feat/quickfix-title: fixed problem with compiling tiny version.
[vim_extended.git] / src / ops.c
blob606ce071bae6b627977230717845de09dc0a4f78
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.
8 */
11 * ops.c: implementation of various operators: op_shift, op_delete, op_tilde,
12 * op_change, op_yank, do_put, do_join
15 #include "vim.h"
18 * Number of registers.
19 * 0 = unnamed register, for normal yanks and puts
20 * 1..9 = registers '1' to '9', for deletes
21 * 10..35 = registers 'a' to 'z'
22 * 36 = delete register '-'
23 * 37 = Selection register '*'. Only if FEAT_CLIPBOARD defined
24 * 38 = Clipboard register '+'. Only if FEAT_CLIPBOARD and FEAT_X11 defined
27 * Symbolic names for some registers.
29 #define DELETION_REGISTER 36
30 #ifdef FEAT_CLIPBOARD
31 # define STAR_REGISTER 37
32 # ifdef FEAT_X11
33 # define PLUS_REGISTER 38
34 # else
35 # define PLUS_REGISTER STAR_REGISTER /* there is only one */
36 # endif
37 #endif
38 #ifdef FEAT_DND
39 # define TILDE_REGISTER (PLUS_REGISTER + 1)
40 #endif
42 #ifdef FEAT_CLIPBOARD
43 # ifdef FEAT_DND
44 # define NUM_REGISTERS (TILDE_REGISTER + 1)
45 # else
46 # define NUM_REGISTERS (PLUS_REGISTER + 1)
47 # endif
48 #else
49 # define NUM_REGISTERS 37
50 #endif
53 * Each yank register is an array of pointers to lines.
55 static struct yankreg
57 char_u **y_array; /* pointer to array of line pointers */
58 linenr_T y_size; /* number of lines in y_array */
59 char_u y_type; /* MLINE, MCHAR or MBLOCK */
60 #ifdef FEAT_VISUAL
61 colnr_T y_width; /* only set if y_type == MBLOCK */
62 #endif
63 } y_regs[NUM_REGISTERS];
65 static struct yankreg *y_current; /* ptr to current yankreg */
66 static int y_append; /* TRUE when appending */
67 static struct yankreg *y_previous = NULL; /* ptr to last written yankreg */
70 * structure used by block_prep, op_delete and op_yank for blockwise operators
71 * also op_change, op_shift, op_insert, op_replace - AKelly
73 struct block_def
75 int startspaces; /* 'extra' cols before first char */
76 int endspaces; /* 'extra' cols after last char */
77 int textlen; /* chars in block */
78 char_u *textstart; /* pointer to 1st char (partially) in block */
79 colnr_T textcol; /* index of chars (partially) in block */
80 colnr_T start_vcol; /* start col of 1st char wholly inside block */
81 colnr_T end_vcol; /* start col of 1st char wholly after block */
82 #ifdef FEAT_VISUALEXTRA
83 int is_short; /* TRUE if line is too short to fit in block */
84 int is_MAX; /* TRUE if curswant==MAXCOL when starting */
85 int is_oneChar; /* TRUE if block within one character */
86 int pre_whitesp; /* screen cols of ws before block */
87 int pre_whitesp_c; /* chars of ws before block */
88 colnr_T end_char_vcols; /* number of vcols of post-block char */
89 #endif
90 colnr_T start_char_vcols; /* number of vcols of pre-block char */
93 #ifdef FEAT_VISUALEXTRA
94 static void shift_block __ARGS((oparg_T *oap, int amount));
95 static void block_insert __ARGS((oparg_T *oap, char_u *s, int b_insert, struct block_def*bdp));
96 #endif
97 static int stuff_yank __ARGS((int, char_u *));
98 static void put_reedit_in_typebuf __ARGS((int silent));
99 static int put_in_typebuf __ARGS((char_u *s, int esc, int colon,
100 int silent));
101 static void stuffescaped __ARGS((char_u *arg, int literally));
102 #ifdef FEAT_MBYTE
103 static void mb_adjust_opend __ARGS((oparg_T *oap));
104 #endif
105 static void free_yank __ARGS((long));
106 static void free_yank_all __ARGS((void));
107 static int yank_copy_line __ARGS((struct block_def *bd, long y_idx));
108 #ifdef FEAT_CLIPBOARD
109 static void copy_yank_reg __ARGS((struct yankreg *reg));
110 # if defined(FEAT_VISUAL) || defined(FEAT_EVAL)
111 static void may_set_selection __ARGS((void));
112 # endif
113 #endif
114 static void dis_msg __ARGS((char_u *p, int skip_esc));
115 #ifdef FEAT_VISUAL
116 static void block_prep __ARGS((oparg_T *oap, struct block_def *, linenr_T, int));
117 #endif
118 #if defined(FEAT_CLIPBOARD) || defined(FEAT_EVAL)
119 static void str_to_reg __ARGS((struct yankreg *y_ptr, int type, char_u *str, long len, long blocklen));
120 #endif
121 static int ends_in_white __ARGS((linenr_T lnum));
122 #ifdef FEAT_COMMENTS
123 static int same_leader __ARGS((linenr_T lnum, int, char_u *, int, char_u *));
124 static int fmt_check_par __ARGS((linenr_T, int *, char_u **, int do_comments));
125 #else
126 static int fmt_check_par __ARGS((linenr_T));
127 #endif
130 * The names of operators.
131 * IMPORTANT: Index must correspond with defines in vim.h!!!
132 * The third field indicates whether the operator always works on lines.
134 static char opchars[][3] =
136 {NUL, NUL, FALSE}, /* OP_NOP */
137 {'d', NUL, FALSE}, /* OP_DELETE */
138 {'y', NUL, FALSE}, /* OP_YANK */
139 {'c', NUL, FALSE}, /* OP_CHANGE */
140 {'<', NUL, TRUE}, /* OP_LSHIFT */
141 {'>', NUL, TRUE}, /* OP_RSHIFT */
142 {'!', NUL, TRUE}, /* OP_FILTER */
143 {'g', '~', FALSE}, /* OP_TILDE */
144 {'=', NUL, TRUE}, /* OP_INDENT */
145 {'g', 'q', TRUE}, /* OP_FORMAT */
146 {':', NUL, TRUE}, /* OP_COLON */
147 {'g', 'U', FALSE}, /* OP_UPPER */
148 {'g', 'u', FALSE}, /* OP_LOWER */
149 {'J', NUL, TRUE}, /* DO_JOIN */
150 {'g', 'J', TRUE}, /* DO_JOIN_NS */
151 {'g', '?', FALSE}, /* OP_ROT13 */
152 {'r', NUL, FALSE}, /* OP_REPLACE */
153 {'I', NUL, FALSE}, /* OP_INSERT */
154 {'A', NUL, FALSE}, /* OP_APPEND */
155 {'z', 'f', TRUE}, /* OP_FOLD */
156 {'z', 'o', TRUE}, /* OP_FOLDOPEN */
157 {'z', 'O', TRUE}, /* OP_FOLDOPENREC */
158 {'z', 'c', TRUE}, /* OP_FOLDCLOSE */
159 {'z', 'C', TRUE}, /* OP_FOLDCLOSEREC */
160 {'z', 'd', TRUE}, /* OP_FOLDDEL */
161 {'z', 'D', TRUE}, /* OP_FOLDDELREC */
162 {'g', 'w', TRUE}, /* OP_FORMAT2 */
163 {'g', '@', FALSE}, /* OP_FUNCTION */
167 * Translate a command name into an operator type.
168 * Must only be called with a valid operator name!
171 get_op_type(char1, char2)
172 int char1;
173 int char2;
175 int i;
177 if (char1 == 'r') /* ignore second character */
178 return OP_REPLACE;
179 if (char1 == '~') /* when tilde is an operator */
180 return OP_TILDE;
181 for (i = 0; ; ++i)
182 if (opchars[i][0] == char1 && opchars[i][1] == char2)
183 break;
184 return i;
187 #if defined(FEAT_VISUAL) || defined(PROTO)
189 * Return TRUE if operator "op" always works on whole lines.
192 op_on_lines(op)
193 int op;
195 return opchars[op][2];
197 #endif
200 * Get first operator command character.
201 * Returns 'g' or 'z' if there is another command character.
204 get_op_char(optype)
205 int optype;
207 return opchars[optype][0];
211 * Get second operator command character.
214 get_extra_op_char(optype)
215 int optype;
217 return opchars[optype][1];
221 * op_shift - handle a shift operation
223 void
224 op_shift(oap, curs_top, amount)
225 oparg_T *oap;
226 int curs_top;
227 int amount;
229 long i;
230 int first_char;
231 char_u *s;
232 #ifdef FEAT_VISUAL
233 int block_col = 0;
234 #endif
236 if (u_save((linenr_T)(oap->start.lnum - 1),
237 (linenr_T)(oap->end.lnum + 1)) == FAIL)
238 return;
240 #ifdef FEAT_VISUAL
241 if (oap->block_mode)
242 block_col = curwin->w_cursor.col;
243 #endif
245 for (i = oap->line_count; --i >= 0; )
247 first_char = *ml_get_curline();
248 if (first_char == NUL) /* empty line */
249 curwin->w_cursor.col = 0;
250 #ifdef FEAT_VISUALEXTRA
251 else if (oap->block_mode)
252 shift_block(oap, amount);
253 #endif
254 else
255 /* Move the line right if it doesn't start with '#', 'smartindent'
256 * isn't set or 'cindent' isn't set or '#' isn't in 'cino'. */
257 #if defined(FEAT_SMARTINDENT) || defined(FEAT_CINDENT)
258 if (first_char != '#' || !preprocs_left())
259 #endif
261 shift_line(oap->op_type == OP_LSHIFT, p_sr, amount, FALSE);
263 ++curwin->w_cursor.lnum;
266 changed_lines(oap->start.lnum, 0, oap->end.lnum + 1, 0L);
268 #ifdef FEAT_VISUAL
269 if (oap->block_mode)
271 curwin->w_cursor.lnum = oap->start.lnum;
272 curwin->w_cursor.col = block_col;
274 else
275 #endif
276 if (curs_top) /* put cursor on first line, for ">>" */
278 curwin->w_cursor.lnum = oap->start.lnum;
279 beginline(BL_SOL | BL_FIX); /* shift_line() may have set cursor.col */
281 else
282 --curwin->w_cursor.lnum; /* put cursor on last line, for ":>" */
284 if (oap->line_count > p_report)
286 if (oap->op_type == OP_RSHIFT)
287 s = (char_u *)">";
288 else
289 s = (char_u *)"<";
290 if (oap->line_count == 1)
292 if (amount == 1)
293 sprintf((char *)IObuff, _("1 line %sed 1 time"), s);
294 else
295 sprintf((char *)IObuff, _("1 line %sed %d times"), s, amount);
297 else
299 if (amount == 1)
300 sprintf((char *)IObuff, _("%ld lines %sed 1 time"),
301 oap->line_count, s);
302 else
303 sprintf((char *)IObuff, _("%ld lines %sed %d times"),
304 oap->line_count, s, amount);
306 msg(IObuff);
310 * Set "'[" and "']" marks.
312 curbuf->b_op_start = oap->start;
313 curbuf->b_op_end.lnum = oap->end.lnum;
314 curbuf->b_op_end.col = (colnr_T)STRLEN(ml_get(oap->end.lnum));
315 if (curbuf->b_op_end.col > 0)
316 --curbuf->b_op_end.col;
320 * shift the current line one shiftwidth left (if left != 0) or right
321 * leaves cursor on first blank in the line
323 void
324 shift_line(left, round, amount, call_changed_bytes)
325 int left;
326 int round;
327 int amount;
328 int call_changed_bytes; /* call changed_bytes() */
330 int count;
331 int i, j;
332 int p_sw = (int)curbuf->b_p_sw;
334 count = get_indent(); /* get current indent */
336 if (round) /* round off indent */
338 i = count / p_sw; /* number of p_sw rounded down */
339 j = count % p_sw; /* extra spaces */
340 if (j && left) /* first remove extra spaces */
341 --amount;
342 if (left)
344 i -= amount;
345 if (i < 0)
346 i = 0;
348 else
349 i += amount;
350 count = i * p_sw;
352 else /* original vi indent */
354 if (left)
356 count -= p_sw * amount;
357 if (count < 0)
358 count = 0;
360 else
361 count += p_sw * amount;
364 /* Set new indent */
365 #ifdef FEAT_VREPLACE
366 if (State & VREPLACE_FLAG)
367 change_indent(INDENT_SET, count, FALSE, NUL, call_changed_bytes);
368 else
369 #endif
370 (void)set_indent(count, call_changed_bytes ? SIN_CHANGED : 0);
373 #if defined(FEAT_VISUALEXTRA) || defined(PROTO)
375 * Shift one line of the current block one shiftwidth right or left.
376 * Leaves cursor on first character in block.
378 static void
379 shift_block(oap, amount)
380 oparg_T *oap;
381 int amount;
383 int left = (oap->op_type == OP_LSHIFT);
384 int oldstate = State;
385 int total;
386 char_u *newp, *oldp;
387 int oldcol = curwin->w_cursor.col;
388 int p_sw = (int)curbuf->b_p_sw;
389 int p_ts = (int)curbuf->b_p_ts;
390 struct block_def bd;
391 int incr;
392 colnr_T ws_vcol;
393 int i = 0, j = 0;
394 int len;
395 #ifdef FEAT_RIGHTLEFT
396 int old_p_ri = p_ri;
398 p_ri = 0; /* don't want revins in ident */
399 #endif
401 State = INSERT; /* don't want REPLACE for State */
402 block_prep(oap, &bd, curwin->w_cursor.lnum, TRUE);
403 if (bd.is_short)
404 return;
406 /* total is number of screen columns to be inserted/removed */
407 total = amount * p_sw;
408 oldp = ml_get_curline();
410 if (!left)
413 * 1. Get start vcol
414 * 2. Total ws vcols
415 * 3. Divvy into TABs & spp
416 * 4. Construct new string
418 total += bd.pre_whitesp; /* all virtual WS upto & incl a split TAB */
419 ws_vcol = bd.start_vcol - bd.pre_whitesp;
420 if (bd.startspaces)
422 #ifdef FEAT_MBYTE
423 if (has_mbyte)
424 bd.textstart += (*mb_ptr2len)(bd.textstart);
425 else
426 #endif
427 ++bd.textstart;
429 for ( ; vim_iswhite(*bd.textstart); )
431 incr = lbr_chartabsize_adv(&bd.textstart, (colnr_T)(bd.start_vcol));
432 total += incr;
433 bd.start_vcol += incr;
435 /* OK, now total=all the VWS reqd, and textstart points at the 1st
436 * non-ws char in the block. */
437 if (!curbuf->b_p_et)
438 i = ((ws_vcol % p_ts) + total) / p_ts; /* number of tabs */
439 if (i)
440 j = ((ws_vcol % p_ts) + total) % p_ts; /* number of spp */
441 else
442 j = total;
443 /* if we're splitting a TAB, allow for it */
444 bd.textcol -= bd.pre_whitesp_c - (bd.startspaces != 0);
445 len = (int)STRLEN(bd.textstart) + 1;
446 newp = alloc_check((unsigned)(bd.textcol + i + j + len));
447 if (newp == NULL)
448 return;
449 vim_memset(newp, NUL, (size_t)(bd.textcol + i + j + len));
450 mch_memmove(newp, oldp, (size_t)bd.textcol);
451 copy_chars(newp + bd.textcol, (size_t)i, TAB);
452 copy_spaces(newp + bd.textcol + i, (size_t)j);
453 /* the end */
454 mch_memmove(newp + bd.textcol + i + j, bd.textstart, (size_t)len);
456 else /* left */
458 colnr_T destination_col; /* column to which text in block will
459 be shifted */
460 char_u *verbatim_copy_end; /* end of the part of the line which is
461 copied verbatim */
462 colnr_T verbatim_copy_width;/* the (displayed) width of this part
463 of line */
464 unsigned fill; /* nr of spaces that replace a TAB */
465 unsigned new_line_len; /* the length of the line after the
466 block shift */
467 size_t block_space_width;
468 size_t shift_amount;
469 char_u *non_white = bd.textstart;
470 colnr_T non_white_col;
473 * Firstly, let's find the first non-whitespace character that is
474 * displayed after the block's start column and the character's column
475 * number. Also, let's calculate the width of all the whitespace
476 * characters that are displayed in the block and precede the searched
477 * non-whitespace character.
480 /* If "bd.startspaces" is set, "bd.textstart" points to the character,
481 * the part of which is displayed at the block's beginning. Let's start
482 * searching from the next character. */
483 if (bd.startspaces)
484 mb_ptr_adv(non_white);
486 /* The character's column is in "bd.start_vcol". */
487 non_white_col = bd.start_vcol;
489 while (vim_iswhite(*non_white))
491 incr = lbr_chartabsize_adv(&non_white, non_white_col);
492 non_white_col += incr;
495 block_space_width = non_white_col - oap->start_vcol;
496 /* We will shift by "total" or "block_space_width", whichever is less.
498 shift_amount = (block_space_width < (size_t)total
499 ? block_space_width : (size_t)total);
501 /* The column to which we will shift the text. */
502 destination_col = (colnr_T)(non_white_col - shift_amount);
504 /* Now let's find out how much of the beginning of the line we can
505 * reuse without modification. */
506 verbatim_copy_end = bd.textstart;
507 verbatim_copy_width = bd.start_vcol;
509 /* If "bd.startspaces" is set, "bd.textstart" points to the character
510 * preceding the block. We have to subtract its width to obtain its
511 * column number. */
512 if (bd.startspaces)
513 verbatim_copy_width -= bd.start_char_vcols;
514 while (verbatim_copy_width < destination_col)
516 incr = lbr_chartabsize(verbatim_copy_end, verbatim_copy_width);
517 if (verbatim_copy_width + incr > destination_col)
518 break;
519 verbatim_copy_width += incr;
520 mb_ptr_adv(verbatim_copy_end);
523 /* If "destination_col" is different from the width of the initial
524 * part of the line that will be copied, it means we encountered a tab
525 * character, which we will have to partly replace with spaces. */
526 fill = destination_col - verbatim_copy_width;
528 /* The replacement line will consist of:
529 * - the beginning of the original line up to "verbatim_copy_end",
530 * - "fill" number of spaces,
531 * - the rest of the line, pointed to by non_white. */
532 new_line_len = (unsigned)(verbatim_copy_end - oldp)
533 + fill
534 + (unsigned)STRLEN(non_white) + 1;
536 newp = alloc_check(new_line_len);
537 if (newp == NULL)
538 return;
539 mch_memmove(newp, oldp, (size_t)(verbatim_copy_end - oldp));
540 copy_spaces(newp + (verbatim_copy_end - oldp), (size_t)fill);
541 STRMOVE(newp + (verbatim_copy_end - oldp) + fill, non_white);
543 /* replace the line */
544 ml_replace(curwin->w_cursor.lnum, newp, FALSE);
545 changed_bytes(curwin->w_cursor.lnum, (colnr_T)bd.textcol);
546 State = oldstate;
547 curwin->w_cursor.col = oldcol;
548 #ifdef FEAT_RIGHTLEFT
549 p_ri = old_p_ri;
550 #endif
552 #endif
554 #ifdef FEAT_VISUALEXTRA
556 * Insert string "s" (b_insert ? before : after) block :AKelly
557 * Caller must prepare for undo.
559 static void
560 block_insert(oap, s, b_insert, bdp)
561 oparg_T *oap;
562 char_u *s;
563 int b_insert;
564 struct block_def *bdp;
566 int p_ts;
567 int count = 0; /* extra spaces to replace a cut TAB */
568 int spaces = 0; /* non-zero if cutting a TAB */
569 colnr_T offset; /* pointer along new line */
570 unsigned s_len; /* STRLEN(s) */
571 char_u *newp, *oldp; /* new, old lines */
572 linenr_T lnum; /* loop var */
573 int oldstate = State;
575 State = INSERT; /* don't want REPLACE for State */
576 s_len = (unsigned)STRLEN(s);
578 for (lnum = oap->start.lnum + 1; lnum <= oap->end.lnum; lnum++)
580 block_prep(oap, bdp, lnum, TRUE);
581 if (bdp->is_short && b_insert)
582 continue; /* OP_INSERT, line ends before block start */
584 oldp = ml_get(lnum);
586 if (b_insert)
588 p_ts = bdp->start_char_vcols;
589 spaces = bdp->startspaces;
590 if (spaces != 0)
591 count = p_ts - 1; /* we're cutting a TAB */
592 offset = bdp->textcol;
594 else /* append */
596 p_ts = bdp->end_char_vcols;
597 if (!bdp->is_short) /* spaces = padding after block */
599 spaces = (bdp->endspaces ? p_ts - bdp->endspaces : 0);
600 if (spaces != 0)
601 count = p_ts - 1; /* we're cutting a TAB */
602 offset = bdp->textcol + bdp->textlen - (spaces != 0);
604 else /* spaces = padding to block edge */
606 /* if $ used, just append to EOL (ie spaces==0) */
607 if (!bdp->is_MAX)
608 spaces = (oap->end_vcol - bdp->end_vcol) + 1;
609 count = spaces;
610 offset = bdp->textcol + bdp->textlen;
614 newp = alloc_check((unsigned)(STRLEN(oldp)) + s_len + count + 1);
615 if (newp == NULL)
616 continue;
618 /* copy up to shifted part */
619 mch_memmove(newp, oldp, (size_t)(offset));
620 oldp += offset;
622 /* insert pre-padding */
623 copy_spaces(newp + offset, (size_t)spaces);
625 /* copy the new text */
626 mch_memmove(newp + offset + spaces, s, (size_t)s_len);
627 offset += s_len;
629 if (spaces && !bdp->is_short)
631 /* insert post-padding */
632 copy_spaces(newp + offset + spaces, (size_t)(p_ts - spaces));
633 /* We're splitting a TAB, don't copy it. */
634 oldp++;
635 /* We allowed for that TAB, remember this now */
636 count++;
639 if (spaces > 0)
640 offset += count;
641 STRMOVE(newp + offset, oldp);
643 ml_replace(lnum, newp, FALSE);
645 if (lnum == oap->end.lnum)
647 /* Set "']" mark to the end of the block instead of the end of
648 * the insert in the first line. */
649 curbuf->b_op_end.lnum = oap->end.lnum;
650 curbuf->b_op_end.col = offset;
652 } /* for all lnum */
654 changed_lines(oap->start.lnum + 1, 0, oap->end.lnum + 1, 0L);
656 State = oldstate;
658 #endif
660 #if defined(FEAT_LISP) || defined(FEAT_CINDENT) || defined(PROTO)
662 * op_reindent - handle reindenting a block of lines.
664 void
665 op_reindent(oap, how)
666 oparg_T *oap;
667 int (*how) __ARGS((void));
669 long i;
670 char_u *l;
671 int count;
672 linenr_T first_changed = 0;
673 linenr_T last_changed = 0;
674 linenr_T start_lnum = curwin->w_cursor.lnum;
676 /* Don't even try when 'modifiable' is off. */
677 if (!curbuf->b_p_ma)
679 EMSG(_(e_modifiable));
680 return;
683 for (i = oap->line_count; --i >= 0 && !got_int; )
685 /* it's a slow thing to do, so give feedback so there's no worry that
686 * the computer's just hung. */
688 if (i > 1
689 && (i % 50 == 0 || i == oap->line_count - 1)
690 && oap->line_count > p_report)
691 smsg((char_u *)_("%ld lines to indent... "), i);
694 * Be vi-compatible: For lisp indenting the first line is not
695 * indented, unless there is only one line.
697 #ifdef FEAT_LISP
698 if (i != oap->line_count - 1 || oap->line_count == 1
699 || how != get_lisp_indent)
700 #endif
702 l = skipwhite(ml_get_curline());
703 if (*l == NUL) /* empty or blank line */
704 count = 0;
705 else
706 count = how(); /* get the indent for this line */
708 if (set_indent(count, SIN_UNDO))
710 /* did change the indent, call changed_lines() later */
711 if (first_changed == 0)
712 first_changed = curwin->w_cursor.lnum;
713 last_changed = curwin->w_cursor.lnum;
716 ++curwin->w_cursor.lnum;
717 curwin->w_cursor.col = 0; /* make sure it's valid */
720 /* put cursor on first non-blank of indented line */
721 curwin->w_cursor.lnum = start_lnum;
722 beginline(BL_SOL | BL_FIX);
724 /* Mark changed lines so that they will be redrawn. When Visual
725 * highlighting was present, need to continue until the last line. When
726 * there is no change still need to remove the Visual highlighting. */
727 if (last_changed != 0)
728 changed_lines(first_changed, 0,
729 #ifdef FEAT_VISUAL
730 oap->is_VIsual ? start_lnum + oap->line_count :
731 #endif
732 last_changed + 1, 0L);
733 #ifdef FEAT_VISUAL
734 else if (oap->is_VIsual)
735 redraw_curbuf_later(INVERTED);
736 #endif
738 if (oap->line_count > p_report)
740 i = oap->line_count - (i + 1);
741 if (i == 1)
742 MSG(_("1 line indented "));
743 else
744 smsg((char_u *)_("%ld lines indented "), i);
746 /* set '[ and '] marks */
747 curbuf->b_op_start = oap->start;
748 curbuf->b_op_end = oap->end;
750 #endif /* defined(FEAT_LISP) || defined(FEAT_CINDENT) */
752 #if defined(FEAT_EVAL) || defined(PROTO)
754 * Keep the last expression line here, for repeating.
756 static char_u *expr_line = NULL;
759 * Get an expression for the "\"=expr1" or "CTRL-R =expr1"
760 * Returns '=' when OK, NUL otherwise.
763 get_expr_register()
765 char_u *new_line;
767 new_line = getcmdline('=', 0L, 0);
768 if (new_line == NULL)
769 return NUL;
770 if (*new_line == NUL) /* use previous line */
771 vim_free(new_line);
772 else
773 set_expr_line(new_line);
774 return '=';
778 * Set the expression for the '=' register.
779 * Argument must be an allocated string.
781 void
782 set_expr_line(new_line)
783 char_u *new_line;
785 vim_free(expr_line);
786 expr_line = new_line;
790 * Get the result of the '=' register expression.
791 * Returns a pointer to allocated memory, or NULL for failure.
793 char_u *
794 get_expr_line()
796 char_u *expr_copy;
797 char_u *rv;
798 static int nested = 0;
800 if (expr_line == NULL)
801 return NULL;
803 /* Make a copy of the expression, because evaluating it may cause it to be
804 * changed. */
805 expr_copy = vim_strsave(expr_line);
806 if (expr_copy == NULL)
807 return NULL;
809 /* When we are invoked recursively limit the evaluation to 10 levels.
810 * Then return the string as-is. */
811 if (nested >= 10)
812 return expr_copy;
814 ++nested;
815 rv = eval_to_string(expr_copy, NULL, TRUE);
816 --nested;
817 vim_free(expr_copy);
818 return rv;
822 * Get the '=' register expression itself, without evaluating it.
824 char_u *
825 get_expr_line_src()
827 if (expr_line == NULL)
828 return NULL;
829 return vim_strsave(expr_line);
831 #endif /* FEAT_EVAL */
834 * Check if 'regname' is a valid name of a yank register.
835 * Note: There is no check for 0 (default register), caller should do this
838 valid_yank_reg(regname, writing)
839 int regname;
840 int writing; /* if TRUE check for writable registers */
842 if ( (regname > 0 && ASCII_ISALNUM(regname))
843 || (!writing && vim_strchr((char_u *)
844 #ifdef FEAT_EVAL
845 "/.%#:="
846 #else
847 "/.%#:"
848 #endif
849 , regname) != NULL)
850 || regname == '"'
851 || regname == '-'
852 || regname == '_'
853 #ifdef FEAT_CLIPBOARD
854 || regname == '*'
855 || regname == '+'
856 #endif
857 #ifdef FEAT_DND
858 || (!writing && regname == '~')
859 #endif
861 return TRUE;
862 return FALSE;
866 * Set y_current and y_append, according to the value of "regname".
867 * Cannot handle the '_' register.
868 * Must only be called with a valid register name!
870 * If regname is 0 and writing, use register 0
871 * If regname is 0 and reading, use previous register
873 void
874 get_yank_register(regname, writing)
875 int regname;
876 int writing;
878 int i;
880 y_append = FALSE;
881 if ((regname == 0 || regname == '"') && !writing && y_previous != NULL)
883 y_current = y_previous;
884 return;
886 i = regname;
887 if (VIM_ISDIGIT(i))
888 i -= '0';
889 else if (ASCII_ISLOWER(i))
890 i = CharOrdLow(i) + 10;
891 else if (ASCII_ISUPPER(i))
893 i = CharOrdUp(i) + 10;
894 y_append = TRUE;
896 else if (regname == '-')
897 i = DELETION_REGISTER;
898 #ifdef FEAT_CLIPBOARD
899 /* When selection is not available, use register 0 instead of '*' */
900 else if (clip_star.available && regname == '*')
901 i = STAR_REGISTER;
902 /* When clipboard is not available, use register 0 instead of '+' */
903 else if (clip_plus.available && regname == '+')
904 i = PLUS_REGISTER;
905 #endif
906 #ifdef FEAT_DND
907 else if (!writing && regname == '~')
908 i = TILDE_REGISTER;
909 #endif
910 else /* not 0-9, a-z, A-Z or '-': use register 0 */
911 i = 0;
912 y_current = &(y_regs[i]);
913 if (writing) /* remember the register we write into for do_put() */
914 y_previous = y_current;
917 #if defined(FEAT_CLIPBOARD) || defined(PROTO)
919 * When "regname" is a clipboard register, obtain the selection. If it's not
920 * available return zero, otherwise return "regname".
923 may_get_selection(regname)
924 int regname;
926 if (regname == '*')
928 if (!clip_star.available)
929 regname = 0;
930 else
931 clip_get_selection(&clip_star);
933 else if (regname == '+')
935 if (!clip_plus.available)
936 regname = 0;
937 else
938 clip_get_selection(&clip_plus);
940 return regname;
942 #endif
944 #if defined(FEAT_VISUAL) || defined(PROTO)
946 * Obtain the contents of a "normal" register. The register is made empty.
947 * The returned pointer has allocated memory, use put_register() later.
949 void *
950 get_register(name, copy)
951 int name;
952 int copy; /* make a copy, if FALSE make register empty. */
954 struct yankreg *reg;
955 int i;
957 #ifdef FEAT_CLIPBOARD
958 /* When Visual area changed, may have to update selection. Obtain the
959 * selection too. */
960 if (name == '*' && clip_star.available)
962 if (clip_isautosel())
963 clip_update_selection();
964 may_get_selection(name);
966 #endif
968 get_yank_register(name, 0);
969 reg = (struct yankreg *)alloc((unsigned)sizeof(struct yankreg));
970 if (reg != NULL)
972 *reg = *y_current;
973 if (copy)
975 /* If we run out of memory some or all of the lines are empty. */
976 if (reg->y_size == 0)
977 reg->y_array = NULL;
978 else
979 reg->y_array = (char_u **)alloc((unsigned)(sizeof(char_u *)
980 * reg->y_size));
981 if (reg->y_array != NULL)
983 for (i = 0; i < reg->y_size; ++i)
984 reg->y_array[i] = vim_strsave(y_current->y_array[i]);
987 else
988 y_current->y_array = NULL;
990 return (void *)reg;
994 * Put "reg" into register "name". Free any previous contents and "reg".
996 void
997 put_register(name, reg)
998 int name;
999 void *reg;
1001 get_yank_register(name, 0);
1002 free_yank_all();
1003 *y_current = *(struct yankreg *)reg;
1004 vim_free(reg);
1006 # ifdef FEAT_CLIPBOARD
1007 /* Send text written to clipboard register to the clipboard. */
1008 may_set_selection();
1009 # endif
1011 #endif
1013 #if defined(FEAT_MOUSE) || defined(PROTO)
1015 * return TRUE if the current yank register has type MLINE
1018 yank_register_mline(regname)
1019 int regname;
1021 if (regname != 0 && !valid_yank_reg(regname, FALSE))
1022 return FALSE;
1023 if (regname == '_') /* black hole is always empty */
1024 return FALSE;
1025 get_yank_register(regname, FALSE);
1026 return (y_current->y_type == MLINE);
1028 #endif
1031 * Start or stop recording into a yank register.
1033 * Return FAIL for failure, OK otherwise.
1036 do_record(c)
1037 int c;
1039 char_u *p;
1040 static int regname;
1041 struct yankreg *old_y_previous, *old_y_current;
1042 int retval;
1044 if (Recording == FALSE) /* start recording */
1046 /* registers 0-9, a-z and " are allowed */
1047 if (c < 0 || (!ASCII_ISALNUM(c) && c != '"'))
1048 retval = FAIL;
1049 else
1051 Recording = TRUE;
1052 showmode();
1053 regname = c;
1054 retval = OK;
1057 else /* stop recording */
1060 * Get the recorded key hits. K_SPECIAL and CSI will be escaped, this
1061 * needs to be removed again to put it in a register. exec_reg then
1062 * adds the escaping back later.
1064 Recording = FALSE;
1065 MSG("");
1066 p = get_recorded();
1067 if (p == NULL)
1068 retval = FAIL;
1069 else
1071 /* Remove escaping for CSI and K_SPECIAL in multi-byte chars. */
1072 vim_unescape_csi(p);
1075 * We don't want to change the default register here, so save and
1076 * restore the current register name.
1078 old_y_previous = y_previous;
1079 old_y_current = y_current;
1081 retval = stuff_yank(regname, p);
1083 y_previous = old_y_previous;
1084 y_current = old_y_current;
1087 return retval;
1091 * Stuff string "p" into yank register "regname" as a single line (append if
1092 * uppercase). "p" must have been alloced.
1094 * return FAIL for failure, OK otherwise
1096 static int
1097 stuff_yank(regname, p)
1098 int regname;
1099 char_u *p;
1101 char_u *lp;
1102 char_u **pp;
1104 /* check for read-only register */
1105 if (regname != 0 && !valid_yank_reg(regname, TRUE))
1107 vim_free(p);
1108 return FAIL;
1110 if (regname == '_') /* black hole: don't do anything */
1112 vim_free(p);
1113 return OK;
1115 get_yank_register(regname, TRUE);
1116 if (y_append && y_current->y_array != NULL)
1118 pp = &(y_current->y_array[y_current->y_size - 1]);
1119 lp = lalloc((long_u)(STRLEN(*pp) + STRLEN(p) + 1), TRUE);
1120 if (lp == NULL)
1122 vim_free(p);
1123 return FAIL;
1125 STRCPY(lp, *pp);
1126 STRCAT(lp, p);
1127 vim_free(p);
1128 vim_free(*pp);
1129 *pp = lp;
1131 else
1133 free_yank_all();
1134 if ((y_current->y_array =
1135 (char_u **)alloc((unsigned)sizeof(char_u *))) == NULL)
1137 vim_free(p);
1138 return FAIL;
1140 y_current->y_array[0] = p;
1141 y_current->y_size = 1;
1142 y_current->y_type = MCHAR; /* used to be MLINE, why? */
1144 return OK;
1147 static int execreg_lastc = NUL;
1150 * execute a yank register: copy it into the stuff buffer
1152 * return FAIL for failure, OK otherwise
1155 do_execreg(regname, colon, addcr, silent)
1156 int regname;
1157 int colon; /* insert ':' before each line */
1158 int addcr; /* always add '\n' to end of line */
1159 int silent; /* set "silent" flag in typeahead buffer */
1161 long i;
1162 char_u *p;
1163 int retval = OK;
1164 int remap;
1166 if (regname == '@') /* repeat previous one */
1168 if (execreg_lastc == NUL)
1170 EMSG(_("E748: No previously used register"));
1171 return FAIL;
1173 regname = execreg_lastc;
1175 /* check for valid regname */
1176 if (regname == '%' || regname == '#' || !valid_yank_reg(regname, FALSE))
1178 emsg_invreg(regname);
1179 return FAIL;
1181 execreg_lastc = regname;
1183 #ifdef FEAT_CLIPBOARD
1184 regname = may_get_selection(regname);
1185 #endif
1187 if (regname == '_') /* black hole: don't stuff anything */
1188 return OK;
1190 #ifdef FEAT_CMDHIST
1191 if (regname == ':') /* use last command line */
1193 if (last_cmdline == NULL)
1195 EMSG(_(e_nolastcmd));
1196 return FAIL;
1198 vim_free(new_last_cmdline); /* don't keep the cmdline containing @: */
1199 new_last_cmdline = NULL;
1200 /* Escape all control characters with a CTRL-V */
1201 p = vim_strsave_escaped_ext(last_cmdline,
1202 (char_u *)"\001\002\003\004\005\006\007\010\011\012\013\014\015\016\017\020\021\022\023\024\025\026\027\030\031\032\033\034\035\036\037", Ctrl_V, FALSE);
1203 if (p != NULL)
1205 /* When in Visual mode "'<,'>" will be prepended to the command.
1206 * Remove it when it's already there. */
1207 if (VIsual_active && STRNCMP(p, "'<,'>", 5) == 0)
1208 retval = put_in_typebuf(p + 5, TRUE, TRUE, silent);
1209 else
1210 retval = put_in_typebuf(p, TRUE, TRUE, silent);
1212 vim_free(p);
1214 #endif
1215 #ifdef FEAT_EVAL
1216 else if (regname == '=')
1218 p = get_expr_line();
1219 if (p == NULL)
1220 return FAIL;
1221 retval = put_in_typebuf(p, TRUE, colon, silent);
1222 vim_free(p);
1224 #endif
1225 else if (regname == '.') /* use last inserted text */
1227 p = get_last_insert_save();
1228 if (p == NULL)
1230 EMSG(_(e_noinstext));
1231 return FAIL;
1233 retval = put_in_typebuf(p, FALSE, colon, silent);
1234 vim_free(p);
1236 else
1238 get_yank_register(regname, FALSE);
1239 if (y_current->y_array == NULL)
1240 return FAIL;
1242 /* Disallow remaping for ":@r". */
1243 remap = colon ? REMAP_NONE : REMAP_YES;
1246 * Insert lines into typeahead buffer, from last one to first one.
1248 put_reedit_in_typebuf(silent);
1249 for (i = y_current->y_size; --i >= 0; )
1251 char_u *escaped;
1253 /* insert NL between lines and after last line if type is MLINE */
1254 if (y_current->y_type == MLINE || i < y_current->y_size - 1
1255 || addcr)
1257 if (ins_typebuf((char_u *)"\n", remap, 0, TRUE, silent) == FAIL)
1258 return FAIL;
1260 escaped = vim_strsave_escape_csi(y_current->y_array[i]);
1261 if (escaped == NULL)
1262 return FAIL;
1263 retval = ins_typebuf(escaped, remap, 0, TRUE, silent);
1264 vim_free(escaped);
1265 if (retval == FAIL)
1266 return FAIL;
1267 if (colon && ins_typebuf((char_u *)":", remap, 0, TRUE, silent)
1268 == FAIL)
1269 return FAIL;
1271 Exec_reg = TRUE; /* disable the 'q' command */
1273 return retval;
1277 * If "restart_edit" is not zero, put it in the typeahead buffer, so that it's
1278 * used only after other typeahead has been processed.
1280 static void
1281 put_reedit_in_typebuf(silent)
1282 int silent;
1284 char_u buf[3];
1286 if (restart_edit != NUL)
1288 if (restart_edit == 'V')
1290 buf[0] = 'g';
1291 buf[1] = 'R';
1292 buf[2] = NUL;
1294 else
1296 buf[0] = restart_edit == 'I' ? 'i' : restart_edit;
1297 buf[1] = NUL;
1299 if (ins_typebuf(buf, REMAP_NONE, 0, TRUE, silent) == OK)
1300 restart_edit = NUL;
1305 * Insert register contents "s" into the typeahead buffer, so that it will be
1306 * executed again.
1307 * When "esc" is TRUE it is to be taken literally: Escape CSI characters and
1308 * no remapping.
1310 static int
1311 put_in_typebuf(s, esc, colon, silent)
1312 char_u *s;
1313 int esc;
1314 int colon; /* add ':' before the line */
1315 int silent;
1317 int retval = OK;
1319 put_reedit_in_typebuf(silent);
1320 if (colon)
1321 retval = ins_typebuf((char_u *)"\n", REMAP_NONE, 0, TRUE, silent);
1322 if (retval == OK)
1324 char_u *p;
1326 if (esc)
1327 p = vim_strsave_escape_csi(s);
1328 else
1329 p = s;
1330 if (p == NULL)
1331 retval = FAIL;
1332 else
1333 retval = ins_typebuf(p, esc ? REMAP_NONE : REMAP_YES,
1334 0, TRUE, silent);
1335 if (esc)
1336 vim_free(p);
1338 if (colon && retval == OK)
1339 retval = ins_typebuf((char_u *)":", REMAP_NONE, 0, TRUE, silent);
1340 return retval;
1344 * Insert a yank register: copy it into the Read buffer.
1345 * Used by CTRL-R command and middle mouse button in insert mode.
1347 * return FAIL for failure, OK otherwise
1350 insert_reg(regname, literally)
1351 int regname;
1352 int literally; /* insert literally, not as if typed */
1354 long i;
1355 int retval = OK;
1356 char_u *arg;
1357 int allocated;
1360 * It is possible to get into an endless loop by having CTRL-R a in
1361 * register a and then, in insert mode, doing CTRL-R a.
1362 * If you hit CTRL-C, the loop will be broken here.
1364 ui_breakcheck();
1365 if (got_int)
1366 return FAIL;
1368 /* check for valid regname */
1369 if (regname != NUL && !valid_yank_reg(regname, FALSE))
1370 return FAIL;
1372 #ifdef FEAT_CLIPBOARD
1373 regname = may_get_selection(regname);
1374 #endif
1376 if (regname == '.') /* insert last inserted text */
1377 retval = stuff_inserted(NUL, 1L, TRUE);
1378 else if (get_spec_reg(regname, &arg, &allocated, TRUE))
1380 if (arg == NULL)
1381 return FAIL;
1382 stuffescaped(arg, literally);
1383 if (allocated)
1384 vim_free(arg);
1386 else /* name or number register */
1388 get_yank_register(regname, FALSE);
1389 if (y_current->y_array == NULL)
1390 retval = FAIL;
1391 else
1393 for (i = 0; i < y_current->y_size; ++i)
1395 stuffescaped(y_current->y_array[i], literally);
1397 * Insert a newline between lines and after last line if
1398 * y_type is MLINE.
1400 if (y_current->y_type == MLINE || i < y_current->y_size - 1)
1401 stuffcharReadbuff('\n');
1406 return retval;
1410 * Stuff a string into the typeahead buffer, such that edit() will insert it
1411 * literally ("literally" TRUE) or interpret is as typed characters.
1413 static void
1414 stuffescaped(arg, literally)
1415 char_u *arg;
1416 int literally;
1418 int c;
1419 char_u *start;
1421 while (*arg != NUL)
1423 /* Stuff a sequence of normal ASCII characters, that's fast. Also
1424 * stuff K_SPECIAL to get the effect of a special key when "literally"
1425 * is TRUE. */
1426 start = arg;
1427 while ((*arg >= ' '
1428 #ifndef EBCDIC
1429 && *arg < DEL /* EBCDIC: chars above space are normal */
1430 #endif
1432 || (*arg == K_SPECIAL && !literally))
1433 ++arg;
1434 if (arg > start)
1435 stuffReadbuffLen(start, (long)(arg - start));
1437 /* stuff a single special character */
1438 if (*arg != NUL)
1440 #ifdef FEAT_MBYTE
1441 if (has_mbyte)
1442 c = mb_ptr2char_adv(&arg);
1443 else
1444 #endif
1445 c = *arg++;
1446 if (literally && ((c < ' ' && c != TAB) || c == DEL))
1447 stuffcharReadbuff(Ctrl_V);
1448 stuffcharReadbuff(c);
1454 * If "regname" is a special register, return TRUE and store a pointer to its
1455 * value in "argp".
1458 get_spec_reg(regname, argp, allocated, errmsg)
1459 int regname;
1460 char_u **argp;
1461 int *allocated; /* return: TRUE when value was allocated */
1462 int errmsg; /* give error message when failing */
1464 int cnt;
1466 *argp = NULL;
1467 *allocated = FALSE;
1468 switch (regname)
1470 case '%': /* file name */
1471 if (errmsg)
1472 check_fname(); /* will give emsg if not set */
1473 *argp = curbuf->b_fname;
1474 return TRUE;
1476 case '#': /* alternate file name */
1477 *argp = getaltfname(errmsg); /* may give emsg if not set */
1478 return TRUE;
1480 #ifdef FEAT_EVAL
1481 case '=': /* result of expression */
1482 *argp = get_expr_line();
1483 *allocated = TRUE;
1484 return TRUE;
1485 #endif
1487 case ':': /* last command line */
1488 if (last_cmdline == NULL && errmsg)
1489 EMSG(_(e_nolastcmd));
1490 *argp = last_cmdline;
1491 return TRUE;
1493 case '/': /* last search-pattern */
1494 if (last_search_pat() == NULL && errmsg)
1495 EMSG(_(e_noprevre));
1496 *argp = last_search_pat();
1497 return TRUE;
1499 case '.': /* last inserted text */
1500 *argp = get_last_insert_save();
1501 *allocated = TRUE;
1502 if (*argp == NULL && errmsg)
1503 EMSG(_(e_noinstext));
1504 return TRUE;
1506 #ifdef FEAT_SEARCHPATH
1507 case Ctrl_F: /* Filename under cursor */
1508 case Ctrl_P: /* Path under cursor, expand via "path" */
1509 if (!errmsg)
1510 return FALSE;
1511 *argp = file_name_at_cursor(FNAME_MESS | FNAME_HYP
1512 | (regname == Ctrl_P ? FNAME_EXP : 0), 1L, NULL);
1513 *allocated = TRUE;
1514 return TRUE;
1515 #endif
1517 case Ctrl_W: /* word under cursor */
1518 case Ctrl_A: /* WORD (mnemonic All) under cursor */
1519 if (!errmsg)
1520 return FALSE;
1521 cnt = find_ident_under_cursor(argp, regname == Ctrl_W
1522 ? (FIND_IDENT|FIND_STRING) : FIND_STRING);
1523 *argp = cnt ? vim_strnsave(*argp, cnt) : NULL;
1524 *allocated = TRUE;
1525 return TRUE;
1527 case '_': /* black hole: always empty */
1528 *argp = (char_u *)"";
1529 return TRUE;
1532 return FALSE;
1536 * Paste a yank register into the command line.
1537 * Only for non-special registers.
1538 * Used by CTRL-R command in command-line mode
1539 * insert_reg() can't be used here, because special characters from the
1540 * register contents will be interpreted as commands.
1542 * return FAIL for failure, OK otherwise
1545 cmdline_paste_reg(regname, literally, remcr)
1546 int regname;
1547 int literally; /* Insert text literally instead of "as typed" */
1548 int remcr; /* don't add trailing CR */
1550 long i;
1552 get_yank_register(regname, FALSE);
1553 if (y_current->y_array == NULL)
1554 return FAIL;
1556 for (i = 0; i < y_current->y_size; ++i)
1558 cmdline_paste_str(y_current->y_array[i], literally);
1560 /* Insert ^M between lines and after last line if type is MLINE.
1561 * Don't do this when "remcr" is TRUE and the next line is empty. */
1562 if (y_current->y_type == MLINE
1563 || (i < y_current->y_size - 1
1564 && !(remcr
1565 && i == y_current->y_size - 2
1566 && *y_current->y_array[i + 1] == NUL)))
1567 cmdline_paste_str((char_u *)"\r", literally);
1569 /* Check for CTRL-C, in case someone tries to paste a few thousand
1570 * lines and gets bored. */
1571 ui_breakcheck();
1572 if (got_int)
1573 return FAIL;
1575 return OK;
1578 #if defined(FEAT_CLIPBOARD) || defined(PROTO)
1580 * Adjust the register name pointed to with "rp" for the clipboard being
1581 * used always and the clipboard being available.
1583 void
1584 adjust_clip_reg(rp)
1585 int *rp;
1587 /* If no reg. specified, and "unnamed" is in 'clipboard', use '*' reg. */
1588 if (*rp == 0 && clip_unnamed)
1589 *rp = '*';
1590 if (!clip_star.available && *rp == '*')
1591 *rp = 0;
1592 if (!clip_plus.available && *rp == '+')
1593 *rp = 0;
1595 #endif
1598 * op_delete - handle a delete operation
1600 * return FAIL if undo failed, OK otherwise.
1603 op_delete(oap)
1604 oparg_T *oap;
1606 int n;
1607 linenr_T lnum;
1608 char_u *ptr;
1609 #ifdef FEAT_VISUAL
1610 char_u *newp, *oldp;
1611 struct block_def bd;
1612 #endif
1613 linenr_T old_lcount = curbuf->b_ml.ml_line_count;
1614 int did_yank = FALSE;
1616 if (curbuf->b_ml.ml_flags & ML_EMPTY) /* nothing to do */
1617 return OK;
1619 /* Nothing to delete, return here. Do prepare undo, for op_change(). */
1620 if (oap->empty)
1621 return u_save_cursor();
1623 if (!curbuf->b_p_ma)
1625 EMSG(_(e_modifiable));
1626 return FAIL;
1629 #ifdef FEAT_CLIPBOARD
1630 adjust_clip_reg(&oap->regname);
1631 #endif
1633 #ifdef FEAT_MBYTE
1634 if (has_mbyte)
1635 mb_adjust_opend(oap);
1636 #endif
1639 * Imitate the strange Vi behaviour: If the delete spans more than one line
1640 * and motion_type == MCHAR and the result is a blank line, make the delete
1641 * linewise. Don't do this for the change command or Visual mode.
1643 if ( oap->motion_type == MCHAR
1644 #ifdef FEAT_VISUAL
1645 && !oap->is_VIsual
1646 && !oap->block_mode
1647 #endif
1648 && oap->line_count > 1
1649 && oap->op_type == OP_DELETE)
1651 ptr = ml_get(oap->end.lnum) + oap->end.col + oap->inclusive;
1652 ptr = skipwhite(ptr);
1653 if (*ptr == NUL && inindent(0))
1654 oap->motion_type = MLINE;
1658 * Check for trying to delete (e.g. "D") in an empty line.
1659 * Note: For the change operator it is ok.
1661 if ( oap->motion_type == MCHAR
1662 && oap->line_count == 1
1663 && oap->op_type == OP_DELETE
1664 && *ml_get(oap->start.lnum) == NUL)
1667 * It's an error to operate on an empty region, when 'E' included in
1668 * 'cpoptions' (Vi compatible).
1670 #ifdef FEAT_VIRTUALEDIT
1671 if (virtual_op)
1672 /* Virtual editing: Nothing gets deleted, but we set the '[ and ']
1673 * marks as if it happened. */
1674 goto setmarks;
1675 #endif
1676 if (vim_strchr(p_cpo, CPO_EMPTYREGION) != NULL)
1677 beep_flush();
1678 return OK;
1682 * Do a yank of whatever we're about to delete.
1683 * If a yank register was specified, put the deleted text into that register.
1684 * For the black hole register '_' don't yank anything.
1686 if (oap->regname != '_')
1688 if (oap->regname != 0)
1690 /* check for read-only register */
1691 if (!valid_yank_reg(oap->regname, TRUE))
1693 beep_flush();
1694 return OK;
1696 get_yank_register(oap->regname, TRUE); /* yank into specif'd reg. */
1697 if (op_yank(oap, TRUE, FALSE) == OK) /* yank without message */
1698 did_yank = TRUE;
1702 * Put deleted text into register 1 and shift number registers if the
1703 * delete contains a line break, or when a regname has been specified.
1705 if (oap->regname != 0 || oap->motion_type == MLINE
1706 || oap->line_count > 1 || oap->use_reg_one)
1708 y_current = &y_regs[9];
1709 free_yank_all(); /* free register nine */
1710 for (n = 9; n > 1; --n)
1711 y_regs[n] = y_regs[n - 1];
1712 y_previous = y_current = &y_regs[1];
1713 y_regs[1].y_array = NULL; /* set register one to empty */
1714 if (op_yank(oap, TRUE, FALSE) == OK)
1715 did_yank = TRUE;
1718 /* Yank into small delete register when no register specified and the
1719 * delete is within one line. */
1720 if (oap->regname == 0 && oap->motion_type != MLINE
1721 && oap->line_count == 1)
1723 oap->regname = '-';
1724 get_yank_register(oap->regname, TRUE);
1725 if (op_yank(oap, TRUE, FALSE) == OK)
1726 did_yank = TRUE;
1727 oap->regname = 0;
1731 * If there's too much stuff to fit in the yank register, then get a
1732 * confirmation before doing the delete. This is crude, but simple.
1733 * And it avoids doing a delete of something we can't put back if we
1734 * want.
1736 if (!did_yank)
1738 int msg_silent_save = msg_silent;
1740 msg_silent = 0; /* must display the prompt */
1741 n = ask_yesno((char_u *)_("cannot yank; delete anyway"), TRUE);
1742 msg_silent = msg_silent_save;
1743 if (n != 'y')
1745 EMSG(_(e_abort));
1746 return FAIL;
1751 #ifdef FEAT_VISUAL
1753 * block mode delete
1755 if (oap->block_mode)
1757 if (u_save((linenr_T)(oap->start.lnum - 1),
1758 (linenr_T)(oap->end.lnum + 1)) == FAIL)
1759 return FAIL;
1761 for (lnum = curwin->w_cursor.lnum; lnum <= oap->end.lnum; ++lnum)
1763 block_prep(oap, &bd, lnum, TRUE);
1764 if (bd.textlen == 0) /* nothing to delete */
1765 continue;
1767 /* Adjust cursor position for tab replaced by spaces and 'lbr'. */
1768 if (lnum == curwin->w_cursor.lnum)
1770 curwin->w_cursor.col = bd.textcol + bd.startspaces;
1771 # ifdef FEAT_VIRTUALEDIT
1772 curwin->w_cursor.coladd = 0;
1773 # endif
1776 /* n == number of chars deleted
1777 * If we delete a TAB, it may be replaced by several characters.
1778 * Thus the number of characters may increase!
1780 n = bd.textlen - bd.startspaces - bd.endspaces;
1781 oldp = ml_get(lnum);
1782 newp = alloc_check((unsigned)STRLEN(oldp) + 1 - n);
1783 if (newp == NULL)
1784 continue;
1785 /* copy up to deleted part */
1786 mch_memmove(newp, oldp, (size_t)bd.textcol);
1787 /* insert spaces */
1788 copy_spaces(newp + bd.textcol,
1789 (size_t)(bd.startspaces + bd.endspaces));
1790 /* copy the part after the deleted part */
1791 oldp += bd.textcol + bd.textlen;
1792 STRMOVE(newp + bd.textcol + bd.startspaces + bd.endspaces, oldp);
1793 /* replace the line */
1794 ml_replace(lnum, newp, FALSE);
1797 check_cursor_col();
1798 changed_lines(curwin->w_cursor.lnum, curwin->w_cursor.col,
1799 oap->end.lnum + 1, 0L);
1800 oap->line_count = 0; /* no lines deleted */
1802 else
1803 #endif
1804 if (oap->motion_type == MLINE)
1806 if (oap->op_type == OP_CHANGE)
1808 /* Delete the lines except the first one. Temporarily move the
1809 * cursor to the next line. Save the current line number, if the
1810 * last line is deleted it may be changed.
1812 if (oap->line_count > 1)
1814 lnum = curwin->w_cursor.lnum;
1815 ++curwin->w_cursor.lnum;
1816 del_lines((long)(oap->line_count - 1), TRUE);
1817 curwin->w_cursor.lnum = lnum;
1819 if (u_save_cursor() == FAIL)
1820 return FAIL;
1821 if (curbuf->b_p_ai) /* don't delete indent */
1823 beginline(BL_WHITE); /* cursor on first non-white */
1824 did_ai = TRUE; /* delete the indent when ESC hit */
1825 ai_col = curwin->w_cursor.col;
1827 else
1828 beginline(0); /* cursor in column 0 */
1829 truncate_line(FALSE); /* delete the rest of the line */
1830 /* leave cursor past last char in line */
1831 if (oap->line_count > 1)
1832 u_clearline(); /* "U" command not possible after "2cc" */
1834 else
1836 del_lines(oap->line_count, TRUE);
1837 beginline(BL_WHITE | BL_FIX);
1838 u_clearline(); /* "U" command not possible after "dd" */
1841 else
1843 #ifdef FEAT_VIRTUALEDIT
1844 if (virtual_op)
1846 int endcol = 0;
1848 /* For virtualedit: break the tabs that are partly included. */
1849 if (gchar_pos(&oap->start) == '\t')
1851 if (u_save_cursor() == FAIL) /* save first line for undo */
1852 return FAIL;
1853 if (oap->line_count == 1)
1854 endcol = getviscol2(oap->end.col, oap->end.coladd);
1855 coladvance_force(getviscol2(oap->start.col, oap->start.coladd));
1856 oap->start = curwin->w_cursor;
1857 if (oap->line_count == 1)
1859 coladvance(endcol);
1860 oap->end.col = curwin->w_cursor.col;
1861 oap->end.coladd = curwin->w_cursor.coladd;
1862 curwin->w_cursor = oap->start;
1866 /* Break a tab only when it's included in the area. */
1867 if (gchar_pos(&oap->end) == '\t'
1868 && (int)oap->end.coladd < oap->inclusive)
1870 /* save last line for undo */
1871 if (u_save((linenr_T)(oap->end.lnum - 1),
1872 (linenr_T)(oap->end.lnum + 1)) == FAIL)
1873 return FAIL;
1874 curwin->w_cursor = oap->end;
1875 coladvance_force(getviscol2(oap->end.col, oap->end.coladd));
1876 oap->end = curwin->w_cursor;
1877 curwin->w_cursor = oap->start;
1880 #endif
1882 if (oap->line_count == 1) /* delete characters within one line */
1884 if (u_save_cursor() == FAIL) /* save line for undo */
1885 return FAIL;
1887 /* if 'cpoptions' contains '$', display '$' at end of change */
1888 if ( vim_strchr(p_cpo, CPO_DOLLAR) != NULL
1889 && oap->op_type == OP_CHANGE
1890 && oap->end.lnum == curwin->w_cursor.lnum
1891 #ifdef FEAT_VISUAL
1892 && !oap->is_VIsual
1893 #endif
1895 display_dollar(oap->end.col - !oap->inclusive);
1897 n = oap->end.col - oap->start.col + 1 - !oap->inclusive;
1899 #ifdef FEAT_VIRTUALEDIT
1900 if (virtual_op)
1902 /* fix up things for virtualedit-delete:
1903 * break the tabs which are going to get in our way
1905 char_u *curline = ml_get_curline();
1906 int len = (int)STRLEN(curline);
1908 if (oap->end.coladd != 0
1909 && (int)oap->end.col >= len - 1
1910 && !(oap->start.coladd && (int)oap->end.col >= len - 1))
1911 n++;
1912 /* Delete at least one char (e.g, when on a control char). */
1913 if (n == 0 && oap->start.coladd != oap->end.coladd)
1914 n = 1;
1916 /* When deleted a char in the line, reset coladd. */
1917 if (gchar_cursor() != NUL)
1918 curwin->w_cursor.coladd = 0;
1920 #endif
1921 (void)del_bytes((long)n, !virtual_op, oap->op_type == OP_DELETE
1922 #ifdef FEAT_VISUAL
1923 && !oap->is_VIsual
1924 #endif
1927 else /* delete characters between lines */
1929 pos_T curpos;
1931 /* save deleted and changed lines for undo */
1932 if (u_save((linenr_T)(curwin->w_cursor.lnum - 1),
1933 (linenr_T)(curwin->w_cursor.lnum + oap->line_count)) == FAIL)
1934 return FAIL;
1936 truncate_line(TRUE); /* delete from cursor to end of line */
1938 curpos = curwin->w_cursor; /* remember curwin->w_cursor */
1939 ++curwin->w_cursor.lnum;
1940 del_lines((long)(oap->line_count - 2), FALSE);
1942 /* delete from start of line until op_end */
1943 curwin->w_cursor.col = 0;
1944 (void)del_bytes((long)(oap->end.col + 1 - !oap->inclusive),
1945 !virtual_op, oap->op_type == OP_DELETE
1946 #ifdef FEAT_VISUAL
1947 && !oap->is_VIsual
1948 #endif
1950 curwin->w_cursor = curpos; /* restore curwin->w_cursor */
1952 (void)do_join(FALSE);
1956 msgmore(curbuf->b_ml.ml_line_count - old_lcount);
1958 #ifdef FEAT_VIRTUALEDIT
1959 setmarks:
1960 #endif
1961 #ifdef FEAT_VISUAL
1962 if (oap->block_mode)
1964 curbuf->b_op_end.lnum = oap->end.lnum;
1965 curbuf->b_op_end.col = oap->start.col;
1967 else
1968 #endif
1969 curbuf->b_op_end = oap->start;
1970 curbuf->b_op_start = oap->start;
1972 return OK;
1975 #ifdef FEAT_MBYTE
1977 * Adjust end of operating area for ending on a multi-byte character.
1978 * Used for deletion.
1980 static void
1981 mb_adjust_opend(oap)
1982 oparg_T *oap;
1984 char_u *p;
1986 if (oap->inclusive)
1988 p = ml_get(oap->end.lnum);
1989 oap->end.col += mb_tail_off(p, p + oap->end.col);
1992 #endif
1994 #if defined(FEAT_VISUALEXTRA) || defined(PROTO)
1996 * Replace a whole area with one character.
1999 op_replace(oap, c)
2000 oparg_T *oap;
2001 int c;
2003 int n, numc;
2004 #ifdef FEAT_MBYTE
2005 int num_chars;
2006 #endif
2007 char_u *newp, *oldp;
2008 size_t oldlen;
2009 struct block_def bd;
2011 if ((curbuf->b_ml.ml_flags & ML_EMPTY ) || oap->empty)
2012 return OK; /* nothing to do */
2014 #ifdef FEAT_MBYTE
2015 if (has_mbyte)
2016 mb_adjust_opend(oap);
2017 #endif
2019 if (u_save((linenr_T)(oap->start.lnum - 1),
2020 (linenr_T)(oap->end.lnum + 1)) == FAIL)
2021 return FAIL;
2024 * block mode replace
2026 if (oap->block_mode)
2028 bd.is_MAX = (curwin->w_curswant == MAXCOL);
2029 for ( ; curwin->w_cursor.lnum <= oap->end.lnum; ++curwin->w_cursor.lnum)
2031 curwin->w_cursor.col = 0; /* make sure cursor position is valid */
2032 block_prep(oap, &bd, curwin->w_cursor.lnum, TRUE);
2033 if (bd.textlen == 0 && (!virtual_op || bd.is_MAX))
2034 continue; /* nothing to replace */
2036 /* n == number of extra chars required
2037 * If we split a TAB, it may be replaced by several characters.
2038 * Thus the number of characters may increase!
2040 #ifdef FEAT_VIRTUALEDIT
2041 /* If the range starts in virtual space, count the initial
2042 * coladd offset as part of "startspaces" */
2043 if (virtual_op && bd.is_short && *bd.textstart == NUL)
2045 pos_T vpos;
2047 vpos.lnum = curwin->w_cursor.lnum;
2048 getvpos(&vpos, oap->start_vcol);
2049 bd.startspaces += vpos.coladd;
2050 n = bd.startspaces;
2052 else
2053 #endif
2054 /* allow for pre spaces */
2055 n = (bd.startspaces ? bd.start_char_vcols - 1 : 0);
2057 /* allow for post spp */
2058 n += (bd.endspaces
2059 #ifdef FEAT_VIRTUALEDIT
2060 && !bd.is_oneChar
2061 #endif
2062 && bd.end_char_vcols > 0) ? bd.end_char_vcols - 1 : 0;
2063 /* Figure out how many characters to replace. */
2064 numc = oap->end_vcol - oap->start_vcol + 1;
2065 if (bd.is_short && (!virtual_op || bd.is_MAX))
2066 numc -= (oap->end_vcol - bd.end_vcol) + 1;
2068 #ifdef FEAT_MBYTE
2069 /* A double-wide character can be replaced only up to half the
2070 * times. */
2071 if ((*mb_char2cells)(c) > 1)
2073 if ((numc & 1) && !bd.is_short)
2075 ++bd.endspaces;
2076 ++n;
2078 numc = numc / 2;
2081 /* Compute bytes needed, move character count to num_chars. */
2082 num_chars = numc;
2083 numc *= (*mb_char2len)(c);
2084 #endif
2085 /* oldlen includes textlen, so don't double count */
2086 n += numc - bd.textlen;
2088 oldp = ml_get_curline();
2089 oldlen = STRLEN(oldp);
2090 newp = alloc_check((unsigned)oldlen + 1 + n);
2091 if (newp == NULL)
2092 continue;
2093 vim_memset(newp, NUL, (size_t)(oldlen + 1 + n));
2094 /* copy up to deleted part */
2095 mch_memmove(newp, oldp, (size_t)bd.textcol);
2096 oldp += bd.textcol + bd.textlen;
2097 /* insert pre-spaces */
2098 copy_spaces(newp + bd.textcol, (size_t)bd.startspaces);
2099 /* insert replacement chars CHECK FOR ALLOCATED SPACE */
2100 #ifdef FEAT_MBYTE
2101 if (has_mbyte)
2103 n = (int)STRLEN(newp);
2104 while (--num_chars >= 0)
2105 n += (*mb_char2bytes)(c, newp + n);
2107 else
2108 #endif
2109 copy_chars(newp + STRLEN(newp), (size_t)numc, c);
2110 if (!bd.is_short)
2112 /* insert post-spaces */
2113 copy_spaces(newp + STRLEN(newp), (size_t)bd.endspaces);
2114 /* copy the part after the changed part */
2115 STRMOVE(newp + STRLEN(newp), oldp);
2117 /* replace the line */
2118 ml_replace(curwin->w_cursor.lnum, newp, FALSE);
2121 else
2124 * MCHAR and MLINE motion replace.
2126 if (oap->motion_type == MLINE)
2128 oap->start.col = 0;
2129 curwin->w_cursor.col = 0;
2130 oap->end.col = (colnr_T)STRLEN(ml_get(oap->end.lnum));
2131 if (oap->end.col)
2132 --oap->end.col;
2134 else if (!oap->inclusive)
2135 dec(&(oap->end));
2137 while (ltoreq(curwin->w_cursor, oap->end))
2139 n = gchar_cursor();
2140 if (n != NUL)
2142 #ifdef FEAT_MBYTE
2143 if ((*mb_char2len)(c) > 1 || (*mb_char2len)(n) > 1)
2145 /* This is slow, but it handles replacing a single-byte
2146 * with a multi-byte and the other way around. */
2147 oap->end.col += (*mb_char2len)(c) - (*mb_char2len)(n);
2148 n = State;
2149 State = REPLACE;
2150 ins_char(c);
2151 State = n;
2152 /* Backup to the replaced character. */
2153 dec_cursor();
2155 else
2156 #endif
2158 #ifdef FEAT_VIRTUALEDIT
2159 if (n == TAB)
2161 int end_vcol = 0;
2163 if (curwin->w_cursor.lnum == oap->end.lnum)
2165 /* oap->end has to be recalculated when
2166 * the tab breaks */
2167 end_vcol = getviscol2(oap->end.col,
2168 oap->end.coladd);
2170 coladvance_force(getviscol());
2171 if (curwin->w_cursor.lnum == oap->end.lnum)
2172 getvpos(&oap->end, end_vcol);
2174 #endif
2175 pchar(curwin->w_cursor, c);
2178 #ifdef FEAT_VIRTUALEDIT
2179 else if (virtual_op && curwin->w_cursor.lnum == oap->end.lnum)
2181 int virtcols = oap->end.coladd;
2183 if (curwin->w_cursor.lnum == oap->start.lnum
2184 && oap->start.col == oap->end.col && oap->start.coladd)
2185 virtcols -= oap->start.coladd;
2187 /* oap->end has been trimmed so it's effectively inclusive;
2188 * as a result an extra +1 must be counted so we don't
2189 * trample the NUL byte. */
2190 coladvance_force(getviscol2(oap->end.col, oap->end.coladd) + 1);
2191 curwin->w_cursor.col -= (virtcols + 1);
2192 for (; virtcols >= 0; virtcols--)
2194 pchar(curwin->w_cursor, c);
2195 if (inc(&curwin->w_cursor) == -1)
2196 break;
2199 #endif
2201 /* Advance to next character, stop at the end of the file. */
2202 if (inc_cursor() == -1)
2203 break;
2207 curwin->w_cursor = oap->start;
2208 check_cursor();
2209 changed_lines(oap->start.lnum, oap->start.col, oap->end.lnum + 1, 0L);
2211 /* Set "'[" and "']" marks. */
2212 curbuf->b_op_start = oap->start;
2213 curbuf->b_op_end = oap->end;
2215 return OK;
2217 #endif
2219 static int swapchars __ARGS((int op_type, pos_T *pos, int length));
2222 * Handle the (non-standard vi) tilde operator. Also for "gu", "gU" and "g?".
2224 void
2225 op_tilde(oap)
2226 oparg_T *oap;
2228 pos_T pos;
2229 #ifdef FEAT_VISUAL
2230 struct block_def bd;
2231 #endif
2232 int did_change = FALSE;
2234 if (u_save((linenr_T)(oap->start.lnum - 1),
2235 (linenr_T)(oap->end.lnum + 1)) == FAIL)
2236 return;
2238 pos = oap->start;
2239 #ifdef FEAT_VISUAL
2240 if (oap->block_mode) /* Visual block mode */
2242 for (; pos.lnum <= oap->end.lnum; ++pos.lnum)
2244 int one_change;
2246 block_prep(oap, &bd, pos.lnum, FALSE);
2247 pos.col = bd.textcol;
2248 one_change = swapchars(oap->op_type, &pos, bd.textlen);
2249 did_change |= one_change;
2251 # ifdef FEAT_NETBEANS_INTG
2252 if (usingNetbeans && one_change)
2254 char_u *ptr = ml_get_buf(curbuf, pos.lnum, FALSE);
2256 netbeans_removed(curbuf, pos.lnum, bd.textcol,
2257 (long)bd.textlen);
2258 netbeans_inserted(curbuf, pos.lnum, bd.textcol,
2259 &ptr[bd.textcol], bd.textlen);
2261 # endif
2263 if (did_change)
2264 changed_lines(oap->start.lnum, 0, oap->end.lnum + 1, 0L);
2266 else /* not block mode */
2267 #endif
2269 if (oap->motion_type == MLINE)
2271 oap->start.col = 0;
2272 pos.col = 0;
2273 oap->end.col = (colnr_T)STRLEN(ml_get(oap->end.lnum));
2274 if (oap->end.col)
2275 --oap->end.col;
2277 else if (!oap->inclusive)
2278 dec(&(oap->end));
2280 if (pos.lnum == oap->end.lnum)
2281 did_change = swapchars(oap->op_type, &pos,
2282 oap->end.col - pos.col + 1);
2283 else
2284 for (;;)
2286 did_change |= swapchars(oap->op_type, &pos,
2287 pos.lnum == oap->end.lnum ? oap->end.col + 1:
2288 (int)STRLEN(ml_get_pos(&pos)));
2289 if (ltoreq(oap->end, pos) || inc(&pos) == -1)
2290 break;
2292 if (did_change)
2294 changed_lines(oap->start.lnum, oap->start.col, oap->end.lnum + 1,
2295 0L);
2296 #ifdef FEAT_NETBEANS_INTG
2297 if (usingNetbeans && did_change)
2299 char_u *ptr;
2300 int count;
2302 pos = oap->start;
2303 while (pos.lnum < oap->end.lnum)
2305 ptr = ml_get_buf(curbuf, pos.lnum, FALSE);
2306 count = (int)STRLEN(ptr) - pos.col;
2307 netbeans_removed(curbuf, pos.lnum, pos.col, (long)count);
2308 netbeans_inserted(curbuf, pos.lnum, pos.col,
2309 &ptr[pos.col], count);
2310 pos.col = 0;
2311 pos.lnum++;
2313 ptr = ml_get_buf(curbuf, pos.lnum, FALSE);
2314 count = oap->end.col - pos.col + 1;
2315 netbeans_removed(curbuf, pos.lnum, pos.col, (long)count);
2316 netbeans_inserted(curbuf, pos.lnum, pos.col,
2317 &ptr[pos.col], count);
2319 #endif
2323 #ifdef FEAT_VISUAL
2324 if (!did_change && oap->is_VIsual)
2325 /* No change: need to remove the Visual selection */
2326 redraw_curbuf_later(INVERTED);
2327 #endif
2330 * Set '[ and '] marks.
2332 curbuf->b_op_start = oap->start;
2333 curbuf->b_op_end = oap->end;
2335 if (oap->line_count > p_report)
2337 if (oap->line_count == 1)
2338 MSG(_("1 line changed"));
2339 else
2340 smsg((char_u *)_("%ld lines changed"), oap->line_count);
2345 * Invoke swapchar() on "length" bytes at position "pos".
2346 * "pos" is advanced to just after the changed characters.
2347 * "length" is rounded up to include the whole last multi-byte character.
2348 * Also works correctly when the number of bytes changes.
2349 * Returns TRUE if some character was changed.
2351 static int
2352 swapchars(op_type, pos, length)
2353 int op_type;
2354 pos_T *pos;
2355 int length;
2357 int todo;
2358 int did_change = 0;
2360 for (todo = length; todo > 0; --todo)
2362 # ifdef FEAT_MBYTE
2363 if (has_mbyte)
2364 /* we're counting bytes, not characters */
2365 todo -= (*mb_ptr2len)(ml_get_pos(pos)) - 1;
2366 # endif
2367 did_change |= swapchar(op_type, pos);
2368 if (inc(pos) == -1) /* at end of file */
2369 break;
2371 return did_change;
2375 * If op_type == OP_UPPER: make uppercase,
2376 * if op_type == OP_LOWER: make lowercase,
2377 * if op_type == OP_ROT13: do rot13 encoding,
2378 * else swap case of character at 'pos'
2379 * returns TRUE when something actually changed.
2382 swapchar(op_type, pos)
2383 int op_type;
2384 pos_T *pos;
2386 int c;
2387 int nc;
2389 c = gchar_pos(pos);
2391 /* Only do rot13 encoding for ASCII characters. */
2392 if (c >= 0x80 && op_type == OP_ROT13)
2393 return FALSE;
2395 #ifdef FEAT_MBYTE
2396 if (op_type == OP_UPPER && c == 0xdf
2397 && (enc_latin1like || STRCMP(p_enc, "iso-8859-2") == 0))
2399 pos_T sp = curwin->w_cursor;
2401 /* Special handling of German sharp s: change to "SS". */
2402 curwin->w_cursor = *pos;
2403 del_char(FALSE);
2404 ins_char('S');
2405 ins_char('S');
2406 curwin->w_cursor = sp;
2407 inc(pos);
2410 if (enc_dbcs != 0 && c >= 0x100) /* No lower/uppercase letter */
2411 return FALSE;
2412 #endif
2413 nc = c;
2414 if (MB_ISLOWER(c))
2416 if (op_type == OP_ROT13)
2417 nc = ROT13(c, 'a');
2418 else if (op_type != OP_LOWER)
2419 nc = MB_TOUPPER(c);
2421 else if (MB_ISUPPER(c))
2423 if (op_type == OP_ROT13)
2424 nc = ROT13(c, 'A');
2425 else if (op_type != OP_UPPER)
2426 nc = MB_TOLOWER(c);
2428 if (nc != c)
2430 #ifdef FEAT_MBYTE
2431 if (enc_utf8 && (c >= 0x80 || nc >= 0x80))
2433 pos_T sp = curwin->w_cursor;
2435 curwin->w_cursor = *pos;
2436 del_char(FALSE);
2437 ins_char(nc);
2438 curwin->w_cursor = sp;
2440 else
2441 #endif
2442 pchar(*pos, nc);
2443 return TRUE;
2445 return FALSE;
2448 #if defined(FEAT_VISUALEXTRA) || defined(PROTO)
2450 * op_insert - Insert and append operators for Visual mode.
2452 void
2453 op_insert(oap, count1)
2454 oparg_T *oap;
2455 long count1;
2457 long ins_len, pre_textlen = 0;
2458 char_u *firstline, *ins_text;
2459 struct block_def bd;
2460 int i;
2462 /* edit() changes this - record it for OP_APPEND */
2463 bd.is_MAX = (curwin->w_curswant == MAXCOL);
2465 /* vis block is still marked. Get rid of it now. */
2466 curwin->w_cursor.lnum = oap->start.lnum;
2467 update_screen(INVERTED);
2469 if (oap->block_mode)
2471 #ifdef FEAT_VIRTUALEDIT
2472 /* When 'virtualedit' is used, need to insert the extra spaces before
2473 * doing block_prep(). When only "block" is used, virtual edit is
2474 * already disabled, but still need it when calling
2475 * coladvance_force(). */
2476 if (curwin->w_cursor.coladd > 0)
2478 int old_ve_flags = ve_flags;
2480 ve_flags = VE_ALL;
2481 if (u_save_cursor() == FAIL)
2482 return;
2483 coladvance_force(oap->op_type == OP_APPEND
2484 ? oap->end_vcol + 1 : getviscol());
2485 if (oap->op_type == OP_APPEND)
2486 --curwin->w_cursor.col;
2487 ve_flags = old_ve_flags;
2489 #endif
2490 /* Get the info about the block before entering the text */
2491 block_prep(oap, &bd, oap->start.lnum, TRUE);
2492 firstline = ml_get(oap->start.lnum) + bd.textcol;
2493 if (oap->op_type == OP_APPEND)
2494 firstline += bd.textlen;
2495 pre_textlen = (long)STRLEN(firstline);
2498 if (oap->op_type == OP_APPEND)
2500 if (oap->block_mode
2501 #ifdef FEAT_VIRTUALEDIT
2502 && curwin->w_cursor.coladd == 0
2503 #endif
2506 /* Move the cursor to the character right of the block. */
2507 curwin->w_set_curswant = TRUE;
2508 while (*ml_get_cursor() != NUL
2509 && (curwin->w_cursor.col < bd.textcol + bd.textlen))
2510 ++curwin->w_cursor.col;
2511 if (bd.is_short && !bd.is_MAX)
2513 /* First line was too short, make it longer and adjust the
2514 * values in "bd". */
2515 if (u_save_cursor() == FAIL)
2516 return;
2517 for (i = 0; i < bd.endspaces; ++i)
2518 ins_char(' ');
2519 bd.textlen += bd.endspaces;
2522 else
2524 curwin->w_cursor = oap->end;
2525 check_cursor_col();
2527 /* Works just like an 'i'nsert on the next character. */
2528 if (!lineempty(curwin->w_cursor.lnum)
2529 && oap->start_vcol != oap->end_vcol)
2530 inc_cursor();
2534 edit(NUL, FALSE, (linenr_T)count1);
2536 /* If user has moved off this line, we don't know what to do, so do
2537 * nothing.
2538 * Also don't repeat the insert when Insert mode ended with CTRL-C. */
2539 if (curwin->w_cursor.lnum != oap->start.lnum || got_int)
2540 return;
2542 if (oap->block_mode)
2544 struct block_def bd2;
2547 * Spaces and tabs in the indent may have changed to other spaces and
2548 * tabs. Get the starting column again and correct the length.
2549 * Don't do this when "$" used, end-of-line will have changed.
2551 block_prep(oap, &bd2, oap->start.lnum, TRUE);
2552 if (!bd.is_MAX || bd2.textlen < bd.textlen)
2554 if (oap->op_type == OP_APPEND)
2556 pre_textlen += bd2.textlen - bd.textlen;
2557 if (bd2.endspaces)
2558 --bd2.textlen;
2560 bd.textcol = bd2.textcol;
2561 bd.textlen = bd2.textlen;
2565 * Subsequent calls to ml_get() flush the firstline data - take a
2566 * copy of the required string.
2568 firstline = ml_get(oap->start.lnum) + bd.textcol;
2569 if (oap->op_type == OP_APPEND)
2570 firstline += bd.textlen;
2571 if ((ins_len = (long)STRLEN(firstline) - pre_textlen) > 0)
2573 ins_text = vim_strnsave(firstline, (int)ins_len);
2574 if (ins_text != NULL)
2576 /* block handled here */
2577 if (u_save(oap->start.lnum,
2578 (linenr_T)(oap->end.lnum + 1)) == OK)
2579 block_insert(oap, ins_text, (oap->op_type == OP_INSERT),
2580 &bd);
2582 curwin->w_cursor.col = oap->start.col;
2583 check_cursor();
2584 vim_free(ins_text);
2589 #endif
2592 * op_change - handle a change operation
2594 * return TRUE if edit() returns because of a CTRL-O command
2597 op_change(oap)
2598 oparg_T *oap;
2600 colnr_T l;
2601 int retval;
2602 #ifdef FEAT_VISUALEXTRA
2603 long offset;
2604 linenr_T linenr;
2605 long ins_len;
2606 long pre_textlen = 0;
2607 long pre_indent = 0;
2608 char_u *firstline;
2609 char_u *ins_text, *newp, *oldp;
2610 struct block_def bd;
2611 #endif
2613 l = oap->start.col;
2614 if (oap->motion_type == MLINE)
2616 l = 0;
2617 #ifdef FEAT_SMARTINDENT
2618 if (!p_paste && curbuf->b_p_si
2619 # ifdef FEAT_CINDENT
2620 && !curbuf->b_p_cin
2621 # endif
2623 can_si = TRUE; /* It's like opening a new line, do si */
2624 #endif
2627 /* First delete the text in the region. In an empty buffer only need to
2628 * save for undo */
2629 if (curbuf->b_ml.ml_flags & ML_EMPTY)
2631 if (u_save_cursor() == FAIL)
2632 return FALSE;
2634 else if (op_delete(oap) == FAIL)
2635 return FALSE;
2637 if ((l > curwin->w_cursor.col) && !lineempty(curwin->w_cursor.lnum)
2638 && !virtual_op)
2639 inc_cursor();
2641 #ifdef FEAT_VISUALEXTRA
2642 /* check for still on same line (<CR> in inserted text meaningless) */
2643 /* skip blank lines too */
2644 if (oap->block_mode)
2646 # ifdef FEAT_VIRTUALEDIT
2647 /* Add spaces before getting the current line length. */
2648 if (virtual_op && (curwin->w_cursor.coladd > 0
2649 || gchar_cursor() == NUL))
2650 coladvance_force(getviscol());
2651 # endif
2652 firstline = ml_get(oap->start.lnum);
2653 pre_textlen = (long)STRLEN(firstline);
2654 pre_indent = (long)(skipwhite(firstline) - firstline);
2655 bd.textcol = curwin->w_cursor.col;
2657 #endif
2659 #if defined(FEAT_LISP) || defined(FEAT_CINDENT)
2660 if (oap->motion_type == MLINE)
2661 fix_indent();
2662 #endif
2664 retval = edit(NUL, FALSE, (linenr_T)1);
2666 #ifdef FEAT_VISUALEXTRA
2668 * In Visual block mode, handle copying the new text to all lines of the
2669 * block.
2670 * Don't repeat the insert when Insert mode ended with CTRL-C.
2672 if (oap->block_mode && oap->start.lnum != oap->end.lnum && !got_int)
2674 /* Auto-indenting may have changed the indent. If the cursor was past
2675 * the indent, exclude that indent change from the inserted text. */
2676 firstline = ml_get(oap->start.lnum);
2677 if (bd.textcol > (colnr_T)pre_indent)
2679 long new_indent = (long)(skipwhite(firstline) - firstline);
2681 pre_textlen += new_indent - pre_indent;
2682 bd.textcol += new_indent - pre_indent;
2685 ins_len = (long)STRLEN(firstline) - pre_textlen;
2686 if (ins_len > 0)
2688 /* Subsequent calls to ml_get() flush the firstline data - take a
2689 * copy of the inserted text. */
2690 if ((ins_text = alloc_check((unsigned)(ins_len + 1))) != NULL)
2692 vim_strncpy(ins_text, firstline + bd.textcol, (size_t)ins_len);
2693 for (linenr = oap->start.lnum + 1; linenr <= oap->end.lnum;
2694 linenr++)
2696 block_prep(oap, &bd, linenr, TRUE);
2697 if (!bd.is_short || virtual_op)
2699 # ifdef FEAT_VIRTUALEDIT
2700 pos_T vpos;
2702 /* If the block starts in virtual space, count the
2703 * initial coladd offset as part of "startspaces" */
2704 if (bd.is_short)
2706 vpos.lnum = linenr;
2707 (void)getvpos(&vpos, oap->start_vcol);
2709 else
2710 vpos.coladd = 0;
2711 # endif
2712 oldp = ml_get(linenr);
2713 newp = alloc_check((unsigned)(STRLEN(oldp)
2714 # ifdef FEAT_VIRTUALEDIT
2715 + vpos.coladd
2716 # endif
2717 + ins_len + 1));
2718 if (newp == NULL)
2719 continue;
2720 /* copy up to block start */
2721 mch_memmove(newp, oldp, (size_t)bd.textcol);
2722 offset = bd.textcol;
2723 # ifdef FEAT_VIRTUALEDIT
2724 copy_spaces(newp + offset, (size_t)vpos.coladd);
2725 offset += vpos.coladd;
2726 # endif
2727 mch_memmove(newp + offset, ins_text, (size_t)ins_len);
2728 offset += ins_len;
2729 oldp += bd.textcol;
2730 STRMOVE(newp + offset, oldp);
2731 ml_replace(linenr, newp, FALSE);
2734 check_cursor();
2736 changed_lines(oap->start.lnum + 1, 0, oap->end.lnum + 1, 0L);
2738 vim_free(ins_text);
2741 #endif
2743 return retval;
2747 * set all the yank registers to empty (called from main())
2749 void
2750 init_yank()
2752 int i;
2754 for (i = 0; i < NUM_REGISTERS; ++i)
2755 y_regs[i].y_array = NULL;
2758 #if defined(EXITFREE) || defined(PROTO)
2759 void
2760 clear_registers()
2762 int i;
2764 for (i = 0; i < NUM_REGISTERS; ++i)
2766 y_current = &y_regs[i];
2767 if (y_current->y_array != NULL)
2768 free_yank_all();
2771 #endif
2774 * Free "n" lines from the current yank register.
2775 * Called for normal freeing and in case of error.
2777 static void
2778 free_yank(n)
2779 long n;
2781 if (y_current->y_array != NULL)
2783 long i;
2785 for (i = n; --i >= 0; )
2787 #ifdef AMIGA /* only for very slow machines */
2788 if ((i & 1023) == 1023) /* this may take a while */
2791 * This message should never cause a hit-return message.
2792 * Overwrite this message with any next message.
2794 ++no_wait_return;
2795 smsg((char_u *)_("freeing %ld lines"), i + 1);
2796 --no_wait_return;
2797 msg_didout = FALSE;
2798 msg_col = 0;
2800 #endif
2801 vim_free(y_current->y_array[i]);
2803 vim_free(y_current->y_array);
2804 y_current->y_array = NULL;
2805 #ifdef AMIGA
2806 if (n >= 1000)
2807 MSG("");
2808 #endif
2812 static void
2813 free_yank_all()
2815 free_yank(y_current->y_size);
2819 * Yank the text between "oap->start" and "oap->end" into a yank register.
2820 * If we are to append (uppercase register), we first yank into a new yank
2821 * register and then concatenate the old and the new one (so we keep the old
2822 * one in case of out-of-memory).
2824 * return FAIL for failure, OK otherwise
2827 op_yank(oap, deleting, mess)
2828 oparg_T *oap;
2829 int deleting;
2830 int mess;
2832 long y_idx; /* index in y_array[] */
2833 struct yankreg *curr; /* copy of y_current */
2834 struct yankreg newreg; /* new yank register when appending */
2835 char_u **new_ptr;
2836 linenr_T lnum; /* current line number */
2837 long j;
2838 int yanktype = oap->motion_type;
2839 long yanklines = oap->line_count;
2840 linenr_T yankendlnum = oap->end.lnum;
2841 char_u *p;
2842 char_u *pnew;
2843 struct block_def bd;
2845 /* check for read-only register */
2846 if (oap->regname != 0 && !valid_yank_reg(oap->regname, TRUE))
2848 beep_flush();
2849 return FAIL;
2851 if (oap->regname == '_') /* black hole: nothing to do */
2852 return OK;
2854 #ifdef FEAT_CLIPBOARD
2855 if (!clip_star.available && oap->regname == '*')
2856 oap->regname = 0;
2857 else if (!clip_plus.available && oap->regname == '+')
2858 oap->regname = 0;
2859 #endif
2861 if (!deleting) /* op_delete() already set y_current */
2862 get_yank_register(oap->regname, TRUE);
2864 curr = y_current;
2865 /* append to existing contents */
2866 if (y_append && y_current->y_array != NULL)
2867 y_current = &newreg;
2868 else
2869 free_yank_all(); /* free previously yanked lines */
2872 * If the cursor was in column 1 before and after the movement, and the
2873 * operator is not inclusive, the yank is always linewise.
2875 if ( oap->motion_type == MCHAR
2876 && oap->start.col == 0
2877 && !oap->inclusive
2878 #ifdef FEAT_VISUAL
2879 && (!oap->is_VIsual || *p_sel == 'o')
2880 && !oap->block_mode
2881 #endif
2882 && oap->end.col == 0
2883 && yanklines > 1)
2885 yanktype = MLINE;
2886 --yankendlnum;
2887 --yanklines;
2890 y_current->y_size = yanklines;
2891 y_current->y_type = yanktype; /* set the yank register type */
2892 #ifdef FEAT_VISUAL
2893 y_current->y_width = 0;
2894 #endif
2895 y_current->y_array = (char_u **)lalloc_clear((long_u)(sizeof(char_u *) *
2896 yanklines), TRUE);
2898 if (y_current->y_array == NULL)
2900 y_current = curr;
2901 return FAIL;
2904 y_idx = 0;
2905 lnum = oap->start.lnum;
2907 #ifdef FEAT_VISUAL
2908 if (oap->block_mode)
2910 /* Visual block mode */
2911 y_current->y_type = MBLOCK; /* set the yank register type */
2912 y_current->y_width = oap->end_vcol - oap->start_vcol;
2914 if (curwin->w_curswant == MAXCOL && y_current->y_width > 0)
2915 y_current->y_width--;
2917 #endif
2919 for ( ; lnum <= yankendlnum; lnum++, y_idx++)
2921 switch (y_current->y_type)
2923 #ifdef FEAT_VISUAL
2924 case MBLOCK:
2925 block_prep(oap, &bd, lnum, FALSE);
2926 if (yank_copy_line(&bd, y_idx) == FAIL)
2927 goto fail;
2928 break;
2929 #endif
2931 case MLINE:
2932 if ((y_current->y_array[y_idx] =
2933 vim_strsave(ml_get(lnum))) == NULL)
2934 goto fail;
2935 break;
2937 case MCHAR:
2939 colnr_T startcol = 0, endcol = MAXCOL;
2940 #ifdef FEAT_VIRTUALEDIT
2941 int is_oneChar = FALSE;
2942 colnr_T cs, ce;
2943 #endif
2944 p = ml_get(lnum);
2945 bd.startspaces = 0;
2946 bd.endspaces = 0;
2948 if (lnum == oap->start.lnum)
2950 startcol = oap->start.col;
2951 #ifdef FEAT_VIRTUALEDIT
2952 if (virtual_op)
2954 getvcol(curwin, &oap->start, &cs, NULL, &ce);
2955 if (ce != cs && oap->start.coladd > 0)
2957 /* Part of a tab selected -- but don't
2958 * double-count it. */
2959 bd.startspaces = (ce - cs + 1)
2960 - oap->start.coladd;
2961 startcol++;
2964 #endif
2967 if (lnum == oap->end.lnum)
2969 endcol = oap->end.col;
2970 #ifdef FEAT_VIRTUALEDIT
2971 if (virtual_op)
2973 getvcol(curwin, &oap->end, &cs, NULL, &ce);
2974 if (p[endcol] == NUL || (cs + oap->end.coladd < ce
2975 # ifdef FEAT_MBYTE
2976 /* Don't add space for double-wide
2977 * char; endcol will be on last byte
2978 * of multi-byte char. */
2979 && (*mb_head_off)(p, p + endcol) == 0
2980 # endif
2983 if (oap->start.lnum == oap->end.lnum
2984 && oap->start.col == oap->end.col)
2986 /* Special case: inside a single char */
2987 is_oneChar = TRUE;
2988 bd.startspaces = oap->end.coladd
2989 - oap->start.coladd + oap->inclusive;
2990 endcol = startcol;
2992 else
2994 bd.endspaces = oap->end.coladd
2995 + oap->inclusive;
2996 endcol -= oap->inclusive;
3000 #endif
3002 if (startcol > endcol
3003 #ifdef FEAT_VIRTUALEDIT
3004 || is_oneChar
3005 #endif
3007 bd.textlen = 0;
3008 else
3010 if (endcol == MAXCOL)
3011 endcol = (colnr_T)STRLEN(p);
3012 bd.textlen = endcol - startcol + oap->inclusive;
3014 bd.textstart = p + startcol;
3015 if (yank_copy_line(&bd, y_idx) == FAIL)
3016 goto fail;
3017 break;
3019 /* NOTREACHED */
3023 if (curr != y_current) /* append the new block to the old block */
3025 new_ptr = (char_u **)lalloc((long_u)(sizeof(char_u *) *
3026 (curr->y_size + y_current->y_size)), TRUE);
3027 if (new_ptr == NULL)
3028 goto fail;
3029 for (j = 0; j < curr->y_size; ++j)
3030 new_ptr[j] = curr->y_array[j];
3031 vim_free(curr->y_array);
3032 curr->y_array = new_ptr;
3034 if (yanktype == MLINE) /* MLINE overrides MCHAR and MBLOCK */
3035 curr->y_type = MLINE;
3037 /* Concatenate the last line of the old block with the first line of
3038 * the new block, unless being Vi compatible. */
3039 if (curr->y_type == MCHAR && vim_strchr(p_cpo, CPO_REGAPPEND) == NULL)
3041 pnew = lalloc((long_u)(STRLEN(curr->y_array[curr->y_size - 1])
3042 + STRLEN(y_current->y_array[0]) + 1), TRUE);
3043 if (pnew == NULL)
3045 y_idx = y_current->y_size - 1;
3046 goto fail;
3048 STRCPY(pnew, curr->y_array[--j]);
3049 STRCAT(pnew, y_current->y_array[0]);
3050 vim_free(curr->y_array[j]);
3051 vim_free(y_current->y_array[0]);
3052 curr->y_array[j++] = pnew;
3053 y_idx = 1;
3055 else
3056 y_idx = 0;
3057 while (y_idx < y_current->y_size)
3058 curr->y_array[j++] = y_current->y_array[y_idx++];
3059 curr->y_size = j;
3060 vim_free(y_current->y_array);
3061 y_current = curr;
3063 if (mess) /* Display message about yank? */
3065 if (yanktype == MCHAR
3066 #ifdef FEAT_VISUAL
3067 && !oap->block_mode
3068 #endif
3069 && yanklines == 1)
3070 yanklines = 0;
3071 /* Some versions of Vi use ">=" here, some don't... */
3072 if (yanklines > p_report)
3074 /* redisplay now, so message is not deleted */
3075 update_topline_redraw();
3076 if (yanklines == 1)
3078 #ifdef FEAT_VISUAL
3079 if (oap->block_mode)
3080 MSG(_("block of 1 line yanked"));
3081 else
3082 #endif
3083 MSG(_("1 line yanked"));
3085 #ifdef FEAT_VISUAL
3086 else if (oap->block_mode)
3087 smsg((char_u *)_("block of %ld lines yanked"), yanklines);
3088 #endif
3089 else
3090 smsg((char_u *)_("%ld lines yanked"), yanklines);
3095 * Set "'[" and "']" marks.
3097 curbuf->b_op_start = oap->start;
3098 curbuf->b_op_end = oap->end;
3099 if (yanktype == MLINE
3100 #ifdef FEAT_VISUAL
3101 && !oap->block_mode
3102 #endif
3105 curbuf->b_op_start.col = 0;
3106 curbuf->b_op_end.col = MAXCOL;
3109 #ifdef FEAT_CLIPBOARD
3111 * If we were yanking to the '*' register, send result to clipboard.
3112 * If no register was specified, and "unnamed" in 'clipboard', make a copy
3113 * to the '*' register.
3115 if (clip_star.available
3116 && (curr == &(y_regs[STAR_REGISTER])
3117 || (!deleting && oap->regname == 0 && clip_unnamed)))
3119 if (curr != &(y_regs[STAR_REGISTER]))
3120 /* Copy the text from register 0 to the clipboard register. */
3121 copy_yank_reg(&(y_regs[STAR_REGISTER]));
3123 clip_own_selection(&clip_star);
3124 clip_gen_set_selection(&clip_star);
3127 # ifdef FEAT_X11
3129 * If we were yanking to the '+' register, send result to selection.
3130 * Also copy to the '*' register, in case auto-select is off.
3132 else if (clip_plus.available && curr == &(y_regs[PLUS_REGISTER]))
3134 /* No need to copy to * register upon 'unnamed' now - see below */
3135 clip_own_selection(&clip_plus);
3136 clip_gen_set_selection(&clip_plus);
3137 if (!clip_isautosel())
3139 copy_yank_reg(&(y_regs[STAR_REGISTER]));
3140 clip_own_selection(&clip_star);
3141 clip_gen_set_selection(&clip_star);
3144 # endif
3145 #endif
3147 return OK;
3149 fail: /* free the allocated lines */
3150 free_yank(y_idx + 1);
3151 y_current = curr;
3152 return FAIL;
3155 static int
3156 yank_copy_line(bd, y_idx)
3157 struct block_def *bd;
3158 long y_idx;
3160 char_u *pnew;
3162 if ((pnew = alloc(bd->startspaces + bd->endspaces + bd->textlen + 1))
3163 == NULL)
3164 return FAIL;
3165 y_current->y_array[y_idx] = pnew;
3166 copy_spaces(pnew, (size_t)bd->startspaces);
3167 pnew += bd->startspaces;
3168 mch_memmove(pnew, bd->textstart, (size_t)bd->textlen);
3169 pnew += bd->textlen;
3170 copy_spaces(pnew, (size_t)bd->endspaces);
3171 pnew += bd->endspaces;
3172 *pnew = NUL;
3173 return OK;
3176 #ifdef FEAT_CLIPBOARD
3178 * Make a copy of the y_current register to register "reg".
3180 static void
3181 copy_yank_reg(reg)
3182 struct yankreg *reg;
3184 struct yankreg *curr = y_current;
3185 long j;
3187 y_current = reg;
3188 free_yank_all();
3189 *y_current = *curr;
3190 y_current->y_array = (char_u **)lalloc_clear(
3191 (long_u)(sizeof(char_u *) * y_current->y_size), TRUE);
3192 if (y_current->y_array == NULL)
3193 y_current->y_size = 0;
3194 else
3195 for (j = 0; j < y_current->y_size; ++j)
3196 if ((y_current->y_array[j] = vim_strsave(curr->y_array[j])) == NULL)
3198 free_yank(j);
3199 y_current->y_size = 0;
3200 break;
3202 y_current = curr;
3204 #endif
3207 * Put contents of register "regname" into the text.
3208 * Caller must check "regname" to be valid!
3209 * "flags": PUT_FIXINDENT make indent look nice
3210 * PUT_CURSEND leave cursor after end of new text
3211 * PUT_LINE force linewise put (":put")
3213 void
3214 do_put(regname, dir, count, flags)
3215 int regname;
3216 int dir; /* BACKWARD for 'P', FORWARD for 'p' */
3217 long count;
3218 int flags;
3220 char_u *ptr;
3221 char_u *newp, *oldp;
3222 int yanklen;
3223 int totlen = 0; /* init for gcc */
3224 linenr_T lnum;
3225 colnr_T col;
3226 long i; /* index in y_array[] */
3227 int y_type;
3228 long y_size;
3229 #ifdef FEAT_VISUAL
3230 int oldlen;
3231 long y_width = 0;
3232 colnr_T vcol;
3233 int delcount;
3234 int incr = 0;
3235 long j;
3236 struct block_def bd;
3237 #endif
3238 char_u **y_array = NULL;
3239 long nr_lines = 0;
3240 pos_T new_cursor;
3241 int indent;
3242 int orig_indent = 0; /* init for gcc */
3243 int indent_diff = 0; /* init for gcc */
3244 int first_indent = TRUE;
3245 int lendiff = 0;
3246 pos_T old_pos;
3247 char_u *insert_string = NULL;
3248 int allocated = FALSE;
3249 long cnt;
3251 #ifdef FEAT_CLIPBOARD
3252 /* Adjust register name for "unnamed" in 'clipboard'. */
3253 adjust_clip_reg(&regname);
3254 (void)may_get_selection(regname);
3255 #endif
3257 if (flags & PUT_FIXINDENT)
3258 orig_indent = get_indent();
3260 curbuf->b_op_start = curwin->w_cursor; /* default for '[ mark */
3261 curbuf->b_op_end = curwin->w_cursor; /* default for '] mark */
3264 * Using inserted text works differently, because the register includes
3265 * special characters (newlines, etc.).
3267 if (regname == '.')
3269 (void)stuff_inserted((dir == FORWARD ? (count == -1 ? 'o' : 'a') :
3270 (count == -1 ? 'O' : 'i')), count, FALSE);
3271 /* Putting the text is done later, so can't really move the cursor to
3272 * the next character. Use "l" to simulate it. */
3273 if ((flags & PUT_CURSEND) && gchar_cursor() != NUL)
3274 stuffcharReadbuff('l');
3275 return;
3279 * For special registers '%' (file name), '#' (alternate file name) and
3280 * ':' (last command line), etc. we have to create a fake yank register.
3282 if (get_spec_reg(regname, &insert_string, &allocated, TRUE))
3284 if (insert_string == NULL)
3285 return;
3288 if (insert_string != NULL)
3290 y_type = MCHAR;
3291 #ifdef FEAT_EVAL
3292 if (regname == '=')
3294 /* For the = register we need to split the string at NL
3295 * characters. */
3296 /* Loop twice: count the number of lines and save them. */
3297 for (;;)
3299 y_size = 0;
3300 ptr = insert_string;
3301 while (ptr != NULL)
3303 if (y_array != NULL)
3304 y_array[y_size] = ptr;
3305 ++y_size;
3306 ptr = vim_strchr(ptr, '\n');
3307 if (ptr != NULL)
3309 if (y_array != NULL)
3310 *ptr = NUL;
3311 ++ptr;
3312 /* A trailing '\n' makes the string linewise */
3313 if (*ptr == NUL)
3315 y_type = MLINE;
3316 break;
3320 if (y_array != NULL)
3321 break;
3322 y_array = (char_u **)alloc((unsigned)
3323 (y_size * sizeof(char_u *)));
3324 if (y_array == NULL)
3325 goto end;
3328 else
3329 #endif
3331 y_size = 1; /* use fake one-line yank register */
3332 y_array = &insert_string;
3335 else
3337 get_yank_register(regname, FALSE);
3339 y_type = y_current->y_type;
3340 #ifdef FEAT_VISUAL
3341 y_width = y_current->y_width;
3342 #endif
3343 y_size = y_current->y_size;
3344 y_array = y_current->y_array;
3347 #ifdef FEAT_VISUAL
3348 if (y_type == MLINE)
3350 if (flags & PUT_LINE_SPLIT)
3352 /* "p" or "P" in Visual mode: split the lines to put the text in
3353 * between. */
3354 if (u_save_cursor() == FAIL)
3355 goto end;
3356 ptr = vim_strsave(ml_get_cursor());
3357 if (ptr == NULL)
3358 goto end;
3359 ml_append(curwin->w_cursor.lnum, ptr, (colnr_T)0, FALSE);
3360 vim_free(ptr);
3362 ptr = vim_strnsave(ml_get_curline(), curwin->w_cursor.col);
3363 if (ptr == NULL)
3364 goto end;
3365 ml_replace(curwin->w_cursor.lnum, ptr, FALSE);
3366 ++nr_lines;
3367 dir = FORWARD;
3369 if (flags & PUT_LINE_FORWARD)
3371 /* Must be "p" for a Visual block, put lines below the block. */
3372 curwin->w_cursor = curbuf->b_visual.vi_end;
3373 dir = FORWARD;
3375 curbuf->b_op_start = curwin->w_cursor; /* default for '[ mark */
3376 curbuf->b_op_end = curwin->w_cursor; /* default for '] mark */
3378 #endif
3380 if (flags & PUT_LINE) /* :put command or "p" in Visual line mode. */
3381 y_type = MLINE;
3383 if (y_size == 0 || y_array == NULL)
3385 EMSG2(_("E353: Nothing in register %s"),
3386 regname == 0 ? (char_u *)"\"" : transchar(regname));
3387 goto end;
3390 #ifdef FEAT_VISUAL
3391 if (y_type == MBLOCK)
3393 lnum = curwin->w_cursor.lnum + y_size + 1;
3394 if (lnum > curbuf->b_ml.ml_line_count)
3395 lnum = curbuf->b_ml.ml_line_count + 1;
3396 if (u_save(curwin->w_cursor.lnum - 1, lnum) == FAIL)
3397 goto end;
3399 else
3400 #endif
3401 if (y_type == MLINE)
3403 lnum = curwin->w_cursor.lnum;
3404 #ifdef FEAT_FOLDING
3405 /* Correct line number for closed fold. Don't move the cursor yet,
3406 * u_save() uses it. */
3407 if (dir == BACKWARD)
3408 (void)hasFolding(lnum, &lnum, NULL);
3409 else
3410 (void)hasFolding(lnum, NULL, &lnum);
3411 #endif
3412 if (dir == FORWARD)
3413 ++lnum;
3414 if (u_save(lnum - 1, lnum) == FAIL)
3415 goto end;
3416 #ifdef FEAT_FOLDING
3417 if (dir == FORWARD)
3418 curwin->w_cursor.lnum = lnum - 1;
3419 else
3420 curwin->w_cursor.lnum = lnum;
3421 curbuf->b_op_start = curwin->w_cursor; /* for mark_adjust() */
3422 #endif
3424 else if (u_save_cursor() == FAIL)
3425 goto end;
3427 yanklen = (int)STRLEN(y_array[0]);
3429 #ifdef FEAT_VIRTUALEDIT
3430 if (ve_flags == VE_ALL && y_type == MCHAR)
3432 if (gchar_cursor() == TAB)
3434 /* Don't need to insert spaces when "p" on the last position of a
3435 * tab or "P" on the first position. */
3436 if (dir == FORWARD
3437 ? (int)curwin->w_cursor.coladd < curbuf->b_p_ts - 1
3438 : curwin->w_cursor.coladd > 0)
3439 coladvance_force(getviscol());
3440 else
3441 curwin->w_cursor.coladd = 0;
3443 else if (curwin->w_cursor.coladd > 0 || gchar_cursor() == NUL)
3444 coladvance_force(getviscol() + (dir == FORWARD));
3446 #endif
3448 lnum = curwin->w_cursor.lnum;
3449 col = curwin->w_cursor.col;
3451 #ifdef FEAT_VISUAL
3453 * Block mode
3455 if (y_type == MBLOCK)
3457 char c = gchar_cursor();
3458 colnr_T endcol2 = 0;
3460 if (dir == FORWARD && c != NUL)
3462 #ifdef FEAT_VIRTUALEDIT
3463 if (ve_flags == VE_ALL)
3464 getvcol(curwin, &curwin->w_cursor, &col, NULL, &endcol2);
3465 else
3466 #endif
3467 getvcol(curwin, &curwin->w_cursor, NULL, NULL, &col);
3469 #ifdef FEAT_MBYTE
3470 if (has_mbyte)
3471 /* move to start of next multi-byte character */
3472 curwin->w_cursor.col += (*mb_ptr2len)(ml_get_cursor());
3473 else
3474 #endif
3475 #ifdef FEAT_VIRTUALEDIT
3476 if (c != TAB || ve_flags != VE_ALL)
3477 #endif
3478 ++curwin->w_cursor.col;
3479 ++col;
3481 else
3482 getvcol(curwin, &curwin->w_cursor, &col, NULL, &endcol2);
3484 #ifdef FEAT_VIRTUALEDIT
3485 col += curwin->w_cursor.coladd;
3486 if (ve_flags == VE_ALL
3487 && (curwin->w_cursor.coladd > 0
3488 || endcol2 == curwin->w_cursor.col))
3490 if (dir == FORWARD && c == NUL)
3491 ++col;
3492 if (dir != FORWARD && c != NUL)
3493 ++curwin->w_cursor.col;
3494 if (c == TAB)
3496 if (dir == BACKWARD && curwin->w_cursor.col)
3497 curwin->w_cursor.col--;
3498 if (dir == FORWARD && col - 1 == endcol2)
3499 curwin->w_cursor.col++;
3502 curwin->w_cursor.coladd = 0;
3503 #endif
3504 bd.textcol = 0;
3505 for (i = 0; i < y_size; ++i)
3507 int spaces;
3508 char shortline;
3510 bd.startspaces = 0;
3511 bd.endspaces = 0;
3512 vcol = 0;
3513 delcount = 0;
3515 /* add a new line */
3516 if (curwin->w_cursor.lnum > curbuf->b_ml.ml_line_count)
3518 if (ml_append(curbuf->b_ml.ml_line_count, (char_u *)"",
3519 (colnr_T)1, FALSE) == FAIL)
3520 break;
3521 ++nr_lines;
3523 /* get the old line and advance to the position to insert at */
3524 oldp = ml_get_curline();
3525 oldlen = (int)STRLEN(oldp);
3526 for (ptr = oldp; vcol < col && *ptr; )
3528 /* Count a tab for what it's worth (if list mode not on) */
3529 incr = lbr_chartabsize_adv(&ptr, (colnr_T)vcol);
3530 vcol += incr;
3532 bd.textcol = (colnr_T)(ptr - oldp);
3534 shortline = (vcol < col) || (vcol == col && !*ptr) ;
3536 if (vcol < col) /* line too short, padd with spaces */
3537 bd.startspaces = col - vcol;
3538 else if (vcol > col)
3540 bd.endspaces = vcol - col;
3541 bd.startspaces = incr - bd.endspaces;
3542 --bd.textcol;
3543 delcount = 1;
3544 #ifdef FEAT_MBYTE
3545 if (has_mbyte)
3546 bd.textcol -= (*mb_head_off)(oldp, oldp + bd.textcol);
3547 #endif
3548 if (oldp[bd.textcol] != TAB)
3550 /* Only a Tab can be split into spaces. Other
3551 * characters will have to be moved to after the
3552 * block, causing misalignment. */
3553 delcount = 0;
3554 bd.endspaces = 0;
3558 yanklen = (int)STRLEN(y_array[i]);
3560 /* calculate number of spaces required to fill right side of block*/
3561 spaces = y_width + 1;
3562 for (j = 0; j < yanklen; j++)
3563 spaces -= lbr_chartabsize(&y_array[i][j], 0);
3564 if (spaces < 0)
3565 spaces = 0;
3567 /* insert the new text */
3568 totlen = count * (yanklen + spaces) + bd.startspaces + bd.endspaces;
3569 newp = alloc_check((unsigned)totlen + oldlen + 1);
3570 if (newp == NULL)
3571 break;
3572 /* copy part up to cursor to new line */
3573 ptr = newp;
3574 mch_memmove(ptr, oldp, (size_t)bd.textcol);
3575 ptr += bd.textcol;
3576 /* may insert some spaces before the new text */
3577 copy_spaces(ptr, (size_t)bd.startspaces);
3578 ptr += bd.startspaces;
3579 /* insert the new text */
3580 for (j = 0; j < count; ++j)
3582 mch_memmove(ptr, y_array[i], (size_t)yanklen);
3583 ptr += yanklen;
3585 /* insert block's trailing spaces only if there's text behind */
3586 if ((j < count - 1 || !shortline) && spaces)
3588 copy_spaces(ptr, (size_t)spaces);
3589 ptr += spaces;
3592 /* may insert some spaces after the new text */
3593 copy_spaces(ptr, (size_t)bd.endspaces);
3594 ptr += bd.endspaces;
3595 /* move the text after the cursor to the end of the line. */
3596 mch_memmove(ptr, oldp + bd.textcol + delcount,
3597 (size_t)(oldlen - bd.textcol - delcount + 1));
3598 ml_replace(curwin->w_cursor.lnum, newp, FALSE);
3600 ++curwin->w_cursor.lnum;
3601 if (i == 0)
3602 curwin->w_cursor.col += bd.startspaces;
3605 changed_lines(lnum, 0, curwin->w_cursor.lnum, nr_lines);
3607 /* Set '[ mark. */
3608 curbuf->b_op_start = curwin->w_cursor;
3609 curbuf->b_op_start.lnum = lnum;
3611 /* adjust '] mark */
3612 curbuf->b_op_end.lnum = curwin->w_cursor.lnum - 1;
3613 curbuf->b_op_end.col = bd.textcol + totlen - 1;
3614 # ifdef FEAT_VIRTUALEDIT
3615 curbuf->b_op_end.coladd = 0;
3616 # endif
3617 if (flags & PUT_CURSEND)
3619 colnr_T len;
3621 curwin->w_cursor = curbuf->b_op_end;
3622 curwin->w_cursor.col++;
3624 /* in Insert mode we might be after the NUL, correct for that */
3625 len = (colnr_T)STRLEN(ml_get_curline());
3626 if (curwin->w_cursor.col > len)
3627 curwin->w_cursor.col = len;
3629 else
3630 curwin->w_cursor.lnum = lnum;
3632 else
3633 #endif
3636 * Character or Line mode
3638 if (y_type == MCHAR)
3640 /* if type is MCHAR, FORWARD is the same as BACKWARD on the next
3641 * char */
3642 if (dir == FORWARD && gchar_cursor() != NUL)
3644 #ifdef FEAT_MBYTE
3645 if (has_mbyte)
3647 int bytelen = (*mb_ptr2len)(ml_get_cursor());
3649 /* put it on the next of the multi-byte character. */
3650 col += bytelen;
3651 if (yanklen)
3653 curwin->w_cursor.col += bytelen;
3654 curbuf->b_op_end.col += bytelen;
3657 else
3658 #endif
3660 ++col;
3661 if (yanklen)
3663 ++curwin->w_cursor.col;
3664 ++curbuf->b_op_end.col;
3668 curbuf->b_op_start = curwin->w_cursor;
3671 * Line mode: BACKWARD is the same as FORWARD on the previous line
3673 else if (dir == BACKWARD)
3674 --lnum;
3675 new_cursor = curwin->w_cursor;
3678 * simple case: insert into current line
3680 if (y_type == MCHAR && y_size == 1)
3682 totlen = count * yanklen;
3683 if (totlen)
3685 oldp = ml_get(lnum);
3686 newp = alloc_check((unsigned)(STRLEN(oldp) + totlen + 1));
3687 if (newp == NULL)
3688 goto end; /* alloc() will give error message */
3689 mch_memmove(newp, oldp, (size_t)col);
3690 ptr = newp + col;
3691 for (i = 0; i < count; ++i)
3693 mch_memmove(ptr, y_array[0], (size_t)yanklen);
3694 ptr += yanklen;
3696 STRMOVE(ptr, oldp + col);
3697 ml_replace(lnum, newp, FALSE);
3698 /* Put cursor on last putted char. */
3699 curwin->w_cursor.col += (colnr_T)(totlen - 1);
3701 curbuf->b_op_end = curwin->w_cursor;
3702 /* For "CTRL-O p" in Insert mode, put cursor after last char */
3703 if (totlen && (restart_edit != 0 || (flags & PUT_CURSEND)))
3704 ++curwin->w_cursor.col;
3705 changed_bytes(lnum, col);
3707 else
3710 * Insert at least one line. When y_type is MCHAR, break the first
3711 * line in two.
3713 for (cnt = 1; cnt <= count; ++cnt)
3715 i = 0;
3716 if (y_type == MCHAR)
3719 * Split the current line in two at the insert position.
3720 * First insert y_array[size - 1] in front of second line.
3721 * Then append y_array[0] to first line.
3723 lnum = new_cursor.lnum;
3724 ptr = ml_get(lnum) + col;
3725 totlen = (int)STRLEN(y_array[y_size - 1]);
3726 newp = alloc_check((unsigned)(STRLEN(ptr) + totlen + 1));
3727 if (newp == NULL)
3728 goto error;
3729 STRCPY(newp, y_array[y_size - 1]);
3730 STRCAT(newp, ptr);
3731 /* insert second line */
3732 ml_append(lnum, newp, (colnr_T)0, FALSE);
3733 vim_free(newp);
3735 oldp = ml_get(lnum);
3736 newp = alloc_check((unsigned)(col + yanklen + 1));
3737 if (newp == NULL)
3738 goto error;
3739 /* copy first part of line */
3740 mch_memmove(newp, oldp, (size_t)col);
3741 /* append to first line */
3742 mch_memmove(newp + col, y_array[0], (size_t)(yanklen + 1));
3743 ml_replace(lnum, newp, FALSE);
3745 curwin->w_cursor.lnum = lnum;
3746 i = 1;
3749 for (; i < y_size; ++i)
3751 if ((y_type != MCHAR || i < y_size - 1)
3752 && ml_append(lnum, y_array[i], (colnr_T)0, FALSE)
3753 == FAIL)
3754 goto error;
3755 lnum++;
3756 ++nr_lines;
3757 if (flags & PUT_FIXINDENT)
3759 old_pos = curwin->w_cursor;
3760 curwin->w_cursor.lnum = lnum;
3761 ptr = ml_get(lnum);
3762 if (cnt == count && i == y_size - 1)
3763 lendiff = (int)STRLEN(ptr);
3764 #if defined(FEAT_SMARTINDENT) || defined(FEAT_CINDENT)
3765 if (*ptr == '#' && preprocs_left())
3766 indent = 0; /* Leave # lines at start */
3767 else
3768 #endif
3769 if (*ptr == NUL)
3770 indent = 0; /* Ignore empty lines */
3771 else if (first_indent)
3773 indent_diff = orig_indent - get_indent();
3774 indent = orig_indent;
3775 first_indent = FALSE;
3777 else if ((indent = get_indent() + indent_diff) < 0)
3778 indent = 0;
3779 (void)set_indent(indent, 0);
3780 curwin->w_cursor = old_pos;
3781 /* remember how many chars were removed */
3782 if (cnt == count && i == y_size - 1)
3783 lendiff -= (int)STRLEN(ml_get(lnum));
3788 error:
3789 /* Adjust marks. */
3790 if (y_type == MLINE)
3792 curbuf->b_op_start.col = 0;
3793 if (dir == FORWARD)
3794 curbuf->b_op_start.lnum++;
3796 mark_adjust(curbuf->b_op_start.lnum + (y_type == MCHAR),
3797 (linenr_T)MAXLNUM, nr_lines, 0L);
3799 /* note changed text for displaying and folding */
3800 if (y_type == MCHAR)
3801 changed_lines(curwin->w_cursor.lnum, col,
3802 curwin->w_cursor.lnum + 1, nr_lines);
3803 else
3804 changed_lines(curbuf->b_op_start.lnum, 0,
3805 curbuf->b_op_start.lnum, nr_lines);
3807 /* put '] mark at last inserted character */
3808 curbuf->b_op_end.lnum = lnum;
3809 /* correct length for change in indent */
3810 col = (colnr_T)STRLEN(y_array[y_size - 1]) - lendiff;
3811 if (col > 1)
3812 curbuf->b_op_end.col = col - 1;
3813 else
3814 curbuf->b_op_end.col = 0;
3816 if (flags & PUT_CURSLINE)
3818 /* ":put": put cursor on last inserted line */
3819 curwin->w_cursor.lnum = lnum;
3820 beginline(BL_WHITE | BL_FIX);
3822 else if (flags & PUT_CURSEND)
3824 /* put cursor after inserted text */
3825 if (y_type == MLINE)
3827 if (lnum >= curbuf->b_ml.ml_line_count)
3828 curwin->w_cursor.lnum = curbuf->b_ml.ml_line_count;
3829 else
3830 curwin->w_cursor.lnum = lnum + 1;
3831 curwin->w_cursor.col = 0;
3833 else
3835 curwin->w_cursor.lnum = lnum;
3836 curwin->w_cursor.col = col;
3839 else if (y_type == MLINE)
3841 /* put cursor on first non-blank in first inserted line */
3842 curwin->w_cursor.col = 0;
3843 if (dir == FORWARD)
3844 ++curwin->w_cursor.lnum;
3845 beginline(BL_WHITE | BL_FIX);
3847 else /* put cursor on first inserted character */
3848 curwin->w_cursor = new_cursor;
3852 msgmore(nr_lines);
3853 curwin->w_set_curswant = TRUE;
3855 end:
3856 if (allocated)
3857 vim_free(insert_string);
3858 if (regname == '=')
3859 vim_free(y_array);
3861 /* If the cursor is past the end of the line put it at the end. */
3862 adjust_cursor_eol();
3866 * When the cursor is on the NUL past the end of the line and it should not be
3867 * there move it left.
3869 void
3870 adjust_cursor_eol()
3872 if (curwin->w_cursor.col > 0
3873 && gchar_cursor() == NUL
3874 #ifdef FEAT_VIRTUALEDIT
3875 && (ve_flags & VE_ONEMORE) == 0
3876 #endif
3877 && !(restart_edit || (State & INSERT)))
3879 /* Put the cursor on the last character in the line. */
3880 dec_cursor();
3882 #ifdef FEAT_VIRTUALEDIT
3883 if (ve_flags == VE_ALL)
3885 colnr_T scol, ecol;
3887 /* Coladd is set to the width of the last character. */
3888 getvcol(curwin, &curwin->w_cursor, &scol, NULL, &ecol);
3889 curwin->w_cursor.coladd = ecol - scol + 1;
3891 #endif
3895 #if defined(FEAT_SMARTINDENT) || defined(FEAT_CINDENT) || defined(PROTO)
3897 * Return TRUE if lines starting with '#' should be left aligned.
3900 preprocs_left()
3902 return
3903 # ifdef FEAT_SMARTINDENT
3904 # ifdef FEAT_CINDENT
3905 (curbuf->b_p_si && !curbuf->b_p_cin) ||
3906 # else
3907 curbuf->b_p_si
3908 # endif
3909 # endif
3910 # ifdef FEAT_CINDENT
3911 (curbuf->b_p_cin && in_cinkeys('#', ' ', TRUE))
3912 # endif
3915 #endif
3917 /* Return the character name of the register with the given number */
3919 get_register_name(num)
3920 int num;
3922 if (num == -1)
3923 return '"';
3924 else if (num < 10)
3925 return num + '0';
3926 else if (num == DELETION_REGISTER)
3927 return '-';
3928 #ifdef FEAT_CLIPBOARD
3929 else if (num == STAR_REGISTER)
3930 return '*';
3931 else if (num == PLUS_REGISTER)
3932 return '+';
3933 #endif
3934 else
3936 #ifdef EBCDIC
3937 int i;
3939 /* EBCDIC is really braindead ... */
3940 i = 'a' + (num - 10);
3941 if (i > 'i')
3942 i += 7;
3943 if (i > 'r')
3944 i += 8;
3945 return i;
3946 #else
3947 return num + 'a' - 10;
3948 #endif
3953 * ":dis" and ":registers": Display the contents of the yank registers.
3955 void
3956 ex_display(eap)
3957 exarg_T *eap;
3959 int i, n;
3960 long j;
3961 char_u *p;
3962 struct yankreg *yb;
3963 int name;
3964 int attr;
3965 char_u *arg = eap->arg;
3966 #ifdef FEAT_MBYTE
3967 int clen;
3968 #else
3969 # define clen 1
3970 #endif
3972 if (arg != NULL && *arg == NUL)
3973 arg = NULL;
3974 attr = hl_attr(HLF_8);
3976 /* Highlight title */
3977 MSG_PUTS_TITLE(_("\n--- Registers ---"));
3978 for (i = -1; i < NUM_REGISTERS && !got_int; ++i)
3980 name = get_register_name(i);
3981 if (arg != NULL && vim_strchr(arg, name) == NULL)
3982 continue; /* did not ask for this register */
3984 #ifdef FEAT_CLIPBOARD
3985 /* Adjust register name for "unnamed" in 'clipboard'.
3986 * When it's a clipboard register, fill it with the current contents
3987 * of the clipboard. */
3988 adjust_clip_reg(&name);
3989 (void)may_get_selection(name);
3990 #endif
3992 if (i == -1)
3994 if (y_previous != NULL)
3995 yb = y_previous;
3996 else
3997 yb = &(y_regs[0]);
3999 else
4000 yb = &(y_regs[i]);
4002 #ifdef FEAT_EVAL
4003 if (name == MB_TOLOWER(redir_reg)
4004 || (redir_reg == '"' && yb == y_previous))
4005 continue; /* do not list register being written to, the
4006 * pointer can be freed */
4007 #endif
4009 if (yb->y_array != NULL)
4011 msg_putchar('\n');
4012 msg_putchar('"');
4013 msg_putchar(name);
4014 MSG_PUTS(" ");
4016 n = (int)Columns - 6;
4017 for (j = 0; j < yb->y_size && n > 1; ++j)
4019 if (j)
4021 MSG_PUTS_ATTR("^J", attr);
4022 n -= 2;
4024 for (p = yb->y_array[j]; *p && (n -= ptr2cells(p)) >= 0; ++p)
4026 #ifdef FEAT_MBYTE
4027 clen = (*mb_ptr2len)(p);
4028 #endif
4029 msg_outtrans_len(p, clen);
4030 #ifdef FEAT_MBYTE
4031 p += clen - 1;
4032 #endif
4035 if (n > 1 && yb->y_type == MLINE)
4036 MSG_PUTS_ATTR("^J", attr);
4037 out_flush(); /* show one line at a time */
4039 ui_breakcheck();
4043 * display last inserted text
4045 if ((p = get_last_insert()) != NULL
4046 && (arg == NULL || vim_strchr(arg, '.') != NULL) && !got_int)
4048 MSG_PUTS("\n\". ");
4049 dis_msg(p, TRUE);
4053 * display last command line
4055 if (last_cmdline != NULL && (arg == NULL || vim_strchr(arg, ':') != NULL)
4056 && !got_int)
4058 MSG_PUTS("\n\": ");
4059 dis_msg(last_cmdline, FALSE);
4063 * display current file name
4065 if (curbuf->b_fname != NULL
4066 && (arg == NULL || vim_strchr(arg, '%') != NULL) && !got_int)
4068 MSG_PUTS("\n\"% ");
4069 dis_msg(curbuf->b_fname, FALSE);
4073 * display alternate file name
4075 if ((arg == NULL || vim_strchr(arg, '%') != NULL) && !got_int)
4077 char_u *fname;
4078 linenr_T dummy;
4080 if (buflist_name_nr(0, &fname, &dummy) != FAIL)
4082 MSG_PUTS("\n\"# ");
4083 dis_msg(fname, FALSE);
4088 * display last search pattern
4090 if (last_search_pat() != NULL
4091 && (arg == NULL || vim_strchr(arg, '/') != NULL) && !got_int)
4093 MSG_PUTS("\n\"/ ");
4094 dis_msg(last_search_pat(), FALSE);
4097 #ifdef FEAT_EVAL
4099 * display last used expression
4101 if (expr_line != NULL && (arg == NULL || vim_strchr(arg, '=') != NULL)
4102 && !got_int)
4104 MSG_PUTS("\n\"= ");
4105 dis_msg(expr_line, FALSE);
4107 #endif
4111 * display a string for do_dis()
4112 * truncate at end of screen line
4114 static void
4115 dis_msg(p, skip_esc)
4116 char_u *p;
4117 int skip_esc; /* if TRUE, ignore trailing ESC */
4119 int n;
4120 #ifdef FEAT_MBYTE
4121 int l;
4122 #endif
4124 n = (int)Columns - 6;
4125 while (*p != NUL
4126 && !(*p == ESC && skip_esc && *(p + 1) == NUL)
4127 && (n -= ptr2cells(p)) >= 0)
4129 #ifdef FEAT_MBYTE
4130 if (has_mbyte && (l = (*mb_ptr2len)(p)) > 1)
4132 msg_outtrans_len(p, l);
4133 p += l;
4135 else
4136 #endif
4137 msg_outtrans_len(p++, 1);
4139 ui_breakcheck();
4143 * join 'count' lines (minimal 2), including u_save()
4145 void
4146 do_do_join(count, insert_space)
4147 long count;
4148 int insert_space;
4150 colnr_T col = MAXCOL;
4152 if (u_save((linenr_T)(curwin->w_cursor.lnum - 1),
4153 (linenr_T)(curwin->w_cursor.lnum + count)) == FAIL)
4154 return;
4156 while (--count > 0)
4158 line_breakcheck();
4159 if (got_int || do_join(insert_space) == FAIL)
4161 beep_flush();
4162 break;
4164 if (col == MAXCOL && vim_strchr(p_cpo, CPO_JOINCOL) != NULL)
4165 col = curwin->w_cursor.col;
4168 /* Vi compatible: use the column of the first join */
4169 if (col != MAXCOL && vim_strchr(p_cpo, CPO_JOINCOL) != NULL)
4170 curwin->w_cursor.col = col;
4172 #if 0
4174 * Need to update the screen if the line where the cursor is became too
4175 * long to fit on the screen.
4177 update_topline_redraw();
4178 #endif
4182 * Join two lines at the cursor position.
4183 * "redraw" is TRUE when the screen should be updated.
4184 * Caller must have setup for undo.
4186 * return FAIL for failure, OK otherwise
4189 do_join(insert_space)
4190 int insert_space;
4192 char_u *curr;
4193 char_u *next, *next_start;
4194 char_u *newp;
4195 int endcurr1, endcurr2;
4196 int currsize; /* size of the current line */
4197 int nextsize; /* size of the next line */
4198 int spaces; /* number of spaces to insert */
4199 linenr_T t;
4201 if (curwin->w_cursor.lnum == curbuf->b_ml.ml_line_count)
4202 return FAIL; /* can't join on last line */
4204 curr = ml_get_curline();
4205 currsize = (int)STRLEN(curr);
4206 endcurr1 = endcurr2 = NUL;
4207 if (insert_space && currsize > 0)
4209 #ifdef FEAT_MBYTE
4210 if (has_mbyte)
4212 next = curr + currsize;
4213 mb_ptr_back(curr, next);
4214 endcurr1 = (*mb_ptr2char)(next);
4215 if (next > curr)
4217 mb_ptr_back(curr, next);
4218 endcurr2 = (*mb_ptr2char)(next);
4221 else
4222 #endif
4224 endcurr1 = *(curr + currsize - 1);
4225 if (currsize > 1)
4226 endcurr2 = *(curr + currsize - 2);
4230 next = next_start = ml_get((linenr_T)(curwin->w_cursor.lnum + 1));
4231 spaces = 0;
4232 if (insert_space)
4234 next = skipwhite(next);
4235 if (*next != ')' && currsize != 0 && endcurr1 != TAB
4236 #ifdef FEAT_MBYTE
4237 && (!has_format_option(FO_MBYTE_JOIN)
4238 || (mb_ptr2char(next) < 0x100 && endcurr1 < 0x100))
4239 && (!has_format_option(FO_MBYTE_JOIN2)
4240 || mb_ptr2char(next) < 0x100 || endcurr1 < 0x100)
4241 #endif
4244 /* don't add a space if the line is ending in a space */
4245 if (endcurr1 == ' ')
4246 endcurr1 = endcurr2;
4247 else
4248 ++spaces;
4249 /* extra space when 'joinspaces' set and line ends in '.' */
4250 if ( p_js
4251 && (endcurr1 == '.'
4252 || (vim_strchr(p_cpo, CPO_JOINSP) == NULL
4253 && (endcurr1 == '?' || endcurr1 == '!'))))
4254 ++spaces;
4257 nextsize = (int)STRLEN(next);
4259 newp = alloc_check((unsigned)(currsize + nextsize + spaces + 1));
4260 if (newp == NULL)
4261 return FAIL;
4264 * Insert the next line first, because we already have that pointer.
4265 * Curr has to be obtained again, because getting next will have
4266 * invalidated it.
4268 mch_memmove(newp + currsize + spaces, next, (size_t)(nextsize + 1));
4270 curr = ml_get_curline();
4271 mch_memmove(newp, curr, (size_t)currsize);
4273 copy_spaces(newp + currsize, (size_t)spaces);
4275 ml_replace(curwin->w_cursor.lnum, newp, FALSE);
4277 /* Only report the change in the first line here, del_lines() will report
4278 * the deleted line. */
4279 changed_lines(curwin->w_cursor.lnum, currsize,
4280 curwin->w_cursor.lnum + 1, 0L);
4283 * Delete the following line. To do this we move the cursor there
4284 * briefly, and then move it back. After del_lines() the cursor may
4285 * have moved up (last line deleted), so the current lnum is kept in t.
4287 * Move marks from the deleted line to the joined line, adjusting the
4288 * column. This is not Vi compatible, but Vi deletes the marks, thus that
4289 * should not really be a problem.
4291 t = curwin->w_cursor.lnum;
4292 mark_col_adjust(t + 1, (colnr_T)0, (linenr_T)-1,
4293 (long)(currsize + spaces - (next - next_start)));
4294 ++curwin->w_cursor.lnum;
4295 del_lines(1L, FALSE);
4296 curwin->w_cursor.lnum = t;
4299 * go to first character of the joined line
4301 curwin->w_cursor.col = currsize;
4302 check_cursor_col();
4303 #ifdef FEAT_VIRTUALEDIT
4304 curwin->w_cursor.coladd = 0;
4305 #endif
4306 curwin->w_set_curswant = TRUE;
4308 return OK;
4311 #ifdef FEAT_COMMENTS
4313 * Return TRUE if the two comment leaders given are the same. "lnum" is
4314 * the first line. White-space is ignored. Note that the whole of
4315 * 'leader1' must match 'leader2_len' characters from 'leader2' -- webb
4317 static int
4318 same_leader(lnum, leader1_len, leader1_flags, leader2_len, leader2_flags)
4319 linenr_T lnum;
4320 int leader1_len;
4321 char_u *leader1_flags;
4322 int leader2_len;
4323 char_u *leader2_flags;
4325 int idx1 = 0, idx2 = 0;
4326 char_u *p;
4327 char_u *line1;
4328 char_u *line2;
4330 if (leader1_len == 0)
4331 return (leader2_len == 0);
4334 * If first leader has 'f' flag, the lines can be joined only if the
4335 * second line does not have a leader.
4336 * If first leader has 'e' flag, the lines can never be joined.
4337 * If fist leader has 's' flag, the lines can only be joined if there is
4338 * some text after it and the second line has the 'm' flag.
4340 if (leader1_flags != NULL)
4342 for (p = leader1_flags; *p && *p != ':'; ++p)
4344 if (*p == COM_FIRST)
4345 return (leader2_len == 0);
4346 if (*p == COM_END)
4347 return FALSE;
4348 if (*p == COM_START)
4350 if (*(ml_get(lnum) + leader1_len) == NUL)
4351 return FALSE;
4352 if (leader2_flags == NULL || leader2_len == 0)
4353 return FALSE;
4354 for (p = leader2_flags; *p && *p != ':'; ++p)
4355 if (*p == COM_MIDDLE)
4356 return TRUE;
4357 return FALSE;
4363 * Get current line and next line, compare the leaders.
4364 * The first line has to be saved, only one line can be locked at a time.
4366 line1 = vim_strsave(ml_get(lnum));
4367 if (line1 != NULL)
4369 for (idx1 = 0; vim_iswhite(line1[idx1]); ++idx1)
4371 line2 = ml_get(lnum + 1);
4372 for (idx2 = 0; idx2 < leader2_len; ++idx2)
4374 if (!vim_iswhite(line2[idx2]))
4376 if (line1[idx1++] != line2[idx2])
4377 break;
4379 else
4380 while (vim_iswhite(line1[idx1]))
4381 ++idx1;
4383 vim_free(line1);
4385 return (idx2 == leader2_len && idx1 == leader1_len);
4387 #endif
4390 * implementation of the format operator 'gq'
4392 void
4393 op_format(oap, keep_cursor)
4394 oparg_T *oap;
4395 int keep_cursor; /* keep cursor on same text char */
4397 long old_line_count = curbuf->b_ml.ml_line_count;
4399 /* Place the cursor where the "gq" or "gw" command was given, so that "u"
4400 * can put it back there. */
4401 curwin->w_cursor = oap->cursor_start;
4403 if (u_save((linenr_T)(oap->start.lnum - 1),
4404 (linenr_T)(oap->end.lnum + 1)) == FAIL)
4405 return;
4406 curwin->w_cursor = oap->start;
4408 #ifdef FEAT_VISUAL
4409 if (oap->is_VIsual)
4410 /* When there is no change: need to remove the Visual selection */
4411 redraw_curbuf_later(INVERTED);
4412 #endif
4414 /* Set '[ mark at the start of the formatted area */
4415 curbuf->b_op_start = oap->start;
4417 /* For "gw" remember the cursor position and put it back below (adjusted
4418 * for joined and split lines). */
4419 if (keep_cursor)
4420 saved_cursor = oap->cursor_start;
4422 format_lines(oap->line_count, keep_cursor);
4425 * Leave the cursor at the first non-blank of the last formatted line.
4426 * If the cursor was moved one line back (e.g. with "Q}") go to the next
4427 * line, so "." will do the next lines.
4429 if (oap->end_adjusted && curwin->w_cursor.lnum < curbuf->b_ml.ml_line_count)
4430 ++curwin->w_cursor.lnum;
4431 beginline(BL_WHITE | BL_FIX);
4432 old_line_count = curbuf->b_ml.ml_line_count - old_line_count;
4433 msgmore(old_line_count);
4435 /* put '] mark on the end of the formatted area */
4436 curbuf->b_op_end = curwin->w_cursor;
4438 if (keep_cursor)
4440 curwin->w_cursor = saved_cursor;
4441 saved_cursor.lnum = 0;
4444 #ifdef FEAT_VISUAL
4445 if (oap->is_VIsual)
4447 win_T *wp;
4449 FOR_ALL_WINDOWS(wp)
4451 if (wp->w_old_cursor_lnum != 0)
4453 /* When lines have been inserted or deleted, adjust the end of
4454 * the Visual area to be redrawn. */
4455 if (wp->w_old_cursor_lnum > wp->w_old_visual_lnum)
4456 wp->w_old_cursor_lnum += old_line_count;
4457 else
4458 wp->w_old_visual_lnum += old_line_count;
4462 #endif
4465 #if defined(FEAT_EVAL) || defined(PROTO)
4467 * Implementation of the format operator 'gq' for when using 'formatexpr'.
4469 void
4470 op_formatexpr(oap)
4471 oparg_T *oap;
4473 # ifdef FEAT_VISUAL
4474 if (oap->is_VIsual)
4475 /* When there is no change: need to remove the Visual selection */
4476 redraw_curbuf_later(INVERTED);
4477 # endif
4479 (void)fex_format(oap->start.lnum, oap->line_count, NUL);
4483 fex_format(lnum, count, c)
4484 linenr_T lnum;
4485 long count;
4486 int c; /* character to be inserted */
4488 int use_sandbox = was_set_insecurely((char_u *)"formatexpr",
4489 OPT_LOCAL);
4490 int r;
4493 * Set v:lnum to the first line number and v:count to the number of lines.
4494 * Set v:char to the character to be inserted (can be NUL).
4496 set_vim_var_nr(VV_LNUM, lnum);
4497 set_vim_var_nr(VV_COUNT, count);
4498 set_vim_var_char(c);
4501 * Evaluate the function.
4503 if (use_sandbox)
4504 ++sandbox;
4505 r = eval_to_number(curbuf->b_p_fex);
4506 if (use_sandbox)
4507 --sandbox;
4509 set_vim_var_string(VV_CHAR, NULL, -1);
4511 return r;
4513 #endif
4516 * Format "line_count" lines, starting at the cursor position.
4517 * When "line_count" is negative, format until the end of the paragraph.
4518 * Lines after the cursor line are saved for undo, caller must have saved the
4519 * first line.
4521 void
4522 format_lines(line_count, avoid_fex)
4523 linenr_T line_count;
4524 int avoid_fex; /* don't use 'formatexpr' */
4526 int max_len;
4527 int is_not_par; /* current line not part of parag. */
4528 int next_is_not_par; /* next line not part of paragraph */
4529 int is_end_par; /* at end of paragraph */
4530 int prev_is_end_par = FALSE;/* prev. line not part of parag. */
4531 int next_is_start_par = FALSE;
4532 #ifdef FEAT_COMMENTS
4533 int leader_len = 0; /* leader len of current line */
4534 int next_leader_len; /* leader len of next line */
4535 char_u *leader_flags = NULL; /* flags for leader of current line */
4536 char_u *next_leader_flags; /* flags for leader of next line */
4537 int do_comments; /* format comments */
4538 #endif
4539 int advance = TRUE;
4540 int second_indent = -1;
4541 int do_second_indent;
4542 int do_number_indent;
4543 int do_trail_white;
4544 int first_par_line = TRUE;
4545 int smd_save;
4546 long count;
4547 int need_set_indent = TRUE; /* set indent of next paragraph */
4548 int force_format = FALSE;
4549 int old_State = State;
4551 /* length of a line to force formatting: 3 * 'tw' */
4552 max_len = comp_textwidth(TRUE) * 3;
4554 /* check for 'q', '2' and '1' in 'formatoptions' */
4555 #ifdef FEAT_COMMENTS
4556 do_comments = has_format_option(FO_Q_COMS);
4557 #endif
4558 do_second_indent = has_format_option(FO_Q_SECOND);
4559 do_number_indent = has_format_option(FO_Q_NUMBER);
4560 do_trail_white = has_format_option(FO_WHITE_PAR);
4563 * Get info about the previous and current line.
4565 if (curwin->w_cursor.lnum > 1)
4566 is_not_par = fmt_check_par(curwin->w_cursor.lnum - 1
4567 #ifdef FEAT_COMMENTS
4568 , &leader_len, &leader_flags, do_comments
4569 #endif
4571 else
4572 is_not_par = TRUE;
4573 next_is_not_par = fmt_check_par(curwin->w_cursor.lnum
4574 #ifdef FEAT_COMMENTS
4575 , &next_leader_len, &next_leader_flags, do_comments
4576 #endif
4578 is_end_par = (is_not_par || next_is_not_par);
4579 if (!is_end_par && do_trail_white)
4580 is_end_par = !ends_in_white(curwin->w_cursor.lnum - 1);
4582 curwin->w_cursor.lnum--;
4583 for (count = line_count; count != 0 && !got_int; --count)
4586 * Advance to next paragraph.
4588 if (advance)
4590 curwin->w_cursor.lnum++;
4591 prev_is_end_par = is_end_par;
4592 is_not_par = next_is_not_par;
4593 #ifdef FEAT_COMMENTS
4594 leader_len = next_leader_len;
4595 leader_flags = next_leader_flags;
4596 #endif
4600 * The last line to be formatted.
4602 if (count == 1 || curwin->w_cursor.lnum == curbuf->b_ml.ml_line_count)
4604 next_is_not_par = TRUE;
4605 #ifdef FEAT_COMMENTS
4606 next_leader_len = 0;
4607 next_leader_flags = NULL;
4608 #endif
4610 else
4612 next_is_not_par = fmt_check_par(curwin->w_cursor.lnum + 1
4613 #ifdef FEAT_COMMENTS
4614 , &next_leader_len, &next_leader_flags, do_comments
4615 #endif
4617 if (do_number_indent)
4618 next_is_start_par =
4619 (get_number_indent(curwin->w_cursor.lnum + 1) > 0);
4621 advance = TRUE;
4622 is_end_par = (is_not_par || next_is_not_par || next_is_start_par);
4623 if (!is_end_par && do_trail_white)
4624 is_end_par = !ends_in_white(curwin->w_cursor.lnum);
4627 * Skip lines that are not in a paragraph.
4629 if (is_not_par)
4631 if (line_count < 0)
4632 break;
4634 else
4637 * For the first line of a paragraph, check indent of second line.
4638 * Don't do this for comments and empty lines.
4640 if (first_par_line
4641 && (do_second_indent || do_number_indent)
4642 && prev_is_end_par
4643 && curwin->w_cursor.lnum < curbuf->b_ml.ml_line_count
4644 #ifdef FEAT_COMMENTS
4645 && leader_len == 0
4646 && next_leader_len == 0
4647 #endif
4650 if (do_second_indent
4651 && !lineempty(curwin->w_cursor.lnum + 1))
4652 second_indent = get_indent_lnum(curwin->w_cursor.lnum + 1);
4653 else if (do_number_indent)
4654 second_indent = get_number_indent(curwin->w_cursor.lnum);
4658 * When the comment leader changes, it's the end of the paragraph.
4660 if (curwin->w_cursor.lnum >= curbuf->b_ml.ml_line_count
4661 #ifdef FEAT_COMMENTS
4662 || !same_leader(curwin->w_cursor.lnum,
4663 leader_len, leader_flags,
4664 next_leader_len, next_leader_flags)
4665 #endif
4667 is_end_par = TRUE;
4670 * If we have got to the end of a paragraph, or the line is
4671 * getting long, format it.
4673 if (is_end_par || force_format)
4675 if (need_set_indent)
4676 /* replace indent in first line with minimal number of
4677 * tabs and spaces, according to current options */
4678 (void)set_indent(get_indent(), SIN_CHANGED);
4680 /* put cursor on last non-space */
4681 State = NORMAL; /* don't go past end-of-line */
4682 coladvance((colnr_T)MAXCOL);
4683 while (curwin->w_cursor.col && vim_isspace(gchar_cursor()))
4684 dec_cursor();
4686 /* do the formatting, without 'showmode' */
4687 State = INSERT; /* for open_line() */
4688 smd_save = p_smd;
4689 p_smd = FALSE;
4690 insertchar(NUL, INSCHAR_FORMAT
4691 #ifdef FEAT_COMMENTS
4692 + (do_comments ? INSCHAR_DO_COM : 0)
4693 #endif
4694 + (avoid_fex ? INSCHAR_NO_FEX : 0), second_indent);
4695 State = old_State;
4696 p_smd = smd_save;
4697 second_indent = -1;
4698 /* at end of par.: need to set indent of next par. */
4699 need_set_indent = is_end_par;
4700 if (is_end_par)
4702 /* When called with a negative line count, break at the
4703 * end of the paragraph. */
4704 if (line_count < 0)
4705 break;
4706 first_par_line = TRUE;
4708 force_format = FALSE;
4712 * When still in same paragraph, join the lines together. But
4713 * first delete the comment leader from the second line.
4715 if (!is_end_par)
4717 advance = FALSE;
4718 curwin->w_cursor.lnum++;
4719 curwin->w_cursor.col = 0;
4720 if (line_count < 0 && u_save_cursor() == FAIL)
4721 break;
4722 #ifdef FEAT_COMMENTS
4723 (void)del_bytes((long)next_leader_len, FALSE, FALSE);
4724 if (next_leader_len > 0)
4725 mark_col_adjust(curwin->w_cursor.lnum, (colnr_T)0, 0L,
4726 (long)-next_leader_len);
4727 #endif
4728 curwin->w_cursor.lnum--;
4729 if (do_join(TRUE) == FAIL)
4731 beep_flush();
4732 break;
4734 first_par_line = FALSE;
4735 /* If the line is getting long, format it next time */
4736 if (STRLEN(ml_get_curline()) > (size_t)max_len)
4737 force_format = TRUE;
4738 else
4739 force_format = FALSE;
4742 line_breakcheck();
4747 * Return TRUE if line "lnum" ends in a white character.
4749 static int
4750 ends_in_white(lnum)
4751 linenr_T lnum;
4753 char_u *s = ml_get(lnum);
4754 size_t l;
4756 if (*s == NUL)
4757 return FALSE;
4758 /* Don't use STRLEN() inside vim_iswhite(), SAS/C complains: "macro
4759 * invocation may call function multiple times". */
4760 l = STRLEN(s) - 1;
4761 return vim_iswhite(s[l]);
4765 * Blank lines, and lines containing only the comment leader, are left
4766 * untouched by the formatting. The function returns TRUE in this
4767 * case. It also returns TRUE when a line starts with the end of a comment
4768 * ('e' in comment flags), so that this line is skipped, and not joined to the
4769 * previous line. A new paragraph starts after a blank line, or when the
4770 * comment leader changes -- webb.
4772 #ifdef FEAT_COMMENTS
4773 static int
4774 fmt_check_par(lnum, leader_len, leader_flags, do_comments)
4775 linenr_T lnum;
4776 int *leader_len;
4777 char_u **leader_flags;
4778 int do_comments;
4780 char_u *flags = NULL; /* init for GCC */
4781 char_u *ptr;
4783 ptr = ml_get(lnum);
4784 if (do_comments)
4785 *leader_len = get_leader_len(ptr, leader_flags, FALSE);
4786 else
4787 *leader_len = 0;
4789 if (*leader_len > 0)
4792 * Search for 'e' flag in comment leader flags.
4794 flags = *leader_flags;
4795 while (*flags && *flags != ':' && *flags != COM_END)
4796 ++flags;
4799 return (*skipwhite(ptr + *leader_len) == NUL
4800 || (*leader_len > 0 && *flags == COM_END)
4801 || startPS(lnum, NUL, FALSE));
4803 #else
4804 static int
4805 fmt_check_par(lnum)
4806 linenr_T lnum;
4808 return (*skipwhite(ml_get(lnum)) == NUL || startPS(lnum, NUL, FALSE));
4810 #endif
4813 * Return TRUE when a paragraph starts in line "lnum". Return FALSE when the
4814 * previous line is in the same paragraph. Used for auto-formatting.
4817 paragraph_start(lnum)
4818 linenr_T lnum;
4820 char_u *p;
4821 #ifdef FEAT_COMMENTS
4822 int leader_len = 0; /* leader len of current line */
4823 char_u *leader_flags = NULL; /* flags for leader of current line */
4824 int next_leader_len; /* leader len of next line */
4825 char_u *next_leader_flags; /* flags for leader of next line */
4826 int do_comments; /* format comments */
4827 #endif
4829 if (lnum <= 1)
4830 return TRUE; /* start of the file */
4832 p = ml_get(lnum - 1);
4833 if (*p == NUL)
4834 return TRUE; /* after empty line */
4836 #ifdef FEAT_COMMENTS
4837 do_comments = has_format_option(FO_Q_COMS);
4838 #endif
4839 if (fmt_check_par(lnum - 1
4840 #ifdef FEAT_COMMENTS
4841 , &leader_len, &leader_flags, do_comments
4842 #endif
4844 return TRUE; /* after non-paragraph line */
4846 if (fmt_check_par(lnum
4847 #ifdef FEAT_COMMENTS
4848 , &next_leader_len, &next_leader_flags, do_comments
4849 #endif
4851 return TRUE; /* "lnum" is not a paragraph line */
4853 if (has_format_option(FO_WHITE_PAR) && !ends_in_white(lnum - 1))
4854 return TRUE; /* missing trailing space in previous line. */
4856 if (has_format_option(FO_Q_NUMBER) && (get_number_indent(lnum) > 0))
4857 return TRUE; /* numbered item starts in "lnum". */
4859 #ifdef FEAT_COMMENTS
4860 if (!same_leader(lnum - 1, leader_len, leader_flags,
4861 next_leader_len, next_leader_flags))
4862 return TRUE; /* change of comment leader. */
4863 #endif
4865 return FALSE;
4868 #ifdef FEAT_VISUAL
4870 * prepare a few things for block mode yank/delete/tilde
4872 * for delete:
4873 * - textlen includes the first/last char to be (partly) deleted
4874 * - start/endspaces is the number of columns that are taken by the
4875 * first/last deleted char minus the number of columns that have to be
4876 * deleted.
4877 * for yank and tilde:
4878 * - textlen includes the first/last char to be wholly yanked
4879 * - start/endspaces is the number of columns of the first/last yanked char
4880 * that are to be yanked.
4882 static void
4883 block_prep(oap, bdp, lnum, is_del)
4884 oparg_T *oap;
4885 struct block_def *bdp;
4886 linenr_T lnum;
4887 int is_del;
4889 int incr = 0;
4890 char_u *pend;
4891 char_u *pstart;
4892 char_u *line;
4893 char_u *prev_pstart;
4894 char_u *prev_pend;
4896 bdp->startspaces = 0;
4897 bdp->endspaces = 0;
4898 bdp->textlen = 0;
4899 bdp->start_vcol = 0;
4900 bdp->end_vcol = 0;
4901 #ifdef FEAT_VISUALEXTRA
4902 bdp->is_short = FALSE;
4903 bdp->is_oneChar = FALSE;
4904 bdp->pre_whitesp = 0;
4905 bdp->pre_whitesp_c = 0;
4906 bdp->end_char_vcols = 0;
4907 #endif
4908 bdp->start_char_vcols = 0;
4910 line = ml_get(lnum);
4911 pstart = line;
4912 prev_pstart = line;
4913 while (bdp->start_vcol < oap->start_vcol && *pstart)
4915 /* Count a tab for what it's worth (if list mode not on) */
4916 incr = lbr_chartabsize(pstart, (colnr_T)bdp->start_vcol);
4917 bdp->start_vcol += incr;
4918 #ifdef FEAT_VISUALEXTRA
4919 if (vim_iswhite(*pstart))
4921 bdp->pre_whitesp += incr;
4922 bdp->pre_whitesp_c++;
4924 else
4926 bdp->pre_whitesp = 0;
4927 bdp->pre_whitesp_c = 0;
4929 #endif
4930 prev_pstart = pstart;
4931 mb_ptr_adv(pstart);
4933 bdp->start_char_vcols = incr;
4934 if (bdp->start_vcol < oap->start_vcol) /* line too short */
4936 bdp->end_vcol = bdp->start_vcol;
4937 #ifdef FEAT_VISUALEXTRA
4938 bdp->is_short = TRUE;
4939 #endif
4940 if (!is_del || oap->op_type == OP_APPEND)
4941 bdp->endspaces = oap->end_vcol - oap->start_vcol + 1;
4943 else
4945 /* notice: this converts partly selected Multibyte characters to
4946 * spaces, too. */
4947 bdp->startspaces = bdp->start_vcol - oap->start_vcol;
4948 if (is_del && bdp->startspaces)
4949 bdp->startspaces = bdp->start_char_vcols - bdp->startspaces;
4950 pend = pstart;
4951 bdp->end_vcol = bdp->start_vcol;
4952 if (bdp->end_vcol > oap->end_vcol) /* it's all in one character */
4954 #ifdef FEAT_VISUALEXTRA
4955 bdp->is_oneChar = TRUE;
4956 #endif
4957 if (oap->op_type == OP_INSERT)
4958 bdp->endspaces = bdp->start_char_vcols - bdp->startspaces;
4959 else if (oap->op_type == OP_APPEND)
4961 bdp->startspaces += oap->end_vcol - oap->start_vcol + 1;
4962 bdp->endspaces = bdp->start_char_vcols - bdp->startspaces;
4964 else
4966 bdp->startspaces = oap->end_vcol - oap->start_vcol + 1;
4967 if (is_del && oap->op_type != OP_LSHIFT)
4969 /* just putting the sum of those two into
4970 * bdp->startspaces doesn't work for Visual replace,
4971 * so we have to split the tab in two */
4972 bdp->startspaces = bdp->start_char_vcols
4973 - (bdp->start_vcol - oap->start_vcol);
4974 bdp->endspaces = bdp->end_vcol - oap->end_vcol - 1;
4978 else
4980 prev_pend = pend;
4981 while (bdp->end_vcol <= oap->end_vcol && *pend != NUL)
4983 /* Count a tab for what it's worth (if list mode not on) */
4984 prev_pend = pend;
4985 incr = lbr_chartabsize_adv(&pend, (colnr_T)bdp->end_vcol);
4986 bdp->end_vcol += incr;
4988 if (bdp->end_vcol <= oap->end_vcol
4989 && (!is_del
4990 || oap->op_type == OP_APPEND
4991 || oap->op_type == OP_REPLACE)) /* line too short */
4993 #ifdef FEAT_VISUALEXTRA
4994 bdp->is_short = TRUE;
4995 #endif
4996 /* Alternative: include spaces to fill up the block.
4997 * Disadvantage: can lead to trailing spaces when the line is
4998 * short where the text is put */
4999 /* if (!is_del || oap->op_type == OP_APPEND) */
5000 if (oap->op_type == OP_APPEND || virtual_op)
5001 bdp->endspaces = oap->end_vcol - bdp->end_vcol
5002 + oap->inclusive;
5003 else
5004 bdp->endspaces = 0; /* replace doesn't add characters */
5006 else if (bdp->end_vcol > oap->end_vcol)
5008 bdp->endspaces = bdp->end_vcol - oap->end_vcol - 1;
5009 if (!is_del && bdp->endspaces)
5011 bdp->endspaces = incr - bdp->endspaces;
5012 if (pend != pstart)
5013 pend = prev_pend;
5017 #ifdef FEAT_VISUALEXTRA
5018 bdp->end_char_vcols = incr;
5019 #endif
5020 if (is_del && bdp->startspaces)
5021 pstart = prev_pstart;
5022 bdp->textlen = (int)(pend - pstart);
5024 bdp->textcol = (colnr_T) (pstart - line);
5025 bdp->textstart = pstart;
5027 #endif /* FEAT_VISUAL */
5029 #ifdef FEAT_RIGHTLEFT
5030 static void reverse_line __ARGS((char_u *s));
5032 static void
5033 reverse_line(s)
5034 char_u *s;
5036 int i, j;
5037 char_u c;
5039 if ((i = (int)STRLEN(s) - 1) <= 0)
5040 return;
5042 curwin->w_cursor.col = i - curwin->w_cursor.col;
5043 for (j = 0; j < i; j++, i--)
5045 c = s[i]; s[i] = s[j]; s[j] = c;
5049 # define RLADDSUBFIX(ptr) if (curwin->w_p_rl) reverse_line(ptr);
5050 #else
5051 # define RLADDSUBFIX(ptr)
5052 #endif
5055 * add or subtract 'Prenum1' from a number in a line
5056 * 'command' is CTRL-A for add, CTRL-X for subtract
5058 * return FAIL for failure, OK otherwise
5061 do_addsub(command, Prenum1)
5062 int command;
5063 linenr_T Prenum1;
5065 int col;
5066 char_u *buf1;
5067 char_u buf2[NUMBUFLEN];
5068 int hex; /* 'X' or 'x': hex; '0': octal */
5069 static int hexupper = FALSE; /* 0xABC */
5070 unsigned long n;
5071 long_u oldn;
5072 char_u *ptr;
5073 int c;
5074 int length = 0; /* character length of the number */
5075 int todel;
5076 int dohex;
5077 int dooct;
5078 int doalp;
5079 int firstdigit;
5080 int negative;
5081 int subtract;
5083 dohex = (vim_strchr(curbuf->b_p_nf, 'x') != NULL); /* "heX" */
5084 dooct = (vim_strchr(curbuf->b_p_nf, 'o') != NULL); /* "Octal" */
5085 doalp = (vim_strchr(curbuf->b_p_nf, 'p') != NULL); /* "alPha" */
5087 ptr = ml_get_curline();
5088 RLADDSUBFIX(ptr);
5091 * First check if we are on a hexadecimal number, after the "0x".
5093 col = curwin->w_cursor.col;
5094 if (dohex)
5095 while (col > 0 && vim_isxdigit(ptr[col]))
5096 --col;
5097 if ( dohex
5098 && col > 0
5099 && (ptr[col] == 'X'
5100 || ptr[col] == 'x')
5101 && ptr[col - 1] == '0'
5102 && vim_isxdigit(ptr[col + 1]))
5105 * Found hexadecimal number, move to its start.
5107 --col;
5109 else
5112 * Search forward and then backward to find the start of number.
5114 col = curwin->w_cursor.col;
5116 while (ptr[col] != NUL
5117 && !vim_isdigit(ptr[col])
5118 && !(doalp && ASCII_ISALPHA(ptr[col])))
5119 ++col;
5121 while (col > 0
5122 && vim_isdigit(ptr[col - 1])
5123 && !(doalp && ASCII_ISALPHA(ptr[col])))
5124 --col;
5128 * If a number was found, and saving for undo works, replace the number.
5130 firstdigit = ptr[col];
5131 RLADDSUBFIX(ptr);
5132 if ((!VIM_ISDIGIT(firstdigit) && !(doalp && ASCII_ISALPHA(firstdigit)))
5133 || u_save_cursor() != OK)
5135 beep_flush();
5136 return FAIL;
5139 /* get ptr again, because u_save() may have changed it */
5140 ptr = ml_get_curline();
5141 RLADDSUBFIX(ptr);
5143 if (doalp && ASCII_ISALPHA(firstdigit))
5145 /* decrement or increment alphabetic character */
5146 if (command == Ctrl_X)
5148 if (CharOrd(firstdigit) < Prenum1)
5150 if (isupper(firstdigit))
5151 firstdigit = 'A';
5152 else
5153 firstdigit = 'a';
5155 else
5156 #ifdef EBCDIC
5157 firstdigit = EBCDIC_CHAR_ADD(firstdigit, -Prenum1);
5158 #else
5159 firstdigit -= Prenum1;
5160 #endif
5162 else
5164 if (26 - CharOrd(firstdigit) - 1 < Prenum1)
5166 if (isupper(firstdigit))
5167 firstdigit = 'Z';
5168 else
5169 firstdigit = 'z';
5171 else
5172 #ifdef EBCDIC
5173 firstdigit = EBCDIC_CHAR_ADD(firstdigit, Prenum1);
5174 #else
5175 firstdigit += Prenum1;
5176 #endif
5178 curwin->w_cursor.col = col;
5179 (void)del_char(FALSE);
5180 ins_char(firstdigit);
5182 else
5184 negative = FALSE;
5185 if (col > 0 && ptr[col - 1] == '-') /* negative number */
5187 --col;
5188 negative = TRUE;
5191 /* get the number value (unsigned) */
5192 vim_str2nr(ptr + col, &hex, &length, dooct, dohex, NULL, &n);
5194 /* ignore leading '-' for hex and octal numbers */
5195 if (hex && negative)
5197 ++col;
5198 --length;
5199 negative = FALSE;
5202 /* add or subtract */
5203 subtract = FALSE;
5204 if (command == Ctrl_X)
5205 subtract ^= TRUE;
5206 if (negative)
5207 subtract ^= TRUE;
5209 oldn = n;
5210 if (subtract)
5211 n -= (unsigned long)Prenum1;
5212 else
5213 n += (unsigned long)Prenum1;
5215 /* handle wraparound for decimal numbers */
5216 if (!hex)
5218 if (subtract)
5220 if (n > oldn)
5222 n = 1 + (n ^ (unsigned long)-1);
5223 negative ^= TRUE;
5226 else /* add */
5228 if (n < oldn)
5230 n = (n ^ (unsigned long)-1);
5231 negative ^= TRUE;
5234 if (n == 0)
5235 negative = FALSE;
5239 * Delete the old number.
5241 curwin->w_cursor.col = col;
5242 todel = length;
5243 c = gchar_cursor();
5245 * Don't include the '-' in the length, only the length of the part
5246 * after it is kept the same.
5248 if (c == '-')
5249 --length;
5250 while (todel-- > 0)
5252 if (c < 0x100 && isalpha(c))
5254 if (isupper(c))
5255 hexupper = TRUE;
5256 else
5257 hexupper = FALSE;
5259 /* del_char() will mark line needing displaying */
5260 (void)del_char(FALSE);
5261 c = gchar_cursor();
5265 * Prepare the leading characters in buf1[].
5266 * When there are many leading zeros it could be very long. Allocate
5267 * a bit too much.
5269 buf1 = alloc((unsigned)length + NUMBUFLEN);
5270 if (buf1 == NULL)
5271 return FAIL;
5272 ptr = buf1;
5273 if (negative)
5275 *ptr++ = '-';
5277 if (hex)
5279 *ptr++ = '0';
5280 --length;
5282 if (hex == 'x' || hex == 'X')
5284 *ptr++ = hex;
5285 --length;
5289 * Put the number characters in buf2[].
5291 if (hex == 0)
5292 sprintf((char *)buf2, "%lu", n);
5293 else if (hex == '0')
5294 sprintf((char *)buf2, "%lo", n);
5295 else if (hex && hexupper)
5296 sprintf((char *)buf2, "%lX", n);
5297 else
5298 sprintf((char *)buf2, "%lx", n);
5299 length -= (int)STRLEN(buf2);
5302 * Adjust number of zeros to the new number of digits, so the
5303 * total length of the number remains the same.
5304 * Don't do this when
5305 * the result may look like an octal number.
5307 if (firstdigit == '0' && !(dooct && hex == 0))
5308 while (length-- > 0)
5309 *ptr++ = '0';
5310 *ptr = NUL;
5311 STRCAT(buf1, buf2);
5312 ins_str(buf1); /* insert the new number */
5313 vim_free(buf1);
5315 --curwin->w_cursor.col;
5316 curwin->w_set_curswant = TRUE;
5317 #ifdef FEAT_RIGHTLEFT
5318 ptr = ml_get_buf(curbuf, curwin->w_cursor.lnum, TRUE);
5319 RLADDSUBFIX(ptr);
5320 #endif
5321 return OK;
5324 #ifdef FEAT_VIMINFO
5326 read_viminfo_register(virp, force)
5327 vir_T *virp;
5328 int force;
5330 int eof;
5331 int do_it = TRUE;
5332 int size;
5333 int limit;
5334 int i;
5335 int set_prev = FALSE;
5336 char_u *str;
5337 char_u **array = NULL;
5339 /* We only get here (hopefully) if line[0] == '"' */
5340 str = virp->vir_line + 1;
5342 /* If the line starts with "" this is the y_previous register. */
5343 if (*str == '"')
5345 set_prev = TRUE;
5346 str++;
5349 if (!ASCII_ISALNUM(*str) && *str != '-')
5351 if (viminfo_error("E577: ", _("Illegal register name"), virp->vir_line))
5352 return TRUE; /* too many errors, pretend end-of-file */
5353 do_it = FALSE;
5355 get_yank_register(*str++, FALSE);
5356 if (!force && y_current->y_array != NULL)
5357 do_it = FALSE;
5359 if (*str == '@')
5361 /* "x@: register x used for @@ */
5362 if (force || execreg_lastc == NUL)
5363 execreg_lastc = str[-1];
5366 size = 0;
5367 limit = 100; /* Optimized for registers containing <= 100 lines */
5368 if (do_it)
5370 if (set_prev)
5371 y_previous = y_current;
5372 vim_free(y_current->y_array);
5373 array = y_current->y_array =
5374 (char_u **)alloc((unsigned)(limit * sizeof(char_u *)));
5375 str = skipwhite(skiptowhite(str));
5376 if (STRNCMP(str, "CHAR", 4) == 0)
5377 y_current->y_type = MCHAR;
5378 #ifdef FEAT_VISUAL
5379 else if (STRNCMP(str, "BLOCK", 5) == 0)
5380 y_current->y_type = MBLOCK;
5381 #endif
5382 else
5383 y_current->y_type = MLINE;
5384 /* get the block width; if it's missing we get a zero, which is OK */
5385 str = skipwhite(skiptowhite(str));
5386 #ifdef FEAT_VISUAL
5387 y_current->y_width = getdigits(&str);
5388 #else
5389 (void)getdigits(&str);
5390 #endif
5393 while (!(eof = viminfo_readline(virp))
5394 && (virp->vir_line[0] == TAB || virp->vir_line[0] == '<'))
5396 if (do_it)
5398 if (size >= limit)
5400 y_current->y_array = (char_u **)
5401 alloc((unsigned)(limit * 2 * sizeof(char_u *)));
5402 for (i = 0; i < limit; i++)
5403 y_current->y_array[i] = array[i];
5404 vim_free(array);
5405 limit *= 2;
5406 array = y_current->y_array;
5408 str = viminfo_readstring(virp, 1, TRUE);
5409 if (str != NULL)
5410 array[size++] = str;
5411 else
5412 do_it = FALSE;
5415 if (do_it)
5417 if (size == 0)
5419 vim_free(array);
5420 y_current->y_array = NULL;
5422 else if (size < limit)
5424 y_current->y_array =
5425 (char_u **)alloc((unsigned)(size * sizeof(char_u *)));
5426 for (i = 0; i < size; i++)
5427 y_current->y_array[i] = array[i];
5428 vim_free(array);
5430 y_current->y_size = size;
5432 return eof;
5435 void
5436 write_viminfo_registers(fp)
5437 FILE *fp;
5439 int i, j;
5440 char_u *type;
5441 char_u c;
5442 int num_lines;
5443 int max_num_lines;
5444 int max_kbyte;
5445 long len;
5447 fprintf(fp, _("\n# Registers:\n"));
5449 /* Get '<' value, use old '"' value if '<' is not found. */
5450 max_num_lines = get_viminfo_parameter('<');
5451 if (max_num_lines < 0)
5452 max_num_lines = get_viminfo_parameter('"');
5453 if (max_num_lines == 0)
5454 return;
5455 max_kbyte = get_viminfo_parameter('s');
5456 if (max_kbyte == 0)
5457 return;
5459 for (i = 0; i < NUM_REGISTERS; i++)
5461 if (y_regs[i].y_array == NULL)
5462 continue;
5463 #ifdef FEAT_CLIPBOARD
5464 /* Skip '*'/'+' register, we don't want them back next time */
5465 if (i == STAR_REGISTER || i == PLUS_REGISTER)
5466 continue;
5467 #endif
5468 #ifdef FEAT_DND
5469 /* Neither do we want the '~' register */
5470 if (i == TILDE_REGISTER)
5471 continue;
5472 #endif
5473 /* Skip empty registers. */
5474 num_lines = y_regs[i].y_size;
5475 if (num_lines == 0
5476 || (num_lines == 1 && y_regs[i].y_type == MCHAR
5477 && STRLEN(y_regs[i].y_array[0]) == 0))
5478 continue;
5480 if (max_kbyte > 0)
5482 /* Skip register if there is more text than the maximum size. */
5483 len = 0;
5484 for (j = 0; j < num_lines; j++)
5485 len += (long)STRLEN(y_regs[i].y_array[j]) + 1L;
5486 if (len > (long)max_kbyte * 1024L)
5487 continue;
5490 switch (y_regs[i].y_type)
5492 case MLINE:
5493 type = (char_u *)"LINE";
5494 break;
5495 case MCHAR:
5496 type = (char_u *)"CHAR";
5497 break;
5498 #ifdef FEAT_VISUAL
5499 case MBLOCK:
5500 type = (char_u *)"BLOCK";
5501 break;
5502 #endif
5503 default:
5504 sprintf((char *)IObuff, _("E574: Unknown register type %d"),
5505 y_regs[i].y_type);
5506 emsg(IObuff);
5507 type = (char_u *)"LINE";
5508 break;
5510 if (y_previous == &y_regs[i])
5511 fprintf(fp, "\"");
5512 c = get_register_name(i);
5513 fprintf(fp, "\"%c", c);
5514 if (c == execreg_lastc)
5515 fprintf(fp, "@");
5516 fprintf(fp, "\t%s\t%d\n", type,
5517 #ifdef FEAT_VISUAL
5518 (int)y_regs[i].y_width
5519 #else
5521 #endif
5524 /* If max_num_lines < 0, then we save ALL the lines in the register */
5525 if (max_num_lines > 0 && num_lines > max_num_lines)
5526 num_lines = max_num_lines;
5527 for (j = 0; j < num_lines; j++)
5529 putc('\t', fp);
5530 viminfo_writestring(fp, y_regs[i].y_array[j]);
5534 #endif /* FEAT_VIMINFO */
5536 #if defined(FEAT_CLIPBOARD) || defined(PROTO)
5538 * SELECTION / PRIMARY ('*')
5540 * Text selection stuff that uses the GUI selection register '*'. When using a
5541 * GUI this may be text from another window, otherwise it is the last text we
5542 * had highlighted with VIsual mode. With mouse support, clicking the middle
5543 * button performs the paste, otherwise you will need to do <"*p>. "
5544 * If not under X, it is synonymous with the clipboard register '+'.
5546 * X CLIPBOARD ('+')
5548 * Text selection stuff that uses the GUI clipboard register '+'.
5549 * Under X, this matches the standard cut/paste buffer CLIPBOARD selection.
5550 * It will be used for unnamed cut/pasting is 'clipboard' contains "unnamed",
5551 * otherwise you will need to do <"+p>. "
5552 * If not under X, it is synonymous with the selection register '*'.
5556 * Routine to export any final X selection we had to the environment
5557 * so that the text is still available after vim has exited. X selections
5558 * only exist while the owning application exists, so we write to the
5559 * permanent (while X runs) store CUT_BUFFER0.
5560 * Dump the CLIPBOARD selection if we own it (it's logically the more
5561 * 'permanent' of the two), otherwise the PRIMARY one.
5562 * For now, use a hard-coded sanity limit of 1Mb of data.
5564 #if defined(FEAT_X11) && defined(FEAT_CLIPBOARD)
5565 void
5566 x11_export_final_selection()
5568 Display *dpy;
5569 char_u *str = NULL;
5570 long_u len = 0;
5571 int motion_type = -1;
5573 # ifdef FEAT_GUI
5574 if (gui.in_use)
5575 dpy = X_DISPLAY;
5576 else
5577 # endif
5578 # ifdef FEAT_XCLIPBOARD
5579 dpy = xterm_dpy;
5580 # else
5581 return;
5582 # endif
5584 /* Get selection to export */
5585 if (clip_plus.owned)
5586 motion_type = clip_convert_selection(&str, &len, &clip_plus);
5587 else if (clip_star.owned)
5588 motion_type = clip_convert_selection(&str, &len, &clip_star);
5590 /* Check it's OK */
5591 if (dpy != NULL && str != NULL && motion_type >= 0
5592 && len < 1024*1024 && len > 0)
5594 #ifdef FEAT_MBYTE
5595 /* The CUT_BUFFER0 is supposed to always contain latin1. Convert from
5596 * 'enc' when it is a multi-byte encoding. When 'enc' is an 8-bit
5597 * encoding conversion usually doesn't work, so keep the text as-is.
5599 if (has_mbyte)
5601 vimconv_T vc;
5603 vc.vc_type = CONV_NONE;
5604 if (convert_setup(&vc, p_enc, (char_u *)"latin1") == OK)
5606 int intlen = len;
5607 char_u *conv_str;
5609 conv_str = string_convert(&vc, str, &intlen);
5610 len = intlen;
5611 if (conv_str != NULL)
5613 vim_free(str);
5614 str = conv_str;
5616 convert_setup(&vc, NULL, NULL);
5619 #endif
5620 XStoreBuffer(dpy, (char *)str, (int)len, 0);
5621 XFlush(dpy);
5624 vim_free(str);
5626 #endif
5628 void
5629 clip_free_selection(cbd)
5630 VimClipboard *cbd;
5632 struct yankreg *y_ptr = y_current;
5634 if (cbd == &clip_plus)
5635 y_current = &y_regs[PLUS_REGISTER];
5636 else
5637 y_current = &y_regs[STAR_REGISTER];
5638 free_yank_all();
5639 y_current->y_size = 0;
5640 y_current = y_ptr;
5644 * Get the selected text and put it in the gui selection register '*' or '+'.
5646 void
5647 clip_get_selection(cbd)
5648 VimClipboard *cbd;
5650 struct yankreg *old_y_previous, *old_y_current;
5651 pos_T old_cursor;
5652 #ifdef FEAT_VISUAL
5653 pos_T old_visual;
5654 int old_visual_mode;
5655 #endif
5656 colnr_T old_curswant;
5657 int old_set_curswant;
5658 pos_T old_op_start, old_op_end;
5659 oparg_T oa;
5660 cmdarg_T ca;
5662 if (cbd->owned)
5664 if ((cbd == &clip_plus && y_regs[PLUS_REGISTER].y_array != NULL)
5665 || (cbd == &clip_star && y_regs[STAR_REGISTER].y_array != NULL))
5666 return;
5668 /* Get the text between clip_star.start & clip_star.end */
5669 old_y_previous = y_previous;
5670 old_y_current = y_current;
5671 old_cursor = curwin->w_cursor;
5672 old_curswant = curwin->w_curswant;
5673 old_set_curswant = curwin->w_set_curswant;
5674 old_op_start = curbuf->b_op_start;
5675 old_op_end = curbuf->b_op_end;
5676 #ifdef FEAT_VISUAL
5677 old_visual = VIsual;
5678 old_visual_mode = VIsual_mode;
5679 #endif
5680 clear_oparg(&oa);
5681 oa.regname = (cbd == &clip_plus ? '+' : '*');
5682 oa.op_type = OP_YANK;
5683 vim_memset(&ca, 0, sizeof(ca));
5684 ca.oap = &oa;
5685 ca.cmdchar = 'y';
5686 ca.count1 = 1;
5687 ca.retval = CA_NO_ADJ_OP_END;
5688 do_pending_operator(&ca, 0, TRUE);
5689 y_previous = old_y_previous;
5690 y_current = old_y_current;
5691 curwin->w_cursor = old_cursor;
5692 changed_cline_bef_curs(); /* need to update w_virtcol et al */
5693 curwin->w_curswant = old_curswant;
5694 curwin->w_set_curswant = old_set_curswant;
5695 curbuf->b_op_start = old_op_start;
5696 curbuf->b_op_end = old_op_end;
5697 #ifdef FEAT_VISUAL
5698 VIsual = old_visual;
5699 VIsual_mode = old_visual_mode;
5700 #endif
5702 else
5704 clip_free_selection(cbd);
5706 /* Try to get selected text from another window */
5707 clip_gen_request_selection(cbd);
5711 /* Convert from the GUI selection string into the '*'/'+' register */
5712 void
5713 clip_yank_selection(type, str, len, cbd)
5714 int type;
5715 char_u *str;
5716 long len;
5717 VimClipboard *cbd;
5719 struct yankreg *y_ptr;
5721 if (cbd == &clip_plus)
5722 y_ptr = &y_regs[PLUS_REGISTER];
5723 else
5724 y_ptr = &y_regs[STAR_REGISTER];
5726 clip_free_selection(cbd);
5728 str_to_reg(y_ptr, type, str, len, 0L);
5732 * Convert the '*'/'+' register into a GUI selection string returned in *str
5733 * with length *len.
5734 * Returns the motion type, or -1 for failure.
5737 clip_convert_selection(str, len, cbd)
5738 char_u **str;
5739 long_u *len;
5740 VimClipboard *cbd;
5742 char_u *p;
5743 int lnum;
5744 int i, j;
5745 int_u eolsize;
5746 struct yankreg *y_ptr;
5748 if (cbd == &clip_plus)
5749 y_ptr = &y_regs[PLUS_REGISTER];
5750 else
5751 y_ptr = &y_regs[STAR_REGISTER];
5753 #ifdef USE_CRNL
5754 eolsize = 2;
5755 #else
5756 eolsize = 1;
5757 #endif
5759 *str = NULL;
5760 *len = 0;
5761 if (y_ptr->y_array == NULL)
5762 return -1;
5764 for (i = 0; i < y_ptr->y_size; i++)
5765 *len += (long_u)STRLEN(y_ptr->y_array[i]) + eolsize;
5768 * Don't want newline character at end of last line if we're in MCHAR mode.
5770 if (y_ptr->y_type == MCHAR && *len >= eolsize)
5771 *len -= eolsize;
5773 p = *str = lalloc(*len + 1, TRUE); /* add one to avoid zero */
5774 if (p == NULL)
5775 return -1;
5776 lnum = 0;
5777 for (i = 0, j = 0; i < (int)*len; i++, j++)
5779 if (y_ptr->y_array[lnum][j] == '\n')
5780 p[i] = NUL;
5781 else if (y_ptr->y_array[lnum][j] == NUL)
5783 #ifdef USE_CRNL
5784 p[i++] = '\r';
5785 #endif
5786 #ifdef USE_CR
5787 p[i] = '\r';
5788 #else
5789 p[i] = '\n';
5790 #endif
5791 lnum++;
5792 j = -1;
5794 else
5795 p[i] = y_ptr->y_array[lnum][j];
5797 return y_ptr->y_type;
5801 # if defined(FEAT_VISUAL) || defined(FEAT_EVAL)
5803 * If we have written to a clipboard register, send the text to the clipboard.
5805 static void
5806 may_set_selection()
5808 if (y_current == &(y_regs[STAR_REGISTER]) && clip_star.available)
5810 clip_own_selection(&clip_star);
5811 clip_gen_set_selection(&clip_star);
5813 else if (y_current == &(y_regs[PLUS_REGISTER]) && clip_plus.available)
5815 clip_own_selection(&clip_plus);
5816 clip_gen_set_selection(&clip_plus);
5819 # endif
5821 #endif /* FEAT_CLIPBOARD || PROTO */
5824 #if defined(FEAT_DND) || defined(PROTO)
5826 * Replace the contents of the '~' register with str.
5828 void
5829 dnd_yank_drag_data(str, len)
5830 char_u *str;
5831 long len;
5833 struct yankreg *curr;
5835 curr = y_current;
5836 y_current = &y_regs[TILDE_REGISTER];
5837 free_yank_all();
5838 str_to_reg(y_current, MCHAR, str, len, 0L);
5839 y_current = curr;
5841 #endif
5844 #if defined(FEAT_EVAL) || defined(PROTO)
5846 * Return the type of a register.
5847 * Used for getregtype()
5848 * Returns MAUTO for error.
5850 char_u
5851 get_reg_type(regname, reglen)
5852 int regname;
5853 long *reglen;
5855 switch (regname)
5857 case '%': /* file name */
5858 case '#': /* alternate file name */
5859 case '=': /* expression */
5860 case ':': /* last command line */
5861 case '/': /* last search-pattern */
5862 case '.': /* last inserted text */
5863 #ifdef FEAT_SEARCHPATH
5864 case Ctrl_F: /* Filename under cursor */
5865 case Ctrl_P: /* Path under cursor, expand via "path" */
5866 #endif
5867 case Ctrl_W: /* word under cursor */
5868 case Ctrl_A: /* WORD (mnemonic All) under cursor */
5869 case '_': /* black hole: always empty */
5870 return MCHAR;
5873 #ifdef FEAT_CLIPBOARD
5874 regname = may_get_selection(regname);
5875 #endif
5877 /* Should we check for a valid name? */
5878 get_yank_register(regname, FALSE);
5880 if (y_current->y_array != NULL)
5882 #ifdef FEAT_VISUAL
5883 if (reglen != NULL && y_current->y_type == MBLOCK)
5884 *reglen = y_current->y_width;
5885 #endif
5886 return y_current->y_type;
5888 return MAUTO;
5892 * Return the contents of a register as a single allocated string.
5893 * Used for "@r" in expressions and for getreg().
5894 * Returns NULL for error.
5896 char_u *
5897 get_reg_contents(regname, allowexpr, expr_src)
5898 int regname;
5899 int allowexpr; /* allow "=" register */
5900 int expr_src; /* get expression for "=" register */
5902 long i;
5903 char_u *retval;
5904 int allocated;
5905 long len;
5907 /* Don't allow using an expression register inside an expression */
5908 if (regname == '=')
5910 if (allowexpr)
5912 if (expr_src)
5913 return get_expr_line_src();
5914 return get_expr_line();
5916 return NULL;
5919 if (regname == '@') /* "@@" is used for unnamed register */
5920 regname = '"';
5922 /* check for valid regname */
5923 if (regname != NUL && !valid_yank_reg(regname, FALSE))
5924 return NULL;
5926 #ifdef FEAT_CLIPBOARD
5927 regname = may_get_selection(regname);
5928 #endif
5930 if (get_spec_reg(regname, &retval, &allocated, FALSE))
5932 if (retval == NULL)
5933 return NULL;
5934 if (!allocated)
5935 retval = vim_strsave(retval);
5936 return retval;
5939 get_yank_register(regname, FALSE);
5940 if (y_current->y_array == NULL)
5941 return NULL;
5944 * Compute length of resulting string.
5946 len = 0;
5947 for (i = 0; i < y_current->y_size; ++i)
5949 len += (long)STRLEN(y_current->y_array[i]);
5951 * Insert a newline between lines and after last line if
5952 * y_type is MLINE.
5954 if (y_current->y_type == MLINE || i < y_current->y_size - 1)
5955 ++len;
5958 retval = lalloc(len + 1, TRUE);
5961 * Copy the lines of the yank register into the string.
5963 if (retval != NULL)
5965 len = 0;
5966 for (i = 0; i < y_current->y_size; ++i)
5968 STRCPY(retval + len, y_current->y_array[i]);
5969 len += (long)STRLEN(retval + len);
5972 * Insert a NL between lines and after the last line if y_type is
5973 * MLINE.
5975 if (y_current->y_type == MLINE || i < y_current->y_size - 1)
5976 retval[len++] = '\n';
5978 retval[len] = NUL;
5981 return retval;
5985 * Store string "str" in register "name".
5986 * "maxlen" is the maximum number of bytes to use, -1 for all bytes.
5987 * If "must_append" is TRUE, always append to the register. Otherwise append
5988 * if "name" is an uppercase letter.
5989 * Note: "maxlen" and "must_append" don't work for the "/" register.
5990 * Careful: 'str' is modified, you may have to use a copy!
5991 * If "str" ends in '\n' or '\r', use linewise, otherwise use characterwise.
5993 void
5994 write_reg_contents(name, str, maxlen, must_append)
5995 int name;
5996 char_u *str;
5997 int maxlen;
5998 int must_append;
6000 write_reg_contents_ex(name, str, maxlen, must_append, MAUTO, 0L);
6003 void
6004 write_reg_contents_ex(name, str, maxlen, must_append, yank_type, block_len)
6005 int name;
6006 char_u *str;
6007 int maxlen;
6008 int must_append;
6009 int yank_type;
6010 long block_len;
6012 struct yankreg *old_y_previous, *old_y_current;
6013 long len;
6015 if (maxlen >= 0)
6016 len = maxlen;
6017 else
6018 len = (long)STRLEN(str);
6020 /* Special case: '/' search pattern */
6021 if (name == '/')
6023 set_last_search_pat(str, RE_SEARCH, TRUE, TRUE);
6024 return;
6027 #ifdef FEAT_EVAL
6028 if (name == '=')
6030 char_u *p, *s;
6032 p = vim_strnsave(str, (int)len);
6033 if (p == NULL)
6034 return;
6035 if (must_append)
6037 s = concat_str(get_expr_line_src(), p);
6038 vim_free(p);
6039 p = s;
6042 set_expr_line(p);
6043 return;
6045 #endif
6047 if (!valid_yank_reg(name, TRUE)) /* check for valid reg name */
6049 emsg_invreg(name);
6050 return;
6053 if (name == '_') /* black hole: nothing to do */
6054 return;
6056 /* Don't want to change the current (unnamed) register */
6057 old_y_previous = y_previous;
6058 old_y_current = y_current;
6060 get_yank_register(name, TRUE);
6061 if (!y_append && !must_append)
6062 free_yank_all();
6063 #ifndef FEAT_VISUAL
6064 /* Just in case - make sure we don't use MBLOCK */
6065 if (yank_type == MBLOCK)
6066 yank_type = MAUTO;
6067 #endif
6068 if (yank_type == MAUTO)
6069 yank_type = ((len > 0 && (str[len - 1] == '\n' || str[len - 1] == '\r'))
6070 ? MLINE : MCHAR);
6071 str_to_reg(y_current, yank_type, str, len, block_len);
6073 # ifdef FEAT_CLIPBOARD
6074 /* Send text of clipboard register to the clipboard. */
6075 may_set_selection();
6076 # endif
6078 /* ':let @" = "val"' should change the meaning of the "" register */
6079 if (name != '"')
6080 y_previous = old_y_previous;
6081 y_current = old_y_current;
6083 #endif /* FEAT_EVAL */
6085 #if defined(FEAT_CLIPBOARD) || defined(FEAT_EVAL)
6087 * Put a string into a register. When the register is not empty, the string
6088 * is appended.
6090 static void
6091 str_to_reg(y_ptr, type, str, len, blocklen)
6092 struct yankreg *y_ptr; /* pointer to yank register */
6093 int type; /* MCHAR, MLINE or MBLOCK */
6094 char_u *str; /* string to put in register */
6095 long len; /* length of string */
6096 long blocklen; /* width of Visual block */
6098 int lnum;
6099 long start;
6100 long i;
6101 int extra;
6102 int newlines; /* number of lines added */
6103 int extraline = 0; /* extra line at the end */
6104 int append = FALSE; /* append to last line in register */
6105 char_u *s;
6106 char_u **pp;
6107 #ifdef FEAT_VISUAL
6108 long maxlen;
6109 #endif
6111 if (y_ptr->y_array == NULL) /* NULL means empty register */
6112 y_ptr->y_size = 0;
6115 * Count the number of lines within the string
6117 newlines = 0;
6118 for (i = 0; i < len; i++)
6119 if (str[i] == '\n')
6120 ++newlines;
6121 if (type == MCHAR || len == 0 || str[len - 1] != '\n')
6123 extraline = 1;
6124 ++newlines; /* count extra newline at the end */
6126 if (y_ptr->y_size > 0 && y_ptr->y_type == MCHAR)
6128 append = TRUE;
6129 --newlines; /* uncount newline when appending first line */
6133 * Allocate an array to hold the pointers to the new register lines.
6134 * If the register was not empty, move the existing lines to the new array.
6136 pp = (char_u **)lalloc_clear((y_ptr->y_size + newlines)
6137 * sizeof(char_u *), TRUE);
6138 if (pp == NULL) /* out of memory */
6139 return;
6140 for (lnum = 0; lnum < y_ptr->y_size; ++lnum)
6141 pp[lnum] = y_ptr->y_array[lnum];
6142 vim_free(y_ptr->y_array);
6143 y_ptr->y_array = pp;
6144 #ifdef FEAT_VISUAL
6145 maxlen = 0;
6146 #endif
6149 * Find the end of each line and save it into the array.
6151 for (start = 0; start < len + extraline; start += i + 1)
6153 for (i = start; i < len; ++i) /* find the end of the line */
6154 if (str[i] == '\n')
6155 break;
6156 i -= start; /* i is now length of line */
6157 #ifdef FEAT_VISUAL
6158 if (i > maxlen)
6159 maxlen = i;
6160 #endif
6161 if (append)
6163 --lnum;
6164 extra = (int)STRLEN(y_ptr->y_array[lnum]);
6166 else
6167 extra = 0;
6168 s = alloc((unsigned)(i + extra + 1));
6169 if (s == NULL)
6170 break;
6171 if (extra)
6172 mch_memmove(s, y_ptr->y_array[lnum], (size_t)extra);
6173 if (append)
6174 vim_free(y_ptr->y_array[lnum]);
6175 if (i)
6176 mch_memmove(s + extra, str + start, (size_t)i);
6177 extra += i;
6178 s[extra] = NUL;
6179 y_ptr->y_array[lnum++] = s;
6180 while (--extra >= 0)
6182 if (*s == NUL)
6183 *s = '\n'; /* replace NUL with newline */
6184 ++s;
6186 append = FALSE; /* only first line is appended */
6188 y_ptr->y_type = type;
6189 y_ptr->y_size = lnum;
6190 # ifdef FEAT_VISUAL
6191 if (type == MBLOCK)
6192 y_ptr->y_width = (blocklen < 0 ? maxlen - 1 : blocklen);
6193 else
6194 y_ptr->y_width = 0;
6195 # endif
6197 #endif /* FEAT_CLIPBOARD || FEAT_EVAL || PROTO */
6199 void
6200 clear_oparg(oap)
6201 oparg_T *oap;
6203 vim_memset(oap, 0, sizeof(oparg_T));
6206 static long line_count_info __ARGS((char_u *line, long *wc, long *cc, long limit, int eol_size));
6209 * Count the number of bytes, characters and "words" in a line.
6211 * "Words" are counted by looking for boundaries between non-space and
6212 * space characters. (it seems to produce results that match 'wc'.)
6214 * Return value is byte count; word count for the line is added to "*wc".
6215 * Char count is added to "*cc".
6217 * The function will only examine the first "limit" characters in the
6218 * line, stopping if it encounters an end-of-line (NUL byte). In that
6219 * case, eol_size will be added to the character count to account for
6220 * the size of the EOL character.
6222 static long
6223 line_count_info(line, wc, cc, limit, eol_size)
6224 char_u *line;
6225 long *wc;
6226 long *cc;
6227 long limit;
6228 int eol_size;
6230 long i;
6231 long words = 0;
6232 long chars = 0;
6233 int is_word = 0;
6235 for (i = 0; line[i] && i < limit; )
6237 if (is_word)
6239 if (vim_isspace(line[i]))
6241 words++;
6242 is_word = 0;
6245 else if (!vim_isspace(line[i]))
6246 is_word = 1;
6247 ++chars;
6248 #ifdef FEAT_MBYTE
6249 i += (*mb_ptr2len)(line + i);
6250 #else
6251 ++i;
6252 #endif
6255 if (is_word)
6256 words++;
6257 *wc += words;
6259 /* Add eol_size if the end of line was reached before hitting limit. */
6260 if (line[i] == NUL && i < limit)
6262 i += eol_size;
6263 chars += eol_size;
6265 *cc += chars;
6266 return i;
6270 * Give some info about the position of the cursor (for "g CTRL-G").
6271 * In Visual mode, give some info about the selected region. (In this case,
6272 * the *_count_cursor variables store running totals for the selection.)
6274 void
6275 cursor_pos_info()
6277 char_u *p;
6278 char_u buf1[50];
6279 char_u buf2[40];
6280 linenr_T lnum;
6281 long byte_count = 0;
6282 long byte_count_cursor = 0;
6283 long char_count = 0;
6284 long char_count_cursor = 0;
6285 long word_count = 0;
6286 long word_count_cursor = 0;
6287 int eol_size;
6288 long last_check = 100000L;
6289 #ifdef FEAT_VISUAL
6290 long line_count_selected = 0;
6291 pos_T min_pos, max_pos;
6292 oparg_T oparg;
6293 struct block_def bd;
6294 #endif
6297 * Compute the length of the file in characters.
6299 if (curbuf->b_ml.ml_flags & ML_EMPTY)
6301 MSG(_(no_lines_msg));
6303 else
6305 if (get_fileformat(curbuf) == EOL_DOS)
6306 eol_size = 2;
6307 else
6308 eol_size = 1;
6310 #ifdef FEAT_VISUAL
6311 if (VIsual_active)
6313 if (lt(VIsual, curwin->w_cursor))
6315 min_pos = VIsual;
6316 max_pos = curwin->w_cursor;
6318 else
6320 min_pos = curwin->w_cursor;
6321 max_pos = VIsual;
6323 if (*p_sel == 'e' && max_pos.col > 0)
6324 --max_pos.col;
6326 if (VIsual_mode == Ctrl_V)
6328 #ifdef FEAT_LINEBREAK
6329 char_u * saved_sbr = p_sbr;
6331 /* Make 'sbr' empty for a moment to get the correct size. */
6332 p_sbr = empty_option;
6333 #endif
6334 oparg.is_VIsual = 1;
6335 oparg.block_mode = TRUE;
6336 oparg.op_type = OP_NOP;
6337 getvcols(curwin, &min_pos, &max_pos,
6338 &oparg.start_vcol, &oparg.end_vcol);
6339 #ifdef FEAT_LINEBREAK
6340 p_sbr = saved_sbr;
6341 #endif
6342 if (curwin->w_curswant == MAXCOL)
6343 oparg.end_vcol = MAXCOL;
6344 /* Swap the start, end vcol if needed */
6345 if (oparg.end_vcol < oparg.start_vcol)
6347 oparg.end_vcol += oparg.start_vcol;
6348 oparg.start_vcol = oparg.end_vcol - oparg.start_vcol;
6349 oparg.end_vcol -= oparg.start_vcol;
6352 line_count_selected = max_pos.lnum - min_pos.lnum + 1;
6354 #endif
6356 for (lnum = 1; lnum <= curbuf->b_ml.ml_line_count; ++lnum)
6358 /* Check for a CTRL-C every 100000 characters. */
6359 if (byte_count > last_check)
6361 ui_breakcheck();
6362 if (got_int)
6363 return;
6364 last_check = byte_count + 100000L;
6367 #ifdef FEAT_VISUAL
6368 /* Do extra processing for VIsual mode. */
6369 if (VIsual_active
6370 && lnum >= min_pos.lnum && lnum <= max_pos.lnum)
6372 char_u *s = NULL;
6373 long len = 0L;
6375 switch (VIsual_mode)
6377 case Ctrl_V:
6378 # ifdef FEAT_VIRTUALEDIT
6379 virtual_op = virtual_active();
6380 # endif
6381 block_prep(&oparg, &bd, lnum, 0);
6382 # ifdef FEAT_VIRTUALEDIT
6383 virtual_op = MAYBE;
6384 # endif
6385 s = bd.textstart;
6386 len = (long)bd.textlen;
6387 break;
6388 case 'V':
6389 s = ml_get(lnum);
6390 len = MAXCOL;
6391 break;
6392 case 'v':
6394 colnr_T start_col = (lnum == min_pos.lnum)
6395 ? min_pos.col : 0;
6396 colnr_T end_col = (lnum == max_pos.lnum)
6397 ? max_pos.col - start_col + 1 : MAXCOL;
6399 s = ml_get(lnum) + start_col;
6400 len = end_col;
6402 break;
6404 if (s != NULL)
6406 byte_count_cursor += line_count_info(s, &word_count_cursor,
6407 &char_count_cursor, len, eol_size);
6408 if (lnum == curbuf->b_ml.ml_line_count
6409 && !curbuf->b_p_eol
6410 && curbuf->b_p_bin
6411 && (long)STRLEN(s) < len)
6412 byte_count_cursor -= eol_size;
6415 else
6416 #endif
6418 /* In non-visual mode, check for the line the cursor is on */
6419 if (lnum == curwin->w_cursor.lnum)
6421 word_count_cursor += word_count;
6422 char_count_cursor += char_count;
6423 byte_count_cursor = byte_count +
6424 line_count_info(ml_get(lnum),
6425 &word_count_cursor, &char_count_cursor,
6426 (long)(curwin->w_cursor.col + 1), eol_size);
6429 /* Add to the running totals */
6430 byte_count += line_count_info(ml_get(lnum), &word_count,
6431 &char_count, (long)MAXCOL, eol_size);
6434 /* Correction for when last line doesn't have an EOL. */
6435 if (!curbuf->b_p_eol && curbuf->b_p_bin)
6436 byte_count -= eol_size;
6438 #ifdef FEAT_VISUAL
6439 if (VIsual_active)
6441 if (VIsual_mode == Ctrl_V && curwin->w_curswant < MAXCOL)
6443 getvcols(curwin, &min_pos, &max_pos, &min_pos.col,
6444 &max_pos.col);
6445 vim_snprintf((char *)buf1, sizeof(buf1), _("%ld Cols; "),
6446 (long)(oparg.end_vcol - oparg.start_vcol + 1));
6448 else
6449 buf1[0] = NUL;
6451 if (char_count_cursor == byte_count_cursor
6452 && char_count == byte_count)
6453 vim_snprintf((char *)IObuff, IOSIZE,
6454 _("Selected %s%ld of %ld Lines; %ld of %ld Words; %ld of %ld Bytes"),
6455 buf1, line_count_selected,
6456 (long)curbuf->b_ml.ml_line_count,
6457 word_count_cursor, word_count,
6458 byte_count_cursor, byte_count);
6459 else
6460 vim_snprintf((char *)IObuff, IOSIZE,
6461 _("Selected %s%ld of %ld Lines; %ld of %ld Words; %ld of %ld Chars; %ld of %ld Bytes"),
6462 buf1, line_count_selected,
6463 (long)curbuf->b_ml.ml_line_count,
6464 word_count_cursor, word_count,
6465 char_count_cursor, char_count,
6466 byte_count_cursor, byte_count);
6468 else
6469 #endif
6471 p = ml_get_curline();
6472 validate_virtcol();
6473 col_print(buf1, sizeof(buf1), (int)curwin->w_cursor.col + 1,
6474 (int)curwin->w_virtcol + 1);
6475 col_print(buf2, sizeof(buf2), (int)STRLEN(p), linetabsize(p));
6477 if (char_count_cursor == byte_count_cursor
6478 && char_count == byte_count)
6479 vim_snprintf((char *)IObuff, IOSIZE,
6480 _("Col %s of %s; Line %ld of %ld; Word %ld of %ld; Byte %ld of %ld"),
6481 (char *)buf1, (char *)buf2,
6482 (long)curwin->w_cursor.lnum,
6483 (long)curbuf->b_ml.ml_line_count,
6484 word_count_cursor, word_count,
6485 byte_count_cursor, byte_count);
6486 else
6487 vim_snprintf((char *)IObuff, IOSIZE,
6488 _("Col %s of %s; Line %ld of %ld; Word %ld of %ld; Char %ld of %ld; Byte %ld of %ld"),
6489 (char *)buf1, (char *)buf2,
6490 (long)curwin->w_cursor.lnum,
6491 (long)curbuf->b_ml.ml_line_count,
6492 word_count_cursor, word_count,
6493 char_count_cursor, char_count,
6494 byte_count_cursor, byte_count);
6497 #ifdef FEAT_MBYTE
6498 byte_count = bomb_size();
6499 if (byte_count > 0)
6500 sprintf((char *)IObuff + STRLEN(IObuff), _("(+%ld for BOM)"),
6501 byte_count);
6502 #endif
6503 /* Don't shorten this message, the user asked for it. */
6504 p = p_shm;
6505 p_shm = (char_u *)"";
6506 msg(IObuff);
6507 p_shm = p;