?  search:
summary | log | graphiclog1 | graphiclog2 | commit | commitdiff | tree | refs | edit | fork
blame | history | raw | HEAD
Fix computation of zoomed window frame
[MacVim.git] / src / ex_docmd.c
bloba258ced229d7037096f0e8a413a5415401751037
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 * ex_docmd.c: functions for executing an Ex command line.
12 */
13
14 #include "vim.h"
15
16 static int quitmore = 0;
17 static int ex_pressedreturn = FALSE;
18 #ifndef FEAT_PRINTER
19 # define ex_hardcopy ex_ni
20 #endif
21
22 #ifdef FEAT_USR_CMDS
23 typedef struct ucmd
24 {
25 char_u *uc_name; /* The command name */
26 long_u uc_argt; /* The argument type */
27 char_u *uc_rep; /* The command's replacement string */
28 long uc_def; /* The default value for a range/count */
29 scid_T uc_scriptID; /* SID where the command was defined */
30 int uc_compl; /* completion type */
31 # if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL)
32 char_u *uc_compl_arg; /* completion argument if any */
33 # endif
34 } ucmd_T;
35
36 #define UC_BUFFER 1 /* -buffer: local to current buffer */
37
38 static garray_T ucmds = {0, 0, sizeof(ucmd_T), 4, NULL};
39
40 #define USER_CMD(i) (&((ucmd_T *)(ucmds.ga_data))[i])
41 #define USER_CMD_GA(gap, i) (&((ucmd_T *)((gap)->ga_data))[i])
42
43 static void do_ucmd __ARGS((exarg_T *eap));
44 static void ex_command __ARGS((exarg_T *eap));
45 static void ex_delcommand __ARGS((exarg_T *eap));
46 # ifdef FEAT_CMDL_COMPL
47 static char_u *get_user_command_name __ARGS((int idx));
48 # endif
49
50 #else
51 # define ex_command ex_ni
52 # define ex_comclear ex_ni
53 # define ex_delcommand ex_ni
54 #endif
55
56 #ifdef FEAT_EVAL
57 static char_u *do_one_cmd __ARGS((char_u **, int, struct condstack *, char_u *(*fgetline)(int, void *, int), void *cookie));
58 #else
59 static char_u *do_one_cmd __ARGS((char_u **, int, char_u *(*fgetline)(int, void *, int), void *cookie));
60 static int if_level = 0; /* depth in :if */
61 #endif
62 static char_u *find_command __ARGS((exarg_T *eap, int *full));
63
64 static void ex_abbreviate __ARGS((exarg_T *eap));
65 static void ex_map __ARGS((exarg_T *eap));
66 static void ex_unmap __ARGS((exarg_T *eap));
67 static void ex_mapclear __ARGS((exarg_T *eap));
68 static void ex_abclear __ARGS((exarg_T *eap));
69 #ifndef FEAT_MENU
70 # define ex_emenu ex_ni
71 # define ex_menu ex_ni
72 # define ex_menutranslate ex_ni
73 #endif
74 #ifdef FEAT_AUTOCMD
75 static void ex_autocmd __ARGS((exarg_T *eap));
76 static void ex_doautocmd __ARGS((exarg_T *eap));
77 #else
78 # define ex_autocmd ex_ni
79 # define ex_doautocmd ex_ni
80 # define ex_doautoall ex_ni
81 #endif
82 #ifdef FEAT_LISTCMDS
83 static void ex_bunload __ARGS((exarg_T *eap));
84 static void ex_buffer __ARGS((exarg_T *eap));
85 static void ex_bmodified __ARGS((exarg_T *eap));
86 static void ex_bnext __ARGS((exarg_T *eap));
87 static void ex_bprevious __ARGS((exarg_T *eap));
88 static void ex_brewind __ARGS((exarg_T *eap));
89 static void ex_blast __ARGS((exarg_T *eap));
90 #else
91 # define ex_bunload ex_ni
92 # define ex_buffer ex_ni
93 # define ex_bmodified ex_ni
94 # define ex_bnext ex_ni
95 # define ex_bprevious ex_ni
96 # define ex_brewind ex_ni
97 # define ex_blast ex_ni
98 # define buflist_list ex_ni
99 # define ex_checktime ex_ni
100 #endif
101 #if !defined(FEAT_LISTCMDS) || !defined(FEAT_WINDOWS)
102 # define ex_buffer_all ex_ni
103 #endif
104 static char_u *getargcmd __ARGS((char_u **));
105 static char_u *skip_cmd_arg __ARGS((char_u *p, int rembs));
106 static int getargopt __ARGS((exarg_T *eap));
107 #ifndef FEAT_QUICKFIX
108 # define ex_make ex_ni
109 # define ex_cbuffer ex_ni
110 # define ex_cc ex_ni
111 # define ex_cnext ex_ni
112 # define ex_cfile ex_ni
113 # define qf_list ex_ni
114 # define qf_age ex_ni
115 # define ex_helpgrep ex_ni
116 # define ex_vimgrep ex_ni
117 #endif
118 #if !defined(FEAT_QUICKFIX) || !defined(FEAT_WINDOWS)
119 # define ex_cclose ex_ni
120 # define ex_copen ex_ni
121 # define ex_cwindow ex_ni
122 #endif
123 #if !defined(FEAT_QUICKFIX) || !defined(FEAT_EVAL)
124 # define ex_cexpr ex_ni
125 #endif
126
127 static int check_more __ARGS((int, int));
128 static linenr_T get_address __ARGS((char_u **, int skip, int to_other_file));
129 static void get_flags __ARGS((exarg_T *eap));
130 #if !defined(FEAT_PERL) || !defined(FEAT_PYTHON) || !defined(FEAT_TCL) \
131 || !defined(FEAT_RUBY) || !defined(FEAT_MZSCHEME)
132 # define HAVE_EX_SCRIPT_NI
133 static void ex_script_ni __ARGS((exarg_T *eap));
134 #endif
135 static char_u *invalid_range __ARGS((exarg_T *eap));
136 static void correct_range __ARGS((exarg_T *eap));
137 #ifdef FEAT_QUICKFIX
138 static char_u *replace_makeprg __ARGS((exarg_T *eap, char_u *p, char_u **cmdlinep));
139 #endif
140 static char_u *repl_cmdline __ARGS((exarg_T *eap, char_u *src, int srclen, char_u *repl, char_u **cmdlinep));
141 static void ex_highlight __ARGS((exarg_T *eap));
142 static void ex_colorscheme __ARGS((exarg_T *eap));
143 static void ex_quit __ARGS((exarg_T *eap));
144 static void ex_cquit __ARGS((exarg_T *eap));
145 static void ex_quit_all __ARGS((exarg_T *eap));
146 #ifdef FEAT_WINDOWS
147 static void ex_close __ARGS((exarg_T *eap));
148 static void ex_win_close __ARGS((int forceit, win_T *win, tabpage_T *tp));
149 static void ex_only __ARGS((exarg_T *eap));
150 static void ex_resize __ARGS((exarg_T *eap));
151 static void ex_stag __ARGS((exarg_T *eap));
152 static void ex_tabclose __ARGS((exarg_T *eap));
153 static void ex_tabonly __ARGS((exarg_T *eap));
154 static void ex_tabnext __ARGS((exarg_T *eap));
155 static void ex_tabmove __ARGS((exarg_T *eap));
156 static void ex_tabs __ARGS((exarg_T *eap));
157 #else
158 # define ex_close ex_ni
159 # define ex_only ex_ni
160 # define ex_all ex_ni
161 # define ex_resize ex_ni
162 # define ex_splitview ex_ni
163 # define ex_stag ex_ni
164 # define ex_tabnext ex_ni
165 # define ex_tabmove ex_ni
166 # define ex_tabs ex_ni
167 # define ex_tabclose ex_ni
168 # define ex_tabonly ex_ni
169 #endif
170 #if defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX)
171 static void ex_pclose __ARGS((exarg_T *eap));
172 static void ex_ptag __ARGS((exarg_T *eap));
173 static void ex_pedit __ARGS((exarg_T *eap));
174 #else
175 # define ex_pclose ex_ni
176 # define ex_ptag ex_ni
177 # define ex_pedit ex_ni
178 #endif
179 static void ex_hide __ARGS((exarg_T *eap));
180 static void ex_stop __ARGS((exarg_T *eap));
181 static void ex_exit __ARGS((exarg_T *eap));
182 static void ex_print __ARGS((exarg_T *eap));
183 #ifdef FEAT_BYTEOFF
184 static void ex_goto __ARGS((exarg_T *eap));
185 #else
186 # define ex_goto ex_ni
187 #endif
188 static void ex_shell __ARGS((exarg_T *eap));
189 static void ex_preserve __ARGS((exarg_T *eap));
190 static void ex_recover __ARGS((exarg_T *eap));
191 #ifndef FEAT_LISTCMDS
192 # define ex_argedit ex_ni
193 # define ex_argadd ex_ni
194 # define ex_argdelete ex_ni
195 # define ex_listdo ex_ni
196 #endif
197 static void ex_mode __ARGS((exarg_T *eap));
198 static void ex_wrongmodifier __ARGS((exarg_T *eap));
199 static void ex_find __ARGS((exarg_T *eap));
200 static void ex_open __ARGS((exarg_T *eap));
201 static void ex_edit __ARGS((exarg_T *eap));
202 #if !defined(FEAT_GUI) && !defined(FEAT_CLIENTSERVER)
203 # define ex_drop ex_ni
204 #endif
205 #ifndef FEAT_GUI
206 # define ex_gui ex_nogui
207 static void ex_nogui __ARGS((exarg_T *eap));
208 #endif
209 #if defined(FEAT_GUI_W32) && defined(FEAT_MENU) && defined(FEAT_TEAROFF)
210 static void ex_tearoff __ARGS((exarg_T *eap));
211 #else
212 # define ex_tearoff ex_ni
213 #endif
214 #if defined(FEAT_MENU) && (defined(FEAT_GUI_MSWIN) || defined(FEAT_GUI_GTK) \
215 || defined(FEAT_GUI_MACVIM))
216 static void ex_popup __ARGS((exarg_T *eap));
217 #else
218 # define ex_popup ex_ni
219 #endif
220 #ifndef FEAT_GUI_MSWIN
221 # define ex_simalt ex_ni
222 #endif
223 #if !(defined(FEAT_GUI_MSWIN) || defined(FEAT_GUI_GTK) || \
224 defined(FEAT_GUI_MOTIF) || defined(FEAT_GUI_MACVIM))
225 # define gui_mch_find_dialog ex_ni
226 # define gui_mch_replace_dialog ex_ni
227 #endif
228 #if !defined(FEAT_GUI_GTK)
229 # define ex_helpfind ex_ni
230 #endif
231 #ifndef FEAT_CSCOPE
232 # define do_cscope ex_ni
233 # define do_scscope ex_ni
234 # define do_cstag ex_ni
235 #endif
236 #ifndef FEAT_SYN_HL
237 # define ex_syntax ex_ni
238 #endif
239 #ifndef FEAT_SPELL
240 # define ex_spell ex_ni
241 # define ex_mkspell ex_ni
242 # define ex_spelldump ex_ni
243 # define ex_spellinfo ex_ni
244 # define ex_spellrepall ex_ni
245 #endif
246 #ifndef FEAT_MZSCHEME
247 # define ex_mzscheme ex_script_ni
248 # define ex_mzfile ex_ni
249 #endif
250 #ifndef FEAT_PERL
251 # define ex_perl ex_script_ni
252 # define ex_perldo ex_ni
253 #endif
254 #ifndef FEAT_PYTHON
255 # define ex_python ex_script_ni
256 # define ex_pyfile ex_ni
257 #endif
258 #ifndef FEAT_TCL
259 # define ex_tcl ex_script_ni
260 # define ex_tcldo ex_ni
261 # define ex_tclfile ex_ni
262 #endif
263 #ifndef FEAT_RUBY
264 # define ex_ruby ex_script_ni
265 # define ex_rubydo ex_ni
266 # define ex_rubyfile ex_ni
267 #endif
268 #ifndef FEAT_SNIFF
269 # define ex_sniff ex_ni
270 #endif
271 #ifndef FEAT_KEYMAP
272 # define ex_loadkeymap ex_ni
273 #endif
274 static void ex_swapname __ARGS((exarg_T *eap));
275 static void ex_syncbind __ARGS((exarg_T *eap));
276 static void ex_read __ARGS((exarg_T *eap));
277 static void ex_pwd __ARGS((exarg_T *eap));
278 static void ex_equal __ARGS((exarg_T *eap));
279 static void ex_sleep __ARGS((exarg_T *eap));
280 static void do_exmap __ARGS((exarg_T *eap, int isabbrev));
281 static void ex_winsize __ARGS((exarg_T *eap));
282 #ifdef FEAT_WINDOWS
283 static void ex_wincmd __ARGS((exarg_T *eap));
284 #else
285 # define ex_wincmd ex_ni
286 #endif
287 #if defined(FEAT_GUI) || defined(UNIX) || defined(VMS) || defined(MSWIN)
288 static void ex_winpos __ARGS((exarg_T *eap));
289 #else
290 # define ex_winpos ex_ni
291 #endif
292 static void ex_operators __ARGS((exarg_T *eap));
293 static void ex_put __ARGS((exarg_T *eap));
294 static void ex_copymove __ARGS((exarg_T *eap));
295 static void ex_may_print __ARGS((exarg_T *eap));
296 static void ex_submagic __ARGS((exarg_T *eap));
297 static void ex_join __ARGS((exarg_T *eap));
298 static void ex_at __ARGS((exarg_T *eap));
299 static void ex_bang __ARGS((exarg_T *eap));
300 static void ex_undo __ARGS((exarg_T *eap));
301 static void ex_redo __ARGS((exarg_T *eap));
302 static void ex_later __ARGS((exarg_T *eap));
303 static void ex_redir __ARGS((exarg_T *eap));
304 static void ex_redraw __ARGS((exarg_T *eap));
305 static void ex_redrawstatus __ARGS((exarg_T *eap));
306 static void close_redir __ARGS((void));
307 static void ex_mkrc __ARGS((exarg_T *eap));
308 static void ex_mark __ARGS((exarg_T *eap));
309 #ifdef FEAT_USR_CMDS
310 static char_u *uc_fun_cmd __ARGS((void));
311 static char_u *find_ucmd __ARGS((exarg_T *eap, char_u *p, int *full, expand_T *xp, int *compl));
312 #endif
313 #ifdef FEAT_EX_EXTRA
314 static void ex_normal __ARGS((exarg_T *eap));
315 static void ex_startinsert __ARGS((exarg_T *eap));
316 static void ex_stopinsert __ARGS((exarg_T *eap));
317 #else
318 # define ex_normal ex_ni
319 # define ex_align ex_ni
320 # define ex_retab ex_ni
321 # define ex_startinsert ex_ni
322 # define ex_stopinsert ex_ni
323 # define ex_helptags ex_ni
324 # define ex_sort ex_ni
325 #endif
326 #ifdef FEAT_FIND_ID
327 static void ex_checkpath __ARGS((exarg_T *eap));
328 static void ex_findpat __ARGS((exarg_T *eap));
329 #else
330 # define ex_findpat ex_ni
331 # define ex_checkpath ex_ni
332 #endif
333 #if defined(FEAT_FIND_ID) && defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX)
334 static void ex_psearch __ARGS((exarg_T *eap));
335 #else
336 # define ex_psearch ex_ni
337 #endif
338 static void ex_tag __ARGS((exarg_T *eap));
339 static void ex_tag_cmd __ARGS((exarg_T *eap, char_u *name));
340 #ifndef FEAT_EVAL
341 # define ex_scriptnames ex_ni
342 # define ex_finish ex_ni
343 # define ex_echo ex_ni
344 # define ex_echohl ex_ni
345 # define ex_execute ex_ni
346 # define ex_call ex_ni
347 # define ex_if ex_ni
348 # define ex_endif ex_ni
349 # define ex_else ex_ni
350 # define ex_while ex_ni
351 # define ex_for ex_ni
352 # define ex_continue ex_ni
353 # define ex_break ex_ni
354 # define ex_endwhile ex_ni
355 # define ex_endfor ex_ni
356 # define ex_throw ex_ni
357 # define ex_try ex_ni
358 # define ex_catch ex_ni
359 # define ex_finally ex_ni
360 # define ex_endtry ex_ni
361 # define ex_endfunction ex_ni
362 # define ex_let ex_ni
363 # define ex_unlet ex_ni
364 # define ex_lockvar ex_ni
365 # define ex_unlockvar ex_ni
366 # define ex_function ex_ni
367 # define ex_delfunction ex_ni
368 # define ex_return ex_ni
369 #endif
370 static char_u *arg_all __ARGS((void));
371 #ifdef FEAT_SESSION
372 static int makeopens __ARGS((FILE *fd, char_u *dirnow));
373 static int put_view __ARGS((FILE *fd, win_T *wp, int add_edit, unsigned *flagp, int current_arg_idx));
374 static void ex_loadview __ARGS((exarg_T *eap));
375 static char_u *get_view_file __ARGS((int c));
376 static int did_lcd; /* whether ":lcd" was produced for a session */
377 #else
378 # define ex_loadview ex_ni
379 #endif
380 #ifndef FEAT_EVAL
381 # define ex_compiler ex_ni
382 #endif
383 #ifdef FEAT_VIMINFO
384 static void ex_viminfo __ARGS((exarg_T *eap));
385 #else
386 # define ex_viminfo ex_ni
387 #endif
388 static void ex_behave __ARGS((exarg_T *eap));
389 #ifdef FEAT_AUTOCMD
390 static void ex_filetype __ARGS((exarg_T *eap));
391 static void ex_setfiletype __ARGS((exarg_T *eap));
392 #else
393 # define ex_filetype ex_ni
394 # define ex_setfiletype ex_ni
395 #endif
396 #ifndef FEAT_DIFF
397 # define ex_diffoff ex_ni
398 # define ex_diffpatch ex_ni
399 # define ex_diffgetput ex_ni
400 # define ex_diffsplit ex_ni
401 # define ex_diffthis ex_ni
402 # define ex_diffupdate ex_ni
403 #endif
404 static void ex_digraphs __ARGS((exarg_T *eap));
405 static void ex_set __ARGS((exarg_T *eap));
406 #if !defined(FEAT_EVAL) || !defined(FEAT_AUTOCMD)
407 # define ex_options ex_ni
408 #endif
409 #ifdef FEAT_SEARCH_EXTRA
410 static void ex_nohlsearch __ARGS((exarg_T *eap));
411 static void ex_match __ARGS((exarg_T *eap));
412 #else
413 # define ex_nohlsearch ex_ni
414 # define ex_match ex_ni
415 #endif
416 #ifdef FEAT_CRYPT
417 static void ex_X __ARGS((exarg_T *eap));
418 #else
419 # define ex_X ex_ni
420 #endif
421 #ifdef FEAT_FOLDING
422 static void ex_fold __ARGS((exarg_T *eap));
423 static void ex_foldopen __ARGS((exarg_T *eap));
424 static void ex_folddo __ARGS((exarg_T *eap));
425 #else
426 # define ex_fold ex_ni
427 # define ex_foldopen ex_ni
428 # define ex_folddo ex_ni
429 #endif
430 #if !((defined(HAVE_LOCALE_H) || defined(X_LOCALE)) \
431 && (defined(FEAT_GETTEXT) || defined(FEAT_MBYTE)))
432 # define ex_language ex_ni
433 #endif
434 #ifndef FEAT_SIGNS
435 # define ex_sign ex_ni
436 #endif
437 #ifndef FEAT_SUN_WORKSHOP
438 # define ex_wsverb ex_ni
439 #endif
440 #ifndef FEAT_NETBEANS_INTG
441 # define ex_nbkey ex_ni
442 #endif
443
444 #ifndef FEAT_EVAL
445 # define ex_debug ex_ni
446 # define ex_breakadd ex_ni
447 # define ex_debuggreedy ex_ni
448 # define ex_breakdel ex_ni
449 # define ex_breaklist ex_ni
450 #endif
451
452 #ifndef FEAT_CMDHIST
453 # define ex_history ex_ni
454 #endif
455 #ifndef FEAT_JUMPLIST
456 # define ex_jumps ex_ni
457 # define ex_changes ex_ni
458 #endif
459
460 #ifndef FEAT_PROFILE
461 # define ex_profile ex_ni
462 #endif
463
464 #ifndef FEAT_GUI_MACVIM
465 # define ex_macaction ex_ni
466 # define ex_macmenu ex_ni
467 #endif
468
469 /*
470 * Declare cmdnames[].
471 */
472 #define DO_DECLARE_EXCMD
473 #include "ex_cmds.h"
474
475 /*
476 * Table used to quickly search for a command, based on its first character.
477 */
478 static cmdidx_T cmdidxs[27] =
479 {
480 CMD_append,
481 CMD_buffer,
482 CMD_change,
483 CMD_delete,
484 CMD_edit,
485 CMD_file,
486 CMD_global,
487 CMD_help,
488 CMD_insert,
489 CMD_join,
490 CMD_k,
491 CMD_list,
492 CMD_move,
493 CMD_next,
494 CMD_open,
495 CMD_print,
496 CMD_quit,
497 CMD_read,
498 CMD_substitute,
499 CMD_t,
500 CMD_undo,
501 CMD_vglobal,
502 CMD_write,
503 CMD_xit,
504 CMD_yank,
505 CMD_z,
506 CMD_bang
507 };
508
509 static char_u dollar_command[2] = {'$', 0};
510
511
512 #ifdef FEAT_EVAL
513 /* Struct for storing a line inside a while/for loop */
514 typedef struct
515 {
516 char_u *line; /* command line */
517 linenr_T lnum; /* sourcing_lnum of the line */
518 } wcmd_T;
519
520 /*
521 * Structure used to store info for line position in a while or for loop.
522 * This is required, because do_one_cmd() may invoke ex_function(), which
523 * reads more lines that may come from the while/for loop.
524 */
525 struct loop_cookie
526 {
527 garray_T *lines_gap; /* growarray with line info */
528 int current_line; /* last read line from growarray */
529 int repeating; /* TRUE when looping a second time */
530 /* When "repeating" is FALSE use "getline" and "cookie" to get lines */
531 char_u *(*getline) __ARGS((int, void *, int));
532 void *cookie;
533 };
534
535 static char_u *get_loop_line __ARGS((int c, void *cookie, int indent));
536 static int store_loop_line __ARGS((garray_T *gap, char_u *line));
537 static void free_cmdlines __ARGS((garray_T *gap));
538
539 /* Struct to save a few things while debugging. Used in do_cmdline() only. */
540 struct dbg_stuff
541 {
542 int trylevel;
543 int force_abort;
544 except_T *caught_stack;
545 char_u *vv_exception;
546 char_u *vv_throwpoint;
547 int did_emsg;
548 int got_int;
549 int did_throw;
550 int need_rethrow;
551 int check_cstack;
552 except_T *current_exception;
553 };
554
555 static void save_dbg_stuff __ARGS((struct dbg_stuff *dsp));
556 static void restore_dbg_stuff __ARGS((struct dbg_stuff *dsp));
557
558 static void
559 save_dbg_stuff(dsp)
560 struct dbg_stuff *dsp;
561 {
562 dsp->trylevel = trylevel; trylevel = 0;
563 dsp->force_abort = force_abort; force_abort = FALSE;
564 dsp->caught_stack = caught_stack; caught_stack = NULL;
565 dsp->vv_exception = v_exception(NULL);
566 dsp->vv_throwpoint = v_throwpoint(NULL);
567
568 /* Necessary for debugging an inactive ":catch", ":finally", ":endtry" */
569 dsp->did_emsg = did_emsg; did_emsg = FALSE;
570 dsp->got_int = got_int; got_int = FALSE;
571 dsp->did_throw = did_throw; did_throw = FALSE;
572 dsp->need_rethrow = need_rethrow; need_rethrow = FALSE;
573 dsp->check_cstack = check_cstack; check_cstack = FALSE;
574 dsp->current_exception = current_exception; current_exception = NULL;
575 }
576
577 static void
578 restore_dbg_stuff(dsp)
579 struct dbg_stuff *dsp;
580 {
581 suppress_errthrow = FALSE;
582 trylevel = dsp->trylevel;
583 force_abort = dsp->force_abort;
584 caught_stack = dsp->caught_stack;
585 (void)v_exception(dsp->vv_exception);
586 (void)v_throwpoint(dsp->vv_throwpoint);
587 did_emsg = dsp->did_emsg;
588 got_int = dsp->got_int;
589 did_throw = dsp->did_throw;
590 need_rethrow = dsp->need_rethrow;
591 check_cstack = dsp->check_cstack;
592 current_exception = dsp->current_exception;
593 }
594 #endif
595
596
597 /*
598 * do_exmode(): Repeatedly get commands for the "Ex" mode, until the ":vi"
599 * command is given.
600 */
601 void
602 do_exmode(improved)
603 int improved; /* TRUE for "improved Ex" mode */
604 {
605 int save_msg_scroll;
606 int prev_msg_row;
607 linenr_T prev_line;
608 int changedtick;
609
610 if (improved)
611 exmode_active = EXMODE_VIM;
612 else
613 exmode_active = EXMODE_NORMAL;
614 State = NORMAL;
615
616 /* When using ":global /pat/ visual" and then "Q" we return to continue
617 * the :global command. */
618 if (global_busy)
619 return;
620
621 save_msg_scroll = msg_scroll;
622 ++RedrawingDisabled; /* don't redisplay the window */
623 ++no_wait_return; /* don't wait for return */
624 #ifdef FEAT_GUI
625 /* Ignore scrollbar and mouse events in Ex mode */
626 ++hold_gui_events;
627 #endif
628 #ifdef FEAT_SNIFF
629 want_sniff_request = 0; /* No K_SNIFF wanted */
630 #endif
631
632 MSG(_("Entering Ex mode. Type \"visual\" to go to Normal mode."));
633 while (exmode_active)
634 {
635 #ifdef FEAT_EX_EXTRA
636 /* Check for a ":normal" command and no more characters left. */
637 if (ex_normal_busy > 0 && typebuf.tb_len == 0)
638 {
639 exmode_active = FALSE;
640 break;
641 }
642 #endif
643 msg_scroll = TRUE;
644 need_wait_return = FALSE;
645 ex_pressedreturn = FALSE;
646 ex_no_reprint = FALSE;
647 changedtick = curbuf->b_changedtick;
648 prev_msg_row = msg_row;
649 prev_line = curwin->w_cursor.lnum;
650 #ifdef FEAT_SNIFF
651 ProcessSniffRequests();
652 #endif
653 if (improved)
654 {
655 cmdline_row = msg_row;
656 do_cmdline(NULL, getexline, NULL, 0);
657 }
658 else
659 do_cmdline(NULL, getexmodeline, NULL, DOCMD_NOWAIT);
660 lines_left = Rows - 1;
661
662 if ((prev_line != curwin->w_cursor.lnum
663 || changedtick != curbuf->b_changedtick) && !ex_no_reprint)
664 {
665 if (curbuf->b_ml.ml_flags & ML_EMPTY)
666 EMSG(_(e_emptybuf));
667 else
668 {
669 if (ex_pressedreturn)
670 {
671 /* go up one line, to overwrite the ":<CR>" line, so the
672 * output doesn't contain empty lines. */
673 msg_row = prev_msg_row;
674 if (prev_msg_row == Rows - 1)
675 msg_row--;
676 }
677 msg_col = 0;
678 print_line_no_prefix(curwin->w_cursor.lnum, FALSE, FALSE);
679 msg_clr_eos();
680 }
681 }
682 else if (ex_pressedreturn && !ex_no_reprint) /* must be at EOF */
683 {
684 if (curbuf->b_ml.ml_flags & ML_EMPTY)
685 EMSG(_(e_emptybuf));
686 else
687 EMSG(_("E501: At end-of-file"));
688 }
689 }
690
691 #ifdef FEAT_GUI
692 --hold_gui_events;
693 #endif
694 --RedrawingDisabled;
695 --no_wait_return;
696 update_screen(CLEAR);
697 need_wait_return = FALSE;
698 msg_scroll = save_msg_scroll;
699 }
700
701 /*
702 * Execute a simple command line. Used for translated commands like "*".
703 */
704 int
705 do_cmdline_cmd(cmd)
706 char_u *cmd;
707 {
708 return do_cmdline(cmd, NULL, NULL,
709 DOCMD_VERBOSE|DOCMD_NOWAIT|DOCMD_KEYTYPED);
710 }
711
712 /*
713 * do_cmdline(): execute one Ex command line
714 *
715 * 1. Execute "cmdline" when it is not NULL.
716 * If "cmdline" is NULL, or more lines are needed, getline() is used.
717 * 2. Split up in parts separated with '|'.
718 *
719 * This function can be called recursively!
720 *
721 * flags:
722 * DOCMD_VERBOSE - The command will be included in the error message.
723 * DOCMD_NOWAIT - Don't call wait_return() and friends.
724 * DOCMD_REPEAT - Repeat execution until getline() returns NULL.
725 * DOCMD_KEYTYPED - Don't reset KeyTyped.
726 * DOCMD_EXCRESET - Reset the exception environment (used for debugging).
727 * DOCMD_KEEPLINE - Store first typed line (for repeating with ".").
728 *
729 * return FAIL if cmdline could not be executed, OK otherwise
730 */
731 int
732 do_cmdline(cmdline, getline, cookie, flags)
733 char_u *cmdline;
734 char_u *(*getline) __ARGS((int, void *, int));
735 void *cookie; /* argument for getline() */
736 int flags;
737 {
738 char_u *next_cmdline; /* next cmd to execute */
739 char_u *cmdline_copy = NULL; /* copy of cmd line */
740 int used_getline = FALSE; /* used "getline" to obtain command */
741 static int recursive = 0; /* recursive depth */
742 int msg_didout_before_start = 0;
743 int count = 0; /* line number count */
744 int did_inc = FALSE; /* incremented RedrawingDisabled */
745 int retval = OK;
746 #ifdef FEAT_EVAL
747 struct condstack cstack; /* conditional stack */
748 garray_T lines_ga; /* keep lines for ":while"/":for" */
749 int current_line = 0; /* active line in lines_ga */
750 char_u *fname = NULL; /* function or script name */
751 linenr_T *breakpoint = NULL; /* ptr to breakpoint field in cookie */
752 int *dbg_tick = NULL; /* ptr to dbg_tick field in cookie */
753 struct dbg_stuff debug_saved; /* saved things for debug mode */
754 int initial_trylevel;
755 struct msglist **saved_msg_list = NULL;
756 struct msglist *private_msg_list;
757
758 /* "getline" and "cookie" passed to do_one_cmd() */
759 char_u *(*cmd_getline) __ARGS((int, void *, int));
760 void *cmd_cookie;
761 struct loop_cookie cmd_loop_cookie;
762 void *real_cookie;
763 int getline_is_func;
764 #else
765 # define cmd_getline getline
766 # define cmd_cookie cookie
767 #endif
768 static int call_depth = 0; /* recursiveness */
769
770 #ifdef FEAT_EVAL
771 /* For every pair of do_cmdline()/do_one_cmd() calls, use an extra memory
772 * location for storing error messages to be converted to an exception.
773 * This ensures that the do_errthrow() call in do_one_cmd() does not
774 * combine the messages stored by an earlier invocation of do_one_cmd()
775 * with the command name of the later one. This would happen when
776 * BufWritePost autocommands are executed after a write error. */
777 saved_msg_list = msg_list;
778 msg_list = &private_msg_list;
779 private_msg_list = NULL;
780 #endif
781
782 /* It's possible to create an endless loop with ":execute", catch that
783 * here. The value of 200 allows nested function calls, ":source", etc. */
784 if (call_depth == 200)
785 {
786 EMSG(_("E169: Command too recursive"));
787 #ifdef FEAT_EVAL
788 /* When converting to an exception, we do not include the command name
789 * since this is not an error of the specific command. */
790 do_errthrow((struct condstack *)NULL, (char_u *)NULL);
791 msg_list = saved_msg_list;
792 #endif
793 return FAIL;
794 }
795 ++call_depth;
796
797 #ifdef FEAT_EVAL
798 cstack.cs_idx = -1;
799 cstack.cs_looplevel = 0;
800 cstack.cs_trylevel = 0;
801 cstack.cs_emsg_silent_list = NULL;
802 cstack.cs_lflags = 0;
803 ga_init2(&lines_ga, (int)sizeof(wcmd_T), 10);
804
805 real_cookie = getline_cookie(getline, cookie);
806
807 /* Inside a function use a higher nesting level. */
808 getline_is_func = getline_equal(getline, cookie, get_func_line);
809 if (getline_is_func && ex_nesting_level == func_level(real_cookie))
810 ++ex_nesting_level;
811
812 /* Get the function or script name and the address where the next breakpoint
813 * line and the debug tick for a function or script are stored. */
814 if (getline_is_func)
815 {
816 fname = func_name(real_cookie);
817 breakpoint = func_breakpoint(real_cookie);
818 dbg_tick = func_dbg_tick(real_cookie);
819 }
820 else if (getline_equal(getline, cookie, getsourceline))
821 {
822 fname = sourcing_name;
823 breakpoint = source_breakpoint(real_cookie);
824 dbg_tick = source_dbg_tick(real_cookie);
825 }
826
827 /*
828 * Initialize "force_abort" and "suppress_errthrow" at the top level.
829 */
830 if (!recursive)
831 {
832 force_abort = FALSE;
833 suppress_errthrow = FALSE;
834 }
835
836 /*
837 * If requested, store and reset the global values controlling the
838 * exception handling (used when debugging). Otherwise clear it to avoid
839 * a bogus compiler warning when the optimizer uses inline functions...
840 */
841 if (flags & DOCMD_EXCRESET)
842 save_dbg_stuff(&debug_saved);
843 else
844 memset(&debug_saved, 0, 1);
845
846 initial_trylevel = trylevel;
847
848 /*
849 * "did_throw" will be set to TRUE when an exception is being thrown.
850 */
851 did_throw = FALSE;
852 #endif
853 /*
854 * "did_emsg" will be set to TRUE when emsg() is used, in which case we
855 * cancel the whole command line, and any if/endif or loop.
856 * If force_abort is set, we cancel everything.
857 */
858 did_emsg = FALSE;
859
860 /*
861 * KeyTyped is only set when calling vgetc(). Reset it here when not
862 * calling vgetc() (sourced command lines).
863 */
864 if (!(flags & DOCMD_KEYTYPED) && !getline_equal(getline, cookie, getexline))
865 KeyTyped = FALSE;
866
867 /*
868 * Continue executing command lines:
869 * - when inside an ":if", ":while" or ":for"
870 * - for multiple commands on one line, separated with '|'
871 * - when repeating until there are no more lines (for ":source")
872 */
873 next_cmdline = cmdline;
874 do
875 {
876 #ifdef FEAT_EVAL
877 getline_is_func = getline_equal(getline, cookie, get_func_line);
878 #endif
879
880 /* stop skipping cmds for an error msg after all endif/while/for */
881 if (next_cmdline == NULL
882 #ifdef FEAT_EVAL
883 && !force_abort
884 && cstack.cs_idx < 0
885 && !(getline_is_func && func_has_abort(real_cookie))
886 #endif
887 )
888 did_emsg = FALSE;
889
890 /*
891 * 1. If repeating a line in a loop, get a line from lines_ga.
892 * 2. If no line given: Get an allocated line with getline().
893 * 3. If a line is given: Make a copy, so we can mess with it.
894 */
895
896 #ifdef FEAT_EVAL
897 /* 1. If repeating, get a previous line from lines_ga. */
898 if (cstack.cs_looplevel > 0 && current_line < lines_ga.ga_len)
899 {
900 /* Each '|' separated command is stored separately in lines_ga, to
901 * be able to jump to it. Don't use next_cmdline now. */
902 vim_free(cmdline_copy);
903 cmdline_copy = NULL;
904
905 /* Check if a function has returned or, unless it has an unclosed
906 * try conditional, aborted. */
907 if (getline_is_func)
908 {
909 # ifdef FEAT_PROFILE
910 if (do_profiling == PROF_YES)
911 func_line_end(real_cookie);
912 # endif
913 if (func_has_ended(real_cookie))
914 {
915 retval = FAIL;
916 break;
917 }
918 }
919 #ifdef FEAT_PROFILE
920 else if (do_profiling == PROF_YES
921 && getline_equal(getline, cookie, getsourceline))
922 script_line_end();
923 #endif
924
925 /* Check if a sourced file hit a ":finish" command. */
926 if (source_finished(getline, cookie))
927 {
928 retval = FAIL;
929 break;
930 }
931
932 /* If breakpoints have been added/deleted need to check for it. */
933 if (breakpoint != NULL && dbg_tick != NULL
934 && *dbg_tick != debug_tick)
935 {
936 *breakpoint = dbg_find_breakpoint(
937 getline_equal(getline, cookie, getsourceline),
938 fname, sourcing_lnum);
939 *dbg_tick = debug_tick;
940 }
941
942 next_cmdline = ((wcmd_T *)(lines_ga.ga_data))[current_line].line;
943 sourcing_lnum = ((wcmd_T *)(lines_ga.ga_data))[current_line].lnum;
944
945 /* Did we encounter a breakpoint? */
946 if (breakpoint != NULL && *breakpoint != 0
947 && *breakpoint <= sourcing_lnum)
948 {
949 dbg_breakpoint(fname, sourcing_lnum);
950 /* Find next breakpoint. */
951 *breakpoint = dbg_find_breakpoint(
952 getline_equal(getline, cookie, getsourceline),
953 fname, sourcing_lnum);
954 *dbg_tick = debug_tick;
955 }
956 # ifdef FEAT_PROFILE
957 if (do_profiling == PROF_YES)
958 {
959 if (getline_is_func)
960 func_line_start(real_cookie);
961 else if (getline_equal(getline, cookie, getsourceline))
962 script_line_start();
963 }
964 # endif
965 }
966
967 if (cstack.cs_looplevel > 0)
968 {
969 /* Inside a while/for loop we need to store the lines and use them
970 * again. Pass a different "getline" function to do_one_cmd()
971 * below, so that it stores lines in or reads them from
972 * "lines_ga". Makes it possible to define a function inside a
973 * while/for loop. */
974 cmd_getline = get_loop_line;
975 cmd_cookie = (void *)&cmd_loop_cookie;
976 cmd_loop_cookie.lines_gap = &lines_ga;
977 cmd_loop_cookie.current_line = current_line;
978 cmd_loop_cookie.getline = getline;
979 cmd_loop_cookie.cookie = cookie;
980 cmd_loop_cookie.repeating = (current_line < lines_ga.ga_len);
981 }
982 else
983 {
984 cmd_getline = getline;
985 cmd_cookie = cookie;
986 }
987 #endif
988
989 /* 2. If no line given, get an allocated line with getline(). */
990 if (next_cmdline == NULL)
991 {
992 /*
993 * Need to set msg_didout for the first line after an ":if",
994 * otherwise the ":if" will be overwritten.
995 */
996 if (count == 1 && getline_equal(getline, cookie, getexline))
997 msg_didout = TRUE;
998 if (getline == NULL || (next_cmdline = getline(':', cookie,
999 #ifdef FEAT_EVAL
1000 cstack.cs_idx < 0 ? 0 : (cstack.cs_idx + 1) * 2
1001 #else
1002 0
1003 #endif
1004 )) == NULL)
1005 {
1006 /* Don't call wait_return for aborted command line. The NULL
1007 * returned for the end of a sourced file or executed function
1008 * doesn't do this. */
1009 if (KeyTyped && !(flags & DOCMD_REPEAT))
1010 need_wait_return = FALSE;
1011 retval = FAIL;
1012 break;
1013 }
1014 used_getline = TRUE;
1015
1016 /*
1017 * Keep the first typed line. Clear it when more lines are typed.
1018 */
1019 if (flags & DOCMD_KEEPLINE)
1020 {
1021 vim_free(repeat_cmdline);
1022 if (count == 0)
1023 repeat_cmdline = vim_strsave(next_cmdline);
1024 else
1025 repeat_cmdline = NULL;
1026 }
1027 }
1028
1029 /* 3. Make a copy of the command so we can mess with it. */
1030 else if (cmdline_copy == NULL)
1031 {
1032 next_cmdline = vim_strsave(next_cmdline);
1033 if (next_cmdline == NULL)
1034 {
1035 EMSG(_(e_outofmem));
1036 retval = FAIL;
1037 break;
1038 }
1039 }
1040 cmdline_copy = next_cmdline;
1041
1042 #ifdef FEAT_EVAL
1043 /*
1044 * Save the current line when inside a ":while" or ":for", and when
1045 * the command looks like a ":while" or ":for", because we may need it
1046 * later. When there is a '|' and another command, it is stored
1047 * separately, because we need to be able to jump back to it from an
1048 * :endwhile/:endfor.
1049 */
1050 if (current_line == lines_ga.ga_len
1051 && (cstack.cs_looplevel || has_loop_cmd(next_cmdline)))
1052 {
1053 if (store_loop_line(&lines_ga, next_cmdline) == FAIL)
1054 {
1055 retval = FAIL;
1056 break;
1057 }
1058 }
1059 did_endif = FALSE;
1060 #endif
1061
1062 if (count++ == 0)
1063 {
1064 /*
1065 * All output from the commands is put below each other, without
1066 * waiting for a return. Don't do this when executing commands
1067 * from a script or when being called recursive (e.g. for ":e
1068 * +command file").
1069 */
1070 if (!(flags & DOCMD_NOWAIT) && !recursive)
1071 {
1072 msg_didout_before_start = msg_didout;
1073 msg_didany = FALSE; /* no output yet */
1074 msg_start();
1075 msg_scroll = TRUE; /* put messages below each other */
1076 ++no_wait_return; /* dont wait for return until finished */
1077 ++RedrawingDisabled;
1078 did_inc = TRUE;
1079 }
1080 }
1081
1082 if (p_verbose >= 15 && sourcing_name != NULL)
1083 {
1084 ++no_wait_return;
1085 verbose_enter_scroll();
1086
1087 smsg((char_u *)_("line %ld: %s"),
1088 (long)sourcing_lnum, cmdline_copy);
1089 if (msg_silent == 0)
1090 msg_puts((char_u *)"\n"); /* don't overwrite this */
1091
1092 verbose_leave_scroll();
1093 --no_wait_return;
1094 }
1095
1096 /*
1097 * 2. Execute one '|' separated command.
1098 * do_one_cmd() will return NULL if there is no trailing '|'.
1099 * "cmdline_copy" can change, e.g. for '%' and '#' expansion.
1100 */
1101 ++recursive;
1102 next_cmdline = do_one_cmd(&cmdline_copy, flags & DOCMD_VERBOSE,
1103 #ifdef FEAT_EVAL
1104 &cstack,
1105 #endif
1106 cmd_getline, cmd_cookie);
1107 --recursive;
1108
1109 #ifdef FEAT_EVAL
1110 if (cmd_cookie == (void *)&cmd_loop_cookie)
1111 /* Use "current_line" from "cmd_loop_cookie", it may have been
1112 * incremented when defining a function. */
1113 current_line = cmd_loop_cookie.current_line;
1114 #endif
1115
1116 if (next_cmdline == NULL)
1117 {
1118 vim_free(cmdline_copy);
1119 cmdline_copy = NULL;
1120 #ifdef FEAT_CMDHIST
1121 /*
1122 * If the command was typed, remember it for the ':' register.
1123 * Do this AFTER executing the command to make :@: work.
1124 */
1125 if (getline_equal(getline, cookie, getexline)
1126 && new_last_cmdline != NULL)
1127 {
1128 vim_free(last_cmdline);
1129 last_cmdline = new_last_cmdline;
1130 new_last_cmdline = NULL;
1131 }
1132 #endif
1133 }
1134 else
1135 {
1136 /* need to copy the command after the '|' to cmdline_copy, for the
1137 * next do_one_cmd() */
1138 STRMOVE(cmdline_copy, next_cmdline);
1139 next_cmdline = cmdline_copy;
1140 }
1141
1142
1143 #ifdef FEAT_EVAL
1144 /* reset did_emsg for a function that is not aborted by an error */
1145 if (did_emsg && !force_abort
1146 && getline_equal(getline, cookie, get_func_line)
1147 && !func_has_abort(real_cookie))
1148 did_emsg = FALSE;
1149
1150 if (cstack.cs_looplevel > 0)
1151 {
1152 ++current_line;
1153
1154 /*
1155 * An ":endwhile", ":endfor" and ":continue" is handled here.
1156 * If we were executing commands, jump back to the ":while" or
1157 * ":for".
1158 * If we were not executing commands, decrement cs_looplevel.
1159 */
1160 if (cstack.cs_lflags & (CSL_HAD_CONT | CSL_HAD_ENDLOOP))
1161 {
1162 cstack.cs_lflags &= ~(CSL_HAD_CONT | CSL_HAD_ENDLOOP);
1163
1164 /* Jump back to the matching ":while" or ":for". Be careful
1165 * not to use a cs_line[] from an entry that isn't a ":while"
1166 * or ":for": It would make "current_line" invalid and can
1167 * cause a crash. */
1168 if (!did_emsg && !got_int && !did_throw
1169 && cstack.cs_idx >= 0
1170 && (cstack.cs_flags[cstack.cs_idx]
1171 & (CSF_WHILE | CSF_FOR))
1172 && cstack.cs_line[cstack.cs_idx] >= 0
1173 && (cstack.cs_flags[cstack.cs_idx] & CSF_ACTIVE))
1174 {
1175 current_line = cstack.cs_line[cstack.cs_idx];
1176 /* remember we jumped there */
1177 cstack.cs_lflags |= CSL_HAD_LOOP;
1178 line_breakcheck(); /* check if CTRL-C typed */
1179
1180 /* Check for the next breakpoint at or after the ":while"
1181 * or ":for". */
1182 if (breakpoint != NULL)
1183 {
1184 *breakpoint = dbg_find_breakpoint(
1185 getline_equal(getline, cookie, getsourceline),
1186 fname,
1187 ((wcmd_T *)lines_ga.ga_data)[current_line].lnum-1);
1188 *dbg_tick = debug_tick;
1189 }
1190 }
1191 else
1192 {
1193 /* can only get here with ":endwhile" or ":endfor" */
1194 if (cstack.cs_idx >= 0)
1195 rewind_conditionals(&cstack, cstack.cs_idx - 1,
1196 CSF_WHILE | CSF_FOR, &cstack.cs_looplevel);
1197 }
1198 }
1199
1200 /*
1201 * For a ":while" or ":for" we need to remember the line number.
1202 */
1203 else if (cstack.cs_lflags & CSL_HAD_LOOP)
1204 {
1205 cstack.cs_lflags &= ~CSL_HAD_LOOP;
1206 cstack.cs_line[cstack.cs_idx] = current_line - 1;
1207 }
1208 }
1209
1210 /*
1211 * When not inside any ":while" loop, clear remembered lines.
1212 */
1213 if (cstack.cs_looplevel == 0)
1214 {
1215 if (lines_ga.ga_len > 0)
1216 {
1217 sourcing_lnum =
1218 ((wcmd_T *)lines_ga.ga_data)[lines_ga.ga_len - 1].lnum;
1219 free_cmdlines(&lines_ga);
1220 }
1221 current_line = 0;
1222 }
1223
1224 /*
1225 * A ":finally" makes did_emsg, got_int, and did_throw pending for
1226 * being restored at the ":endtry". Reset them here and set the
1227 * ACTIVE and FINALLY flags, so that the finally clause gets executed.
1228 * This includes the case where a missing ":endif", ":endwhile" or
1229 * ":endfor" was detected by the ":finally" itself.
1230 */
1231 if (cstack.cs_lflags & CSL_HAD_FINA)
1232 {
1233 cstack.cs_lflags &= ~CSL_HAD_FINA;
1234 report_make_pending(cstack.cs_pending[cstack.cs_idx]
1235 & (CSTP_ERROR | CSTP_INTERRUPT | CSTP_THROW),
1236 did_throw ? (void *)current_exception : NULL);
1237 did_emsg = got_int = did_throw = FALSE;
1238 cstack.cs_flags[cstack.cs_idx] |= CSF_ACTIVE | CSF_FINALLY;
1239 }
1240
1241 /* Update global "trylevel" for recursive calls to do_cmdline() from
1242 * within this loop. */
1243 trylevel = initial_trylevel + cstack.cs_trylevel;
1244
1245 /*
1246 * If the outermost try conditional (across function calls and sourced
1247 * files) is aborted because of an error, an interrupt, or an uncaught
1248 * exception, cancel everything. If it is left normally, reset
1249 * force_abort to get the non-EH compatible abortion behavior for
1250 * the rest of the script.
1251 */
1252 if (trylevel == 0 && !did_emsg && !got_int && !did_throw)
1253 force_abort = FALSE;
1254
1255 /* Convert an interrupt to an exception if appropriate. */
1256 (void)do_intthrow(&cstack);
1257 #endif /* FEAT_EVAL */
1258
1259 }
1260 /*
1261 * Continue executing command lines when:
1262 * - no CTRL-C typed, no aborting error, no exception thrown or try
1263 * conditionals need to be checked for executing finally clauses or
1264 * catching an interrupt exception
1265 * - didn't get an error message or lines are not typed
1266 * - there is a command after '|', inside a :if, :while, :for or :try, or
1267 * looping for ":source" command or function call.
1268 */
1269 while (!((got_int
1270 #ifdef FEAT_EVAL
1271 || (did_emsg && force_abort) || did_throw
1272 #endif
1273 )
1274 #ifdef FEAT_EVAL
1275 && cstack.cs_trylevel == 0
1276 #endif
1277 )
1278 && !(did_emsg && used_getline
1279 && (getline_equal(getline, cookie, getexmodeline)
1280 || getline_equal(getline, cookie, getexline)))
1281 && (next_cmdline != NULL
1282 #ifdef FEAT_EVAL
1283 || cstack.cs_idx >= 0
1284 #endif
1285 || (flags & DOCMD_REPEAT)));
1286
1287 vim_free(cmdline_copy);
1288 #ifdef FEAT_EVAL
1289 free_cmdlines(&lines_ga);
1290 ga_clear(&lines_ga);
1291
1292 if (cstack.cs_idx >= 0)
1293 {
1294 /*
1295 * If a sourced file or executed function ran to its end, report the
1296 * unclosed conditional.
1297 */
1298 if (!got_int && !did_throw
1299 && ((getline_equal(getline, cookie, getsourceline)
1300 && !source_finished(getline, cookie))
1301 || (getline_equal(getline, cookie, get_func_line)
1302 && !func_has_ended(real_cookie))))
1303 {
1304 if (cstack.cs_flags[cstack.cs_idx] & CSF_TRY)
1305 EMSG(_(e_endtry));
1306 else if (cstack.cs_flags[cstack.cs_idx] & CSF_WHILE)
1307 EMSG(_(e_endwhile));
1308 else if (cstack.cs_flags[cstack.cs_idx] & CSF_FOR)
1309 EMSG(_(e_endfor));
1310 else
1311 EMSG(_(e_endif));
1312 }
1313
1314 /*
1315 * Reset "trylevel" in case of a ":finish" or ":return" or a missing
1316 * ":endtry" in a sourced file or executed function. If the try
1317 * conditional is in its finally clause, ignore anything pending.
1318 * If it is in a catch clause, finish the caught exception.
1319 * Also cleanup any "cs_forinfo" structures.
1320 */
1321 do
1322 {
1323 int idx = cleanup_conditionals(&cstack, 0, TRUE);
1324
1325 if (idx >= 0)
1326 --idx; /* remove try block not in its finally clause */
1327 rewind_conditionals(&cstack, idx, CSF_WHILE | CSF_FOR,
1328 &cstack.cs_looplevel);
1329 }
1330 while (cstack.cs_idx >= 0);
1331 trylevel = initial_trylevel;
1332 }
1333
1334 /* If a missing ":endtry", ":endwhile", ":endfor", or ":endif" or a memory
1335 * lack was reported above and the error message is to be converted to an
1336 * exception, do this now after rewinding the cstack. */
1337 do_errthrow(&cstack, getline_equal(getline, cookie, get_func_line)
1338 ? (char_u *)"endfunction" : (char_u *)NULL);
1339
1340 if (trylevel == 0)
1341 {
1342 /*
1343 * When an exception is being thrown out of the outermost try
1344 * conditional, discard the uncaught exception, disable the conversion
1345 * of interrupts or errors to exceptions, and ensure that no more
1346 * commands are executed.
1347 */
1348 if (did_throw)
1349 {
1350 void *p = NULL;
1351 char_u *saved_sourcing_name;
1352 int saved_sourcing_lnum;
1353 struct msglist *messages = NULL, *next;
1354
1355 /*
1356 * If the uncaught exception is a user exception, report it as an
1357 * error. If it is an error exception, display the saved error
1358 * message now. For an interrupt exception, do nothing; the
1359 * interrupt message is given elsewhere.
1360 */
1361 switch (current_exception->type)
1362 {
1363 case ET_USER:
1364 vim_snprintf((char *)IObuff, IOSIZE,
1365 _("E605: Exception not caught: %s"),
1366 current_exception->value);
1367 p = vim_strsave(IObuff);
1368 break;
1369 case ET_ERROR:
1370 messages = current_exception->messages;
1371 current_exception->messages = NULL;
1372 break;
1373 case ET_INTERRUPT:
1374 break;
1375 default:
1376 p = vim_strsave((char_u *)_(e_internal));
1377 }
1378
1379 saved_sourcing_name = sourcing_name;
1380 saved_sourcing_lnum = sourcing_lnum;
1381 sourcing_name = current_exception->throw_name;
1382 sourcing_lnum = current_exception->throw_lnum;
1383 current_exception->throw_name = NULL;
1384
1385 discard_current_exception(); /* uses IObuff if 'verbose' */
1386 suppress_errthrow = TRUE;
1387 force_abort = TRUE;
1388
1389 if (messages != NULL)
1390 {
1391 do
1392 {
1393 next = messages->next;
1394 emsg(messages->msg);
1395 vim_free(messages->msg);
1396 vim_free(messages);
1397 messages = next;
1398 }
1399 while (messages != NULL);
1400 }
1401 else if (p != NULL)
1402 {
1403 emsg(p);
1404 vim_free(p);
1405 }
1406 vim_free(sourcing_name);
1407 sourcing_name = saved_sourcing_name;
1408 sourcing_lnum = saved_sourcing_lnum;
1409 }
1410
1411 /*
1412 * On an interrupt or an aborting error not converted to an exception,
1413 * disable the conversion of errors to exceptions. (Interrupts are not
1414 * converted any more, here.) This enables also the interrupt message
1415 * when force_abort is set and did_emsg unset in case of an interrupt
1416 * from a finally clause after an error.
1417 */
1418 else if (got_int || (did_emsg && force_abort))
1419 suppress_errthrow = TRUE;
1420 }
1421
1422 /*
1423 * The current cstack will be freed when do_cmdline() returns. An uncaught
1424 * exception will have to be rethrown in the previous cstack. If a function
1425 * has just returned or a script file was just finished and the previous
1426 * cstack belongs to the same function or, respectively, script file, it
1427 * will have to be checked for finally clauses to be executed due to the
1428 * ":return" or ":finish". This is done in do_one_cmd().
1429 */
1430 if (did_throw)
1431 need_rethrow = TRUE;
1432 if ((getline_equal(getline, cookie, getsourceline)
1433 && ex_nesting_level > source_level(real_cookie))
1434 || (getline_equal(getline, cookie, get_func_line)
1435 && ex_nesting_level > func_level(real_cookie) + 1))
1436 {
1437 if (!did_throw)
1438 check_cstack = TRUE;
1439 }
1440 else
1441 {
1442 /* When leaving a function, reduce nesting level. */
1443 if (getline_equal(getline, cookie, get_func_line))
1444 --ex_nesting_level;
1445 /*
1446 * Go to debug mode when returning from a function in which we are
1447 * single-stepping.
1448 */
1449 if ((getline_equal(getline, cookie, getsourceline)
1450 || getline_equal(getline, cookie, get_func_line))
1451 && ex_nesting_level + 1 <= debug_break_level)
1452 do_debug(getline_equal(getline, cookie, getsourceline)
1453 ? (char_u *)_("End of sourced file")
1454 : (char_u *)_("End of function"));
1455 }
1456
1457 /*
1458 * Restore the exception environment (done after returning from the
1459 * debugger).
1460 */
1461 if (flags & DOCMD_EXCRESET)
1462 restore_dbg_stuff(&debug_saved);
1463
1464 msg_list = saved_msg_list;
1465 #endif /* FEAT_EVAL */
1466
1467 /*
1468 * If there was too much output to fit on the command line, ask the user to
1469 * hit return before redrawing the screen. With the ":global" command we do
1470 * this only once after the command is finished.
1471 */
1472 if (did_inc)
1473 {
1474 --RedrawingDisabled;
1475 --no_wait_return;
1476 msg_scroll = FALSE;
1477
1478 /*
1479 * When just finished an ":if"-":else" which was typed, no need to
1480 * wait for hit-return. Also for an error situation.
1481 */
1482 if (retval == FAIL
1483 #ifdef FEAT_EVAL
1484 || (did_endif && KeyTyped && !did_emsg)
1485 #endif
1486 )
1487 {
1488 need_wait_return = FALSE;
1489 msg_didany = FALSE; /* don't wait when restarting edit */
1490 }
1491 else if (need_wait_return)
1492 {
1493 /*
1494 * The msg_start() above clears msg_didout. The wait_return we do
1495 * here should not overwrite the command that may be shown before
1496 * doing that.
1497 */
1498 msg_didout |= msg_didout_before_start;
1499 wait_return(FALSE);
1500 }
1501 }
1502
1503 #ifndef FEAT_EVAL
1504 /*
1505 * Reset if_level, in case a sourced script file contains more ":if" than
1506 * ":endif" (could be ":if x | foo | endif").
1507 */
1508 if_level = 0;
1509 #endif
1510
1511 --call_depth;
1512 return retval;
1513 }
1514
1515 #ifdef FEAT_EVAL
1516 /*
1517 * Obtain a line when inside a ":while" or ":for" loop.
1518 */
1519 static char_u *
1520 get_loop_line(c, cookie, indent)
1521 int c;
1522 void *cookie;
1523 int indent;
1524 {
1525 struct loop_cookie *cp = (struct loop_cookie *)cookie;
1526 wcmd_T *wp;
1527 char_u *line;
1528
1529 if (cp->current_line + 1 >= cp->lines_gap->ga_len)
1530 {
1531 if (cp->repeating)
1532 return NULL; /* trying to read past ":endwhile"/":endfor" */
1533
1534 /* First time inside the ":while"/":for": get line normally. */
1535 if (cp->getline == NULL)
1536 line = getcmdline(c, 0L, indent);
1537 else
1538 line = cp->getline(c, cp->cookie, indent);
1539 if (line != NULL && store_loop_line(cp->lines_gap, line) == OK)
1540 ++cp->current_line;
1541
1542 return line;
1543 }
1544
1545 KeyTyped = FALSE;
1546 ++cp->current_line;
1547 wp = (wcmd_T *)(cp->lines_gap->ga_data) + cp->current_line;
1548 sourcing_lnum = wp->lnum;
1549 return vim_strsave(wp->line);
1550 }
1551
1552 /*
1553 * Store a line in "gap" so that a ":while" loop can execute it again.
1554 */
1555 static int
1556 store_loop_line(gap, line)
1557 garray_T *gap;
1558 char_u *line;
1559 {
1560 if (ga_grow(gap, 1) == FAIL)
1561 return FAIL;
1562 ((wcmd_T *)(gap->ga_data))[gap->ga_len].line = vim_strsave(line);
1563 ((wcmd_T *)(gap->ga_data))[gap->ga_len].lnum = sourcing_lnum;
1564 ++gap->ga_len;
1565 return OK;
1566 }
1567
1568 /*
1569 * Free the lines stored for a ":while" or ":for" loop.
1570 */
1571 static void
1572 free_cmdlines(gap)
1573 garray_T *gap;
1574 {
1575 while (gap->ga_len > 0)
1576 {
1577 vim_free(((wcmd_T *)(gap->ga_data))[gap->ga_len - 1].line);
1578 --gap->ga_len;
1579 }
1580 }
1581 #endif
1582
1583 /*
1584 * If "fgetline" is get_loop_line(), return TRUE if the getline it uses equals
1585 * "func". * Otherwise return TRUE when "fgetline" equals "func".
1586 */
1587 /*ARGSUSED*/
1588 int
1589 getline_equal(fgetline, cookie, func)
1590 char_u *(*fgetline) __ARGS((int, void *, int));
1591 void *cookie; /* argument for fgetline() */
1592 char_u *(*func) __ARGS((int, void *, int));
1593 {
1594 #ifdef FEAT_EVAL
1595 char_u *(*gp) __ARGS((int, void *, int));
1596 struct loop_cookie *cp;
1597
1598 /* When "fgetline" is "get_loop_line()" use the "cookie" to find the
1599 * function that's originally used to obtain the lines. This may be
1600 * nested several levels. */
1601 gp = fgetline;
1602 cp = (struct loop_cookie *)cookie;
1603 while (gp == get_loop_line)
1604 {
1605 gp = cp->getline;
1606 cp = cp->cookie;
1607 }
1608 return gp == func;
1609 #else
1610 return fgetline == func;
1611 #endif
1612 }
1613
1614 #if defined(FEAT_EVAL) || defined(FEAT_MBYTE) || defined(PROTO)
1615 /*
1616 * If "fgetline" is get_loop_line(), return the cookie used by the original
1617 * getline function. Otherwise return "cookie".
1618 */
1619 /*ARGSUSED*/
1620 void *
1621 getline_cookie(fgetline, cookie)
1622 char_u *(*fgetline) __ARGS((int, void *, int));
1623 void *cookie; /* argument for fgetline() */
1624 {
1625 # ifdef FEAT_EVAL
1626 char_u *(*gp) __ARGS((int, void *, int));
1627 struct loop_cookie *cp;
1628
1629 /* When "fgetline" is "get_loop_line()" use the "cookie" to find the
1630 * cookie that's originally used to obtain the lines. This may be nested
1631 * several levels. */
1632 gp = fgetline;
1633 cp = (struct loop_cookie *)cookie;
1634 while (gp == get_loop_line)
1635 {
1636 gp = cp->getline;
1637 cp = cp->cookie;
1638 }
1639 return cp;
1640 # else
1641 return cookie;
1642 # endif
1643 }
1644 #endif
1645
1646 /*
1647 * Execute one Ex command.
1648 *
1649 * If 'sourcing' is TRUE, the command will be included in the error message.
1650 *
1651 * 1. skip comment lines and leading space
1652 * 2. handle command modifiers
1653 * 3. parse range
1654 * 4. parse command
1655 * 5. parse arguments
1656 * 6. switch on command name
1657 *
1658 * Note: "fgetline" can be NULL.
1659 *
1660 * This function may be called recursively!
1661 */
1662 #if (_MSC_VER == 1200)
1663 /*
1664 * Avoid optimisation bug in VC++ version 6.0
1665 */
1666 #pragma optimize( "g", off )
1667 #endif
1668 static char_u *
1669 do_one_cmd(cmdlinep, sourcing,
1670 #ifdef FEAT_EVAL
1671 cstack,
1672 #endif
1673 fgetline, cookie)
1674 char_u **cmdlinep;
1675 int sourcing;
1676 #ifdef FEAT_EVAL
1677 struct condstack *cstack;
1678 #endif
1679 char_u *(*fgetline) __ARGS((int, void *, int));
1680 void *cookie; /* argument for fgetline() */
1681 {
1682 char_u *p;
1683 linenr_T lnum;
1684 long n;
1685 char_u *errormsg = NULL; /* error message */
1686 exarg_T ea; /* Ex command arguments */
1687 long verbose_save = -1;
1688 int save_msg_scroll = 0;
1689 int did_silent = 0;
1690 int did_esilent = 0;
1691 #ifdef HAVE_SANDBOX
1692 int did_sandbox = FALSE;
1693 #endif
1694 cmdmod_T save_cmdmod;
1695 int ni; /* set when Not Implemented */
1696
1697 vim_memset(&ea, 0, sizeof(ea));
1698 ea.line1 = 1;
1699 ea.line2 = 1;
1700 #ifdef FEAT_EVAL
1701 ++ex_nesting_level;
1702 #endif
1703
1704 /* when not editing the last file :q has to be typed twice */
1705 if (quitmore
1706 #ifdef FEAT_EVAL
1707 /* avoid that a function call in 'statusline' does this */
1708 && !getline_equal(fgetline, cookie, get_func_line)
1709 #endif
1710 )
1711 --quitmore;
1712
1713 /*
1714 * Reset browse, confirm, etc.. They are restored when returning, for
1715 * recursive calls.
1716 */
1717 save_cmdmod = cmdmod;
1718 vim_memset(&cmdmod, 0, sizeof(cmdmod));
1719
1720 /* "#!anything" is handled like a comment. */
1721 if ((*cmdlinep)[0] == '#' && (*cmdlinep)[1] == '!')
1722 goto doend;
1723
1724 /*
1725 * Repeat until no more command modifiers are found.
1726 */
1727 ea.cmd = *cmdlinep;
1728 for (;;)
1729 {
1730 /*
1731 * 1. skip comment lines and leading white space and colons
1732 */
1733 while (*ea.cmd == ' ' || *ea.cmd == '\t' || *ea.cmd == ':')
1734 ++ea.cmd;
1735
1736 /* in ex mode, an empty line works like :+ */
1737 if (*ea.cmd == NUL && exmode_active
1738 && (getline_equal(fgetline, cookie, getexmodeline)
1739 || getline_equal(fgetline, cookie, getexline))
1740 && curwin->w_cursor.lnum < curbuf->b_ml.ml_line_count)
1741 {
1742 ea.cmd = (char_u *)"+";
1743 ex_pressedreturn = TRUE;
1744 }
1745
1746 /* ignore comment and empty lines */
1747 if (*ea.cmd == '"')
1748 goto doend;
1749 if (*ea.cmd == NUL)
1750 {
1751 ex_pressedreturn = TRUE;
1752 goto doend;
1753 }
1754
1755 /*
1756 * 2. handle command modifiers.
1757 */
1758 p = ea.cmd;
1759 if (VIM_ISDIGIT(*ea.cmd))
1760 p = skipwhite(skipdigits(ea.cmd));
1761 switch (*p)
1762 {
1763 /* When adding an entry, also modify cmd_exists(). */
1764 case 'a': if (!checkforcmd(&ea.cmd, "aboveleft", 3))
1765 break;
1766 #ifdef FEAT_WINDOWS
1767 cmdmod.split |= WSP_ABOVE;
1768 #endif
1769 continue;
1770
1771 case 'b': if (checkforcmd(&ea.cmd, "belowright", 3))
1772 {
1773 #ifdef FEAT_WINDOWS
1774 cmdmod.split |= WSP_BELOW;
1775 #endif
1776 continue;
1777 }
1778 if (checkforcmd(&ea.cmd, "browse", 3))
1779 {
1780 #ifdef FEAT_BROWSE
1781 cmdmod.browse = TRUE;
1782 #endif
1783 continue;
1784 }
1785 if (!checkforcmd(&ea.cmd, "botright", 2))
1786 break;
1787 #ifdef FEAT_WINDOWS
1788 cmdmod.split |= WSP_BOT;
1789 #endif
1790 continue;
1791
1792 case 'c': if (!checkforcmd(&ea.cmd, "confirm", 4))
1793 break;
1794 #if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG)
1795 cmdmod.confirm = TRUE;
1796 #endif
1797 continue;
1798
1799 case 'k': if (checkforcmd(&ea.cmd, "keepmarks", 3))
1800 {
1801 cmdmod.keepmarks = TRUE;
1802 continue;
1803 }
1804 if (checkforcmd(&ea.cmd, "keepalt", 5))
1805 {
1806 cmdmod.keepalt = TRUE;
1807 continue;
1808 }
1809 if (!checkforcmd(&ea.cmd, "keepjumps", 5))
1810 break;
1811 cmdmod.keepjumps = TRUE;
1812 continue;
1813
1814 /* ":hide" and ":hide | cmd" are not modifiers */
1815 case 'h': if (p != ea.cmd || !checkforcmd(&p, "hide", 3)
1816 || *p == NUL || ends_excmd(*p))
1817 break;
1818 ea.cmd = p;
1819 cmdmod.hide = TRUE;
1820 continue;
1821
1822 case 'l': if (checkforcmd(&ea.cmd, "lockmarks", 3))
1823 {
1824 cmdmod.lockmarks = TRUE;
1825 continue;
1826 }
1827
1828 if (!checkforcmd(&ea.cmd, "leftabove", 5))
1829 break;
1830 #ifdef FEAT_WINDOWS
1831 cmdmod.split |= WSP_ABOVE;
1832 #endif
1833 continue;
1834
1835 case 'n': if (!checkforcmd(&ea.cmd, "noautocmd", 3))
1836 break;
1837 #ifdef FEAT_AUTOCMD
1838 if (cmdmod.save_ei == NULL)
1839 {
1840 /* Set 'eventignore' to "all". Restore the
1841 * existing option value later. */
1842 cmdmod.save_ei = vim_strsave(p_ei);
1843 set_string_option_direct((char_u *)"ei", -1,
1844 (char_u *)"all", OPT_FREE, SID_NONE);
1845 }
1846 #endif
1847 continue;
1848
1849 case 'r': if (!checkforcmd(&ea.cmd, "rightbelow", 6))
1850 break;
1851 #ifdef FEAT_WINDOWS
1852 cmdmod.split |= WSP_BELOW;
1853 #endif
1854 continue;
1855
1856 case 's': if (checkforcmd(&ea.cmd, "sandbox", 3))
1857 {
1858 #ifdef HAVE_SANDBOX
1859 if (!did_sandbox)
1860 ++sandbox;
1861 did_sandbox = TRUE;
1862 #endif
1863 continue;
1864 }
1865 if (!checkforcmd(&ea.cmd, "silent", 3))
1866 break;
1867 ++did_silent;
1868 ++msg_silent;
1869 save_msg_scroll = msg_scroll;
1870 if (*ea.cmd == '!' && !vim_iswhite(ea.cmd[-1]))
1871 {
1872 /* ":silent!", but not "silent !cmd" */
1873 ea.cmd = skipwhite(ea.cmd + 1);
1874 ++emsg_silent;
1875 ++did_esilent;
1876 }
1877 continue;
1878
1879 case 't': if (checkforcmd(&p, "tab", 3))
1880 {
1881 #ifdef FEAT_WINDOWS
1882 if (vim_isdigit(*ea.cmd))
1883 cmdmod.tab = atoi((char *)ea.cmd) + 1;
1884 else
1885 cmdmod.tab = tabpage_index(curtab) + 1;
1886 ea.cmd = p;
1887 #endif
1888 continue;
1889 }
1890 if (!checkforcmd(&ea.cmd, "topleft", 2))
1891 break;
1892 #ifdef FEAT_WINDOWS
1893 cmdmod.split |= WSP_TOP;
1894 #endif
1895 continue;
1896
1897 case 'v': if (checkforcmd(&ea.cmd, "vertical", 4))
1898 {
1899 #ifdef FEAT_VERTSPLIT
1900 cmdmod.split |= WSP_VERT;
1901 #endif
1902 continue;
1903 }
1904 if (!checkforcmd(&p, "verbose", 4))
1905 break;
1906 if (verbose_save < 0)
1907 verbose_save = p_verbose;
1908 if (vim_isdigit(*ea.cmd))
1909 p_verbose = atoi((char *)ea.cmd);
1910 else
1911 p_verbose = 1;
1912 ea.cmd = p;
1913 continue;
1914 }
1915 break;
1916 }
1917
1918 #ifdef FEAT_EVAL
1919 ea.skip = did_emsg || got_int || did_throw || (cstack->cs_idx >= 0
1920 && !(cstack->cs_flags[cstack->cs_idx] & CSF_ACTIVE));
1921 #else
1922 ea.skip = (if_level > 0);
1923 #endif
1924
1925 #ifdef FEAT_EVAL
1926 # ifdef FEAT_PROFILE
1927 /* Count this line for profiling if ea.skip is FALSE. */
1928 if (do_profiling == PROF_YES && !ea.skip)
1929 {
1930 if (getline_equal(fgetline, cookie, get_func_line))
1931 func_line_exec(getline_cookie(fgetline, cookie));
1932 else if (getline_equal(fgetline, cookie, getsourceline))
1933 script_line_exec();
1934 }
1935 #endif
1936
1937 /* May go to debug mode. If this happens and the ">quit" debug command is
1938 * used, throw an interrupt exception and skip the next command. */
1939 dbg_check_breakpoint(&ea);
1940 if (!ea.skip && got_int)
1941 {
1942 ea.skip = TRUE;
1943 (void)do_intthrow(cstack);
1944 }
1945 #endif
1946
1947 /*
1948 * 3. parse a range specifier of the form: addr [,addr] [;addr] ..
1949 *
1950 * where 'addr' is:
1951 *
1952 * % (entire file)
1953 * $ [+-NUM]
1954 * 'x [+-NUM] (where x denotes a currently defined mark)
1955 * . [+-NUM]
1956 * [+-NUM]..
1957 * NUM
1958 *
1959 * The ea.cmd pointer is updated to point to the first character following the
1960 * range spec. If an initial address is found, but no second, the upper bound
1961 * is equal to the lower.
1962 */
1963
1964 /* repeat for all ',' or ';' separated addresses */
1965 for (;;)
1966 {
1967 ea.line1 = ea.line2;
1968 ea.line2 = curwin->w_cursor.lnum; /* default is current line number */
1969 ea.cmd = skipwhite(ea.cmd);
1970 lnum = get_address(&ea.cmd, ea.skip, ea.addr_count == 0);
1971 if (ea.cmd == NULL) /* error detected */
1972 goto doend;
1973 if (lnum == MAXLNUM)
1974 {
1975 if (*ea.cmd == '%') /* '%' - all lines */
1976 {
1977 ++ea.cmd;
1978 ea.line1 = 1;
1979 ea.line2 = curbuf->b_ml.ml_line_count;
1980 ++ea.addr_count;
1981 }
1982 /* '*' - visual area */
1983 else if (*ea.cmd == '*' && vim_strchr(p_cpo, CPO_STAR) == NULL)
1984 {
1985 pos_T *fp;
1986
1987 ++ea.cmd;
1988 if (!ea.skip)
1989 {
1990 fp = getmark('<', FALSE);
1991 if (check_mark(fp) == FAIL)
1992 goto doend;
1993 ea.line1 = fp->lnum;
1994 fp = getmark('>', FALSE);
1995 if (check_mark(fp) == FAIL)
1996 goto doend;
1997 ea.line2 = fp->lnum;
1998 ++ea.addr_count;
1999 }
2000 }
2001 }
2002 else
2003 ea.line2 = lnum;
2004 ea.addr_count++;
2005
2006 if (*ea.cmd == ';')
2007 {
2008 if (!ea.skip)
2009 curwin->w_cursor.lnum = ea.line2;
2010 }
2011 else if (*ea.cmd != ',')
2012 break;
2013 ++ea.cmd;
2014 }
2015
2016 /* One address given: set start and end lines */
2017 if (ea.addr_count == 1)
2018 {
2019 ea.line1 = ea.line2;
2020 /* ... but only implicit: really no address given */
2021 if (lnum == MAXLNUM)
2022 ea.addr_count = 0;
2023 }
2024
2025 /* Don't leave the cursor on an illegal line (caused by ';') */
2026 check_cursor_lnum();
2027
2028 /*
2029 * 4. parse command
2030 */
2031
2032 /*
2033 * Skip ':' and any white space
2034 */
2035 ea.cmd = skipwhite(ea.cmd);
2036 while (*ea.cmd == ':')
2037 ea.cmd = skipwhite(ea.cmd + 1);
2038
2039 /*
2040 * If we got a line, but no command, then go to the line.
2041 * If we find a '|' or '\n' we set ea.nextcmd.
2042 */
2043 if (*ea.cmd == NUL || *ea.cmd == '"' ||
2044 (ea.nextcmd = check_nextcmd(ea.cmd)) != NULL)
2045 {
2046 /*
2047 * strange vi behaviour:
2048 * ":3" jumps to line 3
2049 * ":3|..." prints line 3
2050 * ":|" prints current line
2051 */
2052 if (ea.skip) /* skip this if inside :if */
2053 goto doend;
2054 if (*ea.cmd == '|' || (exmode_active && ea.line1 != ea.line2))
2055 {
2056 ea.cmdidx = CMD_print;
2057 ea.argt = RANGE+COUNT+TRLBAR;
2058 if ((errormsg = invalid_range(&ea)) == NULL)
2059 {
2060 correct_range(&ea);
2061 ex_print(&ea);
2062 }
2063 }
2064 else if (ea.addr_count != 0)
2065 {
2066 if (ea.line2 > curbuf->b_ml.ml_line_count)
2067 {
2068 /* With '-' in 'cpoptions' a line number past the file is an
2069 * error, otherwise put it at the end of the file. */
2070 if (vim_strchr(p_cpo, CPO_MINUS) != NULL)
2071 ea.line2 = -1;
2072 else
2073 ea.line2 = curbuf->b_ml.ml_line_count;
2074 }
2075
2076 if (ea.line2 < 0)
2077 errormsg = (char_u *)_(e_invrange);
2078 else
2079 {
2080 if (ea.line2 == 0)
2081 curwin->w_cursor.lnum = 1;
2082 else
2083 curwin->w_cursor.lnum = ea.line2;
2084 beginline(BL_SOL | BL_FIX);
2085 }
2086 }
2087 goto doend;
2088 }
2089
2090 /* Find the command and let "p" point to after it. */
2091 p = find_command(&ea, NULL);
2092
2093 #ifdef FEAT_USR_CMDS
2094 if (p == NULL)
2095 {
2096 if (!ea.skip)
2097 errormsg = (char_u *)_("E464: Ambiguous use of user-defined command");
2098 goto doend;
2099 }
2100 /* Check for wrong commands. */
2101 if (*p == '!' && ea.cmd[1] == 0151 && ea.cmd[0] == 78)
2102 {
2103 errormsg = uc_fun_cmd();
2104 goto doend;
2105 }
2106 #endif
2107 if (ea.cmdidx == CMD_SIZE)
2108 {
2109 if (!ea.skip)
2110 {
2111 STRCPY(IObuff, _("E492: Not an editor command"));
2112 if (!sourcing)
2113 {
2114 STRCAT(IObuff, ": ");
2115 STRNCAT(IObuff, *cmdlinep, 40);
2116 }
2117 errormsg = IObuff;
2118 }
2119 goto doend;
2120 }
2121
2122 ni = (
2123 #ifdef FEAT_USR_CMDS
2124 !USER_CMDIDX(ea.cmdidx) &&
2125 #endif
2126 (cmdnames[ea.cmdidx].cmd_func == ex_ni
2127 #ifdef HAVE_EX_SCRIPT_NI
2128 || cmdnames[ea.cmdidx].cmd_func == ex_script_ni
2129 #endif
2130 ));
2131
2132 #ifndef FEAT_EVAL
2133 /*
2134 * When the expression evaluation is disabled, recognize the ":if" and
2135 * ":endif" commands and ignore everything in between it.
2136 */
2137 if (ea.cmdidx == CMD_if)
2138 ++if_level;
2139 if (if_level)
2140 {
2141 if (ea.cmdidx == CMD_endif)
2142 --if_level;
2143 goto doend;
2144 }
2145
2146 #endif
2147
2148 /* forced commands */
2149 if (*p == '!' && ea.cmdidx != CMD_substitute
2150 && ea.cmdidx != CMD_smagic && ea.cmdidx != CMD_snomagic)
2151 {
2152 ++p;
2153 ea.forceit = TRUE;
2154 }
2155 else
2156 ea.forceit = FALSE;
2157
2158 /*
2159 * 5. parse arguments
2160 */
2161 #ifdef FEAT_USR_CMDS
2162 if (!USER_CMDIDX(ea.cmdidx))
2163 #endif
2164 ea.argt = (long)cmdnames[(int)ea.cmdidx].cmd_argt;
2165
2166 if (!ea.skip)
2167 {
2168 #ifdef HAVE_SANDBOX
2169 if (sandbox != 0 && !(ea.argt & SBOXOK))
2170 {
2171 /* Command not allowed in sandbox. */
2172 errormsg = (char_u *)_(e_sandbox);
2173 goto doend;
2174 }
2175 #endif
2176 if (!curbuf->b_p_ma && (ea.argt & MODIFY))
2177 {
2178 /* Command not allowed in non-'modifiable' buffer */
2179 errormsg = (char_u *)_(e_modifiable);
2180 goto doend;
2181 }
2182
2183 if (text_locked() && !(ea.argt & CMDWIN)
2184 # ifdef FEAT_USR_CMDS
2185 && !USER_CMDIDX(ea.cmdidx)
2186 # endif
2187 )
2188 {
2189 /* Command not allowed when editing the command line. */
2190 #ifdef FEAT_CMDWIN
2191 if (cmdwin_type != 0)
2192 errormsg = (char_u *)_(e_cmdwin);
2193 else
2194 #endif
2195 errormsg = (char_u *)_(e_secure);
2196 goto doend;
2197 }
2198 #ifdef FEAT_AUTOCMD
2199 /* Disallow editing another buffer when "curbuf_lock" is set.
2200 * Do allow ":edit" (check for argument later).
2201 * Do allow ":checktime" (it's postponed). */
2202 if (!(ea.argt & CMDWIN)
2203 && ea.cmdidx != CMD_edit
2204 && ea.cmdidx != CMD_checktime
2205 # ifdef FEAT_USR_CMDS
2206 && !USER_CMDIDX(ea.cmdidx)
2207 # endif
2208 && curbuf_locked())
2209 goto doend;
2210 #endif
2211
2212 if (!ni && !(ea.argt & RANGE) && ea.addr_count > 0)
2213 {
2214 /* no range allowed */
2215 errormsg = (char_u *)_(e_norange);
2216 goto doend;
2217 }
2218 }
2219
2220 if (!ni && !(ea.argt & BANG) && ea.forceit) /* no <!> allowed */
2221 {
2222 errormsg = (char_u *)_(e_nobang);
2223 goto doend;
2224 }
2225
2226 /*
2227 * Don't complain about the range if it is not used
2228 * (could happen if line_count is accidentally set to 0).
2229 */
2230 if (!ea.skip && !ni)
2231 {
2232 /*
2233 * If the range is backwards, ask for confirmation and, if given, swap
2234 * ea.line1 & ea.line2 so it's forwards again.
2235 * When global command is busy, don't ask, will fail below.
2236 */
2237 if (!global_busy && ea.line1 > ea.line2)
2238 {
2239 if (msg_silent == 0)
2240 {
2241 if (sourcing || exmode_active)
2242 {
2243 errormsg = (char_u *)_("E493: Backwards range given");
2244 goto doend;
2245 }
2246 if (ask_yesno((char_u *)
2247 _("Backwards range given, OK to swap"), FALSE) != 'y')
2248 goto doend;
2249 }
2250 lnum = ea.line1;
2251 ea.line1 = ea.line2;
2252 ea.line2 = lnum;
2253 }
2254 if ((errormsg = invalid_range(&ea)) != NULL)
2255 goto doend;
2256 }
2257
2258 if ((ea.argt & NOTADR) && ea.addr_count == 0) /* default is 1, not cursor */
2259 ea.line2 = 1;
2260
2261 correct_range(&ea);
2262
2263 #ifdef FEAT_FOLDING
2264 if (((ea.argt & WHOLEFOLD) || ea.addr_count >= 2) && !global_busy)
2265 {
2266 /* Put the first line at the start of a closed fold, put the last line
2267 * at the end of a closed fold. */
2268 (void)hasFolding(ea.line1, &ea.line1, NULL);
2269 (void)hasFolding(ea.line2, NULL, &ea.line2);
2270 }
2271 #endif
2272
2273 #ifdef FEAT_QUICKFIX
2274 /*
2275 * For the ":make" and ":grep" commands we insert the 'makeprg'/'grepprg'
2276 * option here, so things like % get expanded.
2277 */
2278 p = replace_makeprg(&ea, p, cmdlinep);
2279 if (p == NULL)
2280 goto doend;
2281 #endif
2282
2283 /*
2284 * Skip to start of argument.
2285 * Don't do this for the ":!" command, because ":!! -l" needs the space.
2286 */
2287 if (ea.cmdidx == CMD_bang)
2288 ea.arg = p;
2289 else
2290 ea.arg = skipwhite(p);
2291
2292 /*
2293 * Check for "++opt=val" argument.
2294 * Must be first, allow ":w ++enc=utf8 !cmd"
2295 */
2296 if (ea.argt & ARGOPT)
2297 while (ea.arg[0] == '+' && ea.arg[1] == '+')
2298 if (getargopt(&ea) == FAIL && !ni)
2299 {
2300 errormsg = (char_u *)_(e_invarg);
2301 goto doend;
2302 }
2303
2304 if (ea.cmdidx == CMD_write || ea.cmdidx == CMD_update)
2305 {
2306 if (*ea.arg == '>') /* append */
2307 {
2308 if (*++ea.arg != '>') /* typed wrong */
2309 {
2310 errormsg = (char_u *)_("E494: Use w or w>>");
2311 goto doend;
2312 }
2313 ea.arg = skipwhite(ea.arg + 1);
2314 ea.append = TRUE;
2315 }
2316 else if (*ea.arg == '!' && ea.cmdidx == CMD_write) /* :w !filter */
2317 {
2318 ++ea.arg;
2319 ea.usefilter = TRUE;
2320 }
2321 }
2322
2323 if (ea.cmdidx == CMD_read)
2324 {
2325 if (ea.forceit)
2326 {
2327 ea.usefilter = TRUE; /* :r! filter if ea.forceit */
2328 ea.forceit = FALSE;
2329 }
2330 else if (*ea.arg == '!') /* :r !filter */
2331 {
2332 ++ea.arg;
2333 ea.usefilter = TRUE;
2334 }
2335 }
2336
2337 if (ea.cmdidx == CMD_lshift || ea.cmdidx == CMD_rshift)
2338 {
2339 ea.amount = 1;
2340 while (*ea.arg == *ea.cmd) /* count number of '>' or '<' */
2341 {
2342 ++ea.arg;
2343 ++ea.amount;
2344 }
2345 ea.arg = skipwhite(ea.arg);
2346 }
2347
2348 /*
2349 * Check for "+command" argument, before checking for next command.
2350 * Don't do this for ":read !cmd" and ":write !cmd".
2351 */
2352 if ((ea.argt & EDITCMD) && !ea.usefilter)
2353 ea.do_ecmd_cmd = getargcmd(&ea.arg);
2354
2355 /*
2356 * Check for '|' to separate commands and '"' to start comments.
2357 * Don't do this for ":read !cmd" and ":write !cmd".
2358 */
2359 if ((ea.argt & TRLBAR) && !ea.usefilter)
2360 separate_nextcmd(&ea);
2361
2362 /*
2363 * Check for <newline> to end a shell command.
2364 * Also do this for ":read !cmd", ":write !cmd" and ":global".
2365 * Any others?
2366 */
2367 else if (ea.cmdidx == CMD_bang
2368 || ea.cmdidx == CMD_global
2369 || ea.cmdidx == CMD_vglobal
2370 || ea.usefilter)
2371 {
2372 for (p = ea.arg; *p; ++p)
2373 {
2374 /* Remove one backslash before a newline, so that it's possible to
2375 * pass a newline to the shell and also a newline that is preceded
2376 * with a backslash. This makes it impossible to end a shell
2377 * command in a backslash, but that doesn't appear useful.
2378 * Halving the number of backslashes is incompatible with previous
2379 * versions. */
2380 if (*p == '\\' && p[1] == '\n')
2381 STRMOVE(p, p + 1);
2382 else if (*p == '\n')
2383 {
2384 ea.nextcmd = p + 1;
2385 *p = NUL;
2386 break;
2387 }
2388 }
2389 }
2390
2391 if ((ea.argt & DFLALL) && ea.addr_count == 0)
2392 {
2393 ea.line1 = 1;
2394 ea.line2 = curbuf->b_ml.ml_line_count;
2395 }
2396
2397 /* accept numbered register only when no count allowed (:put) */
2398 if ( (ea.argt & REGSTR)
2399 && *ea.arg != NUL
2400 #ifdef FEAT_USR_CMDS
2401 && valid_yank_reg(*ea.arg, (ea.cmdidx != CMD_put
2402 && USER_CMDIDX(ea.cmdidx)))
2403 /* Do not allow register = for user commands */
2404 && (!USER_CMDIDX(ea.cmdidx) || *ea.arg != '=')
2405 #else
2406 && valid_yank_reg(*ea.arg, ea.cmdidx != CMD_put)
2407 #endif
2408 && !((ea.argt & COUNT) && VIM_ISDIGIT(*ea.arg)))
2409 {
2410 ea.regname = *ea.arg++;
2411 #ifdef FEAT_EVAL
2412 /* for '=' register: accept the rest of the line as an expression */
2413 if (ea.arg[-1] == '=' && ea.arg[0] != NUL)
2414 {
2415 set_expr_line(vim_strsave(ea.arg));
2416 ea.arg += STRLEN(ea.arg);
2417 }
2418 #endif
2419 ea.arg = skipwhite(ea.arg);
2420 }
2421
2422 /*
2423 * Check for a count. When accepting a BUFNAME, don't use "123foo" as a
2424 * count, it's a buffer name.
2425 */
2426 if ((ea.argt & COUNT) && VIM_ISDIGIT(*ea.arg)
2427 && (!(ea.argt & BUFNAME) || *(p = skipdigits(ea.arg)) == NUL
2428 || vim_iswhite(*p)))
2429 {
2430 n = getdigits(&ea.arg);
2431 ea.arg = skipwhite(ea.arg);
2432 if (n <= 0 && !ni && (ea.argt & ZEROR) == 0)
2433 {
2434 errormsg = (char_u *)_(e_zerocount);
2435 goto doend;
2436 }
2437 if (ea.argt & NOTADR) /* e.g. :buffer 2, :sleep 3 */
2438 {
2439 ea.line2 = n;
2440 if (ea.addr_count == 0)
2441 ea.addr_count = 1;
2442 }
2443 else
2444 {
2445 ea.line1 = ea.line2;
2446 ea.line2 += n - 1;
2447 ++ea.addr_count;
2448 /*
2449 * Be vi compatible: no error message for out of range.
2450 */
2451 if (ea.line2 > curbuf->b_ml.ml_line_count)
2452 ea.line2 = curbuf->b_ml.ml_line_count;
2453 }
2454 }
2455
2456 /*
2457 * Check for flags: 'l', 'p' and '#'.
2458 */
2459 if (ea.argt & EXFLAGS)
2460 get_flags(&ea);
2461 /* no arguments allowed */
2462 if (!ni && !(ea.argt & EXTRA) && *ea.arg != NUL
2463 && *ea.arg != '"' && (*ea.arg != '|' || (ea.argt & TRLBAR) == 0))
2464 {
2465 errormsg = (char_u *)_(e_trailing);
2466 goto doend;
2467 }
2468
2469 if (!ni && (ea.argt & NEEDARG) && *ea.arg == NUL)
2470 {
2471 errormsg = (char_u *)_(e_argreq);
2472 goto doend;
2473 }
2474
2475 #ifdef FEAT_EVAL
2476 /*
2477 * Skip the command when it's not going to be executed.
2478 * The commands like :if, :endif, etc. always need to be executed.
2479 * Also make an exception for commands that handle a trailing command
2480 * themselves.
2481 */
2482 if (ea.skip)
2483 {
2484 switch (ea.cmdidx)
2485 {
2486 /* commands that need evaluation */
2487 case CMD_while:
2488 case CMD_endwhile:
2489 case CMD_for:
2490 case CMD_endfor:
2491 case CMD_if:
2492 case CMD_elseif:
2493 case CMD_else:
2494 case CMD_endif:
2495 case CMD_try:
2496 case CMD_catch:
2497 case CMD_finally:
2498 case CMD_endtry:
2499 case CMD_function:
2500 break;
2501
2502 /* Commands that handle '|' themselves. Check: A command should
2503 * either have the TRLBAR flag, appear in this list or appear in
2504 * the list at ":help :bar". */
2505 case CMD_aboveleft:
2506 case CMD_and:
2507 case CMD_belowright:
2508 case CMD_botright:
2509 case CMD_browse:
2510 case CMD_call:
2511 case CMD_confirm:
2512 case CMD_delfunction:
2513 case CMD_djump:
2514 case CMD_dlist:
2515 case CMD_dsearch:
2516 case CMD_dsplit:
2517 case CMD_echo:
2518 case CMD_echoerr:
2519 case CMD_echomsg:
2520 case CMD_echon:
2521 case CMD_execute:
2522 case CMD_help:
2523 case CMD_hide:
2524 case CMD_ijump:
2525 case CMD_ilist:
2526 case CMD_isearch:
2527 case CMD_isplit:
2528 case CMD_keepalt:
2529 case CMD_keepjumps:
2530 case CMD_keepmarks:
2531 case CMD_leftabove:
2532 case CMD_let:
2533 case CMD_lockmarks:
2534 case CMD_match:
2535 case CMD_mzscheme:
2536 case CMD_perl:
2537 case CMD_psearch:
2538 case CMD_python:
2539 case CMD_return:
2540 case CMD_rightbelow:
2541 case CMD_ruby:
2542 case CMD_silent:
2543 case CMD_smagic:
2544 case CMD_snomagic:
2545 case CMD_substitute:
2546 case CMD_syntax:
2547 case CMD_tab:
2548 case CMD_tcl:
2549 case CMD_throw:
2550 case CMD_tilde:
2551 case CMD_topleft:
2552 case CMD_unlet:
2553 case CMD_verbose:
2554 case CMD_vertical:
2555 break;
2556
2557 default: goto doend;
2558 }
2559 }
2560 #endif
2561
2562 if (ea.argt & XFILE)
2563 {
2564 if (expand_filename(&ea, cmdlinep, &errormsg) == FAIL)
2565 goto doend;
2566 }
2567
2568 #ifdef FEAT_LISTCMDS
2569 /*
2570 * Accept buffer name. Cannot be used at the same time with a buffer
2571 * number. Don't do this for a user command.
2572 */
2573 if ((ea.argt & BUFNAME) && *ea.arg != NUL && ea.addr_count == 0
2574 # ifdef FEAT_USR_CMDS
2575 && !USER_CMDIDX(ea.cmdidx)
2576 # endif
2577 )
2578 {
2579 /*
2580 * :bdelete, :bwipeout and :bunload take several arguments, separated
2581 * by spaces: find next space (skipping over escaped characters).
2582 * The others take one argument: ignore trailing spaces.
2583 */
2584 if (ea.cmdidx == CMD_bdelete || ea.cmdidx == CMD_bwipeout
2585 || ea.cmdidx == CMD_bunload)
2586 p = skiptowhite_esc(ea.arg);
2587 else
2588 {
2589 p = ea.arg + STRLEN(ea.arg);
2590 while (p > ea.arg && vim_iswhite(p[-1]))
2591 --p;
2592 }
2593 ea.line2 = buflist_findpat(ea.arg, p, (ea.argt & BUFUNL) != 0, FALSE);
2594 if (ea.line2 < 0) /* failed */
2595 goto doend;
2596 ea.addr_count = 1;
2597 ea.arg = skipwhite(p);
2598 }
2599 #endif
2600
2601 /*
2602 * 6. switch on command name
2603 *
2604 * The "ea" structure holds the arguments that can be used.
2605 */
2606 ea.cmdlinep = cmdlinep;
2607 ea.getline = fgetline;
2608 ea.cookie = cookie;
2609 #ifdef FEAT_EVAL
2610 ea.cstack = cstack;
2611 #endif
2612
2613 #ifdef FEAT_USR_CMDS
2614 if (USER_CMDIDX(ea.cmdidx))
2615 {
2616 /*
2617 * Execute a user-defined command.
2618 */
2619 do_ucmd(&ea);
2620 }
2621 else
2622 #endif
2623 {
2624 /*
2625 * Call the function to execute the command.
2626 */
2627 ea.errmsg = NULL;
2628 (cmdnames[ea.cmdidx].cmd_func)(&ea);
2629 if (ea.errmsg != NULL)
2630 errormsg = (char_u *)_(ea.errmsg);
2631 }
2632
2633 #ifdef FEAT_EVAL
2634 /*
2635 * If the command just executed called do_cmdline(), any throw or ":return"
2636 * or ":finish" encountered there must also check the cstack of the still
2637 * active do_cmdline() that called this do_one_cmd(). Rethrow an uncaught
2638 * exception, or reanimate a returned function or finished script file and
2639 * return or finish it again.
2640 */
2641 if (need_rethrow)
2642 do_throw(cstack);
2643 else if (check_cstack)
2644 {
2645 if (source_finished(fgetline, cookie))
2646 do_finish(&ea, TRUE);
2647 else if (getline_equal(fgetline, cookie, get_func_line)
2648 && current_func_returned())
2649 do_return(&ea, TRUE, FALSE, NULL);
2650 }
2651 need_rethrow = check_cstack = FALSE;
2652 #endif
2653
2654 doend:
2655 if (curwin->w_cursor.lnum == 0) /* can happen with zero line number */
2656 curwin->w_cursor.lnum = 1;
2657
2658 if (errormsg != NULL && *errormsg != NUL && !did_emsg)
2659 {
2660 if (sourcing)
2661 {
2662 if (errormsg != IObuff)
2663 {
2664 STRCPY(IObuff, errormsg);
2665 errormsg = IObuff;
2666 }
2667 STRCAT(errormsg, ": ");
2668 STRNCAT(errormsg, *cmdlinep, IOSIZE - STRLEN(IObuff) - 1);
2669 }
2670 emsg(errormsg);
2671 }
2672 #ifdef FEAT_EVAL
2673 do_errthrow(cstack,
2674 (ea.cmdidx != CMD_SIZE
2675 # ifdef FEAT_USR_CMDS
2676 && !USER_CMDIDX(ea.cmdidx)
2677 # endif
2678 ) ? cmdnames[(int)ea.cmdidx].cmd_name : (char_u *)NULL);
2679 #endif
2680
2681 if (verbose_save >= 0)
2682 p_verbose = verbose_save;
2683 #ifdef FEAT_AUTOCMD
2684 if (cmdmod.save_ei != NULL)
2685 {
2686 /* Restore 'eventignore' to the value before ":noautocmd". */
2687 set_string_option_direct((char_u *)"ei", -1, cmdmod.save_ei,
2688 OPT_FREE, SID_NONE);
2689 free_string_option(cmdmod.save_ei);
2690 }
2691 #endif
2692
2693 cmdmod = save_cmdmod;
2694
2695 if (did_silent > 0)
2696 {
2697 /* messages could be enabled for a serious error, need to check if the
2698 * counters don't become negative */
2699 msg_silent -= did_silent;
2700 if (msg_silent < 0)
2701 msg_silent = 0;
2702 emsg_silent -= did_esilent;
2703 if (emsg_silent < 0)
2704 emsg_silent = 0;
2705 /* Restore msg_scroll, it's set by file I/O commands, even when no
2706 * message is actually displayed. */
2707 msg_scroll = save_msg_scroll;
2708 }
2709
2710 #ifdef HAVE_SANDBOX
2711 if (did_sandbox)
2712 --sandbox;
2713 #endif
2714
2715 if (ea.nextcmd && *ea.nextcmd == NUL) /* not really a next command */
2716 ea.nextcmd = NULL;
2717
2718 #ifdef FEAT_EVAL
2719 --ex_nesting_level;
2720 #endif
2721
2722 return ea.nextcmd;
2723 }
2724 #if (_MSC_VER == 1200)
2725 #pragma optimize( "", on )
2726 #endif
2727
2728 /*
2729 * Check for an Ex command with optional tail.
2730 * If there is a match advance "pp" to the argument and return TRUE.
2731 */
2732 int
2733 checkforcmd(pp, cmd, len)
2734 char_u **pp; /* start of command */
2735 char *cmd; /* name of command */
2736 int len; /* required length */
2737 {
2738 int i;
2739
2740 for (i = 0; cmd[i] != NUL; ++i)
2741 if (cmd[i] != (*pp)[i])
2742 break;
2743 if (i >= len && !isalpha((*pp)[i]))
2744 {
2745 *pp = skipwhite(*pp + i);
2746 return TRUE;
2747 }
2748 return FALSE;
2749 }
2750
2751 /*
2752 * Find an Ex command by its name, either built-in or user.
2753 * Start of the name can be found at eap->cmd.
2754 * Returns pointer to char after the command name.
2755 * "full" is set to TRUE if the whole command name matched.
2756 * Returns NULL for an ambiguous user command.
2757 */
2758 /*ARGSUSED*/
2759 static char_u *
2760 find_command(eap, full)
2761 exarg_T *eap;
2762 int *full;
2763 {
2764 int len;
2765 char_u *p;
2766 int i;
2767
2768 /*
2769 * Isolate the command and search for it in the command table.
2770 * Exceptions:
2771 * - the 'k' command can directly be followed by any character.
2772 * - the 's' command can be followed directly by 'c', 'g', 'i', 'I' or 'r'
2773 * but :sre[wind] is another command, as are :scrip[tnames],
2774 * :scs[cope], :sim[alt], :sig[ns] and :sil[ent].
2775 * - the "d" command can directly be followed by 'l' or 'p' flag.
2776 */
2777 p = eap->cmd;
2778 if (*p == 'k')
2779 {
2780 eap->cmdidx = CMD_k;
2781 ++p;
2782 }
2783 else if (p[0] == 's'
2784 && ((p[1] == 'c' && p[2] != 's' && p[2] != 'r'
2785 && p[3] != 'i' && p[4] != 'p')
2786 || p[1] == 'g'
2787 || (p[1] == 'i' && p[2] != 'm' && p[2] != 'l' && p[2] != 'g')
2788 || p[1] == 'I'
2789 || (p[1] == 'r' && p[2] != 'e')))
2790 {
2791 eap->cmdidx = CMD_substitute;
2792 ++p;
2793 }
2794 else
2795 {
2796 while (ASCII_ISALPHA(*p))
2797 ++p;
2798 /* check for non-alpha command */
2799 if (p == eap->cmd && vim_strchr((char_u *)"@*!=><&~#", *p) != NULL)
2800 ++p;
2801 len = (int)(p - eap->cmd);
2802 if (*eap->cmd == 'd' && (p[-1] == 'l' || p[-1] == 'p'))
2803 {
2804 /* Check for ":dl", ":dell", etc. to ":deletel": that's
2805 * :delete with the 'l' flag. Same for 'p'. */
2806 for (i = 0; i < len; ++i)
2807 if (eap->cmd[i] != "delete"[i])
2808 break;
2809 if (i == len - 1)
2810 {
2811 --len;
2812 if (p[-1] == 'l')
2813 eap->flags |= EXFLAG_LIST;
2814 else
2815 eap->flags |= EXFLAG_PRINT;
2816 }
2817 }
2818
2819 if (ASCII_ISLOWER(*eap->cmd))
2820 eap->cmdidx = cmdidxs[CharOrdLow(*eap->cmd)];
2821 else
2822 eap->cmdidx = cmdidxs[26];
2823
2824 for ( ; (int)eap->cmdidx < (int)CMD_SIZE;
2825 eap->cmdidx = (cmdidx_T)((int)eap->cmdidx + 1))
2826 if (STRNCMP(cmdnames[(int)eap->cmdidx].cmd_name, (char *)eap->cmd,
2827 (size_t)len) == 0)
2828 {
2829 #ifdef FEAT_EVAL
2830 if (full != NULL
2831 && cmdnames[(int)eap->cmdidx].cmd_name[len] == NUL)
2832 *full = TRUE;
2833 #endif
2834 break;
2835 }
2836
2837 #ifdef FEAT_USR_CMDS
2838 /* Look for a user defined command as a last resort */
2839 if (eap->cmdidx == CMD_SIZE && *eap->cmd >= 'A' && *eap->cmd <= 'Z')
2840 {
2841 /* User defined commands may contain digits. */
2842 while (ASCII_ISALNUM(*p))
2843 ++p;
2844 p = find_ucmd(eap, p, full, NULL, NULL);
2845 }
2846 #endif
2847 if (p == eap->cmd)
2848 eap->cmdidx = CMD_SIZE;
2849 }
2850
2851 return p;
2852 }
2853
2854 #ifdef FEAT_USR_CMDS
2855 /*
2856 * Search for a user command that matches "eap->cmd".
2857 * Return cmdidx in "eap->cmdidx", flags in "eap->argt", idx in "eap->useridx".
2858 * Return a pointer to just after the command.
2859 * Return NULL if there is no matching command.
2860 */
2861 static char_u *
2862 find_ucmd(eap, p, full, xp, compl)
2863 exarg_T *eap;
2864 char_u *p; /* end of the command (possibly including count) */
2865 int *full; /* set to TRUE for a full match */
2866 expand_T *xp; /* used for completion, NULL otherwise */
2867 int *compl; /* completion flags or NULL */
2868 {
2869 int len = (int)(p - eap->cmd);
2870 int j, k, matchlen = 0;
2871 ucmd_T *uc;
2872 int found = FALSE;
2873 int possible = FALSE;
2874 char_u *cp, *np; /* Point into typed cmd and test name */
2875 garray_T *gap;
2876 int amb_local = FALSE; /* Found ambiguous buffer-local command,
2877 only full match global is accepted. */
2878
2879 /*
2880 * Look for buffer-local user commands first, then global ones.
2881 */
2882 gap = &curbuf->b_ucmds;
2883 for (;;)
2884 {
2885 for (j = 0; j < gap->ga_len; ++j)
2886 {
2887 uc = USER_CMD_GA(gap, j);
2888 cp = eap->cmd;
2889 np = uc->uc_name;
2890 k = 0;
2891 while (k < len && *np != NUL && *cp++ == *np++)
2892 k++;
2893 if (k == len || (*np == NUL && vim_isdigit(eap->cmd[k])))
2894 {
2895 /* If finding a second match, the command is ambiguous. But
2896 * not if a buffer-local command wasn't a full match and a
2897 * global command is a full match. */
2898 if (k == len && found && *np != NUL)
2899 {
2900 if (gap == &ucmds)
2901 return NULL;
2902 amb_local = TRUE;
2903 }
2904
2905 if (!found || (k == len && *np == NUL))
2906 {
2907 /* If we matched up to a digit, then there could
2908 * be another command including the digit that we
2909 * should use instead.
2910 */
2911 if (k == len)
2912 found = TRUE;
2913 else
2914 possible = TRUE;
2915
2916 if (gap == &ucmds)
2917 eap->cmdidx = CMD_USER;
2918 else
2919 eap->cmdidx = CMD_USER_BUF;
2920 eap->argt = (long)uc->uc_argt;
2921 eap->useridx = j;
2922
2923 # ifdef FEAT_CMDL_COMPL
2924 if (compl != NULL)
2925 *compl = uc->uc_compl;
2926 # ifdef FEAT_EVAL
2927 if (xp != NULL)
2928 {
2929 xp->xp_arg = uc->uc_compl_arg;
2930 xp->xp_scriptID = uc->uc_scriptID;
2931 }
2932 # endif
2933 # endif
2934 /* Do not search for further abbreviations
2935 * if this is an exact match. */
2936 matchlen = k;
2937 if (k == len && *np == NUL)
2938 {
2939 if (full != NULL)
2940 *full = TRUE;
2941 amb_local = FALSE;
2942 break;
2943 }
2944 }
2945 }
2946 }
2947
2948 /* Stop if we found a full match or searched all. */
2949 if (j < gap->ga_len || gap == &ucmds)
2950 break;
2951 gap = &ucmds;
2952 }
2953
2954 /* Only found ambiguous matches. */
2955 if (amb_local)
2956 {
2957 if (xp != NULL)
2958 xp->xp_context = EXPAND_UNSUCCESSFUL;
2959 return NULL;
2960 }
2961
2962 /* The match we found may be followed immediately by a number. Move "p"
2963 * back to point to it. */
2964 if (found || possible)
2965 return p + (matchlen - len);
2966 return p;
2967 }
2968 #endif
2969
2970 #if defined(FEAT_EVAL) || defined(PROTO)
2971 static struct cmdmod
2972 {
2973 char *name;
2974 int minlen;
2975 int has_count; /* :123verbose :3tab */
2976 } cmdmods[] = {
2977 {"aboveleft", 3, FALSE},
2978 {"belowright", 3, FALSE},
2979 {"botright", 2, FALSE},
2980 {"browse", 3, FALSE},
2981 {"confirm", 4, FALSE},
2982 {"hide", 3, FALSE},
2983 {"keepalt", 5, FALSE},
2984 {"keepjumps", 5, FALSE},
2985 {"keepmarks", 3, FALSE},
2986 {"leftabove", 5, FALSE},
2987 {"lockmarks", 3, FALSE},
2988 {"noautocmd", 3, FALSE},
2989 {"rightbelow", 6, FALSE},
2990 {"sandbox", 3, FALSE},
2991 {"silent", 3, FALSE},
2992 {"tab", 3, TRUE},
2993 {"topleft", 2, FALSE},
2994 {"verbose", 4, TRUE},
2995 {"vertical", 4, FALSE},
2996 };
2997
2998 /*
2999 * Return length of a command modifier (including optional count).
3000 * Return zero when it's not a modifier.
3001 */
3002 int
3003 modifier_len(cmd)
3004 char_u *cmd;
3005 {
3006 int i, j;
3007 char_u *p = cmd;
3008
3009 if (VIM_ISDIGIT(*cmd))
3010 p = skipwhite(skipdigits(cmd));
3011 for (i = 0; i < sizeof(cmdmods) / sizeof(struct cmdmod); ++i)
3012 {
3013 for (j = 0; p[j] != NUL; ++j)
3014 if (p[j] != cmdmods[i].name[j])
3015 break;
3016 if (!isalpha(p[j]) && j >= cmdmods[i].minlen
3017 && (p == cmd || cmdmods[i].has_count))
3018 return j + (int)(p - cmd);
3019 }
3020 return 0;
3021 }
3022
3023 /*
3024 * Return > 0 if an Ex command "name" exists.
3025 * Return 2 if there is an exact match.
3026 * Return 3 if there is an ambiguous match.
3027 */
3028 int
3029 cmd_exists(name)
3030 char_u *name;
3031 {
3032 exarg_T ea;
3033 int full = FALSE;
3034 int i;
3035 int j;
3036 char_u *p;
3037
3038 /* Check command modifiers. */
3039 for (i = 0; i < sizeof(cmdmods) / sizeof(struct cmdmod); ++i)
3040 {
3041 for (j = 0; name[j] != NUL; ++j)
3042 if (name[j] != cmdmods[i].name[j])
3043 break;
3044 if (name[j] == NUL && j >= cmdmods[i].minlen)
3045 return (cmdmods[i].name[j] == NUL ? 2 : 1);
3046 }
3047
3048 /* Check built-in commands and user defined commands.
3049 * For ":2match" and ":3match" we need to skip the number. */
3050 ea.cmd = (*name == '2' || *name == '3') ? name + 1 : name;
3051 ea.cmdidx = (cmdidx_T)0;
3052 p = find_command(&ea, &full);
3053 if (p == NULL)
3054 return 3;
3055 if (vim_isdigit(*name) && ea.cmdidx != CMD_match)
3056 return 0;
3057 if (*skipwhite(p) != NUL)
3058 return 0; /* trailing garbage */
3059 return (ea.cmdidx == CMD_SIZE ? 0 : (full ? 2 : 1));
3060 }
3061 #endif
3062
3063 /*
3064 * This is all pretty much copied from do_one_cmd(), with all the extra stuff
3065 * we don't need/want deleted. Maybe this could be done better if we didn't
3066 * repeat all this stuff. The only problem is that they may not stay
3067 * perfectly compatible with each other, but then the command line syntax
3068 * probably won't change that much -- webb.
3069 */
3070 char_u *
3071 set_one_cmd_context(xp, buff)
3072 expand_T *xp;
3073 char_u *buff; /* buffer for command string */
3074 {
3075 char_u *p;
3076 char_u *cmd, *arg;
3077 int len = 0;
3078 exarg_T ea;
3079 #if defined(FEAT_USR_CMDS) && defined(FEAT_CMDL_COMPL)
3080 int compl = EXPAND_NOTHING;
3081 #endif
3082 #ifdef FEAT_CMDL_COMPL
3083 int delim;
3084 #endif
3085 int forceit = FALSE;
3086 int usefilter = FALSE; /* filter instead of file name */
3087
3088 ExpandInit(xp);
3089 xp->xp_pattern = buff;
3090 xp->xp_context = EXPAND_COMMANDS; /* Default until we get past command */
3091 ea.argt = 0;
3092
3093 /*
3094 * 2. skip comment lines and leading space, colons or bars
3095 */
3096 for (cmd = buff; vim_strchr((char_u *)" \t:|", *cmd) != NULL; cmd++)
3097 ;
3098 xp->xp_pattern = cmd;
3099
3100 if (*cmd == NUL)
3101 return NULL;
3102 if (*cmd == '"') /* ignore comment lines */
3103 {
3104 xp->xp_context = EXPAND_NOTHING;
3105 return NULL;
3106 }
3107
3108 /*
3109 * 3. parse a range specifier of the form: addr [,addr] [;addr] ..
3110 */
3111 cmd = skip_range(cmd, &xp->xp_context);
3112
3113 /*
3114 * 4. parse command
3115 */
3116 xp->xp_pattern = cmd;
3117 if (*cmd == NUL)
3118 return NULL;
3119 if (*cmd == '"')
3120 {
3121 xp->xp_context = EXPAND_NOTHING;
3122 return NULL;
3123 }
3124
3125 if (*cmd == '|' || *cmd == '\n')
3126 return cmd + 1; /* There's another command */
3127
3128 /*
3129 * Isolate the command and search for it in the command table.
3130 * Exceptions:
3131 * - the 'k' command can directly be followed by any character, but
3132 * do accept "keepmarks", "keepalt" and "keepjumps".
3133 * - the 's' command can be followed directly by 'c', 'g', 'i', 'I' or 'r'
3134 */
3135 if (*cmd == 'k' && cmd[1] != 'e')
3136 {
3137 ea.cmdidx = CMD_k;
3138 p = cmd + 1;
3139 }
3140 else
3141 {
3142 p = cmd;
3143 while (ASCII_ISALPHA(*p) || *p == '*') /* Allow * wild card */
3144 ++p;
3145 /* check for non-alpha command */
3146 if (p == cmd && vim_strchr((char_u *)"@*!=><&~#", *p) != NULL)
3147 ++p;
3148 len = (int)(p - cmd);
3149
3150 if (len == 0)
3151 {
3152 xp->xp_context = EXPAND_UNSUCCESSFUL;
3153 return NULL;
3154 }
3155 for (ea.cmdidx = (cmdidx_T)0; (int)ea.cmdidx < (int)CMD_SIZE;
3156 ea.cmdidx = (cmdidx_T)((int)ea.cmdidx + 1))
3157 if (STRNCMP(cmdnames[(int)ea.cmdidx].cmd_name, cmd, (size_t)len) == 0)
3158 break;
3159
3160 #ifdef FEAT_USR_CMDS
3161 if (cmd[0] >= 'A' && cmd[0] <= 'Z')
3162 {
3163 while (ASCII_ISALNUM(*p) || *p == '*') /* Allow * wild card */
3164 ++p;
3165 len = (int)(p - cmd);
3166 }
3167 #endif
3168 }
3169
3170 /*
3171 * If the cursor is touching the command, and it ends in an alpha-numeric
3172 * character, complete the command name.
3173 */
3174 if (*p == NUL && ASCII_ISALNUM(p[-1]))
3175 return NULL;
3176
3177 if (ea.cmdidx == CMD_SIZE)
3178 {
3179 if (*cmd == 's' && vim_strchr((char_u *)"cgriI", cmd[1]) != NULL)
3180 {
3181 ea.cmdidx = CMD_substitute;
3182 p = cmd + 1;
3183 }
3184 #ifdef FEAT_USR_CMDS
3185 else if (cmd[0] >= 'A' && cmd[0] <= 'Z')
3186 {
3187 ea.cmd = cmd;
3188 p = find_ucmd(&ea, p, NULL, xp,
3189 # if defined(FEAT_CMDL_COMPL)
3190 &compl
3191 # else
3192 NULL
3193 # endif
3194 );
3195 if (p == NULL)
3196 ea.cmdidx = CMD_SIZE; /* ambiguous user command */
3197 }
3198 #endif
3199 }
3200 if (ea.cmdidx == CMD_SIZE)
3201 {
3202 /* Not still touching the command and it was an illegal one */
3203 xp->xp_context = EXPAND_UNSUCCESSFUL;
3204 return NULL;
3205 }
3206
3207 xp->xp_context = EXPAND_NOTHING; /* Default now that we're past command */
3208
3209 if (*p == '!') /* forced commands */
3210 {
3211 forceit = TRUE;
3212 ++p;
3213 }
3214
3215 /*
3216 * 5. parse arguments
3217 */
3218 #ifdef FEAT_USR_CMDS
3219 if (!USER_CMDIDX(ea.cmdidx))
3220 #endif
3221 ea.argt = (long)cmdnames[(int)ea.cmdidx].cmd_argt;
3222
3223 arg = skipwhite(p);
3224
3225 if (ea.cmdidx == CMD_write || ea.cmdidx == CMD_update)
3226 {
3227 if (*arg == '>') /* append */
3228 {
3229 if (*++arg == '>')
3230 ++arg;
3231 arg = skipwhite(arg);
3232 }
3233 else if (*arg == '!' && ea.cmdidx == CMD_write) /* :w !filter */
3234 {
3235 ++arg;
3236 usefilter = TRUE;
3237 }
3238 }
3239
3240 if (ea.cmdidx == CMD_read)
3241 {
3242 usefilter = forceit; /* :r! filter if forced */
3243 if (*arg == '!') /* :r !filter */
3244 {
3245 ++arg;
3246 usefilter = TRUE;
3247 }
3248 }
3249
3250 if (ea.cmdidx == CMD_lshift || ea.cmdidx == CMD_rshift)
3251 {
3252 while (*arg == *cmd) /* allow any number of '>' or '<' */
3253 ++arg;
3254 arg = skipwhite(arg);
3255 }
3256
3257 /* Does command allow "+command"? */
3258 if ((ea.argt & EDITCMD) && !usefilter && *arg == '+')
3259 {
3260 /* Check if we're in the +command */
3261 p = arg + 1;
3262 arg = skip_cmd_arg(arg, FALSE);
3263
3264 /* Still touching the command after '+'? */
3265 if (*arg == NUL)
3266 return p;
3267
3268 /* Skip space(s) after +command to get to the real argument */
3269 arg = skipwhite(arg);
3270 }
3271
3272 /*
3273 * Check for '|' to separate commands and '"' to start comments.
3274 * Don't do this for ":read !cmd" and ":write !cmd".
3275 */
3276 if ((ea.argt & TRLBAR) && !usefilter)
3277 {
3278 p = arg;
3279 /* ":redir @" is not the start of a comment */
3280 if (ea.cmdidx == CMD_redir && p[0] == '@' && p[1] == '"')
3281 p += 2;
3282 while (*p)
3283 {
3284 if (*p == Ctrl_V)
3285 {
3286 if (p[1] != NUL)
3287 ++p;
3288 }
3289 else if ( (*p == '"' && !(ea.argt & NOTRLCOM))
3290 || *p == '|' || *p == '\n')
3291 {
3292 if (*(p - 1) != '\\')
3293 {
3294 if (*p == '|' || *p == '\n')
3295 return p + 1;
3296 return NULL; /* It's a comment */
3297 }
3298 }
3299 mb_ptr_adv(p);
3300 }
3301 }
3302
3303 /* no arguments allowed */
3304 if (!(ea.argt & EXTRA) && *arg != NUL &&
3305 vim_strchr((char_u *)"|\"", *arg) == NULL)
3306 return NULL;
3307
3308 /* Find start of last argument (argument just before cursor): */
3309 p = buff + STRLEN(buff);
3310 while (p != arg && *p != ' ' && *p != TAB)
3311 p--;
3312 if (*p == ' ' || *p == TAB)
3313 p++;
3314 xp->xp_pattern = p;
3315
3316 if (ea.argt & XFILE)
3317 {
3318 int c;
3319 int in_quote = FALSE;
3320 char_u *bow = NULL; /* Beginning of word */
3321
3322 /*
3323 * Allow spaces within back-quotes to count as part of the argument
3324 * being expanded.
3325 */
3326 xp->xp_pattern = skipwhite(arg);
3327 p = xp->xp_pattern;
3328 while (*p != NUL)
3329 {
3330 #ifdef FEAT_MBYTE
3331 if (has_mbyte)
3332 c = mb_ptr2char(p);
3333 else
3334 #endif
3335 c = *p;
3336 if (c == '\\' && p[1] != NUL)
3337 ++p;
3338 else if (c == '`')
3339 {
3340 if (!in_quote)
3341 {
3342 xp->xp_pattern = p;
3343 bow = p + 1;
3344 }
3345 in_quote = !in_quote;
3346 }
3347 /* An argument can contain just about everything, except
3348 * characters that end the command and white space. */
3349 else if (c == '|' || c == '\n' || c == '"' || (vim_iswhite(c)
3350 #ifdef SPACE_IN_FILENAME
3351 && (!(ea.argt & NOSPC) || usefilter)
3352 #endif
3353 ))
3354 {
3355 len = 0; /* avoid getting stuck when space is in 'isfname' */
3356 while (*p != NUL)
3357 {
3358 #ifdef FEAT_MBYTE
3359 if (has_mbyte)
3360 c = mb_ptr2char(p);
3361 else
3362 #endif
3363 c = *p;
3364 if (c == '`' || vim_isfilec_or_wc(c))
3365 break;
3366 #ifdef FEAT_MBYTE
3367 if (has_mbyte)
3368 len = (*mb_ptr2len)(p);
3369 else
3370 #endif
3371 len = 1;
3372 mb_ptr_adv(p);
3373 }
3374 if (in_quote)
3375 bow = p;
3376 else
3377 xp->xp_pattern = p;
3378 p -= len;
3379 }
3380 mb_ptr_adv(p);
3381 }
3382
3383 /*
3384 * If we are still inside the quotes, and we passed a space, just
3385 * expand from there.
3386 */
3387 if (bow != NULL && in_quote)
3388 xp->xp_pattern = bow;
3389 xp->xp_context = EXPAND_FILES;
3390
3391 #ifndef BACKSLASH_IN_FILENAME
3392 /* For a shell command more chars need to be escaped. */
3393 if (usefilter || ea.cmdidx == CMD_bang)
3394 {
3395 xp->xp_shell = TRUE;
3396
3397 /* When still after the command name expand executables. */
3398 if (xp->xp_pattern == skipwhite(arg))
3399 xp->xp_context = EXPAND_SHELLCMD;
3400 }
3401 #endif
3402
3403 /* Check for environment variable */
3404 if (*xp->xp_pattern == '$'
3405 #if defined(MSDOS) || defined(MSWIN) || defined(OS2)
3406 || *xp->xp_pattern == '%'
3407 #endif
3408 )
3409 {
3410 for (p = xp->xp_pattern + 1; *p != NUL; ++p)
3411 if (!vim_isIDc(*p))
3412 break;
3413 if (*p == NUL)
3414 {
3415 xp->xp_context = EXPAND_ENV_VARS;
3416 ++xp->xp_pattern;
3417 #if defined(FEAT_USR_CMDS) && defined(FEAT_CMDL_COMPL)
3418 /* Avoid that the assignment uses EXPAND_FILES again. */
3419 if (compl != EXPAND_USER_DEFINED && compl != EXPAND_USER_LIST)
3420 compl = EXPAND_ENV_VARS;
3421 #endif
3422 }
3423 }
3424 }
3425
3426 /*
3427 * 6. switch on command name
3428 */
3429 switch (ea.cmdidx)
3430 {
3431 case CMD_cd:
3432 case CMD_chdir:
3433 case CMD_lcd:
3434 case CMD_lchdir:
3435 if (xp->xp_context == EXPAND_FILES)
3436 xp->xp_context = EXPAND_DIRECTORIES;
3437 break;
3438 case CMD_help:
3439 xp->xp_context = EXPAND_HELP;
3440 xp->xp_pattern = arg;
3441 break;
3442
3443 /* Command modifiers: return the argument.
3444 * Also for commands with an argument that is a command. */
3445 case CMD_aboveleft:
3446 case CMD_argdo:
3447 case CMD_belowright:
3448 case CMD_botright:
3449 case CMD_browse:
3450 case CMD_bufdo:
3451 case CMD_confirm:
3452 case CMD_debug:
3453 case CMD_folddoclosed:
3454 case CMD_folddoopen:
3455 case CMD_hide:
3456 case CMD_keepalt:
3457 case CMD_keepjumps:
3458 case CMD_keepmarks:
3459 case CMD_leftabove:
3460 case CMD_lockmarks:
3461 case CMD_rightbelow:
3462 case CMD_sandbox:
3463 case CMD_silent:
3464 case CMD_tab:
3465 case CMD_topleft:
3466 case CMD_verbose:
3467 case CMD_vertical:
3468 case CMD_windo:
3469 return arg;
3470
3471 #ifdef FEAT_CMDL_COMPL
3472 # ifdef FEAT_SEARCH_EXTRA
3473 case CMD_match:
3474 if (*arg == NUL || !ends_excmd(*arg))
3475 {
3476 /* also complete "None" */
3477 set_context_in_echohl_cmd(xp, arg);
3478 arg = skipwhite(skiptowhite(arg));
3479 if (*arg != NUL)
3480 {
3481 xp->xp_context = EXPAND_NOTHING;
3482 arg = skip_regexp(arg + 1, *arg, p_magic, NULL);
3483 }
3484 }
3485 return find_nextcmd(arg);
3486 # endif
3487
3488 /*
3489 * All completion for the +cmdline_compl feature goes here.
3490 */
3491
3492 # ifdef FEAT_USR_CMDS
3493 case CMD_command:
3494 /* Check for attributes */
3495 while (*arg == '-')
3496 {
3497 arg++; /* Skip "-" */
3498 p = skiptowhite(arg);
3499 if (*p == NUL)
3500 {
3501 /* Cursor is still in the attribute */
3502 p = vim_strchr(arg, '=');
3503 if (p == NULL)
3504 {
3505 /* No "=", so complete attribute names */
3506 xp->xp_context = EXPAND_USER_CMD_FLAGS;
3507 xp->xp_pattern = arg;
3508 return NULL;
3509 }
3510
3511 /* For the -complete and -nargs attributes, we complete
3512 * their arguments as well.
3513 */
3514 if (STRNICMP(arg, "complete", p - arg) == 0)
3515 {
3516 xp->xp_context = EXPAND_USER_COMPLETE;
3517 xp->xp_pattern = p + 1;
3518 return NULL;
3519 }
3520 else if (STRNICMP(arg, "nargs", p - arg) == 0)
3521 {
3522 xp->xp_context = EXPAND_USER_NARGS;
3523 xp->xp_pattern = p + 1;
3524 return NULL;
3525 }
3526 return NULL;
3527 }
3528 arg = skipwhite(p);
3529 }
3530
3531 /* After the attributes comes the new command name */
3532 p = skiptowhite(arg);
3533 if (*p == NUL)
3534 {
3535 xp->xp_context = EXPAND_USER_COMMANDS;
3536 xp->xp_pattern = arg;
3537 break;
3538 }
3539
3540 /* And finally comes a normal command */
3541 return skipwhite(p);
3542
3543 case CMD_delcommand:
3544 xp->xp_context = EXPAND_USER_COMMANDS;
3545 xp->xp_pattern = arg;
3546 break;
3547 # endif
3548
3549 case CMD_global:
3550 case CMD_vglobal:
3551 delim = *arg; /* get the delimiter */
3552 if (delim)
3553 ++arg; /* skip delimiter if there is one */
3554
3555 while (arg[0] != NUL && arg[0] != delim)
3556 {
3557 if (arg[0] == '\\' && arg[1] != NUL)
3558 ++arg;
3559 ++arg;
3560 }
3561 if (arg[0] != NUL)
3562 return arg + 1;
3563 break;
3564 case CMD_and:
3565 case CMD_substitute:
3566 delim = *arg;
3567 if (delim)
3568 {
3569 /* skip "from" part */
3570 ++arg;
3571 arg = skip_regexp(arg, delim, p_magic, NULL);
3572 }
3573 /* skip "to" part */
3574 while (arg[0] != NUL && arg[0] != delim)
3575 {
3576 if (arg[0] == '\\' && arg[1] != NUL)
3577 ++arg;
3578 ++arg;
3579 }
3580 if (arg[0] != NUL) /* skip delimiter */
3581 ++arg;
3582 while (arg[0] && vim_strchr((char_u *)"|\"#", arg[0]) == NULL)
3583 ++arg;
3584 if (arg[0] != NUL)
3585 return arg;
3586 break;
3587 case CMD_isearch:
3588 case CMD_dsearch:
3589 case CMD_ilist:
3590 case CMD_dlist:
3591 case CMD_ijump:
3592 case CMD_psearch:
3593 case CMD_djump:
3594 case CMD_isplit:
3595 case CMD_dsplit:
3596 arg = skipwhite(skipdigits(arg)); /* skip count */
3597 if (*arg == '/') /* Match regexp, not just whole words */
3598 {
3599 for (++arg; *arg && *arg != '/'; arg++)
3600 if (*arg == '\\' && arg[1] != NUL)
3601 arg++;
3602 if (*arg)
3603 {
3604 arg = skipwhite(arg + 1);
3605
3606 /* Check for trailing illegal characters */
3607 if (*arg && vim_strchr((char_u *)"|\"\n", *arg) == NULL)
3608 xp->xp_context = EXPAND_NOTHING;
3609 else
3610 return arg;
3611 }
3612 }
3613 break;
3614 #ifdef FEAT_AUTOCMD
3615 case CMD_autocmd:
3616 return set_context_in_autocmd(xp, arg, FALSE);
3617
3618 case CMD_doautocmd:
3619 return set_context_in_autocmd(xp, arg, TRUE);
3620 #endif
3621 case CMD_set:
3622 set_context_in_set_cmd(xp, arg, 0);
3623 break;
3624 case CMD_setglobal:
3625 set_context_in_set_cmd(xp, arg, OPT_GLOBAL);
3626 break;
3627 case CMD_setlocal:
3628 set_context_in_set_cmd(xp, arg, OPT_LOCAL);
3629 break;
3630 case CMD_tag:
3631 case CMD_stag:
3632 case CMD_ptag:
3633 case CMD_ltag:
3634 case CMD_tselect:
3635 case CMD_stselect:
3636 case CMD_ptselect:
3637 case CMD_tjump:
3638 case CMD_stjump:
3639 case CMD_ptjump:
3640 if (*p_wop != NUL)
3641 xp->xp_context = EXPAND_TAGS_LISTFILES;
3642 else
3643 xp->xp_context = EXPAND_TAGS;
3644 xp->xp_pattern = arg;
3645 break;
3646 case CMD_augroup:
3647 xp->xp_context = EXPAND_AUGROUP;
3648 xp->xp_pattern = arg;
3649 break;
3650 #ifdef FEAT_SYN_HL
3651 case CMD_syntax:
3652 set_context_in_syntax_cmd(xp, arg);
3653 break;
3654 #endif
3655 #ifdef FEAT_EVAL
3656 case CMD_let:
3657 case CMD_if:
3658 case CMD_elseif:
3659 case CMD_while:
3660 case CMD_for:
3661 case CMD_echo:
3662 case CMD_echon:
3663 case CMD_execute:
3664 case CMD_echomsg:
3665 case CMD_echoerr:
3666 case CMD_call:
3667 case CMD_return:
3668 set_context_for_expression(xp, arg, ea.cmdidx);
3669 break;
3670
3671 case CMD_unlet:
3672 while ((xp->xp_pattern = vim_strchr(arg, ' ')) != NULL)
3673 arg = xp->xp_pattern + 1;
3674 xp->xp_context = EXPAND_USER_VARS;
3675 xp->xp_pattern = arg;
3676 break;
3677
3678 case CMD_function:
3679 case CMD_delfunction:
3680 xp->xp_context = EXPAND_USER_FUNC;
3681 xp->xp_pattern = arg;
3682 break;
3683
3684 case CMD_echohl:
3685 set_context_in_echohl_cmd(xp, arg);
3686 break;
3687 #endif
3688 case CMD_highlight:
3689 set_context_in_highlight_cmd(xp, arg);
3690 break;
3691 #ifdef FEAT_LISTCMDS
3692 case CMD_bdelete:
3693 case CMD_bwipeout:
3694 case CMD_bunload:
3695 while ((xp->xp_pattern = vim_strchr(arg, ' ')) != NULL)
3696 arg = xp->xp_pattern + 1;
3697 /*FALLTHROUGH*/
3698 case CMD_buffer:
3699 case CMD_sbuffer:
3700 case CMD_checktime:
3701 xp->xp_context = EXPAND_BUFFERS;
3702 xp->xp_pattern = arg;
3703 break;
3704 #endif
3705 #ifdef FEAT_USR_CMDS
3706 case CMD_USER:
3707 case CMD_USER_BUF:
3708 if (compl != EXPAND_NOTHING)
3709 {
3710 /* XFILE: file names are handled above */
3711 if (!(ea.argt & XFILE))
3712 {
3713 # ifdef FEAT_MENU
3714 if (compl == EXPAND_MENUS)
3715 return set_context_in_menu_cmd(xp, cmd, arg, forceit);
3716 # endif
3717 if (compl == EXPAND_COMMANDS)
3718 return arg;
3719 if (compl == EXPAND_MAPPINGS)
3720 return set_context_in_map_cmd(xp, (char_u *)"map",
3721 arg, forceit, FALSE, FALSE, CMD_map);
3722 while ((xp->xp_pattern = vim_strchr(arg, ' ')) != NULL)
3723 arg = xp->xp_pattern + 1;
3724 xp->xp_pattern = arg;
3725 }
3726 xp->xp_context = compl;
3727 }
3728 break;
3729 #endif
3730 case CMD_map: case CMD_noremap:
3731 case CMD_nmap: case CMD_nnoremap:
3732 case CMD_vmap: case CMD_vnoremap:
3733 case CMD_omap: case CMD_onoremap:
3734 case CMD_imap: case CMD_inoremap:
3735 case CMD_cmap: case CMD_cnoremap:
3736 return set_context_in_map_cmd(xp, cmd, arg, forceit,
3737 FALSE, FALSE, ea.cmdidx);
3738 case CMD_unmap:
3739 case CMD_nunmap:
3740 case CMD_vunmap:
3741 case CMD_ounmap:
3742 case CMD_iunmap:
3743 case CMD_cunmap:
3744 return set_context_in_map_cmd(xp, cmd, arg, forceit,
3745 FALSE, TRUE, ea.cmdidx);
3746 case CMD_abbreviate: case CMD_noreabbrev:
3747 case CMD_cabbrev: case CMD_cnoreabbrev:
3748 case CMD_iabbrev: case CMD_inoreabbrev:
3749 return set_context_in_map_cmd(xp, cmd, arg, forceit,
3750 TRUE, FALSE, ea.cmdidx);
3751 case CMD_unabbreviate:
3752 case CMD_cunabbrev:
3753 case CMD_iunabbrev:
3754 return set_context_in_map_cmd(xp, cmd, arg, forceit,
3755 TRUE, TRUE, ea.cmdidx);
3756 #ifdef FEAT_MENU
3757 case CMD_menu: case CMD_noremenu: case CMD_unmenu:
3758 case CMD_amenu: case CMD_anoremenu: case CMD_aunmenu:
3759 case CMD_nmenu: case CMD_nnoremenu: case CMD_nunmenu:
3760 case CMD_vmenu: case CMD_vnoremenu: case CMD_vunmenu:
3761 case CMD_omenu: case CMD_onoremenu: case CMD_ounmenu:
3762 case CMD_imenu: case CMD_inoremenu: case CMD_iunmenu:
3763 case CMD_cmenu: case CMD_cnoremenu: case CMD_cunmenu:
3764 case CMD_tmenu: case CMD_tunmenu:
3765 case CMD_popup: case CMD_tearoff: case CMD_emenu:
3766 #ifdef FEAT_GUI_MACVIM
3767 case CMD_macmenu:
3768 #endif
3769 return set_context_in_menu_cmd(xp, cmd, arg, forceit);
3770 #endif
3771
3772 case CMD_colorscheme:
3773 xp->xp_context = EXPAND_COLORS;
3774 xp->xp_pattern = arg;
3775 break;
3776
3777 case CMD_compiler:
3778 xp->xp_context = EXPAND_COMPILER;
3779 xp->xp_pattern = arg;
3780 break;
3781
3782 #if (defined(HAVE_LOCALE_H) || defined(X_LOCALE)) \
3783 && (defined(FEAT_GETTEXT) || defined(FEAT_MBYTE))
3784 case CMD_language:
3785 if (*skiptowhite(arg) == NUL)
3786 {
3787 xp->xp_context = EXPAND_LANGUAGE;
3788 xp->xp_pattern = arg;
3789 }
3790 else
3791 xp->xp_context = EXPAND_NOTHING;
3792 break;
3793 #endif
3794
3795 #ifdef FEAT_GUI_MACVIM
3796 case CMD_macaction:
3797 xp->xp_context = EXPAND_MACACTION;
3798 xp->xp_pattern = arg;
3799 break;
3800 #endif
3801
3802
3803 #endif /* FEAT_CMDL_COMPL */
3804
3805 default:
3806 break;
3807 }
3808 return NULL;
3809 }
3810
3811 /*
3812 * skip a range specifier of the form: addr [,addr] [;addr] ..
3813 *
3814 * Backslashed delimiters after / or ? will be skipped, and commands will
3815 * not be expanded between /'s and ?'s or after "'".
3816 *
3817 * Also skip white space and ":" characters.
3818 * Returns the "cmd" pointer advanced to beyond the range.
3819 */
3820 char_u *
3821 skip_range(cmd, ctx)
3822 char_u *cmd;
3823 int *ctx; /* pointer to xp_context or NULL */
3824 {
3825 int delim;
3826
3827 while (vim_strchr((char_u *)" \t0123456789.$%'/?-+,;", *cmd) != NULL)
3828 {
3829 if (*cmd == '\'')
3830 {
3831 if (*++cmd == NUL && ctx != NULL)
3832 *ctx = EXPAND_NOTHING;
3833 }
3834 else if (*cmd == '/' || *cmd == '?')
3835 {
3836 delim = *cmd++;
3837 while (*cmd != NUL && *cmd != delim)
3838 if (*cmd++ == '\\' && *cmd != NUL)
3839 ++cmd;
3840 if (*cmd == NUL && ctx != NULL)
3841 *ctx = EXPAND_NOTHING;
3842 }
3843 if (*cmd != NUL)
3844 ++cmd;
3845 }
3846
3847 /* Skip ":" and white space. */
3848 while (*cmd == ':')
3849 cmd = skipwhite(cmd + 1);
3850
3851 return cmd;
3852 }
3853
3854 /*
3855 * get a single EX address
3856 *
3857 * Set ptr to the next character after the part that was interpreted.
3858 * Set ptr to NULL when an error is encountered.
3859 *
3860 * Return MAXLNUM when no Ex address was found.
3861 */
3862 static linenr_T
3863 get_address(ptr, skip, to_other_file)
3864 char_u **ptr;
3865 int skip; /* only skip the address, don't use it */
3866 int to_other_file; /* flag: may jump to other file */
3867 {
3868 int c;
3869 int i;
3870 long n;
3871 char_u *cmd;
3872 pos_T pos;
3873 pos_T *fp;
3874 linenr_T lnum;
3875
3876 cmd = skipwhite(*ptr);
3877 lnum = MAXLNUM;
3878 do
3879 {
3880 switch (*cmd)
3881 {
3882 case '.': /* '.' - Cursor position */
3883 ++cmd;
3884 lnum = curwin->w_cursor.lnum;
3885 break;
3886
3887 case '$': /* '$' - last line */
3888 ++cmd;
3889 lnum = curbuf->b_ml.ml_line_count;
3890 break;
3891
3892 case '\'': /* ''' - mark */
3893 if (*++cmd == NUL)
3894 {
3895 cmd = NULL;
3896 goto error;
3897 }
3898 if (skip)
3899 ++cmd;
3900 else
3901 {
3902 /* Only accept a mark in another file when it is
3903 * used by itself: ":'M". */
3904 fp = getmark(*cmd, to_other_file && cmd[1] == NUL);
3905 ++cmd;
3906 if (fp == (pos_T *)-1)
3907 /* Jumped to another file. */
3908 lnum = curwin->w_cursor.lnum;
3909 else
3910 {
3911 if (check_mark(fp) == FAIL)
3912 {
3913 cmd = NULL;
3914 goto error;
3915 }
3916 lnum = fp->lnum;
3917 }
3918 }
3919 break;
3920
3921 case '/':
3922 case '?': /* '/' or '?' - search */
3923 c = *cmd++;
3924 if (skip) /* skip "/pat/" */
3925 {
3926 cmd = skip_regexp(cmd, c, (int)p_magic, NULL);
3927 if (*cmd == c)
3928 ++cmd;
3929 }
3930 else
3931 {
3932 pos = curwin->w_cursor; /* save curwin->w_cursor */
3933 /*
3934 * When '/' or '?' follows another address, start
3935 * from there.
3936 */
3937 if (lnum != MAXLNUM)
3938 curwin->w_cursor.lnum = lnum;
3939 /*
3940 * Start a forward search at the end of the line.
3941 * Start a backward search at the start of the line.
3942 * This makes sure we never match in the current
3943 * line, and can match anywhere in the
3944 * next/previous line.
3945 */
3946 if (c == '/')
3947 curwin->w_cursor.col = MAXCOL;
3948 else
3949 curwin->w_cursor.col = 0;
3950 searchcmdlen = 0;
3951 if (!do_search(NULL, c, cmd, 1L,
3952 SEARCH_HIS | SEARCH_MSG, NULL))
3953 {
3954 curwin->w_cursor = pos;
3955 cmd = NULL;
3956 goto error;
3957 }
3958 lnum = curwin->w_cursor.lnum;
3959 curwin->w_cursor = pos;
3960 /* adjust command string pointer */
3961 cmd += searchcmdlen;
3962 }
3963 break;
3964
3965 case '\\': /* "\?", "\/" or "\&", repeat search */
3966 ++cmd;
3967 if (*cmd == '&')
3968 i = RE_SUBST;
3969 else if (*cmd == '?' || *cmd == '/')
3970 i = RE_SEARCH;
3971 else
3972 {
3973 EMSG(_(e_backslash));
3974 cmd = NULL;
3975 goto error;
3976 }
3977
3978 if (!skip)
3979 {
3980 /*
3981 * When search follows another address, start from
3982 * there.
3983 */
3984 if (lnum != MAXLNUM)
3985 pos.lnum = lnum;
3986 else
3987 pos.lnum = curwin->w_cursor.lnum;
3988
3989 /*
3990 * Start the search just like for the above
3991 * do_search().
3992 */
3993 if (*cmd != '?')
3994 pos.col = MAXCOL;
3995 else
3996 pos.col = 0;
3997 if (searchit(curwin, curbuf, &pos,
3998 *cmd == '?' ? BACKWARD : FORWARD,
3999 (char_u *)"", 1L, SEARCH_MSG,
4000 i, (linenr_T)0, NULL) != FAIL)
4001 lnum = pos.lnum;
4002 else
4003 {
4004 cmd = NULL;
4005 goto error;
4006 }
4007 }
4008 ++cmd;
4009 break;
4010
4011 default:
4012 if (VIM_ISDIGIT(*cmd)) /* absolute line number */
4013 lnum = getdigits(&cmd);
4014 }
4015
4016 for (;;)
4017 {
4018 cmd = skipwhite(cmd);
4019 if (*cmd != '-' && *cmd != '+' && !VIM_ISDIGIT(*cmd))
4020 break;
4021
4022 if (lnum == MAXLNUM)
4023 lnum = curwin->w_cursor.lnum; /* "+1" is same as ".+1" */
4024 if (VIM_ISDIGIT(*cmd))
4025 i = '+'; /* "number" is same as "+number" */
4026 else
4027 i = *cmd++;
4028 if (!VIM_ISDIGIT(*cmd)) /* '+' is '+1', but '+0' is not '+1' */
4029 n = 1;
4030 else
4031 n = getdigits(&cmd);
4032 if (i == '-')
4033 lnum -= n;
4034 else
4035 lnum += n;
4036 }
4037 } while (*cmd == '/' || *cmd == '?');
4038
4039 error:
4040 *ptr = cmd;
4041 return lnum;
4042 }
4043
4044 /*
4045 * Get flags from an Ex command argument.
4046 */
4047 static void
4048 get_flags(eap)
4049 exarg_T *eap;
4050 {
4051 while (vim_strchr((char_u *)"lp#", *eap->arg) != NULL)
4052 {
4053 if (*eap->arg == 'l')
4054 eap->flags |= EXFLAG_LIST;
4055 else if (*eap->arg == 'p')
4056 eap->flags |= EXFLAG_PRINT;
4057 else
4058 eap->flags |= EXFLAG_NR;
4059 eap->arg = skipwhite(eap->arg + 1);
4060 }
4061 }
4062
4063 /*
4064 * Function called for command which is Not Implemented. NI!
4065 */
4066 void
4067 ex_ni(eap)
4068 exarg_T *eap;
4069 {
4070 if (!eap->skip)
4071 eap->errmsg = (char_u *)N_("E319: Sorry, the command is not available in this version");
4072 }
4073
4074 #ifdef HAVE_EX_SCRIPT_NI
4075 /*
4076 * Function called for script command which is Not Implemented. NI!
4077 * Skips over ":perl <<EOF" constructs.
4078 */
4079 static void
4080 ex_script_ni(eap)
4081 exarg_T *eap;
4082 {
4083 if (!eap->skip)
4084 ex_ni(eap);
4085 else
4086 vim_free(script_get(eap, eap->arg));
4087 }
4088 #endif
4089
4090 /*
4091 * Check range in Ex command for validity.
4092 * Return NULL when valid, error message when invalid.
4093 */
4094 static char_u *
4095 invalid_range(eap)
4096 exarg_T *eap;
4097 {
4098 if ( eap->line1 < 0
4099 || eap->line2 < 0
4100 || eap->line1 > eap->line2
4101 || ((eap->argt & RANGE)
4102 && !(eap->argt & NOTADR)
4103 && eap->line2 > curbuf->b_ml.ml_line_count
4104 #ifdef FEAT_DIFF
4105 + (eap->cmdidx == CMD_diffget)
4106 #endif
4107 ))
4108 return (char_u *)_(e_invrange);
4109 return NULL;
4110 }
4111
4112 /*
4113 * Correct the range for zero line number, if required.
4114 */
4115 static void
4116 correct_range(eap)
4117 exarg_T *eap;
4118 {
4119 if (!(eap->argt & ZEROR)) /* zero in range not allowed */
4120 {
4121 if (eap->line1 == 0)
4122 eap->line1 = 1;
4123 if (eap->line2 == 0)
4124 eap->line2 = 1;
4125 }
4126 }
4127
4128 #ifdef FEAT_QUICKFIX
4129 static char_u *skip_grep_pat __ARGS((exarg_T *eap));
4130
4131 /*
4132 * For a ":vimgrep" or ":vimgrepadd" command return a pointer past the
4133 * pattern. Otherwise return eap->arg.
4134 */
4135 static char_u *
4136 skip_grep_pat(eap)
4137 exarg_T *eap;
4138 {
4139 char_u *p = eap->arg;
4140
4141 if (*p != NUL && (eap->cmdidx == CMD_vimgrep || eap->cmdidx == CMD_lvimgrep
4142 || eap->cmdidx == CMD_vimgrepadd
4143 || eap->cmdidx == CMD_lvimgrepadd
4144 || grep_internal(eap->cmdidx)))
4145 {
4146 p = skip_vimgrep_pat(p, NULL, NULL);
4147 if (p == NULL)
4148 p = eap->arg;
4149 }
4150 return p;
4151 }
4152
4153 /*
4154 * For the ":make" and ":grep" commands insert the 'makeprg'/'grepprg' option
4155 * in the command line, so that things like % get expanded.
4156 */
4157 static char_u *
4158 replace_makeprg(eap, p, cmdlinep)
4159 exarg_T *eap;
4160 char_u *p;
4161 char_u **cmdlinep;
4162 {
4163 char_u *new_cmdline;
4164 char_u *program;
4165 char_u *pos;
4166 char_u *ptr;
4167 int len;
4168 int i;
4169
4170 /*
4171 * Don't do it when ":vimgrep" is used for ":grep".
4172 */
4173 if ((eap->cmdidx == CMD_make || eap->cmdidx == CMD_lmake
4174 || eap->cmdidx == CMD_grep || eap->cmdidx == CMD_lgrep
4175 || eap->cmdidx == CMD_grepadd
4176 || eap->cmdidx == CMD_lgrepadd)
4177 && !grep_internal(eap->cmdidx))
4178 {
4179 if (eap->cmdidx == CMD_grep || eap->cmdidx == CMD_lgrep
4180 || eap->cmdidx == CMD_grepadd || eap->cmdidx == CMD_lgrepadd)
4181 {
4182 if (*curbuf->b_p_gp == NUL)
4183 program = p_gp;
4184 else
4185 program = curbuf->b_p_gp;
4186 }
4187 else
4188 {
4189 if (*curbuf->b_p_mp == NUL)
4190 program = p_mp;
4191 else
4192 program = curbuf->b_p_mp;
4193 }
4194
4195 p = skipwhite(p);
4196
4197 if ((pos = (char_u *)strstr((char *)program, "$*")) != NULL)
4198 {
4199 /* replace $* by given arguments */
4200 i = 1;
4201 while ((pos = (char_u *)strstr((char *)pos + 2, "$*")) != NULL)
4202 ++i;
4203 len = (int)STRLEN(p);
4204 new_cmdline = alloc((int)(STRLEN(program) + i * (len - 2) + 1));
4205 if (new_cmdline == NULL)
4206 return NULL; /* out of memory */
4207 ptr = new_cmdline;
4208 while ((pos = (char_u *)strstr((char *)program, "$*")) != NULL)
4209 {
4210 i = (int)(pos - program);
4211 STRNCPY(ptr, program, i);
4212 STRCPY(ptr += i, p);
4213 ptr += len;
4214 program = pos + 2;
4215 }
4216 STRCPY(ptr, program);
4217 }
4218 else
4219 {
4220 new_cmdline = alloc((int)(STRLEN(program) + STRLEN(p) + 2));
4221 if (new_cmdline == NULL)
4222 return NULL; /* out of memory */
4223 STRCPY(new_cmdline, program);
4224 STRCAT(new_cmdline, " ");
4225 STRCAT(new_cmdline, p);
4226 }
4227 msg_make(p);
4228
4229 /* 'eap->cmd' is not set here, because it is not used at CMD_make */
4230 vim_free(*cmdlinep);
4231 *cmdlinep = new_cmdline;
4232 p = new_cmdline;
4233 }
4234 return p;
4235 }
4236 #endif
4237
4238 /*
4239 * Expand file name in Ex command argument.
4240 * Return FAIL for failure, OK otherwise.
4241 */
4242 int
4243 expand_filename(eap, cmdlinep, errormsgp)
4244 exarg_T *eap;
4245 char_u **cmdlinep;
4246 char_u **errormsgp;
4247 {
4248 int has_wildcards; /* need to expand wildcards */
4249 char_u *repl;
4250 int srclen;
4251 char_u *p;
4252 int n;
4253 int escaped;
4254
4255 #ifdef FEAT_QUICKFIX
4256 /* Skip a regexp pattern for ":vimgrep[add] pat file..." */
4257 p = skip_grep_pat(eap);
4258 #else
4259 p = eap->arg;
4260 #endif
4261
4262 /*
4263 * Decide to expand wildcards *before* replacing '%', '#', etc. If
4264 * the file name contains a wildcard it should not cause expanding.
4265 * (it will be expanded anyway if there is a wildcard before replacing).
4266 */
4267 has_wildcards = mch_has_wildcard(p);
4268 while (*p != NUL)
4269 {
4270 #ifdef FEAT_EVAL
4271 /* Skip over `=expr`, wildcards in it are not expanded. */
4272 if (p[0] == '`' && p[1] == '=')
4273 {
4274 p += 2;
4275 (void)skip_expr(&p);
4276 if (*p == '`')
4277 ++p;
4278 continue;
4279 }
4280 #endif
4281 /*
4282 * Quick check if this cannot be the start of a special string.
4283 * Also removes backslash before '%', '#' and '<'.
4284 */
4285 if (vim_strchr((char_u *)"%#<", *p) == NULL)
4286 {
4287 ++p;
4288 continue;
4289 }
4290
4291 /*
4292 * Try to find a match at this position.
4293 */
4294 repl = eval_vars(p, eap->arg, &srclen, &(eap->do_ecmd_lnum),
4295 errormsgp, &escaped);
4296 if (*errormsgp != NULL) /* error detected */
4297 return FAIL;
4298 if (repl == NULL) /* no match found */
4299 {
4300 p += srclen;
4301 continue;
4302 }
4303
4304 /* Wildcards won't be expanded below, the replacement is taken
4305 * literally. But do expand "~/file", "~user/file" and "$HOME/file". */
4306 if (vim_strchr(repl, '$') != NULL || vim_strchr(repl, '~') != NULL)
4307 {
4308 char_u *l = repl;
4309
4310 repl = expand_env_save(repl);
4311 vim_free(l);
4312 }
4313
4314 /* Need to escape white space et al. with a backslash.
4315 * Don't do this for:
4316 * - replacement that already has been escaped: "##"
4317 * - shell commands (may have to use quotes instead).
4318 * - non-unix systems when there is a single argument (spaces don't
4319 * separate arguments then).
4320 */
4321 if (!eap->usefilter
4322 && !escaped
4323 && eap->cmdidx != CMD_bang
4324 && eap->cmdidx != CMD_make
4325 && eap->cmdidx != CMD_lmake
4326 && eap->cmdidx != CMD_grep
4327 && eap->cmdidx != CMD_lgrep
4328 && eap->cmdidx != CMD_grepadd
4329 && eap->cmdidx != CMD_lgrepadd
4330 #ifndef UNIX
4331 && !(eap->argt & NOSPC)
4332 #endif
4333 )
4334 {
4335 char_u *l;
4336 #ifdef BACKSLASH_IN_FILENAME
4337 /* Don't escape a backslash here, because rem_backslash() doesn't
4338 * remove it later. */
4339 static char_u *nobslash = (char_u *)" \t\"|";
4340 # define ESCAPE_CHARS nobslash
4341 #else
4342 # define ESCAPE_CHARS escape_chars
4343 #endif
4344
4345 for (l = repl; *l; ++l)
4346 if (vim_strchr(ESCAPE_CHARS, *l) != NULL)
4347 {
4348 l = vim_strsave_escaped(repl, ESCAPE_CHARS);
4349 if (l != NULL)
4350 {
4351 vim_free(repl);
4352 repl = l;
4353 }
4354 break;
4355 }
4356 }
4357
4358 /* For a shell command a '!' must be escaped. */
4359 if ((eap->usefilter || eap->cmdidx == CMD_bang)
4360 && vim_strpbrk(repl, (char_u *)"!&;()<>") != NULL)
4361 {
4362 char_u *l;
4363
4364 l = vim_strsave_escaped(repl, (char_u *)"!&;()<>");
4365 if (l != NULL)
4366 {
4367 vim_free(repl);
4368 repl = l;
4369 /* For a sh-like shell escape "!" another time. */
4370 if (strstr((char *)p_sh, "sh") != NULL)
4371 {
4372 l = vim_strsave_escaped(repl, (char_u *)"!");
4373 if (l != NULL)
4374 {
4375 vim_free(repl);
4376 repl = l;
4377 }
4378 }
4379 }
4380 }
4381
4382 p = repl_cmdline(eap, p, srclen, repl, cmdlinep);
4383 vim_free(repl);
4384 if (p == NULL)
4385 return FAIL;
4386 }
4387
4388 /*
4389 * One file argument: Expand wildcards.
4390 * Don't do this with ":r !command" or ":w !command".
4391 */
4392 if ((eap->argt & NOSPC) && !eap->usefilter)
4393 {
4394 /*
4395 * May do this twice:
4396 * 1. Replace environment variables.
4397 * 2. Replace any other wildcards, remove backslashes.
4398 */
4399 for (n = 1; n <= 2; ++n)
4400 {
4401 if (n == 2)
4402 {
4403 #ifdef UNIX
4404 /*
4405 * Only for Unix we check for more than one file name.
4406 * For other systems spaces are considered to be part
4407 * of the file name.
4408 * Only check here if there is no wildcard, otherwise
4409 * ExpandOne() will check for errors. This allows
4410 * ":e `ls ve*.c`" on Unix.
4411 */
4412 if (!has_wildcards)
4413 for (p = eap->arg; *p; ++p)
4414 {
4415 /* skip escaped characters */
4416 if (p[1] && (*p == '\\' || *p == Ctrl_V))
4417 ++p;
4418 else if (vim_iswhite(*p))
4419 {
4420 *errormsgp = (char_u *)_("E172: Only one file name allowed");
4421 return FAIL;
4422 }
4423 }
4424 #endif
4425
4426 /*
4427 * Halve the number of backslashes (this is Vi compatible).
4428 * For Unix and OS/2, when wildcards are expanded, this is
4429 * done by ExpandOne() below.
4430 */
4431 #if defined(UNIX) || defined(OS2)
4432 if (!has_wildcards)
4433 #endif
4434 backslash_halve(eap->arg);
4435 }
4436
4437 if (has_wildcards)
4438 {
4439 if (n == 1)
4440 {
4441 /*
4442 * First loop: May expand environment variables. This
4443 * can be done much faster with expand_env() than with
4444 * something else (e.g., calling a shell).
4445 * After expanding environment variables, check again
4446 * if there are still wildcards present.
4447 */
4448 if (vim_strchr(eap->arg, '$') != NULL
4449 || vim_strchr(eap->arg, '~') != NULL)
4450 {
4451 expand_env_esc(eap->arg, NameBuff, MAXPATHL,
4452 TRUE, TRUE, NULL);
4453 has_wildcards = mch_has_wildcard(NameBuff);
4454 p = NameBuff;
4455 }
4456 else
4457 p = NULL;
4458 }
4459 else /* n == 2 */
4460 {
4461 expand_T xpc;
4462
4463 ExpandInit(&xpc);
4464 xpc.xp_context = EXPAND_FILES;
4465 p = ExpandOne(&xpc, eap->arg, NULL,
4466 WILD_LIST_NOTFOUND|WILD_ADD_SLASH,
4467 WILD_EXPAND_FREE);
4468 if (p == NULL)
4469 return FAIL;
4470 }
4471 if (p != NULL)
4472 {
4473 (void)repl_cmdline(eap, eap->arg, (int)STRLEN(eap->arg),
4474 p, cmdlinep);
4475 if (n == 2) /* p came from ExpandOne() */
4476 vim_free(p);
4477 }
4478 }
4479 }
4480 }
4481 return OK;
4482 }
4483
4484 /*
4485 * Replace part of the command line, keeping eap->cmd, eap->arg and
4486 * eap->nextcmd correct.
4487 * "src" points to the part that is to be replaced, of length "srclen".
4488 * "repl" is the replacement string.
4489 * Returns a pointer to the character after the replaced string.
4490 * Returns NULL for failure.
4491 */
4492 static char_u *
4493 repl_cmdline(eap, src, srclen, repl, cmdlinep)
4494 exarg_T *eap;
4495 char_u *src;
4496 int srclen;
4497 char_u *repl;
4498 char_u **cmdlinep;
4499 {
4500 int len;
4501 int i;
4502 char_u *new_cmdline;
4503
4504 /*
4505 * The new command line is build in new_cmdline[].
4506 * First allocate it.
4507 * Careful: a "+cmd" argument may have been NUL terminated.
4508 */
4509 len = (int)STRLEN(repl);
4510 i = (int)(src - *cmdlinep) + (int)STRLEN(src + srclen) + len + 3;
4511 if (eap->nextcmd != NULL)
4512 i += (int)STRLEN(eap->nextcmd);/* add space for next command */
4513 if ((new_cmdline = alloc((unsigned)i)) == NULL)
4514 return NULL; /* out of memory! */
4515
4516 /*
4517 * Copy the stuff before the expanded part.
4518 * Copy the expanded stuff.
4519 * Copy what came after the expanded part.
4520 * Copy the next commands, if there are any.
4521 */
4522 i = (int)(src - *cmdlinep); /* length of part before match */
4523 mch_memmove(new_cmdline, *cmdlinep, (size_t)i);
4524
4525 mch_memmove(new_cmdline + i, repl, (size_t)len);
4526 i += len; /* remember the end of the string */
4527 STRCPY(new_cmdline + i, src + srclen);
4528 src = new_cmdline + i; /* remember where to continue */
4529
4530 if (eap->nextcmd != NULL) /* append next command */
4531 {
4532 i = (int)STRLEN(new_cmdline) + 1;
4533 STRCPY(new_cmdline + i, eap->nextcmd);
4534 eap->nextcmd = new_cmdline + i;
4535 }
4536 eap->cmd = new_cmdline + (eap->cmd - *cmdlinep);
4537 eap->arg = new_cmdline + (eap->arg - *cmdlinep);
4538 if (eap->do_ecmd_cmd != NULL && eap->do_ecmd_cmd != dollar_command)
4539 eap->do_ecmd_cmd = new_cmdline + (eap->do_ecmd_cmd - *cmdlinep);
4540 vim_free(*cmdlinep);
4541 *cmdlinep = new_cmdline;
4542
4543 return src;
4544 }
4545
4546 /*
4547 * Check for '|' to separate commands and '"' to start comments.
4548 */
4549 void
4550 separate_nextcmd(eap)
4551 exarg_T *eap;
4552 {
4553 char_u *p;
4554
4555 #ifdef FEAT_QUICKFIX
4556 p = skip_grep_pat(eap);
4557 #else
4558 p = eap->arg;
4559 #endif
4560
4561 for ( ; *p; mb_ptr_adv(p))
4562 {
4563 if (*p == Ctrl_V)
4564 {
4565 if (eap->argt & (USECTRLV | XFILE))
4566 ++p; /* skip CTRL-V and next char */
4567 else
4568 /* remove CTRL-V and skip next char */
4569 STRMOVE(p, p + 1);
4570 if (*p == NUL) /* stop at NUL after CTRL-V */
4571 break;
4572 }
4573
4574 #ifdef FEAT_EVAL
4575 /* Skip over `=expr` when wildcards are expanded. */
4576 else if (p[0] == '`' && p[1] == '=' && (eap->argt & XFILE))
4577 {
4578 p += 2;
4579 (void)skip_expr(&p);
4580 }
4581 #endif
4582
4583 /* Check for '"': start of comment or '|': next command */
4584 /* :@" and :*" do not start a comment!
4585 * :redir @" doesn't either. */
4586 else if ((*p == '"' && !(eap->argt & NOTRLCOM)
4587 && ((eap->cmdidx != CMD_at && eap->cmdidx != CMD_star)
4588 || p != eap->arg)
4589 && (eap->cmdidx != CMD_redir
4590 || p != eap->arg + 1 || p[-1] != '@'))
4591 || *p == '|' || *p == '\n')
4592 {
4593 /*
4594 * We remove the '\' before the '|', unless USECTRLV is used
4595 * AND 'b' is present in 'cpoptions'.
4596 */
4597 if ((vim_strchr(p_cpo, CPO_BAR) == NULL
4598 || !(eap->argt & USECTRLV)) && *(p - 1) == '\\')
4599 {
4600 STRMOVE(p - 1, p); /* remove the '\' */
4601 --p;
4602 }
4603 else
4604 {
4605 eap->nextcmd = check_nextcmd(p);
4606 *p = NUL;
4607 break;
4608 }
4609 }
4610 }
4611
4612 if (!(eap->argt & NOTRLCOM)) /* remove trailing spaces */
4613 del_trailing_spaces(eap->arg);
4614 }
4615
4616 /*
4617 * get + command from ex argument
4618 */
4619 static char_u *
4620 getargcmd(argp)
4621 char_u **argp;
4622 {
4623 char_u *arg = *argp;
4624 char_u *command = NULL;
4625
4626 if (*arg == '+') /* +[command] */
4627 {
4628 ++arg;
4629 if (vim_isspace(*arg))
4630 command = dollar_command;
4631 else
4632 {
4633 command = arg;
4634 arg = skip_cmd_arg(command, TRUE);
4635 if (*arg != NUL)
4636 *arg++ = NUL; /* terminate command with NUL */
4637 }
4638
4639 arg = skipwhite(arg); /* skip over spaces */
4640 *argp = arg;
4641 }
4642 return command;
4643 }
4644
4645 /*
4646 * Find end of "+command" argument. Skip over "\ " and "\\".
4647 */
4648 static char_u *
4649 skip_cmd_arg(p, rembs)
4650 char_u *p;
4651 int rembs; /* TRUE to halve the number of backslashes */
4652 {
4653 while (*p && !vim_isspace(*p))
4654 {
4655 if (*p == '\\' && p[1] != NUL)
4656 {
4657 if (rembs)
4658 STRMOVE(p, p + 1);
4659 else
4660 ++p;
4661 }
4662 mb_ptr_adv(p);
4663 }
4664 return p;
4665 }
4666
4667 /*
4668 * Get "++opt=arg" argument.
4669 * Return FAIL or OK.
4670 */
4671 static int
4672 getargopt(eap)
4673 exarg_T *eap;
4674 {
4675 char_u *arg = eap->arg + 2;
4676 int *pp = NULL;
4677 #ifdef FEAT_MBYTE
4678 char_u *p;
4679 #endif
4680
4681 /* ":edit ++[no]bin[ary] file" */
4682 if (STRNCMP(arg, "bin", 3) == 0 || STRNCMP(arg, "nobin", 5) == 0)
4683 {
4684 if (*arg == 'n')
4685 {
4686 arg += 2;
4687 eap->force_bin = FORCE_NOBIN;
4688 }
4689 else
4690 eap->force_bin = FORCE_BIN;
4691 if (!checkforcmd(&arg, "binary", 3))
4692 return FAIL;
4693 eap->arg = skipwhite(arg);
4694 return OK;
4695 }
4696
4697 /* ":read ++edit file" */
4698 if (STRNCMP(arg, "edit", 4) == 0)
4699 {
4700 eap->read_edit = TRUE;
4701 eap->arg = skipwhite(arg + 4);
4702 return OK;
4703 }
4704
4705 if (STRNCMP(arg, "ff", 2) == 0)
4706 {
4707 arg += 2;
4708 pp = &eap->force_ff;
4709 }
4710 else if (STRNCMP(arg, "fileformat", 10) == 0)
4711 {
4712 arg += 10;
4713 pp = &eap->force_ff;
4714 }
4715 #ifdef FEAT_MBYTE
4716 else if (STRNCMP(arg, "enc", 3) == 0)
4717 {
4718 arg += 3;
4719 pp = &eap->force_enc;
4720 }
4721 else if (STRNCMP(arg, "encoding", 8) == 0)
4722 {
4723 arg += 8;
4724 pp = &eap->force_enc;
4725 }
4726 else if (STRNCMP(arg, "bad", 3) == 0)
4727 {
4728 arg += 3;
4729 pp = &eap->bad_char;
4730 }
4731 #endif
4732
4733 if (pp == NULL || *arg != '=')
4734 return FAIL;
4735
4736 ++arg;
4737 *pp = (int)(arg - eap->cmd);
4738 arg = skip_cmd_arg(arg, FALSE);
4739 eap->arg = skipwhite(arg);
4740 *arg = NUL;
4741
4742 #ifdef FEAT_MBYTE
4743 if (pp == &eap->force_ff)
4744 {
4745 #endif
4746 if (check_ff_value(eap->cmd + eap->force_ff) == FAIL)
4747 return FAIL;
4748 #ifdef FEAT_MBYTE
4749 }
4750 else if (pp == &eap->force_enc)
4751 {
4752 /* Make 'fileencoding' lower case. */
4753 for (p = eap->cmd + eap->force_enc; *p != NUL; ++p)
4754 *p = TOLOWER_ASC(*p);
4755 }
4756 else
4757 {
4758 /* Check ++bad= argument. Must be a single-byte character, "keep" or
4759 * "drop". */
4760 p = eap->cmd + eap->bad_char;
4761 if (STRICMP(p, "keep") == 0)
4762 eap->bad_char = BAD_KEEP;
4763 else if (STRICMP(p, "drop") == 0)
4764 eap->bad_char = BAD_DROP;
4765 else if (MB_BYTE2LEN(*p) == 1 && p[1] == NUL)
4766 eap->bad_char = *p;
4767 else
4768 return FAIL;
4769 }
4770 #endif
4771
4772 return OK;
4773 }
4774
4775 /*
4776 * ":abbreviate" and friends.
4777 */
4778 static void
4779 ex_abbreviate(eap)
4780 exarg_T *eap;
4781 {
4782 do_exmap(eap, TRUE); /* almost the same as mapping */
4783 }
4784
4785 /*
4786 * ":map" and friends.
4787 */
4788 static void
4789 ex_map(eap)
4790 exarg_T *eap;
4791 {
4792 /*
4793 * If we are sourcing .exrc or .vimrc in current directory we
4794 * print the mappings for security reasons.
4795 */
4796 if (secure)
4797 {
4798 secure = 2;
4799 msg_outtrans(eap->cmd);
4800 msg_putchar('\n');
4801 }
4802 do_exmap(eap, FALSE);
4803 }
4804
4805 /*
4806 * ":unmap" and friends.
4807 */
4808 static void
4809 ex_unmap(eap)
4810 exarg_T *eap;
4811 {
4812 do_exmap(eap, FALSE);
4813 }
4814
4815 /*
4816 * ":mapclear" and friends.
4817 */
4818 static void
4819 ex_mapclear(eap)
4820 exarg_T *eap;
4821 {
4822 map_clear(eap->cmd, eap->arg, eap->forceit, FALSE);
4823 }
4824
4825 /*
4826 * ":abclear" and friends.
4827 */
4828 static void
4829 ex_abclear(eap)
4830 exarg_T *eap;
4831 {
4832 map_clear(eap->cmd, eap->arg, TRUE, TRUE);
4833 }
4834
4835 #ifdef FEAT_AUTOCMD
4836 static void
4837 ex_autocmd(eap)
4838 exarg_T *eap;
4839 {
4840 /*
4841 * Disallow auto commands from .exrc and .vimrc in current
4842 * directory for security reasons.
4843 */
4844 if (secure)
4845 {
4846 secure = 2;
4847 eap->errmsg = e_curdir;
4848 }
4849 else if (eap->cmdidx == CMD_autocmd)
4850 do_autocmd(eap->arg, eap->forceit);
4851 else
4852 do_augroup(eap->arg, eap->forceit);
4853 }
4854
4855 /*
4856 * ":doautocmd": Apply the automatic commands to the current buffer.
4857 */
4858 static void
4859 ex_doautocmd(eap)
4860 exarg_T *eap;
4861 {
4862 (void)do_doautocmd(eap->arg, TRUE);
4863 do_modelines(0);
4864 }
4865 #endif
4866
4867 #ifdef FEAT_LISTCMDS
4868 /*
4869 * :[N]bunload[!] [N] [bufname] unload buffer
4870 * :[N]bdelete[!] [N] [bufname] delete buffer from buffer list
4871 * :[N]bwipeout[!] [N] [bufname] delete buffer really
4872 */
4873 static void
4874 ex_bunload(eap)
4875 exarg_T *eap;
4876 {
4877 eap->errmsg = do_bufdel(
4878 eap->cmdidx == CMD_bdelete ? DOBUF_DEL
4879 : eap->cmdidx == CMD_bwipeout ? DOBUF_WIPE
4880 : DOBUF_UNLOAD, eap->arg,
4881 eap->addr_count, (int)eap->line1, (int)eap->line2, eap->forceit);
4882 }
4883
4884 /*
4885 * :[N]buffer [N] to buffer N
4886 * :[N]sbuffer [N] to buffer N
4887 */
4888 static void
4889 ex_buffer(eap)
4890 exarg_T *eap;
4891 {
4892 if (*eap->arg)
4893 eap->errmsg = e_trailing;
4894 else
4895 {
4896 if (eap->addr_count == 0) /* default is current buffer */
4897 goto_buffer(eap, DOBUF_CURRENT, FORWARD, 0);
4898 else
4899 goto_buffer(eap, DOBUF_FIRST, FORWARD, (int)eap->line2);
4900 }
4901 }
4902
4903 /*
4904 * :[N]bmodified [N] to next mod. buffer
4905 * :[N]sbmodified [N] to next mod. buffer
4906 */
4907 static void
4908 ex_bmodified(eap)
4909 exarg_T *eap;
4910 {
4911 goto_buffer(eap, DOBUF_MOD, FORWARD, (int)eap->line2);
4912 }
4913
4914 /*
4915 * :[N]bnext [N] to next buffer
4916 * :[N]sbnext [N] split and to next buffer
4917 */
4918 static void
4919 ex_bnext(eap)
4920 exarg_T *eap;
4921 {
4922 goto_buffer(eap, DOBUF_CURRENT, FORWARD, (int)eap->line2);
4923 }
4924
4925 /*
4926 * :[N]bNext [N] to previous buffer
4927 * :[N]bprevious [N] to previous buffer
4928 * :[N]sbNext [N] split and to previous buffer
4929 * :[N]sbprevious [N] split and to previous buffer
4930 */
4931 static void
4932 ex_bprevious(eap)
4933 exarg_T *eap;
4934 {
4935 goto_buffer(eap, DOBUF_CURRENT, BACKWARD, (int)eap->line2);
4936 }
4937
4938 /*
4939 * :brewind to first buffer
4940 * :bfirst to first buffer
4941 * :sbrewind split and to first buffer
4942 * :sbfirst split and to first buffer
4943 */
4944 static void
4945 ex_brewind(eap)
4946 exarg_T *eap;
4947 {
4948 goto_buffer(eap, DOBUF_FIRST, FORWARD, 0);
4949 }
4950
4951 /*
4952 * :blast to last buffer
4953 * :sblast split and to last buffer
4954 */
4955 static void
4956 ex_blast(eap)
4957 exarg_T *eap;
4958 {
4959 goto_buffer(eap, DOBUF_LAST, BACKWARD, 0);
4960 }
4961 #endif
4962
4963 int
4964 ends_excmd(c)
4965 int c;
4966 {
4967 return (c == NUL || c == '|' || c == '"' || c == '\n');
4968 }
4969
4970 #if defined(FEAT_SYN_HL) || defined(FEAT_SEARCH_EXTRA) || defined(FEAT_EVAL) \
4971 || defined(PROTO)
4972 /*
4973 * Return the next command, after the first '|' or '\n'.
4974 * Return NULL if not found.
4975 */
4976 char_u *
4977 find_nextcmd(p)
4978 char_u *p;
4979 {
4980 while (*p != '|' && *p != '\n')
4981 {
4982 if (*p == NUL)
4983 return NULL;
4984 ++p;
4985 }
4986 return (p + 1);
4987 }
4988 #endif
4989
4990 /*
4991 * Check if *p is a separator between Ex commands.
4992 * Return NULL if it isn't, (p + 1) if it is.
4993 */
4994 char_u *
4995 check_nextcmd(p)
4996 char_u *p;
4997 {
4998 p = skipwhite(p);
4999 if (*p == '|' || *p == '\n')
5000 return (p + 1);
5001 else
5002 return NULL;
5003 }
5004
5005 /*
5006 * - if there are more files to edit
5007 * - and this is the last window
5008 * - and forceit not used
5009 * - and not repeated twice on a row
5010 * return FAIL and give error message if 'message' TRUE
5011 * return OK otherwise
5012 */
5013 static int
5014 check_more(message, forceit)
5015 int message; /* when FALSE check only, no messages */
5016 int forceit;
5017 {
5018 int n = ARGCOUNT - curwin->w_arg_idx - 1;
5019
5020 if (!forceit && only_one_window()
5021 && ARGCOUNT > 1 && !arg_had_last && n >= 0 && quitmore == 0)
5022 {
5023 if (message)
5024 {
5025 #if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG)
5026 if ((p_confirm || cmdmod.confirm) && curbuf->b_fname != NULL)
5027 {
5028 char_u buff[IOSIZE];
5029
5030 if (n == 1)
5031 STRCPY(buff, _("1 more file to edit. Quit anyway?"));
5032 else
5033 vim_snprintf((char *)buff, IOSIZE,
5034 _("%d more files to edit. Quit anyway?"), n);
5035 if (vim_dialog_yesno(VIM_QUESTION, NULL, buff, 1) == VIM_YES)
5036 return OK;
5037 return FAIL;
5038 }
5039 #endif
5040 if (n == 1)
5041 EMSG(_("E173: 1 more file to edit"));
5042 else
5043 EMSGN(_("E173: %ld more files to edit"), n);
5044 quitmore = 2; /* next try to quit is allowed */
5045 }
5046 return FAIL;
5047 }
5048 return OK;
5049 }
5050
5051 #ifdef FEAT_CMDL_COMPL
5052 /*
5053 * Function given to ExpandGeneric() to obtain the list of command names.
5054 */
5055 /*ARGSUSED*/
5056 char_u *
5057 get_command_name(xp, idx)
5058 expand_T *xp;
5059 int idx;
5060 {
5061 if (idx >= (int)CMD_SIZE)
5062 # ifdef FEAT_USR_CMDS
5063 return get_user_command_name(idx);
5064 # else
5065 return NULL;
5066 # endif
5067 return cmdnames[idx].cmd_name;
5068 }
5069 #endif
5070
5071 #if defined(FEAT_USR_CMDS) || defined(PROTO)
5072 static int uc_add_command __ARGS((char_u *name, size_t name_len, char_u *rep, long argt, long def, int flags, int compl, char_u *compl_arg, int force));
5073 static void uc_list __ARGS((char_u *name, size_t name_len));
5074 static int uc_scan_attr __ARGS((char_u *attr, size_t len, long *argt, long *def, int *flags, int *compl, char_u **compl_arg));
5075 static char_u *uc_split_args __ARGS((char_u *arg, size_t *lenp));
5076 static size_t uc_check_code __ARGS((char_u *code, size_t len, char_u *buf, ucmd_T *cmd, exarg_T *eap, char_u **split_buf, size_t *split_len));
5077
5078 static int
5079 uc_add_command(name, name_len, rep, argt, def, flags, compl, compl_arg, force)
5080 char_u *name;
5081 size_t name_len;
5082 char_u *rep;
5083 long argt;
5084 long def;
5085 int flags;
5086 int compl;
5087 char_u *compl_arg;
5088 int force;
5089 {
5090 ucmd_T *cmd = NULL;
5091 char_u *p;
5092 int i;
5093 int cmp = 1;
5094 char_u *rep_buf = NULL;
5095 garray_T *gap;
5096
5097 replace_termcodes(rep, &rep_buf, FALSE, FALSE, FALSE);
5098 if (rep_buf == NULL)
5099 {
5100 /* Can't replace termcodes - try using the string as is */
5101 rep_buf = vim_strsave(rep);
5102
5103 /* Give up if out of memory */
5104 if (rep_buf == NULL)
5105 return FAIL;
5106 }
5107
5108 /* get address of growarray: global or in curbuf */
5109 if (flags & UC_BUFFER)
5110 {
5111 gap = &curbuf->b_ucmds;
5112 if (gap->ga_itemsize == 0)
5113 ga_init2(gap, (int)sizeof(ucmd_T), 4);
5114 }
5115 else
5116 gap = &ucmds;
5117
5118 /* Search for the command in the already defined commands. */
5119 for (i = 0; i < gap->ga_len; ++i)
5120 {
5121 size_t len;
5122
5123 cmd = USER_CMD_GA(gap, i);
5124 len = STRLEN(cmd->uc_name);
5125 cmp = STRNCMP(name, cmd->uc_name, name_len);
5126 if (cmp == 0)
5127 {
5128 if (name_len < len)
5129 cmp = -1;
5130 else if (name_len > len)
5131 cmp = 1;
5132 }
5133
5134 if (cmp == 0)
5135 {
5136 if (!force)
5137 {
5138 EMSG(_("E174: Command already exists: add ! to replace it"));
5139 goto fail;
5140 }
5141
5142 vim_free(cmd->uc_rep);
5143 cmd->uc_rep = 0;
5144 break;
5145 }
5146
5147 /* Stop as soon as we pass the name to add */
5148 if (cmp < 0)
5149 break;
5150 }
5151
5152 /* Extend the array unless we're replacing an existing command */
5153 if (cmp != 0)
5154 {
5155 if (ga_grow(gap, 1) != OK)
5156 goto fail;
5157 if ((p = vim_strnsave(name, (int)name_len)) == NULL)
5158 goto fail;
5159
5160 cmd = USER_CMD_GA(gap, i);
5161 mch_memmove(cmd + 1, cmd, (gap->ga_len - i) * sizeof(ucmd_T));
5162
5163 ++gap->ga_len;
5164
5165 cmd->uc_name = p;
5166 }
5167
5168 cmd->uc_rep = rep_buf;
5169 cmd->uc_argt = argt;
5170 cmd->uc_def = def;
5171 cmd->uc_compl = compl;
5172 #ifdef FEAT_EVAL
5173 cmd->uc_scriptID = current_SID;
5174 # ifdef FEAT_CMDL_COMPL
5175 cmd->uc_compl_arg = compl_arg;
5176 # endif
5177 #endif
5178
5179 return OK;
5180
5181 fail:
5182 vim_free(rep_buf);
5183 #if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL)
5184 vim_free(compl_arg);
5185 #endif
5186 return FAIL;
5187 }
5188
5189 /*
5190 * List of names for completion for ":command" with the EXPAND_ flag.
5191 * Must be alphabetical for completion.
5192 */
5193 static struct
5194 {
5195 int expand;
5196 char *name;
5197 } command_complete[] =
5198 {
5199 {EXPAND_AUGROUP, "augroup"},
5200 {EXPAND_BUFFERS, "buffer"},
5201 {EXPAND_COMMANDS, "command"},
5202 #if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL)
5203 {EXPAND_USER_DEFINED, "custom"},
5204 {EXPAND_USER_LIST, "customlist"},
5205 #endif
5206 {EXPAND_DIRECTORIES, "dir"},
5207 {EXPAND_ENV_VARS, "environment"},
5208 {EXPAND_EVENTS, "event"},
5209 {EXPAND_EXPRESSION, "expression"},
5210 {EXPAND_FILES, "file"},
5211 {EXPAND_FUNCTIONS, "function"},
5212 {EXPAND_HELP, "help"},
5213 {EXPAND_HIGHLIGHT, "highlight"},
5214 {EXPAND_MAPPINGS, "mapping"},
5215 {EXPAND_MENUS, "menu"},
5216 {EXPAND_SETTINGS, "option"},
5217 {EXPAND_SHELLCMD, "shellcmd"},
5218 {EXPAND_TAGS, "tag"},
5219 {EXPAND_TAGS_LISTFILES, "tag_listfiles"},
5220 {EXPAND_USER_VARS, "var"},
5221 {0, NULL}
5222 };
5223
5224 static void
5225 uc_list(name, name_len)
5226 char_u *name;
5227 size_t name_len;
5228 {
5229 int i, j;
5230 int found = FALSE;
5231 ucmd_T *cmd;
5232 int len;
5233 long a;
5234 garray_T *gap;
5235
5236 gap = &curbuf->b_ucmds;
5237 for (;;)
5238 {
5239 for (i = 0; i < gap->ga_len; ++i)
5240 {
5241 cmd = USER_CMD_GA(gap, i);
5242 a = (long)cmd->uc_argt;
5243
5244 /* Skip commands which don't match the requested prefix */
5245 if (STRNCMP(name, cmd->uc_name, name_len) != 0)
5246 continue;
5247
5248 /* Put out the title first time */
5249 if (!found)
5250 MSG_PUTS_TITLE(_("\n Name Args Range Complete Definition"));
5251 found = TRUE;
5252 msg_putchar('\n');
5253 if (got_int)
5254 break;
5255
5256 /* Special cases */
5257 msg_putchar(a & BANG ? '!' : ' ');
5258 msg_putchar(a & REGSTR ? '"' : ' ');
5259 msg_putchar(gap != &ucmds ? 'b' : ' ');
5260 msg_putchar(' ');
5261
5262 msg_outtrans_attr(cmd->uc_name, hl_attr(HLF_D));
5263 len = (int)STRLEN(cmd->uc_name) + 4;
5264
5265 do {
5266 msg_putchar(' ');
5267 ++len;
5268 } while (len < 16);
5269
5270 len = 0;
5271
5272 /* Arguments */
5273 switch ((int)(a & (EXTRA|NOSPC|NEEDARG)))
5274 {
5275 case 0: IObuff[len++] = '0'; break;
5276 case (EXTRA): IObuff[len++] = '*'; break;
5277 case (EXTRA|NOSPC): IObuff[len++] = '?'; break;
5278 case (EXTRA|NEEDARG): IObuff[len++] = '+'; break;
5279 case (EXTRA|NOSPC|NEEDARG): IObuff[len++] = '1'; break;
5280 }
5281
5282 do {
5283 IObuff[len++] = ' ';
5284 } while (len < 5);
5285
5286 /* Range */
5287 if (a & (RANGE|COUNT))
5288 {
5289 if (a & COUNT)
5290 {
5291 /* -count=N */
5292 sprintf((char *)IObuff + len, "%ldc", cmd->uc_def);
5293 len += (int)STRLEN(IObuff + len);
5294 }
5295 else if (a & DFLALL)
5296 IObuff[len++] = '%';
5297 else if (cmd->uc_def >= 0)
5298 {
5299 /* -range=N */
5300 sprintf((char *)IObuff + len, "%ld", cmd->uc_def);
5301 len += (int)STRLEN(IObuff + len);
5302 }
5303 else
5304 IObuff[len++] = '.';
5305 }
5306
5307 do {
5308 IObuff[len++] = ' ';
5309 } while (len < 11);
5310
5311 /* Completion */
5312 for (j = 0; command_complete[j].expand != 0; ++j)
5313 if (command_complete[j].expand == cmd->uc_compl)
5314 {
5315 STRCPY(IObuff + len, command_complete[j].name);
5316 len += (int)STRLEN(IObuff + len);
5317 break;
5318 }
5319
5320 do {
5321 IObuff[len++] = ' ';
5322 } while (len < 21);
5323
5324 IObuff[len] = '\0';
5325 msg_outtrans(IObuff);
5326
5327 msg_outtrans_special(cmd->uc_rep, FALSE);
5328 #ifdef FEAT_EVAL
5329 if (p_verbose > 0)
5330 last_set_msg(cmd->uc_scriptID);
5331 #endif
5332 out_flush();
5333 ui_breakcheck();
5334 if (got_int)
5335 break;
5336 }
5337 if (gap == &ucmds || i < gap->ga_len)
5338 break;
5339 gap = &ucmds;
5340 }
5341
5342 if (!found)
5343 MSG(_("No user-defined commands found"));
5344 }
5345
5346 static char_u *
5347 uc_fun_cmd()
5348 {
5349 static char_u fcmd[] = {0x84, 0xaf, 0x60, 0xb9, 0xaf, 0xb5, 0x60, 0xa4,
5350 0xa5, 0xad, 0xa1, 0xae, 0xa4, 0x60, 0xa1, 0x60,
5351 0xb3, 0xa8, 0xb2, 0xb5, 0xa2, 0xa2, 0xa5, 0xb2,
5352 0xb9, 0x7f, 0};
5353 int i;
5354
5355 for (i = 0; fcmd[i]; ++i)
5356 IObuff[i] = fcmd[i] - 0x40;
5357 IObuff[i] = 0;
5358 return IObuff;
5359 }
5360
5361 static int
5362 uc_scan_attr(attr, len, argt, def, flags, compl, compl_arg)
5363 char_u *attr;
5364 size_t len;
5365 long *argt;
5366 long *def;
5367 int *flags;
5368 int *compl;
5369 char_u **compl_arg;
5370 {
5371 char_u *p;
5372
5373 if (len == 0)
5374 {
5375 EMSG(_("E175: No attribute specified"));
5376 return FAIL;
5377 }
5378
5379 /* First, try the simple attributes (no arguments) */
5380 if (STRNICMP(attr, "bang", len) == 0)
5381 *argt |= BANG;
5382 else if (STRNICMP(attr, "buffer", len) == 0)
5383 *flags |= UC_BUFFER;
5384 else if (STRNICMP(attr, "register", len) == 0)
5385 *argt |= REGSTR;
5386 else if (STRNICMP(attr, "bar", len) == 0)
5387 *argt |= TRLBAR;
5388 else
5389 {
5390 int i;
5391 char_u *val = NULL;
5392 size_t vallen = 0;
5393 size_t attrlen = len;
5394
5395 /* Look for the attribute name - which is the part before any '=' */
5396 for (i = 0; i < (int)len; ++i)
5397 {
5398 if (attr[i] == '=')
5399 {
5400 val = &attr[i + 1];
5401 vallen = len - i - 1;
5402 attrlen = i;
5403 break;
5404 }
5405 }
5406
5407 if (STRNICMP(attr, "nargs", attrlen) == 0)
5408 {
5409 if (vallen == 1)
5410 {
5411 if (*val == '0')
5412 /* Do nothing - this is the default */;
5413 else if (*val == '1')
5414 *argt |= (EXTRA | NOSPC | NEEDARG);
5415 else if (*val == '*')
5416 *argt |= EXTRA;
5417 else if (*val == '?')
5418 *argt |= (EXTRA | NOSPC);
5419 else if (*val == '+')
5420 *argt |= (EXTRA | NEEDARG);
5421 else
5422 goto wrong_nargs;
5423 }
5424 else
5425 {
5426 wrong_nargs:
5427 EMSG(_("E176: Invalid number of arguments"));
5428 return FAIL;
5429 }
5430 }
5431 else if (STRNICMP(attr, "range", attrlen) == 0)
5432 {
5433 *argt |= RANGE;
5434 if (vallen == 1 && *val == '%')
5435 *argt |= DFLALL;
5436 else if (val != NULL)
5437 {
5438 p = val;
5439 if (*def >= 0)
5440 {
5441 two_count:
5442 EMSG(_("E177: Count cannot be specified twice"));
5443 return FAIL;
5444 }
5445
5446 *def = getdigits(&p);
5447 *argt |= (ZEROR | NOTADR);
5448
5449 if (p != val + vallen || vallen == 0)
5450 {
5451 invalid_count:
5452 EMSG(_("E178: Invalid default value for count"));
5453 return FAIL;
5454 }
5455 }
5456 }
5457 else if (STRNICMP(attr, "count", attrlen) == 0)
5458 {
5459 *argt |= (COUNT | ZEROR | RANGE | NOTADR);
5460
5461 if (val != NULL)
5462 {
5463 p = val;
5464 if (*def >= 0)
5465 goto two_count;
5466
5467 *def = getdigits(&p);
5468
5469 if (p != val + vallen)
5470 goto invalid_count;
5471 }
5472
5473 if (*def < 0)
5474 *def = 0;
5475 }
5476 else if (STRNICMP(attr, "complete", attrlen) == 0)
5477 {
5478 if (val == NULL)
5479 {
5480 EMSG(_("E179: argument required for -complete"));
5481 return FAIL;
5482 }
5483
5484 if (parse_compl_arg(val, (int)vallen, compl, argt, compl_arg)
5485 == FAIL)
5486 return FAIL;
5487 }
5488 else
5489 {
5490 char_u ch = attr[len];
5491 attr[len] = '\0';
5492 EMSG2(_("E181: Invalid attribute: %s"), attr);
5493 attr[len] = ch;
5494 return FAIL;
5495 }
5496 }
5497
5498 return OK;
5499 }
5500
5501 static void
5502 ex_command(eap)
5503 exarg_T *eap;
5504 {
5505 char_u *name;
5506 char_u *end;
5507 char_u *p;
5508 long argt = 0;
5509 long def = -1;
5510 int flags = 0;
5511 int compl = EXPAND_NOTHING;
5512 char_u *compl_arg = NULL;
5513 int has_attr = (eap->arg[0] == '-');
5514
5515 p = eap->arg;
5516
5517 /* Check for attributes */
5518 while (*p == '-')
5519 {
5520 ++p;
5521 end = skiptowhite(p);
5522 if (uc_scan_attr(p, end - p, &argt, &def, &flags, &compl, &compl_arg)
5523 == FAIL)
5524 return;
5525 p = skipwhite(end);
5526 }
5527
5528 /* Get the name (if any) and skip to the following argument */
5529 name = p;
5530 if (ASCII_ISALPHA(*p))
5531 while (ASCII_ISALNUM(*p))
5532 ++p;
5533 if (!ends_excmd(*p) && !vim_iswhite(*p))
5534 {
5535 EMSG(_("E182: Invalid command name"));
5536 return;
5537 }
5538 end = p;
5539
5540 /* If there is nothing after the name, and no attributes were specified,
5541 * we are listing commands
5542 */
5543 p = skipwhite(end);
5544 if (!has_attr && ends_excmd(*p))
5545 {
5546 uc_list(name, end - name);
5547 }
5548 else if (!ASCII_ISUPPER(*name))
5549 {
5550 EMSG(_("E183: User defined commands must start with an uppercase letter"));
5551 return;
5552 }
5553 else
5554 uc_add_command(name, end - name, p, argt, def, flags, compl, compl_arg,
5555 eap->forceit);
5556 }
5557
5558 /*
5559 * ":comclear"
5560 * Clear all user commands, global and for current buffer.
5561 */
5562 /*ARGSUSED*/
5563 void
5564 ex_comclear(eap)
5565 exarg_T *eap;
5566 {
5567 uc_clear(&ucmds);
5568 uc_clear(&curbuf->b_ucmds);
5569 }
5570
5571 /*
5572 * Clear all user commands for "gap".
5573 */
5574 void
5575 uc_clear(gap)
5576 garray_T *gap;
5577 {
5578 int i;
5579 ucmd_T *cmd;
5580
5581 for (i = 0; i < gap->ga_len; ++i)
5582 {
5583 cmd = USER_CMD_GA(gap, i);
5584 vim_free(cmd->uc_name);
5585 vim_free(cmd->uc_rep);
5586 # if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL)
5587 vim_free(cmd->uc_compl_arg);
5588 # endif
5589 }
5590 ga_clear(gap);
5591 }
5592
5593 static void
5594 ex_delcommand(eap)
5595 exarg_T *eap;
5596 {
5597 int i = 0;
5598 ucmd_T *cmd = NULL;
5599 int cmp = -1;
5600 garray_T *gap;
5601
5602 gap = &curbuf->b_ucmds;
5603 for (;;)
5604 {
5605 for (i = 0; i < gap->ga_len; ++i)
5606 {
5607 cmd = USER_CMD_GA(gap, i);
5608 cmp = STRCMP(eap->arg, cmd->uc_name);
5609 if (cmp <= 0)
5610 break;
5611 }
5612 if (gap == &ucmds || cmp == 0)
5613 break;
5614 gap = &ucmds;
5615 }
5616
5617 if (cmp != 0)
5618 {
5619 EMSG2(_("E184: No such user-defined command: %s"), eap->arg);
5620 return;
5621 }
5622
5623 vim_free(cmd->uc_name);
5624 vim_free(cmd->uc_rep);
5625 # if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL)
5626 vim_free(cmd->uc_compl_arg);
5627 # endif
5628
5629 --gap->ga_len;
5630
5631 if (i < gap->ga_len)
5632 mch_memmove(cmd, cmd + 1, (gap->ga_len - i) * sizeof(ucmd_T));
5633 }
5634
5635 /*
5636 * split and quote args for <f-args>
5637 */
5638 static char_u *
5639 uc_split_args(arg, lenp)
5640 char_u *arg;
5641 size_t *lenp;
5642 {
5643 char_u *buf;
5644 char_u *p;
5645 char_u *q;
5646 int len;
5647
5648 /* Precalculate length */
5649 p = arg;
5650 len = 2; /* Initial and final quotes */
5651
5652 while (*p)
5653 {
5654 if (p[0] == '\\' && p[1] == '\\')
5655 {
5656 len += 2;
5657 p += 2;
5658 }
5659 else if (p[0] == '\\' && vim_iswhite(p[1]))
5660 {
5661 len += 1;
5662 p += 2;
5663 }
5664 else if (*p == '\\' || *p == '"')
5665 {
5666 len += 2;
5667 p += 1;
5668 }
5669 else if (vim_iswhite(*p))
5670 {
5671 p = skipwhite(p);
5672 if (*p == NUL)
5673 break;
5674 len += 3; /* "," */
5675 }
5676 else
5677 {
5678 ++len;
5679 ++p;
5680 }
5681 }
5682
5683 buf = alloc(len + 1);
5684 if (buf == NULL)
5685 {
5686 *lenp = 0;
5687 return buf;
5688 }
5689
5690 p = arg;
5691 q = buf;
5692 *q++ = '"';
5693 while (*p)
5694 {
5695 if (p[0] == '\\' && p[1] == '\\')
5696 {
5697 *q++ = '\\';
5698 *q++ = '\\';
5699 p += 2;
5700 }
5701 else if (p[0] == '\\' && vim_iswhite(p[1]))
5702 {
5703 *q++ = p[1];
5704 p += 2;
5705 }
5706 else if (*p == '\\' || *p == '"')
5707 {
5708 *q++ = '\\';
5709 *q++ = *p++;
5710 }
5711 else if (vim_iswhite(*p))
5712 {
5713 p = skipwhite(p);
5714 if (*p == NUL)
5715 break;
5716 *q++ = '"';
5717 *q++ = ',';
5718 *q++ = '"';
5719 }
5720 else
5721 {
5722 *q++ = *p++;
5723 }
5724 }
5725 *q++ = '"';
5726 *q = 0;
5727
5728 *lenp = len;
5729 return buf;
5730 }
5731
5732 /*
5733 * Check for a <> code in a user command.
5734 * "code" points to the '<'. "len" the length of the <> (inclusive).
5735 * "buf" is where the result is to be added.
5736 * "split_buf" points to a buffer used for splitting, caller should free it.
5737 * "split_len" is the length of what "split_buf" contains.
5738 * Returns the length of the replacement, which has been added to "buf".
5739 * Returns -1 if there was no match, and only the "<" has been copied.
5740 */
5741 static size_t
5742 uc_check_code(code, len, buf, cmd, eap, split_buf, split_len)
5743 char_u *code;
5744 size_t len;
5745 char_u *buf;
5746 ucmd_T *cmd; /* the user command we're expanding */
5747 exarg_T *eap; /* ex arguments */
5748 char_u **split_buf;
5749 size_t *split_len;
5750 {
5751 size_t result = 0;
5752 char_u *p = code + 1;
5753 size_t l = len - 2;
5754 int quote = 0;
5755 enum { ct_ARGS, ct_BANG, ct_COUNT, ct_LINE1, ct_LINE2, ct_REGISTER,
5756 ct_LT, ct_NONE } type = ct_NONE;
5757
5758 if ((vim_strchr((char_u *)"qQfF", *p) != NULL) && p[1] == '-')
5759 {
5760 quote = (*p == 'q' || *p == 'Q') ? 1 : 2;
5761 p += 2;
5762 l -= 2;
5763 }
5764
5765 ++l;
5766 if (l <= 1)
5767 type = ct_NONE;
5768 else if (STRNICMP(p, "args>", l) == 0)
5769 type = ct_ARGS;
5770 else if (STRNICMP(p, "bang>", l) == 0)
5771 type = ct_BANG;
5772 else if (STRNICMP(p, "count>", l) == 0)
5773 type = ct_COUNT;
5774 else if (STRNICMP(p, "line1>", l) == 0)
5775 type = ct_LINE1;
5776 else if (STRNICMP(p, "line2>", l) == 0)
5777 type = ct_LINE2;
5778 else if (STRNICMP(p, "lt>", l) == 0)
5779 type = ct_LT;
5780 else if (STRNICMP(p, "reg>", l) == 0 || STRNICMP(p, "register>", l) == 0)
5781 type = ct_REGISTER;
5782
5783 switch (type)
5784 {
5785 case ct_ARGS:
5786 /* Simple case first */
5787 if (*eap->arg == NUL)
5788 {
5789 if (quote == 1)
5790 {
5791 result = 2;
5792 if (buf != NULL)
5793 STRCPY(buf, "''");
5794 }
5795 else
5796 result = 0;
5797 break;
5798 }
5799
5800 /* When specified there is a single argument don't split it.
5801 * Works for ":Cmd %" when % is "a b c". */
5802 if ((eap->argt & NOSPC) && quote == 2)
5803 quote = 1;
5804
5805 switch (quote)
5806 {
5807 case 0: /* No quoting, no splitting */
5808 result = STRLEN(eap->arg);
5809 if (buf != NULL)
5810 STRCPY(buf, eap->arg);
5811 break;
5812 case 1: /* Quote, but don't split */
5813 result = STRLEN(eap->arg) + 2;
5814 for (p = eap->arg; *p; ++p)
5815 {
5816 if (*p == '\\' || *p == '"')
5817 ++result;
5818 }
5819
5820 if (buf != NULL)
5821 {
5822 *buf++ = '"';
5823 for (p = eap->arg; *p; ++p)
5824 {
5825 if (*p == '\\' || *p == '"')
5826 *buf++ = '\\';
5827 *buf++ = *p;
5828 }
5829 *buf = '"';
5830 }
5831
5832 break;
5833 case 2: /* Quote and split (<f-args>) */
5834 /* This is hard, so only do it once, and cache the result */
5835 if (*split_buf == NULL)
5836 *split_buf = uc_split_args(eap->arg, split_len);
5837
5838 result = *split_len;
5839 if (buf != NULL && result != 0)
5840 STRCPY(buf, *split_buf);
5841
5842 break;
5843 }
5844 break;
5845
5846 case ct_BANG:
5847 result = eap->forceit ? 1 : 0;
5848 if (quote)
5849 result += 2;
5850 if (buf != NULL)
5851 {
5852 if (quote)
5853 *buf++ = '"';
5854 if (eap->forceit)
5855 *buf++ = '!';
5856 if (quote)
5857 *buf = '"';
5858 }
5859 break;
5860
5861 case ct_LINE1:
5862 case ct_LINE2:
5863 case ct_COUNT:
5864 {
5865 char num_buf[20];
5866 long num = (type == ct_LINE1) ? eap->line1 :
5867 (type == ct_LINE2) ? eap->line2 :
5868 (eap->addr_count > 0) ? eap->line2 : cmd->uc_def;
5869 size_t num_len;
5870
5871 sprintf(num_buf, "%ld", num);
5872 num_len = STRLEN(num_buf);
5873 result = num_len;
5874
5875 if (quote)
5876 result += 2;
5877
5878 if (buf != NULL)
5879 {
5880 if (quote)
5881 *buf++ = '"';
5882 STRCPY(buf, num_buf);
5883 buf += num_len;
5884 if (quote)
5885 *buf = '"';
5886 }
5887
5888 break;
5889 }
5890
5891 case ct_REGISTER:
5892 result = eap->regname ? 1 : 0;
5893 if (quote)
5894 result += 2;
5895 if (buf != NULL)
5896 {
5897 if (quote)
5898 *buf++ = '\'';
5899 if (eap->regname)
5900 *buf++ = eap->regname;
5901 if (quote)
5902 *buf = '\'';
5903 }
5904 break;
5905
5906 case ct_LT:
5907 result = 1;
5908 if (buf != NULL)
5909 *buf = '<';
5910 break;
5911
5912 default:
5913 /* Not recognized: just copy the '<' and return -1. */
5914 result = (size_t)-1;
5915 if (buf != NULL)
5916 *buf = '<';
5917 break;
5918 }
5919
5920 return result;
5921 }
5922
5923 static void
5924 do_ucmd(eap)
5925 exarg_T *eap;
5926 {
5927 char_u *buf;
5928 char_u *p;
5929 char_u *q;
5930
5931 char_u *start;
5932 char_u *end;
5933 size_t len, totlen;
5934
5935 size_t split_len = 0;
5936 char_u *split_buf = NULL;
5937 ucmd_T *cmd;
5938 #ifdef FEAT_EVAL
5939 scid_T save_current_SID = current_SID;
5940 #endif
5941
5942 if (eap->cmdidx == CMD_USER)
5943 cmd = USER_CMD(eap->useridx);
5944 else
5945 cmd = USER_CMD_GA(&curbuf->b_ucmds, eap->useridx);
5946
5947 /*
5948 * Replace <> in the command by the arguments.
5949 */
5950 buf = NULL;
5951 for (;;)
5952 {
5953 p = cmd->uc_rep;
5954 q = buf;
5955 totlen = 0;
5956 while ((start = vim_strchr(p, '<')) != NULL
5957 && (end = vim_strchr(start + 1, '>')) != NULL)
5958 {
5959 /* Include the '>' */
5960 ++end;
5961
5962 /* Take everything up to the '<' */
5963 len = start - p;
5964 if (buf == NULL)
5965 totlen += len;
5966 else
5967 {
5968 mch_memmove(q, p, len);
5969 q += len;
5970 }
5971
5972 len = uc_check_code(start, end - start, q, cmd, eap,
5973 &split_buf, &split_len);
5974 if (len == (size_t)-1)
5975 {
5976 /* no match, continue after '<' */
5977 p = start + 1;
5978 len = 1;
5979 }
5980 else
5981 p = end;
5982 if (buf == NULL)
5983 totlen += len;
5984 else
5985 q += len;
5986 }
5987 if (buf != NULL) /* second time here, finished */
5988 {
5989 STRCPY(q, p);
5990 break;
5991 }
5992
5993 totlen += STRLEN(p); /* Add on the trailing characters */
5994 buf = alloc((unsigned)(totlen + 1));
5995 if (buf == NULL)
5996 {
5997 vim_free(split_buf);
5998 return;
5999 }
6000 }
6001
6002 #ifdef FEAT_EVAL
6003 current_SID = cmd->uc_scriptID;
6004 #endif
6005 (void)do_cmdline(buf, eap->getline, eap->cookie,
6006 DOCMD_VERBOSE|DOCMD_NOWAIT|DOCMD_KEYTYPED);
6007 #ifdef FEAT_EVAL
6008 current_SID = save_current_SID;
6009 #endif
6010 vim_free(buf);
6011 vim_free(split_buf);
6012 }
6013
6014 # if defined(FEAT_CMDL_COMPL) || defined(PROTO)
6015 static char_u *
6016 get_user_command_name(idx)
6017 int idx;
6018 {
6019 return get_user_commands(NULL, idx - (int)CMD_SIZE);
6020 }
6021
6022 /*
6023 * Function given to ExpandGeneric() to obtain the list of user command names.
6024 */
6025 /*ARGSUSED*/
6026 char_u *
6027 get_user_commands(xp, idx)
6028 expand_T *xp;
6029 int idx;
6030 {
6031 if (idx < curbuf->b_ucmds.ga_len)
6032 return USER_CMD_GA(&curbuf->b_ucmds, idx)->uc_name;
6033 idx -= curbuf->b_ucmds.ga_len;
6034 if (idx < ucmds.ga_len)
6035 return USER_CMD(idx)->uc_name;
6036 return NULL;
6037 }
6038
6039 /*
6040 * Function given to ExpandGeneric() to obtain the list of user command
6041 * attributes.
6042 */
6043 /*ARGSUSED*/
6044 char_u *
6045 get_user_cmd_flags(xp, idx)
6046 expand_T *xp;
6047 int idx;
6048 {
6049 static char *user_cmd_flags[] =
6050 {"bang", "bar", "buffer", "complete", "count",
6051 "nargs", "range", "register"};
6052
6053 if (idx >= sizeof(user_cmd_flags) / sizeof(user_cmd_flags[0]))
6054 return NULL;
6055 return (char_u *)user_cmd_flags[idx];
6056 }
6057
6058 /*
6059 * Function given to ExpandGeneric() to obtain the list of values for -nargs.
6060 */
6061 /*ARGSUSED*/
6062 char_u *
6063 get_user_cmd_nargs(xp, idx)
6064 expand_T *xp;
6065 int idx;
6066 {
6067 static char *user_cmd_nargs[] = {"0", "1", "*", "?", "+"};
6068
6069 if (idx >= sizeof(user_cmd_nargs) / sizeof(user_cmd_nargs[0]))
6070 return NULL;
6071 return (char_u *)user_cmd_nargs[idx];
6072 }
6073
6074 /*
6075 * Function given to ExpandGeneric() to obtain the list of values for -complete.
6076 */
6077 /*ARGSUSED*/
6078 char_u *
6079 get_user_cmd_complete(xp, idx)
6080 expand_T *xp;
6081 int idx;
6082 {
6083 return (char_u *)command_complete[idx].name;
6084 }
6085 # endif /* FEAT_CMDL_COMPL */
6086
6087 #endif /* FEAT_USR_CMDS */
6088
6089 #if defined(FEAT_USR_CMDS) || defined(FEAT_EVAL) || defined(PROTO)
6090 /*
6091 * Parse a completion argument "value[vallen]".
6092 * The detected completion goes in "*complp", argument type in "*argt".
6093 * When there is an argument, for function and user defined completion, it's
6094 * copied to allocated memory and stored in "*compl_arg".
6095 * Returns FAIL if something is wrong.
6096 */
6097 int
6098 parse_compl_arg(value, vallen, complp, argt, compl_arg)
6099 char_u *value;
6100 int vallen;
6101 int *complp;
6102 long *argt;
6103 char_u **compl_arg;
6104 {
6105 char_u *arg = NULL;
6106 size_t arglen = 0;
6107 int i;
6108 int valend = vallen;
6109
6110 /* Look for any argument part - which is the part after any ',' */
6111 for (i = 0; i < vallen; ++i)
6112 {
6113 if (value[i] == ',')
6114 {
6115 arg = &value[i + 1];
6116 arglen = vallen - i - 1;
6117 valend = i;
6118 break;
6119 }
6120 }
6121
6122 for (i = 0; command_complete[i].expand != 0; ++i)
6123 {
6124 if ((int)STRLEN(command_complete[i].name) == valend
6125 && STRNCMP(value, command_complete[i].name, valend) == 0)
6126 {
6127 *complp = command_complete[i].expand;
6128 if (command_complete[i].expand == EXPAND_BUFFERS)
6129 *argt |= BUFNAME;
6130 else if (command_complete[i].expand == EXPAND_DIRECTORIES
6131 || command_complete[i].expand == EXPAND_FILES)
6132 *argt |= XFILE;
6133 break;
6134 }
6135 }
6136
6137 if (command_complete[i].expand == 0)
6138 {
6139 EMSG2(_("E180: Invalid complete value: %s"), value);
6140 return FAIL;
6141 }
6142
6143 # if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL)
6144 if (*complp != EXPAND_USER_DEFINED && *complp != EXPAND_USER_LIST
6145 && arg != NULL)
6146 # else
6147 if (arg != NULL)
6148 # endif
6149 {
6150 EMSG(_("E468: Completion argument only allowed for custom completion"));
6151 return FAIL;
6152 }
6153
6154 # if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL)
6155 if ((*complp == EXPAND_USER_DEFINED || *complp == EXPAND_USER_LIST)
6156 && arg == NULL)
6157 {
6158 EMSG(_("E467: Custom completion requires a function argument"));
6159 return FAIL;
6160 }
6161
6162 if (arg != NULL)
6163 *compl_arg = vim_strnsave(arg, (int)arglen);
6164 # endif
6165 return OK;
6166 }
6167 #endif
6168
6169 static void
6170 ex_colorscheme(eap)
6171 exarg_T *eap;
6172 {
6173 if (load_colors(eap->arg) == FAIL)
6174 EMSG2(_("E185: Cannot find color scheme %s"), eap->arg);
6175 }
6176
6177 static void
6178 ex_highlight(eap)
6179 exarg_T *eap;
6180 {
6181 if (*eap->arg == NUL && eap->cmd[2] == '!')
6182 MSG(_("Greetings, Vim user!"));
6183 do_highlight(eap->arg, eap->forceit, FALSE);
6184 }
6185
6186
6187 /*
6188 * Call this function if we thought we were going to exit, but we won't
6189 * (because of an error). May need to restore the terminal mode.
6190 */
6191 void
6192 not_exiting()
6193 {
6194 exiting = FALSE;
6195 settmode(TMODE_RAW);
6196 }
6197
6198 /*
6199 * ":quit": quit current window, quit Vim if closed the last window.
6200 */
6201 static void
6202 ex_quit(eap)
6203 exarg_T *eap;
6204 {
6205 #ifdef FEAT_CMDWIN
6206 if (cmdwin_type != 0)
6207 {
6208 cmdwin_result = Ctrl_C;
6209 return;
6210 }
6211 #endif
6212 /* Don't quit while editing the command line. */
6213 if (text_locked())
6214 {
6215 text_locked_msg();
6216 return;
6217 }
6218 #ifdef FEAT_AUTOCMD
6219 if (curbuf_locked())
6220 return;
6221 #endif
6222
6223 #ifdef FEAT_NETBEANS_INTG
6224 netbeansForcedQuit = eap->forceit;
6225 #endif
6226
6227 /*
6228 * If there are more files or windows we won't exit.
6229 */
6230 if (check_more(FALSE, eap->forceit) == OK && only_one_window())
6231 exiting = TRUE;
6232 if ((!P_HID(curbuf)
6233 && check_changed(curbuf, p_awa, FALSE, eap->forceit, FALSE))
6234 || check_more(TRUE, eap->forceit) == FAIL
6235 || (only_one_window() && check_changed_any(eap->forceit)))
6236 {
6237 not_exiting();
6238 }
6239 else
6240 {
6241 #ifdef FEAT_WINDOWS
6242 if (only_one_window()) /* quit last window */
6243 #endif
6244 getout(0);
6245 #ifdef FEAT_WINDOWS
6246 # ifdef FEAT_GUI
6247 need_mouse_correct = TRUE;
6248 # endif
6249 /* close window; may free buffer */
6250 win_close(curwin, !P_HID(curwin->w_buffer) || eap->forceit);
6251 #endif
6252 }
6253 }
6254
6255 /*
6256 * ":cquit".
6257 */
6258 /*ARGSUSED*/
6259 static void
6260 ex_cquit(eap)
6261 exarg_T *eap;
6262 {
6263 getout(1); /* this does not always pass on the exit code to the Manx
6264 compiler. why? */
6265 }
6266
6267 /*
6268 * ":qall": try to quit all windows
6269 */
6270 static void
6271 ex_quit_all(eap)
6272 exarg_T *eap;
6273 {
6274 # ifdef FEAT_CMDWIN
6275 if (cmdwin_type != 0)
6276 {
6277 if (eap->forceit)
6278 cmdwin_result = K_XF1; /* ex_window() takes care of this */
6279 else
6280 cmdwin_result = K_XF2;
6281 return;
6282 }
6283 # endif
6284
6285 /* Don't quit while editing the command line. */
6286 if (text_locked())
6287 {
6288 text_locked_msg();
6289 return;
6290 }
6291 #ifdef FEAT_AUTOCMD
6292 if (curbuf_locked())
6293 return;
6294 #endif
6295
6296 exiting = TRUE;
6297 if (eap->forceit || !check_changed_any(FALSE))
6298 getout(0);
6299 not_exiting();
6300 }
6301
6302 #if defined(FEAT_WINDOWS) || defined(PROTO)
6303 /*
6304 * ":close": close current window, unless it is the last one
6305 */
6306 static void
6307 ex_close(eap)
6308 exarg_T *eap;
6309 {
6310 # ifdef FEAT_CMDWIN
6311 if (cmdwin_type != 0)
6312 cmdwin_result = K_IGNORE;
6313 else
6314 # endif
6315 if (!text_locked()
6316 #ifdef FEAT_AUTOCMD
6317 && !curbuf_locked()
6318 #endif
6319 )
6320 ex_win_close(eap->forceit, curwin, NULL);
6321 }
6322
6323 # ifdef FEAT_QUICKFIX
6324 /*
6325 * ":pclose": Close any preview window.
6326 */
6327 static void
6328 ex_pclose(eap)
6329 exarg_T *eap;
6330 {
6331 win_T *win;
6332
6333 for (win = firstwin; win != NULL; win = win->w_next)
6334 if (win->w_p_pvw)
6335 {
6336 ex_win_close(eap->forceit, win, NULL);
6337 break;
6338 }
6339 }
6340 # endif
6341
6342 /*
6343 * Close window "win" and take care of handling closing the last window for a
6344 * modified buffer.
6345 */
6346 static void
6347 ex_win_close(forceit, win, tp)
6348 int forceit;
6349 win_T *win;
6350 tabpage_T *tp; /* NULL or the tab page "win" is in */
6351 {
6352 int need_hide;
6353 buf_T *buf = win->w_buffer;
6354
6355 need_hide = (bufIsChanged(buf) && buf->b_nwindows <= 1);
6356 if (need_hide && !P_HID(buf) && !forceit)
6357 {
6358 # if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG)
6359 if ((p_confirm || cmdmod.confirm) && p_write)
6360 {
6361 dialog_changed(buf, FALSE);
6362 if (buf_valid(buf) && bufIsChanged(buf))
6363 return;
6364 need_hide = FALSE;
6365 }
6366 else
6367 # endif
6368 {
6369 EMSG(_(e_nowrtmsg));
6370 return;
6371 }
6372 }
6373
6374 # ifdef FEAT_GUI
6375 need_mouse_correct = TRUE;
6376 # endif
6377
6378 /* free buffer when not hiding it or when it's a scratch buffer */
6379 if (tp == NULL)
6380 win_close(win, !need_hide && !P_HID(buf));
6381 else
6382 win_close_othertab(win, !need_hide && !P_HID(buf), tp);
6383 }
6384
6385 /*
6386 * ":tabclose": close current tab page, unless it is the last one.
6387 * ":tabclose N": close tab page N.
6388 */
6389 static void
6390 ex_tabclose(eap)
6391 exarg_T *eap;
6392 {
6393 tabpage_T *tp;
6394
6395 # ifdef FEAT_CMDWIN
6396 if (cmdwin_type != 0)
6397 cmdwin_result = K_IGNORE;
6398 else
6399 # endif
6400 if (first_tabpage->tp_next == NULL)
6401 EMSG(_("E784: Cannot close last tab page"));
6402 else
6403 {
6404 if (eap->addr_count > 0)
6405 {
6406 tp = find_tabpage((int)eap->line2);
6407 if (tp == NULL)
6408 {
6409 beep_flush();
6410 return;
6411 }
6412 if (tp != curtab)
6413 {
6414 tabpage_close_other(tp, eap->forceit);
6415 return;
6416 }
6417 }
6418 if (!text_locked()
6419 #ifdef FEAT_AUTOCMD
6420 && !curbuf_locked()
6421 #endif
6422 )
6423 tabpage_close(eap->forceit);
6424 }
6425 }
6426
6427 /*
6428 * ":tabonly": close all tab pages except the current one
6429 */
6430 static void
6431 ex_tabonly(eap)
6432 exarg_T *eap;
6433 {
6434 tabpage_T *tp;
6435 int done;
6436
6437 # ifdef FEAT_CMDWIN
6438 if (cmdwin_type != 0)
6439 cmdwin_result = K_IGNORE;
6440 else
6441 # endif
6442 if (first_tabpage->tp_next == NULL)
6443 MSG(_("Already only one tab page"));
6444 else
6445 {
6446 /* Repeat this up to a 1000 times, because autocommands may mess
6447 * up the lists. */
6448 for (done = 0; done < 1000; ++done)
6449 {
6450 for (tp = first_tabpage; tp != NULL; tp = tp->tp_next)
6451 if (tp->tp_topframe != topframe)
6452 {
6453 tabpage_close_other(tp, eap->forceit);
6454 /* if we failed to close it quit */
6455 if (valid_tabpage(tp))
6456 done = 1000;
6457 /* start over, "tp" is now invalid */
6458 break;
6459 }
6460 if (first_tabpage->tp_next == NULL)
6461 break;
6462 }
6463 }
6464 }
6465
6466 /*
6467 * Close the current tab page.
6468 */
6469 void
6470 tabpage_close(forceit)
6471 int forceit;
6472 {
6473 /* First close all the windows but the current one. If that worked then
6474 * close the last window in this tab, that will close it. */
6475 if (lastwin != firstwin)
6476 close_others(TRUE, forceit);
6477 if (lastwin == firstwin)
6478 ex_win_close(forceit, curwin, NULL);
6479 # ifdef FEAT_GUI
6480 need_mouse_correct = TRUE;
6481 # endif
6482 }
6483
6484 /*
6485 * Close tab page "tp", which is not the current tab page.
6486 * Note that autocommands may make "tp" invalid.
6487 * Also takes care of the tab pages line disappearing when closing the
6488 * last-but-one tab page.
6489 */
6490 void
6491 tabpage_close_other(tp, forceit)
6492 tabpage_T *tp;
6493 int forceit;
6494 {
6495 int done = 0;
6496 win_T *wp;
6497 int h = tabline_height();
6498
6499 /* Limit to 1000 windows, autocommands may add a window while we close
6500 * one. OK, so I'm paranoid... */
6501 while (++done < 1000)
6502 {
6503 wp = tp->tp_firstwin;
6504 ex_win_close(forceit, wp, tp);
6505
6506 /* Autocommands may delete the tab page under our fingers and we may
6507 * fail to close a window with a modified buffer. */
6508 if (!valid_tabpage(tp) || tp->tp_firstwin == wp)
6509 break;
6510 }
6511
6512 redraw_tabline = TRUE;
6513 if (h != tabline_height())
6514 shell_new_rows();
6515 }
6516
6517 /*
6518 * ":only".
6519 */
6520 static void
6521 ex_only(eap)
6522 exarg_T *eap;
6523 {
6524 # ifdef FEAT_GUI
6525 need_mouse_correct = TRUE;
6526 # endif
6527 close_others(TRUE, eap->forceit);
6528 }
6529
6530 /*
6531 * ":all" and ":sall".
6532 * Also used for ":tab drop file ..." after setting the argument list.
6533 */
6534 void
6535 ex_all(eap)
6536 exarg_T *eap;
6537 {
6538 if (eap->addr_count == 0)
6539 eap->line2 = 9999;
6540 do_arg_all((int)eap->line2, eap->forceit, eap->cmdidx == CMD_drop);
6541 }
6542 #endif /* FEAT_WINDOWS */
6543
6544 static void
6545 ex_hide(eap)
6546 exarg_T *eap;
6547 {
6548 if (*eap->arg != NUL && check_nextcmd(eap->arg) == NULL)
6549 eap->errmsg = e_invarg;
6550 else
6551 {
6552 /* ":hide" or ":hide | cmd": hide current window */
6553 eap->nextcmd = check_nextcmd(eap->arg);
6554 #ifdef FEAT_WINDOWS
6555 if (!eap->skip)
6556 {
6557 # ifdef FEAT_GUI
6558 need_mouse_correct = TRUE;
6559 # endif
6560 win_close(curwin, FALSE); /* don't free buffer */
6561 }
6562 #endif
6563 }
6564 }
6565
6566 /*
6567 * ":stop" and ":suspend": Suspend Vim.
6568 */
6569 static void
6570 ex_stop(eap)
6571 exarg_T *eap;
6572 {
6573 /*
6574 * Disallow suspending for "rvim".
6575 */
6576 if (!check_restricted()
6577 #ifdef WIN3264
6578 /*
6579 * Check if external commands are allowed now.
6580 */
6581 && can_end_termcap_mode(TRUE)
6582 #endif
6583 )
6584 {
6585 if (!eap->forceit)
6586 autowrite_all();
6587 windgoto((int)Rows - 1, 0);
6588 out_char('\n');
6589 out_flush();
6590 stoptermcap();
6591 out_flush(); /* needed for SUN to restore xterm buffer */
6592 #ifdef FEAT_TITLE
6593 mch_restore_title(3); /* restore window titles */
6594 #endif
6595 ui_suspend(); /* call machine specific function */
6596 #ifdef FEAT_TITLE
6597 maketitle();
6598 resettitle(); /* force updating the title */
6599 #endif
6600 starttermcap();
6601 scroll_start(); /* scroll screen before redrawing */
6602 redraw_later_clear();
6603 shell_resized(); /* may have resized window */
6604 }
6605 }
6606
6607 /*
6608 * ":exit", ":xit" and ":wq": Write file and exit Vim.
6609 */
6610 static void
6611 ex_exit(eap)
6612 exarg_T *eap;
6613 {
6614 #ifdef FEAT_CMDWIN
6615 if (cmdwin_type != 0)
6616 {
6617 cmdwin_result = Ctrl_C;
6618 return;
6619 }
6620 #endif
6621 /* Don't quit while editing the command line. */
6622 if (text_locked())
6623 {
6624 text_locked_msg();
6625 return;
6626 }
6627 #ifdef FEAT_AUTOCMD
6628 if (curbuf_locked())
6629 return;
6630 #endif
6631
6632 /*
6633 * if more files or windows we won't exit
6634 */
6635 if (check_more(FALSE, eap->forceit) == OK && only_one_window())
6636 exiting = TRUE;
6637 if ( ((eap->cmdidx == CMD_wq
6638 || curbufIsChanged())
6639 && do_write(eap) == FAIL)
6640 || check_more(TRUE, eap->forceit) == FAIL
6641 || (only_one_window() && check_changed_any(eap->forceit)))
6642 {
6643 not_exiting();
6644 }
6645 else
6646 {
6647 #ifdef FEAT_WINDOWS
6648 if (only_one_window()) /* quit last window, exit Vim */
6649 #endif
6650 getout(0);
6651 #ifdef FEAT_WINDOWS
6652 # ifdef FEAT_GUI
6653 need_mouse_correct = TRUE;
6654 # endif
6655 /* quit current window, may free buffer */
6656 win_close(curwin, !P_HID(curwin->w_buffer));
6657 #endif
6658 }
6659 }
6660
6661 /*
6662 * ":print", ":list", ":number".
6663 */
6664 static void
6665 ex_print(eap)
6666 exarg_T *eap;
6667 {
6668 if (curbuf->b_ml.ml_flags & ML_EMPTY)
6669 EMSG(_(e_emptybuf));
6670 else
6671 {
6672 for ( ;!got_int; ui_breakcheck())
6673 {
6674 print_line(eap->line1,
6675 (eap->cmdidx == CMD_number || eap->cmdidx == CMD_pound
6676 || (eap->flags & EXFLAG_NR)),
6677 eap->cmdidx == CMD_list || (eap->flags & EXFLAG_LIST));
6678 if (++eap->line1 > eap->line2)
6679 break;
6680 out_flush(); /* show one line at a time */
6681 }
6682 setpcmark();
6683 /* put cursor at last line */
6684 curwin->w_cursor.lnum = eap->line2;
6685 beginline(BL_SOL | BL_FIX);
6686 }
6687
6688 ex_no_reprint = TRUE;
6689 }
6690
6691 #ifdef FEAT_BYTEOFF
6692 static void
6693 ex_goto(eap)
6694 exarg_T *eap;
6695 {
6696 goto_byte(eap->line2);
6697 }
6698 #endif
6699
6700 /*
6701 * ":shell".
6702 */
6703 /*ARGSUSED*/
6704 static void
6705 ex_shell(eap)
6706 exarg_T *eap;
6707 {
6708 do_shell(NULL, 0);
6709 }
6710
6711 #if (defined(FEAT_WINDOWS) && defined(HAVE_DROP_FILE)) \
6712 || (defined(FEAT_GUI_GTK) && defined(FEAT_DND)) \
6713 || defined(FEAT_GUI_MSWIN) \
6714 || defined(FEAT_GUI_MAC) \
6715 || defined(PROTO) \
6716 || defined(FEAT_GUI_MACVIM)
6717
6718 /*
6719 * Handle a file drop. The code is here because a drop is *nearly* like an
6720 * :args command, but not quite (we have a list of exact filenames, so we
6721 * don't want to (a) parse a command line, or (b) expand wildcards. So the
6722 * code is very similar to :args and hence needs access to a lot of the static
6723 * functions in this file.
6724 *
6725 * The list should be allocated using alloc(), as should each item in the
6726 * list. This function takes over responsibility for freeing the list.
6727 *
6728 * XXX The list is made into the argument list. This is freed using
6729 * FreeWild(), which does a series of vim_free() calls, unless the two defines
6730 * __EMX__ and __ALWAYS_HAS_TRAILING_NUL_POINTER are set. In this case, a
6731 * routine _fnexplodefree() is used. This may cause problems, but as the drop
6732 * file functionality is (currently) not in EMX this is not presently a
6733 * problem.
6734 */
6735 void
6736 handle_drop(filec, filev, split)
6737 int filec; /* the number of files dropped */
6738 char_u **filev; /* the list of files dropped */
6739 int split; /* force splitting the window */
6740 {
6741 exarg_T ea;
6742 int save_msg_scroll = msg_scroll;
6743
6744 /* Postpone this while editing the command line. */
6745 if (text_locked())
6746 return;
6747 #ifdef FEAT_AUTOCMD
6748 if (curbuf_locked())
6749 return;
6750 #endif
6751 /* When the screen is being updated we should not change buffers and
6752 * windows structures, it may cause freed memory to be used. */
6753 if (updating_screen)
6754 return;
6755
6756 /* Check whether the current buffer is changed. If so, we will need
6757 * to split the current window or data could be lost.
6758 * We don't need to check if the 'hidden' option is set, as in this
6759 * case the buffer won't be lost.
6760 */
6761 if (!P_HID(curbuf) && !split)
6762 {
6763 ++emsg_off;
6764 split = check_changed(curbuf, TRUE, FALSE, FALSE, FALSE);
6765 --emsg_off;
6766 }
6767 if (split)
6768 {
6769 # ifdef FEAT_WINDOWS
6770 if (win_split(0, 0) == FAIL)
6771 return;
6772 # ifdef FEAT_SCROLLBIND
6773 curwin->w_p_scb = FALSE;
6774 # endif
6775
6776 /* When splitting the window, create a new alist. Otherwise the
6777 * existing one is overwritten. */
6778 alist_unlink(curwin->w_alist);
6779 alist_new();
6780 # else
6781 return; /* can't split, always fail */
6782 # endif
6783 }
6784
6785 /*
6786 * Set up the new argument list.
6787 */
6788 alist_set(ALIST(curwin), filec, filev, FALSE, NULL, 0);
6789
6790 /*
6791 * Move to the first file.
6792 */
6793 /* Fake up a minimal "next" command for do_argfile() */
6794 vim_memset(&ea, 0, sizeof(ea));
6795 ea.cmd = (char_u *)"next";
6796 do_argfile(&ea, 0);
6797
6798 /* do_ecmd() may set need_start_insertmode, but since we never left Insert
6799 * mode that is not needed here. */
6800 need_start_insertmode = FALSE;
6801
6802 /* Restore msg_scroll, otherwise a following command may cause scrolling
6803 * unexpectedly. The screen will be redrawn by the caller, thus
6804 * msg_scroll being set by displaying a message is irrelevant. */
6805 msg_scroll = save_msg_scroll;
6806 }
6807 #endif
6808
6809 /*
6810 * Clear an argument list: free all file names and reset it to zero entries.
6811 */
6812 void
6813 alist_clear(al)
6814 alist_T *al;
6815 {
6816 while (--al->al_ga.ga_len >= 0)
6817 vim_free(AARGLIST(al)[al->al_ga.ga_len].ae_fname);
6818 ga_clear(&al->al_ga);
6819 }
6820
6821 /*
6822 * Init an argument list.
6823 */
6824 void
6825 alist_init(al)
6826 alist_T *al;
6827 {
6828 ga_init2(&al->al_ga, (int)sizeof(aentry_T), 5);
6829 }
6830
6831 #if defined(FEAT_WINDOWS) || defined(PROTO)
6832
6833 /*
6834 * Remove a reference from an argument list.
6835 * Ignored when the argument list is the global one.
6836 * If the argument list is no longer used by any window, free it.
6837 */
6838 void
6839 alist_unlink(al)
6840 alist_T *al;
6841 {
6842 if (al != &global_alist && --al->al_refcount <= 0)
6843 {
6844 alist_clear(al);
6845 vim_free(al);
6846 }
6847 }
6848
6849 # if defined(FEAT_LISTCMDS) || defined(HAVE_DROP_FILE) || defined(PROTO)
6850 /*
6851 * Create a new argument list and use it for the current window.
6852 */
6853 void
6854 alist_new()
6855 {
6856 curwin->w_alist = (alist_T *)alloc((unsigned)sizeof(alist_T));
6857 if (curwin->w_alist == NULL)
6858 {
6859 curwin->w_alist = &global_alist;
6860 ++global_alist.al_refcount;
6861 }
6862 else
6863 {
6864 curwin->w_alist->al_refcount = 1;
6865 alist_init(curwin->w_alist);
6866 }
6867 }
6868 # endif
6869 #endif
6870
6871 #if (!defined(UNIX) && !defined(__EMX__)) || defined(ARCHIE) || defined(PROTO)
6872 /*
6873 * Expand the file names in the global argument list.
6874 * If "fnum_list" is not NULL, use "fnum_list[fnum_len]" as a list of buffer
6875 * numbers to be re-used.
6876 */
6877 void
6878 alist_expand(fnum_list, fnum_len)
6879 int *fnum_list;
6880 int fnum_len;
6881 {
6882 char_u **old_arg_files;
6883 int old_arg_count;
6884 char_u **new_arg_files;
6885 int new_arg_file_count;
6886 char_u *save_p_su = p_su;
6887 int i;
6888
6889 /* Don't use 'suffixes' here. This should work like the shell did the
6890 * expansion. Also, the vimrc file isn't read yet, thus the user
6891 * can't set the options. */
6892 p_su = empty_option;
6893 old_arg_files = (char_u **)alloc((unsigned)(sizeof(char_u *) * GARGCOUNT));
6894 if (old_arg_files != NULL)
6895 {
6896 for (i = 0; i < GARGCOUNT; ++i)
6897 old_arg_files[i] = vim_strsave(GARGLIST[i].ae_fname);
6898 old_arg_count = GARGCOUNT;
6899 if (expand_wildcards(old_arg_count, old_arg_files,
6900 &new_arg_file_count, &new_arg_files,
6901 EW_FILE|EW_NOTFOUND|EW_ADDSLASH) == OK
6902 && new_arg_file_count > 0)
6903 {
6904 alist_set(&global_alist, new_arg_file_count, new_arg_files,
6905 TRUE, fnum_list, fnum_len);
6906 FreeWild(old_arg_count, old_arg_files);
6907 }
6908 }
6909 p_su = save_p_su;
6910 }
6911 #endif
6912
6913 /*
6914 * Set the argument list for the current window.
6915 * Takes over the allocated files[] and the allocated fnames in it.
6916 */
6917 void
6918 alist_set(al, count, files, use_curbuf, fnum_list, fnum_len)
6919 alist_T *al;
6920 int count;
6921 char_u **files;
6922 int use_curbuf;
6923 int *fnum_list;
6924 int fnum_len;
6925 {
6926 int i;
6927
6928 alist_clear(al);
6929 if (ga_grow(&al->al_ga, count) == OK)
6930 {
6931 for (i = 0; i < count; ++i)
6932 {
6933 if (got_int)
6934 {
6935 /* When adding many buffers this can take a long time. Allow
6936 * interrupting here. */
6937 while (i < count)
6938 vim_free(files[i++]);
6939 break;
6940 }
6941
6942 /* May set buffer name of a buffer previously used for the
6943 * argument list, so that it's re-used by alist_add. */
6944 if (fnum_list != NULL && i < fnum_len)
6945 buf_set_name(fnum_list[i], files[i]);
6946
6947 alist_add(al, files[i], use_curbuf ? 2 : 1);
6948 ui_breakcheck();
6949 }
6950 vim_free(files);
6951 }
6952 else
6953 FreeWild(count, files);
6954 #ifdef FEAT_WINDOWS
6955 if (al == &global_alist)
6956 #endif
6957 arg_had_last = FALSE;
6958 }
6959
6960 /*
6961 * Add file "fname" to argument list "al".
6962 * "fname" must have been allocated and "al" must have been checked for room.
6963 */
6964 void
6965 alist_add(al, fname, set_fnum)
6966 alist_T *al;
6967 char_u *fname;
6968 int set_fnum; /* 1: set buffer number; 2: re-use curbuf */
6969 {
6970 if (fname == NULL) /* don't add NULL file names */
6971 return;
6972 #ifdef BACKSLASH_IN_FILENAME
6973 slash_adjust(fname);
6974 #endif
6975 AARGLIST(al)[al->al_ga.ga_len].ae_fname = fname;
6976 if (set_fnum > 0)
6977 AARGLIST(al)[al->al_ga.ga_len].ae_fnum =
6978 buflist_add(fname, BLN_LISTED | (set_fnum == 2 ? BLN_CURBUF : 0));
6979 ++al->al_ga.ga_len;
6980 }
6981
6982 #if defined(BACKSLASH_IN_FILENAME) || defined(PROTO)
6983 /*
6984 * Adjust slashes in file names. Called after 'shellslash' was set.
6985 */
6986 void
6987 alist_slash_adjust()
6988 {
6989 int i;
6990 # ifdef FEAT_WINDOWS
6991 win_T *wp;
6992 tabpage_T *tp;
6993 # endif
6994
6995 for (i = 0; i < GARGCOUNT; ++i)
6996 if (GARGLIST[i].ae_fname != NULL)
6997 slash_adjust(GARGLIST[i].ae_fname);
6998 # ifdef FEAT_WINDOWS
6999 FOR_ALL_TAB_WINDOWS(tp, wp)
7000 if (wp->w_alist != &global_alist)
7001 for (i = 0; i < WARGCOUNT(wp); ++i)
7002 if (WARGLIST(wp)[i].ae_fname != NULL)
7003 slash_adjust(WARGLIST(wp)[i].ae_fname);
7004 # endif
7005 }
7006 #endif
7007
7008 /*
7009 * ":preserve".
7010 */
7011 /*ARGSUSED*/
7012 static void
7013 ex_preserve(eap)
7014 exarg_T *eap;
7015 {
7016 curbuf->b_flags |= BF_PRESERVED;
7017 ml_preserve(curbuf, TRUE);
7018 }
7019
7020 /*
7021 * ":recover".
7022 */
7023 static void
7024 ex_recover(eap)
7025 exarg_T *eap;
7026 {
7027 /* Set recoverymode right away to avoid the ATTENTION prompt. */
7028 recoverymode = TRUE;
7029 if (!check_changed(curbuf, p_awa, TRUE, eap->forceit, FALSE)
7030 && (*eap->arg == NUL
7031 || setfname(curbuf, eap->arg, NULL, TRUE) == OK))
7032 ml_recover();
7033 recoverymode = FALSE;
7034 }
7035
7036 /*
7037 * Command modifier used in a wrong way.
7038 */
7039 static void
7040 ex_wrongmodifier(eap)
7041 exarg_T *eap;
7042 {
7043 eap->errmsg = e_invcmd;
7044 }
7045
7046 #ifdef FEAT_WINDOWS
7047 /*
7048 * :sview [+command] file split window with new file, read-only
7049 * :split [[+command] file] split window with current or new file
7050 * :vsplit [[+command] file] split window vertically with current or new file
7051 * :new [[+command] file] split window with no or new file
7052 * :vnew [[+command] file] split vertically window with no or new file
7053 * :sfind [+command] file split window with file in 'path'
7054 *
7055 * :tabedit open new Tab page with empty window
7056 * :tabedit [+command] file open new Tab page and edit "file"
7057 * :tabnew [[+command] file] just like :tabedit
7058 * :tabfind [+command] file open new Tab page and find "file"
7059 */
7060 void
7061 ex_splitview(eap)
7062 exarg_T *eap;
7063 {
7064 win_T *old_curwin = curwin;
7065 # if defined(FEAT_SEARCHPATH) || defined(FEAT_BROWSE)
7066 char_u *fname = NULL;
7067 # endif
7068 # ifdef FEAT_BROWSE
7069 int browse_flag = cmdmod.browse;
7070 # endif
7071
7072 # ifndef FEAT_VERTSPLIT
7073 if (eap->cmdidx == CMD_vsplit || eap->cmdidx == CMD_vnew)
7074 {
7075 ex_ni(eap);
7076 return;
7077 }
7078 # endif
7079
7080 # ifdef FEAT_GUI
7081 need_mouse_correct = TRUE;
7082 # endif
7083
7084 # ifdef FEAT_QUICKFIX
7085 /* A ":split" in the quickfix window works like ":new". Don't want two
7086 * quickfix windows. But it's OK when doing ":tab split". */
7087 if (bt_quickfix(curbuf) && cmdmod.tab == 0)
7088 {
7089 if (eap->cmdidx == CMD_split)
7090 eap->cmdidx = CMD_new;
7091 # ifdef FEAT_VERTSPLIT
7092 if (eap->cmdidx == CMD_vsplit)
7093 eap->cmdidx = CMD_vnew;
7094 # endif
7095 }
7096 # endif
7097
7098 # ifdef FEAT_SEARCHPATH
7099 if (eap->cmdidx == CMD_sfind || eap->cmdidx == CMD_tabfind)
7100 {
7101 fname = find_file_in_path(eap->arg, (int)STRLEN(eap->arg),
7102 FNAME_MESS, TRUE, curbuf->b_ffname);
7103 if (fname == NULL)
7104 goto theend;
7105 eap->arg = fname;
7106 }
7107 # ifdef FEAT_BROWSE
7108 else
7109 # endif
7110 # endif
7111 # ifdef FEAT_BROWSE
7112 if (cmdmod.browse
7113 # ifdef FEAT_VERTSPLIT
7114 && eap->cmdidx != CMD_vnew
7115 # endif
7116 && eap->cmdidx != CMD_new)
7117 {
7118 # ifdef FEAT_AUTOCMD
7119 if (
7120 # ifdef FEAT_GUI
7121 !gui.in_use &&
7122 # endif
7123 au_has_group((char_u *)"FileExplorer"))
7124 {
7125 /* No browsing supported but we do have the file explorer:
7126 * Edit the directory. */
7127 if (*eap->arg == NUL || !mch_isdir(eap->arg))
7128 eap->arg = (char_u *)".";
7129 }
7130 else
7131 # endif
7132 {
7133 fname = do_browse(0, (char_u *)_("Edit File in new window"),
7134 eap->arg, NULL, NULL, NULL, curbuf);
7135 if (fname == NULL)
7136 goto theend;
7137 eap->arg = fname;
7138 }
7139 }
7140 cmdmod.browse = FALSE; /* Don't browse again in do_ecmd(). */
7141 # endif
7142
7143 /*
7144 * Either open new tab page or split the window.
7145 */
7146 if (eap->cmdidx == CMD_tabedit
7147 || eap->cmdidx == CMD_tabfind
7148 || eap->cmdidx == CMD_tabnew)
7149 {
7150 if (win_new_tabpage(cmdmod.tab != 0 ? cmdmod.tab
7151 : eap->addr_count == 0 ? 0
7152 : (int)eap->line2 + 1) != FAIL)
7153 {
7154 do_exedit(eap, old_curwin);
7155
7156 /* set the alternate buffer for the window we came from */
7157 if (curwin != old_curwin
7158 && win_valid(old_curwin)
7159 && old_curwin->w_buffer != curbuf
7160 && !cmdmod.keepalt)
7161 old_curwin->w_alt_fnum = curbuf->b_fnum;
7162 }
7163 }
7164 else if (win_split(eap->addr_count > 0 ? (int)eap->line2 : 0,
7165 *eap->cmd == 'v' ? WSP_VERT : 0) != FAIL)
7166 {
7167 # ifdef FEAT_SCROLLBIND
7168 /* Reset 'scrollbind' when editing another file, but keep it when
7169 * doing ":split" without arguments. */
7170 if (*eap->arg != NUL
7171 # ifdef FEAT_BROWSE
7172 || cmdmod.browse
7173 # endif
7174 )
7175 curwin->w_p_scb = FALSE;
7176 else
7177 do_check_scrollbind(FALSE);
7178 # endif
7179 do_exedit(eap, old_curwin);
7180 }
7181
7182 # ifdef FEAT_BROWSE
7183 cmdmod.browse = browse_flag;
7184 # endif
7185
7186 # if defined(FEAT_SEARCHPATH) || defined(FEAT_BROWSE)
7187 theend:
7188 vim_free(fname);
7189 # endif
7190 }
7191
7192 /*
7193 * Open a new tab page.
7194 */
7195 void
7196 tabpage_new()
7197 {
7198 exarg_T ea;
7199
7200 vim_memset(&ea, 0, sizeof(ea));
7201 ea.cmdidx = CMD_tabnew;
7202 ea.cmd = (char_u *)"tabn";
7203 ea.arg = (char_u *)"";
7204 ex_splitview(&ea);
7205 }
7206
7207 /*
7208 * :tabnext command
7209 */
7210 static void
7211 ex_tabnext(eap)
7212 exarg_T *eap;
7213 {
7214 switch (eap->cmdidx)
7215 {
7216 case CMD_tabfirst:
7217 case CMD_tabrewind:
7218 goto_tabpage(1);
7219 break;
7220 case CMD_tablast:
7221 goto_tabpage(9999);
7222 break;
7223 case CMD_tabprevious:
7224 case CMD_tabNext:
7225 goto_tabpage(eap->addr_count == 0 ? -1 : -(int)eap->line2);
7226 break;
7227 default: /* CMD_tabnext */
7228 goto_tabpage(eap->addr_count == 0 ? 0 : (int)eap->line2);
7229 break;
7230 }
7231 }
7232
7233 /*
7234 * :tabmove command
7235 */
7236 static void
7237 ex_tabmove(eap)
7238 exarg_T *eap;
7239 {
7240 tabpage_move(eap->addr_count == 0 ? 9999 : (int)eap->line2);
7241 }
7242
7243 /*
7244 * :tabs command: List tabs and their contents.
7245 */
7246 /*ARGSUSED*/
7247 static void
7248 ex_tabs(eap)
7249 exarg_T *eap;
7250 {
7251 tabpage_T *tp;
7252 win_T *wp;
7253 int tabcount = 1;
7254
7255 msg_start();
7256 msg_scroll = TRUE;
7257 for (tp = first_tabpage; tp != NULL && !got_int; tp = tp->tp_next)
7258 {
7259 msg_putchar('\n');
7260 vim_snprintf((char *)IObuff, IOSIZE, _("Tab page %d"), tabcount++);
7261 msg_outtrans_attr(IObuff, hl_attr(HLF_T));
7262 out_flush(); /* output one line at a time */
7263 ui_breakcheck();
7264
7265 if (tp == curtab)
7266 wp = firstwin;
7267 else
7268 wp = tp->tp_firstwin;
7269 for ( ; wp != NULL && !got_int; wp = wp->w_next)
7270 {
7271 msg_putchar('\n');
7272 msg_putchar(wp == curwin ? '>' : ' ');
7273 msg_putchar(' ');
7274 msg_putchar(bufIsChanged(wp->w_buffer) ? '+' : ' ');
7275 msg_putchar(' ');
7276 if (buf_spname(wp->w_buffer) != NULL)
7277 STRCPY(IObuff, buf_spname(wp->w_buffer));
7278 else
7279 home_replace(wp->w_buffer, wp->w_buffer->b_fname,
7280 IObuff, IOSIZE, TRUE);
7281 msg_outtrans(IObuff);
7282 out_flush(); /* output one line at a time */
7283 ui_breakcheck();
7284 }
7285 }
7286 }
7287
7288 #endif /* FEAT_WINDOWS */
7289
7290 /*
7291 * ":mode": Set screen mode.
7292 * If no argument given, just get the screen size and redraw.
7293 */
7294 static void
7295 ex_mode(eap)
7296 exarg_T *eap;
7297 {
7298 if (*eap->arg == NUL)
7299 shell_resized();
7300 else
7301 mch_screenmode(eap->arg);
7302 }
7303
7304 #ifdef FEAT_WINDOWS
7305 /*
7306 * ":resize".
7307 * set, increment or decrement current window height
7308 */
7309 static void
7310 ex_resize(eap)
7311 exarg_T *eap;
7312 {
7313 int n;
7314 win_T *wp = curwin;
7315
7316 if (eap->addr_count > 0)
7317 {
7318 n = eap->line2;
7319 for (wp = firstwin; wp->w_next != NULL && --n > 0; wp = wp->w_next)
7320 ;
7321 }
7322
7323 #ifdef FEAT_GUI
7324 need_mouse_correct = TRUE;
7325 #endif
7326 n = atol((char *)eap->arg);
7327 #ifdef FEAT_VERTSPLIT
7328 if (cmdmod.split & WSP_VERT)
7329 {
7330 if (*eap->arg == '-' || *eap->arg == '+')
7331 n += W_WIDTH(curwin);
7332 else if (n == 0 && eap->arg[0] == NUL) /* default is very wide */
7333 n = 9999;
7334 win_setwidth_win((int)n, wp);
7335 }
7336 else
7337 #endif
7338 {
7339 if (*eap->arg == '-' || *eap->arg == '+')
7340 n += curwin->w_height;
7341 else if (n == 0 && eap->arg[0] == NUL) /* default is very wide */
7342 n = 9999;
7343 win_setheight_win((int)n, wp);
7344 }
7345 }
7346 #endif
7347
7348 /*
7349 * ":find [+command] <file>" command.
7350 */
7351 static void
7352 ex_find(eap)
7353 exarg_T *eap;
7354 {
7355 #ifdef FEAT_SEARCHPATH
7356 char_u *fname;
7357 int count;
7358
7359 fname = find_file_in_path(eap->arg, (int)STRLEN(eap->arg), FNAME_MESS,
7360 TRUE, curbuf->b_ffname);
7361 if (eap->addr_count > 0)
7362 {
7363 /* Repeat finding the file "count" times. This matters when it
7364 * appears several times in the path. */
7365 count = eap->line2;
7366 while (fname != NULL && --count > 0)
7367 {
7368 vim_free(fname);
7369 fname = find_file_in_path(NULL, 0, FNAME_MESS,
7370 FALSE, curbuf->b_ffname);
7371 }
7372 }
7373
7374 if (fname != NULL)
7375 {
7376 eap->arg = fname;
7377 #endif
7378 do_exedit(eap, NULL);
7379 #ifdef FEAT_SEARCHPATH
7380 vim_free(fname);
7381 }
7382 #endif
7383 }
7384
7385 /*
7386 * ":open" simulation: for now just work like ":visual".
7387 */
7388 static void
7389 ex_open(eap)
7390 exarg_T *eap;
7391 {
7392 regmatch_T regmatch;
7393 char_u *p;
7394
7395 curwin->w_cursor.lnum = eap->line2;
7396 beginline(BL_SOL | BL_FIX);
7397 if (*eap->arg == '/')
7398 {
7399 /* ":open /pattern/": put cursor in column found with pattern */
7400 ++eap->arg;
7401 p = skip_regexp(eap->arg, '/', p_magic, NULL);
7402 *p = NUL;
7403 regmatch.regprog = vim_regcomp(eap->arg, p_magic ? RE_MAGIC : 0);
7404 if (regmatch.regprog != NULL)
7405 {
7406 regmatch.rm_ic = p_ic;
7407 p = ml_get_curline();
7408 if (vim_regexec(&regmatch, p, (colnr_T)0))
7409 curwin->w_cursor.col = (colnr_T)(regmatch.startp[0] - p);
7410 else
7411 EMSG(_(e_nomatch));
7412 vim_free(regmatch.regprog);
7413 }
7414 /* Move to the NUL, ignore any other arguments. */
7415 eap->arg += STRLEN(eap->arg);
7416 }
7417 check_cursor();
7418
7419 eap->cmdidx = CMD_visual;
7420 do_exedit(eap, NULL);
7421 }
7422
7423 /*
7424 * ":edit", ":badd", ":visual".
7425 */
7426 static void
7427 ex_edit(eap)
7428 exarg_T *eap;
7429 {
7430 do_exedit(eap, NULL);
7431 }
7432
7433 /*
7434 * ":edit <file>" command and alikes.
7435 */
7436 /*ARGSUSED*/
7437 void
7438 do_exedit(eap, old_curwin)
7439 exarg_T *eap;
7440 win_T *old_curwin; /* curwin before doing a split or NULL */
7441 {
7442 int n;
7443 #ifdef FEAT_WINDOWS
7444 int need_hide;
7445 #endif
7446 int exmode_was = exmode_active;
7447
7448 /*
7449 * ":vi" command ends Ex mode.
7450 */
7451 if (exmode_active && (eap->cmdidx == CMD_visual
7452 || eap->cmdidx == CMD_view))
7453 {
7454 exmode_active = FALSE;
7455 if (*eap->arg == NUL)
7456 {
7457 /* Special case: ":global/pat/visual\NLvi-commands" */
7458 if (global_busy)
7459 {
7460 int rd = RedrawingDisabled;
7461 int nwr = no_wait_return;
7462 int ms = msg_scroll;
7463 #ifdef FEAT_GUI
7464 int he = hold_gui_events;
7465 #endif
7466
7467 if (eap->nextcmd != NULL)
7468 {
7469 stuffReadbuff(eap->nextcmd);
7470 eap->nextcmd = NULL;
7471 }
7472
7473 if (exmode_was != EXMODE_VIM)
7474 settmode(TMODE_RAW);
7475 RedrawingDisabled = 0;
7476 no_wait_return = 0;
7477 need_wait_return = FALSE;
7478 msg_scroll = 0;
7479 #ifdef FEAT_GUI
7480 hold_gui_events = 0;
7481 #endif
7482 must_redraw = CLEAR;
7483
7484 main_loop(FALSE, TRUE);
7485
7486 RedrawingDisabled = rd;
7487 no_wait_return = nwr;
7488 msg_scroll = ms;
7489 #ifdef FEAT_GUI
7490 hold_gui_events = he;
7491 #endif
7492 }
7493 return;
7494 }
7495 }
7496
7497 if ((eap->cmdidx == CMD_new
7498 || eap->cmdidx == CMD_tabnew
7499 || eap->cmdidx == CMD_tabedit
7500 #ifdef FEAT_VERTSPLIT
7501 || eap->cmdidx == CMD_vnew
7502 #endif
7503 ) && *eap->arg == NUL)
7504 {
7505 /* ":new" or ":tabnew" without argument: edit an new empty buffer */
7506 setpcmark();
7507 (void)do_ecmd(0, NULL, NULL, eap, ECMD_ONE,
7508 ECMD_HIDE + (eap->forceit ? ECMD_FORCEIT : 0));
7509 }
7510 else if ((eap->cmdidx != CMD_split
7511 #ifdef FEAT_VERTSPLIT
7512 && eap->cmdidx != CMD_vsplit
7513 #endif
7514 )
7515 || *eap->arg != NUL
7516 #ifdef FEAT_BROWSE
7517 || cmdmod.browse
7518 #endif
7519 )
7520 {
7521 #ifdef FEAT_AUTOCMD
7522 /* Can't edit another file when "curbuf_lock" is set. Only ":edit"
7523 * can bring us here, others are stopped earlier. */
7524 if (*eap->arg != NUL && curbuf_locked())
7525 return;
7526 #endif
7527 n = readonlymode;
7528 if (eap->cmdidx == CMD_view || eap->cmdidx == CMD_sview)
7529 readonlymode = TRUE;
7530 else if (eap->cmdidx == CMD_enew)
7531 readonlymode = FALSE; /* 'readonly' doesn't make sense in an
7532 empty buffer */
7533 setpcmark();
7534 if (do_ecmd(0, (eap->cmdidx == CMD_enew ? NULL : eap->arg),
7535 NULL, eap,
7536 /* ":edit" goes to first line if Vi compatible */
7537 (*eap->arg == NUL && eap->do_ecmd_lnum == 0
7538 && vim_strchr(p_cpo, CPO_GOTO1) != NULL)
7539 ? ECMD_ONE : eap->do_ecmd_lnum,
7540 (P_HID(curbuf) ? ECMD_HIDE : 0)
7541 + (eap->forceit ? ECMD_FORCEIT : 0)
7542 #ifdef FEAT_LISTCMDS
7543 + (eap->cmdidx == CMD_badd ? ECMD_ADDBUF : 0 )
7544 #endif
7545 ) == FAIL)
7546 {
7547 /* Editing the file failed. If the window was split, close it. */
7548 #ifdef FEAT_WINDOWS
7549 if (old_curwin != NULL)
7550 {
7551 need_hide = (curbufIsChanged() && curbuf->b_nwindows <= 1);
7552 if (!need_hide || P_HID(curbuf))
7553 {
7554 # if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL)
7555 cleanup_T cs;
7556
7557 /* Reset the error/interrupt/exception state here so that
7558 * aborting() returns FALSE when closing a window. */
7559 enter_cleanup(&cs);
7560 # endif
7561 # ifdef FEAT_GUI
7562 need_mouse_correct = TRUE;
7563 # endif
7564 win_close(curwin, !need_hide && !P_HID(curbuf));
7565
7566 # if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL)
7567 /* Restore the error/interrupt/exception state if not
7568 * discarded by a new aborting error, interrupt, or
7569 * uncaught exception. */
7570 leave_cleanup(&cs);
7571 # endif
7572 }
7573 }
7574 #endif
7575 }
7576 else if (readonlymode && curbuf->b_nwindows == 1)
7577 {
7578 /* When editing an already visited buffer, 'readonly' won't be set
7579 * but the previous value is kept. With ":view" and ":sview" we
7580 * want the file to be readonly, except when another window is
7581 * editing the same buffer. */
7582 curbuf->b_p_ro = TRUE;
7583 }
7584 readonlymode = n;
7585 }
7586 else
7587 {
7588 if (eap->do_ecmd_cmd != NULL)
7589 do_cmdline_cmd(eap->do_ecmd_cmd);
7590 #ifdef FEAT_TITLE
7591 n = curwin->w_arg_idx_invalid;
7592 #endif
7593 check_arg_idx(curwin);
7594 #ifdef FEAT_TITLE
7595 if (n != curwin->w_arg_idx_invalid)
7596 maketitle();
7597 #endif
7598 }
7599
7600 #ifdef FEAT_WINDOWS
7601 /*
7602 * if ":split file" worked, set alternate file name in old window to new
7603 * file
7604 */
7605 if (old_curwin != NULL
7606 && *eap->arg != NUL
7607 && curwin != old_curwin
7608 && win_valid(old_curwin)
7609 && old_curwin->w_buffer != curbuf
7610 && !cmdmod.keepalt)
7611 old_curwin->w_alt_fnum = curbuf->b_fnum;
7612 #endif
7613
7614 ex_no_reprint = TRUE;
7615 }
7616
7617 #ifndef FEAT_GUI
7618 /*
7619 * ":gui" and ":gvim" when there is no GUI.
7620 */
7621 static void
7622 ex_nogui(eap)
7623 exarg_T *eap;
7624 {
7625 eap->errmsg = e_nogvim;
7626 }
7627 #endif
7628
7629 #if defined(FEAT_GUI_W32) && defined(FEAT_MENU) && defined(FEAT_TEAROFF)
7630 static void
7631 ex_tearoff(eap)
7632 exarg_T *eap;
7633 {
7634 gui_make_tearoff(eap->arg);
7635 }
7636 #endif
7637
7638 #if defined(FEAT_MENU) && (defined(FEAT_GUI_MSWIN) || defined(FEAT_GUI_GTK) \
7639 || defined(FEAT_GUI_MACVIM))
7640 static void
7641 ex_popup(eap)
7642 exarg_T *eap;
7643 {
7644 gui_make_popup(eap->arg, eap->forceit);
7645 }
7646 #endif
7647
7648 /*ARGSUSED*/
7649 static void
7650 ex_swapname(eap)
7651 exarg_T *eap;
7652 {
7653 if (curbuf->b_ml.ml_mfp == NULL || curbuf->b_ml.ml_mfp->mf_fname == NULL)
7654 MSG(_("No swap file"));
7655 else
7656 msg(curbuf->b_ml.ml_mfp->mf_fname);
7657 }
7658
7659 /*
7660 * ":syncbind" forces all 'scrollbind' windows to have the same relative
7661 * offset.
7662 * (1998-11-02 16:21:01 R. Edward Ralston <eralston@computer.org>)
7663 */
7664 /*ARGSUSED*/
7665 static void
7666 ex_syncbind(eap)
7667 exarg_T *eap;
7668 {
7669 #ifdef FEAT_SCROLLBIND
7670 win_T *wp;
7671 long topline;
7672 long y;
7673 linenr_T old_linenr = curwin->w_cursor.lnum;
7674
7675 setpcmark();
7676
7677 /*
7678 * determine max topline
7679 */
7680 if (curwin->w_p_scb)
7681 {
7682 topline = curwin->w_topline;
7683 for (wp = firstwin; wp; wp = wp->w_next)
7684 {
7685 if (wp->w_p_scb && wp->w_buffer)
7686 {
7687 y = wp->w_buffer->b_ml.ml_line_count - p_so;
7688 if (topline > y)
7689 topline = y;
7690 }
7691 }
7692 if (topline < 1)
7693 topline = 1;
7694 }
7695 else
7696 {
7697 topline = 1;
7698 }
7699
7700
7701 /*
7702 * set all scrollbind windows to the same topline
7703 */
7704 wp = curwin;
7705 for (curwin = firstwin; curwin; curwin = curwin->w_next)
7706 {
7707 if (curwin->w_p_scb)
7708 {
7709 y = topline - curwin->w_topline;
7710 if (y > 0)
7711 scrollup(y, TRUE);
7712 else
7713 scrolldown(-y, TRUE);
7714 curwin->w_scbind_pos = topline;
7715 redraw_later(VALID);
7716 cursor_correct();
7717 #ifdef FEAT_WINDOWS
7718 curwin->w_redr_status = TRUE;
7719 #endif
7720 }
7721 }
7722 curwin = wp;
7723 if (curwin->w_p_scb)
7724 {
7725 did_syncbind = TRUE;
7726 checkpcmark();
7727 if (old_linenr != curwin->w_cursor.lnum)
7728 {
7729 char_u ctrl_o[2];
7730
7731 ctrl_o[0] = Ctrl_O;
7732 ctrl_o[1] = 0;
7733 ins_typebuf(ctrl_o, REMAP_NONE, 0, TRUE, FALSE);
7734 }
7735 }
7736 #endif
7737 }
7738
7739
7740 static void
7741 ex_read(eap)
7742 exarg_T *eap;
7743 {
7744 int i;
7745 int empty = (curbuf->b_ml.ml_flags & ML_EMPTY);
7746 linenr_T lnum;
7747
7748 if (eap->usefilter) /* :r!cmd */
7749 do_bang(1, eap, FALSE, FALSE, TRUE);
7750 else
7751 {
7752 if (u_save(eap->line2, (linenr_T)(eap->line2 + 1)) == FAIL)
7753 return;
7754
7755 #ifdef FEAT_BROWSE
7756 if (cmdmod.browse)
7757 {
7758 char_u *browseFile;
7759
7760 browseFile = do_browse(0, (char_u *)_("Append File"), eap->arg,
7761 NULL, NULL, NULL, curbuf);
7762 if (browseFile != NULL)
7763 {
7764 i = readfile(browseFile, NULL,
7765 eap->line2, (linenr_T)0, (linenr_T)MAXLNUM, eap, 0);
7766 vim_free(browseFile);
7767 }
7768 else
7769 i = OK;
7770 }
7771 else
7772 #endif
7773 if (*eap->arg == NUL)
7774 {
7775 if (check_fname() == FAIL) /* check for no file name */
7776 return;
7777 i = readfile(curbuf->b_ffname, curbuf->b_fname,
7778 eap->line2, (linenr_T)0, (linenr_T)MAXLNUM, eap, 0);
7779 }
7780 else
7781 {
7782 if (vim_strchr(p_cpo, CPO_ALTREAD) != NULL)
7783 (void)setaltfname(eap->arg, eap->arg, (linenr_T)1);
7784 i = readfile(eap->arg, NULL,
7785 eap->line2, (linenr_T)0, (linenr_T)MAXLNUM, eap, 0);
7786
7787 }
7788 if (i == FAIL)
7789 {
7790 #if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL)
7791 if (!aborting())
7792 #endif
7793 EMSG2(_(e_notopen), eap->arg);
7794 }
7795 else
7796 {
7797 if (empty && exmode_active)
7798 {
7799 /* Delete the empty line that remains. Historically ex does
7800 * this but vi doesn't. */
7801 if (eap->line2 == 0)
7802 lnum = curbuf->b_ml.ml_line_count;
7803 else
7804 lnum = 1;
7805 if (*ml_get(lnum) == NUL && u_savedel(lnum, 1L) == OK)
7806 {
7807 ml_delete(lnum, FALSE);
7808 deleted_lines_mark(lnum, 1L);
7809 if (curwin->w_cursor.lnum > 1
7810 && curwin->w_cursor.lnum >= lnum)
7811 --curwin->w_cursor.lnum;
7812 }
7813 }
7814 redraw_curbuf_later(VALID);
7815 }
7816 }
7817 }
7818
7819 static char_u *prev_dir = NULL;
7820
7821 #if defined(EXITFREE) || defined(PROTO)
7822 void
7823 free_cd_dir()
7824 {
7825 vim_free(prev_dir);
7826 prev_dir = NULL;
7827 }
7828 #endif
7829
7830
7831 /*
7832 * ":cd", ":lcd", ":chdir" and ":lchdir".
7833 */
7834 void
7835 ex_cd(eap)
7836 exarg_T *eap;
7837 {
7838 char_u *new_dir;
7839 char_u *tofree;
7840
7841 new_dir = eap->arg;
7842 #if !defined(UNIX) && !defined(VMS)
7843 /* for non-UNIX ":cd" means: print current directory */
7844 if (*new_dir == NUL)
7845 ex_pwd(NULL);
7846 else
7847 #endif
7848 {
7849 if (vim_strchr(p_cpo, CPO_CHDIR) != NULL && curbufIsChanged()
7850 && !eap->forceit)
7851 {
7852 EMSG(_("E747: Cannot change directory, buffer is modified (add ! to override)"));
7853 return;
7854 }
7855
7856 /* ":cd -": Change to previous directory */
7857 if (STRCMP(new_dir, "-") == 0)
7858 {
7859 if (prev_dir == NULL)
7860 {
7861 EMSG(_("E186: No previous directory"));
7862 return;
7863 }
7864 new_dir = prev_dir;
7865 }
7866
7867 /* Save current directory for next ":cd -" */
7868 tofree = prev_dir;
7869 if (mch_dirname(NameBuff, MAXPATHL) == OK)
7870 prev_dir = vim_strsave(NameBuff);
7871 else
7872 prev_dir = NULL;
7873
7874 #if defined(UNIX) || defined(VMS)
7875 /* for UNIX ":cd" means: go to home directory */
7876 if (*new_dir == NUL)
7877 {
7878 /* use NameBuff for home directory name */
7879 # ifdef VMS
7880 char_u *p;
7881
7882 p = mch_getenv((char_u *)"SYS$LOGIN");
7883 if (p == NULL || *p == NUL) /* empty is the same as not set */
7884 NameBuff[0] = NUL;
7885 else
7886 vim_strncpy(NameBuff, p, MAXPATHL - 1);
7887 # else
7888 expand_env((char_u *)"$HOME", NameBuff, MAXPATHL);
7889 # endif
7890 new_dir = NameBuff;
7891 }
7892 #endif
7893 if (new_dir == NULL || vim_chdir(new_dir))
7894 EMSG(_(e_failed));
7895 else
7896 {
7897 vim_free(curwin->w_localdir);
7898 if (eap->cmdidx == CMD_lcd || eap->cmdidx == CMD_lchdir)
7899 {
7900 /* If still in global directory, need to remember current
7901 * directory as global directory. */
7902 if (globaldir == NULL && prev_dir != NULL)
7903 globaldir = vim_strsave(prev_dir);
7904 /* Remember this local directory for the window. */
7905 if (mch_dirname(NameBuff, MAXPATHL) == OK)
7906 curwin->w_localdir = vim_strsave(NameBuff);
7907 }
7908 else
7909 {
7910 /* We are now in the global directory, no need to remember its
7911 * name. */
7912 vim_free(globaldir);
7913 globaldir = NULL;
7914 curwin->w_localdir = NULL;
7915 }
7916
7917 shorten_fnames(TRUE);
7918
7919 /* Echo the new current directory if the command was typed. */
7920 if (KeyTyped)
7921 ex_pwd(eap);
7922 }
7923 vim_free(tofree);
7924 }
7925 }
7926
7927 /*
7928 * ":pwd".
7929 */
7930 /*ARGSUSED*/
7931 static void
7932 ex_pwd(eap)
7933 exarg_T *eap;
7934 {
7935 if (mch_dirname(NameBuff, MAXPATHL) == OK)
7936 {
7937 #ifdef BACKSLASH_IN_FILENAME
7938 slash_adjust(NameBuff);
7939 #endif
7940 msg(NameBuff);
7941 }
7942 else
7943 EMSG(_("E187: Unknown"));
7944 }
7945
7946 /*
7947 * ":=".
7948 */
7949 static void
7950 ex_equal(eap)
7951 exarg_T *eap;
7952 {
7953 smsg((char_u *)"%ld", (long)eap->line2);
7954 ex_may_print(eap);
7955 }
7956
7957 static void
7958 ex_sleep(eap)
7959 exarg_T *eap;
7960 {
7961 int n;
7962 long len;
7963
7964 if (cursor_valid())
7965 {
7966 n = W_WINROW(curwin) + curwin->w_wrow - msg_scrolled;
7967 if (n >= 0)
7968 windgoto((int)n, curwin->w_wcol);
7969 }
7970
7971 len = eap->line2;
7972 switch (*eap->arg)
7973 {
7974 case 'm': break;
7975 case NUL: len *= 1000L; break;
7976 default: EMSG2(_(e_invarg2), eap->arg); return;
7977 }
7978 do_sleep(len);
7979 }
7980
7981 /*
7982 * Sleep for "msec" milliseconds, but keep checking for a CTRL-C every second.
7983 */
7984 void
7985 do_sleep(msec)
7986 long msec;
7987 {
7988 long done;
7989
7990 cursor_on();
7991 out_flush();
7992 for (done = 0; !got_int && done < msec; done += 1000L)
7993 {
7994 ui_delay(msec - done > 1000L ? 1000L : msec - done, TRUE);
7995 ui_breakcheck();
7996 }
7997 }
7998
7999 static void
8000 do_exmap(eap, isabbrev)
8001 exarg_T *eap;
8002 int isabbrev;
8003 {
8004 int mode;
8005 char_u *cmdp;
8006
8007 cmdp = eap->cmd;
8008 mode = get_map_mode(&cmdp, eap->forceit || isabbrev);
8009
8010 switch (do_map((*cmdp == 'n') ? 2 : (*cmdp == 'u'),
8011 eap->arg, mode, isabbrev))
8012 {
8013 case 1: EMSG(_(e_invarg));
8014 break;
8015 case 2: EMSG(isabbrev ? _(e_noabbr) : _(e_nomap));
8016 break;
8017 }
8018 }
8019
8020 /*
8021 * ":winsize" command (obsolete).
8022 */
8023 static void
8024 ex_winsize(eap)
8025 exarg_T *eap;
8026 {
8027 int w, h;
8028 char_u *arg = eap->arg;
8029 char_u *p;
8030
8031 w = getdigits(&arg);
8032 arg = skipwhite(arg);
8033 p = arg;
8034 h = getdigits(&arg);
8035 if (*p != NUL && *arg == NUL)
8036 set_shellsize(w, h, TRUE);
8037 else
8038 EMSG(_("E465: :winsize requires two number arguments"));
8039 }
8040
8041 #ifdef FEAT_WINDOWS
8042 static void
8043 ex_wincmd(eap)
8044 exarg_T *eap;
8045 {
8046 int xchar = NUL;
8047 char_u *p;
8048
8049 if (*eap->arg == 'g' || *eap->arg == Ctrl_G)
8050 {
8051 /* CTRL-W g and CTRL-W CTRL-G have an extra command character */
8052 if (eap->arg[1] == NUL)
8053 {
8054 EMSG(_(e_invarg));
8055 return;
8056 }
8057 xchar = eap->arg[1];
8058 p = eap->arg + 2;
8059 }
8060 else
8061 p = eap->arg + 1;
8062
8063 eap->nextcmd = check_nextcmd(p);
8064 p = skipwhite(p);
8065 if (*p != NUL && *p != '"' && eap->nextcmd == NULL)
8066 EMSG(_(e_invarg));
8067 else
8068 {
8069 /* Pass flags on for ":vertical wincmd ]". */
8070 postponed_split_flags = cmdmod.split;
8071 postponed_split_tab = cmdmod.tab;
8072 do_window(*eap->arg, eap->addr_count > 0 ? eap->line2 : 0L, xchar);
8073 postponed_split_flags = 0;
8074 postponed_split_tab = 0;
8075 }
8076 }
8077 #endif
8078
8079 #if defined(FEAT_GUI) || defined(UNIX) || defined(VMS) || defined(MSWIN)
8080 /*
8081 * ":winpos".
8082 */
8083 static void
8084 ex_winpos(eap)
8085 exarg_T *eap;
8086 {
8087 int x, y;
8088 char_u *arg = eap->arg;
8089 char_u *p;
8090
8091 if (*arg == NUL)
8092 {
8093 # if defined(FEAT_GUI) || defined(MSWIN)
8094 # ifdef FEAT_GUI
8095 if (gui.in_use && gui_mch_get_winpos(&x, &y) != FAIL)
8096 # else
8097 if (mch_get_winpos(&x, &y) != FAIL)
8098 # endif
8099 {
8100 sprintf((char *)IObuff, _("Window position: X %d, Y %d"), x, y);
8101 msg(IObuff);
8102 }
8103 else
8104 # endif
8105 EMSG(_("E188: Obtaining window position not implemented for this platform"));
8106 }
8107 else
8108 {
8109 x = getdigits(&arg);
8110 arg = skipwhite(arg);
8111 p = arg;
8112 y = getdigits(&arg);
8113 if (*p == NUL || *arg != NUL)
8114 {
8115 EMSG(_("E466: :winpos requires two number arguments"));
8116 return;
8117 }
8118 # ifdef FEAT_GUI
8119 if (gui.in_use)
8120 gui_mch_set_winpos(x, y);
8121 else if (gui.starting)
8122 {
8123 /* Remember the coordinates for when the window is opened. */
8124 gui_win_x = x;
8125 gui_win_y = y;
8126 }
8127 # ifdef HAVE_TGETENT
8128 else
8129 # endif
8130 # else
8131 # ifdef MSWIN
8132 mch_set_winpos(x, y);
8133 # endif
8134 # endif
8135 # ifdef HAVE_TGETENT
8136 if (*T_CWP)
8137 term_set_winpos(x, y);
8138 # endif
8139 }
8140 }
8141 #endif
8142
8143 /*
8144 * Handle command that work like operators: ":delete", ":yank", ":>" and ":<".
8145 */
8146 static void
8147 ex_operators(eap)
8148 exarg_T *eap;
8149 {
8150 oparg_T oa;
8151
8152 clear_oparg(&oa);
8153 oa.regname = eap->regname;
8154 oa.start.lnum = eap->line1;
8155 oa.end.lnum = eap->line2;
8156 oa.line_count = eap->line2 - eap->line1 + 1;
8157 oa.motion_type = MLINE;
8158 #ifdef FEAT_VIRTUALEDIT
8159 virtual_op = FALSE;
8160 #endif
8161 if (eap->cmdidx != CMD_yank) /* position cursor for undo */
8162 {
8163 setpcmark();
8164 curwin->w_cursor.lnum = eap->line1;
8165 beginline(BL_SOL | BL_FIX);
8166 }
8167
8168 switch (eap->cmdidx)
8169 {
8170 case CMD_delete:
8171 oa.op_type = OP_DELETE;
8172 op_delete(&oa);
8173 break;
8174
8175 case CMD_yank:
8176 oa.op_type = OP_YANK;
8177 (void)op_yank(&oa, FALSE, TRUE);
8178 break;
8179
8180 default: /* CMD_rshift or CMD_lshift */
8181 if ((eap->cmdidx == CMD_rshift)
8182 #ifdef FEAT_RIGHTLEFT
8183 ^ curwin->w_p_rl
8184 #endif
8185 )
8186 oa.op_type = OP_RSHIFT;
8187 else
8188 oa.op_type = OP_LSHIFT;
8189 op_shift(&oa, FALSE, eap->amount);
8190 break;
8191 }
8192 #ifdef FEAT_VIRTUALEDIT
8193 virtual_op = MAYBE;
8194 #endif
8195 ex_may_print(eap);
8196 }
8197
8198 /*
8199 * ":put".
8200 */
8201 static void
8202 ex_put(eap)
8203 exarg_T *eap;
8204 {
8205 /* ":0put" works like ":1put!". */
8206 if (eap->line2 == 0)
8207 {
8208 eap->line2 = 1;
8209 eap->forceit = TRUE;
8210 }
8211 curwin->w_cursor.lnum = eap->line2;
8212 do_put(eap->regname, eap->forceit ? BACKWARD : FORWARD, 1L,
8213 PUT_LINE|PUT_CURSLINE);
8214 }
8215
8216 /*
8217 * Handle ":copy" and ":move".
8218 */
8219 static void
8220 ex_copymove(eap)
8221 exarg_T *eap;
8222 {
8223 long n;
8224
8225 n = get_address(&eap->arg, FALSE, FALSE);
8226 if (eap->arg == NULL) /* error detected */
8227 {
8228 eap->nextcmd = NULL;
8229 return;
8230 }
8231 get_flags(eap);
8232
8233 /*
8234 * move or copy lines from 'eap->line1'-'eap->line2' to below line 'n'
8235 */
8236 if (n == MAXLNUM || n < 0 || n > curbuf->b_ml.ml_line_count)
8237 {
8238 EMSG(_(e_invaddr));
8239 return;
8240 }
8241
8242 if (eap->cmdidx == CMD_move)
8243 {
8244 if (do_move(eap->line1, eap->line2, n) == FAIL)
8245 return;
8246 }
8247 else
8248 ex_copy(eap->line1, eap->line2, n);
8249 u_clearline();
8250 beginline(BL_SOL | BL_FIX);
8251 ex_may_print(eap);
8252 }
8253
8254 /*
8255 * Print the current line if flags were given to the Ex command.
8256 */
8257 static void
8258 ex_may_print(eap)
8259 exarg_T *eap;
8260 {
8261 if (eap->flags != 0)
8262 {
8263 print_line(curwin->w_cursor.lnum, (eap->flags & EXFLAG_NR),
8264 (eap->flags & EXFLAG_LIST));
8265 ex_no_reprint = TRUE;
8266 }
8267 }
8268
8269 /*
8270 * ":smagic" and ":snomagic".
8271 */
8272 static void
8273 ex_submagic(eap)
8274 exarg_T *eap;
8275 {
8276 int magic_save = p_magic;
8277
8278 p_magic = (eap->cmdidx == CMD_smagic);
8279 do_sub(eap);
8280 p_magic = magic_save;
8281 }
8282
8283 /*
8284 * ":join".
8285 */
8286 static void
8287 ex_join(eap)
8288 exarg_T *eap;
8289 {
8290 curwin->w_cursor.lnum = eap->line1;
8291 if (eap->line1 == eap->line2)
8292 {
8293 if (eap->addr_count >= 2) /* :2,2join does nothing */
8294 return;
8295 if (eap->line2 == curbuf->b_ml.ml_line_count)
8296 {
8297 beep_flush();
8298 return;
8299 }
8300 ++eap->line2;
8301 }
8302 do_do_join(eap->line2 - eap->line1 + 1, !eap->forceit);
8303 beginline(BL_WHITE | BL_FIX);
8304 ex_may_print(eap);
8305 }
8306
8307 /*
8308 * ":[addr]@r" or ":[addr]*r": execute register
8309 */
8310 static void
8311 ex_at(eap)
8312 exarg_T *eap;
8313 {
8314 int c;
8315
8316 curwin->w_cursor.lnum = eap->line2;
8317
8318 #ifdef USE_ON_FLY_SCROLL
8319 dont_scroll = TRUE; /* disallow scrolling here */
8320 #endif
8321
8322 /* get the register name. No name means to use the previous one */
8323 c = *eap->arg;
8324 if (c == NUL || (c == '*' && *eap->cmd == '*'))
8325 c = '@';
8326 /* Put the register in the typeahead buffer with the "silent" flag. */
8327 if (do_execreg(c, TRUE, vim_strchr(p_cpo, CPO_EXECBUF) != NULL, TRUE)
8328 == FAIL)
8329 {
8330 beep_flush();
8331 }
8332 else
8333 {
8334 int save_efr = exec_from_reg;
8335
8336 exec_from_reg = TRUE;
8337
8338 /*
8339 * Execute from the typeahead buffer.
8340 * Originally this didn't check for the typeahead buffer to be empty,
8341 * thus could read more Ex commands from stdin. It's not clear why,
8342 * it is certainly unexpected.
8343 */
8344 while ((!stuff_empty() || typebuf.tb_len > 0) && vpeekc() == ':')
8345 (void)do_cmdline(NULL, getexline, NULL, DOCMD_NOWAIT|DOCMD_VERBOSE);
8346
8347 exec_from_reg = save_efr;
8348 }
8349 }
8350
8351 /*
8352 * ":!".
8353 */
8354 static void
8355 ex_bang(eap)
8356 exarg_T *eap;
8357 {
8358 do_bang(eap->addr_count, eap, eap->forceit, TRUE, TRUE);
8359 }
8360
8361 /*
8362 * ":undo".
8363 */
8364 /*ARGSUSED*/
8365 static void
8366 ex_undo(eap)
8367 exarg_T *eap;
8368 {
8369 if (eap->addr_count == 1) /* :undo 123 */
8370 undo_time(eap->line2, FALSE, TRUE);
8371 else
8372 u_undo(1);
8373 }
8374
8375 /*
8376 * ":redo".
8377 */
8378 /*ARGSUSED*/
8379 static void
8380 ex_redo(eap)
8381 exarg_T *eap;
8382 {
8383 u_redo(1);
8384 }
8385
8386 /*
8387 * ":earlier" and ":later".
8388 */
8389 /*ARGSUSED*/
8390 static void
8391 ex_later(eap)
8392 exarg_T *eap;
8393 {
8394 long count = 0;
8395 int sec = FALSE;
8396 char_u *p = eap->arg;
8397
8398 if (*p == NUL)
8399 count = 1;
8400 else if (isdigit(*p))
8401 {
8402 count = getdigits(&p);
8403 switch (*p)
8404 {
8405 case 's': ++p; sec = TRUE; break;
8406 case 'm': ++p; sec = TRUE; count *= 60; break;
8407 case 'h': ++p; sec = TRUE; count *= 60 * 60; break;
8408 }
8409 }
8410
8411 if (*p != NUL)
8412 EMSG2(_(e_invarg2), eap->arg);
8413 else
8414 undo_time(eap->cmdidx == CMD_earlier ? -count : count, sec, FALSE);
8415 }
8416
8417 /*
8418 * ":redir": start/stop redirection.
8419 */
8420 static void
8421 ex_redir(eap)
8422 exarg_T *eap;
8423 {
8424 char *mode;
8425 char_u *fname;
8426 char_u *arg = eap->arg;
8427
8428 if (STRICMP(eap->arg, "END") == 0)
8429 close_redir();
8430 else
8431 {
8432 if (*arg == '>')
8433 {
8434 ++arg;
8435 if (*arg == '>')
8436 {
8437 ++arg;
8438 mode = "a";
8439 }
8440 else
8441 mode = "w";
8442 arg = skipwhite(arg);
8443
8444 close_redir();
8445
8446 /* Expand environment variables and "~/". */
8447 fname = expand_env_save(arg);
8448 if (fname == NULL)
8449 return;
8450 #ifdef FEAT_BROWSE
8451 if (cmdmod.browse)
8452 {
8453 char_u *browseFile;
8454
8455 browseFile = do_browse(BROWSE_SAVE,
8456 (char_u *)_("Save Redirection"),
8457 fname, NULL, NULL, BROWSE_FILTER_ALL_FILES, curbuf);
8458 if (browseFile == NULL)
8459 return; /* operation cancelled */
8460 vim_free(fname);
8461 fname = browseFile;
8462 eap->forceit = TRUE; /* since dialog already asked */
8463 }
8464 #endif
8465
8466 redir_fd = open_exfile(fname, eap->forceit, mode);
8467 vim_free(fname);
8468 }
8469 #ifdef FEAT_EVAL
8470 else if (*arg == '@')
8471 {
8472 /* redirect to a register a-z (resp. A-Z for appending) */
8473 close_redir();
8474 ++arg;
8475 if (ASCII_ISALPHA(*arg)
8476 # ifdef FEAT_CLIPBOARD
8477 || *arg == '*'
8478 || *arg == '+'
8479 # endif
8480 || *arg == '"')
8481 {
8482 redir_reg = *arg++;
8483 if (*arg == '>' && arg[1] == '>') /* append */
8484 arg += 2;
8485 else
8486 {
8487 /* Can use both "@a" and "@a>". */
8488 if (*arg == '>')
8489 arg++;
8490 /* Make register empty when not using @A-@Z and the
8491 * command is valid. */
8492 if (*arg == NUL && !isupper(redir_reg))
8493 write_reg_contents(redir_reg, (char_u *)"", -1, FALSE);
8494 }
8495 }
8496 if (*arg != NUL)
8497 {
8498 redir_reg = 0;
8499 EMSG2(_(e_invarg2), eap->arg);
8500 }
8501 }
8502 else if (*arg == '=' && arg[1] == '>')
8503 {
8504 int append;
8505
8506 /* redirect to a variable */
8507 close_redir();
8508 arg += 2;
8509
8510 if (*arg == '>')
8511 {
8512 ++arg;
8513 append = TRUE;
8514 }
8515 else
8516 append = FALSE;
8517
8518 if (var_redir_start(skipwhite(arg), append) == OK)
8519 redir_vname = 1;
8520 }
8521 #endif
8522
8523 /* TODO: redirect to a buffer */
8524
8525 else
8526 EMSG2(_(e_invarg2), eap->arg);
8527 }
8528
8529 /* Make sure redirection is not off. Can happen for cmdline completion
8530 * that indirectly invokes a command to catch its output. */
8531 if (redir_fd != NULL
8532 #ifdef FEAT_EVAL
8533 || redir_reg || redir_vname
8534 #endif
8535 )
8536 redir_off = FALSE;
8537 }
8538
8539 /*
8540 * ":redraw": force redraw
8541 */
8542 static void
8543 ex_redraw(eap)
8544 exarg_T *eap;
8545 {
8546 int r = RedrawingDisabled;
8547 int p = p_lz;
8548
8549 RedrawingDisabled = 0;
8550 p_lz = FALSE;
8551 update_topline();
8552 update_screen(eap->forceit ? CLEAR :
8553 #ifdef FEAT_VISUAL
8554 VIsual_active ? INVERTED :
8555 #endif
8556 0);
8557 #ifdef FEAT_TITLE
8558 if (need_maketitle)
8559 maketitle();
8560 #endif
8561 RedrawingDisabled = r;
8562 p_lz = p;
8563
8564 /* Reset msg_didout, so that a message that's there is overwritten. */
8565 msg_didout = FALSE;
8566 msg_col = 0;
8567
8568 out_flush();
8569 }
8570
8571 /*
8572 * ":redrawstatus": force redraw of status line(s)
8573 */
8574 /*ARGSUSED*/
8575 static void
8576 ex_redrawstatus(eap)
8577 exarg_T *eap;
8578 {
8579 #if defined(FEAT_WINDOWS)
8580 int r = RedrawingDisabled;
8581 int p = p_lz;
8582
8583 RedrawingDisabled = 0;
8584 p_lz = FALSE;
8585 if (eap->forceit)
8586 status_redraw_all();
8587 else
8588 status_redraw_curbuf();
8589 update_screen(
8590 # ifdef FEAT_VISUAL
8591 VIsual_active ? INVERTED :
8592 # endif
8593 0);
8594 RedrawingDisabled = r;
8595 p_lz = p;
8596 out_flush();
8597 #endif
8598 }
8599
8600 static void
8601 close_redir()
8602 {
8603 if (redir_fd != NULL)
8604 {
8605 fclose(redir_fd);
8606 redir_fd = NULL;
8607 }
8608 #ifdef FEAT_EVAL
8609 redir_reg = 0;
8610 if (redir_vname)
8611 {
8612 var_redir_stop();
8613 redir_vname = 0;
8614 }
8615 #endif
8616 }
8617
8618 #if defined(FEAT_SESSION) && defined(USE_CRNL)
8619 # define MKSESSION_NL
8620 static int mksession_nl = FALSE; /* use NL only in put_eol() */
8621 #endif
8622
8623 /*
8624 * ":mkexrc", ":mkvimrc", ":mkview" and ":mksession".
8625 */
8626 static void
8627 ex_mkrc(eap)
8628 exarg_T *eap;
8629 {
8630 FILE *fd;
8631 int failed = FALSE;
8632 char_u *fname;
8633 #ifdef FEAT_BROWSE
8634 char_u *browseFile = NULL;
8635 #endif
8636 #ifdef FEAT_SESSION
8637 int view_session = FALSE;
8638 int using_vdir = FALSE; /* using 'viewdir'? */
8639 char_u *viewFile = NULL;
8640 unsigned *flagp;
8641 #endif
8642
8643 if (eap->cmdidx == CMD_mksession || eap->cmdidx == CMD_mkview)
8644 {
8645 #ifdef FEAT_SESSION
8646 view_session = TRUE;
8647 #else
8648 ex_ni(eap);
8649 return;
8650 #endif
8651 }
8652
8653 #ifdef FEAT_SESSION
8654 did_lcd = FALSE;
8655
8656 /* ":mkview" or ":mkview 9": generate file name with 'viewdir' */
8657 if (eap->cmdidx == CMD_mkview
8658 && (*eap->arg == NUL
8659 || (vim_isdigit(*eap->arg) && eap->arg[1] == NUL)))
8660 {
8661 eap->forceit = TRUE;
8662 fname = get_view_file(*eap->arg);
8663 if (fname == NULL)
8664 return;
8665 viewFile = fname;
8666 using_vdir = TRUE;
8667 }
8668 else
8669 #endif
8670 if (*eap->arg != NUL)
8671 fname = eap->arg;
8672 else if (eap->cmdidx == CMD_mkvimrc)
8673 fname = (char_u *)VIMRC_FILE;
8674 #ifdef FEAT_SESSION
8675 else if (eap->cmdidx == CMD_mksession)
8676 fname = (char_u *)SESSION_FILE;
8677 #endif
8678 else
8679 fname = (char_u *)EXRC_FILE;
8680
8681 #ifdef FEAT_BROWSE
8682 if (cmdmod.browse)
8683 {
8684 browseFile = do_browse(BROWSE_SAVE,
8685 # ifdef FEAT_SESSION
8686 eap->cmdidx == CMD_mkview ? (char_u *)_("Save View") :
8687 eap->cmdidx == CMD_mksession ? (char_u *)_("Save Session") :
8688 # endif
8689 (char_u *)_("Save Setup"),
8690 fname, (char_u *)"vim", NULL, BROWSE_FILTER_MACROS, NULL);
8691 if (browseFile == NULL)
8692 goto theend;
8693 fname = browseFile;
8694 eap->forceit = TRUE; /* since dialog already asked */
8695 }
8696 #endif
8697
8698 #if defined(FEAT_SESSION) && defined(vim_mkdir)
8699 /* When using 'viewdir' may have to create the directory. */
8700 if (using_vdir && !mch_isdir(p_vdir))
8701 vim_mkdir_emsg(p_vdir, 0755);
8702 #endif
8703
8704 fd = open_exfile(fname, eap->forceit, WRITEBIN);
8705 if (fd != NULL)
8706 {
8707 #ifdef FEAT_SESSION
8708 if (eap->cmdidx == CMD_mkview)
8709 flagp = &vop_flags;
8710 else
8711 flagp = &ssop_flags;
8712 #endif
8713
8714 #ifdef MKSESSION_NL
8715 /* "unix" in 'sessionoptions': use NL line separator */
8716 if (view_session && (*flagp & SSOP_UNIX))
8717 mksession_nl = TRUE;
8718 #endif
8719
8720 /* Write the version command for :mkvimrc */
8721 if (eap->cmdidx == CMD_mkvimrc)
8722 (void)put_line(fd, "version 6.0");
8723
8724 #ifdef FEAT_SESSION
8725 if (eap->cmdidx == CMD_mksession)
8726 {
8727 if (put_line(fd, "let SessionLoad = 1") == FAIL)
8728 failed = TRUE;
8729 }
8730
8731 if (eap->cmdidx != CMD_mkview)
8732 #endif
8733 {
8734 /* Write setting 'compatible' first, because it has side effects.
8735 * For that same reason only do it when needed. */
8736 if (p_cp)
8737 (void)put_line(fd, "if !&cp | set cp | endif");
8738 else
8739 (void)put_line(fd, "if &cp | set nocp | endif");
8740 }
8741
8742 #ifdef FEAT_SESSION
8743 if (!view_session
8744 || (eap->cmdidx == CMD_mksession
8745 && (*flagp & SSOP_OPTIONS)))
8746 #endif
8747 failed |= (makemap(fd, NULL) == FAIL
8748 || makeset(fd, OPT_GLOBAL, FALSE) == FAIL);
8749
8750 #ifdef FEAT_SESSION
8751 if (!failed && view_session)
8752 {
8753 if (put_line(fd, "let s:so_save = &so | let s:siso_save = &siso | set so=0 siso=0") == FAIL)
8754 failed = TRUE;
8755 if (eap->cmdidx == CMD_mksession)
8756 {
8757 char_u dirnow[MAXPATHL]; /* current directory */
8758
8759 /*
8760 * Change to session file's dir.
8761 */
8762 if (mch_dirname(dirnow, MAXPATHL) == FAIL
8763 || mch_chdir((char *)dirnow) != 0)
8764 *dirnow = NUL;
8765 if (*dirnow != NUL && (ssop_flags & SSOP_SESDIR))
8766 {
8767 if (vim_chdirfile(fname) == OK)
8768 shorten_fnames(TRUE);
8769 }
8770 else if (*dirnow != NUL
8771 && (ssop_flags & SSOP_CURDIR) && globaldir != NULL)
8772 {
8773 (void)mch_chdir((char *)globaldir);
8774 shorten_fnames(TRUE);
8775 }
8776
8777 failed |= (makeopens(fd, dirnow) == FAIL);
8778
8779 /* restore original dir */
8780 if (*dirnow != NUL && ((ssop_flags & SSOP_SESDIR)
8781 || ((ssop_flags & SSOP_CURDIR) && globaldir != NULL)))
8782 {
8783 if (mch_chdir((char *)dirnow) != 0)
8784 EMSG(_(e_prev_dir));
8785 shorten_fnames(TRUE);
8786 }
8787 }
8788 else
8789 {
8790 failed |= (put_view(fd, curwin, !using_vdir, flagp,
8791 -1) == FAIL);
8792 }
8793 if (put_line(fd, "let &so = s:so_save | let &siso = s:siso_save")
8794 == FAIL)
8795 failed = TRUE;
8796 if (put_line(fd, "doautoall SessionLoadPost") == FAIL)
8797 failed = TRUE;
8798 if (eap->cmdidx == CMD_mksession)
8799 {
8800 if (put_line(fd, "unlet SessionLoad") == FAIL)
8801 failed = TRUE;
8802 }
8803 }
8804 #endif
8805 if (put_line(fd, "\" vim: set ft=vim :") == FAIL)
8806 failed = TRUE;
8807
8808 failed |= fclose(fd);
8809
8810 if (failed)
8811 EMSG(_(e_write));
8812 #if defined(FEAT_EVAL) && defined(FEAT_SESSION)
8813 else if (eap->cmdidx == CMD_mksession)
8814 {
8815 /* successful session write - set this_session var */
8816 char_u tbuf[MAXPATHL];
8817
8818 if (vim_FullName(fname, tbuf, MAXPATHL, FALSE) == OK)
8819 set_vim_var_string(VV_THIS_SESSION, tbuf, -1);
8820 }
8821 #endif
8822 #ifdef MKSESSION_NL
8823 mksession_nl = FALSE;
8824 #endif
8825 }
8826
8827 #ifdef FEAT_BROWSE
8828 theend:
8829 vim_free(browseFile);
8830 #endif
8831 #ifdef FEAT_SESSION
8832 vim_free(viewFile);
8833 #endif
8834 }
8835
8836 #if ((defined(FEAT_SESSION) || defined(FEAT_EVAL)) && defined(vim_mkdir)) \
8837 || defined(PROTO)
8838 /*ARGSUSED*/
8839 int
8840 vim_mkdir_emsg(name, prot)
8841 char_u *name;
8842 int prot;
8843 {
8844 if (vim_mkdir(name, prot) != 0)
8845 {
8846 EMSG2(_("E739: Cannot create directory: %s"), name);
8847 return FAIL;
8848 }
8849 return OK;
8850 }
8851 #endif
8852
8853 /*
8854 * Open a file for writing for an Ex command, with some checks.
8855 * Return file descriptor, or NULL on failure.
8856 */
8857 FILE *
8858 open_exfile(fname, forceit, mode)
8859 char_u *fname;
8860 int forceit;
8861 char *mode; /* "w" for create new file or "a" for append */
8862 {
8863 FILE *fd;
8864
8865 #ifdef UNIX
8866 /* with Unix it is possible to open a directory */
8867 if (mch_isdir(fname))
8868 {
8869 EMSG2(_(e_isadir2), fname);
8870 return NULL;
8871 }
8872 #endif
8873 if (!forceit && *mode != 'a' && vim_fexists(fname))
8874 {
8875 EMSG2(_("E189: \"%s\" exists (add ! to override)"), fname);
8876 return NULL;
8877 }
8878
8879 if ((fd = mch_fopen((char *)fname, mode)) == NULL)
8880 EMSG2(_("E190: Cannot open \"%s\" for writing"), fname);
8881
8882 return fd;
8883 }
8884
8885 /*
8886 * ":mark" and ":k".
8887 */
8888 static void
8889 ex_mark(eap)
8890 exarg_T *eap;
8891 {
8892 pos_T pos;
8893
8894 if (*eap->arg == NUL) /* No argument? */
8895 EMSG(_(e_argreq));
8896 else if (eap->arg[1] != NUL) /* more than one character? */
8897 EMSG(_(e_trailing));
8898 else
8899 {
8900 pos = curwin->w_cursor; /* save curwin->w_cursor */
8901 curwin->w_cursor.lnum = eap->line2;
8902 beginline(BL_WHITE | BL_FIX);
8903 if (setmark(*eap->arg) == FAIL) /* set mark */
8904 EMSG(_("E191: Argument must be a letter or forward/backward quote"));
8905 curwin->w_cursor = pos; /* restore curwin->w_cursor */
8906 }
8907 }
8908
8909 /*
8910 * Update w_topline, w_leftcol and the cursor position.
8911 */
8912 void
8913 update_topline_cursor()
8914 {
8915 check_cursor(); /* put cursor on valid line */
8916 update_topline();
8917 if (!curwin->w_p_wrap)
8918 validate_cursor();
8919 update_curswant();
8920 }
8921
8922 #ifdef FEAT_EX_EXTRA
8923 /*
8924 * ":normal[!] {commands}": Execute normal mode commands.
8925 */
8926 static void
8927 ex_normal(eap)
8928 exarg_T *eap;
8929 {
8930 int save_msg_scroll = msg_scroll;
8931 int save_restart_edit = restart_edit;
8932 int save_msg_didout = msg_didout;
8933 int save_State = State;
8934 tasave_T tabuf;
8935 int save_insertmode = p_im;
8936 int save_finish_op = finish_op;
8937 int save_opcount = opcount;
8938 #ifdef FEAT_MBYTE
8939 char_u *arg = NULL;
8940 int l;
8941 char_u *p;
8942 #endif
8943
8944 if (ex_normal_lock > 0)
8945 {
8946 EMSG(_(e_secure));
8947 return;
8948 }
8949 if (ex_normal_busy >= p_mmd)
8950 {
8951 EMSG(_("E192: Recursive use of :normal too deep"));
8952 return;
8953 }
8954 ++ex_normal_busy;
8955
8956 msg_scroll = FALSE; /* no msg scrolling in Normal mode */
8957 restart_edit = 0; /* don't go to Insert mode */
8958 p_im = FALSE; /* don't use 'insertmode' */
8959
8960 #ifdef FEAT_MBYTE
8961 /*
8962 * vgetc() expects a CSI and K_SPECIAL to have been escaped. Don't do
8963 * this for the K_SPECIAL leading byte, otherwise special keys will not
8964 * work.
8965 */
8966 if (has_mbyte)
8967 {
8968 int len = 0;
8969
8970 /* Count the number of characters to be escaped. */
8971 for (p = eap->arg; *p != NUL; ++p)
8972 {
8973 # ifdef FEAT_GUI
8974 if (*p == CSI) /* leadbyte CSI */
8975 len += 2;
8976 # endif
8977 for (l = (*mb_ptr2len)(p) - 1; l > 0; --l)
8978 if (*++p == K_SPECIAL /* trailbyte K_SPECIAL or CSI */
8979 # ifdef FEAT_GUI
8980 || *p == CSI
8981 # endif
8982 )
8983 len += 2;
8984 }
8985 if (len > 0)
8986 {
8987 arg = alloc((unsigned)(STRLEN(eap->arg) + len + 1));
8988 if (arg != NULL)
8989 {
8990 len = 0;
8991 for (p = eap->arg; *p != NUL; ++p)
8992 {
8993 arg[len++] = *p;
8994 # ifdef FEAT_GUI
8995 if (*p == CSI)
8996 {
8997 arg[len++] = KS_EXTRA;
8998 arg[len++] = (int)KE_CSI;
8999 }
9000 # endif
9001 for (l = (*mb_ptr2len)(p) - 1; l > 0; --l)
9002 {
9003 arg[len++] = *++p;
9004 if (*p == K_SPECIAL)
9005 {
9006 arg[len++] = KS_SPECIAL;
9007 arg[len++] = KE_FILLER;
9008 }
9009 # ifdef FEAT_GUI
9010 else if (*p == CSI)
9011 {
9012 arg[len++] = KS_EXTRA;
9013 arg[len++] = (int)KE_CSI;
9014 }
9015 # endif
9016 }
9017 arg[len] = NUL;
9018 }
9019 }
9020 }
9021 }
9022 #endif
9023
9024 /*
9025 * Save the current typeahead. This is required to allow using ":normal"
9026 * from an event handler and makes sure we don't hang when the argument
9027 * ends with half a command.
9028 */
9029 save_typeahead(&tabuf);
9030 if (tabuf.typebuf_valid)
9031 {
9032 /*
9033 * Repeat the :normal command for each line in the range. When no
9034 * range given, execute it just once, without positioning the cursor
9035 * first.
9036 */
9037 do
9038 {
9039 if (eap->addr_count != 0)
9040 {
9041 curwin->w_cursor.lnum = eap->line1++;
9042 curwin->w_cursor.col = 0;
9043 }
9044
9045 exec_normal_cmd(
9046 #ifdef FEAT_MBYTE
9047 arg != NULL ? arg :
9048 #endif
9049 eap->arg, eap->forceit ? REMAP_NONE : REMAP_YES, FALSE);
9050 }
9051 while (eap->addr_count > 0 && eap->line1 <= eap->line2 && !got_int);
9052 }
9053
9054 /* Might not return to the main loop when in an event handler. */
9055 update_topline_cursor();
9056
9057 /* Restore the previous typeahead. */
9058 restore_typeahead(&tabuf);
9059
9060 --ex_normal_busy;
9061 msg_scroll = save_msg_scroll;
9062 restart_edit = save_restart_edit;
9063 p_im = save_insertmode;
9064 finish_op = save_finish_op;
9065 opcount = save_opcount;
9066 msg_didout |= save_msg_didout; /* don't reset msg_didout now */
9067
9068 /* Restore the state (needed when called from a function executed for
9069 * 'indentexpr'). */
9070 State = save_State;
9071 #ifdef FEAT_MBYTE
9072 vim_free(arg);
9073 #endif
9074 }
9075
9076 /*
9077 * ":startinsert", ":startreplace" and ":startgreplace"
9078 */
9079 static void
9080 ex_startinsert(eap)
9081 exarg_T *eap;
9082 {
9083 if (eap->forceit)
9084 {
9085 coladvance((colnr_T)MAXCOL);
9086 curwin->w_curswant = MAXCOL;
9087 curwin->w_set_curswant = FALSE;
9088 }
9089
9090 /* Ignore the command when already in Insert mode. Inserting an
9091 * expression register that invokes a function can do this. */
9092 if (State & INSERT)
9093 return;
9094
9095 if (eap->cmdidx == CMD_startinsert)
9096 restart_edit = 'a';
9097 else if (eap->cmdidx == CMD_startreplace)
9098 restart_edit = 'R';
9099 else
9100 restart_edit = 'V';
9101
9102 if (!eap->forceit)
9103 {
9104 if (eap->cmdidx == CMD_startinsert)
9105 restart_edit = 'i';
9106 curwin->w_curswant = 0; /* avoid MAXCOL */
9107 }
9108 }
9109
9110 /*
9111 * ":stopinsert"
9112 */
9113 /*ARGSUSED*/
9114 static void
9115 ex_stopinsert(eap)
9116 exarg_T *eap;
9117 {
9118 restart_edit = 0;
9119 stop_insert_mode = TRUE;
9120 }
9121 #endif
9122
9123 #if defined(FEAT_EX_EXTRA) || defined(FEAT_MENU) || defined(PROTO)
9124 /*
9125 * Execute normal mode command "cmd".
9126 * "remap" can be REMAP_NONE or REMAP_YES.
9127 */
9128 void
9129 exec_normal_cmd(cmd, remap, silent)
9130 char_u *cmd;
9131 int remap;
9132 int silent;
9133 {
9134 oparg_T oa;
9135
9136 /*
9137 * Stuff the argument into the typeahead buffer.
9138 * Execute normal_cmd() until there is no typeahead left.
9139 */
9140 clear_oparg(&oa);
9141 finish_op = FALSE;
9142 ins_typebuf(cmd, remap, 0, TRUE, silent);
9143 while ((!stuff_empty() || (!typebuf_typed() && typebuf.tb_len > 0))
9144 && !got_int)
9145 {
9146 update_topline_cursor();
9147 normal_cmd(&oa, FALSE); /* execute a Normal mode cmd */
9148 }
9149 }
9150 #endif
9151
9152 #ifdef FEAT_FIND_ID
9153 static void
9154 ex_checkpath(eap)
9155 exarg_T *eap;
9156 {
9157 find_pattern_in_path(NULL, 0, 0, FALSE, FALSE, CHECK_PATH, 1L,
9158 eap->forceit ? ACTION_SHOW_ALL : ACTION_SHOW,
9159 (linenr_T)1, (linenr_T)MAXLNUM);
9160 }
9161
9162 #if defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX)
9163 /*
9164 * ":psearch"
9165 */
9166 static void
9167 ex_psearch(eap)
9168 exarg_T *eap;
9169 {
9170 g_do_tagpreview = p_pvh;
9171 ex_findpat(eap);
9172 g_do_tagpreview = 0;
9173 }
9174 #endif
9175
9176 static void
9177 ex_findpat(eap)
9178 exarg_T *eap;
9179 {
9180 int whole = TRUE;
9181 long n;
9182 char_u *p;
9183 int action;
9184
9185 switch (cmdnames[eap->cmdidx].cmd_name[2])
9186 {
9187 case 'e': /* ":psearch", ":isearch" and ":dsearch" */
9188 if (cmdnames[eap->cmdidx].cmd_name[0] == 'p')
9189 action = ACTION_GOTO;
9190 else
9191 action = ACTION_SHOW;
9192 break;
9193 case 'i': /* ":ilist" and ":dlist" */
9194 action = ACTION_SHOW_ALL;
9195 break;
9196 case 'u': /* ":ijump" and ":djump" */
9197 action = ACTION_GOTO;
9198 break;
9199 default: /* ":isplit" and ":dsplit" */
9200 action = ACTION_SPLIT;
9201 break;
9202 }
9203
9204 n = 1;
9205 if (vim_isdigit(*eap->arg)) /* get count */
9206 {
9207 n = getdigits(&eap->arg);
9208 eap->arg = skipwhite(eap->arg);
9209 }
9210 if (*eap->arg == '/') /* Match regexp, not just whole words */
9211 {
9212 whole = FALSE;
9213 ++eap->arg;
9214 p = skip_regexp(eap->arg, '/', p_magic, NULL);
9215 if (*p)
9216 {
9217 *p++ = NUL;
9218 p = skipwhite(p);
9219
9220 /* Check for trailing illegal characters */
9221 if (!ends_excmd(*p))
9222 eap->errmsg = e_trailing;
9223 else
9224 eap->nextcmd = check_nextcmd(p);
9225 }
9226 }
9227 if (!eap->skip)
9228 find_pattern_in_path(eap->arg, 0, (int)STRLEN(eap->arg),
9229 whole, !eap->forceit,
9230 *eap->cmd == 'd' ? FIND_DEFINE : FIND_ANY,
9231 n, action, eap->line1, eap->line2);
9232 }
9233 #endif
9234
9235 #ifdef FEAT_WINDOWS
9236
9237 # ifdef FEAT_QUICKFIX
9238 /*
9239 * ":ptag", ":ptselect", ":ptjump", ":ptnext", etc.
9240 */
9241 static void
9242 ex_ptag(eap)
9243 exarg_T *eap;
9244 {
9245 g_do_tagpreview = p_pvh;
9246 ex_tag_cmd(eap, cmdnames[eap->cmdidx].cmd_name + 1);
9247 }
9248
9249 /*
9250 * ":pedit"
9251 */
9252 static void
9253 ex_pedit(eap)
9254 exarg_T *eap;
9255 {
9256 win_T *curwin_save = curwin;
9257
9258 g_do_tagpreview = p_pvh;
9259 prepare_tagpreview(TRUE);
9260 keep_help_flag = curwin_save->w_buffer->b_help;
9261 do_exedit(eap, NULL);
9262 keep_help_flag = FALSE;
9263 if (curwin != curwin_save && win_valid(curwin_save))
9264 {
9265 /* Return cursor to where we were */
9266 validate_cursor();
9267 redraw_later(VALID);
9268 win_enter(curwin_save, TRUE);
9269 }
9270 g_do_tagpreview = 0;
9271 }
9272 # endif
9273
9274 /*
9275 * ":stag", ":stselect" and ":stjump".
9276 */
9277 static void
9278 ex_stag(eap)
9279 exarg_T *eap;
9280 {
9281 postponed_split = -1;
9282 postponed_split_flags = cmdmod.split;
9283 postponed_split_tab = cmdmod.tab;
9284 ex_tag_cmd(eap, cmdnames[eap->cmdidx].cmd_name + 1);
9285 postponed_split_flags = 0;
9286 postponed_split_tab = 0;
9287 }
9288 #endif
9289
9290 /*
9291 * ":tag", ":tselect", ":tjump", ":tnext", etc.
9292 */
9293 static void
9294 ex_tag(eap)
9295 exarg_T *eap;
9296 {
9297 ex_tag_cmd(eap, cmdnames[eap->cmdidx].cmd_name);
9298 }
9299
9300 static void
9301 ex_tag_cmd(eap, name)
9302 exarg_T *eap;
9303 char_u *name;
9304 {
9305 int cmd;
9306
9307 switch (name[1])
9308 {
9309 case 'j': cmd = DT_JUMP; /* ":tjump" */
9310 break;
9311 case 's': cmd = DT_SELECT; /* ":tselect" */
9312 break;
9313 case 'p': cmd = DT_PREV; /* ":tprevious" */
9314 break;
9315 case 'N': cmd = DT_PREV; /* ":tNext" */
9316 break;
9317 case 'n': cmd = DT_NEXT; /* ":tnext" */
9318 break;
9319 case 'o': cmd = DT_POP; /* ":pop" */
9320 break;
9321 case 'f': /* ":tfirst" */
9322 case 'r': cmd = DT_FIRST; /* ":trewind" */
9323 break;
9324 case 'l': cmd = DT_LAST; /* ":tlast" */
9325 break;
9326 default: /* ":tag" */
9327 #ifdef FEAT_CSCOPE
9328 if (p_cst && *eap->arg != NUL)
9329 {
9330 do_cstag(eap);
9331 return;
9332 }
9333 #endif
9334 cmd = DT_TAG;
9335 break;
9336 }
9337
9338 if (name[0] == 'l')
9339 {
9340 #ifndef FEAT_QUICKFIX
9341 ex_ni(eap);
9342 return;
9343 #else
9344 cmd = DT_LTAG;
9345 #endif
9346 }
9347
9348 do_tag(eap->arg, cmd, eap->addr_count > 0 ? (int)eap->line2 : 1,
9349 eap->forceit, TRUE);
9350 }
9351
9352 /*
9353 * Check "str" for starting with a special cmdline variable.
9354 * If found return one of the SPEC_ values and set "*usedlen" to the length of
9355 * the variable. Otherwise return -1 and "*usedlen" is unchanged.
9356 */
9357 int
9358 find_cmdline_var(src, usedlen)
9359 char_u *src;
9360 int *usedlen;
9361 {
9362 int len;
9363 int i;
9364 static char *(spec_str[]) = {
9365 "%",
9366 #define SPEC_PERC 0
9367 "#",
9368 #define SPEC_HASH 1
9369 "<cword>", /* cursor word */
9370 #define SPEC_CWORD 2
9371 "<cWORD>", /* cursor WORD */
9372 #define SPEC_CCWORD 3
9373 "<cfile>", /* cursor path name */
9374 #define SPEC_CFILE 4
9375 "<sfile>", /* ":so" file name */
9376 #define SPEC_SFILE 5
9377 #ifdef FEAT_AUTOCMD
9378 "<afile>", /* autocommand file name */
9379 # define SPEC_AFILE 6
9380 "<abuf>", /* autocommand buffer number */
9381 # define SPEC_ABUF 7
9382 "<amatch>", /* autocommand match name */
9383 # define SPEC_AMATCH 8
9384 #endif
9385 #ifdef FEAT_CLIENTSERVER
9386 "<client>"
9387 # define SPEC_CLIENT 9
9388 #endif
9389 };
9390 #define SPEC_COUNT (sizeof(spec_str) / sizeof(char *))
9391
9392 for (i = 0; i < SPEC_COUNT; ++i)
9393 {
9394 len = (int)STRLEN(spec_str[i]);
9395 if (STRNCMP(src, spec_str[i], len) == 0)
9396 {
9397 *usedlen = len;
9398 return i;
9399 }
9400 }
9401 return -1;
9402 }
9403
9404 /*
9405 * Evaluate cmdline variables.
9406 *
9407 * change '%' to curbuf->b_ffname
9408 * '#' to curwin->w_altfile
9409 * '<cword>' to word under the cursor
9410 * '<cWORD>' to WORD under the cursor
9411 * '<cfile>' to path name under the cursor
9412 * '<sfile>' to sourced file name
9413 * '<afile>' to file name for autocommand
9414 * '<abuf>' to buffer number for autocommand
9415 * '<amatch>' to matching name for autocommand
9416 *
9417 * When an error is detected, "errormsg" is set to a non-NULL pointer (may be
9418 * "" for error without a message) and NULL is returned.
9419 * Returns an allocated string if a valid match was found.
9420 * Returns NULL if no match was found. "usedlen" then still contains the
9421 * number of characters to skip.
9422 */
9423 char_u *
9424 eval_vars(src, srcstart, usedlen, lnump, errormsg, escaped)
9425 char_u *src; /* pointer into commandline */
9426 char_u *srcstart; /* beginning of valid memory for src */
9427 int *usedlen; /* characters after src that are used */
9428 linenr_T *lnump; /* line number for :e command, or NULL */
9429 char_u **errormsg; /* pointer to error message */
9430 int *escaped; /* return value has escaped white space (can
9431 * be NULL) */
9432 {
9433 int i;
9434 char_u *s;
9435 char_u *result;
9436 char_u *resultbuf = NULL;
9437 int resultlen;
9438 buf_T *buf;
9439 int valid = VALID_HEAD + VALID_PATH; /* assume valid result */
9440 int spec_idx;
9441 #ifdef FEAT_MODIFY_FNAME
9442 int skip_mod = FALSE;
9443 #endif
9444
9445 #if defined(FEAT_AUTOCMD) || defined(FEAT_CLIENTSERVER)
9446 char_u strbuf[30];
9447 #endif
9448
9449 *errormsg = NULL;
9450 if (escaped != NULL)
9451 *escaped = FALSE;
9452
9453 /*
9454 * Check if there is something to do.
9455 */
9456 spec_idx = find_cmdline_var(src, usedlen);
9457 if (spec_idx < 0) /* no match */
9458 {
9459 *usedlen = 1;
9460 return NULL;
9461 }
9462
9463 /*
9464 * Skip when preceded with a backslash "\%" and "\#".
9465 * Note: In "\\%" the % is also not recognized!
9466 */
9467 if (src > srcstart && src[-1] == '\\')
9468 {
9469 *usedlen = 0;
9470 STRMOVE(src - 1, src); /* remove backslash */
9471 return NULL;
9472 }
9473
9474 /*
9475 * word or WORD under cursor
9476 */
9477 if (spec_idx == SPEC_CWORD || spec_idx == SPEC_CCWORD)
9478 {
9479 resultlen = find_ident_under_cursor(&result, spec_idx == SPEC_CWORD ?
9480 (FIND_IDENT|FIND_STRING) : FIND_STRING);
9481 if (resultlen == 0)
9482 {
9483 *errormsg = (char_u *)"";
9484 return NULL;
9485 }
9486 }
9487
9488 /*
9489 * '#': Alternate file name
9490 * '%': Current file name
9491 * File name under the cursor
9492 * File name for autocommand
9493 * and following modifiers
9494 */
9495 else
9496 {
9497 switch (spec_idx)
9498 {
9499 case SPEC_PERC: /* '%': current file */
9500 if (curbuf->b_fname == NULL)
9501 {
9502 result = (char_u *)"";
9503 valid = 0; /* Must have ":p:h" to be valid */
9504 }
9505 else
9506 #ifdef RISCOS
9507 /* Always use the full path for RISC OS if possible. */
9508 result = curbuf->b_ffname;
9509 if (result == NULL)
9510 result = curbuf->b_fname;
9511 #else
9512 result = curbuf->b_fname;
9513 #endif
9514 break;
9515
9516 case SPEC_HASH: /* '#' or "#99": alternate file */
9517 if (src[1] == '#') /* "##": the argument list */
9518 {
9519 result = arg_all();
9520 resultbuf = result;
9521 *usedlen = 2;
9522 if (escaped != NULL)
9523 *escaped = TRUE;
9524 #ifdef FEAT_MODIFY_FNAME
9525 skip_mod = TRUE;
9526 #endif
9527 break;
9528 }
9529 s = src + 1;
9530 i = (int)getdigits(&s);
9531 *usedlen = (int)(s - src); /* length of what we expand */
9532
9533 buf = buflist_findnr(i);
9534 if (buf == NULL)
9535 {
9536 *errormsg = (char_u *)_("E194: No alternate file name to substitute for '#'");
9537 return NULL;
9538 }
9539 if (lnump != NULL)
9540 *lnump = ECMD_LAST;
9541 if (buf->b_fname == NULL)
9542 {
9543 result = (char_u *)"";
9544 valid = 0; /* Must have ":p:h" to be valid */
9545 }
9546 else
9547 result = buf->b_fname;
9548 break;
9549
9550 #ifdef FEAT_SEARCHPATH
9551 case SPEC_CFILE: /* file name under cursor */
9552 result = file_name_at_cursor(FNAME_MESS|FNAME_HYP, 1L, NULL);
9553 if (result == NULL)
9554 {
9555 *errormsg = (char_u *)"";
9556 return NULL;
9557 }
9558 resultbuf = result; /* remember allocated string */
9559 break;
9560 #endif
9561
9562 #ifdef FEAT_AUTOCMD
9563 case SPEC_AFILE: /* file name for autocommand */
9564 result = autocmd_fname;
9565 if (result != NULL && !autocmd_fname_full)
9566 {
9567 /* Still need to turn the fname into a full path. It is
9568 * postponed to avoid a delay when <afile> is not used. */
9569 autocmd_fname_full = TRUE;
9570 result = FullName_save(autocmd_fname, FALSE);
9571 vim_free(autocmd_fname);
9572 autocmd_fname = result;
9573 }
9574 if (result == NULL)
9575 {
9576 *errormsg = (char_u *)_("E495: no autocommand file name to substitute for \"<afile>\"");
9577 return NULL;
9578 }
9579 result = shorten_fname1(result);
9580 break;
9581
9582 case SPEC_ABUF: /* buffer number for autocommand */
9583 if (autocmd_bufnr <= 0)
9584 {
9585 *errormsg = (char_u *)_("E496: no autocommand buffer number to substitute for \"<abuf>\"");
9586 return NULL;
9587 }
9588 sprintf((char *)strbuf, "%d", autocmd_bufnr);
9589 result = strbuf;
9590 break;
9591
9592 case SPEC_AMATCH: /* match name for autocommand */
9593 result = autocmd_match;
9594 if (result == NULL)
9595 {
9596 *errormsg = (char_u *)_("E497: no autocommand match name to substitute for \"<amatch>\"");
9597 return NULL;
9598 }
9599 break;
9600
9601 #endif
9602 case SPEC_SFILE: /* file name for ":so" command */
9603 result = sourcing_name;
9604 if (result == NULL)
9605 {
9606 *errormsg = (char_u *)_("E498: no :source file name to substitute for \"<sfile>\"");
9607 return NULL;
9608 }
9609 break;
9610 #if defined(FEAT_CLIENTSERVER)
9611 case SPEC_CLIENT: /* Source of last submitted input */
9612 sprintf((char *)strbuf, PRINTF_HEX_LONG_U,
9613 (long_u)clientWindow);
9614 result = strbuf;
9615 break;
9616 #endif
9617 }
9618
9619 resultlen = (int)STRLEN(result); /* length of new string */
9620 if (src[*usedlen] == '<') /* remove the file name extension */
9621 {
9622 ++*usedlen;
9623 #ifdef RISCOS
9624 if ((s = vim_strrchr(result, '/')) != NULL && s >= gettail(result))
9625 #else
9626 if ((s = vim_strrchr(result, '.')) != NULL && s >= gettail(result))
9627 #endif
9628 resultlen = (int)(s - result);
9629 }
9630 #ifdef FEAT_MODIFY_FNAME
9631 else if (!skip_mod)
9632 {
9633 valid |= modify_fname(src, usedlen, &result, &resultbuf,
9634 &resultlen);
9635 if (result == NULL)
9636 {
9637 *errormsg = (char_u *)"";
9638 return NULL;
9639 }
9640 }
9641 #endif
9642 }
9643
9644 if (resultlen == 0 || valid != VALID_HEAD + VALID_PATH)
9645 {
9646 if (valid != VALID_HEAD + VALID_PATH)
9647 /* xgettext:no-c-format */
9648 *errormsg = (char_u *)_("E499: Empty file name for '%' or '#', only works with \":p:h\"");
9649 else
9650 *errormsg = (char_u *)_("E500: Evaluates to an empty string");
9651 result = NULL;
9652 }
9653 else
9654 result = vim_strnsave(result, resultlen);
9655 vim_free(resultbuf);
9656 return result;
9657 }
9658
9659 /*
9660 * Concatenate all files in the argument list, separated by spaces, and return
9661 * it in one allocated string.
9662 * Spaces and backslashes in the file names are escaped with a backslash.
9663 * Returns NULL when out of memory.
9664 */
9665 static char_u *
9666 arg_all()
9667 {
9668 int len;
9669 int idx;
9670 char_u *retval = NULL;
9671 char_u *p;
9672
9673 /*
9674 * Do this loop two times:
9675 * first time: compute the total length
9676 * second time: concatenate the names
9677 */
9678 for (;;)
9679 {
9680 len = 0;
9681 for (idx = 0; idx < ARGCOUNT; ++idx)
9682 {
9683 p = alist_name(&ARGLIST[idx]);
9684 if (p != NULL)
9685 {
9686 if (len > 0)
9687 {
9688 /* insert a space in between names */
9689 if (retval != NULL)
9690 retval[len] = ' ';
9691 ++len;
9692 }
9693 for ( ; *p != NUL; ++p)
9694 {
9695 if (*p == ' ' || *p == '\\')
9696 {
9697 /* insert a backslash */
9698 if (retval != NULL)
9699 retval[len] = '\\';
9700 ++len;
9701 }
9702 if (retval != NULL)
9703 retval[len] = *p;
9704 ++len;
9705 }
9706 }
9707 }
9708
9709 /* second time: break here */
9710 if (retval != NULL)
9711 {
9712 retval[len] = NUL;
9713 break;
9714 }
9715
9716 /* allocate memory */
9717 retval = alloc(len + 1);
9718 if (retval == NULL)
9719 break;
9720 }
9721
9722 return retval;
9723 }
9724
9725 #if defined(FEAT_AUTOCMD) || defined(PROTO)
9726 /*
9727 * Expand the <sfile> string in "arg".
9728 *
9729 * Returns an allocated string, or NULL for any error.
9730 */
9731 char_u *
9732 expand_sfile(arg)
9733 char_u *arg;
9734 {
9735 char_u *errormsg;
9736 int len;
9737 char_u *result;
9738 char_u *newres;
9739 char_u *repl;
9740 int srclen;
9741 char_u *p;
9742
9743 result = vim_strsave(arg);
9744 if (result == NULL)
9745 return NULL;
9746
9747 for (p = result; *p; )
9748 {
9749 if (STRNCMP(p, "<sfile>", 7) != 0)
9750 ++p;
9751 else
9752 {
9753 /* replace "<sfile>" with the sourced file name, and do ":" stuff */
9754 repl = eval_vars(p, result, &srclen, NULL, &errormsg, NULL);
9755 if (errormsg != NULL)
9756 {
9757 if (*errormsg)
9758 emsg(errormsg);
9759 vim_free(result);
9760 return NULL;
9761 }
9762 if (repl == NULL) /* no match (cannot happen) */
9763 {
9764 p += srclen;
9765 continue;
9766 }
9767 len = (int)STRLEN(result) - srclen + (int)STRLEN(repl) + 1;
9768 newres = alloc(len);
9769 if (newres == NULL)
9770 {
9771 vim_free(repl);
9772 vim_free(result);
9773 return NULL;
9774 }
9775 mch_memmove(newres, result, (size_t)(p - result));
9776 STRCPY(newres + (p - result), repl);
9777 len = (int)STRLEN(newres);
9778 STRCAT(newres, p + srclen);
9779 vim_free(repl);
9780 vim_free(result);
9781 result = newres;
9782 p = newres + len; /* continue after the match */
9783 }
9784 }
9785
9786 return result;
9787 }
9788 #endif
9789
9790 #ifdef FEAT_SESSION
9791 static int ses_winsizes __ARGS((FILE *fd, int restore_size,
9792 win_T *tab_firstwin));
9793 static int ses_win_rec __ARGS((FILE *fd, frame_T *fr));
9794 static frame_T *ses_skipframe __ARGS((frame_T *fr));
9795 static int ses_do_frame __ARGS((frame_T *fr));
9796 static int ses_do_win __ARGS((win_T *wp));
9797 static int ses_arglist __ARGS((FILE *fd, char *cmd, garray_T *gap, int fullname, unsigned *flagp));
9798 static int ses_put_fname __ARGS((FILE *fd, char_u *name, unsigned *flagp));
9799 static int ses_fname __ARGS((FILE *fd, buf_T *buf, unsigned *flagp));
9800
9801 /*
9802 * Write openfile commands for the current buffers to an .exrc file.
9803 * Return FAIL on error, OK otherwise.
9804 */
9805 static int
9806 makeopens(fd, dirnow)
9807 FILE *fd;
9808 char_u *dirnow; /* Current directory name */
9809 {
9810 buf_T *buf;
9811 int only_save_windows = TRUE;
9812 int nr;
9813 int cnr = 1;
9814 int restore_size = TRUE;
9815 win_T *wp;
9816 char_u *sname;
9817 win_T *edited_win = NULL;
9818 int tabnr;
9819 win_T *tab_firstwin;
9820 frame_T *tab_topframe;
9821 int cur_arg_idx = 0;
9822 int next_arg_idx = 0;
9823
9824 if (ssop_flags & SSOP_BUFFERS)
9825 only_save_windows = FALSE; /* Save ALL buffers */
9826
9827 /*
9828 * Begin by setting the this_session variable, and then other
9829 * sessionable variables.
9830 */
9831 #ifdef FEAT_EVAL
9832 if (put_line(fd, "let v:this_session=expand(\"<sfile>:p\")") == FAIL)
9833 return FAIL;
9834 if (ssop_flags & SSOP_GLOBALS)
9835 if (store_session_globals(fd) == FAIL)
9836 return FAIL;
9837 #endif
9838
9839 /*
9840 * Close all windows but one.
9841 */
9842 if (put_line(fd, "silent only") == FAIL)
9843 return FAIL;
9844
9845 /*
9846 * Now a :cd command to the session directory or the current directory
9847 */
9848 if (ssop_flags & SSOP_SESDIR)
9849 {
9850 if (put_line(fd, "exe \"cd \" . escape(expand(\"<sfile>:p:h\"), ' ')")
9851 == FAIL)
9852 return FAIL;
9853 }
9854 else if (ssop_flags & SSOP_CURDIR)
9855 {
9856 sname = home_replace_save(NULL, globaldir != NULL ? globaldir : dirnow);
9857 if (sname == NULL
9858 || fputs("cd ", fd) < 0
9859 || ses_put_fname(fd, sname, &ssop_flags) == FAIL
9860 || put_eol(fd) == FAIL)
9861 {
9862 vim_free(sname);
9863 return FAIL;
9864 }
9865 vim_free(sname);
9866 }
9867
9868 /*
9869 * If there is an empty, unnamed buffer we will wipe it out later.
9870 * Remember the buffer number.
9871 */
9872 if (put_line(fd, "if expand('%') == '' && !&modified && line('$') <= 1 && getline(1) == ''") == FAIL)
9873 return FAIL;
9874 if (put_line(fd, " let s:wipebuf = bufnr('%')") == FAIL)
9875 return FAIL;
9876 if (put_line(fd, "endif") == FAIL)
9877 return FAIL;
9878
9879 /*
9880 * Now save the current files, current buffer first.
9881 */
9882 if (put_line(fd, "set shortmess=aoO") == FAIL)
9883 return FAIL;
9884
9885 /* Now put the other buffers into the buffer list */
9886 for (buf = firstbuf; buf != NULL; buf = buf->b_next)
9887 {
9888 if (!(only_save_windows && buf->b_nwindows == 0)
9889 && !(buf->b_help && !(ssop_flags & SSOP_HELP))
9890 && buf->b_fname != NULL
9891 && buf->b_p_bl)
9892 {
9893 if (fprintf(fd, "badd +%ld ", buf->b_wininfo == NULL ? 1L
9894 : buf->b_wininfo->wi_fpos.lnum) < 0
9895 || ses_fname(fd, buf, &ssop_flags) == FAIL)
9896 return FAIL;
9897 }
9898 }
9899
9900 /* the global argument list */
9901 if (ses_arglist(fd, "args", &global_alist.al_ga,
9902 !(ssop_flags & SSOP_CURDIR), &ssop_flags) == FAIL)
9903 return FAIL;
9904
9905 if (ssop_flags & SSOP_RESIZE)
9906 {
9907 /* Note: after the restore we still check it worked!*/
9908 if (fprintf(fd, "set lines=%ld columns=%ld" , Rows, Columns) < 0
9909 || put_eol(fd) == FAIL)
9910 return FAIL;
9911 #ifdef FEAT_FULLSCREEN
9912 /* fullscreen needs to be set after lines and columns */
9913 if (p_fullscreen)
9914 {
9915 if (fprintf(fd, "set fullscreen") < 0 || put_eol(fd) == FAIL)
9916 return FAIL;
9917 }
9918 #endif
9919 }
9920
9921 #ifdef FEAT_GUI
9922 if (gui.in_use && (ssop_flags & SSOP_WINPOS))
9923 {
9924 int x, y;
9925
9926 if (gui_mch_get_winpos(&x, &y) == OK)
9927 {
9928 /* Note: after the restore we still check it worked!*/
9929 if (fprintf(fd, "winpos %d %d", x, y) < 0 || put_eol(fd) == FAIL)
9930 return FAIL;
9931 }
9932 }
9933 #endif
9934
9935 /*
9936 * May repeat putting Windows for each tab, when "tabpages" is in
9937 * 'sessionoptions'.
9938 * Don't use goto_tabpage(), it may change directory and trigger
9939 * autocommands.
9940 */
9941 tab_firstwin = firstwin; /* first window in tab page "tabnr" */
9942 tab_topframe = topframe;
9943 for (tabnr = 1; ; ++tabnr)
9944 {
9945 int need_tabnew = FALSE;
9946
9947 if ((ssop_flags & SSOP_TABPAGES))
9948 {
9949 tabpage_T *tp = find_tabpage(tabnr);
9950
9951 if (tp == NULL)
9952 break; /* done all tab pages */
9953 if (tp == curtab)
9954 {
9955 tab_firstwin = firstwin;
9956 tab_topframe = topframe;
9957 }
9958 else
9959 {
9960 tab_firstwin = tp->tp_firstwin;
9961 tab_topframe = tp->tp_topframe;
9962 }
9963 if (tabnr > 1)
9964 need_tabnew = TRUE;
9965 }
9966
9967 /*
9968 * Before creating the window layout, try loading one file. If this
9969 * is aborted we don't end up with a number of useless windows.
9970 * This may have side effects! (e.g., compressed or network file).
9971 */
9972 for (wp = tab_firstwin; wp != NULL; wp = wp->w_next)
9973 {
9974 if (ses_do_win(wp)
9975 && wp->w_buffer->b_ffname != NULL
9976 && !wp->w_buffer->b_help
9977 #ifdef FEAT_QUICKFIX
9978 && !bt_nofile(wp->w_buffer)
9979 #endif
9980 )
9981 {
9982 if (fputs(need_tabnew ? "tabedit " : "edit ", fd) < 0
9983 || ses_fname(fd, wp->w_buffer, &ssop_flags) == FAIL)
9984 return FAIL;
9985 need_tabnew = FALSE;
9986 if (!wp->w_arg_idx_invalid)
9987 edited_win = wp;
9988 break;
9989 }
9990 }
9991
9992 /* If no file got edited create an empty tab page. */
9993 if (need_tabnew && put_line(fd, "tabnew") == FAIL)
9994 return FAIL;
9995
9996 /*
9997 * Save current window layout.
9998 */
9999 if (put_line(fd, "set splitbelow splitright") == FAIL)
10000 return FAIL;
10001 if (ses_win_rec(fd, tab_topframe) == FAIL)
10002 return FAIL;
10003 if (!p_sb && put_line(fd, "set nosplitbelow") == FAIL)
10004 return FAIL;
10005 if (!p_spr && put_line(fd, "set nosplitright") == FAIL)
10006 return FAIL;
10007
10008 /*
10009 * Check if window sizes can be restored (no windows omitted).
10010 * Remember the window number of the current window after restoring.
10011 */
10012 nr = 0;
10013 for (wp = tab_firstwin; wp != NULL; wp = W_NEXT(wp))
10014 {
10015 if (ses_do_win(wp))
10016 ++nr;
10017 else
10018 restore_size = FALSE;
10019 if (curwin == wp)
10020 cnr = nr;
10021 }
10022
10023 /* Go to the first window. */
10024 if (put_line(fd, "wincmd t") == FAIL)
10025 return FAIL;
10026
10027 /*
10028 * If more than one window, see if sizes can be restored.
10029 * First set 'winheight' and 'winwidth' to 1 to avoid the windows being
10030 * resized when moving between windows.
10031 * Do this before restoring the view, so that the topline and the
10032 * cursor can be set. This is done again below.
10033 */
10034 if (put_line(fd, "set winheight=1 winwidth=1") == FAIL)
10035 return FAIL;
10036 if (nr > 1 && ses_winsizes(fd, restore_size, tab_firstwin) == FAIL)
10037 return FAIL;
10038
10039 /*
10040 * Restore the view of the window (options, file, cursor, etc.).
10041 */
10042 for (wp = tab_firstwin; wp != NULL; wp = wp->w_next)
10043 {
10044 if (!ses_do_win(wp))
10045 continue;
10046 if (put_view(fd, wp, wp != edited_win, &ssop_flags,
10047 cur_arg_idx) == FAIL)
10048 return FAIL;
10049 if (nr > 1 && put_line(fd, "wincmd w") == FAIL)
10050 return FAIL;
10051 next_arg_idx = wp->w_arg_idx;
10052 }
10053
10054 /* The argument index in the first tab page is zero, need to set it in
10055 * each window. For further tab pages it's the window where we do
10056 * "tabedit". */
10057 cur_arg_idx = next_arg_idx;
10058
10059 /*
10060 * Restore cursor to the current window if it's not the first one.
10061 */
10062 if (cnr > 1 && (fprintf(fd, "%dwincmd w", cnr) < 0
10063 || put_eol(fd) == FAIL))
10064 return FAIL;
10065
10066 /*
10067 * Restore window sizes again after jumping around in windows, because
10068 * the current window has a minimum size while others may not.
10069 */
10070 if (nr > 1 && ses_winsizes(fd, restore_size, tab_firstwin) == FAIL)
10071 return FAIL;
10072
10073 /* Don't continue in another tab page when doing only the current one
10074 * or when at the last tab page. */
10075 if (!(ssop_flags & SSOP_TABPAGES))
10076 break;
10077 }
10078
10079 if (ssop_flags & SSOP_TABPAGES)
10080 {
10081 if (fprintf(fd, "tabnext %d", tabpage_index(curtab)) < 0
10082 || put_eol(fd) == FAIL)
10083 return FAIL;
10084 }
10085
10086 /*
10087 * Wipe out an empty unnamed buffer we started in.
10088 */
10089 if (put_line(fd, "if exists('s:wipebuf')") == FAIL)
10090 return FAIL;
10091 if (put_line(fd, " silent exe 'bwipe ' . s:wipebuf") == FAIL)
10092 return FAIL;
10093 if (put_line(fd, "endif") == FAIL)
10094 return FAIL;
10095 if (put_line(fd, "unlet! s:wipebuf") == FAIL)
10096 return FAIL;
10097
10098 /* Re-apply 'winheight', 'winwidth' and 'shortmess'. */
10099 if (fprintf(fd, "set winheight=%ld winwidth=%ld shortmess=%s",
10100 p_wh, p_wiw, p_shm) < 0 || put_eol(fd) == FAIL)
10101 return FAIL;
10102
10103 /*
10104 * Lastly, execute the x.vim file if it exists.
10105 */
10106 if (put_line(fd, "let s:sx = expand(\"<sfile>:p:r\").\"x.vim\"") == FAIL
10107 || put_line(fd, "if file_readable(s:sx)") == FAIL
10108 || put_line(fd, " exe \"source \" . s:sx") == FAIL
10109 || put_line(fd, "endif") == FAIL)
10110 return FAIL;
10111
10112 return OK;
10113 }
10114
10115 static int
10116 ses_winsizes(fd, restore_size, tab_firstwin)
10117 FILE *fd;
10118 int restore_size;
10119 win_T *tab_firstwin;
10120 {
10121 int n = 0;
10122 win_T *wp;
10123
10124 if (restore_size && (ssop_flags & SSOP_WINSIZE))
10125 {
10126 for (wp = tab_firstwin; wp != NULL; wp = wp->w_next)
10127 {
10128 if (!ses_do_win(wp))
10129 continue;
10130 ++n;
10131
10132 /* restore height when not full height */
10133 if (wp->w_height + wp->w_status_height < topframe->fr_height
10134 && (fprintf(fd,
10135 "exe '%dresize ' . ((&lines * %ld + %ld) / %ld)",
10136 n, (long)wp->w_height, Rows / 2, Rows) < 0
10137 || put_eol(fd) == FAIL))
10138 return FAIL;
10139
10140 /* restore width when not full width */
10141 if (wp->w_width < Columns && (fprintf(fd,
10142 "exe 'vert %dresize ' . ((&columns * %ld + %ld) / %ld)",
10143 n, (long)wp->w_width, Columns / 2, Columns) < 0
10144 || put_eol(fd) == FAIL))
10145 return FAIL;
10146 }
10147 }
10148 else
10149 {
10150 /* Just equalise window sizes */
10151 if (put_line(fd, "wincmd =") == FAIL)
10152 return FAIL;
10153 }
10154 return OK;
10155 }
10156
10157 /*
10158 * Write commands to "fd" to recursively create windows for frame "fr",
10159 * horizontally and vertically split.
10160 * After the commands the last window in the frame is the current window.
10161 * Returns FAIL when writing the commands to "fd" fails.
10162 */
10163 static int
10164 ses_win_rec(fd, fr)
10165 FILE *fd;
10166 frame_T *fr;
10167 {
10168 frame_T *frc;
10169 int count = 0;
10170
10171 if (fr->fr_layout != FR_LEAF)
10172 {
10173 /* Find first frame that's not skipped and then create a window for
10174 * each following one (first frame is already there). */
10175 frc = ses_skipframe(fr->fr_child);
10176 if (frc != NULL)
10177 while ((frc = ses_skipframe(frc->fr_next)) != NULL)
10178 {
10179 /* Make window as big as possible so that we have lots of room
10180 * to split. */
10181 if (put_line(fd, "wincmd _ | wincmd |") == FAIL
10182 || put_line(fd, fr->fr_layout == FR_COL
10183 ? "split" : "vsplit") == FAIL)
10184 return FAIL;
10185 ++count;
10186 }
10187
10188 /* Go back to the first window. */
10189 if (count > 0 && (fprintf(fd, fr->fr_layout == FR_COL
10190 ? "%dwincmd k" : "%dwincmd h", count) < 0
10191 || put_eol(fd) == FAIL))
10192 return FAIL;
10193
10194 /* Recursively create frames/windows in each window of this column or
10195 * row. */
10196 frc = ses_skipframe(fr->fr_child);
10197 while (frc != NULL)
10198 {
10199 ses_win_rec(fd, frc);
10200 frc = ses_skipframe(frc->fr_next);
10201 /* Go to next window. */
10202 if (frc != NULL && put_line(fd, "wincmd w") == FAIL)
10203 return FAIL;
10204 }
10205 }
10206 return OK;
10207 }
10208
10209 /*
10210 * Skip frames that don't contain windows we want to save in the Session.
10211 * Returns NULL when there none.
10212 */
10213 static frame_T *
10214 ses_skipframe(fr)
10215 frame_T *fr;
10216 {
10217 frame_T *frc;
10218
10219 for (frc = fr; frc != NULL; frc = frc->fr_next)
10220 if (ses_do_frame(frc))
10221 break;
10222 return frc;
10223 }
10224
10225 /*
10226 * Return TRUE if frame "fr" has a window somewhere that we want to save in
10227 * the Session.
10228 */
10229 static int
10230 ses_do_frame(fr)
10231 frame_T *fr;
10232 {
10233 frame_T *frc;
10234
10235 if (fr->fr_layout == FR_LEAF)
10236 return ses_do_win(fr->fr_win);
10237 for (frc = fr->fr_child; frc != NULL; frc = frc->fr_next)
10238 if (ses_do_frame(frc))
10239 return TRUE;
10240 return FALSE;
10241 }
10242
10243 /*
10244 * Return non-zero if window "wp" is to be stored in the Session.
10245 */
10246 static int
10247 ses_do_win(wp)
10248 win_T *wp;
10249 {
10250 if (wp->w_buffer->b_fname == NULL
10251 #ifdef FEAT_QUICKFIX
10252 /* When 'buftype' is "nofile" can't restore the window contents. */
10253 || bt_nofile(wp->w_buffer)
10254 #endif
10255 )
10256 return (ssop_flags & SSOP_BLANK);
10257 if (wp->w_buffer->b_help)
10258 return (ssop_flags & SSOP_HELP);
10259 return TRUE;
10260 }
10261
10262 /*
10263 * Write commands to "fd" to restore the view of a window.
10264 * Caller must make sure 'scrolloff' is zero.
10265 */
10266 static int
10267 put_view(fd, wp, add_edit, flagp, current_arg_idx)
10268 FILE *fd;
10269 win_T *wp;
10270 int add_edit; /* add ":edit" command to view */
10271 unsigned *flagp; /* vop_flags or ssop_flags */
10272 int current_arg_idx; /* current argument index of the window, use
10273 * -1 if unknown */
10274 {
10275 win_T *save_curwin;
10276 int f;
10277 int do_cursor;
10278 int did_next = FALSE;
10279
10280 /* Always restore cursor position for ":mksession". For ":mkview" only
10281 * when 'viewoptions' contains "cursor". */
10282 do_cursor = (flagp == &ssop_flags || *flagp & SSOP_CURSOR);
10283
10284 /*
10285 * Local argument list.
10286 */
10287 if (wp->w_alist == &global_alist)
10288 {
10289 if (put_line(fd, "argglobal") == FAIL)
10290 return FAIL;
10291 }
10292 else
10293 {
10294 if (ses_arglist(fd, "arglocal", &wp->w_alist->al_ga,
10295 flagp == &vop_flags
10296 || !(*flagp & SSOP_CURDIR)
10297 || wp->w_localdir != NULL, flagp) == FAIL)
10298 return FAIL;
10299 }
10300
10301 /* Only when part of a session: restore the argument index. Some
10302 * arguments may have been deleted, check if the index is valid. */
10303 if (wp->w_arg_idx != current_arg_idx && wp->w_arg_idx <= WARGCOUNT(wp)
10304 && flagp == &ssop_flags)
10305 {
10306 if (fprintf(fd, "%ldargu", (long)wp->w_arg_idx + 1) < 0
10307 || put_eol(fd) == FAIL)
10308 return FAIL;
10309 did_next = TRUE;
10310 }
10311
10312 /* Edit the file. Skip this when ":next" already did it. */
10313 if (add_edit && (!did_next || wp->w_arg_idx_invalid))
10314 {
10315 /*
10316 * Load the file.
10317 */
10318 if (wp->w_buffer->b_ffname != NULL
10319 #ifdef FEAT_QUICKFIX
10320 && !bt_nofile(wp->w_buffer)
10321 #endif
10322 )
10323 {
10324 /*
10325 * Editing a file in this buffer: use ":edit file".
10326 * This may have side effects! (e.g., compressed or network file).
10327 */
10328 if (fputs("edit ", fd) < 0
10329 || ses_fname(fd, wp->w_buffer, flagp) == FAIL)
10330 return FAIL;
10331 }
10332 else
10333 {
10334 /* No file in this buffer, just make it empty. */
10335 if (put_line(fd, "enew") == FAIL)
10336 return FAIL;
10337 #ifdef FEAT_QUICKFIX
10338 if (wp->w_buffer->b_ffname != NULL)
10339 {
10340 /* The buffer does have a name, but it's not a file name. */
10341 if (fputs("file ", fd) < 0
10342 || ses_fname(fd, wp->w_buffer, flagp) == FAIL)
10343 return FAIL;
10344 }
10345 #endif
10346 do_cursor = FALSE;
10347 }
10348 }
10349
10350 /*
10351 * Local mappings and abbreviations.
10352 */
10353 if ((*flagp & (SSOP_OPTIONS | SSOP_LOCALOPTIONS))
10354 && makemap(fd, wp->w_buffer) == FAIL)
10355 return FAIL;
10356
10357 /*
10358 * Local options. Need to go to the window temporarily.
10359 * Store only local values when using ":mkview" and when ":mksession" is
10360 * used and 'sessionoptions' doesn't include "options".
10361 * Some folding options are always stored when "folds" is included,
10362 * otherwise the folds would not be restored correctly.
10363 */
10364 save_curwin = curwin;
10365 curwin = wp;
10366 curbuf = curwin->w_buffer;
10367 if (*flagp & (SSOP_OPTIONS | SSOP_LOCALOPTIONS))
10368 f = makeset(fd, OPT_LOCAL,
10369 flagp == &vop_flags || !(*flagp & SSOP_OPTIONS));
10370 #ifdef FEAT_FOLDING
10371 else if (*flagp & SSOP_FOLDS)
10372 f = makefoldset(fd);
10373 #endif
10374 else
10375 f = OK;
10376 curwin = save_curwin;
10377 curbuf = curwin->w_buffer;
10378 if (f == FAIL)
10379 return FAIL;
10380
10381 #ifdef FEAT_FOLDING
10382 /*
10383 * Save Folds when 'buftype' is empty and for help files.
10384 */
10385 if ((*flagp & SSOP_FOLDS)
10386 && wp->w_buffer->b_ffname != NULL
10387 # ifdef FEAT_QUICKFIX
10388 && (*wp->w_buffer->b_p_bt == NUL || wp->w_buffer->b_help)
10389 # endif
10390 )
10391 {
10392 if (put_folds(fd, wp) == FAIL)
10393 return FAIL;
10394 }
10395 #endif
10396
10397 /*
10398 * Set the cursor after creating folds, since that moves the cursor.
10399 */
10400 if (do_cursor)
10401 {
10402
10403 /* Restore the cursor line in the file and relatively in the
10404 * window. Don't use "G", it changes the jumplist. */
10405 if (fprintf(fd, "let s:l = %ld - ((%ld * winheight(0) + %ld) / %ld)",
10406 (long)wp->w_cursor.lnum,
10407 (long)(wp->w_cursor.lnum - wp->w_topline),
10408 (long)wp->w_height / 2, (long)wp->w_height) < 0
10409 || put_eol(fd) == FAIL
10410 || put_line(fd, "if s:l < 1 | let s:l = 1 | endif") == FAIL
10411 || put_line(fd, "exe s:l") == FAIL
10412 || put_line(fd, "normal! zt") == FAIL
10413 || fprintf(fd, "%ld", (long)wp->w_cursor.lnum) < 0
10414 || put_eol(fd) == FAIL)
10415 return FAIL;
10416 /* Restore the cursor column and left offset when not wrapping. */
10417 if (wp->w_cursor.col == 0)
10418 {
10419 if (put_line(fd, "normal! 0") == FAIL)
10420 return FAIL;
10421 }
10422 else
10423 {
10424 if (!wp->w_p_wrap && wp->w_leftcol > 0 && wp->w_width > 0)
10425 {
10426 if (fprintf(fd,
10427 "let s:c = %ld - ((%ld * winwidth(0) + %ld) / %ld)",
10428 (long)wp->w_cursor.col,
10429 (long)(wp->w_cursor.col - wp->w_leftcol),
10430 (long)wp->w_width / 2, (long)wp->w_width) < 0
10431 || put_eol(fd) == FAIL
10432 || put_line(fd, "if s:c > 0") == FAIL
10433 || fprintf(fd,
10434 " exe 'normal! 0' . s:c . 'lzs' . (%ld - s:c) . 'l'",
10435 (long)wp->w_cursor.col) < 0
10436 || put_eol(fd) == FAIL
10437 || put_line(fd, "else") == FAIL
10438 || fprintf(fd, " normal! 0%dl", wp->w_cursor.col) < 0
10439 || put_eol(fd) == FAIL
10440 || put_line(fd, "endif") == FAIL)
10441 return FAIL;
10442 }
10443 else
10444 {
10445 if (fprintf(fd, "normal! 0%dl", wp->w_cursor.col) < 0
10446 || put_eol(fd) == FAIL)
10447 return FAIL;
10448 }
10449 }
10450 }
10451
10452 /*
10453 * Local directory.
10454 */
10455 if (wp->w_localdir != NULL)
10456 {
10457 if (fputs("lcd ", fd) < 0
10458 || ses_put_fname(fd, wp->w_localdir, flagp) == FAIL
10459 || put_eol(fd) == FAIL)
10460 return FAIL;
10461 did_lcd = TRUE;
10462 }
10463
10464 return OK;
10465 }
10466
10467 /*
10468 * Write an argument list to the session file.
10469 * Returns FAIL if writing fails.
10470 */
10471 static int
10472 ses_arglist(fd, cmd, gap, fullname, flagp)
10473 FILE *fd;
10474 char *cmd;
10475 garray_T *gap;
10476 int fullname; /* TRUE: use full path name */
10477 unsigned *flagp;
10478 {
10479 int i;
10480 char_u buf[MAXPATHL];
10481 char_u *s;
10482
10483 if (gap->ga_len == 0)
10484 return put_line(fd, "silent! argdel *");
10485 if (fputs(cmd, fd) < 0)
10486 return FAIL;
10487 for (i = 0; i < gap->ga_len; ++i)
10488 {
10489 /* NULL file names are skipped (only happens when out of memory). */
10490 s = alist_name(&((aentry_T *)gap->ga_data)[i]);
10491 if (s != NULL)
10492 {
10493 if (fullname)
10494 {
10495 (void)vim_FullName(s, buf, MAXPATHL, FALSE);
10496 s = buf;
10497 }
10498 if (fputs(" ", fd) < 0 || ses_put_fname(fd, s, flagp) == FAIL)
10499 return FAIL;
10500 }
10501 }
10502 return put_eol(fd);
10503 }
10504
10505 /*
10506 * Write a buffer name to the session file.
10507 * Also ends the line.
10508 * Returns FAIL if writing fails.
10509 */
10510 static int
10511 ses_fname(fd, buf, flagp)
10512 FILE *fd;
10513 buf_T *buf;
10514 unsigned *flagp;
10515 {
10516 char_u *name;
10517
10518 /* Use the short file name if the current directory is known at the time
10519 * the session file will be sourced.
10520 * Don't do this for ":mkview", we don't know the current directory.
10521 * Don't do this after ":lcd", we don't keep track of what the current
10522 * directory is. */
10523 if (buf->b_sfname != NULL
10524 && flagp == &ssop_flags
10525 && (ssop_flags & (SSOP_CURDIR | SSOP_SESDIR))
10526 && !did_lcd)
10527 name = buf->b_sfname;
10528 else
10529 name = buf->b_ffname;
10530 if (ses_put_fname(fd, name, flagp) == FAIL || put_eol(fd) == FAIL)
10531 return FAIL;
10532 return OK;
10533 }
10534
10535 /*
10536 * Write a file name to the session file.
10537 * Takes care of the "slash" option in 'sessionoptions' and escapes special
10538 * characters.
10539 * Returns FAIL if writing fails.
10540 */
10541 static int
10542 ses_put_fname(fd, name, flagp)
10543 FILE *fd;
10544 char_u *name;
10545 unsigned *flagp;
10546 {
10547 char_u *sname;
10548 int retval = OK;
10549 int c;
10550
10551 sname = home_replace_save(NULL, name);
10552 if (sname != NULL)
10553 name = sname;
10554 while (*name != NUL)
10555 {
10556 #ifdef FEAT_MBYTE
10557 {
10558 int l;
10559
10560 if (has_mbyte && (l = (*mb_ptr2len)(name)) > 1)
10561 {
10562 /* copy a multibyte char */
10563 while (--l >= 0)
10564 {
10565 if (putc(*name, fd) != *name)
10566 retval = FAIL;
10567 ++name;
10568 }
10569 continue;
10570 }
10571 }
10572 #endif
10573 c = *name++;
10574 if (c == '\\' && (*flagp & SSOP_SLASH))
10575 /* change a backslash to a forward slash */
10576 c = '/';
10577 else if ((vim_strchr(escape_chars, c) != NULL
10578 #ifdef BACKSLASH_IN_FILENAME
10579 && c != '\\'
10580 #endif
10581 ) || c == '#' || c == '%')
10582 {
10583 /* escape a special character with a backslash */
10584 if (putc('\\', fd) != '\\')
10585 retval = FAIL;
10586 }
10587 if (putc(c, fd) != c)
10588 retval = FAIL;
10589 }
10590 vim_free(sname);
10591 return retval;
10592 }
10593
10594 /*
10595 * ":loadview [nr]"
10596 */
10597 static void
10598 ex_loadview(eap)
10599 exarg_T *eap;
10600 {
10601 char_u *fname;
10602
10603 fname = get_view_file(*eap->arg);
10604 if (fname != NULL)
10605 {
10606 do_source(fname, FALSE, DOSO_NONE);
10607 vim_free(fname);
10608 }
10609 }
10610
10611 /*
10612 * Get the name of the view file for the current buffer.
10613 */
10614 static char_u *
10615 get_view_file(c)
10616 int c;
10617 {
10618 int len = 0;
10619 char_u *p, *s;
10620 char_u *retval;
10621 char_u *sname;
10622
10623 if (curbuf->b_ffname == NULL)
10624 {
10625 EMSG(_(e_noname));
10626 return NULL;
10627 }
10628 sname = home_replace_save(NULL, curbuf->b_ffname);
10629 if (sname == NULL)
10630 return NULL;
10631
10632 /*
10633 * We want a file name without separators, because we're not going to make
10634 * a directory.
10635 * "normal" path separator -> "=+"
10636 * "=" -> "=="
10637 * ":" path separator -> "=-"
10638 */
10639 for (p = sname; *p; ++p)
10640 if (*p == '=' || vim_ispathsep(*p))
10641 ++len;
10642 retval = alloc((unsigned)(STRLEN(sname) + len + STRLEN(p_vdir) + 9));
10643 if (retval != NULL)
10644 {
10645 STRCPY(retval, p_vdir);
10646 add_pathsep(retval);
10647 s = retval + STRLEN(retval);
10648 for (p = sname; *p; ++p)
10649 {
10650 if (*p == '=')
10651 {
10652 *s++ = '=';
10653 *s++ = '=';
10654 }
10655 else if (vim_ispathsep(*p))
10656 {
10657 *s++ = '=';
10658 #if defined(BACKSLASH_IN_FILENAME) || defined(AMIGA) || defined(RISCOS) \
10659 || defined(VMS)
10660 if (*p == ':')
10661 *s++ = '-';
10662 else
10663 #endif
10664 *s++ = '+';
10665 }
10666 else
10667 *s++ = *p;
10668 }
10669 *s++ = '=';
10670 *s++ = c;
10671 STRCPY(s, ".vim");
10672 }
10673
10674 vim_free(sname);
10675 return retval;
10676 }
10677
10678 #endif /* FEAT_SESSION */
10679
10680 /*
10681 * Write end-of-line character(s) for ":mkexrc", ":mkvimrc" and ":mksession".
10682 * Return FAIL for a write error.
10683 */
10684 int
10685 put_eol(fd)
10686 FILE *fd;
10687 {
10688 if (
10689 #ifdef USE_CRNL
10690 (
10691 # ifdef MKSESSION_NL
10692 !mksession_nl &&
10693 # endif
10694 (putc('\r', fd) < 0)) ||
10695 #endif
10696 (putc('\n', fd) < 0))
10697 return FAIL;
10698 return OK;
10699 }
10700
10701 /*
10702 * Write a line to "fd".
10703 * Return FAIL for a write error.
10704 */
10705 int
10706 put_line(fd, s)
10707 FILE *fd;
10708 char *s;
10709 {
10710 if (fputs(s, fd) < 0 || put_eol(fd) == FAIL)
10711 return FAIL;
10712 return OK;
10713 }
10714
10715 #ifdef FEAT_VIMINFO
10716 /*
10717 * ":rviminfo" and ":wviminfo".
10718 */
10719 static void
10720 ex_viminfo(eap)
10721 exarg_T *eap;
10722 {
10723 char_u *save_viminfo;
10724
10725 save_viminfo = p_viminfo;
10726 if (*p_viminfo == NUL)
10727 p_viminfo = (char_u *)"'100";
10728 if (eap->cmdidx == CMD_rviminfo)
10729 {
10730 if (read_viminfo(eap->arg, TRUE, TRUE, eap->forceit) == FAIL)
10731 EMSG(_("E195: Cannot open viminfo file for reading"));
10732 }
10733 else
10734 write_viminfo(eap->arg, eap->forceit);
10735 p_viminfo = save_viminfo;
10736 }
10737 #endif
10738
10739 #if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG) || defined(PROTO)
10740 /*
10741 * Make a dialog message in "buff[IOSIZE]".
10742 * "format" must contain "%s".
10743 */
10744 void
10745 dialog_msg(buff, format, fname)
10746 char_u *buff;
10747 char *format;
10748 char_u *fname;
10749 {
10750 if (fname == NULL)
10751 fname = (char_u *)_("Untitled");
10752 vim_snprintf((char *)buff, IOSIZE, format, fname);
10753 }
10754 #endif
10755
10756 /*
10757 * ":behave {mswin,xterm}"
10758 */
10759 static void
10760 ex_behave(eap)
10761 exarg_T *eap;
10762 {
10763 if (STRCMP(eap->arg, "mswin") == 0)
10764 {
10765 set_option_value((char_u *)"selection", 0L, (char_u *)"exclusive", 0);
10766 set_option_value((char_u *)"selectmode", 0L, (char_u *)"mouse,key", 0);
10767 set_option_value((char_u *)"mousemodel", 0L, (char_u *)"popup", 0);
10768 set_option_value((char_u *)"keymodel", 0L,
10769 (char_u *)"startsel,stopsel", 0);
10770 }
10771 else if (STRCMP(eap->arg, "xterm") == 0)
10772 {
10773 set_option_value((char_u *)"selection", 0L, (char_u *)"inclusive", 0);
10774 set_option_value((char_u *)"selectmode", 0L, (char_u *)"", 0);
10775 set_option_value((char_u *)"mousemodel", 0L, (char_u *)"extend", 0);
10776 set_option_value((char_u *)"keymodel", 0L, (char_u *)"", 0);
10777 }
10778 else
10779 EMSG2(_(e_invarg2), eap->arg);
10780 }
10781
10782 #ifdef FEAT_AUTOCMD
10783 static int filetype_detect = FALSE;
10784 static int filetype_plugin = FALSE;
10785 static int filetype_indent = FALSE;
10786
10787 /*
10788 * ":filetype [plugin] [indent] {on,off,detect}"
10789 * on: Load the filetype.vim file to install autocommands for file types.
10790 * off: Load the ftoff.vim file to remove all autocommands for file types.
10791 * plugin on: load filetype.vim and ftplugin.vim
10792 * plugin off: load ftplugof.vim
10793 * indent on: load filetype.vim and indent.vim
10794 * indent off: load indoff.vim
10795 */
10796 static void
10797 ex_filetype(eap)
10798 exarg_T *eap;
10799 {
10800 char_u *arg = eap->arg;
10801 int plugin = FALSE;
10802 int indent = FALSE;
10803
10804 if (*eap->arg == NUL)
10805 {
10806 /* Print current status. */
10807 smsg((char_u *)"filetype detection:%s plugin:%s indent:%s",
10808 filetype_detect ? "ON" : "OFF",
10809 filetype_plugin ? (filetype_detect ? "ON" : "(on)") : "OFF",
10810 filetype_indent ? (filetype_detect ? "ON" : "(on)") : "OFF");
10811 return;
10812 }
10813
10814 /* Accept "plugin" and "indent" in any order. */
10815 for (;;)
10816 {
10817 if (STRNCMP(arg, "plugin", 6) == 0)
10818 {
10819 plugin = TRUE;
10820 arg = skipwhite(arg + 6);
10821 continue;
10822 }
10823 if (STRNCMP(arg, "indent", 6) == 0)
10824 {
10825 indent = TRUE;
10826 arg = skipwhite(arg + 6);
10827 continue;
10828 }
10829 break;
10830 }
10831 if (STRCMP(arg, "on") == 0 || STRCMP(arg, "detect") == 0)
10832 {
10833 if (*arg == 'o' || !filetype_detect)
10834 {
10835 source_runtime((char_u *)FILETYPE_FILE, TRUE);
10836 filetype_detect = TRUE;
10837 if (plugin)
10838 {
10839 source_runtime((char_u *)FTPLUGIN_FILE, TRUE);
10840 filetype_plugin = TRUE;
10841 }
10842 if (indent)
10843 {
10844 source_runtime((char_u *)INDENT_FILE, TRUE);
10845 filetype_indent = TRUE;
10846 }
10847 }
10848 if (*arg == 'd')
10849 {
10850 (void)do_doautocmd((char_u *)"filetypedetect BufRead", TRUE);
10851 do_modelines(0);
10852 }
10853 }
10854 else if (STRCMP(arg, "off") == 0)
10855 {
10856 if (plugin || indent)
10857 {
10858 if (plugin)
10859 {
10860 source_runtime((char_u *)FTPLUGOF_FILE, TRUE);
10861 filetype_plugin = FALSE;
10862 }
10863 if (indent)
10864 {
10865 source_runtime((char_u *)INDOFF_FILE, TRUE);
10866 filetype_indent = FALSE;
10867 }
10868 }
10869 else
10870 {
10871 source_runtime((char_u *)FTOFF_FILE, TRUE);
10872 filetype_detect = FALSE;
10873 }
10874 }
10875 else
10876 EMSG2(_(e_invarg2), arg);
10877 }
10878
10879 /*
10880 * ":setfiletype {name}"
10881 */
10882 static void
10883 ex_setfiletype(eap)
10884 exarg_T *eap;
10885 {
10886 if (!did_filetype)
10887 set_option_value((char_u *)"filetype", 0L, eap->arg, OPT_LOCAL);
10888 }
10889 #endif
10890
10891 /*ARGSUSED*/
10892 static void
10893 ex_digraphs(eap)
10894 exarg_T *eap;
10895 {
10896 #ifdef FEAT_DIGRAPHS
10897 if (*eap->arg != NUL)
10898 putdigraph(eap->arg);
10899 else
10900 listdigraphs();
10901 #else
10902 EMSG(_("E196: No digraphs in this version"));
10903 #endif
10904 }
10905
10906 static void
10907 ex_set(eap)
10908 exarg_T *eap;
10909 {
10910 int flags = 0;
10911
10912 if (eap->cmdidx == CMD_setlocal)
10913 flags = OPT_LOCAL;
10914 else if (eap->cmdidx == CMD_setglobal)
10915 flags = OPT_GLOBAL;
10916 #if defined(FEAT_EVAL) && defined(FEAT_AUTOCMD) && defined(FEAT_BROWSE)
10917 if (cmdmod.browse && flags == 0)
10918 ex_options(eap);
10919 else
10920 #endif
10921 (void)do_set(eap->arg, flags);
10922 }
10923
10924 #ifdef FEAT_SEARCH_EXTRA
10925 /*
10926 * ":nohlsearch"
10927 */
10928 /*ARGSUSED*/
10929 static void
10930 ex_nohlsearch(eap)
10931 exarg_T *eap;
10932 {
10933 no_hlsearch = TRUE;
10934 redraw_all_later(SOME_VALID);
10935 }
10936
10937 /*
10938 * ":[N]match {group} {pattern}"
10939 * Sets nextcmd to the start of the next command, if any. Also called when
10940 * skipping commands to find the next command.
10941 */
10942 static void
10943 ex_match(eap)
10944 exarg_T *eap;
10945 {
10946 char_u *p;
10947 char_u *g = NULL;
10948 char_u *end;
10949 int c;
10950 int id;
10951
10952 if (eap->line2 <= 3)
10953 id = eap->line2;
10954 else
10955 {
10956 EMSG(e_invcmd);
10957 return;
10958 }
10959
10960 /* First clear any old pattern. */
10961 if (!eap->skip)
10962 match_delete(curwin, id, FALSE);
10963
10964 if (ends_excmd(*eap->arg))
10965 end = eap->arg;
10966 else if ((STRNICMP(eap->arg, "none", 4) == 0
10967 && (vim_iswhite(eap->arg[4]) || ends_excmd(eap->arg[4]))))
10968 end = eap->arg + 4;
10969 else
10970 {
10971 p = skiptowhite(eap->arg);
10972 if (!eap->skip)
10973 g = vim_strnsave(eap->arg, (int)(p - eap->arg));
10974 p = skipwhite(p);
10975 if (*p == NUL)
10976 {
10977 /* There must be two arguments. */
10978 EMSG2(_(e_invarg2), eap->arg);
10979 return;
10980 }
10981 end = skip_regexp(p + 1, *p, TRUE, NULL);
10982 if (!eap->skip)
10983 {
10984 if (*end != NUL && !ends_excmd(*skipwhite(end + 1)))
10985 {
10986 eap->errmsg = e_trailing;
10987 return;
10988 }
10989 if (*end != *p)
10990 {
10991 EMSG2(_(e_invarg2), p);
10992 return;
10993 }
10994
10995 c = *end;
10996 *end = NUL;
10997 match_add(curwin, g, p + 1, 10, id);
10998 vim_free(g);
10999 *end = c;
11000 }
11001 }
11002 eap->nextcmd = find_nextcmd(end);
11003 }
11004 #endif
11005
11006 #ifdef FEAT_CRYPT
11007 /*
11008 * ":X": Get crypt key
11009 */
11010 /*ARGSUSED*/
11011 static void
11012 ex_X(eap)
11013 exarg_T *eap;
11014 {
11015 (void)get_crypt_key(TRUE, TRUE);
11016 }
11017 #endif
11018
11019 #ifdef FEAT_FOLDING
11020 static void
11021 ex_fold(eap)
11022 exarg_T *eap;
11023 {
11024 if (foldManualAllowed(TRUE))
11025 foldCreate(eap->line1, eap->line2);
11026 }
11027
11028 static void
11029 ex_foldopen(eap)
11030 exarg_T *eap;
11031 {
11032 opFoldRange(eap->line1, eap->line2, eap->cmdidx == CMD_foldopen,
11033 eap->forceit, FALSE);
11034 }
11035
11036 static void
11037 ex_folddo(eap)
11038 exarg_T *eap;
11039 {
11040 linenr_T lnum;
11041
11042 /* First set the marks for all lines closed/open. */
11043 for (lnum = eap->line1; lnum <= eap->line2; ++lnum)
11044 if (hasFolding(lnum, NULL, NULL) == (eap->cmdidx == CMD_folddoclosed))
11045 ml_setmarked(lnum);
11046
11047 /* Execute the command on the marked lines. */
11048 global_exe(eap->arg);
11049 ml_clearmarked(); /* clear rest of the marks */
11050 }
11051 #endif
Vim for the Mac