1 /* vi:set ts=8 sts=4 sw=4:
3 * VIM - Vi IMproved by Bram Moolenaar
5 * Do ":help uganda" in Vim to read copying and usage conditions.
6 * Do ":help credits" in Vim to see a list of people who contributed.
7 * See README.txt for an overview of the Vim source code.
11 * misc1.c: functions that didn't seem to fit elsewhere
17 static char_u
*vim_version_dir
__ARGS((char_u
*vimdir
));
18 static char_u
*remove_tail
__ARGS((char_u
*p
, char_u
*pend
, char_u
*name
));
19 static int copy_indent
__ARGS((int size
, char_u
*src
));
22 * Count the size (in window cells) of the indent in the current line.
27 return get_indent_str(ml_get_curline(), (int)curbuf
->b_p_ts
);
31 * Count the size (in window cells) of the indent in line "lnum".
37 return get_indent_str(ml_get(lnum
), (int)curbuf
->b_p_ts
);
40 #if defined(FEAT_FOLDING) || defined(PROTO)
42 * Count the size (in window cells) of the indent in line "lnum" of buffer
46 get_indent_buf(buf
, lnum
)
50 return get_indent_str(ml_get_buf(buf
, lnum
, FALSE
), (int)buf
->b_p_ts
);
55 * count the size (in window cells) of the indent in line "ptr", with
59 get_indent_str(ptr
, ts
)
67 if (*ptr
== TAB
) /* count a tab for what it is worth */
68 count
+= ts
- (count
% ts
);
70 ++count
; /* count a space for one */
78 * Set the indent of the current line.
79 * Leaves the cursor on the first non-blank in the line.
80 * Caller must take care of undo.
82 * SIN_CHANGED: call changed_bytes() if the line was changed.
83 * SIN_INSERT: insert the indent in front of the line.
84 * SIN_UNDO: save line for undo before changing it.
85 * Returns TRUE if the line was changed.
88 set_indent(size
, flags
)
89 int size
; /* measured in spaces */
97 int ind_len
; /* measured in characters */
100 int ind_done
= 0; /* measured in spaces */
103 int orig_char_len
= -1; /* number of initial whitespace chars when
104 'et' and 'pi' are both set */
107 * First check if there is anything to do and compute the number of
108 * characters needed for the indent.
112 p
= oldline
= ml_get_curline();
114 /* Calculate the buffer size for the new indent, and check to see if it
115 * isn't already set */
117 /* if 'expandtab' isn't set: use TABs; if both 'expandtab' and
118 * 'preserveindent' are set count the number of characters at the
119 * beginning of the line to be copied */
120 if (!curbuf
->b_p_et
|| (!(flags
& SIN_INSERT
) && curbuf
->b_p_pi
))
122 /* If 'preserveindent' is set then reuse as much as possible of
123 * the existing indent structure for the new indent */
124 if (!(flags
& SIN_INSERT
) && curbuf
->b_p_pi
)
128 /* count as many characters as we can use */
129 while (todo
> 0 && vim_iswhite(*p
))
133 tab_pad
= (int)curbuf
->b_p_ts
134 - (ind_done
% (int)curbuf
->b_p_ts
);
135 /* stop if this tab will overshoot the target */
151 /* Set initial number of whitespace chars to copy if we are
152 * preserving indent but expandtab is set */
154 orig_char_len
= ind_len
;
156 /* Fill to next tabstop with a tab, if possible */
157 tab_pad
= (int)curbuf
->b_p_ts
- (ind_done
% (int)curbuf
->b_p_ts
);
158 if (todo
>= tab_pad
&& orig_char_len
== -1)
163 /* ind_done += tab_pad; */
167 /* count tabs required for indent */
168 while (todo
>= (int)curbuf
->b_p_ts
)
174 todo
-= (int)curbuf
->b_p_ts
;
176 /* ind_done += (int)curbuf->b_p_ts; */
179 /* count spaces required for indent */
191 /* Return if the indent is OK already. */
192 if (!doit
&& !vim_iswhite(*p
) && !(flags
& SIN_INSERT
))
195 /* Allocate memory for the new line. */
196 if (flags
& SIN_INSERT
)
200 line_len
= (int)STRLEN(p
) + 1;
202 /* If 'preserveindent' and 'expandtab' are both set keep the original
203 * characters and allocate accordingly. We will fill the rest with spaces
204 * after the if (!curbuf->b_p_et) below. */
205 if (orig_char_len
!= -1)
207 newline
= alloc(orig_char_len
+ size
- ind_done
+ line_len
);
210 todo
= size
- ind_done
;
211 ind_len
= orig_char_len
+ todo
; /* Set total length of indent in
212 * characters, which may have been
213 * undercounted until now */
216 while (orig_char_len
> 0)
222 /* Skip over any additional white space (useful when newindent is less
224 while (vim_iswhite(*p
))
231 newline
= alloc(ind_len
+ line_len
);
237 /* Put the characters in the new line. */
238 /* if 'expandtab' isn't set: use TABs */
241 /* If 'preserveindent' is set then reuse as much as possible of
242 * the existing indent structure for the new indent */
243 if (!(flags
& SIN_INSERT
) && curbuf
->b_p_pi
)
248 while (todo
> 0 && vim_iswhite(*p
))
252 tab_pad
= (int)curbuf
->b_p_ts
253 - (ind_done
% (int)curbuf
->b_p_ts
);
254 /* stop if this tab will overshoot the target */
268 /* Fill to next tabstop with a tab, if possible */
269 tab_pad
= (int)curbuf
->b_p_ts
- (ind_done
% (int)curbuf
->b_p_ts
);
279 while (todo
>= (int)curbuf
->b_p_ts
)
282 todo
-= (int)curbuf
->b_p_ts
;
290 mch_memmove(s
, p
, (size_t)line_len
);
292 /* Replace the line (unless undo fails). */
293 if (!(flags
& SIN_UNDO
) || u_savesub(curwin
->w_cursor
.lnum
) == OK
)
295 ml_replace(curwin
->w_cursor
.lnum
, newline
, FALSE
);
296 if (flags
& SIN_CHANGED
)
297 changed_bytes(curwin
->w_cursor
.lnum
, 0);
298 /* Correct saved cursor position if it's after the indent. */
299 if (saved_cursor
.lnum
== curwin
->w_cursor
.lnum
300 && saved_cursor
.col
>= (colnr_T
)(p
- oldline
))
301 saved_cursor
.col
+= ind_len
- (colnr_T
)(p
- oldline
);
307 curwin
->w_cursor
.col
= ind_len
;
312 * Copy the indent from ptr to the current line (and fill to size)
313 * Leaves the cursor on the first non-blank in the line.
314 * Returns TRUE if the line was changed.
317 copy_indent(size
, src
)
331 /* Round 1: compute the number of characters needed for the indent
332 * Round 2: copy the characters. */
333 for (round
= 1; round
<= 2; ++round
)
340 /* Count/copy the usable portion of the source line */
341 while (todo
> 0 && vim_iswhite(*s
))
345 tab_pad
= (int)curbuf
->b_p_ts
346 - (ind_done
% (int)curbuf
->b_p_ts
);
347 /* Stop if this tab will overshoot the target */
364 /* Fill to next tabstop with a tab, if possible */
365 tab_pad
= (int)curbuf
->b_p_ts
- (ind_done
% (int)curbuf
->b_p_ts
);
374 /* Add tabs required for indent */
375 while (todo
>= (int)curbuf
->b_p_ts
)
377 todo
-= (int)curbuf
->b_p_ts
;
383 /* Count/add spaces required for indent */
394 /* Allocate memory for the result: the copied indent, new indent
395 * and the rest of the line. */
396 line_len
= (int)STRLEN(ml_get_curline()) + 1;
397 line
= alloc(ind_len
+ line_len
);
404 /* Append the original line */
405 mch_memmove(p
, ml_get_curline(), (size_t)line_len
);
407 /* Replace the line */
408 ml_replace(curwin
->w_cursor
.lnum
, line
, FALSE
);
410 /* Put the cursor after the indent. */
411 curwin
->w_cursor
.col
= ind_len
;
416 * Return the indent of the current line after a number. Return -1 if no
417 * number was found. Used for 'n' in 'formatoptions': numbered list.
418 * Since a pattern is used it can actually handle more than numbers.
421 get_number_indent(lnum
)
426 regmmatch_T regmatch
;
428 if (lnum
> curbuf
->b_ml
.ml_line_count
)
431 regmatch
.regprog
= vim_regcomp(curbuf
->b_p_flp
, RE_MAGIC
);
432 if (regmatch
.regprog
!= NULL
)
434 regmatch
.rmm_ic
= FALSE
;
435 regmatch
.rmm_maxcol
= 0;
436 if (vim_regexec_multi(®match
, curwin
, curbuf
, lnum
,
439 pos
.lnum
= regmatch
.endpos
[0].lnum
+ lnum
;
440 pos
.col
= regmatch
.endpos
[0].col
;
441 #ifdef FEAT_VIRTUALEDIT
445 vim_free(regmatch
.regprog
);
448 if (pos
.lnum
== 0 || *ml_get_pos(&pos
) == NUL
)
450 getvcol(curwin
, &pos
, &col
, NULL
, NULL
);
454 #if defined(FEAT_CINDENT) || defined(FEAT_SMARTINDENT)
456 static int cin_is_cinword
__ARGS((char_u
*line
));
459 * Return TRUE if the string "line" starts with a word from 'cinwords'.
471 cinw_len
= (int)STRLEN(curbuf
->b_p_cinw
) + 1;
472 cinw_buf
= alloc((unsigned)cinw_len
);
473 if (cinw_buf
!= NULL
)
475 line
= skipwhite(line
);
476 for (cinw
= curbuf
->b_p_cinw
; *cinw
; )
478 len
= copy_option_part(&cinw
, cinw_buf
, cinw_len
, ",");
479 if (STRNCMP(line
, cinw_buf
, len
) == 0
480 && (!vim_iswordc(line
[len
]) || !vim_iswordc(line
[len
- 1])))
493 * open_line: Add a new line below or above the current line.
495 * For VREPLACE mode, we only add a new line when we get to the end of the
496 * file, otherwise we just start replacing the next line.
498 * Caller must take care of undo. Since VREPLACE may affect any number of
499 * lines however, it may call u_save_cursor() again when starting to change a
501 * "flags": OPENLINE_DELSPACES delete spaces after cursor
502 * OPENLINE_DO_COM format comments
503 * OPENLINE_KEEPTRAIL keep trailing spaces
504 * OPENLINE_MARKFIX adjust mark positions after the line break
506 * Return TRUE for success, FALSE for failure
509 open_line(dir
, flags
, old_indent
)
510 int dir
; /* FORWARD or BACKWARD */
512 int old_indent
; /* indent for after ^^D in Insert mode */
514 char_u
*saved_line
; /* copy of the original line */
515 char_u
*next_line
= NULL
; /* copy of the next line */
516 char_u
*p_extra
= NULL
; /* what goes to next line */
517 int less_cols
= 0; /* less columns for mark in new line */
518 int less_cols_off
= 0; /* columns to skip for mark adjust */
519 pos_T old_cursor
; /* old cursor position */
520 int newcol
= 0; /* new cursor column */
521 int newindent
= 0; /* auto-indent of the new line */
523 int trunc_line
= FALSE
; /* truncate current line afterwards */
524 int retval
= FALSE
; /* return value, default is FAIL */
526 int extra_len
= 0; /* length of p_extra string */
527 int lead_len
; /* length of comment leader */
528 char_u
*lead_flags
; /* position in 'comments' for comment leader */
529 char_u
*leader
= NULL
; /* copy of comment leader */
531 char_u
*allocated
= NULL
; /* allocated memory */
532 #if defined(FEAT_SMARTINDENT) || defined(FEAT_VREPLACE) || defined(FEAT_LISP) \
533 || defined(FEAT_CINDENT) || defined(FEAT_COMMENTS)
536 int saved_char
= NUL
; /* init for GCC */
537 #if defined(FEAT_SMARTINDENT) || defined(FEAT_COMMENTS)
540 #ifdef FEAT_SMARTINDENT
541 int do_si
= (!p_paste
&& curbuf
->b_p_si
546 int no_si
= FALSE
; /* reset did_si afterwards */
547 int first_char
= NUL
; /* init for GCC */
549 #if defined(FEAT_VREPLACE) && (defined(FEAT_LISP) || defined(FEAT_CINDENT))
552 int did_append
; /* appended a new line */
553 int saved_pi
= curbuf
->b_p_pi
; /* copy of preserveindent setting */
556 * make a copy of the current line so we can mess with it
558 saved_line
= vim_strsave(ml_get_curline());
559 if (saved_line
== NULL
) /* out of memory! */
563 if (State
& VREPLACE_FLAG
)
566 * With VREPLACE we make a copy of the next line, which we will be
567 * starting to replace. First make the new line empty and let vim play
568 * with the indenting and comment leader to its heart's content. Then
569 * we grab what it ended up putting on the new line, put back the
570 * original line, and call ins_char() to put each new character onto
571 * the line, replacing what was there before and pushing the right
572 * stuff onto the replace stack. -- webb.
574 if (curwin
->w_cursor
.lnum
< orig_line_count
)
575 next_line
= vim_strsave(ml_get(curwin
->w_cursor
.lnum
+ 1));
577 next_line
= vim_strsave((char_u
*)"");
578 if (next_line
== NULL
) /* out of memory! */
582 * In VREPLACE mode, a NL replaces the rest of the line, and starts
583 * replacing the next line, so push all of the characters left on the
584 * line onto the replace stack. We'll push any other characters that
585 * might be replaced at the start of the next line (due to autoindent
588 replace_push(NUL
); /* Call twice because BS over NL expects it */
590 p
= saved_line
+ curwin
->w_cursor
.col
;
595 p
+= replace_push_mb(p
);
600 saved_line
[curwin
->w_cursor
.col
] = NUL
;
606 && !(State
& VREPLACE_FLAG
)
610 p_extra
= saved_line
+ curwin
->w_cursor
.col
;
611 #ifdef FEAT_SMARTINDENT
612 if (do_si
) /* need first char after new line break */
614 p
= skipwhite(p_extra
);
619 extra_len
= (int)STRLEN(p_extra
);
621 saved_char
= *p_extra
;
625 u_clearline(); /* cannot do "U" command when adding lines */
626 #ifdef FEAT_SMARTINDENT
632 * If we just did an auto-indent, then we didn't type anything on
633 * the prior line, and it should be truncated. Do this even if 'ai' is not
634 * set because automatically inserting a comment leader also sets did_ai.
636 if (dir
== FORWARD
&& did_ai
)
640 * If 'autoindent' and/or 'smartindent' is set, try to figure out what
641 * indent to use for the new line.
644 #ifdef FEAT_SMARTINDENT
650 * count white space on current line
652 newindent
= get_indent_str(saved_line
, (int)curbuf
->b_p_ts
);
654 newindent
= old_indent
; /* for ^^D command in insert mode */
656 #ifdef FEAT_SMARTINDENT
658 * Do smart indenting.
659 * In insert/replace mode (only when dir == FORWARD)
660 * we may move some text to the next line. If it starts with '{'
661 * don't add an indent. Fixes inserting a NL before '{' in line
664 if (!trunc_line
&& do_si
&& *saved_line
!= NUL
665 && (p_extra
== NULL
|| first_char
!= '{'))
670 old_cursor
= curwin
->w_cursor
;
672 # ifdef FEAT_COMMENTS
673 if (flags
& OPENLINE_DO_COM
)
674 lead_len
= get_leader_len(ptr
, NULL
, FALSE
);
681 * Skip preprocessor directives, unless they are
682 * recognised as comments.
685 # ifdef FEAT_COMMENTS
690 while (ptr
[0] == '#' && curwin
->w_cursor
.lnum
> 1)
691 ptr
= ml_get(--curwin
->w_cursor
.lnum
);
692 newindent
= get_indent();
694 # ifdef FEAT_COMMENTS
695 if (flags
& OPENLINE_DO_COM
)
696 lead_len
= get_leader_len(ptr
, NULL
, FALSE
);
702 * This case gets the following right:
704 * * A comment (read '\' as '/').
707 * This should line up here;
710 if (p
[0] == '/' && p
[1] == '*')
716 if (p
[0] == '/' && p
[-1] == '*')
719 * End of C comment, indent should line up
720 * with the line containing the start of
723 curwin
->w_cursor
.col
= (colnr_T
)(p
- ptr
);
724 if ((pos
= findmatch(NULL
, NUL
)) != NULL
)
726 curwin
->w_cursor
.lnum
= pos
->lnum
;
727 newindent
= get_indent();
733 else /* Not a comment line */
736 /* Find last non-blank in line */
737 p
= ptr
+ STRLEN(ptr
) - 1;
738 while (p
> ptr
&& vim_iswhite(*p
))
743 * find the character just before the '{' or ';'
745 if (last_char
== '{' || last_char
== ';')
749 while (p
> ptr
&& vim_iswhite(*p
))
753 * Try to catch lines that are split over multiple
757 * Should line up here!
762 curwin
->w_cursor
.col
= (colnr_T
)(p
- ptr
);
763 if ((pos
= findmatch(NULL
, '(')) != NULL
)
765 curwin
->w_cursor
.lnum
= pos
->lnum
;
766 newindent
= get_indent();
767 ptr
= ml_get_curline();
771 * If last character is '{' do indent, without
772 * checking for "if" and the like.
774 if (last_char
== '{')
776 did_si
= TRUE
; /* do indent */
777 no_si
= TRUE
; /* don't delete it when '{' typed */
780 * Look for "if" and the like, use 'cinwords'.
781 * Don't do this if the previous line ended in ';' or
784 else if (last_char
!= ';' && last_char
!= '}'
785 && cin_is_cinword(ptr
))
789 else /* dir == BACKWARD */
792 * Skip preprocessor directives, unless they are
793 * recognised as comments.
796 # ifdef FEAT_COMMENTS
801 int was_backslashed
= FALSE
;
803 while ((ptr
[0] == '#' || was_backslashed
) &&
804 curwin
->w_cursor
.lnum
< curbuf
->b_ml
.ml_line_count
)
806 if (*ptr
&& ptr
[STRLEN(ptr
) - 1] == '\\')
807 was_backslashed
= TRUE
;
809 was_backslashed
= FALSE
;
810 ptr
= ml_get(++curwin
->w_cursor
.lnum
);
813 newindent
= 0; /* Got to end of file */
815 newindent
= get_indent();
818 if (*p
== '}') /* if line starts with '}': do indent */
820 else /* can delete indent when '{' typed */
823 curwin
->w_cursor
= old_cursor
;
827 #endif /* FEAT_SMARTINDENT */
834 * Find out if the current line starts with a comment leader.
835 * This may then be inserted in front of the new line.
837 end_comment_pending
= NUL
;
838 if (flags
& OPENLINE_DO_COM
)
839 lead_len
= get_leader_len(saved_line
, &lead_flags
, dir
== BACKWARD
);
844 char_u
*lead_repl
= NULL
; /* replaces comment leader */
845 int lead_repl_len
= 0; /* length of *lead_repl */
846 char_u lead_middle
[COM_MAX_LEN
]; /* middle-comment string */
847 char_u lead_end
[COM_MAX_LEN
]; /* end-comment string */
848 char_u
*comment_end
= NULL
; /* where lead_end has been found */
849 int extra_space
= FALSE
; /* append extra space */
851 int require_blank
= FALSE
; /* requires blank after middle */
855 * If the comment leader has the start, middle or end flag, it may not
856 * be used or may be replaced with the middle leader.
858 for (p
= lead_flags
; *p
&& *p
!= ':'; ++p
)
862 require_blank
= TRUE
;
865 if (*p
== COM_START
|| *p
== COM_MIDDLE
)
871 * Doing "O" on a start of comment does not insert leader.
879 /* find start of middle part */
880 (void)copy_option_part(&p
, lead_middle
, COM_MAX_LEN
, ",");
881 require_blank
= FALSE
;
885 * Isolate the strings of the middle and end leader.
887 while (*p
&& p
[-1] != ':') /* find end of middle flags */
890 require_blank
= TRUE
;
893 (void)copy_option_part(&p
, lead_middle
, COM_MAX_LEN
, ",");
895 while (*p
&& p
[-1] != ':') /* find end of end flags */
897 /* Check whether we allow automatic ending of comments */
898 if (*p
== COM_AUTO_END
)
899 end_comment_pending
= -1; /* means we want to set it */
902 n
= copy_option_part(&p
, lead_end
, COM_MAX_LEN
, ",");
904 if (end_comment_pending
== -1) /* we can set it now */
905 end_comment_pending
= lead_end
[n
- 1];
908 * If the end of the comment is in the same line, don't use
909 * the comment leader.
913 for (p
= saved_line
+ lead_len
; *p
; ++p
)
914 if (STRNCMP(p
, lead_end
, n
) == 0)
923 * Doing "o" on a start of comment inserts the middle leader.
927 if (current_flag
== COM_START
)
929 lead_repl
= lead_middle
;
930 lead_repl_len
= (int)STRLEN(lead_middle
);
934 * If we have hit RETURN immediately after the start
935 * comment leader, then put a space after the middle
936 * comment leader on the next line.
938 if (!vim_iswhite(saved_line
[lead_len
- 1])
940 && (int)curwin
->w_cursor
.col
== lead_len
)
942 && saved_line
[lead_len
] == NUL
)
951 * Doing "o" on the end of a comment does not insert leader.
952 * Remember where the end is, might want to use it to find the
953 * start (for C-comments).
957 comment_end
= skipwhite(saved_line
);
963 * Doing "O" on the end of a comment inserts the middle leader.
964 * Find the string for the middle leader, searching backwards.
966 while (p
> curbuf
->b_p_com
&& *p
!= ',')
968 for (lead_repl
= p
; lead_repl
> curbuf
->b_p_com
969 && lead_repl
[-1] != ':'; --lead_repl
)
971 lead_repl_len
= (int)(p
- lead_repl
);
973 /* We can probably always add an extra space when doing "O" on
977 /* Check whether we allow automatic ending of comments */
978 for (p2
= p
; *p2
&& *p2
!= ':'; p2
++)
980 if (*p2
== COM_AUTO_END
)
981 end_comment_pending
= -1; /* means we want to set it */
983 if (end_comment_pending
== -1)
985 /* Find last character in end-comment string */
986 while (*p2
&& *p2
!= ',')
988 end_comment_pending
= p2
[-1];
995 * Comment leader for first line only: Don't repeat leader
996 * when using "O", blank out leader when using "o".
1002 lead_repl
= (char_u
*)"";
1010 /* allocate buffer (may concatenate p_exta later) */
1011 leader
= alloc(lead_len
+ lead_repl_len
+ extra_space
+
1013 allocated
= leader
; /* remember to free it later */
1019 vim_strncpy(leader
, saved_line
, lead_len
);
1022 * Replace leader with lead_repl, right or left adjusted
1024 if (lead_repl
!= NULL
)
1029 for (p
= lead_flags
; *p
!= NUL
&& *p
!= ':'; )
1031 if (*p
== COM_RIGHT
|| *p
== COM_LEFT
)
1033 else if (VIM_ISDIGIT(*p
) || *p
== '-')
1034 off
= getdigits(&p
);
1038 if (c
== COM_RIGHT
) /* right adjusted leader */
1040 /* find last non-white in the leader to line up with */
1041 for (p
= leader
+ lead_len
- 1; p
> leader
1042 && vim_iswhite(*p
); --p
)
1047 /* Compute the length of the replaced characters in
1048 * screen characters, not bytes. */
1050 int repl_size
= vim_strnsize(lead_repl
,
1056 while (old_size
< repl_size
&& p
> leader
)
1058 mb_ptr_back(leader
, p
);
1059 old_size
+= ptr2cells(p
);
1061 l
= lead_repl_len
- (int)(endp
- p
);
1063 mch_memmove(endp
+ l
, endp
,
1064 (size_t)((leader
+ lead_len
) - endp
));
1068 if (p
< leader
+ lead_repl_len
)
1073 mch_memmove(p
, lead_repl
, (size_t)lead_repl_len
);
1074 if (p
+ lead_repl_len
> leader
+ lead_len
)
1075 p
[lead_repl_len
] = NUL
;
1077 /* blank-out any other chars from the old leader. */
1078 while (--p
>= leader
)
1081 int l
= mb_head_off(leader
, p
);
1086 if (ptr2cells(p
) > 1)
1091 mch_memmove(p
+ 1, p
+ l
+ 1,
1092 (size_t)((leader
+ lead_len
) - (p
+ l
+ 1)));
1098 if (!vim_iswhite(*p
))
1102 else /* left adjusted leader */
1104 p
= skipwhite(leader
);
1106 /* Compute the length of the replaced characters in
1107 * screen characters, not bytes. Move the part that is
1108 * not to be overwritten. */
1110 int repl_size
= vim_strnsize(lead_repl
,
1115 for (i
= 0; p
[i
] != NUL
&& i
< lead_len
; i
+= l
)
1117 l
= (*mb_ptr2len
)(p
+ i
);
1118 if (vim_strnsize(p
, i
+ l
) > repl_size
)
1121 if (i
!= lead_repl_len
)
1123 mch_memmove(p
+ lead_repl_len
, p
+ i
,
1124 (size_t)(lead_len
- i
- (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
)
1882 for (i
= 0; i
< len
; i
+= n
)
1885 /* avoid reading past p[len] */
1886 n
= utfc_ptr2len_len(p
+ i
, len
- i
);
1888 n
= (*mb_ptr2len
)(p
+ i
);
1889 ins_char_bytes(p
+ i
, n
);
1893 for (i
= 0; i
< len
; ++i
)
1899 * Insert or replace a single character at the cursor position.
1900 * When in REPLACE or VREPLACE mode, replace any existing character.
1901 * Caller must have prepared for undo.
1902 * For multi-byte characters we get the whole character, the caller must
1903 * convert bytes to a character.
1909 #if defined(FEAT_MBYTE) || defined(PROTO)
1910 char_u buf
[MB_MAXBYTES
];
1913 n
= (*mb_char2bytes
)(c
, buf
);
1915 /* When "c" is 0x100, 0x200, etc. we don't want to insert a NUL byte.
1916 * Happens for CTRL-Vu9900. */
1920 ins_char_bytes(buf
, n
);
1924 ins_char_bytes(buf
, charlen
)
1930 int newlen
; /* nr of bytes inserted */
1931 int oldlen
; /* nr of bytes deleted (0 when not replacing) */
1935 int linelen
; /* length of old line including NUL */
1937 linenr_T lnum
= curwin
->w_cursor
.lnum
;
1940 #ifdef FEAT_VIRTUALEDIT
1941 /* Break tabs if needed. */
1942 if (virtual_active() && curwin
->w_cursor
.coladd
> 0)
1943 coladvance_force(getviscol());
1946 col
= curwin
->w_cursor
.col
;
1947 oldp
= ml_get(lnum
);
1948 linelen
= (int)STRLEN(oldp
) + 1;
1950 /* The lengths default to the values for when not replacing. */
1958 if (State
& REPLACE_FLAG
)
1960 #ifdef FEAT_VREPLACE
1961 if (State
& VREPLACE_FLAG
)
1963 colnr_T new_vcol
= 0; /* init for GCC */
1971 * Disable 'list' temporarily, unless 'cpo' contains the 'L' flag.
1972 * Returns the old value of list, so when finished,
1973 * curwin->w_p_list should be set back to this.
1975 old_list
= curwin
->w_p_list
;
1976 if (old_list
&& vim_strchr(p_cpo
, CPO_LISTWM
) == NULL
)
1977 curwin
->w_p_list
= FALSE
;
1980 * In virtual replace mode each character may replace one or more
1981 * characters (zero if it's a TAB). Count the number of bytes to
1982 * be deleted to make room for the new character, counting screen
1983 * cells. May result in adding spaces to fill a gap.
1985 getvcol(curwin
, &curwin
->w_cursor
, NULL
, &vcol
, NULL
);
1990 new_vcol
= vcol
+ chartabsize(buf
, vcol
);
1991 while (oldp
[col
+ oldlen
] != NUL
&& vcol
< new_vcol
)
1993 vcol
+= chartabsize(oldp
+ col
+ oldlen
, vcol
);
1994 /* Don't need to remove a TAB that takes us to the right
1996 if (vcol
> new_vcol
&& oldp
[col
+ oldlen
] == TAB
)
1999 oldlen
+= (*mb_ptr2len
)(oldp
+ col
+ oldlen
);
2003 /* Deleted a bit too much, insert spaces. */
2004 if (vcol
> new_vcol
)
2005 newlen
+= vcol
- new_vcol
;
2007 curwin
->w_p_list
= old_list
;
2011 if (oldp
[col
] != NUL
)
2013 /* normal replace */
2015 oldlen
= (*mb_ptr2len
)(oldp
+ col
);
2022 /* Push the replaced bytes onto the replace stack, so that they can be
2023 * put back when BS is used. The bytes of a multi-byte character are
2024 * done the other way around, so that the first byte is popped off
2025 * first (it tells the byte length of the character). */
2027 for (i
= 0; i
< oldlen
; ++i
)
2031 i
+= replace_push_mb(oldp
+ col
+ i
) - 1;
2034 replace_push(oldp
[col
+ i
]);
2038 newp
= alloc_check((unsigned)(linelen
+ newlen
- oldlen
));
2042 /* Copy bytes before the cursor. */
2044 mch_memmove(newp
, oldp
, (size_t)col
);
2046 /* Copy bytes after the changed character(s). */
2048 mch_memmove(p
+ newlen
, oldp
+ col
+ oldlen
,
2049 (size_t)(linelen
- col
- oldlen
));
2051 /* Insert or overwrite the new character. */
2053 mch_memmove(p
, buf
, charlen
);
2060 /* Fill with spaces when necessary. */
2064 /* Replace the line in the buffer. */
2065 ml_replace(lnum
, newp
, FALSE
);
2067 /* mark the buffer as changed and prepare for displaying */
2068 changed_bytes(lnum
, col
);
2071 * If we're in Insert or Replace mode and 'showmatch' is set, then briefly
2072 * show the match for right parens and braces.
2074 if (p_sm
&& (State
& INSERT
)
2079 #ifdef FEAT_INS_EXPAND
2080 && !ins_compl_active()
2085 #ifdef FEAT_RIGHTLEFT
2086 if (!p_ri
|| (State
& REPLACE_FLAG
))
2089 /* Normal insert: move cursor right */
2091 curwin
->w_cursor
.col
+= charlen
;
2093 ++curwin
->w_cursor
.col
;
2097 * TODO: should try to update w_row here, to avoid recomputing it later.
2102 * Insert a string at the cursor position.
2103 * Note: Does NOT handle Replace mode.
2104 * Caller must have prepared for undo.
2110 char_u
*oldp
, *newp
;
2111 int newlen
= (int)STRLEN(s
);
2114 linenr_T lnum
= curwin
->w_cursor
.lnum
;
2116 #ifdef FEAT_VIRTUALEDIT
2117 if (virtual_active() && curwin
->w_cursor
.coladd
> 0)
2118 coladvance_force(getviscol());
2121 col
= curwin
->w_cursor
.col
;
2122 oldp
= ml_get(lnum
);
2123 oldlen
= (int)STRLEN(oldp
);
2125 newp
= alloc_check((unsigned)(oldlen
+ newlen
+ 1));
2129 mch_memmove(newp
, oldp
, (size_t)col
);
2130 mch_memmove(newp
+ col
, s
, (size_t)newlen
);
2131 mch_memmove(newp
+ col
+ newlen
, oldp
+ col
, (size_t)(oldlen
- col
+ 1));
2132 ml_replace(lnum
, newp
, FALSE
);
2133 changed_bytes(lnum
, col
);
2134 curwin
->w_cursor
.col
+= newlen
;
2138 * Delete one character under the cursor.
2139 * If "fixpos" is TRUE, don't leave the cursor on the NUL after the line.
2140 * Caller must have prepared for undo.
2142 * return FAIL for failure, OK otherwise
2151 /* Make sure the cursor is at the start of a character. */
2153 if (*ml_get_cursor() == NUL
)
2155 return del_chars(1L, fixpos
);
2158 return del_bytes(1L, fixpos
, TRUE
);
2161 #if defined(FEAT_MBYTE) || defined(PROTO)
2163 * Like del_bytes(), but delete characters instead of bytes.
2166 del_chars(count
, fixpos
)
2175 p
= ml_get_cursor();
2176 for (i
= 0; i
< count
&& *p
!= NUL
; ++i
)
2178 l
= (*mb_ptr2len
)(p
);
2182 return del_bytes(bytes
, fixpos
, TRUE
);
2187 * Delete "count" bytes under the cursor.
2188 * If "fixpos" is TRUE, don't leave the cursor on the NUL after the line.
2189 * Caller must have prepared for undo.
2191 * return FAIL for failure, OK otherwise
2194 del_bytes(count
, fixpos_arg
, use_delcombine
)
2197 int use_delcombine UNUSED
; /* 'delcombine' option applies */
2199 char_u
*oldp
, *newp
;
2201 linenr_T lnum
= curwin
->w_cursor
.lnum
;
2202 colnr_T col
= curwin
->w_cursor
.col
;
2205 int fixpos
= fixpos_arg
;
2207 oldp
= ml_get(lnum
);
2208 oldlen
= (int)STRLEN(oldp
);
2211 * Can't do anything when the cursor is on the NUL after the line.
2217 /* If 'delcombine' is set and deleting (less than) one character, only
2218 * delete the last combining character. */
2219 if (p_deco
&& use_delcombine
&& enc_utf8
2220 && utfc_ptr2len(oldp
+ col
) >= count
)
2225 (void)utfc_ptr2char(oldp
+ col
, cc
);
2228 /* Find the last composing char, there can be several. */
2233 count
= utf_ptr2len(oldp
+ n
);
2235 } while (UTF_COMPOSINGLIKE(oldp
+ col
, oldp
+ n
));
2242 * When count is too big, reduce it.
2244 movelen
= (long)oldlen
- (long)col
- count
+ 1; /* includes trailing NUL */
2248 * If we just took off the last character of a non-blank line, and
2249 * fixpos is TRUE, we don't want to end up positioned at the NUL,
2250 * unless "restart_edit" is set or 'virtualedit' contains "onemore".
2252 if (col
> 0 && fixpos
&& restart_edit
== 0
2253 #ifdef FEAT_VIRTUALEDIT
2254 && (ve_flags
& VE_ONEMORE
) == 0
2258 --curwin
->w_cursor
.col
;
2259 #ifdef FEAT_VIRTUALEDIT
2260 curwin
->w_cursor
.coladd
= 0;
2264 curwin
->w_cursor
.col
-=
2265 (*mb_head_off
)(oldp
, oldp
+ curwin
->w_cursor
.col
);
2268 count
= oldlen
- col
;
2273 * If the old line has been allocated the deletion can be done in the
2274 * existing line. Otherwise a new line has to be allocated
2275 * Can't do this when using Netbeans, because we would need to invoke
2276 * netbeans_removed(), which deallocates the line. Let ml_replace() take
2277 * care of notifiying Netbeans.
2279 #ifdef FEAT_NETBEANS_INTG
2281 was_alloced
= FALSE
;
2284 was_alloced
= ml_line_alloced(); /* check if oldp was allocated */
2286 newp
= oldp
; /* use same allocated memory */
2288 { /* need to allocate a new line */
2289 newp
= alloc((unsigned)(oldlen
+ 1 - count
));
2292 mch_memmove(newp
, oldp
, (size_t)col
);
2294 mch_memmove(newp
+ col
, oldp
+ col
+ count
, (size_t)movelen
);
2296 ml_replace(lnum
, newp
, FALSE
);
2298 /* mark the buffer as changed and prepare for displaying */
2299 changed_bytes(lnum
, curwin
->w_cursor
.col
);
2305 * Delete from cursor to end of line.
2306 * Caller must have prepared for undo.
2308 * return FAIL for failure, OK otherwise
2311 truncate_line(fixpos
)
2312 int fixpos
; /* if TRUE fix the cursor position when done */
2315 linenr_T lnum
= curwin
->w_cursor
.lnum
;
2316 colnr_T col
= curwin
->w_cursor
.col
;
2319 newp
= vim_strsave((char_u
*)"");
2321 newp
= vim_strnsave(ml_get(lnum
), col
);
2326 ml_replace(lnum
, newp
, FALSE
);
2328 /* mark the buffer as changed and prepare for displaying */
2329 changed_bytes(lnum
, curwin
->w_cursor
.col
);
2332 * If "fixpos" is TRUE we don't want to end up positioned at the NUL.
2334 if (fixpos
&& curwin
->w_cursor
.col
> 0)
2335 --curwin
->w_cursor
.col
;
2341 * Delete "nlines" lines at the cursor.
2342 * Saves the lines for undo first if "undo" is TRUE.
2345 del_lines(nlines
, undo
)
2346 long nlines
; /* number of lines to delete */
2347 int undo
; /* if TRUE, prepare for undo */
2350 linenr_T first
= curwin
->w_cursor
.lnum
;
2355 /* save the deleted lines for undo */
2356 if (undo
&& u_savedel(first
, nlines
) == FAIL
)
2359 for (n
= 0; n
< nlines
; )
2361 if (curbuf
->b_ml
.ml_flags
& ML_EMPTY
) /* nothing to delete */
2364 ml_delete(first
, TRUE
);
2367 /* If we delete the last line in the file, stop */
2368 if (first
> curbuf
->b_ml
.ml_line_count
)
2372 /* Correct the cursor position before calling deleted_lines_mark(), it may
2373 * trigger a callback to display the cursor. */
2374 curwin
->w_cursor
.col
= 0;
2375 check_cursor_lnum();
2377 /* adjust marks, mark the buffer as changed and prepare for displaying */
2378 deleted_lines_mark(first
, n
);
2385 char_u
*ptr
= ml_get_pos(pos
);
2389 return (*mb_ptr2char
)(ptr
);
2399 return (*mb_ptr2char
)(ml_get_cursor());
2401 return (int)*ml_get_cursor();
2405 * Write a character at the current cursor position.
2406 * It is directly written into the block.
2412 *(ml_get_buf(curbuf
, curwin
->w_cursor
.lnum
, TRUE
)
2413 + curwin
->w_cursor
.col
) = c
;
2416 #if 0 /* not used */
2418 * Put *pos at end of current buffer
2426 pos
->lnum
= curbuf
->b_ml
.ml_line_count
;
2428 p
= ml_get(pos
->lnum
);
2435 * When extra == 0: Return TRUE if the cursor is before or on the first
2436 * non-blank in the line.
2437 * When extra == 1: Return TRUE if the cursor is before the first non-blank in
2447 for (col
= 0, ptr
= ml_get_curline(); vim_iswhite(*ptr
); ++col
)
2449 if (col
>= curwin
->w_cursor
.col
+ extra
)
2456 * Skip to next part of an option argument: Skip space and comma.
2459 skip_to_option_part(p
)
2470 * changed() is called when something in the current buffer is changed.
2472 * Most often called through changed_bytes() and changed_lines(), which also
2473 * mark the area of the display to be redrawn.
2478 #if defined(FEAT_XIM) && defined(FEAT_GUI_GTK)
2479 /* The text of the preediting area is inserted, but this doesn't
2480 * mean a change of the buffer yet. That is delayed until the
2481 * text is committed. (this means preedit becomes empty) */
2482 if (im_is_preediting() && !xim_changed_while_preediting
)
2484 xim_changed_while_preediting
= FALSE
;
2487 if (!curbuf
->b_changed
)
2489 int save_msg_scroll
= msg_scroll
;
2491 /* Give a warning about changing a read-only file. This may also
2492 * check-out the file, thus change "curbuf"! */
2495 /* Create a swap file if that is wanted.
2496 * Don't do this for "nofile" and "nowrite" buffer types. */
2497 if (curbuf
->b_may_swap
2498 #ifdef FEAT_QUICKFIX
2499 && !bt_dontwrite(curbuf
)
2503 ml_open_file(curbuf
);
2505 /* The ml_open_file() can cause an ATTENTION message.
2506 * Wait two seconds, to make sure the user reads this unexpected
2507 * message. Since we could be anywhere, call wait_return() now,
2508 * and don't let the emsg() set msg_scroll. */
2509 if (need_wait_return
&& emsg_silent
== 0)
2512 ui_delay(2000L, TRUE
);
2514 msg_scroll
= save_msg_scroll
;
2517 curbuf
->b_changed
= TRUE
;
2518 ml_setflags(curbuf
);
2520 check_status(curbuf
);
2521 redraw_tabline
= TRUE
;
2524 need_maketitle
= TRUE
; /* set window title later */
2527 ++curbuf
->b_changedtick
;
2530 static void changedOneline
__ARGS((buf_T
*buf
, linenr_T lnum
));
2531 static void changed_lines_buf
__ARGS((buf_T
*buf
, linenr_T lnum
, linenr_T lnume
, long xtra
));
2532 static void changed_common
__ARGS((linenr_T lnum
, colnr_T col
, linenr_T lnume
, long xtra
));
2535 * Changed bytes within a single line for the current buffer.
2536 * - marks the windows on this buffer to be redisplayed
2537 * - marks the buffer changed by calling changed()
2538 * - invalidates cached values
2541 changed_bytes(lnum
, col
)
2545 changedOneline(curbuf
, lnum
);
2546 changed_common(lnum
, col
, lnum
+ 1, 0L);
2549 /* Diff highlighting in other diff windows may need to be updated too. */
2550 if (curwin
->w_p_diff
)
2555 for (wp
= firstwin
; wp
!= NULL
; wp
= wp
->w_next
)
2556 if (wp
->w_p_diff
&& wp
!= curwin
)
2558 redraw_win_later(wp
, VALID
);
2559 wlnum
= diff_lnum_win(lnum
, wp
);
2561 changedOneline(wp
->w_buffer
, wlnum
);
2568 changedOneline(buf
, lnum
)
2574 /* find the maximum area that must be redisplayed */
2575 if (lnum
< buf
->b_mod_top
)
2576 buf
->b_mod_top
= lnum
;
2577 else if (lnum
>= buf
->b_mod_bot
)
2578 buf
->b_mod_bot
= lnum
+ 1;
2582 /* set the area that must be redisplayed to one line */
2583 buf
->b_mod_set
= TRUE
;
2584 buf
->b_mod_top
= lnum
;
2585 buf
->b_mod_bot
= lnum
+ 1;
2586 buf
->b_mod_xlines
= 0;
2591 * Appended "count" lines below line "lnum" in the current buffer.
2592 * Must be called AFTER the change and after mark_adjust().
2593 * Takes care of marking the buffer to be redrawn and sets the changed flag.
2596 appended_lines(lnum
, count
)
2600 changed_lines(lnum
+ 1, 0, lnum
+ 1, count
);
2604 * Like appended_lines(), but adjust marks first.
2607 appended_lines_mark(lnum
, count
)
2611 mark_adjust(lnum
+ 1, (linenr_T
)MAXLNUM
, count
, 0L);
2612 changed_lines(lnum
+ 1, 0, lnum
+ 1, count
);
2616 * Deleted "count" lines at line "lnum" in the current buffer.
2617 * Must be called AFTER the change and after mark_adjust().
2618 * Takes care of marking the buffer to be redrawn and sets the changed flag.
2621 deleted_lines(lnum
, count
)
2625 changed_lines(lnum
, 0, lnum
+ count
, -count
);
2629 * Like deleted_lines(), but adjust marks first.
2630 * Make sure the cursor is on a valid line before calling, a GUI callback may
2631 * be triggered to display the cursor.
2634 deleted_lines_mark(lnum
, count
)
2638 mark_adjust(lnum
, (linenr_T
)(lnum
+ count
- 1), (long)MAXLNUM
, -count
);
2639 changed_lines(lnum
, 0, lnum
+ count
, -count
);
2643 * Changed lines for the current buffer.
2644 * Must be called AFTER the change and after mark_adjust().
2645 * - mark the buffer changed by calling changed()
2646 * - mark the windows on this buffer to be redisplayed
2647 * - invalidate cached values
2648 * "lnum" is the first line that needs displaying, "lnume" the first line
2649 * below the changed lines (BEFORE the change).
2650 * When only inserting lines, "lnum" and "lnume" are equal.
2651 * Takes care of calling changed() and updating b_mod_*.
2654 changed_lines(lnum
, col
, lnume
, xtra
)
2655 linenr_T lnum
; /* first line with change */
2656 colnr_T col
; /* column in first line with change */
2657 linenr_T lnume
; /* line below last changed line */
2658 long xtra
; /* number of extra lines (negative when deleting) */
2660 changed_lines_buf(curbuf
, lnum
, lnume
, xtra
);
2663 if (xtra
== 0 && curwin
->w_p_diff
)
2665 /* When the number of lines doesn't change then mark_adjust() isn't
2666 * called and other diff buffers still need to be marked for
2671 for (wp
= firstwin
; wp
!= NULL
; wp
= wp
->w_next
)
2672 if (wp
->w_p_diff
&& wp
!= curwin
)
2674 redraw_win_later(wp
, VALID
);
2675 wlnum
= diff_lnum_win(lnum
, wp
);
2677 changed_lines_buf(wp
->w_buffer
, wlnum
,
2678 lnume
- lnum
+ wlnum
, 0L);
2683 changed_common(lnum
, col
, lnume
, xtra
);
2687 changed_lines_buf(buf
, lnum
, lnume
, xtra
)
2689 linenr_T lnum
; /* first line with change */
2690 linenr_T lnume
; /* line below last changed line */
2691 long xtra
; /* number of extra lines (negative when deleting) */
2695 /* find the maximum area that must be redisplayed */
2696 if (lnum
< buf
->b_mod_top
)
2697 buf
->b_mod_top
= lnum
;
2698 if (lnum
< buf
->b_mod_bot
)
2700 /* adjust old bot position for xtra lines */
2701 buf
->b_mod_bot
+= xtra
;
2702 if (buf
->b_mod_bot
< lnum
)
2703 buf
->b_mod_bot
= lnum
;
2705 if (lnume
+ xtra
> buf
->b_mod_bot
)
2706 buf
->b_mod_bot
= lnume
+ xtra
;
2707 buf
->b_mod_xlines
+= xtra
;
2711 /* set the area that must be redisplayed */
2712 buf
->b_mod_set
= TRUE
;
2713 buf
->b_mod_top
= lnum
;
2714 buf
->b_mod_bot
= lnume
+ xtra
;
2715 buf
->b_mod_xlines
= xtra
;
2720 changed_common(lnum
, col
, lnume
, xtra
)
2731 #ifdef FEAT_JUMPLIST
2737 /* mark the buffer as modified */
2740 /* set the '. mark */
2741 if (!cmdmod
.keepjumps
)
2743 curbuf
->b_last_change
.lnum
= lnum
;
2744 curbuf
->b_last_change
.col
= col
;
2746 #ifdef FEAT_JUMPLIST
2747 /* Create a new entry if a new undo-able change was started or we
2748 * don't have an entry yet. */
2749 if (curbuf
->b_new_change
|| curbuf
->b_changelistlen
== 0)
2751 if (curbuf
->b_changelistlen
== 0)
2755 /* Don't create a new entry when the line number is the same
2756 * as the last one and the column is not too far away. Avoids
2757 * creating many entries for typing "xxxxx". */
2758 p
= &curbuf
->b_changelist
[curbuf
->b_changelistlen
- 1];
2759 if (p
->lnum
!= lnum
)
2763 cols
= comp_textwidth(FALSE
);
2766 add
= (p
->col
+ cols
< col
|| col
+ cols
< p
->col
);
2771 /* This is the first of a new sequence of undo-able changes
2772 * and it's at some distance of the last change. Use a new
2773 * position in the changelist. */
2774 curbuf
->b_new_change
= FALSE
;
2776 if (curbuf
->b_changelistlen
== JUMPLISTSIZE
)
2778 /* changelist is full: remove oldest entry */
2779 curbuf
->b_changelistlen
= JUMPLISTSIZE
- 1;
2780 mch_memmove(curbuf
->b_changelist
, curbuf
->b_changelist
+ 1,
2781 sizeof(pos_T
) * (JUMPLISTSIZE
- 1));
2782 FOR_ALL_TAB_WINDOWS(tp
, wp
)
2784 /* Correct position in changelist for other windows on
2786 if (wp
->w_buffer
== curbuf
&& wp
->w_changelistidx
> 0)
2787 --wp
->w_changelistidx
;
2790 FOR_ALL_TAB_WINDOWS(tp
, wp
)
2792 /* For other windows, if the position in the changelist is
2793 * at the end it stays at the end. */
2794 if (wp
->w_buffer
== curbuf
2795 && wp
->w_changelistidx
== curbuf
->b_changelistlen
)
2796 ++wp
->w_changelistidx
;
2798 ++curbuf
->b_changelistlen
;
2801 curbuf
->b_changelist
[curbuf
->b_changelistlen
- 1] =
2802 curbuf
->b_last_change
;
2803 /* The current window is always after the last change, so that "g,"
2804 * takes you back to it. */
2805 curwin
->w_changelistidx
= curbuf
->b_changelistlen
;
2809 FOR_ALL_TAB_WINDOWS(tp
, wp
)
2811 if (wp
->w_buffer
== curbuf
)
2813 /* Mark this window to be redrawn later. */
2814 if (wp
->w_redr_type
< VALID
)
2815 wp
->w_redr_type
= VALID
;
2817 /* Check if a change in the buffer has invalidated the cached
2818 * values for the cursor. */
2821 * Update the folds for this window. Can't postpone this, because
2822 * a following operator might work on the whole fold: ">>dd".
2824 foldUpdate(wp
, lnum
, lnume
+ xtra
- 1);
2826 /* The change may cause lines above or below the change to become
2827 * included in a fold. Set lnum/lnume to the first/last line that
2828 * might be displayed differently.
2829 * Set w_cline_folded here as an efficient way to update it when
2830 * inserting lines just above a closed fold. */
2831 i
= hasFoldingWin(wp
, lnum
, &lnum
, NULL
, FALSE
, NULL
);
2832 if (wp
->w_cursor
.lnum
== lnum
)
2833 wp
->w_cline_folded
= i
;
2834 i
= hasFoldingWin(wp
, lnume
, NULL
, &lnume
, FALSE
, NULL
);
2835 if (wp
->w_cursor
.lnum
== lnume
)
2836 wp
->w_cline_folded
= i
;
2838 /* If the changed line is in a range of previously folded lines,
2839 * compare with the first line in that range. */
2840 if (wp
->w_cursor
.lnum
<= lnum
)
2842 i
= find_wl_entry(wp
, lnum
);
2843 if (i
>= 0 && wp
->w_cursor
.lnum
> wp
->w_lines
[i
].wl_lnum
)
2844 changed_line_abv_curs_win(wp
);
2848 if (wp
->w_cursor
.lnum
> lnum
)
2849 changed_line_abv_curs_win(wp
);
2850 else if (wp
->w_cursor
.lnum
== lnum
&& wp
->w_cursor
.col
>= col
)
2851 changed_cline_bef_curs_win(wp
);
2852 if (wp
->w_botline
>= lnum
)
2854 /* Assume that botline doesn't change (inserted lines make
2855 * other lines scroll down below botline). */
2856 approximate_botline_win(wp
);
2859 /* Check if any w_lines[] entries have become invalid.
2860 * For entries below the change: Correct the lnums for
2861 * inserted/deleted lines. Makes it possible to stop displaying
2862 * after the change. */
2863 for (i
= 0; i
< wp
->w_lines_valid
; ++i
)
2864 if (wp
->w_lines
[i
].wl_valid
)
2866 if (wp
->w_lines
[i
].wl_lnum
>= lnum
)
2868 if (wp
->w_lines
[i
].wl_lnum
< lnume
)
2870 /* line included in change */
2871 wp
->w_lines
[i
].wl_valid
= FALSE
;
2875 /* line below change */
2876 wp
->w_lines
[i
].wl_lnum
+= xtra
;
2878 wp
->w_lines
[i
].wl_lastlnum
+= xtra
;
2883 else if (wp
->w_lines
[i
].wl_lastlnum
>= lnum
)
2885 /* change somewhere inside this range of folded lines,
2886 * may need to be redrawn */
2887 wp
->w_lines
[i
].wl_valid
= FALSE
;
2893 /* Take care of side effects for setting w_topline when folds have
2894 * changed. Esp. when the buffer was changed in another window. */
2895 if (hasAnyFolding(wp
))
2896 set_topline(wp
, wp
->w_topline
);
2901 /* Call update_screen() later, which checks out what needs to be redrawn,
2902 * since it notices b_mod_set and then uses b_mod_*. */
2903 if (must_redraw
< VALID
)
2904 must_redraw
= VALID
;
2907 /* when the cursor line is changed always trigger CursorMoved */
2908 if (lnum
<= curwin
->w_cursor
.lnum
2909 && lnume
+ (xtra
< 0 ? -xtra
: xtra
) > curwin
->w_cursor
.lnum
)
2910 last_cursormoved
.lnum
= 0;
2915 * unchanged() is called when the changed flag must be reset for buffer 'buf'
2920 int ff
; /* also reset 'fileformat' */
2922 if (buf
->b_changed
|| (ff
&& file_ff_differs(buf
)))
2930 redraw_tabline
= TRUE
;
2933 need_maketitle
= TRUE
; /* set window title later */
2936 ++buf
->b_changedtick
;
2937 #ifdef FEAT_NETBEANS_INTG
2938 netbeans_unmodified(buf
);
2942 #if defined(FEAT_WINDOWS) || defined(PROTO)
2944 * check_status: called when the status bars for the buffer 'buf'
2945 * need to be updated
2953 for (wp
= firstwin
; wp
!= NULL
; wp
= wp
->w_next
)
2954 if (wp
->w_buffer
== buf
&& wp
->w_status_height
)
2956 wp
->w_redr_status
= TRUE
;
2957 if (must_redraw
< VALID
)
2958 must_redraw
= VALID
;
2964 * If the file is readonly, give a warning message with the first change.
2965 * Don't do this for autocommands.
2966 * Don't use emsg(), because it flushes the macro buffer.
2967 * If we have undone all changes b_changed will be FALSE, but "b_did_warn"
2972 int col
; /* column for message; non-zero when in insert
2973 mode and 'showmode' is on */
2975 static char *w_readonly
= N_("W10: Warning: Changing a readonly file");
2977 if (curbuf
->b_did_warn
== FALSE
2978 && curbufIsChanged() == 0
2986 apply_autocmds(EVENT_FILECHANGEDRO
, NULL
, NULL
, FALSE
, curbuf
);
2988 if (!curbuf
->b_p_ro
)
2992 * Do what msg() does, but with a column offset if the warning should
2993 * be after the mode message.
2996 if (msg_row
== Rows
- 1)
2998 msg_source(hl_attr(HLF_W
));
2999 MSG_PUTS_ATTR(_(w_readonly
), hl_attr(HLF_W
) | MSG_HIST
);
3001 set_vim_var_string(VV_WARNINGMSG
, (char_u
*)_(w_readonly
), -1);
3005 if (msg_silent
== 0 && !silent_mode
)
3008 ui_delay(1000L, TRUE
); /* give the user time to think about it */
3010 curbuf
->b_did_warn
= TRUE
;
3011 redraw_cmdline
= FALSE
; /* don't redraw and erase the message */
3012 if (msg_row
< Rows
- 1)
3018 * Ask for a reply from the user, a 'y' or a 'n'.
3019 * No other characters are accepted, the message is repeated until a valid
3020 * reply is entered or CTRL-C is hit.
3021 * If direct is TRUE, don't use vgetc() but ui_inchar(), don't get characters
3022 * from any buffers but directly from the user.
3024 * return the 'y' or 'n'
3027 ask_yesno(str
, direct
)
3032 int save_State
= State
;
3034 if (exiting
) /* put terminal in raw mode for this question */
3035 settmode(TMODE_RAW
);
3037 #ifdef USE_ON_FLY_SCROLL
3038 dont_scroll
= TRUE
; /* disallow scrolling here */
3040 State
= CONFIRM
; /* mouse behaves like with :confirm */
3042 setmouse(); /* disables mouse for xterm */
3045 ++allow_keys
; /* no mapping here, but recognize keys */
3047 while (r
!= 'y' && r
!= 'n')
3049 /* same highlighting as for wait_return */
3050 smsg_attr(hl_attr(HLF_R
), (char_u
*)"%s (y/n)?", str
);
3052 r
= get_keystroke();
3055 if (r
== Ctrl_C
|| r
== ESC
)
3057 msg_putchar(r
); /* show what you typed */
3072 * Get a key stroke directly from the user.
3073 * Ignores mouse clicks and scrollbar events, except a click for the left
3074 * button (used at the more prompt).
3075 * Doesn't use vgetc(), because it syncs undo and eats mapped characters.
3076 * Disadvantage: typeahead is ignored.
3077 * Translates the interrupt character for unix to ESC.
3083 char_u buf
[CBUFLEN
];
3086 int save_mapped_ctrl_c
= mapped_ctrl_c
;
3089 mapped_ctrl_c
= FALSE
; /* mappings are not used here */
3095 /* First time: blocking wait. Second time: wait up to 100ms for a
3096 * terminal code to complete. Leave some room for check_termcode() to
3097 * insert a key code into (max 5 chars plus NUL). And
3098 * fix_input_buffer() can triple the number of bytes. */
3099 n
= ui_inchar(buf
+ len
, (CBUFLEN
- 6 - len
) / 3,
3100 len
== 0 ? -1L : 100L, 0);
3103 /* Replace zero and CSI by a special key code. */
3104 n
= fix_input_buffer(buf
+ len
, n
, FALSE
);
3109 ++waited
; /* keep track of the waiting time */
3111 /* Incomplete termcode and not timed out yet: get more characters */
3112 if ((n
= check_termcode(1, buf
, len
)) < 0
3113 && (!p_ttimeout
|| waited
* 100L < (p_ttm
< 0 ? p_tm
: p_ttm
)))
3116 /* found a termcode: adjust length */
3119 if (len
== 0) /* nothing typed yet */
3122 /* Handle modifier and/or special key code. */
3126 n
= TO_SPECIAL(buf
[1], buf
[2]);
3127 if (buf
[1] == KS_MODIFIER
3130 || n
== K_LEFTMOUSE_NM
3132 || n
== K_LEFTRELEASE
3133 || n
== K_LEFTRELEASE_NM
3134 || n
== K_MIDDLEMOUSE
3135 || n
== K_MIDDLEDRAG
3136 || n
== K_MIDDLERELEASE
3137 || n
== K_RIGHTMOUSE
3139 || n
== K_RIGHTRELEASE
3149 || n
== K_VER_SCROLLBAR
3150 || n
== K_HOR_SCROLLBAR
3155 if (buf
[1] == KS_MODIFIER
)
3159 mch_memmove(buf
, buf
+ 3, (size_t)len
);
3167 if (MB_BYTE2LEN(n
) > len
)
3168 continue; /* more bytes to get */
3169 buf
[len
>= CBUFLEN
? CBUFLEN
- 1 : len
] = NUL
;
3170 n
= (*mb_ptr2char
)(buf
);
3180 mapped_ctrl_c
= save_mapped_ctrl_c
;
3185 * Get a number from the user.
3186 * When "mouse_used" is not NULL allow using the mouse.
3189 get_number(colon
, mouse_used
)
3190 int colon
; /* allow colon to abort */
3197 if (mouse_used
!= NULL
)
3198 *mouse_used
= FALSE
;
3200 /* When not printing messages, the user won't know what to type, return a
3201 * zero (as if CR was hit). */
3202 if (msg_silent
!= 0)
3205 #ifdef USE_ON_FLY_SCROLL
3206 dont_scroll
= TRUE
; /* disallow scrolling here */
3209 ++allow_keys
; /* no mapping here, but recognize keys */
3212 windgoto(msg_row
, msg_col
);
3216 n
= n
* 10 + c
- '0';
3220 else if (c
== K_DEL
|| c
== K_KDEL
|| c
== K_BS
|| c
== Ctrl_H
)
3230 else if (mouse_used
!= NULL
&& c
== K_LEFTMOUSE
)
3237 else if (n
== 0 && c
== ':' && colon
)
3239 stuffcharReadbuff(':');
3241 cmdline_row
= msg_row
;
3242 skip_redraw
= TRUE
; /* skip redraw once */
3246 else if (c
== CAR
|| c
== NL
|| c
== Ctrl_C
|| c
== ESC
)
3255 * Ask the user to enter a number.
3256 * When "mouse_used" is not NULL allow using the mouse and in that case return
3260 prompt_for_number(mouse_used
)
3264 int save_cmdline_row
;
3267 /* When using ":silent" assume that <CR> was entered. */
3268 if (mouse_used
!= NULL
)
3269 MSG_PUTS(_("Type number and <Enter> or click with mouse (empty cancels): "));
3271 MSG_PUTS(_("Type number and <Enter> (empty cancels): "));
3273 /* Set the state such that text can be selected/copied/pasted and we still
3274 * get mouse events. */
3275 save_cmdline_row
= cmdline_row
;
3280 i
= get_number(TRUE
, mouse_used
);
3283 /* don't call wait_return() now */
3284 /* msg_putchar('\n'); */
3285 cmdline_row
= msg_row
- 1;
3286 need_wait_return
= FALSE
;
3291 cmdline_row
= save_cmdline_row
;
3303 if (global_busy
/* no messages now, wait until global is finished */
3304 || !messaging()) /* 'lazyredraw' set, don't do messages now */
3307 /* We don't want to overwrite another important message, but do overwrite
3308 * a previous "more lines" or "fewer lines" message, so that "5dd" and
3309 * then "put" reports the last action. */
3310 if (keep_msg
!= NULL
&& !keep_msg_more
)
3323 STRCPY(msg_buf
, _("1 more line"));
3325 STRCPY(msg_buf
, _("1 line less"));
3330 sprintf((char *)msg_buf
, _("%ld more lines"), pn
);
3332 sprintf((char *)msg_buf
, _("%ld fewer lines"), pn
);
3335 STRCAT(msg_buf
, _(" (Interrupted)"));
3338 set_keep_msg(msg_buf
, 0);
3339 keep_msg_more
= TRUE
;
3345 * flush map and typeahead buffers and give a warning for an error
3350 if (emsg_silent
== 0)
3352 flush_buffers(FALSE
);
3358 * give a warning for an error
3363 if (emsg_silent
== 0)
3367 /* While the GUI is starting up the termcap is set for the GUI
3368 * but the output still goes to a terminal. */
3369 && !(gui
.in_use
&& gui
.starting
)
3379 * The number of beeps outputted is reduced to avoid having to wait
3380 * for all the beeps to finish. This is only a problem on systems
3381 * where the beeps don't overlap.
3383 if (beep_count
== 0 || beep_count
== 10)
3395 /* When 'verbose' is set and we are sourcing a script or executing a
3396 * function give the user a hint where the beep comes from. */
3397 if (vim_strchr(p_debug
, 'e') != NULL
)
3399 msg_source(hl_attr(HLF_W
));
3400 msg_attr((char_u
*)_("Beep!"), hl_attr(HLF_W
));
3406 * To get the "real" home directory:
3407 * - get value of $HOME
3409 * - go to that directory
3410 * - do mch_dirname() to get the real name of that directory.
3411 * This also works with mounts and links.
3412 * Don't do this for MS-DOS, it will change the "current dir" for a drive.
3414 static char_u
*homedir
= NULL
;
3421 /* In case we are called a second time (when 'encoding' changes). */
3426 var
= mch_getenv((char_u
*)"SYS$LOGIN");
3428 var
= mch_getenv((char_u
*)"HOME");
3431 if (var
!= NULL
&& *var
== NUL
) /* empty is same as not set */
3436 * Weird but true: $HOME may contain an indirect reference to another
3437 * variable, esp. "%USERPROFILE%". Happens when $USERPROFILE isn't set
3438 * when $HOME is being set.
3440 if (var
!= NULL
&& *var
== '%')
3445 p
= vim_strchr(var
+ 1, '%');
3448 vim_strncpy(NameBuff
, var
+ 1, p
- (var
+ 1));
3449 exp
= mch_getenv(NameBuff
);
3450 if (exp
!= NULL
&& *exp
!= NUL
3451 && STRLEN(exp
) + STRLEN(p
) < MAXPATHL
)
3453 vim_snprintf((char *)NameBuff
, MAXPATHL
, "%s%s", exp
, p
+ 1);
3455 /* Also set $HOME, it's needed for _viminfo. */
3456 vim_setenv((char_u
*)"HOME", NameBuff
);
3462 * Typically, $HOME is not defined on Windows, unless the user has
3463 * specifically defined it for Vim's sake. However, on Windows NT
3464 * platforms, $HOMEDRIVE and $HOMEPATH are automatically defined for
3465 * each user. Try constructing $HOME from these.
3469 char_u
*homedrive
, *homepath
;
3471 homedrive
= mch_getenv((char_u
*)"HOMEDRIVE");
3472 homepath
= mch_getenv((char_u
*)"HOMEPATH");
3473 if (homedrive
!= NULL
&& homepath
!= NULL
3474 && STRLEN(homedrive
) + STRLEN(homepath
) < MAXPATHL
)
3476 sprintf((char *)NameBuff
, "%s%s", homedrive
, homepath
);
3477 if (NameBuff
[0] != NUL
)
3480 /* Also set $HOME, it's needed for _viminfo. */
3481 vim_setenv((char_u
*)"HOME", NameBuff
);
3486 # if defined(FEAT_MBYTE)
3487 if (enc_utf8
&& var
!= NULL
)
3492 /* Convert from active codepage to UTF-8. Other conversions are
3493 * not done, because they would fail for non-ASCII characters. */
3494 acp_to_enc(var
, (int)STRLEN(var
), &pp
, &len
);
3504 #if defined(OS2) || defined(MSDOS) || defined(MSWIN)
3506 * Default home dir is C:/
3507 * Best assumption we can make in such a situation.
3516 * Change to the directory and get the actual path. This resolves
3517 * links. Don't do it when we can't return.
3519 if (mch_dirname(NameBuff
, MAXPATHL
) == OK
3520 && mch_chdir((char *)NameBuff
) == 0)
3522 if (!mch_chdir((char *)var
) && mch_dirname(IObuff
, IOSIZE
) == OK
)
3524 if (mch_chdir((char *)NameBuff
) != 0)
3525 EMSG(_(e_prev_dir
));
3528 homedir
= vim_strsave(var
);
3532 #if defined(EXITFREE) || defined(PROTO)
3541 * Call expand_env() and store the result in an allocated string.
3542 * This is not very memory efficient, this expects the result to be freed
3546 expand_env_save(src
)
3549 return expand_env_save_opt(src
, FALSE
);
3553 * Idem, but when "one" is TRUE handle the string as one file name, only
3554 * expand "~" at the start.
3557 expand_env_save_opt(src
, one
)
3563 p
= alloc(MAXPATHL
);
3565 expand_env_esc(src
, p
, MAXPATHL
, FALSE
, one
, NULL
);
3570 * Expand environment variable with path name.
3571 * "~/" is also expanded, using $HOME. For Unix "~user/" is expanded.
3572 * Skips over "\ ", "\~" and "\$" (not for Win32 though).
3573 * If anything fails no expansion is done and dst equals src.
3576 expand_env(src
, dst
, dstlen
)
3577 char_u
*src
; /* input string e.g. "$HOME/vim.hlp" */
3578 char_u
*dst
; /* where to put the result */
3579 int dstlen
; /* maximum length of the result */
3581 expand_env_esc(src
, dst
, dstlen
, FALSE
, FALSE
, NULL
);
3585 expand_env_esc(srcp
, dst
, dstlen
, esc
, one
, startstr
)
3586 char_u
*srcp
; /* input string e.g. "$HOME/vim.hlp" */
3587 char_u
*dst
; /* where to put the result */
3588 int dstlen
; /* maximum length of the result */
3589 int esc
; /* escape spaces in expanded variables */
3590 int one
; /* "srcp" is one file name */
3591 char_u
*startstr
; /* start again after this (can be NULL) */
3598 int mustfree
; /* var was allocated, need to free it later */
3599 int at_start
= TRUE
; /* at start of a name */
3600 int startstr_len
= 0;
3602 if (startstr
!= NULL
)
3603 startstr_len
= (int)STRLEN(startstr
);
3605 src
= skipwhite(srcp
);
3606 --dstlen
; /* leave one char space for "\," */
3607 while (*src
&& dstlen
> 0)
3615 #if defined(MSDOS) || defined(MSWIN) || defined(OS2)
3618 || (*src
== '~' && at_start
))
3623 * The variable name is copied into dst temporarily, because it may
3624 * be a string in read-only memory and a NUL needs to be appended.
3626 if (*src
!= '~') /* environment var */
3633 /* Unix has ${var-name} type environment vars */
3634 if (*tail
== '{' && !vim_isIDc('{'))
3636 tail
++; /* ignore '{' */
3637 while (c
-- > 0 && *tail
&& *tail
!= '}')
3643 while (c
-- > 0 && *tail
!= NUL
&& ((vim_isIDc(*tail
))
3644 #if defined(MSDOS) || defined(MSWIN) || defined(OS2)
3645 || (*src
== '%' && *tail
!= '%')
3649 #ifdef OS2 /* env vars only in uppercase */
3650 *var
++ = TOUPPER_LOC(*tail
);
3651 tail
++; /* toupper() may be a macro! */
3658 #if defined(MSDOS) || defined(MSWIN) || defined(OS2) || defined(UNIX)
3660 if (src
[1] == '{' && *tail
!= '}')
3662 if (*src
== '%' && *tail
!= '%')
3675 var
= vim_getenv(dst
, &mustfree
);
3676 #if defined(MSDOS) || defined(MSWIN) || defined(OS2) || defined(UNIX)
3680 /* home directory */
3681 else if ( src
[1] == NUL
3682 || vim_ispathsep(src
[1])
3683 || vim_strchr((char_u
*)" ,\t\n", src
[1]) != NULL
)
3688 else /* user directory */
3690 #if defined(UNIX) || (defined(VMS) && defined(USER_HOME))
3692 * Copy ~user to dst[], so we can put a NUL after it.
3699 && vim_isfilec(*tail
)
3700 && !vim_ispathsep(*tail
))
3705 * If the system supports getpwnam(), use it.
3706 * Otherwise, or if getpwnam() fails, the shell is used to
3707 * expand ~user. This is slower and may fail if the shell
3708 * does not support ~user (old versions of /bin/sh).
3710 # if defined(HAVE_GETPWNAM) && defined(HAVE_PWD_H)
3714 /* Note: memory allocated by getpwnam() is never freed.
3715 * Calling endpwent() apparently doesn't help. */
3716 pw
= getpwnam((char *)dst
+ 1);
3718 var
= (char_u
*)pw
->pw_dir
;
3728 xpc
.xp_context
= EXPAND_FILES
;
3729 var
= ExpandOne(&xpc
, dst
, NULL
,
3730 WILD_ADD_SLASH
|WILD_SILENT
, WILD_EXPAND_FREE
);
3734 # else /* !UNIX, thus VMS */
3736 * USER_HOME is a comma-separated list of
3737 * directories to search for the user account in.
3740 char_u test
[MAXPATHL
], paths
[MAXPATHL
];
3741 char_u
*path
, *next_path
, *ptr
;
3744 STRCPY(paths
, USER_HOME
);
3748 for (path
= next_path
; *next_path
&& *next_path
!= ',';
3754 STRCAT(test
, dst
+ 1);
3755 if (mch_stat(test
, &st
) == 0)
3757 var
= alloc(STRLEN(test
) + 1);
3766 /* cannot expand user's home directory, so don't try */
3768 tail
= (char_u
*)""; /* for gcc */
3769 #endif /* UNIX || VMS */
3772 #ifdef BACKSLASH_IN_FILENAME
3773 /* If 'shellslash' is set change backslashes to forward slashes.
3774 * Can't use slash_adjust(), p_ssl may be set temporarily. */
3775 if (p_ssl
&& var
!= NULL
&& vim_strchr(var
, '\\') != NULL
)
3777 char_u
*p
= vim_strsave(var
);
3790 /* If "var" contains white space, escape it with a backslash.
3791 * Required for ":e ~/tt" when $HOME includes a space. */
3792 if (esc
&& var
!= NULL
&& vim_strpbrk(var
, (char_u
*)" \t") != NULL
)
3794 char_u
*p
= vim_strsave_escaped(var
, (char_u
*)" \t");
3805 if (var
!= NULL
&& *var
!= NUL
3806 && (STRLEN(var
) + STRLEN(tail
) + 1 < (unsigned)dstlen
))
3809 dstlen
-= (int)STRLEN(var
);
3810 c
= (int)STRLEN(var
);
3811 /* if var[] ends in a path separator and tail[] starts
3812 * with it, skip a character */
3813 if (*var
!= NUL
&& after_pathsep(dst
, dst
+ c
)
3814 #if defined(BACKSLASH_IN_FILENAME) || defined(AMIGA)
3817 && vim_ispathsep(*tail
))
3827 if (copy_char
) /* copy at least one char */
3830 * Recognize the start of a new name, for '~'.
3831 * Don't do this when "one" is TRUE, to avoid expanding "~" in
3832 * ":edit foo ~ foo".
3835 if (src
[0] == '\\' && src
[1] != NUL
)
3840 else if ((src
[0] == ' ' || src
[0] == ',') && !one
)
3845 if (startstr
!= NULL
&& src
- startstr_len
>= srcp
3846 && STRNCMP(src
- startstr_len
, startstr
, startstr_len
) == 0)
3854 * Vim's version of getenv().
3855 * Special handling of $HOME, $VIM and $VIMRUNTIME.
3856 * Also does ACP to 'enc' conversion for Win32.
3859 vim_getenv(name
, mustfree
)
3861 int *mustfree
; /* set to TRUE when returned is allocated */
3867 #if defined(OS2) || defined(MSDOS) || defined(MSWIN)
3868 /* use "C:/" when $HOME is not set */
3869 if (STRCMP(name
, "HOME") == 0)
3873 p
= mch_getenv(name
);
3874 if (p
!= NULL
&& *p
== NUL
) /* empty is the same as not set */
3879 #if defined(FEAT_MBYTE) && defined(WIN3264)
3885 /* Convert from active codepage to UTF-8. Other conversions are
3886 * not done, because they would fail for non-ASCII characters. */
3887 acp_to_enc(p
, (int)STRLEN(p
), &pp
, &len
);
3898 vimruntime
= (STRCMP(name
, "VIMRUNTIME") == 0);
3899 if (!vimruntime
&& STRCMP(name
, "VIM") != 0)
3903 * When expanding $VIMRUNTIME fails, try using $VIM/vim<version> or $VIM.
3904 * Don't do this when default_vimruntime_dir is non-empty.
3908 && *default_vimruntime_dir
== NUL
3912 p
= mch_getenv((char_u
*)"VIM");
3913 if (p
!= NULL
&& *p
== NUL
) /* empty is the same as not set */
3917 p
= vim_version_dir(p
);
3921 p
= mch_getenv((char_u
*)"VIM");
3923 #if defined(FEAT_MBYTE) && defined(WIN3264)
3929 /* Convert from active codepage to UTF-8. Other conversions
3930 * are not done, because they would fail for non-ASCII
3932 acp_to_enc(p
, (int)STRLEN(p
), &pp
, &len
);
3946 * When expanding $VIM or $VIMRUNTIME fails, try using:
3947 * - the directory name from 'helpfile' (unless it contains '$')
3948 * - the executable name from argv[0]
3952 if (p_hf
!= NULL
&& vim_strchr(p_hf
, '$') == NULL
)
3956 * Use the name of the executable, obtained from argv[0].
3963 /* remove the file name */
3966 /* remove "doc/" from 'helpfile', if present */
3968 pend
= remove_tail(p
, pend
, (char_u
*)"doc");
3972 /* remove "MacOS" from exe_name and add "Resources/vim" */
3978 pend1
= remove_tail(p
, pend
, (char_u
*)"MacOS");
3981 pnew
= alloc((unsigned)(pend1
- p
) + 15);
3984 STRNCPY(pnew
, p
, (pend1
- p
));
3985 STRCPY(pnew
+ (pend1
- p
), "Resources/vim");
3987 pend
= p
+ STRLEN(p
);
3992 /* remove "src/" from exe_name, if present */
3994 pend
= remove_tail(p
, pend
, (char_u
*)"src");
3997 /* for $VIM, remove "runtime/" or "vim54/", if present */
4000 pend
= remove_tail(p
, pend
, (char_u
*)RUNTIME_DIRNAME
);
4001 pend
= remove_tail(p
, pend
, (char_u
*)VIM_VERSION_NODOT
);
4004 /* remove trailing path separator */
4005 #ifndef MACOS_CLASSIC
4006 /* With MacOS path (with colons) the final colon is required */
4007 /* to avoid confusion between absolute and relative path */
4008 if (pend
> p
&& after_pathsep(p
, pend
))
4013 if (p
== exe_name
|| p
== p_hf
)
4015 /* check that the result is a directory name */
4016 p
= vim_strnsave(p
, (int)(pend
- p
));
4018 if (p
!= NULL
&& !mch_isdir(p
))
4026 /* may add "/vim54" or "/runtime" if it exists */
4027 if (vimruntime
&& (pend
= vim_version_dir(p
)) != NULL
)
4039 /* When there is a pathdef.c file we can use default_vim_dir and
4040 * default_vimruntime_dir */
4043 /* Only use default_vimruntime_dir when it is not empty */
4044 if (vimruntime
&& *default_vimruntime_dir
!= NUL
)
4046 p
= default_vimruntime_dir
;
4049 else if (*default_vim_dir
!= NUL
)
4051 if (vimruntime
&& (p
= vim_version_dir(default_vim_dir
)) != NULL
)
4055 p
= default_vim_dir
;
4063 * Set the environment variable, so that the new value can be found fast
4064 * next time, and others can also use it (e.g. Perl).
4070 vim_setenv((char_u
*)"VIMRUNTIME", p
);
4071 didset_vimruntime
= TRUE
;
4074 char_u
*buf
= concat_str(p
, (char_u
*)"/lang");
4078 bindtextdomain(VIMPACKAGE
, (char *)buf
);
4086 vim_setenv((char_u
*)"VIM", p
);
4094 * Check if the directory "vimdir/<version>" or "vimdir/runtime" exists.
4095 * Return NULL if not, return its name in allocated memory otherwise.
4098 vim_version_dir(vimdir
)
4103 if (vimdir
== NULL
|| *vimdir
== NUL
)
4105 p
= concat_fnames(vimdir
, (char_u
*)VIM_VERSION_NODOT
, TRUE
);
4106 if (p
!= NULL
&& mch_isdir(p
))
4109 p
= concat_fnames(vimdir
, (char_u
*)RUNTIME_DIRNAME
, TRUE
);
4110 if (p
!= NULL
&& mch_isdir(p
))
4117 * If the string between "p" and "pend" ends in "name/", return "pend" minus
4118 * the length of "name/". Otherwise return "pend".
4121 remove_tail(p
, pend
, name
)
4126 int len
= (int)STRLEN(name
) + 1;
4127 char_u
*newend
= pend
- len
;
4130 && fnamencmp(newend
, name
, len
- 1) == 0
4131 && (newend
== p
|| after_pathsep(p
, newend
)))
4137 * Our portable version of setenv.
4140 vim_setenv(name
, val
)
4145 mch_setenv((char *)name
, (char *)val
, 1);
4150 * Putenv does not copy the string, it has to remain
4151 * valid. The allocated memory will never be freed.
4153 envbuf
= alloc((unsigned)(STRLEN(name
) + STRLEN(val
) + 2));
4156 sprintf((char *)envbuf
, "%s=%s", name
, val
);
4157 putenv((char *)envbuf
);
4162 #if defined(FEAT_CMDL_COMPL) || defined(PROTO)
4164 * Function given to ExpandGeneric() to obtain an environment variable name.
4167 get_env_name(xp
, idx
)
4168 expand_T
*xp UNUSED
;
4171 # if defined(AMIGA) || defined(__MRC__) || defined(__SC__)
4173 * No environ[] on the Amiga and on the Mac (using MPW).
4178 /* Borland C++ 5.2 has this in a header file. */
4179 extern char **environ
;
4181 # define ENVNAMELEN 100
4182 static char_u name
[ENVNAMELEN
];
4186 str
= (char_u
*)environ
[idx
];
4190 for (n
= 0; n
< ENVNAMELEN
- 1; ++n
)
4192 if (str
[n
] == '=' || str
[n
] == NUL
)
4203 * Replace home directory by "~" in each space or comma separated file name in
4205 * If anything fails (except when out of space) dst equals src.
4208 home_replace(buf
, src
, dst
, dstlen
, one
)
4209 buf_T
*buf
; /* when not NULL, check for help files */
4210 char_u
*src
; /* input file name */
4211 char_u
*dst
; /* where to put the result */
4212 int dstlen
; /* maximum length of the result */
4213 int one
; /* if TRUE, only replace one file name, include
4214 spaces and commas in the file name. */
4216 size_t dirlen
= 0, envlen
= 0;
4218 char_u
*homedir_env
;
4228 * If the file is a help file, remove the path completely.
4230 if (buf
!= NULL
&& buf
->b_help
)
4232 STRCPY(dst
, gettail(src
));
4237 * We check both the value of the $HOME environment variable and the
4238 * "real" home directory.
4240 if (homedir
!= NULL
)
4241 dirlen
= STRLEN(homedir
);
4244 homedir_env
= mch_getenv((char_u
*)"SYS$LOGIN");
4246 homedir_env
= mch_getenv((char_u
*)"HOME");
4249 if (homedir_env
!= NULL
&& *homedir_env
== NUL
)
4251 if (homedir_env
!= NULL
)
4252 envlen
= STRLEN(homedir_env
);
4255 src
= skipwhite(src
);
4256 while (*src
&& dstlen
> 0)
4259 * Here we are at the beginning of a file name.
4260 * First, check to see if the beginning of the file name matches
4261 * $HOME or the "real" home directory. Check that there is a '/'
4262 * after the match (so that if e.g. the file is "/home/pieter/bla",
4263 * and the home directory is "/home/piet", the file does not end up
4264 * as "~er/bla" (which would seem to indicate the file "bla" in user
4265 * er's home directory)).
4272 && fnamencmp(src
, p
, len
) == 0
4273 && (vim_ispathsep(src
[len
])
4274 || (!one
&& (src
[len
] == ',' || src
[len
] == ' '))
4275 || src
[len
] == NUL
))
4282 * If it's just the home directory, add "/".
4284 if (!vim_ispathsep(src
[0]) && --dstlen
> 0)
4288 if (p
== homedir_env
)
4294 /* if (!one) skip to separator: space or comma */
4295 while (*src
&& (one
|| (*src
!= ',' && *src
!= ' ')) && --dstlen
> 0)
4297 /* skip separator */
4298 while ((*src
== ' ' || *src
== ',') && --dstlen
> 0)
4301 /* if (dstlen == 0) out of space, what to do??? */
4307 * Like home_replace, store the replaced string in allocated memory.
4308 * When something fails, NULL is returned.
4311 home_replace_save(buf
, src
)
4312 buf_T
*buf
; /* when not NULL, check for help files */
4313 char_u
*src
; /* input file name */
4318 len
= 3; /* space for "~/" and trailing NUL */
4319 if (src
!= NULL
) /* just in case */
4320 len
+= (unsigned)STRLEN(src
);
4323 home_replace(buf
, src
, dst
, len
, TRUE
);
4328 * Compare two file names and return:
4329 * FPC_SAME if they both exist and are the same file.
4330 * FPC_SAMEX if they both don't exist and have the same file name.
4331 * FPC_DIFF if they both exist and are different files.
4332 * FPC_NOTX if they both don't exist.
4333 * FPC_DIFFX if one of them doesn't exist.
4334 * For the first name environment variables are expanded
4337 fullpathcmp(s1
, s2
, checkname
)
4339 int checkname
; /* when both don't exist, check file names */
4342 char_u exp1
[MAXPATHL
];
4343 char_u full1
[MAXPATHL
];
4344 char_u full2
[MAXPATHL
];
4345 struct stat st1
, st2
;
4348 expand_env(s1
, exp1
, MAXPATHL
);
4349 r1
= mch_stat((char *)exp1
, &st1
);
4350 r2
= mch_stat((char *)s2
, &st2
);
4351 if (r1
!= 0 && r2
!= 0)
4353 /* if mch_stat() doesn't work, may compare the names */
4356 if (fnamecmp(exp1
, s2
) == 0)
4358 r1
= vim_FullName(exp1
, full1
, MAXPATHL
, FALSE
);
4359 r2
= vim_FullName(s2
, full2
, MAXPATHL
, FALSE
);
4360 if (r1
== OK
&& r2
== OK
&& fnamecmp(full1
, full2
) == 0)
4365 if (r1
!= 0 || r2
!= 0)
4367 if (st1
.st_dev
== st2
.st_dev
&& st1
.st_ino
== st2
.st_ino
)
4371 char_u
*exp1
; /* expanded s1 */
4372 char_u
*full1
; /* full path of s1 */
4373 char_u
*full2
; /* full path of s2 */
4374 int retval
= FPC_DIFF
;
4377 /* allocate one buffer to store three paths (alloc()/free() is slow!) */
4378 if ((exp1
= alloc(MAXPATHL
* 3)) != NULL
)
4380 full1
= exp1
+ MAXPATHL
;
4381 full2
= full1
+ MAXPATHL
;
4383 expand_env(s1
, exp1
, MAXPATHL
);
4384 r1
= vim_FullName(exp1
, full1
, MAXPATHL
, FALSE
);
4385 r2
= vim_FullName(s2
, full2
, MAXPATHL
, FALSE
);
4387 /* If vim_FullName() fails, the file probably doesn't exist. */
4388 if (r1
!= OK
&& r2
!= OK
)
4390 if (checkname
&& fnamecmp(exp1
, s2
) == 0)
4395 else if (r1
!= OK
|| r2
!= OK
)
4397 else if (fnamecmp(full1
, full2
))
4408 * Get the tail of a path: the file name.
4409 * Fail safe: never returns NULL.
4418 return (char_u
*)"";
4419 for (p1
= p2
= fname
; *p2
; ) /* find last part of path */
4421 if (vim_ispathsep(*p2
))
4429 * Get pointer to tail of "fname", including path separators. Putting a NUL
4430 * here leaves the directory name. Takes care of "c:/" and "//".
4431 * Always returns a valid pointer.
4440 p
= get_past_head(fname
); /* don't remove the '/' from "c:/file" */
4442 while (t
> p
&& after_pathsep(fname
, t
))
4445 /* path separator is part of the path */
4452 * get the next path component (just after the next path separator).
4458 while (*fname
&& !vim_ispathsep(*fname
))
4466 * Get a pointer to one character past the head of a path name.
4467 * Unix: after "/"; DOS: after "c:\"; Amiga: after "disk:/"; Mac: no head.
4468 * If there is no head, path is returned.
4476 #if defined(MSDOS) || defined(MSWIN) || defined(OS2)
4478 if (isalpha(path
[0]) && path
[1] == ':')
4484 /* may skip "label:" */
4485 retval
= vim_strchr(path
, ':');
4493 while (vim_ispathsep(*retval
))
4500 * return TRUE if 'c' is a path separator.
4507 return (c
== '.' || c
== ':');
4510 return (c
== '/'); /* UNIX has ':' inside file names */
4512 # ifdef BACKSLASH_IN_FILENAME
4513 return (c
== ':' || c
== '/' || c
== '\\');
4516 /* server"user passwd"::device:[full.path.name]fname.extension;version" */
4517 return (c
== ':' || c
== '[' || c
== ']' || c
== '/'
4518 || c
== '<' || c
== '>' || c
== '"' );
4520 return (c
== ':' || c
== '/');
4524 #endif /* RISC OS */
4527 #if defined(FEAT_SEARCHPATH) || defined(PROTO)
4529 * return TRUE if 'c' is a path list separator.
4532 vim_ispathlistsep(c
)
4538 return (c
== ';'); /* might not be right for every system... */
4543 #if defined(FEAT_GUI_TABLINE) || defined(FEAT_WINDOWS) \
4544 || defined(FEAT_EVAL) || defined(PROTO)
4546 * Shorten the path of a file from "~/foo/../.bar/fname" to "~/f/../.b/fname"
4547 * It's done in-place.
4553 char_u
*tail
, *s
, *d
;
4556 tail
= gettail(str
);
4558 for (s
= str
; ; ++s
)
4560 if (s
>= tail
) /* copy the whole tail */
4566 else if (vim_ispathsep(*s
)) /* copy '/' and next char */
4573 *d
++ = *s
; /* copy next char */
4574 if (*s
!= '~' && *s
!= '.') /* and leading "~" and "." */
4579 int l
= mb_ptr2len(s
);
4591 * Return TRUE if the directory of "fname" exists, FALSE otherwise.
4592 * Also returns TRUE if there is no directory name.
4593 * "fname" must be writable!.
4596 dir_of_file_exists(fname
)
4603 p
= gettail_sep(fname
);
4608 retval
= mch_isdir(fname
);
4613 #if (defined(CASE_INSENSITIVE_FILENAME) && defined(BACKSLASH_IN_FILENAME)) \
4616 * Versions of fnamecmp() and fnamencmp() that handle '/' and '\' equally.
4622 return vim_fnamencmp(x
, y
, MAXPATHL
);
4626 vim_fnamencmp(x
, y
, len
)
4630 while (len
> 0 && *x
&& *y
)
4632 if (TOLOWER_LOC(*x
) != TOLOWER_LOC(*y
)
4633 && !(*x
== '/' && *y
== '\\')
4634 && !(*x
== '\\' && *y
== '/'))
4647 * Concatenate file names fname1 and fname2 into allocated memory.
4648 * Only add a '/' or '\\' when 'sep' is TRUE and it is necessary.
4651 concat_fnames(fname1
, fname2
, sep
)
4658 dest
= alloc((unsigned)(STRLEN(fname1
) + STRLEN(fname2
) + 3));
4661 STRCPY(dest
, fname1
);
4664 STRCAT(dest
, fname2
);
4669 #if defined(FEAT_EVAL) || defined(FEAT_GETTEXT) || defined(PROTO)
4671 * Concatenate two strings and return the result in allocated memory.
4672 * Returns NULL when out of memory.
4675 concat_str(str1
, str2
)
4680 size_t l
= STRLEN(str1
);
4682 dest
= alloc((unsigned)(l
+ STRLEN(str2
) + 1L));
4686 STRCPY(dest
+ l
, str2
);
4693 * Add a path separator to a file name, unless it already ends in a path
4700 if (*p
!= NUL
&& !after_pathsep(p
, p
+ STRLEN(p
)))
4701 STRCAT(p
, PATHSEPSTR
);
4705 * FullName_save - Make an allocated copy of a full file name.
4706 * Returns NULL when out of memory.
4709 FullName_save(fname
, force
)
4711 int force
; /* force expansion, even when it already looks
4712 like a full path name */
4715 char_u
*new_fname
= NULL
;
4720 buf
= alloc((unsigned)MAXPATHL
);
4723 if (vim_FullName(fname
, buf
, MAXPATHL
, force
) != FAIL
)
4724 new_fname
= vim_strsave(buf
);
4726 new_fname
= vim_strsave(fname
);
4732 #if defined(FEAT_CINDENT) || defined(FEAT_SYN_HL)
4734 static char_u
*skip_string
__ARGS((char_u
*p
));
4737 * Find the start of a comment, not knowing if we are in a comment right now.
4738 * Search starts at w_cursor.lnum and goes backwards.
4741 find_start_comment(ind_maxcomment
) /* XXX */
4747 int cur_maxcomment
= ind_maxcomment
;
4751 pos
= findmatchlimit(NULL
, '*', FM_BACKWARD
, cur_maxcomment
);
4756 * Check if the comment start we found is inside a string.
4757 * If it is then restrict the search to below this line and try again.
4759 line
= ml_get(pos
->lnum
);
4760 for (p
= line
; *p
&& (colnr_T
)(p
- line
) < pos
->col
; ++p
)
4762 if ((colnr_T
)(p
- line
) <= pos
->col
)
4764 cur_maxcomment
= curwin
->w_cursor
.lnum
- pos
->lnum
- 1;
4765 if (cur_maxcomment
<= 0)
4775 * Skip to the end of a "string" and a 'c' character.
4776 * If there is no string or character, return argument unmodified.
4785 * We loop, because strings may be concatenated: "date""time".
4789 if (p
[0] == '\'') /* 'c' or '\n' or '\000' */
4791 if (!p
[1]) /* ' at end of line */
4794 if (p
[1] == '\\') /* '\n' or '\000' */
4797 while (vim_isdigit(p
[i
- 1])) /* '\000' */
4800 if (p
[i
] == '\'') /* check for trailing ' */
4806 else if (p
[0] == '"') /* start of string */
4808 for (++p
; p
[0]; ++p
)
4810 if (p
[0] == '\\' && p
[1] != NUL
)
4812 else if (p
[0] == '"') /* end of string */
4818 break; /* no string found */
4821 --p
; /* backup from NUL */
4824 #endif /* FEAT_CINDENT || FEAT_SYN_HL */
4826 #if defined(FEAT_CINDENT) || defined(PROTO)
4829 * Do C or expression indenting on the current line.
4835 if (*curbuf
->b_p_inde
!= NUL
)
4836 fixthisline(get_expr_indent
);
4839 fixthisline(get_c_indent
);
4843 * Functions for C-indenting.
4844 * Most of this originally comes from Eric Fischer.
4847 * Below "XXX" means that this function may unlock the current line.
4850 static char_u
*cin_skipcomment
__ARGS((char_u
*));
4851 static int cin_nocode
__ARGS((char_u
*));
4852 static pos_T
*find_line_comment
__ARGS((void));
4853 static int cin_islabel_skip
__ARGS((char_u
**));
4854 static int cin_isdefault
__ARGS((char_u
*));
4855 static char_u
*after_label
__ARGS((char_u
*l
));
4856 static int get_indent_nolabel
__ARGS((linenr_T lnum
));
4857 static int skip_label
__ARGS((linenr_T
, char_u
**pp
, int ind_maxcomment
));
4858 static int cin_first_id_amount
__ARGS((void));
4859 static int cin_get_equal_amount
__ARGS((linenr_T lnum
));
4860 static int cin_ispreproc
__ARGS((char_u
*));
4861 static int cin_ispreproc_cont
__ARGS((char_u
**pp
, linenr_T
*lnump
));
4862 static int cin_iscomment
__ARGS((char_u
*));
4863 static int cin_islinecomment
__ARGS((char_u
*));
4864 static int cin_isterminated
__ARGS((char_u
*, int, int));
4865 static int cin_isinit
__ARGS((void));
4866 static int cin_isfuncdecl
__ARGS((char_u
**, linenr_T
));
4867 static int cin_isif
__ARGS((char_u
*));
4868 static int cin_iselse
__ARGS((char_u
*));
4869 static int cin_isdo
__ARGS((char_u
*));
4870 static int cin_iswhileofdo
__ARGS((char_u
*, linenr_T
, int));
4871 static int cin_iswhileofdo_end
__ARGS((int terminated
, int ind_maxparen
, int ind_maxcomment
));
4872 static int cin_isbreak
__ARGS((char_u
*));
4873 static int cin_is_cpp_baseclass
__ARGS((colnr_T
*col
));
4874 static int get_baseclass_amount
__ARGS((int col
, int ind_maxparen
, int ind_maxcomment
, int ind_cpp_baseclass
));
4875 static int cin_ends_in
__ARGS((char_u
*, char_u
*, char_u
*));
4876 static int cin_skip2pos
__ARGS((pos_T
*trypos
));
4877 static pos_T
*find_start_brace
__ARGS((int));
4878 static pos_T
*find_match_paren
__ARGS((int, int));
4879 static int corr_ind_maxparen
__ARGS((int ind_maxparen
, pos_T
*startpos
));
4880 static int find_last_paren
__ARGS((char_u
*l
, int start
, int end
));
4881 static int find_match
__ARGS((int lookfor
, linenr_T ourscope
, int ind_maxparen
, int ind_maxcomment
));
4883 static int ind_hash_comment
= 0; /* # starts a comment */
4886 * Skip over white space and C comments within the line.
4887 * Also skip over Perl/shell comments if desired.
4899 /* Perl/shell # comment comment continues until eol. Require a space
4900 * before # to avoid recognizing $#array. */
4901 if (ind_hash_comment
!= 0 && s
!= prev_s
&& *s
== '#')
4909 if (*s
== '/') /* slash-slash comment continues till eol */
4916 for (++s
; *s
; ++s
) /* skip slash-star comment */
4917 if (s
[0] == '*' && s
[1] == '/')
4927 * Return TRUE if there there is no code at *s. White space and comments are
4928 * not considered code.
4934 return *cin_skipcomment(s
) == NUL
;
4938 * Check previous lines for a "//" line comment, skipping over blank lines.
4941 find_line_comment() /* XXX */
4947 pos
= curwin
->w_cursor
;
4948 while (--pos
.lnum
> 0)
4950 line
= ml_get(pos
.lnum
);
4951 p
= skipwhite(line
);
4952 if (cin_islinecomment(p
))
4954 pos
.col
= (int)(p
- line
);
4964 * Check if string matches "label:"; move to character after ':' if true.
4970 if (!vim_isIDc(**s
)) /* need at least one ID character */
4973 while (vim_isIDc(**s
))
4976 *s
= cin_skipcomment(*s
);
4978 /* "::" is not a label, it's C++ */
4979 return (**s
== ':' && *++*s
!= ':');
4983 * Recognize a label: "label:".
4984 * Note: curwin->w_cursor must be where we are looking for the label.
4987 cin_islabel(ind_maxcomment
) /* XXX */
4992 s
= cin_skipcomment(ml_get_curline());
4995 * Exclude "default" from labels, since it should be indented
4996 * like a switch label. Same for C++ scope declarations.
4998 if (cin_isdefault(s
))
5000 if (cin_isscopedecl(s
))
5003 if (cin_islabel_skip(&s
))
5006 * Only accept a label if the previous line is terminated or is a case
5013 cursor_save
= curwin
->w_cursor
;
5014 while (curwin
->w_cursor
.lnum
> 1)
5016 --curwin
->w_cursor
.lnum
;
5019 * If we're in a comment now, skip to the start of the comment.
5021 curwin
->w_cursor
.col
= 0;
5022 if ((trypos
= find_start_comment(ind_maxcomment
)) != NULL
) /* XXX */
5023 curwin
->w_cursor
= *trypos
;
5025 line
= ml_get_curline();
5026 if (cin_ispreproc(line
)) /* ignore #defines, #if, etc. */
5028 if (*(line
= cin_skipcomment(line
)) == NUL
)
5031 curwin
->w_cursor
= cursor_save
;
5032 if (cin_isterminated(line
, TRUE
, FALSE
)
5033 || cin_isscopedecl(line
)
5035 || (cin_islabel_skip(&line
) && cin_nocode(line
)))
5039 curwin
->w_cursor
= cursor_save
;
5040 return TRUE
; /* label at start of file??? */
5046 * Recognize structure initialization and enumerations.
5047 * Q&D-Implementation:
5048 * check for "=" at end or "[typedef] enum" at beginning of line.
5055 s
= cin_skipcomment(ml_get_curline());
5057 if (STRNCMP(s
, "typedef", 7) == 0 && !vim_isIDc(s
[7]))
5058 s
= cin_skipcomment(s
+ 7);
5060 if (STRNCMP(s
, "enum", 4) == 0 && !vim_isIDc(s
[4]))
5063 if (cin_ends_in(s
, (char_u
*)"=", (char_u
*)"{"))
5070 * Recognize a switch label: "case .*:" or "default:".
5076 s
= cin_skipcomment(s
);
5077 if (STRNCMP(s
, "case", 4) == 0 && !vim_isIDc(s
[4]))
5079 for (s
+= 4; *s
; ++s
)
5081 s
= cin_skipcomment(s
);
5084 if (s
[1] == ':') /* skip over "::" for C++ */
5089 if (*s
== '\'' && s
[1] && s
[2] == '\'')
5090 s
+= 2; /* skip over '.' */
5091 else if (*s
== '/' && (s
[1] == '*' || s
[1] == '/'))
5092 return FALSE
; /* stop at comment */
5094 return FALSE
; /* stop at string */
5099 if (cin_isdefault(s
))
5105 * Recognize a "default" switch label.
5111 return (STRNCMP(s
, "default", 7) == 0
5112 && *(s
= cin_skipcomment(s
+ 7)) == ':'
5117 * Recognize a "public/private/proctected" scope declaration label.
5125 s
= cin_skipcomment(s
);
5126 if (STRNCMP(s
, "public", 6) == 0)
5128 else if (STRNCMP(s
, "protected", 9) == 0)
5130 else if (STRNCMP(s
, "private", 7) == 0)
5134 return (*(s
= cin_skipcomment(s
+ i
)) == ':' && s
[1] != ':');
5138 * Return a pointer to the first non-empty non-comment character after a ':'.
5139 * Return NULL if not found.
5151 if (l
[1] == ':') /* skip over "::" for C++ */
5153 else if (!cin_iscase(l
+ 1))
5156 else if (*l
== '\'' && l
[1] && l
[2] == '\'')
5157 l
+= 2; /* skip over 'x' */
5161 l
= cin_skipcomment(l
+ 1);
5168 * Get indent of line "lnum", skipping a label.
5169 * Return 0 if there is nothing after the label.
5172 get_indent_nolabel(lnum
) /* XXX */
5185 fp
.col
= (colnr_T
)(p
- l
);
5187 getvcol(curwin
, &fp
, &col
, NULL
, NULL
);
5192 * Find indent for line "lnum", ignoring any case or jump label.
5193 * Also return a pointer to the text (after the label) in "pp".
5194 * label: if (asdf && asdfasdf)
5198 skip_label(lnum
, pp
, ind_maxcomment
)
5207 cursor_save
= curwin
->w_cursor
;
5208 curwin
->w_cursor
.lnum
= lnum
;
5209 l
= ml_get_curline();
5211 if (cin_iscase(l
) || cin_isscopedecl(l
) || cin_islabel(ind_maxcomment
))
5213 amount
= get_indent_nolabel(lnum
);
5214 l
= after_label(ml_get_curline());
5215 if (l
== NULL
) /* just in case */
5216 l
= ml_get_curline();
5220 amount
= get_indent();
5221 l
= ml_get_curline();
5225 curwin
->w_cursor
= cursor_save
;
5230 * Return the indent of the first variable name after a type in a declaration.
5231 * int a, indent of "a"
5232 * static struct foo b, indent of "b"
5233 * enum bla c, indent of "c"
5234 * Returns zero when it doesn't look like a declaration.
5237 cin_first_id_amount()
5239 char_u
*line
, *p
, *s
;
5244 line
= ml_get_curline();
5245 p
= skipwhite(line
);
5246 len
= (int)(skiptowhite(p
) - p
);
5247 if (len
== 6 && STRNCMP(p
, "static", 6) == 0)
5249 p
= skipwhite(p
+ 6);
5250 len
= (int)(skiptowhite(p
) - p
);
5252 if (len
== 6 && STRNCMP(p
, "struct", 6) == 0)
5253 p
= skipwhite(p
+ 6);
5254 else if (len
== 4 && STRNCMP(p
, "enum", 4) == 0)
5255 p
= skipwhite(p
+ 4);
5256 else if ((len
== 8 && STRNCMP(p
, "unsigned", 8) == 0)
5257 || (len
== 6 && STRNCMP(p
, "signed", 6) == 0))
5259 s
= skipwhite(p
+ len
);
5260 if ((STRNCMP(s
, "int", 3) == 0 && vim_iswhite(s
[3]))
5261 || (STRNCMP(s
, "long", 4) == 0 && vim_iswhite(s
[4]))
5262 || (STRNCMP(s
, "short", 5) == 0 && vim_iswhite(s
[5]))
5263 || (STRNCMP(s
, "char", 4) == 0 && vim_iswhite(s
[4])))
5266 for (len
= 0; vim_isIDc(p
[len
]); ++len
)
5268 if (len
== 0 || !vim_iswhite(p
[len
]) || cin_nocode(p
))
5271 p
= skipwhite(p
+ len
);
5272 fp
.lnum
= curwin
->w_cursor
.lnum
;
5273 fp
.col
= (colnr_T
)(p
- line
);
5274 getvcol(curwin
, &fp
, &col
, NULL
, NULL
);
5279 * Return the indent of the first non-blank after an equal sign.
5280 * char *foo = "here";
5281 * Return zero if no (useful) equal sign found.
5282 * Return -1 if the line above "lnum" ends in a backslash.
5288 cin_get_equal_amount(lnum
)
5298 line
= ml_get(lnum
- 1);
5299 if (*line
!= NUL
&& line
[STRLEN(line
) - 1] == '\\')
5303 line
= s
= ml_get(lnum
);
5304 while (*s
!= NUL
&& vim_strchr((char_u
*)"=;{}\"'", *s
) == NULL
)
5306 if (cin_iscomment(s
)) /* ignore comments */
5307 s
= cin_skipcomment(s
);
5314 s
= skipwhite(s
+ 1);
5318 if (*s
== '"') /* nice alignment for continued strings */
5322 fp
.col
= (colnr_T
)(s
- line
);
5323 getvcol(curwin
, &fp
, &col
, NULL
, NULL
);
5328 * Recognize a preprocessor statement: Any line that starts with '#'.
5341 * Return TRUE if line "*pp" at "*lnump" is a preprocessor statement or a
5342 * continuation line of a preprocessor statement. Decrease "*lnump" to the
5343 * start and return the line in "*pp".
5346 cin_ispreproc_cont(pp
, lnump
)
5351 linenr_T lnum
= *lnump
;
5356 if (cin_ispreproc(line
))
5364 line
= ml_get(--lnum
);
5365 if (*line
== NUL
|| line
[STRLEN(line
) - 1] != '\\')
5370 *pp
= ml_get(*lnump
);
5375 * Recognize the start of a C or C++ comment.
5381 return (p
[0] == '/' && (p
[1] == '*' || p
[1] == '/'));
5385 * Recognize the start of a "//" comment.
5388 cin_islinecomment(p
)
5391 return (p
[0] == '/' && p
[1] == '/');
5395 * Recognize a line that starts with '{' or '}', or ends with ';', '{' or '}'.
5396 * Don't consider "} else" a terminated line.
5397 * Return the character terminating the line (ending char's have precedence if
5398 * both apply in order to determine initializations).
5401 cin_isterminated(s
, incl_open
, incl_comma
)
5403 int incl_open
; /* include '{' at the end as terminator */
5404 int incl_comma
; /* recognize a trailing comma */
5406 char_u found_start
= 0;
5408 s
= cin_skipcomment(s
);
5410 if (*s
== '{' || (*s
== '}' && !cin_iselse(s
)))
5415 /* skip over comments, "" strings and 'c'haracters */
5416 s
= skip_string(cin_skipcomment(s
));
5417 if ((*s
== ';' || (incl_open
&& *s
== '{') || *s
== '}'
5418 || (incl_comma
&& *s
== ','))
5419 && cin_nocode(s
+ 1))
5429 * Recognize the basic picture of a function declaration -- it needs to
5430 * have an open paren somewhere and a close paren at the end of the line and
5431 * no semicolons anywhere.
5432 * When a line ends in a comma we continue looking in the next line.
5433 * "sp" points to a string with the line. When looking at other lines it must
5434 * be restored to the line. When it's NULL fetch lines here.
5435 * "lnum" is where we start looking.
5438 cin_isfuncdecl(sp
, first_lnum
)
5440 linenr_T first_lnum
;
5443 linenr_T lnum
= first_lnum
;
5451 while (*s
&& *s
!= '(' && *s
!= ';' && *s
!= '\'' && *s
!= '"')
5453 if (cin_iscomment(s
)) /* ignore comments */
5454 s
= cin_skipcomment(s
);
5459 return FALSE
; /* ';', ' or " before any () or no '(' */
5461 while (*s
&& *s
!= ';' && *s
!= '\'' && *s
!= '"')
5463 if (*s
== ')' && cin_nocode(s
+ 1))
5465 /* ')' at the end: may have found a match
5466 * Check for he previous line not to end in a backslash:
5467 * #if defined(x) && \
5470 lnum
= first_lnum
- 1;
5472 if (*s
== NUL
|| s
[STRLEN(s
) - 1] != '\\')
5476 if (*s
== ',' && cin_nocode(s
+ 1))
5478 /* ',' at the end: continue looking in the next line */
5479 if (lnum
>= curbuf
->b_ml
.ml_line_count
)
5484 else if (cin_iscomment(s
)) /* ignore comments */
5485 s
= cin_skipcomment(s
);
5491 if (lnum
!= first_lnum
&& sp
!= NULL
)
5492 *sp
= ml_get(first_lnum
);
5501 return (STRNCMP(p
, "if", 2) == 0 && !vim_isIDc(p
[2]));
5508 if (*p
== '}') /* accept "} else" */
5509 p
= cin_skipcomment(p
+ 1);
5510 return (STRNCMP(p
, "else", 4) == 0 && !vim_isIDc(p
[4]));
5517 return (STRNCMP(p
, "do", 2) == 0 && !vim_isIDc(p
[2]));
5521 * Check if this is a "while" that should have a matching "do".
5522 * We only accept a "while (condition) ;", with only white space between the
5523 * ')' and ';'. The condition may be spread over several lines.
5526 cin_iswhileofdo(p
, lnum
, ind_maxparen
) /* XXX */
5535 p
= cin_skipcomment(p
);
5536 if (*p
== '}') /* accept "} while (cond);" */
5537 p
= cin_skipcomment(p
+ 1);
5538 if (STRNCMP(p
, "while", 5) == 0 && !vim_isIDc(p
[5]))
5540 cursor_save
= curwin
->w_cursor
;
5541 curwin
->w_cursor
.lnum
= lnum
;
5542 curwin
->w_cursor
.col
= 0;
5543 p
= ml_get_curline();
5544 while (*p
&& *p
!= 'w') /* skip any '}', until the 'w' of the "while" */
5547 ++curwin
->w_cursor
.col
;
5549 if ((trypos
= findmatchlimit(NULL
, 0, 0, ind_maxparen
)) != NULL
5550 && *cin_skipcomment(ml_get_pos(trypos
) + 1) == ';')
5552 curwin
->w_cursor
= cursor_save
;
5558 * Return TRUE if we are at the end of a do-while.
5563 * Adjust the cursor to the line with "while".
5566 cin_iswhileofdo_end(terminated
, ind_maxparen
, ind_maxcomment
)
5577 if (terminated
!= ';') /* there must be a ';' at the end */
5580 p
= line
= ml_get_curline();
5583 p
= cin_skipcomment(p
);
5586 s
= skipwhite(p
+ 1);
5587 if (*s
== ';' && cin_nocode(s
+ 1))
5589 /* Found ");" at end of the line, now check there is "while"
5590 * before the matching '('. XXX */
5591 i
= (int)(p
- line
);
5592 curwin
->w_cursor
.col
= i
;
5593 trypos
= find_match_paren(ind_maxparen
, ind_maxcomment
);
5596 s
= cin_skipcomment(ml_get(trypos
->lnum
));
5597 if (*s
== '}') /* accept "} while (cond);" */
5598 s
= cin_skipcomment(s
+ 1);
5599 if (STRNCMP(s
, "while", 5) == 0 && !vim_isIDc(s
[5]))
5601 curwin
->w_cursor
.lnum
= trypos
->lnum
;
5606 /* Searching may have made "line" invalid, get it again. */
5607 line
= ml_get_curline();
5621 return (STRNCMP(p
, "break", 5) == 0 && !vim_isIDc(p
[5]));
5625 * Find the position of a C++ base-class declaration or
5626 * constructor-initialization. eg:
5629 * baseClass <-- here
5630 * class MyClass : public baseClass,
5631 * anotherBaseClass <-- here (should probably lineup ??)
5632 * MyClass::MyClass(...) :
5633 * baseClass(...) <-- here (constructor-initialization)
5635 * This is a lot of guessing. Watch out for "cond ? func() : foo".
5638 cin_is_cpp_baseclass(col
)
5639 colnr_T
*col
; /* return: column to align with */
5642 int class_or_struct
, lookfor_ctor_init
, cpp_base_class
;
5643 linenr_T lnum
= curwin
->w_cursor
.lnum
;
5644 char_u
*line
= ml_get_curline();
5648 s
= skipwhite(line
);
5649 if (*s
== '#') /* skip #define FOO x ? (x) : x */
5651 s
= cin_skipcomment(s
);
5655 cpp_base_class
= lookfor_ctor_init
= class_or_struct
= FALSE
;
5657 /* Search for a line starting with '#', empty, ending in ';' or containing
5658 * '{' or '}' and start below it. This handles the following situations:
5665 * Foo::Foo (int one, int two)
5672 line
= ml_get(lnum
- 1);
5673 s
= skipwhite(line
);
5674 if (*s
== '#' || *s
== NUL
)
5678 s
= cin_skipcomment(s
);
5679 if (*s
== '{' || *s
== '}'
5680 || (*s
== ';' && cin_nocode(s
+ 1)))
5690 line
= ml_get(lnum
);
5691 s
= cin_skipcomment(line
);
5696 if (lnum
== curwin
->w_cursor
.lnum
)
5698 /* Continue in the cursor line. */
5699 line
= ml_get(++lnum
);
5700 s
= cin_skipcomment(line
);
5709 /* skip double colon. It can't be a constructor
5710 * initialization any more */
5711 lookfor_ctor_init
= FALSE
;
5712 s
= cin_skipcomment(s
+ 2);
5714 else if (lookfor_ctor_init
|| class_or_struct
)
5716 /* we have something found, that looks like the start of
5717 * cpp-base-class-declaration or constructor-initialization */
5718 cpp_base_class
= TRUE
;
5719 lookfor_ctor_init
= class_or_struct
= FALSE
;
5721 s
= cin_skipcomment(s
+ 1);
5724 s
= cin_skipcomment(s
+ 1);
5726 else if ((STRNCMP(s
, "class", 5) == 0 && !vim_isIDc(s
[5]))
5727 || (STRNCMP(s
, "struct", 6) == 0 && !vim_isIDc(s
[6])))
5729 class_or_struct
= TRUE
;
5730 lookfor_ctor_init
= FALSE
;
5733 s
= cin_skipcomment(s
+ 5);
5735 s
= cin_skipcomment(s
+ 6);
5739 if (s
[0] == '{' || s
[0] == '}' || s
[0] == ';')
5741 cpp_base_class
= lookfor_ctor_init
= class_or_struct
= FALSE
;
5743 else if (s
[0] == ')')
5745 /* Constructor-initialization is assumed if we come across
5746 * something like "):" */
5747 class_or_struct
= FALSE
;
5748 lookfor_ctor_init
= TRUE
;
5750 else if (s
[0] == '?')
5752 /* Avoid seeing '() :' after '?' as constructor init. */
5755 else if (!vim_isIDc(s
[0]))
5757 /* if it is not an identifier, we are wrong */
5758 class_or_struct
= FALSE
;
5759 lookfor_ctor_init
= FALSE
;
5763 /* it can't be a constructor-initialization any more */
5764 lookfor_ctor_init
= FALSE
;
5766 /* the first statement starts here: lineup with this one... */
5768 *col
= (colnr_T
)(s
- line
);
5771 /* When the line ends in a comma don't align with it. */
5772 if (lnum
== curwin
->w_cursor
.lnum
&& *s
== ',' && cin_nocode(s
+ 1))
5775 s
= cin_skipcomment(s
+ 1);
5779 return cpp_base_class
;
5783 get_baseclass_amount(col
, ind_maxparen
, ind_maxcomment
, ind_cpp_baseclass
)
5787 int ind_cpp_baseclass
;
5795 amount
= get_indent();
5796 if (find_last_paren(ml_get_curline(), '(', ')')
5797 && (trypos
= find_match_paren(ind_maxparen
,
5798 ind_maxcomment
)) != NULL
)
5799 amount
= get_indent_lnum(trypos
->lnum
); /* XXX */
5800 if (!cin_ends_in(ml_get_curline(), (char_u
*)",", NULL
))
5801 amount
+= ind_cpp_baseclass
;
5805 curwin
->w_cursor
.col
= col
;
5806 getvcol(curwin
, &curwin
->w_cursor
, &vcol
, NULL
, NULL
);
5809 if (amount
< ind_cpp_baseclass
)
5810 amount
= ind_cpp_baseclass
;
5815 * Return TRUE if string "s" ends with the string "find", possibly followed by
5816 * white space and comments. Skip strings and comments.
5817 * Ignore "ignore" after "find" if it's not NULL.
5820 cin_ends_in(s
, find
, ignore
)
5827 int len
= (int)STRLEN(find
);
5831 p
= cin_skipcomment(p
);
5832 if (STRNCMP(p
, find
, len
) == 0)
5834 r
= skipwhite(p
+ len
);
5835 if (ignore
!= NULL
&& STRNCMP(r
, ignore
, STRLEN(ignore
)) == 0)
5836 r
= skipwhite(r
+ STRLEN(ignore
));
5847 * Skip strings, chars and comments until at or past "trypos".
5848 * Return the column found.
5851 cin_skip2pos(trypos
)
5857 p
= line
= ml_get(trypos
->lnum
);
5858 while (*p
&& (colnr_T
)(p
- line
) < trypos
->col
)
5860 if (cin_iscomment(p
))
5861 p
= cin_skipcomment(p
);
5868 return (int)(p
- line
);
5872 * Find the '{' at the start of the block we are in.
5873 * Return NULL if no match found.
5874 * Ignore a '{' that is in a comment, makes indenting the next three lines
5881 find_start_brace(ind_maxcomment
) /* XXX */
5887 static pos_T pos_copy
;
5889 cursor_save
= curwin
->w_cursor
;
5890 while ((trypos
= findmatchlimit(NULL
, '{', FM_BLOCKSTOP
, 0)) != NULL
)
5892 pos_copy
= *trypos
; /* copy pos_T, next findmatch will change it */
5894 curwin
->w_cursor
= *trypos
;
5896 /* ignore the { if it's in a // or / * * / comment */
5897 if ((colnr_T
)cin_skip2pos(trypos
) == trypos
->col
5898 && (pos
= find_start_comment(ind_maxcomment
)) == NULL
) /* XXX */
5901 curwin
->w_cursor
.lnum
= pos
->lnum
;
5903 curwin
->w_cursor
= cursor_save
;
5908 * Find the matching '(', failing if it is in a comment.
5909 * Return NULL of no match found.
5912 find_match_paren(ind_maxparen
, ind_maxcomment
) /* XXX */
5918 static pos_T pos_copy
;
5920 cursor_save
= curwin
->w_cursor
;
5921 if ((trypos
= findmatchlimit(NULL
, '(', 0, ind_maxparen
)) != NULL
)
5923 /* check if the ( is in a // comment */
5924 if ((colnr_T
)cin_skip2pos(trypos
) > trypos
->col
)
5928 pos_copy
= *trypos
; /* copy trypos, findmatch will change it */
5930 curwin
->w_cursor
= *trypos
;
5931 if (find_start_comment(ind_maxcomment
) != NULL
) /* XXX */
5935 curwin
->w_cursor
= cursor_save
;
5940 * Return ind_maxparen corrected for the difference in line number between the
5941 * cursor position and "startpos". This makes sure that searching for a
5942 * matching paren above the cursor line doesn't find a match because of
5943 * looking a few lines further.
5946 corr_ind_maxparen(ind_maxparen
, startpos
)
5950 long n
= (long)startpos
->lnum
- (long)curwin
->w_cursor
.lnum
;
5952 if (n
> 0 && n
< ind_maxparen
/ 2)
5953 return ind_maxparen
- (int)n
;
5954 return ind_maxparen
;
5958 * Set w_cursor.col to the column number of the last unmatched ')' or '{' in
5962 find_last_paren(l
, start
, end
)
5970 curwin
->w_cursor
.col
= 0; /* default is start of line */
5972 for (i
= 0; l
[i
]; i
++)
5974 i
= (int)(cin_skipcomment(l
+ i
) - l
); /* ignore parens in comments */
5975 i
= (int)(skip_string(l
+ i
) - l
); /* ignore parens in quotes */
5978 else if (l
[i
] == end
)
5984 curwin
->w_cursor
.col
= i
;
5996 * spaces from a block's opening brace the prevailing indent for that
5999 int ind_level
= curbuf
->b_p_sw
;
6002 * spaces from the edge of the line an open brace that's at the end of a
6003 * line is imagined to be.
6005 int ind_open_imag
= 0;
6008 * spaces from the prevailing indent for a line that is not precededof by
6011 int ind_no_brace
= 0;
6014 * column where the first { of a function should be located }
6016 int ind_first_open
= 0;
6019 * spaces from the prevailing indent a leftmost open brace should be
6022 int ind_open_extra
= 0;
6025 * spaces from the matching open brace (real location for one at the left
6026 * edge; imaginary location from one that ends a line) the matching close
6027 * brace should be located
6029 int ind_close_extra
= 0;
6032 * spaces from the edge of the line an open brace sitting in the leftmost
6033 * column is imagined to be
6035 int ind_open_left_imag
= 0;
6038 * spaces from the switch() indent a "case xx" label should be located
6040 int ind_case
= curbuf
->b_p_sw
;
6043 * spaces from the "case xx:" code after a switch() should be located
6045 int ind_case_code
= curbuf
->b_p_sw
;
6048 * lineup break at end of case in switch() with case label
6050 int ind_case_break
= 0;
6053 * spaces from the class declaration indent a scope declaration label
6056 int ind_scopedecl
= curbuf
->b_p_sw
;
6059 * spaces from the scope declaration label code should be located
6061 int ind_scopedecl_code
= curbuf
->b_p_sw
;
6064 * amount K&R-style parameters should be indented
6066 int ind_param
= curbuf
->b_p_sw
;
6069 * amount a function type spec should be indented
6071 int ind_func_type
= curbuf
->b_p_sw
;
6074 * amount a cpp base class declaration or constructor initialization
6075 * should be indented
6077 int ind_cpp_baseclass
= curbuf
->b_p_sw
;
6080 * additional spaces beyond the prevailing indent a continuation line
6083 int ind_continuation
= curbuf
->b_p_sw
;
6086 * spaces from the indent of the line with an unclosed parentheses
6088 int ind_unclosed
= curbuf
->b_p_sw
* 2;
6091 * spaces from the indent of the line with an unclosed parentheses, which
6092 * itself is also unclosed
6094 int ind_unclosed2
= curbuf
->b_p_sw
;
6097 * suppress ignoring spaces from the indent of a line starting with an
6098 * unclosed parentheses.
6100 int ind_unclosed_noignore
= 0;
6103 * If the opening paren is the last nonwhite character on the line, and
6104 * ind_unclosed_wrapped is nonzero, use this indent relative to the outer
6105 * context (for very long lines).
6107 int ind_unclosed_wrapped
= 0;
6110 * suppress ignoring white space when lining up with the character after
6111 * an unclosed parentheses.
6113 int ind_unclosed_whiteok
= 0;
6116 * indent a closing parentheses under the line start of the matching
6117 * opening parentheses.
6119 int ind_matching_paren
= 0;
6122 * indent a closing parentheses under the previous line.
6124 int ind_paren_prev
= 0;
6127 * Extra indent for comments.
6129 int ind_comment
= 0;
6132 * spaces from the comment opener when there is nothing after it.
6134 int ind_in_comment
= 3;
6137 * boolean: if non-zero, use ind_in_comment even if there is something
6138 * after the comment opener.
6140 int ind_in_comment2
= 0;
6143 * max lines to search for an open paren
6145 int ind_maxparen
= 20;
6148 * max lines to search for an open comment
6150 int ind_maxcomment
= 70;
6153 * handle braces for java code
6158 * handle blocked cases correctly
6160 int ind_keep_case_label
= 0;
6165 int cur_amount
= MAXCOL
;
6170 pos_T
*tryposBrace
= NULL
;
6171 pos_T our_paren_pos
;
6174 #define BRACE_IN_COL0 1 /* '{' is in column 0 */
6175 #define BRACE_AT_START 2 /* '{' is at start of line */
6176 #define BRACE_AT_END 3 /* '{' is at end of line */
6182 #define LOOKFOR_INITIAL 0
6183 #define LOOKFOR_IF 1
6184 #define LOOKFOR_DO 2
6185 #define LOOKFOR_CASE 3
6186 #define LOOKFOR_ANY 4
6187 #define LOOKFOR_TERM 5
6188 #define LOOKFOR_UNTERM 6
6189 #define LOOKFOR_SCOPEDECL 7
6190 #define LOOKFOR_NOBREAK 8
6191 #define LOOKFOR_CPP_BASECLASS 9
6192 #define LOOKFOR_ENUM_OR_INIT 10
6197 int fraction
= 0; /* init for GCC */
6202 int cont_amount
= 0; /* amount for continuation line */
6204 for (options
= curbuf
->b_p_cino
; *options
; )
6207 if (*options
== '-')
6209 n
= getdigits(&options
);
6211 if (*options
== '.') /* ".5s" means a fraction */
6213 fraction
= atol((char *)++options
);
6214 while (VIM_ISDIGIT(*options
))
6223 if (*options
== 's') /* "2s" means two times 'shiftwidth' */
6225 if (n
== 0 && fraction
== 0)
6226 n
= curbuf
->b_p_sw
; /* just "s" is one 'shiftwidth' */
6229 n
*= curbuf
->b_p_sw
;
6231 n
+= (curbuf
->b_p_sw
* fraction
+ divider
/ 2) / divider
;
6237 /* When adding an entry here, also update the default 'cinoptions' in
6238 * doc/indent.txt, and add explanation for it! */
6241 case '>': ind_level
= n
; break;
6242 case 'e': ind_open_imag
= n
; break;
6243 case 'n': ind_no_brace
= n
; break;
6244 case 'f': ind_first_open
= n
; break;
6245 case '{': ind_open_extra
= n
; break;
6246 case '}': ind_close_extra
= n
; break;
6247 case '^': ind_open_left_imag
= n
; break;
6248 case ':': ind_case
= n
; break;
6249 case '=': ind_case_code
= n
; break;
6250 case 'b': ind_case_break
= n
; break;
6251 case 'p': ind_param
= n
; break;
6252 case 't': ind_func_type
= n
; break;
6253 case '/': ind_comment
= n
; break;
6254 case 'c': ind_in_comment
= n
; break;
6255 case 'C': ind_in_comment2
= n
; break;
6256 case 'i': ind_cpp_baseclass
= n
; break;
6257 case '+': ind_continuation
= n
; break;
6258 case '(': ind_unclosed
= n
; break;
6259 case 'u': ind_unclosed2
= n
; break;
6260 case 'U': ind_unclosed_noignore
= n
; break;
6261 case 'W': ind_unclosed_wrapped
= n
; break;
6262 case 'w': ind_unclosed_whiteok
= n
; break;
6263 case 'm': ind_matching_paren
= n
; break;
6264 case 'M': ind_paren_prev
= n
; break;
6265 case ')': ind_maxparen
= n
; break;
6266 case '*': ind_maxcomment
= n
; break;
6267 case 'g': ind_scopedecl
= n
; break;
6268 case 'h': ind_scopedecl_code
= n
; break;
6269 case 'j': ind_java
= n
; break;
6270 case 'l': ind_keep_case_label
= n
; break;
6271 case '#': ind_hash_comment
= n
; break;
6275 /* remember where the cursor was when we started */
6276 cur_curpos
= curwin
->w_cursor
;
6278 /* Get a copy of the current contents of the line.
6279 * This is required, because only the most recent line obtained with
6280 * ml_get is valid! */
6281 linecopy
= vim_strsave(ml_get(cur_curpos
.lnum
));
6282 if (linecopy
== NULL
)
6286 * In insert mode and the cursor is on a ')' truncate the line at the
6287 * cursor position. We don't want to line up with the matching '(' when
6288 * inserting new stuff.
6289 * For unknown reasons the cursor might be past the end of the line, thus
6292 if ((State
& INSERT
)
6293 && curwin
->w_cursor
.col
< (colnr_T
)STRLEN(linecopy
)
6294 && linecopy
[curwin
->w_cursor
.col
] == ')')
6295 linecopy
[curwin
->w_cursor
.col
] = NUL
;
6297 theline
= skipwhite(linecopy
);
6299 /* move the cursor to the start of the line */
6301 curwin
->w_cursor
.col
= 0;
6304 * #defines and so on always go at the left when included in 'cinkeys'.
6306 if (*theline
== '#' && (*linecopy
== '#' || in_cinkeys('#', ' ', TRUE
)))
6312 * Is it a non-case label? Then that goes at the left margin too.
6314 else if (cin_islabel(ind_maxcomment
)) /* XXX */
6320 * If we're inside a "//" comment and there is a "//" comment in a
6321 * previous line, lineup with that one.
6323 else if (cin_islinecomment(theline
)
6324 && (trypos
= find_line_comment()) != NULL
) /* XXX */
6326 /* find how indented the line beginning the comment is */
6327 getvcol(curwin
, trypos
, &col
, NULL
, NULL
);
6332 * If we're inside a comment and not looking at the start of the
6333 * comment, try using the 'comments' option.
6335 else if (!cin_iscomment(theline
)
6336 && (trypos
= find_start_comment(ind_maxcomment
)) != NULL
) /* XXX */
6338 int lead_start_len
= 2;
6339 int lead_middle_len
= 1;
6340 char_u lead_start
[COM_MAX_LEN
]; /* start-comment string */
6341 char_u lead_middle
[COM_MAX_LEN
]; /* middle-comment string */
6342 char_u lead_end
[COM_MAX_LEN
]; /* end-comment string */
6344 int start_align
= 0;
6348 /* find how indented the line beginning the comment is */
6349 getvcol(curwin
, trypos
, &col
, NULL
, NULL
);
6352 p
= curbuf
->b_p_com
;
6359 while (*p
!= NUL
&& *p
!= ':')
6361 if (*p
== COM_START
|| *p
== COM_END
|| *p
== COM_MIDDLE
)
6363 else if (*p
== COM_LEFT
|| *p
== COM_RIGHT
)
6365 else if (VIM_ISDIGIT(*p
) || *p
== '-')
6366 off
= getdigits(&p
);
6373 (void)copy_option_part(&p
, lead_end
, COM_MAX_LEN
, ",");
6374 if (what
== COM_START
)
6376 STRCPY(lead_start
, lead_end
);
6377 lead_start_len
= (int)STRLEN(lead_start
);
6379 start_align
= align
;
6381 else if (what
== COM_MIDDLE
)
6383 STRCPY(lead_middle
, lead_end
);
6384 lead_middle_len
= (int)STRLEN(lead_middle
);
6386 else if (what
== COM_END
)
6388 /* If our line starts with the middle comment string, line it
6389 * up with the comment opener per the 'comments' option. */
6390 if (STRNCMP(theline
, lead_middle
, lead_middle_len
) == 0
6391 && STRNCMP(theline
, lead_end
, STRLEN(lead_end
)) != 0)
6394 if (curwin
->w_cursor
.lnum
> 1)
6396 /* If the start comment string matches in the previous
6397 * line, use the indent of that line plus offset. If
6398 * the middle comment string matches in the previous
6399 * line, use the indent of that line. XXX */
6400 look
= skipwhite(ml_get(curwin
->w_cursor
.lnum
- 1));
6401 if (STRNCMP(look
, lead_start
, lead_start_len
) == 0)
6402 amount
= get_indent_lnum(curwin
->w_cursor
.lnum
- 1);
6403 else if (STRNCMP(look
, lead_middle
,
6404 lead_middle_len
) == 0)
6406 amount
= get_indent_lnum(curwin
->w_cursor
.lnum
- 1);
6409 /* If the start comment string doesn't match with the
6410 * start of the comment, skip this entry. XXX */
6411 else if (STRNCMP(ml_get(trypos
->lnum
) + trypos
->col
,
6412 lead_start
, lead_start_len
) != 0)
6416 amount
+= start_off
;
6417 else if (start_align
== COM_RIGHT
)
6418 amount
+= vim_strsize(lead_start
)
6419 - vim_strsize(lead_middle
);
6423 /* If our line starts with the end comment string, line it up
6424 * with the middle comment */
6425 if (STRNCMP(theline
, lead_middle
, lead_middle_len
) != 0
6426 && STRNCMP(theline
, lead_end
, STRLEN(lead_end
)) == 0)
6428 amount
= get_indent_lnum(curwin
->w_cursor
.lnum
- 1);
6432 else if (align
== COM_RIGHT
)
6433 amount
+= vim_strsize(lead_start
)
6434 - vim_strsize(lead_middle
);
6441 /* If our line starts with an asterisk, line up with the
6442 * asterisk in the comment opener; otherwise, line up
6443 * with the first character of the comment text.
6447 else if (theline
[0] == '*')
6452 * If we are more than one line away from the comment opener, take
6453 * the indent of the previous non-empty line. If 'cino' has "CO"
6454 * and we are just below the comment opener and there are any
6455 * white characters after it line up with the text after it;
6456 * otherwise, add the amount specified by "c" in 'cino'
6459 for (lnum
= cur_curpos
.lnum
- 1; lnum
> trypos
->lnum
; --lnum
)
6461 if (linewhite(lnum
)) /* skip blank lines */
6463 amount
= get_indent_lnum(lnum
); /* XXX */
6466 if (amount
== -1) /* use the comment opener */
6468 if (!ind_in_comment2
)
6470 start
= ml_get(trypos
->lnum
);
6471 look
= start
+ trypos
->col
+ 2; /* skip / and * */
6472 if (*look
!= NUL
) /* if something after it */
6473 trypos
->col
= (colnr_T
)(skipwhite(look
) - start
);
6475 getvcol(curwin
, trypos
, &col
, NULL
, NULL
);
6477 if (ind_in_comment2
|| *look
== NUL
)
6478 amount
+= ind_in_comment
;
6484 * Are we inside parentheses or braces?
6486 else if (((trypos
= find_match_paren(ind_maxparen
, ind_maxcomment
)) != NULL
6488 || (tryposBrace
= find_start_brace(ind_maxcomment
)) != NULL
6491 if (trypos
!= NULL
&& tryposBrace
!= NULL
)
6493 /* Both an unmatched '(' and '{' is found. Use the one which is
6494 * closer to the current cursor position, set the other to NULL. */
6495 if (trypos
->lnum
!= tryposBrace
->lnum
6496 ? trypos
->lnum
< tryposBrace
->lnum
6497 : trypos
->col
< tryposBrace
->col
)
6506 * If the matching paren is more than one line away, use the indent of
6507 * a previous non-empty line that matches the same paren.
6509 if (theline
[0] == ')' && ind_paren_prev
)
6511 /* Line up with the start of the matching paren line. */
6512 amount
= get_indent_lnum(curwin
->w_cursor
.lnum
- 1); /* XXX */
6517 our_paren_pos
= *trypos
;
6518 for (lnum
= cur_curpos
.lnum
- 1; lnum
> our_paren_pos
.lnum
; --lnum
)
6520 l
= skipwhite(ml_get(lnum
));
6521 if (cin_nocode(l
)) /* skip comment lines */
6523 if (cin_ispreproc_cont(&l
, &lnum
))
6524 continue; /* ignore #define, #if, etc. */
6525 curwin
->w_cursor
.lnum
= lnum
;
6527 /* Skip a comment. XXX */
6528 if ((trypos
= find_start_comment(ind_maxcomment
)) != NULL
)
6530 lnum
= trypos
->lnum
+ 1;
6535 if ((trypos
= find_match_paren(
6536 corr_ind_maxparen(ind_maxparen
, &cur_curpos
),
6537 ind_maxcomment
)) != NULL
6538 && trypos
->lnum
== our_paren_pos
.lnum
6539 && trypos
->col
== our_paren_pos
.col
)
6541 amount
= get_indent_lnum(lnum
); /* XXX */
6543 if (theline
[0] == ')')
6545 if (our_paren_pos
.lnum
!= lnum
6546 && cur_amount
> amount
)
6547 cur_amount
= amount
;
6556 * Line up with line where the matching paren is. XXX
6557 * If the line starts with a '(' or the indent for unclosed
6558 * parentheses is zero, line up with the unclosed parentheses.
6562 int ignore_paren_col
= 0;
6564 amount
= skip_label(our_paren_pos
.lnum
, &look
, ind_maxcomment
);
6565 look
= skipwhite(look
);
6568 linenr_T save_lnum
= curwin
->w_cursor
.lnum
;
6572 /* Ignore a '(' in front of the line that has a match before
6573 * our matching '('. */
6574 curwin
->w_cursor
.lnum
= our_paren_pos
.lnum
;
6575 line
= ml_get_curline();
6576 look_col
= (int)(look
- line
);
6577 curwin
->w_cursor
.col
= look_col
+ 1;
6578 if ((trypos
= findmatchlimit(NULL
, ')', 0, ind_maxparen
))
6580 && trypos
->lnum
== our_paren_pos
.lnum
6581 && trypos
->col
< our_paren_pos
.col
)
6582 ignore_paren_col
= trypos
->col
+ 1;
6584 curwin
->w_cursor
.lnum
= save_lnum
;
6585 look
= ml_get(our_paren_pos
.lnum
) + look_col
;
6587 if (theline
[0] == ')' || ind_unclosed
== 0
6588 || (!ind_unclosed_noignore
&& *look
== '('
6589 && ignore_paren_col
== 0))
6592 * If we're looking at a close paren, line up right there;
6593 * otherwise, line up with the next (non-white) character.
6594 * When ind_unclosed_wrapped is set and the matching paren is
6595 * the last nonwhite character of the line, use either the
6596 * indent of the current line or the indentation of the next
6597 * outer paren and add ind_unclosed_wrapped (for very long
6600 if (theline
[0] != ')')
6602 cur_amount
= MAXCOL
;
6603 l
= ml_get(our_paren_pos
.lnum
);
6604 if (ind_unclosed_wrapped
6605 && cin_ends_in(l
, (char_u
*)"(", NULL
))
6607 /* look for opening unmatched paren, indent one level
6608 * for each additional level */
6610 for (col
= 0; col
< our_paren_pos
.col
; ++col
)
6619 case '}': if (n
> 1)
6625 our_paren_pos
.col
= 0;
6626 amount
+= n
* ind_unclosed_wrapped
;
6628 else if (ind_unclosed_whiteok
)
6629 our_paren_pos
.col
++;
6632 col
= our_paren_pos
.col
+ 1;
6633 while (vim_iswhite(l
[col
]))
6635 if (l
[col
] != NUL
) /* In case of trailing space */
6636 our_paren_pos
.col
= col
;
6638 our_paren_pos
.col
++;
6643 * Find how indented the paren is, or the character after it
6644 * if we did the above "if".
6646 if (our_paren_pos
.col
> 0)
6648 getvcol(curwin
, &our_paren_pos
, &col
, NULL
, NULL
);
6649 if (cur_amount
> (int)col
)
6654 if (theline
[0] == ')' && ind_matching_paren
)
6656 /* Line up with the start of the matching paren line. */
6658 else if (ind_unclosed
== 0 || (!ind_unclosed_noignore
6659 && *look
== '(' && ignore_paren_col
== 0))
6661 if (cur_amount
!= MAXCOL
)
6662 amount
= cur_amount
;
6666 /* Add ind_unclosed2 for each '(' before our matching one, but
6667 * ignore (void) before the line (ignore_paren_col). */
6668 col
= our_paren_pos
.col
;
6669 while ((int)our_paren_pos
.col
> ignore_paren_col
)
6671 --our_paren_pos
.col
;
6672 switch (*ml_get_pos(&our_paren_pos
))
6674 case '(': amount
+= ind_unclosed2
;
6675 col
= our_paren_pos
.col
;
6677 case ')': amount
-= ind_unclosed2
;
6683 /* Use ind_unclosed once, when the first '(' is not inside
6686 amount
+= ind_unclosed
;
6689 curwin
->w_cursor
.lnum
= our_paren_pos
.lnum
;
6690 curwin
->w_cursor
.col
= col
;
6691 if ((trypos
= find_match_paren(ind_maxparen
,
6692 ind_maxcomment
)) != NULL
)
6693 amount
+= ind_unclosed2
;
6695 amount
+= ind_unclosed
;
6698 * For a line starting with ')' use the minimum of the two
6699 * positions, to avoid giving it more indent than the previous
6701 * func_long_name( if (x
6703 * ) ^ not here ) ^ not here
6705 if (cur_amount
< amount
)
6706 amount
= cur_amount
;
6710 /* add extra indent for a comment */
6711 if (cin_iscomment(theline
))
6712 amount
+= ind_comment
;
6716 * Are we at least inside braces, then?
6720 trypos
= tryposBrace
;
6722 ourscope
= trypos
->lnum
;
6723 start
= ml_get(ourscope
);
6726 * Now figure out how indented the line is in general.
6727 * If the brace was at the start of the line, we use that;
6728 * otherwise, check out the indentation of the line as
6729 * a whole and then add the "imaginary indent" to that.
6731 look
= skipwhite(start
);
6734 getvcol(curwin
, trypos
, &col
, NULL
, NULL
);
6737 start_brace
= BRACE_IN_COL0
;
6739 start_brace
= BRACE_AT_START
;
6744 * that opening brace might have been on a continuation
6745 * line. if so, find the start of the line.
6747 curwin
->w_cursor
.lnum
= ourscope
;
6750 * position the cursor over the rightmost paren, so that
6751 * matching it will take us back to the start of the line.
6754 if (find_last_paren(start
, '(', ')')
6755 && (trypos
= find_match_paren(ind_maxparen
,
6756 ind_maxcomment
)) != NULL
)
6757 lnum
= trypos
->lnum
;
6760 * It could have been something like
6761 * case 1: if (asdf &&
6765 if (ind_keep_case_label
&& cin_iscase(skipwhite(ml_get_curline())))
6766 amount
= get_indent();
6768 amount
= skip_label(lnum
, &l
, ind_maxcomment
);
6770 start_brace
= BRACE_AT_END
;
6774 * if we're looking at a closing brace, that's where
6775 * we want to be. otherwise, add the amount of room
6776 * that an indent is supposed to be.
6778 if (theline
[0] == '}')
6781 * they may want closing braces to line up with something
6782 * other than the open brace. indulge them, if so.
6784 amount
+= ind_close_extra
;
6789 * If we're looking at an "else", try to find an "if"
6791 * If we're looking at a "while", try to find a "do"
6794 lookfor
= LOOKFOR_INITIAL
;
6795 if (cin_iselse(theline
))
6796 lookfor
= LOOKFOR_IF
;
6797 else if (cin_iswhileofdo(theline
, cur_curpos
.lnum
, ind_maxparen
))
6799 lookfor
= LOOKFOR_DO
;
6800 if (lookfor
!= LOOKFOR_INITIAL
)
6802 curwin
->w_cursor
.lnum
= cur_curpos
.lnum
;
6803 if (find_match(lookfor
, ourscope
, ind_maxparen
,
6804 ind_maxcomment
) == OK
)
6806 amount
= get_indent(); /* XXX */
6812 * We get here if we are not on an "while-of-do" or "else" (or
6813 * failed to find a matching "if").
6814 * Search backwards for something to line up with.
6815 * First set amount for when we don't find anything.
6819 * if the '{' is _really_ at the left margin, use the imaginary
6820 * location of a left-margin brace. Otherwise, correct the
6821 * location for ind_open_extra.
6824 if (start_brace
== BRACE_IN_COL0
) /* '{' is in column 0 */
6826 amount
= ind_open_left_imag
;
6830 if (start_brace
== BRACE_AT_END
) /* '{' is at end of line */
6831 amount
+= ind_open_imag
;
6834 /* Compensate for adding ind_open_extra later. */
6835 amount
-= ind_open_extra
;
6841 lookfor_break
= FALSE
;
6843 if (cin_iscase(theline
)) /* it's a switch() label */
6845 lookfor
= LOOKFOR_CASE
; /* find a previous switch() label */
6848 else if (cin_isscopedecl(theline
)) /* private:, ... */
6850 lookfor
= LOOKFOR_SCOPEDECL
; /* class decl is this block */
6851 amount
+= ind_scopedecl
;
6855 if (ind_case_break
&& cin_isbreak(theline
)) /* break; ... */
6856 lookfor_break
= TRUE
;
6858 lookfor
= LOOKFOR_INITIAL
;
6859 amount
+= ind_level
; /* ind_level from start of block */
6861 scope_amount
= amount
;
6865 * Search backwards. If we find something we recognize, line up
6868 * if we're looking at an open brace, indent
6869 * the usual amount relative to the conditional
6870 * that opens the block.
6872 curwin
->w_cursor
= cur_curpos
;
6875 curwin
->w_cursor
.lnum
--;
6876 curwin
->w_cursor
.col
= 0;
6879 * If we went all the way back to the start of our scope, line
6882 if (curwin
->w_cursor
.lnum
<= ourscope
)
6884 /* we reached end of scope:
6885 * if looking for a enum or structure initialization
6887 * if it is an initializer (enum xxx or xxx =), then
6888 * don't add ind_continuation, otherwise it is a variable
6891 * here; <-- add ind_continuation
6893 if (lookfor
== LOOKFOR_ENUM_OR_INIT
)
6895 if (curwin
->w_cursor
.lnum
== 0
6896 || curwin
->w_cursor
.lnum
6897 < ourscope
- ind_maxparen
)
6899 /* nothing found (abuse ind_maxparen as limit)
6900 * assume terminated line (i.e. a variable
6901 * initialization) */
6902 if (cont_amount
> 0)
6903 amount
= cont_amount
;
6905 amount
+= ind_continuation
;
6909 l
= ml_get_curline();
6912 * If we're in a comment now, skip to the start of the
6915 trypos
= find_start_comment(ind_maxcomment
);
6918 curwin
->w_cursor
.lnum
= trypos
->lnum
+ 1;
6919 curwin
->w_cursor
.col
= 0;
6924 * Skip preprocessor directives and blank lines.
6926 if (cin_ispreproc_cont(&l
, &curwin
->w_cursor
.lnum
))
6932 terminated
= cin_isterminated(l
, FALSE
, TRUE
);
6935 * If we are at top level and the line looks like a
6936 * function declaration, we are done
6937 * (it's a variable declaration).
6939 if (start_brace
!= BRACE_IN_COL0
6940 || !cin_isfuncdecl(&l
, curwin
->w_cursor
.lnum
))
6942 /* if the line is terminated with another ','
6943 * it is a continued variable initialization.
6944 * don't add extra indent.
6945 * TODO: does not work, if a function
6946 * declaration is split over multiple lines:
6947 * cin_isfuncdecl returns FALSE then.
6949 if (terminated
== ',')
6952 /* if it es a enum declaration or an assignment,
6955 if (terminated
!= ';' && cin_isinit())
6958 /* nothing useful found */
6959 if (terminated
== 0 || terminated
== '{')
6963 if (terminated
!= ';')
6965 /* Skip parens and braces. Position the cursor
6966 * over the rightmost paren, so that matching it
6967 * will take us back to the start of the line.
6970 if (find_last_paren(l
, '(', ')'))
6971 trypos
= find_match_paren(ind_maxparen
,
6974 if (trypos
== NULL
&& find_last_paren(l
, '{', '}'))
6975 trypos
= find_start_brace(ind_maxcomment
);
6979 curwin
->w_cursor
.lnum
= trypos
->lnum
+ 1;
6980 curwin
->w_cursor
.col
= 0;
6985 /* it's a variable declaration, add indentation
6990 if (cont_amount
> 0)
6991 amount
= cont_amount
;
6993 amount
+= ind_continuation
;
6995 else if (lookfor
== LOOKFOR_UNTERM
)
6997 if (cont_amount
> 0)
6998 amount
= cont_amount
;
7000 amount
+= ind_continuation
;
7002 else if (lookfor
!= LOOKFOR_TERM
7003 && lookfor
!= LOOKFOR_CPP_BASECLASS
)
7005 amount
= scope_amount
;
7006 if (theline
[0] == '{')
7007 amount
+= ind_open_extra
;
7013 * If we're in a comment now, skip to the start of the comment.
7015 if ((trypos
= find_start_comment(ind_maxcomment
)) != NULL
)
7017 curwin
->w_cursor
.lnum
= trypos
->lnum
+ 1;
7018 curwin
->w_cursor
.col
= 0;
7022 l
= ml_get_curline();
7025 * If this is a switch() label, may line up relative to that.
7026 * If this is a C++ scope declaration, do the same.
7028 iscase
= cin_iscase(l
);
7029 if (iscase
|| cin_isscopedecl(l
))
7031 /* we are only looking for cpp base class
7032 * declaration/initialization any longer */
7033 if (lookfor
== LOOKFOR_CPP_BASECLASS
)
7036 /* When looking for a "do" we are not interested in
7043 * c = 99 + <- this indent plus continuation
7046 if (lookfor
== LOOKFOR_UNTERM
7047 || lookfor
== LOOKFOR_ENUM_OR_INIT
)
7049 if (cont_amount
> 0)
7050 amount
= cont_amount
;
7052 amount
+= ind_continuation
;
7057 * case xx: <- line up with this case
7061 if ( (iscase
&& lookfor
== LOOKFOR_CASE
)
7062 || (iscase
&& lookfor_break
)
7063 || (!iscase
&& lookfor
== LOOKFOR_SCOPEDECL
))
7066 * Check that this case label is not for another
7069 if ((trypos
= find_start_brace(ind_maxcomment
)) ==
7070 NULL
|| trypos
->lnum
== ourscope
)
7072 amount
= get_indent(); /* XXX */
7078 n
= get_indent_nolabel(curwin
->w_cursor
.lnum
); /* XXX */
7081 * case xx: if (cond) <- line up with this if
7086 * if (cond) <- line up with this line
7090 if (lookfor
== LOOKFOR_TERM
)
7100 * case xx: x = x + 1; <- line up with this x
7103 * case xx: if (cond) <- line up with this if
7109 l
= after_label(ml_get_curline());
7110 if (l
!= NULL
&& cin_is_cinword(l
))
7112 if (theline
[0] == '{')
7113 amount
+= ind_open_extra
;
7115 amount
+= ind_level
+ ind_no_brace
;
7121 * Try to get the indent of a statement before the switch
7122 * label. If nothing is found, line up relative to the
7124 * break; <- may line up with this line
7128 scope_amount
= get_indent() + (iscase
/* XXX */
7129 ? ind_case_code
: ind_scopedecl_code
);
7130 lookfor
= ind_case_break
? LOOKFOR_NOBREAK
: LOOKFOR_ANY
;
7135 * Looking for a switch() label or C++ scope declaration,
7136 * ignore other lines, skip {}-blocks.
7138 if (lookfor
== LOOKFOR_CASE
|| lookfor
== LOOKFOR_SCOPEDECL
)
7140 if (find_last_paren(l
, '{', '}') && (trypos
=
7141 find_start_brace(ind_maxcomment
)) != NULL
)
7143 curwin
->w_cursor
.lnum
= trypos
->lnum
+ 1;
7144 curwin
->w_cursor
.col
= 0;
7150 * Ignore jump labels with nothing after them.
7152 if (cin_islabel(ind_maxcomment
))
7154 l
= after_label(ml_get_curline());
7155 if (l
== NULL
|| cin_nocode(l
))
7160 * Ignore #defines, #if, etc.
7161 * Ignore comment and empty lines.
7162 * (need to get the line again, cin_islabel() may have
7165 l
= ml_get_curline();
7166 if (cin_ispreproc_cont(&l
, &curwin
->w_cursor
.lnum
)
7171 * Are we at the start of a cpp base class declaration or
7172 * constructor initialization?
7175 if (lookfor
!= LOOKFOR_TERM
&& ind_cpp_baseclass
> 0)
7177 n
= cin_is_cpp_baseclass(&col
);
7178 l
= ml_get_curline();
7182 if (lookfor
== LOOKFOR_UNTERM
)
7184 if (cont_amount
> 0)
7185 amount
= cont_amount
;
7187 amount
+= ind_continuation
;
7189 else if (theline
[0] == '{')
7191 /* Need to find start of the declaration. */
7192 lookfor
= LOOKFOR_UNTERM
;
7193 ind_continuation
= 0;
7198 amount
= get_baseclass_amount(col
, ind_maxparen
,
7199 ind_maxcomment
, ind_cpp_baseclass
);
7202 else if (lookfor
== LOOKFOR_CPP_BASECLASS
)
7204 /* only look, whether there is a cpp base class
7205 * declaration or initialization before the opening brace.
7207 if (cin_isterminated(l
, TRUE
, FALSE
))
7214 * What happens next depends on the line being terminated.
7215 * If terminated with a ',' only consider it terminating if
7216 * there is another unterminated statement behind, eg:
7220 * Otherwise check whether it is a enumeration or structure
7221 * initialisation (not indented) or a variable declaration
7224 terminated
= cin_isterminated(l
, FALSE
, TRUE
);
7226 if (terminated
== 0 || (lookfor
!= LOOKFOR_UNTERM
7227 && terminated
== ','))
7230 * if we're in the middle of a paren thing,
7231 * go back to the line that starts it so
7232 * we can get the right prevailing indent
7237 * position the cursor over the rightmost paren, so that
7238 * matching it will take us back to the start of the line.
7240 (void)find_last_paren(l
, '(', ')');
7241 trypos
= find_match_paren(
7242 corr_ind_maxparen(ind_maxparen
, &cur_curpos
),
7246 * If we are looking for ',', we also look for matching
7249 if (trypos
== NULL
&& terminated
== ','
7250 && find_last_paren(l
, '{', '}'))
7251 trypos
= find_start_brace(ind_maxcomment
);
7256 * Check if we are on a case label now. This is
7258 * case xx: if ( asdf &&
7261 curwin
->w_cursor
= *trypos
;
7262 l
= ml_get_curline();
7263 if (cin_iscase(l
) || cin_isscopedecl(l
))
7265 ++curwin
->w_cursor
.lnum
;
7266 curwin
->w_cursor
.col
= 0;
7272 * Skip over continuation lines to find the one to get the
7274 * char *usethis = "bla\
7278 if (terminated
== ',')
7280 while (curwin
->w_cursor
.lnum
> 1)
7282 l
= ml_get(curwin
->w_cursor
.lnum
- 1);
7283 if (*l
== NUL
|| l
[STRLEN(l
) - 1] != '\\')
7285 --curwin
->w_cursor
.lnum
;
7286 curwin
->w_cursor
.col
= 0;
7291 * Get indent and pointer to text for current line,
7292 * ignoring any jump label. XXX
7294 cur_amount
= skip_label(curwin
->w_cursor
.lnum
,
7295 &l
, ind_maxcomment
);
7298 * If this is just above the line we are indenting, and it
7299 * starts with a '{', line it up with this line.
7304 if (terminated
!= ',' && lookfor
!= LOOKFOR_TERM
7305 && theline
[0] == '{')
7307 amount
= cur_amount
;
7309 * Only add ind_open_extra when the current line
7310 * doesn't start with a '{', which must have a match
7311 * in the same line (scope is the same). Probably:
7315 if (*skipwhite(l
) != '{')
7316 amount
+= ind_open_extra
;
7318 if (ind_cpp_baseclass
)
7320 /* have to look back, whether it is a cpp base
7321 * class declaration or initialization */
7322 lookfor
= LOOKFOR_CPP_BASECLASS
;
7329 * Check if we are after an "if", "while", etc.
7330 * Also allow " } else".
7332 if (cin_is_cinword(l
) || cin_iselse(skipwhite(l
)))
7335 * Found an unterminated line after an if (), line up
7336 * with the last one.
7341 if (lookfor
== LOOKFOR_UNTERM
7342 || lookfor
== LOOKFOR_ENUM_OR_INIT
)
7344 if (cont_amount
> 0)
7345 amount
= cont_amount
;
7347 amount
+= ind_continuation
;
7352 * If this is just above the line we are indenting, we
7356 * Otherwise this indent can be used when the line
7357 * before this is terminated.
7364 amount
= cur_amount
;
7365 if (theline
[0] == '{')
7366 amount
+= ind_open_extra
;
7367 if (lookfor
!= LOOKFOR_TERM
)
7369 amount
+= ind_level
+ ind_no_brace
;
7374 * Special trick: when expecting the while () after a
7375 * do, line up with the while()
7380 l
= skipwhite(ml_get_curline());
7383 if (whilelevel
== 0)
7389 * When searching for a terminated line, don't use the
7390 * one between the "if" and the "else".
7391 * Need to use the scope of this "else". XXX
7392 * If whilelevel != 0 continue looking for a "do {".
7396 && ((trypos
= find_start_brace(ind_maxcomment
))
7398 || find_match(LOOKFOR_IF
, trypos
->lnum
,
7399 ind_maxparen
, ind_maxcomment
) == FAIL
))
7404 * If we're below an unterminated line that is not an
7405 * "if" or something, we may line up with this line or
7406 * add something for a continuation line, depending on
7407 * the line before this one.
7412 * Found two unterminated lines on a row, line up with
7418 if (lookfor
== LOOKFOR_UNTERM
)
7420 /* When line ends in a comma add extra indent */
7421 if (terminated
== ',')
7422 amount
+= ind_continuation
;
7426 if (lookfor
== LOOKFOR_ENUM_OR_INIT
)
7428 /* Found two lines ending in ',', lineup with the
7429 * lowest one, but check for cpp base class
7430 * declaration/initialization, if it is an
7431 * opening brace or we are looking just for
7432 * enumerations/initializations. */
7433 if (terminated
== ',')
7435 if (ind_cpp_baseclass
== 0)
7438 lookfor
= LOOKFOR_CPP_BASECLASS
;
7442 /* Ignore unterminated lines in between, but
7444 if (amount
> cur_amount
)
7445 amount
= cur_amount
;
7450 * Found first unterminated line on a row, may
7451 * line up with this line, remember its indent
7455 amount
= cur_amount
;
7458 * If previous line ends in ',', check whether we
7459 * are in an initialization or enum
7464 * or a normal possible continuation line.
7465 * but only, of no other statement has been found
7468 if (lookfor
== LOOKFOR_INITIAL
&& terminated
== ',')
7470 lookfor
= LOOKFOR_ENUM_OR_INIT
;
7471 cont_amount
= cin_first_id_amount();
7475 if (lookfor
== LOOKFOR_INITIAL
7477 && l
[STRLEN(l
) - 1] == '\\')
7479 cont_amount
= cin_get_equal_amount(
7480 curwin
->w_cursor
.lnum
);
7481 if (lookfor
!= LOOKFOR_TERM
)
7482 lookfor
= LOOKFOR_UNTERM
;
7489 * Check if we are after a while (cond);
7490 * If so: Ignore until the matching "do".
7493 else if (cin_iswhileofdo_end(terminated
, ind_maxparen
,
7497 * Found an unterminated line after a while ();, line up
7498 * with the last one.
7500 * 100 + <- line up with this one
7503 if (lookfor
== LOOKFOR_UNTERM
7504 || lookfor
== LOOKFOR_ENUM_OR_INIT
)
7506 if (cont_amount
> 0)
7507 amount
= cont_amount
;
7509 amount
+= ind_continuation
;
7513 if (whilelevel
== 0)
7515 lookfor
= LOOKFOR_TERM
;
7516 amount
= get_indent(); /* XXX */
7517 if (theline
[0] == '{')
7518 amount
+= ind_open_extra
;
7524 * We are after a "normal" statement.
7525 * If we had another statement we can stop now and use the
7526 * indent of that other statement.
7527 * Otherwise the indent of the current statement may be used,
7528 * search backwards for the next "normal" statement.
7533 * Skip single break line, if before a switch label. It
7534 * may be lined up with the case label.
7536 if (lookfor
== LOOKFOR_NOBREAK
7537 && cin_isbreak(skipwhite(ml_get_curline())))
7539 lookfor
= LOOKFOR_ANY
;
7544 * Handle "do {" line.
7548 l
= cin_skipcomment(ml_get_curline());
7551 amount
= get_indent(); /* XXX */
7558 * Found a terminated line above an unterminated line. Add
7559 * the amount for a continuation line.
7568 if (lookfor
== LOOKFOR_UNTERM
7569 || lookfor
== LOOKFOR_ENUM_OR_INIT
)
7571 if (cont_amount
> 0)
7572 amount
= cont_amount
;
7574 amount
+= ind_continuation
;
7579 * Found a terminated line above a terminated line or "if"
7580 * etc. line. Use the amount of the line below us.
7583 * while (asdf) ->here;
7587 if (lookfor
== LOOKFOR_TERM
)
7589 if (!lookfor_break
&& whilelevel
== 0)
7594 * First line above the one we're indenting is terminated.
7595 * To know what needs to be done look further backward for
7596 * a terminated line.
7601 * position the cursor over the rightmost paren, so
7602 * that matching it will take us back to the start of
7603 * the line. Helps for:
7609 l
= ml_get_curline();
7610 if (find_last_paren(l
, '(', ')')
7611 && (trypos
= find_match_paren(ind_maxparen
,
7612 ind_maxcomment
)) != NULL
)
7615 * Check if we are on a case label now. This is
7617 * case xx: if ( asdf &&
7620 curwin
->w_cursor
= *trypos
;
7621 l
= ml_get_curline();
7622 if (cin_iscase(l
) || cin_isscopedecl(l
))
7624 ++curwin
->w_cursor
.lnum
;
7625 curwin
->w_cursor
.col
= 0;
7630 /* When aligning with the case statement, don't align
7631 * with a statement after it.
7632 * case 1: { <-- don't use this { position
7639 iscase
= (ind_keep_case_label
&& cin_iscase(l
));
7642 * Get indent and pointer to text for current line,
7643 * ignoring any jump label.
7645 amount
= skip_label(curwin
->w_cursor
.lnum
,
7646 &l
, ind_maxcomment
);
7648 if (theline
[0] == '{')
7649 amount
+= ind_open_extra
;
7650 /* See remark above: "Only add ind_open_extra.." */
7653 amount
-= ind_open_extra
;
7654 lookfor
= iscase
? LOOKFOR_ANY
: LOOKFOR_TERM
;
7657 * When a terminated line starts with "else" skip to
7658 * the matching "if":
7661 * Need to use the scope of this "else". XXX
7662 * If whilelevel != 0 continue looking for a "do {".
7664 if (lookfor
== LOOKFOR_TERM
7669 if ((trypos
= find_start_brace(ind_maxcomment
))
7671 || find_match(LOOKFOR_IF
, trypos
->lnum
,
7672 ind_maxparen
, ind_maxcomment
) == FAIL
)
7678 * If we're at the end of a block, skip to the start of
7681 curwin
->w_cursor
.col
= 0;
7682 if (*cin_skipcomment(l
) == '}'
7683 && (trypos
= find_start_brace(ind_maxcomment
))
7686 curwin
->w_cursor
= *trypos
;
7687 /* if not "else {" check for terminated again */
7688 /* but skip block for "} else {" */
7689 l
= cin_skipcomment(ml_get_curline());
7690 if (*l
== '}' || !cin_iselse(l
))
7692 ++curwin
->w_cursor
.lnum
;
7693 curwin
->w_cursor
.col
= 0;
7701 /* add extra indent for a comment */
7702 if (cin_iscomment(theline
))
7703 amount
+= ind_comment
;
7707 * ok -- we're not inside any sort of structure at all!
7709 * this means we're at the top level, and everything should
7710 * basically just match where the previous line is, except
7711 * for the lines immediately following a function declaration,
7712 * which are K&R-style parameters and need to be indented.
7717 * if our line starts with an open brace, forget about any
7718 * prevailing indent and make sure it looks like the start
7722 if (theline
[0] == '{')
7724 amount
= ind_first_open
;
7728 * If the NEXT line is a function declaration, the current
7729 * line needs to be indented as a function type spec.
7730 * Don't do this if the current line looks like a comment
7731 * or if the current line is terminated, ie. ends in ';'.
7733 else if (cur_curpos
.lnum
< curbuf
->b_ml
.ml_line_count
7734 && !cin_nocode(theline
)
7735 && !cin_ends_in(theline
, (char_u
*)":", NULL
)
7736 && !cin_ends_in(theline
, (char_u
*)",", NULL
)
7737 && cin_isfuncdecl(NULL
, cur_curpos
.lnum
+ 1)
7738 && !cin_isterminated(theline
, FALSE
, TRUE
))
7740 amount
= ind_func_type
;
7745 curwin
->w_cursor
= cur_curpos
;
7747 /* search backwards until we find something we recognize */
7749 while (curwin
->w_cursor
.lnum
> 1)
7751 curwin
->w_cursor
.lnum
--;
7752 curwin
->w_cursor
.col
= 0;
7754 l
= ml_get_curline();
7757 * If we're in a comment now, skip to the start of the comment.
7759 if ((trypos
= find_start_comment(ind_maxcomment
)) != NULL
)
7761 curwin
->w_cursor
.lnum
= trypos
->lnum
+ 1;
7762 curwin
->w_cursor
.col
= 0;
7767 * Are we at the start of a cpp base class declaration or
7768 * constructor initialization?
7771 if (ind_cpp_baseclass
!= 0 && theline
[0] != '{')
7773 n
= cin_is_cpp_baseclass(&col
);
7774 l
= ml_get_curline();
7779 amount
= get_baseclass_amount(col
, ind_maxparen
,
7780 ind_maxcomment
, ind_cpp_baseclass
);
7785 * Skip preprocessor directives and blank lines.
7787 if (cin_ispreproc_cont(&l
, &curwin
->w_cursor
.lnum
))
7794 * If the previous line ends in ',', use one level of
7798 * do this before checking for '}' in case of eg.
7806 if (cin_ends_in(l
, (char_u
*)",", NULL
)
7807 || (*l
!= NUL
&& (n
= l
[STRLEN(l
) - 1]) == '\\'))
7809 /* take us back to opening paren */
7810 if (find_last_paren(l
, '(', ')')
7811 && (trypos
= find_match_paren(ind_maxparen
,
7812 ind_maxcomment
)) != NULL
)
7813 curwin
->w_cursor
= *trypos
;
7815 /* For a line ending in ',' that is a continuation line go
7816 * back to the first line with a backslash:
7821 while (n
== 0 && curwin
->w_cursor
.lnum
> 1)
7823 l
= ml_get(curwin
->w_cursor
.lnum
- 1);
7824 if (*l
== NUL
|| l
[STRLEN(l
) - 1] != '\\')
7826 --curwin
->w_cursor
.lnum
;
7827 curwin
->w_cursor
.col
= 0;
7830 amount
= get_indent(); /* XXX */
7833 amount
= cin_first_id_amount();
7835 amount
= ind_continuation
;
7840 * If the line looks like a function declaration, and we're
7841 * not in a comment, put it the left margin.
7843 if (cin_isfuncdecl(NULL
, cur_curpos
.lnum
)) /* XXX */
7845 l
= ml_get_curline();
7848 * Finding the closing '}' of a previous function. Put
7849 * current line at the left margin. For when 'cino' has "fs".
7851 if (*skipwhite(l
) == '}')
7855 * If the previous line ends on '};' (maybe followed by
7856 * comments) align at column 0. For example:
7857 * char *string_array[] = { "foo",
7858 * / * x * / "b};ar" }; / * foobar * /
7860 if (cin_ends_in(l
, (char_u
*)"};", NULL
))
7864 * If the PREVIOUS line is a function declaration, the current
7865 * line (and the ones that follow) needs to be indented as
7868 if (cin_isfuncdecl(&l
, curwin
->w_cursor
.lnum
))
7875 * If the previous line ends in ';' and the line before the
7876 * previous line ends in ',' or '\', ident to column zero:
7881 if (cin_ends_in(l
, (char_u
*)";", NULL
))
7883 l
= ml_get(curwin
->w_cursor
.lnum
- 1);
7884 if (cin_ends_in(l
, (char_u
*)",", NULL
)
7885 || (*l
!= NUL
&& l
[STRLEN(l
) - 1] == '\\'))
7887 l
= ml_get_curline();
7891 * Doesn't look like anything interesting -- so just
7892 * use the indent of this line.
7894 * Position the cursor over the rightmost paren, so that
7895 * matching it will take us back to the start of the line.
7897 find_last_paren(l
, '(', ')');
7899 if ((trypos
= find_match_paren(ind_maxparen
,
7900 ind_maxcomment
)) != NULL
)
7901 curwin
->w_cursor
= *trypos
;
7902 amount
= get_indent(); /* XXX */
7906 /* add extra indent for a comment */
7907 if (cin_iscomment(theline
))
7908 amount
+= ind_comment
;
7910 /* add extra indent if the previous line ended in a backslash:
7913 * char *foo = "asdf\
7916 if (cur_curpos
.lnum
> 1)
7918 l
= ml_get(cur_curpos
.lnum
- 1);
7919 if (*l
!= NUL
&& l
[STRLEN(l
) - 1] == '\\')
7921 cur_amount
= cin_get_equal_amount(cur_curpos
.lnum
- 1);
7923 amount
= cur_amount
;
7924 else if (cur_amount
== 0)
7925 amount
+= ind_continuation
;
7932 /* put the cursor back where it belongs */
7933 curwin
->w_cursor
= cur_curpos
;
7943 find_match(lookfor
, ourscope
, ind_maxparen
, ind_maxcomment
)
7955 if (lookfor
== LOOKFOR_IF
)
7966 curwin
->w_cursor
.col
= 0;
7968 while (curwin
->w_cursor
.lnum
> ourscope
+ 1)
7970 curwin
->w_cursor
.lnum
--;
7971 curwin
->w_cursor
.col
= 0;
7973 look
= cin_skipcomment(ml_get_curline());
7974 if (cin_iselse(look
)
7976 || cin_isdo(look
) /* XXX */
7977 || cin_iswhileofdo(look
, curwin
->w_cursor
.lnum
, ind_maxparen
))
7980 * if we've gone outside the braces entirely,
7981 * we must be out of scope...
7983 theirscope
= find_start_brace(ind_maxcomment
); /* XXX */
7984 if (theirscope
== NULL
)
7988 * and if the brace enclosing this is further
7989 * back than the one enclosing the else, we're
7992 if (theirscope
->lnum
< ourscope
)
7996 * and if they're enclosed in a *deeper* brace,
7997 * then we can ignore it because it's in a
7998 * different scope...
8000 if (theirscope
->lnum
> ourscope
)
8004 * if it was an "else" (that's not an "else if")
8005 * then we need to go back to another if, so
8006 * increment elselevel
8008 look
= cin_skipcomment(ml_get_curline());
8009 if (cin_iselse(look
))
8011 mightbeif
= cin_skipcomment(look
+ 4);
8012 if (!cin_isif(mightbeif
))
8018 * if it was a "while" then we need to go back to
8019 * another "do", so increment whilelevel. XXX
8021 if (cin_iswhileofdo(look
, curwin
->w_cursor
.lnum
, ind_maxparen
))
8027 /* If it's an "if" decrement elselevel */
8028 look
= cin_skipcomment(ml_get_curline());
8033 * When looking for an "if" ignore "while"s that
8036 if (elselevel
== 0 && lookfor
== LOOKFOR_IF
)
8040 /* If it's a "do" decrement whilelevel */
8045 * if we've used up all the elses, then
8046 * this must be the if that we want!
8047 * match the indent level of that if.
8049 if (elselevel
<= 0 && whilelevel
<= 0)
8058 # if defined(FEAT_EVAL) || defined(PROTO)
8060 * Get indent level from 'indentexpr'.
8068 int use_sandbox
= was_set_insecurely((char_u
*)"indentexpr",
8071 pos
= curwin
->w_cursor
;
8072 set_vim_var_nr(VV_LNUM
, curwin
->w_cursor
.lnum
);
8076 indent
= eval_to_number(curbuf
->b_p_inde
);
8081 /* Restore the cursor position so that 'indentexpr' doesn't need to.
8082 * Pretend to be in Insert mode, allow cursor past end of line for "o"
8086 curwin
->w_cursor
= pos
;
8090 /* If there is an error, just keep the current indent. */
8092 indent
= get_indent();
8098 #endif /* FEAT_CINDENT */
8100 #if defined(FEAT_LISP) || defined(PROTO)
8102 static int lisp_match
__ARGS((char_u
*p
));
8110 char_u
*word
= p_lispwords
;
8112 while (*word
!= NUL
)
8114 (void)copy_option_part(&word
, buf
, LSIZE
, ",");
8115 len
= (int)STRLEN(buf
);
8116 if (STRNCMP(buf
, p
, len
) == 0 && p
[len
] == ' ')
8123 * When 'p' is present in 'cpoptions, a Vi compatible method is used.
8124 * The incompatible newer method is quite a bit better at indenting
8125 * code in lisp-like languages than the traditional one; it's still
8126 * mostly heuristics however -- Dirk van Deun, dirk@rave.org
8129 * Findmatch() should be adapted for lisp, also to make showmatch
8130 * work correctly: now (v5.3) it seems all C/C++ oriented:
8131 * - it does not recognize the #\( and #\) notations as character literals
8132 * - it doesn't know about comments starting with a semicolon
8133 * - it incorrectly interprets '(' as a character literal
8134 * All this messes up get_lisp_indent in some rare cases.
8135 * Update from Sergey Khorev:
8136 * I tried to fix the first two issues.
8141 pos_T
*pos
, realpos
, paren
;
8146 int parencount
, quotecount
;
8149 /* Set vi_lisp to use the vi-compatible method */
8150 vi_lisp
= (vim_strchr(p_cpo
, CPO_LISP
) != NULL
);
8152 realpos
= curwin
->w_cursor
;
8153 curwin
->w_cursor
.col
= 0;
8155 if ((pos
= findmatch(NULL
, '(')) == NULL
)
8156 pos
= findmatch(NULL
, '[');
8160 pos
= findmatch(NULL
, '[');
8161 if (pos
== NULL
|| ltp(pos
, &paren
))
8166 /* Extra trick: Take the indent of the first previous non-white
8167 * line that is at the same () level. */
8171 while (--curwin
->w_cursor
.lnum
>= pos
->lnum
)
8173 if (linewhite(curwin
->w_cursor
.lnum
))
8175 for (that
= ml_get_curline(); *that
!= NUL
; ++that
)
8179 while (*(that
+ 1) != NUL
)
8185 if (*(that
+ 1) != NUL
)
8189 if (*that
== '"' && *(that
+ 1) != NUL
)
8191 while (*++that
&& *that
!= '"')
8193 /* skipping escaped characters in the string */
8206 if (*that
== '(' || *that
== '[')
8208 else if (*that
== ')' || *that
== ']')
8211 if (parencount
== 0)
8213 amount
= get_indent();
8220 curwin
->w_cursor
.lnum
= pos
->lnum
;
8221 curwin
->w_cursor
.col
= pos
->col
;
8224 that
= ml_get_curline();
8226 if (vi_lisp
&& get_indent() == 0)
8231 while (*that
&& col
)
8233 amount
+= lbr_chartabsize_adv(&that
, (colnr_T
)amount
);
8238 * Some keywords require "body" indenting rules (the
8239 * non-standard-lisp ones are Scheme special forms):
8241 * (let ((a 1)) instead (let ((a 1))
8245 if (!vi_lisp
&& (*that
== '(' || *that
== '[')
8246 && lisp_match(that
+ 1))
8254 while (vim_iswhite(*that
))
8256 amount
+= lbr_chartabsize(that
, (colnr_T
)amount
);
8260 if (*that
&& *that
!= ';') /* not a comment line */
8262 /* test *that != '(' to accommodate first let/do
8263 * argument if it is more than one line */
8264 if (!vi_lisp
&& *that
!= '(' && *that
!= '[')
8274 && (*that
< '0' || *that
> '9')))
8277 && (!vim_iswhite(*that
)
8280 && (!((*that
== '(' || *that
== '[')
8286 quotecount
= !quotecount
;
8287 if ((*that
== '(' || *that
== '[')
8290 if ((*that
== ')' || *that
== ']')
8293 if (*that
== '\\' && *(that
+1) != NUL
)
8294 amount
+= lbr_chartabsize_adv(&that
,
8296 amount
+= lbr_chartabsize_adv(&that
,
8300 while (vim_iswhite(*that
))
8302 amount
+= lbr_chartabsize(that
, (colnr_T
)amount
);
8305 if (!*that
|| *that
== ';')
8313 amount
= 0; /* no matching '(' or '[' found, use zero indent */
8315 curwin
->w_cursor
= realpos
;
8319 #endif /* FEAT_LISP */
8324 #if defined(SIGHUP) && defined(SIG_IGN)
8325 /* Ignore SIGHUP, because a dropped connection causes a read error, which
8326 * makes Vim exit and then handling SIGHUP causes various reentrance
8328 signal(SIGHUP
, SIG_IGN
);
8335 out_trash(); /* trash any pending output */
8340 windgoto((int)Rows
- 1, 0);
8343 * Switch terminal mode back now, so messages end up on the "normal"
8344 * screen (if there are two screens).
8346 settmode(TMODE_COOK
);
8348 if (can_end_termcap_mode(FALSE
) == TRUE
)
8356 * Preserve files and exit.
8357 * When called IObuff must contain a message.
8366 /* Setting this will prevent free() calls. That avoids calling free()
8367 * recursively when free() was invoked with a bad pointer. */
8368 really_exiting
= TRUE
;
8371 screen_start(); /* don't know where cursor is now */
8374 ml_close_notmod(); /* close all not-modified buffers */
8376 for (buf
= firstbuf
; buf
!= NULL
; buf
= buf
->b_next
)
8378 if (buf
->b_ml
.ml_mfp
!= NULL
&& buf
->b_ml
.ml_mfp
->mf_fname
!= NULL
)
8380 OUT_STR(_("Vim: preserving files...\n"));
8381 screen_start(); /* don't know where cursor is now */
8383 ml_sync_all(FALSE
, FALSE
); /* preserve all swap files */
8388 ml_close_all(FALSE
); /* close all memfiles, without deleting */
8390 OUT_STR(_("Vim: Finished.\n"));
8396 * return TRUE if "fname" exists.
8404 if (mch_stat((char *)fname
, &st
))
8410 * Check for CTRL-C pressed, but only once in a while.
8411 * Should be used instead of ui_breakcheck() for functions that check for
8412 * each line in the file. Calling ui_breakcheck() each time takes too much
8413 * time, because it can be a system call.
8416 #ifndef BREAKCHECK_SKIP
8417 # ifdef FEAT_GUI /* assume the GUI only runs on fast computers */
8418 # define BREAKCHECK_SKIP 200
8420 # define BREAKCHECK_SKIP 32
8424 static int breakcheck_count
= 0;
8429 if (++breakcheck_count
>= BREAKCHECK_SKIP
)
8431 breakcheck_count
= 0;
8437 * Like line_breakcheck() but check 10 times less often.
8442 if (++breakcheck_count
>= BREAKCHECK_SKIP
* 10)
8444 breakcheck_count
= 0;
8450 * Expand wildcards. Calls gen_expand_wildcards() and removes files matching
8452 * Returns OK or FAIL.
8455 expand_wildcards(num_pat
, pat
, num_file
, file
, flags
)
8456 int num_pat
; /* number of input patterns */
8457 char_u
**pat
; /* array of input patterns */
8458 int *num_file
; /* resulting number of files */
8459 char_u
***file
; /* array of resulting files */
8460 int flags
; /* EW_DIR, etc. */
8465 int non_suf_match
; /* number without matching suffix */
8467 retval
= gen_expand_wildcards(num_pat
, pat
, num_file
, file
, flags
);
8469 /* When keeping all matches, return here */
8470 if (flags
& EW_KEEPALL
)
8475 * Remove names that match 'wildignore'.
8481 /* check all files in (*file)[] */
8482 for (i
= 0; i
< *num_file
; ++i
)
8484 ffname
= FullName_save((*file
)[i
], FALSE
);
8485 if (ffname
== NULL
) /* out of memory */
8488 vms_remove_version(ffname
);
8490 if (match_file_list(p_wig
, (*file
)[i
], ffname
))
8492 /* remove this matching file from the list */
8493 vim_free((*file
)[i
]);
8494 for (j
= i
; j
+ 1 < *num_file
; ++j
)
8495 (*file
)[j
] = (*file
)[j
+ 1];
8505 * Move the names where 'suffixes' match to the end.
8510 for (i
= 0; i
< *num_file
; ++i
)
8512 if (!match_suffix((*file
)[i
]))
8515 * Move the name without matching suffix to the front
8519 for (j
= i
; j
> non_suf_match
; --j
)
8520 (*file
)[j
] = (*file
)[j
- 1];
8521 (*file
)[non_suf_match
++] = p
;
8530 * Return TRUE if "fname" matches with an entry in 'suffixes'.
8536 int fnamelen
, setsuflen
;
8538 #define MAXSUFLEN 30 /* maximum length of a file suffix */
8539 char_u suf_buf
[MAXSUFLEN
];
8541 fnamelen
= (int)STRLEN(fname
);
8543 for (setsuf
= p_su
; *setsuf
; )
8545 setsuflen
= copy_option_part(&setsuf
, suf_buf
, MAXSUFLEN
, ".,");
8548 char_u
*tail
= gettail(fname
);
8550 /* empty entry: match name without a '.' */
8551 if (vim_strchr(tail
, '.') == NULL
)
8559 if (fnamelen
>= setsuflen
8560 && fnamencmp(suf_buf
, fname
+ fnamelen
- setsuflen
,
8561 (size_t)setsuflen
) == 0)
8566 return (setsuflen
!= 0);
8569 #if !defined(NO_EXPANDPATH) || defined(PROTO)
8571 # ifdef VIM_BACKTICK
8572 static int vim_backtick
__ARGS((char_u
*p
));
8573 static int expand_backtick
__ARGS((garray_T
*gap
, char_u
*pat
, int flags
));
8576 # if defined(MSDOS) || defined(FEAT_GUI_W16) || defined(WIN3264)
8578 * File name expansion code for MS-DOS, Win16 and Win32. It's here because
8579 * it's shared between these systems.
8581 # if defined(DJGPP) || defined(PROTO)
8582 # define _cdecl /* DJGPP doesn't have this */
8584 # ifdef __BORLANDC__
8585 # define _cdecl _RTLENTRYF
8590 * comparison function for qsort in dos_expandpath()
8593 pstrcmp(const void *a
, const void *b
)
8595 return (pathcmp(*(char **)a
, *(char **)b
, -1));
8605 if (USE_LONG_FNAME
) /* don't lower case on Windows 95/NT systems */
8611 *d
++ = TOLOWER_LOC(*s
++);
8617 * Recursively expand one path component into all matching files and/or
8618 * directories. Adds matches to "gap". Handles "*", "?", "[a-z]", "**", etc.
8619 * Return the number of matches found.
8620 * "path" has backslashes before chars that are not to be expanded, starting
8621 * at "path[wildoff]".
8622 * Return the number of matches found.
8623 * NOTE: much of this is identical to unix_expandpath(), keep in sync!
8630 int flags
, /* EW_* flags */
8631 int didstar
) /* expanded "**" once already */
8636 int start_len
= gap
->ga_len
;
8638 regmatch_T regmatch
;
8639 int starts_with_dot
;
8642 int starstar
= FALSE
;
8643 static int stardepth
= 0; /* depth for "**" expansion */
8646 HANDLE hFind
= (HANDLE
)0;
8648 WIN32_FIND_DATAW wfb
;
8649 WCHAR
*wn
= NULL
; /* UCS-2 name, NULL when not used. */
8657 /* Expanding "**" may take a long time, check for CTRL-C. */
8665 /* make room for file name */
8666 buf
= alloc((int)STRLEN(path
) + BASENAMELEN
+ 5);
8671 * Find the first part in the path name that contains a wildcard or a ~1.
8672 * Copy it into buf, including the preceding characters.
8678 while (*path_end
!= NUL
)
8680 /* May ignore a wildcard that has a backslash before it; it will
8681 * be removed by rem_backslash() or file_pat_to_reg_pat() below. */
8682 if (path_end
>= path
+ wildoff
&& rem_backslash(path_end
))
8684 else if (*path_end
== '\\' || *path_end
== ':' || *path_end
== '/')
8690 else if (path_end
>= path
+ wildoff
8691 && vim_strchr((char_u
*)"*?[~", *path_end
) != NULL
)
8696 len
= (*mb_ptr2len
)(path_end
);
8697 STRNCPY(p
, path_end
, len
);
8708 /* now we have one wildcard component between s and e */
8709 /* Remove backslashes between "wildoff" and the start of the wildcard
8711 for (p
= buf
+ wildoff
; p
< s
; ++p
)
8712 if (rem_backslash(p
))
8719 /* Check for "**" between "s" and "e". */
8720 for (p
= s
; p
< e
; ++p
)
8721 if (p
[0] == '*' && p
[1] == '*')
8724 starts_with_dot
= (*s
== '.');
8725 pat
= file_pat_to_reg_pat(s
, e
, NULL
, FALSE
);
8732 /* compile the regexp into a program */
8733 regmatch
.rm_ic
= TRUE
; /* Always ignore case */
8734 regmatch
.regprog
= vim_regcomp(pat
, RE_MAGIC
);
8737 if (regmatch
.regprog
== NULL
)
8743 /* remember the pattern or file name being looked for */
8744 matchname
= vim_strsave(s
);
8746 /* If "**" is by itself, this is the first time we encounter it and more
8747 * is following then find matches without any directory. */
8748 if (!didstar
&& stardepth
< 100 && starstar
&& e
- s
== 2
8749 && *path_end
== '/')
8751 STRCPY(s
, path_end
+ 1);
8753 (void)dos_expandpath(gap
, buf
, (int)(s
- buf
), flags
, TRUE
);
8757 /* Scan all files in the directory with "dir/ *.*" */
8761 if (enc_codepage
>= 0 && (int)GetACP() != enc_codepage
)
8763 /* The active codepage differs from 'encoding'. Attempt using the
8764 * wide function. If it fails because it is not implemented fall back
8765 * to the non-wide version (for Windows 98) */
8766 wn
= enc_to_utf16(buf
, NULL
);
8769 hFind
= FindFirstFileW(wn
, &wfb
);
8770 if (hFind
== INVALID_HANDLE_VALUE
8771 && GetLastError() == ERROR_CALL_NOT_IMPLEMENTED
)
8781 hFind
= FindFirstFile(buf
, &fb
);
8782 ok
= (hFind
!= INVALID_HANDLE_VALUE
);
8784 /* If we are expanding wildcards we try both files and directories */
8785 ok
= (findfirst((char *)buf
, &fb
,
8786 (*path_end
!= NUL
|| (flags
& EW_DIR
)) ? FA_DIREC
: 0) == 0);
8794 p
= utf16_to_enc(wfb
.cFileName
, NULL
); /* p is allocated here */
8797 p
= (char_u
*)fb
.cFileName
;
8799 p
= (char_u
*)fb
.ff_name
;
8801 /* Ignore entries starting with a dot, unless when asked for. Accept
8802 * all entries found with "matchname". */
8803 if ((p
[0] != '.' || starts_with_dot
)
8804 && (matchname
== NULL
8805 || vim_regexec(®match
, p
, (colnr_T
)0)))
8812 len
= (int)STRLEN(buf
);
8814 if (starstar
&& stardepth
< 100)
8816 /* For "**" in the pattern first go deeper in the tree to
8818 STRCPY(buf
+ len
, "/**");
8819 STRCPY(buf
+ len
+ 3, path_end
);
8821 (void)dos_expandpath(gap
, buf
, len
+ 1, flags
, TRUE
);
8825 STRCPY(buf
+ len
, path_end
);
8826 if (mch_has_exp_wildcard(path_end
))
8828 /* need to expand another component of the path */
8829 /* remove backslashes for the remaining components only */
8830 (void)dos_expandpath(gap
, buf
, len
+ 1, flags
, FALSE
);
8834 /* no more wildcards, check if there is a match */
8835 /* remove backslashes for the remaining components only */
8837 backslash_halve(buf
+ len
+ 1);
8838 if (mch_getperm(buf
) >= 0) /* add existing file */
8839 addfile(gap
, buf
, flags
);
8848 ok
= FindNextFileW(hFind
, &wfb
);
8852 ok
= FindNextFile(hFind
, &fb
);
8854 ok
= (findnext(&fb
) == 0);
8857 /* If no more matches and no match was used, try expanding the name
8858 * itself. Finds the long name of a short filename. */
8859 if (!ok
&& matchname
!= NULL
&& gap
->ga_len
== start_len
)
8861 STRCPY(s
, matchname
);
8868 wn
= enc_to_utf16(buf
, NULL
);
8870 hFind
= FindFirstFileW(wn
, &wfb
);
8874 hFind
= FindFirstFile(buf
, &fb
);
8875 ok
= (hFind
!= INVALID_HANDLE_VALUE
);
8877 ok
= (findfirst((char *)buf
, &fb
,
8878 (*path_end
!= NUL
|| (flags
& EW_DIR
)) ? FA_DIREC
: 0) == 0);
8880 vim_free(matchname
);
8892 vim_free(regmatch
.regprog
);
8893 vim_free(matchname
);
8895 matches
= gap
->ga_len
- start_len
;
8897 qsort(((char_u
**)gap
->ga_data
) + start_len
, (size_t)matches
,
8898 sizeof(char_u
*), pstrcmp
);
8906 int flags
) /* EW_* flags */
8908 return dos_expandpath(gap
, path
, 0, flags
, FALSE
);
8910 # endif /* MSDOS || FEAT_GUI_W16 || WIN3264 */
8912 #if (defined(UNIX) && !defined(VMS)) || defined(USE_UNIXFILENAME) \
8915 * Unix style wildcard expansion code.
8916 * It's here because it's used both for Unix and Mac.
8918 static int pstrcmp
__ARGS((const void *, const void *));
8924 return (pathcmp(*(char **)a
, *(char **)b
, -1));
8928 * Recursively expand one path component into all matching files and/or
8929 * directories. Adds matches to "gap". Handles "*", "?", "[a-z]", "**", etc.
8930 * "path" has backslashes before chars that are not to be expanded, starting
8931 * at "path + wildoff".
8932 * Return the number of matches found.
8933 * NOTE: much of this is identical to dos_expandpath(), keep in sync!
8936 unix_expandpath(gap
, path
, wildoff
, flags
, didstar
)
8940 int flags
; /* EW_* flags */
8941 int didstar
; /* expanded "**" once already */
8946 int start_len
= gap
->ga_len
;
8948 regmatch_T regmatch
;
8949 int starts_with_dot
;
8952 int starstar
= FALSE
;
8953 static int stardepth
= 0; /* depth for "**" expansion */
8958 /* Expanding "**" may take a long time, check for CTRL-C. */
8966 /* make room for file name */
8967 buf
= alloc((int)STRLEN(path
) + BASENAMELEN
+ 5);
8972 * Find the first part in the path name that contains a wildcard.
8973 * Copy it into "buf", including the preceding characters.
8979 while (*path_end
!= NUL
)
8981 /* May ignore a wildcard that has a backslash before it; it will
8982 * be removed by rem_backslash() or file_pat_to_reg_pat() below. */
8983 if (path_end
>= path
+ wildoff
&& rem_backslash(path_end
))
8985 else if (*path_end
== '/')
8991 else if (path_end
>= path
+ wildoff
8992 && vim_strchr((char_u
*)"*?[{~$", *path_end
) != NULL
)
8997 len
= (*mb_ptr2len
)(path_end
);
8998 STRNCPY(p
, path_end
, len
);
9009 /* now we have one wildcard component between "s" and "e" */
9010 /* Remove backslashes between "wildoff" and the start of the wildcard
9012 for (p
= buf
+ wildoff
; p
< s
; ++p
)
9013 if (rem_backslash(p
))
9020 /* Check for "**" between "s" and "e". */
9021 for (p
= s
; p
< e
; ++p
)
9022 if (p
[0] == '*' && p
[1] == '*')
9025 /* convert the file pattern to a regexp pattern */
9026 starts_with_dot
= (*s
== '.');
9027 pat
= file_pat_to_reg_pat(s
, e
, NULL
, FALSE
);
9034 /* compile the regexp into a program */
9035 #ifdef CASE_INSENSITIVE_FILENAME
9036 regmatch
.rm_ic
= TRUE
; /* Behave like Terminal.app */
9038 regmatch
.rm_ic
= FALSE
; /* Don't ever ignore case */
9040 regmatch
.regprog
= vim_regcomp(pat
, RE_MAGIC
);
9043 if (regmatch
.regprog
== NULL
)
9049 /* If "**" is by itself, this is the first time we encounter it and more
9050 * is following then find matches without any directory. */
9051 if (!didstar
&& stardepth
< 100 && starstar
&& e
- s
== 2
9052 && *path_end
== '/')
9054 STRCPY(s
, path_end
+ 1);
9056 (void)unix_expandpath(gap
, buf
, (int)(s
- buf
), flags
, TRUE
);
9060 /* open the directory for scanning */
9062 dirp
= opendir(*buf
== NUL
? "." : (char *)buf
);
9064 /* Find all matching entries */
9072 if ((dp
->d_name
[0] != '.' || starts_with_dot
)
9073 && vim_regexec(®match
, (char_u
*)dp
->d_name
, (colnr_T
)0))
9075 STRCPY(s
, dp
->d_name
);
9078 if (starstar
&& stardepth
< 100)
9080 /* For "**" in the pattern first go deeper in the tree to
9082 STRCPY(buf
+ len
, "/**");
9083 STRCPY(buf
+ len
+ 3, path_end
);
9085 (void)unix_expandpath(gap
, buf
, len
+ 1, flags
, TRUE
);
9089 STRCPY(buf
+ len
, path_end
);
9090 if (mch_has_exp_wildcard(path_end
)) /* handle more wildcards */
9092 /* need to expand another component of the path */
9093 /* remove backslashes for the remaining components only */
9094 (void)unix_expandpath(gap
, buf
, len
+ 1, flags
, FALSE
);
9098 /* no more wildcards, check if there is a match */
9099 /* remove backslashes for the remaining components only */
9100 if (*path_end
!= NUL
)
9101 backslash_halve(buf
+ len
+ 1);
9102 if (mch_getperm(buf
) >= 0) /* add existing file */
9104 #ifdef MACOS_CONVERT
9105 size_t precomp_len
= STRLEN(buf
)+1;
9106 char_u
*precomp_buf
=
9107 mac_precompose_path(buf
, precomp_len
, &precomp_len
);
9111 mch_memmove(buf
, precomp_buf
, precomp_len
);
9112 vim_free(precomp_buf
);
9115 addfile(gap
, buf
, flags
);
9125 vim_free(regmatch
.regprog
);
9127 matches
= gap
->ga_len
- start_len
;
9129 qsort(((char_u
**)gap
->ga_data
) + start_len
, matches
,
9130 sizeof(char_u
*), pstrcmp
);
9136 * Generic wildcard expansion code.
9138 * Characters in "pat" that should not be expanded must be preceded with a
9139 * backslash. E.g., "/path\ with\ spaces/my\*star*"
9141 * Return FAIL when no single file was found. In this case "num_file" is not
9142 * set, and "file" may contain an error message.
9143 * Return OK when some files found. "num_file" is set to the number of
9144 * matches, "file" to the array of matches. Call FreeWild() later.
9147 gen_expand_wildcards(num_pat
, pat
, num_file
, file
, flags
)
9148 int num_pat
; /* number of input patterns */
9149 char_u
**pat
; /* array of input patterns */
9150 int *num_file
; /* resulting number of files */
9151 char_u
***file
; /* array of resulting files */
9152 int flags
; /* EW_* flags */
9157 static int recursive
= FALSE
;
9161 * expand_env() is called to expand things like "~user". If this fails,
9162 * it calls ExpandOne(), which brings us back here. In this case, always
9163 * call the machine specific expansion function, if possible. Otherwise,
9167 #ifdef SPECIAL_WILDCHAR
9168 return mch_expand_wildcards(num_pat
, pat
, num_file
, file
, flags
);
9173 #ifdef SPECIAL_WILDCHAR
9175 * If there are any special wildcard characters which we cannot handle
9176 * here, call machine specific function for all the expansion. This
9177 * avoids starting the shell for each argument separately.
9178 * For `=expr` do use the internal function.
9180 for (i
= 0; i
< num_pat
; i
++)
9182 if (vim_strpbrk(pat
[i
], (char_u
*)SPECIAL_WILDCHAR
) != NULL
9183 # ifdef VIM_BACKTICK
9184 && !(vim_backtick(pat
[i
]) && pat
[i
][1] == '=')
9187 return mch_expand_wildcards(num_pat
, pat
, num_file
, file
, flags
);
9194 * The matching file names are stored in a growarray. Init it empty.
9196 ga_init2(&ga
, (int)sizeof(char_u
*), 30);
9198 for (i
= 0; i
< num_pat
; ++i
)
9204 if (vim_backtick(p
))
9205 add_pat
= expand_backtick(&ga
, p
, flags
);
9210 * First expand environment variables, "~/" and "~user/".
9212 if (vim_strpbrk(p
, (char_u
*)"$~") != NULL
)
9214 p
= expand_env_save_opt(p
, TRUE
);
9219 * On Unix, if expand_env() can't expand an environment
9220 * variable, use the shell to do that. Discard previously
9221 * found file names and start all over again.
9223 else if (vim_strpbrk(p
, (char_u
*)"$~") != NULL
)
9226 ga_clear_strings(&ga
);
9227 i
= mch_expand_wildcards(num_pat
, pat
, num_file
, file
,
9236 * If there are wildcards: Expand file names and add each match to
9237 * the list. If there is no match, and EW_NOTFOUND is given, add
9239 * If there are no wildcards: Add the file name if it exists or
9240 * when EW_NOTFOUND is given.
9242 if (mch_has_exp_wildcard(p
))
9243 add_pat
= mch_expandpath(&ga
, p
, flags
);
9246 if (add_pat
== -1 || (add_pat
== 0 && (flags
& EW_NOTFOUND
)))
9248 char_u
*t
= backslash_halve_save(p
);
9250 #if defined(MACOS_CLASSIC)
9253 /* When EW_NOTFOUND is used, always add files and dirs. Makes
9254 * "vim c:/" work. */
9255 if (flags
& EW_NOTFOUND
)
9256 addfile(&ga
, t
, flags
| EW_DIR
| EW_FILE
);
9257 else if (mch_getperm(t
) >= 0)
9258 addfile(&ga
, t
, flags
);
9266 *num_file
= ga
.ga_len
;
9267 *file
= (ga
.ga_data
!= NULL
) ? (char_u
**)ga
.ga_data
: (char_u
**)"";
9271 return (ga
.ga_data
!= NULL
) ? OK
: FAIL
;
9274 # ifdef VIM_BACKTICK
9277 * Return TRUE if we can expand this backtick thing here.
9283 return (*p
== '`' && *(p
+ 1) != NUL
&& *(p
+ STRLEN(p
) - 1) == '`');
9287 * Expand an item in `backticks` by executing it as a command.
9288 * Currently only works when pat[] starts and ends with a `.
9289 * Returns number of file names found.
9292 expand_backtick(gap
, pat
, flags
)
9295 int flags
; /* EW_* flags */
9303 /* Create the command: lop off the backticks. */
9304 cmd
= vim_strnsave(pat
+ 1, (int)STRLEN(pat
) - 2);
9309 if (*cmd
== '=') /* `={expr}`: Expand expression */
9310 buffer
= eval_to_string(cmd
+ 1, &p
, TRUE
);
9313 buffer
= get_cmd_output(cmd
, NULL
,
9314 (flags
& EW_SILENT
) ? SHELL_SILENT
: 0);
9322 cmd
= skipwhite(cmd
); /* skip over white space */
9324 while (*p
!= NUL
&& *p
!= '\r' && *p
!= '\n') /* skip over entry */
9326 /* add an entry if it is not empty */
9331 addfile(gap
, cmd
, flags
);
9336 while (*cmd
!= NUL
&& (*cmd
== '\r' || *cmd
== '\n'))
9343 # endif /* VIM_BACKTICK */
9346 * Add a file to a file list. Accepted flags:
9347 * EW_DIR add directories
9349 * EW_EXEC add executable files
9350 * EW_NOTFOUND add even when it doesn't exist
9351 * EW_ADDSLASH add slash after directory name
9354 addfile(gap
, f
, flags
)
9356 char_u
*f
; /* filename */
9362 /* if the file/dir doesn't exist, may not add it */
9363 if (!(flags
& EW_NOTFOUND
) && mch_getperm(f
) < 0)
9366 #ifdef FNAME_ILLEGAL
9367 /* if the file/dir contains illegal characters, don't add it */
9368 if (vim_strpbrk(f
, (char_u
*)FNAME_ILLEGAL
) != NULL
)
9372 isdir
= mch_isdir(f
);
9373 if ((isdir
&& !(flags
& EW_DIR
)) || (!isdir
&& !(flags
& EW_FILE
)))
9376 /* If the file isn't executable, may not add it. Do accept directories. */
9377 if (!isdir
&& (flags
& EW_EXEC
) && !mch_can_exe(f
))
9380 /* Make room for another item in the file list. */
9381 if (ga_grow(gap
, 1) == FAIL
)
9384 p
= alloc((unsigned)(STRLEN(f
) + 1 + isdir
));
9389 #ifdef BACKSLASH_IN_FILENAME
9393 * Append a slash or backslash after directory names if none is present.
9395 #ifndef DONT_ADD_PATHSEP_TO_DIR
9396 if (isdir
&& (flags
& EW_ADDSLASH
))
9399 ((char_u
**)gap
->ga_data
)[gap
->ga_len
++] = p
;
9401 #endif /* !NO_EXPANDPATH */
9403 #if defined(VIM_BACKTICK) || defined(FEAT_EVAL) || defined(PROTO)
9413 * Get the stdout of an external command.
9414 * Returns an allocated string, or NULL for error.
9417 get_cmd_output(cmd
, infile
, flags
)
9419 char_u
*infile
; /* optional input file name */
9420 int flags
; /* can be SHELL_SILENT */
9424 char_u
*buffer
= NULL
;
9429 if (check_restricted() || check_secure())
9432 /* get a name for the temp file */
9433 if ((tempname
= vim_tempname('o')) == NULL
)
9439 /* Add the redirection stuff */
9440 command
= make_filter_cmd(cmd
, infile
, tempname
);
9441 if (command
== NULL
)
9445 * Call the shell to execute the command (errors are ignored).
9446 * Don't check timestamps here.
9448 ++no_check_timestamps
;
9449 call_shell(command
, SHELL_DOOUT
| SHELL_EXPAND
| flags
);
9450 --no_check_timestamps
;
9455 * read the names from the file into memory
9458 /* created temporary file is not always readable as binary */
9459 fd
= mch_fopen((char *)tempname
, "r");
9461 fd
= mch_fopen((char *)tempname
, READBIN
);
9466 EMSG2(_(e_notopen
), tempname
);
9470 fseek(fd
, 0L, SEEK_END
);
9471 len
= ftell(fd
); /* get size of temp file */
9472 fseek(fd
, 0L, SEEK_SET
);
9474 buffer
= alloc(len
+ 1);
9476 i
= (int)fread((char *)buffer
, (size_t)1, (size_t)len
, fd
);
9478 mch_remove(tempname
);
9482 len
= i
; /* VMS doesn't give us what we asked for... */
9486 EMSG2(_(e_notread
), tempname
);
9491 buffer
[len
] = '\0'; /* make sure the buffer is terminated */
9500 * Free the list of files returned by expand_wildcards() or other expansion
9504 FreeWild(count
, files
)
9508 if (count
<= 0 || files
== NULL
)
9510 #if defined(__EMX__) && defined(__ALWAYS_HAS_TRAILING_NULL_POINTER) /* XXX */
9512 * Is this still OK for when other functions than expand_wildcards() have
9515 _fnexplodefree((char **)files
);
9518 vim_free(files
[count
]);
9524 * return TRUE when need to go to Insert mode because of 'insertmode'.
9525 * Don't do this when still processing a command or a mapping.
9526 * Don't do this when inside a ":normal" command.
9531 return (p_im
&& stuff_empty() && typebuf_typed());