1 /* vi:set ts=8 sts=4 sw=4:
3 * VIM - Vi IMproved by Bram Moolenaar
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.
11 * misc1.c: functions that didn't seem to fit elsewhere
17 static char_u *vim_version_dir __ARGS((char_u *vimdir));
18 static char_u *remove_tail __ARGS((char_u *p, char_u *pend, char_u *name));
19 static int copy_indent __ARGS((int size, char_u *src));
22 * Count the size (in window cells) of the indent in the current line.
27 return get_indent_str(ml_get_curline(), (int)curbuf->b_p_ts);
31 * Count the size (in window cells) of the indent in line "lnum".
37 return get_indent_str(ml_get(lnum), (int)curbuf->b_p_ts);
40 #if defined(FEAT_FOLDING) || defined(PROTO)
42 * Count the size (in window cells) of the indent in line "lnum" of buffer
46 get_indent_buf(buf, lnum)
50 return get_indent_str(ml_get_buf(buf, lnum, FALSE), (int)buf->b_p_ts);
55 * count the size (in window cells) of the indent in line "ptr", with
59 get_indent_str(ptr, ts)
67 if (*ptr == TAB) /* count a tab for what it is worth */
68 count += ts - (count % ts);
70 ++count; /* count a space for one */
78 * Set the indent of the current line.
79 * Leaves the cursor on the first non-blank in the line.
80 * Caller must take care of undo.
82 * SIN_CHANGED: call changed_bytes() if the line was changed.
83 * SIN_INSERT: insert the indent in front of the line.
84 * SIN_UNDO: save line for undo before changing it.
85 * Returns TRUE if the line was changed.
88 set_indent(size, flags)
89 int size; /* measured in spaces */
97 int ind_len; /* measured in characters */
100 int ind_done = 0; /* measured in spaces */
103 int orig_char_len = -1; /* number of initial whitespace chars when
104 'et' and 'pi' are both set */
107 * First check if there is anything to do and compute the number of
108 * characters needed for the indent.
112 p = oldline = ml_get_curline();
114 /* Calculate the buffer size for the new indent, and check to see if it
115 * isn't already set */
117 /* if 'expandtab' isn't set: use TABs; if both 'expandtab' and
118 * 'preserveindent' are set count the number of characters at the
119 * beginning of the line to be copied */
120 if (!curbuf->b_p_et || (!(flags & SIN_INSERT) && curbuf->b_p_pi))
122 /* If 'preserveindent' is set then reuse as much as possible of
123 * the existing indent structure for the new indent */
124 if (!(flags & SIN_INSERT) && curbuf->b_p_pi)
128 /* count as many characters as we can use */
129 while (todo > 0 && vim_iswhite(*p))
133 tab_pad = (int)curbuf->b_p_ts
134 - (ind_done % (int)curbuf->b_p_ts);
135 /* stop if this tab will overshoot the target */
151 /* Set initial number of whitespace chars to copy if we are
152 * preserving indent but expandtab is set */
154 orig_char_len = ind_len;
156 /* Fill to next tabstop with a tab, if possible */
157 tab_pad = (int)curbuf->b_p_ts - (ind_done % (int)curbuf->b_p_ts);
158 if (todo >= tab_pad && orig_char_len == -1)
163 /* ind_done += tab_pad; */
167 /* count tabs required for indent */
168 while (todo >= (int)curbuf->b_p_ts)
174 todo -= (int)curbuf->b_p_ts;
176 /* ind_done += (int)curbuf->b_p_ts; */
179 /* count spaces required for indent */
191 /* Return if the indent is OK already. */
192 if (!doit && !vim_iswhite(*p) && !(flags & SIN_INSERT))
195 /* Allocate memory for the new line. */
196 if (flags & SIN_INSERT)
200 line_len = (int)STRLEN(p) + 1;
202 /* If 'preserveindent' and 'expandtab' are both set keep the original
203 * characters and allocate accordingly. We will fill the rest with spaces
204 * after the if (!curbuf->b_p_et) below. */
205 if (orig_char_len != -1)
207 newline = alloc(orig_char_len + size - ind_done + line_len);
210 todo = size - ind_done;
211 ind_len = orig_char_len + todo; /* Set total length of indent in
212 * characters, which may have been
213 * undercounted until now */
216 while (orig_char_len > 0)
222 /* Skip over any additional white space (useful when newindent is less
224 while (vim_iswhite(*p))
231 newline = alloc(ind_len + line_len);
237 /* Put the characters in the new line. */
238 /* if 'expandtab' isn't set: use TABs */
241 /* If 'preserveindent' is set then reuse as much as possible of
242 * the existing indent structure for the new indent */
243 if (!(flags & SIN_INSERT) && curbuf->b_p_pi)
248 while (todo > 0 && vim_iswhite(*p))
252 tab_pad = (int)curbuf->b_p_ts
253 - (ind_done % (int)curbuf->b_p_ts);
254 /* stop if this tab will overshoot the target */
268 /* Fill to next tabstop with a tab, if possible */
269 tab_pad = (int)curbuf->b_p_ts - (ind_done % (int)curbuf->b_p_ts);
279 while (todo >= (int)curbuf->b_p_ts)
282 todo -= (int)curbuf->b_p_ts;
290 mch_memmove(s, p, (size_t)line_len);
292 /* Replace the line (unless undo fails). */
293 if (!(flags & SIN_UNDO) || u_savesub(curwin->w_cursor.lnum) == OK)
295 ml_replace(curwin->w_cursor.lnum, newline, FALSE);
296 if (flags & SIN_CHANGED)
297 changed_bytes(curwin->w_cursor.lnum, 0);
298 /* Correct saved cursor position if it's after the indent. */
299 if (saved_cursor.lnum == curwin->w_cursor.lnum
300 && saved_cursor.col >= (colnr_T)(p - oldline))
301 saved_cursor.col += ind_len - (colnr_T)(p - oldline);
307 curwin->w_cursor.col = ind_len;
312 * Copy the indent from ptr to the current line (and fill to size)
313 * Leaves the cursor on the first non-blank in the line.
314 * Returns TRUE if the line was changed.
317 copy_indent(size, src)
331 /* Round 1: compute the number of characters needed for the indent
332 * Round 2: copy the characters. */
333 for (round = 1; round <= 2; ++round)
340 /* Count/copy the usable portion of the source line */
341 while (todo > 0 && vim_iswhite(*s))
345 tab_pad = (int)curbuf->b_p_ts
346 - (ind_done % (int)curbuf->b_p_ts);
347 /* Stop if this tab will overshoot the target */
364 /* Fill to next tabstop with a tab, if possible */
365 tab_pad = (int)curbuf->b_p_ts - (ind_done % (int)curbuf->b_p_ts);
374 /* Add tabs required for indent */
375 while (todo >= (int)curbuf->b_p_ts)
377 todo -= (int)curbuf->b_p_ts;
383 /* Count/add spaces required for indent */
394 /* Allocate memory for the result: the copied indent, new indent
395 * and the rest of the line. */
396 line_len = (int)STRLEN(ml_get_curline()) + 1;
397 line = alloc(ind_len + line_len);
404 /* Append the original line */
405 mch_memmove(p, ml_get_curline(), (size_t)line_len);
407 /* Replace the line */
408 ml_replace(curwin->w_cursor.lnum, line, FALSE);
410 /* Put the cursor after the indent. */
411 curwin->w_cursor.col = ind_len;
416 * Return the indent of the current line after a number. Return -1 if no
417 * number was found. Used for 'n' in 'formatoptions': numbered list.
418 * Since a pattern is used it can actually handle more than numbers.
421 get_number_indent(lnum)
426 regmmatch_T regmatch;
428 if (lnum > curbuf->b_ml.ml_line_count)
431 regmatch.regprog = vim_regcomp(curbuf->b_p_flp, RE_MAGIC);
432 if (regmatch.regprog != NULL)
434 regmatch.rmm_ic = FALSE;
435 regmatch.rmm_maxcol = 0;
436 if (vim_regexec_multi(®match, curwin, curbuf, lnum,
439 pos.lnum = regmatch.endpos[0].lnum + lnum;
440 pos.col = regmatch.endpos[0].col;
441 #ifdef FEAT_VIRTUALEDIT
445 vim_free(regmatch.regprog);
448 if (pos.lnum == 0 || *ml_get_pos(&pos) == NUL)
450 getvcol(curwin, &pos, &col, NULL, NULL);
454 #if defined(FEAT_CINDENT) || defined(FEAT_SMARTINDENT)
456 static int cin_is_cinword __ARGS((char_u *line));
459 * Return TRUE if the string "line" starts with a word from 'cinwords'.
471 cinw_len = (int)STRLEN(curbuf->b_p_cinw) + 1;
472 cinw_buf = alloc((unsigned)cinw_len);
473 if (cinw_buf != NULL)
475 line = skipwhite(line);
476 for (cinw = curbuf->b_p_cinw; *cinw; )
478 len = copy_option_part(&cinw, cinw_buf, cinw_len, ",");
479 if (STRNCMP(line, cinw_buf, len) == 0
480 && (!vim_iswordc(line[len]) || !vim_iswordc(line[len - 1])))
493 * open_line: Add a new line below or above the current line.
495 * For VREPLACE mode, we only add a new line when we get to the end of the
496 * file, otherwise we just start replacing the next line.
498 * Caller must take care of undo. Since VREPLACE may affect any number of
499 * lines however, it may call u_save_cursor() again when starting to change a
501 * "flags": OPENLINE_DELSPACES delete spaces after cursor
502 * OPENLINE_DO_COM format comments
503 * OPENLINE_KEEPTRAIL keep trailing spaces
504 * OPENLINE_MARKFIX adjust mark positions after the line break
506 * Return TRUE for success, FALSE for failure
509 open_line(dir, flags, old_indent)
510 int dir; /* FORWARD or BACKWARD */
512 int old_indent; /* indent for after ^^D in Insert mode */
514 char_u *saved_line; /* copy of the original line */
515 char_u *next_line = NULL; /* copy of the next line */
516 char_u *p_extra = NULL; /* what goes to next line */
517 int less_cols = 0; /* less columns for mark in new line */
518 int less_cols_off = 0; /* columns to skip for mark adjust */
519 pos_T old_cursor; /* old cursor position */
520 int newcol = 0; /* new cursor column */
521 int newindent = 0; /* auto-indent of the new line */
523 int trunc_line = FALSE; /* truncate current line afterwards */
524 int retval = FALSE; /* return value, default is FAIL */
526 int extra_len = 0; /* length of p_extra string */
527 int lead_len; /* length of comment leader */
528 char_u *lead_flags; /* position in 'comments' for comment leader */
529 char_u *leader = NULL; /* copy of comment leader */
531 char_u *allocated = NULL; /* allocated memory */
532 #if defined(FEAT_SMARTINDENT) || defined(FEAT_VREPLACE) || defined(FEAT_LISP) \
533 || defined(FEAT_CINDENT) || defined(FEAT_COMMENTS)
536 int saved_char = NUL; /* init for GCC */
537 #if defined(FEAT_SMARTINDENT) || defined(FEAT_COMMENTS)
540 #ifdef FEAT_SMARTINDENT
541 int do_si = (!p_paste && curbuf->b_p_si
546 int no_si = FALSE; /* reset did_si afterwards */
547 int first_char = NUL; /* init for GCC */
549 #if defined(FEAT_VREPLACE) && (defined(FEAT_LISP) || defined(FEAT_CINDENT))
552 int did_append; /* appended a new line */
553 int saved_pi = curbuf->b_p_pi; /* copy of preserveindent setting */
556 * make a copy of the current line so we can mess with it
558 saved_line = vim_strsave(ml_get_curline());
559 if (saved_line == NULL) /* out of memory! */
563 if (State & VREPLACE_FLAG)
566 * With VREPLACE we make a copy of the next line, which we will be
567 * starting to replace. First make the new line empty and let vim play
568 * with the indenting and comment leader to its heart's content. Then
569 * we grab what it ended up putting on the new line, put back the
570 * original line, and call ins_char() to put each new character onto
571 * the line, replacing what was there before and pushing the right
572 * stuff onto the replace stack. -- webb.
574 if (curwin->w_cursor.lnum < orig_line_count)
575 next_line = vim_strsave(ml_get(curwin->w_cursor.lnum + 1));
577 next_line = vim_strsave((char_u *)"");
578 if (next_line == NULL) /* out of memory! */
582 * In VREPLACE mode, a NL replaces the rest of the line, and starts
583 * replacing the next line, so push all of the characters left on the
584 * line onto the replace stack. We'll push any other characters that
585 * might be replaced at the start of the next line (due to autoindent
588 replace_push(NUL); /* Call twice because BS over NL expects it */
590 p = saved_line + curwin->w_cursor.col;
595 p += replace_push_mb(p);
600 saved_line[curwin->w_cursor.col] = NUL;
606 && !(State & VREPLACE_FLAG)
610 p_extra = saved_line + curwin->w_cursor.col;
611 #ifdef FEAT_SMARTINDENT
612 if (do_si) /* need first char after new line break */
614 p = skipwhite(p_extra);
619 extra_len = (int)STRLEN(p_extra);
621 saved_char = *p_extra;
625 u_clearline(); /* cannot do "U" command when adding lines */
626 #ifdef FEAT_SMARTINDENT
632 * If we just did an auto-indent, then we didn't type anything on
633 * the prior line, and it should be truncated. Do this even if 'ai' is not
634 * set because automatically inserting a comment leader also sets did_ai.
636 if (dir == FORWARD && did_ai)
640 * If 'autoindent' and/or 'smartindent' is set, try to figure out what
641 * indent to use for the new line.
644 #ifdef FEAT_SMARTINDENT
650 * count white space on current line
652 newindent = get_indent_str(saved_line, (int)curbuf->b_p_ts);
654 newindent = old_indent; /* for ^^D command in insert mode */
656 #ifdef FEAT_SMARTINDENT
658 * Do smart indenting.
659 * In insert/replace mode (only when dir == FORWARD)
660 * we may move some text to the next line. If it starts with '{'
661 * don't add an indent. Fixes inserting a NL before '{' in line
664 if (!trunc_line && do_si && *saved_line != NUL
665 && (p_extra == NULL || first_char != '{'))
670 old_cursor = curwin->w_cursor;
672 # ifdef FEAT_COMMENTS
673 if (flags & OPENLINE_DO_COM)
674 lead_len = get_leader_len(ptr, NULL, FALSE);
681 * Skip preprocessor directives, unless they are
682 * recognised as comments.
685 # ifdef FEAT_COMMENTS
690 while (ptr[0] == '#' && curwin->w_cursor.lnum > 1)
691 ptr = ml_get(--curwin->w_cursor.lnum);
692 newindent = get_indent();
694 # ifdef FEAT_COMMENTS
695 if (flags & OPENLINE_DO_COM)
696 lead_len = get_leader_len(ptr, NULL, FALSE);
702 * This case gets the following right:
704 * * A comment (read '\' as '/').
707 * This should line up here;
710 if (p[0] == '/' && p[1] == '*')
716 if (p[0] == '/' && p[-1] == '*')
719 * End of C comment, indent should line up
720 * with the line containing the start of
723 curwin->w_cursor.col = (colnr_T)(p - ptr);
724 if ((pos = findmatch(NULL, NUL)) != NULL)
726 curwin->w_cursor.lnum = pos->lnum;
727 newindent = get_indent();
733 else /* Not a comment line */
736 /* Find last non-blank in line */
737 p = ptr + STRLEN(ptr) - 1;
738 while (p > ptr && vim_iswhite(*p))
743 * find the character just before the '{' or ';'
745 if (last_char == '{' || last_char == ';')
749 while (p > ptr && vim_iswhite(*p))
753 * Try to catch lines that are split over multiple
757 * Should line up here!
762 curwin->w_cursor.col = (colnr_T)(p - ptr);
763 if ((pos = findmatch(NULL, '(')) != NULL)
765 curwin->w_cursor.lnum = pos->lnum;
766 newindent = get_indent();
767 ptr = ml_get_curline();
771 * If last character is '{' do indent, without
772 * checking for "if" and the like.
774 if (last_char == '{')
776 did_si = TRUE; /* do indent */
777 no_si = TRUE; /* don't delete it when '{' typed */
780 * Look for "if" and the like, use 'cinwords'.
781 * Don't do this if the previous line ended in ';' or
784 else if (last_char != ';' && last_char != '}'
785 && cin_is_cinword(ptr))
789 else /* dir == BACKWARD */
792 * Skip preprocessor directives, unless they are
793 * recognised as comments.
796 # ifdef FEAT_COMMENTS
801 int was_backslashed = FALSE;
803 while ((ptr[0] == '#' || was_backslashed) &&
804 curwin->w_cursor.lnum < curbuf->b_ml.ml_line_count)
806 if (*ptr && ptr[STRLEN(ptr) - 1] == '\\')
807 was_backslashed = TRUE;
809 was_backslashed = FALSE;
810 ptr = ml_get(++curwin->w_cursor.lnum);
813 newindent = 0; /* Got to end of file */
815 newindent = get_indent();
818 if (*p == '}') /* if line starts with '}': do indent */
820 else /* can delete indent when '{' typed */
823 curwin->w_cursor = old_cursor;
827 #endif /* FEAT_SMARTINDENT */
834 * Find out if the current line starts with a comment leader.
835 * This may then be inserted in front of the new line.
837 end_comment_pending = NUL;
838 if (flags & OPENLINE_DO_COM)
839 lead_len = get_leader_len(saved_line, &lead_flags, dir == BACKWARD);
844 char_u *lead_repl = NULL; /* replaces comment leader */
845 int lead_repl_len = 0; /* length of *lead_repl */
846 char_u lead_middle[COM_MAX_LEN]; /* middle-comment string */
847 char_u lead_end[COM_MAX_LEN]; /* end-comment string */
848 char_u *comment_end = NULL; /* where lead_end has been found */
849 int extra_space = FALSE; /* append extra space */
851 int require_blank = FALSE; /* requires blank after middle */
855 * If the comment leader has the start, middle or end flag, it may not
856 * be used or may be replaced with the middle leader.
858 for (p = lead_flags; *p && *p != ':'; ++p)
862 require_blank = TRUE;
865 if (*p == COM_START || *p == COM_MIDDLE)
871 * Doing "O" on a start of comment does not insert leader.
879 /* find start of middle part */
880 (void)copy_option_part(&p, lead_middle, COM_MAX_LEN, ",");
881 require_blank = FALSE;
885 * Isolate the strings of the middle and end leader.
887 while (*p && p[-1] != ':') /* find end of middle flags */
890 require_blank = TRUE;
893 (void)copy_option_part(&p, lead_middle, COM_MAX_LEN, ",");
895 while (*p && p[-1] != ':') /* find end of end flags */
897 /* Check whether we allow automatic ending of comments */
898 if (*p == COM_AUTO_END)
899 end_comment_pending = -1; /* means we want to set it */
902 n = copy_option_part(&p, lead_end, COM_MAX_LEN, ",");
904 if (end_comment_pending == -1) /* we can set it now */
905 end_comment_pending = lead_end[n - 1];
908 * If the end of the comment is in the same line, don't use
909 * the comment leader.
913 for (p = saved_line + lead_len; *p; ++p)
914 if (STRNCMP(p, lead_end, n) == 0)
923 * Doing "o" on a start of comment inserts the middle leader.
927 if (current_flag == COM_START)
929 lead_repl = lead_middle;
930 lead_repl_len = (int)STRLEN(lead_middle);
934 * If we have hit RETURN immediately after the start
935 * comment leader, then put a space after the middle
936 * comment leader on the next line.
938 if (!vim_iswhite(saved_line[lead_len - 1])
940 && (int)curwin->w_cursor.col == lead_len)
942 && saved_line[lead_len] == NUL)
951 * Doing "o" on the end of a comment does not insert leader.
952 * Remember where the end is, might want to use it to find the
953 * start (for C-comments).
957 comment_end = skipwhite(saved_line);
963 * Doing "O" on the end of a comment inserts the middle leader.
964 * Find the string for the middle leader, searching backwards.
966 while (p > curbuf->b_p_com && *p != ',')
968 for (lead_repl = p; lead_repl > curbuf->b_p_com
969 && lead_repl[-1] != ':'; --lead_repl)
971 lead_repl_len = (int)(p - lead_repl);
973 /* We can probably always add an extra space when doing "O" on
977 /* Check whether we allow automatic ending of comments */
978 for (p2 = p; *p2 && *p2 != ':'; p2++)
980 if (*p2 == COM_AUTO_END)
981 end_comment_pending = -1; /* means we want to set it */
983 if (end_comment_pending == -1)
985 /* Find last character in end-comment string */
986 while (*p2 && *p2 != ',')
988 end_comment_pending = p2[-1];
995 * Comment leader for first line only: Don't repeat leader
996 * when using "O", blank out leader when using "o".
1002 lead_repl = (char_u *)"";
1010 /* allocate buffer (may concatenate p_exta later) */
1011 leader = alloc(lead_len + lead_repl_len + extra_space +
1013 allocated = leader; /* remember to free it later */
1019 vim_strncpy(leader, saved_line, lead_len);
1022 * Replace leader with lead_repl, right or left adjusted
1024 if (lead_repl != NULL)
1029 for (p = lead_flags; *p != NUL && *p != ':'; )
1031 if (*p == COM_RIGHT || *p == COM_LEFT)
1033 else if (VIM_ISDIGIT(*p) || *p == '-')
1034 off = getdigits(&p);
1038 if (c == COM_RIGHT) /* right adjusted leader */
1040 /* find last non-white in the leader to line up with */
1041 for (p = leader + lead_len - 1; p > leader
1042 && vim_iswhite(*p); --p)
1047 /* Compute the length of the replaced characters in
1048 * screen characters, not bytes. */
1050 int repl_size = vim_strnsize(lead_repl,
1056 while (old_size < repl_size && p > leader)
1058 mb_ptr_back(leader, p);
1059 old_size += ptr2cells(p);
1061 l = lead_repl_len - (int)(endp - p);
1063 mch_memmove(endp + l, endp,
1064 (size_t)((leader + lead_len) - endp));
1068 if (p < leader + lead_repl_len)
1073 mch_memmove(p, lead_repl, (size_t)lead_repl_len);
1074 if (p + lead_repl_len > leader + lead_len)
1075 p[lead_repl_len] = NUL;
1077 /* blank-out any other chars from the old leader. */
1078 while (--p >= leader)
1081 int l = mb_head_off(leader, p);
1086 if (ptr2cells(p) > 1)
1091 mch_memmove(p + 1, p + l + 1,
1092 (size_t)((leader + lead_len) - (p + l + 1)));
1098 if (!vim_iswhite(*p))
1102 else /* left adjusted leader */
1104 p = skipwhite(leader);
1106 /* Compute the length of the replaced characters in
1107 * screen characters, not bytes. Move the part that is
1108 * not to be overwritten. */
1110 int repl_size = vim_strnsize(lead_repl,
1115 for (i = 0; p[i] != NUL && i < lead_len; i += l)
1117 l = (*mb_ptr2len)(p + i);
1118 if (vim_strnsize(p, i + l) > repl_size)
1121 if (i != lead_repl_len)
1123 mch_memmove(p + lead_repl_len, p + i,
1124 (size_t)(lead_len - i - (p - leader)));
1125 lead_len += lead_repl_len - i;
1129 mch_memmove(p, lead_repl, (size_t)lead_repl_len);
1131 /* Replace any remaining non-white chars in the old
1132 * leader by spaces. Keep Tabs, the indent must
1133 * remain the same. */
1134 for (p += lead_repl_len; p < leader + lead_len; ++p)
1135 if (!vim_iswhite(*p))
1137 /* Don't put a space before a TAB. */
1138 if (p + 1 < leader + lead_len && p[1] == TAB)
1141 mch_memmove(p, p + 1,
1142 (leader + lead_len) - p);
1147 int l = (*mb_ptr2len)(p);
1151 if (ptr2cells(p) > 1)
1153 /* Replace a double-wide char with
1158 mch_memmove(p + 1, p + l,
1159 (leader + lead_len) - p);
1169 /* Recompute the indent, it may have changed. */
1171 #ifdef FEAT_SMARTINDENT
1175 newindent = get_indent_str(leader, (int)curbuf->b_p_ts);
1177 /* Add the indent offset */
1178 if (newindent + off < 0)
1186 /* Correct trailing spaces for the shift, so that
1187 * alignment remains equal. */
1188 while (off > 0 && lead_len > 0
1189 && leader[lead_len - 1] == ' ')
1191 /* Don't do it when there is a tab before the space */
1192 if (vim_strchr(skipwhite(leader), '\t') != NULL)
1198 /* If the leader ends in white space, don't add an
1200 if (lead_len > 0 && vim_iswhite(leader[lead_len - 1]))
1201 extra_space = FALSE;
1202 leader[lead_len] = NUL;
1207 leader[lead_len++] = ' ';
1208 leader[lead_len] = NUL;
1214 * if a new indent will be set below, remove the indent that
1215 * is in the comment leader
1218 #ifdef FEAT_SMARTINDENT
1223 while (lead_len && vim_iswhite(*leader))
1232 #ifdef FEAT_SMARTINDENT
1233 did_si = can_si = FALSE;
1236 else if (comment_end != NULL)
1239 * We have finished a comment, so we don't use the leader.
1240 * If this was a C-comment and 'ai' or 'si' is set do a normal
1241 * indent to align with the line containing the start of the
1244 if (comment_end[0] == '*' && comment_end[1] == '/' &&
1246 #ifdef FEAT_SMARTINDENT
1251 old_cursor = curwin->w_cursor;
1252 curwin->w_cursor.col = (colnr_T)(comment_end - saved_line);
1253 if ((pos = findmatch(NULL, NUL)) != NULL)
1255 curwin->w_cursor.lnum = pos->lnum;
1256 newindent = get_indent();
1258 curwin->w_cursor = old_cursor;
1264 /* (State == INSERT || State == REPLACE), only when dir == FORWARD */
1265 if (p_extra != NULL)
1267 *p_extra = saved_char; /* restore char that NUL replaced */
1270 * When 'ai' set or "flags" has OPENLINE_DELSPACES, skip to the first
1273 * When in REPLACE mode, put the deleted blanks on the replace stack,
1274 * preceded by a NUL, so they can be put back when a BS is entered.
1276 if (REPLACE_NORMAL(State))
1277 replace_push(NUL); /* end of extra blanks */
1278 if (curbuf->b_p_ai || (flags & OPENLINE_DELSPACES))
1280 while ((*p_extra == ' ' || *p_extra == '\t')
1283 || !utf_iscomposing(utf_ptr2char(p_extra + 1)))
1287 if (REPLACE_NORMAL(State))
1288 replace_push(*p_extra);
1293 if (*p_extra != NUL)
1294 did_ai = FALSE; /* append some text, don't truncate now */
1296 /* columns for marks adjusted for removed columns */
1297 less_cols = (int)(p_extra - saved_line);
1300 if (p_extra == NULL)
1301 p_extra = (char_u *)""; /* append empty line */
1303 #ifdef FEAT_COMMENTS
1304 /* concatenate leader and p_extra, if there is a leader */
1307 STRCAT(leader, p_extra);
1309 did_ai = TRUE; /* So truncating blanks works with comments */
1310 less_cols -= lead_len;
1313 end_comment_pending = NUL; /* turns out there was no leader */
1316 old_cursor = curwin->w_cursor;
1317 if (dir == BACKWARD)
1318 --curwin->w_cursor.lnum;
1319 #ifdef FEAT_VREPLACE
1320 if (!(State & VREPLACE_FLAG) || old_cursor.lnum >= orig_line_count)
1323 if (ml_append(curwin->w_cursor.lnum, p_extra, (colnr_T)0, FALSE)
1326 /* Postpone calling changed_lines(), because it would mess up folding
1328 mark_adjust(curwin->w_cursor.lnum + 1, (linenr_T)MAXLNUM, 1L, 0L);
1331 #ifdef FEAT_VREPLACE
1335 * In VREPLACE mode we are starting to replace the next line.
1337 curwin->w_cursor.lnum++;
1338 if (curwin->w_cursor.lnum >= Insstart.lnum + vr_lines_changed)
1340 /* In case we NL to a new line, BS to the previous one, and NL
1341 * again, we don't want to save the new line for undo twice.
1343 (void)u_save_cursor(); /* errors are ignored! */
1346 ml_replace(curwin->w_cursor.lnum, p_extra, TRUE);
1347 changed_bytes(curwin->w_cursor.lnum, 0);
1348 curwin->w_cursor.lnum--;
1354 #ifdef FEAT_SMARTINDENT
1359 ++curwin->w_cursor.lnum;
1360 #ifdef FEAT_SMARTINDENT
1364 newindent -= newindent % (int)curbuf->b_p_sw;
1365 newindent += (int)curbuf->b_p_sw;
1368 /* Copy the indent */
1371 (void)copy_indent(newindent, saved_line);
1374 * Set the 'preserveindent' option so that any further screwing
1375 * with the line doesn't entirely destroy our efforts to preserve
1376 * it. It gets restored at the function end.
1378 curbuf->b_p_pi = TRUE;
1381 (void)set_indent(newindent, SIN_INSERT);
1382 less_cols -= curwin->w_cursor.col;
1384 ai_col = curwin->w_cursor.col;
1387 * In REPLACE mode, for each character in the new indent, there must
1388 * be a NUL on the replace stack, for when it is deleted with BS
1390 if (REPLACE_NORMAL(State))
1391 for (n = 0; n < (int)curwin->w_cursor.col; ++n)
1393 newcol += curwin->w_cursor.col;
1394 #ifdef FEAT_SMARTINDENT
1400 #ifdef FEAT_COMMENTS
1402 * In REPLACE mode, for each character in the extra leader, there must be
1403 * a NUL on the replace stack, for when it is deleted with BS.
1405 if (REPLACE_NORMAL(State))
1406 while (lead_len-- > 0)
1410 curwin->w_cursor = old_cursor;
1414 if (trunc_line || (State & INSERT))
1416 /* truncate current line at cursor */
1417 saved_line[curwin->w_cursor.col] = NUL;
1418 /* Remove trailing white space, unless OPENLINE_KEEPTRAIL used. */
1419 if (trunc_line && !(flags & OPENLINE_KEEPTRAIL))
1420 truncate_spaces(saved_line);
1421 ml_replace(curwin->w_cursor.lnum, saved_line, FALSE);
1425 changed_lines(curwin->w_cursor.lnum, curwin->w_cursor.col,
1426 curwin->w_cursor.lnum + 1, 1L);
1429 /* Move marks after the line break to the new line. */
1430 if (flags & OPENLINE_MARKFIX)
1431 mark_col_adjust(curwin->w_cursor.lnum,
1432 curwin->w_cursor.col + less_cols_off,
1433 1L, (long)-less_cols);
1436 changed_bytes(curwin->w_cursor.lnum, curwin->w_cursor.col);
1440 * Put the cursor on the new line. Careful: the scrollup() above may
1441 * have moved w_cursor, we must use old_cursor.
1443 curwin->w_cursor.lnum = old_cursor.lnum + 1;
1446 changed_lines(curwin->w_cursor.lnum, 0, curwin->w_cursor.lnum, 1L);
1448 curwin->w_cursor.col = newcol;
1449 #ifdef FEAT_VIRTUALEDIT
1450 curwin->w_cursor.coladd = 0;
1453 #if defined(FEAT_VREPLACE) && (defined(FEAT_LISP) || defined(FEAT_CINDENT))
1455 * In VREPLACE mode, we are handling the replace stack ourselves, so stop
1456 * fixthisline() from doing it (via change_indent()) by telling it we're in
1457 * normal INSERT mode.
1459 if (State & VREPLACE_FLAG)
1461 vreplace_mode = State; /* So we know to put things right later */
1469 * May do lisp indenting.
1472 # ifdef FEAT_COMMENTS
1478 fixthisline(get_lisp_indent);
1479 p = ml_get_curline();
1480 ai_col = (colnr_T)(skipwhite(p) - p);
1485 * May do indenting after opening a new line.
1490 || *curbuf->b_p_inde != NUL
1493 && in_cinkeys(dir == FORWARD
1495 : KEY_OPEN_BACK, ' ', linewhite(curwin->w_cursor.lnum)))
1498 p = ml_get_curline();
1499 ai_col = (colnr_T)(skipwhite(p) - p);
1502 #if defined(FEAT_VREPLACE) && (defined(FEAT_LISP) || defined(FEAT_CINDENT))
1503 if (vreplace_mode != 0)
1504 State = vreplace_mode;
1507 #ifdef FEAT_VREPLACE
1509 * Finally, VREPLACE gets the stuff on the new line, then puts back the
1510 * original line, and inserts the new stuff char by char, pushing old stuff
1511 * onto the replace stack (via ins_char()).
1513 if (State & VREPLACE_FLAG)
1515 /* Put new line in p_extra */
1516 p_extra = vim_strsave(ml_get_curline());
1517 if (p_extra == NULL)
1520 /* Put back original line */
1521 ml_replace(curwin->w_cursor.lnum, next_line, FALSE);
1523 /* Insert new stuff into line again */
1524 curwin->w_cursor.col = 0;
1525 #ifdef FEAT_VIRTUALEDIT
1526 curwin->w_cursor.coladd = 0;
1528 ins_bytes(p_extra); /* will call changed_bytes() */
1534 retval = TRUE; /* success! */
1536 curbuf->b_p_pi = saved_pi;
1537 vim_free(saved_line);
1538 vim_free(next_line);
1539 vim_free(allocated);
1543 #if defined(FEAT_COMMENTS) || defined(PROTO)
1545 * get_leader_len() returns the length of the prefix of the given string
1546 * which introduces a comment. If this string is not a comment then 0 is
1548 * When "flags" is not NULL, it is set to point to the flags of the recognized
1550 * "backward" must be true for the "O" command.
1553 get_leader_len(line, flags, backward)
1559 int got_com = FALSE;
1561 char_u part_buf[COM_MAX_LEN]; /* buffer for one option part */
1562 char_u *string; /* pointer to comment string */
1566 while (vim_iswhite(line[i])) /* leading white space is ignored */
1570 * Repeat to match several nested comment strings.
1575 * scan through the 'comments' option for a match
1578 for (list = curbuf->b_p_com; *list; )
1581 * Get one option part into part_buf[]. Advance list to next one.
1582 * put string at start of string.
1584 if (!got_com && flags != NULL) /* remember where flags started */
1586 (void)copy_option_part(&list, part_buf, COM_MAX_LEN, ",");
1587 string = vim_strchr(part_buf, ':');
1588 if (string == NULL) /* missing ':', ignore this part */
1590 *string++ = NUL; /* isolate flags from string */
1593 * When already found a nested comment, only accept further
1596 if (got_com && vim_strchr(part_buf, COM_NEST) == NULL)
1599 /* When 'O' flag used don't use for "O" command */
1600 if (backward && vim_strchr(part_buf, COM_NOBACK) != NULL)
1604 * Line contents and string must match.
1605 * When string starts with white space, must have some white space
1606 * (but the amount does not need to match, there might be a mix of
1609 if (vim_iswhite(string[0]))
1611 if (i == 0 || !vim_iswhite(line[i - 1]))
1613 while (vim_iswhite(string[0]))
1616 for (j = 0; string[j] != NUL && string[j] == line[i + j]; ++j)
1618 if (string[j] != NUL)
1622 * When 'b' flag used, there must be white space or an
1623 * end-of-line after the string in the line.
1625 if (vim_strchr(part_buf, COM_BLANK) != NULL
1626 && !vim_iswhite(line[i + j]) && line[i + j] != NUL)
1630 * We have found a match, stop searching.
1639 * No match found, stop scanning.
1645 * Include any trailing white space.
1647 while (vim_iswhite(line[i]))
1651 * If this comment doesn't nest, stop here.
1653 if (vim_strchr(part_buf, COM_NEST) == NULL)
1656 return (got_com ? i : 0);
1661 * Return the number of window lines occupied by buffer line "lnum".
1667 return plines_win(curwin, lnum, TRUE);
1671 plines_win(wp, lnum, winheight)
1674 int winheight; /* when TRUE limit to window height */
1676 #if defined(FEAT_DIFF) || defined(PROTO)
1677 /* Check for filler lines above this buffer line. When folded the result
1678 * is one line anyway. */
1679 return plines_win_nofill(wp, lnum, winheight) + diff_check_fill(wp, lnum);
1686 return plines_win_nofill(curwin, lnum, TRUE);
1690 plines_win_nofill(wp, lnum, winheight)
1693 int winheight; /* when TRUE limit to window height */
1701 #ifdef FEAT_VERTSPLIT
1702 if (wp->w_width == 0)
1707 /* A folded lines is handled just like an empty line. */
1708 /* NOTE: Caller must handle lines that are MAYBE folded. */
1709 if (lineFolded(wp, lnum) == TRUE)
1713 lines = plines_win_nofold(wp, lnum);
1714 if (winheight > 0 && lines > wp->w_height)
1715 return (int)wp->w_height;
1720 * Return number of window lines physical line "lnum" will occupy in window
1721 * "wp". Does not care about folding, 'wrap' or 'diff'.
1724 plines_win_nofold(wp, lnum)
1732 s = ml_get_buf(wp->w_buffer, lnum, FALSE);
1733 if (*s == NUL) /* empty line */
1735 col = win_linetabsize(wp, s, (colnr_T)MAXCOL);
1738 * If list mode is on, then the '$' at the end of the line may take up one
1741 if (wp->w_p_list && lcs_eol != NUL)
1745 * Add column offset for 'number', 'relativenumber' and 'foldcolumn'.
1747 width = W_WIDTH(wp) - win_col_off(wp);
1753 width += win_col_off2(wp);
1754 return (col + (width - 1)) / width + 1;
1758 * Like plines_win(), but only reports the number of physical screen lines
1759 * used from the start of the line to the given column number.
1762 plines_win_col(wp, lnum, column)
1773 /* Check for filler lines above this buffer line. When folded the result
1774 * is one line anyway. */
1775 lines = diff_check_fill(wp, lnum);
1781 #ifdef FEAT_VERTSPLIT
1782 if (wp->w_width == 0)
1786 s = ml_get_buf(wp->w_buffer, lnum, FALSE);
1789 while (*s != NUL && --column >= 0)
1791 col += win_lbr_chartabsize(wp, s, (colnr_T)col, NULL);
1796 * If *s is a TAB, and the TAB is not displayed as ^I, and we're not in
1797 * INSERT mode, then col must be adjusted so that it represents the last
1798 * screen position of the TAB. This only fixes an error when the TAB wraps
1799 * from one screen line to the next (when 'columns' is not a multiple of
1802 if (*s == TAB && (State & NORMAL) && (!wp->w_p_list || lcs_tab1))
1803 col += win_lbr_chartabsize(wp, s, (colnr_T)col, NULL) - 1;
1806 * Add column offset for 'number', 'relativenumber', 'foldcolumn', etc.
1808 width = W_WIDTH(wp) - win_col_off(wp);
1814 lines += (col - width) / (width + win_col_off2(wp)) + 1;
1819 plines_m_win(wp, first, last)
1821 linenr_T first, last;
1825 while (first <= last)
1830 /* Check if there are any really folded lines, but also included lines
1831 * that are maybe folded. */
1832 x = foldedCount(wp, first, NULL);
1835 ++count; /* count 1 for "+-- folded" line */
1842 if (first == wp->w_topline)
1843 count += plines_win_nofill(wp, first, TRUE) + wp->w_topfill;
1846 count += plines_win(wp, first, TRUE);
1853 #if defined(FEAT_VREPLACE) || defined(FEAT_INS_EXPAND) || defined(PROTO)
1855 * Insert string "p" at the cursor position. Stops at a NUL byte.
1856 * Handles Replace mode and multi-byte characters.
1862 ins_bytes_len(p, (int)STRLEN(p));
1866 #if defined(FEAT_VREPLACE) || defined(FEAT_INS_EXPAND) \
1867 || defined(FEAT_COMMENTS) || defined(FEAT_MBYTE) || defined(PROTO)
1869 * Insert string "p" with length "len" at the cursor position.
1870 * Handles Replace mode and multi-byte characters.
1873 ins_bytes_len(p, len)
1882 for (i = 0; i < len; i += n)
1885 /* avoid reading past p[len] */
1886 n = utfc_ptr2len_len(p + i, len - i);
1888 n = (*mb_ptr2len)(p + i);
1889 ins_char_bytes(p + i, n);
1893 for (i = 0; i < len; ++i)
1899 * Insert or replace a single character at the cursor position.
1900 * When in REPLACE or VREPLACE mode, replace any existing character.
1901 * Caller must have prepared for undo.
1902 * For multi-byte characters we get the whole character, the caller must
1903 * convert bytes to a character.
1909 #if defined(FEAT_MBYTE) || defined(PROTO)
1910 char_u buf[MB_MAXBYTES];
1913 n = (*mb_char2bytes)(c, buf);
1915 /* When "c" is 0x100, 0x200, etc. we don't want to insert a NUL byte.
1916 * Happens for CTRL-Vu9900. */
1920 ins_char_bytes(buf, n);
1924 ins_char_bytes(buf, charlen)
1930 int newlen; /* nr of bytes inserted */
1931 int oldlen; /* nr of bytes deleted (0 when not replacing) */
1935 int linelen; /* length of old line including NUL */
1937 linenr_T lnum = curwin->w_cursor.lnum;
1940 #ifdef FEAT_VIRTUALEDIT
1941 /* Break tabs if needed. */
1942 if (virtual_active() && curwin->w_cursor.coladd > 0)
1943 coladvance_force(getviscol());
1946 col = curwin->w_cursor.col;
1947 oldp = ml_get(lnum);
1948 linelen = (int)STRLEN(oldp) + 1;
1950 /* The lengths default to the values for when not replacing. */
1958 if (State & REPLACE_FLAG)
1960 #ifdef FEAT_VREPLACE
1961 if (State & VREPLACE_FLAG)
1963 colnr_T new_vcol = 0; /* init for GCC */
1971 * Disable 'list' temporarily, unless 'cpo' contains the 'L' flag.
1972 * Returns the old value of list, so when finished,
1973 * curwin->w_p_list should be set back to this.
1975 old_list = curwin->w_p_list;
1976 if (old_list && vim_strchr(p_cpo, CPO_LISTWM) == NULL)
1977 curwin->w_p_list = FALSE;
1980 * In virtual replace mode each character may replace one or more
1981 * characters (zero if it's a TAB). Count the number of bytes to
1982 * be deleted to make room for the new character, counting screen
1983 * cells. May result in adding spaces to fill a gap.
1985 getvcol(curwin, &curwin->w_cursor, NULL, &vcol, NULL);
1990 new_vcol = vcol + chartabsize(buf, vcol);
1991 while (oldp[col + oldlen] != NUL && vcol < new_vcol)
1993 vcol += chartabsize(oldp + col + oldlen, vcol);
1994 /* Don't need to remove a TAB that takes us to the right
1996 if (vcol > new_vcol && oldp[col + oldlen] == TAB)
1999 oldlen += (*mb_ptr2len)(oldp + col + oldlen);
2003 /* Deleted a bit too much, insert spaces. */
2004 if (vcol > new_vcol)
2005 newlen += vcol - new_vcol;
2007 curwin->w_p_list = old_list;
2011 if (oldp[col] != NUL)
2013 /* normal replace */
2015 oldlen = (*mb_ptr2len)(oldp + col);
2022 /* Push the replaced bytes onto the replace stack, so that they can be
2023 * put back when BS is used. The bytes of a multi-byte character are
2024 * done the other way around, so that the first byte is popped off
2025 * first (it tells the byte length of the character). */
2027 for (i = 0; i < oldlen; ++i)
2031 i += replace_push_mb(oldp + col + i) - 1;
2034 replace_push(oldp[col + i]);
2038 newp = alloc_check((unsigned)(linelen + newlen - oldlen));
2042 /* Copy bytes before the cursor. */
2044 mch_memmove(newp, oldp, (size_t)col);
2046 /* Copy bytes after the changed character(s). */
2048 mch_memmove(p + newlen, oldp + col + oldlen,
2049 (size_t)(linelen - col - oldlen));
2051 /* Insert or overwrite the new character. */
2053 mch_memmove(p, buf, charlen);
2060 /* Fill with spaces when necessary. */
2064 /* Replace the line in the buffer. */
2065 ml_replace(lnum, newp, FALSE);
2067 /* mark the buffer as changed and prepare for displaying */
2068 changed_bytes(lnum, col);
2071 * If we're in Insert or Replace mode and 'showmatch' is set, then briefly
2072 * show the match for right parens and braces.
2074 if (p_sm && (State & INSERT)
2079 #ifdef FEAT_INS_EXPAND
2080 && !ins_compl_active()
2085 #ifdef FEAT_RIGHTLEFT
2086 if (!p_ri || (State & REPLACE_FLAG))
2089 /* Normal insert: move cursor right */
2091 curwin->w_cursor.col += charlen;
2093 ++curwin->w_cursor.col;
2097 * TODO: should try to update w_row here, to avoid recomputing it later.
2102 * Insert a string at the cursor position.
2103 * Note: Does NOT handle Replace mode.
2104 * Caller must have prepared for undo.
2110 char_u *oldp, *newp;
2111 int newlen = (int)STRLEN(s);
2114 linenr_T lnum = curwin->w_cursor.lnum;
2116 #ifdef FEAT_VIRTUALEDIT
2117 if (virtual_active() && curwin->w_cursor.coladd > 0)
2118 coladvance_force(getviscol());
2121 col = curwin->w_cursor.col;
2122 oldp = ml_get(lnum);
2123 oldlen = (int)STRLEN(oldp);
2125 newp = alloc_check((unsigned)(oldlen + newlen + 1));
2129 mch_memmove(newp, oldp, (size_t)col);
2130 mch_memmove(newp + col, s, (size_t)newlen);
2131 mch_memmove(newp + col + newlen, oldp + col, (size_t)(oldlen - col + 1));
2132 ml_replace(lnum, newp, FALSE);
2133 changed_bytes(lnum, col);
2134 curwin->w_cursor.col += newlen;
2138 * Delete one character under the cursor.
2139 * If "fixpos" is TRUE, don't leave the cursor on the NUL after the line.
2140 * Caller must have prepared for undo.
2142 * return FAIL for failure, OK otherwise
2151 /* Make sure the cursor is at the start of a character. */
2153 if (*ml_get_cursor() == NUL)
2155 return del_chars(1L, fixpos);
2158 return del_bytes(1L, fixpos, TRUE);
2161 #if defined(FEAT_MBYTE) || defined(PROTO)
2163 * Like del_bytes(), but delete characters instead of bytes.
2166 del_chars(count, fixpos)
2175 p = ml_get_cursor();
2176 for (i = 0; i < count && *p != NUL; ++i)
2178 l = (*mb_ptr2len)(p);
2182 return del_bytes(bytes, fixpos, TRUE);
2187 * Delete "count" bytes under the cursor.
2188 * If "fixpos" is TRUE, don't leave the cursor on the NUL after the line.
2189 * Caller must have prepared for undo.
2191 * return FAIL for failure, OK otherwise
2194 del_bytes(count, fixpos_arg, use_delcombine)
2197 int use_delcombine UNUSED; /* 'delcombine' option applies */
2199 char_u *oldp, *newp;
2201 linenr_T lnum = curwin->w_cursor.lnum;
2202 colnr_T col = curwin->w_cursor.col;
2205 int fixpos = fixpos_arg;
2207 oldp = ml_get(lnum);
2208 oldlen = (int)STRLEN(oldp);
2211 * Can't do anything when the cursor is on the NUL after the line.
2217 /* If 'delcombine' is set and deleting (less than) one character, only
2218 * delete the last combining character. */
2219 if (p_deco && use_delcombine && enc_utf8
2220 && utfc_ptr2len(oldp + col) >= count)
2225 (void)utfc_ptr2char(oldp + col, cc);
2228 /* Find the last composing char, there can be several. */
2233 count = utf_ptr2len(oldp + n);
2235 } while (UTF_COMPOSINGLIKE(oldp + col, oldp + n));
2242 * When count is too big, reduce it.
2244 movelen = (long)oldlen - (long)col - count + 1; /* includes trailing NUL */
2248 * If we just took off the last character of a non-blank line, and
2249 * fixpos is TRUE, we don't want to end up positioned at the NUL,
2250 * unless "restart_edit" is set or 'virtualedit' contains "onemore".
2252 if (col > 0 && fixpos && restart_edit == 0
2253 #ifdef FEAT_VIRTUALEDIT
2254 && (ve_flags & VE_ONEMORE) == 0
2258 --curwin->w_cursor.col;
2259 #ifdef FEAT_VIRTUALEDIT
2260 curwin->w_cursor.coladd = 0;
2264 curwin->w_cursor.col -=
2265 (*mb_head_off)(oldp, oldp + curwin->w_cursor.col);
2268 count = oldlen - col;
2273 * If the old line has been allocated the deletion can be done in the
2274 * existing line. Otherwise a new line has to be allocated
2275 * Can't do this when using Netbeans, because we would need to invoke
2276 * netbeans_removed(), which deallocates the line. Let ml_replace() take
2277 * care of notifying Netbeans.
2279 #ifdef FEAT_NETBEANS_INTG
2280 if (netbeans_active())
2281 was_alloced = FALSE;
2284 was_alloced = ml_line_alloced(); /* check if oldp was allocated */
2286 newp = oldp; /* use same allocated memory */
2288 { /* need to allocate a new line */
2289 newp = alloc((unsigned)(oldlen + 1 - count));
2292 mch_memmove(newp, oldp, (size_t)col);
2294 mch_memmove(newp + col, oldp + col + count, (size_t)movelen);
2296 ml_replace(lnum, newp, FALSE);
2298 /* mark the buffer as changed and prepare for displaying */
2299 changed_bytes(lnum, curwin->w_cursor.col);
2305 * Delete from cursor to end of line.
2306 * Caller must have prepared for undo.
2308 * return FAIL for failure, OK otherwise
2311 truncate_line(fixpos)
2312 int fixpos; /* if TRUE fix the cursor position when done */
2315 linenr_T lnum = curwin->w_cursor.lnum;
2316 colnr_T col = curwin->w_cursor.col;
2319 newp = vim_strsave((char_u *)"");
2321 newp = vim_strnsave(ml_get(lnum), col);
2326 ml_replace(lnum, newp, FALSE);
2328 /* mark the buffer as changed and prepare for displaying */
2329 changed_bytes(lnum, curwin->w_cursor.col);
2332 * If "fixpos" is TRUE we don't want to end up positioned at the NUL.
2334 if (fixpos && curwin->w_cursor.col > 0)
2335 --curwin->w_cursor.col;
2341 * Delete "nlines" lines at the cursor.
2342 * Saves the lines for undo first if "undo" is TRUE.
2345 del_lines(nlines, undo)
2346 long nlines; /* number of lines to delete */
2347 int undo; /* if TRUE, prepare for undo */
2350 linenr_T first = curwin->w_cursor.lnum;
2355 /* save the deleted lines for undo */
2356 if (undo && u_savedel(first, nlines) == FAIL)
2359 for (n = 0; n < nlines; )
2361 if (curbuf->b_ml.ml_flags & ML_EMPTY) /* nothing to delete */
2364 ml_delete(first, TRUE);
2367 /* If we delete the last line in the file, stop */
2368 if (first > curbuf->b_ml.ml_line_count)
2372 /* Correct the cursor position before calling deleted_lines_mark(), it may
2373 * trigger a callback to display the cursor. */
2374 curwin->w_cursor.col = 0;
2375 check_cursor_lnum();
2377 /* adjust marks, mark the buffer as changed and prepare for displaying */
2378 deleted_lines_mark(first, n);
2385 char_u *ptr = ml_get_pos(pos);
2389 return (*mb_ptr2char)(ptr);
2399 return (*mb_ptr2char)(ml_get_cursor());
2401 return (int)*ml_get_cursor();
2405 * Write a character at the current cursor position.
2406 * It is directly written into the block.
2412 *(ml_get_buf(curbuf, curwin->w_cursor.lnum, TRUE)
2413 + curwin->w_cursor.col) = c;
2417 * When extra == 0: Return TRUE if the cursor is before or on the first
2418 * non-blank in the line.
2419 * When extra == 1: Return TRUE if the cursor is before the first non-blank in
2429 for (col = 0, ptr = ml_get_curline(); vim_iswhite(*ptr); ++col)
2431 if (col >= curwin->w_cursor.col + extra)
2438 * Skip to next part of an option argument: Skip space and comma.
2441 skip_to_option_part(p)
2452 * Call this function when something in the current buffer is changed.
2454 * Most often called through changed_bytes() and changed_lines(), which also
2455 * mark the area of the display to be redrawn.
2457 * Careful: may trigger autocommands that reload the buffer.
2462 #if defined(FEAT_XIM) && defined(FEAT_GUI_GTK)
2463 /* The text of the preediting area is inserted, but this doesn't
2464 * mean a change of the buffer yet. That is delayed until the
2465 * text is committed. (this means preedit becomes empty) */
2466 if (im_is_preediting() && !xim_changed_while_preediting)
2468 xim_changed_while_preediting = FALSE;
2471 if (!curbuf->b_changed)
2473 int save_msg_scroll = msg_scroll;
2475 /* Give a warning about changing a read-only file. This may also
2476 * check-out the file, thus change "curbuf"! */
2479 /* Create a swap file if that is wanted.
2480 * Don't do this for "nofile" and "nowrite" buffer types. */
2481 if (curbuf->b_may_swap
2482 #ifdef FEAT_QUICKFIX
2483 && !bt_dontwrite(curbuf)
2487 ml_open_file(curbuf);
2489 /* The ml_open_file() can cause an ATTENTION message.
2490 * Wait two seconds, to make sure the user reads this unexpected
2491 * message. Since we could be anywhere, call wait_return() now,
2492 * and don't let the emsg() set msg_scroll. */
2493 if (need_wait_return && emsg_silent == 0)
2496 ui_delay(2000L, TRUE);
2498 msg_scroll = save_msg_scroll;
2503 ++curbuf->b_changedtick;
2507 * Internal part of changed(), no user interaction.
2512 curbuf->b_changed = TRUE;
2513 ml_setflags(curbuf);
2515 check_status(curbuf);
2516 redraw_tabline = TRUE;
2519 need_maketitle = TRUE; /* set window title later */
2523 static void changedOneline __ARGS((buf_T *buf, linenr_T lnum));
2524 static void changed_lines_buf __ARGS((buf_T *buf, linenr_T lnum, linenr_T lnume, long xtra));
2525 static void changed_common __ARGS((linenr_T lnum, colnr_T col, linenr_T lnume, long xtra));
2528 * Changed bytes within a single line for the current buffer.
2529 * - marks the windows on this buffer to be redisplayed
2530 * - marks the buffer changed by calling changed()
2531 * - invalidates cached values
2532 * Careful: may trigger autocommands that reload the buffer.
2535 changed_bytes(lnum, col)
2539 changedOneline(curbuf, lnum);
2540 changed_common(lnum, col, lnum + 1, 0L);
2543 /* Diff highlighting in other diff windows may need to be updated too. */
2544 if (curwin->w_p_diff)
2549 for (wp = firstwin; wp != NULL; wp = wp->w_next)
2550 if (wp->w_p_diff && wp != curwin)
2552 redraw_win_later(wp, VALID);
2553 wlnum = diff_lnum_win(lnum, wp);
2555 changedOneline(wp->w_buffer, wlnum);
2562 changedOneline(buf, lnum)
2568 /* find the maximum area that must be redisplayed */
2569 if (lnum < buf->b_mod_top)
2570 buf->b_mod_top = lnum;
2571 else if (lnum >= buf->b_mod_bot)
2572 buf->b_mod_bot = lnum + 1;
2576 /* set the area that must be redisplayed to one line */
2577 buf->b_mod_set = TRUE;
2578 buf->b_mod_top = lnum;
2579 buf->b_mod_bot = lnum + 1;
2580 buf->b_mod_xlines = 0;
2585 * Appended "count" lines below line "lnum" in the current buffer.
2586 * Must be called AFTER the change and after mark_adjust().
2587 * Takes care of marking the buffer to be redrawn and sets the changed flag.
2590 appended_lines(lnum, count)
2594 changed_lines(lnum + 1, 0, lnum + 1, count);
2598 * Like appended_lines(), but adjust marks first.
2601 appended_lines_mark(lnum, count)
2605 mark_adjust(lnum + 1, (linenr_T)MAXLNUM, count, 0L);
2606 changed_lines(lnum + 1, 0, lnum + 1, count);
2610 * Deleted "count" lines at line "lnum" in the current buffer.
2611 * Must be called AFTER the change and after mark_adjust().
2612 * Takes care of marking the buffer to be redrawn and sets the changed flag.
2615 deleted_lines(lnum, count)
2619 changed_lines(lnum, 0, lnum + count, -count);
2623 * Like deleted_lines(), but adjust marks first.
2624 * Make sure the cursor is on a valid line before calling, a GUI callback may
2625 * be triggered to display the cursor.
2628 deleted_lines_mark(lnum, count)
2632 mark_adjust(lnum, (linenr_T)(lnum + count - 1), (long)MAXLNUM, -count);
2633 changed_lines(lnum, 0, lnum + count, -count);
2637 * Changed lines for the current buffer.
2638 * Must be called AFTER the change and after mark_adjust().
2639 * - mark the buffer changed by calling changed()
2640 * - mark the windows on this buffer to be redisplayed
2641 * - invalidate cached values
2642 * "lnum" is the first line that needs displaying, "lnume" the first line
2643 * below the changed lines (BEFORE the change).
2644 * When only inserting lines, "lnum" and "lnume" are equal.
2645 * Takes care of calling changed() and updating b_mod_*.
2646 * Careful: may trigger autocommands that reload the buffer.
2649 changed_lines(lnum, col, lnume, xtra)
2650 linenr_T lnum; /* first line with change */
2651 colnr_T col; /* column in first line with change */
2652 linenr_T lnume; /* line below last changed line */
2653 long xtra; /* number of extra lines (negative when deleting) */
2655 changed_lines_buf(curbuf, lnum, lnume, xtra);
2658 if (xtra == 0 && curwin->w_p_diff)
2660 /* When the number of lines doesn't change then mark_adjust() isn't
2661 * called and other diff buffers still need to be marked for
2666 for (wp = firstwin; wp != NULL; wp = wp->w_next)
2667 if (wp->w_p_diff && wp != curwin)
2669 redraw_win_later(wp, VALID);
2670 wlnum = diff_lnum_win(lnum, wp);
2672 changed_lines_buf(wp->w_buffer, wlnum,
2673 lnume - lnum + wlnum, 0L);
2678 changed_common(lnum, col, lnume, xtra);
2682 changed_lines_buf(buf, lnum, lnume, xtra)
2684 linenr_T lnum; /* first line with change */
2685 linenr_T lnume; /* line below last changed line */
2686 long xtra; /* number of extra lines (negative when deleting) */
2690 /* find the maximum area that must be redisplayed */
2691 if (lnum < buf->b_mod_top)
2692 buf->b_mod_top = lnum;
2693 if (lnum < buf->b_mod_bot)
2695 /* adjust old bot position for xtra lines */
2696 buf->b_mod_bot += xtra;
2697 if (buf->b_mod_bot < lnum)
2698 buf->b_mod_bot = lnum;
2700 if (lnume + xtra > buf->b_mod_bot)
2701 buf->b_mod_bot = lnume + xtra;
2702 buf->b_mod_xlines += xtra;
2706 /* set the area that must be redisplayed */
2707 buf->b_mod_set = TRUE;
2708 buf->b_mod_top = lnum;
2709 buf->b_mod_bot = lnume + xtra;
2710 buf->b_mod_xlines = xtra;
2715 * Common code for when a change is was made.
2716 * See changed_lines() for the arguments.
2717 * Careful: may trigger autocommands that reload the buffer.
2720 changed_common(lnum, col, lnume, xtra)
2731 #ifdef FEAT_JUMPLIST
2737 /* mark the buffer as modified */
2740 /* set the '. mark */
2741 if (!cmdmod.keepjumps)
2743 curbuf->b_last_change.lnum = lnum;
2744 curbuf->b_last_change.col = col;
2746 #ifdef FEAT_JUMPLIST
2747 /* Create a new entry if a new undo-able change was started or we
2748 * don't have an entry yet. */
2749 if (curbuf->b_new_change || curbuf->b_changelistlen == 0)
2751 if (curbuf->b_changelistlen == 0)
2755 /* Don't create a new entry when the line number is the same
2756 * as the last one and the column is not too far away. Avoids
2757 * creating many entries for typing "xxxxx". */
2758 p = &curbuf->b_changelist[curbuf->b_changelistlen - 1];
2759 if (p->lnum != lnum)
2763 cols = comp_textwidth(FALSE);
2766 add = (p->col + cols < col || col + cols < p->col);
2771 /* This is the first of a new sequence of undo-able changes
2772 * and it's at some distance of the last change. Use a new
2773 * position in the changelist. */
2774 curbuf->b_new_change = FALSE;
2776 if (curbuf->b_changelistlen == JUMPLISTSIZE)
2778 /* changelist is full: remove oldest entry */
2779 curbuf->b_changelistlen = JUMPLISTSIZE - 1;
2780 mch_memmove(curbuf->b_changelist, curbuf->b_changelist + 1,
2781 sizeof(pos_T) * (JUMPLISTSIZE - 1));
2782 FOR_ALL_TAB_WINDOWS(tp, wp)
2784 /* Correct position in changelist for other windows on
2786 if (wp->w_buffer == curbuf && wp->w_changelistidx > 0)
2787 --wp->w_changelistidx;
2790 FOR_ALL_TAB_WINDOWS(tp, wp)
2792 /* For other windows, if the position in the changelist is
2793 * at the end it stays at the end. */
2794 if (wp->w_buffer == curbuf
2795 && wp->w_changelistidx == curbuf->b_changelistlen)
2796 ++wp->w_changelistidx;
2798 ++curbuf->b_changelistlen;
2801 curbuf->b_changelist[curbuf->b_changelistlen - 1] =
2802 curbuf->b_last_change;
2803 /* The current window is always after the last change, so that "g,"
2804 * takes you back to it. */
2805 curwin->w_changelistidx = curbuf->b_changelistlen;
2809 FOR_ALL_TAB_WINDOWS(tp, wp)
2811 if (wp->w_buffer == curbuf)
2813 /* Mark this window to be redrawn later. */
2814 if (wp->w_redr_type < VALID)
2815 wp->w_redr_type = VALID;
2817 /* Check if a change in the buffer has invalidated the cached
2818 * values for the cursor. */
2821 * Update the folds for this window. Can't postpone this, because
2822 * a following operator might work on the whole fold: ">>dd".
2824 foldUpdate(wp, lnum, lnume + xtra - 1);
2826 /* The change may cause lines above or below the change to become
2827 * included in a fold. Set lnum/lnume to the first/last line that
2828 * might be displayed differently.
2829 * Set w_cline_folded here as an efficient way to update it when
2830 * inserting lines just above a closed fold. */
2831 i = hasFoldingWin(wp, lnum, &lnum, NULL, FALSE, NULL);
2832 if (wp->w_cursor.lnum == lnum)
2833 wp->w_cline_folded = i;
2834 i = hasFoldingWin(wp, lnume, NULL, &lnume, FALSE, NULL);
2835 if (wp->w_cursor.lnum == lnume)
2836 wp->w_cline_folded = i;
2838 /* If the changed line is in a range of previously folded lines,
2839 * compare with the first line in that range. */
2840 if (wp->w_cursor.lnum <= lnum)
2842 i = find_wl_entry(wp, lnum);
2843 if (i >= 0 && wp->w_cursor.lnum > wp->w_lines[i].wl_lnum)
2844 changed_line_abv_curs_win(wp);
2848 if (wp->w_cursor.lnum > lnum)
2849 changed_line_abv_curs_win(wp);
2850 else if (wp->w_cursor.lnum == lnum && wp->w_cursor.col >= col)
2851 changed_cline_bef_curs_win(wp);
2852 if (wp->w_botline >= lnum)
2854 /* Assume that botline doesn't change (inserted lines make
2855 * other lines scroll down below botline). */
2856 approximate_botline_win(wp);
2859 /* Check if any w_lines[] entries have become invalid.
2860 * For entries below the change: Correct the lnums for
2861 * inserted/deleted lines. Makes it possible to stop displaying
2862 * after the change. */
2863 for (i = 0; i < wp->w_lines_valid; ++i)
2864 if (wp->w_lines[i].wl_valid)
2866 if (wp->w_lines[i].wl_lnum >= lnum)
2868 if (wp->w_lines[i].wl_lnum < lnume)
2870 /* line included in change */
2871 wp->w_lines[i].wl_valid = FALSE;
2875 /* line below change */
2876 wp->w_lines[i].wl_lnum += xtra;
2878 wp->w_lines[i].wl_lastlnum += xtra;
2883 else if (wp->w_lines[i].wl_lastlnum >= lnum)
2885 /* change somewhere inside this range of folded lines,
2886 * may need to be redrawn */
2887 wp->w_lines[i].wl_valid = FALSE;
2893 /* Take care of side effects for setting w_topline when folds have
2894 * changed. Esp. when the buffer was changed in another window. */
2895 if (hasAnyFolding(wp))
2896 set_topline(wp, wp->w_topline);
2901 /* Call update_screen() later, which checks out what needs to be redrawn,
2902 * since it notices b_mod_set and then uses b_mod_*. */
2903 if (must_redraw < VALID)
2904 must_redraw = VALID;
2907 /* when the cursor line is changed always trigger CursorMoved */
2908 if (lnum <= curwin->w_cursor.lnum
2909 && lnume + (xtra < 0 ? -xtra : xtra) > curwin->w_cursor.lnum)
2910 last_cursormoved.lnum = 0;
2915 * unchanged() is called when the changed flag must be reset for buffer 'buf'
2920 int ff; /* also reset 'fileformat' */
2922 if (buf->b_changed || (ff && file_ff_differs(buf)))
2930 redraw_tabline = TRUE;
2933 need_maketitle = TRUE; /* set window title later */
2936 ++buf->b_changedtick;
2937 #ifdef FEAT_NETBEANS_INTG
2938 netbeans_unmodified(buf);
2942 #if defined(FEAT_WINDOWS) || defined(PROTO)
2944 * check_status: called when the status bars for the buffer 'buf'
2945 * need to be updated
2953 for (wp = firstwin; wp != NULL; wp = wp->w_next)
2954 if (wp->w_buffer == buf && wp->w_status_height)
2956 wp->w_redr_status = TRUE;
2957 if (must_redraw < VALID)
2958 must_redraw = VALID;
2964 * If the file is readonly, give a warning message with the first change.
2965 * Don't do this for autocommands.
2966 * Don't use emsg(), because it flushes the macro buffer.
2967 * If we have undone all changes b_changed will be FALSE, but "b_did_warn"
2969 * Careful: may trigger autocommands that reload the buffer.
2973 int col; /* column for message; non-zero when in insert
2974 mode and 'showmode' is on */
2976 static char *w_readonly = N_("W10: Warning: Changing a readonly file");
2978 if (curbuf->b_did_warn == FALSE
2979 && curbufIsChanged() == 0
2987 apply_autocmds(EVENT_FILECHANGEDRO, NULL, NULL, FALSE, curbuf);
2989 if (!curbuf->b_p_ro)
2993 * Do what msg() does, but with a column offset if the warning should
2994 * be after the mode message.
2997 if (msg_row == Rows - 1)
2999 msg_source(hl_attr(HLF_W));
3000 MSG_PUTS_ATTR(_(w_readonly), hl_attr(HLF_W) | MSG_HIST);
3002 set_vim_var_string(VV_WARNINGMSG, (char_u *)_(w_readonly), -1);
3006 if (msg_silent == 0 && !silent_mode)
3009 ui_delay(1000L, TRUE); /* give the user time to think about it */
3011 curbuf->b_did_warn = TRUE;
3012 redraw_cmdline = FALSE; /* don't redraw and erase the message */
3013 if (msg_row < Rows - 1)
3019 * Ask for a reply from the user, a 'y' or a 'n'.
3020 * No other characters are accepted, the message is repeated until a valid
3021 * reply is entered or CTRL-C is hit.
3022 * If direct is TRUE, don't use vgetc() but ui_inchar(), don't get characters
3023 * from any buffers but directly from the user.
3025 * return the 'y' or 'n'
3028 ask_yesno(str, direct)
3033 int save_State = State;
3035 if (exiting) /* put terminal in raw mode for this question */
3036 settmode(TMODE_RAW);
3038 #ifdef USE_ON_FLY_SCROLL
3039 dont_scroll = TRUE; /* disallow scrolling here */
3041 State = CONFIRM; /* mouse behaves like with :confirm */
3043 setmouse(); /* disables mouse for xterm */
3046 ++allow_keys; /* no mapping here, but recognize keys */
3048 while (r != 'y' && r != 'n')
3050 /* same highlighting as for wait_return */
3051 smsg_attr(hl_attr(HLF_R), (char_u *)"%s (y/n)?", str);
3053 r = get_keystroke();
3056 if (r == Ctrl_C || r == ESC)
3058 msg_putchar(r); /* show what you typed */
3073 * Get a key stroke directly from the user.
3074 * Ignores mouse clicks and scrollbar events, except a click for the left
3075 * button (used at the more prompt).
3076 * Doesn't use vgetc(), because it syncs undo and eats mapped characters.
3077 * Disadvantage: typeahead is ignored.
3078 * Translates the interrupt character for unix to ESC.
3084 char_u buf[CBUFLEN];
3087 int save_mapped_ctrl_c = mapped_ctrl_c;
3090 mapped_ctrl_c = FALSE; /* mappings are not used here */
3096 /* First time: blocking wait. Second time: wait up to 100ms for a
3097 * terminal code to complete. Leave some room for check_termcode() to
3098 * insert a key code into (max 5 chars plus NUL). And
3099 * fix_input_buffer() can triple the number of bytes. */
3100 n = ui_inchar(buf + len, (CBUFLEN - 6 - len) / 3,
3101 len == 0 ? -1L : 100L, 0);
3104 /* Replace zero and CSI by a special key code. */
3105 n = fix_input_buffer(buf + len, n, FALSE);
3110 ++waited; /* keep track of the waiting time */
3112 /* Incomplete termcode and not timed out yet: get more characters */
3113 if ((n = check_termcode(1, buf, len)) < 0
3114 && (!p_ttimeout || waited * 100L < (p_ttm < 0 ? p_tm : p_ttm)))
3117 /* found a termcode: adjust length */
3120 if (len == 0) /* nothing typed yet */
3123 /* Handle modifier and/or special key code. */
3127 n = TO_SPECIAL(buf[1], buf[2]);
3128 if (buf[1] == KS_MODIFIER
3131 || n == K_LEFTMOUSE_NM
3133 || n == K_LEFTRELEASE
3134 || n == K_LEFTRELEASE_NM
3135 || n == K_MIDDLEMOUSE
3136 || n == K_MIDDLEDRAG
3137 || n == K_MIDDLERELEASE
3138 || n == K_RIGHTMOUSE
3140 || n == K_RIGHTRELEASE
3144 || n == K_MOUSERIGHT
3152 || n == K_VER_SCROLLBAR
3153 || n == K_HOR_SCROLLBAR
3158 if (buf[1] == KS_MODIFIER)
3162 mch_memmove(buf, buf + 3, (size_t)len);
3170 if (MB_BYTE2LEN(n) > len)
3171 continue; /* more bytes to get */
3172 buf[len >= CBUFLEN ? CBUFLEN - 1 : len] = NUL;
3173 n = (*mb_ptr2char)(buf);
3183 mapped_ctrl_c = save_mapped_ctrl_c;
3188 * Get a number from the user.
3189 * When "mouse_used" is not NULL allow using the mouse.
3192 get_number(colon, mouse_used)
3193 int colon; /* allow colon to abort */
3200 if (mouse_used != NULL)
3201 *mouse_used = FALSE;
3203 /* When not printing messages, the user won't know what to type, return a
3204 * zero (as if CR was hit). */
3205 if (msg_silent != 0)
3208 #ifdef USE_ON_FLY_SCROLL
3209 dont_scroll = TRUE; /* disallow scrolling here */
3212 ++allow_keys; /* no mapping here, but recognize keys */
3215 windgoto(msg_row, msg_col);
3219 n = n * 10 + c - '0';
3223 else if (c == K_DEL || c == K_KDEL || c == K_BS || c == Ctrl_H)
3233 else if (mouse_used != NULL && c == K_LEFTMOUSE)
3240 else if (n == 0 && c == ':' && colon)
3242 stuffcharReadbuff(':');
3244 cmdline_row = msg_row;
3245 skip_redraw = TRUE; /* skip redraw once */
3249 else if (c == CAR || c == NL || c == Ctrl_C || c == ESC)
3258 * Ask the user to enter a number.
3259 * When "mouse_used" is not NULL allow using the mouse and in that case return
3263 prompt_for_number(mouse_used)
3267 int save_cmdline_row;
3270 /* When using ":silent" assume that <CR> was entered. */
3271 if (mouse_used != NULL)
3272 MSG_PUTS(_("Type number and <Enter> or click with mouse (empty cancels): "));
3274 MSG_PUTS(_("Type number and <Enter> (empty cancels): "));
3276 /* Set the state such that text can be selected/copied/pasted and we still
3277 * get mouse events. */
3278 save_cmdline_row = cmdline_row;
3283 i = get_number(TRUE, mouse_used);
3286 /* don't call wait_return() now */
3287 /* msg_putchar('\n'); */
3288 cmdline_row = msg_row - 1;
3289 need_wait_return = FALSE;
3294 cmdline_row = save_cmdline_row;
3306 if (global_busy /* no messages now, wait until global is finished */
3307 || !messaging()) /* 'lazyredraw' set, don't do messages now */
3310 /* We don't want to overwrite another important message, but do overwrite
3311 * a previous "more lines" or "fewer lines" message, so that "5dd" and
3312 * then "put" reports the last action. */
3313 if (keep_msg != NULL && !keep_msg_more)
3326 STRCPY(msg_buf, _("1 more line"));
3328 STRCPY(msg_buf, _("1 line less"));
3333 sprintf((char *)msg_buf, _("%ld more lines"), pn);
3335 sprintf((char *)msg_buf, _("%ld fewer lines"), pn);
3338 STRCAT(msg_buf, _(" (Interrupted)"));
3341 set_keep_msg(msg_buf, 0);
3342 keep_msg_more = TRUE;
3348 * flush map and typeahead buffers and give a warning for an error
3353 if (emsg_silent == 0)
3355 flush_buffers(FALSE);
3361 * give a warning for an error
3366 if (emsg_silent == 0)
3370 /* While the GUI is starting up the termcap is set for the GUI
3371 * but the output still goes to a terminal. */
3372 && !(gui.in_use && gui.starting)
3382 * The number of beeps outputted is reduced to avoid having to wait
3383 * for all the beeps to finish. This is only a problem on systems
3384 * where the beeps don't overlap.
3386 if (beep_count == 0 || beep_count == 10)
3398 /* When 'verbose' is set and we are sourcing a script or executing a
3399 * function give the user a hint where the beep comes from. */
3400 if (vim_strchr(p_debug, 'e') != NULL)
3402 msg_source(hl_attr(HLF_W));
3403 msg_attr((char_u *)_("Beep!"), hl_attr(HLF_W));
3409 * To get the "real" home directory:
3410 * - get value of $HOME
3412 * - go to that directory
3413 * - do mch_dirname() to get the real name of that directory.
3414 * This also works with mounts and links.
3415 * Don't do this for MS-DOS, it will change the "current dir" for a drive.
3417 static char_u *homedir = NULL;
3424 /* In case we are called a second time (when 'encoding' changes). */
3429 var = mch_getenv((char_u *)"SYS$LOGIN");
3431 var = mch_getenv((char_u *)"HOME");
3434 if (var != NULL && *var == NUL) /* empty is same as not set */
3439 * Weird but true: $HOME may contain an indirect reference to another
3440 * variable, esp. "%USERPROFILE%". Happens when $USERPROFILE isn't set
3441 * when $HOME is being set.
3443 if (var != NULL && *var == '%')
3448 p = vim_strchr(var + 1, '%');
3451 vim_strncpy(NameBuff, var + 1, p - (var + 1));
3452 exp = mch_getenv(NameBuff);
3453 if (exp != NULL && *exp != NUL
3454 && STRLEN(exp) + STRLEN(p) < MAXPATHL)
3456 vim_snprintf((char *)NameBuff, MAXPATHL, "%s%s", exp, p + 1);
3458 /* Also set $HOME, it's needed for _viminfo. */
3459 vim_setenv((char_u *)"HOME", NameBuff);
3465 * Typically, $HOME is not defined on Windows, unless the user has
3466 * specifically defined it for Vim's sake. However, on Windows NT
3467 * platforms, $HOMEDRIVE and $HOMEPATH are automatically defined for
3468 * each user. Try constructing $HOME from these.
3472 char_u *homedrive, *homepath;
3474 homedrive = mch_getenv((char_u *)"HOMEDRIVE");
3475 homepath = mch_getenv((char_u *)"HOMEPATH");
3476 if (homepath == NULL || *homepath == NUL)
3478 if (homedrive != NULL
3479 && STRLEN(homedrive) + STRLEN(homepath) < MAXPATHL)
3481 sprintf((char *)NameBuff, "%s%s", homedrive, homepath);
3482 if (NameBuff[0] != NUL)
3485 /* Also set $HOME, it's needed for _viminfo. */
3486 vim_setenv((char_u *)"HOME", NameBuff);
3491 # if defined(FEAT_MBYTE)
3492 if (enc_utf8 && var != NULL)
3497 /* Convert from active codepage to UTF-8. Other conversions are
3498 * not done, because they would fail for non-ASCII characters. */
3499 acp_to_enc(var, (int)STRLEN(var), &pp, &len);
3509 #if defined(OS2) || defined(MSDOS) || defined(MSWIN)
3511 * Default home dir is C:/
3512 * Best assumption we can make in such a situation.
3521 * Change to the directory and get the actual path. This resolves
3522 * links. Don't do it when we can't return.
3524 if (mch_dirname(NameBuff, MAXPATHL) == OK
3525 && mch_chdir((char *)NameBuff) == 0)
3527 if (!mch_chdir((char *)var) && mch_dirname(IObuff, IOSIZE) == OK)
3529 if (mch_chdir((char *)NameBuff) != 0)
3530 EMSG(_(e_prev_dir));
3533 homedir = vim_strsave(var);
3537 #if defined(EXITFREE) || defined(PROTO)
3546 * Call expand_env() and store the result in an allocated string.
3547 * This is not very memory efficient, this expects the result to be freed
3551 expand_env_save(src)
3554 return expand_env_save_opt(src, FALSE);
3558 * Idem, but when "one" is TRUE handle the string as one file name, only
3559 * expand "~" at the start.
3562 expand_env_save_opt(src, one)
3568 p = alloc(MAXPATHL);
3570 expand_env_esc(src, p, MAXPATHL, FALSE, one, NULL);
3575 * Expand environment variable with path name.
3576 * "~/" is also expanded, using $HOME. For Unix "~user/" is expanded.
3577 * Skips over "\ ", "\~" and "\$" (not for Win32 though).
3578 * If anything fails no expansion is done and dst equals src.
3581 expand_env(src, dst, dstlen)
3582 char_u *src; /* input string e.g. "$HOME/vim.hlp" */
3583 char_u *dst; /* where to put the result */
3584 int dstlen; /* maximum length of the result */
3586 expand_env_esc(src, dst, dstlen, FALSE, FALSE, NULL);
3590 expand_env_esc(srcp, dst, dstlen, esc, one, startstr)
3591 char_u *srcp; /* input string e.g. "$HOME/vim.hlp" */
3592 char_u *dst; /* where to put the result */
3593 int dstlen; /* maximum length of the result */
3594 int esc; /* escape spaces in expanded variables */
3595 int one; /* "srcp" is one file name */
3596 char_u *startstr; /* start again after this (can be NULL) */
3603 int mustfree; /* var was allocated, need to free it later */
3604 int at_start = TRUE; /* at start of a name */
3605 int startstr_len = 0;
3607 if (startstr != NULL)
3608 startstr_len = (int)STRLEN(startstr);
3610 src = skipwhite(srcp);
3611 --dstlen; /* leave one char space for "\," */
3612 while (*src && dstlen > 0)
3620 #if defined(MSDOS) || defined(MSWIN) || defined(OS2)
3623 || (*src == '~' && at_start))
3628 * The variable name is copied into dst temporarily, because it may
3629 * be a string in read-only memory and a NUL needs to be appended.
3631 if (*src != '~') /* environment var */
3638 /* Unix has ${var-name} type environment vars */
3639 if (*tail == '{' && !vim_isIDc('{'))
3641 tail++; /* ignore '{' */
3642 while (c-- > 0 && *tail && *tail != '}')
3648 while (c-- > 0 && *tail != NUL && ((vim_isIDc(*tail))
3649 #if defined(MSDOS) || defined(MSWIN) || defined(OS2)
3650 || (*src == '%' && *tail != '%')
3654 #ifdef OS2 /* env vars only in uppercase */
3655 *var++ = TOUPPER_LOC(*tail);
3656 tail++; /* toupper() may be a macro! */
3663 #if defined(MSDOS) || defined(MSWIN) || defined(OS2) || defined(UNIX)
3665 if (src[1] == '{' && *tail != '}')
3667 if (*src == '%' && *tail != '%')
3680 var = vim_getenv(dst, &mustfree);
3681 #if defined(MSDOS) || defined(MSWIN) || defined(OS2) || defined(UNIX)
3685 /* home directory */
3686 else if ( src[1] == NUL
3687 || vim_ispathsep(src[1])
3688 || vim_strchr((char_u *)" ,\t\n", src[1]) != NULL)
3693 else /* user directory */
3695 #if defined(UNIX) || (defined(VMS) && defined(USER_HOME))
3697 * Copy ~user to dst[], so we can put a NUL after it.
3704 && vim_isfilec(*tail)
3705 && !vim_ispathsep(*tail))
3710 * If the system supports getpwnam(), use it.
3711 * Otherwise, or if getpwnam() fails, the shell is used to
3712 * expand ~user. This is slower and may fail if the shell
3713 * does not support ~user (old versions of /bin/sh).
3715 # if defined(HAVE_GETPWNAM) && defined(HAVE_PWD_H)
3719 /* Note: memory allocated by getpwnam() is never freed.
3720 * Calling endpwent() apparently doesn't help. */
3721 pw = getpwnam((char *)dst + 1);
3723 var = (char_u *)pw->pw_dir;
3733 xpc.xp_context = EXPAND_FILES;
3734 var = ExpandOne(&xpc, dst, NULL,
3735 WILD_ADD_SLASH|WILD_SILENT, WILD_EXPAND_FREE);
3739 # else /* !UNIX, thus VMS */
3741 * USER_HOME is a comma-separated list of
3742 * directories to search for the user account in.
3745 char_u test[MAXPATHL], paths[MAXPATHL];
3746 char_u *path, *next_path, *ptr;
3749 STRCPY(paths, USER_HOME);
3753 for (path = next_path; *next_path && *next_path != ',';
3759 STRCAT(test, dst + 1);
3760 if (mch_stat(test, &st) == 0)
3762 var = alloc(STRLEN(test) + 1);
3771 /* cannot expand user's home directory, so don't try */
3773 tail = (char_u *)""; /* for gcc */
3774 #endif /* UNIX || VMS */
3777 #ifdef BACKSLASH_IN_FILENAME
3778 /* If 'shellslash' is set change backslashes to forward slashes.
3779 * Can't use slash_adjust(), p_ssl may be set temporarily. */
3780 if (p_ssl && var != NULL && vim_strchr(var, '\\') != NULL)
3782 char_u *p = vim_strsave(var);
3795 /* If "var" contains white space, escape it with a backslash.
3796 * Required for ":e ~/tt" when $HOME includes a space. */
3797 if (esc && var != NULL && vim_strpbrk(var, (char_u *)" \t") != NULL)
3799 char_u *p = vim_strsave_escaped(var, (char_u *)" \t");
3810 if (var != NULL && *var != NUL
3811 && (STRLEN(var) + STRLEN(tail) + 1 < (unsigned)dstlen))
3814 dstlen -= (int)STRLEN(var);
3815 c = (int)STRLEN(var);
3816 /* if var[] ends in a path separator and tail[] starts
3817 * with it, skip a character */
3818 if (*var != NUL && after_pathsep(dst, dst + c)
3819 #if defined(BACKSLASH_IN_FILENAME) || defined(AMIGA)
3822 && vim_ispathsep(*tail))
3832 if (copy_char) /* copy at least one char */
3835 * Recognize the start of a new name, for '~'.
3836 * Don't do this when "one" is TRUE, to avoid expanding "~" in
3837 * ":edit foo ~ foo".
3840 if (src[0] == '\\' && src[1] != NUL)
3845 else if ((src[0] == ' ' || src[0] == ',') && !one)
3850 if (startstr != NULL && src - startstr_len >= srcp
3851 && STRNCMP(src - startstr_len, startstr, startstr_len) == 0)
3859 * Vim's version of getenv().
3860 * Special handling of $HOME, $VIM and $VIMRUNTIME.
3861 * Also does ACP to 'enc' conversion for Win32.
3864 vim_getenv(name, mustfree)
3866 int *mustfree; /* set to TRUE when returned is allocated */
3872 #if defined(OS2) || defined(MSDOS) || defined(MSWIN)
3873 /* use "C:/" when $HOME is not set */
3874 if (STRCMP(name, "HOME") == 0)
3878 p = mch_getenv(name);
3879 if (p != NULL && *p == NUL) /* empty is the same as not set */
3884 #if defined(FEAT_MBYTE) && defined(WIN3264)
3890 /* Convert from active codepage to UTF-8. Other conversions are
3891 * not done, because they would fail for non-ASCII characters. */
3892 acp_to_enc(p, (int)STRLEN(p), &pp, &len);
3903 vimruntime = (STRCMP(name, "VIMRUNTIME") == 0);
3904 if (!vimruntime && STRCMP(name, "VIM") != 0)
3908 * When expanding $VIMRUNTIME fails, try using $VIM/vim<version> or $VIM.
3909 * Don't do this when default_vimruntime_dir is non-empty.
3913 && *default_vimruntime_dir == NUL
3917 p = mch_getenv((char_u *)"VIM");
3918 if (p != NULL && *p == NUL) /* empty is the same as not set */
3922 p = vim_version_dir(p);
3926 p = mch_getenv((char_u *)"VIM");
3928 #if defined(FEAT_MBYTE) && defined(WIN3264)
3934 /* Convert from active codepage to UTF-8. Other conversions
3935 * are not done, because they would fail for non-ASCII
3937 acp_to_enc(p, (int)STRLEN(p), &pp, &len);
3951 * When expanding $VIM or $VIMRUNTIME fails, try using:
3952 * - the directory name from 'helpfile' (unless it contains '$')
3953 * - the executable name from argv[0]
3957 if (p_hf != NULL && vim_strchr(p_hf, '$') == NULL)
3961 * Use the name of the executable, obtained from argv[0].
3968 /* remove the file name */
3971 /* remove "doc/" from 'helpfile', if present */
3973 pend = remove_tail(p, pend, (char_u *)"doc");
3977 /* remove "MacOS" from exe_name and add "Resources/vim" */
3983 pend1 = remove_tail(p, pend, (char_u *)"MacOS");
3986 pnew = alloc((unsigned)(pend1 - p) + 15);
3989 STRNCPY(pnew, p, (pend1 - p));
3990 STRCPY(pnew + (pend1 - p), "Resources/vim");
3992 pend = p + STRLEN(p);
3997 /* remove "src/" from exe_name, if present */
3999 pend = remove_tail(p, pend, (char_u *)"src");
4002 /* for $VIM, remove "runtime/" or "vim54/", if present */
4005 pend = remove_tail(p, pend, (char_u *)RUNTIME_DIRNAME);
4006 pend = remove_tail(p, pend, (char_u *)VIM_VERSION_NODOT);
4009 /* remove trailing path separator */
4010 #ifndef MACOS_CLASSIC
4011 /* With MacOS path (with colons) the final colon is required */
4012 /* to avoid confusion between absolute and relative path */
4013 if (pend > p && after_pathsep(p, pend))
4018 if (p == exe_name || p == p_hf)
4020 /* check that the result is a directory name */
4021 p = vim_strnsave(p, (int)(pend - p));
4023 if (p != NULL && !mch_isdir(p))
4031 /* may add "/vim54" or "/runtime" if it exists */
4032 if (vimruntime && (pend = vim_version_dir(p)) != NULL)
4044 /* When there is a pathdef.c file we can use default_vim_dir and
4045 * default_vimruntime_dir */
4048 /* Only use default_vimruntime_dir when it is not empty */
4049 if (vimruntime && *default_vimruntime_dir != NUL)
4051 p = default_vimruntime_dir;
4054 else if (*default_vim_dir != NUL)
4056 if (vimruntime && (p = vim_version_dir(default_vim_dir)) != NULL)
4060 p = default_vim_dir;
4068 * Set the environment variable, so that the new value can be found fast
4069 * next time, and others can also use it (e.g. Perl).
4075 vim_setenv((char_u *)"VIMRUNTIME", p);
4076 didset_vimruntime = TRUE;
4079 char_u *buf = concat_str(p, (char_u *)"/lang");
4083 bindtextdomain(VIMPACKAGE, (char *)buf);
4091 vim_setenv((char_u *)"VIM", p);
4099 * Check if the directory "vimdir/<version>" or "vimdir/runtime" exists.
4100 * Return NULL if not, return its name in allocated memory otherwise.
4103 vim_version_dir(vimdir)
4108 if (vimdir == NULL || *vimdir == NUL)
4110 p = concat_fnames(vimdir, (char_u *)VIM_VERSION_NODOT, TRUE);
4111 if (p != NULL && mch_isdir(p))
4114 p = concat_fnames(vimdir, (char_u *)RUNTIME_DIRNAME, TRUE);
4115 if (p != NULL && mch_isdir(p))
4122 * If the string between "p" and "pend" ends in "name/", return "pend" minus
4123 * the length of "name/". Otherwise return "pend".
4126 remove_tail(p, pend, name)
4131 int len = (int)STRLEN(name) + 1;
4132 char_u *newend = pend - len;
4135 && fnamencmp(newend, name, len - 1) == 0
4136 && (newend == p || after_pathsep(p, newend)))
4142 * Our portable version of setenv.
4145 vim_setenv(name, val)
4150 mch_setenv((char *)name, (char *)val, 1);
4155 * Putenv does not copy the string, it has to remain
4156 * valid. The allocated memory will never be freed.
4158 envbuf = alloc((unsigned)(STRLEN(name) + STRLEN(val) + 2));
4161 sprintf((char *)envbuf, "%s=%s", name, val);
4162 putenv((char *)envbuf);
4167 #if defined(FEAT_CMDL_COMPL) || defined(PROTO)
4169 * Function given to ExpandGeneric() to obtain an environment variable name.
4172 get_env_name(xp, idx)
4173 expand_T *xp UNUSED;
4176 # if defined(AMIGA) || defined(__MRC__) || defined(__SC__)
4178 * No environ[] on the Amiga and on the Mac (using MPW).
4183 /* Borland C++ 5.2 has this in a header file. */
4184 extern char **environ;
4186 # define ENVNAMELEN 100
4187 static char_u name[ENVNAMELEN];
4191 str = (char_u *)environ[idx];
4195 for (n = 0; n < ENVNAMELEN - 1; ++n)
4197 if (str[n] == '=' || str[n] == NUL)
4208 * Replace home directory by "~" in each space or comma separated file name in
4210 * If anything fails (except when out of space) dst equals src.
4213 home_replace(buf, src, dst, dstlen, one)
4214 buf_T *buf; /* when not NULL, check for help files */
4215 char_u *src; /* input file name */
4216 char_u *dst; /* where to put the result */
4217 int dstlen; /* maximum length of the result */
4218 int one; /* if TRUE, only replace one file name, include
4219 spaces and commas in the file name. */
4221 size_t dirlen = 0, envlen = 0;
4223 char_u *homedir_env;
4233 * If the file is a help file, remove the path completely.
4235 if (buf != NULL && buf->b_help)
4237 STRCPY(dst, gettail(src));
4242 * We check both the value of the $HOME environment variable and the
4243 * "real" home directory.
4245 if (homedir != NULL)
4246 dirlen = STRLEN(homedir);
4249 homedir_env = mch_getenv((char_u *)"SYS$LOGIN");
4251 homedir_env = mch_getenv((char_u *)"HOME");
4254 if (homedir_env != NULL && *homedir_env == NUL)
4256 if (homedir_env != NULL)
4257 envlen = STRLEN(homedir_env);
4260 src = skipwhite(src);
4261 while (*src && dstlen > 0)
4264 * Here we are at the beginning of a file name.
4265 * First, check to see if the beginning of the file name matches
4266 * $HOME or the "real" home directory. Check that there is a '/'
4267 * after the match (so that if e.g. the file is "/home/pieter/bla",
4268 * and the home directory is "/home/piet", the file does not end up
4269 * as "~er/bla" (which would seem to indicate the file "bla" in user
4270 * er's home directory)).
4277 && fnamencmp(src, p, len) == 0
4278 && (vim_ispathsep(src[len])
4279 || (!one && (src[len] == ',' || src[len] == ' '))
4280 || src[len] == NUL))
4287 * If it's just the home directory, add "/".
4289 if (!vim_ispathsep(src[0]) && --dstlen > 0)
4293 if (p == homedir_env)
4299 /* if (!one) skip to separator: space or comma */
4300 while (*src && (one || (*src != ',' && *src != ' ')) && --dstlen > 0)
4302 /* skip separator */
4303 while ((*src == ' ' || *src == ',') && --dstlen > 0)
4306 /* if (dstlen == 0) out of space, what to do??? */
4312 * Like home_replace, store the replaced string in allocated memory.
4313 * When something fails, NULL is returned.
4316 home_replace_save(buf, src)
4317 buf_T *buf; /* when not NULL, check for help files */
4318 char_u *src; /* input file name */
4323 len = 3; /* space for "~/" and trailing NUL */
4324 if (src != NULL) /* just in case */
4325 len += (unsigned)STRLEN(src);
4328 home_replace(buf, src, dst, len, TRUE);
4333 * Compare two file names and return:
4334 * FPC_SAME if they both exist and are the same file.
4335 * FPC_SAMEX if they both don't exist and have the same file name.
4336 * FPC_DIFF if they both exist and are different files.
4337 * FPC_NOTX if they both don't exist.
4338 * FPC_DIFFX if one of them doesn't exist.
4339 * For the first name environment variables are expanded
4342 fullpathcmp(s1, s2, checkname)
4344 int checkname; /* when both don't exist, check file names */
4347 char_u exp1[MAXPATHL];
4348 char_u full1[MAXPATHL];
4349 char_u full2[MAXPATHL];
4350 struct stat st1, st2;
4353 expand_env(s1, exp1, MAXPATHL);
4354 r1 = mch_stat((char *)exp1, &st1);
4355 r2 = mch_stat((char *)s2, &st2);
4356 if (r1 != 0 && r2 != 0)
4358 /* if mch_stat() doesn't work, may compare the names */
4361 if (fnamecmp(exp1, s2) == 0)
4363 r1 = vim_FullName(exp1, full1, MAXPATHL, FALSE);
4364 r2 = vim_FullName(s2, full2, MAXPATHL, FALSE);
4365 if (r1 == OK && r2 == OK && fnamecmp(full1, full2) == 0)
4370 if (r1 != 0 || r2 != 0)
4372 if (st1.st_dev == st2.st_dev && st1.st_ino == st2.st_ino)
4376 char_u *exp1; /* expanded s1 */
4377 char_u *full1; /* full path of s1 */
4378 char_u *full2; /* full path of s2 */
4379 int retval = FPC_DIFF;
4382 /* allocate one buffer to store three paths (alloc()/free() is slow!) */
4383 if ((exp1 = alloc(MAXPATHL * 3)) != NULL)
4385 full1 = exp1 + MAXPATHL;
4386 full2 = full1 + MAXPATHL;
4388 expand_env(s1, exp1, MAXPATHL);
4389 r1 = vim_FullName(exp1, full1, MAXPATHL, FALSE);
4390 r2 = vim_FullName(s2, full2, MAXPATHL, FALSE);
4392 /* If vim_FullName() fails, the file probably doesn't exist. */
4393 if (r1 != OK && r2 != OK)
4395 if (checkname && fnamecmp(exp1, s2) == 0)
4400 else if (r1 != OK || r2 != OK)
4402 else if (fnamecmp(full1, full2))
4413 * Get the tail of a path: the file name.
4414 * When the path ends in a path separator the tail is the NUL after it.
4415 * Fail safe: never returns NULL.
4424 return (char_u *)"";
4425 for (p1 = p2 = fname; *p2; ) /* find last part of path */
4427 if (vim_ispathsep(*p2))
4434 #if defined(FEAT_SEARCHPATH)
4435 static char_u *gettail_dir __ARGS((char_u *fname));
4438 * Return the end of the directory name, on the first path
4440 * "/path/file", "/path/dir/", "/path//dir", "/file"
4447 char_u *dir_end = fname;
4448 char_u *next_dir_end = fname;
4449 int look_for_sep = TRUE;
4452 for (p = fname; *p != NUL; )
4454 if (vim_ispathsep(*p))
4459 look_for_sep = FALSE;
4465 dir_end = next_dir_end;
4466 look_for_sep = TRUE;
4475 * Get pointer to tail of "fname", including path separators. Putting a NUL
4476 * here leaves the directory name. Takes care of "c:/" and "//".
4477 * Always returns a valid pointer.
4486 p = get_past_head(fname); /* don't remove the '/' from "c:/file" */
4488 while (t > p && after_pathsep(fname, t))
4491 /* path separator is part of the path */
4498 * get the next path component (just after the next path separator).
4504 while (*fname && !vim_ispathsep(*fname))
4512 * Get a pointer to one character past the head of a path name.
4513 * Unix: after "/"; DOS: after "c:\"; Amiga: after "disk:/"; Mac: no head.
4514 * If there is no head, path is returned.
4522 #if defined(MSDOS) || defined(MSWIN) || defined(OS2)
4524 if (isalpha(path[0]) && path[1] == ':')
4530 /* may skip "label:" */
4531 retval = vim_strchr(path, ':');
4539 while (vim_ispathsep(*retval))
4546 * return TRUE if 'c' is a path separator.
4553 return (c == '.' || c == ':');
4556 return (c == '/'); /* UNIX has ':' inside file names */
4558 # ifdef BACKSLASH_IN_FILENAME
4559 return (c == ':' || c == '/' || c == '\\');
4562 /* server"user passwd"::device:[full.path.name]fname.extension;version" */
4563 return (c == ':' || c == '[' || c == ']' || c == '/'
4564 || c == '<' || c == '>' || c == '"' );
4566 return (c == ':' || c == '/');
4570 #endif /* RISC OS */
4573 #if defined(FEAT_SEARCHPATH) || defined(PROTO)
4575 * return TRUE if 'c' is a path list separator.
4578 vim_ispathlistsep(c)
4584 return (c == ';'); /* might not be right for every system... */
4589 #if defined(FEAT_GUI_TABLINE) || defined(FEAT_WINDOWS) \
4590 || defined(FEAT_EVAL) || defined(PROTO)
4592 * Shorten the path of a file from "~/foo/../.bar/fname" to "~/f/../.b/fname"
4593 * It's done in-place.
4599 char_u *tail, *s, *d;
4602 tail = gettail(str);
4604 for (s = str; ; ++s)
4606 if (s >= tail) /* copy the whole tail */
4612 else if (vim_ispathsep(*s)) /* copy '/' and next char */
4619 *d++ = *s; /* copy next char */
4620 if (*s != '~' && *s != '.') /* and leading "~" and "." */
4625 int l = mb_ptr2len(s);
4637 * Return TRUE if the directory of "fname" exists, FALSE otherwise.
4638 * Also returns TRUE if there is no directory name.
4639 * "fname" must be writable!.
4642 dir_of_file_exists(fname)
4649 p = gettail_sep(fname);
4654 retval = mch_isdir(fname);
4659 #if (defined(CASE_INSENSITIVE_FILENAME) && defined(BACKSLASH_IN_FILENAME)) \
4662 * Versions of fnamecmp() and fnamencmp() that handle '/' and '\' equally.
4668 return vim_fnamencmp(x, y, MAXPATHL);
4672 vim_fnamencmp(x, y, len)
4676 while (len > 0 && *x && *y)
4678 if (TOLOWER_LOC(*x) != TOLOWER_LOC(*y)
4679 && !(*x == '/' && *y == '\\')
4680 && !(*x == '\\' && *y == '/'))
4693 * Concatenate file names fname1 and fname2 into allocated memory.
4694 * Only add a '/' or '\\' when 'sep' is TRUE and it is necessary.
4697 concat_fnames(fname1, fname2, sep)
4704 dest = alloc((unsigned)(STRLEN(fname1) + STRLEN(fname2) + 3));
4707 STRCPY(dest, fname1);
4710 STRCAT(dest, fname2);
4716 * Concatenate two strings and return the result in allocated memory.
4717 * Returns NULL when out of memory.
4720 concat_str(str1, str2)
4725 size_t l = STRLEN(str1);
4727 dest = alloc((unsigned)(l + STRLEN(str2) + 1L));
4731 STRCPY(dest + l, str2);
4737 * Add a path separator to a file name, unless it already ends in a path
4744 if (*p != NUL && !after_pathsep(p, p + STRLEN(p)))
4745 STRCAT(p, PATHSEPSTR);
4749 * FullName_save - Make an allocated copy of a full file name.
4750 * Returns NULL when out of memory.
4753 FullName_save(fname, force)
4755 int force; /* force expansion, even when it already looks
4756 like a full path name */
4759 char_u *new_fname = NULL;
4764 buf = alloc((unsigned)MAXPATHL);
4767 if (vim_FullName(fname, buf, MAXPATHL, force) != FAIL)
4768 new_fname = vim_strsave(buf);
4770 new_fname = vim_strsave(fname);
4776 #if defined(FEAT_CINDENT) || defined(FEAT_SYN_HL)
4778 static char_u *skip_string __ARGS((char_u *p));
4781 * Find the start of a comment, not knowing if we are in a comment right now.
4782 * Search starts at w_cursor.lnum and goes backwards.
4785 find_start_comment(ind_maxcomment) /* XXX */
4791 int cur_maxcomment = ind_maxcomment;
4795 pos = findmatchlimit(NULL, '*', FM_BACKWARD, cur_maxcomment);
4800 * Check if the comment start we found is inside a string.
4801 * If it is then restrict the search to below this line and try again.
4803 line = ml_get(pos->lnum);
4804 for (p = line; *p && (colnr_T)(p - line) < pos->col; ++p)
4806 if ((colnr_T)(p - line) <= pos->col)
4808 cur_maxcomment = curwin->w_cursor.lnum - pos->lnum - 1;
4809 if (cur_maxcomment <= 0)
4819 * Skip to the end of a "string" and a 'c' character.
4820 * If there is no string or character, return argument unmodified.
4829 * We loop, because strings may be concatenated: "date""time".
4833 if (p[0] == '\'') /* 'c' or '\n' or '\000' */
4835 if (!p[1]) /* ' at end of line */
4838 if (p[1] == '\\') /* '\n' or '\000' */
4841 while (vim_isdigit(p[i - 1])) /* '\000' */
4844 if (p[i] == '\'') /* check for trailing ' */
4850 else if (p[0] == '"') /* start of string */
4852 for (++p; p[0]; ++p)
4854 if (p[0] == '\\' && p[1] != NUL)
4856 else if (p[0] == '"') /* end of string */
4862 break; /* no string found */
4865 --p; /* backup from NUL */
4868 #endif /* FEAT_CINDENT || FEAT_SYN_HL */
4870 #if defined(FEAT_CINDENT) || defined(PROTO)
4873 * Do C or expression indenting on the current line.
4879 if (*curbuf->b_p_inde != NUL)
4880 fixthisline(get_expr_indent);
4883 fixthisline(get_c_indent);
4887 * Functions for C-indenting.
4888 * Most of this originally comes from Eric Fischer.
4891 * Below "XXX" means that this function may unlock the current line.
4894 static char_u *cin_skipcomment __ARGS((char_u *));
4895 static int cin_nocode __ARGS((char_u *));
4896 static pos_T *find_line_comment __ARGS((void));
4897 static int cin_islabel_skip __ARGS((char_u **));
4898 static int cin_isdefault __ARGS((char_u *));
4899 static char_u *after_label __ARGS((char_u *l));
4900 static int get_indent_nolabel __ARGS((linenr_T lnum));
4901 static int skip_label __ARGS((linenr_T, char_u **pp, int ind_maxcomment));
4902 static int cin_first_id_amount __ARGS((void));
4903 static int cin_get_equal_amount __ARGS((linenr_T lnum));
4904 static int cin_ispreproc __ARGS((char_u *));
4905 static int cin_ispreproc_cont __ARGS((char_u **pp, linenr_T *lnump));
4906 static int cin_iscomment __ARGS((char_u *));
4907 static int cin_islinecomment __ARGS((char_u *));
4908 static int cin_isterminated __ARGS((char_u *, int, int));
4909 static int cin_isinit __ARGS((void));
4910 static int cin_isfuncdecl __ARGS((char_u **, linenr_T));
4911 static int cin_isif __ARGS((char_u *));
4912 static int cin_iselse __ARGS((char_u *));
4913 static int cin_isdo __ARGS((char_u *));
4914 static int cin_iswhileofdo __ARGS((char_u *, linenr_T, int));
4915 static int cin_iswhileofdo_end __ARGS((int terminated, int ind_maxparen, int ind_maxcomment));
4916 static int cin_isbreak __ARGS((char_u *));
4917 static int cin_is_cpp_baseclass __ARGS((colnr_T *col));
4918 static int get_baseclass_amount __ARGS((int col, int ind_maxparen, int ind_maxcomment, int ind_cpp_baseclass));
4919 static int cin_ends_in __ARGS((char_u *, char_u *, char_u *));
4920 static int cin_skip2pos __ARGS((pos_T *trypos));
4921 static pos_T *find_start_brace __ARGS((int));
4922 static pos_T *find_match_paren __ARGS((int, int));
4923 static int corr_ind_maxparen __ARGS((int ind_maxparen, pos_T *startpos));
4924 static int find_last_paren __ARGS((char_u *l, int start, int end));
4925 static int find_match __ARGS((int lookfor, linenr_T ourscope, int ind_maxparen, int ind_maxcomment));
4927 static int ind_hash_comment = 0; /* # starts a comment */
4930 * Skip over white space and C comments within the line.
4931 * Also skip over Perl/shell comments if desired.
4943 /* Perl/shell # comment comment continues until eol. Require a space
4944 * before # to avoid recognizing $#array. */
4945 if (ind_hash_comment != 0 && s != prev_s && *s == '#')
4953 if (*s == '/') /* slash-slash comment continues till eol */
4960 for (++s; *s; ++s) /* skip slash-star comment */
4961 if (s[0] == '*' && s[1] == '/')
4971 * Return TRUE if there there is no code at *s. White space and comments are
4972 * not considered code.
4978 return *cin_skipcomment(s) == NUL;
4982 * Check previous lines for a "//" line comment, skipping over blank lines.
4985 find_line_comment() /* XXX */
4991 pos = curwin->w_cursor;
4992 while (--pos.lnum > 0)
4994 line = ml_get(pos.lnum);
4995 p = skipwhite(line);
4996 if (cin_islinecomment(p))
4998 pos.col = (int)(p - line);
5008 * Check if string matches "label:"; move to character after ':' if true.
5014 if (!vim_isIDc(**s)) /* need at least one ID character */
5017 while (vim_isIDc(**s))
5020 *s = cin_skipcomment(*s);
5022 /* "::" is not a label, it's C++ */
5023 return (**s == ':' && *++*s != ':');
5027 * Recognize a label: "label:".
5028 * Note: curwin->w_cursor must be where we are looking for the label.
5031 cin_islabel(ind_maxcomment) /* XXX */
5036 s = cin_skipcomment(ml_get_curline());
5039 * Exclude "default" from labels, since it should be indented
5040 * like a switch label. Same for C++ scope declarations.
5042 if (cin_isdefault(s))
5044 if (cin_isscopedecl(s))
5047 if (cin_islabel_skip(&s))
5050 * Only accept a label if the previous line is terminated or is a case
5057 cursor_save = curwin->w_cursor;
5058 while (curwin->w_cursor.lnum > 1)
5060 --curwin->w_cursor.lnum;
5063 * If we're in a comment now, skip to the start of the comment.
5065 curwin->w_cursor.col = 0;
5066 if ((trypos = find_start_comment(ind_maxcomment)) != NULL) /* XXX */
5067 curwin->w_cursor = *trypos;
5069 line = ml_get_curline();
5070 if (cin_ispreproc(line)) /* ignore #defines, #if, etc. */
5072 if (*(line = cin_skipcomment(line)) == NUL)
5075 curwin->w_cursor = cursor_save;
5076 if (cin_isterminated(line, TRUE, FALSE)
5077 || cin_isscopedecl(line)
5078 || cin_iscase(line, TRUE)
5079 || (cin_islabel_skip(&line) && cin_nocode(line)))
5083 curwin->w_cursor = cursor_save;
5084 return TRUE; /* label at start of file??? */
5090 * Recognize structure initialization and enumerations.
5091 * Q&D-Implementation:
5092 * check for "=" at end or "[typedef] enum" at beginning of line.
5099 s = cin_skipcomment(ml_get_curline());
5101 if (STRNCMP(s, "typedef", 7) == 0 && !vim_isIDc(s[7]))
5102 s = cin_skipcomment(s + 7);
5104 if (STRNCMP(s, "enum", 4) == 0 && !vim_isIDc(s[4]))
5107 if (cin_ends_in(s, (char_u *)"=", (char_u *)"{"))
5114 * Recognize a switch label: "case .*:" or "default:".
5117 cin_iscase(s, strict)
5119 int strict; /* Allow relaxed check of case statement for JS */
5121 s = cin_skipcomment(s);
5122 if (STRNCMP(s, "case", 4) == 0 && !vim_isIDc(s[4]))
5124 for (s += 4; *s; ++s)
5126 s = cin_skipcomment(s);
5129 if (s[1] == ':') /* skip over "::" for C++ */
5134 if (*s == '\'' && s[1] && s[2] == '\'')
5135 s += 2; /* skip over ':' */
5136 else if (*s == '/' && (s[1] == '*' || s[1] == '/'))
5137 return FALSE; /* stop at comment */
5142 return FALSE; /* stop at string */
5150 if (cin_isdefault(s))
5156 * Recognize a "default" switch label.
5162 return (STRNCMP(s, "default", 7) == 0
5163 && *(s = cin_skipcomment(s + 7)) == ':'
5168 * Recognize a "public/private/protected" scope declaration label.
5176 s = cin_skipcomment(s);
5177 if (STRNCMP(s, "public", 6) == 0)
5179 else if (STRNCMP(s, "protected", 9) == 0)
5181 else if (STRNCMP(s, "private", 7) == 0)
5185 return (*(s = cin_skipcomment(s + i)) == ':' && s[1] != ':');
5189 * Return a pointer to the first non-empty non-comment character after a ':'.
5190 * Return NULL if not found.
5202 if (l[1] == ':') /* skip over "::" for C++ */
5204 else if (!cin_iscase(l + 1, FALSE))
5207 else if (*l == '\'' && l[1] && l[2] == '\'')
5208 l += 2; /* skip over 'x' */
5212 l = cin_skipcomment(l + 1);
5219 * Get indent of line "lnum", skipping a label.
5220 * Return 0 if there is nothing after the label.
5223 get_indent_nolabel(lnum) /* XXX */
5236 fp.col = (colnr_T)(p - l);
5238 getvcol(curwin, &fp, &col, NULL, NULL);
5243 * Find indent for line "lnum", ignoring any case or jump label.
5244 * Also return a pointer to the text (after the label) in "pp".
5245 * label: if (asdf && asdfasdf)
5249 skip_label(lnum, pp, ind_maxcomment)
5258 cursor_save = curwin->w_cursor;
5259 curwin->w_cursor.lnum = lnum;
5260 l = ml_get_curline();
5262 if (cin_iscase(l, FALSE) || cin_isscopedecl(l)
5263 || cin_islabel(ind_maxcomment))
5265 amount = get_indent_nolabel(lnum);
5266 l = after_label(ml_get_curline());
5267 if (l == NULL) /* just in case */
5268 l = ml_get_curline();
5272 amount = get_indent();
5273 l = ml_get_curline();
5277 curwin->w_cursor = cursor_save;
5282 * Return the indent of the first variable name after a type in a declaration.
5283 * int a, indent of "a"
5284 * static struct foo b, indent of "b"
5285 * enum bla c, indent of "c"
5286 * Returns zero when it doesn't look like a declaration.
5289 cin_first_id_amount()
5291 char_u *line, *p, *s;
5296 line = ml_get_curline();
5297 p = skipwhite(line);
5298 len = (int)(skiptowhite(p) - p);
5299 if (len == 6 && STRNCMP(p, "static", 6) == 0)
5301 p = skipwhite(p + 6);
5302 len = (int)(skiptowhite(p) - p);
5304 if (len == 6 && STRNCMP(p, "struct", 6) == 0)
5305 p = skipwhite(p + 6);
5306 else if (len == 4 && STRNCMP(p, "enum", 4) == 0)
5307 p = skipwhite(p + 4);
5308 else if ((len == 8 && STRNCMP(p, "unsigned", 8) == 0)
5309 || (len == 6 && STRNCMP(p, "signed", 6) == 0))
5311 s = skipwhite(p + len);
5312 if ((STRNCMP(s, "int", 3) == 0 && vim_iswhite(s[3]))
5313 || (STRNCMP(s, "long", 4) == 0 && vim_iswhite(s[4]))
5314 || (STRNCMP(s, "short", 5) == 0 && vim_iswhite(s[5]))
5315 || (STRNCMP(s, "char", 4) == 0 && vim_iswhite(s[4])))
5318 for (len = 0; vim_isIDc(p[len]); ++len)
5320 if (len == 0 || !vim_iswhite(p[len]) || cin_nocode(p))
5323 p = skipwhite(p + len);
5324 fp.lnum = curwin->w_cursor.lnum;
5325 fp.col = (colnr_T)(p - line);
5326 getvcol(curwin, &fp, &col, NULL, NULL);
5331 * Return the indent of the first non-blank after an equal sign.
5332 * char *foo = "here";
5333 * Return zero if no (useful) equal sign found.
5334 * Return -1 if the line above "lnum" ends in a backslash.
5340 cin_get_equal_amount(lnum)
5350 line = ml_get(lnum - 1);
5351 if (*line != NUL && line[STRLEN(line) - 1] == '\\')
5355 line = s = ml_get(lnum);
5356 while (*s != NUL && vim_strchr((char_u *)"=;{}\"'", *s) == NULL)
5358 if (cin_iscomment(s)) /* ignore comments */
5359 s = cin_skipcomment(s);
5366 s = skipwhite(s + 1);
5370 if (*s == '"') /* nice alignment for continued strings */
5374 fp.col = (colnr_T)(s - line);
5375 getvcol(curwin, &fp, &col, NULL, NULL);
5380 * Recognize a preprocessor statement: Any line that starts with '#'.
5393 * Return TRUE if line "*pp" at "*lnump" is a preprocessor statement or a
5394 * continuation line of a preprocessor statement. Decrease "*lnump" to the
5395 * start and return the line in "*pp".
5398 cin_ispreproc_cont(pp, lnump)
5403 linenr_T lnum = *lnump;
5408 if (cin_ispreproc(line))
5416 line = ml_get(--lnum);
5417 if (*line == NUL || line[STRLEN(line) - 1] != '\\')
5422 *pp = ml_get(*lnump);
5427 * Recognize the start of a C or C++ comment.
5433 return (p[0] == '/' && (p[1] == '*' || p[1] == '/'));
5437 * Recognize the start of a "//" comment.
5440 cin_islinecomment(p)
5443 return (p[0] == '/' && p[1] == '/');
5447 * Recognize a line that starts with '{' or '}', or ends with ';', '{' or '}'.
5448 * Don't consider "} else" a terminated line.
5449 * Return the character terminating the line (ending char's have precedence if
5450 * both apply in order to determine initializations).
5453 cin_isterminated(s, incl_open, incl_comma)
5455 int incl_open; /* include '{' at the end as terminator */
5456 int incl_comma; /* recognize a trailing comma */
5458 char_u found_start = 0;
5460 s = cin_skipcomment(s);
5462 if (*s == '{' || (*s == '}' && !cin_iselse(s)))
5467 /* skip over comments, "" strings and 'c'haracters */
5468 s = skip_string(cin_skipcomment(s));
5469 if ((*s == ';' || (incl_open && *s == '{') || *s == '}'
5470 || (incl_comma && *s == ','))
5471 && cin_nocode(s + 1))
5481 * Recognize the basic picture of a function declaration -- it needs to
5482 * have an open paren somewhere and a close paren at the end of the line and
5483 * no semicolons anywhere.
5484 * When a line ends in a comma we continue looking in the next line.
5485 * "sp" points to a string with the line. When looking at other lines it must
5486 * be restored to the line. When it's NULL fetch lines here.
5487 * "lnum" is where we start looking.
5490 cin_isfuncdecl(sp, first_lnum)
5492 linenr_T first_lnum;
5495 linenr_T lnum = first_lnum;
5503 while (*s && *s != '(' && *s != ';' && *s != '\'' && *s != '"')
5505 if (cin_iscomment(s)) /* ignore comments */
5506 s = cin_skipcomment(s);
5511 return FALSE; /* ';', ' or " before any () or no '(' */
5513 while (*s && *s != ';' && *s != '\'' && *s != '"')
5515 if (*s == ')' && cin_nocode(s + 1))
5517 /* ')' at the end: may have found a match
5518 * Check for he previous line not to end in a backslash:
5519 * #if defined(x) && \
5522 lnum = first_lnum - 1;
5524 if (*s == NUL || s[STRLEN(s) - 1] != '\\')
5528 if (*s == ',' && cin_nocode(s + 1))
5530 /* ',' at the end: continue looking in the next line */
5531 if (lnum >= curbuf->b_ml.ml_line_count)
5536 else if (cin_iscomment(s)) /* ignore comments */
5537 s = cin_skipcomment(s);
5543 if (lnum != first_lnum && sp != NULL)
5544 *sp = ml_get(first_lnum);
5553 return (STRNCMP(p, "if", 2) == 0 && !vim_isIDc(p[2]));
5560 if (*p == '}') /* accept "} else" */
5561 p = cin_skipcomment(p + 1);
5562 return (STRNCMP(p, "else", 4) == 0 && !vim_isIDc(p[4]));
5569 return (STRNCMP(p, "do", 2) == 0 && !vim_isIDc(p[2]));
5573 * Check if this is a "while" that should have a matching "do".
5574 * We only accept a "while (condition) ;", with only white space between the
5575 * ')' and ';'. The condition may be spread over several lines.
5578 cin_iswhileofdo(p, lnum, ind_maxparen) /* XXX */
5587 p = cin_skipcomment(p);
5588 if (*p == '}') /* accept "} while (cond);" */
5589 p = cin_skipcomment(p + 1);
5590 if (STRNCMP(p, "while", 5) == 0 && !vim_isIDc(p[5]))
5592 cursor_save = curwin->w_cursor;
5593 curwin->w_cursor.lnum = lnum;
5594 curwin->w_cursor.col = 0;
5595 p = ml_get_curline();
5596 while (*p && *p != 'w') /* skip any '}', until the 'w' of the "while" */
5599 ++curwin->w_cursor.col;
5601 if ((trypos = findmatchlimit(NULL, 0, 0, ind_maxparen)) != NULL
5602 && *cin_skipcomment(ml_get_pos(trypos) + 1) == ';')
5604 curwin->w_cursor = cursor_save;
5610 * Return TRUE if we are at the end of a do-while.
5615 * Adjust the cursor to the line with "while".
5618 cin_iswhileofdo_end(terminated, ind_maxparen, ind_maxcomment)
5629 if (terminated != ';') /* there must be a ';' at the end */
5632 p = line = ml_get_curline();
5635 p = cin_skipcomment(p);
5638 s = skipwhite(p + 1);
5639 if (*s == ';' && cin_nocode(s + 1))
5641 /* Found ");" at end of the line, now check there is "while"
5642 * before the matching '('. XXX */
5643 i = (int)(p - line);
5644 curwin->w_cursor.col = i;
5645 trypos = find_match_paren(ind_maxparen, ind_maxcomment);
5648 s = cin_skipcomment(ml_get(trypos->lnum));
5649 if (*s == '}') /* accept "} while (cond);" */
5650 s = cin_skipcomment(s + 1);
5651 if (STRNCMP(s, "while", 5) == 0 && !vim_isIDc(s[5]))
5653 curwin->w_cursor.lnum = trypos->lnum;
5658 /* Searching may have made "line" invalid, get it again. */
5659 line = ml_get_curline();
5673 return (STRNCMP(p, "break", 5) == 0 && !vim_isIDc(p[5]));
5677 * Find the position of a C++ base-class declaration or
5678 * constructor-initialization. eg:
5681 * baseClass <-- here
5682 * class MyClass : public baseClass,
5683 * anotherBaseClass <-- here (should probably lineup ??)
5684 * MyClass::MyClass(...) :
5685 * baseClass(...) <-- here (constructor-initialization)
5687 * This is a lot of guessing. Watch out for "cond ? func() : foo".
5690 cin_is_cpp_baseclass(col)
5691 colnr_T *col; /* return: column to align with */
5694 int class_or_struct, lookfor_ctor_init, cpp_base_class;
5695 linenr_T lnum = curwin->w_cursor.lnum;
5696 char_u *line = ml_get_curline();
5700 s = skipwhite(line);
5701 if (*s == '#') /* skip #define FOO x ? (x) : x */
5703 s = cin_skipcomment(s);
5707 cpp_base_class = lookfor_ctor_init = class_or_struct = FALSE;
5709 /* Search for a line starting with '#', empty, ending in ';' or containing
5710 * '{' or '}' and start below it. This handles the following situations:
5717 * Foo::Foo (int one, int two)
5724 line = ml_get(lnum - 1);
5725 s = skipwhite(line);
5726 if (*s == '#' || *s == NUL)
5730 s = cin_skipcomment(s);
5731 if (*s == '{' || *s == '}'
5732 || (*s == ';' && cin_nocode(s + 1)))
5742 line = ml_get(lnum);
5743 s = cin_skipcomment(line);
5748 if (lnum == curwin->w_cursor.lnum)
5750 /* Continue in the cursor line. */
5751 line = ml_get(++lnum);
5752 s = cin_skipcomment(line);
5761 /* skip double colon. It can't be a constructor
5762 * initialization any more */
5763 lookfor_ctor_init = FALSE;
5764 s = cin_skipcomment(s + 2);
5766 else if (lookfor_ctor_init || class_or_struct)
5768 /* we have something found, that looks like the start of
5769 * cpp-base-class-declaration or constructor-initialization */
5770 cpp_base_class = TRUE;
5771 lookfor_ctor_init = class_or_struct = FALSE;
5773 s = cin_skipcomment(s + 1);
5776 s = cin_skipcomment(s + 1);
5778 else if ((STRNCMP(s, "class", 5) == 0 && !vim_isIDc(s[5]))
5779 || (STRNCMP(s, "struct", 6) == 0 && !vim_isIDc(s[6])))
5781 class_or_struct = TRUE;
5782 lookfor_ctor_init = FALSE;
5785 s = cin_skipcomment(s + 5);
5787 s = cin_skipcomment(s + 6);
5791 if (s[0] == '{' || s[0] == '}' || s[0] == ';')
5793 cpp_base_class = lookfor_ctor_init = class_or_struct = FALSE;
5795 else if (s[0] == ')')
5797 /* Constructor-initialization is assumed if we come across
5798 * something like "):" */
5799 class_or_struct = FALSE;
5800 lookfor_ctor_init = TRUE;
5802 else if (s[0] == '?')
5804 /* Avoid seeing '() :' after '?' as constructor init. */
5807 else if (!vim_isIDc(s[0]))
5809 /* if it is not an identifier, we are wrong */
5810 class_or_struct = FALSE;
5811 lookfor_ctor_init = FALSE;
5815 /* it can't be a constructor-initialization any more */
5816 lookfor_ctor_init = FALSE;
5818 /* the first statement starts here: lineup with this one... */
5820 *col = (colnr_T)(s - line);
5823 /* When the line ends in a comma don't align with it. */
5824 if (lnum == curwin->w_cursor.lnum && *s == ',' && cin_nocode(s + 1))
5827 s = cin_skipcomment(s + 1);
5831 return cpp_base_class;
5835 get_baseclass_amount(col, ind_maxparen, ind_maxcomment, ind_cpp_baseclass)
5839 int ind_cpp_baseclass;
5847 amount = get_indent();
5848 if (find_last_paren(ml_get_curline(), '(', ')')
5849 && (trypos = find_match_paren(ind_maxparen,
5850 ind_maxcomment)) != NULL)
5851 amount = get_indent_lnum(trypos->lnum); /* XXX */
5852 if (!cin_ends_in(ml_get_curline(), (char_u *)",", NULL))
5853 amount += ind_cpp_baseclass;
5857 curwin->w_cursor.col = col;
5858 getvcol(curwin, &curwin->w_cursor, &vcol, NULL, NULL);
5861 if (amount < ind_cpp_baseclass)
5862 amount = ind_cpp_baseclass;
5867 * Return TRUE if string "s" ends with the string "find", possibly followed by
5868 * white space and comments. Skip strings and comments.
5869 * Ignore "ignore" after "find" if it's not NULL.
5872 cin_ends_in(s, find, ignore)
5879 int len = (int)STRLEN(find);
5883 p = cin_skipcomment(p);
5884 if (STRNCMP(p, find, len) == 0)
5886 r = skipwhite(p + len);
5887 if (ignore != NULL && STRNCMP(r, ignore, STRLEN(ignore)) == 0)
5888 r = skipwhite(r + STRLEN(ignore));
5899 * Skip strings, chars and comments until at or past "trypos".
5900 * Return the column found.
5903 cin_skip2pos(trypos)
5909 p = line = ml_get(trypos->lnum);
5910 while (*p && (colnr_T)(p - line) < trypos->col)
5912 if (cin_iscomment(p))
5913 p = cin_skipcomment(p);
5920 return (int)(p - line);
5924 * Find the '{' at the start of the block we are in.
5925 * Return NULL if no match found.
5926 * Ignore a '{' that is in a comment, makes indenting the next three lines
5933 find_start_brace(ind_maxcomment) /* XXX */
5939 static pos_T pos_copy;
5941 cursor_save = curwin->w_cursor;
5942 while ((trypos = findmatchlimit(NULL, '{', FM_BLOCKSTOP, 0)) != NULL)
5944 pos_copy = *trypos; /* copy pos_T, next findmatch will change it */
5946 curwin->w_cursor = *trypos;
5948 /* ignore the { if it's in a // or / * * / comment */
5949 if ((colnr_T)cin_skip2pos(trypos) == trypos->col
5950 && (pos = find_start_comment(ind_maxcomment)) == NULL) /* XXX */
5953 curwin->w_cursor.lnum = pos->lnum;
5955 curwin->w_cursor = cursor_save;
5960 * Find the matching '(', failing if it is in a comment.
5961 * Return NULL of no match found.
5964 find_match_paren(ind_maxparen, ind_maxcomment) /* XXX */
5970 static pos_T pos_copy;
5972 cursor_save = curwin->w_cursor;
5973 if ((trypos = findmatchlimit(NULL, '(', 0, ind_maxparen)) != NULL)
5975 /* check if the ( is in a // comment */
5976 if ((colnr_T)cin_skip2pos(trypos) > trypos->col)
5980 pos_copy = *trypos; /* copy trypos, findmatch will change it */
5982 curwin->w_cursor = *trypos;
5983 if (find_start_comment(ind_maxcomment) != NULL) /* XXX */
5987 curwin->w_cursor = cursor_save;
5992 * Return ind_maxparen corrected for the difference in line number between the
5993 * cursor position and "startpos". This makes sure that searching for a
5994 * matching paren above the cursor line doesn't find a match because of
5995 * looking a few lines further.
5998 corr_ind_maxparen(ind_maxparen, startpos)
6002 long n = (long)startpos->lnum - (long)curwin->w_cursor.lnum;
6004 if (n > 0 && n < ind_maxparen / 2)
6005 return ind_maxparen - (int)n;
6006 return ind_maxparen;
6010 * Set w_cursor.col to the column number of the last unmatched ')' or '{' in
6014 find_last_paren(l, start, end)
6022 curwin->w_cursor.col = 0; /* default is start of line */
6024 for (i = 0; l[i]; i++)
6026 i = (int)(cin_skipcomment(l + i) - l); /* ignore parens in comments */
6027 i = (int)(skip_string(l + i) - l); /* ignore parens in quotes */
6030 else if (l[i] == end)
6036 curwin->w_cursor.col = i;
6048 * spaces from a block's opening brace the prevailing indent for that
6051 int ind_level = curbuf->b_p_sw;
6054 * spaces from the edge of the line an open brace that's at the end of a
6055 * line is imagined to be.
6057 int ind_open_imag = 0;
6060 * spaces from the prevailing indent for a line that is not preceded by
6063 int ind_no_brace = 0;
6066 * column where the first { of a function should be located }
6068 int ind_first_open = 0;
6071 * spaces from the prevailing indent a leftmost open brace should be
6074 int ind_open_extra = 0;
6077 * spaces from the matching open brace (real location for one at the left
6078 * edge; imaginary location from one that ends a line) the matching close
6079 * brace should be located
6081 int ind_close_extra = 0;
6084 * spaces from the edge of the line an open brace sitting in the leftmost
6085 * column is imagined to be
6087 int ind_open_left_imag = 0;
6090 * Spaces jump labels should be shifted to the left if N is non-negative,
6091 * otherwise the jump label will be put to column 1.
6093 int ind_jump_label = -1;
6096 * spaces from the switch() indent a "case xx" label should be located
6098 int ind_case = curbuf->b_p_sw;
6101 * spaces from the "case xx:" code after a switch() should be located
6103 int ind_case_code = curbuf->b_p_sw;
6106 * lineup break at end of case in switch() with case label
6108 int ind_case_break = 0;
6111 * spaces from the class declaration indent a scope declaration label
6114 int ind_scopedecl = curbuf->b_p_sw;
6117 * spaces from the scope declaration label code should be located
6119 int ind_scopedecl_code = curbuf->b_p_sw;
6122 * amount K&R-style parameters should be indented
6124 int ind_param = curbuf->b_p_sw;
6127 * amount a function type spec should be indented
6129 int ind_func_type = curbuf->b_p_sw;
6132 * amount a cpp base class declaration or constructor initialization
6133 * should be indented
6135 int ind_cpp_baseclass = curbuf->b_p_sw;
6138 * additional spaces beyond the prevailing indent a continuation line
6141 int ind_continuation = curbuf->b_p_sw;
6144 * spaces from the indent of the line with an unclosed parentheses
6146 int ind_unclosed = curbuf->b_p_sw * 2;
6149 * spaces from the indent of the line with an unclosed parentheses, which
6150 * itself is also unclosed
6152 int ind_unclosed2 = curbuf->b_p_sw;
6155 * suppress ignoring spaces from the indent of a line starting with an
6156 * unclosed parentheses.
6158 int ind_unclosed_noignore = 0;
6161 * If the opening paren is the last nonwhite character on the line, and
6162 * ind_unclosed_wrapped is nonzero, use this indent relative to the outer
6163 * context (for very long lines).
6165 int ind_unclosed_wrapped = 0;
6168 * suppress ignoring white space when lining up with the character after
6169 * an unclosed parentheses.
6171 int ind_unclosed_whiteok = 0;
6174 * indent a closing parentheses under the line start of the matching
6175 * opening parentheses.
6177 int ind_matching_paren = 0;
6180 * indent a closing parentheses under the previous line.
6182 int ind_paren_prev = 0;
6185 * Extra indent for comments.
6187 int ind_comment = 0;
6190 * spaces from the comment opener when there is nothing after it.
6192 int ind_in_comment = 3;
6195 * boolean: if non-zero, use ind_in_comment even if there is something
6196 * after the comment opener.
6198 int ind_in_comment2 = 0;
6201 * max lines to search for an open paren
6203 int ind_maxparen = 20;
6206 * max lines to search for an open comment
6208 int ind_maxcomment = 70;
6211 * handle braces for java code
6216 * not to confuse JS object properties with labels
6221 * handle blocked cases correctly
6223 int ind_keep_case_label = 0;
6228 int cur_amount = MAXCOL;
6233 pos_T *tryposBrace = NULL;
6234 pos_T our_paren_pos;
6237 #define BRACE_IN_COL0 1 /* '{' is in column 0 */
6238 #define BRACE_AT_START 2 /* '{' is at start of line */
6239 #define BRACE_AT_END 3 /* '{' is at end of line */
6245 #define LOOKFOR_INITIAL 0
6246 #define LOOKFOR_IF 1
6247 #define LOOKFOR_DO 2
6248 #define LOOKFOR_CASE 3
6249 #define LOOKFOR_ANY 4
6250 #define LOOKFOR_TERM 5
6251 #define LOOKFOR_UNTERM 6
6252 #define LOOKFOR_SCOPEDECL 7
6253 #define LOOKFOR_NOBREAK 8
6254 #define LOOKFOR_CPP_BASECLASS 9
6255 #define LOOKFOR_ENUM_OR_INIT 10
6260 int fraction = 0; /* init for GCC */
6265 int cont_amount = 0; /* amount for continuation line */
6266 int original_line_islabel;
6268 for (options = curbuf->b_p_cino; *options; )
6271 if (*options == '-')
6273 n = getdigits(&options);
6275 if (*options == '.') /* ".5s" means a fraction */
6277 fraction = atol((char *)++options);
6278 while (VIM_ISDIGIT(*options))
6287 if (*options == 's') /* "2s" means two times 'shiftwidth' */
6289 if (n == 0 && fraction == 0)
6290 n = curbuf->b_p_sw; /* just "s" is one 'shiftwidth' */
6293 n *= curbuf->b_p_sw;
6295 n += (curbuf->b_p_sw * fraction + divider / 2) / divider;
6301 /* When adding an entry here, also update the default 'cinoptions' in
6302 * doc/indent.txt, and add explanation for it! */
6305 case '>': ind_level = n; break;
6306 case 'e': ind_open_imag = n; break;
6307 case 'n': ind_no_brace = n; break;
6308 case 'f': ind_first_open = n; break;
6309 case '{': ind_open_extra = n; break;
6310 case '}': ind_close_extra = n; break;
6311 case '^': ind_open_left_imag = n; break;
6312 case 'L': ind_jump_label = n; break;
6313 case ':': ind_case = n; break;
6314 case '=': ind_case_code = n; break;
6315 case 'b': ind_case_break = n; break;
6316 case 'p': ind_param = n; break;
6317 case 't': ind_func_type = n; break;
6318 case '/': ind_comment = n; break;
6319 case 'c': ind_in_comment = n; break;
6320 case 'C': ind_in_comment2 = n; break;
6321 case 'i': ind_cpp_baseclass = n; break;
6322 case '+': ind_continuation = n; break;
6323 case '(': ind_unclosed = n; break;
6324 case 'u': ind_unclosed2 = n; break;
6325 case 'U': ind_unclosed_noignore = n; break;
6326 case 'W': ind_unclosed_wrapped = n; break;
6327 case 'w': ind_unclosed_whiteok = n; break;
6328 case 'm': ind_matching_paren = n; break;
6329 case 'M': ind_paren_prev = n; break;
6330 case ')': ind_maxparen = n; break;
6331 case '*': ind_maxcomment = n; break;
6332 case 'g': ind_scopedecl = n; break;
6333 case 'h': ind_scopedecl_code = n; break;
6334 case 'j': ind_java = n; break;
6335 case 'J': ind_js = n; break;
6336 case 'l': ind_keep_case_label = n; break;
6337 case '#': ind_hash_comment = n; break;
6339 if (*options == ',')
6343 /* remember where the cursor was when we started */
6344 cur_curpos = curwin->w_cursor;
6346 /* if we are at line 1 0 is fine, right? */
6347 if (cur_curpos.lnum == 1)
6350 /* Get a copy of the current contents of the line.
6351 * This is required, because only the most recent line obtained with
6352 * ml_get is valid! */
6353 linecopy = vim_strsave(ml_get(cur_curpos.lnum));
6354 if (linecopy == NULL)
6358 * In insert mode and the cursor is on a ')' truncate the line at the
6359 * cursor position. We don't want to line up with the matching '(' when
6360 * inserting new stuff.
6361 * For unknown reasons the cursor might be past the end of the line, thus
6364 if ((State & INSERT)
6365 && curwin->w_cursor.col < (colnr_T)STRLEN(linecopy)
6366 && linecopy[curwin->w_cursor.col] == ')')
6367 linecopy[curwin->w_cursor.col] = NUL;
6369 theline = skipwhite(linecopy);
6371 /* move the cursor to the start of the line */
6373 curwin->w_cursor.col = 0;
6375 original_line_islabel = cin_islabel(ind_maxcomment); /* XXX */
6378 * #defines and so on always go at the left when included in 'cinkeys'.
6380 if (*theline == '#' && (*linecopy == '#' || in_cinkeys('#', ' ', TRUE)))
6386 * Is it a non-case label? Then that goes at the left margin too unless:
6388 * - 'L' item has a positive value.
6390 else if (original_line_islabel && !ind_js && ind_jump_label < 0)
6396 * If we're inside a "//" comment and there is a "//" comment in a
6397 * previous line, lineup with that one.
6399 else if (cin_islinecomment(theline)
6400 && (trypos = find_line_comment()) != NULL) /* XXX */
6402 /* find how indented the line beginning the comment is */
6403 getvcol(curwin, trypos, &col, NULL, NULL);
6408 * If we're inside a comment and not looking at the start of the
6409 * comment, try using the 'comments' option.
6411 else if (!cin_iscomment(theline)
6412 && (trypos = find_start_comment(ind_maxcomment)) != NULL) /* XXX */
6414 int lead_start_len = 2;
6415 int lead_middle_len = 1;
6416 char_u lead_start[COM_MAX_LEN]; /* start-comment string */
6417 char_u lead_middle[COM_MAX_LEN]; /* middle-comment string */
6418 char_u lead_end[COM_MAX_LEN]; /* end-comment string */
6420 int start_align = 0;
6424 /* find how indented the line beginning the comment is */
6425 getvcol(curwin, trypos, &col, NULL, NULL);
6428 p = curbuf->b_p_com;
6435 while (*p != NUL && *p != ':')
6437 if (*p == COM_START || *p == COM_END || *p == COM_MIDDLE)
6439 else if (*p == COM_LEFT || *p == COM_RIGHT)
6441 else if (VIM_ISDIGIT(*p) || *p == '-')
6442 off = getdigits(&p);
6449 (void)copy_option_part(&p, lead_end, COM_MAX_LEN, ",");
6450 if (what == COM_START)
6452 STRCPY(lead_start, lead_end);
6453 lead_start_len = (int)STRLEN(lead_start);
6455 start_align = align;
6457 else if (what == COM_MIDDLE)
6459 STRCPY(lead_middle, lead_end);
6460 lead_middle_len = (int)STRLEN(lead_middle);
6462 else if (what == COM_END)
6464 /* If our line starts with the middle comment string, line it
6465 * up with the comment opener per the 'comments' option. */
6466 if (STRNCMP(theline, lead_middle, lead_middle_len) == 0
6467 && STRNCMP(theline, lead_end, STRLEN(lead_end)) != 0)
6470 if (curwin->w_cursor.lnum > 1)
6472 /* If the start comment string matches in the previous
6473 * line, use the indent of that line plus offset. If
6474 * the middle comment string matches in the previous
6475 * line, use the indent of that line. XXX */
6476 look = skipwhite(ml_get(curwin->w_cursor.lnum - 1));
6477 if (STRNCMP(look, lead_start, lead_start_len) == 0)
6478 amount = get_indent_lnum(curwin->w_cursor.lnum - 1);
6479 else if (STRNCMP(look, lead_middle,
6480 lead_middle_len) == 0)
6482 amount = get_indent_lnum(curwin->w_cursor.lnum - 1);
6485 /* If the start comment string doesn't match with the
6486 * start of the comment, skip this entry. XXX */
6487 else if (STRNCMP(ml_get(trypos->lnum) + trypos->col,
6488 lead_start, lead_start_len) != 0)
6492 amount += start_off;
6493 else if (start_align == COM_RIGHT)
6494 amount += vim_strsize(lead_start)
6495 - vim_strsize(lead_middle);
6499 /* If our line starts with the end comment string, line it up
6500 * with the middle comment */
6501 if (STRNCMP(theline, lead_middle, lead_middle_len) != 0
6502 && STRNCMP(theline, lead_end, STRLEN(lead_end)) == 0)
6504 amount = get_indent_lnum(curwin->w_cursor.lnum - 1);
6508 else if (align == COM_RIGHT)
6509 amount += vim_strsize(lead_start)
6510 - vim_strsize(lead_middle);
6517 /* If our line starts with an asterisk, line up with the
6518 * asterisk in the comment opener; otherwise, line up
6519 * with the first character of the comment text.
6523 else if (theline[0] == '*')
6528 * If we are more than one line away from the comment opener, take
6529 * the indent of the previous non-empty line. If 'cino' has "CO"
6530 * and we are just below the comment opener and there are any
6531 * white characters after it line up with the text after it;
6532 * otherwise, add the amount specified by "c" in 'cino'
6535 for (lnum = cur_curpos.lnum - 1; lnum > trypos->lnum; --lnum)
6537 if (linewhite(lnum)) /* skip blank lines */
6539 amount = get_indent_lnum(lnum); /* XXX */
6542 if (amount == -1) /* use the comment opener */
6544 if (!ind_in_comment2)
6546 start = ml_get(trypos->lnum);
6547 look = start + trypos->col + 2; /* skip / and * */
6548 if (*look != NUL) /* if something after it */
6549 trypos->col = (colnr_T)(skipwhite(look) - start);
6551 getvcol(curwin, trypos, &col, NULL, NULL);
6553 if (ind_in_comment2 || *look == NUL)
6554 amount += ind_in_comment;
6560 * Are we inside parentheses or braces?
6562 else if (((trypos = find_match_paren(ind_maxparen, ind_maxcomment)) != NULL
6564 || (tryposBrace = find_start_brace(ind_maxcomment)) != NULL
6567 if (trypos != NULL && tryposBrace != NULL)
6569 /* Both an unmatched '(' and '{' is found. Use the one which is
6570 * closer to the current cursor position, set the other to NULL. */
6571 if (trypos->lnum != tryposBrace->lnum
6572 ? trypos->lnum < tryposBrace->lnum
6573 : trypos->col < tryposBrace->col)
6582 * If the matching paren is more than one line away, use the indent of
6583 * a previous non-empty line that matches the same paren.
6585 if (theline[0] == ')' && ind_paren_prev)
6587 /* Line up with the start of the matching paren line. */
6588 amount = get_indent_lnum(curwin->w_cursor.lnum - 1); /* XXX */
6593 our_paren_pos = *trypos;
6594 for (lnum = cur_curpos.lnum - 1; lnum > our_paren_pos.lnum; --lnum)
6596 l = skipwhite(ml_get(lnum));
6597 if (cin_nocode(l)) /* skip comment lines */
6599 if (cin_ispreproc_cont(&l, &lnum))
6600 continue; /* ignore #define, #if, etc. */
6601 curwin->w_cursor.lnum = lnum;
6603 /* Skip a comment. XXX */
6604 if ((trypos = find_start_comment(ind_maxcomment)) != NULL)
6606 lnum = trypos->lnum + 1;
6611 if ((trypos = find_match_paren(
6612 corr_ind_maxparen(ind_maxparen, &cur_curpos),
6613 ind_maxcomment)) != NULL
6614 && trypos->lnum == our_paren_pos.lnum
6615 && trypos->col == our_paren_pos.col)
6617 amount = get_indent_lnum(lnum); /* XXX */
6619 if (theline[0] == ')')
6621 if (our_paren_pos.lnum != lnum
6622 && cur_amount > amount)
6623 cur_amount = amount;
6632 * Line up with line where the matching paren is. XXX
6633 * If the line starts with a '(' or the indent for unclosed
6634 * parentheses is zero, line up with the unclosed parentheses.
6638 int ignore_paren_col = 0;
6640 amount = skip_label(our_paren_pos.lnum, &look, ind_maxcomment);
6641 look = skipwhite(look);
6644 linenr_T save_lnum = curwin->w_cursor.lnum;
6648 /* Ignore a '(' in front of the line that has a match before
6649 * our matching '('. */
6650 curwin->w_cursor.lnum = our_paren_pos.lnum;
6651 line = ml_get_curline();
6652 look_col = (int)(look - line);
6653 curwin->w_cursor.col = look_col + 1;
6654 if ((trypos = findmatchlimit(NULL, ')', 0, ind_maxparen))
6656 && trypos->lnum == our_paren_pos.lnum
6657 && trypos->col < our_paren_pos.col)
6658 ignore_paren_col = trypos->col + 1;
6660 curwin->w_cursor.lnum = save_lnum;
6661 look = ml_get(our_paren_pos.lnum) + look_col;
6663 if (theline[0] == ')' || ind_unclosed == 0
6664 || (!ind_unclosed_noignore && *look == '('
6665 && ignore_paren_col == 0))
6668 * If we're looking at a close paren, line up right there;
6669 * otherwise, line up with the next (non-white) character.
6670 * When ind_unclosed_wrapped is set and the matching paren is
6671 * the last nonwhite character of the line, use either the
6672 * indent of the current line or the indentation of the next
6673 * outer paren and add ind_unclosed_wrapped (for very long
6676 if (theline[0] != ')')
6678 cur_amount = MAXCOL;
6679 l = ml_get(our_paren_pos.lnum);
6680 if (ind_unclosed_wrapped
6681 && cin_ends_in(l, (char_u *)"(", NULL))
6683 /* look for opening unmatched paren, indent one level
6684 * for each additional level */
6686 for (col = 0; col < our_paren_pos.col; ++col)
6695 case '}': if (n > 1)
6701 our_paren_pos.col = 0;
6702 amount += n * ind_unclosed_wrapped;
6704 else if (ind_unclosed_whiteok)
6705 our_paren_pos.col++;
6708 col = our_paren_pos.col + 1;
6709 while (vim_iswhite(l[col]))
6711 if (l[col] != NUL) /* In case of trailing space */
6712 our_paren_pos.col = col;
6714 our_paren_pos.col++;
6719 * Find how indented the paren is, or the character after it
6720 * if we did the above "if".
6722 if (our_paren_pos.col > 0)
6724 getvcol(curwin, &our_paren_pos, &col, NULL, NULL);
6725 if (cur_amount > (int)col)
6730 if (theline[0] == ')' && ind_matching_paren)
6732 /* Line up with the start of the matching paren line. */
6734 else if (ind_unclosed == 0 || (!ind_unclosed_noignore
6735 && *look == '(' && ignore_paren_col == 0))
6737 if (cur_amount != MAXCOL)
6738 amount = cur_amount;
6742 /* Add ind_unclosed2 for each '(' before our matching one, but
6743 * ignore (void) before the line (ignore_paren_col). */
6744 col = our_paren_pos.col;
6745 while ((int)our_paren_pos.col > ignore_paren_col)
6747 --our_paren_pos.col;
6748 switch (*ml_get_pos(&our_paren_pos))
6750 case '(': amount += ind_unclosed2;
6751 col = our_paren_pos.col;
6753 case ')': amount -= ind_unclosed2;
6759 /* Use ind_unclosed once, when the first '(' is not inside
6762 amount += ind_unclosed;
6765 curwin->w_cursor.lnum = our_paren_pos.lnum;
6766 curwin->w_cursor.col = col;
6767 if ((trypos = find_match_paren(ind_maxparen,
6768 ind_maxcomment)) != NULL)
6769 amount += ind_unclosed2;
6771 amount += ind_unclosed;
6774 * For a line starting with ')' use the minimum of the two
6775 * positions, to avoid giving it more indent than the previous
6777 * func_long_name( if (x
6779 * ) ^ not here ) ^ not here
6781 if (cur_amount < amount)
6782 amount = cur_amount;
6786 /* add extra indent for a comment */
6787 if (cin_iscomment(theline))
6788 amount += ind_comment;
6792 * Are we at least inside braces, then?
6796 trypos = tryposBrace;
6798 ourscope = trypos->lnum;
6799 start = ml_get(ourscope);
6802 * Now figure out how indented the line is in general.
6803 * If the brace was at the start of the line, we use that;
6804 * otherwise, check out the indentation of the line as
6805 * a whole and then add the "imaginary indent" to that.
6807 look = skipwhite(start);
6810 getvcol(curwin, trypos, &col, NULL, NULL);
6813 start_brace = BRACE_IN_COL0;
6815 start_brace = BRACE_AT_START;
6820 * that opening brace might have been on a continuation
6821 * line. if so, find the start of the line.
6823 curwin->w_cursor.lnum = ourscope;
6826 * position the cursor over the rightmost paren, so that
6827 * matching it will take us back to the start of the line.
6830 if (find_last_paren(start, '(', ')')
6831 && (trypos = find_match_paren(ind_maxparen,
6832 ind_maxcomment)) != NULL)
6833 lnum = trypos->lnum;
6836 * It could have been something like
6837 * case 1: if (asdf &&
6841 if ((ind_keep_case_label
6842 && cin_iscase(skipwhite(ml_get_curline()), FALSE)))
6843 amount = get_indent();
6845 amount = skip_label(lnum, &l, ind_maxcomment);
6847 start_brace = BRACE_AT_END;
6851 * if we're looking at a closing brace, that's where
6852 * we want to be. otherwise, add the amount of room
6853 * that an indent is supposed to be.
6855 if (theline[0] == '}')
6858 * they may want closing braces to line up with something
6859 * other than the open brace. indulge them, if so.
6861 amount += ind_close_extra;
6866 * If we're looking at an "else", try to find an "if"
6868 * If we're looking at a "while", try to find a "do"
6871 lookfor = LOOKFOR_INITIAL;
6872 if (cin_iselse(theline))
6873 lookfor = LOOKFOR_IF;
6874 else if (cin_iswhileofdo(theline, cur_curpos.lnum, ind_maxparen))
6876 lookfor = LOOKFOR_DO;
6877 if (lookfor != LOOKFOR_INITIAL)
6879 curwin->w_cursor.lnum = cur_curpos.lnum;
6880 if (find_match(lookfor, ourscope, ind_maxparen,
6881 ind_maxcomment) == OK)
6883 amount = get_indent(); /* XXX */
6889 * We get here if we are not on an "while-of-do" or "else" (or
6890 * failed to find a matching "if").
6891 * Search backwards for something to line up with.
6892 * First set amount for when we don't find anything.
6896 * if the '{' is _really_ at the left margin, use the imaginary
6897 * location of a left-margin brace. Otherwise, correct the
6898 * location for ind_open_extra.
6901 if (start_brace == BRACE_IN_COL0) /* '{' is in column 0 */
6903 amount = ind_open_left_imag;
6907 if (start_brace == BRACE_AT_END) /* '{' is at end of line */
6908 amount += ind_open_imag;
6911 /* Compensate for adding ind_open_extra later. */
6912 amount -= ind_open_extra;
6918 lookfor_break = FALSE;
6920 if (cin_iscase(theline, FALSE)) /* it's a switch() label */
6922 lookfor = LOOKFOR_CASE; /* find a previous switch() label */
6925 else if (cin_isscopedecl(theline)) /* private:, ... */
6927 lookfor = LOOKFOR_SCOPEDECL; /* class decl is this block */
6928 amount += ind_scopedecl;
6932 if (ind_case_break && cin_isbreak(theline)) /* break; ... */
6933 lookfor_break = TRUE;
6935 lookfor = LOOKFOR_INITIAL;
6936 amount += ind_level; /* ind_level from start of block */
6938 scope_amount = amount;
6942 * Search backwards. If we find something we recognize, line up
6945 * if we're looking at an open brace, indent
6946 * the usual amount relative to the conditional
6947 * that opens the block.
6949 curwin->w_cursor = cur_curpos;
6952 curwin->w_cursor.lnum--;
6953 curwin->w_cursor.col = 0;
6956 * If we went all the way back to the start of our scope, line
6959 if (curwin->w_cursor.lnum <= ourscope)
6961 /* we reached end of scope:
6962 * if looking for a enum or structure initialization
6964 * if it is an initializer (enum xxx or xxx =), then
6965 * don't add ind_continuation, otherwise it is a variable
6968 * here; <-- add ind_continuation
6970 if (lookfor == LOOKFOR_ENUM_OR_INIT)
6972 if (curwin->w_cursor.lnum == 0
6973 || curwin->w_cursor.lnum
6974 < ourscope - ind_maxparen)
6976 /* nothing found (abuse ind_maxparen as limit)
6977 * assume terminated line (i.e. a variable
6978 * initialization) */
6979 if (cont_amount > 0)
6980 amount = cont_amount;
6982 amount += ind_continuation;
6986 l = ml_get_curline();
6989 * If we're in a comment now, skip to the start of the
6992 trypos = find_start_comment(ind_maxcomment);
6995 curwin->w_cursor.lnum = trypos->lnum + 1;
6996 curwin->w_cursor.col = 0;
7001 * Skip preprocessor directives and blank lines.
7003 if (cin_ispreproc_cont(&l, &curwin->w_cursor.lnum))
7009 terminated = cin_isterminated(l, FALSE, TRUE);
7012 * If we are at top level and the line looks like a
7013 * function declaration, we are done
7014 * (it's a variable declaration).
7016 if (start_brace != BRACE_IN_COL0
7017 || !cin_isfuncdecl(&l, curwin->w_cursor.lnum))
7019 /* if the line is terminated with another ','
7020 * it is a continued variable initialization.
7021 * don't add extra indent.
7022 * TODO: does not work, if a function
7023 * declaration is split over multiple lines:
7024 * cin_isfuncdecl returns FALSE then.
7026 if (terminated == ',')
7029 /* if it es a enum declaration or an assignment,
7032 if (terminated != ';' && cin_isinit())
7035 /* nothing useful found */
7036 if (terminated == 0 || terminated == '{')
7040 if (terminated != ';')
7042 /* Skip parens and braces. Position the cursor
7043 * over the rightmost paren, so that matching it
7044 * will take us back to the start of the line.
7047 if (find_last_paren(l, '(', ')'))
7048 trypos = find_match_paren(ind_maxparen,
7051 if (trypos == NULL && find_last_paren(l, '{', '}'))
7052 trypos = find_start_brace(ind_maxcomment);
7056 curwin->w_cursor.lnum = trypos->lnum + 1;
7057 curwin->w_cursor.col = 0;
7062 /* it's a variable declaration, add indentation
7067 if (cont_amount > 0)
7068 amount = cont_amount;
7070 amount += ind_continuation;
7072 else if (lookfor == LOOKFOR_UNTERM)
7074 if (cont_amount > 0)
7075 amount = cont_amount;
7077 amount += ind_continuation;
7079 else if (lookfor != LOOKFOR_TERM
7080 && lookfor != LOOKFOR_CPP_BASECLASS)
7082 amount = scope_amount;
7083 if (theline[0] == '{')
7084 amount += ind_open_extra;
7090 * If we're in a comment now, skip to the start of the comment.
7092 if ((trypos = find_start_comment(ind_maxcomment)) != NULL)
7094 curwin->w_cursor.lnum = trypos->lnum + 1;
7095 curwin->w_cursor.col = 0;
7099 l = ml_get_curline();
7102 * If this is a switch() label, may line up relative to that.
7103 * If this is a C++ scope declaration, do the same.
7105 iscase = cin_iscase(l, FALSE);
7106 if (iscase || cin_isscopedecl(l))
7108 /* we are only looking for cpp base class
7109 * declaration/initialization any longer */
7110 if (lookfor == LOOKFOR_CPP_BASECLASS)
7113 /* When looking for a "do" we are not interested in
7120 * c = 99 + <- this indent plus continuation
7123 if (lookfor == LOOKFOR_UNTERM
7124 || lookfor == LOOKFOR_ENUM_OR_INIT)
7126 if (cont_amount > 0)
7127 amount = cont_amount;
7129 amount += ind_continuation;
7134 * case xx: <- line up with this case
7138 if ( (iscase && lookfor == LOOKFOR_CASE)
7139 || (iscase && lookfor_break)
7140 || (!iscase && lookfor == LOOKFOR_SCOPEDECL))
7143 * Check that this case label is not for another
7146 if ((trypos = find_start_brace(ind_maxcomment)) ==
7147 NULL || trypos->lnum == ourscope)
7149 amount = get_indent(); /* XXX */
7155 n = get_indent_nolabel(curwin->w_cursor.lnum); /* XXX */
7158 * case xx: if (cond) <- line up with this if
7163 * if (cond) <- line up with this line
7167 if (lookfor == LOOKFOR_TERM)
7177 * case xx: x = x + 1; <- line up with this x
7180 * case xx: if (cond) <- line up with this if
7186 l = after_label(ml_get_curline());
7187 if (l != NULL && cin_is_cinword(l))
7189 if (theline[0] == '{')
7190 amount += ind_open_extra;
7192 amount += ind_level + ind_no_brace;
7198 * Try to get the indent of a statement before the switch
7199 * label. If nothing is found, line up relative to the
7201 * break; <- may line up with this line
7205 scope_amount = get_indent() + (iscase /* XXX */
7206 ? ind_case_code : ind_scopedecl_code);
7207 lookfor = ind_case_break ? LOOKFOR_NOBREAK : LOOKFOR_ANY;
7212 * Looking for a switch() label or C++ scope declaration,
7213 * ignore other lines, skip {}-blocks.
7215 if (lookfor == LOOKFOR_CASE || lookfor == LOOKFOR_SCOPEDECL)
7217 if (find_last_paren(l, '{', '}') && (trypos =
7218 find_start_brace(ind_maxcomment)) != NULL)
7220 curwin->w_cursor.lnum = trypos->lnum + 1;
7221 curwin->w_cursor.col = 0;
7227 * Ignore jump labels with nothing after them.
7229 if (!ind_js && cin_islabel(ind_maxcomment))
7231 l = after_label(ml_get_curline());
7232 if (l == NULL || cin_nocode(l))
7237 * Ignore #defines, #if, etc.
7238 * Ignore comment and empty lines.
7239 * (need to get the line again, cin_islabel() may have
7242 l = ml_get_curline();
7243 if (cin_ispreproc_cont(&l, &curwin->w_cursor.lnum)
7248 * Are we at the start of a cpp base class declaration or
7249 * constructor initialization?
7252 if (lookfor != LOOKFOR_TERM && ind_cpp_baseclass > 0)
7254 n = cin_is_cpp_baseclass(&col);
7255 l = ml_get_curline();
7259 if (lookfor == LOOKFOR_UNTERM)
7261 if (cont_amount > 0)
7262 amount = cont_amount;
7264 amount += ind_continuation;
7266 else if (theline[0] == '{')
7268 /* Need to find start of the declaration. */
7269 lookfor = LOOKFOR_UNTERM;
7270 ind_continuation = 0;
7275 amount = get_baseclass_amount(col, ind_maxparen,
7276 ind_maxcomment, ind_cpp_baseclass);
7279 else if (lookfor == LOOKFOR_CPP_BASECLASS)
7281 /* only look, whether there is a cpp base class
7282 * declaration or initialization before the opening brace.
7284 if (cin_isterminated(l, TRUE, FALSE))
7291 * What happens next depends on the line being terminated.
7292 * If terminated with a ',' only consider it terminating if
7293 * there is another unterminated statement behind, eg:
7297 * Otherwise check whether it is a enumeration or structure
7298 * initialisation (not indented) or a variable declaration
7301 terminated = cin_isterminated(l, FALSE, TRUE);
7303 if (terminated == 0 || (lookfor != LOOKFOR_UNTERM
7304 && terminated == ','))
7307 * if we're in the middle of a paren thing,
7308 * go back to the line that starts it so
7309 * we can get the right prevailing indent
7314 * position the cursor over the rightmost paren, so that
7315 * matching it will take us back to the start of the line.
7317 (void)find_last_paren(l, '(', ')');
7318 trypos = find_match_paren(
7319 corr_ind_maxparen(ind_maxparen, &cur_curpos),
7323 * If we are looking for ',', we also look for matching
7326 if (trypos == NULL && terminated == ','
7327 && find_last_paren(l, '{', '}'))
7328 trypos = find_start_brace(ind_maxcomment);
7333 * Check if we are on a case label now. This is
7335 * case xx: if ( asdf &&
7338 curwin->w_cursor = *trypos;
7339 l = ml_get_curline();
7340 if (cin_iscase(l, FALSE) || cin_isscopedecl(l))
7342 ++curwin->w_cursor.lnum;
7343 curwin->w_cursor.col = 0;
7349 * Skip over continuation lines to find the one to get the
7351 * char *usethis = "bla\
7355 if (terminated == ',')
7357 while (curwin->w_cursor.lnum > 1)
7359 l = ml_get(curwin->w_cursor.lnum - 1);
7360 if (*l == NUL || l[STRLEN(l) - 1] != '\\')
7362 --curwin->w_cursor.lnum;
7363 curwin->w_cursor.col = 0;
7368 * Get indent and pointer to text for current line,
7369 * ignoring any jump label. XXX
7372 cur_amount = skip_label(curwin->w_cursor.lnum,
7373 &l, ind_maxcomment);
7375 cur_amount = get_indent();
7377 * If this is just above the line we are indenting, and it
7378 * starts with a '{', line it up with this line.
7383 if (terminated != ',' && lookfor != LOOKFOR_TERM
7384 && theline[0] == '{')
7386 amount = cur_amount;
7388 * Only add ind_open_extra when the current line
7389 * doesn't start with a '{', which must have a match
7390 * in the same line (scope is the same). Probably:
7394 if (*skipwhite(l) != '{')
7395 amount += ind_open_extra;
7397 if (ind_cpp_baseclass)
7399 /* have to look back, whether it is a cpp base
7400 * class declaration or initialization */
7401 lookfor = LOOKFOR_CPP_BASECLASS;
7408 * Check if we are after an "if", "while", etc.
7409 * Also allow " } else".
7411 if (cin_is_cinword(l) || cin_iselse(skipwhite(l)))
7414 * Found an unterminated line after an if (), line up
7415 * with the last one.
7420 if (lookfor == LOOKFOR_UNTERM
7421 || lookfor == LOOKFOR_ENUM_OR_INIT)
7423 if (cont_amount > 0)
7424 amount = cont_amount;
7426 amount += ind_continuation;
7431 * If this is just above the line we are indenting, we
7435 * Otherwise this indent can be used when the line
7436 * before this is terminated.
7443 amount = cur_amount;
7444 if (theline[0] == '{')
7445 amount += ind_open_extra;
7446 if (lookfor != LOOKFOR_TERM)
7448 amount += ind_level + ind_no_brace;
7453 * Special trick: when expecting the while () after a
7454 * do, line up with the while()
7459 l = skipwhite(ml_get_curline());
7462 if (whilelevel == 0)
7468 * When searching for a terminated line, don't use the
7469 * one between the "if" and the "else".
7470 * Need to use the scope of this "else". XXX
7471 * If whilelevel != 0 continue looking for a "do {".
7475 && ((trypos = find_start_brace(ind_maxcomment))
7477 || find_match(LOOKFOR_IF, trypos->lnum,
7478 ind_maxparen, ind_maxcomment) == FAIL))
7483 * If we're below an unterminated line that is not an
7484 * "if" or something, we may line up with this line or
7485 * add something for a continuation line, depending on
7486 * the line before this one.
7491 * Found two unterminated lines on a row, line up with
7497 if (lookfor == LOOKFOR_UNTERM)
7499 /* When line ends in a comma add extra indent */
7500 if (terminated == ',')
7501 amount += ind_continuation;
7505 if (lookfor == LOOKFOR_ENUM_OR_INIT)
7507 /* Found two lines ending in ',', lineup with the
7508 * lowest one, but check for cpp base class
7509 * declaration/initialization, if it is an
7510 * opening brace or we are looking just for
7511 * enumerations/initializations. */
7512 if (terminated == ',')
7514 if (ind_cpp_baseclass == 0)
7517 lookfor = LOOKFOR_CPP_BASECLASS;
7521 /* Ignore unterminated lines in between, but
7523 if (amount > cur_amount)
7524 amount = cur_amount;
7529 * Found first unterminated line on a row, may
7530 * line up with this line, remember its indent
7534 amount = cur_amount;
7537 * If previous line ends in ',', check whether we
7538 * are in an initialization or enum
7543 * or a normal possible continuation line.
7544 * but only, of no other statement has been found
7547 if (lookfor == LOOKFOR_INITIAL && terminated == ',')
7549 lookfor = LOOKFOR_ENUM_OR_INIT;
7550 cont_amount = cin_first_id_amount();
7554 if (lookfor == LOOKFOR_INITIAL
7556 && l[STRLEN(l) - 1] == '\\')
7558 cont_amount = cin_get_equal_amount(
7559 curwin->w_cursor.lnum);
7560 if (lookfor != LOOKFOR_TERM)
7561 lookfor = LOOKFOR_UNTERM;
7568 * Check if we are after a while (cond);
7569 * If so: Ignore until the matching "do".
7572 else if (cin_iswhileofdo_end(terminated, ind_maxparen,
7576 * Found an unterminated line after a while ();, line up
7577 * with the last one.
7579 * 100 + <- line up with this one
7582 if (lookfor == LOOKFOR_UNTERM
7583 || lookfor == LOOKFOR_ENUM_OR_INIT)
7585 if (cont_amount > 0)
7586 amount = cont_amount;
7588 amount += ind_continuation;
7592 if (whilelevel == 0)
7594 lookfor = LOOKFOR_TERM;
7595 amount = get_indent(); /* XXX */
7596 if (theline[0] == '{')
7597 amount += ind_open_extra;
7603 * We are after a "normal" statement.
7604 * If we had another statement we can stop now and use the
7605 * indent of that other statement.
7606 * Otherwise the indent of the current statement may be used,
7607 * search backwards for the next "normal" statement.
7612 * Skip single break line, if before a switch label. It
7613 * may be lined up with the case label.
7615 if (lookfor == LOOKFOR_NOBREAK
7616 && cin_isbreak(skipwhite(ml_get_curline())))
7618 lookfor = LOOKFOR_ANY;
7623 * Handle "do {" line.
7627 l = cin_skipcomment(ml_get_curline());
7630 amount = get_indent(); /* XXX */
7637 * Found a terminated line above an unterminated line. Add
7638 * the amount for a continuation line.
7647 if (lookfor == LOOKFOR_UNTERM
7648 || lookfor == LOOKFOR_ENUM_OR_INIT)
7650 if (cont_amount > 0)
7651 amount = cont_amount;
7653 amount += ind_continuation;
7658 * Found a terminated line above a terminated line or "if"
7659 * etc. line. Use the amount of the line below us.
7662 * while (asdf) ->here;
7666 if (lookfor == LOOKFOR_TERM)
7668 if (!lookfor_break && whilelevel == 0)
7673 * First line above the one we're indenting is terminated.
7674 * To know what needs to be done look further backward for
7675 * a terminated line.
7680 * position the cursor over the rightmost paren, so
7681 * that matching it will take us back to the start of
7682 * the line. Helps for:
7688 l = ml_get_curline();
7689 if (find_last_paren(l, '(', ')')
7690 && (trypos = find_match_paren(ind_maxparen,
7691 ind_maxcomment)) != NULL)
7694 * Check if we are on a case label now. This is
7696 * case xx: if ( asdf &&
7699 curwin->w_cursor = *trypos;
7700 l = ml_get_curline();
7701 if (cin_iscase(l, FALSE) || cin_isscopedecl(l))
7703 ++curwin->w_cursor.lnum;
7704 curwin->w_cursor.col = 0;
7709 /* When aligning with the case statement, don't align
7710 * with a statement after it.
7711 * case 1: { <-- don't use this { position
7718 iscase = (ind_keep_case_label && cin_iscase(l, FALSE));
7721 * Get indent and pointer to text for current line,
7722 * ignoring any jump label.
7724 amount = skip_label(curwin->w_cursor.lnum,
7725 &l, ind_maxcomment);
7727 if (theline[0] == '{')
7728 amount += ind_open_extra;
7729 /* See remark above: "Only add ind_open_extra.." */
7732 amount -= ind_open_extra;
7733 lookfor = iscase ? LOOKFOR_ANY : LOOKFOR_TERM;
7736 * When a terminated line starts with "else" skip to
7737 * the matching "if":
7740 * Need to use the scope of this "else". XXX
7741 * If whilelevel != 0 continue looking for a "do {".
7743 if (lookfor == LOOKFOR_TERM
7748 if ((trypos = find_start_brace(ind_maxcomment))
7750 || find_match(LOOKFOR_IF, trypos->lnum,
7751 ind_maxparen, ind_maxcomment) == FAIL)
7757 * If we're at the end of a block, skip to the start of
7760 curwin->w_cursor.col = 0;
7761 if (*cin_skipcomment(l) == '}'
7762 && (trypos = find_start_brace(ind_maxcomment))
7765 curwin->w_cursor = *trypos;
7766 /* if not "else {" check for terminated again */
7767 /* but skip block for "} else {" */
7768 l = cin_skipcomment(ml_get_curline());
7769 if (*l == '}' || !cin_iselse(l))
7771 ++curwin->w_cursor.lnum;
7772 curwin->w_cursor.col = 0;
7780 /* add extra indent for a comment */
7781 if (cin_iscomment(theline))
7782 amount += ind_comment;
7784 /* subtract extra left-shift for jump labels */
7785 if (ind_jump_label > 0 && original_line_islabel)
7786 amount -= ind_jump_label;
7790 * ok -- we're not inside any sort of structure at all!
7792 * this means we're at the top level, and everything should
7793 * basically just match where the previous line is, except
7794 * for the lines immediately following a function declaration,
7795 * which are K&R-style parameters and need to be indented.
7800 * if our line starts with an open brace, forget about any
7801 * prevailing indent and make sure it looks like the start
7805 if (theline[0] == '{')
7807 amount = ind_first_open;
7811 * If the NEXT line is a function declaration, the current
7812 * line needs to be indented as a function type spec.
7813 * Don't do this if the current line looks like a comment or if the
7814 * current line is terminated, ie. ends in ';', or if the current line
7815 * contains { or }: "void f() {\n if (1)"
7817 else if (cur_curpos.lnum < curbuf->b_ml.ml_line_count
7818 && !cin_nocode(theline)
7819 && vim_strchr(theline, '{') == NULL
7820 && vim_strchr(theline, '}') == NULL
7821 && !cin_ends_in(theline, (char_u *)":", NULL)
7822 && !cin_ends_in(theline, (char_u *)",", NULL)
7823 && cin_isfuncdecl(NULL, cur_curpos.lnum + 1)
7824 && !cin_isterminated(theline, FALSE, TRUE))
7826 amount = ind_func_type;
7831 curwin->w_cursor = cur_curpos;
7833 /* search backwards until we find something we recognize */
7835 while (curwin->w_cursor.lnum > 1)
7837 curwin->w_cursor.lnum--;
7838 curwin->w_cursor.col = 0;
7840 l = ml_get_curline();
7843 * If we're in a comment now, skip to the start of the comment.
7845 if ((trypos = find_start_comment(ind_maxcomment)) != NULL)
7847 curwin->w_cursor.lnum = trypos->lnum + 1;
7848 curwin->w_cursor.col = 0;
7853 * Are we at the start of a cpp base class declaration or
7854 * constructor initialization?
7857 if (ind_cpp_baseclass != 0 && theline[0] != '{')
7859 n = cin_is_cpp_baseclass(&col);
7860 l = ml_get_curline();
7865 amount = get_baseclass_amount(col, ind_maxparen,
7866 ind_maxcomment, ind_cpp_baseclass);
7871 * Skip preprocessor directives and blank lines.
7873 if (cin_ispreproc_cont(&l, &curwin->w_cursor.lnum))
7880 * If the previous line ends in ',', use one level of
7884 * do this before checking for '}' in case of eg.
7892 if (cin_ends_in(l, (char_u *)",", NULL)
7893 || (*l != NUL && (n = l[STRLEN(l) - 1]) == '\\'))
7895 /* take us back to opening paren */
7896 if (find_last_paren(l, '(', ')')
7897 && (trypos = find_match_paren(ind_maxparen,
7898 ind_maxcomment)) != NULL)
7899 curwin->w_cursor = *trypos;
7901 /* For a line ending in ',' that is a continuation line go
7902 * back to the first line with a backslash:
7907 while (n == 0 && curwin->w_cursor.lnum > 1)
7909 l = ml_get(curwin->w_cursor.lnum - 1);
7910 if (*l == NUL || l[STRLEN(l) - 1] != '\\')
7912 --curwin->w_cursor.lnum;
7913 curwin->w_cursor.col = 0;
7916 amount = get_indent(); /* XXX */
7919 amount = cin_first_id_amount();
7921 amount = ind_continuation;
7926 * If the line looks like a function declaration, and we're
7927 * not in a comment, put it the left margin.
7929 if (cin_isfuncdecl(NULL, cur_curpos.lnum)) /* XXX */
7931 l = ml_get_curline();
7934 * Finding the closing '}' of a previous function. Put
7935 * current line at the left margin. For when 'cino' has "fs".
7937 if (*skipwhite(l) == '}')
7941 * If the previous line ends on '};' (maybe followed by
7942 * comments) align at column 0. For example:
7943 * char *string_array[] = { "foo",
7944 * / * x * / "b};ar" }; / * foobar * /
7946 if (cin_ends_in(l, (char_u *)"};", NULL))
7950 * If the PREVIOUS line is a function declaration, the current
7951 * line (and the ones that follow) needs to be indented as
7954 if (cin_isfuncdecl(&l, curwin->w_cursor.lnum))
7961 * If the previous line ends in ';' and the line before the
7962 * previous line ends in ',' or '\', ident to column zero:
7967 if (cin_ends_in(l, (char_u *)";", NULL))
7969 l = ml_get(curwin->w_cursor.lnum - 1);
7970 if (cin_ends_in(l, (char_u *)",", NULL)
7971 || (*l != NUL && l[STRLEN(l) - 1] == '\\'))
7973 l = ml_get_curline();
7977 * Doesn't look like anything interesting -- so just
7978 * use the indent of this line.
7980 * Position the cursor over the rightmost paren, so that
7981 * matching it will take us back to the start of the line.
7983 find_last_paren(l, '(', ')');
7985 if ((trypos = find_match_paren(ind_maxparen,
7986 ind_maxcomment)) != NULL)
7987 curwin->w_cursor = *trypos;
7988 amount = get_indent(); /* XXX */
7992 /* add extra indent for a comment */
7993 if (cin_iscomment(theline))
7994 amount += ind_comment;
7996 /* add extra indent if the previous line ended in a backslash:
7999 * char *foo = "asdf\
8002 if (cur_curpos.lnum > 1)
8004 l = ml_get(cur_curpos.lnum - 1);
8005 if (*l != NUL && l[STRLEN(l) - 1] == '\\')
8007 cur_amount = cin_get_equal_amount(cur_curpos.lnum - 1);
8009 amount = cur_amount;
8010 else if (cur_amount == 0)
8011 amount += ind_continuation;
8018 /* put the cursor back where it belongs */
8019 curwin->w_cursor = cur_curpos;
8029 find_match(lookfor, ourscope, ind_maxparen, ind_maxcomment)
8041 if (lookfor == LOOKFOR_IF)
8052 curwin->w_cursor.col = 0;
8054 while (curwin->w_cursor.lnum > ourscope + 1)
8056 curwin->w_cursor.lnum--;
8057 curwin->w_cursor.col = 0;
8059 look = cin_skipcomment(ml_get_curline());
8060 if (cin_iselse(look)
8062 || cin_isdo(look) /* XXX */
8063 || cin_iswhileofdo(look, curwin->w_cursor.lnum, ind_maxparen))
8066 * if we've gone outside the braces entirely,
8067 * we must be out of scope...
8069 theirscope = find_start_brace(ind_maxcomment); /* XXX */
8070 if (theirscope == NULL)
8074 * and if the brace enclosing this is further
8075 * back than the one enclosing the else, we're
8078 if (theirscope->lnum < ourscope)
8082 * and if they're enclosed in a *deeper* brace,
8083 * then we can ignore it because it's in a
8084 * different scope...
8086 if (theirscope->lnum > ourscope)
8090 * if it was an "else" (that's not an "else if")
8091 * then we need to go back to another if, so
8092 * increment elselevel
8094 look = cin_skipcomment(ml_get_curline());
8095 if (cin_iselse(look))
8097 mightbeif = cin_skipcomment(look + 4);
8098 if (!cin_isif(mightbeif))
8104 * if it was a "while" then we need to go back to
8105 * another "do", so increment whilelevel. XXX
8107 if (cin_iswhileofdo(look, curwin->w_cursor.lnum, ind_maxparen))
8113 /* If it's an "if" decrement elselevel */
8114 look = cin_skipcomment(ml_get_curline());
8119 * When looking for an "if" ignore "while"s that
8122 if (elselevel == 0 && lookfor == LOOKFOR_IF)
8126 /* If it's a "do" decrement whilelevel */
8131 * if we've used up all the elses, then
8132 * this must be the if that we want!
8133 * match the indent level of that if.
8135 if (elselevel <= 0 && whilelevel <= 0)
8144 # if defined(FEAT_EVAL) || defined(PROTO)
8146 * Get indent level from 'indentexpr'.
8154 int use_sandbox = was_set_insecurely((char_u *)"indentexpr",
8157 pos = curwin->w_cursor;
8158 set_vim_var_nr(VV_LNUM, curwin->w_cursor.lnum);
8162 indent = eval_to_number(curbuf->b_p_inde);
8167 /* Restore the cursor position so that 'indentexpr' doesn't need to.
8168 * Pretend to be in Insert mode, allow cursor past end of line for "o"
8172 curwin->w_cursor = pos;
8176 /* If there is an error, just keep the current indent. */
8178 indent = get_indent();
8184 #endif /* FEAT_CINDENT */
8186 #if defined(FEAT_LISP) || defined(PROTO)
8188 static int lisp_match __ARGS((char_u *p));
8196 char_u *word = p_lispwords;
8198 while (*word != NUL)
8200 (void)copy_option_part(&word, buf, LSIZE, ",");
8201 len = (int)STRLEN(buf);
8202 if (STRNCMP(buf, p, len) == 0 && p[len] == ' ')
8209 * When 'p' is present in 'cpoptions, a Vi compatible method is used.
8210 * The incompatible newer method is quite a bit better at indenting
8211 * code in lisp-like languages than the traditional one; it's still
8212 * mostly heuristics however -- Dirk van Deun, dirk@rave.org
8215 * Findmatch() should be adapted for lisp, also to make showmatch
8216 * work correctly: now (v5.3) it seems all C/C++ oriented:
8217 * - it does not recognize the #\( and #\) notations as character literals
8218 * - it doesn't know about comments starting with a semicolon
8219 * - it incorrectly interprets '(' as a character literal
8220 * All this messes up get_lisp_indent in some rare cases.
8221 * Update from Sergey Khorev:
8222 * I tried to fix the first two issues.
8227 pos_T *pos, realpos, paren;
8232 int parencount, quotecount;
8235 /* Set vi_lisp to use the vi-compatible method */
8236 vi_lisp = (vim_strchr(p_cpo, CPO_LISP) != NULL);
8238 realpos = curwin->w_cursor;
8239 curwin->w_cursor.col = 0;
8241 if ((pos = findmatch(NULL, '(')) == NULL)
8242 pos = findmatch(NULL, '[');
8246 pos = findmatch(NULL, '[');
8247 if (pos == NULL || ltp(pos, &paren))
8252 /* Extra trick: Take the indent of the first previous non-white
8253 * line that is at the same () level. */
8257 while (--curwin->w_cursor.lnum >= pos->lnum)
8259 if (linewhite(curwin->w_cursor.lnum))
8261 for (that = ml_get_curline(); *that != NUL; ++that)
8265 while (*(that + 1) != NUL)
8271 if (*(that + 1) != NUL)
8275 if (*that == '"' && *(that + 1) != NUL)
8277 while (*++that && *that != '"')
8279 /* skipping escaped characters in the string */
8292 if (*that == '(' || *that == '[')
8294 else if (*that == ')' || *that == ']')
8297 if (parencount == 0)
8299 amount = get_indent();
8306 curwin->w_cursor.lnum = pos->lnum;
8307 curwin->w_cursor.col = pos->col;
8310 that = ml_get_curline();
8312 if (vi_lisp && get_indent() == 0)
8317 while (*that && col)
8319 amount += lbr_chartabsize_adv(&that, (colnr_T)amount);
8324 * Some keywords require "body" indenting rules (the
8325 * non-standard-lisp ones are Scheme special forms):
8327 * (let ((a 1)) instead (let ((a 1))
8331 if (!vi_lisp && (*that == '(' || *that == '[')
8332 && lisp_match(that + 1))
8340 while (vim_iswhite(*that))
8342 amount += lbr_chartabsize(that, (colnr_T)amount);
8346 if (*that && *that != ';') /* not a comment line */
8348 /* test *that != '(' to accommodate first let/do
8349 * argument if it is more than one line */
8350 if (!vi_lisp && *that != '(' && *that != '[')
8360 && (*that < '0' || *that > '9')))
8363 && (!vim_iswhite(*that)
8366 && (!((*that == '(' || *that == '[')
8372 quotecount = !quotecount;
8373 if ((*that == '(' || *that == '[')
8376 if ((*that == ')' || *that == ']')
8379 if (*that == '\\' && *(that+1) != NUL)
8380 amount += lbr_chartabsize_adv(&that,
8382 amount += lbr_chartabsize_adv(&that,
8386 while (vim_iswhite(*that))
8388 amount += lbr_chartabsize(that, (colnr_T)amount);
8391 if (!*that || *that == ';')
8399 amount = 0; /* no matching '(' or '[' found, use zero indent */
8401 curwin->w_cursor = realpos;
8405 #endif /* FEAT_LISP */
8410 #if defined(SIGHUP) && defined(SIG_IGN)
8411 /* Ignore SIGHUP, because a dropped connection causes a read error, which
8412 * makes Vim exit and then handling SIGHUP causes various reentrance
8414 signal(SIGHUP, SIG_IGN);
8421 out_trash(); /* trash any pending output */
8426 windgoto((int)Rows - 1, 0);
8429 * Switch terminal mode back now, so messages end up on the "normal"
8430 * screen (if there are two screens).
8432 settmode(TMODE_COOK);
8434 if (can_end_termcap_mode(FALSE) == TRUE)
8442 * Preserve files and exit.
8443 * When called IObuff must contain a message.
8452 /* Setting this will prevent free() calls. That avoids calling free()
8453 * recursively when free() was invoked with a bad pointer. */
8454 really_exiting = TRUE;
8457 screen_start(); /* don't know where cursor is now */
8460 ml_close_notmod(); /* close all not-modified buffers */
8462 for (buf = firstbuf; buf != NULL; buf = buf->b_next)
8464 if (buf->b_ml.ml_mfp != NULL && buf->b_ml.ml_mfp->mf_fname != NULL)
8466 OUT_STR(_("Vim: preserving files...\n"));
8467 screen_start(); /* don't know where cursor is now */
8469 ml_sync_all(FALSE, FALSE); /* preserve all swap files */
8474 ml_close_all(FALSE); /* close all memfiles, without deleting */
8476 OUT_STR(_("Vim: Finished.\n"));
8482 * return TRUE if "fname" exists.
8490 if (mch_stat((char *)fname, &st))
8496 * Check for CTRL-C pressed, but only once in a while.
8497 * Should be used instead of ui_breakcheck() for functions that check for
8498 * each line in the file. Calling ui_breakcheck() each time takes too much
8499 * time, because it can be a system call.
8502 #ifndef BREAKCHECK_SKIP
8503 # ifdef FEAT_GUI /* assume the GUI only runs on fast computers */
8504 # define BREAKCHECK_SKIP 200
8506 # define BREAKCHECK_SKIP 32
8510 static int breakcheck_count = 0;
8515 if (++breakcheck_count >= BREAKCHECK_SKIP)
8517 breakcheck_count = 0;
8523 * Like line_breakcheck() but check 10 times less often.
8528 if (++breakcheck_count >= BREAKCHECK_SKIP * 10)
8530 breakcheck_count = 0;
8536 * Invoke expand_wildcards() for one pattern.
8537 * Expand items like "%:h" before the expansion.
8538 * Returns OK or FAIL.
8541 expand_wildcards_eval(pat, num_file, file, flags)
8542 char_u **pat; /* pointer to input pattern */
8543 int *num_file; /* resulting number of files */
8544 char_u ***file; /* array of resulting files */
8545 int flags; /* EW_DIR, etc. */
8548 char_u *eval_pat = NULL;
8549 char_u *exp_pat = *pat;
8550 char_u *ignored_msg;
8553 if (*exp_pat == '%' || *exp_pat == '#' || *exp_pat == '<')
8556 eval_pat = eval_vars(exp_pat, exp_pat, &usedlen,
8557 NULL, &ignored_msg, NULL);
8559 if (eval_pat != NULL)
8560 exp_pat = concat_str(eval_pat, exp_pat + usedlen);
8563 if (exp_pat != NULL)
8564 ret = expand_wildcards(1, &exp_pat, num_file, file, flags);
8566 if (eval_pat != NULL)
8576 * Expand wildcards. Calls gen_expand_wildcards() and removes files matching
8578 * Returns OK or FAIL. When FAIL then "num_file" won't be set.
8581 expand_wildcards(num_pat, pat, num_file, file, flags)
8582 int num_pat; /* number of input patterns */
8583 char_u **pat; /* array of input patterns */
8584 int *num_file; /* resulting number of files */
8585 char_u ***file; /* array of resulting files */
8586 int flags; /* EW_DIR, etc. */
8591 int non_suf_match; /* number without matching suffix */
8593 retval = gen_expand_wildcards(num_pat, pat, num_file, file, flags);
8595 /* When keeping all matches, return here */
8596 if ((flags & EW_KEEPALL) || retval == FAIL)
8601 * Remove names that match 'wildignore'.
8607 /* check all files in (*file)[] */
8608 for (i = 0; i < *num_file; ++i)
8610 ffname = FullName_save((*file)[i], FALSE);
8611 if (ffname == NULL) /* out of memory */
8614 vms_remove_version(ffname);
8616 if (match_file_list(p_wig, (*file)[i], ffname))
8618 /* remove this matching file from the list */
8619 vim_free((*file)[i]);
8620 for (j = i; j + 1 < *num_file; ++j)
8621 (*file)[j] = (*file)[j + 1];
8631 * Move the names where 'suffixes' match to the end.
8636 for (i = 0; i < *num_file; ++i)
8638 if (!match_suffix((*file)[i]))
8641 * Move the name without matching suffix to the front
8645 for (j = i; j > non_suf_match; --j)
8646 (*file)[j] = (*file)[j - 1];
8647 (*file)[non_suf_match++] = p;
8656 * Return TRUE if "fname" matches with an entry in 'suffixes'.
8662 int fnamelen, setsuflen;
8664 #define MAXSUFLEN 30 /* maximum length of a file suffix */
8665 char_u suf_buf[MAXSUFLEN];
8667 fnamelen = (int)STRLEN(fname);
8669 for (setsuf = p_su; *setsuf; )
8671 setsuflen = copy_option_part(&setsuf, suf_buf, MAXSUFLEN, ".,");
8674 char_u *tail = gettail(fname);
8676 /* empty entry: match name without a '.' */
8677 if (vim_strchr(tail, '.') == NULL)
8685 if (fnamelen >= setsuflen
8686 && fnamencmp(suf_buf, fname + fnamelen - setsuflen,
8687 (size_t)setsuflen) == 0)
8692 return (setsuflen != 0);
8695 #if !defined(NO_EXPANDPATH) || defined(PROTO)
8697 # ifdef VIM_BACKTICK
8698 static int vim_backtick __ARGS((char_u *p));
8699 static int expand_backtick __ARGS((garray_T *gap, char_u *pat, int flags));
8702 # if defined(MSDOS) || defined(FEAT_GUI_W16) || defined(WIN3264)
8704 * File name expansion code for MS-DOS, Win16 and Win32. It's here because
8705 * it's shared between these systems.
8707 # if defined(DJGPP) || defined(PROTO)
8708 # define _cdecl /* DJGPP doesn't have this */
8710 # ifdef __BORLANDC__
8711 # define _cdecl _RTLENTRYF
8716 * comparison function for qsort in dos_expandpath()
8719 pstrcmp(const void *a, const void *b)
8721 return (pathcmp(*(char **)a, *(char **)b, -1));
8731 if (USE_LONG_FNAME) /* don't lower case on Windows 95/NT systems */
8737 *d++ = TOLOWER_LOC(*s++);
8743 * Recursively expand one path component into all matching files and/or
8744 * directories. Adds matches to "gap". Handles "*", "?", "[a-z]", "**", etc.
8745 * Return the number of matches found.
8746 * "path" has backslashes before chars that are not to be expanded, starting
8747 * at "path[wildoff]".
8748 * Return the number of matches found.
8749 * NOTE: much of this is identical to unix_expandpath(), keep in sync!
8756 int flags, /* EW_* flags */
8757 int didstar) /* expanded "**" once already */
8762 int start_len = gap->ga_len;
8764 regmatch_T regmatch;
8765 int starts_with_dot;
8768 int starstar = FALSE;
8769 static int stardepth = 0; /* depth for "**" expansion */
8772 HANDLE hFind = (HANDLE)0;
8774 WIN32_FIND_DATAW wfb;
8775 WCHAR *wn = NULL; /* UCS-2 name, NULL when not used. */
8783 /* Expanding "**" may take a long time, check for CTRL-C. */
8791 /* make room for file name */
8792 buf = alloc((int)STRLEN(path) + BASENAMELEN + 5);
8797 * Find the first part in the path name that contains a wildcard or a ~1.
8798 * Copy it into buf, including the preceding characters.
8804 while (*path_end != NUL)
8806 /* May ignore a wildcard that has a backslash before it; it will
8807 * be removed by rem_backslash() or file_pat_to_reg_pat() below. */
8808 if (path_end >= path + wildoff && rem_backslash(path_end))
8810 else if (*path_end == '\\' || *path_end == ':' || *path_end == '/')
8816 else if (path_end >= path + wildoff
8817 && vim_strchr((char_u *)"*?[~", *path_end) != NULL)
8822 len = (*mb_ptr2len)(path_end);
8823 STRNCPY(p, path_end, len);
8834 /* now we have one wildcard component between s and e */
8835 /* Remove backslashes between "wildoff" and the start of the wildcard
8837 for (p = buf + wildoff; p < s; ++p)
8838 if (rem_backslash(p))
8845 /* Check for "**" between "s" and "e". */
8846 for (p = s; p < e; ++p)
8847 if (p[0] == '*' && p[1] == '*')
8850 starts_with_dot = (*s == '.');
8851 pat = file_pat_to_reg_pat(s, e, NULL, FALSE);
8858 /* compile the regexp into a program */
8859 regmatch.rm_ic = TRUE; /* Always ignore case */
8860 regmatch.regprog = vim_regcomp(pat, RE_MAGIC);
8863 if (regmatch.regprog == NULL)
8869 /* remember the pattern or file name being looked for */
8870 matchname = vim_strsave(s);
8872 /* If "**" is by itself, this is the first time we encounter it and more
8873 * is following then find matches without any directory. */
8874 if (!didstar && stardepth < 100 && starstar && e - s == 2
8875 && *path_end == '/')
8877 STRCPY(s, path_end + 1);
8879 (void)dos_expandpath(gap, buf, (int)(s - buf), flags, TRUE);
8883 /* Scan all files in the directory with "dir/ *.*" */
8887 if (enc_codepage >= 0 && (int)GetACP() != enc_codepage)
8889 /* The active codepage differs from 'encoding'. Attempt using the
8890 * wide function. If it fails because it is not implemented fall back
8891 * to the non-wide version (for Windows 98) */
8892 wn = enc_to_utf16(buf, NULL);
8895 hFind = FindFirstFileW(wn, &wfb);
8896 if (hFind == INVALID_HANDLE_VALUE
8897 && GetLastError() == ERROR_CALL_NOT_IMPLEMENTED)
8907 hFind = FindFirstFile(buf, &fb);
8908 ok = (hFind != INVALID_HANDLE_VALUE);
8910 /* If we are expanding wildcards we try both files and directories */
8911 ok = (findfirst((char *)buf, &fb,
8912 (*path_end != NUL || (flags & EW_DIR)) ? FA_DIREC : 0) == 0);
8920 p = utf16_to_enc(wfb.cFileName, NULL); /* p is allocated here */
8923 p = (char_u *)fb.cFileName;
8925 p = (char_u *)fb.ff_name;
8927 /* Ignore entries starting with a dot, unless when asked for. Accept
8928 * all entries found with "matchname". */
8929 if ((p[0] != '.' || starts_with_dot)
8930 && (matchname == NULL
8931 || vim_regexec(®match, p, (colnr_T)0)))
8938 len = (int)STRLEN(buf);
8940 if (starstar && stardepth < 100)
8942 /* For "**" in the pattern first go deeper in the tree to
8944 STRCPY(buf + len, "/**");
8945 STRCPY(buf + len + 3, path_end);
8947 (void)dos_expandpath(gap, buf, len + 1, flags, TRUE);
8951 STRCPY(buf + len, path_end);
8952 if (mch_has_exp_wildcard(path_end))
8954 /* need to expand another component of the path */
8955 /* remove backslashes for the remaining components only */
8956 (void)dos_expandpath(gap, buf, len + 1, flags, FALSE);
8960 /* no more wildcards, check if there is a match */
8961 /* remove backslashes for the remaining components only */
8963 backslash_halve(buf + len + 1);
8964 if (mch_getperm(buf) >= 0) /* add existing file */
8965 addfile(gap, buf, flags);
8974 ok = FindNextFileW(hFind, &wfb);
8978 ok = FindNextFile(hFind, &fb);
8980 ok = (findnext(&fb) == 0);
8983 /* If no more matches and no match was used, try expanding the name
8984 * itself. Finds the long name of a short filename. */
8985 if (!ok && matchname != NULL && gap->ga_len == start_len)
8987 STRCPY(s, matchname);
8994 wn = enc_to_utf16(buf, NULL);
8996 hFind = FindFirstFileW(wn, &wfb);
9000 hFind = FindFirstFile(buf, &fb);
9001 ok = (hFind != INVALID_HANDLE_VALUE);
9003 ok = (findfirst((char *)buf, &fb,
9004 (*path_end != NUL || (flags & EW_DIR)) ? FA_DIREC : 0) == 0);
9006 vim_free(matchname);
9018 vim_free(regmatch.regprog);
9019 vim_free(matchname);
9021 matches = gap->ga_len - start_len;
9023 qsort(((char_u **)gap->ga_data) + start_len, (size_t)matches,
9024 sizeof(char_u *), pstrcmp);
9032 int flags) /* EW_* flags */
9034 return dos_expandpath(gap, path, 0, flags, FALSE);
9036 # endif /* MSDOS || FEAT_GUI_W16 || WIN3264 */
9038 #if (defined(UNIX) && !defined(VMS)) || defined(USE_UNIXFILENAME) \
9041 * Unix style wildcard expansion code.
9042 * It's here because it's used both for Unix and Mac.
9044 static int pstrcmp __ARGS((const void *, const void *));
9050 return (pathcmp(*(char **)a, *(char **)b, -1));
9054 * Recursively expand one path component into all matching files and/or
9055 * directories. Adds matches to "gap". Handles "*", "?", "[a-z]", "**", etc.
9056 * "path" has backslashes before chars that are not to be expanded, starting
9057 * at "path + wildoff".
9058 * Return the number of matches found.
9059 * NOTE: much of this is identical to dos_expandpath(), keep in sync!
9062 unix_expandpath(gap, path, wildoff, flags, didstar)
9066 int flags; /* EW_* flags */
9067 int didstar; /* expanded "**" once already */
9072 int start_len = gap->ga_len;
9074 regmatch_T regmatch;
9075 int starts_with_dot;
9078 int starstar = FALSE;
9079 static int stardepth = 0; /* depth for "**" expansion */
9084 /* Expanding "**" may take a long time, check for CTRL-C. */
9092 /* make room for file name */
9093 buf = alloc((int)STRLEN(path) + BASENAMELEN + 5);
9098 * Find the first part in the path name that contains a wildcard.
9099 * Copy it into "buf", including the preceding characters.
9105 while (*path_end != NUL)
9107 /* May ignore a wildcard that has a backslash before it; it will
9108 * be removed by rem_backslash() or file_pat_to_reg_pat() below. */
9109 if (path_end >= path + wildoff && rem_backslash(path_end))
9111 else if (*path_end == '/')
9117 else if (path_end >= path + wildoff
9118 && vim_strchr((char_u *)"*?[{~$", *path_end) != NULL)
9123 len = (*mb_ptr2len)(path_end);
9124 STRNCPY(p, path_end, len);
9135 /* now we have one wildcard component between "s" and "e" */
9136 /* Remove backslashes between "wildoff" and the start of the wildcard
9138 for (p = buf + wildoff; p < s; ++p)
9139 if (rem_backslash(p))
9146 /* Check for "**" between "s" and "e". */
9147 for (p = s; p < e; ++p)
9148 if (p[0] == '*' && p[1] == '*')
9151 /* convert the file pattern to a regexp pattern */
9152 starts_with_dot = (*s == '.');
9153 pat = file_pat_to_reg_pat(s, e, NULL, FALSE);
9160 /* compile the regexp into a program */
9161 #ifdef CASE_INSENSITIVE_FILENAME
9162 regmatch.rm_ic = TRUE; /* Behave like Terminal.app */
9164 regmatch.rm_ic = FALSE; /* Don't ever ignore case */
9166 regmatch.regprog = vim_regcomp(pat, RE_MAGIC);
9169 if (regmatch.regprog == NULL)
9175 /* If "**" is by itself, this is the first time we encounter it and more
9176 * is following then find matches without any directory. */
9177 if (!didstar && stardepth < 100 && starstar && e - s == 2
9178 && *path_end == '/')
9180 STRCPY(s, path_end + 1);
9182 (void)unix_expandpath(gap, buf, (int)(s - buf), flags, TRUE);
9186 /* open the directory for scanning */
9188 dirp = opendir(*buf == NUL ? "." : (char *)buf);
9190 /* Find all matching entries */
9198 if ((dp->d_name[0] != '.' || starts_with_dot)
9199 && vim_regexec(®match, (char_u *)dp->d_name, (colnr_T)0))
9201 STRCPY(s, dp->d_name);
9204 if (starstar && stardepth < 100)
9206 /* For "**" in the pattern first go deeper in the tree to
9208 STRCPY(buf + len, "/**");
9209 STRCPY(buf + len + 3, path_end);
9211 (void)unix_expandpath(gap, buf, len + 1, flags, TRUE);
9215 STRCPY(buf + len, path_end);
9216 if (mch_has_exp_wildcard(path_end)) /* handle more wildcards */
9218 /* need to expand another component of the path */
9219 /* remove backslashes for the remaining components only */
9220 (void)unix_expandpath(gap, buf, len + 1, flags, FALSE);
9224 /* no more wildcards, check if there is a match */
9225 /* remove backslashes for the remaining components only */
9226 if (*path_end != NUL)
9227 backslash_halve(buf + len + 1);
9228 if (mch_getperm(buf) >= 0) /* add existing file */
9230 #ifdef MACOS_CONVERT
9231 size_t precomp_len = STRLEN(buf)+1;
9232 char_u *precomp_buf =
9233 mac_precompose_path(buf, precomp_len, &precomp_len);
9237 mch_memmove(buf, precomp_buf, precomp_len);
9238 vim_free(precomp_buf);
9241 addfile(gap, buf, flags);
9251 vim_free(regmatch.regprog);
9253 matches = gap->ga_len - start_len;
9255 qsort(((char_u **)gap->ga_data) + start_len, matches,
9256 sizeof(char_u *), pstrcmp);
9261 #if defined(FEAT_SEARCHPATH)
9262 static int find_previous_pathsep __ARGS((char_u *path, char_u **psep));
9263 static int is_unique __ARGS((char_u *maybe_unique, garray_T *gap, int i));
9264 static void expand_path_option __ARGS((char_u *curdir, garray_T *gap));
9265 static char_u *get_path_cutoff __ARGS((char_u *fname, garray_T *gap));
9266 static void uniquefy_paths __ARGS((garray_T *gap, char_u *pattern));
9267 static int expand_in_path __ARGS((garray_T *gap, char_u *pattern, int flags));
9270 * Moves "*psep" back to the previous path separator in "path".
9271 * Returns FAIL is "*psep" ends up at the beginning of "path".
9274 find_previous_pathsep(path, psep)
9278 /* skip the current separator */
9279 if (*psep > path && vim_ispathsep(**psep))
9282 /* find the previous separator */
9283 while (*psep > path)
9285 if (vim_ispathsep(**psep))
9287 mb_ptr_back(path, *psep);
9294 * Returns TRUE if "maybe_unique" is unique wrt other_paths in "gap".
9295 * "maybe_unique" is the end portion of "((char_u **)gap->ga_data)[i]".
9298 is_unique(maybe_unique, gap, i)
9299 char_u *maybe_unique;
9306 char_u **other_paths = (char_u **)gap->ga_data;
9309 for (j = 0; j < gap->ga_len; j++)
9312 continue; /* don't compare it with itself */
9314 candidate_len = (int)STRLEN(maybe_unique);
9315 other_path_len = (int)STRLEN(other_paths[j]);
9316 if (other_path_len < candidate_len)
9317 continue; /* it's different when it's shorter */
9319 rival = other_paths[j] + other_path_len - candidate_len;
9320 if (fnamecmp(maybe_unique, rival) == 0)
9321 return FALSE; /* match */
9324 return TRUE; /* no match found */
9328 * Split the 'path' option into an array of strings in garray_T. Relative
9329 * paths are expanded to their equivalent fullpath. This includes the "."
9330 * (relative to current buffer directory) and empty path (relative to current
9331 * directory) notations.
9333 * TODO: handle upward search (;) and path limiter (**N) notations by
9334 * expanding each into their equivalent path(s).
9337 expand_path_option(curdir, gap)
9341 char_u *path_option = *curbuf->b_p_path == NUL
9342 ? p_path : curbuf->b_p_path;
9347 if ((buf = alloc((int)MAXPATHL)) == NULL)
9350 while (*path_option != NUL)
9352 copy_option_part(&path_option, buf, MAXPATHL, " ,");
9354 if (buf[0] == '.' && (buf[1] == NUL || vim_ispathsep(buf[1])))
9356 /* Relative to current buffer:
9357 * "/path/file" + "." -> "/path/"
9358 * "/path/file" + "./subdir" -> "/path/subdir" */
9359 if (curbuf->b_ffname == NULL)
9361 p = gettail(curbuf->b_ffname);
9362 len = (int)(p - curbuf->b_ffname);
9363 if (len + (int)STRLEN(buf) >= MAXPATHL)
9368 STRMOVE(buf + len, buf + 2);
9369 mch_memmove(buf, curbuf->b_ffname, len);
9370 simplify_filename(buf);
9372 else if (buf[0] == NUL)
9373 /* relative to current directory */
9374 STRCPY(buf, curdir);
9375 else if (path_with_url(buf))
9376 /* URL can't be used here */
9378 else if (!mch_isFullName(buf))
9380 /* Expand relative path to their full path equivalent */
9381 len = (int)STRLEN(curdir);
9382 if (len + (int)STRLEN(buf) + 3 > MAXPATHL)
9384 STRMOVE(buf + len + 1, buf);
9385 STRCPY(buf, curdir);
9387 simplify_filename(buf);
9390 if (ga_grow(gap, 1) == FAIL)
9392 p = vim_strsave(buf);
9395 ((char_u **)gap->ga_data)[gap->ga_len++] = p;
9402 * Returns a pointer to the file or directory name in "fname" that matches the
9403 * longest path in "ga"p, or NULL if there is no match. For example:
9405 * path: /foo/bar/baz
9406 * fname: /foo/bar/baz/quux.txt
9410 get_path_cutoff(fname, gap)
9416 char_u **path_part = (char_u **)gap->ga_data;
9417 char_u *cutoff = NULL;
9419 for (i = 0; i < gap->ga_len; i++)
9423 while ((fname[j] == path_part[i][j]
9424 # if defined(MSWIN) || defined(MSDOS)
9425 || (vim_ispathsep(fname[j]) && vim_ispathsep(path_part[i][j]))
9427 ) && fname[j] != NUL && path_part[i][j] != NUL)
9436 /* skip to the file or directory name */
9438 while (vim_ispathsep(*cutoff))
9445 * Sorts, removes duplicates and modifies all the fullpath names in "gap" so
9446 * that they are unique with respect to each other while conserving the part
9447 * that matches the pattern. Beware, this is at least O(n^2) wrt "gap->ga_len".
9450 uniquefy_paths(gap, pattern)
9456 char_u **fnames = (char_u **)gap->ga_data;
9457 int sort_again = FALSE;
9459 char_u *file_pattern;
9461 regmatch_T regmatch;
9463 char_u **in_curdir = NULL;
9466 remove_duplicates(gap);
9467 ga_init2(&path_ga, (int)sizeof(char_u *), 1);
9470 * We need to prepend a '*' at the beginning of file_pattern so that the
9471 * regex matches anywhere in the path. FIXME: is this valid for all
9472 * possible patterns?
9474 len = (int)STRLEN(pattern);
9475 file_pattern = alloc(len + 2);
9476 if (file_pattern == NULL)
9478 file_pattern[0] = '*';
9479 file_pattern[1] = NUL;
9480 STRCAT(file_pattern, pattern);
9481 pat = file_pat_to_reg_pat(file_pattern, NULL, NULL, TRUE);
9482 vim_free(file_pattern);
9486 regmatch.rm_ic = TRUE; /* always ignore case */
9487 regmatch.regprog = vim_regcomp(pat, RE_MAGIC + RE_STRING);
9489 if (regmatch.regprog == NULL)
9492 if ((curdir = alloc((int)(MAXPATHL))) == NULL)
9494 mch_dirname(curdir, MAXPATHL);
9495 expand_path_option(curdir, &path_ga);
9497 in_curdir = (char_u **)alloc_clear(gap->ga_len * sizeof(char_u *));
9498 if (in_curdir == NULL)
9501 for (i = 0; i < gap->ga_len && !got_int; i++)
9503 char_u *path = fnames[i];
9505 char_u *dir_end = gettail_dir(path);
9507 char_u *path_cutoff;
9509 len = (int)STRLEN(path);
9510 is_in_curdir = fnamencmp(curdir, path, dir_end - path) == 0
9511 && curdir[dir_end - path] == NUL;
9513 in_curdir[i] = vim_strsave(path);
9515 /* Shorten the filename while maintaining its uniqueness */
9516 path_cutoff = get_path_cutoff(path, &path_ga);
9518 /* we start at the end of the path */
9519 pathsep_p = path + len - 1;
9521 while (find_previous_pathsep(path, &pathsep_p))
9522 if (vim_regexec(®match, pathsep_p + 1, (colnr_T)0)
9523 && is_unique(pathsep_p + 1, gap, i)
9524 && path_cutoff != NULL && pathsep_p + 1 >= path_cutoff)
9527 mch_memmove(path, pathsep_p + 1, STRLEN(pathsep_p));
9531 if (mch_isFullName(path))
9534 * Last resort: shorten relative to curdir if possible.
9536 * 1. It is under the current directory.
9537 * 2. The result is actually shorter than the original.
9539 * Before curdir After
9540 * /foo/bar/file.txt /foo/bar ./file.txt
9541 * c:\foo\bar\file.txt c:\foo\bar .\file.txt
9542 * /file.txt / /file.txt
9543 * c:\file.txt c:\ .\file.txt
9545 short_name = shorten_fname(path, curdir);
9546 if (short_name != NULL && short_name > path + 1
9547 #if defined(MSWIN) || defined(MSDOS)
9549 * shorten_fname("c:\a\a.txt", "c:\a\b")
9550 * returns "\a\a.txt", which is not really the short
9552 && !vim_ispathsep(*short_name)
9558 STRMOVE(path + STRLEN(path), short_name);
9564 /* Shorten filenames in /in/current/directory/{filename} */
9565 for (i = 0; i < gap->ga_len && !got_int; i++)
9568 char_u *path = in_curdir[i];
9573 /* If the {filename} is not unique, change it to ./{filename}.
9574 * Else reduce it to {filename} */
9575 short_name = shorten_fname(path, curdir);
9576 if (short_name == NULL)
9578 if (is_unique(short_name, gap, i))
9580 STRCPY(fnames[i], short_name);
9584 rel_path = alloc((int)(STRLEN(short_name) + STRLEN(PATHSEPSTR) + 2));
9585 if (rel_path == NULL)
9587 STRCPY(rel_path, ".");
9588 add_pathsep(rel_path);
9589 STRCAT(rel_path, short_name);
9591 vim_free(fnames[i]);
9592 fnames[i] = rel_path;
9599 if (in_curdir != NULL)
9601 for (i = 0; i < gap->ga_len; i++)
9602 vim_free(in_curdir[i]);
9603 vim_free(in_curdir);
9605 ga_clear_strings(&path_ga);
9606 vim_free(regmatch.regprog);
9609 remove_duplicates(gap);
9613 * Calls globpath() with 'path' values for the given pattern and stores the
9615 * Returns the total number of matches.
9618 expand_in_path(gap, pattern, flags)
9621 int flags; /* EW_* flags */
9625 char_u *files = NULL;
9626 char_u *s; /* start */
9627 char_u *e; /* end */
9628 char_u *paths = NULL;
9630 if ((curdir = alloc((unsigned)MAXPATHL)) == NULL)
9632 mch_dirname(curdir, MAXPATHL);
9634 ga_init2(&path_ga, (int)sizeof(char_u *), 1);
9635 expand_path_option(curdir, &path_ga);
9637 if (path_ga.ga_len == 0)
9640 paths = ga_concat_strings(&path_ga);
9641 ga_clear_strings(&path_ga);
9645 files = globpath(paths, pattern, 0);
9650 /* Copy each path in files into gap */
9654 while (*e != '\n' && *e != NUL)
9658 addfile(gap, s, flags);
9665 addfile(gap, s, flags);
9676 #if defined(FEAT_SEARCHPATH) || defined(FEAT_CMDL_COMPL) || defined(PROTO)
9678 * Sort "gap" and remove duplicate entries. "gap" is expected to contain a
9679 * list of file names in allocated memory.
9682 remove_duplicates(gap)
9687 char_u **fnames = (char_u **)gap->ga_data;
9689 sort_strings(fnames, gap->ga_len);
9690 for (i = gap->ga_len - 1; i > 0; --i)
9691 if (fnamecmp(fnames[i - 1], fnames[i]) == 0)
9693 vim_free(fnames[i]);
9694 for (j = i + 1; j < gap->ga_len; ++j)
9695 fnames[j - 1] = fnames[j];
9702 * Generic wildcard expansion code.
9704 * Characters in "pat" that should not be expanded must be preceded with a
9705 * backslash. E.g., "/path\ with\ spaces/my\*star*"
9707 * Return FAIL when no single file was found. In this case "num_file" is not
9708 * set, and "file" may contain an error message.
9709 * Return OK when some files found. "num_file" is set to the number of
9710 * matches, "file" to the array of matches. Call FreeWild() later.
9713 gen_expand_wildcards(num_pat, pat, num_file, file, flags)
9714 int num_pat; /* number of input patterns */
9715 char_u **pat; /* array of input patterns */
9716 int *num_file; /* resulting number of files */
9717 char_u ***file; /* array of resulting files */
9718 int flags; /* EW_* flags */
9723 static int recursive = FALSE;
9725 #if defined(FEAT_SEARCHPATH)
9726 int did_expand_in_path = FALSE;
9730 * expand_env() is called to expand things like "~user". If this fails,
9731 * it calls ExpandOne(), which brings us back here. In this case, always
9732 * call the machine specific expansion function, if possible. Otherwise,
9736 #ifdef SPECIAL_WILDCHAR
9737 return mch_expand_wildcards(num_pat, pat, num_file, file, flags);
9742 #ifdef SPECIAL_WILDCHAR
9744 * If there are any special wildcard characters which we cannot handle
9745 * here, call machine specific function for all the expansion. This
9746 * avoids starting the shell for each argument separately.
9747 * For `=expr` do use the internal function.
9749 for (i = 0; i < num_pat; i++)
9751 if (vim_strpbrk(pat[i], (char_u *)SPECIAL_WILDCHAR) != NULL
9752 # ifdef VIM_BACKTICK
9753 && !(vim_backtick(pat[i]) && pat[i][1] == '=')
9756 return mch_expand_wildcards(num_pat, pat, num_file, file, flags);
9763 * The matching file names are stored in a growarray. Init it empty.
9765 ga_init2(&ga, (int)sizeof(char_u *), 30);
9767 for (i = 0; i < num_pat; ++i)
9773 if (vim_backtick(p))
9774 add_pat = expand_backtick(&ga, p, flags);
9779 * First expand environment variables, "~/" and "~user/".
9781 if (vim_strchr(p, '$') != NULL || *p == '~')
9783 p = expand_env_save_opt(p, TRUE);
9788 * On Unix, if expand_env() can't expand an environment
9789 * variable, use the shell to do that. Discard previously
9790 * found file names and start all over again.
9792 else if (vim_strchr(p, '$') != NULL || *p == '~')
9795 ga_clear_strings(&ga);
9796 i = mch_expand_wildcards(num_pat, pat, num_file, file,
9805 * If there are wildcards: Expand file names and add each match to
9806 * the list. If there is no match, and EW_NOTFOUND is given, add
9808 * If there are no wildcards: Add the file name if it exists or
9809 * when EW_NOTFOUND is given.
9811 if (mch_has_exp_wildcard(p))
9813 #if defined(FEAT_SEARCHPATH)
9814 if ((flags & EW_PATH)
9815 && !mch_isFullName(p)
9817 && (vim_ispathsep(p[1])
9818 || (p[1] == '.' && vim_ispathsep(p[2]))))
9821 /* :find completion where 'path' is used.
9822 * Recursiveness is OK here. */
9824 add_pat = expand_in_path(&ga, p, flags);
9826 did_expand_in_path = TRUE;
9830 add_pat = mch_expandpath(&ga, p, flags);
9834 if (add_pat == -1 || (add_pat == 0 && (flags & EW_NOTFOUND)))
9836 char_u *t = backslash_halve_save(p);
9838 #if defined(MACOS_CLASSIC)
9841 /* When EW_NOTFOUND is used, always add files and dirs. Makes
9842 * "vim c:/" work. */
9843 if (flags & EW_NOTFOUND)
9844 addfile(&ga, t, flags | EW_DIR | EW_FILE);
9845 else if (mch_getperm(t) >= 0)
9846 addfile(&ga, t, flags);
9850 #if defined(FEAT_SEARCHPATH)
9851 if (did_expand_in_path && ga.ga_len > 0 && (flags & EW_PATH))
9852 uniquefy_paths(&ga, p);
9858 *num_file = ga.ga_len;
9859 *file = (ga.ga_data != NULL) ? (char_u **)ga.ga_data : (char_u **)"";
9863 return (ga.ga_data != NULL) ? OK : FAIL;
9866 # ifdef VIM_BACKTICK
9869 * Return TRUE if we can expand this backtick thing here.
9875 return (*p == '`' && *(p + 1) != NUL && *(p + STRLEN(p) - 1) == '`');
9879 * Expand an item in `backticks` by executing it as a command.
9880 * Currently only works when pat[] starts and ends with a `.
9881 * Returns number of file names found.
9884 expand_backtick(gap, pat, flags)
9887 int flags; /* EW_* flags */
9895 /* Create the command: lop off the backticks. */
9896 cmd = vim_strnsave(pat + 1, (int)STRLEN(pat) - 2);
9901 if (*cmd == '=') /* `={expr}`: Expand expression */
9902 buffer = eval_to_string(cmd + 1, &p, TRUE);
9905 buffer = get_cmd_output(cmd, NULL,
9906 (flags & EW_SILENT) ? SHELL_SILENT : 0);
9914 cmd = skipwhite(cmd); /* skip over white space */
9916 while (*p != NUL && *p != '\r' && *p != '\n') /* skip over entry */
9918 /* add an entry if it is not empty */
9923 addfile(gap, cmd, flags);
9928 while (*cmd != NUL && (*cmd == '\r' || *cmd == '\n'))
9935 # endif /* VIM_BACKTICK */
9938 * Add a file to a file list. Accepted flags:
9939 * EW_DIR add directories
9941 * EW_EXEC add executable files
9942 * EW_NOTFOUND add even when it doesn't exist
9943 * EW_ADDSLASH add slash after directory name
9946 addfile(gap, f, flags)
9948 char_u *f; /* filename */
9954 /* if the file/dir doesn't exist, may not add it */
9955 if (!(flags & EW_NOTFOUND) && mch_getperm(f) < 0)
9958 #ifdef FNAME_ILLEGAL
9959 /* if the file/dir contains illegal characters, don't add it */
9960 if (vim_strpbrk(f, (char_u *)FNAME_ILLEGAL) != NULL)
9964 isdir = mch_isdir(f);
9965 if ((isdir && !(flags & EW_DIR)) || (!isdir && !(flags & EW_FILE)))
9968 /* If the file isn't executable, may not add it. Do accept directories. */
9969 if (!isdir && (flags & EW_EXEC) && !mch_can_exe(f))
9972 /* Make room for another item in the file list. */
9973 if (ga_grow(gap, 1) == FAIL)
9976 p = alloc((unsigned)(STRLEN(f) + 1 + isdir));
9981 #ifdef BACKSLASH_IN_FILENAME
9985 * Append a slash or backslash after directory names if none is present.
9987 #ifndef DONT_ADD_PATHSEP_TO_DIR
9988 if (isdir && (flags & EW_ADDSLASH))
9991 ((char_u **)gap->ga_data)[gap->ga_len++] = p;
9993 #endif /* !NO_EXPANDPATH */
9995 #if defined(VIM_BACKTICK) || defined(FEAT_EVAL) || defined(PROTO)
10001 # define SEEK_END 2
10005 * Get the stdout of an external command.
10006 * Returns an allocated string, or NULL for error.
10009 get_cmd_output(cmd, infile, flags)
10011 char_u *infile; /* optional input file name */
10012 int flags; /* can be SHELL_SILENT */
10016 char_u *buffer = NULL;
10021 if (check_restricted() || check_secure())
10024 /* get a name for the temp file */
10025 if ((tempname = vim_tempname('o')) == NULL)
10031 /* Add the redirection stuff */
10032 command = make_filter_cmd(cmd, infile, tempname);
10033 if (command == NULL)
10037 * Call the shell to execute the command (errors are ignored).
10038 * Don't check timestamps here.
10040 ++no_check_timestamps;
10041 call_shell(command, SHELL_DOOUT | SHELL_EXPAND | flags);
10042 --no_check_timestamps;
10047 * read the names from the file into memory
10050 /* created temporary file is not always readable as binary */
10051 fd = mch_fopen((char *)tempname, "r");
10053 fd = mch_fopen((char *)tempname, READBIN);
10058 EMSG2(_(e_notopen), tempname);
10062 fseek(fd, 0L, SEEK_END);
10063 len = ftell(fd); /* get size of temp file */
10064 fseek(fd, 0L, SEEK_SET);
10066 buffer = alloc(len + 1);
10067 if (buffer != NULL)
10068 i = (int)fread((char *)buffer, (size_t)1, (size_t)len, fd);
10070 mch_remove(tempname);
10071 if (buffer == NULL)
10074 len = i; /* VMS doesn't give us what we asked for... */
10078 EMSG2(_(e_notread), tempname);
10083 buffer[len] = NUL; /* make sure the buffer is terminated */
10086 vim_free(tempname);
10092 * Free the list of files returned by expand_wildcards() or other expansion
10096 FreeWild(count, files)
10100 if (count <= 0 || files == NULL)
10102 #if defined(__EMX__) && defined(__ALWAYS_HAS_TRAILING_NULL_POINTER) /* XXX */
10104 * Is this still OK for when other functions than expand_wildcards() have
10107 _fnexplodefree((char **)files);
10110 vim_free(files[count]);
10116 * Return TRUE when need to go to Insert mode because of 'insertmode'.
10117 * Don't do this when still processing a command or a mapping.
10118 * Don't do this when inside a ":normal" command.
10123 return (p_im && stuff_empty() && typebuf_typed());