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
18 # include <fcntl.h> /* for chdir() */
21 static char_u
*vim_version_dir
__ARGS((char_u
*vimdir
));
22 static char_u
*remove_tail
__ARGS((char_u
*p
, char_u
*pend
, char_u
*name
));
23 static int copy_indent
__ARGS((int size
, char_u
*src
));
26 * Count the size (in window cells) of the indent in the current line.
31 return get_indent_str(ml_get_curline(), (int)curbuf
->b_p_ts
);
35 * Count the size (in window cells) of the indent in line "lnum".
41 return get_indent_str(ml_get(lnum
), (int)curbuf
->b_p_ts
);
44 #if defined(FEAT_FOLDING) || defined(PROTO)
46 * Count the size (in window cells) of the indent in line "lnum" of buffer
50 get_indent_buf(buf
, lnum
)
54 return get_indent_str(ml_get_buf(buf
, lnum
, FALSE
), (int)buf
->b_p_ts
);
59 * count the size (in window cells) of the indent in line "ptr", with
63 get_indent_str(ptr
, ts
)
71 if (*ptr
== TAB
) /* count a tab for what it is worth */
72 count
+= ts
- (count
% ts
);
74 ++count
; /* count a space for one */
82 * Set the indent of the current line.
83 * Leaves the cursor on the first non-blank in the line.
84 * Caller must take care of undo.
86 * SIN_CHANGED: call changed_bytes() if the line was changed.
87 * SIN_INSERT: insert the indent in front of the line.
88 * SIN_UNDO: save line for undo before changing it.
89 * Returns TRUE if the line was changed.
92 set_indent(size
, flags
)
93 int size
; /* measured in spaces */
101 int ind_len
; /* measured in characters */
104 int ind_done
= 0; /* measured in spaces */
107 int orig_char_len
= -1; /* number of initial whitespace chars when
108 'et' and 'pi' are both set */
111 * First check if there is anything to do and compute the number of
112 * characters needed for the indent.
116 p
= oldline
= ml_get_curline();
118 /* Calculate the buffer size for the new indent, and check to see if it
119 * isn't already set */
121 /* if 'expandtab' isn't set: use TABs; if both 'expandtab' and
122 * 'preserveindent' are set count the number of characters at the
123 * beginning of the line to be copied */
124 if (!curbuf
->b_p_et
|| (!(flags
& SIN_INSERT
) && curbuf
->b_p_pi
))
126 /* If 'preserveindent' is set then reuse as much as possible of
127 * the existing indent structure for the new indent */
128 if (!(flags
& SIN_INSERT
) && curbuf
->b_p_pi
)
132 /* count as many characters as we can use */
133 while (todo
> 0 && vim_iswhite(*p
))
137 tab_pad
= (int)curbuf
->b_p_ts
138 - (ind_done
% (int)curbuf
->b_p_ts
);
139 /* stop if this tab will overshoot the target */
155 /* Set initial number of whitespace chars to copy if we are
156 * preserving indent but expandtab is set */
158 orig_char_len
= ind_len
;
160 /* Fill to next tabstop with a tab, if possible */
161 tab_pad
= (int)curbuf
->b_p_ts
- (ind_done
% (int)curbuf
->b_p_ts
);
162 if (todo
>= tab_pad
&& orig_char_len
== -1)
167 /* ind_done += tab_pad; */
171 /* count tabs required for indent */
172 while (todo
>= (int)curbuf
->b_p_ts
)
178 todo
-= (int)curbuf
->b_p_ts
;
180 /* ind_done += (int)curbuf->b_p_ts; */
183 /* count spaces required for indent */
195 /* Return if the indent is OK already. */
196 if (!doit
&& !vim_iswhite(*p
) && !(flags
& SIN_INSERT
))
199 /* Allocate memory for the new line. */
200 if (flags
& SIN_INSERT
)
204 line_len
= (int)STRLEN(p
) + 1;
206 /* If 'preserveindent' and 'expandtab' are both set keep the original
207 * characters and allocate accordingly. We will fill the rest with spaces
208 * after the if (!curbuf->b_p_et) below. */
209 if (orig_char_len
!= -1)
211 newline
= alloc(orig_char_len
+ size
- ind_done
+ line_len
);
214 todo
= size
- ind_done
;
215 ind_len
= orig_char_len
+ todo
; /* Set total length of indent in
216 * characters, which may have been
217 * undercounted until now */
220 while (orig_char_len
> 0)
225 /* Skip over any additional white space (useful when newindent is less
227 while (vim_iswhite(*p
))
234 newline
= alloc(ind_len
+ line_len
);
240 /* Put the characters in the new line. */
241 /* if 'expandtab' isn't set: use TABs */
244 /* If 'preserveindent' is set then reuse as much as possible of
245 * the existing indent structure for the new indent */
246 if (!(flags
& SIN_INSERT
) && curbuf
->b_p_pi
)
251 while (todo
> 0 && vim_iswhite(*p
))
255 tab_pad
= (int)curbuf
->b_p_ts
256 - (ind_done
% (int)curbuf
->b_p_ts
);
257 /* stop if this tab will overshoot the target */
271 /* Fill to next tabstop with a tab, if possible */
272 tab_pad
= (int)curbuf
->b_p_ts
- (ind_done
% (int)curbuf
->b_p_ts
);
282 while (todo
>= (int)curbuf
->b_p_ts
)
285 todo
-= (int)curbuf
->b_p_ts
;
293 mch_memmove(s
, p
, (size_t)line_len
);
295 /* Replace the line (unless undo fails). */
296 if (!(flags
& SIN_UNDO
) || u_savesub(curwin
->w_cursor
.lnum
) == OK
)
298 ml_replace(curwin
->w_cursor
.lnum
, newline
, FALSE
);
299 if (flags
& SIN_CHANGED
)
300 changed_bytes(curwin
->w_cursor
.lnum
, 0);
301 /* Correct saved cursor position if it's after the indent. */
302 if (saved_cursor
.lnum
== curwin
->w_cursor
.lnum
303 && saved_cursor
.col
>= (colnr_T
)(p
- oldline
))
304 saved_cursor
.col
+= ind_len
- (colnr_T
)(p
- oldline
);
310 curwin
->w_cursor
.col
= ind_len
;
315 * Copy the indent from ptr to the current line (and fill to size)
316 * Leaves the cursor on the first non-blank in the line.
317 * Returns TRUE if the line was changed.
320 copy_indent(size
, src
)
334 /* Round 1: compute the number of characters needed for the indent
335 * Round 2: copy the characters. */
336 for (round
= 1; round
<= 2; ++round
)
343 /* Count/copy the usable portion of the source line */
344 while (todo
> 0 && vim_iswhite(*s
))
348 tab_pad
= (int)curbuf
->b_p_ts
349 - (ind_done
% (int)curbuf
->b_p_ts
);
350 /* Stop if this tab will overshoot the target */
367 /* Fill to next tabstop with a tab, if possible */
368 tab_pad
= (int)curbuf
->b_p_ts
- (ind_done
% (int)curbuf
->b_p_ts
);
377 /* Add tabs required for indent */
378 while (todo
>= (int)curbuf
->b_p_ts
)
380 todo
-= (int)curbuf
->b_p_ts
;
386 /* Count/add spaces required for indent */
397 /* Allocate memory for the result: the copied indent, new indent
398 * and the rest of the line. */
399 line_len
= (int)STRLEN(ml_get_curline()) + 1;
400 line
= alloc(ind_len
+ line_len
);
407 /* Append the original line */
408 mch_memmove(p
, ml_get_curline(), (size_t)line_len
);
410 /* Replace the line */
411 ml_replace(curwin
->w_cursor
.lnum
, line
, FALSE
);
413 /* Put the cursor after the indent. */
414 curwin
->w_cursor
.col
= ind_len
;
419 * Return the indent of the current line after a number. Return -1 if no
420 * number was found. Used for 'n' in 'formatoptions': numbered list.
421 * Since a pattern is used it can actually handle more than numbers.
424 get_number_indent(lnum
)
429 regmmatch_T regmatch
;
431 if (lnum
> curbuf
->b_ml
.ml_line_count
)
434 regmatch
.regprog
= vim_regcomp(curbuf
->b_p_flp
, RE_MAGIC
);
435 if (regmatch
.regprog
!= NULL
)
437 regmatch
.rmm_ic
= FALSE
;
438 regmatch
.rmm_maxcol
= 0;
439 if (vim_regexec_multi(®match
, curwin
, curbuf
, lnum
, (colnr_T
)0))
441 pos
.lnum
= regmatch
.endpos
[0].lnum
+ lnum
;
442 pos
.col
= regmatch
.endpos
[0].col
;
443 #ifdef FEAT_VIRTUALEDIT
447 vim_free(regmatch
.regprog
);
450 if (pos
.lnum
== 0 || *ml_get_pos(&pos
) == NUL
)
452 getvcol(curwin
, &pos
, &col
, NULL
, NULL
);
456 #if defined(FEAT_CINDENT) || defined(FEAT_SMARTINDENT)
458 static int cin_is_cinword
__ARGS((char_u
*line
));
461 * Return TRUE if the string "line" starts with a word from 'cinwords'.
473 cinw_len
= (int)STRLEN(curbuf
->b_p_cinw
) + 1;
474 cinw_buf
= alloc((unsigned)cinw_len
);
475 if (cinw_buf
!= NULL
)
477 line
= skipwhite(line
);
478 for (cinw
= curbuf
->b_p_cinw
; *cinw
; )
480 len
= copy_option_part(&cinw
, cinw_buf
, cinw_len
, ",");
481 if (STRNCMP(line
, cinw_buf
, len
) == 0
482 && (!vim_iswordc(line
[len
]) || !vim_iswordc(line
[len
- 1])))
495 * open_line: Add a new line below or above the current line.
497 * For VREPLACE mode, we only add a new line when we get to the end of the
498 * file, otherwise we just start replacing the next line.
500 * Caller must take care of undo. Since VREPLACE may affect any number of
501 * lines however, it may call u_save_cursor() again when starting to change a
503 * "flags": OPENLINE_DELSPACES delete spaces after cursor
504 * OPENLINE_DO_COM format comments
505 * OPENLINE_KEEPTRAIL keep trailing spaces
506 * OPENLINE_MARKFIX adjust mark positions after the line break
508 * Return TRUE for success, FALSE for failure
511 open_line(dir
, flags
, old_indent
)
512 int dir
; /* FORWARD or BACKWARD */
514 int old_indent
; /* indent for after ^^D in Insert mode */
516 char_u
*saved_line
; /* copy of the original line */
517 char_u
*next_line
= NULL
; /* copy of the next line */
518 char_u
*p_extra
= NULL
; /* what goes to next line */
519 int less_cols
= 0; /* less columns for mark in new line */
520 int less_cols_off
= 0; /* columns to skip for mark adjust */
521 pos_T old_cursor
; /* old cursor position */
522 int newcol
= 0; /* new cursor column */
523 int newindent
= 0; /* auto-indent of the new line */
525 int trunc_line
= FALSE
; /* truncate current line afterwards */
526 int retval
= FALSE
; /* return value, default is FAIL */
528 int extra_len
= 0; /* length of p_extra string */
529 int lead_len
; /* length of comment leader */
530 char_u
*lead_flags
; /* position in 'comments' for comment leader */
531 char_u
*leader
= NULL
; /* copy of comment leader */
533 char_u
*allocated
= NULL
; /* allocated memory */
534 #if defined(FEAT_SMARTINDENT) || defined(FEAT_VREPLACE) || defined(FEAT_LISP) \
535 || defined(FEAT_CINDENT) || defined(FEAT_COMMENTS)
538 int saved_char
= NUL
; /* init for GCC */
539 #if defined(FEAT_SMARTINDENT) || defined(FEAT_COMMENTS)
542 #ifdef FEAT_SMARTINDENT
543 int do_si
= (!p_paste
&& curbuf
->b_p_si
548 int no_si
= FALSE
; /* reset did_si afterwards */
549 int first_char
= NUL
; /* init for GCC */
551 #if defined(FEAT_VREPLACE) && (defined(FEAT_LISP) || defined(FEAT_CINDENT))
554 int did_append
; /* appended a new line */
555 int saved_pi
= curbuf
->b_p_pi
; /* copy of preserveindent setting */
558 * make a copy of the current line so we can mess with it
560 saved_line
= vim_strsave(ml_get_curline());
561 if (saved_line
== NULL
) /* out of memory! */
565 if (State
& VREPLACE_FLAG
)
568 * With VREPLACE we make a copy of the next line, which we will be
569 * starting to replace. First make the new line empty and let vim play
570 * with the indenting and comment leader to its heart's content. Then
571 * we grab what it ended up putting on the new line, put back the
572 * original line, and call ins_char() to put each new character onto
573 * the line, replacing what was there before and pushing the right
574 * stuff onto the replace stack. -- webb.
576 if (curwin
->w_cursor
.lnum
< orig_line_count
)
577 next_line
= vim_strsave(ml_get(curwin
->w_cursor
.lnum
+ 1));
579 next_line
= vim_strsave((char_u
*)"");
580 if (next_line
== NULL
) /* out of memory! */
584 * In VREPLACE mode, a NL replaces the rest of the line, and starts
585 * replacing the next line, so push all of the characters left on the
586 * line onto the replace stack. We'll push any other characters that
587 * might be replaced at the start of the next line (due to autoindent
590 replace_push(NUL
); /* Call twice because BS over NL expects it */
592 p
= saved_line
+ curwin
->w_cursor
.col
;
597 p
+= replace_push_mb(p
);
602 saved_line
[curwin
->w_cursor
.col
] = NUL
;
608 && !(State
& VREPLACE_FLAG
)
612 p_extra
= saved_line
+ curwin
->w_cursor
.col
;
613 #ifdef FEAT_SMARTINDENT
614 if (do_si
) /* need first char after new line break */
616 p
= skipwhite(p_extra
);
621 extra_len
= (int)STRLEN(p_extra
);
623 saved_char
= *p_extra
;
627 u_clearline(); /* cannot do "U" command when adding lines */
628 #ifdef FEAT_SMARTINDENT
634 * If we just did an auto-indent, then we didn't type anything on
635 * the prior line, and it should be truncated. Do this even if 'ai' is not
636 * set because automatically inserting a comment leader also sets did_ai.
638 if (dir
== FORWARD
&& did_ai
)
642 * If 'autoindent' and/or 'smartindent' is set, try to figure out what
643 * indent to use for the new line.
646 #ifdef FEAT_SMARTINDENT
652 * count white space on current line
654 newindent
= get_indent_str(saved_line
, (int)curbuf
->b_p_ts
);
656 newindent
= old_indent
; /* for ^^D command in insert mode */
658 #ifdef FEAT_SMARTINDENT
660 * Do smart indenting.
661 * In insert/replace mode (only when dir == FORWARD)
662 * we may move some text to the next line. If it starts with '{'
663 * don't add an indent. Fixes inserting a NL before '{' in line
666 if (!trunc_line
&& do_si
&& *saved_line
!= NUL
667 && (p_extra
== NULL
|| first_char
!= '{'))
672 old_cursor
= curwin
->w_cursor
;
674 # ifdef FEAT_COMMENTS
675 if (flags
& OPENLINE_DO_COM
)
676 lead_len
= get_leader_len(ptr
, NULL
, FALSE
);
683 * Skip preprocessor directives, unless they are
684 * recognised as comments.
687 # ifdef FEAT_COMMENTS
692 while (ptr
[0] == '#' && curwin
->w_cursor
.lnum
> 1)
693 ptr
= ml_get(--curwin
->w_cursor
.lnum
);
694 newindent
= get_indent();
696 # ifdef FEAT_COMMENTS
697 if (flags
& OPENLINE_DO_COM
)
698 lead_len
= get_leader_len(ptr
, NULL
, FALSE
);
704 * This case gets the following right:
706 * * A comment (read '\' as '/').
709 * This should line up here;
712 if (p
[0] == '/' && p
[1] == '*')
718 if (p
[0] == '/' && p
[-1] == '*')
721 * End of C comment, indent should line up
722 * with the line containing the start of
725 curwin
->w_cursor
.col
= (colnr_T
)(p
- ptr
);
726 if ((pos
= findmatch(NULL
, NUL
)) != NULL
)
728 curwin
->w_cursor
.lnum
= pos
->lnum
;
729 newindent
= get_indent();
735 else /* Not a comment line */
738 /* Find last non-blank in line */
739 p
= ptr
+ STRLEN(ptr
) - 1;
740 while (p
> ptr
&& vim_iswhite(*p
))
745 * find the character just before the '{' or ';'
747 if (last_char
== '{' || last_char
== ';')
751 while (p
> ptr
&& vim_iswhite(*p
))
755 * Try to catch lines that are split over multiple
759 * Should line up here!
764 curwin
->w_cursor
.col
= (colnr_T
)(p
- ptr
);
765 if ((pos
= findmatch(NULL
, '(')) != NULL
)
767 curwin
->w_cursor
.lnum
= pos
->lnum
;
768 newindent
= get_indent();
769 ptr
= ml_get_curline();
773 * If last character is '{' do indent, without
774 * checking for "if" and the like.
776 if (last_char
== '{')
778 did_si
= TRUE
; /* do indent */
779 no_si
= TRUE
; /* don't delete it when '{' typed */
782 * Look for "if" and the like, use 'cinwords'.
783 * Don't do this if the previous line ended in ';' or
786 else if (last_char
!= ';' && last_char
!= '}'
787 && cin_is_cinword(ptr
))
791 else /* dir == BACKWARD */
794 * Skip preprocessor directives, unless they are
795 * recognised as comments.
798 # ifdef FEAT_COMMENTS
803 int was_backslashed
= FALSE
;
805 while ((ptr
[0] == '#' || was_backslashed
) &&
806 curwin
->w_cursor
.lnum
< curbuf
->b_ml
.ml_line_count
)
808 if (*ptr
&& ptr
[STRLEN(ptr
) - 1] == '\\')
809 was_backslashed
= TRUE
;
811 was_backslashed
= FALSE
;
812 ptr
= ml_get(++curwin
->w_cursor
.lnum
);
815 newindent
= 0; /* Got to end of file */
817 newindent
= get_indent();
820 if (*p
== '}') /* if line starts with '}': do indent */
822 else /* can delete indent when '{' typed */
825 curwin
->w_cursor
= old_cursor
;
829 #endif /* FEAT_SMARTINDENT */
836 * Find out if the current line starts with a comment leader.
837 * This may then be inserted in front of the new line.
839 end_comment_pending
= NUL
;
840 if (flags
& OPENLINE_DO_COM
)
841 lead_len
= get_leader_len(saved_line
, &lead_flags
, dir
== BACKWARD
);
846 char_u
*lead_repl
= NULL
; /* replaces comment leader */
847 int lead_repl_len
= 0; /* length of *lead_repl */
848 char_u lead_middle
[COM_MAX_LEN
]; /* middle-comment string */
849 char_u lead_end
[COM_MAX_LEN
]; /* end-comment string */
850 char_u
*comment_end
= NULL
; /* where lead_end has been found */
851 int extra_space
= FALSE
; /* append extra space */
853 int require_blank
= FALSE
; /* requires blank after middle */
857 * If the comment leader has the start, middle or end flag, it may not
858 * be used or may be replaced with the middle leader.
860 for (p
= lead_flags
; *p
&& *p
!= ':'; ++p
)
864 require_blank
= TRUE
;
867 if (*p
== COM_START
|| *p
== COM_MIDDLE
)
873 * Doing "O" on a start of comment does not insert leader.
881 /* find start of middle part */
882 (void)copy_option_part(&p
, lead_middle
, COM_MAX_LEN
, ",");
883 require_blank
= FALSE
;
887 * Isolate the strings of the middle and end leader.
889 while (*p
&& p
[-1] != ':') /* find end of middle flags */
892 require_blank
= TRUE
;
895 (void)copy_option_part(&p
, lead_middle
, COM_MAX_LEN
, ",");
897 while (*p
&& p
[-1] != ':') /* find end of end flags */
899 /* Check whether we allow automatic ending of comments */
900 if (*p
== COM_AUTO_END
)
901 end_comment_pending
= -1; /* means we want to set it */
904 n
= copy_option_part(&p
, lead_end
, COM_MAX_LEN
, ",");
906 if (end_comment_pending
== -1) /* we can set it now */
907 end_comment_pending
= lead_end
[n
- 1];
910 * If the end of the comment is in the same line, don't use
911 * the comment leader.
915 for (p
= saved_line
+ lead_len
; *p
; ++p
)
916 if (STRNCMP(p
, lead_end
, n
) == 0)
925 * Doing "o" on a start of comment inserts the middle leader.
929 if (current_flag
== COM_START
)
931 lead_repl
= lead_middle
;
932 lead_repl_len
= (int)STRLEN(lead_middle
);
936 * If we have hit RETURN immediately after the start
937 * comment leader, then put a space after the middle
938 * comment leader on the next line.
940 if (!vim_iswhite(saved_line
[lead_len
- 1])
942 && (int)curwin
->w_cursor
.col
== lead_len
)
944 && saved_line
[lead_len
] == NUL
)
953 * Doing "o" on the end of a comment does not insert leader.
954 * Remember where the end is, might want to use it to find the
955 * start (for C-comments).
959 comment_end
= skipwhite(saved_line
);
965 * Doing "O" on the end of a comment inserts the middle leader.
966 * Find the string for the middle leader, searching backwards.
968 while (p
> curbuf
->b_p_com
&& *p
!= ',')
970 for (lead_repl
= p
; lead_repl
> curbuf
->b_p_com
971 && lead_repl
[-1] != ':'; --lead_repl
)
973 lead_repl_len
= (int)(p
- lead_repl
);
975 /* We can probably always add an extra space when doing "O" on
979 /* Check whether we allow automatic ending of comments */
980 for (p2
= p
; *p2
&& *p2
!= ':'; p2
++)
982 if (*p2
== COM_AUTO_END
)
983 end_comment_pending
= -1; /* means we want to set it */
985 if (end_comment_pending
== -1)
987 /* Find last character in end-comment string */
988 while (*p2
&& *p2
!= ',')
990 end_comment_pending
= p2
[-1];
997 * Comment leader for first line only: Don't repeat leader
998 * when using "O", blank out leader when using "o".
1000 if (dir
== BACKWARD
)
1004 lead_repl
= (char_u
*)"";
1012 /* allocate buffer (may concatenate p_exta later) */
1013 leader
= alloc(lead_len
+ lead_repl_len
+ extra_space
+
1015 allocated
= leader
; /* remember to free it later */
1021 vim_strncpy(leader
, saved_line
, lead_len
);
1024 * Replace leader with lead_repl, right or left adjusted
1026 if (lead_repl
!= NULL
)
1031 for (p
= lead_flags
; *p
&& *p
!= ':'; ++p
)
1033 if (*p
== COM_RIGHT
|| *p
== COM_LEFT
)
1035 else if (VIM_ISDIGIT(*p
) || *p
== '-')
1036 off
= getdigits(&p
);
1038 if (c
== COM_RIGHT
) /* right adjusted leader */
1040 /* find last non-white in the leader to line up with */
1041 for (p
= leader
+ lead_len
- 1; p
> leader
1042 && vim_iswhite(*p
); --p
)
1047 /* Compute the length of the replaced characters in
1048 * screen characters, not bytes. */
1050 int repl_size
= vim_strnsize(lead_repl
,
1056 while (old_size
< repl_size
&& p
> leader
)
1058 mb_ptr_back(leader
, p
);
1059 old_size
+= ptr2cells(p
);
1061 l
= lead_repl_len
- (int)(endp
- p
);
1063 mch_memmove(endp
+ l
, endp
,
1064 (size_t)((leader
+ lead_len
) - endp
));
1068 if (p
< leader
+ lead_repl_len
)
1073 mch_memmove(p
, lead_repl
, (size_t)lead_repl_len
);
1074 if (p
+ lead_repl_len
> leader
+ lead_len
)
1075 p
[lead_repl_len
] = NUL
;
1077 /* blank-out any other chars from the old leader. */
1078 while (--p
>= leader
)
1081 int l
= mb_head_off(leader
, p
);
1086 if (ptr2cells(p
) > 1)
1091 mch_memmove(p
+ 1, p
+ l
+ 1,
1092 (size_t)((leader
+ lead_len
) - (p
+ l
+ 1)));
1098 if (!vim_iswhite(*p
))
1102 else /* left adjusted leader */
1104 p
= skipwhite(leader
);
1106 /* Compute the length of the replaced characters in
1107 * screen characters, not bytes. Move the part that is
1108 * not to be overwritten. */
1110 int repl_size
= vim_strnsize(lead_repl
,
1115 for (i
= 0; p
[i
] != NUL
&& i
< lead_len
; i
+= l
)
1117 l
= (*mb_ptr2len
)(p
+ i
);
1118 if (vim_strnsize(p
, i
+ l
) > repl_size
)
1121 if (i
!= lead_repl_len
)
1123 mch_memmove(p
+ lead_repl_len
, p
+ i
,
1124 (size_t)(lead_len
- i
- (leader
- p
)));
1125 lead_len
+= lead_repl_len
- i
;
1129 mch_memmove(p
, lead_repl
, (size_t)lead_repl_len
);
1131 /* Replace any remaining non-white chars in the old
1132 * leader by spaces. Keep Tabs, the indent must
1133 * remain the same. */
1134 for (p
+= lead_repl_len
; p
< leader
+ lead_len
; ++p
)
1135 if (!vim_iswhite(*p
))
1137 /* Don't put a space before a TAB. */
1138 if (p
+ 1 < leader
+ lead_len
&& p
[1] == TAB
)
1141 mch_memmove(p
, p
+ 1,
1142 (leader
+ lead_len
) - p
);
1147 int l
= (*mb_ptr2len
)(p
);
1151 if (ptr2cells(p
) > 1)
1153 /* Replace a double-wide char with
1158 mch_memmove(p
+ 1, p
+ l
,
1159 (leader
+ lead_len
) - p
);
1169 /* Recompute the indent, it may have changed. */
1171 #ifdef FEAT_SMARTINDENT
1175 newindent
= get_indent_str(leader
, (int)curbuf
->b_p_ts
);
1177 /* Add the indent offset */
1178 if (newindent
+ off
< 0)
1186 /* Correct trailing spaces for the shift, so that
1187 * alignment remains equal. */
1188 while (off
> 0 && lead_len
> 0
1189 && leader
[lead_len
- 1] == ' ')
1191 /* Don't do it when there is a tab before the space */
1192 if (vim_strchr(skipwhite(leader
), '\t') != NULL
)
1198 /* If the leader ends in white space, don't add an
1200 if (lead_len
> 0 && vim_iswhite(leader
[lead_len
- 1]))
1201 extra_space
= FALSE
;
1202 leader
[lead_len
] = NUL
;
1207 leader
[lead_len
++] = ' ';
1208 leader
[lead_len
] = NUL
;
1214 * if a new indent will be set below, remove the indent that
1215 * is in the comment leader
1218 #ifdef FEAT_SMARTINDENT
1223 while (lead_len
&& vim_iswhite(*leader
))
1232 #ifdef FEAT_SMARTINDENT
1233 did_si
= can_si
= FALSE
;
1236 else if (comment_end
!= NULL
)
1239 * We have finished a comment, so we don't use the leader.
1240 * If this was a C-comment and 'ai' or 'si' is set do a normal
1241 * indent to align with the line containing the start of the
1244 if (comment_end
[0] == '*' && comment_end
[1] == '/' &&
1246 #ifdef FEAT_SMARTINDENT
1251 old_cursor
= curwin
->w_cursor
;
1252 curwin
->w_cursor
.col
= (colnr_T
)(comment_end
- saved_line
);
1253 if ((pos
= findmatch(NULL
, NUL
)) != NULL
)
1255 curwin
->w_cursor
.lnum
= pos
->lnum
;
1256 newindent
= get_indent();
1258 curwin
->w_cursor
= old_cursor
;
1264 /* (State == INSERT || State == REPLACE), only when dir == FORWARD */
1265 if (p_extra
!= NULL
)
1267 *p_extra
= saved_char
; /* restore char that NUL replaced */
1270 * When 'ai' set or "flags" has OPENLINE_DELSPACES, skip to the first
1273 * When in REPLACE mode, put the deleted blanks on the replace stack,
1274 * preceded by a NUL, so they can be put back when a BS is entered.
1276 if (REPLACE_NORMAL(State
))
1277 replace_push(NUL
); /* end of extra blanks */
1278 if (curbuf
->b_p_ai
|| (flags
& OPENLINE_DELSPACES
))
1280 while ((*p_extra
== ' ' || *p_extra
== '\t')
1283 || !utf_iscomposing(utf_ptr2char(p_extra
+ 1)))
1287 if (REPLACE_NORMAL(State
))
1288 replace_push(*p_extra
);
1293 if (*p_extra
!= NUL
)
1294 did_ai
= FALSE
; /* append some text, don't truncate now */
1296 /* columns for marks adjusted for removed columns */
1297 less_cols
= (int)(p_extra
- saved_line
);
1300 if (p_extra
== NULL
)
1301 p_extra
= (char_u
*)""; /* append empty line */
1303 #ifdef FEAT_COMMENTS
1304 /* concatenate leader and p_extra, if there is a leader */
1307 STRCAT(leader
, p_extra
);
1309 did_ai
= TRUE
; /* So truncating blanks works with comments */
1310 less_cols
-= lead_len
;
1313 end_comment_pending
= NUL
; /* turns out there was no leader */
1316 old_cursor
= curwin
->w_cursor
;
1317 if (dir
== BACKWARD
)
1318 --curwin
->w_cursor
.lnum
;
1319 #ifdef FEAT_VREPLACE
1320 if (!(State
& VREPLACE_FLAG
) || old_cursor
.lnum
>= orig_line_count
)
1323 if (ml_append(curwin
->w_cursor
.lnum
, p_extra
, (colnr_T
)0, FALSE
)
1326 /* Postpone calling changed_lines(), because it would mess up folding
1328 mark_adjust(curwin
->w_cursor
.lnum
+ 1, (linenr_T
)MAXLNUM
, 1L, 0L);
1331 #ifdef FEAT_VREPLACE
1335 * In VREPLACE mode we are starting to replace the next line.
1337 curwin
->w_cursor
.lnum
++;
1338 if (curwin
->w_cursor
.lnum
>= Insstart
.lnum
+ vr_lines_changed
)
1340 /* In case we NL to a new line, BS to the previous one, and NL
1341 * again, we don't want to save the new line for undo twice.
1343 (void)u_save_cursor(); /* errors are ignored! */
1346 ml_replace(curwin
->w_cursor
.lnum
, p_extra
, TRUE
);
1347 changed_bytes(curwin
->w_cursor
.lnum
, 0);
1348 curwin
->w_cursor
.lnum
--;
1354 #ifdef FEAT_SMARTINDENT
1359 ++curwin
->w_cursor
.lnum
;
1360 #ifdef FEAT_SMARTINDENT
1364 newindent
-= newindent
% (int)curbuf
->b_p_sw
;
1365 newindent
+= (int)curbuf
->b_p_sw
;
1368 /* Copy the indent */
1371 (void)copy_indent(newindent
, saved_line
);
1374 * Set the 'preserveindent' option so that any further screwing
1375 * with the line doesn't entirely destroy our efforts to preserve
1376 * it. It gets restored at the function end.
1378 curbuf
->b_p_pi
= TRUE
;
1381 (void)set_indent(newindent
, SIN_INSERT
);
1382 less_cols
-= curwin
->w_cursor
.col
;
1384 ai_col
= curwin
->w_cursor
.col
;
1387 * In REPLACE mode, for each character in the new indent, there must
1388 * be a NUL on the replace stack, for when it is deleted with BS
1390 if (REPLACE_NORMAL(State
))
1391 for (n
= 0; n
< (int)curwin
->w_cursor
.col
; ++n
)
1393 newcol
+= curwin
->w_cursor
.col
;
1394 #ifdef FEAT_SMARTINDENT
1400 #ifdef FEAT_COMMENTS
1402 * In REPLACE mode, for each character in the extra leader, there must be
1403 * a NUL on the replace stack, for when it is deleted with BS.
1405 if (REPLACE_NORMAL(State
))
1406 while (lead_len
-- > 0)
1410 curwin
->w_cursor
= old_cursor
;
1414 if (trunc_line
|| (State
& INSERT
))
1416 /* truncate current line at cursor */
1417 saved_line
[curwin
->w_cursor
.col
] = NUL
;
1418 /* Remove trailing white space, unless OPENLINE_KEEPTRAIL used. */
1419 if (trunc_line
&& !(flags
& OPENLINE_KEEPTRAIL
))
1420 truncate_spaces(saved_line
);
1421 ml_replace(curwin
->w_cursor
.lnum
, saved_line
, FALSE
);
1425 changed_lines(curwin
->w_cursor
.lnum
, curwin
->w_cursor
.col
,
1426 curwin
->w_cursor
.lnum
+ 1, 1L);
1429 /* Move marks after the line break to the new line. */
1430 if (flags
& OPENLINE_MARKFIX
)
1431 mark_col_adjust(curwin
->w_cursor
.lnum
,
1432 curwin
->w_cursor
.col
+ less_cols_off
,
1433 1L, (long)-less_cols
);
1436 changed_bytes(curwin
->w_cursor
.lnum
, curwin
->w_cursor
.col
);
1440 * Put the cursor on the new line. Careful: the scrollup() above may
1441 * have moved w_cursor, we must use old_cursor.
1443 curwin
->w_cursor
.lnum
= old_cursor
.lnum
+ 1;
1446 changed_lines(curwin
->w_cursor
.lnum
, 0, curwin
->w_cursor
.lnum
, 1L);
1448 curwin
->w_cursor
.col
= newcol
;
1449 #ifdef FEAT_VIRTUALEDIT
1450 curwin
->w_cursor
.coladd
= 0;
1453 #if defined(FEAT_VREPLACE) && (defined(FEAT_LISP) || defined(FEAT_CINDENT))
1455 * In VREPLACE mode, we are handling the replace stack ourselves, so stop
1456 * fixthisline() from doing it (via change_indent()) by telling it we're in
1457 * normal INSERT mode.
1459 if (State
& VREPLACE_FLAG
)
1461 vreplace_mode
= State
; /* So we know to put things right later */
1469 * May do lisp indenting.
1472 # ifdef FEAT_COMMENTS
1478 fixthisline(get_lisp_indent
);
1479 p
= ml_get_curline();
1480 ai_col
= (colnr_T
)(skipwhite(p
) - p
);
1485 * May do indenting after opening a new line.
1490 || *curbuf
->b_p_inde
!= NUL
1493 && in_cinkeys(dir
== FORWARD
1495 : KEY_OPEN_BACK
, ' ', linewhite(curwin
->w_cursor
.lnum
)))
1498 p
= ml_get_curline();
1499 ai_col
= (colnr_T
)(skipwhite(p
) - p
);
1502 #if defined(FEAT_VREPLACE) && (defined(FEAT_LISP) || defined(FEAT_CINDENT))
1503 if (vreplace_mode
!= 0)
1504 State
= vreplace_mode
;
1507 #ifdef FEAT_VREPLACE
1509 * Finally, VREPLACE gets the stuff on the new line, then puts back the
1510 * original line, and inserts the new stuff char by char, pushing old stuff
1511 * onto the replace stack (via ins_char()).
1513 if (State
& VREPLACE_FLAG
)
1515 /* Put new line in p_extra */
1516 p_extra
= vim_strsave(ml_get_curline());
1517 if (p_extra
== NULL
)
1520 /* Put back original line */
1521 ml_replace(curwin
->w_cursor
.lnum
, next_line
, FALSE
);
1523 /* Insert new stuff into line again */
1524 curwin
->w_cursor
.col
= 0;
1525 #ifdef FEAT_VIRTUALEDIT
1526 curwin
->w_cursor
.coladd
= 0;
1528 ins_bytes(p_extra
); /* will call changed_bytes() */
1534 retval
= TRUE
; /* success! */
1536 curbuf
->b_p_pi
= saved_pi
;
1537 vim_free(saved_line
);
1538 vim_free(next_line
);
1539 vim_free(allocated
);
1543 #if defined(FEAT_COMMENTS) || defined(PROTO)
1545 * get_leader_len() returns the length of the prefix of the given string
1546 * which introduces a comment. If this string is not a comment then 0 is
1548 * When "flags" is not NULL, it is set to point to the flags of the recognized
1550 * "backward" must be true for the "O" command.
1553 get_leader_len(line
, flags
, backward
)
1559 int got_com
= FALSE
;
1561 char_u part_buf
[COM_MAX_LEN
]; /* buffer for one option part */
1562 char_u
*string
; /* pointer to comment string */
1566 while (vim_iswhite(line
[i
])) /* leading white space is ignored */
1570 * Repeat to match several nested comment strings.
1575 * scan through the 'comments' option for a match
1578 for (list
= curbuf
->b_p_com
; *list
; )
1581 * Get one option part into part_buf[]. Advance list to next one.
1582 * put string at start of string.
1584 if (!got_com
&& flags
!= NULL
) /* remember where flags started */
1586 (void)copy_option_part(&list
, part_buf
, COM_MAX_LEN
, ",");
1587 string
= vim_strchr(part_buf
, ':');
1588 if (string
== NULL
) /* missing ':', ignore this part */
1590 *string
++ = NUL
; /* isolate flags from string */
1593 * When already found a nested comment, only accept further
1596 if (got_com
&& vim_strchr(part_buf
, COM_NEST
) == NULL
)
1599 /* When 'O' flag used don't use for "O" command */
1600 if (backward
&& vim_strchr(part_buf
, COM_NOBACK
) != NULL
)
1604 * Line contents and string must match.
1605 * When string starts with white space, must have some white space
1606 * (but the amount does not need to match, there might be a mix of
1609 if (vim_iswhite(string
[0]))
1611 if (i
== 0 || !vim_iswhite(line
[i
- 1]))
1613 while (vim_iswhite(string
[0]))
1616 for (j
= 0; string
[j
] != NUL
&& string
[j
] == line
[i
+ j
]; ++j
)
1618 if (string
[j
] != NUL
)
1622 * When 'b' flag used, there must be white space or an
1623 * end-of-line after the string in the line.
1625 if (vim_strchr(part_buf
, COM_BLANK
) != NULL
1626 && !vim_iswhite(line
[i
+ j
]) && line
[i
+ j
] != NUL
)
1630 * We have found a match, stop searching.
1639 * No match found, stop scanning.
1645 * Include any trailing white space.
1647 while (vim_iswhite(line
[i
]))
1651 * If this comment doesn't nest, stop here.
1653 if (vim_strchr(part_buf
, COM_NEST
) == NULL
)
1656 return (got_com
? i
: 0);
1661 * Return the number of window lines occupied by buffer line "lnum".
1667 return plines_win(curwin
, lnum
, TRUE
);
1671 plines_win(wp
, lnum
, winheight
)
1674 int winheight
; /* when TRUE limit to window height */
1676 #if defined(FEAT_DIFF) || defined(PROTO)
1677 /* Check for filler lines above this buffer line. When folded the result
1678 * is one line anyway. */
1679 return plines_win_nofill(wp
, lnum
, winheight
) + diff_check_fill(wp
, lnum
);
1686 return plines_win_nofill(curwin
, lnum
, TRUE
);
1690 plines_win_nofill(wp
, lnum
, winheight
)
1693 int winheight
; /* when TRUE limit to window height */
1701 #ifdef FEAT_VERTSPLIT
1702 if (wp
->w_width
== 0)
1707 /* A folded lines is handled just like an empty line. */
1708 /* NOTE: Caller must handle lines that are MAYBE folded. */
1709 if (lineFolded(wp
, lnum
) == TRUE
)
1713 lines
= plines_win_nofold(wp
, lnum
);
1714 if (winheight
> 0 && lines
> wp
->w_height
)
1715 return (int)wp
->w_height
;
1720 * Return number of window lines physical line "lnum" will occupy in window
1721 * "wp". Does not care about folding, 'wrap' or 'diff'.
1724 plines_win_nofold(wp
, lnum
)
1732 s
= ml_get_buf(wp
->w_buffer
, lnum
, FALSE
);
1733 if (*s
== NUL
) /* empty line */
1735 col
= win_linetabsize(wp
, s
, (colnr_T
)MAXCOL
);
1738 * If list mode is on, then the '$' at the end of the line may take up one
1741 if (wp
->w_p_list
&& lcs_eol
!= NUL
)
1745 * Add column offset for 'number' and 'foldcolumn'.
1747 width
= W_WIDTH(wp
) - win_col_off(wp
);
1753 width
+= win_col_off2(wp
);
1754 return (col
+ (width
- 1)) / width
+ 1;
1758 * Like plines_win(), but only reports the number of physical screen lines
1759 * used from the start of the line to the given column number.
1762 plines_win_col(wp
, lnum
, column
)
1773 /* Check for filler lines above this buffer line. When folded the result
1774 * is one line anyway. */
1775 lines
= diff_check_fill(wp
, lnum
);
1781 #ifdef FEAT_VERTSPLIT
1782 if (wp
->w_width
== 0)
1786 s
= ml_get_buf(wp
->w_buffer
, lnum
, FALSE
);
1789 while (*s
!= NUL
&& --column
>= 0)
1791 col
+= win_lbr_chartabsize(wp
, s
, (colnr_T
)col
, NULL
);
1796 * If *s is a TAB, and the TAB is not displayed as ^I, and we're not in
1797 * INSERT mode, then col must be adjusted so that it represents the last
1798 * screen position of the TAB. This only fixes an error when the TAB wraps
1799 * from one screen line to the next (when 'columns' is not a multiple of
1802 if (*s
== TAB
&& (State
& NORMAL
) && (!wp
->w_p_list
|| lcs_tab1
))
1803 col
+= win_lbr_chartabsize(wp
, s
, (colnr_T
)col
, NULL
) - 1;
1806 * Add column offset for 'number', 'foldcolumn', etc.
1808 width
= W_WIDTH(wp
) - win_col_off(wp
);
1814 lines
+= (col
- width
) / (width
+ win_col_off2(wp
)) + 1;
1819 plines_m_win(wp
, first
, last
)
1821 linenr_T first
, last
;
1825 while (first
<= last
)
1830 /* Check if there are any really folded lines, but also included lines
1831 * that are maybe folded. */
1832 x
= foldedCount(wp
, first
, NULL
);
1835 ++count
; /* count 1 for "+-- folded" line */
1842 if (first
== wp
->w_topline
)
1843 count
+= plines_win_nofill(wp
, first
, TRUE
) + wp
->w_topfill
;
1846 count
+= plines_win(wp
, first
, TRUE
);
1853 #if defined(FEAT_VREPLACE) || defined(FEAT_INS_EXPAND) || defined(PROTO)
1855 * Insert string "p" at the cursor position. Stops at a NUL byte.
1856 * Handles Replace mode and multi-byte characters.
1862 ins_bytes_len(p
, (int)STRLEN(p
));
1866 #if defined(FEAT_VREPLACE) || defined(FEAT_INS_EXPAND) \
1867 || defined(FEAT_COMMENTS) || defined(FEAT_MBYTE) || defined(PROTO)
1869 * Insert string "p" with length "len" at the cursor position.
1870 * Handles Replace mode and multi-byte characters.
1873 ins_bytes_len(p
, len
)
1881 for (i
= 0; i
< len
; i
+= n
)
1883 n
= (*mb_ptr2len
)(p
+ i
);
1884 ins_char_bytes(p
+ i
, n
);
1887 for (i
= 0; i
< len
; ++i
)
1894 * Insert or replace a single character at the cursor position.
1895 * When in REPLACE or VREPLACE mode, replace any existing character.
1896 * Caller must have prepared for undo.
1897 * For multi-byte characters we get the whole character, the caller must
1898 * convert bytes to a character.
1904 #if defined(FEAT_MBYTE) || defined(PROTO)
1905 char_u buf
[MB_MAXBYTES
];
1908 n
= (*mb_char2bytes
)(c
, buf
);
1910 /* When "c" is 0x100, 0x200, etc. we don't want to insert a NUL byte.
1911 * Happens for CTRL-Vu9900. */
1915 ins_char_bytes(buf
, n
);
1919 ins_char_bytes(buf
, charlen
)
1925 int newlen
; /* nr of bytes inserted */
1926 int oldlen
; /* nr of bytes deleted (0 when not replacing) */
1930 int linelen
; /* length of old line including NUL */
1932 linenr_T lnum
= curwin
->w_cursor
.lnum
;
1935 #ifdef FEAT_VIRTUALEDIT
1936 /* Break tabs if needed. */
1937 if (virtual_active() && curwin
->w_cursor
.coladd
> 0)
1938 coladvance_force(getviscol());
1941 col
= curwin
->w_cursor
.col
;
1942 oldp
= ml_get(lnum
);
1943 linelen
= (int)STRLEN(oldp
) + 1;
1945 /* The lengths default to the values for when not replacing. */
1953 if (State
& REPLACE_FLAG
)
1955 #ifdef FEAT_VREPLACE
1956 if (State
& VREPLACE_FLAG
)
1958 colnr_T new_vcol
= 0; /* init for GCC */
1966 * Disable 'list' temporarily, unless 'cpo' contains the 'L' flag.
1967 * Returns the old value of list, so when finished,
1968 * curwin->w_p_list should be set back to this.
1970 old_list
= curwin
->w_p_list
;
1971 if (old_list
&& vim_strchr(p_cpo
, CPO_LISTWM
) == NULL
)
1972 curwin
->w_p_list
= FALSE
;
1975 * In virtual replace mode each character may replace one or more
1976 * characters (zero if it's a TAB). Count the number of bytes to
1977 * be deleted to make room for the new character, counting screen
1978 * cells. May result in adding spaces to fill a gap.
1980 getvcol(curwin
, &curwin
->w_cursor
, NULL
, &vcol
, NULL
);
1985 new_vcol
= vcol
+ chartabsize(buf
, vcol
);
1986 while (oldp
[col
+ oldlen
] != NUL
&& vcol
< new_vcol
)
1988 vcol
+= chartabsize(oldp
+ col
+ oldlen
, vcol
);
1989 /* Don't need to remove a TAB that takes us to the right
1991 if (vcol
> new_vcol
&& oldp
[col
+ oldlen
] == TAB
)
1994 oldlen
+= (*mb_ptr2len
)(oldp
+ col
+ oldlen
);
1998 /* Deleted a bit too much, insert spaces. */
1999 if (vcol
> new_vcol
)
2000 newlen
+= vcol
- new_vcol
;
2002 curwin
->w_p_list
= old_list
;
2006 if (oldp
[col
] != NUL
)
2008 /* normal replace */
2010 oldlen
= (*mb_ptr2len
)(oldp
+ col
);
2017 /* Push the replaced bytes onto the replace stack, so that they can be
2018 * put back when BS is used. The bytes of a multi-byte character are
2019 * done the other way around, so that the first byte is popped off
2020 * first (it tells the byte length of the character). */
2022 for (i
= 0; i
< oldlen
; ++i
)
2026 i
+= replace_push_mb(oldp
+ col
+ i
) - 1;
2029 replace_push(oldp
[col
+ i
]);
2033 newp
= alloc_check((unsigned)(linelen
+ newlen
- oldlen
));
2037 /* Copy bytes before the cursor. */
2039 mch_memmove(newp
, oldp
, (size_t)col
);
2041 /* Copy bytes after the changed character(s). */
2043 mch_memmove(p
+ newlen
, oldp
+ col
+ oldlen
,
2044 (size_t)(linelen
- col
- oldlen
));
2046 /* Insert or overwrite the new character. */
2048 mch_memmove(p
, buf
, charlen
);
2055 /* Fill with spaces when necessary. */
2059 /* Replace the line in the buffer. */
2060 ml_replace(lnum
, newp
, FALSE
);
2062 /* mark the buffer as changed and prepare for displaying */
2063 changed_bytes(lnum
, col
);
2066 * If we're in Insert or Replace mode and 'showmatch' is set, then briefly
2067 * show the match for right parens and braces.
2069 if (p_sm
&& (State
& INSERT
)
2074 #ifdef FEAT_INS_EXPAND
2075 && !ins_compl_active()
2080 #ifdef FEAT_RIGHTLEFT
2081 if (!p_ri
|| (State
& REPLACE_FLAG
))
2084 /* Normal insert: move cursor right */
2086 curwin
->w_cursor
.col
+= charlen
;
2088 ++curwin
->w_cursor
.col
;
2092 * TODO: should try to update w_row here, to avoid recomputing it later.
2097 * Insert a string at the cursor position.
2098 * Note: Does NOT handle Replace mode.
2099 * Caller must have prepared for undo.
2105 char_u
*oldp
, *newp
;
2106 int newlen
= (int)STRLEN(s
);
2109 linenr_T lnum
= curwin
->w_cursor
.lnum
;
2111 #ifdef FEAT_VIRTUALEDIT
2112 if (virtual_active() && curwin
->w_cursor
.coladd
> 0)
2113 coladvance_force(getviscol());
2116 col
= curwin
->w_cursor
.col
;
2117 oldp
= ml_get(lnum
);
2118 oldlen
= (int)STRLEN(oldp
);
2120 newp
= alloc_check((unsigned)(oldlen
+ newlen
+ 1));
2124 mch_memmove(newp
, oldp
, (size_t)col
);
2125 mch_memmove(newp
+ col
, s
, (size_t)newlen
);
2126 mch_memmove(newp
+ col
+ newlen
, oldp
+ col
, (size_t)(oldlen
- col
+ 1));
2127 ml_replace(lnum
, newp
, FALSE
);
2128 changed_bytes(lnum
, col
);
2129 curwin
->w_cursor
.col
+= newlen
;
2133 * Delete one character under the cursor.
2134 * If "fixpos" is TRUE, don't leave the cursor on the NUL after the line.
2135 * Caller must have prepared for undo.
2137 * return FAIL for failure, OK otherwise
2146 /* Make sure the cursor is at the start of a character. */
2148 if (*ml_get_cursor() == NUL
)
2150 return del_chars(1L, fixpos
);
2153 return del_bytes(1L, fixpos
, TRUE
);
2156 #if defined(FEAT_MBYTE) || defined(PROTO)
2158 * Like del_bytes(), but delete characters instead of bytes.
2161 del_chars(count
, fixpos
)
2170 p
= ml_get_cursor();
2171 for (i
= 0; i
< count
&& *p
!= NUL
; ++i
)
2173 l
= (*mb_ptr2len
)(p
);
2177 return del_bytes(bytes
, fixpos
, TRUE
);
2182 * Delete "count" bytes under the cursor.
2183 * If "fixpos" is TRUE, don't leave the cursor on the NUL after the line.
2184 * Caller must have prepared for undo.
2186 * return FAIL for failure, OK otherwise
2190 del_bytes(count
, fixpos_arg
, use_delcombine
)
2193 int use_delcombine
; /* 'delcombine' option applies */
2195 char_u
*oldp
, *newp
;
2197 linenr_T lnum
= curwin
->w_cursor
.lnum
;
2198 colnr_T col
= curwin
->w_cursor
.col
;
2201 int fixpos
= fixpos_arg
;
2203 oldp
= ml_get(lnum
);
2204 oldlen
= (int)STRLEN(oldp
);
2207 * Can't do anything when the cursor is on the NUL after the line.
2213 /* If 'delcombine' is set and deleting (less than) one character, only
2214 * delete the last combining character. */
2215 if (p_deco
&& use_delcombine
&& enc_utf8
2216 && utfc_ptr2len(oldp
+ col
) >= count
)
2221 (void)utfc_ptr2char(oldp
+ col
, cc
);
2224 /* Find the last composing char, there can be several. */
2229 count
= utf_ptr2len(oldp
+ n
);
2231 } while (UTF_COMPOSINGLIKE(oldp
+ col
, oldp
+ n
));
2238 * When count is too big, reduce it.
2240 movelen
= (long)oldlen
- (long)col
- count
+ 1; /* includes trailing NUL */
2244 * If we just took off the last character of a non-blank line, and
2245 * fixpos is TRUE, we don't want to end up positioned at the NUL,
2246 * unless "restart_edit" is set or 'virtualedit' contains "onemore".
2248 if (col
> 0 && fixpos
&& restart_edit
== 0
2249 #ifdef FEAT_VIRTUALEDIT
2250 && (ve_flags
& VE_ONEMORE
) == 0
2254 --curwin
->w_cursor
.col
;
2255 #ifdef FEAT_VIRTUALEDIT
2256 curwin
->w_cursor
.coladd
= 0;
2260 curwin
->w_cursor
.col
-=
2261 (*mb_head_off
)(oldp
, oldp
+ curwin
->w_cursor
.col
);
2264 count
= oldlen
- col
;
2269 * If the old line has been allocated the deletion can be done in the
2270 * existing line. Otherwise a new line has to be allocated
2272 was_alloced
= ml_line_alloced(); /* check if oldp was allocated */
2273 #ifdef FEAT_NETBEANS_INTG
2274 if (was_alloced
&& usingNetbeans
)
2275 netbeans_removed(curbuf
, lnum
, col
, count
);
2276 /* else is handled by ml_replace() */
2279 newp
= oldp
; /* use same allocated memory */
2281 { /* need to allocate a new line */
2282 newp
= alloc((unsigned)(oldlen
+ 1 - count
));
2285 mch_memmove(newp
, oldp
, (size_t)col
);
2287 mch_memmove(newp
+ col
, oldp
+ col
+ count
, (size_t)movelen
);
2289 ml_replace(lnum
, newp
, FALSE
);
2291 /* mark the buffer as changed and prepare for displaying */
2292 changed_bytes(lnum
, curwin
->w_cursor
.col
);
2298 * Delete from cursor to end of line.
2299 * Caller must have prepared for undo.
2301 * return FAIL for failure, OK otherwise
2304 truncate_line(fixpos
)
2305 int fixpos
; /* if TRUE fix the cursor position when done */
2308 linenr_T lnum
= curwin
->w_cursor
.lnum
;
2309 colnr_T col
= curwin
->w_cursor
.col
;
2312 newp
= vim_strsave((char_u
*)"");
2314 newp
= vim_strnsave(ml_get(lnum
), col
);
2319 ml_replace(lnum
, newp
, FALSE
);
2321 /* mark the buffer as changed and prepare for displaying */
2322 changed_bytes(lnum
, curwin
->w_cursor
.col
);
2325 * If "fixpos" is TRUE we don't want to end up positioned at the NUL.
2327 if (fixpos
&& curwin
->w_cursor
.col
> 0)
2328 --curwin
->w_cursor
.col
;
2334 * Delete "nlines" lines at the cursor.
2335 * Saves the lines for undo first if "undo" is TRUE.
2338 del_lines(nlines
, undo
)
2339 long nlines
; /* number of lines to delete */
2340 int undo
; /* if TRUE, prepare for undo */
2347 /* save the deleted lines for undo */
2348 if (undo
&& u_savedel(curwin
->w_cursor
.lnum
, nlines
) == FAIL
)
2351 for (n
= 0; n
< nlines
; )
2353 if (curbuf
->b_ml
.ml_flags
& ML_EMPTY
) /* nothing to delete */
2356 ml_delete(curwin
->w_cursor
.lnum
, TRUE
);
2359 /* If we delete the last line in the file, stop */
2360 if (curwin
->w_cursor
.lnum
> curbuf
->b_ml
.ml_line_count
)
2363 /* adjust marks, mark the buffer as changed and prepare for displaying */
2364 deleted_lines_mark(curwin
->w_cursor
.lnum
, n
);
2366 curwin
->w_cursor
.col
= 0;
2367 check_cursor_lnum();
2374 char_u
*ptr
= ml_get_pos(pos
);
2378 return (*mb_ptr2char
)(ptr
);
2388 return (*mb_ptr2char
)(ml_get_cursor());
2390 return (int)*ml_get_cursor();
2394 * Write a character at the current cursor position.
2395 * It is directly written into the block.
2401 *(ml_get_buf(curbuf
, curwin
->w_cursor
.lnum
, TRUE
)
2402 + curwin
->w_cursor
.col
) = c
;
2405 #if 0 /* not used */
2407 * Put *pos at end of current buffer
2415 pos
->lnum
= curbuf
->b_ml
.ml_line_count
;
2417 p
= ml_get(pos
->lnum
);
2424 * When extra == 0: Return TRUE if the cursor is before or on the first
2425 * non-blank in the line.
2426 * When extra == 1: Return TRUE if the cursor is before the first non-blank in
2436 for (col
= 0, ptr
= ml_get_curline(); vim_iswhite(*ptr
); ++col
)
2438 if (col
>= curwin
->w_cursor
.col
+ extra
)
2445 * Skip to next part of an option argument: Skip space and comma.
2448 skip_to_option_part(p
)
2459 * changed() is called when something in the current buffer is changed.
2461 * Most often called through changed_bytes() and changed_lines(), which also
2462 * mark the area of the display to be redrawn.
2467 #if defined(FEAT_XIM) && defined(FEAT_GUI_GTK)
2468 /* The text of the preediting area is inserted, but this doesn't
2469 * mean a change of the buffer yet. That is delayed until the
2470 * text is committed. (this means preedit becomes empty) */
2471 if (im_is_preediting() && !xim_changed_while_preediting
)
2473 xim_changed_while_preediting
= FALSE
;
2476 if (!curbuf
->b_changed
)
2478 int save_msg_scroll
= msg_scroll
;
2480 /* Give a warning about changing a read-only file. This may also
2481 * check-out the file, thus change "curbuf"! */
2484 /* Create a swap file if that is wanted.
2485 * Don't do this for "nofile" and "nowrite" buffer types. */
2486 if (curbuf
->b_may_swap
2487 #ifdef FEAT_QUICKFIX
2488 && !bt_dontwrite(curbuf
)
2492 ml_open_file(curbuf
);
2494 /* The ml_open_file() can cause an ATTENTION message.
2495 * Wait two seconds, to make sure the user reads this unexpected
2496 * message. Since we could be anywhere, call wait_return() now,
2497 * and don't let the emsg() set msg_scroll. */
2498 if (need_wait_return
&& emsg_silent
== 0)
2501 ui_delay(2000L, TRUE
);
2503 msg_scroll
= save_msg_scroll
;
2506 curbuf
->b_changed
= TRUE
;
2507 ml_setflags(curbuf
);
2509 check_status(curbuf
);
2510 redraw_tabline
= TRUE
;
2513 need_maketitle
= TRUE
; /* set window title later */
2516 ++curbuf
->b_changedtick
;
2519 static void changedOneline
__ARGS((buf_T
*buf
, linenr_T lnum
));
2520 static void changed_lines_buf
__ARGS((buf_T
*buf
, linenr_T lnum
, linenr_T lnume
, long xtra
));
2521 static void changed_common
__ARGS((linenr_T lnum
, colnr_T col
, linenr_T lnume
, long xtra
));
2524 * Changed bytes within a single line for the current buffer.
2525 * - marks the windows on this buffer to be redisplayed
2526 * - marks the buffer changed by calling changed()
2527 * - invalidates cached values
2530 changed_bytes(lnum
, col
)
2534 changedOneline(curbuf
, lnum
);
2535 changed_common(lnum
, col
, lnum
+ 1, 0L);
2538 /* Diff highlighting in other diff windows may need to be updated too. */
2539 if (curwin
->w_p_diff
)
2544 for (wp
= firstwin
; wp
!= NULL
; wp
= wp
->w_next
)
2545 if (wp
->w_p_diff
&& wp
!= curwin
)
2547 redraw_win_later(wp
, VALID
);
2548 wlnum
= diff_lnum_win(lnum
, wp
);
2550 changedOneline(wp
->w_buffer
, wlnum
);
2557 changedOneline(buf
, lnum
)
2563 /* find the maximum area that must be redisplayed */
2564 if (lnum
< buf
->b_mod_top
)
2565 buf
->b_mod_top
= lnum
;
2566 else if (lnum
>= buf
->b_mod_bot
)
2567 buf
->b_mod_bot
= lnum
+ 1;
2571 /* set the area that must be redisplayed to one line */
2572 buf
->b_mod_set
= TRUE
;
2573 buf
->b_mod_top
= lnum
;
2574 buf
->b_mod_bot
= lnum
+ 1;
2575 buf
->b_mod_xlines
= 0;
2580 * Appended "count" lines below line "lnum" in the current buffer.
2581 * Must be called AFTER the change and after mark_adjust().
2582 * Takes care of marking the buffer to be redrawn and sets the changed flag.
2585 appended_lines(lnum
, count
)
2589 changed_lines(lnum
+ 1, 0, lnum
+ 1, count
);
2593 * Like appended_lines(), but adjust marks first.
2596 appended_lines_mark(lnum
, count
)
2600 mark_adjust(lnum
+ 1, (linenr_T
)MAXLNUM
, count
, 0L);
2601 changed_lines(lnum
+ 1, 0, lnum
+ 1, count
);
2605 * Deleted "count" lines at line "lnum" in the current buffer.
2606 * Must be called AFTER the change and after mark_adjust().
2607 * Takes care of marking the buffer to be redrawn and sets the changed flag.
2610 deleted_lines(lnum
, count
)
2614 changed_lines(lnum
, 0, lnum
+ count
, -count
);
2618 * Like deleted_lines(), but adjust marks first.
2621 deleted_lines_mark(lnum
, count
)
2625 mark_adjust(lnum
, (linenr_T
)(lnum
+ count
- 1), (long)MAXLNUM
, -count
);
2626 changed_lines(lnum
, 0, lnum
+ count
, -count
);
2630 * Changed lines for the current buffer.
2631 * Must be called AFTER the change and after mark_adjust().
2632 * - mark the buffer changed by calling changed()
2633 * - mark the windows on this buffer to be redisplayed
2634 * - invalidate cached values
2635 * "lnum" is the first line that needs displaying, "lnume" the first line
2636 * below the changed lines (BEFORE the change).
2637 * When only inserting lines, "lnum" and "lnume" are equal.
2638 * Takes care of calling changed() and updating b_mod_*.
2641 changed_lines(lnum
, col
, lnume
, xtra
)
2642 linenr_T lnum
; /* first line with change */
2643 colnr_T col
; /* column in first line with change */
2644 linenr_T lnume
; /* line below last changed line */
2645 long xtra
; /* number of extra lines (negative when deleting) */
2647 changed_lines_buf(curbuf
, lnum
, lnume
, xtra
);
2650 if (xtra
== 0 && curwin
->w_p_diff
)
2652 /* When the number of lines doesn't change then mark_adjust() isn't
2653 * called and other diff buffers still need to be marked for
2658 for (wp
= firstwin
; wp
!= NULL
; wp
= wp
->w_next
)
2659 if (wp
->w_p_diff
&& wp
!= curwin
)
2661 redraw_win_later(wp
, VALID
);
2662 wlnum
= diff_lnum_win(lnum
, wp
);
2664 changed_lines_buf(wp
->w_buffer
, wlnum
,
2665 lnume
- lnum
+ wlnum
, 0L);
2670 changed_common(lnum
, col
, lnume
, xtra
);
2674 changed_lines_buf(buf
, lnum
, lnume
, xtra
)
2676 linenr_T lnum
; /* first line with change */
2677 linenr_T lnume
; /* line below last changed line */
2678 long xtra
; /* number of extra lines (negative when deleting) */
2682 /* find the maximum area that must be redisplayed */
2683 if (lnum
< buf
->b_mod_top
)
2684 buf
->b_mod_top
= lnum
;
2685 if (lnum
< buf
->b_mod_bot
)
2687 /* adjust old bot position for xtra lines */
2688 buf
->b_mod_bot
+= xtra
;
2689 if (buf
->b_mod_bot
< lnum
)
2690 buf
->b_mod_bot
= lnum
;
2692 if (lnume
+ xtra
> buf
->b_mod_bot
)
2693 buf
->b_mod_bot
= lnume
+ xtra
;
2694 buf
->b_mod_xlines
+= xtra
;
2698 /* set the area that must be redisplayed */
2699 buf
->b_mod_set
= TRUE
;
2700 buf
->b_mod_top
= lnum
;
2701 buf
->b_mod_bot
= lnume
+ xtra
;
2702 buf
->b_mod_xlines
= xtra
;
2707 changed_common(lnum
, col
, lnume
, xtra
)
2715 #ifdef FEAT_JUMPLIST
2721 /* mark the buffer as modified */
2724 /* set the '. mark */
2725 if (!cmdmod
.keepjumps
)
2727 curbuf
->b_last_change
.lnum
= lnum
;
2728 curbuf
->b_last_change
.col
= col
;
2730 #ifdef FEAT_JUMPLIST
2731 /* Create a new entry if a new undo-able change was started or we
2732 * don't have an entry yet. */
2733 if (curbuf
->b_new_change
|| curbuf
->b_changelistlen
== 0)
2735 if (curbuf
->b_changelistlen
== 0)
2739 /* Don't create a new entry when the line number is the same
2740 * as the last one and the column is not too far away. Avoids
2741 * creating many entries for typing "xxxxx". */
2742 p
= &curbuf
->b_changelist
[curbuf
->b_changelistlen
- 1];
2743 if (p
->lnum
!= lnum
)
2747 cols
= comp_textwidth(FALSE
);
2750 add
= (p
->col
+ cols
< col
|| col
+ cols
< p
->col
);
2755 /* This is the first of a new sequence of undo-able changes
2756 * and it's at some distance of the last change. Use a new
2757 * position in the changelist. */
2758 curbuf
->b_new_change
= FALSE
;
2760 if (curbuf
->b_changelistlen
== JUMPLISTSIZE
)
2762 /* changelist is full: remove oldest entry */
2763 curbuf
->b_changelistlen
= JUMPLISTSIZE
- 1;
2764 mch_memmove(curbuf
->b_changelist
, curbuf
->b_changelist
+ 1,
2765 sizeof(pos_T
) * (JUMPLISTSIZE
- 1));
2768 /* Correct position in changelist for other windows on
2770 if (wp
->w_buffer
== curbuf
&& wp
->w_changelistidx
> 0)
2771 --wp
->w_changelistidx
;
2776 /* For other windows, if the position in the changelist is
2777 * at the end it stays at the end. */
2778 if (wp
->w_buffer
== curbuf
2779 && wp
->w_changelistidx
== curbuf
->b_changelistlen
)
2780 ++wp
->w_changelistidx
;
2782 ++curbuf
->b_changelistlen
;
2785 curbuf
->b_changelist
[curbuf
->b_changelistlen
- 1] =
2786 curbuf
->b_last_change
;
2787 /* The current window is always after the last change, so that "g,"
2788 * takes you back to it. */
2789 curwin
->w_changelistidx
= curbuf
->b_changelistlen
;
2795 if (wp
->w_buffer
== curbuf
)
2797 /* Mark this window to be redrawn later. */
2798 if (wp
->w_redr_type
< VALID
)
2799 wp
->w_redr_type
= VALID
;
2801 /* Check if a change in the buffer has invalidated the cached
2802 * values for the cursor. */
2805 * Update the folds for this window. Can't postpone this, because
2806 * a following operator might work on the whole fold: ">>dd".
2808 foldUpdate(wp
, lnum
, lnume
+ xtra
- 1);
2810 /* The change may cause lines above or below the change to become
2811 * included in a fold. Set lnum/lnume to the first/last line that
2812 * might be displayed differently.
2813 * Set w_cline_folded here as an efficient way to update it when
2814 * inserting lines just above a closed fold. */
2815 i
= hasFoldingWin(wp
, lnum
, &lnum
, NULL
, FALSE
, NULL
);
2816 if (wp
->w_cursor
.lnum
== lnum
)
2817 wp
->w_cline_folded
= i
;
2818 i
= hasFoldingWin(wp
, lnume
, NULL
, &lnume
, FALSE
, NULL
);
2819 if (wp
->w_cursor
.lnum
== lnume
)
2820 wp
->w_cline_folded
= i
;
2822 /* If the changed line is in a range of previously folded lines,
2823 * compare with the first line in that range. */
2824 if (wp
->w_cursor
.lnum
<= lnum
)
2826 i
= find_wl_entry(wp
, lnum
);
2827 if (i
>= 0 && wp
->w_cursor
.lnum
> wp
->w_lines
[i
].wl_lnum
)
2828 changed_line_abv_curs_win(wp
);
2832 if (wp
->w_cursor
.lnum
> lnum
)
2833 changed_line_abv_curs_win(wp
);
2834 else if (wp
->w_cursor
.lnum
== lnum
&& wp
->w_cursor
.col
>= col
)
2835 changed_cline_bef_curs_win(wp
);
2836 if (wp
->w_botline
>= lnum
)
2838 /* Assume that botline doesn't change (inserted lines make
2839 * other lines scroll down below botline). */
2840 approximate_botline_win(wp
);
2843 /* Check if any w_lines[] entries have become invalid.
2844 * For entries below the change: Correct the lnums for
2845 * inserted/deleted lines. Makes it possible to stop displaying
2846 * after the change. */
2847 for (i
= 0; i
< wp
->w_lines_valid
; ++i
)
2848 if (wp
->w_lines
[i
].wl_valid
)
2850 if (wp
->w_lines
[i
].wl_lnum
>= lnum
)
2852 if (wp
->w_lines
[i
].wl_lnum
< lnume
)
2854 /* line included in change */
2855 wp
->w_lines
[i
].wl_valid
= FALSE
;
2859 /* line below change */
2860 wp
->w_lines
[i
].wl_lnum
+= xtra
;
2862 wp
->w_lines
[i
].wl_lastlnum
+= xtra
;
2867 else if (wp
->w_lines
[i
].wl_lastlnum
>= lnum
)
2869 /* change somewhere inside this range of folded lines,
2870 * may need to be redrawn */
2871 wp
->w_lines
[i
].wl_valid
= FALSE
;
2878 /* Call update_screen() later, which checks out what needs to be redrawn,
2879 * since it notices b_mod_set and then uses b_mod_*. */
2880 if (must_redraw
< VALID
)
2881 must_redraw
= VALID
;
2884 /* when the cursor line is changed always trigger CursorMoved */
2885 if (lnum
<= curwin
->w_cursor
.lnum
2886 && lnume
+ (xtra
< 0 ? -xtra
: xtra
) > curwin
->w_cursor
.lnum
)
2887 last_cursormoved
.lnum
= 0;
2892 * unchanged() is called when the changed flag must be reset for buffer 'buf'
2897 int ff
; /* also reset 'fileformat' */
2899 if (buf
->b_changed
|| (ff
&& file_ff_differs(buf
)))
2907 redraw_tabline
= TRUE
;
2910 need_maketitle
= TRUE
; /* set window title later */
2913 ++buf
->b_changedtick
;
2914 #ifdef FEAT_NETBEANS_INTG
2915 netbeans_unmodified(buf
);
2919 #if defined(FEAT_WINDOWS) || defined(PROTO)
2921 * check_status: called when the status bars for the buffer 'buf'
2922 * need to be updated
2930 for (wp
= firstwin
; wp
!= NULL
; wp
= wp
->w_next
)
2931 if (wp
->w_buffer
== buf
&& wp
->w_status_height
)
2933 wp
->w_redr_status
= TRUE
;
2934 if (must_redraw
< VALID
)
2935 must_redraw
= VALID
;
2941 * If the file is readonly, give a warning message with the first change.
2942 * Don't do this for autocommands.
2943 * Don't use emsg(), because it flushes the macro buffer.
2944 * If we have undone all changes b_changed will be FALSE, but "b_did_warn"
2949 int col
; /* column for message; non-zero when in insert
2950 mode and 'showmode' is on */
2952 if (curbuf
->b_did_warn
== FALSE
2953 && curbufIsChanged() == 0
2961 apply_autocmds(EVENT_FILECHANGEDRO
, NULL
, NULL
, FALSE
, curbuf
);
2963 if (!curbuf
->b_p_ro
)
2967 * Do what msg() does, but with a column offset if the warning should
2968 * be after the mode message.
2971 if (msg_row
== Rows
- 1)
2973 msg_source(hl_attr(HLF_W
));
2974 MSG_PUTS_ATTR(_("W10: Warning: Changing a readonly file"),
2975 hl_attr(HLF_W
) | MSG_HIST
);
2978 if (msg_silent
== 0 && !silent_mode
)
2981 ui_delay(1000L, TRUE
); /* give the user time to think about it */
2983 curbuf
->b_did_warn
= TRUE
;
2984 redraw_cmdline
= FALSE
; /* don't redraw and erase the message */
2985 if (msg_row
< Rows
- 1)
2991 * Ask for a reply from the user, a 'y' or a 'n'.
2992 * No other characters are accepted, the message is repeated until a valid
2993 * reply is entered or CTRL-C is hit.
2994 * If direct is TRUE, don't use vgetc() but ui_inchar(), don't get characters
2995 * from any buffers but directly from the user.
2997 * return the 'y' or 'n'
3000 ask_yesno(str
, direct
)
3005 int save_State
= State
;
3007 if (exiting
) /* put terminal in raw mode for this question */
3008 settmode(TMODE_RAW
);
3010 #ifdef USE_ON_FLY_SCROLL
3011 dont_scroll
= TRUE
; /* disallow scrolling here */
3013 State
= CONFIRM
; /* mouse behaves like with :confirm */
3015 setmouse(); /* disables mouse for xterm */
3018 ++allow_keys
; /* no mapping here, but recognize keys */
3020 while (r
!= 'y' && r
!= 'n')
3022 /* same highlighting as for wait_return */
3023 smsg_attr(hl_attr(HLF_R
), (char_u
*)"%s (y/n)?", str
);
3025 r
= get_keystroke();
3028 if (r
== Ctrl_C
|| r
== ESC
)
3030 msg_putchar(r
); /* show what you typed */
3045 * Get a key stroke directly from the user.
3046 * Ignores mouse clicks and scrollbar events, except a click for the left
3047 * button (used at the more prompt).
3048 * Doesn't use vgetc(), because it syncs undo and eats mapped characters.
3049 * Disadvantage: typeahead is ignored.
3050 * Translates the interrupt character for unix to ESC.
3056 char_u buf
[CBUFLEN
];
3059 int save_mapped_ctrl_c
= mapped_ctrl_c
;
3062 mapped_ctrl_c
= FALSE
; /* mappings are not used here */
3068 /* First time: blocking wait. Second time: wait up to 100ms for a
3069 * terminal code to complete. Leave some room for check_termcode() to
3070 * insert a key code into (max 5 chars plus NUL). And
3071 * fix_input_buffer() can triple the number of bytes. */
3072 n
= ui_inchar(buf
+ len
, (CBUFLEN
- 6 - len
) / 3,
3073 len
== 0 ? -1L : 100L, 0);
3076 /* Replace zero and CSI by a special key code. */
3077 n
= fix_input_buffer(buf
+ len
, n
, FALSE
);
3082 ++waited
; /* keep track of the waiting time */
3084 /* Incomplete termcode and not timed out yet: get more characters */
3085 if ((n
= check_termcode(1, buf
, len
)) < 0
3086 && (!p_ttimeout
|| waited
* 100L < (p_ttm
< 0 ? p_tm
: p_ttm
)))
3089 /* found a termcode: adjust length */
3092 if (len
== 0) /* nothing typed yet */
3095 /* Handle modifier and/or special key code. */
3099 n
= TO_SPECIAL(buf
[1], buf
[2]);
3100 if (buf
[1] == KS_MODIFIER
3103 || n
== K_LEFTMOUSE_NM
3105 || n
== K_LEFTRELEASE
3106 || n
== K_LEFTRELEASE_NM
3107 || n
== K_MIDDLEMOUSE
3108 || n
== K_MIDDLEDRAG
3109 || n
== K_MIDDLERELEASE
3110 || n
== K_RIGHTMOUSE
3112 || n
== K_RIGHTRELEASE
3122 || n
== K_VER_SCROLLBAR
3123 || n
== K_HOR_SCROLLBAR
3128 if (buf
[1] == KS_MODIFIER
)
3132 mch_memmove(buf
, buf
+ 3, (size_t)len
);
3140 if (MB_BYTE2LEN(n
) > len
)
3141 continue; /* more bytes to get */
3142 buf
[len
>= CBUFLEN
? CBUFLEN
- 1 : len
] = NUL
;
3143 n
= (*mb_ptr2char
)(buf
);
3153 mapped_ctrl_c
= save_mapped_ctrl_c
;
3158 * Get a number from the user.
3159 * When "mouse_used" is not NULL allow using the mouse.
3162 get_number(colon
, mouse_used
)
3163 int colon
; /* allow colon to abort */
3170 if (mouse_used
!= NULL
)
3171 *mouse_used
= FALSE
;
3173 /* When not printing messages, the user won't know what to type, return a
3174 * zero (as if CR was hit). */
3175 if (msg_silent
!= 0)
3178 #ifdef USE_ON_FLY_SCROLL
3179 dont_scroll
= TRUE
; /* disallow scrolling here */
3182 ++allow_keys
; /* no mapping here, but recognize keys */
3185 windgoto(msg_row
, msg_col
);
3189 n
= n
* 10 + c
- '0';
3193 else if (c
== K_DEL
|| c
== K_KDEL
|| c
== K_BS
|| c
== Ctrl_H
)
3203 else if (mouse_used
!= NULL
&& c
== K_LEFTMOUSE
)
3210 else if (n
== 0 && c
== ':' && colon
)
3212 stuffcharReadbuff(':');
3214 cmdline_row
= msg_row
;
3215 skip_redraw
= TRUE
; /* skip redraw once */
3219 else if (c
== CAR
|| c
== NL
|| c
== Ctrl_C
|| c
== ESC
)
3228 * Ask the user to enter a number.
3229 * When "mouse_used" is not NULL allow using the mouse and in that case return
3233 prompt_for_number(mouse_used
)
3237 int save_cmdline_row
;
3240 /* When using ":silent" assume that <CR> was entered. */
3241 if (mouse_used
!= NULL
)
3242 MSG_PUTS(_("Type number or click with mouse (<Enter> cancels): "));
3244 MSG_PUTS(_("Choice number (<Enter> cancels): "));
3246 /* Set the state such that text can be selected/copied/pasted and we still
3247 * get mouse events. */
3248 save_cmdline_row
= cmdline_row
;
3253 i
= get_number(TRUE
, mouse_used
);
3256 /* don't call wait_return() now */
3257 /* msg_putchar('\n'); */
3258 cmdline_row
= msg_row
- 1;
3259 need_wait_return
= FALSE
;
3263 cmdline_row
= save_cmdline_row
;
3275 if (global_busy
/* no messages now, wait until global is finished */
3276 || !messaging()) /* 'lazyredraw' set, don't do messages now */
3279 /* We don't want to overwrite another important message, but do overwrite
3280 * a previous "more lines" or "fewer lines" message, so that "5dd" and
3281 * then "put" reports the last action. */
3282 if (keep_msg
!= NULL
&& !keep_msg_more
)
3295 STRCPY(msg_buf
, _("1 more line"));
3297 STRCPY(msg_buf
, _("1 line less"));
3302 sprintf((char *)msg_buf
, _("%ld more lines"), pn
);
3304 sprintf((char *)msg_buf
, _("%ld fewer lines"), pn
);
3307 STRCAT(msg_buf
, _(" (Interrupted)"));
3310 set_keep_msg(msg_buf
, 0);
3311 keep_msg_more
= TRUE
;
3317 * flush map and typeahead buffers and give a warning for an error
3322 if (emsg_silent
== 0)
3324 flush_buffers(FALSE
);
3330 * give a warning for an error
3335 if (emsg_silent
== 0)
3339 /* While the GUI is starting up the termcap is set for the GUI
3340 * but the output still goes to a terminal. */
3341 && !(gui
.in_use
&& gui
.starting
)
3351 * The number of beeps outputted is reduced to avoid having to wait
3352 * for all the beeps to finish. This is only a problem on systems
3353 * where the beeps don't overlap.
3355 if (beep_count
== 0 || beep_count
== 10)
3367 /* When 'verbose' is set and we are sourcing a script or executing a
3368 * function give the user a hint where the beep comes from. */
3369 if (vim_strchr(p_debug
, 'e') != NULL
)
3371 msg_source(hl_attr(HLF_W
));
3372 msg_attr((char_u
*)_("Beep!"), hl_attr(HLF_W
));
3378 * To get the "real" home directory:
3379 * - get value of $HOME
3381 * - go to that directory
3382 * - do mch_dirname() to get the real name of that directory.
3383 * This also works with mounts and links.
3384 * Don't do this for MS-DOS, it will change the "current dir" for a drive.
3386 static char_u
*homedir
= NULL
;
3393 /* In case we are called a second time (when 'encoding' changes). */
3398 var
= mch_getenv((char_u
*)"SYS$LOGIN");
3400 var
= mch_getenv((char_u
*)"HOME");
3403 if (var
!= NULL
&& *var
== NUL
) /* empty is same as not set */
3408 * Weird but true: $HOME may contain an indirect reference to another
3409 * variable, esp. "%USERPROFILE%". Happens when $USERPROFILE isn't set
3410 * when $HOME is being set.
3412 if (var
!= NULL
&& *var
== '%')
3417 p
= vim_strchr(var
+ 1, '%');
3420 vim_strncpy(NameBuff
, var
+ 1, p
- (var
+ 1));
3421 exp
= mch_getenv(NameBuff
);
3422 if (exp
!= NULL
&& *exp
!= NUL
3423 && STRLEN(exp
) + STRLEN(p
) < MAXPATHL
)
3425 vim_snprintf((char *)NameBuff
, MAXPATHL
, "%s%s", exp
, p
+ 1);
3427 /* Also set $HOME, it's needed for _viminfo. */
3428 vim_setenv((char_u
*)"HOME", NameBuff
);
3434 * Typically, $HOME is not defined on Windows, unless the user has
3435 * specifically defined it for Vim's sake. However, on Windows NT
3436 * platforms, $HOMEDRIVE and $HOMEPATH are automatically defined for
3437 * each user. Try constructing $HOME from these.
3441 char_u
*homedrive
, *homepath
;
3443 homedrive
= mch_getenv((char_u
*)"HOMEDRIVE");
3444 homepath
= mch_getenv((char_u
*)"HOMEPATH");
3445 if (homedrive
!= NULL
&& homepath
!= NULL
3446 && STRLEN(homedrive
) + STRLEN(homepath
) < MAXPATHL
)
3448 sprintf((char *)NameBuff
, "%s%s", homedrive
, homepath
);
3449 if (NameBuff
[0] != NUL
)
3452 /* Also set $HOME, it's needed for _viminfo. */
3453 vim_setenv((char_u
*)"HOME", NameBuff
);
3458 # if defined(FEAT_MBYTE)
3459 if (enc_utf8
&& var
!= NULL
)
3464 /* Convert from active codepage to UTF-8. Other conversions are
3465 * not done, because they would fail for non-ASCII characters. */
3466 acp_to_enc(var
, (int)STRLEN(var
), &pp
, &len
);
3476 #if defined(OS2) || defined(MSDOS) || defined(MSWIN)
3478 * Default home dir is C:/
3479 * Best assumption we can make in such a situation.
3488 * Change to the directory and get the actual path. This resolves
3489 * links. Don't do it when we can't return.
3491 if (mch_dirname(NameBuff
, MAXPATHL
) == OK
3492 && mch_chdir((char *)NameBuff
) == 0)
3494 if (!mch_chdir((char *)var
) && mch_dirname(IObuff
, IOSIZE
) == OK
)
3496 if (mch_chdir((char *)NameBuff
) != 0)
3497 EMSG(_(e_prev_dir
));
3500 homedir
= vim_strsave(var
);
3504 #if defined(EXITFREE) || defined(PROTO)
3513 * Call expand_env() and store the result in an allocated string.
3514 * This is not very memory efficient, this expects the result to be freed
3518 expand_env_save(src
)
3521 return expand_env_save_opt(src
, FALSE
);
3525 * Idem, but when "one" is TRUE handle the string as one file name, only
3526 * expand "~" at the start.
3529 expand_env_save_opt(src
, one
)
3535 p
= alloc(MAXPATHL
);
3537 expand_env_esc(src
, p
, MAXPATHL
, FALSE
, one
, NULL
);
3542 * Expand environment variable with path name.
3543 * "~/" is also expanded, using $HOME. For Unix "~user/" is expanded.
3544 * Skips over "\ ", "\~" and "\$" (not for Win32 though).
3545 * If anything fails no expansion is done and dst equals src.
3548 expand_env(src
, dst
, dstlen
)
3549 char_u
*src
; /* input string e.g. "$HOME/vim.hlp" */
3550 char_u
*dst
; /* where to put the result */
3551 int dstlen
; /* maximum length of the result */
3553 expand_env_esc(src
, dst
, dstlen
, FALSE
, FALSE
, NULL
);
3557 expand_env_esc(srcp
, dst
, dstlen
, esc
, one
, startstr
)
3558 char_u
*srcp
; /* input string e.g. "$HOME/vim.hlp" */
3559 char_u
*dst
; /* where to put the result */
3560 int dstlen
; /* maximum length of the result */
3561 int esc
; /* escape spaces in expanded variables */
3562 int one
; /* "srcp" is one file name */
3563 char_u
*startstr
; /* start again after this (can be NULL) */
3570 int mustfree
; /* var was allocated, need to free it later */
3571 int at_start
= TRUE
; /* at start of a name */
3572 int startstr_len
= 0;
3574 if (startstr
!= NULL
)
3575 startstr_len
= (int)STRLEN(startstr
);
3577 src
= skipwhite(srcp
);
3578 --dstlen
; /* leave one char space for "\," */
3579 while (*src
&& dstlen
> 0)
3587 #if defined(MSDOS) || defined(MSWIN) || defined(OS2)
3590 || (*src
== '~' && at_start
))
3595 * The variable name is copied into dst temporarily, because it may
3596 * be a string in read-only memory and a NUL needs to be appended.
3598 if (*src
!= '~') /* environment var */
3605 /* Unix has ${var-name} type environment vars */
3606 if (*tail
== '{' && !vim_isIDc('{'))
3608 tail
++; /* ignore '{' */
3609 while (c
-- > 0 && *tail
&& *tail
!= '}')
3615 while (c
-- > 0 && *tail
!= NUL
&& ((vim_isIDc(*tail
))
3616 #if defined(MSDOS) || defined(MSWIN) || defined(OS2)
3617 || (*src
== '%' && *tail
!= '%')
3621 #ifdef OS2 /* env vars only in uppercase */
3622 *var
++ = TOUPPER_LOC(*tail
);
3623 tail
++; /* toupper() may be a macro! */
3630 #if defined(MSDOS) || defined(MSWIN) || defined(OS2) || defined(UNIX)
3632 if (src
[1] == '{' && *tail
!= '}')
3634 if (*src
== '%' && *tail
!= '%')
3647 var
= vim_getenv(dst
, &mustfree
);
3648 #if defined(MSDOS) || defined(MSWIN) || defined(OS2) || defined(UNIX)
3652 /* home directory */
3653 else if ( src
[1] == NUL
3654 || vim_ispathsep(src
[1])
3655 || vim_strchr((char_u
*)" ,\t\n", src
[1]) != NULL
)
3660 else /* user directory */
3662 #if defined(UNIX) || (defined(VMS) && defined(USER_HOME))
3664 * Copy ~user to dst[], so we can put a NUL after it.
3671 && vim_isfilec(*tail
)
3672 && !vim_ispathsep(*tail
))
3677 * If the system supports getpwnam(), use it.
3678 * Otherwise, or if getpwnam() fails, the shell is used to
3679 * expand ~user. This is slower and may fail if the shell
3680 * does not support ~user (old versions of /bin/sh).
3682 # if defined(HAVE_GETPWNAM) && defined(HAVE_PWD_H)
3686 /* Note: memory allocated by getpwnam() is never freed.
3687 * Calling endpwent() apparently doesn't help. */
3688 pw
= getpwnam((char *)dst
+ 1);
3690 var
= (char_u
*)pw
->pw_dir
;
3700 xpc
.xp_context
= EXPAND_FILES
;
3701 var
= ExpandOne(&xpc
, dst
, NULL
,
3702 WILD_ADD_SLASH
|WILD_SILENT
, WILD_EXPAND_FREE
);
3706 # else /* !UNIX, thus VMS */
3708 * USER_HOME is a comma-separated list of
3709 * directories to search for the user account in.
3712 char_u test
[MAXPATHL
], paths
[MAXPATHL
];
3713 char_u
*path
, *next_path
, *ptr
;
3716 STRCPY(paths
, USER_HOME
);
3720 for (path
= next_path
; *next_path
&& *next_path
!= ',';
3726 STRCAT(test
, dst
+ 1);
3727 if (mch_stat(test
, &st
) == 0)
3729 var
= alloc(STRLEN(test
) + 1);
3738 /* cannot expand user's home directory, so don't try */
3740 tail
= (char_u
*)""; /* for gcc */
3741 #endif /* UNIX || VMS */
3744 #ifdef BACKSLASH_IN_FILENAME
3745 /* If 'shellslash' is set change backslashes to forward slashes.
3746 * Can't use slash_adjust(), p_ssl may be set temporarily. */
3747 if (p_ssl
&& var
!= NULL
&& vim_strchr(var
, '\\') != NULL
)
3749 char_u
*p
= vim_strsave(var
);
3762 /* If "var" contains white space, escape it with a backslash.
3763 * Required for ":e ~/tt" when $HOME includes a space. */
3764 if (esc
&& var
!= NULL
&& vim_strpbrk(var
, (char_u
*)" \t") != NULL
)
3766 char_u
*p
= vim_strsave_escaped(var
, (char_u
*)" \t");
3777 if (var
!= NULL
&& *var
!= NUL
3778 && (STRLEN(var
) + STRLEN(tail
) + 1 < (unsigned)dstlen
))
3781 dstlen
-= (int)STRLEN(var
);
3782 c
= (int)STRLEN(var
);
3783 /* if var[] ends in a path separator and tail[] starts
3784 * with it, skip a character */
3785 if (*var
!= NUL
&& after_pathsep(dst
, dst
+ c
)
3786 #if defined(BACKSLASH_IN_FILENAME) || defined(AMIGA)
3789 && vim_ispathsep(*tail
))
3799 if (copy_char
) /* copy at least one char */
3802 * Recognize the start of a new name, for '~'.
3803 * Don't do this when "one" is TRUE, to avoid expanding "~" in
3804 * ":edit foo ~ foo".
3807 if (src
[0] == '\\' && src
[1] != NUL
)
3812 else if ((src
[0] == ' ' || src
[0] == ',') && !one
)
3817 if (startstr
!= NULL
&& src
- startstr_len
>= srcp
3818 && STRNCMP(src
- startstr_len
, startstr
, startstr_len
) == 0)
3826 * Vim's version of getenv().
3827 * Special handling of $HOME, $VIM and $VIMRUNTIME.
3828 * Also does ACP to 'enc' conversion for Win32.
3831 vim_getenv(name
, mustfree
)
3833 int *mustfree
; /* set to TRUE when returned is allocated */
3839 #if defined(OS2) || defined(MSDOS) || defined(MSWIN)
3840 /* use "C:/" when $HOME is not set */
3841 if (STRCMP(name
, "HOME") == 0)
3845 p
= mch_getenv(name
);
3846 if (p
!= NULL
&& *p
== NUL
) /* empty is the same as not set */
3851 #if defined(FEAT_MBYTE) && defined(WIN3264)
3857 /* Convert from active codepage to UTF-8. Other conversions are
3858 * not done, because they would fail for non-ASCII characters. */
3859 acp_to_enc(p
, (int)STRLEN(p
), &pp
, &len
);
3870 vimruntime
= (STRCMP(name
, "VIMRUNTIME") == 0);
3871 if (!vimruntime
&& STRCMP(name
, "VIM") != 0)
3875 * When expanding $VIMRUNTIME fails, try using $VIM/vim<version> or $VIM.
3876 * Don't do this when default_vimruntime_dir is non-empty.
3880 && *default_vimruntime_dir
== NUL
3884 p
= mch_getenv((char_u
*)"VIM");
3885 if (p
!= NULL
&& *p
== NUL
) /* empty is the same as not set */
3889 p
= vim_version_dir(p
);
3893 p
= mch_getenv((char_u
*)"VIM");
3895 #if defined(FEAT_MBYTE) && defined(WIN3264)
3901 /* Convert from active codepage to UTF-8. Other conversions
3902 * are not done, because they would fail for non-ASCII
3904 acp_to_enc(p
, (int)STRLEN(p
), &pp
, &len
);
3918 * When expanding $VIM or $VIMRUNTIME fails, try using:
3919 * - the directory name from 'helpfile' (unless it contains '$')
3920 * - the executable name from argv[0]
3924 if (p_hf
!= NULL
&& vim_strchr(p_hf
, '$') == NULL
)
3928 * Use the name of the executable, obtained from argv[0].
3935 /* remove the file name */
3938 /* remove "doc/" from 'helpfile', if present */
3940 pend
= remove_tail(p
, pend
, (char_u
*)"doc");
3944 /* remove "MacOS" from exe_name and add "Resources/vim" */
3950 pend1
= remove_tail(p
, pend
, (char_u
*)"MacOS");
3953 pnew
= alloc((unsigned)(pend1
- p
) + 15);
3956 STRNCPY(pnew
, p
, (pend1
- p
));
3957 STRCPY(pnew
+ (pend1
- p
), "Resources/vim");
3959 pend
= p
+ STRLEN(p
);
3964 /* remove "src/" from exe_name, if present */
3966 pend
= remove_tail(p
, pend
, (char_u
*)"src");
3969 /* for $VIM, remove "runtime/" or "vim54/", if present */
3972 pend
= remove_tail(p
, pend
, (char_u
*)RUNTIME_DIRNAME
);
3973 pend
= remove_tail(p
, pend
, (char_u
*)VIM_VERSION_NODOT
);
3976 /* remove trailing path separator */
3977 #ifndef MACOS_CLASSIC
3978 /* With MacOS path (with colons) the final colon is required */
3979 /* to avoid confusion between absoulute and relative path */
3980 if (pend
> p
&& after_pathsep(p
, pend
))
3985 if (p
== exe_name
|| p
== p_hf
)
3987 /* check that the result is a directory name */
3988 p
= vim_strnsave(p
, (int)(pend
- p
));
3990 if (p
!= NULL
&& !mch_isdir(p
))
3998 /* may add "/vim54" or "/runtime" if it exists */
3999 if (vimruntime
&& (pend
= vim_version_dir(p
)) != NULL
)
4011 /* When there is a pathdef.c file we can use default_vim_dir and
4012 * default_vimruntime_dir */
4015 /* Only use default_vimruntime_dir when it is not empty */
4016 if (vimruntime
&& *default_vimruntime_dir
!= NUL
)
4018 p
= default_vimruntime_dir
;
4021 else if (*default_vim_dir
!= NUL
)
4023 if (vimruntime
&& (p
= vim_version_dir(default_vim_dir
)) != NULL
)
4027 p
= default_vim_dir
;
4035 * Set the environment variable, so that the new value can be found fast
4036 * next time, and others can also use it (e.g. Perl).
4042 vim_setenv((char_u
*)"VIMRUNTIME", p
);
4043 didset_vimruntime
= TRUE
;
4046 char_u
*buf
= concat_str(p
, (char_u
*)"/lang");
4050 bindtextdomain(VIMPACKAGE
, (char *)buf
);
4058 vim_setenv((char_u
*)"VIM", p
);
4066 * Check if the directory "vimdir/<version>" or "vimdir/runtime" exists.
4067 * Return NULL if not, return its name in allocated memory otherwise.
4070 vim_version_dir(vimdir
)
4075 if (vimdir
== NULL
|| *vimdir
== NUL
)
4077 p
= concat_fnames(vimdir
, (char_u
*)VIM_VERSION_NODOT
, TRUE
);
4078 if (p
!= NULL
&& mch_isdir(p
))
4081 p
= concat_fnames(vimdir
, (char_u
*)RUNTIME_DIRNAME
, TRUE
);
4082 if (p
!= NULL
&& mch_isdir(p
))
4089 * If the string between "p" and "pend" ends in "name/", return "pend" minus
4090 * the length of "name/". Otherwise return "pend".
4093 remove_tail(p
, pend
, name
)
4098 int len
= (int)STRLEN(name
) + 1;
4099 char_u
*newend
= pend
- len
;
4102 && fnamencmp(newend
, name
, len
- 1) == 0
4103 && (newend
== p
|| after_pathsep(p
, newend
)))
4109 * Our portable version of setenv.
4112 vim_setenv(name
, val
)
4117 mch_setenv((char *)name
, (char *)val
, 1);
4122 * Putenv does not copy the string, it has to remain
4123 * valid. The allocated memory will never be freed.
4125 envbuf
= alloc((unsigned)(STRLEN(name
) + STRLEN(val
) + 2));
4128 sprintf((char *)envbuf
, "%s=%s", name
, val
);
4129 putenv((char *)envbuf
);
4134 #if defined(FEAT_CMDL_COMPL) || defined(PROTO)
4136 * Function given to ExpandGeneric() to obtain an environment variable name.
4140 get_env_name(xp
, idx
)
4144 # if defined(AMIGA) || defined(__MRC__) || defined(__SC__)
4146 * No environ[] on the Amiga and on the Mac (using MPW).
4151 /* Borland C++ 5.2 has this in a header file. */
4152 extern char **environ
;
4154 # define ENVNAMELEN 100
4155 static char_u name
[ENVNAMELEN
];
4159 str
= (char_u
*)environ
[idx
];
4163 for (n
= 0; n
< ENVNAMELEN
- 1; ++n
)
4165 if (str
[n
] == '=' || str
[n
] == NUL
)
4176 * Replace home directory by "~" in each space or comma separated file name in
4178 * If anything fails (except when out of space) dst equals src.
4181 home_replace(buf
, src
, dst
, dstlen
, one
)
4182 buf_T
*buf
; /* when not NULL, check for help files */
4183 char_u
*src
; /* input file name */
4184 char_u
*dst
; /* where to put the result */
4185 int dstlen
; /* maximum length of the result */
4186 int one
; /* if TRUE, only replace one file name, include
4187 spaces and commas in the file name. */
4189 size_t dirlen
= 0, envlen
= 0;
4191 char_u
*homedir_env
;
4201 * If the file is a help file, remove the path completely.
4203 if (buf
!= NULL
&& buf
->b_help
)
4205 STRCPY(dst
, gettail(src
));
4210 * We check both the value of the $HOME environment variable and the
4211 * "real" home directory.
4213 if (homedir
!= NULL
)
4214 dirlen
= STRLEN(homedir
);
4217 homedir_env
= mch_getenv((char_u
*)"SYS$LOGIN");
4219 homedir_env
= mch_getenv((char_u
*)"HOME");
4222 if (homedir_env
!= NULL
&& *homedir_env
== NUL
)
4224 if (homedir_env
!= NULL
)
4225 envlen
= STRLEN(homedir_env
);
4228 src
= skipwhite(src
);
4229 while (*src
&& dstlen
> 0)
4232 * Here we are at the beginning of a file name.
4233 * First, check to see if the beginning of the file name matches
4234 * $HOME or the "real" home directory. Check that there is a '/'
4235 * after the match (so that if e.g. the file is "/home/pieter/bla",
4236 * and the home directory is "/home/piet", the file does not end up
4237 * as "~er/bla" (which would seem to indicate the file "bla" in user
4238 * er's home directory)).
4245 && fnamencmp(src
, p
, len
) == 0
4246 && (vim_ispathsep(src
[len
])
4247 || (!one
&& (src
[len
] == ',' || src
[len
] == ' '))
4248 || src
[len
] == NUL
))
4255 * If it's just the home directory, add "/".
4257 if (!vim_ispathsep(src
[0]) && --dstlen
> 0)
4261 if (p
== homedir_env
)
4267 /* if (!one) skip to separator: space or comma */
4268 while (*src
&& (one
|| (*src
!= ',' && *src
!= ' ')) && --dstlen
> 0)
4270 /* skip separator */
4271 while ((*src
== ' ' || *src
== ',') && --dstlen
> 0)
4274 /* if (dstlen == 0) out of space, what to do??? */
4280 * Like home_replace, store the replaced string in allocated memory.
4281 * When something fails, NULL is returned.
4284 home_replace_save(buf
, src
)
4285 buf_T
*buf
; /* when not NULL, check for help files */
4286 char_u
*src
; /* input file name */
4291 len
= 3; /* space for "~/" and trailing NUL */
4292 if (src
!= NULL
) /* just in case */
4293 len
+= (unsigned)STRLEN(src
);
4296 home_replace(buf
, src
, dst
, len
, TRUE
);
4301 * Compare two file names and return:
4302 * FPC_SAME if they both exist and are the same file.
4303 * FPC_SAMEX if they both don't exist and have the same file name.
4304 * FPC_DIFF if they both exist and are different files.
4305 * FPC_NOTX if they both don't exist.
4306 * FPC_DIFFX if one of them doesn't exist.
4307 * For the first name environment variables are expanded
4310 fullpathcmp(s1
, s2
, checkname
)
4312 int checkname
; /* when both don't exist, check file names */
4315 char_u exp1
[MAXPATHL
];
4316 char_u full1
[MAXPATHL
];
4317 char_u full2
[MAXPATHL
];
4318 struct stat st1
, st2
;
4321 expand_env(s1
, exp1
, MAXPATHL
);
4322 r1
= mch_stat((char *)exp1
, &st1
);
4323 r2
= mch_stat((char *)s2
, &st2
);
4324 if (r1
!= 0 && r2
!= 0)
4326 /* if mch_stat() doesn't work, may compare the names */
4329 if (fnamecmp(exp1
, s2
) == 0)
4331 r1
= vim_FullName(exp1
, full1
, MAXPATHL
, FALSE
);
4332 r2
= vim_FullName(s2
, full2
, MAXPATHL
, FALSE
);
4333 if (r1
== OK
&& r2
== OK
&& fnamecmp(full1
, full2
) == 0)
4338 if (r1
!= 0 || r2
!= 0)
4340 if (st1
.st_dev
== st2
.st_dev
&& st1
.st_ino
== st2
.st_ino
)
4344 char_u
*exp1
; /* expanded s1 */
4345 char_u
*full1
; /* full path of s1 */
4346 char_u
*full2
; /* full path of s2 */
4347 int retval
= FPC_DIFF
;
4350 /* allocate one buffer to store three paths (alloc()/free() is slow!) */
4351 if ((exp1
= alloc(MAXPATHL
* 3)) != NULL
)
4353 full1
= exp1
+ MAXPATHL
;
4354 full2
= full1
+ MAXPATHL
;
4356 expand_env(s1
, exp1
, MAXPATHL
);
4357 r1
= vim_FullName(exp1
, full1
, MAXPATHL
, FALSE
);
4358 r2
= vim_FullName(s2
, full2
, MAXPATHL
, FALSE
);
4360 /* If vim_FullName() fails, the file probably doesn't exist. */
4361 if (r1
!= OK
&& r2
!= OK
)
4363 if (checkname
&& fnamecmp(exp1
, s2
) == 0)
4368 else if (r1
!= OK
|| r2
!= OK
)
4370 else if (fnamecmp(full1
, full2
))
4381 * Get the tail of a path: the file name.
4382 * Fail safe: never returns NULL.
4391 return (char_u
*)"";
4392 for (p1
= p2
= fname
; *p2
; ) /* find last part of path */
4394 if (vim_ispathsep(*p2
))
4402 * Get pointer to tail of "fname", including path separators. Putting a NUL
4403 * here leaves the directory name. Takes care of "c:/" and "//".
4404 * Always returns a valid pointer.
4413 p
= get_past_head(fname
); /* don't remove the '/' from "c:/file" */
4415 while (t
> p
&& after_pathsep(fname
, t
))
4418 /* path separator is part of the path */
4425 * get the next path component (just after the next path separator).
4431 while (*fname
&& !vim_ispathsep(*fname
))
4439 * Get a pointer to one character past the head of a path name.
4440 * Unix: after "/"; DOS: after "c:\"; Amiga: after "disk:/"; Mac: no head.
4441 * If there is no head, path is returned.
4449 #if defined(MSDOS) || defined(MSWIN) || defined(OS2)
4451 if (isalpha(path
[0]) && path
[1] == ':')
4457 /* may skip "label:" */
4458 retval
= vim_strchr(path
, ':');
4466 while (vim_ispathsep(*retval
))
4473 * return TRUE if 'c' is a path separator.
4480 return (c
== '.' || c
== ':');
4483 return (c
== '/'); /* UNIX has ':' inside file names */
4485 # ifdef BACKSLASH_IN_FILENAME
4486 return (c
== ':' || c
== '/' || c
== '\\');
4489 /* server"user passwd"::device:[full.path.name]fname.extension;version" */
4490 return (c
== ':' || c
== '[' || c
== ']' || c
== '/'
4491 || c
== '<' || c
== '>' || c
== '"' );
4493 return (c
== ':' || c
== '/');
4497 #endif /* RISC OS */
4500 #if defined(FEAT_SEARCHPATH) || defined(PROTO)
4502 * return TRUE if 'c' is a path list separator.
4505 vim_ispathlistsep(c
)
4511 return (c
== ';'); /* might not be right for every system... */
4516 #if defined(FEAT_GUI_TABLINE) || defined(FEAT_WINDOWS) \
4517 || defined(FEAT_EVAL) || defined(PROTO)
4519 * Shorten the path of a file from "~/foo/../.bar/fname" to "~/f/../.b/fname"
4520 * It's done in-place.
4526 char_u
*tail
, *s
, *d
;
4529 tail
= gettail(str
);
4531 for (s
= str
; ; ++s
)
4533 if (s
>= tail
) /* copy the whole tail */
4539 else if (vim_ispathsep(*s
)) /* copy '/' and next char */
4546 *d
++ = *s
; /* copy next char */
4547 if (*s
!= '~' && *s
!= '.') /* and leading "~" and "." */
4552 int l
= mb_ptr2len(s
);
4564 * Return TRUE if the directory of "fname" exists, FALSE otherwise.
4565 * Also returns TRUE if there is no directory name.
4566 * "fname" must be writable!.
4569 dir_of_file_exists(fname
)
4576 p
= gettail_sep(fname
);
4581 retval
= mch_isdir(fname
);
4586 #if (defined(CASE_INSENSITIVE_FILENAME) && defined(BACKSLASH_IN_FILENAME)) \
4589 * Versions of fnamecmp() and fnamencmp() that handle '/' and '\' equally.
4595 return vim_fnamencmp(x
, y
, MAXPATHL
);
4599 vim_fnamencmp(x
, y
, len
)
4603 while (len
> 0 && *x
&& *y
)
4605 if (TOLOWER_LOC(*x
) != TOLOWER_LOC(*y
)
4606 && !(*x
== '/' && *y
== '\\')
4607 && !(*x
== '\\' && *y
== '/'))
4620 * Concatenate file names fname1 and fname2 into allocated memory.
4621 * Only add a '/' or '\\' when 'sep' is TRUE and it is necessary.
4624 concat_fnames(fname1
, fname2
, sep
)
4631 dest
= alloc((unsigned)(STRLEN(fname1
) + STRLEN(fname2
) + 3));
4634 STRCPY(dest
, fname1
);
4637 STRCAT(dest
, fname2
);
4642 #if defined(FEAT_EVAL) || defined(FEAT_GETTEXT) || defined(PROTO)
4644 * Concatenate two strings and return the result in allocated memory.
4645 * Returns NULL when out of memory.
4648 concat_str(str1
, str2
)
4653 size_t l
= STRLEN(str1
);
4655 dest
= alloc((unsigned)(l
+ STRLEN(str2
) + 1L));
4659 STRCPY(dest
+ l
, str2
);
4666 * Add a path separator to a file name, unless it already ends in a path
4673 if (*p
!= NUL
&& !after_pathsep(p
, p
+ STRLEN(p
)))
4674 STRCAT(p
, PATHSEPSTR
);
4678 * FullName_save - Make an allocated copy of a full file name.
4679 * Returns NULL when out of memory.
4682 FullName_save(fname
, force
)
4684 int force
; /* force expansion, even when it already looks
4685 like a full path name */
4688 char_u
*new_fname
= NULL
;
4693 buf
= alloc((unsigned)MAXPATHL
);
4696 if (vim_FullName(fname
, buf
, MAXPATHL
, force
) != FAIL
)
4697 new_fname
= vim_strsave(buf
);
4699 new_fname
= vim_strsave(fname
);
4705 #if defined(FEAT_CINDENT) || defined(FEAT_SYN_HL)
4707 static char_u
*skip_string
__ARGS((char_u
*p
));
4710 * Find the start of a comment, not knowing if we are in a comment right now.
4711 * Search starts at w_cursor.lnum and goes backwards.
4714 find_start_comment(ind_maxcomment
) /* XXX */
4720 int cur_maxcomment
= ind_maxcomment
;
4724 pos
= findmatchlimit(NULL
, '*', FM_BACKWARD
, cur_maxcomment
);
4729 * Check if the comment start we found is inside a string.
4730 * If it is then restrict the search to below this line and try again.
4732 line
= ml_get(pos
->lnum
);
4733 for (p
= line
; *p
&& (unsigned)(p
- line
) < pos
->col
; ++p
)
4735 if ((unsigned)(p
- line
) <= pos
->col
)
4737 cur_maxcomment
= curwin
->w_cursor
.lnum
- pos
->lnum
- 1;
4738 if (cur_maxcomment
<= 0)
4748 * Skip to the end of a "string" and a 'c' character.
4749 * If there is no string or character, return argument unmodified.
4758 * We loop, because strings may be concatenated: "date""time".
4762 if (p
[0] == '\'') /* 'c' or '\n' or '\000' */
4764 if (!p
[1]) /* ' at end of line */
4767 if (p
[1] == '\\') /* '\n' or '\000' */
4770 while (vim_isdigit(p
[i
- 1])) /* '\000' */
4773 if (p
[i
] == '\'') /* check for trailing ' */
4779 else if (p
[0] == '"') /* start of string */
4781 for (++p
; p
[0]; ++p
)
4783 if (p
[0] == '\\' && p
[1] != NUL
)
4785 else if (p
[0] == '"') /* end of string */
4791 break; /* no string found */
4794 --p
; /* backup from NUL */
4797 #endif /* FEAT_CINDENT || FEAT_SYN_HL */
4799 #if defined(FEAT_CINDENT) || defined(PROTO)
4802 * Do C or expression indenting on the current line.
4808 if (*curbuf
->b_p_inde
!= NUL
)
4809 fixthisline(get_expr_indent
);
4812 fixthisline(get_c_indent
);
4816 * Functions for C-indenting.
4817 * Most of this originally comes from Eric Fischer.
4820 * Below "XXX" means that this function may unlock the current line.
4823 static char_u
*cin_skipcomment
__ARGS((char_u
*));
4824 static int cin_nocode
__ARGS((char_u
*));
4825 static pos_T
*find_line_comment
__ARGS((void));
4826 static int cin_islabel_skip
__ARGS((char_u
**));
4827 static int cin_isdefault
__ARGS((char_u
*));
4828 static char_u
*after_label
__ARGS((char_u
*l
));
4829 static int get_indent_nolabel
__ARGS((linenr_T lnum
));
4830 static int skip_label
__ARGS((linenr_T
, char_u
**pp
, int ind_maxcomment
));
4831 static int cin_first_id_amount
__ARGS((void));
4832 static int cin_get_equal_amount
__ARGS((linenr_T lnum
));
4833 static int cin_ispreproc
__ARGS((char_u
*));
4834 static int cin_ispreproc_cont
__ARGS((char_u
**pp
, linenr_T
*lnump
));
4835 static int cin_iscomment
__ARGS((char_u
*));
4836 static int cin_islinecomment
__ARGS((char_u
*));
4837 static int cin_isterminated
__ARGS((char_u
*, int, int));
4838 static int cin_isinit
__ARGS((void));
4839 static int cin_isfuncdecl
__ARGS((char_u
**, linenr_T
));
4840 static int cin_isif
__ARGS((char_u
*));
4841 static int cin_iselse
__ARGS((char_u
*));
4842 static int cin_isdo
__ARGS((char_u
*));
4843 static int cin_iswhileofdo
__ARGS((char_u
*, linenr_T
, int));
4844 static int cin_iswhileofdo_end
__ARGS((int terminated
, int ind_maxparen
, int ind_maxcomment
));
4845 static int cin_isbreak
__ARGS((char_u
*));
4846 static int cin_is_cpp_baseclass
__ARGS((colnr_T
*col
));
4847 static int get_baseclass_amount
__ARGS((int col
, int ind_maxparen
, int ind_maxcomment
, int ind_cpp_baseclass
));
4848 static int cin_ends_in
__ARGS((char_u
*, char_u
*, char_u
*));
4849 static int cin_skip2pos
__ARGS((pos_T
*trypos
));
4850 static pos_T
*find_start_brace
__ARGS((int));
4851 static pos_T
*find_match_paren
__ARGS((int, int));
4852 static int corr_ind_maxparen
__ARGS((int ind_maxparen
, pos_T
*startpos
));
4853 static int find_last_paren
__ARGS((char_u
*l
, int start
, int end
));
4854 static int find_match
__ARGS((int lookfor
, linenr_T ourscope
, int ind_maxparen
, int ind_maxcomment
));
4856 static int ind_hash_comment
= 0; /* # starts a comment */
4859 * Skip over white space and C comments within the line.
4860 * Also skip over Perl/shell comments if desired.
4872 /* Perl/shell # comment comment continues until eol. Require a space
4873 * before # to avoid recognizing $#array. */
4874 if (ind_hash_comment
!= 0 && s
!= prev_s
&& *s
== '#')
4882 if (*s
== '/') /* slash-slash comment continues till eol */
4889 for (++s
; *s
; ++s
) /* skip slash-star comment */
4890 if (s
[0] == '*' && s
[1] == '/')
4900 * Return TRUE if there there is no code at *s. White space and comments are
4901 * not considered code.
4907 return *cin_skipcomment(s
) == NUL
;
4911 * Check previous lines for a "//" line comment, skipping over blank lines.
4914 find_line_comment() /* XXX */
4920 pos
= curwin
->w_cursor
;
4921 while (--pos
.lnum
> 0)
4923 line
= ml_get(pos
.lnum
);
4924 p
= skipwhite(line
);
4925 if (cin_islinecomment(p
))
4927 pos
.col
= (int)(p
- line
);
4937 * Check if string matches "label:"; move to character after ':' if true.
4943 if (!vim_isIDc(**s
)) /* need at least one ID character */
4946 while (vim_isIDc(**s
))
4949 *s
= cin_skipcomment(*s
);
4951 /* "::" is not a label, it's C++ */
4952 return (**s
== ':' && *++*s
!= ':');
4956 * Recognize a label: "label:".
4957 * Note: curwin->w_cursor must be where we are looking for the label.
4960 cin_islabel(ind_maxcomment
) /* XXX */
4965 s
= cin_skipcomment(ml_get_curline());
4968 * Exclude "default" from labels, since it should be indented
4969 * like a switch label. Same for C++ scope declarations.
4971 if (cin_isdefault(s
))
4973 if (cin_isscopedecl(s
))
4976 if (cin_islabel_skip(&s
))
4979 * Only accept a label if the previous line is terminated or is a case
4986 cursor_save
= curwin
->w_cursor
;
4987 while (curwin
->w_cursor
.lnum
> 1)
4989 --curwin
->w_cursor
.lnum
;
4992 * If we're in a comment now, skip to the start of the comment.
4994 curwin
->w_cursor
.col
= 0;
4995 if ((trypos
= find_start_comment(ind_maxcomment
)) != NULL
) /* XXX */
4996 curwin
->w_cursor
= *trypos
;
4998 line
= ml_get_curline();
4999 if (cin_ispreproc(line
)) /* ignore #defines, #if, etc. */
5001 if (*(line
= cin_skipcomment(line
)) == NUL
)
5004 curwin
->w_cursor
= cursor_save
;
5005 if (cin_isterminated(line
, TRUE
, FALSE
)
5006 || cin_isscopedecl(line
)
5008 || (cin_islabel_skip(&line
) && cin_nocode(line
)))
5012 curwin
->w_cursor
= cursor_save
;
5013 return TRUE
; /* label at start of file??? */
5019 * Recognize structure initialization and enumerations.
5020 * Q&D-Implementation:
5021 * check for "=" at end or "[typedef] enum" at beginning of line.
5028 s
= cin_skipcomment(ml_get_curline());
5030 if (STRNCMP(s
, "typedef", 7) == 0 && !vim_isIDc(s
[7]))
5031 s
= cin_skipcomment(s
+ 7);
5033 if (STRNCMP(s
, "enum", 4) == 0 && !vim_isIDc(s
[4]))
5036 if (cin_ends_in(s
, (char_u
*)"=", (char_u
*)"{"))
5043 * Recognize a switch label: "case .*:" or "default:".
5049 s
= cin_skipcomment(s
);
5050 if (STRNCMP(s
, "case", 4) == 0 && !vim_isIDc(s
[4]))
5052 for (s
+= 4; *s
; ++s
)
5054 s
= cin_skipcomment(s
);
5057 if (s
[1] == ':') /* skip over "::" for C++ */
5062 if (*s
== '\'' && s
[1] && s
[2] == '\'')
5063 s
+= 2; /* skip over '.' */
5064 else if (*s
== '/' && (s
[1] == '*' || s
[1] == '/'))
5065 return FALSE
; /* stop at comment */
5067 return FALSE
; /* stop at string */
5072 if (cin_isdefault(s
))
5078 * Recognize a "default" switch label.
5084 return (STRNCMP(s
, "default", 7) == 0
5085 && *(s
= cin_skipcomment(s
+ 7)) == ':'
5090 * Recognize a "public/private/proctected" scope declaration label.
5098 s
= cin_skipcomment(s
);
5099 if (STRNCMP(s
, "public", 6) == 0)
5101 else if (STRNCMP(s
, "protected", 9) == 0)
5103 else if (STRNCMP(s
, "private", 7) == 0)
5107 return (*(s
= cin_skipcomment(s
+ i
)) == ':' && s
[1] != ':');
5111 * Return a pointer to the first non-empty non-comment character after a ':'.
5112 * Return NULL if not found.
5124 if (l
[1] == ':') /* skip over "::" for C++ */
5126 else if (!cin_iscase(l
+ 1))
5129 else if (*l
== '\'' && l
[1] && l
[2] == '\'')
5130 l
+= 2; /* skip over 'x' */
5134 l
= cin_skipcomment(l
+ 1);
5141 * Get indent of line "lnum", skipping a label.
5142 * Return 0 if there is nothing after the label.
5145 get_indent_nolabel(lnum
) /* XXX */
5158 fp
.col
= (colnr_T
)(p
- l
);
5160 getvcol(curwin
, &fp
, &col
, NULL
, NULL
);
5165 * Find indent for line "lnum", ignoring any case or jump label.
5166 * Also return a pointer to the text (after the label) in "pp".
5167 * label: if (asdf && asdfasdf)
5171 skip_label(lnum
, pp
, ind_maxcomment
)
5180 cursor_save
= curwin
->w_cursor
;
5181 curwin
->w_cursor
.lnum
= lnum
;
5182 l
= ml_get_curline();
5184 if (cin_iscase(l
) || cin_isscopedecl(l
) || cin_islabel(ind_maxcomment
))
5186 amount
= get_indent_nolabel(lnum
);
5187 l
= after_label(ml_get_curline());
5188 if (l
== NULL
) /* just in case */
5189 l
= ml_get_curline();
5193 amount
= get_indent();
5194 l
= ml_get_curline();
5198 curwin
->w_cursor
= cursor_save
;
5203 * Return the indent of the first variable name after a type in a declaration.
5204 * int a, indent of "a"
5205 * static struct foo b, indent of "b"
5206 * enum bla c, indent of "c"
5207 * Returns zero when it doesn't look like a declaration.
5210 cin_first_id_amount()
5212 char_u
*line
, *p
, *s
;
5217 line
= ml_get_curline();
5218 p
= skipwhite(line
);
5219 len
= (int)(skiptowhite(p
) - p
);
5220 if (len
== 6 && STRNCMP(p
, "static", 6) == 0)
5222 p
= skipwhite(p
+ 6);
5223 len
= (int)(skiptowhite(p
) - p
);
5225 if (len
== 6 && STRNCMP(p
, "struct", 6) == 0)
5226 p
= skipwhite(p
+ 6);
5227 else if (len
== 4 && STRNCMP(p
, "enum", 4) == 0)
5228 p
= skipwhite(p
+ 4);
5229 else if ((len
== 8 && STRNCMP(p
, "unsigned", 8) == 0)
5230 || (len
== 6 && STRNCMP(p
, "signed", 6) == 0))
5232 s
= skipwhite(p
+ len
);
5233 if ((STRNCMP(s
, "int", 3) == 0 && vim_iswhite(s
[3]))
5234 || (STRNCMP(s
, "long", 4) == 0 && vim_iswhite(s
[4]))
5235 || (STRNCMP(s
, "short", 5) == 0 && vim_iswhite(s
[5]))
5236 || (STRNCMP(s
, "char", 4) == 0 && vim_iswhite(s
[4])))
5239 for (len
= 0; vim_isIDc(p
[len
]); ++len
)
5241 if (len
== 0 || !vim_iswhite(p
[len
]) || cin_nocode(p
))
5244 p
= skipwhite(p
+ len
);
5245 fp
.lnum
= curwin
->w_cursor
.lnum
;
5246 fp
.col
= (colnr_T
)(p
- line
);
5247 getvcol(curwin
, &fp
, &col
, NULL
, NULL
);
5252 * Return the indent of the first non-blank after an equal sign.
5253 * char *foo = "here";
5254 * Return zero if no (useful) equal sign found.
5255 * Return -1 if the line above "lnum" ends in a backslash.
5261 cin_get_equal_amount(lnum
)
5271 line
= ml_get(lnum
- 1);
5272 if (*line
!= NUL
&& line
[STRLEN(line
) - 1] == '\\')
5276 line
= s
= ml_get(lnum
);
5277 while (*s
!= NUL
&& vim_strchr((char_u
*)"=;{}\"'", *s
) == NULL
)
5279 if (cin_iscomment(s
)) /* ignore comments */
5280 s
= cin_skipcomment(s
);
5287 s
= skipwhite(s
+ 1);
5291 if (*s
== '"') /* nice alignment for continued strings */
5295 fp
.col
= (colnr_T
)(s
- line
);
5296 getvcol(curwin
, &fp
, &col
, NULL
, NULL
);
5301 * Recognize a preprocessor statement: Any line that starts with '#'.
5314 * Return TRUE if line "*pp" at "*lnump" is a preprocessor statement or a
5315 * continuation line of a preprocessor statement. Decrease "*lnump" to the
5316 * start and return the line in "*pp".
5319 cin_ispreproc_cont(pp
, lnump
)
5324 linenr_T lnum
= *lnump
;
5329 if (cin_ispreproc(line
))
5337 line
= ml_get(--lnum
);
5338 if (*line
== NUL
|| line
[STRLEN(line
) - 1] != '\\')
5343 *pp
= ml_get(*lnump
);
5348 * Recognize the start of a C or C++ comment.
5354 return (p
[0] == '/' && (p
[1] == '*' || p
[1] == '/'));
5358 * Recognize the start of a "//" comment.
5361 cin_islinecomment(p
)
5364 return (p
[0] == '/' && p
[1] == '/');
5368 * Recognize a line that starts with '{' or '}', or ends with ';', '{' or '}'.
5369 * Don't consider "} else" a terminated line.
5370 * Return the character terminating the line (ending char's have precedence if
5371 * both apply in order to determine initializations).
5374 cin_isterminated(s
, incl_open
, incl_comma
)
5376 int incl_open
; /* include '{' at the end as terminator */
5377 int incl_comma
; /* recognize a trailing comma */
5379 char_u found_start
= 0;
5381 s
= cin_skipcomment(s
);
5383 if (*s
== '{' || (*s
== '}' && !cin_iselse(s
)))
5388 /* skip over comments, "" strings and 'c'haracters */
5389 s
= skip_string(cin_skipcomment(s
));
5390 if ((*s
== ';' || (incl_open
&& *s
== '{') || *s
== '}'
5391 || (incl_comma
&& *s
== ','))
5392 && cin_nocode(s
+ 1))
5402 * Recognize the basic picture of a function declaration -- it needs to
5403 * have an open paren somewhere and a close paren at the end of the line and
5404 * no semicolons anywhere.
5405 * When a line ends in a comma we continue looking in the next line.
5406 * "sp" points to a string with the line. When looking at other lines it must
5407 * be restored to the line. When it's NULL fetch lines here.
5408 * "lnum" is where we start looking.
5411 cin_isfuncdecl(sp
, first_lnum
)
5413 linenr_T first_lnum
;
5416 linenr_T lnum
= first_lnum
;
5424 while (*s
&& *s
!= '(' && *s
!= ';' && *s
!= '\'' && *s
!= '"')
5426 if (cin_iscomment(s
)) /* ignore comments */
5427 s
= cin_skipcomment(s
);
5432 return FALSE
; /* ';', ' or " before any () or no '(' */
5434 while (*s
&& *s
!= ';' && *s
!= '\'' && *s
!= '"')
5436 if (*s
== ')' && cin_nocode(s
+ 1))
5438 /* ')' at the end: may have found a match
5439 * Check for he previous line not to end in a backslash:
5440 * #if defined(x) && \
5443 lnum
= first_lnum
- 1;
5445 if (*s
== NUL
|| s
[STRLEN(s
) - 1] != '\\')
5449 if (*s
== ',' && cin_nocode(s
+ 1))
5451 /* ',' at the end: continue looking in the next line */
5452 if (lnum
>= curbuf
->b_ml
.ml_line_count
)
5457 else if (cin_iscomment(s
)) /* ignore comments */
5458 s
= cin_skipcomment(s
);
5464 if (lnum
!= first_lnum
&& sp
!= NULL
)
5465 *sp
= ml_get(first_lnum
);
5474 return (STRNCMP(p
, "if", 2) == 0 && !vim_isIDc(p
[2]));
5481 if (*p
== '}') /* accept "} else" */
5482 p
= cin_skipcomment(p
+ 1);
5483 return (STRNCMP(p
, "else", 4) == 0 && !vim_isIDc(p
[4]));
5490 return (STRNCMP(p
, "do", 2) == 0 && !vim_isIDc(p
[2]));
5494 * Check if this is a "while" that should have a matching "do".
5495 * We only accept a "while (condition) ;", with only white space between the
5496 * ')' and ';'. The condition may be spread over several lines.
5499 cin_iswhileofdo(p
, lnum
, ind_maxparen
) /* XXX */
5508 p
= cin_skipcomment(p
);
5509 if (*p
== '}') /* accept "} while (cond);" */
5510 p
= cin_skipcomment(p
+ 1);
5511 if (STRNCMP(p
, "while", 5) == 0 && !vim_isIDc(p
[5]))
5513 cursor_save
= curwin
->w_cursor
;
5514 curwin
->w_cursor
.lnum
= lnum
;
5515 curwin
->w_cursor
.col
= 0;
5516 p
= ml_get_curline();
5517 while (*p
&& *p
!= 'w') /* skip any '}', until the 'w' of the "while" */
5520 ++curwin
->w_cursor
.col
;
5522 if ((trypos
= findmatchlimit(NULL
, 0, 0, ind_maxparen
)) != NULL
5523 && *cin_skipcomment(ml_get_pos(trypos
) + 1) == ';')
5525 curwin
->w_cursor
= cursor_save
;
5531 * Return TRUE if we are at the end of a do-while.
5536 * Adjust the cursor to the line with "while".
5539 cin_iswhileofdo_end(terminated
, ind_maxparen
, ind_maxcomment
)
5550 if (terminated
!= ';') /* there must be a ';' at the end */
5553 p
= line
= ml_get_curline();
5556 p
= cin_skipcomment(p
);
5559 s
= skipwhite(p
+ 1);
5560 if (*s
== ';' && cin_nocode(s
+ 1))
5562 /* Found ");" at end of the line, now check there is "while"
5563 * before the matching '('. XXX */
5564 i
= (int)(p
- line
);
5565 curwin
->w_cursor
.col
= i
;
5566 trypos
= find_match_paren(ind_maxparen
, ind_maxcomment
);
5569 s
= cin_skipcomment(ml_get(trypos
->lnum
));
5570 if (*s
== '}') /* accept "} while (cond);" */
5571 s
= cin_skipcomment(s
+ 1);
5572 if (STRNCMP(s
, "while", 5) == 0 && !vim_isIDc(s
[5]))
5574 curwin
->w_cursor
.lnum
= trypos
->lnum
;
5579 /* Searching may have made "line" invalid, get it again. */
5580 line
= ml_get_curline();
5594 return (STRNCMP(p
, "break", 5) == 0 && !vim_isIDc(p
[5]));
5598 * Find the position of a C++ base-class declaration or
5599 * constructor-initialization. eg:
5602 * baseClass <-- here
5603 * class MyClass : public baseClass,
5604 * anotherBaseClass <-- here (should probably lineup ??)
5605 * MyClass::MyClass(...) :
5606 * baseClass(...) <-- here (constructor-initialization)
5608 * This is a lot of guessing. Watch out for "cond ? func() : foo".
5611 cin_is_cpp_baseclass(col
)
5612 colnr_T
*col
; /* return: column to align with */
5615 int class_or_struct
, lookfor_ctor_init
, cpp_base_class
;
5616 linenr_T lnum
= curwin
->w_cursor
.lnum
;
5617 char_u
*line
= ml_get_curline();
5621 s
= skipwhite(line
);
5622 if (*s
== '#') /* skip #define FOO x ? (x) : x */
5624 s
= cin_skipcomment(s
);
5628 cpp_base_class
= lookfor_ctor_init
= class_or_struct
= FALSE
;
5630 /* Search for a line starting with '#', empty, ending in ';' or containing
5631 * '{' or '}' and start below it. This handles the following situations:
5638 * Foo::Foo (int one, int two)
5645 line
= ml_get(lnum
- 1);
5646 s
= skipwhite(line
);
5647 if (*s
== '#' || *s
== NUL
)
5651 s
= cin_skipcomment(s
);
5652 if (*s
== '{' || *s
== '}'
5653 || (*s
== ';' && cin_nocode(s
+ 1)))
5663 line
= ml_get(lnum
);
5664 s
= cin_skipcomment(line
);
5669 if (lnum
== curwin
->w_cursor
.lnum
)
5671 /* Continue in the cursor line. */
5672 line
= ml_get(++lnum
);
5673 s
= cin_skipcomment(line
);
5682 /* skip double colon. It can't be a constructor
5683 * initialization any more */
5684 lookfor_ctor_init
= FALSE
;
5685 s
= cin_skipcomment(s
+ 2);
5687 else if (lookfor_ctor_init
|| class_or_struct
)
5689 /* we have something found, that looks like the start of
5690 * cpp-base-class-declaration or contructor-initialization */
5691 cpp_base_class
= TRUE
;
5692 lookfor_ctor_init
= class_or_struct
= FALSE
;
5694 s
= cin_skipcomment(s
+ 1);
5697 s
= cin_skipcomment(s
+ 1);
5699 else if ((STRNCMP(s
, "class", 5) == 0 && !vim_isIDc(s
[5]))
5700 || (STRNCMP(s
, "struct", 6) == 0 && !vim_isIDc(s
[6])))
5702 class_or_struct
= TRUE
;
5703 lookfor_ctor_init
= FALSE
;
5706 s
= cin_skipcomment(s
+ 5);
5708 s
= cin_skipcomment(s
+ 6);
5712 if (s
[0] == '{' || s
[0] == '}' || s
[0] == ';')
5714 cpp_base_class
= lookfor_ctor_init
= class_or_struct
= FALSE
;
5716 else if (s
[0] == ')')
5718 /* Constructor-initialization is assumed if we come across
5719 * something like "):" */
5720 class_or_struct
= FALSE
;
5721 lookfor_ctor_init
= TRUE
;
5723 else if (s
[0] == '?')
5725 /* Avoid seeing '() :' after '?' as constructor init. */
5728 else if (!vim_isIDc(s
[0]))
5730 /* if it is not an identifier, we are wrong */
5731 class_or_struct
= FALSE
;
5732 lookfor_ctor_init
= FALSE
;
5736 /* it can't be a constructor-initialization any more */
5737 lookfor_ctor_init
= FALSE
;
5739 /* the first statement starts here: lineup with this one... */
5741 *col
= (colnr_T
)(s
- line
);
5744 /* When the line ends in a comma don't align with it. */
5745 if (lnum
== curwin
->w_cursor
.lnum
&& *s
== ',' && cin_nocode(s
+ 1))
5748 s
= cin_skipcomment(s
+ 1);
5752 return cpp_base_class
;
5756 get_baseclass_amount(col
, ind_maxparen
, ind_maxcomment
, ind_cpp_baseclass
)
5760 int ind_cpp_baseclass
;
5768 amount
= get_indent();
5769 if (find_last_paren(ml_get_curline(), '(', ')')
5770 && (trypos
= find_match_paren(ind_maxparen
,
5771 ind_maxcomment
)) != NULL
)
5772 amount
= get_indent_lnum(trypos
->lnum
); /* XXX */
5773 if (!cin_ends_in(ml_get_curline(), (char_u
*)",", NULL
))
5774 amount
+= ind_cpp_baseclass
;
5778 curwin
->w_cursor
.col
= col
;
5779 getvcol(curwin
, &curwin
->w_cursor
, &vcol
, NULL
, NULL
);
5782 if (amount
< ind_cpp_baseclass
)
5783 amount
= ind_cpp_baseclass
;
5788 * Return TRUE if string "s" ends with the string "find", possibly followed by
5789 * white space and comments. Skip strings and comments.
5790 * Ignore "ignore" after "find" if it's not NULL.
5793 cin_ends_in(s
, find
, ignore
)
5800 int len
= (int)STRLEN(find
);
5804 p
= cin_skipcomment(p
);
5805 if (STRNCMP(p
, find
, len
) == 0)
5807 r
= skipwhite(p
+ len
);
5808 if (ignore
!= NULL
&& STRNCMP(r
, ignore
, STRLEN(ignore
)) == 0)
5809 r
= skipwhite(r
+ STRLEN(ignore
));
5820 * Skip strings, chars and comments until at or past "trypos".
5821 * Return the column found.
5824 cin_skip2pos(trypos
)
5830 p
= line
= ml_get(trypos
->lnum
);
5831 while (*p
&& (colnr_T
)(p
- line
) < trypos
->col
)
5833 if (cin_iscomment(p
))
5834 p
= cin_skipcomment(p
);
5841 return (int)(p
- line
);
5845 * Find the '{' at the start of the block we are in.
5846 * Return NULL if no match found.
5847 * Ignore a '{' that is in a comment, makes indenting the next three lines
5854 find_start_brace(ind_maxcomment
) /* XXX */
5860 static pos_T pos_copy
;
5862 cursor_save
= curwin
->w_cursor
;
5863 while ((trypos
= findmatchlimit(NULL
, '{', FM_BLOCKSTOP
, 0)) != NULL
)
5865 pos_copy
= *trypos
; /* copy pos_T, next findmatch will change it */
5867 curwin
->w_cursor
= *trypos
;
5869 /* ignore the { if it's in a // or / * * / comment */
5870 if ((colnr_T
)cin_skip2pos(trypos
) == trypos
->col
5871 && (pos
= find_start_comment(ind_maxcomment
)) == NULL
) /* XXX */
5874 curwin
->w_cursor
.lnum
= pos
->lnum
;
5876 curwin
->w_cursor
= cursor_save
;
5881 * Find the matching '(', failing if it is in a comment.
5882 * Return NULL of no match found.
5885 find_match_paren(ind_maxparen
, ind_maxcomment
) /* XXX */
5891 static pos_T pos_copy
;
5893 cursor_save
= curwin
->w_cursor
;
5894 if ((trypos
= findmatchlimit(NULL
, '(', 0, ind_maxparen
)) != NULL
)
5896 /* check if the ( is in a // comment */
5897 if ((colnr_T
)cin_skip2pos(trypos
) > trypos
->col
)
5901 pos_copy
= *trypos
; /* copy trypos, findmatch will change it */
5903 curwin
->w_cursor
= *trypos
;
5904 if (find_start_comment(ind_maxcomment
) != NULL
) /* XXX */
5908 curwin
->w_cursor
= cursor_save
;
5913 * Return ind_maxparen corrected for the difference in line number between the
5914 * cursor position and "startpos". This makes sure that searching for a
5915 * matching paren above the cursor line doesn't find a match because of
5916 * looking a few lines further.
5919 corr_ind_maxparen(ind_maxparen
, startpos
)
5923 long n
= (long)startpos
->lnum
- (long)curwin
->w_cursor
.lnum
;
5925 if (n
> 0 && n
< ind_maxparen
/ 2)
5926 return ind_maxparen
- (int)n
;
5927 return ind_maxparen
;
5931 * Set w_cursor.col to the column number of the last unmatched ')' or '{' in
5935 find_last_paren(l
, start
, end
)
5943 curwin
->w_cursor
.col
= 0; /* default is start of line */
5945 for (i
= 0; l
[i
]; i
++)
5947 i
= (int)(cin_skipcomment(l
+ i
) - l
); /* ignore parens in comments */
5948 i
= (int)(skip_string(l
+ i
) - l
); /* ignore parens in quotes */
5951 else if (l
[i
] == end
)
5957 curwin
->w_cursor
.col
= i
;
5969 * spaces from a block's opening brace the prevailing indent for that
5972 int ind_level
= curbuf
->b_p_sw
;
5975 * spaces from the edge of the line an open brace that's at the end of a
5976 * line is imagined to be.
5978 int ind_open_imag
= 0;
5981 * spaces from the prevailing indent for a line that is not precededof by
5984 int ind_no_brace
= 0;
5987 * column where the first { of a function should be located }
5989 int ind_first_open
= 0;
5992 * spaces from the prevailing indent a leftmost open brace should be
5995 int ind_open_extra
= 0;
5998 * spaces from the matching open brace (real location for one at the left
5999 * edge; imaginary location from one that ends a line) the matching close
6000 * brace should be located
6002 int ind_close_extra
= 0;
6005 * spaces from the edge of the line an open brace sitting in the leftmost
6006 * column is imagined to be
6008 int ind_open_left_imag
= 0;
6011 * spaces from the switch() indent a "case xx" label should be located
6013 int ind_case
= curbuf
->b_p_sw
;
6016 * spaces from the "case xx:" code after a switch() should be located
6018 int ind_case_code
= curbuf
->b_p_sw
;
6021 * lineup break at end of case in switch() with case label
6023 int ind_case_break
= 0;
6026 * spaces from the class declaration indent a scope declaration label
6029 int ind_scopedecl
= curbuf
->b_p_sw
;
6032 * spaces from the scope declaration label code should be located
6034 int ind_scopedecl_code
= curbuf
->b_p_sw
;
6037 * amount K&R-style parameters should be indented
6039 int ind_param
= curbuf
->b_p_sw
;
6042 * amount a function type spec should be indented
6044 int ind_func_type
= curbuf
->b_p_sw
;
6047 * amount a cpp base class declaration or constructor initialization
6048 * should be indented
6050 int ind_cpp_baseclass
= curbuf
->b_p_sw
;
6053 * additional spaces beyond the prevailing indent a continuation line
6056 int ind_continuation
= curbuf
->b_p_sw
;
6059 * spaces from the indent of the line with an unclosed parentheses
6061 int ind_unclosed
= curbuf
->b_p_sw
* 2;
6064 * spaces from the indent of the line with an unclosed parentheses, which
6065 * itself is also unclosed
6067 int ind_unclosed2
= curbuf
->b_p_sw
;
6070 * suppress ignoring spaces from the indent of a line starting with an
6071 * unclosed parentheses.
6073 int ind_unclosed_noignore
= 0;
6076 * If the opening paren is the last nonwhite character on the line, and
6077 * ind_unclosed_wrapped is nonzero, use this indent relative to the outer
6078 * context (for very long lines).
6080 int ind_unclosed_wrapped
= 0;
6083 * suppress ignoring white space when lining up with the character after
6084 * an unclosed parentheses.
6086 int ind_unclosed_whiteok
= 0;
6089 * indent a closing parentheses under the line start of the matching
6090 * opening parentheses.
6092 int ind_matching_paren
= 0;
6095 * indent a closing parentheses under the previous line.
6097 int ind_paren_prev
= 0;
6100 * Extra indent for comments.
6102 int ind_comment
= 0;
6105 * spaces from the comment opener when there is nothing after it.
6107 int ind_in_comment
= 3;
6110 * boolean: if non-zero, use ind_in_comment even if there is something
6111 * after the comment opener.
6113 int ind_in_comment2
= 0;
6116 * max lines to search for an open paren
6118 int ind_maxparen
= 20;
6121 * max lines to search for an open comment
6123 int ind_maxcomment
= 70;
6126 * handle braces for java code
6131 * handle blocked cases correctly
6133 int ind_keep_case_label
= 0;
6138 int cur_amount
= MAXCOL
;
6143 pos_T
*tryposBrace
= NULL
;
6144 pos_T our_paren_pos
;
6147 #define BRACE_IN_COL0 1 /* '{' is in comumn 0 */
6148 #define BRACE_AT_START 2 /* '{' is at start of line */
6149 #define BRACE_AT_END 3 /* '{' is at end of line */
6155 #define LOOKFOR_INITIAL 0
6156 #define LOOKFOR_IF 1
6157 #define LOOKFOR_DO 2
6158 #define LOOKFOR_CASE 3
6159 #define LOOKFOR_ANY 4
6160 #define LOOKFOR_TERM 5
6161 #define LOOKFOR_UNTERM 6
6162 #define LOOKFOR_SCOPEDECL 7
6163 #define LOOKFOR_NOBREAK 8
6164 #define LOOKFOR_CPP_BASECLASS 9
6165 #define LOOKFOR_ENUM_OR_INIT 10
6170 int fraction
= 0; /* init for GCC */
6175 int cont_amount
= 0; /* amount for continuation line */
6177 for (options
= curbuf
->b_p_cino
; *options
; )
6180 if (*options
== '-')
6182 n
= getdigits(&options
);
6184 if (*options
== '.') /* ".5s" means a fraction */
6186 fraction
= atol((char *)++options
);
6187 while (VIM_ISDIGIT(*options
))
6196 if (*options
== 's') /* "2s" means two times 'shiftwidth' */
6198 if (n
== 0 && fraction
== 0)
6199 n
= curbuf
->b_p_sw
; /* just "s" is one 'shiftwidth' */
6202 n
*= curbuf
->b_p_sw
;
6204 n
+= (curbuf
->b_p_sw
* fraction
+ divider
/ 2) / divider
;
6210 /* When adding an entry here, also update the default 'cinoptions' in
6211 * doc/indent.txt, and add explanation for it! */
6214 case '>': ind_level
= n
; break;
6215 case 'e': ind_open_imag
= n
; break;
6216 case 'n': ind_no_brace
= n
; break;
6217 case 'f': ind_first_open
= n
; break;
6218 case '{': ind_open_extra
= n
; break;
6219 case '}': ind_close_extra
= n
; break;
6220 case '^': ind_open_left_imag
= n
; break;
6221 case ':': ind_case
= n
; break;
6222 case '=': ind_case_code
= n
; break;
6223 case 'b': ind_case_break
= n
; break;
6224 case 'p': ind_param
= n
; break;
6225 case 't': ind_func_type
= n
; break;
6226 case '/': ind_comment
= n
; break;
6227 case 'c': ind_in_comment
= n
; break;
6228 case 'C': ind_in_comment2
= n
; break;
6229 case 'i': ind_cpp_baseclass
= n
; break;
6230 case '+': ind_continuation
= n
; break;
6231 case '(': ind_unclosed
= n
; break;
6232 case 'u': ind_unclosed2
= n
; break;
6233 case 'U': ind_unclosed_noignore
= n
; break;
6234 case 'W': ind_unclosed_wrapped
= n
; break;
6235 case 'w': ind_unclosed_whiteok
= n
; break;
6236 case 'm': ind_matching_paren
= n
; break;
6237 case 'M': ind_paren_prev
= n
; break;
6238 case ')': ind_maxparen
= n
; break;
6239 case '*': ind_maxcomment
= n
; break;
6240 case 'g': ind_scopedecl
= n
; break;
6241 case 'h': ind_scopedecl_code
= n
; break;
6242 case 'j': ind_java
= n
; break;
6243 case 'l': ind_keep_case_label
= n
; break;
6244 case '#': ind_hash_comment
= n
; break;
6248 /* remember where the cursor was when we started */
6249 cur_curpos
= curwin
->w_cursor
;
6251 /* Get a copy of the current contents of the line.
6252 * This is required, because only the most recent line obtained with
6253 * ml_get is valid! */
6254 linecopy
= vim_strsave(ml_get(cur_curpos
.lnum
));
6255 if (linecopy
== NULL
)
6259 * In insert mode and the cursor is on a ')' truncate the line at the
6260 * cursor position. We don't want to line up with the matching '(' when
6261 * inserting new stuff.
6262 * For unknown reasons the cursor might be past the end of the line, thus
6265 if ((State
& INSERT
)
6266 && curwin
->w_cursor
.col
< STRLEN(linecopy
)
6267 && linecopy
[curwin
->w_cursor
.col
] == ')')
6268 linecopy
[curwin
->w_cursor
.col
] = NUL
;
6270 theline
= skipwhite(linecopy
);
6272 /* move the cursor to the start of the line */
6274 curwin
->w_cursor
.col
= 0;
6277 * #defines and so on always go at the left when included in 'cinkeys'.
6279 if (*theline
== '#' && (*linecopy
== '#' || in_cinkeys('#', ' ', TRUE
)))
6285 * Is it a non-case label? Then that goes at the left margin too.
6287 else if (cin_islabel(ind_maxcomment
)) /* XXX */
6293 * If we're inside a "//" comment and there is a "//" comment in a
6294 * previous line, lineup with that one.
6296 else if (cin_islinecomment(theline
)
6297 && (trypos
= find_line_comment()) != NULL
) /* XXX */
6299 /* find how indented the line beginning the comment is */
6300 getvcol(curwin
, trypos
, &col
, NULL
, NULL
);
6305 * If we're inside a comment and not looking at the start of the
6306 * comment, try using the 'comments' option.
6308 else if (!cin_iscomment(theline
)
6309 && (trypos
= find_start_comment(ind_maxcomment
)) != NULL
) /* XXX */
6311 int lead_start_len
= 2;
6312 int lead_middle_len
= 1;
6313 char_u lead_start
[COM_MAX_LEN
]; /* start-comment string */
6314 char_u lead_middle
[COM_MAX_LEN
]; /* middle-comment string */
6315 char_u lead_end
[COM_MAX_LEN
]; /* end-comment string */
6317 int start_align
= 0;
6321 /* find how indented the line beginning the comment is */
6322 getvcol(curwin
, trypos
, &col
, NULL
, NULL
);
6325 p
= curbuf
->b_p_com
;
6332 while (*p
!= NUL
&& *p
!= ':')
6334 if (*p
== COM_START
|| *p
== COM_END
|| *p
== COM_MIDDLE
)
6336 else if (*p
== COM_LEFT
|| *p
== COM_RIGHT
)
6338 else if (VIM_ISDIGIT(*p
) || *p
== '-')
6339 off
= getdigits(&p
);
6346 (void)copy_option_part(&p
, lead_end
, COM_MAX_LEN
, ",");
6347 if (what
== COM_START
)
6349 STRCPY(lead_start
, lead_end
);
6350 lead_start_len
= (int)STRLEN(lead_start
);
6352 start_align
= align
;
6354 else if (what
== COM_MIDDLE
)
6356 STRCPY(lead_middle
, lead_end
);
6357 lead_middle_len
= (int)STRLEN(lead_middle
);
6359 else if (what
== COM_END
)
6361 /* If our line starts with the middle comment string, line it
6362 * up with the comment opener per the 'comments' option. */
6363 if (STRNCMP(theline
, lead_middle
, lead_middle_len
) == 0
6364 && STRNCMP(theline
, lead_end
, STRLEN(lead_end
)) != 0)
6367 if (curwin
->w_cursor
.lnum
> 1)
6369 /* If the start comment string matches in the previous
6370 * line, use the indent of that line pluss offset. If
6371 * the middle comment string matches in the previous
6372 * line, use the indent of that line. XXX */
6373 look
= skipwhite(ml_get(curwin
->w_cursor
.lnum
- 1));
6374 if (STRNCMP(look
, lead_start
, lead_start_len
) == 0)
6375 amount
= get_indent_lnum(curwin
->w_cursor
.lnum
- 1);
6376 else if (STRNCMP(look
, lead_middle
,
6377 lead_middle_len
) == 0)
6379 amount
= get_indent_lnum(curwin
->w_cursor
.lnum
- 1);
6382 /* If the start comment string doesn't match with the
6383 * start of the comment, skip this entry. XXX */
6384 else if (STRNCMP(ml_get(trypos
->lnum
) + trypos
->col
,
6385 lead_start
, lead_start_len
) != 0)
6389 amount
+= start_off
;
6390 else if (start_align
== COM_RIGHT
)
6391 amount
+= vim_strsize(lead_start
)
6392 - vim_strsize(lead_middle
);
6396 /* If our line starts with the end comment string, line it up
6397 * with the middle comment */
6398 if (STRNCMP(theline
, lead_middle
, lead_middle_len
) != 0
6399 && STRNCMP(theline
, lead_end
, STRLEN(lead_end
)) == 0)
6401 amount
= get_indent_lnum(curwin
->w_cursor
.lnum
- 1);
6405 else if (align
== COM_RIGHT
)
6406 amount
+= vim_strsize(lead_start
)
6407 - vim_strsize(lead_middle
);
6414 /* If our line starts with an asterisk, line up with the
6415 * asterisk in the comment opener; otherwise, line up
6416 * with the first character of the comment text.
6420 else if (theline
[0] == '*')
6425 * If we are more than one line away from the comment opener, take
6426 * the indent of the previous non-empty line. If 'cino' has "CO"
6427 * and we are just below the comment opener and there are any
6428 * white characters after it line up with the text after it;
6429 * otherwise, add the amount specified by "c" in 'cino'
6432 for (lnum
= cur_curpos
.lnum
- 1; lnum
> trypos
->lnum
; --lnum
)
6434 if (linewhite(lnum
)) /* skip blank lines */
6436 amount
= get_indent_lnum(lnum
); /* XXX */
6439 if (amount
== -1) /* use the comment opener */
6441 if (!ind_in_comment2
)
6443 start
= ml_get(trypos
->lnum
);
6444 look
= start
+ trypos
->col
+ 2; /* skip / and * */
6445 if (*look
!= NUL
) /* if something after it */
6446 trypos
->col
= (colnr_T
)(skipwhite(look
) - start
);
6448 getvcol(curwin
, trypos
, &col
, NULL
, NULL
);
6450 if (ind_in_comment2
|| *look
== NUL
)
6451 amount
+= ind_in_comment
;
6457 * Are we inside parentheses or braces?
6459 else if (((trypos
= find_match_paren(ind_maxparen
, ind_maxcomment
)) != NULL
6461 || (tryposBrace
= find_start_brace(ind_maxcomment
)) != NULL
6464 if (trypos
!= NULL
&& tryposBrace
!= NULL
)
6466 /* Both an unmatched '(' and '{' is found. Use the one which is
6467 * closer to the current cursor position, set the other to NULL. */
6468 if (trypos
->lnum
!= tryposBrace
->lnum
6469 ? trypos
->lnum
< tryposBrace
->lnum
6470 : trypos
->col
< tryposBrace
->col
)
6479 * If the matching paren is more than one line away, use the indent of
6480 * a previous non-empty line that matches the same paren.
6482 if (theline
[0] == ')' && ind_paren_prev
)
6484 /* Line up with the start of the matching paren line. */
6485 amount
= get_indent_lnum(curwin
->w_cursor
.lnum
- 1); /* XXX */
6490 our_paren_pos
= *trypos
;
6491 for (lnum
= cur_curpos
.lnum
- 1; lnum
> our_paren_pos
.lnum
; --lnum
)
6493 l
= skipwhite(ml_get(lnum
));
6494 if (cin_nocode(l
)) /* skip comment lines */
6496 if (cin_ispreproc_cont(&l
, &lnum
))
6497 continue; /* ignore #define, #if, etc. */
6498 curwin
->w_cursor
.lnum
= lnum
;
6500 /* Skip a comment. XXX */
6501 if ((trypos
= find_start_comment(ind_maxcomment
)) != NULL
)
6503 lnum
= trypos
->lnum
+ 1;
6508 if ((trypos
= find_match_paren(
6509 corr_ind_maxparen(ind_maxparen
, &cur_curpos
),
6510 ind_maxcomment
)) != NULL
6511 && trypos
->lnum
== our_paren_pos
.lnum
6512 && trypos
->col
== our_paren_pos
.col
)
6514 amount
= get_indent_lnum(lnum
); /* XXX */
6516 if (theline
[0] == ')')
6518 if (our_paren_pos
.lnum
!= lnum
6519 && cur_amount
> amount
)
6520 cur_amount
= amount
;
6529 * Line up with line where the matching paren is. XXX
6530 * If the line starts with a '(' or the indent for unclosed
6531 * parentheses is zero, line up with the unclosed parentheses.
6535 int ignore_paren_col
= 0;
6537 amount
= skip_label(our_paren_pos
.lnum
, &look
, ind_maxcomment
);
6538 look
= skipwhite(look
);
6541 linenr_T save_lnum
= curwin
->w_cursor
.lnum
;
6545 /* Ignore a '(' in front of the line that has a match before
6546 * our matching '('. */
6547 curwin
->w_cursor
.lnum
= our_paren_pos
.lnum
;
6548 line
= ml_get_curline();
6549 look_col
= (int)(look
- line
);
6550 curwin
->w_cursor
.col
= look_col
+ 1;
6551 if ((trypos
= findmatchlimit(NULL
, ')', 0, ind_maxparen
))
6553 && trypos
->lnum
== our_paren_pos
.lnum
6554 && trypos
->col
< our_paren_pos
.col
)
6555 ignore_paren_col
= trypos
->col
+ 1;
6557 curwin
->w_cursor
.lnum
= save_lnum
;
6558 look
= ml_get(our_paren_pos
.lnum
) + look_col
;
6560 if (theline
[0] == ')' || ind_unclosed
== 0
6561 || (!ind_unclosed_noignore
&& *look
== '('
6562 && ignore_paren_col
== 0))
6565 * If we're looking at a close paren, line up right there;
6566 * otherwise, line up with the next (non-white) character.
6567 * When ind_unclosed_wrapped is set and the matching paren is
6568 * the last nonwhite character of the line, use either the
6569 * indent of the current line or the indentation of the next
6570 * outer paren and add ind_unclosed_wrapped (for very long
6573 if (theline
[0] != ')')
6575 cur_amount
= MAXCOL
;
6576 l
= ml_get(our_paren_pos
.lnum
);
6577 if (ind_unclosed_wrapped
6578 && cin_ends_in(l
, (char_u
*)"(", NULL
))
6580 /* look for opening unmatched paren, indent one level
6581 * for each additional level */
6583 for (col
= 0; col
< our_paren_pos
.col
; ++col
)
6592 case '}': if (n
> 1)
6598 our_paren_pos
.col
= 0;
6599 amount
+= n
* ind_unclosed_wrapped
;
6601 else if (ind_unclosed_whiteok
)
6602 our_paren_pos
.col
++;
6605 col
= our_paren_pos
.col
+ 1;
6606 while (vim_iswhite(l
[col
]))
6608 if (l
[col
] != NUL
) /* In case of trailing space */
6609 our_paren_pos
.col
= col
;
6611 our_paren_pos
.col
++;
6616 * Find how indented the paren is, or the character after it
6617 * if we did the above "if".
6619 if (our_paren_pos
.col
> 0)
6621 getvcol(curwin
, &our_paren_pos
, &col
, NULL
, NULL
);
6622 if (cur_amount
> (int)col
)
6627 if (theline
[0] == ')' && ind_matching_paren
)
6629 /* Line up with the start of the matching paren line. */
6631 else if (ind_unclosed
== 0 || (!ind_unclosed_noignore
6632 && *look
== '(' && ignore_paren_col
== 0))
6634 if (cur_amount
!= MAXCOL
)
6635 amount
= cur_amount
;
6639 /* Add ind_unclosed2 for each '(' before our matching one, but
6640 * ignore (void) before the line (ignore_paren_col). */
6641 col
= our_paren_pos
.col
;
6642 while ((int)our_paren_pos
.col
> ignore_paren_col
)
6644 --our_paren_pos
.col
;
6645 switch (*ml_get_pos(&our_paren_pos
))
6647 case '(': amount
+= ind_unclosed2
;
6648 col
= our_paren_pos
.col
;
6650 case ')': amount
-= ind_unclosed2
;
6656 /* Use ind_unclosed once, when the first '(' is not inside
6659 amount
+= ind_unclosed
;
6662 curwin
->w_cursor
.lnum
= our_paren_pos
.lnum
;
6663 curwin
->w_cursor
.col
= col
;
6664 if ((trypos
= find_match_paren(ind_maxparen
,
6665 ind_maxcomment
)) != NULL
)
6666 amount
+= ind_unclosed2
;
6668 amount
+= ind_unclosed
;
6671 * For a line starting with ')' use the minimum of the two
6672 * positions, to avoid giving it more indent than the previous
6674 * func_long_name( if (x
6676 * ) ^ not here ) ^ not here
6678 if (cur_amount
< amount
)
6679 amount
= cur_amount
;
6683 /* add extra indent for a comment */
6684 if (cin_iscomment(theline
))
6685 amount
+= ind_comment
;
6689 * Are we at least inside braces, then?
6693 trypos
= tryposBrace
;
6695 ourscope
= trypos
->lnum
;
6696 start
= ml_get(ourscope
);
6699 * Now figure out how indented the line is in general.
6700 * If the brace was at the start of the line, we use that;
6701 * otherwise, check out the indentation of the line as
6702 * a whole and then add the "imaginary indent" to that.
6704 look
= skipwhite(start
);
6707 getvcol(curwin
, trypos
, &col
, NULL
, NULL
);
6710 start_brace
= BRACE_IN_COL0
;
6712 start_brace
= BRACE_AT_START
;
6717 * that opening brace might have been on a continuation
6718 * line. if so, find the start of the line.
6720 curwin
->w_cursor
.lnum
= ourscope
;
6723 * position the cursor over the rightmost paren, so that
6724 * matching it will take us back to the start of the line.
6727 if (find_last_paren(start
, '(', ')')
6728 && (trypos
= find_match_paren(ind_maxparen
,
6729 ind_maxcomment
)) != NULL
)
6730 lnum
= trypos
->lnum
;
6733 * It could have been something like
6734 * case 1: if (asdf &&
6738 if (ind_keep_case_label
&& cin_iscase(skipwhite(ml_get_curline())))
6739 amount
= get_indent();
6741 amount
= skip_label(lnum
, &l
, ind_maxcomment
);
6743 start_brace
= BRACE_AT_END
;
6747 * if we're looking at a closing brace, that's where
6748 * we want to be. otherwise, add the amount of room
6749 * that an indent is supposed to be.
6751 if (theline
[0] == '}')
6754 * they may want closing braces to line up with something
6755 * other than the open brace. indulge them, if so.
6757 amount
+= ind_close_extra
;
6762 * If we're looking at an "else", try to find an "if"
6764 * If we're looking at a "while", try to find a "do"
6767 lookfor
= LOOKFOR_INITIAL
;
6768 if (cin_iselse(theline
))
6769 lookfor
= LOOKFOR_IF
;
6770 else if (cin_iswhileofdo(theline
, cur_curpos
.lnum
, ind_maxparen
))
6772 lookfor
= LOOKFOR_DO
;
6773 if (lookfor
!= LOOKFOR_INITIAL
)
6775 curwin
->w_cursor
.lnum
= cur_curpos
.lnum
;
6776 if (find_match(lookfor
, ourscope
, ind_maxparen
,
6777 ind_maxcomment
) == OK
)
6779 amount
= get_indent(); /* XXX */
6785 * We get here if we are not on an "while-of-do" or "else" (or
6786 * failed to find a matching "if").
6787 * Search backwards for something to line up with.
6788 * First set amount for when we don't find anything.
6792 * if the '{' is _really_ at the left margin, use the imaginary
6793 * location of a left-margin brace. Otherwise, correct the
6794 * location for ind_open_extra.
6797 if (start_brace
== BRACE_IN_COL0
) /* '{' is in column 0 */
6799 amount
= ind_open_left_imag
;
6803 if (start_brace
== BRACE_AT_END
) /* '{' is at end of line */
6804 amount
+= ind_open_imag
;
6807 /* Compensate for adding ind_open_extra later. */
6808 amount
-= ind_open_extra
;
6814 lookfor_break
= FALSE
;
6816 if (cin_iscase(theline
)) /* it's a switch() label */
6818 lookfor
= LOOKFOR_CASE
; /* find a previous switch() label */
6821 else if (cin_isscopedecl(theline
)) /* private:, ... */
6823 lookfor
= LOOKFOR_SCOPEDECL
; /* class decl is this block */
6824 amount
+= ind_scopedecl
;
6828 if (ind_case_break
&& cin_isbreak(theline
)) /* break; ... */
6829 lookfor_break
= TRUE
;
6831 lookfor
= LOOKFOR_INITIAL
;
6832 amount
+= ind_level
; /* ind_level from start of block */
6834 scope_amount
= amount
;
6838 * Search backwards. If we find something we recognize, line up
6841 * if we're looking at an open brace, indent
6842 * the usual amount relative to the conditional
6843 * that opens the block.
6845 curwin
->w_cursor
= cur_curpos
;
6848 curwin
->w_cursor
.lnum
--;
6849 curwin
->w_cursor
.col
= 0;
6852 * If we went all the way back to the start of our scope, line
6855 if (curwin
->w_cursor
.lnum
<= ourscope
)
6857 /* we reached end of scope:
6858 * if looking for a enum or structure initialization
6860 * if it is an initializer (enum xxx or xxx =), then
6861 * don't add ind_continuation, otherwise it is a variable
6864 * here; <-- add ind_continuation
6866 if (lookfor
== LOOKFOR_ENUM_OR_INIT
)
6868 if (curwin
->w_cursor
.lnum
== 0
6869 || curwin
->w_cursor
.lnum
6870 < ourscope
- ind_maxparen
)
6872 /* nothing found (abuse ind_maxparen as limit)
6873 * assume terminated line (i.e. a variable
6874 * initialization) */
6875 if (cont_amount
> 0)
6876 amount
= cont_amount
;
6878 amount
+= ind_continuation
;
6882 l
= ml_get_curline();
6885 * If we're in a comment now, skip to the start of the
6888 trypos
= find_start_comment(ind_maxcomment
);
6891 curwin
->w_cursor
.lnum
= trypos
->lnum
+ 1;
6896 * Skip preprocessor directives and blank lines.
6898 if (cin_ispreproc_cont(&l
, &curwin
->w_cursor
.lnum
))
6904 terminated
= cin_isterminated(l
, FALSE
, TRUE
);
6907 * If we are at top level and the line looks like a
6908 * function declaration, we are done
6909 * (it's a variable declaration).
6911 if (start_brace
!= BRACE_IN_COL0
6912 || !cin_isfuncdecl(&l
, curwin
->w_cursor
.lnum
))
6914 /* if the line is terminated with another ','
6915 * it is a continued variable initialization.
6916 * don't add extra indent.
6917 * TODO: does not work, if a function
6918 * declaration is split over multiple lines:
6919 * cin_isfuncdecl returns FALSE then.
6921 if (terminated
== ',')
6924 /* if it es a enum declaration or an assignment,
6927 if (terminated
!= ';' && cin_isinit())
6930 /* nothing useful found */
6931 if (terminated
== 0 || terminated
== '{')
6935 if (terminated
!= ';')
6937 /* Skip parens and braces. Position the cursor
6938 * over the rightmost paren, so that matching it
6939 * will take us back to the start of the line.
6942 if (find_last_paren(l
, '(', ')'))
6943 trypos
= find_match_paren(ind_maxparen
,
6946 if (trypos
== NULL
&& find_last_paren(l
, '{', '}'))
6947 trypos
= find_start_brace(ind_maxcomment
);
6951 curwin
->w_cursor
.lnum
= trypos
->lnum
+ 1;
6956 /* it's a variable declaration, add indentation
6961 if (cont_amount
> 0)
6962 amount
= cont_amount
;
6964 amount
+= ind_continuation
;
6966 else if (lookfor
== LOOKFOR_UNTERM
)
6968 if (cont_amount
> 0)
6969 amount
= cont_amount
;
6971 amount
+= ind_continuation
;
6973 else if (lookfor
!= LOOKFOR_TERM
6974 && lookfor
!= LOOKFOR_CPP_BASECLASS
)
6976 amount
= scope_amount
;
6977 if (theline
[0] == '{')
6978 amount
+= ind_open_extra
;
6984 * If we're in a comment now, skip to the start of the comment.
6986 if ((trypos
= find_start_comment(ind_maxcomment
)) != NULL
)
6988 curwin
->w_cursor
.lnum
= trypos
->lnum
+ 1;
6992 l
= ml_get_curline();
6995 * If this is a switch() label, may line up relative to that.
6996 * If this is a C++ scope declaration, do the same.
6998 iscase
= cin_iscase(l
);
6999 if (iscase
|| cin_isscopedecl(l
))
7001 /* we are only looking for cpp base class
7002 * declaration/initialization any longer */
7003 if (lookfor
== LOOKFOR_CPP_BASECLASS
)
7006 /* When looking for a "do" we are not interested in
7013 * c = 99 + <- this indent plus continuation
7016 if (lookfor
== LOOKFOR_UNTERM
7017 || lookfor
== LOOKFOR_ENUM_OR_INIT
)
7019 if (cont_amount
> 0)
7020 amount
= cont_amount
;
7022 amount
+= ind_continuation
;
7027 * case xx: <- line up with this case
7031 if ( (iscase
&& lookfor
== LOOKFOR_CASE
)
7032 || (iscase
&& lookfor_break
)
7033 || (!iscase
&& lookfor
== LOOKFOR_SCOPEDECL
))
7036 * Check that this case label is not for another
7039 if ((trypos
= find_start_brace(ind_maxcomment
)) ==
7040 NULL
|| trypos
->lnum
== ourscope
)
7042 amount
= get_indent(); /* XXX */
7048 n
= get_indent_nolabel(curwin
->w_cursor
.lnum
); /* XXX */
7051 * case xx: if (cond) <- line up with this if
7056 * if (cond) <- line up with this line
7060 if (lookfor
== LOOKFOR_TERM
)
7070 * case xx: x = x + 1; <- line up with this x
7073 * case xx: if (cond) <- line up with this if
7079 l
= after_label(ml_get_curline());
7080 if (l
!= NULL
&& cin_is_cinword(l
))
7082 if (theline
[0] == '{')
7083 amount
+= ind_open_extra
;
7085 amount
+= ind_level
+ ind_no_brace
;
7091 * Try to get the indent of a statement before the switch
7092 * label. If nothing is found, line up relative to the
7094 * break; <- may line up with this line
7098 scope_amount
= get_indent() + (iscase
/* XXX */
7099 ? ind_case_code
: ind_scopedecl_code
);
7100 lookfor
= ind_case_break
? LOOKFOR_NOBREAK
: LOOKFOR_ANY
;
7105 * Looking for a switch() label or C++ scope declaration,
7106 * ignore other lines, skip {}-blocks.
7108 if (lookfor
== LOOKFOR_CASE
|| lookfor
== LOOKFOR_SCOPEDECL
)
7110 if (find_last_paren(l
, '{', '}') && (trypos
=
7111 find_start_brace(ind_maxcomment
)) != NULL
)
7112 curwin
->w_cursor
.lnum
= trypos
->lnum
+ 1;
7117 * Ignore jump labels with nothing after them.
7119 if (cin_islabel(ind_maxcomment
))
7121 l
= after_label(ml_get_curline());
7122 if (l
== NULL
|| cin_nocode(l
))
7127 * Ignore #defines, #if, etc.
7128 * Ignore comment and empty lines.
7129 * (need to get the line again, cin_islabel() may have
7132 l
= ml_get_curline();
7133 if (cin_ispreproc_cont(&l
, &curwin
->w_cursor
.lnum
)
7138 * Are we at the start of a cpp base class declaration or
7139 * constructor initialization?
7142 if (lookfor
!= LOOKFOR_TERM
&& ind_cpp_baseclass
> 0)
7144 n
= cin_is_cpp_baseclass(&col
);
7145 l
= ml_get_curline();
7149 if (lookfor
== LOOKFOR_UNTERM
)
7151 if (cont_amount
> 0)
7152 amount
= cont_amount
;
7154 amount
+= ind_continuation
;
7156 else if (theline
[0] == '{')
7158 /* Need to find start of the declaration. */
7159 lookfor
= LOOKFOR_UNTERM
;
7160 ind_continuation
= 0;
7165 amount
= get_baseclass_amount(col
, ind_maxparen
,
7166 ind_maxcomment
, ind_cpp_baseclass
);
7169 else if (lookfor
== LOOKFOR_CPP_BASECLASS
)
7171 /* only look, whether there is a cpp base class
7172 * declaration or initialization before the opening brace.
7174 if (cin_isterminated(l
, TRUE
, FALSE
))
7181 * What happens next depends on the line being terminated.
7182 * If terminated with a ',' only consider it terminating if
7183 * there is another unterminated statement behind, eg:
7187 * Otherwise check whether it is a enumeration or structure
7188 * initialisation (not indented) or a variable declaration
7191 terminated
= cin_isterminated(l
, FALSE
, TRUE
);
7193 if (terminated
== 0 || (lookfor
!= LOOKFOR_UNTERM
7194 && terminated
== ','))
7197 * if we're in the middle of a paren thing,
7198 * go back to the line that starts it so
7199 * we can get the right prevailing indent
7204 * position the cursor over the rightmost paren, so that
7205 * matching it will take us back to the start of the line.
7207 (void)find_last_paren(l
, '(', ')');
7208 trypos
= find_match_paren(
7209 corr_ind_maxparen(ind_maxparen
, &cur_curpos
),
7213 * If we are looking for ',', we also look for matching
7216 if (trypos
== NULL
&& terminated
== ','
7217 && find_last_paren(l
, '{', '}'))
7218 trypos
= find_start_brace(ind_maxcomment
);
7223 * Check if we are on a case label now. This is
7225 * case xx: if ( asdf &&
7228 curwin
->w_cursor
.lnum
= trypos
->lnum
;
7229 l
= ml_get_curline();
7230 if (cin_iscase(l
) || cin_isscopedecl(l
))
7232 ++curwin
->w_cursor
.lnum
;
7238 * Skip over continuation lines to find the one to get the
7240 * char *usethis = "bla\
7244 if (terminated
== ',')
7246 while (curwin
->w_cursor
.lnum
> 1)
7248 l
= ml_get(curwin
->w_cursor
.lnum
- 1);
7249 if (*l
== NUL
|| l
[STRLEN(l
) - 1] != '\\')
7251 --curwin
->w_cursor
.lnum
;
7256 * Get indent and pointer to text for current line,
7257 * ignoring any jump label. XXX
7259 cur_amount
= skip_label(curwin
->w_cursor
.lnum
,
7260 &l
, ind_maxcomment
);
7263 * If this is just above the line we are indenting, and it
7264 * starts with a '{', line it up with this line.
7269 if (terminated
!= ',' && lookfor
!= LOOKFOR_TERM
7270 && theline
[0] == '{')
7272 amount
= cur_amount
;
7274 * Only add ind_open_extra when the current line
7275 * doesn't start with a '{', which must have a match
7276 * in the same line (scope is the same). Probably:
7280 if (*skipwhite(l
) != '{')
7281 amount
+= ind_open_extra
;
7283 if (ind_cpp_baseclass
)
7285 /* have to look back, whether it is a cpp base
7286 * class declaration or initialization */
7287 lookfor
= LOOKFOR_CPP_BASECLASS
;
7294 * Check if we are after an "if", "while", etc.
7295 * Also allow " } else".
7297 if (cin_is_cinword(l
) || cin_iselse(skipwhite(l
)))
7300 * Found an unterminated line after an if (), line up
7301 * with the last one.
7306 if (lookfor
== LOOKFOR_UNTERM
7307 || lookfor
== LOOKFOR_ENUM_OR_INIT
)
7309 if (cont_amount
> 0)
7310 amount
= cont_amount
;
7312 amount
+= ind_continuation
;
7317 * If this is just above the line we are indenting, we
7321 * Otherwise this indent can be used when the line
7322 * before this is terminated.
7329 amount
= cur_amount
;
7330 if (theline
[0] == '{')
7331 amount
+= ind_open_extra
;
7332 if (lookfor
!= LOOKFOR_TERM
)
7334 amount
+= ind_level
+ ind_no_brace
;
7339 * Special trick: when expecting the while () after a
7340 * do, line up with the while()
7345 l
= skipwhite(ml_get_curline());
7348 if (whilelevel
== 0)
7354 * When searching for a terminated line, don't use the
7355 * one between the "if" and the "else".
7356 * Need to use the scope of this "else". XXX
7357 * If whilelevel != 0 continue looking for a "do {".
7361 && ((trypos
= find_start_brace(ind_maxcomment
))
7363 || find_match(LOOKFOR_IF
, trypos
->lnum
,
7364 ind_maxparen
, ind_maxcomment
) == FAIL
))
7369 * If we're below an unterminated line that is not an
7370 * "if" or something, we may line up with this line or
7371 * add something for a continuation line, depending on
7372 * the line before this one.
7377 * Found two unterminated lines on a row, line up with
7383 if (lookfor
== LOOKFOR_UNTERM
)
7385 /* When line ends in a comma add extra indent */
7386 if (terminated
== ',')
7387 amount
+= ind_continuation
;
7391 if (lookfor
== LOOKFOR_ENUM_OR_INIT
)
7393 /* Found two lines ending in ',', lineup with the
7394 * lowest one, but check for cpp base class
7395 * declaration/initialization, if it is an
7396 * opening brace or we are looking just for
7397 * enumerations/initializations. */
7398 if (terminated
== ',')
7400 if (ind_cpp_baseclass
== 0)
7403 lookfor
= LOOKFOR_CPP_BASECLASS
;
7407 /* Ignore unterminated lines in between, but
7409 if (amount
> cur_amount
)
7410 amount
= cur_amount
;
7415 * Found first unterminated line on a row, may
7416 * line up with this line, remember its indent
7420 amount
= cur_amount
;
7423 * If previous line ends in ',', check whether we
7424 * are in an initialization or enum
7429 * or a normal possible continuation line.
7430 * but only, of no other statement has been found
7433 if (lookfor
== LOOKFOR_INITIAL
&& terminated
== ',')
7435 lookfor
= LOOKFOR_ENUM_OR_INIT
;
7436 cont_amount
= cin_first_id_amount();
7440 if (lookfor
== LOOKFOR_INITIAL
7442 && l
[STRLEN(l
) - 1] == '\\')
7444 cont_amount
= cin_get_equal_amount(
7445 curwin
->w_cursor
.lnum
);
7446 if (lookfor
!= LOOKFOR_TERM
)
7447 lookfor
= LOOKFOR_UNTERM
;
7454 * Check if we are after a while (cond);
7455 * If so: Ignore until the matching "do".
7458 else if (cin_iswhileofdo_end(terminated
, ind_maxparen
,
7462 * Found an unterminated line after a while ();, line up
7463 * with the last one.
7465 * 100 + <- line up with this one
7468 if (lookfor
== LOOKFOR_UNTERM
7469 || lookfor
== LOOKFOR_ENUM_OR_INIT
)
7471 if (cont_amount
> 0)
7472 amount
= cont_amount
;
7474 amount
+= ind_continuation
;
7478 if (whilelevel
== 0)
7480 lookfor
= LOOKFOR_TERM
;
7481 amount
= get_indent(); /* XXX */
7482 if (theline
[0] == '{')
7483 amount
+= ind_open_extra
;
7489 * We are after a "normal" statement.
7490 * If we had another statement we can stop now and use the
7491 * indent of that other statement.
7492 * Otherwise the indent of the current statement may be used,
7493 * search backwards for the next "normal" statement.
7498 * Skip single break line, if before a switch label. It
7499 * may be lined up with the case label.
7501 if (lookfor
== LOOKFOR_NOBREAK
7502 && cin_isbreak(skipwhite(ml_get_curline())))
7504 lookfor
= LOOKFOR_ANY
;
7509 * Handle "do {" line.
7513 l
= cin_skipcomment(ml_get_curline());
7516 amount
= get_indent(); /* XXX */
7523 * Found a terminated line above an unterminated line. Add
7524 * the amount for a continuation line.
7533 if (lookfor
== LOOKFOR_UNTERM
7534 || lookfor
== LOOKFOR_ENUM_OR_INIT
)
7536 if (cont_amount
> 0)
7537 amount
= cont_amount
;
7539 amount
+= ind_continuation
;
7544 * Found a terminated line above a terminated line or "if"
7545 * etc. line. Use the amount of the line below us.
7548 * while (asdf) ->here;
7552 if (lookfor
== LOOKFOR_TERM
)
7554 if (!lookfor_break
&& whilelevel
== 0)
7559 * First line above the one we're indenting is terminated.
7560 * To know what needs to be done look further backward for
7561 * a terminated line.
7566 * position the cursor over the rightmost paren, so
7567 * that matching it will take us back to the start of
7568 * the line. Helps for:
7574 l
= ml_get_curline();
7575 if (find_last_paren(l
, '(', ')')
7576 && (trypos
= find_match_paren(ind_maxparen
,
7577 ind_maxcomment
)) != NULL
)
7580 * Check if we are on a case label now. This is
7582 * case xx: if ( asdf &&
7585 curwin
->w_cursor
.lnum
= trypos
->lnum
;
7586 l
= ml_get_curline();
7587 if (cin_iscase(l
) || cin_isscopedecl(l
))
7589 ++curwin
->w_cursor
.lnum
;
7594 /* When aligning with the case statement, don't align
7595 * with a statement after it.
7596 * case 1: { <-- don't use this { position
7603 iscase
= (ind_keep_case_label
&& cin_iscase(l
));
7606 * Get indent and pointer to text for current line,
7607 * ignoring any jump label.
7609 amount
= skip_label(curwin
->w_cursor
.lnum
,
7610 &l
, ind_maxcomment
);
7612 if (theline
[0] == '{')
7613 amount
+= ind_open_extra
;
7614 /* See remark above: "Only add ind_open_extra.." */
7617 amount
-= ind_open_extra
;
7618 lookfor
= iscase
? LOOKFOR_ANY
: LOOKFOR_TERM
;
7621 * When a terminated line starts with "else" skip to
7622 * the matching "if":
7625 * Need to use the scope of this "else". XXX
7626 * If whilelevel != 0 continue looking for a "do {".
7628 if (lookfor
== LOOKFOR_TERM
7633 if ((trypos
= find_start_brace(ind_maxcomment
))
7635 || find_match(LOOKFOR_IF
, trypos
->lnum
,
7636 ind_maxparen
, ind_maxcomment
) == FAIL
)
7642 * If we're at the end of a block, skip to the start of
7645 curwin
->w_cursor
.col
= 0;
7646 if (*cin_skipcomment(l
) == '}'
7647 && (trypos
= find_start_brace(ind_maxcomment
))
7650 curwin
->w_cursor
.lnum
= trypos
->lnum
;
7651 /* if not "else {" check for terminated again */
7652 /* but skip block for "} else {" */
7653 l
= cin_skipcomment(ml_get_curline());
7654 if (*l
== '}' || !cin_iselse(l
))
7656 ++curwin
->w_cursor
.lnum
;
7664 /* add extra indent for a comment */
7665 if (cin_iscomment(theline
))
7666 amount
+= ind_comment
;
7670 * ok -- we're not inside any sort of structure at all!
7672 * this means we're at the top level, and everything should
7673 * basically just match where the previous line is, except
7674 * for the lines immediately following a function declaration,
7675 * which are K&R-style parameters and need to be indented.
7680 * if our line starts with an open brace, forget about any
7681 * prevailing indent and make sure it looks like the start
7685 if (theline
[0] == '{')
7687 amount
= ind_first_open
;
7691 * If the NEXT line is a function declaration, the current
7692 * line needs to be indented as a function type spec.
7693 * Don't do this if the current line looks like a comment
7694 * or if the current line is terminated, ie. ends in ';'.
7696 else if (cur_curpos
.lnum
< curbuf
->b_ml
.ml_line_count
7697 && !cin_nocode(theline
)
7698 && !cin_ends_in(theline
, (char_u
*)":", NULL
)
7699 && !cin_ends_in(theline
, (char_u
*)",", NULL
)
7700 && cin_isfuncdecl(NULL
, cur_curpos
.lnum
+ 1)
7701 && !cin_isterminated(theline
, FALSE
, TRUE
))
7703 amount
= ind_func_type
;
7708 curwin
->w_cursor
= cur_curpos
;
7710 /* search backwards until we find something we recognize */
7712 while (curwin
->w_cursor
.lnum
> 1)
7714 curwin
->w_cursor
.lnum
--;
7715 curwin
->w_cursor
.col
= 0;
7717 l
= ml_get_curline();
7720 * If we're in a comment now, skip to the start of the comment.
7722 if ((trypos
= find_start_comment(ind_maxcomment
)) != NULL
)
7724 curwin
->w_cursor
.lnum
= trypos
->lnum
+ 1;
7729 * Are we at the start of a cpp base class declaration or
7730 * constructor initialization?
7733 if (ind_cpp_baseclass
!= 0 && theline
[0] != '{')
7735 n
= cin_is_cpp_baseclass(&col
);
7736 l
= ml_get_curline();
7741 amount
= get_baseclass_amount(col
, ind_maxparen
,
7742 ind_maxcomment
, ind_cpp_baseclass
);
7747 * Skip preprocessor directives and blank lines.
7749 if (cin_ispreproc_cont(&l
, &curwin
->w_cursor
.lnum
))
7756 * If the previous line ends in ',', use one level of
7760 * do this before checking for '}' in case of eg.
7768 if (cin_ends_in(l
, (char_u
*)",", NULL
)
7769 || (*l
!= NUL
&& (n
= l
[STRLEN(l
) - 1]) == '\\'))
7771 /* take us back to opening paren */
7772 if (find_last_paren(l
, '(', ')')
7773 && (trypos
= find_match_paren(ind_maxparen
,
7774 ind_maxcomment
)) != NULL
)
7775 curwin
->w_cursor
.lnum
= trypos
->lnum
;
7777 /* For a line ending in ',' that is a continuation line go
7778 * back to the first line with a backslash:
7783 while (n
== 0 && curwin
->w_cursor
.lnum
> 1)
7785 l
= ml_get(curwin
->w_cursor
.lnum
- 1);
7786 if (*l
== NUL
|| l
[STRLEN(l
) - 1] != '\\')
7788 --curwin
->w_cursor
.lnum
;
7791 amount
= get_indent(); /* XXX */
7794 amount
= cin_first_id_amount();
7796 amount
= ind_continuation
;
7801 * If the line looks like a function declaration, and we're
7802 * not in a comment, put it the left margin.
7804 if (cin_isfuncdecl(NULL
, cur_curpos
.lnum
)) /* XXX */
7806 l
= ml_get_curline();
7809 * Finding the closing '}' of a previous function. Put
7810 * current line at the left margin. For when 'cino' has "fs".
7812 if (*skipwhite(l
) == '}')
7816 * If the previous line ends on '};' (maybe followed by
7817 * comments) align at column 0. For example:
7818 * char *string_array[] = { "foo",
7819 * / * x * / "b};ar" }; / * foobar * /
7821 if (cin_ends_in(l
, (char_u
*)"};", NULL
))
7825 * If the PREVIOUS line is a function declaration, the current
7826 * line (and the ones that follow) needs to be indented as
7829 if (cin_isfuncdecl(&l
, curwin
->w_cursor
.lnum
))
7836 * If the previous line ends in ';' and the line before the
7837 * previous line ends in ',' or '\', ident to column zero:
7842 if (cin_ends_in(l
, (char_u
*)";", NULL
))
7844 l
= ml_get(curwin
->w_cursor
.lnum
- 1);
7845 if (cin_ends_in(l
, (char_u
*)",", NULL
)
7846 || (*l
!= NUL
&& l
[STRLEN(l
) - 1] == '\\'))
7848 l
= ml_get_curline();
7852 * Doesn't look like anything interesting -- so just
7853 * use the indent of this line.
7855 * Position the cursor over the rightmost paren, so that
7856 * matching it will take us back to the start of the line.
7858 find_last_paren(l
, '(', ')');
7860 if ((trypos
= find_match_paren(ind_maxparen
,
7861 ind_maxcomment
)) != NULL
)
7862 curwin
->w_cursor
.lnum
= trypos
->lnum
;
7863 amount
= get_indent(); /* XXX */
7867 /* add extra indent for a comment */
7868 if (cin_iscomment(theline
))
7869 amount
+= ind_comment
;
7871 /* add extra indent if the previous line ended in a backslash:
7874 * char *foo = "asdf\
7877 if (cur_curpos
.lnum
> 1)
7879 l
= ml_get(cur_curpos
.lnum
- 1);
7880 if (*l
!= NUL
&& l
[STRLEN(l
) - 1] == '\\')
7882 cur_amount
= cin_get_equal_amount(cur_curpos
.lnum
- 1);
7884 amount
= cur_amount
;
7885 else if (cur_amount
== 0)
7886 amount
+= ind_continuation
;
7893 /* put the cursor back where it belongs */
7894 curwin
->w_cursor
= cur_curpos
;
7904 find_match(lookfor
, ourscope
, ind_maxparen
, ind_maxcomment
)
7916 if (lookfor
== LOOKFOR_IF
)
7927 curwin
->w_cursor
.col
= 0;
7929 while (curwin
->w_cursor
.lnum
> ourscope
+ 1)
7931 curwin
->w_cursor
.lnum
--;
7932 curwin
->w_cursor
.col
= 0;
7934 look
= cin_skipcomment(ml_get_curline());
7935 if (cin_iselse(look
)
7937 || cin_isdo(look
) /* XXX */
7938 || cin_iswhileofdo(look
, curwin
->w_cursor
.lnum
, ind_maxparen
))
7941 * if we've gone outside the braces entirely,
7942 * we must be out of scope...
7944 theirscope
= find_start_brace(ind_maxcomment
); /* XXX */
7945 if (theirscope
== NULL
)
7949 * and if the brace enclosing this is further
7950 * back than the one enclosing the else, we're
7953 if (theirscope
->lnum
< ourscope
)
7957 * and if they're enclosed in a *deeper* brace,
7958 * then we can ignore it because it's in a
7959 * different scope...
7961 if (theirscope
->lnum
> ourscope
)
7965 * if it was an "else" (that's not an "else if")
7966 * then we need to go back to another if, so
7967 * increment elselevel
7969 look
= cin_skipcomment(ml_get_curline());
7970 if (cin_iselse(look
))
7972 mightbeif
= cin_skipcomment(look
+ 4);
7973 if (!cin_isif(mightbeif
))
7979 * if it was a "while" then we need to go back to
7980 * another "do", so increment whilelevel. XXX
7982 if (cin_iswhileofdo(look
, curwin
->w_cursor
.lnum
, ind_maxparen
))
7988 /* If it's an "if" decrement elselevel */
7989 look
= cin_skipcomment(ml_get_curline());
7994 * When looking for an "if" ignore "while"s that
7997 if (elselevel
== 0 && lookfor
== LOOKFOR_IF
)
8001 /* If it's a "do" decrement whilelevel */
8006 * if we've used up all the elses, then
8007 * this must be the if that we want!
8008 * match the indent level of that if.
8010 if (elselevel
<= 0 && whilelevel
<= 0)
8019 # if defined(FEAT_EVAL) || defined(PROTO)
8021 * Get indent level from 'indentexpr'.
8029 int use_sandbox
= was_set_insecurely((char_u
*)"indentexpr",
8032 pos
= curwin
->w_cursor
;
8033 set_vim_var_nr(VV_LNUM
, curwin
->w_cursor
.lnum
);
8037 indent
= eval_to_number(curbuf
->b_p_inde
);
8042 /* Restore the cursor position so that 'indentexpr' doesn't need to.
8043 * Pretend to be in Insert mode, allow cursor past end of line for "o"
8047 curwin
->w_cursor
= pos
;
8051 /* If there is an error, just keep the current indent. */
8053 indent
= get_indent();
8059 #endif /* FEAT_CINDENT */
8061 #if defined(FEAT_LISP) || defined(PROTO)
8063 static int lisp_match
__ARGS((char_u
*p
));
8071 char_u
*word
= p_lispwords
;
8073 while (*word
!= NUL
)
8075 (void)copy_option_part(&word
, buf
, LSIZE
, ",");
8076 len
= (int)STRLEN(buf
);
8077 if (STRNCMP(buf
, p
, len
) == 0 && p
[len
] == ' ')
8084 * When 'p' is present in 'cpoptions, a Vi compatible method is used.
8085 * The incompatible newer method is quite a bit better at indenting
8086 * code in lisp-like languages than the traditional one; it's still
8087 * mostly heuristics however -- Dirk van Deun, dirk@rave.org
8090 * Findmatch() should be adapted for lisp, also to make showmatch
8091 * work correctly: now (v5.3) it seems all C/C++ oriented:
8092 * - it does not recognize the #\( and #\) notations as character literals
8093 * - it doesn't know about comments starting with a semicolon
8094 * - it incorrectly interprets '(' as a character literal
8095 * All this messes up get_lisp_indent in some rare cases.
8096 * Update from Sergey Khorev:
8097 * I tried to fix the first two issues.
8102 pos_T
*pos
, realpos
, paren
;
8107 int parencount
, quotecount
;
8110 /* Set vi_lisp to use the vi-compatible method */
8111 vi_lisp
= (vim_strchr(p_cpo
, CPO_LISP
) != NULL
);
8113 realpos
= curwin
->w_cursor
;
8114 curwin
->w_cursor
.col
= 0;
8116 if ((pos
= findmatch(NULL
, '(')) == NULL
)
8117 pos
= findmatch(NULL
, '[');
8121 pos
= findmatch(NULL
, '[');
8122 if (pos
== NULL
|| ltp(pos
, &paren
))
8127 /* Extra trick: Take the indent of the first previous non-white
8128 * line that is at the same () level. */
8132 while (--curwin
->w_cursor
.lnum
>= pos
->lnum
)
8134 if (linewhite(curwin
->w_cursor
.lnum
))
8136 for (that
= ml_get_curline(); *that
!= NUL
; ++that
)
8140 while (*(that
+ 1) != NUL
)
8146 if (*(that
+ 1) != NUL
)
8150 if (*that
== '"' && *(that
+ 1) != NUL
)
8152 while (*++that
&& *that
!= '"')
8154 /* skipping escaped characters in the string */
8167 if (*that
== '(' || *that
== '[')
8169 else if (*that
== ')' || *that
== ']')
8172 if (parencount
== 0)
8174 amount
= get_indent();
8181 curwin
->w_cursor
.lnum
= pos
->lnum
;
8182 curwin
->w_cursor
.col
= pos
->col
;
8185 that
= ml_get_curline();
8187 if (vi_lisp
&& get_indent() == 0)
8192 while (*that
&& col
)
8194 amount
+= lbr_chartabsize_adv(&that
, (colnr_T
)amount
);
8199 * Some keywords require "body" indenting rules (the
8200 * non-standard-lisp ones are Scheme special forms):
8202 * (let ((a 1)) instead (let ((a 1))
8206 if (!vi_lisp
&& (*that
== '(' || *that
== '[')
8207 && lisp_match(that
+ 1))
8215 while (vim_iswhite(*that
))
8217 amount
+= lbr_chartabsize(that
, (colnr_T
)amount
);
8221 if (*that
&& *that
!= ';') /* not a comment line */
8223 /* test *that != '(' to accomodate first let/do
8224 * argument if it is more than one line */
8225 if (!vi_lisp
&& *that
!= '(' && *that
!= '[')
8235 && (*that
< '0' || *that
> '9')))
8238 && (!vim_iswhite(*that
)
8241 && (!((*that
== '(' || *that
== '[')
8247 quotecount
= !quotecount
;
8248 if ((*that
== '(' || *that
== '[')
8251 if ((*that
== ')' || *that
== ']')
8254 if (*that
== '\\' && *(that
+1) != NUL
)
8255 amount
+= lbr_chartabsize_adv(&that
,
8257 amount
+= lbr_chartabsize_adv(&that
,
8261 while (vim_iswhite(*that
))
8263 amount
+= lbr_chartabsize(that
, (colnr_T
)amount
);
8266 if (!*that
|| *that
== ';')
8274 amount
= 0; /* no matching '(' or '[' found, use zero indent */
8276 curwin
->w_cursor
= realpos
;
8280 #endif /* FEAT_LISP */
8285 #if defined(SIGHUP) && defined(SIG_IGN)
8286 /* Ignore SIGHUP, because a dropped connection causes a read error, which
8287 * makes Vim exit and then handling SIGHUP causes various reentrance
8289 signal(SIGHUP
, SIG_IGN
);
8296 out_trash(); /* trash any pending output */
8301 windgoto((int)Rows
- 1, 0);
8304 * Switch terminal mode back now, so messages end up on the "normal"
8305 * screen (if there are two screens).
8307 settmode(TMODE_COOK
);
8309 if (can_end_termcap_mode(FALSE
) == TRUE
)
8317 * Preserve files and exit.
8318 * When called IObuff must contain a message.
8327 /* Setting this will prevent free() calls. That avoids calling free()
8328 * recursively when free() was invoked with a bad pointer. */
8329 really_exiting
= TRUE
;
8332 screen_start(); /* don't know where cursor is now */
8335 ml_close_notmod(); /* close all not-modified buffers */
8337 for (buf
= firstbuf
; buf
!= NULL
; buf
= buf
->b_next
)
8339 if (buf
->b_ml
.ml_mfp
!= NULL
&& buf
->b_ml
.ml_mfp
->mf_fname
!= NULL
)
8341 OUT_STR(_("Vim: preserving files...\n"));
8342 screen_start(); /* don't know where cursor is now */
8344 ml_sync_all(FALSE
, FALSE
); /* preserve all swap files */
8349 ml_close_all(FALSE
); /* close all memfiles, without deleting */
8351 OUT_STR(_("Vim: Finished.\n"));
8357 * return TRUE if "fname" exists.
8365 if (mch_stat((char *)fname
, &st
))
8371 * Check for CTRL-C pressed, but only once in a while.
8372 * Should be used instead of ui_breakcheck() for functions that check for
8373 * each line in the file. Calling ui_breakcheck() each time takes too much
8374 * time, because it can be a system call.
8377 #ifndef BREAKCHECK_SKIP
8378 # ifdef FEAT_GUI /* assume the GUI only runs on fast computers */
8379 # define BREAKCHECK_SKIP 200
8381 # define BREAKCHECK_SKIP 32
8385 static int breakcheck_count
= 0;
8390 if (++breakcheck_count
>= BREAKCHECK_SKIP
)
8392 breakcheck_count
= 0;
8398 * Like line_breakcheck() but check 10 times less often.
8403 if (++breakcheck_count
>= BREAKCHECK_SKIP
* 10)
8405 breakcheck_count
= 0;
8411 * Expand wildcards. Calls gen_expand_wildcards() and removes files matching
8413 * Returns OK or FAIL.
8416 expand_wildcards(num_pat
, pat
, num_file
, file
, flags
)
8417 int num_pat
; /* number of input patterns */
8418 char_u
**pat
; /* array of input patterns */
8419 int *num_file
; /* resulting number of files */
8420 char_u
***file
; /* array of resulting files */
8421 int flags
; /* EW_DIR, etc. */
8426 int non_suf_match
; /* number without matching suffix */
8428 retval
= gen_expand_wildcards(num_pat
, pat
, num_file
, file
, flags
);
8430 /* When keeping all matches, return here */
8431 if (flags
& EW_KEEPALL
)
8436 * Remove names that match 'wildignore'.
8442 /* check all files in (*file)[] */
8443 for (i
= 0; i
< *num_file
; ++i
)
8445 ffname
= FullName_save((*file
)[i
], FALSE
);
8446 if (ffname
== NULL
) /* out of memory */
8449 vms_remove_version(ffname
);
8451 if (match_file_list(p_wig
, (*file
)[i
], ffname
))
8453 /* remove this matching file from the list */
8454 vim_free((*file
)[i
]);
8455 for (j
= i
; j
+ 1 < *num_file
; ++j
)
8456 (*file
)[j
] = (*file
)[j
+ 1];
8466 * Move the names where 'suffixes' match to the end.
8471 for (i
= 0; i
< *num_file
; ++i
)
8473 if (!match_suffix((*file
)[i
]))
8476 * Move the name without matching suffix to the front
8480 for (j
= i
; j
> non_suf_match
; --j
)
8481 (*file
)[j
] = (*file
)[j
- 1];
8482 (*file
)[non_suf_match
++] = p
;
8491 * Return TRUE if "fname" matches with an entry in 'suffixes'.
8497 int fnamelen
, setsuflen
;
8499 #define MAXSUFLEN 30 /* maximum length of a file suffix */
8500 char_u suf_buf
[MAXSUFLEN
];
8502 fnamelen
= (int)STRLEN(fname
);
8504 for (setsuf
= p_su
; *setsuf
; )
8506 setsuflen
= copy_option_part(&setsuf
, suf_buf
, MAXSUFLEN
, ".,");
8507 if (fnamelen
>= setsuflen
8508 && fnamencmp(suf_buf
, fname
+ fnamelen
- setsuflen
,
8509 (size_t)setsuflen
) == 0)
8513 return (setsuflen
!= 0);
8516 #if !defined(NO_EXPANDPATH) || defined(PROTO)
8518 # ifdef VIM_BACKTICK
8519 static int vim_backtick
__ARGS((char_u
*p
));
8520 static int expand_backtick
__ARGS((garray_T
*gap
, char_u
*pat
, int flags
));
8523 # if defined(MSDOS) || defined(FEAT_GUI_W16) || defined(WIN3264)
8525 * File name expansion code for MS-DOS, Win16 and Win32. It's here because
8526 * it's shared between these systems.
8528 # if defined(DJGPP) || defined(PROTO)
8529 # define _cdecl /* DJGPP doesn't have this */
8531 # ifdef __BORLANDC__
8532 # define _cdecl _RTLENTRYF
8537 * comparison function for qsort in dos_expandpath()
8540 pstrcmp(const void *a
, const void *b
)
8542 return (pathcmp(*(char **)a
, *(char **)b
, -1));
8552 if (USE_LONG_FNAME
) /* don't lower case on Windows 95/NT systems */
8558 *d
++ = TOLOWER_LOC(*s
++);
8564 * Recursively expand one path component into all matching files and/or
8565 * directories. Adds matches to "gap". Handles "*", "?", "[a-z]", "**", etc.
8566 * Return the number of matches found.
8567 * "path" has backslashes before chars that are not to be expanded, starting
8568 * at "path[wildoff]".
8569 * Return the number of matches found.
8570 * NOTE: much of this is identical to unix_expandpath(), keep in sync!
8577 int flags
, /* EW_* flags */
8578 int didstar
) /* expanded "**" once already */
8583 int start_len
= gap
->ga_len
;
8585 regmatch_T regmatch
;
8586 int starts_with_dot
;
8589 int starstar
= FALSE
;
8590 static int stardepth
= 0; /* depth for "**" expansion */
8593 HANDLE hFind
= (HANDLE
)0;
8595 WIN32_FIND_DATAW wfb
;
8596 WCHAR
*wn
= NULL
; /* UCS-2 name, NULL when not used. */
8604 /* Expanding "**" may take a long time, check for CTRL-C. */
8612 /* make room for file name */
8613 buf
= alloc((int)STRLEN(path
) + BASENAMELEN
+ 5);
8618 * Find the first part in the path name that contains a wildcard or a ~1.
8619 * Copy it into buf, including the preceding characters.
8625 while (*path_end
!= NUL
)
8627 /* May ignore a wildcard that has a backslash before it; it will
8628 * be removed by rem_backslash() or file_pat_to_reg_pat() below. */
8629 if (path_end
>= path
+ wildoff
&& rem_backslash(path_end
))
8631 else if (*path_end
== '\\' || *path_end
== ':' || *path_end
== '/')
8637 else if (path_end
>= path
+ wildoff
8638 && vim_strchr((char_u
*)"*?[~", *path_end
) != NULL
)
8643 len
= (*mb_ptr2len
)(path_end
);
8644 STRNCPY(p
, path_end
, len
);
8655 /* now we have one wildcard component between s and e */
8656 /* Remove backslashes between "wildoff" and the start of the wildcard
8658 for (p
= buf
+ wildoff
; p
< s
; ++p
)
8659 if (rem_backslash(p
))
8661 mch_memmove(p
, p
+ 1, STRLEN(p
));
8666 /* Check for "**" between "s" and "e". */
8667 for (p
= s
; p
< e
; ++p
)
8668 if (p
[0] == '*' && p
[1] == '*')
8671 starts_with_dot
= (*s
== '.');
8672 pat
= file_pat_to_reg_pat(s
, e
, NULL
, FALSE
);
8679 /* compile the regexp into a program */
8680 regmatch
.rm_ic
= TRUE
; /* Always ignore case */
8681 regmatch
.regprog
= vim_regcomp(pat
, RE_MAGIC
);
8684 if (regmatch
.regprog
== NULL
)
8690 /* remember the pattern or file name being looked for */
8691 matchname
= vim_strsave(s
);
8693 /* If "**" is by itself, this is the first time we encounter it and more
8694 * is following then find matches without any directory. */
8695 if (!didstar
&& stardepth
< 100 && starstar
&& e
- s
== 2
8696 && *path_end
== '/')
8698 STRCPY(s
, path_end
+ 1);
8700 (void)dos_expandpath(gap
, buf
, (int)(s
- buf
), flags
, TRUE
);
8704 /* Scan all files in the directory with "dir/ *.*" */
8708 if (enc_codepage
>= 0 && (int)GetACP() != enc_codepage
)
8710 /* The active codepage differs from 'encoding'. Attempt using the
8711 * wide function. If it fails because it is not implemented fall back
8712 * to the non-wide version (for Windows 98) */
8713 wn
= enc_to_ucs2(buf
, NULL
);
8716 hFind
= FindFirstFileW(wn
, &wfb
);
8717 if (hFind
== INVALID_HANDLE_VALUE
8718 && GetLastError() == ERROR_CALL_NOT_IMPLEMENTED
)
8728 hFind
= FindFirstFile(buf
, &fb
);
8729 ok
= (hFind
!= INVALID_HANDLE_VALUE
);
8731 /* If we are expanding wildcards we try both files and directories */
8732 ok
= (findfirst((char *)buf
, &fb
,
8733 (*path_end
!= NUL
|| (flags
& EW_DIR
)) ? FA_DIREC
: 0) == 0);
8741 p
= ucs2_to_enc(wfb
.cFileName
, NULL
); /* p is allocated here */
8744 p
= (char_u
*)fb
.cFileName
;
8746 p
= (char_u
*)fb
.ff_name
;
8748 /* Ignore entries starting with a dot, unless when asked for. Accept
8749 * all entries found with "matchname". */
8750 if ((p
[0] != '.' || starts_with_dot
)
8751 && (matchname
== NULL
8752 || vim_regexec(®match
, p
, (colnr_T
)0)))
8759 len
= (int)STRLEN(buf
);
8761 if (starstar
&& stardepth
< 100)
8763 /* For "**" in the pattern first go deeper in the tree to
8765 STRCPY(buf
+ len
, "/**");
8766 STRCPY(buf
+ len
+ 3, path_end
);
8768 (void)dos_expandpath(gap
, buf
, len
+ 1, flags
, TRUE
);
8772 STRCPY(buf
+ len
, path_end
);
8773 if (mch_has_exp_wildcard(path_end
))
8775 /* need to expand another component of the path */
8776 /* remove backslashes for the remaining components only */
8777 (void)dos_expandpath(gap
, buf
, len
+ 1, flags
, FALSE
);
8781 /* no more wildcards, check if there is a match */
8782 /* remove backslashes for the remaining components only */
8784 backslash_halve(buf
+ len
+ 1);
8785 if (mch_getperm(buf
) >= 0) /* add existing file */
8786 addfile(gap
, buf
, flags
);
8795 ok
= FindNextFileW(hFind
, &wfb
);
8799 ok
= FindNextFile(hFind
, &fb
);
8801 ok
= (findnext(&fb
) == 0);
8804 /* If no more matches and no match was used, try expanding the name
8805 * itself. Finds the long name of a short filename. */
8806 if (!ok
&& matchname
!= NULL
&& gap
->ga_len
== start_len
)
8808 STRCPY(s
, matchname
);
8815 wn
= enc_to_ucs2(buf
, NULL
);
8817 hFind
= FindFirstFileW(wn
, &wfb
);
8821 hFind
= FindFirstFile(buf
, &fb
);
8822 ok
= (hFind
!= INVALID_HANDLE_VALUE
);
8824 ok
= (findfirst((char *)buf
, &fb
,
8825 (*path_end
!= NUL
|| (flags
& EW_DIR
)) ? FA_DIREC
: 0) == 0);
8827 vim_free(matchname
);
8839 vim_free(regmatch
.regprog
);
8840 vim_free(matchname
);
8842 matches
= gap
->ga_len
- start_len
;
8844 qsort(((char_u
**)gap
->ga_data
) + start_len
, (size_t)matches
,
8845 sizeof(char_u
*), pstrcmp
);
8853 int flags
) /* EW_* flags */
8855 return dos_expandpath(gap
, path
, 0, flags
, FALSE
);
8857 # endif /* MSDOS || FEAT_GUI_W16 || WIN3264 */
8859 #if (defined(UNIX) && !defined(VMS)) || defined(USE_UNIXFILENAME) \
8862 * Unix style wildcard expansion code.
8863 * It's here because it's used both for Unix and Mac.
8865 static int pstrcmp
__ARGS((const void *, const void *));
8871 return (pathcmp(*(char **)a
, *(char **)b
, -1));
8875 * Recursively expand one path component into all matching files and/or
8876 * directories. Adds matches to "gap". Handles "*", "?", "[a-z]", "**", etc.
8877 * "path" has backslashes before chars that are not to be expanded, starting
8878 * at "path + wildoff".
8879 * Return the number of matches found.
8880 * NOTE: much of this is identical to dos_expandpath(), keep in sync!
8883 unix_expandpath(gap
, path
, wildoff
, flags
, didstar
)
8887 int flags
; /* EW_* flags */
8888 int didstar
; /* expanded "**" once already */
8893 int start_len
= gap
->ga_len
;
8895 regmatch_T regmatch
;
8896 int starts_with_dot
;
8899 int starstar
= FALSE
;
8900 static int stardepth
= 0; /* depth for "**" expansion */
8905 /* Expanding "**" may take a long time, check for CTRL-C. */
8913 /* make room for file name */
8914 buf
= alloc((int)STRLEN(path
) + BASENAMELEN
+ 5);
8919 * Find the first part in the path name that contains a wildcard.
8920 * Copy it into "buf", including the preceding characters.
8926 while (*path_end
!= NUL
)
8928 /* May ignore a wildcard that has a backslash before it; it will
8929 * be removed by rem_backslash() or file_pat_to_reg_pat() below. */
8930 if (path_end
>= path
+ wildoff
&& rem_backslash(path_end
))
8932 else if (*path_end
== '/')
8938 else if (path_end
>= path
+ wildoff
8939 && vim_strchr((char_u
*)"*?[{~$", *path_end
) != NULL
)
8944 len
= (*mb_ptr2len
)(path_end
);
8945 STRNCPY(p
, path_end
, len
);
8956 /* now we have one wildcard component between "s" and "e" */
8957 /* Remove backslashes between "wildoff" and the start of the wildcard
8959 for (p
= buf
+ wildoff
; p
< s
; ++p
)
8960 if (rem_backslash(p
))
8962 mch_memmove(p
, p
+ 1, STRLEN(p
));
8967 /* Check for "**" between "s" and "e". */
8968 for (p
= s
; p
< e
; ++p
)
8969 if (p
[0] == '*' && p
[1] == '*')
8972 /* convert the file pattern to a regexp pattern */
8973 starts_with_dot
= (*s
== '.');
8974 pat
= file_pat_to_reg_pat(s
, e
, NULL
, FALSE
);
8981 /* compile the regexp into a program */
8982 #ifdef CASE_INSENSITIVE_FILENAME
8983 regmatch
.rm_ic
= TRUE
; /* Behave like Terminal.app */
8985 regmatch
.rm_ic
= FALSE
; /* Don't ever ignore case */
8987 regmatch
.regprog
= vim_regcomp(pat
, RE_MAGIC
);
8990 if (regmatch
.regprog
== NULL
)
8996 /* If "**" is by itself, this is the first time we encounter it and more
8997 * is following then find matches without any directory. */
8998 if (!didstar
&& stardepth
< 100 && starstar
&& e
- s
== 2
8999 && *path_end
== '/')
9001 STRCPY(s
, path_end
+ 1);
9003 (void)unix_expandpath(gap
, buf
, (int)(s
- buf
), flags
, TRUE
);
9007 /* open the directory for scanning */
9009 dirp
= opendir(*buf
== NUL
? "." : (char *)buf
);
9011 /* Find all matching entries */
9019 if ((dp
->d_name
[0] != '.' || starts_with_dot
)
9020 && vim_regexec(®match
, (char_u
*)dp
->d_name
, (colnr_T
)0))
9022 STRCPY(s
, dp
->d_name
);
9025 if (starstar
&& stardepth
< 100)
9027 /* For "**" in the pattern first go deeper in the tree to
9029 STRCPY(buf
+ len
, "/**");
9030 STRCPY(buf
+ len
+ 3, path_end
);
9032 (void)unix_expandpath(gap
, buf
, len
+ 1, flags
, TRUE
);
9036 STRCPY(buf
+ len
, path_end
);
9037 if (mch_has_exp_wildcard(path_end
)) /* handle more wildcards */
9039 /* need to expand another component of the path */
9040 /* remove backslashes for the remaining components only */
9041 (void)unix_expandpath(gap
, buf
, len
+ 1, flags
, FALSE
);
9045 /* no more wildcards, check if there is a match */
9046 /* remove backslashes for the remaining components only */
9047 if (*path_end
!= NUL
)
9048 backslash_halve(buf
+ len
+ 1);
9049 if (mch_getperm(buf
) >= 0) /* add existing file */
9051 #ifdef MACOS_CONVERT
9052 size_t precomp_len
= STRLEN(buf
)+1;
9053 char_u
*precomp_buf
=
9054 mac_precompose_path(buf
, precomp_len
, &precomp_len
);
9058 mch_memmove(buf
, precomp_buf
, precomp_len
);
9059 vim_free(precomp_buf
);
9062 addfile(gap
, buf
, flags
);
9072 vim_free(regmatch
.regprog
);
9074 matches
= gap
->ga_len
- start_len
;
9076 qsort(((char_u
**)gap
->ga_data
) + start_len
, matches
,
9077 sizeof(char_u
*), pstrcmp
);
9083 * Generic wildcard expansion code.
9085 * Characters in "pat" that should not be expanded must be preceded with a
9086 * backslash. E.g., "/path\ with\ spaces/my\*star*"
9088 * Return FAIL when no single file was found. In this case "num_file" is not
9089 * set, and "file" may contain an error message.
9090 * Return OK when some files found. "num_file" is set to the number of
9091 * matches, "file" to the array of matches. Call FreeWild() later.
9094 gen_expand_wildcards(num_pat
, pat
, num_file
, file
, flags
)
9095 int num_pat
; /* number of input patterns */
9096 char_u
**pat
; /* array of input patterns */
9097 int *num_file
; /* resulting number of files */
9098 char_u
***file
; /* array of resulting files */
9099 int flags
; /* EW_* flags */
9104 static int recursive
= FALSE
;
9108 * expand_env() is called to expand things like "~user". If this fails,
9109 * it calls ExpandOne(), which brings us back here. In this case, always
9110 * call the machine specific expansion function, if possible. Otherwise,
9114 #ifdef SPECIAL_WILDCHAR
9115 return mch_expand_wildcards(num_pat
, pat
, num_file
, file
, flags
);
9120 #ifdef SPECIAL_WILDCHAR
9122 * If there are any special wildcard characters which we cannot handle
9123 * here, call machine specific function for all the expansion. This
9124 * avoids starting the shell for each argument separately.
9125 * For `=expr` do use the internal function.
9127 for (i
= 0; i
< num_pat
; i
++)
9129 if (vim_strpbrk(pat
[i
], (char_u
*)SPECIAL_WILDCHAR
) != NULL
9130 # ifdef VIM_BACKTICK
9131 && !(vim_backtick(pat
[i
]) && pat
[i
][1] == '=')
9134 return mch_expand_wildcards(num_pat
, pat
, num_file
, file
, flags
);
9141 * The matching file names are stored in a growarray. Init it empty.
9143 ga_init2(&ga
, (int)sizeof(char_u
*), 30);
9145 for (i
= 0; i
< num_pat
; ++i
)
9151 if (vim_backtick(p
))
9152 add_pat
= expand_backtick(&ga
, p
, flags
);
9157 * First expand environment variables, "~/" and "~user/".
9159 if (vim_strpbrk(p
, (char_u
*)"$~") != NULL
)
9161 p
= expand_env_save_opt(p
, TRUE
);
9166 * On Unix, if expand_env() can't expand an environment
9167 * variable, use the shell to do that. Discard previously
9168 * found file names and start all over again.
9170 else if (vim_strpbrk(p
, (char_u
*)"$~") != NULL
)
9174 i
= mch_expand_wildcards(num_pat
, pat
, num_file
, file
,
9183 * If there are wildcards: Expand file names and add each match to
9184 * the list. If there is no match, and EW_NOTFOUND is given, add
9186 * If there are no wildcards: Add the file name if it exists or
9187 * when EW_NOTFOUND is given.
9189 if (mch_has_exp_wildcard(p
))
9190 add_pat
= mch_expandpath(&ga
, p
, flags
);
9193 if (add_pat
== -1 || (add_pat
== 0 && (flags
& EW_NOTFOUND
)))
9195 char_u
*t
= backslash_halve_save(p
);
9197 #if defined(MACOS_CLASSIC)
9200 /* When EW_NOTFOUND is used, always add files and dirs. Makes
9201 * "vim c:/" work. */
9202 if (flags
& EW_NOTFOUND
)
9203 addfile(&ga
, t
, flags
| EW_DIR
| EW_FILE
);
9204 else if (mch_getperm(t
) >= 0)
9205 addfile(&ga
, t
, flags
);
9213 *num_file
= ga
.ga_len
;
9214 *file
= (ga
.ga_data
!= NULL
) ? (char_u
**)ga
.ga_data
: (char_u
**)"";
9218 return (ga
.ga_data
!= NULL
) ? OK
: FAIL
;
9221 # ifdef VIM_BACKTICK
9224 * Return TRUE if we can expand this backtick thing here.
9230 return (*p
== '`' && *(p
+ 1) != NUL
&& *(p
+ STRLEN(p
) - 1) == '`');
9234 * Expand an item in `backticks` by executing it as a command.
9235 * Currently only works when pat[] starts and ends with a `.
9236 * Returns number of file names found.
9239 expand_backtick(gap
, pat
, flags
)
9242 int flags
; /* EW_* flags */
9250 /* Create the command: lop off the backticks. */
9251 cmd
= vim_strnsave(pat
+ 1, (int)STRLEN(pat
) - 2);
9256 if (*cmd
== '=') /* `={expr}`: Expand expression */
9257 buffer
= eval_to_string(cmd
+ 1, &p
, TRUE
);
9260 buffer
= get_cmd_output(cmd
, NULL
,
9261 (flags
& EW_SILENT
) ? SHELL_SILENT
: 0);
9269 cmd
= skipwhite(cmd
); /* skip over white space */
9271 while (*p
!= NUL
&& *p
!= '\r' && *p
!= '\n') /* skip over entry */
9273 /* add an entry if it is not empty */
9278 addfile(gap
, cmd
, flags
);
9283 while (*cmd
!= NUL
&& (*cmd
== '\r' || *cmd
== '\n'))
9290 # endif /* VIM_BACKTICK */
9293 * Add a file to a file list. Accepted flags:
9294 * EW_DIR add directories
9296 * EW_EXEC add executable files
9297 * EW_NOTFOUND add even when it doesn't exist
9298 * EW_ADDSLASH add slash after directory name
9301 addfile(gap
, f
, flags
)
9303 char_u
*f
; /* filename */
9309 /* if the file/dir doesn't exist, may not add it */
9310 if (!(flags
& EW_NOTFOUND
) && mch_getperm(f
) < 0)
9313 #ifdef FNAME_ILLEGAL
9314 /* if the file/dir contains illegal characters, don't add it */
9315 if (vim_strpbrk(f
, (char_u
*)FNAME_ILLEGAL
) != NULL
)
9319 isdir
= mch_isdir(f
);
9320 if ((isdir
&& !(flags
& EW_DIR
)) || (!isdir
&& !(flags
& EW_FILE
)))
9323 /* If the file isn't executable, may not add it. Do accept directories. */
9324 if (!isdir
&& (flags
& EW_EXEC
) && !mch_can_exe(f
))
9327 /* Make room for another item in the file list. */
9328 if (ga_grow(gap
, 1) == FAIL
)
9331 p
= alloc((unsigned)(STRLEN(f
) + 1 + isdir
));
9336 #ifdef BACKSLASH_IN_FILENAME
9340 * Append a slash or backslash after directory names if none is present.
9342 #ifndef DONT_ADD_PATHSEP_TO_DIR
9343 if (isdir
&& (flags
& EW_ADDSLASH
))
9346 ((char_u
**)gap
->ga_data
)[gap
->ga_len
++] = p
;
9348 #endif /* !NO_EXPANDPATH */
9350 #if defined(VIM_BACKTICK) || defined(FEAT_EVAL) || defined(PROTO)
9360 * Get the stdout of an external command.
9361 * Returns an allocated string, or NULL for error.
9364 get_cmd_output(cmd
, infile
, flags
)
9366 char_u
*infile
; /* optional input file name */
9367 int flags
; /* can be SHELL_SILENT */
9371 char_u
*buffer
= NULL
;
9376 if (check_restricted() || check_secure())
9379 /* get a name for the temp file */
9380 if ((tempname
= vim_tempname('o')) == NULL
)
9386 /* Add the redirection stuff */
9387 command
= make_filter_cmd(cmd
, infile
, tempname
);
9388 if (command
== NULL
)
9392 * Call the shell to execute the command (errors are ignored).
9393 * Don't check timestamps here.
9395 ++no_check_timestamps
;
9396 call_shell(command
, SHELL_DOOUT
| SHELL_EXPAND
| flags
);
9397 --no_check_timestamps
;
9402 * read the names from the file into memory
9405 /* created temporary file is not always readable as binary */
9406 fd
= mch_fopen((char *)tempname
, "r");
9408 fd
= mch_fopen((char *)tempname
, READBIN
);
9413 EMSG2(_(e_notopen
), tempname
);
9417 fseek(fd
, 0L, SEEK_END
);
9418 len
= ftell(fd
); /* get size of temp file */
9419 fseek(fd
, 0L, SEEK_SET
);
9421 buffer
= alloc(len
+ 1);
9423 i
= (int)fread((char *)buffer
, (size_t)1, (size_t)len
, fd
);
9425 mch_remove(tempname
);
9429 len
= i
; /* VMS doesn't give us what we asked for... */
9433 EMSG2(_(e_notread
), tempname
);
9438 buffer
[len
] = '\0'; /* make sure the buffer is terminated */
9447 * Free the list of files returned by expand_wildcards() or other expansion
9451 FreeWild(count
, files
)
9455 if (count
<= 0 || files
== NULL
)
9457 #if defined(__EMX__) && defined(__ALWAYS_HAS_TRAILING_NULL_POINTER) /* XXX */
9459 * Is this still OK for when other functions than expand_wildcards() have
9462 _fnexplodefree((char **)files
);
9465 vim_free(files
[count
]);
9471 * return TRUE when need to go to Insert mode because of 'insertmode'.
9472 * Don't do this when still processing a command or a mapping.
9473 * Don't do this when inside a ":normal" command.
9478 return (p_im
&& stuff_empty() && typebuf_typed());