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Merge branch 'vim'
[MacVim.git] / src / quickfix.c
blob5fc36bc5e00577baba656d11433257fcc129f10f
1 /* vi:set ts=8 sts=4 sw=4:
2 *
3 * VIM - Vi IMproved by Bram Moolenaar
4 *
5 * Do ":help uganda" in Vim to read copying and usage conditions.
6 * Do ":help credits" in Vim to see a list of people who contributed.
7 * See README.txt for an overview of the Vim source code.
8 */
9
10 /*
11 * quickfix.c: functions for quickfix mode, using a file with error messages
12 */
13
14 #include "vim.h"
15
16 #if defined(FEAT_QUICKFIX) || defined(PROTO)
17
18 struct dir_stack_T
19 {
20 struct dir_stack_T *next;
21 char_u *dirname;
22 };
23
24 static struct dir_stack_T *dir_stack = NULL;
25
26 /*
27 * For each error the next struct is allocated and linked in a list.
28 */
29 typedef struct qfline_S qfline_T;
30 struct qfline_S
31 {
32 qfline_T *qf_next; /* pointer to next error in the list */
33 qfline_T *qf_prev; /* pointer to previous error in the list */
34 linenr_T qf_lnum; /* line number where the error occurred */
35 int qf_fnum; /* file number for the line */
36 int qf_col; /* column where the error occurred */
37 int qf_nr; /* error number */
38 char_u *qf_pattern; /* search pattern for the error */
39 char_u *qf_text; /* description of the error */
40 char_u qf_viscol; /* set to TRUE if qf_col is screen column */
41 char_u qf_cleared; /* set to TRUE if line has been deleted */
42 char_u qf_type; /* type of the error (mostly 'E'); 1 for
43 :helpgrep */
44 char_u qf_valid; /* valid error message detected */
45 };
46
47 /*
48 * There is a stack of error lists.
49 */
50 #define LISTCOUNT 10
51
52 typedef struct qf_list_S
53 {
54 qfline_T *qf_start; /* pointer to the first error */
55 qfline_T *qf_ptr; /* pointer to the current error */
56 int qf_count; /* number of errors (0 means no error list) */
57 int qf_index; /* current index in the error list */
58 int qf_nonevalid; /* TRUE if not a single valid entry found */
59 } qf_list_T;
60
61 struct qf_info_S
62 {
63 /*
64 * Count of references to this list. Used only for location lists.
65 * When a location list window reference this list, qf_refcount
66 * will be 2. Otherwise, qf_refcount will be 1. When qf_refcount
67 * reaches 0, the list is freed.
68 */
69 int qf_refcount;
70 int qf_listcount; /* current number of lists */
71 int qf_curlist; /* current error list */
72 qf_list_T qf_lists[LISTCOUNT];
73 };
74
75 static qf_info_T ql_info; /* global quickfix list */
76
77 #define FMT_PATTERNS 10 /* maximum number of % recognized */
78
79 /*
80 * Structure used to hold the info of one part of 'errorformat'
81 */
82 typedef struct efm_S efm_T;
83 struct efm_S
84 {
85 regprog_T *prog; /* pre-formatted part of 'errorformat' */
86 efm_T *next; /* pointer to next (NULL if last) */
87 char_u addr[FMT_PATTERNS]; /* indices of used % patterns */
88 char_u prefix; /* prefix of this format line: */
89 /* 'D' enter directory */
90 /* 'X' leave directory */
91 /* 'A' start of multi-line message */
92 /* 'E' error message */
93 /* 'W' warning message */
94 /* 'I' informational message */
95 /* 'C' continuation line */
96 /* 'Z' end of multi-line message */
97 /* 'G' general, unspecific message */
98 /* 'P' push file (partial) message */
99 /* 'Q' pop/quit file (partial) message */
100 /* 'O' overread (partial) message */
101 char_u flags; /* additional flags given in prefix */
102 /* '-' do not include this line */
103 /* '+' include whole line in message */
104 int conthere; /* %> used */
105 };
106
107 static int qf_init_ext __ARGS((qf_info_T *qi, char_u *efile, buf_T *buf, typval_T *tv, char_u *errorformat, int newlist, linenr_T lnumfirst, linenr_T lnumlast));
108 static void qf_new_list __ARGS((qf_info_T *qi));
109 static void ll_free_all __ARGS((qf_info_T **pqi));
110 static int qf_add_entry __ARGS((qf_info_T *qi, qfline_T **prevp, char_u *dir, char_u *fname, int bufnum, char_u *mesg, long lnum, int col, int vis_col, char_u *pattern, int nr, int type, int valid));
111 static qf_info_T *ll_new_list __ARGS((void));
112 static void qf_msg __ARGS((qf_info_T *qi));
113 static void qf_free __ARGS((qf_info_T *qi, int idx));
114 static char_u *qf_types __ARGS((int, int));
115 static int qf_get_fnum __ARGS((char_u *, char_u *));
116 static char_u *qf_push_dir __ARGS((char_u *, struct dir_stack_T **));
117 static char_u *qf_pop_dir __ARGS((struct dir_stack_T **));
118 static char_u *qf_guess_filepath __ARGS((char_u *));
119 static void qf_fmt_text __ARGS((char_u *text, char_u *buf, int bufsize));
120 static void qf_clean_dir_stack __ARGS((struct dir_stack_T **));
121 #ifdef FEAT_WINDOWS
122 static int qf_win_pos_update __ARGS((qf_info_T *qi, int old_qf_index));
123 static int is_qf_win __ARGS((win_T *win, qf_info_T *qi));
124 static win_T *qf_find_win __ARGS((qf_info_T *qi));
125 static buf_T *qf_find_buf __ARGS((qf_info_T *qi));
126 static void qf_update_buffer __ARGS((qf_info_T *qi));
127 static void qf_fill_buffer __ARGS((qf_info_T *qi));
128 #endif
129 static char_u *get_mef_name __ARGS((void));
130 static buf_T *load_dummy_buffer __ARGS((char_u *fname));
131 static void wipe_dummy_buffer __ARGS((buf_T *buf));
132 static void unload_dummy_buffer __ARGS((buf_T *buf));
133 static qf_info_T *ll_get_or_alloc_list __ARGS((win_T *));
134
135 /* Quickfix window check helper macro */
136 #define IS_QF_WINDOW(wp) (bt_quickfix(wp->w_buffer) && wp->w_llist_ref == NULL)
137 /* Location list window check helper macro */
138 #define IS_LL_WINDOW(wp) (bt_quickfix(wp->w_buffer) && wp->w_llist_ref != NULL)
139 /*
140 * Return location list for window 'wp'
141 * For location list window, return the referenced location list
142 */
143 #define GET_LOC_LIST(wp) (IS_LL_WINDOW(wp) ? wp->w_llist_ref : wp->w_llist)
144
145 /*
146 * Read the errorfile "efile" into memory, line by line, building the error
147 * list.
148 * Return -1 for error, number of errors for success.
149 */
150 int
151 qf_init(wp, efile, errorformat, newlist)
152 win_T *wp;
153 char_u *efile;
154 char_u *errorformat;
155 int newlist; /* TRUE: start a new error list */
156 {
157 qf_info_T *qi = &ql_info;
158
159 if (efile == NULL)
160 return FAIL;
161
162 if (wp != NULL)
163 {
164 qi = ll_get_or_alloc_list(wp);
165 if (qi == NULL)
166 return FAIL;
167 }
168
169 return qf_init_ext(qi, efile, curbuf, NULL, errorformat, newlist,
170 (linenr_T)0, (linenr_T)0);
171 }
172
173 /*
174 * Read the errorfile "efile" into memory, line by line, building the error
175 * list.
176 * Alternative: when "efile" is null read errors from buffer "buf".
177 * Always use 'errorformat' from "buf" if there is a local value.
178 * Then lnumfirst and lnumlast specify the range of lines to use.
179 * Return -1 for error, number of errors for success.
180 */
181 static int
182 qf_init_ext(qi, efile, buf, tv, errorformat, newlist, lnumfirst, lnumlast)
183 qf_info_T *qi;
184 char_u *efile;
185 buf_T *buf;
186 typval_T *tv;
187 char_u *errorformat;
188 int newlist; /* TRUE: start a new error list */
189 linenr_T lnumfirst; /* first line number to use */
190 linenr_T lnumlast; /* last line number to use */
191 {
192 char_u *namebuf;
193 char_u *errmsg;
194 char_u *pattern;
195 char_u *fmtstr = NULL;
196 int col = 0;
197 char_u use_viscol = FALSE;
198 int type = 0;
199 int valid;
200 linenr_T buflnum = lnumfirst;
201 long lnum = 0L;
202 int enr = 0;
203 FILE *fd = NULL;
204 qfline_T *qfprev = NULL; /* init to make SASC shut up */
205 char_u *efmp;
206 efm_T *fmt_first = NULL;
207 efm_T *fmt_last = NULL;
208 efm_T *fmt_ptr;
209 efm_T *fmt_start = NULL;
210 char_u *efm;
211 char_u *ptr;
212 char_u *srcptr;
213 int len;
214 int i;
215 int round;
216 int idx = 0;
217 int multiline = FALSE;
218 int multiignore = FALSE;
219 int multiscan = FALSE;
220 int retval = -1; /* default: return error flag */
221 char_u *directory = NULL;
222 char_u *currfile = NULL;
223 char_u *tail = NULL;
224 char_u *p_str = NULL;
225 listitem_T *p_li = NULL;
226 struct dir_stack_T *file_stack = NULL;
227 regmatch_T regmatch;
228 static struct fmtpattern
229 {
230 char_u convchar;
231 char *pattern;
232 } fmt_pat[FMT_PATTERNS] =
233 {
234 {'f', ".\\+"}, /* only used when at end */
235 {'n', "\\d\\+"},
236 {'l', "\\d\\+"},
237 {'c', "\\d\\+"},
238 {'t', "."},
239 {'m', ".\\+"},
240 {'r', ".*"},
241 {'p', "[- .]*"},
242 {'v', "\\d\\+"},
243 {'s', ".\\+"}
244 };
245
246 namebuf = alloc(CMDBUFFSIZE + 1);
247 errmsg = alloc(CMDBUFFSIZE + 1);
248 pattern = alloc(CMDBUFFSIZE + 1);
249 if (namebuf == NULL || errmsg == NULL || pattern == NULL)
250 goto qf_init_end;
251
252 if (efile != NULL && (fd = mch_fopen((char *)efile, "r")) == NULL)
253 {
254 EMSG2(_(e_openerrf), efile);
255 goto qf_init_end;
256 }
257
258 if (newlist || qi->qf_curlist == qi->qf_listcount)
259 /* make place for a new list */
260 qf_new_list(qi);
261 else if (qi->qf_lists[qi->qf_curlist].qf_count > 0)
262 /* Adding to existing list, find last entry. */
263 for (qfprev = qi->qf_lists[qi->qf_curlist].qf_start;
264 qfprev->qf_next != qfprev; qfprev = qfprev->qf_next)
265 ;
266
267 /*
268 * Each part of the format string is copied and modified from errorformat to
269 * regex prog. Only a few % characters are allowed.
270 */
271 /* Use the local value of 'errorformat' if it's set. */
272 if (errorformat == p_efm && tv == NULL && *buf->b_p_efm != NUL)
273 efm = buf->b_p_efm;
274 else
275 efm = errorformat;
276 /*
277 * Get some space to modify the format string into.
278 */
279 i = (FMT_PATTERNS * 3) + ((int)STRLEN(efm) << 2);
280 for (round = FMT_PATTERNS; round > 0; )
281 i += (int)STRLEN(fmt_pat[--round].pattern);
282 #ifdef COLON_IN_FILENAME
283 i += 12; /* "%f" can become twelve chars longer */
284 #else
285 i += 2; /* "%f" can become two chars longer */
286 #endif
287 if ((fmtstr = alloc(i)) == NULL)
288 goto error2;
289
290 while (efm[0] != NUL)
291 {
292 /*
293 * Allocate a new eformat structure and put it at the end of the list
294 */
295 fmt_ptr = (efm_T *)alloc_clear((unsigned)sizeof(efm_T));
296 if (fmt_ptr == NULL)
297 goto error2;
298 if (fmt_first == NULL) /* first one */
299 fmt_first = fmt_ptr;
300 else
301 fmt_last->next = fmt_ptr;
302 fmt_last = fmt_ptr;
303
304 /*
305 * Isolate one part in the 'errorformat' option
306 */
307 for (len = 0; efm[len] != NUL && efm[len] != ','; ++len)
308 if (efm[len] == '\\' && efm[len + 1] != NUL)
309 ++len;
310
311 /*
312 * Build regexp pattern from current 'errorformat' option
313 */
314 ptr = fmtstr;
315 *ptr++ = '^';
316 round = 0;
317 for (efmp = efm; efmp < efm + len; ++efmp)
318 {
319 if (*efmp == '%')
320 {
321 ++efmp;
322 for (idx = 0; idx < FMT_PATTERNS; ++idx)
323 if (fmt_pat[idx].convchar == *efmp)
324 break;
325 if (idx < FMT_PATTERNS)
326 {
327 if (fmt_ptr->addr[idx])
328 {
329 sprintf((char *)errmsg,
330 _("E372: Too many %%%c in format string"), *efmp);
331 EMSG(errmsg);
332 goto error2;
333 }
334 if ((idx
335 && idx < 6
336 && vim_strchr((char_u *)"DXOPQ",
337 fmt_ptr->prefix) != NULL)
338 || (idx == 6
339 && vim_strchr((char_u *)"OPQ",
340 fmt_ptr->prefix) == NULL))
341 {
342 sprintf((char *)errmsg,
343 _("E373: Unexpected %%%c in format string"), *efmp);
344 EMSG(errmsg);
345 goto error2;
346 }
347 fmt_ptr->addr[idx] = (char_u)++round;
348 *ptr++ = '\\';
349 *ptr++ = '(';
350 #ifdef BACKSLASH_IN_FILENAME
351 if (*efmp == 'f')
352 {
353 /* Also match "c:" in the file name, even when
354 * checking for a colon next: "%f:".
355 * "\%(\a:\)\=" */
356 STRCPY(ptr, "\\%(\\a:\\)\\=");
357 ptr += 10;
358 }
359 #endif
360 if (*efmp == 'f' && efmp[1] != NUL)
361 {
362 if (efmp[1] != '\\' && efmp[1] != '%')
363 {
364 /* A file name may contain spaces, but this isn't
365 * in "\f". For "%f:%l:%m" there may be a ":" in
366 * the file name. Use ".\{-1,}x" instead (x is
367 * the next character), the requirement that :999:
368 * follows should work. */
369 STRCPY(ptr, ".\\{-1,}");
370 ptr += 7;
371 }
372 else
373 {
374 /* File name followed by '\\' or '%': include as
375 * many file name chars as possible. */
376 STRCPY(ptr, "\\f\\+");
377 ptr += 4;
378 }
379 }
380 else
381 {
382 srcptr = (char_u *)fmt_pat[idx].pattern;
383 while ((*ptr = *srcptr++) != NUL)
384 ++ptr;
385 }
386 *ptr++ = '\\';
387 *ptr++ = ')';
388 }
389 else if (*efmp == '*')
390 {
391 if (*++efmp == '[' || *efmp == '\\')
392 {
393 if ((*ptr++ = *efmp) == '[') /* %*[^a-z0-9] etc. */
394 {
395 if (efmp[1] == '^')
396 *ptr++ = *++efmp;
397 if (efmp < efm + len)
398 {
399 *ptr++ = *++efmp; /* could be ']' */
400 while (efmp < efm + len
401 && (*ptr++ = *++efmp) != ']')
402 /* skip */;
403 if (efmp == efm + len)
404 {
405 EMSG(_("E374: Missing ] in format string"));
406 goto error2;
407 }
408 }
409 }
410 else if (efmp < efm + len) /* %*\D, %*\s etc. */
411 *ptr++ = *++efmp;
412 *ptr++ = '\\';
413 *ptr++ = '+';
414 }
415 else
416 {
417 /* TODO: scanf()-like: %*ud, %*3c, %*f, ... ? */
418 sprintf((char *)errmsg,
419 _("E375: Unsupported %%%c in format string"), *efmp);
420 EMSG(errmsg);
421 goto error2;
422 }
423 }
424 else if (vim_strchr((char_u *)"%\\.^$~[", *efmp) != NULL)
425 *ptr++ = *efmp; /* regexp magic characters */
426 else if (*efmp == '#')
427 *ptr++ = '*';
428 else if (*efmp == '>')
429 fmt_ptr->conthere = TRUE;
430 else if (efmp == efm + 1) /* analyse prefix */
431 {
432 if (vim_strchr((char_u *)"+-", *efmp) != NULL)
433 fmt_ptr->flags = *efmp++;
434 if (vim_strchr((char_u *)"DXAEWICZGOPQ", *efmp) != NULL)
435 fmt_ptr->prefix = *efmp;
436 else
437 {
438 sprintf((char *)errmsg,
439 _("E376: Invalid %%%c in format string prefix"), *efmp);
440 EMSG(errmsg);
441 goto error2;
442 }
443 }
444 else
445 {
446 sprintf((char *)errmsg,
447 _("E377: Invalid %%%c in format string"), *efmp);
448 EMSG(errmsg);
449 goto error2;
450 }
451 }
452 else /* copy normal character */
453 {
454 if (*efmp == '\\' && efmp + 1 < efm + len)
455 ++efmp;
456 else if (vim_strchr((char_u *)".*^$~[", *efmp) != NULL)
457 *ptr++ = '\\'; /* escape regexp atoms */
458 if (*efmp)
459 *ptr++ = *efmp;
460 }
461 }
462 *ptr++ = '$';
463 *ptr = NUL;
464 if ((fmt_ptr->prog = vim_regcomp(fmtstr, RE_MAGIC + RE_STRING)) == NULL)
465 goto error2;
466 /*
467 * Advance to next part
468 */
469 efm = skip_to_option_part(efm + len); /* skip comma and spaces */
470 }
471 if (fmt_first == NULL) /* nothing found */
472 {
473 EMSG(_("E378: 'errorformat' contains no pattern"));
474 goto error2;
475 }
476
477 /*
478 * got_int is reset here, because it was probably set when killing the
479 * ":make" command, but we still want to read the errorfile then.
480 */
481 got_int = FALSE;
482
483 /* Always ignore case when looking for a matching error. */
484 regmatch.rm_ic = TRUE;
485
486 if (tv != NULL)
487 {
488 if (tv->v_type == VAR_STRING)
489 p_str = tv->vval.v_string;
490 else if (tv->v_type == VAR_LIST)
491 p_li = tv->vval.v_list->lv_first;
492 }
493
494 /*
495 * Read the lines in the error file one by one.
496 * Try to recognize one of the error formats in each line.
497 */
498 while (!got_int)
499 {
500 /* Get the next line. */
501 if (fd == NULL)
502 {
503 if (tv != NULL)
504 {
505 if (tv->v_type == VAR_STRING)
506 {
507 /* Get the next line from the supplied string */
508 char_u *p;
509
510 if (!*p_str) /* Reached the end of the string */
511 break;
512
513 p = vim_strchr(p_str, '\n');
514 if (p)
515 len = (int)(p - p_str + 1);
516 else
517 len = (int)STRLEN(p_str);
518
519 if (len > CMDBUFFSIZE - 2)
520 vim_strncpy(IObuff, p_str, CMDBUFFSIZE - 2);
521 else
522 vim_strncpy(IObuff, p_str, len);
523
524 p_str += len;
525 }
526 else if (tv->v_type == VAR_LIST)
527 {
528 /* Get the next line from the supplied list */
529 while (p_li && p_li->li_tv.v_type != VAR_STRING)
530 p_li = p_li->li_next; /* Skip non-string items */
531
532 if (!p_li) /* End of the list */
533 break;
534
535 len = (int)STRLEN(p_li->li_tv.vval.v_string);
536 if (len > CMDBUFFSIZE - 2)
537 len = CMDBUFFSIZE - 2;
538
539 vim_strncpy(IObuff, p_li->li_tv.vval.v_string, len);
540
541 p_li = p_li->li_next; /* next item */
542 }
543 }
544 else
545 {
546 /* Get the next line from the supplied buffer */
547 if (buflnum > lnumlast)
548 break;
549 vim_strncpy(IObuff, ml_get_buf(buf, buflnum++, FALSE),
550 CMDBUFFSIZE - 2);
551 }
552 }
553 else if (fgets((char *)IObuff, CMDBUFFSIZE - 2, fd) == NULL)
554 break;
555
556 IObuff[CMDBUFFSIZE - 2] = NUL; /* for very long lines */
557 if ((efmp = vim_strrchr(IObuff, '\n')) != NULL)
558 *efmp = NUL;
559 #ifdef USE_CRNL
560 if ((efmp = vim_strrchr(IObuff, '\r')) != NULL)
561 *efmp = NUL;
562 #endif
563
564 /* If there was no %> item start at the first pattern */
565 if (fmt_start == NULL)
566 fmt_ptr = fmt_first;
567 else
568 {
569 fmt_ptr = fmt_start;
570 fmt_start = NULL;
571 }
572
573 /*
574 * Try to match each part of 'errorformat' until we find a complete
575 * match or no match.
576 */
577 valid = TRUE;
578 restofline:
579 for ( ; fmt_ptr != NULL; fmt_ptr = fmt_ptr->next)
580 {
581 idx = fmt_ptr->prefix;
582 if (multiscan && vim_strchr((char_u *)"OPQ", idx) == NULL)
583 continue;
584 namebuf[0] = NUL;
585 pattern[0] = NUL;
586 if (!multiscan)
587 errmsg[0] = NUL;
588 lnum = 0;
589 col = 0;
590 use_viscol = FALSE;
591 enr = -1;
592 type = 0;
593 tail = NULL;
594
595 regmatch.regprog = fmt_ptr->prog;
596 if (vim_regexec(&regmatch, IObuff, (colnr_T)0))
597 {
598 if ((idx == 'C' || idx == 'Z') && !multiline)
599 continue;
600 if (vim_strchr((char_u *)"EWI", idx) != NULL)
601 type = idx;
602 else
603 type = 0;
604 /*
605 * Extract error message data from matched line.
606 * We check for an actual submatch, because "\[" and "\]" in
607 * the 'errorformat' may cause the wrong submatch to be used.
608 */
609 if ((i = (int)fmt_ptr->addr[0]) > 0) /* %f */
610 {
611 int c;
612
613 if (regmatch.startp[i] == NULL || regmatch.endp[i] == NULL)
614 continue;
615
616 /* Expand ~/file and $HOME/file to full path. */
617 c = *regmatch.endp[i];
618 *regmatch.endp[i] = NUL;
619 expand_env(regmatch.startp[i], namebuf, CMDBUFFSIZE);
620 *regmatch.endp[i] = c;
621
622 if (vim_strchr((char_u *)"OPQ", idx) != NULL
623 && mch_getperm(namebuf) == -1)
624 continue;
625 }
626 if ((i = (int)fmt_ptr->addr[1]) > 0) /* %n */
627 {
628 if (regmatch.startp[i] == NULL)
629 continue;
630 enr = (int)atol((char *)regmatch.startp[i]);
631 }
632 if ((i = (int)fmt_ptr->addr[2]) > 0) /* %l */
633 {
634 if (regmatch.startp[i] == NULL)
635 continue;
636 lnum = atol((char *)regmatch.startp[i]);
637 }
638 if ((i = (int)fmt_ptr->addr[3]) > 0) /* %c */
639 {
640 if (regmatch.startp[i] == NULL)
641 continue;
642 col = (int)atol((char *)regmatch.startp[i]);
643 }
644 if ((i = (int)fmt_ptr->addr[4]) > 0) /* %t */
645 {
646 if (regmatch.startp[i] == NULL)
647 continue;
648 type = *regmatch.startp[i];
649 }
650 if (fmt_ptr->flags == '+' && !multiscan) /* %+ */
651 STRCPY(errmsg, IObuff);
652 else if ((i = (int)fmt_ptr->addr[5]) > 0) /* %m */
653 {
654 if (regmatch.startp[i] == NULL || regmatch.endp[i] == NULL)
655 continue;
656 len = (int)(regmatch.endp[i] - regmatch.startp[i]);
657 vim_strncpy(errmsg, regmatch.startp[i], len);
658 }
659 if ((i = (int)fmt_ptr->addr[6]) > 0) /* %r */
660 {
661 if (regmatch.startp[i] == NULL)
662 continue;
663 tail = regmatch.startp[i];
664 }
665 if ((i = (int)fmt_ptr->addr[7]) > 0) /* %p */
666 {
667 if (regmatch.startp[i] == NULL || regmatch.endp[i] == NULL)
668 continue;
669 col = (int)(regmatch.endp[i] - regmatch.startp[i] + 1);
670 if (*((char_u *)regmatch.startp[i]) != TAB)
671 use_viscol = TRUE;
672 }
673 if ((i = (int)fmt_ptr->addr[8]) > 0) /* %v */
674 {
675 if (regmatch.startp[i] == NULL)
676 continue;
677 col = (int)atol((char *)regmatch.startp[i]);
678 use_viscol = TRUE;
679 }
680 if ((i = (int)fmt_ptr->addr[9]) > 0) /* %s */
681 {
682 if (regmatch.startp[i] == NULL || regmatch.endp[i] == NULL)
683 continue;
684 len = (int)(regmatch.endp[i] - regmatch.startp[i]);
685 if (len > CMDBUFFSIZE - 5)
686 len = CMDBUFFSIZE - 5;
687 STRCPY(pattern, "^\\V");
688 STRNCAT(pattern, regmatch.startp[i], len);
689 pattern[len + 3] = '\\';
690 pattern[len + 4] = '$';
691 pattern[len + 5] = NUL;
692 }
693 break;
694 }
695 }
696 multiscan = FALSE;
697
698 if (fmt_ptr == NULL || idx == 'D' || idx == 'X')
699 {
700 if (fmt_ptr != NULL)
701 {
702 if (idx == 'D') /* enter directory */
703 {
704 if (*namebuf == NUL)
705 {
706 EMSG(_("E379: Missing or empty directory name"));
707 goto error2;
708 }
709 if ((directory = qf_push_dir(namebuf, &dir_stack)) == NULL)
710 goto error2;
711 }
712 else if (idx == 'X') /* leave directory */
713 directory = qf_pop_dir(&dir_stack);
714 }
715 namebuf[0] = NUL; /* no match found, remove file name */
716 lnum = 0; /* don't jump to this line */
717 valid = FALSE;
718 STRCPY(errmsg, IObuff); /* copy whole line to error message */
719 if (fmt_ptr == NULL)
720 multiline = multiignore = FALSE;
721 }
722 else if (fmt_ptr != NULL)
723 {
724 /* honor %> item */
725 if (fmt_ptr->conthere)
726 fmt_start = fmt_ptr;
727
728 if (vim_strchr((char_u *)"AEWI", idx) != NULL)
729 multiline = TRUE; /* start of a multi-line message */
730 else if (vim_strchr((char_u *)"CZ", idx) != NULL)
731 { /* continuation of multi-line msg */
732 if (qfprev == NULL)
733 goto error2;
734 if (*errmsg && !multiignore)
735 {
736 len = (int)STRLEN(qfprev->qf_text);
737 if ((ptr = alloc((unsigned)(len + STRLEN(errmsg) + 2)))
738 == NULL)
739 goto error2;
740 STRCPY(ptr, qfprev->qf_text);
741 vim_free(qfprev->qf_text);
742 qfprev->qf_text = ptr;
743 *(ptr += len) = '\n';
744 STRCPY(++ptr, errmsg);
745 }
746 if (qfprev->qf_nr == -1)
747 qfprev->qf_nr = enr;
748 if (vim_isprintc(type) && !qfprev->qf_type)
749 qfprev->qf_type = type; /* only printable chars allowed */
750 if (!qfprev->qf_lnum)
751 qfprev->qf_lnum = lnum;
752 if (!qfprev->qf_col)
753 qfprev->qf_col = col;
754 qfprev->qf_viscol = use_viscol;
755 if (!qfprev->qf_fnum)
756 qfprev->qf_fnum = qf_get_fnum(directory,
757 *namebuf || directory ? namebuf
758 : currfile && valid ? currfile : 0);
759 if (idx == 'Z')
760 multiline = multiignore = FALSE;
761 line_breakcheck();
762 continue;
763 }
764 else if (vim_strchr((char_u *)"OPQ", idx) != NULL)
765 {
766 /* global file names */
767 valid = FALSE;
768 if (*namebuf == NUL || mch_getperm(namebuf) >= 0)
769 {
770 if (*namebuf && idx == 'P')
771 currfile = qf_push_dir(namebuf, &file_stack);
772 else if (idx == 'Q')
773 currfile = qf_pop_dir(&file_stack);
774 *namebuf = NUL;
775 if (tail && *tail)
776 {
777 STRMOVE(IObuff, skipwhite(tail));
778 multiscan = TRUE;
779 goto restofline;
780 }
781 }
782 }
783 if (fmt_ptr->flags == '-') /* generally exclude this line */
784 {
785 if (multiline)
786 multiignore = TRUE; /* also exclude continuation lines */
787 continue;
788 }
789 }
790
791 if (qf_add_entry(qi, &qfprev,
792 directory,
793 (*namebuf || directory)
794 ? namebuf
795 : ((currfile && valid) ? currfile : (char_u *)NULL),
796 0,
797 errmsg,
798 lnum,
799 col,
800 use_viscol,
801 pattern,
802 enr,
803 type,
804 valid) == FAIL)
805 goto error2;
806 line_breakcheck();
807 }
808 if (fd == NULL || !ferror(fd))
809 {
810 if (qi->qf_lists[qi->qf_curlist].qf_index == 0)
811 {
812 /* no valid entry found */
813 qi->qf_lists[qi->qf_curlist].qf_ptr =
814 qi->qf_lists[qi->qf_curlist].qf_start;
815 qi->qf_lists[qi->qf_curlist].qf_index = 1;
816 qi->qf_lists[qi->qf_curlist].qf_nonevalid = TRUE;
817 }
818 else
819 {
820 qi->qf_lists[qi->qf_curlist].qf_nonevalid = FALSE;
821 if (qi->qf_lists[qi->qf_curlist].qf_ptr == NULL)
822 qi->qf_lists[qi->qf_curlist].qf_ptr =
823 qi->qf_lists[qi->qf_curlist].qf_start;
824 }
825 /* return number of matches */
826 retval = qi->qf_lists[qi->qf_curlist].qf_count;
827 goto qf_init_ok;
828 }
829 EMSG(_(e_readerrf));
830 error2:
831 qf_free(qi, qi->qf_curlist);
832 qi->qf_listcount--;
833 if (qi->qf_curlist > 0)
834 --qi->qf_curlist;
835 qf_init_ok:
836 if (fd != NULL)
837 fclose(fd);
838 for (fmt_ptr = fmt_first; fmt_ptr != NULL; fmt_ptr = fmt_first)
839 {
840 fmt_first = fmt_ptr->next;
841 vim_free(fmt_ptr->prog);
842 vim_free(fmt_ptr);
843 }
844 qf_clean_dir_stack(&dir_stack);
845 qf_clean_dir_stack(&file_stack);
846 qf_init_end:
847 vim_free(namebuf);
848 vim_free(errmsg);
849 vim_free(pattern);
850 vim_free(fmtstr);
851
852 #ifdef FEAT_WINDOWS
853 qf_update_buffer(qi);
854 #endif
855
856 return retval;
857 }
858
859 /*
860 * Prepare for adding a new quickfix list.
861 */
862 static void
863 qf_new_list(qi)
864 qf_info_T *qi;
865 {
866 int i;
867
868 /*
869 * If the current entry is not the last entry, delete entries below
870 * the current entry. This makes it possible to browse in a tree-like
871 * way with ":grep'.
872 */
873 while (qi->qf_listcount > qi->qf_curlist + 1)
874 qf_free(qi, --qi->qf_listcount);
875
876 /*
877 * When the stack is full, remove to oldest entry
878 * Otherwise, add a new entry.
879 */
880 if (qi->qf_listcount == LISTCOUNT)
881 {
882 qf_free(qi, 0);
883 for (i = 1; i < LISTCOUNT; ++i)
884 qi->qf_lists[i - 1] = qi->qf_lists[i];
885 qi->qf_curlist = LISTCOUNT - 1;
886 }
887 else
888 qi->qf_curlist = qi->qf_listcount++;
889 qi->qf_lists[qi->qf_curlist].qf_index = 0;
890 qi->qf_lists[qi->qf_curlist].qf_count = 0;
891 }
892
893 /*
894 * Free a location list
895 */
896 static void
897 ll_free_all(pqi)
898 qf_info_T **pqi;
899 {
900 int i;
901 qf_info_T *qi;
902
903 qi = *pqi;
904 if (qi == NULL)
905 return;
906 *pqi = NULL; /* Remove reference to this list */
907
908 qi->qf_refcount--;
909 if (qi->qf_refcount < 1)
910 {
911 /* No references to this location list */
912 for (i = 0; i < qi->qf_listcount; ++i)
913 qf_free(qi, i);
914 vim_free(qi);
915 }
916 }
917
918 void
919 qf_free_all(wp)
920 win_T *wp;
921 {
922 int i;
923 qf_info_T *qi = &ql_info;
924
925 if (wp != NULL)
926 {
927 /* location list */
928 ll_free_all(&wp->w_llist);
929 ll_free_all(&wp->w_llist_ref);
930 }
931 else
932 /* quickfix list */
933 for (i = 0; i < qi->qf_listcount; ++i)
934 qf_free(qi, i);
935 }
936
937 /*
938 * Add an entry to the end of the list of errors.
939 * Returns OK or FAIL.
940 */
941 static int
942 qf_add_entry(qi, prevp, dir, fname, bufnum, mesg, lnum, col, vis_col, pattern,
943 nr, type, valid)
944 qf_info_T *qi; /* quickfix list */
945 qfline_T **prevp; /* pointer to previously added entry or NULL */
946 char_u *dir; /* optional directory name */
947 char_u *fname; /* file name or NULL */
948 int bufnum; /* buffer number or zero */
949 char_u *mesg; /* message */
950 long lnum; /* line number */
951 int col; /* column */
952 int vis_col; /* using visual column */
953 char_u *pattern; /* search pattern */
954 int nr; /* error number */
955 int type; /* type character */
956 int valid; /* valid entry */
957 {
958 qfline_T *qfp;
959
960 if ((qfp = (qfline_T *)alloc((unsigned)sizeof(qfline_T))) == NULL)
961 return FAIL;
962 if (bufnum != 0)
963 qfp->qf_fnum = bufnum;
964 else
965 qfp->qf_fnum = qf_get_fnum(dir, fname);
966 if ((qfp->qf_text = vim_strsave(mesg)) == NULL)
967 {
968 vim_free(qfp);
969 return FAIL;
970 }
971 qfp->qf_lnum = lnum;
972 qfp->qf_col = col;
973 qfp->qf_viscol = vis_col;
974 if (pattern == NULL || *pattern == NUL)
975 qfp->qf_pattern = NULL;
976 else if ((qfp->qf_pattern = vim_strsave(pattern)) == NULL)
977 {
978 vim_free(qfp->qf_text);
979 vim_free(qfp);
980 return FAIL;
981 }
982 qfp->qf_nr = nr;
983 if (type != 1 && !vim_isprintc(type)) /* only printable chars allowed */
984 type = 0;
985 qfp->qf_type = type;
986 qfp->qf_valid = valid;
987
988 if (qi->qf_lists[qi->qf_curlist].qf_count == 0)
989 /* first element in the list */
990 {
991 qi->qf_lists[qi->qf_curlist].qf_start = qfp;
992 qfp->qf_prev = qfp; /* first element points to itself */
993 }
994 else
995 {
996 qfp->qf_prev = *prevp;
997 (*prevp)->qf_next = qfp;
998 }
999 qfp->qf_next = qfp; /* last element points to itself */
1000 qfp->qf_cleared = FALSE;
1001 *prevp = qfp;
1002 ++qi->qf_lists[qi->qf_curlist].qf_count;
1003 if (qi->qf_lists[qi->qf_curlist].qf_index == 0 && qfp->qf_valid)
1004 /* first valid entry */
1005 {
1006 qi->qf_lists[qi->qf_curlist].qf_index =
1007 qi->qf_lists[qi->qf_curlist].qf_count;
1008 qi->qf_lists[qi->qf_curlist].qf_ptr = qfp;
1009 }
1010
1011 return OK;
1012 }
1013
1014 /*
1015 * Allocate a new location list
1016 */
1017 static qf_info_T *
1018 ll_new_list()
1019 {
1020 qf_info_T *qi;
1021
1022 qi = (qf_info_T *)alloc((unsigned)sizeof(qf_info_T));
1023 if (qi != NULL)
1024 {
1025 vim_memset(qi, 0, (size_t)(sizeof(qf_info_T)));
1026 qi->qf_refcount++;
1027 }
1028
1029 return qi;
1030 }
1031
1032 /*
1033 * Return the location list for window 'wp'.
1034 * If not present, allocate a location list
1035 */
1036 static qf_info_T *
1037 ll_get_or_alloc_list(wp)
1038 win_T *wp;
1039 {
1040 if (IS_LL_WINDOW(wp))
1041 /* For a location list window, use the referenced location list */
1042 return wp->w_llist_ref;
1043
1044 /*
1045 * For a non-location list window, w_llist_ref should not point to a
1046 * location list.
1047 */
1048 ll_free_all(&wp->w_llist_ref);
1049
1050 if (wp->w_llist == NULL)
1051 wp->w_llist = ll_new_list(); /* new location list */
1052 return wp->w_llist;
1053 }
1054
1055 /*
1056 * Copy the location list from window "from" to window "to".
1057 */
1058 void
1059 copy_loclist(from, to)
1060 win_T *from;
1061 win_T *to;
1062 {
1063 qf_info_T *qi;
1064 int idx;
1065 int i;
1066
1067 /*
1068 * When copying from a location list window, copy the referenced
1069 * location list. For other windows, copy the location list for
1070 * that window.
1071 */
1072 if (IS_LL_WINDOW(from))
1073 qi = from->w_llist_ref;
1074 else
1075 qi = from->w_llist;
1076
1077 if (qi == NULL) /* no location list to copy */
1078 return;
1079
1080 /* allocate a new location list */
1081 if ((to->w_llist = ll_new_list()) == NULL)
1082 return;
1083
1084 to->w_llist->qf_listcount = qi->qf_listcount;
1085
1086 /* Copy the location lists one at a time */
1087 for (idx = 0; idx < qi->qf_listcount; idx++)
1088 {
1089 qf_list_T *from_qfl;
1090 qf_list_T *to_qfl;
1091
1092 to->w_llist->qf_curlist = idx;
1093
1094 from_qfl = &qi->qf_lists[idx];
1095 to_qfl = &to->w_llist->qf_lists[idx];
1096
1097 /* Some of the fields are populated by qf_add_entry() */
1098 to_qfl->qf_nonevalid = from_qfl->qf_nonevalid;
1099 to_qfl->qf_count = 0;
1100 to_qfl->qf_index = 0;
1101 to_qfl->qf_start = NULL;
1102 to_qfl->qf_ptr = NULL;
1103
1104 if (from_qfl->qf_count)
1105 {
1106 qfline_T *from_qfp;
1107 qfline_T *prevp = NULL;
1108
1109 /* copy all the location entries in this list */
1110 for (i = 0, from_qfp = from_qfl->qf_start; i < from_qfl->qf_count;
1111 ++i, from_qfp = from_qfp->qf_next)
1112 {
1113 if (qf_add_entry(to->w_llist, &prevp,
1114 NULL,
1115 NULL,
1116 0,
1117 from_qfp->qf_text,
1118 from_qfp->qf_lnum,
1119 from_qfp->qf_col,
1120 from_qfp->qf_viscol,
1121 from_qfp->qf_pattern,
1122 from_qfp->qf_nr,
1123 0,
1124 from_qfp->qf_valid) == FAIL)
1125 {
1126 qf_free_all(to);
1127 return;
1128 }
1129 /*
1130 * qf_add_entry() will not set the qf_num field, as the
1131 * directory and file names are not supplied. So the qf_fnum
1132 * field is copied here.
1133 */
1134 prevp->qf_fnum = from_qfp->qf_fnum; /* file number */
1135 prevp->qf_type = from_qfp->qf_type; /* error type */
1136 if (from_qfl->qf_ptr == from_qfp)
1137 to_qfl->qf_ptr = prevp; /* current location */
1138 }
1139 }
1140
1141 to_qfl->qf_index = from_qfl->qf_index; /* current index in the list */
1142
1143 /* When no valid entries are present in the list, qf_ptr points to
1144 * the first item in the list */
1145 if (to_qfl->qf_nonevalid == TRUE)
1146 to_qfl->qf_ptr = to_qfl->qf_start;
1147 }
1148
1149 to->w_llist->qf_curlist = qi->qf_curlist; /* current list */
1150 }
1151
1152 /*
1153 * get buffer number for file "dir.name"
1154 */
1155 static int
1156 qf_get_fnum(directory, fname)
1157 char_u *directory;
1158 char_u *fname;
1159 {
1160 if (fname == NULL || *fname == NUL) /* no file name */
1161 return 0;
1162 {
1163 #ifdef RISCOS
1164 /* Name is reported as `main.c', but file is `c.main' */
1165 return ro_buflist_add(fname);
1166 #else
1167 char_u *ptr;
1168 int fnum;
1169
1170 # ifdef VMS
1171 vms_remove_version(fname);
1172 # endif
1173 # ifdef BACKSLASH_IN_FILENAME
1174 if (directory != NULL)
1175 slash_adjust(directory);
1176 slash_adjust(fname);
1177 # endif
1178 if (directory != NULL && !vim_isAbsName(fname)
1179 && (ptr = concat_fnames(directory, fname, TRUE)) != NULL)
1180 {
1181 /*
1182 * Here we check if the file really exists.
1183 * This should normally be true, but if make works without
1184 * "leaving directory"-messages we might have missed a
1185 * directory change.
1186 */
1187 if (mch_getperm(ptr) < 0)
1188 {
1189 vim_free(ptr);
1190 directory = qf_guess_filepath(fname);
1191 if (directory)
1192 ptr = concat_fnames(directory, fname, TRUE);
1193 else
1194 ptr = vim_strsave(fname);
1195 }
1196 /* Use concatenated directory name and file name */
1197 fnum = buflist_add(ptr, 0);
1198 vim_free(ptr);
1199 return fnum;
1200 }
1201 return buflist_add(fname, 0);
1202 #endif
1203 }
1204 }
1205
1206 /*
1207 * push dirbuf onto the directory stack and return pointer to actual dir or
1208 * NULL on error
1209 */
1210 static char_u *
1211 qf_push_dir(dirbuf, stackptr)
1212 char_u *dirbuf;
1213 struct dir_stack_T **stackptr;
1214 {
1215 struct dir_stack_T *ds_new;
1216 struct dir_stack_T *ds_ptr;
1217
1218 /* allocate new stack element and hook it in */
1219 ds_new = (struct dir_stack_T *)alloc((unsigned)sizeof(struct dir_stack_T));
1220 if (ds_new == NULL)
1221 return NULL;
1222
1223 ds_new->next = *stackptr;
1224 *stackptr = ds_new;
1225
1226 /* store directory on the stack */
1227 if (vim_isAbsName(dirbuf)
1228 || (*stackptr)->next == NULL
1229 || (*stackptr && dir_stack != *stackptr))
1230 (*stackptr)->dirname = vim_strsave(dirbuf);
1231 else
1232 {
1233 /* Okay we don't have an absolute path.
1234 * dirbuf must be a subdir of one of the directories on the stack.
1235 * Let's search...
1236 */
1237 ds_new = (*stackptr)->next;
1238 (*stackptr)->dirname = NULL;
1239 while (ds_new)
1240 {
1241 vim_free((*stackptr)->dirname);
1242 (*stackptr)->dirname = concat_fnames(ds_new->dirname, dirbuf,
1243 TRUE);
1244 if (mch_isdir((*stackptr)->dirname) == TRUE)
1245 break;
1246
1247 ds_new = ds_new->next;
1248 }
1249
1250 /* clean up all dirs we already left */
1251 while ((*stackptr)->next != ds_new)
1252 {
1253 ds_ptr = (*stackptr)->next;
1254 (*stackptr)->next = (*stackptr)->next->next;
1255 vim_free(ds_ptr->dirname);
1256 vim_free(ds_ptr);
1257 }
1258
1259 /* Nothing found -> it must be on top level */
1260 if (ds_new == NULL)
1261 {
1262 vim_free((*stackptr)->dirname);
1263 (*stackptr)->dirname = vim_strsave(dirbuf);
1264 }
1265 }
1266
1267 if ((*stackptr)->dirname != NULL)
1268 return (*stackptr)->dirname;
1269 else
1270 {
1271 ds_ptr = *stackptr;
1272 *stackptr = (*stackptr)->next;
1273 vim_free(ds_ptr);
1274 return NULL;
1275 }
1276 }
1277
1278
1279 /*
1280 * pop dirbuf from the directory stack and return previous directory or NULL if
1281 * stack is empty
1282 */
1283 static char_u *
1284 qf_pop_dir(stackptr)
1285 struct dir_stack_T **stackptr;
1286 {
1287 struct dir_stack_T *ds_ptr;
1288
1289 /* TODO: Should we check if dirbuf is the directory on top of the stack?
1290 * What to do if it isn't? */
1291
1292 /* pop top element and free it */
1293 if (*stackptr != NULL)
1294 {
1295 ds_ptr = *stackptr;
1296 *stackptr = (*stackptr)->next;
1297 vim_free(ds_ptr->dirname);
1298 vim_free(ds_ptr);
1299 }
1300
1301 /* return NEW top element as current dir or NULL if stack is empty*/
1302 return *stackptr ? (*stackptr)->dirname : NULL;
1303 }
1304
1305 /*
1306 * clean up directory stack
1307 */
1308 static void
1309 qf_clean_dir_stack(stackptr)
1310 struct dir_stack_T **stackptr;
1311 {
1312 struct dir_stack_T *ds_ptr;
1313
1314 while ((ds_ptr = *stackptr) != NULL)
1315 {
1316 *stackptr = (*stackptr)->next;
1317 vim_free(ds_ptr->dirname);
1318 vim_free(ds_ptr);
1319 }
1320 }
1321
1322 /*
1323 * Check in which directory of the directory stack the given file can be
1324 * found.
1325 * Returns a pointer to the directory name or NULL if not found
1326 * Cleans up intermediate directory entries.
1327 *
1328 * TODO: How to solve the following problem?
1329 * If we have the this directory tree:
1330 * ./
1331 * ./aa
1332 * ./aa/bb
1333 * ./bb
1334 * ./bb/x.c
1335 * and make says:
1336 * making all in aa
1337 * making all in bb
1338 * x.c:9: Error
1339 * Then qf_push_dir thinks we are in ./aa/bb, but we are in ./bb.
1340 * qf_guess_filepath will return NULL.
1341 */
1342 static char_u *
1343 qf_guess_filepath(filename)
1344 char_u *filename;
1345 {
1346 struct dir_stack_T *ds_ptr;
1347 struct dir_stack_T *ds_tmp;
1348 char_u *fullname;
1349
1350 /* no dirs on the stack - there's nothing we can do */
1351 if (dir_stack == NULL)
1352 return NULL;
1353
1354 ds_ptr = dir_stack->next;
1355 fullname = NULL;
1356 while (ds_ptr)
1357 {
1358 vim_free(fullname);
1359 fullname = concat_fnames(ds_ptr->dirname, filename, TRUE);
1360
1361 /* If concat_fnames failed, just go on. The worst thing that can happen
1362 * is that we delete the entire stack.
1363 */
1364 if ((fullname != NULL) && (mch_getperm(fullname) >= 0))
1365 break;
1366
1367 ds_ptr = ds_ptr->next;
1368 }
1369
1370 vim_free(fullname);
1371
1372 /* clean up all dirs we already left */
1373 while (dir_stack->next != ds_ptr)
1374 {
1375 ds_tmp = dir_stack->next;
1376 dir_stack->next = dir_stack->next->next;
1377 vim_free(ds_tmp->dirname);
1378 vim_free(ds_tmp);
1379 }
1380
1381 return ds_ptr==NULL? NULL: ds_ptr->dirname;
1382
1383 }
1384
1385 /*
1386 * jump to a quickfix line
1387 * if dir == FORWARD go "errornr" valid entries forward
1388 * if dir == BACKWARD go "errornr" valid entries backward
1389 * if dir == FORWARD_FILE go "errornr" valid entries files backward
1390 * if dir == BACKWARD_FILE go "errornr" valid entries files backward
1391 * else if "errornr" is zero, redisplay the same line
1392 * else go to entry "errornr"
1393 */
1394 void
1395 qf_jump(qi, dir, errornr, forceit)
1396 qf_info_T *qi;
1397 int dir;
1398 int errornr;
1399 int forceit;
1400 {
1401 qf_info_T *ll_ref;
1402 qfline_T *qf_ptr;
1403 qfline_T *old_qf_ptr;
1404 int qf_index;
1405 int old_qf_fnum;
1406 int old_qf_index;
1407 int prev_index;
1408 static char_u *e_no_more_items = (char_u *)N_("E553: No more items");
1409 char_u *err = e_no_more_items;
1410 linenr_T i;
1411 buf_T *old_curbuf;
1412 linenr_T old_lnum;
1413 colnr_T screen_col;
1414 colnr_T char_col;
1415 char_u *line;
1416 #ifdef FEAT_WINDOWS
1417 char_u *old_swb = p_swb;
1418 unsigned old_swb_flags = swb_flags;
1419 int opened_window = FALSE;
1420 win_T *win;
1421 win_T *altwin;
1422 int flags;
1423 #endif
1424 win_T *oldwin = curwin;
1425 int print_message = TRUE;
1426 int len;
1427 #ifdef FEAT_FOLDING
1428 int old_KeyTyped = KeyTyped; /* getting file may reset it */
1429 #endif
1430 int ok = OK;
1431 int usable_win;
1432
1433 if (qi == NULL)
1434 qi = &ql_info;
1435
1436 if (qi->qf_curlist >= qi->qf_listcount
1437 || qi->qf_lists[qi->qf_curlist].qf_count == 0)
1438 {
1439 EMSG(_(e_quickfix));
1440 return;
1441 }
1442
1443 qf_ptr = qi->qf_lists[qi->qf_curlist].qf_ptr;
1444 old_qf_ptr = qf_ptr;
1445 qf_index = qi->qf_lists[qi->qf_curlist].qf_index;
1446 old_qf_index = qf_index;
1447 if (dir == FORWARD || dir == FORWARD_FILE) /* next valid entry */
1448 {
1449 while (errornr--)
1450 {
1451 old_qf_ptr = qf_ptr;
1452 prev_index = qf_index;
1453 old_qf_fnum = qf_ptr->qf_fnum;
1454 do
1455 {
1456 if (qf_index == qi->qf_lists[qi->qf_curlist].qf_count
1457 || qf_ptr->qf_next == NULL)
1458 {
1459 qf_ptr = old_qf_ptr;
1460 qf_index = prev_index;
1461 if (err != NULL)
1462 {
1463 EMSG(_(err));
1464 goto theend;
1465 }
1466 errornr = 0;
1467 break;
1468 }
1469 ++qf_index;
1470 qf_ptr = qf_ptr->qf_next;
1471 } while ((!qi->qf_lists[qi->qf_curlist].qf_nonevalid
1472 && !qf_ptr->qf_valid)
1473 || (dir == FORWARD_FILE && qf_ptr->qf_fnum == old_qf_fnum));
1474 err = NULL;
1475 }
1476 }
1477 else if (dir == BACKWARD || dir == BACKWARD_FILE) /* prev. valid entry */
1478 {
1479 while (errornr--)
1480 {
1481 old_qf_ptr = qf_ptr;
1482 prev_index = qf_index;
1483 old_qf_fnum = qf_ptr->qf_fnum;
1484 do
1485 {
1486 if (qf_index == 1 || qf_ptr->qf_prev == NULL)
1487 {
1488 qf_ptr = old_qf_ptr;
1489 qf_index = prev_index;
1490 if (err != NULL)
1491 {
1492 EMSG(_(err));
1493 goto theend;
1494 }
1495 errornr = 0;
1496 break;
1497 }
1498 --qf_index;
1499 qf_ptr = qf_ptr->qf_prev;
1500 } while ((!qi->qf_lists[qi->qf_curlist].qf_nonevalid
1501 && !qf_ptr->qf_valid)
1502 || (dir == BACKWARD_FILE && qf_ptr->qf_fnum == old_qf_fnum));
1503 err = NULL;
1504 }
1505 }
1506 else if (errornr != 0) /* go to specified number */
1507 {
1508 while (errornr < qf_index && qf_index > 1 && qf_ptr->qf_prev != NULL)
1509 {
1510 --qf_index;
1511 qf_ptr = qf_ptr->qf_prev;
1512 }
1513 while (errornr > qf_index && qf_index <
1514 qi->qf_lists[qi->qf_curlist].qf_count
1515 && qf_ptr->qf_next != NULL)
1516 {
1517 ++qf_index;
1518 qf_ptr = qf_ptr->qf_next;
1519 }
1520 }
1521
1522 #ifdef FEAT_WINDOWS
1523 qi->qf_lists[qi->qf_curlist].qf_index = qf_index;
1524 if (qf_win_pos_update(qi, old_qf_index))
1525 /* No need to print the error message if it's visible in the error
1526 * window */
1527 print_message = FALSE;
1528
1529 /*
1530 * For ":helpgrep" find a help window or open one.
1531 */
1532 if (qf_ptr->qf_type == 1 && (!curwin->w_buffer->b_help || cmdmod.tab != 0))
1533 {
1534 win_T *wp;
1535
1536 if (cmdmod.tab != 0)
1537 wp = NULL;
1538 else
1539 for (wp = firstwin; wp != NULL; wp = wp->w_next)
1540 if (wp->w_buffer != NULL && wp->w_buffer->b_help)
1541 break;
1542 if (wp != NULL && wp->w_buffer->b_nwindows > 0)
1543 win_enter(wp, TRUE);
1544 else
1545 {
1546 /*
1547 * Split off help window; put it at far top if no position
1548 * specified, the current window is vertically split and narrow.
1549 */
1550 flags = WSP_HELP;
1551 # ifdef FEAT_VERTSPLIT
1552 if (cmdmod.split == 0 && curwin->w_width != Columns
1553 && curwin->w_width < 80)
1554 flags |= WSP_TOP;
1555 # endif
1556 if (qi != &ql_info)
1557 flags |= WSP_NEWLOC; /* don't copy the location list */
1558
1559 if (win_split(0, flags) == FAIL)
1560 goto theend;
1561 opened_window = TRUE; /* close it when fail */
1562
1563 if (curwin->w_height < p_hh)
1564 win_setheight((int)p_hh);
1565
1566 if (qi != &ql_info) /* not a quickfix list */
1567 {
1568 /* The new window should use the supplied location list */
1569 curwin->w_llist = qi;
1570 qi->qf_refcount++;
1571 }
1572 }
1573
1574 if (!p_im)
1575 restart_edit = 0; /* don't want insert mode in help file */
1576 }
1577
1578 /*
1579 * If currently in the quickfix window, find another window to show the
1580 * file in.
1581 */
1582 if (bt_quickfix(curbuf) && !opened_window)
1583 {
1584 /*
1585 * If there is no file specified, we don't know where to go.
1586 * But do advance, otherwise ":cn" gets stuck.
1587 */
1588 if (qf_ptr->qf_fnum == 0)
1589 goto theend;
1590
1591 /* Locate a window showing a normal buffer */
1592 usable_win = 0;
1593 FOR_ALL_WINDOWS(win)
1594 if (win->w_buffer->b_p_bt[0] == NUL)
1595 {
1596 usable_win = 1;
1597 break;
1598 }
1599
1600 /*
1601 * If no usable window is found and 'switchbuf' contains "usetab"
1602 * then search in other tabs.
1603 */
1604 if (!usable_win && (swb_flags & SWB_USETAB))
1605 {
1606 tabpage_T *tp;
1607 win_T *wp;
1608
1609 FOR_ALL_TAB_WINDOWS(tp, wp)
1610 {
1611 if (wp->w_buffer->b_fnum == qf_ptr->qf_fnum)
1612 {
1613 goto_tabpage_win(tp, wp);
1614 usable_win = 1;
1615 goto win_found;
1616 }
1617 }
1618 }
1619 win_found:
1620
1621 /*
1622 * If there is only one window and it is the quickfix window, create a
1623 * new one above the quickfix window.
1624 */
1625 if (((firstwin == lastwin) && bt_quickfix(curbuf)) || !usable_win)
1626 {
1627 ll_ref = curwin->w_llist_ref;
1628
1629 flags = WSP_ABOVE;
1630 if (ll_ref != NULL)
1631 flags |= WSP_NEWLOC;
1632 if (win_split(0, flags) == FAIL)
1633 goto failed; /* not enough room for window */
1634 opened_window = TRUE; /* close it when fail */
1635 p_swb = empty_option; /* don't split again */
1636 swb_flags = 0;
1637 # ifdef FEAT_SCROLLBIND
1638 curwin->w_p_scb = FALSE;
1639 # endif
1640 if (ll_ref != NULL)
1641 {
1642 /* The new window should use the location list from the
1643 * location list window */
1644 curwin->w_llist = ll_ref;
1645 ll_ref->qf_refcount++;
1646 }
1647 }
1648 else
1649 {
1650 if (curwin->w_llist_ref != NULL)
1651 {
1652 /* In a location window */
1653 ll_ref = curwin->w_llist_ref;
1654
1655 /* Find the window with the same location list */
1656 FOR_ALL_WINDOWS(win)
1657 if (win->w_llist == ll_ref)
1658 break;
1659 if (win == NULL)
1660 {
1661 /* Find the window showing the selected file */
1662 FOR_ALL_WINDOWS(win)
1663 if (win->w_buffer->b_fnum == qf_ptr->qf_fnum)
1664 break;
1665 if (win == NULL)
1666 {
1667 /* Find a previous usable window */
1668 win = curwin;
1669 do
1670 {
1671 if (win->w_buffer->b_p_bt[0] == NUL)
1672 break;
1673 if (win->w_prev == NULL)
1674 win = lastwin; /* wrap around the top */
1675 else
1676 win = win->w_prev; /* go to previous window */
1677 } while (win != curwin);
1678 }
1679 }
1680 win_goto(win);
1681
1682 /* If the location list for the window is not set, then set it
1683 * to the location list from the location window */
1684 if (win->w_llist == NULL)
1685 {
1686 win->w_llist = ll_ref;
1687 ll_ref->qf_refcount++;
1688 }
1689 }
1690 else
1691 {
1692
1693 /*
1694 * Try to find a window that shows the right buffer.
1695 * Default to the window just above the quickfix buffer.
1696 */
1697 win = curwin;
1698 altwin = NULL;
1699 for (;;)
1700 {
1701 if (win->w_buffer->b_fnum == qf_ptr->qf_fnum)
1702 break;
1703 if (win->w_prev == NULL)
1704 win = lastwin; /* wrap around the top */
1705 else
1706 win = win->w_prev; /* go to previous window */
1707
1708 if (IS_QF_WINDOW(win))
1709 {
1710 /* Didn't find it, go to the window before the quickfix
1711 * window. */
1712 if (altwin != NULL)
1713 win = altwin;
1714 else if (curwin->w_prev != NULL)
1715 win = curwin->w_prev;
1716 else
1717 win = curwin->w_next;
1718 break;
1719 }
1720
1721 /* Remember a usable window. */
1722 if (altwin == NULL && !win->w_p_pvw
1723 && win->w_buffer->b_p_bt[0] == NUL)
1724 altwin = win;
1725 }
1726
1727 win_goto(win);
1728 }
1729 }
1730 }
1731 #endif
1732
1733 /*
1734 * If there is a file name,
1735 * read the wanted file if needed, and check autowrite etc.
1736 */
1737 old_curbuf = curbuf;
1738 old_lnum = curwin->w_cursor.lnum;
1739
1740 if (qf_ptr->qf_fnum != 0)
1741 {
1742 if (qf_ptr->qf_type == 1)
1743 {
1744 /* Open help file (do_ecmd() will set b_help flag, readfile() will
1745 * set b_p_ro flag). */
1746 if (!can_abandon(curbuf, forceit))
1747 {
1748 EMSG(_(e_nowrtmsg));
1749 ok = FALSE;
1750 }
1751 else
1752 ok = do_ecmd(qf_ptr->qf_fnum, NULL, NULL, NULL, (linenr_T)1,
1753 ECMD_HIDE + ECMD_SET_HELP,
1754 oldwin == curwin ? curwin : NULL);
1755 }
1756 else
1757 ok = buflist_getfile(qf_ptr->qf_fnum,
1758 (linenr_T)1, GETF_SETMARK | GETF_SWITCH, forceit);
1759 }
1760
1761 if (ok == OK)
1762 {
1763 /* When not switched to another buffer, still need to set pc mark */
1764 if (curbuf == old_curbuf)
1765 setpcmark();
1766
1767 if (qf_ptr->qf_pattern == NULL)
1768 {
1769 /*
1770 * Go to line with error, unless qf_lnum is 0.
1771 */
1772 i = qf_ptr->qf_lnum;
1773 if (i > 0)
1774 {
1775 if (i > curbuf->b_ml.ml_line_count)
1776 i = curbuf->b_ml.ml_line_count;
1777 curwin->w_cursor.lnum = i;
1778 }
1779 if (qf_ptr->qf_col > 0)
1780 {
1781 curwin->w_cursor.col = qf_ptr->qf_col - 1;
1782 if (qf_ptr->qf_viscol == TRUE)
1783 {
1784 /*
1785 * Check each character from the beginning of the error
1786 * line up to the error column. For each tab character
1787 * found, reduce the error column value by the length of
1788 * a tab character.
1789 */
1790 line = ml_get_curline();
1791 screen_col = 0;
1792 for (char_col = 0; char_col < curwin->w_cursor.col; ++char_col)
1793 {
1794 if (*line == NUL)
1795 break;
1796 if (*line++ == '\t')
1797 {
1798 curwin->w_cursor.col -= 7 - (screen_col % 8);
1799 screen_col += 8 - (screen_col % 8);
1800 }
1801 else
1802 ++screen_col;
1803 }
1804 }
1805 check_cursor();
1806 }
1807 else
1808 beginline(BL_WHITE | BL_FIX);
1809 }
1810 else
1811 {
1812 pos_T save_cursor;
1813
1814 /* Move the cursor to the first line in the buffer */
1815 save_cursor = curwin->w_cursor;
1816 curwin->w_cursor.lnum = 0;
1817 if (!do_search(NULL, '/', qf_ptr->qf_pattern, (long)1,
1818 SEARCH_KEEP, NULL))
1819 curwin->w_cursor = save_cursor;
1820 }
1821
1822 #ifdef FEAT_FOLDING
1823 if ((fdo_flags & FDO_QUICKFIX) && old_KeyTyped)
1824 foldOpenCursor();
1825 #endif
1826 if (print_message)
1827 {
1828 /* Update the screen before showing the message */
1829 update_topline_redraw();
1830 sprintf((char *)IObuff, _("(%d of %d)%s%s: "), qf_index,
1831 qi->qf_lists[qi->qf_curlist].qf_count,
1832 qf_ptr->qf_cleared ? _(" (line deleted)") : "",
1833 (char *)qf_types(qf_ptr->qf_type, qf_ptr->qf_nr));
1834 /* Add the message, skipping leading whitespace and newlines. */
1835 len = (int)STRLEN(IObuff);
1836 qf_fmt_text(skipwhite(qf_ptr->qf_text), IObuff + len, IOSIZE - len);
1837
1838 /* Output the message. Overwrite to avoid scrolling when the 'O'
1839 * flag is present in 'shortmess'; But when not jumping, print the
1840 * whole message. */
1841 i = msg_scroll;
1842 if (curbuf == old_curbuf && curwin->w_cursor.lnum == old_lnum)
1843 msg_scroll = TRUE;
1844 else if (!msg_scrolled && shortmess(SHM_OVERALL))
1845 msg_scroll = FALSE;
1846 msg_attr_keep(IObuff, 0, TRUE);
1847 msg_scroll = i;
1848 }
1849 }
1850 else
1851 {
1852 #ifdef FEAT_WINDOWS
1853 if (opened_window)
1854 win_close(curwin, TRUE); /* Close opened window */
1855 #endif
1856 if (qf_ptr->qf_fnum != 0)
1857 {
1858 /*
1859 * Couldn't open file, so put index back where it was. This could
1860 * happen if the file was readonly and we changed something.
1861 */
1862 #ifdef FEAT_WINDOWS
1863 failed:
1864 #endif
1865 qf_ptr = old_qf_ptr;
1866 qf_index = old_qf_index;
1867 }
1868 }
1869 theend:
1870 qi->qf_lists[qi->qf_curlist].qf_ptr = qf_ptr;
1871 qi->qf_lists[qi->qf_curlist].qf_index = qf_index;
1872 #ifdef FEAT_WINDOWS
1873 if (p_swb != old_swb && opened_window)
1874 {
1875 /* Restore old 'switchbuf' value, but not when an autocommand or
1876 * modeline has changed the value. */
1877 if (p_swb == empty_option)
1878 {
1879 p_swb = old_swb;
1880 swb_flags = old_swb_flags;
1881 }
1882 else
1883 free_string_option(old_swb);
1884 }
1885 #endif
1886 }
1887
1888 /*
1889 * ":clist": list all errors
1890 * ":llist": list all locations
1891 */
1892 void
1893 qf_list(eap)
1894 exarg_T *eap;
1895 {
1896 buf_T *buf;
1897 char_u *fname;
1898 qfline_T *qfp;
1899 int i;
1900 int idx1 = 1;
1901 int idx2 = -1;
1902 int need_return = TRUE;
1903 char_u *arg = eap->arg;
1904 int all = eap->forceit; /* if not :cl!, only show
1905 recognised errors */
1906 qf_info_T *qi = &ql_info;
1907
1908 if (eap->cmdidx == CMD_llist)
1909 {
1910 qi = GET_LOC_LIST(curwin);
1911 if (qi == NULL)
1912 {
1913 EMSG(_(e_loclist));
1914 return;
1915 }
1916 }
1917
1918 if (qi->qf_curlist >= qi->qf_listcount
1919 || qi->qf_lists[qi->qf_curlist].qf_count == 0)
1920 {
1921 EMSG(_(e_quickfix));
1922 return;
1923 }
1924 if (!get_list_range(&arg, &idx1, &idx2) || *arg != NUL)
1925 {
1926 EMSG(_(e_trailing));
1927 return;
1928 }
1929 i = qi->qf_lists[qi->qf_curlist].qf_count;
1930 if (idx1 < 0)
1931 idx1 = (-idx1 > i) ? 0 : idx1 + i + 1;
1932 if (idx2 < 0)
1933 idx2 = (-idx2 > i) ? 0 : idx2 + i + 1;
1934
1935 if (qi->qf_lists[qi->qf_curlist].qf_nonevalid)
1936 all = TRUE;
1937 qfp = qi->qf_lists[qi->qf_curlist].qf_start;
1938 for (i = 1; !got_int && i <= qi->qf_lists[qi->qf_curlist].qf_count; )
1939 {
1940 if ((qfp->qf_valid || all) && idx1 <= i && i <= idx2)
1941 {
1942 if (need_return)
1943 {
1944 msg_putchar('\n');
1945 if (got_int)
1946 break;
1947 need_return = FALSE;
1948 }
1949
1950 fname = NULL;
1951 if (qfp->qf_fnum != 0
1952 && (buf = buflist_findnr(qfp->qf_fnum)) != NULL)
1953 {
1954 fname = buf->b_fname;
1955 if (qfp->qf_type == 1) /* :helpgrep */
1956 fname = gettail(fname);
1957 }
1958 if (fname == NULL)
1959 sprintf((char *)IObuff, "%2d", i);
1960 else
1961 vim_snprintf((char *)IObuff, IOSIZE, "%2d %s",
1962 i, (char *)fname);
1963 msg_outtrans_attr(IObuff, i == qi->qf_lists[qi->qf_curlist].qf_index
1964 ? hl_attr(HLF_L) : hl_attr(HLF_D));
1965 if (qfp->qf_lnum == 0)
1966 IObuff[0] = NUL;
1967 else if (qfp->qf_col == 0)
1968 sprintf((char *)IObuff, ":%ld", qfp->qf_lnum);
1969 else
1970 sprintf((char *)IObuff, ":%ld col %d",
1971 qfp->qf_lnum, qfp->qf_col);
1972 sprintf((char *)IObuff + STRLEN(IObuff), "%s:",
1973 (char *)qf_types(qfp->qf_type, qfp->qf_nr));
1974 msg_puts_attr(IObuff, hl_attr(HLF_N));
1975 if (qfp->qf_pattern != NULL)
1976 {
1977 qf_fmt_text(qfp->qf_pattern, IObuff, IOSIZE);
1978 STRCAT(IObuff, ":");
1979 msg_puts(IObuff);
1980 }
1981 msg_puts((char_u *)" ");
1982
1983 /* Remove newlines and leading whitespace from the text. For an
1984 * unrecognized line keep the indent, the compiler may mark a word
1985 * with ^^^^. */
1986 qf_fmt_text((fname != NULL || qfp->qf_lnum != 0)
1987 ? skipwhite(qfp->qf_text) : qfp->qf_text,
1988 IObuff, IOSIZE);
1989 msg_prt_line(IObuff, FALSE);
1990 out_flush(); /* show one line at a time */
1991 need_return = TRUE;
1992 }
1993
1994 qfp = qfp->qf_next;
1995 ++i;
1996 ui_breakcheck();
1997 }
1998 }
1999
2000 /*
2001 * Remove newlines and leading whitespace from an error message.
2002 * Put the result in "buf[bufsize]".
2003 */
2004 static void
2005 qf_fmt_text(text, buf, bufsize)
2006 char_u *text;
2007 char_u *buf;
2008 int bufsize;
2009 {
2010 int i;
2011 char_u *p = text;
2012
2013 for (i = 0; *p != NUL && i < bufsize - 1; ++i)
2014 {
2015 if (*p == '\n')
2016 {
2017 buf[i] = ' ';
2018 while (*++p != NUL)
2019 if (!vim_iswhite(*p) && *p != '\n')
2020 break;
2021 }
2022 else
2023 buf[i] = *p++;
2024 }
2025 buf[i] = NUL;
2026 }
2027
2028 /*
2029 * ":colder [count]": Up in the quickfix stack.
2030 * ":cnewer [count]": Down in the quickfix stack.
2031 * ":lolder [count]": Up in the location list stack.
2032 * ":lnewer [count]": Down in the location list stack.
2033 */
2034 void
2035 qf_age(eap)
2036 exarg_T *eap;
2037 {
2038 qf_info_T *qi = &ql_info;
2039 int count;
2040
2041 if (eap->cmdidx == CMD_lolder || eap->cmdidx == CMD_lnewer)
2042 {
2043 qi = GET_LOC_LIST(curwin);
2044 if (qi == NULL)
2045 {
2046 EMSG(_(e_loclist));
2047 return;
2048 }
2049 }
2050
2051 if (eap->addr_count != 0)
2052 count = eap->line2;
2053 else
2054 count = 1;
2055 while (count--)
2056 {
2057 if (eap->cmdidx == CMD_colder || eap->cmdidx == CMD_lolder)
2058 {
2059 if (qi->qf_curlist == 0)
2060 {
2061 EMSG(_("E380: At bottom of quickfix stack"));
2062 return;
2063 }
2064 --qi->qf_curlist;
2065 }
2066 else
2067 {
2068 if (qi->qf_curlist >= qi->qf_listcount - 1)
2069 {
2070 EMSG(_("E381: At top of quickfix stack"));
2071 return;
2072 }
2073 ++qi->qf_curlist;
2074 }
2075 }
2076 qf_msg(qi);
2077
2078 }
2079
2080 static void
2081 qf_msg(qi)
2082 qf_info_T *qi;
2083 {
2084 smsg((char_u *)_("error list %d of %d; %d errors"),
2085 qi->qf_curlist + 1, qi->qf_listcount,
2086 qi->qf_lists[qi->qf_curlist].qf_count);
2087 #ifdef FEAT_WINDOWS
2088 qf_update_buffer(qi);
2089 #endif
2090 }
2091
2092 /*
2093 * Free error list "idx".
2094 */
2095 static void
2096 qf_free(qi, idx)
2097 qf_info_T *qi;
2098 int idx;
2099 {
2100 qfline_T *qfp;
2101
2102 while (qi->qf_lists[idx].qf_count)
2103 {
2104 qfp = qi->qf_lists[idx].qf_start->qf_next;
2105 vim_free(qi->qf_lists[idx].qf_start->qf_text);
2106 vim_free(qi->qf_lists[idx].qf_start->qf_pattern);
2107 vim_free(qi->qf_lists[idx].qf_start);
2108 qi->qf_lists[idx].qf_start = qfp;
2109 --qi->qf_lists[idx].qf_count;
2110 }
2111 }
2112
2113 /*
2114 * qf_mark_adjust: adjust marks
2115 */
2116 void
2117 qf_mark_adjust(wp, line1, line2, amount, amount_after)
2118 win_T *wp;
2119 linenr_T line1;
2120 linenr_T line2;
2121 long amount;
2122 long amount_after;
2123 {
2124 int i;
2125 qfline_T *qfp;
2126 int idx;
2127 qf_info_T *qi = &ql_info;
2128
2129 if (wp != NULL)
2130 {
2131 if (wp->w_llist == NULL)
2132 return;
2133 qi = wp->w_llist;
2134 }
2135
2136 for (idx = 0; idx < qi->qf_listcount; ++idx)
2137 if (qi->qf_lists[idx].qf_count)
2138 for (i = 0, qfp = qi->qf_lists[idx].qf_start;
2139 i < qi->qf_lists[idx].qf_count; ++i, qfp = qfp->qf_next)
2140 if (qfp->qf_fnum == curbuf->b_fnum)
2141 {
2142 if (qfp->qf_lnum >= line1 && qfp->qf_lnum <= line2)
2143 {
2144 if (amount == MAXLNUM)
2145 qfp->qf_cleared = TRUE;
2146 else
2147 qfp->qf_lnum += amount;
2148 }
2149 else if (amount_after && qfp->qf_lnum > line2)
2150 qfp->qf_lnum += amount_after;
2151 }
2152 }
2153
2154 /*
2155 * Make a nice message out of the error character and the error number:
2156 * char number message
2157 * e or E 0 " error"
2158 * w or W 0 " warning"
2159 * i or I 0 " info"
2160 * 0 0 ""
2161 * other 0 " c"
2162 * e or E n " error n"
2163 * w or W n " warning n"
2164 * i or I n " info n"
2165 * 0 n " error n"
2166 * other n " c n"
2167 * 1 x "" :helpgrep
2168 */
2169 static char_u *
2170 qf_types(c, nr)
2171 int c, nr;
2172 {
2173 static char_u buf[20];
2174 static char_u cc[3];
2175 char_u *p;
2176
2177 if (c == 'W' || c == 'w')
2178 p = (char_u *)" warning";
2179 else if (c == 'I' || c == 'i')
2180 p = (char_u *)" info";
2181 else if (c == 'E' || c == 'e' || (c == 0 && nr > 0))
2182 p = (char_u *)" error";
2183 else if (c == 0 || c == 1)
2184 p = (char_u *)"";
2185 else
2186 {
2187 cc[0] = ' ';
2188 cc[1] = c;
2189 cc[2] = NUL;
2190 p = cc;
2191 }
2192
2193 if (nr <= 0)
2194 return p;
2195
2196 sprintf((char *)buf, "%s %3d", (char *)p, nr);
2197 return buf;
2198 }
2199
2200 #if defined(FEAT_WINDOWS) || defined(PROTO)
2201 /*
2202 * ":cwindow": open the quickfix window if we have errors to display,
2203 * close it if not.
2204 * ":lwindow": open the location list window if we have locations to display,
2205 * close it if not.
2206 */
2207 void
2208 ex_cwindow(eap)
2209 exarg_T *eap;
2210 {
2211 qf_info_T *qi = &ql_info;
2212 win_T *win;
2213
2214 if (eap->cmdidx == CMD_lwindow)
2215 {
2216 qi = GET_LOC_LIST(curwin);
2217 if (qi == NULL)
2218 return;
2219 }
2220
2221 /* Look for an existing quickfix window. */
2222 win = qf_find_win(qi);
2223
2224 /*
2225 * If a quickfix window is open but we have no errors to display,
2226 * close the window. If a quickfix window is not open, then open
2227 * it if we have errors; otherwise, leave it closed.
2228 */
2229 if (qi->qf_lists[qi->qf_curlist].qf_nonevalid
2230 || qi->qf_curlist >= qi->qf_listcount)
2231 {
2232 if (win != NULL)
2233 ex_cclose(eap);
2234 }
2235 else if (win == NULL)
2236 ex_copen(eap);
2237 }
2238
2239 /*
2240 * ":cclose": close the window showing the list of errors.
2241 * ":lclose": close the window showing the location list
2242 */
2243 void
2244 ex_cclose(eap)
2245 exarg_T *eap;
2246 {
2247 win_T *win = NULL;
2248 qf_info_T *qi = &ql_info;
2249
2250 if (eap->cmdidx == CMD_lclose || eap->cmdidx == CMD_lwindow)
2251 {
2252 qi = GET_LOC_LIST(curwin);
2253 if (qi == NULL)
2254 return;
2255 }
2256
2257 /* Find existing quickfix window and close it. */
2258 win = qf_find_win(qi);
2259 if (win != NULL)
2260 win_close(win, FALSE);
2261 }
2262
2263 /*
2264 * ":copen": open a window that shows the list of errors.
2265 * ":lopen": open a window that shows the location list.
2266 */
2267 void
2268 ex_copen(eap)
2269 exarg_T *eap;
2270 {
2271 qf_info_T *qi = &ql_info;
2272 int height;
2273 win_T *win;
2274 tabpage_T *prevtab = curtab;
2275 buf_T *qf_buf;
2276 win_T *oldwin = curwin;
2277
2278 if (eap->cmdidx == CMD_lopen || eap->cmdidx == CMD_lwindow)
2279 {
2280 qi = GET_LOC_LIST(curwin);
2281 if (qi == NULL)
2282 {
2283 EMSG(_(e_loclist));
2284 return;
2285 }
2286 }
2287
2288 if (eap->addr_count != 0)
2289 height = eap->line2;
2290 else
2291 height = QF_WINHEIGHT;
2292
2293 #ifdef FEAT_VISUAL
2294 reset_VIsual_and_resel(); /* stop Visual mode */
2295 #endif
2296 #ifdef FEAT_GUI
2297 need_mouse_correct = TRUE;
2298 #endif
2299
2300 /*
2301 * Find existing quickfix window, or open a new one.
2302 */
2303 win = qf_find_win(qi);
2304
2305 if (win != NULL && cmdmod.tab == 0)
2306 win_goto(win);
2307 else
2308 {
2309 qf_buf = qf_find_buf(qi);
2310
2311 /* The current window becomes the previous window afterwards. */
2312 win = curwin;
2313
2314 if (eap->cmdidx == CMD_copen || eap->cmdidx == CMD_cwindow)
2315 /* Create the new window at the very bottom. */
2316 win_goto(lastwin);
2317 if (win_split(height, WSP_BELOW | WSP_NEWLOC) == FAIL)
2318 return; /* not enough room for window */
2319 #ifdef FEAT_SCROLLBIND
2320 curwin->w_p_scb = FALSE;
2321 #endif
2322
2323 if (eap->cmdidx == CMD_lopen || eap->cmdidx == CMD_lwindow)
2324 {
2325 /*
2326 * For the location list window, create a reference to the
2327 * location list from the window 'win'.
2328 */
2329 curwin->w_llist_ref = win->w_llist;
2330 win->w_llist->qf_refcount++;
2331 }
2332
2333 if (oldwin != curwin)
2334 oldwin = NULL; /* don't store info when in another window */
2335 if (qf_buf != NULL)
2336 /* Use the existing quickfix buffer */
2337 (void)do_ecmd(qf_buf->b_fnum, NULL, NULL, NULL, ECMD_ONE,
2338 ECMD_HIDE + ECMD_OLDBUF, oldwin);
2339 else
2340 {
2341 /* Create a new quickfix buffer */
2342 (void)do_ecmd(0, NULL, NULL, NULL, ECMD_ONE, ECMD_HIDE, oldwin);
2343 /* switch off 'swapfile' */
2344 set_option_value((char_u *)"swf", 0L, NULL, OPT_LOCAL);
2345 set_option_value((char_u *)"bt", 0L, (char_u *)"quickfix",
2346 OPT_LOCAL);
2347 set_option_value((char_u *)"bh", 0L, (char_u *)"wipe", OPT_LOCAL);
2348 #ifdef FEAT_DIFF
2349 curwin->w_p_diff = FALSE;
2350 #endif
2351 #ifdef FEAT_FOLDING
2352 set_option_value((char_u *)"fdm", 0L, (char_u *)"manual",
2353 OPT_LOCAL);
2354 #endif
2355 }
2356
2357 /* Only set the height when still in the same tab page and there is no
2358 * window to the side. */
2359 if (curtab == prevtab
2360 #ifdef FEAT_VERTSPLIT
2361 && curwin->w_width == Columns
2362 #endif
2363 )
2364 win_setheight(height);
2365 curwin->w_p_wfh = TRUE; /* set 'winfixheight' */
2366 if (win_valid(win))
2367 prevwin = win;
2368 }
2369
2370 /*
2371 * Fill the buffer with the quickfix list.
2372 */
2373 qf_fill_buffer(qi);
2374
2375 curwin->w_cursor.lnum = qi->qf_lists[qi->qf_curlist].qf_index;
2376 curwin->w_cursor.col = 0;
2377 check_cursor();
2378 update_topline(); /* scroll to show the line */
2379 }
2380
2381 /*
2382 * Return the number of the current entry (line number in the quickfix
2383 * window).
2384 */
2385 linenr_T
2386 qf_current_entry(wp)
2387 win_T *wp;
2388 {
2389 qf_info_T *qi = &ql_info;
2390
2391 if (IS_LL_WINDOW(wp))
2392 /* In the location list window, use the referenced location list */
2393 qi = wp->w_llist_ref;
2394
2395 return qi->qf_lists[qi->qf_curlist].qf_index;
2396 }
2397
2398 /*
2399 * Update the cursor position in the quickfix window to the current error.
2400 * Return TRUE if there is a quickfix window.
2401 */
2402 static int
2403 qf_win_pos_update(qi, old_qf_index)
2404 qf_info_T *qi;
2405 int old_qf_index; /* previous qf_index or zero */
2406 {
2407 win_T *win;
2408 int qf_index = qi->qf_lists[qi->qf_curlist].qf_index;
2409
2410 /*
2411 * Put the cursor on the current error in the quickfix window, so that
2412 * it's viewable.
2413 */
2414 win = qf_find_win(qi);
2415 if (win != NULL
2416 && qf_index <= win->w_buffer->b_ml.ml_line_count
2417 && old_qf_index != qf_index)
2418 {
2419 win_T *old_curwin = curwin;
2420
2421 curwin = win;
2422 curbuf = win->w_buffer;
2423 if (qf_index > old_qf_index)
2424 {
2425 curwin->w_redraw_top = old_qf_index;
2426 curwin->w_redraw_bot = qf_index;
2427 }
2428 else
2429 {
2430 curwin->w_redraw_top = qf_index;
2431 curwin->w_redraw_bot = old_qf_index;
2432 }
2433 curwin->w_cursor.lnum = qf_index;
2434 curwin->w_cursor.col = 0;
2435 update_topline(); /* scroll to show the line */
2436 redraw_later(VALID);
2437 curwin->w_redr_status = TRUE; /* update ruler */
2438 curwin = old_curwin;
2439 curbuf = curwin->w_buffer;
2440 }
2441 return win != NULL;
2442 }
2443
2444 /*
2445 * Check whether the given window is displaying the specified quickfix/location
2446 * list buffer
2447 */
2448 static int
2449 is_qf_win(win, qi)
2450 win_T *win;
2451 qf_info_T *qi;
2452 {
2453 /*
2454 * A window displaying the quickfix buffer will have the w_llist_ref field
2455 * set to NULL.
2456 * A window displaying a location list buffer will have the w_llist_ref
2457 * pointing to the location list.
2458 */
2459 if (bt_quickfix(win->w_buffer))
2460 if ((qi == &ql_info && win->w_llist_ref == NULL)
2461 || (qi != &ql_info && win->w_llist_ref == qi))
2462 return TRUE;
2463
2464 return FALSE;
2465 }
2466
2467 /*
2468 * Find a window displaying the quickfix/location list 'qi'
2469 * Searches in only the windows opened in the current tab.
2470 */
2471 static win_T *
2472 qf_find_win(qi)
2473 qf_info_T *qi;
2474 {
2475 win_T *win;
2476
2477 FOR_ALL_WINDOWS(win)
2478 if (is_qf_win(win, qi))
2479 break;
2480
2481 return win;
2482 }
2483
2484 /*
2485 * Find a quickfix buffer.
2486 * Searches in windows opened in all the tabs.
2487 */
2488 static buf_T *
2489 qf_find_buf(qi)
2490 qf_info_T *qi;
2491 {
2492 tabpage_T *tp;
2493 win_T *win;
2494
2495 FOR_ALL_TAB_WINDOWS(tp, win)
2496 if (is_qf_win(win, qi))
2497 return win->w_buffer;
2498
2499 return NULL;
2500 }
2501
2502 /*
2503 * Find the quickfix buffer. If it exists, update the contents.
2504 */
2505 static void
2506 qf_update_buffer(qi)
2507 qf_info_T *qi;
2508 {
2509 buf_T *buf;
2510 aco_save_T aco;
2511
2512 /* Check if a buffer for the quickfix list exists. Update it. */
2513 buf = qf_find_buf(qi);
2514 if (buf != NULL)
2515 {
2516 /* set curwin/curbuf to buf and save a few things */
2517 aucmd_prepbuf(&aco, buf);
2518
2519 qf_fill_buffer(qi);
2520
2521 /* restore curwin/curbuf and a few other things */
2522 aucmd_restbuf(&aco);
2523
2524 (void)qf_win_pos_update(qi, 0);
2525 }
2526 }
2527
2528 /*
2529 * Fill current buffer with quickfix errors, replacing any previous contents.
2530 * curbuf must be the quickfix buffer!
2531 */
2532 static void
2533 qf_fill_buffer(qi)
2534 qf_info_T *qi;
2535 {
2536 linenr_T lnum;
2537 qfline_T *qfp;
2538 buf_T *errbuf;
2539 int len;
2540 int old_KeyTyped = KeyTyped;
2541
2542 /* delete all existing lines */
2543 while ((curbuf->b_ml.ml_flags & ML_EMPTY) == 0)
2544 (void)ml_delete((linenr_T)1, FALSE);
2545
2546 /* Check if there is anything to display */
2547 if (qi->qf_curlist < qi->qf_listcount)
2548 {
2549 /* Add one line for each error */
2550 qfp = qi->qf_lists[qi->qf_curlist].qf_start;
2551 for (lnum = 0; lnum < qi->qf_lists[qi->qf_curlist].qf_count; ++lnum)
2552 {
2553 if (qfp->qf_fnum != 0
2554 && (errbuf = buflist_findnr(qfp->qf_fnum)) != NULL
2555 && errbuf->b_fname != NULL)
2556 {
2557 if (qfp->qf_type == 1) /* :helpgrep */
2558 STRCPY(IObuff, gettail(errbuf->b_fname));
2559 else
2560 STRCPY(IObuff, errbuf->b_fname);
2561 len = (int)STRLEN(IObuff);
2562 }
2563 else
2564 len = 0;
2565 IObuff[len++] = '|';
2566
2567 if (qfp->qf_lnum > 0)
2568 {
2569 sprintf((char *)IObuff + len, "%ld", qfp->qf_lnum);
2570 len += (int)STRLEN(IObuff + len);
2571
2572 if (qfp->qf_col > 0)
2573 {
2574 sprintf((char *)IObuff + len, " col %d", qfp->qf_col);
2575 len += (int)STRLEN(IObuff + len);
2576 }
2577
2578 sprintf((char *)IObuff + len, "%s",
2579 (char *)qf_types(qfp->qf_type, qfp->qf_nr));
2580 len += (int)STRLEN(IObuff + len);
2581 }
2582 else if (qfp->qf_pattern != NULL)
2583 {
2584 qf_fmt_text(qfp->qf_pattern, IObuff + len, IOSIZE - len);
2585 len += (int)STRLEN(IObuff + len);
2586 }
2587 IObuff[len++] = '|';
2588 IObuff[len++] = ' ';
2589
2590 /* Remove newlines and leading whitespace from the text.
2591 * For an unrecognized line keep the indent, the compiler may
2592 * mark a word with ^^^^. */
2593 qf_fmt_text(len > 3 ? skipwhite(qfp->qf_text) : qfp->qf_text,
2594 IObuff + len, IOSIZE - len);
2595
2596 if (ml_append(lnum, IObuff, (colnr_T)STRLEN(IObuff) + 1, FALSE)
2597 == FAIL)
2598 break;
2599 qfp = qfp->qf_next;
2600 }
2601 /* Delete the empty line which is now at the end */
2602 (void)ml_delete(lnum + 1, FALSE);
2603 }
2604
2605 /* correct cursor position */
2606 check_lnums(TRUE);
2607
2608 /* Set the 'filetype' to "qf" each time after filling the buffer. This
2609 * resembles reading a file into a buffer, it's more logical when using
2610 * autocommands. */
2611 set_option_value((char_u *)"ft", 0L, (char_u *)"qf", OPT_LOCAL);
2612 curbuf->b_p_ma = FALSE;
2613
2614 #ifdef FEAT_AUTOCMD
2615 keep_filetype = TRUE; /* don't detect 'filetype' */
2616 apply_autocmds(EVENT_BUFREADPOST, (char_u *)"quickfix", NULL,
2617 FALSE, curbuf);
2618 apply_autocmds(EVENT_BUFWINENTER, (char_u *)"quickfix", NULL,
2619 FALSE, curbuf);
2620 keep_filetype = FALSE;
2621 #endif
2622
2623 /* make sure it will be redrawn */
2624 redraw_curbuf_later(NOT_VALID);
2625
2626 /* Restore KeyTyped, setting 'filetype' may reset it. */
2627 KeyTyped = old_KeyTyped;
2628 }
2629
2630 #endif /* FEAT_WINDOWS */
2631
2632 /*
2633 * Return TRUE if "buf" is the quickfix buffer.
2634 */
2635 int
2636 bt_quickfix(buf)
2637 buf_T *buf;
2638 {
2639 return (buf->b_p_bt[0] == 'q');
2640 }
2641
2642 /*
2643 * Return TRUE if "buf" is a "nofile" or "acwrite" buffer.
2644 * This means the buffer name is not a file name.
2645 */
2646 int
2647 bt_nofile(buf)
2648 buf_T *buf;
2649 {
2650 return (buf->b_p_bt[0] == 'n' && buf->b_p_bt[2] == 'f')
2651 || buf->b_p_bt[0] == 'a';
2652 }
2653
2654 /*
2655 * Return TRUE if "buf" is a "nowrite" or "nofile" buffer.
2656 */
2657 int
2658 bt_dontwrite(buf)
2659 buf_T *buf;
2660 {
2661 return (buf->b_p_bt[0] == 'n');
2662 }
2663
2664 int
2665 bt_dontwrite_msg(buf)
2666 buf_T *buf;
2667 {
2668 if (bt_dontwrite(buf))
2669 {
2670 EMSG(_("E382: Cannot write, 'buftype' option is set"));
2671 return TRUE;
2672 }
2673 return FALSE;
2674 }
2675
2676 /*
2677 * Return TRUE if the buffer should be hidden, according to 'hidden', ":hide"
2678 * and 'bufhidden'.
2679 */
2680 int
2681 buf_hide(buf)
2682 buf_T *buf;
2683 {
2684 /* 'bufhidden' overrules 'hidden' and ":hide", check it first */
2685 switch (buf->b_p_bh[0])
2686 {
2687 case 'u': /* "unload" */
2688 case 'w': /* "wipe" */
2689 case 'd': return FALSE; /* "delete" */
2690 case 'h': return TRUE; /* "hide" */
2691 }
2692 return (p_hid || cmdmod.hide);
2693 }
2694
2695 /*
2696 * Return TRUE when using ":vimgrep" for ":grep".
2697 */
2698 int
2699 grep_internal(cmdidx)
2700 cmdidx_T cmdidx;
2701 {
2702 return ((cmdidx == CMD_grep
2703 || cmdidx == CMD_lgrep
2704 || cmdidx == CMD_grepadd
2705 || cmdidx == CMD_lgrepadd)
2706 && STRCMP("internal",
2707 *curbuf->b_p_gp == NUL ? p_gp : curbuf->b_p_gp) == 0);
2708 }
2709
2710 /*
2711 * Used for ":make", ":lmake", ":grep", ":lgrep", ":grepadd", and ":lgrepadd"
2712 */
2713 void
2714 ex_make(eap)
2715 exarg_T *eap;
2716 {
2717 char_u *fname;
2718 char_u *cmd;
2719 unsigned len;
2720 win_T *wp = NULL;
2721 qf_info_T *qi = &ql_info;
2722 int res;
2723 #ifdef FEAT_AUTOCMD
2724 char_u *au_name = NULL;
2725
2726 switch (eap->cmdidx)
2727 {
2728 case CMD_make: au_name = (char_u *)"make"; break;
2729 case CMD_lmake: au_name = (char_u *)"lmake"; break;
2730 case CMD_grep: au_name = (char_u *)"grep"; break;
2731 case CMD_lgrep: au_name = (char_u *)"lgrep"; break;
2732 case CMD_grepadd: au_name = (char_u *)"grepadd"; break;
2733 case CMD_lgrepadd: au_name = (char_u *)"lgrepadd"; break;
2734 default: break;
2735 }
2736 if (au_name != NULL)
2737 {
2738 apply_autocmds(EVENT_QUICKFIXCMDPRE, au_name,
2739 curbuf->b_fname, TRUE, curbuf);
2740 # ifdef FEAT_EVAL
2741 if (did_throw || force_abort)
2742 return;
2743 # endif
2744 }
2745 #endif
2746
2747 /* Redirect ":grep" to ":vimgrep" if 'grepprg' is "internal". */
2748 if (grep_internal(eap->cmdidx))
2749 {
2750 ex_vimgrep(eap);
2751 return;
2752 }
2753
2754 if (eap->cmdidx == CMD_lmake || eap->cmdidx == CMD_lgrep
2755 || eap->cmdidx == CMD_lgrepadd)
2756 wp = curwin;
2757
2758 autowrite_all();
2759 fname = get_mef_name();
2760 if (fname == NULL)
2761 return;
2762 mch_remove(fname); /* in case it's not unique */
2763
2764 /*
2765 * If 'shellpipe' empty: don't redirect to 'errorfile'.
2766 */
2767 len = (unsigned)STRLEN(p_shq) * 2 + (unsigned)STRLEN(eap->arg) + 1;
2768 if (*p_sp != NUL)
2769 len += (unsigned)STRLEN(p_sp) + (unsigned)STRLEN(fname) + 3;
2770 cmd = alloc(len);
2771 if (cmd == NULL)
2772 return;
2773 sprintf((char *)cmd, "%s%s%s", (char *)p_shq, (char *)eap->arg,
2774 (char *)p_shq);
2775 if (*p_sp != NUL)
2776 append_redir(cmd, len, p_sp, fname);
2777 /*
2778 * Output a newline if there's something else than the :make command that
2779 * was typed (in which case the cursor is in column 0).
2780 */
2781 if (msg_col == 0)
2782 msg_didout = FALSE;
2783 msg_start();
2784 MSG_PUTS(":!");
2785 msg_outtrans(cmd); /* show what we are doing */
2786
2787 /* let the shell know if we are redirecting output or not */
2788 do_shell(cmd, *p_sp != NUL ? SHELL_DOOUT : 0);
2789
2790 #ifdef AMIGA
2791 out_flush();
2792 /* read window status report and redraw before message */
2793 (void)char_avail();
2794 #endif
2795
2796 res = qf_init(wp, fname, (eap->cmdidx != CMD_make
2797 && eap->cmdidx != CMD_lmake) ? p_gefm : p_efm,
2798 (eap->cmdidx != CMD_grepadd
2799 && eap->cmdidx != CMD_lgrepadd));
2800 #ifdef FEAT_AUTOCMD
2801 if (au_name != NULL)
2802 apply_autocmds(EVENT_QUICKFIXCMDPOST, au_name,
2803 curbuf->b_fname, TRUE, curbuf);
2804 #endif
2805 if (res > 0 && !eap->forceit)
2806 {
2807 if (wp != NULL)
2808 qi = GET_LOC_LIST(wp);
2809 qf_jump(qi, 0, 0, FALSE); /* display first error */
2810 }
2811
2812 mch_remove(fname);
2813 vim_free(fname);
2814 vim_free(cmd);
2815 }
2816
2817 /*
2818 * Return the name for the errorfile, in allocated memory.
2819 * Find a new unique name when 'makeef' contains "##".
2820 * Returns NULL for error.
2821 */
2822 static char_u *
2823 get_mef_name()
2824 {
2825 char_u *p;
2826 char_u *name;
2827 static int start = -1;
2828 static int off = 0;
2829 #ifdef HAVE_LSTAT
2830 struct stat sb;
2831 #endif
2832
2833 if (*p_mef == NUL)
2834 {
2835 name = vim_tempname('e');
2836 if (name == NULL)
2837 EMSG(_(e_notmp));
2838 return name;
2839 }
2840
2841 for (p = p_mef; *p; ++p)
2842 if (p[0] == '#' && p[1] == '#')
2843 break;
2844
2845 if (*p == NUL)
2846 return vim_strsave(p_mef);
2847
2848 /* Keep trying until the name doesn't exist yet. */
2849 for (;;)
2850 {
2851 if (start == -1)
2852 start = mch_get_pid();
2853 else
2854 off += 19;
2855
2856 name = alloc((unsigned)STRLEN(p_mef) + 30);
2857 if (name == NULL)
2858 break;
2859 STRCPY(name, p_mef);
2860 sprintf((char *)name + (p - p_mef), "%d%d", start, off);
2861 STRCAT(name, p + 2);
2862 if (mch_getperm(name) < 0
2863 #ifdef HAVE_LSTAT
2864 /* Don't accept a symbolic link, its a security risk. */
2865 && mch_lstat((char *)name, &sb) < 0
2866 #endif
2867 )
2868 break;
2869 vim_free(name);
2870 }
2871 return name;
2872 }
2873
2874 /*
2875 * ":cc", ":crewind", ":cfirst" and ":clast".
2876 * ":ll", ":lrewind", ":lfirst" and ":llast".
2877 */
2878 void
2879 ex_cc(eap)
2880 exarg_T *eap;
2881 {
2882 qf_info_T *qi = &ql_info;
2883
2884 if (eap->cmdidx == CMD_ll
2885 || eap->cmdidx == CMD_lrewind
2886 || eap->cmdidx == CMD_lfirst
2887 || eap->cmdidx == CMD_llast)
2888 {
2889 qi = GET_LOC_LIST(curwin);
2890 if (qi == NULL)
2891 {
2892 EMSG(_(e_loclist));
2893 return;
2894 }
2895 }
2896
2897 qf_jump(qi, 0,
2898 eap->addr_count > 0
2899 ? (int)eap->line2
2900 : (eap->cmdidx == CMD_cc || eap->cmdidx == CMD_ll)
2901 ? 0
2902 : (eap->cmdidx == CMD_crewind || eap->cmdidx == CMD_lrewind
2903 || eap->cmdidx == CMD_cfirst || eap->cmdidx == CMD_lfirst)
2904 ? 1
2905 : 32767,
2906 eap->forceit);
2907 }
2908
2909 /*
2910 * ":cnext", ":cnfile", ":cNext" and ":cprevious".
2911 * ":lnext", ":lNext", ":lprevious", ":lnfile", ":lNfile" and ":lpfile".
2912 */
2913 void
2914 ex_cnext(eap)
2915 exarg_T *eap;
2916 {
2917 qf_info_T *qi = &ql_info;
2918
2919 if (eap->cmdidx == CMD_lnext
2920 || eap->cmdidx == CMD_lNext
2921 || eap->cmdidx == CMD_lprevious
2922 || eap->cmdidx == CMD_lnfile
2923 || eap->cmdidx == CMD_lNfile
2924 || eap->cmdidx == CMD_lpfile)
2925 {
2926 qi = GET_LOC_LIST(curwin);
2927 if (qi == NULL)
2928 {
2929 EMSG(_(e_loclist));
2930 return;
2931 }
2932 }
2933
2934 qf_jump(qi, (eap->cmdidx == CMD_cnext || eap->cmdidx == CMD_lnext)
2935 ? FORWARD
2936 : (eap->cmdidx == CMD_cnfile || eap->cmdidx == CMD_lnfile)
2937 ? FORWARD_FILE
2938 : (eap->cmdidx == CMD_cpfile || eap->cmdidx == CMD_lpfile
2939 || eap->cmdidx == CMD_cNfile || eap->cmdidx == CMD_lNfile)
2940 ? BACKWARD_FILE
2941 : BACKWARD,
2942 eap->addr_count > 0 ? (int)eap->line2 : 1, eap->forceit);
2943 }
2944
2945 /*
2946 * ":cfile"/":cgetfile"/":caddfile" commands.
2947 * ":lfile"/":lgetfile"/":laddfile" commands.
2948 */
2949 void
2950 ex_cfile(eap)
2951 exarg_T *eap;
2952 {
2953 win_T *wp = NULL;
2954 qf_info_T *qi = &ql_info;
2955
2956 if (eap->cmdidx == CMD_lfile || eap->cmdidx == CMD_lgetfile
2957 || eap->cmdidx == CMD_laddfile)
2958 wp = curwin;
2959
2960 if (*eap->arg != NUL)
2961 set_string_option_direct((char_u *)"ef", -1, eap->arg, OPT_FREE, 0);
2962
2963 /*
2964 * This function is used by the :cfile, :cgetfile and :caddfile
2965 * commands.
2966 * :cfile always creates a new quickfix list and jumps to the
2967 * first error.
2968 * :cgetfile creates a new quickfix list but doesn't jump to the
2969 * first error.
2970 * :caddfile adds to an existing quickfix list. If there is no
2971 * quickfix list then a new list is created.
2972 */
2973 if (qf_init(wp, p_ef, p_efm, (eap->cmdidx != CMD_caddfile
2974 && eap->cmdidx != CMD_laddfile)) > 0
2975 && (eap->cmdidx == CMD_cfile
2976 || eap->cmdidx == CMD_lfile))
2977 {
2978 if (wp != NULL)
2979 qi = GET_LOC_LIST(wp);
2980 qf_jump(qi, 0, 0, eap->forceit); /* display first error */
2981 }
2982 }
2983
2984 /*
2985 * ":vimgrep {pattern} file(s)"
2986 * ":vimgrepadd {pattern} file(s)"
2987 * ":lvimgrep {pattern} file(s)"
2988 * ":lvimgrepadd {pattern} file(s)"
2989 */
2990 void
2991 ex_vimgrep(eap)
2992 exarg_T *eap;
2993 {
2994 regmmatch_T regmatch;
2995 int fcount;
2996 char_u **fnames;
2997 char_u *fname;
2998 char_u *s;
2999 char_u *p;
3000 int fi;
3001 qf_info_T *qi = &ql_info;
3002 qfline_T *prevp = NULL;
3003 long lnum;
3004 buf_T *buf;
3005 int duplicate_name = FALSE;
3006 int using_dummy;
3007 int redraw_for_dummy = FALSE;
3008 int found_match;
3009 buf_T *first_match_buf = NULL;
3010 time_t seconds = 0;
3011 int save_mls;
3012 #if defined(FEAT_AUTOCMD) && defined(FEAT_SYN_HL)
3013 char_u *save_ei = NULL;
3014 #endif
3015 aco_save_T aco;
3016 int flags = 0;
3017 colnr_T col;
3018 long tomatch;
3019 char_u dirname_start[MAXPATHL];
3020 char_u dirname_now[MAXPATHL];
3021 char_u *target_dir = NULL;
3022 #ifdef FEAT_AUTOCMD
3023 char_u *au_name = NULL;
3024
3025 switch (eap->cmdidx)
3026 {
3027 case CMD_vimgrep: au_name = (char_u *)"vimgrep"; break;
3028 case CMD_lvimgrep: au_name = (char_u *)"lvimgrep"; break;
3029 case CMD_vimgrepadd: au_name = (char_u *)"vimgrepadd"; break;
3030 case CMD_lvimgrepadd: au_name = (char_u *)"lvimgrepadd"; break;
3031 default: break;
3032 }
3033 if (au_name != NULL)
3034 {
3035 apply_autocmds(EVENT_QUICKFIXCMDPRE, au_name,
3036 curbuf->b_fname, TRUE, curbuf);
3037 if (did_throw || force_abort)
3038 return;
3039 }
3040 #endif
3041
3042 if (eap->cmdidx == CMD_lgrep
3043 || eap->cmdidx == CMD_lvimgrep
3044 || eap->cmdidx == CMD_lgrepadd
3045 || eap->cmdidx == CMD_lvimgrepadd)
3046 {
3047 qi = ll_get_or_alloc_list(curwin);
3048 if (qi == NULL)
3049 return;
3050 }
3051
3052 if (eap->addr_count > 0)
3053 tomatch = eap->line2;
3054 else
3055 tomatch = MAXLNUM;
3056
3057 /* Get the search pattern: either white-separated or enclosed in // */
3058 regmatch.regprog = NULL;
3059 p = skip_vimgrep_pat(eap->arg, &s, &flags);
3060 if (p == NULL)
3061 {
3062 EMSG(_(e_invalpat));
3063 goto theend;
3064 }
3065 regmatch.regprog = vim_regcomp(s, RE_MAGIC);
3066 if (regmatch.regprog == NULL)
3067 goto theend;
3068 regmatch.rmm_ic = p_ic;
3069 regmatch.rmm_maxcol = 0;
3070
3071 p = skipwhite(p);
3072 if (*p == NUL)
3073 {
3074 EMSG(_("E683: File name missing or invalid pattern"));
3075 goto theend;
3076 }
3077
3078 if ((eap->cmdidx != CMD_grepadd && eap->cmdidx != CMD_lgrepadd &&
3079 eap->cmdidx != CMD_vimgrepadd && eap->cmdidx != CMD_lvimgrepadd)
3080 || qi->qf_curlist == qi->qf_listcount)
3081 /* make place for a new list */
3082 qf_new_list(qi);
3083 else if (qi->qf_lists[qi->qf_curlist].qf_count > 0)
3084 /* Adding to existing list, find last entry. */
3085 for (prevp = qi->qf_lists[qi->qf_curlist].qf_start;
3086 prevp->qf_next != prevp; prevp = prevp->qf_next)
3087 ;
3088
3089 /* parse the list of arguments */
3090 if (get_arglist_exp(p, &fcount, &fnames) == FAIL)
3091 goto theend;
3092 if (fcount == 0)
3093 {
3094 EMSG(_(e_nomatch));
3095 goto theend;
3096 }
3097
3098 /* Remember the current directory, because a BufRead autocommand that does
3099 * ":lcd %:p:h" changes the meaning of short path names. */
3100 mch_dirname(dirname_start, MAXPATHL);
3101
3102 seconds = (time_t)0;
3103 for (fi = 0; fi < fcount && !got_int && tomatch > 0; ++fi)
3104 {
3105 fname = shorten_fname1(fnames[fi]);
3106 if (time(NULL) > seconds)
3107 {
3108 /* Display the file name every second or so, show the user we are
3109 * working on it. */
3110 seconds = time(NULL);
3111 msg_start();
3112 p = msg_strtrunc(fname, TRUE);
3113 if (p == NULL)
3114 msg_outtrans(fname);
3115 else
3116 {
3117 msg_outtrans(p);
3118 vim_free(p);
3119 }
3120 msg_clr_eos();
3121 msg_didout = FALSE; /* overwrite this message */
3122 msg_nowait = TRUE; /* don't wait for this message */
3123 msg_col = 0;
3124 out_flush();
3125 }
3126
3127 buf = buflist_findname_exp(fnames[fi]);
3128 if (buf == NULL || buf->b_ml.ml_mfp == NULL)
3129 {
3130 /* Remember that a buffer with this name already exists. */
3131 duplicate_name = (buf != NULL);
3132 using_dummy = TRUE;
3133 redraw_for_dummy = TRUE;
3134
3135 #if defined(FEAT_AUTOCMD) && defined(FEAT_SYN_HL)
3136 /* Don't do Filetype autocommands to avoid loading syntax and
3137 * indent scripts, a great speed improvement. */
3138 save_ei = au_event_disable(",Filetype");
3139 #endif
3140 /* Don't use modelines here, it's useless. */
3141 save_mls = p_mls;
3142 p_mls = 0;
3143
3144 /* Load file into a buffer, so that 'fileencoding' is detected,
3145 * autocommands applied, etc. */
3146 buf = load_dummy_buffer(fname);
3147
3148 /* When autocommands changed directory: go back. We assume it was
3149 * ":lcd %:p:h". */
3150 mch_dirname(dirname_now, MAXPATHL);
3151 if (STRCMP(dirname_start, dirname_now) != 0)
3152 {
3153 exarg_T ea;
3154
3155 ea.arg = dirname_start;
3156 ea.cmdidx = CMD_lcd;
3157 ex_cd(&ea);
3158 }
3159
3160 p_mls = save_mls;
3161 #if defined(FEAT_AUTOCMD) && defined(FEAT_SYN_HL)
3162 au_event_restore(save_ei);
3163 #endif
3164 }
3165 else
3166 /* Use existing, loaded buffer. */
3167 using_dummy = FALSE;
3168
3169 if (buf == NULL)
3170 {
3171 if (!got_int)
3172 smsg((char_u *)_("Cannot open file \"%s\""), fname);
3173 }
3174 else
3175 {
3176 /* Try for a match in all lines of the buffer.
3177 * For ":1vimgrep" look for first match only. */
3178 found_match = FALSE;
3179 for (lnum = 1; lnum <= buf->b_ml.ml_line_count && tomatch > 0;
3180 ++lnum)
3181 {
3182 col = 0;
3183 while (vim_regexec_multi(&regmatch, curwin, buf, lnum,
3184 col, NULL) > 0)
3185 {
3186 ;
3187 if (qf_add_entry(qi, &prevp,
3188 NULL, /* dir */
3189 fname,
3190 0,
3191 ml_get_buf(buf,
3192 regmatch.startpos[0].lnum + lnum, FALSE),
3193 regmatch.startpos[0].lnum + lnum,
3194 regmatch.startpos[0].col + 1,
3195 FALSE, /* vis_col */
3196 NULL, /* search pattern */
3197 0, /* nr */
3198 0, /* type */
3199 TRUE /* valid */
3200 ) == FAIL)
3201 {
3202 got_int = TRUE;
3203 break;
3204 }
3205 found_match = TRUE;
3206 if (--tomatch == 0)
3207 break;
3208 if ((flags & VGR_GLOBAL) == 0
3209 || regmatch.endpos[0].lnum > 0)
3210 break;
3211 col = regmatch.endpos[0].col
3212 + (col == regmatch.endpos[0].col);
3213 if (col > (colnr_T)STRLEN(ml_get_buf(buf, lnum, FALSE)))
3214 break;
3215 }
3216 line_breakcheck();
3217 if (got_int)
3218 break;
3219 }
3220
3221 if (using_dummy)
3222 {
3223 if (found_match && first_match_buf == NULL)
3224 first_match_buf = buf;
3225 if (duplicate_name)
3226 {
3227 /* Never keep a dummy buffer if there is another buffer
3228 * with the same name. */
3229 wipe_dummy_buffer(buf);
3230 buf = NULL;
3231 }
3232 else if (!cmdmod.hide
3233 || buf->b_p_bh[0] == 'u' /* "unload" */
3234 || buf->b_p_bh[0] == 'w' /* "wipe" */
3235 || buf->b_p_bh[0] == 'd') /* "delete" */
3236 {
3237 /* When no match was found we don't need to remember the
3238 * buffer, wipe it out. If there was a match and it
3239 * wasn't the first one or we won't jump there: only
3240 * unload the buffer.
3241 * Ignore 'hidden' here, because it may lead to having too
3242 * many swap files. */
3243 if (!found_match)
3244 {
3245 wipe_dummy_buffer(buf);
3246 buf = NULL;
3247 }
3248 else if (buf != first_match_buf || (flags & VGR_NOJUMP))
3249 {
3250 unload_dummy_buffer(buf);
3251 buf = NULL;
3252 }
3253 }
3254
3255 if (buf != NULL)
3256 {
3257 /* If the buffer is still loaded we need to use the
3258 * directory we jumped to below. */
3259 if (buf == first_match_buf
3260 && target_dir == NULL
3261 && STRCMP(dirname_start, dirname_now) != 0)
3262 target_dir = vim_strsave(dirname_now);
3263
3264 /* The buffer is still loaded, the Filetype autocommands
3265 * need to be done now, in that buffer. And the modelines
3266 * need to be done (again). But not the window-local
3267 * options! */
3268 aucmd_prepbuf(&aco, buf);
3269 #if defined(FEAT_AUTOCMD) && defined(FEAT_SYN_HL)
3270 apply_autocmds(EVENT_FILETYPE, buf->b_p_ft,
3271 buf->b_fname, TRUE, buf);
3272 #endif
3273 do_modelines(OPT_NOWIN);
3274 aucmd_restbuf(&aco);
3275 }
3276 }
3277 }
3278 }
3279
3280 FreeWild(fcount, fnames);
3281
3282 qi->qf_lists[qi->qf_curlist].qf_nonevalid = FALSE;
3283 qi->qf_lists[qi->qf_curlist].qf_ptr = qi->qf_lists[qi->qf_curlist].qf_start;
3284 qi->qf_lists[qi->qf_curlist].qf_index = 1;
3285
3286 #ifdef FEAT_WINDOWS
3287 qf_update_buffer(qi);
3288 #endif
3289
3290 #ifdef FEAT_AUTOCMD
3291 if (au_name != NULL)
3292 apply_autocmds(EVENT_QUICKFIXCMDPOST, au_name,
3293 curbuf->b_fname, TRUE, curbuf);
3294 #endif
3295
3296 /* Jump to first match. */
3297 if (qi->qf_lists[qi->qf_curlist].qf_count > 0)
3298 {
3299 if ((flags & VGR_NOJUMP) == 0)
3300 {
3301 buf = curbuf;
3302 qf_jump(qi, 0, 0, eap->forceit);
3303 if (buf != curbuf)
3304 /* If we jumped to another buffer redrawing will already be
3305 * taken care of. */
3306 redraw_for_dummy = FALSE;
3307
3308 /* Jump to the directory used after loading the buffer. */
3309 if (curbuf == first_match_buf && target_dir != NULL)
3310 {
3311 exarg_T ea;
3312
3313 ea.arg = target_dir;
3314 ea.cmdidx = CMD_lcd;
3315 ex_cd(&ea);
3316 }
3317 }
3318 }
3319 else
3320 EMSG2(_(e_nomatch2), s);
3321
3322 /* If we loaded a dummy buffer into the current window, the autocommands
3323 * may have messed up things, need to redraw and recompute folds. */
3324 if (redraw_for_dummy)
3325 {
3326 #ifdef FEAT_FOLDING
3327 foldUpdateAll(curwin);
3328 #else
3329 redraw_later(NOT_VALID);
3330 #endif
3331 }
3332
3333 theend:
3334 vim_free(target_dir);
3335 vim_free(regmatch.regprog);
3336 }
3337
3338 /*
3339 * Skip over the pattern argument of ":vimgrep /pat/[g][j]".
3340 * Put the start of the pattern in "*s", unless "s" is NULL.
3341 * If "flags" is not NULL put the flags in it: VGR_GLOBAL, VGR_NOJUMP.
3342 * If "s" is not NULL terminate the pattern with a NUL.
3343 * Return a pointer to the char just past the pattern plus flags.
3344 */
3345 char_u *
3346 skip_vimgrep_pat(p, s, flags)
3347 char_u *p;
3348 char_u **s;
3349 int *flags;
3350 {
3351 int c;
3352
3353 if (vim_isIDc(*p))
3354 {
3355 /* ":vimgrep pattern fname" */
3356 if (s != NULL)
3357 *s = p;
3358 p = skiptowhite(p);
3359 if (s != NULL && *p != NUL)
3360 *p++ = NUL;
3361 }
3362 else
3363 {
3364 /* ":vimgrep /pattern/[g][j] fname" */
3365 if (s != NULL)
3366 *s = p + 1;
3367 c = *p;
3368 p = skip_regexp(p + 1, c, TRUE, NULL);
3369 if (*p != c)
3370 return NULL;
3371
3372 /* Truncate the pattern. */
3373 if (s != NULL)
3374 *p = NUL;
3375 ++p;
3376
3377 /* Find the flags */
3378 while (*p == 'g' || *p == 'j')
3379 {
3380 if (flags != NULL)
3381 {
3382 if (*p == 'g')
3383 *flags |= VGR_GLOBAL;
3384 else
3385 *flags |= VGR_NOJUMP;
3386 }
3387 ++p;
3388 }
3389 }
3390 return p;
3391 }
3392
3393 /*
3394 * Load file "fname" into a dummy buffer and return the buffer pointer.
3395 * Returns NULL if it fails.
3396 * Must call unload_dummy_buffer() or wipe_dummy_buffer() later!
3397 */
3398 static buf_T *
3399 load_dummy_buffer(fname)
3400 char_u *fname;
3401 {
3402 buf_T *newbuf;
3403 int failed = TRUE;
3404 aco_save_T aco;
3405
3406 /* Allocate a buffer without putting it in the buffer list. */
3407 newbuf = buflist_new(NULL, NULL, (linenr_T)1, BLN_DUMMY);
3408 if (newbuf == NULL)
3409 return NULL;
3410
3411 /* Init the options. */
3412 buf_copy_options(newbuf, BCO_ENTER | BCO_NOHELP);
3413
3414 /* need to open the memfile before putting the buffer in a window */
3415 if (ml_open(newbuf) == OK)
3416 {
3417 /* set curwin/curbuf to buf and save a few things */
3418 aucmd_prepbuf(&aco, newbuf);
3419
3420 /* Need to set the filename for autocommands. */
3421 (void)setfname(curbuf, fname, NULL, FALSE);
3422
3423 /* Create swap file now to avoid the ATTENTION message. */
3424 check_need_swap(TRUE);
3425
3426 /* Remove the "dummy" flag, otherwise autocommands may not
3427 * work. */
3428 curbuf->b_flags &= ~BF_DUMMY;
3429
3430 if (readfile(fname, NULL,
3431 (linenr_T)0, (linenr_T)0, (linenr_T)MAXLNUM,
3432 NULL, READ_NEW | READ_DUMMY) == OK
3433 && !got_int
3434 && !(curbuf->b_flags & BF_NEW))
3435 {
3436 failed = FALSE;
3437 if (curbuf != newbuf)
3438 {
3439 /* Bloody autocommands changed the buffer! */
3440 if (buf_valid(newbuf))
3441 wipe_buffer(newbuf, FALSE);
3442 newbuf = curbuf;
3443 }
3444 }
3445
3446 /* restore curwin/curbuf and a few other things */
3447 aucmd_restbuf(&aco);
3448 }
3449
3450 if (!buf_valid(newbuf))
3451 return NULL;
3452 if (failed)
3453 {
3454 wipe_dummy_buffer(newbuf);
3455 return NULL;
3456 }
3457 return newbuf;
3458 }
3459
3460 /*
3461 * Wipe out the dummy buffer that load_dummy_buffer() created.
3462 */
3463 static void
3464 wipe_dummy_buffer(buf)
3465 buf_T *buf;
3466 {
3467 if (curbuf != buf) /* safety check */
3468 {
3469 #if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL)
3470 cleanup_T cs;
3471
3472 /* Reset the error/interrupt/exception state here so that aborting()
3473 * returns FALSE when wiping out the buffer. Otherwise it doesn't
3474 * work when got_int is set. */
3475 enter_cleanup(&cs);
3476 #endif
3477
3478 wipe_buffer(buf, FALSE);
3479
3480 #if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL)
3481 /* Restore the error/interrupt/exception state if not discarded by a
3482 * new aborting error, interrupt, or uncaught exception. */
3483 leave_cleanup(&cs);
3484 #endif
3485 }
3486 }
3487
3488 /*
3489 * Unload the dummy buffer that load_dummy_buffer() created.
3490 */
3491 static void
3492 unload_dummy_buffer(buf)
3493 buf_T *buf;
3494 {
3495 if (curbuf != buf) /* safety check */
3496 close_buffer(NULL, buf, DOBUF_UNLOAD);
3497 }
3498
3499 #if defined(FEAT_EVAL) || defined(PROTO)
3500 /*
3501 * Add each quickfix error to list "list" as a dictionary.
3502 */
3503 int
3504 get_errorlist(wp, list)
3505 win_T *wp;
3506 list_T *list;
3507 {
3508 qf_info_T *qi = &ql_info;
3509 dict_T *dict;
3510 char_u buf[2];
3511 qfline_T *qfp;
3512 int i;
3513 int bufnum;
3514
3515 if (wp != NULL)
3516 {
3517 qi = GET_LOC_LIST(wp);
3518 if (qi == NULL)
3519 return FAIL;
3520 }
3521
3522 if (qi->qf_curlist >= qi->qf_listcount
3523 || qi->qf_lists[qi->qf_curlist].qf_count == 0)
3524 return FAIL;
3525
3526 qfp = qi->qf_lists[qi->qf_curlist].qf_start;
3527 for (i = 1; !got_int && i <= qi->qf_lists[qi->qf_curlist].qf_count; ++i)
3528 {
3529 /* Handle entries with a non-existing buffer number. */
3530 bufnum = qfp->qf_fnum;
3531 if (bufnum != 0 && (buflist_findnr(bufnum) == NULL))
3532 bufnum = 0;
3533
3534 if ((dict = dict_alloc()) == NULL)
3535 return FAIL;
3536 if (list_append_dict(list, dict) == FAIL)
3537 return FAIL;
3538
3539 buf[0] = qfp->qf_type;
3540 buf[1] = NUL;
3541 if ( dict_add_nr_str(dict, "bufnr", (long)bufnum, NULL) == FAIL
3542 || dict_add_nr_str(dict, "lnum", (long)qfp->qf_lnum, NULL) == FAIL
3543 || dict_add_nr_str(dict, "col", (long)qfp->qf_col, NULL) == FAIL
3544 || dict_add_nr_str(dict, "vcol", (long)qfp->qf_viscol, NULL) == FAIL
3545 || dict_add_nr_str(dict, "nr", (long)qfp->qf_nr, NULL) == FAIL
3546 || dict_add_nr_str(dict, "pattern", 0L,
3547 qfp->qf_pattern == NULL ? (char_u *)"" : qfp->qf_pattern) == FAIL
3548 || dict_add_nr_str(dict, "text", 0L,
3549 qfp->qf_text == NULL ? (char_u *)"" : qfp->qf_text) == FAIL
3550 || dict_add_nr_str(dict, "type", 0L, buf) == FAIL
3551 || dict_add_nr_str(dict, "valid", (long)qfp->qf_valid, NULL) == FAIL)
3552 return FAIL;
3553
3554 qfp = qfp->qf_next;
3555 }
3556 return OK;
3557 }
3558
3559 /*
3560 * Populate the quickfix list with the items supplied in the list
3561 * of dictionaries.
3562 */
3563 int
3564 set_errorlist(wp, list, action)
3565 win_T *wp;
3566 list_T *list;
3567 int action;
3568 {
3569 listitem_T *li;
3570 dict_T *d;
3571 char_u *filename, *pattern, *text, *type;
3572 int bufnum;
3573 long lnum;
3574 int col, nr;
3575 int vcol;
3576 qfline_T *prevp = NULL;
3577 int valid, status;
3578 int retval = OK;
3579 qf_info_T *qi = &ql_info;
3580 int did_bufnr_emsg = FALSE;
3581
3582 if (wp != NULL)
3583 {
3584 qi = ll_get_or_alloc_list(wp);
3585 if (qi == NULL)
3586 return FAIL;
3587 }
3588
3589 if (action == ' ' || qi->qf_curlist == qi->qf_listcount)
3590 /* make place for a new list */
3591 qf_new_list(qi);
3592 else if (action == 'a' && qi->qf_lists[qi->qf_curlist].qf_count > 0)
3593 /* Adding to existing list, find last entry. */
3594 for (prevp = qi->qf_lists[qi->qf_curlist].qf_start;
3595 prevp->qf_next != prevp; prevp = prevp->qf_next)
3596 ;
3597 else if (action == 'r')
3598 qf_free(qi, qi->qf_curlist);
3599
3600 for (li = list->lv_first; li != NULL; li = li->li_next)
3601 {
3602 if (li->li_tv.v_type != VAR_DICT)
3603 continue; /* Skip non-dict items */
3604
3605 d = li->li_tv.vval.v_dict;
3606 if (d == NULL)
3607 continue;
3608
3609 filename = get_dict_string(d, (char_u *)"filename", TRUE);
3610 bufnum = get_dict_number(d, (char_u *)"bufnr");
3611 lnum = get_dict_number(d, (char_u *)"lnum");
3612 col = get_dict_number(d, (char_u *)"col");
3613 vcol = get_dict_number(d, (char_u *)"vcol");
3614 nr = get_dict_number(d, (char_u *)"nr");
3615 type = get_dict_string(d, (char_u *)"type", TRUE);
3616 pattern = get_dict_string(d, (char_u *)"pattern", TRUE);
3617 text = get_dict_string(d, (char_u *)"text", TRUE);
3618 if (text == NULL)
3619 text = vim_strsave((char_u *)"");
3620
3621 valid = TRUE;
3622 if ((filename == NULL && bufnum == 0) || (lnum == 0 && pattern == NULL))
3623 valid = FALSE;
3624
3625 /* Mark entries with non-existing buffer number as not valid. Give the
3626 * error message only once. */
3627 if (bufnum != 0 && (buflist_findnr(bufnum) == NULL))
3628 {
3629 if (!did_bufnr_emsg)
3630 {
3631 did_bufnr_emsg = TRUE;
3632 EMSGN(_("E92: Buffer %ld not found"), bufnum);
3633 }
3634 valid = FALSE;
3635 bufnum = 0;
3636 }
3637
3638 status = qf_add_entry(qi, &prevp,
3639 NULL, /* dir */
3640 filename,
3641 bufnum,
3642 text,
3643 lnum,
3644 col,
3645 vcol, /* vis_col */
3646 pattern, /* search pattern */
3647 nr,
3648 type == NULL ? NUL : *type,
3649 valid);
3650
3651 vim_free(filename);
3652 vim_free(pattern);
3653 vim_free(text);
3654 vim_free(type);
3655
3656 if (status == FAIL)
3657 {
3658 retval = FAIL;
3659 break;
3660 }
3661 }
3662
3663 qi->qf_lists[qi->qf_curlist].qf_nonevalid = FALSE;
3664 qi->qf_lists[qi->qf_curlist].qf_ptr = qi->qf_lists[qi->qf_curlist].qf_start;
3665 qi->qf_lists[qi->qf_curlist].qf_index = 1;
3666
3667 #ifdef FEAT_WINDOWS
3668 qf_update_buffer(qi);
3669 #endif
3670
3671 return retval;
3672 }
3673 #endif
3674
3675 /*
3676 * ":[range]cbuffer [bufnr]" command.
3677 * ":[range]caddbuffer [bufnr]" command.
3678 * ":[range]cgetbuffer [bufnr]" command.
3679 * ":[range]lbuffer [bufnr]" command.
3680 * ":[range]laddbuffer [bufnr]" command.
3681 * ":[range]lgetbuffer [bufnr]" command.
3682 */
3683 void
3684 ex_cbuffer(eap)
3685 exarg_T *eap;
3686 {
3687 buf_T *buf = NULL;
3688 qf_info_T *qi = &ql_info;
3689
3690 if (eap->cmdidx == CMD_lbuffer || eap->cmdidx == CMD_lgetbuffer
3691 || eap->cmdidx == CMD_laddbuffer)
3692 {
3693 qi = ll_get_or_alloc_list(curwin);
3694 if (qi == NULL)
3695 return;
3696 }
3697
3698 if (*eap->arg == NUL)
3699 buf = curbuf;
3700 else if (*skipwhite(skipdigits(eap->arg)) == NUL)
3701 buf = buflist_findnr(atoi((char *)eap->arg));
3702 if (buf == NULL)
3703 EMSG(_(e_invarg));
3704 else if (buf->b_ml.ml_mfp == NULL)
3705 EMSG(_("E681: Buffer is not loaded"));
3706 else
3707 {
3708 if (eap->addr_count == 0)
3709 {
3710 eap->line1 = 1;
3711 eap->line2 = buf->b_ml.ml_line_count;
3712 }
3713 if (eap->line1 < 1 || eap->line1 > buf->b_ml.ml_line_count
3714 || eap->line2 < 1 || eap->line2 > buf->b_ml.ml_line_count)
3715 EMSG(_(e_invrange));
3716 else
3717 {
3718 if (qf_init_ext(qi, NULL, buf, NULL, p_efm,
3719 (eap->cmdidx != CMD_caddbuffer
3720 && eap->cmdidx != CMD_laddbuffer),
3721 eap->line1, eap->line2) > 0
3722 && (eap->cmdidx == CMD_cbuffer
3723 || eap->cmdidx == CMD_lbuffer))
3724 qf_jump(qi, 0, 0, eap->forceit); /* display first error */
3725 }
3726 }
3727 }
3728
3729 #if defined(FEAT_EVAL) || defined(PROTO)
3730 /*
3731 * ":cexpr {expr}", ":cgetexpr {expr}", ":caddexpr {expr}" command.
3732 * ":lexpr {expr}", ":lgetexpr {expr}", ":laddexpr {expr}" command.
3733 */
3734 void
3735 ex_cexpr(eap)
3736 exarg_T *eap;
3737 {
3738 typval_T *tv;
3739 qf_info_T *qi = &ql_info;
3740
3741 if (eap->cmdidx == CMD_lexpr || eap->cmdidx == CMD_lgetexpr
3742 || eap->cmdidx == CMD_laddexpr)
3743 {
3744 qi = ll_get_or_alloc_list(curwin);
3745 if (qi == NULL)
3746 return;
3747 }
3748
3749 /* Evaluate the expression. When the result is a string or a list we can
3750 * use it to fill the errorlist. */
3751 tv = eval_expr(eap->arg, NULL);
3752 if (tv != NULL)
3753 {
3754 if ((tv->v_type == VAR_STRING && tv->vval.v_string != NULL)
3755 || (tv->v_type == VAR_LIST && tv->vval.v_list != NULL))
3756 {
3757 if (qf_init_ext(qi, NULL, NULL, tv, p_efm,
3758 (eap->cmdidx != CMD_caddexpr
3759 && eap->cmdidx != CMD_laddexpr),
3760 (linenr_T)0, (linenr_T)0) > 0
3761 && (eap->cmdidx == CMD_cexpr
3762 || eap->cmdidx == CMD_lexpr))
3763 qf_jump(qi, 0, 0, eap->forceit); /* display first error */
3764 }
3765 else
3766 EMSG(_("E777: String or List expected"));
3767 free_tv(tv);
3768 }
3769 }
3770 #endif
3771
3772 /*
3773 * ":helpgrep {pattern}"
3774 */
3775 void
3776 ex_helpgrep(eap)
3777 exarg_T *eap;
3778 {
3779 regmatch_T regmatch;
3780 char_u *save_cpo;
3781 char_u *p;
3782 int fcount;
3783 char_u **fnames;
3784 FILE *fd;
3785 int fi;
3786 qfline_T *prevp = NULL;
3787 long lnum;
3788 #ifdef FEAT_MULTI_LANG
3789 char_u *lang;
3790 #endif
3791 qf_info_T *qi = &ql_info;
3792 int new_qi = FALSE;
3793 win_T *wp;
3794
3795 /* Make 'cpoptions' empty, the 'l' flag should not be used here. */
3796 save_cpo = p_cpo;
3797 p_cpo = empty_option;
3798
3799 #ifdef FEAT_MULTI_LANG
3800 /* Check for a specified language */
3801 lang = check_help_lang(eap->arg);
3802 #endif
3803
3804 if (eap->cmdidx == CMD_lhelpgrep)
3805 {
3806 /* Find an existing help window */
3807 FOR_ALL_WINDOWS(wp)
3808 if (wp->w_buffer != NULL && wp->w_buffer->b_help)
3809 break;
3810
3811 if (wp == NULL) /* Help window not found */
3812 qi = NULL;
3813 else
3814 qi = wp->w_llist;
3815
3816 if (qi == NULL)
3817 {
3818 /* Allocate a new location list for help text matches */
3819 if ((qi = ll_new_list()) == NULL)
3820 return;
3821 new_qi = TRUE;
3822 }
3823 }
3824
3825 regmatch.regprog = vim_regcomp(eap->arg, RE_MAGIC + RE_STRING);
3826 regmatch.rm_ic = FALSE;
3827 if (regmatch.regprog != NULL)
3828 {
3829 /* create a new quickfix list */
3830 qf_new_list(qi);
3831
3832 /* Go through all directories in 'runtimepath' */
3833 p = p_rtp;
3834 while (*p != NUL && !got_int)
3835 {
3836 copy_option_part(&p, NameBuff, MAXPATHL, ",");
3837
3838 /* Find all "*.txt" and "*.??x" files in the "doc" directory. */
3839 add_pathsep(NameBuff);
3840 STRCAT(NameBuff, "doc/*.\\(txt\\|??x\\)");
3841 if (gen_expand_wildcards(1, &NameBuff, &fcount,
3842 &fnames, EW_FILE|EW_SILENT) == OK
3843 && fcount > 0)
3844 {
3845 for (fi = 0; fi < fcount && !got_int; ++fi)
3846 {
3847 #ifdef FEAT_MULTI_LANG
3848 /* Skip files for a different language. */
3849 if (lang != NULL
3850 && STRNICMP(lang, fnames[fi]
3851 + STRLEN(fnames[fi]) - 3, 2) != 0
3852 && !(STRNICMP(lang, "en", 2) == 0
3853 && STRNICMP("txt", fnames[fi]
3854 + STRLEN(fnames[fi]) - 3, 3) == 0))
3855 continue;
3856 #endif
3857 fd = mch_fopen((char *)fnames[fi], "r");
3858 if (fd != NULL)
3859 {
3860 lnum = 1;
3861 while (!vim_fgets(IObuff, IOSIZE, fd) && !got_int)
3862 {
3863 if (vim_regexec(&regmatch, IObuff, (colnr_T)0))
3864 {
3865 int l = (int)STRLEN(IObuff);
3866
3867 /* remove trailing CR, LF, spaces, etc. */
3868 while (l > 0 && IObuff[l - 1] <= ' ')
3869 IObuff[--l] = NUL;
3870
3871 if (qf_add_entry(qi, &prevp,
3872 NULL, /* dir */
3873 fnames[fi],
3874 0,
3875 IObuff,
3876 lnum,
3877 (int)(regmatch.startp[0] - IObuff)
3878 + 1, /* col */
3879 FALSE, /* vis_col */
3880 NULL, /* search pattern */
3881 0, /* nr */
3882 1, /* type */
3883 TRUE /* valid */
3884 ) == FAIL)
3885 {
3886 got_int = TRUE;
3887 break;
3888 }
3889 }
3890 ++lnum;
3891 line_breakcheck();
3892 }
3893 fclose(fd);
3894 }
3895 }
3896 FreeWild(fcount, fnames);
3897 }
3898 }
3899 vim_free(regmatch.regprog);
3900
3901 qi->qf_lists[qi->qf_curlist].qf_nonevalid = FALSE;
3902 qi->qf_lists[qi->qf_curlist].qf_ptr =
3903 qi->qf_lists[qi->qf_curlist].qf_start;
3904 qi->qf_lists[qi->qf_curlist].qf_index = 1;
3905 }
3906
3907 if (p_cpo == empty_option)
3908 p_cpo = save_cpo;
3909 else
3910 /* Darn, some plugin changed the value. */
3911 free_string_option(save_cpo);
3912
3913 #ifdef FEAT_WINDOWS
3914 qf_update_buffer(qi);
3915 #endif
3916
3917 /* Jump to first match. */
3918 if (qi->qf_lists[qi->qf_curlist].qf_count > 0)
3919 qf_jump(qi, 0, 0, FALSE);
3920 else
3921 EMSG2(_(e_nomatch2), eap->arg);
3922
3923 if (eap->cmdidx == CMD_lhelpgrep)
3924 {
3925 /* If the help window is not opened or if it already points to the
3926 * correct location list, then free the new location list. */
3927 if (!curwin->w_buffer->b_help || curwin->w_llist == qi)
3928 {
3929 if (new_qi)
3930 ll_free_all(&qi);
3931 }
3932 else if (curwin->w_llist == NULL)
3933 curwin->w_llist = qi;
3934 }
3935 }
3936
3937 #endif /* FEAT_QUICKFIX */
Vim for the Mac