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
);
455 * Return appropriate space number for breakindent, taking influencing
456 * parameters into account. Window must be specified, since it is not
457 * necessarily always the current one. If lnum==0, current line is calculated,
458 * specified line otherwise.
461 get_breakindent_win (wp
,lnum
)
466 /* window width minus barren space, i.e. what rests for text */
467 const int eff_wwidth
= W_WIDTH(wp
)
468 - (wp
->w_p_nu
&& !vim_strchr(p_cpo
,CPO_NUMCOL
)?number_width(wp
):0);
469 /* - (*p_sbr == NUL ? 0 : vim_strsize(p_sbr)); */
471 bri
= get_indent_buf(wp
->w_buffer
,lnum
?lnum
:wp
->w_cursor
.lnum
) + wp
->w_p_brishift
;
473 /* if numbering and 'c' in 'cpoptions', cancel it out effectively */
474 /* (this could be replaced by an equivalent call to win_col_off2()) */
475 if (curwin
->w_p_nu
&& vim_strchr(p_cpo
, CPO_NUMCOL
))
476 bri
+= number_width(wp
);
478 /* never indent past left window margin */
481 /* always leave at least bri_min characters on the left,
482 * if text width is sufficient */
483 else if (bri
> eff_wwidth
- wp
->w_p_brimin
)
484 bri
= eff_wwidth
- wp
->w_p_brimin
< 0 ? 0 : eff_wwidth
- wp
->w_p_brimin
;
491 #if defined(FEAT_CINDENT) || defined(FEAT_SMARTINDENT)
493 static int cin_is_cinword
__ARGS((char_u
*line
));
496 * Return TRUE if the string "line" starts with a word from 'cinwords'.
508 cinw_len
= (int)STRLEN(curbuf
->b_p_cinw
) + 1;
509 cinw_buf
= alloc((unsigned)cinw_len
);
510 if (cinw_buf
!= NULL
)
512 line
= skipwhite(line
);
513 for (cinw
= curbuf
->b_p_cinw
; *cinw
; )
515 len
= copy_option_part(&cinw
, cinw_buf
, cinw_len
, ",");
516 if (STRNCMP(line
, cinw_buf
, len
) == 0
517 && (!vim_iswordc(line
[len
]) || !vim_iswordc(line
[len
- 1])))
530 * open_line: Add a new line below or above the current line.
532 * For VREPLACE mode, we only add a new line when we get to the end of the
533 * file, otherwise we just start replacing the next line.
535 * Caller must take care of undo. Since VREPLACE may affect any number of
536 * lines however, it may call u_save_cursor() again when starting to change a
538 * "flags": OPENLINE_DELSPACES delete spaces after cursor
539 * OPENLINE_DO_COM format comments
540 * OPENLINE_KEEPTRAIL keep trailing spaces
541 * OPENLINE_MARKFIX adjust mark positions after the line break
543 * Return TRUE for success, FALSE for failure
546 open_line(dir
, flags
, old_indent
)
547 int dir
; /* FORWARD or BACKWARD */
549 int old_indent
; /* indent for after ^^D in Insert mode */
551 char_u
*saved_line
; /* copy of the original line */
552 char_u
*next_line
= NULL
; /* copy of the next line */
553 char_u
*p_extra
= NULL
; /* what goes to next line */
554 int less_cols
= 0; /* less columns for mark in new line */
555 int less_cols_off
= 0; /* columns to skip for mark adjust */
556 pos_T old_cursor
; /* old cursor position */
557 int newcol
= 0; /* new cursor column */
558 int newindent
= 0; /* auto-indent of the new line */
560 int trunc_line
= FALSE
; /* truncate current line afterwards */
561 int retval
= FALSE
; /* return value, default is FAIL */
563 int extra_len
= 0; /* length of p_extra string */
564 int lead_len
; /* length of comment leader */
565 char_u
*lead_flags
; /* position in 'comments' for comment leader */
566 char_u
*leader
= NULL
; /* copy of comment leader */
568 char_u
*allocated
= NULL
; /* allocated memory */
569 #if defined(FEAT_SMARTINDENT) || defined(FEAT_VREPLACE) || defined(FEAT_LISP) \
570 || defined(FEAT_CINDENT) || defined(FEAT_COMMENTS)
573 int saved_char
= NUL
; /* init for GCC */
574 #if defined(FEAT_SMARTINDENT) || defined(FEAT_COMMENTS)
577 #ifdef FEAT_SMARTINDENT
578 int do_si
= (!p_paste
&& curbuf
->b_p_si
583 int no_si
= FALSE
; /* reset did_si afterwards */
584 int first_char
= NUL
; /* init for GCC */
586 #if defined(FEAT_VREPLACE) && (defined(FEAT_LISP) || defined(FEAT_CINDENT))
589 int did_append
; /* appended a new line */
590 int saved_pi
= curbuf
->b_p_pi
; /* copy of preserveindent setting */
593 * make a copy of the current line so we can mess with it
595 saved_line
= vim_strsave(ml_get_curline());
596 if (saved_line
== NULL
) /* out of memory! */
600 if (State
& VREPLACE_FLAG
)
603 * With VREPLACE we make a copy of the next line, which we will be
604 * starting to replace. First make the new line empty and let vim play
605 * with the indenting and comment leader to its heart's content. Then
606 * we grab what it ended up putting on the new line, put back the
607 * original line, and call ins_char() to put each new character onto
608 * the line, replacing what was there before and pushing the right
609 * stuff onto the replace stack. -- webb.
611 if (curwin
->w_cursor
.lnum
< orig_line_count
)
612 next_line
= vim_strsave(ml_get(curwin
->w_cursor
.lnum
+ 1));
614 next_line
= vim_strsave((char_u
*)"");
615 if (next_line
== NULL
) /* out of memory! */
619 * In VREPLACE mode, a NL replaces the rest of the line, and starts
620 * replacing the next line, so push all of the characters left on the
621 * line onto the replace stack. We'll push any other characters that
622 * might be replaced at the start of the next line (due to autoindent
625 replace_push(NUL
); /* Call twice because BS over NL expects it */
627 p
= saved_line
+ curwin
->w_cursor
.col
;
632 p
+= replace_push_mb(p
);
637 saved_line
[curwin
->w_cursor
.col
] = NUL
;
643 && !(State
& VREPLACE_FLAG
)
647 p_extra
= saved_line
+ curwin
->w_cursor
.col
;
648 #ifdef FEAT_SMARTINDENT
649 if (do_si
) /* need first char after new line break */
651 p
= skipwhite(p_extra
);
656 extra_len
= (int)STRLEN(p_extra
);
658 saved_char
= *p_extra
;
662 u_clearline(); /* cannot do "U" command when adding lines */
663 #ifdef FEAT_SMARTINDENT
669 * If we just did an auto-indent, then we didn't type anything on
670 * the prior line, and it should be truncated. Do this even if 'ai' is not
671 * set because automatically inserting a comment leader also sets did_ai.
673 if (dir
== FORWARD
&& did_ai
)
677 * If 'autoindent' and/or 'smartindent' is set, try to figure out what
678 * indent to use for the new line.
681 #ifdef FEAT_SMARTINDENT
687 * count white space on current line
689 newindent
= get_indent_str(saved_line
, (int)curbuf
->b_p_ts
);
691 newindent
= old_indent
; /* for ^^D command in insert mode */
693 #ifdef FEAT_SMARTINDENT
695 * Do smart indenting.
696 * In insert/replace mode (only when dir == FORWARD)
697 * we may move some text to the next line. If it starts with '{'
698 * don't add an indent. Fixes inserting a NL before '{' in line
701 if (!trunc_line
&& do_si
&& *saved_line
!= NUL
702 && (p_extra
== NULL
|| first_char
!= '{'))
707 old_cursor
= curwin
->w_cursor
;
709 # ifdef FEAT_COMMENTS
710 if (flags
& OPENLINE_DO_COM
)
711 lead_len
= get_leader_len(ptr
, NULL
, FALSE
);
718 * Skip preprocessor directives, unless they are
719 * recognised as comments.
722 # ifdef FEAT_COMMENTS
727 while (ptr
[0] == '#' && curwin
->w_cursor
.lnum
> 1)
728 ptr
= ml_get(--curwin
->w_cursor
.lnum
);
729 newindent
= get_indent();
731 # ifdef FEAT_COMMENTS
732 if (flags
& OPENLINE_DO_COM
)
733 lead_len
= get_leader_len(ptr
, NULL
, FALSE
);
739 * This case gets the following right:
741 * * A comment (read '\' as '/').
744 * This should line up here;
747 if (p
[0] == '/' && p
[1] == '*')
753 if (p
[0] == '/' && p
[-1] == '*')
756 * End of C comment, indent should line up
757 * with the line containing the start of
760 curwin
->w_cursor
.col
= (colnr_T
)(p
- ptr
);
761 if ((pos
= findmatch(NULL
, NUL
)) != NULL
)
763 curwin
->w_cursor
.lnum
= pos
->lnum
;
764 newindent
= get_indent();
770 else /* Not a comment line */
773 /* Find last non-blank in line */
774 p
= ptr
+ STRLEN(ptr
) - 1;
775 while (p
> ptr
&& vim_iswhite(*p
))
780 * find the character just before the '{' or ';'
782 if (last_char
== '{' || last_char
== ';')
786 while (p
> ptr
&& vim_iswhite(*p
))
790 * Try to catch lines that are split over multiple
794 * Should line up here!
799 curwin
->w_cursor
.col
= (colnr_T
)(p
- ptr
);
800 if ((pos
= findmatch(NULL
, '(')) != NULL
)
802 curwin
->w_cursor
.lnum
= pos
->lnum
;
803 newindent
= get_indent();
804 ptr
= ml_get_curline();
808 * If last character is '{' do indent, without
809 * checking for "if" and the like.
811 if (last_char
== '{')
813 did_si
= TRUE
; /* do indent */
814 no_si
= TRUE
; /* don't delete it when '{' typed */
817 * Look for "if" and the like, use 'cinwords'.
818 * Don't do this if the previous line ended in ';' or
821 else if (last_char
!= ';' && last_char
!= '}'
822 && cin_is_cinword(ptr
))
826 else /* dir == BACKWARD */
829 * Skip preprocessor directives, unless they are
830 * recognised as comments.
833 # ifdef FEAT_COMMENTS
838 int was_backslashed
= FALSE
;
840 while ((ptr
[0] == '#' || was_backslashed
) &&
841 curwin
->w_cursor
.lnum
< curbuf
->b_ml
.ml_line_count
)
843 if (*ptr
&& ptr
[STRLEN(ptr
) - 1] == '\\')
844 was_backslashed
= TRUE
;
846 was_backslashed
= FALSE
;
847 ptr
= ml_get(++curwin
->w_cursor
.lnum
);
850 newindent
= 0; /* Got to end of file */
852 newindent
= get_indent();
855 if (*p
== '}') /* if line starts with '}': do indent */
857 else /* can delete indent when '{' typed */
860 curwin
->w_cursor
= old_cursor
;
864 #endif /* FEAT_SMARTINDENT */
871 * Find out if the current line starts with a comment leader.
872 * This may then be inserted in front of the new line.
874 end_comment_pending
= NUL
;
875 if (flags
& OPENLINE_DO_COM
)
876 lead_len
= get_leader_len(saved_line
, &lead_flags
, dir
== BACKWARD
);
881 char_u
*lead_repl
= NULL
; /* replaces comment leader */
882 int lead_repl_len
= 0; /* length of *lead_repl */
883 char_u lead_middle
[COM_MAX_LEN
]; /* middle-comment string */
884 char_u lead_end
[COM_MAX_LEN
]; /* end-comment string */
885 char_u
*comment_end
= NULL
; /* where lead_end has been found */
886 int extra_space
= FALSE
; /* append extra space */
888 int require_blank
= FALSE
; /* requires blank after middle */
892 * If the comment leader has the start, middle or end flag, it may not
893 * be used or may be replaced with the middle leader.
895 for (p
= lead_flags
; *p
&& *p
!= ':'; ++p
)
899 require_blank
= TRUE
;
902 if (*p
== COM_START
|| *p
== COM_MIDDLE
)
908 * Doing "O" on a start of comment does not insert leader.
916 /* find start of middle part */
917 (void)copy_option_part(&p
, lead_middle
, COM_MAX_LEN
, ",");
918 require_blank
= FALSE
;
922 * Isolate the strings of the middle and end leader.
924 while (*p
&& p
[-1] != ':') /* find end of middle flags */
927 require_blank
= TRUE
;
930 (void)copy_option_part(&p
, lead_middle
, COM_MAX_LEN
, ",");
932 while (*p
&& p
[-1] != ':') /* find end of end flags */
934 /* Check whether we allow automatic ending of comments */
935 if (*p
== COM_AUTO_END
)
936 end_comment_pending
= -1; /* means we want to set it */
939 n
= copy_option_part(&p
, lead_end
, COM_MAX_LEN
, ",");
941 if (end_comment_pending
== -1) /* we can set it now */
942 end_comment_pending
= lead_end
[n
- 1];
945 * If the end of the comment is in the same line, don't use
946 * the comment leader.
950 for (p
= saved_line
+ lead_len
; *p
; ++p
)
951 if (STRNCMP(p
, lead_end
, n
) == 0)
960 * Doing "o" on a start of comment inserts the middle leader.
964 if (current_flag
== COM_START
)
966 lead_repl
= lead_middle
;
967 lead_repl_len
= (int)STRLEN(lead_middle
);
971 * If we have hit RETURN immediately after the start
972 * comment leader, then put a space after the middle
973 * comment leader on the next line.
975 if (!vim_iswhite(saved_line
[lead_len
- 1])
977 && (int)curwin
->w_cursor
.col
== lead_len
)
979 && saved_line
[lead_len
] == NUL
)
988 * Doing "o" on the end of a comment does not insert leader.
989 * Remember where the end is, might want to use it to find the
990 * start (for C-comments).
994 comment_end
= skipwhite(saved_line
);
1000 * Doing "O" on the end of a comment inserts the middle leader.
1001 * Find the string for the middle leader, searching backwards.
1003 while (p
> curbuf
->b_p_com
&& *p
!= ',')
1005 for (lead_repl
= p
; lead_repl
> curbuf
->b_p_com
1006 && lead_repl
[-1] != ':'; --lead_repl
)
1008 lead_repl_len
= (int)(p
- lead_repl
);
1010 /* We can probably always add an extra space when doing "O" on
1011 * the comment-end */
1014 /* Check whether we allow automatic ending of comments */
1015 for (p2
= p
; *p2
&& *p2
!= ':'; p2
++)
1017 if (*p2
== COM_AUTO_END
)
1018 end_comment_pending
= -1; /* means we want to set it */
1020 if (end_comment_pending
== -1)
1022 /* Find last character in end-comment string */
1023 while (*p2
&& *p2
!= ',')
1025 end_comment_pending
= p2
[-1];
1029 if (*p
== COM_FIRST
)
1032 * Comment leader for first line only: Don't repeat leader
1033 * when using "O", blank out leader when using "o".
1035 if (dir
== BACKWARD
)
1039 lead_repl
= (char_u
*)"";
1047 /* allocate buffer (may concatenate p_exta later) */
1048 leader
= alloc(lead_len
+ lead_repl_len
+ extra_space
+
1050 allocated
= leader
; /* remember to free it later */
1056 vim_strncpy(leader
, saved_line
, lead_len
);
1059 * Replace leader with lead_repl, right or left adjusted
1061 if (lead_repl
!= NULL
)
1066 for (p
= lead_flags
; *p
!= NUL
&& *p
!= ':'; )
1068 if (*p
== COM_RIGHT
|| *p
== COM_LEFT
)
1070 else if (VIM_ISDIGIT(*p
) || *p
== '-')
1071 off
= getdigits(&p
);
1075 if (c
== COM_RIGHT
) /* right adjusted leader */
1077 /* find last non-white in the leader to line up with */
1078 for (p
= leader
+ lead_len
- 1; p
> leader
1079 && vim_iswhite(*p
); --p
)
1084 /* Compute the length of the replaced characters in
1085 * screen characters, not bytes. */
1087 int repl_size
= vim_strnsize(lead_repl
,
1093 while (old_size
< repl_size
&& p
> leader
)
1095 mb_ptr_back(leader
, p
);
1096 old_size
+= ptr2cells(p
);
1098 l
= lead_repl_len
- (int)(endp
- p
);
1100 mch_memmove(endp
+ l
, endp
,
1101 (size_t)((leader
+ lead_len
) - endp
));
1105 if (p
< leader
+ lead_repl_len
)
1110 mch_memmove(p
, lead_repl
, (size_t)lead_repl_len
);
1111 if (p
+ lead_repl_len
> leader
+ lead_len
)
1112 p
[lead_repl_len
] = NUL
;
1114 /* blank-out any other chars from the old leader. */
1115 while (--p
>= leader
)
1118 int l
= mb_head_off(leader
, p
);
1123 if (ptr2cells(p
) > 1)
1128 mch_memmove(p
+ 1, p
+ l
+ 1,
1129 (size_t)((leader
+ lead_len
) - (p
+ l
+ 1)));
1135 if (!vim_iswhite(*p
))
1139 else /* left adjusted leader */
1141 p
= skipwhite(leader
);
1143 /* Compute the length of the replaced characters in
1144 * screen characters, not bytes. Move the part that is
1145 * not to be overwritten. */
1147 int repl_size
= vim_strnsize(lead_repl
,
1152 for (i
= 0; p
[i
] != NUL
&& i
< lead_len
; i
+= l
)
1154 l
= (*mb_ptr2len
)(p
+ i
);
1155 if (vim_strnsize(p
, i
+ l
) > repl_size
)
1158 if (i
!= lead_repl_len
)
1160 mch_memmove(p
+ lead_repl_len
, p
+ i
,
1161 (size_t)(lead_len
- i
- (p
- leader
)));
1162 lead_len
+= lead_repl_len
- i
;
1166 mch_memmove(p
, lead_repl
, (size_t)lead_repl_len
);
1168 /* Replace any remaining non-white chars in the old
1169 * leader by spaces. Keep Tabs, the indent must
1170 * remain the same. */
1171 for (p
+= lead_repl_len
; p
< leader
+ lead_len
; ++p
)
1172 if (!vim_iswhite(*p
))
1174 /* Don't put a space before a TAB. */
1175 if (p
+ 1 < leader
+ lead_len
&& p
[1] == TAB
)
1178 mch_memmove(p
, p
+ 1,
1179 (leader
+ lead_len
) - p
);
1184 int l
= (*mb_ptr2len
)(p
);
1188 if (ptr2cells(p
) > 1)
1190 /* Replace a double-wide char with
1195 mch_memmove(p
+ 1, p
+ l
,
1196 (leader
+ lead_len
) - p
);
1206 /* Recompute the indent, it may have changed. */
1208 #ifdef FEAT_SMARTINDENT
1212 newindent
= get_indent_str(leader
, (int)curbuf
->b_p_ts
);
1214 /* Add the indent offset */
1215 if (newindent
+ off
< 0)
1223 /* Correct trailing spaces for the shift, so that
1224 * alignment remains equal. */
1225 while (off
> 0 && lead_len
> 0
1226 && leader
[lead_len
- 1] == ' ')
1228 /* Don't do it when there is a tab before the space */
1229 if (vim_strchr(skipwhite(leader
), '\t') != NULL
)
1235 /* If the leader ends in white space, don't add an
1237 if (lead_len
> 0 && vim_iswhite(leader
[lead_len
- 1]))
1238 extra_space
= FALSE
;
1239 leader
[lead_len
] = NUL
;
1244 leader
[lead_len
++] = ' ';
1245 leader
[lead_len
] = NUL
;
1251 * if a new indent will be set below, remove the indent that
1252 * is in the comment leader
1255 #ifdef FEAT_SMARTINDENT
1260 while (lead_len
&& vim_iswhite(*leader
))
1269 #ifdef FEAT_SMARTINDENT
1270 did_si
= can_si
= FALSE
;
1273 else if (comment_end
!= NULL
)
1276 * We have finished a comment, so we don't use the leader.
1277 * If this was a C-comment and 'ai' or 'si' is set do a normal
1278 * indent to align with the line containing the start of the
1281 if (comment_end
[0] == '*' && comment_end
[1] == '/' &&
1283 #ifdef FEAT_SMARTINDENT
1288 old_cursor
= curwin
->w_cursor
;
1289 curwin
->w_cursor
.col
= (colnr_T
)(comment_end
- saved_line
);
1290 if ((pos
= findmatch(NULL
, NUL
)) != NULL
)
1292 curwin
->w_cursor
.lnum
= pos
->lnum
;
1293 newindent
= get_indent();
1295 curwin
->w_cursor
= old_cursor
;
1301 /* (State == INSERT || State == REPLACE), only when dir == FORWARD */
1302 if (p_extra
!= NULL
)
1304 *p_extra
= saved_char
; /* restore char that NUL replaced */
1307 * When 'ai' set or "flags" has OPENLINE_DELSPACES, skip to the first
1310 * When in REPLACE mode, put the deleted blanks on the replace stack,
1311 * preceded by a NUL, so they can be put back when a BS is entered.
1313 if (REPLACE_NORMAL(State
))
1314 replace_push(NUL
); /* end of extra blanks */
1315 if (curbuf
->b_p_ai
|| (flags
& OPENLINE_DELSPACES
))
1317 while ((*p_extra
== ' ' || *p_extra
== '\t')
1320 || !utf_iscomposing(utf_ptr2char(p_extra
+ 1)))
1324 if (REPLACE_NORMAL(State
))
1325 replace_push(*p_extra
);
1330 if (*p_extra
!= NUL
)
1331 did_ai
= FALSE
; /* append some text, don't truncate now */
1333 /* columns for marks adjusted for removed columns */
1334 less_cols
= (int)(p_extra
- saved_line
);
1337 if (p_extra
== NULL
)
1338 p_extra
= (char_u
*)""; /* append empty line */
1340 #ifdef FEAT_COMMENTS
1341 /* concatenate leader and p_extra, if there is a leader */
1344 STRCAT(leader
, p_extra
);
1346 did_ai
= TRUE
; /* So truncating blanks works with comments */
1347 less_cols
-= lead_len
;
1350 end_comment_pending
= NUL
; /* turns out there was no leader */
1353 old_cursor
= curwin
->w_cursor
;
1354 if (dir
== BACKWARD
)
1355 --curwin
->w_cursor
.lnum
;
1356 #ifdef FEAT_VREPLACE
1357 if (!(State
& VREPLACE_FLAG
) || old_cursor
.lnum
>= orig_line_count
)
1360 if (ml_append(curwin
->w_cursor
.lnum
, p_extra
, (colnr_T
)0, FALSE
)
1363 /* Postpone calling changed_lines(), because it would mess up folding
1365 mark_adjust(curwin
->w_cursor
.lnum
+ 1, (linenr_T
)MAXLNUM
, 1L, 0L);
1368 #ifdef FEAT_VREPLACE
1372 * In VREPLACE mode we are starting to replace the next line.
1374 curwin
->w_cursor
.lnum
++;
1375 if (curwin
->w_cursor
.lnum
>= Insstart
.lnum
+ vr_lines_changed
)
1377 /* In case we NL to a new line, BS to the previous one, and NL
1378 * again, we don't want to save the new line for undo twice.
1380 (void)u_save_cursor(); /* errors are ignored! */
1383 ml_replace(curwin
->w_cursor
.lnum
, p_extra
, TRUE
);
1384 changed_bytes(curwin
->w_cursor
.lnum
, 0);
1385 curwin
->w_cursor
.lnum
--;
1391 #ifdef FEAT_SMARTINDENT
1396 ++curwin
->w_cursor
.lnum
;
1397 #ifdef FEAT_SMARTINDENT
1401 newindent
-= newindent
% (int)curbuf
->b_p_sw
;
1402 newindent
+= (int)curbuf
->b_p_sw
;
1405 /* Copy the indent */
1408 (void)copy_indent(newindent
, saved_line
);
1411 * Set the 'preserveindent' option so that any further screwing
1412 * with the line doesn't entirely destroy our efforts to preserve
1413 * it. It gets restored at the function end.
1415 curbuf
->b_p_pi
= TRUE
;
1418 (void)set_indent(newindent
, SIN_INSERT
);
1419 less_cols
-= curwin
->w_cursor
.col
;
1421 ai_col
= curwin
->w_cursor
.col
;
1424 * In REPLACE mode, for each character in the new indent, there must
1425 * be a NUL on the replace stack, for when it is deleted with BS
1427 if (REPLACE_NORMAL(State
))
1428 for (n
= 0; n
< (int)curwin
->w_cursor
.col
; ++n
)
1430 newcol
+= curwin
->w_cursor
.col
;
1431 #ifdef FEAT_SMARTINDENT
1437 #ifdef FEAT_COMMENTS
1439 * In REPLACE mode, for each character in the extra leader, there must be
1440 * a NUL on the replace stack, for when it is deleted with BS.
1442 if (REPLACE_NORMAL(State
))
1443 while (lead_len
-- > 0)
1447 curwin
->w_cursor
= old_cursor
;
1451 if (trunc_line
|| (State
& INSERT
))
1453 /* truncate current line at cursor */
1454 saved_line
[curwin
->w_cursor
.col
] = NUL
;
1455 /* Remove trailing white space, unless OPENLINE_KEEPTRAIL used. */
1456 if (trunc_line
&& !(flags
& OPENLINE_KEEPTRAIL
))
1457 truncate_spaces(saved_line
);
1458 ml_replace(curwin
->w_cursor
.lnum
, saved_line
, FALSE
);
1462 changed_lines(curwin
->w_cursor
.lnum
, curwin
->w_cursor
.col
,
1463 curwin
->w_cursor
.lnum
+ 1, 1L);
1466 /* Move marks after the line break to the new line. */
1467 if (flags
& OPENLINE_MARKFIX
)
1468 mark_col_adjust(curwin
->w_cursor
.lnum
,
1469 curwin
->w_cursor
.col
+ less_cols_off
,
1470 1L, (long)-less_cols
);
1473 changed_bytes(curwin
->w_cursor
.lnum
, curwin
->w_cursor
.col
);
1477 * Put the cursor on the new line. Careful: the scrollup() above may
1478 * have moved w_cursor, we must use old_cursor.
1480 curwin
->w_cursor
.lnum
= old_cursor
.lnum
+ 1;
1483 changed_lines(curwin
->w_cursor
.lnum
, 0, curwin
->w_cursor
.lnum
, 1L);
1485 curwin
->w_cursor
.col
= newcol
;
1486 #ifdef FEAT_VIRTUALEDIT
1487 curwin
->w_cursor
.coladd
= 0;
1490 #if defined(FEAT_VREPLACE) && (defined(FEAT_LISP) || defined(FEAT_CINDENT))
1492 * In VREPLACE mode, we are handling the replace stack ourselves, so stop
1493 * fixthisline() from doing it (via change_indent()) by telling it we're in
1494 * normal INSERT mode.
1496 if (State
& VREPLACE_FLAG
)
1498 vreplace_mode
= State
; /* So we know to put things right later */
1506 * May do lisp indenting.
1509 # ifdef FEAT_COMMENTS
1515 fixthisline(get_lisp_indent
);
1516 p
= ml_get_curline();
1517 ai_col
= (colnr_T
)(skipwhite(p
) - p
);
1522 * May do indenting after opening a new line.
1527 || *curbuf
->b_p_inde
!= NUL
1530 && in_cinkeys(dir
== FORWARD
1532 : KEY_OPEN_BACK
, ' ', linewhite(curwin
->w_cursor
.lnum
)))
1535 p
= ml_get_curline();
1536 ai_col
= (colnr_T
)(skipwhite(p
) - p
);
1539 #if defined(FEAT_VREPLACE) && (defined(FEAT_LISP) || defined(FEAT_CINDENT))
1540 if (vreplace_mode
!= 0)
1541 State
= vreplace_mode
;
1544 #ifdef FEAT_VREPLACE
1546 * Finally, VREPLACE gets the stuff on the new line, then puts back the
1547 * original line, and inserts the new stuff char by char, pushing old stuff
1548 * onto the replace stack (via ins_char()).
1550 if (State
& VREPLACE_FLAG
)
1552 /* Put new line in p_extra */
1553 p_extra
= vim_strsave(ml_get_curline());
1554 if (p_extra
== NULL
)
1557 /* Put back original line */
1558 ml_replace(curwin
->w_cursor
.lnum
, next_line
, FALSE
);
1560 /* Insert new stuff into line again */
1561 curwin
->w_cursor
.col
= 0;
1562 #ifdef FEAT_VIRTUALEDIT
1563 curwin
->w_cursor
.coladd
= 0;
1565 ins_bytes(p_extra
); /* will call changed_bytes() */
1571 retval
= TRUE
; /* success! */
1573 curbuf
->b_p_pi
= saved_pi
;
1574 vim_free(saved_line
);
1575 vim_free(next_line
);
1576 vim_free(allocated
);
1580 #if defined(FEAT_COMMENTS) || defined(PROTO)
1582 * get_leader_len() returns the length of the prefix of the given string
1583 * which introduces a comment. If this string is not a comment then 0 is
1585 * When "flags" is not NULL, it is set to point to the flags of the recognized
1587 * "backward" must be true for the "O" command.
1590 get_leader_len(line
, flags
, backward
)
1596 int got_com
= FALSE
;
1598 char_u part_buf
[COM_MAX_LEN
]; /* buffer for one option part */
1599 char_u
*string
; /* pointer to comment string */
1603 while (vim_iswhite(line
[i
])) /* leading white space is ignored */
1607 * Repeat to match several nested comment strings.
1612 * scan through the 'comments' option for a match
1615 for (list
= curbuf
->b_p_com
; *list
; )
1618 * Get one option part into part_buf[]. Advance list to next one.
1619 * put string at start of string.
1621 if (!got_com
&& flags
!= NULL
) /* remember where flags started */
1623 (void)copy_option_part(&list
, part_buf
, COM_MAX_LEN
, ",");
1624 string
= vim_strchr(part_buf
, ':');
1625 if (string
== NULL
) /* missing ':', ignore this part */
1627 *string
++ = NUL
; /* isolate flags from string */
1630 * When already found a nested comment, only accept further
1633 if (got_com
&& vim_strchr(part_buf
, COM_NEST
) == NULL
)
1636 /* When 'O' flag used don't use for "O" command */
1637 if (backward
&& vim_strchr(part_buf
, COM_NOBACK
) != NULL
)
1641 * Line contents and string must match.
1642 * When string starts with white space, must have some white space
1643 * (but the amount does not need to match, there might be a mix of
1646 if (vim_iswhite(string
[0]))
1648 if (i
== 0 || !vim_iswhite(line
[i
- 1]))
1650 while (vim_iswhite(string
[0]))
1653 for (j
= 0; string
[j
] != NUL
&& string
[j
] == line
[i
+ j
]; ++j
)
1655 if (string
[j
] != NUL
)
1659 * When 'b' flag used, there must be white space or an
1660 * end-of-line after the string in the line.
1662 if (vim_strchr(part_buf
, COM_BLANK
) != NULL
1663 && !vim_iswhite(line
[i
+ j
]) && line
[i
+ j
] != NUL
)
1667 * We have found a match, stop searching.
1676 * No match found, stop scanning.
1682 * Include any trailing white space.
1684 while (vim_iswhite(line
[i
]))
1688 * If this comment doesn't nest, stop here.
1690 if (vim_strchr(part_buf
, COM_NEST
) == NULL
)
1693 return (got_com
? i
: 0);
1698 * Return the number of window lines occupied by buffer line "lnum".
1704 return plines_win(curwin
, lnum
, TRUE
);
1708 plines_win(wp
, lnum
, winheight
)
1711 int winheight
; /* when TRUE limit to window height */
1713 #if defined(FEAT_DIFF) || defined(PROTO)
1714 /* Check for filler lines above this buffer line. When folded the result
1715 * is one line anyway. */
1716 return plines_win_nofill(wp
, lnum
, winheight
) + diff_check_fill(wp
, lnum
);
1723 return plines_win_nofill(curwin
, lnum
, TRUE
);
1727 plines_win_nofill(wp
, lnum
, winheight
)
1730 int winheight
; /* when TRUE limit to window height */
1738 #ifdef FEAT_VERTSPLIT
1739 if (wp
->w_width
== 0)
1744 /* A folded lines is handled just like an empty line. */
1745 /* NOTE: Caller must handle lines that are MAYBE folded. */
1746 if (lineFolded(wp
, lnum
) == TRUE
)
1750 lines
= plines_win_nofold(wp
, lnum
);
1751 if (winheight
> 0 && lines
> wp
->w_height
)
1752 return (int)wp
->w_height
;
1757 * Return number of window lines physical line "lnum" will occupy in window
1758 * "wp". Does not care about folding, 'wrap' or 'diff'.
1761 plines_win_nofold(wp
, lnum
)
1769 s
= ml_get_buf(wp
->w_buffer
, lnum
, FALSE
);
1770 if (*s
== NUL
) /* empty line */
1772 col
= win_linetabsize(wp
, s
, (colnr_T
)MAXCOL
, lnum
);
1775 * If list mode is on, then the '$' at the end of the line may take up one
1778 if (wp
->w_p_list
&& lcs_eol
!= NUL
)
1782 * Add column offset for 'number' and 'foldcolumn'.
1784 width
= W_WIDTH(wp
) - win_col_off(wp
);
1790 width
+= win_col_off2(wp
);
1791 return (col
+ (width
- 1)) / width
+ 1;
1795 * Like plines_win(), but only reports the number of physical screen lines
1796 * used from the start of the line to the given column number.
1799 plines_win_col(wp
, lnum
, column
)
1810 /* Check for filler lines above this buffer line. When folded the result
1811 * is one line anyway. */
1812 lines
= diff_check_fill(wp
, lnum
);
1818 #ifdef FEAT_VERTSPLIT
1819 if (wp
->w_width
== 0)
1823 s
= ml_get_buf(wp
->w_buffer
, lnum
, FALSE
);
1826 while (*s
!= NUL
&& --column
>= 0)
1828 col
+= win_lbr_chartabsize(wp
, s
, (colnr_T
)col
, NULL
, lnum
);
1833 * If *s is a TAB, and the TAB is not displayed as ^I, and we're not in
1834 * INSERT mode, then col must be adjusted so that it represents the last
1835 * screen position of the TAB. This only fixes an error when the TAB wraps
1836 * from one screen line to the next (when 'columns' is not a multiple of
1839 if (*s
== TAB
&& (State
& NORMAL
) && (!wp
->w_p_list
|| lcs_tab1
))
1840 col
+= win_lbr_chartabsize(wp
, s
, (colnr_T
)col
, NULL
, lnum
) - 1;
1843 * Add column offset for 'number', 'foldcolumn', etc.
1845 width
= W_WIDTH(wp
) - win_col_off(wp
);
1851 lines
+= (col
- width
) / (width
+ win_col_off2(wp
)) + 1;
1856 plines_m_win(wp
, first
, last
)
1858 linenr_T first
, last
;
1862 while (first
<= last
)
1867 /* Check if there are any really folded lines, but also included lines
1868 * that are maybe folded. */
1869 x
= foldedCount(wp
, first
, NULL
);
1872 ++count
; /* count 1 for "+-- folded" line */
1879 if (first
== wp
->w_topline
)
1880 count
+= plines_win_nofill(wp
, first
, TRUE
) + wp
->w_topfill
;
1883 count
+= plines_win(wp
, first
, TRUE
);
1890 #if defined(FEAT_VREPLACE) || defined(FEAT_INS_EXPAND) || defined(PROTO)
1892 * Insert string "p" at the cursor position. Stops at a NUL byte.
1893 * Handles Replace mode and multi-byte characters.
1899 ins_bytes_len(p
, (int)STRLEN(p
));
1903 #if defined(FEAT_VREPLACE) || defined(FEAT_INS_EXPAND) \
1904 || defined(FEAT_COMMENTS) || defined(FEAT_MBYTE) || defined(PROTO)
1906 * Insert string "p" with length "len" at the cursor position.
1907 * Handles Replace mode and multi-byte characters.
1910 ins_bytes_len(p
, len
)
1919 for (i
= 0; i
< len
; i
+= n
)
1922 /* avoid reading past p[len] */
1923 n
= utfc_ptr2len_len(p
+ i
, len
- i
);
1925 n
= (*mb_ptr2len
)(p
+ i
);
1926 ins_char_bytes(p
+ i
, n
);
1930 for (i
= 0; i
< len
; ++i
)
1936 * Insert or replace a single character at the cursor position.
1937 * When in REPLACE or VREPLACE mode, replace any existing character.
1938 * Caller must have prepared for undo.
1939 * For multi-byte characters we get the whole character, the caller must
1940 * convert bytes to a character.
1946 #if defined(FEAT_MBYTE) || defined(PROTO)
1947 char_u buf
[MB_MAXBYTES
];
1950 n
= (*mb_char2bytes
)(c
, buf
);
1952 /* When "c" is 0x100, 0x200, etc. we don't want to insert a NUL byte.
1953 * Happens for CTRL-Vu9900. */
1957 ins_char_bytes(buf
, n
);
1961 ins_char_bytes(buf
, charlen
)
1967 int newlen
; /* nr of bytes inserted */
1968 int oldlen
; /* nr of bytes deleted (0 when not replacing) */
1972 int linelen
; /* length of old line including NUL */
1974 linenr_T lnum
= curwin
->w_cursor
.lnum
;
1977 #ifdef FEAT_VIRTUALEDIT
1978 /* Break tabs if needed. */
1979 if (virtual_active() && curwin
->w_cursor
.coladd
> 0)
1980 coladvance_force(getviscol());
1983 col
= curwin
->w_cursor
.col
;
1984 oldp
= ml_get(lnum
);
1985 linelen
= (int)STRLEN(oldp
) + 1;
1987 /* The lengths default to the values for when not replacing. */
1995 if (State
& REPLACE_FLAG
)
1997 #ifdef FEAT_VREPLACE
1998 if (State
& VREPLACE_FLAG
)
2000 colnr_T new_vcol
= 0; /* init for GCC */
2008 * Disable 'list' temporarily, unless 'cpo' contains the 'L' flag.
2009 * Returns the old value of list, so when finished,
2010 * curwin->w_p_list should be set back to this.
2012 old_list
= curwin
->w_p_list
;
2013 if (old_list
&& vim_strchr(p_cpo
, CPO_LISTWM
) == NULL
)
2014 curwin
->w_p_list
= FALSE
;
2017 * In virtual replace mode each character may replace one or more
2018 * characters (zero if it's a TAB). Count the number of bytes to
2019 * be deleted to make room for the new character, counting screen
2020 * cells. May result in adding spaces to fill a gap.
2022 getvcol(curwin
, &curwin
->w_cursor
, NULL
, &vcol
, NULL
);
2027 new_vcol
= vcol
+ chartabsize(buf
, vcol
);
2028 while (oldp
[col
+ oldlen
] != NUL
&& vcol
< new_vcol
)
2030 vcol
+= chartabsize(oldp
+ col
+ oldlen
, vcol
);
2031 /* Don't need to remove a TAB that takes us to the right
2033 if (vcol
> new_vcol
&& oldp
[col
+ oldlen
] == TAB
)
2036 oldlen
+= (*mb_ptr2len
)(oldp
+ col
+ oldlen
);
2040 /* Deleted a bit too much, insert spaces. */
2041 if (vcol
> new_vcol
)
2042 newlen
+= vcol
- new_vcol
;
2044 curwin
->w_p_list
= old_list
;
2048 if (oldp
[col
] != NUL
)
2050 /* normal replace */
2052 oldlen
= (*mb_ptr2len
)(oldp
+ col
);
2059 /* Push the replaced bytes onto the replace stack, so that they can be
2060 * put back when BS is used. The bytes of a multi-byte character are
2061 * done the other way around, so that the first byte is popped off
2062 * first (it tells the byte length of the character). */
2064 for (i
= 0; i
< oldlen
; ++i
)
2068 i
+= replace_push_mb(oldp
+ col
+ i
) - 1;
2071 replace_push(oldp
[col
+ i
]);
2075 newp
= alloc_check((unsigned)(linelen
+ newlen
- oldlen
));
2079 /* Copy bytes before the cursor. */
2081 mch_memmove(newp
, oldp
, (size_t)col
);
2083 /* Copy bytes after the changed character(s). */
2085 mch_memmove(p
+ newlen
, oldp
+ col
+ oldlen
,
2086 (size_t)(linelen
- col
- oldlen
));
2088 /* Insert or overwrite the new character. */
2090 mch_memmove(p
, buf
, charlen
);
2097 /* Fill with spaces when necessary. */
2101 /* Replace the line in the buffer. */
2102 ml_replace(lnum
, newp
, FALSE
);
2104 /* mark the buffer as changed and prepare for displaying */
2105 changed_bytes(lnum
, col
);
2108 * If we're in Insert or Replace mode and 'showmatch' is set, then briefly
2109 * show the match for right parens and braces.
2111 if (p_sm
&& (State
& INSERT
)
2116 #ifdef FEAT_INS_EXPAND
2117 && !ins_compl_active()
2122 #ifdef FEAT_RIGHTLEFT
2123 if (!p_ri
|| (State
& REPLACE_FLAG
))
2126 /* Normal insert: move cursor right */
2128 curwin
->w_cursor
.col
+= charlen
;
2130 ++curwin
->w_cursor
.col
;
2134 * TODO: should try to update w_row here, to avoid recomputing it later.
2139 * Insert a string at the cursor position.
2140 * Note: Does NOT handle Replace mode.
2141 * Caller must have prepared for undo.
2147 char_u
*oldp
, *newp
;
2148 int newlen
= (int)STRLEN(s
);
2151 linenr_T lnum
= curwin
->w_cursor
.lnum
;
2153 #ifdef FEAT_VIRTUALEDIT
2154 if (virtual_active() && curwin
->w_cursor
.coladd
> 0)
2155 coladvance_force(getviscol());
2158 col
= curwin
->w_cursor
.col
;
2159 oldp
= ml_get(lnum
);
2160 oldlen
= (int)STRLEN(oldp
);
2162 newp
= alloc_check((unsigned)(oldlen
+ newlen
+ 1));
2166 mch_memmove(newp
, oldp
, (size_t)col
);
2167 mch_memmove(newp
+ col
, s
, (size_t)newlen
);
2168 mch_memmove(newp
+ col
+ newlen
, oldp
+ col
, (size_t)(oldlen
- col
+ 1));
2169 ml_replace(lnum
, newp
, FALSE
);
2170 changed_bytes(lnum
, col
);
2171 curwin
->w_cursor
.col
+= newlen
;
2175 * Delete one character under the cursor.
2176 * If "fixpos" is TRUE, don't leave the cursor on the NUL after the line.
2177 * Caller must have prepared for undo.
2179 * return FAIL for failure, OK otherwise
2188 /* Make sure the cursor is at the start of a character. */
2190 if (*ml_get_cursor() == NUL
)
2192 return del_chars(1L, fixpos
);
2195 return del_bytes(1L, fixpos
, TRUE
);
2198 #if defined(FEAT_MBYTE) || defined(PROTO)
2200 * Like del_bytes(), but delete characters instead of bytes.
2203 del_chars(count
, fixpos
)
2212 p
= ml_get_cursor();
2213 for (i
= 0; i
< count
&& *p
!= NUL
; ++i
)
2215 l
= (*mb_ptr2len
)(p
);
2219 return del_bytes(bytes
, fixpos
, TRUE
);
2224 * Delete "count" bytes under the cursor.
2225 * If "fixpos" is TRUE, don't leave the cursor on the NUL after the line.
2226 * Caller must have prepared for undo.
2228 * return FAIL for failure, OK otherwise
2231 del_bytes(count
, fixpos_arg
, use_delcombine
)
2234 int use_delcombine UNUSED
; /* 'delcombine' option applies */
2236 char_u
*oldp
, *newp
;
2238 linenr_T lnum
= curwin
->w_cursor
.lnum
;
2239 colnr_T col
= curwin
->w_cursor
.col
;
2242 int fixpos
= fixpos_arg
;
2244 oldp
= ml_get(lnum
);
2245 oldlen
= (int)STRLEN(oldp
);
2248 * Can't do anything when the cursor is on the NUL after the line.
2254 /* If 'delcombine' is set and deleting (less than) one character, only
2255 * delete the last combining character. */
2256 if (p_deco
&& use_delcombine
&& enc_utf8
2257 && utfc_ptr2len(oldp
+ col
) >= count
)
2262 (void)utfc_ptr2char(oldp
+ col
, cc
);
2265 /* Find the last composing char, there can be several. */
2270 count
= utf_ptr2len(oldp
+ n
);
2272 } while (UTF_COMPOSINGLIKE(oldp
+ col
, oldp
+ n
));
2279 * When count is too big, reduce it.
2281 movelen
= (long)oldlen
- (long)col
- count
+ 1; /* includes trailing NUL */
2285 * If we just took off the last character of a non-blank line, and
2286 * fixpos is TRUE, we don't want to end up positioned at the NUL,
2287 * unless "restart_edit" is set or 'virtualedit' contains "onemore".
2289 if (col
> 0 && fixpos
&& restart_edit
== 0
2290 #ifdef FEAT_VIRTUALEDIT
2291 && (ve_flags
& VE_ONEMORE
) == 0
2295 --curwin
->w_cursor
.col
;
2296 #ifdef FEAT_VIRTUALEDIT
2297 curwin
->w_cursor
.coladd
= 0;
2301 curwin
->w_cursor
.col
-=
2302 (*mb_head_off
)(oldp
, oldp
+ curwin
->w_cursor
.col
);
2305 count
= oldlen
- col
;
2310 * If the old line has been allocated the deletion can be done in the
2311 * existing line. Otherwise a new line has to be allocated
2312 * Can't do this when using Netbeans, because we would need to invoke
2313 * netbeans_removed(), which deallocates the line. Let ml_replace() take
2314 * care of notifiying Netbeans.
2316 #ifdef FEAT_NETBEANS_INTG
2318 was_alloced
= FALSE
;
2321 was_alloced
= ml_line_alloced(); /* check if oldp was allocated */
2323 newp
= oldp
; /* use same allocated memory */
2325 { /* need to allocate a new line */
2326 newp
= alloc((unsigned)(oldlen
+ 1 - count
));
2329 mch_memmove(newp
, oldp
, (size_t)col
);
2331 mch_memmove(newp
+ col
, oldp
+ col
+ count
, (size_t)movelen
);
2333 ml_replace(lnum
, newp
, FALSE
);
2335 /* mark the buffer as changed and prepare for displaying */
2336 changed_bytes(lnum
, curwin
->w_cursor
.col
);
2342 * Delete from cursor to end of line.
2343 * Caller must have prepared for undo.
2345 * return FAIL for failure, OK otherwise
2348 truncate_line(fixpos
)
2349 int fixpos
; /* if TRUE fix the cursor position when done */
2352 linenr_T lnum
= curwin
->w_cursor
.lnum
;
2353 colnr_T col
= curwin
->w_cursor
.col
;
2356 newp
= vim_strsave((char_u
*)"");
2358 newp
= vim_strnsave(ml_get(lnum
), col
);
2363 ml_replace(lnum
, newp
, FALSE
);
2365 /* mark the buffer as changed and prepare for displaying */
2366 changed_bytes(lnum
, curwin
->w_cursor
.col
);
2369 * If "fixpos" is TRUE we don't want to end up positioned at the NUL.
2371 if (fixpos
&& curwin
->w_cursor
.col
> 0)
2372 --curwin
->w_cursor
.col
;
2378 * Delete "nlines" lines at the cursor.
2379 * Saves the lines for undo first if "undo" is TRUE.
2382 del_lines(nlines
, undo
)
2383 long nlines
; /* number of lines to delete */
2384 int undo
; /* if TRUE, prepare for undo */
2387 linenr_T first
= curwin
->w_cursor
.lnum
;
2392 /* save the deleted lines for undo */
2393 if (undo
&& u_savedel(first
, nlines
) == FAIL
)
2396 for (n
= 0; n
< nlines
; )
2398 if (curbuf
->b_ml
.ml_flags
& ML_EMPTY
) /* nothing to delete */
2401 ml_delete(first
, TRUE
);
2404 /* If we delete the last line in the file, stop */
2405 if (first
> curbuf
->b_ml
.ml_line_count
)
2409 /* Correct the cursor position before calling deleted_lines_mark(), it may
2410 * trigger a callback to display the cursor. */
2411 curwin
->w_cursor
.col
= 0;
2412 check_cursor_lnum();
2414 /* adjust marks, mark the buffer as changed and prepare for displaying */
2415 deleted_lines_mark(first
, n
);
2422 char_u
*ptr
= ml_get_pos(pos
);
2426 return (*mb_ptr2char
)(ptr
);
2436 return (*mb_ptr2char
)(ml_get_cursor());
2438 return (int)*ml_get_cursor();
2442 * Write a character at the current cursor position.
2443 * It is directly written into the block.
2449 *(ml_get_buf(curbuf
, curwin
->w_cursor
.lnum
, TRUE
)
2450 + curwin
->w_cursor
.col
) = c
;
2453 #if 0 /* not used */
2455 * Put *pos at end of current buffer
2463 pos
->lnum
= curbuf
->b_ml
.ml_line_count
;
2465 p
= ml_get(pos
->lnum
);
2472 * When extra == 0: Return TRUE if the cursor is before or on the first
2473 * non-blank in the line.
2474 * When extra == 1: Return TRUE if the cursor is before the first non-blank in
2484 for (col
= 0, ptr
= ml_get_curline(); vim_iswhite(*ptr
); ++col
)
2486 if (col
>= curwin
->w_cursor
.col
+ extra
)
2493 * Skip to next part of an option argument: Skip space and comma.
2496 skip_to_option_part(p
)
2507 * changed() is called when something in the current buffer is changed.
2509 * Most often called through changed_bytes() and changed_lines(), which also
2510 * mark the area of the display to be redrawn.
2515 #if defined(FEAT_XIM) && defined(FEAT_GUI_GTK)
2516 /* The text of the preediting area is inserted, but this doesn't
2517 * mean a change of the buffer yet. That is delayed until the
2518 * text is committed. (this means preedit becomes empty) */
2519 if (im_is_preediting() && !xim_changed_while_preediting
)
2521 xim_changed_while_preediting
= FALSE
;
2524 if (!curbuf
->b_changed
)
2526 int save_msg_scroll
= msg_scroll
;
2528 /* Give a warning about changing a read-only file. This may also
2529 * check-out the file, thus change "curbuf"! */
2532 /* Create a swap file if that is wanted.
2533 * Don't do this for "nofile" and "nowrite" buffer types. */
2534 if (curbuf
->b_may_swap
2535 #ifdef FEAT_QUICKFIX
2536 && !bt_dontwrite(curbuf
)
2540 ml_open_file(curbuf
);
2542 /* The ml_open_file() can cause an ATTENTION message.
2543 * Wait two seconds, to make sure the user reads this unexpected
2544 * message. Since we could be anywhere, call wait_return() now,
2545 * and don't let the emsg() set msg_scroll. */
2546 if (need_wait_return
&& emsg_silent
== 0)
2549 ui_delay(2000L, TRUE
);
2551 msg_scroll
= save_msg_scroll
;
2554 curbuf
->b_changed
= TRUE
;
2555 ml_setflags(curbuf
);
2557 check_status(curbuf
);
2558 redraw_tabline
= TRUE
;
2561 need_maketitle
= TRUE
; /* set window title later */
2564 ++curbuf
->b_changedtick
;
2567 static void changedOneline
__ARGS((buf_T
*buf
, linenr_T lnum
));
2568 static void changed_lines_buf
__ARGS((buf_T
*buf
, linenr_T lnum
, linenr_T lnume
, long xtra
));
2569 static void changed_common
__ARGS((linenr_T lnum
, colnr_T col
, linenr_T lnume
, long xtra
));
2572 * Changed bytes within a single line for the current buffer.
2573 * - marks the windows on this buffer to be redisplayed
2574 * - marks the buffer changed by calling changed()
2575 * - invalidates cached values
2578 changed_bytes(lnum
, col
)
2582 changedOneline(curbuf
, lnum
);
2583 changed_common(lnum
, col
, lnum
+ 1, 0L);
2586 /* Diff highlighting in other diff windows may need to be updated too. */
2587 if (curwin
->w_p_diff
)
2592 for (wp
= firstwin
; wp
!= NULL
; wp
= wp
->w_next
)
2593 if (wp
->w_p_diff
&& wp
!= curwin
)
2595 redraw_win_later(wp
, VALID
);
2596 wlnum
= diff_lnum_win(lnum
, wp
);
2598 changedOneline(wp
->w_buffer
, wlnum
);
2605 changedOneline(buf
, lnum
)
2611 /* find the maximum area that must be redisplayed */
2612 if (lnum
< buf
->b_mod_top
)
2613 buf
->b_mod_top
= lnum
;
2614 else if (lnum
>= buf
->b_mod_bot
)
2615 buf
->b_mod_bot
= lnum
+ 1;
2619 /* set the area that must be redisplayed to one line */
2620 buf
->b_mod_set
= TRUE
;
2621 buf
->b_mod_top
= lnum
;
2622 buf
->b_mod_bot
= lnum
+ 1;
2623 buf
->b_mod_xlines
= 0;
2628 * Appended "count" lines below line "lnum" in the current buffer.
2629 * Must be called AFTER the change and after mark_adjust().
2630 * Takes care of marking the buffer to be redrawn and sets the changed flag.
2633 appended_lines(lnum
, count
)
2637 changed_lines(lnum
+ 1, 0, lnum
+ 1, count
);
2641 * Like appended_lines(), but adjust marks first.
2644 appended_lines_mark(lnum
, count
)
2648 mark_adjust(lnum
+ 1, (linenr_T
)MAXLNUM
, count
, 0L);
2649 changed_lines(lnum
+ 1, 0, lnum
+ 1, count
);
2653 * Deleted "count" lines at line "lnum" in the current buffer.
2654 * Must be called AFTER the change and after mark_adjust().
2655 * Takes care of marking the buffer to be redrawn and sets the changed flag.
2658 deleted_lines(lnum
, count
)
2662 changed_lines(lnum
, 0, lnum
+ count
, -count
);
2666 * Like deleted_lines(), but adjust marks first.
2667 * Make sure the cursor is on a valid line before calling, a GUI callback may
2668 * be triggered to display the cursor.
2671 deleted_lines_mark(lnum
, count
)
2675 mark_adjust(lnum
, (linenr_T
)(lnum
+ count
- 1), (long)MAXLNUM
, -count
);
2676 changed_lines(lnum
, 0, lnum
+ count
, -count
);
2680 * Changed lines for the current buffer.
2681 * Must be called AFTER the change and after mark_adjust().
2682 * - mark the buffer changed by calling changed()
2683 * - mark the windows on this buffer to be redisplayed
2684 * - invalidate cached values
2685 * "lnum" is the first line that needs displaying, "lnume" the first line
2686 * below the changed lines (BEFORE the change).
2687 * When only inserting lines, "lnum" and "lnume" are equal.
2688 * Takes care of calling changed() and updating b_mod_*.
2691 changed_lines(lnum
, col
, lnume
, xtra
)
2692 linenr_T lnum
; /* first line with change */
2693 colnr_T col
; /* column in first line with change */
2694 linenr_T lnume
; /* line below last changed line */
2695 long xtra
; /* number of extra lines (negative when deleting) */
2697 changed_lines_buf(curbuf
, lnum
, lnume
, xtra
);
2700 if (xtra
== 0 && curwin
->w_p_diff
)
2702 /* When the number of lines doesn't change then mark_adjust() isn't
2703 * called and other diff buffers still need to be marked for
2708 for (wp
= firstwin
; wp
!= NULL
; wp
= wp
->w_next
)
2709 if (wp
->w_p_diff
&& wp
!= curwin
)
2711 redraw_win_later(wp
, VALID
);
2712 wlnum
= diff_lnum_win(lnum
, wp
);
2714 changed_lines_buf(wp
->w_buffer
, wlnum
,
2715 lnume
- lnum
+ wlnum
, 0L);
2720 changed_common(lnum
, col
, lnume
, xtra
);
2724 changed_lines_buf(buf
, lnum
, lnume
, xtra
)
2726 linenr_T lnum
; /* first line with change */
2727 linenr_T lnume
; /* line below last changed line */
2728 long xtra
; /* number of extra lines (negative when deleting) */
2732 /* find the maximum area that must be redisplayed */
2733 if (lnum
< buf
->b_mod_top
)
2734 buf
->b_mod_top
= lnum
;
2735 if (lnum
< buf
->b_mod_bot
)
2737 /* adjust old bot position for xtra lines */
2738 buf
->b_mod_bot
+= xtra
;
2739 if (buf
->b_mod_bot
< lnum
)
2740 buf
->b_mod_bot
= lnum
;
2742 if (lnume
+ xtra
> buf
->b_mod_bot
)
2743 buf
->b_mod_bot
= lnume
+ xtra
;
2744 buf
->b_mod_xlines
+= xtra
;
2748 /* set the area that must be redisplayed */
2749 buf
->b_mod_set
= TRUE
;
2750 buf
->b_mod_top
= lnum
;
2751 buf
->b_mod_bot
= lnume
+ xtra
;
2752 buf
->b_mod_xlines
= xtra
;
2757 changed_common(lnum
, col
, lnume
, xtra
)
2768 #ifdef FEAT_JUMPLIST
2774 /* mark the buffer as modified */
2777 /* set the '. mark */
2778 if (!cmdmod
.keepjumps
)
2780 curbuf
->b_last_change
.lnum
= lnum
;
2781 curbuf
->b_last_change
.col
= col
;
2783 #ifdef FEAT_JUMPLIST
2784 /* Create a new entry if a new undo-able change was started or we
2785 * don't have an entry yet. */
2786 if (curbuf
->b_new_change
|| curbuf
->b_changelistlen
== 0)
2788 if (curbuf
->b_changelistlen
== 0)
2792 /* Don't create a new entry when the line number is the same
2793 * as the last one and the column is not too far away. Avoids
2794 * creating many entries for typing "xxxxx". */
2795 p
= &curbuf
->b_changelist
[curbuf
->b_changelistlen
- 1];
2796 if (p
->lnum
!= lnum
)
2800 cols
= comp_textwidth(FALSE
);
2803 add
= (p
->col
+ cols
< col
|| col
+ cols
< p
->col
);
2808 /* This is the first of a new sequence of undo-able changes
2809 * and it's at some distance of the last change. Use a new
2810 * position in the changelist. */
2811 curbuf
->b_new_change
= FALSE
;
2813 if (curbuf
->b_changelistlen
== JUMPLISTSIZE
)
2815 /* changelist is full: remove oldest entry */
2816 curbuf
->b_changelistlen
= JUMPLISTSIZE
- 1;
2817 mch_memmove(curbuf
->b_changelist
, curbuf
->b_changelist
+ 1,
2818 sizeof(pos_T
) * (JUMPLISTSIZE
- 1));
2819 FOR_ALL_TAB_WINDOWS(tp
, wp
)
2821 /* Correct position in changelist for other windows on
2823 if (wp
->w_buffer
== curbuf
&& wp
->w_changelistidx
> 0)
2824 --wp
->w_changelistidx
;
2827 FOR_ALL_TAB_WINDOWS(tp
, wp
)
2829 /* For other windows, if the position in the changelist is
2830 * at the end it stays at the end. */
2831 if (wp
->w_buffer
== curbuf
2832 && wp
->w_changelistidx
== curbuf
->b_changelistlen
)
2833 ++wp
->w_changelistidx
;
2835 ++curbuf
->b_changelistlen
;
2838 curbuf
->b_changelist
[curbuf
->b_changelistlen
- 1] =
2839 curbuf
->b_last_change
;
2840 /* The current window is always after the last change, so that "g,"
2841 * takes you back to it. */
2842 curwin
->w_changelistidx
= curbuf
->b_changelistlen
;
2846 FOR_ALL_TAB_WINDOWS(tp
, wp
)
2848 if (wp
->w_buffer
== curbuf
)
2850 /* Mark this window to be redrawn later. */
2851 if (wp
->w_redr_type
< VALID
)
2852 wp
->w_redr_type
= VALID
;
2854 /* Check if a change in the buffer has invalidated the cached
2855 * values for the cursor. */
2858 * Update the folds for this window. Can't postpone this, because
2859 * a following operator might work on the whole fold: ">>dd".
2861 foldUpdate(wp
, lnum
, lnume
+ xtra
- 1);
2863 /* The change may cause lines above or below the change to become
2864 * included in a fold. Set lnum/lnume to the first/last line that
2865 * might be displayed differently.
2866 * Set w_cline_folded here as an efficient way to update it when
2867 * inserting lines just above a closed fold. */
2868 i
= hasFoldingWin(wp
, lnum
, &lnum
, NULL
, FALSE
, NULL
);
2869 if (wp
->w_cursor
.lnum
== lnum
)
2870 wp
->w_cline_folded
= i
;
2871 i
= hasFoldingWin(wp
, lnume
, NULL
, &lnume
, FALSE
, NULL
);
2872 if (wp
->w_cursor
.lnum
== lnume
)
2873 wp
->w_cline_folded
= i
;
2875 /* If the changed line is in a range of previously folded lines,
2876 * compare with the first line in that range. */
2877 if (wp
->w_cursor
.lnum
<= lnum
)
2879 i
= find_wl_entry(wp
, lnum
);
2880 if (i
>= 0 && wp
->w_cursor
.lnum
> wp
->w_lines
[i
].wl_lnum
)
2881 changed_line_abv_curs_win(wp
);
2885 if (wp
->w_cursor
.lnum
> lnum
)
2886 changed_line_abv_curs_win(wp
);
2887 else if (wp
->w_cursor
.lnum
== lnum
&& wp
->w_cursor
.col
>= col
)
2888 changed_cline_bef_curs_win(wp
);
2889 if (wp
->w_botline
>= lnum
)
2891 /* Assume that botline doesn't change (inserted lines make
2892 * other lines scroll down below botline). */
2893 approximate_botline_win(wp
);
2896 /* Check if any w_lines[] entries have become invalid.
2897 * For entries below the change: Correct the lnums for
2898 * inserted/deleted lines. Makes it possible to stop displaying
2899 * after the change. */
2900 for (i
= 0; i
< wp
->w_lines_valid
; ++i
)
2901 if (wp
->w_lines
[i
].wl_valid
)
2903 if (wp
->w_lines
[i
].wl_lnum
>= lnum
)
2905 if (wp
->w_lines
[i
].wl_lnum
< lnume
)
2907 /* line included in change */
2908 wp
->w_lines
[i
].wl_valid
= FALSE
;
2912 /* line below change */
2913 wp
->w_lines
[i
].wl_lnum
+= xtra
;
2915 wp
->w_lines
[i
].wl_lastlnum
+= xtra
;
2920 else if (wp
->w_lines
[i
].wl_lastlnum
>= lnum
)
2922 /* change somewhere inside this range of folded lines,
2923 * may need to be redrawn */
2924 wp
->w_lines
[i
].wl_valid
= FALSE
;
2930 /* Take care of side effects for setting w_topline when folds have
2931 * changed. Esp. when the buffer was changed in another window. */
2932 if (hasAnyFolding(wp
))
2933 set_topline(wp
, wp
->w_topline
);
2938 /* Call update_screen() later, which checks out what needs to be redrawn,
2939 * since it notices b_mod_set and then uses b_mod_*. */
2940 if (must_redraw
< VALID
)
2941 must_redraw
= VALID
;
2944 /* when the cursor line is changed always trigger CursorMoved */
2945 if (lnum
<= curwin
->w_cursor
.lnum
2946 && lnume
+ (xtra
< 0 ? -xtra
: xtra
) > curwin
->w_cursor
.lnum
)
2947 last_cursormoved
.lnum
= 0;
2952 * unchanged() is called when the changed flag must be reset for buffer 'buf'
2957 int ff
; /* also reset 'fileformat' */
2959 if (buf
->b_changed
|| (ff
&& file_ff_differs(buf
)))
2967 redraw_tabline
= TRUE
;
2970 need_maketitle
= TRUE
; /* set window title later */
2973 ++buf
->b_changedtick
;
2974 #ifdef FEAT_NETBEANS_INTG
2975 netbeans_unmodified(buf
);
2979 #if defined(FEAT_WINDOWS) || defined(PROTO)
2981 * check_status: called when the status bars for the buffer 'buf'
2982 * need to be updated
2990 for (wp
= firstwin
; wp
!= NULL
; wp
= wp
->w_next
)
2991 if (wp
->w_buffer
== buf
&& wp
->w_status_height
)
2993 wp
->w_redr_status
= TRUE
;
2994 if (must_redraw
< VALID
)
2995 must_redraw
= VALID
;
3001 * If the file is readonly, give a warning message with the first change.
3002 * Don't do this for autocommands.
3003 * Don't use emsg(), because it flushes the macro buffer.
3004 * If we have undone all changes b_changed will be FALSE, but "b_did_warn"
3009 int col
; /* column for message; non-zero when in insert
3010 mode and 'showmode' is on */
3012 static char *w_readonly
= N_("W10: Warning: Changing a readonly file");
3014 if (curbuf
->b_did_warn
== FALSE
3015 && curbufIsChanged() == 0
3023 apply_autocmds(EVENT_FILECHANGEDRO
, NULL
, NULL
, FALSE
, curbuf
);
3025 if (!curbuf
->b_p_ro
)
3029 * Do what msg() does, but with a column offset if the warning should
3030 * be after the mode message.
3033 if (msg_row
== Rows
- 1)
3035 msg_source(hl_attr(HLF_W
));
3036 MSG_PUTS_ATTR(_(w_readonly
), hl_attr(HLF_W
) | MSG_HIST
);
3038 set_vim_var_string(VV_WARNINGMSG
, (char_u
*)_(w_readonly
), -1);
3042 if (msg_silent
== 0 && !silent_mode
)
3045 ui_delay(1000L, TRUE
); /* give the user time to think about it */
3047 curbuf
->b_did_warn
= TRUE
;
3048 redraw_cmdline
= FALSE
; /* don't redraw and erase the message */
3049 if (msg_row
< Rows
- 1)
3055 * Ask for a reply from the user, a 'y' or a 'n'.
3056 * No other characters are accepted, the message is repeated until a valid
3057 * reply is entered or CTRL-C is hit.
3058 * If direct is TRUE, don't use vgetc() but ui_inchar(), don't get characters
3059 * from any buffers but directly from the user.
3061 * return the 'y' or 'n'
3064 ask_yesno(str
, direct
)
3069 int save_State
= State
;
3071 if (exiting
) /* put terminal in raw mode for this question */
3072 settmode(TMODE_RAW
);
3074 #ifdef USE_ON_FLY_SCROLL
3075 dont_scroll
= TRUE
; /* disallow scrolling here */
3077 State
= CONFIRM
; /* mouse behaves like with :confirm */
3079 setmouse(); /* disables mouse for xterm */
3082 ++allow_keys
; /* no mapping here, but recognize keys */
3084 while (r
!= 'y' && r
!= 'n')
3086 /* same highlighting as for wait_return */
3087 smsg_attr(hl_attr(HLF_R
), (char_u
*)"%s (y/n)?", str
);
3089 r
= get_keystroke();
3092 if (r
== Ctrl_C
|| r
== ESC
)
3094 msg_putchar(r
); /* show what you typed */
3109 * Get a key stroke directly from the user.
3110 * Ignores mouse clicks and scrollbar events, except a click for the left
3111 * button (used at the more prompt).
3112 * Doesn't use vgetc(), because it syncs undo and eats mapped characters.
3113 * Disadvantage: typeahead is ignored.
3114 * Translates the interrupt character for unix to ESC.
3120 char_u buf
[CBUFLEN
];
3123 int save_mapped_ctrl_c
= mapped_ctrl_c
;
3126 mapped_ctrl_c
= FALSE
; /* mappings are not used here */
3132 /* First time: blocking wait. Second time: wait up to 100ms for a
3133 * terminal code to complete. Leave some room for check_termcode() to
3134 * insert a key code into (max 5 chars plus NUL). And
3135 * fix_input_buffer() can triple the number of bytes. */
3136 n
= ui_inchar(buf
+ len
, (CBUFLEN
- 6 - len
) / 3,
3137 len
== 0 ? -1L : 100L, 0);
3140 /* Replace zero and CSI by a special key code. */
3141 n
= fix_input_buffer(buf
+ len
, n
, FALSE
);
3146 ++waited
; /* keep track of the waiting time */
3148 /* Incomplete termcode and not timed out yet: get more characters */
3149 if ((n
= check_termcode(1, buf
, len
)) < 0
3150 && (!p_ttimeout
|| waited
* 100L < (p_ttm
< 0 ? p_tm
: p_ttm
)))
3153 /* found a termcode: adjust length */
3156 if (len
== 0) /* nothing typed yet */
3159 /* Handle modifier and/or special key code. */
3163 n
= TO_SPECIAL(buf
[1], buf
[2]);
3164 if (buf
[1] == KS_MODIFIER
3167 || n
== K_LEFTMOUSE_NM
3169 || n
== K_LEFTRELEASE
3170 || n
== K_LEFTRELEASE_NM
3171 || n
== K_MIDDLEMOUSE
3172 || n
== K_MIDDLEDRAG
3173 || n
== K_MIDDLERELEASE
3174 || n
== K_RIGHTMOUSE
3176 || n
== K_RIGHTRELEASE
3186 || n
== K_VER_SCROLLBAR
3187 || n
== K_HOR_SCROLLBAR
3192 if (buf
[1] == KS_MODIFIER
)
3196 mch_memmove(buf
, buf
+ 3, (size_t)len
);
3204 if (MB_BYTE2LEN(n
) > len
)
3205 continue; /* more bytes to get */
3206 buf
[len
>= CBUFLEN
? CBUFLEN
- 1 : len
] = NUL
;
3207 n
= (*mb_ptr2char
)(buf
);
3217 mapped_ctrl_c
= save_mapped_ctrl_c
;
3222 * Get a number from the user.
3223 * When "mouse_used" is not NULL allow using the mouse.
3226 get_number(colon
, mouse_used
)
3227 int colon
; /* allow colon to abort */
3234 if (mouse_used
!= NULL
)
3235 *mouse_used
= FALSE
;
3237 /* When not printing messages, the user won't know what to type, return a
3238 * zero (as if CR was hit). */
3239 if (msg_silent
!= 0)
3242 #ifdef USE_ON_FLY_SCROLL
3243 dont_scroll
= TRUE
; /* disallow scrolling here */
3246 ++allow_keys
; /* no mapping here, but recognize keys */
3249 windgoto(msg_row
, msg_col
);
3253 n
= n
* 10 + c
- '0';
3257 else if (c
== K_DEL
|| c
== K_KDEL
|| c
== K_BS
|| c
== Ctrl_H
)
3267 else if (mouse_used
!= NULL
&& c
== K_LEFTMOUSE
)
3274 else if (n
== 0 && c
== ':' && colon
)
3276 stuffcharReadbuff(':');
3278 cmdline_row
= msg_row
;
3279 skip_redraw
= TRUE
; /* skip redraw once */
3283 else if (c
== CAR
|| c
== NL
|| c
== Ctrl_C
|| c
== ESC
)
3292 * Ask the user to enter a number.
3293 * When "mouse_used" is not NULL allow using the mouse and in that case return
3297 prompt_for_number(mouse_used
)
3301 int save_cmdline_row
;
3304 /* When using ":silent" assume that <CR> was entered. */
3305 if (mouse_used
!= NULL
)
3306 MSG_PUTS(_("Type number and <Enter> or click with mouse (empty cancels): "));
3308 MSG_PUTS(_("Type number and <Enter> (empty cancels): "));
3310 /* Set the state such that text can be selected/copied/pasted and we still
3311 * get mouse events. */
3312 save_cmdline_row
= cmdline_row
;
3317 i
= get_number(TRUE
, mouse_used
);
3320 /* don't call wait_return() now */
3321 /* msg_putchar('\n'); */
3322 cmdline_row
= msg_row
- 1;
3323 need_wait_return
= FALSE
;
3328 cmdline_row
= save_cmdline_row
;
3340 if (global_busy
/* no messages now, wait until global is finished */
3341 || !messaging()) /* 'lazyredraw' set, don't do messages now */
3344 /* We don't want to overwrite another important message, but do overwrite
3345 * a previous "more lines" or "fewer lines" message, so that "5dd" and
3346 * then "put" reports the last action. */
3347 if (keep_msg
!= NULL
&& !keep_msg_more
)
3360 STRCPY(msg_buf
, _("1 more line"));
3362 STRCPY(msg_buf
, _("1 line less"));
3367 sprintf((char *)msg_buf
, _("%ld more lines"), pn
);
3369 sprintf((char *)msg_buf
, _("%ld fewer lines"), pn
);
3372 STRCAT(msg_buf
, _(" (Interrupted)"));
3375 set_keep_msg(msg_buf
, 0);
3376 keep_msg_more
= TRUE
;
3382 * flush map and typeahead buffers and give a warning for an error
3387 if (emsg_silent
== 0)
3389 flush_buffers(FALSE
);
3395 * give a warning for an error
3400 if (emsg_silent
== 0)
3404 /* While the GUI is starting up the termcap is set for the GUI
3405 * but the output still goes to a terminal. */
3406 && !(gui
.in_use
&& gui
.starting
)
3416 * The number of beeps outputted is reduced to avoid having to wait
3417 * for all the beeps to finish. This is only a problem on systems
3418 * where the beeps don't overlap.
3420 if (beep_count
== 0 || beep_count
== 10)
3432 /* When 'verbose' is set and we are sourcing a script or executing a
3433 * function give the user a hint where the beep comes from. */
3434 if (vim_strchr(p_debug
, 'e') != NULL
)
3436 msg_source(hl_attr(HLF_W
));
3437 msg_attr((char_u
*)_("Beep!"), hl_attr(HLF_W
));
3443 * To get the "real" home directory:
3444 * - get value of $HOME
3446 * - go to that directory
3447 * - do mch_dirname() to get the real name of that directory.
3448 * This also works with mounts and links.
3449 * Don't do this for MS-DOS, it will change the "current dir" for a drive.
3451 static char_u
*homedir
= NULL
;
3458 /* In case we are called a second time (when 'encoding' changes). */
3463 var
= mch_getenv((char_u
*)"SYS$LOGIN");
3465 var
= mch_getenv((char_u
*)"HOME");
3468 if (var
!= NULL
&& *var
== NUL
) /* empty is same as not set */
3473 * Weird but true: $HOME may contain an indirect reference to another
3474 * variable, esp. "%USERPROFILE%". Happens when $USERPROFILE isn't set
3475 * when $HOME is being set.
3477 if (var
!= NULL
&& *var
== '%')
3482 p
= vim_strchr(var
+ 1, '%');
3485 vim_strncpy(NameBuff
, var
+ 1, p
- (var
+ 1));
3486 exp
= mch_getenv(NameBuff
);
3487 if (exp
!= NULL
&& *exp
!= NUL
3488 && STRLEN(exp
) + STRLEN(p
) < MAXPATHL
)
3490 vim_snprintf((char *)NameBuff
, MAXPATHL
, "%s%s", exp
, p
+ 1);
3492 /* Also set $HOME, it's needed for _viminfo. */
3493 vim_setenv((char_u
*)"HOME", NameBuff
);
3499 * Typically, $HOME is not defined on Windows, unless the user has
3500 * specifically defined it for Vim's sake. However, on Windows NT
3501 * platforms, $HOMEDRIVE and $HOMEPATH are automatically defined for
3502 * each user. Try constructing $HOME from these.
3506 char_u
*homedrive
, *homepath
;
3508 homedrive
= mch_getenv((char_u
*)"HOMEDRIVE");
3509 homepath
= mch_getenv((char_u
*)"HOMEPATH");
3510 if (homedrive
!= NULL
&& homepath
!= NULL
3511 && STRLEN(homedrive
) + STRLEN(homepath
) < MAXPATHL
)
3513 sprintf((char *)NameBuff
, "%s%s", homedrive
, homepath
);
3514 if (NameBuff
[0] != NUL
)
3517 /* Also set $HOME, it's needed for _viminfo. */
3518 vim_setenv((char_u
*)"HOME", NameBuff
);
3523 # if defined(FEAT_MBYTE)
3524 if (enc_utf8
&& var
!= NULL
)
3529 /* Convert from active codepage to UTF-8. Other conversions are
3530 * not done, because they would fail for non-ASCII characters. */
3531 acp_to_enc(var
, (int)STRLEN(var
), &pp
, &len
);
3541 #if defined(OS2) || defined(MSDOS) || defined(MSWIN)
3543 * Default home dir is C:/
3544 * Best assumption we can make in such a situation.
3553 * Change to the directory and get the actual path. This resolves
3554 * links. Don't do it when we can't return.
3556 if (mch_dirname(NameBuff
, MAXPATHL
) == OK
3557 && mch_chdir((char *)NameBuff
) == 0)
3559 if (!mch_chdir((char *)var
) && mch_dirname(IObuff
, IOSIZE
) == OK
)
3561 if (mch_chdir((char *)NameBuff
) != 0)
3562 EMSG(_(e_prev_dir
));
3565 homedir
= vim_strsave(var
);
3569 #if defined(EXITFREE) || defined(PROTO)
3578 * Call expand_env() and store the result in an allocated string.
3579 * This is not very memory efficient, this expects the result to be freed
3583 expand_env_save(src
)
3586 return expand_env_save_opt(src
, FALSE
);
3590 * Idem, but when "one" is TRUE handle the string as one file name, only
3591 * expand "~" at the start.
3594 expand_env_save_opt(src
, one
)
3600 p
= alloc(MAXPATHL
);
3602 expand_env_esc(src
, p
, MAXPATHL
, FALSE
, one
, NULL
);
3607 * Expand environment variable with path name.
3608 * "~/" is also expanded, using $HOME. For Unix "~user/" is expanded.
3609 * Skips over "\ ", "\~" and "\$" (not for Win32 though).
3610 * If anything fails no expansion is done and dst equals src.
3613 expand_env(src
, dst
, dstlen
)
3614 char_u
*src
; /* input string e.g. "$HOME/vim.hlp" */
3615 char_u
*dst
; /* where to put the result */
3616 int dstlen
; /* maximum length of the result */
3618 expand_env_esc(src
, dst
, dstlen
, FALSE
, FALSE
, NULL
);
3622 expand_env_esc(srcp
, dst
, dstlen
, esc
, one
, startstr
)
3623 char_u
*srcp
; /* input string e.g. "$HOME/vim.hlp" */
3624 char_u
*dst
; /* where to put the result */
3625 int dstlen
; /* maximum length of the result */
3626 int esc
; /* escape spaces in expanded variables */
3627 int one
; /* "srcp" is one file name */
3628 char_u
*startstr
; /* start again after this (can be NULL) */
3635 int mustfree
; /* var was allocated, need to free it later */
3636 int at_start
= TRUE
; /* at start of a name */
3637 int startstr_len
= 0;
3639 if (startstr
!= NULL
)
3640 startstr_len
= (int)STRLEN(startstr
);
3642 src
= skipwhite(srcp
);
3643 --dstlen
; /* leave one char space for "\," */
3644 while (*src
&& dstlen
> 0)
3652 #if defined(MSDOS) || defined(MSWIN) || defined(OS2)
3655 || (*src
== '~' && at_start
))
3660 * The variable name is copied into dst temporarily, because it may
3661 * be a string in read-only memory and a NUL needs to be appended.
3663 if (*src
!= '~') /* environment var */
3670 /* Unix has ${var-name} type environment vars */
3671 if (*tail
== '{' && !vim_isIDc('{'))
3673 tail
++; /* ignore '{' */
3674 while (c
-- > 0 && *tail
&& *tail
!= '}')
3680 while (c
-- > 0 && *tail
!= NUL
&& ((vim_isIDc(*tail
))
3681 #if defined(MSDOS) || defined(MSWIN) || defined(OS2)
3682 || (*src
== '%' && *tail
!= '%')
3686 #ifdef OS2 /* env vars only in uppercase */
3687 *var
++ = TOUPPER_LOC(*tail
);
3688 tail
++; /* toupper() may be a macro! */
3695 #if defined(MSDOS) || defined(MSWIN) || defined(OS2) || defined(UNIX)
3697 if (src
[1] == '{' && *tail
!= '}')
3699 if (*src
== '%' && *tail
!= '%')
3712 var
= vim_getenv(dst
, &mustfree
);
3713 #if defined(MSDOS) || defined(MSWIN) || defined(OS2) || defined(UNIX)
3717 /* home directory */
3718 else if ( src
[1] == NUL
3719 || vim_ispathsep(src
[1])
3720 || vim_strchr((char_u
*)" ,\t\n", src
[1]) != NULL
)
3725 else /* user directory */
3727 #if defined(UNIX) || (defined(VMS) && defined(USER_HOME))
3729 * Copy ~user to dst[], so we can put a NUL after it.
3736 && vim_isfilec(*tail
)
3737 && !vim_ispathsep(*tail
))
3742 * If the system supports getpwnam(), use it.
3743 * Otherwise, or if getpwnam() fails, the shell is used to
3744 * expand ~user. This is slower and may fail if the shell
3745 * does not support ~user (old versions of /bin/sh).
3747 # if defined(HAVE_GETPWNAM) && defined(HAVE_PWD_H)
3751 /* Note: memory allocated by getpwnam() is never freed.
3752 * Calling endpwent() apparently doesn't help. */
3753 pw
= getpwnam((char *)dst
+ 1);
3755 var
= (char_u
*)pw
->pw_dir
;
3765 xpc
.xp_context
= EXPAND_FILES
;
3766 var
= ExpandOne(&xpc
, dst
, NULL
,
3767 WILD_ADD_SLASH
|WILD_SILENT
, WILD_EXPAND_FREE
);
3771 # else /* !UNIX, thus VMS */
3773 * USER_HOME is a comma-separated list of
3774 * directories to search for the user account in.
3777 char_u test
[MAXPATHL
], paths
[MAXPATHL
];
3778 char_u
*path
, *next_path
, *ptr
;
3781 STRCPY(paths
, USER_HOME
);
3785 for (path
= next_path
; *next_path
&& *next_path
!= ',';
3791 STRCAT(test
, dst
+ 1);
3792 if (mch_stat(test
, &st
) == 0)
3794 var
= alloc(STRLEN(test
) + 1);
3803 /* cannot expand user's home directory, so don't try */
3805 tail
= (char_u
*)""; /* for gcc */
3806 #endif /* UNIX || VMS */
3809 #ifdef BACKSLASH_IN_FILENAME
3810 /* If 'shellslash' is set change backslashes to forward slashes.
3811 * Can't use slash_adjust(), p_ssl may be set temporarily. */
3812 if (p_ssl
&& var
!= NULL
&& vim_strchr(var
, '\\') != NULL
)
3814 char_u
*p
= vim_strsave(var
);
3827 /* If "var" contains white space, escape it with a backslash.
3828 * Required for ":e ~/tt" when $HOME includes a space. */
3829 if (esc
&& var
!= NULL
&& vim_strpbrk(var
, (char_u
*)" \t") != NULL
)
3831 char_u
*p
= vim_strsave_escaped(var
, (char_u
*)" \t");
3842 if (var
!= NULL
&& *var
!= NUL
3843 && (STRLEN(var
) + STRLEN(tail
) + 1 < (unsigned)dstlen
))
3846 dstlen
-= (int)STRLEN(var
);
3847 c
= (int)STRLEN(var
);
3848 /* if var[] ends in a path separator and tail[] starts
3849 * with it, skip a character */
3850 if (*var
!= NUL
&& after_pathsep(dst
, dst
+ c
)
3851 #if defined(BACKSLASH_IN_FILENAME) || defined(AMIGA)
3854 && vim_ispathsep(*tail
))
3864 if (copy_char
) /* copy at least one char */
3867 * Recognize the start of a new name, for '~'.
3868 * Don't do this when "one" is TRUE, to avoid expanding "~" in
3869 * ":edit foo ~ foo".
3872 if (src
[0] == '\\' && src
[1] != NUL
)
3877 else if ((src
[0] == ' ' || src
[0] == ',') && !one
)
3882 if (startstr
!= NULL
&& src
- startstr_len
>= srcp
3883 && STRNCMP(src
- startstr_len
, startstr
, startstr_len
) == 0)
3891 * Vim's version of getenv().
3892 * Special handling of $HOME, $VIM and $VIMRUNTIME.
3893 * Also does ACP to 'enc' conversion for Win32.
3896 vim_getenv(name
, mustfree
)
3898 int *mustfree
; /* set to TRUE when returned is allocated */
3904 #if defined(OS2) || defined(MSDOS) || defined(MSWIN)
3905 /* use "C:/" when $HOME is not set */
3906 if (STRCMP(name
, "HOME") == 0)
3910 p
= mch_getenv(name
);
3911 if (p
!= NULL
&& *p
== NUL
) /* empty is the same as not set */
3916 #if defined(FEAT_MBYTE) && defined(WIN3264)
3922 /* Convert from active codepage to UTF-8. Other conversions are
3923 * not done, because they would fail for non-ASCII characters. */
3924 acp_to_enc(p
, (int)STRLEN(p
), &pp
, &len
);
3935 vimruntime
= (STRCMP(name
, "VIMRUNTIME") == 0);
3936 if (!vimruntime
&& STRCMP(name
, "VIM") != 0)
3940 * When expanding $VIMRUNTIME fails, try using $VIM/vim<version> or $VIM.
3941 * Don't do this when default_vimruntime_dir is non-empty.
3945 && *default_vimruntime_dir
== NUL
3949 p
= mch_getenv((char_u
*)"VIM");
3950 if (p
!= NULL
&& *p
== NUL
) /* empty is the same as not set */
3954 p
= vim_version_dir(p
);
3958 p
= mch_getenv((char_u
*)"VIM");
3960 #if defined(FEAT_MBYTE) && defined(WIN3264)
3966 /* Convert from active codepage to UTF-8. Other conversions
3967 * are not done, because they would fail for non-ASCII
3969 acp_to_enc(p
, (int)STRLEN(p
), &pp
, &len
);
3983 * When expanding $VIM or $VIMRUNTIME fails, try using:
3984 * - the directory name from 'helpfile' (unless it contains '$')
3985 * - the executable name from argv[0]
3989 if (p_hf
!= NULL
&& vim_strchr(p_hf
, '$') == NULL
)
3993 * Use the name of the executable, obtained from argv[0].
4000 /* remove the file name */
4003 /* remove "doc/" from 'helpfile', if present */
4005 pend
= remove_tail(p
, pend
, (char_u
*)"doc");
4009 /* remove "MacOS" from exe_name and add "Resources/vim" */
4015 pend1
= remove_tail(p
, pend
, (char_u
*)"MacOS");
4018 pnew
= alloc((unsigned)(pend1
- p
) + 15);
4021 STRNCPY(pnew
, p
, (pend1
- p
));
4022 STRCPY(pnew
+ (pend1
- p
), "Resources/vim");
4024 pend
= p
+ STRLEN(p
);
4029 /* remove "src/" from exe_name, if present */
4031 pend
= remove_tail(p
, pend
, (char_u
*)"src");
4034 /* for $VIM, remove "runtime/" or "vim54/", if present */
4037 pend
= remove_tail(p
, pend
, (char_u
*)RUNTIME_DIRNAME
);
4038 pend
= remove_tail(p
, pend
, (char_u
*)VIM_VERSION_NODOT
);
4041 /* remove trailing path separator */
4042 #ifndef MACOS_CLASSIC
4043 /* With MacOS path (with colons) the final colon is required */
4044 /* to avoid confusion between absolute and relative path */
4045 if (pend
> p
&& after_pathsep(p
, pend
))
4050 if (p
== exe_name
|| p
== p_hf
)
4052 /* check that the result is a directory name */
4053 p
= vim_strnsave(p
, (int)(pend
- p
));
4055 if (p
!= NULL
&& !mch_isdir(p
))
4063 /* may add "/vim54" or "/runtime" if it exists */
4064 if (vimruntime
&& (pend
= vim_version_dir(p
)) != NULL
)
4076 /* When there is a pathdef.c file we can use default_vim_dir and
4077 * default_vimruntime_dir */
4080 /* Only use default_vimruntime_dir when it is not empty */
4081 if (vimruntime
&& *default_vimruntime_dir
!= NUL
)
4083 p
= default_vimruntime_dir
;
4086 else if (*default_vim_dir
!= NUL
)
4088 if (vimruntime
&& (p
= vim_version_dir(default_vim_dir
)) != NULL
)
4092 p
= default_vim_dir
;
4100 * Set the environment variable, so that the new value can be found fast
4101 * next time, and others can also use it (e.g. Perl).
4107 vim_setenv((char_u
*)"VIMRUNTIME", p
);
4108 didset_vimruntime
= TRUE
;
4111 char_u
*buf
= concat_str(p
, (char_u
*)"/lang");
4115 bindtextdomain(VIMPACKAGE
, (char *)buf
);
4123 vim_setenv((char_u
*)"VIM", p
);
4131 * Check if the directory "vimdir/<version>" or "vimdir/runtime" exists.
4132 * Return NULL if not, return its name in allocated memory otherwise.
4135 vim_version_dir(vimdir
)
4140 if (vimdir
== NULL
|| *vimdir
== NUL
)
4142 p
= concat_fnames(vimdir
, (char_u
*)VIM_VERSION_NODOT
, TRUE
);
4143 if (p
!= NULL
&& mch_isdir(p
))
4146 p
= concat_fnames(vimdir
, (char_u
*)RUNTIME_DIRNAME
, TRUE
);
4147 if (p
!= NULL
&& mch_isdir(p
))
4154 * If the string between "p" and "pend" ends in "name/", return "pend" minus
4155 * the length of "name/". Otherwise return "pend".
4158 remove_tail(p
, pend
, name
)
4163 int len
= (int)STRLEN(name
) + 1;
4164 char_u
*newend
= pend
- len
;
4167 && fnamencmp(newend
, name
, len
- 1) == 0
4168 && (newend
== p
|| after_pathsep(p
, newend
)))
4174 * Our portable version of setenv.
4177 vim_setenv(name
, val
)
4182 mch_setenv((char *)name
, (char *)val
, 1);
4187 * Putenv does not copy the string, it has to remain
4188 * valid. The allocated memory will never be freed.
4190 envbuf
= alloc((unsigned)(STRLEN(name
) + STRLEN(val
) + 2));
4193 sprintf((char *)envbuf
, "%s=%s", name
, val
);
4194 putenv((char *)envbuf
);
4199 #if defined(FEAT_CMDL_COMPL) || defined(PROTO)
4201 * Function given to ExpandGeneric() to obtain an environment variable name.
4204 get_env_name(xp
, idx
)
4205 expand_T
*xp UNUSED
;
4208 # if defined(AMIGA) || defined(__MRC__) || defined(__SC__)
4210 * No environ[] on the Amiga and on the Mac (using MPW).
4215 /* Borland C++ 5.2 has this in a header file. */
4216 extern char **environ
;
4218 # define ENVNAMELEN 100
4219 static char_u name
[ENVNAMELEN
];
4223 str
= (char_u
*)environ
[idx
];
4227 for (n
= 0; n
< ENVNAMELEN
- 1; ++n
)
4229 if (str
[n
] == '=' || str
[n
] == NUL
)
4240 * Replace home directory by "~" in each space or comma separated file name in
4242 * If anything fails (except when out of space) dst equals src.
4245 home_replace(buf
, src
, dst
, dstlen
, one
)
4246 buf_T
*buf
; /* when not NULL, check for help files */
4247 char_u
*src
; /* input file name */
4248 char_u
*dst
; /* where to put the result */
4249 int dstlen
; /* maximum length of the result */
4250 int one
; /* if TRUE, only replace one file name, include
4251 spaces and commas in the file name. */
4253 size_t dirlen
= 0, envlen
= 0;
4255 char_u
*homedir_env
;
4265 * If the file is a help file, remove the path completely.
4267 if (buf
!= NULL
&& buf
->b_help
)
4269 STRCPY(dst
, gettail(src
));
4274 * We check both the value of the $HOME environment variable and the
4275 * "real" home directory.
4277 if (homedir
!= NULL
)
4278 dirlen
= STRLEN(homedir
);
4281 homedir_env
= mch_getenv((char_u
*)"SYS$LOGIN");
4283 homedir_env
= mch_getenv((char_u
*)"HOME");
4286 if (homedir_env
!= NULL
&& *homedir_env
== NUL
)
4288 if (homedir_env
!= NULL
)
4289 envlen
= STRLEN(homedir_env
);
4292 src
= skipwhite(src
);
4293 while (*src
&& dstlen
> 0)
4296 * Here we are at the beginning of a file name.
4297 * First, check to see if the beginning of the file name matches
4298 * $HOME or the "real" home directory. Check that there is a '/'
4299 * after the match (so that if e.g. the file is "/home/pieter/bla",
4300 * and the home directory is "/home/piet", the file does not end up
4301 * as "~er/bla" (which would seem to indicate the file "bla" in user
4302 * er's home directory)).
4309 && fnamencmp(src
, p
, len
) == 0
4310 && (vim_ispathsep(src
[len
])
4311 || (!one
&& (src
[len
] == ',' || src
[len
] == ' '))
4312 || src
[len
] == NUL
))
4319 * If it's just the home directory, add "/".
4321 if (!vim_ispathsep(src
[0]) && --dstlen
> 0)
4325 if (p
== homedir_env
)
4331 /* if (!one) skip to separator: space or comma */
4332 while (*src
&& (one
|| (*src
!= ',' && *src
!= ' ')) && --dstlen
> 0)
4334 /* skip separator */
4335 while ((*src
== ' ' || *src
== ',') && --dstlen
> 0)
4338 /* if (dstlen == 0) out of space, what to do??? */
4344 * Like home_replace, store the replaced string in allocated memory.
4345 * When something fails, NULL is returned.
4348 home_replace_save(buf
, src
)
4349 buf_T
*buf
; /* when not NULL, check for help files */
4350 char_u
*src
; /* input file name */
4355 len
= 3; /* space for "~/" and trailing NUL */
4356 if (src
!= NULL
) /* just in case */
4357 len
+= (unsigned)STRLEN(src
);
4360 home_replace(buf
, src
, dst
, len
, TRUE
);
4365 * Compare two file names and return:
4366 * FPC_SAME if they both exist and are the same file.
4367 * FPC_SAMEX if they both don't exist and have the same file name.
4368 * FPC_DIFF if they both exist and are different files.
4369 * FPC_NOTX if they both don't exist.
4370 * FPC_DIFFX if one of them doesn't exist.
4371 * For the first name environment variables are expanded
4374 fullpathcmp(s1
, s2
, checkname
)
4376 int checkname
; /* when both don't exist, check file names */
4379 char_u exp1
[MAXPATHL
];
4380 char_u full1
[MAXPATHL
];
4381 char_u full2
[MAXPATHL
];
4382 struct stat st1
, st2
;
4385 expand_env(s1
, exp1
, MAXPATHL
);
4386 r1
= mch_stat((char *)exp1
, &st1
);
4387 r2
= mch_stat((char *)s2
, &st2
);
4388 if (r1
!= 0 && r2
!= 0)
4390 /* if mch_stat() doesn't work, may compare the names */
4393 if (fnamecmp(exp1
, s2
) == 0)
4395 r1
= vim_FullName(exp1
, full1
, MAXPATHL
, FALSE
);
4396 r2
= vim_FullName(s2
, full2
, MAXPATHL
, FALSE
);
4397 if (r1
== OK
&& r2
== OK
&& fnamecmp(full1
, full2
) == 0)
4402 if (r1
!= 0 || r2
!= 0)
4404 if (st1
.st_dev
== st2
.st_dev
&& st1
.st_ino
== st2
.st_ino
)
4408 char_u
*exp1
; /* expanded s1 */
4409 char_u
*full1
; /* full path of s1 */
4410 char_u
*full2
; /* full path of s2 */
4411 int retval
= FPC_DIFF
;
4414 /* allocate one buffer to store three paths (alloc()/free() is slow!) */
4415 if ((exp1
= alloc(MAXPATHL
* 3)) != NULL
)
4417 full1
= exp1
+ MAXPATHL
;
4418 full2
= full1
+ MAXPATHL
;
4420 expand_env(s1
, exp1
, MAXPATHL
);
4421 r1
= vim_FullName(exp1
, full1
, MAXPATHL
, FALSE
);
4422 r2
= vim_FullName(s2
, full2
, MAXPATHL
, FALSE
);
4424 /* If vim_FullName() fails, the file probably doesn't exist. */
4425 if (r1
!= OK
&& r2
!= OK
)
4427 if (checkname
&& fnamecmp(exp1
, s2
) == 0)
4432 else if (r1
!= OK
|| r2
!= OK
)
4434 else if (fnamecmp(full1
, full2
))
4445 * Get the tail of a path: the file name.
4446 * Fail safe: never returns NULL.
4455 return (char_u
*)"";
4456 for (p1
= p2
= fname
; *p2
; ) /* find last part of path */
4458 if (vim_ispathsep(*p2
))
4466 * Get pointer to tail of "fname", including path separators. Putting a NUL
4467 * here leaves the directory name. Takes care of "c:/" and "//".
4468 * Always returns a valid pointer.
4477 p
= get_past_head(fname
); /* don't remove the '/' from "c:/file" */
4479 while (t
> p
&& after_pathsep(fname
, t
))
4482 /* path separator is part of the path */
4489 * get the next path component (just after the next path separator).
4495 while (*fname
&& !vim_ispathsep(*fname
))
4503 * Get a pointer to one character past the head of a path name.
4504 * Unix: after "/"; DOS: after "c:\"; Amiga: after "disk:/"; Mac: no head.
4505 * If there is no head, path is returned.
4513 #if defined(MSDOS) || defined(MSWIN) || defined(OS2)
4515 if (isalpha(path
[0]) && path
[1] == ':')
4521 /* may skip "label:" */
4522 retval
= vim_strchr(path
, ':');
4530 while (vim_ispathsep(*retval
))
4537 * return TRUE if 'c' is a path separator.
4544 return (c
== '.' || c
== ':');
4547 return (c
== '/'); /* UNIX has ':' inside file names */
4549 # ifdef BACKSLASH_IN_FILENAME
4550 return (c
== ':' || c
== '/' || c
== '\\');
4553 /* server"user passwd"::device:[full.path.name]fname.extension;version" */
4554 return (c
== ':' || c
== '[' || c
== ']' || c
== '/'
4555 || c
== '<' || c
== '>' || c
== '"' );
4557 return (c
== ':' || c
== '/');
4561 #endif /* RISC OS */
4564 #if defined(FEAT_SEARCHPATH) || defined(PROTO)
4566 * return TRUE if 'c' is a path list separator.
4569 vim_ispathlistsep(c
)
4575 return (c
== ';'); /* might not be right for every system... */
4580 #if defined(FEAT_GUI_TABLINE) || defined(FEAT_WINDOWS) \
4581 || defined(FEAT_EVAL) || defined(PROTO)
4583 * Shorten the path of a file from "~/foo/../.bar/fname" to "~/f/../.b/fname"
4584 * It's done in-place.
4590 char_u
*tail
, *s
, *d
;
4593 tail
= gettail(str
);
4595 for (s
= str
; ; ++s
)
4597 if (s
>= tail
) /* copy the whole tail */
4603 else if (vim_ispathsep(*s
)) /* copy '/' and next char */
4610 *d
++ = *s
; /* copy next char */
4611 if (*s
!= '~' && *s
!= '.') /* and leading "~" and "." */
4616 int l
= mb_ptr2len(s
);
4628 * Return TRUE if the directory of "fname" exists, FALSE otherwise.
4629 * Also returns TRUE if there is no directory name.
4630 * "fname" must be writable!.
4633 dir_of_file_exists(fname
)
4640 p
= gettail_sep(fname
);
4645 retval
= mch_isdir(fname
);
4650 #if (defined(CASE_INSENSITIVE_FILENAME) && defined(BACKSLASH_IN_FILENAME)) \
4653 * Versions of fnamecmp() and fnamencmp() that handle '/' and '\' equally.
4659 return vim_fnamencmp(x
, y
, MAXPATHL
);
4663 vim_fnamencmp(x
, y
, len
)
4667 while (len
> 0 && *x
&& *y
)
4669 if (TOLOWER_LOC(*x
) != TOLOWER_LOC(*y
)
4670 && !(*x
== '/' && *y
== '\\')
4671 && !(*x
== '\\' && *y
== '/'))
4684 * Concatenate file names fname1 and fname2 into allocated memory.
4685 * Only add a '/' or '\\' when 'sep' is TRUE and it is necessary.
4688 concat_fnames(fname1
, fname2
, sep
)
4695 dest
= alloc((unsigned)(STRLEN(fname1
) + STRLEN(fname2
) + 3));
4698 STRCPY(dest
, fname1
);
4701 STRCAT(dest
, fname2
);
4707 * Concatenate two strings and return the result in allocated memory.
4708 * Returns NULL when out of memory.
4711 concat_str(str1
, str2
)
4716 size_t l
= STRLEN(str1
);
4718 dest
= alloc((unsigned)(l
+ STRLEN(str2
) + 1L));
4722 STRCPY(dest
+ l
, str2
);
4728 * Add a path separator to a file name, unless it already ends in a path
4735 if (*p
!= NUL
&& !after_pathsep(p
, p
+ STRLEN(p
)))
4736 STRCAT(p
, PATHSEPSTR
);
4740 * FullName_save - Make an allocated copy of a full file name.
4741 * Returns NULL when out of memory.
4744 FullName_save(fname
, force
)
4746 int force
; /* force expansion, even when it already looks
4747 like a full path name */
4750 char_u
*new_fname
= NULL
;
4755 buf
= alloc((unsigned)MAXPATHL
);
4758 if (vim_FullName(fname
, buf
, MAXPATHL
, force
) != FAIL
)
4759 new_fname
= vim_strsave(buf
);
4761 new_fname
= vim_strsave(fname
);
4767 #if defined(FEAT_CINDENT) || defined(FEAT_SYN_HL)
4769 static char_u
*skip_string
__ARGS((char_u
*p
));
4772 * Find the start of a comment, not knowing if we are in a comment right now.
4773 * Search starts at w_cursor.lnum and goes backwards.
4776 find_start_comment(ind_maxcomment
) /* XXX */
4782 int cur_maxcomment
= ind_maxcomment
;
4786 pos
= findmatchlimit(NULL
, '*', FM_BACKWARD
, cur_maxcomment
);
4791 * Check if the comment start we found is inside a string.
4792 * If it is then restrict the search to below this line and try again.
4794 line
= ml_get(pos
->lnum
);
4795 for (p
= line
; *p
&& (colnr_T
)(p
- line
) < pos
->col
; ++p
)
4797 if ((colnr_T
)(p
- line
) <= pos
->col
)
4799 cur_maxcomment
= curwin
->w_cursor
.lnum
- pos
->lnum
- 1;
4800 if (cur_maxcomment
<= 0)
4810 * Skip to the end of a "string" and a 'c' character.
4811 * If there is no string or character, return argument unmodified.
4820 * We loop, because strings may be concatenated: "date""time".
4824 if (p
[0] == '\'') /* 'c' or '\n' or '\000' */
4826 if (!p
[1]) /* ' at end of line */
4829 if (p
[1] == '\\') /* '\n' or '\000' */
4832 while (vim_isdigit(p
[i
- 1])) /* '\000' */
4835 if (p
[i
] == '\'') /* check for trailing ' */
4841 else if (p
[0] == '"') /* start of string */
4843 for (++p
; p
[0]; ++p
)
4845 if (p
[0] == '\\' && p
[1] != NUL
)
4847 else if (p
[0] == '"') /* end of string */
4853 break; /* no string found */
4856 --p
; /* backup from NUL */
4859 #endif /* FEAT_CINDENT || FEAT_SYN_HL */
4861 #if defined(FEAT_CINDENT) || defined(PROTO)
4864 * Do C or expression indenting on the current line.
4870 if (*curbuf
->b_p_inde
!= NUL
)
4871 fixthisline(get_expr_indent
);
4874 fixthisline(get_c_indent
);
4878 * Functions for C-indenting.
4879 * Most of this originally comes from Eric Fischer.
4882 * Below "XXX" means that this function may unlock the current line.
4885 static char_u
*cin_skipcomment
__ARGS((char_u
*));
4886 static int cin_nocode
__ARGS((char_u
*));
4887 static pos_T
*find_line_comment
__ARGS((void));
4888 static int cin_islabel_skip
__ARGS((char_u
**));
4889 static int cin_isdefault
__ARGS((char_u
*));
4890 static char_u
*after_label
__ARGS((char_u
*l
));
4891 static int get_indent_nolabel
__ARGS((linenr_T lnum
));
4892 static int skip_label
__ARGS((linenr_T
, char_u
**pp
, int ind_maxcomment
));
4893 static int cin_first_id_amount
__ARGS((void));
4894 static int cin_get_equal_amount
__ARGS((linenr_T lnum
));
4895 static int cin_ispreproc
__ARGS((char_u
*));
4896 static int cin_ispreproc_cont
__ARGS((char_u
**pp
, linenr_T
*lnump
));
4897 static int cin_iscomment
__ARGS((char_u
*));
4898 static int cin_islinecomment
__ARGS((char_u
*));
4899 static int cin_isterminated
__ARGS((char_u
*, int, int));
4900 static int cin_isinit
__ARGS((void));
4901 static int cin_isfuncdecl
__ARGS((char_u
**, linenr_T
));
4902 static int cin_isif
__ARGS((char_u
*));
4903 static int cin_iselse
__ARGS((char_u
*));
4904 static int cin_isdo
__ARGS((char_u
*));
4905 static int cin_iswhileofdo
__ARGS((char_u
*, linenr_T
, int));
4906 static int cin_iswhileofdo_end
__ARGS((int terminated
, int ind_maxparen
, int ind_maxcomment
));
4907 static int cin_isbreak
__ARGS((char_u
*));
4908 static int cin_is_cpp_baseclass
__ARGS((colnr_T
*col
));
4909 static int get_baseclass_amount
__ARGS((int col
, int ind_maxparen
, int ind_maxcomment
, int ind_cpp_baseclass
));
4910 static int cin_ends_in
__ARGS((char_u
*, char_u
*, char_u
*));
4911 static int cin_skip2pos
__ARGS((pos_T
*trypos
));
4912 static pos_T
*find_start_brace
__ARGS((int));
4913 static pos_T
*find_match_paren
__ARGS((int, int));
4914 static int corr_ind_maxparen
__ARGS((int ind_maxparen
, pos_T
*startpos
));
4915 static int find_last_paren
__ARGS((char_u
*l
, int start
, int end
));
4916 static int find_match
__ARGS((int lookfor
, linenr_T ourscope
, int ind_maxparen
, int ind_maxcomment
));
4918 static int ind_hash_comment
= 0; /* # starts a comment */
4921 * Skip over white space and C comments within the line.
4922 * Also skip over Perl/shell comments if desired.
4934 /* Perl/shell # comment comment continues until eol. Require a space
4935 * before # to avoid recognizing $#array. */
4936 if (ind_hash_comment
!= 0 && s
!= prev_s
&& *s
== '#')
4944 if (*s
== '/') /* slash-slash comment continues till eol */
4951 for (++s
; *s
; ++s
) /* skip slash-star comment */
4952 if (s
[0] == '*' && s
[1] == '/')
4962 * Return TRUE if there there is no code at *s. White space and comments are
4963 * not considered code.
4969 return *cin_skipcomment(s
) == NUL
;
4973 * Check previous lines for a "//" line comment, skipping over blank lines.
4976 find_line_comment() /* XXX */
4982 pos
= curwin
->w_cursor
;
4983 while (--pos
.lnum
> 0)
4985 line
= ml_get(pos
.lnum
);
4986 p
= skipwhite(line
);
4987 if (cin_islinecomment(p
))
4989 pos
.col
= (int)(p
- line
);
4999 * Check if string matches "label:"; move to character after ':' if true.
5005 if (!vim_isIDc(**s
)) /* need at least one ID character */
5008 while (vim_isIDc(**s
))
5011 *s
= cin_skipcomment(*s
);
5013 /* "::" is not a label, it's C++ */
5014 return (**s
== ':' && *++*s
!= ':');
5018 * Recognize a label: "label:".
5019 * Note: curwin->w_cursor must be where we are looking for the label.
5022 cin_islabel(ind_maxcomment
) /* XXX */
5027 s
= cin_skipcomment(ml_get_curline());
5030 * Exclude "default" from labels, since it should be indented
5031 * like a switch label. Same for C++ scope declarations.
5033 if (cin_isdefault(s
))
5035 if (cin_isscopedecl(s
))
5038 if (cin_islabel_skip(&s
))
5041 * Only accept a label if the previous line is terminated or is a case
5048 cursor_save
= curwin
->w_cursor
;
5049 while (curwin
->w_cursor
.lnum
> 1)
5051 --curwin
->w_cursor
.lnum
;
5054 * If we're in a comment now, skip to the start of the comment.
5056 curwin
->w_cursor
.col
= 0;
5057 if ((trypos
= find_start_comment(ind_maxcomment
)) != NULL
) /* XXX */
5058 curwin
->w_cursor
= *trypos
;
5060 line
= ml_get_curline();
5061 if (cin_ispreproc(line
)) /* ignore #defines, #if, etc. */
5063 if (*(line
= cin_skipcomment(line
)) == NUL
)
5066 curwin
->w_cursor
= cursor_save
;
5067 if (cin_isterminated(line
, TRUE
, FALSE
)
5068 || cin_isscopedecl(line
)
5070 || (cin_islabel_skip(&line
) && cin_nocode(line
)))
5074 curwin
->w_cursor
= cursor_save
;
5075 return TRUE
; /* label at start of file??? */
5081 * Recognize structure initialization and enumerations.
5082 * Q&D-Implementation:
5083 * check for "=" at end or "[typedef] enum" at beginning of line.
5090 s
= cin_skipcomment(ml_get_curline());
5092 if (STRNCMP(s
, "typedef", 7) == 0 && !vim_isIDc(s
[7]))
5093 s
= cin_skipcomment(s
+ 7);
5095 if (STRNCMP(s
, "enum", 4) == 0 && !vim_isIDc(s
[4]))
5098 if (cin_ends_in(s
, (char_u
*)"=", (char_u
*)"{"))
5105 * Recognize a switch label: "case .*:" or "default:".
5111 s
= cin_skipcomment(s
);
5112 if (STRNCMP(s
, "case", 4) == 0 && !vim_isIDc(s
[4]))
5114 for (s
+= 4; *s
; ++s
)
5116 s
= cin_skipcomment(s
);
5119 if (s
[1] == ':') /* skip over "::" for C++ */
5124 if (*s
== '\'' && s
[1] && s
[2] == '\'')
5125 s
+= 2; /* skip over '.' */
5126 else if (*s
== '/' && (s
[1] == '*' || s
[1] == '/'))
5127 return FALSE
; /* stop at comment */
5129 return FALSE
; /* stop at string */
5134 if (cin_isdefault(s
))
5140 * Recognize a "default" switch label.
5146 return (STRNCMP(s
, "default", 7) == 0
5147 && *(s
= cin_skipcomment(s
+ 7)) == ':'
5152 * Recognize a "public/private/proctected" scope declaration label.
5160 s
= cin_skipcomment(s
);
5161 if (STRNCMP(s
, "public", 6) == 0)
5163 else if (STRNCMP(s
, "protected", 9) == 0)
5165 else if (STRNCMP(s
, "private", 7) == 0)
5169 return (*(s
= cin_skipcomment(s
+ i
)) == ':' && s
[1] != ':');
5173 * Return a pointer to the first non-empty non-comment character after a ':'.
5174 * Return NULL if not found.
5186 if (l
[1] == ':') /* skip over "::" for C++ */
5188 else if (!cin_iscase(l
+ 1))
5191 else if (*l
== '\'' && l
[1] && l
[2] == '\'')
5192 l
+= 2; /* skip over 'x' */
5196 l
= cin_skipcomment(l
+ 1);
5203 * Get indent of line "lnum", skipping a label.
5204 * Return 0 if there is nothing after the label.
5207 get_indent_nolabel(lnum
) /* XXX */
5220 fp
.col
= (colnr_T
)(p
- l
);
5222 getvcol(curwin
, &fp
, &col
, NULL
, NULL
);
5227 * Find indent for line "lnum", ignoring any case or jump label.
5228 * Also return a pointer to the text (after the label) in "pp".
5229 * label: if (asdf && asdfasdf)
5233 skip_label(lnum
, pp
, ind_maxcomment
)
5242 cursor_save
= curwin
->w_cursor
;
5243 curwin
->w_cursor
.lnum
= lnum
;
5244 l
= ml_get_curline();
5246 if (cin_iscase(l
) || cin_isscopedecl(l
) || cin_islabel(ind_maxcomment
))
5248 amount
= get_indent_nolabel(lnum
);
5249 l
= after_label(ml_get_curline());
5250 if (l
== NULL
) /* just in case */
5251 l
= ml_get_curline();
5255 amount
= get_indent();
5256 l
= ml_get_curline();
5260 curwin
->w_cursor
= cursor_save
;
5265 * Return the indent of the first variable name after a type in a declaration.
5266 * int a, indent of "a"
5267 * static struct foo b, indent of "b"
5268 * enum bla c, indent of "c"
5269 * Returns zero when it doesn't look like a declaration.
5272 cin_first_id_amount()
5274 char_u
*line
, *p
, *s
;
5279 line
= ml_get_curline();
5280 p
= skipwhite(line
);
5281 len
= (int)(skiptowhite(p
) - p
);
5282 if (len
== 6 && STRNCMP(p
, "static", 6) == 0)
5284 p
= skipwhite(p
+ 6);
5285 len
= (int)(skiptowhite(p
) - p
);
5287 if (len
== 6 && STRNCMP(p
, "struct", 6) == 0)
5288 p
= skipwhite(p
+ 6);
5289 else if (len
== 4 && STRNCMP(p
, "enum", 4) == 0)
5290 p
= skipwhite(p
+ 4);
5291 else if ((len
== 8 && STRNCMP(p
, "unsigned", 8) == 0)
5292 || (len
== 6 && STRNCMP(p
, "signed", 6) == 0))
5294 s
= skipwhite(p
+ len
);
5295 if ((STRNCMP(s
, "int", 3) == 0 && vim_iswhite(s
[3]))
5296 || (STRNCMP(s
, "long", 4) == 0 && vim_iswhite(s
[4]))
5297 || (STRNCMP(s
, "short", 5) == 0 && vim_iswhite(s
[5]))
5298 || (STRNCMP(s
, "char", 4) == 0 && vim_iswhite(s
[4])))
5301 for (len
= 0; vim_isIDc(p
[len
]); ++len
)
5303 if (len
== 0 || !vim_iswhite(p
[len
]) || cin_nocode(p
))
5306 p
= skipwhite(p
+ len
);
5307 fp
.lnum
= curwin
->w_cursor
.lnum
;
5308 fp
.col
= (colnr_T
)(p
- line
);
5309 getvcol(curwin
, &fp
, &col
, NULL
, NULL
);
5314 * Return the indent of the first non-blank after an equal sign.
5315 * char *foo = "here";
5316 * Return zero if no (useful) equal sign found.
5317 * Return -1 if the line above "lnum" ends in a backslash.
5323 cin_get_equal_amount(lnum
)
5333 line
= ml_get(lnum
- 1);
5334 if (*line
!= NUL
&& line
[STRLEN(line
) - 1] == '\\')
5338 line
= s
= ml_get(lnum
);
5339 while (*s
!= NUL
&& vim_strchr((char_u
*)"=;{}\"'", *s
) == NULL
)
5341 if (cin_iscomment(s
)) /* ignore comments */
5342 s
= cin_skipcomment(s
);
5349 s
= skipwhite(s
+ 1);
5353 if (*s
== '"') /* nice alignment for continued strings */
5357 fp
.col
= (colnr_T
)(s
- line
);
5358 getvcol(curwin
, &fp
, &col
, NULL
, NULL
);
5363 * Recognize a preprocessor statement: Any line that starts with '#'.
5376 * Return TRUE if line "*pp" at "*lnump" is a preprocessor statement or a
5377 * continuation line of a preprocessor statement. Decrease "*lnump" to the
5378 * start and return the line in "*pp".
5381 cin_ispreproc_cont(pp
, lnump
)
5386 linenr_T lnum
= *lnump
;
5391 if (cin_ispreproc(line
))
5399 line
= ml_get(--lnum
);
5400 if (*line
== NUL
|| line
[STRLEN(line
) - 1] != '\\')
5405 *pp
= ml_get(*lnump
);
5410 * Recognize the start of a C or C++ comment.
5416 return (p
[0] == '/' && (p
[1] == '*' || p
[1] == '/'));
5420 * Recognize the start of a "//" comment.
5423 cin_islinecomment(p
)
5426 return (p
[0] == '/' && p
[1] == '/');
5430 * Recognize a line that starts with '{' or '}', or ends with ';', '{' or '}'.
5431 * Don't consider "} else" a terminated line.
5432 * Return the character terminating the line (ending char's have precedence if
5433 * both apply in order to determine initializations).
5436 cin_isterminated(s
, incl_open
, incl_comma
)
5438 int incl_open
; /* include '{' at the end as terminator */
5439 int incl_comma
; /* recognize a trailing comma */
5441 char_u found_start
= 0;
5443 s
= cin_skipcomment(s
);
5445 if (*s
== '{' || (*s
== '}' && !cin_iselse(s
)))
5450 /* skip over comments, "" strings and 'c'haracters */
5451 s
= skip_string(cin_skipcomment(s
));
5452 if ((*s
== ';' || (incl_open
&& *s
== '{') || *s
== '}'
5453 || (incl_comma
&& *s
== ','))
5454 && cin_nocode(s
+ 1))
5464 * Recognize the basic picture of a function declaration -- it needs to
5465 * have an open paren somewhere and a close paren at the end of the line and
5466 * no semicolons anywhere.
5467 * When a line ends in a comma we continue looking in the next line.
5468 * "sp" points to a string with the line. When looking at other lines it must
5469 * be restored to the line. When it's NULL fetch lines here.
5470 * "lnum" is where we start looking.
5473 cin_isfuncdecl(sp
, first_lnum
)
5475 linenr_T first_lnum
;
5478 linenr_T lnum
= first_lnum
;
5486 while (*s
&& *s
!= '(' && *s
!= ';' && *s
!= '\'' && *s
!= '"')
5488 if (cin_iscomment(s
)) /* ignore comments */
5489 s
= cin_skipcomment(s
);
5494 return FALSE
; /* ';', ' or " before any () or no '(' */
5496 while (*s
&& *s
!= ';' && *s
!= '\'' && *s
!= '"')
5498 if (*s
== ')' && cin_nocode(s
+ 1))
5500 /* ')' at the end: may have found a match
5501 * Check for he previous line not to end in a backslash:
5502 * #if defined(x) && \
5505 lnum
= first_lnum
- 1;
5507 if (*s
== NUL
|| s
[STRLEN(s
) - 1] != '\\')
5511 if (*s
== ',' && cin_nocode(s
+ 1))
5513 /* ',' at the end: continue looking in the next line */
5514 if (lnum
>= curbuf
->b_ml
.ml_line_count
)
5519 else if (cin_iscomment(s
)) /* ignore comments */
5520 s
= cin_skipcomment(s
);
5526 if (lnum
!= first_lnum
&& sp
!= NULL
)
5527 *sp
= ml_get(first_lnum
);
5536 return (STRNCMP(p
, "if", 2) == 0 && !vim_isIDc(p
[2]));
5543 if (*p
== '}') /* accept "} else" */
5544 p
= cin_skipcomment(p
+ 1);
5545 return (STRNCMP(p
, "else", 4) == 0 && !vim_isIDc(p
[4]));
5552 return (STRNCMP(p
, "do", 2) == 0 && !vim_isIDc(p
[2]));
5556 * Check if this is a "while" that should have a matching "do".
5557 * We only accept a "while (condition) ;", with only white space between the
5558 * ')' and ';'. The condition may be spread over several lines.
5561 cin_iswhileofdo(p
, lnum
, ind_maxparen
) /* XXX */
5570 p
= cin_skipcomment(p
);
5571 if (*p
== '}') /* accept "} while (cond);" */
5572 p
= cin_skipcomment(p
+ 1);
5573 if (STRNCMP(p
, "while", 5) == 0 && !vim_isIDc(p
[5]))
5575 cursor_save
= curwin
->w_cursor
;
5576 curwin
->w_cursor
.lnum
= lnum
;
5577 curwin
->w_cursor
.col
= 0;
5578 p
= ml_get_curline();
5579 while (*p
&& *p
!= 'w') /* skip any '}', until the 'w' of the "while" */
5582 ++curwin
->w_cursor
.col
;
5584 if ((trypos
= findmatchlimit(NULL
, 0, 0, ind_maxparen
)) != NULL
5585 && *cin_skipcomment(ml_get_pos(trypos
) + 1) == ';')
5587 curwin
->w_cursor
= cursor_save
;
5593 * Return TRUE if we are at the end of a do-while.
5598 * Adjust the cursor to the line with "while".
5601 cin_iswhileofdo_end(terminated
, ind_maxparen
, ind_maxcomment
)
5612 if (terminated
!= ';') /* there must be a ';' at the end */
5615 p
= line
= ml_get_curline();
5618 p
= cin_skipcomment(p
);
5621 s
= skipwhite(p
+ 1);
5622 if (*s
== ';' && cin_nocode(s
+ 1))
5624 /* Found ");" at end of the line, now check there is "while"
5625 * before the matching '('. XXX */
5626 i
= (int)(p
- line
);
5627 curwin
->w_cursor
.col
= i
;
5628 trypos
= find_match_paren(ind_maxparen
, ind_maxcomment
);
5631 s
= cin_skipcomment(ml_get(trypos
->lnum
));
5632 if (*s
== '}') /* accept "} while (cond);" */
5633 s
= cin_skipcomment(s
+ 1);
5634 if (STRNCMP(s
, "while", 5) == 0 && !vim_isIDc(s
[5]))
5636 curwin
->w_cursor
.lnum
= trypos
->lnum
;
5641 /* Searching may have made "line" invalid, get it again. */
5642 line
= ml_get_curline();
5656 return (STRNCMP(p
, "break", 5) == 0 && !vim_isIDc(p
[5]));
5660 * Find the position of a C++ base-class declaration or
5661 * constructor-initialization. eg:
5664 * baseClass <-- here
5665 * class MyClass : public baseClass,
5666 * anotherBaseClass <-- here (should probably lineup ??)
5667 * MyClass::MyClass(...) :
5668 * baseClass(...) <-- here (constructor-initialization)
5670 * This is a lot of guessing. Watch out for "cond ? func() : foo".
5673 cin_is_cpp_baseclass(col
)
5674 colnr_T
*col
; /* return: column to align with */
5677 int class_or_struct
, lookfor_ctor_init
, cpp_base_class
;
5678 linenr_T lnum
= curwin
->w_cursor
.lnum
;
5679 char_u
*line
= ml_get_curline();
5683 s
= skipwhite(line
);
5684 if (*s
== '#') /* skip #define FOO x ? (x) : x */
5686 s
= cin_skipcomment(s
);
5690 cpp_base_class
= lookfor_ctor_init
= class_or_struct
= FALSE
;
5692 /* Search for a line starting with '#', empty, ending in ';' or containing
5693 * '{' or '}' and start below it. This handles the following situations:
5700 * Foo::Foo (int one, int two)
5707 line
= ml_get(lnum
- 1);
5708 s
= skipwhite(line
);
5709 if (*s
== '#' || *s
== NUL
)
5713 s
= cin_skipcomment(s
);
5714 if (*s
== '{' || *s
== '}'
5715 || (*s
== ';' && cin_nocode(s
+ 1)))
5725 line
= ml_get(lnum
);
5726 s
= cin_skipcomment(line
);
5731 if (lnum
== curwin
->w_cursor
.lnum
)
5733 /* Continue in the cursor line. */
5734 line
= ml_get(++lnum
);
5735 s
= cin_skipcomment(line
);
5744 /* skip double colon. It can't be a constructor
5745 * initialization any more */
5746 lookfor_ctor_init
= FALSE
;
5747 s
= cin_skipcomment(s
+ 2);
5749 else if (lookfor_ctor_init
|| class_or_struct
)
5751 /* we have something found, that looks like the start of
5752 * cpp-base-class-declaration or constructor-initialization */
5753 cpp_base_class
= TRUE
;
5754 lookfor_ctor_init
= class_or_struct
= FALSE
;
5756 s
= cin_skipcomment(s
+ 1);
5759 s
= cin_skipcomment(s
+ 1);
5761 else if ((STRNCMP(s
, "class", 5) == 0 && !vim_isIDc(s
[5]))
5762 || (STRNCMP(s
, "struct", 6) == 0 && !vim_isIDc(s
[6])))
5764 class_or_struct
= TRUE
;
5765 lookfor_ctor_init
= FALSE
;
5768 s
= cin_skipcomment(s
+ 5);
5770 s
= cin_skipcomment(s
+ 6);
5774 if (s
[0] == '{' || s
[0] == '}' || s
[0] == ';')
5776 cpp_base_class
= lookfor_ctor_init
= class_or_struct
= FALSE
;
5778 else if (s
[0] == ')')
5780 /* Constructor-initialization is assumed if we come across
5781 * something like "):" */
5782 class_or_struct
= FALSE
;
5783 lookfor_ctor_init
= TRUE
;
5785 else if (s
[0] == '?')
5787 /* Avoid seeing '() :' after '?' as constructor init. */
5790 else if (!vim_isIDc(s
[0]))
5792 /* if it is not an identifier, we are wrong */
5793 class_or_struct
= FALSE
;
5794 lookfor_ctor_init
= FALSE
;
5798 /* it can't be a constructor-initialization any more */
5799 lookfor_ctor_init
= FALSE
;
5801 /* the first statement starts here: lineup with this one... */
5803 *col
= (colnr_T
)(s
- line
);
5806 /* When the line ends in a comma don't align with it. */
5807 if (lnum
== curwin
->w_cursor
.lnum
&& *s
== ',' && cin_nocode(s
+ 1))
5810 s
= cin_skipcomment(s
+ 1);
5814 return cpp_base_class
;
5818 get_baseclass_amount(col
, ind_maxparen
, ind_maxcomment
, ind_cpp_baseclass
)
5822 int ind_cpp_baseclass
;
5830 amount
= get_indent();
5831 if (find_last_paren(ml_get_curline(), '(', ')')
5832 && (trypos
= find_match_paren(ind_maxparen
,
5833 ind_maxcomment
)) != NULL
)
5834 amount
= get_indent_lnum(trypos
->lnum
); /* XXX */
5835 if (!cin_ends_in(ml_get_curline(), (char_u
*)",", NULL
))
5836 amount
+= ind_cpp_baseclass
;
5840 curwin
->w_cursor
.col
= col
;
5841 getvcol(curwin
, &curwin
->w_cursor
, &vcol
, NULL
, NULL
);
5844 if (amount
< ind_cpp_baseclass
)
5845 amount
= ind_cpp_baseclass
;
5850 * Return TRUE if string "s" ends with the string "find", possibly followed by
5851 * white space and comments. Skip strings and comments.
5852 * Ignore "ignore" after "find" if it's not NULL.
5855 cin_ends_in(s
, find
, ignore
)
5862 int len
= (int)STRLEN(find
);
5866 p
= cin_skipcomment(p
);
5867 if (STRNCMP(p
, find
, len
) == 0)
5869 r
= skipwhite(p
+ len
);
5870 if (ignore
!= NULL
&& STRNCMP(r
, ignore
, STRLEN(ignore
)) == 0)
5871 r
= skipwhite(r
+ STRLEN(ignore
));
5882 * Skip strings, chars and comments until at or past "trypos".
5883 * Return the column found.
5886 cin_skip2pos(trypos
)
5892 p
= line
= ml_get(trypos
->lnum
);
5893 while (*p
&& (colnr_T
)(p
- line
) < trypos
->col
)
5895 if (cin_iscomment(p
))
5896 p
= cin_skipcomment(p
);
5903 return (int)(p
- line
);
5907 * Find the '{' at the start of the block we are in.
5908 * Return NULL if no match found.
5909 * Ignore a '{' that is in a comment, makes indenting the next three lines
5916 find_start_brace(ind_maxcomment
) /* XXX */
5922 static pos_T pos_copy
;
5924 cursor_save
= curwin
->w_cursor
;
5925 while ((trypos
= findmatchlimit(NULL
, '{', FM_BLOCKSTOP
, 0)) != NULL
)
5927 pos_copy
= *trypos
; /* copy pos_T, next findmatch will change it */
5929 curwin
->w_cursor
= *trypos
;
5931 /* ignore the { if it's in a // or / * * / comment */
5932 if ((colnr_T
)cin_skip2pos(trypos
) == trypos
->col
5933 && (pos
= find_start_comment(ind_maxcomment
)) == NULL
) /* XXX */
5936 curwin
->w_cursor
.lnum
= pos
->lnum
;
5938 curwin
->w_cursor
= cursor_save
;
5943 * Find the matching '(', failing if it is in a comment.
5944 * Return NULL of no match found.
5947 find_match_paren(ind_maxparen
, ind_maxcomment
) /* XXX */
5953 static pos_T pos_copy
;
5955 cursor_save
= curwin
->w_cursor
;
5956 if ((trypos
= findmatchlimit(NULL
, '(', 0, ind_maxparen
)) != NULL
)
5958 /* check if the ( is in a // comment */
5959 if ((colnr_T
)cin_skip2pos(trypos
) > trypos
->col
)
5963 pos_copy
= *trypos
; /* copy trypos, findmatch will change it */
5965 curwin
->w_cursor
= *trypos
;
5966 if (find_start_comment(ind_maxcomment
) != NULL
) /* XXX */
5970 curwin
->w_cursor
= cursor_save
;
5975 * Return ind_maxparen corrected for the difference in line number between the
5976 * cursor position and "startpos". This makes sure that searching for a
5977 * matching paren above the cursor line doesn't find a match because of
5978 * looking a few lines further.
5981 corr_ind_maxparen(ind_maxparen
, startpos
)
5985 long n
= (long)startpos
->lnum
- (long)curwin
->w_cursor
.lnum
;
5987 if (n
> 0 && n
< ind_maxparen
/ 2)
5988 return ind_maxparen
- (int)n
;
5989 return ind_maxparen
;
5993 * Set w_cursor.col to the column number of the last unmatched ')' or '{' in
5997 find_last_paren(l
, start
, end
)
6005 curwin
->w_cursor
.col
= 0; /* default is start of line */
6007 for (i
= 0; l
[i
]; i
++)
6009 i
= (int)(cin_skipcomment(l
+ i
) - l
); /* ignore parens in comments */
6010 i
= (int)(skip_string(l
+ i
) - l
); /* ignore parens in quotes */
6013 else if (l
[i
] == end
)
6019 curwin
->w_cursor
.col
= i
;
6031 * spaces from a block's opening brace the prevailing indent for that
6034 int ind_level
= curbuf
->b_p_sw
;
6037 * spaces from the edge of the line an open brace that's at the end of a
6038 * line is imagined to be.
6040 int ind_open_imag
= 0;
6043 * spaces from the prevailing indent for a line that is not precededof by
6046 int ind_no_brace
= 0;
6049 * column where the first { of a function should be located }
6051 int ind_first_open
= 0;
6054 * spaces from the prevailing indent a leftmost open brace should be
6057 int ind_open_extra
= 0;
6060 * spaces from the matching open brace (real location for one at the left
6061 * edge; imaginary location from one that ends a line) the matching close
6062 * brace should be located
6064 int ind_close_extra
= 0;
6067 * spaces from the edge of the line an open brace sitting in the leftmost
6068 * column is imagined to be
6070 int ind_open_left_imag
= 0;
6073 * spaces from the switch() indent a "case xx" label should be located
6075 int ind_case
= curbuf
->b_p_sw
;
6078 * spaces from the "case xx:" code after a switch() should be located
6080 int ind_case_code
= curbuf
->b_p_sw
;
6083 * lineup break at end of case in switch() with case label
6085 int ind_case_break
= 0;
6088 * spaces from the class declaration indent a scope declaration label
6091 int ind_scopedecl
= curbuf
->b_p_sw
;
6094 * spaces from the scope declaration label code should be located
6096 int ind_scopedecl_code
= curbuf
->b_p_sw
;
6099 * amount K&R-style parameters should be indented
6101 int ind_param
= curbuf
->b_p_sw
;
6104 * amount a function type spec should be indented
6106 int ind_func_type
= curbuf
->b_p_sw
;
6109 * amount a cpp base class declaration or constructor initialization
6110 * should be indented
6112 int ind_cpp_baseclass
= curbuf
->b_p_sw
;
6115 * additional spaces beyond the prevailing indent a continuation line
6118 int ind_continuation
= curbuf
->b_p_sw
;
6121 * spaces from the indent of the line with an unclosed parentheses
6123 int ind_unclosed
= curbuf
->b_p_sw
* 2;
6126 * spaces from the indent of the line with an unclosed parentheses, which
6127 * itself is also unclosed
6129 int ind_unclosed2
= curbuf
->b_p_sw
;
6132 * suppress ignoring spaces from the indent of a line starting with an
6133 * unclosed parentheses.
6135 int ind_unclosed_noignore
= 0;
6138 * If the opening paren is the last nonwhite character on the line, and
6139 * ind_unclosed_wrapped is nonzero, use this indent relative to the outer
6140 * context (for very long lines).
6142 int ind_unclosed_wrapped
= 0;
6145 * suppress ignoring white space when lining up with the character after
6146 * an unclosed parentheses.
6148 int ind_unclosed_whiteok
= 0;
6151 * indent a closing parentheses under the line start of the matching
6152 * opening parentheses.
6154 int ind_matching_paren
= 0;
6157 * indent a closing parentheses under the previous line.
6159 int ind_paren_prev
= 0;
6162 * Extra indent for comments.
6164 int ind_comment
= 0;
6167 * spaces from the comment opener when there is nothing after it.
6169 int ind_in_comment
= 3;
6172 * boolean: if non-zero, use ind_in_comment even if there is something
6173 * after the comment opener.
6175 int ind_in_comment2
= 0;
6178 * max lines to search for an open paren
6180 int ind_maxparen
= 20;
6183 * max lines to search for an open comment
6185 int ind_maxcomment
= 70;
6188 * handle braces for java code
6193 * handle blocked cases correctly
6195 int ind_keep_case_label
= 0;
6200 int cur_amount
= MAXCOL
;
6205 pos_T
*tryposBrace
= NULL
;
6206 pos_T our_paren_pos
;
6209 #define BRACE_IN_COL0 1 /* '{' is in column 0 */
6210 #define BRACE_AT_START 2 /* '{' is at start of line */
6211 #define BRACE_AT_END 3 /* '{' is at end of line */
6217 #define LOOKFOR_INITIAL 0
6218 #define LOOKFOR_IF 1
6219 #define LOOKFOR_DO 2
6220 #define LOOKFOR_CASE 3
6221 #define LOOKFOR_ANY 4
6222 #define LOOKFOR_TERM 5
6223 #define LOOKFOR_UNTERM 6
6224 #define LOOKFOR_SCOPEDECL 7
6225 #define LOOKFOR_NOBREAK 8
6226 #define LOOKFOR_CPP_BASECLASS 9
6227 #define LOOKFOR_ENUM_OR_INIT 10
6232 int fraction
= 0; /* init for GCC */
6237 int cont_amount
= 0; /* amount for continuation line */
6239 for (options
= curbuf
->b_p_cino
; *options
; )
6242 if (*options
== '-')
6244 n
= getdigits(&options
);
6246 if (*options
== '.') /* ".5s" means a fraction */
6248 fraction
= atol((char *)++options
);
6249 while (VIM_ISDIGIT(*options
))
6258 if (*options
== 's') /* "2s" means two times 'shiftwidth' */
6260 if (n
== 0 && fraction
== 0)
6261 n
= curbuf
->b_p_sw
; /* just "s" is one 'shiftwidth' */
6264 n
*= curbuf
->b_p_sw
;
6266 n
+= (curbuf
->b_p_sw
* fraction
+ divider
/ 2) / divider
;
6272 /* When adding an entry here, also update the default 'cinoptions' in
6273 * doc/indent.txt, and add explanation for it! */
6276 case '>': ind_level
= n
; break;
6277 case 'e': ind_open_imag
= n
; break;
6278 case 'n': ind_no_brace
= n
; break;
6279 case 'f': ind_first_open
= n
; break;
6280 case '{': ind_open_extra
= n
; break;
6281 case '}': ind_close_extra
= n
; break;
6282 case '^': ind_open_left_imag
= n
; break;
6283 case ':': ind_case
= n
; break;
6284 case '=': ind_case_code
= n
; break;
6285 case 'b': ind_case_break
= n
; break;
6286 case 'p': ind_param
= n
; break;
6287 case 't': ind_func_type
= n
; break;
6288 case '/': ind_comment
= n
; break;
6289 case 'c': ind_in_comment
= n
; break;
6290 case 'C': ind_in_comment2
= n
; break;
6291 case 'i': ind_cpp_baseclass
= n
; break;
6292 case '+': ind_continuation
= n
; break;
6293 case '(': ind_unclosed
= n
; break;
6294 case 'u': ind_unclosed2
= n
; break;
6295 case 'U': ind_unclosed_noignore
= n
; break;
6296 case 'W': ind_unclosed_wrapped
= n
; break;
6297 case 'w': ind_unclosed_whiteok
= n
; break;
6298 case 'm': ind_matching_paren
= n
; break;
6299 case 'M': ind_paren_prev
= n
; break;
6300 case ')': ind_maxparen
= n
; break;
6301 case '*': ind_maxcomment
= n
; break;
6302 case 'g': ind_scopedecl
= n
; break;
6303 case 'h': ind_scopedecl_code
= n
; break;
6304 case 'j': ind_java
= n
; break;
6305 case 'l': ind_keep_case_label
= n
; break;
6306 case '#': ind_hash_comment
= n
; break;
6310 /* remember where the cursor was when we started */
6311 cur_curpos
= curwin
->w_cursor
;
6313 /* Get a copy of the current contents of the line.
6314 * This is required, because only the most recent line obtained with
6315 * ml_get is valid! */
6316 linecopy
= vim_strsave(ml_get(cur_curpos
.lnum
));
6317 if (linecopy
== NULL
)
6321 * In insert mode and the cursor is on a ')' truncate the line at the
6322 * cursor position. We don't want to line up with the matching '(' when
6323 * inserting new stuff.
6324 * For unknown reasons the cursor might be past the end of the line, thus
6327 if ((State
& INSERT
)
6328 && curwin
->w_cursor
.col
< (colnr_T
)STRLEN(linecopy
)
6329 && linecopy
[curwin
->w_cursor
.col
] == ')')
6330 linecopy
[curwin
->w_cursor
.col
] = NUL
;
6332 theline
= skipwhite(linecopy
);
6334 /* move the cursor to the start of the line */
6336 curwin
->w_cursor
.col
= 0;
6339 * #defines and so on always go at the left when included in 'cinkeys'.
6341 if (*theline
== '#' && (*linecopy
== '#' || in_cinkeys('#', ' ', TRUE
)))
6347 * Is it a non-case label? Then that goes at the left margin too.
6349 else if (cin_islabel(ind_maxcomment
)) /* XXX */
6355 * If we're inside a "//" comment and there is a "//" comment in a
6356 * previous line, lineup with that one.
6358 else if (cin_islinecomment(theline
)
6359 && (trypos
= find_line_comment()) != NULL
) /* XXX */
6361 /* find how indented the line beginning the comment is */
6362 getvcol(curwin
, trypos
, &col
, NULL
, NULL
);
6367 * If we're inside a comment and not looking at the start of the
6368 * comment, try using the 'comments' option.
6370 else if (!cin_iscomment(theline
)
6371 && (trypos
= find_start_comment(ind_maxcomment
)) != NULL
) /* XXX */
6373 int lead_start_len
= 2;
6374 int lead_middle_len
= 1;
6375 char_u lead_start
[COM_MAX_LEN
]; /* start-comment string */
6376 char_u lead_middle
[COM_MAX_LEN
]; /* middle-comment string */
6377 char_u lead_end
[COM_MAX_LEN
]; /* end-comment string */
6379 int start_align
= 0;
6383 /* find how indented the line beginning the comment is */
6384 getvcol(curwin
, trypos
, &col
, NULL
, NULL
);
6387 p
= curbuf
->b_p_com
;
6394 while (*p
!= NUL
&& *p
!= ':')
6396 if (*p
== COM_START
|| *p
== COM_END
|| *p
== COM_MIDDLE
)
6398 else if (*p
== COM_LEFT
|| *p
== COM_RIGHT
)
6400 else if (VIM_ISDIGIT(*p
) || *p
== '-')
6401 off
= getdigits(&p
);
6408 (void)copy_option_part(&p
, lead_end
, COM_MAX_LEN
, ",");
6409 if (what
== COM_START
)
6411 STRCPY(lead_start
, lead_end
);
6412 lead_start_len
= (int)STRLEN(lead_start
);
6414 start_align
= align
;
6416 else if (what
== COM_MIDDLE
)
6418 STRCPY(lead_middle
, lead_end
);
6419 lead_middle_len
= (int)STRLEN(lead_middle
);
6421 else if (what
== COM_END
)
6423 /* If our line starts with the middle comment string, line it
6424 * up with the comment opener per the 'comments' option. */
6425 if (STRNCMP(theline
, lead_middle
, lead_middle_len
) == 0
6426 && STRNCMP(theline
, lead_end
, STRLEN(lead_end
)) != 0)
6429 if (curwin
->w_cursor
.lnum
> 1)
6431 /* If the start comment string matches in the previous
6432 * line, use the indent of that line plus offset. If
6433 * the middle comment string matches in the previous
6434 * line, use the indent of that line. XXX */
6435 look
= skipwhite(ml_get(curwin
->w_cursor
.lnum
- 1));
6436 if (STRNCMP(look
, lead_start
, lead_start_len
) == 0)
6437 amount
= get_indent_lnum(curwin
->w_cursor
.lnum
- 1);
6438 else if (STRNCMP(look
, lead_middle
,
6439 lead_middle_len
) == 0)
6441 amount
= get_indent_lnum(curwin
->w_cursor
.lnum
- 1);
6444 /* If the start comment string doesn't match with the
6445 * start of the comment, skip this entry. XXX */
6446 else if (STRNCMP(ml_get(trypos
->lnum
) + trypos
->col
,
6447 lead_start
, lead_start_len
) != 0)
6451 amount
+= start_off
;
6452 else if (start_align
== COM_RIGHT
)
6453 amount
+= vim_strsize(lead_start
)
6454 - vim_strsize(lead_middle
);
6458 /* If our line starts with the end comment string, line it up
6459 * with the middle comment */
6460 if (STRNCMP(theline
, lead_middle
, lead_middle_len
) != 0
6461 && STRNCMP(theline
, lead_end
, STRLEN(lead_end
)) == 0)
6463 amount
= get_indent_lnum(curwin
->w_cursor
.lnum
- 1);
6467 else if (align
== COM_RIGHT
)
6468 amount
+= vim_strsize(lead_start
)
6469 - vim_strsize(lead_middle
);
6476 /* If our line starts with an asterisk, line up with the
6477 * asterisk in the comment opener; otherwise, line up
6478 * with the first character of the comment text.
6482 else if (theline
[0] == '*')
6487 * If we are more than one line away from the comment opener, take
6488 * the indent of the previous non-empty line. If 'cino' has "CO"
6489 * and we are just below the comment opener and there are any
6490 * white characters after it line up with the text after it;
6491 * otherwise, add the amount specified by "c" in 'cino'
6494 for (lnum
= cur_curpos
.lnum
- 1; lnum
> trypos
->lnum
; --lnum
)
6496 if (linewhite(lnum
)) /* skip blank lines */
6498 amount
= get_indent_lnum(lnum
); /* XXX */
6501 if (amount
== -1) /* use the comment opener */
6503 if (!ind_in_comment2
)
6505 start
= ml_get(trypos
->lnum
);
6506 look
= start
+ trypos
->col
+ 2; /* skip / and * */
6507 if (*look
!= NUL
) /* if something after it */
6508 trypos
->col
= (colnr_T
)(skipwhite(look
) - start
);
6510 getvcol(curwin
, trypos
, &col
, NULL
, NULL
);
6512 if (ind_in_comment2
|| *look
== NUL
)
6513 amount
+= ind_in_comment
;
6519 * Are we inside parentheses or braces?
6521 else if (((trypos
= find_match_paren(ind_maxparen
, ind_maxcomment
)) != NULL
6523 || (tryposBrace
= find_start_brace(ind_maxcomment
)) != NULL
6526 if (trypos
!= NULL
&& tryposBrace
!= NULL
)
6528 /* Both an unmatched '(' and '{' is found. Use the one which is
6529 * closer to the current cursor position, set the other to NULL. */
6530 if (trypos
->lnum
!= tryposBrace
->lnum
6531 ? trypos
->lnum
< tryposBrace
->lnum
6532 : trypos
->col
< tryposBrace
->col
)
6541 * If the matching paren is more than one line away, use the indent of
6542 * a previous non-empty line that matches the same paren.
6544 if (theline
[0] == ')' && ind_paren_prev
)
6546 /* Line up with the start of the matching paren line. */
6547 amount
= get_indent_lnum(curwin
->w_cursor
.lnum
- 1); /* XXX */
6552 our_paren_pos
= *trypos
;
6553 for (lnum
= cur_curpos
.lnum
- 1; lnum
> our_paren_pos
.lnum
; --lnum
)
6555 l
= skipwhite(ml_get(lnum
));
6556 if (cin_nocode(l
)) /* skip comment lines */
6558 if (cin_ispreproc_cont(&l
, &lnum
))
6559 continue; /* ignore #define, #if, etc. */
6560 curwin
->w_cursor
.lnum
= lnum
;
6562 /* Skip a comment. XXX */
6563 if ((trypos
= find_start_comment(ind_maxcomment
)) != NULL
)
6565 lnum
= trypos
->lnum
+ 1;
6570 if ((trypos
= find_match_paren(
6571 corr_ind_maxparen(ind_maxparen
, &cur_curpos
),
6572 ind_maxcomment
)) != NULL
6573 && trypos
->lnum
== our_paren_pos
.lnum
6574 && trypos
->col
== our_paren_pos
.col
)
6576 amount
= get_indent_lnum(lnum
); /* XXX */
6578 if (theline
[0] == ')')
6580 if (our_paren_pos
.lnum
!= lnum
6581 && cur_amount
> amount
)
6582 cur_amount
= amount
;
6591 * Line up with line where the matching paren is. XXX
6592 * If the line starts with a '(' or the indent for unclosed
6593 * parentheses is zero, line up with the unclosed parentheses.
6597 int ignore_paren_col
= 0;
6599 amount
= skip_label(our_paren_pos
.lnum
, &look
, ind_maxcomment
);
6600 look
= skipwhite(look
);
6603 linenr_T save_lnum
= curwin
->w_cursor
.lnum
;
6607 /* Ignore a '(' in front of the line that has a match before
6608 * our matching '('. */
6609 curwin
->w_cursor
.lnum
= our_paren_pos
.lnum
;
6610 line
= ml_get_curline();
6611 look_col
= (int)(look
- line
);
6612 curwin
->w_cursor
.col
= look_col
+ 1;
6613 if ((trypos
= findmatchlimit(NULL
, ')', 0, ind_maxparen
))
6615 && trypos
->lnum
== our_paren_pos
.lnum
6616 && trypos
->col
< our_paren_pos
.col
)
6617 ignore_paren_col
= trypos
->col
+ 1;
6619 curwin
->w_cursor
.lnum
= save_lnum
;
6620 look
= ml_get(our_paren_pos
.lnum
) + look_col
;
6622 if (theline
[0] == ')' || ind_unclosed
== 0
6623 || (!ind_unclosed_noignore
&& *look
== '('
6624 && ignore_paren_col
== 0))
6627 * If we're looking at a close paren, line up right there;
6628 * otherwise, line up with the next (non-white) character.
6629 * When ind_unclosed_wrapped is set and the matching paren is
6630 * the last nonwhite character of the line, use either the
6631 * indent of the current line or the indentation of the next
6632 * outer paren and add ind_unclosed_wrapped (for very long
6635 if (theline
[0] != ')')
6637 cur_amount
= MAXCOL
;
6638 l
= ml_get(our_paren_pos
.lnum
);
6639 if (ind_unclosed_wrapped
6640 && cin_ends_in(l
, (char_u
*)"(", NULL
))
6642 /* look for opening unmatched paren, indent one level
6643 * for each additional level */
6645 for (col
= 0; col
< our_paren_pos
.col
; ++col
)
6654 case '}': if (n
> 1)
6660 our_paren_pos
.col
= 0;
6661 amount
+= n
* ind_unclosed_wrapped
;
6663 else if (ind_unclosed_whiteok
)
6664 our_paren_pos
.col
++;
6667 col
= our_paren_pos
.col
+ 1;
6668 while (vim_iswhite(l
[col
]))
6670 if (l
[col
] != NUL
) /* In case of trailing space */
6671 our_paren_pos
.col
= col
;
6673 our_paren_pos
.col
++;
6678 * Find how indented the paren is, or the character after it
6679 * if we did the above "if".
6681 if (our_paren_pos
.col
> 0)
6683 getvcol(curwin
, &our_paren_pos
, &col
, NULL
, NULL
);
6684 if (cur_amount
> (int)col
)
6689 if (theline
[0] == ')' && ind_matching_paren
)
6691 /* Line up with the start of the matching paren line. */
6693 else if (ind_unclosed
== 0 || (!ind_unclosed_noignore
6694 && *look
== '(' && ignore_paren_col
== 0))
6696 if (cur_amount
!= MAXCOL
)
6697 amount
= cur_amount
;
6701 /* Add ind_unclosed2 for each '(' before our matching one, but
6702 * ignore (void) before the line (ignore_paren_col). */
6703 col
= our_paren_pos
.col
;
6704 while ((int)our_paren_pos
.col
> ignore_paren_col
)
6706 --our_paren_pos
.col
;
6707 switch (*ml_get_pos(&our_paren_pos
))
6709 case '(': amount
+= ind_unclosed2
;
6710 col
= our_paren_pos
.col
;
6712 case ')': amount
-= ind_unclosed2
;
6718 /* Use ind_unclosed once, when the first '(' is not inside
6721 amount
+= ind_unclosed
;
6724 curwin
->w_cursor
.lnum
= our_paren_pos
.lnum
;
6725 curwin
->w_cursor
.col
= col
;
6726 if ((trypos
= find_match_paren(ind_maxparen
,
6727 ind_maxcomment
)) != NULL
)
6728 amount
+= ind_unclosed2
;
6730 amount
+= ind_unclosed
;
6733 * For a line starting with ')' use the minimum of the two
6734 * positions, to avoid giving it more indent than the previous
6736 * func_long_name( if (x
6738 * ) ^ not here ) ^ not here
6740 if (cur_amount
< amount
)
6741 amount
= cur_amount
;
6745 /* add extra indent for a comment */
6746 if (cin_iscomment(theline
))
6747 amount
+= ind_comment
;
6751 * Are we at least inside braces, then?
6755 trypos
= tryposBrace
;
6757 ourscope
= trypos
->lnum
;
6758 start
= ml_get(ourscope
);
6761 * Now figure out how indented the line is in general.
6762 * If the brace was at the start of the line, we use that;
6763 * otherwise, check out the indentation of the line as
6764 * a whole and then add the "imaginary indent" to that.
6766 look
= skipwhite(start
);
6769 getvcol(curwin
, trypos
, &col
, NULL
, NULL
);
6772 start_brace
= BRACE_IN_COL0
;
6774 start_brace
= BRACE_AT_START
;
6779 * that opening brace might have been on a continuation
6780 * line. if so, find the start of the line.
6782 curwin
->w_cursor
.lnum
= ourscope
;
6785 * position the cursor over the rightmost paren, so that
6786 * matching it will take us back to the start of the line.
6789 if (find_last_paren(start
, '(', ')')
6790 && (trypos
= find_match_paren(ind_maxparen
,
6791 ind_maxcomment
)) != NULL
)
6792 lnum
= trypos
->lnum
;
6795 * It could have been something like
6796 * case 1: if (asdf &&
6800 if (ind_keep_case_label
&& cin_iscase(skipwhite(ml_get_curline())))
6801 amount
= get_indent();
6803 amount
= skip_label(lnum
, &l
, ind_maxcomment
);
6805 start_brace
= BRACE_AT_END
;
6809 * if we're looking at a closing brace, that's where
6810 * we want to be. otherwise, add the amount of room
6811 * that an indent is supposed to be.
6813 if (theline
[0] == '}')
6816 * they may want closing braces to line up with something
6817 * other than the open brace. indulge them, if so.
6819 amount
+= ind_close_extra
;
6824 * If we're looking at an "else", try to find an "if"
6826 * If we're looking at a "while", try to find a "do"
6829 lookfor
= LOOKFOR_INITIAL
;
6830 if (cin_iselse(theline
))
6831 lookfor
= LOOKFOR_IF
;
6832 else if (cin_iswhileofdo(theline
, cur_curpos
.lnum
, ind_maxparen
))
6834 lookfor
= LOOKFOR_DO
;
6835 if (lookfor
!= LOOKFOR_INITIAL
)
6837 curwin
->w_cursor
.lnum
= cur_curpos
.lnum
;
6838 if (find_match(lookfor
, ourscope
, ind_maxparen
,
6839 ind_maxcomment
) == OK
)
6841 amount
= get_indent(); /* XXX */
6847 * We get here if we are not on an "while-of-do" or "else" (or
6848 * failed to find a matching "if").
6849 * Search backwards for something to line up with.
6850 * First set amount for when we don't find anything.
6854 * if the '{' is _really_ at the left margin, use the imaginary
6855 * location of a left-margin brace. Otherwise, correct the
6856 * location for ind_open_extra.
6859 if (start_brace
== BRACE_IN_COL0
) /* '{' is in column 0 */
6861 amount
= ind_open_left_imag
;
6865 if (start_brace
== BRACE_AT_END
) /* '{' is at end of line */
6866 amount
+= ind_open_imag
;
6869 /* Compensate for adding ind_open_extra later. */
6870 amount
-= ind_open_extra
;
6876 lookfor_break
= FALSE
;
6878 if (cin_iscase(theline
)) /* it's a switch() label */
6880 lookfor
= LOOKFOR_CASE
; /* find a previous switch() label */
6883 else if (cin_isscopedecl(theline
)) /* private:, ... */
6885 lookfor
= LOOKFOR_SCOPEDECL
; /* class decl is this block */
6886 amount
+= ind_scopedecl
;
6890 if (ind_case_break
&& cin_isbreak(theline
)) /* break; ... */
6891 lookfor_break
= TRUE
;
6893 lookfor
= LOOKFOR_INITIAL
;
6894 amount
+= ind_level
; /* ind_level from start of block */
6896 scope_amount
= amount
;
6900 * Search backwards. If we find something we recognize, line up
6903 * if we're looking at an open brace, indent
6904 * the usual amount relative to the conditional
6905 * that opens the block.
6907 curwin
->w_cursor
= cur_curpos
;
6910 curwin
->w_cursor
.lnum
--;
6911 curwin
->w_cursor
.col
= 0;
6914 * If we went all the way back to the start of our scope, line
6917 if (curwin
->w_cursor
.lnum
<= ourscope
)
6919 /* we reached end of scope:
6920 * if looking for a enum or structure initialization
6922 * if it is an initializer (enum xxx or xxx =), then
6923 * don't add ind_continuation, otherwise it is a variable
6926 * here; <-- add ind_continuation
6928 if (lookfor
== LOOKFOR_ENUM_OR_INIT
)
6930 if (curwin
->w_cursor
.lnum
== 0
6931 || curwin
->w_cursor
.lnum
6932 < ourscope
- ind_maxparen
)
6934 /* nothing found (abuse ind_maxparen as limit)
6935 * assume terminated line (i.e. a variable
6936 * initialization) */
6937 if (cont_amount
> 0)
6938 amount
= cont_amount
;
6940 amount
+= ind_continuation
;
6944 l
= ml_get_curline();
6947 * If we're in a comment now, skip to the start of the
6950 trypos
= find_start_comment(ind_maxcomment
);
6953 curwin
->w_cursor
.lnum
= trypos
->lnum
+ 1;
6954 curwin
->w_cursor
.col
= 0;
6959 * Skip preprocessor directives and blank lines.
6961 if (cin_ispreproc_cont(&l
, &curwin
->w_cursor
.lnum
))
6967 terminated
= cin_isterminated(l
, FALSE
, TRUE
);
6970 * If we are at top level and the line looks like a
6971 * function declaration, we are done
6972 * (it's a variable declaration).
6974 if (start_brace
!= BRACE_IN_COL0
6975 || !cin_isfuncdecl(&l
, curwin
->w_cursor
.lnum
))
6977 /* if the line is terminated with another ','
6978 * it is a continued variable initialization.
6979 * don't add extra indent.
6980 * TODO: does not work, if a function
6981 * declaration is split over multiple lines:
6982 * cin_isfuncdecl returns FALSE then.
6984 if (terminated
== ',')
6987 /* if it es a enum declaration or an assignment,
6990 if (terminated
!= ';' && cin_isinit())
6993 /* nothing useful found */
6994 if (terminated
== 0 || terminated
== '{')
6998 if (terminated
!= ';')
7000 /* Skip parens and braces. Position the cursor
7001 * over the rightmost paren, so that matching it
7002 * will take us back to the start of the line.
7005 if (find_last_paren(l
, '(', ')'))
7006 trypos
= find_match_paren(ind_maxparen
,
7009 if (trypos
== NULL
&& find_last_paren(l
, '{', '}'))
7010 trypos
= find_start_brace(ind_maxcomment
);
7014 curwin
->w_cursor
.lnum
= trypos
->lnum
+ 1;
7015 curwin
->w_cursor
.col
= 0;
7020 /* it's a variable declaration, add indentation
7025 if (cont_amount
> 0)
7026 amount
= cont_amount
;
7028 amount
+= ind_continuation
;
7030 else if (lookfor
== LOOKFOR_UNTERM
)
7032 if (cont_amount
> 0)
7033 amount
= cont_amount
;
7035 amount
+= ind_continuation
;
7037 else if (lookfor
!= LOOKFOR_TERM
7038 && lookfor
!= LOOKFOR_CPP_BASECLASS
)
7040 amount
= scope_amount
;
7041 if (theline
[0] == '{')
7042 amount
+= ind_open_extra
;
7048 * If we're in a comment now, skip to the start of the comment.
7050 if ((trypos
= find_start_comment(ind_maxcomment
)) != NULL
)
7052 curwin
->w_cursor
.lnum
= trypos
->lnum
+ 1;
7053 curwin
->w_cursor
.col
= 0;
7057 l
= ml_get_curline();
7060 * If this is a switch() label, may line up relative to that.
7061 * If this is a C++ scope declaration, do the same.
7063 iscase
= cin_iscase(l
);
7064 if (iscase
|| cin_isscopedecl(l
))
7066 /* we are only looking for cpp base class
7067 * declaration/initialization any longer */
7068 if (lookfor
== LOOKFOR_CPP_BASECLASS
)
7071 /* When looking for a "do" we are not interested in
7078 * c = 99 + <- this indent plus continuation
7081 if (lookfor
== LOOKFOR_UNTERM
7082 || lookfor
== LOOKFOR_ENUM_OR_INIT
)
7084 if (cont_amount
> 0)
7085 amount
= cont_amount
;
7087 amount
+= ind_continuation
;
7092 * case xx: <- line up with this case
7096 if ( (iscase
&& lookfor
== LOOKFOR_CASE
)
7097 || (iscase
&& lookfor_break
)
7098 || (!iscase
&& lookfor
== LOOKFOR_SCOPEDECL
))
7101 * Check that this case label is not for another
7104 if ((trypos
= find_start_brace(ind_maxcomment
)) ==
7105 NULL
|| trypos
->lnum
== ourscope
)
7107 amount
= get_indent(); /* XXX */
7113 n
= get_indent_nolabel(curwin
->w_cursor
.lnum
); /* XXX */
7116 * case xx: if (cond) <- line up with this if
7121 * if (cond) <- line up with this line
7125 if (lookfor
== LOOKFOR_TERM
)
7135 * case xx: x = x + 1; <- line up with this x
7138 * case xx: if (cond) <- line up with this if
7144 l
= after_label(ml_get_curline());
7145 if (l
!= NULL
&& cin_is_cinword(l
))
7147 if (theline
[0] == '{')
7148 amount
+= ind_open_extra
;
7150 amount
+= ind_level
+ ind_no_brace
;
7156 * Try to get the indent of a statement before the switch
7157 * label. If nothing is found, line up relative to the
7159 * break; <- may line up with this line
7163 scope_amount
= get_indent() + (iscase
/* XXX */
7164 ? ind_case_code
: ind_scopedecl_code
);
7165 lookfor
= ind_case_break
? LOOKFOR_NOBREAK
: LOOKFOR_ANY
;
7170 * Looking for a switch() label or C++ scope declaration,
7171 * ignore other lines, skip {}-blocks.
7173 if (lookfor
== LOOKFOR_CASE
|| lookfor
== LOOKFOR_SCOPEDECL
)
7175 if (find_last_paren(l
, '{', '}') && (trypos
=
7176 find_start_brace(ind_maxcomment
)) != NULL
)
7178 curwin
->w_cursor
.lnum
= trypos
->lnum
+ 1;
7179 curwin
->w_cursor
.col
= 0;
7185 * Ignore jump labels with nothing after them.
7187 if (cin_islabel(ind_maxcomment
))
7189 l
= after_label(ml_get_curline());
7190 if (l
== NULL
|| cin_nocode(l
))
7195 * Ignore #defines, #if, etc.
7196 * Ignore comment and empty lines.
7197 * (need to get the line again, cin_islabel() may have
7200 l
= ml_get_curline();
7201 if (cin_ispreproc_cont(&l
, &curwin
->w_cursor
.lnum
)
7206 * Are we at the start of a cpp base class declaration or
7207 * constructor initialization?
7210 if (lookfor
!= LOOKFOR_TERM
&& ind_cpp_baseclass
> 0)
7212 n
= cin_is_cpp_baseclass(&col
);
7213 l
= ml_get_curline();
7217 if (lookfor
== LOOKFOR_UNTERM
)
7219 if (cont_amount
> 0)
7220 amount
= cont_amount
;
7222 amount
+= ind_continuation
;
7224 else if (theline
[0] == '{')
7226 /* Need to find start of the declaration. */
7227 lookfor
= LOOKFOR_UNTERM
;
7228 ind_continuation
= 0;
7233 amount
= get_baseclass_amount(col
, ind_maxparen
,
7234 ind_maxcomment
, ind_cpp_baseclass
);
7237 else if (lookfor
== LOOKFOR_CPP_BASECLASS
)
7239 /* only look, whether there is a cpp base class
7240 * declaration or initialization before the opening brace.
7242 if (cin_isterminated(l
, TRUE
, FALSE
))
7249 * What happens next depends on the line being terminated.
7250 * If terminated with a ',' only consider it terminating if
7251 * there is another unterminated statement behind, eg:
7255 * Otherwise check whether it is a enumeration or structure
7256 * initialisation (not indented) or a variable declaration
7259 terminated
= cin_isterminated(l
, FALSE
, TRUE
);
7261 if (terminated
== 0 || (lookfor
!= LOOKFOR_UNTERM
7262 && terminated
== ','))
7265 * if we're in the middle of a paren thing,
7266 * go back to the line that starts it so
7267 * we can get the right prevailing indent
7272 * position the cursor over the rightmost paren, so that
7273 * matching it will take us back to the start of the line.
7275 (void)find_last_paren(l
, '(', ')');
7276 trypos
= find_match_paren(
7277 corr_ind_maxparen(ind_maxparen
, &cur_curpos
),
7281 * If we are looking for ',', we also look for matching
7284 if (trypos
== NULL
&& terminated
== ','
7285 && find_last_paren(l
, '{', '}'))
7286 trypos
= find_start_brace(ind_maxcomment
);
7291 * Check if we are on a case label now. This is
7293 * case xx: if ( asdf &&
7296 curwin
->w_cursor
= *trypos
;
7297 l
= ml_get_curline();
7298 if (cin_iscase(l
) || cin_isscopedecl(l
))
7300 ++curwin
->w_cursor
.lnum
;
7301 curwin
->w_cursor
.col
= 0;
7307 * Skip over continuation lines to find the one to get the
7309 * char *usethis = "bla\
7313 if (terminated
== ',')
7315 while (curwin
->w_cursor
.lnum
> 1)
7317 l
= ml_get(curwin
->w_cursor
.lnum
- 1);
7318 if (*l
== NUL
|| l
[STRLEN(l
) - 1] != '\\')
7320 --curwin
->w_cursor
.lnum
;
7321 curwin
->w_cursor
.col
= 0;
7326 * Get indent and pointer to text for current line,
7327 * ignoring any jump label. XXX
7329 cur_amount
= skip_label(curwin
->w_cursor
.lnum
,
7330 &l
, ind_maxcomment
);
7333 * If this is just above the line we are indenting, and it
7334 * starts with a '{', line it up with this line.
7339 if (terminated
!= ',' && lookfor
!= LOOKFOR_TERM
7340 && theline
[0] == '{')
7342 amount
= cur_amount
;
7344 * Only add ind_open_extra when the current line
7345 * doesn't start with a '{', which must have a match
7346 * in the same line (scope is the same). Probably:
7350 if (*skipwhite(l
) != '{')
7351 amount
+= ind_open_extra
;
7353 if (ind_cpp_baseclass
)
7355 /* have to look back, whether it is a cpp base
7356 * class declaration or initialization */
7357 lookfor
= LOOKFOR_CPP_BASECLASS
;
7364 * Check if we are after an "if", "while", etc.
7365 * Also allow " } else".
7367 if (cin_is_cinword(l
) || cin_iselse(skipwhite(l
)))
7370 * Found an unterminated line after an if (), line up
7371 * with the last one.
7376 if (lookfor
== LOOKFOR_UNTERM
7377 || lookfor
== LOOKFOR_ENUM_OR_INIT
)
7379 if (cont_amount
> 0)
7380 amount
= cont_amount
;
7382 amount
+= ind_continuation
;
7387 * If this is just above the line we are indenting, we
7391 * Otherwise this indent can be used when the line
7392 * before this is terminated.
7399 amount
= cur_amount
;
7400 if (theline
[0] == '{')
7401 amount
+= ind_open_extra
;
7402 if (lookfor
!= LOOKFOR_TERM
)
7404 amount
+= ind_level
+ ind_no_brace
;
7409 * Special trick: when expecting the while () after a
7410 * do, line up with the while()
7415 l
= skipwhite(ml_get_curline());
7418 if (whilelevel
== 0)
7424 * When searching for a terminated line, don't use the
7425 * one between the "if" and the "else".
7426 * Need to use the scope of this "else". XXX
7427 * If whilelevel != 0 continue looking for a "do {".
7431 && ((trypos
= find_start_brace(ind_maxcomment
))
7433 || find_match(LOOKFOR_IF
, trypos
->lnum
,
7434 ind_maxparen
, ind_maxcomment
) == FAIL
))
7439 * If we're below an unterminated line that is not an
7440 * "if" or something, we may line up with this line or
7441 * add something for a continuation line, depending on
7442 * the line before this one.
7447 * Found two unterminated lines on a row, line up with
7453 if (lookfor
== LOOKFOR_UNTERM
)
7455 /* When line ends in a comma add extra indent */
7456 if (terminated
== ',')
7457 amount
+= ind_continuation
;
7461 if (lookfor
== LOOKFOR_ENUM_OR_INIT
)
7463 /* Found two lines ending in ',', lineup with the
7464 * lowest one, but check for cpp base class
7465 * declaration/initialization, if it is an
7466 * opening brace or we are looking just for
7467 * enumerations/initializations. */
7468 if (terminated
== ',')
7470 if (ind_cpp_baseclass
== 0)
7473 lookfor
= LOOKFOR_CPP_BASECLASS
;
7477 /* Ignore unterminated lines in between, but
7479 if (amount
> cur_amount
)
7480 amount
= cur_amount
;
7485 * Found first unterminated line on a row, may
7486 * line up with this line, remember its indent
7490 amount
= cur_amount
;
7493 * If previous line ends in ',', check whether we
7494 * are in an initialization or enum
7499 * or a normal possible continuation line.
7500 * but only, of no other statement has been found
7503 if (lookfor
== LOOKFOR_INITIAL
&& terminated
== ',')
7505 lookfor
= LOOKFOR_ENUM_OR_INIT
;
7506 cont_amount
= cin_first_id_amount();
7510 if (lookfor
== LOOKFOR_INITIAL
7512 && l
[STRLEN(l
) - 1] == '\\')
7514 cont_amount
= cin_get_equal_amount(
7515 curwin
->w_cursor
.lnum
);
7516 if (lookfor
!= LOOKFOR_TERM
)
7517 lookfor
= LOOKFOR_UNTERM
;
7524 * Check if we are after a while (cond);
7525 * If so: Ignore until the matching "do".
7528 else if (cin_iswhileofdo_end(terminated
, ind_maxparen
,
7532 * Found an unterminated line after a while ();, line up
7533 * with the last one.
7535 * 100 + <- line up with this one
7538 if (lookfor
== LOOKFOR_UNTERM
7539 || lookfor
== LOOKFOR_ENUM_OR_INIT
)
7541 if (cont_amount
> 0)
7542 amount
= cont_amount
;
7544 amount
+= ind_continuation
;
7548 if (whilelevel
== 0)
7550 lookfor
= LOOKFOR_TERM
;
7551 amount
= get_indent(); /* XXX */
7552 if (theline
[0] == '{')
7553 amount
+= ind_open_extra
;
7559 * We are after a "normal" statement.
7560 * If we had another statement we can stop now and use the
7561 * indent of that other statement.
7562 * Otherwise the indent of the current statement may be used,
7563 * search backwards for the next "normal" statement.
7568 * Skip single break line, if before a switch label. It
7569 * may be lined up with the case label.
7571 if (lookfor
== LOOKFOR_NOBREAK
7572 && cin_isbreak(skipwhite(ml_get_curline())))
7574 lookfor
= LOOKFOR_ANY
;
7579 * Handle "do {" line.
7583 l
= cin_skipcomment(ml_get_curline());
7586 amount
= get_indent(); /* XXX */
7593 * Found a terminated line above an unterminated line. Add
7594 * the amount for a continuation line.
7603 if (lookfor
== LOOKFOR_UNTERM
7604 || lookfor
== LOOKFOR_ENUM_OR_INIT
)
7606 if (cont_amount
> 0)
7607 amount
= cont_amount
;
7609 amount
+= ind_continuation
;
7614 * Found a terminated line above a terminated line or "if"
7615 * etc. line. Use the amount of the line below us.
7618 * while (asdf) ->here;
7622 if (lookfor
== LOOKFOR_TERM
)
7624 if (!lookfor_break
&& whilelevel
== 0)
7629 * First line above the one we're indenting is terminated.
7630 * To know what needs to be done look further backward for
7631 * a terminated line.
7636 * position the cursor over the rightmost paren, so
7637 * that matching it will take us back to the start of
7638 * the line. Helps for:
7644 l
= ml_get_curline();
7645 if (find_last_paren(l
, '(', ')')
7646 && (trypos
= find_match_paren(ind_maxparen
,
7647 ind_maxcomment
)) != NULL
)
7650 * Check if we are on a case label now. This is
7652 * case xx: if ( asdf &&
7655 curwin
->w_cursor
= *trypos
;
7656 l
= ml_get_curline();
7657 if (cin_iscase(l
) || cin_isscopedecl(l
))
7659 ++curwin
->w_cursor
.lnum
;
7660 curwin
->w_cursor
.col
= 0;
7665 /* When aligning with the case statement, don't align
7666 * with a statement after it.
7667 * case 1: { <-- don't use this { position
7674 iscase
= (ind_keep_case_label
&& cin_iscase(l
));
7677 * Get indent and pointer to text for current line,
7678 * ignoring any jump label.
7680 amount
= skip_label(curwin
->w_cursor
.lnum
,
7681 &l
, ind_maxcomment
);
7683 if (theline
[0] == '{')
7684 amount
+= ind_open_extra
;
7685 /* See remark above: "Only add ind_open_extra.." */
7688 amount
-= ind_open_extra
;
7689 lookfor
= iscase
? LOOKFOR_ANY
: LOOKFOR_TERM
;
7692 * When a terminated line starts with "else" skip to
7693 * the matching "if":
7696 * Need to use the scope of this "else". XXX
7697 * If whilelevel != 0 continue looking for a "do {".
7699 if (lookfor
== LOOKFOR_TERM
7704 if ((trypos
= find_start_brace(ind_maxcomment
))
7706 || find_match(LOOKFOR_IF
, trypos
->lnum
,
7707 ind_maxparen
, ind_maxcomment
) == FAIL
)
7713 * If we're at the end of a block, skip to the start of
7716 curwin
->w_cursor
.col
= 0;
7717 if (*cin_skipcomment(l
) == '}'
7718 && (trypos
= find_start_brace(ind_maxcomment
))
7721 curwin
->w_cursor
= *trypos
;
7722 /* if not "else {" check for terminated again */
7723 /* but skip block for "} else {" */
7724 l
= cin_skipcomment(ml_get_curline());
7725 if (*l
== '}' || !cin_iselse(l
))
7727 ++curwin
->w_cursor
.lnum
;
7728 curwin
->w_cursor
.col
= 0;
7736 /* add extra indent for a comment */
7737 if (cin_iscomment(theline
))
7738 amount
+= ind_comment
;
7742 * ok -- we're not inside any sort of structure at all!
7744 * this means we're at the top level, and everything should
7745 * basically just match where the previous line is, except
7746 * for the lines immediately following a function declaration,
7747 * which are K&R-style parameters and need to be indented.
7752 * if our line starts with an open brace, forget about any
7753 * prevailing indent and make sure it looks like the start
7757 if (theline
[0] == '{')
7759 amount
= ind_first_open
;
7763 * If the NEXT line is a function declaration, the current
7764 * line needs to be indented as a function type spec.
7765 * Don't do this if the current line looks like a comment
7766 * or if the current line is terminated, ie. ends in ';'.
7768 else if (cur_curpos
.lnum
< curbuf
->b_ml
.ml_line_count
7769 && !cin_nocode(theline
)
7770 && !cin_ends_in(theline
, (char_u
*)":", NULL
)
7771 && !cin_ends_in(theline
, (char_u
*)",", NULL
)
7772 && cin_isfuncdecl(NULL
, cur_curpos
.lnum
+ 1)
7773 && !cin_isterminated(theline
, FALSE
, TRUE
))
7775 amount
= ind_func_type
;
7780 curwin
->w_cursor
= cur_curpos
;
7782 /* search backwards until we find something we recognize */
7784 while (curwin
->w_cursor
.lnum
> 1)
7786 curwin
->w_cursor
.lnum
--;
7787 curwin
->w_cursor
.col
= 0;
7789 l
= ml_get_curline();
7792 * If we're in a comment now, skip to the start of the comment.
7794 if ((trypos
= find_start_comment(ind_maxcomment
)) != NULL
)
7796 curwin
->w_cursor
.lnum
= trypos
->lnum
+ 1;
7797 curwin
->w_cursor
.col
= 0;
7802 * Are we at the start of a cpp base class declaration or
7803 * constructor initialization?
7806 if (ind_cpp_baseclass
!= 0 && theline
[0] != '{')
7808 n
= cin_is_cpp_baseclass(&col
);
7809 l
= ml_get_curline();
7814 amount
= get_baseclass_amount(col
, ind_maxparen
,
7815 ind_maxcomment
, ind_cpp_baseclass
);
7820 * Skip preprocessor directives and blank lines.
7822 if (cin_ispreproc_cont(&l
, &curwin
->w_cursor
.lnum
))
7829 * If the previous line ends in ',', use one level of
7833 * do this before checking for '}' in case of eg.
7841 if (cin_ends_in(l
, (char_u
*)",", NULL
)
7842 || (*l
!= NUL
&& (n
= l
[STRLEN(l
) - 1]) == '\\'))
7844 /* take us back to opening paren */
7845 if (find_last_paren(l
, '(', ')')
7846 && (trypos
= find_match_paren(ind_maxparen
,
7847 ind_maxcomment
)) != NULL
)
7848 curwin
->w_cursor
= *trypos
;
7850 /* For a line ending in ',' that is a continuation line go
7851 * back to the first line with a backslash:
7856 while (n
== 0 && curwin
->w_cursor
.lnum
> 1)
7858 l
= ml_get(curwin
->w_cursor
.lnum
- 1);
7859 if (*l
== NUL
|| l
[STRLEN(l
) - 1] != '\\')
7861 --curwin
->w_cursor
.lnum
;
7862 curwin
->w_cursor
.col
= 0;
7865 amount
= get_indent(); /* XXX */
7868 amount
= cin_first_id_amount();
7870 amount
= ind_continuation
;
7875 * If the line looks like a function declaration, and we're
7876 * not in a comment, put it the left margin.
7878 if (cin_isfuncdecl(NULL
, cur_curpos
.lnum
)) /* XXX */
7880 l
= ml_get_curline();
7883 * Finding the closing '}' of a previous function. Put
7884 * current line at the left margin. For when 'cino' has "fs".
7886 if (*skipwhite(l
) == '}')
7890 * If the previous line ends on '};' (maybe followed by
7891 * comments) align at column 0. For example:
7892 * char *string_array[] = { "foo",
7893 * / * x * / "b};ar" }; / * foobar * /
7895 if (cin_ends_in(l
, (char_u
*)"};", NULL
))
7899 * If the PREVIOUS line is a function declaration, the current
7900 * line (and the ones that follow) needs to be indented as
7903 if (cin_isfuncdecl(&l
, curwin
->w_cursor
.lnum
))
7910 * If the previous line ends in ';' and the line before the
7911 * previous line ends in ',' or '\', ident to column zero:
7916 if (cin_ends_in(l
, (char_u
*)";", NULL
))
7918 l
= ml_get(curwin
->w_cursor
.lnum
- 1);
7919 if (cin_ends_in(l
, (char_u
*)",", NULL
)
7920 || (*l
!= NUL
&& l
[STRLEN(l
) - 1] == '\\'))
7922 l
= ml_get_curline();
7926 * Doesn't look like anything interesting -- so just
7927 * use the indent of this line.
7929 * Position the cursor over the rightmost paren, so that
7930 * matching it will take us back to the start of the line.
7932 find_last_paren(l
, '(', ')');
7934 if ((trypos
= find_match_paren(ind_maxparen
,
7935 ind_maxcomment
)) != NULL
)
7936 curwin
->w_cursor
= *trypos
;
7937 amount
= get_indent(); /* XXX */
7941 /* add extra indent for a comment */
7942 if (cin_iscomment(theline
))
7943 amount
+= ind_comment
;
7945 /* add extra indent if the previous line ended in a backslash:
7948 * char *foo = "asdf\
7951 if (cur_curpos
.lnum
> 1)
7953 l
= ml_get(cur_curpos
.lnum
- 1);
7954 if (*l
!= NUL
&& l
[STRLEN(l
) - 1] == '\\')
7956 cur_amount
= cin_get_equal_amount(cur_curpos
.lnum
- 1);
7958 amount
= cur_amount
;
7959 else if (cur_amount
== 0)
7960 amount
+= ind_continuation
;
7967 /* put the cursor back where it belongs */
7968 curwin
->w_cursor
= cur_curpos
;
7978 find_match(lookfor
, ourscope
, ind_maxparen
, ind_maxcomment
)
7990 if (lookfor
== LOOKFOR_IF
)
8001 curwin
->w_cursor
.col
= 0;
8003 while (curwin
->w_cursor
.lnum
> ourscope
+ 1)
8005 curwin
->w_cursor
.lnum
--;
8006 curwin
->w_cursor
.col
= 0;
8008 look
= cin_skipcomment(ml_get_curline());
8009 if (cin_iselse(look
)
8011 || cin_isdo(look
) /* XXX */
8012 || cin_iswhileofdo(look
, curwin
->w_cursor
.lnum
, ind_maxparen
))
8015 * if we've gone outside the braces entirely,
8016 * we must be out of scope...
8018 theirscope
= find_start_brace(ind_maxcomment
); /* XXX */
8019 if (theirscope
== NULL
)
8023 * and if the brace enclosing this is further
8024 * back than the one enclosing the else, we're
8027 if (theirscope
->lnum
< ourscope
)
8031 * and if they're enclosed in a *deeper* brace,
8032 * then we can ignore it because it's in a
8033 * different scope...
8035 if (theirscope
->lnum
> ourscope
)
8039 * if it was an "else" (that's not an "else if")
8040 * then we need to go back to another if, so
8041 * increment elselevel
8043 look
= cin_skipcomment(ml_get_curline());
8044 if (cin_iselse(look
))
8046 mightbeif
= cin_skipcomment(look
+ 4);
8047 if (!cin_isif(mightbeif
))
8053 * if it was a "while" then we need to go back to
8054 * another "do", so increment whilelevel. XXX
8056 if (cin_iswhileofdo(look
, curwin
->w_cursor
.lnum
, ind_maxparen
))
8062 /* If it's an "if" decrement elselevel */
8063 look
= cin_skipcomment(ml_get_curline());
8068 * When looking for an "if" ignore "while"s that
8071 if (elselevel
== 0 && lookfor
== LOOKFOR_IF
)
8075 /* If it's a "do" decrement whilelevel */
8080 * if we've used up all the elses, then
8081 * this must be the if that we want!
8082 * match the indent level of that if.
8084 if (elselevel
<= 0 && whilelevel
<= 0)
8093 # if defined(FEAT_EVAL) || defined(PROTO)
8095 * Get indent level from 'indentexpr'.
8103 int use_sandbox
= was_set_insecurely((char_u
*)"indentexpr",
8106 pos
= curwin
->w_cursor
;
8107 set_vim_var_nr(VV_LNUM
, curwin
->w_cursor
.lnum
);
8111 indent
= eval_to_number(curbuf
->b_p_inde
);
8116 /* Restore the cursor position so that 'indentexpr' doesn't need to.
8117 * Pretend to be in Insert mode, allow cursor past end of line for "o"
8121 curwin
->w_cursor
= pos
;
8125 /* If there is an error, just keep the current indent. */
8127 indent
= get_indent();
8133 #endif /* FEAT_CINDENT */
8135 #if defined(FEAT_LISP) || defined(PROTO)
8137 static int lisp_match
__ARGS((char_u
*p
));
8145 char_u
*word
= p_lispwords
;
8147 while (*word
!= NUL
)
8149 (void)copy_option_part(&word
, buf
, LSIZE
, ",");
8150 len
= (int)STRLEN(buf
);
8151 if (STRNCMP(buf
, p
, len
) == 0 && p
[len
] == ' ')
8158 * When 'p' is present in 'cpoptions, a Vi compatible method is used.
8159 * The incompatible newer method is quite a bit better at indenting
8160 * code in lisp-like languages than the traditional one; it's still
8161 * mostly heuristics however -- Dirk van Deun, dirk@rave.org
8164 * Findmatch() should be adapted for lisp, also to make showmatch
8165 * work correctly: now (v5.3) it seems all C/C++ oriented:
8166 * - it does not recognize the #\( and #\) notations as character literals
8167 * - it doesn't know about comments starting with a semicolon
8168 * - it incorrectly interprets '(' as a character literal
8169 * All this messes up get_lisp_indent in some rare cases.
8170 * Update from Sergey Khorev:
8171 * I tried to fix the first two issues.
8176 pos_T
*pos
, realpos
, paren
;
8181 int parencount
, quotecount
;
8184 /* Set vi_lisp to use the vi-compatible method */
8185 vi_lisp
= (vim_strchr(p_cpo
, CPO_LISP
) != NULL
);
8187 realpos
= curwin
->w_cursor
;
8188 curwin
->w_cursor
.col
= 0;
8190 if ((pos
= findmatch(NULL
, '(')) == NULL
)
8191 pos
= findmatch(NULL
, '[');
8195 pos
= findmatch(NULL
, '[');
8196 if (pos
== NULL
|| ltp(pos
, &paren
))
8201 /* Extra trick: Take the indent of the first previous non-white
8202 * line that is at the same () level. */
8206 while (--curwin
->w_cursor
.lnum
>= pos
->lnum
)
8208 if (linewhite(curwin
->w_cursor
.lnum
))
8210 for (that
= ml_get_curline(); *that
!= NUL
; ++that
)
8214 while (*(that
+ 1) != NUL
)
8220 if (*(that
+ 1) != NUL
)
8224 if (*that
== '"' && *(that
+ 1) != NUL
)
8226 while (*++that
&& *that
!= '"')
8228 /* skipping escaped characters in the string */
8241 if (*that
== '(' || *that
== '[')
8243 else if (*that
== ')' || *that
== ']')
8246 if (parencount
== 0)
8248 amount
= get_indent();
8255 curwin
->w_cursor
.lnum
= pos
->lnum
;
8256 curwin
->w_cursor
.col
= pos
->col
;
8259 that
= ml_get_curline();
8261 if (vi_lisp
&& get_indent() == 0)
8266 while (*that
&& col
)
8268 amount
+= lbr_chartabsize_adv(&that
, (colnr_T
)amount
, pos
->lnum
);
8273 * Some keywords require "body" indenting rules (the
8274 * non-standard-lisp ones are Scheme special forms):
8276 * (let ((a 1)) instead (let ((a 1))
8280 if (!vi_lisp
&& (*that
== '(' || *that
== '[')
8281 && lisp_match(that
+ 1))
8289 while (vim_iswhite(*that
))
8291 amount
+= lbr_chartabsize(that
, (colnr_T
)amount
, pos
->lnum
);
8295 if (*that
&& *that
!= ';') /* not a comment line */
8297 /* test *that != '(' to accommodate first let/do
8298 * argument if it is more than one line */
8299 if (!vi_lisp
&& *that
!= '(' && *that
!= '[')
8309 && (*that
< '0' || *that
> '9')))
8312 && (!vim_iswhite(*that
)
8315 && (!((*that
== '(' || *that
== '[')
8321 quotecount
= !quotecount
;
8322 if ((*that
== '(' || *that
== '[')
8325 if ((*that
== ')' || *that
== ']')
8328 if (*that
== '\\' && *(that
+1) != NUL
)
8329 amount
+= lbr_chartabsize_adv(&that
,
8330 (colnr_T
)amount
, pos
->lnum
);
8331 amount
+= lbr_chartabsize_adv(&that
,
8332 (colnr_T
)amount
, pos
->lnum
);
8335 while (vim_iswhite(*that
))
8337 amount
+= lbr_chartabsize(that
, (colnr_T
)amount
, pos
->lnum
);
8340 if (!*that
|| *that
== ';')
8348 amount
= 0; /* no matching '(' or '[' found, use zero indent */
8350 curwin
->w_cursor
= realpos
;
8354 #endif /* FEAT_LISP */
8359 #if defined(SIGHUP) && defined(SIG_IGN)
8360 /* Ignore SIGHUP, because a dropped connection causes a read error, which
8361 * makes Vim exit and then handling SIGHUP causes various reentrance
8363 signal(SIGHUP
, SIG_IGN
);
8370 out_trash(); /* trash any pending output */
8375 windgoto((int)Rows
- 1, 0);
8378 * Switch terminal mode back now, so messages end up on the "normal"
8379 * screen (if there are two screens).
8381 settmode(TMODE_COOK
);
8383 if (can_end_termcap_mode(FALSE
) == TRUE
)
8391 * Preserve files and exit.
8392 * When called IObuff must contain a message.
8401 /* Setting this will prevent free() calls. That avoids calling free()
8402 * recursively when free() was invoked with a bad pointer. */
8403 really_exiting
= TRUE
;
8406 screen_start(); /* don't know where cursor is now */
8409 ml_close_notmod(); /* close all not-modified buffers */
8411 for (buf
= firstbuf
; buf
!= NULL
; buf
= buf
->b_next
)
8413 if (buf
->b_ml
.ml_mfp
!= NULL
&& buf
->b_ml
.ml_mfp
->mf_fname
!= NULL
)
8415 OUT_STR(_("Vim: preserving files...\n"));
8416 screen_start(); /* don't know where cursor is now */
8418 ml_sync_all(FALSE
, FALSE
); /* preserve all swap files */
8423 ml_close_all(FALSE
); /* close all memfiles, without deleting */
8425 OUT_STR(_("Vim: Finished.\n"));
8431 * return TRUE if "fname" exists.
8439 if (mch_stat((char *)fname
, &st
))
8445 * Check for CTRL-C pressed, but only once in a while.
8446 * Should be used instead of ui_breakcheck() for functions that check for
8447 * each line in the file. Calling ui_breakcheck() each time takes too much
8448 * time, because it can be a system call.
8451 #ifndef BREAKCHECK_SKIP
8452 # ifdef FEAT_GUI /* assume the GUI only runs on fast computers */
8453 # define BREAKCHECK_SKIP 200
8455 # define BREAKCHECK_SKIP 32
8459 static int breakcheck_count
= 0;
8464 if (++breakcheck_count
>= BREAKCHECK_SKIP
)
8466 breakcheck_count
= 0;
8472 * Like line_breakcheck() but check 10 times less often.
8477 if (++breakcheck_count
>= BREAKCHECK_SKIP
* 10)
8479 breakcheck_count
= 0;
8485 * Invoke expand_wildcards() for one pattern.
8486 * Expand items like "%:h" before the expansion.
8487 * Returns OK or FAIL.
8490 expand_wildcards_eval(pat
, num_file
, file
, flags
)
8491 char_u
**pat
; /* pointer to input pattern */
8492 int *num_file
; /* resulting number of files */
8493 char_u
***file
; /* array of resulting files */
8494 int flags
; /* EW_DIR, etc. */
8497 char_u
*eval_pat
= NULL
;
8498 char_u
*exp_pat
= *pat
;
8499 char_u
*ignored_msg
;
8502 if (*exp_pat
== '%' || *exp_pat
== '#' || *exp_pat
== '<')
8505 eval_pat
= eval_vars(exp_pat
, exp_pat
, &usedlen
,
8506 NULL
, &ignored_msg
, NULL
);
8508 if (eval_pat
!= NULL
)
8509 exp_pat
= concat_str(eval_pat
, exp_pat
+ usedlen
);
8512 if (exp_pat
!= NULL
)
8513 ret
= expand_wildcards(1, &exp_pat
, num_file
, file
, flags
);
8515 if (eval_pat
!= NULL
)
8525 * Expand wildcards. Calls gen_expand_wildcards() and removes files matching
8527 * Returns OK or FAIL.
8530 expand_wildcards(num_pat
, pat
, num_file
, file
, flags
)
8531 int num_pat
; /* number of input patterns */
8532 char_u
**pat
; /* array of input patterns */
8533 int *num_file
; /* resulting number of files */
8534 char_u
***file
; /* array of resulting files */
8535 int flags
; /* EW_DIR, etc. */
8540 int non_suf_match
; /* number without matching suffix */
8542 retval
= gen_expand_wildcards(num_pat
, pat
, num_file
, file
, flags
);
8544 /* When keeping all matches, return here */
8545 if (flags
& EW_KEEPALL
)
8550 * Remove names that match 'wildignore'.
8556 /* check all files in (*file)[] */
8557 for (i
= 0; i
< *num_file
; ++i
)
8559 ffname
= FullName_save((*file
)[i
], FALSE
);
8560 if (ffname
== NULL
) /* out of memory */
8563 vms_remove_version(ffname
);
8565 if (match_file_list(p_wig
, (*file
)[i
], ffname
))
8567 /* remove this matching file from the list */
8568 vim_free((*file
)[i
]);
8569 for (j
= i
; j
+ 1 < *num_file
; ++j
)
8570 (*file
)[j
] = (*file
)[j
+ 1];
8580 * Move the names where 'suffixes' match to the end.
8585 for (i
= 0; i
< *num_file
; ++i
)
8587 if (!match_suffix((*file
)[i
]))
8590 * Move the name without matching suffix to the front
8594 for (j
= i
; j
> non_suf_match
; --j
)
8595 (*file
)[j
] = (*file
)[j
- 1];
8596 (*file
)[non_suf_match
++] = p
;
8605 * Return TRUE if "fname" matches with an entry in 'suffixes'.
8611 int fnamelen
, setsuflen
;
8613 #define MAXSUFLEN 30 /* maximum length of a file suffix */
8614 char_u suf_buf
[MAXSUFLEN
];
8616 fnamelen
= (int)STRLEN(fname
);
8618 for (setsuf
= p_su
; *setsuf
; )
8620 setsuflen
= copy_option_part(&setsuf
, suf_buf
, MAXSUFLEN
, ".,");
8623 char_u
*tail
= gettail(fname
);
8625 /* empty entry: match name without a '.' */
8626 if (vim_strchr(tail
, '.') == NULL
)
8634 if (fnamelen
>= setsuflen
8635 && fnamencmp(suf_buf
, fname
+ fnamelen
- setsuflen
,
8636 (size_t)setsuflen
) == 0)
8641 return (setsuflen
!= 0);
8644 #if !defined(NO_EXPANDPATH) || defined(PROTO)
8646 # ifdef VIM_BACKTICK
8647 static int vim_backtick
__ARGS((char_u
*p
));
8648 static int expand_backtick
__ARGS((garray_T
*gap
, char_u
*pat
, int flags
));
8651 # if defined(MSDOS) || defined(FEAT_GUI_W16) || defined(WIN3264)
8653 * File name expansion code for MS-DOS, Win16 and Win32. It's here because
8654 * it's shared between these systems.
8656 # if defined(DJGPP) || defined(PROTO)
8657 # define _cdecl /* DJGPP doesn't have this */
8659 # ifdef __BORLANDC__
8660 # define _cdecl _RTLENTRYF
8665 * comparison function for qsort in dos_expandpath()
8668 pstrcmp(const void *a
, const void *b
)
8670 return (pathcmp(*(char **)a
, *(char **)b
, -1));
8680 if (USE_LONG_FNAME
) /* don't lower case on Windows 95/NT systems */
8686 *d
++ = TOLOWER_LOC(*s
++);
8692 * Recursively expand one path component into all matching files and/or
8693 * directories. Adds matches to "gap". Handles "*", "?", "[a-z]", "**", etc.
8694 * Return the number of matches found.
8695 * "path" has backslashes before chars that are not to be expanded, starting
8696 * at "path[wildoff]".
8697 * Return the number of matches found.
8698 * NOTE: much of this is identical to unix_expandpath(), keep in sync!
8705 int flags
, /* EW_* flags */
8706 int didstar
) /* expanded "**" once already */
8711 int start_len
= gap
->ga_len
;
8713 regmatch_T regmatch
;
8714 int starts_with_dot
;
8717 int starstar
= FALSE
;
8718 static int stardepth
= 0; /* depth for "**" expansion */
8721 HANDLE hFind
= (HANDLE
)0;
8723 WIN32_FIND_DATAW wfb
;
8724 WCHAR
*wn
= NULL
; /* UCS-2 name, NULL when not used. */
8732 /* Expanding "**" may take a long time, check for CTRL-C. */
8740 /* make room for file name */
8741 buf
= alloc((int)STRLEN(path
) + BASENAMELEN
+ 5);
8746 * Find the first part in the path name that contains a wildcard or a ~1.
8747 * Copy it into buf, including the preceding characters.
8753 while (*path_end
!= NUL
)
8755 /* May ignore a wildcard that has a backslash before it; it will
8756 * be removed by rem_backslash() or file_pat_to_reg_pat() below. */
8757 if (path_end
>= path
+ wildoff
&& rem_backslash(path_end
))
8759 else if (*path_end
== '\\' || *path_end
== ':' || *path_end
== '/')
8765 else if (path_end
>= path
+ wildoff
8766 && vim_strchr((char_u
*)"*?[~", *path_end
) != NULL
)
8771 len
= (*mb_ptr2len
)(path_end
);
8772 STRNCPY(p
, path_end
, len
);
8783 /* now we have one wildcard component between s and e */
8784 /* Remove backslashes between "wildoff" and the start of the wildcard
8786 for (p
= buf
+ wildoff
; p
< s
; ++p
)
8787 if (rem_backslash(p
))
8794 /* Check for "**" between "s" and "e". */
8795 for (p
= s
; p
< e
; ++p
)
8796 if (p
[0] == '*' && p
[1] == '*')
8799 starts_with_dot
= (*s
== '.');
8800 pat
= file_pat_to_reg_pat(s
, e
, NULL
, FALSE
);
8807 /* compile the regexp into a program */
8808 regmatch
.rm_ic
= TRUE
; /* Always ignore case */
8809 regmatch
.regprog
= vim_regcomp(pat
, RE_MAGIC
);
8812 if (regmatch
.regprog
== NULL
)
8818 /* remember the pattern or file name being looked for */
8819 matchname
= vim_strsave(s
);
8821 /* If "**" is by itself, this is the first time we encounter it and more
8822 * is following then find matches without any directory. */
8823 if (!didstar
&& stardepth
< 100 && starstar
&& e
- s
== 2
8824 && *path_end
== '/')
8826 STRCPY(s
, path_end
+ 1);
8828 (void)dos_expandpath(gap
, buf
, (int)(s
- buf
), flags
, TRUE
);
8832 /* Scan all files in the directory with "dir/ *.*" */
8836 if (enc_codepage
>= 0 && (int)GetACP() != enc_codepage
)
8838 /* The active codepage differs from 'encoding'. Attempt using the
8839 * wide function. If it fails because it is not implemented fall back
8840 * to the non-wide version (for Windows 98) */
8841 wn
= enc_to_utf16(buf
, NULL
);
8844 hFind
= FindFirstFileW(wn
, &wfb
);
8845 if (hFind
== INVALID_HANDLE_VALUE
8846 && GetLastError() == ERROR_CALL_NOT_IMPLEMENTED
)
8856 hFind
= FindFirstFile(buf
, &fb
);
8857 ok
= (hFind
!= INVALID_HANDLE_VALUE
);
8859 /* If we are expanding wildcards we try both files and directories */
8860 ok
= (findfirst((char *)buf
, &fb
,
8861 (*path_end
!= NUL
|| (flags
& EW_DIR
)) ? FA_DIREC
: 0) == 0);
8869 p
= utf16_to_enc(wfb
.cFileName
, NULL
); /* p is allocated here */
8872 p
= (char_u
*)fb
.cFileName
;
8874 p
= (char_u
*)fb
.ff_name
;
8876 /* Ignore entries starting with a dot, unless when asked for. Accept
8877 * all entries found with "matchname". */
8878 if ((p
[0] != '.' || starts_with_dot
)
8879 && (matchname
== NULL
8880 || vim_regexec(®match
, p
, (colnr_T
)0)))
8887 len
= (int)STRLEN(buf
);
8889 if (starstar
&& stardepth
< 100)
8891 /* For "**" in the pattern first go deeper in the tree to
8893 STRCPY(buf
+ len
, "/**");
8894 STRCPY(buf
+ len
+ 3, path_end
);
8896 (void)dos_expandpath(gap
, buf
, len
+ 1, flags
, TRUE
);
8900 STRCPY(buf
+ len
, path_end
);
8901 if (mch_has_exp_wildcard(path_end
))
8903 /* need to expand another component of the path */
8904 /* remove backslashes for the remaining components only */
8905 (void)dos_expandpath(gap
, buf
, len
+ 1, flags
, FALSE
);
8909 /* no more wildcards, check if there is a match */
8910 /* remove backslashes for the remaining components only */
8912 backslash_halve(buf
+ len
+ 1);
8913 if (mch_getperm(buf
) >= 0) /* add existing file */
8914 addfile(gap
, buf
, flags
);
8923 ok
= FindNextFileW(hFind
, &wfb
);
8927 ok
= FindNextFile(hFind
, &fb
);
8929 ok
= (findnext(&fb
) == 0);
8932 /* If no more matches and no match was used, try expanding the name
8933 * itself. Finds the long name of a short filename. */
8934 if (!ok
&& matchname
!= NULL
&& gap
->ga_len
== start_len
)
8936 STRCPY(s
, matchname
);
8943 wn
= enc_to_utf16(buf
, NULL
);
8945 hFind
= FindFirstFileW(wn
, &wfb
);
8949 hFind
= FindFirstFile(buf
, &fb
);
8950 ok
= (hFind
!= INVALID_HANDLE_VALUE
);
8952 ok
= (findfirst((char *)buf
, &fb
,
8953 (*path_end
!= NUL
|| (flags
& EW_DIR
)) ? FA_DIREC
: 0) == 0);
8955 vim_free(matchname
);
8967 vim_free(regmatch
.regprog
);
8968 vim_free(matchname
);
8970 matches
= gap
->ga_len
- start_len
;
8972 qsort(((char_u
**)gap
->ga_data
) + start_len
, (size_t)matches
,
8973 sizeof(char_u
*), pstrcmp
);
8981 int flags
) /* EW_* flags */
8983 return dos_expandpath(gap
, path
, 0, flags
, FALSE
);
8985 # endif /* MSDOS || FEAT_GUI_W16 || WIN3264 */
8987 #if (defined(UNIX) && !defined(VMS)) || defined(USE_UNIXFILENAME) \
8990 * Unix style wildcard expansion code.
8991 * It's here because it's used both for Unix and Mac.
8993 static int pstrcmp
__ARGS((const void *, const void *));
8999 return (pathcmp(*(char **)a
, *(char **)b
, -1));
9003 * Recursively expand one path component into all matching files and/or
9004 * directories. Adds matches to "gap". Handles "*", "?", "[a-z]", "**", etc.
9005 * "path" has backslashes before chars that are not to be expanded, starting
9006 * at "path + wildoff".
9007 * Return the number of matches found.
9008 * NOTE: much of this is identical to dos_expandpath(), keep in sync!
9011 unix_expandpath(gap
, path
, wildoff
, flags
, didstar
)
9015 int flags
; /* EW_* flags */
9016 int didstar
; /* expanded "**" once already */
9021 int start_len
= gap
->ga_len
;
9023 regmatch_T regmatch
;
9024 int starts_with_dot
;
9027 int starstar
= FALSE
;
9028 static int stardepth
= 0; /* depth for "**" expansion */
9033 /* Expanding "**" may take a long time, check for CTRL-C. */
9041 /* make room for file name */
9042 buf
= alloc((int)STRLEN(path
) + BASENAMELEN
+ 5);
9047 * Find the first part in the path name that contains a wildcard.
9048 * Copy it into "buf", including the preceding characters.
9054 while (*path_end
!= NUL
)
9056 /* May ignore a wildcard that has a backslash before it; it will
9057 * be removed by rem_backslash() or file_pat_to_reg_pat() below. */
9058 if (path_end
>= path
+ wildoff
&& rem_backslash(path_end
))
9060 else if (*path_end
== '/')
9066 else if (path_end
>= path
+ wildoff
9067 && vim_strchr((char_u
*)"*?[{~$", *path_end
) != NULL
)
9072 len
= (*mb_ptr2len
)(path_end
);
9073 STRNCPY(p
, path_end
, len
);
9084 /* now we have one wildcard component between "s" and "e" */
9085 /* Remove backslashes between "wildoff" and the start of the wildcard
9087 for (p
= buf
+ wildoff
; p
< s
; ++p
)
9088 if (rem_backslash(p
))
9095 /* Check for "**" between "s" and "e". */
9096 for (p
= s
; p
< e
; ++p
)
9097 if (p
[0] == '*' && p
[1] == '*')
9100 /* convert the file pattern to a regexp pattern */
9101 starts_with_dot
= (*s
== '.');
9102 pat
= file_pat_to_reg_pat(s
, e
, NULL
, FALSE
);
9109 /* compile the regexp into a program */
9110 #ifdef CASE_INSENSITIVE_FILENAME
9111 regmatch
.rm_ic
= TRUE
; /* Behave like Terminal.app */
9113 regmatch
.rm_ic
= FALSE
; /* Don't ever ignore case */
9115 regmatch
.regprog
= vim_regcomp(pat
, RE_MAGIC
);
9118 if (regmatch
.regprog
== NULL
)
9124 /* If "**" is by itself, this is the first time we encounter it and more
9125 * is following then find matches without any directory. */
9126 if (!didstar
&& stardepth
< 100 && starstar
&& e
- s
== 2
9127 && *path_end
== '/')
9129 STRCPY(s
, path_end
+ 1);
9131 (void)unix_expandpath(gap
, buf
, (int)(s
- buf
), flags
, TRUE
);
9135 /* open the directory for scanning */
9137 dirp
= opendir(*buf
== NUL
? "." : (char *)buf
);
9139 /* Find all matching entries */
9147 if ((dp
->d_name
[0] != '.' || starts_with_dot
)
9148 && vim_regexec(®match
, (char_u
*)dp
->d_name
, (colnr_T
)0))
9150 STRCPY(s
, dp
->d_name
);
9153 if (starstar
&& stardepth
< 100)
9155 /* For "**" in the pattern first go deeper in the tree to
9157 STRCPY(buf
+ len
, "/**");
9158 STRCPY(buf
+ len
+ 3, path_end
);
9160 (void)unix_expandpath(gap
, buf
, len
+ 1, flags
, TRUE
);
9164 STRCPY(buf
+ len
, path_end
);
9165 if (mch_has_exp_wildcard(path_end
)) /* handle more wildcards */
9167 /* need to expand another component of the path */
9168 /* remove backslashes for the remaining components only */
9169 (void)unix_expandpath(gap
, buf
, len
+ 1, flags
, FALSE
);
9173 /* no more wildcards, check if there is a match */
9174 /* remove backslashes for the remaining components only */
9175 if (*path_end
!= NUL
)
9176 backslash_halve(buf
+ len
+ 1);
9177 if (mch_getperm(buf
) >= 0) /* add existing file */
9179 #ifdef MACOS_CONVERT
9180 size_t precomp_len
= STRLEN(buf
)+1;
9181 char_u
*precomp_buf
=
9182 mac_precompose_path(buf
, precomp_len
, &precomp_len
);
9186 mch_memmove(buf
, precomp_buf
, precomp_len
);
9187 vim_free(precomp_buf
);
9190 addfile(gap
, buf
, flags
);
9200 vim_free(regmatch
.regprog
);
9202 matches
= gap
->ga_len
- start_len
;
9204 qsort(((char_u
**)gap
->ga_data
) + start_len
, matches
,
9205 sizeof(char_u
*), pstrcmp
);
9211 * Generic wildcard expansion code.
9213 * Characters in "pat" that should not be expanded must be preceded with a
9214 * backslash. E.g., "/path\ with\ spaces/my\*star*"
9216 * Return FAIL when no single file was found. In this case "num_file" is not
9217 * set, and "file" may contain an error message.
9218 * Return OK when some files found. "num_file" is set to the number of
9219 * matches, "file" to the array of matches. Call FreeWild() later.
9222 gen_expand_wildcards(num_pat
, pat
, num_file
, file
, flags
)
9223 int num_pat
; /* number of input patterns */
9224 char_u
**pat
; /* array of input patterns */
9225 int *num_file
; /* resulting number of files */
9226 char_u
***file
; /* array of resulting files */
9227 int flags
; /* EW_* flags */
9232 static int recursive
= FALSE
;
9236 * expand_env() is called to expand things like "~user". If this fails,
9237 * it calls ExpandOne(), which brings us back here. In this case, always
9238 * call the machine specific expansion function, if possible. Otherwise,
9242 #ifdef SPECIAL_WILDCHAR
9243 return mch_expand_wildcards(num_pat
, pat
, num_file
, file
, flags
);
9248 #ifdef SPECIAL_WILDCHAR
9250 * If there are any special wildcard characters which we cannot handle
9251 * here, call machine specific function for all the expansion. This
9252 * avoids starting the shell for each argument separately.
9253 * For `=expr` do use the internal function.
9255 for (i
= 0; i
< num_pat
; i
++)
9257 if (vim_strpbrk(pat
[i
], (char_u
*)SPECIAL_WILDCHAR
) != NULL
9258 # ifdef VIM_BACKTICK
9259 && !(vim_backtick(pat
[i
]) && pat
[i
][1] == '=')
9262 return mch_expand_wildcards(num_pat
, pat
, num_file
, file
, flags
);
9269 * The matching file names are stored in a growarray. Init it empty.
9271 ga_init2(&ga
, (int)sizeof(char_u
*), 30);
9273 for (i
= 0; i
< num_pat
; ++i
)
9279 if (vim_backtick(p
))
9280 add_pat
= expand_backtick(&ga
, p
, flags
);
9285 * First expand environment variables, "~/" and "~user/".
9287 if (vim_strpbrk(p
, (char_u
*)"$~") != NULL
)
9289 p
= expand_env_save_opt(p
, TRUE
);
9294 * On Unix, if expand_env() can't expand an environment
9295 * variable, use the shell to do that. Discard previously
9296 * found file names and start all over again.
9298 else if (vim_strpbrk(p
, (char_u
*)"$~") != NULL
)
9301 ga_clear_strings(&ga
);
9302 i
= mch_expand_wildcards(num_pat
, pat
, num_file
, file
,
9311 * If there are wildcards: Expand file names and add each match to
9312 * the list. If there is no match, and EW_NOTFOUND is given, add
9314 * If there are no wildcards: Add the file name if it exists or
9315 * when EW_NOTFOUND is given.
9317 if (mch_has_exp_wildcard(p
))
9318 add_pat
= mch_expandpath(&ga
, p
, flags
);
9321 if (add_pat
== -1 || (add_pat
== 0 && (flags
& EW_NOTFOUND
)))
9323 char_u
*t
= backslash_halve_save(p
);
9325 #if defined(MACOS_CLASSIC)
9328 /* When EW_NOTFOUND is used, always add files and dirs. Makes
9329 * "vim c:/" work. */
9330 if (flags
& EW_NOTFOUND
)
9331 addfile(&ga
, t
, flags
| EW_DIR
| EW_FILE
);
9332 else if (mch_getperm(t
) >= 0)
9333 addfile(&ga
, t
, flags
);
9341 *num_file
= ga
.ga_len
;
9342 *file
= (ga
.ga_data
!= NULL
) ? (char_u
**)ga
.ga_data
: (char_u
**)"";
9346 return (ga
.ga_data
!= NULL
) ? OK
: FAIL
;
9349 # ifdef VIM_BACKTICK
9352 * Return TRUE if we can expand this backtick thing here.
9358 return (*p
== '`' && *(p
+ 1) != NUL
&& *(p
+ STRLEN(p
) - 1) == '`');
9362 * Expand an item in `backticks` by executing it as a command.
9363 * Currently only works when pat[] starts and ends with a `.
9364 * Returns number of file names found.
9367 expand_backtick(gap
, pat
, flags
)
9370 int flags
; /* EW_* flags */
9378 /* Create the command: lop off the backticks. */
9379 cmd
= vim_strnsave(pat
+ 1, (int)STRLEN(pat
) - 2);
9384 if (*cmd
== '=') /* `={expr}`: Expand expression */
9385 buffer
= eval_to_string(cmd
+ 1, &p
, TRUE
);
9388 buffer
= get_cmd_output(cmd
, NULL
,
9389 (flags
& EW_SILENT
) ? SHELL_SILENT
: 0);
9397 cmd
= skipwhite(cmd
); /* skip over white space */
9399 while (*p
!= NUL
&& *p
!= '\r' && *p
!= '\n') /* skip over entry */
9401 /* add an entry if it is not empty */
9406 addfile(gap
, cmd
, flags
);
9411 while (*cmd
!= NUL
&& (*cmd
== '\r' || *cmd
== '\n'))
9418 # endif /* VIM_BACKTICK */
9421 * Add a file to a file list. Accepted flags:
9422 * EW_DIR add directories
9424 * EW_EXEC add executable files
9425 * EW_NOTFOUND add even when it doesn't exist
9426 * EW_ADDSLASH add slash after directory name
9429 addfile(gap
, f
, flags
)
9431 char_u
*f
; /* filename */
9437 /* if the file/dir doesn't exist, may not add it */
9438 if (!(flags
& EW_NOTFOUND
) && mch_getperm(f
) < 0)
9441 #ifdef FNAME_ILLEGAL
9442 /* if the file/dir contains illegal characters, don't add it */
9443 if (vim_strpbrk(f
, (char_u
*)FNAME_ILLEGAL
) != NULL
)
9447 isdir
= mch_isdir(f
);
9448 if ((isdir
&& !(flags
& EW_DIR
)) || (!isdir
&& !(flags
& EW_FILE
)))
9451 /* If the file isn't executable, may not add it. Do accept directories. */
9452 if (!isdir
&& (flags
& EW_EXEC
) && !mch_can_exe(f
))
9455 /* Make room for another item in the file list. */
9456 if (ga_grow(gap
, 1) == FAIL
)
9459 p
= alloc((unsigned)(STRLEN(f
) + 1 + isdir
));
9464 #ifdef BACKSLASH_IN_FILENAME
9468 * Append a slash or backslash after directory names if none is present.
9470 #ifndef DONT_ADD_PATHSEP_TO_DIR
9471 if (isdir
&& (flags
& EW_ADDSLASH
))
9474 ((char_u
**)gap
->ga_data
)[gap
->ga_len
++] = p
;
9476 #endif /* !NO_EXPANDPATH */
9478 #if defined(VIM_BACKTICK) || defined(FEAT_EVAL) || defined(PROTO)
9488 * Get the stdout of an external command.
9489 * Returns an allocated string, or NULL for error.
9492 get_cmd_output(cmd
, infile
, flags
)
9494 char_u
*infile
; /* optional input file name */
9495 int flags
; /* can be SHELL_SILENT */
9499 char_u
*buffer
= NULL
;
9504 if (check_restricted() || check_secure())
9507 /* get a name for the temp file */
9508 if ((tempname
= vim_tempname('o')) == NULL
)
9514 /* Add the redirection stuff */
9515 command
= make_filter_cmd(cmd
, infile
, tempname
);
9516 if (command
== NULL
)
9520 * Call the shell to execute the command (errors are ignored).
9521 * Don't check timestamps here.
9523 ++no_check_timestamps
;
9524 call_shell(command
, SHELL_DOOUT
| SHELL_EXPAND
| flags
);
9525 --no_check_timestamps
;
9530 * read the names from the file into memory
9533 /* created temporary file is not always readable as binary */
9534 fd
= mch_fopen((char *)tempname
, "r");
9536 fd
= mch_fopen((char *)tempname
, READBIN
);
9541 EMSG2(_(e_notopen
), tempname
);
9545 fseek(fd
, 0L, SEEK_END
);
9546 len
= ftell(fd
); /* get size of temp file */
9547 fseek(fd
, 0L, SEEK_SET
);
9549 buffer
= alloc(len
+ 1);
9551 i
= (int)fread((char *)buffer
, (size_t)1, (size_t)len
, fd
);
9553 mch_remove(tempname
);
9557 len
= i
; /* VMS doesn't give us what we asked for... */
9561 EMSG2(_(e_notread
), tempname
);
9566 buffer
[len
] = '\0'; /* make sure the buffer is terminated */
9575 * Free the list of files returned by expand_wildcards() or other expansion
9579 FreeWild(count
, files
)
9583 if (count
<= 0 || files
== NULL
)
9585 #if defined(__EMX__) && defined(__ALWAYS_HAS_TRAILING_NULL_POINTER) /* XXX */
9587 * Is this still OK for when other functions than expand_wildcards() have
9590 _fnexplodefree((char **)files
);
9593 vim_free(files
[count
]);
9599 * return TRUE when need to go to Insert mode because of 'insertmode'.
9600 * Don't do this when still processing a command or a mapping.
9601 * Don't do this when inside a ":normal" command.
9606 return (p_im
&& stuff_empty() && typebuf_typed());