Mercurial > vim
annotate src/if_cscope.c @ 17980:52f23198af7f v8.1.1986
patch 8.1.1986: more functions can be used as methods
Commit: https://github.com/vim/vim/commit/a5a7882ea4a21944924b778208e1d54734891033
Author: Bram Moolenaar <Bram@vim.org>
Date: Wed Sep 4 21:57:18 2019 +0200
patch 8.1.1986: more functions can be used as methods
Problem: More functions can be used as methods.
Solution: Make textprop functions usable as a method.
author | Bram Moolenaar <Bram@vim.org> |
---|---|
date | Wed, 04 Sep 2019 22:00:03 +0200 |
parents | 46f95606b9ec |
children | 5c8906f653f5 |
rev | line source |
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commit https://github.com/vim/vim/commit/edf3f97ae2af024708ebb4ac614227327033ca47
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1 /* vi:set ts=8 sts=4 sw=4 noet: |
7 | 2 * |
3 * CSCOPE support for Vim added by Andy Kahn <kahn@zk3.dec.com> | |
148 | 4 * Ported to Win32 by Sergey Khorev <sergey.khorev@gmail.com> |
7 | 5 * |
6 * The basic idea/structure of cscope for Vim was borrowed from Nvi. There | |
7 * might be a few lines of code that look similar to what Nvi has. | |
8 * | |
9 * See README.txt for an overview of the Vim source code. | |
10 */ | |
11 | |
12 #include "vim.h" | |
13 | |
14 #if defined(FEAT_CSCOPE) || defined(PROTO) | |
15 | |
16 #include <sys/types.h> | |
17 #include <sys/stat.h> | |
18 #if defined(UNIX) | |
19 # include <sys/wait.h> | |
20 #endif | |
21 #include "if_cscope.h" | |
22 | |
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23 static int cs_add(exarg_T *eap); |
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24 static int cs_add_common(char *, char *, char *); |
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25 static int cs_check_for_connections(void); |
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26 static int cs_check_for_tags(void); |
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27 static int cs_cnt_connections(void); |
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28 static int cs_create_connection(int i); |
636 | 29 #ifdef FEAT_QUICKFIX |
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30 static void cs_file_results(FILE *, int *); |
636 | 31 #endif |
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32 static void cs_fill_results(char *, int , int *, char ***, |
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33 char ***, int *); |
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34 static int cs_find(exarg_T *eap); |
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35 static int cs_find_common(char *opt, char *pat, int, int, int, char_u *cmdline); |
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36 static int cs_help(exarg_T *eap); |
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37 static int cs_insert_filelist(char *, char *, char *, |
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38 stat_T *); |
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39 static int cs_kill(exarg_T *eap); |
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40 static void cs_kill_execute(int, char *); |
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41 static cscmd_T * cs_lookup_cmd(exarg_T *eap); |
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42 static char * cs_make_vim_style_matches(char *, char *, |
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43 char *, char *); |
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44 static char * cs_manage_matches(char **, char **, int, mcmd_e); |
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45 static void cs_print_tags_priv(char **, char **, int); |
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46 static int cs_read_prompt(int); |
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47 static void cs_release_csp(int, int freefnpp); |
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48 static int cs_reset(exarg_T *eap); |
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49 static char * cs_resolve_file(int, char *); |
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50 static int cs_show(exarg_T *eap); |
7 | 51 |
52 | |
1931 | 53 static csinfo_T * csinfo = NULL; |
54 static int csinfo_size = 0; /* number of items allocated in | |
55 csinfo[] */ | |
56 | |
1372 | 57 static int eap_arg_len; /* length of eap->arg, set in |
58 cs_lookup_cmd() */ | |
7 | 59 static cscmd_T cs_cmds[] = |
60 { | |
61 { "add", cs_add, | |
62 N_("Add a new database"), "add file|dir [pre-path] [flags]", 0 }, | |
63 { "find", cs_find, | |
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64 N_("Query for a pattern"), "find a|c|d|e|f|g|i|s|t name", 1 }, |
7 | 65 { "help", cs_help, |
66 N_("Show this message"), "help", 0 }, | |
67 { "kill", cs_kill, | |
68 N_("Kill a connection"), "kill #", 0 }, | |
69 { "reset", cs_reset, | |
70 N_("Reinit all connections"), "reset", 0 }, | |
71 { "show", cs_show, | |
72 N_("Show connections"), "show", 0 }, | |
1880 | 73 { NULL, NULL, NULL, NULL, 0 } |
7 | 74 }; |
75 | |
76 static void | |
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77 cs_usage_msg(csid_e x) |
7 | 78 { |
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79 (void)semsg(_("E560: Usage: cs[cope] %s"), cs_cmds[(int)x].usage); |
7 | 80 } |
81 | |
1845 | 82 static enum |
83 { | |
84 EXP_CSCOPE_SUBCMD, /* expand ":cscope" sub-commands */ | |
1858 | 85 EXP_SCSCOPE_SUBCMD, /* expand ":scscope" sub-commands */ |
1845 | 86 EXP_CSCOPE_FIND, /* expand ":cscope find" arguments */ |
87 EXP_CSCOPE_KILL /* expand ":cscope kill" arguments */ | |
88 } expand_what; | |
89 | |
90 /* | |
91 * Function given to ExpandGeneric() to obtain the cscope command | |
92 * expansion. | |
93 */ | |
94 char_u * | |
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95 get_cscope_name(expand_T *xp UNUSED, int idx) |
1845 | 96 { |
1858 | 97 int current_idx; |
98 int i; | |
99 | |
1845 | 100 switch (expand_what) |
101 { | |
102 case EXP_CSCOPE_SUBCMD: | |
103 /* Complete with sub-commands of ":cscope": | |
104 * add, find, help, kill, reset, show */ | |
105 return (char_u *)cs_cmds[idx].name; | |
1858 | 106 case EXP_SCSCOPE_SUBCMD: |
107 /* Complete with sub-commands of ":scscope": same sub-commands as | |
108 * ":cscope" but skip commands which don't support split windows */ | |
109 for (i = 0, current_idx = 0; cs_cmds[i].name != NULL; i++) | |
110 if (cs_cmds[i].cansplit) | |
111 if (current_idx++ == idx) | |
112 break; | |
113 return (char_u *)cs_cmds[i].name; | |
1845 | 114 case EXP_CSCOPE_FIND: |
115 { | |
116 const char *query_type[] = | |
117 { | |
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118 "a", "c", "d", "e", "f", "g", "i", "s", "t", NULL |
1845 | 119 }; |
120 | |
121 /* Complete with query type of ":cscope find {query_type}". | |
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122 * {query_type} can be letters (c, d, ... a) or numbers (0, 1, |
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123 * ..., 9) but only complete with letters, since numbers are |
1845 | 124 * redundant. */ |
125 return (char_u *)query_type[idx]; | |
126 } | |
127 case EXP_CSCOPE_KILL: | |
128 { | |
1931 | 129 static char connection[5]; |
1845 | 130 |
131 /* ":cscope kill" accepts connection numbers or partial names of | |
132 * the pathname of the cscope database as argument. Only complete | |
133 * with connection numbers. -1 can also be used to kill all | |
134 * connections. */ | |
1931 | 135 for (i = 0, current_idx = 0; i < csinfo_size; i++) |
1845 | 136 { |
137 if (csinfo[i].fname == NULL) | |
138 continue; | |
139 if (current_idx++ == idx) | |
140 { | |
1931 | 141 vim_snprintf(connection, sizeof(connection), "%d", i); |
142 return (char_u *)connection; | |
1845 | 143 } |
144 } | |
145 return (current_idx == idx && idx > 0) ? (char_u *)"-1" : NULL; | |
146 } | |
147 default: | |
148 return NULL; | |
149 } | |
150 } | |
151 | |
152 /* | |
153 * Handle command line completion for :cscope command. | |
154 */ | |
155 void | |
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156 set_context_in_cscope_cmd( |
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157 expand_T *xp, |
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158 char_u *arg, |
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159 cmdidx_T cmdidx) |
1845 | 160 { |
161 char_u *p; | |
162 | |
163 /* Default: expand subcommands */ | |
164 xp->xp_context = EXPAND_CSCOPE; | |
165 xp->xp_pattern = arg; | |
1858 | 166 expand_what = (cmdidx == CMD_scscope) |
167 ? EXP_SCSCOPE_SUBCMD : EXP_CSCOPE_SUBCMD; | |
1845 | 168 |
169 /* (part of) subcommand already typed */ | |
170 if (*arg != NUL) | |
171 { | |
172 p = skiptowhite(arg); | |
173 if (*p != NUL) /* past first word */ | |
174 { | |
175 xp->xp_pattern = skipwhite(p); | |
176 if (*skiptowhite(xp->xp_pattern) != NUL) | |
177 xp->xp_context = EXPAND_NOTHING; | |
178 else if (STRNICMP(arg, "add", p - arg) == 0) | |
179 xp->xp_context = EXPAND_FILES; | |
180 else if (STRNICMP(arg, "kill", p - arg) == 0) | |
181 expand_what = EXP_CSCOPE_KILL; | |
182 else if (STRNICMP(arg, "find", p - arg) == 0) | |
183 expand_what = EXP_CSCOPE_FIND; | |
184 else | |
185 xp->xp_context = EXPAND_NOTHING; | |
186 } | |
187 } | |
188 } | |
189 | |
7 | 190 /* |
1845 | 191 * Find the command, print help if invalid, and then call the corresponding |
192 * command function. | |
7 | 193 */ |
194 static void | |
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195 do_cscope_general( |
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196 exarg_T *eap, |
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197 int make_split UNUSED) /* whether to split window */ |
7 | 198 { |
199 cscmd_T *cmdp; | |
200 | |
201 if ((cmdp = cs_lookup_cmd(eap)) == NULL) | |
202 { | |
203 cs_help(eap); | |
204 return; | |
205 } | |
206 | |
207 if (make_split) | |
208 { | |
209 if (!cmdp->cansplit) | |
210 { | |
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211 (void)msg_puts(_("This cscope command does not support splitting the window.\n")); |
7 | 212 return; |
213 } | |
214 postponed_split = -1; | |
215 postponed_split_flags = cmdmod.split; | |
1090 | 216 postponed_split_tab = cmdmod.tab; |
7 | 217 } |
218 | |
219 cmdp->func(eap); | |
220 | |
221 postponed_split_flags = 0; | |
1090 | 222 postponed_split_tab = 0; |
7 | 223 } |
224 | |
225 /* | |
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226 * Implementation of ":cscope" and ":lcscope" |
7 | 227 */ |
228 void | |
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229 ex_cscope(exarg_T *eap) |
7 | 230 { |
231 do_cscope_general(eap, FALSE); | |
232 } | |
233 | |
234 /* | |
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235 * Implementation of ":scscope". Same as ex_cscope(), but splits window, too. |
7 | 236 */ |
237 void | |
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238 ex_scscope(exarg_T *eap) |
7 | 239 { |
240 do_cscope_general(eap, TRUE); | |
241 } | |
242 | |
243 /* | |
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244 * Implementation of ":cstag" |
7 | 245 */ |
246 void | |
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247 ex_cstag(exarg_T *eap) |
7 | 248 { |
249 int ret = FALSE; | |
250 | |
1621 | 251 if (*eap->arg == NUL) |
7 | 252 { |
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253 (void)emsg(_("E562: Usage: cstag <ident>")); |
7 | 254 return; |
255 } | |
256 | |
257 switch (p_csto) | |
258 { | |
259 case 0 : | |
260 if (cs_check_for_connections()) | |
261 { | |
665 | 262 ret = cs_find_common("g", (char *)(eap->arg), eap->forceit, FALSE, |
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263 FALSE, *eap->cmdlinep); |
7 | 264 if (ret == FALSE) |
265 { | |
266 cs_free_tags(); | |
267 if (msg_col) | |
268 msg_putchar('\n'); | |
269 | |
270 if (cs_check_for_tags()) | |
271 ret = do_tag(eap->arg, DT_JUMP, 0, eap->forceit, FALSE); | |
272 } | |
273 } | |
274 else if (cs_check_for_tags()) | |
275 { | |
276 ret = do_tag(eap->arg, DT_JUMP, 0, eap->forceit, FALSE); | |
277 } | |
278 break; | |
279 case 1 : | |
280 if (cs_check_for_tags()) | |
281 { | |
282 ret = do_tag(eap->arg, DT_JUMP, 0, eap->forceit, FALSE); | |
283 if (ret == FALSE) | |
284 { | |
285 if (msg_col) | |
286 msg_putchar('\n'); | |
287 | |
288 if (cs_check_for_connections()) | |
289 { | |
290 ret = cs_find_common("g", (char *)(eap->arg), eap->forceit, | |
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291 FALSE, FALSE, *eap->cmdlinep); |
7 | 292 if (ret == FALSE) |
293 cs_free_tags(); | |
294 } | |
295 } | |
296 } | |
297 else if (cs_check_for_connections()) | |
298 { | |
665 | 299 ret = cs_find_common("g", (char *)(eap->arg), eap->forceit, FALSE, |
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300 FALSE, *eap->cmdlinep); |
7 | 301 if (ret == FALSE) |
302 cs_free_tags(); | |
303 } | |
304 break; | |
305 default : | |
306 break; | |
307 } | |
308 | |
309 if (!ret) | |
310 { | |
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311 (void)emsg(_("E257: cstag: tag not found")); |
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312 #if defined(FEAT_QUICKFIX) |
7 | 313 g_do_tagpreview = 0; |
314 #endif | |
315 } | |
316 | |
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317 } |
7 | 318 |
319 | |
320 /* | |
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321 * This simulates a vim_fgets(), but for cscope, returns the next line |
7 | 322 * from the cscope output. should only be called from find_tags() |
323 * | |
324 * returns TRUE if eof, FALSE otherwise | |
325 */ | |
326 int | |
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327 cs_fgets(char_u *buf, int size) |
7 | 328 { |
329 char *p; | |
330 | |
331 if ((p = cs_manage_matches(NULL, NULL, -1, Get)) == NULL) | |
332 return TRUE; | |
1372 | 333 vim_strncpy(buf, (char_u *)p, size - 1); |
7 | 334 |
335 return FALSE; | |
336 } /* cs_fgets */ | |
337 | |
338 | |
339 /* | |
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340 * Called only from do_tag(), when popping the tag stack. |
7 | 341 */ |
342 void | |
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343 cs_free_tags(void) |
7 | 344 { |
345 cs_manage_matches(NULL, NULL, -1, Free); | |
346 } | |
347 | |
348 | |
349 /* | |
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350 * Called from do_tag(). |
7 | 351 */ |
352 void | |
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353 cs_print_tags(void) |
7 | 354 { |
355 cs_manage_matches(NULL, NULL, -1, Print); | |
356 } | |
357 | |
358 | |
359 /* | |
360 * "cscope_connection([{num} , {dbpath} [, {prepend}]])" function | |
361 * | |
362 * Checks for the existence of a |cscope| connection. If no | |
363 * parameters are specified, then the function returns: | |
364 * | |
365 * 0, if cscope was not available (not compiled in), or if there | |
366 * are no cscope connections; or | |
367 * 1, if there is at least one cscope connection. | |
368 * | |
369 * If parameters are specified, then the value of {num} | |
370 * determines how existence of a cscope connection is checked: | |
371 * | |
372 * {num} Description of existence check | |
373 * ----- ------------------------------ | |
374 * 0 Same as no parameters (e.g., "cscope_connection()"). | |
375 * 1 Ignore {prepend}, and use partial string matches for | |
376 * {dbpath}. | |
377 * 2 Ignore {prepend}, and use exact string matches for | |
378 * {dbpath}. | |
379 * 3 Use {prepend}, use partial string matches for both | |
380 * {dbpath} and {prepend}. | |
381 * 4 Use {prepend}, use exact string matches for both | |
382 * {dbpath} and {prepend}. | |
383 * | |
384 * Note: All string comparisons are case sensitive! | |
385 */ | |
386 #if defined(FEAT_EVAL) || defined(PROTO) | |
387 int | |
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388 cs_connection(int num, char_u *dbpath, char_u *ppath) |
7 | 389 { |
390 int i; | |
391 | |
392 if (num < 0 || num > 4 || (num > 0 && !dbpath)) | |
393 return FALSE; | |
394 | |
1931 | 395 for (i = 0; i < csinfo_size; i++) |
7 | 396 { |
397 if (!csinfo[i].fname) | |
398 continue; | |
399 | |
400 if (num == 0) | |
401 return TRUE; | |
402 | |
403 switch (num) | |
404 { | |
405 case 1: | |
406 if (strstr(csinfo[i].fname, (char *)dbpath)) | |
407 return TRUE; | |
408 break; | |
409 case 2: | |
410 if (strcmp(csinfo[i].fname, (char *)dbpath) == 0) | |
411 return TRUE; | |
412 break; | |
413 case 3: | |
414 if (strstr(csinfo[i].fname, (char *)dbpath) | |
415 && ((!ppath && !csinfo[i].ppath) | |
416 || (ppath | |
417 && csinfo[i].ppath | |
418 && strstr(csinfo[i].ppath, (char *)ppath)))) | |
419 return TRUE; | |
420 break; | |
421 case 4: | |
422 if ((strcmp(csinfo[i].fname, (char *)dbpath) == 0) | |
423 && ((!ppath && !csinfo[i].ppath) | |
424 || (ppath | |
425 && csinfo[i].ppath | |
426 && (strcmp(csinfo[i].ppath, (char *)ppath) == 0)))) | |
427 return TRUE; | |
428 break; | |
429 } | |
430 } | |
431 | |
432 return FALSE; | |
433 } /* cs_connection */ | |
434 #endif | |
435 | |
436 | |
437 /* | |
438 * PRIVATE functions | |
439 ****************************************************************************/ | |
440 | |
441 /* | |
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442 * Add cscope database or a directory name (to look for cscope.out) |
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443 * to the cscope connection list. |
7 | 444 */ |
445 static int | |
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446 cs_add(exarg_T *eap UNUSED) |
7 | 447 { |
448 char *fname, *ppath, *flags = NULL; | |
449 | |
450 if ((fname = strtok((char *)NULL, (const char *)" ")) == NULL) | |
451 { | |
452 cs_usage_msg(Add); | |
453 return CSCOPE_FAILURE; | |
454 } | |
455 if ((ppath = strtok((char *)NULL, (const char *)" ")) != NULL) | |
456 flags = strtok((char *)NULL, (const char *)" "); | |
457 | |
458 return cs_add_common(fname, ppath, flags); | |
459 } | |
460 | |
461 static void | |
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462 cs_stat_emsg(char *fname) |
7 | 463 { |
464 char *stat_emsg = _("E563: stat(%s) error: %d"); | |
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465 char *buf = alloc(strlen(stat_emsg) + MAXPATHL + 10); |
7 | 466 |
467 if (buf != NULL) | |
468 { | |
469 (void)sprintf(buf, stat_emsg, fname, errno); | |
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470 (void)emsg(buf); |
7 | 471 vim_free(buf); |
472 } | |
473 else | |
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474 (void)emsg(_("E563: stat error")); |
7 | 475 } |
476 | |
477 | |
478 /* | |
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479 * The common routine to add a new cscope connection. Called by |
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480 * cs_add() and cs_reset(). I really don't like to do this, but this |
7 | 481 * routine uses a number of goto statements. |
482 */ | |
483 static int | |
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484 cs_add_common( |
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485 char *arg1, /* filename - may contain environment variables */ |
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486 char *arg2, /* prepend path - may contain environment variables */ |
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487 char *flags) |
7 | 488 { |
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489 stat_T statbuf; |
12 | 490 int ret; |
491 char *fname = NULL; | |
492 char *fname2 = NULL; | |
493 char *ppath = NULL; | |
494 int i; | |
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495 int len; |
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496 int usedlen = 0; |
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497 char_u *fbuf = NULL; |
7 | 498 |
499 /* get the filename (arg1), expand it, and try to stat it */ | |
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500 if ((fname = alloc(MAXPATHL + 1)) == NULL) |
7 | 501 goto add_err; |
502 | |
503 expand_env((char_u *)arg1, (char_u *)fname, MAXPATHL); | |
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504 len = (int)STRLEN(fname); |
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505 fbuf = (char_u *)fname; |
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diff
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506 (void)modify_fname((char_u *)":p", FALSE, &usedlen, |
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507 (char_u **)&fname, &fbuf, &len); |
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508 if (fname == NULL) |
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509 goto add_err; |
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510 fname = (char *)vim_strnsave((char_u *)fname, len); |
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changeset
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511 vim_free(fbuf); |
17966
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changeset
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512 |
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513 ret = mch_stat(fname, &statbuf); |
7 | 514 if (ret < 0) |
515 { | |
516 staterr: | |
517 if (p_csverbose) | |
518 cs_stat_emsg(fname); | |
519 goto add_err; | |
520 } | |
521 | |
522 /* get the prepend path (arg2), expand it, and try to stat it */ | |
523 if (arg2 != NULL) | |
524 { | |
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525 stat_T statbuf2; |
7 | 526 |
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changeset
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527 if ((ppath = alloc(MAXPATHL + 1)) == NULL) |
7 | 528 goto add_err; |
529 | |
530 expand_env((char_u *)arg2, (char_u *)ppath, MAXPATHL); | |
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changeset
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531 ret = mch_stat(ppath, &statbuf2); |
7 | 532 if (ret < 0) |
533 goto staterr; | |
534 } | |
535 | |
536 /* if filename is a directory, append the cscope database name to it */ | |
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changeset
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537 if (S_ISDIR(statbuf.st_mode)) |
7 | 538 { |
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changeset
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539 fname2 = alloc(strlen(CSCOPE_DBFILE) + strlen(fname) + 2); |
7 | 540 if (fname2 == NULL) |
541 goto add_err; | |
542 | |
543 while (fname[strlen(fname)-1] == '/' | |
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diff
changeset
|
544 #ifdef MSWIN |
7 | 545 || fname[strlen(fname)-1] == '\\' |
546 #endif | |
547 ) | |
548 { | |
549 fname[strlen(fname)-1] = '\0'; | |
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550 if (fname[0] == '\0') |
7 | 551 break; |
552 } | |
553 if (fname[0] == '\0') | |
554 (void)sprintf(fname2, "/%s", CSCOPE_DBFILE); | |
555 else | |
556 (void)sprintf(fname2, "%s/%s", fname, CSCOPE_DBFILE); | |
557 | |
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558 ret = mch_stat(fname2, &statbuf); |
7 | 559 if (ret < 0) |
560 { | |
561 if (p_csverbose) | |
562 cs_stat_emsg(fname2); | |
563 goto add_err; | |
564 } | |
565 | |
566 i = cs_insert_filelist(fname2, ppath, flags, &statbuf); | |
567 } | |
568 else if (S_ISREG(statbuf.st_mode) || S_ISLNK(statbuf.st_mode)) | |
569 { | |
570 i = cs_insert_filelist(fname, ppath, flags, &statbuf); | |
571 } | |
572 else | |
573 { | |
574 if (p_csverbose) | |
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changeset
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575 (void)semsg( |
7 | 576 _("E564: %s is not a directory or a valid cscope database"), |
577 fname); | |
578 goto add_err; | |
579 } | |
580 | |
581 if (i != -1) | |
582 { | |
583 if (cs_create_connection(i) == CSCOPE_FAILURE | |
584 || cs_read_prompt(i) == CSCOPE_FAILURE) | |
585 { | |
586 cs_release_csp(i, TRUE); | |
587 goto add_err; | |
588 } | |
589 | |
590 if (p_csverbose) | |
591 { | |
592 msg_clr_eos(); | |
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diff
changeset
|
593 (void)smsg_attr(HL_ATTR(HLF_R), |
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changeset
|
594 _("Added cscope database %s"), |
7 | 595 csinfo[i].fname); |
596 } | |
597 } | |
598 | |
599 vim_free(fname); | |
600 vim_free(fname2); | |
601 vim_free(ppath); | |
602 return CSCOPE_SUCCESS; | |
603 | |
604 add_err: | |
605 vim_free(fname2); | |
606 vim_free(fname); | |
607 vim_free(ppath); | |
608 return CSCOPE_FAILURE; | |
609 } /* cs_add_common */ | |
610 | |
611 | |
612 static int | |
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changeset
|
613 cs_check_for_connections(void) |
7 | 614 { |
615 return (cs_cnt_connections() > 0); | |
616 } /* cs_check_for_connections */ | |
617 | |
618 | |
619 static int | |
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diff
changeset
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620 cs_check_for_tags(void) |
7 | 621 { |
301 | 622 return (p_tags[0] != NUL && curbuf->b_p_tags != NULL); |
7 | 623 } /* cs_check_for_tags */ |
624 | |
625 | |
626 /* | |
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changeset
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627 * Count the number of cscope connections. |
7 | 628 */ |
629 static int | |
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diff
changeset
|
630 cs_cnt_connections(void) |
7 | 631 { |
632 short i; | |
633 short cnt = 0; | |
634 | |
1931 | 635 for (i = 0; i < csinfo_size; i++) |
7 | 636 { |
637 if (csinfo[i].fname != NULL) | |
638 cnt++; | |
639 } | |
640 return cnt; | |
641 } /* cs_cnt_connections */ | |
642 | |
643 static void | |
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|
644 cs_reading_emsg( |
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diff
changeset
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645 int idx) /* connection index */ |
7 | 646 { |
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647 semsg(_("E262: error reading cscope connection %d"), idx); |
7 | 648 } |
649 | |
650 #define CSREAD_BUFSIZE 2048 | |
651 /* | |
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commit https://github.com/vim/vim/commit/d4db7719bdfbc54df396eac08d8cbb2389feacf4
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changeset
|
652 * Count the number of matches for a given cscope connection. |
7 | 653 */ |
654 static int | |
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diff
changeset
|
655 cs_cnt_matches(int idx) |
7 | 656 { |
657 char *stok; | |
658 char *buf; | |
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659 int nlines = 0; |
7 | 660 |
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|
661 buf = alloc(CSREAD_BUFSIZE); |
7 | 662 if (buf == NULL) |
663 return 0; | |
664 for (;;) | |
665 { | |
666 if (!fgets(buf, CSREAD_BUFSIZE, csinfo[idx].fr_fp)) | |
667 { | |
668 if (feof(csinfo[idx].fr_fp)) | |
669 errno = EIO; | |
670 | |
671 cs_reading_emsg(idx); | |
672 | |
673 vim_free(buf); | |
674 return -1; | |
675 } | |
676 | |
677 /* | |
678 * If the database is out of date, or there's some other problem, | |
679 * cscope will output error messages before the number-of-lines output. | |
680 * Display/discard any output that doesn't match what we want. | |
1058 | 681 * Accept "\S*cscope: X lines", also matches "mlcscope". |
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diff
changeset
|
682 * Bail out for the "Unable to search" error. |
7 | 683 */ |
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parents:
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diff
changeset
|
684 if (strstr((const char *)buf, "Unable to search database") != NULL) |
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|
685 break; |
7 | 686 if ((stok = strtok(buf, (const char *)" ")) == NULL) |
687 continue; | |
1058 | 688 if (strstr((const char *)stok, "cscope:") == NULL) |
7 | 689 continue; |
690 | |
691 if ((stok = strtok(NULL, (const char *)" ")) == NULL) | |
692 continue; | |
693 nlines = atoi(stok); | |
694 if (nlines < 0) | |
695 { | |
696 nlines = 0; | |
697 break; | |
698 } | |
699 | |
700 if ((stok = strtok(NULL, (const char *)" ")) == NULL) | |
701 continue; | |
702 if (strncmp((const char *)stok, "lines", 5)) | |
703 continue; | |
704 | |
705 break; | |
706 } | |
707 | |
708 vim_free(buf); | |
709 return nlines; | |
710 } /* cs_cnt_matches */ | |
711 | |
712 | |
713 /* | |
714 * Creates the actual cscope command query from what the user entered. | |
715 */ | |
716 static char * | |
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changeset
|
717 cs_create_cmd(char *csoption, char *pattern) |
7 | 718 { |
719 char *cmd; | |
720 short search; | |
1847 | 721 char *pat; |
7 | 722 |
723 switch (csoption[0]) | |
724 { | |
725 case '0' : case 's' : | |
726 search = 0; | |
727 break; | |
728 case '1' : case 'g' : | |
729 search = 1; | |
730 break; | |
731 case '2' : case 'd' : | |
732 search = 2; | |
733 break; | |
734 case '3' : case 'c' : | |
735 search = 3; | |
736 break; | |
737 case '4' : case 't' : | |
738 search = 4; | |
739 break; | |
740 case '6' : case 'e' : | |
741 search = 6; | |
742 break; | |
743 case '7' : case 'f' : | |
744 search = 7; | |
745 break; | |
746 case '8' : case 'i' : | |
747 search = 8; | |
748 break; | |
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749 case '9' : case 'a' : |
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750 search = 9; |
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751 break; |
7 | 752 default : |
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753 (void)emsg(_("E561: unknown cscope search type")); |
7 | 754 cs_usage_msg(Find); |
755 return NULL; | |
756 } | |
757 | |
1847 | 758 /* Skip white space before the patter, except for text and pattern search, |
759 * they may want to use the leading white space. */ | |
760 pat = pattern; | |
761 if (search != 4 && search != 6) | |
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762 while VIM_ISWHITE(*pat) |
1847 | 763 ++pat; |
764 | |
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765 if ((cmd = alloc(strlen(pat) + 2)) == NULL) |
7 | 766 return NULL; |
767 | |
1847 | 768 (void)sprintf(cmd, "%d%s", search, pat); |
7 | 769 |
770 return cmd; | |
771 } /* cs_create_cmd */ | |
772 | |
773 | |
774 /* | |
775 * This piece of code was taken/adapted from nvi. do we need to add | |
776 * the BSD license notice? | |
777 */ | |
778 static int | |
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779 cs_create_connection(int i) |
7 | 780 { |
1385 | 781 #ifdef UNIX |
782 int to_cs[2], from_cs[2]; | |
783 #endif | |
784 int len; | |
785 char *prog, *cmd, *ppath = NULL; | |
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786 #ifdef MSWIN |
1385 | 787 int fd; |
788 SECURITY_ATTRIBUTES sa; | |
789 PROCESS_INFORMATION pi; | |
790 STARTUPINFO si; | |
791 BOOL pipe_stdin = FALSE, pipe_stdout = FALSE; | |
792 HANDLE stdin_rd, stdout_rd; | |
793 HANDLE stdout_wr, stdin_wr; | |
794 BOOL created; | |
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795 # if (defined(_MSC_VER) && (_MSC_VER >= 1300)) || defined(__MINGW32__) |
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diff
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796 # define OPEN_OH_ARGTYPE intptr_t |
1393 | 797 # else |
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798 # define OPEN_OH_ARGTYPE long |
1393 | 799 # endif |
7 | 800 #endif |
801 | |
1385 | 802 #if defined(UNIX) |
7 | 803 /* |
804 * Cscope reads from to_cs[0] and writes to from_cs[1]; vi reads from | |
805 * from_cs[0] and writes to to_cs[1]. | |
806 */ | |
807 to_cs[0] = to_cs[1] = from_cs[0] = from_cs[1] = -1; | |
808 if (pipe(to_cs) < 0 || pipe(from_cs) < 0) | |
809 { | |
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810 (void)emsg(_("E566: Could not create cscope pipes")); |
7 | 811 err_closing: |
812 if (to_cs[0] != -1) | |
813 (void)close(to_cs[0]); | |
814 if (to_cs[1] != -1) | |
815 (void)close(to_cs[1]); | |
816 if (from_cs[0] != -1) | |
817 (void)close(from_cs[0]); | |
818 if (from_cs[1] != -1) | |
819 (void)close(from_cs[1]); | |
820 return CSCOPE_FAILURE; | |
821 } | |
822 | |
823 switch (csinfo[i].pid = fork()) | |
824 { | |
825 case -1: | |
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826 (void)emsg(_("E622: Could not fork for cscope")); |
7 | 827 goto err_closing; |
828 case 0: /* child: run cscope. */ | |
829 if (dup2(to_cs[0], STDIN_FILENO) == -1) | |
830 PERROR("cs_create_connection 1"); | |
831 if (dup2(from_cs[1], STDOUT_FILENO) == -1) | |
832 PERROR("cs_create_connection 2"); | |
833 if (dup2(from_cs[1], STDERR_FILENO) == -1) | |
834 PERROR("cs_create_connection 3"); | |
835 | |
836 /* close unused */ | |
837 (void)close(to_cs[1]); | |
838 (void)close(from_cs[0]); | |
839 #else | |
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840 /* MSWIN */ |
1385 | 841 /* Create pipes to communicate with cscope */ |
842 sa.nLength = sizeof(SECURITY_ATTRIBUTES); | |
843 sa.bInheritHandle = TRUE; | |
844 sa.lpSecurityDescriptor = NULL; | |
845 | |
846 if (!(pipe_stdin = CreatePipe(&stdin_rd, &stdin_wr, &sa, 0)) | |
847 || !(pipe_stdout = CreatePipe(&stdout_rd, &stdout_wr, &sa, 0))) | |
848 { | |
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849 (void)emsg(_("E566: Could not create cscope pipes")); |
1385 | 850 err_closing: |
851 if (pipe_stdin) | |
852 { | |
853 CloseHandle(stdin_rd); | |
854 CloseHandle(stdin_wr); | |
855 } | |
856 if (pipe_stdout) | |
857 { | |
858 CloseHandle(stdout_rd); | |
859 CloseHandle(stdout_wr); | |
860 } | |
861 return CSCOPE_FAILURE; | |
862 } | |
7 | 863 #endif |
864 /* expand the cscope exec for env var's */ | |
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865 if ((prog = alloc(MAXPATHL + 1)) == NULL) |
7 | 866 { |
867 #ifdef UNIX | |
868 return CSCOPE_FAILURE; | |
869 #else | |
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changeset
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870 /* MSWIN */ |
7 | 871 goto err_closing; |
872 #endif | |
873 } | |
874 expand_env((char_u *)p_csprg, (char_u *)prog, MAXPATHL); | |
875 | |
876 /* alloc space to hold the cscope command */ | |
835 | 877 len = (int)(strlen(prog) + strlen(csinfo[i].fname) + 32); |
7 | 878 if (csinfo[i].ppath) |
879 { | |
880 /* expand the prepend path for env var's */ | |
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changeset
|
881 if ((ppath = alloc(MAXPATHL + 1)) == NULL) |
7 | 882 { |
883 vim_free(prog); | |
884 #ifdef UNIX | |
885 return CSCOPE_FAILURE; | |
886 #else | |
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diff
changeset
|
887 /* MSWIN */ |
7 | 888 goto err_closing; |
889 #endif | |
890 } | |
891 expand_env((char_u *)csinfo[i].ppath, (char_u *)ppath, MAXPATHL); | |
892 | |
835 | 893 len += (int)strlen(ppath); |
7 | 894 } |
895 | |
896 if (csinfo[i].flags) | |
835 | 897 len += (int)strlen(csinfo[i].flags); |
7 | 898 |
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|
899 if ((cmd = alloc(len)) == NULL) |
7 | 900 { |
901 vim_free(prog); | |
902 vim_free(ppath); | |
903 #ifdef UNIX | |
904 return CSCOPE_FAILURE; | |
905 #else | |
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diff
changeset
|
906 /* MSWIN */ |
7 | 907 goto err_closing; |
908 #endif | |
909 } | |
910 | |
911 /* run the cscope command; is there execl for non-unix systems? */ | |
912 #if defined(UNIX) | |
913 (void)sprintf(cmd, "exec %s -dl -f %s", prog, csinfo[i].fname); | |
914 #else | |
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diff
changeset
|
915 /* MSWIN */ |
7 | 916 (void)sprintf(cmd, "%s -dl -f %s", prog, csinfo[i].fname); |
917 #endif | |
918 if (csinfo[i].ppath != NULL) | |
919 { | |
920 (void)strcat(cmd, " -P"); | |
921 (void)strcat(cmd, csinfo[i].ppath); | |
922 } | |
923 if (csinfo[i].flags != NULL) | |
924 { | |
925 (void)strcat(cmd, " "); | |
926 (void)strcat(cmd, csinfo[i].flags); | |
927 } | |
928 # ifdef UNIX | |
929 /* on Win32 we still need prog */ | |
930 vim_free(prog); | |
931 # endif | |
932 vim_free(ppath); | |
933 | |
934 #if defined(UNIX) | |
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|
935 # if defined(HAVE_SETSID) || defined(HAVE_SETPGID) |
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changeset
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936 /* Change our process group to avoid cscope receiving SIGWINCH. */ |
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changeset
|
937 # if defined(HAVE_SETSID) |
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changeset
|
938 (void)setsid(); |
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939 # else |
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changeset
|
940 if (setpgid(0, 0) == -1) |
d2f9f67924e7
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941 PERROR(_("cs_create_connection setpgid failed")); |
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942 # endif |
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943 # endif |
1878 | 944 if (execl("/bin/sh", "sh", "-c", cmd, (char *)NULL) == -1) |
7 | 945 PERROR(_("cs_create_connection exec failed")); |
946 | |
947 exit(127); | |
948 /* NOTREACHED */ | |
949 default: /* parent. */ | |
950 /* | |
951 * Save the file descriptors for later duplication, and | |
952 * reopen as streams. | |
953 */ | |
954 if ((csinfo[i].to_fp = fdopen(to_cs[1], "w")) == NULL) | |
955 PERROR(_("cs_create_connection: fdopen for to_fp failed")); | |
956 if ((csinfo[i].fr_fp = fdopen(from_cs[0], "r")) == NULL) | |
957 PERROR(_("cs_create_connection: fdopen for fr_fp failed")); | |
958 | |
959 /* close unused */ | |
960 (void)close(to_cs[0]); | |
961 (void)close(from_cs[1]); | |
962 | |
963 break; | |
964 } | |
1385 | 965 |
7 | 966 #else |
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changeset
|
967 /* MSWIN */ |
1385 | 968 /* Create a new process to run cscope and use pipes to talk with it */ |
969 GetStartupInfo(&si); | |
970 si.dwFlags = STARTF_USESTDHANDLES | STARTF_USESHOWWINDOW; | |
971 si.wShowWindow = SW_HIDE; /* Hide child application window */ | |
972 si.hStdOutput = stdout_wr; | |
973 si.hStdError = stdout_wr; | |
974 si.hStdInput = stdin_rd; | |
975 created = CreateProcess(NULL, cmd, NULL, NULL, TRUE, CREATE_NEW_CONSOLE, | |
976 NULL, NULL, &si, &pi); | |
977 vim_free(prog); | |
978 vim_free(cmd); | |
979 | |
980 if (!created) | |
981 { | |
982 PERROR(_("cs_create_connection exec failed")); | |
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changeset
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983 (void)emsg(_("E623: Could not spawn cscope process")); |
1385 | 984 goto err_closing; |
985 } | |
986 /* else */ | |
987 csinfo[i].pid = pi.dwProcessId; | |
988 csinfo[i].hProc = pi.hProcess; | |
989 CloseHandle(pi.hThread); | |
990 | |
991 /* TODO - tidy up after failure to create files on pipe handles. */ | |
1393 | 992 if (((fd = _open_osfhandle((OPEN_OH_ARGTYPE)stdin_wr, |
993 _O_TEXT|_O_APPEND)) < 0) | |
1385 | 994 || ((csinfo[i].to_fp = _fdopen(fd, "w")) == NULL)) |
995 PERROR(_("cs_create_connection: fdopen for to_fp failed")); | |
1393 | 996 if (((fd = _open_osfhandle((OPEN_OH_ARGTYPE)stdout_rd, |
997 _O_TEXT|_O_RDONLY)) < 0) | |
1385 | 998 || ((csinfo[i].fr_fp = _fdopen(fd, "r")) == NULL)) |
999 PERROR(_("cs_create_connection: fdopen for fr_fp failed")); | |
1000 | |
1001 /* Close handles for file descriptors inherited by the cscope process */ | |
1002 CloseHandle(stdin_rd); | |
1003 CloseHandle(stdout_wr); | |
1004 | |
1005 #endif /* !UNIX */ | |
1006 | |
7 | 1007 return CSCOPE_SUCCESS; |
1008 } /* cs_create_connection */ | |
1009 | |
1010 | |
1011 /* | |
7009 | 1012 * Query cscope using command line interface. Parse the output and use tselect |
1013 * to allow choices. Like Nvi, creates a pipe to send to/from query/cscope. | |
7 | 1014 * |
1015 * returns TRUE if we jump to a tag or abort, FALSE if not. | |
1016 */ | |
1017 static int | |
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diff
changeset
|
1018 cs_find(exarg_T *eap) |
7 | 1019 { |
1020 char *opt, *pat; | |
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1021 int i; |
7 | 1022 |
1023 if (cs_check_for_connections() == FALSE) | |
1024 { | |
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changeset
|
1025 (void)emsg(_("E567: no cscope connections")); |
7 | 1026 return FALSE; |
1027 } | |
1028 | |
1029 if ((opt = strtok((char *)NULL, (const char *)" ")) == NULL) | |
1030 { | |
1031 cs_usage_msg(Find); | |
1032 return FALSE; | |
1033 } | |
1034 | |
1035 pat = opt + strlen(opt) + 1; | |
1372 | 1036 if (pat >= (char *)eap->arg + eap_arg_len) |
7 | 1037 { |
1038 cs_usage_msg(Find); | |
1039 return FALSE; | |
1040 } | |
1041 | |
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1042 /* |
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1043 * Let's replace the NULs written by strtok() with spaces - we need the |
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1044 * spaces to correctly display the quickfix/location list window's title. |
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1045 */ |
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1046 for (i = 0; i < eap_arg_len; ++i) |
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1047 if (NUL == eap->arg[i]) |
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1048 eap->arg[i] = ' '; |
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1049 |
665 | 1050 return cs_find_common(opt, pat, eap->forceit, TRUE, |
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1051 eap->cmdidx == CMD_lcscope, *eap->cmdlinep); |
7 | 1052 } /* cs_find */ |
1053 | |
1054 | |
1055 /* | |
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1056 * Common code for cscope find, shared by cs_find() and ex_cstag(). |
7 | 1057 */ |
1058 static int | |
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1059 cs_find_common( |
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1060 char *opt, |
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1061 char *pat, |
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1062 int forceit, |
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1063 int verbose, |
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1064 int use_ll UNUSED, |
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1065 char_u *cmdline UNUSED) |
7 | 1066 { |
1067 int i; | |
1068 char *cmd; | |
1931 | 1069 int *nummatches; |
1070 int totmatches; | |
7 | 1071 #ifdef FEAT_QUICKFIX |
1072 char cmdletter; | |
1073 char *qfpos; | |
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1074 |
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1075 /* get cmd letter */ |
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1076 switch (opt[0]) |
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1077 { |
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1078 case '0' : |
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1079 cmdletter = 's'; |
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1080 break; |
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1081 case '1' : |
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1082 cmdletter = 'g'; |
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1083 break; |
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1084 case '2' : |
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1085 cmdletter = 'd'; |
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1086 break; |
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1087 case '3' : |
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1088 cmdletter = 'c'; |
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1089 break; |
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1090 case '4' : |
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1091 cmdletter = 't'; |
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1092 break; |
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1093 case '6' : |
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1094 cmdletter = 'e'; |
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1095 break; |
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1096 case '7' : |
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1097 cmdletter = 'f'; |
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1098 break; |
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1099 case '8' : |
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1100 cmdletter = 'i'; |
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1101 break; |
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1102 case '9' : |
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1103 cmdletter = 'a'; |
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1104 break; |
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1105 default : |
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1106 cmdletter = opt[0]; |
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1107 } |
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1108 |
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1109 qfpos = (char *)vim_strchr(p_csqf, cmdletter); |
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1110 if (qfpos != NULL) |
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1111 { |
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1112 qfpos++; |
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1113 /* next symbol must be + or - */ |
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1114 if (strchr(CSQF_FLAGS, *qfpos) == NULL) |
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1115 { |
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1116 char *nf = _("E469: invalid cscopequickfix flag %c for %c"); |
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1117 char *buf = alloc(strlen(nf)); |
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1118 |
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1119 /* strlen will be enough because we use chars */ |
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1120 if (buf != NULL) |
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1121 { |
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1122 sprintf(buf, nf, *qfpos, *(qfpos-1)); |
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1123 (void)emsg(buf); |
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1124 vim_free(buf); |
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1125 } |
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1126 return FALSE; |
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1127 } |
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1128 |
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1129 if (*qfpos != '0' |
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1130 && apply_autocmds(EVENT_QUICKFIXCMDPRE, (char_u *)"cscope", |
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1131 curbuf->b_fname, TRUE, curbuf)) |
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1132 { |
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1133 # ifdef FEAT_EVAL |
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1134 if (aborting()) |
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1135 return FALSE; |
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1136 # endif |
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1137 } |
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1138 } |
7 | 1139 #endif |
1140 | |
1141 /* create the actual command to send to cscope */ | |
1142 cmd = cs_create_cmd(opt, pat); | |
1143 if (cmd == NULL) | |
1144 return FALSE; | |
1145 | |
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1146 nummatches = ALLOC_MULT(int, csinfo_size); |
1931 | 1147 if (nummatches == NULL) |
7009 | 1148 { |
1149 vim_free(cmd); | |
1931 | 1150 return FALSE; |
7009 | 1151 } |
1931 | 1152 |
4352 | 1153 /* Send query to all open connections, then count the total number |
1154 * of matches so we can alloc all in one swell foop. */ | |
1931 | 1155 for (i = 0; i < csinfo_size; i++) |
7 | 1156 nummatches[i] = 0; |
1157 totmatches = 0; | |
1931 | 1158 for (i = 0; i < csinfo_size; i++) |
7 | 1159 { |
1040 | 1160 if (csinfo[i].fname == NULL || csinfo[i].to_fp == NULL) |
7 | 1161 continue; |
1162 | |
1163 /* send cmd to cscope */ | |
1164 (void)fprintf(csinfo[i].to_fp, "%s\n", cmd); | |
1165 (void)fflush(csinfo[i].to_fp); | |
1166 | |
1167 nummatches[i] = cs_cnt_matches(i); | |
1168 | |
1169 if (nummatches[i] > -1) | |
1170 totmatches += nummatches[i]; | |
1171 | |
1172 if (nummatches[i] == 0) | |
1173 (void)cs_read_prompt(i); | |
1174 } | |
1175 vim_free(cmd); | |
1176 | |
1177 if (totmatches == 0) | |
1178 { | |
1179 char *nf = _("E259: no matches found for cscope query %s of %s"); | |
1180 char *buf; | |
1181 | |
1182 if (!verbose) | |
1931 | 1183 { |
1184 vim_free(nummatches); | |
7 | 1185 return FALSE; |
1931 | 1186 } |
7 | 1187 |
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1188 buf = alloc(strlen(opt) + strlen(pat) + strlen(nf)); |
7 | 1189 if (buf == NULL) |
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1190 (void)emsg(nf); |
7 | 1191 else |
1192 { | |
1193 sprintf(buf, nf, opt, pat); | |
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1194 (void)emsg(buf); |
7 | 1195 vim_free(buf); |
1196 } | |
1931 | 1197 vim_free(nummatches); |
7 | 1198 return FALSE; |
1199 } | |
1200 | |
1201 #ifdef FEAT_QUICKFIX | |
36 | 1202 if (qfpos != NULL && *qfpos != '0' && totmatches > 0) |
7 | 1203 { |
1204 /* fill error list */ | |
1027 | 1205 FILE *f; |
6721 | 1206 char_u *tmp = vim_tempname('c', TRUE); |
665 | 1207 qf_info_T *qi = NULL; |
1208 win_T *wp = NULL; | |
7 | 1209 |
531 | 1210 f = mch_fopen((char *)tmp, "w"); |
1027 | 1211 if (f == NULL) |
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1212 semsg(_(e_notopen), tmp); |
1027 | 1213 else |
7 | 1214 { |
1027 | 1215 cs_file_results(f, nummatches); |
1216 fclose(f); | |
1217 if (use_ll) /* Use location list */ | |
1218 wp = curwin; | |
1219 /* '-' starts a new error list */ | |
1220 if (qf_init(wp, tmp, (char_u *)"%f%*\\t%l%*\\t%m", | |
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1221 *qfpos == '-', cmdline, NULL) > 0) |
1027 | 1222 { |
1223 if (postponed_split != 0) | |
1224 { | |
7009 | 1225 (void)win_split(postponed_split > 0 ? postponed_split : 0, |
7 | 1226 postponed_split_flags); |
2583 | 1227 RESET_BINDING(curwin); |
1027 | 1228 postponed_split = 0; |
1229 } | |
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1230 |
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1231 apply_autocmds(EVENT_QUICKFIXCMDPOST, (char_u *)"cscope", |
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1232 curbuf->b_fname, TRUE, curbuf); |
1027 | 1233 if (use_ll) |
1234 /* | |
1235 * In the location list window, use the displayed location | |
1236 * list. Otherwise, use the location list for the window. | |
1237 */ | |
1238 qi = (bt_quickfix(wp->w_buffer) && wp->w_llist_ref != NULL) | |
1239 ? wp->w_llist_ref : wp->w_llist; | |
1240 qf_jump(qi, 0, 0, forceit); | |
1241 } | |
7 | 1242 } |
1243 mch_remove(tmp); | |
1244 vim_free(tmp); | |
1931 | 1245 vim_free(nummatches); |
7 | 1246 return TRUE; |
1247 } | |
1248 else | |
1249 #endif /* FEAT_QUICKFIX */ | |
1250 { | |
944 | 1251 char **matches = NULL, **contexts = NULL; |
1252 int matched = 0; | |
1253 | |
7 | 1254 /* read output */ |
1255 cs_fill_results((char *)pat, totmatches, nummatches, &matches, | |
1256 &contexts, &matched); | |
1931 | 1257 vim_free(nummatches); |
7 | 1258 if (matches == NULL) |
1259 return FALSE; | |
1260 | |
293 | 1261 (void)cs_manage_matches(matches, contexts, matched, Store); |
7 | 1262 |
1263 return do_tag((char_u *)pat, DT_CSCOPE, 0, forceit, verbose); | |
1264 } | |
1265 | |
1266 } /* cs_find_common */ | |
1267 | |
1268 /* | |
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|
1269 * Print help. |
7 | 1270 */ |
1271 static int | |
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|
1272 cs_help(exarg_T *eap UNUSED) |
7 | 1273 { |
1274 cscmd_T *cmdp = cs_cmds; | |
1275 | |
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1276 (void)msg_puts(_("cscope commands:\n")); |
7 | 1277 while (cmdp->name != NULL) |
1278 { | |
1793 | 1279 char *help = _(cmdp->help); |
1280 int space_cnt = 30 - vim_strsize((char_u *)help); | |
1281 | |
1282 /* Use %*s rather than %30s to ensure proper alignment in utf-8 */ | |
1283 if (space_cnt < 0) | |
1284 space_cnt = 0; | |
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1285 (void)smsg(_("%-5s: %s%*s (Usage: %s)"), |
1793 | 1286 cmdp->name, |
1287 help, space_cnt, " ", | |
1288 cmdp->usage); | |
7 | 1289 if (strcmp(cmdp->name, "find") == 0) |
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1290 msg_puts(_("\n" |
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1291 " a: Find assignments to this symbol\n" |
1706 | 1292 " c: Find functions calling this function\n" |
1293 " d: Find functions called by this function\n" | |
1294 " e: Find this egrep pattern\n" | |
1295 " f: Find this file\n" | |
1296 " g: Find this definition\n" | |
1297 " i: Find files #including this file\n" | |
1298 " s: Find this C symbol\n" | |
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1299 " t: Find this text string\n")); |
1706 | 1300 |
7 | 1301 cmdp++; |
1302 } | |
1303 | |
1304 wait_return(TRUE); | |
1305 return 0; | |
1306 } /* cs_help */ | |
1307 | |
1308 | |
1309 static void | |
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|
1310 clear_csinfo(int i) |
7 | 1311 { |
1312 csinfo[i].fname = NULL; | |
1313 csinfo[i].ppath = NULL; | |
1314 csinfo[i].flags = NULL; | |
1315 #if defined(UNIX) | |
1316 csinfo[i].st_dev = (dev_t)0; | |
1317 csinfo[i].st_ino = (ino_t)0; | |
1318 #else | |
1319 csinfo[i].nVolume = 0; | |
1320 csinfo[i].nIndexHigh = 0; | |
1321 csinfo[i].nIndexLow = 0; | |
1322 #endif | |
1621 | 1323 csinfo[i].pid = 0; |
7 | 1324 csinfo[i].fr_fp = NULL; |
1325 csinfo[i].to_fp = NULL; | |
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1326 #if defined(MSWIN) |
301 | 1327 csinfo[i].hProc = NULL; |
1328 #endif | |
7 | 1329 } |
1330 | |
1331 #ifndef UNIX | |
1332 static char * | |
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1333 GetWin32Error(void) |
7 | 1334 { |
1335 char *msg = NULL; | |
1336 FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER|FORMAT_MESSAGE_FROM_SYSTEM, | |
1337 NULL, GetLastError(), 0, (LPSTR)&msg, 0, NULL); | |
1338 if (msg != NULL) | |
1339 { | |
1340 /* remove trailing \r\n */ | |
1341 char *pcrlf = strstr(msg, "\r\n"); | |
1342 if (pcrlf != NULL) | |
1343 *pcrlf = '\0'; | |
1344 } | |
1345 return msg; | |
1346 } | |
1347 #endif | |
323 | 1348 |
7 | 1349 /* |
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1350 * Insert a new cscope database filename into the filelist. |
7 | 1351 */ |
1352 static int | |
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1353 cs_insert_filelist( |
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1354 char *fname, |
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1355 char *ppath, |
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1356 char *flags, |
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1357 stat_T *sb UNUSED) |
7 | 1358 { |
1359 short i, j; | |
1360 #ifndef UNIX | |
1361 BY_HANDLE_FILE_INFORMATION bhfi; | |
1362 | |
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1363 switch (win32_fileinfo((char_u *)fname, &bhfi)) |
7 | 1364 { |
2793 | 1365 case FILEINFO_ENC_FAIL: /* enc_to_utf16() failed */ |
1366 case FILEINFO_READ_FAIL: /* CreateFile() failed */ | |
7 | 1367 if (p_csverbose) |
1368 { | |
1369 char *cant_msg = _("E625: cannot open cscope database: %s"); | |
1370 char *winmsg = GetWin32Error(); | |
1371 | |
1372 if (winmsg != NULL) | |
1373 { | |
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1374 (void)semsg(cant_msg, winmsg); |
7 | 1375 LocalFree(winmsg); |
1376 } | |
1377 else | |
1378 /* subst filename if can't get error text */ | |
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1379 (void)semsg(cant_msg, fname); |
7 | 1380 } |
1381 return -1; | |
2793 | 1382 |
1383 case FILEINFO_INFO_FAIL: /* GetFileInformationByHandle() failed */ | |
7 | 1384 if (p_csverbose) |
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1385 (void)emsg(_("E626: cannot get cscope database information")); |
7 | 1386 return -1; |
1387 } | |
1388 #endif | |
1389 | |
1390 i = -1; /* can be set to the index of an empty item in csinfo */ | |
1931 | 1391 for (j = 0; j < csinfo_size; j++) |
7 | 1392 { |
1393 if (csinfo[j].fname != NULL | |
1394 #if defined(UNIX) | |
1395 && csinfo[j].st_dev == sb->st_dev && csinfo[j].st_ino == sb->st_ino | |
1396 #else | |
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1397 // compare pathnames first |
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1398 && ((fullpathcmp((char_u *)csinfo[j].fname, |
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1399 (char_u *)fname, FALSE, TRUE) & FPC_SAME) |
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1400 // test index file attributes too |
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1401 || (csinfo[j].nVolume == bhfi.dwVolumeSerialNumber |
7 | 1402 && csinfo[j].nIndexHigh == bhfi.nFileIndexHigh |
1403 && csinfo[j].nIndexLow == bhfi.nFileIndexLow)) | |
1404 #endif | |
1405 ) | |
1406 { | |
1407 if (p_csverbose) | |
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1408 (void)emsg(_("E568: duplicate cscope database not added")); |
7 | 1409 return -1; |
1410 } | |
1411 | |
1412 if (csinfo[j].fname == NULL && i == -1) | |
1413 i = j; /* remember first empty entry */ | |
1414 } | |
1415 | |
1416 if (i == -1) | |
1417 { | |
1931 | 1418 i = csinfo_size; |
1419 if (csinfo_size == 0) | |
1420 { | |
1421 /* First time allocation: allocate only 1 connection. It should | |
1422 * be enough for most users. If more is needed, csinfo will be | |
1423 * reallocated. */ | |
1424 csinfo_size = 1; | |
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1425 csinfo = ALLOC_CLEAR_ONE(csinfo_T); |
1931 | 1426 } |
1427 else | |
1428 { | |
6596 | 1429 csinfo_T *t_csinfo = csinfo; |
1430 | |
1931 | 1431 /* Reallocate space for more connections. */ |
1432 csinfo_size *= 2; | |
1433 csinfo = vim_realloc(csinfo, sizeof(csinfo_T)*csinfo_size); | |
6596 | 1434 if (csinfo == NULL) |
1435 { | |
1436 vim_free(t_csinfo); | |
1437 csinfo_size = 0; | |
1438 } | |
1931 | 1439 } |
1440 if (csinfo == NULL) | |
1441 return -1; | |
1442 for (j = csinfo_size/2; j < csinfo_size; j++) | |
1443 clear_csinfo(j); | |
7 | 1444 } |
1445 | |
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1446 if ((csinfo[i].fname = alloc(strlen(fname)+1)) == NULL) |
7 | 1447 return -1; |
1448 | |
1449 (void)strcpy(csinfo[i].fname, (const char *)fname); | |
1450 | |
1451 if (ppath != NULL) | |
1452 { | |
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1453 if ((csinfo[i].ppath = alloc(strlen(ppath) + 1)) == NULL) |
7 | 1454 { |
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1455 VIM_CLEAR(csinfo[i].fname); |
7 | 1456 return -1; |
1457 } | |
1458 (void)strcpy(csinfo[i].ppath, (const char *)ppath); | |
1459 } else | |
1460 csinfo[i].ppath = NULL; | |
1461 | |
1462 if (flags != NULL) | |
1463 { | |
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1464 if ((csinfo[i].flags = alloc(strlen(flags) + 1)) == NULL) |
7 | 1465 { |
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1466 VIM_CLEAR(csinfo[i].fname); |
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1467 VIM_CLEAR(csinfo[i].ppath); |
7 | 1468 return -1; |
1469 } | |
1470 (void)strcpy(csinfo[i].flags, (const char *)flags); | |
1471 } else | |
1472 csinfo[i].flags = NULL; | |
1473 | |
1474 #if defined(UNIX) | |
1475 csinfo[i].st_dev = sb->st_dev; | |
1476 csinfo[i].st_ino = sb->st_ino; | |
1477 | |
1478 #else | |
1479 csinfo[i].nVolume = bhfi.dwVolumeSerialNumber; | |
1480 csinfo[i].nIndexLow = bhfi.nFileIndexLow; | |
1481 csinfo[i].nIndexHigh = bhfi.nFileIndexHigh; | |
1482 #endif | |
1483 return i; | |
1484 } /* cs_insert_filelist */ | |
1485 | |
1486 | |
1487 /* | |
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changeset
|
1488 * Find cscope command in command table. |
7 | 1489 */ |
1490 static cscmd_T * | |
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1491 cs_lookup_cmd(exarg_T *eap) |
7 | 1492 { |
1493 cscmd_T *cmdp; | |
1494 char *stok; | |
1495 size_t len; | |
1496 | |
1497 if (eap->arg == NULL) | |
1498 return NULL; | |
1499 | |
1372 | 1500 /* Store length of eap->arg before it gets modified by strtok(). */ |
1570 | 1501 eap_arg_len = (int)STRLEN(eap->arg); |
1372 | 1502 |
7 | 1503 if ((stok = strtok((char *)(eap->arg), (const char *)" ")) == NULL) |
1504 return NULL; | |
1505 | |
1506 len = strlen(stok); | |
1507 for (cmdp = cs_cmds; cmdp->name != NULL; ++cmdp) | |
1508 { | |
1509 if (strncmp((const char *)(stok), cmdp->name, len) == 0) | |
1510 return (cmdp); | |
1511 } | |
1512 return NULL; | |
1513 } /* cs_lookup_cmd */ | |
1514 | |
1515 | |
1516 /* | |
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changeset
|
1517 * Nuke em. |
7 | 1518 */ |
1519 static int | |
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changeset
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1520 cs_kill(exarg_T *eap UNUSED) |
7 | 1521 { |
1522 char *stok; | |
1523 short i; | |
1524 | |
1525 if ((stok = strtok((char *)NULL, (const char *)" ")) == NULL) | |
1526 { | |
1527 cs_usage_msg(Kill); | |
1528 return CSCOPE_FAILURE; | |
1529 } | |
1530 | |
1531 /* only single digit positive and negative integers are allowed */ | |
1532 if ((strlen(stok) < 2 && VIM_ISDIGIT((int)(stok[0]))) | |
1533 || (strlen(stok) < 3 && stok[0] == '-' | |
1534 && VIM_ISDIGIT((int)(stok[1])))) | |
1535 i = atoi(stok); | |
1536 else | |
1537 { | |
1538 /* It must be part of a name. We will try to find a match | |
1539 * within all the names in the csinfo data structure | |
1540 */ | |
1931 | 1541 for (i = 0; i < csinfo_size; i++) |
7 | 1542 { |
1543 if (csinfo[i].fname != NULL && strstr(csinfo[i].fname, stok)) | |
1544 break; | |
1545 } | |
1546 } | |
1547 | |
1931 | 1548 if ((i != -1) && (i >= csinfo_size || i < -1 || csinfo[i].fname == NULL)) |
7 | 1549 { |
1550 if (p_csverbose) | |
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1551 (void)semsg(_("E261: cscope connection %s not found"), stok); |
7 | 1552 } |
1553 else | |
1554 { | |
1555 if (i == -1) | |
1556 { | |
1931 | 1557 for (i = 0; i < csinfo_size; i++) |
7 | 1558 { |
1559 if (csinfo[i].fname) | |
1560 cs_kill_execute(i, csinfo[i].fname); | |
1561 } | |
1562 } | |
1563 else | |
1564 cs_kill_execute(i, stok); | |
1565 } | |
1566 | |
1567 return 0; | |
1568 } /* cs_kill */ | |
1569 | |
1570 | |
1571 /* | |
1572 * Actually kills a specific cscope connection. | |
1573 */ | |
1574 static void | |
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1575 cs_kill_execute( |
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1576 int i, /* cscope table index */ |
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1577 char *cname) /* cscope database name */ |
7 | 1578 { |
1579 if (p_csverbose) | |
1580 { | |
1581 msg_clr_eos(); | |
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1582 (void)smsg_attr(HL_ATTR(HLF_R) | MSG_HIST, |
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1583 _("cscope connection %s closed"), cname); |
7 | 1584 } |
1585 cs_release_csp(i, TRUE); | |
1586 } | |
1587 | |
1588 | |
1589 /* | |
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1590 * Convert the cscope output into a ctags style entry (as might be found |
7 | 1591 * in a ctags tags file). there's one catch though: cscope doesn't tell you |
1592 * the type of the tag you are looking for. for example, in Darren Hiebert's | |
1593 * ctags (the one that comes with vim), #define's use a line number to find the | |
1594 * tag in a file while function definitions use a regexp search pattern. | |
1595 * | |
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1596 * I'm going to always use the line number because cscope does something |
7 | 1597 * quirky (and probably other things i don't know about): |
1598 * | |
1599 * if you have "# define" in your source file, which is | |
1600 * perfectly legal, cscope thinks you have "#define". this | |
1601 * will result in a failed regexp search. :( | |
1602 * | |
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parents:
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diff
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1603 * Besides, even if this particular case didn't happen, the search pattern |
7 | 1604 * would still have to be modified to escape all the special regular expression |
1605 * characters to comply with ctags formatting. | |
1606 */ | |
1607 static char * | |
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|
1608 cs_make_vim_style_matches( |
bcef391c101c
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1609 char *fname, |
bcef391c101c
commit https://github.com/vim/vim/commit/68c2f638e65d914dc6e84eb7ce2624f08af525c0
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1610 char *slno, |
bcef391c101c
commit https://github.com/vim/vim/commit/68c2f638e65d914dc6e84eb7ce2624f08af525c0
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1611 char *search, |
bcef391c101c
commit https://github.com/vim/vim/commit/68c2f638e65d914dc6e84eb7ce2624f08af525c0
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diff
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|
1612 char *tagstr) |
7 | 1613 { |
1614 /* vim style is ctags: | |
1615 * | |
1616 * <tagstr>\t<filename>\t<linenum_or_search>"\t<extra> | |
1617 * | |
1618 * but as mentioned above, we'll always use the line number and | |
1619 * put the search pattern (if one exists) as "extra" | |
1620 * | |
1621 * buf is used as part of vim's method of handling tags, and | |
1622 * (i think) vim frees it when you pop your tags and get replaced | |
1623 * by new ones on the tag stack. | |
1624 */ | |
1625 char *buf; | |
1626 int amt; | |
1627 | |
1628 if (search != NULL) | |
1629 { | |
835 | 1630 amt = (int)(strlen(fname) + strlen(slno) + strlen(tagstr) + strlen(search)+6); |
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1631 if ((buf = alloc(amt)) == NULL) |
7 | 1632 return NULL; |
1633 | |
1634 (void)sprintf(buf, "%s\t%s\t%s;\"\t%s", tagstr, fname, slno, search); | |
1635 } | |
1636 else | |
1637 { | |
835 | 1638 amt = (int)(strlen(fname) + strlen(slno) + strlen(tagstr) + 5); |
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1639 if ((buf = alloc(amt)) == NULL) |
7 | 1640 return NULL; |
1641 | |
1642 (void)sprintf(buf, "%s\t%s\t%s;\"", tagstr, fname, slno); | |
1643 } | |
1644 | |
1645 return buf; | |
1646 } /* cs_make_vim_style_matches */ | |
1647 | |
1648 | |
1649 /* | |
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1650 * This is kind of hokey, but i don't see an easy way round this. |
7 | 1651 * |
1652 * Store: keep a ptr to the (malloc'd) memory of matches originally | |
1653 * generated from cs_find(). the matches are originally lines directly | |
1654 * from cscope output, but transformed to look like something out of a | |
1655 * ctags. see cs_make_vim_style_matches for more details. | |
1656 * | |
1657 * Get: used only from cs_fgets(), this simulates a vim_fgets() to return | |
1658 * the next line from the cscope output. it basically keeps track of which | |
1659 * lines have been "used" and returns the next one. | |
1660 * | |
1661 * Free: frees up everything and resets | |
1662 * | |
1663 * Print: prints the tags | |
1664 */ | |
1665 static char * | |
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1666 cs_manage_matches( |
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1667 char **matches, |
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1668 char **contexts, |
bcef391c101c
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1669 int totmatches, |
bcef391c101c
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1670 mcmd_e cmd) |
7 | 1671 { |
1672 static char **mp = NULL; | |
1673 static char **cp = NULL; | |
1674 static int cnt = -1; | |
1675 static int next = -1; | |
1676 char *p = NULL; | |
1677 | |
1678 switch (cmd) | |
1679 { | |
1680 case Store: | |
1681 assert(matches != NULL); | |
1682 assert(totmatches > 0); | |
1683 if (mp != NULL || cp != NULL) | |
1684 (void)cs_manage_matches(NULL, NULL, -1, Free); | |
1685 mp = matches; | |
1686 cp = contexts; | |
1687 cnt = totmatches; | |
1688 next = 0; | |
1689 break; | |
1690 case Get: | |
1691 if (next >= cnt) | |
1692 return NULL; | |
1693 | |
1694 p = mp[next]; | |
1695 next++; | |
1696 break; | |
1697 case Free: | |
1698 if (mp != NULL) | |
1699 { | |
1700 if (cnt > 0) | |
1701 while (cnt--) | |
1702 { | |
1703 vim_free(mp[cnt]); | |
1704 if (cp != NULL) | |
1705 vim_free(cp[cnt]); | |
1706 } | |
1707 vim_free(mp); | |
1708 vim_free(cp); | |
1709 } | |
1710 mp = NULL; | |
1711 cp = NULL; | |
1712 cnt = 0; | |
1713 next = 0; | |
1714 break; | |
1715 case Print: | |
1716 cs_print_tags_priv(mp, cp, cnt); | |
1717 break; | |
1718 default: /* should not reach here */ | |
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1719 iemsg(_("E570: fatal error in cs_manage_matches")); |
7 | 1720 return NULL; |
1721 } | |
1722 | |
1723 return p; | |
1724 } /* cs_manage_matches */ | |
1725 | |
1726 | |
1727 /* | |
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1728 * Parse cscope output. |
7 | 1729 */ |
1730 static char * | |
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1731 cs_parse_results( |
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1732 int cnumber, |
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1733 char *buf, |
bcef391c101c
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1734 int bufsize, |
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1735 char **context, |
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1736 char **linenumber, |
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1737 char **search) |
7 | 1738 { |
1739 int ch; | |
1740 char *p; | |
1741 char *name; | |
1742 | |
1743 if (fgets(buf, bufsize, csinfo[cnumber].fr_fp) == NULL) | |
1744 { | |
1745 if (feof(csinfo[cnumber].fr_fp)) | |
1746 errno = EIO; | |
1747 | |
1748 cs_reading_emsg(cnumber); | |
1749 | |
1750 return NULL; | |
1751 } | |
1752 | |
1753 /* If the line's too long for the buffer, discard it. */ | |
1754 if ((p = strchr(buf, '\n')) == NULL) | |
1755 { | |
1756 while ((ch = getc(csinfo[cnumber].fr_fp)) != EOF && ch != '\n') | |
1757 ; | |
1758 return NULL; | |
1759 } | |
1760 *p = '\0'; | |
1761 | |
1762 /* | |
1763 * cscope output is in the following format: | |
1764 * | |
1765 * <filename> <context> <line number> <pattern> | |
1766 */ | |
1767 if ((name = strtok((char *)buf, (const char *)" ")) == NULL) | |
1768 return NULL; | |
1769 if ((*context = strtok(NULL, (const char *)" ")) == NULL) | |
1770 return NULL; | |
1771 if ((*linenumber = strtok(NULL, (const char *)" ")) == NULL) | |
1772 return NULL; | |
1773 *search = *linenumber + strlen(*linenumber) + 1; /* +1 to skip \0 */ | |
1774 | |
1775 /* --- nvi --- | |
1776 * If the file is older than the cscope database, that is, | |
1777 * the database was built since the file was last modified, | |
1778 * or there wasn't a search string, use the line number. | |
1779 */ | |
1780 if (strcmp(*search, "<unknown>") == 0) | |
1781 *search = NULL; | |
1782 | |
1783 name = cs_resolve_file(cnumber, name); | |
1784 return name; | |
1785 } | |
1786 | |
636 | 1787 #ifdef FEAT_QUICKFIX |
7 | 1788 /* |
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1789 * Write cscope find results to file. |
7 | 1790 */ |
1791 static void | |
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1792 cs_file_results(FILE *f, int *nummatches_a) |
7 | 1793 { |
1794 int i, j; | |
1795 char *buf; | |
1796 char *search, *slno; | |
1797 char *fullname; | |
1798 char *cntx; | |
1799 char *context; | |
1800 | |
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1801 buf = alloc(CSREAD_BUFSIZE); |
7 | 1802 if (buf == NULL) |
1803 return; | |
1804 | |
1931 | 1805 for (i = 0; i < csinfo_size; i++) |
7 | 1806 { |
1807 if (nummatches_a[i] < 1) | |
1808 continue; | |
1809 | |
1810 for (j = 0; j < nummatches_a[i]; j++) | |
1811 { | |
293 | 1812 if ((fullname = cs_parse_results(i, buf, CSREAD_BUFSIZE, &cntx, |
1813 &slno, &search)) == NULL) | |
7 | 1814 continue; |
1815 | |
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1816 context = alloc(strlen(cntx)+5); |
1027 | 1817 if (context == NULL) |
7 | 1818 continue; |
1819 | |
1820 if (strcmp(cntx, "<global>")==0) | |
1821 strcpy(context, "<<global>>"); | |
1822 else | |
1823 sprintf(context, "<<%s>>", cntx); | |
1824 | |
1027 | 1825 if (search == NULL) |
7 | 1826 fprintf(f, "%s\t%s\t%s\n", fullname, slno, context); |
1827 else | |
1828 fprintf(f, "%s\t%s\t%s %s\n", fullname, slno, context, search); | |
1829 | |
1830 vim_free(context); | |
1831 vim_free(fullname); | |
1832 } /* for all matches */ | |
1833 | |
1834 (void)cs_read_prompt(i); | |
1835 | |
1836 } /* for all cscope connections */ | |
1837 vim_free(buf); | |
1838 } | |
636 | 1839 #endif |
7 | 1840 |
1841 /* | |
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1842 * Get parsed cscope output and calls cs_make_vim_style_matches to convert |
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1843 * into ctags format. |
297 | 1844 * When there are no matches sets "*matches_p" to NULL. |
7 | 1845 */ |
1846 static void | |
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1847 cs_fill_results( |
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1848 char *tagstr, |
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1849 int totmatches, |
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1850 int *nummatches_a, |
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1851 char ***matches_p, |
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1852 char ***cntxts_p, |
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1853 int *matched) |
7 | 1854 { |
1855 int i, j; | |
1856 char *buf; | |
1857 char *search, *slno; | |
1858 int totsofar = 0; | |
1859 char **matches = NULL; | |
1860 char **cntxts = NULL; | |
1861 char *fullname; | |
1862 char *cntx; | |
1863 | |
1864 assert(totmatches > 0); | |
1865 | |
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1866 buf = alloc(CSREAD_BUFSIZE); |
7 | 1867 if (buf == NULL) |
1868 return; | |
1869 | |
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1870 if ((matches = ALLOC_MULT(char *, totmatches)) == NULL) |
7 | 1871 goto parse_out; |
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1872 if ((cntxts = ALLOC_MULT(char *, totmatches)) == NULL) |
7 | 1873 goto parse_out; |
1874 | |
1931 | 1875 for (i = 0; i < csinfo_size; i++) |
7 | 1876 { |
1877 if (nummatches_a[i] < 1) | |
1878 continue; | |
1879 | |
1880 for (j = 0; j < nummatches_a[i]; j++) | |
1881 { | |
1882 if ((fullname = cs_parse_results(i, buf, CSREAD_BUFSIZE, &cntx, | |
1883 &slno, &search)) == NULL) | |
1884 continue; | |
1885 | |
1886 matches[totsofar] = cs_make_vim_style_matches(fullname, slno, | |
1887 search, tagstr); | |
1888 | |
1889 vim_free(fullname); | |
1890 | |
1891 if (strcmp(cntx, "<global>") == 0) | |
1892 cntxts[totsofar] = NULL; | |
1893 else | |
1894 /* note: if vim_strsave returns NULL, then the context | |
1895 * will be "<global>", which is misleading. | |
1896 */ | |
1897 cntxts[totsofar] = (char *)vim_strsave((char_u *)cntx); | |
1898 | |
1899 if (matches[totsofar] != NULL) | |
1900 totsofar++; | |
1901 | |
1902 } /* for all matches */ | |
1903 | |
1904 (void)cs_read_prompt(i); | |
1905 | |
1906 } /* for all cscope connections */ | |
1907 | |
1908 parse_out: | |
297 | 1909 if (totsofar == 0) |
1910 { | |
1911 /* No matches, free the arrays and return NULL in "*matches_p". */ | |
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1912 VIM_CLEAR(matches); |
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1913 VIM_CLEAR(cntxts); |
297 | 1914 } |
7 | 1915 *matched = totsofar; |
1916 *matches_p = matches; | |
1917 *cntxts_p = cntxts; | |
297 | 1918 |
7 | 1919 vim_free(buf); |
1920 } /* cs_fill_results */ | |
1921 | |
1922 | |
1923 /* get the requested path components */ | |
1924 static char * | |
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1925 cs_pathcomponents(char *path) |
7 | 1926 { |
1927 int i; | |
1928 char *s; | |
1929 | |
1930 if (p_cspc == 0) | |
1931 return path; | |
1932 | |
1933 s = path + strlen(path) - 1; | |
1934 for (i = 0; i < p_cspc; ++i) | |
1935 while (s > path && *--s != '/' | |
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1936 #ifdef MSWIN |
7 | 1937 && *--s != '\\' |
1938 #endif | |
1939 ) | |
1940 ; | |
1941 if ((s > path && *s == '/') | |
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1942 #ifdef MSWIN |
7 | 1943 || (s > path && *s == '\\') |
1944 #endif | |
1945 ) | |
1946 ++s; | |
1947 return s; | |
1948 } | |
1949 | |
1950 /* | |
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1951 * Called from cs_manage_matches(). |
7 | 1952 */ |
1953 static void | |
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1954 cs_print_tags_priv(char **matches, char **cntxts, int num_matches) |
7 | 1955 { |
1956 char *buf = NULL; | |
6596 | 1957 char *t_buf; |
7 | 1958 int bufsize = 0; /* Track available bufsize */ |
1959 int newsize = 0; | |
1960 char *ptag; | |
1961 char *fname, *lno, *extra, *tbuf; | |
1962 int i, idx, num; | |
1963 char *globalcntx = "GLOBAL"; | |
1964 char *cntxformat = " <<%s>>"; | |
1965 char *context; | |
1966 char *cstag_msg = _("Cscope tag: %s"); | |
1967 char *csfmt_str = "%4d %6s "; | |
1968 | |
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|
1969 assert(num_matches > 0); |
7 | 1970 |
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1971 if ((tbuf = alloc(strlen(matches[0]) + 1)) == NULL) |
7 | 1972 return; |
1973 | |
1974 strcpy(tbuf, matches[0]); | |
1975 ptag = strtok(tbuf, "\t"); | |
7009 | 1976 if (ptag == NULL) |
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1977 { |
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1978 vim_free(tbuf); |
7009 | 1979 return; |
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1980 } |
7 | 1981 |
835 | 1982 newsize = (int)(strlen(cstag_msg) + strlen(ptag)); |
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1983 buf = alloc(newsize); |
7 | 1984 if (buf != NULL) |
1985 { | |
1986 bufsize = newsize; | |
1987 (void)sprintf(buf, cstag_msg, ptag); | |
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1988 msg_puts_attr(buf, HL_ATTR(HLF_T)); |
7 | 1989 } |
1990 | |
1991 vim_free(tbuf); | |
1992 | |
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1993 msg_puts_attr(_("\n # line"), HL_ATTR(HLF_T)); /* strlen is 7 */ |
7 | 1994 msg_advance(msg_col + 2); |
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1995 msg_puts_attr(_("filename / context / line\n"), HL_ATTR(HLF_T)); |
7 | 1996 |
1997 num = 1; | |
1998 for (i = 0; i < num_matches; i++) | |
1999 { | |
2000 idx = i; | |
2001 | |
2002 /* if we really wanted to, we could avoid this malloc and strcpy | |
2003 * by parsing matches[i] on the fly and placing stuff into buf | |
2004 * directly, but that's too much of a hassle | |
2005 */ | |
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2006 if ((tbuf = alloc(strlen(matches[idx]) + 1)) == NULL) |
7 | 2007 continue; |
2008 (void)strcpy(tbuf, matches[idx]); | |
2009 | |
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2010 if (strtok(tbuf, (const char *)"\t") == NULL |
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2011 || (fname = strtok(NULL, (const char *)"\t")) == NULL |
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2012 || (lno = strtok(NULL, (const char *)"\t")) == NULL) |
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2013 { |
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2014 vim_free(tbuf); |
7 | 2015 continue; |
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2016 } |
1078 | 2017 extra = strtok(NULL, (const char *)"\t"); |
7 | 2018 |
2019 lno[strlen(lno)-2] = '\0'; /* ignore ;" at the end */ | |
2020 | |
2021 /* hopefully 'num' (num of matches) will be less than 10^16 */ | |
835 | 2022 newsize = (int)(strlen(csfmt_str) + 16 + strlen(lno)); |
7 | 2023 if (bufsize < newsize) |
2024 { | |
6596 | 2025 t_buf = buf; |
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2026 buf = vim_realloc(buf, newsize); |
7 | 2027 if (buf == NULL) |
6596 | 2028 { |
7 | 2029 bufsize = 0; |
6596 | 2030 vim_free(t_buf); |
2031 } | |
7 | 2032 else |
2033 bufsize = newsize; | |
2034 } | |
2035 if (buf != NULL) | |
2036 { | |
2037 /* csfmt_str = "%4d %6s "; */ | |
2038 (void)sprintf(buf, csfmt_str, num, lno); | |
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2039 msg_puts_attr(buf, HL_ATTR(HLF_CM)); |
7 | 2040 } |
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2041 msg_outtrans_long_attr((char_u *)cs_pathcomponents(fname), |
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2042 HL_ATTR(HLF_CM)); |
7 | 2043 |
2044 /* compute the required space for the context */ | |
2045 if (cntxts[idx] != NULL) | |
2046 context = cntxts[idx]; | |
2047 else | |
2048 context = globalcntx; | |
835 | 2049 newsize = (int)(strlen(context) + strlen(cntxformat)); |
7 | 2050 |
2051 if (bufsize < newsize) | |
2052 { | |
6596 | 2053 t_buf = buf; |
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2054 buf = vim_realloc(buf, newsize); |
7 | 2055 if (buf == NULL) |
6596 | 2056 { |
7 | 2057 bufsize = 0; |
6596 | 2058 vim_free(t_buf); |
2059 } | |
7 | 2060 else |
2061 bufsize = newsize; | |
2062 } | |
2063 if (buf != NULL) | |
2064 { | |
2065 (void)sprintf(buf, cntxformat, context); | |
2066 | |
2067 /* print the context only if it fits on the same line */ | |
2068 if (msg_col + (int)strlen(buf) >= (int)Columns) | |
2069 msg_putchar('\n'); | |
2070 msg_advance(12); | |
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2071 msg_outtrans_long_attr((char_u *)buf, 0); |
7 | 2072 msg_putchar('\n'); |
2073 } | |
2074 if (extra != NULL) | |
2075 { | |
2076 msg_advance(13); | |
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2077 msg_outtrans_long_attr((char_u *)extra, 0); |
7 | 2078 } |
2079 | |
2080 vim_free(tbuf); /* only after printing extra due to strtok use */ | |
2081 | |
2082 if (msg_col) | |
2083 msg_putchar('\n'); | |
2084 | |
2085 ui_breakcheck(); | |
2086 if (got_int) | |
2087 { | |
2088 got_int = FALSE; /* don't print any more matches */ | |
2089 break; | |
2090 } | |
2091 | |
2092 num++; | |
2093 } /* for all matches */ | |
2094 | |
2095 vim_free(buf); | |
2096 } /* cs_print_tags_priv */ | |
2097 | |
2098 | |
2099 /* | |
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2100 * Read a cscope prompt (basically, skip over the ">> "). |
7 | 2101 */ |
2102 static int | |
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2103 cs_read_prompt(int i) |
7 | 2104 { |
2105 int ch; | |
2106 char *buf = NULL; /* buffer for possible error message from cscope */ | |
2107 int bufpos = 0; | |
2108 char *cs_emsg; | |
2109 int maxlen; | |
2110 static char *eprompt = "Press the RETURN key to continue:"; | |
835 | 2111 int epromptlen = (int)strlen(eprompt); |
7 | 2112 int n; |
2113 | |
2114 cs_emsg = _("E609: Cscope error: %s"); | |
2115 /* compute maximum allowed len for Cscope error message */ | |
2116 maxlen = (int)(IOSIZE - strlen(cs_emsg)); | |
2117 | |
2118 for (;;) | |
2119 { | |
2120 while ((ch = getc(csinfo[i].fr_fp)) != EOF && ch != CSCOPE_PROMPT[0]) | |
2121 /* if there is room and char is printable */ | |
2122 if (bufpos < maxlen - 1 && vim_isprintc(ch)) | |
2123 { | |
2124 if (buf == NULL) /* lazy buffer allocation */ | |
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2125 buf = alloc(maxlen); |
7 | 2126 if (buf != NULL) |
2127 { | |
2128 /* append character to the message */ | |
2129 buf[bufpos++] = ch; | |
2130 buf[bufpos] = NUL; | |
2131 if (bufpos >= epromptlen | |
2132 && strcmp(&buf[bufpos - epromptlen], eprompt) == 0) | |
2133 { | |
2134 /* remove eprompt from buf */ | |
2135 buf[bufpos - epromptlen] = NUL; | |
2136 | |
2137 /* print message to user */ | |
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2138 (void)semsg(cs_emsg, buf); |
7 | 2139 |
2140 /* send RETURN to cscope */ | |
2141 (void)putc('\n', csinfo[i].to_fp); | |
2142 (void)fflush(csinfo[i].to_fp); | |
2143 | |
2144 /* clear buf */ | |
2145 bufpos = 0; | |
2146 buf[bufpos] = NUL; | |
2147 } | |
2148 } | |
2149 } | |
2150 | |
2151 for (n = 0; n < (int)strlen(CSCOPE_PROMPT); ++n) | |
2152 { | |
2153 if (n > 0) | |
2154 ch = getc(csinfo[i].fr_fp); | |
2155 if (ch == EOF) | |
2156 { | |
2157 PERROR("cs_read_prompt EOF"); | |
2158 if (buf != NULL && buf[0] != NUL) | |
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2159 (void)semsg(cs_emsg, buf); |
7 | 2160 else if (p_csverbose) |
2161 cs_reading_emsg(i); /* don't have additional information */ | |
2162 cs_release_csp(i, TRUE); | |
2163 vim_free(buf); | |
2164 return CSCOPE_FAILURE; | |
2165 } | |
2166 | |
2167 if (ch != CSCOPE_PROMPT[n]) | |
2168 { | |
2169 ch = EOF; | |
2170 break; | |
2171 } | |
2172 } | |
2173 | |
2174 if (ch == EOF) | |
2175 continue; /* didn't find the prompt */ | |
2176 break; /* did find the prompt */ | |
2177 } | |
2178 | |
2179 vim_free(buf); | |
2180 return CSCOPE_SUCCESS; | |
2181 } | |
2182 | |
1566 | 2183 #if defined(UNIX) && defined(SIGALRM) |
2184 /* | |
2185 * Used to catch and ignore SIGALRM below. | |
2186 */ | |
2187 static RETSIGTYPE | |
2188 sig_handler SIGDEFARG(sigarg) | |
2189 { | |
2190 /* do nothing */ | |
2191 SIGRETURN; | |
2192 } | |
2193 #endif | |
7 | 2194 |
2195 /* | |
1385 | 2196 * Does the actual free'ing for the cs ptr with an optional flag of whether |
2197 * or not to free the filename. Called by cs_kill and cs_reset. | |
7 | 2198 */ |
2199 static void | |
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2200 cs_release_csp(int i, int freefnpp) |
7 | 2201 { |
2202 /* | |
2203 * Trying to exit normally (not sure whether it is fit to UNIX cscope | |
2204 */ | |
2205 if (csinfo[i].to_fp != NULL) | |
2206 { | |
2207 (void)fputs("q\n", csinfo[i].to_fp); | |
2208 (void)fflush(csinfo[i].to_fp); | |
2209 } | |
1566 | 2210 #if defined(UNIX) |
2211 { | |
1575 | 2212 int waitpid_errno; |
1566 | 2213 int pstat; |
2214 pid_t pid; | |
2215 | |
2216 # if defined(HAVE_SIGACTION) | |
2217 struct sigaction sa, old; | |
2218 | |
1568 | 2219 /* Use sigaction() to limit the waiting time to two seconds. */ |
2220 sigemptyset(&sa.sa_mask); | |
1566 | 2221 sa.sa_handler = sig_handler; |
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2222 # ifdef SA_NODEFER |
1566 | 2223 sa.sa_flags = SA_NODEFER; |
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2224 # else |
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2225 sa.sa_flags = 0; |
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2226 # endif |
1566 | 2227 sigaction(SIGALRM, &sa, &old); |
2228 alarm(2); /* 2 sec timeout */ | |
2229 | |
2230 /* Block until cscope exits or until timer expires */ | |
2231 pid = waitpid(csinfo[i].pid, &pstat, 0); | |
1575 | 2232 waitpid_errno = errno; |
1566 | 2233 |
2234 /* cancel pending alarm if still there and restore signal */ | |
2235 alarm(0); | |
2236 sigaction(SIGALRM, &old, NULL); | |
2237 # else | |
2238 int waited; | |
2239 | |
2240 /* Can't use sigaction(), loop for two seconds. First yield the CPU | |
2241 * to give cscope a chance to exit quickly. */ | |
2242 sleep(0); | |
2243 for (waited = 0; waited < 40; ++waited) | |
2244 { | |
2245 pid = waitpid(csinfo[i].pid, &pstat, WNOHANG); | |
1575 | 2246 waitpid_errno = errno; |
1566 | 2247 if (pid != 0) |
2248 break; /* break unless the process is still running */ | |
1578 | 2249 mch_delay(50L, FALSE); /* sleep 50 ms */ |
1566 | 2250 } |
2251 # endif | |
2252 /* | |
2253 * If the cscope process is still running: kill it. | |
2254 * Safety check: If the PID would be zero here, the entire X session | |
2255 * would be killed. -1 and 1 are dangerous as well. | |
2256 */ | |
2257 if (pid < 0 && csinfo[i].pid > 1) | |
2258 { | |
1575 | 2259 # ifdef ECHILD |
2260 int alive = TRUE; | |
2261 | |
2262 if (waitpid_errno == ECHILD) | |
2263 { | |
2264 /* | |
2265 * When using 'vim -g', vim is forked and cscope process is | |
2266 * no longer a child process but a sibling. So waitpid() | |
2267 * fails with errno being ECHILD (No child processes). | |
2268 * Don't send SIGKILL to cscope immediately but wait | |
2269 * (polling) for it to exit normally as result of sending | |
2270 * the "q" command, hence giving it a chance to clean up | |
2271 * its temporary files. | |
2272 */ | |
2273 int waited; | |
2274 | |
2275 sleep(0); | |
2276 for (waited = 0; waited < 40; ++waited) | |
2277 { | |
2278 /* Check whether cscope process is still alive */ | |
2279 if (kill(csinfo[i].pid, 0) != 0) | |
2280 { | |
2281 alive = FALSE; /* cscope process no longer exists */ | |
2282 break; | |
2283 } | |
1578 | 2284 mch_delay(50L, FALSE); /* sleep 50ms */ |
1575 | 2285 } |
2286 } | |
2287 if (alive) | |
2288 # endif | |
2289 { | |
2290 kill(csinfo[i].pid, SIGKILL); | |
2291 (void)waitpid(csinfo[i].pid, &pstat, 0); | |
2292 } | |
1566 | 2293 } |
2294 } | |
2295 #else /* !UNIX */ | |
1385 | 2296 if (csinfo[i].hProc != NULL) |
2297 { | |
2298 /* Give cscope a chance to exit normally */ | |
2299 if (WaitForSingleObject(csinfo[i].hProc, 1000) == WAIT_TIMEOUT) | |
2300 TerminateProcess(csinfo[i].hProc, 0); | |
2301 CloseHandle(csinfo[i].hProc); | |
2302 } | |
7 | 2303 #endif |
2304 | |
2305 if (csinfo[i].fr_fp != NULL) | |
2306 (void)fclose(csinfo[i].fr_fp); | |
2307 if (csinfo[i].to_fp != NULL) | |
2308 (void)fclose(csinfo[i].to_fp); | |
2309 | |
2310 if (freefnpp) | |
2311 { | |
2312 vim_free(csinfo[i].fname); | |
2313 vim_free(csinfo[i].ppath); | |
2314 vim_free(csinfo[i].flags); | |
2315 } | |
2316 | |
2317 clear_csinfo(i); | |
2318 } /* cs_release_csp */ | |
2319 | |
2320 | |
2321 /* | |
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2322 * Calls cs_kill on all cscope connections then reinits. |
7 | 2323 */ |
2324 static int | |
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2325 cs_reset(exarg_T *eap UNUSED) |
7 | 2326 { |
2327 char **dblist = NULL, **pplist = NULL, **fllist = NULL; | |
2328 int i; | |
273 | 2329 char buf[20]; /* for sprintf " (#%d)" */ |
7 | 2330 |
1931 | 2331 if (csinfo_size == 0) |
2332 return CSCOPE_SUCCESS; | |
2333 | |
7 | 2334 /* malloc our db and ppath list */ |
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2335 dblist = ALLOC_MULT(char *, csinfo_size); |
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2336 pplist = ALLOC_MULT(char *, csinfo_size); |
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2337 fllist = ALLOC_MULT(char *, csinfo_size); |
7 | 2338 if (dblist == NULL || pplist == NULL || fllist == NULL) |
2339 { | |
2340 vim_free(dblist); | |
2341 vim_free(pplist); | |
2342 vim_free(fllist); | |
2343 return CSCOPE_FAILURE; | |
2344 } | |
2345 | |
1931 | 2346 for (i = 0; i < csinfo_size; i++) |
7 | 2347 { |
2348 dblist[i] = csinfo[i].fname; | |
2349 pplist[i] = csinfo[i].ppath; | |
2350 fllist[i] = csinfo[i].flags; | |
2351 if (csinfo[i].fname != NULL) | |
2352 cs_release_csp(i, FALSE); | |
2353 } | |
2354 | |
2355 /* rebuild the cscope connection list */ | |
1931 | 2356 for (i = 0; i < csinfo_size; i++) |
7 | 2357 { |
2358 if (dblist[i] != NULL) | |
2359 { | |
2360 cs_add_common(dblist[i], pplist[i], fllist[i]); | |
2361 if (p_csverbose) | |
2362 { | |
1372 | 2363 /* don't use smsg_attr() because we want to display the |
7 | 2364 * connection number in the same line as |
2365 * "Added cscope database..." | |
2366 */ | |
2367 sprintf(buf, " (#%d)", i); | |
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2368 msg_puts_attr(buf, HL_ATTR(HLF_R)); |
7 | 2369 } |
2370 } | |
2371 vim_free(dblist[i]); | |
2372 vim_free(pplist[i]); | |
2373 vim_free(fllist[i]); | |
2374 } | |
2375 vim_free(dblist); | |
2376 vim_free(pplist); | |
2377 vim_free(fllist); | |
2378 | |
2379 if (p_csverbose) | |
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2380 msg_attr(_("All cscope databases reset"), HL_ATTR(HLF_R) | MSG_HIST); |
7 | 2381 return CSCOPE_SUCCESS; |
2382 } /* cs_reset */ | |
2383 | |
2384 | |
2385 /* | |
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2386 * Construct the full pathname to a file found in the cscope database. |
7 | 2387 * (Prepends ppath, if there is one and if it's not already prepended, |
2388 * otherwise just uses the name found.) | |
2389 * | |
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2390 * We need to prepend the prefix because on some cscope's (e.g., the one that |
7 | 2391 * ships with Solaris 2.6), the output never has the prefix prepended. |
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2392 * Contrast this with my development system (Digital Unix), which does. |
7 | 2393 */ |
2394 static char * | |
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2395 cs_resolve_file(int i, char *name) |
7 | 2396 { |
2873 | 2397 char *fullname; |
2398 int len; | |
2399 char_u *csdir = NULL; | |
7 | 2400 |
2401 /* | |
2873 | 2402 * Ppath is freed when we destroy the cscope connection. |
2403 * Fullname is freed after cs_make_vim_style_matches, after it's been | |
2404 * copied into the tag buffer used by Vim. | |
7 | 2405 */ |
835 | 2406 len = (int)(strlen(name) + 2); |
7 | 2407 if (csinfo[i].ppath != NULL) |
835 | 2408 len += (int)strlen(csinfo[i].ppath); |
2873 | 2409 else if (p_csre && csinfo[i].fname != NULL) |
2410 { | |
2411 /* If 'cscoperelative' is set and ppath is not set, use cscope.out | |
2412 * path in path resolution. */ | |
2413 csdir = alloc(MAXPATHL); | |
2414 if (csdir != NULL) | |
2415 { | |
2416 vim_strncpy(csdir, (char_u *)csinfo[i].fname, | |
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2417 gettail((char_u *)csinfo[i].fname) |
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2418 - (char_u *)csinfo[i].fname); |
2873 | 2419 len += (int)STRLEN(csdir); |
2420 } | |
2421 } | |
7 | 2422 |
2873 | 2423 /* Note/example: this won't work if the cscope output already starts |
7 | 2424 * "../.." and the prefix path is also "../..". if something like this |
2873 | 2425 * happens, you are screwed up and need to fix how you're using cscope. */ |
2426 if (csinfo[i].ppath != NULL | |
2427 && (strncmp(name, csinfo[i].ppath, strlen(csinfo[i].ppath)) != 0) | |
2428 && (name[0] != '/') | |
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2429 #ifdef MSWIN |
2873 | 2430 && name[0] != '\\' && name[1] != ':' |
7 | 2431 #endif |
2873 | 2432 ) |
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2433 { |
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2434 if ((fullname = alloc(len)) != NULL) |
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2435 (void)sprintf(fullname, "%s/%s", csinfo[i].ppath, name); |
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2436 } |
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2437 else if (csdir != NULL && csinfo[i].fname != NULL && *csdir != NUL) |
2873 | 2438 { |
2439 /* Check for csdir to be non empty to avoid empty path concatenated to | |
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2440 * cscope output. */ |
2875 | 2441 fullname = (char *)concat_fnames(csdir, (char_u *)name, TRUE); |
2873 | 2442 } |
7 | 2443 else |
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2444 { |
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2445 fullname = (char *)vim_strsave((char_u *)name); |
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2446 } |
7 | 2447 |
2873 | 2448 vim_free(csdir); |
7 | 2449 return fullname; |
2873 | 2450 } |
7 | 2451 |
2452 | |
2453 /* | |
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diff
changeset
|
2454 * Show all cscope connections. |
7 | 2455 */ |
2456 static int | |
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2457 cs_show(exarg_T *eap UNUSED) |
7 | 2458 { |
2459 short i; | |
2460 if (cs_cnt_connections() == 0) | |
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2461 msg_puts(_("no cscope connections\n")); |
7 | 2462 else |
2463 { | |
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2464 msg_puts_attr( |
7 | 2465 _(" # pid database name prepend path\n"), |
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2466 HL_ATTR(HLF_T)); |
1931 | 2467 for (i = 0; i < csinfo_size; i++) |
7 | 2468 { |
2469 if (csinfo[i].fname == NULL) | |
2470 continue; | |
2471 | |
2472 if (csinfo[i].ppath != NULL) | |
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2473 (void)smsg("%2d %-5ld %-34s %-32s", |
7 | 2474 i, (long)csinfo[i].pid, csinfo[i].fname, csinfo[i].ppath); |
2475 else | |
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2476 (void)smsg("%2d %-5ld %-34s <none>", |
7 | 2477 i, (long)csinfo[i].pid, csinfo[i].fname); |
2478 } | |
2479 } | |
2480 | |
2481 wait_return(TRUE); | |
2482 return CSCOPE_SUCCESS; | |
2483 } /* cs_show */ | |
2484 | |
1385 | 2485 |
2486 /* | |
2487 * Only called when VIM exits to quit any cscope sessions. | |
2488 */ | |
2489 void | |
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diff
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|
2490 cs_end(void) |
1385 | 2491 { |
2492 int i; | |
2493 | |
1931 | 2494 for (i = 0; i < csinfo_size; i++) |
1385 | 2495 cs_release_csp(i, TRUE); |
1931 | 2496 vim_free(csinfo); |
2497 csinfo_size = 0; | |
1385 | 2498 } |
2499 | |
7 | 2500 #endif /* FEAT_CSCOPE */ |
2501 | |
2502 /* the end */ |