functions | |
| 467 ****************************************************************************/ | |
| 468 | |
| 469 /* | |
| 470 * PRIVATE: cs_add | |
| 471 * | |
| 472 * add cscope database or a directory name (to look for cscope.out) | |
| 1372 | 473 * to the cscope connection list |
| 7 | 474 * |
| 475 * MAXPATHL 256 | |
| 476 */ | |
| 477 static int | |
|
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478 cs_add(exarg_T *eap UNUSED) |
| 7 | 479 { |
| 480 char *fname, *ppath, *flags = NULL; | |
| 481 | |
| 482 if ((fname = strtok((char *)NULL, (const char *)" ")) == NULL) | |
| 483 { | |
| 484 cs_usage_msg(Add); | |
| 485 return CSCOPE_FAILURE; | |
| 486 } | |
| 487 if ((ppath = strtok((char *)NULL, (const char *)" ")) != NULL) | |
| 488 flags = strtok((char *)NULL, (const char *)" "); | |
| 489 | |
| 490 return cs_add_common(fname, ppath, flags); | |
| 491 } | |
| 492 | |
| 493 static void | |
|
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494 cs_stat_emsg(char *fname) |
| 7 | 495 { |
| 496 char *stat_emsg = _("E563: stat(%s) error: %d"); | |
| 497 char *buf = (char *)alloc((unsigned)strlen(stat_emsg) + MAXPATHL + 10); | |
| 498 | |
| 499 if (buf != NULL) | |
| 500 { | |
| 501 (void)sprintf(buf, stat_emsg, fname, errno); | |
| 502 (void)EMSG(buf); | |
| 503 vim_free(buf); | |
| 504 } | |
| 505 else | |
| 506 (void)EMSG(_("E563: stat error")); | |
| 507 } | |
| 508 | |
| 509 | |
| 510 /* | |
| 511 * PRIVATE: cs_add_common | |
| 512 * | |
| 513 * the common routine to add a new cscope connection. called by | |
| 514 * cs_add() and cs_reset(). i really don't like to do this, but this | |
| 515 * routine uses a number of goto statements. | |
| 516 */ | |
| 517 static int | |
|
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518 cs_add_common( |
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519 char *arg1, /* filename - may contain environment variables */ |
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520 char *arg2, /* prepend path - may contain environment variables */ |
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521 char *flags) |
| 7 | 522 { |
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523 stat_T statbuf; |
| 12 | 524 int ret; |
| 525 char *fname = NULL; | |
| 526 char *fname2 = NULL; | |
| 527 char *ppath = NULL; | |
| 528 int i; | |
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529 #ifdef FEAT_MODIFY_FNAME |
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530 int len; |
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531 int usedlen = 0; |
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532 char_u *fbuf = NULL; |
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533 #endif |
| 7 | 534 |
| 535 /* get the filename (arg1), expand it, and try to stat it */ | |
| 12 | 536 if ((fname = (char *)alloc(MAXPATHL + 1)) == NULL) |
| 7 | 537 goto add_err; |
| 538 | |
| 539 expand_env((char_u *)arg1, (char_u *)fname, MAXPATHL); | |
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540 #ifdef FEAT_MODIFY_FNAME |
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541 len = (int)STRLEN(fname); |
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542 fbuf = (char_u *)fname; |
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543 (void)modify_fname((char_u *)":p", &usedlen, |
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544 (char_u **)&fname, &fbuf, &len); |
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545 if (fname == NULL) |
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546 goto add_err; |
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547 fname = (char *)vim_strnsave((char_u *)fname, len); |
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548 vim_free(fbuf); |
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549 #endif |
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550 ret = mch_stat(fname, &statbuf); |
| 7 | 551 if (ret < 0) |
| 552 { | |
| 553 staterr: | |
| 554 if (p_csverbose) | |
| 555 cs_stat_emsg(fname); | |
| 556 goto add_err; | |
| 557 } | |
| 558 | |
| 559 /* get the prepend path (arg2), expand it, and try to stat it */ | |
| 560 if (arg2 != NULL) | |
| 561 { | |
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|
562 stat_T statbuf2; |
| 7 | 563 |
| 12 | 564 if ((ppath = (char *)alloc(MAXPATHL + 1)) == NULL) |
| 7 | 565 goto add_err; |
| 566 | |
| 567 expand_env((char_u *)arg2, (char_u *)ppath, MAXPATHL); | |
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changeset
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568 ret = mch_stat(ppath, &statbuf2); |
| 7 | 569 if (ret < 0) |
| 570 goto staterr; | |
| 571 } | |
| 572 | |
| 573 /* if filename is a directory, append the cscope database name to it */ | |
| 574 if ((statbuf.st_mode & S_IFMT) == S_IFDIR) | |
| 575 { | |
| 835 | 576 fname2 = (char *)alloc((unsigned)(strlen(CSCOPE_DBFILE) + strlen(fname) + 2)); |
| 7 | 577 if (fname2 == NULL) |
| 578 goto add_err; | |
| 579 | |
| 580 while (fname[strlen(fname)-1] == '/' | |
| 581 #ifdef WIN32 | |
| 582 || fname[strlen(fname)-1] == '\\' | |
| 583 #endif | |
| 584 ) | |
| 585 { | |
| 586 fname[strlen(fname)-1] = '\0'; | |
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587 if (fname[0] == '\0') |
| 7 | 588 break; |
| 589 } | |
| 590 if (fname[0] == '\0') | |
| 591 (void)sprintf(fname2, "/%s", CSCOPE_DBFILE); | |
| 592 else | |
| 593 (void)sprintf(fname2, "%s/%s", fname, CSCOPE_DBFILE); | |
| 594 | |
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595 ret = mch_stat(fname2, &statbuf); |
| 7 | 596 if (ret < 0) |
| 597 { | |
| 598 if (p_csverbose) | |
| 599 cs_stat_emsg(fname2); | |
| 600 goto add_err; | |
| 601 } | |
| 602 | |
| 603 i = cs_insert_filelist(fname2, ppath, flags, &statbuf); | |
| 604 } | |
| 605 #if defined(UNIX) | |
| 606 else if (S_ISREG(statbuf.st_mode) || S_ISLNK(statbuf.st_mode)) | |
| 607 #else | |
| 1385 | 608 /* WIN32 - substitute define S_ISREG from os_unix.h */ |
| 7 | 609 else if (((statbuf.st_mode) & S_IFMT) == S_IFREG) |
| 610 #endif | |
| 611 { | |
| 612 i = cs_insert_filelist(fname, ppath, flags, &statbuf); | |
| 613 } | |
| 614 else | |
| 615 { | |
| 616 if (p_csverbose) | |
| 617 (void)EMSG2( | |
| 618 _("E564: %s is not a directory or a valid cscope database"), | |
| 619 fname); | |
| 620 goto add_err; | |
| 621 } | |
| 622 | |
| 623 if (i != -1) | |
| 624 { | |
| 625 if (cs_create_connection(i) == CSCOPE_FAILURE | |
| 626 || cs_read_prompt(i) == CSCOPE_FAILURE) | |
| 627 { | |
| 628 cs_release_csp(i, TRUE); | |
| 629 goto add_err; | |
| 630 } | |
| 631 | |
| 632 if (p_csverbose) | |
| 633 { | |
| 634 msg_clr_eos(); | |
| 635 (void)smsg_attr(hl_attr(HLF_R), | |
| 636 (char_u *)_("Added cscope database %s"), | |
| 637 csinfo[i].fname); | |
| 638 } | |
| 639 } | |
| 640 | |
| 641 vim_free(fname); | |
| 642 vim_free(fname2); | |
| 643 vim_free(ppath); | |
| 644 return CSCOPE_SUCCESS; | |
| 645 | |
| 646 add_err: | |
| 647 vim_free(fname2); | |
| 648 vim_free(fname); | |
| 649 vim_free(ppath); | |
| 650 return CSCOPE_FAILURE; | |
| 651 } /* cs_add_common */ | |
| 652 | |
| 653 | |
| 654 static int | |
|
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655 cs_check_for_connections(void) |
| 7 | 656 { |
| 657 return (cs_cnt_connections() > 0); | |
| 658 } /* cs_check_for_connections */ | |
| 659 | |
| 660 | |
| 661 static int | |
|
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662 cs_check_for_tags(void) |
| 7 | 663 { |
| 301 | 664 return (p_tags[0] != NUL && curbuf->b_p_tags != NULL); |
| 7 | 665 } /* cs_check_for_tags */ |
| 666 | |
| 667 | |
| 668 /* | |
| 669 * PRIVATE: cs_cnt_connections | |
| 670 * | |
| 671 * count the number of cscope connections | |
| 672 */ | |
| 673 static int | |
|
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674 cs_cnt_connections(void) |
| 7 | 675 { |
| 676 short i; | |
| 677 short cnt = 0; | |
| 678 | |
| 1931 | 679 for (i = 0; i < csinfo_size; i++) |
| 7 | 680 { |
| 681 if (csinfo[i].fname != NULL) | |
| 682 cnt++; | |
| 683 } | |
| 684 return cnt; | |
| 685 } /* cs_cnt_connections */ | |
| 686 | |
| 687 static void | |
|
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688 cs_reading_emsg( |
|
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commit https://github.com/vim/vim/commit/68c2f638e65d914dc6e84eb7ce2624f08af525c0
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diff
changeset
|
689 int idx) /* connection index */ |
| 7 | 690 { |
| 691 EMSGN(_("E262: error reading cscope connection %ld"), idx); | |
| 692 } | |
| 693 | |
| 694 #define CSREAD_BUFSIZE 2048 | |
| 695 /* | |
| 696 * PRIVATE: cs_cnt_matches | |
| 697 * | |
| 698 * count the number of matches for a given cscope connection. | |
| 699 */ | |
| 700 static int | |
|
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|
701 cs_cnt_matches(int idx) |
| 7 | 702 { |
| 703 char *stok; | |
| 704 char *buf; | |
| 705 int nlines; | |
| 706 | |
| 707 buf = (char *)alloc(CSREAD_BUFSIZE); | |
| 708 if (buf == NULL) | |
| 709 return 0; | |
| 710 for (;;) | |
| 711 { | |
| 712 if (!fgets(buf, CSREAD_BUFSIZE, csinfo[idx].fr_fp)) | |
| 713 { | |
| 714 if (feof(csinfo[idx].fr_fp)) | |
| 715 errno = EIO; | |
| 716 | |
| 717 cs_reading_emsg(idx); | |
| 718 | |
| 719 vim_free(buf); | |
| 720 return -1; | |
| 721 } | |
| 722 | |
| 723 /* | |
| 724 * If the database is out of date, or there's some other problem, | |
| 725 * cscope will output error messages before the number-of-lines output. | |
| 726 * Display/discard any output that doesn't match what we want. | |
| 1058 | 727 * Accept "\S*cscope: X lines", also matches "mlcscope". |
| 7 | 728 */ |
| 729 if ((stok = strtok(buf, (const char *)" ")) == NULL) | |
| 730 continue; | |
| 1058 | 731 if (strstr((const char *)stok, "cscope:") == NULL) |
| 7 | 732 continue; |
| 733 | |
| 734 if ((stok = strtok(NULL, (const char *)" ")) == NULL) | |
| 735 continue; | |
| 736 nlines = atoi(stok); | |
| 737 if (nlines < 0) | |
| 738 { | |
| 739 nlines = 0; | |
| 740 break; | |
| 741 } | |
| 742 | |
| 743 if ((stok = strtok(NULL, (const char *)" ")) == NULL) | |
| 744 continue; | |
| 745 if (strncmp((const char *)stok, "lines", 5)) | |
| 746 continue; | |
| 747 | |
| 748 break; | |
| 749 } | |
| 750 | |
| 751 vim_free(buf); | |
| 752 return nlines; | |
| 753 } /* cs_cnt_matches */ | |
| 754 | |
| 755 | |
| 756 /* | |
| 757 * PRIVATE: cs_create_cmd | |
| 758 * | |
| 759 * Creates the actual cscope command query from what the user entered. | |
| 760 */ | |
| 761 static char * | |
|
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762 cs_create_cmd(char *csoption, char *pattern) |
| 7 | 763 { |
| 764 char *cmd; | |
| 765 short search; | |
| 1847 | 766 char *pat; |
| 7 | 767 |
| 768 switch (csoption[0]) | |
| 769 { | |
| 770 case '0' : case 's' : | |
| 771 search = 0; | |
| 772 break; | |
| 773 case '1' : case 'g' : | |
| 774 search = 1; | |
| 775 break; | |
| 776 case '2' : case 'd' : | |
| 777 search = 2; | |
| 778 break; | |
| 779 case '3' : case 'c' : | |
| 780 search = 3; | |
| 781 break; | |
| 782 case '4' : case 't' : | |
| 783 search = 4; | |
| 784 break; | |
| 785 case '6' : case 'e' : | |
| 786 search = 6; | |
| 787 break; | |
| 788 case '7' : case 'f' : | |
| 789 search = 7; | |
| 790 break; | |
| 791 case '8' : case 'i' : | |
| 792 search = 8; | |
| 793 break; | |
|
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794 case '9' : case 'a' : |
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795 search = 9; |
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796 break; |
| 7 | 797 default : |
| 798 (void)EMSG(_("E561: unknown cscope search type")); | |
| 799 cs_usage_msg(Find); | |
| 800 return NULL; | |
| 801 } | |
| 802 | |
| 1847 | 803 /* Skip white space before the patter, except for text and pattern search, |
| 804 * they may want to use the leading white space. */ | |
| 805 pat = pattern; | |
| 806 if (search != 4 && search != 6) | |
| 807 while vim_iswhite(*pat) | |
| 808 ++pat; | |
| 809 | |
| 810 if ((cmd = (char *)alloc((unsigned)(strlen(pat) + 2))) == NULL) | |
| 7 | 811 return NULL; |
| 812 | |
| 1847 | 813 (void)sprintf(cmd, "%d%s", search, pat); |
| 7 | 814 |
| 815 return cmd; | |
| 816 } /* cs_create_cmd */ | |
| 817 | |
| 818 | |
| 819 /* | |
| 820 * PRIVATE: cs_create_connection | |
| 821 * | |
| 822 * This piece of code was taken/adapted from nvi. do we need to add | |
| 823 * the BSD license notice? | |
| 824 */ | |
| 825 static int | |
|
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826 cs_create_connection(int i) |
| 7 | 827 { |
| 1385 | 828 #ifdef UNIX |
| 829 int to_cs[2], from_cs[2]; | |
| 830 #endif | |
| 831 int len; | |
| 832 char *prog, *cmd, *ppath = NULL; | |
| 833 #ifdef WIN32 | |
| 834 int fd; | |
| 835 SECURITY_ATTRIBUTES sa; | |
| 836 PROCESS_INFORMATION pi; | |
| 837 STARTUPINFO si; | |
| 838 BOOL pipe_stdin = FALSE, pipe_stdout = FALSE; | |
| 839 HANDLE stdin_rd, stdout_rd; | |
| 840 HANDLE stdout_wr, stdin_wr; | |
| 841 BOOL created; | |
| 1393 | 842 # ifdef __BORLANDC__ |
| 843 # define OPEN_OH_ARGTYPE long | |
| 844 # else | |
|
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845 # if (_MSC_VER >= 1300) || defined(__MINGW32__) |
| 1393 | 846 # define OPEN_OH_ARGTYPE intptr_t |
| 847 # else | |
| 848 # define OPEN_OH_ARGTYPE long | |
| 849 # endif | |
| 850 # endif | |
| 7 | 851 #endif |
| 852 | |
| 1385 | 853 #if defined(UNIX) |
| 7 | 854 /* |
| 855 * Cscope reads from to_cs[0] and writes to from_cs[1]; vi reads from | |
| 856 * from_cs[0] and writes to to_cs[1]. | |
| 857 */ | |
| 858 to_cs[0] = to_cs[1] = from_cs[0] = from_cs[1] = -1; | |
| 859 if (pipe(to_cs) < 0 || pipe(from_cs) < 0) | |
| 860 { | |
| 861 (void)EMSG(_("E566: Could not create cscope pipes")); | |
| 862 err_closing: | |
| 863 if (to_cs[0] != -1) | |
| 864 (void)close(to_cs[0]); | |
| 865 if (to_cs[1] != -1) | |
| 866 (void)close(to_cs[1]); | |
| 867 if (from_cs[0] != -1) | |
| 868 (void)close(from_cs[0]); | |
| 869 if (from_cs[1] != -1) | |
| 870 (void)close(from_cs[1]); | |
| 871 return CSCOPE_FAILURE; | |
| 872 } | |
| 873 | |
| 874 switch (csinfo[i].pid = fork()) | |
| 875 { | |
| 876 case -1: | |
| 877 (void)EMSG(_("E622: Could not fork for cscope")); | |
| 878 goto err_closing; | |
| 879 case 0: /* child: run cscope. */ | |
| 880 if (dup2(to_cs[0], STDIN_FILENO) == -1) | |
| 881 PERROR("cs_create_connection 1"); | |
| 882 if (dup2(from_cs[1], STDOUT_FILENO) == -1) | |
| 883 PERROR("cs_create_connection 2"); | |
| 884 if (dup2(from_cs[1], STDERR_FILENO) == -1) | |
| 885 PERROR("cs_create_connection 3"); | |
| 886 | |
| 887 /* close unused */ | |
| 888 (void)close(to_cs[1]); | |
| 889 (void)close(from_cs[0]); | |
| 890 #else | |
| 1385 | 891 /* WIN32 */ |
| 892 /* Create pipes to communicate with cscope */ | |
| 893 sa.nLength = sizeof(SECURITY_ATTRIBUTES); | |
| 894 sa.bInheritHandle = TRUE; | |
| 895 sa.lpSecurityDescriptor = NULL; | |
| 896 | |
| 897 if (!(pipe_stdin = CreatePipe(&stdin_rd, &stdin_wr, &sa, 0)) | |
| 898 || !(pipe_stdout = CreatePipe(&stdout_rd, &stdout_wr, &sa, 0))) | |
| 899 { | |
| 900 (void)EMSG(_("E566: Could not create cscope pipes")); | |
| 901 err_closing: | |
| 902 if (pipe_stdin) | |
| 903 { | |
| 904 CloseHandle(stdin_rd); | |
| 905 CloseHandle(stdin_wr); | |
| 906 } | |
| 907 if (pipe_stdout) | |
| 908 { | |
| 909 CloseHandle(stdout_rd); | |
| 910 CloseHandle(stdout_wr); | |
| 911 } | |
| 912 return CSCOPE_FAILURE; | |
| 913 } | |
| 7 | 914 #endif |
| 915 /* expand the cscope exec for env var's */ | |
| 916 if ((prog = (char *)alloc(MAXPATHL + 1)) == NULL) | |
| 917 { | |
| 918 #ifdef UNIX | |
| 919 return CSCOPE_FAILURE; | |
| 920 #else | |
| 1385 | 921 /* WIN32 */ |
| 7 | 922 goto err_closing; |
| 923 #endif | |
| 924 } | |
| 925 expand_env((char_u *)p_csprg, (char_u *)prog, MAXPATHL); | |
| 926 | |
| 927 /* alloc space to hold the cscope command */ | |
| 835 | 928 len = (int)(strlen(prog) + strlen(csinfo[i].fname) + 32); |
| 7 | 929 if (csinfo[i].ppath) |
| 930 { | |
| 931 /* expand the prepend path for env var's */ | |
| 932 if ((ppath = (char *)alloc(MAXPATHL + 1)) == NULL) | |
| 933 { | |
| 934 vim_free(prog); | |
| 935 #ifdef UNIX | |
| 936 return CSCOPE_FAILURE; | |
| 937 #else | |
| 1385 | 938 /* WIN32 */ |
| 7 | 939 goto err_closing; |
| 940 #endif | |
| 941 } | |
| 942 expand_env((char_u *)csinfo[i].ppath, (char_u *)ppath, MAXPATHL); | |
| 943 | |
| 835 | 944 len += (int)strlen(ppath); |
| 7 | 945 } |
| 946 | |
| 947 if (csinfo[i].flags) | |
| 835 | 948 len += (int)strlen(csinfo[i].flags); |
| 7 | 949 |
| 950 if ((cmd = (char *)alloc(len)) == NULL) | |
| 951 { | |
| 952 vim_free(prog); | |
| 953 vim_free(ppath); | |
| 954 #ifdef UNIX | |
| 955 return CSCOPE_FAILURE; | |
| 956 #else | |
| 1385 | 957 /* WIN32 */ |
| 7 | 958 goto err_closing; |
| 959 #endif | |
| 960 } | |
| 961 | |
| 962 /* run the cscope command; is there execl for non-unix systems? */ | |
| 963 #if defined(UNIX) | |
| 964 (void)sprintf(cmd, "exec %s -dl -f %s", prog, csinfo[i].fname); | |
| 965 #else | |
| 1385 | 966 /* WIN32 */ |
| 7 | 967 (void)sprintf(cmd, "%s -dl -f %s", prog, csinfo[i].fname); |
| 968 #endif | |
| 969 if (csinfo[i].ppath != NULL) | |
| 970 { | |
| 971 (void)strcat(cmd, " -P"); | |
| 972 (void)strcat(cmd, csinfo[i].ppath); | |
| 973 } | |
| 974 if (csinfo[i].flags != NULL) | |
| 975 { | |
| 976 (void)strcat(cmd, " "); | |
| 977 (void)strcat(cmd, csinfo[i].flags); | |
| 978 } | |
| 979 # ifdef UNIX | |
| 980 /* on Win32 we still need prog */ | |
| 981 vim_free(prog); | |
| 982 # endif | |
| 983 vim_free(ppath); | |
| 984 | |
| 985 #if defined(UNIX) | |
|
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986 # if defined(HAVE_SETSID) || defined(HAVE_SETPGID) |
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987 /* Change our process group to avoid cscope receiving SIGWINCH. */ |
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988 # if defined(HAVE_SETSID) |
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989 (void)setsid(); |
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990 # else |
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991 if (setpgid(0, 0) == -1) |
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992 PERROR(_("cs_create_connection setpgid failed")); |
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993 # endif |
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994 # endif |
| 1878 | 995 if (execl("/bin/sh", "sh", "-c", cmd, (char *)NULL) == -1) |
| 7 | 996 PERROR(_("cs_create_connection exec failed")); |
| 997 | |
| 998 exit(127); | |
| 999 /* NOTREACHED */ | |
| 1000 default: /* parent. */ | |
| 1001 /* | |
| 1002 * Save the file descriptors for later duplication, and | |
| 1003 * reopen as streams. | |
| 1004 */ | |
| 1005 if ((csinfo[i].to_fp = fdopen(to_cs[1], "w")) == NULL) | |
| 1006 PERROR(_("cs_create_connection: fdopen for to_fp failed")); | |
| 1007 if ((csinfo[i].fr_fp = fdopen(from_cs[0], "r")) == NULL) | |
| 1008 PERROR(_("cs_create_connection: fdopen for fr_fp failed")); | |
| 1009 | |
| 1010 /* close unused */ | |
| 1011 (void)close(to_cs[0]); | |
| 1012 (void)close(from_cs[1]); | |
| 1013 | |
| 1014 break; | |
| 1015 } | |
| 1385 | 1016 |
| 7 | 1017 #else |
| 1385 | 1018 /* WIN32 */ |
| 1019 /* Create a new process to run cscope and use pipes to talk with it */ | |
| 1020 GetStartupInfo(&si); | |
| 1021 si.dwFlags = STARTF_USESTDHANDLES | STARTF_USESHOWWINDOW; | |
| 1022 si.wShowWindow = SW_HIDE; /* Hide child application window */ | |
| 1023 si.hStdOutput = stdout_wr; | |
| 1024 si.hStdError = stdout_wr; | |
| 1025 si.hStdInput = stdin_rd; | |
| 1026 created = CreateProcess(NULL, cmd, NULL, NULL, TRUE, CREATE_NEW_CONSOLE, | |
| 1027 NULL, NULL, &si, &pi); | |
| 1028 vim_free(prog); | |
| 1029 vim_free(cmd); | |
| 1030 | |
| 1031 if (!created) | |
| 1032 { | |
| 1033 PERROR(_("cs_create_connection exec failed")); | |
| 1034 (void)EMSG(_("E623: Could not spawn cscope process")); | |
| 1035 goto err_closing; | |
| 1036 } | |
| 1037 /* else */ | |
| 1038 csinfo[i].pid = pi.dwProcessId; | |
| 1039 csinfo[i].hProc = pi.hProcess; | |
| 1040 CloseHandle(pi.hThread); | |
| 1041 | |
| 1042 /* TODO - tidy up after failure to create files on pipe handles. */ | |
| 1393 | 1043 if (((fd = _open_osfhandle((OPEN_OH_ARGTYPE)stdin_wr, |
| 1044 _O_TEXT|_O_APPEND)) < 0) | |
| 1385 | 1045 || ((csinfo[i].to_fp = _fdopen(fd, "w")) == NULL)) |
| 1046 PERROR(_("cs_create_connection: fdopen for to_fp failed")); | |
| 1393 | 1047 if (((fd = _open_osfhandle((OPEN_OH_ARGTYPE)stdout_rd, |
| 1048 _O_TEXT|_O_RDONLY)) < 0) | |
| 1385 | 1049 || ((csinfo[i].fr_fp = _fdopen(fd, "r")) == NULL)) |
| 1050 PERROR(_("cs_create_connection: fdopen for fr_fp failed")); | |
| 1051 | |
| 1052 /* Close handles for file descriptors inherited by the cscope process */ | |
| 1053 CloseHandle(stdin_rd); | |
| 1054 CloseHandle(stdout_wr); | |
| 1055 | |
| 1056 #endif /* !UNIX */ | |
| 1057 | |
| 7 | 1058 return CSCOPE_SUCCESS; |
| 1059 } /* cs_create_connection */ | |
| 1060 | |
| 1061 | |
| 1062 /* | |
| 1063 * PRIVATE: cs_find | |
| 1064 * | |
| 7009 | 1065 * Query cscope using command line interface. Parse the output and use tselect |
| 1066 * to allow choices. Like Nvi, creates a pipe to send to/from query/cscope. | |
| 7 | 1067 * |
| 1068 * returns TRUE if we jump to a tag or abort, FALSE if not. | |
| 1069 */ | |
| 1070 static int | |
|
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1071 cs_find(exarg_T *eap) |
| 7 | 1072 { |
| 1073 char *opt, *pat; | |
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1074 int i; |
| 7 | 1075 |
| 1076 if (cs_check_for_connections() == FALSE) | |
| 1077 { | |
| 1078 (void)EMSG(_("E567: no cscope connections")); | |
| 1079 return FALSE; | |
| 1080 } | |
| 1081 | |
| 1082 if ((opt = strtok((char *)NULL, (const char *)" ")) == NULL) | |
| 1083 { | |
| 1084 cs_usage_msg(Find); | |
| 1085 return FALSE; | |
| 1086 } | |
| 1087 | |
| 1088 pat = opt + strlen(opt) + 1; | |
| 1372 | 1089 if (pat >= (char *)eap->arg + eap_arg_len) |
| 7 | 1090 { |
| 1091 cs_usage_msg(Find); | |
| 1092 return FALSE; | |
| 1093 } | |
| 1094 | |
|
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1095 /* |
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1096 * Let's replace the NULs written by strtok() with spaces - we need the |
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1097 * spaces to correctly display the quickfix/location list window's title. |
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1098 */ |
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1099 for (i = 0; i < eap_arg_len; ++i) |
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1100 if (NUL == eap->arg[i]) |
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1101 eap->arg[i] = ' '; |
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1102 |
| 665 | 1103 return cs_find_common(opt, pat, eap->forceit, TRUE, |
|
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1104 eap->cmdidx == CMD_lcscope, *eap->cmdlinep); |
| 7 | 1105 } /* cs_find */ |
| 1106 | |
| 1107 | |
| 1108 /* | |
| 1109 * PRIVATE: cs_find_common | |
| 1110 * | |
| 1111 * common code for cscope find, shared by cs_find() and do_cstag() | |
| 1112 */ | |
| 1113 static int | |
|
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1114 cs_find_common( |
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1115 char *opt, |
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1116 char *pat, |
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1117 int forceit, |
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1118 int verbose, |
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1119 int use_ll UNUSED, |
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1120 char_u *cmdline UNUSED) |
| 7 | 1121 { |
| 1122 int i; | |
| 1123 char *cmd; | |
| 1931 | 1124 int *nummatches; |
| 1125 int totmatches; | |
| 7 | 1126 #ifdef FEAT_QUICKFIX |
| 1127 char cmdletter; | |
| 1128 char *qfpos; | |
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1129 |
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1130 /* get cmd letter */ |
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1131 switch (opt[0]) |
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1132 { |
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1133 case '0' : |
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1134 cmdletter = 's'; |
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1135 break; |
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1136 case '1' : |
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1137 cmdletter = 'g'; |
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1138 break; |
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1139 case '2' : |
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1140 cmdletter = 'd'; |
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1141 break; |
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1142 case '3' : |
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1143 cmdletter = 'c'; |
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1144 break; |
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1145 case '4' : |
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1146 cmdletter = 't'; |
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1147 break; |
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1148 case '6' : |
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1149 cmdletter = 'e'; |
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1150 break; |
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1151 case '7' : |
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1152 cmdletter = 'f'; |
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1153 break; |
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1154 case '8' : |
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1155 cmdletter = 'i'; |
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1156 break; |
|
9340
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1157 case '9' : |
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1158 cmdletter = 'a'; |
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1159 break; |
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1160 default : |
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1161 cmdletter = opt[0]; |
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1162 } |
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1163 |
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1164 qfpos = (char *)vim_strchr(p_csqf, cmdletter); |
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1165 if (qfpos != NULL) |
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1166 { |
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1167 qfpos++; |
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1168 /* next symbol must be + or - */ |
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1169 if (strchr(CSQF_FLAGS, *qfpos) == NULL) |
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1170 { |
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1171 char *nf = _("E469: invalid cscopequickfix flag %c for %c"); |
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1172 char *buf = (char *)alloc((unsigned)strlen(nf)); |
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1173 |
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1174 /* strlen will be enough because we use chars */ |
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1175 if (buf != NULL) |
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1176 { |
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1177 sprintf(buf, nf, *qfpos, *(qfpos-1)); |
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1178 (void)EMSG(buf); |
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1179 vim_free(buf); |
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1180 } |
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1181 return FALSE; |
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1182 } |
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1183 |
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1184 # ifdef FEAT_AUTOCMD |
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1185 if (*qfpos != '0') |
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1186 { |
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1187 apply_autocmds(EVENT_QUICKFIXCMDPRE, (char_u *)"cscope", |
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1188 curbuf->b_fname, TRUE, curbuf); |
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1189 # ifdef FEAT_EVAL |
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1190 if (did_throw || force_abort) |
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1191 return FALSE; |
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1192 # endif |
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1193 } |
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1194 # endif |
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1195 } |
| 7 | 1196 #endif |
| 1197 | |
| 1198 /* create the actual command to send to cscope */ | |
| 1199 cmd = cs_create_cmd(opt, pat); | |
| 1200 if (cmd == NULL) | |
| 1201 return FALSE; | |
| 1202 | |
| 1931 | 1203 nummatches = (int *)alloc(sizeof(int)*csinfo_size); |
| 1204 if (nummatches == NULL) | |
| 7009 | 1205 { |
| 1206 vim_free(cmd); | |
| 1931 | 1207 return FALSE; |
| 7009 | 1208 } |
| 1931 | 1209 |
| 4352 | 1210 /* Send query to all open connections, then count the total number |
| 1211 * of matches so we can alloc all in one swell foop. */ | |
| 1931 | 1212 for (i = 0; i < csinfo_size; i++) |
| 7 | 1213 nummatches[i] = 0; |
| 1214 totmatches = 0; | |
| 1931 | 1215 for (i = 0; i < csinfo_size; i++) |
| 7 | 1216 { |
| 1040 | 1217 if (csinfo[i].fname == NULL || csinfo[i].to_fp == NULL) |
| 7 | 1218 continue; |
| 1219 | |
| 1220 /* send cmd to cscope */ | |
| 1221 (void)fprintf(csinfo[i].to_fp, "%s\n", cmd); | |
| 1222 (void)fflush(csinfo[i].to_fp); | |
| 1223 | |
| 1224 nummatches[i] = cs_cnt_matches(i); | |
| 1225 | |
| 1226 if (nummatches[i] > -1) | |
| 1227 totmatches += nummatches[i]; | |
| 1228 | |
| 1229 if (nummatches[i] == 0) | |
| 1230 (void)cs_read_prompt(i); | |
| 1231 } | |
| 1232 vim_free(cmd); | |
| 1233 | |
| 1234 if (totmatches == 0) | |
| 1235 { | |
| 1236 char *nf = _("E259: no matches found for cscope query %s of %s"); | |
| 1237 char *buf; | |
| 1238 | |
| 1239 if (!verbose) | |
| 1931 | 1240 { |
| 1241 vim_free(nummatches); | |
| 7 | 1242 return FALSE; |
| 1931 | 1243 } |
| 7 | 1244 |
| 835 | 1245 buf = (char *)alloc((unsigned)(strlen(opt) + strlen(pat) + strlen(nf))); |
| 7 | 1246 if (buf == NULL) |
| 1247 (void)EMSG(nf); | |
| 1248 else | |
| 1249 { | |
| 1250 sprintf(buf, nf, opt, pat); | |
| 1251 (void)EMSG(buf); | |
| 1252 vim_free(buf); | |
| 1253 } | |
| 1931 | 1254 vim_free(nummatches); |
| 7 | 1255 return FALSE; |
| 1256 } | |
| 1257 | |
| 1258 #ifdef FEAT_QUICKFIX | |
| 36 | 1259 if (qfpos != NULL && *qfpos != '0' && totmatches > 0) |
| 7 | 1260 { |
| 1261 /* fill error list */ | |
| 1027 | 1262 FILE *f; |
| 6721 | 1263 char_u *tmp = vim_tempname('c', TRUE); |
| 665 | 1264 qf_info_T *qi = NULL; |
| 1265 win_T *wp = NULL; | |
| 7 | 1266 |
| 531 | 1267 f = mch_fopen((char *)tmp, "w"); |
| 1027 | 1268 if (f == NULL) |
| 1269 EMSG2(_(e_notopen), tmp); | |
| 1270 else | |
| 7 | 1271 { |
| 1027 | 1272 cs_file_results(f, nummatches); |
| 1273 fclose(f); | |
| 1274 if (use_ll) /* Use location list */ | |
| 1275 wp = curwin; | |
| 1276 /* '-' starts a new error list */ | |
| 1277 if (qf_init(wp, tmp, (char_u *)"%f%*\\t%l%*\\t%m", | |
|
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1278 *qfpos == '-', cmdline) > 0) |
| 1027 | 1279 { |
| 7 | 1280 # ifdef FEAT_WINDOWS |
| 1027 | 1281 if (postponed_split != 0) |
| 1282 { | |
| 7009 | 1283 (void)win_split(postponed_split > 0 ? postponed_split : 0, |
| 7 | 1284 postponed_split_flags); |
| 2583 | 1285 RESET_BINDING(curwin); |
| 1027 | 1286 postponed_split = 0; |
| 1287 } | |
| 7 | 1288 # endif |
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1289 |
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1290 # ifdef FEAT_AUTOCMD |
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1291 apply_autocmds(EVENT_QUICKFIXCMDPOST, (char_u *)"cscope", |
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1292 curbuf->b_fname, TRUE, curbuf); |
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1293 # endif |
| 1027 | 1294 if (use_ll) |
| 1295 /* | |
| 1296 * In the location list window, use the displayed location | |
| 1297 * list. Otherwise, use the location list for the window. | |
| 1298 */ | |
| 1299 qi = (bt_quickfix(wp->w_buffer) && wp->w_llist_ref != NULL) | |
| 1300 ? wp->w_llist_ref : wp->w_llist; | |
| 1301 qf_jump(qi, 0, 0, forceit); | |
| 1302 } | |
| 7 | 1303 } |
| 1304 mch_remove(tmp); | |
| 1305 vim_free(tmp); | |
| 1931 | 1306 vim_free(nummatches); |
| 7 | 1307 return TRUE; |
| 1308 } | |
| 1309 else | |
| 1310 #endif /* FEAT_QUICKFIX */ | |
| 1311 { | |
| 944 | 1312 char **matches = NULL, **contexts = NULL; |
| 1313 int matched = 0; | |
| 1314 | |
| 7 | 1315 /* read output */ |
| 1316 cs_fill_results((char *)pat, totmatches, nummatches, &matches, | |
| 1317 &contexts, &matched); | |
| 1931 | 1318 vim_free(nummatches); |
| 7 | 1319 if (matches == NULL) |
| 1320 return FALSE; | |
| 1321 | |
| 293 | 1322 (void)cs_manage_matches(matches, contexts, matched, Store); |
| 7 | 1323 |
| 1324 return do_tag((char_u *)pat, DT_CSCOPE, 0, forceit, verbose); | |
| 1325 } | |
| 1326 | |
| 1327 } /* cs_find_common */ | |
| 1328 | |
| 1329 /* | |
| 1330 * PRIVATE: cs_help | |
| 1331 * | |
| 1332 * print help | |
| 1333 */ | |
| 1334 static int | |
|
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1335 cs_help(exarg_T *eap UNUSED) |
| 7 | 1336 { |
| 1337 cscmd_T *cmdp = cs_cmds; | |
| 1338 | |
| 1339 (void)MSG_PUTS(_("cscope commands:\n")); | |
| 1340 while (cmdp->name != NULL) | |
| 1341 { | |
| 1793 | 1342 char *help = _(cmdp->help); |
| 1343 int space_cnt = 30 - vim_strsize((char_u *)help); | |
| 1344 | |
| 1345 /* Use %*s rather than %30s to ensure proper alignment in utf-8 */ | |
| 1346 if (space_cnt < 0) | |
| 1347 space_cnt = 0; | |
| 1348 (void)smsg((char_u *)_("%-5s: %s%*s (Usage: %s)"), | |
| 1349 cmdp->name, | |
| 1350 help, space_cnt, " ", | |
| 1351 cmdp->usage); | |
| 7 | 1352 if (strcmp(cmdp->name, "find") == 0) |
| 1706 | 1353 MSG_PUTS(_("\n" |
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1354 " a: Find assignments to this symbol\n" |
| 1706 | 1355 " c: Find functions calling this function\n" |
| 1356 " d: Find functions called by this function\n" | |
| 1357 " e: Find this egrep pattern\n" | |
| 1358 " f: Find this file\n" | |
| 1359 " g: Find this definition\n" | |
| 1360 " i: Find files #including this file\n" | |
| 1361 " s: Find this C symbol\n" | |
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1362 " t: Find this text string\n")); |
| 1706 | 1363 |
| 7 | 1364 cmdp++; |
| 1365 } | |
| 1366 | |
| 1367 wait_return(TRUE); | |
| 1368 return 0; | |
| 1369 } /* cs_help */ | |
| 1370 | |
| 1371 | |
| 1372 static void | |
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1373 clear_csinfo(int i) |
| 7 | 1374 { |
| 1375 csinfo[i].fname = NULL; | |
| 1376 csinfo[i].ppath = NULL; | |
| 1377 csinfo[i].flags = NULL; | |
| 1378 #if defined(UNIX) | |
| 1379 csinfo[i].st_dev = (dev_t)0; | |
| 1380 csinfo[i].st_ino = (ino_t)0; | |
| 1381 #else | |
| 1382 csinfo[i].nVolume = 0; | |
| 1383 csinfo[i].nIndexHigh = 0; | |
| 1384 csinfo[i].nIndexLow = 0; | |
| 1385 #endif | |
| 1621 | 1386 csinfo[i].pid = 0; |
| 7 | 1387 csinfo[i].fr_fp = NULL; |
| 1388 csinfo[i].to_fp = NULL; | |
| 301 | 1389 #if defined(WIN32) |
| 1390 csinfo[i].hProc = NULL; | |
| 1391 #endif | |
| 7 | 1392 } |
| 1393 | |
| 1394 #ifndef UNIX | |
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1395 static char *GetWin32Error(void); |
| 7 | 1396 |
| 1397 static char * | |
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1398 GetWin32Error(void) |
| 7 | 1399 { |
| 1400 char *msg = NULL; | |
| 1401 FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER|FORMAT_MESSAGE_FROM_SYSTEM, | |
| 1402 NULL, GetLastError(), 0, (LPSTR)&msg, 0, NULL); | |
| 1403 if (msg != NULL) | |
| 1404 { | |
| 1405 /* remove trailing \r\n */ | |
| 1406 char *pcrlf = strstr(msg, "\r\n"); | |
| 1407 if (pcrlf != NULL) | |
| 1408 *pcrlf = '\0'; | |
| 1409 } | |
| 1410 return msg; | |
| 1411 } | |
| 1412 #endif | |
| 323 | 1413 |
| 7 | 1414 /* |
| 1415 * PRIVATE: cs_insert_filelist | |
| 1416 * | |
| 1417 * insert a new cscope database filename into the filelist | |
| 1418 */ | |
| 1419 static int | |
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1420 cs_insert_filelist( |
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1421 char *fname, |
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1422 char *ppath, |
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1423 char *flags, |
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1424 stat_T *sb UNUSED) |
| 7 | 1425 { |
| 1426 short i, j; | |
| 1427 #ifndef UNIX | |
| 1428 BY_HANDLE_FILE_INFORMATION bhfi; | |
| 1429 | |
| 1430 /* On windows 9x GetFileInformationByHandle doesn't work, so skip it */ | |
| 1431 if (!mch_windows95()) | |
| 1432 { | |
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1433 switch (win32_fileinfo((char_u *)fname, &bhfi)) |
| 7 | 1434 { |
| 2793 | 1435 case FILEINFO_ENC_FAIL: /* enc_to_utf16() failed */ |
| 1436 case FILEINFO_READ_FAIL: /* CreateFile() failed */ | |
| 7 | 1437 if (p_csverbose) |
| 1438 { | |
| 1439 char *cant_msg = _("E625: cannot open cscope database: %s"); | |
| 1440 char *winmsg = GetWin32Error(); | |
| 1441 | |
| 1442 if (winmsg != NULL) | |
| 1443 { | |
| 1444 (void)EMSG2(cant_msg, winmsg); | |
| 1445 LocalFree(winmsg); | |
| 1446 } | |
| 1447 else | |
| 1448 /* subst filename if can't get error text */ | |
| 1449 (void)EMSG2(cant_msg, fname); | |
| 1450 } | |
| 1451 return -1; | |
| 2793 | 1452 |
| 1453 case FILEINFO_INFO_FAIL: /* GetFileInformationByHandle() failed */ | |
| 7 | 1454 if (p_csverbose) |
| 1455 (void)EMSG(_("E626: cannot get cscope database information")); | |
| 1456 return -1; | |
| 1457 } | |
| 1458 } | |
| 1459 #endif | |
| 1460 | |
| 1461 i = -1; /* can be set to the index of an empty item in csinfo */ | |
| 1931 | 1462 for (j = 0; j < csinfo_size; j++) |
| 7 | 1463 { |
| 1464 if (csinfo[j].fname != NULL | |
| 1465 #if defined(UNIX) | |
| 1466 && csinfo[j].st_dev == sb->st_dev && csinfo[j].st_ino == sb->st_ino | |
| 1467 #else | |
| 1468 /* compare pathnames first */ | |
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1469 && ((fullpathcmp((char_u *)csinfo[j].fname, |
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1470 (char_u *)fname, FALSE) & FPC_SAME) |
| 1372 | 1471 /* if not Windows 9x, test index file attributes too */ |
| 7 | 1472 || (!mch_windows95() |
| 1473 && csinfo[j].nVolume == bhfi.dwVolumeSerialNumber | |
| 1474 && csinfo[j].nIndexHigh == bhfi.nFileIndexHigh | |
| 1475 && csinfo[j].nIndexLow == bhfi.nFileIndexLow)) | |
| 1476 #endif | |
| 1477 ) | |
| 1478 { | |
| 1479 if (p_csverbose) | |
| 1480 (void)EMSG(_("E568: duplicate cscope database not added")); | |
| 1481 return -1; | |
| 1482 } | |
| 1483 | |
| 1484 if (csinfo[j].fname == NULL && i == -1) | |
| 1485 i = j; /* remember first empty entry */ | |
| 1486 } | |
| 1487 | |
| 1488 if (i == -1) | |
| 1489 { | |
| 1931 | 1490 i = csinfo_size; |
| 1491 if (csinfo_size == 0) | |
| 1492 { | |
| 1493 /* First time allocation: allocate only 1 connection. It should | |
| 1494 * be enough for most users. If more is needed, csinfo will be | |
| 1495 * reallocated. */ | |
| 1496 csinfo_size = 1; | |
| 1497 csinfo = (csinfo_T *)alloc_clear(sizeof(csinfo_T)); | |
| 1498 } | |
| 1499 else | |
| 1500 { | |
| 6596 | 1501 csinfo_T *t_csinfo = csinfo; |
| 1502 | |
| 1931 | 1503 /* Reallocate space for more connections. */ |
| 1504 csinfo_size *= 2; | |
| 1505 csinfo = vim_realloc(csinfo, sizeof(csinfo_T)*csinfo_size); | |
| 6596 | 1506 if (csinfo == NULL) |
| 1507 { | |
| 1508 vim_free(t_csinfo); | |
| 1509 csinfo_size = 0; | |
| 1510 } | |
| 1931 | 1511 } |
| 1512 if (csinfo == NULL) | |
| 1513 return -1; | |
| 1514 for (j = csinfo_size/2; j < csinfo_size; j++) | |
| 1515 clear_csinfo(j); | |
| 7 | 1516 } |
| 1517 | |
| 835 | 1518 if ((csinfo[i].fname = (char *)alloc((unsigned)strlen(fname)+1)) == NULL) |
| 7 | 1519 return -1; |
| 1520 | |
| 1521 (void)strcpy(csinfo[i].fname, (const char *)fname); | |
| 1522 | |
| 1523 if (ppath != NULL) | |
| 1524 { | |
| 835 | 1525 if ((csinfo[i].ppath = (char *)alloc((unsigned)strlen(ppath) + 1)) == NULL) |
| 7 | 1526 { |
| 1527 vim_free(csinfo[i].fname); | |
| 1528 csinfo[i].fname = NULL; | |
| 1529 return -1; | |
| 1530 } | |
| 1531 (void)strcpy(csinfo[i].ppath, (const char *)ppath); | |
| 1532 } else | |
| 1533 csinfo[i].ppath = NULL; | |
| 1534 | |
| 1535 if (flags != NULL) | |
| 1536 { | |
| 835 | 1537 if ((csinfo[i].flags = (char *)alloc((unsigned)strlen(flags) + 1)) == NULL) |
| 7 | 1538 { |
| 1539 vim_free(csinfo[i].fname); | |
| 1540 vim_free(csinfo[i].ppath); | |
| 1541 csinfo[i].fname = NULL; | |
| 1542 csinfo[i].ppath = NULL; | |
| 1543 return -1; | |
| 1544 } | |
| 1545 (void)strcpy(csinfo[i].flags, (const char *)flags); | |
| 1546 } else | |
| 1547 csinfo[i].flags = NULL; | |
| 1548 | |
| 1549 #if defined(UNIX) | |
| 1550 csinfo[i].st_dev = sb->st_dev; | |
| 1551 csinfo[i].st_ino = sb->st_ino; | |
| 1552 | |
| 1553 #else | |
| 1554 csinfo[i].nVolume = bhfi.dwVolumeSerialNumber; | |
| 1555 csinfo[i].nIndexLow = bhfi.nFileIndexLow; | |
| 1556 csinfo[i].nIndexHigh = bhfi.nFileIndexHigh; | |
| 1557 #endif | |
| 1558 return i; | |
| 1559 } /* cs_insert_filelist */ | |
| 1560 | |
| 1561 | |
| 1562 /* | |
| 1563 * PRIVATE: cs_lookup_cmd | |
| 1564 * | |
| 1565 * find cscope command in command table | |
| 1566 */ | |
| 1567 static cscmd_T * | |
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1568 cs_lookup_cmd(exarg_T *eap) |
| 7 | 1569 { |
| 1570 cscmd_T *cmdp; | |
| 1571 char *stok; | |
| 1572 size_t len; | |
| 1573 | |
| 1574 if (eap->arg == NULL) | |
| 1575 return NULL; | |
| 1576 | |
| 1372 | 1577 /* Store length of eap->arg before it gets modified by strtok(). */ |
| 1570 | 1578 eap_arg_len = (int)STRLEN(eap->arg); |
| 1372 | 1579 |
| 7 | 1580 if ((stok = strtok((char *)(eap->arg), (const char *)" ")) == NULL) |
| 1581 return NULL; | |
| 1582 | |
| 1583 len = strlen(stok); | |
| 1584 for (cmdp = cs_cmds; cmdp->name != NULL; ++cmdp) | |
| 1585 { | |
| 1586 if (strncmp((const char *)(stok), cmdp->name, len) == 0) | |
| 1587 return (cmdp); | |
| 1588 } | |
| 1589 return NULL; | |
| 1590 } /* cs_lookup_cmd */ | |
| 1591 | |
| 1592 | |
| 1593 /* | |
| 1594 * PRIVATE: cs_kill | |
| 1595 * | |
| 1596 * nuke em | |
| 1597 */ | |
| 1598 static int | |
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1599 cs_kill(exarg_T *eap UNUSED) |
| 7 | 1600 { |
| 1601 char *stok; | |
| 1602 short i; | |
| 1603 | |
| 1604 if ((stok = strtok((char *)NULL, (const char *)" ")) == NULL) | |
| 1605 { | |
| 1606 cs_usage_msg(Kill); | |
| 1607 return CSCOPE_FAILURE; | |
| 1608 } | |
| 1609 | |
| 1610 /* only single digit positive and negative integers are allowed */ | |
| 1611 if ((strlen(stok) < 2 && VIM_ISDIGIT((int)(stok[0]))) | |
| 1612 || (strlen(stok) < 3 && stok[0] == '-' | |
| 1613 && VIM_ISDIGIT((int)(stok[1])))) | |
| 1614 i = atoi(stok); | |
| 1615 else | |
| 1616 { | |
| 1617 /* It must be part of a name. We will try to find a match | |
| 1618 * within all the names in the csinfo data structure | |
| 1619 */ | |
| 1931 | 1620 for (i = 0; i < csinfo_size; i++) |
| 7 | 1621 { |
| 1622 if (csinfo[i].fname != NULL && strstr(csinfo[i].fname, stok)) | |
| 1623 break; | |
| 1624 } | |
| 1625 } | |
| 1626 | |
| 1931 | 1627 if ((i != -1) && (i >= csinfo_size || i < -1 || csinfo[i].fname == NULL)) |
| 7 | 1628 { |
| 1629 if (p_csverbose) | |
| 1630 (void)EMSG2(_("E261: cscope connection %s not found"), stok); | |
| 1631 } | |
| 1632 else | |
| 1633 { | |
| 1634 if (i == -1) | |
| 1635 { | |
| 1931 | 1636 for (i = 0; i < csinfo_size; i++) |
| 7 | 1637 { |
| 1638 if (csinfo[i].fname) | |
| 1639 cs_kill_execute(i, csinfo[i].fname); | |
| 1640 } | |
| 1641 } | |
| 1642 else | |
| 1643 cs_kill_execute(i, stok); | |
| 1644 } | |
| 1645 | |
| 1646 return 0; | |
| 1647 } /* cs_kill */ | |
| 1648 | |
| 1649 | |
| 1650 /* | |
| 1651 * PRIVATE: cs_kill_execute | |
| 1652 * | |
| 1653 * Actually kills a specific cscope connection. | |
| 1654 */ | |
| 1655 static void | |
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1656 cs_kill_execute( |
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1657 int i, /* cscope table index */ |
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1658 char *cname) /* cscope database name */ |
| 7 | 1659 { |
| 1660 if (p_csverbose) | |
| 1661 { | |
| 1662 msg_clr_eos(); | |
| 1663 (void)smsg_attr(hl_attr(HLF_R) | MSG_HIST, | |
| 1664 (char_u *)_("cscope connection %s closed"), cname); | |
| 1665 } | |
| 1666 cs_release_csp(i, TRUE); | |
| 1667 } | |
| 1668 | |
| 1669 | |
| 1670 /* | |
| 1671 * PRIVATE: cs_make_vim_style_matches | |
| 1672 * | |
| 2671 | 1673 * convert the cscope output into a ctags style entry (as might be found |
| 7 | 1674 * in a ctags tags file). there's one catch though: cscope doesn't tell you |
| 1675 * the type of the tag you are looking for. for example, in Darren Hiebert's | |
| 1676 * ctags (the one that comes with vim), #define's use a line number to find the | |
| 1677 * tag in a file while function definitions use a regexp search pattern. | |
| 1678 * | |
| 1679 * i'm going to always use the line number because cscope does something | |
| 1680 * quirky (and probably other things i don't know about): | |
| 1681 * | |
| 1682 * if you have "# define" in your source file, which is | |
| 1683 * perfectly legal, cscope thinks you have "#define". this | |
| 1684 * will result in a failed regexp search. :( | |
| 1685 * | |
| 1686 * besides, even if this particular case didn't happen, the search pattern | |
| 1687 * would still have to be modified to escape all the special regular expression | |
| 1688 * characters to comply with ctags formatting. | |
| 1689 */ | |
| 1690 static char * | |
|
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1691 cs_make_vim_style_matches( |
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1692 char *fname, |
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1693 char *slno, |
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1694 char *search, |
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1695 char *tagstr) |
| 7 | 1696 { |
| 1697 /* vim style is ctags: | |
| 1698 * | |
| 1699 * <tagstr>\t<filename>\t<linenum_or_search>"\t<extra> | |
| 1700 * | |
| 1701 * but as mentioned above, we'll always use the line number and | |
| 1702 * put the search pattern (if one exists) as "extra" | |
| 1703 * | |
| 1704 * buf is used as part of vim's method of handling tags, and | |
| 1705 * (i think) vim frees it when you pop your tags and get replaced | |
| 1706 * by new ones on the tag stack. | |
| 1707 */ | |
| 1708 char *buf; | |
| 1709 int amt; | |
| 1710 | |
| 1711 if (search != NULL) | |
| 1712 { | |
| 835 | 1713 amt = (int)(strlen(fname) + strlen(slno) + strlen(tagstr) + strlen(search)+6); |
| 7 | 1714 if ((buf = (char *)alloc(amt)) == NULL) |
| 1715 return NULL; | |
| 1716 | |
| 1717 (void)sprintf(buf, "%s\t%s\t%s;\"\t%s", tagstr, fname, slno, search); | |
| 1718 } | |
| 1719 else | |
| 1720 { | |
| 835 | 1721 amt = (int)(strlen(fname) + strlen(slno) + strlen(tagstr) + 5); |
| 7 | 1722 if ((buf = (char *)alloc(amt)) == NULL) |
| 1723 return NULL; | |
| 1724 | |
| 1725 (void)sprintf(buf, "%s\t%s\t%s;\"", tagstr, fname, slno); | |
| 1726 } | |
| 1727 | |
| 1728 return buf; | |
| 1729 } /* cs_make_vim_style_matches */ | |
| 1730 | |
| 1731 | |
| 1732 /* | |
| 1733 * PRIVATE: cs_manage_matches | |
| 1734 * | |
| 1735 * this is kind of hokey, but i don't see an easy way round this.. | |
| 1736 * | |
| 1737 * Store: keep a ptr to the (malloc'd) memory of matches originally | |
| 1738 * generated from cs_find(). the matches are originally lines directly | |
| 1739 * from cscope output, but transformed to look like something out of a | |
| 1740 * ctags. see cs_make_vim_style_matches for more details. | |
| 1741 * | |
| 1742 * Get: used only from cs_fgets(), this simulates a vim_fgets() to return | |
| 1743 * the next line from the cscope output. it basically keeps track of which | |
| 1744 * lines have been "used" and returns the next one. | |
| 1745 * | |
| 1746 * Free: frees up everything and resets | |
| 1747 * | |
| 1748 * Print: prints the tags | |
| 1749 */ | |
| 1750 static char * | |
|
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1751 cs_manage_matches( |
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1752 char **matches, |
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1753 char **contexts, |
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commit https://github.com/vim/vim/commit/68c2f638e65d914dc6e84eb7ce2624f08af525c0
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1754 int totmatches, |
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1755 mcmd_e cmd) |
| 7 | 1756 { |
| 1757 static char **mp = NULL; | |
| 1758 static char **cp = NULL; | |
| 1759 static int cnt = -1; | |
| 1760 static int next = -1; | |
| 1761 char *p = NULL; | |
| 1762 | |
| 1763 switch (cmd) | |
| 1764 { | |
| 1765 case Store: | |
| 1766 assert(matches != NULL); | |
| 1767 assert(totmatches > 0); | |
| 1768 if (mp != NULL || cp != NULL) | |
| 1769 (void)cs_manage_matches(NULL, NULL, -1, Free); | |
| 1770 mp = matches; | |
| 1771 cp = contexts; | |
| 1772 cnt = totmatches; | |
| 1773 next = 0; | |
| 1774 break; | |
| 1775 case Get: | |
| 1776 if (next >= cnt) | |
| 1777 return NULL; | |
| 1778 | |
| 1779 p = mp[next]; | |
| 1780 next++; | |
| 1781 break; | |
| 1782 case Free: | |
| 1783 if (mp != NULL) | |
| 1784 { | |
| 1785 if (cnt > 0) | |
| 1786 while (cnt--) | |
| 1787 { | |
| 1788 vim_free(mp[cnt]); | |
| 1789 if (cp != NULL) | |
| 1790 vim_free(cp[cnt]); | |
| 1791 } | |
| 1792 vim_free(mp); | |
| 1793 vim_free(cp); | |
| 1794 } | |
| 1795 mp = NULL; | |
| 1796 cp = NULL; | |
| 1797 cnt = 0; | |
| 1798 next = 0; | |
| 1799 break; | |
| 1800 case Print: | |
| 1801 cs_print_tags_priv(mp, cp, cnt); | |
| 1802 break; | |
| 1803 default: /* should not reach here */ | |
| 1804 (void)EMSG(_("E570: fatal error in cs_manage_matches")); | |
| 1805 return NULL; | |
| 1806 } | |
| 1807 | |
| 1808 return p; | |
| 1809 } /* cs_manage_matches */ | |
| 1810 | |
| 1811 | |
| 1812 /* | |
| 1813 * PRIVATE: cs_parse_results | |
| 1814 * | |
| 1815 * parse cscope output | |
| 1816 */ | |
| 1817 static char * | |
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1818 cs_parse_results( |
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1819 int cnumber, |
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1820 char *buf, |
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1821 int bufsize, |
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1822 char **context, |
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1823 char **linenumber, |
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1824 char **search) |
| 7 | 1825 { |
| 1826 int ch; | |
| 1827 char *p; | |
| 1828 char *name; | |
| 1829 | |
| 1830 if (fgets(buf, bufsize, csinfo[cnumber].fr_fp) == NULL) | |
| 1831 { | |
| 1832 if (feof(csinfo[cnumber].fr_fp)) | |
| 1833 errno = EIO; | |
| 1834 | |
| 1835 cs_reading_emsg(cnumber); | |
| 1836 | |
| 1837 return NULL; | |
| 1838 } | |
| 1839 | |
| 1840 /* If the line's too long for the buffer, discard it. */ | |
| 1841 if ((p = strchr(buf, '\n')) == NULL) | |
| 1842 { | |
| 1843 while ((ch = getc(csinfo[cnumber].fr_fp)) != EOF && ch != '\n') | |
| 1844 ; | |
| 1845 return NULL; | |
| 1846 } | |
| 1847 *p = '\0'; | |
| 1848 | |
| 1849 /* | |
| 1850 * cscope output is in the following format: | |
| 1851 * | |
| 1852 * <filename> <context> <line number> <pattern> | |
| 1853 */ | |
| 1854 if ((name = strtok((char *)buf, (const char *)" ")) == NULL) | |
| 1855 return NULL; | |
| 1856 if ((*context = strtok(NULL, (const char *)" ")) == NULL) | |
| 1857 return NULL; | |
| 1858 if ((*linenumber = strtok(NULL, (const char *)" ")) == NULL) | |
| 1859 return NULL; | |
| 1860 *search = *linenumber + strlen(*linenumber) + 1; /* +1 to skip \0 */ | |
| 1861 | |
| 1862 /* --- nvi --- | |
| 1863 * If the file is older than the cscope database, that is, | |
| 1864 * the database was built since the file was last modified, | |
| 1865 * or there wasn't a search string, use the line number. | |
| 1866 */ | |
| 1867 if (strcmp(*search, "<unknown>") == 0) | |
| 1868 *search = NULL; | |
| 1869 | |
| 1870 name = cs_resolve_file(cnumber, name); | |
| 1871 return name; | |
| 1872 } | |
| 1873 | |
| 636 | 1874 #ifdef FEAT_QUICKFIX |
| 7 | 1875 /* |
| 1876 * PRIVATE: cs_file_results | |
| 1877 * | |
| 1878 * write cscope find results to file | |
| 1879 */ | |
| 1880 static void | |
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1881 cs_file_results(FILE *f, int *nummatches_a) |
| 7 | 1882 { |
| 1883 int i, j; | |
| 1884 char *buf; | |
| 1885 char *search, *slno; | |
| 1886 char *fullname; | |
| 1887 char *cntx; | |
| 1888 char *context; | |
| 1889 | |
| 1890 buf = (char *)alloc(CSREAD_BUFSIZE); | |
| 1891 if (buf == NULL) | |
| 1892 return; | |
| 1893 | |
| 1931 | 1894 for (i = 0; i < csinfo_size; i++) |
| 7 | 1895 { |
| 1896 if (nummatches_a[i] < 1) | |
| 1897 continue; | |
| 1898 | |
| 1899 for (j = 0; j < nummatches_a[i]; j++) | |
| 1900 { | |
| 293 | 1901 if ((fullname = cs_parse_results(i, buf, CSREAD_BUFSIZE, &cntx, |
| 1902 &slno, &search)) == NULL) | |
| 7 | 1903 continue; |
| 1904 | |
| 835 | 1905 context = (char *)alloc((unsigned)strlen(cntx)+5); |
| 1027 | 1906 if (context == NULL) |
| 7 | 1907 continue; |
| 1908 | |
| 1909 if (strcmp(cntx, "<global>")==0) | |
| 1910 strcpy(context, "<<global>>"); | |
| 1911 else | |
| 1912 sprintf(context, "<<%s>>", cntx); | |
| 1913 | |
| 1027 | 1914 if (search == NULL) |
| 7 | 1915 fprintf(f, "%s\t%s\t%s\n", fullname, slno, context); |
| 1916 else | |
| 1917 fprintf(f, "%s\t%s\t%s %s\n", fullname, slno, context, search); | |
| 1918 | |
| 1919 vim_free(context); | |
| 1920 vim_free(fullname); | |
| 1921 } /* for all matches */ | |
| 1922 | |
| 1923 (void)cs_read_prompt(i); | |
| 1924 | |
| 1925 } /* for all cscope connections */ | |
| 1926 vim_free(buf); | |
| 1927 } | |
| 636 | 1928 #endif |
| 7 | 1929 |
| 1930 /* | |
| 1931 * PRIVATE: cs_fill_results | |
| 1932 * | |
| 1933 * get parsed cscope output and calls cs_make_vim_style_matches to convert | |
| 1934 * into ctags format | |
| 297 | 1935 * When there are no matches sets "*matches_p" to NULL. |
| 7 | 1936 */ |
| 1937 static void | |
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1938 cs_fill_results( |
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1939 char *tagstr, |
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1940 int totmatches, |
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1941 int *nummatches_a, |
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1942 char ***matches_p, |
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1943 char ***cntxts_p, |
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1944 int *matched) |
| 7 | 1945 { |
| 1946 int i, j; | |
| 1947 char *buf; | |
| 1948 char *search, *slno; | |
| 1949 int totsofar = 0; | |
| 1950 char **matches = NULL; | |
| 1951 char **cntxts = NULL; | |
| 1952 char *fullname; | |
| 1953 char *cntx; | |
| 1954 | |
| 1955 assert(totmatches > 0); | |
| 1956 | |
| 1957 buf = (char *)alloc(CSREAD_BUFSIZE); | |
| 1958 if (buf == NULL) | |
| 1959 return; | |
| 1960 | |
| 1961 if ((matches = (char **)alloc(sizeof(char *) * totmatches)) == NULL) | |
| 1962 goto parse_out; | |
| 1963 if ((cntxts = (char **)alloc(sizeof(char *) * totmatches)) == NULL) | |
| 1964 goto parse_out; | |
| 1965 | |
| 1931 | 1966 for (i = 0; i < csinfo_size; i++) |
| 7 | 1967 { |
| 1968 if (nummatches_a[i] < 1) | |
| 1969 continue; | |
| 1970 | |
| 1971 for (j = 0; j < nummatches_a[i]; j++) | |
| 1972 { | |
| 1973 if ((fullname = cs_parse_results(i, buf, CSREAD_BUFSIZE, &cntx, | |
| 1974 &slno, &search)) == NULL) | |
| 1975 continue; | |
| 1976 | |
| 1977 matches[totsofar] = cs_make_vim_style_matches(fullname, slno, | |
| 1978 search, tagstr); | |
| 1979 | |
| 1980 vim_free(fullname); | |
| 1981 | |
| 1982 if (strcmp(cntx, "<global>") == 0) | |
| 1983 cntxts[totsofar] = NULL; | |
| 1984 else | |
| 1985 /* note: if vim_strsave returns NULL, then the context | |
| 1986 * will be "<global>", which is misleading. | |
| 1987 */ | |
| 1988 cntxts[totsofar] = (char *)vim_strsave((char_u *)cntx); | |
| 1989 | |
| 1990 if (matches[totsofar] != NULL) | |
| 1991 totsofar++; | |
| 1992 | |
| 1993 } /* for all matches */ | |
| 1994 | |
| 1995 (void)cs_read_prompt(i); | |
| 1996 | |
| 1997 } /* for all cscope connections */ | |
| 1998 | |
| 1999 parse_out: | |
| 297 | 2000 if (totsofar == 0) |
| 2001 { | |
| 2002 /* No matches, free the arrays and return NULL in "*matches_p". */ | |
| 2003 vim_free(matches); | |
| 2004 matches = NULL; | |
| 2005 vim_free(cntxts); | |
| 2006 cntxts = NULL; | |
| 2007 } | |
| 7 | 2008 *matched = totsofar; |
| 2009 *matches_p = matches; | |
| 2010 *cntxts_p = cntxts; | |
| 297 | 2011 |
| 7 | 2012 vim_free(buf); |
| 2013 } /* cs_fill_results */ | |
| 2014 | |
| 2015 | |
| 2016 /* get the requested path components */ | |
| 2017 static char * | |
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2018 cs_pathcomponents(char *path) |
| 7 | 2019 { |
| 2020 int i; | |
| 2021 char *s; | |
| 2022 | |
| 2023 if (p_cspc == 0) | |
| 2024 return path; | |
| 2025 | |
| 2026 s = path + strlen(path) - 1; | |
| 2027 for (i = 0; i < p_cspc; ++i) | |
| 2028 while (s > path && *--s != '/' | |
| 2029 #ifdef WIN32 | |
| 2030 && *--s != '\\' | |
| 2031 #endif | |
| 2032 ) | |
| 2033 ; | |
| 2034 if ((s > path && *s == '/') | |
| 2035 #ifdef WIN32 | |
| 2036 || (s > path && *s == '\\') | |
| 2037 #endif | |
| 2038 ) | |
| 2039 ++s; | |
| 2040 return s; | |
| 2041 } | |
| 2042 | |
| 2043 /* | |
| 2044 * PRIVATE: cs_print_tags_priv | |
| 2045 * | |
| 2046 * called from cs_manage_matches() | |
| 2047 */ | |
| 2048 static void | |
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2049 cs_print_tags_priv(char **matches, char **cntxts, int num_matches) |
| 7 | 2050 { |
| 2051 char *buf = NULL; | |
| 6596 | 2052 char *t_buf; |
| 7 | 2053 int bufsize = 0; /* Track available bufsize */ |
| 2054 int newsize = 0; | |
| 2055 char *ptag; | |
| 2056 char *fname, *lno, *extra, *tbuf; | |
| 2057 int i, idx, num; | |
| 2058 char *globalcntx = "GLOBAL"; | |
| 2059 char *cntxformat = " <<%s>>"; | |
| 2060 char *context; | |
| 2061 char *cstag_msg = _("Cscope tag: %s"); | |
| 2062 char *csfmt_str = "%4d %6s "; | |
| 2063 | |
| 2064 assert (num_matches > 0); | |
| 2065 | |
| 835 | 2066 if ((tbuf = (char *)alloc((unsigned)strlen(matches[0]) + 1)) == NULL) |
| 7 | 2067 return; |
| 2068 | |
| 2069 strcpy(tbuf, matches[0]); | |
| 2070 ptag = strtok(tbuf, "\t"); | |
| 7009 | 2071 if (ptag == NULL) |
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2072 { |
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2073 vim_free(tbuf); |
| 7009 | 2074 return; |
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2075 } |
| 7 | 2076 |
| 835 | 2077 newsize = (int)(strlen(cstag_msg) + strlen(ptag)); |
| 7 | 2078 buf = (char *)alloc(newsize); |
| 2079 if (buf != NULL) | |
| 2080 { | |
| 2081 bufsize = newsize; | |
| 2082 (void)sprintf(buf, cstag_msg, ptag); | |
| 2083 MSG_PUTS_ATTR(buf, hl_attr(HLF_T)); | |
| 2084 } | |
| 2085 | |
| 2086 vim_free(tbuf); | |
| 2087 | |
| 2088 MSG_PUTS_ATTR(_("\n # line"), hl_attr(HLF_T)); /* strlen is 7 */ | |
| 2089 msg_advance(msg_col + 2); | |
| 2090 MSG_PUTS_ATTR(_("filename / context / line\n"), hl_attr(HLF_T)); | |
| 2091 | |
| 2092 num = 1; | |
| 2093 for (i = 0; i < num_matches; i++) | |
| 2094 { | |
| 2095 idx = i; | |
| 2096 | |
| 2097 /* if we really wanted to, we could avoid this malloc and strcpy | |
| 2098 * by parsing matches[i] on the fly and placing stuff into buf | |
| 2099 * directly, but that's too much of a hassle | |
| 2100 */ | |
| 835 | 2101 if ((tbuf = (char *)alloc((unsigned)strlen(matches[idx]) + 1)) == NULL) |
| 7 | 2102 continue; |
| 2103 (void)strcpy(tbuf, matches[idx]); | |
| 2104 | |
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2105 if (strtok(tbuf, (const char *)"\t") == NULL |
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2106 || (fname = strtok(NULL, (const char *)"\t")) == NULL |
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2107 || (lno = strtok(NULL, (const char *)"\t")) == NULL) |
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2108 { |
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2109 vim_free(tbuf); |
| 7 | 2110 continue; |
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2111 } |
| 1078 | 2112 extra = strtok(NULL, (const char *)"\t"); |
| 7 | 2113 |
| 2114 lno[strlen(lno)-2] = '\0'; /* ignore ;" at the end */ | |
| 2115 | |
| 2116 /* hopefully 'num' (num of matches) will be less than 10^16 */ | |
| 835 | 2117 newsize = (int)(strlen(csfmt_str) + 16 + strlen(lno)); |
| 7 | 2118 if (bufsize < newsize) |
| 2119 { | |
| 6596 | 2120 t_buf = buf; |
| 7 | 2121 buf = (char *)vim_realloc(buf, newsize); |
| 2122 if (buf == NULL) | |
| 6596 | 2123 { |
| 7 | 2124 bufsize = 0; |
| 6596 | 2125 vim_free(t_buf); |
| 2126 } | |
| 7 | 2127 else |
| 2128 bufsize = newsize; | |
| 2129 } | |
| 2130 if (buf != NULL) | |
| 2131 { | |
| 2132 /* csfmt_str = "%4d %6s "; */ | |
| 2133 (void)sprintf(buf, csfmt_str, num, lno); | |
| 2134 MSG_PUTS_ATTR(buf, hl_attr(HLF_CM)); | |
| 2135 } | |
| 2136 MSG_PUTS_LONG_ATTR(cs_pathcomponents(fname), hl_attr(HLF_CM)); | |
| 2137 | |
| 2138 /* compute the required space for the context */ | |
| 2139 if (cntxts[idx] != NULL) | |
| 2140 context = cntxts[idx]; | |
| 2141 else | |
| 2142 context = globalcntx; | |
| 835 | 2143 newsize = (int)(strlen(context) + strlen(cntxformat)); |
| 7 | 2144 |
| 2145 if (bufsize < newsize) | |
| 2146 { | |
| 6596 | 2147 t_buf = buf; |
| 7 | 2148 buf = (char *)vim_realloc(buf, newsize); |
| 2149 if (buf == NULL) | |
| 6596 | 2150 { |
| 7 | 2151 bufsize = 0; |
| 6596 | 2152 vim_free(t_buf); |
| 2153 } | |
| 7 | 2154 else |
| 2155 bufsize = newsize; | |
| 2156 } | |
| 2157 if (buf != NULL) | |
| 2158 { | |
| 2159 (void)sprintf(buf, cntxformat, context); | |
| 2160 | |
| 2161 /* print the context only if it fits on the same line */ | |
| 2162 if (msg_col + (int)strlen(buf) >= (int)Columns) | |
| 2163 msg_putchar('\n'); | |
| 2164 msg_advance(12); | |
| 2165 MSG_PUTS_LONG(buf); | |
| 2166 msg_putchar('\n'); | |
| 2167 } | |
| 2168 if (extra != NULL) | |
| 2169 { | |
| 2170 msg_advance(13); | |
| 2171 MSG_PUTS_LONG(extra); | |
| 2172 } | |
| 2173 | |
| 2174 vim_free(tbuf); /* only after printing extra due to strtok use */ | |
| 2175 | |
| 2176 if (msg_col) | |
| 2177 msg_putchar('\n'); | |
| 2178 | |
| 2179 ui_breakcheck(); | |
| 2180 if (got_int) | |
| 2181 { | |
| 2182 got_int = FALSE; /* don't print any more matches */ | |
| 2183 break; | |
| 2184 } | |
| 2185 | |
| 2186 num++; | |
| 2187 } /* for all matches */ | |
| 2188 | |
| 2189 vim_free(buf); | |
| 2190 } /* cs_print_tags_priv */ | |
| 2191 | |
| 2192 | |
| 2193 /* | |
| 2194 * PRIVATE: cs_read_prompt | |
| 2195 * | |
| 2196 * read a cscope prompt (basically, skip over the ">> ") | |
| 2197 */ | |
| 2198 static int | |
|
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diff
changeset
|
2199 cs_read_prompt(int i) |
| 7 | 2200 { |
| 2201 int ch; | |
| 2202 char *buf = NULL; /* buffer for possible error message from cscope */ | |
| 2203 int bufpos = 0; | |
| 2204 char *cs_emsg; | |
| 2205 int maxlen; | |
| 2206 static char *eprompt = "Press the RETURN key to continue:"; | |
| 835 | 2207 int epromptlen = (int)strlen(eprompt); |
| 7 | 2208 int n; |
| 2209 | |
| 2210 cs_emsg = _("E609: Cscope error: %s"); | |
| 2211 /* compute maximum allowed len for Cscope error message */ | |
| 2212 maxlen = (int)(IOSIZE - strlen(cs_emsg)); | |
| 2213 | |
| 2214 for (;;) | |
| 2215 { | |
| 2216 while ((ch = getc(csinfo[i].fr_fp)) != EOF && ch != CSCOPE_PROMPT[0]) | |
| 2217 /* if there is room and char is printable */ | |
| 2218 if (bufpos < maxlen - 1 && vim_isprintc(ch)) | |
| 2219 { | |
| 2220 if (buf == NULL) /* lazy buffer allocation */ | |
| 2221 buf = (char *)alloc(maxlen); | |
| 2222 if (buf != NULL) | |
| 2223 { | |
| 2224 /* append character to the message */ | |
| 2225 buf[bufpos++] = ch; | |
| 2226 buf[bufpos] = NUL; | |
| 2227 if (bufpos >= epromptlen | |
| 2228 && strcmp(&buf[bufpos - epromptlen], eprompt) == 0) | |
| 2229 { | |
| 2230 /* remove eprompt from buf */ | |
| 2231 buf[bufpos - epromptlen] = NUL; | |
| 2232 | |
| 2233 /* print message to user */ | |
| 2234 (void)EMSG2(cs_emsg, buf); | |
| 2235 | |
| 2236 /* send RETURN to cscope */ | |
| 2237 (void)putc('\n', csinfo[i].to_fp); | |
| 2238 (void)fflush(csinfo[i].to_fp); | |
| 2239 | |
| 2240 /* clear buf */ | |
| 2241 bufpos = 0; | |
| 2242 buf[bufpos] = NUL; | |
| 2243 } | |
| 2244 } | |
| 2245 } | |
| 2246 | |
| 2247 for (n = 0; n < (int)strlen(CSCOPE_PROMPT); ++n) | |
| 2248 { | |
| 2249 if (n > 0) | |
| 2250 ch = getc(csinfo[i].fr_fp); | |
| 2251 if (ch == EOF) | |
| 2252 { | |
| 2253 PERROR("cs_read_prompt EOF"); | |
| 2254 if (buf != NULL && buf[0] != NUL) | |
| 2255 (void)EMSG2(cs_emsg, buf); | |
| 2256 else if (p_csverbose) | |
| 2257 cs_reading_emsg(i); /* don't have additional information */ | |
| 2258 cs_release_csp(i, TRUE); | |
| 2259 vim_free(buf); | |
| 2260 return CSCOPE_FAILURE; | |
| 2261 } | |
| 2262 | |
| 2263 if (ch != CSCOPE_PROMPT[n]) | |
| 2264 { | |
| 2265 ch = EOF; | |
| 2266 break; | |
| 2267 } | |
| 2268 } | |
| 2269 | |
| 2270 if (ch == EOF) | |
| 2271 continue; /* didn't find the prompt */ | |
| 2272 break; /* did find the prompt */ | |
| 2273 } | |
| 2274 | |
| 2275 vim_free(buf); | |
| 2276 return CSCOPE_SUCCESS; | |
| 2277 } | |
| 2278 | |
| 1566 | 2279 #if defined(UNIX) && defined(SIGALRM) |
| 2280 /* | |
| 2281 * Used to catch and ignore SIGALRM below. | |
| 2282 */ | |
| 2283 static RETSIGTYPE | |
| 2284 sig_handler SIGDEFARG(sigarg) | |
| 2285 { | |
| 2286 /* do nothing */ | |
| 2287 SIGRETURN; | |
| 2288 } | |
| 2289 #endif | |
| 7 | 2290 |
| 2291 /* | |
| 2292 * PRIVATE: cs_release_csp | |
| 2293 * | |
| 1385 | 2294 * Does the actual free'ing for the cs ptr with an optional flag of whether |
| 2295 * or not to free the filename. Called by cs_kill and cs_reset. | |
| 7 | 2296 */ |
| 2297 static void | |
|
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diff
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|
2298 cs_release_csp(int i, int freefnpp) |
| 7 | 2299 { |
| 2300 /* | |
| 2301 * Trying to exit normally (not sure whether it is fit to UNIX cscope | |
| 2302 */ | |
| 2303 if (csinfo[i].to_fp != NULL) | |
| 2304 { | |
| 2305 (void)fputs("q\n", csinfo[i].to_fp); | |
| 2306 (void)fflush(csinfo[i].to_fp); | |
| 2307 } | |
| 1566 | 2308 #if defined(UNIX) |
| 2309 { | |
| 1575 | 2310 int waitpid_errno; |
| 1566 | 2311 int pstat; |
| 2312 pid_t pid; | |
| 2313 | |
| 2314 # if defined(HAVE_SIGACTION) | |
| 2315 struct sigaction sa, old; | |
| 2316 | |
| 1568 | 2317 /* Use sigaction() to limit the waiting time to two seconds. */ |
| 2318 sigemptyset(&sa.sa_mask); | |
| 1566 | 2319 sa.sa_handler = sig_handler; |
|
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2320 # ifdef SA_NODEFER |
| 1566 | 2321 sa.sa_flags = SA_NODEFER; |
|
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2322 # else |
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2323 sa.sa_flags = 0; |
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2324 # endif |
| 1566 | 2325 sigaction(SIGALRM, &sa, &old); |
| 2326 alarm(2); /* 2 sec timeout */ | |
| 2327 | |
| 2328 /* Block until cscope exits or until timer expires */ | |
| 2329 pid = waitpid(csinfo[i].pid, &pstat, 0); | |
| 1575 | 2330 waitpid_errno = errno; |
| 1566 | 2331 |
| 2332 /* cancel pending alarm if still there and restore signal */ | |
| 2333 alarm(0); | |
| 2334 sigaction(SIGALRM, &old, NULL); | |
| 2335 # else | |
| 2336 int waited; | |
| 2337 | |
| 2338 /* Can't use sigaction(), loop for two seconds. First yield the CPU | |
| 2339 * to give cscope a chance to exit quickly. */ | |
| 2340 sleep(0); | |
| 2341 for (waited = 0; waited < 40; ++waited) | |
| 2342 { | |
| 2343 pid = waitpid(csinfo[i].pid, &pstat, WNOHANG); | |
| 1575 | 2344 waitpid_errno = errno; |
| 1566 | 2345 if (pid != 0) |
| 2346 break; /* break unless the process is still running */ | |
| 1578 | 2347 mch_delay(50L, FALSE); /* sleep 50 ms */ |
| 1566 | 2348 } |
| 2349 # endif | |
| 2350 /* | |
| 2351 * If the cscope process is still running: kill it. | |
| 2352 * Safety check: If the PID would be zero here, the entire X session | |
| 2353 * would be killed. -1 and 1 are dangerous as well. | |
| 2354 */ | |
| 2355 if (pid < 0 && csinfo[i].pid > 1) | |
| 2356 { | |
| 1575 | 2357 # ifdef ECHILD |
| 2358 int alive = TRUE; | |
| 2359 | |
| 2360 if (waitpid_errno == ECHILD) | |
| 2361 { | |
| 2362 /* | |
| 2363 * When using 'vim -g', vim is forked and cscope process is | |
| 2364 * no longer a child process but a sibling. So waitpid() | |
| 2365 * fails with errno being ECHILD (No child processes). | |
| 2366 * Don't send SIGKILL to cscope immediately but wait | |
| 2367 * (polling) for it to exit normally as result of sending | |
| 2368 * the "q" command, hence giving it a chance to clean up | |
| 2369 * its temporary files. | |
| 2370 */ | |
| 2371 int waited; | |
| 2372 | |
| 2373 sleep(0); | |
| 2374 for (waited = 0; waited < 40; ++waited) | |
| 2375 { | |
| 2376 /* Check whether cscope process is still alive */ | |
| 2377 if (kill(csinfo[i].pid, 0) != 0) | |
| 2378 { | |
| 2379 alive = FALSE; /* cscope process no longer exists */ | |
| 2380 break; | |
| 2381 } | |
| 1578 | 2382 mch_delay(50L, FALSE); /* sleep 50ms */ |
| 1575 | 2383 } |
| 2384 } | |
| 2385 if (alive) | |
| 2386 # endif | |
| 2387 { | |
| 2388 kill(csinfo[i].pid, SIGKILL); | |
| 2389 (void)waitpid(csinfo[i].pid, &pstat, 0); | |
| 2390 } | |
| 1566 | 2391 } |
| 2392 } | |
| 2393 #else /* !UNIX */ | |
| 1385 | 2394 if (csinfo[i].hProc != NULL) |
| 2395 { | |
| 2396 /* Give cscope a chance to exit normally */ | |
| 2397 if (WaitForSingleObject(csinfo[i].hProc, 1000) == WAIT_TIMEOUT) | |
| 2398 TerminateProcess(csinfo[i].hProc, 0); | |
| 2399 CloseHandle(csinfo[i].hProc); | |
| 2400 } | |
| 7 | 2401 #endif |
| 2402 | |
| 2403 if (csinfo[i].fr_fp != NULL) | |
| 2404 (void)fclose(csinfo[i].fr_fp); | |
| 2405 if (csinfo[i].to_fp != NULL) | |
| 2406 (void)fclose(csinfo[i].to_fp); | |
| 2407 | |
| 2408 if (freefnpp) | |
| 2409 { | |
| 2410 vim_free(csinfo[i].fname); | |
| 2411 vim_free(csinfo[i].ppath); | |
| 2412 vim_free(csinfo[i].flags); | |
| 2413 } | |
| 2414 | |
| 2415 clear_csinfo(i); | |
| 2416 } /* cs_release_csp */ | |
| 2417 | |
| 2418 | |
| 2419 /* | |
| 2420 * PRIVATE: cs_reset | |
| 2421 * | |
| 2422 * calls cs_kill on all cscope connections then reinits | |
| 2423 */ | |
| 2424 static int | |
|
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diff
changeset
|
2425 cs_reset(exarg_T *eap UNUSED) |
| 7 | 2426 { |
| 2427 char **dblist = NULL, **pplist = NULL, **fllist = NULL; | |
| 2428 int i; | |
| 273 | 2429 char buf[20]; /* for sprintf " (#%d)" */ |
| 7 | 2430 |
| 1931 | 2431 if (csinfo_size == 0) |
| 2432 return CSCOPE_SUCCESS; | |
| 2433 | |
| 7 | 2434 /* malloc our db and ppath list */ |
| 1931 | 2435 dblist = (char **)alloc(csinfo_size * sizeof(char *)); |
| 2436 pplist = (char **)alloc(csinfo_size * sizeof(char *)); | |
| 2437 fllist = (char **)alloc(csinfo_size * sizeof(char *)); | |
| 7 | 2438 if (dblist == NULL || pplist == NULL || fllist == NULL) |
| 2439 { | |
| 2440 vim_free(dblist); | |
| 2441 vim_free(pplist); | |
| 2442 vim_free(fllist); | |
| 2443 return CSCOPE_FAILURE; | |
| 2444 } | |
| 2445 | |
| 1931 | 2446 for (i = 0; i < csinfo_size; i++) |
| 7 | 2447 { |
| 2448 dblist[i] = csinfo[i].fname; | |
| 2449 pplist[i] = csinfo[i].ppath; | |
| 2450 fllist[i] = csinfo[i].flags; | |
| 2451 if (csinfo[i].fname != NULL) | |
| 2452 cs_release_csp(i, FALSE); | |
| 2453 } | |
| 2454 | |
| 2455 /* rebuild the cscope connection list */ | |
| 1931 | 2456 for (i = 0; i < csinfo_size; i++) |
| 7 | 2457 { |
| 2458 if (dblist[i] != NULL) | |
| 2459 { | |
| 2460 cs_add_common(dblist[i], pplist[i], fllist[i]); | |
| 2461 if (p_csverbose) | |
| 2462 { | |
| 1372 | 2463 /* don't use smsg_attr() because we want to display the |
| 7 | 2464 * connection number in the same line as |
| 2465 * "Added cscope database..." | |
| 2466 */ | |
| 2467 sprintf(buf, " (#%d)", i); | |
| 2468 MSG_PUTS_ATTR(buf, hl_attr(HLF_R)); | |
| 2469 } | |
| 2470 } | |
| 2471 vim_free(dblist[i]); | |
| 2472 vim_free(pplist[i]); | |
| 2473 vim_free(fllist[i]); | |
| 2474 } | |
| 2475 vim_free(dblist); | |
| 2476 vim_free(pplist); | |
| 2477 vim_free(fllist); | |
| 2478 | |
| 2479 if (p_csverbose) | |
| 2480 MSG_ATTR(_("All cscope databases reset"), hl_attr(HLF_R) | MSG_HIST); | |
| 2481 return CSCOPE_SUCCESS; | |
| 2482 } /* cs_reset */ | |
| 2483 | |
| 2484 | |
| 2485 /* | |
| 2486 * PRIVATE: cs_resolve_file | |
| 2487 * | |
|
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2488 * Construct the full pathname to a file found in the cscope database. |
| 7 | 2489 * (Prepends ppath, if there is one and if it's not already prepended, |
| 2490 * otherwise just uses the name found.) | |
| 2491 * | |
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2492 * We need to prepend the prefix because on some cscope's (e.g., the one that |
| 7 | 2493 * ships with Solaris 2.6), the output never has the prefix prepended. |
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2494 * Contrast this with my development system (Digital Unix), which does. |
| 7 | 2495 */ |
| 2496 static char * | |
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diff
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2497 cs_resolve_file(int i, char *name) |
| 7 | 2498 { |
| 2873 | 2499 char *fullname; |
| 2500 int len; | |
| 2501 char_u *csdir = NULL; | |
| 7 | 2502 |
| 2503 /* | |
| 2873 | 2504 * Ppath is freed when we destroy the cscope connection. |
| 2505 * Fullname is freed after cs_make_vim_style_matches, after it's been | |
| 2506 * copied into the tag buffer used by Vim. | |
| 7 | 2507 */ |
| 835 | 2508 len = (int)(strlen(name) + 2); |
| 7 | 2509 if (csinfo[i].ppath != NULL) |
| 835 | 2510 len += (int)strlen(csinfo[i].ppath); |
| 2873 | 2511 else if (p_csre && csinfo[i].fname != NULL) |
| 2512 { | |
| 2513 /* If 'cscoperelative' is set and ppath is not set, use cscope.out | |
| 2514 * path in path resolution. */ | |
| 2515 csdir = alloc(MAXPATHL); | |
| 2516 if (csdir != NULL) | |
| 2517 { | |
| 2518 vim_strncpy(csdir, (char_u *)csinfo[i].fname, | |
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2519 gettail((char_u *)csinfo[i].fname) |
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2520 - (char_u *)csinfo[i].fname); |
| 2873 | 2521 len += (int)STRLEN(csdir); |
| 2522 } | |
| 2523 } | |
| 7 | 2524 |
| 2873 | 2525 /* Note/example: this won't work if the cscope output already starts |
| 7 | 2526 * "../.." and the prefix path is also "../..". if something like this |
| 2873 | 2527 * happens, you are screwed up and need to fix how you're using cscope. */ |
| 2528 if (csinfo[i].ppath != NULL | |
| 2529 && (strncmp(name, csinfo[i].ppath, strlen(csinfo[i].ppath)) != 0) | |
| 2530 && (name[0] != '/') | |
| 7 | 2531 #ifdef WIN32 |
| 2873 | 2532 && name[0] != '\\' && name[1] != ':' |
| 7 | 2533 #endif |
| 2873 | 2534 ) |
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2535 { |
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2536 if ((fullname = (char *)alloc(len)) != NULL) |
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2537 (void)sprintf(fullname, "%s/%s", csinfo[i].ppath, name); |
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2538 } |
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2539 else if (csdir != NULL && csinfo[i].fname != NULL && *csdir != NUL) |
| 2873 | 2540 { |
| 2541 /* Check for csdir to be non empty to avoid empty path concatenated to | |
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2542 * cscope output. */ |
| 2875 | 2543 fullname = (char *)concat_fnames(csdir, (char_u *)name, TRUE); |
| 2873 | 2544 } |
| 7 | 2545 else |
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2546 { |
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2547 fullname = (char *)vim_strsave((char_u *)name); |
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2548 } |
| 7 | 2549 |
| 2873 | 2550 vim_free(csdir); |
| 7 | 2551 return fullname; |
| 2873 | 2552 } |
| 7 | 2553 |
| 2554 | |
| 2555 /* | |
| 2556 * PRIVATE: cs_show | |
| 2557 * | |
| 2558 * show all cscope connections | |
| 2559 */ | |
| 2560 static int | |
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diff
changeset
|
2561 cs_show(exarg_T *eap UNUSED) |
| 7 | 2562 { |
| 2563 short i; | |
| 2564 if (cs_cnt_connections() == 0) | |
| 2565 MSG_PUTS(_("no cscope connections\n")); | |
| 2566 else | |
| 2567 { | |
| 2568 MSG_PUTS_ATTR( | |
| 2569 _(" # pid database name prepend path\n"), | |
| 2570 hl_attr(HLF_T)); | |
| 1931 | 2571 for (i = 0; i < csinfo_size; i++) |
| 7 | 2572 { |
| 2573 if (csinfo[i].fname == NULL) | |
| 2574 continue; | |
| 2575 | |
| 2576 if (csinfo[i].ppath != NULL) | |
| 2577 (void)smsg((char_u *)"%2d %-5ld %-34s %-32s", | |
| 2578 i, (long)csinfo[i].pid, csinfo[i].fname, csinfo[i].ppath); | |
| 2579 else | |
| 2580 (void)smsg((char_u *)"%2d %-5ld %-34s <none>", | |
| 2581 i, (long)csinfo[i].pid, csinfo[i].fname); | |
| 2582 } | |
| 2583 } | |
| 2584 | |
| 2585 wait_return(TRUE); | |
| 2586 return CSCOPE_SUCCESS; | |
| 2587 } /* cs_show */ | |
| 2588 | |
| 1385 | 2589 |
| 2590 /* | |
| 2591 * PUBLIC: cs_end | |
| 2592 * | |
| 2593 * Only called when VIM exits to quit any cscope sessions. | |
| 2594 */ | |
| 2595 void | |
|
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diff
changeset
|
2596 cs_end(void) |
| 1385 | 2597 { |
| 2598 int i; | |
| 2599 | |
| 1931 | 2600 for (i = 0; i < csinfo_size; i++) |
| 1385 | 2601 cs_release_csp(i, TRUE); |
| 1931 | 2602 vim_free(csinfo); |
| 2603 csinfo_size = 0; | |
| 1385 | 2604 } |
| 2605 | |
| 7 | 2606 #endif /* FEAT_CSCOPE */ |
| 2607 | |
| 2608 /* the end */ |