Mercurial > vim
annotate src/getchar.c @ 4942:b89aa3374b7f v7.3.1216
updated for version 7.3.1216
Problem: Configure can't find Motif on Ubuntu.
Solution: Search for libXm in /usr/lib/*-linux-gnu.
author | Bram Moolenaar <bram@vim.org> |
---|---|
date | Mon, 17 Jun 2013 20:27:18 +0200 |
parents | d84833983de7 |
children | 1cf89d38aa76 |
rev | line source |
---|---|
7 | 1 /* vi:set ts=8 sts=4 sw=4: |
2 * | |
3 * VIM - Vi IMproved by Bram Moolenaar | |
4 * | |
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 */ | |
9 | |
10 /* | |
11 * getchar.c | |
12 * | |
13 * functions related with getting a character from the user/mapping/redo/... | |
14 * | |
15 * manipulations with redo buffer and stuff buffer | |
16 * mappings and abbreviations | |
17 */ | |
18 | |
19 #include "vim.h" | |
20 | |
21 /* | |
22 * These buffers are used for storing: | |
23 * - stuffed characters: A command that is translated into another command. | |
24 * - redo characters: will redo the last change. | |
1992 | 25 * - recorded characters: for the "q" command. |
7 | 26 * |
27 * The bytes are stored like in the typeahead buffer: | |
28 * - K_SPECIAL introduces a special key (two more bytes follow). A literal | |
29 * K_SPECIAL is stored as K_SPECIAL KS_SPECIAL KE_FILLER. | |
30 * - CSI introduces a GUI termcap code (also when gui.in_use is FALSE, | |
31 * otherwise switching the GUI on would make mappings invalid). | |
32 * A literal CSI is stored as CSI KS_EXTRA KE_CSI. | |
33 * These translations are also done on multi-byte characters! | |
34 * | |
35 * Escaping CSI bytes is done by the system-specific input functions, called | |
36 * by ui_inchar(). | |
37 * Escaping K_SPECIAL is done by inchar(). | |
38 * Un-escaping is done by vgetc(). | |
39 */ | |
40 | |
41 #define MINIMAL_SIZE 20 /* minimal size for b_str */ | |
42 | |
43 static struct buffheader redobuff = {{NULL, {NUL}}, NULL, 0, 0}; | |
44 static struct buffheader old_redobuff = {{NULL, {NUL}}, NULL, 0, 0}; | |
45 #if defined(FEAT_AUTOCMD) || defined(FEAT_EVAL) || defined(PROTO) | |
46 static struct buffheader save_redobuff = {{NULL, {NUL}}, NULL, 0, 0}; | |
47 static struct buffheader save_old_redobuff = {{NULL, {NUL}}, NULL, 0, 0}; | |
48 #endif | |
49 static struct buffheader recordbuff = {{NULL, {NUL}}, NULL, 0, 0}; | |
50 | |
51 static int typeahead_char = 0; /* typeahead char that's not flushed */ | |
52 | |
53 /* | |
54 * when block_redo is TRUE redo buffer will not be changed | |
55 * used by edit() to repeat insertions and 'V' command for redoing | |
56 */ | |
57 static int block_redo = FALSE; | |
58 | |
59 /* | |
60 * Make a hash value for a mapping. | |
61 * "mode" is the lower 4 bits of the State for the mapping. | |
62 * "c1" is the first character of the "lhs". | |
63 * Returns a value between 0 and 255, index in maphash. | |
64 * Put Normal/Visual mode mappings mostly separately from Insert/Cmdline mode. | |
65 */ | |
788 | 66 #define MAP_HASH(mode, c1) (((mode) & (NORMAL + VISUAL + SELECTMODE + OP_PENDING)) ? (c1) : ((c1) ^ 0x80)) |
7 | 67 |
68 /* | |
69 * Each mapping is put in one of the 256 hash lists, to speed up finding it. | |
70 */ | |
71 static mapblock_T *(maphash[256]); | |
72 static int maphash_valid = FALSE; | |
73 | |
74 /* | |
75 * List used for abbreviations. | |
76 */ | |
77 static mapblock_T *first_abbr = NULL; /* first entry in abbrlist */ | |
78 | |
1051 | 79 static int KeyNoremap = 0; /* remapping flags */ |
7 | 80 |
81 /* | |
82 * variables used by vgetorpeek() and flush_buffers() | |
83 * | |
84 * typebuf.tb_buf[] contains all characters that are not consumed yet. | |
85 * typebuf.tb_buf[typebuf.tb_off] is the first valid character. | |
86 * typebuf.tb_buf[typebuf.tb_off + typebuf.tb_len - 1] is the last valid char. | |
87 * typebuf.tb_buf[typebuf.tb_off + typebuf.tb_len] must be NUL. | |
88 * The head of the buffer may contain the result of mappings, abbreviations | |
89 * and @a commands. The length of this part is typebuf.tb_maplen. | |
90 * typebuf.tb_silent is the part where <silent> applies. | |
91 * After the head are characters that come from the terminal. | |
92 * typebuf.tb_no_abbr_cnt is the number of characters in typebuf.tb_buf that | |
93 * should not be considered for abbreviations. | |
94 * Some parts of typebuf.tb_buf may not be mapped. These parts are remembered | |
95 * in typebuf.tb_noremap[], which is the same length as typebuf.tb_buf and | |
96 * contains RM_NONE for the characters that are not to be remapped. | |
97 * typebuf.tb_noremap[typebuf.tb_off] is the first valid flag. | |
98 * (typebuf has been put in globals.h, because check_termcode() needs it). | |
99 */ | |
100 #define RM_YES 0 /* tb_noremap: remap */ | |
101 #define RM_NONE 1 /* tb_noremap: don't remap */ | |
102 #define RM_SCRIPT 2 /* tb_noremap: remap local script mappings */ | |
10 | 103 #define RM_ABBR 4 /* tb_noremap: don't remap, do abbrev. */ |
7 | 104 |
105 /* typebuf.tb_buf has three parts: room in front (for result of mappings), the | |
106 * middle for typeahead and room for new characters (which needs to be 3 * | |
107 * MAXMAPLEN) for the Amiga). | |
108 */ | |
109 #define TYPELEN_INIT (5 * (MAXMAPLEN + 3)) | |
110 static char_u typebuf_init[TYPELEN_INIT]; /* initial typebuf.tb_buf */ | |
111 static char_u noremapbuf_init[TYPELEN_INIT]; /* initial typebuf.tb_noremap */ | |
112 | |
113 static int last_recorded_len = 0; /* number of last recorded chars */ | |
114 | |
115 static char_u *get_buffcont __ARGS((struct buffheader *, int)); | |
116 static void add_buff __ARGS((struct buffheader *, char_u *, long n)); | |
117 static void add_num_buff __ARGS((struct buffheader *, long)); | |
118 static void add_char_buff __ARGS((struct buffheader *, int)); | |
119 static int read_stuff __ARGS((int advance)); | |
120 static void start_stuff __ARGS((void)); | |
121 static int read_redo __ARGS((int, int)); | |
122 static void copy_redo __ARGS((int)); | |
123 static void init_typebuf __ARGS((void)); | |
124 static void gotchars __ARGS((char_u *, int)); | |
125 static void may_sync_undo __ARGS((void)); | |
126 static void closescript __ARGS((void)); | |
127 static int vgetorpeek __ARGS((int)); | |
128 static void map_free __ARGS((mapblock_T **)); | |
129 static void validate_maphash __ARGS((void)); | |
130 static void showmap __ARGS((mapblock_T *mp, int local)); | |
836 | 131 #ifdef FEAT_EVAL |
1969 | 132 static char_u *eval_map_expr __ARGS((char_u *str, int c)); |
836 | 133 #endif |
7 | 134 |
135 /* | |
136 * Free and clear a buffer. | |
137 */ | |
138 void | |
139 free_buff(buf) | |
140 struct buffheader *buf; | |
141 { | |
142 struct buffblock *p, *np; | |
143 | |
144 for (p = buf->bh_first.b_next; p != NULL; p = np) | |
145 { | |
146 np = p->b_next; | |
147 vim_free(p); | |
148 } | |
149 buf->bh_first.b_next = NULL; | |
150 } | |
151 | |
152 /* | |
153 * Return the contents of a buffer as a single string. | |
154 * K_SPECIAL and CSI in the returned string are escaped. | |
155 */ | |
156 static char_u * | |
157 get_buffcont(buffer, dozero) | |
158 struct buffheader *buffer; | |
159 int dozero; /* count == zero is not an error */ | |
160 { | |
161 long_u count = 0; | |
162 char_u *p = NULL; | |
163 char_u *p2; | |
164 char_u *str; | |
165 struct buffblock *bp; | |
166 | |
167 /* compute the total length of the string */ | |
168 for (bp = buffer->bh_first.b_next; bp != NULL; bp = bp->b_next) | |
169 count += (long_u)STRLEN(bp->b_str); | |
170 | |
171 if ((count || dozero) && (p = lalloc(count + 1, TRUE)) != NULL) | |
172 { | |
173 p2 = p; | |
174 for (bp = buffer->bh_first.b_next; bp != NULL; bp = bp->b_next) | |
175 for (str = bp->b_str; *str; ) | |
176 *p2++ = *str++; | |
177 *p2 = NUL; | |
178 } | |
179 return (p); | |
180 } | |
181 | |
182 /* | |
183 * Return the contents of the record buffer as a single string | |
184 * and clear the record buffer. | |
185 * K_SPECIAL and CSI in the returned string are escaped. | |
186 */ | |
187 char_u * | |
188 get_recorded() | |
189 { | |
190 char_u *p; | |
191 size_t len; | |
192 | |
193 p = get_buffcont(&recordbuff, TRUE); | |
194 free_buff(&recordbuff); | |
195 | |
196 /* | |
197 * Remove the characters that were added the last time, these must be the | |
198 * (possibly mapped) characters that stopped the recording. | |
199 */ | |
200 len = STRLEN(p); | |
201 if ((int)len >= last_recorded_len) | |
202 { | |
203 len -= last_recorded_len; | |
204 p[len] = NUL; | |
205 } | |
206 | |
207 /* | |
208 * When stopping recording from Insert mode with CTRL-O q, also remove the | |
209 * CTRL-O. | |
210 */ | |
211 if (len > 0 && restart_edit != 0 && p[len - 1] == Ctrl_O) | |
212 p[len - 1] = NUL; | |
213 | |
214 return (p); | |
215 } | |
216 | |
217 /* | |
218 * Return the contents of the redo buffer as a single string. | |
219 * K_SPECIAL and CSI in the returned string are escaped. | |
220 */ | |
221 char_u * | |
222 get_inserted() | |
223 { | |
1618 | 224 return get_buffcont(&redobuff, FALSE); |
7 | 225 } |
226 | |
227 /* | |
1130 | 228 * Add string "s" after the current block of buffer "buf". |
7 | 229 * K_SPECIAL and CSI should have been escaped already. |
230 */ | |
231 static void | |
232 add_buff(buf, s, slen) | |
233 struct buffheader *buf; | |
234 char_u *s; | |
235 long slen; /* length of "s" or -1 */ | |
236 { | |
237 struct buffblock *p; | |
238 long_u len; | |
239 | |
240 if (slen < 0) | |
241 slen = (long)STRLEN(s); | |
242 if (slen == 0) /* don't add empty strings */ | |
243 return; | |
244 | |
245 if (buf->bh_first.b_next == NULL) /* first add to list */ | |
246 { | |
247 buf->bh_space = 0; | |
248 buf->bh_curr = &(buf->bh_first); | |
249 } | |
250 else if (buf->bh_curr == NULL) /* buffer has already been read */ | |
251 { | |
252 EMSG(_("E222: Add to read buffer")); | |
253 return; | |
254 } | |
255 else if (buf->bh_index != 0) | |
1455 | 256 mch_memmove(buf->bh_first.b_next->b_str, |
257 buf->bh_first.b_next->b_str + buf->bh_index, | |
258 STRLEN(buf->bh_first.b_next->b_str + buf->bh_index) + 1); | |
7 | 259 buf->bh_index = 0; |
260 | |
261 if (buf->bh_space >= (int)slen) | |
262 { | |
263 len = (long_u)STRLEN(buf->bh_curr->b_str); | |
416 | 264 vim_strncpy(buf->bh_curr->b_str + len, s, (size_t)slen); |
7 | 265 buf->bh_space -= slen; |
266 } | |
267 else | |
268 { | |
269 if (slen < MINIMAL_SIZE) | |
270 len = MINIMAL_SIZE; | |
271 else | |
272 len = slen; | |
273 p = (struct buffblock *)lalloc((long_u)(sizeof(struct buffblock) + len), | |
274 TRUE); | |
275 if (p == NULL) | |
276 return; /* no space, just forget it */ | |
835 | 277 buf->bh_space = (int)(len - slen); |
416 | 278 vim_strncpy(p->b_str, s, (size_t)slen); |
7 | 279 |
280 p->b_next = buf->bh_curr->b_next; | |
281 buf->bh_curr->b_next = p; | |
282 buf->bh_curr = p; | |
283 } | |
284 return; | |
285 } | |
286 | |
287 /* | |
288 * Add number "n" to buffer "buf". | |
289 */ | |
290 static void | |
291 add_num_buff(buf, n) | |
292 struct buffheader *buf; | |
293 long n; | |
294 { | |
295 char_u number[32]; | |
296 | |
297 sprintf((char *)number, "%ld", n); | |
298 add_buff(buf, number, -1L); | |
299 } | |
300 | |
301 /* | |
302 * Add character 'c' to buffer "buf". | |
303 * Translates special keys, NUL, CSI, K_SPECIAL and multibyte characters. | |
304 */ | |
305 static void | |
306 add_char_buff(buf, c) | |
307 struct buffheader *buf; | |
308 int c; | |
309 { | |
310 #ifdef FEAT_MBYTE | |
311 char_u bytes[MB_MAXBYTES + 1]; | |
312 int len; | |
313 int i; | |
314 #endif | |
315 char_u temp[4]; | |
316 | |
317 #ifdef FEAT_MBYTE | |
318 if (IS_SPECIAL(c)) | |
319 len = 1; | |
320 else | |
321 len = (*mb_char2bytes)(c, bytes); | |
322 for (i = 0; i < len; ++i) | |
323 { | |
324 if (!IS_SPECIAL(c)) | |
325 c = bytes[i]; | |
326 #endif | |
327 | |
328 if (IS_SPECIAL(c) || c == K_SPECIAL || c == NUL) | |
329 { | |
330 /* translate special key code into three byte sequence */ | |
331 temp[0] = K_SPECIAL; | |
332 temp[1] = K_SECOND(c); | |
333 temp[2] = K_THIRD(c); | |
334 temp[3] = NUL; | |
335 } | |
336 #ifdef FEAT_GUI | |
337 else if (c == CSI) | |
338 { | |
339 /* Translate a CSI to a CSI - KS_EXTRA - KE_CSI sequence */ | |
340 temp[0] = CSI; | |
341 temp[1] = KS_EXTRA; | |
342 temp[2] = (int)KE_CSI; | |
343 temp[3] = NUL; | |
344 } | |
345 #endif | |
346 else | |
347 { | |
348 temp[0] = c; | |
349 temp[1] = NUL; | |
350 } | |
351 add_buff(buf, temp, -1L); | |
352 #ifdef FEAT_MBYTE | |
353 } | |
354 #endif | |
355 } | |
356 | |
357 /* | |
358 * Get one byte from the stuff buffer. | |
359 * If advance == TRUE go to the next char. | |
360 * No translation is done K_SPECIAL and CSI are escaped. | |
361 */ | |
362 static int | |
363 read_stuff(advance) | |
364 int advance; | |
365 { | |
366 char_u c; | |
367 struct buffblock *curr; | |
368 | |
369 if (stuffbuff.bh_first.b_next == NULL) /* buffer is empty */ | |
370 return NUL; | |
371 | |
372 curr = stuffbuff.bh_first.b_next; | |
373 c = curr->b_str[stuffbuff.bh_index]; | |
374 | |
375 if (advance) | |
376 { | |
377 if (curr->b_str[++stuffbuff.bh_index] == NUL) | |
378 { | |
379 stuffbuff.bh_first.b_next = curr->b_next; | |
380 vim_free(curr); | |
381 stuffbuff.bh_index = 0; | |
382 } | |
383 } | |
384 return c; | |
385 } | |
386 | |
387 /* | |
388 * Prepare the stuff buffer for reading (if it contains something). | |
389 */ | |
390 static void | |
391 start_stuff() | |
392 { | |
393 if (stuffbuff.bh_first.b_next != NULL) | |
394 { | |
395 stuffbuff.bh_curr = &(stuffbuff.bh_first); | |
396 stuffbuff.bh_space = 0; | |
397 } | |
398 } | |
399 | |
400 /* | |
401 * Return TRUE if the stuff buffer is empty. | |
402 */ | |
403 int | |
404 stuff_empty() | |
405 { | |
406 return (stuffbuff.bh_first.b_next == NULL); | |
407 } | |
408 | |
409 /* | |
410 * Set a typeahead character that won't be flushed. | |
411 */ | |
412 void | |
413 typeahead_noflush(c) | |
414 int c; | |
415 { | |
416 typeahead_char = c; | |
417 } | |
418 | |
419 /* | |
420 * Remove the contents of the stuff buffer and the mapped characters in the | |
3263 | 421 * typeahead buffer (used in case of an error). If "flush_typeahead" is true, |
7 | 422 * flush all typeahead characters (used when interrupted by a CTRL-C). |
423 */ | |
424 void | |
3263 | 425 flush_buffers(flush_typeahead) |
426 int flush_typeahead; | |
7 | 427 { |
428 init_typebuf(); | |
429 | |
430 start_stuff(); | |
431 while (read_stuff(TRUE) != NUL) | |
432 ; | |
433 | |
3263 | 434 if (flush_typeahead) /* remove all typeahead */ |
7 | 435 { |
436 /* | |
437 * We have to get all characters, because we may delete the first part | |
438 * of an escape sequence. | |
439 * In an xterm we get one char at a time and we have to get them all. | |
440 */ | |
441 while (inchar(typebuf.tb_buf, typebuf.tb_buflen - 1, 10L, | |
442 typebuf.tb_change_cnt) != 0) | |
443 ; | |
444 typebuf.tb_off = MAXMAPLEN; | |
445 typebuf.tb_len = 0; | |
446 } | |
4303 | 447 else /* remove mapped characters at the start only */ |
7 | 448 { |
449 typebuf.tb_off += typebuf.tb_maplen; | |
450 typebuf.tb_len -= typebuf.tb_maplen; | |
451 } | |
452 typebuf.tb_maplen = 0; | |
453 typebuf.tb_silent = 0; | |
454 cmd_silent = FALSE; | |
455 typebuf.tb_no_abbr_cnt = 0; | |
456 } | |
457 | |
458 /* | |
459 * The previous contents of the redo buffer is kept in old_redobuffer. | |
460 * This is used for the CTRL-O <.> command in insert mode. | |
461 */ | |
462 void | |
463 ResetRedobuff() | |
464 { | |
465 if (!block_redo) | |
466 { | |
467 free_buff(&old_redobuff); | |
468 old_redobuff = redobuff; | |
469 redobuff.bh_first.b_next = NULL; | |
470 } | |
471 } | |
472 | |
3324 | 473 /* |
474 * Discard the contents of the redo buffer and restore the previous redo | |
475 * buffer. | |
476 */ | |
477 void | |
478 CancelRedo() | |
479 { | |
480 if (!block_redo) | |
481 { | |
482 free_buff(&redobuff); | |
483 redobuff = old_redobuff; | |
484 old_redobuff.bh_first.b_next = NULL; | |
485 start_stuff(); | |
486 while (read_stuff(TRUE) != NUL) | |
487 ; | |
488 } | |
489 } | |
490 | |
7 | 491 #if defined(FEAT_AUTOCMD) || defined(FEAT_EVAL) || defined(PROTO) |
492 /* | |
493 * Save redobuff and old_redobuff to save_redobuff and save_old_redobuff. | |
494 * Used before executing autocommands and user functions. | |
495 */ | |
496 static int save_level = 0; | |
497 | |
498 void | |
499 saveRedobuff() | |
500 { | |
501 char_u *s; | |
502 | |
503 if (save_level++ == 0) | |
504 { | |
505 save_redobuff = redobuff; | |
506 redobuff.bh_first.b_next = NULL; | |
507 save_old_redobuff = old_redobuff; | |
508 old_redobuff.bh_first.b_next = NULL; | |
509 | |
510 /* Make a copy, so that ":normal ." in a function works. */ | |
511 s = get_buffcont(&save_redobuff, FALSE); | |
512 if (s != NULL) | |
513 { | |
514 add_buff(&redobuff, s, -1L); | |
515 vim_free(s); | |
516 } | |
517 } | |
518 } | |
519 | |
520 /* | |
521 * Restore redobuff and old_redobuff from save_redobuff and save_old_redobuff. | |
522 * Used after executing autocommands and user functions. | |
523 */ | |
524 void | |
525 restoreRedobuff() | |
526 { | |
527 if (--save_level == 0) | |
528 { | |
529 free_buff(&redobuff); | |
530 redobuff = save_redobuff; | |
531 free_buff(&old_redobuff); | |
532 old_redobuff = save_old_redobuff; | |
533 } | |
534 } | |
535 #endif | |
536 | |
537 /* | |
538 * Append "s" to the redo buffer. | |
539 * K_SPECIAL and CSI should already have been escaped. | |
540 */ | |
541 void | |
542 AppendToRedobuff(s) | |
543 char_u *s; | |
544 { | |
545 if (!block_redo) | |
546 add_buff(&redobuff, s, -1L); | |
547 } | |
548 | |
549 /* | |
550 * Append to Redo buffer literally, escaping special characters with CTRL-V. | |
551 * K_SPECIAL and CSI are escaped as well. | |
552 */ | |
553 void | |
620 | 554 AppendToRedobuffLit(str, len) |
555 char_u *str; | |
556 int len; /* length of "str" or -1 for up to the NUL */ | |
7 | 557 { |
620 | 558 char_u *s = str; |
7 | 559 int c; |
560 char_u *start; | |
561 | |
562 if (block_redo) | |
563 return; | |
564 | |
620 | 565 while (len < 0 ? *s != NUL : s - str < len) |
7 | 566 { |
567 /* Put a string of normal characters in the redo buffer (that's | |
568 * faster). */ | |
569 start = s; | |
570 while (*s >= ' ' | |
571 #ifndef EBCDIC | |
572 && *s < DEL /* EBCDIC: all chars above space are normal */ | |
573 #endif | |
620 | 574 && (len < 0 || s - str < len)) |
7 | 575 ++s; |
576 | |
577 /* Don't put '0' or '^' as last character, just in case a CTRL-D is | |
578 * typed next. */ | |
579 if (*s == NUL && (s[-1] == '0' || s[-1] == '^')) | |
580 --s; | |
581 if (s > start) | |
582 add_buff(&redobuff, start, (long)(s - start)); | |
583 | |
620 | 584 if (*s == NUL || (len >= 0 && s - str >= len)) |
585 break; | |
586 | |
587 /* Handle a special or multibyte character. */ | |
7 | 588 #ifdef FEAT_MBYTE |
620 | 589 if (has_mbyte) |
590 /* Handle composing chars separately. */ | |
591 c = mb_cptr2char_adv(&s); | |
592 else | |
7 | 593 #endif |
620 | 594 c = *s++; |
595 if (c < ' ' || c == DEL || (*s == NUL && (c == '0' || c == '^'))) | |
596 add_char_buff(&redobuff, Ctrl_V); | |
597 | |
598 /* CTRL-V '0' must be inserted as CTRL-V 048 (EBCDIC: xf0) */ | |
599 if (*s == NUL && c == '0') | |
7 | 600 #ifdef EBCDIC |
620 | 601 add_buff(&redobuff, (char_u *)"xf0", 3L); |
7 | 602 #else |
620 | 603 add_buff(&redobuff, (char_u *)"048", 3L); |
7 | 604 #endif |
620 | 605 else |
606 add_char_buff(&redobuff, c); | |
7 | 607 } |
608 } | |
609 | |
610 /* | |
611 * Append a character to the redo buffer. | |
612 * Translates special keys, NUL, CSI, K_SPECIAL and multibyte characters. | |
613 */ | |
614 void | |
615 AppendCharToRedobuff(c) | |
616 int c; | |
617 { | |
618 if (!block_redo) | |
619 add_char_buff(&redobuff, c); | |
620 } | |
621 | |
622 /* | |
623 * Append a number to the redo buffer. | |
624 */ | |
625 void | |
626 AppendNumberToRedobuff(n) | |
627 long n; | |
628 { | |
629 if (!block_redo) | |
630 add_num_buff(&redobuff, n); | |
631 } | |
632 | |
633 /* | |
634 * Append string "s" to the stuff buffer. | |
635 * CSI and K_SPECIAL must already have been escaped. | |
636 */ | |
637 void | |
638 stuffReadbuff(s) | |
639 char_u *s; | |
640 { | |
641 add_buff(&stuffbuff, s, -1L); | |
642 } | |
643 | |
644 void | |
645 stuffReadbuffLen(s, len) | |
646 char_u *s; | |
647 long len; | |
648 { | |
649 add_buff(&stuffbuff, s, len); | |
650 } | |
651 | |
652 #if defined(FEAT_EVAL) || defined(PROTO) | |
653 /* | |
654 * Stuff "s" into the stuff buffer, leaving special key codes unmodified and | |
655 * escaping other K_SPECIAL and CSI bytes. | |
2784 | 656 * Change CR, LF and ESC into a space. |
7 | 657 */ |
658 void | |
659 stuffReadbuffSpec(s) | |
660 char_u *s; | |
661 { | |
2784 | 662 int c; |
663 | |
7 | 664 while (*s != NUL) |
665 { | |
666 if (*s == K_SPECIAL && s[1] != NUL && s[2] != NUL) | |
667 { | |
668 /* Insert special key literally. */ | |
669 stuffReadbuffLen(s, 3L); | |
670 s += 3; | |
671 } | |
672 else | |
2784 | 673 { |
7 | 674 #ifdef FEAT_MBYTE |
2784 | 675 c = mb_ptr2char_adv(&s); |
7 | 676 #else |
2784 | 677 c = *s++; |
7 | 678 #endif |
2784 | 679 if (c == CAR || c == NL || c == ESC) |
680 c = ' '; | |
681 stuffcharReadbuff(c); | |
682 } | |
7 | 683 } |
684 } | |
685 #endif | |
686 | |
687 /* | |
688 * Append a character to the stuff buffer. | |
689 * Translates special keys, NUL, CSI, K_SPECIAL and multibyte characters. | |
690 */ | |
691 void | |
692 stuffcharReadbuff(c) | |
693 int c; | |
694 { | |
695 add_char_buff(&stuffbuff, c); | |
696 } | |
697 | |
698 /* | |
699 * Append a number to the stuff buffer. | |
700 */ | |
701 void | |
702 stuffnumReadbuff(n) | |
703 long n; | |
704 { | |
705 add_num_buff(&stuffbuff, n); | |
706 } | |
707 | |
708 /* | |
709 * Read a character from the redo buffer. Translates K_SPECIAL, CSI and | |
710 * multibyte characters. | |
711 * The redo buffer is left as it is. | |
3324 | 712 * If init is TRUE, prepare for redo, return FAIL if nothing to redo, OK |
713 * otherwise. | |
714 * If old is TRUE, use old_redobuff instead of redobuff. | |
7 | 715 */ |
716 static int | |
717 read_redo(init, old_redo) | |
718 int init; | |
719 int old_redo; | |
720 { | |
721 static struct buffblock *bp; | |
722 static char_u *p; | |
723 int c; | |
724 #ifdef FEAT_MBYTE | |
725 int n; | |
3549 | 726 char_u buf[MB_MAXBYTES + 1]; |
7 | 727 int i; |
728 #endif | |
729 | |
730 if (init) | |
731 { | |
732 if (old_redo) | |
733 bp = old_redobuff.bh_first.b_next; | |
734 else | |
735 bp = redobuff.bh_first.b_next; | |
736 if (bp == NULL) | |
737 return FAIL; | |
738 p = bp->b_str; | |
739 return OK; | |
740 } | |
741 if ((c = *p) != NUL) | |
742 { | |
743 /* Reverse the conversion done by add_char_buff() */ | |
744 #ifdef FEAT_MBYTE | |
745 /* For a multi-byte character get all the bytes and return the | |
746 * converted character. */ | |
747 if (has_mbyte && (c != K_SPECIAL || p[1] == KS_SPECIAL)) | |
748 n = MB_BYTE2LEN_CHECK(c); | |
749 else | |
750 n = 1; | |
751 for (i = 0; ; ++i) | |
752 #endif | |
753 { | |
754 if (c == K_SPECIAL) /* special key or escaped K_SPECIAL */ | |
755 { | |
756 c = TO_SPECIAL(p[1], p[2]); | |
757 p += 2; | |
758 } | |
759 #ifdef FEAT_GUI | |
760 if (c == CSI) /* escaped CSI */ | |
761 p += 2; | |
762 #endif | |
763 if (*++p == NUL && bp->b_next != NULL) | |
764 { | |
765 bp = bp->b_next; | |
766 p = bp->b_str; | |
767 } | |
768 #ifdef FEAT_MBYTE | |
769 buf[i] = c; | |
770 if (i == n - 1) /* last byte of a character */ | |
771 { | |
772 if (n != 1) | |
773 c = (*mb_ptr2char)(buf); | |
774 break; | |
775 } | |
776 c = *p; | |
777 if (c == NUL) /* cannot happen? */ | |
778 break; | |
779 #endif | |
780 } | |
781 } | |
782 | |
783 return c; | |
784 } | |
785 | |
786 /* | |
787 * Copy the rest of the redo buffer into the stuff buffer (in a slow way). | |
788 * If old_redo is TRUE, use old_redobuff instead of redobuff. | |
789 * The escaped K_SPECIAL and CSI are copied without translation. | |
790 */ | |
791 static void | |
792 copy_redo(old_redo) | |
793 int old_redo; | |
794 { | |
795 int c; | |
796 | |
797 while ((c = read_redo(FALSE, old_redo)) != NUL) | |
798 stuffcharReadbuff(c); | |
799 } | |
800 | |
801 /* | |
802 * Stuff the redo buffer into the stuffbuff. | |
803 * Insert the redo count into the command. | |
804 * If "old_redo" is TRUE, the last but one command is repeated | |
805 * instead of the last command (inserting text). This is used for | |
806 * CTRL-O <.> in insert mode | |
807 * | |
808 * return FAIL for failure, OK otherwise | |
809 */ | |
810 int | |
811 start_redo(count, old_redo) | |
812 long count; | |
813 int old_redo; | |
814 { | |
815 int c; | |
816 | |
817 /* init the pointers; return if nothing to redo */ | |
818 if (read_redo(TRUE, old_redo) == FAIL) | |
819 return FAIL; | |
820 | |
821 c = read_redo(FALSE, old_redo); | |
822 | |
823 /* copy the buffer name, if present */ | |
824 if (c == '"') | |
825 { | |
826 add_buff(&stuffbuff, (char_u *)"\"", 1L); | |
827 c = read_redo(FALSE, old_redo); | |
828 | |
829 /* if a numbered buffer is used, increment the number */ | |
830 if (c >= '1' && c < '9') | |
831 ++c; | |
832 add_char_buff(&stuffbuff, c); | |
833 c = read_redo(FALSE, old_redo); | |
834 } | |
835 | |
836 #ifdef FEAT_VISUAL | |
837 if (c == 'v') /* redo Visual */ | |
838 { | |
839 VIsual = curwin->w_cursor; | |
840 VIsual_active = TRUE; | |
841 VIsual_select = FALSE; | |
842 VIsual_reselect = TRUE; | |
843 redo_VIsual_busy = TRUE; | |
844 c = read_redo(FALSE, old_redo); | |
845 } | |
846 #endif | |
847 | |
848 /* try to enter the count (in place of a previous count) */ | |
849 if (count) | |
850 { | |
851 while (VIM_ISDIGIT(c)) /* skip "old" count */ | |
852 c = read_redo(FALSE, old_redo); | |
853 add_num_buff(&stuffbuff, count); | |
854 } | |
855 | |
856 /* copy from the redo buffer into the stuff buffer */ | |
857 add_char_buff(&stuffbuff, c); | |
858 copy_redo(old_redo); | |
859 return OK; | |
860 } | |
861 | |
862 /* | |
863 * Repeat the last insert (R, o, O, a, A, i or I command) by stuffing | |
864 * the redo buffer into the stuffbuff. | |
865 * return FAIL for failure, OK otherwise | |
866 */ | |
867 int | |
868 start_redo_ins() | |
869 { | |
870 int c; | |
871 | |
872 if (read_redo(TRUE, FALSE) == FAIL) | |
873 return FAIL; | |
874 start_stuff(); | |
875 | |
876 /* skip the count and the command character */ | |
877 while ((c = read_redo(FALSE, FALSE)) != NUL) | |
878 { | |
879 if (vim_strchr((char_u *)"AaIiRrOo", c) != NULL) | |
880 { | |
881 if (c == 'O' || c == 'o') | |
882 stuffReadbuff(NL_STR); | |
883 break; | |
884 } | |
885 } | |
886 | |
887 /* copy the typed text from the redo buffer into the stuff buffer */ | |
888 copy_redo(FALSE); | |
889 block_redo = TRUE; | |
890 return OK; | |
891 } | |
892 | |
893 void | |
894 stop_redo_ins() | |
895 { | |
896 block_redo = FALSE; | |
897 } | |
898 | |
899 /* | |
900 * Initialize typebuf.tb_buf to point to typebuf_init. | |
901 * alloc() cannot be used here: In out-of-memory situations it would | |
902 * be impossible to type anything. | |
903 */ | |
904 static void | |
905 init_typebuf() | |
906 { | |
907 if (typebuf.tb_buf == NULL) | |
908 { | |
909 typebuf.tb_buf = typebuf_init; | |
910 typebuf.tb_noremap = noremapbuf_init; | |
911 typebuf.tb_buflen = TYPELEN_INIT; | |
912 typebuf.tb_len = 0; | |
913 typebuf.tb_off = 0; | |
914 typebuf.tb_change_cnt = 1; | |
915 } | |
916 } | |
917 | |
918 /* | |
919 * insert a string in position 'offset' in the typeahead buffer (for "@r" | |
920 * and ":normal" command, vgetorpeek() and check_termcode()) | |
921 * | |
922 * If noremap is REMAP_YES, new string can be mapped again. | |
923 * If noremap is REMAP_NONE, new string cannot be mapped again. | |
10 | 924 * If noremap is REMAP_SKIP, fist char of new string cannot be mapped again, |
925 * but abbreviations are allowed. | |
7 | 926 * If noremap is REMAP_SCRIPT, new string cannot be mapped again, except for |
927 * script-local mappings. | |
928 * If noremap is > 0, that many characters of the new string cannot be mapped. | |
929 * | |
930 * If nottyped is TRUE, the string does not return KeyTyped (don't use when | |
931 * offset is non-zero!). | |
932 * | |
933 * If silent is TRUE, cmd_silent is set when the characters are obtained. | |
934 * | |
935 * return FAIL for failure, OK otherwise | |
936 */ | |
937 int | |
938 ins_typebuf(str, noremap, offset, nottyped, silent) | |
939 char_u *str; | |
940 int noremap; | |
941 int offset; | |
942 int nottyped; | |
943 int silent; | |
944 { | |
945 char_u *s1, *s2; | |
946 int newlen; | |
947 int addlen; | |
948 int i; | |
949 int newoff; | |
950 int val; | |
951 int nrm; | |
952 | |
953 init_typebuf(); | |
954 if (++typebuf.tb_change_cnt == 0) | |
955 typebuf.tb_change_cnt = 1; | |
956 | |
957 addlen = (int)STRLEN(str); | |
1130 | 958 |
7 | 959 /* |
960 * Easy case: there is room in front of typebuf.tb_buf[typebuf.tb_off] | |
961 */ | |
962 if (offset == 0 && addlen <= typebuf.tb_off) | |
963 { | |
964 typebuf.tb_off -= addlen; | |
965 mch_memmove(typebuf.tb_buf + typebuf.tb_off, str, (size_t)addlen); | |
966 } | |
1130 | 967 |
7 | 968 /* |
1130 | 969 * Need to allocate a new buffer. |
7 | 970 * In typebuf.tb_buf there must always be room for 3 * MAXMAPLEN + 4 |
971 * characters. We add some extra room to avoid having to allocate too | |
972 * often. | |
973 */ | |
974 else | |
975 { | |
976 newoff = MAXMAPLEN + 4; | |
977 newlen = typebuf.tb_len + addlen + newoff + 4 * (MAXMAPLEN + 4); | |
978 if (newlen < 0) /* string is getting too long */ | |
979 { | |
980 EMSG(_(e_toocompl)); /* also calls flush_buffers */ | |
981 setcursor(); | |
982 return FAIL; | |
983 } | |
984 s1 = alloc(newlen); | |
985 if (s1 == NULL) /* out of memory */ | |
986 return FAIL; | |
987 s2 = alloc(newlen); | |
988 if (s2 == NULL) /* out of memory */ | |
989 { | |
990 vim_free(s1); | |
991 return FAIL; | |
992 } | |
993 typebuf.tb_buflen = newlen; | |
994 | |
995 /* copy the old chars, before the insertion point */ | |
996 mch_memmove(s1 + newoff, typebuf.tb_buf + typebuf.tb_off, | |
997 (size_t)offset); | |
998 /* copy the new chars */ | |
999 mch_memmove(s1 + newoff + offset, str, (size_t)addlen); | |
1000 /* copy the old chars, after the insertion point, including the NUL at | |
1001 * the end */ | |
1002 mch_memmove(s1 + newoff + offset + addlen, | |
1003 typebuf.tb_buf + typebuf.tb_off + offset, | |
1004 (size_t)(typebuf.tb_len - offset + 1)); | |
1005 if (typebuf.tb_buf != typebuf_init) | |
1006 vim_free(typebuf.tb_buf); | |
1007 typebuf.tb_buf = s1; | |
1008 | |
1009 mch_memmove(s2 + newoff, typebuf.tb_noremap + typebuf.tb_off, | |
1010 (size_t)offset); | |
1011 mch_memmove(s2 + newoff + offset + addlen, | |
1012 typebuf.tb_noremap + typebuf.tb_off + offset, | |
1013 (size_t)(typebuf.tb_len - offset)); | |
1014 if (typebuf.tb_noremap != noremapbuf_init) | |
1015 vim_free(typebuf.tb_noremap); | |
1016 typebuf.tb_noremap = s2; | |
1017 | |
1018 typebuf.tb_off = newoff; | |
1019 } | |
1020 typebuf.tb_len += addlen; | |
1021 | |
1022 /* If noremap == REMAP_SCRIPT: do remap script-local mappings. */ | |
1023 if (noremap == REMAP_SCRIPT) | |
1024 val = RM_SCRIPT; | |
10 | 1025 else if (noremap == REMAP_SKIP) |
1026 val = RM_ABBR; | |
7 | 1027 else |
1028 val = RM_NONE; | |
1029 | |
1030 /* | |
1031 * Adjust typebuf.tb_noremap[] for the new characters: | |
1032 * If noremap == REMAP_NONE or REMAP_SCRIPT: new characters are | |
1033 * (sometimes) not remappable | |
1034 * If noremap == REMAP_YES: all the new characters are mappable | |
1035 * If noremap > 0: "noremap" characters are not remappable, the rest | |
1036 * mappable | |
1037 */ | |
10 | 1038 if (noremap == REMAP_SKIP) |
1039 nrm = 1; | |
1040 else if (noremap < 0) | |
7 | 1041 nrm = addlen; |
1042 else | |
1043 nrm = noremap; | |
1044 for (i = 0; i < addlen; ++i) | |
1045 typebuf.tb_noremap[typebuf.tb_off + i + offset] = | |
1046 (--nrm >= 0) ? val : RM_YES; | |
1047 | |
1048 /* tb_maplen and tb_silent only remember the length of mapped and/or | |
1049 * silent mappings at the start of the buffer, assuming that a mapped | |
1050 * sequence doesn't result in typed characters. */ | |
1051 if (nottyped || typebuf.tb_maplen > offset) | |
1052 typebuf.tb_maplen += addlen; | |
1053 if (silent || typebuf.tb_silent > offset) | |
1054 { | |
1055 typebuf.tb_silent += addlen; | |
1056 cmd_silent = TRUE; | |
1057 } | |
1058 if (typebuf.tb_no_abbr_cnt && offset == 0) /* and not used for abbrev.s */ | |
1059 typebuf.tb_no_abbr_cnt += addlen; | |
1060 | |
1061 return OK; | |
1062 } | |
1063 | |
1064 /* | |
852 | 1065 * Put character "c" back into the typeahead buffer. |
1066 * Can be used for a character obtained by vgetc() that needs to be put back. | |
1051 | 1067 * Uses cmd_silent, KeyTyped and KeyNoremap to restore the flags belonging to |
1068 * the char. | |
852 | 1069 */ |
1070 void | |
1071 ins_char_typebuf(c) | |
1072 int c; | |
1073 { | |
1074 #ifdef FEAT_MBYTE | |
3549 | 1075 char_u buf[MB_MAXBYTES + 1]; |
852 | 1076 #else |
1077 char_u buf[4]; | |
1078 #endif | |
1079 if (IS_SPECIAL(c)) | |
1080 { | |
1081 buf[0] = K_SPECIAL; | |
1082 buf[1] = K_SECOND(c); | |
1083 buf[2] = K_THIRD(c); | |
1084 buf[3] = NUL; | |
1085 } | |
1086 else | |
1087 { | |
1088 #ifdef FEAT_MBYTE | |
1089 buf[(*mb_char2bytes)(c, buf)] = NUL; | |
1090 #else | |
1091 buf[0] = c; | |
1092 buf[1] = NUL; | |
1093 #endif | |
1094 } | |
1051 | 1095 (void)ins_typebuf(buf, KeyNoremap, 0, !KeyTyped, cmd_silent); |
852 | 1096 } |
1097 | |
1098 /* | |
7 | 1099 * Return TRUE if the typeahead buffer was changed (while waiting for a |
841 | 1100 * character to arrive). Happens when a message was received from a client or |
842 | 1101 * from feedkeys(). |
7 | 1102 * But check in a more generic way to avoid trouble: When "typebuf.tb_buf" |
1103 * changed it was reallocated and the old pointer can no longer be used. | |
1104 * Or "typebuf.tb_off" may have been changed and we would overwrite characters | |
1105 * that was just added. | |
1106 */ | |
1107 int | |
1108 typebuf_changed(tb_change_cnt) | |
1109 int tb_change_cnt; /* old value of typebuf.tb_change_cnt */ | |
1110 { | |
1111 return (tb_change_cnt != 0 && (typebuf.tb_change_cnt != tb_change_cnt | |
841 | 1112 #if defined(FEAT_CLIENTSERVER) || defined(FEAT_EVAL) |
1113 || typebuf_was_filled | |
7 | 1114 #endif |
1115 )); | |
1116 } | |
1117 | |
1118 /* | |
1119 * Return TRUE if there are no characters in the typeahead buffer that have | |
1120 * not been typed (result from a mapping or come from ":normal"). | |
1121 */ | |
1122 int | |
1123 typebuf_typed() | |
1124 { | |
1125 return typebuf.tb_maplen == 0; | |
1126 } | |
1127 | |
819 | 1128 #if defined(FEAT_VISUAL) || defined(PROTO) |
7 | 1129 /* |
1130 * Return the number of characters that are mapped (or not typed). | |
1131 */ | |
1132 int | |
1133 typebuf_maplen() | |
1134 { | |
1135 return typebuf.tb_maplen; | |
1136 } | |
819 | 1137 #endif |
7 | 1138 |
1139 /* | |
1140 * remove "len" characters from typebuf.tb_buf[typebuf.tb_off + offset] | |
1141 */ | |
1142 void | |
1143 del_typebuf(len, offset) | |
1144 int len; | |
1145 int offset; | |
1146 { | |
1147 int i; | |
1148 | |
1149 if (len == 0) | |
1150 return; /* nothing to do */ | |
1151 | |
1152 typebuf.tb_len -= len; | |
1153 | |
1154 /* | |
1155 * Easy case: Just increase typebuf.tb_off. | |
1156 */ | |
1157 if (offset == 0 && typebuf.tb_buflen - (typebuf.tb_off + len) | |
1158 >= 3 * MAXMAPLEN + 3) | |
1159 typebuf.tb_off += len; | |
1160 /* | |
1161 * Have to move the characters in typebuf.tb_buf[] and typebuf.tb_noremap[] | |
1162 */ | |
1163 else | |
1164 { | |
1165 i = typebuf.tb_off + offset; | |
1166 /* | |
1167 * Leave some extra room at the end to avoid reallocation. | |
1168 */ | |
1169 if (typebuf.tb_off > MAXMAPLEN) | |
1170 { | |
1171 mch_memmove(typebuf.tb_buf + MAXMAPLEN, | |
1172 typebuf.tb_buf + typebuf.tb_off, (size_t)offset); | |
1173 mch_memmove(typebuf.tb_noremap + MAXMAPLEN, | |
1174 typebuf.tb_noremap + typebuf.tb_off, (size_t)offset); | |
1175 typebuf.tb_off = MAXMAPLEN; | |
1176 } | |
1177 /* adjust typebuf.tb_buf (include the NUL at the end) */ | |
1178 mch_memmove(typebuf.tb_buf + typebuf.tb_off + offset, | |
1179 typebuf.tb_buf + i + len, | |
1180 (size_t)(typebuf.tb_len - offset + 1)); | |
1181 /* adjust typebuf.tb_noremap[] */ | |
1182 mch_memmove(typebuf.tb_noremap + typebuf.tb_off + offset, | |
1183 typebuf.tb_noremap + i + len, | |
1184 (size_t)(typebuf.tb_len - offset)); | |
1185 } | |
1186 | |
1187 if (typebuf.tb_maplen > offset) /* adjust tb_maplen */ | |
1188 { | |
1189 if (typebuf.tb_maplen < offset + len) | |
1190 typebuf.tb_maplen = offset; | |
1191 else | |
1192 typebuf.tb_maplen -= len; | |
1193 } | |
1194 if (typebuf.tb_silent > offset) /* adjust tb_silent */ | |
1195 { | |
1196 if (typebuf.tb_silent < offset + len) | |
1197 typebuf.tb_silent = offset; | |
1198 else | |
1199 typebuf.tb_silent -= len; | |
1200 } | |
1201 if (typebuf.tb_no_abbr_cnt > offset) /* adjust tb_no_abbr_cnt */ | |
1202 { | |
1203 if (typebuf.tb_no_abbr_cnt < offset + len) | |
1204 typebuf.tb_no_abbr_cnt = offset; | |
1205 else | |
1206 typebuf.tb_no_abbr_cnt -= len; | |
1207 } | |
1208 | |
841 | 1209 #if defined(FEAT_CLIENTSERVER) || defined(FEAT_EVAL) |
842 | 1210 /* Reset the flag that text received from a client or from feedkeys() |
841 | 1211 * was inserted in the typeahead buffer. */ |
1212 typebuf_was_filled = FALSE; | |
7 | 1213 #endif |
1214 if (++typebuf.tb_change_cnt == 0) | |
1215 typebuf.tb_change_cnt = 1; | |
1216 } | |
1217 | |
1218 /* | |
1219 * Write typed characters to script file. | |
1220 * If recording is on put the character in the recordbuffer. | |
1221 */ | |
1222 static void | |
1130 | 1223 gotchars(chars, len) |
1224 char_u *chars; | |
7 | 1225 int len; |
1226 { | |
1130 | 1227 char_u *s = chars; |
7 | 1228 int c; |
1229 char_u buf[2]; | |
1130 | 1230 int todo = len; |
7 | 1231 |
1232 /* remember how many chars were last recorded */ | |
1233 if (Recording) | |
1234 last_recorded_len += len; | |
1235 | |
1236 buf[1] = NUL; | |
1130 | 1237 while (todo--) |
7 | 1238 { |
1239 /* Handle one byte at a time; no translation to be done. */ | |
1240 c = *s++; | |
1241 updatescript(c); | |
1242 | |
1243 if (Recording) | |
1244 { | |
1245 buf[0] = c; | |
1246 add_buff(&recordbuff, buf, 1L); | |
1247 } | |
1248 } | |
1249 may_sync_undo(); | |
1250 | |
1251 #ifdef FEAT_EVAL | |
1252 /* output "debug mode" message next time in debug mode */ | |
1253 debug_did_msg = FALSE; | |
1254 #endif | |
1255 | |
1256 /* Since characters have been typed, consider the following to be in | |
1257 * another mapping. Search string will be kept in history. */ | |
1258 ++maptick; | |
1259 } | |
1260 | |
1261 /* | |
1262 * Sync undo. Called when typed characters are obtained from the typeahead | |
1263 * buffer, or when a menu is used. | |
1264 * Do not sync: | |
1265 * - In Insert mode, unless cursor key has been used. | |
1266 * - While reading a script file. | |
1267 * - When no_u_sync is non-zero. | |
1268 */ | |
1269 static void | |
1270 may_sync_undo() | |
1271 { | |
1272 if ((!(State & (INSERT + CMDLINE)) || arrow_used) | |
825 | 1273 && scriptin[curscript] == NULL) |
1274 u_sync(FALSE); | |
7 | 1275 } |
1276 | |
1277 /* | |
1278 * Make "typebuf" empty and allocate new buffers. | |
1279 * Returns FAIL when out of memory. | |
1280 */ | |
1281 int | |
1282 alloc_typebuf() | |
1283 { | |
1284 typebuf.tb_buf = alloc(TYPELEN_INIT); | |
1285 typebuf.tb_noremap = alloc(TYPELEN_INIT); | |
1286 if (typebuf.tb_buf == NULL || typebuf.tb_noremap == NULL) | |
1287 { | |
1288 free_typebuf(); | |
1289 return FAIL; | |
1290 } | |
1291 typebuf.tb_buflen = TYPELEN_INIT; | |
1292 typebuf.tb_off = 0; | |
1293 typebuf.tb_len = 0; | |
1294 typebuf.tb_maplen = 0; | |
1295 typebuf.tb_silent = 0; | |
1296 typebuf.tb_no_abbr_cnt = 0; | |
1297 if (++typebuf.tb_change_cnt == 0) | |
1298 typebuf.tb_change_cnt = 1; | |
1299 return OK; | |
1300 } | |
1301 | |
1302 /* | |
1303 * Free the buffers of "typebuf". | |
1304 */ | |
1305 void | |
1306 free_typebuf() | |
1307 { | |
1462 | 1308 if (typebuf.tb_buf == typebuf_init) |
1309 EMSG2(_(e_intern2), "Free typebuf 1"); | |
1310 else | |
1311 vim_free(typebuf.tb_buf); | |
1992 | 1312 if (typebuf.tb_noremap == noremapbuf_init) |
1462 | 1313 EMSG2(_(e_intern2), "Free typebuf 2"); |
1314 else | |
1315 vim_free(typebuf.tb_noremap); | |
7 | 1316 } |
1317 | |
1318 /* | |
1319 * When doing ":so! file", the current typeahead needs to be saved, and | |
1320 * restored when "file" has been read completely. | |
1321 */ | |
1322 static typebuf_T saved_typebuf[NSCRIPT]; | |
1323 | |
1324 int | |
1325 save_typebuf() | |
1326 { | |
1327 init_typebuf(); | |
1328 saved_typebuf[curscript] = typebuf; | |
1329 /* If out of memory: restore typebuf and close file. */ | |
1330 if (alloc_typebuf() == FAIL) | |
1331 { | |
1332 closescript(); | |
1333 return FAIL; | |
1334 } | |
1335 return OK; | |
1336 } | |
1337 | |
1928 | 1338 static int old_char = -1; /* character put back by vungetc() */ |
1339 static int old_mod_mask; /* mod_mask for ungotten character */ | |
4227 | 1340 #ifdef FEAT_MOUSE |
1341 static int old_mouse_row; /* mouse_row related to old_char */ | |
1342 static int old_mouse_col; /* mouse_col related to old_char */ | |
1343 #endif | |
1928 | 1344 |
7 | 1345 #if defined(FEAT_EVAL) || defined(FEAT_EX_EXTRA) || defined(PROTO) |
1346 | |
1347 /* | |
1348 * Save all three kinds of typeahead, so that the user must type at a prompt. | |
1349 */ | |
1350 void | |
1351 save_typeahead(tp) | |
1352 tasave_T *tp; | |
1353 { | |
1354 tp->save_typebuf = typebuf; | |
1355 tp->typebuf_valid = (alloc_typebuf() == OK); | |
1356 if (!tp->typebuf_valid) | |
1357 typebuf = tp->save_typebuf; | |
1358 | |
1928 | 1359 tp->old_char = old_char; |
1360 tp->old_mod_mask = old_mod_mask; | |
1361 old_char = -1; | |
1362 | |
7 | 1363 tp->save_stuffbuff = stuffbuff; |
1364 stuffbuff.bh_first.b_next = NULL; | |
1365 # ifdef USE_INPUT_BUF | |
1366 tp->save_inputbuf = get_input_buf(); | |
1367 # endif | |
1368 } | |
1369 | |
1370 /* | |
1371 * Restore the typeahead to what it was before calling save_typeahead(). | |
1372 * The allocated memory is freed, can only be called once! | |
1373 */ | |
1374 void | |
1375 restore_typeahead(tp) | |
1376 tasave_T *tp; | |
1377 { | |
1378 if (tp->typebuf_valid) | |
1379 { | |
1380 free_typebuf(); | |
1381 typebuf = tp->save_typebuf; | |
1382 } | |
1383 | |
1928 | 1384 old_char = tp->old_char; |
1385 old_mod_mask = tp->old_mod_mask; | |
1386 | |
7 | 1387 free_buff(&stuffbuff); |
1388 stuffbuff = tp->save_stuffbuff; | |
1389 # ifdef USE_INPUT_BUF | |
1390 set_input_buf(tp->save_inputbuf); | |
1391 # endif | |
1392 } | |
1393 #endif | |
1394 | |
1395 /* | |
1396 * Open a new script file for the ":source!" command. | |
1397 */ | |
1398 void | |
1399 openscript(name, directly) | |
1400 char_u *name; | |
1401 int directly; /* when TRUE execute directly */ | |
1402 { | |
1403 if (curscript + 1 == NSCRIPT) | |
1404 { | |
1405 EMSG(_(e_nesting)); | |
1406 return; | |
1407 } | |
1462 | 1408 #ifdef FEAT_EVAL |
1409 if (ignore_script) | |
1410 /* Not reading from script, also don't open one. Warning message? */ | |
1411 return; | |
1412 #endif | |
7 | 1413 |
1414 if (scriptin[curscript] != NULL) /* already reading script */ | |
1415 ++curscript; | |
1416 /* use NameBuff for expanded name */ | |
1417 expand_env(name, NameBuff, MAXPATHL); | |
1418 if ((scriptin[curscript] = mch_fopen((char *)NameBuff, READBIN)) == NULL) | |
1419 { | |
1420 EMSG2(_(e_notopen), name); | |
1421 if (curscript) | |
1422 --curscript; | |
1423 return; | |
1424 } | |
1425 if (save_typebuf() == FAIL) | |
1426 return; | |
1427 | |
1428 /* | |
1429 * Execute the commands from the file right now when using ":source!" | |
1430 * after ":global" or ":argdo" or in a loop. Also when another command | |
1431 * follows. This means the display won't be updated. Don't do this | |
1432 * always, "make test" would fail. | |
1433 */ | |
1434 if (directly) | |
1435 { | |
1436 oparg_T oa; | |
1437 int oldcurscript; | |
1438 int save_State = State; | |
1439 int save_restart_edit = restart_edit; | |
1440 int save_insertmode = p_im; | |
1441 int save_finish_op = finish_op; | |
1442 int save_msg_scroll = msg_scroll; | |
1443 | |
1444 State = NORMAL; | |
1445 msg_scroll = FALSE; /* no msg scrolling in Normal mode */ | |
1446 restart_edit = 0; /* don't go to Insert mode */ | |
1447 p_im = FALSE; /* don't use 'insertmode' */ | |
1448 clear_oparg(&oa); | |
1449 finish_op = FALSE; | |
1450 | |
1451 oldcurscript = curscript; | |
1452 do | |
1453 { | |
1454 update_topline_cursor(); /* update cursor position and topline */ | |
1455 normal_cmd(&oa, FALSE); /* execute one command */ | |
1456 vpeekc(); /* check for end of file */ | |
1457 } | |
1458 while (scriptin[oldcurscript] != NULL); | |
1459 | |
1460 State = save_State; | |
1461 msg_scroll = save_msg_scroll; | |
1462 restart_edit = save_restart_edit; | |
1463 p_im = save_insertmode; | |
1464 finish_op = save_finish_op; | |
1465 } | |
1466 } | |
1467 | |
1468 /* | |
1469 * Close the currently active input script. | |
1470 */ | |
1471 static void | |
1472 closescript() | |
1473 { | |
1474 free_typebuf(); | |
1475 typebuf = saved_typebuf[curscript]; | |
1476 | |
1477 fclose(scriptin[curscript]); | |
1478 scriptin[curscript] = NULL; | |
1479 if (curscript > 0) | |
1480 --curscript; | |
1481 } | |
1482 | |
358 | 1483 #if defined(EXITFREE) || defined(PROTO) |
1484 void | |
1485 close_all_scripts() | |
1486 { | |
1487 while (scriptin[0] != NULL) | |
1488 closescript(); | |
1489 } | |
1490 #endif | |
1491 | |
7 | 1492 #if defined(FEAT_INS_EXPAND) || defined(PROTO) |
1493 /* | |
1494 * Return TRUE when reading keys from a script file. | |
1495 */ | |
1496 int | |
1497 using_script() | |
1498 { | |
1499 return scriptin[curscript] != NULL; | |
1500 } | |
1501 #endif | |
1502 | |
1503 /* | |
365 | 1504 * This function is called just before doing a blocking wait. Thus after |
1505 * waiting 'updatetime' for a character to arrive. | |
1506 */ | |
1507 void | |
1508 before_blocking() | |
1509 { | |
1510 updatescript(0); | |
1511 #ifdef FEAT_EVAL | |
958 | 1512 if (may_garbage_collect) |
1513 garbage_collect(); | |
365 | 1514 #endif |
1515 } | |
1516 | |
1517 /* | |
7 | 1518 * updatescipt() is called when a character can be written into the script file |
1519 * or when we have waited some time for a character (c == 0) | |
1520 * | |
1521 * All the changed memfiles are synced if c == 0 or when the number of typed | |
1522 * characters reaches 'updatecount' and 'updatecount' is non-zero. | |
1523 */ | |
1524 void | |
1525 updatescript(c) | |
1526 int c; | |
1527 { | |
1528 static int count = 0; | |
1529 | |
1530 if (c && scriptout) | |
1531 putc(c, scriptout); | |
1532 if (c == 0 || (p_uc > 0 && ++count >= p_uc)) | |
1533 { | |
1534 ml_sync_all(c == 0, TRUE); | |
1535 count = 0; | |
1536 } | |
1537 } | |
1538 | |
1539 /* | |
1540 * Get the next input character. | |
1541 * Can return a special key or a multi-byte character. | |
1542 * Can return NUL when called recursively, use safe_vgetc() if that's not | |
1543 * wanted. | |
1544 * This translates escaped K_SPECIAL and CSI bytes to a K_SPECIAL or CSI byte. | |
1545 * Collects the bytes of a multibyte character into the whole character. | |
1992 | 1546 * Returns the modifiers in the global "mod_mask". |
7 | 1547 */ |
1548 int | |
1549 vgetc() | |
1550 { | |
1551 int c, c2; | |
1552 #ifdef FEAT_MBYTE | |
1553 int n; | |
3549 | 1554 char_u buf[MB_MAXBYTES + 1]; |
7 | 1555 int i; |
1556 #endif | |
1557 | |
958 | 1558 #ifdef FEAT_EVAL |
1559 /* Do garbage collection when garbagecollect() was called previously and | |
1560 * we are now at the toplevel. */ | |
1561 if (may_garbage_collect && want_garbage_collect) | |
1562 garbage_collect(); | |
1563 #endif | |
1564 | |
7 | 1565 /* |
1566 * If a character was put back with vungetc, it was already processed. | |
1567 * Return it directly. | |
1568 */ | |
1569 if (old_char != -1) | |
1570 { | |
1571 c = old_char; | |
1572 old_char = -1; | |
1573 mod_mask = old_mod_mask; | |
4227 | 1574 #ifdef FEAT_MOUSE |
1575 mouse_row = old_mouse_row; | |
1576 mouse_col = old_mouse_col; | |
1577 #endif | |
7 | 1578 } |
958 | 1579 else |
7 | 1580 { |
958 | 1581 mod_mask = 0x0; |
1582 last_recorded_len = 0; | |
1583 for (;;) /* this is done twice if there are modifiers */ | |
1584 { | |
7 | 1585 if (mod_mask) /* no mapping after modifier has been read */ |
1586 { | |
1587 ++no_mapping; | |
1588 ++allow_keys; | |
1589 } | |
1590 c = vgetorpeek(TRUE); | |
1591 if (mod_mask) | |
1592 { | |
1593 --no_mapping; | |
1594 --allow_keys; | |
1595 } | |
1596 | |
1597 /* Get two extra bytes for special keys */ | |
1598 if (c == K_SPECIAL | |
1599 #ifdef FEAT_GUI | |
1600 || c == CSI | |
1601 #endif | |
1602 ) | |
1603 { | |
179 | 1604 int save_allow_keys = allow_keys; |
1605 | |
7 | 1606 ++no_mapping; |
179 | 1607 allow_keys = 0; /* make sure BS is not found */ |
7 | 1608 c2 = vgetorpeek(TRUE); /* no mapping for these chars */ |
1609 c = vgetorpeek(TRUE); | |
1610 --no_mapping; | |
179 | 1611 allow_keys = save_allow_keys; |
7 | 1612 if (c2 == KS_MODIFIER) |
1613 { | |
1614 mod_mask = c; | |
1615 continue; | |
1616 } | |
1617 c = TO_SPECIAL(c2, c); | |
1618 | |
1619 #if defined(FEAT_GUI_W32) && defined(FEAT_MENU) && defined(FEAT_TEAROFF) | |
1620 /* Handle K_TEAROFF here, the caller of vgetc() doesn't need to | |
1621 * know that a menu was torn off */ | |
1622 if (c == K_TEAROFF) | |
1623 { | |
1624 char_u name[200]; | |
1625 int i; | |
1626 | |
1627 /* get menu path, it ends with a <CR> */ | |
1628 for (i = 0; (c = vgetorpeek(TRUE)) != '\r'; ) | |
1629 { | |
1630 name[i] = c; | |
1631 if (i < 199) | |
1632 ++i; | |
1633 } | |
1634 name[i] = NUL; | |
1635 gui_make_tearoff(name); | |
1636 continue; | |
1637 } | |
1638 #endif | |
2277
f42e0b5ff9e9
Change remaining HAVE_GTK2 to FEAT_GUI_GTK.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
1639 #if defined(FEAT_GUI) && defined(FEAT_GUI_GTK) && defined(FEAT_MENU) |
36 | 1640 /* GTK: <F10> normally selects the menu, but it's passed until |
1641 * here to allow mapping it. Intercept and invoke the GTK | |
1642 * behavior if it's not mapped. */ | |
1643 if (c == K_F10 && gui.menubar != NULL) | |
1644 { | |
1645 gtk_menu_shell_select_first(GTK_MENU_SHELL(gui.menubar), FALSE); | |
1646 continue; | |
1647 } | |
1648 #endif | |
7 | 1649 #ifdef FEAT_GUI |
1389 | 1650 /* Handle focus event here, so that the caller doesn't need to |
1651 * know about it. Return K_IGNORE so that we loop once (needed if | |
1652 * 'lazyredraw' is set). */ | |
1380 | 1653 if (c == K_FOCUSGAINED || c == K_FOCUSLOST) |
1654 { | |
1655 ui_focus_change(c == K_FOCUSGAINED); | |
1389 | 1656 c = K_IGNORE; |
1380 | 1657 } |
1658 | |
7 | 1659 /* Translate K_CSI to CSI. The special key is only used to avoid |
1660 * it being recognized as the start of a special key. */ | |
1661 if (c == K_CSI) | |
1662 c = CSI; | |
1663 #endif | |
1664 } | |
1665 #ifdef MSDOS | |
1666 /* | |
1667 * If K_NUL was typed, it is replaced by K_NUL, 3 in mch_inchar(). | |
1668 * Delete the 3 here. | |
1669 */ | |
1670 else if (c == K_NUL && vpeekc() == 3) | |
1671 (void)vgetorpeek(TRUE); | |
1672 #endif | |
1673 | |
229 | 1674 /* a keypad or special function key was not mapped, use it like |
1675 * its ASCII equivalent */ | |
1676 switch (c) | |
7 | 1677 { |
229 | 1678 case K_KPLUS: c = '+'; break; |
1679 case K_KMINUS: c = '-'; break; | |
1680 case K_KDIVIDE: c = '/'; break; | |
1681 case K_KMULTIPLY: c = '*'; break; | |
1682 case K_KENTER: c = CAR; break; | |
1683 case K_KPOINT: | |
36 | 1684 #ifdef WIN32 |
229 | 1685 /* Can be either '.' or a ',', * |
1686 * depending on the type of keypad. */ | |
1687 c = MapVirtualKey(VK_DECIMAL, 2); break; | |
36 | 1688 #else |
229 | 1689 c = '.'; break; |
36 | 1690 #endif |
229 | 1691 case K_K0: c = '0'; break; |
1692 case K_K1: c = '1'; break; | |
1693 case K_K2: c = '2'; break; | |
1694 case K_K3: c = '3'; break; | |
1695 case K_K4: c = '4'; break; | |
1696 case K_K5: c = '5'; break; | |
1697 case K_K6: c = '6'; break; | |
1698 case K_K7: c = '7'; break; | |
1699 case K_K8: c = '8'; break; | |
1700 case K_K9: c = '9'; break; | |
1701 | |
1702 case K_XHOME: | |
1703 case K_ZHOME: if (mod_mask == MOD_MASK_SHIFT) | |
1704 { | |
1705 c = K_S_HOME; | |
1706 mod_mask = 0; | |
1707 } | |
1708 else if (mod_mask == MOD_MASK_CTRL) | |
1709 { | |
1710 c = K_C_HOME; | |
1711 mod_mask = 0; | |
1712 } | |
1713 else | |
1714 c = K_HOME; | |
1715 break; | |
1716 case K_XEND: | |
1717 case K_ZEND: if (mod_mask == MOD_MASK_SHIFT) | |
1718 { | |
1719 c = K_S_END; | |
1720 mod_mask = 0; | |
1721 } | |
1722 else if (mod_mask == MOD_MASK_CTRL) | |
1723 { | |
1724 c = K_C_END; | |
1725 mod_mask = 0; | |
1726 } | |
1727 else | |
1728 c = K_END; | |
1729 break; | |
1730 | |
1731 case K_XUP: c = K_UP; break; | |
1732 case K_XDOWN: c = K_DOWN; break; | |
1733 case K_XLEFT: c = K_LEFT; break; | |
1734 case K_XRIGHT: c = K_RIGHT; break; | |
7 | 1735 } |
1736 | |
1737 #ifdef FEAT_MBYTE | |
1738 /* For a multi-byte character get all the bytes and return the | |
1739 * converted character. | |
1740 * Note: This will loop until enough bytes are received! | |
1741 */ | |
1742 if (has_mbyte && (n = MB_BYTE2LEN_CHECK(c)) > 1) | |
1743 { | |
1744 ++no_mapping; | |
1745 buf[0] = c; | |
1746 for (i = 1; i < n; ++i) | |
1747 { | |
1748 buf[i] = vgetorpeek(TRUE); | |
1749 if (buf[i] == K_SPECIAL | |
1750 #ifdef FEAT_GUI | |
1751 || buf[i] == CSI | |
1752 #endif | |
1753 ) | |
1754 { | |
1755 /* Must be a K_SPECIAL - KS_SPECIAL - KE_FILLER sequence, | |
1756 * which represents a K_SPECIAL (0x80), | |
1757 * or a CSI - KS_EXTRA - KE_CSI sequence, which represents | |
1758 * a CSI (0x9B), | |
1759 * of a K_SPECIAL - KS_EXTRA - KE_CSI, which is CSI too. */ | |
1760 c = vgetorpeek(TRUE); | |
1761 if (vgetorpeek(TRUE) == (int)KE_CSI && c == KS_EXTRA) | |
1762 buf[i] = CSI; | |
1763 } | |
1764 } | |
1765 --no_mapping; | |
1766 c = (*mb_ptr2char)(buf); | |
1767 } | |
1768 #endif | |
1769 | |
958 | 1770 break; |
1771 } | |
7 | 1772 } |
958 | 1773 |
1774 #ifdef FEAT_EVAL | |
1775 /* | |
1776 * In the main loop "may_garbage_collect" can be set to do garbage | |
1777 * collection in the first next vgetc(). It's disabled after that to | |
1778 * avoid internally used Lists and Dicts to be freed. | |
1779 */ | |
1780 may_garbage_collect = FALSE; | |
1781 #endif | |
1782 | |
1783 return c; | |
7 | 1784 } |
1785 | |
1786 /* | |
1787 * Like vgetc(), but never return a NUL when called recursively, get a key | |
1788 * directly from the user (ignoring typeahead). | |
1789 */ | |
1790 int | |
1791 safe_vgetc() | |
1792 { | |
1793 int c; | |
1794 | |
1795 c = vgetc(); | |
1796 if (c == NUL) | |
1797 c = get_keystroke(); | |
1798 return c; | |
1799 } | |
1800 | |
1801 /* | |
1389 | 1802 * Like safe_vgetc(), but loop to handle K_IGNORE. |
1803 * Also ignore scrollbar events. | |
1804 */ | |
1805 int | |
1806 plain_vgetc() | |
1807 { | |
1808 int c; | |
1809 | |
1810 do | |
1811 { | |
1812 c = safe_vgetc(); | |
1813 } while (c == K_IGNORE || c == K_VER_SCROLLBAR || c == K_HOR_SCROLLBAR); | |
1814 return c; | |
1815 } | |
1816 | |
1817 /* | |
7 | 1818 * Check if a character is available, such that vgetc() will not block. |
1819 * If the next character is a special character or multi-byte, the returned | |
1820 * character is not valid!. | |
1821 */ | |
1822 int | |
1823 vpeekc() | |
1824 { | |
1825 if (old_char != -1) | |
1826 return old_char; | |
1827 return vgetorpeek(FALSE); | |
1828 } | |
1829 | |
1830 #if defined(FEAT_TERMRESPONSE) || defined(PROTO) | |
1831 /* | |
1832 * Like vpeekc(), but don't allow mapping. Do allow checking for terminal | |
1833 * codes. | |
1834 */ | |
1835 int | |
1836 vpeekc_nomap() | |
1837 { | |
1838 int c; | |
1839 | |
1840 ++no_mapping; | |
1841 ++allow_keys; | |
1842 c = vpeekc(); | |
1843 --no_mapping; | |
1844 --allow_keys; | |
1845 return c; | |
1846 } | |
1847 #endif | |
1848 | |
1849 #if defined(FEAT_INS_EXPAND) || defined(PROTO) | |
1850 /* | |
1851 * Check if any character is available, also half an escape sequence. | |
1852 * Trick: when no typeahead found, but there is something in the typeahead | |
1853 * buffer, it must be an ESC that is recognized as the start of a key code. | |
1854 */ | |
1855 int | |
1856 vpeekc_any() | |
1857 { | |
1858 int c; | |
1859 | |
1860 c = vpeekc(); | |
1861 if (c == NUL && typebuf.tb_len > 0) | |
1862 c = ESC; | |
1863 return c; | |
1864 } | |
1865 #endif | |
1866 | |
1867 /* | |
1868 * Call vpeekc() without causing anything to be mapped. | |
1869 * Return TRUE if a character is available, FALSE otherwise. | |
1870 */ | |
1871 int | |
1872 char_avail() | |
1873 { | |
1874 int retval; | |
1875 | |
1876 ++no_mapping; | |
1877 retval = vpeekc(); | |
1878 --no_mapping; | |
1879 return (retval != NUL); | |
1880 } | |
1881 | |
1882 void | |
1883 vungetc(c) /* unget one character (can only be done once!) */ | |
1884 int c; | |
1885 { | |
1886 old_char = c; | |
1887 old_mod_mask = mod_mask; | |
4227 | 1888 #ifdef FEAT_MOUSE |
1889 old_mouse_row = mouse_row; | |
1890 old_mouse_col = mouse_col; | |
1891 #endif | |
7 | 1892 } |
1893 | |
1894 /* | |
1895 * get a character: | |
1896 * 1. from the stuffbuffer | |
1897 * This is used for abbreviated commands like "D" -> "d$". | |
1898 * Also used to redo a command for ".". | |
1899 * 2. from the typeahead buffer | |
1900 * Stores text obtained previously but not used yet. | |
1901 * Also stores the result of mappings. | |
1902 * Also used for the ":normal" command. | |
1903 * 3. from the user | |
1904 * This may do a blocking wait if "advance" is TRUE. | |
1905 * | |
1906 * if "advance" is TRUE (vgetc()): | |
1907 * really get the character. | |
1908 * KeyTyped is set to TRUE in the case the user typed the key. | |
1909 * KeyStuffed is TRUE if the character comes from the stuff buffer. | |
1910 * if "advance" is FALSE (vpeekc()): | |
1911 * just look whether there is a character available. | |
1912 * | |
1913 * When "no_mapping" is zero, checks for mappings in the current mode. | |
1914 * Only returns one byte (of a multi-byte character). | |
1915 * K_SPECIAL and CSI may be escaped, need to get two more bytes then. | |
1916 */ | |
1917 static int | |
1918 vgetorpeek(advance) | |
1919 int advance; | |
1920 { | |
1921 int c, c1; | |
1922 int keylen; | |
1923 char_u *s; | |
1924 mapblock_T *mp; | |
1925 #ifdef FEAT_LOCALMAP | |
1926 mapblock_T *mp2; | |
4865
d84833983de7
updated for version 7.3.1179
Bram Moolenaar <bram@vim.org>
parents:
4356
diff
changeset
|
1927 int expecting_global_mappings; |
7 | 1928 #endif |
1929 mapblock_T *mp_match; | |
1930 int mp_match_len = 0; | |
1931 int timedout = FALSE; /* waited for more than 1 second | |
1932 for mapping to complete */ | |
1933 int mapdepth = 0; /* check for recursive mapping */ | |
1934 int mode_deleted = FALSE; /* set when mode has been deleted */ | |
1935 int local_State; | |
1936 int mlen; | |
1937 int max_mlen; | |
721 | 1938 int i; |
7 | 1939 #ifdef FEAT_CMDL_INFO |
1940 int new_wcol, new_wrow; | |
1941 #endif | |
1942 #ifdef FEAT_GUI | |
1943 # ifdef FEAT_MENU | |
1944 int idx; | |
1945 # endif | |
1946 int shape_changed = FALSE; /* adjusted cursor shape */ | |
1947 #endif | |
1948 int n; | |
1949 #ifdef FEAT_LANGMAP | |
1950 int nolmaplen; | |
1951 #endif | |
1952 int old_wcol, old_wrow; | |
202 | 1953 int wait_tb_len; |
7 | 1954 |
1955 /* | |
1956 * This function doesn't work very well when called recursively. This may | |
1957 * happen though, because of: | |
1958 * 1. The call to add_to_showcmd(). char_avail() is then used to check if | |
1959 * there is a character available, which calls this function. In that | |
1960 * case we must return NUL, to indicate no character is available. | |
1961 * 2. A GUI callback function writes to the screen, causing a | |
1962 * wait_return(). | |
1963 * Using ":normal" can also do this, but it saves the typeahead buffer, | |
1964 * thus it should be OK. But don't get a key from the user then. | |
1965 */ | |
822 | 1966 if (vgetc_busy > 0 |
7 | 1967 #ifdef FEAT_EX_EXTRA |
1968 && ex_normal_busy == 0 | |
1969 #endif | |
1970 ) | |
1971 return NUL; | |
1972 | |
1973 local_State = get_real_state(); | |
1974 | |
822 | 1975 ++vgetc_busy; |
7 | 1976 |
1977 if (advance) | |
1978 KeyStuffed = FALSE; | |
1979 | |
1980 init_typebuf(); | |
1981 start_stuff(); | |
1982 if (advance && typebuf.tb_maplen == 0) | |
1983 Exec_reg = FALSE; | |
1984 do | |
1985 { | |
1986 /* | |
1987 * get a character: 1. from the stuffbuffer | |
1988 */ | |
1989 if (typeahead_char != 0) | |
1990 { | |
1991 c = typeahead_char; | |
1992 if (advance) | |
1993 typeahead_char = 0; | |
1994 } | |
1995 else | |
1996 c = read_stuff(advance); | |
1997 if (c != NUL && !got_int) | |
1998 { | |
1999 if (advance) | |
2000 { | |
2001 /* KeyTyped = FALSE; When the command that stuffed something | |
2002 * was typed, behave like the stuffed command was typed. | |
2003 * needed for CTRL-W CTRl-] to open a fold, for example. */ | |
2004 KeyStuffed = TRUE; | |
2005 } | |
2006 if (typebuf.tb_no_abbr_cnt == 0) | |
2007 typebuf.tb_no_abbr_cnt = 1; /* no abbreviations now */ | |
2008 } | |
2009 else | |
2010 { | |
2011 /* | |
2012 * Loop until we either find a matching mapped key, or we | |
2013 * are sure that it is not a mapped key. | |
2014 * If a mapped key sequence is found we go back to the start to | |
2015 * try re-mapping. | |
2016 */ | |
2017 for (;;) | |
2018 { | |
2019 /* | |
2020 * ui_breakcheck() is slow, don't use it too often when | |
2021 * inside a mapping. But call it each time for typed | |
2022 * characters. | |
2023 */ | |
2024 if (typebuf.tb_maplen) | |
2025 line_breakcheck(); | |
2026 else | |
2027 ui_breakcheck(); /* check for CTRL-C */ | |
2028 keylen = 0; | |
2029 if (got_int) | |
2030 { | |
2031 /* flush all input */ | |
2032 c = inchar(typebuf.tb_buf, typebuf.tb_buflen - 1, 0L, | |
2033 typebuf.tb_change_cnt); | |
2034 /* | |
2035 * If inchar() returns TRUE (script file was active) or we | |
2036 * are inside a mapping, get out of insert mode. | |
2037 * Otherwise we behave like having gotten a CTRL-C. | |
2038 * As a result typing CTRL-C in insert mode will | |
2039 * really insert a CTRL-C. | |
2040 */ | |
2041 if ((c || typebuf.tb_maplen) | |
2042 && (State & (INSERT + CMDLINE))) | |
2043 c = ESC; | |
2044 else | |
2045 c = Ctrl_C; | |
2046 flush_buffers(TRUE); /* flush all typeahead */ | |
2047 | |
988 | 2048 if (advance) |
2049 { | |
2050 /* Also record this character, it might be needed to | |
2051 * get out of Insert mode. */ | |
2052 *typebuf.tb_buf = c; | |
2053 gotchars(typebuf.tb_buf, 1); | |
2054 } | |
7 | 2055 cmd_silent = FALSE; |
2056 | |
2057 break; | |
2058 } | |
2059 else if (typebuf.tb_len > 0) | |
2060 { | |
2061 /* | |
2062 * Check for a mappable key sequence. | |
2063 * Walk through one maphash[] list until we find an | |
2064 * entry that matches. | |
2065 * | |
2066 * Don't look for mappings if: | |
2067 * - no_mapping set: mapping disabled (e.g. for CTRL-V) | |
2068 * - maphash_valid not set: no mappings present. | |
2069 * - typebuf.tb_buf[typebuf.tb_off] should not be remapped | |
2070 * - in insert or cmdline mode and 'paste' option set | |
2071 * - waiting for "hit return to continue" and CR or SPACE | |
2072 * typed | |
2073 * - waiting for a char with --more-- | |
2074 * - in Ctrl-X mode, and we get a valid char for that mode | |
2075 */ | |
2076 mp = NULL; | |
2077 max_mlen = 0; | |
2078 c1 = typebuf.tb_buf[typebuf.tb_off]; | |
2079 if (no_mapping == 0 && maphash_valid | |
2080 && (no_zero_mapping == 0 || c1 != '0') | |
2081 && (typebuf.tb_maplen == 0 | |
2082 || (p_remap | |
10 | 2083 && (typebuf.tb_noremap[typebuf.tb_off] |
2084 & (RM_NONE|RM_ABBR)) == 0)) | |
7 | 2085 && !(p_paste && (State & (INSERT + CMDLINE))) |
2086 && !(State == HITRETURN && (c1 == CAR || c1 == ' ')) | |
2087 && State != ASKMORE | |
2088 && State != CONFIRM | |
2089 #ifdef FEAT_INS_EXPAND | |
2090 && !((ctrl_x_mode != 0 && vim_is_ctrl_x_key(c1)) | |
449 | 2091 || ((compl_cont_status & CONT_LOCAL) |
7 | 2092 && (c1 == Ctrl_N || c1 == Ctrl_P))) |
2093 #endif | |
2094 ) | |
2095 { | |
2096 #ifdef FEAT_LANGMAP | |
2097 if (c1 == K_SPECIAL) | |
2098 nolmaplen = 2; | |
2099 else | |
2100 { | |
2101 LANGMAP_ADJUST(c1, TRUE); | |
2102 nolmaplen = 0; | |
2103 } | |
2104 #endif | |
2105 #ifdef FEAT_LOCALMAP | |
2106 /* First try buffer-local mappings. */ | |
2107 mp = curbuf->b_maphash[MAP_HASH(local_State, c1)]; | |
2108 mp2 = maphash[MAP_HASH(local_State, c1)]; | |
4865
d84833983de7
updated for version 7.3.1179
Bram Moolenaar <bram@vim.org>
parents:
4356
diff
changeset
|
2109 expecting_global_mappings = (mp && mp2); |
7 | 2110 if (mp == NULL) |
2111 { | |
2112 mp = mp2; | |
2113 mp2 = NULL; | |
2114 } | |
2115 #else | |
2116 mp = maphash[MAP_HASH(local_State, c1)]; | |
2117 #endif | |
2118 /* | |
2119 * Loop until a partly matching mapping is found or | |
2120 * all (local) mappings have been checked. | |
2121 * The longest full match is remembered in "mp_match". | |
2122 * A full match is only accepted if there is no partly | |
2123 * match, so "aa" and "aaa" can both be mapped. | |
2124 */ | |
2125 mp_match = NULL; | |
2126 mp_match_len = 0; | |
2127 for ( ; mp != NULL; | |
2128 #ifdef FEAT_LOCALMAP | |
2129 mp->m_next == NULL ? (mp = mp2, mp2 = NULL) : | |
2130 #endif | |
2131 (mp = mp->m_next)) | |
2132 { | |
4865
d84833983de7
updated for version 7.3.1179
Bram Moolenaar <bram@vim.org>
parents:
4356
diff
changeset
|
2133 #ifdef FEAT_LOCALMAP |
d84833983de7
updated for version 7.3.1179
Bram Moolenaar <bram@vim.org>
parents:
4356
diff
changeset
|
2134 if (expecting_global_mappings && mp2 == NULL) |
d84833983de7
updated for version 7.3.1179
Bram Moolenaar <bram@vim.org>
parents:
4356
diff
changeset
|
2135 { |
d84833983de7
updated for version 7.3.1179
Bram Moolenaar <bram@vim.org>
parents:
4356
diff
changeset
|
2136 /* This is the first global mapping. If we've |
d84833983de7
updated for version 7.3.1179
Bram Moolenaar <bram@vim.org>
parents:
4356
diff
changeset
|
2137 * got a complete buffer-local match, use it. */ |
d84833983de7
updated for version 7.3.1179
Bram Moolenaar <bram@vim.org>
parents:
4356
diff
changeset
|
2138 if (mp_match) |
d84833983de7
updated for version 7.3.1179
Bram Moolenaar <bram@vim.org>
parents:
4356
diff
changeset
|
2139 break; |
d84833983de7
updated for version 7.3.1179
Bram Moolenaar <bram@vim.org>
parents:
4356
diff
changeset
|
2140 expecting_global_mappings = FALSE; |
d84833983de7
updated for version 7.3.1179
Bram Moolenaar <bram@vim.org>
parents:
4356
diff
changeset
|
2141 } |
d84833983de7
updated for version 7.3.1179
Bram Moolenaar <bram@vim.org>
parents:
4356
diff
changeset
|
2142 #endif |
7 | 2143 /* |
2144 * Only consider an entry if the first character | |
2145 * matches and it is for the current state. | |
2146 * Skip ":lmap" mappings if keys were mapped. | |
2147 */ | |
2148 if (mp->m_keys[0] == c1 | |
2149 && (mp->m_mode & local_State) | |
2150 && ((mp->m_mode & LANGMAP) == 0 | |
2151 || typebuf.tb_maplen == 0)) | |
2152 { | |
2153 #ifdef FEAT_LANGMAP | |
2154 int nomap = nolmaplen; | |
2155 int c2; | |
2156 #endif | |
2157 /* find the match length of this mapping */ | |
2158 for (mlen = 1; mlen < typebuf.tb_len; ++mlen) | |
2159 { | |
2160 #ifdef FEAT_LANGMAP | |
2161 c2 = typebuf.tb_buf[typebuf.tb_off + mlen]; | |
2162 if (nomap > 0) | |
2163 --nomap; | |
2164 else if (c2 == K_SPECIAL) | |
2165 nomap = 2; | |
2166 else | |
2167 LANGMAP_ADJUST(c2, TRUE); | |
2168 if (mp->m_keys[mlen] != c2) | |
2169 #else | |
2170 if (mp->m_keys[mlen] != | |
2171 typebuf.tb_buf[typebuf.tb_off + mlen]) | |
2172 #endif | |
2173 break; | |
2174 } | |
2175 | |
2176 #ifdef FEAT_MBYTE | |
2177 /* Don't allow mapping the first byte(s) of a | |
2178 * multi-byte char. Happens when mapping | |
2179 * <M-a> and then changing 'encoding'. */ | |
2180 if (has_mbyte && MB_BYTE2LEN(c1) | |
474 | 2181 > (*mb_ptr2len)(mp->m_keys)) |
7 | 2182 mlen = 0; |
2183 #endif | |
2184 /* | |
2185 * Check an entry whether it matches. | |
2186 * - Full match: mlen == keylen | |
2187 * - Partly match: mlen == typebuf.tb_len | |
2188 */ | |
2189 keylen = mp->m_keylen; | |
2190 if (mlen == keylen | |
2191 || (mlen == typebuf.tb_len | |
2192 && typebuf.tb_len < keylen)) | |
2193 { | |
2194 /* | |
2195 * If only script-local mappings are | |
2196 * allowed, check if the mapping starts | |
2197 * with K_SNR. | |
2198 */ | |
2199 s = typebuf.tb_noremap + typebuf.tb_off; | |
2200 if (*s == RM_SCRIPT | |
2201 && (mp->m_keys[0] != K_SPECIAL | |
2202 || mp->m_keys[1] != KS_EXTRA | |
2203 || mp->m_keys[2] | |
2204 != (int)KE_SNR)) | |
2205 continue; | |
2206 /* | |
2207 * If one of the typed keys cannot be | |
2208 * remapped, skip the entry. | |
2209 */ | |
2210 for (n = mlen; --n >= 0; ) | |
10 | 2211 if (*s++ & (RM_NONE|RM_ABBR)) |
7 | 2212 break; |
2213 if (n >= 0) | |
2214 continue; | |
2215 | |
2216 if (keylen > typebuf.tb_len) | |
2217 { | |
2218 if (!timedout) | |
2219 { | |
2220 /* break at a partly match */ | |
2672 | 2221 keylen = KEYLEN_PART_MAP; |
7 | 2222 break; |
2223 } | |
2224 } | |
2225 else if (keylen > mp_match_len) | |
2226 { | |
2227 /* found a longer match */ | |
2228 mp_match = mp; | |
2229 mp_match_len = keylen; | |
2230 } | |
2231 } | |
2232 else | |
2233 /* No match; may have to check for | |
2234 * termcode at next character. */ | |
2235 if (max_mlen < mlen) | |
2236 max_mlen = mlen; | |
2237 } | |
2238 } | |
2239 | |
2240 /* If no partly match found, use the longest full | |
2241 * match. */ | |
2672 | 2242 if (keylen != KEYLEN_PART_MAP) |
7 | 2243 { |
2244 mp = mp_match; | |
2245 keylen = mp_match_len; | |
2246 } | |
2247 } | |
2248 | |
2249 /* Check for match with 'pastetoggle' */ | |
2250 if (*p_pt != NUL && mp == NULL && (State & (INSERT|NORMAL))) | |
2251 { | |
2252 for (mlen = 0; mlen < typebuf.tb_len && p_pt[mlen]; | |
2253 ++mlen) | |
2254 if (p_pt[mlen] != typebuf.tb_buf[typebuf.tb_off | |
2255 + mlen]) | |
2256 break; | |
2257 if (p_pt[mlen] == NUL) /* match */ | |
2258 { | |
2259 /* write chars to script file(s) */ | |
2260 if (mlen > typebuf.tb_maplen) | |
2261 gotchars(typebuf.tb_buf + typebuf.tb_off | |
2262 + typebuf.tb_maplen, | |
2263 mlen - typebuf.tb_maplen); | |
2264 | |
2265 del_typebuf(mlen, 0); /* remove the chars */ | |
2266 set_option_value((char_u *)"paste", | |
2267 (long)!p_paste, NULL, 0); | |
2268 if (!(State & INSERT)) | |
2269 { | |
2270 msg_col = 0; | |
2271 msg_row = Rows - 1; | |
2272 msg_clr_eos(); /* clear ruler */ | |
2273 } | |
2274 showmode(); | |
2275 setcursor(); | |
2276 continue; | |
2277 } | |
2278 /* Need more chars for partly match. */ | |
2279 if (mlen == typebuf.tb_len) | |
2672 | 2280 keylen = KEYLEN_PART_KEY; |
7 | 2281 else if (max_mlen < mlen) |
2282 /* no match, may have to check for termcode at | |
2283 * next character */ | |
2284 max_mlen = mlen + 1; | |
2285 } | |
2286 | |
2287 if ((mp == NULL || max_mlen >= mp_match_len) | |
2672 | 2288 && keylen != KEYLEN_PART_MAP) |
7 | 2289 { |
1618 | 2290 int save_keylen = keylen; |
2291 | |
7 | 2292 /* |
2293 * When no matching mapping found or found a | |
2294 * non-matching mapping that matches at least what the | |
2295 * matching mapping matched: | |
2296 * Check if we have a terminal code, when: | |
2297 * mapping is allowed, | |
2298 * keys have not been mapped, | |
2299 * and not an ESC sequence, not in insert mode or | |
2300 * p_ek is on, | |
2301 * and when not timed out, | |
2302 */ | |
2303 if ((no_mapping == 0 || allow_keys != 0) | |
2304 && (typebuf.tb_maplen == 0 | |
2305 || (p_remap && typebuf.tb_noremap[ | |
2306 typebuf.tb_off] == RM_YES)) | |
2307 && !timedout) | |
2308 { | |
3328 | 2309 keylen = check_termcode(max_mlen + 1, |
2310 NULL, 0, NULL); | |
7 | 2311 |
1618 | 2312 /* If no termcode matched but 'pastetoggle' |
2313 * matched partially it's like an incomplete key | |
2314 * sequence. */ | |
2672 | 2315 if (keylen == 0 && save_keylen == KEYLEN_PART_KEY) |
2316 keylen = KEYLEN_PART_KEY; | |
1618 | 2317 |
7 | 2318 /* |
2319 * When getting a partial match, but the last | |
2320 * characters were not typed, don't wait for a | |
2321 * typed character to complete the termcode. | |
2322 * This helps a lot when a ":normal" command ends | |
2323 * in an ESC. | |
2324 */ | |
2325 if (keylen < 0 | |
2326 && typebuf.tb_len == typebuf.tb_maplen) | |
2327 keylen = 0; | |
2328 } | |
2329 else | |
2330 keylen = 0; | |
2331 if (keylen == 0) /* no matching terminal code */ | |
2332 { | |
2333 #ifdef AMIGA /* check for window bounds report */ | |
2334 if (typebuf.tb_maplen == 0 && (typebuf.tb_buf[ | |
2335 typebuf.tb_off] & 0xff) == CSI) | |
2336 { | |
2337 for (s = typebuf.tb_buf + typebuf.tb_off + 1; | |
2338 s < typebuf.tb_buf + typebuf.tb_off | |
2339 + typebuf.tb_len | |
2340 && (VIM_ISDIGIT(*s) || *s == ';' | |
2341 || *s == ' '); | |
2342 ++s) | |
2343 ; | |
2344 if (*s == 'r' || *s == '|') /* found one */ | |
2345 { | |
2346 del_typebuf((int)(s + 1 - | |
2347 (typebuf.tb_buf + typebuf.tb_off)), 0); | |
2348 /* get size and redraw screen */ | |
2349 shell_resized(); | |
2350 continue; | |
2351 } | |
2352 if (*s == NUL) /* need more characters */ | |
2672 | 2353 keylen = KEYLEN_PART_KEY; |
7 | 2354 } |
2355 if (keylen >= 0) | |
2356 #endif | |
2357 /* When there was a matching mapping and no | |
2358 * termcode could be replaced after another one, | |
1618 | 2359 * use that mapping (loop around). If there was |
2360 * no mapping use the character from the | |
2361 * typeahead buffer right here. */ | |
7 | 2362 if (mp == NULL) |
2363 { | |
2364 /* | |
2365 * get a character: 2. from the typeahead buffer | |
2366 */ | |
2367 c = typebuf.tb_buf[typebuf.tb_off] & 255; | |
2368 if (advance) /* remove chars from tb_buf */ | |
2369 { | |
2370 cmd_silent = (typebuf.tb_silent > 0); | |
2371 if (typebuf.tb_maplen > 0) | |
2372 KeyTyped = FALSE; | |
2373 else | |
2374 { | |
2375 KeyTyped = TRUE; | |
2376 /* write char to script file(s) */ | |
2377 gotchars(typebuf.tb_buf | |
2378 + typebuf.tb_off, 1); | |
2379 } | |
1051 | 2380 KeyNoremap = typebuf.tb_noremap[ |
2381 typebuf.tb_off]; | |
7 | 2382 del_typebuf(1, 0); |
2383 } | |
2384 break; /* got character, break for loop */ | |
2385 } | |
2386 } | |
2387 if (keylen > 0) /* full matching terminal code */ | |
2388 { | |
2389 #if defined(FEAT_GUI) && defined(FEAT_MENU) | |
2672 | 2390 if (typebuf.tb_len >= 2 |
2391 && typebuf.tb_buf[typebuf.tb_off] == K_SPECIAL | |
7 | 2392 && typebuf.tb_buf[typebuf.tb_off + 1] |
2393 == KS_MENU) | |
2394 { | |
2395 /* | |
2396 * Using a menu may cause a break in undo! | |
2397 * It's like using gotchars(), but without | |
2398 * recording or writing to a script file. | |
2399 */ | |
2400 may_sync_undo(); | |
2401 del_typebuf(3, 0); | |
2402 idx = get_menu_index(current_menu, local_State); | |
2403 if (idx != MENU_INDEX_INVALID) | |
2404 { | |
2405 # ifdef FEAT_VISUAL | |
2406 /* | |
788 | 2407 * In Select mode and a Visual mode menu |
2408 * is used: Switch to Visual mode | |
7 | 2409 * temporarily. Append K_SELECT to switch |
2410 * back to Select mode. | |
2411 */ | |
788 | 2412 if (VIsual_active && VIsual_select |
2413 && (current_menu->modes & VISUAL)) | |
7 | 2414 { |
2415 VIsual_select = FALSE; | |
2416 (void)ins_typebuf(K_SELECT_STRING, | |
2417 REMAP_NONE, 0, TRUE, FALSE); | |
2418 } | |
2419 # endif | |
2420 ins_typebuf(current_menu->strings[idx], | |
2421 current_menu->noremap[idx], | |
2422 0, TRUE, | |
2423 current_menu->silent[idx]); | |
2424 } | |
2425 } | |
1462 | 2426 #endif /* FEAT_GUI && FEAT_MENU */ |
7 | 2427 continue; /* try mapping again */ |
2428 } | |
2429 | |
2430 /* Partial match: get some more characters. When a | |
2431 * matching mapping was found use that one. */ | |
2432 if (mp == NULL || keylen < 0) | |
2672 | 2433 keylen = KEYLEN_PART_KEY; |
7 | 2434 else |
2435 keylen = mp_match_len; | |
2436 } | |
2437 | |
2438 /* complete match */ | |
2439 if (keylen >= 0 && keylen <= typebuf.tb_len) | |
2440 { | |
2062
dae4cd29a0b7
updated for version 7.2.347
Bram Moolenaar <bram@zimbu.org>
parents:
1992
diff
changeset
|
2441 #ifdef FEAT_EVAL |
dae4cd29a0b7
updated for version 7.2.347
Bram Moolenaar <bram@zimbu.org>
parents:
1992
diff
changeset
|
2442 int save_m_expr; |
dae4cd29a0b7
updated for version 7.2.347
Bram Moolenaar <bram@zimbu.org>
parents:
1992
diff
changeset
|
2443 int save_m_noremap; |
dae4cd29a0b7
updated for version 7.2.347
Bram Moolenaar <bram@zimbu.org>
parents:
1992
diff
changeset
|
2444 int save_m_silent; |
dae4cd29a0b7
updated for version 7.2.347
Bram Moolenaar <bram@zimbu.org>
parents:
1992
diff
changeset
|
2445 char_u *save_m_keys; |
dae4cd29a0b7
updated for version 7.2.347
Bram Moolenaar <bram@zimbu.org>
parents:
1992
diff
changeset
|
2446 char_u *save_m_str; |
dae4cd29a0b7
updated for version 7.2.347
Bram Moolenaar <bram@zimbu.org>
parents:
1992
diff
changeset
|
2447 #else |
dae4cd29a0b7
updated for version 7.2.347
Bram Moolenaar <bram@zimbu.org>
parents:
1992
diff
changeset
|
2448 # define save_m_noremap mp->m_noremap |
dae4cd29a0b7
updated for version 7.2.347
Bram Moolenaar <bram@zimbu.org>
parents:
1992
diff
changeset
|
2449 # define save_m_silent mp->m_silent |
dae4cd29a0b7
updated for version 7.2.347
Bram Moolenaar <bram@zimbu.org>
parents:
1992
diff
changeset
|
2450 #endif |
dae4cd29a0b7
updated for version 7.2.347
Bram Moolenaar <bram@zimbu.org>
parents:
1992
diff
changeset
|
2451 |
7 | 2452 /* write chars to script file(s) */ |
2453 if (keylen > typebuf.tb_maplen) | |
2454 gotchars(typebuf.tb_buf + typebuf.tb_off | |
2455 + typebuf.tb_maplen, | |
2456 keylen - typebuf.tb_maplen); | |
2457 | |
2458 cmd_silent = (typebuf.tb_silent > 0); | |
2459 del_typebuf(keylen, 0); /* remove the mapped keys */ | |
2460 | |
2461 /* | |
2462 * Put the replacement string in front of mapstr. | |
2463 * The depth check catches ":map x y" and ":map y x". | |
2464 */ | |
2465 if (++mapdepth >= p_mmd) | |
2466 { | |
2467 EMSG(_("E223: recursive mapping")); | |
2468 if (State & CMDLINE) | |
2469 redrawcmdline(); | |
2470 else | |
2471 setcursor(); | |
2472 flush_buffers(FALSE); | |
2473 mapdepth = 0; /* for next one */ | |
2474 c = -1; | |
2475 break; | |
2476 } | |
2477 | |
2478 #ifdef FEAT_VISUAL | |
2479 /* | |
788 | 2480 * In Select mode and a Visual mode mapping is used: |
7 | 2481 * Switch to Visual mode temporarily. Append K_SELECT |
2482 * to switch back to Select mode. | |
2483 */ | |
788 | 2484 if (VIsual_active && VIsual_select |
2485 && (mp->m_mode & VISUAL)) | |
7 | 2486 { |
2487 VIsual_select = FALSE; | |
2488 (void)ins_typebuf(K_SELECT_STRING, REMAP_NONE, | |
2489 0, TRUE, FALSE); | |
2490 } | |
2491 #endif | |
2492 | |
721 | 2493 #ifdef FEAT_EVAL |
2062
dae4cd29a0b7
updated for version 7.2.347
Bram Moolenaar <bram@zimbu.org>
parents:
1992
diff
changeset
|
2494 /* Copy the values from *mp that are used, because |
dae4cd29a0b7
updated for version 7.2.347
Bram Moolenaar <bram@zimbu.org>
parents:
1992
diff
changeset
|
2495 * evaluating the expression may invoke a function |
dae4cd29a0b7
updated for version 7.2.347
Bram Moolenaar <bram@zimbu.org>
parents:
1992
diff
changeset
|
2496 * that redefines the mapping, thereby making *mp |
dae4cd29a0b7
updated for version 7.2.347
Bram Moolenaar <bram@zimbu.org>
parents:
1992
diff
changeset
|
2497 * invalid. */ |
dae4cd29a0b7
updated for version 7.2.347
Bram Moolenaar <bram@zimbu.org>
parents:
1992
diff
changeset
|
2498 save_m_expr = mp->m_expr; |
dae4cd29a0b7
updated for version 7.2.347
Bram Moolenaar <bram@zimbu.org>
parents:
1992
diff
changeset
|
2499 save_m_noremap = mp->m_noremap; |
dae4cd29a0b7
updated for version 7.2.347
Bram Moolenaar <bram@zimbu.org>
parents:
1992
diff
changeset
|
2500 save_m_silent = mp->m_silent; |
dae4cd29a0b7
updated for version 7.2.347
Bram Moolenaar <bram@zimbu.org>
parents:
1992
diff
changeset
|
2501 save_m_keys = NULL; /* only saved when needed */ |
dae4cd29a0b7
updated for version 7.2.347
Bram Moolenaar <bram@zimbu.org>
parents:
1992
diff
changeset
|
2502 save_m_str = NULL; /* only saved when needed */ |
dae4cd29a0b7
updated for version 7.2.347
Bram Moolenaar <bram@zimbu.org>
parents:
1992
diff
changeset
|
2503 |
721 | 2504 /* |
2505 * Handle ":map <expr>": evaluate the {rhs} as an | |
3135 | 2506 * expression. Also save and restore the command line |
2507 * for "normal :". | |
721 | 2508 */ |
2509 if (mp->m_expr) | |
822 | 2510 { |
2511 int save_vgetc_busy = vgetc_busy; | |
2512 | |
3135 | 2513 vgetc_busy = 0; |
2514 save_m_keys = vim_strsave(mp->m_keys); | |
2515 save_m_str = vim_strsave(mp->m_str); | |
2516 s = eval_map_expr(save_m_str, NUL); | |
2517 vgetc_busy = save_vgetc_busy; | |
822 | 2518 } |
721 | 2519 else |
2520 #endif | |
2521 s = mp->m_str; | |
2522 | |
7 | 2523 /* |
2524 * Insert the 'to' part in the typebuf.tb_buf. | |
2525 * If 'from' field is the same as the start of the | |
10 | 2526 * 'to' field, don't remap the first character (but do |
2527 * allow abbreviations). | |
7 | 2528 * If m_noremap is set, don't remap the whole 'to' |
2529 * part. | |
2530 */ | |
721 | 2531 if (s == NULL) |
2532 i = FAIL; | |
2533 else | |
2534 { | |
2066
2bd96108392e
updated for version 7.2.351
Bram Moolenaar <bram@zimbu.org>
parents:
2062
diff
changeset
|
2535 int noremap; |
2bd96108392e
updated for version 7.2.351
Bram Moolenaar <bram@zimbu.org>
parents:
2062
diff
changeset
|
2536 |
2bd96108392e
updated for version 7.2.351
Bram Moolenaar <bram@zimbu.org>
parents:
2062
diff
changeset
|
2537 if (save_m_noremap != REMAP_YES) |
2bd96108392e
updated for version 7.2.351
Bram Moolenaar <bram@zimbu.org>
parents:
2062
diff
changeset
|
2538 noremap = save_m_noremap; |
2bd96108392e
updated for version 7.2.351
Bram Moolenaar <bram@zimbu.org>
parents:
2062
diff
changeset
|
2539 else if ( |
2062
dae4cd29a0b7
updated for version 7.2.347
Bram Moolenaar <bram@zimbu.org>
parents:
1992
diff
changeset
|
2540 #ifdef FEAT_EVAL |
2066
2bd96108392e
updated for version 7.2.351
Bram Moolenaar <bram@zimbu.org>
parents:
2062
diff
changeset
|
2541 STRNCMP(s, save_m_keys != NULL |
2bd96108392e
updated for version 7.2.351
Bram Moolenaar <bram@zimbu.org>
parents:
2062
diff
changeset
|
2542 ? save_m_keys : mp->m_keys, |
2bd96108392e
updated for version 7.2.351
Bram Moolenaar <bram@zimbu.org>
parents:
2062
diff
changeset
|
2543 (size_t)keylen) |
2bd96108392e
updated for version 7.2.351
Bram Moolenaar <bram@zimbu.org>
parents:
2062
diff
changeset
|
2544 #else |
2bd96108392e
updated for version 7.2.351
Bram Moolenaar <bram@zimbu.org>
parents:
2062
diff
changeset
|
2545 STRNCMP(s, mp->m_keys, (size_t)keylen) |
2062
dae4cd29a0b7
updated for version 7.2.347
Bram Moolenaar <bram@zimbu.org>
parents:
1992
diff
changeset
|
2546 #endif |
2066
2bd96108392e
updated for version 7.2.351
Bram Moolenaar <bram@zimbu.org>
parents:
2062
diff
changeset
|
2547 != 0) |
2bd96108392e
updated for version 7.2.351
Bram Moolenaar <bram@zimbu.org>
parents:
2062
diff
changeset
|
2548 noremap = REMAP_YES; |
2bd96108392e
updated for version 7.2.351
Bram Moolenaar <bram@zimbu.org>
parents:
2062
diff
changeset
|
2549 else |
2bd96108392e
updated for version 7.2.351
Bram Moolenaar <bram@zimbu.org>
parents:
2062
diff
changeset
|
2550 noremap = REMAP_SKIP; |
2bd96108392e
updated for version 7.2.351
Bram Moolenaar <bram@zimbu.org>
parents:
2062
diff
changeset
|
2551 i = ins_typebuf(s, noremap, |
2bd96108392e
updated for version 7.2.351
Bram Moolenaar <bram@zimbu.org>
parents:
2062
diff
changeset
|
2552 0, TRUE, cmd_silent || save_m_silent); |
721 | 2553 #ifdef FEAT_EVAL |
2062
dae4cd29a0b7
updated for version 7.2.347
Bram Moolenaar <bram@zimbu.org>
parents:
1992
diff
changeset
|
2554 if (save_m_expr) |
721 | 2555 vim_free(s); |
2556 #endif | |
2557 } | |
2062
dae4cd29a0b7
updated for version 7.2.347
Bram Moolenaar <bram@zimbu.org>
parents:
1992
diff
changeset
|
2558 #ifdef FEAT_EVAL |
dae4cd29a0b7
updated for version 7.2.347
Bram Moolenaar <bram@zimbu.org>
parents:
1992
diff
changeset
|
2559 vim_free(save_m_keys); |
dae4cd29a0b7
updated for version 7.2.347
Bram Moolenaar <bram@zimbu.org>
parents:
1992
diff
changeset
|
2560 vim_free(save_m_str); |
dae4cd29a0b7
updated for version 7.2.347
Bram Moolenaar <bram@zimbu.org>
parents:
1992
diff
changeset
|
2561 #endif |
721 | 2562 if (i == FAIL) |
7 | 2563 { |
2564 c = -1; | |
2565 break; | |
2566 } | |
2567 continue; | |
2568 } | |
2569 } | |
2570 | |
2571 /* | |
2572 * get a character: 3. from the user - handle <Esc> in Insert mode | |
2573 */ | |
2574 /* | |
2575 * special case: if we get an <ESC> in insert mode and there | |
2576 * are no more characters at once, we pretend to go out of | |
2577 * insert mode. This prevents the one second delay after | |
2578 * typing an <ESC>. If we get something after all, we may | |
2579 * have to redisplay the mode. That the cursor is in the wrong | |
2580 * place does not matter. | |
2581 */ | |
2582 c = 0; | |
2583 #ifdef FEAT_CMDL_INFO | |
2584 new_wcol = curwin->w_wcol; | |
2585 new_wrow = curwin->w_wrow; | |
2586 #endif | |
2587 if ( advance | |
2588 && typebuf.tb_len == 1 | |
2589 && typebuf.tb_buf[typebuf.tb_off] == ESC | |
2590 && !no_mapping | |
2591 #ifdef FEAT_EX_EXTRA | |
2592 && ex_normal_busy == 0 | |
2593 #endif | |
2594 && typebuf.tb_maplen == 0 | |
2595 && (State & INSERT) | |
2672 | 2596 && (p_timeout |
2597 || (keylen == KEYLEN_PART_KEY && p_ttimeout)) | |
7 | 2598 && (c = inchar(typebuf.tb_buf + typebuf.tb_off |
2599 + typebuf.tb_len, 3, 25L, | |
2600 typebuf.tb_change_cnt)) == 0) | |
2601 { | |
2602 colnr_T col = 0, vcol; | |
2603 char_u *ptr; | |
2604 | |
643 | 2605 if (mode_displayed) |
7 | 2606 { |
2607 unshowmode(TRUE); | |
2608 mode_deleted = TRUE; | |
2609 } | |
2610 #ifdef FEAT_GUI | |
2611 /* may show different cursor shape */ | |
2612 if (gui.in_use) | |
2613 { | |
2614 int save_State; | |
2615 | |
2616 save_State = State; | |
2617 State = NORMAL; | |
2618 gui_update_cursor(TRUE, FALSE); | |
2619 State = save_State; | |
2620 shape_changed = TRUE; | |
2621 } | |
2622 #endif | |
2623 validate_cursor(); | |
2624 old_wcol = curwin->w_wcol; | |
2625 old_wrow = curwin->w_wrow; | |
2626 | |
2627 /* move cursor left, if possible */ | |
2628 if (curwin->w_cursor.col != 0) | |
2629 { | |
2630 if (curwin->w_wcol > 0) | |
2631 { | |
2632 if (did_ai) | |
2633 { | |
2634 /* | |
2635 * We are expecting to truncate the trailing | |
2636 * white-space, so find the last non-white | |
2637 * character -- webb | |
2638 */ | |
2639 col = vcol = curwin->w_wcol = 0; | |
2640 ptr = ml_get_curline(); | |
2641 while (col < curwin->w_cursor.col) | |
2642 { | |
2643 if (!vim_iswhite(ptr[col])) | |
2644 curwin->w_wcol = vcol; | |
2645 vcol += lbr_chartabsize(ptr + col, | |
2646 (colnr_T)vcol); | |
2647 #ifdef FEAT_MBYTE | |
2648 if (has_mbyte) | |
474 | 2649 col += (*mb_ptr2len)(ptr + col); |
7 | 2650 else |
2651 #endif | |
2652 ++col; | |
2653 } | |
2654 curwin->w_wrow = curwin->w_cline_row | |
2655 + curwin->w_wcol / W_WIDTH(curwin); | |
2656 curwin->w_wcol %= W_WIDTH(curwin); | |
2657 curwin->w_wcol += curwin_col_off(); | |
2658 #ifdef FEAT_MBYTE | |
2659 col = 0; /* no correction needed */ | |
2660 #endif | |
2661 } | |
2662 else | |
2663 { | |
2664 --curwin->w_wcol; | |
2665 #ifdef FEAT_MBYTE | |
2666 col = curwin->w_cursor.col - 1; | |
2667 #endif | |
2668 } | |
2669 } | |
2670 else if (curwin->w_p_wrap && curwin->w_wrow) | |
2671 { | |
2672 --curwin->w_wrow; | |
2673 curwin->w_wcol = W_WIDTH(curwin) - 1; | |
2674 #ifdef FEAT_MBYTE | |
2675 col = curwin->w_cursor.col - 1; | |
2676 #endif | |
2677 } | |
2678 #ifdef FEAT_MBYTE | |
2679 if (has_mbyte && col > 0 && curwin->w_wcol > 0) | |
2680 { | |
2681 /* Correct when the cursor is on the right halve | |
2682 * of a double-wide character. */ | |
2683 ptr = ml_get_curline(); | |
2684 col -= (*mb_head_off)(ptr, ptr + col); | |
2685 if ((*mb_ptr2cells)(ptr + col) > 1) | |
2686 --curwin->w_wcol; | |
2687 } | |
2688 #endif | |
2689 } | |
2690 setcursor(); | |
2691 out_flush(); | |
2692 #ifdef FEAT_CMDL_INFO | |
2693 new_wcol = curwin->w_wcol; | |
2694 new_wrow = curwin->w_wrow; | |
2695 #endif | |
2696 curwin->w_wcol = old_wcol; | |
2697 curwin->w_wrow = old_wrow; | |
2698 } | |
2699 if (c < 0) | |
2700 continue; /* end of input script reached */ | |
2701 typebuf.tb_len += c; | |
2702 | |
2703 /* buffer full, don't map */ | |
2704 if (typebuf.tb_len >= typebuf.tb_maplen + MAXMAPLEN) | |
2705 { | |
2706 timedout = TRUE; | |
2707 continue; | |
2708 } | |
2709 | |
2710 #ifdef FEAT_EX_EXTRA | |
2711 if (ex_normal_busy > 0) | |
2712 { | |
2713 # ifdef FEAT_CMDWIN | |
2714 static int tc = 0; | |
2715 # endif | |
2716 | |
2717 /* No typeahead left and inside ":normal". Must return | |
2718 * something to avoid getting stuck. When an incomplete | |
2719 * mapping is present, behave like it timed out. */ | |
2720 if (typebuf.tb_len > 0) | |
2721 { | |
2722 timedout = TRUE; | |
2723 continue; | |
2724 } | |
2725 /* When 'insertmode' is set, ESC just beeps in Insert | |
2726 * mode. Use CTRL-L to make edit() return. | |
2727 * For the command line only CTRL-C always breaks it. | |
2728 * For the cmdline window: Alternate between ESC and | |
2729 * CTRL-C: ESC for most situations and CTRL-C to close the | |
2730 * cmdline window. */ | |
2731 if (p_im && (State & INSERT)) | |
2732 c = Ctrl_L; | |
2733 else if ((State & CMDLINE) | |
2734 # ifdef FEAT_CMDWIN | |
2735 || (cmdwin_type > 0 && tc == ESC) | |
2736 # endif | |
2737 ) | |
2738 c = Ctrl_C; | |
2739 else | |
2740 c = ESC; | |
2741 # ifdef FEAT_CMDWIN | |
2742 tc = c; | |
2743 # endif | |
2744 break; | |
2745 } | |
2746 #endif | |
2747 | |
2748 /* | |
2749 * get a character: 3. from the user - update display | |
2750 */ | |
2751 /* In insert mode a screen update is skipped when characters | |
2752 * are still available. But when those available characters | |
2753 * are part of a mapping, and we are going to do a blocking | |
2754 * wait here. Need to update the screen to display the | |
2721 | 2755 * changed text so far. Also for when 'lazyredraw' is set and |
2756 * redrawing was postponed because there was something in the | |
2757 * input buffer (e.g., termresponse). */ | |
2723 | 2758 if (((State & INSERT) != 0 || p_lz) && (State & CMDLINE) == 0 |
2759 && advance && must_redraw != 0 && !need_wait_return) | |
7 | 2760 { |
2761 update_screen(0); | |
2762 setcursor(); /* put cursor back where it belongs */ | |
2763 } | |
2764 | |
2765 /* | |
2766 * If we have a partial match (and are going to wait for more | |
2767 * input from the user), show the partially matched characters | |
2768 * to the user with showcmd. | |
2769 */ | |
2770 #ifdef FEAT_CMDL_INFO | |
2771 i = 0; | |
2772 #endif | |
2773 c1 = 0; | |
2774 if (typebuf.tb_len > 0 && advance && !exmode_active) | |
2775 { | |
2776 if (((State & (NORMAL | INSERT)) || State == LANGMAP) | |
2777 && State != HITRETURN) | |
2778 { | |
2779 /* this looks nice when typing a dead character map */ | |
2780 if (State & INSERT | |
2781 && ptr2cells(typebuf.tb_buf + typebuf.tb_off | |
2782 + typebuf.tb_len - 1) == 1) | |
2783 { | |
2784 edit_putchar(typebuf.tb_buf[typebuf.tb_off | |
2785 + typebuf.tb_len - 1], FALSE); | |
2786 setcursor(); /* put cursor back where it belongs */ | |
2787 c1 = 1; | |
2788 } | |
2789 #ifdef FEAT_CMDL_INFO | |
2790 /* need to use the col and row from above here */ | |
2791 old_wcol = curwin->w_wcol; | |
2792 old_wrow = curwin->w_wrow; | |
2793 curwin->w_wcol = new_wcol; | |
2794 curwin->w_wrow = new_wrow; | |
2795 push_showcmd(); | |
2796 if (typebuf.tb_len > SHOWCMD_COLS) | |
2797 i = typebuf.tb_len - SHOWCMD_COLS; | |
2798 while (i < typebuf.tb_len) | |
2799 (void)add_to_showcmd(typebuf.tb_buf[typebuf.tb_off | |
2800 + i++]); | |
2801 curwin->w_wcol = old_wcol; | |
2802 curwin->w_wrow = old_wrow; | |
2803 #endif | |
2804 } | |
2805 | |
2806 /* this looks nice when typing a dead character map */ | |
2807 if ((State & CMDLINE) | |
2808 #if defined(FEAT_CRYPT) || defined(FEAT_EVAL) | |
2809 && cmdline_star == 0 | |
2810 #endif | |
2811 && ptr2cells(typebuf.tb_buf + typebuf.tb_off | |
2812 + typebuf.tb_len - 1) == 1) | |
2813 { | |
2814 putcmdline(typebuf.tb_buf[typebuf.tb_off | |
2815 + typebuf.tb_len - 1], FALSE); | |
2816 c1 = 1; | |
2817 } | |
2818 } | |
2819 | |
2820 /* | |
2821 * get a character: 3. from the user - get it | |
2822 */ | |
202 | 2823 wait_tb_len = typebuf.tb_len; |
7 | 2824 c = inchar(typebuf.tb_buf + typebuf.tb_off + typebuf.tb_len, |
2825 typebuf.tb_buflen - typebuf.tb_off - typebuf.tb_len - 1, | |
2826 !advance | |
2827 ? 0 | |
2828 : ((typebuf.tb_len == 0 | |
2829 || !(p_timeout || (p_ttimeout | |
2672 | 2830 && keylen == KEYLEN_PART_KEY))) |
7 | 2831 ? -1L |
2672 | 2832 : ((keylen == KEYLEN_PART_KEY && p_ttm >= 0) |
7 | 2833 ? p_ttm |
2834 : p_tm)), typebuf.tb_change_cnt); | |
2835 | |
2836 #ifdef FEAT_CMDL_INFO | |
2837 if (i != 0) | |
2838 pop_showcmd(); | |
2839 #endif | |
2840 if (c1 == 1) | |
2841 { | |
2842 if (State & INSERT) | |
2843 edit_unputchar(); | |
2844 if (State & CMDLINE) | |
2845 unputcmdline(); | |
3560 | 2846 else |
2847 setcursor(); /* put cursor back where it belongs */ | |
7 | 2848 } |
2849 | |
2850 if (c < 0) | |
2851 continue; /* end of input script reached */ | |
2852 if (c == NUL) /* no character available */ | |
2853 { | |
2854 if (!advance) | |
2855 break; | |
202 | 2856 if (wait_tb_len > 0) /* timed out */ |
7 | 2857 { |
2858 timedout = TRUE; | |
2859 continue; | |
2860 } | |
2861 } | |
2862 else | |
2863 { /* allow mapping for just typed characters */ | |
2864 while (typebuf.tb_buf[typebuf.tb_off | |
2865 + typebuf.tb_len] != NUL) | |
2866 typebuf.tb_noremap[typebuf.tb_off | |
2867 + typebuf.tb_len++] = RM_YES; | |
2868 #ifdef USE_IM_CONTROL | |
2869 /* Get IM status right after getting keys, not after the | |
2870 * timeout for a mapping (focus may be lost by then). */ | |
2871 vgetc_im_active = im_get_status(); | |
2872 #endif | |
2873 } | |
2874 } /* for (;;) */ | |
2875 } /* if (!character from stuffbuf) */ | |
2876 | |
2877 /* if advance is FALSE don't loop on NULs */ | |
2878 } while (c < 0 || (advance && c == NUL)); | |
2879 | |
2880 /* | |
2881 * The "INSERT" message is taken care of here: | |
2882 * if we return an ESC to exit insert mode, the message is deleted | |
2883 * if we don't return an ESC but deleted the message before, redisplay it | |
2884 */ | |
641 | 2885 if (advance && p_smd && msg_silent == 0 && (State & INSERT)) |
7 | 2886 { |
643 | 2887 if (c == ESC && !mode_deleted && !no_mapping && mode_displayed) |
7 | 2888 { |
2889 if (typebuf.tb_len && !KeyTyped) | |
2890 redraw_cmdline = TRUE; /* delete mode later */ | |
2891 else | |
2892 unshowmode(FALSE); | |
2893 } | |
2894 else if (c != ESC && mode_deleted) | |
2895 { | |
2896 if (typebuf.tb_len && !KeyTyped) | |
2897 redraw_cmdline = TRUE; /* show mode later */ | |
2898 else | |
2899 showmode(); | |
2900 } | |
2901 } | |
2902 #ifdef FEAT_GUI | |
2903 /* may unshow different cursor shape */ | |
2904 if (gui.in_use && shape_changed) | |
2905 gui_update_cursor(TRUE, FALSE); | |
2906 #endif | |
2907 | |
822 | 2908 --vgetc_busy; |
7 | 2909 |
2910 return c; | |
2911 } | |
2912 | |
2913 /* | |
2914 * inchar() - get one character from | |
2915 * 1. a scriptfile | |
2916 * 2. the keyboard | |
2917 * | |
2918 * As much characters as we can get (upto 'maxlen') are put in "buf" and | |
2919 * NUL terminated (buffer length must be 'maxlen' + 1). | |
2920 * Minimum for "maxlen" is 3!!!! | |
2921 * | |
2922 * "tb_change_cnt" is the value of typebuf.tb_change_cnt if "buf" points into | |
2923 * it. When typebuf.tb_change_cnt changes (e.g., when a message is received | |
2924 * from a remote client) "buf" can no longer be used. "tb_change_cnt" is 0 | |
2925 * otherwise. | |
2926 * | |
2927 * If we got an interrupt all input is read until none is available. | |
2928 * | |
2929 * If wait_time == 0 there is no waiting for the char. | |
2930 * If wait_time == n we wait for n msec for a character to arrive. | |
2931 * If wait_time == -1 we wait forever for a character to arrive. | |
2932 * | |
2933 * Return the number of obtained characters. | |
2934 * Return -1 when end of input script reached. | |
2935 */ | |
2936 int | |
2937 inchar(buf, maxlen, wait_time, tb_change_cnt) | |
2938 char_u *buf; | |
2939 int maxlen; | |
2940 long wait_time; /* milli seconds */ | |
2941 int tb_change_cnt; | |
2942 { | |
2943 int len = 0; /* init for GCC */ | |
2944 int retesc = FALSE; /* return ESC with gotint */ | |
2945 int script_char; | |
2946 | |
2947 if (wait_time == -1L || wait_time > 100L) /* flush output before waiting */ | |
2948 { | |
2949 cursor_on(); | |
2950 out_flush(); | |
2951 #ifdef FEAT_GUI | |
2952 if (gui.in_use) | |
2953 { | |
2954 gui_update_cursor(FALSE, FALSE); | |
2955 # ifdef FEAT_MOUSESHAPE | |
2956 if (postponed_mouseshape) | |
2957 update_mouseshape(-1); | |
2958 # endif | |
2959 } | |
2960 #endif | |
2961 } | |
2962 | |
2963 /* | |
2964 * Don't reset these when at the hit-return prompt, otherwise a endless | |
2965 * recursive loop may result (write error in swapfile, hit-return, timeout | |
2966 * on char wait, flush swapfile, write error....). | |
2967 */ | |
2968 if (State != HITRETURN) | |
2969 { | |
2970 did_outofmem_msg = FALSE; /* display out of memory message (again) */ | |
2971 did_swapwrite_msg = FALSE; /* display swap file write error again */ | |
2972 } | |
2973 undo_off = FALSE; /* restart undo now */ | |
2974 | |
2975 /* | |
1462 | 2976 * Get a character from a script file if there is one. |
2977 * If interrupted: Stop reading script files, close them all. | |
7 | 2978 */ |
2979 script_char = -1; | |
1462 | 2980 while (scriptin[curscript] != NULL && script_char < 0 |
2981 #ifdef FEAT_EVAL | |
2982 && !ignore_script | |
2983 #endif | |
2984 ) | |
7 | 2985 { |
1618 | 2986 |
2987 #if defined(FEAT_NETBEANS_INTG) | |
2988 /* Process the queued netbeans messages. */ | |
2311
ccda151dde4e
Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents:
2277
diff
changeset
|
2989 netbeans_parse_messages(); |
1618 | 2990 #endif |
2991 | |
7 | 2992 if (got_int || (script_char = getc(scriptin[curscript])) < 0) |
2993 { | |
2994 /* Reached EOF. | |
2995 * Careful: closescript() frees typebuf.tb_buf[] and buf[] may | |
2996 * point inside typebuf.tb_buf[]. Don't use buf[] after this! */ | |
2997 closescript(); | |
2998 /* | |
2999 * When reading script file is interrupted, return an ESC to get | |
3000 * back to normal mode. | |
3001 * Otherwise return -1, because typebuf.tb_buf[] has changed. | |
3002 */ | |
3003 if (got_int) | |
3004 retesc = TRUE; | |
3005 else | |
3006 return -1; | |
3007 } | |
3008 else | |
3009 { | |
3010 buf[0] = script_char; | |
3011 len = 1; | |
3012 } | |
3013 } | |
3014 | |
3015 if (script_char < 0) /* did not get a character from script */ | |
3016 { | |
3017 /* | |
3018 * If we got an interrupt, skip all previously typed characters and | |
3019 * return TRUE if quit reading script file. | |
3020 * Stop reading typeahead when a single CTRL-C was read, | |
3021 * fill_input_buf() returns this when not able to read from stdin. | |
3022 * Don't use buf[] here, closescript() may have freed typebuf.tb_buf[] | |
3023 * and buf may be pointing inside typebuf.tb_buf[]. | |
3024 */ | |
3025 if (got_int) | |
3026 { | |
3027 #define DUM_LEN MAXMAPLEN * 3 + 3 | |
3028 char_u dum[DUM_LEN + 1]; | |
3029 | |
3030 for (;;) | |
3031 { | |
3032 len = ui_inchar(dum, DUM_LEN, 0L, 0); | |
3033 if (len == 0 || (len == 1 && dum[0] == 3)) | |
3034 break; | |
3035 } | |
3036 return retesc; | |
3037 } | |
3038 | |
3039 /* | |
3040 * Always flush the output characters when getting input characters | |
3041 * from the user. | |
3042 */ | |
3043 out_flush(); | |
3044 | |
3045 /* | |
3046 * Fill up to a third of the buffer, because each character may be | |
3047 * tripled below. | |
3048 */ | |
3049 len = ui_inchar(buf, maxlen / 3, wait_time, tb_change_cnt); | |
3050 } | |
3051 | |
3052 if (typebuf_changed(tb_change_cnt)) | |
3053 return 0; | |
3054 | |
3055 return fix_input_buffer(buf, len, script_char >= 0); | |
3056 } | |
3057 | |
3058 /* | |
3059 * Fix typed characters for use by vgetc() and check_termcode(). | |
3060 * buf[] must have room to triple the number of bytes! | |
3061 * Returns the new length. | |
3062 */ | |
3063 int | |
3064 fix_input_buffer(buf, len, script) | |
3065 char_u *buf; | |
3066 int len; | |
3067 int script; /* TRUE when reading from a script */ | |
3068 { | |
3069 int i; | |
3070 char_u *p = buf; | |
3071 | |
3072 /* | |
3073 * Two characters are special: NUL and K_SPECIAL. | |
3074 * When compiled With the GUI CSI is also special. | |
3075 * Replace NUL by K_SPECIAL KS_ZERO KE_FILLER | |
3076 * Replace K_SPECIAL by K_SPECIAL KS_SPECIAL KE_FILLER | |
3077 * Replace CSI by K_SPECIAL KS_EXTRA KE_CSI | |
3078 * Don't replace K_SPECIAL when reading a script file. | |
3079 */ | |
3080 for (i = len; --i >= 0; ++p) | |
3081 { | |
3082 #ifdef FEAT_GUI | |
3083 /* When the GUI is used any character can come after a CSI, don't | |
3084 * escape it. */ | |
3085 if (gui.in_use && p[0] == CSI && i >= 2) | |
3086 { | |
3087 p += 2; | |
3088 i -= 2; | |
3089 } | |
3090 /* When the GUI is not used CSI needs to be escaped. */ | |
3091 else if (!gui.in_use && p[0] == CSI) | |
3092 { | |
3093 mch_memmove(p + 3, p + 1, (size_t)i); | |
3094 *p++ = K_SPECIAL; | |
3095 *p++ = KS_EXTRA; | |
3096 *p = (int)KE_CSI; | |
3097 len += 2; | |
3098 } | |
3099 else | |
3100 #endif | |
3101 if (p[0] == NUL || (p[0] == K_SPECIAL && !script | |
202 | 3102 #ifdef FEAT_AUTOCMD |
3103 /* timeout may generate K_CURSORHOLD */ | |
3104 && (i < 2 || p[1] != KS_EXTRA || p[2] != (int)KE_CURSORHOLD) | |
3105 #endif | |
7 | 3106 #if defined(WIN3264) && !defined(FEAT_GUI) |
3107 /* Win32 console passes modifiers */ | |
3108 && (i < 2 || p[1] != KS_MODIFIER) | |
3109 #endif | |
3110 )) | |
3111 { | |
3112 mch_memmove(p + 3, p + 1, (size_t)i); | |
3113 p[2] = K_THIRD(p[0]); | |
3114 p[1] = K_SECOND(p[0]); | |
3115 p[0] = K_SPECIAL; | |
3116 p += 2; | |
3117 len += 2; | |
3118 } | |
3119 } | |
3120 *p = NUL; /* add trailing NUL */ | |
3121 return len; | |
3122 } | |
3123 | |
3124 #if defined(USE_INPUT_BUF) || defined(PROTO) | |
3125 /* | |
3126 * Return TRUE when bytes are in the input buffer or in the typeahead buffer. | |
3127 * Normally the input buffer would be sufficient, but the server_to_input_buf() | |
842 | 3128 * or feedkeys() may insert characters in the typeahead buffer while we are |
841 | 3129 * waiting for input to arrive. |
7 | 3130 */ |
3131 int | |
3132 input_available() | |
3133 { | |
3134 return (!vim_is_input_buf_empty() | |
841 | 3135 # if defined(FEAT_CLIENTSERVER) || defined(FEAT_EVAL) |
3136 || typebuf_was_filled | |
7 | 3137 # endif |
3138 ); | |
3139 } | |
3140 #endif | |
3141 | |
3142 /* | |
3143 * map[!] : show all key mappings | |
3144 * map[!] {lhs} : show key mapping for {lhs} | |
3145 * map[!] {lhs} {rhs} : set key mapping for {lhs} to {rhs} | |
3146 * noremap[!] {lhs} {rhs} : same, but no remapping for {rhs} | |
3147 * unmap[!] {lhs} : remove key mapping for {lhs} | |
3148 * abbr : show all abbreviations | |
3149 * abbr {lhs} : show abbreviations for {lhs} | |
3150 * abbr {lhs} {rhs} : set abbreviation for {lhs} to {rhs} | |
3151 * noreabbr {lhs} {rhs} : same, but no remapping for {rhs} | |
3152 * unabbr {lhs} : remove abbreviation for {lhs} | |
3153 * | |
3154 * maptype: 0 for :map, 1 for :unmap, 2 for noremap. | |
3155 * | |
3156 * arg is pointer to any arguments. Note: arg cannot be a read-only string, | |
3157 * it will be modified. | |
3158 * | |
788 | 3159 * for :map mode is NORMAL + VISUAL + SELECTMODE + OP_PENDING |
7 | 3160 * for :map! mode is INSERT + CMDLINE |
3161 * for :cmap mode is CMDLINE | |
3162 * for :imap mode is INSERT | |
3163 * for :lmap mode is LANGMAP | |
3164 * for :nmap mode is NORMAL | |
788 | 3165 * for :vmap mode is VISUAL + SELECTMODE |
3166 * for :xmap mode is VISUAL | |
3167 * for :smap mode is SELECTMODE | |
7 | 3168 * for :omap mode is OP_PENDING |
3169 * | |
3170 * for :abbr mode is INSERT + CMDLINE | |
3171 * for :iabbr mode is INSERT | |
3172 * for :cabbr mode is CMDLINE | |
3173 * | |
3174 * Return 0 for success | |
3175 * 1 for invalid arguments | |
3176 * 2 for no match | |
3177 * 4 for out of mem | |
3178 * 5 for entry not unique | |
3179 */ | |
3180 int | |
3181 do_map(maptype, arg, mode, abbrev) | |
3182 int maptype; | |
3183 char_u *arg; | |
3184 int mode; | |
3185 int abbrev; /* not a mapping but an abbreviation */ | |
3186 { | |
3187 char_u *keys; | |
3188 mapblock_T *mp, **mpp; | |
3189 char_u *rhs; | |
3190 char_u *p; | |
3191 int n; | |
3192 int len = 0; /* init for GCC */ | |
3193 char_u *newstr; | |
3194 int hasarg; | |
3195 int haskey; | |
3196 int did_it = FALSE; | |
3197 #ifdef FEAT_LOCALMAP | |
3198 int did_local = FALSE; | |
3199 #endif | |
3200 int round; | |
3201 char_u *keys_buf = NULL; | |
3202 char_u *arg_buf = NULL; | |
3203 int retval = 0; | |
3204 int do_backslash; | |
3205 int hash; | |
3206 int new_hash; | |
3207 mapblock_T **abbr_table; | |
3208 mapblock_T **map_table; | |
3209 int unique = FALSE; | |
3210 int silent = FALSE; | |
859 | 3211 int special = FALSE; |
721 | 3212 #ifdef FEAT_EVAL |
3213 int expr = FALSE; | |
3214 #endif | |
7 | 3215 int noremap; |
2610 | 3216 char_u *orig_rhs; |
7 | 3217 |
3218 keys = arg; | |
3219 map_table = maphash; | |
3220 abbr_table = &first_abbr; | |
3221 | |
3222 /* For ":noremap" don't remap, otherwise do remap. */ | |
3223 if (maptype == 2) | |
3224 noremap = REMAP_NONE; | |
3225 else | |
3226 noremap = REMAP_YES; | |
3227 | |
721 | 3228 /* Accept <buffer>, <silent>, <expr> <script> and <unique> in any order. */ |
7 | 3229 for (;;) |
3230 { | |
3231 #ifdef FEAT_LOCALMAP | |
3232 /* | |
3233 * Check for "<buffer>": mapping local to buffer. | |
3234 */ | |
3235 if (STRNCMP(keys, "<buffer>", 8) == 0) | |
3236 { | |
3237 keys = skipwhite(keys + 8); | |
3238 map_table = curbuf->b_maphash; | |
3239 abbr_table = &curbuf->b_first_abbr; | |
3240 continue; | |
3241 } | |
3242 #endif | |
3243 | |
3244 /* | |
3245 * Check for "<silent>": don't echo commands. | |
3246 */ | |
3247 if (STRNCMP(keys, "<silent>", 8) == 0) | |
3248 { | |
3249 keys = skipwhite(keys + 8); | |
3250 silent = TRUE; | |
3251 continue; | |
3252 } | |
3253 | |
859 | 3254 /* |
3255 * Check for "<special>": accept special keys in <> | |
3256 */ | |
3257 if (STRNCMP(keys, "<special>", 9) == 0) | |
3258 { | |
3259 keys = skipwhite(keys + 9); | |
3260 special = TRUE; | |
3261 continue; | |
3262 } | |
3263 | |
7 | 3264 #ifdef FEAT_EVAL |
3265 /* | |
3266 * Check for "<script>": remap script-local mappings only | |
3267 */ | |
3268 if (STRNCMP(keys, "<script>", 8) == 0) | |
3269 { | |
3270 keys = skipwhite(keys + 8); | |
3271 noremap = REMAP_SCRIPT; | |
3272 continue; | |
3273 } | |
721 | 3274 |
3275 /* | |
3276 * Check for "<expr>": {rhs} is an expression. | |
3277 */ | |
3278 if (STRNCMP(keys, "<expr>", 6) == 0) | |
3279 { | |
3280 keys = skipwhite(keys + 6); | |
3281 expr = TRUE; | |
3282 continue; | |
3283 } | |
7 | 3284 #endif |
3285 /* | |
3286 * Check for "<unique>": don't overwrite an existing mapping. | |
3287 */ | |
3288 if (STRNCMP(keys, "<unique>", 8) == 0) | |
3289 { | |
3290 keys = skipwhite(keys + 8); | |
3291 unique = TRUE; | |
3292 continue; | |
3293 } | |
3294 break; | |
3295 } | |
3296 | |
3297 validate_maphash(); | |
3298 | |
3299 /* | |
3022 | 3300 * Find end of keys and skip CTRL-Vs (and backslashes) in it. |
7 | 3301 * Accept backslash like CTRL-V when 'cpoptions' does not contain 'B'. |
3022 | 3302 * with :unmap white space is included in the keys, no argument possible. |
7 | 3303 */ |
3304 p = keys; | |
3305 do_backslash = (vim_strchr(p_cpo, CPO_BSLASH) == NULL); | |
3306 while (*p && (maptype == 1 || !vim_iswhite(*p))) | |
3307 { | |
3308 if ((p[0] == Ctrl_V || (do_backslash && p[0] == '\\')) && | |
3309 p[1] != NUL) | |
3310 ++p; /* skip CTRL-V or backslash */ | |
3311 ++p; | |
3312 } | |
3313 if (*p != NUL) | |
3314 *p++ = NUL; | |
2610 | 3315 |
7 | 3316 p = skipwhite(p); |
3317 rhs = p; | |
3318 hasarg = (*rhs != NUL); | |
3319 haskey = (*keys != NUL); | |
3320 | |
3321 /* check for :unmap without argument */ | |
3322 if (maptype == 1 && !haskey) | |
3323 { | |
3324 retval = 1; | |
3325 goto theend; | |
3326 } | |
3327 | |
3328 /* | |
3329 * If mapping has been given as ^V<C_UP> say, then replace the term codes | |
3330 * with the appropriate two bytes. If it is a shifted special key, unshift | |
3331 * it too, giving another two bytes. | |
3332 * replace_termcodes() may move the result to allocated memory, which | |
3333 * needs to be freed later (*keys_buf and *arg_buf). | |
3334 * replace_termcodes() also removes CTRL-Vs and sometimes backslashes. | |
3335 */ | |
3336 if (haskey) | |
859 | 3337 keys = replace_termcodes(keys, &keys_buf, TRUE, TRUE, special); |
2623 | 3338 orig_rhs = rhs; |
7 | 3339 if (hasarg) |
3340 { | |
3341 if (STRICMP(rhs, "<nop>") == 0) /* "<Nop>" means nothing */ | |
3342 rhs = (char_u *)""; | |
3343 else | |
859 | 3344 rhs = replace_termcodes(rhs, &arg_buf, FALSE, TRUE, special); |
7 | 3345 } |
3346 | |
3347 #ifdef FEAT_FKMAP | |
3348 /* | |
2610 | 3349 * When in right-to-left mode and alternate keymap option set, |
7 | 3350 * reverse the character flow in the rhs in Farsi. |
3351 */ | |
3352 if (p_altkeymap && curwin->w_p_rl) | |
3353 lrswap(rhs); | |
3354 #endif | |
3355 | |
3356 /* | |
3357 * check arguments and translate function keys | |
3358 */ | |
3359 if (haskey) | |
3360 { | |
3361 len = (int)STRLEN(keys); | |
3362 if (len > MAXMAPLEN) /* maximum length of MAXMAPLEN chars */ | |
3363 { | |
3364 retval = 1; | |
3365 goto theend; | |
3366 } | |
3367 | |
3368 if (abbrev && maptype != 1) | |
3369 { | |
3370 /* | |
3371 * If an abbreviation ends in a keyword character, the | |
3372 * rest must be all keyword-char or all non-keyword-char. | |
3373 * Otherwise we won't be able to find the start of it in a | |
3374 * vi-compatible way. | |
3375 */ | |
3376 #ifdef FEAT_MBYTE | |
3377 if (has_mbyte) | |
3378 { | |
3379 int first, last; | |
3380 int same = -1; | |
3381 | |
3382 first = vim_iswordp(keys); | |
3383 last = first; | |
474 | 3384 p = keys + (*mb_ptr2len)(keys); |
7 | 3385 n = 1; |
3386 while (p < keys + len) | |
3387 { | |
3388 ++n; /* nr of (multi-byte) chars */ | |
3389 last = vim_iswordp(p); /* type of last char */ | |
3390 if (same == -1 && last != first) | |
3391 same = n - 1; /* count of same char type */ | |
474 | 3392 p += (*mb_ptr2len)(p); |
7 | 3393 } |
3394 if (last && n > 2 && same >= 0 && same < n - 1) | |
3395 { | |
3396 retval = 1; | |
3397 goto theend; | |
3398 } | |
3399 } | |
3400 else | |
3401 #endif | |
3402 if (vim_iswordc(keys[len - 1])) /* ends in keyword char */ | |
3403 for (n = 0; n < len - 2; ++n) | |
3404 if (vim_iswordc(keys[n]) != vim_iswordc(keys[len - 2])) | |
3405 { | |
3406 retval = 1; | |
3407 goto theend; | |
3408 } | |
1992 | 3409 /* An abbreviation cannot contain white space. */ |
7 | 3410 for (n = 0; n < len; ++n) |
3411 if (vim_iswhite(keys[n])) | |
3412 { | |
3413 retval = 1; | |
3414 goto theend; | |
3415 } | |
3416 } | |
3417 } | |
3418 | |
3419 if (haskey && hasarg && abbrev) /* if we will add an abbreviation */ | |
3420 no_abbr = FALSE; /* reset flag that indicates there are | |
3421 no abbreviations */ | |
3422 | |
3423 if (!haskey || (maptype != 1 && !hasarg)) | |
3424 msg_start(); | |
3425 | |
3426 #ifdef FEAT_LOCALMAP | |
3427 /* | |
3428 * Check if a new local mapping wasn't already defined globally. | |
3429 */ | |
3430 if (map_table == curbuf->b_maphash && haskey && hasarg && maptype != 1) | |
3431 { | |
3432 /* need to loop over all global hash lists */ | |
3433 for (hash = 0; hash < 256 && !got_int; ++hash) | |
3434 { | |
3435 if (abbrev) | |
3436 { | |
3437 if (hash != 0) /* there is only one abbreviation list */ | |
3438 break; | |
3439 mp = first_abbr; | |
3440 } | |
3441 else | |
3442 mp = maphash[hash]; | |
3443 for ( ; mp != NULL && !got_int; mp = mp->m_next) | |
3444 { | |
3445 /* check entries with the same mode */ | |
3446 if ((mp->m_mode & mode) != 0 | |
3447 && mp->m_keylen == len | |
3448 && unique | |
3449 && STRNCMP(mp->m_keys, keys, (size_t)len) == 0) | |
3450 { | |
3451 if (abbrev) | |
3452 EMSG2(_("E224: global abbreviation already exists for %s"), | |
3453 mp->m_keys); | |
3454 else | |
3455 EMSG2(_("E225: global mapping already exists for %s"), | |
3456 mp->m_keys); | |
3457 retval = 5; | |
3458 goto theend; | |
3459 } | |
3460 } | |
3461 } | |
3462 } | |
3463 | |
3464 /* | |
3465 * When listing global mappings, also list buffer-local ones here. | |
3466 */ | |
3467 if (map_table != curbuf->b_maphash && !hasarg && maptype != 1) | |
3468 { | |
3469 /* need to loop over all global hash lists */ | |
3470 for (hash = 0; hash < 256 && !got_int; ++hash) | |
3471 { | |
3472 if (abbrev) | |
3473 { | |
3474 if (hash != 0) /* there is only one abbreviation list */ | |
3475 break; | |
3476 mp = curbuf->b_first_abbr; | |
3477 } | |
3478 else | |
3479 mp = curbuf->b_maphash[hash]; | |
3480 for ( ; mp != NULL && !got_int; mp = mp->m_next) | |
3481 { | |
3482 /* check entries with the same mode */ | |
3483 if ((mp->m_mode & mode) != 0) | |
3484 { | |
3485 if (!haskey) /* show all entries */ | |
3486 { | |
3487 showmap(mp, TRUE); | |
3488 did_local = TRUE; | |
3489 } | |
3490 else | |
3491 { | |
3492 n = mp->m_keylen; | |
3493 if (STRNCMP(mp->m_keys, keys, | |
3494 (size_t)(n < len ? n : len)) == 0) | |
3495 { | |
3496 showmap(mp, TRUE); | |
3497 did_local = TRUE; | |
3498 } | |
3499 } | |
3500 } | |
3501 } | |
3502 } | |
3503 } | |
3504 #endif | |
3505 | |
3506 /* | |
3507 * Find an entry in the maphash[] list that matches. | |
3508 * For :unmap we may loop two times: once to try to unmap an entry with a | |
3509 * matching 'from' part, a second time, if the first fails, to unmap an | |
3510 * entry with a matching 'to' part. This was done to allow ":ab foo bar" | |
3511 * to be unmapped by typing ":unab foo", where "foo" will be replaced by | |
3512 * "bar" because of the abbreviation. | |
3513 */ | |
3514 for (round = 0; (round == 0 || maptype == 1) && round <= 1 | |
3515 && !did_it && !got_int; ++round) | |
3516 { | |
3517 /* need to loop over all hash lists */ | |
3518 for (hash = 0; hash < 256 && !got_int; ++hash) | |
3519 { | |
3520 if (abbrev) | |
3521 { | |
779 | 3522 if (hash > 0) /* there is only one abbreviation list */ |
7 | 3523 break; |
3524 mpp = abbr_table; | |
3525 } | |
3526 else | |
3527 mpp = &(map_table[hash]); | |
3528 for (mp = *mpp; mp != NULL && !got_int; mp = *mpp) | |
3529 { | |
3530 | |
3531 if (!(mp->m_mode & mode)) /* skip entries with wrong mode */ | |
3532 { | |
3533 mpp = &(mp->m_next); | |
3534 continue; | |
3535 } | |
3536 if (!haskey) /* show all entries */ | |
3537 { | |
3538 showmap(mp, map_table != maphash); | |
3539 did_it = TRUE; | |
3540 } | |
3541 else /* do we have a match? */ | |
3542 { | |
3543 if (round) /* second round: Try unmap "rhs" string */ | |
3544 { | |
3545 n = (int)STRLEN(mp->m_str); | |
3546 p = mp->m_str; | |
3547 } | |
3548 else | |
3549 { | |
3550 n = mp->m_keylen; | |
3551 p = mp->m_keys; | |
3552 } | |
3553 if (STRNCMP(p, keys, (size_t)(n < len ? n : len)) == 0) | |
3554 { | |
3555 if (maptype == 1) /* delete entry */ | |
3556 { | |
3557 /* Only accept a full match. For abbreviations we | |
3558 * ignore trailing space when matching with the | |
3559 * "lhs", since an abbreviation can't have | |
3560 * trailing space. */ | |
3561 if (n != len && (!abbrev || round || n > len | |
3562 || *skipwhite(keys + n) != NUL)) | |
3563 { | |
3564 mpp = &(mp->m_next); | |
3565 continue; | |
3566 } | |
3567 /* | |
3568 * We reset the indicated mode bits. If nothing is | |
3569 * left the entry is deleted below. | |
3570 */ | |
3571 mp->m_mode &= ~mode; | |
3572 did_it = TRUE; /* remember we did something */ | |
3573 } | |
3574 else if (!hasarg) /* show matching entry */ | |
3575 { | |
3576 showmap(mp, map_table != maphash); | |
3577 did_it = TRUE; | |
3578 } | |
1187 | 3579 else if (n != len) /* new entry is ambiguous */ |
7 | 3580 { |
3581 mpp = &(mp->m_next); | |
3582 continue; | |
3583 } | |
3584 else if (unique) | |
3585 { | |
3586 if (abbrev) | |
3587 EMSG2(_("E226: abbreviation already exists for %s"), | |
3588 p); | |
3589 else | |
3590 EMSG2(_("E227: mapping already exists for %s"), p); | |
3591 retval = 5; | |
3592 goto theend; | |
3593 } | |
3594 else /* new rhs for existing entry */ | |
3595 { | |
3596 mp->m_mode &= ~mode; /* remove mode bits */ | |
3597 if (mp->m_mode == 0 && !did_it) /* reuse entry */ | |
3598 { | |
3599 newstr = vim_strsave(rhs); | |
3600 if (newstr == NULL) | |
3601 { | |
3602 retval = 4; /* no mem */ | |
3603 goto theend; | |
3604 } | |
3605 vim_free(mp->m_str); | |
3606 mp->m_str = newstr; | |
2610 | 3607 vim_free(mp->m_orig_str); |
3608 mp->m_orig_str = vim_strsave(orig_rhs); | |
7 | 3609 mp->m_noremap = noremap; |
3610 mp->m_silent = silent; | |
3611 mp->m_mode = mode; | |
481 | 3612 #ifdef FEAT_EVAL |
721 | 3613 mp->m_expr = expr; |
481 | 3614 mp->m_script_ID = current_SID; |
3615 #endif | |
7 | 3616 did_it = TRUE; |
3617 } | |
3618 } | |
3619 if (mp->m_mode == 0) /* entry can be deleted */ | |
3620 { | |
3621 map_free(mpp); | |
3622 continue; /* continue with *mpp */ | |
3623 } | |
3624 | |
3625 /* | |
3626 * May need to put this entry into another hash list. | |
3627 */ | |
3628 new_hash = MAP_HASH(mp->m_mode, mp->m_keys[0]); | |
3629 if (!abbrev && new_hash != hash) | |
3630 { | |
3631 *mpp = mp->m_next; | |
3632 mp->m_next = map_table[new_hash]; | |
3633 map_table[new_hash] = mp; | |
3634 | |
3635 continue; /* continue with *mpp */ | |
3636 } | |
3637 } | |
3638 } | |
3639 mpp = &(mp->m_next); | |
3640 } | |
3641 } | |
3642 } | |
3643 | |
3644 if (maptype == 1) /* delete entry */ | |
3645 { | |
3646 if (!did_it) | |
3647 retval = 2; /* no match */ | |
3648 goto theend; | |
3649 } | |
3650 | |
3651 if (!haskey || !hasarg) /* print entries */ | |
3652 { | |
3653 if (!did_it | |
3654 #ifdef FEAT_LOCALMAP | |
3655 && !did_local | |
3656 #endif | |
3657 ) | |
3658 { | |
3659 if (abbrev) | |
3660 MSG(_("No abbreviation found")); | |
3661 else | |
3662 MSG(_("No mapping found")); | |
3663 } | |
3664 goto theend; /* listing finished */ | |
3665 } | |
3666 | |
3667 if (did_it) /* have added the new entry already */ | |
3668 goto theend; | |
3669 | |
3670 /* | |
3671 * Get here when adding a new entry to the maphash[] list or abbrlist. | |
3672 */ | |
3673 mp = (mapblock_T *)alloc((unsigned)sizeof(mapblock_T)); | |
3674 if (mp == NULL) | |
3675 { | |
3676 retval = 4; /* no mem */ | |
3677 goto theend; | |
3678 } | |
3679 | |
3680 /* If CTRL-C has been mapped, don't always use it for Interrupting */ | |
3681 if (*keys == Ctrl_C) | |
3682 mapped_ctrl_c = TRUE; | |
3683 | |
3684 mp->m_keys = vim_strsave(keys); | |
3685 mp->m_str = vim_strsave(rhs); | |
2610 | 3686 mp->m_orig_str = vim_strsave(orig_rhs); |
7 | 3687 if (mp->m_keys == NULL || mp->m_str == NULL) |
3688 { | |
3689 vim_free(mp->m_keys); | |
3690 vim_free(mp->m_str); | |
2610 | 3691 vim_free(mp->m_orig_str); |
7 | 3692 vim_free(mp); |
3693 retval = 4; /* no mem */ | |
3694 goto theend; | |
3695 } | |
3696 mp->m_keylen = (int)STRLEN(mp->m_keys); | |
3697 mp->m_noremap = noremap; | |
3698 mp->m_silent = silent; | |
3699 mp->m_mode = mode; | |
481 | 3700 #ifdef FEAT_EVAL |
721 | 3701 mp->m_expr = expr; |
481 | 3702 mp->m_script_ID = current_SID; |
3703 #endif | |
7 | 3704 |
3705 /* add the new entry in front of the abbrlist or maphash[] list */ | |
3706 if (abbrev) | |
3707 { | |
3708 mp->m_next = *abbr_table; | |
3709 *abbr_table = mp; | |
3710 } | |
3711 else | |
3712 { | |
3713 n = MAP_HASH(mp->m_mode, mp->m_keys[0]); | |
3714 mp->m_next = map_table[n]; | |
3715 map_table[n] = mp; | |
3716 } | |
3717 | |
3718 theend: | |
3719 vim_free(keys_buf); | |
3720 vim_free(arg_buf); | |
3721 return retval; | |
3722 } | |
3723 | |
3724 /* | |
3725 * Delete one entry from the abbrlist or maphash[]. | |
3726 * "mpp" is a pointer to the m_next field of the PREVIOUS entry! | |
3727 */ | |
3728 static void | |
3729 map_free(mpp) | |
3730 mapblock_T **mpp; | |
3731 { | |
3732 mapblock_T *mp; | |
3733 | |
3734 mp = *mpp; | |
3735 vim_free(mp->m_keys); | |
3736 vim_free(mp->m_str); | |
2610 | 3737 vim_free(mp->m_orig_str); |
7 | 3738 *mpp = mp->m_next; |
3739 vim_free(mp); | |
3740 } | |
3741 | |
3742 /* | |
3743 * Initialize maphash[] for first use. | |
3744 */ | |
3745 static void | |
3746 validate_maphash() | |
3747 { | |
3748 if (!maphash_valid) | |
3749 { | |
3750 vim_memset(maphash, 0, sizeof(maphash)); | |
3751 maphash_valid = TRUE; | |
3752 } | |
3753 } | |
3754 | |
3755 /* | |
3756 * Get the mapping mode from the command name. | |
3757 */ | |
3758 int | |
3759 get_map_mode(cmdp, forceit) | |
3760 char_u **cmdp; | |
3761 int forceit; | |
3762 { | |
3763 char_u *p; | |
3764 int modec; | |
3765 int mode; | |
3766 | |
3767 p = *cmdp; | |
3768 modec = *p++; | |
3769 if (modec == 'i') | |
3770 mode = INSERT; /* :imap */ | |
3771 else if (modec == 'l') | |
3772 mode = LANGMAP; /* :lmap */ | |
3773 else if (modec == 'c') | |
3774 mode = CMDLINE; /* :cmap */ | |
3775 else if (modec == 'n' && *p != 'o') /* avoid :noremap */ | |
3776 mode = NORMAL; /* :nmap */ | |
3777 else if (modec == 'v') | |
788 | 3778 mode = VISUAL + SELECTMODE; /* :vmap */ |
3779 else if (modec == 'x') | |
3780 mode = VISUAL; /* :xmap */ | |
3781 else if (modec == 's') | |
3782 mode = SELECTMODE; /* :smap */ | |
7 | 3783 else if (modec == 'o') |
3784 mode = OP_PENDING; /* :omap */ | |
3785 else | |
3786 { | |
3787 --p; | |
3788 if (forceit) | |
3789 mode = INSERT + CMDLINE; /* :map ! */ | |
3790 else | |
788 | 3791 mode = VISUAL + SELECTMODE + NORMAL + OP_PENDING;/* :map */ |
7 | 3792 } |
3793 | |
3794 *cmdp = p; | |
3795 return mode; | |
3796 } | |
3797 | |
3798 /* | |
3799 * Clear all mappings or abbreviations. | |
3800 * 'abbr' should be FALSE for mappings, TRUE for abbreviations. | |
3801 */ | |
3802 void | |
3803 map_clear(cmdp, arg, forceit, abbr) | |
3804 char_u *cmdp; | |
1933 | 3805 char_u *arg UNUSED; |
7 | 3806 int forceit; |
3807 int abbr; | |
3808 { | |
3809 int mode; | |
3810 #ifdef FEAT_LOCALMAP | |
3811 int local; | |
3812 | |
3813 local = (STRCMP(arg, "<buffer>") == 0); | |
3814 if (!local && *arg != NUL) | |
3815 { | |
3816 EMSG(_(e_invarg)); | |
3817 return; | |
3818 } | |
3819 #endif | |
3820 | |
3821 mode = get_map_mode(&cmdp, forceit); | |
3822 map_clear_int(curbuf, mode, | |
3823 #ifdef FEAT_LOCALMAP | |
3824 local, | |
3825 #else | |
3826 FALSE, | |
3827 #endif | |
3828 abbr); | |
3829 } | |
3830 | |
3831 /* | |
3832 * Clear all mappings in "mode". | |
3833 */ | |
3834 void | |
3835 map_clear_int(buf, mode, local, abbr) | |
1933 | 3836 buf_T *buf UNUSED; /* buffer for local mappings */ |
3837 int mode; /* mode in which to delete */ | |
3838 int local UNUSED; /* TRUE for buffer-local mappings */ | |
3839 int abbr; /* TRUE for abbreviations */ | |
7 | 3840 { |
3841 mapblock_T *mp, **mpp; | |
3842 int hash; | |
3843 int new_hash; | |
3844 | |
3845 validate_maphash(); | |
3846 | |
3847 for (hash = 0; hash < 256; ++hash) | |
3848 { | |
3849 if (abbr) | |
3850 { | |
779 | 3851 if (hash > 0) /* there is only one abbrlist */ |
7 | 3852 break; |
3853 #ifdef FEAT_LOCALMAP | |
3854 if (local) | |
3855 mpp = &buf->b_first_abbr; | |
3856 else | |
3857 #endif | |
3858 mpp = &first_abbr; | |
3859 } | |
3860 else | |
3861 { | |
3862 #ifdef FEAT_LOCALMAP | |
3863 if (local) | |
3864 mpp = &buf->b_maphash[hash]; | |
3865 else | |
3866 #endif | |
3867 mpp = &maphash[hash]; | |
3868 } | |
3869 while (*mpp != NULL) | |
3870 { | |
3871 mp = *mpp; | |
3872 if (mp->m_mode & mode) | |
3873 { | |
3874 mp->m_mode &= ~mode; | |
3875 if (mp->m_mode == 0) /* entry can be deleted */ | |
3876 { | |
3877 map_free(mpp); | |
3878 continue; | |
3879 } | |
3880 /* | |
3881 * May need to put this entry into another hash list. | |
3882 */ | |
3883 new_hash = MAP_HASH(mp->m_mode, mp->m_keys[0]); | |
3884 if (!abbr && new_hash != hash) | |
3885 { | |
3886 *mpp = mp->m_next; | |
3887 #ifdef FEAT_LOCALMAP | |
3888 if (local) | |
3889 { | |
3890 mp->m_next = buf->b_maphash[new_hash]; | |
3891 buf->b_maphash[new_hash] = mp; | |
3892 } | |
3893 else | |
3894 #endif | |
3895 { | |
3896 mp->m_next = maphash[new_hash]; | |
3897 maphash[new_hash] = mp; | |
3898 } | |
3899 continue; /* continue with *mpp */ | |
3900 } | |
3901 } | |
3902 mpp = &(mp->m_next); | |
3903 } | |
3904 } | |
3905 } | |
3906 | |
2610 | 3907 /* |
3908 * Return characters to represent the map mode in an allocated string. | |
3909 * Returns NULL when out of memory. | |
3910 */ | |
3911 char_u * | |
3912 map_mode_to_chars(mode) | |
3913 int mode; | |
3914 { | |
3915 garray_T mapmode; | |
3916 | |
3917 ga_init2(&mapmode, 1, 7); | |
3918 | |
3919 if ((mode & (INSERT + CMDLINE)) == INSERT + CMDLINE) | |
3920 ga_append(&mapmode, '!'); /* :map! */ | |
3921 else if (mode & INSERT) | |
3922 ga_append(&mapmode, 'i'); /* :imap */ | |
3923 else if (mode & LANGMAP) | |
3924 ga_append(&mapmode, 'l'); /* :lmap */ | |
3925 else if (mode & CMDLINE) | |
3926 ga_append(&mapmode, 'c'); /* :cmap */ | |
3927 else if ((mode & (NORMAL + VISUAL + SELECTMODE + OP_PENDING)) | |
3928 == NORMAL + VISUAL + SELECTMODE + OP_PENDING) | |
3929 ga_append(&mapmode, ' '); /* :map */ | |
3930 else | |
3931 { | |
3932 if (mode & NORMAL) | |
3933 ga_append(&mapmode, 'n'); /* :nmap */ | |
3934 if (mode & OP_PENDING) | |
3935 ga_append(&mapmode, 'o'); /* :omap */ | |
3936 if ((mode & (VISUAL + SELECTMODE)) == VISUAL + SELECTMODE) | |
3937 ga_append(&mapmode, 'v'); /* :vmap */ | |
3938 else | |
3939 { | |
3940 if (mode & VISUAL) | |
3941 ga_append(&mapmode, 'x'); /* :xmap */ | |
3942 if (mode & SELECTMODE) | |
3943 ga_append(&mapmode, 's'); /* :smap */ | |
3944 } | |
3945 } | |
3946 | |
3947 ga_append(&mapmode, NUL); | |
3948 return (char_u *)mapmode.ga_data; | |
3949 } | |
3950 | |
7 | 3951 static void |
3952 showmap(mp, local) | |
3953 mapblock_T *mp; | |
3954 int local; /* TRUE for buffer-local map */ | |
3955 { | |
2610 | 3956 int len = 1; |
3957 char_u *mapchars; | |
7 | 3958 |
3959 if (msg_didout || msg_silent != 0) | |
1825 | 3960 { |
7 | 3961 msg_putchar('\n'); |
1825 | 3962 if (got_int) /* 'q' typed at MORE prompt */ |
3963 return; | |
3964 } | |
2610 | 3965 |
3966 mapchars = map_mode_to_chars(mp->m_mode); | |
3967 if (mapchars != NULL) | |
7 | 3968 { |
2610 | 3969 msg_puts(mapchars); |
2615 | 3970 len = (int)STRLEN(mapchars); |
2610 | 3971 vim_free(mapchars); |
7 | 3972 } |
2610 | 3973 |
7 | 3974 while (++len <= 3) |
3975 msg_putchar(' '); | |
3976 | |
1618 | 3977 /* Display the LHS. Get length of what we write. */ |
7 | 3978 len = msg_outtrans_special(mp->m_keys, TRUE); |
3979 do | |
3980 { | |
3981 msg_putchar(' '); /* padd with blanks */ | |
3982 ++len; | |
3983 } while (len < 12); | |
3984 | |
3985 if (mp->m_noremap == REMAP_NONE) | |
3986 msg_puts_attr((char_u *)"*", hl_attr(HLF_8)); | |
3987 else if (mp->m_noremap == REMAP_SCRIPT) | |
3988 msg_puts_attr((char_u *)"&", hl_attr(HLF_8)); | |
3989 else | |
3990 msg_putchar(' '); | |
3991 | |
3992 if (local) | |
3993 msg_putchar('@'); | |
3994 else | |
3995 msg_putchar(' '); | |
3996 | |
3997 /* Use FALSE below if we only want things like <Up> to show up as such on | |
2610 | 3998 * the rhs, and not M-x etc, TRUE gets both -- webb */ |
7 | 3999 if (*mp->m_str == NUL) |
4000 msg_puts_attr((char_u *)"<Nop>", hl_attr(HLF_8)); | |
4001 else | |
3024 | 4002 { |
4003 /* Remove escaping of CSI, because "m_str" is in a format to be used | |
4004 * as typeahead. */ | |
4005 char_u *s = vim_strsave(mp->m_str); | |
4006 if (s != NULL) | |
4007 { | |
4008 vim_unescape_csi(s); | |
4009 msg_outtrans_special(s, FALSE); | |
4010 vim_free(s); | |
4011 } | |
4012 } | |
481 | 4013 #ifdef FEAT_EVAL |
4014 if (p_verbose > 0) | |
4015 last_set_msg(mp->m_script_ID); | |
4016 #endif | |
7 | 4017 out_flush(); /* show one line at a time */ |
4018 } | |
4019 | |
4020 #if defined(FEAT_EVAL) || defined(PROTO) | |
4021 /* | |
4022 * Return TRUE if a map exists that has "str" in the rhs for mode "modechars". | |
4023 * Recognize termcap codes in "str". | |
4024 * Also checks mappings local to the current buffer. | |
4025 */ | |
4026 int | |
779 | 4027 map_to_exists(str, modechars, abbr) |
7 | 4028 char_u *str; |
4029 char_u *modechars; | |
779 | 4030 int abbr; |
7 | 4031 { |
4032 int mode = 0; | |
4033 char_u *rhs; | |
4034 char_u *buf; | |
4035 int retval; | |
4036 | |
859 | 4037 rhs = replace_termcodes(str, &buf, FALSE, TRUE, FALSE); |
7 | 4038 |
4039 if (vim_strchr(modechars, 'n') != NULL) | |
4040 mode |= NORMAL; | |
4041 if (vim_strchr(modechars, 'v') != NULL) | |
788 | 4042 mode |= VISUAL + SELECTMODE; |
4043 if (vim_strchr(modechars, 'x') != NULL) | |
7 | 4044 mode |= VISUAL; |
788 | 4045 if (vim_strchr(modechars, 's') != NULL) |
4046 mode |= SELECTMODE; | |
7 | 4047 if (vim_strchr(modechars, 'o') != NULL) |
4048 mode |= OP_PENDING; | |
4049 if (vim_strchr(modechars, 'i') != NULL) | |
4050 mode |= INSERT; | |
4051 if (vim_strchr(modechars, 'l') != NULL) | |
4052 mode |= LANGMAP; | |
4053 if (vim_strchr(modechars, 'c') != NULL) | |
4054 mode |= CMDLINE; | |
4055 | |
779 | 4056 retval = map_to_exists_mode(rhs, mode, abbr); |
7 | 4057 vim_free(buf); |
4058 | |
4059 return retval; | |
4060 } | |
4061 #endif | |
4062 | |
4063 /* | |
4064 * Return TRUE if a map exists that has "str" in the rhs for mode "mode". | |
4065 * Also checks mappings local to the current buffer. | |
4066 */ | |
4067 int | |
779 | 4068 map_to_exists_mode(rhs, mode, abbr) |
7 | 4069 char_u *rhs; |
4070 int mode; | |
779 | 4071 int abbr; |
7 | 4072 { |
4073 mapblock_T *mp; | |
4074 int hash; | |
4075 # ifdef FEAT_LOCALMAP | |
4076 int expand_buffer = FALSE; | |
4077 | |
4078 validate_maphash(); | |
4079 | |
4080 /* Do it twice: once for global maps and once for local maps. */ | |
4081 for (;;) | |
4082 { | |
4083 # endif | |
4084 for (hash = 0; hash < 256; ++hash) | |
4085 { | |
779 | 4086 if (abbr) |
4087 { | |
4088 if (hash > 0) /* there is only one abbr list */ | |
4089 break; | |
4090 #ifdef FEAT_LOCALMAP | |
4091 if (expand_buffer) | |
4092 mp = curbuf->b_first_abbr; | |
4093 else | |
4094 #endif | |
4095 mp = first_abbr; | |
4096 } | |
7 | 4097 # ifdef FEAT_LOCALMAP |
779 | 4098 else if (expand_buffer) |
7 | 4099 mp = curbuf->b_maphash[hash]; |
779 | 4100 # endif |
7 | 4101 else |
4102 mp = maphash[hash]; | |
4103 for (; mp; mp = mp->m_next) | |
4104 { | |
4105 if ((mp->m_mode & mode) | |
4106 && strstr((char *)mp->m_str, (char *)rhs) != NULL) | |
4107 return TRUE; | |
4108 } | |
4109 } | |
4110 # ifdef FEAT_LOCALMAP | |
4111 if (expand_buffer) | |
4112 break; | |
4113 expand_buffer = TRUE; | |
4114 } | |
4115 # endif | |
4116 | |
4117 return FALSE; | |
4118 } | |
4119 | |
4120 #if defined(FEAT_CMDL_COMPL) || defined(PROTO) | |
4121 /* | |
4122 * Used below when expanding mapping/abbreviation names. | |
4123 */ | |
4124 static int expand_mapmodes = 0; | |
4125 static int expand_isabbrev = 0; | |
4126 #ifdef FEAT_LOCALMAP | |
4127 static int expand_buffer = FALSE; | |
4128 #endif | |
4129 | |
4130 /* | |
4131 * Work out what to complete when doing command line completion of mapping | |
4132 * or abbreviation names. | |
4133 */ | |
4134 char_u * | |
4135 set_context_in_map_cmd(xp, cmd, arg, forceit, isabbrev, isunmap, cmdidx) | |
4136 expand_T *xp; | |
4137 char_u *cmd; | |
4138 char_u *arg; | |
4139 int forceit; /* TRUE if '!' given */ | |
4140 int isabbrev; /* TRUE if abbreviation */ | |
4141 int isunmap; /* TRUE if unmap/unabbrev command */ | |
4142 cmdidx_T cmdidx; | |
4143 { | |
4144 if (forceit && cmdidx != CMD_map && cmdidx != CMD_unmap) | |
4145 xp->xp_context = EXPAND_NOTHING; | |
4146 else | |
4147 { | |
4148 if (isunmap) | |
4149 expand_mapmodes = get_map_mode(&cmd, forceit || isabbrev); | |
4150 else | |
4151 { | |
4152 expand_mapmodes = INSERT + CMDLINE; | |
4153 if (!isabbrev) | |
788 | 4154 expand_mapmodes += VISUAL + SELECTMODE + NORMAL + OP_PENDING; |
7 | 4155 } |
4156 expand_isabbrev = isabbrev; | |
4157 xp->xp_context = EXPAND_MAPPINGS; | |
4158 #ifdef FEAT_LOCALMAP | |
4159 expand_buffer = FALSE; | |
4160 #endif | |
4161 for (;;) | |
4162 { | |
4163 #ifdef FEAT_LOCALMAP | |
4164 if (STRNCMP(arg, "<buffer>", 8) == 0) | |
4165 { | |
4166 expand_buffer = TRUE; | |
4167 arg = skipwhite(arg + 8); | |
4168 continue; | |
4169 } | |
4170 #endif | |
4171 if (STRNCMP(arg, "<unique>", 8) == 0) | |
4172 { | |
4173 arg = skipwhite(arg + 8); | |
4174 continue; | |
4175 } | |
4176 if (STRNCMP(arg, "<silent>", 8) == 0) | |
4177 { | |
4178 arg = skipwhite(arg + 8); | |
4179 continue; | |
4180 } | |
721 | 4181 #ifdef FEAT_EVAL |
7 | 4182 if (STRNCMP(arg, "<script>", 8) == 0) |
4183 { | |
4184 arg = skipwhite(arg + 8); | |
4185 continue; | |
4186 } | |
721 | 4187 if (STRNCMP(arg, "<expr>", 6) == 0) |
4188 { | |
4189 arg = skipwhite(arg + 6); | |
4190 continue; | |
4191 } | |
4192 #endif | |
7 | 4193 break; |
4194 } | |
4195 xp->xp_pattern = arg; | |
4196 } | |
4197 | |
4198 return NULL; | |
4199 } | |
4200 | |
4201 /* | |
4202 * Find all mapping/abbreviation names that match regexp 'prog'. | |
4203 * For command line expansion of ":[un]map" and ":[un]abbrev" in all modes. | |
4204 * Return OK if matches found, FAIL otherwise. | |
4205 */ | |
4206 int | |
4207 ExpandMappings(regmatch, num_file, file) | |
4208 regmatch_T *regmatch; | |
4209 int *num_file; | |
4210 char_u ***file; | |
4211 { | |
4212 mapblock_T *mp; | |
4213 int hash; | |
4214 int count; | |
4215 int round; | |
4216 char_u *p; | |
4217 int i; | |
4218 | |
4219 validate_maphash(); | |
4220 | |
4221 *num_file = 0; /* return values in case of FAIL */ | |
4222 *file = NULL; | |
4223 | |
4224 /* | |
4225 * round == 1: Count the matches. | |
4226 * round == 2: Build the array to keep the matches. | |
4227 */ | |
4228 for (round = 1; round <= 2; ++round) | |
4229 { | |
4230 count = 0; | |
4231 | |
721 | 4232 for (i = 0; i < 5; ++i) |
7 | 4233 { |
4234 if (i == 0) | |
4235 p = (char_u *)"<silent>"; | |
4236 else if (i == 1) | |
4237 p = (char_u *)"<unique>"; | |
4238 #ifdef FEAT_EVAL | |
4239 else if (i == 2) | |
4240 p = (char_u *)"<script>"; | |
721 | 4241 else if (i == 3) |
4242 p = (char_u *)"<expr>"; | |
7 | 4243 #endif |
4244 #ifdef FEAT_LOCALMAP | |
721 | 4245 else if (i == 4 && !expand_buffer) |
7 | 4246 p = (char_u *)"<buffer>"; |
4247 #endif | |
4248 else | |
4249 continue; | |
4250 | |
4251 if (vim_regexec(regmatch, p, (colnr_T)0)) | |
4252 { | |
4253 if (round == 1) | |
4254 ++count; | |
4255 else | |
4256 (*file)[count++] = vim_strsave(p); | |
4257 } | |
4258 } | |
4259 | |
4260 for (hash = 0; hash < 256; ++hash) | |
4261 { | |
4262 if (expand_isabbrev) | |
4263 { | |
779 | 4264 if (hash > 0) /* only one abbrev list */ |
7 | 4265 break; /* for (hash) */ |
4266 mp = first_abbr; | |
4267 } | |
4268 #ifdef FEAT_LOCALMAP | |
4269 else if (expand_buffer) | |
4270 mp = curbuf->b_maphash[hash]; | |
4271 #endif | |
4272 else | |
4273 mp = maphash[hash]; | |
4274 for (; mp; mp = mp->m_next) | |
4275 { | |
4276 if (mp->m_mode & expand_mapmodes) | |
4277 { | |
4278 p = translate_mapping(mp->m_keys, TRUE); | |
4279 if (p != NULL && vim_regexec(regmatch, p, (colnr_T)0)) | |
4280 { | |
4281 if (round == 1) | |
4282 ++count; | |
4283 else | |
4284 { | |
4285 (*file)[count++] = p; | |
4286 p = NULL; | |
4287 } | |
4288 } | |
4289 vim_free(p); | |
4290 } | |
4291 } /* for (mp) */ | |
4292 } /* for (hash) */ | |
4293 | |
4294 if (count == 0) /* no match found */ | |
4295 break; /* for (round) */ | |
4296 | |
4297 if (round == 1) | |
4298 { | |
4299 *file = (char_u **)alloc((unsigned)(count * sizeof(char_u *))); | |
4300 if (*file == NULL) | |
4301 return FAIL; | |
4302 } | |
4303 } /* for (round) */ | |
4304 | |
840 | 4305 if (count > 1) |
7 | 4306 { |
840 | 4307 char_u **ptr1; |
4308 char_u **ptr2; | |
4309 char_u **ptr3; | |
4310 | |
4311 /* Sort the matches */ | |
4312 sort_strings(*file, count); | |
4313 | |
4314 /* Remove multiple entries */ | |
4315 ptr1 = *file; | |
4316 ptr2 = ptr1 + 1; | |
4317 ptr3 = ptr1 + count; | |
7 | 4318 |
4319 while (ptr2 < ptr3) | |
4320 { | |
4321 if (STRCMP(*ptr1, *ptr2)) | |
4322 *++ptr1 = *ptr2++; | |
4323 else | |
4324 { | |
4325 vim_free(*ptr2++); | |
4326 count--; | |
4327 } | |
4328 } | |
4329 } | |
4330 | |
4331 *num_file = count; | |
4332 return (count == 0 ? FAIL : OK); | |
4333 } | |
4334 #endif /* FEAT_CMDL_COMPL */ | |
4335 | |
4336 /* | |
4337 * Check for an abbreviation. | |
4338 * Cursor is at ptr[col]. When inserting, mincol is where insert started. | |
4339 * "c" is the character typed before check_abbr was called. It may have | |
4340 * ABBR_OFF added to avoid prepending a CTRL-V to it. | |
4341 * | |
4342 * Historic vi practice: The last character of an abbreviation must be an id | |
4343 * character ([a-zA-Z0-9_]). The characters in front of it must be all id | |
4344 * characters or all non-id characters. This allows for abbr. "#i" to | |
4345 * "#include". | |
4346 * | |
4347 * Vim addition: Allow for abbreviations that end in a non-keyword character. | |
4348 * Then there must be white space before the abbr. | |
4349 * | |
4350 * return TRUE if there is an abbreviation, FALSE if not | |
4351 */ | |
4352 int | |
4353 check_abbr(c, ptr, col, mincol) | |
4354 int c; | |
4355 char_u *ptr; | |
4356 int col; | |
4357 int mincol; | |
4358 { | |
4359 int len; | |
4360 int scol; /* starting column of the abbr. */ | |
4361 int j; | |
721 | 4362 char_u *s; |
7 | 4363 char_u tb[MB_MAXBYTES + 4]; |
4364 mapblock_T *mp; | |
4365 #ifdef FEAT_LOCALMAP | |
4366 mapblock_T *mp2; | |
4367 #endif | |
4368 #ifdef FEAT_MBYTE | |
4369 int clen = 0; /* length in characters */ | |
4370 #endif | |
4371 int is_id = TRUE; | |
4372 int vim_abbr; | |
4373 | |
4374 if (typebuf.tb_no_abbr_cnt) /* abbrev. are not recursive */ | |
4375 return FALSE; | |
3448 | 4376 |
4377 /* no remapping implies no abbreviation, except for CTRL-] */ | |
4378 if ((KeyNoremap & (RM_NONE|RM_SCRIPT)) != 0 && c != Ctrl_RSB) | |
7 | 4379 return FALSE; |
4380 | |
4381 /* | |
4382 * Check for word before the cursor: If it ends in a keyword char all | |
1992 | 4383 * chars before it must be keyword chars or non-keyword chars, but not |
7 | 4384 * white space. If it ends in a non-keyword char we accept any characters |
4385 * before it except white space. | |
4386 */ | |
4387 if (col == 0) /* cannot be an abbr. */ | |
4388 return FALSE; | |
4389 | |
4390 #ifdef FEAT_MBYTE | |
4391 if (has_mbyte) | |
4392 { | |
4393 char_u *p; | |
4394 | |
4395 p = mb_prevptr(ptr, ptr + col); | |
4396 if (!vim_iswordp(p)) | |
4397 vim_abbr = TRUE; /* Vim added abbr. */ | |
4398 else | |
4399 { | |
4400 vim_abbr = FALSE; /* vi compatible abbr. */ | |
4401 if (p > ptr) | |
4402 is_id = vim_iswordp(mb_prevptr(ptr, p)); | |
4403 } | |
4404 clen = 1; | |
4405 while (p > ptr + mincol) | |
4406 { | |
4407 p = mb_prevptr(ptr, p); | |
4408 if (vim_isspace(*p) || (!vim_abbr && is_id != vim_iswordp(p))) | |
4409 { | |
474 | 4410 p += (*mb_ptr2len)(p); |
7 | 4411 break; |
4412 } | |
4413 ++clen; | |
4414 } | |
4415 scol = (int)(p - ptr); | |
4416 } | |
4417 else | |
4418 #endif | |
4419 { | |
4420 if (!vim_iswordc(ptr[col - 1])) | |
4421 vim_abbr = TRUE; /* Vim added abbr. */ | |
4422 else | |
4423 { | |
4424 vim_abbr = FALSE; /* vi compatible abbr. */ | |
4425 if (col > 1) | |
4426 is_id = vim_iswordc(ptr[col - 2]); | |
4427 } | |
4428 for (scol = col - 1; scol > 0 && !vim_isspace(ptr[scol - 1]) | |
4429 && (vim_abbr || is_id == vim_iswordc(ptr[scol - 1])); --scol) | |
4430 ; | |
4431 } | |
4432 | |
4433 if (scol < mincol) | |
4434 scol = mincol; | |
4435 if (scol < col) /* there is a word in front of the cursor */ | |
4436 { | |
4437 ptr += scol; | |
4438 len = col - scol; | |
4439 #ifdef FEAT_LOCALMAP | |
4440 mp = curbuf->b_first_abbr; | |
4441 mp2 = first_abbr; | |
4442 if (mp == NULL) | |
4443 { | |
4444 mp = mp2; | |
4445 mp2 = NULL; | |
4446 } | |
4447 #else | |
4448 mp = first_abbr; | |
4449 #endif | |
4450 for ( ; mp; | |
4451 #ifdef FEAT_LOCALMAP | |
4452 mp->m_next == NULL ? (mp = mp2, mp2 = NULL) : | |
4453 #endif | |
4454 (mp = mp->m_next)) | |
4455 { | |
4456 /* find entries with right mode and keys */ | |
4457 if ( (mp->m_mode & State) | |
4458 && mp->m_keylen == len | |
4459 && !STRNCMP(mp->m_keys, ptr, (size_t)len)) | |
4460 break; | |
4461 } | |
4462 if (mp != NULL) | |
4463 { | |
4464 /* | |
4465 * Found a match: | |
4466 * Insert the rest of the abbreviation in typebuf.tb_buf[]. | |
4467 * This goes from end to start. | |
4468 * | |
4469 * Characters 0x000 - 0x100: normal chars, may need CTRL-V, | |
4470 * except K_SPECIAL: Becomes K_SPECIAL KS_SPECIAL KE_FILLER | |
4471 * Characters where IS_SPECIAL() == TRUE: key codes, need | |
4472 * K_SPECIAL. Other characters (with ABBR_OFF): don't use CTRL-V. | |
4473 * | |
4474 * Character CTRL-] is treated specially - it completes the | |
4475 * abbreviation, but is not inserted into the input stream. | |
4476 */ | |
4477 j = 0; | |
4478 if (c != Ctrl_RSB) | |
4479 { | |
1969 | 4480 /* special key code, split up */ |
7 | 4481 if (IS_SPECIAL(c) || c == K_SPECIAL) |
4482 { | |
4483 tb[j++] = K_SPECIAL; | |
4484 tb[j++] = K_SECOND(c); | |
4485 tb[j++] = K_THIRD(c); | |
4486 } | |
4487 else | |
4488 { | |
4489 if (c < ABBR_OFF && (c < ' ' || c > '~')) | |
4490 tb[j++] = Ctrl_V; /* special char needs CTRL-V */ | |
4491 #ifdef FEAT_MBYTE | |
4492 if (has_mbyte) | |
4493 { | |
4494 /* if ABBR_OFF has been added, remove it here */ | |
4495 if (c >= ABBR_OFF) | |
4496 c -= ABBR_OFF; | |
4497 j += (*mb_char2bytes)(c, tb + j); | |
4498 } | |
4499 else | |
4500 #endif | |
4501 tb[j++] = c; | |
4502 } | |
4503 tb[j] = NUL; | |
4504 /* insert the last typed char */ | |
4505 (void)ins_typebuf(tb, 1, 0, TRUE, mp->m_silent); | |
4506 } | |
721 | 4507 #ifdef FEAT_EVAL |
4508 if (mp->m_expr) | |
1969 | 4509 s = eval_map_expr(mp->m_str, c); |
721 | 4510 else |
4511 #endif | |
4512 s = mp->m_str; | |
4513 if (s != NULL) | |
4514 { | |
7 | 4515 /* insert the to string */ |
721 | 4516 (void)ins_typebuf(s, mp->m_noremap, 0, TRUE, mp->m_silent); |
7 | 4517 /* no abbrev. for these chars */ |
721 | 4518 typebuf.tb_no_abbr_cnt += (int)STRLEN(s) + j + 1; |
4519 #ifdef FEAT_EVAL | |
4520 if (mp->m_expr) | |
4521 vim_free(s); | |
4522 #endif | |
4523 } | |
7 | 4524 |
4525 tb[0] = Ctrl_H; | |
4526 tb[1] = NUL; | |
4527 #ifdef FEAT_MBYTE | |
4528 if (has_mbyte) | |
4529 len = clen; /* Delete characters instead of bytes */ | |
4530 #endif | |
4531 while (len-- > 0) /* delete the from string */ | |
4532 (void)ins_typebuf(tb, 1, 0, TRUE, mp->m_silent); | |
4533 return TRUE; | |
4534 } | |
4535 } | |
4536 return FALSE; | |
4537 } | |
4538 | |
836 | 4539 #ifdef FEAT_EVAL |
4540 /* | |
4541 * Evaluate the RHS of a mapping or abbreviations and take care of escaping | |
4542 * special characters. | |
4543 */ | |
4544 static char_u * | |
1969 | 4545 eval_map_expr(str, c) |
836 | 4546 char_u *str; |
1969 | 4547 int c; /* NUL or typed character for abbreviation */ |
836 | 4548 { |
4549 char_u *res; | |
837 | 4550 char_u *p; |
3022 | 4551 char_u *expr; |
847 | 4552 char_u *save_cmd; |
856 | 4553 pos_T save_cursor; |
3231 | 4554 int save_msg_col; |
4555 int save_msg_row; | |
847 | 4556 |
3022 | 4557 /* Remove escaping of CSI, because "str" is in a format to be used as |
4558 * typeahead. */ | |
4559 expr = vim_strsave(str); | |
4560 if (expr == NULL) | |
4561 return NULL; | |
4562 vim_unescape_csi(expr); | |
4563 | |
847 | 4564 save_cmd = save_cmdline_alloc(); |
4565 if (save_cmd == NULL) | |
3022 | 4566 { |
4567 vim_free(expr); | |
847 | 4568 return NULL; |
3022 | 4569 } |
856 | 4570 |
4571 /* Forbid changing text or using ":normal" to avoid most of the bad side | |
4572 * effects. Also restore the cursor position. */ | |
4573 ++textlock; | |
4574 #ifdef FEAT_EX_EXTRA | |
4575 ++ex_normal_lock; | |
4576 #endif | |
1969 | 4577 set_vim_var_char(c); /* set v:char to the typed character */ |
856 | 4578 save_cursor = curwin->w_cursor; |
3231 | 4579 save_msg_col = msg_col; |
4580 save_msg_row = msg_row; | |
3022 | 4581 p = eval_to_string(expr, NULL, FALSE); |
856 | 4582 --textlock; |
4583 #ifdef FEAT_EX_EXTRA | |
4584 --ex_normal_lock; | |
4585 #endif | |
4586 curwin->w_cursor = save_cursor; | |
3231 | 4587 msg_col = save_msg_col; |
4588 msg_row = save_msg_row; | |
856 | 4589 |
847 | 4590 restore_cmdline_alloc(save_cmd); |
3022 | 4591 vim_free(expr); |
4592 | |
837 | 4593 if (p == NULL) |
836 | 4594 return NULL; |
3022 | 4595 /* Escape CSI in the result to be able to use the string as typeahead. */ |
844 | 4596 res = vim_strsave_escape_csi(p); |
4597 vim_free(p); | |
4598 | |
4599 return res; | |
4600 } | |
4601 #endif | |
4602 | |
4603 /* | |
4604 * Copy "p" to allocated memory, escaping K_SPECIAL and CSI so that the result | |
4605 * can be put in the typeahead buffer. | |
4606 * Returns NULL when out of memory. | |
4607 */ | |
4608 char_u * | |
4609 vim_strsave_escape_csi(p) | |
4610 char_u *p; | |
4611 { | |
4612 char_u *res; | |
4613 char_u *s, *d; | |
836 | 4614 |
4615 /* Need a buffer to hold up to three times as much. */ | |
837 | 4616 res = alloc((unsigned)(STRLEN(p) * 3) + 1); |
836 | 4617 if (res != NULL) |
4618 { | |
837 | 4619 d = res; |
4620 for (s = p; *s != NUL; ) | |
4621 { | |
4622 if (s[0] == K_SPECIAL && s[1] != NUL && s[2] != NUL) | |
4623 { | |
4624 /* Copy special key unmodified. */ | |
4625 *d++ = *s++; | |
4626 *d++ = *s++; | |
4627 *d++ = *s++; | |
4628 } | |
4629 else | |
4630 { | |
4356 | 4631 #ifdef FEAT_MBYTE |
4632 int len = mb_char2len(PTR2CHAR(s)); | |
4633 int len2 = mb_ptr2len(s); | |
4634 #endif | |
837 | 4635 /* Add character, possibly multi-byte to destination, escaping |
4636 * CSI and K_SPECIAL. */ | |
4637 d = add_char2buf(PTR2CHAR(s), d); | |
4356 | 4638 #ifdef FEAT_MBYTE |
4639 while (len < len2) | |
4640 { | |
4641 /* add following combining char */ | |
4642 d = add_char2buf(PTR2CHAR(s + len), d); | |
4643 len += mb_char2len(PTR2CHAR(s + len)); | |
4644 } | |
4645 #endif | |
837 | 4646 mb_ptr_adv(s); |
4647 } | |
4648 } | |
4649 *d = NUL; | |
836 | 4650 } |
4651 return res; | |
4652 } | |
4653 | |
7 | 4654 /* |
1081 | 4655 * Remove escaping from CSI and K_SPECIAL characters. Reverse of |
4656 * vim_strsave_escape_csi(). Works in-place. | |
4657 */ | |
4658 void | |
4659 vim_unescape_csi(p) | |
4660 char_u *p; | |
4661 { | |
4662 char_u *s = p, *d = p; | |
4663 | |
4664 while (*s != NUL) | |
4665 { | |
4666 if (s[0] == K_SPECIAL && s[1] == KS_SPECIAL && s[2] == KE_FILLER) | |
4667 { | |
4668 *d++ = K_SPECIAL; | |
4669 s += 3; | |
4670 } | |
4671 else if ((s[0] == K_SPECIAL || s[0] == CSI) | |
4672 && s[1] == KS_EXTRA && s[2] == (int)KE_CSI) | |
4673 { | |
4674 *d++ = CSI; | |
4675 s += 3; | |
4676 } | |
4677 else | |
4678 *d++ = *s++; | |
4679 } | |
4680 *d = NUL; | |
4681 } | |
4682 | |
4683 /* | |
7 | 4684 * Write map commands for the current mappings to an .exrc file. |
4685 * Return FAIL on error, OK otherwise. | |
4686 */ | |
4687 int | |
4688 makemap(fd, buf) | |
4689 FILE *fd; | |
4690 buf_T *buf; /* buffer for local mappings or NULL */ | |
4691 { | |
4692 mapblock_T *mp; | |
1678 | 4693 char_u c1, c2, c3; |
7 | 4694 char_u *p; |
4695 char *cmd; | |
4696 int abbr; | |
4697 int hash; | |
4698 int did_cpo = FALSE; | |
4699 int i; | |
4700 | |
4701 validate_maphash(); | |
4702 | |
4703 /* | |
4704 * Do the loop twice: Once for mappings, once for abbreviations. | |
4705 * Then loop over all map hash lists. | |
4706 */ | |
4707 for (abbr = 0; abbr < 2; ++abbr) | |
4708 for (hash = 0; hash < 256; ++hash) | |
4709 { | |
4710 if (abbr) | |
4711 { | |
779 | 4712 if (hash > 0) /* there is only one abbr list */ |
7 | 4713 break; |
4714 #ifdef FEAT_LOCALMAP | |
4715 if (buf != NULL) | |
4716 mp = buf->b_first_abbr; | |
4717 else | |
4718 #endif | |
4719 mp = first_abbr; | |
4720 } | |
4721 else | |
4722 { | |
4723 #ifdef FEAT_LOCALMAP | |
4724 if (buf != NULL) | |
4725 mp = buf->b_maphash[hash]; | |
4726 else | |
4727 #endif | |
4728 mp = maphash[hash]; | |
4729 } | |
4730 | |
4731 for ( ; mp; mp = mp->m_next) | |
4732 { | |
4733 /* skip script-local mappings */ | |
4734 if (mp->m_noremap == REMAP_SCRIPT) | |
4735 continue; | |
4736 | |
4737 /* skip mappings that contain a <SNR> (script-local thing), | |
4738 * they probably don't work when loaded again */ | |
4739 for (p = mp->m_str; *p != NUL; ++p) | |
4740 if (p[0] == K_SPECIAL && p[1] == KS_EXTRA | |
4741 && p[2] == (int)KE_SNR) | |
4742 break; | |
4743 if (*p != NUL) | |
4744 continue; | |
4745 | |
1678 | 4746 /* It's possible to create a mapping and then ":unmap" certain |
4747 * modes. We recreate this here by mapping the individual | |
4748 * modes, which requires up to three of them. */ | |
7 | 4749 c1 = NUL; |
4750 c2 = NUL; | |
1678 | 4751 c3 = NUL; |
7 | 4752 if (abbr) |
4753 cmd = "abbr"; | |
4754 else | |
4755 cmd = "map"; | |
4756 switch (mp->m_mode) | |
4757 { | |
788 | 4758 case NORMAL + VISUAL + SELECTMODE + OP_PENDING: |
7 | 4759 break; |
4760 case NORMAL: | |
4761 c1 = 'n'; | |
4762 break; | |
4763 case VISUAL: | |
788 | 4764 c1 = 'x'; |
4765 break; | |
4766 case SELECTMODE: | |
4767 c1 = 's'; | |
7 | 4768 break; |
4769 case OP_PENDING: | |
4770 c1 = 'o'; | |
4771 break; | |
1678 | 4772 case NORMAL + VISUAL: |
4773 c1 = 'n'; | |
4774 c2 = 'x'; | |
4775 break; | |
4776 case NORMAL + SELECTMODE: | |
4777 c1 = 'n'; | |
4778 c2 = 's'; | |
4779 break; | |
4780 case NORMAL + OP_PENDING: | |
4781 c1 = 'n'; | |
4782 c2 = 'o'; | |
4783 break; | |
4784 case VISUAL + SELECTMODE: | |
4785 c1 = 'v'; | |
4786 break; | |
4787 case VISUAL + OP_PENDING: | |
4788 c1 = 'x'; | |
4789 c2 = 'o'; | |
4790 break; | |
4791 case SELECTMODE + OP_PENDING: | |
4792 c1 = 's'; | |
4793 c2 = 'o'; | |
4794 break; | |
788 | 4795 case NORMAL + VISUAL + SELECTMODE: |
7 | 4796 c1 = 'n'; |
4797 c2 = 'v'; | |
4798 break; | |
1678 | 4799 case NORMAL + VISUAL + OP_PENDING: |
4800 c1 = 'n'; | |
4801 c2 = 'x'; | |
4802 c3 = 'o'; | |
4803 break; | |
4804 case NORMAL + SELECTMODE + OP_PENDING: | |
4805 c1 = 'n'; | |
4806 c2 = 's'; | |
4807 c3 = 'o'; | |
4808 break; | |
788 | 4809 case VISUAL + SELECTMODE + OP_PENDING: |
7 | 4810 c1 = 'v'; |
4811 c2 = 'o'; | |
4812 break; | |
4813 case CMDLINE + INSERT: | |
4814 if (!abbr) | |
4815 cmd = "map!"; | |
4816 break; | |
4817 case CMDLINE: | |
4818 c1 = 'c'; | |
4819 break; | |
4820 case INSERT: | |
4821 c1 = 'i'; | |
4822 break; | |
4823 case LANGMAP: | |
4824 c1 = 'l'; | |
4825 break; | |
4826 default: | |
4827 EMSG(_("E228: makemap: Illegal mode")); | |
4828 return FAIL; | |
4829 } | |
1678 | 4830 do /* do this twice if c2 is set, 3 times with c3 */ |
7 | 4831 { |
4832 /* When outputting <> form, need to make sure that 'cpo' | |
4833 * is set to the Vim default. */ | |
4834 if (!did_cpo) | |
4835 { | |
4836 if (*mp->m_str == NUL) /* will use <Nop> */ | |
4837 did_cpo = TRUE; | |
4838 else | |
4839 for (i = 0; i < 2; ++i) | |
4840 for (p = (i ? mp->m_str : mp->m_keys); *p; ++p) | |
4841 if (*p == K_SPECIAL || *p == NL) | |
4842 did_cpo = TRUE; | |
4843 if (did_cpo) | |
4844 { | |
4845 if (fprintf(fd, "let s:cpo_save=&cpo") < 0 | |
4846 || put_eol(fd) < 0 | |
4847 || fprintf(fd, "set cpo&vim") < 0 | |
4848 || put_eol(fd) < 0) | |
4849 return FAIL; | |
4850 } | |
4851 } | |
4852 if (c1 && putc(c1, fd) < 0) | |
4853 return FAIL; | |
4854 if (mp->m_noremap != REMAP_YES && fprintf(fd, "nore") < 0) | |
4855 return FAIL; | |
1757 | 4856 if (fputs(cmd, fd) < 0) |
7 | 4857 return FAIL; |
4858 if (buf != NULL && fputs(" <buffer>", fd) < 0) | |
4859 return FAIL; | |
4860 if (mp->m_silent && fputs(" <silent>", fd) < 0) | |
4861 return FAIL; | |
721 | 4862 #ifdef FEAT_EVAL |
4863 if (mp->m_noremap == REMAP_SCRIPT | |
4864 && fputs("<script>", fd) < 0) | |
4865 return FAIL; | |
4866 if (mp->m_expr && fputs(" <expr>", fd) < 0) | |
4867 return FAIL; | |
4868 #endif | |
7 | 4869 |
4870 if ( putc(' ', fd) < 0 | |
4871 || put_escstr(fd, mp->m_keys, 0) == FAIL | |
4872 || putc(' ', fd) < 0 | |
4873 || put_escstr(fd, mp->m_str, 1) == FAIL | |
4874 || put_eol(fd) < 0) | |
4875 return FAIL; | |
4876 c1 = c2; | |
1678 | 4877 c2 = c3; |
4878 c3 = NUL; | |
4879 } while (c1 != NUL); | |
7 | 4880 } |
4881 } | |
4882 | |
4883 if (did_cpo) | |
4884 if (fprintf(fd, "let &cpo=s:cpo_save") < 0 | |
4885 || put_eol(fd) < 0 | |
4886 || fprintf(fd, "unlet s:cpo_save") < 0 | |
4887 || put_eol(fd) < 0) | |
4888 return FAIL; | |
4889 return OK; | |
4890 } | |
4891 | |
4892 /* | |
4893 * write escape string to file | |
4894 * "what": 0 for :map lhs, 1 for :map rhs, 2 for :set | |
4895 * | |
4896 * return FAIL for failure, OK otherwise | |
4897 */ | |
4898 int | |
4899 put_escstr(fd, strstart, what) | |
4900 FILE *fd; | |
4901 char_u *strstart; | |
4902 int what; | |
4903 { | |
4904 char_u *str = strstart; | |
4905 int c; | |
4906 int modifiers; | |
4907 | |
4908 /* :map xx <Nop> */ | |
4909 if (*str == NUL && what == 1) | |
4910 { | |
4911 if (fprintf(fd, "<Nop>") < 0) | |
4912 return FAIL; | |
4913 return OK; | |
4914 } | |
4915 | |
4916 for ( ; *str != NUL; ++str) | |
4917 { | |
4918 #ifdef FEAT_MBYTE | |
4919 char_u *p; | |
4920 | |
4921 /* Check for a multi-byte character, which may contain escaped | |
4922 * K_SPECIAL and CSI bytes */ | |
4923 p = mb_unescape(&str); | |
4924 if (p != NULL) | |
4925 { | |
4926 while (*p != NUL) | |
300 | 4927 if (fputc(*p++, fd) < 0) |
7 | 4928 return FAIL; |
4929 --str; | |
4930 continue; | |
4931 } | |
4932 #endif | |
4933 | |
4934 c = *str; | |
4935 /* | |
4936 * Special key codes have to be translated to be able to make sense | |
4937 * when they are read back. | |
4938 */ | |
4939 if (c == K_SPECIAL && what != 2) | |
4940 { | |
4941 modifiers = 0x0; | |
4942 if (str[1] == KS_MODIFIER) | |
4943 { | |
4944 modifiers = str[2]; | |
4945 str += 3; | |
4946 c = *str; | |
4947 } | |
4948 if (c == K_SPECIAL) | |
4949 { | |
4950 c = TO_SPECIAL(str[1], str[2]); | |
4951 str += 2; | |
4952 } | |
4953 if (IS_SPECIAL(c) || modifiers) /* special key */ | |
4954 { | |
1757 | 4955 if (fputs((char *)get_special_key_name(c, modifiers), fd) < 0) |
7 | 4956 return FAIL; |
4957 continue; | |
4958 } | |
4959 } | |
4960 | |
4961 /* | |
4962 * A '\n' in a map command should be written as <NL>. | |
4963 * A '\n' in a set command should be written as \^V^J. | |
4964 */ | |
4965 if (c == NL) | |
4966 { | |
4967 if (what == 2) | |
4968 { | |
4969 if (fprintf(fd, IF_EB("\\\026\n", "\\" CTRL_V_STR "\n")) < 0) | |
4970 return FAIL; | |
4971 } | |
4972 else | |
4973 { | |
4974 if (fprintf(fd, "<NL>") < 0) | |
4975 return FAIL; | |
4976 } | |
4977 continue; | |
4978 } | |
4979 | |
4980 /* | |
4981 * Some characters have to be escaped with CTRL-V to | |
4982 * prevent them from misinterpreted in DoOneCmd(). | |
4983 * A space, Tab and '"' has to be escaped with a backslash to | |
4984 * prevent it to be misinterpreted in do_set(). | |
4985 * A space has to be escaped with a CTRL-V when it's at the start of a | |
4986 * ":map" rhs. | |
4987 * A '<' has to be escaped with a CTRL-V to prevent it being | |
4988 * interpreted as the start of a special key name. | |
4989 * A space in the lhs of a :map needs a CTRL-V. | |
4990 */ | |
4991 if (what == 2 && (vim_iswhite(c) || c == '"' || c == '\\')) | |
4992 { | |
4993 if (putc('\\', fd) < 0) | |
4994 return FAIL; | |
4995 } | |
4996 else if (c < ' ' || c > '~' || c == '|' | |
4997 || (what == 0 && c == ' ') | |
4998 || (what == 1 && str == strstart && c == ' ') | |
4999 || (what != 2 && c == '<')) | |
5000 { | |
5001 if (putc(Ctrl_V, fd) < 0) | |
5002 return FAIL; | |
5003 } | |
5004 if (putc(c, fd) < 0) | |
5005 return FAIL; | |
5006 } | |
5007 return OK; | |
5008 } | |
5009 | |
5010 /* | |
5011 * Check all mappings for the presence of special key codes. | |
5012 * Used after ":set term=xxx". | |
5013 */ | |
5014 void | |
5015 check_map_keycodes() | |
5016 { | |
5017 mapblock_T *mp; | |
5018 char_u *p; | |
5019 int i; | |
5020 char_u buf[3]; | |
5021 char_u *save_name; | |
5022 int abbr; | |
5023 int hash; | |
5024 #ifdef FEAT_LOCALMAP | |
5025 buf_T *bp; | |
5026 #endif | |
5027 | |
5028 validate_maphash(); | |
5029 save_name = sourcing_name; | |
5030 sourcing_name = (char_u *)"mappings"; /* avoids giving error messages */ | |
5031 | |
5032 #ifdef FEAT_LOCALMAP | |
5033 /* This this once for each buffer, and then once for global | |
5034 * mappings/abbreviations with bp == NULL */ | |
5035 for (bp = firstbuf; ; bp = bp->b_next) | |
5036 { | |
5037 #endif | |
5038 /* | |
5039 * Do the loop twice: Once for mappings, once for abbreviations. | |
5040 * Then loop over all map hash lists. | |
5041 */ | |
5042 for (abbr = 0; abbr <= 1; ++abbr) | |
5043 for (hash = 0; hash < 256; ++hash) | |
5044 { | |
5045 if (abbr) | |
5046 { | |
5047 if (hash) /* there is only one abbr list */ | |
5048 break; | |
5049 #ifdef FEAT_LOCALMAP | |
5050 if (bp != NULL) | |
5051 mp = bp->b_first_abbr; | |
5052 else | |
5053 #endif | |
5054 mp = first_abbr; | |
5055 } | |
5056 else | |
5057 { | |
5058 #ifdef FEAT_LOCALMAP | |
5059 if (bp != NULL) | |
5060 mp = bp->b_maphash[hash]; | |
5061 else | |
5062 #endif | |
5063 mp = maphash[hash]; | |
5064 } | |
5065 for ( ; mp != NULL; mp = mp->m_next) | |
5066 { | |
5067 for (i = 0; i <= 1; ++i) /* do this twice */ | |
5068 { | |
5069 if (i == 0) | |
5070 p = mp->m_keys; /* once for the "from" part */ | |
5071 else | |
5072 p = mp->m_str; /* and once for the "to" part */ | |
5073 while (*p) | |
5074 { | |
5075 if (*p == K_SPECIAL) | |
5076 { | |
5077 ++p; | |
5078 if (*p < 128) /* for "normal" tcap entries */ | |
5079 { | |
5080 buf[0] = p[0]; | |
5081 buf[1] = p[1]; | |
5082 buf[2] = NUL; | |
5083 (void)add_termcap_entry(buf, FALSE); | |
5084 } | |
5085 ++p; | |
5086 } | |
5087 ++p; | |
5088 } | |
5089 } | |
5090 } | |
5091 } | |
5092 #ifdef FEAT_LOCALMAP | |
5093 if (bp == NULL) | |
5094 break; | |
5095 } | |
5096 #endif | |
5097 sourcing_name = save_name; | |
5098 } | |
5099 | |
2610 | 5100 #if defined(FEAT_EVAL) || defined(PROTO) |
7 | 5101 /* |
2610 | 5102 * Check the string "keys" against the lhs of all mappings. |
5103 * Return pointer to rhs of mapping (mapblock->m_str). | |
5104 * NULL when no mapping found. | |
7 | 5105 */ |
5106 char_u * | |
2610 | 5107 check_map(keys, mode, exact, ign_mod, abbr, mp_ptr, local_ptr) |
7 | 5108 char_u *keys; |
5109 int mode; | |
5110 int exact; /* require exact match */ | |
275 | 5111 int ign_mod; /* ignore preceding modifier */ |
779 | 5112 int abbr; /* do abbreviations */ |
2610 | 5113 mapblock_T **mp_ptr; /* return: pointer to mapblock or NULL */ |
5114 int *local_ptr; /* return: buffer-local mapping or NULL */ | |
7 | 5115 { |
5116 int hash; | |
5117 int len, minlen; | |
5118 mapblock_T *mp; | |
275 | 5119 char_u *s; |
7 | 5120 #ifdef FEAT_LOCALMAP |
5121 int local; | |
5122 #endif | |
5123 | |
5124 validate_maphash(); | |
5125 | |
5126 len = (int)STRLEN(keys); | |
5127 #ifdef FEAT_LOCALMAP | |
5128 for (local = 1; local >= 0; --local) | |
5129 #endif | |
5130 /* loop over all hash lists */ | |
5131 for (hash = 0; hash < 256; ++hash) | |
5132 { | |
779 | 5133 if (abbr) |
5134 { | |
5135 if (hash > 0) /* there is only one list. */ | |
5136 break; | |
7 | 5137 #ifdef FEAT_LOCALMAP |
779 | 5138 if (local) |
5139 mp = curbuf->b_first_abbr; | |
5140 else | |
5141 #endif | |
5142 mp = first_abbr; | |
5143 } | |
5144 #ifdef FEAT_LOCALMAP | |
5145 else if (local) | |
7 | 5146 mp = curbuf->b_maphash[hash]; |
779 | 5147 #endif |
7 | 5148 else |
5149 mp = maphash[hash]; | |
5150 for ( ; mp != NULL; mp = mp->m_next) | |
5151 { | |
5152 /* skip entries with wrong mode, wrong length and not matching | |
5153 * ones */ | |
275 | 5154 if ((mp->m_mode & mode) && (!exact || mp->m_keylen == len)) |
5155 { | |
5156 if (len > mp->m_keylen) | |
5157 minlen = mp->m_keylen; | |
5158 else | |
5159 minlen = len; | |
5160 s = mp->m_keys; | |
5161 if (ign_mod && s[0] == K_SPECIAL && s[1] == KS_MODIFIER | |
5162 && s[2] != NUL) | |
5163 { | |
5164 s += 3; | |
5165 if (len > mp->m_keylen - 3) | |
5166 minlen = mp->m_keylen - 3; | |
5167 } | |
5168 if (STRNCMP(s, keys, minlen) == 0) | |
2610 | 5169 { |
5170 if (mp_ptr != NULL) | |
5171 *mp_ptr = mp; | |
5172 if (local_ptr != NULL) | |
2611 | 5173 #ifdef FEAT_LOCALMAP |
2610 | 5174 *local_ptr = local; |
2611 | 5175 #else |
5176 *local_ptr = 0; | |
5177 #endif | |
275 | 5178 return mp->m_str; |
2610 | 5179 } |
275 | 5180 } |
7 | 5181 } |
5182 } | |
5183 | |
5184 return NULL; | |
5185 } | |
5186 #endif | |
5187 | |
180 | 5188 #if defined(MSDOS) || defined(MSWIN) || defined(OS2) || defined(MACOS) |
788 | 5189 |
5190 #define VIS_SEL (VISUAL+SELECTMODE) /* abbreviation */ | |
5191 | |
7 | 5192 /* |
5193 * Default mappings for some often used keys. | |
5194 */ | |
5195 static struct initmap | |
5196 { | |
5197 char_u *arg; | |
5198 int mode; | |
5199 } initmappings[] = | |
5200 { | |
5201 #if defined(MSDOS) || defined(MSWIN) || defined(OS2) | |
5202 /* Use the Windows (CUA) keybindings. */ | |
5203 # ifdef FEAT_GUI | |
5204 /* paste, copy and cut */ | |
5205 {(char_u *)"<S-Insert> \"*P", NORMAL}, | |
788 | 5206 {(char_u *)"<S-Insert> \"-d\"*P", VIS_SEL}, |
7 | 5207 {(char_u *)"<S-Insert> <C-R><C-O>*", INSERT+CMDLINE}, |
788 | 5208 {(char_u *)"<C-Insert> \"*y", VIS_SEL}, |
5209 {(char_u *)"<S-Del> \"*d", VIS_SEL}, | |
5210 {(char_u *)"<C-Del> \"*d", VIS_SEL}, | |
5211 {(char_u *)"<C-X> \"*d", VIS_SEL}, | |
7 | 5212 /* Missing: CTRL-C (cancel) and CTRL-V (block selection) */ |
5213 # else | |
788 | 5214 {(char_u *)"\316w <C-Home>", NORMAL+VIS_SEL}, |
7 | 5215 {(char_u *)"\316w <C-Home>", INSERT+CMDLINE}, |
788 | 5216 {(char_u *)"\316u <C-End>", NORMAL+VIS_SEL}, |
7 | 5217 {(char_u *)"\316u <C-End>", INSERT+CMDLINE}, |
5218 | |
5219 /* paste, copy and cut */ | |
5220 # ifdef FEAT_CLIPBOARD | |
5221 # ifdef DJGPP | |
5222 {(char_u *)"\316\122 \"*P", NORMAL}, /* SHIFT-Insert is "*P */ | |
2520 | 5223 {(char_u *)"\316\122 \"-d\"*P", VIS_SEL}, /* SHIFT-Insert is "-d"*P */ |
7 | 5224 {(char_u *)"\316\122 \022\017*", INSERT}, /* SHIFT-Insert is ^R^O* */ |
788 | 5225 {(char_u *)"\316\222 \"*y", VIS_SEL}, /* CTRL-Insert is "*y */ |
7 | 5226 # if 0 /* Shift-Del produces the same code as Del */ |
788 | 5227 {(char_u *)"\316\123 \"*d", VIS_SEL}, /* SHIFT-Del is "*d */ |
7 | 5228 # endif |
788 | 5229 {(char_u *)"\316\223 \"*d", VIS_SEL}, /* CTRL-Del is "*d */ |
5230 {(char_u *)"\030 \"-d", VIS_SEL}, /* CTRL-X is "-d */ | |
7 | 5231 # else |
5232 {(char_u *)"\316\324 \"*P", NORMAL}, /* SHIFT-Insert is "*P */ | |
2520 | 5233 {(char_u *)"\316\324 \"-d\"*P", VIS_SEL}, /* SHIFT-Insert is "-d"*P */ |
7 | 5234 {(char_u *)"\316\324 \022\017*", INSERT}, /* SHIFT-Insert is ^R^O* */ |
788 | 5235 {(char_u *)"\316\325 \"*y", VIS_SEL}, /* CTRL-Insert is "*y */ |
5236 {(char_u *)"\316\327 \"*d", VIS_SEL}, /* SHIFT-Del is "*d */ | |
5237 {(char_u *)"\316\330 \"*d", VIS_SEL}, /* CTRL-Del is "*d */ | |
5238 {(char_u *)"\030 \"-d", VIS_SEL}, /* CTRL-X is "-d */ | |
7 | 5239 # endif |
5240 # else | |
5241 {(char_u *)"\316\324 P", NORMAL}, /* SHIFT-Insert is P */ | |
788 | 5242 {(char_u *)"\316\324 \"-dP", VIS_SEL}, /* SHIFT-Insert is "-dP */ |
7 | 5243 {(char_u *)"\316\324 \022\017\"", INSERT}, /* SHIFT-Insert is ^R^O" */ |
788 | 5244 {(char_u *)"\316\325 y", VIS_SEL}, /* CTRL-Insert is y */ |
5245 {(char_u *)"\316\327 d", VIS_SEL}, /* SHIFT-Del is d */ | |
5246 {(char_u *)"\316\330 d", VIS_SEL}, /* CTRL-Del is d */ | |
7 | 5247 # endif |
5248 # endif | |
5249 #endif | |
5250 | |
5251 #if defined(MACOS) | |
5252 /* Use the Standard MacOS binding. */ | |
5253 /* paste, copy and cut */ | |
5254 {(char_u *)"<D-v> \"*P", NORMAL}, | |
788 | 5255 {(char_u *)"<D-v> \"-d\"*P", VIS_SEL}, |
7 | 5256 {(char_u *)"<D-v> <C-R>*", INSERT+CMDLINE}, |
788 | 5257 {(char_u *)"<D-c> \"*y", VIS_SEL}, |
5258 {(char_u *)"<D-x> \"*d", VIS_SEL}, | |
5259 {(char_u *)"<Backspace> \"-d", VIS_SEL}, | |
7 | 5260 #endif |
5261 }; | |
788 | 5262 |
5263 # undef VIS_SEL | |
180 | 5264 #endif |
7 | 5265 |
5266 /* | |
5267 * Set up default mappings. | |
5268 */ | |
5269 void | |
5270 init_mappings() | |
5271 { | |
180 | 5272 #if defined(MSDOS) || defined(MSWIN) || defined(OS2) || defined(MACOS) |
7 | 5273 int i; |
5274 | |
5275 for (i = 0; i < sizeof(initmappings) / sizeof(struct initmap); ++i) | |
5276 add_map(initmappings[i].arg, initmappings[i].mode); | |
180 | 5277 #endif |
7 | 5278 } |
5279 | |
184 | 5280 #if defined(MSDOS) || defined(MSWIN) || defined(OS2) \ |
5281 || defined(FEAT_CMDWIN) || defined(MACOS) || defined(PROTO) | |
7 | 5282 /* |
5283 * Add a mapping "map" for mode "mode". | |
5284 * Need to put string in allocated memory, because do_map() will modify it. | |
5285 */ | |
5286 void | |
5287 add_map(map, mode) | |
5288 char_u *map; | |
5289 int mode; | |
5290 { | |
5291 char_u *s; | |
5292 char_u *cpo_save = p_cpo; | |
5293 | |
5294 p_cpo = (char_u *)""; /* Allow <> notation */ | |
5295 s = vim_strsave(map); | |
5296 if (s != NULL) | |
5297 { | |
5298 (void)do_map(0, s, mode, FALSE); | |
5299 vim_free(s); | |
5300 } | |
5301 p_cpo = cpo_save; | |
5302 } | |
184 | 5303 #endif |