Mercurial > vim
annotate src/if_cscope.c @ 10346:d52d97bf675e v8.0.0068
commit https://github.com/vim/vim/commit/21662be2211675824df1771c7f169948ede40c41
Author: Bram Moolenaar <Bram@vim.org>
Date: Sun Nov 6 14:46:44 2016 +0100
patch 8.0.0068
Problem: Checking did_throw after executing autocommands is wrong. (Daniel
Hahler)
Solution: Call aborting() instead, and only when autocommands were executed.
| author | Christian Brabandt <cb@256bit.org> |
|---|---|
| date | Sun, 06 Nov 2016 15:00:05 +0100 |
| parents | c036c0f636d5 |
| children | 66f1b5bf3fa6 |
| rev | line source |
|---|---|
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1 /* vi:set ts=8 sts=4 sw=4 noet: |
| 7 | 2 * |
| 3 * CSCOPE support for Vim added by Andy Kahn <kahn@zk3.dec.com> | |
| 148 | 4 * Ported to Win32 by Sergey Khorev <sergey.khorev@gmail.com> |
| 7 | 5 * |
| 6 * The basic idea/structure of cscope for Vim was borrowed from Nvi. There | |
| 7 * might be a few lines of code that look similar to what Nvi has. | |
| 8 * | |
| 9 * See README.txt for an overview of the Vim source code. | |
| 10 */ | |
| 11 | |
| 12 #include "vim.h" | |
| 13 | |
| 14 #if defined(FEAT_CSCOPE) || defined(PROTO) | |
| 15 | |
| 16 #include <sys/types.h> | |
| 17 #include <sys/stat.h> | |
| 18 #if defined(UNIX) | |
| 19 # include <sys/wait.h> | |
| 20 #endif | |
| 21 #include "if_cscope.h" | |
| 22 | |
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23 static void cs_usage_msg(csid_e x); |
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24 static int cs_add(exarg_T *eap); |
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25 static void cs_stat_emsg(char *fname); |
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26 static int cs_add_common(char *, char *, char *); |
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27 static int cs_check_for_connections(void); |
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28 static int cs_check_for_tags(void); |
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29 static int cs_cnt_connections(void); |
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30 static void cs_reading_emsg(int idx); |
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31 static int cs_cnt_matches(int idx); |
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32 static char * cs_create_cmd(char *csoption, char *pattern); |
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33 static int cs_create_connection(int i); |
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34 static void do_cscope_general(exarg_T *eap, int make_split); |
| 636 | 35 #ifdef FEAT_QUICKFIX |
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36 static void cs_file_results(FILE *, int *); |
| 636 | 37 #endif |
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38 static void cs_fill_results(char *, int , int *, char ***, |
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39 char ***, int *); |
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40 static int cs_find(exarg_T *eap); |
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41 static int cs_find_common(char *opt, char *pat, int, int, int, char_u *cmdline); |
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42 static int cs_help(exarg_T *eap); |
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43 static void clear_csinfo(int i); |
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44 static int cs_insert_filelist(char *, char *, char *, |
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45 stat_T *); |
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46 static int cs_kill(exarg_T *eap); |
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47 static void cs_kill_execute(int, char *); |
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48 static cscmd_T * cs_lookup_cmd(exarg_T *eap); |
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49 static char * cs_make_vim_style_matches(char *, char *, |
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50 char *, char *); |
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51 static char * cs_manage_matches(char **, char **, int, mcmd_e); |
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52 static char * cs_parse_results(int cnumber, char *buf, int bufsize, char **context, char **linenumber, char **search); |
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53 static char * cs_pathcomponents(char *path); |
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54 static void cs_print_tags_priv(char **, char **, int); |
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55 static int cs_read_prompt(int); |
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56 static void cs_release_csp(int, int freefnpp); |
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57 static int cs_reset(exarg_T *eap); |
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58 static char * cs_resolve_file(int, char *); |
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59 static int cs_show(exarg_T *eap); |
| 7 | 60 |
| 61 | |
| 1931 | 62 static csinfo_T * csinfo = NULL; |
| 63 static int csinfo_size = 0; /* number of items allocated in | |
| 64 csinfo[] */ | |
| 65 | |
| 1372 | 66 static int eap_arg_len; /* length of eap->arg, set in |
| 67 cs_lookup_cmd() */ | |
| 7 | 68 static cscmd_T cs_cmds[] = |
| 69 { | |
| 70 { "add", cs_add, | |
| 71 N_("Add a new database"), "add file|dir [pre-path] [flags]", 0 }, | |
| 72 { "find", cs_find, | |
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73 N_("Query for a pattern"), "find a|c|d|e|f|g|i|s|t name", 1 }, |
| 7 | 74 { "help", cs_help, |
| 75 N_("Show this message"), "help", 0 }, | |
| 76 { "kill", cs_kill, | |
| 77 N_("Kill a connection"), "kill #", 0 }, | |
| 78 { "reset", cs_reset, | |
| 79 N_("Reinit all connections"), "reset", 0 }, | |
| 80 { "show", cs_show, | |
| 81 N_("Show connections"), "show", 0 }, | |
| 1880 | 82 { NULL, NULL, NULL, NULL, 0 } |
| 7 | 83 }; |
| 84 | |
| 85 static void | |
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86 cs_usage_msg(csid_e x) |
| 7 | 87 { |
| 88 (void)EMSG2(_("E560: Usage: cs[cope] %s"), cs_cmds[(int)x].usage); | |
| 89 } | |
| 90 | |
| 1845 | 91 #if defined(FEAT_CMDL_COMPL) || defined(PROTO) |
| 92 | |
| 93 static enum | |
| 94 { | |
| 95 EXP_CSCOPE_SUBCMD, /* expand ":cscope" sub-commands */ | |
| 1858 | 96 EXP_SCSCOPE_SUBCMD, /* expand ":scscope" sub-commands */ |
| 1845 | 97 EXP_CSCOPE_FIND, /* expand ":cscope find" arguments */ |
| 98 EXP_CSCOPE_KILL /* expand ":cscope kill" arguments */ | |
| 99 } expand_what; | |
| 100 | |
| 101 /* | |
| 102 * Function given to ExpandGeneric() to obtain the cscope command | |
| 103 * expansion. | |
| 104 */ | |
| 105 char_u * | |
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106 get_cscope_name(expand_T *xp UNUSED, int idx) |
| 1845 | 107 { |
| 1858 | 108 int current_idx; |
| 109 int i; | |
| 110 | |
| 1845 | 111 switch (expand_what) |
| 112 { | |
| 113 case EXP_CSCOPE_SUBCMD: | |
| 114 /* Complete with sub-commands of ":cscope": | |
| 115 * add, find, help, kill, reset, show */ | |
| 116 return (char_u *)cs_cmds[idx].name; | |
| 1858 | 117 case EXP_SCSCOPE_SUBCMD: |
| 118 /* Complete with sub-commands of ":scscope": same sub-commands as | |
| 119 * ":cscope" but skip commands which don't support split windows */ | |
| 120 for (i = 0, current_idx = 0; cs_cmds[i].name != NULL; i++) | |
| 121 if (cs_cmds[i].cansplit) | |
| 122 if (current_idx++ == idx) | |
| 123 break; | |
| 124 return (char_u *)cs_cmds[i].name; | |
| 1845 | 125 case EXP_CSCOPE_FIND: |
| 126 { | |
| 127 const char *query_type[] = | |
| 128 { | |
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129 "a", "c", "d", "e", "f", "g", "i", "s", "t", NULL |
| 1845 | 130 }; |
| 131 | |
| 132 /* Complete with query type of ":cscope find {query_type}". | |
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133 * {query_type} can be letters (c, d, ... a) or numbers (0, 1, |
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134 * ..., 9) but only complete with letters, since numbers are |
| 1845 | 135 * redundant. */ |
| 136 return (char_u *)query_type[idx]; | |
| 137 } | |
| 138 case EXP_CSCOPE_KILL: | |
| 139 { | |
| 1931 | 140 static char connection[5]; |
| 1845 | 141 |
| 142 /* ":cscope kill" accepts connection numbers or partial names of | |
| 143 * the pathname of the cscope database as argument. Only complete | |
| 144 * with connection numbers. -1 can also be used to kill all | |
| 145 * connections. */ | |
| 1931 | 146 for (i = 0, current_idx = 0; i < csinfo_size; i++) |
| 1845 | 147 { |
| 148 if (csinfo[i].fname == NULL) | |
| 149 continue; | |
| 150 if (current_idx++ == idx) | |
| 151 { | |
| 1931 | 152 vim_snprintf(connection, sizeof(connection), "%d", i); |
| 153 return (char_u *)connection; | |
| 1845 | 154 } |
| 155 } | |
| 156 return (current_idx == idx && idx > 0) ? (char_u *)"-1" : NULL; | |
| 157 } | |
| 158 default: | |
| 159 return NULL; | |
| 160 } | |
| 161 } | |
| 162 | |
| 163 /* | |
| 164 * Handle command line completion for :cscope command. | |
| 165 */ | |
| 166 void | |
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167 set_context_in_cscope_cmd( |
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168 expand_T *xp, |
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169 char_u *arg, |
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170 cmdidx_T cmdidx) |
| 1845 | 171 { |
| 172 char_u *p; | |
| 173 | |
| 174 /* Default: expand subcommands */ | |
| 175 xp->xp_context = EXPAND_CSCOPE; | |
| 176 xp->xp_pattern = arg; | |
| 1858 | 177 expand_what = (cmdidx == CMD_scscope) |
| 178 ? EXP_SCSCOPE_SUBCMD : EXP_CSCOPE_SUBCMD; | |
| 1845 | 179 |
| 180 /* (part of) subcommand already typed */ | |
| 181 if (*arg != NUL) | |
| 182 { | |
| 183 p = skiptowhite(arg); | |
| 184 if (*p != NUL) /* past first word */ | |
| 185 { | |
| 186 xp->xp_pattern = skipwhite(p); | |
| 187 if (*skiptowhite(xp->xp_pattern) != NUL) | |
| 188 xp->xp_context = EXPAND_NOTHING; | |
| 189 else if (STRNICMP(arg, "add", p - arg) == 0) | |
| 190 xp->xp_context = EXPAND_FILES; | |
| 191 else if (STRNICMP(arg, "kill", p - arg) == 0) | |
| 192 expand_what = EXP_CSCOPE_KILL; | |
| 193 else if (STRNICMP(arg, "find", p - arg) == 0) | |
| 194 expand_what = EXP_CSCOPE_FIND; | |
| 195 else | |
| 196 xp->xp_context = EXPAND_NOTHING; | |
| 197 } | |
| 198 } | |
| 199 } | |
| 200 | |
| 201 #endif /* FEAT_CMDL_COMPL */ | |
| 202 | |
| 7 | 203 /* |
| 204 * PRIVATE: do_cscope_general | |
| 205 * | |
| 1845 | 206 * Find the command, print help if invalid, and then call the corresponding |
| 207 * command function. | |
| 7 | 208 */ |
| 209 static void | |
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210 do_cscope_general( |
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211 exarg_T *eap, |
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212 int make_split) /* whether to split window */ |
| 7 | 213 { |
| 214 cscmd_T *cmdp; | |
| 215 | |
| 216 if ((cmdp = cs_lookup_cmd(eap)) == NULL) | |
| 217 { | |
| 218 cs_help(eap); | |
| 219 return; | |
| 220 } | |
| 221 | |
| 222 #ifdef FEAT_WINDOWS | |
| 223 if (make_split) | |
| 224 { | |
| 225 if (!cmdp->cansplit) | |
| 226 { | |
| 227 (void)MSG_PUTS(_("This cscope command does not support splitting the window.\n")); | |
| 228 return; | |
| 229 } | |
| 230 postponed_split = -1; | |
| 231 postponed_split_flags = cmdmod.split; | |
| 1090 | 232 postponed_split_tab = cmdmod.tab; |
| 7 | 233 } |
| 234 #endif | |
| 235 | |
| 236 cmdp->func(eap); | |
| 237 | |
| 238 #ifdef FEAT_WINDOWS | |
| 239 postponed_split_flags = 0; | |
| 1090 | 240 postponed_split_tab = 0; |
| 7 | 241 #endif |
| 242 } | |
| 243 | |
| 244 /* | |
| 245 * PUBLIC: do_cscope | |
| 246 */ | |
| 247 void | |
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248 do_cscope(exarg_T *eap) |
| 7 | 249 { |
| 250 do_cscope_general(eap, FALSE); | |
| 251 } | |
| 252 | |
| 253 /* | |
| 254 * PUBLIC: do_scscope | |
| 255 * | |
| 256 * same as do_cscope, but splits window, too. | |
| 257 */ | |
| 258 void | |
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259 do_scscope(exarg_T *eap) |
| 7 | 260 { |
| 261 do_cscope_general(eap, TRUE); | |
| 262 } | |
| 263 | |
| 264 /* | |
| 265 * PUBLIC: do_cstag | |
| 266 * | |
| 267 */ | |
| 268 void | |
|
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269 do_cstag(exarg_T *eap) |
| 7 | 270 { |
| 271 int ret = FALSE; | |
| 272 | |
| 1621 | 273 if (*eap->arg == NUL) |
| 7 | 274 { |
| 275 (void)EMSG(_("E562: Usage: cstag <ident>")); | |
| 276 return; | |
| 277 } | |
| 278 | |
| 279 switch (p_csto) | |
| 280 { | |
| 281 case 0 : | |
| 282 if (cs_check_for_connections()) | |
| 283 { | |
| 665 | 284 ret = cs_find_common("g", (char *)(eap->arg), eap->forceit, FALSE, |
|
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285 FALSE, *eap->cmdlinep); |
| 7 | 286 if (ret == FALSE) |
| 287 { | |
| 288 cs_free_tags(); | |
| 289 if (msg_col) | |
| 290 msg_putchar('\n'); | |
| 291 | |
| 292 if (cs_check_for_tags()) | |
| 293 ret = do_tag(eap->arg, DT_JUMP, 0, eap->forceit, FALSE); | |
| 294 } | |
| 295 } | |
| 296 else if (cs_check_for_tags()) | |
| 297 { | |
| 298 ret = do_tag(eap->arg, DT_JUMP, 0, eap->forceit, FALSE); | |
| 299 } | |
| 300 break; | |
| 301 case 1 : | |
| 302 if (cs_check_for_tags()) | |
| 303 { | |
| 304 ret = do_tag(eap->arg, DT_JUMP, 0, eap->forceit, FALSE); | |
| 305 if (ret == FALSE) | |
| 306 { | |
| 307 if (msg_col) | |
| 308 msg_putchar('\n'); | |
| 309 | |
| 310 if (cs_check_for_connections()) | |
| 311 { | |
| 312 ret = cs_find_common("g", (char *)(eap->arg), eap->forceit, | |
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313 FALSE, FALSE, *eap->cmdlinep); |
| 7 | 314 if (ret == FALSE) |
| 315 cs_free_tags(); | |
| 316 } | |
| 317 } | |
| 318 } | |
| 319 else if (cs_check_for_connections()) | |
| 320 { | |
| 665 | 321 ret = cs_find_common("g", (char *)(eap->arg), eap->forceit, FALSE, |
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322 FALSE, *eap->cmdlinep); |
| 7 | 323 if (ret == FALSE) |
| 324 cs_free_tags(); | |
| 325 } | |
| 326 break; | |
| 327 default : | |
| 328 break; | |
| 329 } | |
| 330 | |
| 331 if (!ret) | |
| 332 { | |
| 333 (void)EMSG(_("E257: cstag: tag not found")); | |
| 334 #if defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX) | |
| 335 g_do_tagpreview = 0; | |
| 336 #endif | |
| 337 } | |
| 338 | |
| 339 } /* do_cscope */ | |
| 340 | |
| 341 | |
| 342 /* | |
| 343 * PUBLIC: cs_find | |
| 344 * | |
| 345 * this simulates a vim_fgets(), but for cscope, returns the next line | |
| 346 * from the cscope output. should only be called from find_tags() | |
| 347 * | |
| 348 * returns TRUE if eof, FALSE otherwise | |
| 349 */ | |
| 350 int | |
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351 cs_fgets(char_u *buf, int size) |
| 7 | 352 { |
| 353 char *p; | |
| 354 | |
| 355 if ((p = cs_manage_matches(NULL, NULL, -1, Get)) == NULL) | |
| 356 return TRUE; | |
| 1372 | 357 vim_strncpy(buf, (char_u *)p, size - 1); |
| 7 | 358 |
| 359 return FALSE; | |
| 360 } /* cs_fgets */ | |
| 361 | |
| 362 | |
| 363 /* | |
| 364 * PUBLIC: cs_free_tags | |
| 365 * | |
| 366 * called only from do_tag(), when popping the tag stack | |
| 367 */ | |
| 368 void | |
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369 cs_free_tags(void) |
| 7 | 370 { |
| 371 cs_manage_matches(NULL, NULL, -1, Free); | |
| 372 } | |
| 373 | |
| 374 | |
| 375 /* | |
| 376 * PUBLIC: cs_print_tags | |
| 377 * | |
| 378 * called from do_tag() | |
| 379 */ | |
| 380 void | |
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381 cs_print_tags(void) |
| 7 | 382 { |
| 383 cs_manage_matches(NULL, NULL, -1, Print); | |
| 384 } | |
| 385 | |
| 386 | |
| 387 /* | |
| 388 * "cscope_connection([{num} , {dbpath} [, {prepend}]])" function | |
| 389 * | |
| 390 * Checks for the existence of a |cscope| connection. If no | |
| 391 * parameters are specified, then the function returns: | |
| 392 * | |
| 393 * 0, if cscope was not available (not compiled in), or if there | |
| 394 * are no cscope connections; or | |
| 395 * 1, if there is at least one cscope connection. | |
| 396 * | |
| 397 * If parameters are specified, then the value of {num} | |
| 398 * determines how existence of a cscope connection is checked: | |
| 399 * | |
| 400 * {num} Description of existence check | |
| 401 * ----- ------------------------------ | |
| 402 * 0 Same as no parameters (e.g., "cscope_connection()"). | |
| 403 * 1 Ignore {prepend}, and use partial string matches for | |
| 404 * {dbpath}. | |
| 405 * 2 Ignore {prepend}, and use exact string matches for | |
| 406 * {dbpath}. | |
| 407 * 3 Use {prepend}, use partial string matches for both | |
| 408 * {dbpath} and {prepend}. | |
| 409 * 4 Use {prepend}, use exact string matches for both | |
| 410 * {dbpath} and {prepend}. | |
| 411 * | |
| 412 * Note: All string comparisons are case sensitive! | |
| 413 */ | |
| 414 #if defined(FEAT_EVAL) || defined(PROTO) | |
| 415 int | |
|
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416 cs_connection(int num, char_u *dbpath, char_u *ppath) |
| 7 | 417 { |
| 418 int i; | |
| 419 | |
| 420 if (num < 0 || num > 4 || (num > 0 && !dbpath)) | |
| 421 return FALSE; | |
| 422 | |
| 1931 | 423 for (i = 0; i < csinfo_size; i++) |
| 7 | 424 { |
| 425 if (!csinfo[i].fname) | |
| 426 continue; | |
| 427 | |
| 428 if (num == 0) | |
| 429 return TRUE; | |
| 430 | |
| 431 switch (num) | |
| 432 { | |
| 433 case 1: | |
| 434 if (strstr(csinfo[i].fname, (char *)dbpath)) | |
| 435 return TRUE; | |
| 436 break; | |
| 437 case 2: | |
| 438 if (strcmp(csinfo[i].fname, (char *)dbpath) == 0) | |
| 439 return TRUE; | |
| 440 break; | |
| 441 case 3: | |
| 442 if (strstr(csinfo[i].fname, (char *)dbpath) | |
| 443 && ((!ppath && !csinfo[i].ppath) | |
| 444 || (ppath | |
| 445 && csinfo[i].ppath | |
| 446 && strstr(csinfo[i].ppath, (char *)ppath)))) | |
| 447 return TRUE; | |
| 448 break; | |
| 449 case 4: | |
| 450 if ((strcmp(csinfo[i].fname, (char *)dbpath) == 0) | |
| 451 && ((!ppath && !csinfo[i].ppath) | |
| 452 || (ppath | |
| 453 && csinfo[i].ppath | |
| 454 && (strcmp(csinfo[i].ppath, (char *)ppath) == 0)))) | |
| 455 return TRUE; | |
| 456 break; | |
| 457 } | |
| 458 } | |
| 459 | |
| 460 return FALSE; | |
| 461 } /* cs_connection */ | |
| 462 #endif | |
| 463 | |
| 464 | |
| 465 /* | |
| 466 * PRIVATE functions | |
| 467 ****************************************************************************/ | |
| 468 | |
| 469 /* | |
| 470 * PRIVATE: cs_add | |
| 471 * | |
| 472 * add cscope database or a directory name (to look for cscope.out) | |
| 1372 | 473 * to the cscope connection list |
| 7 | 474 * |
| 475 * MAXPATHL 256 | |
| 476 */ | |
| 477 static int | |
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478 cs_add(exarg_T *eap UNUSED) |
| 7 | 479 { |
| 480 char *fname, *ppath, *flags = NULL; | |
| 481 | |
| 482 if ((fname = strtok((char *)NULL, (const char *)" ")) == NULL) | |
| 483 { | |
| 484 cs_usage_msg(Add); | |
| 485 return CSCOPE_FAILURE; | |
| 486 } | |
| 487 if ((ppath = strtok((char *)NULL, (const char *)" ")) != NULL) | |
| 488 flags = strtok((char *)NULL, (const char *)" "); | |
| 489 | |
| 490 return cs_add_common(fname, ppath, flags); | |
| 491 } | |
| 492 | |
| 493 static void | |
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494 cs_stat_emsg(char *fname) |
| 7 | 495 { |
| 496 char *stat_emsg = _("E563: stat(%s) error: %d"); | |
| 497 char *buf = (char *)alloc((unsigned)strlen(stat_emsg) + MAXPATHL + 10); | |
| 498 | |
| 499 if (buf != NULL) | |
| 500 { | |
| 501 (void)sprintf(buf, stat_emsg, fname, errno); | |
| 502 (void)EMSG(buf); | |
| 503 vim_free(buf); | |
| 504 } | |
| 505 else | |
| 506 (void)EMSG(_("E563: stat error")); | |
| 507 } | |
| 508 | |
| 509 | |
| 510 /* | |
| 511 * PRIVATE: cs_add_common | |
| 512 * | |
| 513 * the common routine to add a new cscope connection. called by | |
| 514 * cs_add() and cs_reset(). i really don't like to do this, but this | |
| 515 * routine uses a number of goto statements. | |
| 516 */ | |
| 517 static int | |
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518 cs_add_common( |
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519 char *arg1, /* filename - may contain environment variables */ |
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520 char *arg2, /* prepend path - may contain environment variables */ |
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521 char *flags) |
| 7 | 522 { |
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523 stat_T statbuf; |
| 12 | 524 int ret; |
| 525 char *fname = NULL; | |
| 526 char *fname2 = NULL; | |
| 527 char *ppath = NULL; | |
| 528 int i; | |
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529 #ifdef FEAT_MODIFY_FNAME |
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530 int len; |
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531 int usedlen = 0; |
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532 char_u *fbuf = NULL; |
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533 #endif |
| 7 | 534 |
| 535 /* get the filename (arg1), expand it, and try to stat it */ | |
| 12 | 536 if ((fname = (char *)alloc(MAXPATHL + 1)) == NULL) |
| 7 | 537 goto add_err; |
| 538 | |
| 539 expand_env((char_u *)arg1, (char_u *)fname, MAXPATHL); | |
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540 #ifdef FEAT_MODIFY_FNAME |
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541 len = (int)STRLEN(fname); |
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542 fbuf = (char_u *)fname; |
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543 (void)modify_fname((char_u *)":p", &usedlen, |
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544 (char_u **)&fname, &fbuf, &len); |
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545 if (fname == NULL) |
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546 goto add_err; |
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547 fname = (char *)vim_strnsave((char_u *)fname, len); |
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548 vim_free(fbuf); |
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549 #endif |
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changeset
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550 ret = mch_stat(fname, &statbuf); |
| 7 | 551 if (ret < 0) |
| 552 { | |
| 553 staterr: | |
| 554 if (p_csverbose) | |
| 555 cs_stat_emsg(fname); | |
| 556 goto add_err; | |
| 557 } | |
| 558 | |
| 559 /* get the prepend path (arg2), expand it, and try to stat it */ | |
| 560 if (arg2 != NULL) | |
| 561 { | |
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562 stat_T statbuf2; |
| 7 | 563 |
| 12 | 564 if ((ppath = (char *)alloc(MAXPATHL + 1)) == NULL) |
| 7 | 565 goto add_err; |
| 566 | |
| 567 expand_env((char_u *)arg2, (char_u *)ppath, MAXPATHL); | |
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changeset
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568 ret = mch_stat(ppath, &statbuf2); |
| 7 | 569 if (ret < 0) |
| 570 goto staterr; | |
| 571 } | |
| 572 | |
| 573 /* if filename is a directory, append the cscope database name to it */ | |
| 574 if ((statbuf.st_mode & S_IFMT) == S_IFDIR) | |
| 575 { | |
| 835 | 576 fname2 = (char *)alloc((unsigned)(strlen(CSCOPE_DBFILE) + strlen(fname) + 2)); |
| 7 | 577 if (fname2 == NULL) |
| 578 goto add_err; | |
| 579 | |
| 580 while (fname[strlen(fname)-1] == '/' | |
| 581 #ifdef WIN32 | |
| 582 || fname[strlen(fname)-1] == '\\' | |
| 583 #endif | |
| 584 ) | |
| 585 { | |
| 586 fname[strlen(fname)-1] = '\0'; | |
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587 if (fname[0] == '\0') |
| 7 | 588 break; |
| 589 } | |
| 590 if (fname[0] == '\0') | |
| 591 (void)sprintf(fname2, "/%s", CSCOPE_DBFILE); | |
| 592 else | |
| 593 (void)sprintf(fname2, "%s/%s", fname, CSCOPE_DBFILE); | |
| 594 | |
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595 ret = mch_stat(fname2, &statbuf); |
| 7 | 596 if (ret < 0) |
| 597 { | |
| 598 if (p_csverbose) | |
| 599 cs_stat_emsg(fname2); | |
| 600 goto add_err; | |
| 601 } | |
| 602 | |
| 603 i = cs_insert_filelist(fname2, ppath, flags, &statbuf); | |
| 604 } | |
| 605 #if defined(UNIX) | |
| 606 else if (S_ISREG(statbuf.st_mode) || S_ISLNK(statbuf.st_mode)) | |
| 607 #else | |
| 1385 | 608 /* WIN32 - substitute define S_ISREG from os_unix.h */ |
| 7 | 609 else if (((statbuf.st_mode) & S_IFMT) == S_IFREG) |
| 610 #endif | |
| 611 { | |
| 612 i = cs_insert_filelist(fname, ppath, flags, &statbuf); | |
| 613 } | |
| 614 else | |
| 615 { | |
| 616 if (p_csverbose) | |
| 617 (void)EMSG2( | |
| 618 _("E564: %s is not a directory or a valid cscope database"), | |
| 619 fname); | |
| 620 goto add_err; | |
| 621 } | |
| 622 | |
| 623 if (i != -1) | |
| 624 { | |
| 625 if (cs_create_connection(i) == CSCOPE_FAILURE | |
| 626 || cs_read_prompt(i) == CSCOPE_FAILURE) | |
| 627 { | |
| 628 cs_release_csp(i, TRUE); | |
| 629 goto add_err; | |
| 630 } | |
| 631 | |
| 632 if (p_csverbose) | |
| 633 { | |
| 634 msg_clr_eos(); | |
| 635 (void)smsg_attr(hl_attr(HLF_R), | |
| 636 (char_u *)_("Added cscope database %s"), | |
| 637 csinfo[i].fname); | |
| 638 } | |
| 639 } | |
| 640 | |
| 641 vim_free(fname); | |
| 642 vim_free(fname2); | |
| 643 vim_free(ppath); | |
| 644 return CSCOPE_SUCCESS; | |
| 645 | |
| 646 add_err: | |
| 647 vim_free(fname2); | |
| 648 vim_free(fname); | |
| 649 vim_free(ppath); | |
| 650 return CSCOPE_FAILURE; | |
| 651 } /* cs_add_common */ | |
| 652 | |
| 653 | |
| 654 static int | |
|
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655 cs_check_for_connections(void) |
| 7 | 656 { |
| 657 return (cs_cnt_connections() > 0); | |
| 658 } /* cs_check_for_connections */ | |
| 659 | |
| 660 | |
| 661 static int | |
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662 cs_check_for_tags(void) |
| 7 | 663 { |
| 301 | 664 return (p_tags[0] != NUL && curbuf->b_p_tags != NULL); |
| 7 | 665 } /* cs_check_for_tags */ |
| 666 | |
| 667 | |
| 668 /* | |
| 669 * PRIVATE: cs_cnt_connections | |
| 670 * | |
| 671 * count the number of cscope connections | |
| 672 */ | |
| 673 static int | |
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commit https://github.com/vim/vim/commit/68c2f638e65d914dc6e84eb7ce2624f08af525c0
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parents:
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diff
changeset
|
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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commit https://github.com/vim/vim/commit/68c2f638e65d914dc6e84eb7ce2624f08af525c0
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diff
changeset
|
688 cs_reading_emsg( |
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bcef391c101c
commit https://github.com/vim/vim/commit/68c2f638e65d914dc6e84eb7ce2624f08af525c0
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
689 int idx) /* connection index */ |
| 7 | 690 { |
| 691 EMSGN(_("E262: error reading cscope connection %ld"), idx); | |
| 692 } | |
| 693 | |
| 694 #define CSREAD_BUFSIZE 2048 | |
| 695 /* | |
| 696 * PRIVATE: cs_cnt_matches | |
| 697 * | |
| 698 * count the number of matches for a given cscope connection. | |
| 699 */ | |
| 700 static int | |
|
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commit https://github.com/vim/vim/commit/68c2f638e65d914dc6e84eb7ce2624f08af525c0
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diff
changeset
|
701 cs_cnt_matches(int idx) |
| 7 | 702 { |
| 703 char *stok; | |
| 704 char *buf; | |
| 705 int nlines; | |
| 706 | |
| 707 buf = (char *)alloc(CSREAD_BUFSIZE); | |
| 708 if (buf == NULL) | |
| 709 return 0; | |
| 710 for (;;) | |
| 711 { | |
| 712 if (!fgets(buf, CSREAD_BUFSIZE, csinfo[idx].fr_fp)) | |
| 713 { | |
| 714 if (feof(csinfo[idx].fr_fp)) | |
| 715 errno = EIO; | |
| 716 | |
| 717 cs_reading_emsg(idx); | |
| 718 | |
| 719 vim_free(buf); | |
| 720 return -1; | |
| 721 } | |
| 722 | |
| 723 /* | |
| 724 * If the database is out of date, or there's some other problem, | |
| 725 * cscope will output error messages before the number-of-lines output. | |
| 726 * Display/discard any output that doesn't match what we want. | |
| 1058 | 727 * Accept "\S*cscope: X lines", also matches "mlcscope". |
| 7 | 728 */ |
| 729 if ((stok = strtok(buf, (const char *)" ")) == NULL) | |
| 730 continue; | |
| 1058 | 731 if (strstr((const char *)stok, "cscope:") == NULL) |
| 7 | 732 continue; |
| 733 | |
| 734 if ((stok = strtok(NULL, (const char *)" ")) == NULL) | |
| 735 continue; | |
| 736 nlines = atoi(stok); | |
| 737 if (nlines < 0) | |
| 738 { | |
| 739 nlines = 0; | |
| 740 break; | |
| 741 } | |
| 742 | |
| 743 if ((stok = strtok(NULL, (const char *)" ")) == NULL) | |
| 744 continue; | |
| 745 if (strncmp((const char *)stok, "lines", 5)) | |
| 746 continue; | |
| 747 | |
| 748 break; | |
| 749 } | |
| 750 | |
| 751 vim_free(buf); | |
| 752 return nlines; | |
| 753 } /* cs_cnt_matches */ | |
| 754 | |
| 755 | |
| 756 /* | |
| 757 * PRIVATE: cs_create_cmd | |
| 758 * | |
| 759 * Creates the actual cscope command query from what the user entered. | |
| 760 */ | |
| 761 static char * | |
|
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762 cs_create_cmd(char *csoption, char *pattern) |
| 7 | 763 { |
| 764 char *cmd; | |
| 765 short search; | |
| 1847 | 766 char *pat; |
| 7 | 767 |
| 768 switch (csoption[0]) | |
| 769 { | |
| 770 case '0' : case 's' : | |
| 771 search = 0; | |
| 772 break; | |
| 773 case '1' : case 'g' : | |
| 774 search = 1; | |
| 775 break; | |
| 776 case '2' : case 'd' : | |
| 777 search = 2; | |
| 778 break; | |
| 779 case '3' : case 'c' : | |
| 780 search = 3; | |
| 781 break; | |
| 782 case '4' : case 't' : | |
| 783 search = 4; | |
| 784 break; | |
| 785 case '6' : case 'e' : | |
| 786 search = 6; | |
| 787 break; | |
| 788 case '7' : case 'f' : | |
| 789 search = 7; | |
| 790 break; | |
| 791 case '8' : case 'i' : | |
| 792 search = 8; | |
| 793 break; | |
|
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794 case '9' : case 'a' : |
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commit https://github.com/vim/vim/commit/b12e7ef956e0b0344778b7ef93d41f4b4ed2a670
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795 search = 9; |
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387cd517939f
commit https://github.com/vim/vim/commit/b12e7ef956e0b0344778b7ef93d41f4b4ed2a670
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796 break; |
| 7 | 797 default : |
| 798 (void)EMSG(_("E561: unknown cscope search type")); | |
| 799 cs_usage_msg(Find); | |
| 800 return NULL; | |
| 801 } | |
| 802 | |
| 1847 | 803 /* Skip white space before the patter, except for text and pattern search, |
| 804 * they may want to use the leading white space. */ | |
| 805 pat = pattern; | |
| 806 if (search != 4 && search != 6) | |
| 807 while vim_iswhite(*pat) | |
| 808 ++pat; | |
| 809 | |
| 810 if ((cmd = (char *)alloc((unsigned)(strlen(pat) + 2))) == NULL) | |
| 7 | 811 return NULL; |
| 812 | |
| 1847 | 813 (void)sprintf(cmd, "%d%s", search, pat); |
| 7 | 814 |
| 815 return cmd; | |
| 816 } /* cs_create_cmd */ | |
| 817 | |
| 818 | |
| 819 /* | |
| 820 * PRIVATE: cs_create_connection | |
| 821 * | |
| 822 * This piece of code was taken/adapted from nvi. do we need to add | |
| 823 * the BSD license notice? | |
| 824 */ | |
| 825 static int | |
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diff
changeset
|
826 cs_create_connection(int i) |
| 7 | 827 { |
| 1385 | 828 #ifdef UNIX |
| 829 int to_cs[2], from_cs[2]; | |
| 830 #endif | |
| 831 int len; | |
| 832 char *prog, *cmd, *ppath = NULL; | |
| 833 #ifdef WIN32 | |
| 834 int fd; | |
| 835 SECURITY_ATTRIBUTES sa; | |
| 836 PROCESS_INFORMATION pi; | |
| 837 STARTUPINFO si; | |
| 838 BOOL pipe_stdin = FALSE, pipe_stdout = FALSE; | |
| 839 HANDLE stdin_rd, stdout_rd; | |
| 840 HANDLE stdout_wr, stdin_wr; | |
| 841 BOOL created; | |
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842 # if (defined(_MSC_VER) && (_MSC_VER >= 1300)) || defined(__MINGW32__) |
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c036c0f636d5
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843 # define OPEN_OH_ARGTYPE intptr_t |
| 1393 | 844 # else |
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845 # define OPEN_OH_ARGTYPE long |
| 1393 | 846 # endif |
| 7 | 847 #endif |
| 848 | |
| 1385 | 849 #if defined(UNIX) |
| 7 | 850 /* |
| 851 * Cscope reads from to_cs[0] and writes to from_cs[1]; vi reads from | |
| 852 * from_cs[0] and writes to to_cs[1]. | |
| 853 */ | |
| 854 to_cs[0] = to_cs[1] = from_cs[0] = from_cs[1] = -1; | |
| 855 if (pipe(to_cs) < 0 || pipe(from_cs) < 0) | |
| 856 { | |
| 857 (void)EMSG(_("E566: Could not create cscope pipes")); | |
| 858 err_closing: | |
| 859 if (to_cs[0] != -1) | |
| 860 (void)close(to_cs[0]); | |
| 861 if (to_cs[1] != -1) | |
| 862 (void)close(to_cs[1]); | |
| 863 if (from_cs[0] != -1) | |
| 864 (void)close(from_cs[0]); | |
| 865 if (from_cs[1] != -1) | |
| 866 (void)close(from_cs[1]); | |
| 867 return CSCOPE_FAILURE; | |
| 868 } | |
| 869 | |
| 870 switch (csinfo[i].pid = fork()) | |
| 871 { | |
| 872 case -1: | |
| 873 (void)EMSG(_("E622: Could not fork for cscope")); | |
| 874 goto err_closing; | |
| 875 case 0: /* child: run cscope. */ | |
| 876 if (dup2(to_cs[0], STDIN_FILENO) == -1) | |
| 877 PERROR("cs_create_connection 1"); | |
| 878 if (dup2(from_cs[1], STDOUT_FILENO) == -1) | |
| 879 PERROR("cs_create_connection 2"); | |
| 880 if (dup2(from_cs[1], STDERR_FILENO) == -1) | |
| 881 PERROR("cs_create_connection 3"); | |
| 882 | |
| 883 /* close unused */ | |
| 884 (void)close(to_cs[1]); | |
| 885 (void)close(from_cs[0]); | |
| 886 #else | |
| 1385 | 887 /* WIN32 */ |
| 888 /* Create pipes to communicate with cscope */ | |
| 889 sa.nLength = sizeof(SECURITY_ATTRIBUTES); | |
| 890 sa.bInheritHandle = TRUE; | |
| 891 sa.lpSecurityDescriptor = NULL; | |
| 892 | |
| 893 if (!(pipe_stdin = CreatePipe(&stdin_rd, &stdin_wr, &sa, 0)) | |
| 894 || !(pipe_stdout = CreatePipe(&stdout_rd, &stdout_wr, &sa, 0))) | |
| 895 { | |
| 896 (void)EMSG(_("E566: Could not create cscope pipes")); | |
| 897 err_closing: | |
| 898 if (pipe_stdin) | |
| 899 { | |
| 900 CloseHandle(stdin_rd); | |
| 901 CloseHandle(stdin_wr); | |
| 902 } | |
| 903 if (pipe_stdout) | |
| 904 { | |
| 905 CloseHandle(stdout_rd); | |
| 906 CloseHandle(stdout_wr); | |
| 907 } | |
| 908 return CSCOPE_FAILURE; | |
| 909 } | |
| 7 | 910 #endif |
| 911 /* expand the cscope exec for env var's */ | |
| 912 if ((prog = (char *)alloc(MAXPATHL + 1)) == NULL) | |
| 913 { | |
| 914 #ifdef UNIX | |
| 915 return CSCOPE_FAILURE; | |
| 916 #else | |
| 1385 | 917 /* WIN32 */ |
| 7 | 918 goto err_closing; |
| 919 #endif | |
| 920 } | |
| 921 expand_env((char_u *)p_csprg, (char_u *)prog, MAXPATHL); | |
| 922 | |
| 923 /* alloc space to hold the cscope command */ | |
| 835 | 924 len = (int)(strlen(prog) + strlen(csinfo[i].fname) + 32); |
| 7 | 925 if (csinfo[i].ppath) |
| 926 { | |
| 927 /* expand the prepend path for env var's */ | |
| 928 if ((ppath = (char *)alloc(MAXPATHL + 1)) == NULL) | |
| 929 { | |
| 930 vim_free(prog); | |
| 931 #ifdef UNIX | |
| 932 return CSCOPE_FAILURE; | |
| 933 #else | |
| 1385 | 934 /* WIN32 */ |
| 7 | 935 goto err_closing; |
| 936 #endif | |
| 937 } | |
| 938 expand_env((char_u *)csinfo[i].ppath, (char_u *)ppath, MAXPATHL); | |
| 939 | |
| 835 | 940 len += (int)strlen(ppath); |
| 7 | 941 } |
| 942 | |
| 943 if (csinfo[i].flags) | |
| 835 | 944 len += (int)strlen(csinfo[i].flags); |
| 7 | 945 |
| 946 if ((cmd = (char *)alloc(len)) == NULL) | |
| 947 { | |
| 948 vim_free(prog); | |
| 949 vim_free(ppath); | |
| 950 #ifdef UNIX | |
| 951 return CSCOPE_FAILURE; | |
| 952 #else | |
| 1385 | 953 /* WIN32 */ |
| 7 | 954 goto err_closing; |
| 955 #endif | |
| 956 } | |
| 957 | |
| 958 /* run the cscope command; is there execl for non-unix systems? */ | |
| 959 #if defined(UNIX) | |
| 960 (void)sprintf(cmd, "exec %s -dl -f %s", prog, csinfo[i].fname); | |
| 961 #else | |
| 1385 | 962 /* WIN32 */ |
| 7 | 963 (void)sprintf(cmd, "%s -dl -f %s", prog, csinfo[i].fname); |
| 964 #endif | |
| 965 if (csinfo[i].ppath != NULL) | |
| 966 { | |
| 967 (void)strcat(cmd, " -P"); | |
| 968 (void)strcat(cmd, csinfo[i].ppath); | |
| 969 } | |
| 970 if (csinfo[i].flags != NULL) | |
| 971 { | |
| 972 (void)strcat(cmd, " "); | |
| 973 (void)strcat(cmd, csinfo[i].flags); | |
| 974 } | |
| 975 # ifdef UNIX | |
| 976 /* on Win32 we still need prog */ | |
| 977 vim_free(prog); | |
| 978 # endif | |
| 979 vim_free(ppath); | |
| 980 | |
| 981 #if defined(UNIX) | |
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982 # if defined(HAVE_SETSID) || defined(HAVE_SETPGID) |
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983 /* Change our process group to avoid cscope receiving SIGWINCH. */ |
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984 # if defined(HAVE_SETSID) |
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985 (void)setsid(); |
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986 # else |
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987 if (setpgid(0, 0) == -1) |
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988 PERROR(_("cs_create_connection setpgid failed")); |
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989 # endif |
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990 # endif |
| 1878 | 991 if (execl("/bin/sh", "sh", "-c", cmd, (char *)NULL) == -1) |
| 7 | 992 PERROR(_("cs_create_connection exec failed")); |
| 993 | |
| 994 exit(127); | |
| 995 /* NOTREACHED */ | |
| 996 default: /* parent. */ | |
| 997 /* | |
| 998 * Save the file descriptors for later duplication, and | |
| 999 * reopen as streams. | |
| 1000 */ | |
| 1001 if ((csinfo[i].to_fp = fdopen(to_cs[1], "w")) == NULL) | |
| 1002 PERROR(_("cs_create_connection: fdopen for to_fp failed")); | |
| 1003 if ((csinfo[i].fr_fp = fdopen(from_cs[0], "r")) == NULL) | |
| 1004 PERROR(_("cs_create_connection: fdopen for fr_fp failed")); | |
| 1005 | |
| 1006 /* close unused */ | |
| 1007 (void)close(to_cs[0]); | |
| 1008 (void)close(from_cs[1]); | |
| 1009 | |
| 1010 break; | |
| 1011 } | |
| 1385 | 1012 |
| 7 | 1013 #else |
| 1385 | 1014 /* WIN32 */ |
| 1015 /* Create a new process to run cscope and use pipes to talk with it */ | |
| 1016 GetStartupInfo(&si); | |
| 1017 si.dwFlags = STARTF_USESTDHANDLES | STARTF_USESHOWWINDOW; | |
| 1018 si.wShowWindow = SW_HIDE; /* Hide child application window */ | |
| 1019 si.hStdOutput = stdout_wr; | |
| 1020 si.hStdError = stdout_wr; | |
| 1021 si.hStdInput = stdin_rd; | |
| 1022 created = CreateProcess(NULL, cmd, NULL, NULL, TRUE, CREATE_NEW_CONSOLE, | |
| 1023 NULL, NULL, &si, &pi); | |
| 1024 vim_free(prog); | |
| 1025 vim_free(cmd); | |
| 1026 | |
| 1027 if (!created) | |
| 1028 { | |
| 1029 PERROR(_("cs_create_connection exec failed")); | |
| 1030 (void)EMSG(_("E623: Could not spawn cscope process")); | |
| 1031 goto err_closing; | |
| 1032 } | |
| 1033 /* else */ | |
| 1034 csinfo[i].pid = pi.dwProcessId; | |
| 1035 csinfo[i].hProc = pi.hProcess; | |
| 1036 CloseHandle(pi.hThread); | |
| 1037 | |
| 1038 /* TODO - tidy up after failure to create files on pipe handles. */ | |
| 1393 | 1039 if (((fd = _open_osfhandle((OPEN_OH_ARGTYPE)stdin_wr, |
| 1040 _O_TEXT|_O_APPEND)) < 0) | |
| 1385 | 1041 || ((csinfo[i].to_fp = _fdopen(fd, "w")) == NULL)) |
| 1042 PERROR(_("cs_create_connection: fdopen for to_fp failed")); | |
| 1393 | 1043 if (((fd = _open_osfhandle((OPEN_OH_ARGTYPE)stdout_rd, |
| 1044 _O_TEXT|_O_RDONLY)) < 0) | |
| 1385 | 1045 || ((csinfo[i].fr_fp = _fdopen(fd, "r")) == NULL)) |
| 1046 PERROR(_("cs_create_connection: fdopen for fr_fp failed")); | |
| 1047 | |
| 1048 /* Close handles for file descriptors inherited by the cscope process */ | |
| 1049 CloseHandle(stdin_rd); | |
| 1050 CloseHandle(stdout_wr); | |
| 1051 | |
| 1052 #endif /* !UNIX */ | |
| 1053 | |
| 7 | 1054 return CSCOPE_SUCCESS; |
| 1055 } /* cs_create_connection */ | |
| 1056 | |
| 1057 | |
| 1058 /* | |
| 1059 * PRIVATE: cs_find | |
| 1060 * | |
| 7009 | 1061 * Query cscope using command line interface. Parse the output and use tselect |
| 1062 * to allow choices. Like Nvi, creates a pipe to send to/from query/cscope. | |
| 7 | 1063 * |
| 1064 * returns TRUE if we jump to a tag or abort, FALSE if not. | |
| 1065 */ | |
| 1066 static int | |
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1067 cs_find(exarg_T *eap) |
| 7 | 1068 { |
| 1069 char *opt, *pat; | |
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1070 int i; |
| 7 | 1071 |
| 1072 if (cs_check_for_connections() == FALSE) | |
| 1073 { | |
| 1074 (void)EMSG(_("E567: no cscope connections")); | |
| 1075 return FALSE; | |
| 1076 } | |
| 1077 | |
| 1078 if ((opt = strtok((char *)NULL, (const char *)" ")) == NULL) | |
| 1079 { | |
| 1080 cs_usage_msg(Find); | |
| 1081 return FALSE; | |
| 1082 } | |
| 1083 | |
| 1084 pat = opt + strlen(opt) + 1; | |
| 1372 | 1085 if (pat >= (char *)eap->arg + eap_arg_len) |
| 7 | 1086 { |
| 1087 cs_usage_msg(Find); | |
| 1088 return FALSE; | |
| 1089 } | |
| 1090 | |
|
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1091 /* |
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1092 * Let's replace the NULs written by strtok() with spaces - we need the |
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1093 * spaces to correctly display the quickfix/location list window's title. |
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1094 */ |
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1095 for (i = 0; i < eap_arg_len; ++i) |
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|
1096 if (NUL == eap->arg[i]) |
|
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1097 eap->arg[i] = ' '; |
|
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1098 |
| 665 | 1099 return cs_find_common(opt, pat, eap->forceit, TRUE, |
|
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1100 eap->cmdidx == CMD_lcscope, *eap->cmdlinep); |
| 7 | 1101 } /* cs_find */ |
| 1102 | |
| 1103 | |
| 1104 /* | |
| 1105 * PRIVATE: cs_find_common | |
| 1106 * | |
| 1107 * common code for cscope find, shared by cs_find() and do_cstag() | |
| 1108 */ | |
| 1109 static int | |
|
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1110 cs_find_common( |
|
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1111 char *opt, |
|
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1112 char *pat, |
|
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1113 int forceit, |
|
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1114 int verbose, |
|
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1115 int use_ll UNUSED, |
|
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1116 char_u *cmdline UNUSED) |
| 7 | 1117 { |
| 1118 int i; | |
| 1119 char *cmd; | |
| 1931 | 1120 int *nummatches; |
| 1121 int totmatches; | |
| 7 | 1122 #ifdef FEAT_QUICKFIX |
| 1123 char cmdletter; | |
| 1124 char *qfpos; | |
|
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1125 |
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1126 /* get cmd letter */ |
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1127 switch (opt[0]) |
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1128 { |
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1129 case '0' : |
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1130 cmdletter = 's'; |
|
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1131 break; |
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1132 case '1' : |
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1133 cmdletter = 'g'; |
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1134 break; |
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1135 case '2' : |
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1136 cmdletter = 'd'; |
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1137 break; |
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1138 case '3' : |
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1139 cmdletter = 'c'; |
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1140 break; |
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1141 case '4' : |
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1142 cmdletter = 't'; |
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1143 break; |
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1144 case '6' : |
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1145 cmdletter = 'e'; |
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1146 break; |
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1147 case '7' : |
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1148 cmdletter = 'f'; |
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1149 break; |
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1150 case '8' : |
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1151 cmdletter = 'i'; |
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1152 break; |
|
9340
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1153 case '9' : |
|
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1154 cmdletter = 'a'; |
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1155 break; |
|
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1156 default : |
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1157 cmdletter = opt[0]; |
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1158 } |
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1159 |
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1160 qfpos = (char *)vim_strchr(p_csqf, cmdletter); |
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1161 if (qfpos != NULL) |
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1162 { |
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1163 qfpos++; |
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1164 /* next symbol must be + or - */ |
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1165 if (strchr(CSQF_FLAGS, *qfpos) == NULL) |
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1166 { |
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1167 char *nf = _("E469: invalid cscopequickfix flag %c for %c"); |
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1168 char *buf = (char *)alloc((unsigned)strlen(nf)); |
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1169 |
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1170 /* strlen will be enough because we use chars */ |
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1171 if (buf != NULL) |
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1172 { |
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1173 sprintf(buf, nf, *qfpos, *(qfpos-1)); |
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1174 (void)EMSG(buf); |
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1175 vim_free(buf); |
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1176 } |
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1177 return FALSE; |
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1178 } |
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1179 |
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1180 # ifdef FEAT_AUTOCMD |
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1181 if (*qfpos != '0' |
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1182 && apply_autocmds(EVENT_QUICKFIXCMDPRE, (char_u *)"cscope", |
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1183 curbuf->b_fname, TRUE, curbuf)) |
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1184 { |
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1185 # ifdef FEAT_EVAL |
|
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1186 if (aborting()) |
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1187 return FALSE; |
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1188 # endif |
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1189 } |
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1190 # endif |
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1191 } |
| 7 | 1192 #endif |
| 1193 | |
| 1194 /* create the actual command to send to cscope */ | |
| 1195 cmd = cs_create_cmd(opt, pat); | |
| 1196 if (cmd == NULL) | |
| 1197 return FALSE; | |
| 1198 | |
| 1931 | 1199 nummatches = (int *)alloc(sizeof(int)*csinfo_size); |
| 1200 if (nummatches == NULL) | |
| 7009 | 1201 { |
| 1202 vim_free(cmd); | |
| 1931 | 1203 return FALSE; |
| 7009 | 1204 } |
| 1931 | 1205 |
| 4352 | 1206 /* Send query to all open connections, then count the total number |
| 1207 * of matches so we can alloc all in one swell foop. */ | |
| 1931 | 1208 for (i = 0; i < csinfo_size; i++) |
| 7 | 1209 nummatches[i] = 0; |
| 1210 totmatches = 0; | |
| 1931 | 1211 for (i = 0; i < csinfo_size; i++) |
| 7 | 1212 { |
| 1040 | 1213 if (csinfo[i].fname == NULL || csinfo[i].to_fp == NULL) |
| 7 | 1214 continue; |
| 1215 | |
| 1216 /* send cmd to cscope */ | |
| 1217 (void)fprintf(csinfo[i].to_fp, "%s\n", cmd); | |
| 1218 (void)fflush(csinfo[i].to_fp); | |
| 1219 | |
| 1220 nummatches[i] = cs_cnt_matches(i); | |
| 1221 | |
| 1222 if (nummatches[i] > -1) | |
| 1223 totmatches += nummatches[i]; | |
| 1224 | |
| 1225 if (nummatches[i] == 0) | |
| 1226 (void)cs_read_prompt(i); | |
| 1227 } | |
| 1228 vim_free(cmd); | |
| 1229 | |
| 1230 if (totmatches == 0) | |
| 1231 { | |
| 1232 char *nf = _("E259: no matches found for cscope query %s of %s"); | |
| 1233 char *buf; | |
| 1234 | |
| 1235 if (!verbose) | |
| 1931 | 1236 { |
| 1237 vim_free(nummatches); | |
| 7 | 1238 return FALSE; |
| 1931 | 1239 } |
| 7 | 1240 |
| 835 | 1241 buf = (char *)alloc((unsigned)(strlen(opt) + strlen(pat) + strlen(nf))); |
| 7 | 1242 if (buf == NULL) |
| 1243 (void)EMSG(nf); | |
| 1244 else | |
| 1245 { | |
| 1246 sprintf(buf, nf, opt, pat); | |
| 1247 (void)EMSG(buf); | |
| 1248 vim_free(buf); | |
| 1249 } | |
| 1931 | 1250 vim_free(nummatches); |
| 7 | 1251 return FALSE; |
| 1252 } | |
| 1253 | |
| 1254 #ifdef FEAT_QUICKFIX | |
| 36 | 1255 if (qfpos != NULL && *qfpos != '0' && totmatches > 0) |
| 7 | 1256 { |
| 1257 /* fill error list */ | |
| 1027 | 1258 FILE *f; |
| 6721 | 1259 char_u *tmp = vim_tempname('c', TRUE); |
| 665 | 1260 qf_info_T *qi = NULL; |
| 1261 win_T *wp = NULL; | |
| 7 | 1262 |
| 531 | 1263 f = mch_fopen((char *)tmp, "w"); |
| 1027 | 1264 if (f == NULL) |
| 1265 EMSG2(_(e_notopen), tmp); | |
| 1266 else | |
| 7 | 1267 { |
| 1027 | 1268 cs_file_results(f, nummatches); |
| 1269 fclose(f); | |
| 1270 if (use_ll) /* Use location list */ | |
| 1271 wp = curwin; | |
| 1272 /* '-' starts a new error list */ | |
| 1273 if (qf_init(wp, tmp, (char_u *)"%f%*\\t%l%*\\t%m", | |
|
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1274 *qfpos == '-', cmdline) > 0) |
| 1027 | 1275 { |
| 7 | 1276 # ifdef FEAT_WINDOWS |
| 1027 | 1277 if (postponed_split != 0) |
| 1278 { | |
| 7009 | 1279 (void)win_split(postponed_split > 0 ? postponed_split : 0, |
| 7 | 1280 postponed_split_flags); |
| 2583 | 1281 RESET_BINDING(curwin); |
| 1027 | 1282 postponed_split = 0; |
| 1283 } | |
| 7 | 1284 # endif |
|
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1285 |
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1286 # ifdef FEAT_AUTOCMD |
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1287 apply_autocmds(EVENT_QUICKFIXCMDPOST, (char_u *)"cscope", |
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1288 curbuf->b_fname, TRUE, curbuf); |
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1289 # endif |
| 1027 | 1290 if (use_ll) |
| 1291 /* | |
| 1292 * In the location list window, use the displayed location | |
| 1293 * list. Otherwise, use the location list for the window. | |
| 1294 */ | |
| 1295 qi = (bt_quickfix(wp->w_buffer) && wp->w_llist_ref != NULL) | |
| 1296 ? wp->w_llist_ref : wp->w_llist; | |
| 1297 qf_jump(qi, 0, 0, forceit); | |
| 1298 } | |
| 7 | 1299 } |
| 1300 mch_remove(tmp); | |
| 1301 vim_free(tmp); | |
| 1931 | 1302 vim_free(nummatches); |
| 7 | 1303 return TRUE; |
| 1304 } | |
| 1305 else | |
| 1306 #endif /* FEAT_QUICKFIX */ | |
| 1307 { | |
| 944 | 1308 char **matches = NULL, **contexts = NULL; |
| 1309 int matched = 0; | |
| 1310 | |
| 7 | 1311 /* read output */ |
| 1312 cs_fill_results((char *)pat, totmatches, nummatches, &matches, | |
| 1313 &contexts, &matched); | |
| 1931 | 1314 vim_free(nummatches); |
| 7 | 1315 if (matches == NULL) |
| 1316 return FALSE; | |
| 1317 | |
| 293 | 1318 (void)cs_manage_matches(matches, contexts, matched, Store); |
| 7 | 1319 |
| 1320 return do_tag((char_u *)pat, DT_CSCOPE, 0, forceit, verbose); | |
| 1321 } | |
| 1322 | |
| 1323 } /* cs_find_common */ | |
| 1324 | |
| 1325 /* | |
| 1326 * PRIVATE: cs_help | |
| 1327 * | |
| 1328 * print help | |
| 1329 */ | |
| 1330 static int | |
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1331 cs_help(exarg_T *eap UNUSED) |
| 7 | 1332 { |
| 1333 cscmd_T *cmdp = cs_cmds; | |
| 1334 | |
| 1335 (void)MSG_PUTS(_("cscope commands:\n")); | |
| 1336 while (cmdp->name != NULL) | |
| 1337 { | |
| 1793 | 1338 char *help = _(cmdp->help); |
| 1339 int space_cnt = 30 - vim_strsize((char_u *)help); | |
| 1340 | |
| 1341 /* Use %*s rather than %30s to ensure proper alignment in utf-8 */ | |
| 1342 if (space_cnt < 0) | |
| 1343 space_cnt = 0; | |
| 1344 (void)smsg((char_u *)_("%-5s: %s%*s (Usage: %s)"), | |
| 1345 cmdp->name, | |
| 1346 help, space_cnt, " ", | |
| 1347 cmdp->usage); | |
| 7 | 1348 if (strcmp(cmdp->name, "find") == 0) |
| 1706 | 1349 MSG_PUTS(_("\n" |
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1350 " a: Find assignments to this symbol\n" |
| 1706 | 1351 " c: Find functions calling this function\n" |
| 1352 " d: Find functions called by this function\n" | |
| 1353 " e: Find this egrep pattern\n" | |
| 1354 " f: Find this file\n" | |
| 1355 " g: Find this definition\n" | |
| 1356 " i: Find files #including this file\n" | |
| 1357 " s: Find this C symbol\n" | |
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1358 " t: Find this text string\n")); |
| 1706 | 1359 |
| 7 | 1360 cmdp++; |
| 1361 } | |
| 1362 | |
| 1363 wait_return(TRUE); | |
| 1364 return 0; | |
| 1365 } /* cs_help */ | |
| 1366 | |
| 1367 | |
| 1368 static void | |
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1369 clear_csinfo(int i) |
| 7 | 1370 { |
| 1371 csinfo[i].fname = NULL; | |
| 1372 csinfo[i].ppath = NULL; | |
| 1373 csinfo[i].flags = NULL; | |
| 1374 #if defined(UNIX) | |
| 1375 csinfo[i].st_dev = (dev_t)0; | |
| 1376 csinfo[i].st_ino = (ino_t)0; | |
| 1377 #else | |
| 1378 csinfo[i].nVolume = 0; | |
| 1379 csinfo[i].nIndexHigh = 0; | |
| 1380 csinfo[i].nIndexLow = 0; | |
| 1381 #endif | |
| 1621 | 1382 csinfo[i].pid = 0; |
| 7 | 1383 csinfo[i].fr_fp = NULL; |
| 1384 csinfo[i].to_fp = NULL; | |
| 301 | 1385 #if defined(WIN32) |
| 1386 csinfo[i].hProc = NULL; | |
| 1387 #endif | |
| 7 | 1388 } |
| 1389 | |
| 1390 #ifndef UNIX | |
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1391 static char *GetWin32Error(void); |
| 7 | 1392 |
| 1393 static char * | |
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1394 GetWin32Error(void) |
| 7 | 1395 { |
| 1396 char *msg = NULL; | |
| 1397 FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER|FORMAT_MESSAGE_FROM_SYSTEM, | |
| 1398 NULL, GetLastError(), 0, (LPSTR)&msg, 0, NULL); | |
| 1399 if (msg != NULL) | |
| 1400 { | |
| 1401 /* remove trailing \r\n */ | |
| 1402 char *pcrlf = strstr(msg, "\r\n"); | |
| 1403 if (pcrlf != NULL) | |
| 1404 *pcrlf = '\0'; | |
| 1405 } | |
| 1406 return msg; | |
| 1407 } | |
| 1408 #endif | |
| 323 | 1409 |
| 7 | 1410 /* |
| 1411 * PRIVATE: cs_insert_filelist | |
| 1412 * | |
| 1413 * insert a new cscope database filename into the filelist | |
| 1414 */ | |
| 1415 static int | |
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1416 cs_insert_filelist( |
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1417 char *fname, |
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1418 char *ppath, |
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1419 char *flags, |
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1420 stat_T *sb UNUSED) |
| 7 | 1421 { |
| 1422 short i, j; | |
| 1423 #ifndef UNIX | |
| 1424 BY_HANDLE_FILE_INFORMATION bhfi; | |
| 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 #endif | |
| 1452 | |
| 1453 i = -1; /* can be set to the index of an empty item in csinfo */ | |
| 1931 | 1454 for (j = 0; j < csinfo_size; j++) |
| 7 | 1455 { |
| 1456 if (csinfo[j].fname != NULL | |
| 1457 #if defined(UNIX) | |
| 1458 && csinfo[j].st_dev == sb->st_dev && csinfo[j].st_ino == sb->st_ino | |
| 1459 #else | |
| 1460 /* compare pathnames first */ | |
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1461 && ((fullpathcmp((char_u *)csinfo[j].fname, |
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1462 (char_u *)fname, FALSE) & FPC_SAME) |
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1463 /* test index file attributes too */ |
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1464 || (csinfo[j].nVolume == bhfi.dwVolumeSerialNumber |
| 7 | 1465 && csinfo[j].nIndexHigh == bhfi.nFileIndexHigh |
| 1466 && csinfo[j].nIndexLow == bhfi.nFileIndexLow)) | |
| 1467 #endif | |
| 1468 ) | |
| 1469 { | |
| 1470 if (p_csverbose) | |
| 1471 (void)EMSG(_("E568: duplicate cscope database not added")); | |
| 1472 return -1; | |
| 1473 } | |
| 1474 | |
| 1475 if (csinfo[j].fname == NULL && i == -1) | |
| 1476 i = j; /* remember first empty entry */ | |
| 1477 } | |
| 1478 | |
| 1479 if (i == -1) | |
| 1480 { | |
| 1931 | 1481 i = csinfo_size; |
| 1482 if (csinfo_size == 0) | |
| 1483 { | |
| 1484 /* First time allocation: allocate only 1 connection. It should | |
| 1485 * be enough for most users. If more is needed, csinfo will be | |
| 1486 * reallocated. */ | |
| 1487 csinfo_size = 1; | |
| 1488 csinfo = (csinfo_T *)alloc_clear(sizeof(csinfo_T)); | |
| 1489 } | |
| 1490 else | |
| 1491 { | |
| 6596 | 1492 csinfo_T *t_csinfo = csinfo; |
| 1493 | |
| 1931 | 1494 /* Reallocate space for more connections. */ |
| 1495 csinfo_size *= 2; | |
| 1496 csinfo = vim_realloc(csinfo, sizeof(csinfo_T)*csinfo_size); | |
| 6596 | 1497 if (csinfo == NULL) |
| 1498 { | |
| 1499 vim_free(t_csinfo); | |
| 1500 csinfo_size = 0; | |
| 1501 } | |
| 1931 | 1502 } |
| 1503 if (csinfo == NULL) | |
| 1504 return -1; | |
| 1505 for (j = csinfo_size/2; j < csinfo_size; j++) | |
| 1506 clear_csinfo(j); | |
| 7 | 1507 } |
| 1508 | |
| 835 | 1509 if ((csinfo[i].fname = (char *)alloc((unsigned)strlen(fname)+1)) == NULL) |
| 7 | 1510 return -1; |
| 1511 | |
| 1512 (void)strcpy(csinfo[i].fname, (const char *)fname); | |
| 1513 | |
| 1514 if (ppath != NULL) | |
| 1515 { | |
| 835 | 1516 if ((csinfo[i].ppath = (char *)alloc((unsigned)strlen(ppath) + 1)) == NULL) |
| 7 | 1517 { |
| 1518 vim_free(csinfo[i].fname); | |
| 1519 csinfo[i].fname = NULL; | |
| 1520 return -1; | |
| 1521 } | |
| 1522 (void)strcpy(csinfo[i].ppath, (const char *)ppath); | |
| 1523 } else | |
| 1524 csinfo[i].ppath = NULL; | |
| 1525 | |
| 1526 if (flags != NULL) | |
| 1527 { | |
| 835 | 1528 if ((csinfo[i].flags = (char *)alloc((unsigned)strlen(flags) + 1)) == NULL) |
| 7 | 1529 { |
| 1530 vim_free(csinfo[i].fname); | |
| 1531 vim_free(csinfo[i].ppath); | |
| 1532 csinfo[i].fname = NULL; | |
| 1533 csinfo[i].ppath = NULL; | |
| 1534 return -1; | |
| 1535 } | |
| 1536 (void)strcpy(csinfo[i].flags, (const char *)flags); | |
| 1537 } else | |
| 1538 csinfo[i].flags = NULL; | |
| 1539 | |
| 1540 #if defined(UNIX) | |
| 1541 csinfo[i].st_dev = sb->st_dev; | |
| 1542 csinfo[i].st_ino = sb->st_ino; | |
| 1543 | |
| 1544 #else | |
| 1545 csinfo[i].nVolume = bhfi.dwVolumeSerialNumber; | |
| 1546 csinfo[i].nIndexLow = bhfi.nFileIndexLow; | |
| 1547 csinfo[i].nIndexHigh = bhfi.nFileIndexHigh; | |
| 1548 #endif | |
| 1549 return i; | |
| 1550 } /* cs_insert_filelist */ | |
| 1551 | |
| 1552 | |
| 1553 /* | |
| 1554 * PRIVATE: cs_lookup_cmd | |
| 1555 * | |
| 1556 * find cscope command in command table | |
| 1557 */ | |
| 1558 static cscmd_T * | |
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1559 cs_lookup_cmd(exarg_T *eap) |
| 7 | 1560 { |
| 1561 cscmd_T *cmdp; | |
| 1562 char *stok; | |
| 1563 size_t len; | |
| 1564 | |
| 1565 if (eap->arg == NULL) | |
| 1566 return NULL; | |
| 1567 | |
| 1372 | 1568 /* Store length of eap->arg before it gets modified by strtok(). */ |
| 1570 | 1569 eap_arg_len = (int)STRLEN(eap->arg); |
| 1372 | 1570 |
| 7 | 1571 if ((stok = strtok((char *)(eap->arg), (const char *)" ")) == NULL) |
| 1572 return NULL; | |
| 1573 | |
| 1574 len = strlen(stok); | |
| 1575 for (cmdp = cs_cmds; cmdp->name != NULL; ++cmdp) | |
| 1576 { | |
| 1577 if (strncmp((const char *)(stok), cmdp->name, len) == 0) | |
| 1578 return (cmdp); | |
| 1579 } | |
| 1580 return NULL; | |
| 1581 } /* cs_lookup_cmd */ | |
| 1582 | |
| 1583 | |
| 1584 /* | |
| 1585 * PRIVATE: cs_kill | |
| 1586 * | |
| 1587 * nuke em | |
| 1588 */ | |
| 1589 static int | |
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1590 cs_kill(exarg_T *eap UNUSED) |
| 7 | 1591 { |
| 1592 char *stok; | |
| 1593 short i; | |
| 1594 | |
| 1595 if ((stok = strtok((char *)NULL, (const char *)" ")) == NULL) | |
| 1596 { | |
| 1597 cs_usage_msg(Kill); | |
| 1598 return CSCOPE_FAILURE; | |
| 1599 } | |
| 1600 | |
| 1601 /* only single digit positive and negative integers are allowed */ | |
| 1602 if ((strlen(stok) < 2 && VIM_ISDIGIT((int)(stok[0]))) | |
| 1603 || (strlen(stok) < 3 && stok[0] == '-' | |
| 1604 && VIM_ISDIGIT((int)(stok[1])))) | |
| 1605 i = atoi(stok); | |
| 1606 else | |
| 1607 { | |
| 1608 /* It must be part of a name. We will try to find a match | |
| 1609 * within all the names in the csinfo data structure | |
| 1610 */ | |
| 1931 | 1611 for (i = 0; i < csinfo_size; i++) |
| 7 | 1612 { |
| 1613 if (csinfo[i].fname != NULL && strstr(csinfo[i].fname, stok)) | |
| 1614 break; | |
| 1615 } | |
| 1616 } | |
| 1617 | |
| 1931 | 1618 if ((i != -1) && (i >= csinfo_size || i < -1 || csinfo[i].fname == NULL)) |
| 7 | 1619 { |
| 1620 if (p_csverbose) | |
| 1621 (void)EMSG2(_("E261: cscope connection %s not found"), stok); | |
| 1622 } | |
| 1623 else | |
| 1624 { | |
| 1625 if (i == -1) | |
| 1626 { | |
| 1931 | 1627 for (i = 0; i < csinfo_size; i++) |
| 7 | 1628 { |
| 1629 if (csinfo[i].fname) | |
| 1630 cs_kill_execute(i, csinfo[i].fname); | |
| 1631 } | |
| 1632 } | |
| 1633 else | |
| 1634 cs_kill_execute(i, stok); | |
| 1635 } | |
| 1636 | |
| 1637 return 0; | |
| 1638 } /* cs_kill */ | |
| 1639 | |
| 1640 | |
| 1641 /* | |
| 1642 * PRIVATE: cs_kill_execute | |
| 1643 * | |
| 1644 * Actually kills a specific cscope connection. | |
| 1645 */ | |
| 1646 static void | |
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1647 cs_kill_execute( |
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1648 int i, /* cscope table index */ |
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1649 char *cname) /* cscope database name */ |
| 7 | 1650 { |
| 1651 if (p_csverbose) | |
| 1652 { | |
| 1653 msg_clr_eos(); | |
| 1654 (void)smsg_attr(hl_attr(HLF_R) | MSG_HIST, | |
| 1655 (char_u *)_("cscope connection %s closed"), cname); | |
| 1656 } | |
| 1657 cs_release_csp(i, TRUE); | |
| 1658 } | |
| 1659 | |
| 1660 | |
| 1661 /* | |
| 1662 * PRIVATE: cs_make_vim_style_matches | |
| 1663 * | |
| 2671 | 1664 * convert the cscope output into a ctags style entry (as might be found |
| 7 | 1665 * in a ctags tags file). there's one catch though: cscope doesn't tell you |
| 1666 * the type of the tag you are looking for. for example, in Darren Hiebert's | |
| 1667 * ctags (the one that comes with vim), #define's use a line number to find the | |
| 1668 * tag in a file while function definitions use a regexp search pattern. | |
| 1669 * | |
| 1670 * i'm going to always use the line number because cscope does something | |
| 1671 * quirky (and probably other things i don't know about): | |
| 1672 * | |
| 1673 * if you have "# define" in your source file, which is | |
| 1674 * perfectly legal, cscope thinks you have "#define". this | |
| 1675 * will result in a failed regexp search. :( | |
| 1676 * | |
| 1677 * besides, even if this particular case didn't happen, the search pattern | |
| 1678 * would still have to be modified to escape all the special regular expression | |
| 1679 * characters to comply with ctags formatting. | |
| 1680 */ | |
| 1681 static char * | |
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1682 cs_make_vim_style_matches( |
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1683 char *fname, |
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1684 char *slno, |
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1685 char *search, |
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1686 char *tagstr) |
| 7 | 1687 { |
| 1688 /* vim style is ctags: | |
| 1689 * | |
| 1690 * <tagstr>\t<filename>\t<linenum_or_search>"\t<extra> | |
| 1691 * | |
| 1692 * but as mentioned above, we'll always use the line number and | |
| 1693 * put the search pattern (if one exists) as "extra" | |
| 1694 * | |
| 1695 * buf is used as part of vim's method of handling tags, and | |
| 1696 * (i think) vim frees it when you pop your tags and get replaced | |
| 1697 * by new ones on the tag stack. | |
| 1698 */ | |
| 1699 char *buf; | |
| 1700 int amt; | |
| 1701 | |
| 1702 if (search != NULL) | |
| 1703 { | |
| 835 | 1704 amt = (int)(strlen(fname) + strlen(slno) + strlen(tagstr) + strlen(search)+6); |
| 7 | 1705 if ((buf = (char *)alloc(amt)) == NULL) |
| 1706 return NULL; | |
| 1707 | |
| 1708 (void)sprintf(buf, "%s\t%s\t%s;\"\t%s", tagstr, fname, slno, search); | |
| 1709 } | |
| 1710 else | |
| 1711 { | |
| 835 | 1712 amt = (int)(strlen(fname) + strlen(slno) + strlen(tagstr) + 5); |
| 7 | 1713 if ((buf = (char *)alloc(amt)) == NULL) |
| 1714 return NULL; | |
| 1715 | |
| 1716 (void)sprintf(buf, "%s\t%s\t%s;\"", tagstr, fname, slno); | |
| 1717 } | |
| 1718 | |
| 1719 return buf; | |
| 1720 } /* cs_make_vim_style_matches */ | |
| 1721 | |
| 1722 | |
| 1723 /* | |
| 1724 * PRIVATE: cs_manage_matches | |
| 1725 * | |
| 1726 * this is kind of hokey, but i don't see an easy way round this.. | |
| 1727 * | |
| 1728 * Store: keep a ptr to the (malloc'd) memory of matches originally | |
| 1729 * generated from cs_find(). the matches are originally lines directly | |
| 1730 * from cscope output, but transformed to look like something out of a | |
| 1731 * ctags. see cs_make_vim_style_matches for more details. | |
| 1732 * | |
| 1733 * Get: used only from cs_fgets(), this simulates a vim_fgets() to return | |
| 1734 * the next line from the cscope output. it basically keeps track of which | |
| 1735 * lines have been "used" and returns the next one. | |
| 1736 * | |
| 1737 * Free: frees up everything and resets | |
| 1738 * | |
| 1739 * Print: prints the tags | |
| 1740 */ | |
| 1741 static char * | |
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1742 cs_manage_matches( |
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1743 char **matches, |
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1744 char **contexts, |
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1745 int totmatches, |
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1746 mcmd_e cmd) |
| 7 | 1747 { |
| 1748 static char **mp = NULL; | |
| 1749 static char **cp = NULL; | |
| 1750 static int cnt = -1; | |
| 1751 static int next = -1; | |
| 1752 char *p = NULL; | |
| 1753 | |
| 1754 switch (cmd) | |
| 1755 { | |
| 1756 case Store: | |
| 1757 assert(matches != NULL); | |
| 1758 assert(totmatches > 0); | |
| 1759 if (mp != NULL || cp != NULL) | |
| 1760 (void)cs_manage_matches(NULL, NULL, -1, Free); | |
| 1761 mp = matches; | |
| 1762 cp = contexts; | |
| 1763 cnt = totmatches; | |
| 1764 next = 0; | |
| 1765 break; | |
| 1766 case Get: | |
| 1767 if (next >= cnt) | |
| 1768 return NULL; | |
| 1769 | |
| 1770 p = mp[next]; | |
| 1771 next++; | |
| 1772 break; | |
| 1773 case Free: | |
| 1774 if (mp != NULL) | |
| 1775 { | |
| 1776 if (cnt > 0) | |
| 1777 while (cnt--) | |
| 1778 { | |
| 1779 vim_free(mp[cnt]); | |
| 1780 if (cp != NULL) | |
| 1781 vim_free(cp[cnt]); | |
| 1782 } | |
| 1783 vim_free(mp); | |
| 1784 vim_free(cp); | |
| 1785 } | |
| 1786 mp = NULL; | |
| 1787 cp = NULL; | |
| 1788 cnt = 0; | |
| 1789 next = 0; | |
| 1790 break; | |
| 1791 case Print: | |
| 1792 cs_print_tags_priv(mp, cp, cnt); | |
| 1793 break; | |
| 1794 default: /* should not reach here */ | |
| 1795 (void)EMSG(_("E570: fatal error in cs_manage_matches")); | |
| 1796 return NULL; | |
| 1797 } | |
| 1798 | |
| 1799 return p; | |
| 1800 } /* cs_manage_matches */ | |
| 1801 | |
| 1802 | |
| 1803 /* | |
| 1804 * PRIVATE: cs_parse_results | |
| 1805 * | |
| 1806 * parse cscope output | |
| 1807 */ | |
| 1808 static char * | |
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1809 cs_parse_results( |
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1810 int cnumber, |
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1811 char *buf, |
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1812 int bufsize, |
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1813 char **context, |
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1814 char **linenumber, |
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1815 char **search) |
| 7 | 1816 { |
| 1817 int ch; | |
| 1818 char *p; | |
| 1819 char *name; | |
| 1820 | |
| 1821 if (fgets(buf, bufsize, csinfo[cnumber].fr_fp) == NULL) | |
| 1822 { | |
| 1823 if (feof(csinfo[cnumber].fr_fp)) | |
| 1824 errno = EIO; | |
| 1825 | |
| 1826 cs_reading_emsg(cnumber); | |
| 1827 | |
| 1828 return NULL; | |
| 1829 } | |
| 1830 | |
| 1831 /* If the line's too long for the buffer, discard it. */ | |
| 1832 if ((p = strchr(buf, '\n')) == NULL) | |
| 1833 { | |
| 1834 while ((ch = getc(csinfo[cnumber].fr_fp)) != EOF && ch != '\n') | |
| 1835 ; | |
| 1836 return NULL; | |
| 1837 } | |
| 1838 *p = '\0'; | |
| 1839 | |
| 1840 /* | |
| 1841 * cscope output is in the following format: | |
| 1842 * | |
| 1843 * <filename> <context> <line number> <pattern> | |
| 1844 */ | |
| 1845 if ((name = strtok((char *)buf, (const char *)" ")) == NULL) | |
| 1846 return NULL; | |
| 1847 if ((*context = strtok(NULL, (const char *)" ")) == NULL) | |
| 1848 return NULL; | |
| 1849 if ((*linenumber = strtok(NULL, (const char *)" ")) == NULL) | |
| 1850 return NULL; | |
| 1851 *search = *linenumber + strlen(*linenumber) + 1; /* +1 to skip \0 */ | |
| 1852 | |
| 1853 /* --- nvi --- | |
| 1854 * If the file is older than the cscope database, that is, | |
| 1855 * the database was built since the file was last modified, | |
| 1856 * or there wasn't a search string, use the line number. | |
| 1857 */ | |
| 1858 if (strcmp(*search, "<unknown>") == 0) | |
| 1859 *search = NULL; | |
| 1860 | |
| 1861 name = cs_resolve_file(cnumber, name); | |
| 1862 return name; | |
| 1863 } | |
| 1864 | |
| 636 | 1865 #ifdef FEAT_QUICKFIX |
| 7 | 1866 /* |
| 1867 * PRIVATE: cs_file_results | |
| 1868 * | |
| 1869 * write cscope find results to file | |
| 1870 */ | |
| 1871 static void | |
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1872 cs_file_results(FILE *f, int *nummatches_a) |
| 7 | 1873 { |
| 1874 int i, j; | |
| 1875 char *buf; | |
| 1876 char *search, *slno; | |
| 1877 char *fullname; | |
| 1878 char *cntx; | |
| 1879 char *context; | |
| 1880 | |
| 1881 buf = (char *)alloc(CSREAD_BUFSIZE); | |
| 1882 if (buf == NULL) | |
| 1883 return; | |
| 1884 | |
| 1931 | 1885 for (i = 0; i < csinfo_size; i++) |
| 7 | 1886 { |
| 1887 if (nummatches_a[i] < 1) | |
| 1888 continue; | |
| 1889 | |
| 1890 for (j = 0; j < nummatches_a[i]; j++) | |
| 1891 { | |
| 293 | 1892 if ((fullname = cs_parse_results(i, buf, CSREAD_BUFSIZE, &cntx, |
| 1893 &slno, &search)) == NULL) | |
| 7 | 1894 continue; |
| 1895 | |
| 835 | 1896 context = (char *)alloc((unsigned)strlen(cntx)+5); |
| 1027 | 1897 if (context == NULL) |
| 7 | 1898 continue; |
| 1899 | |
| 1900 if (strcmp(cntx, "<global>")==0) | |
| 1901 strcpy(context, "<<global>>"); | |
| 1902 else | |
| 1903 sprintf(context, "<<%s>>", cntx); | |
| 1904 | |
| 1027 | 1905 if (search == NULL) |
| 7 | 1906 fprintf(f, "%s\t%s\t%s\n", fullname, slno, context); |
| 1907 else | |
| 1908 fprintf(f, "%s\t%s\t%s %s\n", fullname, slno, context, search); | |
| 1909 | |
| 1910 vim_free(context); | |
| 1911 vim_free(fullname); | |
| 1912 } /* for all matches */ | |
| 1913 | |
| 1914 (void)cs_read_prompt(i); | |
| 1915 | |
| 1916 } /* for all cscope connections */ | |
| 1917 vim_free(buf); | |
| 1918 } | |
| 636 | 1919 #endif |
| 7 | 1920 |
| 1921 /* | |
| 1922 * PRIVATE: cs_fill_results | |
| 1923 * | |
| 1924 * get parsed cscope output and calls cs_make_vim_style_matches to convert | |
| 1925 * into ctags format | |
| 297 | 1926 * When there are no matches sets "*matches_p" to NULL. |
| 7 | 1927 */ |
| 1928 static void | |
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1929 cs_fill_results( |
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1930 char *tagstr, |
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1931 int totmatches, |
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1932 int *nummatches_a, |
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1933 char ***matches_p, |
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1934 char ***cntxts_p, |
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1935 int *matched) |
| 7 | 1936 { |
| 1937 int i, j; | |
| 1938 char *buf; | |
| 1939 char *search, *slno; | |
| 1940 int totsofar = 0; | |
| 1941 char **matches = NULL; | |
| 1942 char **cntxts = NULL; | |
| 1943 char *fullname; | |
| 1944 char *cntx; | |
| 1945 | |
| 1946 assert(totmatches > 0); | |
| 1947 | |
| 1948 buf = (char *)alloc(CSREAD_BUFSIZE); | |
| 1949 if (buf == NULL) | |
| 1950 return; | |
| 1951 | |
| 1952 if ((matches = (char **)alloc(sizeof(char *) * totmatches)) == NULL) | |
| 1953 goto parse_out; | |
| 1954 if ((cntxts = (char **)alloc(sizeof(char *) * totmatches)) == NULL) | |
| 1955 goto parse_out; | |
| 1956 | |
| 1931 | 1957 for (i = 0; i < csinfo_size; i++) |
| 7 | 1958 { |
| 1959 if (nummatches_a[i] < 1) | |
| 1960 continue; | |
| 1961 | |
| 1962 for (j = 0; j < nummatches_a[i]; j++) | |
| 1963 { | |
| 1964 if ((fullname = cs_parse_results(i, buf, CSREAD_BUFSIZE, &cntx, | |
| 1965 &slno, &search)) == NULL) | |
| 1966 continue; | |
| 1967 | |
| 1968 matches[totsofar] = cs_make_vim_style_matches(fullname, slno, | |
| 1969 search, tagstr); | |
| 1970 | |
| 1971 vim_free(fullname); | |
| 1972 | |
| 1973 if (strcmp(cntx, "<global>") == 0) | |
| 1974 cntxts[totsofar] = NULL; | |
| 1975 else | |
| 1976 /* note: if vim_strsave returns NULL, then the context | |
| 1977 * will be "<global>", which is misleading. | |
| 1978 */ | |
| 1979 cntxts[totsofar] = (char *)vim_strsave((char_u *)cntx); | |
| 1980 | |
| 1981 if (matches[totsofar] != NULL) | |
| 1982 totsofar++; | |
| 1983 | |
| 1984 } /* for all matches */ | |
| 1985 | |
| 1986 (void)cs_read_prompt(i); | |
| 1987 | |
| 1988 } /* for all cscope connections */ | |
| 1989 | |
| 1990 parse_out: | |
| 297 | 1991 if (totsofar == 0) |
| 1992 { | |
| 1993 /* No matches, free the arrays and return NULL in "*matches_p". */ | |
| 1994 vim_free(matches); | |
| 1995 matches = NULL; | |
| 1996 vim_free(cntxts); | |
| 1997 cntxts = NULL; | |
| 1998 } | |
| 7 | 1999 *matched = totsofar; |
| 2000 *matches_p = matches; | |
| 2001 *cntxts_p = cntxts; | |
| 297 | 2002 |
| 7 | 2003 vim_free(buf); |
| 2004 } /* cs_fill_results */ | |
| 2005 | |
| 2006 | |
| 2007 /* get the requested path components */ | |
| 2008 static char * | |
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2009 cs_pathcomponents(char *path) |
| 7 | 2010 { |
| 2011 int i; | |
| 2012 char *s; | |
| 2013 | |
| 2014 if (p_cspc == 0) | |
| 2015 return path; | |
| 2016 | |
| 2017 s = path + strlen(path) - 1; | |
| 2018 for (i = 0; i < p_cspc; ++i) | |
| 2019 while (s > path && *--s != '/' | |
| 2020 #ifdef WIN32 | |
| 2021 && *--s != '\\' | |
| 2022 #endif | |
| 2023 ) | |
| 2024 ; | |
| 2025 if ((s > path && *s == '/') | |
| 2026 #ifdef WIN32 | |
| 2027 || (s > path && *s == '\\') | |
| 2028 #endif | |
| 2029 ) | |
| 2030 ++s; | |
| 2031 return s; | |
| 2032 } | |
| 2033 | |
| 2034 /* | |
| 2035 * PRIVATE: cs_print_tags_priv | |
| 2036 * | |
| 2037 * called from cs_manage_matches() | |
| 2038 */ | |
| 2039 static void | |
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2040 cs_print_tags_priv(char **matches, char **cntxts, int num_matches) |
| 7 | 2041 { |
| 2042 char *buf = NULL; | |
| 6596 | 2043 char *t_buf; |
| 7 | 2044 int bufsize = 0; /* Track available bufsize */ |
| 2045 int newsize = 0; | |
| 2046 char *ptag; | |
| 2047 char *fname, *lno, *extra, *tbuf; | |
| 2048 int i, idx, num; | |
| 2049 char *globalcntx = "GLOBAL"; | |
| 2050 char *cntxformat = " <<%s>>"; | |
| 2051 char *context; | |
| 2052 char *cstag_msg = _("Cscope tag: %s"); | |
| 2053 char *csfmt_str = "%4d %6s "; | |
| 2054 | |
| 2055 assert (num_matches > 0); | |
| 2056 | |
| 835 | 2057 if ((tbuf = (char *)alloc((unsigned)strlen(matches[0]) + 1)) == NULL) |
| 7 | 2058 return; |
| 2059 | |
| 2060 strcpy(tbuf, matches[0]); | |
| 2061 ptag = strtok(tbuf, "\t"); | |
| 7009 | 2062 if (ptag == NULL) |
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2063 { |
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2064 vim_free(tbuf); |
| 7009 | 2065 return; |
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2066 } |
| 7 | 2067 |
| 835 | 2068 newsize = (int)(strlen(cstag_msg) + strlen(ptag)); |
| 7 | 2069 buf = (char *)alloc(newsize); |
| 2070 if (buf != NULL) | |
| 2071 { | |
| 2072 bufsize = newsize; | |
| 2073 (void)sprintf(buf, cstag_msg, ptag); | |
| 2074 MSG_PUTS_ATTR(buf, hl_attr(HLF_T)); | |
| 2075 } | |
| 2076 | |
| 2077 vim_free(tbuf); | |
| 2078 | |
| 2079 MSG_PUTS_ATTR(_("\n # line"), hl_attr(HLF_T)); /* strlen is 7 */ | |
| 2080 msg_advance(msg_col + 2); | |
| 2081 MSG_PUTS_ATTR(_("filename / context / line\n"), hl_attr(HLF_T)); | |
| 2082 | |
| 2083 num = 1; | |
| 2084 for (i = 0; i < num_matches; i++) | |
| 2085 { | |
| 2086 idx = i; | |
| 2087 | |
| 2088 /* if we really wanted to, we could avoid this malloc and strcpy | |
| 2089 * by parsing matches[i] on the fly and placing stuff into buf | |
| 2090 * directly, but that's too much of a hassle | |
| 2091 */ | |
| 835 | 2092 if ((tbuf = (char *)alloc((unsigned)strlen(matches[idx]) + 1)) == NULL) |
| 7 | 2093 continue; |
| 2094 (void)strcpy(tbuf, matches[idx]); | |
| 2095 | |
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2096 if (strtok(tbuf, (const char *)"\t") == NULL |
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2097 || (fname = strtok(NULL, (const char *)"\t")) == NULL |
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2098 || (lno = strtok(NULL, (const char *)"\t")) == NULL) |
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2099 { |
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2100 vim_free(tbuf); |
| 7 | 2101 continue; |
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2102 } |
| 1078 | 2103 extra = strtok(NULL, (const char *)"\t"); |
| 7 | 2104 |
| 2105 lno[strlen(lno)-2] = '\0'; /* ignore ;" at the end */ | |
| 2106 | |
| 2107 /* hopefully 'num' (num of matches) will be less than 10^16 */ | |
| 835 | 2108 newsize = (int)(strlen(csfmt_str) + 16 + strlen(lno)); |
| 7 | 2109 if (bufsize < newsize) |
| 2110 { | |
| 6596 | 2111 t_buf = buf; |
| 7 | 2112 buf = (char *)vim_realloc(buf, newsize); |
| 2113 if (buf == NULL) | |
| 6596 | 2114 { |
| 7 | 2115 bufsize = 0; |
| 6596 | 2116 vim_free(t_buf); |
| 2117 } | |
| 7 | 2118 else |
| 2119 bufsize = newsize; | |
| 2120 } | |
| 2121 if (buf != NULL) | |
| 2122 { | |
| 2123 /* csfmt_str = "%4d %6s "; */ | |
| 2124 (void)sprintf(buf, csfmt_str, num, lno); | |
| 2125 MSG_PUTS_ATTR(buf, hl_attr(HLF_CM)); | |
| 2126 } | |
| 2127 MSG_PUTS_LONG_ATTR(cs_pathcomponents(fname), hl_attr(HLF_CM)); | |
| 2128 | |
| 2129 /* compute the required space for the context */ | |
| 2130 if (cntxts[idx] != NULL) | |
| 2131 context = cntxts[idx]; | |
| 2132 else | |
| 2133 context = globalcntx; | |
| 835 | 2134 newsize = (int)(strlen(context) + strlen(cntxformat)); |
| 7 | 2135 |
| 2136 if (bufsize < newsize) | |
| 2137 { | |
| 6596 | 2138 t_buf = buf; |
| 7 | 2139 buf = (char *)vim_realloc(buf, newsize); |
| 2140 if (buf == NULL) | |
| 6596 | 2141 { |
| 7 | 2142 bufsize = 0; |
| 6596 | 2143 vim_free(t_buf); |
| 2144 } | |
| 7 | 2145 else |
| 2146 bufsize = newsize; | |
| 2147 } | |
| 2148 if (buf != NULL) | |
| 2149 { | |
| 2150 (void)sprintf(buf, cntxformat, context); | |
| 2151 | |
| 2152 /* print the context only if it fits on the same line */ | |
| 2153 if (msg_col + (int)strlen(buf) >= (int)Columns) | |
| 2154 msg_putchar('\n'); | |
| 2155 msg_advance(12); | |
| 2156 MSG_PUTS_LONG(buf); | |
| 2157 msg_putchar('\n'); | |
| 2158 } | |
| 2159 if (extra != NULL) | |
| 2160 { | |
| 2161 msg_advance(13); | |
| 2162 MSG_PUTS_LONG(extra); | |
| 2163 } | |
| 2164 | |
| 2165 vim_free(tbuf); /* only after printing extra due to strtok use */ | |
| 2166 | |
| 2167 if (msg_col) | |
| 2168 msg_putchar('\n'); | |
| 2169 | |
| 2170 ui_breakcheck(); | |
| 2171 if (got_int) | |
| 2172 { | |
| 2173 got_int = FALSE; /* don't print any more matches */ | |
| 2174 break; | |
| 2175 } | |
| 2176 | |
| 2177 num++; | |
| 2178 } /* for all matches */ | |
| 2179 | |
| 2180 vim_free(buf); | |
| 2181 } /* cs_print_tags_priv */ | |
| 2182 | |
| 2183 | |
| 2184 /* | |
| 2185 * PRIVATE: cs_read_prompt | |
| 2186 * | |
| 2187 * read a cscope prompt (basically, skip over the ">> ") | |
| 2188 */ | |
| 2189 static int | |
|
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parents:
7803
diff
changeset
|
2190 cs_read_prompt(int i) |
| 7 | 2191 { |
| 2192 int ch; | |
| 2193 char *buf = NULL; /* buffer for possible error message from cscope */ | |
| 2194 int bufpos = 0; | |
| 2195 char *cs_emsg; | |
| 2196 int maxlen; | |
| 2197 static char *eprompt = "Press the RETURN key to continue:"; | |
| 835 | 2198 int epromptlen = (int)strlen(eprompt); |
| 7 | 2199 int n; |
| 2200 | |
| 2201 cs_emsg = _("E609: Cscope error: %s"); | |
| 2202 /* compute maximum allowed len for Cscope error message */ | |
| 2203 maxlen = (int)(IOSIZE - strlen(cs_emsg)); | |
| 2204 | |
| 2205 for (;;) | |
| 2206 { | |
| 2207 while ((ch = getc(csinfo[i].fr_fp)) != EOF && ch != CSCOPE_PROMPT[0]) | |
| 2208 /* if there is room and char is printable */ | |
| 2209 if (bufpos < maxlen - 1 && vim_isprintc(ch)) | |
| 2210 { | |
| 2211 if (buf == NULL) /* lazy buffer allocation */ | |
| 2212 buf = (char *)alloc(maxlen); | |
| 2213 if (buf != NULL) | |
| 2214 { | |
| 2215 /* append character to the message */ | |
| 2216 buf[bufpos++] = ch; | |
| 2217 buf[bufpos] = NUL; | |
| 2218 if (bufpos >= epromptlen | |
| 2219 && strcmp(&buf[bufpos - epromptlen], eprompt) == 0) | |
| 2220 { | |
| 2221 /* remove eprompt from buf */ | |
| 2222 buf[bufpos - epromptlen] = NUL; | |
| 2223 | |
| 2224 /* print message to user */ | |
| 2225 (void)EMSG2(cs_emsg, buf); | |
| 2226 | |
| 2227 /* send RETURN to cscope */ | |
| 2228 (void)putc('\n', csinfo[i].to_fp); | |
| 2229 (void)fflush(csinfo[i].to_fp); | |
| 2230 | |
| 2231 /* clear buf */ | |
| 2232 bufpos = 0; | |
| 2233 buf[bufpos] = NUL; | |
| 2234 } | |
| 2235 } | |
| 2236 } | |
| 2237 | |
| 2238 for (n = 0; n < (int)strlen(CSCOPE_PROMPT); ++n) | |
| 2239 { | |
| 2240 if (n > 0) | |
| 2241 ch = getc(csinfo[i].fr_fp); | |
| 2242 if (ch == EOF) | |
| 2243 { | |
| 2244 PERROR("cs_read_prompt EOF"); | |
| 2245 if (buf != NULL && buf[0] != NUL) | |
| 2246 (void)EMSG2(cs_emsg, buf); | |
| 2247 else if (p_csverbose) | |
| 2248 cs_reading_emsg(i); /* don't have additional information */ | |
| 2249 cs_release_csp(i, TRUE); | |
| 2250 vim_free(buf); | |
| 2251 return CSCOPE_FAILURE; | |
| 2252 } | |
| 2253 | |
| 2254 if (ch != CSCOPE_PROMPT[n]) | |
| 2255 { | |
| 2256 ch = EOF; | |
| 2257 break; | |
| 2258 } | |
| 2259 } | |
| 2260 | |
| 2261 if (ch == EOF) | |
| 2262 continue; /* didn't find the prompt */ | |
| 2263 break; /* did find the prompt */ | |
| 2264 } | |
| 2265 | |
| 2266 vim_free(buf); | |
| 2267 return CSCOPE_SUCCESS; | |
| 2268 } | |
| 2269 | |
| 1566 | 2270 #if defined(UNIX) && defined(SIGALRM) |
| 2271 /* | |
| 2272 * Used to catch and ignore SIGALRM below. | |
| 2273 */ | |
| 2274 static RETSIGTYPE | |
| 2275 sig_handler SIGDEFARG(sigarg) | |
| 2276 { | |
| 2277 /* do nothing */ | |
| 2278 SIGRETURN; | |
| 2279 } | |
| 2280 #endif | |
| 7 | 2281 |
| 2282 /* | |
| 2283 * PRIVATE: cs_release_csp | |
| 2284 * | |
| 1385 | 2285 * Does the actual free'ing for the cs ptr with an optional flag of whether |
| 2286 * or not to free the filename. Called by cs_kill and cs_reset. | |
| 7 | 2287 */ |
| 2288 static void | |
|
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diff
changeset
|
2289 cs_release_csp(int i, int freefnpp) |
| 7 | 2290 { |
| 2291 /* | |
| 2292 * Trying to exit normally (not sure whether it is fit to UNIX cscope | |
| 2293 */ | |
| 2294 if (csinfo[i].to_fp != NULL) | |
| 2295 { | |
| 2296 (void)fputs("q\n", csinfo[i].to_fp); | |
| 2297 (void)fflush(csinfo[i].to_fp); | |
| 2298 } | |
| 1566 | 2299 #if defined(UNIX) |
| 2300 { | |
| 1575 | 2301 int waitpid_errno; |
| 1566 | 2302 int pstat; |
| 2303 pid_t pid; | |
| 2304 | |
| 2305 # if defined(HAVE_SIGACTION) | |
| 2306 struct sigaction sa, old; | |
| 2307 | |
| 1568 | 2308 /* Use sigaction() to limit the waiting time to two seconds. */ |
| 2309 sigemptyset(&sa.sa_mask); | |
| 1566 | 2310 sa.sa_handler = sig_handler; |
|
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2311 # ifdef SA_NODEFER |
| 1566 | 2312 sa.sa_flags = SA_NODEFER; |
|
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2313 # else |
|
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2314 sa.sa_flags = 0; |
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2315 # endif |
| 1566 | 2316 sigaction(SIGALRM, &sa, &old); |
| 2317 alarm(2); /* 2 sec timeout */ | |
| 2318 | |
| 2319 /* Block until cscope exits or until timer expires */ | |
| 2320 pid = waitpid(csinfo[i].pid, &pstat, 0); | |
| 1575 | 2321 waitpid_errno = errno; |
| 1566 | 2322 |
| 2323 /* cancel pending alarm if still there and restore signal */ | |
| 2324 alarm(0); | |
| 2325 sigaction(SIGALRM, &old, NULL); | |
| 2326 # else | |
| 2327 int waited; | |
| 2328 | |
| 2329 /* Can't use sigaction(), loop for two seconds. First yield the CPU | |
| 2330 * to give cscope a chance to exit quickly. */ | |
| 2331 sleep(0); | |
| 2332 for (waited = 0; waited < 40; ++waited) | |
| 2333 { | |
| 2334 pid = waitpid(csinfo[i].pid, &pstat, WNOHANG); | |
| 1575 | 2335 waitpid_errno = errno; |
| 1566 | 2336 if (pid != 0) |
| 2337 break; /* break unless the process is still running */ | |
| 1578 | 2338 mch_delay(50L, FALSE); /* sleep 50 ms */ |
| 1566 | 2339 } |
| 2340 # endif | |
| 2341 /* | |
| 2342 * If the cscope process is still running: kill it. | |
| 2343 * Safety check: If the PID would be zero here, the entire X session | |
| 2344 * would be killed. -1 and 1 are dangerous as well. | |
| 2345 */ | |
| 2346 if (pid < 0 && csinfo[i].pid > 1) | |
| 2347 { | |
| 1575 | 2348 # ifdef ECHILD |
| 2349 int alive = TRUE; | |
| 2350 | |
| 2351 if (waitpid_errno == ECHILD) | |
| 2352 { | |
| 2353 /* | |
| 2354 * When using 'vim -g', vim is forked and cscope process is | |
| 2355 * no longer a child process but a sibling. So waitpid() | |
| 2356 * fails with errno being ECHILD (No child processes). | |
| 2357 * Don't send SIGKILL to cscope immediately but wait | |
| 2358 * (polling) for it to exit normally as result of sending | |
| 2359 * the "q" command, hence giving it a chance to clean up | |
| 2360 * its temporary files. | |
| 2361 */ | |
| 2362 int waited; | |
| 2363 | |
| 2364 sleep(0); | |
| 2365 for (waited = 0; waited < 40; ++waited) | |
| 2366 { | |
| 2367 /* Check whether cscope process is still alive */ | |
| 2368 if (kill(csinfo[i].pid, 0) != 0) | |
| 2369 { | |
| 2370 alive = FALSE; /* cscope process no longer exists */ | |
| 2371 break; | |
| 2372 } | |
| 1578 | 2373 mch_delay(50L, FALSE); /* sleep 50ms */ |
| 1575 | 2374 } |
| 2375 } | |
| 2376 if (alive) | |
| 2377 # endif | |
| 2378 { | |
| 2379 kill(csinfo[i].pid, SIGKILL); | |
| 2380 (void)waitpid(csinfo[i].pid, &pstat, 0); | |
| 2381 } | |
| 1566 | 2382 } |
| 2383 } | |
| 2384 #else /* !UNIX */ | |
| 1385 | 2385 if (csinfo[i].hProc != NULL) |
| 2386 { | |
| 2387 /* Give cscope a chance to exit normally */ | |
| 2388 if (WaitForSingleObject(csinfo[i].hProc, 1000) == WAIT_TIMEOUT) | |
| 2389 TerminateProcess(csinfo[i].hProc, 0); | |
| 2390 CloseHandle(csinfo[i].hProc); | |
| 2391 } | |
| 7 | 2392 #endif |
| 2393 | |
| 2394 if (csinfo[i].fr_fp != NULL) | |
| 2395 (void)fclose(csinfo[i].fr_fp); | |
| 2396 if (csinfo[i].to_fp != NULL) | |
| 2397 (void)fclose(csinfo[i].to_fp); | |
| 2398 | |
| 2399 if (freefnpp) | |
| 2400 { | |
| 2401 vim_free(csinfo[i].fname); | |
| 2402 vim_free(csinfo[i].ppath); | |
| 2403 vim_free(csinfo[i].flags); | |
| 2404 } | |
| 2405 | |
| 2406 clear_csinfo(i); | |
| 2407 } /* cs_release_csp */ | |
| 2408 | |
| 2409 | |
| 2410 /* | |
| 2411 * PRIVATE: cs_reset | |
| 2412 * | |
| 2413 * calls cs_kill on all cscope connections then reinits | |
| 2414 */ | |
| 2415 static int | |
|
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parents:
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diff
changeset
|
2416 cs_reset(exarg_T *eap UNUSED) |
| 7 | 2417 { |
| 2418 char **dblist = NULL, **pplist = NULL, **fllist = NULL; | |
| 2419 int i; | |
| 273 | 2420 char buf[20]; /* for sprintf " (#%d)" */ |
| 7 | 2421 |
| 1931 | 2422 if (csinfo_size == 0) |
| 2423 return CSCOPE_SUCCESS; | |
| 2424 | |
| 7 | 2425 /* malloc our db and ppath list */ |
| 1931 | 2426 dblist = (char **)alloc(csinfo_size * sizeof(char *)); |
| 2427 pplist = (char **)alloc(csinfo_size * sizeof(char *)); | |
| 2428 fllist = (char **)alloc(csinfo_size * sizeof(char *)); | |
| 7 | 2429 if (dblist == NULL || pplist == NULL || fllist == NULL) |
| 2430 { | |
| 2431 vim_free(dblist); | |
| 2432 vim_free(pplist); | |
| 2433 vim_free(fllist); | |
| 2434 return CSCOPE_FAILURE; | |
| 2435 } | |
| 2436 | |
| 1931 | 2437 for (i = 0; i < csinfo_size; i++) |
| 7 | 2438 { |
| 2439 dblist[i] = csinfo[i].fname; | |
| 2440 pplist[i] = csinfo[i].ppath; | |
| 2441 fllist[i] = csinfo[i].flags; | |
| 2442 if (csinfo[i].fname != NULL) | |
| 2443 cs_release_csp(i, FALSE); | |
| 2444 } | |
| 2445 | |
| 2446 /* rebuild the cscope connection list */ | |
| 1931 | 2447 for (i = 0; i < csinfo_size; i++) |
| 7 | 2448 { |
| 2449 if (dblist[i] != NULL) | |
| 2450 { | |
| 2451 cs_add_common(dblist[i], pplist[i], fllist[i]); | |
| 2452 if (p_csverbose) | |
| 2453 { | |
| 1372 | 2454 /* don't use smsg_attr() because we want to display the |
| 7 | 2455 * connection number in the same line as |
| 2456 * "Added cscope database..." | |
| 2457 */ | |
| 2458 sprintf(buf, " (#%d)", i); | |
| 2459 MSG_PUTS_ATTR(buf, hl_attr(HLF_R)); | |
| 2460 } | |
| 2461 } | |
| 2462 vim_free(dblist[i]); | |
| 2463 vim_free(pplist[i]); | |
| 2464 vim_free(fllist[i]); | |
| 2465 } | |
| 2466 vim_free(dblist); | |
| 2467 vim_free(pplist); | |
| 2468 vim_free(fllist); | |
| 2469 | |
| 2470 if (p_csverbose) | |
| 2471 MSG_ATTR(_("All cscope databases reset"), hl_attr(HLF_R) | MSG_HIST); | |
| 2472 return CSCOPE_SUCCESS; | |
| 2473 } /* cs_reset */ | |
| 2474 | |
| 2475 | |
| 2476 /* | |
| 2477 * PRIVATE: cs_resolve_file | |
| 2478 * | |
|
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|
2479 * Construct the full pathname to a file found in the cscope database. |
| 7 | 2480 * (Prepends ppath, if there is one and if it's not already prepended, |
| 2481 * otherwise just uses the name found.) | |
| 2482 * | |
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2483 * We need to prepend the prefix because on some cscope's (e.g., the one that |
| 7 | 2484 * ships with Solaris 2.6), the output never has the prefix prepended. |
|
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2485 * Contrast this with my development system (Digital Unix), which does. |
| 7 | 2486 */ |
| 2487 static char * | |
|
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diff
changeset
|
2488 cs_resolve_file(int i, char *name) |
| 7 | 2489 { |
| 2873 | 2490 char *fullname; |
| 2491 int len; | |
| 2492 char_u *csdir = NULL; | |
| 7 | 2493 |
| 2494 /* | |
| 2873 | 2495 * Ppath is freed when we destroy the cscope connection. |
| 2496 * Fullname is freed after cs_make_vim_style_matches, after it's been | |
| 2497 * copied into the tag buffer used by Vim. | |
| 7 | 2498 */ |
| 835 | 2499 len = (int)(strlen(name) + 2); |
| 7 | 2500 if (csinfo[i].ppath != NULL) |
| 835 | 2501 len += (int)strlen(csinfo[i].ppath); |
| 2873 | 2502 else if (p_csre && csinfo[i].fname != NULL) |
| 2503 { | |
| 2504 /* If 'cscoperelative' is set and ppath is not set, use cscope.out | |
| 2505 * path in path resolution. */ | |
| 2506 csdir = alloc(MAXPATHL); | |
| 2507 if (csdir != NULL) | |
| 2508 { | |
| 2509 vim_strncpy(csdir, (char_u *)csinfo[i].fname, | |
|
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2510 gettail((char_u *)csinfo[i].fname) |
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2511 - (char_u *)csinfo[i].fname); |
| 2873 | 2512 len += (int)STRLEN(csdir); |
| 2513 } | |
| 2514 } | |
| 7 | 2515 |
| 2873 | 2516 /* Note/example: this won't work if the cscope output already starts |
| 7 | 2517 * "../.." and the prefix path is also "../..". if something like this |
| 2873 | 2518 * happens, you are screwed up and need to fix how you're using cscope. */ |
| 2519 if (csinfo[i].ppath != NULL | |
| 2520 && (strncmp(name, csinfo[i].ppath, strlen(csinfo[i].ppath)) != 0) | |
| 2521 && (name[0] != '/') | |
| 7 | 2522 #ifdef WIN32 |
| 2873 | 2523 && name[0] != '\\' && name[1] != ':' |
| 7 | 2524 #endif |
| 2873 | 2525 ) |
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2526 { |
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2527 if ((fullname = (char *)alloc(len)) != NULL) |
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2528 (void)sprintf(fullname, "%s/%s", csinfo[i].ppath, name); |
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2529 } |
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2530 else if (csdir != NULL && csinfo[i].fname != NULL && *csdir != NUL) |
| 2873 | 2531 { |
| 2532 /* Check for csdir to be non empty to avoid empty path concatenated to | |
|
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2533 * cscope output. */ |
| 2875 | 2534 fullname = (char *)concat_fnames(csdir, (char_u *)name, TRUE); |
| 2873 | 2535 } |
| 7 | 2536 else |
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2537 { |
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2538 fullname = (char *)vim_strsave((char_u *)name); |
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2539 } |
| 7 | 2540 |
| 2873 | 2541 vim_free(csdir); |
| 7 | 2542 return fullname; |
| 2873 | 2543 } |
| 7 | 2544 |
| 2545 | |
| 2546 /* | |
| 2547 * PRIVATE: cs_show | |
| 2548 * | |
| 2549 * show all cscope connections | |
| 2550 */ | |
| 2551 static int | |
|
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7803
diff
changeset
|
2552 cs_show(exarg_T *eap UNUSED) |
| 7 | 2553 { |
| 2554 short i; | |
| 2555 if (cs_cnt_connections() == 0) | |
| 2556 MSG_PUTS(_("no cscope connections\n")); | |
| 2557 else | |
| 2558 { | |
| 2559 MSG_PUTS_ATTR( | |
| 2560 _(" # pid database name prepend path\n"), | |
| 2561 hl_attr(HLF_T)); | |
| 1931 | 2562 for (i = 0; i < csinfo_size; i++) |
| 7 | 2563 { |
| 2564 if (csinfo[i].fname == NULL) | |
| 2565 continue; | |
| 2566 | |
| 2567 if (csinfo[i].ppath != NULL) | |
| 2568 (void)smsg((char_u *)"%2d %-5ld %-34s %-32s", | |
| 2569 i, (long)csinfo[i].pid, csinfo[i].fname, csinfo[i].ppath); | |
| 2570 else | |
| 2571 (void)smsg((char_u *)"%2d %-5ld %-34s <none>", | |
| 2572 i, (long)csinfo[i].pid, csinfo[i].fname); | |
| 2573 } | |
| 2574 } | |
| 2575 | |
| 2576 wait_return(TRUE); | |
| 2577 return CSCOPE_SUCCESS; | |
| 2578 } /* cs_show */ | |
| 2579 | |
| 1385 | 2580 |
| 2581 /* | |
| 2582 * PUBLIC: cs_end | |
| 2583 * | |
| 2584 * Only called when VIM exits to quit any cscope sessions. | |
| 2585 */ | |
| 2586 void | |
|
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parents:
7803
diff
changeset
|
2587 cs_end(void) |
| 1385 | 2588 { |
| 2589 int i; | |
| 2590 | |
| 1931 | 2591 for (i = 0; i < csinfo_size; i++) |
| 1385 | 2592 cs_release_csp(i, TRUE); |
| 1931 | 2593 vim_free(csinfo); |
| 2594 csinfo_size = 0; | |
| 1385 | 2595 } |
| 2596 | |
| 7 | 2597 #endif /* FEAT_CSCOPE */ |
| 2598 | |
| 2599 /* the end */ |