Mercurial > vim
annotate src/if_cscope.c @ 10540:ea7fbae33285 v8.0.0160
patch 8.0.0160: EMSG() is sometimes used where it should be IEMSG()
commit https://github.com/vim/vim/commit/de33011ec623fd562419dede6bf465b5b9881a20
Author: Bram Moolenaar <Bram@vim.org>
Date: Sun Jan 8 20:50:52 2017 +0100
patch 8.0.0160: EMSG() is sometimes used where it should be IEMSG()
Problem: EMSG() is sometimes used for internal errors.
Solution: Change them to IEMSG(). (Dominique Pelle) And a few more.
| author | Christian Brabandt <cb@256bit.org> |
|---|---|
| date | Sun, 08 Jan 2017 21:00:05 +0100 |
| parents | bd674706408a |
| children | 9279c939391b |
| rev | line source |
|---|---|
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commit https://github.com/vim/vim/commit/edf3f97ae2af024708ebb4ac614227327033ca47
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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 /* |
| 1845 | 204 * Find the command, print help if invalid, and then call the corresponding |
| 205 * command function. | |
| 7 | 206 */ |
| 207 static void | |
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208 do_cscope_general( |
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209 exarg_T *eap, |
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210 int make_split) /* whether to split window */ |
| 7 | 211 { |
| 212 cscmd_T *cmdp; | |
| 213 | |
| 214 if ((cmdp = cs_lookup_cmd(eap)) == NULL) | |
| 215 { | |
| 216 cs_help(eap); | |
| 217 return; | |
| 218 } | |
| 219 | |
| 220 #ifdef FEAT_WINDOWS | |
| 221 if (make_split) | |
| 222 { | |
| 223 if (!cmdp->cansplit) | |
| 224 { | |
| 225 (void)MSG_PUTS(_("This cscope command does not support splitting the window.\n")); | |
| 226 return; | |
| 227 } | |
| 228 postponed_split = -1; | |
| 229 postponed_split_flags = cmdmod.split; | |
| 1090 | 230 postponed_split_tab = cmdmod.tab; |
| 7 | 231 } |
| 232 #endif | |
| 233 | |
| 234 cmdp->func(eap); | |
| 235 | |
| 236 #ifdef FEAT_WINDOWS | |
| 237 postponed_split_flags = 0; | |
| 1090 | 238 postponed_split_tab = 0; |
| 7 | 239 #endif |
| 240 } | |
| 241 | |
| 242 /* | |
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243 * Implementation of ":cscope" and ":lcscope" |
| 7 | 244 */ |
| 245 void | |
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246 ex_cscope(exarg_T *eap) |
| 7 | 247 { |
| 248 do_cscope_general(eap, FALSE); | |
| 249 } | |
| 250 | |
| 251 /* | |
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252 * Implementation of ":scscope". Same as ex_cscope(), but splits window, too. |
| 7 | 253 */ |
| 254 void | |
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255 ex_scscope(exarg_T *eap) |
| 7 | 256 { |
| 257 do_cscope_general(eap, TRUE); | |
| 258 } | |
| 259 | |
| 260 /* | |
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261 * Implementation of ":cstag" |
| 7 | 262 */ |
| 263 void | |
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264 ex_cstag(exarg_T *eap) |
| 7 | 265 { |
| 266 int ret = FALSE; | |
| 267 | |
| 1621 | 268 if (*eap->arg == NUL) |
| 7 | 269 { |
| 270 (void)EMSG(_("E562: Usage: cstag <ident>")); | |
| 271 return; | |
| 272 } | |
| 273 | |
| 274 switch (p_csto) | |
| 275 { | |
| 276 case 0 : | |
| 277 if (cs_check_for_connections()) | |
| 278 { | |
| 665 | 279 ret = cs_find_common("g", (char *)(eap->arg), eap->forceit, FALSE, |
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280 FALSE, *eap->cmdlinep); |
| 7 | 281 if (ret == FALSE) |
| 282 { | |
| 283 cs_free_tags(); | |
| 284 if (msg_col) | |
| 285 msg_putchar('\n'); | |
| 286 | |
| 287 if (cs_check_for_tags()) | |
| 288 ret = do_tag(eap->arg, DT_JUMP, 0, eap->forceit, FALSE); | |
| 289 } | |
| 290 } | |
| 291 else if (cs_check_for_tags()) | |
| 292 { | |
| 293 ret = do_tag(eap->arg, DT_JUMP, 0, eap->forceit, FALSE); | |
| 294 } | |
| 295 break; | |
| 296 case 1 : | |
| 297 if (cs_check_for_tags()) | |
| 298 { | |
| 299 ret = do_tag(eap->arg, DT_JUMP, 0, eap->forceit, FALSE); | |
| 300 if (ret == FALSE) | |
| 301 { | |
| 302 if (msg_col) | |
| 303 msg_putchar('\n'); | |
| 304 | |
| 305 if (cs_check_for_connections()) | |
| 306 { | |
| 307 ret = cs_find_common("g", (char *)(eap->arg), eap->forceit, | |
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308 FALSE, FALSE, *eap->cmdlinep); |
| 7 | 309 if (ret == FALSE) |
| 310 cs_free_tags(); | |
| 311 } | |
| 312 } | |
| 313 } | |
| 314 else if (cs_check_for_connections()) | |
| 315 { | |
| 665 | 316 ret = cs_find_common("g", (char *)(eap->arg), eap->forceit, FALSE, |
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317 FALSE, *eap->cmdlinep); |
| 7 | 318 if (ret == FALSE) |
| 319 cs_free_tags(); | |
| 320 } | |
| 321 break; | |
| 322 default : | |
| 323 break; | |
| 324 } | |
| 325 | |
| 326 if (!ret) | |
| 327 { | |
| 328 (void)EMSG(_("E257: cstag: tag not found")); | |
| 329 #if defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX) | |
| 330 g_do_tagpreview = 0; | |
| 331 #endif | |
| 332 } | |
| 333 | |
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334 } |
| 7 | 335 |
| 336 | |
| 337 /* | |
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338 * This simulates a vim_fgets(), but for cscope, returns the next line |
| 7 | 339 * from the cscope output. should only be called from find_tags() |
| 340 * | |
| 341 * returns TRUE if eof, FALSE otherwise | |
| 342 */ | |
| 343 int | |
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344 cs_fgets(char_u *buf, int size) |
| 7 | 345 { |
| 346 char *p; | |
| 347 | |
| 348 if ((p = cs_manage_matches(NULL, NULL, -1, Get)) == NULL) | |
| 349 return TRUE; | |
| 1372 | 350 vim_strncpy(buf, (char_u *)p, size - 1); |
| 7 | 351 |
| 352 return FALSE; | |
| 353 } /* cs_fgets */ | |
| 354 | |
| 355 | |
| 356 /* | |
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357 * Called only from do_tag(), when popping the tag stack. |
| 7 | 358 */ |
| 359 void | |
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360 cs_free_tags(void) |
| 7 | 361 { |
| 362 cs_manage_matches(NULL, NULL, -1, Free); | |
| 363 } | |
| 364 | |
| 365 | |
| 366 /* | |
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367 * Called from do_tag(). |
| 7 | 368 */ |
| 369 void | |
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370 cs_print_tags(void) |
| 7 | 371 { |
| 372 cs_manage_matches(NULL, NULL, -1, Print); | |
| 373 } | |
| 374 | |
| 375 | |
| 376 /* | |
| 377 * "cscope_connection([{num} , {dbpath} [, {prepend}]])" function | |
| 378 * | |
| 379 * Checks for the existence of a |cscope| connection. If no | |
| 380 * parameters are specified, then the function returns: | |
| 381 * | |
| 382 * 0, if cscope was not available (not compiled in), or if there | |
| 383 * are no cscope connections; or | |
| 384 * 1, if there is at least one cscope connection. | |
| 385 * | |
| 386 * If parameters are specified, then the value of {num} | |
| 387 * determines how existence of a cscope connection is checked: | |
| 388 * | |
| 389 * {num} Description of existence check | |
| 390 * ----- ------------------------------ | |
| 391 * 0 Same as no parameters (e.g., "cscope_connection()"). | |
| 392 * 1 Ignore {prepend}, and use partial string matches for | |
| 393 * {dbpath}. | |
| 394 * 2 Ignore {prepend}, and use exact string matches for | |
| 395 * {dbpath}. | |
| 396 * 3 Use {prepend}, use partial string matches for both | |
| 397 * {dbpath} and {prepend}. | |
| 398 * 4 Use {prepend}, use exact string matches for both | |
| 399 * {dbpath} and {prepend}. | |
| 400 * | |
| 401 * Note: All string comparisons are case sensitive! | |
| 402 */ | |
| 403 #if defined(FEAT_EVAL) || defined(PROTO) | |
| 404 int | |
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405 cs_connection(int num, char_u *dbpath, char_u *ppath) |
| 7 | 406 { |
| 407 int i; | |
| 408 | |
| 409 if (num < 0 || num > 4 || (num > 0 && !dbpath)) | |
| 410 return FALSE; | |
| 411 | |
| 1931 | 412 for (i = 0; i < csinfo_size; i++) |
| 7 | 413 { |
| 414 if (!csinfo[i].fname) | |
| 415 continue; | |
| 416 | |
| 417 if (num == 0) | |
| 418 return TRUE; | |
| 419 | |
| 420 switch (num) | |
| 421 { | |
| 422 case 1: | |
| 423 if (strstr(csinfo[i].fname, (char *)dbpath)) | |
| 424 return TRUE; | |
| 425 break; | |
| 426 case 2: | |
| 427 if (strcmp(csinfo[i].fname, (char *)dbpath) == 0) | |
| 428 return TRUE; | |
| 429 break; | |
| 430 case 3: | |
| 431 if (strstr(csinfo[i].fname, (char *)dbpath) | |
| 432 && ((!ppath && !csinfo[i].ppath) | |
| 433 || (ppath | |
| 434 && csinfo[i].ppath | |
| 435 && strstr(csinfo[i].ppath, (char *)ppath)))) | |
| 436 return TRUE; | |
| 437 break; | |
| 438 case 4: | |
| 439 if ((strcmp(csinfo[i].fname, (char *)dbpath) == 0) | |
| 440 && ((!ppath && !csinfo[i].ppath) | |
| 441 || (ppath | |
| 442 && csinfo[i].ppath | |
| 443 && (strcmp(csinfo[i].ppath, (char *)ppath) == 0)))) | |
| 444 return TRUE; | |
| 445 break; | |
| 446 } | |
| 447 } | |
| 448 | |
| 449 return FALSE; | |
| 450 } /* cs_connection */ | |
| 451 #endif | |
| 452 | |
| 453 | |
| 454 /* | |
| 455 * PRIVATE functions | |
| 456 ****************************************************************************/ | |
| 457 | |
| 458 /* | |
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459 * Add cscope database or a directory name (to look for cscope.out) |
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460 * to the cscope connection list. |
| 7 | 461 */ |
| 462 static int | |
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463 cs_add(exarg_T *eap UNUSED) |
| 7 | 464 { |
| 465 char *fname, *ppath, *flags = NULL; | |
| 466 | |
| 467 if ((fname = strtok((char *)NULL, (const char *)" ")) == NULL) | |
| 468 { | |
| 469 cs_usage_msg(Add); | |
| 470 return CSCOPE_FAILURE; | |
| 471 } | |
| 472 if ((ppath = strtok((char *)NULL, (const char *)" ")) != NULL) | |
| 473 flags = strtok((char *)NULL, (const char *)" "); | |
| 474 | |
| 475 return cs_add_common(fname, ppath, flags); | |
| 476 } | |
| 477 | |
| 478 static void | |
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479 cs_stat_emsg(char *fname) |
| 7 | 480 { |
| 481 char *stat_emsg = _("E563: stat(%s) error: %d"); | |
| 482 char *buf = (char *)alloc((unsigned)strlen(stat_emsg) + MAXPATHL + 10); | |
| 483 | |
| 484 if (buf != NULL) | |
| 485 { | |
| 486 (void)sprintf(buf, stat_emsg, fname, errno); | |
| 487 (void)EMSG(buf); | |
| 488 vim_free(buf); | |
| 489 } | |
| 490 else | |
| 491 (void)EMSG(_("E563: stat error")); | |
| 492 } | |
| 493 | |
| 494 | |
| 495 /* | |
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496 * The common routine to add a new cscope connection. Called by |
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497 * cs_add() and cs_reset(). I really don't like to do this, but this |
| 7 | 498 * routine uses a number of goto statements. |
| 499 */ | |
| 500 static int | |
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501 cs_add_common( |
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502 char *arg1, /* filename - may contain environment variables */ |
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503 char *arg2, /* prepend path - may contain environment variables */ |
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504 char *flags) |
| 7 | 505 { |
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506 stat_T statbuf; |
| 12 | 507 int ret; |
| 508 char *fname = NULL; | |
| 509 char *fname2 = NULL; | |
| 510 char *ppath = NULL; | |
| 511 int i; | |
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512 #ifdef FEAT_MODIFY_FNAME |
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513 int len; |
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514 int usedlen = 0; |
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515 char_u *fbuf = NULL; |
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516 #endif |
| 7 | 517 |
| 518 /* get the filename (arg1), expand it, and try to stat it */ | |
| 12 | 519 if ((fname = (char *)alloc(MAXPATHL + 1)) == NULL) |
| 7 | 520 goto add_err; |
| 521 | |
| 522 expand_env((char_u *)arg1, (char_u *)fname, MAXPATHL); | |
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523 #ifdef FEAT_MODIFY_FNAME |
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524 len = (int)STRLEN(fname); |
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525 fbuf = (char_u *)fname; |
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526 (void)modify_fname((char_u *)":p", &usedlen, |
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527 (char_u **)&fname, &fbuf, &len); |
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528 if (fname == NULL) |
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529 goto add_err; |
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530 fname = (char *)vim_strnsave((char_u *)fname, len); |
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531 vim_free(fbuf); |
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532 #endif |
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533 ret = mch_stat(fname, &statbuf); |
| 7 | 534 if (ret < 0) |
| 535 { | |
| 536 staterr: | |
| 537 if (p_csverbose) | |
| 538 cs_stat_emsg(fname); | |
| 539 goto add_err; | |
| 540 } | |
| 541 | |
| 542 /* get the prepend path (arg2), expand it, and try to stat it */ | |
| 543 if (arg2 != NULL) | |
| 544 { | |
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545 stat_T statbuf2; |
| 7 | 546 |
| 12 | 547 if ((ppath = (char *)alloc(MAXPATHL + 1)) == NULL) |
| 7 | 548 goto add_err; |
| 549 | |
| 550 expand_env((char_u *)arg2, (char_u *)ppath, MAXPATHL); | |
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551 ret = mch_stat(ppath, &statbuf2); |
| 7 | 552 if (ret < 0) |
| 553 goto staterr; | |
| 554 } | |
| 555 | |
| 556 /* if filename is a directory, append the cscope database name to it */ | |
| 557 if ((statbuf.st_mode & S_IFMT) == S_IFDIR) | |
| 558 { | |
| 835 | 559 fname2 = (char *)alloc((unsigned)(strlen(CSCOPE_DBFILE) + strlen(fname) + 2)); |
| 7 | 560 if (fname2 == NULL) |
| 561 goto add_err; | |
| 562 | |
| 563 while (fname[strlen(fname)-1] == '/' | |
| 564 #ifdef WIN32 | |
| 565 || fname[strlen(fname)-1] == '\\' | |
| 566 #endif | |
| 567 ) | |
| 568 { | |
| 569 fname[strlen(fname)-1] = '\0'; | |
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570 if (fname[0] == '\0') |
| 7 | 571 break; |
| 572 } | |
| 573 if (fname[0] == '\0') | |
| 574 (void)sprintf(fname2, "/%s", CSCOPE_DBFILE); | |
| 575 else | |
| 576 (void)sprintf(fname2, "%s/%s", fname, CSCOPE_DBFILE); | |
| 577 | |
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578 ret = mch_stat(fname2, &statbuf); |
| 7 | 579 if (ret < 0) |
| 580 { | |
| 581 if (p_csverbose) | |
| 582 cs_stat_emsg(fname2); | |
| 583 goto add_err; | |
| 584 } | |
| 585 | |
| 586 i = cs_insert_filelist(fname2, ppath, flags, &statbuf); | |
| 587 } | |
| 588 #if defined(UNIX) | |
| 589 else if (S_ISREG(statbuf.st_mode) || S_ISLNK(statbuf.st_mode)) | |
| 590 #else | |
| 1385 | 591 /* WIN32 - substitute define S_ISREG from os_unix.h */ |
| 7 | 592 else if (((statbuf.st_mode) & S_IFMT) == S_IFREG) |
| 593 #endif | |
| 594 { | |
| 595 i = cs_insert_filelist(fname, ppath, flags, &statbuf); | |
| 596 } | |
| 597 else | |
| 598 { | |
| 599 if (p_csverbose) | |
| 600 (void)EMSG2( | |
| 601 _("E564: %s is not a directory or a valid cscope database"), | |
| 602 fname); | |
| 603 goto add_err; | |
| 604 } | |
| 605 | |
| 606 if (i != -1) | |
| 607 { | |
| 608 if (cs_create_connection(i) == CSCOPE_FAILURE | |
| 609 || cs_read_prompt(i) == CSCOPE_FAILURE) | |
| 610 { | |
| 611 cs_release_csp(i, TRUE); | |
| 612 goto add_err; | |
| 613 } | |
| 614 | |
| 615 if (p_csverbose) | |
| 616 { | |
| 617 msg_clr_eos(); | |
| 618 (void)smsg_attr(hl_attr(HLF_R), | |
| 619 (char_u *)_("Added cscope database %s"), | |
| 620 csinfo[i].fname); | |
| 621 } | |
| 622 } | |
| 623 | |
| 624 vim_free(fname); | |
| 625 vim_free(fname2); | |
| 626 vim_free(ppath); | |
| 627 return CSCOPE_SUCCESS; | |
| 628 | |
| 629 add_err: | |
| 630 vim_free(fname2); | |
| 631 vim_free(fname); | |
| 632 vim_free(ppath); | |
| 633 return CSCOPE_FAILURE; | |
| 634 } /* cs_add_common */ | |
| 635 | |
| 636 | |
| 637 static int | |
|
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diff
changeset
|
638 cs_check_for_connections(void) |
| 7 | 639 { |
| 640 return (cs_cnt_connections() > 0); | |
| 641 } /* cs_check_for_connections */ | |
| 642 | |
| 643 | |
| 644 static int | |
|
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|
645 cs_check_for_tags(void) |
| 7 | 646 { |
| 301 | 647 return (p_tags[0] != NUL && curbuf->b_p_tags != NULL); |
| 7 | 648 } /* cs_check_for_tags */ |
| 649 | |
| 650 | |
| 651 /* | |
|
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commit https://github.com/vim/vim/commit/d4db7719bdfbc54df396eac08d8cbb2389feacf4
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|
652 * Count the number of cscope connections. |
| 7 | 653 */ |
| 654 static int | |
|
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|
655 cs_cnt_connections(void) |
| 7 | 656 { |
| 657 short i; | |
| 658 short cnt = 0; | |
| 659 | |
| 1931 | 660 for (i = 0; i < csinfo_size; i++) |
| 7 | 661 { |
| 662 if (csinfo[i].fname != NULL) | |
| 663 cnt++; | |
| 664 } | |
| 665 return cnt; | |
| 666 } /* cs_cnt_connections */ | |
| 667 | |
| 668 static void | |
|
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669 cs_reading_emsg( |
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|
670 int idx) /* connection index */ |
| 7 | 671 { |
| 672 EMSGN(_("E262: error reading cscope connection %ld"), idx); | |
| 673 } | |
| 674 | |
| 675 #define CSREAD_BUFSIZE 2048 | |
| 676 /* | |
|
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commit https://github.com/vim/vim/commit/d4db7719bdfbc54df396eac08d8cbb2389feacf4
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677 * Count the number of matches for a given cscope connection. |
| 7 | 678 */ |
| 679 static int | |
|
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diff
changeset
|
680 cs_cnt_matches(int idx) |
| 7 | 681 { |
| 682 char *stok; | |
| 683 char *buf; | |
| 684 int nlines; | |
| 685 | |
| 686 buf = (char *)alloc(CSREAD_BUFSIZE); | |
| 687 if (buf == NULL) | |
| 688 return 0; | |
| 689 for (;;) | |
| 690 { | |
| 691 if (!fgets(buf, CSREAD_BUFSIZE, csinfo[idx].fr_fp)) | |
| 692 { | |
| 693 if (feof(csinfo[idx].fr_fp)) | |
| 694 errno = EIO; | |
| 695 | |
| 696 cs_reading_emsg(idx); | |
| 697 | |
| 698 vim_free(buf); | |
| 699 return -1; | |
| 700 } | |
| 701 | |
| 702 /* | |
| 703 * If the database is out of date, or there's some other problem, | |
| 704 * cscope will output error messages before the number-of-lines output. | |
| 705 * Display/discard any output that doesn't match what we want. | |
| 1058 | 706 * Accept "\S*cscope: X lines", also matches "mlcscope". |
| 7 | 707 */ |
| 708 if ((stok = strtok(buf, (const char *)" ")) == NULL) | |
| 709 continue; | |
| 1058 | 710 if (strstr((const char *)stok, "cscope:") == NULL) |
| 7 | 711 continue; |
| 712 | |
| 713 if ((stok = strtok(NULL, (const char *)" ")) == NULL) | |
| 714 continue; | |
| 715 nlines = atoi(stok); | |
| 716 if (nlines < 0) | |
| 717 { | |
| 718 nlines = 0; | |
| 719 break; | |
| 720 } | |
| 721 | |
| 722 if ((stok = strtok(NULL, (const char *)" ")) == NULL) | |
| 723 continue; | |
| 724 if (strncmp((const char *)stok, "lines", 5)) | |
| 725 continue; | |
| 726 | |
| 727 break; | |
| 728 } | |
| 729 | |
| 730 vim_free(buf); | |
| 731 return nlines; | |
| 732 } /* cs_cnt_matches */ | |
| 733 | |
| 734 | |
| 735 /* | |
| 736 * Creates the actual cscope command query from what the user entered. | |
| 737 */ | |
| 738 static char * | |
|
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739 cs_create_cmd(char *csoption, char *pattern) |
| 7 | 740 { |
| 741 char *cmd; | |
| 742 short search; | |
| 1847 | 743 char *pat; |
| 7 | 744 |
| 745 switch (csoption[0]) | |
| 746 { | |
| 747 case '0' : case 's' : | |
| 748 search = 0; | |
| 749 break; | |
| 750 case '1' : case 'g' : | |
| 751 search = 1; | |
| 752 break; | |
| 753 case '2' : case 'd' : | |
| 754 search = 2; | |
| 755 break; | |
| 756 case '3' : case 'c' : | |
| 757 search = 3; | |
| 758 break; | |
| 759 case '4' : case 't' : | |
| 760 search = 4; | |
| 761 break; | |
| 762 case '6' : case 'e' : | |
| 763 search = 6; | |
| 764 break; | |
| 765 case '7' : case 'f' : | |
| 766 search = 7; | |
| 767 break; | |
| 768 case '8' : case 'i' : | |
| 769 search = 8; | |
| 770 break; | |
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771 case '9' : case 'a' : |
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772 search = 9; |
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|
773 break; |
| 7 | 774 default : |
| 775 (void)EMSG(_("E561: unknown cscope search type")); | |
| 776 cs_usage_msg(Find); | |
| 777 return NULL; | |
| 778 } | |
| 779 | |
| 1847 | 780 /* Skip white space before the patter, except for text and pattern search, |
| 781 * they may want to use the leading white space. */ | |
| 782 pat = pattern; | |
| 783 if (search != 4 && search != 6) | |
| 784 while vim_iswhite(*pat) | |
| 785 ++pat; | |
| 786 | |
| 787 if ((cmd = (char *)alloc((unsigned)(strlen(pat) + 2))) == NULL) | |
| 7 | 788 return NULL; |
| 789 | |
| 1847 | 790 (void)sprintf(cmd, "%d%s", search, pat); |
| 7 | 791 |
| 792 return cmd; | |
| 793 } /* cs_create_cmd */ | |
| 794 | |
| 795 | |
| 796 /* | |
| 797 * This piece of code was taken/adapted from nvi. do we need to add | |
| 798 * the BSD license notice? | |
| 799 */ | |
| 800 static int | |
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801 cs_create_connection(int i) |
| 7 | 802 { |
| 1385 | 803 #ifdef UNIX |
| 804 int to_cs[2], from_cs[2]; | |
| 805 #endif | |
| 806 int len; | |
| 807 char *prog, *cmd, *ppath = NULL; | |
| 808 #ifdef WIN32 | |
| 809 int fd; | |
| 810 SECURITY_ATTRIBUTES sa; | |
| 811 PROCESS_INFORMATION pi; | |
| 812 STARTUPINFO si; | |
| 813 BOOL pipe_stdin = FALSE, pipe_stdout = FALSE; | |
| 814 HANDLE stdin_rd, stdout_rd; | |
| 815 HANDLE stdout_wr, stdin_wr; | |
| 816 BOOL created; | |
|
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817 # if (defined(_MSC_VER) && (_MSC_VER >= 1300)) || defined(__MINGW32__) |
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818 # define OPEN_OH_ARGTYPE intptr_t |
| 1393 | 819 # else |
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820 # define OPEN_OH_ARGTYPE long |
| 1393 | 821 # endif |
| 7 | 822 #endif |
| 823 | |
| 1385 | 824 #if defined(UNIX) |
| 7 | 825 /* |
| 826 * Cscope reads from to_cs[0] and writes to from_cs[1]; vi reads from | |
| 827 * from_cs[0] and writes to to_cs[1]. | |
| 828 */ | |
| 829 to_cs[0] = to_cs[1] = from_cs[0] = from_cs[1] = -1; | |
| 830 if (pipe(to_cs) < 0 || pipe(from_cs) < 0) | |
| 831 { | |
| 832 (void)EMSG(_("E566: Could not create cscope pipes")); | |
| 833 err_closing: | |
| 834 if (to_cs[0] != -1) | |
| 835 (void)close(to_cs[0]); | |
| 836 if (to_cs[1] != -1) | |
| 837 (void)close(to_cs[1]); | |
| 838 if (from_cs[0] != -1) | |
| 839 (void)close(from_cs[0]); | |
| 840 if (from_cs[1] != -1) | |
| 841 (void)close(from_cs[1]); | |
| 842 return CSCOPE_FAILURE; | |
| 843 } | |
| 844 | |
| 845 switch (csinfo[i].pid = fork()) | |
| 846 { | |
| 847 case -1: | |
| 848 (void)EMSG(_("E622: Could not fork for cscope")); | |
| 849 goto err_closing; | |
| 850 case 0: /* child: run cscope. */ | |
| 851 if (dup2(to_cs[0], STDIN_FILENO) == -1) | |
| 852 PERROR("cs_create_connection 1"); | |
| 853 if (dup2(from_cs[1], STDOUT_FILENO) == -1) | |
| 854 PERROR("cs_create_connection 2"); | |
| 855 if (dup2(from_cs[1], STDERR_FILENO) == -1) | |
| 856 PERROR("cs_create_connection 3"); | |
| 857 | |
| 858 /* close unused */ | |
| 859 (void)close(to_cs[1]); | |
| 860 (void)close(from_cs[0]); | |
| 861 #else | |
| 1385 | 862 /* WIN32 */ |
| 863 /* Create pipes to communicate with cscope */ | |
| 864 sa.nLength = sizeof(SECURITY_ATTRIBUTES); | |
| 865 sa.bInheritHandle = TRUE; | |
| 866 sa.lpSecurityDescriptor = NULL; | |
| 867 | |
| 868 if (!(pipe_stdin = CreatePipe(&stdin_rd, &stdin_wr, &sa, 0)) | |
| 869 || !(pipe_stdout = CreatePipe(&stdout_rd, &stdout_wr, &sa, 0))) | |
| 870 { | |
| 871 (void)EMSG(_("E566: Could not create cscope pipes")); | |
| 872 err_closing: | |
| 873 if (pipe_stdin) | |
| 874 { | |
| 875 CloseHandle(stdin_rd); | |
| 876 CloseHandle(stdin_wr); | |
| 877 } | |
| 878 if (pipe_stdout) | |
| 879 { | |
| 880 CloseHandle(stdout_rd); | |
| 881 CloseHandle(stdout_wr); | |
| 882 } | |
| 883 return CSCOPE_FAILURE; | |
| 884 } | |
| 7 | 885 #endif |
| 886 /* expand the cscope exec for env var's */ | |
| 887 if ((prog = (char *)alloc(MAXPATHL + 1)) == NULL) | |
| 888 { | |
| 889 #ifdef UNIX | |
| 890 return CSCOPE_FAILURE; | |
| 891 #else | |
| 1385 | 892 /* WIN32 */ |
| 7 | 893 goto err_closing; |
| 894 #endif | |
| 895 } | |
| 896 expand_env((char_u *)p_csprg, (char_u *)prog, MAXPATHL); | |
| 897 | |
| 898 /* alloc space to hold the cscope command */ | |
| 835 | 899 len = (int)(strlen(prog) + strlen(csinfo[i].fname) + 32); |
| 7 | 900 if (csinfo[i].ppath) |
| 901 { | |
| 902 /* expand the prepend path for env var's */ | |
| 903 if ((ppath = (char *)alloc(MAXPATHL + 1)) == NULL) | |
| 904 { | |
| 905 vim_free(prog); | |
| 906 #ifdef UNIX | |
| 907 return CSCOPE_FAILURE; | |
| 908 #else | |
| 1385 | 909 /* WIN32 */ |
| 7 | 910 goto err_closing; |
| 911 #endif | |
| 912 } | |
| 913 expand_env((char_u *)csinfo[i].ppath, (char_u *)ppath, MAXPATHL); | |
| 914 | |
| 835 | 915 len += (int)strlen(ppath); |
| 7 | 916 } |
| 917 | |
| 918 if (csinfo[i].flags) | |
| 835 | 919 len += (int)strlen(csinfo[i].flags); |
| 7 | 920 |
| 921 if ((cmd = (char *)alloc(len)) == NULL) | |
| 922 { | |
| 923 vim_free(prog); | |
| 924 vim_free(ppath); | |
| 925 #ifdef UNIX | |
| 926 return CSCOPE_FAILURE; | |
| 927 #else | |
| 1385 | 928 /* WIN32 */ |
| 7 | 929 goto err_closing; |
| 930 #endif | |
| 931 } | |
| 932 | |
| 933 /* run the cscope command; is there execl for non-unix systems? */ | |
| 934 #if defined(UNIX) | |
| 935 (void)sprintf(cmd, "exec %s -dl -f %s", prog, csinfo[i].fname); | |
| 936 #else | |
| 1385 | 937 /* WIN32 */ |
| 7 | 938 (void)sprintf(cmd, "%s -dl -f %s", prog, csinfo[i].fname); |
| 939 #endif | |
| 940 if (csinfo[i].ppath != NULL) | |
| 941 { | |
| 942 (void)strcat(cmd, " -P"); | |
| 943 (void)strcat(cmd, csinfo[i].ppath); | |
| 944 } | |
| 945 if (csinfo[i].flags != NULL) | |
| 946 { | |
| 947 (void)strcat(cmd, " "); | |
| 948 (void)strcat(cmd, csinfo[i].flags); | |
| 949 } | |
| 950 # ifdef UNIX | |
| 951 /* on Win32 we still need prog */ | |
| 952 vim_free(prog); | |
| 953 # endif | |
| 954 vim_free(ppath); | |
| 955 | |
| 956 #if defined(UNIX) | |
|
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957 # if defined(HAVE_SETSID) || defined(HAVE_SETPGID) |
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958 /* Change our process group to avoid cscope receiving SIGWINCH. */ |
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959 # if defined(HAVE_SETSID) |
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960 (void)setsid(); |
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961 # else |
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962 if (setpgid(0, 0) == -1) |
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963 PERROR(_("cs_create_connection setpgid failed")); |
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964 # endif |
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|
965 # endif |
| 1878 | 966 if (execl("/bin/sh", "sh", "-c", cmd, (char *)NULL) == -1) |
| 7 | 967 PERROR(_("cs_create_connection exec failed")); |
| 968 | |
| 969 exit(127); | |
| 970 /* NOTREACHED */ | |
| 971 default: /* parent. */ | |
| 972 /* | |
| 973 * Save the file descriptors for later duplication, and | |
| 974 * reopen as streams. | |
| 975 */ | |
| 976 if ((csinfo[i].to_fp = fdopen(to_cs[1], "w")) == NULL) | |
| 977 PERROR(_("cs_create_connection: fdopen for to_fp failed")); | |
| 978 if ((csinfo[i].fr_fp = fdopen(from_cs[0], "r")) == NULL) | |
| 979 PERROR(_("cs_create_connection: fdopen for fr_fp failed")); | |
| 980 | |
| 981 /* close unused */ | |
| 982 (void)close(to_cs[0]); | |
| 983 (void)close(from_cs[1]); | |
| 984 | |
| 985 break; | |
| 986 } | |
| 1385 | 987 |
| 7 | 988 #else |
| 1385 | 989 /* WIN32 */ |
| 990 /* Create a new process to run cscope and use pipes to talk with it */ | |
| 991 GetStartupInfo(&si); | |
| 992 si.dwFlags = STARTF_USESTDHANDLES | STARTF_USESHOWWINDOW; | |
| 993 si.wShowWindow = SW_HIDE; /* Hide child application window */ | |
| 994 si.hStdOutput = stdout_wr; | |
| 995 si.hStdError = stdout_wr; | |
| 996 si.hStdInput = stdin_rd; | |
| 997 created = CreateProcess(NULL, cmd, NULL, NULL, TRUE, CREATE_NEW_CONSOLE, | |
| 998 NULL, NULL, &si, &pi); | |
| 999 vim_free(prog); | |
| 1000 vim_free(cmd); | |
| 1001 | |
| 1002 if (!created) | |
| 1003 { | |
| 1004 PERROR(_("cs_create_connection exec failed")); | |
| 1005 (void)EMSG(_("E623: Could not spawn cscope process")); | |
| 1006 goto err_closing; | |
| 1007 } | |
| 1008 /* else */ | |
| 1009 csinfo[i].pid = pi.dwProcessId; | |
| 1010 csinfo[i].hProc = pi.hProcess; | |
| 1011 CloseHandle(pi.hThread); | |
| 1012 | |
| 1013 /* TODO - tidy up after failure to create files on pipe handles. */ | |
| 1393 | 1014 if (((fd = _open_osfhandle((OPEN_OH_ARGTYPE)stdin_wr, |
| 1015 _O_TEXT|_O_APPEND)) < 0) | |
| 1385 | 1016 || ((csinfo[i].to_fp = _fdopen(fd, "w")) == NULL)) |
| 1017 PERROR(_("cs_create_connection: fdopen for to_fp failed")); | |
| 1393 | 1018 if (((fd = _open_osfhandle((OPEN_OH_ARGTYPE)stdout_rd, |
| 1019 _O_TEXT|_O_RDONLY)) < 0) | |
| 1385 | 1020 || ((csinfo[i].fr_fp = _fdopen(fd, "r")) == NULL)) |
| 1021 PERROR(_("cs_create_connection: fdopen for fr_fp failed")); | |
| 1022 | |
| 1023 /* Close handles for file descriptors inherited by the cscope process */ | |
| 1024 CloseHandle(stdin_rd); | |
| 1025 CloseHandle(stdout_wr); | |
| 1026 | |
| 1027 #endif /* !UNIX */ | |
| 1028 | |
| 7 | 1029 return CSCOPE_SUCCESS; |
| 1030 } /* cs_create_connection */ | |
| 1031 | |
| 1032 | |
| 1033 /* | |
| 7009 | 1034 * Query cscope using command line interface. Parse the output and use tselect |
| 1035 * to allow choices. Like Nvi, creates a pipe to send to/from query/cscope. | |
| 7 | 1036 * |
| 1037 * returns TRUE if we jump to a tag or abort, FALSE if not. | |
| 1038 */ | |
| 1039 static int | |
|
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diff
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1040 cs_find(exarg_T *eap) |
| 7 | 1041 { |
| 1042 char *opt, *pat; | |
|
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1043 int i; |
| 7 | 1044 |
| 1045 if (cs_check_for_connections() == FALSE) | |
| 1046 { | |
| 1047 (void)EMSG(_("E567: no cscope connections")); | |
| 1048 return FALSE; | |
| 1049 } | |
| 1050 | |
| 1051 if ((opt = strtok((char *)NULL, (const char *)" ")) == NULL) | |
| 1052 { | |
| 1053 cs_usage_msg(Find); | |
| 1054 return FALSE; | |
| 1055 } | |
| 1056 | |
| 1057 pat = opt + strlen(opt) + 1; | |
| 1372 | 1058 if (pat >= (char *)eap->arg + eap_arg_len) |
| 7 | 1059 { |
| 1060 cs_usage_msg(Find); | |
| 1061 return FALSE; | |
| 1062 } | |
| 1063 | |
|
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1064 /* |
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1065 * Let's replace the NULs written by strtok() with spaces - we need the |
|
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1066 * spaces to correctly display the quickfix/location list window's title. |
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1067 */ |
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1068 for (i = 0; i < eap_arg_len; ++i) |
|
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1069 if (NUL == eap->arg[i]) |
|
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1070 eap->arg[i] = ' '; |
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1071 |
| 665 | 1072 return cs_find_common(opt, pat, eap->forceit, TRUE, |
|
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1073 eap->cmdidx == CMD_lcscope, *eap->cmdlinep); |
| 7 | 1074 } /* cs_find */ |
| 1075 | |
| 1076 | |
| 1077 /* | |
|
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1078 * Common code for cscope find, shared by cs_find() and ex_cstag(). |
| 7 | 1079 */ |
| 1080 static int | |
|
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1081 cs_find_common( |
|
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1082 char *opt, |
|
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1083 char *pat, |
|
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1084 int forceit, |
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1085 int verbose, |
|
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1086 int use_ll UNUSED, |
|
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1087 char_u *cmdline UNUSED) |
| 7 | 1088 { |
| 1089 int i; | |
| 1090 char *cmd; | |
| 1931 | 1091 int *nummatches; |
| 1092 int totmatches; | |
| 7 | 1093 #ifdef FEAT_QUICKFIX |
| 1094 char cmdletter; | |
| 1095 char *qfpos; | |
|
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1096 |
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1097 /* get cmd letter */ |
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1098 switch (opt[0]) |
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1099 { |
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1100 case '0' : |
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1101 cmdletter = 's'; |
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1102 break; |
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1103 case '1' : |
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1104 cmdletter = 'g'; |
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1105 break; |
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1106 case '2' : |
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1107 cmdletter = 'd'; |
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1108 break; |
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1109 case '3' : |
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1110 cmdletter = 'c'; |
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1111 break; |
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1112 case '4' : |
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1113 cmdletter = 't'; |
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1114 break; |
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1115 case '6' : |
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1116 cmdletter = 'e'; |
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1117 break; |
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1118 case '7' : |
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1119 cmdletter = 'f'; |
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1120 break; |
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1121 case '8' : |
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1122 cmdletter = 'i'; |
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1123 break; |
|
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1124 case '9' : |
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1125 cmdletter = 'a'; |
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1126 break; |
|
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1127 default : |
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1128 cmdletter = opt[0]; |
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1129 } |
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1130 |
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1131 qfpos = (char *)vim_strchr(p_csqf, cmdletter); |
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1132 if (qfpos != NULL) |
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1133 { |
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1134 qfpos++; |
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1135 /* next symbol must be + or - */ |
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1136 if (strchr(CSQF_FLAGS, *qfpos) == NULL) |
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1137 { |
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1138 char *nf = _("E469: invalid cscopequickfix flag %c for %c"); |
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1139 char *buf = (char *)alloc((unsigned)strlen(nf)); |
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1140 |
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1141 /* strlen will be enough because we use chars */ |
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1142 if (buf != NULL) |
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1143 { |
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1144 sprintf(buf, nf, *qfpos, *(qfpos-1)); |
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1145 (void)EMSG(buf); |
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1146 vim_free(buf); |
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1147 } |
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1148 return FALSE; |
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1149 } |
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1150 |
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1151 # ifdef FEAT_AUTOCMD |
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1152 if (*qfpos != '0' |
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1153 && apply_autocmds(EVENT_QUICKFIXCMDPRE, (char_u *)"cscope", |
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1154 curbuf->b_fname, TRUE, curbuf)) |
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1155 { |
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1156 # ifdef FEAT_EVAL |
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1157 if (aborting()) |
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1158 return FALSE; |
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1159 # endif |
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1160 } |
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1161 # endif |
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1162 } |
| 7 | 1163 #endif |
| 1164 | |
| 1165 /* create the actual command to send to cscope */ | |
| 1166 cmd = cs_create_cmd(opt, pat); | |
| 1167 if (cmd == NULL) | |
| 1168 return FALSE; | |
| 1169 | |
| 1931 | 1170 nummatches = (int *)alloc(sizeof(int)*csinfo_size); |
| 1171 if (nummatches == NULL) | |
| 7009 | 1172 { |
| 1173 vim_free(cmd); | |
| 1931 | 1174 return FALSE; |
| 7009 | 1175 } |
| 1931 | 1176 |
| 4352 | 1177 /* Send query to all open connections, then count the total number |
| 1178 * of matches so we can alloc all in one swell foop. */ | |
| 1931 | 1179 for (i = 0; i < csinfo_size; i++) |
| 7 | 1180 nummatches[i] = 0; |
| 1181 totmatches = 0; | |
| 1931 | 1182 for (i = 0; i < csinfo_size; i++) |
| 7 | 1183 { |
| 1040 | 1184 if (csinfo[i].fname == NULL || csinfo[i].to_fp == NULL) |
| 7 | 1185 continue; |
| 1186 | |
| 1187 /* send cmd to cscope */ | |
| 1188 (void)fprintf(csinfo[i].to_fp, "%s\n", cmd); | |
| 1189 (void)fflush(csinfo[i].to_fp); | |
| 1190 | |
| 1191 nummatches[i] = cs_cnt_matches(i); | |
| 1192 | |
| 1193 if (nummatches[i] > -1) | |
| 1194 totmatches += nummatches[i]; | |
| 1195 | |
| 1196 if (nummatches[i] == 0) | |
| 1197 (void)cs_read_prompt(i); | |
| 1198 } | |
| 1199 vim_free(cmd); | |
| 1200 | |
| 1201 if (totmatches == 0) | |
| 1202 { | |
| 1203 char *nf = _("E259: no matches found for cscope query %s of %s"); | |
| 1204 char *buf; | |
| 1205 | |
| 1206 if (!verbose) | |
| 1931 | 1207 { |
| 1208 vim_free(nummatches); | |
| 7 | 1209 return FALSE; |
| 1931 | 1210 } |
| 7 | 1211 |
| 835 | 1212 buf = (char *)alloc((unsigned)(strlen(opt) + strlen(pat) + strlen(nf))); |
| 7 | 1213 if (buf == NULL) |
| 1214 (void)EMSG(nf); | |
| 1215 else | |
| 1216 { | |
| 1217 sprintf(buf, nf, opt, pat); | |
| 1218 (void)EMSG(buf); | |
| 1219 vim_free(buf); | |
| 1220 } | |
| 1931 | 1221 vim_free(nummatches); |
| 7 | 1222 return FALSE; |
| 1223 } | |
| 1224 | |
| 1225 #ifdef FEAT_QUICKFIX | |
| 36 | 1226 if (qfpos != NULL && *qfpos != '0' && totmatches > 0) |
| 7 | 1227 { |
| 1228 /* fill error list */ | |
| 1027 | 1229 FILE *f; |
| 6721 | 1230 char_u *tmp = vim_tempname('c', TRUE); |
| 665 | 1231 qf_info_T *qi = NULL; |
| 1232 win_T *wp = NULL; | |
| 7 | 1233 |
| 531 | 1234 f = mch_fopen((char *)tmp, "w"); |
| 1027 | 1235 if (f == NULL) |
| 1236 EMSG2(_(e_notopen), tmp); | |
| 1237 else | |
| 7 | 1238 { |
| 1027 | 1239 cs_file_results(f, nummatches); |
| 1240 fclose(f); | |
| 1241 if (use_ll) /* Use location list */ | |
| 1242 wp = curwin; | |
| 1243 /* '-' starts a new error list */ | |
| 1244 if (qf_init(wp, tmp, (char_u *)"%f%*\\t%l%*\\t%m", | |
|
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1245 *qfpos == '-', cmdline) > 0) |
| 1027 | 1246 { |
| 7 | 1247 # ifdef FEAT_WINDOWS |
| 1027 | 1248 if (postponed_split != 0) |
| 1249 { | |
| 7009 | 1250 (void)win_split(postponed_split > 0 ? postponed_split : 0, |
| 7 | 1251 postponed_split_flags); |
| 2583 | 1252 RESET_BINDING(curwin); |
| 1027 | 1253 postponed_split = 0; |
| 1254 } | |
| 7 | 1255 # endif |
|
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1256 |
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1257 # ifdef FEAT_AUTOCMD |
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1258 apply_autocmds(EVENT_QUICKFIXCMDPOST, (char_u *)"cscope", |
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1259 curbuf->b_fname, TRUE, curbuf); |
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1260 # endif |
| 1027 | 1261 if (use_ll) |
| 1262 /* | |
| 1263 * In the location list window, use the displayed location | |
| 1264 * list. Otherwise, use the location list for the window. | |
| 1265 */ | |
| 1266 qi = (bt_quickfix(wp->w_buffer) && wp->w_llist_ref != NULL) | |
| 1267 ? wp->w_llist_ref : wp->w_llist; | |
| 1268 qf_jump(qi, 0, 0, forceit); | |
| 1269 } | |
| 7 | 1270 } |
| 1271 mch_remove(tmp); | |
| 1272 vim_free(tmp); | |
| 1931 | 1273 vim_free(nummatches); |
| 7 | 1274 return TRUE; |
| 1275 } | |
| 1276 else | |
| 1277 #endif /* FEAT_QUICKFIX */ | |
| 1278 { | |
| 944 | 1279 char **matches = NULL, **contexts = NULL; |
| 1280 int matched = 0; | |
| 1281 | |
| 7 | 1282 /* read output */ |
| 1283 cs_fill_results((char *)pat, totmatches, nummatches, &matches, | |
| 1284 &contexts, &matched); | |
| 1931 | 1285 vim_free(nummatches); |
| 7 | 1286 if (matches == NULL) |
| 1287 return FALSE; | |
| 1288 | |
| 293 | 1289 (void)cs_manage_matches(matches, contexts, matched, Store); |
| 7 | 1290 |
| 1291 return do_tag((char_u *)pat, DT_CSCOPE, 0, forceit, verbose); | |
| 1292 } | |
| 1293 | |
| 1294 } /* cs_find_common */ | |
| 1295 | |
| 1296 /* | |
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1297 * Print help. |
| 7 | 1298 */ |
| 1299 static int | |
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1300 cs_help(exarg_T *eap UNUSED) |
| 7 | 1301 { |
| 1302 cscmd_T *cmdp = cs_cmds; | |
| 1303 | |
| 1304 (void)MSG_PUTS(_("cscope commands:\n")); | |
| 1305 while (cmdp->name != NULL) | |
| 1306 { | |
| 1793 | 1307 char *help = _(cmdp->help); |
| 1308 int space_cnt = 30 - vim_strsize((char_u *)help); | |
| 1309 | |
| 1310 /* Use %*s rather than %30s to ensure proper alignment in utf-8 */ | |
| 1311 if (space_cnt < 0) | |
| 1312 space_cnt = 0; | |
| 1313 (void)smsg((char_u *)_("%-5s: %s%*s (Usage: %s)"), | |
| 1314 cmdp->name, | |
| 1315 help, space_cnt, " ", | |
| 1316 cmdp->usage); | |
| 7 | 1317 if (strcmp(cmdp->name, "find") == 0) |
| 1706 | 1318 MSG_PUTS(_("\n" |
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1319 " a: Find assignments to this symbol\n" |
| 1706 | 1320 " c: Find functions calling this function\n" |
| 1321 " d: Find functions called by this function\n" | |
| 1322 " e: Find this egrep pattern\n" | |
| 1323 " f: Find this file\n" | |
| 1324 " g: Find this definition\n" | |
| 1325 " i: Find files #including this file\n" | |
| 1326 " s: Find this C symbol\n" | |
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1327 " t: Find this text string\n")); |
| 1706 | 1328 |
| 7 | 1329 cmdp++; |
| 1330 } | |
| 1331 | |
| 1332 wait_return(TRUE); | |
| 1333 return 0; | |
| 1334 } /* cs_help */ | |
| 1335 | |
| 1336 | |
| 1337 static void | |
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1338 clear_csinfo(int i) |
| 7 | 1339 { |
| 1340 csinfo[i].fname = NULL; | |
| 1341 csinfo[i].ppath = NULL; | |
| 1342 csinfo[i].flags = NULL; | |
| 1343 #if defined(UNIX) | |
| 1344 csinfo[i].st_dev = (dev_t)0; | |
| 1345 csinfo[i].st_ino = (ino_t)0; | |
| 1346 #else | |
| 1347 csinfo[i].nVolume = 0; | |
| 1348 csinfo[i].nIndexHigh = 0; | |
| 1349 csinfo[i].nIndexLow = 0; | |
| 1350 #endif | |
| 1621 | 1351 csinfo[i].pid = 0; |
| 7 | 1352 csinfo[i].fr_fp = NULL; |
| 1353 csinfo[i].to_fp = NULL; | |
| 301 | 1354 #if defined(WIN32) |
| 1355 csinfo[i].hProc = NULL; | |
| 1356 #endif | |
| 7 | 1357 } |
| 1358 | |
| 1359 #ifndef UNIX | |
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1360 static char *GetWin32Error(void); |
| 7 | 1361 |
| 1362 static char * | |
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1363 GetWin32Error(void) |
| 7 | 1364 { |
| 1365 char *msg = NULL; | |
| 1366 FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER|FORMAT_MESSAGE_FROM_SYSTEM, | |
| 1367 NULL, GetLastError(), 0, (LPSTR)&msg, 0, NULL); | |
| 1368 if (msg != NULL) | |
| 1369 { | |
| 1370 /* remove trailing \r\n */ | |
| 1371 char *pcrlf = strstr(msg, "\r\n"); | |
| 1372 if (pcrlf != NULL) | |
| 1373 *pcrlf = '\0'; | |
| 1374 } | |
| 1375 return msg; | |
| 1376 } | |
| 1377 #endif | |
| 323 | 1378 |
| 7 | 1379 /* |
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1380 * Insert a new cscope database filename into the filelist. |
| 7 | 1381 */ |
| 1382 static int | |
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1383 cs_insert_filelist( |
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1384 char *fname, |
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1385 char *ppath, |
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1386 char *flags, |
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1387 stat_T *sb UNUSED) |
| 7 | 1388 { |
| 1389 short i, j; | |
| 1390 #ifndef UNIX | |
| 1391 BY_HANDLE_FILE_INFORMATION bhfi; | |
| 1392 | |
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1393 switch (win32_fileinfo((char_u *)fname, &bhfi)) |
| 7 | 1394 { |
| 2793 | 1395 case FILEINFO_ENC_FAIL: /* enc_to_utf16() failed */ |
| 1396 case FILEINFO_READ_FAIL: /* CreateFile() failed */ | |
| 7 | 1397 if (p_csverbose) |
| 1398 { | |
| 1399 char *cant_msg = _("E625: cannot open cscope database: %s"); | |
| 1400 char *winmsg = GetWin32Error(); | |
| 1401 | |
| 1402 if (winmsg != NULL) | |
| 1403 { | |
| 1404 (void)EMSG2(cant_msg, winmsg); | |
| 1405 LocalFree(winmsg); | |
| 1406 } | |
| 1407 else | |
| 1408 /* subst filename if can't get error text */ | |
| 1409 (void)EMSG2(cant_msg, fname); | |
| 1410 } | |
| 1411 return -1; | |
| 2793 | 1412 |
| 1413 case FILEINFO_INFO_FAIL: /* GetFileInformationByHandle() failed */ | |
| 7 | 1414 if (p_csverbose) |
| 1415 (void)EMSG(_("E626: cannot get cscope database information")); | |
| 1416 return -1; | |
| 1417 } | |
| 1418 #endif | |
| 1419 | |
| 1420 i = -1; /* can be set to the index of an empty item in csinfo */ | |
| 1931 | 1421 for (j = 0; j < csinfo_size; j++) |
| 7 | 1422 { |
| 1423 if (csinfo[j].fname != NULL | |
| 1424 #if defined(UNIX) | |
| 1425 && csinfo[j].st_dev == sb->st_dev && csinfo[j].st_ino == sb->st_ino | |
| 1426 #else | |
| 1427 /* compare pathnames first */ | |
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1428 && ((fullpathcmp((char_u *)csinfo[j].fname, |
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1429 (char_u *)fname, FALSE) & FPC_SAME) |
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1430 /* test index file attributes too */ |
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1431 || (csinfo[j].nVolume == bhfi.dwVolumeSerialNumber |
| 7 | 1432 && csinfo[j].nIndexHigh == bhfi.nFileIndexHigh |
| 1433 && csinfo[j].nIndexLow == bhfi.nFileIndexLow)) | |
| 1434 #endif | |
| 1435 ) | |
| 1436 { | |
| 1437 if (p_csverbose) | |
| 1438 (void)EMSG(_("E568: duplicate cscope database not added")); | |
| 1439 return -1; | |
| 1440 } | |
| 1441 | |
| 1442 if (csinfo[j].fname == NULL && i == -1) | |
| 1443 i = j; /* remember first empty entry */ | |
| 1444 } | |
| 1445 | |
| 1446 if (i == -1) | |
| 1447 { | |
| 1931 | 1448 i = csinfo_size; |
| 1449 if (csinfo_size == 0) | |
| 1450 { | |
| 1451 /* First time allocation: allocate only 1 connection. It should | |
| 1452 * be enough for most users. If more is needed, csinfo will be | |
| 1453 * reallocated. */ | |
| 1454 csinfo_size = 1; | |
| 1455 csinfo = (csinfo_T *)alloc_clear(sizeof(csinfo_T)); | |
| 1456 } | |
| 1457 else | |
| 1458 { | |
| 6596 | 1459 csinfo_T *t_csinfo = csinfo; |
| 1460 | |
| 1931 | 1461 /* Reallocate space for more connections. */ |
| 1462 csinfo_size *= 2; | |
| 1463 csinfo = vim_realloc(csinfo, sizeof(csinfo_T)*csinfo_size); | |
| 6596 | 1464 if (csinfo == NULL) |
| 1465 { | |
| 1466 vim_free(t_csinfo); | |
| 1467 csinfo_size = 0; | |
| 1468 } | |
| 1931 | 1469 } |
| 1470 if (csinfo == NULL) | |
| 1471 return -1; | |
| 1472 for (j = csinfo_size/2; j < csinfo_size; j++) | |
| 1473 clear_csinfo(j); | |
| 7 | 1474 } |
| 1475 | |
| 835 | 1476 if ((csinfo[i].fname = (char *)alloc((unsigned)strlen(fname)+1)) == NULL) |
| 7 | 1477 return -1; |
| 1478 | |
| 1479 (void)strcpy(csinfo[i].fname, (const char *)fname); | |
| 1480 | |
| 1481 if (ppath != NULL) | |
| 1482 { | |
| 835 | 1483 if ((csinfo[i].ppath = (char *)alloc((unsigned)strlen(ppath) + 1)) == NULL) |
| 7 | 1484 { |
| 1485 vim_free(csinfo[i].fname); | |
| 1486 csinfo[i].fname = NULL; | |
| 1487 return -1; | |
| 1488 } | |
| 1489 (void)strcpy(csinfo[i].ppath, (const char *)ppath); | |
| 1490 } else | |
| 1491 csinfo[i].ppath = NULL; | |
| 1492 | |
| 1493 if (flags != NULL) | |
| 1494 { | |
| 835 | 1495 if ((csinfo[i].flags = (char *)alloc((unsigned)strlen(flags) + 1)) == NULL) |
| 7 | 1496 { |
| 1497 vim_free(csinfo[i].fname); | |
| 1498 vim_free(csinfo[i].ppath); | |
| 1499 csinfo[i].fname = NULL; | |
| 1500 csinfo[i].ppath = NULL; | |
| 1501 return -1; | |
| 1502 } | |
| 1503 (void)strcpy(csinfo[i].flags, (const char *)flags); | |
| 1504 } else | |
| 1505 csinfo[i].flags = NULL; | |
| 1506 | |
| 1507 #if defined(UNIX) | |
| 1508 csinfo[i].st_dev = sb->st_dev; | |
| 1509 csinfo[i].st_ino = sb->st_ino; | |
| 1510 | |
| 1511 #else | |
| 1512 csinfo[i].nVolume = bhfi.dwVolumeSerialNumber; | |
| 1513 csinfo[i].nIndexLow = bhfi.nFileIndexLow; | |
| 1514 csinfo[i].nIndexHigh = bhfi.nFileIndexHigh; | |
| 1515 #endif | |
| 1516 return i; | |
| 1517 } /* cs_insert_filelist */ | |
| 1518 | |
| 1519 | |
| 1520 /* | |
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1521 * Find cscope command in command table. |
| 7 | 1522 */ |
| 1523 static cscmd_T * | |
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1524 cs_lookup_cmd(exarg_T *eap) |
| 7 | 1525 { |
| 1526 cscmd_T *cmdp; | |
| 1527 char *stok; | |
| 1528 size_t len; | |
| 1529 | |
| 1530 if (eap->arg == NULL) | |
| 1531 return NULL; | |
| 1532 | |
| 1372 | 1533 /* Store length of eap->arg before it gets modified by strtok(). */ |
| 1570 | 1534 eap_arg_len = (int)STRLEN(eap->arg); |
| 1372 | 1535 |
| 7 | 1536 if ((stok = strtok((char *)(eap->arg), (const char *)" ")) == NULL) |
| 1537 return NULL; | |
| 1538 | |
| 1539 len = strlen(stok); | |
| 1540 for (cmdp = cs_cmds; cmdp->name != NULL; ++cmdp) | |
| 1541 { | |
| 1542 if (strncmp((const char *)(stok), cmdp->name, len) == 0) | |
| 1543 return (cmdp); | |
| 1544 } | |
| 1545 return NULL; | |
| 1546 } /* cs_lookup_cmd */ | |
| 1547 | |
| 1548 | |
| 1549 /* | |
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1550 * Nuke em. |
| 7 | 1551 */ |
| 1552 static int | |
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1553 cs_kill(exarg_T *eap UNUSED) |
| 7 | 1554 { |
| 1555 char *stok; | |
| 1556 short i; | |
| 1557 | |
| 1558 if ((stok = strtok((char *)NULL, (const char *)" ")) == NULL) | |
| 1559 { | |
| 1560 cs_usage_msg(Kill); | |
| 1561 return CSCOPE_FAILURE; | |
| 1562 } | |
| 1563 | |
| 1564 /* only single digit positive and negative integers are allowed */ | |
| 1565 if ((strlen(stok) < 2 && VIM_ISDIGIT((int)(stok[0]))) | |
| 1566 || (strlen(stok) < 3 && stok[0] == '-' | |
| 1567 && VIM_ISDIGIT((int)(stok[1])))) | |
| 1568 i = atoi(stok); | |
| 1569 else | |
| 1570 { | |
| 1571 /* It must be part of a name. We will try to find a match | |
| 1572 * within all the names in the csinfo data structure | |
| 1573 */ | |
| 1931 | 1574 for (i = 0; i < csinfo_size; i++) |
| 7 | 1575 { |
| 1576 if (csinfo[i].fname != NULL && strstr(csinfo[i].fname, stok)) | |
| 1577 break; | |
| 1578 } | |
| 1579 } | |
| 1580 | |
| 1931 | 1581 if ((i != -1) && (i >= csinfo_size || i < -1 || csinfo[i].fname == NULL)) |
| 7 | 1582 { |
| 1583 if (p_csverbose) | |
| 1584 (void)EMSG2(_("E261: cscope connection %s not found"), stok); | |
| 1585 } | |
| 1586 else | |
| 1587 { | |
| 1588 if (i == -1) | |
| 1589 { | |
| 1931 | 1590 for (i = 0; i < csinfo_size; i++) |
| 7 | 1591 { |
| 1592 if (csinfo[i].fname) | |
| 1593 cs_kill_execute(i, csinfo[i].fname); | |
| 1594 } | |
| 1595 } | |
| 1596 else | |
| 1597 cs_kill_execute(i, stok); | |
| 1598 } | |
| 1599 | |
| 1600 return 0; | |
| 1601 } /* cs_kill */ | |
| 1602 | |
| 1603 | |
| 1604 /* | |
| 1605 * Actually kills a specific cscope connection. | |
| 1606 */ | |
| 1607 static void | |
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1608 cs_kill_execute( |
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1609 int i, /* cscope table index */ |
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1610 char *cname) /* cscope database name */ |
| 7 | 1611 { |
| 1612 if (p_csverbose) | |
| 1613 { | |
| 1614 msg_clr_eos(); | |
| 1615 (void)smsg_attr(hl_attr(HLF_R) | MSG_HIST, | |
| 1616 (char_u *)_("cscope connection %s closed"), cname); | |
| 1617 } | |
| 1618 cs_release_csp(i, TRUE); | |
| 1619 } | |
| 1620 | |
| 1621 | |
| 1622 /* | |
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1623 * Convert the cscope output into a ctags style entry (as might be found |
| 7 | 1624 * in a ctags tags file). there's one catch though: cscope doesn't tell you |
| 1625 * the type of the tag you are looking for. for example, in Darren Hiebert's | |
| 1626 * ctags (the one that comes with vim), #define's use a line number to find the | |
| 1627 * tag in a file while function definitions use a regexp search pattern. | |
| 1628 * | |
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1629 * I'm going to always use the line number because cscope does something |
| 7 | 1630 * quirky (and probably other things i don't know about): |
| 1631 * | |
| 1632 * if you have "# define" in your source file, which is | |
| 1633 * perfectly legal, cscope thinks you have "#define". this | |
| 1634 * will result in a failed regexp search. :( | |
| 1635 * | |
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1636 * Besides, even if this particular case didn't happen, the search pattern |
| 7 | 1637 * would still have to be modified to escape all the special regular expression |
| 1638 * characters to comply with ctags formatting. | |
| 1639 */ | |
| 1640 static char * | |
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1641 cs_make_vim_style_matches( |
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1642 char *fname, |
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1643 char *slno, |
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1644 char *search, |
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1645 char *tagstr) |
| 7 | 1646 { |
| 1647 /* vim style is ctags: | |
| 1648 * | |
| 1649 * <tagstr>\t<filename>\t<linenum_or_search>"\t<extra> | |
| 1650 * | |
| 1651 * but as mentioned above, we'll always use the line number and | |
| 1652 * put the search pattern (if one exists) as "extra" | |
| 1653 * | |
| 1654 * buf is used as part of vim's method of handling tags, and | |
| 1655 * (i think) vim frees it when you pop your tags and get replaced | |
| 1656 * by new ones on the tag stack. | |
| 1657 */ | |
| 1658 char *buf; | |
| 1659 int amt; | |
| 1660 | |
| 1661 if (search != NULL) | |
| 1662 { | |
| 835 | 1663 amt = (int)(strlen(fname) + strlen(slno) + strlen(tagstr) + strlen(search)+6); |
| 7 | 1664 if ((buf = (char *)alloc(amt)) == NULL) |
| 1665 return NULL; | |
| 1666 | |
| 1667 (void)sprintf(buf, "%s\t%s\t%s;\"\t%s", tagstr, fname, slno, search); | |
| 1668 } | |
| 1669 else | |
| 1670 { | |
| 835 | 1671 amt = (int)(strlen(fname) + strlen(slno) + strlen(tagstr) + 5); |
| 7 | 1672 if ((buf = (char *)alloc(amt)) == NULL) |
| 1673 return NULL; | |
| 1674 | |
| 1675 (void)sprintf(buf, "%s\t%s\t%s;\"", tagstr, fname, slno); | |
| 1676 } | |
| 1677 | |
| 1678 return buf; | |
| 1679 } /* cs_make_vim_style_matches */ | |
| 1680 | |
| 1681 | |
| 1682 /* | |
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1683 * This is kind of hokey, but i don't see an easy way round this. |
| 7 | 1684 * |
| 1685 * Store: keep a ptr to the (malloc'd) memory of matches originally | |
| 1686 * generated from cs_find(). the matches are originally lines directly | |
| 1687 * from cscope output, but transformed to look like something out of a | |
| 1688 * ctags. see cs_make_vim_style_matches for more details. | |
| 1689 * | |
| 1690 * Get: used only from cs_fgets(), this simulates a vim_fgets() to return | |
| 1691 * the next line from the cscope output. it basically keeps track of which | |
| 1692 * lines have been "used" and returns the next one. | |
| 1693 * | |
| 1694 * Free: frees up everything and resets | |
| 1695 * | |
| 1696 * Print: prints the tags | |
| 1697 */ | |
| 1698 static char * | |
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1699 cs_manage_matches( |
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1700 char **matches, |
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1701 char **contexts, |
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1702 int totmatches, |
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1703 mcmd_e cmd) |
| 7 | 1704 { |
| 1705 static char **mp = NULL; | |
| 1706 static char **cp = NULL; | |
| 1707 static int cnt = -1; | |
| 1708 static int next = -1; | |
| 1709 char *p = NULL; | |
| 1710 | |
| 1711 switch (cmd) | |
| 1712 { | |
| 1713 case Store: | |
| 1714 assert(matches != NULL); | |
| 1715 assert(totmatches > 0); | |
| 1716 if (mp != NULL || cp != NULL) | |
| 1717 (void)cs_manage_matches(NULL, NULL, -1, Free); | |
| 1718 mp = matches; | |
| 1719 cp = contexts; | |
| 1720 cnt = totmatches; | |
| 1721 next = 0; | |
| 1722 break; | |
| 1723 case Get: | |
| 1724 if (next >= cnt) | |
| 1725 return NULL; | |
| 1726 | |
| 1727 p = mp[next]; | |
| 1728 next++; | |
| 1729 break; | |
| 1730 case Free: | |
| 1731 if (mp != NULL) | |
| 1732 { | |
| 1733 if (cnt > 0) | |
| 1734 while (cnt--) | |
| 1735 { | |
| 1736 vim_free(mp[cnt]); | |
| 1737 if (cp != NULL) | |
| 1738 vim_free(cp[cnt]); | |
| 1739 } | |
| 1740 vim_free(mp); | |
| 1741 vim_free(cp); | |
| 1742 } | |
| 1743 mp = NULL; | |
| 1744 cp = NULL; | |
| 1745 cnt = 0; | |
| 1746 next = 0; | |
| 1747 break; | |
| 1748 case Print: | |
| 1749 cs_print_tags_priv(mp, cp, cnt); | |
| 1750 break; | |
| 1751 default: /* should not reach here */ | |
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1752 IEMSG(_("E570: fatal error in cs_manage_matches")); |
| 7 | 1753 return NULL; |
| 1754 } | |
| 1755 | |
| 1756 return p; | |
| 1757 } /* cs_manage_matches */ | |
| 1758 | |
| 1759 | |
| 1760 /* | |
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1761 * Parse cscope output. |
| 7 | 1762 */ |
| 1763 static char * | |
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1764 cs_parse_results( |
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1765 int cnumber, |
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1766 char *buf, |
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1767 int bufsize, |
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1768 char **context, |
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1769 char **linenumber, |
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1770 char **search) |
| 7 | 1771 { |
| 1772 int ch; | |
| 1773 char *p; | |
| 1774 char *name; | |
| 1775 | |
| 1776 if (fgets(buf, bufsize, csinfo[cnumber].fr_fp) == NULL) | |
| 1777 { | |
| 1778 if (feof(csinfo[cnumber].fr_fp)) | |
| 1779 errno = EIO; | |
| 1780 | |
| 1781 cs_reading_emsg(cnumber); | |
| 1782 | |
| 1783 return NULL; | |
| 1784 } | |
| 1785 | |
| 1786 /* If the line's too long for the buffer, discard it. */ | |
| 1787 if ((p = strchr(buf, '\n')) == NULL) | |
| 1788 { | |
| 1789 while ((ch = getc(csinfo[cnumber].fr_fp)) != EOF && ch != '\n') | |
| 1790 ; | |
| 1791 return NULL; | |
| 1792 } | |
| 1793 *p = '\0'; | |
| 1794 | |
| 1795 /* | |
| 1796 * cscope output is in the following format: | |
| 1797 * | |
| 1798 * <filename> <context> <line number> <pattern> | |
| 1799 */ | |
| 1800 if ((name = strtok((char *)buf, (const char *)" ")) == NULL) | |
| 1801 return NULL; | |
| 1802 if ((*context = strtok(NULL, (const char *)" ")) == NULL) | |
| 1803 return NULL; | |
| 1804 if ((*linenumber = strtok(NULL, (const char *)" ")) == NULL) | |
| 1805 return NULL; | |
| 1806 *search = *linenumber + strlen(*linenumber) + 1; /* +1 to skip \0 */ | |
| 1807 | |
| 1808 /* --- nvi --- | |
| 1809 * If the file is older than the cscope database, that is, | |
| 1810 * the database was built since the file was last modified, | |
| 1811 * or there wasn't a search string, use the line number. | |
| 1812 */ | |
| 1813 if (strcmp(*search, "<unknown>") == 0) | |
| 1814 *search = NULL; | |
| 1815 | |
| 1816 name = cs_resolve_file(cnumber, name); | |
| 1817 return name; | |
| 1818 } | |
| 1819 | |
| 636 | 1820 #ifdef FEAT_QUICKFIX |
| 7 | 1821 /* |
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1822 * Write cscope find results to file. |
| 7 | 1823 */ |
| 1824 static void | |
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1825 cs_file_results(FILE *f, int *nummatches_a) |
| 7 | 1826 { |
| 1827 int i, j; | |
| 1828 char *buf; | |
| 1829 char *search, *slno; | |
| 1830 char *fullname; | |
| 1831 char *cntx; | |
| 1832 char *context; | |
| 1833 | |
| 1834 buf = (char *)alloc(CSREAD_BUFSIZE); | |
| 1835 if (buf == NULL) | |
| 1836 return; | |
| 1837 | |
| 1931 | 1838 for (i = 0; i < csinfo_size; i++) |
| 7 | 1839 { |
| 1840 if (nummatches_a[i] < 1) | |
| 1841 continue; | |
| 1842 | |
| 1843 for (j = 0; j < nummatches_a[i]; j++) | |
| 1844 { | |
| 293 | 1845 if ((fullname = cs_parse_results(i, buf, CSREAD_BUFSIZE, &cntx, |
| 1846 &slno, &search)) == NULL) | |
| 7 | 1847 continue; |
| 1848 | |
| 835 | 1849 context = (char *)alloc((unsigned)strlen(cntx)+5); |
| 1027 | 1850 if (context == NULL) |
| 7 | 1851 continue; |
| 1852 | |
| 1853 if (strcmp(cntx, "<global>")==0) | |
| 1854 strcpy(context, "<<global>>"); | |
| 1855 else | |
| 1856 sprintf(context, "<<%s>>", cntx); | |
| 1857 | |
| 1027 | 1858 if (search == NULL) |
| 7 | 1859 fprintf(f, "%s\t%s\t%s\n", fullname, slno, context); |
| 1860 else | |
| 1861 fprintf(f, "%s\t%s\t%s %s\n", fullname, slno, context, search); | |
| 1862 | |
| 1863 vim_free(context); | |
| 1864 vim_free(fullname); | |
| 1865 } /* for all matches */ | |
| 1866 | |
| 1867 (void)cs_read_prompt(i); | |
| 1868 | |
| 1869 } /* for all cscope connections */ | |
| 1870 vim_free(buf); | |
| 1871 } | |
| 636 | 1872 #endif |
| 7 | 1873 |
| 1874 /* | |
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1875 * Get parsed cscope output and calls cs_make_vim_style_matches to convert |
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1876 * into ctags format. |
| 297 | 1877 * When there are no matches sets "*matches_p" to NULL. |
| 7 | 1878 */ |
| 1879 static void | |
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1880 cs_fill_results( |
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1881 char *tagstr, |
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1882 int totmatches, |
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1883 int *nummatches_a, |
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1884 char ***matches_p, |
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1885 char ***cntxts_p, |
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1886 int *matched) |
| 7 | 1887 { |
| 1888 int i, j; | |
| 1889 char *buf; | |
| 1890 char *search, *slno; | |
| 1891 int totsofar = 0; | |
| 1892 char **matches = NULL; | |
| 1893 char **cntxts = NULL; | |
| 1894 char *fullname; | |
| 1895 char *cntx; | |
| 1896 | |
| 1897 assert(totmatches > 0); | |
| 1898 | |
| 1899 buf = (char *)alloc(CSREAD_BUFSIZE); | |
| 1900 if (buf == NULL) | |
| 1901 return; | |
| 1902 | |
| 1903 if ((matches = (char **)alloc(sizeof(char *) * totmatches)) == NULL) | |
| 1904 goto parse_out; | |
| 1905 if ((cntxts = (char **)alloc(sizeof(char *) * totmatches)) == NULL) | |
| 1906 goto parse_out; | |
| 1907 | |
| 1931 | 1908 for (i = 0; i < csinfo_size; i++) |
| 7 | 1909 { |
| 1910 if (nummatches_a[i] < 1) | |
| 1911 continue; | |
| 1912 | |
| 1913 for (j = 0; j < nummatches_a[i]; j++) | |
| 1914 { | |
| 1915 if ((fullname = cs_parse_results(i, buf, CSREAD_BUFSIZE, &cntx, | |
| 1916 &slno, &search)) == NULL) | |
| 1917 continue; | |
| 1918 | |
| 1919 matches[totsofar] = cs_make_vim_style_matches(fullname, slno, | |
| 1920 search, tagstr); | |
| 1921 | |
| 1922 vim_free(fullname); | |
| 1923 | |
| 1924 if (strcmp(cntx, "<global>") == 0) | |
| 1925 cntxts[totsofar] = NULL; | |
| 1926 else | |
| 1927 /* note: if vim_strsave returns NULL, then the context | |
| 1928 * will be "<global>", which is misleading. | |
| 1929 */ | |
| 1930 cntxts[totsofar] = (char *)vim_strsave((char_u *)cntx); | |
| 1931 | |
| 1932 if (matches[totsofar] != NULL) | |
| 1933 totsofar++; | |
| 1934 | |
| 1935 } /* for all matches */ | |
| 1936 | |
| 1937 (void)cs_read_prompt(i); | |
| 1938 | |
| 1939 } /* for all cscope connections */ | |
| 1940 | |
| 1941 parse_out: | |
| 297 | 1942 if (totsofar == 0) |
| 1943 { | |
| 1944 /* No matches, free the arrays and return NULL in "*matches_p". */ | |
| 1945 vim_free(matches); | |
| 1946 matches = NULL; | |
| 1947 vim_free(cntxts); | |
| 1948 cntxts = NULL; | |
| 1949 } | |
| 7 | 1950 *matched = totsofar; |
| 1951 *matches_p = matches; | |
| 1952 *cntxts_p = cntxts; | |
| 297 | 1953 |
| 7 | 1954 vim_free(buf); |
| 1955 } /* cs_fill_results */ | |
| 1956 | |
| 1957 | |
| 1958 /* get the requested path components */ | |
| 1959 static char * | |
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1960 cs_pathcomponents(char *path) |
| 7 | 1961 { |
| 1962 int i; | |
| 1963 char *s; | |
| 1964 | |
| 1965 if (p_cspc == 0) | |
| 1966 return path; | |
| 1967 | |
| 1968 s = path + strlen(path) - 1; | |
| 1969 for (i = 0; i < p_cspc; ++i) | |
| 1970 while (s > path && *--s != '/' | |
| 1971 #ifdef WIN32 | |
| 1972 && *--s != '\\' | |
| 1973 #endif | |
| 1974 ) | |
| 1975 ; | |
| 1976 if ((s > path && *s == '/') | |
| 1977 #ifdef WIN32 | |
| 1978 || (s > path && *s == '\\') | |
| 1979 #endif | |
| 1980 ) | |
| 1981 ++s; | |
| 1982 return s; | |
| 1983 } | |
| 1984 | |
| 1985 /* | |
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1986 * Called from cs_manage_matches(). |
| 7 | 1987 */ |
| 1988 static void | |
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1989 cs_print_tags_priv(char **matches, char **cntxts, int num_matches) |
| 7 | 1990 { |
| 1991 char *buf = NULL; | |
| 6596 | 1992 char *t_buf; |
| 7 | 1993 int bufsize = 0; /* Track available bufsize */ |
| 1994 int newsize = 0; | |
| 1995 char *ptag; | |
| 1996 char *fname, *lno, *extra, *tbuf; | |
| 1997 int i, idx, num; | |
| 1998 char *globalcntx = "GLOBAL"; | |
| 1999 char *cntxformat = " <<%s>>"; | |
| 2000 char *context; | |
| 2001 char *cstag_msg = _("Cscope tag: %s"); | |
| 2002 char *csfmt_str = "%4d %6s "; | |
| 2003 | |
| 2004 assert (num_matches > 0); | |
| 2005 | |
| 835 | 2006 if ((tbuf = (char *)alloc((unsigned)strlen(matches[0]) + 1)) == NULL) |
| 7 | 2007 return; |
| 2008 | |
| 2009 strcpy(tbuf, matches[0]); | |
| 2010 ptag = strtok(tbuf, "\t"); | |
| 7009 | 2011 if (ptag == NULL) |
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2012 { |
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2013 vim_free(tbuf); |
| 7009 | 2014 return; |
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|
2015 } |
| 7 | 2016 |
| 835 | 2017 newsize = (int)(strlen(cstag_msg) + strlen(ptag)); |
| 7 | 2018 buf = (char *)alloc(newsize); |
| 2019 if (buf != NULL) | |
| 2020 { | |
| 2021 bufsize = newsize; | |
| 2022 (void)sprintf(buf, cstag_msg, ptag); | |
| 2023 MSG_PUTS_ATTR(buf, hl_attr(HLF_T)); | |
| 2024 } | |
| 2025 | |
| 2026 vim_free(tbuf); | |
| 2027 | |
| 2028 MSG_PUTS_ATTR(_("\n # line"), hl_attr(HLF_T)); /* strlen is 7 */ | |
| 2029 msg_advance(msg_col + 2); | |
| 2030 MSG_PUTS_ATTR(_("filename / context / line\n"), hl_attr(HLF_T)); | |
| 2031 | |
| 2032 num = 1; | |
| 2033 for (i = 0; i < num_matches; i++) | |
| 2034 { | |
| 2035 idx = i; | |
| 2036 | |
| 2037 /* if we really wanted to, we could avoid this malloc and strcpy | |
| 2038 * by parsing matches[i] on the fly and placing stuff into buf | |
| 2039 * directly, but that's too much of a hassle | |
| 2040 */ | |
| 835 | 2041 if ((tbuf = (char *)alloc((unsigned)strlen(matches[idx]) + 1)) == NULL) |
| 7 | 2042 continue; |
| 2043 (void)strcpy(tbuf, matches[idx]); | |
| 2044 | |
|
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diff
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|
2045 if (strtok(tbuf, (const char *)"\t") == NULL |
|
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diff
changeset
|
2046 || (fname = strtok(NULL, (const char *)"\t")) == NULL |
|
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diff
changeset
|
2047 || (lno = strtok(NULL, (const char *)"\t")) == NULL) |
|
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diff
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|
2048 { |
|
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changeset
|
2049 vim_free(tbuf); |
| 7 | 2050 continue; |
|
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diff
changeset
|
2051 } |
| 1078 | 2052 extra = strtok(NULL, (const char *)"\t"); |
| 7 | 2053 |
| 2054 lno[strlen(lno)-2] = '\0'; /* ignore ;" at the end */ | |
| 2055 | |
| 2056 /* hopefully 'num' (num of matches) will be less than 10^16 */ | |
| 835 | 2057 newsize = (int)(strlen(csfmt_str) + 16 + strlen(lno)); |
| 7 | 2058 if (bufsize < newsize) |
| 2059 { | |
| 6596 | 2060 t_buf = buf; |
| 7 | 2061 buf = (char *)vim_realloc(buf, newsize); |
| 2062 if (buf == NULL) | |
| 6596 | 2063 { |
| 7 | 2064 bufsize = 0; |
| 6596 | 2065 vim_free(t_buf); |
| 2066 } | |
| 7 | 2067 else |
| 2068 bufsize = newsize; | |
| 2069 } | |
| 2070 if (buf != NULL) | |
| 2071 { | |
| 2072 /* csfmt_str = "%4d %6s "; */ | |
| 2073 (void)sprintf(buf, csfmt_str, num, lno); | |
| 2074 MSG_PUTS_ATTR(buf, hl_attr(HLF_CM)); | |
| 2075 } | |
| 2076 MSG_PUTS_LONG_ATTR(cs_pathcomponents(fname), hl_attr(HLF_CM)); | |
| 2077 | |
| 2078 /* compute the required space for the context */ | |
| 2079 if (cntxts[idx] != NULL) | |
| 2080 context = cntxts[idx]; | |
| 2081 else | |
| 2082 context = globalcntx; | |
| 835 | 2083 newsize = (int)(strlen(context) + strlen(cntxformat)); |
| 7 | 2084 |
| 2085 if (bufsize < newsize) | |
| 2086 { | |
| 6596 | 2087 t_buf = buf; |
| 7 | 2088 buf = (char *)vim_realloc(buf, newsize); |
| 2089 if (buf == NULL) | |
| 6596 | 2090 { |
| 7 | 2091 bufsize = 0; |
| 6596 | 2092 vim_free(t_buf); |
| 2093 } | |
| 7 | 2094 else |
| 2095 bufsize = newsize; | |
| 2096 } | |
| 2097 if (buf != NULL) | |
| 2098 { | |
| 2099 (void)sprintf(buf, cntxformat, context); | |
| 2100 | |
| 2101 /* print the context only if it fits on the same line */ | |
| 2102 if (msg_col + (int)strlen(buf) >= (int)Columns) | |
| 2103 msg_putchar('\n'); | |
| 2104 msg_advance(12); | |
| 2105 MSG_PUTS_LONG(buf); | |
| 2106 msg_putchar('\n'); | |
| 2107 } | |
| 2108 if (extra != NULL) | |
| 2109 { | |
| 2110 msg_advance(13); | |
| 2111 MSG_PUTS_LONG(extra); | |
| 2112 } | |
| 2113 | |
| 2114 vim_free(tbuf); /* only after printing extra due to strtok use */ | |
| 2115 | |
| 2116 if (msg_col) | |
| 2117 msg_putchar('\n'); | |
| 2118 | |
| 2119 ui_breakcheck(); | |
| 2120 if (got_int) | |
| 2121 { | |
| 2122 got_int = FALSE; /* don't print any more matches */ | |
| 2123 break; | |
| 2124 } | |
| 2125 | |
| 2126 num++; | |
| 2127 } /* for all matches */ | |
| 2128 | |
| 2129 vim_free(buf); | |
| 2130 } /* cs_print_tags_priv */ | |
| 2131 | |
| 2132 | |
| 2133 /* | |
|
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diff
changeset
|
2134 * Read a cscope prompt (basically, skip over the ">> "). |
| 7 | 2135 */ |
| 2136 static int | |
|
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diff
changeset
|
2137 cs_read_prompt(int i) |
| 7 | 2138 { |
| 2139 int ch; | |
| 2140 char *buf = NULL; /* buffer for possible error message from cscope */ | |
| 2141 int bufpos = 0; | |
| 2142 char *cs_emsg; | |
| 2143 int maxlen; | |
| 2144 static char *eprompt = "Press the RETURN key to continue:"; | |
| 835 | 2145 int epromptlen = (int)strlen(eprompt); |
| 7 | 2146 int n; |
| 2147 | |
| 2148 cs_emsg = _("E609: Cscope error: %s"); | |
| 2149 /* compute maximum allowed len for Cscope error message */ | |
| 2150 maxlen = (int)(IOSIZE - strlen(cs_emsg)); | |
| 2151 | |
| 2152 for (;;) | |
| 2153 { | |
| 2154 while ((ch = getc(csinfo[i].fr_fp)) != EOF && ch != CSCOPE_PROMPT[0]) | |
| 2155 /* if there is room and char is printable */ | |
| 2156 if (bufpos < maxlen - 1 && vim_isprintc(ch)) | |
| 2157 { | |
| 2158 if (buf == NULL) /* lazy buffer allocation */ | |
| 2159 buf = (char *)alloc(maxlen); | |
| 2160 if (buf != NULL) | |
| 2161 { | |
| 2162 /* append character to the message */ | |
| 2163 buf[bufpos++] = ch; | |
| 2164 buf[bufpos] = NUL; | |
| 2165 if (bufpos >= epromptlen | |
| 2166 && strcmp(&buf[bufpos - epromptlen], eprompt) == 0) | |
| 2167 { | |
| 2168 /* remove eprompt from buf */ | |
| 2169 buf[bufpos - epromptlen] = NUL; | |
| 2170 | |
| 2171 /* print message to user */ | |
| 2172 (void)EMSG2(cs_emsg, buf); | |
| 2173 | |
| 2174 /* send RETURN to cscope */ | |
| 2175 (void)putc('\n', csinfo[i].to_fp); | |
| 2176 (void)fflush(csinfo[i].to_fp); | |
| 2177 | |
| 2178 /* clear buf */ | |
| 2179 bufpos = 0; | |
| 2180 buf[bufpos] = NUL; | |
| 2181 } | |
| 2182 } | |
| 2183 } | |
| 2184 | |
| 2185 for (n = 0; n < (int)strlen(CSCOPE_PROMPT); ++n) | |
| 2186 { | |
| 2187 if (n > 0) | |
| 2188 ch = getc(csinfo[i].fr_fp); | |
| 2189 if (ch == EOF) | |
| 2190 { | |
| 2191 PERROR("cs_read_prompt EOF"); | |
| 2192 if (buf != NULL && buf[0] != NUL) | |
| 2193 (void)EMSG2(cs_emsg, buf); | |
| 2194 else if (p_csverbose) | |
| 2195 cs_reading_emsg(i); /* don't have additional information */ | |
| 2196 cs_release_csp(i, TRUE); | |
| 2197 vim_free(buf); | |
| 2198 return CSCOPE_FAILURE; | |
| 2199 } | |
| 2200 | |
| 2201 if (ch != CSCOPE_PROMPT[n]) | |
| 2202 { | |
| 2203 ch = EOF; | |
| 2204 break; | |
| 2205 } | |
| 2206 } | |
| 2207 | |
| 2208 if (ch == EOF) | |
| 2209 continue; /* didn't find the prompt */ | |
| 2210 break; /* did find the prompt */ | |
| 2211 } | |
| 2212 | |
| 2213 vim_free(buf); | |
| 2214 return CSCOPE_SUCCESS; | |
| 2215 } | |
| 2216 | |
| 1566 | 2217 #if defined(UNIX) && defined(SIGALRM) |
| 2218 /* | |
| 2219 * Used to catch and ignore SIGALRM below. | |
| 2220 */ | |
| 2221 static RETSIGTYPE | |
| 2222 sig_handler SIGDEFARG(sigarg) | |
| 2223 { | |
| 2224 /* do nothing */ | |
| 2225 SIGRETURN; | |
| 2226 } | |
| 2227 #endif | |
| 7 | 2228 |
| 2229 /* | |
| 1385 | 2230 * Does the actual free'ing for the cs ptr with an optional flag of whether |
| 2231 * or not to free the filename. Called by cs_kill and cs_reset. | |
| 7 | 2232 */ |
| 2233 static void | |
|
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diff
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|
2234 cs_release_csp(int i, int freefnpp) |
| 7 | 2235 { |
| 2236 /* | |
| 2237 * Trying to exit normally (not sure whether it is fit to UNIX cscope | |
| 2238 */ | |
| 2239 if (csinfo[i].to_fp != NULL) | |
| 2240 { | |
| 2241 (void)fputs("q\n", csinfo[i].to_fp); | |
| 2242 (void)fflush(csinfo[i].to_fp); | |
| 2243 } | |
| 1566 | 2244 #if defined(UNIX) |
| 2245 { | |
| 1575 | 2246 int waitpid_errno; |
| 1566 | 2247 int pstat; |
| 2248 pid_t pid; | |
| 2249 | |
| 2250 # if defined(HAVE_SIGACTION) | |
| 2251 struct sigaction sa, old; | |
| 2252 | |
| 1568 | 2253 /* Use sigaction() to limit the waiting time to two seconds. */ |
| 2254 sigemptyset(&sa.sa_mask); | |
| 1566 | 2255 sa.sa_handler = sig_handler; |
|
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2256 # ifdef SA_NODEFER |
| 1566 | 2257 sa.sa_flags = SA_NODEFER; |
|
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2258 # else |
|
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2259 sa.sa_flags = 0; |
|
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|
2260 # endif |
| 1566 | 2261 sigaction(SIGALRM, &sa, &old); |
| 2262 alarm(2); /* 2 sec timeout */ | |
| 2263 | |
| 2264 /* Block until cscope exits or until timer expires */ | |
| 2265 pid = waitpid(csinfo[i].pid, &pstat, 0); | |
| 1575 | 2266 waitpid_errno = errno; |
| 1566 | 2267 |
| 2268 /* cancel pending alarm if still there and restore signal */ | |
| 2269 alarm(0); | |
| 2270 sigaction(SIGALRM, &old, NULL); | |
| 2271 # else | |
| 2272 int waited; | |
| 2273 | |
| 2274 /* Can't use sigaction(), loop for two seconds. First yield the CPU | |
| 2275 * to give cscope a chance to exit quickly. */ | |
| 2276 sleep(0); | |
| 2277 for (waited = 0; waited < 40; ++waited) | |
| 2278 { | |
| 2279 pid = waitpid(csinfo[i].pid, &pstat, WNOHANG); | |
| 1575 | 2280 waitpid_errno = errno; |
| 1566 | 2281 if (pid != 0) |
| 2282 break; /* break unless the process is still running */ | |
| 1578 | 2283 mch_delay(50L, FALSE); /* sleep 50 ms */ |
| 1566 | 2284 } |
| 2285 # endif | |
| 2286 /* | |
| 2287 * If the cscope process is still running: kill it. | |
| 2288 * Safety check: If the PID would be zero here, the entire X session | |
| 2289 * would be killed. -1 and 1 are dangerous as well. | |
| 2290 */ | |
| 2291 if (pid < 0 && csinfo[i].pid > 1) | |
| 2292 { | |
| 1575 | 2293 # ifdef ECHILD |
| 2294 int alive = TRUE; | |
| 2295 | |
| 2296 if (waitpid_errno == ECHILD) | |
| 2297 { | |
| 2298 /* | |
| 2299 * When using 'vim -g', vim is forked and cscope process is | |
| 2300 * no longer a child process but a sibling. So waitpid() | |
| 2301 * fails with errno being ECHILD (No child processes). | |
| 2302 * Don't send SIGKILL to cscope immediately but wait | |
| 2303 * (polling) for it to exit normally as result of sending | |
| 2304 * the "q" command, hence giving it a chance to clean up | |
| 2305 * its temporary files. | |
| 2306 */ | |
| 2307 int waited; | |
| 2308 | |
| 2309 sleep(0); | |
| 2310 for (waited = 0; waited < 40; ++waited) | |
| 2311 { | |
| 2312 /* Check whether cscope process is still alive */ | |
| 2313 if (kill(csinfo[i].pid, 0) != 0) | |
| 2314 { | |
| 2315 alive = FALSE; /* cscope process no longer exists */ | |
| 2316 break; | |
| 2317 } | |
| 1578 | 2318 mch_delay(50L, FALSE); /* sleep 50ms */ |
| 1575 | 2319 } |
| 2320 } | |
| 2321 if (alive) | |
| 2322 # endif | |
| 2323 { | |
| 2324 kill(csinfo[i].pid, SIGKILL); | |
| 2325 (void)waitpid(csinfo[i].pid, &pstat, 0); | |
| 2326 } | |
| 1566 | 2327 } |
| 2328 } | |
| 2329 #else /* !UNIX */ | |
| 1385 | 2330 if (csinfo[i].hProc != NULL) |
| 2331 { | |
| 2332 /* Give cscope a chance to exit normally */ | |
| 2333 if (WaitForSingleObject(csinfo[i].hProc, 1000) == WAIT_TIMEOUT) | |
| 2334 TerminateProcess(csinfo[i].hProc, 0); | |
| 2335 CloseHandle(csinfo[i].hProc); | |
| 2336 } | |
| 7 | 2337 #endif |
| 2338 | |
| 2339 if (csinfo[i].fr_fp != NULL) | |
| 2340 (void)fclose(csinfo[i].fr_fp); | |
| 2341 if (csinfo[i].to_fp != NULL) | |
| 2342 (void)fclose(csinfo[i].to_fp); | |
| 2343 | |
| 2344 if (freefnpp) | |
| 2345 { | |
| 2346 vim_free(csinfo[i].fname); | |
| 2347 vim_free(csinfo[i].ppath); | |
| 2348 vim_free(csinfo[i].flags); | |
| 2349 } | |
| 2350 | |
| 2351 clear_csinfo(i); | |
| 2352 } /* cs_release_csp */ | |
| 2353 | |
| 2354 | |
| 2355 /* | |
|
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diff
changeset
|
2356 * Calls cs_kill on all cscope connections then reinits. |
| 7 | 2357 */ |
| 2358 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
|
2359 cs_reset(exarg_T *eap UNUSED) |
| 7 | 2360 { |
| 2361 char **dblist = NULL, **pplist = NULL, **fllist = NULL; | |
| 2362 int i; | |
| 273 | 2363 char buf[20]; /* for sprintf " (#%d)" */ |
| 7 | 2364 |
| 1931 | 2365 if (csinfo_size == 0) |
| 2366 return CSCOPE_SUCCESS; | |
| 2367 | |
| 7 | 2368 /* malloc our db and ppath list */ |
| 1931 | 2369 dblist = (char **)alloc(csinfo_size * sizeof(char *)); |
| 2370 pplist = (char **)alloc(csinfo_size * sizeof(char *)); | |
| 2371 fllist = (char **)alloc(csinfo_size * sizeof(char *)); | |
| 7 | 2372 if (dblist == NULL || pplist == NULL || fllist == NULL) |
| 2373 { | |
| 2374 vim_free(dblist); | |
| 2375 vim_free(pplist); | |
| 2376 vim_free(fllist); | |
| 2377 return CSCOPE_FAILURE; | |
| 2378 } | |
| 2379 | |
| 1931 | 2380 for (i = 0; i < csinfo_size; i++) |
| 7 | 2381 { |
| 2382 dblist[i] = csinfo[i].fname; | |
| 2383 pplist[i] = csinfo[i].ppath; | |
| 2384 fllist[i] = csinfo[i].flags; | |
| 2385 if (csinfo[i].fname != NULL) | |
| 2386 cs_release_csp(i, FALSE); | |
| 2387 } | |
| 2388 | |
| 2389 /* rebuild the cscope connection list */ | |
| 1931 | 2390 for (i = 0; i < csinfo_size; i++) |
| 7 | 2391 { |
| 2392 if (dblist[i] != NULL) | |
| 2393 { | |
| 2394 cs_add_common(dblist[i], pplist[i], fllist[i]); | |
| 2395 if (p_csverbose) | |
| 2396 { | |
| 1372 | 2397 /* don't use smsg_attr() because we want to display the |
| 7 | 2398 * connection number in the same line as |
| 2399 * "Added cscope database..." | |
| 2400 */ | |
| 2401 sprintf(buf, " (#%d)", i); | |
| 2402 MSG_PUTS_ATTR(buf, hl_attr(HLF_R)); | |
| 2403 } | |
| 2404 } | |
| 2405 vim_free(dblist[i]); | |
| 2406 vim_free(pplist[i]); | |
| 2407 vim_free(fllist[i]); | |
| 2408 } | |
| 2409 vim_free(dblist); | |
| 2410 vim_free(pplist); | |
| 2411 vim_free(fllist); | |
| 2412 | |
| 2413 if (p_csverbose) | |
| 2414 MSG_ATTR(_("All cscope databases reset"), hl_attr(HLF_R) | MSG_HIST); | |
| 2415 return CSCOPE_SUCCESS; | |
| 2416 } /* cs_reset */ | |
| 2417 | |
| 2418 | |
| 2419 /* | |
|
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|
2420 * Construct the full pathname to a file found in the cscope database. |
| 7 | 2421 * (Prepends ppath, if there is one and if it's not already prepended, |
| 2422 * otherwise just uses the name found.) | |
| 2423 * | |
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2424 * We need to prepend the prefix because on some cscope's (e.g., the one that |
| 7 | 2425 * ships with Solaris 2.6), the output never has the prefix prepended. |
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2426 * Contrast this with my development system (Digital Unix), which does. |
| 7 | 2427 */ |
| 2428 static char * | |
|
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diff
changeset
|
2429 cs_resolve_file(int i, char *name) |
| 7 | 2430 { |
| 2873 | 2431 char *fullname; |
| 2432 int len; | |
| 2433 char_u *csdir = NULL; | |
| 7 | 2434 |
| 2435 /* | |
| 2873 | 2436 * Ppath is freed when we destroy the cscope connection. |
| 2437 * Fullname is freed after cs_make_vim_style_matches, after it's been | |
| 2438 * copied into the tag buffer used by Vim. | |
| 7 | 2439 */ |
| 835 | 2440 len = (int)(strlen(name) + 2); |
| 7 | 2441 if (csinfo[i].ppath != NULL) |
| 835 | 2442 len += (int)strlen(csinfo[i].ppath); |
| 2873 | 2443 else if (p_csre && csinfo[i].fname != NULL) |
| 2444 { | |
| 2445 /* If 'cscoperelative' is set and ppath is not set, use cscope.out | |
| 2446 * path in path resolution. */ | |
| 2447 csdir = alloc(MAXPATHL); | |
| 2448 if (csdir != NULL) | |
| 2449 { | |
| 2450 vim_strncpy(csdir, (char_u *)csinfo[i].fname, | |
|
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|
2451 gettail((char_u *)csinfo[i].fname) |
|
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|
2452 - (char_u *)csinfo[i].fname); |
| 2873 | 2453 len += (int)STRLEN(csdir); |
| 2454 } | |
| 2455 } | |
| 7 | 2456 |
| 2873 | 2457 /* Note/example: this won't work if the cscope output already starts |
| 7 | 2458 * "../.." and the prefix path is also "../..". if something like this |
| 2873 | 2459 * happens, you are screwed up and need to fix how you're using cscope. */ |
| 2460 if (csinfo[i].ppath != NULL | |
| 2461 && (strncmp(name, csinfo[i].ppath, strlen(csinfo[i].ppath)) != 0) | |
| 2462 && (name[0] != '/') | |
| 7 | 2463 #ifdef WIN32 |
| 2873 | 2464 && name[0] != '\\' && name[1] != ':' |
| 7 | 2465 #endif |
| 2873 | 2466 ) |
|
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2467 { |
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2468 if ((fullname = (char *)alloc(len)) != NULL) |
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2469 (void)sprintf(fullname, "%s/%s", csinfo[i].ppath, name); |
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2470 } |
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2471 else if (csdir != NULL && csinfo[i].fname != NULL && *csdir != NUL) |
| 2873 | 2472 { |
| 2473 /* Check for csdir to be non empty to avoid empty path concatenated to | |
|
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2474 * cscope output. */ |
| 2875 | 2475 fullname = (char *)concat_fnames(csdir, (char_u *)name, TRUE); |
| 2873 | 2476 } |
| 7 | 2477 else |
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2478 { |
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2479 fullname = (char *)vim_strsave((char_u *)name); |
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2480 } |
| 7 | 2481 |
| 2873 | 2482 vim_free(csdir); |
| 7 | 2483 return fullname; |
| 2873 | 2484 } |
| 7 | 2485 |
| 2486 | |
| 2487 /* | |
|
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2488 * Show all cscope connections. |
| 7 | 2489 */ |
| 2490 static int | |
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2491 cs_show(exarg_T *eap UNUSED) |
| 7 | 2492 { |
| 2493 short i; | |
| 2494 if (cs_cnt_connections() == 0) | |
| 2495 MSG_PUTS(_("no cscope connections\n")); | |
| 2496 else | |
| 2497 { | |
| 2498 MSG_PUTS_ATTR( | |
| 2499 _(" # pid database name prepend path\n"), | |
| 2500 hl_attr(HLF_T)); | |
| 1931 | 2501 for (i = 0; i < csinfo_size; i++) |
| 7 | 2502 { |
| 2503 if (csinfo[i].fname == NULL) | |
| 2504 continue; | |
| 2505 | |
| 2506 if (csinfo[i].ppath != NULL) | |
| 2507 (void)smsg((char_u *)"%2d %-5ld %-34s %-32s", | |
| 2508 i, (long)csinfo[i].pid, csinfo[i].fname, csinfo[i].ppath); | |
| 2509 else | |
| 2510 (void)smsg((char_u *)"%2d %-5ld %-34s <none>", | |
| 2511 i, (long)csinfo[i].pid, csinfo[i].fname); | |
| 2512 } | |
| 2513 } | |
| 2514 | |
| 2515 wait_return(TRUE); | |
| 2516 return CSCOPE_SUCCESS; | |
| 2517 } /* cs_show */ | |
| 2518 | |
| 1385 | 2519 |
| 2520 /* | |
| 2521 * Only called when VIM exits to quit any cscope sessions. | |
| 2522 */ | |
| 2523 void | |
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|
2524 cs_end(void) |
| 1385 | 2525 { |
| 2526 int i; | |
| 2527 | |
| 1931 | 2528 for (i = 0; i < csinfo_size; i++) |
| 1385 | 2529 cs_release_csp(i, TRUE); |
| 1931 | 2530 vim_free(csinfo); |
| 2531 csinfo_size = 0; | |
| 1385 | 2532 } |
| 2533 | |
| 7 | 2534 #endif /* FEAT_CSCOPE */ |
| 2535 | |
| 2536 /* the end */ |