1 /* vi:set ts=8 sts=4 sw=4:
3 * VIM - Vi IMproved by Bram Moolenaar
5 * Do ":help uganda" in Vim to read copying and usage conditions.
6 * Do ":help credits" in Vim to see a list of people who contributed.
7 * See README.txt for an overview of the Vim source code.
11 * misc1.c: functions that didn't seem to fit elsewhere
18 # include <fcntl.h> /* for chdir() */
21 static char_u
*vim_version_dir
__ARGS((char_u
*vimdir
));
22 static char_u
*remove_tail
__ARGS((char_u
*p
, char_u
*pend
, char_u
*name
));
23 static int copy_indent
__ARGS((int size
, char_u
*src
));
26 * Count the size (in window cells) of the indent in the current line.
31 return get_indent_str(ml_get_curline(), (int)curbuf
->b_p_ts
);
35 * Count the size (in window cells) of the indent in line "lnum".
41 return get_indent_str(ml_get(lnum
), (int)curbuf
->b_p_ts
);
44 #if defined(FEAT_FOLDING) || defined(PROTO)
46 * Count the size (in window cells) of the indent in line "lnum" of buffer
50 get_indent_buf(buf
, lnum
)
54 return get_indent_str(ml_get_buf(buf
, lnum
, FALSE
), (int)buf
->b_p_ts
);
59 * count the size (in window cells) of the indent in line "ptr", with
63 get_indent_str(ptr
, ts
)
71 if (*ptr
== TAB
) /* count a tab for what it is worth */
72 count
+= ts
- (count
% ts
);
74 ++count
; /* count a space for one */
82 * Set the indent of the current line.
83 * Leaves the cursor on the first non-blank in the line.
84 * Caller must take care of undo.
86 * SIN_CHANGED: call changed_bytes() if the line was changed.
87 * SIN_INSERT: insert the indent in front of the line.
88 * SIN_UNDO: save line for undo before changing it.
89 * Returns TRUE if the line was changed.
92 set_indent(size
, flags
)
93 int size
; /* measured in spaces */
101 int ind_len
; /* measured in characters */
104 int ind_done
= 0; /* measured in spaces */
107 int orig_char_len
= -1; /* number of initial whitespace chars when
108 'et' and 'pi' are both set */
111 * First check if there is anything to do and compute the number of
112 * characters needed for the indent.
116 p
= oldline
= ml_get_curline();
118 /* Calculate the buffer size for the new indent, and check to see if it
119 * isn't already set */
121 /* if 'expandtab' isn't set: use TABs; if both 'expandtab' and
122 * 'preserveindent' are set count the number of characters at the
123 * beginning of the line to be copied */
124 if (!curbuf
->b_p_et
|| (!(flags
& SIN_INSERT
) && curbuf
->b_p_pi
))
126 /* If 'preserveindent' is set then reuse as much as possible of
127 * the existing indent structure for the new indent */
128 if (!(flags
& SIN_INSERT
) && curbuf
->b_p_pi
)
132 /* count as many characters as we can use */
133 while (todo
> 0 && vim_iswhite(*p
))
137 tab_pad
= (int)curbuf
->b_p_ts
138 - (ind_done
% (int)curbuf
->b_p_ts
);
139 /* stop if this tab will overshoot the target */
155 /* Set initial number of whitespace chars to copy if we are
156 * preserving indent but expandtab is set */
158 orig_char_len
= ind_len
;
160 /* Fill to next tabstop with a tab, if possible */
161 tab_pad
= (int)curbuf
->b_p_ts
- (ind_done
% (int)curbuf
->b_p_ts
);
162 if (todo
>= tab_pad
&& orig_char_len
== -1)
167 /* ind_done += tab_pad; */
171 /* count tabs required for indent */
172 while (todo
>= (int)curbuf
->b_p_ts
)
178 todo
-= (int)curbuf
->b_p_ts
;
180 /* ind_done += (int)curbuf->b_p_ts; */
183 /* count spaces required for indent */
195 /* Return if the indent is OK already. */
196 if (!doit
&& !vim_iswhite(*p
) && !(flags
& SIN_INSERT
))
199 /* Allocate memory for the new line. */
200 if (flags
& SIN_INSERT
)
204 line_len
= (int)STRLEN(p
) + 1;
206 /* If 'preserveindent' and 'expandtab' are both set keep the original
207 * characters and allocate accordingly. We will fill the rest with spaces
208 * after the if (!curbuf->b_p_et) below. */
209 if (orig_char_len
!= -1)
211 newline
= alloc(orig_char_len
+ size
- ind_done
+ line_len
);
214 todo
= size
- ind_done
;
215 ind_len
= orig_char_len
+ todo
; /* Set total length of indent in
216 * characters, which may have been
217 * undercounted until now */
220 while (orig_char_len
> 0)
226 /* Skip over any additional white space (useful when newindent is less
228 while (vim_iswhite(*p
))
235 newline
= alloc(ind_len
+ line_len
);
241 /* Put the characters in the new line. */
242 /* if 'expandtab' isn't set: use TABs */
245 /* If 'preserveindent' is set then reuse as much as possible of
246 * the existing indent structure for the new indent */
247 if (!(flags
& SIN_INSERT
) && curbuf
->b_p_pi
)
252 while (todo
> 0 && vim_iswhite(*p
))
256 tab_pad
= (int)curbuf
->b_p_ts
257 - (ind_done
% (int)curbuf
->b_p_ts
);
258 /* stop if this tab will overshoot the target */
272 /* Fill to next tabstop with a tab, if possible */
273 tab_pad
= (int)curbuf
->b_p_ts
- (ind_done
% (int)curbuf
->b_p_ts
);
283 while (todo
>= (int)curbuf
->b_p_ts
)
286 todo
-= (int)curbuf
->b_p_ts
;
294 mch_memmove(s
, p
, (size_t)line_len
);
296 /* Replace the line (unless undo fails). */
297 if (!(flags
& SIN_UNDO
) || u_savesub(curwin
->w_cursor
.lnum
) == OK
)
299 ml_replace(curwin
->w_cursor
.lnum
, newline
, FALSE
);
300 if (flags
& SIN_CHANGED
)
301 changed_bytes(curwin
->w_cursor
.lnum
, 0);
302 /* Correct saved cursor position if it's after the indent. */
303 if (saved_cursor
.lnum
== curwin
->w_cursor
.lnum
304 && saved_cursor
.col
>= (colnr_T
)(p
- oldline
))
305 saved_cursor
.col
+= ind_len
- (colnr_T
)(p
- oldline
);
311 curwin
->w_cursor
.col
= ind_len
;
316 * Copy the indent from ptr to the current line (and fill to size)
317 * Leaves the cursor on the first non-blank in the line.
318 * Returns TRUE if the line was changed.
321 copy_indent(size
, src
)
335 /* Round 1: compute the number of characters needed for the indent
336 * Round 2: copy the characters. */
337 for (round
= 1; round
<= 2; ++round
)
344 /* Count/copy the usable portion of the source line */
345 while (todo
> 0 && vim_iswhite(*s
))
349 tab_pad
= (int)curbuf
->b_p_ts
350 - (ind_done
% (int)curbuf
->b_p_ts
);
351 /* Stop if this tab will overshoot the target */
368 /* Fill to next tabstop with a tab, if possible */
369 tab_pad
= (int)curbuf
->b_p_ts
- (ind_done
% (int)curbuf
->b_p_ts
);
378 /* Add tabs required for indent */
379 while (todo
>= (int)curbuf
->b_p_ts
)
381 todo
-= (int)curbuf
->b_p_ts
;
387 /* Count/add spaces required for indent */
398 /* Allocate memory for the result: the copied indent, new indent
399 * and the rest of the line. */
400 line_len
= (int)STRLEN(ml_get_curline()) + 1;
401 line
= alloc(ind_len
+ line_len
);
408 /* Append the original line */
409 mch_memmove(p
, ml_get_curline(), (size_t)line_len
);
411 /* Replace the line */
412 ml_replace(curwin
->w_cursor
.lnum
, line
, FALSE
);
414 /* Put the cursor after the indent. */
415 curwin
->w_cursor
.col
= ind_len
;
420 * Return the indent of the current line after a number. Return -1 if no
421 * number was found. Used for 'n' in 'formatoptions': numbered list.
422 * Since a pattern is used it can actually handle more than numbers.
425 get_number_indent(lnum
)
430 regmmatch_T regmatch
;
432 if (lnum
> curbuf
->b_ml
.ml_line_count
)
435 regmatch
.regprog
= vim_regcomp(curbuf
->b_p_flp
, RE_MAGIC
);
436 if (regmatch
.regprog
!= NULL
)
438 regmatch
.rmm_ic
= FALSE
;
439 regmatch
.rmm_maxcol
= 0;
440 if (vim_regexec_multi(®match
, curwin
, curbuf
, lnum
,
443 pos
.lnum
= regmatch
.endpos
[0].lnum
+ lnum
;
444 pos
.col
= regmatch
.endpos
[0].col
;
445 #ifdef FEAT_VIRTUALEDIT
449 vim_free(regmatch
.regprog
);
452 if (pos
.lnum
== 0 || *ml_get_pos(&pos
) == NUL
)
454 getvcol(curwin
, &pos
, &col
, NULL
, NULL
);
458 #if defined(FEAT_CINDENT) || defined(FEAT_SMARTINDENT)
460 static int cin_is_cinword
__ARGS((char_u
*line
));
463 * Return TRUE if the string "line" starts with a word from 'cinwords'.
475 cinw_len
= (int)STRLEN(curbuf
->b_p_cinw
) + 1;
476 cinw_buf
= alloc((unsigned)cinw_len
);
477 if (cinw_buf
!= NULL
)
479 line
= skipwhite(line
);
480 for (cinw
= curbuf
->b_p_cinw
; *cinw
; )
482 len
= copy_option_part(&cinw
, cinw_buf
, cinw_len
, ",");
483 if (STRNCMP(line
, cinw_buf
, len
) == 0
484 && (!vim_iswordc(line
[len
]) || !vim_iswordc(line
[len
- 1])))
497 * open_line: Add a new line below or above the current line.
499 * For VREPLACE mode, we only add a new line when we get to the end of the
500 * file, otherwise we just start replacing the next line.
502 * Caller must take care of undo. Since VREPLACE may affect any number of
503 * lines however, it may call u_save_cursor() again when starting to change a
505 * "flags": OPENLINE_DELSPACES delete spaces after cursor
506 * OPENLINE_DO_COM format comments
507 * OPENLINE_KEEPTRAIL keep trailing spaces
508 * OPENLINE_MARKFIX adjust mark positions after the line break
510 * Return TRUE for success, FALSE for failure
513 open_line(dir
, flags
, old_indent
)
514 int dir
; /* FORWARD or BACKWARD */
516 int old_indent
; /* indent for after ^^D in Insert mode */
518 char_u
*saved_line
; /* copy of the original line */
519 char_u
*next_line
= NULL
; /* copy of the next line */
520 char_u
*p_extra
= NULL
; /* what goes to next line */
521 int less_cols
= 0; /* less columns for mark in new line */
522 int less_cols_off
= 0; /* columns to skip for mark adjust */
523 pos_T old_cursor
; /* old cursor position */
524 int newcol
= 0; /* new cursor column */
525 int newindent
= 0; /* auto-indent of the new line */
527 int trunc_line
= FALSE
; /* truncate current line afterwards */
528 int retval
= FALSE
; /* return value, default is FAIL */
530 int extra_len
= 0; /* length of p_extra string */
531 int lead_len
; /* length of comment leader */
532 char_u
*lead_flags
; /* position in 'comments' for comment leader */
533 char_u
*leader
= NULL
; /* copy of comment leader */
535 char_u
*allocated
= NULL
; /* allocated memory */
536 #if defined(FEAT_SMARTINDENT) || defined(FEAT_VREPLACE) || defined(FEAT_LISP) \
537 || defined(FEAT_CINDENT) || defined(FEAT_COMMENTS)
540 int saved_char
= NUL
; /* init for GCC */
541 #if defined(FEAT_SMARTINDENT) || defined(FEAT_COMMENTS)
544 #ifdef FEAT_SMARTINDENT
545 int do_si
= (!p_paste
&& curbuf
->b_p_si
550 int no_si
= FALSE
; /* reset did_si afterwards */
551 int first_char
= NUL
; /* init for GCC */
553 #if defined(FEAT_VREPLACE) && (defined(FEAT_LISP) || defined(FEAT_CINDENT))
556 int did_append
; /* appended a new line */
557 int saved_pi
= curbuf
->b_p_pi
; /* copy of preserveindent setting */
560 * make a copy of the current line so we can mess with it
562 saved_line
= vim_strsave(ml_get_curline());
563 if (saved_line
== NULL
) /* out of memory! */
567 if (State
& VREPLACE_FLAG
)
570 * With VREPLACE we make a copy of the next line, which we will be
571 * starting to replace. First make the new line empty and let vim play
572 * with the indenting and comment leader to its heart's content. Then
573 * we grab what it ended up putting on the new line, put back the
574 * original line, and call ins_char() to put each new character onto
575 * the line, replacing what was there before and pushing the right
576 * stuff onto the replace stack. -- webb.
578 if (curwin
->w_cursor
.lnum
< orig_line_count
)
579 next_line
= vim_strsave(ml_get(curwin
->w_cursor
.lnum
+ 1));
581 next_line
= vim_strsave((char_u
*)"");
582 if (next_line
== NULL
) /* out of memory! */
586 * In VREPLACE mode, a NL replaces the rest of the line, and starts
587 * replacing the next line, so push all of the characters left on the
588 * line onto the replace stack. We'll push any other characters that
589 * might be replaced at the start of the next line (due to autoindent
592 replace_push(NUL
); /* Call twice because BS over NL expects it */
594 p
= saved_line
+ curwin
->w_cursor
.col
;
599 p
+= replace_push_mb(p
);
604 saved_line
[curwin
->w_cursor
.col
] = NUL
;
610 && !(State
& VREPLACE_FLAG
)
614 p_extra
= saved_line
+ curwin
->w_cursor
.col
;
615 #ifdef FEAT_SMARTINDENT
616 if (do_si
) /* need first char after new line break */
618 p
= skipwhite(p_extra
);
623 extra_len
= (int)STRLEN(p_extra
);
625 saved_char
= *p_extra
;
629 u_clearline(); /* cannot do "U" command when adding lines */
630 #ifdef FEAT_SMARTINDENT
636 * If we just did an auto-indent, then we didn't type anything on
637 * the prior line, and it should be truncated. Do this even if 'ai' is not
638 * set because automatically inserting a comment leader also sets did_ai.
640 if (dir
== FORWARD
&& did_ai
)
644 * If 'autoindent' and/or 'smartindent' is set, try to figure out what
645 * indent to use for the new line.
648 #ifdef FEAT_SMARTINDENT
654 * count white space on current line
656 newindent
= get_indent_str(saved_line
, (int)curbuf
->b_p_ts
);
658 newindent
= old_indent
; /* for ^^D command in insert mode */
660 #ifdef FEAT_SMARTINDENT
662 * Do smart indenting.
663 * In insert/replace mode (only when dir == FORWARD)
664 * we may move some text to the next line. If it starts with '{'
665 * don't add an indent. Fixes inserting a NL before '{' in line
668 if (!trunc_line
&& do_si
&& *saved_line
!= NUL
669 && (p_extra
== NULL
|| first_char
!= '{'))
674 old_cursor
= curwin
->w_cursor
;
676 # ifdef FEAT_COMMENTS
677 if (flags
& OPENLINE_DO_COM
)
678 lead_len
= get_leader_len(ptr
, NULL
, FALSE
);
685 * Skip preprocessor directives, unless they are
686 * recognised as comments.
689 # ifdef FEAT_COMMENTS
694 while (ptr
[0] == '#' && curwin
->w_cursor
.lnum
> 1)
695 ptr
= ml_get(--curwin
->w_cursor
.lnum
);
696 newindent
= get_indent();
698 # ifdef FEAT_COMMENTS
699 if (flags
& OPENLINE_DO_COM
)
700 lead_len
= get_leader_len(ptr
, NULL
, FALSE
);
706 * This case gets the following right:
708 * * A comment (read '\' as '/').
711 * This should line up here;
714 if (p
[0] == '/' && p
[1] == '*')
720 if (p
[0] == '/' && p
[-1] == '*')
723 * End of C comment, indent should line up
724 * with the line containing the start of
727 curwin
->w_cursor
.col
= (colnr_T
)(p
- ptr
);
728 if ((pos
= findmatch(NULL
, NUL
)) != NULL
)
730 curwin
->w_cursor
.lnum
= pos
->lnum
;
731 newindent
= get_indent();
737 else /* Not a comment line */
740 /* Find last non-blank in line */
741 p
= ptr
+ STRLEN(ptr
) - 1;
742 while (p
> ptr
&& vim_iswhite(*p
))
747 * find the character just before the '{' or ';'
749 if (last_char
== '{' || last_char
== ';')
753 while (p
> ptr
&& vim_iswhite(*p
))
757 * Try to catch lines that are split over multiple
761 * Should line up here!
766 curwin
->w_cursor
.col
= (colnr_T
)(p
- ptr
);
767 if ((pos
= findmatch(NULL
, '(')) != NULL
)
769 curwin
->w_cursor
.lnum
= pos
->lnum
;
770 newindent
= get_indent();
771 ptr
= ml_get_curline();
775 * If last character is '{' do indent, without
776 * checking for "if" and the like.
778 if (last_char
== '{')
780 did_si
= TRUE
; /* do indent */
781 no_si
= TRUE
; /* don't delete it when '{' typed */
784 * Look for "if" and the like, use 'cinwords'.
785 * Don't do this if the previous line ended in ';' or
788 else if (last_char
!= ';' && last_char
!= '}'
789 && cin_is_cinword(ptr
))
793 else /* dir == BACKWARD */
796 * Skip preprocessor directives, unless they are
797 * recognised as comments.
800 # ifdef FEAT_COMMENTS
805 int was_backslashed
= FALSE
;
807 while ((ptr
[0] == '#' || was_backslashed
) &&
808 curwin
->w_cursor
.lnum
< curbuf
->b_ml
.ml_line_count
)
810 if (*ptr
&& ptr
[STRLEN(ptr
) - 1] == '\\')
811 was_backslashed
= TRUE
;
813 was_backslashed
= FALSE
;
814 ptr
= ml_get(++curwin
->w_cursor
.lnum
);
817 newindent
= 0; /* Got to end of file */
819 newindent
= get_indent();
822 if (*p
== '}') /* if line starts with '}': do indent */
824 else /* can delete indent when '{' typed */
827 curwin
->w_cursor
= old_cursor
;
831 #endif /* FEAT_SMARTINDENT */
838 * Find out if the current line starts with a comment leader.
839 * This may then be inserted in front of the new line.
841 end_comment_pending
= NUL
;
842 if (flags
& OPENLINE_DO_COM
)
843 lead_len
= get_leader_len(saved_line
, &lead_flags
, dir
== BACKWARD
);
848 char_u
*lead_repl
= NULL
; /* replaces comment leader */
849 int lead_repl_len
= 0; /* length of *lead_repl */
850 char_u lead_middle
[COM_MAX_LEN
]; /* middle-comment string */
851 char_u lead_end
[COM_MAX_LEN
]; /* end-comment string */
852 char_u
*comment_end
= NULL
; /* where lead_end has been found */
853 int extra_space
= FALSE
; /* append extra space */
855 int require_blank
= FALSE
; /* requires blank after middle */
859 * If the comment leader has the start, middle or end flag, it may not
860 * be used or may be replaced with the middle leader.
862 for (p
= lead_flags
; *p
&& *p
!= ':'; ++p
)
866 require_blank
= TRUE
;
869 if (*p
== COM_START
|| *p
== COM_MIDDLE
)
875 * Doing "O" on a start of comment does not insert leader.
883 /* find start of middle part */
884 (void)copy_option_part(&p
, lead_middle
, COM_MAX_LEN
, ",");
885 require_blank
= FALSE
;
889 * Isolate the strings of the middle and end leader.
891 while (*p
&& p
[-1] != ':') /* find end of middle flags */
894 require_blank
= TRUE
;
897 (void)copy_option_part(&p
, lead_middle
, COM_MAX_LEN
, ",");
899 while (*p
&& p
[-1] != ':') /* find end of end flags */
901 /* Check whether we allow automatic ending of comments */
902 if (*p
== COM_AUTO_END
)
903 end_comment_pending
= -1; /* means we want to set it */
906 n
= copy_option_part(&p
, lead_end
, COM_MAX_LEN
, ",");
908 if (end_comment_pending
== -1) /* we can set it now */
909 end_comment_pending
= lead_end
[n
- 1];
912 * If the end of the comment is in the same line, don't use
913 * the comment leader.
917 for (p
= saved_line
+ lead_len
; *p
; ++p
)
918 if (STRNCMP(p
, lead_end
, n
) == 0)
927 * Doing "o" on a start of comment inserts the middle leader.
931 if (current_flag
== COM_START
)
933 lead_repl
= lead_middle
;
934 lead_repl_len
= (int)STRLEN(lead_middle
);
938 * If we have hit RETURN immediately after the start
939 * comment leader, then put a space after the middle
940 * comment leader on the next line.
942 if (!vim_iswhite(saved_line
[lead_len
- 1])
944 && (int)curwin
->w_cursor
.col
== lead_len
)
946 && saved_line
[lead_len
] == NUL
)
955 * Doing "o" on the end of a comment does not insert leader.
956 * Remember where the end is, might want to use it to find the
957 * start (for C-comments).
961 comment_end
= skipwhite(saved_line
);
967 * Doing "O" on the end of a comment inserts the middle leader.
968 * Find the string for the middle leader, searching backwards.
970 while (p
> curbuf
->b_p_com
&& *p
!= ',')
972 for (lead_repl
= p
; lead_repl
> curbuf
->b_p_com
973 && lead_repl
[-1] != ':'; --lead_repl
)
975 lead_repl_len
= (int)(p
- lead_repl
);
977 /* We can probably always add an extra space when doing "O" on
981 /* Check whether we allow automatic ending of comments */
982 for (p2
= p
; *p2
&& *p2
!= ':'; p2
++)
984 if (*p2
== COM_AUTO_END
)
985 end_comment_pending
= -1; /* means we want to set it */
987 if (end_comment_pending
== -1)
989 /* Find last character in end-comment string */
990 while (*p2
&& *p2
!= ',')
992 end_comment_pending
= p2
[-1];
999 * Comment leader for first line only: Don't repeat leader
1000 * when using "O", blank out leader when using "o".
1002 if (dir
== BACKWARD
)
1006 lead_repl
= (char_u
*)"";
1014 /* allocate buffer (may concatenate p_exta later) */
1015 leader
= alloc(lead_len
+ lead_repl_len
+ extra_space
+
1017 allocated
= leader
; /* remember to free it later */
1023 vim_strncpy(leader
, saved_line
, lead_len
);
1026 * Replace leader with lead_repl, right or left adjusted
1028 if (lead_repl
!= NULL
)
1033 for (p
= lead_flags
; *p
&& *p
!= ':'; ++p
)
1035 if (*p
== COM_RIGHT
|| *p
== COM_LEFT
)
1037 else if (VIM_ISDIGIT(*p
) || *p
== '-')
1038 off
= getdigits(&p
);
1040 if (c
== COM_RIGHT
) /* right adjusted leader */
1042 /* find last non-white in the leader to line up with */
1043 for (p
= leader
+ lead_len
- 1; p
> leader
1044 && vim_iswhite(*p
); --p
)
1049 /* Compute the length of the replaced characters in
1050 * screen characters, not bytes. */
1052 int repl_size
= vim_strnsize(lead_repl
,
1058 while (old_size
< repl_size
&& p
> leader
)
1060 mb_ptr_back(leader
, p
);
1061 old_size
+= ptr2cells(p
);
1063 l
= lead_repl_len
- (int)(endp
- p
);
1065 mch_memmove(endp
+ l
, endp
,
1066 (size_t)((leader
+ lead_len
) - endp
));
1070 if (p
< leader
+ lead_repl_len
)
1075 mch_memmove(p
, lead_repl
, (size_t)lead_repl_len
);
1076 if (p
+ lead_repl_len
> leader
+ lead_len
)
1077 p
[lead_repl_len
] = NUL
;
1079 /* blank-out any other chars from the old leader. */
1080 while (--p
>= leader
)
1083 int l
= mb_head_off(leader
, p
);
1088 if (ptr2cells(p
) > 1)
1093 mch_memmove(p
+ 1, p
+ l
+ 1,
1094 (size_t)((leader
+ lead_len
) - (p
+ l
+ 1)));
1100 if (!vim_iswhite(*p
))
1104 else /* left adjusted leader */
1106 p
= skipwhite(leader
);
1108 /* Compute the length of the replaced characters in
1109 * screen characters, not bytes. Move the part that is
1110 * not to be overwritten. */
1112 int repl_size
= vim_strnsize(lead_repl
,
1117 for (i
= 0; p
[i
] != NUL
&& i
< lead_len
; i
+= l
)
1119 l
= (*mb_ptr2len
)(p
+ i
);
1120 if (vim_strnsize(p
, i
+ l
) > repl_size
)
1123 if (i
!= lead_repl_len
)
1125 mch_memmove(p
+ lead_repl_len
, p
+ i
,
1126 (size_t)(lead_len
- i
- (leader
- p
)));
1127 lead_len
+= lead_repl_len
- i
;
1131 mch_memmove(p
, lead_repl
, (size_t)lead_repl_len
);
1133 /* Replace any remaining non-white chars in the old
1134 * leader by spaces. Keep Tabs, the indent must
1135 * remain the same. */
1136 for (p
+= lead_repl_len
; p
< leader
+ lead_len
; ++p
)
1137 if (!vim_iswhite(*p
))
1139 /* Don't put a space before a TAB. */
1140 if (p
+ 1 < leader
+ lead_len
&& p
[1] == TAB
)
1143 mch_memmove(p
, p
+ 1,
1144 (leader
+ lead_len
) - p
);
1149 int l
= (*mb_ptr2len
)(p
);
1153 if (ptr2cells(p
) > 1)
1155 /* Replace a double-wide char with
1160 mch_memmove(p
+ 1, p
+ l
,
1161 (leader
+ lead_len
) - p
);
1171 /* Recompute the indent, it may have changed. */
1173 #ifdef FEAT_SMARTINDENT
1177 newindent
= get_indent_str(leader
, (int)curbuf
->b_p_ts
);
1179 /* Add the indent offset */
1180 if (newindent
+ off
< 0)
1188 /* Correct trailing spaces for the shift, so that
1189 * alignment remains equal. */
1190 while (off
> 0 && lead_len
> 0
1191 && leader
[lead_len
- 1] == ' ')
1193 /* Don't do it when there is a tab before the space */
1194 if (vim_strchr(skipwhite(leader
), '\t') != NULL
)
1200 /* If the leader ends in white space, don't add an
1202 if (lead_len
> 0 && vim_iswhite(leader
[lead_len
- 1]))
1203 extra_space
= FALSE
;
1204 leader
[lead_len
] = NUL
;
1209 leader
[lead_len
++] = ' ';
1210 leader
[lead_len
] = NUL
;
1216 * if a new indent will be set below, remove the indent that
1217 * is in the comment leader
1220 #ifdef FEAT_SMARTINDENT
1225 while (lead_len
&& vim_iswhite(*leader
))
1234 #ifdef FEAT_SMARTINDENT
1235 did_si
= can_si
= FALSE
;
1238 else if (comment_end
!= NULL
)
1241 * We have finished a comment, so we don't use the leader.
1242 * If this was a C-comment and 'ai' or 'si' is set do a normal
1243 * indent to align with the line containing the start of the
1246 if (comment_end
[0] == '*' && comment_end
[1] == '/' &&
1248 #ifdef FEAT_SMARTINDENT
1253 old_cursor
= curwin
->w_cursor
;
1254 curwin
->w_cursor
.col
= (colnr_T
)(comment_end
- saved_line
);
1255 if ((pos
= findmatch(NULL
, NUL
)) != NULL
)
1257 curwin
->w_cursor
.lnum
= pos
->lnum
;
1258 newindent
= get_indent();
1260 curwin
->w_cursor
= old_cursor
;
1266 /* (State == INSERT || State == REPLACE), only when dir == FORWARD */
1267 if (p_extra
!= NULL
)
1269 *p_extra
= saved_char
; /* restore char that NUL replaced */
1272 * When 'ai' set or "flags" has OPENLINE_DELSPACES, skip to the first
1275 * When in REPLACE mode, put the deleted blanks on the replace stack,
1276 * preceded by a NUL, so they can be put back when a BS is entered.
1278 if (REPLACE_NORMAL(State
))
1279 replace_push(NUL
); /* end of extra blanks */
1280 if (curbuf
->b_p_ai
|| (flags
& OPENLINE_DELSPACES
))
1282 while ((*p_extra
== ' ' || *p_extra
== '\t')
1285 || !utf_iscomposing(utf_ptr2char(p_extra
+ 1)))
1289 if (REPLACE_NORMAL(State
))
1290 replace_push(*p_extra
);
1295 if (*p_extra
!= NUL
)
1296 did_ai
= FALSE
; /* append some text, don't truncate now */
1298 /* columns for marks adjusted for removed columns */
1299 less_cols
= (int)(p_extra
- saved_line
);
1302 if (p_extra
== NULL
)
1303 p_extra
= (char_u
*)""; /* append empty line */
1305 #ifdef FEAT_COMMENTS
1306 /* concatenate leader and p_extra, if there is a leader */
1309 STRCAT(leader
, p_extra
);
1311 did_ai
= TRUE
; /* So truncating blanks works with comments */
1312 less_cols
-= lead_len
;
1315 end_comment_pending
= NUL
; /* turns out there was no leader */
1318 old_cursor
= curwin
->w_cursor
;
1319 if (dir
== BACKWARD
)
1320 --curwin
->w_cursor
.lnum
;
1321 #ifdef FEAT_VREPLACE
1322 if (!(State
& VREPLACE_FLAG
) || old_cursor
.lnum
>= orig_line_count
)
1325 if (ml_append(curwin
->w_cursor
.lnum
, p_extra
, (colnr_T
)0, FALSE
)
1328 /* Postpone calling changed_lines(), because it would mess up folding
1330 mark_adjust(curwin
->w_cursor
.lnum
+ 1, (linenr_T
)MAXLNUM
, 1L, 0L);
1333 #ifdef FEAT_VREPLACE
1337 * In VREPLACE mode we are starting to replace the next line.
1339 curwin
->w_cursor
.lnum
++;
1340 if (curwin
->w_cursor
.lnum
>= Insstart
.lnum
+ vr_lines_changed
)
1342 /* In case we NL to a new line, BS to the previous one, and NL
1343 * again, we don't want to save the new line for undo twice.
1345 (void)u_save_cursor(); /* errors are ignored! */
1348 ml_replace(curwin
->w_cursor
.lnum
, p_extra
, TRUE
);
1349 changed_bytes(curwin
->w_cursor
.lnum
, 0);
1350 curwin
->w_cursor
.lnum
--;
1356 #ifdef FEAT_SMARTINDENT
1361 ++curwin
->w_cursor
.lnum
;
1362 #ifdef FEAT_SMARTINDENT
1366 newindent
-= newindent
% (int)curbuf
->b_p_sw
;
1367 newindent
+= (int)curbuf
->b_p_sw
;
1370 /* Copy the indent */
1373 (void)copy_indent(newindent
, saved_line
);
1376 * Set the 'preserveindent' option so that any further screwing
1377 * with the line doesn't entirely destroy our efforts to preserve
1378 * it. It gets restored at the function end.
1380 curbuf
->b_p_pi
= TRUE
;
1383 (void)set_indent(newindent
, SIN_INSERT
);
1384 less_cols
-= curwin
->w_cursor
.col
;
1386 ai_col
= curwin
->w_cursor
.col
;
1389 * In REPLACE mode, for each character in the new indent, there must
1390 * be a NUL on the replace stack, for when it is deleted with BS
1392 if (REPLACE_NORMAL(State
))
1393 for (n
= 0; n
< (int)curwin
->w_cursor
.col
; ++n
)
1395 newcol
+= curwin
->w_cursor
.col
;
1396 #ifdef FEAT_SMARTINDENT
1402 #ifdef FEAT_COMMENTS
1404 * In REPLACE mode, for each character in the extra leader, there must be
1405 * a NUL on the replace stack, for when it is deleted with BS.
1407 if (REPLACE_NORMAL(State
))
1408 while (lead_len
-- > 0)
1412 curwin
->w_cursor
= old_cursor
;
1416 if (trunc_line
|| (State
& INSERT
))
1418 /* truncate current line at cursor */
1419 saved_line
[curwin
->w_cursor
.col
] = NUL
;
1420 /* Remove trailing white space, unless OPENLINE_KEEPTRAIL used. */
1421 if (trunc_line
&& !(flags
& OPENLINE_KEEPTRAIL
))
1422 truncate_spaces(saved_line
);
1423 ml_replace(curwin
->w_cursor
.lnum
, saved_line
, FALSE
);
1427 changed_lines(curwin
->w_cursor
.lnum
, curwin
->w_cursor
.col
,
1428 curwin
->w_cursor
.lnum
+ 1, 1L);
1431 /* Move marks after the line break to the new line. */
1432 if (flags
& OPENLINE_MARKFIX
)
1433 mark_col_adjust(curwin
->w_cursor
.lnum
,
1434 curwin
->w_cursor
.col
+ less_cols_off
,
1435 1L, (long)-less_cols
);
1438 changed_bytes(curwin
->w_cursor
.lnum
, curwin
->w_cursor
.col
);
1442 * Put the cursor on the new line. Careful: the scrollup() above may
1443 * have moved w_cursor, we must use old_cursor.
1445 curwin
->w_cursor
.lnum
= old_cursor
.lnum
+ 1;
1448 changed_lines(curwin
->w_cursor
.lnum
, 0, curwin
->w_cursor
.lnum
, 1L);
1450 curwin
->w_cursor
.col
= newcol
;
1451 #ifdef FEAT_VIRTUALEDIT
1452 curwin
->w_cursor
.coladd
= 0;
1455 #if defined(FEAT_VREPLACE) && (defined(FEAT_LISP) || defined(FEAT_CINDENT))
1457 * In VREPLACE mode, we are handling the replace stack ourselves, so stop
1458 * fixthisline() from doing it (via change_indent()) by telling it we're in
1459 * normal INSERT mode.
1461 if (State
& VREPLACE_FLAG
)
1463 vreplace_mode
= State
; /* So we know to put things right later */
1471 * May do lisp indenting.
1474 # ifdef FEAT_COMMENTS
1480 fixthisline(get_lisp_indent
);
1481 p
= ml_get_curline();
1482 ai_col
= (colnr_T
)(skipwhite(p
) - p
);
1487 * May do indenting after opening a new line.
1492 || *curbuf
->b_p_inde
!= NUL
1495 && in_cinkeys(dir
== FORWARD
1497 : KEY_OPEN_BACK
, ' ', linewhite(curwin
->w_cursor
.lnum
)))
1500 p
= ml_get_curline();
1501 ai_col
= (colnr_T
)(skipwhite(p
) - p
);
1504 #if defined(FEAT_VREPLACE) && (defined(FEAT_LISP) || defined(FEAT_CINDENT))
1505 if (vreplace_mode
!= 0)
1506 State
= vreplace_mode
;
1509 #ifdef FEAT_VREPLACE
1511 * Finally, VREPLACE gets the stuff on the new line, then puts back the
1512 * original line, and inserts the new stuff char by char, pushing old stuff
1513 * onto the replace stack (via ins_char()).
1515 if (State
& VREPLACE_FLAG
)
1517 /* Put new line in p_extra */
1518 p_extra
= vim_strsave(ml_get_curline());
1519 if (p_extra
== NULL
)
1522 /* Put back original line */
1523 ml_replace(curwin
->w_cursor
.lnum
, next_line
, FALSE
);
1525 /* Insert new stuff into line again */
1526 curwin
->w_cursor
.col
= 0;
1527 #ifdef FEAT_VIRTUALEDIT
1528 curwin
->w_cursor
.coladd
= 0;
1530 ins_bytes(p_extra
); /* will call changed_bytes() */
1536 retval
= TRUE
; /* success! */
1538 curbuf
->b_p_pi
= saved_pi
;
1539 vim_free(saved_line
);
1540 vim_free(next_line
);
1541 vim_free(allocated
);
1545 #if defined(FEAT_COMMENTS) || defined(PROTO)
1547 * get_leader_len() returns the length of the prefix of the given string
1548 * which introduces a comment. If this string is not a comment then 0 is
1550 * When "flags" is not NULL, it is set to point to the flags of the recognized
1552 * "backward" must be true for the "O" command.
1555 get_leader_len(line
, flags
, backward
)
1561 int got_com
= FALSE
;
1563 char_u part_buf
[COM_MAX_LEN
]; /* buffer for one option part */
1564 char_u
*string
; /* pointer to comment string */
1568 while (vim_iswhite(line
[i
])) /* leading white space is ignored */
1572 * Repeat to match several nested comment strings.
1577 * scan through the 'comments' option for a match
1580 for (list
= curbuf
->b_p_com
; *list
; )
1583 * Get one option part into part_buf[]. Advance list to next one.
1584 * put string at start of string.
1586 if (!got_com
&& flags
!= NULL
) /* remember where flags started */
1588 (void)copy_option_part(&list
, part_buf
, COM_MAX_LEN
, ",");
1589 string
= vim_strchr(part_buf
, ':');
1590 if (string
== NULL
) /* missing ':', ignore this part */
1592 *string
++ = NUL
; /* isolate flags from string */
1595 * When already found a nested comment, only accept further
1598 if (got_com
&& vim_strchr(part_buf
, COM_NEST
) == NULL
)
1601 /* When 'O' flag used don't use for "O" command */
1602 if (backward
&& vim_strchr(part_buf
, COM_NOBACK
) != NULL
)
1606 * Line contents and string must match.
1607 * When string starts with white space, must have some white space
1608 * (but the amount does not need to match, there might be a mix of
1611 if (vim_iswhite(string
[0]))
1613 if (i
== 0 || !vim_iswhite(line
[i
- 1]))
1615 while (vim_iswhite(string
[0]))
1618 for (j
= 0; string
[j
] != NUL
&& string
[j
] == line
[i
+ j
]; ++j
)
1620 if (string
[j
] != NUL
)
1624 * When 'b' flag used, there must be white space or an
1625 * end-of-line after the string in the line.
1627 if (vim_strchr(part_buf
, COM_BLANK
) != NULL
1628 && !vim_iswhite(line
[i
+ j
]) && line
[i
+ j
] != NUL
)
1632 * We have found a match, stop searching.
1641 * No match found, stop scanning.
1647 * Include any trailing white space.
1649 while (vim_iswhite(line
[i
]))
1653 * If this comment doesn't nest, stop here.
1655 if (vim_strchr(part_buf
, COM_NEST
) == NULL
)
1658 return (got_com
? i
: 0);
1663 * Return the number of window lines occupied by buffer line "lnum".
1669 return plines_win(curwin
, lnum
, TRUE
);
1673 plines_win(wp
, lnum
, winheight
)
1676 int winheight
; /* when TRUE limit to window height */
1678 #if defined(FEAT_DIFF) || defined(PROTO)
1679 /* Check for filler lines above this buffer line. When folded the result
1680 * is one line anyway. */
1681 return plines_win_nofill(wp
, lnum
, winheight
) + diff_check_fill(wp
, lnum
);
1688 return plines_win_nofill(curwin
, lnum
, TRUE
);
1692 plines_win_nofill(wp
, lnum
, winheight
)
1695 int winheight
; /* when TRUE limit to window height */
1703 #ifdef FEAT_VERTSPLIT
1704 if (wp
->w_width
== 0)
1709 /* A folded lines is handled just like an empty line. */
1710 /* NOTE: Caller must handle lines that are MAYBE folded. */
1711 if (lineFolded(wp
, lnum
) == TRUE
)
1715 lines
= plines_win_nofold(wp
, lnum
);
1716 if (winheight
> 0 && lines
> wp
->w_height
)
1717 return (int)wp
->w_height
;
1722 * Return number of window lines physical line "lnum" will occupy in window
1723 * "wp". Does not care about folding, 'wrap' or 'diff'.
1726 plines_win_nofold(wp
, lnum
)
1734 s
= ml_get_buf(wp
->w_buffer
, lnum
, FALSE
);
1735 if (*s
== NUL
) /* empty line */
1737 col
= win_linetabsize(wp
, s
, (colnr_T
)MAXCOL
);
1740 * If list mode is on, then the '$' at the end of the line may take up one
1743 if (wp
->w_p_list
&& lcs_eol
!= NUL
)
1747 * Add column offset for 'number' and 'foldcolumn'.
1749 width
= W_WIDTH(wp
) - win_col_off(wp
);
1755 width
+= win_col_off2(wp
);
1756 return (col
+ (width
- 1)) / width
+ 1;
1760 * Like plines_win(), but only reports the number of physical screen lines
1761 * used from the start of the line to the given column number.
1764 plines_win_col(wp
, lnum
, column
)
1775 /* Check for filler lines above this buffer line. When folded the result
1776 * is one line anyway. */
1777 lines
= diff_check_fill(wp
, lnum
);
1783 #ifdef FEAT_VERTSPLIT
1784 if (wp
->w_width
== 0)
1788 s
= ml_get_buf(wp
->w_buffer
, lnum
, FALSE
);
1791 while (*s
!= NUL
&& --column
>= 0)
1793 col
+= win_lbr_chartabsize(wp
, s
, (colnr_T
)col
, NULL
);
1798 * If *s is a TAB, and the TAB is not displayed as ^I, and we're not in
1799 * INSERT mode, then col must be adjusted so that it represents the last
1800 * screen position of the TAB. This only fixes an error when the TAB wraps
1801 * from one screen line to the next (when 'columns' is not a multiple of
1804 if (*s
== TAB
&& (State
& NORMAL
) && (!wp
->w_p_list
|| lcs_tab1
))
1805 col
+= win_lbr_chartabsize(wp
, s
, (colnr_T
)col
, NULL
) - 1;
1808 * Add column offset for 'number', 'foldcolumn', etc.
1810 width
= W_WIDTH(wp
) - win_col_off(wp
);
1816 lines
+= (col
- width
) / (width
+ win_col_off2(wp
)) + 1;
1821 plines_m_win(wp
, first
, last
)
1823 linenr_T first
, last
;
1827 while (first
<= last
)
1832 /* Check if there are any really folded lines, but also included lines
1833 * that are maybe folded. */
1834 x
= foldedCount(wp
, first
, NULL
);
1837 ++count
; /* count 1 for "+-- folded" line */
1844 if (first
== wp
->w_topline
)
1845 count
+= plines_win_nofill(wp
, first
, TRUE
) + wp
->w_topfill
;
1848 count
+= plines_win(wp
, first
, TRUE
);
1855 #if defined(FEAT_VREPLACE) || defined(FEAT_INS_EXPAND) || defined(PROTO)
1857 * Insert string "p" at the cursor position. Stops at a NUL byte.
1858 * Handles Replace mode and multi-byte characters.
1864 ins_bytes_len(p
, (int)STRLEN(p
));
1868 #if defined(FEAT_VREPLACE) || defined(FEAT_INS_EXPAND) \
1869 || defined(FEAT_COMMENTS) || defined(FEAT_MBYTE) || defined(PROTO)
1871 * Insert string "p" with length "len" at the cursor position.
1872 * Handles Replace mode and multi-byte characters.
1875 ins_bytes_len(p
, len
)
1883 for (i
= 0; i
< len
; i
+= n
)
1885 n
= (*mb_ptr2len
)(p
+ i
);
1886 ins_char_bytes(p
+ i
, n
);
1889 for (i
= 0; i
< len
; ++i
)
1896 * Insert or replace a single character at the cursor position.
1897 * When in REPLACE or VREPLACE mode, replace any existing character.
1898 * Caller must have prepared for undo.
1899 * For multi-byte characters we get the whole character, the caller must
1900 * convert bytes to a character.
1906 #if defined(FEAT_MBYTE) || defined(PROTO)
1907 char_u buf
[MB_MAXBYTES
];
1910 n
= (*mb_char2bytes
)(c
, buf
);
1912 /* When "c" is 0x100, 0x200, etc. we don't want to insert a NUL byte.
1913 * Happens for CTRL-Vu9900. */
1917 ins_char_bytes(buf
, n
);
1921 ins_char_bytes(buf
, charlen
)
1927 int newlen
; /* nr of bytes inserted */
1928 int oldlen
; /* nr of bytes deleted (0 when not replacing) */
1932 int linelen
; /* length of old line including NUL */
1934 linenr_T lnum
= curwin
->w_cursor
.lnum
;
1937 #ifdef FEAT_VIRTUALEDIT
1938 /* Break tabs if needed. */
1939 if (virtual_active() && curwin
->w_cursor
.coladd
> 0)
1940 coladvance_force(getviscol());
1943 col
= curwin
->w_cursor
.col
;
1944 oldp
= ml_get(lnum
);
1945 linelen
= (int)STRLEN(oldp
) + 1;
1947 /* The lengths default to the values for when not replacing. */
1955 if (State
& REPLACE_FLAG
)
1957 #ifdef FEAT_VREPLACE
1958 if (State
& VREPLACE_FLAG
)
1960 colnr_T new_vcol
= 0; /* init for GCC */
1968 * Disable 'list' temporarily, unless 'cpo' contains the 'L' flag.
1969 * Returns the old value of list, so when finished,
1970 * curwin->w_p_list should be set back to this.
1972 old_list
= curwin
->w_p_list
;
1973 if (old_list
&& vim_strchr(p_cpo
, CPO_LISTWM
) == NULL
)
1974 curwin
->w_p_list
= FALSE
;
1977 * In virtual replace mode each character may replace one or more
1978 * characters (zero if it's a TAB). Count the number of bytes to
1979 * be deleted to make room for the new character, counting screen
1980 * cells. May result in adding spaces to fill a gap.
1982 getvcol(curwin
, &curwin
->w_cursor
, NULL
, &vcol
, NULL
);
1987 new_vcol
= vcol
+ chartabsize(buf
, vcol
);
1988 while (oldp
[col
+ oldlen
] != NUL
&& vcol
< new_vcol
)
1990 vcol
+= chartabsize(oldp
+ col
+ oldlen
, vcol
);
1991 /* Don't need to remove a TAB that takes us to the right
1993 if (vcol
> new_vcol
&& oldp
[col
+ oldlen
] == TAB
)
1996 oldlen
+= (*mb_ptr2len
)(oldp
+ col
+ oldlen
);
2000 /* Deleted a bit too much, insert spaces. */
2001 if (vcol
> new_vcol
)
2002 newlen
+= vcol
- new_vcol
;
2004 curwin
->w_p_list
= old_list
;
2008 if (oldp
[col
] != NUL
)
2010 /* normal replace */
2012 oldlen
= (*mb_ptr2len
)(oldp
+ col
);
2019 /* Push the replaced bytes onto the replace stack, so that they can be
2020 * put back when BS is used. The bytes of a multi-byte character are
2021 * done the other way around, so that the first byte is popped off
2022 * first (it tells the byte length of the character). */
2024 for (i
= 0; i
< oldlen
; ++i
)
2028 i
+= replace_push_mb(oldp
+ col
+ i
) - 1;
2031 replace_push(oldp
[col
+ i
]);
2035 newp
= alloc_check((unsigned)(linelen
+ newlen
- oldlen
));
2039 /* Copy bytes before the cursor. */
2041 mch_memmove(newp
, oldp
, (size_t)col
);
2043 /* Copy bytes after the changed character(s). */
2045 mch_memmove(p
+ newlen
, oldp
+ col
+ oldlen
,
2046 (size_t)(linelen
- col
- oldlen
));
2048 /* Insert or overwrite the new character. */
2050 mch_memmove(p
, buf
, charlen
);
2057 /* Fill with spaces when necessary. */
2061 /* Replace the line in the buffer. */
2062 ml_replace(lnum
, newp
, FALSE
);
2064 /* mark the buffer as changed and prepare for displaying */
2065 changed_bytes(lnum
, col
);
2068 * If we're in Insert or Replace mode and 'showmatch' is set, then briefly
2069 * show the match for right parens and braces.
2071 if (p_sm
&& (State
& INSERT
)
2076 #ifdef FEAT_INS_EXPAND
2077 && !ins_compl_active()
2082 #ifdef FEAT_RIGHTLEFT
2083 if (!p_ri
|| (State
& REPLACE_FLAG
))
2086 /* Normal insert: move cursor right */
2088 curwin
->w_cursor
.col
+= charlen
;
2090 ++curwin
->w_cursor
.col
;
2094 * TODO: should try to update w_row here, to avoid recomputing it later.
2099 * Insert a string at the cursor position.
2100 * Note: Does NOT handle Replace mode.
2101 * Caller must have prepared for undo.
2107 char_u
*oldp
, *newp
;
2108 int newlen
= (int)STRLEN(s
);
2111 linenr_T lnum
= curwin
->w_cursor
.lnum
;
2113 #ifdef FEAT_VIRTUALEDIT
2114 if (virtual_active() && curwin
->w_cursor
.coladd
> 0)
2115 coladvance_force(getviscol());
2118 col
= curwin
->w_cursor
.col
;
2119 oldp
= ml_get(lnum
);
2120 oldlen
= (int)STRLEN(oldp
);
2122 newp
= alloc_check((unsigned)(oldlen
+ newlen
+ 1));
2126 mch_memmove(newp
, oldp
, (size_t)col
);
2127 mch_memmove(newp
+ col
, s
, (size_t)newlen
);
2128 mch_memmove(newp
+ col
+ newlen
, oldp
+ col
, (size_t)(oldlen
- col
+ 1));
2129 ml_replace(lnum
, newp
, FALSE
);
2130 changed_bytes(lnum
, col
);
2131 curwin
->w_cursor
.col
+= newlen
;
2135 * Delete one character under the cursor.
2136 * If "fixpos" is TRUE, don't leave the cursor on the NUL after the line.
2137 * Caller must have prepared for undo.
2139 * return FAIL for failure, OK otherwise
2148 /* Make sure the cursor is at the start of a character. */
2150 if (*ml_get_cursor() == NUL
)
2152 return del_chars(1L, fixpos
);
2155 return del_bytes(1L, fixpos
, TRUE
);
2158 #if defined(FEAT_MBYTE) || defined(PROTO)
2160 * Like del_bytes(), but delete characters instead of bytes.
2163 del_chars(count
, fixpos
)
2172 p
= ml_get_cursor();
2173 for (i
= 0; i
< count
&& *p
!= NUL
; ++i
)
2175 l
= (*mb_ptr2len
)(p
);
2179 return del_bytes(bytes
, fixpos
, TRUE
);
2184 * Delete "count" bytes under the cursor.
2185 * If "fixpos" is TRUE, don't leave the cursor on the NUL after the line.
2186 * Caller must have prepared for undo.
2188 * return FAIL for failure, OK otherwise
2192 del_bytes(count
, fixpos_arg
, use_delcombine
)
2195 int use_delcombine
; /* 'delcombine' option applies */
2197 char_u
*oldp
, *newp
;
2199 linenr_T lnum
= curwin
->w_cursor
.lnum
;
2200 colnr_T col
= curwin
->w_cursor
.col
;
2203 int fixpos
= fixpos_arg
;
2205 oldp
= ml_get(lnum
);
2206 oldlen
= (int)STRLEN(oldp
);
2209 * Can't do anything when the cursor is on the NUL after the line.
2215 /* If 'delcombine' is set and deleting (less than) one character, only
2216 * delete the last combining character. */
2217 if (p_deco
&& use_delcombine
&& enc_utf8
2218 && utfc_ptr2len(oldp
+ col
) >= count
)
2223 (void)utfc_ptr2char(oldp
+ col
, cc
);
2226 /* Find the last composing char, there can be several. */
2231 count
= utf_ptr2len(oldp
+ n
);
2233 } while (UTF_COMPOSINGLIKE(oldp
+ col
, oldp
+ n
));
2240 * When count is too big, reduce it.
2242 movelen
= (long)oldlen
- (long)col
- count
+ 1; /* includes trailing NUL */
2246 * If we just took off the last character of a non-blank line, and
2247 * fixpos is TRUE, we don't want to end up positioned at the NUL,
2248 * unless "restart_edit" is set or 'virtualedit' contains "onemore".
2250 if (col
> 0 && fixpos
&& restart_edit
== 0
2251 #ifdef FEAT_VIRTUALEDIT
2252 && (ve_flags
& VE_ONEMORE
) == 0
2256 --curwin
->w_cursor
.col
;
2257 #ifdef FEAT_VIRTUALEDIT
2258 curwin
->w_cursor
.coladd
= 0;
2262 curwin
->w_cursor
.col
-=
2263 (*mb_head_off
)(oldp
, oldp
+ curwin
->w_cursor
.col
);
2266 count
= oldlen
- col
;
2271 * If the old line has been allocated the deletion can be done in the
2272 * existing line. Otherwise a new line has to be allocated
2274 was_alloced
= ml_line_alloced(); /* check if oldp was allocated */
2275 #ifdef FEAT_NETBEANS_INTG
2276 if (was_alloced
&& usingNetbeans
)
2277 netbeans_removed(curbuf
, lnum
, col
, count
);
2278 /* else is handled by ml_replace() */
2281 newp
= oldp
; /* use same allocated memory */
2283 { /* need to allocate a new line */
2284 newp
= alloc((unsigned)(oldlen
+ 1 - count
));
2287 mch_memmove(newp
, oldp
, (size_t)col
);
2289 mch_memmove(newp
+ col
, oldp
+ col
+ count
, (size_t)movelen
);
2291 ml_replace(lnum
, newp
, FALSE
);
2293 /* mark the buffer as changed and prepare for displaying */
2294 changed_bytes(lnum
, curwin
->w_cursor
.col
);
2300 * Delete from cursor to end of line.
2301 * Caller must have prepared for undo.
2303 * return FAIL for failure, OK otherwise
2306 truncate_line(fixpos
)
2307 int fixpos
; /* if TRUE fix the cursor position when done */
2310 linenr_T lnum
= curwin
->w_cursor
.lnum
;
2311 colnr_T col
= curwin
->w_cursor
.col
;
2314 newp
= vim_strsave((char_u
*)"");
2316 newp
= vim_strnsave(ml_get(lnum
), col
);
2321 ml_replace(lnum
, newp
, FALSE
);
2323 /* mark the buffer as changed and prepare for displaying */
2324 changed_bytes(lnum
, curwin
->w_cursor
.col
);
2327 * If "fixpos" is TRUE we don't want to end up positioned at the NUL.
2329 if (fixpos
&& curwin
->w_cursor
.col
> 0)
2330 --curwin
->w_cursor
.col
;
2336 * Delete "nlines" lines at the cursor.
2337 * Saves the lines for undo first if "undo" is TRUE.
2340 del_lines(nlines
, undo
)
2341 long nlines
; /* number of lines to delete */
2342 int undo
; /* if TRUE, prepare for undo */
2349 /* save the deleted lines for undo */
2350 if (undo
&& u_savedel(curwin
->w_cursor
.lnum
, nlines
) == FAIL
)
2353 for (n
= 0; n
< nlines
; )
2355 if (curbuf
->b_ml
.ml_flags
& ML_EMPTY
) /* nothing to delete */
2358 ml_delete(curwin
->w_cursor
.lnum
, TRUE
);
2361 /* If we delete the last line in the file, stop */
2362 if (curwin
->w_cursor
.lnum
> curbuf
->b_ml
.ml_line_count
)
2365 /* adjust marks, mark the buffer as changed and prepare for displaying */
2366 deleted_lines_mark(curwin
->w_cursor
.lnum
, n
);
2368 curwin
->w_cursor
.col
= 0;
2369 check_cursor_lnum();
2376 char_u
*ptr
= ml_get_pos(pos
);
2380 return (*mb_ptr2char
)(ptr
);
2390 return (*mb_ptr2char
)(ml_get_cursor());
2392 return (int)*ml_get_cursor();
2396 * Write a character at the current cursor position.
2397 * It is directly written into the block.
2403 *(ml_get_buf(curbuf
, curwin
->w_cursor
.lnum
, TRUE
)
2404 + curwin
->w_cursor
.col
) = c
;
2407 #if 0 /* not used */
2409 * Put *pos at end of current buffer
2417 pos
->lnum
= curbuf
->b_ml
.ml_line_count
;
2419 p
= ml_get(pos
->lnum
);
2426 * When extra == 0: Return TRUE if the cursor is before or on the first
2427 * non-blank in the line.
2428 * When extra == 1: Return TRUE if the cursor is before the first non-blank in
2438 for (col
= 0, ptr
= ml_get_curline(); vim_iswhite(*ptr
); ++col
)
2440 if (col
>= curwin
->w_cursor
.col
+ extra
)
2447 * Skip to next part of an option argument: Skip space and comma.
2450 skip_to_option_part(p
)
2461 * changed() is called when something in the current buffer is changed.
2463 * Most often called through changed_bytes() and changed_lines(), which also
2464 * mark the area of the display to be redrawn.
2469 #if defined(FEAT_XIM) && defined(FEAT_GUI_GTK)
2470 /* The text of the preediting area is inserted, but this doesn't
2471 * mean a change of the buffer yet. That is delayed until the
2472 * text is committed. (this means preedit becomes empty) */
2473 if (im_is_preediting() && !xim_changed_while_preediting
)
2475 xim_changed_while_preediting
= FALSE
;
2478 if (!curbuf
->b_changed
)
2480 int save_msg_scroll
= msg_scroll
;
2482 /* Give a warning about changing a read-only file. This may also
2483 * check-out the file, thus change "curbuf"! */
2486 /* Create a swap file if that is wanted.
2487 * Don't do this for "nofile" and "nowrite" buffer types. */
2488 if (curbuf
->b_may_swap
2489 #ifdef FEAT_QUICKFIX
2490 && !bt_dontwrite(curbuf
)
2494 ml_open_file(curbuf
);
2496 /* The ml_open_file() can cause an ATTENTION message.
2497 * Wait two seconds, to make sure the user reads this unexpected
2498 * message. Since we could be anywhere, call wait_return() now,
2499 * and don't let the emsg() set msg_scroll. */
2500 if (need_wait_return
&& emsg_silent
== 0)
2503 ui_delay(2000L, TRUE
);
2505 msg_scroll
= save_msg_scroll
;
2508 curbuf
->b_changed
= TRUE
;
2509 ml_setflags(curbuf
);
2511 check_status(curbuf
);
2512 redraw_tabline
= TRUE
;
2515 need_maketitle
= TRUE
; /* set window title later */
2518 ++curbuf
->b_changedtick
;
2521 static void changedOneline
__ARGS((buf_T
*buf
, linenr_T lnum
));
2522 static void changed_lines_buf
__ARGS((buf_T
*buf
, linenr_T lnum
, linenr_T lnume
, long xtra
));
2523 static void changed_common
__ARGS((linenr_T lnum
, colnr_T col
, linenr_T lnume
, long xtra
));
2526 * Changed bytes within a single line for the current buffer.
2527 * - marks the windows on this buffer to be redisplayed
2528 * - marks the buffer changed by calling changed()
2529 * - invalidates cached values
2532 changed_bytes(lnum
, col
)
2536 changedOneline(curbuf
, lnum
);
2537 changed_common(lnum
, col
, lnum
+ 1, 0L);
2540 /* Diff highlighting in other diff windows may need to be updated too. */
2541 if (curwin
->w_p_diff
)
2546 for (wp
= firstwin
; wp
!= NULL
; wp
= wp
->w_next
)
2547 if (wp
->w_p_diff
&& wp
!= curwin
)
2549 redraw_win_later(wp
, VALID
);
2550 wlnum
= diff_lnum_win(lnum
, wp
);
2552 changedOneline(wp
->w_buffer
, wlnum
);
2559 changedOneline(buf
, lnum
)
2565 /* find the maximum area that must be redisplayed */
2566 if (lnum
< buf
->b_mod_top
)
2567 buf
->b_mod_top
= lnum
;
2568 else if (lnum
>= buf
->b_mod_bot
)
2569 buf
->b_mod_bot
= lnum
+ 1;
2573 /* set the area that must be redisplayed to one line */
2574 buf
->b_mod_set
= TRUE
;
2575 buf
->b_mod_top
= lnum
;
2576 buf
->b_mod_bot
= lnum
+ 1;
2577 buf
->b_mod_xlines
= 0;
2582 * Appended "count" lines below line "lnum" in the current buffer.
2583 * Must be called AFTER the change and after mark_adjust().
2584 * Takes care of marking the buffer to be redrawn and sets the changed flag.
2587 appended_lines(lnum
, count
)
2591 changed_lines(lnum
+ 1, 0, lnum
+ 1, count
);
2595 * Like appended_lines(), but adjust marks first.
2598 appended_lines_mark(lnum
, count
)
2602 mark_adjust(lnum
+ 1, (linenr_T
)MAXLNUM
, count
, 0L);
2603 changed_lines(lnum
+ 1, 0, lnum
+ 1, count
);
2607 * Deleted "count" lines at line "lnum" in the current buffer.
2608 * Must be called AFTER the change and after mark_adjust().
2609 * Takes care of marking the buffer to be redrawn and sets the changed flag.
2612 deleted_lines(lnum
, count
)
2616 changed_lines(lnum
, 0, lnum
+ count
, -count
);
2620 * Like deleted_lines(), but adjust marks first.
2623 deleted_lines_mark(lnum
, count
)
2627 mark_adjust(lnum
, (linenr_T
)(lnum
+ count
- 1), (long)MAXLNUM
, -count
);
2628 changed_lines(lnum
, 0, lnum
+ count
, -count
);
2632 * Changed lines for the current buffer.
2633 * Must be called AFTER the change and after mark_adjust().
2634 * - mark the buffer changed by calling changed()
2635 * - mark the windows on this buffer to be redisplayed
2636 * - invalidate cached values
2637 * "lnum" is the first line that needs displaying, "lnume" the first line
2638 * below the changed lines (BEFORE the change).
2639 * When only inserting lines, "lnum" and "lnume" are equal.
2640 * Takes care of calling changed() and updating b_mod_*.
2643 changed_lines(lnum
, col
, lnume
, xtra
)
2644 linenr_T lnum
; /* first line with change */
2645 colnr_T col
; /* column in first line with change */
2646 linenr_T lnume
; /* line below last changed line */
2647 long xtra
; /* number of extra lines (negative when deleting) */
2649 changed_lines_buf(curbuf
, lnum
, lnume
, xtra
);
2652 if (xtra
== 0 && curwin
->w_p_diff
)
2654 /* When the number of lines doesn't change then mark_adjust() isn't
2655 * called and other diff buffers still need to be marked for
2660 for (wp
= firstwin
; wp
!= NULL
; wp
= wp
->w_next
)
2661 if (wp
->w_p_diff
&& wp
!= curwin
)
2663 redraw_win_later(wp
, VALID
);
2664 wlnum
= diff_lnum_win(lnum
, wp
);
2666 changed_lines_buf(wp
->w_buffer
, wlnum
,
2667 lnume
- lnum
+ wlnum
, 0L);
2672 changed_common(lnum
, col
, lnume
, xtra
);
2676 changed_lines_buf(buf
, lnum
, lnume
, xtra
)
2678 linenr_T lnum
; /* first line with change */
2679 linenr_T lnume
; /* line below last changed line */
2680 long xtra
; /* number of extra lines (negative when deleting) */
2684 /* find the maximum area that must be redisplayed */
2685 if (lnum
< buf
->b_mod_top
)
2686 buf
->b_mod_top
= lnum
;
2687 if (lnum
< buf
->b_mod_bot
)
2689 /* adjust old bot position for xtra lines */
2690 buf
->b_mod_bot
+= xtra
;
2691 if (buf
->b_mod_bot
< lnum
)
2692 buf
->b_mod_bot
= lnum
;
2694 if (lnume
+ xtra
> buf
->b_mod_bot
)
2695 buf
->b_mod_bot
= lnume
+ xtra
;
2696 buf
->b_mod_xlines
+= xtra
;
2700 /* set the area that must be redisplayed */
2701 buf
->b_mod_set
= TRUE
;
2702 buf
->b_mod_top
= lnum
;
2703 buf
->b_mod_bot
= lnume
+ xtra
;
2704 buf
->b_mod_xlines
= xtra
;
2709 changed_common(lnum
, col
, lnume
, xtra
)
2717 #ifdef FEAT_JUMPLIST
2723 /* mark the buffer as modified */
2726 /* set the '. mark */
2727 if (!cmdmod
.keepjumps
)
2729 curbuf
->b_last_change
.lnum
= lnum
;
2730 curbuf
->b_last_change
.col
= col
;
2732 #ifdef FEAT_JUMPLIST
2733 /* Create a new entry if a new undo-able change was started or we
2734 * don't have an entry yet. */
2735 if (curbuf
->b_new_change
|| curbuf
->b_changelistlen
== 0)
2737 if (curbuf
->b_changelistlen
== 0)
2741 /* Don't create a new entry when the line number is the same
2742 * as the last one and the column is not too far away. Avoids
2743 * creating many entries for typing "xxxxx". */
2744 p
= &curbuf
->b_changelist
[curbuf
->b_changelistlen
- 1];
2745 if (p
->lnum
!= lnum
)
2749 cols
= comp_textwidth(FALSE
);
2752 add
= (p
->col
+ cols
< col
|| col
+ cols
< p
->col
);
2757 /* This is the first of a new sequence of undo-able changes
2758 * and it's at some distance of the last change. Use a new
2759 * position in the changelist. */
2760 curbuf
->b_new_change
= FALSE
;
2762 if (curbuf
->b_changelistlen
== JUMPLISTSIZE
)
2764 /* changelist is full: remove oldest entry */
2765 curbuf
->b_changelistlen
= JUMPLISTSIZE
- 1;
2766 mch_memmove(curbuf
->b_changelist
, curbuf
->b_changelist
+ 1,
2767 sizeof(pos_T
) * (JUMPLISTSIZE
- 1));
2770 /* Correct position in changelist for other windows on
2772 if (wp
->w_buffer
== curbuf
&& wp
->w_changelistidx
> 0)
2773 --wp
->w_changelistidx
;
2778 /* For other windows, if the position in the changelist is
2779 * at the end it stays at the end. */
2780 if (wp
->w_buffer
== curbuf
2781 && wp
->w_changelistidx
== curbuf
->b_changelistlen
)
2782 ++wp
->w_changelistidx
;
2784 ++curbuf
->b_changelistlen
;
2787 curbuf
->b_changelist
[curbuf
->b_changelistlen
- 1] =
2788 curbuf
->b_last_change
;
2789 /* The current window is always after the last change, so that "g,"
2790 * takes you back to it. */
2791 curwin
->w_changelistidx
= curbuf
->b_changelistlen
;
2797 if (wp
->w_buffer
== curbuf
)
2799 /* Mark this window to be redrawn later. */
2800 if (wp
->w_redr_type
< VALID
)
2801 wp
->w_redr_type
= VALID
;
2803 /* Check if a change in the buffer has invalidated the cached
2804 * values for the cursor. */
2807 * Update the folds for this window. Can't postpone this, because
2808 * a following operator might work on the whole fold: ">>dd".
2810 foldUpdate(wp
, lnum
, lnume
+ xtra
- 1);
2812 /* The change may cause lines above or below the change to become
2813 * included in a fold. Set lnum/lnume to the first/last line that
2814 * might be displayed differently.
2815 * Set w_cline_folded here as an efficient way to update it when
2816 * inserting lines just above a closed fold. */
2817 i
= hasFoldingWin(wp
, lnum
, &lnum
, NULL
, FALSE
, NULL
);
2818 if (wp
->w_cursor
.lnum
== lnum
)
2819 wp
->w_cline_folded
= i
;
2820 i
= hasFoldingWin(wp
, lnume
, NULL
, &lnume
, FALSE
, NULL
);
2821 if (wp
->w_cursor
.lnum
== lnume
)
2822 wp
->w_cline_folded
= i
;
2824 /* If the changed line is in a range of previously folded lines,
2825 * compare with the first line in that range. */
2826 if (wp
->w_cursor
.lnum
<= lnum
)
2828 i
= find_wl_entry(wp
, lnum
);
2829 if (i
>= 0 && wp
->w_cursor
.lnum
> wp
->w_lines
[i
].wl_lnum
)
2830 changed_line_abv_curs_win(wp
);
2834 if (wp
->w_cursor
.lnum
> lnum
)
2835 changed_line_abv_curs_win(wp
);
2836 else if (wp
->w_cursor
.lnum
== lnum
&& wp
->w_cursor
.col
>= col
)
2837 changed_cline_bef_curs_win(wp
);
2838 if (wp
->w_botline
>= lnum
)
2840 /* Assume that botline doesn't change (inserted lines make
2841 * other lines scroll down below botline). */
2842 approximate_botline_win(wp
);
2845 /* Check if any w_lines[] entries have become invalid.
2846 * For entries below the change: Correct the lnums for
2847 * inserted/deleted lines. Makes it possible to stop displaying
2848 * after the change. */
2849 for (i
= 0; i
< wp
->w_lines_valid
; ++i
)
2850 if (wp
->w_lines
[i
].wl_valid
)
2852 if (wp
->w_lines
[i
].wl_lnum
>= lnum
)
2854 if (wp
->w_lines
[i
].wl_lnum
< lnume
)
2856 /* line included in change */
2857 wp
->w_lines
[i
].wl_valid
= FALSE
;
2861 /* line below change */
2862 wp
->w_lines
[i
].wl_lnum
+= xtra
;
2864 wp
->w_lines
[i
].wl_lastlnum
+= xtra
;
2869 else if (wp
->w_lines
[i
].wl_lastlnum
>= lnum
)
2871 /* change somewhere inside this range of folded lines,
2872 * may need to be redrawn */
2873 wp
->w_lines
[i
].wl_valid
= FALSE
;
2880 /* Call update_screen() later, which checks out what needs to be redrawn,
2881 * since it notices b_mod_set and then uses b_mod_*. */
2882 if (must_redraw
< VALID
)
2883 must_redraw
= VALID
;
2886 /* when the cursor line is changed always trigger CursorMoved */
2887 if (lnum
<= curwin
->w_cursor
.lnum
2888 && lnume
+ (xtra
< 0 ? -xtra
: xtra
) > curwin
->w_cursor
.lnum
)
2889 last_cursormoved
.lnum
= 0;
2894 * unchanged() is called when the changed flag must be reset for buffer 'buf'
2899 int ff
; /* also reset 'fileformat' */
2901 if (buf
->b_changed
|| (ff
&& file_ff_differs(buf
)))
2909 redraw_tabline
= TRUE
;
2912 need_maketitle
= TRUE
; /* set window title later */
2915 ++buf
->b_changedtick
;
2916 #ifdef FEAT_NETBEANS_INTG
2917 netbeans_unmodified(buf
);
2921 #if defined(FEAT_WINDOWS) || defined(PROTO)
2923 * check_status: called when the status bars for the buffer 'buf'
2924 * need to be updated
2932 for (wp
= firstwin
; wp
!= NULL
; wp
= wp
->w_next
)
2933 if (wp
->w_buffer
== buf
&& wp
->w_status_height
)
2935 wp
->w_redr_status
= TRUE
;
2936 if (must_redraw
< VALID
)
2937 must_redraw
= VALID
;
2943 * If the file is readonly, give a warning message with the first change.
2944 * Don't do this for autocommands.
2945 * Don't use emsg(), because it flushes the macro buffer.
2946 * If we have undone all changes b_changed will be FALSE, but "b_did_warn"
2951 int col
; /* column for message; non-zero when in insert
2952 mode and 'showmode' is on */
2954 if (curbuf
->b_did_warn
== FALSE
2955 && curbufIsChanged() == 0
2963 apply_autocmds(EVENT_FILECHANGEDRO
, NULL
, NULL
, FALSE
, curbuf
);
2965 if (!curbuf
->b_p_ro
)
2969 * Do what msg() does, but with a column offset if the warning should
2970 * be after the mode message.
2973 if (msg_row
== Rows
- 1)
2975 msg_source(hl_attr(HLF_W
));
2976 MSG_PUTS_ATTR(_("W10: Warning: Changing a readonly file"),
2977 hl_attr(HLF_W
) | MSG_HIST
);
2980 if (msg_silent
== 0 && !silent_mode
)
2983 ui_delay(1000L, TRUE
); /* give the user time to think about it */
2985 curbuf
->b_did_warn
= TRUE
;
2986 redraw_cmdline
= FALSE
; /* don't redraw and erase the message */
2987 if (msg_row
< Rows
- 1)
2993 * Ask for a reply from the user, a 'y' or a 'n'.
2994 * No other characters are accepted, the message is repeated until a valid
2995 * reply is entered or CTRL-C is hit.
2996 * If direct is TRUE, don't use vgetc() but ui_inchar(), don't get characters
2997 * from any buffers but directly from the user.
2999 * return the 'y' or 'n'
3002 ask_yesno(str
, direct
)
3007 int save_State
= State
;
3009 if (exiting
) /* put terminal in raw mode for this question */
3010 settmode(TMODE_RAW
);
3012 #ifdef USE_ON_FLY_SCROLL
3013 dont_scroll
= TRUE
; /* disallow scrolling here */
3015 State
= CONFIRM
; /* mouse behaves like with :confirm */
3017 setmouse(); /* disables mouse for xterm */
3020 ++allow_keys
; /* no mapping here, but recognize keys */
3022 while (r
!= 'y' && r
!= 'n')
3024 /* same highlighting as for wait_return */
3025 smsg_attr(hl_attr(HLF_R
), (char_u
*)"%s (y/n)?", str
);
3027 r
= get_keystroke();
3030 if (r
== Ctrl_C
|| r
== ESC
)
3032 msg_putchar(r
); /* show what you typed */
3047 * Get a key stroke directly from the user.
3048 * Ignores mouse clicks and scrollbar events, except a click for the left
3049 * button (used at the more prompt).
3050 * Doesn't use vgetc(), because it syncs undo and eats mapped characters.
3051 * Disadvantage: typeahead is ignored.
3052 * Translates the interrupt character for unix to ESC.
3058 char_u buf
[CBUFLEN
];
3061 int save_mapped_ctrl_c
= mapped_ctrl_c
;
3064 mapped_ctrl_c
= FALSE
; /* mappings are not used here */
3070 /* First time: blocking wait. Second time: wait up to 100ms for a
3071 * terminal code to complete. Leave some room for check_termcode() to
3072 * insert a key code into (max 5 chars plus NUL). And
3073 * fix_input_buffer() can triple the number of bytes. */
3074 n
= ui_inchar(buf
+ len
, (CBUFLEN
- 6 - len
) / 3,
3075 len
== 0 ? -1L : 100L, 0);
3078 /* Replace zero and CSI by a special key code. */
3079 n
= fix_input_buffer(buf
+ len
, n
, FALSE
);
3084 ++waited
; /* keep track of the waiting time */
3086 /* Incomplete termcode and not timed out yet: get more characters */
3087 if ((n
= check_termcode(1, buf
, len
)) < 0
3088 && (!p_ttimeout
|| waited
* 100L < (p_ttm
< 0 ? p_tm
: p_ttm
)))
3091 /* found a termcode: adjust length */
3094 if (len
== 0) /* nothing typed yet */
3097 /* Handle modifier and/or special key code. */
3101 n
= TO_SPECIAL(buf
[1], buf
[2]);
3102 if (buf
[1] == KS_MODIFIER
3105 || n
== K_LEFTMOUSE_NM
3107 || n
== K_LEFTRELEASE
3108 || n
== K_LEFTRELEASE_NM
3109 || n
== K_MIDDLEMOUSE
3110 || n
== K_MIDDLEDRAG
3111 || n
== K_MIDDLERELEASE
3112 || n
== K_RIGHTMOUSE
3114 || n
== K_RIGHTRELEASE
3124 || n
== K_VER_SCROLLBAR
3125 || n
== K_HOR_SCROLLBAR
3130 if (buf
[1] == KS_MODIFIER
)
3134 mch_memmove(buf
, buf
+ 3, (size_t)len
);
3142 if (MB_BYTE2LEN(n
) > len
)
3143 continue; /* more bytes to get */
3144 buf
[len
>= CBUFLEN
? CBUFLEN
- 1 : len
] = NUL
;
3145 n
= (*mb_ptr2char
)(buf
);
3155 mapped_ctrl_c
= save_mapped_ctrl_c
;
3160 * Get a number from the user.
3161 * When "mouse_used" is not NULL allow using the mouse.
3164 get_number(colon
, mouse_used
)
3165 int colon
; /* allow colon to abort */
3172 if (mouse_used
!= NULL
)
3173 *mouse_used
= FALSE
;
3175 /* When not printing messages, the user won't know what to type, return a
3176 * zero (as if CR was hit). */
3177 if (msg_silent
!= 0)
3180 #ifdef USE_ON_FLY_SCROLL
3181 dont_scroll
= TRUE
; /* disallow scrolling here */
3184 ++allow_keys
; /* no mapping here, but recognize keys */
3187 windgoto(msg_row
, msg_col
);
3191 n
= n
* 10 + c
- '0';
3195 else if (c
== K_DEL
|| c
== K_KDEL
|| c
== K_BS
|| c
== Ctrl_H
)
3205 else if (mouse_used
!= NULL
&& c
== K_LEFTMOUSE
)
3212 else if (n
== 0 && c
== ':' && colon
)
3214 stuffcharReadbuff(':');
3216 cmdline_row
= msg_row
;
3217 skip_redraw
= TRUE
; /* skip redraw once */
3221 else if (c
== CAR
|| c
== NL
|| c
== Ctrl_C
|| c
== ESC
)
3230 * Ask the user to enter a number.
3231 * When "mouse_used" is not NULL allow using the mouse and in that case return
3235 prompt_for_number(mouse_used
)
3239 int save_cmdline_row
;
3242 /* When using ":silent" assume that <CR> was entered. */
3243 if (mouse_used
!= NULL
)
3244 MSG_PUTS(_("Type number or click with mouse (<Enter> cancels): "));
3246 MSG_PUTS(_("Choice number (<Enter> cancels): "));
3248 /* Set the state such that text can be selected/copied/pasted and we still
3249 * get mouse events. */
3250 save_cmdline_row
= cmdline_row
;
3255 i
= get_number(TRUE
, mouse_used
);
3258 /* don't call wait_return() now */
3259 /* msg_putchar('\n'); */
3260 cmdline_row
= msg_row
- 1;
3261 need_wait_return
= FALSE
;
3265 cmdline_row
= save_cmdline_row
;
3277 if (global_busy
/* no messages now, wait until global is finished */
3278 || !messaging()) /* 'lazyredraw' set, don't do messages now */
3281 /* We don't want to overwrite another important message, but do overwrite
3282 * a previous "more lines" or "fewer lines" message, so that "5dd" and
3283 * then "put" reports the last action. */
3284 if (keep_msg
!= NULL
&& !keep_msg_more
)
3297 STRCPY(msg_buf
, _("1 more line"));
3299 STRCPY(msg_buf
, _("1 line less"));
3304 sprintf((char *)msg_buf
, _("%ld more lines"), pn
);
3306 sprintf((char *)msg_buf
, _("%ld fewer lines"), pn
);
3309 STRCAT(msg_buf
, _(" (Interrupted)"));
3312 set_keep_msg(msg_buf
, 0);
3313 keep_msg_more
= TRUE
;
3319 * flush map and typeahead buffers and give a warning for an error
3324 if (emsg_silent
== 0)
3326 flush_buffers(FALSE
);
3332 * give a warning for an error
3337 if (emsg_silent
== 0)
3341 /* While the GUI is starting up the termcap is set for the GUI
3342 * but the output still goes to a terminal. */
3343 && !(gui
.in_use
&& gui
.starting
)
3353 * The number of beeps outputted is reduced to avoid having to wait
3354 * for all the beeps to finish. This is only a problem on systems
3355 * where the beeps don't overlap.
3357 if (beep_count
== 0 || beep_count
== 10)
3369 /* When 'verbose' is set and we are sourcing a script or executing a
3370 * function give the user a hint where the beep comes from. */
3371 if (vim_strchr(p_debug
, 'e') != NULL
)
3373 msg_source(hl_attr(HLF_W
));
3374 msg_attr((char_u
*)_("Beep!"), hl_attr(HLF_W
));
3380 * To get the "real" home directory:
3381 * - get value of $HOME
3383 * - go to that directory
3384 * - do mch_dirname() to get the real name of that directory.
3385 * This also works with mounts and links.
3386 * Don't do this for MS-DOS, it will change the "current dir" for a drive.
3388 static char_u
*homedir
= NULL
;
3395 /* In case we are called a second time (when 'encoding' changes). */
3400 var
= mch_getenv((char_u
*)"SYS$LOGIN");
3402 var
= mch_getenv((char_u
*)"HOME");
3405 if (var
!= NULL
&& *var
== NUL
) /* empty is same as not set */
3410 * Weird but true: $HOME may contain an indirect reference to another
3411 * variable, esp. "%USERPROFILE%". Happens when $USERPROFILE isn't set
3412 * when $HOME is being set.
3414 if (var
!= NULL
&& *var
== '%')
3419 p
= vim_strchr(var
+ 1, '%');
3422 vim_strncpy(NameBuff
, var
+ 1, p
- (var
+ 1));
3423 exp
= mch_getenv(NameBuff
);
3424 if (exp
!= NULL
&& *exp
!= NUL
3425 && STRLEN(exp
) + STRLEN(p
) < MAXPATHL
)
3427 vim_snprintf((char *)NameBuff
, MAXPATHL
, "%s%s", exp
, p
+ 1);
3429 /* Also set $HOME, it's needed for _viminfo. */
3430 vim_setenv((char_u
*)"HOME", NameBuff
);
3436 * Typically, $HOME is not defined on Windows, unless the user has
3437 * specifically defined it for Vim's sake. However, on Windows NT
3438 * platforms, $HOMEDRIVE and $HOMEPATH are automatically defined for
3439 * each user. Try constructing $HOME from these.
3443 char_u
*homedrive
, *homepath
;
3445 homedrive
= mch_getenv((char_u
*)"HOMEDRIVE");
3446 homepath
= mch_getenv((char_u
*)"HOMEPATH");
3447 if (homedrive
!= NULL
&& homepath
!= NULL
3448 && STRLEN(homedrive
) + STRLEN(homepath
) < MAXPATHL
)
3450 sprintf((char *)NameBuff
, "%s%s", homedrive
, homepath
);
3451 if (NameBuff
[0] != NUL
)
3454 /* Also set $HOME, it's needed for _viminfo. */
3455 vim_setenv((char_u
*)"HOME", NameBuff
);
3460 # if defined(FEAT_MBYTE)
3461 if (enc_utf8
&& var
!= NULL
)
3466 /* Convert from active codepage to UTF-8. Other conversions are
3467 * not done, because they would fail for non-ASCII characters. */
3468 acp_to_enc(var
, (int)STRLEN(var
), &pp
, &len
);
3478 #if defined(OS2) || defined(MSDOS) || defined(MSWIN)
3480 * Default home dir is C:/
3481 * Best assumption we can make in such a situation.
3490 * Change to the directory and get the actual path. This resolves
3491 * links. Don't do it when we can't return.
3493 if (mch_dirname(NameBuff
, MAXPATHL
) == OK
3494 && mch_chdir((char *)NameBuff
) == 0)
3496 if (!mch_chdir((char *)var
) && mch_dirname(IObuff
, IOSIZE
) == OK
)
3498 if (mch_chdir((char *)NameBuff
) != 0)
3499 EMSG(_(e_prev_dir
));
3502 homedir
= vim_strsave(var
);
3506 #if defined(EXITFREE) || defined(PROTO)
3515 * Call expand_env() and store the result in an allocated string.
3516 * This is not very memory efficient, this expects the result to be freed
3520 expand_env_save(src
)
3523 return expand_env_save_opt(src
, FALSE
);
3527 * Idem, but when "one" is TRUE handle the string as one file name, only
3528 * expand "~" at the start.
3531 expand_env_save_opt(src
, one
)
3537 p
= alloc(MAXPATHL
);
3539 expand_env_esc(src
, p
, MAXPATHL
, FALSE
, one
, NULL
);
3544 * Expand environment variable with path name.
3545 * "~/" is also expanded, using $HOME. For Unix "~user/" is expanded.
3546 * Skips over "\ ", "\~" and "\$" (not for Win32 though).
3547 * If anything fails no expansion is done and dst equals src.
3550 expand_env(src
, dst
, dstlen
)
3551 char_u
*src
; /* input string e.g. "$HOME/vim.hlp" */
3552 char_u
*dst
; /* where to put the result */
3553 int dstlen
; /* maximum length of the result */
3555 expand_env_esc(src
, dst
, dstlen
, FALSE
, FALSE
, NULL
);
3559 expand_env_esc(srcp
, dst
, dstlen
, esc
, one
, startstr
)
3560 char_u
*srcp
; /* input string e.g. "$HOME/vim.hlp" */
3561 char_u
*dst
; /* where to put the result */
3562 int dstlen
; /* maximum length of the result */
3563 int esc
; /* escape spaces in expanded variables */
3564 int one
; /* "srcp" is one file name */
3565 char_u
*startstr
; /* start again after this (can be NULL) */
3572 int mustfree
; /* var was allocated, need to free it later */
3573 int at_start
= TRUE
; /* at start of a name */
3574 int startstr_len
= 0;
3576 if (startstr
!= NULL
)
3577 startstr_len
= (int)STRLEN(startstr
);
3579 src
= skipwhite(srcp
);
3580 --dstlen
; /* leave one char space for "\," */
3581 while (*src
&& dstlen
> 0)
3589 #if defined(MSDOS) || defined(MSWIN) || defined(OS2)
3592 || (*src
== '~' && at_start
))
3597 * The variable name is copied into dst temporarily, because it may
3598 * be a string in read-only memory and a NUL needs to be appended.
3600 if (*src
!= '~') /* environment var */
3607 /* Unix has ${var-name} type environment vars */
3608 if (*tail
== '{' && !vim_isIDc('{'))
3610 tail
++; /* ignore '{' */
3611 while (c
-- > 0 && *tail
&& *tail
!= '}')
3617 while (c
-- > 0 && *tail
!= NUL
&& ((vim_isIDc(*tail
))
3618 #if defined(MSDOS) || defined(MSWIN) || defined(OS2)
3619 || (*src
== '%' && *tail
!= '%')
3623 #ifdef OS2 /* env vars only in uppercase */
3624 *var
++ = TOUPPER_LOC(*tail
);
3625 tail
++; /* toupper() may be a macro! */
3632 #if defined(MSDOS) || defined(MSWIN) || defined(OS2) || defined(UNIX)
3634 if (src
[1] == '{' && *tail
!= '}')
3636 if (*src
== '%' && *tail
!= '%')
3649 var
= vim_getenv(dst
, &mustfree
);
3650 #if defined(MSDOS) || defined(MSWIN) || defined(OS2) || defined(UNIX)
3654 /* home directory */
3655 else if ( src
[1] == NUL
3656 || vim_ispathsep(src
[1])
3657 || vim_strchr((char_u
*)" ,\t\n", src
[1]) != NULL
)
3662 else /* user directory */
3664 #if defined(UNIX) || (defined(VMS) && defined(USER_HOME))
3666 * Copy ~user to dst[], so we can put a NUL after it.
3673 && vim_isfilec(*tail
)
3674 && !vim_ispathsep(*tail
))
3679 * If the system supports getpwnam(), use it.
3680 * Otherwise, or if getpwnam() fails, the shell is used to
3681 * expand ~user. This is slower and may fail if the shell
3682 * does not support ~user (old versions of /bin/sh).
3684 # if defined(HAVE_GETPWNAM) && defined(HAVE_PWD_H)
3688 /* Note: memory allocated by getpwnam() is never freed.
3689 * Calling endpwent() apparently doesn't help. */
3690 pw
= getpwnam((char *)dst
+ 1);
3692 var
= (char_u
*)pw
->pw_dir
;
3702 xpc
.xp_context
= EXPAND_FILES
;
3703 var
= ExpandOne(&xpc
, dst
, NULL
,
3704 WILD_ADD_SLASH
|WILD_SILENT
, WILD_EXPAND_FREE
);
3708 # else /* !UNIX, thus VMS */
3710 * USER_HOME is a comma-separated list of
3711 * directories to search for the user account in.
3714 char_u test
[MAXPATHL
], paths
[MAXPATHL
];
3715 char_u
*path
, *next_path
, *ptr
;
3718 STRCPY(paths
, USER_HOME
);
3722 for (path
= next_path
; *next_path
&& *next_path
!= ',';
3728 STRCAT(test
, dst
+ 1);
3729 if (mch_stat(test
, &st
) == 0)
3731 var
= alloc(STRLEN(test
) + 1);
3740 /* cannot expand user's home directory, so don't try */
3742 tail
= (char_u
*)""; /* for gcc */
3743 #endif /* UNIX || VMS */
3746 #ifdef BACKSLASH_IN_FILENAME
3747 /* If 'shellslash' is set change backslashes to forward slashes.
3748 * Can't use slash_adjust(), p_ssl may be set temporarily. */
3749 if (p_ssl
&& var
!= NULL
&& vim_strchr(var
, '\\') != NULL
)
3751 char_u
*p
= vim_strsave(var
);
3764 /* If "var" contains white space, escape it with a backslash.
3765 * Required for ":e ~/tt" when $HOME includes a space. */
3766 if (esc
&& var
!= NULL
&& vim_strpbrk(var
, (char_u
*)" \t") != NULL
)
3768 char_u
*p
= vim_strsave_escaped(var
, (char_u
*)" \t");
3779 if (var
!= NULL
&& *var
!= NUL
3780 && (STRLEN(var
) + STRLEN(tail
) + 1 < (unsigned)dstlen
))
3783 dstlen
-= (int)STRLEN(var
);
3784 c
= (int)STRLEN(var
);
3785 /* if var[] ends in a path separator and tail[] starts
3786 * with it, skip a character */
3787 if (*var
!= NUL
&& after_pathsep(dst
, dst
+ c
)
3788 #if defined(BACKSLASH_IN_FILENAME) || defined(AMIGA)
3791 && vim_ispathsep(*tail
))
3801 if (copy_char
) /* copy at least one char */
3804 * Recognize the start of a new name, for '~'.
3805 * Don't do this when "one" is TRUE, to avoid expanding "~" in
3806 * ":edit foo ~ foo".
3809 if (src
[0] == '\\' && src
[1] != NUL
)
3814 else if ((src
[0] == ' ' || src
[0] == ',') && !one
)
3819 if (startstr
!= NULL
&& src
- startstr_len
>= srcp
3820 && STRNCMP(src
- startstr_len
, startstr
, startstr_len
) == 0)
3828 * Vim's version of getenv().
3829 * Special handling of $HOME, $VIM and $VIMRUNTIME.
3830 * Also does ACP to 'enc' conversion for Win32.
3833 vim_getenv(name
, mustfree
)
3835 int *mustfree
; /* set to TRUE when returned is allocated */
3841 #if defined(OS2) || defined(MSDOS) || defined(MSWIN)
3842 /* use "C:/" when $HOME is not set */
3843 if (STRCMP(name
, "HOME") == 0)
3847 p
= mch_getenv(name
);
3848 if (p
!= NULL
&& *p
== NUL
) /* empty is the same as not set */
3853 #if defined(FEAT_MBYTE) && defined(WIN3264)
3859 /* Convert from active codepage to UTF-8. Other conversions are
3860 * not done, because they would fail for non-ASCII characters. */
3861 acp_to_enc(p
, (int)STRLEN(p
), &pp
, &len
);
3872 vimruntime
= (STRCMP(name
, "VIMRUNTIME") == 0);
3873 if (!vimruntime
&& STRCMP(name
, "VIM") != 0)
3877 * When expanding $VIMRUNTIME fails, try using $VIM/vim<version> or $VIM.
3878 * Don't do this when default_vimruntime_dir is non-empty.
3882 && *default_vimruntime_dir
== NUL
3886 p
= mch_getenv((char_u
*)"VIM");
3887 if (p
!= NULL
&& *p
== NUL
) /* empty is the same as not set */
3891 p
= vim_version_dir(p
);
3895 p
= mch_getenv((char_u
*)"VIM");
3897 #if defined(FEAT_MBYTE) && defined(WIN3264)
3903 /* Convert from active codepage to UTF-8. Other conversions
3904 * are not done, because they would fail for non-ASCII
3906 acp_to_enc(p
, (int)STRLEN(p
), &pp
, &len
);
3920 * When expanding $VIM or $VIMRUNTIME fails, try using:
3921 * - the directory name from 'helpfile' (unless it contains '$')
3922 * - the executable name from argv[0]
3926 if (p_hf
!= NULL
&& vim_strchr(p_hf
, '$') == NULL
)
3930 * Use the name of the executable, obtained from argv[0].
3937 /* remove the file name */
3940 /* remove "doc/" from 'helpfile', if present */
3942 pend
= remove_tail(p
, pend
, (char_u
*)"doc");
3946 /* remove "MacOS" from exe_name and add "Resources/vim" */
3952 pend1
= remove_tail(p
, pend
, (char_u
*)"MacOS");
3955 pnew
= alloc((unsigned)(pend1
- p
) + 15);
3958 STRNCPY(pnew
, p
, (pend1
- p
));
3959 STRCPY(pnew
+ (pend1
- p
), "Resources/vim");
3961 pend
= p
+ STRLEN(p
);
3966 /* remove "src/" from exe_name, if present */
3968 pend
= remove_tail(p
, pend
, (char_u
*)"src");
3971 /* for $VIM, remove "runtime/" or "vim54/", if present */
3974 pend
= remove_tail(p
, pend
, (char_u
*)RUNTIME_DIRNAME
);
3975 pend
= remove_tail(p
, pend
, (char_u
*)VIM_VERSION_NODOT
);
3978 /* remove trailing path separator */
3979 #ifndef MACOS_CLASSIC
3980 /* With MacOS path (with colons) the final colon is required */
3981 /* to avoid confusion between absoulute and relative path */
3982 if (pend
> p
&& after_pathsep(p
, pend
))
3987 if (p
== exe_name
|| p
== p_hf
)
3989 /* check that the result is a directory name */
3990 p
= vim_strnsave(p
, (int)(pend
- p
));
3992 if (p
!= NULL
&& !mch_isdir(p
))
4000 /* may add "/vim54" or "/runtime" if it exists */
4001 if (vimruntime
&& (pend
= vim_version_dir(p
)) != NULL
)
4013 /* When there is a pathdef.c file we can use default_vim_dir and
4014 * default_vimruntime_dir */
4017 /* Only use default_vimruntime_dir when it is not empty */
4018 if (vimruntime
&& *default_vimruntime_dir
!= NUL
)
4020 p
= default_vimruntime_dir
;
4023 else if (*default_vim_dir
!= NUL
)
4025 if (vimruntime
&& (p
= vim_version_dir(default_vim_dir
)) != NULL
)
4029 p
= default_vim_dir
;
4037 * Set the environment variable, so that the new value can be found fast
4038 * next time, and others can also use it (e.g. Perl).
4044 vim_setenv((char_u
*)"VIMRUNTIME", p
);
4045 didset_vimruntime
= TRUE
;
4048 char_u
*buf
= concat_str(p
, (char_u
*)"/lang");
4052 bindtextdomain(VIMPACKAGE
, (char *)buf
);
4060 vim_setenv((char_u
*)"VIM", p
);
4068 * Check if the directory "vimdir/<version>" or "vimdir/runtime" exists.
4069 * Return NULL if not, return its name in allocated memory otherwise.
4072 vim_version_dir(vimdir
)
4077 if (vimdir
== NULL
|| *vimdir
== NUL
)
4079 p
= concat_fnames(vimdir
, (char_u
*)VIM_VERSION_NODOT
, TRUE
);
4080 if (p
!= NULL
&& mch_isdir(p
))
4083 p
= concat_fnames(vimdir
, (char_u
*)RUNTIME_DIRNAME
, TRUE
);
4084 if (p
!= NULL
&& mch_isdir(p
))
4091 * If the string between "p" and "pend" ends in "name/", return "pend" minus
4092 * the length of "name/". Otherwise return "pend".
4095 remove_tail(p
, pend
, name
)
4100 int len
= (int)STRLEN(name
) + 1;
4101 char_u
*newend
= pend
- len
;
4104 && fnamencmp(newend
, name
, len
- 1) == 0
4105 && (newend
== p
|| after_pathsep(p
, newend
)))
4111 * Our portable version of setenv.
4114 vim_setenv(name
, val
)
4119 mch_setenv((char *)name
, (char *)val
, 1);
4124 * Putenv does not copy the string, it has to remain
4125 * valid. The allocated memory will never be freed.
4127 envbuf
= alloc((unsigned)(STRLEN(name
) + STRLEN(val
) + 2));
4130 sprintf((char *)envbuf
, "%s=%s", name
, val
);
4131 putenv((char *)envbuf
);
4136 #if defined(FEAT_CMDL_COMPL) || defined(PROTO)
4138 * Function given to ExpandGeneric() to obtain an environment variable name.
4142 get_env_name(xp
, idx
)
4146 # if defined(AMIGA) || defined(__MRC__) || defined(__SC__)
4148 * No environ[] on the Amiga and on the Mac (using MPW).
4153 /* Borland C++ 5.2 has this in a header file. */
4154 extern char **environ
;
4156 # define ENVNAMELEN 100
4157 static char_u name
[ENVNAMELEN
];
4161 str
= (char_u
*)environ
[idx
];
4165 for (n
= 0; n
< ENVNAMELEN
- 1; ++n
)
4167 if (str
[n
] == '=' || str
[n
] == NUL
)
4178 * Replace home directory by "~" in each space or comma separated file name in
4180 * If anything fails (except when out of space) dst equals src.
4183 home_replace(buf
, src
, dst
, dstlen
, one
)
4184 buf_T
*buf
; /* when not NULL, check for help files */
4185 char_u
*src
; /* input file name */
4186 char_u
*dst
; /* where to put the result */
4187 int dstlen
; /* maximum length of the result */
4188 int one
; /* if TRUE, only replace one file name, include
4189 spaces and commas in the file name. */
4191 size_t dirlen
= 0, envlen
= 0;
4193 char_u
*homedir_env
;
4203 * If the file is a help file, remove the path completely.
4205 if (buf
!= NULL
&& buf
->b_help
)
4207 STRCPY(dst
, gettail(src
));
4212 * We check both the value of the $HOME environment variable and the
4213 * "real" home directory.
4215 if (homedir
!= NULL
)
4216 dirlen
= STRLEN(homedir
);
4219 homedir_env
= mch_getenv((char_u
*)"SYS$LOGIN");
4221 homedir_env
= mch_getenv((char_u
*)"HOME");
4224 if (homedir_env
!= NULL
&& *homedir_env
== NUL
)
4226 if (homedir_env
!= NULL
)
4227 envlen
= STRLEN(homedir_env
);
4230 src
= skipwhite(src
);
4231 while (*src
&& dstlen
> 0)
4234 * Here we are at the beginning of a file name.
4235 * First, check to see if the beginning of the file name matches
4236 * $HOME or the "real" home directory. Check that there is a '/'
4237 * after the match (so that if e.g. the file is "/home/pieter/bla",
4238 * and the home directory is "/home/piet", the file does not end up
4239 * as "~er/bla" (which would seem to indicate the file "bla" in user
4240 * er's home directory)).
4247 && fnamencmp(src
, p
, len
) == 0
4248 && (vim_ispathsep(src
[len
])
4249 || (!one
&& (src
[len
] == ',' || src
[len
] == ' '))
4250 || src
[len
] == NUL
))
4257 * If it's just the home directory, add "/".
4259 if (!vim_ispathsep(src
[0]) && --dstlen
> 0)
4263 if (p
== homedir_env
)
4269 /* if (!one) skip to separator: space or comma */
4270 while (*src
&& (one
|| (*src
!= ',' && *src
!= ' ')) && --dstlen
> 0)
4272 /* skip separator */
4273 while ((*src
== ' ' || *src
== ',') && --dstlen
> 0)
4276 /* if (dstlen == 0) out of space, what to do??? */
4282 * Like home_replace, store the replaced string in allocated memory.
4283 * When something fails, NULL is returned.
4286 home_replace_save(buf
, src
)
4287 buf_T
*buf
; /* when not NULL, check for help files */
4288 char_u
*src
; /* input file name */
4293 len
= 3; /* space for "~/" and trailing NUL */
4294 if (src
!= NULL
) /* just in case */
4295 len
+= (unsigned)STRLEN(src
);
4298 home_replace(buf
, src
, dst
, len
, TRUE
);
4303 * Compare two file names and return:
4304 * FPC_SAME if they both exist and are the same file.
4305 * FPC_SAMEX if they both don't exist and have the same file name.
4306 * FPC_DIFF if they both exist and are different files.
4307 * FPC_NOTX if they both don't exist.
4308 * FPC_DIFFX if one of them doesn't exist.
4309 * For the first name environment variables are expanded
4312 fullpathcmp(s1
, s2
, checkname
)
4314 int checkname
; /* when both don't exist, check file names */
4317 char_u exp1
[MAXPATHL
];
4318 char_u full1
[MAXPATHL
];
4319 char_u full2
[MAXPATHL
];
4320 struct stat st1
, st2
;
4323 expand_env(s1
, exp1
, MAXPATHL
);
4324 r1
= mch_stat((char *)exp1
, &st1
);
4325 r2
= mch_stat((char *)s2
, &st2
);
4326 if (r1
!= 0 && r2
!= 0)
4328 /* if mch_stat() doesn't work, may compare the names */
4331 if (fnamecmp(exp1
, s2
) == 0)
4333 r1
= vim_FullName(exp1
, full1
, MAXPATHL
, FALSE
);
4334 r2
= vim_FullName(s2
, full2
, MAXPATHL
, FALSE
);
4335 if (r1
== OK
&& r2
== OK
&& fnamecmp(full1
, full2
) == 0)
4340 if (r1
!= 0 || r2
!= 0)
4342 if (st1
.st_dev
== st2
.st_dev
&& st1
.st_ino
== st2
.st_ino
)
4346 char_u
*exp1
; /* expanded s1 */
4347 char_u
*full1
; /* full path of s1 */
4348 char_u
*full2
; /* full path of s2 */
4349 int retval
= FPC_DIFF
;
4352 /* allocate one buffer to store three paths (alloc()/free() is slow!) */
4353 if ((exp1
= alloc(MAXPATHL
* 3)) != NULL
)
4355 full1
= exp1
+ MAXPATHL
;
4356 full2
= full1
+ MAXPATHL
;
4358 expand_env(s1
, exp1
, MAXPATHL
);
4359 r1
= vim_FullName(exp1
, full1
, MAXPATHL
, FALSE
);
4360 r2
= vim_FullName(s2
, full2
, MAXPATHL
, FALSE
);
4362 /* If vim_FullName() fails, the file probably doesn't exist. */
4363 if (r1
!= OK
&& r2
!= OK
)
4365 if (checkname
&& fnamecmp(exp1
, s2
) == 0)
4370 else if (r1
!= OK
|| r2
!= OK
)
4372 else if (fnamecmp(full1
, full2
))
4383 * Get the tail of a path: the file name.
4384 * Fail safe: never returns NULL.
4393 return (char_u
*)"";
4394 for (p1
= p2
= fname
; *p2
; ) /* find last part of path */
4396 if (vim_ispathsep(*p2
))
4404 * Get pointer to tail of "fname", including path separators. Putting a NUL
4405 * here leaves the directory name. Takes care of "c:/" and "//".
4406 * Always returns a valid pointer.
4415 p
= get_past_head(fname
); /* don't remove the '/' from "c:/file" */
4417 while (t
> p
&& after_pathsep(fname
, t
))
4420 /* path separator is part of the path */
4427 * get the next path component (just after the next path separator).
4433 while (*fname
&& !vim_ispathsep(*fname
))
4441 * Get a pointer to one character past the head of a path name.
4442 * Unix: after "/"; DOS: after "c:\"; Amiga: after "disk:/"; Mac: no head.
4443 * If there is no head, path is returned.
4451 #if defined(MSDOS) || defined(MSWIN) || defined(OS2)
4453 if (isalpha(path
[0]) && path
[1] == ':')
4459 /* may skip "label:" */
4460 retval
= vim_strchr(path
, ':');
4468 while (vim_ispathsep(*retval
))
4475 * return TRUE if 'c' is a path separator.
4482 return (c
== '.' || c
== ':');
4485 return (c
== '/'); /* UNIX has ':' inside file names */
4487 # ifdef BACKSLASH_IN_FILENAME
4488 return (c
== ':' || c
== '/' || c
== '\\');
4491 /* server"user passwd"::device:[full.path.name]fname.extension;version" */
4492 return (c
== ':' || c
== '[' || c
== ']' || c
== '/'
4493 || c
== '<' || c
== '>' || c
== '"' );
4495 return (c
== ':' || c
== '/');
4499 #endif /* RISC OS */
4502 #if defined(FEAT_SEARCHPATH) || defined(PROTO)
4504 * return TRUE if 'c' is a path list separator.
4507 vim_ispathlistsep(c
)
4513 return (c
== ';'); /* might not be right for every system... */
4518 #if defined(FEAT_GUI_TABLINE) || defined(FEAT_WINDOWS) \
4519 || defined(FEAT_EVAL) || defined(PROTO)
4521 * Shorten the path of a file from "~/foo/../.bar/fname" to "~/f/../.b/fname"
4522 * It's done in-place.
4528 char_u
*tail
, *s
, *d
;
4531 tail
= gettail(str
);
4533 for (s
= str
; ; ++s
)
4535 if (s
>= tail
) /* copy the whole tail */
4541 else if (vim_ispathsep(*s
)) /* copy '/' and next char */
4548 *d
++ = *s
; /* copy next char */
4549 if (*s
!= '~' && *s
!= '.') /* and leading "~" and "." */
4554 int l
= mb_ptr2len(s
);
4566 * Return TRUE if the directory of "fname" exists, FALSE otherwise.
4567 * Also returns TRUE if there is no directory name.
4568 * "fname" must be writable!.
4571 dir_of_file_exists(fname
)
4578 p
= gettail_sep(fname
);
4583 retval
= mch_isdir(fname
);
4588 #if (defined(CASE_INSENSITIVE_FILENAME) && defined(BACKSLASH_IN_FILENAME)) \
4591 * Versions of fnamecmp() and fnamencmp() that handle '/' and '\' equally.
4597 return vim_fnamencmp(x
, y
, MAXPATHL
);
4601 vim_fnamencmp(x
, y
, len
)
4605 while (len
> 0 && *x
&& *y
)
4607 if (TOLOWER_LOC(*x
) != TOLOWER_LOC(*y
)
4608 && !(*x
== '/' && *y
== '\\')
4609 && !(*x
== '\\' && *y
== '/'))
4622 * Concatenate file names fname1 and fname2 into allocated memory.
4623 * Only add a '/' or '\\' when 'sep' is TRUE and it is necessary.
4626 concat_fnames(fname1
, fname2
, sep
)
4633 dest
= alloc((unsigned)(STRLEN(fname1
) + STRLEN(fname2
) + 3));
4636 STRCPY(dest
, fname1
);
4639 STRCAT(dest
, fname2
);
4644 #if defined(FEAT_EVAL) || defined(FEAT_GETTEXT) || defined(PROTO)
4646 * Concatenate two strings and return the result in allocated memory.
4647 * Returns NULL when out of memory.
4650 concat_str(str1
, str2
)
4655 size_t l
= STRLEN(str1
);
4657 dest
= alloc((unsigned)(l
+ STRLEN(str2
) + 1L));
4661 STRCPY(dest
+ l
, str2
);
4668 * Add a path separator to a file name, unless it already ends in a path
4675 if (*p
!= NUL
&& !after_pathsep(p
, p
+ STRLEN(p
)))
4676 STRCAT(p
, PATHSEPSTR
);
4680 * FullName_save - Make an allocated copy of a full file name.
4681 * Returns NULL when out of memory.
4684 FullName_save(fname
, force
)
4686 int force
; /* force expansion, even when it already looks
4687 like a full path name */
4690 char_u
*new_fname
= NULL
;
4695 buf
= alloc((unsigned)MAXPATHL
);
4698 if (vim_FullName(fname
, buf
, MAXPATHL
, force
) != FAIL
)
4699 new_fname
= vim_strsave(buf
);
4701 new_fname
= vim_strsave(fname
);
4707 #if defined(FEAT_CINDENT) || defined(FEAT_SYN_HL)
4709 static char_u
*skip_string
__ARGS((char_u
*p
));
4712 * Find the start of a comment, not knowing if we are in a comment right now.
4713 * Search starts at w_cursor.lnum and goes backwards.
4716 find_start_comment(ind_maxcomment
) /* XXX */
4722 int cur_maxcomment
= ind_maxcomment
;
4726 pos
= findmatchlimit(NULL
, '*', FM_BACKWARD
, cur_maxcomment
);
4731 * Check if the comment start we found is inside a string.
4732 * If it is then restrict the search to below this line and try again.
4734 line
= ml_get(pos
->lnum
);
4735 for (p
= line
; *p
&& (unsigned)(p
- line
) < pos
->col
; ++p
)
4737 if ((unsigned)(p
- line
) <= pos
->col
)
4739 cur_maxcomment
= curwin
->w_cursor
.lnum
- pos
->lnum
- 1;
4740 if (cur_maxcomment
<= 0)
4750 * Skip to the end of a "string" and a 'c' character.
4751 * If there is no string or character, return argument unmodified.
4760 * We loop, because strings may be concatenated: "date""time".
4764 if (p
[0] == '\'') /* 'c' or '\n' or '\000' */
4766 if (!p
[1]) /* ' at end of line */
4769 if (p
[1] == '\\') /* '\n' or '\000' */
4772 while (vim_isdigit(p
[i
- 1])) /* '\000' */
4775 if (p
[i
] == '\'') /* check for trailing ' */
4781 else if (p
[0] == '"') /* start of string */
4783 for (++p
; p
[0]; ++p
)
4785 if (p
[0] == '\\' && p
[1] != NUL
)
4787 else if (p
[0] == '"') /* end of string */
4793 break; /* no string found */
4796 --p
; /* backup from NUL */
4799 #endif /* FEAT_CINDENT || FEAT_SYN_HL */
4801 #if defined(FEAT_CINDENT) || defined(PROTO)
4804 * Do C or expression indenting on the current line.
4810 if (*curbuf
->b_p_inde
!= NUL
)
4811 fixthisline(get_expr_indent
);
4814 fixthisline(get_c_indent
);
4818 * Functions for C-indenting.
4819 * Most of this originally comes from Eric Fischer.
4822 * Below "XXX" means that this function may unlock the current line.
4825 static char_u
*cin_skipcomment
__ARGS((char_u
*));
4826 static int cin_nocode
__ARGS((char_u
*));
4827 static pos_T
*find_line_comment
__ARGS((void));
4828 static int cin_islabel_skip
__ARGS((char_u
**));
4829 static int cin_isdefault
__ARGS((char_u
*));
4830 static char_u
*after_label
__ARGS((char_u
*l
));
4831 static int get_indent_nolabel
__ARGS((linenr_T lnum
));
4832 static int skip_label
__ARGS((linenr_T
, char_u
**pp
, int ind_maxcomment
));
4833 static int cin_first_id_amount
__ARGS((void));
4834 static int cin_get_equal_amount
__ARGS((linenr_T lnum
));
4835 static int cin_ispreproc
__ARGS((char_u
*));
4836 static int cin_ispreproc_cont
__ARGS((char_u
**pp
, linenr_T
*lnump
));
4837 static int cin_iscomment
__ARGS((char_u
*));
4838 static int cin_islinecomment
__ARGS((char_u
*));
4839 static int cin_isterminated
__ARGS((char_u
*, int, int));
4840 static int cin_isinit
__ARGS((void));
4841 static int cin_isfuncdecl
__ARGS((char_u
**, linenr_T
));
4842 static int cin_isif
__ARGS((char_u
*));
4843 static int cin_iselse
__ARGS((char_u
*));
4844 static int cin_isdo
__ARGS((char_u
*));
4845 static int cin_iswhileofdo
__ARGS((char_u
*, linenr_T
, int));
4846 static int cin_iswhileofdo_end
__ARGS((int terminated
, int ind_maxparen
, int ind_maxcomment
));
4847 static int cin_isbreak
__ARGS((char_u
*));
4848 static int cin_is_cpp_baseclass
__ARGS((colnr_T
*col
));
4849 static int get_baseclass_amount
__ARGS((int col
, int ind_maxparen
, int ind_maxcomment
, int ind_cpp_baseclass
));
4850 static int cin_ends_in
__ARGS((char_u
*, char_u
*, char_u
*));
4851 static int cin_skip2pos
__ARGS((pos_T
*trypos
));
4852 static pos_T
*find_start_brace
__ARGS((int));
4853 static pos_T
*find_match_paren
__ARGS((int, int));
4854 static int corr_ind_maxparen
__ARGS((int ind_maxparen
, pos_T
*startpos
));
4855 static int find_last_paren
__ARGS((char_u
*l
, int start
, int end
));
4856 static int find_match
__ARGS((int lookfor
, linenr_T ourscope
, int ind_maxparen
, int ind_maxcomment
));
4858 static int ind_hash_comment
= 0; /* # starts a comment */
4861 * Skip over white space and C comments within the line.
4862 * Also skip over Perl/shell comments if desired.
4874 /* Perl/shell # comment comment continues until eol. Require a space
4875 * before # to avoid recognizing $#array. */
4876 if (ind_hash_comment
!= 0 && s
!= prev_s
&& *s
== '#')
4884 if (*s
== '/') /* slash-slash comment continues till eol */
4891 for (++s
; *s
; ++s
) /* skip slash-star comment */
4892 if (s
[0] == '*' && s
[1] == '/')
4902 * Return TRUE if there there is no code at *s. White space and comments are
4903 * not considered code.
4909 return *cin_skipcomment(s
) == NUL
;
4913 * Check previous lines for a "//" line comment, skipping over blank lines.
4916 find_line_comment() /* XXX */
4922 pos
= curwin
->w_cursor
;
4923 while (--pos
.lnum
> 0)
4925 line
= ml_get(pos
.lnum
);
4926 p
= skipwhite(line
);
4927 if (cin_islinecomment(p
))
4929 pos
.col
= (int)(p
- line
);
4939 * Check if string matches "label:"; move to character after ':' if true.
4945 if (!vim_isIDc(**s
)) /* need at least one ID character */
4948 while (vim_isIDc(**s
))
4951 *s
= cin_skipcomment(*s
);
4953 /* "::" is not a label, it's C++ */
4954 return (**s
== ':' && *++*s
!= ':');
4958 * Recognize a label: "label:".
4959 * Note: curwin->w_cursor must be where we are looking for the label.
4962 cin_islabel(ind_maxcomment
) /* XXX */
4967 s
= cin_skipcomment(ml_get_curline());
4970 * Exclude "default" from labels, since it should be indented
4971 * like a switch label. Same for C++ scope declarations.
4973 if (cin_isdefault(s
))
4975 if (cin_isscopedecl(s
))
4978 if (cin_islabel_skip(&s
))
4981 * Only accept a label if the previous line is terminated or is a case
4988 cursor_save
= curwin
->w_cursor
;
4989 while (curwin
->w_cursor
.lnum
> 1)
4991 --curwin
->w_cursor
.lnum
;
4994 * If we're in a comment now, skip to the start of the comment.
4996 curwin
->w_cursor
.col
= 0;
4997 if ((trypos
= find_start_comment(ind_maxcomment
)) != NULL
) /* XXX */
4998 curwin
->w_cursor
= *trypos
;
5000 line
= ml_get_curline();
5001 if (cin_ispreproc(line
)) /* ignore #defines, #if, etc. */
5003 if (*(line
= cin_skipcomment(line
)) == NUL
)
5006 curwin
->w_cursor
= cursor_save
;
5007 if (cin_isterminated(line
, TRUE
, FALSE
)
5008 || cin_isscopedecl(line
)
5010 || (cin_islabel_skip(&line
) && cin_nocode(line
)))
5014 curwin
->w_cursor
= cursor_save
;
5015 return TRUE
; /* label at start of file??? */
5021 * Recognize structure initialization and enumerations.
5022 * Q&D-Implementation:
5023 * check for "=" at end or "[typedef] enum" at beginning of line.
5030 s
= cin_skipcomment(ml_get_curline());
5032 if (STRNCMP(s
, "typedef", 7) == 0 && !vim_isIDc(s
[7]))
5033 s
= cin_skipcomment(s
+ 7);
5035 if (STRNCMP(s
, "enum", 4) == 0 && !vim_isIDc(s
[4]))
5038 if (cin_ends_in(s
, (char_u
*)"=", (char_u
*)"{"))
5045 * Recognize a switch label: "case .*:" or "default:".
5051 s
= cin_skipcomment(s
);
5052 if (STRNCMP(s
, "case", 4) == 0 && !vim_isIDc(s
[4]))
5054 for (s
+= 4; *s
; ++s
)
5056 s
= cin_skipcomment(s
);
5059 if (s
[1] == ':') /* skip over "::" for C++ */
5064 if (*s
== '\'' && s
[1] && s
[2] == '\'')
5065 s
+= 2; /* skip over '.' */
5066 else if (*s
== '/' && (s
[1] == '*' || s
[1] == '/'))
5067 return FALSE
; /* stop at comment */
5069 return FALSE
; /* stop at string */
5074 if (cin_isdefault(s
))
5080 * Recognize a "default" switch label.
5086 return (STRNCMP(s
, "default", 7) == 0
5087 && *(s
= cin_skipcomment(s
+ 7)) == ':'
5092 * Recognize a "public/private/proctected" scope declaration label.
5100 s
= cin_skipcomment(s
);
5101 if (STRNCMP(s
, "public", 6) == 0)
5103 else if (STRNCMP(s
, "protected", 9) == 0)
5105 else if (STRNCMP(s
, "private", 7) == 0)
5109 return (*(s
= cin_skipcomment(s
+ i
)) == ':' && s
[1] != ':');
5113 * Return a pointer to the first non-empty non-comment character after a ':'.
5114 * Return NULL if not found.
5126 if (l
[1] == ':') /* skip over "::" for C++ */
5128 else if (!cin_iscase(l
+ 1))
5131 else if (*l
== '\'' && l
[1] && l
[2] == '\'')
5132 l
+= 2; /* skip over 'x' */
5136 l
= cin_skipcomment(l
+ 1);
5143 * Get indent of line "lnum", skipping a label.
5144 * Return 0 if there is nothing after the label.
5147 get_indent_nolabel(lnum
) /* XXX */
5160 fp
.col
= (colnr_T
)(p
- l
);
5162 getvcol(curwin
, &fp
, &col
, NULL
, NULL
);
5167 * Find indent for line "lnum", ignoring any case or jump label.
5168 * Also return a pointer to the text (after the label) in "pp".
5169 * label: if (asdf && asdfasdf)
5173 skip_label(lnum
, pp
, ind_maxcomment
)
5182 cursor_save
= curwin
->w_cursor
;
5183 curwin
->w_cursor
.lnum
= lnum
;
5184 l
= ml_get_curline();
5186 if (cin_iscase(l
) || cin_isscopedecl(l
) || cin_islabel(ind_maxcomment
))
5188 amount
= get_indent_nolabel(lnum
);
5189 l
= after_label(ml_get_curline());
5190 if (l
== NULL
) /* just in case */
5191 l
= ml_get_curline();
5195 amount
= get_indent();
5196 l
= ml_get_curline();
5200 curwin
->w_cursor
= cursor_save
;
5205 * Return the indent of the first variable name after a type in a declaration.
5206 * int a, indent of "a"
5207 * static struct foo b, indent of "b"
5208 * enum bla c, indent of "c"
5209 * Returns zero when it doesn't look like a declaration.
5212 cin_first_id_amount()
5214 char_u
*line
, *p
, *s
;
5219 line
= ml_get_curline();
5220 p
= skipwhite(line
);
5221 len
= (int)(skiptowhite(p
) - p
);
5222 if (len
== 6 && STRNCMP(p
, "static", 6) == 0)
5224 p
= skipwhite(p
+ 6);
5225 len
= (int)(skiptowhite(p
) - p
);
5227 if (len
== 6 && STRNCMP(p
, "struct", 6) == 0)
5228 p
= skipwhite(p
+ 6);
5229 else if (len
== 4 && STRNCMP(p
, "enum", 4) == 0)
5230 p
= skipwhite(p
+ 4);
5231 else if ((len
== 8 && STRNCMP(p
, "unsigned", 8) == 0)
5232 || (len
== 6 && STRNCMP(p
, "signed", 6) == 0))
5234 s
= skipwhite(p
+ len
);
5235 if ((STRNCMP(s
, "int", 3) == 0 && vim_iswhite(s
[3]))
5236 || (STRNCMP(s
, "long", 4) == 0 && vim_iswhite(s
[4]))
5237 || (STRNCMP(s
, "short", 5) == 0 && vim_iswhite(s
[5]))
5238 || (STRNCMP(s
, "char", 4) == 0 && vim_iswhite(s
[4])))
5241 for (len
= 0; vim_isIDc(p
[len
]); ++len
)
5243 if (len
== 0 || !vim_iswhite(p
[len
]) || cin_nocode(p
))
5246 p
= skipwhite(p
+ len
);
5247 fp
.lnum
= curwin
->w_cursor
.lnum
;
5248 fp
.col
= (colnr_T
)(p
- line
);
5249 getvcol(curwin
, &fp
, &col
, NULL
, NULL
);
5254 * Return the indent of the first non-blank after an equal sign.
5255 * char *foo = "here";
5256 * Return zero if no (useful) equal sign found.
5257 * Return -1 if the line above "lnum" ends in a backslash.
5263 cin_get_equal_amount(lnum
)
5273 line
= ml_get(lnum
- 1);
5274 if (*line
!= NUL
&& line
[STRLEN(line
) - 1] == '\\')
5278 line
= s
= ml_get(lnum
);
5279 while (*s
!= NUL
&& vim_strchr((char_u
*)"=;{}\"'", *s
) == NULL
)
5281 if (cin_iscomment(s
)) /* ignore comments */
5282 s
= cin_skipcomment(s
);
5289 s
= skipwhite(s
+ 1);
5293 if (*s
== '"') /* nice alignment for continued strings */
5297 fp
.col
= (colnr_T
)(s
- line
);
5298 getvcol(curwin
, &fp
, &col
, NULL
, NULL
);
5303 * Recognize a preprocessor statement: Any line that starts with '#'.
5316 * Return TRUE if line "*pp" at "*lnump" is a preprocessor statement or a
5317 * continuation line of a preprocessor statement. Decrease "*lnump" to the
5318 * start and return the line in "*pp".
5321 cin_ispreproc_cont(pp
, lnump
)
5326 linenr_T lnum
= *lnump
;
5331 if (cin_ispreproc(line
))
5339 line
= ml_get(--lnum
);
5340 if (*line
== NUL
|| line
[STRLEN(line
) - 1] != '\\')
5345 *pp
= ml_get(*lnump
);
5350 * Recognize the start of a C or C++ comment.
5356 return (p
[0] == '/' && (p
[1] == '*' || p
[1] == '/'));
5360 * Recognize the start of a "//" comment.
5363 cin_islinecomment(p
)
5366 return (p
[0] == '/' && p
[1] == '/');
5370 * Recognize a line that starts with '{' or '}', or ends with ';', '{' or '}'.
5371 * Don't consider "} else" a terminated line.
5372 * Return the character terminating the line (ending char's have precedence if
5373 * both apply in order to determine initializations).
5376 cin_isterminated(s
, incl_open
, incl_comma
)
5378 int incl_open
; /* include '{' at the end as terminator */
5379 int incl_comma
; /* recognize a trailing comma */
5381 char_u found_start
= 0;
5383 s
= cin_skipcomment(s
);
5385 if (*s
== '{' || (*s
== '}' && !cin_iselse(s
)))
5390 /* skip over comments, "" strings and 'c'haracters */
5391 s
= skip_string(cin_skipcomment(s
));
5392 if ((*s
== ';' || (incl_open
&& *s
== '{') || *s
== '}'
5393 || (incl_comma
&& *s
== ','))
5394 && cin_nocode(s
+ 1))
5404 * Recognize the basic picture of a function declaration -- it needs to
5405 * have an open paren somewhere and a close paren at the end of the line and
5406 * no semicolons anywhere.
5407 * When a line ends in a comma we continue looking in the next line.
5408 * "sp" points to a string with the line. When looking at other lines it must
5409 * be restored to the line. When it's NULL fetch lines here.
5410 * "lnum" is where we start looking.
5413 cin_isfuncdecl(sp
, first_lnum
)
5415 linenr_T first_lnum
;
5418 linenr_T lnum
= first_lnum
;
5426 while (*s
&& *s
!= '(' && *s
!= ';' && *s
!= '\'' && *s
!= '"')
5428 if (cin_iscomment(s
)) /* ignore comments */
5429 s
= cin_skipcomment(s
);
5434 return FALSE
; /* ';', ' or " before any () or no '(' */
5436 while (*s
&& *s
!= ';' && *s
!= '\'' && *s
!= '"')
5438 if (*s
== ')' && cin_nocode(s
+ 1))
5440 /* ')' at the end: may have found a match
5441 * Check for he previous line not to end in a backslash:
5442 * #if defined(x) && \
5445 lnum
= first_lnum
- 1;
5447 if (*s
== NUL
|| s
[STRLEN(s
) - 1] != '\\')
5451 if (*s
== ',' && cin_nocode(s
+ 1))
5453 /* ',' at the end: continue looking in the next line */
5454 if (lnum
>= curbuf
->b_ml
.ml_line_count
)
5459 else if (cin_iscomment(s
)) /* ignore comments */
5460 s
= cin_skipcomment(s
);
5466 if (lnum
!= first_lnum
&& sp
!= NULL
)
5467 *sp
= ml_get(first_lnum
);
5476 return (STRNCMP(p
, "if", 2) == 0 && !vim_isIDc(p
[2]));
5483 if (*p
== '}') /* accept "} else" */
5484 p
= cin_skipcomment(p
+ 1);
5485 return (STRNCMP(p
, "else", 4) == 0 && !vim_isIDc(p
[4]));
5492 return (STRNCMP(p
, "do", 2) == 0 && !vim_isIDc(p
[2]));
5496 * Check if this is a "while" that should have a matching "do".
5497 * We only accept a "while (condition) ;", with only white space between the
5498 * ')' and ';'. The condition may be spread over several lines.
5501 cin_iswhileofdo(p
, lnum
, ind_maxparen
) /* XXX */
5510 p
= cin_skipcomment(p
);
5511 if (*p
== '}') /* accept "} while (cond);" */
5512 p
= cin_skipcomment(p
+ 1);
5513 if (STRNCMP(p
, "while", 5) == 0 && !vim_isIDc(p
[5]))
5515 cursor_save
= curwin
->w_cursor
;
5516 curwin
->w_cursor
.lnum
= lnum
;
5517 curwin
->w_cursor
.col
= 0;
5518 p
= ml_get_curline();
5519 while (*p
&& *p
!= 'w') /* skip any '}', until the 'w' of the "while" */
5522 ++curwin
->w_cursor
.col
;
5524 if ((trypos
= findmatchlimit(NULL
, 0, 0, ind_maxparen
)) != NULL
5525 && *cin_skipcomment(ml_get_pos(trypos
) + 1) == ';')
5527 curwin
->w_cursor
= cursor_save
;
5533 * Return TRUE if we are at the end of a do-while.
5538 * Adjust the cursor to the line with "while".
5541 cin_iswhileofdo_end(terminated
, ind_maxparen
, ind_maxcomment
)
5552 if (terminated
!= ';') /* there must be a ';' at the end */
5555 p
= line
= ml_get_curline();
5558 p
= cin_skipcomment(p
);
5561 s
= skipwhite(p
+ 1);
5562 if (*s
== ';' && cin_nocode(s
+ 1))
5564 /* Found ");" at end of the line, now check there is "while"
5565 * before the matching '('. XXX */
5566 i
= (int)(p
- line
);
5567 curwin
->w_cursor
.col
= i
;
5568 trypos
= find_match_paren(ind_maxparen
, ind_maxcomment
);
5571 s
= cin_skipcomment(ml_get(trypos
->lnum
));
5572 if (*s
== '}') /* accept "} while (cond);" */
5573 s
= cin_skipcomment(s
+ 1);
5574 if (STRNCMP(s
, "while", 5) == 0 && !vim_isIDc(s
[5]))
5576 curwin
->w_cursor
.lnum
= trypos
->lnum
;
5581 /* Searching may have made "line" invalid, get it again. */
5582 line
= ml_get_curline();
5596 return (STRNCMP(p
, "break", 5) == 0 && !vim_isIDc(p
[5]));
5600 * Find the position of a C++ base-class declaration or
5601 * constructor-initialization. eg:
5604 * baseClass <-- here
5605 * class MyClass : public baseClass,
5606 * anotherBaseClass <-- here (should probably lineup ??)
5607 * MyClass::MyClass(...) :
5608 * baseClass(...) <-- here (constructor-initialization)
5610 * This is a lot of guessing. Watch out for "cond ? func() : foo".
5613 cin_is_cpp_baseclass(col
)
5614 colnr_T
*col
; /* return: column to align with */
5617 int class_or_struct
, lookfor_ctor_init
, cpp_base_class
;
5618 linenr_T lnum
= curwin
->w_cursor
.lnum
;
5619 char_u
*line
= ml_get_curline();
5623 s
= skipwhite(line
);
5624 if (*s
== '#') /* skip #define FOO x ? (x) : x */
5626 s
= cin_skipcomment(s
);
5630 cpp_base_class
= lookfor_ctor_init
= class_or_struct
= FALSE
;
5632 /* Search for a line starting with '#', empty, ending in ';' or containing
5633 * '{' or '}' and start below it. This handles the following situations:
5640 * Foo::Foo (int one, int two)
5647 line
= ml_get(lnum
- 1);
5648 s
= skipwhite(line
);
5649 if (*s
== '#' || *s
== NUL
)
5653 s
= cin_skipcomment(s
);
5654 if (*s
== '{' || *s
== '}'
5655 || (*s
== ';' && cin_nocode(s
+ 1)))
5665 line
= ml_get(lnum
);
5666 s
= cin_skipcomment(line
);
5671 if (lnum
== curwin
->w_cursor
.lnum
)
5673 /* Continue in the cursor line. */
5674 line
= ml_get(++lnum
);
5675 s
= cin_skipcomment(line
);
5684 /* skip double colon. It can't be a constructor
5685 * initialization any more */
5686 lookfor_ctor_init
= FALSE
;
5687 s
= cin_skipcomment(s
+ 2);
5689 else if (lookfor_ctor_init
|| class_or_struct
)
5691 /* we have something found, that looks like the start of
5692 * cpp-base-class-declaration or contructor-initialization */
5693 cpp_base_class
= TRUE
;
5694 lookfor_ctor_init
= class_or_struct
= FALSE
;
5696 s
= cin_skipcomment(s
+ 1);
5699 s
= cin_skipcomment(s
+ 1);
5701 else if ((STRNCMP(s
, "class", 5) == 0 && !vim_isIDc(s
[5]))
5702 || (STRNCMP(s
, "struct", 6) == 0 && !vim_isIDc(s
[6])))
5704 class_or_struct
= TRUE
;
5705 lookfor_ctor_init
= FALSE
;
5708 s
= cin_skipcomment(s
+ 5);
5710 s
= cin_skipcomment(s
+ 6);
5714 if (s
[0] == '{' || s
[0] == '}' || s
[0] == ';')
5716 cpp_base_class
= lookfor_ctor_init
= class_or_struct
= FALSE
;
5718 else if (s
[0] == ')')
5720 /* Constructor-initialization is assumed if we come across
5721 * something like "):" */
5722 class_or_struct
= FALSE
;
5723 lookfor_ctor_init
= TRUE
;
5725 else if (s
[0] == '?')
5727 /* Avoid seeing '() :' after '?' as constructor init. */
5730 else if (!vim_isIDc(s
[0]))
5732 /* if it is not an identifier, we are wrong */
5733 class_or_struct
= FALSE
;
5734 lookfor_ctor_init
= FALSE
;
5738 /* it can't be a constructor-initialization any more */
5739 lookfor_ctor_init
= FALSE
;
5741 /* the first statement starts here: lineup with this one... */
5743 *col
= (colnr_T
)(s
- line
);
5746 /* When the line ends in a comma don't align with it. */
5747 if (lnum
== curwin
->w_cursor
.lnum
&& *s
== ',' && cin_nocode(s
+ 1))
5750 s
= cin_skipcomment(s
+ 1);
5754 return cpp_base_class
;
5758 get_baseclass_amount(col
, ind_maxparen
, ind_maxcomment
, ind_cpp_baseclass
)
5762 int ind_cpp_baseclass
;
5770 amount
= get_indent();
5771 if (find_last_paren(ml_get_curline(), '(', ')')
5772 && (trypos
= find_match_paren(ind_maxparen
,
5773 ind_maxcomment
)) != NULL
)
5774 amount
= get_indent_lnum(trypos
->lnum
); /* XXX */
5775 if (!cin_ends_in(ml_get_curline(), (char_u
*)",", NULL
))
5776 amount
+= ind_cpp_baseclass
;
5780 curwin
->w_cursor
.col
= col
;
5781 getvcol(curwin
, &curwin
->w_cursor
, &vcol
, NULL
, NULL
);
5784 if (amount
< ind_cpp_baseclass
)
5785 amount
= ind_cpp_baseclass
;
5790 * Return TRUE if string "s" ends with the string "find", possibly followed by
5791 * white space and comments. Skip strings and comments.
5792 * Ignore "ignore" after "find" if it's not NULL.
5795 cin_ends_in(s
, find
, ignore
)
5802 int len
= (int)STRLEN(find
);
5806 p
= cin_skipcomment(p
);
5807 if (STRNCMP(p
, find
, len
) == 0)
5809 r
= skipwhite(p
+ len
);
5810 if (ignore
!= NULL
&& STRNCMP(r
, ignore
, STRLEN(ignore
)) == 0)
5811 r
= skipwhite(r
+ STRLEN(ignore
));
5822 * Skip strings, chars and comments until at or past "trypos".
5823 * Return the column found.
5826 cin_skip2pos(trypos
)
5832 p
= line
= ml_get(trypos
->lnum
);
5833 while (*p
&& (colnr_T
)(p
- line
) < trypos
->col
)
5835 if (cin_iscomment(p
))
5836 p
= cin_skipcomment(p
);
5843 return (int)(p
- line
);
5847 * Find the '{' at the start of the block we are in.
5848 * Return NULL if no match found.
5849 * Ignore a '{' that is in a comment, makes indenting the next three lines
5856 find_start_brace(ind_maxcomment
) /* XXX */
5862 static pos_T pos_copy
;
5864 cursor_save
= curwin
->w_cursor
;
5865 while ((trypos
= findmatchlimit(NULL
, '{', FM_BLOCKSTOP
, 0)) != NULL
)
5867 pos_copy
= *trypos
; /* copy pos_T, next findmatch will change it */
5869 curwin
->w_cursor
= *trypos
;
5871 /* ignore the { if it's in a // or / * * / comment */
5872 if ((colnr_T
)cin_skip2pos(trypos
) == trypos
->col
5873 && (pos
= find_start_comment(ind_maxcomment
)) == NULL
) /* XXX */
5876 curwin
->w_cursor
.lnum
= pos
->lnum
;
5878 curwin
->w_cursor
= cursor_save
;
5883 * Find the matching '(', failing if it is in a comment.
5884 * Return NULL of no match found.
5887 find_match_paren(ind_maxparen
, ind_maxcomment
) /* XXX */
5893 static pos_T pos_copy
;
5895 cursor_save
= curwin
->w_cursor
;
5896 if ((trypos
= findmatchlimit(NULL
, '(', 0, ind_maxparen
)) != NULL
)
5898 /* check if the ( is in a // comment */
5899 if ((colnr_T
)cin_skip2pos(trypos
) > trypos
->col
)
5903 pos_copy
= *trypos
; /* copy trypos, findmatch will change it */
5905 curwin
->w_cursor
= *trypos
;
5906 if (find_start_comment(ind_maxcomment
) != NULL
) /* XXX */
5910 curwin
->w_cursor
= cursor_save
;
5915 * Return ind_maxparen corrected for the difference in line number between the
5916 * cursor position and "startpos". This makes sure that searching for a
5917 * matching paren above the cursor line doesn't find a match because of
5918 * looking a few lines further.
5921 corr_ind_maxparen(ind_maxparen
, startpos
)
5925 long n
= (long)startpos
->lnum
- (long)curwin
->w_cursor
.lnum
;
5927 if (n
> 0 && n
< ind_maxparen
/ 2)
5928 return ind_maxparen
- (int)n
;
5929 return ind_maxparen
;
5933 * Set w_cursor.col to the column number of the last unmatched ')' or '{' in
5937 find_last_paren(l
, start
, end
)
5945 curwin
->w_cursor
.col
= 0; /* default is start of line */
5947 for (i
= 0; l
[i
]; i
++)
5949 i
= (int)(cin_skipcomment(l
+ i
) - l
); /* ignore parens in comments */
5950 i
= (int)(skip_string(l
+ i
) - l
); /* ignore parens in quotes */
5953 else if (l
[i
] == end
)
5959 curwin
->w_cursor
.col
= i
;
5971 * spaces from a block's opening brace the prevailing indent for that
5974 int ind_level
= curbuf
->b_p_sw
;
5977 * spaces from the edge of the line an open brace that's at the end of a
5978 * line is imagined to be.
5980 int ind_open_imag
= 0;
5983 * spaces from the prevailing indent for a line that is not precededof by
5986 int ind_no_brace
= 0;
5989 * column where the first { of a function should be located }
5991 int ind_first_open
= 0;
5994 * spaces from the prevailing indent a leftmost open brace should be
5997 int ind_open_extra
= 0;
6000 * spaces from the matching open brace (real location for one at the left
6001 * edge; imaginary location from one that ends a line) the matching close
6002 * brace should be located
6004 int ind_close_extra
= 0;
6007 * spaces from the edge of the line an open brace sitting in the leftmost
6008 * column is imagined to be
6010 int ind_open_left_imag
= 0;
6013 * spaces from the switch() indent a "case xx" label should be located
6015 int ind_case
= curbuf
->b_p_sw
;
6018 * spaces from the "case xx:" code after a switch() should be located
6020 int ind_case_code
= curbuf
->b_p_sw
;
6023 * lineup break at end of case in switch() with case label
6025 int ind_case_break
= 0;
6028 * spaces from the class declaration indent a scope declaration label
6031 int ind_scopedecl
= curbuf
->b_p_sw
;
6034 * spaces from the scope declaration label code should be located
6036 int ind_scopedecl_code
= curbuf
->b_p_sw
;
6039 * amount K&R-style parameters should be indented
6041 int ind_param
= curbuf
->b_p_sw
;
6044 * amount a function type spec should be indented
6046 int ind_func_type
= curbuf
->b_p_sw
;
6049 * amount a cpp base class declaration or constructor initialization
6050 * should be indented
6052 int ind_cpp_baseclass
= curbuf
->b_p_sw
;
6055 * additional spaces beyond the prevailing indent a continuation line
6058 int ind_continuation
= curbuf
->b_p_sw
;
6061 * spaces from the indent of the line with an unclosed parentheses
6063 int ind_unclosed
= curbuf
->b_p_sw
* 2;
6066 * spaces from the indent of the line with an unclosed parentheses, which
6067 * itself is also unclosed
6069 int ind_unclosed2
= curbuf
->b_p_sw
;
6072 * suppress ignoring spaces from the indent of a line starting with an
6073 * unclosed parentheses.
6075 int ind_unclosed_noignore
= 0;
6078 * If the opening paren is the last nonwhite character on the line, and
6079 * ind_unclosed_wrapped is nonzero, use this indent relative to the outer
6080 * context (for very long lines).
6082 int ind_unclosed_wrapped
= 0;
6085 * suppress ignoring white space when lining up with the character after
6086 * an unclosed parentheses.
6088 int ind_unclosed_whiteok
= 0;
6091 * indent a closing parentheses under the line start of the matching
6092 * opening parentheses.
6094 int ind_matching_paren
= 0;
6097 * indent a closing parentheses under the previous line.
6099 int ind_paren_prev
= 0;
6102 * Extra indent for comments.
6104 int ind_comment
= 0;
6107 * spaces from the comment opener when there is nothing after it.
6109 int ind_in_comment
= 3;
6112 * boolean: if non-zero, use ind_in_comment even if there is something
6113 * after the comment opener.
6115 int ind_in_comment2
= 0;
6118 * max lines to search for an open paren
6120 int ind_maxparen
= 20;
6123 * max lines to search for an open comment
6125 int ind_maxcomment
= 70;
6128 * handle braces for java code
6133 * handle blocked cases correctly
6135 int ind_keep_case_label
= 0;
6140 int cur_amount
= MAXCOL
;
6145 pos_T
*tryposBrace
= NULL
;
6146 pos_T our_paren_pos
;
6149 #define BRACE_IN_COL0 1 /* '{' is in comumn 0 */
6150 #define BRACE_AT_START 2 /* '{' is at start of line */
6151 #define BRACE_AT_END 3 /* '{' is at end of line */
6157 #define LOOKFOR_INITIAL 0
6158 #define LOOKFOR_IF 1
6159 #define LOOKFOR_DO 2
6160 #define LOOKFOR_CASE 3
6161 #define LOOKFOR_ANY 4
6162 #define LOOKFOR_TERM 5
6163 #define LOOKFOR_UNTERM 6
6164 #define LOOKFOR_SCOPEDECL 7
6165 #define LOOKFOR_NOBREAK 8
6166 #define LOOKFOR_CPP_BASECLASS 9
6167 #define LOOKFOR_ENUM_OR_INIT 10
6172 int fraction
= 0; /* init for GCC */
6177 int cont_amount
= 0; /* amount for continuation line */
6179 for (options
= curbuf
->b_p_cino
; *options
; )
6182 if (*options
== '-')
6184 n
= getdigits(&options
);
6186 if (*options
== '.') /* ".5s" means a fraction */
6188 fraction
= atol((char *)++options
);
6189 while (VIM_ISDIGIT(*options
))
6198 if (*options
== 's') /* "2s" means two times 'shiftwidth' */
6200 if (n
== 0 && fraction
== 0)
6201 n
= curbuf
->b_p_sw
; /* just "s" is one 'shiftwidth' */
6204 n
*= curbuf
->b_p_sw
;
6206 n
+= (curbuf
->b_p_sw
* fraction
+ divider
/ 2) / divider
;
6212 /* When adding an entry here, also update the default 'cinoptions' in
6213 * doc/indent.txt, and add explanation for it! */
6216 case '>': ind_level
= n
; break;
6217 case 'e': ind_open_imag
= n
; break;
6218 case 'n': ind_no_brace
= n
; break;
6219 case 'f': ind_first_open
= n
; break;
6220 case '{': ind_open_extra
= n
; break;
6221 case '}': ind_close_extra
= n
; break;
6222 case '^': ind_open_left_imag
= n
; break;
6223 case ':': ind_case
= n
; break;
6224 case '=': ind_case_code
= n
; break;
6225 case 'b': ind_case_break
= n
; break;
6226 case 'p': ind_param
= n
; break;
6227 case 't': ind_func_type
= n
; break;
6228 case '/': ind_comment
= n
; break;
6229 case 'c': ind_in_comment
= n
; break;
6230 case 'C': ind_in_comment2
= n
; break;
6231 case 'i': ind_cpp_baseclass
= n
; break;
6232 case '+': ind_continuation
= n
; break;
6233 case '(': ind_unclosed
= n
; break;
6234 case 'u': ind_unclosed2
= n
; break;
6235 case 'U': ind_unclosed_noignore
= n
; break;
6236 case 'W': ind_unclosed_wrapped
= n
; break;
6237 case 'w': ind_unclosed_whiteok
= n
; break;
6238 case 'm': ind_matching_paren
= n
; break;
6239 case 'M': ind_paren_prev
= n
; break;
6240 case ')': ind_maxparen
= n
; break;
6241 case '*': ind_maxcomment
= n
; break;
6242 case 'g': ind_scopedecl
= n
; break;
6243 case 'h': ind_scopedecl_code
= n
; break;
6244 case 'j': ind_java
= n
; break;
6245 case 'l': ind_keep_case_label
= n
; break;
6246 case '#': ind_hash_comment
= n
; break;
6250 /* remember where the cursor was when we started */
6251 cur_curpos
= curwin
->w_cursor
;
6253 /* Get a copy of the current contents of the line.
6254 * This is required, because only the most recent line obtained with
6255 * ml_get is valid! */
6256 linecopy
= vim_strsave(ml_get(cur_curpos
.lnum
));
6257 if (linecopy
== NULL
)
6261 * In insert mode and the cursor is on a ')' truncate the line at the
6262 * cursor position. We don't want to line up with the matching '(' when
6263 * inserting new stuff.
6264 * For unknown reasons the cursor might be past the end of the line, thus
6267 if ((State
& INSERT
)
6268 && curwin
->w_cursor
.col
< STRLEN(linecopy
)
6269 && linecopy
[curwin
->w_cursor
.col
] == ')')
6270 linecopy
[curwin
->w_cursor
.col
] = NUL
;
6272 theline
= skipwhite(linecopy
);
6274 /* move the cursor to the start of the line */
6276 curwin
->w_cursor
.col
= 0;
6279 * #defines and so on always go at the left when included in 'cinkeys'.
6281 if (*theline
== '#' && (*linecopy
== '#' || in_cinkeys('#', ' ', TRUE
)))
6287 * Is it a non-case label? Then that goes at the left margin too.
6289 else if (cin_islabel(ind_maxcomment
)) /* XXX */
6295 * If we're inside a "//" comment and there is a "//" comment in a
6296 * previous line, lineup with that one.
6298 else if (cin_islinecomment(theline
)
6299 && (trypos
= find_line_comment()) != NULL
) /* XXX */
6301 /* find how indented the line beginning the comment is */
6302 getvcol(curwin
, trypos
, &col
, NULL
, NULL
);
6307 * If we're inside a comment and not looking at the start of the
6308 * comment, try using the 'comments' option.
6310 else if (!cin_iscomment(theline
)
6311 && (trypos
= find_start_comment(ind_maxcomment
)) != NULL
) /* XXX */
6313 int lead_start_len
= 2;
6314 int lead_middle_len
= 1;
6315 char_u lead_start
[COM_MAX_LEN
]; /* start-comment string */
6316 char_u lead_middle
[COM_MAX_LEN
]; /* middle-comment string */
6317 char_u lead_end
[COM_MAX_LEN
]; /* end-comment string */
6319 int start_align
= 0;
6323 /* find how indented the line beginning the comment is */
6324 getvcol(curwin
, trypos
, &col
, NULL
, NULL
);
6327 p
= curbuf
->b_p_com
;
6334 while (*p
!= NUL
&& *p
!= ':')
6336 if (*p
== COM_START
|| *p
== COM_END
|| *p
== COM_MIDDLE
)
6338 else if (*p
== COM_LEFT
|| *p
== COM_RIGHT
)
6340 else if (VIM_ISDIGIT(*p
) || *p
== '-')
6341 off
= getdigits(&p
);
6348 (void)copy_option_part(&p
, lead_end
, COM_MAX_LEN
, ",");
6349 if (what
== COM_START
)
6351 STRCPY(lead_start
, lead_end
);
6352 lead_start_len
= (int)STRLEN(lead_start
);
6354 start_align
= align
;
6356 else if (what
== COM_MIDDLE
)
6358 STRCPY(lead_middle
, lead_end
);
6359 lead_middle_len
= (int)STRLEN(lead_middle
);
6361 else if (what
== COM_END
)
6363 /* If our line starts with the middle comment string, line it
6364 * up with the comment opener per the 'comments' option. */
6365 if (STRNCMP(theline
, lead_middle
, lead_middle_len
) == 0
6366 && STRNCMP(theline
, lead_end
, STRLEN(lead_end
)) != 0)
6369 if (curwin
->w_cursor
.lnum
> 1)
6371 /* If the start comment string matches in the previous
6372 * line, use the indent of that line pluss offset. If
6373 * the middle comment string matches in the previous
6374 * line, use the indent of that line. XXX */
6375 look
= skipwhite(ml_get(curwin
->w_cursor
.lnum
- 1));
6376 if (STRNCMP(look
, lead_start
, lead_start_len
) == 0)
6377 amount
= get_indent_lnum(curwin
->w_cursor
.lnum
- 1);
6378 else if (STRNCMP(look
, lead_middle
,
6379 lead_middle_len
) == 0)
6381 amount
= get_indent_lnum(curwin
->w_cursor
.lnum
- 1);
6384 /* If the start comment string doesn't match with the
6385 * start of the comment, skip this entry. XXX */
6386 else if (STRNCMP(ml_get(trypos
->lnum
) + trypos
->col
,
6387 lead_start
, lead_start_len
) != 0)
6391 amount
+= start_off
;
6392 else if (start_align
== COM_RIGHT
)
6393 amount
+= vim_strsize(lead_start
)
6394 - vim_strsize(lead_middle
);
6398 /* If our line starts with the end comment string, line it up
6399 * with the middle comment */
6400 if (STRNCMP(theline
, lead_middle
, lead_middle_len
) != 0
6401 && STRNCMP(theline
, lead_end
, STRLEN(lead_end
)) == 0)
6403 amount
= get_indent_lnum(curwin
->w_cursor
.lnum
- 1);
6407 else if (align
== COM_RIGHT
)
6408 amount
+= vim_strsize(lead_start
)
6409 - vim_strsize(lead_middle
);
6416 /* If our line starts with an asterisk, line up with the
6417 * asterisk in the comment opener; otherwise, line up
6418 * with the first character of the comment text.
6422 else if (theline
[0] == '*')
6427 * If we are more than one line away from the comment opener, take
6428 * the indent of the previous non-empty line. If 'cino' has "CO"
6429 * and we are just below the comment opener and there are any
6430 * white characters after it line up with the text after it;
6431 * otherwise, add the amount specified by "c" in 'cino'
6434 for (lnum
= cur_curpos
.lnum
- 1; lnum
> trypos
->lnum
; --lnum
)
6436 if (linewhite(lnum
)) /* skip blank lines */
6438 amount
= get_indent_lnum(lnum
); /* XXX */
6441 if (amount
== -1) /* use the comment opener */
6443 if (!ind_in_comment2
)
6445 start
= ml_get(trypos
->lnum
);
6446 look
= start
+ trypos
->col
+ 2; /* skip / and * */
6447 if (*look
!= NUL
) /* if something after it */
6448 trypos
->col
= (colnr_T
)(skipwhite(look
) - start
);
6450 getvcol(curwin
, trypos
, &col
, NULL
, NULL
);
6452 if (ind_in_comment2
|| *look
== NUL
)
6453 amount
+= ind_in_comment
;
6459 * Are we inside parentheses or braces?
6461 else if (((trypos
= find_match_paren(ind_maxparen
, ind_maxcomment
)) != NULL
6463 || (tryposBrace
= find_start_brace(ind_maxcomment
)) != NULL
6466 if (trypos
!= NULL
&& tryposBrace
!= NULL
)
6468 /* Both an unmatched '(' and '{' is found. Use the one which is
6469 * closer to the current cursor position, set the other to NULL. */
6470 if (trypos
->lnum
!= tryposBrace
->lnum
6471 ? trypos
->lnum
< tryposBrace
->lnum
6472 : trypos
->col
< tryposBrace
->col
)
6481 * If the matching paren is more than one line away, use the indent of
6482 * a previous non-empty line that matches the same paren.
6484 if (theline
[0] == ')' && ind_paren_prev
)
6486 /* Line up with the start of the matching paren line. */
6487 amount
= get_indent_lnum(curwin
->w_cursor
.lnum
- 1); /* XXX */
6492 our_paren_pos
= *trypos
;
6493 for (lnum
= cur_curpos
.lnum
- 1; lnum
> our_paren_pos
.lnum
; --lnum
)
6495 l
= skipwhite(ml_get(lnum
));
6496 if (cin_nocode(l
)) /* skip comment lines */
6498 if (cin_ispreproc_cont(&l
, &lnum
))
6499 continue; /* ignore #define, #if, etc. */
6500 curwin
->w_cursor
.lnum
= lnum
;
6502 /* Skip a comment. XXX */
6503 if ((trypos
= find_start_comment(ind_maxcomment
)) != NULL
)
6505 lnum
= trypos
->lnum
+ 1;
6510 if ((trypos
= find_match_paren(
6511 corr_ind_maxparen(ind_maxparen
, &cur_curpos
),
6512 ind_maxcomment
)) != NULL
6513 && trypos
->lnum
== our_paren_pos
.lnum
6514 && trypos
->col
== our_paren_pos
.col
)
6516 amount
= get_indent_lnum(lnum
); /* XXX */
6518 if (theline
[0] == ')')
6520 if (our_paren_pos
.lnum
!= lnum
6521 && cur_amount
> amount
)
6522 cur_amount
= amount
;
6531 * Line up with line where the matching paren is. XXX
6532 * If the line starts with a '(' or the indent for unclosed
6533 * parentheses is zero, line up with the unclosed parentheses.
6537 int ignore_paren_col
= 0;
6539 amount
= skip_label(our_paren_pos
.lnum
, &look
, ind_maxcomment
);
6540 look
= skipwhite(look
);
6543 linenr_T save_lnum
= curwin
->w_cursor
.lnum
;
6547 /* Ignore a '(' in front of the line that has a match before
6548 * our matching '('. */
6549 curwin
->w_cursor
.lnum
= our_paren_pos
.lnum
;
6550 line
= ml_get_curline();
6551 look_col
= (int)(look
- line
);
6552 curwin
->w_cursor
.col
= look_col
+ 1;
6553 if ((trypos
= findmatchlimit(NULL
, ')', 0, ind_maxparen
))
6555 && trypos
->lnum
== our_paren_pos
.lnum
6556 && trypos
->col
< our_paren_pos
.col
)
6557 ignore_paren_col
= trypos
->col
+ 1;
6559 curwin
->w_cursor
.lnum
= save_lnum
;
6560 look
= ml_get(our_paren_pos
.lnum
) + look_col
;
6562 if (theline
[0] == ')' || ind_unclosed
== 0
6563 || (!ind_unclosed_noignore
&& *look
== '('
6564 && ignore_paren_col
== 0))
6567 * If we're looking at a close paren, line up right there;
6568 * otherwise, line up with the next (non-white) character.
6569 * When ind_unclosed_wrapped is set and the matching paren is
6570 * the last nonwhite character of the line, use either the
6571 * indent of the current line or the indentation of the next
6572 * outer paren and add ind_unclosed_wrapped (for very long
6575 if (theline
[0] != ')')
6577 cur_amount
= MAXCOL
;
6578 l
= ml_get(our_paren_pos
.lnum
);
6579 if (ind_unclosed_wrapped
6580 && cin_ends_in(l
, (char_u
*)"(", NULL
))
6582 /* look for opening unmatched paren, indent one level
6583 * for each additional level */
6585 for (col
= 0; col
< our_paren_pos
.col
; ++col
)
6594 case '}': if (n
> 1)
6600 our_paren_pos
.col
= 0;
6601 amount
+= n
* ind_unclosed_wrapped
;
6603 else if (ind_unclosed_whiteok
)
6604 our_paren_pos
.col
++;
6607 col
= our_paren_pos
.col
+ 1;
6608 while (vim_iswhite(l
[col
]))
6610 if (l
[col
] != NUL
) /* In case of trailing space */
6611 our_paren_pos
.col
= col
;
6613 our_paren_pos
.col
++;
6618 * Find how indented the paren is, or the character after it
6619 * if we did the above "if".
6621 if (our_paren_pos
.col
> 0)
6623 getvcol(curwin
, &our_paren_pos
, &col
, NULL
, NULL
);
6624 if (cur_amount
> (int)col
)
6629 if (theline
[0] == ')' && ind_matching_paren
)
6631 /* Line up with the start of the matching paren line. */
6633 else if (ind_unclosed
== 0 || (!ind_unclosed_noignore
6634 && *look
== '(' && ignore_paren_col
== 0))
6636 if (cur_amount
!= MAXCOL
)
6637 amount
= cur_amount
;
6641 /* Add ind_unclosed2 for each '(' before our matching one, but
6642 * ignore (void) before the line (ignore_paren_col). */
6643 col
= our_paren_pos
.col
;
6644 while ((int)our_paren_pos
.col
> ignore_paren_col
)
6646 --our_paren_pos
.col
;
6647 switch (*ml_get_pos(&our_paren_pos
))
6649 case '(': amount
+= ind_unclosed2
;
6650 col
= our_paren_pos
.col
;
6652 case ')': amount
-= ind_unclosed2
;
6658 /* Use ind_unclosed once, when the first '(' is not inside
6661 amount
+= ind_unclosed
;
6664 curwin
->w_cursor
.lnum
= our_paren_pos
.lnum
;
6665 curwin
->w_cursor
.col
= col
;
6666 if ((trypos
= find_match_paren(ind_maxparen
,
6667 ind_maxcomment
)) != NULL
)
6668 amount
+= ind_unclosed2
;
6670 amount
+= ind_unclosed
;
6673 * For a line starting with ')' use the minimum of the two
6674 * positions, to avoid giving it more indent than the previous
6676 * func_long_name( if (x
6678 * ) ^ not here ) ^ not here
6680 if (cur_amount
< amount
)
6681 amount
= cur_amount
;
6685 /* add extra indent for a comment */
6686 if (cin_iscomment(theline
))
6687 amount
+= ind_comment
;
6691 * Are we at least inside braces, then?
6695 trypos
= tryposBrace
;
6697 ourscope
= trypos
->lnum
;
6698 start
= ml_get(ourscope
);
6701 * Now figure out how indented the line is in general.
6702 * If the brace was at the start of the line, we use that;
6703 * otherwise, check out the indentation of the line as
6704 * a whole and then add the "imaginary indent" to that.
6706 look
= skipwhite(start
);
6709 getvcol(curwin
, trypos
, &col
, NULL
, NULL
);
6712 start_brace
= BRACE_IN_COL0
;
6714 start_brace
= BRACE_AT_START
;
6719 * that opening brace might have been on a continuation
6720 * line. if so, find the start of the line.
6722 curwin
->w_cursor
.lnum
= ourscope
;
6725 * position the cursor over the rightmost paren, so that
6726 * matching it will take us back to the start of the line.
6729 if (find_last_paren(start
, '(', ')')
6730 && (trypos
= find_match_paren(ind_maxparen
,
6731 ind_maxcomment
)) != NULL
)
6732 lnum
= trypos
->lnum
;
6735 * It could have been something like
6736 * case 1: if (asdf &&
6740 if (ind_keep_case_label
&& cin_iscase(skipwhite(ml_get_curline())))
6741 amount
= get_indent();
6743 amount
= skip_label(lnum
, &l
, ind_maxcomment
);
6745 start_brace
= BRACE_AT_END
;
6749 * if we're looking at a closing brace, that's where
6750 * we want to be. otherwise, add the amount of room
6751 * that an indent is supposed to be.
6753 if (theline
[0] == '}')
6756 * they may want closing braces to line up with something
6757 * other than the open brace. indulge them, if so.
6759 amount
+= ind_close_extra
;
6764 * If we're looking at an "else", try to find an "if"
6766 * If we're looking at a "while", try to find a "do"
6769 lookfor
= LOOKFOR_INITIAL
;
6770 if (cin_iselse(theline
))
6771 lookfor
= LOOKFOR_IF
;
6772 else if (cin_iswhileofdo(theline
, cur_curpos
.lnum
, ind_maxparen
))
6774 lookfor
= LOOKFOR_DO
;
6775 if (lookfor
!= LOOKFOR_INITIAL
)
6777 curwin
->w_cursor
.lnum
= cur_curpos
.lnum
;
6778 if (find_match(lookfor
, ourscope
, ind_maxparen
,
6779 ind_maxcomment
) == OK
)
6781 amount
= get_indent(); /* XXX */
6787 * We get here if we are not on an "while-of-do" or "else" (or
6788 * failed to find a matching "if").
6789 * Search backwards for something to line up with.
6790 * First set amount for when we don't find anything.
6794 * if the '{' is _really_ at the left margin, use the imaginary
6795 * location of a left-margin brace. Otherwise, correct the
6796 * location for ind_open_extra.
6799 if (start_brace
== BRACE_IN_COL0
) /* '{' is in column 0 */
6801 amount
= ind_open_left_imag
;
6805 if (start_brace
== BRACE_AT_END
) /* '{' is at end of line */
6806 amount
+= ind_open_imag
;
6809 /* Compensate for adding ind_open_extra later. */
6810 amount
-= ind_open_extra
;
6816 lookfor_break
= FALSE
;
6818 if (cin_iscase(theline
)) /* it's a switch() label */
6820 lookfor
= LOOKFOR_CASE
; /* find a previous switch() label */
6823 else if (cin_isscopedecl(theline
)) /* private:, ... */
6825 lookfor
= LOOKFOR_SCOPEDECL
; /* class decl is this block */
6826 amount
+= ind_scopedecl
;
6830 if (ind_case_break
&& cin_isbreak(theline
)) /* break; ... */
6831 lookfor_break
= TRUE
;
6833 lookfor
= LOOKFOR_INITIAL
;
6834 amount
+= ind_level
; /* ind_level from start of block */
6836 scope_amount
= amount
;
6840 * Search backwards. If we find something we recognize, line up
6843 * if we're looking at an open brace, indent
6844 * the usual amount relative to the conditional
6845 * that opens the block.
6847 curwin
->w_cursor
= cur_curpos
;
6850 curwin
->w_cursor
.lnum
--;
6851 curwin
->w_cursor
.col
= 0;
6854 * If we went all the way back to the start of our scope, line
6857 if (curwin
->w_cursor
.lnum
<= ourscope
)
6859 /* we reached end of scope:
6860 * if looking for a enum or structure initialization
6862 * if it is an initializer (enum xxx or xxx =), then
6863 * don't add ind_continuation, otherwise it is a variable
6866 * here; <-- add ind_continuation
6868 if (lookfor
== LOOKFOR_ENUM_OR_INIT
)
6870 if (curwin
->w_cursor
.lnum
== 0
6871 || curwin
->w_cursor
.lnum
6872 < ourscope
- ind_maxparen
)
6874 /* nothing found (abuse ind_maxparen as limit)
6875 * assume terminated line (i.e. a variable
6876 * initialization) */
6877 if (cont_amount
> 0)
6878 amount
= cont_amount
;
6880 amount
+= ind_continuation
;
6884 l
= ml_get_curline();
6887 * If we're in a comment now, skip to the start of the
6890 trypos
= find_start_comment(ind_maxcomment
);
6893 curwin
->w_cursor
.lnum
= trypos
->lnum
+ 1;
6898 * Skip preprocessor directives and blank lines.
6900 if (cin_ispreproc_cont(&l
, &curwin
->w_cursor
.lnum
))
6906 terminated
= cin_isterminated(l
, FALSE
, TRUE
);
6909 * If we are at top level and the line looks like a
6910 * function declaration, we are done
6911 * (it's a variable declaration).
6913 if (start_brace
!= BRACE_IN_COL0
6914 || !cin_isfuncdecl(&l
, curwin
->w_cursor
.lnum
))
6916 /* if the line is terminated with another ','
6917 * it is a continued variable initialization.
6918 * don't add extra indent.
6919 * TODO: does not work, if a function
6920 * declaration is split over multiple lines:
6921 * cin_isfuncdecl returns FALSE then.
6923 if (terminated
== ',')
6926 /* if it es a enum declaration or an assignment,
6929 if (terminated
!= ';' && cin_isinit())
6932 /* nothing useful found */
6933 if (terminated
== 0 || terminated
== '{')
6937 if (terminated
!= ';')
6939 /* Skip parens and braces. Position the cursor
6940 * over the rightmost paren, so that matching it
6941 * will take us back to the start of the line.
6944 if (find_last_paren(l
, '(', ')'))
6945 trypos
= find_match_paren(ind_maxparen
,
6948 if (trypos
== NULL
&& find_last_paren(l
, '{', '}'))
6949 trypos
= find_start_brace(ind_maxcomment
);
6953 curwin
->w_cursor
.lnum
= trypos
->lnum
+ 1;
6958 /* it's a variable declaration, add indentation
6963 if (cont_amount
> 0)
6964 amount
= cont_amount
;
6966 amount
+= ind_continuation
;
6968 else if (lookfor
== LOOKFOR_UNTERM
)
6970 if (cont_amount
> 0)
6971 amount
= cont_amount
;
6973 amount
+= ind_continuation
;
6975 else if (lookfor
!= LOOKFOR_TERM
6976 && lookfor
!= LOOKFOR_CPP_BASECLASS
)
6978 amount
= scope_amount
;
6979 if (theline
[0] == '{')
6980 amount
+= ind_open_extra
;
6986 * If we're in a comment now, skip to the start of the comment.
6988 if ((trypos
= find_start_comment(ind_maxcomment
)) != NULL
)
6990 curwin
->w_cursor
.lnum
= trypos
->lnum
+ 1;
6994 l
= ml_get_curline();
6997 * If this is a switch() label, may line up relative to that.
6998 * If this is a C++ scope declaration, do the same.
7000 iscase
= cin_iscase(l
);
7001 if (iscase
|| cin_isscopedecl(l
))
7003 /* we are only looking for cpp base class
7004 * declaration/initialization any longer */
7005 if (lookfor
== LOOKFOR_CPP_BASECLASS
)
7008 /* When looking for a "do" we are not interested in
7015 * c = 99 + <- this indent plus continuation
7018 if (lookfor
== LOOKFOR_UNTERM
7019 || lookfor
== LOOKFOR_ENUM_OR_INIT
)
7021 if (cont_amount
> 0)
7022 amount
= cont_amount
;
7024 amount
+= ind_continuation
;
7029 * case xx: <- line up with this case
7033 if ( (iscase
&& lookfor
== LOOKFOR_CASE
)
7034 || (iscase
&& lookfor_break
)
7035 || (!iscase
&& lookfor
== LOOKFOR_SCOPEDECL
))
7038 * Check that this case label is not for another
7041 if ((trypos
= find_start_brace(ind_maxcomment
)) ==
7042 NULL
|| trypos
->lnum
== ourscope
)
7044 amount
= get_indent(); /* XXX */
7050 n
= get_indent_nolabel(curwin
->w_cursor
.lnum
); /* XXX */
7053 * case xx: if (cond) <- line up with this if
7058 * if (cond) <- line up with this line
7062 if (lookfor
== LOOKFOR_TERM
)
7072 * case xx: x = x + 1; <- line up with this x
7075 * case xx: if (cond) <- line up with this if
7081 l
= after_label(ml_get_curline());
7082 if (l
!= NULL
&& cin_is_cinword(l
))
7084 if (theline
[0] == '{')
7085 amount
+= ind_open_extra
;
7087 amount
+= ind_level
+ ind_no_brace
;
7093 * Try to get the indent of a statement before the switch
7094 * label. If nothing is found, line up relative to the
7096 * break; <- may line up with this line
7100 scope_amount
= get_indent() + (iscase
/* XXX */
7101 ? ind_case_code
: ind_scopedecl_code
);
7102 lookfor
= ind_case_break
? LOOKFOR_NOBREAK
: LOOKFOR_ANY
;
7107 * Looking for a switch() label or C++ scope declaration,
7108 * ignore other lines, skip {}-blocks.
7110 if (lookfor
== LOOKFOR_CASE
|| lookfor
== LOOKFOR_SCOPEDECL
)
7112 if (find_last_paren(l
, '{', '}') && (trypos
=
7113 find_start_brace(ind_maxcomment
)) != NULL
)
7114 curwin
->w_cursor
.lnum
= trypos
->lnum
+ 1;
7119 * Ignore jump labels with nothing after them.
7121 if (cin_islabel(ind_maxcomment
))
7123 l
= after_label(ml_get_curline());
7124 if (l
== NULL
|| cin_nocode(l
))
7129 * Ignore #defines, #if, etc.
7130 * Ignore comment and empty lines.
7131 * (need to get the line again, cin_islabel() may have
7134 l
= ml_get_curline();
7135 if (cin_ispreproc_cont(&l
, &curwin
->w_cursor
.lnum
)
7140 * Are we at the start of a cpp base class declaration or
7141 * constructor initialization?
7144 if (lookfor
!= LOOKFOR_TERM
&& ind_cpp_baseclass
> 0)
7146 n
= cin_is_cpp_baseclass(&col
);
7147 l
= ml_get_curline();
7151 if (lookfor
== LOOKFOR_UNTERM
)
7153 if (cont_amount
> 0)
7154 amount
= cont_amount
;
7156 amount
+= ind_continuation
;
7158 else if (theline
[0] == '{')
7160 /* Need to find start of the declaration. */
7161 lookfor
= LOOKFOR_UNTERM
;
7162 ind_continuation
= 0;
7167 amount
= get_baseclass_amount(col
, ind_maxparen
,
7168 ind_maxcomment
, ind_cpp_baseclass
);
7171 else if (lookfor
== LOOKFOR_CPP_BASECLASS
)
7173 /* only look, whether there is a cpp base class
7174 * declaration or initialization before the opening brace.
7176 if (cin_isterminated(l
, TRUE
, FALSE
))
7183 * What happens next depends on the line being terminated.
7184 * If terminated with a ',' only consider it terminating if
7185 * there is another unterminated statement behind, eg:
7189 * Otherwise check whether it is a enumeration or structure
7190 * initialisation (not indented) or a variable declaration
7193 terminated
= cin_isterminated(l
, FALSE
, TRUE
);
7195 if (terminated
== 0 || (lookfor
!= LOOKFOR_UNTERM
7196 && terminated
== ','))
7199 * if we're in the middle of a paren thing,
7200 * go back to the line that starts it so
7201 * we can get the right prevailing indent
7206 * position the cursor over the rightmost paren, so that
7207 * matching it will take us back to the start of the line.
7209 (void)find_last_paren(l
, '(', ')');
7210 trypos
= find_match_paren(
7211 corr_ind_maxparen(ind_maxparen
, &cur_curpos
),
7215 * If we are looking for ',', we also look for matching
7218 if (trypos
== NULL
&& terminated
== ','
7219 && find_last_paren(l
, '{', '}'))
7220 trypos
= find_start_brace(ind_maxcomment
);
7225 * Check if we are on a case label now. This is
7227 * case xx: if ( asdf &&
7230 curwin
->w_cursor
.lnum
= trypos
->lnum
;
7231 l
= ml_get_curline();
7232 if (cin_iscase(l
) || cin_isscopedecl(l
))
7234 ++curwin
->w_cursor
.lnum
;
7240 * Skip over continuation lines to find the one to get the
7242 * char *usethis = "bla\
7246 if (terminated
== ',')
7248 while (curwin
->w_cursor
.lnum
> 1)
7250 l
= ml_get(curwin
->w_cursor
.lnum
- 1);
7251 if (*l
== NUL
|| l
[STRLEN(l
) - 1] != '\\')
7253 --curwin
->w_cursor
.lnum
;
7258 * Get indent and pointer to text for current line,
7259 * ignoring any jump label. XXX
7261 cur_amount
= skip_label(curwin
->w_cursor
.lnum
,
7262 &l
, ind_maxcomment
);
7265 * If this is just above the line we are indenting, and it
7266 * starts with a '{', line it up with this line.
7271 if (terminated
!= ',' && lookfor
!= LOOKFOR_TERM
7272 && theline
[0] == '{')
7274 amount
= cur_amount
;
7276 * Only add ind_open_extra when the current line
7277 * doesn't start with a '{', which must have a match
7278 * in the same line (scope is the same). Probably:
7282 if (*skipwhite(l
) != '{')
7283 amount
+= ind_open_extra
;
7285 if (ind_cpp_baseclass
)
7287 /* have to look back, whether it is a cpp base
7288 * class declaration or initialization */
7289 lookfor
= LOOKFOR_CPP_BASECLASS
;
7296 * Check if we are after an "if", "while", etc.
7297 * Also allow " } else".
7299 if (cin_is_cinword(l
) || cin_iselse(skipwhite(l
)))
7302 * Found an unterminated line after an if (), line up
7303 * with the last one.
7308 if (lookfor
== LOOKFOR_UNTERM
7309 || lookfor
== LOOKFOR_ENUM_OR_INIT
)
7311 if (cont_amount
> 0)
7312 amount
= cont_amount
;
7314 amount
+= ind_continuation
;
7319 * If this is just above the line we are indenting, we
7323 * Otherwise this indent can be used when the line
7324 * before this is terminated.
7331 amount
= cur_amount
;
7332 if (theline
[0] == '{')
7333 amount
+= ind_open_extra
;
7334 if (lookfor
!= LOOKFOR_TERM
)
7336 amount
+= ind_level
+ ind_no_brace
;
7341 * Special trick: when expecting the while () after a
7342 * do, line up with the while()
7347 l
= skipwhite(ml_get_curline());
7350 if (whilelevel
== 0)
7356 * When searching for a terminated line, don't use the
7357 * one between the "if" and the "else".
7358 * Need to use the scope of this "else". XXX
7359 * If whilelevel != 0 continue looking for a "do {".
7363 && ((trypos
= find_start_brace(ind_maxcomment
))
7365 || find_match(LOOKFOR_IF
, trypos
->lnum
,
7366 ind_maxparen
, ind_maxcomment
) == FAIL
))
7371 * If we're below an unterminated line that is not an
7372 * "if" or something, we may line up with this line or
7373 * add something for a continuation line, depending on
7374 * the line before this one.
7379 * Found two unterminated lines on a row, line up with
7385 if (lookfor
== LOOKFOR_UNTERM
)
7387 /* When line ends in a comma add extra indent */
7388 if (terminated
== ',')
7389 amount
+= ind_continuation
;
7393 if (lookfor
== LOOKFOR_ENUM_OR_INIT
)
7395 /* Found two lines ending in ',', lineup with the
7396 * lowest one, but check for cpp base class
7397 * declaration/initialization, if it is an
7398 * opening brace or we are looking just for
7399 * enumerations/initializations. */
7400 if (terminated
== ',')
7402 if (ind_cpp_baseclass
== 0)
7405 lookfor
= LOOKFOR_CPP_BASECLASS
;
7409 /* Ignore unterminated lines in between, but
7411 if (amount
> cur_amount
)
7412 amount
= cur_amount
;
7417 * Found first unterminated line on a row, may
7418 * line up with this line, remember its indent
7422 amount
= cur_amount
;
7425 * If previous line ends in ',', check whether we
7426 * are in an initialization or enum
7431 * or a normal possible continuation line.
7432 * but only, of no other statement has been found
7435 if (lookfor
== LOOKFOR_INITIAL
&& terminated
== ',')
7437 lookfor
= LOOKFOR_ENUM_OR_INIT
;
7438 cont_amount
= cin_first_id_amount();
7442 if (lookfor
== LOOKFOR_INITIAL
7444 && l
[STRLEN(l
) - 1] == '\\')
7446 cont_amount
= cin_get_equal_amount(
7447 curwin
->w_cursor
.lnum
);
7448 if (lookfor
!= LOOKFOR_TERM
)
7449 lookfor
= LOOKFOR_UNTERM
;
7456 * Check if we are after a while (cond);
7457 * If so: Ignore until the matching "do".
7460 else if (cin_iswhileofdo_end(terminated
, ind_maxparen
,
7464 * Found an unterminated line after a while ();, line up
7465 * with the last one.
7467 * 100 + <- line up with this one
7470 if (lookfor
== LOOKFOR_UNTERM
7471 || lookfor
== LOOKFOR_ENUM_OR_INIT
)
7473 if (cont_amount
> 0)
7474 amount
= cont_amount
;
7476 amount
+= ind_continuation
;
7480 if (whilelevel
== 0)
7482 lookfor
= LOOKFOR_TERM
;
7483 amount
= get_indent(); /* XXX */
7484 if (theline
[0] == '{')
7485 amount
+= ind_open_extra
;
7491 * We are after a "normal" statement.
7492 * If we had another statement we can stop now and use the
7493 * indent of that other statement.
7494 * Otherwise the indent of the current statement may be used,
7495 * search backwards for the next "normal" statement.
7500 * Skip single break line, if before a switch label. It
7501 * may be lined up with the case label.
7503 if (lookfor
== LOOKFOR_NOBREAK
7504 && cin_isbreak(skipwhite(ml_get_curline())))
7506 lookfor
= LOOKFOR_ANY
;
7511 * Handle "do {" line.
7515 l
= cin_skipcomment(ml_get_curline());
7518 amount
= get_indent(); /* XXX */
7525 * Found a terminated line above an unterminated line. Add
7526 * the amount for a continuation line.
7535 if (lookfor
== LOOKFOR_UNTERM
7536 || lookfor
== LOOKFOR_ENUM_OR_INIT
)
7538 if (cont_amount
> 0)
7539 amount
= cont_amount
;
7541 amount
+= ind_continuation
;
7546 * Found a terminated line above a terminated line or "if"
7547 * etc. line. Use the amount of the line below us.
7550 * while (asdf) ->here;
7554 if (lookfor
== LOOKFOR_TERM
)
7556 if (!lookfor_break
&& whilelevel
== 0)
7561 * First line above the one we're indenting is terminated.
7562 * To know what needs to be done look further backward for
7563 * a terminated line.
7568 * position the cursor over the rightmost paren, so
7569 * that matching it will take us back to the start of
7570 * the line. Helps for:
7576 l
= ml_get_curline();
7577 if (find_last_paren(l
, '(', ')')
7578 && (trypos
= find_match_paren(ind_maxparen
,
7579 ind_maxcomment
)) != NULL
)
7582 * Check if we are on a case label now. This is
7584 * case xx: if ( asdf &&
7587 curwin
->w_cursor
.lnum
= trypos
->lnum
;
7588 l
= ml_get_curline();
7589 if (cin_iscase(l
) || cin_isscopedecl(l
))
7591 ++curwin
->w_cursor
.lnum
;
7596 /* When aligning with the case statement, don't align
7597 * with a statement after it.
7598 * case 1: { <-- don't use this { position
7605 iscase
= (ind_keep_case_label
&& cin_iscase(l
));
7608 * Get indent and pointer to text for current line,
7609 * ignoring any jump label.
7611 amount
= skip_label(curwin
->w_cursor
.lnum
,
7612 &l
, ind_maxcomment
);
7614 if (theline
[0] == '{')
7615 amount
+= ind_open_extra
;
7616 /* See remark above: "Only add ind_open_extra.." */
7619 amount
-= ind_open_extra
;
7620 lookfor
= iscase
? LOOKFOR_ANY
: LOOKFOR_TERM
;
7623 * When a terminated line starts with "else" skip to
7624 * the matching "if":
7627 * Need to use the scope of this "else". XXX
7628 * If whilelevel != 0 continue looking for a "do {".
7630 if (lookfor
== LOOKFOR_TERM
7635 if ((trypos
= find_start_brace(ind_maxcomment
))
7637 || find_match(LOOKFOR_IF
, trypos
->lnum
,
7638 ind_maxparen
, ind_maxcomment
) == FAIL
)
7644 * If we're at the end of a block, skip to the start of
7647 curwin
->w_cursor
.col
= 0;
7648 if (*cin_skipcomment(l
) == '}'
7649 && (trypos
= find_start_brace(ind_maxcomment
))
7652 curwin
->w_cursor
.lnum
= trypos
->lnum
;
7653 /* if not "else {" check for terminated again */
7654 /* but skip block for "} else {" */
7655 l
= cin_skipcomment(ml_get_curline());
7656 if (*l
== '}' || !cin_iselse(l
))
7658 ++curwin
->w_cursor
.lnum
;
7666 /* add extra indent for a comment */
7667 if (cin_iscomment(theline
))
7668 amount
+= ind_comment
;
7672 * ok -- we're not inside any sort of structure at all!
7674 * this means we're at the top level, and everything should
7675 * basically just match where the previous line is, except
7676 * for the lines immediately following a function declaration,
7677 * which are K&R-style parameters and need to be indented.
7682 * if our line starts with an open brace, forget about any
7683 * prevailing indent and make sure it looks like the start
7687 if (theline
[0] == '{')
7689 amount
= ind_first_open
;
7693 * If the NEXT line is a function declaration, the current
7694 * line needs to be indented as a function type spec.
7695 * Don't do this if the current line looks like a comment
7696 * or if the current line is terminated, ie. ends in ';'.
7698 else if (cur_curpos
.lnum
< curbuf
->b_ml
.ml_line_count
7699 && !cin_nocode(theline
)
7700 && !cin_ends_in(theline
, (char_u
*)":", NULL
)
7701 && !cin_ends_in(theline
, (char_u
*)",", NULL
)
7702 && cin_isfuncdecl(NULL
, cur_curpos
.lnum
+ 1)
7703 && !cin_isterminated(theline
, FALSE
, TRUE
))
7705 amount
= ind_func_type
;
7710 curwin
->w_cursor
= cur_curpos
;
7712 /* search backwards until we find something we recognize */
7714 while (curwin
->w_cursor
.lnum
> 1)
7716 curwin
->w_cursor
.lnum
--;
7717 curwin
->w_cursor
.col
= 0;
7719 l
= ml_get_curline();
7722 * If we're in a comment now, skip to the start of the comment.
7724 if ((trypos
= find_start_comment(ind_maxcomment
)) != NULL
)
7726 curwin
->w_cursor
.lnum
= trypos
->lnum
+ 1;
7731 * Are we at the start of a cpp base class declaration or
7732 * constructor initialization?
7735 if (ind_cpp_baseclass
!= 0 && theline
[0] != '{')
7737 n
= cin_is_cpp_baseclass(&col
);
7738 l
= ml_get_curline();
7743 amount
= get_baseclass_amount(col
, ind_maxparen
,
7744 ind_maxcomment
, ind_cpp_baseclass
);
7749 * Skip preprocessor directives and blank lines.
7751 if (cin_ispreproc_cont(&l
, &curwin
->w_cursor
.lnum
))
7758 * If the previous line ends in ',', use one level of
7762 * do this before checking for '}' in case of eg.
7770 if (cin_ends_in(l
, (char_u
*)",", NULL
)
7771 || (*l
!= NUL
&& (n
= l
[STRLEN(l
) - 1]) == '\\'))
7773 /* take us back to opening paren */
7774 if (find_last_paren(l
, '(', ')')
7775 && (trypos
= find_match_paren(ind_maxparen
,
7776 ind_maxcomment
)) != NULL
)
7777 curwin
->w_cursor
.lnum
= trypos
->lnum
;
7779 /* For a line ending in ',' that is a continuation line go
7780 * back to the first line with a backslash:
7785 while (n
== 0 && curwin
->w_cursor
.lnum
> 1)
7787 l
= ml_get(curwin
->w_cursor
.lnum
- 1);
7788 if (*l
== NUL
|| l
[STRLEN(l
) - 1] != '\\')
7790 --curwin
->w_cursor
.lnum
;
7793 amount
= get_indent(); /* XXX */
7796 amount
= cin_first_id_amount();
7798 amount
= ind_continuation
;
7803 * If the line looks like a function declaration, and we're
7804 * not in a comment, put it the left margin.
7806 if (cin_isfuncdecl(NULL
, cur_curpos
.lnum
)) /* XXX */
7808 l
= ml_get_curline();
7811 * Finding the closing '}' of a previous function. Put
7812 * current line at the left margin. For when 'cino' has "fs".
7814 if (*skipwhite(l
) == '}')
7818 * If the previous line ends on '};' (maybe followed by
7819 * comments) align at column 0. For example:
7820 * char *string_array[] = { "foo",
7821 * / * x * / "b};ar" }; / * foobar * /
7823 if (cin_ends_in(l
, (char_u
*)"};", NULL
))
7827 * If the PREVIOUS line is a function declaration, the current
7828 * line (and the ones that follow) needs to be indented as
7831 if (cin_isfuncdecl(&l
, curwin
->w_cursor
.lnum
))
7838 * If the previous line ends in ';' and the line before the
7839 * previous line ends in ',' or '\', ident to column zero:
7844 if (cin_ends_in(l
, (char_u
*)";", NULL
))
7846 l
= ml_get(curwin
->w_cursor
.lnum
- 1);
7847 if (cin_ends_in(l
, (char_u
*)",", NULL
)
7848 || (*l
!= NUL
&& l
[STRLEN(l
) - 1] == '\\'))
7850 l
= ml_get_curline();
7854 * Doesn't look like anything interesting -- so just
7855 * use the indent of this line.
7857 * Position the cursor over the rightmost paren, so that
7858 * matching it will take us back to the start of the line.
7860 find_last_paren(l
, '(', ')');
7862 if ((trypos
= find_match_paren(ind_maxparen
,
7863 ind_maxcomment
)) != NULL
)
7864 curwin
->w_cursor
.lnum
= trypos
->lnum
;
7865 amount
= get_indent(); /* XXX */
7869 /* add extra indent for a comment */
7870 if (cin_iscomment(theline
))
7871 amount
+= ind_comment
;
7873 /* add extra indent if the previous line ended in a backslash:
7876 * char *foo = "asdf\
7879 if (cur_curpos
.lnum
> 1)
7881 l
= ml_get(cur_curpos
.lnum
- 1);
7882 if (*l
!= NUL
&& l
[STRLEN(l
) - 1] == '\\')
7884 cur_amount
= cin_get_equal_amount(cur_curpos
.lnum
- 1);
7886 amount
= cur_amount
;
7887 else if (cur_amount
== 0)
7888 amount
+= ind_continuation
;
7895 /* put the cursor back where it belongs */
7896 curwin
->w_cursor
= cur_curpos
;
7906 find_match(lookfor
, ourscope
, ind_maxparen
, ind_maxcomment
)
7918 if (lookfor
== LOOKFOR_IF
)
7929 curwin
->w_cursor
.col
= 0;
7931 while (curwin
->w_cursor
.lnum
> ourscope
+ 1)
7933 curwin
->w_cursor
.lnum
--;
7934 curwin
->w_cursor
.col
= 0;
7936 look
= cin_skipcomment(ml_get_curline());
7937 if (cin_iselse(look
)
7939 || cin_isdo(look
) /* XXX */
7940 || cin_iswhileofdo(look
, curwin
->w_cursor
.lnum
, ind_maxparen
))
7943 * if we've gone outside the braces entirely,
7944 * we must be out of scope...
7946 theirscope
= find_start_brace(ind_maxcomment
); /* XXX */
7947 if (theirscope
== NULL
)
7951 * and if the brace enclosing this is further
7952 * back than the one enclosing the else, we're
7955 if (theirscope
->lnum
< ourscope
)
7959 * and if they're enclosed in a *deeper* brace,
7960 * then we can ignore it because it's in a
7961 * different scope...
7963 if (theirscope
->lnum
> ourscope
)
7967 * if it was an "else" (that's not an "else if")
7968 * then we need to go back to another if, so
7969 * increment elselevel
7971 look
= cin_skipcomment(ml_get_curline());
7972 if (cin_iselse(look
))
7974 mightbeif
= cin_skipcomment(look
+ 4);
7975 if (!cin_isif(mightbeif
))
7981 * if it was a "while" then we need to go back to
7982 * another "do", so increment whilelevel. XXX
7984 if (cin_iswhileofdo(look
, curwin
->w_cursor
.lnum
, ind_maxparen
))
7990 /* If it's an "if" decrement elselevel */
7991 look
= cin_skipcomment(ml_get_curline());
7996 * When looking for an "if" ignore "while"s that
7999 if (elselevel
== 0 && lookfor
== LOOKFOR_IF
)
8003 /* If it's a "do" decrement whilelevel */
8008 * if we've used up all the elses, then
8009 * this must be the if that we want!
8010 * match the indent level of that if.
8012 if (elselevel
<= 0 && whilelevel
<= 0)
8021 # if defined(FEAT_EVAL) || defined(PROTO)
8023 * Get indent level from 'indentexpr'.
8031 int use_sandbox
= was_set_insecurely((char_u
*)"indentexpr",
8034 pos
= curwin
->w_cursor
;
8035 set_vim_var_nr(VV_LNUM
, curwin
->w_cursor
.lnum
);
8039 indent
= eval_to_number(curbuf
->b_p_inde
);
8044 /* Restore the cursor position so that 'indentexpr' doesn't need to.
8045 * Pretend to be in Insert mode, allow cursor past end of line for "o"
8049 curwin
->w_cursor
= pos
;
8053 /* If there is an error, just keep the current indent. */
8055 indent
= get_indent();
8061 #endif /* FEAT_CINDENT */
8063 #if defined(FEAT_LISP) || defined(PROTO)
8065 static int lisp_match
__ARGS((char_u
*p
));
8073 char_u
*word
= p_lispwords
;
8075 while (*word
!= NUL
)
8077 (void)copy_option_part(&word
, buf
, LSIZE
, ",");
8078 len
= (int)STRLEN(buf
);
8079 if (STRNCMP(buf
, p
, len
) == 0 && p
[len
] == ' ')
8086 * When 'p' is present in 'cpoptions, a Vi compatible method is used.
8087 * The incompatible newer method is quite a bit better at indenting
8088 * code in lisp-like languages than the traditional one; it's still
8089 * mostly heuristics however -- Dirk van Deun, dirk@rave.org
8092 * Findmatch() should be adapted for lisp, also to make showmatch
8093 * work correctly: now (v5.3) it seems all C/C++ oriented:
8094 * - it does not recognize the #\( and #\) notations as character literals
8095 * - it doesn't know about comments starting with a semicolon
8096 * - it incorrectly interprets '(' as a character literal
8097 * All this messes up get_lisp_indent in some rare cases.
8098 * Update from Sergey Khorev:
8099 * I tried to fix the first two issues.
8104 pos_T
*pos
, realpos
, paren
;
8109 int parencount
, quotecount
;
8112 /* Set vi_lisp to use the vi-compatible method */
8113 vi_lisp
= (vim_strchr(p_cpo
, CPO_LISP
) != NULL
);
8115 realpos
= curwin
->w_cursor
;
8116 curwin
->w_cursor
.col
= 0;
8118 if ((pos
= findmatch(NULL
, '(')) == NULL
)
8119 pos
= findmatch(NULL
, '[');
8123 pos
= findmatch(NULL
, '[');
8124 if (pos
== NULL
|| ltp(pos
, &paren
))
8129 /* Extra trick: Take the indent of the first previous non-white
8130 * line that is at the same () level. */
8134 while (--curwin
->w_cursor
.lnum
>= pos
->lnum
)
8136 if (linewhite(curwin
->w_cursor
.lnum
))
8138 for (that
= ml_get_curline(); *that
!= NUL
; ++that
)
8142 while (*(that
+ 1) != NUL
)
8148 if (*(that
+ 1) != NUL
)
8152 if (*that
== '"' && *(that
+ 1) != NUL
)
8154 while (*++that
&& *that
!= '"')
8156 /* skipping escaped characters in the string */
8169 if (*that
== '(' || *that
== '[')
8171 else if (*that
== ')' || *that
== ']')
8174 if (parencount
== 0)
8176 amount
= get_indent();
8183 curwin
->w_cursor
.lnum
= pos
->lnum
;
8184 curwin
->w_cursor
.col
= pos
->col
;
8187 that
= ml_get_curline();
8189 if (vi_lisp
&& get_indent() == 0)
8194 while (*that
&& col
)
8196 amount
+= lbr_chartabsize_adv(&that
, (colnr_T
)amount
);
8201 * Some keywords require "body" indenting rules (the
8202 * non-standard-lisp ones are Scheme special forms):
8204 * (let ((a 1)) instead (let ((a 1))
8208 if (!vi_lisp
&& (*that
== '(' || *that
== '[')
8209 && lisp_match(that
+ 1))
8217 while (vim_iswhite(*that
))
8219 amount
+= lbr_chartabsize(that
, (colnr_T
)amount
);
8223 if (*that
&& *that
!= ';') /* not a comment line */
8225 /* test *that != '(' to accomodate first let/do
8226 * argument if it is more than one line */
8227 if (!vi_lisp
&& *that
!= '(' && *that
!= '[')
8237 && (*that
< '0' || *that
> '9')))
8240 && (!vim_iswhite(*that
)
8243 && (!((*that
== '(' || *that
== '[')
8249 quotecount
= !quotecount
;
8250 if ((*that
== '(' || *that
== '[')
8253 if ((*that
== ')' || *that
== ']')
8256 if (*that
== '\\' && *(that
+1) != NUL
)
8257 amount
+= lbr_chartabsize_adv(&that
,
8259 amount
+= lbr_chartabsize_adv(&that
,
8263 while (vim_iswhite(*that
))
8265 amount
+= lbr_chartabsize(that
, (colnr_T
)amount
);
8268 if (!*that
|| *that
== ';')
8276 amount
= 0; /* no matching '(' or '[' found, use zero indent */
8278 curwin
->w_cursor
= realpos
;
8282 #endif /* FEAT_LISP */
8287 #if defined(SIGHUP) && defined(SIG_IGN)
8288 /* Ignore SIGHUP, because a dropped connection causes a read error, which
8289 * makes Vim exit and then handling SIGHUP causes various reentrance
8291 signal(SIGHUP
, SIG_IGN
);
8298 out_trash(); /* trash any pending output */
8303 windgoto((int)Rows
- 1, 0);
8306 * Switch terminal mode back now, so messages end up on the "normal"
8307 * screen (if there are two screens).
8309 settmode(TMODE_COOK
);
8311 if (can_end_termcap_mode(FALSE
) == TRUE
)
8319 * Preserve files and exit.
8320 * When called IObuff must contain a message.
8329 /* Setting this will prevent free() calls. That avoids calling free()
8330 * recursively when free() was invoked with a bad pointer. */
8331 really_exiting
= TRUE
;
8334 screen_start(); /* don't know where cursor is now */
8337 ml_close_notmod(); /* close all not-modified buffers */
8339 for (buf
= firstbuf
; buf
!= NULL
; buf
= buf
->b_next
)
8341 if (buf
->b_ml
.ml_mfp
!= NULL
&& buf
->b_ml
.ml_mfp
->mf_fname
!= NULL
)
8343 OUT_STR(_("Vim: preserving files...\n"));
8344 screen_start(); /* don't know where cursor is now */
8346 ml_sync_all(FALSE
, FALSE
); /* preserve all swap files */
8351 ml_close_all(FALSE
); /* close all memfiles, without deleting */
8353 OUT_STR(_("Vim: Finished.\n"));
8359 * return TRUE if "fname" exists.
8367 if (mch_stat((char *)fname
, &st
))
8373 * Check for CTRL-C pressed, but only once in a while.
8374 * Should be used instead of ui_breakcheck() for functions that check for
8375 * each line in the file. Calling ui_breakcheck() each time takes too much
8376 * time, because it can be a system call.
8379 #ifndef BREAKCHECK_SKIP
8380 # ifdef FEAT_GUI /* assume the GUI only runs on fast computers */
8381 # define BREAKCHECK_SKIP 200
8383 # define BREAKCHECK_SKIP 32
8387 static int breakcheck_count
= 0;
8392 if (++breakcheck_count
>= BREAKCHECK_SKIP
)
8394 breakcheck_count
= 0;
8400 * Like line_breakcheck() but check 10 times less often.
8405 if (++breakcheck_count
>= BREAKCHECK_SKIP
* 10)
8407 breakcheck_count
= 0;
8413 * Expand wildcards. Calls gen_expand_wildcards() and removes files matching
8415 * Returns OK or FAIL.
8418 expand_wildcards(num_pat
, pat
, num_file
, file
, flags
)
8419 int num_pat
; /* number of input patterns */
8420 char_u
**pat
; /* array of input patterns */
8421 int *num_file
; /* resulting number of files */
8422 char_u
***file
; /* array of resulting files */
8423 int flags
; /* EW_DIR, etc. */
8428 int non_suf_match
; /* number without matching suffix */
8430 retval
= gen_expand_wildcards(num_pat
, pat
, num_file
, file
, flags
);
8432 /* When keeping all matches, return here */
8433 if (flags
& EW_KEEPALL
)
8438 * Remove names that match 'wildignore'.
8444 /* check all files in (*file)[] */
8445 for (i
= 0; i
< *num_file
; ++i
)
8447 ffname
= FullName_save((*file
)[i
], FALSE
);
8448 if (ffname
== NULL
) /* out of memory */
8451 vms_remove_version(ffname
);
8453 if (match_file_list(p_wig
, (*file
)[i
], ffname
))
8455 /* remove this matching file from the list */
8456 vim_free((*file
)[i
]);
8457 for (j
= i
; j
+ 1 < *num_file
; ++j
)
8458 (*file
)[j
] = (*file
)[j
+ 1];
8468 * Move the names where 'suffixes' match to the end.
8473 for (i
= 0; i
< *num_file
; ++i
)
8475 if (!match_suffix((*file
)[i
]))
8478 * Move the name without matching suffix to the front
8482 for (j
= i
; j
> non_suf_match
; --j
)
8483 (*file
)[j
] = (*file
)[j
- 1];
8484 (*file
)[non_suf_match
++] = p
;
8493 * Return TRUE if "fname" matches with an entry in 'suffixes'.
8499 int fnamelen
, setsuflen
;
8501 #define MAXSUFLEN 30 /* maximum length of a file suffix */
8502 char_u suf_buf
[MAXSUFLEN
];
8504 fnamelen
= (int)STRLEN(fname
);
8506 for (setsuf
= p_su
; *setsuf
; )
8508 setsuflen
= copy_option_part(&setsuf
, suf_buf
, MAXSUFLEN
, ".,");
8509 if (fnamelen
>= setsuflen
8510 && fnamencmp(suf_buf
, fname
+ fnamelen
- setsuflen
,
8511 (size_t)setsuflen
) == 0)
8515 return (setsuflen
!= 0);
8518 #if !defined(NO_EXPANDPATH) || defined(PROTO)
8520 # ifdef VIM_BACKTICK
8521 static int vim_backtick
__ARGS((char_u
*p
));
8522 static int expand_backtick
__ARGS((garray_T
*gap
, char_u
*pat
, int flags
));
8525 # if defined(MSDOS) || defined(FEAT_GUI_W16) || defined(WIN3264)
8527 * File name expansion code for MS-DOS, Win16 and Win32. It's here because
8528 * it's shared between these systems.
8530 # if defined(DJGPP) || defined(PROTO)
8531 # define _cdecl /* DJGPP doesn't have this */
8533 # ifdef __BORLANDC__
8534 # define _cdecl _RTLENTRYF
8539 * comparison function for qsort in dos_expandpath()
8542 pstrcmp(const void *a
, const void *b
)
8544 return (pathcmp(*(char **)a
, *(char **)b
, -1));
8554 if (USE_LONG_FNAME
) /* don't lower case on Windows 95/NT systems */
8560 *d
++ = TOLOWER_LOC(*s
++);
8566 * Recursively expand one path component into all matching files and/or
8567 * directories. Adds matches to "gap". Handles "*", "?", "[a-z]", "**", etc.
8568 * Return the number of matches found.
8569 * "path" has backslashes before chars that are not to be expanded, starting
8570 * at "path[wildoff]".
8571 * Return the number of matches found.
8572 * NOTE: much of this is identical to unix_expandpath(), keep in sync!
8579 int flags
, /* EW_* flags */
8580 int didstar
) /* expanded "**" once already */
8585 int start_len
= gap
->ga_len
;
8587 regmatch_T regmatch
;
8588 int starts_with_dot
;
8591 int starstar
= FALSE
;
8592 static int stardepth
= 0; /* depth for "**" expansion */
8595 HANDLE hFind
= (HANDLE
)0;
8597 WIN32_FIND_DATAW wfb
;
8598 WCHAR
*wn
= NULL
; /* UCS-2 name, NULL when not used. */
8606 /* Expanding "**" may take a long time, check for CTRL-C. */
8614 /* make room for file name */
8615 buf
= alloc((int)STRLEN(path
) + BASENAMELEN
+ 5);
8620 * Find the first part in the path name that contains a wildcard or a ~1.
8621 * Copy it into buf, including the preceding characters.
8627 while (*path_end
!= NUL
)
8629 /* May ignore a wildcard that has a backslash before it; it will
8630 * be removed by rem_backslash() or file_pat_to_reg_pat() below. */
8631 if (path_end
>= path
+ wildoff
&& rem_backslash(path_end
))
8633 else if (*path_end
== '\\' || *path_end
== ':' || *path_end
== '/')
8639 else if (path_end
>= path
+ wildoff
8640 && vim_strchr((char_u
*)"*?[~", *path_end
) != NULL
)
8645 len
= (*mb_ptr2len
)(path_end
);
8646 STRNCPY(p
, path_end
, len
);
8657 /* now we have one wildcard component between s and e */
8658 /* Remove backslashes between "wildoff" and the start of the wildcard
8660 for (p
= buf
+ wildoff
; p
< s
; ++p
)
8661 if (rem_backslash(p
))
8663 mch_memmove(p
, p
+ 1, STRLEN(p
));
8668 /* Check for "**" between "s" and "e". */
8669 for (p
= s
; p
< e
; ++p
)
8670 if (p
[0] == '*' && p
[1] == '*')
8673 starts_with_dot
= (*s
== '.');
8674 pat
= file_pat_to_reg_pat(s
, e
, NULL
, FALSE
);
8681 /* compile the regexp into a program */
8682 regmatch
.rm_ic
= TRUE
; /* Always ignore case */
8683 regmatch
.regprog
= vim_regcomp(pat
, RE_MAGIC
);
8686 if (regmatch
.regprog
== NULL
)
8692 /* remember the pattern or file name being looked for */
8693 matchname
= vim_strsave(s
);
8695 /* If "**" is by itself, this is the first time we encounter it and more
8696 * is following then find matches without any directory. */
8697 if (!didstar
&& stardepth
< 100 && starstar
&& e
- s
== 2
8698 && *path_end
== '/')
8700 STRCPY(s
, path_end
+ 1);
8702 (void)dos_expandpath(gap
, buf
, (int)(s
- buf
), flags
, TRUE
);
8706 /* Scan all files in the directory with "dir/ *.*" */
8710 if (enc_codepage
>= 0 && (int)GetACP() != enc_codepage
)
8712 /* The active codepage differs from 'encoding'. Attempt using the
8713 * wide function. If it fails because it is not implemented fall back
8714 * to the non-wide version (for Windows 98) */
8715 wn
= enc_to_ucs2(buf
, NULL
);
8718 hFind
= FindFirstFileW(wn
, &wfb
);
8719 if (hFind
== INVALID_HANDLE_VALUE
8720 && GetLastError() == ERROR_CALL_NOT_IMPLEMENTED
)
8730 hFind
= FindFirstFile(buf
, &fb
);
8731 ok
= (hFind
!= INVALID_HANDLE_VALUE
);
8733 /* If we are expanding wildcards we try both files and directories */
8734 ok
= (findfirst((char *)buf
, &fb
,
8735 (*path_end
!= NUL
|| (flags
& EW_DIR
)) ? FA_DIREC
: 0) == 0);
8743 p
= ucs2_to_enc(wfb
.cFileName
, NULL
); /* p is allocated here */
8746 p
= (char_u
*)fb
.cFileName
;
8748 p
= (char_u
*)fb
.ff_name
;
8750 /* Ignore entries starting with a dot, unless when asked for. Accept
8751 * all entries found with "matchname". */
8752 if ((p
[0] != '.' || starts_with_dot
)
8753 && (matchname
== NULL
8754 || vim_regexec(®match
, p
, (colnr_T
)0)))
8761 len
= (int)STRLEN(buf
);
8763 if (starstar
&& stardepth
< 100)
8765 /* For "**" in the pattern first go deeper in the tree to
8767 STRCPY(buf
+ len
, "/**");
8768 STRCPY(buf
+ len
+ 3, path_end
);
8770 (void)dos_expandpath(gap
, buf
, len
+ 1, flags
, TRUE
);
8774 STRCPY(buf
+ len
, path_end
);
8775 if (mch_has_exp_wildcard(path_end
))
8777 /* need to expand another component of the path */
8778 /* remove backslashes for the remaining components only */
8779 (void)dos_expandpath(gap
, buf
, len
+ 1, flags
, FALSE
);
8783 /* no more wildcards, check if there is a match */
8784 /* remove backslashes for the remaining components only */
8786 backslash_halve(buf
+ len
+ 1);
8787 if (mch_getperm(buf
) >= 0) /* add existing file */
8788 addfile(gap
, buf
, flags
);
8797 ok
= FindNextFileW(hFind
, &wfb
);
8801 ok
= FindNextFile(hFind
, &fb
);
8803 ok
= (findnext(&fb
) == 0);
8806 /* If no more matches and no match was used, try expanding the name
8807 * itself. Finds the long name of a short filename. */
8808 if (!ok
&& matchname
!= NULL
&& gap
->ga_len
== start_len
)
8810 STRCPY(s
, matchname
);
8817 wn
= enc_to_ucs2(buf
, NULL
);
8819 hFind
= FindFirstFileW(wn
, &wfb
);
8823 hFind
= FindFirstFile(buf
, &fb
);
8824 ok
= (hFind
!= INVALID_HANDLE_VALUE
);
8826 ok
= (findfirst((char *)buf
, &fb
,
8827 (*path_end
!= NUL
|| (flags
& EW_DIR
)) ? FA_DIREC
: 0) == 0);
8829 vim_free(matchname
);
8841 vim_free(regmatch
.regprog
);
8842 vim_free(matchname
);
8844 matches
= gap
->ga_len
- start_len
;
8846 qsort(((char_u
**)gap
->ga_data
) + start_len
, (size_t)matches
,
8847 sizeof(char_u
*), pstrcmp
);
8855 int flags
) /* EW_* flags */
8857 return dos_expandpath(gap
, path
, 0, flags
, FALSE
);
8859 # endif /* MSDOS || FEAT_GUI_W16 || WIN3264 */
8861 #if (defined(UNIX) && !defined(VMS)) || defined(USE_UNIXFILENAME) \
8864 * Unix style wildcard expansion code.
8865 * It's here because it's used both for Unix and Mac.
8867 static int pstrcmp
__ARGS((const void *, const void *));
8873 return (pathcmp(*(char **)a
, *(char **)b
, -1));
8877 * Recursively expand one path component into all matching files and/or
8878 * directories. Adds matches to "gap". Handles "*", "?", "[a-z]", "**", etc.
8879 * "path" has backslashes before chars that are not to be expanded, starting
8880 * at "path + wildoff".
8881 * Return the number of matches found.
8882 * NOTE: much of this is identical to dos_expandpath(), keep in sync!
8885 unix_expandpath(gap
, path
, wildoff
, flags
, didstar
)
8889 int flags
; /* EW_* flags */
8890 int didstar
; /* expanded "**" once already */
8895 int start_len
= gap
->ga_len
;
8897 regmatch_T regmatch
;
8898 int starts_with_dot
;
8901 int starstar
= FALSE
;
8902 static int stardepth
= 0; /* depth for "**" expansion */
8907 /* Expanding "**" may take a long time, check for CTRL-C. */
8915 /* make room for file name */
8916 buf
= alloc((int)STRLEN(path
) + BASENAMELEN
+ 5);
8921 * Find the first part in the path name that contains a wildcard.
8922 * Copy it into "buf", including the preceding characters.
8928 while (*path_end
!= NUL
)
8930 /* May ignore a wildcard that has a backslash before it; it will
8931 * be removed by rem_backslash() or file_pat_to_reg_pat() below. */
8932 if (path_end
>= path
+ wildoff
&& rem_backslash(path_end
))
8934 else if (*path_end
== '/')
8940 else if (path_end
>= path
+ wildoff
8941 && vim_strchr((char_u
*)"*?[{~$", *path_end
) != NULL
)
8946 len
= (*mb_ptr2len
)(path_end
);
8947 STRNCPY(p
, path_end
, len
);
8958 /* now we have one wildcard component between "s" and "e" */
8959 /* Remove backslashes between "wildoff" and the start of the wildcard
8961 for (p
= buf
+ wildoff
; p
< s
; ++p
)
8962 if (rem_backslash(p
))
8964 mch_memmove(p
, p
+ 1, STRLEN(p
));
8969 /* Check for "**" between "s" and "e". */
8970 for (p
= s
; p
< e
; ++p
)
8971 if (p
[0] == '*' && p
[1] == '*')
8974 /* convert the file pattern to a regexp pattern */
8975 starts_with_dot
= (*s
== '.');
8976 pat
= file_pat_to_reg_pat(s
, e
, NULL
, FALSE
);
8983 /* compile the regexp into a program */
8984 #ifdef CASE_INSENSITIVE_FILENAME
8985 regmatch
.rm_ic
= TRUE
; /* Behave like Terminal.app */
8987 regmatch
.rm_ic
= FALSE
; /* Don't ever ignore case */
8989 regmatch
.regprog
= vim_regcomp(pat
, RE_MAGIC
);
8992 if (regmatch
.regprog
== NULL
)
8998 /* If "**" is by itself, this is the first time we encounter it and more
8999 * is following then find matches without any directory. */
9000 if (!didstar
&& stardepth
< 100 && starstar
&& e
- s
== 2
9001 && *path_end
== '/')
9003 STRCPY(s
, path_end
+ 1);
9005 (void)unix_expandpath(gap
, buf
, (int)(s
- buf
), flags
, TRUE
);
9009 /* open the directory for scanning */
9011 dirp
= opendir(*buf
== NUL
? "." : (char *)buf
);
9013 /* Find all matching entries */
9021 if ((dp
->d_name
[0] != '.' || starts_with_dot
)
9022 && vim_regexec(®match
, (char_u
*)dp
->d_name
, (colnr_T
)0))
9024 STRCPY(s
, dp
->d_name
);
9027 if (starstar
&& stardepth
< 100)
9029 /* For "**" in the pattern first go deeper in the tree to
9031 STRCPY(buf
+ len
, "/**");
9032 STRCPY(buf
+ len
+ 3, path_end
);
9034 (void)unix_expandpath(gap
, buf
, len
+ 1, flags
, TRUE
);
9038 STRCPY(buf
+ len
, path_end
);
9039 if (mch_has_exp_wildcard(path_end
)) /* handle more wildcards */
9041 /* need to expand another component of the path */
9042 /* remove backslashes for the remaining components only */
9043 (void)unix_expandpath(gap
, buf
, len
+ 1, flags
, FALSE
);
9047 /* no more wildcards, check if there is a match */
9048 /* remove backslashes for the remaining components only */
9049 if (*path_end
!= NUL
)
9050 backslash_halve(buf
+ len
+ 1);
9051 if (mch_getperm(buf
) >= 0) /* add existing file */
9053 #ifdef MACOS_CONVERT
9054 size_t precomp_len
= STRLEN(buf
)+1;
9055 char_u
*precomp_buf
=
9056 mac_precompose_path(buf
, precomp_len
, &precomp_len
);
9060 mch_memmove(buf
, precomp_buf
, precomp_len
);
9061 vim_free(precomp_buf
);
9064 addfile(gap
, buf
, flags
);
9074 vim_free(regmatch
.regprog
);
9076 matches
= gap
->ga_len
- start_len
;
9078 qsort(((char_u
**)gap
->ga_data
) + start_len
, matches
,
9079 sizeof(char_u
*), pstrcmp
);
9085 * Generic wildcard expansion code.
9087 * Characters in "pat" that should not be expanded must be preceded with a
9088 * backslash. E.g., "/path\ with\ spaces/my\*star*"
9090 * Return FAIL when no single file was found. In this case "num_file" is not
9091 * set, and "file" may contain an error message.
9092 * Return OK when some files found. "num_file" is set to the number of
9093 * matches, "file" to the array of matches. Call FreeWild() later.
9096 gen_expand_wildcards(num_pat
, pat
, num_file
, file
, flags
)
9097 int num_pat
; /* number of input patterns */
9098 char_u
**pat
; /* array of input patterns */
9099 int *num_file
; /* resulting number of files */
9100 char_u
***file
; /* array of resulting files */
9101 int flags
; /* EW_* flags */
9106 static int recursive
= FALSE
;
9110 * expand_env() is called to expand things like "~user". If this fails,
9111 * it calls ExpandOne(), which brings us back here. In this case, always
9112 * call the machine specific expansion function, if possible. Otherwise,
9116 #ifdef SPECIAL_WILDCHAR
9117 return mch_expand_wildcards(num_pat
, pat
, num_file
, file
, flags
);
9122 #ifdef SPECIAL_WILDCHAR
9124 * If there are any special wildcard characters which we cannot handle
9125 * here, call machine specific function for all the expansion. This
9126 * avoids starting the shell for each argument separately.
9127 * For `=expr` do use the internal function.
9129 for (i
= 0; i
< num_pat
; i
++)
9131 if (vim_strpbrk(pat
[i
], (char_u
*)SPECIAL_WILDCHAR
) != NULL
9132 # ifdef VIM_BACKTICK
9133 && !(vim_backtick(pat
[i
]) && pat
[i
][1] == '=')
9136 return mch_expand_wildcards(num_pat
, pat
, num_file
, file
, flags
);
9143 * The matching file names are stored in a growarray. Init it empty.
9145 ga_init2(&ga
, (int)sizeof(char_u
*), 30);
9147 for (i
= 0; i
< num_pat
; ++i
)
9153 if (vim_backtick(p
))
9154 add_pat
= expand_backtick(&ga
, p
, flags
);
9159 * First expand environment variables, "~/" and "~user/".
9161 if (vim_strpbrk(p
, (char_u
*)"$~") != NULL
)
9163 p
= expand_env_save_opt(p
, TRUE
);
9168 * On Unix, if expand_env() can't expand an environment
9169 * variable, use the shell to do that. Discard previously
9170 * found file names and start all over again.
9172 else if (vim_strpbrk(p
, (char_u
*)"$~") != NULL
)
9176 i
= mch_expand_wildcards(num_pat
, pat
, num_file
, file
,
9185 * If there are wildcards: Expand file names and add each match to
9186 * the list. If there is no match, and EW_NOTFOUND is given, add
9188 * If there are no wildcards: Add the file name if it exists or
9189 * when EW_NOTFOUND is given.
9191 if (mch_has_exp_wildcard(p
))
9192 add_pat
= mch_expandpath(&ga
, p
, flags
);
9195 if (add_pat
== -1 || (add_pat
== 0 && (flags
& EW_NOTFOUND
)))
9197 char_u
*t
= backslash_halve_save(p
);
9199 #if defined(MACOS_CLASSIC)
9202 /* When EW_NOTFOUND is used, always add files and dirs. Makes
9203 * "vim c:/" work. */
9204 if (flags
& EW_NOTFOUND
)
9205 addfile(&ga
, t
, flags
| EW_DIR
| EW_FILE
);
9206 else if (mch_getperm(t
) >= 0)
9207 addfile(&ga
, t
, flags
);
9215 *num_file
= ga
.ga_len
;
9216 *file
= (ga
.ga_data
!= NULL
) ? (char_u
**)ga
.ga_data
: (char_u
**)"";
9220 return (ga
.ga_data
!= NULL
) ? OK
: FAIL
;
9223 # ifdef VIM_BACKTICK
9226 * Return TRUE if we can expand this backtick thing here.
9232 return (*p
== '`' && *(p
+ 1) != NUL
&& *(p
+ STRLEN(p
) - 1) == '`');
9236 * Expand an item in `backticks` by executing it as a command.
9237 * Currently only works when pat[] starts and ends with a `.
9238 * Returns number of file names found.
9241 expand_backtick(gap
, pat
, flags
)
9244 int flags
; /* EW_* flags */
9252 /* Create the command: lop off the backticks. */
9253 cmd
= vim_strnsave(pat
+ 1, (int)STRLEN(pat
) - 2);
9258 if (*cmd
== '=') /* `={expr}`: Expand expression */
9259 buffer
= eval_to_string(cmd
+ 1, &p
, TRUE
);
9262 buffer
= get_cmd_output(cmd
, NULL
,
9263 (flags
& EW_SILENT
) ? SHELL_SILENT
: 0);
9271 cmd
= skipwhite(cmd
); /* skip over white space */
9273 while (*p
!= NUL
&& *p
!= '\r' && *p
!= '\n') /* skip over entry */
9275 /* add an entry if it is not empty */
9280 addfile(gap
, cmd
, flags
);
9285 while (*cmd
!= NUL
&& (*cmd
== '\r' || *cmd
== '\n'))
9292 # endif /* VIM_BACKTICK */
9295 * Add a file to a file list. Accepted flags:
9296 * EW_DIR add directories
9298 * EW_EXEC add executable files
9299 * EW_NOTFOUND add even when it doesn't exist
9300 * EW_ADDSLASH add slash after directory name
9303 addfile(gap
, f
, flags
)
9305 char_u
*f
; /* filename */
9311 /* if the file/dir doesn't exist, may not add it */
9312 if (!(flags
& EW_NOTFOUND
) && mch_getperm(f
) < 0)
9315 #ifdef FNAME_ILLEGAL
9316 /* if the file/dir contains illegal characters, don't add it */
9317 if (vim_strpbrk(f
, (char_u
*)FNAME_ILLEGAL
) != NULL
)
9321 isdir
= mch_isdir(f
);
9322 if ((isdir
&& !(flags
& EW_DIR
)) || (!isdir
&& !(flags
& EW_FILE
)))
9325 /* If the file isn't executable, may not add it. Do accept directories. */
9326 if (!isdir
&& (flags
& EW_EXEC
) && !mch_can_exe(f
))
9329 /* Make room for another item in the file list. */
9330 if (ga_grow(gap
, 1) == FAIL
)
9333 p
= alloc((unsigned)(STRLEN(f
) + 1 + isdir
));
9338 #ifdef BACKSLASH_IN_FILENAME
9342 * Append a slash or backslash after directory names if none is present.
9344 #ifndef DONT_ADD_PATHSEP_TO_DIR
9345 if (isdir
&& (flags
& EW_ADDSLASH
))
9348 ((char_u
**)gap
->ga_data
)[gap
->ga_len
++] = p
;
9350 #endif /* !NO_EXPANDPATH */
9352 #if defined(VIM_BACKTICK) || defined(FEAT_EVAL) || defined(PROTO)
9362 * Get the stdout of an external command.
9363 * Returns an allocated string, or NULL for error.
9366 get_cmd_output(cmd
, infile
, flags
)
9368 char_u
*infile
; /* optional input file name */
9369 int flags
; /* can be SHELL_SILENT */
9373 char_u
*buffer
= NULL
;
9378 if (check_restricted() || check_secure())
9381 /* get a name for the temp file */
9382 if ((tempname
= vim_tempname('o')) == NULL
)
9388 /* Add the redirection stuff */
9389 command
= make_filter_cmd(cmd
, infile
, tempname
);
9390 if (command
== NULL
)
9394 * Call the shell to execute the command (errors are ignored).
9395 * Don't check timestamps here.
9397 ++no_check_timestamps
;
9398 call_shell(command
, SHELL_DOOUT
| SHELL_EXPAND
| flags
);
9399 --no_check_timestamps
;
9404 * read the names from the file into memory
9407 /* created temporary file is not always readable as binary */
9408 fd
= mch_fopen((char *)tempname
, "r");
9410 fd
= mch_fopen((char *)tempname
, READBIN
);
9415 EMSG2(_(e_notopen
), tempname
);
9419 fseek(fd
, 0L, SEEK_END
);
9420 len
= ftell(fd
); /* get size of temp file */
9421 fseek(fd
, 0L, SEEK_SET
);
9423 buffer
= alloc(len
+ 1);
9425 i
= (int)fread((char *)buffer
, (size_t)1, (size_t)len
, fd
);
9427 mch_remove(tempname
);
9431 len
= i
; /* VMS doesn't give us what we asked for... */
9435 EMSG2(_(e_notread
), tempname
);
9440 buffer
[len
] = '\0'; /* make sure the buffer is terminated */
9449 * Free the list of files returned by expand_wildcards() or other expansion
9453 FreeWild(count
, files
)
9457 if (count
<= 0 || files
== NULL
)
9459 #if defined(__EMX__) && defined(__ALWAYS_HAS_TRAILING_NULL_POINTER) /* XXX */
9461 * Is this still OK for when other functions than expand_wildcards() have
9464 _fnexplodefree((char **)files
);
9467 vim_free(files
[count
]);
9473 * return TRUE when need to go to Insert mode because of 'insertmode'.
9474 * Don't do this when still processing a command or a mapping.
9475 * Don't do this when inside a ":normal" command.
9480 return (p_im
&& stuff_empty() && typebuf_typed());