Mercurial > vim
annotate src/if_cscope.c @ 12700:306a7a357c71 v8.0.1228
patch 8.0.1228: invalid memory access in GUI test
commit https://github.com/vim/vim/commit/0e19fc07e73214f94441cb3a495504a1de21eb07
Author: Bram Moolenaar <Bram@vim.org>
Date: Sat Oct 28 14:45:16 2017 +0200
patch 8.0.1228: invalid memory access in GUI test
Problem: Invalid memory access in GUI test.
Solution: Check that the row is not outside of the screen.
| author | Christian Brabandt <cb@256bit.org> |
|---|---|
| date | Sat, 28 Oct 2017 15:00:05 +0200 |
| parents | 68d7bc045dbe |
| children | 161b5fe12b11 |
| rev | line source |
|---|---|
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1 /* vi:set ts=8 sts=4 sw=4 noet: |
| 7 | 2 * |
| 3 * CSCOPE support for Vim added by Andy Kahn <kahn@zk3.dec.com> | |
| 148 | 4 * Ported to Win32 by Sergey Khorev <sergey.khorev@gmail.com> |
| 7 | 5 * |
| 6 * The basic idea/structure of cscope for Vim was borrowed from Nvi. There | |
| 7 * might be a few lines of code that look similar to what Nvi has. | |
| 8 * | |
| 9 * See README.txt for an overview of the Vim source code. | |
| 10 */ | |
| 11 | |
| 12 #include "vim.h" | |
| 13 | |
| 14 #if defined(FEAT_CSCOPE) || defined(PROTO) | |
| 15 | |
| 16 #include <sys/types.h> | |
| 17 #include <sys/stat.h> | |
| 18 #if defined(UNIX) | |
| 19 # include <sys/wait.h> | |
| 20 #endif | |
| 21 #include "if_cscope.h" | |
| 22 | |
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23 static void cs_usage_msg(csid_e x); |
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24 static int cs_add(exarg_T *eap); |
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25 static void cs_stat_emsg(char *fname); |
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26 static int cs_add_common(char *, char *, char *); |
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27 static int cs_check_for_connections(void); |
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28 static int cs_check_for_tags(void); |
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29 static int cs_cnt_connections(void); |
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30 static void cs_reading_emsg(int idx); |
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31 static int cs_cnt_matches(int idx); |
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32 static char * cs_create_cmd(char *csoption, char *pattern); |
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33 static int cs_create_connection(int i); |
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34 static void do_cscope_general(exarg_T *eap, int make_split); |
| 636 | 35 #ifdef FEAT_QUICKFIX |
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36 static void cs_file_results(FILE *, int *); |
| 636 | 37 #endif |
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38 static void cs_fill_results(char *, int , int *, char ***, |
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39 char ***, int *); |
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40 static int cs_find(exarg_T *eap); |
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41 static int cs_find_common(char *opt, char *pat, int, int, int, char_u *cmdline); |
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42 static int cs_help(exarg_T *eap); |
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43 static void clear_csinfo(int i); |
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44 static int cs_insert_filelist(char *, char *, char *, |
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45 stat_T *); |
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46 static int cs_kill(exarg_T *eap); |
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47 static void cs_kill_execute(int, char *); |
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48 static cscmd_T * cs_lookup_cmd(exarg_T *eap); |
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49 static char * cs_make_vim_style_matches(char *, char *, |
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50 char *, char *); |
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51 static char * cs_manage_matches(char **, char **, int, mcmd_e); |
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52 static char * cs_parse_results(int cnumber, char *buf, int bufsize, char **context, char **linenumber, char **search); |
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53 static char * cs_pathcomponents(char *path); |
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54 static void cs_print_tags_priv(char **, char **, int); |
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55 static int cs_read_prompt(int); |
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56 static void cs_release_csp(int, int freefnpp); |
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57 static int cs_reset(exarg_T *eap); |
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58 static char * cs_resolve_file(int, char *); |
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59 static int cs_show(exarg_T *eap); |
| 7 | 60 |
| 61 | |
| 1931 | 62 static csinfo_T * csinfo = NULL; |
| 63 static int csinfo_size = 0; /* number of items allocated in | |
| 64 csinfo[] */ | |
| 65 | |
| 1372 | 66 static int eap_arg_len; /* length of eap->arg, set in |
| 67 cs_lookup_cmd() */ | |
| 7 | 68 static cscmd_T cs_cmds[] = |
| 69 { | |
| 70 { "add", cs_add, | |
| 71 N_("Add a new database"), "add file|dir [pre-path] [flags]", 0 }, | |
| 72 { "find", cs_find, | |
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73 N_("Query for a pattern"), "find a|c|d|e|f|g|i|s|t name", 1 }, |
| 7 | 74 { "help", cs_help, |
| 75 N_("Show this message"), "help", 0 }, | |
| 76 { "kill", cs_kill, | |
| 77 N_("Kill a connection"), "kill #", 0 }, | |
| 78 { "reset", cs_reset, | |
| 79 N_("Reinit all connections"), "reset", 0 }, | |
| 80 { "show", cs_show, | |
| 81 N_("Show connections"), "show", 0 }, | |
| 1880 | 82 { NULL, NULL, NULL, NULL, 0 } |
| 7 | 83 }; |
| 84 | |
| 85 static void | |
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86 cs_usage_msg(csid_e x) |
| 7 | 87 { |
| 88 (void)EMSG2(_("E560: Usage: cs[cope] %s"), cs_cmds[(int)x].usage); | |
| 89 } | |
| 90 | |
| 1845 | 91 #if defined(FEAT_CMDL_COMPL) || defined(PROTO) |
| 92 | |
| 93 static enum | |
| 94 { | |
| 95 EXP_CSCOPE_SUBCMD, /* expand ":cscope" sub-commands */ | |
| 1858 | 96 EXP_SCSCOPE_SUBCMD, /* expand ":scscope" sub-commands */ |
| 1845 | 97 EXP_CSCOPE_FIND, /* expand ":cscope find" arguments */ |
| 98 EXP_CSCOPE_KILL /* expand ":cscope kill" arguments */ | |
| 99 } expand_what; | |
| 100 | |
| 101 /* | |
| 102 * Function given to ExpandGeneric() to obtain the cscope command | |
| 103 * expansion. | |
| 104 */ | |
| 105 char_u * | |
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106 get_cscope_name(expand_T *xp UNUSED, int idx) |
| 1845 | 107 { |
| 1858 | 108 int current_idx; |
| 109 int i; | |
| 110 | |
| 1845 | 111 switch (expand_what) |
| 112 { | |
| 113 case EXP_CSCOPE_SUBCMD: | |
| 114 /* Complete with sub-commands of ":cscope": | |
| 115 * add, find, help, kill, reset, show */ | |
| 116 return (char_u *)cs_cmds[idx].name; | |
| 1858 | 117 case EXP_SCSCOPE_SUBCMD: |
| 118 /* Complete with sub-commands of ":scscope": same sub-commands as | |
| 119 * ":cscope" but skip commands which don't support split windows */ | |
| 120 for (i = 0, current_idx = 0; cs_cmds[i].name != NULL; i++) | |
| 121 if (cs_cmds[i].cansplit) | |
| 122 if (current_idx++ == idx) | |
| 123 break; | |
| 124 return (char_u *)cs_cmds[i].name; | |
| 1845 | 125 case EXP_CSCOPE_FIND: |
| 126 { | |
| 127 const char *query_type[] = | |
| 128 { | |
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129 "a", "c", "d", "e", "f", "g", "i", "s", "t", NULL |
| 1845 | 130 }; |
| 131 | |
| 132 /* Complete with query type of ":cscope find {query_type}". | |
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133 * {query_type} can be letters (c, d, ... a) or numbers (0, 1, |
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134 * ..., 9) but only complete with letters, since numbers are |
| 1845 | 135 * redundant. */ |
| 136 return (char_u *)query_type[idx]; | |
| 137 } | |
| 138 case EXP_CSCOPE_KILL: | |
| 139 { | |
| 1931 | 140 static char connection[5]; |
| 1845 | 141 |
| 142 /* ":cscope kill" accepts connection numbers or partial names of | |
| 143 * the pathname of the cscope database as argument. Only complete | |
| 144 * with connection numbers. -1 can also be used to kill all | |
| 145 * connections. */ | |
| 1931 | 146 for (i = 0, current_idx = 0; i < csinfo_size; i++) |
| 1845 | 147 { |
| 148 if (csinfo[i].fname == NULL) | |
| 149 continue; | |
| 150 if (current_idx++ == idx) | |
| 151 { | |
| 1931 | 152 vim_snprintf(connection, sizeof(connection), "%d", i); |
| 153 return (char_u *)connection; | |
| 1845 | 154 } |
| 155 } | |
| 156 return (current_idx == idx && idx > 0) ? (char_u *)"-1" : NULL; | |
| 157 } | |
| 158 default: | |
| 159 return NULL; | |
| 160 } | |
| 161 } | |
| 162 | |
| 163 /* | |
| 164 * Handle command line completion for :cscope command. | |
| 165 */ | |
| 166 void | |
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167 set_context_in_cscope_cmd( |
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168 expand_T *xp, |
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169 char_u *arg, |
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170 cmdidx_T cmdidx) |
| 1845 | 171 { |
| 172 char_u *p; | |
| 173 | |
| 174 /* Default: expand subcommands */ | |
| 175 xp->xp_context = EXPAND_CSCOPE; | |
| 176 xp->xp_pattern = arg; | |
| 1858 | 177 expand_what = (cmdidx == CMD_scscope) |
| 178 ? EXP_SCSCOPE_SUBCMD : EXP_CSCOPE_SUBCMD; | |
| 1845 | 179 |
| 180 /* (part of) subcommand already typed */ | |
| 181 if (*arg != NUL) | |
| 182 { | |
| 183 p = skiptowhite(arg); | |
| 184 if (*p != NUL) /* past first word */ | |
| 185 { | |
| 186 xp->xp_pattern = skipwhite(p); | |
| 187 if (*skiptowhite(xp->xp_pattern) != NUL) | |
| 188 xp->xp_context = EXPAND_NOTHING; | |
| 189 else if (STRNICMP(arg, "add", p - arg) == 0) | |
| 190 xp->xp_context = EXPAND_FILES; | |
| 191 else if (STRNICMP(arg, "kill", p - arg) == 0) | |
| 192 expand_what = EXP_CSCOPE_KILL; | |
| 193 else if (STRNICMP(arg, "find", p - arg) == 0) | |
| 194 expand_what = EXP_CSCOPE_FIND; | |
| 195 else | |
| 196 xp->xp_context = EXPAND_NOTHING; | |
| 197 } | |
| 198 } | |
| 199 } | |
| 200 | |
| 201 #endif /* FEAT_CMDL_COMPL */ | |
| 202 | |
| 7 | 203 /* |
| 1845 | 204 * Find the command, print help if invalid, and then call the corresponding |
| 205 * command function. | |
| 7 | 206 */ |
| 207 static void | |
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208 do_cscope_general( |
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209 exarg_T *eap, |
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210 int make_split UNUSED) /* whether to split window */ |
| 7 | 211 { |
| 212 cscmd_T *cmdp; | |
| 213 | |
| 214 if ((cmdp = cs_lookup_cmd(eap)) == NULL) | |
| 215 { | |
| 216 cs_help(eap); | |
| 217 return; | |
| 218 } | |
| 219 | |
| 220 if (make_split) | |
| 221 { | |
| 222 if (!cmdp->cansplit) | |
| 223 { | |
| 224 (void)MSG_PUTS(_("This cscope command does not support splitting the window.\n")); | |
| 225 return; | |
| 226 } | |
| 227 postponed_split = -1; | |
| 228 postponed_split_flags = cmdmod.split; | |
| 1090 | 229 postponed_split_tab = cmdmod.tab; |
| 7 | 230 } |
| 231 | |
| 232 cmdp->func(eap); | |
| 233 | |
| 234 postponed_split_flags = 0; | |
| 1090 | 235 postponed_split_tab = 0; |
| 7 | 236 } |
| 237 | |
| 238 /* | |
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239 * Implementation of ":cscope" and ":lcscope" |
| 7 | 240 */ |
| 241 void | |
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242 ex_cscope(exarg_T *eap) |
| 7 | 243 { |
| 244 do_cscope_general(eap, FALSE); | |
| 245 } | |
| 246 | |
| 247 /* | |
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248 * Implementation of ":scscope". Same as ex_cscope(), but splits window, too. |
| 7 | 249 */ |
| 250 void | |
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251 ex_scscope(exarg_T *eap) |
| 7 | 252 { |
| 253 do_cscope_general(eap, TRUE); | |
| 254 } | |
| 255 | |
| 256 /* | |
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257 * Implementation of ":cstag" |
| 7 | 258 */ |
| 259 void | |
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260 ex_cstag(exarg_T *eap) |
| 7 | 261 { |
| 262 int ret = FALSE; | |
| 263 | |
| 1621 | 264 if (*eap->arg == NUL) |
| 7 | 265 { |
| 266 (void)EMSG(_("E562: Usage: cstag <ident>")); | |
| 267 return; | |
| 268 } | |
| 269 | |
| 270 switch (p_csto) | |
| 271 { | |
| 272 case 0 : | |
| 273 if (cs_check_for_connections()) | |
| 274 { | |
| 665 | 275 ret = cs_find_common("g", (char *)(eap->arg), eap->forceit, FALSE, |
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276 FALSE, *eap->cmdlinep); |
| 7 | 277 if (ret == FALSE) |
| 278 { | |
| 279 cs_free_tags(); | |
| 280 if (msg_col) | |
| 281 msg_putchar('\n'); | |
| 282 | |
| 283 if (cs_check_for_tags()) | |
| 284 ret = do_tag(eap->arg, DT_JUMP, 0, eap->forceit, FALSE); | |
| 285 } | |
| 286 } | |
| 287 else if (cs_check_for_tags()) | |
| 288 { | |
| 289 ret = do_tag(eap->arg, DT_JUMP, 0, eap->forceit, FALSE); | |
| 290 } | |
| 291 break; | |
| 292 case 1 : | |
| 293 if (cs_check_for_tags()) | |
| 294 { | |
| 295 ret = do_tag(eap->arg, DT_JUMP, 0, eap->forceit, FALSE); | |
| 296 if (ret == FALSE) | |
| 297 { | |
| 298 if (msg_col) | |
| 299 msg_putchar('\n'); | |
| 300 | |
| 301 if (cs_check_for_connections()) | |
| 302 { | |
| 303 ret = cs_find_common("g", (char *)(eap->arg), eap->forceit, | |
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304 FALSE, FALSE, *eap->cmdlinep); |
| 7 | 305 if (ret == FALSE) |
| 306 cs_free_tags(); | |
| 307 } | |
| 308 } | |
| 309 } | |
| 310 else if (cs_check_for_connections()) | |
| 311 { | |
| 665 | 312 ret = cs_find_common("g", (char *)(eap->arg), eap->forceit, FALSE, |
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313 FALSE, *eap->cmdlinep); |
| 7 | 314 if (ret == FALSE) |
| 315 cs_free_tags(); | |
| 316 } | |
| 317 break; | |
| 318 default : | |
| 319 break; | |
| 320 } | |
| 321 | |
| 322 if (!ret) | |
| 323 { | |
| 324 (void)EMSG(_("E257: cstag: tag not found")); | |
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325 #if defined(FEAT_QUICKFIX) |
| 7 | 326 g_do_tagpreview = 0; |
| 327 #endif | |
| 328 } | |
| 329 | |
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330 } |
| 7 | 331 |
| 332 | |
| 333 /* | |
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334 * This simulates a vim_fgets(), but for cscope, returns the next line |
| 7 | 335 * from the cscope output. should only be called from find_tags() |
| 336 * | |
| 337 * returns TRUE if eof, FALSE otherwise | |
| 338 */ | |
| 339 int | |
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340 cs_fgets(char_u *buf, int size) |
| 7 | 341 { |
| 342 char *p; | |
| 343 | |
| 344 if ((p = cs_manage_matches(NULL, NULL, -1, Get)) == NULL) | |
| 345 return TRUE; | |
| 1372 | 346 vim_strncpy(buf, (char_u *)p, size - 1); |
| 7 | 347 |
| 348 return FALSE; | |
| 349 } /* cs_fgets */ | |
| 350 | |
| 351 | |
| 352 /* | |
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353 * Called only from do_tag(), when popping the tag stack. |
| 7 | 354 */ |
| 355 void | |
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356 cs_free_tags(void) |
| 7 | 357 { |
| 358 cs_manage_matches(NULL, NULL, -1, Free); | |
| 359 } | |
| 360 | |
| 361 | |
| 362 /* | |
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363 * Called from do_tag(). |
| 7 | 364 */ |
| 365 void | |
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366 cs_print_tags(void) |
| 7 | 367 { |
| 368 cs_manage_matches(NULL, NULL, -1, Print); | |
| 369 } | |
| 370 | |
| 371 | |
| 372 /* | |
| 373 * "cscope_connection([{num} , {dbpath} [, {prepend}]])" function | |
| 374 * | |
| 375 * Checks for the existence of a |cscope| connection. If no | |
| 376 * parameters are specified, then the function returns: | |
| 377 * | |
| 378 * 0, if cscope was not available (not compiled in), or if there | |
| 379 * are no cscope connections; or | |
| 380 * 1, if there is at least one cscope connection. | |
| 381 * | |
| 382 * If parameters are specified, then the value of {num} | |
| 383 * determines how existence of a cscope connection is checked: | |
| 384 * | |
| 385 * {num} Description of existence check | |
| 386 * ----- ------------------------------ | |
| 387 * 0 Same as no parameters (e.g., "cscope_connection()"). | |
| 388 * 1 Ignore {prepend}, and use partial string matches for | |
| 389 * {dbpath}. | |
| 390 * 2 Ignore {prepend}, and use exact string matches for | |
| 391 * {dbpath}. | |
| 392 * 3 Use {prepend}, use partial string matches for both | |
| 393 * {dbpath} and {prepend}. | |
| 394 * 4 Use {prepend}, use exact string matches for both | |
| 395 * {dbpath} and {prepend}. | |
| 396 * | |
| 397 * Note: All string comparisons are case sensitive! | |
| 398 */ | |
| 399 #if defined(FEAT_EVAL) || defined(PROTO) | |
| 400 int | |
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401 cs_connection(int num, char_u *dbpath, char_u *ppath) |
| 7 | 402 { |
| 403 int i; | |
| 404 | |
| 405 if (num < 0 || num > 4 || (num > 0 && !dbpath)) | |
| 406 return FALSE; | |
| 407 | |
| 1931 | 408 for (i = 0; i < csinfo_size; i++) |
| 7 | 409 { |
| 410 if (!csinfo[i].fname) | |
| 411 continue; | |
| 412 | |
| 413 if (num == 0) | |
| 414 return TRUE; | |
| 415 | |
| 416 switch (num) | |
| 417 { | |
| 418 case 1: | |
| 419 if (strstr(csinfo[i].fname, (char *)dbpath)) | |
| 420 return TRUE; | |
| 421 break; | |
| 422 case 2: | |
| 423 if (strcmp(csinfo[i].fname, (char *)dbpath) == 0) | |
| 424 return TRUE; | |
| 425 break; | |
| 426 case 3: | |
| 427 if (strstr(csinfo[i].fname, (char *)dbpath) | |
| 428 && ((!ppath && !csinfo[i].ppath) | |
| 429 || (ppath | |
| 430 && csinfo[i].ppath | |
| 431 && strstr(csinfo[i].ppath, (char *)ppath)))) | |
| 432 return TRUE; | |
| 433 break; | |
| 434 case 4: | |
| 435 if ((strcmp(csinfo[i].fname, (char *)dbpath) == 0) | |
| 436 && ((!ppath && !csinfo[i].ppath) | |
| 437 || (ppath | |
| 438 && csinfo[i].ppath | |
| 439 && (strcmp(csinfo[i].ppath, (char *)ppath) == 0)))) | |
| 440 return TRUE; | |
| 441 break; | |
| 442 } | |
| 443 } | |
| 444 | |
| 445 return FALSE; | |
| 446 } /* cs_connection */ | |
| 447 #endif | |
| 448 | |
| 449 | |
| 450 /* | |
| 451 * PRIVATE functions | |
| 452 ****************************************************************************/ | |
| 453 | |
| 454 /* | |
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455 * Add cscope database or a directory name (to look for cscope.out) |
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456 * to the cscope connection list. |
| 7 | 457 */ |
| 458 static int | |
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459 cs_add(exarg_T *eap UNUSED) |
| 7 | 460 { |
| 461 char *fname, *ppath, *flags = NULL; | |
| 462 | |
| 463 if ((fname = strtok((char *)NULL, (const char *)" ")) == NULL) | |
| 464 { | |
| 465 cs_usage_msg(Add); | |
| 466 return CSCOPE_FAILURE; | |
| 467 } | |
| 468 if ((ppath = strtok((char *)NULL, (const char *)" ")) != NULL) | |
| 469 flags = strtok((char *)NULL, (const char *)" "); | |
| 470 | |
| 471 return cs_add_common(fname, ppath, flags); | |
| 472 } | |
| 473 | |
| 474 static void | |
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475 cs_stat_emsg(char *fname) |
| 7 | 476 { |
| 477 char *stat_emsg = _("E563: stat(%s) error: %d"); | |
| 478 char *buf = (char *)alloc((unsigned)strlen(stat_emsg) + MAXPATHL + 10); | |
| 479 | |
| 480 if (buf != NULL) | |
| 481 { | |
| 482 (void)sprintf(buf, stat_emsg, fname, errno); | |
| 483 (void)EMSG(buf); | |
| 484 vim_free(buf); | |
| 485 } | |
| 486 else | |
| 487 (void)EMSG(_("E563: stat error")); | |
| 488 } | |
| 489 | |
| 490 | |
| 491 /* | |
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492 * The common routine to add a new cscope connection. Called by |
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493 * cs_add() and cs_reset(). I really don't like to do this, but this |
| 7 | 494 * routine uses a number of goto statements. |
| 495 */ | |
| 496 static int | |
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497 cs_add_common( |
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498 char *arg1, /* filename - may contain environment variables */ |
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499 char *arg2, /* prepend path - may contain environment variables */ |
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500 char *flags) |
| 7 | 501 { |
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502 stat_T statbuf; |
| 12 | 503 int ret; |
| 504 char *fname = NULL; | |
| 505 char *fname2 = NULL; | |
| 506 char *ppath = NULL; | |
| 507 int i; | |
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508 #ifdef FEAT_MODIFY_FNAME |
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509 int len; |
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510 int usedlen = 0; |
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511 char_u *fbuf = NULL; |
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512 #endif |
| 7 | 513 |
| 514 /* get the filename (arg1), expand it, and try to stat it */ | |
| 12 | 515 if ((fname = (char *)alloc(MAXPATHL + 1)) == NULL) |
| 7 | 516 goto add_err; |
| 517 | |
| 518 expand_env((char_u *)arg1, (char_u *)fname, MAXPATHL); | |
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519 #ifdef FEAT_MODIFY_FNAME |
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520 len = (int)STRLEN(fname); |
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521 fbuf = (char_u *)fname; |
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522 (void)modify_fname((char_u *)":p", &usedlen, |
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523 (char_u **)&fname, &fbuf, &len); |
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524 if (fname == NULL) |
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525 goto add_err; |
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526 fname = (char *)vim_strnsave((char_u *)fname, len); |
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527 vim_free(fbuf); |
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528 #endif |
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529 ret = mch_stat(fname, &statbuf); |
| 7 | 530 if (ret < 0) |
| 531 { | |
| 532 staterr: | |
| 533 if (p_csverbose) | |
| 534 cs_stat_emsg(fname); | |
| 535 goto add_err; | |
| 536 } | |
| 537 | |
| 538 /* get the prepend path (arg2), expand it, and try to stat it */ | |
| 539 if (arg2 != NULL) | |
| 540 { | |
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541 stat_T statbuf2; |
| 7 | 542 |
| 12 | 543 if ((ppath = (char *)alloc(MAXPATHL + 1)) == NULL) |
| 7 | 544 goto add_err; |
| 545 | |
| 546 expand_env((char_u *)arg2, (char_u *)ppath, MAXPATHL); | |
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547 ret = mch_stat(ppath, &statbuf2); |
| 7 | 548 if (ret < 0) |
| 549 goto staterr; | |
| 550 } | |
| 551 | |
| 552 /* if filename is a directory, append the cscope database name to it */ | |
| 553 if ((statbuf.st_mode & S_IFMT) == S_IFDIR) | |
| 554 { | |
| 835 | 555 fname2 = (char *)alloc((unsigned)(strlen(CSCOPE_DBFILE) + strlen(fname) + 2)); |
| 7 | 556 if (fname2 == NULL) |
| 557 goto add_err; | |
| 558 | |
| 559 while (fname[strlen(fname)-1] == '/' | |
| 560 #ifdef WIN32 | |
| 561 || fname[strlen(fname)-1] == '\\' | |
| 562 #endif | |
| 563 ) | |
| 564 { | |
| 565 fname[strlen(fname)-1] = '\0'; | |
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566 if (fname[0] == '\0') |
| 7 | 567 break; |
| 568 } | |
| 569 if (fname[0] == '\0') | |
| 570 (void)sprintf(fname2, "/%s", CSCOPE_DBFILE); | |
| 571 else | |
| 572 (void)sprintf(fname2, "%s/%s", fname, CSCOPE_DBFILE); | |
| 573 | |
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574 ret = mch_stat(fname2, &statbuf); |
| 7 | 575 if (ret < 0) |
| 576 { | |
| 577 if (p_csverbose) | |
| 578 cs_stat_emsg(fname2); | |
| 579 goto add_err; | |
| 580 } | |
| 581 | |
| 582 i = cs_insert_filelist(fname2, ppath, flags, &statbuf); | |
| 583 } | |
| 584 #if defined(UNIX) | |
| 585 else if (S_ISREG(statbuf.st_mode) || S_ISLNK(statbuf.st_mode)) | |
| 586 #else | |
| 1385 | 587 /* WIN32 - substitute define S_ISREG from os_unix.h */ |
| 7 | 588 else if (((statbuf.st_mode) & S_IFMT) == S_IFREG) |
| 589 #endif | |
| 590 { | |
| 591 i = cs_insert_filelist(fname, ppath, flags, &statbuf); | |
| 592 } | |
| 593 else | |
| 594 { | |
| 595 if (p_csverbose) | |
| 596 (void)EMSG2( | |
| 597 _("E564: %s is not a directory or a valid cscope database"), | |
| 598 fname); | |
| 599 goto add_err; | |
| 600 } | |
| 601 | |
| 602 if (i != -1) | |
| 603 { | |
| 604 if (cs_create_connection(i) == CSCOPE_FAILURE | |
| 605 || cs_read_prompt(i) == CSCOPE_FAILURE) | |
| 606 { | |
| 607 cs_release_csp(i, TRUE); | |
| 608 goto add_err; | |
| 609 } | |
| 610 | |
| 611 if (p_csverbose) | |
| 612 { | |
| 613 msg_clr_eos(); | |
|
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614 (void)smsg_attr(HL_ATTR(HLF_R), |
| 7 | 615 (char_u *)_("Added cscope database %s"), |
| 616 csinfo[i].fname); | |
| 617 } | |
| 618 } | |
| 619 | |
| 620 vim_free(fname); | |
| 621 vim_free(fname2); | |
| 622 vim_free(ppath); | |
| 623 return CSCOPE_SUCCESS; | |
| 624 | |
| 625 add_err: | |
| 626 vim_free(fname2); | |
| 627 vim_free(fname); | |
| 628 vim_free(ppath); | |
| 629 return CSCOPE_FAILURE; | |
| 630 } /* cs_add_common */ | |
| 631 | |
| 632 | |
| 633 static int | |
|
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|
634 cs_check_for_connections(void) |
| 7 | 635 { |
| 636 return (cs_cnt_connections() > 0); | |
| 637 } /* cs_check_for_connections */ | |
| 638 | |
| 639 | |
| 640 static int | |
|
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641 cs_check_for_tags(void) |
| 7 | 642 { |
| 301 | 643 return (p_tags[0] != NUL && curbuf->b_p_tags != NULL); |
| 7 | 644 } /* cs_check_for_tags */ |
| 645 | |
| 646 | |
| 647 /* | |
|
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|
648 * Count the number of cscope connections. |
| 7 | 649 */ |
| 650 static int | |
|
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651 cs_cnt_connections(void) |
| 7 | 652 { |
| 653 short i; | |
| 654 short cnt = 0; | |
| 655 | |
| 1931 | 656 for (i = 0; i < csinfo_size; i++) |
| 7 | 657 { |
| 658 if (csinfo[i].fname != NULL) | |
| 659 cnt++; | |
| 660 } | |
| 661 return cnt; | |
| 662 } /* cs_cnt_connections */ | |
| 663 | |
| 664 static void | |
|
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665 cs_reading_emsg( |
|
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|
666 int idx) /* connection index */ |
| 7 | 667 { |
| 668 EMSGN(_("E262: error reading cscope connection %ld"), idx); | |
| 669 } | |
| 670 | |
| 671 #define CSREAD_BUFSIZE 2048 | |
| 672 /* | |
|
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673 * Count the number of matches for a given cscope connection. |
| 7 | 674 */ |
| 675 static int | |
|
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|
676 cs_cnt_matches(int idx) |
| 7 | 677 { |
| 678 char *stok; | |
| 679 char *buf; | |
| 680 int nlines; | |
| 681 | |
| 682 buf = (char *)alloc(CSREAD_BUFSIZE); | |
| 683 if (buf == NULL) | |
| 684 return 0; | |
| 685 for (;;) | |
| 686 { | |
| 687 if (!fgets(buf, CSREAD_BUFSIZE, csinfo[idx].fr_fp)) | |
| 688 { | |
| 689 if (feof(csinfo[idx].fr_fp)) | |
| 690 errno = EIO; | |
| 691 | |
| 692 cs_reading_emsg(idx); | |
| 693 | |
| 694 vim_free(buf); | |
| 695 return -1; | |
| 696 } | |
| 697 | |
| 698 /* | |
| 699 * If the database is out of date, or there's some other problem, | |
| 700 * cscope will output error messages before the number-of-lines output. | |
| 701 * Display/discard any output that doesn't match what we want. | |
| 1058 | 702 * Accept "\S*cscope: X lines", also matches "mlcscope". |
| 7 | 703 */ |
| 704 if ((stok = strtok(buf, (const char *)" ")) == NULL) | |
| 705 continue; | |
| 1058 | 706 if (strstr((const char *)stok, "cscope:") == NULL) |
| 7 | 707 continue; |
| 708 | |
| 709 if ((stok = strtok(NULL, (const char *)" ")) == NULL) | |
| 710 continue; | |
| 711 nlines = atoi(stok); | |
| 712 if (nlines < 0) | |
| 713 { | |
| 714 nlines = 0; | |
| 715 break; | |
| 716 } | |
| 717 | |
| 718 if ((stok = strtok(NULL, (const char *)" ")) == NULL) | |
| 719 continue; | |
| 720 if (strncmp((const char *)stok, "lines", 5)) | |
| 721 continue; | |
| 722 | |
| 723 break; | |
| 724 } | |
| 725 | |
| 726 vim_free(buf); | |
| 727 return nlines; | |
| 728 } /* cs_cnt_matches */ | |
| 729 | |
| 730 | |
| 731 /* | |
| 732 * Creates the actual cscope command query from what the user entered. | |
| 733 */ | |
| 734 static char * | |
|
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|
735 cs_create_cmd(char *csoption, char *pattern) |
| 7 | 736 { |
| 737 char *cmd; | |
| 738 short search; | |
| 1847 | 739 char *pat; |
| 7 | 740 |
| 741 switch (csoption[0]) | |
| 742 { | |
| 743 case '0' : case 's' : | |
| 744 search = 0; | |
| 745 break; | |
| 746 case '1' : case 'g' : | |
| 747 search = 1; | |
| 748 break; | |
| 749 case '2' : case 'd' : | |
| 750 search = 2; | |
| 751 break; | |
| 752 case '3' : case 'c' : | |
| 753 search = 3; | |
| 754 break; | |
| 755 case '4' : case 't' : | |
| 756 search = 4; | |
| 757 break; | |
| 758 case '6' : case 'e' : | |
| 759 search = 6; | |
| 760 break; | |
| 761 case '7' : case 'f' : | |
| 762 search = 7; | |
| 763 break; | |
| 764 case '8' : case 'i' : | |
| 765 search = 8; | |
| 766 break; | |
|
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767 case '9' : case 'a' : |
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768 search = 9; |
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|
769 break; |
| 7 | 770 default : |
| 771 (void)EMSG(_("E561: unknown cscope search type")); | |
| 772 cs_usage_msg(Find); | |
| 773 return NULL; | |
| 774 } | |
| 775 | |
| 1847 | 776 /* Skip white space before the patter, except for text and pattern search, |
| 777 * they may want to use the leading white space. */ | |
| 778 pat = pattern; | |
| 779 if (search != 4 && search != 6) | |
|
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780 while VIM_ISWHITE(*pat) |
| 1847 | 781 ++pat; |
| 782 | |
| 783 if ((cmd = (char *)alloc((unsigned)(strlen(pat) + 2))) == NULL) | |
| 7 | 784 return NULL; |
| 785 | |
| 1847 | 786 (void)sprintf(cmd, "%d%s", search, pat); |
| 7 | 787 |
| 788 return cmd; | |
| 789 } /* cs_create_cmd */ | |
| 790 | |
| 791 | |
| 792 /* | |
| 793 * This piece of code was taken/adapted from nvi. do we need to add | |
| 794 * the BSD license notice? | |
| 795 */ | |
| 796 static int | |
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797 cs_create_connection(int i) |
| 7 | 798 { |
| 1385 | 799 #ifdef UNIX |
| 800 int to_cs[2], from_cs[2]; | |
| 801 #endif | |
| 802 int len; | |
| 803 char *prog, *cmd, *ppath = NULL; | |
| 804 #ifdef WIN32 | |
| 805 int fd; | |
| 806 SECURITY_ATTRIBUTES sa; | |
| 807 PROCESS_INFORMATION pi; | |
| 808 STARTUPINFO si; | |
| 809 BOOL pipe_stdin = FALSE, pipe_stdout = FALSE; | |
| 810 HANDLE stdin_rd, stdout_rd; | |
| 811 HANDLE stdout_wr, stdin_wr; | |
| 812 BOOL created; | |
|
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813 # if (defined(_MSC_VER) && (_MSC_VER >= 1300)) || defined(__MINGW32__) |
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814 # define OPEN_OH_ARGTYPE intptr_t |
| 1393 | 815 # else |
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816 # define OPEN_OH_ARGTYPE long |
| 1393 | 817 # endif |
| 7 | 818 #endif |
| 819 | |
| 1385 | 820 #if defined(UNIX) |
| 7 | 821 /* |
| 822 * Cscope reads from to_cs[0] and writes to from_cs[1]; vi reads from | |
| 823 * from_cs[0] and writes to to_cs[1]. | |
| 824 */ | |
| 825 to_cs[0] = to_cs[1] = from_cs[0] = from_cs[1] = -1; | |
| 826 if (pipe(to_cs) < 0 || pipe(from_cs) < 0) | |
| 827 { | |
| 828 (void)EMSG(_("E566: Could not create cscope pipes")); | |
| 829 err_closing: | |
| 830 if (to_cs[0] != -1) | |
| 831 (void)close(to_cs[0]); | |
| 832 if (to_cs[1] != -1) | |
| 833 (void)close(to_cs[1]); | |
| 834 if (from_cs[0] != -1) | |
| 835 (void)close(from_cs[0]); | |
| 836 if (from_cs[1] != -1) | |
| 837 (void)close(from_cs[1]); | |
| 838 return CSCOPE_FAILURE; | |
| 839 } | |
| 840 | |
| 841 switch (csinfo[i].pid = fork()) | |
| 842 { | |
| 843 case -1: | |
| 844 (void)EMSG(_("E622: Could not fork for cscope")); | |
| 845 goto err_closing; | |
| 846 case 0: /* child: run cscope. */ | |
| 847 if (dup2(to_cs[0], STDIN_FILENO) == -1) | |
| 848 PERROR("cs_create_connection 1"); | |
| 849 if (dup2(from_cs[1], STDOUT_FILENO) == -1) | |
| 850 PERROR("cs_create_connection 2"); | |
| 851 if (dup2(from_cs[1], STDERR_FILENO) == -1) | |
| 852 PERROR("cs_create_connection 3"); | |
| 853 | |
| 854 /* close unused */ | |
| 855 (void)close(to_cs[1]); | |
| 856 (void)close(from_cs[0]); | |
| 857 #else | |
| 1385 | 858 /* WIN32 */ |
| 859 /* Create pipes to communicate with cscope */ | |
| 860 sa.nLength = sizeof(SECURITY_ATTRIBUTES); | |
| 861 sa.bInheritHandle = TRUE; | |
| 862 sa.lpSecurityDescriptor = NULL; | |
| 863 | |
| 864 if (!(pipe_stdin = CreatePipe(&stdin_rd, &stdin_wr, &sa, 0)) | |
| 865 || !(pipe_stdout = CreatePipe(&stdout_rd, &stdout_wr, &sa, 0))) | |
| 866 { | |
| 867 (void)EMSG(_("E566: Could not create cscope pipes")); | |
| 868 err_closing: | |
| 869 if (pipe_stdin) | |
| 870 { | |
| 871 CloseHandle(stdin_rd); | |
| 872 CloseHandle(stdin_wr); | |
| 873 } | |
| 874 if (pipe_stdout) | |
| 875 { | |
| 876 CloseHandle(stdout_rd); | |
| 877 CloseHandle(stdout_wr); | |
| 878 } | |
| 879 return CSCOPE_FAILURE; | |
| 880 } | |
| 7 | 881 #endif |
| 882 /* expand the cscope exec for env var's */ | |
| 883 if ((prog = (char *)alloc(MAXPATHL + 1)) == NULL) | |
| 884 { | |
| 885 #ifdef UNIX | |
| 886 return CSCOPE_FAILURE; | |
| 887 #else | |
| 1385 | 888 /* WIN32 */ |
| 7 | 889 goto err_closing; |
| 890 #endif | |
| 891 } | |
| 892 expand_env((char_u *)p_csprg, (char_u *)prog, MAXPATHL); | |
| 893 | |
| 894 /* alloc space to hold the cscope command */ | |
| 835 | 895 len = (int)(strlen(prog) + strlen(csinfo[i].fname) + 32); |
| 7 | 896 if (csinfo[i].ppath) |
| 897 { | |
| 898 /* expand the prepend path for env var's */ | |
| 899 if ((ppath = (char *)alloc(MAXPATHL + 1)) == NULL) | |
| 900 { | |
| 901 vim_free(prog); | |
| 902 #ifdef UNIX | |
| 903 return CSCOPE_FAILURE; | |
| 904 #else | |
| 1385 | 905 /* WIN32 */ |
| 7 | 906 goto err_closing; |
| 907 #endif | |
| 908 } | |
| 909 expand_env((char_u *)csinfo[i].ppath, (char_u *)ppath, MAXPATHL); | |
| 910 | |
| 835 | 911 len += (int)strlen(ppath); |
| 7 | 912 } |
| 913 | |
| 914 if (csinfo[i].flags) | |
| 835 | 915 len += (int)strlen(csinfo[i].flags); |
| 7 | 916 |
| 917 if ((cmd = (char *)alloc(len)) == NULL) | |
| 918 { | |
| 919 vim_free(prog); | |
| 920 vim_free(ppath); | |
| 921 #ifdef UNIX | |
| 922 return CSCOPE_FAILURE; | |
| 923 #else | |
| 1385 | 924 /* WIN32 */ |
| 7 | 925 goto err_closing; |
| 926 #endif | |
| 927 } | |
| 928 | |
| 929 /* run the cscope command; is there execl for non-unix systems? */ | |
| 930 #if defined(UNIX) | |
| 931 (void)sprintf(cmd, "exec %s -dl -f %s", prog, csinfo[i].fname); | |
| 932 #else | |
| 1385 | 933 /* WIN32 */ |
| 7 | 934 (void)sprintf(cmd, "%s -dl -f %s", prog, csinfo[i].fname); |
| 935 #endif | |
| 936 if (csinfo[i].ppath != NULL) | |
| 937 { | |
| 938 (void)strcat(cmd, " -P"); | |
| 939 (void)strcat(cmd, csinfo[i].ppath); | |
| 940 } | |
| 941 if (csinfo[i].flags != NULL) | |
| 942 { | |
| 943 (void)strcat(cmd, " "); | |
| 944 (void)strcat(cmd, csinfo[i].flags); | |
| 945 } | |
| 946 # ifdef UNIX | |
| 947 /* on Win32 we still need prog */ | |
| 948 vim_free(prog); | |
| 949 # endif | |
| 950 vim_free(ppath); | |
| 951 | |
| 952 #if defined(UNIX) | |
|
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953 # if defined(HAVE_SETSID) || defined(HAVE_SETPGID) |
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954 /* Change our process group to avoid cscope receiving SIGWINCH. */ |
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955 # if defined(HAVE_SETSID) |
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956 (void)setsid(); |
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957 # else |
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958 if (setpgid(0, 0) == -1) |
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959 PERROR(_("cs_create_connection setpgid failed")); |
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960 # endif |
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961 # endif |
| 1878 | 962 if (execl("/bin/sh", "sh", "-c", cmd, (char *)NULL) == -1) |
| 7 | 963 PERROR(_("cs_create_connection exec failed")); |
| 964 | |
| 965 exit(127); | |
| 966 /* NOTREACHED */ | |
| 967 default: /* parent. */ | |
| 968 /* | |
| 969 * Save the file descriptors for later duplication, and | |
| 970 * reopen as streams. | |
| 971 */ | |
| 972 if ((csinfo[i].to_fp = fdopen(to_cs[1], "w")) == NULL) | |
| 973 PERROR(_("cs_create_connection: fdopen for to_fp failed")); | |
| 974 if ((csinfo[i].fr_fp = fdopen(from_cs[0], "r")) == NULL) | |
| 975 PERROR(_("cs_create_connection: fdopen for fr_fp failed")); | |
| 976 | |
| 977 /* close unused */ | |
| 978 (void)close(to_cs[0]); | |
| 979 (void)close(from_cs[1]); | |
| 980 | |
| 981 break; | |
| 982 } | |
| 1385 | 983 |
| 7 | 984 #else |
| 1385 | 985 /* WIN32 */ |
| 986 /* Create a new process to run cscope and use pipes to talk with it */ | |
| 987 GetStartupInfo(&si); | |
| 988 si.dwFlags = STARTF_USESTDHANDLES | STARTF_USESHOWWINDOW; | |
| 989 si.wShowWindow = SW_HIDE; /* Hide child application window */ | |
| 990 si.hStdOutput = stdout_wr; | |
| 991 si.hStdError = stdout_wr; | |
| 992 si.hStdInput = stdin_rd; | |
| 993 created = CreateProcess(NULL, cmd, NULL, NULL, TRUE, CREATE_NEW_CONSOLE, | |
| 994 NULL, NULL, &si, &pi); | |
| 995 vim_free(prog); | |
| 996 vim_free(cmd); | |
| 997 | |
| 998 if (!created) | |
| 999 { | |
| 1000 PERROR(_("cs_create_connection exec failed")); | |
| 1001 (void)EMSG(_("E623: Could not spawn cscope process")); | |
| 1002 goto err_closing; | |
| 1003 } | |
| 1004 /* else */ | |
| 1005 csinfo[i].pid = pi.dwProcessId; | |
| 1006 csinfo[i].hProc = pi.hProcess; | |
| 1007 CloseHandle(pi.hThread); | |
| 1008 | |
| 1009 /* TODO - tidy up after failure to create files on pipe handles. */ | |
| 1393 | 1010 if (((fd = _open_osfhandle((OPEN_OH_ARGTYPE)stdin_wr, |
| 1011 _O_TEXT|_O_APPEND)) < 0) | |
| 1385 | 1012 || ((csinfo[i].to_fp = _fdopen(fd, "w")) == NULL)) |
| 1013 PERROR(_("cs_create_connection: fdopen for to_fp failed")); | |
| 1393 | 1014 if (((fd = _open_osfhandle((OPEN_OH_ARGTYPE)stdout_rd, |
| 1015 _O_TEXT|_O_RDONLY)) < 0) | |
| 1385 | 1016 || ((csinfo[i].fr_fp = _fdopen(fd, "r")) == NULL)) |
| 1017 PERROR(_("cs_create_connection: fdopen for fr_fp failed")); | |
| 1018 | |
| 1019 /* Close handles for file descriptors inherited by the cscope process */ | |
| 1020 CloseHandle(stdin_rd); | |
| 1021 CloseHandle(stdout_wr); | |
| 1022 | |
| 1023 #endif /* !UNIX */ | |
| 1024 | |
| 7 | 1025 return CSCOPE_SUCCESS; |
| 1026 } /* cs_create_connection */ | |
| 1027 | |
| 1028 | |
| 1029 /* | |
| 7009 | 1030 * Query cscope using command line interface. Parse the output and use tselect |
| 1031 * to allow choices. Like Nvi, creates a pipe to send to/from query/cscope. | |
| 7 | 1032 * |
| 1033 * returns TRUE if we jump to a tag or abort, FALSE if not. | |
| 1034 */ | |
| 1035 static int | |
|
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diff
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1036 cs_find(exarg_T *eap) |
| 7 | 1037 { |
| 1038 char *opt, *pat; | |
|
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1039 int i; |
| 7 | 1040 |
| 1041 if (cs_check_for_connections() == FALSE) | |
| 1042 { | |
| 1043 (void)EMSG(_("E567: no cscope connections")); | |
| 1044 return FALSE; | |
| 1045 } | |
| 1046 | |
| 1047 if ((opt = strtok((char *)NULL, (const char *)" ")) == NULL) | |
| 1048 { | |
| 1049 cs_usage_msg(Find); | |
| 1050 return FALSE; | |
| 1051 } | |
| 1052 | |
| 1053 pat = opt + strlen(opt) + 1; | |
| 1372 | 1054 if (pat >= (char *)eap->arg + eap_arg_len) |
| 7 | 1055 { |
| 1056 cs_usage_msg(Find); | |
| 1057 return FALSE; | |
| 1058 } | |
| 1059 | |
|
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1060 /* |
|
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1061 * Let's replace the NULs written by strtok() with spaces - we need the |
|
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1062 * spaces to correctly display the quickfix/location list window's title. |
|
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1063 */ |
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1064 for (i = 0; i < eap_arg_len; ++i) |
|
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1065 if (NUL == eap->arg[i]) |
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1066 eap->arg[i] = ' '; |
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1067 |
| 665 | 1068 return cs_find_common(opt, pat, eap->forceit, TRUE, |
|
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1069 eap->cmdidx == CMD_lcscope, *eap->cmdlinep); |
| 7 | 1070 } /* cs_find */ |
| 1071 | |
| 1072 | |
| 1073 /* | |
|
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1074 * Common code for cscope find, shared by cs_find() and ex_cstag(). |
| 7 | 1075 */ |
| 1076 static int | |
|
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1077 cs_find_common( |
|
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1078 char *opt, |
|
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1079 char *pat, |
|
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1080 int forceit, |
|
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1081 int verbose, |
|
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1082 int use_ll UNUSED, |
|
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1083 char_u *cmdline UNUSED) |
| 7 | 1084 { |
| 1085 int i; | |
| 1086 char *cmd; | |
| 1931 | 1087 int *nummatches; |
| 1088 int totmatches; | |
| 7 | 1089 #ifdef FEAT_QUICKFIX |
| 1090 char cmdletter; | |
| 1091 char *qfpos; | |
|
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1092 |
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1093 /* get cmd letter */ |
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1094 switch (opt[0]) |
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1095 { |
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1096 case '0' : |
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1097 cmdletter = 's'; |
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1098 break; |
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1099 case '1' : |
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1100 cmdletter = 'g'; |
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1101 break; |
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1102 case '2' : |
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1103 cmdletter = 'd'; |
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1104 break; |
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1105 case '3' : |
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1106 cmdletter = 'c'; |
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1107 break; |
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1108 case '4' : |
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1109 cmdletter = 't'; |
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1110 break; |
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1111 case '6' : |
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1112 cmdletter = 'e'; |
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1113 break; |
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1114 case '7' : |
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1115 cmdletter = 'f'; |
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1116 break; |
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1117 case '8' : |
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1118 cmdletter = 'i'; |
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1119 break; |
|
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1120 case '9' : |
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1121 cmdletter = 'a'; |
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1122 break; |
|
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1123 default : |
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1124 cmdletter = opt[0]; |
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1125 } |
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1126 |
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1127 qfpos = (char *)vim_strchr(p_csqf, cmdletter); |
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1128 if (qfpos != NULL) |
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1129 { |
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1130 qfpos++; |
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1131 /* next symbol must be + or - */ |
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1132 if (strchr(CSQF_FLAGS, *qfpos) == NULL) |
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1133 { |
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1134 char *nf = _("E469: invalid cscopequickfix flag %c for %c"); |
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1135 char *buf = (char *)alloc((unsigned)strlen(nf)); |
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1136 |
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1137 /* strlen will be enough because we use chars */ |
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1138 if (buf != NULL) |
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1139 { |
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1140 sprintf(buf, nf, *qfpos, *(qfpos-1)); |
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1141 (void)EMSG(buf); |
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1142 vim_free(buf); |
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1143 } |
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1144 return FALSE; |
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1145 } |
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1146 |
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1147 # ifdef FEAT_AUTOCMD |
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1148 if (*qfpos != '0' |
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1149 && apply_autocmds(EVENT_QUICKFIXCMDPRE, (char_u *)"cscope", |
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1150 curbuf->b_fname, TRUE, curbuf)) |
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1151 { |
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1152 # ifdef FEAT_EVAL |
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1153 if (aborting()) |
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1154 return FALSE; |
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1155 # endif |
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1156 } |
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1157 # endif |
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1158 } |
| 7 | 1159 #endif |
| 1160 | |
| 1161 /* create the actual command to send to cscope */ | |
| 1162 cmd = cs_create_cmd(opt, pat); | |
| 1163 if (cmd == NULL) | |
| 1164 return FALSE; | |
| 1165 | |
| 1931 | 1166 nummatches = (int *)alloc(sizeof(int)*csinfo_size); |
| 1167 if (nummatches == NULL) | |
| 7009 | 1168 { |
| 1169 vim_free(cmd); | |
| 1931 | 1170 return FALSE; |
| 7009 | 1171 } |
| 1931 | 1172 |
| 4352 | 1173 /* Send query to all open connections, then count the total number |
| 1174 * of matches so we can alloc all in one swell foop. */ | |
| 1931 | 1175 for (i = 0; i < csinfo_size; i++) |
| 7 | 1176 nummatches[i] = 0; |
| 1177 totmatches = 0; | |
| 1931 | 1178 for (i = 0; i < csinfo_size; i++) |
| 7 | 1179 { |
| 1040 | 1180 if (csinfo[i].fname == NULL || csinfo[i].to_fp == NULL) |
| 7 | 1181 continue; |
| 1182 | |
| 1183 /* send cmd to cscope */ | |
| 1184 (void)fprintf(csinfo[i].to_fp, "%s\n", cmd); | |
| 1185 (void)fflush(csinfo[i].to_fp); | |
| 1186 | |
| 1187 nummatches[i] = cs_cnt_matches(i); | |
| 1188 | |
| 1189 if (nummatches[i] > -1) | |
| 1190 totmatches += nummatches[i]; | |
| 1191 | |
| 1192 if (nummatches[i] == 0) | |
| 1193 (void)cs_read_prompt(i); | |
| 1194 } | |
| 1195 vim_free(cmd); | |
| 1196 | |
| 1197 if (totmatches == 0) | |
| 1198 { | |
| 1199 char *nf = _("E259: no matches found for cscope query %s of %s"); | |
| 1200 char *buf; | |
| 1201 | |
| 1202 if (!verbose) | |
| 1931 | 1203 { |
| 1204 vim_free(nummatches); | |
| 7 | 1205 return FALSE; |
| 1931 | 1206 } |
| 7 | 1207 |
| 835 | 1208 buf = (char *)alloc((unsigned)(strlen(opt) + strlen(pat) + strlen(nf))); |
| 7 | 1209 if (buf == NULL) |
| 1210 (void)EMSG(nf); | |
| 1211 else | |
| 1212 { | |
| 1213 sprintf(buf, nf, opt, pat); | |
| 1214 (void)EMSG(buf); | |
| 1215 vim_free(buf); | |
| 1216 } | |
| 1931 | 1217 vim_free(nummatches); |
| 7 | 1218 return FALSE; |
| 1219 } | |
| 1220 | |
| 1221 #ifdef FEAT_QUICKFIX | |
| 36 | 1222 if (qfpos != NULL && *qfpos != '0' && totmatches > 0) |
| 7 | 1223 { |
| 1224 /* fill error list */ | |
| 1027 | 1225 FILE *f; |
| 6721 | 1226 char_u *tmp = vim_tempname('c', TRUE); |
| 665 | 1227 qf_info_T *qi = NULL; |
| 1228 win_T *wp = NULL; | |
| 7 | 1229 |
| 531 | 1230 f = mch_fopen((char *)tmp, "w"); |
| 1027 | 1231 if (f == NULL) |
| 1232 EMSG2(_(e_notopen), tmp); | |
| 1233 else | |
| 7 | 1234 { |
| 1027 | 1235 cs_file_results(f, nummatches); |
| 1236 fclose(f); | |
| 1237 if (use_ll) /* Use location list */ | |
| 1238 wp = curwin; | |
| 1239 /* '-' starts a new error list */ | |
| 1240 if (qf_init(wp, tmp, (char_u *)"%f%*\\t%l%*\\t%m", | |
|
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1241 *qfpos == '-', cmdline, NULL) > 0) |
| 1027 | 1242 { |
| 1243 if (postponed_split != 0) | |
| 1244 { | |
| 7009 | 1245 (void)win_split(postponed_split > 0 ? postponed_split : 0, |
| 7 | 1246 postponed_split_flags); |
| 2583 | 1247 RESET_BINDING(curwin); |
| 1027 | 1248 postponed_split = 0; |
| 1249 } | |
|
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1250 |
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1251 # ifdef FEAT_AUTOCMD |
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1252 apply_autocmds(EVENT_QUICKFIXCMDPOST, (char_u *)"cscope", |
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1253 curbuf->b_fname, TRUE, curbuf); |
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1254 # endif |
| 1027 | 1255 if (use_ll) |
| 1256 /* | |
| 1257 * In the location list window, use the displayed location | |
| 1258 * list. Otherwise, use the location list for the window. | |
| 1259 */ | |
| 1260 qi = (bt_quickfix(wp->w_buffer) && wp->w_llist_ref != NULL) | |
| 1261 ? wp->w_llist_ref : wp->w_llist; | |
| 1262 qf_jump(qi, 0, 0, forceit); | |
| 1263 } | |
| 7 | 1264 } |
| 1265 mch_remove(tmp); | |
| 1266 vim_free(tmp); | |
| 1931 | 1267 vim_free(nummatches); |
| 7 | 1268 return TRUE; |
| 1269 } | |
| 1270 else | |
| 1271 #endif /* FEAT_QUICKFIX */ | |
| 1272 { | |
| 944 | 1273 char **matches = NULL, **contexts = NULL; |
| 1274 int matched = 0; | |
| 1275 | |
| 7 | 1276 /* read output */ |
| 1277 cs_fill_results((char *)pat, totmatches, nummatches, &matches, | |
| 1278 &contexts, &matched); | |
| 1931 | 1279 vim_free(nummatches); |
| 7 | 1280 if (matches == NULL) |
| 1281 return FALSE; | |
| 1282 | |
| 293 | 1283 (void)cs_manage_matches(matches, contexts, matched, Store); |
| 7 | 1284 |
| 1285 return do_tag((char_u *)pat, DT_CSCOPE, 0, forceit, verbose); | |
| 1286 } | |
| 1287 | |
| 1288 } /* cs_find_common */ | |
| 1289 | |
| 1290 /* | |
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1291 * Print help. |
| 7 | 1292 */ |
| 1293 static int | |
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1294 cs_help(exarg_T *eap UNUSED) |
| 7 | 1295 { |
| 1296 cscmd_T *cmdp = cs_cmds; | |
| 1297 | |
| 1298 (void)MSG_PUTS(_("cscope commands:\n")); | |
| 1299 while (cmdp->name != NULL) | |
| 1300 { | |
| 1793 | 1301 char *help = _(cmdp->help); |
| 1302 int space_cnt = 30 - vim_strsize((char_u *)help); | |
| 1303 | |
| 1304 /* Use %*s rather than %30s to ensure proper alignment in utf-8 */ | |
| 1305 if (space_cnt < 0) | |
| 1306 space_cnt = 0; | |
| 1307 (void)smsg((char_u *)_("%-5s: %s%*s (Usage: %s)"), | |
| 1308 cmdp->name, | |
| 1309 help, space_cnt, " ", | |
| 1310 cmdp->usage); | |
| 7 | 1311 if (strcmp(cmdp->name, "find") == 0) |
| 1706 | 1312 MSG_PUTS(_("\n" |
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1313 " a: Find assignments to this symbol\n" |
| 1706 | 1314 " c: Find functions calling this function\n" |
| 1315 " d: Find functions called by this function\n" | |
| 1316 " e: Find this egrep pattern\n" | |
| 1317 " f: Find this file\n" | |
| 1318 " g: Find this definition\n" | |
| 1319 " i: Find files #including this file\n" | |
| 1320 " s: Find this C symbol\n" | |
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1321 " t: Find this text string\n")); |
| 1706 | 1322 |
| 7 | 1323 cmdp++; |
| 1324 } | |
| 1325 | |
| 1326 wait_return(TRUE); | |
| 1327 return 0; | |
| 1328 } /* cs_help */ | |
| 1329 | |
| 1330 | |
| 1331 static void | |
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1332 clear_csinfo(int i) |
| 7 | 1333 { |
| 1334 csinfo[i].fname = NULL; | |
| 1335 csinfo[i].ppath = NULL; | |
| 1336 csinfo[i].flags = NULL; | |
| 1337 #if defined(UNIX) | |
| 1338 csinfo[i].st_dev = (dev_t)0; | |
| 1339 csinfo[i].st_ino = (ino_t)0; | |
| 1340 #else | |
| 1341 csinfo[i].nVolume = 0; | |
| 1342 csinfo[i].nIndexHigh = 0; | |
| 1343 csinfo[i].nIndexLow = 0; | |
| 1344 #endif | |
| 1621 | 1345 csinfo[i].pid = 0; |
| 7 | 1346 csinfo[i].fr_fp = NULL; |
| 1347 csinfo[i].to_fp = NULL; | |
| 301 | 1348 #if defined(WIN32) |
| 1349 csinfo[i].hProc = NULL; | |
| 1350 #endif | |
| 7 | 1351 } |
| 1352 | |
| 1353 #ifndef UNIX | |
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1354 static char *GetWin32Error(void); |
| 7 | 1355 |
| 1356 static char * | |
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1357 GetWin32Error(void) |
| 7 | 1358 { |
| 1359 char *msg = NULL; | |
| 1360 FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER|FORMAT_MESSAGE_FROM_SYSTEM, | |
| 1361 NULL, GetLastError(), 0, (LPSTR)&msg, 0, NULL); | |
| 1362 if (msg != NULL) | |
| 1363 { | |
| 1364 /* remove trailing \r\n */ | |
| 1365 char *pcrlf = strstr(msg, "\r\n"); | |
| 1366 if (pcrlf != NULL) | |
| 1367 *pcrlf = '\0'; | |
| 1368 } | |
| 1369 return msg; | |
| 1370 } | |
| 1371 #endif | |
| 323 | 1372 |
| 7 | 1373 /* |
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1374 * Insert a new cscope database filename into the filelist. |
| 7 | 1375 */ |
| 1376 static int | |
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1377 cs_insert_filelist( |
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1378 char *fname, |
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1379 char *ppath, |
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1380 char *flags, |
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1381 stat_T *sb UNUSED) |
| 7 | 1382 { |
| 1383 short i, j; | |
| 1384 #ifndef UNIX | |
| 1385 BY_HANDLE_FILE_INFORMATION bhfi; | |
| 1386 | |
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1387 switch (win32_fileinfo((char_u *)fname, &bhfi)) |
| 7 | 1388 { |
| 2793 | 1389 case FILEINFO_ENC_FAIL: /* enc_to_utf16() failed */ |
| 1390 case FILEINFO_READ_FAIL: /* CreateFile() failed */ | |
| 7 | 1391 if (p_csverbose) |
| 1392 { | |
| 1393 char *cant_msg = _("E625: cannot open cscope database: %s"); | |
| 1394 char *winmsg = GetWin32Error(); | |
| 1395 | |
| 1396 if (winmsg != NULL) | |
| 1397 { | |
| 1398 (void)EMSG2(cant_msg, winmsg); | |
| 1399 LocalFree(winmsg); | |
| 1400 } | |
| 1401 else | |
| 1402 /* subst filename if can't get error text */ | |
| 1403 (void)EMSG2(cant_msg, fname); | |
| 1404 } | |
| 1405 return -1; | |
| 2793 | 1406 |
| 1407 case FILEINFO_INFO_FAIL: /* GetFileInformationByHandle() failed */ | |
| 7 | 1408 if (p_csverbose) |
| 1409 (void)EMSG(_("E626: cannot get cscope database information")); | |
| 1410 return -1; | |
| 1411 } | |
| 1412 #endif | |
| 1413 | |
| 1414 i = -1; /* can be set to the index of an empty item in csinfo */ | |
| 1931 | 1415 for (j = 0; j < csinfo_size; j++) |
| 7 | 1416 { |
| 1417 if (csinfo[j].fname != NULL | |
| 1418 #if defined(UNIX) | |
| 1419 && csinfo[j].st_dev == sb->st_dev && csinfo[j].st_ino == sb->st_ino | |
| 1420 #else | |
| 1421 /* compare pathnames first */ | |
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1422 && ((fullpathcmp((char_u *)csinfo[j].fname, |
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1423 (char_u *)fname, FALSE) & FPC_SAME) |
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1424 /* test index file attributes too */ |
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1425 || (csinfo[j].nVolume == bhfi.dwVolumeSerialNumber |
| 7 | 1426 && csinfo[j].nIndexHigh == bhfi.nFileIndexHigh |
| 1427 && csinfo[j].nIndexLow == bhfi.nFileIndexLow)) | |
| 1428 #endif | |
| 1429 ) | |
| 1430 { | |
| 1431 if (p_csverbose) | |
| 1432 (void)EMSG(_("E568: duplicate cscope database not added")); | |
| 1433 return -1; | |
| 1434 } | |
| 1435 | |
| 1436 if (csinfo[j].fname == NULL && i == -1) | |
| 1437 i = j; /* remember first empty entry */ | |
| 1438 } | |
| 1439 | |
| 1440 if (i == -1) | |
| 1441 { | |
| 1931 | 1442 i = csinfo_size; |
| 1443 if (csinfo_size == 0) | |
| 1444 { | |
| 1445 /* First time allocation: allocate only 1 connection. It should | |
| 1446 * be enough for most users. If more is needed, csinfo will be | |
| 1447 * reallocated. */ | |
| 1448 csinfo_size = 1; | |
| 1449 csinfo = (csinfo_T *)alloc_clear(sizeof(csinfo_T)); | |
| 1450 } | |
| 1451 else | |
| 1452 { | |
| 6596 | 1453 csinfo_T *t_csinfo = csinfo; |
| 1454 | |
| 1931 | 1455 /* Reallocate space for more connections. */ |
| 1456 csinfo_size *= 2; | |
| 1457 csinfo = vim_realloc(csinfo, sizeof(csinfo_T)*csinfo_size); | |
| 6596 | 1458 if (csinfo == NULL) |
| 1459 { | |
| 1460 vim_free(t_csinfo); | |
| 1461 csinfo_size = 0; | |
| 1462 } | |
| 1931 | 1463 } |
| 1464 if (csinfo == NULL) | |
| 1465 return -1; | |
| 1466 for (j = csinfo_size/2; j < csinfo_size; j++) | |
| 1467 clear_csinfo(j); | |
| 7 | 1468 } |
| 1469 | |
| 835 | 1470 if ((csinfo[i].fname = (char *)alloc((unsigned)strlen(fname)+1)) == NULL) |
| 7 | 1471 return -1; |
| 1472 | |
| 1473 (void)strcpy(csinfo[i].fname, (const char *)fname); | |
| 1474 | |
| 1475 if (ppath != NULL) | |
| 1476 { | |
| 835 | 1477 if ((csinfo[i].ppath = (char *)alloc((unsigned)strlen(ppath) + 1)) == NULL) |
| 7 | 1478 { |
| 1479 vim_free(csinfo[i].fname); | |
| 1480 csinfo[i].fname = NULL; | |
| 1481 return -1; | |
| 1482 } | |
| 1483 (void)strcpy(csinfo[i].ppath, (const char *)ppath); | |
| 1484 } else | |
| 1485 csinfo[i].ppath = NULL; | |
| 1486 | |
| 1487 if (flags != NULL) | |
| 1488 { | |
| 835 | 1489 if ((csinfo[i].flags = (char *)alloc((unsigned)strlen(flags) + 1)) == NULL) |
| 7 | 1490 { |
| 1491 vim_free(csinfo[i].fname); | |
| 1492 vim_free(csinfo[i].ppath); | |
| 1493 csinfo[i].fname = NULL; | |
| 1494 csinfo[i].ppath = NULL; | |
| 1495 return -1; | |
| 1496 } | |
| 1497 (void)strcpy(csinfo[i].flags, (const char *)flags); | |
| 1498 } else | |
| 1499 csinfo[i].flags = NULL; | |
| 1500 | |
| 1501 #if defined(UNIX) | |
| 1502 csinfo[i].st_dev = sb->st_dev; | |
| 1503 csinfo[i].st_ino = sb->st_ino; | |
| 1504 | |
| 1505 #else | |
| 1506 csinfo[i].nVolume = bhfi.dwVolumeSerialNumber; | |
| 1507 csinfo[i].nIndexLow = bhfi.nFileIndexLow; | |
| 1508 csinfo[i].nIndexHigh = bhfi.nFileIndexHigh; | |
| 1509 #endif | |
| 1510 return i; | |
| 1511 } /* cs_insert_filelist */ | |
| 1512 | |
| 1513 | |
| 1514 /* | |
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1515 * Find cscope command in command table. |
| 7 | 1516 */ |
| 1517 static cscmd_T * | |
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1518 cs_lookup_cmd(exarg_T *eap) |
| 7 | 1519 { |
| 1520 cscmd_T *cmdp; | |
| 1521 char *stok; | |
| 1522 size_t len; | |
| 1523 | |
| 1524 if (eap->arg == NULL) | |
| 1525 return NULL; | |
| 1526 | |
| 1372 | 1527 /* Store length of eap->arg before it gets modified by strtok(). */ |
| 1570 | 1528 eap_arg_len = (int)STRLEN(eap->arg); |
| 1372 | 1529 |
| 7 | 1530 if ((stok = strtok((char *)(eap->arg), (const char *)" ")) == NULL) |
| 1531 return NULL; | |
| 1532 | |
| 1533 len = strlen(stok); | |
| 1534 for (cmdp = cs_cmds; cmdp->name != NULL; ++cmdp) | |
| 1535 { | |
| 1536 if (strncmp((const char *)(stok), cmdp->name, len) == 0) | |
| 1537 return (cmdp); | |
| 1538 } | |
| 1539 return NULL; | |
| 1540 } /* cs_lookup_cmd */ | |
| 1541 | |
| 1542 | |
| 1543 /* | |
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1544 * Nuke em. |
| 7 | 1545 */ |
| 1546 static int | |
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1547 cs_kill(exarg_T *eap UNUSED) |
| 7 | 1548 { |
| 1549 char *stok; | |
| 1550 short i; | |
| 1551 | |
| 1552 if ((stok = strtok((char *)NULL, (const char *)" ")) == NULL) | |
| 1553 { | |
| 1554 cs_usage_msg(Kill); | |
| 1555 return CSCOPE_FAILURE; | |
| 1556 } | |
| 1557 | |
| 1558 /* only single digit positive and negative integers are allowed */ | |
| 1559 if ((strlen(stok) < 2 && VIM_ISDIGIT((int)(stok[0]))) | |
| 1560 || (strlen(stok) < 3 && stok[0] == '-' | |
| 1561 && VIM_ISDIGIT((int)(stok[1])))) | |
| 1562 i = atoi(stok); | |
| 1563 else | |
| 1564 { | |
| 1565 /* It must be part of a name. We will try to find a match | |
| 1566 * within all the names in the csinfo data structure | |
| 1567 */ | |
| 1931 | 1568 for (i = 0; i < csinfo_size; i++) |
| 7 | 1569 { |
| 1570 if (csinfo[i].fname != NULL && strstr(csinfo[i].fname, stok)) | |
| 1571 break; | |
| 1572 } | |
| 1573 } | |
| 1574 | |
| 1931 | 1575 if ((i != -1) && (i >= csinfo_size || i < -1 || csinfo[i].fname == NULL)) |
| 7 | 1576 { |
| 1577 if (p_csverbose) | |
| 1578 (void)EMSG2(_("E261: cscope connection %s not found"), stok); | |
| 1579 } | |
| 1580 else | |
| 1581 { | |
| 1582 if (i == -1) | |
| 1583 { | |
| 1931 | 1584 for (i = 0; i < csinfo_size; i++) |
| 7 | 1585 { |
| 1586 if (csinfo[i].fname) | |
| 1587 cs_kill_execute(i, csinfo[i].fname); | |
| 1588 } | |
| 1589 } | |
| 1590 else | |
| 1591 cs_kill_execute(i, stok); | |
| 1592 } | |
| 1593 | |
| 1594 return 0; | |
| 1595 } /* cs_kill */ | |
| 1596 | |
| 1597 | |
| 1598 /* | |
| 1599 * Actually kills a specific cscope connection. | |
| 1600 */ | |
| 1601 static void | |
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1602 cs_kill_execute( |
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1603 int i, /* cscope table index */ |
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1604 char *cname) /* cscope database name */ |
| 7 | 1605 { |
| 1606 if (p_csverbose) | |
| 1607 { | |
| 1608 msg_clr_eos(); | |
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1609 (void)smsg_attr(HL_ATTR(HLF_R) | MSG_HIST, |
| 7 | 1610 (char_u *)_("cscope connection %s closed"), cname); |
| 1611 } | |
| 1612 cs_release_csp(i, TRUE); | |
| 1613 } | |
| 1614 | |
| 1615 | |
| 1616 /* | |
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1617 * Convert the cscope output into a ctags style entry (as might be found |
| 7 | 1618 * in a ctags tags file). there's one catch though: cscope doesn't tell you |
| 1619 * the type of the tag you are looking for. for example, in Darren Hiebert's | |
| 1620 * ctags (the one that comes with vim), #define's use a line number to find the | |
| 1621 * tag in a file while function definitions use a regexp search pattern. | |
| 1622 * | |
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1623 * I'm going to always use the line number because cscope does something |
| 7 | 1624 * quirky (and probably other things i don't know about): |
| 1625 * | |
| 1626 * if you have "# define" in your source file, which is | |
| 1627 * perfectly legal, cscope thinks you have "#define". this | |
| 1628 * will result in a failed regexp search. :( | |
| 1629 * | |
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1630 * Besides, even if this particular case didn't happen, the search pattern |
| 7 | 1631 * would still have to be modified to escape all the special regular expression |
| 1632 * characters to comply with ctags formatting. | |
| 1633 */ | |
| 1634 static char * | |
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1635 cs_make_vim_style_matches( |
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1636 char *fname, |
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1637 char *slno, |
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1638 char *search, |
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1639 char *tagstr) |
| 7 | 1640 { |
| 1641 /* vim style is ctags: | |
| 1642 * | |
| 1643 * <tagstr>\t<filename>\t<linenum_or_search>"\t<extra> | |
| 1644 * | |
| 1645 * but as mentioned above, we'll always use the line number and | |
| 1646 * put the search pattern (if one exists) as "extra" | |
| 1647 * | |
| 1648 * buf is used as part of vim's method of handling tags, and | |
| 1649 * (i think) vim frees it when you pop your tags and get replaced | |
| 1650 * by new ones on the tag stack. | |
| 1651 */ | |
| 1652 char *buf; | |
| 1653 int amt; | |
| 1654 | |
| 1655 if (search != NULL) | |
| 1656 { | |
| 835 | 1657 amt = (int)(strlen(fname) + strlen(slno) + strlen(tagstr) + strlen(search)+6); |
| 7 | 1658 if ((buf = (char *)alloc(amt)) == NULL) |
| 1659 return NULL; | |
| 1660 | |
| 1661 (void)sprintf(buf, "%s\t%s\t%s;\"\t%s", tagstr, fname, slno, search); | |
| 1662 } | |
| 1663 else | |
| 1664 { | |
| 835 | 1665 amt = (int)(strlen(fname) + strlen(slno) + strlen(tagstr) + 5); |
| 7 | 1666 if ((buf = (char *)alloc(amt)) == NULL) |
| 1667 return NULL; | |
| 1668 | |
| 1669 (void)sprintf(buf, "%s\t%s\t%s;\"", tagstr, fname, slno); | |
| 1670 } | |
| 1671 | |
| 1672 return buf; | |
| 1673 } /* cs_make_vim_style_matches */ | |
| 1674 | |
| 1675 | |
| 1676 /* | |
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1677 * This is kind of hokey, but i don't see an easy way round this. |
| 7 | 1678 * |
| 1679 * Store: keep a ptr to the (malloc'd) memory of matches originally | |
| 1680 * generated from cs_find(). the matches are originally lines directly | |
| 1681 * from cscope output, but transformed to look like something out of a | |
| 1682 * ctags. see cs_make_vim_style_matches for more details. | |
| 1683 * | |
| 1684 * Get: used only from cs_fgets(), this simulates a vim_fgets() to return | |
| 1685 * the next line from the cscope output. it basically keeps track of which | |
| 1686 * lines have been "used" and returns the next one. | |
| 1687 * | |
| 1688 * Free: frees up everything and resets | |
| 1689 * | |
| 1690 * Print: prints the tags | |
| 1691 */ | |
| 1692 static char * | |
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1693 cs_manage_matches( |
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1694 char **matches, |
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1695 char **contexts, |
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1696 int totmatches, |
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1697 mcmd_e cmd) |
| 7 | 1698 { |
| 1699 static char **mp = NULL; | |
| 1700 static char **cp = NULL; | |
| 1701 static int cnt = -1; | |
| 1702 static int next = -1; | |
| 1703 char *p = NULL; | |
| 1704 | |
| 1705 switch (cmd) | |
| 1706 { | |
| 1707 case Store: | |
| 1708 assert(matches != NULL); | |
| 1709 assert(totmatches > 0); | |
| 1710 if (mp != NULL || cp != NULL) | |
| 1711 (void)cs_manage_matches(NULL, NULL, -1, Free); | |
| 1712 mp = matches; | |
| 1713 cp = contexts; | |
| 1714 cnt = totmatches; | |
| 1715 next = 0; | |
| 1716 break; | |
| 1717 case Get: | |
| 1718 if (next >= cnt) | |
| 1719 return NULL; | |
| 1720 | |
| 1721 p = mp[next]; | |
| 1722 next++; | |
| 1723 break; | |
| 1724 case Free: | |
| 1725 if (mp != NULL) | |
| 1726 { | |
| 1727 if (cnt > 0) | |
| 1728 while (cnt--) | |
| 1729 { | |
| 1730 vim_free(mp[cnt]); | |
| 1731 if (cp != NULL) | |
| 1732 vim_free(cp[cnt]); | |
| 1733 } | |
| 1734 vim_free(mp); | |
| 1735 vim_free(cp); | |
| 1736 } | |
| 1737 mp = NULL; | |
| 1738 cp = NULL; | |
| 1739 cnt = 0; | |
| 1740 next = 0; | |
| 1741 break; | |
| 1742 case Print: | |
| 1743 cs_print_tags_priv(mp, cp, cnt); | |
| 1744 break; | |
| 1745 default: /* should not reach here */ | |
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1746 IEMSG(_("E570: fatal error in cs_manage_matches")); |
| 7 | 1747 return NULL; |
| 1748 } | |
| 1749 | |
| 1750 return p; | |
| 1751 } /* cs_manage_matches */ | |
| 1752 | |
| 1753 | |
| 1754 /* | |
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1755 * Parse cscope output. |
| 7 | 1756 */ |
| 1757 static char * | |
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1758 cs_parse_results( |
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1759 int cnumber, |
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1760 char *buf, |
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1761 int bufsize, |
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1762 char **context, |
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1763 char **linenumber, |
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1764 char **search) |
| 7 | 1765 { |
| 1766 int ch; | |
| 1767 char *p; | |
| 1768 char *name; | |
| 1769 | |
| 1770 if (fgets(buf, bufsize, csinfo[cnumber].fr_fp) == NULL) | |
| 1771 { | |
| 1772 if (feof(csinfo[cnumber].fr_fp)) | |
| 1773 errno = EIO; | |
| 1774 | |
| 1775 cs_reading_emsg(cnumber); | |
| 1776 | |
| 1777 return NULL; | |
| 1778 } | |
| 1779 | |
| 1780 /* If the line's too long for the buffer, discard it. */ | |
| 1781 if ((p = strchr(buf, '\n')) == NULL) | |
| 1782 { | |
| 1783 while ((ch = getc(csinfo[cnumber].fr_fp)) != EOF && ch != '\n') | |
| 1784 ; | |
| 1785 return NULL; | |
| 1786 } | |
| 1787 *p = '\0'; | |
| 1788 | |
| 1789 /* | |
| 1790 * cscope output is in the following format: | |
| 1791 * | |
| 1792 * <filename> <context> <line number> <pattern> | |
| 1793 */ | |
| 1794 if ((name = strtok((char *)buf, (const char *)" ")) == NULL) | |
| 1795 return NULL; | |
| 1796 if ((*context = strtok(NULL, (const char *)" ")) == NULL) | |
| 1797 return NULL; | |
| 1798 if ((*linenumber = strtok(NULL, (const char *)" ")) == NULL) | |
| 1799 return NULL; | |
| 1800 *search = *linenumber + strlen(*linenumber) + 1; /* +1 to skip \0 */ | |
| 1801 | |
| 1802 /* --- nvi --- | |
| 1803 * If the file is older than the cscope database, that is, | |
| 1804 * the database was built since the file was last modified, | |
| 1805 * or there wasn't a search string, use the line number. | |
| 1806 */ | |
| 1807 if (strcmp(*search, "<unknown>") == 0) | |
| 1808 *search = NULL; | |
| 1809 | |
| 1810 name = cs_resolve_file(cnumber, name); | |
| 1811 return name; | |
| 1812 } | |
| 1813 | |
| 636 | 1814 #ifdef FEAT_QUICKFIX |
| 7 | 1815 /* |
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1816 * Write cscope find results to file. |
| 7 | 1817 */ |
| 1818 static void | |
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1819 cs_file_results(FILE *f, int *nummatches_a) |
| 7 | 1820 { |
| 1821 int i, j; | |
| 1822 char *buf; | |
| 1823 char *search, *slno; | |
| 1824 char *fullname; | |
| 1825 char *cntx; | |
| 1826 char *context; | |
| 1827 | |
| 1828 buf = (char *)alloc(CSREAD_BUFSIZE); | |
| 1829 if (buf == NULL) | |
| 1830 return; | |
| 1831 | |
| 1931 | 1832 for (i = 0; i < csinfo_size; i++) |
| 7 | 1833 { |
| 1834 if (nummatches_a[i] < 1) | |
| 1835 continue; | |
| 1836 | |
| 1837 for (j = 0; j < nummatches_a[i]; j++) | |
| 1838 { | |
| 293 | 1839 if ((fullname = cs_parse_results(i, buf, CSREAD_BUFSIZE, &cntx, |
| 1840 &slno, &search)) == NULL) | |
| 7 | 1841 continue; |
| 1842 | |
| 835 | 1843 context = (char *)alloc((unsigned)strlen(cntx)+5); |
| 1027 | 1844 if (context == NULL) |
| 7 | 1845 continue; |
| 1846 | |
| 1847 if (strcmp(cntx, "<global>")==0) | |
| 1848 strcpy(context, "<<global>>"); | |
| 1849 else | |
| 1850 sprintf(context, "<<%s>>", cntx); | |
| 1851 | |
| 1027 | 1852 if (search == NULL) |
| 7 | 1853 fprintf(f, "%s\t%s\t%s\n", fullname, slno, context); |
| 1854 else | |
| 1855 fprintf(f, "%s\t%s\t%s %s\n", fullname, slno, context, search); | |
| 1856 | |
| 1857 vim_free(context); | |
| 1858 vim_free(fullname); | |
| 1859 } /* for all matches */ | |
| 1860 | |
| 1861 (void)cs_read_prompt(i); | |
| 1862 | |
| 1863 } /* for all cscope connections */ | |
| 1864 vim_free(buf); | |
| 1865 } | |
| 636 | 1866 #endif |
| 7 | 1867 |
| 1868 /* | |
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1869 * Get parsed cscope output and calls cs_make_vim_style_matches to convert |
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1870 * into ctags format. |
| 297 | 1871 * When there are no matches sets "*matches_p" to NULL. |
| 7 | 1872 */ |
| 1873 static void | |
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1874 cs_fill_results( |
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1875 char *tagstr, |
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1876 int totmatches, |
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1877 int *nummatches_a, |
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1878 char ***matches_p, |
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1879 char ***cntxts_p, |
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1880 int *matched) |
| 7 | 1881 { |
| 1882 int i, j; | |
| 1883 char *buf; | |
| 1884 char *search, *slno; | |
| 1885 int totsofar = 0; | |
| 1886 char **matches = NULL; | |
| 1887 char **cntxts = NULL; | |
| 1888 char *fullname; | |
| 1889 char *cntx; | |
| 1890 | |
| 1891 assert(totmatches > 0); | |
| 1892 | |
| 1893 buf = (char *)alloc(CSREAD_BUFSIZE); | |
| 1894 if (buf == NULL) | |
| 1895 return; | |
| 1896 | |
| 1897 if ((matches = (char **)alloc(sizeof(char *) * totmatches)) == NULL) | |
| 1898 goto parse_out; | |
| 1899 if ((cntxts = (char **)alloc(sizeof(char *) * totmatches)) == NULL) | |
| 1900 goto parse_out; | |
| 1901 | |
| 1931 | 1902 for (i = 0; i < csinfo_size; i++) |
| 7 | 1903 { |
| 1904 if (nummatches_a[i] < 1) | |
| 1905 continue; | |
| 1906 | |
| 1907 for (j = 0; j < nummatches_a[i]; j++) | |
| 1908 { | |
| 1909 if ((fullname = cs_parse_results(i, buf, CSREAD_BUFSIZE, &cntx, | |
| 1910 &slno, &search)) == NULL) | |
| 1911 continue; | |
| 1912 | |
| 1913 matches[totsofar] = cs_make_vim_style_matches(fullname, slno, | |
| 1914 search, tagstr); | |
| 1915 | |
| 1916 vim_free(fullname); | |
| 1917 | |
| 1918 if (strcmp(cntx, "<global>") == 0) | |
| 1919 cntxts[totsofar] = NULL; | |
| 1920 else | |
| 1921 /* note: if vim_strsave returns NULL, then the context | |
| 1922 * will be "<global>", which is misleading. | |
| 1923 */ | |
| 1924 cntxts[totsofar] = (char *)vim_strsave((char_u *)cntx); | |
| 1925 | |
| 1926 if (matches[totsofar] != NULL) | |
| 1927 totsofar++; | |
| 1928 | |
| 1929 } /* for all matches */ | |
| 1930 | |
| 1931 (void)cs_read_prompt(i); | |
| 1932 | |
| 1933 } /* for all cscope connections */ | |
| 1934 | |
| 1935 parse_out: | |
| 297 | 1936 if (totsofar == 0) |
| 1937 { | |
| 1938 /* No matches, free the arrays and return NULL in "*matches_p". */ | |
| 1939 vim_free(matches); | |
| 1940 matches = NULL; | |
| 1941 vim_free(cntxts); | |
| 1942 cntxts = NULL; | |
| 1943 } | |
| 7 | 1944 *matched = totsofar; |
| 1945 *matches_p = matches; | |
| 1946 *cntxts_p = cntxts; | |
| 297 | 1947 |
| 7 | 1948 vim_free(buf); |
| 1949 } /* cs_fill_results */ | |
| 1950 | |
| 1951 | |
| 1952 /* get the requested path components */ | |
| 1953 static char * | |
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1954 cs_pathcomponents(char *path) |
| 7 | 1955 { |
| 1956 int i; | |
| 1957 char *s; | |
| 1958 | |
| 1959 if (p_cspc == 0) | |
| 1960 return path; | |
| 1961 | |
| 1962 s = path + strlen(path) - 1; | |
| 1963 for (i = 0; i < p_cspc; ++i) | |
| 1964 while (s > path && *--s != '/' | |
| 1965 #ifdef WIN32 | |
| 1966 && *--s != '\\' | |
| 1967 #endif | |
| 1968 ) | |
| 1969 ; | |
| 1970 if ((s > path && *s == '/') | |
| 1971 #ifdef WIN32 | |
| 1972 || (s > path && *s == '\\') | |
| 1973 #endif | |
| 1974 ) | |
| 1975 ++s; | |
| 1976 return s; | |
| 1977 } | |
| 1978 | |
| 1979 /* | |
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1980 * Called from cs_manage_matches(). |
| 7 | 1981 */ |
| 1982 static void | |
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1983 cs_print_tags_priv(char **matches, char **cntxts, int num_matches) |
| 7 | 1984 { |
| 1985 char *buf = NULL; | |
| 6596 | 1986 char *t_buf; |
| 7 | 1987 int bufsize = 0; /* Track available bufsize */ |
| 1988 int newsize = 0; | |
| 1989 char *ptag; | |
| 1990 char *fname, *lno, *extra, *tbuf; | |
| 1991 int i, idx, num; | |
| 1992 char *globalcntx = "GLOBAL"; | |
| 1993 char *cntxformat = " <<%s>>"; | |
| 1994 char *context; | |
| 1995 char *cstag_msg = _("Cscope tag: %s"); | |
| 1996 char *csfmt_str = "%4d %6s "; | |
| 1997 | |
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1998 assert(num_matches > 0); |
| 7 | 1999 |
| 835 | 2000 if ((tbuf = (char *)alloc((unsigned)strlen(matches[0]) + 1)) == NULL) |
| 7 | 2001 return; |
| 2002 | |
| 2003 strcpy(tbuf, matches[0]); | |
| 2004 ptag = strtok(tbuf, "\t"); | |
| 7009 | 2005 if (ptag == NULL) |
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2006 { |
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2007 vim_free(tbuf); |
| 7009 | 2008 return; |
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2009 } |
| 7 | 2010 |
| 835 | 2011 newsize = (int)(strlen(cstag_msg) + strlen(ptag)); |
| 7 | 2012 buf = (char *)alloc(newsize); |
| 2013 if (buf != NULL) | |
| 2014 { | |
| 2015 bufsize = newsize; | |
| 2016 (void)sprintf(buf, cstag_msg, ptag); | |
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2017 MSG_PUTS_ATTR(buf, HL_ATTR(HLF_T)); |
| 7 | 2018 } |
| 2019 | |
| 2020 vim_free(tbuf); | |
| 2021 | |
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2022 MSG_PUTS_ATTR(_("\n # line"), HL_ATTR(HLF_T)); /* strlen is 7 */ |
| 7 | 2023 msg_advance(msg_col + 2); |
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2024 MSG_PUTS_ATTR(_("filename / context / line\n"), HL_ATTR(HLF_T)); |
| 7 | 2025 |
| 2026 num = 1; | |
| 2027 for (i = 0; i < num_matches; i++) | |
| 2028 { | |
| 2029 idx = i; | |
| 2030 | |
| 2031 /* if we really wanted to, we could avoid this malloc and strcpy | |
| 2032 * by parsing matches[i] on the fly and placing stuff into buf | |
| 2033 * directly, but that's too much of a hassle | |
| 2034 */ | |
| 835 | 2035 if ((tbuf = (char *)alloc((unsigned)strlen(matches[idx]) + 1)) == NULL) |
| 7 | 2036 continue; |
| 2037 (void)strcpy(tbuf, matches[idx]); | |
| 2038 | |
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2039 if (strtok(tbuf, (const char *)"\t") == NULL |
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2040 || (fname = strtok(NULL, (const char *)"\t")) == NULL |
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2041 || (lno = strtok(NULL, (const char *)"\t")) == NULL) |
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2042 { |
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2043 vim_free(tbuf); |
| 7 | 2044 continue; |
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2045 } |
| 1078 | 2046 extra = strtok(NULL, (const char *)"\t"); |
| 7 | 2047 |
| 2048 lno[strlen(lno)-2] = '\0'; /* ignore ;" at the end */ | |
| 2049 | |
| 2050 /* hopefully 'num' (num of matches) will be less than 10^16 */ | |
| 835 | 2051 newsize = (int)(strlen(csfmt_str) + 16 + strlen(lno)); |
| 7 | 2052 if (bufsize < newsize) |
| 2053 { | |
| 6596 | 2054 t_buf = buf; |
| 7 | 2055 buf = (char *)vim_realloc(buf, newsize); |
| 2056 if (buf == NULL) | |
| 6596 | 2057 { |
| 7 | 2058 bufsize = 0; |
| 6596 | 2059 vim_free(t_buf); |
| 2060 } | |
| 7 | 2061 else |
| 2062 bufsize = newsize; | |
| 2063 } | |
| 2064 if (buf != NULL) | |
| 2065 { | |
| 2066 /* csfmt_str = "%4d %6s "; */ | |
| 2067 (void)sprintf(buf, csfmt_str, num, lno); | |
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2068 MSG_PUTS_ATTR(buf, HL_ATTR(HLF_CM)); |
| 7 | 2069 } |
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2070 MSG_PUTS_LONG_ATTR(cs_pathcomponents(fname), HL_ATTR(HLF_CM)); |
| 7 | 2071 |
| 2072 /* compute the required space for the context */ | |
| 2073 if (cntxts[idx] != NULL) | |
| 2074 context = cntxts[idx]; | |
| 2075 else | |
| 2076 context = globalcntx; | |
| 835 | 2077 newsize = (int)(strlen(context) + strlen(cntxformat)); |
| 7 | 2078 |
| 2079 if (bufsize < newsize) | |
| 2080 { | |
| 6596 | 2081 t_buf = buf; |
| 7 | 2082 buf = (char *)vim_realloc(buf, newsize); |
| 2083 if (buf == NULL) | |
| 6596 | 2084 { |
| 7 | 2085 bufsize = 0; |
| 6596 | 2086 vim_free(t_buf); |
| 2087 } | |
| 7 | 2088 else |
| 2089 bufsize = newsize; | |
| 2090 } | |
| 2091 if (buf != NULL) | |
| 2092 { | |
| 2093 (void)sprintf(buf, cntxformat, context); | |
| 2094 | |
| 2095 /* print the context only if it fits on the same line */ | |
| 2096 if (msg_col + (int)strlen(buf) >= (int)Columns) | |
| 2097 msg_putchar('\n'); | |
| 2098 msg_advance(12); | |
| 2099 MSG_PUTS_LONG(buf); | |
| 2100 msg_putchar('\n'); | |
| 2101 } | |
| 2102 if (extra != NULL) | |
| 2103 { | |
| 2104 msg_advance(13); | |
| 2105 MSG_PUTS_LONG(extra); | |
| 2106 } | |
| 2107 | |
| 2108 vim_free(tbuf); /* only after printing extra due to strtok use */ | |
| 2109 | |
| 2110 if (msg_col) | |
| 2111 msg_putchar('\n'); | |
| 2112 | |
| 2113 ui_breakcheck(); | |
| 2114 if (got_int) | |
| 2115 { | |
| 2116 got_int = FALSE; /* don't print any more matches */ | |
| 2117 break; | |
| 2118 } | |
| 2119 | |
| 2120 num++; | |
| 2121 } /* for all matches */ | |
| 2122 | |
| 2123 vim_free(buf); | |
| 2124 } /* cs_print_tags_priv */ | |
| 2125 | |
| 2126 | |
| 2127 /* | |
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|
2128 * Read a cscope prompt (basically, skip over the ">> "). |
| 7 | 2129 */ |
| 2130 static int | |
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2131 cs_read_prompt(int i) |
| 7 | 2132 { |
| 2133 int ch; | |
| 2134 char *buf = NULL; /* buffer for possible error message from cscope */ | |
| 2135 int bufpos = 0; | |
| 2136 char *cs_emsg; | |
| 2137 int maxlen; | |
| 2138 static char *eprompt = "Press the RETURN key to continue:"; | |
| 835 | 2139 int epromptlen = (int)strlen(eprompt); |
| 7 | 2140 int n; |
| 2141 | |
| 2142 cs_emsg = _("E609: Cscope error: %s"); | |
| 2143 /* compute maximum allowed len for Cscope error message */ | |
| 2144 maxlen = (int)(IOSIZE - strlen(cs_emsg)); | |
| 2145 | |
| 2146 for (;;) | |
| 2147 { | |
| 2148 while ((ch = getc(csinfo[i].fr_fp)) != EOF && ch != CSCOPE_PROMPT[0]) | |
| 2149 /* if there is room and char is printable */ | |
| 2150 if (bufpos < maxlen - 1 && vim_isprintc(ch)) | |
| 2151 { | |
| 2152 if (buf == NULL) /* lazy buffer allocation */ | |
| 2153 buf = (char *)alloc(maxlen); | |
| 2154 if (buf != NULL) | |
| 2155 { | |
| 2156 /* append character to the message */ | |
| 2157 buf[bufpos++] = ch; | |
| 2158 buf[bufpos] = NUL; | |
| 2159 if (bufpos >= epromptlen | |
| 2160 && strcmp(&buf[bufpos - epromptlen], eprompt) == 0) | |
| 2161 { | |
| 2162 /* remove eprompt from buf */ | |
| 2163 buf[bufpos - epromptlen] = NUL; | |
| 2164 | |
| 2165 /* print message to user */ | |
| 2166 (void)EMSG2(cs_emsg, buf); | |
| 2167 | |
| 2168 /* send RETURN to cscope */ | |
| 2169 (void)putc('\n', csinfo[i].to_fp); | |
| 2170 (void)fflush(csinfo[i].to_fp); | |
| 2171 | |
| 2172 /* clear buf */ | |
| 2173 bufpos = 0; | |
| 2174 buf[bufpos] = NUL; | |
| 2175 } | |
| 2176 } | |
| 2177 } | |
| 2178 | |
| 2179 for (n = 0; n < (int)strlen(CSCOPE_PROMPT); ++n) | |
| 2180 { | |
| 2181 if (n > 0) | |
| 2182 ch = getc(csinfo[i].fr_fp); | |
| 2183 if (ch == EOF) | |
| 2184 { | |
| 2185 PERROR("cs_read_prompt EOF"); | |
| 2186 if (buf != NULL && buf[0] != NUL) | |
| 2187 (void)EMSG2(cs_emsg, buf); | |
| 2188 else if (p_csverbose) | |
| 2189 cs_reading_emsg(i); /* don't have additional information */ | |
| 2190 cs_release_csp(i, TRUE); | |
| 2191 vim_free(buf); | |
| 2192 return CSCOPE_FAILURE; | |
| 2193 } | |
| 2194 | |
| 2195 if (ch != CSCOPE_PROMPT[n]) | |
| 2196 { | |
| 2197 ch = EOF; | |
| 2198 break; | |
| 2199 } | |
| 2200 } | |
| 2201 | |
| 2202 if (ch == EOF) | |
| 2203 continue; /* didn't find the prompt */ | |
| 2204 break; /* did find the prompt */ | |
| 2205 } | |
| 2206 | |
| 2207 vim_free(buf); | |
| 2208 return CSCOPE_SUCCESS; | |
| 2209 } | |
| 2210 | |
| 1566 | 2211 #if defined(UNIX) && defined(SIGALRM) |
| 2212 /* | |
| 2213 * Used to catch and ignore SIGALRM below. | |
| 2214 */ | |
| 2215 static RETSIGTYPE | |
| 2216 sig_handler SIGDEFARG(sigarg) | |
| 2217 { | |
| 2218 /* do nothing */ | |
| 2219 SIGRETURN; | |
| 2220 } | |
| 2221 #endif | |
| 7 | 2222 |
| 2223 /* | |
| 1385 | 2224 * Does the actual free'ing for the cs ptr with an optional flag of whether |
| 2225 * or not to free the filename. Called by cs_kill and cs_reset. | |
| 7 | 2226 */ |
| 2227 static void | |
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2228 cs_release_csp(int i, int freefnpp) |
| 7 | 2229 { |
| 2230 /* | |
| 2231 * Trying to exit normally (not sure whether it is fit to UNIX cscope | |
| 2232 */ | |
| 2233 if (csinfo[i].to_fp != NULL) | |
| 2234 { | |
| 2235 (void)fputs("q\n", csinfo[i].to_fp); | |
| 2236 (void)fflush(csinfo[i].to_fp); | |
| 2237 } | |
| 1566 | 2238 #if defined(UNIX) |
| 2239 { | |
| 1575 | 2240 int waitpid_errno; |
| 1566 | 2241 int pstat; |
| 2242 pid_t pid; | |
| 2243 | |
| 2244 # if defined(HAVE_SIGACTION) | |
| 2245 struct sigaction sa, old; | |
| 2246 | |
| 1568 | 2247 /* Use sigaction() to limit the waiting time to two seconds. */ |
| 2248 sigemptyset(&sa.sa_mask); | |
| 1566 | 2249 sa.sa_handler = sig_handler; |
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2250 # ifdef SA_NODEFER |
| 1566 | 2251 sa.sa_flags = SA_NODEFER; |
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2252 # else |
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2253 sa.sa_flags = 0; |
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2254 # endif |
| 1566 | 2255 sigaction(SIGALRM, &sa, &old); |
| 2256 alarm(2); /* 2 sec timeout */ | |
| 2257 | |
| 2258 /* Block until cscope exits or until timer expires */ | |
| 2259 pid = waitpid(csinfo[i].pid, &pstat, 0); | |
| 1575 | 2260 waitpid_errno = errno; |
| 1566 | 2261 |
| 2262 /* cancel pending alarm if still there and restore signal */ | |
| 2263 alarm(0); | |
| 2264 sigaction(SIGALRM, &old, NULL); | |
| 2265 # else | |
| 2266 int waited; | |
| 2267 | |
| 2268 /* Can't use sigaction(), loop for two seconds. First yield the CPU | |
| 2269 * to give cscope a chance to exit quickly. */ | |
| 2270 sleep(0); | |
| 2271 for (waited = 0; waited < 40; ++waited) | |
| 2272 { | |
| 2273 pid = waitpid(csinfo[i].pid, &pstat, WNOHANG); | |
| 1575 | 2274 waitpid_errno = errno; |
| 1566 | 2275 if (pid != 0) |
| 2276 break; /* break unless the process is still running */ | |
| 1578 | 2277 mch_delay(50L, FALSE); /* sleep 50 ms */ |
| 1566 | 2278 } |
| 2279 # endif | |
| 2280 /* | |
| 2281 * If the cscope process is still running: kill it. | |
| 2282 * Safety check: If the PID would be zero here, the entire X session | |
| 2283 * would be killed. -1 and 1 are dangerous as well. | |
| 2284 */ | |
| 2285 if (pid < 0 && csinfo[i].pid > 1) | |
| 2286 { | |
| 1575 | 2287 # ifdef ECHILD |
| 2288 int alive = TRUE; | |
| 2289 | |
| 2290 if (waitpid_errno == ECHILD) | |
| 2291 { | |
| 2292 /* | |
| 2293 * When using 'vim -g', vim is forked and cscope process is | |
| 2294 * no longer a child process but a sibling. So waitpid() | |
| 2295 * fails with errno being ECHILD (No child processes). | |
| 2296 * Don't send SIGKILL to cscope immediately but wait | |
| 2297 * (polling) for it to exit normally as result of sending | |
| 2298 * the "q" command, hence giving it a chance to clean up | |
| 2299 * its temporary files. | |
| 2300 */ | |
| 2301 int waited; | |
| 2302 | |
| 2303 sleep(0); | |
| 2304 for (waited = 0; waited < 40; ++waited) | |
| 2305 { | |
| 2306 /* Check whether cscope process is still alive */ | |
| 2307 if (kill(csinfo[i].pid, 0) != 0) | |
| 2308 { | |
| 2309 alive = FALSE; /* cscope process no longer exists */ | |
| 2310 break; | |
| 2311 } | |
| 1578 | 2312 mch_delay(50L, FALSE); /* sleep 50ms */ |
| 1575 | 2313 } |
| 2314 } | |
| 2315 if (alive) | |
| 2316 # endif | |
| 2317 { | |
| 2318 kill(csinfo[i].pid, SIGKILL); | |
| 2319 (void)waitpid(csinfo[i].pid, &pstat, 0); | |
| 2320 } | |
| 1566 | 2321 } |
| 2322 } | |
| 2323 #else /* !UNIX */ | |
| 1385 | 2324 if (csinfo[i].hProc != NULL) |
| 2325 { | |
| 2326 /* Give cscope a chance to exit normally */ | |
| 2327 if (WaitForSingleObject(csinfo[i].hProc, 1000) == WAIT_TIMEOUT) | |
| 2328 TerminateProcess(csinfo[i].hProc, 0); | |
| 2329 CloseHandle(csinfo[i].hProc); | |
| 2330 } | |
| 7 | 2331 #endif |
| 2332 | |
| 2333 if (csinfo[i].fr_fp != NULL) | |
| 2334 (void)fclose(csinfo[i].fr_fp); | |
| 2335 if (csinfo[i].to_fp != NULL) | |
| 2336 (void)fclose(csinfo[i].to_fp); | |
| 2337 | |
| 2338 if (freefnpp) | |
| 2339 { | |
| 2340 vim_free(csinfo[i].fname); | |
| 2341 vim_free(csinfo[i].ppath); | |
| 2342 vim_free(csinfo[i].flags); | |
| 2343 } | |
| 2344 | |
| 2345 clear_csinfo(i); | |
| 2346 } /* cs_release_csp */ | |
| 2347 | |
| 2348 | |
| 2349 /* | |
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2350 * Calls cs_kill on all cscope connections then reinits. |
| 7 | 2351 */ |
| 2352 static int | |
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2353 cs_reset(exarg_T *eap UNUSED) |
| 7 | 2354 { |
| 2355 char **dblist = NULL, **pplist = NULL, **fllist = NULL; | |
| 2356 int i; | |
| 273 | 2357 char buf[20]; /* for sprintf " (#%d)" */ |
| 7 | 2358 |
| 1931 | 2359 if (csinfo_size == 0) |
| 2360 return CSCOPE_SUCCESS; | |
| 2361 | |
| 7 | 2362 /* malloc our db and ppath list */ |
| 1931 | 2363 dblist = (char **)alloc(csinfo_size * sizeof(char *)); |
| 2364 pplist = (char **)alloc(csinfo_size * sizeof(char *)); | |
| 2365 fllist = (char **)alloc(csinfo_size * sizeof(char *)); | |
| 7 | 2366 if (dblist == NULL || pplist == NULL || fllist == NULL) |
| 2367 { | |
| 2368 vim_free(dblist); | |
| 2369 vim_free(pplist); | |
| 2370 vim_free(fllist); | |
| 2371 return CSCOPE_FAILURE; | |
| 2372 } | |
| 2373 | |
| 1931 | 2374 for (i = 0; i < csinfo_size; i++) |
| 7 | 2375 { |
| 2376 dblist[i] = csinfo[i].fname; | |
| 2377 pplist[i] = csinfo[i].ppath; | |
| 2378 fllist[i] = csinfo[i].flags; | |
| 2379 if (csinfo[i].fname != NULL) | |
| 2380 cs_release_csp(i, FALSE); | |
| 2381 } | |
| 2382 | |
| 2383 /* rebuild the cscope connection list */ | |
| 1931 | 2384 for (i = 0; i < csinfo_size; i++) |
| 7 | 2385 { |
| 2386 if (dblist[i] != NULL) | |
| 2387 { | |
| 2388 cs_add_common(dblist[i], pplist[i], fllist[i]); | |
| 2389 if (p_csverbose) | |
| 2390 { | |
| 1372 | 2391 /* don't use smsg_attr() because we want to display the |
| 7 | 2392 * connection number in the same line as |
| 2393 * "Added cscope database..." | |
| 2394 */ | |
| 2395 sprintf(buf, " (#%d)", i); | |
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2396 MSG_PUTS_ATTR(buf, HL_ATTR(HLF_R)); |
| 7 | 2397 } |
| 2398 } | |
| 2399 vim_free(dblist[i]); | |
| 2400 vim_free(pplist[i]); | |
| 2401 vim_free(fllist[i]); | |
| 2402 } | |
| 2403 vim_free(dblist); | |
| 2404 vim_free(pplist); | |
| 2405 vim_free(fllist); | |
| 2406 | |
| 2407 if (p_csverbose) | |
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2408 MSG_ATTR(_("All cscope databases reset"), HL_ATTR(HLF_R) | MSG_HIST); |
| 7 | 2409 return CSCOPE_SUCCESS; |
| 2410 } /* cs_reset */ | |
| 2411 | |
| 2412 | |
| 2413 /* | |
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2414 * Construct the full pathname to a file found in the cscope database. |
| 7 | 2415 * (Prepends ppath, if there is one and if it's not already prepended, |
| 2416 * otherwise just uses the name found.) | |
| 2417 * | |
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2418 * We need to prepend the prefix because on some cscope's (e.g., the one that |
| 7 | 2419 * ships with Solaris 2.6), the output never has the prefix prepended. |
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2420 * Contrast this with my development system (Digital Unix), which does. |
| 7 | 2421 */ |
| 2422 static char * | |
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|
2423 cs_resolve_file(int i, char *name) |
| 7 | 2424 { |
| 2873 | 2425 char *fullname; |
| 2426 int len; | |
| 2427 char_u *csdir = NULL; | |
| 7 | 2428 |
| 2429 /* | |
| 2873 | 2430 * Ppath is freed when we destroy the cscope connection. |
| 2431 * Fullname is freed after cs_make_vim_style_matches, after it's been | |
| 2432 * copied into the tag buffer used by Vim. | |
| 7 | 2433 */ |
| 835 | 2434 len = (int)(strlen(name) + 2); |
| 7 | 2435 if (csinfo[i].ppath != NULL) |
| 835 | 2436 len += (int)strlen(csinfo[i].ppath); |
| 2873 | 2437 else if (p_csre && csinfo[i].fname != NULL) |
| 2438 { | |
| 2439 /* If 'cscoperelative' is set and ppath is not set, use cscope.out | |
| 2440 * path in path resolution. */ | |
| 2441 csdir = alloc(MAXPATHL); | |
| 2442 if (csdir != NULL) | |
| 2443 { | |
| 2444 vim_strncpy(csdir, (char_u *)csinfo[i].fname, | |
|
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2445 gettail((char_u *)csinfo[i].fname) |
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2446 - (char_u *)csinfo[i].fname); |
| 2873 | 2447 len += (int)STRLEN(csdir); |
| 2448 } | |
| 2449 } | |
| 7 | 2450 |
| 2873 | 2451 /* Note/example: this won't work if the cscope output already starts |
| 7 | 2452 * "../.." and the prefix path is also "../..". if something like this |
| 2873 | 2453 * happens, you are screwed up and need to fix how you're using cscope. */ |
| 2454 if (csinfo[i].ppath != NULL | |
| 2455 && (strncmp(name, csinfo[i].ppath, strlen(csinfo[i].ppath)) != 0) | |
| 2456 && (name[0] != '/') | |
| 7 | 2457 #ifdef WIN32 |
| 2873 | 2458 && name[0] != '\\' && name[1] != ':' |
| 7 | 2459 #endif |
| 2873 | 2460 ) |
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2461 { |
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2462 if ((fullname = (char *)alloc(len)) != NULL) |
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2463 (void)sprintf(fullname, "%s/%s", csinfo[i].ppath, name); |
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2464 } |
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2465 else if (csdir != NULL && csinfo[i].fname != NULL && *csdir != NUL) |
| 2873 | 2466 { |
| 2467 /* Check for csdir to be non empty to avoid empty path concatenated to | |
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2468 * cscope output. */ |
| 2875 | 2469 fullname = (char *)concat_fnames(csdir, (char_u *)name, TRUE); |
| 2873 | 2470 } |
| 7 | 2471 else |
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2472 { |
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2473 fullname = (char *)vim_strsave((char_u *)name); |
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2474 } |
| 7 | 2475 |
| 2873 | 2476 vim_free(csdir); |
| 7 | 2477 return fullname; |
| 2873 | 2478 } |
| 7 | 2479 |
| 2480 | |
| 2481 /* | |
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2482 * Show all cscope connections. |
| 7 | 2483 */ |
| 2484 static int | |
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2485 cs_show(exarg_T *eap UNUSED) |
| 7 | 2486 { |
| 2487 short i; | |
| 2488 if (cs_cnt_connections() == 0) | |
| 2489 MSG_PUTS(_("no cscope connections\n")); | |
| 2490 else | |
| 2491 { | |
| 2492 MSG_PUTS_ATTR( | |
| 2493 _(" # pid database name prepend path\n"), | |
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2494 HL_ATTR(HLF_T)); |
| 1931 | 2495 for (i = 0; i < csinfo_size; i++) |
| 7 | 2496 { |
| 2497 if (csinfo[i].fname == NULL) | |
| 2498 continue; | |
| 2499 | |
| 2500 if (csinfo[i].ppath != NULL) | |
| 2501 (void)smsg((char_u *)"%2d %-5ld %-34s %-32s", | |
| 2502 i, (long)csinfo[i].pid, csinfo[i].fname, csinfo[i].ppath); | |
| 2503 else | |
| 2504 (void)smsg((char_u *)"%2d %-5ld %-34s <none>", | |
| 2505 i, (long)csinfo[i].pid, csinfo[i].fname); | |
| 2506 } | |
| 2507 } | |
| 2508 | |
| 2509 wait_return(TRUE); | |
| 2510 return CSCOPE_SUCCESS; | |
| 2511 } /* cs_show */ | |
| 2512 | |
| 1385 | 2513 |
| 2514 /* | |
| 2515 * Only called when VIM exits to quit any cscope sessions. | |
| 2516 */ | |
| 2517 void | |
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2518 cs_end(void) |
| 1385 | 2519 { |
| 2520 int i; | |
| 2521 | |
| 1931 | 2522 for (i = 0; i < csinfo_size; i++) |
| 1385 | 2523 cs_release_csp(i, TRUE); |
| 1931 | 2524 vim_free(csinfo); |
| 2525 csinfo_size = 0; | |
| 1385 | 2526 } |
| 2527 | |
| 7 | 2528 #endif /* FEAT_CSCOPE */ |
| 2529 | |
| 2530 /* the end */ |