Mercurial > vim
annotate src/if_cscope.c @ 9185:70d3337ff173 v7.4.1876
commit https://github.com/vim/vim/commit/a0055ad3a789b8eeb0c983d8a18d4bcaeaf456b8
Author: Bram Moolenaar <Bram@vim.org>
Date: Thu Jun 2 18:37:05 2016 +0200
patch 7.4.1876
Problem: Typing "k" at the hit-enter prompt has no effect.
Solution: Don't assume recursive use of the prompt if a character was typed.
(Hirohito Higashi)
| author | Christian Brabandt <cb@256bit.org> |
|---|---|
| date | Thu, 02 Jun 2016 18:45:04 +0200 |
| parents | dc72f4a463e4 |
| children | 387cd517939f |
| 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 struct stat *); |
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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, | |
| 1706 | 73 N_("Query for a pattern"), "find c|d|e|f|g|i|s|t name", 1 }, |
| 7 | 74 { "help", cs_help, |
| 75 N_("Show this message"), "help", 0 }, | |
| 76 { "kill", cs_kill, | |
| 77 N_("Kill a connection"), "kill #", 0 }, | |
| 78 { "reset", cs_reset, | |
| 79 N_("Reinit all connections"), "reset", 0 }, | |
| 80 { "show", cs_show, | |
| 81 N_("Show connections"), "show", 0 }, | |
| 1880 | 82 { NULL, NULL, NULL, NULL, 0 } |
| 7 | 83 }; |
| 84 | |
| 85 static void | |
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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 { | |
| 129 "c", "d", "e", "f", "g", "i", "s", "t", NULL | |
| 130 }; | |
| 131 | |
| 132 /* Complete with query type of ":cscope find {query_type}". | |
| 133 * {query_type} can be letters (c, d, ... t) or numbers (0, 1, | |
| 134 * ..., 8) but only complete with letters, since numbers are | |
| 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 { |
| 523 struct stat 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 |
| 7 | 550 ret = stat(fname, &statbuf); |
| 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 { | |
| 562 struct stat statbuf2; | |
| 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); | |
| 568 ret = stat(ppath, &statbuf2); | |
| 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 | |
| 595 ret = stat(fname2, &statbuf); | |
| 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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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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diff
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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; | |
| 794 default : | |
| 795 (void)EMSG(_("E561: unknown cscope search type")); | |
| 796 cs_usage_msg(Find); | |
| 797 return NULL; | |
| 798 } | |
| 799 | |
| 1847 | 800 /* Skip white space before the patter, except for text and pattern search, |
| 801 * they may want to use the leading white space. */ | |
| 802 pat = pattern; | |
| 803 if (search != 4 && search != 6) | |
| 804 while vim_iswhite(*pat) | |
| 805 ++pat; | |
| 806 | |
| 807 if ((cmd = (char *)alloc((unsigned)(strlen(pat) + 2))) == NULL) | |
| 7 | 808 return NULL; |
| 809 | |
| 1847 | 810 (void)sprintf(cmd, "%d%s", search, pat); |
| 7 | 811 |
| 812 return cmd; | |
| 813 } /* cs_create_cmd */ | |
| 814 | |
| 815 | |
| 816 /* | |
| 817 * PRIVATE: cs_create_connection | |
| 818 * | |
| 819 * This piece of code was taken/adapted from nvi. do we need to add | |
| 820 * the BSD license notice? | |
| 821 */ | |
| 822 static int | |
|
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|
823 cs_create_connection(int i) |
| 7 | 824 { |
| 1385 | 825 #ifdef UNIX |
| 826 int to_cs[2], from_cs[2]; | |
| 827 #endif | |
| 828 int len; | |
| 829 char *prog, *cmd, *ppath = NULL; | |
| 830 #ifdef WIN32 | |
| 831 int fd; | |
| 832 SECURITY_ATTRIBUTES sa; | |
| 833 PROCESS_INFORMATION pi; | |
| 834 STARTUPINFO si; | |
| 835 BOOL pipe_stdin = FALSE, pipe_stdout = FALSE; | |
| 836 HANDLE stdin_rd, stdout_rd; | |
| 837 HANDLE stdout_wr, stdin_wr; | |
| 838 BOOL created; | |
| 1393 | 839 # ifdef __BORLANDC__ |
| 840 # define OPEN_OH_ARGTYPE long | |
| 841 # else | |
|
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842 # if (_MSC_VER >= 1300) || defined(__MINGW32__) |
| 1393 | 843 # define OPEN_OH_ARGTYPE intptr_t |
| 844 # else | |
| 845 # define OPEN_OH_ARGTYPE long | |
| 846 # endif | |
| 847 # endif | |
| 7 | 848 #endif |
| 849 | |
| 1385 | 850 #if defined(UNIX) |
| 7 | 851 /* |
| 852 * Cscope reads from to_cs[0] and writes to from_cs[1]; vi reads from | |
| 853 * from_cs[0] and writes to to_cs[1]. | |
| 854 */ | |
| 855 to_cs[0] = to_cs[1] = from_cs[0] = from_cs[1] = -1; | |
| 856 if (pipe(to_cs) < 0 || pipe(from_cs) < 0) | |
| 857 { | |
| 858 (void)EMSG(_("E566: Could not create cscope pipes")); | |
| 859 err_closing: | |
| 860 if (to_cs[0] != -1) | |
| 861 (void)close(to_cs[0]); | |
| 862 if (to_cs[1] != -1) | |
| 863 (void)close(to_cs[1]); | |
| 864 if (from_cs[0] != -1) | |
| 865 (void)close(from_cs[0]); | |
| 866 if (from_cs[1] != -1) | |
| 867 (void)close(from_cs[1]); | |
| 868 return CSCOPE_FAILURE; | |
| 869 } | |
| 870 | |
| 871 switch (csinfo[i].pid = fork()) | |
| 872 { | |
| 873 case -1: | |
| 874 (void)EMSG(_("E622: Could not fork for cscope")); | |
| 875 goto err_closing; | |
| 876 case 0: /* child: run cscope. */ | |
| 877 if (dup2(to_cs[0], STDIN_FILENO) == -1) | |
| 878 PERROR("cs_create_connection 1"); | |
| 879 if (dup2(from_cs[1], STDOUT_FILENO) == -1) | |
| 880 PERROR("cs_create_connection 2"); | |
| 881 if (dup2(from_cs[1], STDERR_FILENO) == -1) | |
| 882 PERROR("cs_create_connection 3"); | |
| 883 | |
| 884 /* close unused */ | |
| 885 (void)close(to_cs[1]); | |
| 886 (void)close(from_cs[0]); | |
| 887 #else | |
| 1385 | 888 /* WIN32 */ |
| 889 /* Create pipes to communicate with cscope */ | |
| 890 sa.nLength = sizeof(SECURITY_ATTRIBUTES); | |
| 891 sa.bInheritHandle = TRUE; | |
| 892 sa.lpSecurityDescriptor = NULL; | |
| 893 | |
| 894 if (!(pipe_stdin = CreatePipe(&stdin_rd, &stdin_wr, &sa, 0)) | |
| 895 || !(pipe_stdout = CreatePipe(&stdout_rd, &stdout_wr, &sa, 0))) | |
| 896 { | |
| 897 (void)EMSG(_("E566: Could not create cscope pipes")); | |
| 898 err_closing: | |
| 899 if (pipe_stdin) | |
| 900 { | |
| 901 CloseHandle(stdin_rd); | |
| 902 CloseHandle(stdin_wr); | |
| 903 } | |
| 904 if (pipe_stdout) | |
| 905 { | |
| 906 CloseHandle(stdout_rd); | |
| 907 CloseHandle(stdout_wr); | |
| 908 } | |
| 909 return CSCOPE_FAILURE; | |
| 910 } | |
| 7 | 911 #endif |
| 912 /* expand the cscope exec for env var's */ | |
| 913 if ((prog = (char *)alloc(MAXPATHL + 1)) == NULL) | |
| 914 { | |
| 915 #ifdef UNIX | |
| 916 return CSCOPE_FAILURE; | |
| 917 #else | |
| 1385 | 918 /* WIN32 */ |
| 7 | 919 goto err_closing; |
| 920 #endif | |
| 921 } | |
| 922 expand_env((char_u *)p_csprg, (char_u *)prog, MAXPATHL); | |
| 923 | |
| 924 /* alloc space to hold the cscope command */ | |
| 835 | 925 len = (int)(strlen(prog) + strlen(csinfo[i].fname) + 32); |
| 7 | 926 if (csinfo[i].ppath) |
| 927 { | |
| 928 /* expand the prepend path for env var's */ | |
| 929 if ((ppath = (char *)alloc(MAXPATHL + 1)) == NULL) | |
| 930 { | |
| 931 vim_free(prog); | |
| 932 #ifdef UNIX | |
| 933 return CSCOPE_FAILURE; | |
| 934 #else | |
| 1385 | 935 /* WIN32 */ |
| 7 | 936 goto err_closing; |
| 937 #endif | |
| 938 } | |
| 939 expand_env((char_u *)csinfo[i].ppath, (char_u *)ppath, MAXPATHL); | |
| 940 | |
| 835 | 941 len += (int)strlen(ppath); |
| 7 | 942 } |
| 943 | |
| 944 if (csinfo[i].flags) | |
| 835 | 945 len += (int)strlen(csinfo[i].flags); |
| 7 | 946 |
| 947 if ((cmd = (char *)alloc(len)) == NULL) | |
| 948 { | |
| 949 vim_free(prog); | |
| 950 vim_free(ppath); | |
| 951 #ifdef UNIX | |
| 952 return CSCOPE_FAILURE; | |
| 953 #else | |
| 1385 | 954 /* WIN32 */ |
| 7 | 955 goto err_closing; |
| 956 #endif | |
| 957 } | |
| 958 | |
| 959 /* run the cscope command; is there execl for non-unix systems? */ | |
| 960 #if defined(UNIX) | |
| 961 (void)sprintf(cmd, "exec %s -dl -f %s", prog, csinfo[i].fname); | |
| 962 #else | |
| 1385 | 963 /* WIN32 */ |
| 7 | 964 (void)sprintf(cmd, "%s -dl -f %s", prog, csinfo[i].fname); |
| 965 #endif | |
| 966 if (csinfo[i].ppath != NULL) | |
| 967 { | |
| 968 (void)strcat(cmd, " -P"); | |
| 969 (void)strcat(cmd, csinfo[i].ppath); | |
| 970 } | |
| 971 if (csinfo[i].flags != NULL) | |
| 972 { | |
| 973 (void)strcat(cmd, " "); | |
| 974 (void)strcat(cmd, csinfo[i].flags); | |
| 975 } | |
| 976 # ifdef UNIX | |
| 977 /* on Win32 we still need prog */ | |
| 978 vim_free(prog); | |
| 979 # endif | |
| 980 vim_free(ppath); | |
| 981 | |
| 982 #if defined(UNIX) | |
|
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983 # if defined(HAVE_SETSID) || defined(HAVE_SETPGID) |
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984 /* Change our process group to avoid cscope receiving SIGWINCH. */ |
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985 # if defined(HAVE_SETSID) |
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986 (void)setsid(); |
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987 # else |
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988 if (setpgid(0, 0) == -1) |
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989 PERROR(_("cs_create_connection setpgid failed")); |
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990 # endif |
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991 # endif |
| 1878 | 992 if (execl("/bin/sh", "sh", "-c", cmd, (char *)NULL) == -1) |
| 7 | 993 PERROR(_("cs_create_connection exec failed")); |
| 994 | |
| 995 exit(127); | |
| 996 /* NOTREACHED */ | |
| 997 default: /* parent. */ | |
| 998 /* | |
| 999 * Save the file descriptors for later duplication, and | |
| 1000 * reopen as streams. | |
| 1001 */ | |
| 1002 if ((csinfo[i].to_fp = fdopen(to_cs[1], "w")) == NULL) | |
| 1003 PERROR(_("cs_create_connection: fdopen for to_fp failed")); | |
| 1004 if ((csinfo[i].fr_fp = fdopen(from_cs[0], "r")) == NULL) | |
| 1005 PERROR(_("cs_create_connection: fdopen for fr_fp failed")); | |
| 1006 | |
| 1007 /* close unused */ | |
| 1008 (void)close(to_cs[0]); | |
| 1009 (void)close(from_cs[1]); | |
| 1010 | |
| 1011 break; | |
| 1012 } | |
| 1385 | 1013 |
| 7 | 1014 #else |
| 1385 | 1015 /* WIN32 */ |
| 1016 /* Create a new process to run cscope and use pipes to talk with it */ | |
| 1017 GetStartupInfo(&si); | |
| 1018 si.dwFlags = STARTF_USESTDHANDLES | STARTF_USESHOWWINDOW; | |
| 1019 si.wShowWindow = SW_HIDE; /* Hide child application window */ | |
| 1020 si.hStdOutput = stdout_wr; | |
| 1021 si.hStdError = stdout_wr; | |
| 1022 si.hStdInput = stdin_rd; | |
| 1023 created = CreateProcess(NULL, cmd, NULL, NULL, TRUE, CREATE_NEW_CONSOLE, | |
| 1024 NULL, NULL, &si, &pi); | |
| 1025 vim_free(prog); | |
| 1026 vim_free(cmd); | |
| 1027 | |
| 1028 if (!created) | |
| 1029 { | |
| 1030 PERROR(_("cs_create_connection exec failed")); | |
| 1031 (void)EMSG(_("E623: Could not spawn cscope process")); | |
| 1032 goto err_closing; | |
| 1033 } | |
| 1034 /* else */ | |
| 1035 csinfo[i].pid = pi.dwProcessId; | |
| 1036 csinfo[i].hProc = pi.hProcess; | |
| 1037 CloseHandle(pi.hThread); | |
| 1038 | |
| 1039 /* TODO - tidy up after failure to create files on pipe handles. */ | |
| 1393 | 1040 if (((fd = _open_osfhandle((OPEN_OH_ARGTYPE)stdin_wr, |
| 1041 _O_TEXT|_O_APPEND)) < 0) | |
| 1385 | 1042 || ((csinfo[i].to_fp = _fdopen(fd, "w")) == NULL)) |
| 1043 PERROR(_("cs_create_connection: fdopen for to_fp failed")); | |
| 1393 | 1044 if (((fd = _open_osfhandle((OPEN_OH_ARGTYPE)stdout_rd, |
| 1045 _O_TEXT|_O_RDONLY)) < 0) | |
| 1385 | 1046 || ((csinfo[i].fr_fp = _fdopen(fd, "r")) == NULL)) |
| 1047 PERROR(_("cs_create_connection: fdopen for fr_fp failed")); | |
| 1048 | |
| 1049 /* Close handles for file descriptors inherited by the cscope process */ | |
| 1050 CloseHandle(stdin_rd); | |
| 1051 CloseHandle(stdout_wr); | |
| 1052 | |
| 1053 #endif /* !UNIX */ | |
| 1054 | |
| 7 | 1055 return CSCOPE_SUCCESS; |
| 1056 } /* cs_create_connection */ | |
| 1057 | |
| 1058 | |
| 1059 /* | |
| 1060 * PRIVATE: cs_find | |
| 1061 * | |
| 7009 | 1062 * Query cscope using command line interface. Parse the output and use tselect |
| 1063 * to allow choices. Like Nvi, creates a pipe to send to/from query/cscope. | |
| 7 | 1064 * |
| 1065 * returns TRUE if we jump to a tag or abort, FALSE if not. | |
| 1066 */ | |
| 1067 static int | |
|
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1068 cs_find(exarg_T *eap) |
| 7 | 1069 { |
| 1070 char *opt, *pat; | |
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1071 int i; |
| 7 | 1072 |
| 1073 if (cs_check_for_connections() == FALSE) | |
| 1074 { | |
| 1075 (void)EMSG(_("E567: no cscope connections")); | |
| 1076 return FALSE; | |
| 1077 } | |
| 1078 | |
| 1079 if ((opt = strtok((char *)NULL, (const char *)" ")) == NULL) | |
| 1080 { | |
| 1081 cs_usage_msg(Find); | |
| 1082 return FALSE; | |
| 1083 } | |
| 1084 | |
| 1085 pat = opt + strlen(opt) + 1; | |
| 1372 | 1086 if (pat >= (char *)eap->arg + eap_arg_len) |
| 7 | 1087 { |
| 1088 cs_usage_msg(Find); | |
| 1089 return FALSE; | |
| 1090 } | |
| 1091 | |
|
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1092 /* |
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1093 * Let's replace the NULs written by strtok() with spaces - we need the |
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1094 * spaces to correctly display the quickfix/location list window's title. |
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1095 */ |
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1096 for (i = 0; i < eap_arg_len; ++i) |
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1097 if (NUL == eap->arg[i]) |
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1098 eap->arg[i] = ' '; |
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1099 |
| 665 | 1100 return cs_find_common(opt, pat, eap->forceit, TRUE, |
|
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1101 eap->cmdidx == CMD_lcscope, *eap->cmdlinep); |
| 7 | 1102 } /* cs_find */ |
| 1103 | |
| 1104 | |
| 1105 /* | |
| 1106 * PRIVATE: cs_find_common | |
| 1107 * | |
| 1108 * common code for cscope find, shared by cs_find() and do_cstag() | |
| 1109 */ | |
| 1110 static int | |
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1111 cs_find_common( |
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1112 char *opt, |
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1113 char *pat, |
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1114 int forceit, |
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1115 int verbose, |
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1116 int use_ll UNUSED, |
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1117 char_u *cmdline UNUSED) |
| 7 | 1118 { |
| 1119 int i; | |
| 1120 char *cmd; | |
| 1931 | 1121 int *nummatches; |
| 1122 int totmatches; | |
| 7 | 1123 #ifdef FEAT_QUICKFIX |
| 1124 char cmdletter; | |
| 1125 char *qfpos; | |
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1126 |
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1127 /* get cmd letter */ |
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|
1128 switch (opt[0]) |
|
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1129 { |
|
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1130 case '0' : |
|
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1131 cmdletter = 's'; |
|
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|
1132 break; |
|
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1133 case '1' : |
|
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|
1134 cmdletter = 'g'; |
|
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|
1135 break; |
|
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|
1136 case '2' : |
|
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|
1137 cmdletter = 'd'; |
|
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|
1138 break; |
|
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|
1139 case '3' : |
|
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|
1140 cmdletter = 'c'; |
|
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|
1141 break; |
|
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|
1142 case '4' : |
|
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|
1143 cmdletter = 't'; |
|
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|
1144 break; |
|
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|
1145 case '6' : |
|
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|
1146 cmdletter = 'e'; |
|
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|
1147 break; |
|
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|
1148 case '7' : |
|
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1149 cmdletter = 'f'; |
|
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|
1150 break; |
|
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|
1151 case '8' : |
|
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|
1152 cmdletter = 'i'; |
|
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|
1153 break; |
|
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|
1154 default : |
|
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|
1155 cmdletter = opt[0]; |
|
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|
1156 } |
|
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|
1157 |
|
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1158 qfpos = (char *)vim_strchr(p_csqf, cmdletter); |
|
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|
1159 if (qfpos != NULL) |
|
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|
1160 { |
|
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|
1161 qfpos++; |
|
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|
1162 /* next symbol must be + or - */ |
|
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1163 if (strchr(CSQF_FLAGS, *qfpos) == NULL) |
|
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|
1164 { |
|
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1165 char *nf = _("E469: invalid cscopequickfix flag %c for %c"); |
|
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1166 char *buf = (char *)alloc((unsigned)strlen(nf)); |
|
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|
1167 |
|
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|
1168 /* strlen will be enough because we use chars */ |
|
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1169 if (buf != NULL) |
|
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|
1170 { |
|
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1171 sprintf(buf, nf, *qfpos, *(qfpos-1)); |
|
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|
1172 (void)EMSG(buf); |
|
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|
1173 vim_free(buf); |
|
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1174 } |
|
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|
1175 return FALSE; |
|
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|
1176 } |
|
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|
1177 |
|
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|
1178 # ifdef FEAT_AUTOCMD |
|
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|
1179 if (*qfpos != '0') |
|
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|
1180 { |
|
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1181 apply_autocmds(EVENT_QUICKFIXCMDPRE, (char_u *)"cscope", |
|
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|
1182 curbuf->b_fname, TRUE, curbuf); |
|
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|
1183 # ifdef FEAT_EVAL |
|
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1184 if (did_throw || force_abort) |
|
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|
1185 return FALSE; |
|
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|
1186 # endif |
|
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|
1187 } |
|
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|
1188 # endif |
|
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|
1189 } |
| 7 | 1190 #endif |
| 1191 | |
| 1192 /* create the actual command to send to cscope */ | |
| 1193 cmd = cs_create_cmd(opt, pat); | |
| 1194 if (cmd == NULL) | |
| 1195 return FALSE; | |
| 1196 | |
| 1931 | 1197 nummatches = (int *)alloc(sizeof(int)*csinfo_size); |
| 1198 if (nummatches == NULL) | |
| 7009 | 1199 { |
| 1200 vim_free(cmd); | |
| 1931 | 1201 return FALSE; |
| 7009 | 1202 } |
| 1931 | 1203 |
| 4352 | 1204 /* Send query to all open connections, then count the total number |
| 1205 * of matches so we can alloc all in one swell foop. */ | |
| 1931 | 1206 for (i = 0; i < csinfo_size; i++) |
| 7 | 1207 nummatches[i] = 0; |
| 1208 totmatches = 0; | |
| 1931 | 1209 for (i = 0; i < csinfo_size; i++) |
| 7 | 1210 { |
| 1040 | 1211 if (csinfo[i].fname == NULL || csinfo[i].to_fp == NULL) |
| 7 | 1212 continue; |
| 1213 | |
| 1214 /* send cmd to cscope */ | |
| 1215 (void)fprintf(csinfo[i].to_fp, "%s\n", cmd); | |
| 1216 (void)fflush(csinfo[i].to_fp); | |
| 1217 | |
| 1218 nummatches[i] = cs_cnt_matches(i); | |
| 1219 | |
| 1220 if (nummatches[i] > -1) | |
| 1221 totmatches += nummatches[i]; | |
| 1222 | |
| 1223 if (nummatches[i] == 0) | |
| 1224 (void)cs_read_prompt(i); | |
| 1225 } | |
| 1226 vim_free(cmd); | |
| 1227 | |
| 1228 if (totmatches == 0) | |
| 1229 { | |
| 1230 char *nf = _("E259: no matches found for cscope query %s of %s"); | |
| 1231 char *buf; | |
| 1232 | |
| 1233 if (!verbose) | |
| 1931 | 1234 { |
| 1235 vim_free(nummatches); | |
| 7 | 1236 return FALSE; |
| 1931 | 1237 } |
| 7 | 1238 |
| 835 | 1239 buf = (char *)alloc((unsigned)(strlen(opt) + strlen(pat) + strlen(nf))); |
| 7 | 1240 if (buf == NULL) |
| 1241 (void)EMSG(nf); | |
| 1242 else | |
| 1243 { | |
| 1244 sprintf(buf, nf, opt, pat); | |
| 1245 (void)EMSG(buf); | |
| 1246 vim_free(buf); | |
| 1247 } | |
| 1931 | 1248 vim_free(nummatches); |
| 7 | 1249 return FALSE; |
| 1250 } | |
| 1251 | |
| 1252 #ifdef FEAT_QUICKFIX | |
| 36 | 1253 if (qfpos != NULL && *qfpos != '0' && totmatches > 0) |
| 7 | 1254 { |
| 1255 /* fill error list */ | |
| 1027 | 1256 FILE *f; |
| 6721 | 1257 char_u *tmp = vim_tempname('c', TRUE); |
| 665 | 1258 qf_info_T *qi = NULL; |
| 1259 win_T *wp = NULL; | |
| 7 | 1260 |
| 531 | 1261 f = mch_fopen((char *)tmp, "w"); |
| 1027 | 1262 if (f == NULL) |
| 1263 EMSG2(_(e_notopen), tmp); | |
| 1264 else | |
| 7 | 1265 { |
| 1027 | 1266 cs_file_results(f, nummatches); |
| 1267 fclose(f); | |
| 1268 if (use_ll) /* Use location list */ | |
| 1269 wp = curwin; | |
| 1270 /* '-' starts a new error list */ | |
| 1271 if (qf_init(wp, tmp, (char_u *)"%f%*\\t%l%*\\t%m", | |
|
2411
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diff
changeset
|
1272 *qfpos == '-', cmdline) > 0) |
| 1027 | 1273 { |
| 7 | 1274 # ifdef FEAT_WINDOWS |
| 1027 | 1275 if (postponed_split != 0) |
| 1276 { | |
| 7009 | 1277 (void)win_split(postponed_split > 0 ? postponed_split : 0, |
| 7 | 1278 postponed_split_flags); |
| 2583 | 1279 RESET_BINDING(curwin); |
| 1027 | 1280 postponed_split = 0; |
| 1281 } | |
| 7 | 1282 # endif |
|
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|
1283 |
|
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|
1284 # ifdef FEAT_AUTOCMD |
|
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|
1285 apply_autocmds(EVENT_QUICKFIXCMDPOST, (char_u *)"cscope", |
|
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|
1286 curbuf->b_fname, TRUE, curbuf); |
|
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|
1287 # endif |
| 1027 | 1288 if (use_ll) |
| 1289 /* | |
| 1290 * In the location list window, use the displayed location | |
| 1291 * list. Otherwise, use the location list for the window. | |
| 1292 */ | |
| 1293 qi = (bt_quickfix(wp->w_buffer) && wp->w_llist_ref != NULL) | |
| 1294 ? wp->w_llist_ref : wp->w_llist; | |
| 1295 qf_jump(qi, 0, 0, forceit); | |
| 1296 } | |
| 7 | 1297 } |
| 1298 mch_remove(tmp); | |
| 1299 vim_free(tmp); | |
| 1931 | 1300 vim_free(nummatches); |
| 7 | 1301 return TRUE; |
| 1302 } | |
| 1303 else | |
| 1304 #endif /* FEAT_QUICKFIX */ | |
| 1305 { | |
| 944 | 1306 char **matches = NULL, **contexts = NULL; |
| 1307 int matched = 0; | |
| 1308 | |
| 7 | 1309 /* read output */ |
| 1310 cs_fill_results((char *)pat, totmatches, nummatches, &matches, | |
| 1311 &contexts, &matched); | |
| 1931 | 1312 vim_free(nummatches); |
| 7 | 1313 if (matches == NULL) |
| 1314 return FALSE; | |
| 1315 | |
| 293 | 1316 (void)cs_manage_matches(matches, contexts, matched, Store); |
| 7 | 1317 |
| 1318 return do_tag((char_u *)pat, DT_CSCOPE, 0, forceit, verbose); | |
| 1319 } | |
| 1320 | |
| 1321 } /* cs_find_common */ | |
| 1322 | |
| 1323 /* | |
| 1324 * PRIVATE: cs_help | |
| 1325 * | |
| 1326 * print help | |
| 1327 */ | |
| 1328 static int | |
|
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diff
changeset
|
1329 cs_help(exarg_T *eap UNUSED) |
| 7 | 1330 { |
| 1331 cscmd_T *cmdp = cs_cmds; | |
| 1332 | |
| 1333 (void)MSG_PUTS(_("cscope commands:\n")); | |
| 1334 while (cmdp->name != NULL) | |
| 1335 { | |
| 1793 | 1336 char *help = _(cmdp->help); |
| 1337 int space_cnt = 30 - vim_strsize((char_u *)help); | |
| 1338 | |
| 1339 /* Use %*s rather than %30s to ensure proper alignment in utf-8 */ | |
| 1340 if (space_cnt < 0) | |
| 1341 space_cnt = 0; | |
| 1342 (void)smsg((char_u *)_("%-5s: %s%*s (Usage: %s)"), | |
| 1343 cmdp->name, | |
| 1344 help, space_cnt, " ", | |
| 1345 cmdp->usage); | |
| 7 | 1346 if (strcmp(cmdp->name, "find") == 0) |
| 1706 | 1347 MSG_PUTS(_("\n" |
| 1348 " c: Find functions calling this function\n" | |
| 1349 " d: Find functions called by this function\n" | |
| 1350 " e: Find this egrep pattern\n" | |
| 1351 " f: Find this file\n" | |
| 1352 " g: Find this definition\n" | |
| 1353 " i: Find files #including this file\n" | |
| 1354 " s: Find this C symbol\n" | |
| 2671 | 1355 " t: Find this text string\n")); |
| 1706 | 1356 |
| 7 | 1357 cmdp++; |
| 1358 } | |
| 1359 | |
| 1360 wait_return(TRUE); | |
| 1361 return 0; | |
| 1362 } /* cs_help */ | |
| 1363 | |
| 1364 | |
| 1365 static void | |
|
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diff
changeset
|
1366 clear_csinfo(int i) |
| 7 | 1367 { |
| 1368 csinfo[i].fname = NULL; | |
| 1369 csinfo[i].ppath = NULL; | |
| 1370 csinfo[i].flags = NULL; | |
| 1371 #if defined(UNIX) | |
| 1372 csinfo[i].st_dev = (dev_t)0; | |
| 1373 csinfo[i].st_ino = (ino_t)0; | |
| 1374 #else | |
| 1375 csinfo[i].nVolume = 0; | |
| 1376 csinfo[i].nIndexHigh = 0; | |
| 1377 csinfo[i].nIndexLow = 0; | |
| 1378 #endif | |
| 1621 | 1379 csinfo[i].pid = 0; |
| 7 | 1380 csinfo[i].fr_fp = NULL; |
| 1381 csinfo[i].to_fp = NULL; | |
| 301 | 1382 #if defined(WIN32) |
| 1383 csinfo[i].hProc = NULL; | |
| 1384 #endif | |
| 7 | 1385 } |
| 1386 | |
| 1387 #ifndef UNIX | |
|
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diff
changeset
|
1388 static char *GetWin32Error(void); |
| 7 | 1389 |
| 1390 static char * | |
|
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changeset
|
1391 GetWin32Error(void) |
| 7 | 1392 { |
| 1393 char *msg = NULL; | |
| 1394 FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER|FORMAT_MESSAGE_FROM_SYSTEM, | |
| 1395 NULL, GetLastError(), 0, (LPSTR)&msg, 0, NULL); | |
| 1396 if (msg != NULL) | |
| 1397 { | |
| 1398 /* remove trailing \r\n */ | |
| 1399 char *pcrlf = strstr(msg, "\r\n"); | |
| 1400 if (pcrlf != NULL) | |
| 1401 *pcrlf = '\0'; | |
| 1402 } | |
| 1403 return msg; | |
| 1404 } | |
| 1405 #endif | |
| 323 | 1406 |
| 7 | 1407 /* |
| 1408 * PRIVATE: cs_insert_filelist | |
| 1409 * | |
| 1410 * insert a new cscope database filename into the filelist | |
| 1411 */ | |
| 1412 static int | |
|
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1413 cs_insert_filelist( |
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bcef391c101c
commit https://github.com/vim/vim/commit/68c2f638e65d914dc6e84eb7ce2624f08af525c0
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parents:
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1414 char *fname, |
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bcef391c101c
commit https://github.com/vim/vim/commit/68c2f638e65d914dc6e84eb7ce2624f08af525c0
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parents:
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1415 char *ppath, |
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bcef391c101c
commit https://github.com/vim/vim/commit/68c2f638e65d914dc6e84eb7ce2624f08af525c0
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parents:
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1416 char *flags, |
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bcef391c101c
commit https://github.com/vim/vim/commit/68c2f638e65d914dc6e84eb7ce2624f08af525c0
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parents:
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1417 struct stat *sb UNUSED) |
| 7 | 1418 { |
| 1419 short i, j; | |
| 1420 #ifndef UNIX | |
| 1421 BY_HANDLE_FILE_INFORMATION bhfi; | |
| 1422 | |
| 1423 /* On windows 9x GetFileInformationByHandle doesn't work, so skip it */ | |
| 1424 if (!mch_windows95()) | |
| 1425 { | |
|
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1426 switch (win32_fileinfo((char_u *)fname, &bhfi)) |
| 7 | 1427 { |
| 2793 | 1428 case FILEINFO_ENC_FAIL: /* enc_to_utf16() failed */ |
| 1429 case FILEINFO_READ_FAIL: /* CreateFile() failed */ | |
| 7 | 1430 if (p_csverbose) |
| 1431 { | |
| 1432 char *cant_msg = _("E625: cannot open cscope database: %s"); | |
| 1433 char *winmsg = GetWin32Error(); | |
| 1434 | |
| 1435 if (winmsg != NULL) | |
| 1436 { | |
| 1437 (void)EMSG2(cant_msg, winmsg); | |
| 1438 LocalFree(winmsg); | |
| 1439 } | |
| 1440 else | |
| 1441 /* subst filename if can't get error text */ | |
| 1442 (void)EMSG2(cant_msg, fname); | |
| 1443 } | |
| 1444 return -1; | |
| 2793 | 1445 |
| 1446 case FILEINFO_INFO_FAIL: /* GetFileInformationByHandle() failed */ | |
| 7 | 1447 if (p_csverbose) |
| 1448 (void)EMSG(_("E626: cannot get cscope database information")); | |
| 1449 return -1; | |
| 1450 } | |
| 1451 } | |
| 1452 #endif | |
| 1453 | |
| 1454 i = -1; /* can be set to the index of an empty item in csinfo */ | |
| 1931 | 1455 for (j = 0; j < csinfo_size; j++) |
| 7 | 1456 { |
| 1457 if (csinfo[j].fname != NULL | |
| 1458 #if defined(UNIX) | |
| 1459 && csinfo[j].st_dev == sb->st_dev && csinfo[j].st_ino == sb->st_ino | |
| 1460 #else | |
| 1461 /* compare pathnames first */ | |
|
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1462 && ((fullpathcmp((char_u *)csinfo[j].fname, |
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commit https://github.com/vim/vim/commit/6aa2cd4be287f35f95f35c2cec6d5a24f53c4d3c
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1463 (char_u *)fname, FALSE) & FPC_SAME) |
| 1372 | 1464 /* if not Windows 9x, test index file attributes too */ |
| 7 | 1465 || (!mch_windows95() |
| 1466 && csinfo[j].nVolume == bhfi.dwVolumeSerialNumber | |
| 1467 && csinfo[j].nIndexHigh == bhfi.nFileIndexHigh | |
| 1468 && csinfo[j].nIndexLow == bhfi.nFileIndexLow)) | |
| 1469 #endif | |
| 1470 ) | |
| 1471 { | |
| 1472 if (p_csverbose) | |
| 1473 (void)EMSG(_("E568: duplicate cscope database not added")); | |
| 1474 return -1; | |
| 1475 } | |
| 1476 | |
| 1477 if (csinfo[j].fname == NULL && i == -1) | |
| 1478 i = j; /* remember first empty entry */ | |
| 1479 } | |
| 1480 | |
| 1481 if (i == -1) | |
| 1482 { | |
| 1931 | 1483 i = csinfo_size; |
| 1484 if (csinfo_size == 0) | |
| 1485 { | |
| 1486 /* First time allocation: allocate only 1 connection. It should | |
| 1487 * be enough for most users. If more is needed, csinfo will be | |
| 1488 * reallocated. */ | |
| 1489 csinfo_size = 1; | |
| 1490 csinfo = (csinfo_T *)alloc_clear(sizeof(csinfo_T)); | |
| 1491 } | |
| 1492 else | |
| 1493 { | |
| 6596 | 1494 csinfo_T *t_csinfo = csinfo; |
| 1495 | |
| 1931 | 1496 /* Reallocate space for more connections. */ |
| 1497 csinfo_size *= 2; | |
| 1498 csinfo = vim_realloc(csinfo, sizeof(csinfo_T)*csinfo_size); | |
| 6596 | 1499 if (csinfo == NULL) |
| 1500 { | |
| 1501 vim_free(t_csinfo); | |
| 1502 csinfo_size = 0; | |
| 1503 } | |
| 1931 | 1504 } |
| 1505 if (csinfo == NULL) | |
| 1506 return -1; | |
| 1507 for (j = csinfo_size/2; j < csinfo_size; j++) | |
| 1508 clear_csinfo(j); | |
| 7 | 1509 } |
| 1510 | |
| 835 | 1511 if ((csinfo[i].fname = (char *)alloc((unsigned)strlen(fname)+1)) == NULL) |
| 7 | 1512 return -1; |
| 1513 | |
| 1514 (void)strcpy(csinfo[i].fname, (const char *)fname); | |
| 1515 | |
| 1516 if (ppath != NULL) | |
| 1517 { | |
| 835 | 1518 if ((csinfo[i].ppath = (char *)alloc((unsigned)strlen(ppath) + 1)) == NULL) |
| 7 | 1519 { |
| 1520 vim_free(csinfo[i].fname); | |
| 1521 csinfo[i].fname = NULL; | |
| 1522 return -1; | |
| 1523 } | |
| 1524 (void)strcpy(csinfo[i].ppath, (const char *)ppath); | |
| 1525 } else | |
| 1526 csinfo[i].ppath = NULL; | |
| 1527 | |
| 1528 if (flags != NULL) | |
| 1529 { | |
| 835 | 1530 if ((csinfo[i].flags = (char *)alloc((unsigned)strlen(flags) + 1)) == NULL) |
| 7 | 1531 { |
| 1532 vim_free(csinfo[i].fname); | |
| 1533 vim_free(csinfo[i].ppath); | |
| 1534 csinfo[i].fname = NULL; | |
| 1535 csinfo[i].ppath = NULL; | |
| 1536 return -1; | |
| 1537 } | |
| 1538 (void)strcpy(csinfo[i].flags, (const char *)flags); | |
| 1539 } else | |
| 1540 csinfo[i].flags = NULL; | |
| 1541 | |
| 1542 #if defined(UNIX) | |
| 1543 csinfo[i].st_dev = sb->st_dev; | |
| 1544 csinfo[i].st_ino = sb->st_ino; | |
| 1545 | |
| 1546 #else | |
| 1547 csinfo[i].nVolume = bhfi.dwVolumeSerialNumber; | |
| 1548 csinfo[i].nIndexLow = bhfi.nFileIndexLow; | |
| 1549 csinfo[i].nIndexHigh = bhfi.nFileIndexHigh; | |
| 1550 #endif | |
| 1551 return i; | |
| 1552 } /* cs_insert_filelist */ | |
| 1553 | |
| 1554 | |
| 1555 /* | |
| 1556 * PRIVATE: cs_lookup_cmd | |
| 1557 * | |
| 1558 * find cscope command in command table | |
| 1559 */ | |
| 1560 static cscmd_T * | |
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1561 cs_lookup_cmd(exarg_T *eap) |
| 7 | 1562 { |
| 1563 cscmd_T *cmdp; | |
| 1564 char *stok; | |
| 1565 size_t len; | |
| 1566 | |
| 1567 if (eap->arg == NULL) | |
| 1568 return NULL; | |
| 1569 | |
| 1372 | 1570 /* Store length of eap->arg before it gets modified by strtok(). */ |
| 1570 | 1571 eap_arg_len = (int)STRLEN(eap->arg); |
| 1372 | 1572 |
| 7 | 1573 if ((stok = strtok((char *)(eap->arg), (const char *)" ")) == NULL) |
| 1574 return NULL; | |
| 1575 | |
| 1576 len = strlen(stok); | |
| 1577 for (cmdp = cs_cmds; cmdp->name != NULL; ++cmdp) | |
| 1578 { | |
| 1579 if (strncmp((const char *)(stok), cmdp->name, len) == 0) | |
| 1580 return (cmdp); | |
| 1581 } | |
| 1582 return NULL; | |
| 1583 } /* cs_lookup_cmd */ | |
| 1584 | |
| 1585 | |
| 1586 /* | |
| 1587 * PRIVATE: cs_kill | |
| 1588 * | |
| 1589 * nuke em | |
| 1590 */ | |
| 1591 static int | |
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1592 cs_kill(exarg_T *eap UNUSED) |
| 7 | 1593 { |
| 1594 char *stok; | |
| 1595 short i; | |
| 1596 | |
| 1597 if ((stok = strtok((char *)NULL, (const char *)" ")) == NULL) | |
| 1598 { | |
| 1599 cs_usage_msg(Kill); | |
| 1600 return CSCOPE_FAILURE; | |
| 1601 } | |
| 1602 | |
| 1603 /* only single digit positive and negative integers are allowed */ | |
| 1604 if ((strlen(stok) < 2 && VIM_ISDIGIT((int)(stok[0]))) | |
| 1605 || (strlen(stok) < 3 && stok[0] == '-' | |
| 1606 && VIM_ISDIGIT((int)(stok[1])))) | |
| 1607 i = atoi(stok); | |
| 1608 else | |
| 1609 { | |
| 1610 /* It must be part of a name. We will try to find a match | |
| 1611 * within all the names in the csinfo data structure | |
| 1612 */ | |
| 1931 | 1613 for (i = 0; i < csinfo_size; i++) |
| 7 | 1614 { |
| 1615 if (csinfo[i].fname != NULL && strstr(csinfo[i].fname, stok)) | |
| 1616 break; | |
| 1617 } | |
| 1618 } | |
| 1619 | |
| 1931 | 1620 if ((i != -1) && (i >= csinfo_size || i < -1 || csinfo[i].fname == NULL)) |
| 7 | 1621 { |
| 1622 if (p_csverbose) | |
| 1623 (void)EMSG2(_("E261: cscope connection %s not found"), stok); | |
| 1624 } | |
| 1625 else | |
| 1626 { | |
| 1627 if (i == -1) | |
| 1628 { | |
| 1931 | 1629 for (i = 0; i < csinfo_size; i++) |
| 7 | 1630 { |
| 1631 if (csinfo[i].fname) | |
| 1632 cs_kill_execute(i, csinfo[i].fname); | |
| 1633 } | |
| 1634 } | |
| 1635 else | |
| 1636 cs_kill_execute(i, stok); | |
| 1637 } | |
| 1638 | |
| 1639 return 0; | |
| 1640 } /* cs_kill */ | |
| 1641 | |
| 1642 | |
| 1643 /* | |
| 1644 * PRIVATE: cs_kill_execute | |
| 1645 * | |
| 1646 * Actually kills a specific cscope connection. | |
| 1647 */ | |
| 1648 static void | |
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1649 cs_kill_execute( |
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bcef391c101c
commit https://github.com/vim/vim/commit/68c2f638e65d914dc6e84eb7ce2624f08af525c0
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parents:
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1650 int i, /* cscope table index */ |
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bcef391c101c
commit https://github.com/vim/vim/commit/68c2f638e65d914dc6e84eb7ce2624f08af525c0
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1651 char *cname) /* cscope database name */ |
| 7 | 1652 { |
| 1653 if (p_csverbose) | |
| 1654 { | |
| 1655 msg_clr_eos(); | |
| 1656 (void)smsg_attr(hl_attr(HLF_R) | MSG_HIST, | |
| 1657 (char_u *)_("cscope connection %s closed"), cname); | |
| 1658 } | |
| 1659 cs_release_csp(i, TRUE); | |
| 1660 } | |
| 1661 | |
| 1662 | |
| 1663 /* | |
| 1664 * PRIVATE: cs_make_vim_style_matches | |
| 1665 * | |
| 2671 | 1666 * convert the cscope output into a ctags style entry (as might be found |
| 7 | 1667 * in a ctags tags file). there's one catch though: cscope doesn't tell you |
| 1668 * the type of the tag you are looking for. for example, in Darren Hiebert's | |
| 1669 * ctags (the one that comes with vim), #define's use a line number to find the | |
| 1670 * tag in a file while function definitions use a regexp search pattern. | |
| 1671 * | |
| 1672 * i'm going to always use the line number because cscope does something | |
| 1673 * quirky (and probably other things i don't know about): | |
| 1674 * | |
| 1675 * if you have "# define" in your source file, which is | |
| 1676 * perfectly legal, cscope thinks you have "#define". this | |
| 1677 * will result in a failed regexp search. :( | |
| 1678 * | |
| 1679 * besides, even if this particular case didn't happen, the search pattern | |
| 1680 * would still have to be modified to escape all the special regular expression | |
| 1681 * characters to comply with ctags formatting. | |
| 1682 */ | |
| 1683 static char * | |
|
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1684 cs_make_vim_style_matches( |
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bcef391c101c
commit https://github.com/vim/vim/commit/68c2f638e65d914dc6e84eb7ce2624f08af525c0
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parents:
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1685 char *fname, |
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bcef391c101c
commit https://github.com/vim/vim/commit/68c2f638e65d914dc6e84eb7ce2624f08af525c0
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1686 char *slno, |
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bcef391c101c
commit https://github.com/vim/vim/commit/68c2f638e65d914dc6e84eb7ce2624f08af525c0
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1687 char *search, |
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bcef391c101c
commit https://github.com/vim/vim/commit/68c2f638e65d914dc6e84eb7ce2624f08af525c0
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1688 char *tagstr) |
| 7 | 1689 { |
| 1690 /* vim style is ctags: | |
| 1691 * | |
| 1692 * <tagstr>\t<filename>\t<linenum_or_search>"\t<extra> | |
| 1693 * | |
| 1694 * but as mentioned above, we'll always use the line number and | |
| 1695 * put the search pattern (if one exists) as "extra" | |
| 1696 * | |
| 1697 * buf is used as part of vim's method of handling tags, and | |
| 1698 * (i think) vim frees it when you pop your tags and get replaced | |
| 1699 * by new ones on the tag stack. | |
| 1700 */ | |
| 1701 char *buf; | |
| 1702 int amt; | |
| 1703 | |
| 1704 if (search != NULL) | |
| 1705 { | |
| 835 | 1706 amt = (int)(strlen(fname) + strlen(slno) + strlen(tagstr) + strlen(search)+6); |
| 7 | 1707 if ((buf = (char *)alloc(amt)) == NULL) |
| 1708 return NULL; | |
| 1709 | |
| 1710 (void)sprintf(buf, "%s\t%s\t%s;\"\t%s", tagstr, fname, slno, search); | |
| 1711 } | |
| 1712 else | |
| 1713 { | |
| 835 | 1714 amt = (int)(strlen(fname) + strlen(slno) + strlen(tagstr) + 5); |
| 7 | 1715 if ((buf = (char *)alloc(amt)) == NULL) |
| 1716 return NULL; | |
| 1717 | |
| 1718 (void)sprintf(buf, "%s\t%s\t%s;\"", tagstr, fname, slno); | |
| 1719 } | |
| 1720 | |
| 1721 return buf; | |
| 1722 } /* cs_make_vim_style_matches */ | |
| 1723 | |
| 1724 | |
| 1725 /* | |
| 1726 * PRIVATE: cs_manage_matches | |
| 1727 * | |
| 1728 * this is kind of hokey, but i don't see an easy way round this.. | |
| 1729 * | |
| 1730 * Store: keep a ptr to the (malloc'd) memory of matches originally | |
| 1731 * generated from cs_find(). the matches are originally lines directly | |
| 1732 * from cscope output, but transformed to look like something out of a | |
| 1733 * ctags. see cs_make_vim_style_matches for more details. | |
| 1734 * | |
| 1735 * Get: used only from cs_fgets(), this simulates a vim_fgets() to return | |
| 1736 * the next line from the cscope output. it basically keeps track of which | |
| 1737 * lines have been "used" and returns the next one. | |
| 1738 * | |
| 1739 * Free: frees up everything and resets | |
| 1740 * | |
| 1741 * Print: prints the tags | |
| 1742 */ | |
| 1743 static char * | |
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1744 cs_manage_matches( |
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commit https://github.com/vim/vim/commit/68c2f638e65d914dc6e84eb7ce2624f08af525c0
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1745 char **matches, |
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1746 char **contexts, |
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1747 int totmatches, |
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1748 mcmd_e cmd) |
| 7 | 1749 { |
| 1750 static char **mp = NULL; | |
| 1751 static char **cp = NULL; | |
| 1752 static int cnt = -1; | |
| 1753 static int next = -1; | |
| 1754 char *p = NULL; | |
| 1755 | |
| 1756 switch (cmd) | |
| 1757 { | |
| 1758 case Store: | |
| 1759 assert(matches != NULL); | |
| 1760 assert(totmatches > 0); | |
| 1761 if (mp != NULL || cp != NULL) | |
| 1762 (void)cs_manage_matches(NULL, NULL, -1, Free); | |
| 1763 mp = matches; | |
| 1764 cp = contexts; | |
| 1765 cnt = totmatches; | |
| 1766 next = 0; | |
| 1767 break; | |
| 1768 case Get: | |
| 1769 if (next >= cnt) | |
| 1770 return NULL; | |
| 1771 | |
| 1772 p = mp[next]; | |
| 1773 next++; | |
| 1774 break; | |
| 1775 case Free: | |
| 1776 if (mp != NULL) | |
| 1777 { | |
| 1778 if (cnt > 0) | |
| 1779 while (cnt--) | |
| 1780 { | |
| 1781 vim_free(mp[cnt]); | |
| 1782 if (cp != NULL) | |
| 1783 vim_free(cp[cnt]); | |
| 1784 } | |
| 1785 vim_free(mp); | |
| 1786 vim_free(cp); | |
| 1787 } | |
| 1788 mp = NULL; | |
| 1789 cp = NULL; | |
| 1790 cnt = 0; | |
| 1791 next = 0; | |
| 1792 break; | |
| 1793 case Print: | |
| 1794 cs_print_tags_priv(mp, cp, cnt); | |
| 1795 break; | |
| 1796 default: /* should not reach here */ | |
| 1797 (void)EMSG(_("E570: fatal error in cs_manage_matches")); | |
| 1798 return NULL; | |
| 1799 } | |
| 1800 | |
| 1801 return p; | |
| 1802 } /* cs_manage_matches */ | |
| 1803 | |
| 1804 | |
| 1805 /* | |
| 1806 * PRIVATE: cs_parse_results | |
| 1807 * | |
| 1808 * parse cscope output | |
| 1809 */ | |
| 1810 static char * | |
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1811 cs_parse_results( |
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1812 int cnumber, |
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1813 char *buf, |
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commit https://github.com/vim/vim/commit/68c2f638e65d914dc6e84eb7ce2624f08af525c0
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1814 int bufsize, |
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commit https://github.com/vim/vim/commit/68c2f638e65d914dc6e84eb7ce2624f08af525c0
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1815 char **context, |
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bcef391c101c
commit https://github.com/vim/vim/commit/68c2f638e65d914dc6e84eb7ce2624f08af525c0
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1816 char **linenumber, |
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1817 char **search) |
| 7 | 1818 { |
| 1819 int ch; | |
| 1820 char *p; | |
| 1821 char *name; | |
| 1822 | |
| 1823 if (fgets(buf, bufsize, csinfo[cnumber].fr_fp) == NULL) | |
| 1824 { | |
| 1825 if (feof(csinfo[cnumber].fr_fp)) | |
| 1826 errno = EIO; | |
| 1827 | |
| 1828 cs_reading_emsg(cnumber); | |
| 1829 | |
| 1830 return NULL; | |
| 1831 } | |
| 1832 | |
| 1833 /* If the line's too long for the buffer, discard it. */ | |
| 1834 if ((p = strchr(buf, '\n')) == NULL) | |
| 1835 { | |
| 1836 while ((ch = getc(csinfo[cnumber].fr_fp)) != EOF && ch != '\n') | |
| 1837 ; | |
| 1838 return NULL; | |
| 1839 } | |
| 1840 *p = '\0'; | |
| 1841 | |
| 1842 /* | |
| 1843 * cscope output is in the following format: | |
| 1844 * | |
| 1845 * <filename> <context> <line number> <pattern> | |
| 1846 */ | |
| 1847 if ((name = strtok((char *)buf, (const char *)" ")) == NULL) | |
| 1848 return NULL; | |
| 1849 if ((*context = strtok(NULL, (const char *)" ")) == NULL) | |
| 1850 return NULL; | |
| 1851 if ((*linenumber = strtok(NULL, (const char *)" ")) == NULL) | |
| 1852 return NULL; | |
| 1853 *search = *linenumber + strlen(*linenumber) + 1; /* +1 to skip \0 */ | |
| 1854 | |
| 1855 /* --- nvi --- | |
| 1856 * If the file is older than the cscope database, that is, | |
| 1857 * the database was built since the file was last modified, | |
| 1858 * or there wasn't a search string, use the line number. | |
| 1859 */ | |
| 1860 if (strcmp(*search, "<unknown>") == 0) | |
| 1861 *search = NULL; | |
| 1862 | |
| 1863 name = cs_resolve_file(cnumber, name); | |
| 1864 return name; | |
| 1865 } | |
| 1866 | |
| 636 | 1867 #ifdef FEAT_QUICKFIX |
| 7 | 1868 /* |
| 1869 * PRIVATE: cs_file_results | |
| 1870 * | |
| 1871 * write cscope find results to file | |
| 1872 */ | |
| 1873 static void | |
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1874 cs_file_results(FILE *f, int *nummatches_a) |
| 7 | 1875 { |
| 1876 int i, j; | |
| 1877 char *buf; | |
| 1878 char *search, *slno; | |
| 1879 char *fullname; | |
| 1880 char *cntx; | |
| 1881 char *context; | |
| 1882 | |
| 1883 buf = (char *)alloc(CSREAD_BUFSIZE); | |
| 1884 if (buf == NULL) | |
| 1885 return; | |
| 1886 | |
| 1931 | 1887 for (i = 0; i < csinfo_size; i++) |
| 7 | 1888 { |
| 1889 if (nummatches_a[i] < 1) | |
| 1890 continue; | |
| 1891 | |
| 1892 for (j = 0; j < nummatches_a[i]; j++) | |
| 1893 { | |
| 293 | 1894 if ((fullname = cs_parse_results(i, buf, CSREAD_BUFSIZE, &cntx, |
| 1895 &slno, &search)) == NULL) | |
| 7 | 1896 continue; |
| 1897 | |
| 835 | 1898 context = (char *)alloc((unsigned)strlen(cntx)+5); |
| 1027 | 1899 if (context == NULL) |
| 7 | 1900 continue; |
| 1901 | |
| 1902 if (strcmp(cntx, "<global>")==0) | |
| 1903 strcpy(context, "<<global>>"); | |
| 1904 else | |
| 1905 sprintf(context, "<<%s>>", cntx); | |
| 1906 | |
| 1027 | 1907 if (search == NULL) |
| 7 | 1908 fprintf(f, "%s\t%s\t%s\n", fullname, slno, context); |
| 1909 else | |
| 1910 fprintf(f, "%s\t%s\t%s %s\n", fullname, slno, context, search); | |
| 1911 | |
| 1912 vim_free(context); | |
| 1913 vim_free(fullname); | |
| 1914 } /* for all matches */ | |
| 1915 | |
| 1916 (void)cs_read_prompt(i); | |
| 1917 | |
| 1918 } /* for all cscope connections */ | |
| 1919 vim_free(buf); | |
| 1920 } | |
| 636 | 1921 #endif |
| 7 | 1922 |
| 1923 /* | |
| 1924 * PRIVATE: cs_fill_results | |
| 1925 * | |
| 1926 * get parsed cscope output and calls cs_make_vim_style_matches to convert | |
| 1927 * into ctags format | |
| 297 | 1928 * When there are no matches sets "*matches_p" to NULL. |
| 7 | 1929 */ |
| 1930 static void | |
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1931 cs_fill_results( |
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1932 char *tagstr, |
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1933 int totmatches, |
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1934 int *nummatches_a, |
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1935 char ***matches_p, |
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1936 char ***cntxts_p, |
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1937 int *matched) |
| 7 | 1938 { |
| 1939 int i, j; | |
| 1940 char *buf; | |
| 1941 char *search, *slno; | |
| 1942 int totsofar = 0; | |
| 1943 char **matches = NULL; | |
| 1944 char **cntxts = NULL; | |
| 1945 char *fullname; | |
| 1946 char *cntx; | |
| 1947 | |
| 1948 assert(totmatches > 0); | |
| 1949 | |
| 1950 buf = (char *)alloc(CSREAD_BUFSIZE); | |
| 1951 if (buf == NULL) | |
| 1952 return; | |
| 1953 | |
| 1954 if ((matches = (char **)alloc(sizeof(char *) * totmatches)) == NULL) | |
| 1955 goto parse_out; | |
| 1956 if ((cntxts = (char **)alloc(sizeof(char *) * totmatches)) == NULL) | |
| 1957 goto parse_out; | |
| 1958 | |
| 1931 | 1959 for (i = 0; i < csinfo_size; i++) |
| 7 | 1960 { |
| 1961 if (nummatches_a[i] < 1) | |
| 1962 continue; | |
| 1963 | |
| 1964 for (j = 0; j < nummatches_a[i]; j++) | |
| 1965 { | |
| 1966 if ((fullname = cs_parse_results(i, buf, CSREAD_BUFSIZE, &cntx, | |
| 1967 &slno, &search)) == NULL) | |
| 1968 continue; | |
| 1969 | |
| 1970 matches[totsofar] = cs_make_vim_style_matches(fullname, slno, | |
| 1971 search, tagstr); | |
| 1972 | |
| 1973 vim_free(fullname); | |
| 1974 | |
| 1975 if (strcmp(cntx, "<global>") == 0) | |
| 1976 cntxts[totsofar] = NULL; | |
| 1977 else | |
| 1978 /* note: if vim_strsave returns NULL, then the context | |
| 1979 * will be "<global>", which is misleading. | |
| 1980 */ | |
| 1981 cntxts[totsofar] = (char *)vim_strsave((char_u *)cntx); | |
| 1982 | |
| 1983 if (matches[totsofar] != NULL) | |
| 1984 totsofar++; | |
| 1985 | |
| 1986 } /* for all matches */ | |
| 1987 | |
| 1988 (void)cs_read_prompt(i); | |
| 1989 | |
| 1990 } /* for all cscope connections */ | |
| 1991 | |
| 1992 parse_out: | |
| 297 | 1993 if (totsofar == 0) |
| 1994 { | |
| 1995 /* No matches, free the arrays and return NULL in "*matches_p". */ | |
| 1996 vim_free(matches); | |
| 1997 matches = NULL; | |
| 1998 vim_free(cntxts); | |
| 1999 cntxts = NULL; | |
| 2000 } | |
| 7 | 2001 *matched = totsofar; |
| 2002 *matches_p = matches; | |
| 2003 *cntxts_p = cntxts; | |
| 297 | 2004 |
| 7 | 2005 vim_free(buf); |
| 2006 } /* cs_fill_results */ | |
| 2007 | |
| 2008 | |
| 2009 /* get the requested path components */ | |
| 2010 static char * | |
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2011 cs_pathcomponents(char *path) |
| 7 | 2012 { |
| 2013 int i; | |
| 2014 char *s; | |
| 2015 | |
| 2016 if (p_cspc == 0) | |
| 2017 return path; | |
| 2018 | |
| 2019 s = path + strlen(path) - 1; | |
| 2020 for (i = 0; i < p_cspc; ++i) | |
| 2021 while (s > path && *--s != '/' | |
| 2022 #ifdef WIN32 | |
| 2023 && *--s != '\\' | |
| 2024 #endif | |
| 2025 ) | |
| 2026 ; | |
| 2027 if ((s > path && *s == '/') | |
| 2028 #ifdef WIN32 | |
| 2029 || (s > path && *s == '\\') | |
| 2030 #endif | |
| 2031 ) | |
| 2032 ++s; | |
| 2033 return s; | |
| 2034 } | |
| 2035 | |
| 2036 /* | |
| 2037 * PRIVATE: cs_print_tags_priv | |
| 2038 * | |
| 2039 * called from cs_manage_matches() | |
| 2040 */ | |
| 2041 static void | |
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2042 cs_print_tags_priv(char **matches, char **cntxts, int num_matches) |
| 7 | 2043 { |
| 2044 char *buf = NULL; | |
| 6596 | 2045 char *t_buf; |
| 7 | 2046 int bufsize = 0; /* Track available bufsize */ |
| 2047 int newsize = 0; | |
| 2048 char *ptag; | |
| 2049 char *fname, *lno, *extra, *tbuf; | |
| 2050 int i, idx, num; | |
| 2051 char *globalcntx = "GLOBAL"; | |
| 2052 char *cntxformat = " <<%s>>"; | |
| 2053 char *context; | |
| 2054 char *cstag_msg = _("Cscope tag: %s"); | |
| 2055 char *csfmt_str = "%4d %6s "; | |
| 2056 | |
| 2057 assert (num_matches > 0); | |
| 2058 | |
| 835 | 2059 if ((tbuf = (char *)alloc((unsigned)strlen(matches[0]) + 1)) == NULL) |
| 7 | 2060 return; |
| 2061 | |
| 2062 strcpy(tbuf, matches[0]); | |
| 2063 ptag = strtok(tbuf, "\t"); | |
| 7009 | 2064 if (ptag == NULL) |
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2065 { |
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2066 vim_free(tbuf); |
| 7009 | 2067 return; |
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2068 } |
| 7 | 2069 |
| 835 | 2070 newsize = (int)(strlen(cstag_msg) + strlen(ptag)); |
| 7 | 2071 buf = (char *)alloc(newsize); |
| 2072 if (buf != NULL) | |
| 2073 { | |
| 2074 bufsize = newsize; | |
| 2075 (void)sprintf(buf, cstag_msg, ptag); | |
| 2076 MSG_PUTS_ATTR(buf, hl_attr(HLF_T)); | |
| 2077 } | |
| 2078 | |
| 2079 vim_free(tbuf); | |
| 2080 | |
| 2081 MSG_PUTS_ATTR(_("\n # line"), hl_attr(HLF_T)); /* strlen is 7 */ | |
| 2082 msg_advance(msg_col + 2); | |
| 2083 MSG_PUTS_ATTR(_("filename / context / line\n"), hl_attr(HLF_T)); | |
| 2084 | |
| 2085 num = 1; | |
| 2086 for (i = 0; i < num_matches; i++) | |
| 2087 { | |
| 2088 idx = i; | |
| 2089 | |
| 2090 /* if we really wanted to, we could avoid this malloc and strcpy | |
| 2091 * by parsing matches[i] on the fly and placing stuff into buf | |
| 2092 * directly, but that's too much of a hassle | |
| 2093 */ | |
| 835 | 2094 if ((tbuf = (char *)alloc((unsigned)strlen(matches[idx]) + 1)) == NULL) |
| 7 | 2095 continue; |
| 2096 (void)strcpy(tbuf, matches[idx]); | |
| 2097 | |
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2098 if (strtok(tbuf, (const char *)"\t") == NULL |
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2099 || (fname = strtok(NULL, (const char *)"\t")) == NULL |
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2100 || (lno = strtok(NULL, (const char *)"\t")) == NULL) |
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2101 { |
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2102 vim_free(tbuf); |
| 7 | 2103 continue; |
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2104 } |
| 1078 | 2105 extra = strtok(NULL, (const char *)"\t"); |
| 7 | 2106 |
| 2107 lno[strlen(lno)-2] = '\0'; /* ignore ;" at the end */ | |
| 2108 | |
| 2109 /* hopefully 'num' (num of matches) will be less than 10^16 */ | |
| 835 | 2110 newsize = (int)(strlen(csfmt_str) + 16 + strlen(lno)); |
| 7 | 2111 if (bufsize < newsize) |
| 2112 { | |
| 6596 | 2113 t_buf = buf; |
| 7 | 2114 buf = (char *)vim_realloc(buf, newsize); |
| 2115 if (buf == NULL) | |
| 6596 | 2116 { |
| 7 | 2117 bufsize = 0; |
| 6596 | 2118 vim_free(t_buf); |
| 2119 } | |
| 7 | 2120 else |
| 2121 bufsize = newsize; | |
| 2122 } | |
| 2123 if (buf != NULL) | |
| 2124 { | |
| 2125 /* csfmt_str = "%4d %6s "; */ | |
| 2126 (void)sprintf(buf, csfmt_str, num, lno); | |
| 2127 MSG_PUTS_ATTR(buf, hl_attr(HLF_CM)); | |
| 2128 } | |
| 2129 MSG_PUTS_LONG_ATTR(cs_pathcomponents(fname), hl_attr(HLF_CM)); | |
| 2130 | |
| 2131 /* compute the required space for the context */ | |
| 2132 if (cntxts[idx] != NULL) | |
| 2133 context = cntxts[idx]; | |
| 2134 else | |
| 2135 context = globalcntx; | |
| 835 | 2136 newsize = (int)(strlen(context) + strlen(cntxformat)); |
| 7 | 2137 |
| 2138 if (bufsize < newsize) | |
| 2139 { | |
| 6596 | 2140 t_buf = buf; |
| 7 | 2141 buf = (char *)vim_realloc(buf, newsize); |
| 2142 if (buf == NULL) | |
| 6596 | 2143 { |
| 7 | 2144 bufsize = 0; |
| 6596 | 2145 vim_free(t_buf); |
| 2146 } | |
| 7 | 2147 else |
| 2148 bufsize = newsize; | |
| 2149 } | |
| 2150 if (buf != NULL) | |
| 2151 { | |
| 2152 (void)sprintf(buf, cntxformat, context); | |
| 2153 | |
| 2154 /* print the context only if it fits on the same line */ | |
| 2155 if (msg_col + (int)strlen(buf) >= (int)Columns) | |
| 2156 msg_putchar('\n'); | |
| 2157 msg_advance(12); | |
| 2158 MSG_PUTS_LONG(buf); | |
| 2159 msg_putchar('\n'); | |
| 2160 } | |
| 2161 if (extra != NULL) | |
| 2162 { | |
| 2163 msg_advance(13); | |
| 2164 MSG_PUTS_LONG(extra); | |
| 2165 } | |
| 2166 | |
| 2167 vim_free(tbuf); /* only after printing extra due to strtok use */ | |
| 2168 | |
| 2169 if (msg_col) | |
| 2170 msg_putchar('\n'); | |
| 2171 | |
| 2172 ui_breakcheck(); | |
| 2173 if (got_int) | |
| 2174 { | |
| 2175 got_int = FALSE; /* don't print any more matches */ | |
| 2176 break; | |
| 2177 } | |
| 2178 | |
| 2179 num++; | |
| 2180 } /* for all matches */ | |
| 2181 | |
| 2182 vim_free(buf); | |
| 2183 } /* cs_print_tags_priv */ | |
| 2184 | |
| 2185 | |
| 2186 /* | |
| 2187 * PRIVATE: cs_read_prompt | |
| 2188 * | |
| 2189 * read a cscope prompt (basically, skip over the ">> ") | |
| 2190 */ | |
| 2191 static int | |
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2192 cs_read_prompt(int i) |
| 7 | 2193 { |
| 2194 int ch; | |
| 2195 char *buf = NULL; /* buffer for possible error message from cscope */ | |
| 2196 int bufpos = 0; | |
| 2197 char *cs_emsg; | |
| 2198 int maxlen; | |
| 2199 static char *eprompt = "Press the RETURN key to continue:"; | |
| 835 | 2200 int epromptlen = (int)strlen(eprompt); |
| 7 | 2201 int n; |
| 2202 | |
| 2203 cs_emsg = _("E609: Cscope error: %s"); | |
| 2204 /* compute maximum allowed len for Cscope error message */ | |
| 2205 maxlen = (int)(IOSIZE - strlen(cs_emsg)); | |
| 2206 | |
| 2207 for (;;) | |
| 2208 { | |
| 2209 while ((ch = getc(csinfo[i].fr_fp)) != EOF && ch != CSCOPE_PROMPT[0]) | |
| 2210 /* if there is room and char is printable */ | |
| 2211 if (bufpos < maxlen - 1 && vim_isprintc(ch)) | |
| 2212 { | |
| 2213 if (buf == NULL) /* lazy buffer allocation */ | |
| 2214 buf = (char *)alloc(maxlen); | |
| 2215 if (buf != NULL) | |
| 2216 { | |
| 2217 /* append character to the message */ | |
| 2218 buf[bufpos++] = ch; | |
| 2219 buf[bufpos] = NUL; | |
| 2220 if (bufpos >= epromptlen | |
| 2221 && strcmp(&buf[bufpos - epromptlen], eprompt) == 0) | |
| 2222 { | |
| 2223 /* remove eprompt from buf */ | |
| 2224 buf[bufpos - epromptlen] = NUL; | |
| 2225 | |
| 2226 /* print message to user */ | |
| 2227 (void)EMSG2(cs_emsg, buf); | |
| 2228 | |
| 2229 /* send RETURN to cscope */ | |
| 2230 (void)putc('\n', csinfo[i].to_fp); | |
| 2231 (void)fflush(csinfo[i].to_fp); | |
| 2232 | |
| 2233 /* clear buf */ | |
| 2234 bufpos = 0; | |
| 2235 buf[bufpos] = NUL; | |
| 2236 } | |
| 2237 } | |
| 2238 } | |
| 2239 | |
| 2240 for (n = 0; n < (int)strlen(CSCOPE_PROMPT); ++n) | |
| 2241 { | |
| 2242 if (n > 0) | |
| 2243 ch = getc(csinfo[i].fr_fp); | |
| 2244 if (ch == EOF) | |
| 2245 { | |
| 2246 PERROR("cs_read_prompt EOF"); | |
| 2247 if (buf != NULL && buf[0] != NUL) | |
| 2248 (void)EMSG2(cs_emsg, buf); | |
| 2249 else if (p_csverbose) | |
| 2250 cs_reading_emsg(i); /* don't have additional information */ | |
| 2251 cs_release_csp(i, TRUE); | |
| 2252 vim_free(buf); | |
| 2253 return CSCOPE_FAILURE; | |
| 2254 } | |
| 2255 | |
| 2256 if (ch != CSCOPE_PROMPT[n]) | |
| 2257 { | |
| 2258 ch = EOF; | |
| 2259 break; | |
| 2260 } | |
| 2261 } | |
| 2262 | |
| 2263 if (ch == EOF) | |
| 2264 continue; /* didn't find the prompt */ | |
| 2265 break; /* did find the prompt */ | |
| 2266 } | |
| 2267 | |
| 2268 vim_free(buf); | |
| 2269 return CSCOPE_SUCCESS; | |
| 2270 } | |
| 2271 | |
| 1566 | 2272 #if defined(UNIX) && defined(SIGALRM) |
| 2273 /* | |
| 2274 * Used to catch and ignore SIGALRM below. | |
| 2275 */ | |
| 2276 static RETSIGTYPE | |
| 2277 sig_handler SIGDEFARG(sigarg) | |
| 2278 { | |
| 2279 /* do nothing */ | |
| 2280 SIGRETURN; | |
| 2281 } | |
| 2282 #endif | |
| 7 | 2283 |
| 2284 /* | |
| 2285 * PRIVATE: cs_release_csp | |
| 2286 * | |
| 1385 | 2287 * Does the actual free'ing for the cs ptr with an optional flag of whether |
| 2288 * or not to free the filename. Called by cs_kill and cs_reset. | |
| 7 | 2289 */ |
| 2290 static void | |
|
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|
2291 cs_release_csp(int i, int freefnpp) |
| 7 | 2292 { |
| 2293 /* | |
| 2294 * Trying to exit normally (not sure whether it is fit to UNIX cscope | |
| 2295 */ | |
| 2296 if (csinfo[i].to_fp != NULL) | |
| 2297 { | |
| 2298 (void)fputs("q\n", csinfo[i].to_fp); | |
| 2299 (void)fflush(csinfo[i].to_fp); | |
| 2300 } | |
| 1566 | 2301 #if defined(UNIX) |
| 2302 { | |
| 1575 | 2303 int waitpid_errno; |
| 1566 | 2304 int pstat; |
| 2305 pid_t pid; | |
| 2306 | |
| 2307 # if defined(HAVE_SIGACTION) | |
| 2308 struct sigaction sa, old; | |
| 2309 | |
| 1568 | 2310 /* Use sigaction() to limit the waiting time to two seconds. */ |
| 2311 sigemptyset(&sa.sa_mask); | |
| 1566 | 2312 sa.sa_handler = sig_handler; |
|
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2313 # ifdef SA_NODEFER |
| 1566 | 2314 sa.sa_flags = SA_NODEFER; |
|
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2315 # else |
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2316 sa.sa_flags = 0; |
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2317 # endif |
| 1566 | 2318 sigaction(SIGALRM, &sa, &old); |
| 2319 alarm(2); /* 2 sec timeout */ | |
| 2320 | |
| 2321 /* Block until cscope exits or until timer expires */ | |
| 2322 pid = waitpid(csinfo[i].pid, &pstat, 0); | |
| 1575 | 2323 waitpid_errno = errno; |
| 1566 | 2324 |
| 2325 /* cancel pending alarm if still there and restore signal */ | |
| 2326 alarm(0); | |
| 2327 sigaction(SIGALRM, &old, NULL); | |
| 2328 # else | |
| 2329 int waited; | |
| 2330 | |
| 2331 /* Can't use sigaction(), loop for two seconds. First yield the CPU | |
| 2332 * to give cscope a chance to exit quickly. */ | |
| 2333 sleep(0); | |
| 2334 for (waited = 0; waited < 40; ++waited) | |
| 2335 { | |
| 2336 pid = waitpid(csinfo[i].pid, &pstat, WNOHANG); | |
| 1575 | 2337 waitpid_errno = errno; |
| 1566 | 2338 if (pid != 0) |
| 2339 break; /* break unless the process is still running */ | |
| 1578 | 2340 mch_delay(50L, FALSE); /* sleep 50 ms */ |
| 1566 | 2341 } |
| 2342 # endif | |
| 2343 /* | |
| 2344 * If the cscope process is still running: kill it. | |
| 2345 * Safety check: If the PID would be zero here, the entire X session | |
| 2346 * would be killed. -1 and 1 are dangerous as well. | |
| 2347 */ | |
| 2348 if (pid < 0 && csinfo[i].pid > 1) | |
| 2349 { | |
| 1575 | 2350 # ifdef ECHILD |
| 2351 int alive = TRUE; | |
| 2352 | |
| 2353 if (waitpid_errno == ECHILD) | |
| 2354 { | |
| 2355 /* | |
| 2356 * When using 'vim -g', vim is forked and cscope process is | |
| 2357 * no longer a child process but a sibling. So waitpid() | |
| 2358 * fails with errno being ECHILD (No child processes). | |
| 2359 * Don't send SIGKILL to cscope immediately but wait | |
| 2360 * (polling) for it to exit normally as result of sending | |
| 2361 * the "q" command, hence giving it a chance to clean up | |
| 2362 * its temporary files. | |
| 2363 */ | |
| 2364 int waited; | |
| 2365 | |
| 2366 sleep(0); | |
| 2367 for (waited = 0; waited < 40; ++waited) | |
| 2368 { | |
| 2369 /* Check whether cscope process is still alive */ | |
| 2370 if (kill(csinfo[i].pid, 0) != 0) | |
| 2371 { | |
| 2372 alive = FALSE; /* cscope process no longer exists */ | |
| 2373 break; | |
| 2374 } | |
| 1578 | 2375 mch_delay(50L, FALSE); /* sleep 50ms */ |
| 1575 | 2376 } |
| 2377 } | |
| 2378 if (alive) | |
| 2379 # endif | |
| 2380 { | |
| 2381 kill(csinfo[i].pid, SIGKILL); | |
| 2382 (void)waitpid(csinfo[i].pid, &pstat, 0); | |
| 2383 } | |
| 1566 | 2384 } |
| 2385 } | |
| 2386 #else /* !UNIX */ | |
| 1385 | 2387 if (csinfo[i].hProc != NULL) |
| 2388 { | |
| 2389 /* Give cscope a chance to exit normally */ | |
| 2390 if (WaitForSingleObject(csinfo[i].hProc, 1000) == WAIT_TIMEOUT) | |
| 2391 TerminateProcess(csinfo[i].hProc, 0); | |
| 2392 CloseHandle(csinfo[i].hProc); | |
| 2393 } | |
| 7 | 2394 #endif |
| 2395 | |
| 2396 if (csinfo[i].fr_fp != NULL) | |
| 2397 (void)fclose(csinfo[i].fr_fp); | |
| 2398 if (csinfo[i].to_fp != NULL) | |
| 2399 (void)fclose(csinfo[i].to_fp); | |
| 2400 | |
| 2401 if (freefnpp) | |
| 2402 { | |
| 2403 vim_free(csinfo[i].fname); | |
| 2404 vim_free(csinfo[i].ppath); | |
| 2405 vim_free(csinfo[i].flags); | |
| 2406 } | |
| 2407 | |
| 2408 clear_csinfo(i); | |
| 2409 } /* cs_release_csp */ | |
| 2410 | |
| 2411 | |
| 2412 /* | |
| 2413 * PRIVATE: cs_reset | |
| 2414 * | |
| 2415 * calls cs_kill on all cscope connections then reinits | |
| 2416 */ | |
| 2417 static int | |
|
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diff
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|
2418 cs_reset(exarg_T *eap UNUSED) |
| 7 | 2419 { |
| 2420 char **dblist = NULL, **pplist = NULL, **fllist = NULL; | |
| 2421 int i; | |
| 273 | 2422 char buf[20]; /* for sprintf " (#%d)" */ |
| 7 | 2423 |
| 1931 | 2424 if (csinfo_size == 0) |
| 2425 return CSCOPE_SUCCESS; | |
| 2426 | |
| 7 | 2427 /* malloc our db and ppath list */ |
| 1931 | 2428 dblist = (char **)alloc(csinfo_size * sizeof(char *)); |
| 2429 pplist = (char **)alloc(csinfo_size * sizeof(char *)); | |
| 2430 fllist = (char **)alloc(csinfo_size * sizeof(char *)); | |
| 7 | 2431 if (dblist == NULL || pplist == NULL || fllist == NULL) |
| 2432 { | |
| 2433 vim_free(dblist); | |
| 2434 vim_free(pplist); | |
| 2435 vim_free(fllist); | |
| 2436 return CSCOPE_FAILURE; | |
| 2437 } | |
| 2438 | |
| 1931 | 2439 for (i = 0; i < csinfo_size; i++) |
| 7 | 2440 { |
| 2441 dblist[i] = csinfo[i].fname; | |
| 2442 pplist[i] = csinfo[i].ppath; | |
| 2443 fllist[i] = csinfo[i].flags; | |
| 2444 if (csinfo[i].fname != NULL) | |
| 2445 cs_release_csp(i, FALSE); | |
| 2446 } | |
| 2447 | |
| 2448 /* rebuild the cscope connection list */ | |
| 1931 | 2449 for (i = 0; i < csinfo_size; i++) |
| 7 | 2450 { |
| 2451 if (dblist[i] != NULL) | |
| 2452 { | |
| 2453 cs_add_common(dblist[i], pplist[i], fllist[i]); | |
| 2454 if (p_csverbose) | |
| 2455 { | |
| 1372 | 2456 /* don't use smsg_attr() because we want to display the |
| 7 | 2457 * connection number in the same line as |
| 2458 * "Added cscope database..." | |
| 2459 */ | |
| 2460 sprintf(buf, " (#%d)", i); | |
| 2461 MSG_PUTS_ATTR(buf, hl_attr(HLF_R)); | |
| 2462 } | |
| 2463 } | |
| 2464 vim_free(dblist[i]); | |
| 2465 vim_free(pplist[i]); | |
| 2466 vim_free(fllist[i]); | |
| 2467 } | |
| 2468 vim_free(dblist); | |
| 2469 vim_free(pplist); | |
| 2470 vim_free(fllist); | |
| 2471 | |
| 2472 if (p_csverbose) | |
| 2473 MSG_ATTR(_("All cscope databases reset"), hl_attr(HLF_R) | MSG_HIST); | |
| 2474 return CSCOPE_SUCCESS; | |
| 2475 } /* cs_reset */ | |
| 2476 | |
| 2477 | |
| 2478 /* | |
| 2479 * PRIVATE: cs_resolve_file | |
| 2480 * | |
|
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2481 * Construct the full pathname to a file found in the cscope database. |
| 7 | 2482 * (Prepends ppath, if there is one and if it's not already prepended, |
| 2483 * otherwise just uses the name found.) | |
| 2484 * | |
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2485 * We need to prepend the prefix because on some cscope's (e.g., the one that |
| 7 | 2486 * ships with Solaris 2.6), the output never has the prefix prepended. |
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2487 * Contrast this with my development system (Digital Unix), which does. |
| 7 | 2488 */ |
| 2489 static char * | |
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diff
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2490 cs_resolve_file(int i, char *name) |
| 7 | 2491 { |
| 2873 | 2492 char *fullname; |
| 2493 int len; | |
| 2494 char_u *csdir = NULL; | |
| 7 | 2495 |
| 2496 /* | |
| 2873 | 2497 * Ppath is freed when we destroy the cscope connection. |
| 2498 * Fullname is freed after cs_make_vim_style_matches, after it's been | |
| 2499 * copied into the tag buffer used by Vim. | |
| 7 | 2500 */ |
| 835 | 2501 len = (int)(strlen(name) + 2); |
| 7 | 2502 if (csinfo[i].ppath != NULL) |
| 835 | 2503 len += (int)strlen(csinfo[i].ppath); |
| 2873 | 2504 else if (p_csre && csinfo[i].fname != NULL) |
| 2505 { | |
| 2506 /* If 'cscoperelative' is set and ppath is not set, use cscope.out | |
| 2507 * path in path resolution. */ | |
| 2508 csdir = alloc(MAXPATHL); | |
| 2509 if (csdir != NULL) | |
| 2510 { | |
| 2511 vim_strncpy(csdir, (char_u *)csinfo[i].fname, | |
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2512 gettail((char_u *)csinfo[i].fname) |
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2513 - (char_u *)csinfo[i].fname); |
| 2873 | 2514 len += (int)STRLEN(csdir); |
| 2515 } | |
| 2516 } | |
| 7 | 2517 |
| 2873 | 2518 /* Note/example: this won't work if the cscope output already starts |
| 7 | 2519 * "../.." and the prefix path is also "../..". if something like this |
| 2873 | 2520 * happens, you are screwed up and need to fix how you're using cscope. */ |
| 2521 if (csinfo[i].ppath != NULL | |
| 2522 && (strncmp(name, csinfo[i].ppath, strlen(csinfo[i].ppath)) != 0) | |
| 2523 && (name[0] != '/') | |
| 7 | 2524 #ifdef WIN32 |
| 2873 | 2525 && name[0] != '\\' && name[1] != ':' |
| 7 | 2526 #endif |
| 2873 | 2527 ) |
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2528 { |
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2529 if ((fullname = (char *)alloc(len)) != NULL) |
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2530 (void)sprintf(fullname, "%s/%s", csinfo[i].ppath, name); |
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2531 } |
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2532 else if (csdir != NULL && csinfo[i].fname != NULL && *csdir != NUL) |
| 2873 | 2533 { |
| 2534 /* Check for csdir to be non empty to avoid empty path concatenated to | |
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2535 * cscope output. */ |
| 2875 | 2536 fullname = (char *)concat_fnames(csdir, (char_u *)name, TRUE); |
| 2873 | 2537 } |
| 7 | 2538 else |
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2539 { |
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2540 fullname = (char *)vim_strsave((char_u *)name); |
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2541 } |
| 7 | 2542 |
| 2873 | 2543 vim_free(csdir); |
| 7 | 2544 return fullname; |
| 2873 | 2545 } |
| 7 | 2546 |
| 2547 | |
| 2548 /* | |
| 2549 * PRIVATE: cs_show | |
| 2550 * | |
| 2551 * show all cscope connections | |
| 2552 */ | |
| 2553 static int | |
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diff
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2554 cs_show(exarg_T *eap UNUSED) |
| 7 | 2555 { |
| 2556 short i; | |
| 2557 if (cs_cnt_connections() == 0) | |
| 2558 MSG_PUTS(_("no cscope connections\n")); | |
| 2559 else | |
| 2560 { | |
| 2561 MSG_PUTS_ATTR( | |
| 2562 _(" # pid database name prepend path\n"), | |
| 2563 hl_attr(HLF_T)); | |
| 1931 | 2564 for (i = 0; i < csinfo_size; i++) |
| 7 | 2565 { |
| 2566 if (csinfo[i].fname == NULL) | |
| 2567 continue; | |
| 2568 | |
| 2569 if (csinfo[i].ppath != NULL) | |
| 2570 (void)smsg((char_u *)"%2d %-5ld %-34s %-32s", | |
| 2571 i, (long)csinfo[i].pid, csinfo[i].fname, csinfo[i].ppath); | |
| 2572 else | |
| 2573 (void)smsg((char_u *)"%2d %-5ld %-34s <none>", | |
| 2574 i, (long)csinfo[i].pid, csinfo[i].fname); | |
| 2575 } | |
| 2576 } | |
| 2577 | |
| 2578 wait_return(TRUE); | |
| 2579 return CSCOPE_SUCCESS; | |
| 2580 } /* cs_show */ | |
| 2581 | |
| 1385 | 2582 |
| 2583 /* | |
| 2584 * PUBLIC: cs_end | |
| 2585 * | |
| 2586 * Only called when VIM exits to quit any cscope sessions. | |
| 2587 */ | |
| 2588 void | |
|
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diff
changeset
|
2589 cs_end(void) |
| 1385 | 2590 { |
| 2591 int i; | |
| 2592 | |
| 1931 | 2593 for (i = 0; i < csinfo_size; i++) |
| 1385 | 2594 cs_release_csp(i, TRUE); |
| 1931 | 2595 vim_free(csinfo); |
| 2596 csinfo_size = 0; | |
| 1385 | 2597 } |
| 2598 | |
| 7 | 2599 #endif /* FEAT_CSCOPE */ |
| 2600 | |
| 2601 /* the end */ |