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Merge branch 'vim-with-runtime' into feat/lua
[vim_extended.git] / src / ex_docmd.c
bloba1e5d2a034f0993191bbf98eddec49f61d4a3bf1
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 int uc_compl; /* completion type */
30 # ifdef FEAT_EVAL
31 scid_T uc_scriptID; /* SID where the command was defined */
32 # ifdef FEAT_CMDL_COMPL
33 char_u *uc_compl_arg; /* completion argument if any */
34 # endif
35 # endif
36 } ucmd_T;
37
38 #define UC_BUFFER 1 /* -buffer: local to current buffer */
39
40 static garray_T ucmds = {0, 0, sizeof(ucmd_T), 4, NULL};
41
42 #define USER_CMD(i) (&((ucmd_T *)(ucmds.ga_data))[i])
43 #define USER_CMD_GA(gap, i) (&((ucmd_T *)((gap)->ga_data))[i])
44
45 static void do_ucmd __ARGS((exarg_T *eap));
46 static void ex_command __ARGS((exarg_T *eap));
47 static void ex_delcommand __ARGS((exarg_T *eap));
48 # ifdef FEAT_CMDL_COMPL
49 static char_u *get_user_command_name __ARGS((int idx));
50 # endif
51
52 #else
53 # define ex_command ex_ni
54 # define ex_comclear ex_ni
55 # define ex_delcommand ex_ni
56 #endif
57
58 #ifdef FEAT_EVAL
59 static char_u *do_one_cmd __ARGS((char_u **, int, struct condstack *, char_u *(*fgetline)(int, void *, int), void *cookie));
60 #else
61 static char_u *do_one_cmd __ARGS((char_u **, int, char_u *(*fgetline)(int, void *, int), void *cookie));
62 static int if_level = 0; /* depth in :if */
63 #endif
64 static char_u *find_command __ARGS((exarg_T *eap, int *full));
65
66 static void ex_abbreviate __ARGS((exarg_T *eap));
67 static void ex_map __ARGS((exarg_T *eap));
68 static void ex_unmap __ARGS((exarg_T *eap));
69 static void ex_mapclear __ARGS((exarg_T *eap));
70 static void ex_abclear __ARGS((exarg_T *eap));
71 #ifndef FEAT_MENU
72 # define ex_emenu ex_ni
73 # define ex_menu ex_ni
74 # define ex_menutranslate ex_ni
75 #endif
76 #ifdef FEAT_AUTOCMD
77 static void ex_autocmd __ARGS((exarg_T *eap));
78 static void ex_doautocmd __ARGS((exarg_T *eap));
79 #else
80 # define ex_autocmd ex_ni
81 # define ex_doautocmd ex_ni
82 # define ex_doautoall ex_ni
83 #endif
84 #ifdef FEAT_LISTCMDS
85 static void ex_bunload __ARGS((exarg_T *eap));
86 static void ex_buffer __ARGS((exarg_T *eap));
87 static void ex_bmodified __ARGS((exarg_T *eap));
88 static void ex_bnext __ARGS((exarg_T *eap));
89 static void ex_bprevious __ARGS((exarg_T *eap));
90 static void ex_brewind __ARGS((exarg_T *eap));
91 static void ex_blast __ARGS((exarg_T *eap));
92 #else
93 # define ex_bunload ex_ni
94 # define ex_buffer ex_ni
95 # define ex_bmodified ex_ni
96 # define ex_bnext ex_ni
97 # define ex_bprevious ex_ni
98 # define ex_brewind ex_ni
99 # define ex_blast ex_ni
100 # define buflist_list ex_ni
101 # define ex_checktime ex_ni
102 #endif
103 #if !defined(FEAT_LISTCMDS) || !defined(FEAT_WINDOWS)
104 # define ex_buffer_all ex_ni
105 #endif
106 static char_u *getargcmd __ARGS((char_u **));
107 static char_u *skip_cmd_arg __ARGS((char_u *p, int rembs));
108 static int getargopt __ARGS((exarg_T *eap));
109 #ifndef FEAT_QUICKFIX
110 # define ex_make ex_ni
111 # define ex_cbuffer ex_ni
112 # define ex_cc ex_ni
113 # define ex_cnext ex_ni
114 # define ex_cfile ex_ni
115 # define qf_list ex_ni
116 # define qf_age ex_ni
117 # define ex_helpgrep ex_ni
118 # define ex_vimgrep ex_ni
119 #endif
120 #if !defined(FEAT_QUICKFIX) || !defined(FEAT_WINDOWS)
121 # define ex_cclose ex_ni
122 # define ex_copen ex_ni
123 # define ex_cwindow ex_ni
124 #endif
125 #if !defined(FEAT_QUICKFIX) || !defined(FEAT_EVAL)
126 # define ex_cexpr ex_ni
127 #endif
128
129 static int check_more __ARGS((int, int));
130 static linenr_T get_address __ARGS((char_u **, int skip, int to_other_file));
131 static void get_flags __ARGS((exarg_T *eap));
132 #if !defined(FEAT_PERL) || !defined(FEAT_PYTHON) || !defined(FEAT_TCL) \
133 || !defined(FEAT_RUBY) || !defined(FEAT_MZSCHEME)
134 # define HAVE_EX_SCRIPT_NI
135 static void ex_script_ni __ARGS((exarg_T *eap));
136 #endif
137 static char_u *invalid_range __ARGS((exarg_T *eap));
138 static void correct_range __ARGS((exarg_T *eap));
139 #ifdef FEAT_QUICKFIX
140 static char_u *replace_makeprg __ARGS((exarg_T *eap, char_u *p, char_u **cmdlinep));
141 #endif
142 static char_u *repl_cmdline __ARGS((exarg_T *eap, char_u *src, int srclen, char_u *repl, char_u **cmdlinep));
143 static void ex_highlight __ARGS((exarg_T *eap));
144 static void ex_colorscheme __ARGS((exarg_T *eap));
145 static void ex_quit __ARGS((exarg_T *eap));
146 static void ex_cquit __ARGS((exarg_T *eap));
147 static void ex_quit_all __ARGS((exarg_T *eap));
148 #ifdef FEAT_WINDOWS
149 static void ex_close __ARGS((exarg_T *eap));
150 static void ex_win_close __ARGS((int forceit, win_T *win, tabpage_T *tp));
151 static void ex_only __ARGS((exarg_T *eap));
152 static void ex_resize __ARGS((exarg_T *eap));
153 static void ex_stag __ARGS((exarg_T *eap));
154 static void ex_tabclose __ARGS((exarg_T *eap));
155 static void ex_tabonly __ARGS((exarg_T *eap));
156 static void ex_tabnext __ARGS((exarg_T *eap));
157 static void ex_tabmove __ARGS((exarg_T *eap));
158 static void ex_tabs __ARGS((exarg_T *eap));
159 #else
160 # define ex_close ex_ni
161 # define ex_only ex_ni
162 # define ex_all ex_ni
163 # define ex_resize ex_ni
164 # define ex_splitview ex_ni
165 # define ex_stag ex_ni
166 # define ex_tabnext ex_ni
167 # define ex_tabmove ex_ni
168 # define ex_tabs ex_ni
169 # define ex_tabclose ex_ni
170 # define ex_tabonly ex_ni
171 #endif
172 #if defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX)
173 static void ex_pclose __ARGS((exarg_T *eap));
174 static void ex_ptag __ARGS((exarg_T *eap));
175 static void ex_pedit __ARGS((exarg_T *eap));
176 #else
177 # define ex_pclose ex_ni
178 # define ex_ptag ex_ni
179 # define ex_pedit ex_ni
180 #endif
181 static void ex_hide __ARGS((exarg_T *eap));
182 static void ex_stop __ARGS((exarg_T *eap));
183 static void ex_exit __ARGS((exarg_T *eap));
184 static void ex_print __ARGS((exarg_T *eap));
185 #ifdef FEAT_BYTEOFF
186 static void ex_goto __ARGS((exarg_T *eap));
187 #else
188 # define ex_goto ex_ni
189 #endif
190 static void ex_shell __ARGS((exarg_T *eap));
191 static void ex_preserve __ARGS((exarg_T *eap));
192 static void ex_recover __ARGS((exarg_T *eap));
193 #ifndef FEAT_LISTCMDS
194 # define ex_argedit ex_ni
195 # define ex_argadd ex_ni
196 # define ex_argdelete ex_ni
197 # define ex_listdo ex_ni
198 #endif
199 static void ex_mode __ARGS((exarg_T *eap));
200 static void ex_wrongmodifier __ARGS((exarg_T *eap));
201 static void ex_find __ARGS((exarg_T *eap));
202 static void ex_open __ARGS((exarg_T *eap));
203 static void ex_edit __ARGS((exarg_T *eap));
204 #if !defined(FEAT_GUI) && !defined(FEAT_CLIENTSERVER)
205 # define ex_drop ex_ni
206 #endif
207 #ifndef FEAT_GUI
208 # define ex_gui ex_nogui
209 static void ex_nogui __ARGS((exarg_T *eap));
210 #endif
211 #if defined(FEAT_GUI_W32) && defined(FEAT_MENU) && defined(FEAT_TEAROFF)
212 static void ex_tearoff __ARGS((exarg_T *eap));
213 #else
214 # define ex_tearoff ex_ni
215 #endif
216 #if (defined(FEAT_GUI_MSWIN) || defined(FEAT_GUI_GTK)) && defined(FEAT_MENU)
217 static void ex_popup __ARGS((exarg_T *eap));
218 #else
219 # define ex_popup ex_ni
220 #endif
221 #ifndef FEAT_GUI_MSWIN
222 # define ex_simalt ex_ni
223 #endif
224 #if !defined(FEAT_GUI_MSWIN) && !defined(FEAT_GUI_GTK) && !defined(FEAT_GUI_MOTIF)
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_LUA
247 # define ex_lua ex_script_ni
248 # define ex_luado ex_ni
249 # define ex_luafile ex_ni
250 #endif
251 #ifndef FEAT_MZSCHEME
252 # define ex_mzscheme ex_script_ni
253 # define ex_mzfile ex_ni
254 #endif
255 #ifndef FEAT_PERL
256 # define ex_perl ex_script_ni
257 # define ex_perldo ex_ni
258 #endif
259 #ifndef FEAT_PYTHON
260 # define ex_python ex_script_ni
261 # define ex_pyfile ex_ni
262 #endif
263 #ifndef FEAT_TCL
264 # define ex_tcl ex_script_ni
265 # define ex_tcldo ex_ni
266 # define ex_tclfile ex_ni
267 #endif
268 #ifndef FEAT_RUBY
269 # define ex_ruby ex_script_ni
270 # define ex_rubydo ex_ni
271 # define ex_rubyfile ex_ni
272 #endif
273 #ifndef FEAT_SNIFF
274 # define ex_sniff ex_ni
275 #endif
276 #ifndef FEAT_KEYMAP
277 # define ex_loadkeymap ex_ni
278 #endif
279 static void ex_swapname __ARGS((exarg_T *eap));
280 static void ex_syncbind __ARGS((exarg_T *eap));
281 static void ex_read __ARGS((exarg_T *eap));
282 static void ex_pwd __ARGS((exarg_T *eap));
283 static void ex_equal __ARGS((exarg_T *eap));
284 static void ex_sleep __ARGS((exarg_T *eap));
285 static void do_exmap __ARGS((exarg_T *eap, int isabbrev));
286 static void ex_winsize __ARGS((exarg_T *eap));
287 #ifdef FEAT_WINDOWS
288 static void ex_wincmd __ARGS((exarg_T *eap));
289 #else
290 # define ex_wincmd ex_ni
291 #endif
292 #if defined(FEAT_GUI) || defined(UNIX) || defined(VMS) || defined(MSWIN)
293 static void ex_winpos __ARGS((exarg_T *eap));
294 #else
295 # define ex_winpos ex_ni
296 #endif
297 static void ex_operators __ARGS((exarg_T *eap));
298 static void ex_put __ARGS((exarg_T *eap));
299 static void ex_copymove __ARGS((exarg_T *eap));
300 static void ex_may_print __ARGS((exarg_T *eap));
301 static void ex_submagic __ARGS((exarg_T *eap));
302 static void ex_join __ARGS((exarg_T *eap));
303 static void ex_at __ARGS((exarg_T *eap));
304 static void ex_bang __ARGS((exarg_T *eap));
305 static void ex_undo __ARGS((exarg_T *eap));
306 static void ex_redo __ARGS((exarg_T *eap));
307 static void ex_later __ARGS((exarg_T *eap));
308 static void ex_redir __ARGS((exarg_T *eap));
309 static void ex_redraw __ARGS((exarg_T *eap));
310 static void ex_redrawstatus __ARGS((exarg_T *eap));
311 static void close_redir __ARGS((void));
312 static void ex_mkrc __ARGS((exarg_T *eap));
313 static void ex_mark __ARGS((exarg_T *eap));
314 #ifdef FEAT_USR_CMDS
315 static char_u *uc_fun_cmd __ARGS((void));
316 static char_u *find_ucmd __ARGS((exarg_T *eap, char_u *p, int *full, expand_T *xp, int *compl));
317 #endif
318 #ifdef FEAT_EX_EXTRA
319 static void ex_normal __ARGS((exarg_T *eap));
320 static void ex_startinsert __ARGS((exarg_T *eap));
321 static void ex_stopinsert __ARGS((exarg_T *eap));
322 #else
323 # define ex_normal ex_ni
324 # define ex_align ex_ni
325 # define ex_retab ex_ni
326 # define ex_startinsert ex_ni
327 # define ex_stopinsert ex_ni
328 # define ex_helptags ex_ni
329 # define ex_sort ex_ni
330 #endif
331 #ifdef FEAT_FIND_ID
332 static void ex_checkpath __ARGS((exarg_T *eap));
333 static void ex_findpat __ARGS((exarg_T *eap));
334 #else
335 # define ex_findpat ex_ni
336 # define ex_checkpath ex_ni
337 #endif
338 #if defined(FEAT_FIND_ID) && defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX)
339 static void ex_psearch __ARGS((exarg_T *eap));
340 #else
341 # define ex_psearch ex_ni
342 #endif
343 static void ex_tag __ARGS((exarg_T *eap));
344 static void ex_tag_cmd __ARGS((exarg_T *eap, char_u *name));
345 #ifndef FEAT_EVAL
346 # define ex_scriptnames ex_ni
347 # define ex_finish ex_ni
348 # define ex_echo ex_ni
349 # define ex_echohl ex_ni
350 # define ex_execute ex_ni
351 # define ex_call ex_ni
352 # define ex_if ex_ni
353 # define ex_endif ex_ni
354 # define ex_else ex_ni
355 # define ex_while ex_ni
356 # define ex_for ex_ni
357 # define ex_continue ex_ni
358 # define ex_break ex_ni
359 # define ex_endwhile ex_ni
360 # define ex_endfor ex_ni
361 # define ex_throw ex_ni
362 # define ex_try ex_ni
363 # define ex_catch ex_ni
364 # define ex_finally ex_ni
365 # define ex_endtry ex_ni
366 # define ex_endfunction ex_ni
367 # define ex_let ex_ni
368 # define ex_unlet ex_ni
369 # define ex_lockvar ex_ni
370 # define ex_unlockvar ex_ni
371 # define ex_function ex_ni
372 # define ex_delfunction ex_ni
373 # define ex_return ex_ni
374 # define ex_oldfiles ex_ni
375 #endif
376 static char_u *arg_all __ARGS((void));
377 #ifdef FEAT_SESSION
378 static int makeopens __ARGS((FILE *fd, char_u *dirnow));
379 static int put_view __ARGS((FILE *fd, win_T *wp, int add_edit, unsigned *flagp, int current_arg_idx));
380 static void ex_loadview __ARGS((exarg_T *eap));
381 static char_u *get_view_file __ARGS((int c));
382 static int did_lcd; /* whether ":lcd" was produced for a session */
383 #else
384 # define ex_loadview ex_ni
385 #endif
386 #ifndef FEAT_EVAL
387 # define ex_compiler ex_ni
388 #endif
389 #ifdef FEAT_VIMINFO
390 static void ex_viminfo __ARGS((exarg_T *eap));
391 #else
392 # define ex_viminfo ex_ni
393 #endif
394 static void ex_behave __ARGS((exarg_T *eap));
395 #ifdef FEAT_AUTOCMD
396 static void ex_filetype __ARGS((exarg_T *eap));
397 static void ex_setfiletype __ARGS((exarg_T *eap));
398 #else
399 # define ex_filetype ex_ni
400 # define ex_setfiletype ex_ni
401 #endif
402 #ifndef FEAT_DIFF
403 # define ex_diffoff ex_ni
404 # define ex_diffpatch ex_ni
405 # define ex_diffgetput ex_ni
406 # define ex_diffsplit ex_ni
407 # define ex_diffthis ex_ni
408 # define ex_diffupdate ex_ni
409 #endif
410 static void ex_digraphs __ARGS((exarg_T *eap));
411 static void ex_set __ARGS((exarg_T *eap));
412 #if !defined(FEAT_EVAL) || !defined(FEAT_AUTOCMD)
413 # define ex_options ex_ni
414 #endif
415 #ifdef FEAT_SEARCH_EXTRA
416 static void ex_nohlsearch __ARGS((exarg_T *eap));
417 static void ex_match __ARGS((exarg_T *eap));
418 #else
419 # define ex_nohlsearch ex_ni
420 # define ex_match ex_ni
421 #endif
422 #ifdef FEAT_CRYPT
423 static void ex_X __ARGS((exarg_T *eap));
424 #else
425 # define ex_X ex_ni
426 #endif
427 #ifdef FEAT_FOLDING
428 static void ex_fold __ARGS((exarg_T *eap));
429 static void ex_foldopen __ARGS((exarg_T *eap));
430 static void ex_folddo __ARGS((exarg_T *eap));
431 #else
432 # define ex_fold ex_ni
433 # define ex_foldopen ex_ni
434 # define ex_folddo ex_ni
435 #endif
436 #if !((defined(HAVE_LOCALE_H) || defined(X_LOCALE)) \
437 && (defined(FEAT_GETTEXT) || defined(FEAT_MBYTE)))
438 # define ex_language ex_ni
439 #endif
440 #ifndef FEAT_SIGNS
441 # define ex_sign ex_ni
442 #endif
443 #ifndef FEAT_SUN_WORKSHOP
444 # define ex_wsverb ex_ni
445 #endif
446 #ifndef FEAT_NETBEANS_INTG
447 # define ex_nbkey ex_ni
448 #endif
449
450 #ifndef FEAT_EVAL
451 # define ex_debug ex_ni
452 # define ex_breakadd ex_ni
453 # define ex_debuggreedy ex_ni
454 # define ex_breakdel ex_ni
455 # define ex_breaklist ex_ni
456 #endif
457
458 #ifndef FEAT_CMDHIST
459 # define ex_history ex_ni
460 #endif
461 #ifndef FEAT_JUMPLIST
462 # define ex_jumps ex_ni
463 # define ex_changes ex_ni
464 #endif
465
466 #ifndef FEAT_PROFILE
467 # define ex_profile ex_ni
468 #endif
469
470 /*
471 * Declare cmdnames[].
472 */
473 #define DO_DECLARE_EXCMD
474 #include "ex_cmds.h"
475
476 /*
477 * Table used to quickly search for a command, based on its first character.
478 */
479 static cmdidx_T cmdidxs[27] =
480 {
481 CMD_append,
482 CMD_buffer,
483 CMD_change,
484 CMD_delete,
485 CMD_edit,
486 CMD_file,
487 CMD_global,
488 CMD_help,
489 CMD_insert,
490 CMD_join,
491 CMD_k,
492 CMD_list,
493 CMD_move,
494 CMD_next,
495 CMD_open,
496 CMD_print,
497 CMD_quit,
498 CMD_read,
499 CMD_substitute,
500 CMD_t,
501 CMD_undo,
502 CMD_vglobal,
503 CMD_write,
504 CMD_xit,
505 CMD_yank,
506 CMD_z,
507 CMD_bang
508 };
509
510 static char_u dollar_command[2] = {'$', 0};
511
512
513 #ifdef FEAT_EVAL
514 /* Struct for storing a line inside a while/for loop */
515 typedef struct
516 {
517 char_u *line; /* command line */
518 linenr_T lnum; /* sourcing_lnum of the line */
519 } wcmd_T;
520
521 /*
522 * Structure used to store info for line position in a while or for loop.
523 * This is required, because do_one_cmd() may invoke ex_function(), which
524 * reads more lines that may come from the while/for loop.
525 */
526 struct loop_cookie
527 {
528 garray_T *lines_gap; /* growarray with line info */
529 int current_line; /* last read line from growarray */
530 int repeating; /* TRUE when looping a second time */
531 /* When "repeating" is FALSE use "getline" and "cookie" to get lines */
532 char_u *(*getline) __ARGS((int, void *, int));
533 void *cookie;
534 };
535
536 static char_u *get_loop_line __ARGS((int c, void *cookie, int indent));
537 static int store_loop_line __ARGS((garray_T *gap, char_u *line));
538 static void free_cmdlines __ARGS((garray_T *gap));
539
540 /* Struct to save a few things while debugging. Used in do_cmdline() only. */
541 struct dbg_stuff
542 {
543 int trylevel;
544 int force_abort;
545 except_T *caught_stack;
546 char_u *vv_exception;
547 char_u *vv_throwpoint;
548 int did_emsg;
549 int got_int;
550 int did_throw;
551 int need_rethrow;
552 int check_cstack;
553 except_T *current_exception;
554 };
555
556 static void save_dbg_stuff __ARGS((struct dbg_stuff *dsp));
557 static void restore_dbg_stuff __ARGS((struct dbg_stuff *dsp));
558
559 static void
560 save_dbg_stuff(dsp)
561 struct dbg_stuff *dsp;
562 {
563 dsp->trylevel = trylevel; trylevel = 0;
564 dsp->force_abort = force_abort; force_abort = FALSE;
565 dsp->caught_stack = caught_stack; caught_stack = NULL;
566 dsp->vv_exception = v_exception(NULL);
567 dsp->vv_throwpoint = v_throwpoint(NULL);
568
569 /* Necessary for debugging an inactive ":catch", ":finally", ":endtry" */
570 dsp->did_emsg = did_emsg; did_emsg = FALSE;
571 dsp->got_int = got_int; got_int = FALSE;
572 dsp->did_throw = did_throw; did_throw = FALSE;
573 dsp->need_rethrow = need_rethrow; need_rethrow = FALSE;
574 dsp->check_cstack = check_cstack; check_cstack = FALSE;
575 dsp->current_exception = current_exception; current_exception = NULL;
576 }
577
578 static void
579 restore_dbg_stuff(dsp)
580 struct dbg_stuff *dsp;
581 {
582 suppress_errthrow = FALSE;
583 trylevel = dsp->trylevel;
584 force_abort = dsp->force_abort;
585 caught_stack = dsp->caught_stack;
586 (void)v_exception(dsp->vv_exception);
587 (void)v_throwpoint(dsp->vv_throwpoint);
588 did_emsg = dsp->did_emsg;
589 got_int = dsp->got_int;
590 did_throw = dsp->did_throw;
591 need_rethrow = dsp->need_rethrow;
592 check_cstack = dsp->check_cstack;
593 current_exception = dsp->current_exception;
594 }
595 #endif
596
597
598 /*
599 * do_exmode(): Repeatedly get commands for the "Ex" mode, until the ":vi"
600 * command is given.
601 */
602 void
603 do_exmode(improved)
604 int improved; /* TRUE for "improved Ex" mode */
605 {
606 int save_msg_scroll;
607 int prev_msg_row;
608 linenr_T prev_line;
609 int changedtick;
610
611 if (improved)
612 exmode_active = EXMODE_VIM;
613 else
614 exmode_active = EXMODE_NORMAL;
615 State = NORMAL;
616
617 /* When using ":global /pat/ visual" and then "Q" we return to continue
618 * the :global command. */
619 if (global_busy)
620 return;
621
622 save_msg_scroll = msg_scroll;
623 ++RedrawingDisabled; /* don't redisplay the window */
624 ++no_wait_return; /* don't wait for return */
625 #ifdef FEAT_GUI
626 /* Ignore scrollbar and mouse events in Ex mode */
627 ++hold_gui_events;
628 #endif
629 #ifdef FEAT_SNIFF
630 want_sniff_request = 0; /* No K_SNIFF wanted */
631 #endif
632
633 MSG(_("Entering Ex mode. Type \"visual\" to go to Normal mode."));
634 while (exmode_active)
635 {
636 #ifdef FEAT_EX_EXTRA
637 /* Check for a ":normal" command and no more characters left. */
638 if (ex_normal_busy > 0 && typebuf.tb_len == 0)
639 {
640 exmode_active = FALSE;
641 break;
642 }
643 #endif
644 msg_scroll = TRUE;
645 need_wait_return = FALSE;
646 ex_pressedreturn = FALSE;
647 ex_no_reprint = FALSE;
648 changedtick = curbuf->b_changedtick;
649 prev_msg_row = msg_row;
650 prev_line = curwin->w_cursor.lnum;
651 #ifdef FEAT_SNIFF
652 ProcessSniffRequests();
653 #endif
654 if (improved)
655 {
656 cmdline_row = msg_row;
657 do_cmdline(NULL, getexline, NULL, 0);
658 }
659 else
660 do_cmdline(NULL, getexmodeline, NULL, DOCMD_NOWAIT);
661 lines_left = Rows - 1;
662
663 if ((prev_line != curwin->w_cursor.lnum
664 || changedtick != curbuf->b_changedtick) && !ex_no_reprint)
665 {
666 if (curbuf->b_ml.ml_flags & ML_EMPTY)
667 EMSG(_(e_emptybuf));
668 else
669 {
670 if (ex_pressedreturn)
671 {
672 /* go up one line, to overwrite the ":<CR>" line, so the
673 * output doesn't contain empty lines. */
674 msg_row = prev_msg_row;
675 if (prev_msg_row == Rows - 1)
676 msg_row--;
677 }
678 msg_col = 0;
679 print_line_no_prefix(curwin->w_cursor.lnum, FALSE, FALSE);
680 msg_clr_eos();
681 }
682 }
683 else if (ex_pressedreturn && !ex_no_reprint) /* must be at EOF */
684 {
685 if (curbuf->b_ml.ml_flags & ML_EMPTY)
686 EMSG(_(e_emptybuf));
687 else
688 EMSG(_("E501: At end-of-file"));
689 }
690 }
691
692 #ifdef FEAT_GUI
693 --hold_gui_events;
694 #endif
695 --RedrawingDisabled;
696 --no_wait_return;
697 update_screen(CLEAR);
698 need_wait_return = FALSE;
699 msg_scroll = save_msg_scroll;
700 }
701
702 /*
703 * Execute a simple command line. Used for translated commands like "*".
704 */
705 int
706 do_cmdline_cmd(cmd)
707 char_u *cmd;
708 {
709 return do_cmdline(cmd, NULL, NULL,
710 DOCMD_VERBOSE|DOCMD_NOWAIT|DOCMD_KEYTYPED);
711 }
712
713 /*
714 * do_cmdline(): execute one Ex command line
715 *
716 * 1. Execute "cmdline" when it is not NULL.
717 * If "cmdline" is NULL, or more lines are needed, getline() is used.
718 * 2. Split up in parts separated with '|'.
719 *
720 * This function can be called recursively!
721 *
722 * flags:
723 * DOCMD_VERBOSE - The command will be included in the error message.
724 * DOCMD_NOWAIT - Don't call wait_return() and friends.
725 * DOCMD_REPEAT - Repeat execution until getline() returns NULL.
726 * DOCMD_KEYTYPED - Don't reset KeyTyped.
727 * DOCMD_EXCRESET - Reset the exception environment (used for debugging).
728 * DOCMD_KEEPLINE - Store first typed line (for repeating with ".").
729 *
730 * return FAIL if cmdline could not be executed, OK otherwise
731 */
732 int
733 do_cmdline(cmdline, getline, cookie, flags)
734 char_u *cmdline;
735 char_u *(*getline) __ARGS((int, void *, int));
736 void *cookie; /* argument for getline() */
737 int flags;
738 {
739 char_u *next_cmdline; /* next cmd to execute */
740 char_u *cmdline_copy = NULL; /* copy of cmd line */
741 int used_getline = FALSE; /* used "getline" to obtain command */
742 static int recursive = 0; /* recursive depth */
743 int msg_didout_before_start = 0;
744 int count = 0; /* line number count */
745 int did_inc = FALSE; /* incremented RedrawingDisabled */
746 int retval = OK;
747 #ifdef FEAT_EVAL
748 struct condstack cstack; /* conditional stack */
749 garray_T lines_ga; /* keep lines for ":while"/":for" */
750 int current_line = 0; /* active line in lines_ga */
751 char_u *fname = NULL; /* function or script name */
752 linenr_T *breakpoint = NULL; /* ptr to breakpoint field in cookie */
753 int *dbg_tick = NULL; /* ptr to dbg_tick field in cookie */
754 struct dbg_stuff debug_saved; /* saved things for debug mode */
755 int initial_trylevel;
756 struct msglist **saved_msg_list = NULL;
757 struct msglist *private_msg_list;
758
759 /* "getline" and "cookie" passed to do_one_cmd() */
760 char_u *(*cmd_getline) __ARGS((int, void *, int));
761 void *cmd_cookie;
762 struct loop_cookie cmd_loop_cookie;
763 void *real_cookie;
764 int getline_is_func;
765 #else
766 # define cmd_getline getline
767 # define cmd_cookie cookie
768 #endif
769 static int call_depth = 0; /* recursiveness */
770
771 #ifdef FEAT_EVAL
772 /* For every pair of do_cmdline()/do_one_cmd() calls, use an extra memory
773 * location for storing error messages to be converted to an exception.
774 * This ensures that the do_errthrow() call in do_one_cmd() does not
775 * combine the messages stored by an earlier invocation of do_one_cmd()
776 * with the command name of the later one. This would happen when
777 * BufWritePost autocommands are executed after a write error. */
778 saved_msg_list = msg_list;
779 msg_list = &private_msg_list;
780 private_msg_list = NULL;
781 #endif
782
783 /* It's possible to create an endless loop with ":execute", catch that
784 * here. The value of 200 allows nested function calls, ":source", etc. */
785 if (call_depth == 200)
786 {
787 EMSG(_("E169: Command too recursive"));
788 #ifdef FEAT_EVAL
789 /* When converting to an exception, we do not include the command name
790 * since this is not an error of the specific command. */
791 do_errthrow((struct condstack *)NULL, (char_u *)NULL);
792 msg_list = saved_msg_list;
793 #endif
794 return FAIL;
795 }
796 ++call_depth;
797
798 #ifdef FEAT_EVAL
799 cstack.cs_idx = -1;
800 cstack.cs_looplevel = 0;
801 cstack.cs_trylevel = 0;
802 cstack.cs_emsg_silent_list = NULL;
803 cstack.cs_lflags = 0;
804 ga_init2(&lines_ga, (int)sizeof(wcmd_T), 10);
805
806 real_cookie = getline_cookie(getline, cookie);
807
808 /* Inside a function use a higher nesting level. */
809 getline_is_func = getline_equal(getline, cookie, get_func_line);
810 if (getline_is_func && ex_nesting_level == func_level(real_cookie))
811 ++ex_nesting_level;
812
813 /* Get the function or script name and the address where the next breakpoint
814 * line and the debug tick for a function or script are stored. */
815 if (getline_is_func)
816 {
817 fname = func_name(real_cookie);
818 breakpoint = func_breakpoint(real_cookie);
819 dbg_tick = func_dbg_tick(real_cookie);
820 }
821 else if (getline_equal(getline, cookie, getsourceline))
822 {
823 fname = sourcing_name;
824 breakpoint = source_breakpoint(real_cookie);
825 dbg_tick = source_dbg_tick(real_cookie);
826 }
827
828 /*
829 * Initialize "force_abort" and "suppress_errthrow" at the top level.
830 */
831 if (!recursive)
832 {
833 force_abort = FALSE;
834 suppress_errthrow = FALSE;
835 }
836
837 /*
838 * If requested, store and reset the global values controlling the
839 * exception handling (used when debugging). Otherwise clear it to avoid
840 * a bogus compiler warning when the optimizer uses inline functions...
841 */
842 if (flags & DOCMD_EXCRESET)
843 save_dbg_stuff(&debug_saved);
844 else
845 memset(&debug_saved, 0, 1);
846
847 initial_trylevel = trylevel;
848
849 /*
850 * "did_throw" will be set to TRUE when an exception is being thrown.
851 */
852 did_throw = FALSE;
853 #endif
854 /*
855 * "did_emsg" will be set to TRUE when emsg() is used, in which case we
856 * cancel the whole command line, and any if/endif or loop.
857 * If force_abort is set, we cancel everything.
858 */
859 did_emsg = FALSE;
860
861 /*
862 * KeyTyped is only set when calling vgetc(). Reset it here when not
863 * calling vgetc() (sourced command lines).
864 */
865 if (!(flags & DOCMD_KEYTYPED) && !getline_equal(getline, cookie, getexline))
866 KeyTyped = FALSE;
867
868 /*
869 * Continue executing command lines:
870 * - when inside an ":if", ":while" or ":for"
871 * - for multiple commands on one line, separated with '|'
872 * - when repeating until there are no more lines (for ":source")
873 */
874 next_cmdline = cmdline;
875 do
876 {
877 #ifdef FEAT_EVAL
878 getline_is_func = getline_equal(getline, cookie, get_func_line);
879 #endif
880
881 /* stop skipping cmds for an error msg after all endif/while/for */
882 if (next_cmdline == NULL
883 #ifdef FEAT_EVAL
884 && !force_abort
885 && cstack.cs_idx < 0
886 && !(getline_is_func && func_has_abort(real_cookie))
887 #endif
888 )
889 did_emsg = FALSE;
890
891 /*
892 * 1. If repeating a line in a loop, get a line from lines_ga.
893 * 2. If no line given: Get an allocated line with getline().
894 * 3. If a line is given: Make a copy, so we can mess with it.
895 */
896
897 #ifdef FEAT_EVAL
898 /* 1. If repeating, get a previous line from lines_ga. */
899 if (cstack.cs_looplevel > 0 && current_line < lines_ga.ga_len)
900 {
901 /* Each '|' separated command is stored separately in lines_ga, to
902 * be able to jump to it. Don't use next_cmdline now. */
903 vim_free(cmdline_copy);
904 cmdline_copy = NULL;
905
906 /* Check if a function has returned or, unless it has an unclosed
907 * try conditional, aborted. */
908 if (getline_is_func)
909 {
910 # ifdef FEAT_PROFILE
911 if (do_profiling == PROF_YES)
912 func_line_end(real_cookie);
913 # endif
914 if (func_has_ended(real_cookie))
915 {
916 retval = FAIL;
917 break;
918 }
919 }
920 #ifdef FEAT_PROFILE
921 else if (do_profiling == PROF_YES
922 && getline_equal(getline, cookie, getsourceline))
923 script_line_end();
924 #endif
925
926 /* Check if a sourced file hit a ":finish" command. */
927 if (source_finished(getline, cookie))
928 {
929 retval = FAIL;
930 break;
931 }
932
933 /* If breakpoints have been added/deleted need to check for it. */
934 if (breakpoint != NULL && dbg_tick != NULL
935 && *dbg_tick != debug_tick)
936 {
937 *breakpoint = dbg_find_breakpoint(
938 getline_equal(getline, cookie, getsourceline),
939 fname, sourcing_lnum);
940 *dbg_tick = debug_tick;
941 }
942
943 next_cmdline = ((wcmd_T *)(lines_ga.ga_data))[current_line].line;
944 sourcing_lnum = ((wcmd_T *)(lines_ga.ga_data))[current_line].lnum;
945
946 /* Did we encounter a breakpoint? */
947 if (breakpoint != NULL && *breakpoint != 0
948 && *breakpoint <= sourcing_lnum)
949 {
950 dbg_breakpoint(fname, sourcing_lnum);
951 /* Find next breakpoint. */
952 *breakpoint = dbg_find_breakpoint(
953 getline_equal(getline, cookie, getsourceline),
954 fname, sourcing_lnum);
955 *dbg_tick = debug_tick;
956 }
957 # ifdef FEAT_PROFILE
958 if (do_profiling == PROF_YES)
959 {
960 if (getline_is_func)
961 func_line_start(real_cookie);
962 else if (getline_equal(getline, cookie, getsourceline))
963 script_line_start();
964 }
965 # endif
966 }
967
968 if (cstack.cs_looplevel > 0)
969 {
970 /* Inside a while/for loop we need to store the lines and use them
971 * again. Pass a different "getline" function to do_one_cmd()
972 * below, so that it stores lines in or reads them from
973 * "lines_ga". Makes it possible to define a function inside a
974 * while/for loop. */
975 cmd_getline = get_loop_line;
976 cmd_cookie = (void *)&cmd_loop_cookie;
977 cmd_loop_cookie.lines_gap = &lines_ga;
978 cmd_loop_cookie.current_line = current_line;
979 cmd_loop_cookie.getline = getline;
980 cmd_loop_cookie.cookie = cookie;
981 cmd_loop_cookie.repeating = (current_line < lines_ga.ga_len);
982 }
983 else
984 {
985 cmd_getline = getline;
986 cmd_cookie = cookie;
987 }
988 #endif
989
990 /* 2. If no line given, get an allocated line with getline(). */
991 if (next_cmdline == NULL)
992 {
993 /*
994 * Need to set msg_didout for the first line after an ":if",
995 * otherwise the ":if" will be overwritten.
996 */
997 if (count == 1 && getline_equal(getline, cookie, getexline))
998 msg_didout = TRUE;
999 if (getline == NULL || (next_cmdline = getline(':', cookie,
1000 #ifdef FEAT_EVAL
1001 cstack.cs_idx < 0 ? 0 : (cstack.cs_idx + 1) * 2
1002 #else
1003 0
1004 #endif
1005 )) == NULL)
1006 {
1007 /* Don't call wait_return for aborted command line. The NULL
1008 * returned for the end of a sourced file or executed function
1009 * doesn't do this. */
1010 if (KeyTyped && !(flags & DOCMD_REPEAT))
1011 need_wait_return = FALSE;
1012 retval = FAIL;
1013 break;
1014 }
1015 used_getline = TRUE;
1016
1017 /*
1018 * Keep the first typed line. Clear it when more lines are typed.
1019 */
1020 if (flags & DOCMD_KEEPLINE)
1021 {
1022 vim_free(repeat_cmdline);
1023 if (count == 0)
1024 repeat_cmdline = vim_strsave(next_cmdline);
1025 else
1026 repeat_cmdline = NULL;
1027 }
1028 }
1029
1030 /* 3. Make a copy of the command so we can mess with it. */
1031 else if (cmdline_copy == NULL)
1032 {
1033 next_cmdline = vim_strsave(next_cmdline);
1034 if (next_cmdline == NULL)
1035 {
1036 EMSG(_(e_outofmem));
1037 retval = FAIL;
1038 break;
1039 }
1040 }
1041 cmdline_copy = next_cmdline;
1042
1043 #ifdef FEAT_EVAL
1044 /*
1045 * Save the current line when inside a ":while" or ":for", and when
1046 * the command looks like a ":while" or ":for", because we may need it
1047 * later. When there is a '|' and another command, it is stored
1048 * separately, because we need to be able to jump back to it from an
1049 * :endwhile/:endfor.
1050 */
1051 if (current_line == lines_ga.ga_len
1052 && (cstack.cs_looplevel || has_loop_cmd(next_cmdline)))
1053 {
1054 if (store_loop_line(&lines_ga, next_cmdline) == FAIL)
1055 {
1056 retval = FAIL;
1057 break;
1058 }
1059 }
1060 did_endif = FALSE;
1061 #endif
1062
1063 if (count++ == 0)
1064 {
1065 /*
1066 * All output from the commands is put below each other, without
1067 * waiting for a return. Don't do this when executing commands
1068 * from a script or when being called recursive (e.g. for ":e
1069 * +command file").
1070 */
1071 if (!(flags & DOCMD_NOWAIT) && !recursive)
1072 {
1073 msg_didout_before_start = msg_didout;
1074 msg_didany = FALSE; /* no output yet */
1075 msg_start();
1076 msg_scroll = TRUE; /* put messages below each other */
1077 ++no_wait_return; /* dont wait for return until finished */
1078 ++RedrawingDisabled;
1079 did_inc = TRUE;
1080 }
1081 }
1082
1083 if (p_verbose >= 15 && sourcing_name != NULL)
1084 {
1085 ++no_wait_return;
1086 verbose_enter_scroll();
1087
1088 smsg((char_u *)_("line %ld: %s"),
1089 (long)sourcing_lnum, cmdline_copy);
1090 if (msg_silent == 0)
1091 msg_puts((char_u *)"\n"); /* don't overwrite this */
1092
1093 verbose_leave_scroll();
1094 --no_wait_return;
1095 }
1096
1097 /*
1098 * 2. Execute one '|' separated command.
1099 * do_one_cmd() will return NULL if there is no trailing '|'.
1100 * "cmdline_copy" can change, e.g. for '%' and '#' expansion.
1101 */
1102 ++recursive;
1103 next_cmdline = do_one_cmd(&cmdline_copy, flags & DOCMD_VERBOSE,
1104 #ifdef FEAT_EVAL
1105 &cstack,
1106 #endif
1107 cmd_getline, cmd_cookie);
1108 --recursive;
1109
1110 #ifdef FEAT_EVAL
1111 if (cmd_cookie == (void *)&cmd_loop_cookie)
1112 /* Use "current_line" from "cmd_loop_cookie", it may have been
1113 * incremented when defining a function. */
1114 current_line = cmd_loop_cookie.current_line;
1115 #endif
1116
1117 if (next_cmdline == NULL)
1118 {
1119 vim_free(cmdline_copy);
1120 cmdline_copy = NULL;
1121 #ifdef FEAT_CMDHIST
1122 /*
1123 * If the command was typed, remember it for the ':' register.
1124 * Do this AFTER executing the command to make :@: work.
1125 */
1126 if (getline_equal(getline, cookie, getexline)
1127 && new_last_cmdline != NULL)
1128 {
1129 vim_free(last_cmdline);
1130 last_cmdline = new_last_cmdline;
1131 new_last_cmdline = NULL;
1132 }
1133 #endif
1134 }
1135 else
1136 {
1137 /* need to copy the command after the '|' to cmdline_copy, for the
1138 * next do_one_cmd() */
1139 STRMOVE(cmdline_copy, next_cmdline);
1140 next_cmdline = cmdline_copy;
1141 }
1142
1143
1144 #ifdef FEAT_EVAL
1145 /* reset did_emsg for a function that is not aborted by an error */
1146 if (did_emsg && !force_abort
1147 && getline_equal(getline, cookie, get_func_line)
1148 && !func_has_abort(real_cookie))
1149 did_emsg = FALSE;
1150
1151 if (cstack.cs_looplevel > 0)
1152 {
1153 ++current_line;
1154
1155 /*
1156 * An ":endwhile", ":endfor" and ":continue" is handled here.
1157 * If we were executing commands, jump back to the ":while" or
1158 * ":for".
1159 * If we were not executing commands, decrement cs_looplevel.
1160 */
1161 if (cstack.cs_lflags & (CSL_HAD_CONT | CSL_HAD_ENDLOOP))
1162 {
1163 cstack.cs_lflags &= ~(CSL_HAD_CONT | CSL_HAD_ENDLOOP);
1164
1165 /* Jump back to the matching ":while" or ":for". Be careful
1166 * not to use a cs_line[] from an entry that isn't a ":while"
1167 * or ":for": It would make "current_line" invalid and can
1168 * cause a crash. */
1169 if (!did_emsg && !got_int && !did_throw
1170 && cstack.cs_idx >= 0
1171 && (cstack.cs_flags[cstack.cs_idx]
1172 & (CSF_WHILE | CSF_FOR))
1173 && cstack.cs_line[cstack.cs_idx] >= 0
1174 && (cstack.cs_flags[cstack.cs_idx] & CSF_ACTIVE))
1175 {
1176 current_line = cstack.cs_line[cstack.cs_idx];
1177 /* remember we jumped there */
1178 cstack.cs_lflags |= CSL_HAD_LOOP;
1179 line_breakcheck(); /* check if CTRL-C typed */
1180
1181 /* Check for the next breakpoint at or after the ":while"
1182 * or ":for". */
1183 if (breakpoint != NULL)
1184 {
1185 *breakpoint = dbg_find_breakpoint(
1186 getline_equal(getline, cookie, getsourceline),
1187 fname,
1188 ((wcmd_T *)lines_ga.ga_data)[current_line].lnum-1);
1189 *dbg_tick = debug_tick;
1190 }
1191 }
1192 else
1193 {
1194 /* can only get here with ":endwhile" or ":endfor" */
1195 if (cstack.cs_idx >= 0)
1196 rewind_conditionals(&cstack, cstack.cs_idx - 1,
1197 CSF_WHILE | CSF_FOR, &cstack.cs_looplevel);
1198 }
1199 }
1200
1201 /*
1202 * For a ":while" or ":for" we need to remember the line number.
1203 */
1204 else if (cstack.cs_lflags & CSL_HAD_LOOP)
1205 {
1206 cstack.cs_lflags &= ~CSL_HAD_LOOP;
1207 cstack.cs_line[cstack.cs_idx] = current_line - 1;
1208 }
1209 }
1210
1211 /*
1212 * When not inside any ":while" loop, clear remembered lines.
1213 */
1214 if (cstack.cs_looplevel == 0)
1215 {
1216 if (lines_ga.ga_len > 0)
1217 {
1218 sourcing_lnum =
1219 ((wcmd_T *)lines_ga.ga_data)[lines_ga.ga_len - 1].lnum;
1220 free_cmdlines(&lines_ga);
1221 }
1222 current_line = 0;
1223 }
1224
1225 /*
1226 * A ":finally" makes did_emsg, got_int, and did_throw pending for
1227 * being restored at the ":endtry". Reset them here and set the
1228 * ACTIVE and FINALLY flags, so that the finally clause gets executed.
1229 * This includes the case where a missing ":endif", ":endwhile" or
1230 * ":endfor" was detected by the ":finally" itself.
1231 */
1232 if (cstack.cs_lflags & CSL_HAD_FINA)
1233 {
1234 cstack.cs_lflags &= ~CSL_HAD_FINA;
1235 report_make_pending(cstack.cs_pending[cstack.cs_idx]
1236 & (CSTP_ERROR | CSTP_INTERRUPT | CSTP_THROW),
1237 did_throw ? (void *)current_exception : NULL);
1238 did_emsg = got_int = did_throw = FALSE;
1239 cstack.cs_flags[cstack.cs_idx] |= CSF_ACTIVE | CSF_FINALLY;
1240 }
1241
1242 /* Update global "trylevel" for recursive calls to do_cmdline() from
1243 * within this loop. */
1244 trylevel = initial_trylevel + cstack.cs_trylevel;
1245
1246 /*
1247 * If the outermost try conditional (across function calls and sourced
1248 * files) is aborted because of an error, an interrupt, or an uncaught
1249 * exception, cancel everything. If it is left normally, reset
1250 * force_abort to get the non-EH compatible abortion behavior for
1251 * the rest of the script.
1252 */
1253 if (trylevel == 0 && !did_emsg && !got_int && !did_throw)
1254 force_abort = FALSE;
1255
1256 /* Convert an interrupt to an exception if appropriate. */
1257 (void)do_intthrow(&cstack);
1258 #endif /* FEAT_EVAL */
1259
1260 }
1261 /*
1262 * Continue executing command lines when:
1263 * - no CTRL-C typed, no aborting error, no exception thrown or try
1264 * conditionals need to be checked for executing finally clauses or
1265 * catching an interrupt exception
1266 * - didn't get an error message or lines are not typed
1267 * - there is a command after '|', inside a :if, :while, :for or :try, or
1268 * looping for ":source" command or function call.
1269 */
1270 while (!((got_int
1271 #ifdef FEAT_EVAL
1272 || (did_emsg && force_abort) || did_throw
1273 #endif
1274 )
1275 #ifdef FEAT_EVAL
1276 && cstack.cs_trylevel == 0
1277 #endif
1278 )
1279 && !(did_emsg && used_getline
1280 && (getline_equal(getline, cookie, getexmodeline)
1281 || getline_equal(getline, cookie, getexline)))
1282 && (next_cmdline != NULL
1283 #ifdef FEAT_EVAL
1284 || cstack.cs_idx >= 0
1285 #endif
1286 || (flags & DOCMD_REPEAT)));
1287
1288 vim_free(cmdline_copy);
1289 #ifdef FEAT_EVAL
1290 free_cmdlines(&lines_ga);
1291 ga_clear(&lines_ga);
1292
1293 if (cstack.cs_idx >= 0)
1294 {
1295 /*
1296 * If a sourced file or executed function ran to its end, report the
1297 * unclosed conditional.
1298 */
1299 if (!got_int && !did_throw
1300 && ((getline_equal(getline, cookie, getsourceline)
1301 && !source_finished(getline, cookie))
1302 || (getline_equal(getline, cookie, get_func_line)
1303 && !func_has_ended(real_cookie))))
1304 {
1305 if (cstack.cs_flags[cstack.cs_idx] & CSF_TRY)
1306 EMSG(_(e_endtry));
1307 else if (cstack.cs_flags[cstack.cs_idx] & CSF_WHILE)
1308 EMSG(_(e_endwhile));
1309 else if (cstack.cs_flags[cstack.cs_idx] & CSF_FOR)
1310 EMSG(_(e_endfor));
1311 else
1312 EMSG(_(e_endif));
1313 }
1314
1315 /*
1316 * Reset "trylevel" in case of a ":finish" or ":return" or a missing
1317 * ":endtry" in a sourced file or executed function. If the try
1318 * conditional is in its finally clause, ignore anything pending.
1319 * If it is in a catch clause, finish the caught exception.
1320 * Also cleanup any "cs_forinfo" structures.
1321 */
1322 do
1323 {
1324 int idx = cleanup_conditionals(&cstack, 0, TRUE);
1325
1326 if (idx >= 0)
1327 --idx; /* remove try block not in its finally clause */
1328 rewind_conditionals(&cstack, idx, CSF_WHILE | CSF_FOR,
1329 &cstack.cs_looplevel);
1330 }
1331 while (cstack.cs_idx >= 0);
1332 trylevel = initial_trylevel;
1333 }
1334
1335 /* If a missing ":endtry", ":endwhile", ":endfor", or ":endif" or a memory
1336 * lack was reported above and the error message is to be converted to an
1337 * exception, do this now after rewinding the cstack. */
1338 do_errthrow(&cstack, getline_equal(getline, cookie, get_func_line)
1339 ? (char_u *)"endfunction" : (char_u *)NULL);
1340
1341 if (trylevel == 0)
1342 {
1343 /*
1344 * When an exception is being thrown out of the outermost try
1345 * conditional, discard the uncaught exception, disable the conversion
1346 * of interrupts or errors to exceptions, and ensure that no more
1347 * commands are executed.
1348 */
1349 if (did_throw)
1350 {
1351 void *p = NULL;
1352 char_u *saved_sourcing_name;
1353 int saved_sourcing_lnum;
1354 struct msglist *messages = NULL, *next;
1355
1356 /*
1357 * If the uncaught exception is a user exception, report it as an
1358 * error. If it is an error exception, display the saved error
1359 * message now. For an interrupt exception, do nothing; the
1360 * interrupt message is given elsewhere.
1361 */
1362 switch (current_exception->type)
1363 {
1364 case ET_USER:
1365 vim_snprintf((char *)IObuff, IOSIZE,
1366 _("E605: Exception not caught: %s"),
1367 current_exception->value);
1368 p = vim_strsave(IObuff);
1369 break;
1370 case ET_ERROR:
1371 messages = current_exception->messages;
1372 current_exception->messages = NULL;
1373 break;
1374 case ET_INTERRUPT:
1375 break;
1376 default:
1377 p = vim_strsave((char_u *)_(e_internal));
1378 }
1379
1380 saved_sourcing_name = sourcing_name;
1381 saved_sourcing_lnum = sourcing_lnum;
1382 sourcing_name = current_exception->throw_name;
1383 sourcing_lnum = current_exception->throw_lnum;
1384 current_exception->throw_name = NULL;
1385
1386 discard_current_exception(); /* uses IObuff if 'verbose' */
1387 suppress_errthrow = TRUE;
1388 force_abort = TRUE;
1389
1390 if (messages != NULL)
1391 {
1392 do
1393 {
1394 next = messages->next;
1395 emsg(messages->msg);
1396 vim_free(messages->msg);
1397 vim_free(messages);
1398 messages = next;
1399 }
1400 while (messages != NULL);
1401 }
1402 else if (p != NULL)
1403 {
1404 emsg(p);
1405 vim_free(p);
1406 }
1407 vim_free(sourcing_name);
1408 sourcing_name = saved_sourcing_name;
1409 sourcing_lnum = saved_sourcing_lnum;
1410 }
1411
1412 /*
1413 * On an interrupt or an aborting error not converted to an exception,
1414 * disable the conversion of errors to exceptions. (Interrupts are not
1415 * converted any more, here.) This enables also the interrupt message
1416 * when force_abort is set and did_emsg unset in case of an interrupt
1417 * from a finally clause after an error.
1418 */
1419 else if (got_int || (did_emsg && force_abort))
1420 suppress_errthrow = TRUE;
1421 }
1422
1423 /*
1424 * The current cstack will be freed when do_cmdline() returns. An uncaught
1425 * exception will have to be rethrown in the previous cstack. If a function
1426 * has just returned or a script file was just finished and the previous
1427 * cstack belongs to the same function or, respectively, script file, it
1428 * will have to be checked for finally clauses to be executed due to the
1429 * ":return" or ":finish". This is done in do_one_cmd().
1430 */
1431 if (did_throw)
1432 need_rethrow = TRUE;
1433 if ((getline_equal(getline, cookie, getsourceline)
1434 && ex_nesting_level > source_level(real_cookie))
1435 || (getline_equal(getline, cookie, get_func_line)
1436 && ex_nesting_level > func_level(real_cookie) + 1))
1437 {
1438 if (!did_throw)
1439 check_cstack = TRUE;
1440 }
1441 else
1442 {
1443 /* When leaving a function, reduce nesting level. */
1444 if (getline_equal(getline, cookie, get_func_line))
1445 --ex_nesting_level;
1446 /*
1447 * Go to debug mode when returning from a function in which we are
1448 * single-stepping.
1449 */
1450 if ((getline_equal(getline, cookie, getsourceline)
1451 || getline_equal(getline, cookie, get_func_line))
1452 && ex_nesting_level + 1 <= debug_break_level)
1453 do_debug(getline_equal(getline, cookie, getsourceline)
1454 ? (char_u *)_("End of sourced file")
1455 : (char_u *)_("End of function"));
1456 }
1457
1458 /*
1459 * Restore the exception environment (done after returning from the
1460 * debugger).
1461 */
1462 if (flags & DOCMD_EXCRESET)
1463 restore_dbg_stuff(&debug_saved);
1464
1465 msg_list = saved_msg_list;
1466 #endif /* FEAT_EVAL */
1467
1468 /*
1469 * If there was too much output to fit on the command line, ask the user to
1470 * hit return before redrawing the screen. With the ":global" command we do
1471 * this only once after the command is finished.
1472 */
1473 if (did_inc)
1474 {
1475 --RedrawingDisabled;
1476 --no_wait_return;
1477 msg_scroll = FALSE;
1478
1479 /*
1480 * When just finished an ":if"-":else" which was typed, no need to
1481 * wait for hit-return. Also for an error situation.
1482 */
1483 if (retval == FAIL
1484 #ifdef FEAT_EVAL
1485 || (did_endif && KeyTyped && !did_emsg)
1486 #endif
1487 )
1488 {
1489 need_wait_return = FALSE;
1490 msg_didany = FALSE; /* don't wait when restarting edit */
1491 }
1492 else if (need_wait_return)
1493 {
1494 /*
1495 * The msg_start() above clears msg_didout. The wait_return we do
1496 * here should not overwrite the command that may be shown before
1497 * doing that.
1498 */
1499 msg_didout |= msg_didout_before_start;
1500 wait_return(FALSE);
1501 }
1502 }
1503
1504 #ifndef FEAT_EVAL
1505 /*
1506 * Reset if_level, in case a sourced script file contains more ":if" than
1507 * ":endif" (could be ":if x | foo | endif").
1508 */
1509 if_level = 0;
1510 #endif
1511
1512 --call_depth;
1513 return retval;
1514 }
1515
1516 #ifdef FEAT_EVAL
1517 /*
1518 * Obtain a line when inside a ":while" or ":for" loop.
1519 */
1520 static char_u *
1521 get_loop_line(c, cookie, indent)
1522 int c;
1523 void *cookie;
1524 int indent;
1525 {
1526 struct loop_cookie *cp = (struct loop_cookie *)cookie;
1527 wcmd_T *wp;
1528 char_u *line;
1529
1530 if (cp->current_line + 1 >= cp->lines_gap->ga_len)
1531 {
1532 if (cp->repeating)
1533 return NULL; /* trying to read past ":endwhile"/":endfor" */
1534
1535 /* First time inside the ":while"/":for": get line normally. */
1536 if (cp->getline == NULL)
1537 line = getcmdline(c, 0L, indent);
1538 else
1539 line = cp->getline(c, cp->cookie, indent);
1540 if (line != NULL && store_loop_line(cp->lines_gap, line) == OK)
1541 ++cp->current_line;
1542
1543 return line;
1544 }
1545
1546 KeyTyped = FALSE;
1547 ++cp->current_line;
1548 wp = (wcmd_T *)(cp->lines_gap->ga_data) + cp->current_line;
1549 sourcing_lnum = wp->lnum;
1550 return vim_strsave(wp->line);
1551 }
1552
1553 /*
1554 * Store a line in "gap" so that a ":while" loop can execute it again.
1555 */
1556 static int
1557 store_loop_line(gap, line)
1558 garray_T *gap;
1559 char_u *line;
1560 {
1561 if (ga_grow(gap, 1) == FAIL)
1562 return FAIL;
1563 ((wcmd_T *)(gap->ga_data))[gap->ga_len].line = vim_strsave(line);
1564 ((wcmd_T *)(gap->ga_data))[gap->ga_len].lnum = sourcing_lnum;
1565 ++gap->ga_len;
1566 return OK;
1567 }
1568
1569 /*
1570 * Free the lines stored for a ":while" or ":for" loop.
1571 */
1572 static void
1573 free_cmdlines(gap)
1574 garray_T *gap;
1575 {
1576 while (gap->ga_len > 0)
1577 {
1578 vim_free(((wcmd_T *)(gap->ga_data))[gap->ga_len - 1].line);
1579 --gap->ga_len;
1580 }
1581 }
1582 #endif
1583
1584 /*
1585 * If "fgetline" is get_loop_line(), return TRUE if the getline it uses equals
1586 * "func". * Otherwise return TRUE when "fgetline" equals "func".
1587 */
1588 int
1589 getline_equal(fgetline, cookie, func)
1590 char_u *(*fgetline) __ARGS((int, void *, int));
1591 void *cookie UNUSED; /* 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 void *
1620 getline_cookie(fgetline, cookie)
1621 char_u *(*fgetline) __ARGS((int, void *, int)) UNUSED;
1622 void *cookie; /* argument for fgetline() */
1623 {
1624 # ifdef FEAT_EVAL
1625 char_u *(*gp) __ARGS((int, void *, int));
1626 struct loop_cookie *cp;
1627
1628 /* When "fgetline" is "get_loop_line()" use the "cookie" to find the
1629 * cookie that's originally used to obtain the lines. This may be nested
1630 * several levels. */
1631 gp = fgetline;
1632 cp = (struct loop_cookie *)cookie;
1633 while (gp == get_loop_line)
1634 {
1635 gp = cp->getline;
1636 cp = cp->cookie;
1637 }
1638 return cp;
1639 # else
1640 return cookie;
1641 # endif
1642 }
1643 #endif
1644
1645 /*
1646 * Execute one Ex command.
1647 *
1648 * If 'sourcing' is TRUE, the command will be included in the error message.
1649 *
1650 * 1. skip comment lines and leading space
1651 * 2. handle command modifiers
1652 * 3. parse range
1653 * 4. parse command
1654 * 5. parse arguments
1655 * 6. switch on command name
1656 *
1657 * Note: "fgetline" can be NULL.
1658 *
1659 * This function may be called recursively!
1660 */
1661 #if (_MSC_VER == 1200)
1662 /*
1663 * Avoid optimisation bug in VC++ version 6.0
1664 */
1665 #pragma optimize( "g", off )
1666 #endif
1667 static char_u *
1668 do_one_cmd(cmdlinep, sourcing,
1669 #ifdef FEAT_EVAL
1670 cstack,
1671 #endif
1672 fgetline, cookie)
1673 char_u **cmdlinep;
1674 int sourcing;
1675 #ifdef FEAT_EVAL
1676 struct condstack *cstack;
1677 #endif
1678 char_u *(*fgetline) __ARGS((int, void *, int));
1679 void *cookie; /* argument for fgetline() */
1680 {
1681 char_u *p;
1682 linenr_T lnum;
1683 long n;
1684 char_u *errormsg = NULL; /* error message */
1685 exarg_T ea; /* Ex command arguments */
1686 long verbose_save = -1;
1687 int save_msg_scroll = msg_scroll;
1688 int save_msg_silent = -1;
1689 int did_esilent = 0;
1690 #ifdef HAVE_SANDBOX
1691 int did_sandbox = FALSE;
1692 #endif
1693 cmdmod_T save_cmdmod;
1694 int ni; /* set when Not Implemented */
1695
1696 vim_memset(&ea, 0, sizeof(ea));
1697 ea.line1 = 1;
1698 ea.line2 = 1;
1699 #ifdef FEAT_EVAL
1700 ++ex_nesting_level;
1701 #endif
1702
1703 /* when not editing the last file :q has to be typed twice */
1704 if (quitmore
1705 #ifdef FEAT_EVAL
1706 /* avoid that a function call in 'statusline' does this */
1707 && !getline_equal(fgetline, cookie, get_func_line)
1708 #endif
1709 )
1710 --quitmore;
1711
1712 /*
1713 * Reset browse, confirm, etc.. They are restored when returning, for
1714 * recursive calls.
1715 */
1716 save_cmdmod = cmdmod;
1717 vim_memset(&cmdmod, 0, sizeof(cmdmod));
1718
1719 /* "#!anything" is handled like a comment. */
1720 if ((*cmdlinep)[0] == '#' && (*cmdlinep)[1] == '!')
1721 goto doend;
1722
1723 /*
1724 * Repeat until no more command modifiers are found.
1725 */
1726 ea.cmd = *cmdlinep;
1727 for (;;)
1728 {
1729 /*
1730 * 1. skip comment lines and leading white space and colons
1731 */
1732 while (*ea.cmd == ' ' || *ea.cmd == '\t' || *ea.cmd == ':')
1733 ++ea.cmd;
1734
1735 /* in ex mode, an empty line works like :+ */
1736 if (*ea.cmd == NUL && exmode_active
1737 && (getline_equal(fgetline, cookie, getexmodeline)
1738 || getline_equal(fgetline, cookie, getexline))
1739 && curwin->w_cursor.lnum < curbuf->b_ml.ml_line_count)
1740 {
1741 ea.cmd = (char_u *)"+";
1742 ex_pressedreturn = TRUE;
1743 }
1744
1745 /* ignore comment and empty lines */
1746 if (*ea.cmd == '"')
1747 goto doend;
1748 if (*ea.cmd == NUL)
1749 {
1750 ex_pressedreturn = TRUE;
1751 goto doend;
1752 }
1753
1754 /*
1755 * 2. handle command modifiers.
1756 */
1757 p = ea.cmd;
1758 if (VIM_ISDIGIT(*ea.cmd))
1759 p = skipwhite(skipdigits(ea.cmd));
1760 switch (*p)
1761 {
1762 /* When adding an entry, also modify cmd_exists(). */
1763 case 'a': if (!checkforcmd(&ea.cmd, "aboveleft", 3))
1764 break;
1765 #ifdef FEAT_WINDOWS
1766 cmdmod.split |= WSP_ABOVE;
1767 #endif
1768 continue;
1769
1770 case 'b': if (checkforcmd(&ea.cmd, "belowright", 3))
1771 {
1772 #ifdef FEAT_WINDOWS
1773 cmdmod.split |= WSP_BELOW;
1774 #endif
1775 continue;
1776 }
1777 if (checkforcmd(&ea.cmd, "browse", 3))
1778 {
1779 #ifdef FEAT_BROWSE_CMD
1780 cmdmod.browse = TRUE;
1781 #endif
1782 continue;
1783 }
1784 if (!checkforcmd(&ea.cmd, "botright", 2))
1785 break;
1786 #ifdef FEAT_WINDOWS
1787 cmdmod.split |= WSP_BOT;
1788 #endif
1789 continue;
1790
1791 case 'c': if (!checkforcmd(&ea.cmd, "confirm", 4))
1792 break;
1793 #if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG)
1794 cmdmod.confirm = TRUE;
1795 #endif
1796 continue;
1797
1798 case 'k': if (checkforcmd(&ea.cmd, "keepmarks", 3))
1799 {
1800 cmdmod.keepmarks = TRUE;
1801 continue;
1802 }
1803 if (checkforcmd(&ea.cmd, "keepalt", 5))
1804 {
1805 cmdmod.keepalt = TRUE;
1806 continue;
1807 }
1808 if (!checkforcmd(&ea.cmd, "keepjumps", 5))
1809 break;
1810 cmdmod.keepjumps = TRUE;
1811 continue;
1812
1813 /* ":hide" and ":hide | cmd" are not modifiers */
1814 case 'h': if (p != ea.cmd || !checkforcmd(&p, "hide", 3)
1815 || *p == NUL || ends_excmd(*p))
1816 break;
1817 ea.cmd = p;
1818 cmdmod.hide = TRUE;
1819 continue;
1820
1821 case 'l': if (checkforcmd(&ea.cmd, "lockmarks", 3))
1822 {
1823 cmdmod.lockmarks = TRUE;
1824 continue;
1825 }
1826
1827 if (!checkforcmd(&ea.cmd, "leftabove", 5))
1828 break;
1829 #ifdef FEAT_WINDOWS
1830 cmdmod.split |= WSP_ABOVE;
1831 #endif
1832 continue;
1833
1834 case 'n': if (!checkforcmd(&ea.cmd, "noautocmd", 3))
1835 break;
1836 #ifdef FEAT_AUTOCMD
1837 if (cmdmod.save_ei == NULL)
1838 {
1839 /* Set 'eventignore' to "all". Restore the
1840 * existing option value later. */
1841 cmdmod.save_ei = vim_strsave(p_ei);
1842 set_string_option_direct((char_u *)"ei", -1,
1843 (char_u *)"all", OPT_FREE, SID_NONE);
1844 }
1845 #endif
1846 continue;
1847
1848 case 'r': if (!checkforcmd(&ea.cmd, "rightbelow", 6))
1849 break;
1850 #ifdef FEAT_WINDOWS
1851 cmdmod.split |= WSP_BELOW;
1852 #endif
1853 continue;
1854
1855 case 's': if (checkforcmd(&ea.cmd, "sandbox", 3))
1856 {
1857 #ifdef HAVE_SANDBOX
1858 if (!did_sandbox)
1859 ++sandbox;
1860 did_sandbox = TRUE;
1861 #endif
1862 continue;
1863 }
1864 if (!checkforcmd(&ea.cmd, "silent", 3))
1865 break;
1866 if (save_msg_silent == -1)
1867 save_msg_silent = msg_silent;
1868 ++msg_silent;
1869 if (*ea.cmd == '!' && !vim_iswhite(ea.cmd[-1]))
1870 {
1871 /* ":silent!", but not "silent !cmd" */
1872 ea.cmd = skipwhite(ea.cmd + 1);
1873 ++emsg_silent;
1874 ++did_esilent;
1875 }
1876 continue;
1877
1878 case 't': if (checkforcmd(&p, "tab", 3))
1879 {
1880 #ifdef FEAT_WINDOWS
1881 if (vim_isdigit(*ea.cmd))
1882 cmdmod.tab = atoi((char *)ea.cmd) + 1;
1883 else
1884 cmdmod.tab = tabpage_index(curtab) + 1;
1885 ea.cmd = p;
1886 #endif
1887 continue;
1888 }
1889 if (!checkforcmd(&ea.cmd, "topleft", 2))
1890 break;
1891 #ifdef FEAT_WINDOWS
1892 cmdmod.split |= WSP_TOP;
1893 #endif
1894 continue;
1895
1896 case 'u': if (!checkforcmd(&ea.cmd, "unsilent", 3))
1897 break;
1898 if (save_msg_silent == -1)
1899 save_msg_silent = msg_silent;
1900 msg_silent = 0;
1901 continue;
1902
1903 case 'v': if (checkforcmd(&ea.cmd, "vertical", 4))
1904 {
1905 #ifdef FEAT_VERTSPLIT
1906 cmdmod.split |= WSP_VERT;
1907 #endif
1908 continue;
1909 }
1910 if (!checkforcmd(&p, "verbose", 4))
1911 break;
1912 if (verbose_save < 0)
1913 verbose_save = p_verbose;
1914 if (vim_isdigit(*ea.cmd))
1915 p_verbose = atoi((char *)ea.cmd);
1916 else
1917 p_verbose = 1;
1918 ea.cmd = p;
1919 continue;
1920 }
1921 break;
1922 }
1923
1924 #ifdef FEAT_EVAL
1925 ea.skip = did_emsg || got_int || did_throw || (cstack->cs_idx >= 0
1926 && !(cstack->cs_flags[cstack->cs_idx] & CSF_ACTIVE));
1927 #else
1928 ea.skip = (if_level > 0);
1929 #endif
1930
1931 #ifdef FEAT_EVAL
1932 # ifdef FEAT_PROFILE
1933 /* Count this line for profiling if ea.skip is FALSE. */
1934 if (do_profiling == PROF_YES && !ea.skip)
1935 {
1936 if (getline_equal(fgetline, cookie, get_func_line))
1937 func_line_exec(getline_cookie(fgetline, cookie));
1938 else if (getline_equal(fgetline, cookie, getsourceline))
1939 script_line_exec();
1940 }
1941 #endif
1942
1943 /* May go to debug mode. If this happens and the ">quit" debug command is
1944 * used, throw an interrupt exception and skip the next command. */
1945 dbg_check_breakpoint(&ea);
1946 if (!ea.skip && got_int)
1947 {
1948 ea.skip = TRUE;
1949 (void)do_intthrow(cstack);
1950 }
1951 #endif
1952
1953 /*
1954 * 3. parse a range specifier of the form: addr [,addr] [;addr] ..
1955 *
1956 * where 'addr' is:
1957 *
1958 * % (entire file)
1959 * $ [+-NUM]
1960 * 'x [+-NUM] (where x denotes a currently defined mark)
1961 * . [+-NUM]
1962 * [+-NUM]..
1963 * NUM
1964 *
1965 * The ea.cmd pointer is updated to point to the first character following the
1966 * range spec. If an initial address is found, but no second, the upper bound
1967 * is equal to the lower.
1968 */
1969
1970 /* repeat for all ',' or ';' separated addresses */
1971 for (;;)
1972 {
1973 ea.line1 = ea.line2;
1974 ea.line2 = curwin->w_cursor.lnum; /* default is current line number */
1975 ea.cmd = skipwhite(ea.cmd);
1976 lnum = get_address(&ea.cmd, ea.skip, ea.addr_count == 0);
1977 if (ea.cmd == NULL) /* error detected */
1978 goto doend;
1979 if (lnum == MAXLNUM)
1980 {
1981 if (*ea.cmd == '%') /* '%' - all lines */
1982 {
1983 ++ea.cmd;
1984 ea.line1 = 1;
1985 ea.line2 = curbuf->b_ml.ml_line_count;
1986 ++ea.addr_count;
1987 }
1988 /* '*' - visual area */
1989 else if (*ea.cmd == '*' && vim_strchr(p_cpo, CPO_STAR) == NULL)
1990 {
1991 pos_T *fp;
1992
1993 ++ea.cmd;
1994 if (!ea.skip)
1995 {
1996 fp = getmark('<', FALSE);
1997 if (check_mark(fp) == FAIL)
1998 goto doend;
1999 ea.line1 = fp->lnum;
2000 fp = getmark('>', FALSE);
2001 if (check_mark(fp) == FAIL)
2002 goto doend;
2003 ea.line2 = fp->lnum;
2004 ++ea.addr_count;
2005 }
2006 }
2007 }
2008 else
2009 ea.line2 = lnum;
2010 ea.addr_count++;
2011
2012 if (*ea.cmd == ';')
2013 {
2014 if (!ea.skip)
2015 curwin->w_cursor.lnum = ea.line2;
2016 }
2017 else if (*ea.cmd != ',')
2018 break;
2019 ++ea.cmd;
2020 }
2021
2022 /* One address given: set start and end lines */
2023 if (ea.addr_count == 1)
2024 {
2025 ea.line1 = ea.line2;
2026 /* ... but only implicit: really no address given */
2027 if (lnum == MAXLNUM)
2028 ea.addr_count = 0;
2029 }
2030
2031 /* Don't leave the cursor on an illegal line (caused by ';') */
2032 check_cursor_lnum();
2033
2034 /*
2035 * 4. parse command
2036 */
2037
2038 /*
2039 * Skip ':' and any white space
2040 */
2041 ea.cmd = skipwhite(ea.cmd);
2042 while (*ea.cmd == ':')
2043 ea.cmd = skipwhite(ea.cmd + 1);
2044
2045 /*
2046 * If we got a line, but no command, then go to the line.
2047 * If we find a '|' or '\n' we set ea.nextcmd.
2048 */
2049 if (*ea.cmd == NUL || *ea.cmd == '"' ||
2050 (ea.nextcmd = check_nextcmd(ea.cmd)) != NULL)
2051 {
2052 /*
2053 * strange vi behaviour:
2054 * ":3" jumps to line 3
2055 * ":3|..." prints line 3
2056 * ":|" prints current line
2057 */
2058 if (ea.skip) /* skip this if inside :if */
2059 goto doend;
2060 if (*ea.cmd == '|' || (exmode_active && ea.line1 != ea.line2))
2061 {
2062 ea.cmdidx = CMD_print;
2063 ea.argt = RANGE+COUNT+TRLBAR;
2064 if ((errormsg = invalid_range(&ea)) == NULL)
2065 {
2066 correct_range(&ea);
2067 ex_print(&ea);
2068 }
2069 }
2070 else if (ea.addr_count != 0)
2071 {
2072 if (ea.line2 > curbuf->b_ml.ml_line_count)
2073 {
2074 /* With '-' in 'cpoptions' a line number past the file is an
2075 * error, otherwise put it at the end of the file. */
2076 if (vim_strchr(p_cpo, CPO_MINUS) != NULL)
2077 ea.line2 = -1;
2078 else
2079 ea.line2 = curbuf->b_ml.ml_line_count;
2080 }
2081
2082 if (ea.line2 < 0)
2083 errormsg = (char_u *)_(e_invrange);
2084 else
2085 {
2086 if (ea.line2 == 0)
2087 curwin->w_cursor.lnum = 1;
2088 else
2089 curwin->w_cursor.lnum = ea.line2;
2090 beginline(BL_SOL | BL_FIX);
2091 }
2092 }
2093 goto doend;
2094 }
2095
2096 /* Find the command and let "p" point to after it. */
2097 p = find_command(&ea, NULL);
2098
2099 #ifdef FEAT_USR_CMDS
2100 if (p == NULL)
2101 {
2102 if (!ea.skip)
2103 errormsg = (char_u *)_("E464: Ambiguous use of user-defined command");
2104 goto doend;
2105 }
2106 /* Check for wrong commands. */
2107 if (*p == '!' && ea.cmd[1] == 0151 && ea.cmd[0] == 78)
2108 {
2109 errormsg = uc_fun_cmd();
2110 goto doend;
2111 }
2112 #endif
2113 if (ea.cmdidx == CMD_SIZE)
2114 {
2115 if (!ea.skip)
2116 {
2117 STRCPY(IObuff, _("E492: Not an editor command"));
2118 if (!sourcing)
2119 {
2120 STRCAT(IObuff, ": ");
2121 STRNCAT(IObuff, *cmdlinep, 40);
2122 }
2123 errormsg = IObuff;
2124 }
2125 goto doend;
2126 }
2127
2128 ni = (
2129 #ifdef FEAT_USR_CMDS
2130 !USER_CMDIDX(ea.cmdidx) &&
2131 #endif
2132 (cmdnames[ea.cmdidx].cmd_func == ex_ni
2133 #ifdef HAVE_EX_SCRIPT_NI
2134 || cmdnames[ea.cmdidx].cmd_func == ex_script_ni
2135 #endif
2136 ));
2137
2138 #ifndef FEAT_EVAL
2139 /*
2140 * When the expression evaluation is disabled, recognize the ":if" and
2141 * ":endif" commands and ignore everything in between it.
2142 */
2143 if (ea.cmdidx == CMD_if)
2144 ++if_level;
2145 if (if_level)
2146 {
2147 if (ea.cmdidx == CMD_endif)
2148 --if_level;
2149 goto doend;
2150 }
2151
2152 #endif
2153
2154 /* forced commands */
2155 if (*p == '!' && ea.cmdidx != CMD_substitute
2156 && ea.cmdidx != CMD_smagic && ea.cmdidx != CMD_snomagic)
2157 {
2158 ++p;
2159 ea.forceit = TRUE;
2160 }
2161 else
2162 ea.forceit = FALSE;
2163
2164 /*
2165 * 5. parse arguments
2166 */
2167 #ifdef FEAT_USR_CMDS
2168 if (!USER_CMDIDX(ea.cmdidx))
2169 #endif
2170 ea.argt = (long)cmdnames[(int)ea.cmdidx].cmd_argt;
2171
2172 if (!ea.skip)
2173 {
2174 #ifdef HAVE_SANDBOX
2175 if (sandbox != 0 && !(ea.argt & SBOXOK))
2176 {
2177 /* Command not allowed in sandbox. */
2178 errormsg = (char_u *)_(e_sandbox);
2179 goto doend;
2180 }
2181 #endif
2182 if (!curbuf->b_p_ma && (ea.argt & MODIFY))
2183 {
2184 /* Command not allowed in non-'modifiable' buffer */
2185 errormsg = (char_u *)_(e_modifiable);
2186 goto doend;
2187 }
2188
2189 if (text_locked() && !(ea.argt & CMDWIN)
2190 # ifdef FEAT_USR_CMDS
2191 && !USER_CMDIDX(ea.cmdidx)
2192 # endif
2193 )
2194 {
2195 /* Command not allowed when editing the command line. */
2196 #ifdef FEAT_CMDWIN
2197 if (cmdwin_type != 0)
2198 errormsg = (char_u *)_(e_cmdwin);
2199 else
2200 #endif
2201 errormsg = (char_u *)_(e_secure);
2202 goto doend;
2203 }
2204 #ifdef FEAT_AUTOCMD
2205 /* Disallow editing another buffer when "curbuf_lock" is set.
2206 * Do allow ":edit" (check for argument later).
2207 * Do allow ":checktime" (it's postponed). */
2208 if (!(ea.argt & CMDWIN)
2209 && ea.cmdidx != CMD_edit
2210 && ea.cmdidx != CMD_checktime
2211 # ifdef FEAT_USR_CMDS
2212 && !USER_CMDIDX(ea.cmdidx)
2213 # endif
2214 && curbuf_locked())
2215 goto doend;
2216 #endif
2217
2218 if (!ni && !(ea.argt & RANGE) && ea.addr_count > 0)
2219 {
2220 /* no range allowed */
2221 errormsg = (char_u *)_(e_norange);
2222 goto doend;
2223 }
2224 }
2225
2226 if (!ni && !(ea.argt & BANG) && ea.forceit) /* no <!> allowed */
2227 {
2228 errormsg = (char_u *)_(e_nobang);
2229 goto doend;
2230 }
2231
2232 /*
2233 * Don't complain about the range if it is not used
2234 * (could happen if line_count is accidentally set to 0).
2235 */
2236 if (!ea.skip && !ni)
2237 {
2238 /*
2239 * If the range is backwards, ask for confirmation and, if given, swap
2240 * ea.line1 & ea.line2 so it's forwards again.
2241 * When global command is busy, don't ask, will fail below.
2242 */
2243 if (!global_busy && ea.line1 > ea.line2)
2244 {
2245 if (msg_silent == 0)
2246 {
2247 if (sourcing || exmode_active)
2248 {
2249 errormsg = (char_u *)_("E493: Backwards range given");
2250 goto doend;
2251 }
2252 if (ask_yesno((char_u *)
2253 _("Backwards range given, OK to swap"), FALSE) != 'y')
2254 goto doend;
2255 }
2256 lnum = ea.line1;
2257 ea.line1 = ea.line2;
2258 ea.line2 = lnum;
2259 }
2260 if ((errormsg = invalid_range(&ea)) != NULL)
2261 goto doend;
2262 }
2263
2264 if ((ea.argt & NOTADR) && ea.addr_count == 0) /* default is 1, not cursor */
2265 ea.line2 = 1;
2266
2267 correct_range(&ea);
2268
2269 #ifdef FEAT_FOLDING
2270 if (((ea.argt & WHOLEFOLD) || ea.addr_count >= 2) && !global_busy)
2271 {
2272 /* Put the first line at the start of a closed fold, put the last line
2273 * at the end of a closed fold. */
2274 (void)hasFolding(ea.line1, &ea.line1, NULL);
2275 (void)hasFolding(ea.line2, NULL, &ea.line2);
2276 }
2277 #endif
2278
2279 #ifdef FEAT_QUICKFIX
2280 /*
2281 * For the ":make" and ":grep" commands we insert the 'makeprg'/'grepprg'
2282 * option here, so things like % get expanded.
2283 */
2284 p = replace_makeprg(&ea, p, cmdlinep);
2285 if (p == NULL)
2286 goto doend;
2287 #endif
2288
2289 /*
2290 * Skip to start of argument.
2291 * Don't do this for the ":!" command, because ":!! -l" needs the space.
2292 */
2293 if (ea.cmdidx == CMD_bang)
2294 ea.arg = p;
2295 else
2296 ea.arg = skipwhite(p);
2297
2298 /*
2299 * Check for "++opt=val" argument.
2300 * Must be first, allow ":w ++enc=utf8 !cmd"
2301 */
2302 if (ea.argt & ARGOPT)
2303 while (ea.arg[0] == '+' && ea.arg[1] == '+')
2304 if (getargopt(&ea) == FAIL && !ni)
2305 {
2306 errormsg = (char_u *)_(e_invarg);
2307 goto doend;
2308 }
2309
2310 if (ea.cmdidx == CMD_write || ea.cmdidx == CMD_update)
2311 {
2312 if (*ea.arg == '>') /* append */
2313 {
2314 if (*++ea.arg != '>') /* typed wrong */
2315 {
2316 errormsg = (char_u *)_("E494: Use w or w>>");
2317 goto doend;
2318 }
2319 ea.arg = skipwhite(ea.arg + 1);
2320 ea.append = TRUE;
2321 }
2322 else if (*ea.arg == '!' && ea.cmdidx == CMD_write) /* :w !filter */
2323 {
2324 ++ea.arg;
2325 ea.usefilter = TRUE;
2326 }
2327 }
2328
2329 if (ea.cmdidx == CMD_read)
2330 {
2331 if (ea.forceit)
2332 {
2333 ea.usefilter = TRUE; /* :r! filter if ea.forceit */
2334 ea.forceit = FALSE;
2335 }
2336 else if (*ea.arg == '!') /* :r !filter */
2337 {
2338 ++ea.arg;
2339 ea.usefilter = TRUE;
2340 }
2341 }
2342
2343 if (ea.cmdidx == CMD_lshift || ea.cmdidx == CMD_rshift)
2344 {
2345 ea.amount = 1;
2346 while (*ea.arg == *ea.cmd) /* count number of '>' or '<' */
2347 {
2348 ++ea.arg;
2349 ++ea.amount;
2350 }
2351 ea.arg = skipwhite(ea.arg);
2352 }
2353
2354 /*
2355 * Check for "+command" argument, before checking for next command.
2356 * Don't do this for ":read !cmd" and ":write !cmd".
2357 */
2358 if ((ea.argt & EDITCMD) && !ea.usefilter)
2359 ea.do_ecmd_cmd = getargcmd(&ea.arg);
2360
2361 /*
2362 * Check for '|' to separate commands and '"' to start comments.
2363 * Don't do this for ":read !cmd" and ":write !cmd".
2364 */
2365 if ((ea.argt & TRLBAR) && !ea.usefilter)
2366 separate_nextcmd(&ea);
2367
2368 /*
2369 * Check for <newline> to end a shell command.
2370 * Also do this for ":read !cmd", ":write !cmd" and ":global".
2371 * Any others?
2372 */
2373 else if (ea.cmdidx == CMD_bang
2374 || ea.cmdidx == CMD_global
2375 || ea.cmdidx == CMD_vglobal
2376 || ea.usefilter)
2377 {
2378 for (p = ea.arg; *p; ++p)
2379 {
2380 /* Remove one backslash before a newline, so that it's possible to
2381 * pass a newline to the shell and also a newline that is preceded
2382 * with a backslash. This makes it impossible to end a shell
2383 * command in a backslash, but that doesn't appear useful.
2384 * Halving the number of backslashes is incompatible with previous
2385 * versions. */
2386 if (*p == '\\' && p[1] == '\n')
2387 STRMOVE(p, p + 1);
2388 else if (*p == '\n')
2389 {
2390 ea.nextcmd = p + 1;
2391 *p = NUL;
2392 break;
2393 }
2394 }
2395 }
2396
2397 if ((ea.argt & DFLALL) && ea.addr_count == 0)
2398 {
2399 ea.line1 = 1;
2400 ea.line2 = curbuf->b_ml.ml_line_count;
2401 }
2402
2403 /* accept numbered register only when no count allowed (:put) */
2404 if ( (ea.argt & REGSTR)
2405 && *ea.arg != NUL
2406 #ifdef FEAT_USR_CMDS
2407 && valid_yank_reg(*ea.arg, (ea.cmdidx != CMD_put
2408 && USER_CMDIDX(ea.cmdidx)))
2409 /* Do not allow register = for user commands */
2410 && (!USER_CMDIDX(ea.cmdidx) || *ea.arg != '=')
2411 #else
2412 && valid_yank_reg(*ea.arg, ea.cmdidx != CMD_put)
2413 #endif
2414 && !((ea.argt & COUNT) && VIM_ISDIGIT(*ea.arg)))
2415 {
2416 ea.regname = *ea.arg++;
2417 #ifdef FEAT_EVAL
2418 /* for '=' register: accept the rest of the line as an expression */
2419 if (ea.arg[-1] == '=' && ea.arg[0] != NUL)
2420 {
2421 set_expr_line(vim_strsave(ea.arg));
2422 ea.arg += STRLEN(ea.arg);
2423 }
2424 #endif
2425 ea.arg = skipwhite(ea.arg);
2426 }
2427
2428 /*
2429 * Check for a count. When accepting a BUFNAME, don't use "123foo" as a
2430 * count, it's a buffer name.
2431 */
2432 if ((ea.argt & COUNT) && VIM_ISDIGIT(*ea.arg)
2433 && (!(ea.argt & BUFNAME) || *(p = skipdigits(ea.arg)) == NUL
2434 || vim_iswhite(*p)))
2435 {
2436 n = getdigits(&ea.arg);
2437 ea.arg = skipwhite(ea.arg);
2438 if (n <= 0 && !ni && (ea.argt & ZEROR) == 0)
2439 {
2440 errormsg = (char_u *)_(e_zerocount);
2441 goto doend;
2442 }
2443 if (ea.argt & NOTADR) /* e.g. :buffer 2, :sleep 3 */
2444 {
2445 ea.line2 = n;
2446 if (ea.addr_count == 0)
2447 ea.addr_count = 1;
2448 }
2449 else
2450 {
2451 ea.line1 = ea.line2;
2452 ea.line2 += n - 1;
2453 ++ea.addr_count;
2454 /*
2455 * Be vi compatible: no error message for out of range.
2456 */
2457 if (ea.line2 > curbuf->b_ml.ml_line_count)
2458 ea.line2 = curbuf->b_ml.ml_line_count;
2459 }
2460 }
2461
2462 /*
2463 * Check for flags: 'l', 'p' and '#'.
2464 */
2465 if (ea.argt & EXFLAGS)
2466 get_flags(&ea);
2467 /* no arguments allowed */
2468 if (!ni && !(ea.argt & EXTRA) && *ea.arg != NUL
2469 && *ea.arg != '"' && (*ea.arg != '|' || (ea.argt & TRLBAR) == 0))
2470 {
2471 errormsg = (char_u *)_(e_trailing);
2472 goto doend;
2473 }
2474
2475 if (!ni && (ea.argt & NEEDARG) && *ea.arg == NUL)
2476 {
2477 errormsg = (char_u *)_(e_argreq);
2478 goto doend;
2479 }
2480
2481 #ifdef FEAT_EVAL
2482 /*
2483 * Skip the command when it's not going to be executed.
2484 * The commands like :if, :endif, etc. always need to be executed.
2485 * Also make an exception for commands that handle a trailing command
2486 * themselves.
2487 */
2488 if (ea.skip)
2489 {
2490 switch (ea.cmdidx)
2491 {
2492 /* commands that need evaluation */
2493 case CMD_while:
2494 case CMD_endwhile:
2495 case CMD_for:
2496 case CMD_endfor:
2497 case CMD_if:
2498 case CMD_elseif:
2499 case CMD_else:
2500 case CMD_endif:
2501 case CMD_try:
2502 case CMD_catch:
2503 case CMD_finally:
2504 case CMD_endtry:
2505 case CMD_function:
2506 break;
2507
2508 /* Commands that handle '|' themselves. Check: A command should
2509 * either have the TRLBAR flag, appear in this list or appear in
2510 * the list at ":help :bar". */
2511 case CMD_aboveleft:
2512 case CMD_and:
2513 case CMD_belowright:
2514 case CMD_botright:
2515 case CMD_browse:
2516 case CMD_call:
2517 case CMD_confirm:
2518 case CMD_delfunction:
2519 case CMD_djump:
2520 case CMD_dlist:
2521 case CMD_dsearch:
2522 case CMD_dsplit:
2523 case CMD_echo:
2524 case CMD_echoerr:
2525 case CMD_echomsg:
2526 case CMD_echon:
2527 case CMD_execute:
2528 case CMD_help:
2529 case CMD_hide:
2530 case CMD_ijump:
2531 case CMD_ilist:
2532 case CMD_isearch:
2533 case CMD_isplit:
2534 case CMD_keepalt:
2535 case CMD_keepjumps:
2536 case CMD_keepmarks:
2537 case CMD_leftabove:
2538 case CMD_let:
2539 case CMD_lockmarks:
2540 case CMD_lua:
2541 case CMD_match:
2542 case CMD_mzscheme:
2543 case CMD_perl:
2544 case CMD_psearch:
2545 case CMD_python:
2546 case CMD_return:
2547 case CMD_rightbelow:
2548 case CMD_ruby:
2549 case CMD_silent:
2550 case CMD_smagic:
2551 case CMD_snomagic:
2552 case CMD_substitute:
2553 case CMD_syntax:
2554 case CMD_tab:
2555 case CMD_tcl:
2556 case CMD_throw:
2557 case CMD_tilde:
2558 case CMD_topleft:
2559 case CMD_unlet:
2560 case CMD_verbose:
2561 case CMD_vertical:
2562 break;
2563
2564 default: goto doend;
2565 }
2566 }
2567 #endif
2568
2569 if (ea.argt & XFILE)
2570 {
2571 if (expand_filename(&ea, cmdlinep, &errormsg) == FAIL)
2572 goto doend;
2573 }
2574
2575 #ifdef FEAT_LISTCMDS
2576 /*
2577 * Accept buffer name. Cannot be used at the same time with a buffer
2578 * number. Don't do this for a user command.
2579 */
2580 if ((ea.argt & BUFNAME) && *ea.arg != NUL && ea.addr_count == 0
2581 # ifdef FEAT_USR_CMDS
2582 && !USER_CMDIDX(ea.cmdidx)
2583 # endif
2584 )
2585 {
2586 /*
2587 * :bdelete, :bwipeout and :bunload take several arguments, separated
2588 * by spaces: find next space (skipping over escaped characters).
2589 * The others take one argument: ignore trailing spaces.
2590 */
2591 if (ea.cmdidx == CMD_bdelete || ea.cmdidx == CMD_bwipeout
2592 || ea.cmdidx == CMD_bunload)
2593 p = skiptowhite_esc(ea.arg);
2594 else
2595 {
2596 p = ea.arg + STRLEN(ea.arg);
2597 while (p > ea.arg && vim_iswhite(p[-1]))
2598 --p;
2599 }
2600 ea.line2 = buflist_findpat(ea.arg, p, (ea.argt & BUFUNL) != 0, FALSE);
2601 if (ea.line2 < 0) /* failed */
2602 goto doend;
2603 ea.addr_count = 1;
2604 ea.arg = skipwhite(p);
2605 }
2606 #endif
2607
2608 /*
2609 * 6. switch on command name
2610 *
2611 * The "ea" structure holds the arguments that can be used.
2612 */
2613 ea.cmdlinep = cmdlinep;
2614 ea.getline = fgetline;
2615 ea.cookie = cookie;
2616 #ifdef FEAT_EVAL
2617 ea.cstack = cstack;
2618 #endif
2619
2620 #ifdef FEAT_USR_CMDS
2621 if (USER_CMDIDX(ea.cmdidx))
2622 {
2623 /*
2624 * Execute a user-defined command.
2625 */
2626 do_ucmd(&ea);
2627 }
2628 else
2629 #endif
2630 {
2631 /*
2632 * Call the function to execute the command.
2633 */
2634 ea.errmsg = NULL;
2635 (cmdnames[ea.cmdidx].cmd_func)(&ea);
2636 if (ea.errmsg != NULL)
2637 errormsg = (char_u *)_(ea.errmsg);
2638 }
2639
2640 #ifdef FEAT_EVAL
2641 /*
2642 * If the command just executed called do_cmdline(), any throw or ":return"
2643 * or ":finish" encountered there must also check the cstack of the still
2644 * active do_cmdline() that called this do_one_cmd(). Rethrow an uncaught
2645 * exception, or reanimate a returned function or finished script file and
2646 * return or finish it again.
2647 */
2648 if (need_rethrow)
2649 do_throw(cstack);
2650 else if (check_cstack)
2651 {
2652 if (source_finished(fgetline, cookie))
2653 do_finish(&ea, TRUE);
2654 else if (getline_equal(fgetline, cookie, get_func_line)
2655 && current_func_returned())
2656 do_return(&ea, TRUE, FALSE, NULL);
2657 }
2658 need_rethrow = check_cstack = FALSE;
2659 #endif
2660
2661 doend:
2662 if (curwin->w_cursor.lnum == 0) /* can happen with zero line number */
2663 curwin->w_cursor.lnum = 1;
2664
2665 if (errormsg != NULL && *errormsg != NUL && !did_emsg)
2666 {
2667 if (sourcing)
2668 {
2669 if (errormsg != IObuff)
2670 {
2671 STRCPY(IObuff, errormsg);
2672 errormsg = IObuff;
2673 }
2674 STRCAT(errormsg, ": ");
2675 STRNCAT(errormsg, *cmdlinep, IOSIZE - STRLEN(IObuff) - 1);
2676 }
2677 emsg(errormsg);
2678 }
2679 #ifdef FEAT_EVAL
2680 do_errthrow(cstack,
2681 (ea.cmdidx != CMD_SIZE
2682 # ifdef FEAT_USR_CMDS
2683 && !USER_CMDIDX(ea.cmdidx)
2684 # endif
2685 ) ? cmdnames[(int)ea.cmdidx].cmd_name : (char_u *)NULL);
2686 #endif
2687
2688 if (verbose_save >= 0)
2689 p_verbose = verbose_save;
2690 #ifdef FEAT_AUTOCMD
2691 if (cmdmod.save_ei != NULL)
2692 {
2693 /* Restore 'eventignore' to the value before ":noautocmd". */
2694 set_string_option_direct((char_u *)"ei", -1, cmdmod.save_ei,
2695 OPT_FREE, SID_NONE);
2696 free_string_option(cmdmod.save_ei);
2697 }
2698 #endif
2699
2700 cmdmod = save_cmdmod;
2701
2702 if (save_msg_silent != -1)
2703 {
2704 /* messages could be enabled for a serious error, need to check if the
2705 * counters don't become negative */
2706 if (!did_emsg || msg_silent > save_msg_silent)
2707 msg_silent = save_msg_silent;
2708 emsg_silent -= did_esilent;
2709 if (emsg_silent < 0)
2710 emsg_silent = 0;
2711 /* Restore msg_scroll, it's set by file I/O commands, even when no
2712 * message is actually displayed. */
2713 msg_scroll = save_msg_scroll;
2714
2715 /* "silent reg" or "silent echo x" inside "redir" leaves msg_col
2716 * somewhere in the line. Put it back in the first column. */
2717 if (redirecting())
2718 msg_col = 0;
2719 }
2720
2721 #ifdef HAVE_SANDBOX
2722 if (did_sandbox)
2723 --sandbox;
2724 #endif
2725
2726 if (ea.nextcmd && *ea.nextcmd == NUL) /* not really a next command */
2727 ea.nextcmd = NULL;
2728
2729 #ifdef FEAT_EVAL
2730 --ex_nesting_level;
2731 #endif
2732
2733 return ea.nextcmd;
2734 }
2735 #if (_MSC_VER == 1200)
2736 #pragma optimize( "", on )
2737 #endif
2738
2739 /*
2740 * Check for an Ex command with optional tail.
2741 * If there is a match advance "pp" to the argument and return TRUE.
2742 */
2743 int
2744 checkforcmd(pp, cmd, len)
2745 char_u **pp; /* start of command */
2746 char *cmd; /* name of command */
2747 int len; /* required length */
2748 {
2749 int i;
2750
2751 for (i = 0; cmd[i] != NUL; ++i)
2752 if (((char_u *)cmd)[i] != (*pp)[i])
2753 break;
2754 if (i >= len && !isalpha((*pp)[i]))
2755 {
2756 *pp = skipwhite(*pp + i);
2757 return TRUE;
2758 }
2759 return FALSE;
2760 }
2761
2762 /*
2763 * Find an Ex command by its name, either built-in or user.
2764 * Start of the name can be found at eap->cmd.
2765 * Returns pointer to char after the command name.
2766 * "full" is set to TRUE if the whole command name matched.
2767 * Returns NULL for an ambiguous user command.
2768 */
2769 static char_u *
2770 find_command(eap, full)
2771 exarg_T *eap;
2772 int *full UNUSED;
2773 {
2774 int len;
2775 char_u *p;
2776 int i;
2777
2778 /*
2779 * Isolate the command and search for it in the command table.
2780 * Exceptions:
2781 * - the 'k' command can directly be followed by any character.
2782 * - the 's' command can be followed directly by 'c', 'g', 'i', 'I' or 'r'
2783 * but :sre[wind] is another command, as are :scrip[tnames],
2784 * :scs[cope], :sim[alt], :sig[ns] and :sil[ent].
2785 * - the "d" command can directly be followed by 'l' or 'p' flag.
2786 */
2787 p = eap->cmd;
2788 if (*p == 'k')
2789 {
2790 eap->cmdidx = CMD_k;
2791 ++p;
2792 }
2793 else if (p[0] == 's'
2794 && ((p[1] == 'c' && p[2] != 's' && p[2] != 'r'
2795 && p[3] != 'i' && p[4] != 'p')
2796 || p[1] == 'g'
2797 || (p[1] == 'i' && p[2] != 'm' && p[2] != 'l' && p[2] != 'g')
2798 || p[1] == 'I'
2799 || (p[1] == 'r' && p[2] != 'e')))
2800 {
2801 eap->cmdidx = CMD_substitute;
2802 ++p;
2803 }
2804 else
2805 {
2806 while (ASCII_ISALPHA(*p))
2807 ++p;
2808 /* check for non-alpha command */
2809 if (p == eap->cmd && vim_strchr((char_u *)"@*!=><&~#", *p) != NULL)
2810 ++p;
2811 len = (int)(p - eap->cmd);
2812 if (*eap->cmd == 'd' && (p[-1] == 'l' || p[-1] == 'p'))
2813 {
2814 /* Check for ":dl", ":dell", etc. to ":deletel": that's
2815 * :delete with the 'l' flag. Same for 'p'. */
2816 for (i = 0; i < len; ++i)
2817 if (eap->cmd[i] != ((char_u *)"delete")[i])
2818 break;
2819 if (i == len - 1)
2820 {
2821 --len;
2822 if (p[-1] == 'l')
2823 eap->flags |= EXFLAG_LIST;
2824 else
2825 eap->flags |= EXFLAG_PRINT;
2826 }
2827 }
2828
2829 if (ASCII_ISLOWER(*eap->cmd))
2830 eap->cmdidx = cmdidxs[CharOrdLow(*eap->cmd)];
2831 else
2832 eap->cmdidx = cmdidxs[26];
2833
2834 for ( ; (int)eap->cmdidx < (int)CMD_SIZE;
2835 eap->cmdidx = (cmdidx_T)((int)eap->cmdidx + 1))
2836 if (STRNCMP(cmdnames[(int)eap->cmdidx].cmd_name, (char *)eap->cmd,
2837 (size_t)len) == 0)
2838 {
2839 #ifdef FEAT_EVAL
2840 if (full != NULL
2841 && cmdnames[(int)eap->cmdidx].cmd_name[len] == NUL)
2842 *full = TRUE;
2843 #endif
2844 break;
2845 }
2846
2847 #ifdef FEAT_USR_CMDS
2848 /* Look for a user defined command as a last resort */
2849 if (eap->cmdidx == CMD_SIZE && *eap->cmd >= 'A' && *eap->cmd <= 'Z')
2850 {
2851 /* User defined commands may contain digits. */
2852 while (ASCII_ISALNUM(*p))
2853 ++p;
2854 p = find_ucmd(eap, p, full, NULL, NULL);
2855 }
2856 #endif
2857 if (p == eap->cmd)
2858 eap->cmdidx = CMD_SIZE;
2859 }
2860
2861 return p;
2862 }
2863
2864 #ifdef FEAT_USR_CMDS
2865 /*
2866 * Search for a user command that matches "eap->cmd".
2867 * Return cmdidx in "eap->cmdidx", flags in "eap->argt", idx in "eap->useridx".
2868 * Return a pointer to just after the command.
2869 * Return NULL if there is no matching command.
2870 */
2871 static char_u *
2872 find_ucmd(eap, p, full, xp, compl)
2873 exarg_T *eap;
2874 char_u *p; /* end of the command (possibly including count) */
2875 int *full; /* set to TRUE for a full match */
2876 expand_T *xp; /* used for completion, NULL otherwise */
2877 int *compl; /* completion flags or NULL */
2878 {
2879 int len = (int)(p - eap->cmd);
2880 int j, k, matchlen = 0;
2881 ucmd_T *uc;
2882 int found = FALSE;
2883 int possible = FALSE;
2884 char_u *cp, *np; /* Point into typed cmd and test name */
2885 garray_T *gap;
2886 int amb_local = FALSE; /* Found ambiguous buffer-local command,
2887 only full match global is accepted. */
2888
2889 /*
2890 * Look for buffer-local user commands first, then global ones.
2891 */
2892 gap = &curbuf->b_ucmds;
2893 for (;;)
2894 {
2895 for (j = 0; j < gap->ga_len; ++j)
2896 {
2897 uc = USER_CMD_GA(gap, j);
2898 cp = eap->cmd;
2899 np = uc->uc_name;
2900 k = 0;
2901 while (k < len && *np != NUL && *cp++ == *np++)
2902 k++;
2903 if (k == len || (*np == NUL && vim_isdigit(eap->cmd[k])))
2904 {
2905 /* If finding a second match, the command is ambiguous. But
2906 * not if a buffer-local command wasn't a full match and a
2907 * global command is a full match. */
2908 if (k == len && found && *np != NUL)
2909 {
2910 if (gap == &ucmds)
2911 return NULL;
2912 amb_local = TRUE;
2913 }
2914
2915 if (!found || (k == len && *np == NUL))
2916 {
2917 /* If we matched up to a digit, then there could
2918 * be another command including the digit that we
2919 * should use instead.
2920 */
2921 if (k == len)
2922 found = TRUE;
2923 else
2924 possible = TRUE;
2925
2926 if (gap == &ucmds)
2927 eap->cmdidx = CMD_USER;
2928 else
2929 eap->cmdidx = CMD_USER_BUF;
2930 eap->argt = (long)uc->uc_argt;
2931 eap->useridx = j;
2932
2933 # ifdef FEAT_CMDL_COMPL
2934 if (compl != NULL)
2935 *compl = uc->uc_compl;
2936 # ifdef FEAT_EVAL
2937 if (xp != NULL)
2938 {
2939 xp->xp_arg = uc->uc_compl_arg;
2940 xp->xp_scriptID = uc->uc_scriptID;
2941 }
2942 # endif
2943 # endif
2944 /* Do not search for further abbreviations
2945 * if this is an exact match. */
2946 matchlen = k;
2947 if (k == len && *np == NUL)
2948 {
2949 if (full != NULL)
2950 *full = TRUE;
2951 amb_local = FALSE;
2952 break;
2953 }
2954 }
2955 }
2956 }
2957
2958 /* Stop if we found a full match or searched all. */
2959 if (j < gap->ga_len || gap == &ucmds)
2960 break;
2961 gap = &ucmds;
2962 }
2963
2964 /* Only found ambiguous matches. */
2965 if (amb_local)
2966 {
2967 if (xp != NULL)
2968 xp->xp_context = EXPAND_UNSUCCESSFUL;
2969 return NULL;
2970 }
2971
2972 /* The match we found may be followed immediately by a number. Move "p"
2973 * back to point to it. */
2974 if (found || possible)
2975 return p + (matchlen - len);
2976 return p;
2977 }
2978 #endif
2979
2980 #if defined(FEAT_EVAL) || defined(PROTO)
2981 static struct cmdmod
2982 {
2983 char *name;
2984 int minlen;
2985 int has_count; /* :123verbose :3tab */
2986 } cmdmods[] = {
2987 {"aboveleft", 3, FALSE},
2988 {"belowright", 3, FALSE},
2989 {"botright", 2, FALSE},
2990 {"browse", 3, FALSE},
2991 {"confirm", 4, FALSE},
2992 {"hide", 3, FALSE},
2993 {"keepalt", 5, FALSE},
2994 {"keepjumps", 5, FALSE},
2995 {"keepmarks", 3, FALSE},
2996 {"leftabove", 5, FALSE},
2997 {"lockmarks", 3, FALSE},
2998 {"noautocmd", 3, FALSE},
2999 {"rightbelow", 6, FALSE},
3000 {"sandbox", 3, FALSE},
3001 {"silent", 3, FALSE},
3002 {"tab", 3, TRUE},
3003 {"topleft", 2, FALSE},
3004 {"unsilent", 3, FALSE},
3005 {"verbose", 4, TRUE},
3006 {"vertical", 4, FALSE},
3007 };
3008
3009 /*
3010 * Return length of a command modifier (including optional count).
3011 * Return zero when it's not a modifier.
3012 */
3013 int
3014 modifier_len(cmd)
3015 char_u *cmd;
3016 {
3017 int i, j;
3018 char_u *p = cmd;
3019
3020 if (VIM_ISDIGIT(*cmd))
3021 p = skipwhite(skipdigits(cmd));
3022 for (i = 0; i < (int)(sizeof(cmdmods) / sizeof(struct cmdmod)); ++i)
3023 {
3024 for (j = 0; p[j] != NUL; ++j)
3025 if (p[j] != cmdmods[i].name[j])
3026 break;
3027 if (!isalpha(p[j]) && j >= cmdmods[i].minlen
3028 && (p == cmd || cmdmods[i].has_count))
3029 return j + (int)(p - cmd);
3030 }
3031 return 0;
3032 }
3033
3034 /*
3035 * Return > 0 if an Ex command "name" exists.
3036 * Return 2 if there is an exact match.
3037 * Return 3 if there is an ambiguous match.
3038 */
3039 int
3040 cmd_exists(name)
3041 char_u *name;
3042 {
3043 exarg_T ea;
3044 int full = FALSE;
3045 int i;
3046 int j;
3047 char_u *p;
3048
3049 /* Check command modifiers. */
3050 for (i = 0; i < (int)(sizeof(cmdmods) / sizeof(struct cmdmod)); ++i)
3051 {
3052 for (j = 0; name[j] != NUL; ++j)
3053 if (name[j] != cmdmods[i].name[j])
3054 break;
3055 if (name[j] == NUL && j >= cmdmods[i].minlen)
3056 return (cmdmods[i].name[j] == NUL ? 2 : 1);
3057 }
3058
3059 /* Check built-in commands and user defined commands.
3060 * For ":2match" and ":3match" we need to skip the number. */
3061 ea.cmd = (*name == '2' || *name == '3') ? name + 1 : name;
3062 ea.cmdidx = (cmdidx_T)0;
3063 p = find_command(&ea, &full);
3064 if (p == NULL)
3065 return 3;
3066 if (vim_isdigit(*name) && ea.cmdidx != CMD_match)
3067 return 0;
3068 if (*skipwhite(p) != NUL)
3069 return 0; /* trailing garbage */
3070 return (ea.cmdidx == CMD_SIZE ? 0 : (full ? 2 : 1));
3071 }
3072 #endif
3073
3074 /*
3075 * This is all pretty much copied from do_one_cmd(), with all the extra stuff
3076 * we don't need/want deleted. Maybe this could be done better if we didn't
3077 * repeat all this stuff. The only problem is that they may not stay
3078 * perfectly compatible with each other, but then the command line syntax
3079 * probably won't change that much -- webb.
3080 */
3081 char_u *
3082 set_one_cmd_context(xp, buff)
3083 expand_T *xp;
3084 char_u *buff; /* buffer for command string */
3085 {
3086 char_u *p;
3087 char_u *cmd, *arg;
3088 int len = 0;
3089 exarg_T ea;
3090 #if defined(FEAT_USR_CMDS) && defined(FEAT_CMDL_COMPL)
3091 int compl = EXPAND_NOTHING;
3092 #endif
3093 #ifdef FEAT_CMDL_COMPL
3094 int delim;
3095 #endif
3096 int forceit = FALSE;
3097 int usefilter = FALSE; /* filter instead of file name */
3098
3099 ExpandInit(xp);
3100 xp->xp_pattern = buff;
3101 xp->xp_context = EXPAND_COMMANDS; /* Default until we get past command */
3102 ea.argt = 0;
3103
3104 /*
3105 * 2. skip comment lines and leading space, colons or bars
3106 */
3107 for (cmd = buff; vim_strchr((char_u *)" \t:|", *cmd) != NULL; cmd++)
3108 ;
3109 xp->xp_pattern = cmd;
3110
3111 if (*cmd == NUL)
3112 return NULL;
3113 if (*cmd == '"') /* ignore comment lines */
3114 {
3115 xp->xp_context = EXPAND_NOTHING;
3116 return NULL;
3117 }
3118
3119 /*
3120 * 3. parse a range specifier of the form: addr [,addr] [;addr] ..
3121 */
3122 cmd = skip_range(cmd, &xp->xp_context);
3123
3124 /*
3125 * 4. parse command
3126 */
3127 xp->xp_pattern = cmd;
3128 if (*cmd == NUL)
3129 return NULL;
3130 if (*cmd == '"')
3131 {
3132 xp->xp_context = EXPAND_NOTHING;
3133 return NULL;
3134 }
3135
3136 if (*cmd == '|' || *cmd == '\n')
3137 return cmd + 1; /* There's another command */
3138
3139 /*
3140 * Isolate the command and search for it in the command table.
3141 * Exceptions:
3142 * - the 'k' command can directly be followed by any character, but
3143 * do accept "keepmarks", "keepalt" and "keepjumps".
3144 * - the 's' command can be followed directly by 'c', 'g', 'i', 'I' or 'r'
3145 */
3146 if (*cmd == 'k' && cmd[1] != 'e')
3147 {
3148 ea.cmdidx = CMD_k;
3149 p = cmd + 1;
3150 }
3151 else
3152 {
3153 p = cmd;
3154 while (ASCII_ISALPHA(*p) || *p == '*') /* Allow * wild card */
3155 ++p;
3156 /* check for non-alpha command */
3157 if (p == cmd && vim_strchr((char_u *)"@*!=><&~#", *p) != NULL)
3158 ++p;
3159 len = (int)(p - cmd);
3160
3161 if (len == 0)
3162 {
3163 xp->xp_context = EXPAND_UNSUCCESSFUL;
3164 return NULL;
3165 }
3166 for (ea.cmdidx = (cmdidx_T)0; (int)ea.cmdidx < (int)CMD_SIZE;
3167 ea.cmdidx = (cmdidx_T)((int)ea.cmdidx + 1))
3168 if (STRNCMP(cmdnames[(int)ea.cmdidx].cmd_name, cmd,
3169 (size_t)len) == 0)
3170 break;
3171
3172 #ifdef FEAT_USR_CMDS
3173 if (cmd[0] >= 'A' && cmd[0] <= 'Z')
3174 while (ASCII_ISALNUM(*p) || *p == '*') /* Allow * wild card */
3175 ++p;
3176 #endif
3177 }
3178
3179 /*
3180 * If the cursor is touching the command, and it ends in an alpha-numeric
3181 * character, complete the command name.
3182 */
3183 if (*p == NUL && ASCII_ISALNUM(p[-1]))
3184 return NULL;
3185
3186 if (ea.cmdidx == CMD_SIZE)
3187 {
3188 if (*cmd == 's' && vim_strchr((char_u *)"cgriI", cmd[1]) != NULL)
3189 {
3190 ea.cmdidx = CMD_substitute;
3191 p = cmd + 1;
3192 }
3193 #ifdef FEAT_USR_CMDS
3194 else if (cmd[0] >= 'A' && cmd[0] <= 'Z')
3195 {
3196 ea.cmd = cmd;
3197 p = find_ucmd(&ea, p, NULL, xp,
3198 # if defined(FEAT_CMDL_COMPL)
3199 &compl
3200 # else
3201 NULL
3202 # endif
3203 );
3204 if (p == NULL)
3205 ea.cmdidx = CMD_SIZE; /* ambiguous user command */
3206 }
3207 #endif
3208 }
3209 if (ea.cmdidx == CMD_SIZE)
3210 {
3211 /* Not still touching the command and it was an illegal one */
3212 xp->xp_context = EXPAND_UNSUCCESSFUL;
3213 return NULL;
3214 }
3215
3216 xp->xp_context = EXPAND_NOTHING; /* Default now that we're past command */
3217
3218 if (*p == '!') /* forced commands */
3219 {
3220 forceit = TRUE;
3221 ++p;
3222 }
3223
3224 /*
3225 * 5. parse arguments
3226 */
3227 #ifdef FEAT_USR_CMDS
3228 if (!USER_CMDIDX(ea.cmdidx))
3229 #endif
3230 ea.argt = (long)cmdnames[(int)ea.cmdidx].cmd_argt;
3231
3232 arg = skipwhite(p);
3233
3234 if (ea.cmdidx == CMD_write || ea.cmdidx == CMD_update)
3235 {
3236 if (*arg == '>') /* append */
3237 {
3238 if (*++arg == '>')
3239 ++arg;
3240 arg = skipwhite(arg);
3241 }
3242 else if (*arg == '!' && ea.cmdidx == CMD_write) /* :w !filter */
3243 {
3244 ++arg;
3245 usefilter = TRUE;
3246 }
3247 }
3248
3249 if (ea.cmdidx == CMD_read)
3250 {
3251 usefilter = forceit; /* :r! filter if forced */
3252 if (*arg == '!') /* :r !filter */
3253 {
3254 ++arg;
3255 usefilter = TRUE;
3256 }
3257 }
3258
3259 if (ea.cmdidx == CMD_lshift || ea.cmdidx == CMD_rshift)
3260 {
3261 while (*arg == *cmd) /* allow any number of '>' or '<' */
3262 ++arg;
3263 arg = skipwhite(arg);
3264 }
3265
3266 /* Does command allow "+command"? */
3267 if ((ea.argt & EDITCMD) && !usefilter && *arg == '+')
3268 {
3269 /* Check if we're in the +command */
3270 p = arg + 1;
3271 arg = skip_cmd_arg(arg, FALSE);
3272
3273 /* Still touching the command after '+'? */
3274 if (*arg == NUL)
3275 return p;
3276
3277 /* Skip space(s) after +command to get to the real argument */
3278 arg = skipwhite(arg);
3279 }
3280
3281 /*
3282 * Check for '|' to separate commands and '"' to start comments.
3283 * Don't do this for ":read !cmd" and ":write !cmd".
3284 */
3285 if ((ea.argt & TRLBAR) && !usefilter)
3286 {
3287 p = arg;
3288 /* ":redir @" is not the start of a comment */
3289 if (ea.cmdidx == CMD_redir && p[0] == '@' && p[1] == '"')
3290 p += 2;
3291 while (*p)
3292 {
3293 if (*p == Ctrl_V)
3294 {
3295 if (p[1] != NUL)
3296 ++p;
3297 }
3298 else if ( (*p == '"' && !(ea.argt & NOTRLCOM))
3299 || *p == '|' || *p == '\n')
3300 {
3301 if (*(p - 1) != '\\')
3302 {
3303 if (*p == '|' || *p == '\n')
3304 return p + 1;
3305 return NULL; /* It's a comment */
3306 }
3307 }
3308 mb_ptr_adv(p);
3309 }
3310 }
3311
3312 /* no arguments allowed */
3313 if (!(ea.argt & EXTRA) && *arg != NUL &&
3314 vim_strchr((char_u *)"|\"", *arg) == NULL)
3315 return NULL;
3316
3317 /* Find start of last argument (argument just before cursor): */
3318 p = buff + STRLEN(buff);
3319 while (p != arg && *p != ' ' && *p != TAB)
3320 p--;
3321 if (*p == ' ' || *p == TAB)
3322 p++;
3323 xp->xp_pattern = p;
3324
3325 if (ea.argt & XFILE)
3326 {
3327 int c;
3328 int in_quote = FALSE;
3329 char_u *bow = NULL; /* Beginning of word */
3330
3331 /*
3332 * Allow spaces within back-quotes to count as part of the argument
3333 * being expanded.
3334 */
3335 xp->xp_pattern = skipwhite(arg);
3336 p = xp->xp_pattern;
3337 while (*p != NUL)
3338 {
3339 #ifdef FEAT_MBYTE
3340 if (has_mbyte)
3341 c = mb_ptr2char(p);
3342 else
3343 #endif
3344 c = *p;
3345 if (c == '\\' && p[1] != NUL)
3346 ++p;
3347 else if (c == '`')
3348 {
3349 if (!in_quote)
3350 {
3351 xp->xp_pattern = p;
3352 bow = p + 1;
3353 }
3354 in_quote = !in_quote;
3355 }
3356 /* An argument can contain just about everything, except
3357 * characters that end the command and white space. */
3358 else if (c == '|' || c == '\n' || c == '"' || (vim_iswhite(c)
3359 #ifdef SPACE_IN_FILENAME
3360 && (!(ea.argt & NOSPC) || usefilter)
3361 #endif
3362 ))
3363 {
3364 len = 0; /* avoid getting stuck when space is in 'isfname' */
3365 while (*p != NUL)
3366 {
3367 #ifdef FEAT_MBYTE
3368 if (has_mbyte)
3369 c = mb_ptr2char(p);
3370 else
3371 #endif
3372 c = *p;
3373 if (c == '`' || vim_isfilec_or_wc(c))
3374 break;
3375 #ifdef FEAT_MBYTE
3376 if (has_mbyte)
3377 len = (*mb_ptr2len)(p);
3378 else
3379 #endif
3380 len = 1;
3381 mb_ptr_adv(p);
3382 }
3383 if (in_quote)
3384 bow = p;
3385 else
3386 xp->xp_pattern = p;
3387 p -= len;
3388 }
3389 mb_ptr_adv(p);
3390 }
3391
3392 /*
3393 * If we are still inside the quotes, and we passed a space, just
3394 * expand from there.
3395 */
3396 if (bow != NULL && in_quote)
3397 xp->xp_pattern = bow;
3398 xp->xp_context = EXPAND_FILES;
3399
3400 #ifndef BACKSLASH_IN_FILENAME
3401 /* For a shell command more chars need to be escaped. */
3402 if (usefilter || ea.cmdidx == CMD_bang)
3403 {
3404 xp->xp_shell = TRUE;
3405
3406 /* When still after the command name expand executables. */
3407 if (xp->xp_pattern == skipwhite(arg))
3408 xp->xp_context = EXPAND_SHELLCMD;
3409 }
3410 #endif
3411
3412 /* Check for environment variable */
3413 if (*xp->xp_pattern == '$'
3414 #if defined(MSDOS) || defined(MSWIN) || defined(OS2)
3415 || *xp->xp_pattern == '%'
3416 #endif
3417 )
3418 {
3419 for (p = xp->xp_pattern + 1; *p != NUL; ++p)
3420 if (!vim_isIDc(*p))
3421 break;
3422 if (*p == NUL)
3423 {
3424 xp->xp_context = EXPAND_ENV_VARS;
3425 ++xp->xp_pattern;
3426 #if defined(FEAT_USR_CMDS) && defined(FEAT_CMDL_COMPL)
3427 /* Avoid that the assignment uses EXPAND_FILES again. */
3428 if (compl != EXPAND_USER_DEFINED && compl != EXPAND_USER_LIST)
3429 compl = EXPAND_ENV_VARS;
3430 #endif
3431 }
3432 }
3433 }
3434
3435 /*
3436 * 6. switch on command name
3437 */
3438 switch (ea.cmdidx)
3439 {
3440 case CMD_cd:
3441 case CMD_chdir:
3442 case CMD_lcd:
3443 case CMD_lchdir:
3444 if (xp->xp_context == EXPAND_FILES)
3445 xp->xp_context = EXPAND_DIRECTORIES;
3446 break;
3447 case CMD_help:
3448 xp->xp_context = EXPAND_HELP;
3449 xp->xp_pattern = arg;
3450 break;
3451
3452 /* Command modifiers: return the argument.
3453 * Also for commands with an argument that is a command. */
3454 case CMD_aboveleft:
3455 case CMD_argdo:
3456 case CMD_belowright:
3457 case CMD_botright:
3458 case CMD_browse:
3459 case CMD_bufdo:
3460 case CMD_confirm:
3461 case CMD_debug:
3462 case CMD_folddoclosed:
3463 case CMD_folddoopen:
3464 case CMD_hide:
3465 case CMD_keepalt:
3466 case CMD_keepjumps:
3467 case CMD_keepmarks:
3468 case CMD_leftabove:
3469 case CMD_lockmarks:
3470 case CMD_rightbelow:
3471 case CMD_sandbox:
3472 case CMD_silent:
3473 case CMD_tab:
3474 case CMD_topleft:
3475 case CMD_verbose:
3476 case CMD_vertical:
3477 case CMD_windo:
3478 return arg;
3479
3480 #ifdef FEAT_CMDL_COMPL
3481 # ifdef FEAT_SEARCH_EXTRA
3482 case CMD_match:
3483 if (*arg == NUL || !ends_excmd(*arg))
3484 {
3485 /* also complete "None" */
3486 set_context_in_echohl_cmd(xp, arg);
3487 arg = skipwhite(skiptowhite(arg));
3488 if (*arg != NUL)
3489 {
3490 xp->xp_context = EXPAND_NOTHING;
3491 arg = skip_regexp(arg + 1, *arg, p_magic, NULL);
3492 }
3493 }
3494 return find_nextcmd(arg);
3495 # endif
3496
3497 /*
3498 * All completion for the +cmdline_compl feature goes here.
3499 */
3500
3501 # ifdef FEAT_USR_CMDS
3502 case CMD_command:
3503 /* Check for attributes */
3504 while (*arg == '-')
3505 {
3506 arg++; /* Skip "-" */
3507 p = skiptowhite(arg);
3508 if (*p == NUL)
3509 {
3510 /* Cursor is still in the attribute */
3511 p = vim_strchr(arg, '=');
3512 if (p == NULL)
3513 {
3514 /* No "=", so complete attribute names */
3515 xp->xp_context = EXPAND_USER_CMD_FLAGS;
3516 xp->xp_pattern = arg;
3517 return NULL;
3518 }
3519
3520 /* For the -complete and -nargs attributes, we complete
3521 * their arguments as well.
3522 */
3523 if (STRNICMP(arg, "complete", p - arg) == 0)
3524 {
3525 xp->xp_context = EXPAND_USER_COMPLETE;
3526 xp->xp_pattern = p + 1;
3527 return NULL;
3528 }
3529 else if (STRNICMP(arg, "nargs", p - arg) == 0)
3530 {
3531 xp->xp_context = EXPAND_USER_NARGS;
3532 xp->xp_pattern = p + 1;
3533 return NULL;
3534 }
3535 return NULL;
3536 }
3537 arg = skipwhite(p);
3538 }
3539
3540 /* After the attributes comes the new command name */
3541 p = skiptowhite(arg);
3542 if (*p == NUL)
3543 {
3544 xp->xp_context = EXPAND_USER_COMMANDS;
3545 xp->xp_pattern = arg;
3546 break;
3547 }
3548
3549 /* And finally comes a normal command */
3550 return skipwhite(p);
3551
3552 case CMD_delcommand:
3553 xp->xp_context = EXPAND_USER_COMMANDS;
3554 xp->xp_pattern = arg;
3555 break;
3556 # endif
3557
3558 case CMD_global:
3559 case CMD_vglobal:
3560 delim = *arg; /* get the delimiter */
3561 if (delim)
3562 ++arg; /* skip delimiter if there is one */
3563
3564 while (arg[0] != NUL && arg[0] != delim)
3565 {
3566 if (arg[0] == '\\' && arg[1] != NUL)
3567 ++arg;
3568 ++arg;
3569 }
3570 if (arg[0] != NUL)
3571 return arg + 1;
3572 break;
3573 case CMD_and:
3574 case CMD_substitute:
3575 delim = *arg;
3576 if (delim)
3577 {
3578 /* skip "from" part */
3579 ++arg;
3580 arg = skip_regexp(arg, delim, p_magic, NULL);
3581 }
3582 /* skip "to" part */
3583 while (arg[0] != NUL && arg[0] != delim)
3584 {
3585 if (arg[0] == '\\' && arg[1] != NUL)
3586 ++arg;
3587 ++arg;
3588 }
3589 if (arg[0] != NUL) /* skip delimiter */
3590 ++arg;
3591 while (arg[0] && vim_strchr((char_u *)"|\"#", arg[0]) == NULL)
3592 ++arg;
3593 if (arg[0] != NUL)
3594 return arg;
3595 break;
3596 case CMD_isearch:
3597 case CMD_dsearch:
3598 case CMD_ilist:
3599 case CMD_dlist:
3600 case CMD_ijump:
3601 case CMD_psearch:
3602 case CMD_djump:
3603 case CMD_isplit:
3604 case CMD_dsplit:
3605 arg = skipwhite(skipdigits(arg)); /* skip count */
3606 if (*arg == '/') /* Match regexp, not just whole words */
3607 {
3608 for (++arg; *arg && *arg != '/'; arg++)
3609 if (*arg == '\\' && arg[1] != NUL)
3610 arg++;
3611 if (*arg)
3612 {
3613 arg = skipwhite(arg + 1);
3614
3615 /* Check for trailing illegal characters */
3616 if (*arg && vim_strchr((char_u *)"|\"\n", *arg) == NULL)
3617 xp->xp_context = EXPAND_NOTHING;
3618 else
3619 return arg;
3620 }
3621 }
3622 break;
3623 #ifdef FEAT_AUTOCMD
3624 case CMD_autocmd:
3625 return set_context_in_autocmd(xp, arg, FALSE);
3626
3627 case CMD_doautocmd:
3628 case CMD_doautoall:
3629 return set_context_in_autocmd(xp, arg, TRUE);
3630 #endif
3631 case CMD_set:
3632 set_context_in_set_cmd(xp, arg, 0);
3633 break;
3634 case CMD_setglobal:
3635 set_context_in_set_cmd(xp, arg, OPT_GLOBAL);
3636 break;
3637 case CMD_setlocal:
3638 set_context_in_set_cmd(xp, arg, OPT_LOCAL);
3639 break;
3640 case CMD_tag:
3641 case CMD_stag:
3642 case CMD_ptag:
3643 case CMD_ltag:
3644 case CMD_tselect:
3645 case CMD_stselect:
3646 case CMD_ptselect:
3647 case CMD_tjump:
3648 case CMD_stjump:
3649 case CMD_ptjump:
3650 if (*p_wop != NUL)
3651 xp->xp_context = EXPAND_TAGS_LISTFILES;
3652 else
3653 xp->xp_context = EXPAND_TAGS;
3654 xp->xp_pattern = arg;
3655 break;
3656 case CMD_augroup:
3657 xp->xp_context = EXPAND_AUGROUP;
3658 xp->xp_pattern = arg;
3659 break;
3660 #ifdef FEAT_SYN_HL
3661 case CMD_syntax:
3662 set_context_in_syntax_cmd(xp, arg);
3663 break;
3664 #endif
3665 #ifdef FEAT_EVAL
3666 case CMD_let:
3667 case CMD_if:
3668 case CMD_elseif:
3669 case CMD_while:
3670 case CMD_for:
3671 case CMD_echo:
3672 case CMD_echon:
3673 case CMD_execute:
3674 case CMD_echomsg:
3675 case CMD_echoerr:
3676 case CMD_call:
3677 case CMD_return:
3678 set_context_for_expression(xp, arg, ea.cmdidx);
3679 break;
3680
3681 case CMD_unlet:
3682 while ((xp->xp_pattern = vim_strchr(arg, ' ')) != NULL)
3683 arg = xp->xp_pattern + 1;
3684 xp->xp_context = EXPAND_USER_VARS;
3685 xp->xp_pattern = arg;
3686 break;
3687
3688 case CMD_function:
3689 case CMD_delfunction:
3690 xp->xp_context = EXPAND_USER_FUNC;
3691 xp->xp_pattern = arg;
3692 break;
3693
3694 case CMD_echohl:
3695 set_context_in_echohl_cmd(xp, arg);
3696 break;
3697 #endif
3698 case CMD_highlight:
3699 set_context_in_highlight_cmd(xp, arg);
3700 break;
3701 #ifdef FEAT_CSCOPE
3702 case CMD_cscope:
3703 case CMD_lcscope:
3704 case CMD_scscope:
3705 set_context_in_cscope_cmd(xp, arg, ea.cmdidx);
3706 break;
3707 #endif
3708 #ifdef FEAT_SIGNS
3709 case CMD_sign:
3710 set_context_in_sign_cmd(xp, arg);
3711 break;
3712 #endif
3713 #ifdef FEAT_LISTCMDS
3714 case CMD_bdelete:
3715 case CMD_bwipeout:
3716 case CMD_bunload:
3717 while ((xp->xp_pattern = vim_strchr(arg, ' ')) != NULL)
3718 arg = xp->xp_pattern + 1;
3719 /*FALLTHROUGH*/
3720 case CMD_buffer:
3721 case CMD_sbuffer:
3722 case CMD_checktime:
3723 xp->xp_context = EXPAND_BUFFERS;
3724 xp->xp_pattern = arg;
3725 break;
3726 #endif
3727 #ifdef FEAT_USR_CMDS
3728 case CMD_USER:
3729 case CMD_USER_BUF:
3730 if (compl != EXPAND_NOTHING)
3731 {
3732 /* XFILE: file names are handled above */
3733 if (!(ea.argt & XFILE))
3734 {
3735 # ifdef FEAT_MENU
3736 if (compl == EXPAND_MENUS)
3737 return set_context_in_menu_cmd(xp, cmd, arg, forceit);
3738 # endif
3739 if (compl == EXPAND_COMMANDS)
3740 return arg;
3741 if (compl == EXPAND_MAPPINGS)
3742 return set_context_in_map_cmd(xp, (char_u *)"map",
3743 arg, forceit, FALSE, FALSE, CMD_map);
3744 while ((xp->xp_pattern = vim_strchr(arg, ' ')) != NULL)
3745 arg = xp->xp_pattern + 1;
3746 xp->xp_pattern = arg;
3747 }
3748 xp->xp_context = compl;
3749 }
3750 break;
3751 #endif
3752 case CMD_map: case CMD_noremap:
3753 case CMD_nmap: case CMD_nnoremap:
3754 case CMD_vmap: case CMD_vnoremap:
3755 case CMD_omap: case CMD_onoremap:
3756 case CMD_imap: case CMD_inoremap:
3757 case CMD_cmap: case CMD_cnoremap:
3758 return set_context_in_map_cmd(xp, cmd, arg, forceit,
3759 FALSE, FALSE, ea.cmdidx);
3760 case CMD_unmap:
3761 case CMD_nunmap:
3762 case CMD_vunmap:
3763 case CMD_ounmap:
3764 case CMD_iunmap:
3765 case CMD_cunmap:
3766 return set_context_in_map_cmd(xp, cmd, arg, forceit,
3767 FALSE, TRUE, ea.cmdidx);
3768 case CMD_abbreviate: case CMD_noreabbrev:
3769 case CMD_cabbrev: case CMD_cnoreabbrev:
3770 case CMD_iabbrev: case CMD_inoreabbrev:
3771 return set_context_in_map_cmd(xp, cmd, arg, forceit,
3772 TRUE, FALSE, ea.cmdidx);
3773 case CMD_unabbreviate:
3774 case CMD_cunabbrev:
3775 case CMD_iunabbrev:
3776 return set_context_in_map_cmd(xp, cmd, arg, forceit,
3777 TRUE, TRUE, ea.cmdidx);
3778 #ifdef FEAT_MENU
3779 case CMD_menu: case CMD_noremenu: case CMD_unmenu:
3780 case CMD_amenu: case CMD_anoremenu: case CMD_aunmenu:
3781 case CMD_nmenu: case CMD_nnoremenu: case CMD_nunmenu:
3782 case CMD_vmenu: case CMD_vnoremenu: case CMD_vunmenu:
3783 case CMD_omenu: case CMD_onoremenu: case CMD_ounmenu:
3784 case CMD_imenu: case CMD_inoremenu: case CMD_iunmenu:
3785 case CMD_cmenu: case CMD_cnoremenu: case CMD_cunmenu:
3786 case CMD_tmenu: case CMD_tunmenu:
3787 case CMD_popup: case CMD_tearoff: case CMD_emenu:
3788 return set_context_in_menu_cmd(xp, cmd, arg, forceit);
3789 #endif
3790
3791 case CMD_colorscheme:
3792 xp->xp_context = EXPAND_COLORS;
3793 xp->xp_pattern = arg;
3794 break;
3795
3796 case CMD_compiler:
3797 xp->xp_context = EXPAND_COMPILER;
3798 xp->xp_pattern = arg;
3799 break;
3800
3801 #if (defined(HAVE_LOCALE_H) || defined(X_LOCALE)) \
3802 && (defined(FEAT_GETTEXT) || defined(FEAT_MBYTE))
3803 case CMD_language:
3804 if (*skiptowhite(arg) == NUL)
3805 {
3806 xp->xp_context = EXPAND_LANGUAGE;
3807 xp->xp_pattern = arg;
3808 }
3809 else
3810 xp->xp_context = EXPAND_NOTHING;
3811 break;
3812 #endif
3813 #if defined(FEAT_PROFILE)
3814 case CMD_profile:
3815 set_context_in_profile_cmd(xp, arg);
3816 break;
3817 #endif
3818 case CMD_behave:
3819 xp->xp_context = EXPAND_BEHAVE;
3820 break;
3821
3822 #endif /* FEAT_CMDL_COMPL */
3823
3824 default:
3825 break;
3826 }
3827 return NULL;
3828 }
3829
3830 /*
3831 * skip a range specifier of the form: addr [,addr] [;addr] ..
3832 *
3833 * Backslashed delimiters after / or ? will be skipped, and commands will
3834 * not be expanded between /'s and ?'s or after "'".
3835 *
3836 * Also skip white space and ":" characters.
3837 * Returns the "cmd" pointer advanced to beyond the range.
3838 */
3839 char_u *
3840 skip_range(cmd, ctx)
3841 char_u *cmd;
3842 int *ctx; /* pointer to xp_context or NULL */
3843 {
3844 unsigned delim;
3845
3846 while (vim_strchr((char_u *)" \t0123456789.$%'/?-+,;", *cmd) != NULL)
3847 {
3848 if (*cmd == '\'')
3849 {
3850 if (*++cmd == NUL && ctx != NULL)
3851 *ctx = EXPAND_NOTHING;
3852 }
3853 else if (*cmd == '/' || *cmd == '?')
3854 {
3855 delim = *cmd++;
3856 while (*cmd != NUL && *cmd != delim)
3857 if (*cmd++ == '\\' && *cmd != NUL)
3858 ++cmd;
3859 if (*cmd == NUL && ctx != NULL)
3860 *ctx = EXPAND_NOTHING;
3861 }
3862 if (*cmd != NUL)
3863 ++cmd;
3864 }
3865
3866 /* Skip ":" and white space. */
3867 while (*cmd == ':')
3868 cmd = skipwhite(cmd + 1);
3869
3870 return cmd;
3871 }
3872
3873 /*
3874 * get a single EX address
3875 *
3876 * Set ptr to the next character after the part that was interpreted.
3877 * Set ptr to NULL when an error is encountered.
3878 *
3879 * Return MAXLNUM when no Ex address was found.
3880 */
3881 static linenr_T
3882 get_address(ptr, skip, to_other_file)
3883 char_u **ptr;
3884 int skip; /* only skip the address, don't use it */
3885 int to_other_file; /* flag: may jump to other file */
3886 {
3887 int c;
3888 int i;
3889 long n;
3890 char_u *cmd;
3891 pos_T pos;
3892 pos_T *fp;
3893 linenr_T lnum;
3894
3895 cmd = skipwhite(*ptr);
3896 lnum = MAXLNUM;
3897 do
3898 {
3899 switch (*cmd)
3900 {
3901 case '.': /* '.' - Cursor position */
3902 ++cmd;
3903 lnum = curwin->w_cursor.lnum;
3904 break;
3905
3906 case '$': /* '$' - last line */
3907 ++cmd;
3908 lnum = curbuf->b_ml.ml_line_count;
3909 break;
3910
3911 case '\'': /* ''' - mark */
3912 if (*++cmd == NUL)
3913 {
3914 cmd = NULL;
3915 goto error;
3916 }
3917 if (skip)
3918 ++cmd;
3919 else
3920 {
3921 /* Only accept a mark in another file when it is
3922 * used by itself: ":'M". */
3923 fp = getmark(*cmd, to_other_file && cmd[1] == NUL);
3924 ++cmd;
3925 if (fp == (pos_T *)-1)
3926 /* Jumped to another file. */
3927 lnum = curwin->w_cursor.lnum;
3928 else
3929 {
3930 if (check_mark(fp) == FAIL)
3931 {
3932 cmd = NULL;
3933 goto error;
3934 }
3935 lnum = fp->lnum;
3936 }
3937 }
3938 break;
3939
3940 case '/':
3941 case '?': /* '/' or '?' - search */
3942 c = *cmd++;
3943 if (skip) /* skip "/pat/" */
3944 {
3945 cmd = skip_regexp(cmd, c, (int)p_magic, NULL);
3946 if (*cmd == c)
3947 ++cmd;
3948 }
3949 else
3950 {
3951 pos = curwin->w_cursor; /* save curwin->w_cursor */
3952 /*
3953 * When '/' or '?' follows another address, start
3954 * from there.
3955 */
3956 if (lnum != MAXLNUM)
3957 curwin->w_cursor.lnum = lnum;
3958 /*
3959 * Start a forward search at the end of the line.
3960 * Start a backward search at the start of the line.
3961 * This makes sure we never match in the current
3962 * line, and can match anywhere in the
3963 * next/previous line.
3964 */
3965 if (c == '/')
3966 curwin->w_cursor.col = MAXCOL;
3967 else
3968 curwin->w_cursor.col = 0;
3969 searchcmdlen = 0;
3970 if (!do_search(NULL, c, cmd, 1L,
3971 SEARCH_HIS | SEARCH_MSG, NULL))
3972 {
3973 curwin->w_cursor = pos;
3974 cmd = NULL;
3975 goto error;
3976 }
3977 lnum = curwin->w_cursor.lnum;
3978 curwin->w_cursor = pos;
3979 /* adjust command string pointer */
3980 cmd += searchcmdlen;
3981 }
3982 break;
3983
3984 case '\\': /* "\?", "\/" or "\&", repeat search */
3985 ++cmd;
3986 if (*cmd == '&')
3987 i = RE_SUBST;
3988 else if (*cmd == '?' || *cmd == '/')
3989 i = RE_SEARCH;
3990 else
3991 {
3992 EMSG(_(e_backslash));
3993 cmd = NULL;
3994 goto error;
3995 }
3996
3997 if (!skip)
3998 {
3999 /*
4000 * When search follows another address, start from
4001 * there.
4002 */
4003 if (lnum != MAXLNUM)
4004 pos.lnum = lnum;
4005 else
4006 pos.lnum = curwin->w_cursor.lnum;
4007
4008 /*
4009 * Start the search just like for the above
4010 * do_search().
4011 */
4012 if (*cmd != '?')
4013 pos.col = MAXCOL;
4014 else
4015 pos.col = 0;
4016 if (searchit(curwin, curbuf, &pos,
4017 *cmd == '?' ? BACKWARD : FORWARD,
4018 (char_u *)"", 1L, SEARCH_MSG,
4019 i, (linenr_T)0, NULL) != FAIL)
4020 lnum = pos.lnum;
4021 else
4022 {
4023 cmd = NULL;
4024 goto error;
4025 }
4026 }
4027 ++cmd;
4028 break;
4029
4030 default:
4031 if (VIM_ISDIGIT(*cmd)) /* absolute line number */
4032 lnum = getdigits(&cmd);
4033 }
4034
4035 for (;;)
4036 {
4037 cmd = skipwhite(cmd);
4038 if (*cmd != '-' && *cmd != '+' && !VIM_ISDIGIT(*cmd))
4039 break;
4040
4041 if (lnum == MAXLNUM)
4042 lnum = curwin->w_cursor.lnum; /* "+1" is same as ".+1" */
4043 if (VIM_ISDIGIT(*cmd))
4044 i = '+'; /* "number" is same as "+number" */
4045 else
4046 i = *cmd++;
4047 if (!VIM_ISDIGIT(*cmd)) /* '+' is '+1', but '+0' is not '+1' */
4048 n = 1;
4049 else
4050 n = getdigits(&cmd);
4051 if (i == '-')
4052 lnum -= n;
4053 else
4054 lnum += n;
4055 }
4056 } while (*cmd == '/' || *cmd == '?');
4057
4058 error:
4059 *ptr = cmd;
4060 return lnum;
4061 }
4062
4063 /*
4064 * Get flags from an Ex command argument.
4065 */
4066 static void
4067 get_flags(eap)
4068 exarg_T *eap;
4069 {
4070 while (vim_strchr((char_u *)"lp#", *eap->arg) != NULL)
4071 {
4072 if (*eap->arg == 'l')
4073 eap->flags |= EXFLAG_LIST;
4074 else if (*eap->arg == 'p')
4075 eap->flags |= EXFLAG_PRINT;
4076 else
4077 eap->flags |= EXFLAG_NR;
4078 eap->arg = skipwhite(eap->arg + 1);
4079 }
4080 }
4081
4082 /*
4083 * Function called for command which is Not Implemented. NI!
4084 */
4085 void
4086 ex_ni(eap)
4087 exarg_T *eap;
4088 {
4089 if (!eap->skip)
4090 eap->errmsg = (char_u *)N_("E319: Sorry, the command is not available in this version");
4091 }
4092
4093 #ifdef HAVE_EX_SCRIPT_NI
4094 /*
4095 * Function called for script command which is Not Implemented. NI!
4096 * Skips over ":perl <<EOF" constructs.
4097 */
4098 static void
4099 ex_script_ni(eap)
4100 exarg_T *eap;
4101 {
4102 if (!eap->skip)
4103 ex_ni(eap);
4104 else
4105 vim_free(script_get(eap, eap->arg));
4106 }
4107 #endif
4108
4109 /*
4110 * Check range in Ex command for validity.
4111 * Return NULL when valid, error message when invalid.
4112 */
4113 static char_u *
4114 invalid_range(eap)
4115 exarg_T *eap;
4116 {
4117 if ( eap->line1 < 0
4118 || eap->line2 < 0
4119 || eap->line1 > eap->line2
4120 || ((eap->argt & RANGE)
4121 && !(eap->argt & NOTADR)
4122 && eap->line2 > curbuf->b_ml.ml_line_count
4123 #ifdef FEAT_DIFF
4124 + (eap->cmdidx == CMD_diffget)
4125 #endif
4126 ))
4127 return (char_u *)_(e_invrange);
4128 return NULL;
4129 }
4130
4131 /*
4132 * Correct the range for zero line number, if required.
4133 */
4134 static void
4135 correct_range(eap)
4136 exarg_T *eap;
4137 {
4138 if (!(eap->argt & ZEROR)) /* zero in range not allowed */
4139 {
4140 if (eap->line1 == 0)
4141 eap->line1 = 1;
4142 if (eap->line2 == 0)
4143 eap->line2 = 1;
4144 }
4145 }
4146
4147 #ifdef FEAT_QUICKFIX
4148 static char_u *skip_grep_pat __ARGS((exarg_T *eap));
4149
4150 /*
4151 * For a ":vimgrep" or ":vimgrepadd" command return a pointer past the
4152 * pattern. Otherwise return eap->arg.
4153 */
4154 static char_u *
4155 skip_grep_pat(eap)
4156 exarg_T *eap;
4157 {
4158 char_u *p = eap->arg;
4159
4160 if (*p != NUL && (eap->cmdidx == CMD_vimgrep || eap->cmdidx == CMD_lvimgrep
4161 || eap->cmdidx == CMD_vimgrepadd
4162 || eap->cmdidx == CMD_lvimgrepadd
4163 || grep_internal(eap->cmdidx)))
4164 {
4165 p = skip_vimgrep_pat(p, NULL, NULL);
4166 if (p == NULL)
4167 p = eap->arg;
4168 }
4169 return p;
4170 }
4171
4172 /*
4173 * For the ":make" and ":grep" commands insert the 'makeprg'/'grepprg' option
4174 * in the command line, so that things like % get expanded.
4175 */
4176 static char_u *
4177 replace_makeprg(eap, p, cmdlinep)
4178 exarg_T *eap;
4179 char_u *p;
4180 char_u **cmdlinep;
4181 {
4182 char_u *new_cmdline;
4183 char_u *program;
4184 char_u *pos;
4185 char_u *ptr;
4186 int len;
4187 int i;
4188
4189 /*
4190 * Don't do it when ":vimgrep" is used for ":grep".
4191 */
4192 if ((eap->cmdidx == CMD_make || eap->cmdidx == CMD_lmake
4193 || eap->cmdidx == CMD_grep || eap->cmdidx == CMD_lgrep
4194 || eap->cmdidx == CMD_grepadd
4195 || eap->cmdidx == CMD_lgrepadd)
4196 && !grep_internal(eap->cmdidx))
4197 {
4198 if (eap->cmdidx == CMD_grep || eap->cmdidx == CMD_lgrep
4199 || eap->cmdidx == CMD_grepadd || eap->cmdidx == CMD_lgrepadd)
4200 {
4201 if (*curbuf->b_p_gp == NUL)
4202 program = p_gp;
4203 else
4204 program = curbuf->b_p_gp;
4205 }
4206 else
4207 {
4208 if (*curbuf->b_p_mp == NUL)
4209 program = p_mp;
4210 else
4211 program = curbuf->b_p_mp;
4212 }
4213
4214 p = skipwhite(p);
4215
4216 if ((pos = (char_u *)strstr((char *)program, "$*")) != NULL)
4217 {
4218 /* replace $* by given arguments */
4219 i = 1;
4220 while ((pos = (char_u *)strstr((char *)pos + 2, "$*")) != NULL)
4221 ++i;
4222 len = (int)STRLEN(p);
4223 new_cmdline = alloc((int)(STRLEN(program) + i * (len - 2) + 1));
4224 if (new_cmdline == NULL)
4225 return NULL; /* out of memory */
4226 ptr = new_cmdline;
4227 while ((pos = (char_u *)strstr((char *)program, "$*")) != NULL)
4228 {
4229 i = (int)(pos - program);
4230 STRNCPY(ptr, program, i);
4231 STRCPY(ptr += i, p);
4232 ptr += len;
4233 program = pos + 2;
4234 }
4235 STRCPY(ptr, program);
4236 }
4237 else
4238 {
4239 new_cmdline = alloc((int)(STRLEN(program) + STRLEN(p) + 2));
4240 if (new_cmdline == NULL)
4241 return NULL; /* out of memory */
4242 STRCPY(new_cmdline, program);
4243 STRCAT(new_cmdline, " ");
4244 STRCAT(new_cmdline, p);
4245 }
4246 msg_make(p);
4247
4248 /* 'eap->cmd' is not set here, because it is not used at CMD_make */
4249 vim_free(*cmdlinep);
4250 *cmdlinep = new_cmdline;
4251 p = new_cmdline;
4252 }
4253 return p;
4254 }
4255 #endif
4256
4257 /*
4258 * Expand file name in Ex command argument.
4259 * Return FAIL for failure, OK otherwise.
4260 */
4261 int
4262 expand_filename(eap, cmdlinep, errormsgp)
4263 exarg_T *eap;
4264 char_u **cmdlinep;
4265 char_u **errormsgp;
4266 {
4267 int has_wildcards; /* need to expand wildcards */
4268 char_u *repl;
4269 int srclen;
4270 char_u *p;
4271 int n;
4272 int escaped;
4273
4274 #ifdef FEAT_QUICKFIX
4275 /* Skip a regexp pattern for ":vimgrep[add] pat file..." */
4276 p = skip_grep_pat(eap);
4277 #else
4278 p = eap->arg;
4279 #endif
4280
4281 /*
4282 * Decide to expand wildcards *before* replacing '%', '#', etc. If
4283 * the file name contains a wildcard it should not cause expanding.
4284 * (it will be expanded anyway if there is a wildcard before replacing).
4285 */
4286 has_wildcards = mch_has_wildcard(p);
4287 while (*p != NUL)
4288 {
4289 #ifdef FEAT_EVAL
4290 /* Skip over `=expr`, wildcards in it are not expanded. */
4291 if (p[0] == '`' && p[1] == '=')
4292 {
4293 p += 2;
4294 (void)skip_expr(&p);
4295 if (*p == '`')
4296 ++p;
4297 continue;
4298 }
4299 #endif
4300 /*
4301 * Quick check if this cannot be the start of a special string.
4302 * Also removes backslash before '%', '#' and '<'.
4303 */
4304 if (vim_strchr((char_u *)"%#<", *p) == NULL)
4305 {
4306 ++p;
4307 continue;
4308 }
4309
4310 /*
4311 * Try to find a match at this position.
4312 */
4313 repl = eval_vars(p, eap->arg, &srclen, &(eap->do_ecmd_lnum),
4314 errormsgp, &escaped);
4315 if (*errormsgp != NULL) /* error detected */
4316 return FAIL;
4317 if (repl == NULL) /* no match found */
4318 {
4319 p += srclen;
4320 continue;
4321 }
4322
4323 /* Wildcards won't be expanded below, the replacement is taken
4324 * literally. But do expand "~/file", "~user/file" and "$HOME/file". */
4325 if (vim_strchr(repl, '$') != NULL || vim_strchr(repl, '~') != NULL)
4326 {
4327 char_u *l = repl;
4328
4329 repl = expand_env_save(repl);
4330 vim_free(l);
4331 }
4332
4333 /* Need to escape white space et al. with a backslash.
4334 * Don't do this for:
4335 * - replacement that already has been escaped: "##"
4336 * - shell commands (may have to use quotes instead).
4337 * - non-unix systems when there is a single argument (spaces don't
4338 * separate arguments then).
4339 */
4340 if (!eap->usefilter
4341 && !escaped
4342 && eap->cmdidx != CMD_bang
4343 && eap->cmdidx != CMD_make
4344 && eap->cmdidx != CMD_lmake
4345 && eap->cmdidx != CMD_grep
4346 && eap->cmdidx != CMD_lgrep
4347 && eap->cmdidx != CMD_grepadd
4348 && eap->cmdidx != CMD_lgrepadd
4349 #ifndef UNIX
4350 && !(eap->argt & NOSPC)
4351 #endif
4352 )
4353 {
4354 char_u *l;
4355 #ifdef BACKSLASH_IN_FILENAME
4356 /* Don't escape a backslash here, because rem_backslash() doesn't
4357 * remove it later. */
4358 static char_u *nobslash = (char_u *)" \t\"|";
4359 # define ESCAPE_CHARS nobslash
4360 #else
4361 # define ESCAPE_CHARS escape_chars
4362 #endif
4363
4364 for (l = repl; *l; ++l)
4365 if (vim_strchr(ESCAPE_CHARS, *l) != NULL)
4366 {
4367 l = vim_strsave_escaped(repl, ESCAPE_CHARS);
4368 if (l != NULL)
4369 {
4370 vim_free(repl);
4371 repl = l;
4372 }
4373 break;
4374 }
4375 }
4376
4377 /* For a shell command a '!' must be escaped. */
4378 if ((eap->usefilter || eap->cmdidx == CMD_bang)
4379 && vim_strpbrk(repl, (char_u *)"!&;()<>") != NULL)
4380 {
4381 char_u *l;
4382
4383 l = vim_strsave_escaped(repl, (char_u *)"!&;()<>");
4384 if (l != NULL)
4385 {
4386 vim_free(repl);
4387 repl = l;
4388 /* For a sh-like shell escape "!" another time. */
4389 if (strstr((char *)p_sh, "sh") != NULL)
4390 {
4391 l = vim_strsave_escaped(repl, (char_u *)"!");
4392 if (l != NULL)
4393 {
4394 vim_free(repl);
4395 repl = l;
4396 }
4397 }
4398 }
4399 }
4400
4401 p = repl_cmdline(eap, p, srclen, repl, cmdlinep);
4402 vim_free(repl);
4403 if (p == NULL)
4404 return FAIL;
4405 }
4406
4407 /*
4408 * One file argument: Expand wildcards.
4409 * Don't do this with ":r !command" or ":w !command".
4410 */
4411 if ((eap->argt & NOSPC) && !eap->usefilter)
4412 {
4413 /*
4414 * May do this twice:
4415 * 1. Replace environment variables.
4416 * 2. Replace any other wildcards, remove backslashes.
4417 */
4418 for (n = 1; n <= 2; ++n)
4419 {
4420 if (n == 2)
4421 {
4422 #ifdef UNIX
4423 /*
4424 * Only for Unix we check for more than one file name.
4425 * For other systems spaces are considered to be part
4426 * of the file name.
4427 * Only check here if there is no wildcard, otherwise
4428 * ExpandOne() will check for errors. This allows
4429 * ":e `ls ve*.c`" on Unix.
4430 */
4431 if (!has_wildcards)
4432 for (p = eap->arg; *p; ++p)
4433 {
4434 /* skip escaped characters */
4435 if (p[1] && (*p == '\\' || *p == Ctrl_V))
4436 ++p;
4437 else if (vim_iswhite(*p))
4438 {
4439 *errormsgp = (char_u *)_("E172: Only one file name allowed");
4440 return FAIL;
4441 }
4442 }
4443 #endif
4444
4445 /*
4446 * Halve the number of backslashes (this is Vi compatible).
4447 * For Unix and OS/2, when wildcards are expanded, this is
4448 * done by ExpandOne() below.
4449 */
4450 #if defined(UNIX) || defined(OS2)
4451 if (!has_wildcards)
4452 #endif
4453 backslash_halve(eap->arg);
4454 }
4455
4456 if (has_wildcards)
4457 {
4458 if (n == 1)
4459 {
4460 /*
4461 * First loop: May expand environment variables. This
4462 * can be done much faster with expand_env() than with
4463 * something else (e.g., calling a shell).
4464 * After expanding environment variables, check again
4465 * if there are still wildcards present.
4466 */
4467 if (vim_strchr(eap->arg, '$') != NULL
4468 || vim_strchr(eap->arg, '~') != NULL)
4469 {
4470 expand_env_esc(eap->arg, NameBuff, MAXPATHL,
4471 TRUE, TRUE, NULL);
4472 has_wildcards = mch_has_wildcard(NameBuff);
4473 p = NameBuff;
4474 }
4475 else
4476 p = NULL;
4477 }
4478 else /* n == 2 */
4479 {
4480 expand_T xpc;
4481
4482 ExpandInit(&xpc);
4483 xpc.xp_context = EXPAND_FILES;
4484 p = ExpandOne(&xpc, eap->arg, NULL,
4485 WILD_LIST_NOTFOUND|WILD_ADD_SLASH,
4486 WILD_EXPAND_FREE);
4487 if (p == NULL)
4488 return FAIL;
4489 }
4490 if (p != NULL)
4491 {
4492 (void)repl_cmdline(eap, eap->arg, (int)STRLEN(eap->arg),
4493 p, cmdlinep);
4494 if (n == 2) /* p came from ExpandOne() */
4495 vim_free(p);
4496 }
4497 }
4498 }
4499 }
4500 return OK;
4501 }
4502
4503 /*
4504 * Replace part of the command line, keeping eap->cmd, eap->arg and
4505 * eap->nextcmd correct.
4506 * "src" points to the part that is to be replaced, of length "srclen".
4507 * "repl" is the replacement string.
4508 * Returns a pointer to the character after the replaced string.
4509 * Returns NULL for failure.
4510 */
4511 static char_u *
4512 repl_cmdline(eap, src, srclen, repl, cmdlinep)
4513 exarg_T *eap;
4514 char_u *src;
4515 int srclen;
4516 char_u *repl;
4517 char_u **cmdlinep;
4518 {
4519 int len;
4520 int i;
4521 char_u *new_cmdline;
4522
4523 /*
4524 * The new command line is build in new_cmdline[].
4525 * First allocate it.
4526 * Careful: a "+cmd" argument may have been NUL terminated.
4527 */
4528 len = (int)STRLEN(repl);
4529 i = (int)(src - *cmdlinep) + (int)STRLEN(src + srclen) + len + 3;
4530 if (eap->nextcmd != NULL)
4531 i += (int)STRLEN(eap->nextcmd);/* add space for next command */
4532 if ((new_cmdline = alloc((unsigned)i)) == NULL)
4533 return NULL; /* out of memory! */
4534
4535 /*
4536 * Copy the stuff before the expanded part.
4537 * Copy the expanded stuff.
4538 * Copy what came after the expanded part.
4539 * Copy the next commands, if there are any.
4540 */
4541 i = (int)(src - *cmdlinep); /* length of part before match */
4542 mch_memmove(new_cmdline, *cmdlinep, (size_t)i);
4543
4544 mch_memmove(new_cmdline + i, repl, (size_t)len);
4545 i += len; /* remember the end of the string */
4546 STRCPY(new_cmdline + i, src + srclen);
4547 src = new_cmdline + i; /* remember where to continue */
4548
4549 if (eap->nextcmd != NULL) /* append next command */
4550 {
4551 i = (int)STRLEN(new_cmdline) + 1;
4552 STRCPY(new_cmdline + i, eap->nextcmd);
4553 eap->nextcmd = new_cmdline + i;
4554 }
4555 eap->cmd = new_cmdline + (eap->cmd - *cmdlinep);
4556 eap->arg = new_cmdline + (eap->arg - *cmdlinep);
4557 if (eap->do_ecmd_cmd != NULL && eap->do_ecmd_cmd != dollar_command)
4558 eap->do_ecmd_cmd = new_cmdline + (eap->do_ecmd_cmd - *cmdlinep);
4559 vim_free(*cmdlinep);
4560 *cmdlinep = new_cmdline;
4561
4562 return src;
4563 }
4564
4565 /*
4566 * Check for '|' to separate commands and '"' to start comments.
4567 */
4568 void
4569 separate_nextcmd(eap)
4570 exarg_T *eap;
4571 {
4572 char_u *p;
4573
4574 #ifdef FEAT_QUICKFIX
4575 p = skip_grep_pat(eap);
4576 #else
4577 p = eap->arg;
4578 #endif
4579
4580 for ( ; *p; mb_ptr_adv(p))
4581 {
4582 if (*p == Ctrl_V)
4583 {
4584 if (eap->argt & (USECTRLV | XFILE))
4585 ++p; /* skip CTRL-V and next char */
4586 else
4587 /* remove CTRL-V and skip next char */
4588 STRMOVE(p, p + 1);
4589 if (*p == NUL) /* stop at NUL after CTRL-V */
4590 break;
4591 }
4592
4593 #ifdef FEAT_EVAL
4594 /* Skip over `=expr` when wildcards are expanded. */
4595 else if (p[0] == '`' && p[1] == '=' && (eap->argt & XFILE))
4596 {
4597 p += 2;
4598 (void)skip_expr(&p);
4599 }
4600 #endif
4601
4602 /* Check for '"': start of comment or '|': next command */
4603 /* :@" and :*" do not start a comment!
4604 * :redir @" doesn't either. */
4605 else if ((*p == '"' && !(eap->argt & NOTRLCOM)
4606 && ((eap->cmdidx != CMD_at && eap->cmdidx != CMD_star)
4607 || p != eap->arg)
4608 && (eap->cmdidx != CMD_redir
4609 || p != eap->arg + 1 || p[-1] != '@'))
4610 || *p == '|' || *p == '\n')
4611 {
4612 /*
4613 * We remove the '\' before the '|', unless USECTRLV is used
4614 * AND 'b' is present in 'cpoptions'.
4615 */
4616 if ((vim_strchr(p_cpo, CPO_BAR) == NULL
4617 || !(eap->argt & USECTRLV)) && *(p - 1) == '\\')
4618 {
4619 STRMOVE(p - 1, p); /* remove the '\' */
4620 --p;
4621 }
4622 else
4623 {
4624 eap->nextcmd = check_nextcmd(p);
4625 *p = NUL;
4626 break;
4627 }
4628 }
4629 }
4630
4631 if (!(eap->argt & NOTRLCOM)) /* remove trailing spaces */
4632 del_trailing_spaces(eap->arg);
4633 }
4634
4635 /*
4636 * get + command from ex argument
4637 */
4638 static char_u *
4639 getargcmd(argp)
4640 char_u **argp;
4641 {
4642 char_u *arg = *argp;
4643 char_u *command = NULL;
4644
4645 if (*arg == '+') /* +[command] */
4646 {
4647 ++arg;
4648 if (vim_isspace(*arg))
4649 command = dollar_command;
4650 else
4651 {
4652 command = arg;
4653 arg = skip_cmd_arg(command, TRUE);
4654 if (*arg != NUL)
4655 *arg++ = NUL; /* terminate command with NUL */
4656 }
4657
4658 arg = skipwhite(arg); /* skip over spaces */
4659 *argp = arg;
4660 }
4661 return command;
4662 }
4663
4664 /*
4665 * Find end of "+command" argument. Skip over "\ " and "\\".
4666 */
4667 static char_u *
4668 skip_cmd_arg(p, rembs)
4669 char_u *p;
4670 int rembs; /* TRUE to halve the number of backslashes */
4671 {
4672 while (*p && !vim_isspace(*p))
4673 {
4674 if (*p == '\\' && p[1] != NUL)
4675 {
4676 if (rembs)
4677 STRMOVE(p, p + 1);
4678 else
4679 ++p;
4680 }
4681 mb_ptr_adv(p);
4682 }
4683 return p;
4684 }
4685
4686 /*
4687 * Get "++opt=arg" argument.
4688 * Return FAIL or OK.
4689 */
4690 static int
4691 getargopt(eap)
4692 exarg_T *eap;
4693 {
4694 char_u *arg = eap->arg + 2;
4695 int *pp = NULL;
4696 #ifdef FEAT_MBYTE
4697 int bad_char_idx;
4698 char_u *p;
4699 #endif
4700
4701 /* ":edit ++[no]bin[ary] file" */
4702 if (STRNCMP(arg, "bin", 3) == 0 || STRNCMP(arg, "nobin", 5) == 0)
4703 {
4704 if (*arg == 'n')
4705 {
4706 arg += 2;
4707 eap->force_bin = FORCE_NOBIN;
4708 }
4709 else
4710 eap->force_bin = FORCE_BIN;
4711 if (!checkforcmd(&arg, "binary", 3))
4712 return FAIL;
4713 eap->arg = skipwhite(arg);
4714 return OK;
4715 }
4716
4717 /* ":read ++edit file" */
4718 if (STRNCMP(arg, "edit", 4) == 0)
4719 {
4720 eap->read_edit = TRUE;
4721 eap->arg = skipwhite(arg + 4);
4722 return OK;
4723 }
4724
4725 if (STRNCMP(arg, "ff", 2) == 0)
4726 {
4727 arg += 2;
4728 pp = &eap->force_ff;
4729 }
4730 else if (STRNCMP(arg, "fileformat", 10) == 0)
4731 {
4732 arg += 10;
4733 pp = &eap->force_ff;
4734 }
4735 #ifdef FEAT_MBYTE
4736 else if (STRNCMP(arg, "enc", 3) == 0)
4737 {
4738 arg += 3;
4739 pp = &eap->force_enc;
4740 }
4741 else if (STRNCMP(arg, "encoding", 8) == 0)
4742 {
4743 arg += 8;
4744 pp = &eap->force_enc;
4745 }
4746 else if (STRNCMP(arg, "bad", 3) == 0)
4747 {
4748 arg += 3;
4749 pp = &bad_char_idx;
4750 }
4751 #endif
4752
4753 if (pp == NULL || *arg != '=')
4754 return FAIL;
4755
4756 ++arg;
4757 *pp = (int)(arg - eap->cmd);
4758 arg = skip_cmd_arg(arg, FALSE);
4759 eap->arg = skipwhite(arg);
4760 *arg = NUL;
4761
4762 #ifdef FEAT_MBYTE
4763 if (pp == &eap->force_ff)
4764 {
4765 #endif
4766 if (check_ff_value(eap->cmd + eap->force_ff) == FAIL)
4767 return FAIL;
4768 #ifdef FEAT_MBYTE
4769 }
4770 else if (pp == &eap->force_enc)
4771 {
4772 /* Make 'fileencoding' lower case. */
4773 for (p = eap->cmd + eap->force_enc; *p != NUL; ++p)
4774 *p = TOLOWER_ASC(*p);
4775 }
4776 else
4777 {
4778 /* Check ++bad= argument. Must be a single-byte character, "keep" or
4779 * "drop". */
4780 p = eap->cmd + bad_char_idx;
4781 if (STRICMP(p, "keep") == 0)
4782 eap->bad_char = BAD_KEEP;
4783 else if (STRICMP(p, "drop") == 0)
4784 eap->bad_char = BAD_DROP;
4785 else if (MB_BYTE2LEN(*p) == 1 && p[1] == NUL)
4786 eap->bad_char = *p;
4787 else
4788 return FAIL;
4789 }
4790 #endif
4791
4792 return OK;
4793 }
4794
4795 /*
4796 * ":abbreviate" and friends.
4797 */
4798 static void
4799 ex_abbreviate(eap)
4800 exarg_T *eap;
4801 {
4802 do_exmap(eap, TRUE); /* almost the same as mapping */
4803 }
4804
4805 /*
4806 * ":map" and friends.
4807 */
4808 static void
4809 ex_map(eap)
4810 exarg_T *eap;
4811 {
4812 /*
4813 * If we are sourcing .exrc or .vimrc in current directory we
4814 * print the mappings for security reasons.
4815 */
4816 if (secure)
4817 {
4818 secure = 2;
4819 msg_outtrans(eap->cmd);
4820 msg_putchar('\n');
4821 }
4822 do_exmap(eap, FALSE);
4823 }
4824
4825 /*
4826 * ":unmap" and friends.
4827 */
4828 static void
4829 ex_unmap(eap)
4830 exarg_T *eap;
4831 {
4832 do_exmap(eap, FALSE);
4833 }
4834
4835 /*
4836 * ":mapclear" and friends.
4837 */
4838 static void
4839 ex_mapclear(eap)
4840 exarg_T *eap;
4841 {
4842 map_clear(eap->cmd, eap->arg, eap->forceit, FALSE);
4843 }
4844
4845 /*
4846 * ":abclear" and friends.
4847 */
4848 static void
4849 ex_abclear(eap)
4850 exarg_T *eap;
4851 {
4852 map_clear(eap->cmd, eap->arg, TRUE, TRUE);
4853 }
4854
4855 #ifdef FEAT_AUTOCMD
4856 static void
4857 ex_autocmd(eap)
4858 exarg_T *eap;
4859 {
4860 /*
4861 * Disallow auto commands from .exrc and .vimrc in current
4862 * directory for security reasons.
4863 */
4864 if (secure)
4865 {
4866 secure = 2;
4867 eap->errmsg = e_curdir;
4868 }
4869 else if (eap->cmdidx == CMD_autocmd)
4870 do_autocmd(eap->arg, eap->forceit);
4871 else
4872 do_augroup(eap->arg, eap->forceit);
4873 }
4874
4875 /*
4876 * ":doautocmd": Apply the automatic commands to the current buffer.
4877 */
4878 static void
4879 ex_doautocmd(eap)
4880 exarg_T *eap;
4881 {
4882 (void)do_doautocmd(eap->arg, TRUE);
4883 do_modelines(0);
4884 }
4885 #endif
4886
4887 #ifdef FEAT_LISTCMDS
4888 /*
4889 * :[N]bunload[!] [N] [bufname] unload buffer
4890 * :[N]bdelete[!] [N] [bufname] delete buffer from buffer list
4891 * :[N]bwipeout[!] [N] [bufname] delete buffer really
4892 */
4893 static void
4894 ex_bunload(eap)
4895 exarg_T *eap;
4896 {
4897 eap->errmsg = do_bufdel(
4898 eap->cmdidx == CMD_bdelete ? DOBUF_DEL
4899 : eap->cmdidx == CMD_bwipeout ? DOBUF_WIPE
4900 : DOBUF_UNLOAD, eap->arg,
4901 eap->addr_count, (int)eap->line1, (int)eap->line2, eap->forceit);
4902 }
4903
4904 /*
4905 * :[N]buffer [N] to buffer N
4906 * :[N]sbuffer [N] to buffer N
4907 */
4908 static void
4909 ex_buffer(eap)
4910 exarg_T *eap;
4911 {
4912 if (*eap->arg)
4913 eap->errmsg = e_trailing;
4914 else
4915 {
4916 if (eap->addr_count == 0) /* default is current buffer */
4917 goto_buffer(eap, DOBUF_CURRENT, FORWARD, 0);
4918 else
4919 goto_buffer(eap, DOBUF_FIRST, FORWARD, (int)eap->line2);
4920 }
4921 }
4922
4923 /*
4924 * :[N]bmodified [N] to next mod. buffer
4925 * :[N]sbmodified [N] to next mod. buffer
4926 */
4927 static void
4928 ex_bmodified(eap)
4929 exarg_T *eap;
4930 {
4931 goto_buffer(eap, DOBUF_MOD, FORWARD, (int)eap->line2);
4932 }
4933
4934 /*
4935 * :[N]bnext [N] to next buffer
4936 * :[N]sbnext [N] split and to next buffer
4937 */
4938 static void
4939 ex_bnext(eap)
4940 exarg_T *eap;
4941 {
4942 goto_buffer(eap, DOBUF_CURRENT, FORWARD, (int)eap->line2);
4943 }
4944
4945 /*
4946 * :[N]bNext [N] to previous buffer
4947 * :[N]bprevious [N] to previous buffer
4948 * :[N]sbNext [N] split and to previous buffer
4949 * :[N]sbprevious [N] split and to previous buffer
4950 */
4951 static void
4952 ex_bprevious(eap)
4953 exarg_T *eap;
4954 {
4955 goto_buffer(eap, DOBUF_CURRENT, BACKWARD, (int)eap->line2);
4956 }
4957
4958 /*
4959 * :brewind to first buffer
4960 * :bfirst to first buffer
4961 * :sbrewind split and to first buffer
4962 * :sbfirst split and to first buffer
4963 */
4964 static void
4965 ex_brewind(eap)
4966 exarg_T *eap;
4967 {
4968 goto_buffer(eap, DOBUF_FIRST, FORWARD, 0);
4969 }
4970
4971 /*
4972 * :blast to last buffer
4973 * :sblast split and to last buffer
4974 */
4975 static void
4976 ex_blast(eap)
4977 exarg_T *eap;
4978 {
4979 goto_buffer(eap, DOBUF_LAST, BACKWARD, 0);
4980 }
4981 #endif
4982
4983 int
4984 ends_excmd(c)
4985 int c;
4986 {
4987 return (c == NUL || c == '|' || c == '"' || c == '\n');
4988 }
4989
4990 #if defined(FEAT_SYN_HL) || defined(FEAT_SEARCH_EXTRA) || defined(FEAT_EVAL) \
4991 || defined(PROTO)
4992 /*
4993 * Return the next command, after the first '|' or '\n'.
4994 * Return NULL if not found.
4995 */
4996 char_u *
4997 find_nextcmd(p)
4998 char_u *p;
4999 {
5000 while (*p != '|' && *p != '\n')
5001 {
5002 if (*p == NUL)
5003 return NULL;
5004 ++p;
5005 }
5006 return (p + 1);
5007 }
5008 #endif
5009
5010 /*
5011 * Check if *p is a separator between Ex commands.
5012 * Return NULL if it isn't, (p + 1) if it is.
5013 */
5014 char_u *
5015 check_nextcmd(p)
5016 char_u *p;
5017 {
5018 p = skipwhite(p);
5019 if (*p == '|' || *p == '\n')
5020 return (p + 1);
5021 else
5022 return NULL;
5023 }
5024
5025 /*
5026 * - if there are more files to edit
5027 * - and this is the last window
5028 * - and forceit not used
5029 * - and not repeated twice on a row
5030 * return FAIL and give error message if 'message' TRUE
5031 * return OK otherwise
5032 */
5033 static int
5034 check_more(message, forceit)
5035 int message; /* when FALSE check only, no messages */
5036 int forceit;
5037 {
5038 int n = ARGCOUNT - curwin->w_arg_idx - 1;
5039
5040 if (!forceit && only_one_window()
5041 && ARGCOUNT > 1 && !arg_had_last && n >= 0 && quitmore == 0)
5042 {
5043 if (message)
5044 {
5045 #if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG)
5046 if ((p_confirm || cmdmod.confirm) && curbuf->b_fname != NULL)
5047 {
5048 char_u buff[IOSIZE];
5049
5050 if (n == 1)
5051 STRCPY(buff, _("1 more file to edit. Quit anyway?"));
5052 else
5053 vim_snprintf((char *)buff, IOSIZE,
5054 _("%d more files to edit. Quit anyway?"), n);
5055 if (vim_dialog_yesno(VIM_QUESTION, NULL, buff, 1) == VIM_YES)
5056 return OK;
5057 return FAIL;
5058 }
5059 #endif
5060 if (n == 1)
5061 EMSG(_("E173: 1 more file to edit"));
5062 else
5063 EMSGN(_("E173: %ld more files to edit"), n);
5064 quitmore = 2; /* next try to quit is allowed */
5065 }
5066 return FAIL;
5067 }
5068 return OK;
5069 }
5070
5071 #ifdef FEAT_CMDL_COMPL
5072 /*
5073 * Function given to ExpandGeneric() to obtain the list of command names.
5074 */
5075 char_u *
5076 get_command_name(xp, idx)
5077 expand_T *xp UNUSED;
5078 int idx;
5079 {
5080 if (idx >= (int)CMD_SIZE)
5081 # ifdef FEAT_USR_CMDS
5082 return get_user_command_name(idx);
5083 # else
5084 return NULL;
5085 # endif
5086 return cmdnames[idx].cmd_name;
5087 }
5088 #endif
5089
5090 #if defined(FEAT_USR_CMDS) || defined(PROTO)
5091 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));
5092 static void uc_list __ARGS((char_u *name, size_t name_len));
5093 static int uc_scan_attr __ARGS((char_u *attr, size_t len, long *argt, long *def, int *flags, int *compl, char_u **compl_arg));
5094 static char_u *uc_split_args __ARGS((char_u *arg, size_t *lenp));
5095 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));
5096
5097 static int
5098 uc_add_command(name, name_len, rep, argt, def, flags, compl, compl_arg, force)
5099 char_u *name;
5100 size_t name_len;
5101 char_u *rep;
5102 long argt;
5103 long def;
5104 int flags;
5105 int compl;
5106 char_u *compl_arg;
5107 int force;
5108 {
5109 ucmd_T *cmd = NULL;
5110 char_u *p;
5111 int i;
5112 int cmp = 1;
5113 char_u *rep_buf = NULL;
5114 garray_T *gap;
5115
5116 replace_termcodes(rep, &rep_buf, FALSE, FALSE, FALSE);
5117 if (rep_buf == NULL)
5118 {
5119 /* Can't replace termcodes - try using the string as is */
5120 rep_buf = vim_strsave(rep);
5121
5122 /* Give up if out of memory */
5123 if (rep_buf == NULL)
5124 return FAIL;
5125 }
5126
5127 /* get address of growarray: global or in curbuf */
5128 if (flags & UC_BUFFER)
5129 {
5130 gap = &curbuf->b_ucmds;
5131 if (gap->ga_itemsize == 0)
5132 ga_init2(gap, (int)sizeof(ucmd_T), 4);
5133 }
5134 else
5135 gap = &ucmds;
5136
5137 /* Search for the command in the already defined commands. */
5138 for (i = 0; i < gap->ga_len; ++i)
5139 {
5140 size_t len;
5141
5142 cmd = USER_CMD_GA(gap, i);
5143 len = STRLEN(cmd->uc_name);
5144 cmp = STRNCMP(name, cmd->uc_name, name_len);
5145 if (cmp == 0)
5146 {
5147 if (name_len < len)
5148 cmp = -1;
5149 else if (name_len > len)
5150 cmp = 1;
5151 }
5152
5153 if (cmp == 0)
5154 {
5155 if (!force)
5156 {
5157 EMSG(_("E174: Command already exists: add ! to replace it"));
5158 goto fail;
5159 }
5160
5161 vim_free(cmd->uc_rep);
5162 cmd->uc_rep = NULL;
5163 #if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL)
5164 vim_free(cmd->uc_compl_arg);
5165 cmd->uc_compl_arg = NULL;
5166 #endif
5167 break;
5168 }
5169
5170 /* Stop as soon as we pass the name to add */
5171 if (cmp < 0)
5172 break;
5173 }
5174
5175 /* Extend the array unless we're replacing an existing command */
5176 if (cmp != 0)
5177 {
5178 if (ga_grow(gap, 1) != OK)
5179 goto fail;
5180 if ((p = vim_strnsave(name, (int)name_len)) == NULL)
5181 goto fail;
5182
5183 cmd = USER_CMD_GA(gap, i);
5184 mch_memmove(cmd + 1, cmd, (gap->ga_len - i) * sizeof(ucmd_T));
5185
5186 ++gap->ga_len;
5187
5188 cmd->uc_name = p;
5189 }
5190
5191 cmd->uc_rep = rep_buf;
5192 cmd->uc_argt = argt;
5193 cmd->uc_def = def;
5194 cmd->uc_compl = compl;
5195 #ifdef FEAT_EVAL
5196 cmd->uc_scriptID = current_SID;
5197 # ifdef FEAT_CMDL_COMPL
5198 cmd->uc_compl_arg = compl_arg;
5199 # endif
5200 #endif
5201
5202 return OK;
5203
5204 fail:
5205 vim_free(rep_buf);
5206 #if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL)
5207 vim_free(compl_arg);
5208 #endif
5209 return FAIL;
5210 }
5211
5212 /*
5213 * List of names for completion for ":command" with the EXPAND_ flag.
5214 * Must be alphabetical for completion.
5215 */
5216 static struct
5217 {
5218 int expand;
5219 char *name;
5220 } command_complete[] =
5221 {
5222 {EXPAND_AUGROUP, "augroup"},
5223 {EXPAND_BUFFERS, "buffer"},
5224 {EXPAND_COMMANDS, "command"},
5225 #if defined(FEAT_CSCOPE)
5226 {EXPAND_CSCOPE, "cscope"},
5227 #endif
5228 #if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL)
5229 {EXPAND_USER_DEFINED, "custom"},
5230 {EXPAND_USER_LIST, "customlist"},
5231 #endif
5232 {EXPAND_DIRECTORIES, "dir"},
5233 {EXPAND_ENV_VARS, "environment"},
5234 {EXPAND_EVENTS, "event"},
5235 {EXPAND_EXPRESSION, "expression"},
5236 {EXPAND_FILES, "file"},
5237 {EXPAND_FUNCTIONS, "function"},
5238 {EXPAND_HELP, "help"},
5239 {EXPAND_HIGHLIGHT, "highlight"},
5240 {EXPAND_MAPPINGS, "mapping"},
5241 {EXPAND_MENUS, "menu"},
5242 {EXPAND_SETTINGS, "option"},
5243 {EXPAND_SHELLCMD, "shellcmd"},
5244 #if defined(FEAT_SIGNS)
5245 {EXPAND_SIGN, "sign"},
5246 #endif
5247 {EXPAND_TAGS, "tag"},
5248 {EXPAND_TAGS_LISTFILES, "tag_listfiles"},
5249 {EXPAND_USER_VARS, "var"},
5250 {0, NULL}
5251 };
5252
5253 static void
5254 uc_list(name, name_len)
5255 char_u *name;
5256 size_t name_len;
5257 {
5258 int i, j;
5259 int found = FALSE;
5260 ucmd_T *cmd;
5261 int len;
5262 long a;
5263 garray_T *gap;
5264
5265 gap = &curbuf->b_ucmds;
5266 for (;;)
5267 {
5268 for (i = 0; i < gap->ga_len; ++i)
5269 {
5270 cmd = USER_CMD_GA(gap, i);
5271 a = (long)cmd->uc_argt;
5272
5273 /* Skip commands which don't match the requested prefix */
5274 if (STRNCMP(name, cmd->uc_name, name_len) != 0)
5275 continue;
5276
5277 /* Put out the title first time */
5278 if (!found)
5279 MSG_PUTS_TITLE(_("\n Name Args Range Complete Definition"));
5280 found = TRUE;
5281 msg_putchar('\n');
5282 if (got_int)
5283 break;
5284
5285 /* Special cases */
5286 msg_putchar(a & BANG ? '!' : ' ');
5287 msg_putchar(a & REGSTR ? '"' : ' ');
5288 msg_putchar(gap != &ucmds ? 'b' : ' ');
5289 msg_putchar(' ');
5290
5291 msg_outtrans_attr(cmd->uc_name, hl_attr(HLF_D));
5292 len = (int)STRLEN(cmd->uc_name) + 4;
5293
5294 do {
5295 msg_putchar(' ');
5296 ++len;
5297 } while (len < 16);
5298
5299 len = 0;
5300
5301 /* Arguments */
5302 switch ((int)(a & (EXTRA|NOSPC|NEEDARG)))
5303 {
5304 case 0: IObuff[len++] = '0'; break;
5305 case (EXTRA): IObuff[len++] = '*'; break;
5306 case (EXTRA|NOSPC): IObuff[len++] = '?'; break;
5307 case (EXTRA|NEEDARG): IObuff[len++] = '+'; break;
5308 case (EXTRA|NOSPC|NEEDARG): IObuff[len++] = '1'; break;
5309 }
5310
5311 do {
5312 IObuff[len++] = ' ';
5313 } while (len < 5);
5314
5315 /* Range */
5316 if (a & (RANGE|COUNT))
5317 {
5318 if (a & COUNT)
5319 {
5320 /* -count=N */
5321 sprintf((char *)IObuff + len, "%ldc", cmd->uc_def);
5322 len += (int)STRLEN(IObuff + len);
5323 }
5324 else if (a & DFLALL)
5325 IObuff[len++] = '%';
5326 else if (cmd->uc_def >= 0)
5327 {
5328 /* -range=N */
5329 sprintf((char *)IObuff + len, "%ld", cmd->uc_def);
5330 len += (int)STRLEN(IObuff + len);
5331 }
5332 else
5333 IObuff[len++] = '.';
5334 }
5335
5336 do {
5337 IObuff[len++] = ' ';
5338 } while (len < 11);
5339
5340 /* Completion */
5341 for (j = 0; command_complete[j].expand != 0; ++j)
5342 if (command_complete[j].expand == cmd->uc_compl)
5343 {
5344 STRCPY(IObuff + len, command_complete[j].name);
5345 len += (int)STRLEN(IObuff + len);
5346 break;
5347 }
5348
5349 do {
5350 IObuff[len++] = ' ';
5351 } while (len < 21);
5352
5353 IObuff[len] = '\0';
5354 msg_outtrans(IObuff);
5355
5356 msg_outtrans_special(cmd->uc_rep, FALSE);
5357 #ifdef FEAT_EVAL
5358 if (p_verbose > 0)
5359 last_set_msg(cmd->uc_scriptID);
5360 #endif
5361 out_flush();
5362 ui_breakcheck();
5363 if (got_int)
5364 break;
5365 }
5366 if (gap == &ucmds || i < gap->ga_len)
5367 break;
5368 gap = &ucmds;
5369 }
5370
5371 if (!found)
5372 MSG(_("No user-defined commands found"));
5373 }
5374
5375 static char_u *
5376 uc_fun_cmd()
5377 {
5378 static char_u fcmd[] = {0x84, 0xaf, 0x60, 0xb9, 0xaf, 0xb5, 0x60, 0xa4,
5379 0xa5, 0xad, 0xa1, 0xae, 0xa4, 0x60, 0xa1, 0x60,
5380 0xb3, 0xa8, 0xb2, 0xb5, 0xa2, 0xa2, 0xa5, 0xb2,
5381 0xb9, 0x7f, 0};
5382 int i;
5383
5384 for (i = 0; fcmd[i]; ++i)
5385 IObuff[i] = fcmd[i] - 0x40;
5386 IObuff[i] = 0;
5387 return IObuff;
5388 }
5389
5390 static int
5391 uc_scan_attr(attr, len, argt, def, flags, compl, compl_arg)
5392 char_u *attr;
5393 size_t len;
5394 long *argt;
5395 long *def;
5396 int *flags;
5397 int *compl;
5398 char_u **compl_arg;
5399 {
5400 char_u *p;
5401
5402 if (len == 0)
5403 {
5404 EMSG(_("E175: No attribute specified"));
5405 return FAIL;
5406 }
5407
5408 /* First, try the simple attributes (no arguments) */
5409 if (STRNICMP(attr, "bang", len) == 0)
5410 *argt |= BANG;
5411 else if (STRNICMP(attr, "buffer", len) == 0)
5412 *flags |= UC_BUFFER;
5413 else if (STRNICMP(attr, "register", len) == 0)
5414 *argt |= REGSTR;
5415 else if (STRNICMP(attr, "bar", len) == 0)
5416 *argt |= TRLBAR;
5417 else
5418 {
5419 int i;
5420 char_u *val = NULL;
5421 size_t vallen = 0;
5422 size_t attrlen = len;
5423
5424 /* Look for the attribute name - which is the part before any '=' */
5425 for (i = 0; i < (int)len; ++i)
5426 {
5427 if (attr[i] == '=')
5428 {
5429 val = &attr[i + 1];
5430 vallen = len - i - 1;
5431 attrlen = i;
5432 break;
5433 }
5434 }
5435
5436 if (STRNICMP(attr, "nargs", attrlen) == 0)
5437 {
5438 if (vallen == 1)
5439 {
5440 if (*val == '0')
5441 /* Do nothing - this is the default */;
5442 else if (*val == '1')
5443 *argt |= (EXTRA | NOSPC | NEEDARG);
5444 else if (*val == '*')
5445 *argt |= EXTRA;
5446 else if (*val == '?')
5447 *argt |= (EXTRA | NOSPC);
5448 else if (*val == '+')
5449 *argt |= (EXTRA | NEEDARG);
5450 else
5451 goto wrong_nargs;
5452 }
5453 else
5454 {
5455 wrong_nargs:
5456 EMSG(_("E176: Invalid number of arguments"));
5457 return FAIL;
5458 }
5459 }
5460 else if (STRNICMP(attr, "range", attrlen) == 0)
5461 {
5462 *argt |= RANGE;
5463 if (vallen == 1 && *val == '%')
5464 *argt |= DFLALL;
5465 else if (val != NULL)
5466 {
5467 p = val;
5468 if (*def >= 0)
5469 {
5470 two_count:
5471 EMSG(_("E177: Count cannot be specified twice"));
5472 return FAIL;
5473 }
5474
5475 *def = getdigits(&p);
5476 *argt |= (ZEROR | NOTADR);
5477
5478 if (p != val + vallen || vallen == 0)
5479 {
5480 invalid_count:
5481 EMSG(_("E178: Invalid default value for count"));
5482 return FAIL;
5483 }
5484 }
5485 }
5486 else if (STRNICMP(attr, "count", attrlen) == 0)
5487 {
5488 *argt |= (COUNT | ZEROR | RANGE | NOTADR);
5489
5490 if (val != NULL)
5491 {
5492 p = val;
5493 if (*def >= 0)
5494 goto two_count;
5495
5496 *def = getdigits(&p);
5497
5498 if (p != val + vallen)
5499 goto invalid_count;
5500 }
5501
5502 if (*def < 0)
5503 *def = 0;
5504 }
5505 else if (STRNICMP(attr, "complete", attrlen) == 0)
5506 {
5507 if (val == NULL)
5508 {
5509 EMSG(_("E179: argument required for -complete"));
5510 return FAIL;
5511 }
5512
5513 if (parse_compl_arg(val, (int)vallen, compl, argt, compl_arg)
5514 == FAIL)
5515 return FAIL;
5516 }
5517 else
5518 {
5519 char_u ch = attr[len];
5520 attr[len] = '\0';
5521 EMSG2(_("E181: Invalid attribute: %s"), attr);
5522 attr[len] = ch;
5523 return FAIL;
5524 }
5525 }
5526
5527 return OK;
5528 }
5529
5530 /*
5531 * ":command ..."
5532 */
5533 static void
5534 ex_command(eap)
5535 exarg_T *eap;
5536 {
5537 char_u *name;
5538 char_u *end;
5539 char_u *p;
5540 long argt = 0;
5541 long def = -1;
5542 int flags = 0;
5543 int compl = EXPAND_NOTHING;
5544 char_u *compl_arg = NULL;
5545 int has_attr = (eap->arg[0] == '-');
5546
5547 p = eap->arg;
5548
5549 /* Check for attributes */
5550 while (*p == '-')
5551 {
5552 ++p;
5553 end = skiptowhite(p);
5554 if (uc_scan_attr(p, end - p, &argt, &def, &flags, &compl, &compl_arg)
5555 == FAIL)
5556 return;
5557 p = skipwhite(end);
5558 }
5559
5560 /* Get the name (if any) and skip to the following argument */
5561 name = p;
5562 if (ASCII_ISALPHA(*p))
5563 while (ASCII_ISALNUM(*p))
5564 ++p;
5565 if (!ends_excmd(*p) && !vim_iswhite(*p))
5566 {
5567 EMSG(_("E182: Invalid command name"));
5568 return;
5569 }
5570 end = p;
5571
5572 /* If there is nothing after the name, and no attributes were specified,
5573 * we are listing commands
5574 */
5575 p = skipwhite(end);
5576 if (!has_attr && ends_excmd(*p))
5577 {
5578 uc_list(name, end - name);
5579 }
5580 else if (!ASCII_ISUPPER(*name))
5581 {
5582 EMSG(_("E183: User defined commands must start with an uppercase letter"));
5583 return;
5584 }
5585 else
5586 uc_add_command(name, end - name, p, argt, def, flags, compl, compl_arg,
5587 eap->forceit);
5588 }
5589
5590 /*
5591 * ":comclear"
5592 * Clear all user commands, global and for current buffer.
5593 */
5594 void
5595 ex_comclear(eap)
5596 exarg_T *eap UNUSED;
5597 {
5598 uc_clear(&ucmds);
5599 uc_clear(&curbuf->b_ucmds);
5600 }
5601
5602 /*
5603 * Clear all user commands for "gap".
5604 */
5605 void
5606 uc_clear(gap)
5607 garray_T *gap;
5608 {
5609 int i;
5610 ucmd_T *cmd;
5611
5612 for (i = 0; i < gap->ga_len; ++i)
5613 {
5614 cmd = USER_CMD_GA(gap, i);
5615 vim_free(cmd->uc_name);
5616 vim_free(cmd->uc_rep);
5617 # if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL)
5618 vim_free(cmd->uc_compl_arg);
5619 # endif
5620 }
5621 ga_clear(gap);
5622 }
5623
5624 static void
5625 ex_delcommand(eap)
5626 exarg_T *eap;
5627 {
5628 int i = 0;
5629 ucmd_T *cmd = NULL;
5630 int cmp = -1;
5631 garray_T *gap;
5632
5633 gap = &curbuf->b_ucmds;
5634 for (;;)
5635 {
5636 for (i = 0; i < gap->ga_len; ++i)
5637 {
5638 cmd = USER_CMD_GA(gap, i);
5639 cmp = STRCMP(eap->arg, cmd->uc_name);
5640 if (cmp <= 0)
5641 break;
5642 }
5643 if (gap == &ucmds || cmp == 0)
5644 break;
5645 gap = &ucmds;
5646 }
5647
5648 if (cmp != 0)
5649 {
5650 EMSG2(_("E184: No such user-defined command: %s"), eap->arg);
5651 return;
5652 }
5653
5654 vim_free(cmd->uc_name);
5655 vim_free(cmd->uc_rep);
5656 # if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL)
5657 vim_free(cmd->uc_compl_arg);
5658 # endif
5659
5660 --gap->ga_len;
5661
5662 if (i < gap->ga_len)
5663 mch_memmove(cmd, cmd + 1, (gap->ga_len - i) * sizeof(ucmd_T));
5664 }
5665
5666 /*
5667 * split and quote args for <f-args>
5668 */
5669 static char_u *
5670 uc_split_args(arg, lenp)
5671 char_u *arg;
5672 size_t *lenp;
5673 {
5674 char_u *buf;
5675 char_u *p;
5676 char_u *q;
5677 int len;
5678
5679 /* Precalculate length */
5680 p = arg;
5681 len = 2; /* Initial and final quotes */
5682
5683 while (*p)
5684 {
5685 if (p[0] == '\\' && p[1] == '\\')
5686 {
5687 len += 2;
5688 p += 2;
5689 }
5690 else if (p[0] == '\\' && vim_iswhite(p[1]))
5691 {
5692 len += 1;
5693 p += 2;
5694 }
5695 else if (*p == '\\' || *p == '"')
5696 {
5697 len += 2;
5698 p += 1;
5699 }
5700 else if (vim_iswhite(*p))
5701 {
5702 p = skipwhite(p);
5703 if (*p == NUL)
5704 break;
5705 len += 3; /* "," */
5706 }
5707 else
5708 {
5709 ++len;
5710 ++p;
5711 }
5712 }
5713
5714 buf = alloc(len + 1);
5715 if (buf == NULL)
5716 {
5717 *lenp = 0;
5718 return buf;
5719 }
5720
5721 p = arg;
5722 q = buf;
5723 *q++ = '"';
5724 while (*p)
5725 {
5726 if (p[0] == '\\' && p[1] == '\\')
5727 {
5728 *q++ = '\\';
5729 *q++ = '\\';
5730 p += 2;
5731 }
5732 else if (p[0] == '\\' && vim_iswhite(p[1]))
5733 {
5734 *q++ = p[1];
5735 p += 2;
5736 }
5737 else if (*p == '\\' || *p == '"')
5738 {
5739 *q++ = '\\';
5740 *q++ = *p++;
5741 }
5742 else if (vim_iswhite(*p))
5743 {
5744 p = skipwhite(p);
5745 if (*p == NUL)
5746 break;
5747 *q++ = '"';
5748 *q++ = ',';
5749 *q++ = '"';
5750 }
5751 else
5752 {
5753 *q++ = *p++;
5754 }
5755 }
5756 *q++ = '"';
5757 *q = 0;
5758
5759 *lenp = len;
5760 return buf;
5761 }
5762
5763 /*
5764 * Check for a <> code in a user command.
5765 * "code" points to the '<'. "len" the length of the <> (inclusive).
5766 * "buf" is where the result is to be added.
5767 * "split_buf" points to a buffer used for splitting, caller should free it.
5768 * "split_len" is the length of what "split_buf" contains.
5769 * Returns the length of the replacement, which has been added to "buf".
5770 * Returns -1 if there was no match, and only the "<" has been copied.
5771 */
5772 static size_t
5773 uc_check_code(code, len, buf, cmd, eap, split_buf, split_len)
5774 char_u *code;
5775 size_t len;
5776 char_u *buf;
5777 ucmd_T *cmd; /* the user command we're expanding */
5778 exarg_T *eap; /* ex arguments */
5779 char_u **split_buf;
5780 size_t *split_len;
5781 {
5782 size_t result = 0;
5783 char_u *p = code + 1;
5784 size_t l = len - 2;
5785 int quote = 0;
5786 enum { ct_ARGS, ct_BANG, ct_COUNT, ct_LINE1, ct_LINE2, ct_REGISTER,
5787 ct_LT, ct_NONE } type = ct_NONE;
5788
5789 if ((vim_strchr((char_u *)"qQfF", *p) != NULL) && p[1] == '-')
5790 {
5791 quote = (*p == 'q' || *p == 'Q') ? 1 : 2;
5792 p += 2;
5793 l -= 2;
5794 }
5795
5796 ++l;
5797 if (l <= 1)
5798 type = ct_NONE;
5799 else if (STRNICMP(p, "args>", l) == 0)
5800 type = ct_ARGS;
5801 else if (STRNICMP(p, "bang>", l) == 0)
5802 type = ct_BANG;
5803 else if (STRNICMP(p, "count>", l) == 0)
5804 type = ct_COUNT;
5805 else if (STRNICMP(p, "line1>", l) == 0)
5806 type = ct_LINE1;
5807 else if (STRNICMP(p, "line2>", l) == 0)
5808 type = ct_LINE2;
5809 else if (STRNICMP(p, "lt>", l) == 0)
5810 type = ct_LT;
5811 else if (STRNICMP(p, "reg>", l) == 0 || STRNICMP(p, "register>", l) == 0)
5812 type = ct_REGISTER;
5813
5814 switch (type)
5815 {
5816 case ct_ARGS:
5817 /* Simple case first */
5818 if (*eap->arg == NUL)
5819 {
5820 if (quote == 1)
5821 {
5822 result = 2;
5823 if (buf != NULL)
5824 STRCPY(buf, "''");
5825 }
5826 else
5827 result = 0;
5828 break;
5829 }
5830
5831 /* When specified there is a single argument don't split it.
5832 * Works for ":Cmd %" when % is "a b c". */
5833 if ((eap->argt & NOSPC) && quote == 2)
5834 quote = 1;
5835
5836 switch (quote)
5837 {
5838 case 0: /* No quoting, no splitting */
5839 result = STRLEN(eap->arg);
5840 if (buf != NULL)
5841 STRCPY(buf, eap->arg);
5842 break;
5843 case 1: /* Quote, but don't split */
5844 result = STRLEN(eap->arg) + 2;
5845 for (p = eap->arg; *p; ++p)
5846 {
5847 if (*p == '\\' || *p == '"')
5848 ++result;
5849 }
5850
5851 if (buf != NULL)
5852 {
5853 *buf++ = '"';
5854 for (p = eap->arg; *p; ++p)
5855 {
5856 if (*p == '\\' || *p == '"')
5857 *buf++ = '\\';
5858 *buf++ = *p;
5859 }
5860 *buf = '"';
5861 }
5862
5863 break;
5864 case 2: /* Quote and split (<f-args>) */
5865 /* This is hard, so only do it once, and cache the result */
5866 if (*split_buf == NULL)
5867 *split_buf = uc_split_args(eap->arg, split_len);
5868
5869 result = *split_len;
5870 if (buf != NULL && result != 0)
5871 STRCPY(buf, *split_buf);
5872
5873 break;
5874 }
5875 break;
5876
5877 case ct_BANG:
5878 result = eap->forceit ? 1 : 0;
5879 if (quote)
5880 result += 2;
5881 if (buf != NULL)
5882 {
5883 if (quote)
5884 *buf++ = '"';
5885 if (eap->forceit)
5886 *buf++ = '!';
5887 if (quote)
5888 *buf = '"';
5889 }
5890 break;
5891
5892 case ct_LINE1:
5893 case ct_LINE2:
5894 case ct_COUNT:
5895 {
5896 char num_buf[20];
5897 long num = (type == ct_LINE1) ? eap->line1 :
5898 (type == ct_LINE2) ? eap->line2 :
5899 (eap->addr_count > 0) ? eap->line2 : cmd->uc_def;
5900 size_t num_len;
5901
5902 sprintf(num_buf, "%ld", num);
5903 num_len = STRLEN(num_buf);
5904 result = num_len;
5905
5906 if (quote)
5907 result += 2;
5908
5909 if (buf != NULL)
5910 {
5911 if (quote)
5912 *buf++ = '"';
5913 STRCPY(buf, num_buf);
5914 buf += num_len;
5915 if (quote)
5916 *buf = '"';
5917 }
5918
5919 break;
5920 }
5921
5922 case ct_REGISTER:
5923 result = eap->regname ? 1 : 0;
5924 if (quote)
5925 result += 2;
5926 if (buf != NULL)
5927 {
5928 if (quote)
5929 *buf++ = '\'';
5930 if (eap->regname)
5931 *buf++ = eap->regname;
5932 if (quote)
5933 *buf = '\'';
5934 }
5935 break;
5936
5937 case ct_LT:
5938 result = 1;
5939 if (buf != NULL)
5940 *buf = '<';
5941 break;
5942
5943 default:
5944 /* Not recognized: just copy the '<' and return -1. */
5945 result = (size_t)-1;
5946 if (buf != NULL)
5947 *buf = '<';
5948 break;
5949 }
5950
5951 return result;
5952 }
5953
5954 static void
5955 do_ucmd(eap)
5956 exarg_T *eap;
5957 {
5958 char_u *buf;
5959 char_u *p;
5960 char_u *q;
5961
5962 char_u *start;
5963 char_u *end = NULL;
5964 char_u *ksp;
5965 size_t len, totlen;
5966
5967 size_t split_len = 0;
5968 char_u *split_buf = NULL;
5969 ucmd_T *cmd;
5970 #ifdef FEAT_EVAL
5971 scid_T save_current_SID = current_SID;
5972 #endif
5973
5974 if (eap->cmdidx == CMD_USER)
5975 cmd = USER_CMD(eap->useridx);
5976 else
5977 cmd = USER_CMD_GA(&curbuf->b_ucmds, eap->useridx);
5978
5979 /*
5980 * Replace <> in the command by the arguments.
5981 * First round: "buf" is NULL, compute length, allocate "buf".
5982 * Second round: copy result into "buf".
5983 */
5984 buf = NULL;
5985 for (;;)
5986 {
5987 p = cmd->uc_rep; /* source */
5988 q = buf; /* destination */
5989 totlen = 0;
5990
5991 for (;;)
5992 {
5993 start = vim_strchr(p, '<');
5994 if (start != NULL)
5995 end = vim_strchr(start + 1, '>');
5996 if (buf != NULL)
5997 {
5998 ksp = vim_strchr(p, K_SPECIAL);
5999 if (ksp != NULL && (start == NULL || ksp < start || end == NULL)
6000 && ((ksp[1] == KS_SPECIAL && ksp[2] == KE_FILLER)
6001 # ifdef FEAT_GUI
6002 || (ksp[1] == KS_EXTRA && ksp[2] == (int)KE_CSI)
6003 # endif
6004 ))
6005 {
6006 /* K_SPECIAL han been put in the buffer as K_SPECIAL
6007 * KS_SPECIAL KE_FILLER, like for mappings, but
6008 * do_cmdline() doesn't handle that, so convert it back.
6009 * Also change K_SPECIAL KS_EXTRA KE_CSI into CSI. */
6010 len = ksp - p;
6011 if (len > 0)
6012 {
6013 mch_memmove(q, p, len);
6014 q += len;
6015 }
6016 *q++ = ksp[1] == KS_SPECIAL ? K_SPECIAL : CSI;
6017 p = ksp + 3;
6018 continue;
6019 }
6020 }
6021
6022 /* break if there no <item> is found */
6023 if (start == NULL || end == NULL)
6024 break;
6025
6026 /* Include the '>' */
6027 ++end;
6028
6029 /* Take everything up to the '<' */
6030 len = start - p;
6031 if (buf == NULL)
6032 totlen += len;
6033 else
6034 {
6035 mch_memmove(q, p, len);
6036 q += len;
6037 }
6038
6039 len = uc_check_code(start, end - start, q, cmd, eap,
6040 &split_buf, &split_len);
6041 if (len == (size_t)-1)
6042 {
6043 /* no match, continue after '<' */
6044 p = start + 1;
6045 len = 1;
6046 }
6047 else
6048 p = end;
6049 if (buf == NULL)
6050 totlen += len;
6051 else
6052 q += len;
6053 }
6054 if (buf != NULL) /* second time here, finished */
6055 {
6056 STRCPY(q, p);
6057 break;
6058 }
6059
6060 totlen += STRLEN(p); /* Add on the trailing characters */
6061 buf = alloc((unsigned)(totlen + 1));
6062 if (buf == NULL)
6063 {
6064 vim_free(split_buf);
6065 return;
6066 }
6067 }
6068
6069 #ifdef FEAT_EVAL
6070 current_SID = cmd->uc_scriptID;
6071 #endif
6072 (void)do_cmdline(buf, eap->getline, eap->cookie,
6073 DOCMD_VERBOSE|DOCMD_NOWAIT|DOCMD_KEYTYPED);
6074 #ifdef FEAT_EVAL
6075 current_SID = save_current_SID;
6076 #endif
6077 vim_free(buf);
6078 vim_free(split_buf);
6079 }
6080
6081 # if defined(FEAT_CMDL_COMPL) || defined(PROTO)
6082 static char_u *
6083 get_user_command_name(idx)
6084 int idx;
6085 {
6086 return get_user_commands(NULL, idx - (int)CMD_SIZE);
6087 }
6088
6089 /*
6090 * Function given to ExpandGeneric() to obtain the list of user command names.
6091 */
6092 char_u *
6093 get_user_commands(xp, idx)
6094 expand_T *xp UNUSED;
6095 int idx;
6096 {
6097 if (idx < curbuf->b_ucmds.ga_len)
6098 return USER_CMD_GA(&curbuf->b_ucmds, idx)->uc_name;
6099 idx -= curbuf->b_ucmds.ga_len;
6100 if (idx < ucmds.ga_len)
6101 return USER_CMD(idx)->uc_name;
6102 return NULL;
6103 }
6104
6105 /*
6106 * Function given to ExpandGeneric() to obtain the list of user command
6107 * attributes.
6108 */
6109 char_u *
6110 get_user_cmd_flags(xp, idx)
6111 expand_T *xp UNUSED;
6112 int idx;
6113 {
6114 static char *user_cmd_flags[] =
6115 {"bang", "bar", "buffer", "complete", "count",
6116 "nargs", "range", "register"};
6117
6118 if (idx >= (int)(sizeof(user_cmd_flags) / sizeof(user_cmd_flags[0])))
6119 return NULL;
6120 return (char_u *)user_cmd_flags[idx];
6121 }
6122
6123 /*
6124 * Function given to ExpandGeneric() to obtain the list of values for -nargs.
6125 */
6126 char_u *
6127 get_user_cmd_nargs(xp, idx)
6128 expand_T *xp UNUSED;
6129 int idx;
6130 {
6131 static char *user_cmd_nargs[] = {"0", "1", "*", "?", "+"};
6132
6133 if (idx >= (int)(sizeof(user_cmd_nargs) / sizeof(user_cmd_nargs[0])))
6134 return NULL;
6135 return (char_u *)user_cmd_nargs[idx];
6136 }
6137
6138 /*
6139 * Function given to ExpandGeneric() to obtain the list of values for -complete.
6140 */
6141 char_u *
6142 get_user_cmd_complete(xp, idx)
6143 expand_T *xp UNUSED;
6144 int idx;
6145 {
6146 return (char_u *)command_complete[idx].name;
6147 }
6148 # endif /* FEAT_CMDL_COMPL */
6149
6150 #endif /* FEAT_USR_CMDS */
6151
6152 #if defined(FEAT_USR_CMDS) || defined(FEAT_EVAL) || defined(PROTO)
6153 /*
6154 * Parse a completion argument "value[vallen]".
6155 * The detected completion goes in "*complp", argument type in "*argt".
6156 * When there is an argument, for function and user defined completion, it's
6157 * copied to allocated memory and stored in "*compl_arg".
6158 * Returns FAIL if something is wrong.
6159 */
6160 int
6161 parse_compl_arg(value, vallen, complp, argt, compl_arg)
6162 char_u *value;
6163 int vallen;
6164 int *complp;
6165 long *argt;
6166 char_u **compl_arg;
6167 {
6168 char_u *arg = NULL;
6169 size_t arglen = 0;
6170 int i;
6171 int valend = vallen;
6172
6173 /* Look for any argument part - which is the part after any ',' */
6174 for (i = 0; i < vallen; ++i)
6175 {
6176 if (value[i] == ',')
6177 {
6178 arg = &value[i + 1];
6179 arglen = vallen - i - 1;
6180 valend = i;
6181 break;
6182 }
6183 }
6184
6185 for (i = 0; command_complete[i].expand != 0; ++i)
6186 {
6187 if ((int)STRLEN(command_complete[i].name) == valend
6188 && STRNCMP(value, command_complete[i].name, valend) == 0)
6189 {
6190 *complp = command_complete[i].expand;
6191 if (command_complete[i].expand == EXPAND_BUFFERS)
6192 *argt |= BUFNAME;
6193 else if (command_complete[i].expand == EXPAND_DIRECTORIES
6194 || command_complete[i].expand == EXPAND_FILES)
6195 *argt |= XFILE;
6196 break;
6197 }
6198 }
6199
6200 if (command_complete[i].expand == 0)
6201 {
6202 EMSG2(_("E180: Invalid complete value: %s"), value);
6203 return FAIL;
6204 }
6205
6206 # if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL)
6207 if (*complp != EXPAND_USER_DEFINED && *complp != EXPAND_USER_LIST
6208 && arg != NULL)
6209 # else
6210 if (arg != NULL)
6211 # endif
6212 {
6213 EMSG(_("E468: Completion argument only allowed for custom completion"));
6214 return FAIL;
6215 }
6216
6217 # if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL)
6218 if ((*complp == EXPAND_USER_DEFINED || *complp == EXPAND_USER_LIST)
6219 && arg == NULL)
6220 {
6221 EMSG(_("E467: Custom completion requires a function argument"));
6222 return FAIL;
6223 }
6224
6225 if (arg != NULL)
6226 *compl_arg = vim_strnsave(arg, (int)arglen);
6227 # endif
6228 return OK;
6229 }
6230 #endif
6231
6232 static void
6233 ex_colorscheme(eap)
6234 exarg_T *eap;
6235 {
6236 if (*eap->arg == NUL)
6237 {
6238 #ifdef FEAT_EVAL
6239 char_u *expr = vim_strsave((char_u *)"g:colors_name");
6240 char_u *p = NULL;
6241
6242 if (expr != NULL)
6243 {
6244 ++emsg_off;
6245 p = eval_to_string(expr, NULL, FALSE);
6246 --emsg_off;
6247 vim_free(expr);
6248 }
6249 if (p != NULL)
6250 {
6251 MSG(p);
6252 vim_free(p);
6253 }
6254 else
6255 MSG("default");
6256 #else
6257 MSG(_("unknown"));
6258 #endif
6259 }
6260 else if (load_colors(eap->arg) == FAIL)
6261 EMSG2(_("E185: Cannot find color scheme %s"), eap->arg);
6262 }
6263
6264 static void
6265 ex_highlight(eap)
6266 exarg_T *eap;
6267 {
6268 if (*eap->arg == NUL && eap->cmd[2] == '!')
6269 MSG(_("Greetings, Vim user!"));
6270 do_highlight(eap->arg, eap->forceit, FALSE);
6271 }
6272
6273
6274 /*
6275 * Call this function if we thought we were going to exit, but we won't
6276 * (because of an error). May need to restore the terminal mode.
6277 */
6278 void
6279 not_exiting()
6280 {
6281 exiting = FALSE;
6282 settmode(TMODE_RAW);
6283 }
6284
6285 /*
6286 * ":quit": quit current window, quit Vim if closed the last window.
6287 */
6288 static void
6289 ex_quit(eap)
6290 exarg_T *eap;
6291 {
6292 #ifdef FEAT_CMDWIN
6293 if (cmdwin_type != 0)
6294 {
6295 cmdwin_result = Ctrl_C;
6296 return;
6297 }
6298 #endif
6299 /* Don't quit while editing the command line. */
6300 if (text_locked())
6301 {
6302 text_locked_msg();
6303 return;
6304 }
6305 #ifdef FEAT_AUTOCMD
6306 if (curbuf_locked())
6307 return;
6308 #endif
6309
6310 #ifdef FEAT_NETBEANS_INTG
6311 netbeansForcedQuit = eap->forceit;
6312 #endif
6313
6314 /*
6315 * If there are more files or windows we won't exit.
6316 */
6317 if (check_more(FALSE, eap->forceit) == OK && only_one_window())
6318 exiting = TRUE;
6319 if ((!P_HID(curbuf)
6320 && check_changed(curbuf, p_awa, FALSE, eap->forceit, FALSE))
6321 || check_more(TRUE, eap->forceit) == FAIL
6322 || (only_one_window() && check_changed_any(eap->forceit)))
6323 {
6324 not_exiting();
6325 }
6326 else
6327 {
6328 #ifdef FEAT_WINDOWS
6329 if (only_one_window()) /* quit last window */
6330 #endif
6331 getout(0);
6332 #ifdef FEAT_WINDOWS
6333 # ifdef FEAT_GUI
6334 need_mouse_correct = TRUE;
6335 # endif
6336 /* close window; may free buffer */
6337 win_close(curwin, !P_HID(curwin->w_buffer) || eap->forceit);
6338 #endif
6339 }
6340 }
6341
6342 /*
6343 * ":cquit".
6344 */
6345 static void
6346 ex_cquit(eap)
6347 exarg_T *eap UNUSED;
6348 {
6349 getout(1); /* this does not always pass on the exit code to the Manx
6350 compiler. why? */
6351 }
6352
6353 /*
6354 * ":qall": try to quit all windows
6355 */
6356 static void
6357 ex_quit_all(eap)
6358 exarg_T *eap;
6359 {
6360 # ifdef FEAT_CMDWIN
6361 if (cmdwin_type != 0)
6362 {
6363 if (eap->forceit)
6364 cmdwin_result = K_XF1; /* ex_window() takes care of this */
6365 else
6366 cmdwin_result = K_XF2;
6367 return;
6368 }
6369 # endif
6370
6371 /* Don't quit while editing the command line. */
6372 if (text_locked())
6373 {
6374 text_locked_msg();
6375 return;
6376 }
6377 #ifdef FEAT_AUTOCMD
6378 if (curbuf_locked())
6379 return;
6380 #endif
6381
6382 exiting = TRUE;
6383 if (eap->forceit || !check_changed_any(FALSE))
6384 getout(0);
6385 not_exiting();
6386 }
6387
6388 #if defined(FEAT_WINDOWS) || defined(PROTO)
6389 /*
6390 * ":close": close current window, unless it is the last one
6391 */
6392 static void
6393 ex_close(eap)
6394 exarg_T *eap;
6395 {
6396 # ifdef FEAT_CMDWIN
6397 if (cmdwin_type != 0)
6398 cmdwin_result = K_IGNORE;
6399 else
6400 # endif
6401 if (!text_locked()
6402 #ifdef FEAT_AUTOCMD
6403 && !curbuf_locked()
6404 #endif
6405 )
6406 ex_win_close(eap->forceit, curwin, NULL);
6407 }
6408
6409 # ifdef FEAT_QUICKFIX
6410 /*
6411 * ":pclose": Close any preview window.
6412 */
6413 static void
6414 ex_pclose(eap)
6415 exarg_T *eap;
6416 {
6417 win_T *win;
6418
6419 for (win = firstwin; win != NULL; win = win->w_next)
6420 if (win->w_p_pvw)
6421 {
6422 ex_win_close(eap->forceit, win, NULL);
6423 break;
6424 }
6425 }
6426 # endif
6427
6428 /*
6429 * Close window "win" and take care of handling closing the last window for a
6430 * modified buffer.
6431 */
6432 static void
6433 ex_win_close(forceit, win, tp)
6434 int forceit;
6435 win_T *win;
6436 tabpage_T *tp; /* NULL or the tab page "win" is in */
6437 {
6438 int need_hide;
6439 buf_T *buf = win->w_buffer;
6440
6441 need_hide = (bufIsChanged(buf) && buf->b_nwindows <= 1);
6442 if (need_hide && !P_HID(buf) && !forceit)
6443 {
6444 # if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG)
6445 if ((p_confirm || cmdmod.confirm) && p_write)
6446 {
6447 dialog_changed(buf, FALSE);
6448 if (buf_valid(buf) && bufIsChanged(buf))
6449 return;
6450 need_hide = FALSE;
6451 }
6452 else
6453 # endif
6454 {
6455 EMSG(_(e_nowrtmsg));
6456 return;
6457 }
6458 }
6459
6460 # ifdef FEAT_GUI
6461 need_mouse_correct = TRUE;
6462 # endif
6463
6464 /* free buffer when not hiding it or when it's a scratch buffer */
6465 if (tp == NULL)
6466 win_close(win, !need_hide && !P_HID(buf));
6467 else
6468 win_close_othertab(win, !need_hide && !P_HID(buf), tp);
6469 }
6470
6471 /*
6472 * ":tabclose": close current tab page, unless it is the last one.
6473 * ":tabclose N": close tab page N.
6474 */
6475 static void
6476 ex_tabclose(eap)
6477 exarg_T *eap;
6478 {
6479 tabpage_T *tp;
6480
6481 # ifdef FEAT_CMDWIN
6482 if (cmdwin_type != 0)
6483 cmdwin_result = K_IGNORE;
6484 else
6485 # endif
6486 if (first_tabpage->tp_next == NULL)
6487 EMSG(_("E784: Cannot close last tab page"));
6488 else
6489 {
6490 if (eap->addr_count > 0)
6491 {
6492 tp = find_tabpage((int)eap->line2);
6493 if (tp == NULL)
6494 {
6495 beep_flush();
6496 return;
6497 }
6498 if (tp != curtab)
6499 {
6500 tabpage_close_other(tp, eap->forceit);
6501 return;
6502 }
6503 }
6504 if (!text_locked()
6505 #ifdef FEAT_AUTOCMD
6506 && !curbuf_locked()
6507 #endif
6508 )
6509 tabpage_close(eap->forceit);
6510 }
6511 }
6512
6513 /*
6514 * ":tabonly": close all tab pages except the current one
6515 */
6516 static void
6517 ex_tabonly(eap)
6518 exarg_T *eap;
6519 {
6520 tabpage_T *tp;
6521 int done;
6522
6523 # ifdef FEAT_CMDWIN
6524 if (cmdwin_type != 0)
6525 cmdwin_result = K_IGNORE;
6526 else
6527 # endif
6528 if (first_tabpage->tp_next == NULL)
6529 MSG(_("Already only one tab page"));
6530 else
6531 {
6532 /* Repeat this up to a 1000 times, because autocommands may mess
6533 * up the lists. */
6534 for (done = 0; done < 1000; ++done)
6535 {
6536 for (tp = first_tabpage; tp != NULL; tp = tp->tp_next)
6537 if (tp->tp_topframe != topframe)
6538 {
6539 tabpage_close_other(tp, eap->forceit);
6540 /* if we failed to close it quit */
6541 if (valid_tabpage(tp))
6542 done = 1000;
6543 /* start over, "tp" is now invalid */
6544 break;
6545 }
6546 if (first_tabpage->tp_next == NULL)
6547 break;
6548 }
6549 }
6550 }
6551
6552 /*
6553 * Close the current tab page.
6554 */
6555 void
6556 tabpage_close(forceit)
6557 int forceit;
6558 {
6559 /* First close all the windows but the current one. If that worked then
6560 * close the last window in this tab, that will close it. */
6561 if (lastwin != firstwin)
6562 close_others(TRUE, forceit);
6563 if (lastwin == firstwin)
6564 ex_win_close(forceit, curwin, NULL);
6565 # ifdef FEAT_GUI
6566 need_mouse_correct = TRUE;
6567 # endif
6568 }
6569
6570 /*
6571 * Close tab page "tp", which is not the current tab page.
6572 * Note that autocommands may make "tp" invalid.
6573 * Also takes care of the tab pages line disappearing when closing the
6574 * last-but-one tab page.
6575 */
6576 void
6577 tabpage_close_other(tp, forceit)
6578 tabpage_T *tp;
6579 int forceit;
6580 {
6581 int done = 0;
6582 win_T *wp;
6583 int h = tabline_height();
6584
6585 /* Limit to 1000 windows, autocommands may add a window while we close
6586 * one. OK, so I'm paranoid... */
6587 while (++done < 1000)
6588 {
6589 wp = tp->tp_firstwin;
6590 ex_win_close(forceit, wp, tp);
6591
6592 /* Autocommands may delete the tab page under our fingers and we may
6593 * fail to close a window with a modified buffer. */
6594 if (!valid_tabpage(tp) || tp->tp_firstwin == wp)
6595 break;
6596 }
6597
6598 redraw_tabline = TRUE;
6599 if (h != tabline_height())
6600 shell_new_rows();
6601 }
6602
6603 /*
6604 * ":only".
6605 */
6606 static void
6607 ex_only(eap)
6608 exarg_T *eap;
6609 {
6610 # ifdef FEAT_GUI
6611 need_mouse_correct = TRUE;
6612 # endif
6613 close_others(TRUE, eap->forceit);
6614 }
6615
6616 /*
6617 * ":all" and ":sall".
6618 * Also used for ":tab drop file ..." after setting the argument list.
6619 */
6620 void
6621 ex_all(eap)
6622 exarg_T *eap;
6623 {
6624 if (eap->addr_count == 0)
6625 eap->line2 = 9999;
6626 do_arg_all((int)eap->line2, eap->forceit, eap->cmdidx == CMD_drop);
6627 }
6628 #endif /* FEAT_WINDOWS */
6629
6630 static void
6631 ex_hide(eap)
6632 exarg_T *eap;
6633 {
6634 if (*eap->arg != NUL && check_nextcmd(eap->arg) == NULL)
6635 eap->errmsg = e_invarg;
6636 else
6637 {
6638 /* ":hide" or ":hide | cmd": hide current window */
6639 eap->nextcmd = check_nextcmd(eap->arg);
6640 #ifdef FEAT_WINDOWS
6641 if (!eap->skip)
6642 {
6643 # ifdef FEAT_GUI
6644 need_mouse_correct = TRUE;
6645 # endif
6646 win_close(curwin, FALSE); /* don't free buffer */
6647 }
6648 #endif
6649 }
6650 }
6651
6652 /*
6653 * ":stop" and ":suspend": Suspend Vim.
6654 */
6655 static void
6656 ex_stop(eap)
6657 exarg_T *eap;
6658 {
6659 /*
6660 * Disallow suspending for "rvim".
6661 */
6662 if (!check_restricted()
6663 #ifdef WIN3264
6664 /*
6665 * Check if external commands are allowed now.
6666 */
6667 && can_end_termcap_mode(TRUE)
6668 #endif
6669 )
6670 {
6671 if (!eap->forceit)
6672 autowrite_all();
6673 windgoto((int)Rows - 1, 0);
6674 out_char('\n');
6675 out_flush();
6676 stoptermcap();
6677 out_flush(); /* needed for SUN to restore xterm buffer */
6678 #ifdef FEAT_TITLE
6679 mch_restore_title(3); /* restore window titles */
6680 #endif
6681 ui_suspend(); /* call machine specific function */
6682 #ifdef FEAT_TITLE
6683 maketitle();
6684 resettitle(); /* force updating the title */
6685 #endif
6686 starttermcap();
6687 scroll_start(); /* scroll screen before redrawing */
6688 redraw_later_clear();
6689 shell_resized(); /* may have resized window */
6690 }
6691 }
6692
6693 /*
6694 * ":exit", ":xit" and ":wq": Write file and exit Vim.
6695 */
6696 static void
6697 ex_exit(eap)
6698 exarg_T *eap;
6699 {
6700 #ifdef FEAT_CMDWIN
6701 if (cmdwin_type != 0)
6702 {
6703 cmdwin_result = Ctrl_C;
6704 return;
6705 }
6706 #endif
6707 /* Don't quit while editing the command line. */
6708 if (text_locked())
6709 {
6710 text_locked_msg();
6711 return;
6712 }
6713 #ifdef FEAT_AUTOCMD
6714 if (curbuf_locked())
6715 return;
6716 #endif
6717
6718 /*
6719 * if more files or windows we won't exit
6720 */
6721 if (check_more(FALSE, eap->forceit) == OK && only_one_window())
6722 exiting = TRUE;
6723 if ( ((eap->cmdidx == CMD_wq
6724 || curbufIsChanged())
6725 && do_write(eap) == FAIL)
6726 || check_more(TRUE, eap->forceit) == FAIL
6727 || (only_one_window() && check_changed_any(eap->forceit)))
6728 {
6729 not_exiting();
6730 }
6731 else
6732 {
6733 #ifdef FEAT_WINDOWS
6734 if (only_one_window()) /* quit last window, exit Vim */
6735 #endif
6736 getout(0);
6737 #ifdef FEAT_WINDOWS
6738 # ifdef FEAT_GUI
6739 need_mouse_correct = TRUE;
6740 # endif
6741 /* quit current window, may free buffer */
6742 win_close(curwin, !P_HID(curwin->w_buffer));
6743 #endif
6744 }
6745 }
6746
6747 /*
6748 * ":print", ":list", ":number".
6749 */
6750 static void
6751 ex_print(eap)
6752 exarg_T *eap;
6753 {
6754 if (curbuf->b_ml.ml_flags & ML_EMPTY)
6755 EMSG(_(e_emptybuf));
6756 else
6757 {
6758 for ( ;!got_int; ui_breakcheck())
6759 {
6760 print_line(eap->line1,
6761 (eap->cmdidx == CMD_number || eap->cmdidx == CMD_pound
6762 || (eap->flags & EXFLAG_NR)),
6763 eap->cmdidx == CMD_list || (eap->flags & EXFLAG_LIST));
6764 if (++eap->line1 > eap->line2)
6765 break;
6766 out_flush(); /* show one line at a time */
6767 }
6768 setpcmark();
6769 /* put cursor at last line */
6770 curwin->w_cursor.lnum = eap->line2;
6771 beginline(BL_SOL | BL_FIX);
6772 }
6773
6774 ex_no_reprint = TRUE;
6775 }
6776
6777 #ifdef FEAT_BYTEOFF
6778 static void
6779 ex_goto(eap)
6780 exarg_T *eap;
6781 {
6782 goto_byte(eap->line2);
6783 }
6784 #endif
6785
6786 /*
6787 * ":shell".
6788 */
6789 static void
6790 ex_shell(eap)
6791 exarg_T *eap UNUSED;
6792 {
6793 do_shell(NULL, 0);
6794 }
6795
6796 #if (defined(FEAT_WINDOWS) && defined(HAVE_DROP_FILE)) \
6797 || (defined(FEAT_GUI_GTK) && defined(FEAT_DND)) \
6798 || defined(FEAT_GUI_MSWIN) \
6799 || defined(FEAT_GUI_MAC) \
6800 || defined(PROTO)
6801
6802 /*
6803 * Handle a file drop. The code is here because a drop is *nearly* like an
6804 * :args command, but not quite (we have a list of exact filenames, so we
6805 * don't want to (a) parse a command line, or (b) expand wildcards. So the
6806 * code is very similar to :args and hence needs access to a lot of the static
6807 * functions in this file.
6808 *
6809 * The list should be allocated using alloc(), as should each item in the
6810 * list. This function takes over responsibility for freeing the list.
6811 *
6812 * XXX The list is made into the argument list. This is freed using
6813 * FreeWild(), which does a series of vim_free() calls, unless the two defines
6814 * __EMX__ and __ALWAYS_HAS_TRAILING_NUL_POINTER are set. In this case, a
6815 * routine _fnexplodefree() is used. This may cause problems, but as the drop
6816 * file functionality is (currently) not in EMX this is not presently a
6817 * problem.
6818 */
6819 void
6820 handle_drop(filec, filev, split)
6821 int filec; /* the number of files dropped */
6822 char_u **filev; /* the list of files dropped */
6823 int split; /* force splitting the window */
6824 {
6825 exarg_T ea;
6826 int save_msg_scroll = msg_scroll;
6827
6828 /* Postpone this while editing the command line. */
6829 if (text_locked())
6830 return;
6831 #ifdef FEAT_AUTOCMD
6832 if (curbuf_locked())
6833 return;
6834 #endif
6835 /* When the screen is being updated we should not change buffers and
6836 * windows structures, it may cause freed memory to be used. */
6837 if (updating_screen)
6838 return;
6839
6840 /* Check whether the current buffer is changed. If so, we will need
6841 * to split the current window or data could be lost.
6842 * We don't need to check if the 'hidden' option is set, as in this
6843 * case the buffer won't be lost.
6844 */
6845 if (!P_HID(curbuf) && !split)
6846 {
6847 ++emsg_off;
6848 split = check_changed(curbuf, TRUE, FALSE, FALSE, FALSE);
6849 --emsg_off;
6850 }
6851 if (split)
6852 {
6853 # ifdef FEAT_WINDOWS
6854 if (win_split(0, 0) == FAIL)
6855 return;
6856 # ifdef FEAT_SCROLLBIND
6857 curwin->w_p_scb = FALSE;
6858 # endif
6859
6860 /* When splitting the window, create a new alist. Otherwise the
6861 * existing one is overwritten. */
6862 alist_unlink(curwin->w_alist);
6863 alist_new();
6864 # else
6865 return; /* can't split, always fail */
6866 # endif
6867 }
6868
6869 /*
6870 * Set up the new argument list.
6871 */
6872 alist_set(ALIST(curwin), filec, filev, FALSE, NULL, 0);
6873
6874 /*
6875 * Move to the first file.
6876 */
6877 /* Fake up a minimal "next" command for do_argfile() */
6878 vim_memset(&ea, 0, sizeof(ea));
6879 ea.cmd = (char_u *)"next";
6880 do_argfile(&ea, 0);
6881
6882 /* do_ecmd() may set need_start_insertmode, but since we never left Insert
6883 * mode that is not needed here. */
6884 need_start_insertmode = FALSE;
6885
6886 /* Restore msg_scroll, otherwise a following command may cause scrolling
6887 * unexpectedly. The screen will be redrawn by the caller, thus
6888 * msg_scroll being set by displaying a message is irrelevant. */
6889 msg_scroll = save_msg_scroll;
6890 }
6891 #endif
6892
6893 /*
6894 * Clear an argument list: free all file names and reset it to zero entries.
6895 */
6896 void
6897 alist_clear(al)
6898 alist_T *al;
6899 {
6900 while (--al->al_ga.ga_len >= 0)
6901 vim_free(AARGLIST(al)[al->al_ga.ga_len].ae_fname);
6902 ga_clear(&al->al_ga);
6903 }
6904
6905 /*
6906 * Init an argument list.
6907 */
6908 void
6909 alist_init(al)
6910 alist_T *al;
6911 {
6912 ga_init2(&al->al_ga, (int)sizeof(aentry_T), 5);
6913 }
6914
6915 #if defined(FEAT_WINDOWS) || defined(PROTO)
6916
6917 /*
6918 * Remove a reference from an argument list.
6919 * Ignored when the argument list is the global one.
6920 * If the argument list is no longer used by any window, free it.
6921 */
6922 void
6923 alist_unlink(al)
6924 alist_T *al;
6925 {
6926 if (al != &global_alist && --al->al_refcount <= 0)
6927 {
6928 alist_clear(al);
6929 vim_free(al);
6930 }
6931 }
6932
6933 # if defined(FEAT_LISTCMDS) || defined(HAVE_DROP_FILE) || defined(PROTO)
6934 /*
6935 * Create a new argument list and use it for the current window.
6936 */
6937 void
6938 alist_new()
6939 {
6940 curwin->w_alist = (alist_T *)alloc((unsigned)sizeof(alist_T));
6941 if (curwin->w_alist == NULL)
6942 {
6943 curwin->w_alist = &global_alist;
6944 ++global_alist.al_refcount;
6945 }
6946 else
6947 {
6948 curwin->w_alist->al_refcount = 1;
6949 alist_init(curwin->w_alist);
6950 }
6951 }
6952 # endif
6953 #endif
6954
6955 #if (!defined(UNIX) && !defined(__EMX__)) || defined(ARCHIE) || defined(PROTO)
6956 /*
6957 * Expand the file names in the global argument list.
6958 * If "fnum_list" is not NULL, use "fnum_list[fnum_len]" as a list of buffer
6959 * numbers to be re-used.
6960 */
6961 void
6962 alist_expand(fnum_list, fnum_len)
6963 int *fnum_list;
6964 int fnum_len;
6965 {
6966 char_u **old_arg_files;
6967 int old_arg_count;
6968 char_u **new_arg_files;
6969 int new_arg_file_count;
6970 char_u *save_p_su = p_su;
6971 int i;
6972
6973 /* Don't use 'suffixes' here. This should work like the shell did the
6974 * expansion. Also, the vimrc file isn't read yet, thus the user
6975 * can't set the options. */
6976 p_su = empty_option;
6977 old_arg_files = (char_u **)alloc((unsigned)(sizeof(char_u *) * GARGCOUNT));
6978 if (old_arg_files != NULL)
6979 {
6980 for (i = 0; i < GARGCOUNT; ++i)
6981 old_arg_files[i] = vim_strsave(GARGLIST[i].ae_fname);
6982 old_arg_count = GARGCOUNT;
6983 if (expand_wildcards(old_arg_count, old_arg_files,
6984 &new_arg_file_count, &new_arg_files,
6985 EW_FILE|EW_NOTFOUND|EW_ADDSLASH) == OK
6986 && new_arg_file_count > 0)
6987 {
6988 alist_set(&global_alist, new_arg_file_count, new_arg_files,
6989 TRUE, fnum_list, fnum_len);
6990 FreeWild(old_arg_count, old_arg_files);
6991 }
6992 }
6993 p_su = save_p_su;
6994 }
6995 #endif
6996
6997 /*
6998 * Set the argument list for the current window.
6999 * Takes over the allocated files[] and the allocated fnames in it.
7000 */
7001 void
7002 alist_set(al, count, files, use_curbuf, fnum_list, fnum_len)
7003 alist_T *al;
7004 int count;
7005 char_u **files;
7006 int use_curbuf;
7007 int *fnum_list;
7008 int fnum_len;
7009 {
7010 int i;
7011
7012 alist_clear(al);
7013 if (ga_grow(&al->al_ga, count) == OK)
7014 {
7015 for (i = 0; i < count; ++i)
7016 {
7017 if (got_int)
7018 {
7019 /* When adding many buffers this can take a long time. Allow
7020 * interrupting here. */
7021 while (i < count)
7022 vim_free(files[i++]);
7023 break;
7024 }
7025
7026 /* May set buffer name of a buffer previously used for the
7027 * argument list, so that it's re-used by alist_add. */
7028 if (fnum_list != NULL && i < fnum_len)
7029 buf_set_name(fnum_list[i], files[i]);
7030
7031 alist_add(al, files[i], use_curbuf ? 2 : 1);
7032 ui_breakcheck();
7033 }
7034 vim_free(files);
7035 }
7036 else
7037 FreeWild(count, files);
7038 #ifdef FEAT_WINDOWS
7039 if (al == &global_alist)
7040 #endif
7041 arg_had_last = FALSE;
7042 }
7043
7044 /*
7045 * Add file "fname" to argument list "al".
7046 * "fname" must have been allocated and "al" must have been checked for room.
7047 */
7048 void
7049 alist_add(al, fname, set_fnum)
7050 alist_T *al;
7051 char_u *fname;
7052 int set_fnum; /* 1: set buffer number; 2: re-use curbuf */
7053 {
7054 if (fname == NULL) /* don't add NULL file names */
7055 return;
7056 #ifdef BACKSLASH_IN_FILENAME
7057 slash_adjust(fname);
7058 #endif
7059 AARGLIST(al)[al->al_ga.ga_len].ae_fname = fname;
7060 if (set_fnum > 0)
7061 AARGLIST(al)[al->al_ga.ga_len].ae_fnum =
7062 buflist_add(fname, BLN_LISTED | (set_fnum == 2 ? BLN_CURBUF : 0));
7063 ++al->al_ga.ga_len;
7064 }
7065
7066 #if defined(BACKSLASH_IN_FILENAME) || defined(PROTO)
7067 /*
7068 * Adjust slashes in file names. Called after 'shellslash' was set.
7069 */
7070 void
7071 alist_slash_adjust()
7072 {
7073 int i;
7074 # ifdef FEAT_WINDOWS
7075 win_T *wp;
7076 tabpage_T *tp;
7077 # endif
7078
7079 for (i = 0; i < GARGCOUNT; ++i)
7080 if (GARGLIST[i].ae_fname != NULL)
7081 slash_adjust(GARGLIST[i].ae_fname);
7082 # ifdef FEAT_WINDOWS
7083 FOR_ALL_TAB_WINDOWS(tp, wp)
7084 if (wp->w_alist != &global_alist)
7085 for (i = 0; i < WARGCOUNT(wp); ++i)
7086 if (WARGLIST(wp)[i].ae_fname != NULL)
7087 slash_adjust(WARGLIST(wp)[i].ae_fname);
7088 # endif
7089 }
7090 #endif
7091
7092 /*
7093 * ":preserve".
7094 */
7095 static void
7096 ex_preserve(eap)
7097 exarg_T *eap UNUSED;
7098 {
7099 curbuf->b_flags |= BF_PRESERVED;
7100 ml_preserve(curbuf, TRUE);
7101 }
7102
7103 /*
7104 * ":recover".
7105 */
7106 static void
7107 ex_recover(eap)
7108 exarg_T *eap;
7109 {
7110 /* Set recoverymode right away to avoid the ATTENTION prompt. */
7111 recoverymode = TRUE;
7112 if (!check_changed(curbuf, p_awa, TRUE, eap->forceit, FALSE)
7113 && (*eap->arg == NUL
7114 || setfname(curbuf, eap->arg, NULL, TRUE) == OK))
7115 ml_recover();
7116 recoverymode = FALSE;
7117 }
7118
7119 /*
7120 * Command modifier used in a wrong way.
7121 */
7122 static void
7123 ex_wrongmodifier(eap)
7124 exarg_T *eap;
7125 {
7126 eap->errmsg = e_invcmd;
7127 }
7128
7129 #ifdef FEAT_WINDOWS
7130 /*
7131 * :sview [+command] file split window with new file, read-only
7132 * :split [[+command] file] split window with current or new file
7133 * :vsplit [[+command] file] split window vertically with current or new file
7134 * :new [[+command] file] split window with no or new file
7135 * :vnew [[+command] file] split vertically window with no or new file
7136 * :sfind [+command] file split window with file in 'path'
7137 *
7138 * :tabedit open new Tab page with empty window
7139 * :tabedit [+command] file open new Tab page and edit "file"
7140 * :tabnew [[+command] file] just like :tabedit
7141 * :tabfind [+command] file open new Tab page and find "file"
7142 */
7143 void
7144 ex_splitview(eap)
7145 exarg_T *eap;
7146 {
7147 win_T *old_curwin = curwin;
7148 # if defined(FEAT_SEARCHPATH) || defined(FEAT_BROWSE)
7149 char_u *fname = NULL;
7150 # endif
7151 # ifdef FEAT_BROWSE
7152 int browse_flag = cmdmod.browse;
7153 # endif
7154
7155 # ifndef FEAT_VERTSPLIT
7156 if (eap->cmdidx == CMD_vsplit || eap->cmdidx == CMD_vnew)
7157 {
7158 ex_ni(eap);
7159 return;
7160 }
7161 # endif
7162
7163 # ifdef FEAT_GUI
7164 need_mouse_correct = TRUE;
7165 # endif
7166
7167 # ifdef FEAT_QUICKFIX
7168 /* A ":split" in the quickfix window works like ":new". Don't want two
7169 * quickfix windows. But it's OK when doing ":tab split". */
7170 if (bt_quickfix(curbuf) && cmdmod.tab == 0)
7171 {
7172 if (eap->cmdidx == CMD_split)
7173 eap->cmdidx = CMD_new;
7174 # ifdef FEAT_VERTSPLIT
7175 if (eap->cmdidx == CMD_vsplit)
7176 eap->cmdidx = CMD_vnew;
7177 # endif
7178 }
7179 # endif
7180
7181 # ifdef FEAT_SEARCHPATH
7182 if (eap->cmdidx == CMD_sfind || eap->cmdidx == CMD_tabfind)
7183 {
7184 fname = find_file_in_path(eap->arg, (int)STRLEN(eap->arg),
7185 FNAME_MESS, TRUE, curbuf->b_ffname);
7186 if (fname == NULL)
7187 goto theend;
7188 eap->arg = fname;
7189 }
7190 # ifdef FEAT_BROWSE
7191 else
7192 # endif
7193 # endif
7194 # ifdef FEAT_BROWSE
7195 if (cmdmod.browse
7196 # ifdef FEAT_VERTSPLIT
7197 && eap->cmdidx != CMD_vnew
7198 # endif
7199 && eap->cmdidx != CMD_new)
7200 {
7201 # ifdef FEAT_AUTOCMD
7202 if (
7203 # ifdef FEAT_GUI
7204 !gui.in_use &&
7205 # endif
7206 au_has_group((char_u *)"FileExplorer"))
7207 {
7208 /* No browsing supported but we do have the file explorer:
7209 * Edit the directory. */
7210 if (*eap->arg == NUL || !mch_isdir(eap->arg))
7211 eap->arg = (char_u *)".";
7212 }
7213 else
7214 # endif
7215 {
7216 fname = do_browse(0, (char_u *)_("Edit File in new window"),
7217 eap->arg, NULL, NULL, NULL, curbuf);
7218 if (fname == NULL)
7219 goto theend;
7220 eap->arg = fname;
7221 }
7222 }
7223 cmdmod.browse = FALSE; /* Don't browse again in do_ecmd(). */
7224 # endif
7225
7226 /*
7227 * Either open new tab page or split the window.
7228 */
7229 if (eap->cmdidx == CMD_tabedit
7230 || eap->cmdidx == CMD_tabfind
7231 || eap->cmdidx == CMD_tabnew)
7232 {
7233 if (win_new_tabpage(cmdmod.tab != 0 ? cmdmod.tab
7234 : eap->addr_count == 0 ? 0
7235 : (int)eap->line2 + 1) != FAIL)
7236 {
7237 do_exedit(eap, old_curwin);
7238
7239 /* set the alternate buffer for the window we came from */
7240 if (curwin != old_curwin
7241 && win_valid(old_curwin)
7242 && old_curwin->w_buffer != curbuf
7243 && !cmdmod.keepalt)
7244 old_curwin->w_alt_fnum = curbuf->b_fnum;
7245 }
7246 }
7247 else if (win_split(eap->addr_count > 0 ? (int)eap->line2 : 0,
7248 *eap->cmd == 'v' ? WSP_VERT : 0) != FAIL)
7249 {
7250 # ifdef FEAT_SCROLLBIND
7251 /* Reset 'scrollbind' when editing another file, but keep it when
7252 * doing ":split" without arguments. */
7253 if (*eap->arg != NUL
7254 # ifdef FEAT_BROWSE
7255 || cmdmod.browse
7256 # endif
7257 )
7258 curwin->w_p_scb = FALSE;
7259 else
7260 do_check_scrollbind(FALSE);
7261 # endif
7262 do_exedit(eap, old_curwin);
7263 }
7264
7265 # ifdef FEAT_BROWSE
7266 cmdmod.browse = browse_flag;
7267 # endif
7268
7269 # if defined(FEAT_SEARCHPATH) || defined(FEAT_BROWSE)
7270 theend:
7271 vim_free(fname);
7272 # endif
7273 }
7274
7275 /*
7276 * Open a new tab page.
7277 */
7278 void
7279 tabpage_new()
7280 {
7281 exarg_T ea;
7282
7283 vim_memset(&ea, 0, sizeof(ea));
7284 ea.cmdidx = CMD_tabnew;
7285 ea.cmd = (char_u *)"tabn";
7286 ea.arg = (char_u *)"";
7287 ex_splitview(&ea);
7288 }
7289
7290 /*
7291 * :tabnext command
7292 */
7293 static void
7294 ex_tabnext(eap)
7295 exarg_T *eap;
7296 {
7297 switch (eap->cmdidx)
7298 {
7299 case CMD_tabfirst:
7300 case CMD_tabrewind:
7301 goto_tabpage(1);
7302 break;
7303 case CMD_tablast:
7304 goto_tabpage(9999);
7305 break;
7306 case CMD_tabprevious:
7307 case CMD_tabNext:
7308 goto_tabpage(eap->addr_count == 0 ? -1 : -(int)eap->line2);
7309 break;
7310 default: /* CMD_tabnext */
7311 goto_tabpage(eap->addr_count == 0 ? 0 : (int)eap->line2);
7312 break;
7313 }
7314 }
7315
7316 /*
7317 * :tabmove command
7318 */
7319 static void
7320 ex_tabmove(eap)
7321 exarg_T *eap;
7322 {
7323 tabpage_move(eap->addr_count == 0 ? 9999 : (int)eap->line2);
7324 }
7325
7326 /*
7327 * :tabs command: List tabs and their contents.
7328 */
7329 static void
7330 ex_tabs(eap)
7331 exarg_T *eap UNUSED;
7332 {
7333 tabpage_T *tp;
7334 win_T *wp;
7335 int tabcount = 1;
7336
7337 msg_start();
7338 msg_scroll = TRUE;
7339 for (tp = first_tabpage; tp != NULL && !got_int; tp = tp->tp_next)
7340 {
7341 msg_putchar('\n');
7342 vim_snprintf((char *)IObuff, IOSIZE, _("Tab page %d"), tabcount++);
7343 msg_outtrans_attr(IObuff, hl_attr(HLF_T));
7344 out_flush(); /* output one line at a time */
7345 ui_breakcheck();
7346
7347 if (tp == curtab)
7348 wp = firstwin;
7349 else
7350 wp = tp->tp_firstwin;
7351 for ( ; wp != NULL && !got_int; wp = wp->w_next)
7352 {
7353 msg_putchar('\n');
7354 msg_putchar(wp == curwin ? '>' : ' ');
7355 msg_putchar(' ');
7356 msg_putchar(bufIsChanged(wp->w_buffer) ? '+' : ' ');
7357 msg_putchar(' ');
7358 if (buf_spname(wp->w_buffer) != NULL)
7359 STRCPY(IObuff, buf_spname(wp->w_buffer));
7360 else
7361 home_replace(wp->w_buffer, wp->w_buffer->b_fname,
7362 IObuff, IOSIZE, TRUE);
7363 msg_outtrans(IObuff);
7364 out_flush(); /* output one line at a time */
7365 ui_breakcheck();
7366 }
7367 }
7368 }
7369
7370 #endif /* FEAT_WINDOWS */
7371
7372 /*
7373 * ":mode": Set screen mode.
7374 * If no argument given, just get the screen size and redraw.
7375 */
7376 static void
7377 ex_mode(eap)
7378 exarg_T *eap;
7379 {
7380 if (*eap->arg == NUL)
7381 shell_resized();
7382 else
7383 mch_screenmode(eap->arg);
7384 }
7385
7386 #ifdef FEAT_WINDOWS
7387 /*
7388 * ":resize".
7389 * set, increment or decrement current window height
7390 */
7391 static void
7392 ex_resize(eap)
7393 exarg_T *eap;
7394 {
7395 int n;
7396 win_T *wp = curwin;
7397
7398 if (eap->addr_count > 0)
7399 {
7400 n = eap->line2;
7401 for (wp = firstwin; wp->w_next != NULL && --n > 0; wp = wp->w_next)
7402 ;
7403 }
7404
7405 #ifdef FEAT_GUI
7406 need_mouse_correct = TRUE;
7407 #endif
7408 n = atol((char *)eap->arg);
7409 #ifdef FEAT_VERTSPLIT
7410 if (cmdmod.split & WSP_VERT)
7411 {
7412 if (*eap->arg == '-' || *eap->arg == '+')
7413 n += W_WIDTH(curwin);
7414 else if (n == 0 && eap->arg[0] == NUL) /* default is very wide */
7415 n = 9999;
7416 win_setwidth_win((int)n, wp);
7417 }
7418 else
7419 #endif
7420 {
7421 if (*eap->arg == '-' || *eap->arg == '+')
7422 n += curwin->w_height;
7423 else if (n == 0 && eap->arg[0] == NUL) /* default is very wide */
7424 n = 9999;
7425 win_setheight_win((int)n, wp);
7426 }
7427 }
7428 #endif
7429
7430 /*
7431 * ":find [+command] <file>" command.
7432 */
7433 static void
7434 ex_find(eap)
7435 exarg_T *eap;
7436 {
7437 #ifdef FEAT_SEARCHPATH
7438 char_u *fname;
7439 int count;
7440
7441 fname = find_file_in_path(eap->arg, (int)STRLEN(eap->arg), FNAME_MESS,
7442 TRUE, curbuf->b_ffname);
7443 if (eap->addr_count > 0)
7444 {
7445 /* Repeat finding the file "count" times. This matters when it
7446 * appears several times in the path. */
7447 count = eap->line2;
7448 while (fname != NULL && --count > 0)
7449 {
7450 vim_free(fname);
7451 fname = find_file_in_path(NULL, 0, FNAME_MESS,
7452 FALSE, curbuf->b_ffname);
7453 }
7454 }
7455
7456 if (fname != NULL)
7457 {
7458 eap->arg = fname;
7459 #endif
7460 do_exedit(eap, NULL);
7461 #ifdef FEAT_SEARCHPATH
7462 vim_free(fname);
7463 }
7464 #endif
7465 }
7466
7467 /*
7468 * ":open" simulation: for now just work like ":visual".
7469 */
7470 static void
7471 ex_open(eap)
7472 exarg_T *eap;
7473 {
7474 regmatch_T regmatch;
7475 char_u *p;
7476
7477 curwin->w_cursor.lnum = eap->line2;
7478 beginline(BL_SOL | BL_FIX);
7479 if (*eap->arg == '/')
7480 {
7481 /* ":open /pattern/": put cursor in column found with pattern */
7482 ++eap->arg;
7483 p = skip_regexp(eap->arg, '/', p_magic, NULL);
7484 *p = NUL;
7485 regmatch.regprog = vim_regcomp(eap->arg, p_magic ? RE_MAGIC : 0);
7486 if (regmatch.regprog != NULL)
7487 {
7488 regmatch.rm_ic = p_ic;
7489 p = ml_get_curline();
7490 if (vim_regexec(&regmatch, p, (colnr_T)0))
7491 curwin->w_cursor.col = (colnr_T)(regmatch.startp[0] - p);
7492 else
7493 EMSG(_(e_nomatch));
7494 vim_free(regmatch.regprog);
7495 }
7496 /* Move to the NUL, ignore any other arguments. */
7497 eap->arg += STRLEN(eap->arg);
7498 }
7499 check_cursor();
7500
7501 eap->cmdidx = CMD_visual;
7502 do_exedit(eap, NULL);
7503 }
7504
7505 /*
7506 * ":edit", ":badd", ":visual".
7507 */
7508 static void
7509 ex_edit(eap)
7510 exarg_T *eap;
7511 {
7512 do_exedit(eap, NULL);
7513 }
7514
7515 /*
7516 * ":edit <file>" command and alikes.
7517 */
7518 void
7519 do_exedit(eap, old_curwin)
7520 exarg_T *eap;
7521 win_T *old_curwin; /* curwin before doing a split or NULL */
7522 {
7523 int n;
7524 #ifdef FEAT_WINDOWS
7525 int need_hide;
7526 #endif
7527 int exmode_was = exmode_active;
7528
7529 /*
7530 * ":vi" command ends Ex mode.
7531 */
7532 if (exmode_active && (eap->cmdidx == CMD_visual
7533 || eap->cmdidx == CMD_view))
7534 {
7535 exmode_active = FALSE;
7536 if (*eap->arg == NUL)
7537 {
7538 /* Special case: ":global/pat/visual\NLvi-commands" */
7539 if (global_busy)
7540 {
7541 int rd = RedrawingDisabled;
7542 int nwr = no_wait_return;
7543 int ms = msg_scroll;
7544 #ifdef FEAT_GUI
7545 int he = hold_gui_events;
7546 #endif
7547
7548 if (eap->nextcmd != NULL)
7549 {
7550 stuffReadbuff(eap->nextcmd);
7551 eap->nextcmd = NULL;
7552 }
7553
7554 if (exmode_was != EXMODE_VIM)
7555 settmode(TMODE_RAW);
7556 RedrawingDisabled = 0;
7557 no_wait_return = 0;
7558 need_wait_return = FALSE;
7559 msg_scroll = 0;
7560 #ifdef FEAT_GUI
7561 hold_gui_events = 0;
7562 #endif
7563 must_redraw = CLEAR;
7564
7565 main_loop(FALSE, TRUE);
7566
7567 RedrawingDisabled = rd;
7568 no_wait_return = nwr;
7569 msg_scroll = ms;
7570 #ifdef FEAT_GUI
7571 hold_gui_events = he;
7572 #endif
7573 }
7574 return;
7575 }
7576 }
7577
7578 if ((eap->cmdidx == CMD_new
7579 || eap->cmdidx == CMD_tabnew
7580 || eap->cmdidx == CMD_tabedit
7581 #ifdef FEAT_VERTSPLIT
7582 || eap->cmdidx == CMD_vnew
7583 #endif
7584 ) && *eap->arg == NUL)
7585 {
7586 /* ":new" or ":tabnew" without argument: edit an new empty buffer */
7587 setpcmark();
7588 (void)do_ecmd(0, NULL, NULL, eap, ECMD_ONE,
7589 ECMD_HIDE + (eap->forceit ? ECMD_FORCEIT : 0),
7590 old_curwin == NULL ? curwin : NULL);
7591 }
7592 else if ((eap->cmdidx != CMD_split
7593 #ifdef FEAT_VERTSPLIT
7594 && eap->cmdidx != CMD_vsplit
7595 #endif
7596 )
7597 || *eap->arg != NUL
7598 #ifdef FEAT_BROWSE
7599 || cmdmod.browse
7600 #endif
7601 )
7602 {
7603 #ifdef FEAT_AUTOCMD
7604 /* Can't edit another file when "curbuf_lock" is set. Only ":edit"
7605 * can bring us here, others are stopped earlier. */
7606 if (*eap->arg != NUL && curbuf_locked())
7607 return;
7608 #endif
7609 n = readonlymode;
7610 if (eap->cmdidx == CMD_view || eap->cmdidx == CMD_sview)
7611 readonlymode = TRUE;
7612 else if (eap->cmdidx == CMD_enew)
7613 readonlymode = FALSE; /* 'readonly' doesn't make sense in an
7614 empty buffer */
7615 setpcmark();
7616 if (do_ecmd(0, (eap->cmdidx == CMD_enew ? NULL : eap->arg),
7617 NULL, eap,
7618 /* ":edit" goes to first line if Vi compatible */
7619 (*eap->arg == NUL && eap->do_ecmd_lnum == 0
7620 && vim_strchr(p_cpo, CPO_GOTO1) != NULL)
7621 ? ECMD_ONE : eap->do_ecmd_lnum,
7622 (P_HID(curbuf) ? ECMD_HIDE : 0)
7623 + (eap->forceit ? ECMD_FORCEIT : 0)
7624 #ifdef FEAT_LISTCMDS
7625 + (eap->cmdidx == CMD_badd ? ECMD_ADDBUF : 0 )
7626 #endif
7627 , old_curwin == NULL ? curwin : NULL) == FAIL)
7628 {
7629 /* Editing the file failed. If the window was split, close it. */
7630 #ifdef FEAT_WINDOWS
7631 if (old_curwin != NULL)
7632 {
7633 need_hide = (curbufIsChanged() && curbuf->b_nwindows <= 1);
7634 if (!need_hide || P_HID(curbuf))
7635 {
7636 # if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL)
7637 cleanup_T cs;
7638
7639 /* Reset the error/interrupt/exception state here so that
7640 * aborting() returns FALSE when closing a window. */
7641 enter_cleanup(&cs);
7642 # endif
7643 # ifdef FEAT_GUI
7644 need_mouse_correct = TRUE;
7645 # endif
7646 win_close(curwin, !need_hide && !P_HID(curbuf));
7647
7648 # if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL)
7649 /* Restore the error/interrupt/exception state if not
7650 * discarded by a new aborting error, interrupt, or
7651 * uncaught exception. */
7652 leave_cleanup(&cs);
7653 # endif
7654 }
7655 }
7656 #endif
7657 }
7658 else if (readonlymode && curbuf->b_nwindows == 1)
7659 {
7660 /* When editing an already visited buffer, 'readonly' won't be set
7661 * but the previous value is kept. With ":view" and ":sview" we
7662 * want the file to be readonly, except when another window is
7663 * editing the same buffer. */
7664 curbuf->b_p_ro = TRUE;
7665 }
7666 readonlymode = n;
7667 }
7668 else
7669 {
7670 if (eap->do_ecmd_cmd != NULL)
7671 do_cmdline_cmd(eap->do_ecmd_cmd);
7672 #ifdef FEAT_TITLE
7673 n = curwin->w_arg_idx_invalid;
7674 #endif
7675 check_arg_idx(curwin);
7676 #ifdef FEAT_TITLE
7677 if (n != curwin->w_arg_idx_invalid)
7678 maketitle();
7679 #endif
7680 }
7681
7682 #ifdef FEAT_WINDOWS
7683 /*
7684 * if ":split file" worked, set alternate file name in old window to new
7685 * file
7686 */
7687 if (old_curwin != NULL
7688 && *eap->arg != NUL
7689 && curwin != old_curwin
7690 && win_valid(old_curwin)
7691 && old_curwin->w_buffer != curbuf
7692 && !cmdmod.keepalt)
7693 old_curwin->w_alt_fnum = curbuf->b_fnum;
7694 #endif
7695
7696 ex_no_reprint = TRUE;
7697 }
7698
7699 #ifndef FEAT_GUI
7700 /*
7701 * ":gui" and ":gvim" when there is no GUI.
7702 */
7703 static void
7704 ex_nogui(eap)
7705 exarg_T *eap;
7706 {
7707 eap->errmsg = e_nogvim;
7708 }
7709 #endif
7710
7711 #if defined(FEAT_GUI_W32) && defined(FEAT_MENU) && defined(FEAT_TEAROFF)
7712 static void
7713 ex_tearoff(eap)
7714 exarg_T *eap;
7715 {
7716 gui_make_tearoff(eap->arg);
7717 }
7718 #endif
7719
7720 #if (defined(FEAT_GUI_MSWIN) || defined(FEAT_GUI_GTK)) && defined(FEAT_MENU)
7721 static void
7722 ex_popup(eap)
7723 exarg_T *eap;
7724 {
7725 gui_make_popup(eap->arg, eap->forceit);
7726 }
7727 #endif
7728
7729 static void
7730 ex_swapname(eap)
7731 exarg_T *eap UNUSED;
7732 {
7733 if (curbuf->b_ml.ml_mfp == NULL || curbuf->b_ml.ml_mfp->mf_fname == NULL)
7734 MSG(_("No swap file"));
7735 else
7736 msg(curbuf->b_ml.ml_mfp->mf_fname);
7737 }
7738
7739 /*
7740 * ":syncbind" forces all 'scrollbind' windows to have the same relative
7741 * offset.
7742 * (1998-11-02 16:21:01 R. Edward Ralston <eralston@computer.org>)
7743 */
7744 static void
7745 ex_syncbind(eap)
7746 exarg_T *eap UNUSED;
7747 {
7748 #ifdef FEAT_SCROLLBIND
7749 win_T *wp;
7750 long topline;
7751 long y;
7752 linenr_T old_linenr = curwin->w_cursor.lnum;
7753
7754 setpcmark();
7755
7756 /*
7757 * determine max topline
7758 */
7759 if (curwin->w_p_scb)
7760 {
7761 topline = curwin->w_topline;
7762 for (wp = firstwin; wp; wp = wp->w_next)
7763 {
7764 if (wp->w_p_scb && wp->w_buffer)
7765 {
7766 y = wp->w_buffer->b_ml.ml_line_count - p_so;
7767 if (topline > y)
7768 topline = y;
7769 }
7770 }
7771 if (topline < 1)
7772 topline = 1;
7773 }
7774 else
7775 {
7776 topline = 1;
7777 }
7778
7779
7780 /*
7781 * set all scrollbind windows to the same topline
7782 */
7783 wp = curwin;
7784 for (curwin = firstwin; curwin; curwin = curwin->w_next)
7785 {
7786 if (curwin->w_p_scb)
7787 {
7788 y = topline - curwin->w_topline;
7789 if (y > 0)
7790 scrollup(y, TRUE);
7791 else
7792 scrolldown(-y, TRUE);
7793 curwin->w_scbind_pos = topline;
7794 redraw_later(VALID);
7795 cursor_correct();
7796 #ifdef FEAT_WINDOWS
7797 curwin->w_redr_status = TRUE;
7798 #endif
7799 }
7800 }
7801 curwin = wp;
7802 if (curwin->w_p_scb)
7803 {
7804 did_syncbind = TRUE;
7805 checkpcmark();
7806 if (old_linenr != curwin->w_cursor.lnum)
7807 {
7808 char_u ctrl_o[2];
7809
7810 ctrl_o[0] = Ctrl_O;
7811 ctrl_o[1] = 0;
7812 ins_typebuf(ctrl_o, REMAP_NONE, 0, TRUE, FALSE);
7813 }
7814 }
7815 #endif
7816 }
7817
7818
7819 static void
7820 ex_read(eap)
7821 exarg_T *eap;
7822 {
7823 int i;
7824 int empty = (curbuf->b_ml.ml_flags & ML_EMPTY);
7825 linenr_T lnum;
7826
7827 if (eap->usefilter) /* :r!cmd */
7828 do_bang(1, eap, FALSE, FALSE, TRUE);
7829 else
7830 {
7831 if (u_save(eap->line2, (linenr_T)(eap->line2 + 1)) == FAIL)
7832 return;
7833
7834 #ifdef FEAT_BROWSE
7835 if (cmdmod.browse)
7836 {
7837 char_u *browseFile;
7838
7839 browseFile = do_browse(0, (char_u *)_("Append File"), eap->arg,
7840 NULL, NULL, NULL, curbuf);
7841 if (browseFile != NULL)
7842 {
7843 i = readfile(browseFile, NULL,
7844 eap->line2, (linenr_T)0, (linenr_T)MAXLNUM, eap, 0);
7845 vim_free(browseFile);
7846 }
7847 else
7848 i = OK;
7849 }
7850 else
7851 #endif
7852 if (*eap->arg == NUL)
7853 {
7854 if (check_fname() == FAIL) /* check for no file name */
7855 return;
7856 i = readfile(curbuf->b_ffname, curbuf->b_fname,
7857 eap->line2, (linenr_T)0, (linenr_T)MAXLNUM, eap, 0);
7858 }
7859 else
7860 {
7861 if (vim_strchr(p_cpo, CPO_ALTREAD) != NULL)
7862 (void)setaltfname(eap->arg, eap->arg, (linenr_T)1);
7863 i = readfile(eap->arg, NULL,
7864 eap->line2, (linenr_T)0, (linenr_T)MAXLNUM, eap, 0);
7865
7866 }
7867 if (i == FAIL)
7868 {
7869 #if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL)
7870 if (!aborting())
7871 #endif
7872 EMSG2(_(e_notopen), eap->arg);
7873 }
7874 else
7875 {
7876 if (empty && exmode_active)
7877 {
7878 /* Delete the empty line that remains. Historically ex does
7879 * this but vi doesn't. */
7880 if (eap->line2 == 0)
7881 lnum = curbuf->b_ml.ml_line_count;
7882 else
7883 lnum = 1;
7884 if (*ml_get(lnum) == NUL && u_savedel(lnum, 1L) == OK)
7885 {
7886 ml_delete(lnum, FALSE);
7887 if (curwin->w_cursor.lnum > 1
7888 && curwin->w_cursor.lnum >= lnum)
7889 --curwin->w_cursor.lnum;
7890 deleted_lines_mark(lnum, 1L);
7891 }
7892 }
7893 redraw_curbuf_later(VALID);
7894 }
7895 }
7896 }
7897
7898 static char_u *prev_dir = NULL;
7899
7900 #if defined(EXITFREE) || defined(PROTO)
7901 void
7902 free_cd_dir()
7903 {
7904 vim_free(prev_dir);
7905 prev_dir = NULL;
7906
7907 vim_free(globaldir);
7908 globaldir = NULL;
7909 }
7910 #endif
7911
7912
7913 /*
7914 * ":cd", ":lcd", ":chdir" and ":lchdir".
7915 */
7916 void
7917 ex_cd(eap)
7918 exarg_T *eap;
7919 {
7920 char_u *new_dir;
7921 char_u *tofree;
7922
7923 new_dir = eap->arg;
7924 #if !defined(UNIX) && !defined(VMS)
7925 /* for non-UNIX ":cd" means: print current directory */
7926 if (*new_dir == NUL)
7927 ex_pwd(NULL);
7928 else
7929 #endif
7930 {
7931 #ifdef FEAT_AUTOCMD
7932 if (allbuf_locked())
7933 return;
7934 #endif
7935 if (vim_strchr(p_cpo, CPO_CHDIR) != NULL && curbufIsChanged()
7936 && !eap->forceit)
7937 {
7938 EMSG(_("E747: Cannot change directory, buffer is modified (add ! to override)"));
7939 return;
7940 }
7941
7942 /* ":cd -": Change to previous directory */
7943 if (STRCMP(new_dir, "-") == 0)
7944 {
7945 if (prev_dir == NULL)
7946 {
7947 EMSG(_("E186: No previous directory"));
7948 return;
7949 }
7950 new_dir = prev_dir;
7951 }
7952
7953 /* Save current directory for next ":cd -" */
7954 tofree = prev_dir;
7955 if (mch_dirname(NameBuff, MAXPATHL) == OK)
7956 prev_dir = vim_strsave(NameBuff);
7957 else
7958 prev_dir = NULL;
7959
7960 #if defined(UNIX) || defined(VMS)
7961 /* for UNIX ":cd" means: go to home directory */
7962 if (*new_dir == NUL)
7963 {
7964 /* use NameBuff for home directory name */
7965 # ifdef VMS
7966 char_u *p;
7967
7968 p = mch_getenv((char_u *)"SYS$LOGIN");
7969 if (p == NULL || *p == NUL) /* empty is the same as not set */
7970 NameBuff[0] = NUL;
7971 else
7972 vim_strncpy(NameBuff, p, MAXPATHL - 1);
7973 # else
7974 expand_env((char_u *)"$HOME", NameBuff, MAXPATHL);
7975 # endif
7976 new_dir = NameBuff;
7977 }
7978 #endif
7979 if (new_dir == NULL || vim_chdir(new_dir))
7980 EMSG(_(e_failed));
7981 else
7982 {
7983 vim_free(curwin->w_localdir);
7984 if (eap->cmdidx == CMD_lcd || eap->cmdidx == CMD_lchdir)
7985 {
7986 /* If still in global directory, need to remember current
7987 * directory as global directory. */
7988 if (globaldir == NULL && prev_dir != NULL)
7989 globaldir = vim_strsave(prev_dir);
7990 /* Remember this local directory for the window. */
7991 if (mch_dirname(NameBuff, MAXPATHL) == OK)
7992 curwin->w_localdir = vim_strsave(NameBuff);
7993 }
7994 else
7995 {
7996 /* We are now in the global directory, no need to remember its
7997 * name. */
7998 vim_free(globaldir);
7999 globaldir = NULL;
8000 curwin->w_localdir = NULL;
8001 }
8002
8003 shorten_fnames(TRUE);
8004
8005 /* Echo the new current directory if the command was typed. */
8006 if (KeyTyped || p_verbose >= 5)
8007 ex_pwd(eap);
8008 }
8009 vim_free(tofree);
8010 }
8011 }
8012
8013 /*
8014 * ":pwd".
8015 */
8016 static void
8017 ex_pwd(eap)
8018 exarg_T *eap UNUSED;
8019 {
8020 if (mch_dirname(NameBuff, MAXPATHL) == OK)
8021 {
8022 #ifdef BACKSLASH_IN_FILENAME
8023 slash_adjust(NameBuff);
8024 #endif
8025 msg(NameBuff);
8026 }
8027 else
8028 EMSG(_("E187: Unknown"));
8029 }
8030
8031 /*
8032 * ":=".
8033 */
8034 static void
8035 ex_equal(eap)
8036 exarg_T *eap;
8037 {
8038 smsg((char_u *)"%ld", (long)eap->line2);
8039 ex_may_print(eap);
8040 }
8041
8042 static void
8043 ex_sleep(eap)
8044 exarg_T *eap;
8045 {
8046 int n;
8047 long len;
8048
8049 if (cursor_valid())
8050 {
8051 n = W_WINROW(curwin) + curwin->w_wrow - msg_scrolled;
8052 if (n >= 0)
8053 windgoto((int)n, curwin->w_wcol);
8054 }
8055
8056 len = eap->line2;
8057 switch (*eap->arg)
8058 {
8059 case 'm': break;
8060 case NUL: len *= 1000L; break;
8061 default: EMSG2(_(e_invarg2), eap->arg); return;
8062 }
8063 do_sleep(len);
8064 }
8065
8066 /*
8067 * Sleep for "msec" milliseconds, but keep checking for a CTRL-C every second.
8068 */
8069 void
8070 do_sleep(msec)
8071 long msec;
8072 {
8073 long done;
8074
8075 cursor_on();
8076 out_flush();
8077 for (done = 0; !got_int && done < msec; done += 1000L)
8078 {
8079 ui_delay(msec - done > 1000L ? 1000L : msec - done, TRUE);
8080 ui_breakcheck();
8081 }
8082 }
8083
8084 static void
8085 do_exmap(eap, isabbrev)
8086 exarg_T *eap;
8087 int isabbrev;
8088 {
8089 int mode;
8090 char_u *cmdp;
8091
8092 cmdp = eap->cmd;
8093 mode = get_map_mode(&cmdp, eap->forceit || isabbrev);
8094
8095 switch (do_map((*cmdp == 'n') ? 2 : (*cmdp == 'u'),
8096 eap->arg, mode, isabbrev))
8097 {
8098 case 1: EMSG(_(e_invarg));
8099 break;
8100 case 2: EMSG(isabbrev ? _(e_noabbr) : _(e_nomap));
8101 break;
8102 }
8103 }
8104
8105 /*
8106 * ":winsize" command (obsolete).
8107 */
8108 static void
8109 ex_winsize(eap)
8110 exarg_T *eap;
8111 {
8112 int w, h;
8113 char_u *arg = eap->arg;
8114 char_u *p;
8115
8116 w = getdigits(&arg);
8117 arg = skipwhite(arg);
8118 p = arg;
8119 h = getdigits(&arg);
8120 if (*p != NUL && *arg == NUL)
8121 set_shellsize(w, h, TRUE);
8122 else
8123 EMSG(_("E465: :winsize requires two number arguments"));
8124 }
8125
8126 #ifdef FEAT_WINDOWS
8127 static void
8128 ex_wincmd(eap)
8129 exarg_T *eap;
8130 {
8131 int xchar = NUL;
8132 char_u *p;
8133
8134 if (*eap->arg == 'g' || *eap->arg == Ctrl_G)
8135 {
8136 /* CTRL-W g and CTRL-W CTRL-G have an extra command character */
8137 if (eap->arg[1] == NUL)
8138 {
8139 EMSG(_(e_invarg));
8140 return;
8141 }
8142 xchar = eap->arg[1];
8143 p = eap->arg + 2;
8144 }
8145 else
8146 p = eap->arg + 1;
8147
8148 eap->nextcmd = check_nextcmd(p);
8149 p = skipwhite(p);
8150 if (*p != NUL && *p != '"' && eap->nextcmd == NULL)
8151 EMSG(_(e_invarg));
8152 else
8153 {
8154 /* Pass flags on for ":vertical wincmd ]". */
8155 postponed_split_flags = cmdmod.split;
8156 postponed_split_tab = cmdmod.tab;
8157 do_window(*eap->arg, eap->addr_count > 0 ? eap->line2 : 0L, xchar);
8158 postponed_split_flags = 0;
8159 postponed_split_tab = 0;
8160 }
8161 }
8162 #endif
8163
8164 #if defined(FEAT_GUI) || defined(UNIX) || defined(VMS) || defined(MSWIN)
8165 /*
8166 * ":winpos".
8167 */
8168 static void
8169 ex_winpos(eap)
8170 exarg_T *eap;
8171 {
8172 int x, y;
8173 char_u *arg = eap->arg;
8174 char_u *p;
8175
8176 if (*arg == NUL)
8177 {
8178 # if defined(FEAT_GUI) || defined(MSWIN)
8179 # ifdef FEAT_GUI
8180 if (gui.in_use && gui_mch_get_winpos(&x, &y) != FAIL)
8181 # else
8182 if (mch_get_winpos(&x, &y) != FAIL)
8183 # endif
8184 {
8185 sprintf((char *)IObuff, _("Window position: X %d, Y %d"), x, y);
8186 msg(IObuff);
8187 }
8188 else
8189 # endif
8190 EMSG(_("E188: Obtaining window position not implemented for this platform"));
8191 }
8192 else
8193 {
8194 x = getdigits(&arg);
8195 arg = skipwhite(arg);
8196 p = arg;
8197 y = getdigits(&arg);
8198 if (*p == NUL || *arg != NUL)
8199 {
8200 EMSG(_("E466: :winpos requires two number arguments"));
8201 return;
8202 }
8203 # ifdef FEAT_GUI
8204 if (gui.in_use)
8205 gui_mch_set_winpos(x, y);
8206 else if (gui.starting)
8207 {
8208 /* Remember the coordinates for when the window is opened. */
8209 gui_win_x = x;
8210 gui_win_y = y;
8211 }
8212 # ifdef HAVE_TGETENT
8213 else
8214 # endif
8215 # else
8216 # ifdef MSWIN
8217 mch_set_winpos(x, y);
8218 # endif
8219 # endif
8220 # ifdef HAVE_TGETENT
8221 if (*T_CWP)
8222 term_set_winpos(x, y);
8223 # endif
8224 }
8225 }
8226 #endif
8227
8228 /*
8229 * Handle command that work like operators: ":delete", ":yank", ":>" and ":<".
8230 */
8231 static void
8232 ex_operators(eap)
8233 exarg_T *eap;
8234 {
8235 oparg_T oa;
8236
8237 clear_oparg(&oa);
8238 oa.regname = eap->regname;
8239 oa.start.lnum = eap->line1;
8240 oa.end.lnum = eap->line2;
8241 oa.line_count = eap->line2 - eap->line1 + 1;
8242 oa.motion_type = MLINE;
8243 #ifdef FEAT_VIRTUALEDIT
8244 virtual_op = FALSE;
8245 #endif
8246 if (eap->cmdidx != CMD_yank) /* position cursor for undo */
8247 {
8248 setpcmark();
8249 curwin->w_cursor.lnum = eap->line1;
8250 beginline(BL_SOL | BL_FIX);
8251 }
8252
8253 switch (eap->cmdidx)
8254 {
8255 case CMD_delete:
8256 oa.op_type = OP_DELETE;
8257 op_delete(&oa);
8258 break;
8259
8260 case CMD_yank:
8261 oa.op_type = OP_YANK;
8262 (void)op_yank(&oa, FALSE, TRUE);
8263 break;
8264
8265 default: /* CMD_rshift or CMD_lshift */
8266 if ((eap->cmdidx == CMD_rshift)
8267 #ifdef FEAT_RIGHTLEFT
8268 ^ curwin->w_p_rl
8269 #endif
8270 )
8271 oa.op_type = OP_RSHIFT;
8272 else
8273 oa.op_type = OP_LSHIFT;
8274 op_shift(&oa, FALSE, eap->amount);
8275 break;
8276 }
8277 #ifdef FEAT_VIRTUALEDIT
8278 virtual_op = MAYBE;
8279 #endif
8280 ex_may_print(eap);
8281 }
8282
8283 /*
8284 * ":put".
8285 */
8286 static void
8287 ex_put(eap)
8288 exarg_T *eap;
8289 {
8290 /* ":0put" works like ":1put!". */
8291 if (eap->line2 == 0)
8292 {
8293 eap->line2 = 1;
8294 eap->forceit = TRUE;
8295 }
8296 curwin->w_cursor.lnum = eap->line2;
8297 do_put(eap->regname, eap->forceit ? BACKWARD : FORWARD, 1L,
8298 PUT_LINE|PUT_CURSLINE);
8299 }
8300
8301 /*
8302 * Handle ":copy" and ":move".
8303 */
8304 static void
8305 ex_copymove(eap)
8306 exarg_T *eap;
8307 {
8308 long n;
8309
8310 n = get_address(&eap->arg, FALSE, FALSE);
8311 if (eap->arg == NULL) /* error detected */
8312 {
8313 eap->nextcmd = NULL;
8314 return;
8315 }
8316 get_flags(eap);
8317
8318 /*
8319 * move or copy lines from 'eap->line1'-'eap->line2' to below line 'n'
8320 */
8321 if (n == MAXLNUM || n < 0 || n > curbuf->b_ml.ml_line_count)
8322 {
8323 EMSG(_(e_invaddr));
8324 return;
8325 }
8326
8327 if (eap->cmdidx == CMD_move)
8328 {
8329 if (do_move(eap->line1, eap->line2, n) == FAIL)
8330 return;
8331 }
8332 else
8333 ex_copy(eap->line1, eap->line2, n);
8334 u_clearline();
8335 beginline(BL_SOL | BL_FIX);
8336 ex_may_print(eap);
8337 }
8338
8339 /*
8340 * Print the current line if flags were given to the Ex command.
8341 */
8342 static void
8343 ex_may_print(eap)
8344 exarg_T *eap;
8345 {
8346 if (eap->flags != 0)
8347 {
8348 print_line(curwin->w_cursor.lnum, (eap->flags & EXFLAG_NR),
8349 (eap->flags & EXFLAG_LIST));
8350 ex_no_reprint = TRUE;
8351 }
8352 }
8353
8354 /*
8355 * ":smagic" and ":snomagic".
8356 */
8357 static void
8358 ex_submagic(eap)
8359 exarg_T *eap;
8360 {
8361 int magic_save = p_magic;
8362
8363 p_magic = (eap->cmdidx == CMD_smagic);
8364 do_sub(eap);
8365 p_magic = magic_save;
8366 }
8367
8368 /*
8369 * ":join".
8370 */
8371 static void
8372 ex_join(eap)
8373 exarg_T *eap;
8374 {
8375 curwin->w_cursor.lnum = eap->line1;
8376 if (eap->line1 == eap->line2)
8377 {
8378 if (eap->addr_count >= 2) /* :2,2join does nothing */
8379 return;
8380 if (eap->line2 == curbuf->b_ml.ml_line_count)
8381 {
8382 beep_flush();
8383 return;
8384 }
8385 ++eap->line2;
8386 }
8387 do_do_join(eap->line2 - eap->line1 + 1, !eap->forceit);
8388 beginline(BL_WHITE | BL_FIX);
8389 ex_may_print(eap);
8390 }
8391
8392 /*
8393 * ":[addr]@r" or ":[addr]*r": execute register
8394 */
8395 static void
8396 ex_at(eap)
8397 exarg_T *eap;
8398 {
8399 int c;
8400 int prev_len = typebuf.tb_len;
8401
8402 curwin->w_cursor.lnum = eap->line2;
8403
8404 #ifdef USE_ON_FLY_SCROLL
8405 dont_scroll = TRUE; /* disallow scrolling here */
8406 #endif
8407
8408 /* get the register name. No name means to use the previous one */
8409 c = *eap->arg;
8410 if (c == NUL || (c == '*' && *eap->cmd == '*'))
8411 c = '@';
8412 /* Put the register in the typeahead buffer with the "silent" flag. */
8413 if (do_execreg(c, TRUE, vim_strchr(p_cpo, CPO_EXECBUF) != NULL, TRUE)
8414 == FAIL)
8415 {
8416 beep_flush();
8417 }
8418 else
8419 {
8420 int save_efr = exec_from_reg;
8421
8422 exec_from_reg = TRUE;
8423
8424 /*
8425 * Execute from the typeahead buffer.
8426 * Continue until the stuff buffer is empty and all added characters
8427 * have been consumed.
8428 */
8429 while (!stuff_empty() || typebuf.tb_len > prev_len)
8430 (void)do_cmdline(NULL, getexline, NULL, DOCMD_NOWAIT|DOCMD_VERBOSE);
8431
8432 exec_from_reg = save_efr;
8433 }
8434 }
8435
8436 /*
8437 * ":!".
8438 */
8439 static void
8440 ex_bang(eap)
8441 exarg_T *eap;
8442 {
8443 do_bang(eap->addr_count, eap, eap->forceit, TRUE, TRUE);
8444 }
8445
8446 /*
8447 * ":undo".
8448 */
8449 static void
8450 ex_undo(eap)
8451 exarg_T *eap UNUSED;
8452 {
8453 if (eap->addr_count == 1) /* :undo 123 */
8454 undo_time(eap->line2, FALSE, TRUE);
8455 else
8456 u_undo(1);
8457 }
8458
8459 /*
8460 * ":redo".
8461 */
8462 static void
8463 ex_redo(eap)
8464 exarg_T *eap UNUSED;
8465 {
8466 u_redo(1);
8467 }
8468
8469 /*
8470 * ":earlier" and ":later".
8471 */
8472 static void
8473 ex_later(eap)
8474 exarg_T *eap;
8475 {
8476 long count = 0;
8477 int sec = FALSE;
8478 char_u *p = eap->arg;
8479
8480 if (*p == NUL)
8481 count = 1;
8482 else if (isdigit(*p))
8483 {
8484 count = getdigits(&p);
8485 switch (*p)
8486 {
8487 case 's': ++p; sec = TRUE; break;
8488 case 'm': ++p; sec = TRUE; count *= 60; break;
8489 case 'h': ++p; sec = TRUE; count *= 60 * 60; break;
8490 }
8491 }
8492
8493 if (*p != NUL)
8494 EMSG2(_(e_invarg2), eap->arg);
8495 else
8496 undo_time(eap->cmdidx == CMD_earlier ? -count : count, sec, FALSE);
8497 }
8498
8499 /*
8500 * ":redir": start/stop redirection.
8501 */
8502 static void
8503 ex_redir(eap)
8504 exarg_T *eap;
8505 {
8506 char *mode;
8507 char_u *fname;
8508 char_u *arg = eap->arg;
8509
8510 if (STRICMP(eap->arg, "END") == 0)
8511 close_redir();
8512 else
8513 {
8514 if (*arg == '>')
8515 {
8516 ++arg;
8517 if (*arg == '>')
8518 {
8519 ++arg;
8520 mode = "a";
8521 }
8522 else
8523 mode = "w";
8524 arg = skipwhite(arg);
8525
8526 close_redir();
8527
8528 /* Expand environment variables and "~/". */
8529 fname = expand_env_save(arg);
8530 if (fname == NULL)
8531 return;
8532 #ifdef FEAT_BROWSE
8533 if (cmdmod.browse)
8534 {
8535 char_u *browseFile;
8536
8537 browseFile = do_browse(BROWSE_SAVE,
8538 (char_u *)_("Save Redirection"),
8539 fname, NULL, NULL, BROWSE_FILTER_ALL_FILES, curbuf);
8540 if (browseFile == NULL)
8541 return; /* operation cancelled */
8542 vim_free(fname);
8543 fname = browseFile;
8544 eap->forceit = TRUE; /* since dialog already asked */
8545 }
8546 #endif
8547
8548 redir_fd = open_exfile(fname, eap->forceit, mode);
8549 vim_free(fname);
8550 }
8551 #ifdef FEAT_EVAL
8552 else if (*arg == '@')
8553 {
8554 /* redirect to a register a-z (resp. A-Z for appending) */
8555 close_redir();
8556 ++arg;
8557 if (ASCII_ISALPHA(*arg)
8558 # ifdef FEAT_CLIPBOARD
8559 || *arg == '*'
8560 || *arg == '+'
8561 # endif
8562 || *arg == '"')
8563 {
8564 redir_reg = *arg++;
8565 if (*arg == '>' && arg[1] == '>') /* append */
8566 arg += 2;
8567 else
8568 {
8569 /* Can use both "@a" and "@a>". */
8570 if (*arg == '>')
8571 arg++;
8572 /* Make register empty when not using @A-@Z and the
8573 * command is valid. */
8574 if (*arg == NUL && !isupper(redir_reg))
8575 write_reg_contents(redir_reg, (char_u *)"", -1, FALSE);
8576 }
8577 }
8578 if (*arg != NUL)
8579 {
8580 redir_reg = 0;
8581 EMSG2(_(e_invarg2), eap->arg);
8582 }
8583 }
8584 else if (*arg == '=' && arg[1] == '>')
8585 {
8586 int append;
8587
8588 /* redirect to a variable */
8589 close_redir();
8590 arg += 2;
8591
8592 if (*arg == '>')
8593 {
8594 ++arg;
8595 append = TRUE;
8596 }
8597 else
8598 append = FALSE;
8599
8600 if (var_redir_start(skipwhite(arg), append) == OK)
8601 redir_vname = 1;
8602 }
8603 #endif
8604
8605 /* TODO: redirect to a buffer */
8606
8607 else
8608 EMSG2(_(e_invarg2), eap->arg);
8609 }
8610
8611 /* Make sure redirection is not off. Can happen for cmdline completion
8612 * that indirectly invokes a command to catch its output. */
8613 if (redir_fd != NULL
8614 #ifdef FEAT_EVAL
8615 || redir_reg || redir_vname
8616 #endif
8617 )
8618 redir_off = FALSE;
8619 }
8620
8621 /*
8622 * ":redraw": force redraw
8623 */
8624 static void
8625 ex_redraw(eap)
8626 exarg_T *eap;
8627 {
8628 int r = RedrawingDisabled;
8629 int p = p_lz;
8630
8631 RedrawingDisabled = 0;
8632 p_lz = FALSE;
8633 update_topline();
8634 update_screen(eap->forceit ? CLEAR :
8635 #ifdef FEAT_VISUAL
8636 VIsual_active ? INVERTED :
8637 #endif
8638 0);
8639 #ifdef FEAT_TITLE
8640 if (need_maketitle)
8641 maketitle();
8642 #endif
8643 RedrawingDisabled = r;
8644 p_lz = p;
8645
8646 /* Reset msg_didout, so that a message that's there is overwritten. */
8647 msg_didout = FALSE;
8648 msg_col = 0;
8649
8650 out_flush();
8651 }
8652
8653 /*
8654 * ":redrawstatus": force redraw of status line(s)
8655 */
8656 static void
8657 ex_redrawstatus(eap)
8658 exarg_T *eap UNUSED;
8659 {
8660 #if defined(FEAT_WINDOWS)
8661 int r = RedrawingDisabled;
8662 int p = p_lz;
8663
8664 RedrawingDisabled = 0;
8665 p_lz = FALSE;
8666 if (eap->forceit)
8667 status_redraw_all();
8668 else
8669 status_redraw_curbuf();
8670 update_screen(
8671 # ifdef FEAT_VISUAL
8672 VIsual_active ? INVERTED :
8673 # endif
8674 0);
8675 RedrawingDisabled = r;
8676 p_lz = p;
8677 out_flush();
8678 #endif
8679 }
8680
8681 static void
8682 close_redir()
8683 {
8684 if (redir_fd != NULL)
8685 {
8686 fclose(redir_fd);
8687 redir_fd = NULL;
8688 }
8689 #ifdef FEAT_EVAL
8690 redir_reg = 0;
8691 if (redir_vname)
8692 {
8693 var_redir_stop();
8694 redir_vname = 0;
8695 }
8696 #endif
8697 }
8698
8699 #if defined(FEAT_SESSION) && defined(USE_CRNL)
8700 # define MKSESSION_NL
8701 static int mksession_nl = FALSE; /* use NL only in put_eol() */
8702 #endif
8703
8704 /*
8705 * ":mkexrc", ":mkvimrc", ":mkview" and ":mksession".
8706 */
8707 static void
8708 ex_mkrc(eap)
8709 exarg_T *eap;
8710 {
8711 FILE *fd;
8712 int failed = FALSE;
8713 char_u *fname;
8714 #ifdef FEAT_BROWSE
8715 char_u *browseFile = NULL;
8716 #endif
8717 #ifdef FEAT_SESSION
8718 int view_session = FALSE;
8719 int using_vdir = FALSE; /* using 'viewdir'? */
8720 char_u *viewFile = NULL;
8721 unsigned *flagp;
8722 #endif
8723
8724 if (eap->cmdidx == CMD_mksession || eap->cmdidx == CMD_mkview)
8725 {
8726 #ifdef FEAT_SESSION
8727 view_session = TRUE;
8728 #else
8729 ex_ni(eap);
8730 return;
8731 #endif
8732 }
8733
8734 #ifdef FEAT_SESSION
8735 /* Use the short file name until ":lcd" is used. We also don't use the
8736 * short file name when 'acd' is set, that is checked later. */
8737 did_lcd = FALSE;
8738
8739 /* ":mkview" or ":mkview 9": generate file name with 'viewdir' */
8740 if (eap->cmdidx == CMD_mkview
8741 && (*eap->arg == NUL
8742 || (vim_isdigit(*eap->arg) && eap->arg[1] == NUL)))
8743 {
8744 eap->forceit = TRUE;
8745 fname = get_view_file(*eap->arg);
8746 if (fname == NULL)
8747 return;
8748 viewFile = fname;
8749 using_vdir = TRUE;
8750 }
8751 else
8752 #endif
8753 if (*eap->arg != NUL)
8754 fname = eap->arg;
8755 else if (eap->cmdidx == CMD_mkvimrc)
8756 fname = (char_u *)VIMRC_FILE;
8757 #ifdef FEAT_SESSION
8758 else if (eap->cmdidx == CMD_mksession)
8759 fname = (char_u *)SESSION_FILE;
8760 #endif
8761 else
8762 fname = (char_u *)EXRC_FILE;
8763
8764 #ifdef FEAT_BROWSE
8765 if (cmdmod.browse)
8766 {
8767 browseFile = do_browse(BROWSE_SAVE,
8768 # ifdef FEAT_SESSION
8769 eap->cmdidx == CMD_mkview ? (char_u *)_("Save View") :
8770 eap->cmdidx == CMD_mksession ? (char_u *)_("Save Session") :
8771 # endif
8772 (char_u *)_("Save Setup"),
8773 fname, (char_u *)"vim", NULL, BROWSE_FILTER_MACROS, NULL);
8774 if (browseFile == NULL)
8775 goto theend;
8776 fname = browseFile;
8777 eap->forceit = TRUE; /* since dialog already asked */
8778 }
8779 #endif
8780
8781 #if defined(FEAT_SESSION) && defined(vim_mkdir)
8782 /* When using 'viewdir' may have to create the directory. */
8783 if (using_vdir && !mch_isdir(p_vdir))
8784 vim_mkdir_emsg(p_vdir, 0755);
8785 #endif
8786
8787 fd = open_exfile(fname, eap->forceit, WRITEBIN);
8788 if (fd != NULL)
8789 {
8790 #ifdef FEAT_SESSION
8791 if (eap->cmdidx == CMD_mkview)
8792 flagp = &vop_flags;
8793 else
8794 flagp = &ssop_flags;
8795 #endif
8796
8797 #ifdef MKSESSION_NL
8798 /* "unix" in 'sessionoptions': use NL line separator */
8799 if (view_session && (*flagp & SSOP_UNIX))
8800 mksession_nl = TRUE;
8801 #endif
8802
8803 /* Write the version command for :mkvimrc */
8804 if (eap->cmdidx == CMD_mkvimrc)
8805 (void)put_line(fd, "version 6.0");
8806
8807 #ifdef FEAT_SESSION
8808 if (eap->cmdidx == CMD_mksession)
8809 {
8810 if (put_line(fd, "let SessionLoad = 1") == FAIL)
8811 failed = TRUE;
8812 }
8813
8814 if (eap->cmdidx != CMD_mkview)
8815 #endif
8816 {
8817 /* Write setting 'compatible' first, because it has side effects.
8818 * For that same reason only do it when needed. */
8819 if (p_cp)
8820 (void)put_line(fd, "if !&cp | set cp | endif");
8821 else
8822 (void)put_line(fd, "if &cp | set nocp | endif");
8823 }
8824
8825 #ifdef FEAT_SESSION
8826 if (!view_session
8827 || (eap->cmdidx == CMD_mksession
8828 && (*flagp & SSOP_OPTIONS)))
8829 #endif
8830 failed |= (makemap(fd, NULL) == FAIL
8831 || makeset(fd, OPT_GLOBAL, FALSE) == FAIL);
8832
8833 #ifdef FEAT_SESSION
8834 if (!failed && view_session)
8835 {
8836 if (put_line(fd, "let s:so_save = &so | let s:siso_save = &siso | set so=0 siso=0") == FAIL)
8837 failed = TRUE;
8838 if (eap->cmdidx == CMD_mksession)
8839 {
8840 char_u dirnow[MAXPATHL]; /* current directory */
8841
8842 /*
8843 * Change to session file's dir.
8844 */
8845 if (mch_dirname(dirnow, MAXPATHL) == FAIL
8846 || mch_chdir((char *)dirnow) != 0)
8847 *dirnow = NUL;
8848 if (*dirnow != NUL && (ssop_flags & SSOP_SESDIR))
8849 {
8850 if (vim_chdirfile(fname) == OK)
8851 shorten_fnames(TRUE);
8852 }
8853 else if (*dirnow != NUL
8854 && (ssop_flags & SSOP_CURDIR) && globaldir != NULL)
8855 {
8856 if (mch_chdir((char *)globaldir) == 0)
8857 shorten_fnames(TRUE);
8858 }
8859
8860 failed |= (makeopens(fd, dirnow) == FAIL);
8861
8862 /* restore original dir */
8863 if (*dirnow != NUL && ((ssop_flags & SSOP_SESDIR)
8864 || ((ssop_flags & SSOP_CURDIR) && globaldir != NULL)))
8865 {
8866 if (mch_chdir((char *)dirnow) != 0)
8867 EMSG(_(e_prev_dir));
8868 shorten_fnames(TRUE);
8869 }
8870 }
8871 else
8872 {
8873 failed |= (put_view(fd, curwin, !using_vdir, flagp,
8874 -1) == FAIL);
8875 }
8876 if (put_line(fd, "let &so = s:so_save | let &siso = s:siso_save")
8877 == FAIL)
8878 failed = TRUE;
8879 if (put_line(fd, "doautoall SessionLoadPost") == FAIL)
8880 failed = TRUE;
8881 if (eap->cmdidx == CMD_mksession)
8882 {
8883 if (put_line(fd, "unlet SessionLoad") == FAIL)
8884 failed = TRUE;
8885 }
8886 }
8887 #endif
8888 if (put_line(fd, "\" vim: set ft=vim :") == FAIL)
8889 failed = TRUE;
8890
8891 failed |= fclose(fd);
8892
8893 if (failed)
8894 EMSG(_(e_write));
8895 #if defined(FEAT_EVAL) && defined(FEAT_SESSION)
8896 else if (eap->cmdidx == CMD_mksession)
8897 {
8898 /* successful session write - set this_session var */
8899 char_u tbuf[MAXPATHL];
8900
8901 if (vim_FullName(fname, tbuf, MAXPATHL, FALSE) == OK)
8902 set_vim_var_string(VV_THIS_SESSION, tbuf, -1);
8903 }
8904 #endif
8905 #ifdef MKSESSION_NL
8906 mksession_nl = FALSE;
8907 #endif
8908 }
8909
8910 #ifdef FEAT_BROWSE
8911 theend:
8912 vim_free(browseFile);
8913 #endif
8914 #ifdef FEAT_SESSION
8915 vim_free(viewFile);
8916 #endif
8917 }
8918
8919 #if ((defined(FEAT_SESSION) || defined(FEAT_EVAL)) && defined(vim_mkdir)) \
8920 || defined(PROTO)
8921 int
8922 vim_mkdir_emsg(name, prot)
8923 char_u *name;
8924 int prot UNUSED;
8925 {
8926 if (vim_mkdir(name, prot) != 0)
8927 {
8928 EMSG2(_("E739: Cannot create directory: %s"), name);
8929 return FAIL;
8930 }
8931 return OK;
8932 }
8933 #endif
8934
8935 /*
8936 * Open a file for writing for an Ex command, with some checks.
8937 * Return file descriptor, or NULL on failure.
8938 */
8939 FILE *
8940 open_exfile(fname, forceit, mode)
8941 char_u *fname;
8942 int forceit;
8943 char *mode; /* "w" for create new file or "a" for append */
8944 {
8945 FILE *fd;
8946
8947 #ifdef UNIX
8948 /* with Unix it is possible to open a directory */
8949 if (mch_isdir(fname))
8950 {
8951 EMSG2(_(e_isadir2), fname);
8952 return NULL;
8953 }
8954 #endif
8955 if (!forceit && *mode != 'a' && vim_fexists(fname))
8956 {
8957 EMSG2(_("E189: \"%s\" exists (add ! to override)"), fname);
8958 return NULL;
8959 }
8960
8961 if ((fd = mch_fopen((char *)fname, mode)) == NULL)
8962 EMSG2(_("E190: Cannot open \"%s\" for writing"), fname);
8963
8964 return fd;
8965 }
8966
8967 /*
8968 * ":mark" and ":k".
8969 */
8970 static void
8971 ex_mark(eap)
8972 exarg_T *eap;
8973 {
8974 pos_T pos;
8975
8976 if (*eap->arg == NUL) /* No argument? */
8977 EMSG(_(e_argreq));
8978 else if (eap->arg[1] != NUL) /* more than one character? */
8979 EMSG(_(e_trailing));
8980 else
8981 {
8982 pos = curwin->w_cursor; /* save curwin->w_cursor */
8983 curwin->w_cursor.lnum = eap->line2;
8984 beginline(BL_WHITE | BL_FIX);
8985 if (setmark(*eap->arg) == FAIL) /* set mark */
8986 EMSG(_("E191: Argument must be a letter or forward/backward quote"));
8987 curwin->w_cursor = pos; /* restore curwin->w_cursor */
8988 }
8989 }
8990
8991 /*
8992 * Update w_topline, w_leftcol and the cursor position.
8993 */
8994 void
8995 update_topline_cursor()
8996 {
8997 check_cursor(); /* put cursor on valid line */
8998 update_topline();
8999 if (!curwin->w_p_wrap)
9000 validate_cursor();
9001 update_curswant();
9002 }
9003
9004 #ifdef FEAT_EX_EXTRA
9005 /*
9006 * ":normal[!] {commands}": Execute normal mode commands.
9007 */
9008 static void
9009 ex_normal(eap)
9010 exarg_T *eap;
9011 {
9012 int save_msg_scroll = msg_scroll;
9013 int save_restart_edit = restart_edit;
9014 int save_msg_didout = msg_didout;
9015 int save_State = State;
9016 tasave_T tabuf;
9017 int save_insertmode = p_im;
9018 int save_finish_op = finish_op;
9019 int save_opcount = opcount;
9020 #ifdef FEAT_MBYTE
9021 char_u *arg = NULL;
9022 int l;
9023 char_u *p;
9024 #endif
9025
9026 if (ex_normal_lock > 0)
9027 {
9028 EMSG(_(e_secure));
9029 return;
9030 }
9031 if (ex_normal_busy >= p_mmd)
9032 {
9033 EMSG(_("E192: Recursive use of :normal too deep"));
9034 return;
9035 }
9036 ++ex_normal_busy;
9037
9038 msg_scroll = FALSE; /* no msg scrolling in Normal mode */
9039 restart_edit = 0; /* don't go to Insert mode */
9040 p_im = FALSE; /* don't use 'insertmode' */
9041
9042 #ifdef FEAT_MBYTE
9043 /*
9044 * vgetc() expects a CSI and K_SPECIAL to have been escaped. Don't do
9045 * this for the K_SPECIAL leading byte, otherwise special keys will not
9046 * work.
9047 */
9048 if (has_mbyte)
9049 {
9050 int len = 0;
9051
9052 /* Count the number of characters to be escaped. */
9053 for (p = eap->arg; *p != NUL; ++p)
9054 {
9055 # ifdef FEAT_GUI
9056 if (*p == CSI) /* leadbyte CSI */
9057 len += 2;
9058 # endif
9059 for (l = (*mb_ptr2len)(p) - 1; l > 0; --l)
9060 if (*++p == K_SPECIAL /* trailbyte K_SPECIAL or CSI */
9061 # ifdef FEAT_GUI
9062 || *p == CSI
9063 # endif
9064 )
9065 len += 2;
9066 }
9067 if (len > 0)
9068 {
9069 arg = alloc((unsigned)(STRLEN(eap->arg) + len + 1));
9070 if (arg != NULL)
9071 {
9072 len = 0;
9073 for (p = eap->arg; *p != NUL; ++p)
9074 {
9075 arg[len++] = *p;
9076 # ifdef FEAT_GUI
9077 if (*p == CSI)
9078 {
9079 arg[len++] = KS_EXTRA;
9080 arg[len++] = (int)KE_CSI;
9081 }
9082 # endif
9083 for (l = (*mb_ptr2len)(p) - 1; l > 0; --l)
9084 {
9085 arg[len++] = *++p;
9086 if (*p == K_SPECIAL)
9087 {
9088 arg[len++] = KS_SPECIAL;
9089 arg[len++] = KE_FILLER;
9090 }
9091 # ifdef FEAT_GUI
9092 else if (*p == CSI)
9093 {
9094 arg[len++] = KS_EXTRA;
9095 arg[len++] = (int)KE_CSI;
9096 }
9097 # endif
9098 }
9099 arg[len] = NUL;
9100 }
9101 }
9102 }
9103 }
9104 #endif
9105
9106 /*
9107 * Save the current typeahead. This is required to allow using ":normal"
9108 * from an event handler and makes sure we don't hang when the argument
9109 * ends with half a command.
9110 */
9111 save_typeahead(&tabuf);
9112 if (tabuf.typebuf_valid)
9113 {
9114 /*
9115 * Repeat the :normal command for each line in the range. When no
9116 * range given, execute it just once, without positioning the cursor
9117 * first.
9118 */
9119 do
9120 {
9121 if (eap->addr_count != 0)
9122 {
9123 curwin->w_cursor.lnum = eap->line1++;
9124 curwin->w_cursor.col = 0;
9125 }
9126
9127 exec_normal_cmd(
9128 #ifdef FEAT_MBYTE
9129 arg != NULL ? arg :
9130 #endif
9131 eap->arg, eap->forceit ? REMAP_NONE : REMAP_YES, FALSE);
9132 }
9133 while (eap->addr_count > 0 && eap->line1 <= eap->line2 && !got_int);
9134 }
9135
9136 /* Might not return to the main loop when in an event handler. */
9137 update_topline_cursor();
9138
9139 /* Restore the previous typeahead. */
9140 restore_typeahead(&tabuf);
9141
9142 --ex_normal_busy;
9143 msg_scroll = save_msg_scroll;
9144 restart_edit = save_restart_edit;
9145 p_im = save_insertmode;
9146 finish_op = save_finish_op;
9147 opcount = save_opcount;
9148 msg_didout |= save_msg_didout; /* don't reset msg_didout now */
9149
9150 /* Restore the state (needed when called from a function executed for
9151 * 'indentexpr'). */
9152 State = save_State;
9153 #ifdef FEAT_MBYTE
9154 vim_free(arg);
9155 #endif
9156 }
9157
9158 /*
9159 * ":startinsert", ":startreplace" and ":startgreplace"
9160 */
9161 static void
9162 ex_startinsert(eap)
9163 exarg_T *eap;
9164 {
9165 if (eap->forceit)
9166 {
9167 coladvance((colnr_T)MAXCOL);
9168 curwin->w_curswant = MAXCOL;
9169 curwin->w_set_curswant = FALSE;
9170 }
9171
9172 /* Ignore the command when already in Insert mode. Inserting an
9173 * expression register that invokes a function can do this. */
9174 if (State & INSERT)
9175 return;
9176
9177 if (eap->cmdidx == CMD_startinsert)
9178 restart_edit = 'a';
9179 else if (eap->cmdidx == CMD_startreplace)
9180 restart_edit = 'R';
9181 else
9182 restart_edit = 'V';
9183
9184 if (!eap->forceit)
9185 {
9186 if (eap->cmdidx == CMD_startinsert)
9187 restart_edit = 'i';
9188 curwin->w_curswant = 0; /* avoid MAXCOL */
9189 }
9190 }
9191
9192 /*
9193 * ":stopinsert"
9194 */
9195 static void
9196 ex_stopinsert(eap)
9197 exarg_T *eap UNUSED;
9198 {
9199 restart_edit = 0;
9200 stop_insert_mode = TRUE;
9201 }
9202 #endif
9203
9204 #if defined(FEAT_EX_EXTRA) || defined(FEAT_MENU) || defined(PROTO)
9205 /*
9206 * Execute normal mode command "cmd".
9207 * "remap" can be REMAP_NONE or REMAP_YES.
9208 */
9209 void
9210 exec_normal_cmd(cmd, remap, silent)
9211 char_u *cmd;
9212 int remap;
9213 int silent;
9214 {
9215 oparg_T oa;
9216
9217 /*
9218 * Stuff the argument into the typeahead buffer.
9219 * Execute normal_cmd() until there is no typeahead left.
9220 */
9221 clear_oparg(&oa);
9222 finish_op = FALSE;
9223 ins_typebuf(cmd, remap, 0, TRUE, silent);
9224 while ((!stuff_empty() || (!typebuf_typed() && typebuf.tb_len > 0))
9225 && !got_int)
9226 {
9227 update_topline_cursor();
9228 normal_cmd(&oa, FALSE); /* execute a Normal mode cmd */
9229 }
9230 }
9231 #endif
9232
9233 #ifdef FEAT_FIND_ID
9234 static void
9235 ex_checkpath(eap)
9236 exarg_T *eap;
9237 {
9238 find_pattern_in_path(NULL, 0, 0, FALSE, FALSE, CHECK_PATH, 1L,
9239 eap->forceit ? ACTION_SHOW_ALL : ACTION_SHOW,
9240 (linenr_T)1, (linenr_T)MAXLNUM);
9241 }
9242
9243 #if defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX)
9244 /*
9245 * ":psearch"
9246 */
9247 static void
9248 ex_psearch(eap)
9249 exarg_T *eap;
9250 {
9251 g_do_tagpreview = p_pvh;
9252 ex_findpat(eap);
9253 g_do_tagpreview = 0;
9254 }
9255 #endif
9256
9257 static void
9258 ex_findpat(eap)
9259 exarg_T *eap;
9260 {
9261 int whole = TRUE;
9262 long n;
9263 char_u *p;
9264 int action;
9265
9266 switch (cmdnames[eap->cmdidx].cmd_name[2])
9267 {
9268 case 'e': /* ":psearch", ":isearch" and ":dsearch" */
9269 if (cmdnames[eap->cmdidx].cmd_name[0] == 'p')
9270 action = ACTION_GOTO;
9271 else
9272 action = ACTION_SHOW;
9273 break;
9274 case 'i': /* ":ilist" and ":dlist" */
9275 action = ACTION_SHOW_ALL;
9276 break;
9277 case 'u': /* ":ijump" and ":djump" */
9278 action = ACTION_GOTO;
9279 break;
9280 default: /* ":isplit" and ":dsplit" */
9281 action = ACTION_SPLIT;
9282 break;
9283 }
9284
9285 n = 1;
9286 if (vim_isdigit(*eap->arg)) /* get count */
9287 {
9288 n = getdigits(&eap->arg);
9289 eap->arg = skipwhite(eap->arg);
9290 }
9291 if (*eap->arg == '/') /* Match regexp, not just whole words */
9292 {
9293 whole = FALSE;
9294 ++eap->arg;
9295 p = skip_regexp(eap->arg, '/', p_magic, NULL);
9296 if (*p)
9297 {
9298 *p++ = NUL;
9299 p = skipwhite(p);
9300
9301 /* Check for trailing illegal characters */
9302 if (!ends_excmd(*p))
9303 eap->errmsg = e_trailing;
9304 else
9305 eap->nextcmd = check_nextcmd(p);
9306 }
9307 }
9308 if (!eap->skip)
9309 find_pattern_in_path(eap->arg, 0, (int)STRLEN(eap->arg),
9310 whole, !eap->forceit,
9311 *eap->cmd == 'd' ? FIND_DEFINE : FIND_ANY,
9312 n, action, eap->line1, eap->line2);
9313 }
9314 #endif
9315
9316 #ifdef FEAT_WINDOWS
9317
9318 # ifdef FEAT_QUICKFIX
9319 /*
9320 * ":ptag", ":ptselect", ":ptjump", ":ptnext", etc.
9321 */
9322 static void
9323 ex_ptag(eap)
9324 exarg_T *eap;
9325 {
9326 g_do_tagpreview = p_pvh;
9327 ex_tag_cmd(eap, cmdnames[eap->cmdidx].cmd_name + 1);
9328 }
9329
9330 /*
9331 * ":pedit"
9332 */
9333 static void
9334 ex_pedit(eap)
9335 exarg_T *eap;
9336 {
9337 win_T *curwin_save = curwin;
9338
9339 g_do_tagpreview = p_pvh;
9340 prepare_tagpreview(TRUE);
9341 keep_help_flag = curwin_save->w_buffer->b_help;
9342 do_exedit(eap, NULL);
9343 keep_help_flag = FALSE;
9344 if (curwin != curwin_save && win_valid(curwin_save))
9345 {
9346 /* Return cursor to where we were */
9347 validate_cursor();
9348 redraw_later(VALID);
9349 win_enter(curwin_save, TRUE);
9350 }
9351 g_do_tagpreview = 0;
9352 }
9353 # endif
9354
9355 /*
9356 * ":stag", ":stselect" and ":stjump".
9357 */
9358 static void
9359 ex_stag(eap)
9360 exarg_T *eap;
9361 {
9362 postponed_split = -1;
9363 postponed_split_flags = cmdmod.split;
9364 postponed_split_tab = cmdmod.tab;
9365 ex_tag_cmd(eap, cmdnames[eap->cmdidx].cmd_name + 1);
9366 postponed_split_flags = 0;
9367 postponed_split_tab = 0;
9368 }
9369 #endif
9370
9371 /*
9372 * ":tag", ":tselect", ":tjump", ":tnext", etc.
9373 */
9374 static void
9375 ex_tag(eap)
9376 exarg_T *eap;
9377 {
9378 ex_tag_cmd(eap, cmdnames[eap->cmdidx].cmd_name);
9379 }
9380
9381 static void
9382 ex_tag_cmd(eap, name)
9383 exarg_T *eap;
9384 char_u *name;
9385 {
9386 int cmd;
9387
9388 switch (name[1])
9389 {
9390 case 'j': cmd = DT_JUMP; /* ":tjump" */
9391 break;
9392 case 's': cmd = DT_SELECT; /* ":tselect" */
9393 break;
9394 case 'p': cmd = DT_PREV; /* ":tprevious" */
9395 break;
9396 case 'N': cmd = DT_PREV; /* ":tNext" */
9397 break;
9398 case 'n': cmd = DT_NEXT; /* ":tnext" */
9399 break;
9400 case 'o': cmd = DT_POP; /* ":pop" */
9401 break;
9402 case 'f': /* ":tfirst" */
9403 case 'r': cmd = DT_FIRST; /* ":trewind" */
9404 break;
9405 case 'l': cmd = DT_LAST; /* ":tlast" */
9406 break;
9407 default: /* ":tag" */
9408 #ifdef FEAT_CSCOPE
9409 if (p_cst && *eap->arg != NUL)
9410 {
9411 do_cstag(eap);
9412 return;
9413 }
9414 #endif
9415 cmd = DT_TAG;
9416 break;
9417 }
9418
9419 if (name[0] == 'l')
9420 {
9421 #ifndef FEAT_QUICKFIX
9422 ex_ni(eap);
9423 return;
9424 #else
9425 cmd = DT_LTAG;
9426 #endif
9427 }
9428
9429 do_tag(eap->arg, cmd, eap->addr_count > 0 ? (int)eap->line2 : 1,
9430 eap->forceit, TRUE);
9431 }
9432
9433 /*
9434 * Check "str" for starting with a special cmdline variable.
9435 * If found return one of the SPEC_ values and set "*usedlen" to the length of
9436 * the variable. Otherwise return -1 and "*usedlen" is unchanged.
9437 */
9438 int
9439 find_cmdline_var(src, usedlen)
9440 char_u *src;
9441 int *usedlen;
9442 {
9443 int len;
9444 int i;
9445 static char *(spec_str[]) = {
9446 "%",
9447 #define SPEC_PERC 0
9448 "#",
9449 #define SPEC_HASH 1
9450 "<cword>", /* cursor word */
9451 #define SPEC_CWORD 2
9452 "<cWORD>", /* cursor WORD */
9453 #define SPEC_CCWORD 3
9454 "<cfile>", /* cursor path name */
9455 #define SPEC_CFILE 4
9456 "<sfile>", /* ":so" file name */
9457 #define SPEC_SFILE 5
9458 #ifdef FEAT_AUTOCMD
9459 "<afile>", /* autocommand file name */
9460 # define SPEC_AFILE 6
9461 "<abuf>", /* autocommand buffer number */
9462 # define SPEC_ABUF 7
9463 "<amatch>", /* autocommand match name */
9464 # define SPEC_AMATCH 8
9465 #endif
9466 #ifdef FEAT_CLIENTSERVER
9467 "<client>"
9468 # define SPEC_CLIENT 9
9469 #endif
9470 };
9471
9472 for (i = 0; i < (int)(sizeof(spec_str) / sizeof(char *)); ++i)
9473 {
9474 len = (int)STRLEN(spec_str[i]);
9475 if (STRNCMP(src, spec_str[i], len) == 0)
9476 {
9477 *usedlen = len;
9478 return i;
9479 }
9480 }
9481 return -1;
9482 }
9483
9484 /*
9485 * Evaluate cmdline variables.
9486 *
9487 * change '%' to curbuf->b_ffname
9488 * '#' to curwin->w_altfile
9489 * '<cword>' to word under the cursor
9490 * '<cWORD>' to WORD under the cursor
9491 * '<cfile>' to path name under the cursor
9492 * '<sfile>' to sourced file name
9493 * '<afile>' to file name for autocommand
9494 * '<abuf>' to buffer number for autocommand
9495 * '<amatch>' to matching name for autocommand
9496 *
9497 * When an error is detected, "errormsg" is set to a non-NULL pointer (may be
9498 * "" for error without a message) and NULL is returned.
9499 * Returns an allocated string if a valid match was found.
9500 * Returns NULL if no match was found. "usedlen" then still contains the
9501 * number of characters to skip.
9502 */
9503 char_u *
9504 eval_vars(src, srcstart, usedlen, lnump, errormsg, escaped)
9505 char_u *src; /* pointer into commandline */
9506 char_u *srcstart; /* beginning of valid memory for src */
9507 int *usedlen; /* characters after src that are used */
9508 linenr_T *lnump; /* line number for :e command, or NULL */
9509 char_u **errormsg; /* pointer to error message */
9510 int *escaped; /* return value has escaped white space (can
9511 * be NULL) */
9512 {
9513 int i;
9514 char_u *s;
9515 char_u *result;
9516 char_u *resultbuf = NULL;
9517 int resultlen;
9518 buf_T *buf;
9519 int valid = VALID_HEAD + VALID_PATH; /* assume valid result */
9520 int spec_idx;
9521 #ifdef FEAT_MODIFY_FNAME
9522 int skip_mod = FALSE;
9523 #endif
9524
9525 #if defined(FEAT_AUTOCMD) || defined(FEAT_CLIENTSERVER)
9526 char_u strbuf[30];
9527 #endif
9528
9529 *errormsg = NULL;
9530 if (escaped != NULL)
9531 *escaped = FALSE;
9532
9533 /*
9534 * Check if there is something to do.
9535 */
9536 spec_idx = find_cmdline_var(src, usedlen);
9537 if (spec_idx < 0) /* no match */
9538 {
9539 *usedlen = 1;
9540 return NULL;
9541 }
9542
9543 /*
9544 * Skip when preceded with a backslash "\%" and "\#".
9545 * Note: In "\\%" the % is also not recognized!
9546 */
9547 if (src > srcstart && src[-1] == '\\')
9548 {
9549 *usedlen = 0;
9550 STRMOVE(src - 1, src); /* remove backslash */
9551 return NULL;
9552 }
9553
9554 /*
9555 * word or WORD under cursor
9556 */
9557 if (spec_idx == SPEC_CWORD || spec_idx == SPEC_CCWORD)
9558 {
9559 resultlen = find_ident_under_cursor(&result, spec_idx == SPEC_CWORD ?
9560 (FIND_IDENT|FIND_STRING) : FIND_STRING);
9561 if (resultlen == 0)
9562 {
9563 *errormsg = (char_u *)"";
9564 return NULL;
9565 }
9566 }
9567
9568 /*
9569 * '#': Alternate file name
9570 * '%': Current file name
9571 * File name under the cursor
9572 * File name for autocommand
9573 * and following modifiers
9574 */
9575 else
9576 {
9577 switch (spec_idx)
9578 {
9579 case SPEC_PERC: /* '%': current file */
9580 if (curbuf->b_fname == NULL)
9581 {
9582 result = (char_u *)"";
9583 valid = 0; /* Must have ":p:h" to be valid */
9584 }
9585 else
9586 #ifdef RISCOS
9587 /* Always use the full path for RISC OS if possible. */
9588 result = curbuf->b_ffname;
9589 if (result == NULL)
9590 result = curbuf->b_fname;
9591 #else
9592 result = curbuf->b_fname;
9593 #endif
9594 break;
9595
9596 case SPEC_HASH: /* '#' or "#99": alternate file */
9597 if (src[1] == '#') /* "##": the argument list */
9598 {
9599 result = arg_all();
9600 resultbuf = result;
9601 *usedlen = 2;
9602 if (escaped != NULL)
9603 *escaped = TRUE;
9604 #ifdef FEAT_MODIFY_FNAME
9605 skip_mod = TRUE;
9606 #endif
9607 break;
9608 }
9609 s = src + 1;
9610 if (*s == '<') /* "#<99" uses v:oldfiles */
9611 ++s;
9612 i = (int)getdigits(&s);
9613 *usedlen = (int)(s - src); /* length of what we expand */
9614
9615 if (src[1] == '<')
9616 {
9617 if (*usedlen < 2)
9618 {
9619 /* Should we give an error message for #<text? */
9620 *usedlen = 1;
9621 return NULL;
9622 }
9623 #ifdef FEAT_EVAL
9624 result = list_find_str(get_vim_var_list(VV_OLDFILES),
9625 (long)i);
9626 if (result == NULL)
9627 {
9628 *errormsg = (char_u *)"";
9629 return NULL;
9630 }
9631 #else
9632 *errormsg = (char_u *)_("E809: #< is not available without the +eval feature");
9633 return NULL;
9634 #endif
9635 }
9636 else
9637 {
9638 buf = buflist_findnr(i);
9639 if (buf == NULL)
9640 {
9641 *errormsg = (char_u *)_("E194: No alternate file name to substitute for '#'");
9642 return NULL;
9643 }
9644 if (lnump != NULL)
9645 *lnump = ECMD_LAST;
9646 if (buf->b_fname == NULL)
9647 {
9648 result = (char_u *)"";
9649 valid = 0; /* Must have ":p:h" to be valid */
9650 }
9651 else
9652 result = buf->b_fname;
9653 }
9654 break;
9655
9656 #ifdef FEAT_SEARCHPATH
9657 case SPEC_CFILE: /* file name under cursor */
9658 result = file_name_at_cursor(FNAME_MESS|FNAME_HYP, 1L, NULL);
9659 if (result == NULL)
9660 {
9661 *errormsg = (char_u *)"";
9662 return NULL;
9663 }
9664 resultbuf = result; /* remember allocated string */
9665 break;
9666 #endif
9667
9668 #ifdef FEAT_AUTOCMD
9669 case SPEC_AFILE: /* file name for autocommand */
9670 result = autocmd_fname;
9671 if (result != NULL && !autocmd_fname_full)
9672 {
9673 /* Still need to turn the fname into a full path. It is
9674 * postponed to avoid a delay when <afile> is not used. */
9675 autocmd_fname_full = TRUE;
9676 result = FullName_save(autocmd_fname, FALSE);
9677 vim_free(autocmd_fname);
9678 autocmd_fname = result;
9679 }
9680 if (result == NULL)
9681 {
9682 *errormsg = (char_u *)_("E495: no autocommand file name to substitute for \"<afile>\"");
9683 return NULL;
9684 }
9685 result = shorten_fname1(result);
9686 break;
9687
9688 case SPEC_ABUF: /* buffer number for autocommand */
9689 if (autocmd_bufnr <= 0)
9690 {
9691 *errormsg = (char_u *)_("E496: no autocommand buffer number to substitute for \"<abuf>\"");
9692 return NULL;
9693 }
9694 sprintf((char *)strbuf, "%d", autocmd_bufnr);
9695 result = strbuf;
9696 break;
9697
9698 case SPEC_AMATCH: /* match name for autocommand */
9699 result = autocmd_match;
9700 if (result == NULL)
9701 {
9702 *errormsg = (char_u *)_("E497: no autocommand match name to substitute for \"<amatch>\"");
9703 return NULL;
9704 }
9705 break;
9706
9707 #endif
9708 case SPEC_SFILE: /* file name for ":so" command */
9709 result = sourcing_name;
9710 if (result == NULL)
9711 {
9712 *errormsg = (char_u *)_("E498: no :source file name to substitute for \"<sfile>\"");
9713 return NULL;
9714 }
9715 break;
9716 #if defined(FEAT_CLIENTSERVER)
9717 case SPEC_CLIENT: /* Source of last submitted input */
9718 sprintf((char *)strbuf, PRINTF_HEX_LONG_U,
9719 (long_u)clientWindow);
9720 result = strbuf;
9721 break;
9722 #endif
9723 }
9724
9725 resultlen = (int)STRLEN(result); /* length of new string */
9726 if (src[*usedlen] == '<') /* remove the file name extension */
9727 {
9728 ++*usedlen;
9729 #ifdef RISCOS
9730 if ((s = vim_strrchr(result, '/')) != NULL && s >= gettail(result))
9731 #else
9732 if ((s = vim_strrchr(result, '.')) != NULL && s >= gettail(result))
9733 #endif
9734 resultlen = (int)(s - result);
9735 }
9736 #ifdef FEAT_MODIFY_FNAME
9737 else if (!skip_mod)
9738 {
9739 valid |= modify_fname(src, usedlen, &result, &resultbuf,
9740 &resultlen);
9741 if (result == NULL)
9742 {
9743 *errormsg = (char_u *)"";
9744 return NULL;
9745 }
9746 }
9747 #endif
9748 }
9749
9750 if (resultlen == 0 || valid != VALID_HEAD + VALID_PATH)
9751 {
9752 if (valid != VALID_HEAD + VALID_PATH)
9753 /* xgettext:no-c-format */
9754 *errormsg = (char_u *)_("E499: Empty file name for '%' or '#', only works with \":p:h\"");
9755 else
9756 *errormsg = (char_u *)_("E500: Evaluates to an empty string");
9757 result = NULL;
9758 }
9759 else
9760 result = vim_strnsave(result, resultlen);
9761 vim_free(resultbuf);
9762 return result;
9763 }
9764
9765 /*
9766 * Concatenate all files in the argument list, separated by spaces, and return
9767 * it in one allocated string.
9768 * Spaces and backslashes in the file names are escaped with a backslash.
9769 * Returns NULL when out of memory.
9770 */
9771 static char_u *
9772 arg_all()
9773 {
9774 int len;
9775 int idx;
9776 char_u *retval = NULL;
9777 char_u *p;
9778
9779 /*
9780 * Do this loop two times:
9781 * first time: compute the total length
9782 * second time: concatenate the names
9783 */
9784 for (;;)
9785 {
9786 len = 0;
9787 for (idx = 0; idx < ARGCOUNT; ++idx)
9788 {
9789 p = alist_name(&ARGLIST[idx]);
9790 if (p != NULL)
9791 {
9792 if (len > 0)
9793 {
9794 /* insert a space in between names */
9795 if (retval != NULL)
9796 retval[len] = ' ';
9797 ++len;
9798 }
9799 for ( ; *p != NUL; ++p)
9800 {
9801 if (*p == ' ' || *p == '\\')
9802 {
9803 /* insert a backslash */
9804 if (retval != NULL)
9805 retval[len] = '\\';
9806 ++len;
9807 }
9808 if (retval != NULL)
9809 retval[len] = *p;
9810 ++len;
9811 }
9812 }
9813 }
9814
9815 /* second time: break here */
9816 if (retval != NULL)
9817 {
9818 retval[len] = NUL;
9819 break;
9820 }
9821
9822 /* allocate memory */
9823 retval = alloc((unsigned)len + 1);
9824 if (retval == NULL)
9825 break;
9826 }
9827
9828 return retval;
9829 }
9830
9831 #if defined(FEAT_AUTOCMD) || defined(PROTO)
9832 /*
9833 * Expand the <sfile> string in "arg".
9834 *
9835 * Returns an allocated string, or NULL for any error.
9836 */
9837 char_u *
9838 expand_sfile(arg)
9839 char_u *arg;
9840 {
9841 char_u *errormsg;
9842 int len;
9843 char_u *result;
9844 char_u *newres;
9845 char_u *repl;
9846 int srclen;
9847 char_u *p;
9848
9849 result = vim_strsave(arg);
9850 if (result == NULL)
9851 return NULL;
9852
9853 for (p = result; *p; )
9854 {
9855 if (STRNCMP(p, "<sfile>", 7) != 0)
9856 ++p;
9857 else
9858 {
9859 /* replace "<sfile>" with the sourced file name, and do ":" stuff */
9860 repl = eval_vars(p, result, &srclen, NULL, &errormsg, NULL);
9861 if (errormsg != NULL)
9862 {
9863 if (*errormsg)
9864 emsg(errormsg);
9865 vim_free(result);
9866 return NULL;
9867 }
9868 if (repl == NULL) /* no match (cannot happen) */
9869 {
9870 p += srclen;
9871 continue;
9872 }
9873 len = (int)STRLEN(result) - srclen + (int)STRLEN(repl) + 1;
9874 newres = alloc(len);
9875 if (newres == NULL)
9876 {
9877 vim_free(repl);
9878 vim_free(result);
9879 return NULL;
9880 }
9881 mch_memmove(newres, result, (size_t)(p - result));
9882 STRCPY(newres + (p - result), repl);
9883 len = (int)STRLEN(newres);
9884 STRCAT(newres, p + srclen);
9885 vim_free(repl);
9886 vim_free(result);
9887 result = newres;
9888 p = newres + len; /* continue after the match */
9889 }
9890 }
9891
9892 return result;
9893 }
9894 #endif
9895
9896 #ifdef FEAT_SESSION
9897 static int ses_winsizes __ARGS((FILE *fd, int restore_size,
9898 win_T *tab_firstwin));
9899 static int ses_win_rec __ARGS((FILE *fd, frame_T *fr));
9900 static frame_T *ses_skipframe __ARGS((frame_T *fr));
9901 static int ses_do_frame __ARGS((frame_T *fr));
9902 static int ses_do_win __ARGS((win_T *wp));
9903 static int ses_arglist __ARGS((FILE *fd, char *cmd, garray_T *gap, int fullname, unsigned *flagp));
9904 static int ses_put_fname __ARGS((FILE *fd, char_u *name, unsigned *flagp));
9905 static int ses_fname __ARGS((FILE *fd, buf_T *buf, unsigned *flagp));
9906
9907 /*
9908 * Write openfile commands for the current buffers to an .exrc file.
9909 * Return FAIL on error, OK otherwise.
9910 */
9911 static int
9912 makeopens(fd, dirnow)
9913 FILE *fd;
9914 char_u *dirnow; /* Current directory name */
9915 {
9916 buf_T *buf;
9917 int only_save_windows = TRUE;
9918 int nr;
9919 int cnr = 1;
9920 int restore_size = TRUE;
9921 win_T *wp;
9922 char_u *sname;
9923 win_T *edited_win = NULL;
9924 int tabnr;
9925 win_T *tab_firstwin;
9926 frame_T *tab_topframe;
9927 int cur_arg_idx = 0;
9928 int next_arg_idx = 0;
9929
9930 if (ssop_flags & SSOP_BUFFERS)
9931 only_save_windows = FALSE; /* Save ALL buffers */
9932
9933 /*
9934 * Begin by setting the this_session variable, and then other
9935 * sessionable variables.
9936 */
9937 #ifdef FEAT_EVAL
9938 if (put_line(fd, "let v:this_session=expand(\"<sfile>:p\")") == FAIL)
9939 return FAIL;
9940 if (ssop_flags & SSOP_GLOBALS)
9941 if (store_session_globals(fd) == FAIL)
9942 return FAIL;
9943 #endif
9944
9945 /*
9946 * Close all windows but one.
9947 */
9948 if (put_line(fd, "silent only") == FAIL)
9949 return FAIL;
9950
9951 /*
9952 * Now a :cd command to the session directory or the current directory
9953 */
9954 if (ssop_flags & SSOP_SESDIR)
9955 {
9956 if (put_line(fd, "exe \"cd \" . escape(expand(\"<sfile>:p:h\"), ' ')")
9957 == FAIL)
9958 return FAIL;
9959 }
9960 else if (ssop_flags & SSOP_CURDIR)
9961 {
9962 sname = home_replace_save(NULL, globaldir != NULL ? globaldir : dirnow);
9963 if (sname == NULL
9964 || fputs("cd ", fd) < 0
9965 || ses_put_fname(fd, sname, &ssop_flags) == FAIL
9966 || put_eol(fd) == FAIL)
9967 {
9968 vim_free(sname);
9969 return FAIL;
9970 }
9971 vim_free(sname);
9972 }
9973
9974 /*
9975 * If there is an empty, unnamed buffer we will wipe it out later.
9976 * Remember the buffer number.
9977 */
9978 if (put_line(fd, "if expand('%') == '' && !&modified && line('$') <= 1 && getline(1) == ''") == FAIL)
9979 return FAIL;
9980 if (put_line(fd, " let s:wipebuf = bufnr('%')") == FAIL)
9981 return FAIL;
9982 if (put_line(fd, "endif") == FAIL)
9983 return FAIL;
9984
9985 /*
9986 * Now save the current files, current buffer first.
9987 */
9988 if (put_line(fd, "set shortmess=aoO") == FAIL)
9989 return FAIL;
9990
9991 /* Now put the other buffers into the buffer list */
9992 for (buf = firstbuf; buf != NULL; buf = buf->b_next)
9993 {
9994 if (!(only_save_windows && buf->b_nwindows == 0)
9995 && !(buf->b_help && !(ssop_flags & SSOP_HELP))
9996 && buf->b_fname != NULL
9997 && buf->b_p_bl)
9998 {
9999 if (fprintf(fd, "badd +%ld ", buf->b_wininfo == NULL ? 1L
10000 : buf->b_wininfo->wi_fpos.lnum) < 0
10001 || ses_fname(fd, buf, &ssop_flags) == FAIL)
10002 return FAIL;
10003 }
10004 }
10005
10006 /* the global argument list */
10007 if (ses_arglist(fd, "args", &global_alist.al_ga,
10008 !(ssop_flags & SSOP_CURDIR), &ssop_flags) == FAIL)
10009 return FAIL;
10010
10011 if (ssop_flags & SSOP_RESIZE)
10012 {
10013 /* Note: after the restore we still check it worked!*/
10014 if (fprintf(fd, "set lines=%ld columns=%ld" , Rows, Columns) < 0
10015 || put_eol(fd) == FAIL)
10016 return FAIL;
10017 }
10018
10019 #ifdef FEAT_GUI
10020 if (gui.in_use && (ssop_flags & SSOP_WINPOS))
10021 {
10022 int x, y;
10023
10024 if (gui_mch_get_winpos(&x, &y) == OK)
10025 {
10026 /* Note: after the restore we still check it worked!*/
10027 if (fprintf(fd, "winpos %d %d", x, y) < 0 || put_eol(fd) == FAIL)
10028 return FAIL;
10029 }
10030 }
10031 #endif
10032
10033 /*
10034 * May repeat putting Windows for each tab, when "tabpages" is in
10035 * 'sessionoptions'.
10036 * Don't use goto_tabpage(), it may change directory and trigger
10037 * autocommands.
10038 */
10039 tab_firstwin = firstwin; /* first window in tab page "tabnr" */
10040 tab_topframe = topframe;
10041 for (tabnr = 1; ; ++tabnr)
10042 {
10043 int need_tabnew = FALSE;
10044
10045 if ((ssop_flags & SSOP_TABPAGES))
10046 {
10047 tabpage_T *tp = find_tabpage(tabnr);
10048
10049 if (tp == NULL)
10050 break; /* done all tab pages */
10051 if (tp == curtab)
10052 {
10053 tab_firstwin = firstwin;
10054 tab_topframe = topframe;
10055 }
10056 else
10057 {
10058 tab_firstwin = tp->tp_firstwin;
10059 tab_topframe = tp->tp_topframe;
10060 }
10061 if (tabnr > 1)
10062 need_tabnew = TRUE;
10063 }
10064
10065 /*
10066 * Before creating the window layout, try loading one file. If this
10067 * is aborted we don't end up with a number of useless windows.
10068 * This may have side effects! (e.g., compressed or network file).
10069 */
10070 for (wp = tab_firstwin; wp != NULL; wp = wp->w_next)
10071 {
10072 if (ses_do_win(wp)
10073 && wp->w_buffer->b_ffname != NULL
10074 && !wp->w_buffer->b_help
10075 #ifdef FEAT_QUICKFIX
10076 && !bt_nofile(wp->w_buffer)
10077 #endif
10078 )
10079 {
10080 if (fputs(need_tabnew ? "tabedit " : "edit ", fd) < 0
10081 || ses_fname(fd, wp->w_buffer, &ssop_flags) == FAIL)
10082 return FAIL;
10083 need_tabnew = FALSE;
10084 if (!wp->w_arg_idx_invalid)
10085 edited_win = wp;
10086 break;
10087 }
10088 }
10089
10090 /* If no file got edited create an empty tab page. */
10091 if (need_tabnew && put_line(fd, "tabnew") == FAIL)
10092 return FAIL;
10093
10094 /*
10095 * Save current window layout.
10096 */
10097 if (put_line(fd, "set splitbelow splitright") == FAIL)
10098 return FAIL;
10099 if (ses_win_rec(fd, tab_topframe) == FAIL)
10100 return FAIL;
10101 if (!p_sb && put_line(fd, "set nosplitbelow") == FAIL)
10102 return FAIL;
10103 if (!p_spr && put_line(fd, "set nosplitright") == FAIL)
10104 return FAIL;
10105
10106 /*
10107 * Check if window sizes can be restored (no windows omitted).
10108 * Remember the window number of the current window after restoring.
10109 */
10110 nr = 0;
10111 for (wp = tab_firstwin; wp != NULL; wp = W_NEXT(wp))
10112 {
10113 if (ses_do_win(wp))
10114 ++nr;
10115 else
10116 restore_size = FALSE;
10117 if (curwin == wp)
10118 cnr = nr;
10119 }
10120
10121 /* Go to the first window. */
10122 if (put_line(fd, "wincmd t") == FAIL)
10123 return FAIL;
10124
10125 /*
10126 * If more than one window, see if sizes can be restored.
10127 * First set 'winheight' and 'winwidth' to 1 to avoid the windows being
10128 * resized when moving between windows.
10129 * Do this before restoring the view, so that the topline and the
10130 * cursor can be set. This is done again below.
10131 */
10132 if (put_line(fd, "set winheight=1 winwidth=1") == FAIL)
10133 return FAIL;
10134 if (nr > 1 && ses_winsizes(fd, restore_size, tab_firstwin) == FAIL)
10135 return FAIL;
10136
10137 /*
10138 * Restore the view of the window (options, file, cursor, etc.).
10139 */
10140 for (wp = tab_firstwin; wp != NULL; wp = wp->w_next)
10141 {
10142 if (!ses_do_win(wp))
10143 continue;
10144 if (put_view(fd, wp, wp != edited_win, &ssop_flags,
10145 cur_arg_idx) == FAIL)
10146 return FAIL;
10147 if (nr > 1 && put_line(fd, "wincmd w") == FAIL)
10148 return FAIL;
10149 next_arg_idx = wp->w_arg_idx;
10150 }
10151
10152 /* The argument index in the first tab page is zero, need to set it in
10153 * each window. For further tab pages it's the window where we do
10154 * "tabedit". */
10155 cur_arg_idx = next_arg_idx;
10156
10157 /*
10158 * Restore cursor to the current window if it's not the first one.
10159 */
10160 if (cnr > 1 && (fprintf(fd, "%dwincmd w", cnr) < 0
10161 || put_eol(fd) == FAIL))
10162 return FAIL;
10163
10164 /*
10165 * Restore window sizes again after jumping around in windows, because
10166 * the current window has a minimum size while others may not.
10167 */
10168 if (nr > 1 && ses_winsizes(fd, restore_size, tab_firstwin) == FAIL)
10169 return FAIL;
10170
10171 /* Don't continue in another tab page when doing only the current one
10172 * or when at the last tab page. */
10173 if (!(ssop_flags & SSOP_TABPAGES))
10174 break;
10175 }
10176
10177 if (ssop_flags & SSOP_TABPAGES)
10178 {
10179 if (fprintf(fd, "tabnext %d", tabpage_index(curtab)) < 0
10180 || put_eol(fd) == FAIL)
10181 return FAIL;
10182 }
10183
10184 /*
10185 * Wipe out an empty unnamed buffer we started in.
10186 */
10187 if (put_line(fd, "if exists('s:wipebuf')") == FAIL)
10188 return FAIL;
10189 if (put_line(fd, " silent exe 'bwipe ' . s:wipebuf") == FAIL)
10190 return FAIL;
10191 if (put_line(fd, "endif") == FAIL)
10192 return FAIL;
10193 if (put_line(fd, "unlet! s:wipebuf") == FAIL)
10194 return FAIL;
10195
10196 /* Re-apply 'winheight', 'winwidth' and 'shortmess'. */
10197 if (fprintf(fd, "set winheight=%ld winwidth=%ld shortmess=%s",
10198 p_wh, p_wiw, p_shm) < 0 || put_eol(fd) == FAIL)
10199 return FAIL;
10200
10201 /*
10202 * Lastly, execute the x.vim file if it exists.
10203 */
10204 if (put_line(fd, "let s:sx = expand(\"<sfile>:p:r\").\"x.vim\"") == FAIL
10205 || put_line(fd, "if file_readable(s:sx)") == FAIL
10206 || put_line(fd, " exe \"source \" . fnameescape(s:sx)") == FAIL
10207 || put_line(fd, "endif") == FAIL)
10208 return FAIL;
10209
10210 return OK;
10211 }
10212
10213 static int
10214 ses_winsizes(fd, restore_size, tab_firstwin)
10215 FILE *fd;
10216 int restore_size;
10217 win_T *tab_firstwin;
10218 {
10219 int n = 0;
10220 win_T *wp;
10221
10222 if (restore_size && (ssop_flags & SSOP_WINSIZE))
10223 {
10224 for (wp = tab_firstwin; wp != NULL; wp = wp->w_next)
10225 {
10226 if (!ses_do_win(wp))
10227 continue;
10228 ++n;
10229
10230 /* restore height when not full height */
10231 if (wp->w_height + wp->w_status_height < topframe->fr_height
10232 && (fprintf(fd,
10233 "exe '%dresize ' . ((&lines * %ld + %ld) / %ld)",
10234 n, (long)wp->w_height, Rows / 2, Rows) < 0
10235 || put_eol(fd) == FAIL))
10236 return FAIL;
10237
10238 /* restore width when not full width */
10239 if (wp->w_width < Columns && (fprintf(fd,
10240 "exe 'vert %dresize ' . ((&columns * %ld + %ld) / %ld)",
10241 n, (long)wp->w_width, Columns / 2, Columns) < 0
10242 || put_eol(fd) == FAIL))
10243 return FAIL;
10244 }
10245 }
10246 else
10247 {
10248 /* Just equalise window sizes */
10249 if (put_line(fd, "wincmd =") == FAIL)
10250 return FAIL;
10251 }
10252 return OK;
10253 }
10254
10255 /*
10256 * Write commands to "fd" to recursively create windows for frame "fr",
10257 * horizontally and vertically split.
10258 * After the commands the last window in the frame is the current window.
10259 * Returns FAIL when writing the commands to "fd" fails.
10260 */
10261 static int
10262 ses_win_rec(fd, fr)
10263 FILE *fd;
10264 frame_T *fr;
10265 {
10266 frame_T *frc;
10267 int count = 0;
10268
10269 if (fr->fr_layout != FR_LEAF)
10270 {
10271 /* Find first frame that's not skipped and then create a window for
10272 * each following one (first frame is already there). */
10273 frc = ses_skipframe(fr->fr_child);
10274 if (frc != NULL)
10275 while ((frc = ses_skipframe(frc->fr_next)) != NULL)
10276 {
10277 /* Make window as big as possible so that we have lots of room
10278 * to split. */
10279 if (put_line(fd, "wincmd _ | wincmd |") == FAIL
10280 || put_line(fd, fr->fr_layout == FR_COL
10281 ? "split" : "vsplit") == FAIL)
10282 return FAIL;
10283 ++count;
10284 }
10285
10286 /* Go back to the first window. */
10287 if (count > 0 && (fprintf(fd, fr->fr_layout == FR_COL
10288 ? "%dwincmd k" : "%dwincmd h", count) < 0
10289 || put_eol(fd) == FAIL))
10290 return FAIL;
10291
10292 /* Recursively create frames/windows in each window of this column or
10293 * row. */
10294 frc = ses_skipframe(fr->fr_child);
10295 while (frc != NULL)
10296 {
10297 ses_win_rec(fd, frc);
10298 frc = ses_skipframe(frc->fr_next);
10299 /* Go to next window. */
10300 if (frc != NULL && put_line(fd, "wincmd w") == FAIL)
10301 return FAIL;
10302 }
10303 }
10304 return OK;
10305 }
10306
10307 /*
10308 * Skip frames that don't contain windows we want to save in the Session.
10309 * Returns NULL when there none.
10310 */
10311 static frame_T *
10312 ses_skipframe(fr)
10313 frame_T *fr;
10314 {
10315 frame_T *frc;
10316
10317 for (frc = fr; frc != NULL; frc = frc->fr_next)
10318 if (ses_do_frame(frc))
10319 break;
10320 return frc;
10321 }
10322
10323 /*
10324 * Return TRUE if frame "fr" has a window somewhere that we want to save in
10325 * the Session.
10326 */
10327 static int
10328 ses_do_frame(fr)
10329 frame_T *fr;
10330 {
10331 frame_T *frc;
10332
10333 if (fr->fr_layout == FR_LEAF)
10334 return ses_do_win(fr->fr_win);
10335 for (frc = fr->fr_child; frc != NULL; frc = frc->fr_next)
10336 if (ses_do_frame(frc))
10337 return TRUE;
10338 return FALSE;
10339 }
10340
10341 /*
10342 * Return non-zero if window "wp" is to be stored in the Session.
10343 */
10344 static int
10345 ses_do_win(wp)
10346 win_T *wp;
10347 {
10348 if (wp->w_buffer->b_fname == NULL
10349 #ifdef FEAT_QUICKFIX
10350 /* When 'buftype' is "nofile" can't restore the window contents. */
10351 || bt_nofile(wp->w_buffer)
10352 #endif
10353 )
10354 return (ssop_flags & SSOP_BLANK);
10355 if (wp->w_buffer->b_help)
10356 return (ssop_flags & SSOP_HELP);
10357 return TRUE;
10358 }
10359
10360 /*
10361 * Write commands to "fd" to restore the view of a window.
10362 * Caller must make sure 'scrolloff' is zero.
10363 */
10364 static int
10365 put_view(fd, wp, add_edit, flagp, current_arg_idx)
10366 FILE *fd;
10367 win_T *wp;
10368 int add_edit; /* add ":edit" command to view */
10369 unsigned *flagp; /* vop_flags or ssop_flags */
10370 int current_arg_idx; /* current argument index of the window, use
10371 * -1 if unknown */
10372 {
10373 win_T *save_curwin;
10374 int f;
10375 int do_cursor;
10376 int did_next = FALSE;
10377
10378 /* Always restore cursor position for ":mksession". For ":mkview" only
10379 * when 'viewoptions' contains "cursor". */
10380 do_cursor = (flagp == &ssop_flags || *flagp & SSOP_CURSOR);
10381
10382 /*
10383 * Local argument list.
10384 */
10385 if (wp->w_alist == &global_alist)
10386 {
10387 if (put_line(fd, "argglobal") == FAIL)
10388 return FAIL;
10389 }
10390 else
10391 {
10392 if (ses_arglist(fd, "arglocal", &wp->w_alist->al_ga,
10393 flagp == &vop_flags
10394 || !(*flagp & SSOP_CURDIR)
10395 || wp->w_localdir != NULL, flagp) == FAIL)
10396 return FAIL;
10397 }
10398
10399 /* Only when part of a session: restore the argument index. Some
10400 * arguments may have been deleted, check if the index is valid. */
10401 if (wp->w_arg_idx != current_arg_idx && wp->w_arg_idx <= WARGCOUNT(wp)
10402 && flagp == &ssop_flags)
10403 {
10404 if (fprintf(fd, "%ldargu", (long)wp->w_arg_idx + 1) < 0
10405 || put_eol(fd) == FAIL)
10406 return FAIL;
10407 did_next = TRUE;
10408 }
10409
10410 /* Edit the file. Skip this when ":next" already did it. */
10411 if (add_edit && (!did_next || wp->w_arg_idx_invalid))
10412 {
10413 /*
10414 * Load the file.
10415 */
10416 if (wp->w_buffer->b_ffname != NULL
10417 #ifdef FEAT_QUICKFIX
10418 && !bt_nofile(wp->w_buffer)
10419 #endif
10420 )
10421 {
10422 /*
10423 * Editing a file in this buffer: use ":edit file".
10424 * This may have side effects! (e.g., compressed or network file).
10425 */
10426 if (fputs("edit ", fd) < 0
10427 || ses_fname(fd, wp->w_buffer, flagp) == FAIL)
10428 return FAIL;
10429 }
10430 else
10431 {
10432 /* No file in this buffer, just make it empty. */
10433 if (put_line(fd, "enew") == FAIL)
10434 return FAIL;
10435 #ifdef FEAT_QUICKFIX
10436 if (wp->w_buffer->b_ffname != NULL)
10437 {
10438 /* The buffer does have a name, but it's not a file name. */
10439 if (fputs("file ", fd) < 0
10440 || ses_fname(fd, wp->w_buffer, flagp) == FAIL)
10441 return FAIL;
10442 }
10443 #endif
10444 do_cursor = FALSE;
10445 }
10446 }
10447
10448 /*
10449 * Local mappings and abbreviations.
10450 */
10451 if ((*flagp & (SSOP_OPTIONS | SSOP_LOCALOPTIONS))
10452 && makemap(fd, wp->w_buffer) == FAIL)
10453 return FAIL;
10454
10455 /*
10456 * Local options. Need to go to the window temporarily.
10457 * Store only local values when using ":mkview" and when ":mksession" is
10458 * used and 'sessionoptions' doesn't include "options".
10459 * Some folding options are always stored when "folds" is included,
10460 * otherwise the folds would not be restored correctly.
10461 */
10462 save_curwin = curwin;
10463 curwin = wp;
10464 curbuf = curwin->w_buffer;
10465 if (*flagp & (SSOP_OPTIONS | SSOP_LOCALOPTIONS))
10466 f = makeset(fd, OPT_LOCAL,
10467 flagp == &vop_flags || !(*flagp & SSOP_OPTIONS));
10468 #ifdef FEAT_FOLDING
10469 else if (*flagp & SSOP_FOLDS)
10470 f = makefoldset(fd);
10471 #endif
10472 else
10473 f = OK;
10474 curwin = save_curwin;
10475 curbuf = curwin->w_buffer;
10476 if (f == FAIL)
10477 return FAIL;
10478
10479 #ifdef FEAT_FOLDING
10480 /*
10481 * Save Folds when 'buftype' is empty and for help files.
10482 */
10483 if ((*flagp & SSOP_FOLDS)
10484 && wp->w_buffer->b_ffname != NULL
10485 # ifdef FEAT_QUICKFIX
10486 && (*wp->w_buffer->b_p_bt == NUL || wp->w_buffer->b_help)
10487 # endif
10488 )
10489 {
10490 if (put_folds(fd, wp) == FAIL)
10491 return FAIL;
10492 }
10493 #endif
10494
10495 /*
10496 * Set the cursor after creating folds, since that moves the cursor.
10497 */
10498 if (do_cursor)
10499 {
10500
10501 /* Restore the cursor line in the file and relatively in the
10502 * window. Don't use "G", it changes the jumplist. */
10503 if (fprintf(fd, "let s:l = %ld - ((%ld * winheight(0) + %ld) / %ld)",
10504 (long)wp->w_cursor.lnum,
10505 (long)(wp->w_cursor.lnum - wp->w_topline),
10506 (long)wp->w_height / 2, (long)wp->w_height) < 0
10507 || put_eol(fd) == FAIL
10508 || put_line(fd, "if s:l < 1 | let s:l = 1 | endif") == FAIL
10509 || put_line(fd, "exe s:l") == FAIL
10510 || put_line(fd, "normal! zt") == FAIL
10511 || fprintf(fd, "%ld", (long)wp->w_cursor.lnum) < 0
10512 || put_eol(fd) == FAIL)
10513 return FAIL;
10514 /* Restore the cursor column and left offset when not wrapping. */
10515 if (wp->w_cursor.col == 0)
10516 {
10517 if (put_line(fd, "normal! 0") == FAIL)
10518 return FAIL;
10519 }
10520 else
10521 {
10522 if (!wp->w_p_wrap && wp->w_leftcol > 0 && wp->w_width > 0)
10523 {
10524 if (fprintf(fd,
10525 "let s:c = %ld - ((%ld * winwidth(0) + %ld) / %ld)",
10526 (long)wp->w_cursor.col,
10527 (long)(wp->w_cursor.col - wp->w_leftcol),
10528 (long)wp->w_width / 2, (long)wp->w_width) < 0
10529 || put_eol(fd) == FAIL
10530 || put_line(fd, "if s:c > 0") == FAIL
10531 || fprintf(fd,
10532 " exe 'normal! 0' . s:c . 'lzs' . (%ld - s:c) . 'l'",
10533 (long)wp->w_cursor.col) < 0
10534 || put_eol(fd) == FAIL
10535 || put_line(fd, "else") == FAIL
10536 || fprintf(fd, " normal! 0%dl", wp->w_cursor.col) < 0
10537 || put_eol(fd) == FAIL
10538 || put_line(fd, "endif") == FAIL)
10539 return FAIL;
10540 }
10541 else
10542 {
10543 if (fprintf(fd, "normal! 0%dl", wp->w_cursor.col) < 0
10544 || put_eol(fd) == FAIL)
10545 return FAIL;
10546 }
10547 }
10548 }
10549
10550 /*
10551 * Local directory.
10552 */
10553 if (wp->w_localdir != NULL)
10554 {
10555 if (fputs("lcd ", fd) < 0
10556 || ses_put_fname(fd, wp->w_localdir, flagp) == FAIL
10557 || put_eol(fd) == FAIL)
10558 return FAIL;
10559 did_lcd = TRUE;
10560 }
10561
10562 return OK;
10563 }
10564
10565 /*
10566 * Write an argument list to the session file.
10567 * Returns FAIL if writing fails.
10568 */
10569 static int
10570 ses_arglist(fd, cmd, gap, fullname, flagp)
10571 FILE *fd;
10572 char *cmd;
10573 garray_T *gap;
10574 int fullname; /* TRUE: use full path name */
10575 unsigned *flagp;
10576 {
10577 int i;
10578 char_u buf[MAXPATHL];
10579 char_u *s;
10580
10581 if (gap->ga_len == 0)
10582 return put_line(fd, "silent! argdel *");
10583 if (fputs(cmd, fd) < 0)
10584 return FAIL;
10585 for (i = 0; i < gap->ga_len; ++i)
10586 {
10587 /* NULL file names are skipped (only happens when out of memory). */
10588 s = alist_name(&((aentry_T *)gap->ga_data)[i]);
10589 if (s != NULL)
10590 {
10591 if (fullname)
10592 {
10593 (void)vim_FullName(s, buf, MAXPATHL, FALSE);
10594 s = buf;
10595 }
10596 if (fputs(" ", fd) < 0 || ses_put_fname(fd, s, flagp) == FAIL)
10597 return FAIL;
10598 }
10599 }
10600 return put_eol(fd);
10601 }
10602
10603 /*
10604 * Write a buffer name to the session file.
10605 * Also ends the line.
10606 * Returns FAIL if writing fails.
10607 */
10608 static int
10609 ses_fname(fd, buf, flagp)
10610 FILE *fd;
10611 buf_T *buf;
10612 unsigned *flagp;
10613 {
10614 char_u *name;
10615
10616 /* Use the short file name if the current directory is known at the time
10617 * the session file will be sourced.
10618 * Don't do this for ":mkview", we don't know the current directory.
10619 * Don't do this after ":lcd", we don't keep track of what the current
10620 * directory is. */
10621 if (buf->b_sfname != NULL
10622 && flagp == &ssop_flags
10623 && (ssop_flags & (SSOP_CURDIR | SSOP_SESDIR))
10624 #ifdef FEAT_AUTOCHDIR
10625 && !p_acd
10626 #endif
10627 && !did_lcd)
10628 name = buf->b_sfname;
10629 else
10630 name = buf->b_ffname;
10631 if (ses_put_fname(fd, name, flagp) == FAIL || put_eol(fd) == FAIL)
10632 return FAIL;
10633 return OK;
10634 }
10635
10636 /*
10637 * Write a file name to the session file.
10638 * Takes care of the "slash" option in 'sessionoptions' and escapes special
10639 * characters.
10640 * Returns FAIL if writing fails.
10641 */
10642 static int
10643 ses_put_fname(fd, name, flagp)
10644 FILE *fd;
10645 char_u *name;
10646 unsigned *flagp;
10647 {
10648 char_u *sname;
10649 int retval = OK;
10650 int c;
10651
10652 sname = home_replace_save(NULL, name);
10653 if (sname != NULL)
10654 name = sname;
10655 while (*name != NUL)
10656 {
10657 #ifdef FEAT_MBYTE
10658 {
10659 int l;
10660
10661 if (has_mbyte && (l = (*mb_ptr2len)(name)) > 1)
10662 {
10663 /* copy a multibyte char */
10664 while (--l >= 0)
10665 {
10666 if (putc(*name, fd) != *name)
10667 retval = FAIL;
10668 ++name;
10669 }
10670 continue;
10671 }
10672 }
10673 #endif
10674 c = *name++;
10675 if (c == '\\' && (*flagp & SSOP_SLASH))
10676 /* change a backslash to a forward slash */
10677 c = '/';
10678 else if ((vim_strchr(escape_chars, c) != NULL
10679 #ifdef BACKSLASH_IN_FILENAME
10680 && c != '\\'
10681 #endif
10682 ) || c == '#' || c == '%')
10683 {
10684 /* escape a special character with a backslash */
10685 if (putc('\\', fd) != '\\')
10686 retval = FAIL;
10687 }
10688 if (putc(c, fd) != c)
10689 retval = FAIL;
10690 }
10691 vim_free(sname);
10692 return retval;
10693 }
10694
10695 /*
10696 * ":loadview [nr]"
10697 */
10698 static void
10699 ex_loadview(eap)
10700 exarg_T *eap;
10701 {
10702 char_u *fname;
10703
10704 fname = get_view_file(*eap->arg);
10705 if (fname != NULL)
10706 {
10707 do_source(fname, FALSE, DOSO_NONE);
10708 vim_free(fname);
10709 }
10710 }
10711
10712 /*
10713 * Get the name of the view file for the current buffer.
10714 */
10715 static char_u *
10716 get_view_file(c)
10717 int c;
10718 {
10719 int len = 0;
10720 char_u *p, *s;
10721 char_u *retval;
10722 char_u *sname;
10723
10724 if (curbuf->b_ffname == NULL)
10725 {
10726 EMSG(_(e_noname));
10727 return NULL;
10728 }
10729 sname = home_replace_save(NULL, curbuf->b_ffname);
10730 if (sname == NULL)
10731 return NULL;
10732
10733 /*
10734 * We want a file name without separators, because we're not going to make
10735 * a directory.
10736 * "normal" path separator -> "=+"
10737 * "=" -> "=="
10738 * ":" path separator -> "=-"
10739 */
10740 for (p = sname; *p; ++p)
10741 if (*p == '=' || vim_ispathsep(*p))
10742 ++len;
10743 retval = alloc((unsigned)(STRLEN(sname) + len + STRLEN(p_vdir) + 9));
10744 if (retval != NULL)
10745 {
10746 STRCPY(retval, p_vdir);
10747 add_pathsep(retval);
10748 s = retval + STRLEN(retval);
10749 for (p = sname; *p; ++p)
10750 {
10751 if (*p == '=')
10752 {
10753 *s++ = '=';
10754 *s++ = '=';
10755 }
10756 else if (vim_ispathsep(*p))
10757 {
10758 *s++ = '=';
10759 #if defined(BACKSLASH_IN_FILENAME) || defined(AMIGA) || defined(RISCOS) \
10760 || defined(VMS)
10761 if (*p == ':')
10762 *s++ = '-';
10763 else
10764 #endif
10765 *s++ = '+';
10766 }
10767 else
10768 *s++ = *p;
10769 }
10770 *s++ = '=';
10771 *s++ = c;
10772 STRCPY(s, ".vim");
10773 }
10774
10775 vim_free(sname);
10776 return retval;
10777 }
10778
10779 #endif /* FEAT_SESSION */
10780
10781 /*
10782 * Write end-of-line character(s) for ":mkexrc", ":mkvimrc" and ":mksession".
10783 * Return FAIL for a write error.
10784 */
10785 int
10786 put_eol(fd)
10787 FILE *fd;
10788 {
10789 if (
10790 #ifdef USE_CRNL
10791 (
10792 # ifdef MKSESSION_NL
10793 !mksession_nl &&
10794 # endif
10795 (putc('\r', fd) < 0)) ||
10796 #endif
10797 (putc('\n', fd) < 0))
10798 return FAIL;
10799 return OK;
10800 }
10801
10802 /*
10803 * Write a line to "fd".
10804 * Return FAIL for a write error.
10805 */
10806 int
10807 put_line(fd, s)
10808 FILE *fd;
10809 char *s;
10810 {
10811 if (fputs(s, fd) < 0 || put_eol(fd) == FAIL)
10812 return FAIL;
10813 return OK;
10814 }
10815
10816 #ifdef FEAT_VIMINFO
10817 /*
10818 * ":rviminfo" and ":wviminfo".
10819 */
10820 static void
10821 ex_viminfo(eap)
10822 exarg_T *eap;
10823 {
10824 char_u *save_viminfo;
10825
10826 save_viminfo = p_viminfo;
10827 if (*p_viminfo == NUL)
10828 p_viminfo = (char_u *)"'100";
10829 if (eap->cmdidx == CMD_rviminfo)
10830 {
10831 if (read_viminfo(eap->arg, VIF_WANT_INFO | VIF_WANT_MARKS
10832 | (eap->forceit ? VIF_FORCEIT : 0)) == FAIL)
10833 EMSG(_("E195: Cannot open viminfo file for reading"));
10834 }
10835 else
10836 write_viminfo(eap->arg, eap->forceit);
10837 p_viminfo = save_viminfo;
10838 }
10839 #endif
10840
10841 #if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG) || defined(PROTO)
10842 /*
10843 * Make a dialog message in "buff[IOSIZE]".
10844 * "format" must contain "%s".
10845 */
10846 void
10847 dialog_msg(buff, format, fname)
10848 char_u *buff;
10849 char *format;
10850 char_u *fname;
10851 {
10852 if (fname == NULL)
10853 fname = (char_u *)_("Untitled");
10854 vim_snprintf((char *)buff, IOSIZE, format, fname);
10855 }
10856 #endif
10857
10858 /*
10859 * ":behave {mswin,xterm}"
10860 */
10861 static void
10862 ex_behave(eap)
10863 exarg_T *eap;
10864 {
10865 if (STRCMP(eap->arg, "mswin") == 0)
10866 {
10867 set_option_value((char_u *)"selection", 0L, (char_u *)"exclusive", 0);
10868 set_option_value((char_u *)"selectmode", 0L, (char_u *)"mouse,key", 0);
10869 set_option_value((char_u *)"mousemodel", 0L, (char_u *)"popup", 0);
10870 set_option_value((char_u *)"keymodel", 0L,
10871 (char_u *)"startsel,stopsel", 0);
10872 }
10873 else if (STRCMP(eap->arg, "xterm") == 0)
10874 {
10875 set_option_value((char_u *)"selection", 0L, (char_u *)"inclusive", 0);
10876 set_option_value((char_u *)"selectmode", 0L, (char_u *)"", 0);
10877 set_option_value((char_u *)"mousemodel", 0L, (char_u *)"extend", 0);
10878 set_option_value((char_u *)"keymodel", 0L, (char_u *)"", 0);
10879 }
10880 else
10881 EMSG2(_(e_invarg2), eap->arg);
10882 }
10883
10884 #if defined(FEAT_CMDL_COMPL) || defined(PROTO)
10885 /*
10886 * Function given to ExpandGeneric() to obtain the possible arguments of the
10887 * ":behave {mswin,xterm}" command.
10888 */
10889 char_u *
10890 get_behave_arg(xp, idx)
10891 expand_T *xp UNUSED;
10892 int idx;
10893 {
10894 if (idx == 0)
10895 return (char_u *)"mswin";
10896 if (idx == 1)
10897 return (char_u *)"xterm";
10898 return NULL;
10899 }
10900 #endif
10901
10902 #ifdef FEAT_AUTOCMD
10903 static int filetype_detect = FALSE;
10904 static int filetype_plugin = FALSE;
10905 static int filetype_indent = FALSE;
10906
10907 /*
10908 * ":filetype [plugin] [indent] {on,off,detect}"
10909 * on: Load the filetype.vim file to install autocommands for file types.
10910 * off: Load the ftoff.vim file to remove all autocommands for file types.
10911 * plugin on: load filetype.vim and ftplugin.vim
10912 * plugin off: load ftplugof.vim
10913 * indent on: load filetype.vim and indent.vim
10914 * indent off: load indoff.vim
10915 */
10916 static void
10917 ex_filetype(eap)
10918 exarg_T *eap;
10919 {
10920 char_u *arg = eap->arg;
10921 int plugin = FALSE;
10922 int indent = FALSE;
10923
10924 if (*eap->arg == NUL)
10925 {
10926 /* Print current status. */
10927 smsg((char_u *)"filetype detection:%s plugin:%s indent:%s",
10928 filetype_detect ? "ON" : "OFF",
10929 filetype_plugin ? (filetype_detect ? "ON" : "(on)") : "OFF",
10930 filetype_indent ? (filetype_detect ? "ON" : "(on)") : "OFF");
10931 return;
10932 }
10933
10934 /* Accept "plugin" and "indent" in any order. */
10935 for (;;)
10936 {
10937 if (STRNCMP(arg, "plugin", 6) == 0)
10938 {
10939 plugin = TRUE;
10940 arg = skipwhite(arg + 6);
10941 continue;
10942 }
10943 if (STRNCMP(arg, "indent", 6) == 0)
10944 {
10945 indent = TRUE;
10946 arg = skipwhite(arg + 6);
10947 continue;
10948 }
10949 break;
10950 }
10951 if (STRCMP(arg, "on") == 0 || STRCMP(arg, "detect") == 0)
10952 {
10953 if (*arg == 'o' || !filetype_detect)
10954 {
10955 source_runtime((char_u *)FILETYPE_FILE, TRUE);
10956 filetype_detect = TRUE;
10957 if (plugin)
10958 {
10959 source_runtime((char_u *)FTPLUGIN_FILE, TRUE);
10960 filetype_plugin = TRUE;
10961 }
10962 if (indent)
10963 {
10964 source_runtime((char_u *)INDENT_FILE, TRUE);
10965 filetype_indent = TRUE;
10966 }
10967 }
10968 if (*arg == 'd')
10969 {
10970 (void)do_doautocmd((char_u *)"filetypedetect BufRead", TRUE);
10971 do_modelines(0);
10972 }
10973 }
10974 else if (STRCMP(arg, "off") == 0)
10975 {
10976 if (plugin || indent)
10977 {
10978 if (plugin)
10979 {
10980 source_runtime((char_u *)FTPLUGOF_FILE, TRUE);
10981 filetype_plugin = FALSE;
10982 }
10983 if (indent)
10984 {
10985 source_runtime((char_u *)INDOFF_FILE, TRUE);
10986 filetype_indent = FALSE;
10987 }
10988 }
10989 else
10990 {
10991 source_runtime((char_u *)FTOFF_FILE, TRUE);
10992 filetype_detect = FALSE;
10993 }
10994 }
10995 else
10996 EMSG2(_(e_invarg2), arg);
10997 }
10998
10999 /*
11000 * ":setfiletype {name}"
11001 */
11002 static void
11003 ex_setfiletype(eap)
11004 exarg_T *eap;
11005 {
11006 if (!did_filetype)
11007 set_option_value((char_u *)"filetype", 0L, eap->arg, OPT_LOCAL);
11008 }
11009 #endif
11010
11011 static void
11012 ex_digraphs(eap)
11013 exarg_T *eap UNUSED;
11014 {
11015 #ifdef FEAT_DIGRAPHS
11016 if (*eap->arg != NUL)
11017 putdigraph(eap->arg);
11018 else
11019 listdigraphs();
11020 #else
11021 EMSG(_("E196: No digraphs in this version"));
11022 #endif
11023 }
11024
11025 static void
11026 ex_set(eap)
11027 exarg_T *eap;
11028 {
11029 int flags = 0;
11030
11031 if (eap->cmdidx == CMD_setlocal)
11032 flags = OPT_LOCAL;
11033 else if (eap->cmdidx == CMD_setglobal)
11034 flags = OPT_GLOBAL;
11035 #if defined(FEAT_EVAL) && defined(FEAT_AUTOCMD) && defined(FEAT_BROWSE)
11036 if (cmdmod.browse && flags == 0)
11037 ex_options(eap);
11038 else
11039 #endif
11040 (void)do_set(eap->arg, flags);
11041 }
11042
11043 #ifdef FEAT_SEARCH_EXTRA
11044 /*
11045 * ":nohlsearch"
11046 */
11047 static void
11048 ex_nohlsearch(eap)
11049 exarg_T *eap UNUSED;
11050 {
11051 no_hlsearch = TRUE;
11052 redraw_all_later(SOME_VALID);
11053 }
11054
11055 /*
11056 * ":[N]match {group} {pattern}"
11057 * Sets nextcmd to the start of the next command, if any. Also called when
11058 * skipping commands to find the next command.
11059 */
11060 static void
11061 ex_match(eap)
11062 exarg_T *eap;
11063 {
11064 char_u *p;
11065 char_u *g = NULL;
11066 char_u *end;
11067 int c;
11068 int id;
11069
11070 if (eap->line2 <= 3)
11071 id = eap->line2;
11072 else
11073 {
11074 EMSG(e_invcmd);
11075 return;
11076 }
11077
11078 /* First clear any old pattern. */
11079 if (!eap->skip)
11080 match_delete(curwin, id, FALSE);
11081
11082 if (ends_excmd(*eap->arg))
11083 end = eap->arg;
11084 else if ((STRNICMP(eap->arg, "none", 4) == 0
11085 && (vim_iswhite(eap->arg[4]) || ends_excmd(eap->arg[4]))))
11086 end = eap->arg + 4;
11087 else
11088 {
11089 p = skiptowhite(eap->arg);
11090 if (!eap->skip)
11091 g = vim_strnsave(eap->arg, (int)(p - eap->arg));
11092 p = skipwhite(p);
11093 if (*p == NUL)
11094 {
11095 /* There must be two arguments. */
11096 EMSG2(_(e_invarg2), eap->arg);
11097 return;
11098 }
11099 end = skip_regexp(p + 1, *p, TRUE, NULL);
11100 if (!eap->skip)
11101 {
11102 if (*end != NUL && !ends_excmd(*skipwhite(end + 1)))
11103 {
11104 eap->errmsg = e_trailing;
11105 return;
11106 }
11107 if (*end != *p)
11108 {
11109 EMSG2(_(e_invarg2), p);
11110 return;
11111 }
11112
11113 c = *end;
11114 *end = NUL;
11115 match_add(curwin, g, p + 1, 10, id);
11116 vim_free(g);
11117 *end = c;
11118 }
11119 }
11120 eap->nextcmd = find_nextcmd(end);
11121 }
11122 #endif
11123
11124 #ifdef FEAT_CRYPT
11125 /*
11126 * ":X": Get crypt key
11127 */
11128 static void
11129 ex_X(eap)
11130 exarg_T *eap UNUSED;
11131 {
11132 (void)get_crypt_key(TRUE, TRUE);
11133 }
11134 #endif
11135
11136 #ifdef FEAT_FOLDING
11137 static void
11138 ex_fold(eap)
11139 exarg_T *eap;
11140 {
11141 if (foldManualAllowed(TRUE))
11142 foldCreate(eap->line1, eap->line2);
11143 }
11144
11145 static void
11146 ex_foldopen(eap)
11147 exarg_T *eap;
11148 {
11149 opFoldRange(eap->line1, eap->line2, eap->cmdidx == CMD_foldopen,
11150 eap->forceit, FALSE);
11151 }
11152
11153 static void
11154 ex_folddo(eap)
11155 exarg_T *eap;
11156 {
11157 linenr_T lnum;
11158
11159 /* First set the marks for all lines closed/open. */
11160 for (lnum = eap->line1; lnum <= eap->line2; ++lnum)
11161 if (hasFolding(lnum, NULL, NULL) == (eap->cmdidx == CMD_folddoclosed))
11162 ml_setmarked(lnum);
11163
11164 /* Execute the command on the marked lines. */
11165 global_exe(eap->arg);
11166 ml_clearmarked(); /* clear rest of the marks */
11167 }
11168 #endif
Vim with various extensions