Mercurial > vim
annotate src/if_cscope.c @ 17966:46f95606b9ec v8.1.1979
patch 8.1.1979: code for handling file names is spread out
Commit: https://github.com/vim/vim/commit/b005cd80cfda591be95146024d9b97eef383500f
Author: Bram Moolenaar <Bram@vim.org>
Date: Wed Sep 4 15:54:55 2019 +0200
patch 8.1.1979: code for handling file names is spread out
Problem: Code for handling file names is spread out.
Solution: Move code to new filepath.c file. Graduate FEAT_MODIFY_FNAME.
| author | Bram Moolenaar <Bram@vim.org> |
|---|---|
| date | Wed, 04 Sep 2019 16:00:04 +0200 |
| parents | 04245f071792 |
| children | 5c8906f653f5 |
| rev | line source |
|---|---|
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1 /* vi:set ts=8 sts=4 sw=4 noet: |
| 7 | 2 * |
| 3 * CSCOPE support for Vim added by Andy Kahn <kahn@zk3.dec.com> | |
| 148 | 4 * Ported to Win32 by Sergey Khorev <sergey.khorev@gmail.com> |
| 7 | 5 * |
| 6 * The basic idea/structure of cscope for Vim was borrowed from Nvi. There | |
| 7 * might be a few lines of code that look similar to what Nvi has. | |
| 8 * | |
| 9 * See README.txt for an overview of the Vim source code. | |
| 10 */ | |
| 11 | |
| 12 #include "vim.h" | |
| 13 | |
| 14 #if defined(FEAT_CSCOPE) || defined(PROTO) | |
| 15 | |
| 16 #include <sys/types.h> | |
| 17 #include <sys/stat.h> | |
| 18 #if defined(UNIX) | |
| 19 # include <sys/wait.h> | |
| 20 #endif | |
| 21 #include "if_cscope.h" | |
| 22 | |
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23 static int cs_add(exarg_T *eap); |
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24 static int cs_add_common(char *, char *, char *); |
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25 static int cs_check_for_connections(void); |
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26 static int cs_check_for_tags(void); |
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27 static int cs_cnt_connections(void); |
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28 static int cs_create_connection(int i); |
| 636 | 29 #ifdef FEAT_QUICKFIX |
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30 static void cs_file_results(FILE *, int *); |
| 636 | 31 #endif |
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32 static void cs_fill_results(char *, int , int *, char ***, |
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33 char ***, int *); |
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34 static int cs_find(exarg_T *eap); |
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35 static int cs_find_common(char *opt, char *pat, int, int, int, char_u *cmdline); |
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36 static int cs_help(exarg_T *eap); |
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37 static int cs_insert_filelist(char *, char *, char *, |
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38 stat_T *); |
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39 static int cs_kill(exarg_T *eap); |
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40 static void cs_kill_execute(int, char *); |
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41 static cscmd_T * cs_lookup_cmd(exarg_T *eap); |
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42 static char * cs_make_vim_style_matches(char *, char *, |
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43 char *, char *); |
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44 static char * cs_manage_matches(char **, char **, int, mcmd_e); |
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45 static void cs_print_tags_priv(char **, char **, int); |
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46 static int cs_read_prompt(int); |
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47 static void cs_release_csp(int, int freefnpp); |
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48 static int cs_reset(exarg_T *eap); |
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49 static char * cs_resolve_file(int, char *); |
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50 static int cs_show(exarg_T *eap); |
| 7 | 51 |
| 52 | |
| 1931 | 53 static csinfo_T * csinfo = NULL; |
| 54 static int csinfo_size = 0; /* number of items allocated in | |
| 55 csinfo[] */ | |
| 56 | |
| 1372 | 57 static int eap_arg_len; /* length of eap->arg, set in |
| 58 cs_lookup_cmd() */ | |
| 7 | 59 static cscmd_T cs_cmds[] = |
| 60 { | |
| 61 { "add", cs_add, | |
| 62 N_("Add a new database"), "add file|dir [pre-path] [flags]", 0 }, | |
| 63 { "find", cs_find, | |
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64 N_("Query for a pattern"), "find a|c|d|e|f|g|i|s|t name", 1 }, |
| 7 | 65 { "help", cs_help, |
| 66 N_("Show this message"), "help", 0 }, | |
| 67 { "kill", cs_kill, | |
| 68 N_("Kill a connection"), "kill #", 0 }, | |
| 69 { "reset", cs_reset, | |
| 70 N_("Reinit all connections"), "reset", 0 }, | |
| 71 { "show", cs_show, | |
| 72 N_("Show connections"), "show", 0 }, | |
| 1880 | 73 { NULL, NULL, NULL, NULL, 0 } |
| 7 | 74 }; |
| 75 | |
| 76 static void | |
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77 cs_usage_msg(csid_e x) |
| 7 | 78 { |
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79 (void)semsg(_("E560: Usage: cs[cope] %s"), cs_cmds[(int)x].usage); |
| 7 | 80 } |
| 81 | |
| 1845 | 82 static enum |
| 83 { | |
| 84 EXP_CSCOPE_SUBCMD, /* expand ":cscope" sub-commands */ | |
| 1858 | 85 EXP_SCSCOPE_SUBCMD, /* expand ":scscope" sub-commands */ |
| 1845 | 86 EXP_CSCOPE_FIND, /* expand ":cscope find" arguments */ |
| 87 EXP_CSCOPE_KILL /* expand ":cscope kill" arguments */ | |
| 88 } expand_what; | |
| 89 | |
| 90 /* | |
| 91 * Function given to ExpandGeneric() to obtain the cscope command | |
| 92 * expansion. | |
| 93 */ | |
| 94 char_u * | |
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95 get_cscope_name(expand_T *xp UNUSED, int idx) |
| 1845 | 96 { |
| 1858 | 97 int current_idx; |
| 98 int i; | |
| 99 | |
| 1845 | 100 switch (expand_what) |
| 101 { | |
| 102 case EXP_CSCOPE_SUBCMD: | |
| 103 /* Complete with sub-commands of ":cscope": | |
| 104 * add, find, help, kill, reset, show */ | |
| 105 return (char_u *)cs_cmds[idx].name; | |
| 1858 | 106 case EXP_SCSCOPE_SUBCMD: |
| 107 /* Complete with sub-commands of ":scscope": same sub-commands as | |
| 108 * ":cscope" but skip commands which don't support split windows */ | |
| 109 for (i = 0, current_idx = 0; cs_cmds[i].name != NULL; i++) | |
| 110 if (cs_cmds[i].cansplit) | |
| 111 if (current_idx++ == idx) | |
| 112 break; | |
| 113 return (char_u *)cs_cmds[i].name; | |
| 1845 | 114 case EXP_CSCOPE_FIND: |
| 115 { | |
| 116 const char *query_type[] = | |
| 117 { | |
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118 "a", "c", "d", "e", "f", "g", "i", "s", "t", NULL |
| 1845 | 119 }; |
| 120 | |
| 121 /* Complete with query type of ":cscope find {query_type}". | |
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122 * {query_type} can be letters (c, d, ... a) or numbers (0, 1, |
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123 * ..., 9) but only complete with letters, since numbers are |
| 1845 | 124 * redundant. */ |
| 125 return (char_u *)query_type[idx]; | |
| 126 } | |
| 127 case EXP_CSCOPE_KILL: | |
| 128 { | |
| 1931 | 129 static char connection[5]; |
| 1845 | 130 |
| 131 /* ":cscope kill" accepts connection numbers or partial names of | |
| 132 * the pathname of the cscope database as argument. Only complete | |
| 133 * with connection numbers. -1 can also be used to kill all | |
| 134 * connections. */ | |
| 1931 | 135 for (i = 0, current_idx = 0; i < csinfo_size; i++) |
| 1845 | 136 { |
| 137 if (csinfo[i].fname == NULL) | |
| 138 continue; | |
| 139 if (current_idx++ == idx) | |
| 140 { | |
| 1931 | 141 vim_snprintf(connection, sizeof(connection), "%d", i); |
| 142 return (char_u *)connection; | |
| 1845 | 143 } |
| 144 } | |
| 145 return (current_idx == idx && idx > 0) ? (char_u *)"-1" : NULL; | |
| 146 } | |
| 147 default: | |
| 148 return NULL; | |
| 149 } | |
| 150 } | |
| 151 | |
| 152 /* | |
| 153 * Handle command line completion for :cscope command. | |
| 154 */ | |
| 155 void | |
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156 set_context_in_cscope_cmd( |
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157 expand_T *xp, |
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158 char_u *arg, |
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159 cmdidx_T cmdidx) |
| 1845 | 160 { |
| 161 char_u *p; | |
| 162 | |
| 163 /* Default: expand subcommands */ | |
| 164 xp->xp_context = EXPAND_CSCOPE; | |
| 165 xp->xp_pattern = arg; | |
| 1858 | 166 expand_what = (cmdidx == CMD_scscope) |
| 167 ? EXP_SCSCOPE_SUBCMD : EXP_CSCOPE_SUBCMD; | |
| 1845 | 168 |
| 169 /* (part of) subcommand already typed */ | |
| 170 if (*arg != NUL) | |
| 171 { | |
| 172 p = skiptowhite(arg); | |
| 173 if (*p != NUL) /* past first word */ | |
| 174 { | |
| 175 xp->xp_pattern = skipwhite(p); | |
| 176 if (*skiptowhite(xp->xp_pattern) != NUL) | |
| 177 xp->xp_context = EXPAND_NOTHING; | |
| 178 else if (STRNICMP(arg, "add", p - arg) == 0) | |
| 179 xp->xp_context = EXPAND_FILES; | |
| 180 else if (STRNICMP(arg, "kill", p - arg) == 0) | |
| 181 expand_what = EXP_CSCOPE_KILL; | |
| 182 else if (STRNICMP(arg, "find", p - arg) == 0) | |
| 183 expand_what = EXP_CSCOPE_FIND; | |
| 184 else | |
| 185 xp->xp_context = EXPAND_NOTHING; | |
| 186 } | |
| 187 } | |
| 188 } | |
| 189 | |
| 7 | 190 /* |
| 1845 | 191 * Find the command, print help if invalid, and then call the corresponding |
| 192 * command function. | |
| 7 | 193 */ |
| 194 static void | |
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195 do_cscope_general( |
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196 exarg_T *eap, |
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197 int make_split UNUSED) /* whether to split window */ |
| 7 | 198 { |
| 199 cscmd_T *cmdp; | |
| 200 | |
| 201 if ((cmdp = cs_lookup_cmd(eap)) == NULL) | |
| 202 { | |
| 203 cs_help(eap); | |
| 204 return; | |
| 205 } | |
| 206 | |
| 207 if (make_split) | |
| 208 { | |
| 209 if (!cmdp->cansplit) | |
| 210 { | |
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211 (void)msg_puts(_("This cscope command does not support splitting the window.\n")); |
| 7 | 212 return; |
| 213 } | |
| 214 postponed_split = -1; | |
| 215 postponed_split_flags = cmdmod.split; | |
| 1090 | 216 postponed_split_tab = cmdmod.tab; |
| 7 | 217 } |
| 218 | |
| 219 cmdp->func(eap); | |
| 220 | |
| 221 postponed_split_flags = 0; | |
| 1090 | 222 postponed_split_tab = 0; |
| 7 | 223 } |
| 224 | |
| 225 /* | |
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226 * Implementation of ":cscope" and ":lcscope" |
| 7 | 227 */ |
| 228 void | |
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229 ex_cscope(exarg_T *eap) |
| 7 | 230 { |
| 231 do_cscope_general(eap, FALSE); | |
| 232 } | |
| 233 | |
| 234 /* | |
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235 * Implementation of ":scscope". Same as ex_cscope(), but splits window, too. |
| 7 | 236 */ |
| 237 void | |
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238 ex_scscope(exarg_T *eap) |
| 7 | 239 { |
| 240 do_cscope_general(eap, TRUE); | |
| 241 } | |
| 242 | |
| 243 /* | |
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244 * Implementation of ":cstag" |
| 7 | 245 */ |
| 246 void | |
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247 ex_cstag(exarg_T *eap) |
| 7 | 248 { |
| 249 int ret = FALSE; | |
| 250 | |
| 1621 | 251 if (*eap->arg == NUL) |
| 7 | 252 { |
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253 (void)emsg(_("E562: Usage: cstag <ident>")); |
| 7 | 254 return; |
| 255 } | |
| 256 | |
| 257 switch (p_csto) | |
| 258 { | |
| 259 case 0 : | |
| 260 if (cs_check_for_connections()) | |
| 261 { | |
| 665 | 262 ret = cs_find_common("g", (char *)(eap->arg), eap->forceit, FALSE, |
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263 FALSE, *eap->cmdlinep); |
| 7 | 264 if (ret == FALSE) |
| 265 { | |
| 266 cs_free_tags(); | |
| 267 if (msg_col) | |
| 268 msg_putchar('\n'); | |
| 269 | |
| 270 if (cs_check_for_tags()) | |
| 271 ret = do_tag(eap->arg, DT_JUMP, 0, eap->forceit, FALSE); | |
| 272 } | |
| 273 } | |
| 274 else if (cs_check_for_tags()) | |
| 275 { | |
| 276 ret = do_tag(eap->arg, DT_JUMP, 0, eap->forceit, FALSE); | |
| 277 } | |
| 278 break; | |
| 279 case 1 : | |
| 280 if (cs_check_for_tags()) | |
| 281 { | |
| 282 ret = do_tag(eap->arg, DT_JUMP, 0, eap->forceit, FALSE); | |
| 283 if (ret == FALSE) | |
| 284 { | |
| 285 if (msg_col) | |
| 286 msg_putchar('\n'); | |
| 287 | |
| 288 if (cs_check_for_connections()) | |
| 289 { | |
| 290 ret = cs_find_common("g", (char *)(eap->arg), eap->forceit, | |
|
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diff
changeset
|
291 FALSE, FALSE, *eap->cmdlinep); |
| 7 | 292 if (ret == FALSE) |
| 293 cs_free_tags(); | |
| 294 } | |
| 295 } | |
| 296 } | |
| 297 else if (cs_check_for_connections()) | |
| 298 { | |
| 665 | 299 ret = cs_find_common("g", (char *)(eap->arg), eap->forceit, FALSE, |
|
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diff
changeset
|
300 FALSE, *eap->cmdlinep); |
| 7 | 301 if (ret == FALSE) |
| 302 cs_free_tags(); | |
| 303 } | |
| 304 break; | |
| 305 default : | |
| 306 break; | |
| 307 } | |
| 308 | |
| 309 if (!ret) | |
| 310 { | |
|
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changeset
|
311 (void)emsg(_("E257: cstag: tag not found")); |
|
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patch 8.0.1118: FEAT_WINDOWS adds a lot of #ifdefs
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diff
changeset
|
312 #if defined(FEAT_QUICKFIX) |
| 7 | 313 g_do_tagpreview = 0; |
| 314 #endif | |
| 315 } | |
| 316 | |
|
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|
317 } |
| 7 | 318 |
| 319 | |
| 320 /* | |
|
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changeset
|
321 * This simulates a vim_fgets(), but for cscope, returns the next line |
| 7 | 322 * from the cscope output. should only be called from find_tags() |
| 323 * | |
| 324 * returns TRUE if eof, FALSE otherwise | |
| 325 */ | |
| 326 int | |
|
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diff
changeset
|
327 cs_fgets(char_u *buf, int size) |
| 7 | 328 { |
| 329 char *p; | |
| 330 | |
| 331 if ((p = cs_manage_matches(NULL, NULL, -1, Get)) == NULL) | |
| 332 return TRUE; | |
| 1372 | 333 vim_strncpy(buf, (char_u *)p, size - 1); |
| 7 | 334 |
| 335 return FALSE; | |
| 336 } /* cs_fgets */ | |
| 337 | |
| 338 | |
| 339 /* | |
|
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|
340 * Called only from do_tag(), when popping the tag stack. |
| 7 | 341 */ |
| 342 void | |
|
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diff
changeset
|
343 cs_free_tags(void) |
| 7 | 344 { |
| 345 cs_manage_matches(NULL, NULL, -1, Free); | |
| 346 } | |
| 347 | |
| 348 | |
| 349 /* | |
|
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350 * Called from do_tag(). |
| 7 | 351 */ |
| 352 void | |
|
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|
353 cs_print_tags(void) |
| 7 | 354 { |
| 355 cs_manage_matches(NULL, NULL, -1, Print); | |
| 356 } | |
| 357 | |
| 358 | |
| 359 /* | |
| 360 * "cscope_connection([{num} , {dbpath} [, {prepend}]])" function | |
| 361 * | |
| 362 * Checks for the existence of a |cscope| connection. If no | |
| 363 * parameters are specified, then the function returns: | |
| 364 * | |
| 365 * 0, if cscope was not available (not compiled in), or if there | |
| 366 * are no cscope connections; or | |
| 367 * 1, if there is at least one cscope connection. | |
| 368 * | |
| 369 * If parameters are specified, then the value of {num} | |
| 370 * determines how existence of a cscope connection is checked: | |
| 371 * | |
| 372 * {num} Description of existence check | |
| 373 * ----- ------------------------------ | |
| 374 * 0 Same as no parameters (e.g., "cscope_connection()"). | |
| 375 * 1 Ignore {prepend}, and use partial string matches for | |
| 376 * {dbpath}. | |
| 377 * 2 Ignore {prepend}, and use exact string matches for | |
| 378 * {dbpath}. | |
| 379 * 3 Use {prepend}, use partial string matches for both | |
| 380 * {dbpath} and {prepend}. | |
| 381 * 4 Use {prepend}, use exact string matches for both | |
| 382 * {dbpath} and {prepend}. | |
| 383 * | |
| 384 * Note: All string comparisons are case sensitive! | |
| 385 */ | |
| 386 #if defined(FEAT_EVAL) || defined(PROTO) | |
| 387 int | |
|
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|
388 cs_connection(int num, char_u *dbpath, char_u *ppath) |
| 7 | 389 { |
| 390 int i; | |
| 391 | |
| 392 if (num < 0 || num > 4 || (num > 0 && !dbpath)) | |
| 393 return FALSE; | |
| 394 | |
| 1931 | 395 for (i = 0; i < csinfo_size; i++) |
| 7 | 396 { |
| 397 if (!csinfo[i].fname) | |
| 398 continue; | |
| 399 | |
| 400 if (num == 0) | |
| 401 return TRUE; | |
| 402 | |
| 403 switch (num) | |
| 404 { | |
| 405 case 1: | |
| 406 if (strstr(csinfo[i].fname, (char *)dbpath)) | |
| 407 return TRUE; | |
| 408 break; | |
| 409 case 2: | |
| 410 if (strcmp(csinfo[i].fname, (char *)dbpath) == 0) | |
| 411 return TRUE; | |
| 412 break; | |
| 413 case 3: | |
| 414 if (strstr(csinfo[i].fname, (char *)dbpath) | |
| 415 && ((!ppath && !csinfo[i].ppath) | |
| 416 || (ppath | |
| 417 && csinfo[i].ppath | |
| 418 && strstr(csinfo[i].ppath, (char *)ppath)))) | |
| 419 return TRUE; | |
| 420 break; | |
| 421 case 4: | |
| 422 if ((strcmp(csinfo[i].fname, (char *)dbpath) == 0) | |
| 423 && ((!ppath && !csinfo[i].ppath) | |
| 424 || (ppath | |
| 425 && csinfo[i].ppath | |
| 426 && (strcmp(csinfo[i].ppath, (char *)ppath) == 0)))) | |
| 427 return TRUE; | |
| 428 break; | |
| 429 } | |
| 430 } | |
| 431 | |
| 432 return FALSE; | |
| 433 } /* cs_connection */ | |
| 434 #endif | |
| 435 | |
| 436 | |
| 437 /* | |
| 438 * PRIVATE functions | |
| 439 ****************************************************************************/ | |
| 440 | |
| 441 /* | |
|
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diff
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|
442 * Add cscope database or a directory name (to look for cscope.out) |
|
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|
443 * to the cscope connection list. |
| 7 | 444 */ |
| 445 static int | |
|
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diff
changeset
|
446 cs_add(exarg_T *eap UNUSED) |
| 7 | 447 { |
| 448 char *fname, *ppath, *flags = NULL; | |
| 449 | |
| 450 if ((fname = strtok((char *)NULL, (const char *)" ")) == NULL) | |
| 451 { | |
| 452 cs_usage_msg(Add); | |
| 453 return CSCOPE_FAILURE; | |
| 454 } | |
| 455 if ((ppath = strtok((char *)NULL, (const char *)" ")) != NULL) | |
| 456 flags = strtok((char *)NULL, (const char *)" "); | |
| 457 | |
| 458 return cs_add_common(fname, ppath, flags); | |
| 459 } | |
| 460 | |
| 461 static void | |
|
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changeset
|
462 cs_stat_emsg(char *fname) |
| 7 | 463 { |
| 464 char *stat_emsg = _("E563: stat(%s) error: %d"); | |
|
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|
465 char *buf = alloc(strlen(stat_emsg) + MAXPATHL + 10); |
| 7 | 466 |
| 467 if (buf != NULL) | |
| 468 { | |
| 469 (void)sprintf(buf, stat_emsg, fname, errno); | |
|
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changeset
|
470 (void)emsg(buf); |
| 7 | 471 vim_free(buf); |
| 472 } | |
| 473 else | |
|
15470
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diff
changeset
|
474 (void)emsg(_("E563: stat error")); |
| 7 | 475 } |
| 476 | |
| 477 | |
| 478 /* | |
|
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diff
changeset
|
479 * The common routine to add a new cscope connection. Called by |
|
bd674706408a
commit https://github.com/vim/vim/commit/d4db7719bdfbc54df396eac08d8cbb2389feacf4
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diff
changeset
|
480 * cs_add() and cs_reset(). I really don't like to do this, but this |
| 7 | 481 * routine uses a number of goto statements. |
| 482 */ | |
| 483 static int | |
|
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diff
changeset
|
484 cs_add_common( |
|
bcef391c101c
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changeset
|
485 char *arg1, /* filename - may contain environment variables */ |
|
bcef391c101c
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diff
changeset
|
486 char *arg2, /* prepend path - may contain environment variables */ |
|
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changeset
|
487 char *flags) |
| 7 | 488 { |
|
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diff
changeset
|
489 stat_T statbuf; |
| 12 | 490 int ret; |
| 491 char *fname = NULL; | |
| 492 char *fname2 = NULL; | |
| 493 char *ppath = NULL; | |
| 494 int i; | |
|
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|
495 int len; |
|
04b8912a9c85
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changeset
|
496 int usedlen = 0; |
|
04b8912a9c85
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diff
changeset
|
497 char_u *fbuf = NULL; |
| 7 | 498 |
| 499 /* get the filename (arg1), expand it, and try to stat it */ | |
|
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changeset
|
500 if ((fname = alloc(MAXPATHL + 1)) == NULL) |
| 7 | 501 goto add_err; |
| 502 | |
| 503 expand_env((char_u *)arg1, (char_u *)fname, MAXPATHL); | |
|
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changeset
|
504 len = (int)STRLEN(fname); |
|
04b8912a9c85
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diff
changeset
|
505 fbuf = (char_u *)fname; |
|
14393
c62601adad69
patch 8.1.0211: expanding a file name "~" results in $HOME
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13380
diff
changeset
|
506 (void)modify_fname((char_u *)":p", FALSE, &usedlen, |
|
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diff
changeset
|
507 (char_u **)&fname, &fbuf, &len); |
|
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diff
changeset
|
508 if (fname == NULL) |
|
04b8912a9c85
updated for version 7.3.1180
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diff
changeset
|
509 goto add_err; |
|
04b8912a9c85
updated for version 7.3.1180
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4581
diff
changeset
|
510 fname = (char *)vim_strnsave((char_u *)fname, len); |
|
04b8912a9c85
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diff
changeset
|
511 vim_free(fbuf); |
|
17966
46f95606b9ec
patch 8.1.1979: code for handling file names is spread out
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17781
diff
changeset
|
512 |
|
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diff
changeset
|
513 ret = mch_stat(fname, &statbuf); |
| 7 | 514 if (ret < 0) |
| 515 { | |
| 516 staterr: | |
| 517 if (p_csverbose) | |
| 518 cs_stat_emsg(fname); | |
| 519 goto add_err; | |
| 520 } | |
| 521 | |
| 522 /* get the prepend path (arg2), expand it, and try to stat it */ | |
| 523 if (arg2 != NULL) | |
| 524 { | |
|
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diff
changeset
|
525 stat_T statbuf2; |
| 7 | 526 |
|
16825
ce04ebdf26b8
patch 8.1.1414: alloc() returning "char_u *" causes a lot of type casts
Bram Moolenaar <Bram@vim.org>
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16764
diff
changeset
|
527 if ((ppath = alloc(MAXPATHL + 1)) == NULL) |
| 7 | 528 goto add_err; |
| 529 | |
| 530 expand_env((char_u *)arg2, (char_u *)ppath, MAXPATHL); | |
|
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Christian Brabandt <cb@256bit.org>
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9340
diff
changeset
|
531 ret = mch_stat(ppath, &statbuf2); |
| 7 | 532 if (ret < 0) |
| 533 goto staterr; | |
| 534 } | |
| 535 | |
| 536 /* if filename is a directory, append the cscope database name to it */ | |
|
14509
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patch 8.1.0268: file type checking has too many #ifdef
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parents:
14393
diff
changeset
|
537 if (S_ISDIR(statbuf.st_mode)) |
| 7 | 538 { |
|
16825
ce04ebdf26b8
patch 8.1.1414: alloc() returning "char_u *" causes a lot of type casts
Bram Moolenaar <Bram@vim.org>
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16764
diff
changeset
|
539 fname2 = alloc(strlen(CSCOPE_DBFILE) + strlen(fname) + 2); |
| 7 | 540 if (fname2 == NULL) |
| 541 goto add_err; | |
| 542 | |
| 543 while (fname[strlen(fname)-1] == '/' | |
|
15868
7fad90423bd2
patch 8.1.0941: macros for MS-Windows are inconsistent
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parents:
15543
diff
changeset
|
544 #ifdef MSWIN |
| 7 | 545 || fname[strlen(fname)-1] == '\\' |
| 546 #endif | |
| 547 ) | |
| 548 { | |
| 549 fname[strlen(fname)-1] = '\0'; | |
|
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diff
changeset
|
550 if (fname[0] == '\0') |
| 7 | 551 break; |
| 552 } | |
| 553 if (fname[0] == '\0') | |
| 554 (void)sprintf(fname2, "/%s", CSCOPE_DBFILE); | |
| 555 else | |
| 556 (void)sprintf(fname2, "%s/%s", fname, CSCOPE_DBFILE); | |
| 557 | |
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diff
changeset
|
558 ret = mch_stat(fname2, &statbuf); |
| 7 | 559 if (ret < 0) |
| 560 { | |
| 561 if (p_csverbose) | |
| 562 cs_stat_emsg(fname2); | |
| 563 goto add_err; | |
| 564 } | |
| 565 | |
| 566 i = cs_insert_filelist(fname2, ppath, flags, &statbuf); | |
| 567 } | |
| 568 else if (S_ISREG(statbuf.st_mode) || S_ISLNK(statbuf.st_mode)) | |
| 569 { | |
| 570 i = cs_insert_filelist(fname, ppath, flags, &statbuf); | |
| 571 } | |
| 572 else | |
| 573 { | |
| 574 if (p_csverbose) | |
|
15470
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patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents:
14862
diff
changeset
|
575 (void)semsg( |
| 7 | 576 _("E564: %s is not a directory or a valid cscope database"), |
| 577 fname); | |
| 578 goto add_err; | |
| 579 } | |
| 580 | |
| 581 if (i != -1) | |
| 582 { | |
| 583 if (cs_create_connection(i) == CSCOPE_FAILURE | |
| 584 || cs_read_prompt(i) == CSCOPE_FAILURE) | |
| 585 { | |
| 586 cs_release_csp(i, TRUE); | |
| 587 goto add_err; | |
| 588 } | |
| 589 | |
| 590 if (p_csverbose) | |
| 591 { | |
| 592 msg_clr_eos(); | |
|
11158
501f46f7644c
patch 8.0.0466: still macros that should be all-caps
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11129
diff
changeset
|
593 (void)smsg_attr(HL_ATTR(HLF_R), |
|
15470
55ccc2d353bd
patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents:
14862
diff
changeset
|
594 _("Added cscope database %s"), |
| 7 | 595 csinfo[i].fname); |
| 596 } | |
| 597 } | |
| 598 | |
| 599 vim_free(fname); | |
| 600 vim_free(fname2); | |
| 601 vim_free(ppath); | |
| 602 return CSCOPE_SUCCESS; | |
| 603 | |
| 604 add_err: | |
| 605 vim_free(fname2); | |
| 606 vim_free(fname); | |
| 607 vim_free(ppath); | |
| 608 return CSCOPE_FAILURE; | |
| 609 } /* cs_add_common */ | |
| 610 | |
| 611 | |
| 612 static int | |
|
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diff
changeset
|
613 cs_check_for_connections(void) |
| 7 | 614 { |
| 615 return (cs_cnt_connections() > 0); | |
| 616 } /* cs_check_for_connections */ | |
| 617 | |
| 618 | |
| 619 static int | |
|
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diff
changeset
|
620 cs_check_for_tags(void) |
| 7 | 621 { |
| 301 | 622 return (p_tags[0] != NUL && curbuf->b_p_tags != NULL); |
| 7 | 623 } /* cs_check_for_tags */ |
| 624 | |
| 625 | |
| 626 /* | |
|
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commit https://github.com/vim/vim/commit/d4db7719bdfbc54df396eac08d8cbb2389feacf4
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diff
changeset
|
627 * Count the number of cscope connections. |
| 7 | 628 */ |
| 629 static int | |
|
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diff
changeset
|
630 cs_cnt_connections(void) |
| 7 | 631 { |
| 632 short i; | |
| 633 short cnt = 0; | |
| 634 | |
| 1931 | 635 for (i = 0; i < csinfo_size; i++) |
| 7 | 636 { |
| 637 if (csinfo[i].fname != NULL) | |
| 638 cnt++; | |
| 639 } | |
| 640 return cnt; | |
| 641 } /* cs_cnt_connections */ | |
| 642 | |
| 643 static void | |
|
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diff
changeset
|
644 cs_reading_emsg( |
|
bcef391c101c
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|
645 int idx) /* connection index */ |
| 7 | 646 { |
|
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changeset
|
647 semsg(_("E262: error reading cscope connection %d"), idx); |
| 7 | 648 } |
| 649 | |
| 650 #define CSREAD_BUFSIZE 2048 | |
| 651 /* | |
|
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commit https://github.com/vim/vim/commit/d4db7719bdfbc54df396eac08d8cbb2389feacf4
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diff
changeset
|
652 * Count the number of matches for a given cscope connection. |
| 7 | 653 */ |
| 654 static int | |
|
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diff
changeset
|
655 cs_cnt_matches(int idx) |
| 7 | 656 { |
| 657 char *stok; | |
| 658 char *buf; | |
|
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patch 8.0.1439: if cscope fails a search Vim may hang
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659 int nlines = 0; |
| 7 | 660 |
|
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|
661 buf = alloc(CSREAD_BUFSIZE); |
| 7 | 662 if (buf == NULL) |
| 663 return 0; | |
| 664 for (;;) | |
| 665 { | |
| 666 if (!fgets(buf, CSREAD_BUFSIZE, csinfo[idx].fr_fp)) | |
| 667 { | |
| 668 if (feof(csinfo[idx].fr_fp)) | |
| 669 errno = EIO; | |
| 670 | |
| 671 cs_reading_emsg(idx); | |
| 672 | |
| 673 vim_free(buf); | |
| 674 return -1; | |
| 675 } | |
| 676 | |
| 677 /* | |
| 678 * If the database is out of date, or there's some other problem, | |
| 679 * cscope will output error messages before the number-of-lines output. | |
| 680 * Display/discard any output that doesn't match what we want. | |
| 1058 | 681 * Accept "\S*cscope: X lines", also matches "mlcscope". |
|
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682 * Bail out for the "Unable to search" error. |
| 7 | 683 */ |
|
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patch 8.0.1442: using pointer before it is set
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684 if (strstr((const char *)buf, "Unable to search database") != NULL) |
|
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changeset
|
685 break; |
| 7 | 686 if ((stok = strtok(buf, (const char *)" ")) == NULL) |
| 687 continue; | |
| 1058 | 688 if (strstr((const char *)stok, "cscope:") == NULL) |
| 7 | 689 continue; |
| 690 | |
| 691 if ((stok = strtok(NULL, (const char *)" ")) == NULL) | |
| 692 continue; | |
| 693 nlines = atoi(stok); | |
| 694 if (nlines < 0) | |
| 695 { | |
| 696 nlines = 0; | |
| 697 break; | |
| 698 } | |
| 699 | |
| 700 if ((stok = strtok(NULL, (const char *)" ")) == NULL) | |
| 701 continue; | |
| 702 if (strncmp((const char *)stok, "lines", 5)) | |
| 703 continue; | |
| 704 | |
| 705 break; | |
| 706 } | |
| 707 | |
| 708 vim_free(buf); | |
| 709 return nlines; | |
| 710 } /* cs_cnt_matches */ | |
| 711 | |
| 712 | |
| 713 /* | |
| 714 * Creates the actual cscope command query from what the user entered. | |
| 715 */ | |
| 716 static char * | |
|
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changeset
|
717 cs_create_cmd(char *csoption, char *pattern) |
| 7 | 718 { |
| 719 char *cmd; | |
| 720 short search; | |
| 1847 | 721 char *pat; |
| 7 | 722 |
| 723 switch (csoption[0]) | |
| 724 { | |
| 725 case '0' : case 's' : | |
| 726 search = 0; | |
| 727 break; | |
| 728 case '1' : case 'g' : | |
| 729 search = 1; | |
| 730 break; | |
| 731 case '2' : case 'd' : | |
| 732 search = 2; | |
| 733 break; | |
| 734 case '3' : case 'c' : | |
| 735 search = 3; | |
| 736 break; | |
| 737 case '4' : case 't' : | |
| 738 search = 4; | |
| 739 break; | |
| 740 case '6' : case 'e' : | |
| 741 search = 6; | |
| 742 break; | |
| 743 case '7' : case 'f' : | |
| 744 search = 7; | |
| 745 break; | |
| 746 case '8' : case 'i' : | |
| 747 search = 8; | |
| 748 break; | |
|
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749 case '9' : case 'a' : |
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750 search = 9; |
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|
751 break; |
| 7 | 752 default : |
|
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changeset
|
753 (void)emsg(_("E561: unknown cscope search type")); |
| 7 | 754 cs_usage_msg(Find); |
| 755 return NULL; | |
| 756 } | |
| 757 | |
| 1847 | 758 /* Skip white space before the patter, except for text and pattern search, |
| 759 * they may want to use the leading white space. */ | |
| 760 pat = pattern; | |
| 761 if (search != 4 && search != 6) | |
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762 while VIM_ISWHITE(*pat) |
| 1847 | 763 ++pat; |
| 764 | |
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changeset
|
765 if ((cmd = alloc(strlen(pat) + 2)) == NULL) |
| 7 | 766 return NULL; |
| 767 | |
| 1847 | 768 (void)sprintf(cmd, "%d%s", search, pat); |
| 7 | 769 |
| 770 return cmd; | |
| 771 } /* cs_create_cmd */ | |
| 772 | |
| 773 | |
| 774 /* | |
| 775 * This piece of code was taken/adapted from nvi. do we need to add | |
| 776 * the BSD license notice? | |
| 777 */ | |
| 778 static int | |
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779 cs_create_connection(int i) |
| 7 | 780 { |
| 1385 | 781 #ifdef UNIX |
| 782 int to_cs[2], from_cs[2]; | |
| 783 #endif | |
| 784 int len; | |
| 785 char *prog, *cmd, *ppath = NULL; | |
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786 #ifdef MSWIN |
| 1385 | 787 int fd; |
| 788 SECURITY_ATTRIBUTES sa; | |
| 789 PROCESS_INFORMATION pi; | |
| 790 STARTUPINFO si; | |
| 791 BOOL pipe_stdin = FALSE, pipe_stdout = FALSE; | |
| 792 HANDLE stdin_rd, stdout_rd; | |
| 793 HANDLE stdout_wr, stdin_wr; | |
| 794 BOOL created; | |
|
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changeset
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795 # if (defined(_MSC_VER) && (_MSC_VER >= 1300)) || defined(__MINGW32__) |
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|
796 # define OPEN_OH_ARGTYPE intptr_t |
| 1393 | 797 # else |
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changeset
|
798 # define OPEN_OH_ARGTYPE long |
| 1393 | 799 # endif |
| 7 | 800 #endif |
| 801 | |
| 1385 | 802 #if defined(UNIX) |
| 7 | 803 /* |
| 804 * Cscope reads from to_cs[0] and writes to from_cs[1]; vi reads from | |
| 805 * from_cs[0] and writes to to_cs[1]. | |
| 806 */ | |
| 807 to_cs[0] = to_cs[1] = from_cs[0] = from_cs[1] = -1; | |
| 808 if (pipe(to_cs) < 0 || pipe(from_cs) < 0) | |
| 809 { | |
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changeset
|
810 (void)emsg(_("E566: Could not create cscope pipes")); |
| 7 | 811 err_closing: |
| 812 if (to_cs[0] != -1) | |
| 813 (void)close(to_cs[0]); | |
| 814 if (to_cs[1] != -1) | |
| 815 (void)close(to_cs[1]); | |
| 816 if (from_cs[0] != -1) | |
| 817 (void)close(from_cs[0]); | |
| 818 if (from_cs[1] != -1) | |
| 819 (void)close(from_cs[1]); | |
| 820 return CSCOPE_FAILURE; | |
| 821 } | |
| 822 | |
| 823 switch (csinfo[i].pid = fork()) | |
| 824 { | |
| 825 case -1: | |
|
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Bram Moolenaar <Bram@vim.org>
parents:
14862
diff
changeset
|
826 (void)emsg(_("E622: Could not fork for cscope")); |
| 7 | 827 goto err_closing; |
| 828 case 0: /* child: run cscope. */ | |
| 829 if (dup2(to_cs[0], STDIN_FILENO) == -1) | |
| 830 PERROR("cs_create_connection 1"); | |
| 831 if (dup2(from_cs[1], STDOUT_FILENO) == -1) | |
| 832 PERROR("cs_create_connection 2"); | |
| 833 if (dup2(from_cs[1], STDERR_FILENO) == -1) | |
| 834 PERROR("cs_create_connection 3"); | |
| 835 | |
| 836 /* close unused */ | |
| 837 (void)close(to_cs[1]); | |
| 838 (void)close(from_cs[0]); | |
| 839 #else | |
|
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changeset
|
840 /* MSWIN */ |
| 1385 | 841 /* Create pipes to communicate with cscope */ |
| 842 sa.nLength = sizeof(SECURITY_ATTRIBUTES); | |
| 843 sa.bInheritHandle = TRUE; | |
| 844 sa.lpSecurityDescriptor = NULL; | |
| 845 | |
| 846 if (!(pipe_stdin = CreatePipe(&stdin_rd, &stdin_wr, &sa, 0)) | |
| 847 || !(pipe_stdout = CreatePipe(&stdout_rd, &stdout_wr, &sa, 0))) | |
| 848 { | |
|
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Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
849 (void)emsg(_("E566: Could not create cscope pipes")); |
| 1385 | 850 err_closing: |
| 851 if (pipe_stdin) | |
| 852 { | |
| 853 CloseHandle(stdin_rd); | |
| 854 CloseHandle(stdin_wr); | |
| 855 } | |
| 856 if (pipe_stdout) | |
| 857 { | |
| 858 CloseHandle(stdout_rd); | |
| 859 CloseHandle(stdout_wr); | |
| 860 } | |
| 861 return CSCOPE_FAILURE; | |
| 862 } | |
| 7 | 863 #endif |
| 864 /* expand the cscope exec for env var's */ | |
|
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diff
changeset
|
865 if ((prog = alloc(MAXPATHL + 1)) == NULL) |
| 7 | 866 { |
| 867 #ifdef UNIX | |
| 868 return CSCOPE_FAILURE; | |
| 869 #else | |
|
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Bram Moolenaar <Bram@vim.org>
parents:
15543
diff
changeset
|
870 /* MSWIN */ |
| 7 | 871 goto err_closing; |
| 872 #endif | |
| 873 } | |
| 874 expand_env((char_u *)p_csprg, (char_u *)prog, MAXPATHL); | |
| 875 | |
| 876 /* alloc space to hold the cscope command */ | |
| 835 | 877 len = (int)(strlen(prog) + strlen(csinfo[i].fname) + 32); |
| 7 | 878 if (csinfo[i].ppath) |
| 879 { | |
| 880 /* expand the prepend path for env var's */ | |
|
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patch 8.1.1414: alloc() returning "char_u *" causes a lot of type casts
Bram Moolenaar <Bram@vim.org>
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diff
changeset
|
881 if ((ppath = alloc(MAXPATHL + 1)) == NULL) |
| 7 | 882 { |
| 883 vim_free(prog); | |
| 884 #ifdef UNIX | |
| 885 return CSCOPE_FAILURE; | |
| 886 #else | |
|
15868
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Bram Moolenaar <Bram@vim.org>
parents:
15543
diff
changeset
|
887 /* MSWIN */ |
| 7 | 888 goto err_closing; |
| 889 #endif | |
| 890 } | |
| 891 expand_env((char_u *)csinfo[i].ppath, (char_u *)ppath, MAXPATHL); | |
| 892 | |
| 835 | 893 len += (int)strlen(ppath); |
| 7 | 894 } |
| 895 | |
| 896 if (csinfo[i].flags) | |
| 835 | 897 len += (int)strlen(csinfo[i].flags); |
| 7 | 898 |
|
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parents:
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diff
changeset
|
899 if ((cmd = alloc(len)) == NULL) |
| 7 | 900 { |
| 901 vim_free(prog); | |
| 902 vim_free(ppath); | |
| 903 #ifdef UNIX | |
| 904 return CSCOPE_FAILURE; | |
| 905 #else | |
|
15868
7fad90423bd2
patch 8.1.0941: macros for MS-Windows are inconsistent
Bram Moolenaar <Bram@vim.org>
parents:
15543
diff
changeset
|
906 /* MSWIN */ |
| 7 | 907 goto err_closing; |
| 908 #endif | |
| 909 } | |
| 910 | |
| 911 /* run the cscope command; is there execl for non-unix systems? */ | |
| 912 #if defined(UNIX) | |
| 913 (void)sprintf(cmd, "exec %s -dl -f %s", prog, csinfo[i].fname); | |
| 914 #else | |
|
15868
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patch 8.1.0941: macros for MS-Windows are inconsistent
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parents:
15543
diff
changeset
|
915 /* MSWIN */ |
| 7 | 916 (void)sprintf(cmd, "%s -dl -f %s", prog, csinfo[i].fname); |
| 917 #endif | |
| 918 if (csinfo[i].ppath != NULL) | |
| 919 { | |
| 920 (void)strcat(cmd, " -P"); | |
| 921 (void)strcat(cmd, csinfo[i].ppath); | |
| 922 } | |
| 923 if (csinfo[i].flags != NULL) | |
| 924 { | |
| 925 (void)strcat(cmd, " "); | |
| 926 (void)strcat(cmd, csinfo[i].flags); | |
| 927 } | |
| 928 # ifdef UNIX | |
| 929 /* on Win32 we still need prog */ | |
| 930 vim_free(prog); | |
| 931 # endif | |
| 932 vim_free(ppath); | |
| 933 | |
| 934 #if defined(UNIX) | |
|
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parents:
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diff
changeset
|
935 # if defined(HAVE_SETSID) || defined(HAVE_SETPGID) |
|
d2f9f67924e7
updated for version 7.3.1276
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
936 /* Change our process group to avoid cscope receiving SIGWINCH. */ |
|
d2f9f67924e7
updated for version 7.3.1276
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parents:
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diff
changeset
|
937 # if defined(HAVE_SETSID) |
|
d2f9f67924e7
updated for version 7.3.1276
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diff
changeset
|
938 (void)setsid(); |
|
d2f9f67924e7
updated for version 7.3.1276
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parents:
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diff
changeset
|
939 # else |
|
d2f9f67924e7
updated for version 7.3.1276
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parents:
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diff
changeset
|
940 if (setpgid(0, 0) == -1) |
|
d2f9f67924e7
updated for version 7.3.1276
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parents:
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diff
changeset
|
941 PERROR(_("cs_create_connection setpgid failed")); |
|
d2f9f67924e7
updated for version 7.3.1276
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parents:
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diff
changeset
|
942 # endif |
|
d2f9f67924e7
updated for version 7.3.1276
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diff
changeset
|
943 # endif |
| 1878 | 944 if (execl("/bin/sh", "sh", "-c", cmd, (char *)NULL) == -1) |
| 7 | 945 PERROR(_("cs_create_connection exec failed")); |
| 946 | |
| 947 exit(127); | |
| 948 /* NOTREACHED */ | |
| 949 default: /* parent. */ | |
| 950 /* | |
| 951 * Save the file descriptors for later duplication, and | |
| 952 * reopen as streams. | |
| 953 */ | |
| 954 if ((csinfo[i].to_fp = fdopen(to_cs[1], "w")) == NULL) | |
| 955 PERROR(_("cs_create_connection: fdopen for to_fp failed")); | |
| 956 if ((csinfo[i].fr_fp = fdopen(from_cs[0], "r")) == NULL) | |
| 957 PERROR(_("cs_create_connection: fdopen for fr_fp failed")); | |
| 958 | |
| 959 /* close unused */ | |
| 960 (void)close(to_cs[0]); | |
| 961 (void)close(from_cs[1]); | |
| 962 | |
| 963 break; | |
| 964 } | |
| 1385 | 965 |
| 7 | 966 #else |
|
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|
967 /* MSWIN */ |
| 1385 | 968 /* Create a new process to run cscope and use pipes to talk with it */ |
| 969 GetStartupInfo(&si); | |
| 970 si.dwFlags = STARTF_USESTDHANDLES | STARTF_USESHOWWINDOW; | |
| 971 si.wShowWindow = SW_HIDE; /* Hide child application window */ | |
| 972 si.hStdOutput = stdout_wr; | |
| 973 si.hStdError = stdout_wr; | |
| 974 si.hStdInput = stdin_rd; | |
| 975 created = CreateProcess(NULL, cmd, NULL, NULL, TRUE, CREATE_NEW_CONSOLE, | |
| 976 NULL, NULL, &si, &pi); | |
| 977 vim_free(prog); | |
| 978 vim_free(cmd); | |
| 979 | |
| 980 if (!created) | |
| 981 { | |
| 982 PERROR(_("cs_create_connection exec failed")); | |
|
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|
983 (void)emsg(_("E623: Could not spawn cscope process")); |
| 1385 | 984 goto err_closing; |
| 985 } | |
| 986 /* else */ | |
| 987 csinfo[i].pid = pi.dwProcessId; | |
| 988 csinfo[i].hProc = pi.hProcess; | |
| 989 CloseHandle(pi.hThread); | |
| 990 | |
| 991 /* TODO - tidy up after failure to create files on pipe handles. */ | |
| 1393 | 992 if (((fd = _open_osfhandle((OPEN_OH_ARGTYPE)stdin_wr, |
| 993 _O_TEXT|_O_APPEND)) < 0) | |
| 1385 | 994 || ((csinfo[i].to_fp = _fdopen(fd, "w")) == NULL)) |
| 995 PERROR(_("cs_create_connection: fdopen for to_fp failed")); | |
| 1393 | 996 if (((fd = _open_osfhandle((OPEN_OH_ARGTYPE)stdout_rd, |
| 997 _O_TEXT|_O_RDONLY)) < 0) | |
| 1385 | 998 || ((csinfo[i].fr_fp = _fdopen(fd, "r")) == NULL)) |
| 999 PERROR(_("cs_create_connection: fdopen for fr_fp failed")); | |
| 1000 | |
| 1001 /* Close handles for file descriptors inherited by the cscope process */ | |
| 1002 CloseHandle(stdin_rd); | |
| 1003 CloseHandle(stdout_wr); | |
| 1004 | |
| 1005 #endif /* !UNIX */ | |
| 1006 | |
| 7 | 1007 return CSCOPE_SUCCESS; |
| 1008 } /* cs_create_connection */ | |
| 1009 | |
| 1010 | |
| 1011 /* | |
| 7009 | 1012 * Query cscope using command line interface. Parse the output and use tselect |
| 1013 * to allow choices. Like Nvi, creates a pipe to send to/from query/cscope. | |
| 7 | 1014 * |
| 1015 * returns TRUE if we jump to a tag or abort, FALSE if not. | |
| 1016 */ | |
| 1017 static int | |
|
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|
1018 cs_find(exarg_T *eap) |
| 7 | 1019 { |
| 1020 char *opt, *pat; | |
|
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|
1021 int i; |
| 7 | 1022 |
| 1023 if (cs_check_for_connections() == FALSE) | |
| 1024 { | |
|
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|
1025 (void)emsg(_("E567: no cscope connections")); |
| 7 | 1026 return FALSE; |
| 1027 } | |
| 1028 | |
| 1029 if ((opt = strtok((char *)NULL, (const char *)" ")) == NULL) | |
| 1030 { | |
| 1031 cs_usage_msg(Find); | |
| 1032 return FALSE; | |
| 1033 } | |
| 1034 | |
| 1035 pat = opt + strlen(opt) + 1; | |
| 1372 | 1036 if (pat >= (char *)eap->arg + eap_arg_len) |
| 7 | 1037 { |
| 1038 cs_usage_msg(Find); | |
| 1039 return FALSE; | |
| 1040 } | |
| 1041 | |
|
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1042 /* |
|
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1043 * Let's replace the NULs written by strtok() with spaces - we need the |
|
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|
1044 * spaces to correctly display the quickfix/location list window's title. |
|
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1045 */ |
|
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|
1046 for (i = 0; i < eap_arg_len; ++i) |
|
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1047 if (NUL == eap->arg[i]) |
|
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1048 eap->arg[i] = ' '; |
|
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|
1049 |
| 665 | 1050 return cs_find_common(opt, pat, eap->forceit, TRUE, |
|
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|
1051 eap->cmdidx == CMD_lcscope, *eap->cmdlinep); |
| 7 | 1052 } /* cs_find */ |
| 1053 | |
| 1054 | |
| 1055 /* | |
|
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|
1056 * Common code for cscope find, shared by cs_find() and ex_cstag(). |
| 7 | 1057 */ |
| 1058 static int | |
|
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1059 cs_find_common( |
|
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1060 char *opt, |
|
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1061 char *pat, |
|
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1062 int forceit, |
|
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1063 int verbose, |
|
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1064 int use_ll UNUSED, |
|
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1065 char_u *cmdline UNUSED) |
| 7 | 1066 { |
| 1067 int i; | |
| 1068 char *cmd; | |
| 1931 | 1069 int *nummatches; |
| 1070 int totmatches; | |
| 7 | 1071 #ifdef FEAT_QUICKFIX |
| 1072 char cmdletter; | |
| 1073 char *qfpos; | |
|
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1074 |
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1075 /* get cmd letter */ |
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1076 switch (opt[0]) |
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1077 { |
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1078 case '0' : |
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1079 cmdletter = 's'; |
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1080 break; |
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1081 case '1' : |
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1082 cmdletter = 'g'; |
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1083 break; |
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1084 case '2' : |
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1085 cmdletter = 'd'; |
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1086 break; |
|
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1087 case '3' : |
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1088 cmdletter = 'c'; |
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1089 break; |
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1090 case '4' : |
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1091 cmdletter = 't'; |
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1092 break; |
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1093 case '6' : |
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1094 cmdletter = 'e'; |
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1095 break; |
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1096 case '7' : |
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1097 cmdletter = 'f'; |
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1098 break; |
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1099 case '8' : |
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1100 cmdletter = 'i'; |
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1101 break; |
|
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1102 case '9' : |
|
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1103 cmdletter = 'a'; |
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1104 break; |
|
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1105 default : |
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1106 cmdletter = opt[0]; |
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1107 } |
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1108 |
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1109 qfpos = (char *)vim_strchr(p_csqf, cmdletter); |
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1110 if (qfpos != NULL) |
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1111 { |
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1112 qfpos++; |
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1113 /* next symbol must be + or - */ |
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1114 if (strchr(CSQF_FLAGS, *qfpos) == NULL) |
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1115 { |
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1116 char *nf = _("E469: invalid cscopequickfix flag %c for %c"); |
|
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1117 char *buf = alloc(strlen(nf)); |
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1118 |
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1119 /* strlen will be enough because we use chars */ |
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1120 if (buf != NULL) |
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1121 { |
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1122 sprintf(buf, nf, *qfpos, *(qfpos-1)); |
|
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1123 (void)emsg(buf); |
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1124 vim_free(buf); |
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1125 } |
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1126 return FALSE; |
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1127 } |
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1128 |
|
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1129 if (*qfpos != '0' |
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1130 && apply_autocmds(EVENT_QUICKFIXCMDPRE, (char_u *)"cscope", |
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1131 curbuf->b_fname, TRUE, curbuf)) |
|
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1132 { |
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1133 # ifdef FEAT_EVAL |
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1134 if (aborting()) |
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1135 return FALSE; |
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1136 # endif |
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1137 } |
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1138 } |
| 7 | 1139 #endif |
| 1140 | |
| 1141 /* create the actual command to send to cscope */ | |
| 1142 cmd = cs_create_cmd(opt, pat); | |
| 1143 if (cmd == NULL) | |
| 1144 return FALSE; | |
| 1145 | |
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1146 nummatches = ALLOC_MULT(int, csinfo_size); |
| 1931 | 1147 if (nummatches == NULL) |
| 7009 | 1148 { |
| 1149 vim_free(cmd); | |
| 1931 | 1150 return FALSE; |
| 7009 | 1151 } |
| 1931 | 1152 |
| 4352 | 1153 /* Send query to all open connections, then count the total number |
| 1154 * of matches so we can alloc all in one swell foop. */ | |
| 1931 | 1155 for (i = 0; i < csinfo_size; i++) |
| 7 | 1156 nummatches[i] = 0; |
| 1157 totmatches = 0; | |
| 1931 | 1158 for (i = 0; i < csinfo_size; i++) |
| 7 | 1159 { |
| 1040 | 1160 if (csinfo[i].fname == NULL || csinfo[i].to_fp == NULL) |
| 7 | 1161 continue; |
| 1162 | |
| 1163 /* send cmd to cscope */ | |
| 1164 (void)fprintf(csinfo[i].to_fp, "%s\n", cmd); | |
| 1165 (void)fflush(csinfo[i].to_fp); | |
| 1166 | |
| 1167 nummatches[i] = cs_cnt_matches(i); | |
| 1168 | |
| 1169 if (nummatches[i] > -1) | |
| 1170 totmatches += nummatches[i]; | |
| 1171 | |
| 1172 if (nummatches[i] == 0) | |
| 1173 (void)cs_read_prompt(i); | |
| 1174 } | |
| 1175 vim_free(cmd); | |
| 1176 | |
| 1177 if (totmatches == 0) | |
| 1178 { | |
| 1179 char *nf = _("E259: no matches found for cscope query %s of %s"); | |
| 1180 char *buf; | |
| 1181 | |
| 1182 if (!verbose) | |
| 1931 | 1183 { |
| 1184 vim_free(nummatches); | |
| 7 | 1185 return FALSE; |
| 1931 | 1186 } |
| 7 | 1187 |
|
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|
1188 buf = alloc(strlen(opt) + strlen(pat) + strlen(nf)); |
| 7 | 1189 if (buf == NULL) |
|
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changeset
|
1190 (void)emsg(nf); |
| 7 | 1191 else |
| 1192 { | |
| 1193 sprintf(buf, nf, opt, pat); | |
|
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changeset
|
1194 (void)emsg(buf); |
| 7 | 1195 vim_free(buf); |
| 1196 } | |
| 1931 | 1197 vim_free(nummatches); |
| 7 | 1198 return FALSE; |
| 1199 } | |
| 1200 | |
| 1201 #ifdef FEAT_QUICKFIX | |
| 36 | 1202 if (qfpos != NULL && *qfpos != '0' && totmatches > 0) |
| 7 | 1203 { |
| 1204 /* fill error list */ | |
| 1027 | 1205 FILE *f; |
| 6721 | 1206 char_u *tmp = vim_tempname('c', TRUE); |
| 665 | 1207 qf_info_T *qi = NULL; |
| 1208 win_T *wp = NULL; | |
| 7 | 1209 |
| 531 | 1210 f = mch_fopen((char *)tmp, "w"); |
| 1027 | 1211 if (f == NULL) |
|
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|
1212 semsg(_(e_notopen), tmp); |
| 1027 | 1213 else |
| 7 | 1214 { |
| 1027 | 1215 cs_file_results(f, nummatches); |
| 1216 fclose(f); | |
| 1217 if (use_ll) /* Use location list */ | |
| 1218 wp = curwin; | |
| 1219 /* '-' starts a new error list */ | |
| 1220 if (qf_init(wp, tmp, (char_u *)"%f%*\\t%l%*\\t%m", | |
|
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changeset
|
1221 *qfpos == '-', cmdline, NULL) > 0) |
| 1027 | 1222 { |
| 1223 if (postponed_split != 0) | |
| 1224 { | |
| 7009 | 1225 (void)win_split(postponed_split > 0 ? postponed_split : 0, |
| 7 | 1226 postponed_split_flags); |
| 2583 | 1227 RESET_BINDING(curwin); |
| 1027 | 1228 postponed_split = 0; |
| 1229 } | |
|
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|
1230 |
|
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changeset
|
1231 apply_autocmds(EVENT_QUICKFIXCMDPOST, (char_u *)"cscope", |
|
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diff
changeset
|
1232 curbuf->b_fname, TRUE, curbuf); |
| 1027 | 1233 if (use_ll) |
| 1234 /* | |
| 1235 * In the location list window, use the displayed location | |
| 1236 * list. Otherwise, use the location list for the window. | |
| 1237 */ | |
| 1238 qi = (bt_quickfix(wp->w_buffer) && wp->w_llist_ref != NULL) | |
| 1239 ? wp->w_llist_ref : wp->w_llist; | |
| 1240 qf_jump(qi, 0, 0, forceit); | |
| 1241 } | |
| 7 | 1242 } |
| 1243 mch_remove(tmp); | |
| 1244 vim_free(tmp); | |
| 1931 | 1245 vim_free(nummatches); |
| 7 | 1246 return TRUE; |
| 1247 } | |
| 1248 else | |
| 1249 #endif /* FEAT_QUICKFIX */ | |
| 1250 { | |
| 944 | 1251 char **matches = NULL, **contexts = NULL; |
| 1252 int matched = 0; | |
| 1253 | |
| 7 | 1254 /* read output */ |
| 1255 cs_fill_results((char *)pat, totmatches, nummatches, &matches, | |
| 1256 &contexts, &matched); | |
| 1931 | 1257 vim_free(nummatches); |
| 7 | 1258 if (matches == NULL) |
| 1259 return FALSE; | |
| 1260 | |
| 293 | 1261 (void)cs_manage_matches(matches, contexts, matched, Store); |
| 7 | 1262 |
| 1263 return do_tag((char_u *)pat, DT_CSCOPE, 0, forceit, verbose); | |
| 1264 } | |
| 1265 | |
| 1266 } /* cs_find_common */ | |
| 1267 | |
| 1268 /* | |
|
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|
1269 * Print help. |
| 7 | 1270 */ |
| 1271 static int | |
|
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|
1272 cs_help(exarg_T *eap UNUSED) |
| 7 | 1273 { |
| 1274 cscmd_T *cmdp = cs_cmds; | |
| 1275 | |
|
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changeset
|
1276 (void)msg_puts(_("cscope commands:\n")); |
| 7 | 1277 while (cmdp->name != NULL) |
| 1278 { | |
| 1793 | 1279 char *help = _(cmdp->help); |
| 1280 int space_cnt = 30 - vim_strsize((char_u *)help); | |
| 1281 | |
| 1282 /* Use %*s rather than %30s to ensure proper alignment in utf-8 */ | |
| 1283 if (space_cnt < 0) | |
| 1284 space_cnt = 0; | |
|
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changeset
|
1285 (void)smsg(_("%-5s: %s%*s (Usage: %s)"), |
| 1793 | 1286 cmdp->name, |
| 1287 help, space_cnt, " ", | |
| 1288 cmdp->usage); | |
| 7 | 1289 if (strcmp(cmdp->name, "find") == 0) |
|
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|
1290 msg_puts(_("\n" |
|
9418
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diff
changeset
|
1291 " a: Find assignments to this symbol\n" |
| 1706 | 1292 " c: Find functions calling this function\n" |
| 1293 " d: Find functions called by this function\n" | |
| 1294 " e: Find this egrep pattern\n" | |
| 1295 " f: Find this file\n" | |
| 1296 " g: Find this definition\n" | |
| 1297 " i: Find files #including this file\n" | |
| 1298 " s: Find this C symbol\n" | |
|
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diff
changeset
|
1299 " t: Find this text string\n")); |
| 1706 | 1300 |
| 7 | 1301 cmdp++; |
| 1302 } | |
| 1303 | |
| 1304 wait_return(TRUE); | |
| 1305 return 0; | |
| 1306 } /* cs_help */ | |
| 1307 | |
| 1308 | |
| 1309 static void | |
|
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changeset
|
1310 clear_csinfo(int i) |
| 7 | 1311 { |
| 1312 csinfo[i].fname = NULL; | |
| 1313 csinfo[i].ppath = NULL; | |
| 1314 csinfo[i].flags = NULL; | |
| 1315 #if defined(UNIX) | |
| 1316 csinfo[i].st_dev = (dev_t)0; | |
| 1317 csinfo[i].st_ino = (ino_t)0; | |
| 1318 #else | |
| 1319 csinfo[i].nVolume = 0; | |
| 1320 csinfo[i].nIndexHigh = 0; | |
| 1321 csinfo[i].nIndexLow = 0; | |
| 1322 #endif | |
| 1621 | 1323 csinfo[i].pid = 0; |
| 7 | 1324 csinfo[i].fr_fp = NULL; |
| 1325 csinfo[i].to_fp = NULL; | |
|
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|
1326 #if defined(MSWIN) |
| 301 | 1327 csinfo[i].hProc = NULL; |
| 1328 #endif | |
| 7 | 1329 } |
| 1330 | |
| 1331 #ifndef UNIX | |
| 1332 static char * | |
|
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|
1333 GetWin32Error(void) |
| 7 | 1334 { |
| 1335 char *msg = NULL; | |
| 1336 FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER|FORMAT_MESSAGE_FROM_SYSTEM, | |
| 1337 NULL, GetLastError(), 0, (LPSTR)&msg, 0, NULL); | |
| 1338 if (msg != NULL) | |
| 1339 { | |
| 1340 /* remove trailing \r\n */ | |
| 1341 char *pcrlf = strstr(msg, "\r\n"); | |
| 1342 if (pcrlf != NULL) | |
| 1343 *pcrlf = '\0'; | |
| 1344 } | |
| 1345 return msg; | |
| 1346 } | |
| 1347 #endif | |
| 323 | 1348 |
| 7 | 1349 /* |
|
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|
1350 * Insert a new cscope database filename into the filelist. |
| 7 | 1351 */ |
| 1352 static int | |
|
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|
1353 cs_insert_filelist( |
|
bcef391c101c
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|
1354 char *fname, |
|
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|
1355 char *ppath, |
|
bcef391c101c
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|
1356 char *flags, |
|
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changeset
|
1357 stat_T *sb UNUSED) |
| 7 | 1358 { |
| 1359 short i, j; | |
| 1360 #ifndef UNIX | |
| 1361 BY_HANDLE_FILE_INFORMATION bhfi; | |
| 1362 | |
|
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|
1363 switch (win32_fileinfo((char_u *)fname, &bhfi)) |
| 7 | 1364 { |
| 2793 | 1365 case FILEINFO_ENC_FAIL: /* enc_to_utf16() failed */ |
| 1366 case FILEINFO_READ_FAIL: /* CreateFile() failed */ | |
| 7 | 1367 if (p_csverbose) |
| 1368 { | |
| 1369 char *cant_msg = _("E625: cannot open cscope database: %s"); | |
| 1370 char *winmsg = GetWin32Error(); | |
| 1371 | |
| 1372 if (winmsg != NULL) | |
| 1373 { | |
|
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|
1374 (void)semsg(cant_msg, winmsg); |
| 7 | 1375 LocalFree(winmsg); |
| 1376 } | |
| 1377 else | |
| 1378 /* subst filename if can't get error text */ | |
|
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|
1379 (void)semsg(cant_msg, fname); |
| 7 | 1380 } |
| 1381 return -1; | |
| 2793 | 1382 |
| 1383 case FILEINFO_INFO_FAIL: /* GetFileInformationByHandle() failed */ | |
| 7 | 1384 if (p_csverbose) |
|
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|
1385 (void)emsg(_("E626: cannot get cscope database information")); |
| 7 | 1386 return -1; |
| 1387 } | |
| 1388 #endif | |
| 1389 | |
| 1390 i = -1; /* can be set to the index of an empty item in csinfo */ | |
| 1931 | 1391 for (j = 0; j < csinfo_size; j++) |
| 7 | 1392 { |
| 1393 if (csinfo[j].fname != NULL | |
| 1394 #if defined(UNIX) | |
| 1395 && csinfo[j].st_dev == sb->st_dev && csinfo[j].st_ino == sb->st_ino | |
| 1396 #else | |
|
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|
1397 // compare pathnames first |
|
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diff
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|
1398 && ((fullpathcmp((char_u *)csinfo[j].fname, |
|
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|
1399 (char_u *)fname, FALSE, TRUE) & FPC_SAME) |
|
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changeset
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1400 // test index file attributes too |
|
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diff
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|
1401 || (csinfo[j].nVolume == bhfi.dwVolumeSerialNumber |
| 7 | 1402 && csinfo[j].nIndexHigh == bhfi.nFileIndexHigh |
| 1403 && csinfo[j].nIndexLow == bhfi.nFileIndexLow)) | |
| 1404 #endif | |
| 1405 ) | |
| 1406 { | |
| 1407 if (p_csverbose) | |
|
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changeset
|
1408 (void)emsg(_("E568: duplicate cscope database not added")); |
| 7 | 1409 return -1; |
| 1410 } | |
| 1411 | |
| 1412 if (csinfo[j].fname == NULL && i == -1) | |
| 1413 i = j; /* remember first empty entry */ | |
| 1414 } | |
| 1415 | |
| 1416 if (i == -1) | |
| 1417 { | |
| 1931 | 1418 i = csinfo_size; |
| 1419 if (csinfo_size == 0) | |
| 1420 { | |
| 1421 /* First time allocation: allocate only 1 connection. It should | |
| 1422 * be enough for most users. If more is needed, csinfo will be | |
| 1423 * reallocated. */ | |
| 1424 csinfo_size = 1; | |
|
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changeset
|
1425 csinfo = ALLOC_CLEAR_ONE(csinfo_T); |
| 1931 | 1426 } |
| 1427 else | |
| 1428 { | |
| 6596 | 1429 csinfo_T *t_csinfo = csinfo; |
| 1430 | |
| 1931 | 1431 /* Reallocate space for more connections. */ |
| 1432 csinfo_size *= 2; | |
| 1433 csinfo = vim_realloc(csinfo, sizeof(csinfo_T)*csinfo_size); | |
| 6596 | 1434 if (csinfo == NULL) |
| 1435 { | |
| 1436 vim_free(t_csinfo); | |
| 1437 csinfo_size = 0; | |
| 1438 } | |
| 1931 | 1439 } |
| 1440 if (csinfo == NULL) | |
| 1441 return -1; | |
| 1442 for (j = csinfo_size/2; j < csinfo_size; j++) | |
| 1443 clear_csinfo(j); | |
| 7 | 1444 } |
| 1445 | |
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changeset
|
1446 if ((csinfo[i].fname = alloc(strlen(fname)+1)) == NULL) |
| 7 | 1447 return -1; |
| 1448 | |
| 1449 (void)strcpy(csinfo[i].fname, (const char *)fname); | |
| 1450 | |
| 1451 if (ppath != NULL) | |
| 1452 { | |
|
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changeset
|
1453 if ((csinfo[i].ppath = alloc(strlen(ppath) + 1)) == NULL) |
| 7 | 1454 { |
|
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changeset
|
1455 VIM_CLEAR(csinfo[i].fname); |
| 7 | 1456 return -1; |
| 1457 } | |
| 1458 (void)strcpy(csinfo[i].ppath, (const char *)ppath); | |
| 1459 } else | |
| 1460 csinfo[i].ppath = NULL; | |
| 1461 | |
| 1462 if (flags != NULL) | |
| 1463 { | |
|
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|
1464 if ((csinfo[i].flags = alloc(strlen(flags) + 1)) == NULL) |
| 7 | 1465 { |
|
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1466 VIM_CLEAR(csinfo[i].fname); |
|
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changeset
|
1467 VIM_CLEAR(csinfo[i].ppath); |
| 7 | 1468 return -1; |
| 1469 } | |
| 1470 (void)strcpy(csinfo[i].flags, (const char *)flags); | |
| 1471 } else | |
| 1472 csinfo[i].flags = NULL; | |
| 1473 | |
| 1474 #if defined(UNIX) | |
| 1475 csinfo[i].st_dev = sb->st_dev; | |
| 1476 csinfo[i].st_ino = sb->st_ino; | |
| 1477 | |
| 1478 #else | |
| 1479 csinfo[i].nVolume = bhfi.dwVolumeSerialNumber; | |
| 1480 csinfo[i].nIndexLow = bhfi.nFileIndexLow; | |
| 1481 csinfo[i].nIndexHigh = bhfi.nFileIndexHigh; | |
| 1482 #endif | |
| 1483 return i; | |
| 1484 } /* cs_insert_filelist */ | |
| 1485 | |
| 1486 | |
| 1487 /* | |
|
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|
1488 * Find cscope command in command table. |
| 7 | 1489 */ |
| 1490 static cscmd_T * | |
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diff
changeset
|
1491 cs_lookup_cmd(exarg_T *eap) |
| 7 | 1492 { |
| 1493 cscmd_T *cmdp; | |
| 1494 char *stok; | |
| 1495 size_t len; | |
| 1496 | |
| 1497 if (eap->arg == NULL) | |
| 1498 return NULL; | |
| 1499 | |
| 1372 | 1500 /* Store length of eap->arg before it gets modified by strtok(). */ |
| 1570 | 1501 eap_arg_len = (int)STRLEN(eap->arg); |
| 1372 | 1502 |
| 7 | 1503 if ((stok = strtok((char *)(eap->arg), (const char *)" ")) == NULL) |
| 1504 return NULL; | |
| 1505 | |
| 1506 len = strlen(stok); | |
| 1507 for (cmdp = cs_cmds; cmdp->name != NULL; ++cmdp) | |
| 1508 { | |
| 1509 if (strncmp((const char *)(stok), cmdp->name, len) == 0) | |
| 1510 return (cmdp); | |
| 1511 } | |
| 1512 return NULL; | |
| 1513 } /* cs_lookup_cmd */ | |
| 1514 | |
| 1515 | |
| 1516 /* | |
|
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1517 * Nuke em. |
| 7 | 1518 */ |
| 1519 static int | |
|
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|
1520 cs_kill(exarg_T *eap UNUSED) |
| 7 | 1521 { |
| 1522 char *stok; | |
| 1523 short i; | |
| 1524 | |
| 1525 if ((stok = strtok((char *)NULL, (const char *)" ")) == NULL) | |
| 1526 { | |
| 1527 cs_usage_msg(Kill); | |
| 1528 return CSCOPE_FAILURE; | |
| 1529 } | |
| 1530 | |
| 1531 /* only single digit positive and negative integers are allowed */ | |
| 1532 if ((strlen(stok) < 2 && VIM_ISDIGIT((int)(stok[0]))) | |
| 1533 || (strlen(stok) < 3 && stok[0] == '-' | |
| 1534 && VIM_ISDIGIT((int)(stok[1])))) | |
| 1535 i = atoi(stok); | |
| 1536 else | |
| 1537 { | |
| 1538 /* It must be part of a name. We will try to find a match | |
| 1539 * within all the names in the csinfo data structure | |
| 1540 */ | |
| 1931 | 1541 for (i = 0; i < csinfo_size; i++) |
| 7 | 1542 { |
| 1543 if (csinfo[i].fname != NULL && strstr(csinfo[i].fname, stok)) | |
| 1544 break; | |
| 1545 } | |
| 1546 } | |
| 1547 | |
| 1931 | 1548 if ((i != -1) && (i >= csinfo_size || i < -1 || csinfo[i].fname == NULL)) |
| 7 | 1549 { |
| 1550 if (p_csverbose) | |
|
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1551 (void)semsg(_("E261: cscope connection %s not found"), stok); |
| 7 | 1552 } |
| 1553 else | |
| 1554 { | |
| 1555 if (i == -1) | |
| 1556 { | |
| 1931 | 1557 for (i = 0; i < csinfo_size; i++) |
| 7 | 1558 { |
| 1559 if (csinfo[i].fname) | |
| 1560 cs_kill_execute(i, csinfo[i].fname); | |
| 1561 } | |
| 1562 } | |
| 1563 else | |
| 1564 cs_kill_execute(i, stok); | |
| 1565 } | |
| 1566 | |
| 1567 return 0; | |
| 1568 } /* cs_kill */ | |
| 1569 | |
| 1570 | |
| 1571 /* | |
| 1572 * Actually kills a specific cscope connection. | |
| 1573 */ | |
| 1574 static void | |
|
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1575 cs_kill_execute( |
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1576 int i, /* cscope table index */ |
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1577 char *cname) /* cscope database name */ |
| 7 | 1578 { |
| 1579 if (p_csverbose) | |
| 1580 { | |
| 1581 msg_clr_eos(); | |
|
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1582 (void)smsg_attr(HL_ATTR(HLF_R) | MSG_HIST, |
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1583 _("cscope connection %s closed"), cname); |
| 7 | 1584 } |
| 1585 cs_release_csp(i, TRUE); | |
| 1586 } | |
| 1587 | |
| 1588 | |
| 1589 /* | |
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1590 * Convert the cscope output into a ctags style entry (as might be found |
| 7 | 1591 * in a ctags tags file). there's one catch though: cscope doesn't tell you |
| 1592 * the type of the tag you are looking for. for example, in Darren Hiebert's | |
| 1593 * ctags (the one that comes with vim), #define's use a line number to find the | |
| 1594 * tag in a file while function definitions use a regexp search pattern. | |
| 1595 * | |
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1596 * I'm going to always use the line number because cscope does something |
| 7 | 1597 * quirky (and probably other things i don't know about): |
| 1598 * | |
| 1599 * if you have "# define" in your source file, which is | |
| 1600 * perfectly legal, cscope thinks you have "#define". this | |
| 1601 * will result in a failed regexp search. :( | |
| 1602 * | |
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1603 * Besides, even if this particular case didn't happen, the search pattern |
| 7 | 1604 * would still have to be modified to escape all the special regular expression |
| 1605 * characters to comply with ctags formatting. | |
| 1606 */ | |
| 1607 static char * | |
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1608 cs_make_vim_style_matches( |
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1609 char *fname, |
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1610 char *slno, |
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1611 char *search, |
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1612 char *tagstr) |
| 7 | 1613 { |
| 1614 /* vim style is ctags: | |
| 1615 * | |
| 1616 * <tagstr>\t<filename>\t<linenum_or_search>"\t<extra> | |
| 1617 * | |
| 1618 * but as mentioned above, we'll always use the line number and | |
| 1619 * put the search pattern (if one exists) as "extra" | |
| 1620 * | |
| 1621 * buf is used as part of vim's method of handling tags, and | |
| 1622 * (i think) vim frees it when you pop your tags and get replaced | |
| 1623 * by new ones on the tag stack. | |
| 1624 */ | |
| 1625 char *buf; | |
| 1626 int amt; | |
| 1627 | |
| 1628 if (search != NULL) | |
| 1629 { | |
| 835 | 1630 amt = (int)(strlen(fname) + strlen(slno) + strlen(tagstr) + strlen(search)+6); |
|
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1631 if ((buf = alloc(amt)) == NULL) |
| 7 | 1632 return NULL; |
| 1633 | |
| 1634 (void)sprintf(buf, "%s\t%s\t%s;\"\t%s", tagstr, fname, slno, search); | |
| 1635 } | |
| 1636 else | |
| 1637 { | |
| 835 | 1638 amt = (int)(strlen(fname) + strlen(slno) + strlen(tagstr) + 5); |
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1639 if ((buf = alloc(amt)) == NULL) |
| 7 | 1640 return NULL; |
| 1641 | |
| 1642 (void)sprintf(buf, "%s\t%s\t%s;\"", tagstr, fname, slno); | |
| 1643 } | |
| 1644 | |
| 1645 return buf; | |
| 1646 } /* cs_make_vim_style_matches */ | |
| 1647 | |
| 1648 | |
| 1649 /* | |
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1650 * This is kind of hokey, but i don't see an easy way round this. |
| 7 | 1651 * |
| 1652 * Store: keep a ptr to the (malloc'd) memory of matches originally | |
| 1653 * generated from cs_find(). the matches are originally lines directly | |
| 1654 * from cscope output, but transformed to look like something out of a | |
| 1655 * ctags. see cs_make_vim_style_matches for more details. | |
| 1656 * | |
| 1657 * Get: used only from cs_fgets(), this simulates a vim_fgets() to return | |
| 1658 * the next line from the cscope output. it basically keeps track of which | |
| 1659 * lines have been "used" and returns the next one. | |
| 1660 * | |
| 1661 * Free: frees up everything and resets | |
| 1662 * | |
| 1663 * Print: prints the tags | |
| 1664 */ | |
| 1665 static char * | |
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1666 cs_manage_matches( |
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1667 char **matches, |
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1668 char **contexts, |
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1669 int totmatches, |
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1670 mcmd_e cmd) |
| 7 | 1671 { |
| 1672 static char **mp = NULL; | |
| 1673 static char **cp = NULL; | |
| 1674 static int cnt = -1; | |
| 1675 static int next = -1; | |
| 1676 char *p = NULL; | |
| 1677 | |
| 1678 switch (cmd) | |
| 1679 { | |
| 1680 case Store: | |
| 1681 assert(matches != NULL); | |
| 1682 assert(totmatches > 0); | |
| 1683 if (mp != NULL || cp != NULL) | |
| 1684 (void)cs_manage_matches(NULL, NULL, -1, Free); | |
| 1685 mp = matches; | |
| 1686 cp = contexts; | |
| 1687 cnt = totmatches; | |
| 1688 next = 0; | |
| 1689 break; | |
| 1690 case Get: | |
| 1691 if (next >= cnt) | |
| 1692 return NULL; | |
| 1693 | |
| 1694 p = mp[next]; | |
| 1695 next++; | |
| 1696 break; | |
| 1697 case Free: | |
| 1698 if (mp != NULL) | |
| 1699 { | |
| 1700 if (cnt > 0) | |
| 1701 while (cnt--) | |
| 1702 { | |
| 1703 vim_free(mp[cnt]); | |
| 1704 if (cp != NULL) | |
| 1705 vim_free(cp[cnt]); | |
| 1706 } | |
| 1707 vim_free(mp); | |
| 1708 vim_free(cp); | |
| 1709 } | |
| 1710 mp = NULL; | |
| 1711 cp = NULL; | |
| 1712 cnt = 0; | |
| 1713 next = 0; | |
| 1714 break; | |
| 1715 case Print: | |
| 1716 cs_print_tags_priv(mp, cp, cnt); | |
| 1717 break; | |
| 1718 default: /* should not reach here */ | |
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1719 iemsg(_("E570: fatal error in cs_manage_matches")); |
| 7 | 1720 return NULL; |
| 1721 } | |
| 1722 | |
| 1723 return p; | |
| 1724 } /* cs_manage_matches */ | |
| 1725 | |
| 1726 | |
| 1727 /* | |
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1728 * Parse cscope output. |
| 7 | 1729 */ |
| 1730 static char * | |
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1731 cs_parse_results( |
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1732 int cnumber, |
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1733 char *buf, |
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1734 int bufsize, |
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1735 char **context, |
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1736 char **linenumber, |
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1737 char **search) |
| 7 | 1738 { |
| 1739 int ch; | |
| 1740 char *p; | |
| 1741 char *name; | |
| 1742 | |
| 1743 if (fgets(buf, bufsize, csinfo[cnumber].fr_fp) == NULL) | |
| 1744 { | |
| 1745 if (feof(csinfo[cnumber].fr_fp)) | |
| 1746 errno = EIO; | |
| 1747 | |
| 1748 cs_reading_emsg(cnumber); | |
| 1749 | |
| 1750 return NULL; | |
| 1751 } | |
| 1752 | |
| 1753 /* If the line's too long for the buffer, discard it. */ | |
| 1754 if ((p = strchr(buf, '\n')) == NULL) | |
| 1755 { | |
| 1756 while ((ch = getc(csinfo[cnumber].fr_fp)) != EOF && ch != '\n') | |
| 1757 ; | |
| 1758 return NULL; | |
| 1759 } | |
| 1760 *p = '\0'; | |
| 1761 | |
| 1762 /* | |
| 1763 * cscope output is in the following format: | |
| 1764 * | |
| 1765 * <filename> <context> <line number> <pattern> | |
| 1766 */ | |
| 1767 if ((name = strtok((char *)buf, (const char *)" ")) == NULL) | |
| 1768 return NULL; | |
| 1769 if ((*context = strtok(NULL, (const char *)" ")) == NULL) | |
| 1770 return NULL; | |
| 1771 if ((*linenumber = strtok(NULL, (const char *)" ")) == NULL) | |
| 1772 return NULL; | |
| 1773 *search = *linenumber + strlen(*linenumber) + 1; /* +1 to skip \0 */ | |
| 1774 | |
| 1775 /* --- nvi --- | |
| 1776 * If the file is older than the cscope database, that is, | |
| 1777 * the database was built since the file was last modified, | |
| 1778 * or there wasn't a search string, use the line number. | |
| 1779 */ | |
| 1780 if (strcmp(*search, "<unknown>") == 0) | |
| 1781 *search = NULL; | |
| 1782 | |
| 1783 name = cs_resolve_file(cnumber, name); | |
| 1784 return name; | |
| 1785 } | |
| 1786 | |
| 636 | 1787 #ifdef FEAT_QUICKFIX |
| 7 | 1788 /* |
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1789 * Write cscope find results to file. |
| 7 | 1790 */ |
| 1791 static void | |
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1792 cs_file_results(FILE *f, int *nummatches_a) |
| 7 | 1793 { |
| 1794 int i, j; | |
| 1795 char *buf; | |
| 1796 char *search, *slno; | |
| 1797 char *fullname; | |
| 1798 char *cntx; | |
| 1799 char *context; | |
| 1800 | |
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1801 buf = alloc(CSREAD_BUFSIZE); |
| 7 | 1802 if (buf == NULL) |
| 1803 return; | |
| 1804 | |
| 1931 | 1805 for (i = 0; i < csinfo_size; i++) |
| 7 | 1806 { |
| 1807 if (nummatches_a[i] < 1) | |
| 1808 continue; | |
| 1809 | |
| 1810 for (j = 0; j < nummatches_a[i]; j++) | |
| 1811 { | |
| 293 | 1812 if ((fullname = cs_parse_results(i, buf, CSREAD_BUFSIZE, &cntx, |
| 1813 &slno, &search)) == NULL) | |
| 7 | 1814 continue; |
| 1815 | |
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1816 context = alloc(strlen(cntx)+5); |
| 1027 | 1817 if (context == NULL) |
| 7 | 1818 continue; |
| 1819 | |
| 1820 if (strcmp(cntx, "<global>")==0) | |
| 1821 strcpy(context, "<<global>>"); | |
| 1822 else | |
| 1823 sprintf(context, "<<%s>>", cntx); | |
| 1824 | |
| 1027 | 1825 if (search == NULL) |
| 7 | 1826 fprintf(f, "%s\t%s\t%s\n", fullname, slno, context); |
| 1827 else | |
| 1828 fprintf(f, "%s\t%s\t%s %s\n", fullname, slno, context, search); | |
| 1829 | |
| 1830 vim_free(context); | |
| 1831 vim_free(fullname); | |
| 1832 } /* for all matches */ | |
| 1833 | |
| 1834 (void)cs_read_prompt(i); | |
| 1835 | |
| 1836 } /* for all cscope connections */ | |
| 1837 vim_free(buf); | |
| 1838 } | |
| 636 | 1839 #endif |
| 7 | 1840 |
| 1841 /* | |
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1842 * Get parsed cscope output and calls cs_make_vim_style_matches to convert |
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1843 * into ctags format. |
| 297 | 1844 * When there are no matches sets "*matches_p" to NULL. |
| 7 | 1845 */ |
| 1846 static void | |
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1847 cs_fill_results( |
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1848 char *tagstr, |
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commit https://github.com/vim/vim/commit/68c2f638e65d914dc6e84eb7ce2624f08af525c0
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1849 int totmatches, |
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1850 int *nummatches_a, |
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1851 char ***matches_p, |
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1852 char ***cntxts_p, |
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1853 int *matched) |
| 7 | 1854 { |
| 1855 int i, j; | |
| 1856 char *buf; | |
| 1857 char *search, *slno; | |
| 1858 int totsofar = 0; | |
| 1859 char **matches = NULL; | |
| 1860 char **cntxts = NULL; | |
| 1861 char *fullname; | |
| 1862 char *cntx; | |
| 1863 | |
| 1864 assert(totmatches > 0); | |
| 1865 | |
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1866 buf = alloc(CSREAD_BUFSIZE); |
| 7 | 1867 if (buf == NULL) |
| 1868 return; | |
| 1869 | |
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1870 if ((matches = ALLOC_MULT(char *, totmatches)) == NULL) |
| 7 | 1871 goto parse_out; |
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1872 if ((cntxts = ALLOC_MULT(char *, totmatches)) == NULL) |
| 7 | 1873 goto parse_out; |
| 1874 | |
| 1931 | 1875 for (i = 0; i < csinfo_size; i++) |
| 7 | 1876 { |
| 1877 if (nummatches_a[i] < 1) | |
| 1878 continue; | |
| 1879 | |
| 1880 for (j = 0; j < nummatches_a[i]; j++) | |
| 1881 { | |
| 1882 if ((fullname = cs_parse_results(i, buf, CSREAD_BUFSIZE, &cntx, | |
| 1883 &slno, &search)) == NULL) | |
| 1884 continue; | |
| 1885 | |
| 1886 matches[totsofar] = cs_make_vim_style_matches(fullname, slno, | |
| 1887 search, tagstr); | |
| 1888 | |
| 1889 vim_free(fullname); | |
| 1890 | |
| 1891 if (strcmp(cntx, "<global>") == 0) | |
| 1892 cntxts[totsofar] = NULL; | |
| 1893 else | |
| 1894 /* note: if vim_strsave returns NULL, then the context | |
| 1895 * will be "<global>", which is misleading. | |
| 1896 */ | |
| 1897 cntxts[totsofar] = (char *)vim_strsave((char_u *)cntx); | |
| 1898 | |
| 1899 if (matches[totsofar] != NULL) | |
| 1900 totsofar++; | |
| 1901 | |
| 1902 } /* for all matches */ | |
| 1903 | |
| 1904 (void)cs_read_prompt(i); | |
| 1905 | |
| 1906 } /* for all cscope connections */ | |
| 1907 | |
| 1908 parse_out: | |
| 297 | 1909 if (totsofar == 0) |
| 1910 { | |
| 1911 /* No matches, free the arrays and return NULL in "*matches_p". */ | |
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1912 VIM_CLEAR(matches); |
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1913 VIM_CLEAR(cntxts); |
| 297 | 1914 } |
| 7 | 1915 *matched = totsofar; |
| 1916 *matches_p = matches; | |
| 1917 *cntxts_p = cntxts; | |
| 297 | 1918 |
| 7 | 1919 vim_free(buf); |
| 1920 } /* cs_fill_results */ | |
| 1921 | |
| 1922 | |
| 1923 /* get the requested path components */ | |
| 1924 static char * | |
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1925 cs_pathcomponents(char *path) |
| 7 | 1926 { |
| 1927 int i; | |
| 1928 char *s; | |
| 1929 | |
| 1930 if (p_cspc == 0) | |
| 1931 return path; | |
| 1932 | |
| 1933 s = path + strlen(path) - 1; | |
| 1934 for (i = 0; i < p_cspc; ++i) | |
| 1935 while (s > path && *--s != '/' | |
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1936 #ifdef MSWIN |
| 7 | 1937 && *--s != '\\' |
| 1938 #endif | |
| 1939 ) | |
| 1940 ; | |
| 1941 if ((s > path && *s == '/') | |
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1942 #ifdef MSWIN |
| 7 | 1943 || (s > path && *s == '\\') |
| 1944 #endif | |
| 1945 ) | |
| 1946 ++s; | |
| 1947 return s; | |
| 1948 } | |
| 1949 | |
| 1950 /* | |
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1951 * Called from cs_manage_matches(). |
| 7 | 1952 */ |
| 1953 static void | |
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1954 cs_print_tags_priv(char **matches, char **cntxts, int num_matches) |
| 7 | 1955 { |
| 1956 char *buf = NULL; | |
| 6596 | 1957 char *t_buf; |
| 7 | 1958 int bufsize = 0; /* Track available bufsize */ |
| 1959 int newsize = 0; | |
| 1960 char *ptag; | |
| 1961 char *fname, *lno, *extra, *tbuf; | |
| 1962 int i, idx, num; | |
| 1963 char *globalcntx = "GLOBAL"; | |
| 1964 char *cntxformat = " <<%s>>"; | |
| 1965 char *context; | |
| 1966 char *cstag_msg = _("Cscope tag: %s"); | |
| 1967 char *csfmt_str = "%4d %6s "; | |
| 1968 | |
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1969 assert(num_matches > 0); |
| 7 | 1970 |
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1971 if ((tbuf = alloc(strlen(matches[0]) + 1)) == NULL) |
| 7 | 1972 return; |
| 1973 | |
| 1974 strcpy(tbuf, matches[0]); | |
| 1975 ptag = strtok(tbuf, "\t"); | |
| 7009 | 1976 if (ptag == NULL) |
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1977 { |
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1978 vim_free(tbuf); |
| 7009 | 1979 return; |
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1980 } |
| 7 | 1981 |
| 835 | 1982 newsize = (int)(strlen(cstag_msg) + strlen(ptag)); |
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1983 buf = alloc(newsize); |
| 7 | 1984 if (buf != NULL) |
| 1985 { | |
| 1986 bufsize = newsize; | |
| 1987 (void)sprintf(buf, cstag_msg, ptag); | |
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1988 msg_puts_attr(buf, HL_ATTR(HLF_T)); |
| 7 | 1989 } |
| 1990 | |
| 1991 vim_free(tbuf); | |
| 1992 | |
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1993 msg_puts_attr(_("\n # line"), HL_ATTR(HLF_T)); /* strlen is 7 */ |
| 7 | 1994 msg_advance(msg_col + 2); |
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1995 msg_puts_attr(_("filename / context / line\n"), HL_ATTR(HLF_T)); |
| 7 | 1996 |
| 1997 num = 1; | |
| 1998 for (i = 0; i < num_matches; i++) | |
| 1999 { | |
| 2000 idx = i; | |
| 2001 | |
| 2002 /* if we really wanted to, we could avoid this malloc and strcpy | |
| 2003 * by parsing matches[i] on the fly and placing stuff into buf | |
| 2004 * directly, but that's too much of a hassle | |
| 2005 */ | |
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2006 if ((tbuf = alloc(strlen(matches[idx]) + 1)) == NULL) |
| 7 | 2007 continue; |
| 2008 (void)strcpy(tbuf, matches[idx]); | |
| 2009 | |
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2010 if (strtok(tbuf, (const char *)"\t") == NULL |
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2011 || (fname = strtok(NULL, (const char *)"\t")) == NULL |
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2012 || (lno = strtok(NULL, (const char *)"\t")) == NULL) |
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2013 { |
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2014 vim_free(tbuf); |
| 7 | 2015 continue; |
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2016 } |
| 1078 | 2017 extra = strtok(NULL, (const char *)"\t"); |
| 7 | 2018 |
| 2019 lno[strlen(lno)-2] = '\0'; /* ignore ;" at the end */ | |
| 2020 | |
| 2021 /* hopefully 'num' (num of matches) will be less than 10^16 */ | |
| 835 | 2022 newsize = (int)(strlen(csfmt_str) + 16 + strlen(lno)); |
| 7 | 2023 if (bufsize < newsize) |
| 2024 { | |
| 6596 | 2025 t_buf = buf; |
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2026 buf = vim_realloc(buf, newsize); |
| 7 | 2027 if (buf == NULL) |
| 6596 | 2028 { |
| 7 | 2029 bufsize = 0; |
| 6596 | 2030 vim_free(t_buf); |
| 2031 } | |
| 7 | 2032 else |
| 2033 bufsize = newsize; | |
| 2034 } | |
| 2035 if (buf != NULL) | |
| 2036 { | |
| 2037 /* csfmt_str = "%4d %6s "; */ | |
| 2038 (void)sprintf(buf, csfmt_str, num, lno); | |
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2039 msg_puts_attr(buf, HL_ATTR(HLF_CM)); |
| 7 | 2040 } |
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2041 msg_outtrans_long_attr((char_u *)cs_pathcomponents(fname), |
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2042 HL_ATTR(HLF_CM)); |
| 7 | 2043 |
| 2044 /* compute the required space for the context */ | |
| 2045 if (cntxts[idx] != NULL) | |
| 2046 context = cntxts[idx]; | |
| 2047 else | |
| 2048 context = globalcntx; | |
| 835 | 2049 newsize = (int)(strlen(context) + strlen(cntxformat)); |
| 7 | 2050 |
| 2051 if (bufsize < newsize) | |
| 2052 { | |
| 6596 | 2053 t_buf = buf; |
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|
2054 buf = vim_realloc(buf, newsize); |
| 7 | 2055 if (buf == NULL) |
| 6596 | 2056 { |
| 7 | 2057 bufsize = 0; |
| 6596 | 2058 vim_free(t_buf); |
| 2059 } | |
| 7 | 2060 else |
| 2061 bufsize = newsize; | |
| 2062 } | |
| 2063 if (buf != NULL) | |
| 2064 { | |
| 2065 (void)sprintf(buf, cntxformat, context); | |
| 2066 | |
| 2067 /* print the context only if it fits on the same line */ | |
| 2068 if (msg_col + (int)strlen(buf) >= (int)Columns) | |
| 2069 msg_putchar('\n'); | |
| 2070 msg_advance(12); | |
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2071 msg_outtrans_long_attr((char_u *)buf, 0); |
| 7 | 2072 msg_putchar('\n'); |
| 2073 } | |
| 2074 if (extra != NULL) | |
| 2075 { | |
| 2076 msg_advance(13); | |
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2077 msg_outtrans_long_attr((char_u *)extra, 0); |
| 7 | 2078 } |
| 2079 | |
| 2080 vim_free(tbuf); /* only after printing extra due to strtok use */ | |
| 2081 | |
| 2082 if (msg_col) | |
| 2083 msg_putchar('\n'); | |
| 2084 | |
| 2085 ui_breakcheck(); | |
| 2086 if (got_int) | |
| 2087 { | |
| 2088 got_int = FALSE; /* don't print any more matches */ | |
| 2089 break; | |
| 2090 } | |
| 2091 | |
| 2092 num++; | |
| 2093 } /* for all matches */ | |
| 2094 | |
| 2095 vim_free(buf); | |
| 2096 } /* cs_print_tags_priv */ | |
| 2097 | |
| 2098 | |
| 2099 /* | |
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2100 * Read a cscope prompt (basically, skip over the ">> "). |
| 7 | 2101 */ |
| 2102 static int | |
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2103 cs_read_prompt(int i) |
| 7 | 2104 { |
| 2105 int ch; | |
| 2106 char *buf = NULL; /* buffer for possible error message from cscope */ | |
| 2107 int bufpos = 0; | |
| 2108 char *cs_emsg; | |
| 2109 int maxlen; | |
| 2110 static char *eprompt = "Press the RETURN key to continue:"; | |
| 835 | 2111 int epromptlen = (int)strlen(eprompt); |
| 7 | 2112 int n; |
| 2113 | |
| 2114 cs_emsg = _("E609: Cscope error: %s"); | |
| 2115 /* compute maximum allowed len for Cscope error message */ | |
| 2116 maxlen = (int)(IOSIZE - strlen(cs_emsg)); | |
| 2117 | |
| 2118 for (;;) | |
| 2119 { | |
| 2120 while ((ch = getc(csinfo[i].fr_fp)) != EOF && ch != CSCOPE_PROMPT[0]) | |
| 2121 /* if there is room and char is printable */ | |
| 2122 if (bufpos < maxlen - 1 && vim_isprintc(ch)) | |
| 2123 { | |
| 2124 if (buf == NULL) /* lazy buffer allocation */ | |
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2125 buf = alloc(maxlen); |
| 7 | 2126 if (buf != NULL) |
| 2127 { | |
| 2128 /* append character to the message */ | |
| 2129 buf[bufpos++] = ch; | |
| 2130 buf[bufpos] = NUL; | |
| 2131 if (bufpos >= epromptlen | |
| 2132 && strcmp(&buf[bufpos - epromptlen], eprompt) == 0) | |
| 2133 { | |
| 2134 /* remove eprompt from buf */ | |
| 2135 buf[bufpos - epromptlen] = NUL; | |
| 2136 | |
| 2137 /* print message to user */ | |
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2138 (void)semsg(cs_emsg, buf); |
| 7 | 2139 |
| 2140 /* send RETURN to cscope */ | |
| 2141 (void)putc('\n', csinfo[i].to_fp); | |
| 2142 (void)fflush(csinfo[i].to_fp); | |
| 2143 | |
| 2144 /* clear buf */ | |
| 2145 bufpos = 0; | |
| 2146 buf[bufpos] = NUL; | |
| 2147 } | |
| 2148 } | |
| 2149 } | |
| 2150 | |
| 2151 for (n = 0; n < (int)strlen(CSCOPE_PROMPT); ++n) | |
| 2152 { | |
| 2153 if (n > 0) | |
| 2154 ch = getc(csinfo[i].fr_fp); | |
| 2155 if (ch == EOF) | |
| 2156 { | |
| 2157 PERROR("cs_read_prompt EOF"); | |
| 2158 if (buf != NULL && buf[0] != NUL) | |
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2159 (void)semsg(cs_emsg, buf); |
| 7 | 2160 else if (p_csverbose) |
| 2161 cs_reading_emsg(i); /* don't have additional information */ | |
| 2162 cs_release_csp(i, TRUE); | |
| 2163 vim_free(buf); | |
| 2164 return CSCOPE_FAILURE; | |
| 2165 } | |
| 2166 | |
| 2167 if (ch != CSCOPE_PROMPT[n]) | |
| 2168 { | |
| 2169 ch = EOF; | |
| 2170 break; | |
| 2171 } | |
| 2172 } | |
| 2173 | |
| 2174 if (ch == EOF) | |
| 2175 continue; /* didn't find the prompt */ | |
| 2176 break; /* did find the prompt */ | |
| 2177 } | |
| 2178 | |
| 2179 vim_free(buf); | |
| 2180 return CSCOPE_SUCCESS; | |
| 2181 } | |
| 2182 | |
| 1566 | 2183 #if defined(UNIX) && defined(SIGALRM) |
| 2184 /* | |
| 2185 * Used to catch and ignore SIGALRM below. | |
| 2186 */ | |
| 2187 static RETSIGTYPE | |
| 2188 sig_handler SIGDEFARG(sigarg) | |
| 2189 { | |
| 2190 /* do nothing */ | |
| 2191 SIGRETURN; | |
| 2192 } | |
| 2193 #endif | |
| 7 | 2194 |
| 2195 /* | |
| 1385 | 2196 * Does the actual free'ing for the cs ptr with an optional flag of whether |
| 2197 * or not to free the filename. Called by cs_kill and cs_reset. | |
| 7 | 2198 */ |
| 2199 static void | |
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2200 cs_release_csp(int i, int freefnpp) |
| 7 | 2201 { |
| 2202 /* | |
| 2203 * Trying to exit normally (not sure whether it is fit to UNIX cscope | |
| 2204 */ | |
| 2205 if (csinfo[i].to_fp != NULL) | |
| 2206 { | |
| 2207 (void)fputs("q\n", csinfo[i].to_fp); | |
| 2208 (void)fflush(csinfo[i].to_fp); | |
| 2209 } | |
| 1566 | 2210 #if defined(UNIX) |
| 2211 { | |
| 1575 | 2212 int waitpid_errno; |
| 1566 | 2213 int pstat; |
| 2214 pid_t pid; | |
| 2215 | |
| 2216 # if defined(HAVE_SIGACTION) | |
| 2217 struct sigaction sa, old; | |
| 2218 | |
| 1568 | 2219 /* Use sigaction() to limit the waiting time to two seconds. */ |
| 2220 sigemptyset(&sa.sa_mask); | |
| 1566 | 2221 sa.sa_handler = sig_handler; |
|
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2222 # ifdef SA_NODEFER |
| 1566 | 2223 sa.sa_flags = SA_NODEFER; |
|
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2224 # else |
|
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2225 sa.sa_flags = 0; |
|
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|
2226 # endif |
| 1566 | 2227 sigaction(SIGALRM, &sa, &old); |
| 2228 alarm(2); /* 2 sec timeout */ | |
| 2229 | |
| 2230 /* Block until cscope exits or until timer expires */ | |
| 2231 pid = waitpid(csinfo[i].pid, &pstat, 0); | |
| 1575 | 2232 waitpid_errno = errno; |
| 1566 | 2233 |
| 2234 /* cancel pending alarm if still there and restore signal */ | |
| 2235 alarm(0); | |
| 2236 sigaction(SIGALRM, &old, NULL); | |
| 2237 # else | |
| 2238 int waited; | |
| 2239 | |
| 2240 /* Can't use sigaction(), loop for two seconds. First yield the CPU | |
| 2241 * to give cscope a chance to exit quickly. */ | |
| 2242 sleep(0); | |
| 2243 for (waited = 0; waited < 40; ++waited) | |
| 2244 { | |
| 2245 pid = waitpid(csinfo[i].pid, &pstat, WNOHANG); | |
| 1575 | 2246 waitpid_errno = errno; |
| 1566 | 2247 if (pid != 0) |
| 2248 break; /* break unless the process is still running */ | |
| 1578 | 2249 mch_delay(50L, FALSE); /* sleep 50 ms */ |
| 1566 | 2250 } |
| 2251 # endif | |
| 2252 /* | |
| 2253 * If the cscope process is still running: kill it. | |
| 2254 * Safety check: If the PID would be zero here, the entire X session | |
| 2255 * would be killed. -1 and 1 are dangerous as well. | |
| 2256 */ | |
| 2257 if (pid < 0 && csinfo[i].pid > 1) | |
| 2258 { | |
| 1575 | 2259 # ifdef ECHILD |
| 2260 int alive = TRUE; | |
| 2261 | |
| 2262 if (waitpid_errno == ECHILD) | |
| 2263 { | |
| 2264 /* | |
| 2265 * When using 'vim -g', vim is forked and cscope process is | |
| 2266 * no longer a child process but a sibling. So waitpid() | |
| 2267 * fails with errno being ECHILD (No child processes). | |
| 2268 * Don't send SIGKILL to cscope immediately but wait | |
| 2269 * (polling) for it to exit normally as result of sending | |
| 2270 * the "q" command, hence giving it a chance to clean up | |
| 2271 * its temporary files. | |
| 2272 */ | |
| 2273 int waited; | |
| 2274 | |
| 2275 sleep(0); | |
| 2276 for (waited = 0; waited < 40; ++waited) | |
| 2277 { | |
| 2278 /* Check whether cscope process is still alive */ | |
| 2279 if (kill(csinfo[i].pid, 0) != 0) | |
| 2280 { | |
| 2281 alive = FALSE; /* cscope process no longer exists */ | |
| 2282 break; | |
| 2283 } | |
| 1578 | 2284 mch_delay(50L, FALSE); /* sleep 50ms */ |
| 1575 | 2285 } |
| 2286 } | |
| 2287 if (alive) | |
| 2288 # endif | |
| 2289 { | |
| 2290 kill(csinfo[i].pid, SIGKILL); | |
| 2291 (void)waitpid(csinfo[i].pid, &pstat, 0); | |
| 2292 } | |
| 1566 | 2293 } |
| 2294 } | |
| 2295 #else /* !UNIX */ | |
| 1385 | 2296 if (csinfo[i].hProc != NULL) |
| 2297 { | |
| 2298 /* Give cscope a chance to exit normally */ | |
| 2299 if (WaitForSingleObject(csinfo[i].hProc, 1000) == WAIT_TIMEOUT) | |
| 2300 TerminateProcess(csinfo[i].hProc, 0); | |
| 2301 CloseHandle(csinfo[i].hProc); | |
| 2302 } | |
| 7 | 2303 #endif |
| 2304 | |
| 2305 if (csinfo[i].fr_fp != NULL) | |
| 2306 (void)fclose(csinfo[i].fr_fp); | |
| 2307 if (csinfo[i].to_fp != NULL) | |
| 2308 (void)fclose(csinfo[i].to_fp); | |
| 2309 | |
| 2310 if (freefnpp) | |
| 2311 { | |
| 2312 vim_free(csinfo[i].fname); | |
| 2313 vim_free(csinfo[i].ppath); | |
| 2314 vim_free(csinfo[i].flags); | |
| 2315 } | |
| 2316 | |
| 2317 clear_csinfo(i); | |
| 2318 } /* cs_release_csp */ | |
| 2319 | |
| 2320 | |
| 2321 /* | |
|
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diff
changeset
|
2322 * Calls cs_kill on all cscope connections then reinits. |
| 7 | 2323 */ |
| 2324 static int | |
|
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diff
changeset
|
2325 cs_reset(exarg_T *eap UNUSED) |
| 7 | 2326 { |
| 2327 char **dblist = NULL, **pplist = NULL, **fllist = NULL; | |
| 2328 int i; | |
| 273 | 2329 char buf[20]; /* for sprintf " (#%d)" */ |
| 7 | 2330 |
| 1931 | 2331 if (csinfo_size == 0) |
| 2332 return CSCOPE_SUCCESS; | |
| 2333 | |
| 7 | 2334 /* malloc our db and ppath list */ |
|
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|
2335 dblist = ALLOC_MULT(char *, csinfo_size); |
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2336 pplist = ALLOC_MULT(char *, csinfo_size); |
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|
2337 fllist = ALLOC_MULT(char *, csinfo_size); |
| 7 | 2338 if (dblist == NULL || pplist == NULL || fllist == NULL) |
| 2339 { | |
| 2340 vim_free(dblist); | |
| 2341 vim_free(pplist); | |
| 2342 vim_free(fllist); | |
| 2343 return CSCOPE_FAILURE; | |
| 2344 } | |
| 2345 | |
| 1931 | 2346 for (i = 0; i < csinfo_size; i++) |
| 7 | 2347 { |
| 2348 dblist[i] = csinfo[i].fname; | |
| 2349 pplist[i] = csinfo[i].ppath; | |
| 2350 fllist[i] = csinfo[i].flags; | |
| 2351 if (csinfo[i].fname != NULL) | |
| 2352 cs_release_csp(i, FALSE); | |
| 2353 } | |
| 2354 | |
| 2355 /* rebuild the cscope connection list */ | |
| 1931 | 2356 for (i = 0; i < csinfo_size; i++) |
| 7 | 2357 { |
| 2358 if (dblist[i] != NULL) | |
| 2359 { | |
| 2360 cs_add_common(dblist[i], pplist[i], fllist[i]); | |
| 2361 if (p_csverbose) | |
| 2362 { | |
| 1372 | 2363 /* don't use smsg_attr() because we want to display the |
| 7 | 2364 * connection number in the same line as |
| 2365 * "Added cscope database..." | |
| 2366 */ | |
| 2367 sprintf(buf, " (#%d)", i); | |
|
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|
2368 msg_puts_attr(buf, HL_ATTR(HLF_R)); |
| 7 | 2369 } |
| 2370 } | |
| 2371 vim_free(dblist[i]); | |
| 2372 vim_free(pplist[i]); | |
| 2373 vim_free(fllist[i]); | |
| 2374 } | |
| 2375 vim_free(dblist); | |
| 2376 vim_free(pplist); | |
| 2377 vim_free(fllist); | |
| 2378 | |
| 2379 if (p_csverbose) | |
|
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|
2380 msg_attr(_("All cscope databases reset"), HL_ATTR(HLF_R) | MSG_HIST); |
| 7 | 2381 return CSCOPE_SUCCESS; |
| 2382 } /* cs_reset */ | |
| 2383 | |
| 2384 | |
| 2385 /* | |
|
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|
2386 * Construct the full pathname to a file found in the cscope database. |
| 7 | 2387 * (Prepends ppath, if there is one and if it's not already prepended, |
| 2388 * otherwise just uses the name found.) | |
| 2389 * | |
|
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2390 * We need to prepend the prefix because on some cscope's (e.g., the one that |
| 7 | 2391 * ships with Solaris 2.6), the output never has the prefix prepended. |
|
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2392 * Contrast this with my development system (Digital Unix), which does. |
| 7 | 2393 */ |
| 2394 static char * | |
|
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diff
changeset
|
2395 cs_resolve_file(int i, char *name) |
| 7 | 2396 { |
| 2873 | 2397 char *fullname; |
| 2398 int len; | |
| 2399 char_u *csdir = NULL; | |
| 7 | 2400 |
| 2401 /* | |
| 2873 | 2402 * Ppath is freed when we destroy the cscope connection. |
| 2403 * Fullname is freed after cs_make_vim_style_matches, after it's been | |
| 2404 * copied into the tag buffer used by Vim. | |
| 7 | 2405 */ |
| 835 | 2406 len = (int)(strlen(name) + 2); |
| 7 | 2407 if (csinfo[i].ppath != NULL) |
| 835 | 2408 len += (int)strlen(csinfo[i].ppath); |
| 2873 | 2409 else if (p_csre && csinfo[i].fname != NULL) |
| 2410 { | |
| 2411 /* If 'cscoperelative' is set and ppath is not set, use cscope.out | |
| 2412 * path in path resolution. */ | |
| 2413 csdir = alloc(MAXPATHL); | |
| 2414 if (csdir != NULL) | |
| 2415 { | |
| 2416 vim_strncpy(csdir, (char_u *)csinfo[i].fname, | |
|
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2417 gettail((char_u *)csinfo[i].fname) |
|
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2418 - (char_u *)csinfo[i].fname); |
| 2873 | 2419 len += (int)STRLEN(csdir); |
| 2420 } | |
| 2421 } | |
| 7 | 2422 |
| 2873 | 2423 /* Note/example: this won't work if the cscope output already starts |
| 7 | 2424 * "../.." and the prefix path is also "../..". if something like this |
| 2873 | 2425 * happens, you are screwed up and need to fix how you're using cscope. */ |
| 2426 if (csinfo[i].ppath != NULL | |
| 2427 && (strncmp(name, csinfo[i].ppath, strlen(csinfo[i].ppath)) != 0) | |
| 2428 && (name[0] != '/') | |
|
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2429 #ifdef MSWIN |
| 2873 | 2430 && name[0] != '\\' && name[1] != ':' |
| 7 | 2431 #endif |
| 2873 | 2432 ) |
|
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2433 { |
|
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2434 if ((fullname = alloc(len)) != NULL) |
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2435 (void)sprintf(fullname, "%s/%s", csinfo[i].ppath, name); |
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2436 } |
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2437 else if (csdir != NULL && csinfo[i].fname != NULL && *csdir != NUL) |
| 2873 | 2438 { |
| 2439 /* Check for csdir to be non empty to avoid empty path concatenated to | |
|
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|
2440 * cscope output. */ |
| 2875 | 2441 fullname = (char *)concat_fnames(csdir, (char_u *)name, TRUE); |
| 2873 | 2442 } |
| 7 | 2443 else |
|
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2444 { |
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2445 fullname = (char *)vim_strsave((char_u *)name); |
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2446 } |
| 7 | 2447 |
| 2873 | 2448 vim_free(csdir); |
| 7 | 2449 return fullname; |
| 2873 | 2450 } |
| 7 | 2451 |
| 2452 | |
| 2453 /* | |
|
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diff
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|
2454 * Show all cscope connections. |
| 7 | 2455 */ |
| 2456 static int | |
|
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diff
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|
2457 cs_show(exarg_T *eap UNUSED) |
| 7 | 2458 { |
| 2459 short i; | |
| 2460 if (cs_cnt_connections() == 0) | |
|
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2461 msg_puts(_("no cscope connections\n")); |
| 7 | 2462 else |
| 2463 { | |
|
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2464 msg_puts_attr( |
| 7 | 2465 _(" # pid database name prepend path\n"), |
|
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2466 HL_ATTR(HLF_T)); |
| 1931 | 2467 for (i = 0; i < csinfo_size; i++) |
| 7 | 2468 { |
| 2469 if (csinfo[i].fname == NULL) | |
| 2470 continue; | |
| 2471 | |
| 2472 if (csinfo[i].ppath != NULL) | |
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2473 (void)smsg("%2d %-5ld %-34s %-32s", |
| 7 | 2474 i, (long)csinfo[i].pid, csinfo[i].fname, csinfo[i].ppath); |
| 2475 else | |
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2476 (void)smsg("%2d %-5ld %-34s <none>", |
| 7 | 2477 i, (long)csinfo[i].pid, csinfo[i].fname); |
| 2478 } | |
| 2479 } | |
| 2480 | |
| 2481 wait_return(TRUE); | |
| 2482 return CSCOPE_SUCCESS; | |
| 2483 } /* cs_show */ | |
| 2484 | |
| 1385 | 2485 |
| 2486 /* | |
| 2487 * Only called when VIM exits to quit any cscope sessions. | |
| 2488 */ | |
| 2489 void | |
|
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7803
diff
changeset
|
2490 cs_end(void) |
| 1385 | 2491 { |
| 2492 int i; | |
| 2493 | |
| 1931 | 2494 for (i = 0; i < csinfo_size; i++) |
| 1385 | 2495 cs_release_csp(i, TRUE); |
| 1931 | 2496 vim_free(csinfo); |
| 2497 csinfo_size = 0; | |
| 1385 | 2498 } |
| 2499 | |
| 7 | 2500 #endif /* FEAT_CSCOPE */ |
| 2501 | |
| 2502 /* the end */ |