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Merge branch 'vim' into feat/lua
[vim_extended.git] / src / ex_docmd.c
blobd3c2e18ca42abe0e785d846cfd5845c2e1055824
1 /* vi:set ts=8 sts=4 sw=4:
2 *
3 * VIM - Vi IMproved by Bram Moolenaar
4 *
5 * Do ":help uganda" in Vim to read copying and usage conditions.
6 * Do ":help credits" in Vim to see a list of people who contributed.
7 * See README.txt for an overview of the Vim source code.
8 */
9
10 /*
11 * ex_docmd.c: functions for executing an Ex command line.
12 */
13
14 #include "vim.h"
15
16 static int quitmore = 0;
17 static int ex_pressedreturn = FALSE;
18 #ifndef FEAT_PRINTER
19 # define ex_hardcopy ex_ni
20 #endif
21
22 #ifdef FEAT_USR_CMDS
23 typedef struct ucmd
24 {
25 char_u *uc_name; /* The command name */
26 long_u uc_argt; /* The argument type */
27 char_u *uc_rep; /* The command's replacement string */
28 long uc_def; /* The default value for a range/count */
29 scid_T uc_scriptID; /* SID where the command was defined */
30 int uc_compl; /* completion type */
31 # if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL)
32 char_u *uc_compl_arg; /* completion argument if any */
33 # endif
34 } ucmd_T;
35
36 #define UC_BUFFER 1 /* -buffer: local to current buffer */
37
38 static garray_T ucmds = {0, 0, sizeof(ucmd_T), 4, NULL};
39
40 #define USER_CMD(i) (&((ucmd_T *)(ucmds.ga_data))[i])
41 #define USER_CMD_GA(gap, i) (&((ucmd_T *)((gap)->ga_data))[i])
42
43 static void do_ucmd __ARGS((exarg_T *eap));
44 static void ex_command __ARGS((exarg_T *eap));
45 static void ex_delcommand __ARGS((exarg_T *eap));
46 # ifdef FEAT_CMDL_COMPL
47 static char_u *get_user_command_name __ARGS((int idx));
48 # endif
49
50 #else
51 # define ex_command ex_ni
52 # define ex_comclear ex_ni
53 # define ex_delcommand ex_ni
54 #endif
55
56 #ifdef FEAT_EVAL
57 static char_u *do_one_cmd __ARGS((char_u **, int, struct condstack *, char_u *(*fgetline)(int, void *, int), void *cookie));
58 #else
59 static char_u *do_one_cmd __ARGS((char_u **, int, char_u *(*fgetline)(int, void *, int), void *cookie));
60 static int if_level = 0; /* depth in :if */
61 #endif
62 static char_u *find_command __ARGS((exarg_T *eap, int *full));
63
64 static void ex_abbreviate __ARGS((exarg_T *eap));
65 static void ex_map __ARGS((exarg_T *eap));
66 static void ex_unmap __ARGS((exarg_T *eap));
67 static void ex_mapclear __ARGS((exarg_T *eap));
68 static void ex_abclear __ARGS((exarg_T *eap));
69 #ifndef FEAT_MENU
70 # define ex_emenu ex_ni
71 # define ex_menu ex_ni
72 # define ex_menutranslate ex_ni
73 #endif
74 #ifdef FEAT_AUTOCMD
75 static void ex_autocmd __ARGS((exarg_T *eap));
76 static void ex_doautocmd __ARGS((exarg_T *eap));
77 #else
78 # define ex_autocmd ex_ni
79 # define ex_doautocmd ex_ni
80 # define ex_doautoall ex_ni
81 #endif
82 #ifdef FEAT_LISTCMDS
83 static void ex_bunload __ARGS((exarg_T *eap));
84 static void ex_buffer __ARGS((exarg_T *eap));
85 static void ex_bmodified __ARGS((exarg_T *eap));
86 static void ex_bnext __ARGS((exarg_T *eap));
87 static void ex_bprevious __ARGS((exarg_T *eap));
88 static void ex_brewind __ARGS((exarg_T *eap));
89 static void ex_blast __ARGS((exarg_T *eap));
90 #else
91 # define ex_bunload ex_ni
92 # define ex_buffer ex_ni
93 # define ex_bmodified ex_ni
94 # define ex_bnext ex_ni
95 # define ex_bprevious ex_ni
96 # define ex_brewind ex_ni
97 # define ex_blast ex_ni
98 # define buflist_list ex_ni
99 # define ex_checktime ex_ni
100 #endif
101 #if !defined(FEAT_LISTCMDS) || !defined(FEAT_WINDOWS)
102 # define ex_buffer_all ex_ni
103 #endif
104 static char_u *getargcmd __ARGS((char_u **));
105 static char_u *skip_cmd_arg __ARGS((char_u *p, int rembs));
106 static int getargopt __ARGS((exarg_T *eap));
107 #ifndef FEAT_QUICKFIX
108 # define ex_make ex_ni
109 # define ex_cbuffer ex_ni
110 # define ex_cc ex_ni
111 # define ex_cnext ex_ni
112 # define ex_cfile ex_ni
113 # define qf_list ex_ni
114 # define qf_age ex_ni
115 # define ex_helpgrep ex_ni
116 # define ex_vimgrep ex_ni
117 #endif
118 #if !defined(FEAT_QUICKFIX) || !defined(FEAT_WINDOWS)
119 # define ex_cclose ex_ni
120 # define ex_copen ex_ni
121 # define ex_cwindow ex_ni
122 #endif
123 #if !defined(FEAT_QUICKFIX) || !defined(FEAT_EVAL)
124 # define ex_cexpr ex_ni
125 #endif
126
127 static int check_more __ARGS((int, int));
128 static linenr_T get_address __ARGS((char_u **, int skip, int to_other_file));
129 static void get_flags __ARGS((exarg_T *eap));
130 #if !defined(FEAT_PERL) || !defined(FEAT_PYTHON) || !defined(FEAT_TCL) \
131 || !defined(FEAT_RUBY) || !defined(FEAT_MZSCHEME)
132 # define HAVE_EX_SCRIPT_NI
133 static void ex_script_ni __ARGS((exarg_T *eap));
134 #endif
135 static char_u *invalid_range __ARGS((exarg_T *eap));
136 static void correct_range __ARGS((exarg_T *eap));
137 #ifdef FEAT_QUICKFIX
138 static char_u *replace_makeprg __ARGS((exarg_T *eap, char_u *p, char_u **cmdlinep));
139 #endif
140 static char_u *repl_cmdline __ARGS((exarg_T *eap, char_u *src, int srclen, char_u *repl, char_u **cmdlinep));
141 static void ex_highlight __ARGS((exarg_T *eap));
142 static void ex_colorscheme __ARGS((exarg_T *eap));
143 static void ex_quit __ARGS((exarg_T *eap));
144 static void ex_cquit __ARGS((exarg_T *eap));
145 static void ex_quit_all __ARGS((exarg_T *eap));
146 #ifdef FEAT_WINDOWS
147 static void ex_close __ARGS((exarg_T *eap));
148 static void ex_win_close __ARGS((int forceit, win_T *win, tabpage_T *tp));
149 static void ex_only __ARGS((exarg_T *eap));
150 static void ex_resize __ARGS((exarg_T *eap));
151 static void ex_stag __ARGS((exarg_T *eap));
152 static void ex_tabclose __ARGS((exarg_T *eap));
153 static void ex_tabonly __ARGS((exarg_T *eap));
154 static void ex_tabnext __ARGS((exarg_T *eap));
155 static void ex_tabmove __ARGS((exarg_T *eap));
156 static void ex_tabs __ARGS((exarg_T *eap));
157 #else
158 # define ex_close ex_ni
159 # define ex_only ex_ni
160 # define ex_all ex_ni
161 # define ex_resize ex_ni
162 # define ex_splitview ex_ni
163 # define ex_stag ex_ni
164 # define ex_tabnext ex_ni
165 # define ex_tabmove ex_ni
166 # define ex_tabs ex_ni
167 # define ex_tabclose ex_ni
168 # define ex_tabonly ex_ni
169 #endif
170 #if defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX)
171 static void ex_pclose __ARGS((exarg_T *eap));
172 static void ex_ptag __ARGS((exarg_T *eap));
173 static void ex_pedit __ARGS((exarg_T *eap));
174 #else
175 # define ex_pclose ex_ni
176 # define ex_ptag ex_ni
177 # define ex_pedit ex_ni
178 #endif
179 static void ex_hide __ARGS((exarg_T *eap));
180 static void ex_stop __ARGS((exarg_T *eap));
181 static void ex_exit __ARGS((exarg_T *eap));
182 static void ex_print __ARGS((exarg_T *eap));
183 #ifdef FEAT_BYTEOFF
184 static void ex_goto __ARGS((exarg_T *eap));
185 #else
186 # define ex_goto ex_ni
187 #endif
188 static void ex_shell __ARGS((exarg_T *eap));
189 static void ex_preserve __ARGS((exarg_T *eap));
190 static void ex_recover __ARGS((exarg_T *eap));
191 #ifndef FEAT_LISTCMDS
192 # define ex_argedit ex_ni
193 # define ex_argadd ex_ni
194 # define ex_argdelete ex_ni
195 # define ex_listdo ex_ni
196 #endif
197 static void ex_mode __ARGS((exarg_T *eap));
198 static void ex_wrongmodifier __ARGS((exarg_T *eap));
199 static void ex_find __ARGS((exarg_T *eap));
200 static void ex_open __ARGS((exarg_T *eap));
201 static void ex_edit __ARGS((exarg_T *eap));
202 #if !defined(FEAT_GUI) && !defined(FEAT_CLIENTSERVER)
203 # define ex_drop ex_ni
204 #endif
205 #ifndef FEAT_GUI
206 # define ex_gui ex_nogui
207 static void ex_nogui __ARGS((exarg_T *eap));
208 #endif
209 #if defined(FEAT_GUI_W32) && defined(FEAT_MENU) && defined(FEAT_TEAROFF)
210 static void ex_tearoff __ARGS((exarg_T *eap));
211 #else
212 # define ex_tearoff ex_ni
213 #endif
214 #if (defined(FEAT_GUI_MSWIN) || defined(FEAT_GUI_GTK)) && defined(FEAT_MENU)
215 static void ex_popup __ARGS((exarg_T *eap));
216 #else
217 # define ex_popup ex_ni
218 #endif
219 #ifndef FEAT_GUI_MSWIN
220 # define ex_simalt ex_ni
221 #endif
222 #if !defined(FEAT_GUI_MSWIN) && !defined(FEAT_GUI_GTK) && !defined(FEAT_GUI_MOTIF)
223 # define gui_mch_find_dialog ex_ni
224 # define gui_mch_replace_dialog ex_ni
225 #endif
226 #if !defined(FEAT_GUI_GTK)
227 # define ex_helpfind ex_ni
228 #endif
229 #ifndef FEAT_CSCOPE
230 # define do_cscope ex_ni
231 # define do_scscope ex_ni
232 # define do_cstag ex_ni
233 #endif
234 #ifndef FEAT_SYN_HL
235 # define ex_syntax ex_ni
236 #endif
237 #ifndef FEAT_SPELL
238 # define ex_spell ex_ni
239 # define ex_mkspell ex_ni
240 # define ex_spelldump ex_ni
241 # define ex_spellinfo ex_ni
242 # define ex_spellrepall ex_ni
243 #endif
244 #ifndef FEAT_LUA
245 # define ex_lua ex_script_ni
246 # define ex_luado ex_ni
247 # define ex_luafile ex_ni
248 #endif
249 #ifndef FEAT_MZSCHEME
250 # define ex_mzscheme ex_script_ni
251 # define ex_mzfile ex_ni
252 #endif
253 #ifndef FEAT_PERL
254 # define ex_perl ex_script_ni
255 # define ex_perldo ex_ni
256 #endif
257 #ifndef FEAT_PYTHON
258 # define ex_python ex_script_ni
259 # define ex_pyfile ex_ni
260 #endif
261 #ifndef FEAT_TCL
262 # define ex_tcl ex_script_ni
263 # define ex_tcldo ex_ni
264 # define ex_tclfile ex_ni
265 #endif
266 #ifndef FEAT_RUBY
267 # define ex_ruby ex_script_ni
268 # define ex_rubydo ex_ni
269 # define ex_rubyfile ex_ni
270 #endif
271 #ifndef FEAT_SNIFF
272 # define ex_sniff ex_ni
273 #endif
274 #ifndef FEAT_KEYMAP
275 # define ex_loadkeymap ex_ni
276 #endif
277 static void ex_swapname __ARGS((exarg_T *eap));
278 static void ex_syncbind __ARGS((exarg_T *eap));
279 static void ex_read __ARGS((exarg_T *eap));
280 static void ex_pwd __ARGS((exarg_T *eap));
281 static void ex_equal __ARGS((exarg_T *eap));
282 static void ex_sleep __ARGS((exarg_T *eap));
283 static void do_exmap __ARGS((exarg_T *eap, int isabbrev));
284 static void ex_winsize __ARGS((exarg_T *eap));
285 #ifdef FEAT_WINDOWS
286 static void ex_wincmd __ARGS((exarg_T *eap));
287 #else
288 # define ex_wincmd ex_ni
289 #endif
290 #if defined(FEAT_GUI) || defined(UNIX) || defined(VMS) || defined(MSWIN)
291 static void ex_winpos __ARGS((exarg_T *eap));
292 #else
293 # define ex_winpos ex_ni
294 #endif
295 static void ex_operators __ARGS((exarg_T *eap));
296 static void ex_put __ARGS((exarg_T *eap));
297 static void ex_copymove __ARGS((exarg_T *eap));
298 static void ex_may_print __ARGS((exarg_T *eap));
299 static void ex_submagic __ARGS((exarg_T *eap));
300 static void ex_join __ARGS((exarg_T *eap));
301 static void ex_at __ARGS((exarg_T *eap));
302 static void ex_bang __ARGS((exarg_T *eap));
303 static void ex_undo __ARGS((exarg_T *eap));
304 static void ex_redo __ARGS((exarg_T *eap));
305 static void ex_later __ARGS((exarg_T *eap));
306 static void ex_redir __ARGS((exarg_T *eap));
307 static void ex_redraw __ARGS((exarg_T *eap));
308 static void ex_redrawstatus __ARGS((exarg_T *eap));
309 static void close_redir __ARGS((void));
310 static void ex_mkrc __ARGS((exarg_T *eap));
311 static void ex_mark __ARGS((exarg_T *eap));
312 #ifdef FEAT_USR_CMDS
313 static char_u *uc_fun_cmd __ARGS((void));
314 static char_u *find_ucmd __ARGS((exarg_T *eap, char_u *p, int *full, expand_T *xp, int *compl));
315 #endif
316 #ifdef FEAT_EX_EXTRA
317 static void ex_normal __ARGS((exarg_T *eap));
318 static void ex_startinsert __ARGS((exarg_T *eap));
319 static void ex_stopinsert __ARGS((exarg_T *eap));
320 #else
321 # define ex_normal ex_ni
322 # define ex_align ex_ni
323 # define ex_retab ex_ni
324 # define ex_startinsert ex_ni
325 # define ex_stopinsert ex_ni
326 # define ex_helptags ex_ni
327 # define ex_sort ex_ni
328 #endif
329 #ifdef FEAT_FIND_ID
330 static void ex_checkpath __ARGS((exarg_T *eap));
331 static void ex_findpat __ARGS((exarg_T *eap));
332 #else
333 # define ex_findpat ex_ni
334 # define ex_checkpath ex_ni
335 #endif
336 #if defined(FEAT_FIND_ID) && defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX)
337 static void ex_psearch __ARGS((exarg_T *eap));
338 #else
339 # define ex_psearch ex_ni
340 #endif
341 static void ex_tag __ARGS((exarg_T *eap));
342 static void ex_tag_cmd __ARGS((exarg_T *eap, char_u *name));
343 #ifndef FEAT_EVAL
344 # define ex_scriptnames ex_ni
345 # define ex_finish ex_ni
346 # define ex_echo ex_ni
347 # define ex_echohl ex_ni
348 # define ex_execute ex_ni
349 # define ex_call ex_ni
350 # define ex_if ex_ni
351 # define ex_endif ex_ni
352 # define ex_else ex_ni
353 # define ex_while ex_ni
354 # define ex_for ex_ni
355 # define ex_continue ex_ni
356 # define ex_break ex_ni
357 # define ex_endwhile ex_ni
358 # define ex_endfor ex_ni
359 # define ex_throw ex_ni
360 # define ex_try ex_ni
361 # define ex_catch ex_ni
362 # define ex_finally ex_ni
363 # define ex_endtry ex_ni
364 # define ex_endfunction ex_ni
365 # define ex_let ex_ni
366 # define ex_unlet ex_ni
367 # define ex_lockvar ex_ni
368 # define ex_unlockvar ex_ni
369 # define ex_function ex_ni
370 # define ex_delfunction ex_ni
371 # define ex_return ex_ni
372 # define ex_oldfiles ex_ni
373 #endif
374 static char_u *arg_all __ARGS((void));
375 #ifdef FEAT_SESSION
376 static int makeopens __ARGS((FILE *fd, char_u *dirnow));
377 static int put_view __ARGS((FILE *fd, win_T *wp, int add_edit, unsigned *flagp, int current_arg_idx));
378 static void ex_loadview __ARGS((exarg_T *eap));
379 static char_u *get_view_file __ARGS((int c));
380 static int did_lcd; /* whether ":lcd" was produced for a session */
381 #else
382 # define ex_loadview ex_ni
383 #endif
384 #ifndef FEAT_EVAL
385 # define ex_compiler ex_ni
386 #endif
387 #ifdef FEAT_VIMINFO
388 static void ex_viminfo __ARGS((exarg_T *eap));
389 #else
390 # define ex_viminfo ex_ni
391 #endif
392 static void ex_behave __ARGS((exarg_T *eap));
393 #ifdef FEAT_AUTOCMD
394 static void ex_filetype __ARGS((exarg_T *eap));
395 static void ex_setfiletype __ARGS((exarg_T *eap));
396 #else
397 # define ex_filetype ex_ni
398 # define ex_setfiletype ex_ni
399 #endif
400 #ifndef FEAT_DIFF
401 # define ex_diffoff ex_ni
402 # define ex_diffpatch ex_ni
403 # define ex_diffgetput ex_ni
404 # define ex_diffsplit ex_ni
405 # define ex_diffthis ex_ni
406 # define ex_diffupdate ex_ni
407 #endif
408 static void ex_digraphs __ARGS((exarg_T *eap));
409 static void ex_set __ARGS((exarg_T *eap));
410 #if !defined(FEAT_EVAL) || !defined(FEAT_AUTOCMD)
411 # define ex_options ex_ni
412 #endif
413 #ifdef FEAT_SEARCH_EXTRA
414 static void ex_nohlsearch __ARGS((exarg_T *eap));
415 static void ex_match __ARGS((exarg_T *eap));
416 #else
417 # define ex_nohlsearch ex_ni
418 # define ex_match ex_ni
419 #endif
420 #ifdef FEAT_CRYPT
421 static void ex_X __ARGS((exarg_T *eap));
422 #else
423 # define ex_X ex_ni
424 #endif
425 #ifdef FEAT_FOLDING
426 static void ex_fold __ARGS((exarg_T *eap));
427 static void ex_foldopen __ARGS((exarg_T *eap));
428 static void ex_folddo __ARGS((exarg_T *eap));
429 #else
430 # define ex_fold ex_ni
431 # define ex_foldopen ex_ni
432 # define ex_folddo ex_ni
433 #endif
434 #if !((defined(HAVE_LOCALE_H) || defined(X_LOCALE)) \
435 && (defined(FEAT_GETTEXT) || defined(FEAT_MBYTE)))
436 # define ex_language ex_ni
437 #endif
438 #ifndef FEAT_SIGNS
439 # define ex_sign ex_ni
440 #endif
441 #ifndef FEAT_SUN_WORKSHOP
442 # define ex_wsverb ex_ni
443 #endif
444 #ifndef FEAT_NETBEANS_INTG
445 # define ex_nbkey ex_ni
446 #endif
447
448 #ifndef FEAT_EVAL
449 # define ex_debug ex_ni
450 # define ex_breakadd ex_ni
451 # define ex_debuggreedy ex_ni
452 # define ex_breakdel ex_ni
453 # define ex_breaklist ex_ni
454 #endif
455
456 #ifndef FEAT_CMDHIST
457 # define ex_history ex_ni
458 #endif
459 #ifndef FEAT_JUMPLIST
460 # define ex_jumps ex_ni
461 # define ex_changes ex_ni
462 #endif
463
464 #ifndef FEAT_PROFILE
465 # define ex_profile ex_ni
466 #endif
467
468 /*
469 * Declare cmdnames[].
470 */
471 #define DO_DECLARE_EXCMD
472 #include "ex_cmds.h"
473
474 /*
475 * Table used to quickly search for a command, based on its first character.
476 */
477 static cmdidx_T cmdidxs[27] =
478 {
479 CMD_append,
480 CMD_buffer,
481 CMD_change,
482 CMD_delete,
483 CMD_edit,
484 CMD_file,
485 CMD_global,
486 CMD_help,
487 CMD_insert,
488 CMD_join,
489 CMD_k,
490 CMD_list,
491 CMD_move,
492 CMD_next,
493 CMD_open,
494 CMD_print,
495 CMD_quit,
496 CMD_read,
497 CMD_substitute,
498 CMD_t,
499 CMD_undo,
500 CMD_vglobal,
501 CMD_write,
502 CMD_xit,
503 CMD_yank,
504 CMD_z,
505 CMD_bang
506 };
507
508 static char_u dollar_command[2] = {'$', 0};
509
510
511 #ifdef FEAT_EVAL
512 /* Struct for storing a line inside a while/for loop */
513 typedef struct
514 {
515 char_u *line; /* command line */
516 linenr_T lnum; /* sourcing_lnum of the line */
517 } wcmd_T;
518
519 /*
520 * Structure used to store info for line position in a while or for loop.
521 * This is required, because do_one_cmd() may invoke ex_function(), which
522 * reads more lines that may come from the while/for loop.
523 */
524 struct loop_cookie
525 {
526 garray_T *lines_gap; /* growarray with line info */
527 int current_line; /* last read line from growarray */
528 int repeating; /* TRUE when looping a second time */
529 /* When "repeating" is FALSE use "getline" and "cookie" to get lines */
530 char_u *(*getline) __ARGS((int, void *, int));
531 void *cookie;
532 };
533
534 static char_u *get_loop_line __ARGS((int c, void *cookie, int indent));
535 static int store_loop_line __ARGS((garray_T *gap, char_u *line));
536 static void free_cmdlines __ARGS((garray_T *gap));
537
538 /* Struct to save a few things while debugging. Used in do_cmdline() only. */
539 struct dbg_stuff
540 {
541 int trylevel;
542 int force_abort;
543 except_T *caught_stack;
544 char_u *vv_exception;
545 char_u *vv_throwpoint;
546 int did_emsg;
547 int got_int;
548 int did_throw;
549 int need_rethrow;
550 int check_cstack;
551 except_T *current_exception;
552 };
553
554 static void save_dbg_stuff __ARGS((struct dbg_stuff *dsp));
555 static void restore_dbg_stuff __ARGS((struct dbg_stuff *dsp));
556
557 static void
558 save_dbg_stuff(dsp)
559 struct dbg_stuff *dsp;
560 {
561 dsp->trylevel = trylevel; trylevel = 0;
562 dsp->force_abort = force_abort; force_abort = FALSE;
563 dsp->caught_stack = caught_stack; caught_stack = NULL;
564 dsp->vv_exception = v_exception(NULL);
565 dsp->vv_throwpoint = v_throwpoint(NULL);
566
567 /* Necessary for debugging an inactive ":catch", ":finally", ":endtry" */
568 dsp->did_emsg = did_emsg; did_emsg = FALSE;
569 dsp->got_int = got_int; got_int = FALSE;
570 dsp->did_throw = did_throw; did_throw = FALSE;
571 dsp->need_rethrow = need_rethrow; need_rethrow = FALSE;
572 dsp->check_cstack = check_cstack; check_cstack = FALSE;
573 dsp->current_exception = current_exception; current_exception = NULL;
574 }
575
576 static void
577 restore_dbg_stuff(dsp)
578 struct dbg_stuff *dsp;
579 {
580 suppress_errthrow = FALSE;
581 trylevel = dsp->trylevel;
582 force_abort = dsp->force_abort;
583 caught_stack = dsp->caught_stack;
584 (void)v_exception(dsp->vv_exception);
585 (void)v_throwpoint(dsp->vv_throwpoint);
586 did_emsg = dsp->did_emsg;
587 got_int = dsp->got_int;
588 did_throw = dsp->did_throw;
589 need_rethrow = dsp->need_rethrow;
590 check_cstack = dsp->check_cstack;
591 current_exception = dsp->current_exception;
592 }
593 #endif
594
595
596 /*
597 * do_exmode(): Repeatedly get commands for the "Ex" mode, until the ":vi"
598 * command is given.
599 */
600 void
601 do_exmode(improved)
602 int improved; /* TRUE for "improved Ex" mode */
603 {
604 int save_msg_scroll;
605 int prev_msg_row;
606 linenr_T prev_line;
607 int changedtick;
608
609 if (improved)
610 exmode_active = EXMODE_VIM;
611 else
612 exmode_active = EXMODE_NORMAL;
613 State = NORMAL;
614
615 /* When using ":global /pat/ visual" and then "Q" we return to continue
616 * the :global command. */
617 if (global_busy)
618 return;
619
620 save_msg_scroll = msg_scroll;
621 ++RedrawingDisabled; /* don't redisplay the window */
622 ++no_wait_return; /* don't wait for return */
623 #ifdef FEAT_GUI
624 /* Ignore scrollbar and mouse events in Ex mode */
625 ++hold_gui_events;
626 #endif
627 #ifdef FEAT_SNIFF
628 want_sniff_request = 0; /* No K_SNIFF wanted */
629 #endif
630
631 MSG(_("Entering Ex mode. Type \"visual\" to go to Normal mode."));
632 while (exmode_active)
633 {
634 #ifdef FEAT_EX_EXTRA
635 /* Check for a ":normal" command and no more characters left. */
636 if (ex_normal_busy > 0 && typebuf.tb_len == 0)
637 {
638 exmode_active = FALSE;
639 break;
640 }
641 #endif
642 msg_scroll = TRUE;
643 need_wait_return = FALSE;
644 ex_pressedreturn = FALSE;
645 ex_no_reprint = FALSE;
646 changedtick = curbuf->b_changedtick;
647 prev_msg_row = msg_row;
648 prev_line = curwin->w_cursor.lnum;
649 #ifdef FEAT_SNIFF
650 ProcessSniffRequests();
651 #endif
652 if (improved)
653 {
654 cmdline_row = msg_row;
655 do_cmdline(NULL, getexline, NULL, 0);
656 }
657 else
658 do_cmdline(NULL, getexmodeline, NULL, DOCMD_NOWAIT);
659 lines_left = Rows - 1;
660
661 if ((prev_line != curwin->w_cursor.lnum
662 || changedtick != curbuf->b_changedtick) && !ex_no_reprint)
663 {
664 if (curbuf->b_ml.ml_flags & ML_EMPTY)
665 EMSG(_(e_emptybuf));
666 else
667 {
668 if (ex_pressedreturn)
669 {
670 /* go up one line, to overwrite the ":<CR>" line, so the
671 * output doesn't contain empty lines. */
672 msg_row = prev_msg_row;
673 if (prev_msg_row == Rows - 1)
674 msg_row--;
675 }
676 msg_col = 0;
677 print_line_no_prefix(curwin->w_cursor.lnum, FALSE, FALSE);
678 msg_clr_eos();
679 }
680 }
681 else if (ex_pressedreturn && !ex_no_reprint) /* must be at EOF */
682 {
683 if (curbuf->b_ml.ml_flags & ML_EMPTY)
684 EMSG(_(e_emptybuf));
685 else
686 EMSG(_("E501: At end-of-file"));
687 }
688 }
689
690 #ifdef FEAT_GUI
691 --hold_gui_events;
692 #endif
693 --RedrawingDisabled;
694 --no_wait_return;
695 update_screen(CLEAR);
696 need_wait_return = FALSE;
697 msg_scroll = save_msg_scroll;
698 }
699
700 /*
701 * Execute a simple command line. Used for translated commands like "*".
702 */
703 int
704 do_cmdline_cmd(cmd)
705 char_u *cmd;
706 {
707 return do_cmdline(cmd, NULL, NULL,
708 DOCMD_VERBOSE|DOCMD_NOWAIT|DOCMD_KEYTYPED);
709 }
710
711 /*
712 * do_cmdline(): execute one Ex command line
713 *
714 * 1. Execute "cmdline" when it is not NULL.
715 * If "cmdline" is NULL, or more lines are needed, getline() is used.
716 * 2. Split up in parts separated with '|'.
717 *
718 * This function can be called recursively!
719 *
720 * flags:
721 * DOCMD_VERBOSE - The command will be included in the error message.
722 * DOCMD_NOWAIT - Don't call wait_return() and friends.
723 * DOCMD_REPEAT - Repeat execution until getline() returns NULL.
724 * DOCMD_KEYTYPED - Don't reset KeyTyped.
725 * DOCMD_EXCRESET - Reset the exception environment (used for debugging).
726 * DOCMD_KEEPLINE - Store first typed line (for repeating with ".").
727 *
728 * return FAIL if cmdline could not be executed, OK otherwise
729 */
730 int
731 do_cmdline(cmdline, getline, cookie, flags)
732 char_u *cmdline;
733 char_u *(*getline) __ARGS((int, void *, int));
734 void *cookie; /* argument for getline() */
735 int flags;
736 {
737 char_u *next_cmdline; /* next cmd to execute */
738 char_u *cmdline_copy = NULL; /* copy of cmd line */
739 int used_getline = FALSE; /* used "getline" to obtain command */
740 static int recursive = 0; /* recursive depth */
741 int msg_didout_before_start = 0;
742 int count = 0; /* line number count */
743 int did_inc = FALSE; /* incremented RedrawingDisabled */
744 int retval = OK;
745 #ifdef FEAT_EVAL
746 struct condstack cstack; /* conditional stack */
747 garray_T lines_ga; /* keep lines for ":while"/":for" */
748 int current_line = 0; /* active line in lines_ga */
749 char_u *fname = NULL; /* function or script name */
750 linenr_T *breakpoint = NULL; /* ptr to breakpoint field in cookie */
751 int *dbg_tick = NULL; /* ptr to dbg_tick field in cookie */
752 struct dbg_stuff debug_saved; /* saved things for debug mode */
753 int initial_trylevel;
754 struct msglist **saved_msg_list = NULL;
755 struct msglist *private_msg_list;
756
757 /* "getline" and "cookie" passed to do_one_cmd() */
758 char_u *(*cmd_getline) __ARGS((int, void *, int));
759 void *cmd_cookie;
760 struct loop_cookie cmd_loop_cookie;
761 void *real_cookie;
762 int getline_is_func;
763 #else
764 # define cmd_getline getline
765 # define cmd_cookie cookie
766 #endif
767 static int call_depth = 0; /* recursiveness */
768
769 #ifdef FEAT_EVAL
770 /* For every pair of do_cmdline()/do_one_cmd() calls, use an extra memory
771 * location for storing error messages to be converted to an exception.
772 * This ensures that the do_errthrow() call in do_one_cmd() does not
773 * combine the messages stored by an earlier invocation of do_one_cmd()
774 * with the command name of the later one. This would happen when
775 * BufWritePost autocommands are executed after a write error. */
776 saved_msg_list = msg_list;
777 msg_list = &private_msg_list;
778 private_msg_list = NULL;
779 #endif
780
781 /* It's possible to create an endless loop with ":execute", catch that
782 * here. The value of 200 allows nested function calls, ":source", etc. */
783 if (call_depth == 200)
784 {
785 EMSG(_("E169: Command too recursive"));
786 #ifdef FEAT_EVAL
787 /* When converting to an exception, we do not include the command name
788 * since this is not an error of the specific command. */
789 do_errthrow((struct condstack *)NULL, (char_u *)NULL);
790 msg_list = saved_msg_list;
791 #endif
792 return FAIL;
793 }
794 ++call_depth;
795
796 #ifdef FEAT_EVAL
797 cstack.cs_idx = -1;
798 cstack.cs_looplevel = 0;
799 cstack.cs_trylevel = 0;
800 cstack.cs_emsg_silent_list = NULL;
801 cstack.cs_lflags = 0;
802 ga_init2(&lines_ga, (int)sizeof(wcmd_T), 10);
803
804 real_cookie = getline_cookie(getline, cookie);
805
806 /* Inside a function use a higher nesting level. */
807 getline_is_func = getline_equal(getline, cookie, get_func_line);
808 if (getline_is_func && ex_nesting_level == func_level(real_cookie))
809 ++ex_nesting_level;
810
811 /* Get the function or script name and the address where the next breakpoint
812 * line and the debug tick for a function or script are stored. */
813 if (getline_is_func)
814 {
815 fname = func_name(real_cookie);
816 breakpoint = func_breakpoint(real_cookie);
817 dbg_tick = func_dbg_tick(real_cookie);
818 }
819 else if (getline_equal(getline, cookie, getsourceline))
820 {
821 fname = sourcing_name;
822 breakpoint = source_breakpoint(real_cookie);
823 dbg_tick = source_dbg_tick(real_cookie);
824 }
825
826 /*
827 * Initialize "force_abort" and "suppress_errthrow" at the top level.
828 */
829 if (!recursive)
830 {
831 force_abort = FALSE;
832 suppress_errthrow = FALSE;
833 }
834
835 /*
836 * If requested, store and reset the global values controlling the
837 * exception handling (used when debugging). Otherwise clear it to avoid
838 * a bogus compiler warning when the optimizer uses inline functions...
839 */
840 if (flags & DOCMD_EXCRESET)
841 save_dbg_stuff(&debug_saved);
842 else
843 memset(&debug_saved, 0, 1);
844
845 initial_trylevel = trylevel;
846
847 /*
848 * "did_throw" will be set to TRUE when an exception is being thrown.
849 */
850 did_throw = FALSE;
851 #endif
852 /*
853 * "did_emsg" will be set to TRUE when emsg() is used, in which case we
854 * cancel the whole command line, and any if/endif or loop.
855 * If force_abort is set, we cancel everything.
856 */
857 did_emsg = FALSE;
858
859 /*
860 * KeyTyped is only set when calling vgetc(). Reset it here when not
861 * calling vgetc() (sourced command lines).
862 */
863 if (!(flags & DOCMD_KEYTYPED) && !getline_equal(getline, cookie, getexline))
864 KeyTyped = FALSE;
865
866 /*
867 * Continue executing command lines:
868 * - when inside an ":if", ":while" or ":for"
869 * - for multiple commands on one line, separated with '|'
870 * - when repeating until there are no more lines (for ":source")
871 */
872 next_cmdline = cmdline;
873 do
874 {
875 #ifdef FEAT_EVAL
876 getline_is_func = getline_equal(getline, cookie, get_func_line);
877 #endif
878
879 /* stop skipping cmds for an error msg after all endif/while/for */
880 if (next_cmdline == NULL
881 #ifdef FEAT_EVAL
882 && !force_abort
883 && cstack.cs_idx < 0
884 && !(getline_is_func && func_has_abort(real_cookie))
885 #endif
886 )
887 did_emsg = FALSE;
888
889 /*
890 * 1. If repeating a line in a loop, get a line from lines_ga.
891 * 2. If no line given: Get an allocated line with getline().
892 * 3. If a line is given: Make a copy, so we can mess with it.
893 */
894
895 #ifdef FEAT_EVAL
896 /* 1. If repeating, get a previous line from lines_ga. */
897 if (cstack.cs_looplevel > 0 && current_line < lines_ga.ga_len)
898 {
899 /* Each '|' separated command is stored separately in lines_ga, to
900 * be able to jump to it. Don't use next_cmdline now. */
901 vim_free(cmdline_copy);
902 cmdline_copy = NULL;
903
904 /* Check if a function has returned or, unless it has an unclosed
905 * try conditional, aborted. */
906 if (getline_is_func)
907 {
908 # ifdef FEAT_PROFILE
909 if (do_profiling == PROF_YES)
910 func_line_end(real_cookie);
911 # endif
912 if (func_has_ended(real_cookie))
913 {
914 retval = FAIL;
915 break;
916 }
917 }
918 #ifdef FEAT_PROFILE
919 else if (do_profiling == PROF_YES
920 && getline_equal(getline, cookie, getsourceline))
921 script_line_end();
922 #endif
923
924 /* Check if a sourced file hit a ":finish" command. */
925 if (source_finished(getline, cookie))
926 {
927 retval = FAIL;
928 break;
929 }
930
931 /* If breakpoints have been added/deleted need to check for it. */
932 if (breakpoint != NULL && dbg_tick != NULL
933 && *dbg_tick != debug_tick)
934 {
935 *breakpoint = dbg_find_breakpoint(
936 getline_equal(getline, cookie, getsourceline),
937 fname, sourcing_lnum);
938 *dbg_tick = debug_tick;
939 }
940
941 next_cmdline = ((wcmd_T *)(lines_ga.ga_data))[current_line].line;
942 sourcing_lnum = ((wcmd_T *)(lines_ga.ga_data))[current_line].lnum;
943
944 /* Did we encounter a breakpoint? */
945 if (breakpoint != NULL && *breakpoint != 0
946 && *breakpoint <= sourcing_lnum)
947 {
948 dbg_breakpoint(fname, sourcing_lnum);
949 /* Find next breakpoint. */
950 *breakpoint = dbg_find_breakpoint(
951 getline_equal(getline, cookie, getsourceline),
952 fname, sourcing_lnum);
953 *dbg_tick = debug_tick;
954 }
955 # ifdef FEAT_PROFILE
956 if (do_profiling == PROF_YES)
957 {
958 if (getline_is_func)
959 func_line_start(real_cookie);
960 else if (getline_equal(getline, cookie, getsourceline))
961 script_line_start();
962 }
963 # endif
964 }
965
966 if (cstack.cs_looplevel > 0)
967 {
968 /* Inside a while/for loop we need to store the lines and use them
969 * again. Pass a different "getline" function to do_one_cmd()
970 * below, so that it stores lines in or reads them from
971 * "lines_ga". Makes it possible to define a function inside a
972 * while/for loop. */
973 cmd_getline = get_loop_line;
974 cmd_cookie = (void *)&cmd_loop_cookie;
975 cmd_loop_cookie.lines_gap = &lines_ga;
976 cmd_loop_cookie.current_line = current_line;
977 cmd_loop_cookie.getline = getline;
978 cmd_loop_cookie.cookie = cookie;
979 cmd_loop_cookie.repeating = (current_line < lines_ga.ga_len);
980 }
981 else
982 {
983 cmd_getline = getline;
984 cmd_cookie = cookie;
985 }
986 #endif
987
988 /* 2. If no line given, get an allocated line with getline(). */
989 if (next_cmdline == NULL)
990 {
991 /*
992 * Need to set msg_didout for the first line after an ":if",
993 * otherwise the ":if" will be overwritten.
994 */
995 if (count == 1 && getline_equal(getline, cookie, getexline))
996 msg_didout = TRUE;
997 if (getline == NULL || (next_cmdline = getline(':', cookie,
998 #ifdef FEAT_EVAL
999 cstack.cs_idx < 0 ? 0 : (cstack.cs_idx + 1) * 2
1000 #else
1001 0
1002 #endif
1003 )) == NULL)
1004 {
1005 /* Don't call wait_return for aborted command line. The NULL
1006 * returned for the end of a sourced file or executed function
1007 * doesn't do this. */
1008 if (KeyTyped && !(flags & DOCMD_REPEAT))
1009 need_wait_return = FALSE;
1010 retval = FAIL;
1011 break;
1012 }
1013 used_getline = TRUE;
1014
1015 /*
1016 * Keep the first typed line. Clear it when more lines are typed.
1017 */
1018 if (flags & DOCMD_KEEPLINE)
1019 {
1020 vim_free(repeat_cmdline);
1021 if (count == 0)
1022 repeat_cmdline = vim_strsave(next_cmdline);
1023 else
1024 repeat_cmdline = NULL;
1025 }
1026 }
1027
1028 /* 3. Make a copy of the command so we can mess with it. */
1029 else if (cmdline_copy == NULL)
1030 {
1031 next_cmdline = vim_strsave(next_cmdline);
1032 if (next_cmdline == NULL)
1033 {
1034 EMSG(_(e_outofmem));
1035 retval = FAIL;
1036 break;
1037 }
1038 }
1039 cmdline_copy = next_cmdline;
1040
1041 #ifdef FEAT_EVAL
1042 /*
1043 * Save the current line when inside a ":while" or ":for", and when
1044 * the command looks like a ":while" or ":for", because we may need it
1045 * later. When there is a '|' and another command, it is stored
1046 * separately, because we need to be able to jump back to it from an
1047 * :endwhile/:endfor.
1048 */
1049 if (current_line == lines_ga.ga_len
1050 && (cstack.cs_looplevel || has_loop_cmd(next_cmdline)))
1051 {
1052 if (store_loop_line(&lines_ga, next_cmdline) == FAIL)
1053 {
1054 retval = FAIL;
1055 break;
1056 }
1057 }
1058 did_endif = FALSE;
1059 #endif
1060
1061 if (count++ == 0)
1062 {
1063 /*
1064 * All output from the commands is put below each other, without
1065 * waiting for a return. Don't do this when executing commands
1066 * from a script or when being called recursive (e.g. for ":e
1067 * +command file").
1068 */
1069 if (!(flags & DOCMD_NOWAIT) && !recursive)
1070 {
1071 msg_didout_before_start = msg_didout;
1072 msg_didany = FALSE; /* no output yet */
1073 msg_start();
1074 msg_scroll = TRUE; /* put messages below each other */
1075 ++no_wait_return; /* dont wait for return until finished */
1076 ++RedrawingDisabled;
1077 did_inc = TRUE;
1078 }
1079 }
1080
1081 if (p_verbose >= 15 && sourcing_name != NULL)
1082 {
1083 ++no_wait_return;
1084 verbose_enter_scroll();
1085
1086 smsg((char_u *)_("line %ld: %s"),
1087 (long)sourcing_lnum, cmdline_copy);
1088 if (msg_silent == 0)
1089 msg_puts((char_u *)"\n"); /* don't overwrite this */
1090
1091 verbose_leave_scroll();
1092 --no_wait_return;
1093 }
1094
1095 /*
1096 * 2. Execute one '|' separated command.
1097 * do_one_cmd() will return NULL if there is no trailing '|'.
1098 * "cmdline_copy" can change, e.g. for '%' and '#' expansion.
1099 */
1100 ++recursive;
1101 next_cmdline = do_one_cmd(&cmdline_copy, flags & DOCMD_VERBOSE,
1102 #ifdef FEAT_EVAL
1103 &cstack,
1104 #endif
1105 cmd_getline, cmd_cookie);
1106 --recursive;
1107
1108 #ifdef FEAT_EVAL
1109 if (cmd_cookie == (void *)&cmd_loop_cookie)
1110 /* Use "current_line" from "cmd_loop_cookie", it may have been
1111 * incremented when defining a function. */
1112 current_line = cmd_loop_cookie.current_line;
1113 #endif
1114
1115 if (next_cmdline == NULL)
1116 {
1117 vim_free(cmdline_copy);
1118 cmdline_copy = NULL;
1119 #ifdef FEAT_CMDHIST
1120 /*
1121 * If the command was typed, remember it for the ':' register.
1122 * Do this AFTER executing the command to make :@: work.
1123 */
1124 if (getline_equal(getline, cookie, getexline)
1125 && new_last_cmdline != NULL)
1126 {
1127 vim_free(last_cmdline);
1128 last_cmdline = new_last_cmdline;
1129 new_last_cmdline = NULL;
1130 }
1131 #endif
1132 }
1133 else
1134 {
1135 /* need to copy the command after the '|' to cmdline_copy, for the
1136 * next do_one_cmd() */
1137 STRMOVE(cmdline_copy, next_cmdline);
1138 next_cmdline = cmdline_copy;
1139 }
1140
1141
1142 #ifdef FEAT_EVAL
1143 /* reset did_emsg for a function that is not aborted by an error */
1144 if (did_emsg && !force_abort
1145 && getline_equal(getline, cookie, get_func_line)
1146 && !func_has_abort(real_cookie))
1147 did_emsg = FALSE;
1148
1149 if (cstack.cs_looplevel > 0)
1150 {
1151 ++current_line;
1152
1153 /*
1154 * An ":endwhile", ":endfor" and ":continue" is handled here.
1155 * If we were executing commands, jump back to the ":while" or
1156 * ":for".
1157 * If we were not executing commands, decrement cs_looplevel.
1158 */
1159 if (cstack.cs_lflags & (CSL_HAD_CONT | CSL_HAD_ENDLOOP))
1160 {
1161 cstack.cs_lflags &= ~(CSL_HAD_CONT | CSL_HAD_ENDLOOP);
1162
1163 /* Jump back to the matching ":while" or ":for". Be careful
1164 * not to use a cs_line[] from an entry that isn't a ":while"
1165 * or ":for": It would make "current_line" invalid and can
1166 * cause a crash. */
1167 if (!did_emsg && !got_int && !did_throw
1168 && cstack.cs_idx >= 0
1169 && (cstack.cs_flags[cstack.cs_idx]
1170 & (CSF_WHILE | CSF_FOR))
1171 && cstack.cs_line[cstack.cs_idx] >= 0
1172 && (cstack.cs_flags[cstack.cs_idx] & CSF_ACTIVE))
1173 {
1174 current_line = cstack.cs_line[cstack.cs_idx];
1175 /* remember we jumped there */
1176 cstack.cs_lflags |= CSL_HAD_LOOP;
1177 line_breakcheck(); /* check if CTRL-C typed */
1178
1179 /* Check for the next breakpoint at or after the ":while"
1180 * or ":for". */
1181 if (breakpoint != NULL)
1182 {
1183 *breakpoint = dbg_find_breakpoint(
1184 getline_equal(getline, cookie, getsourceline),
1185 fname,
1186 ((wcmd_T *)lines_ga.ga_data)[current_line].lnum-1);
1187 *dbg_tick = debug_tick;
1188 }
1189 }
1190 else
1191 {
1192 /* can only get here with ":endwhile" or ":endfor" */
1193 if (cstack.cs_idx >= 0)
1194 rewind_conditionals(&cstack, cstack.cs_idx - 1,
1195 CSF_WHILE | CSF_FOR, &cstack.cs_looplevel);
1196 }
1197 }
1198
1199 /*
1200 * For a ":while" or ":for" we need to remember the line number.
1201 */
1202 else if (cstack.cs_lflags & CSL_HAD_LOOP)
1203 {
1204 cstack.cs_lflags &= ~CSL_HAD_LOOP;
1205 cstack.cs_line[cstack.cs_idx] = current_line - 1;
1206 }
1207 }
1208
1209 /*
1210 * When not inside any ":while" loop, clear remembered lines.
1211 */
1212 if (cstack.cs_looplevel == 0)
1213 {
1214 if (lines_ga.ga_len > 0)
1215 {
1216 sourcing_lnum =
1217 ((wcmd_T *)lines_ga.ga_data)[lines_ga.ga_len - 1].lnum;
1218 free_cmdlines(&lines_ga);
1219 }
1220 current_line = 0;
1221 }
1222
1223 /*
1224 * A ":finally" makes did_emsg, got_int, and did_throw pending for
1225 * being restored at the ":endtry". Reset them here and set the
1226 * ACTIVE and FINALLY flags, so that the finally clause gets executed.
1227 * This includes the case where a missing ":endif", ":endwhile" or
1228 * ":endfor" was detected by the ":finally" itself.
1229 */
1230 if (cstack.cs_lflags & CSL_HAD_FINA)
1231 {
1232 cstack.cs_lflags &= ~CSL_HAD_FINA;
1233 report_make_pending(cstack.cs_pending[cstack.cs_idx]
1234 & (CSTP_ERROR | CSTP_INTERRUPT | CSTP_THROW),
1235 did_throw ? (void *)current_exception : NULL);
1236 did_emsg = got_int = did_throw = FALSE;
1237 cstack.cs_flags[cstack.cs_idx] |= CSF_ACTIVE | CSF_FINALLY;
1238 }
1239
1240 /* Update global "trylevel" for recursive calls to do_cmdline() from
1241 * within this loop. */
1242 trylevel = initial_trylevel + cstack.cs_trylevel;
1243
1244 /*
1245 * If the outermost try conditional (across function calls and sourced
1246 * files) is aborted because of an error, an interrupt, or an uncaught
1247 * exception, cancel everything. If it is left normally, reset
1248 * force_abort to get the non-EH compatible abortion behavior for
1249 * the rest of the script.
1250 */
1251 if (trylevel == 0 && !did_emsg && !got_int && !did_throw)
1252 force_abort = FALSE;
1253
1254 /* Convert an interrupt to an exception if appropriate. */
1255 (void)do_intthrow(&cstack);
1256 #endif /* FEAT_EVAL */
1257
1258 }
1259 /*
1260 * Continue executing command lines when:
1261 * - no CTRL-C typed, no aborting error, no exception thrown or try
1262 * conditionals need to be checked for executing finally clauses or
1263 * catching an interrupt exception
1264 * - didn't get an error message or lines are not typed
1265 * - there is a command after '|', inside a :if, :while, :for or :try, or
1266 * looping for ":source" command or function call.
1267 */
1268 while (!((got_int
1269 #ifdef FEAT_EVAL
1270 || (did_emsg && force_abort) || did_throw
1271 #endif
1272 )
1273 #ifdef FEAT_EVAL
1274 && cstack.cs_trylevel == 0
1275 #endif
1276 )
1277 && !(did_emsg && used_getline
1278 && (getline_equal(getline, cookie, getexmodeline)
1279 || getline_equal(getline, cookie, getexline)))
1280 && (next_cmdline != NULL
1281 #ifdef FEAT_EVAL
1282 || cstack.cs_idx >= 0
1283 #endif
1284 || (flags & DOCMD_REPEAT)));
1285
1286 vim_free(cmdline_copy);
1287 #ifdef FEAT_EVAL
1288 free_cmdlines(&lines_ga);
1289 ga_clear(&lines_ga);
1290
1291 if (cstack.cs_idx >= 0)
1292 {
1293 /*
1294 * If a sourced file or executed function ran to its end, report the
1295 * unclosed conditional.
1296 */
1297 if (!got_int && !did_throw
1298 && ((getline_equal(getline, cookie, getsourceline)
1299 && !source_finished(getline, cookie))
1300 || (getline_equal(getline, cookie, get_func_line)
1301 && !func_has_ended(real_cookie))))
1302 {
1303 if (cstack.cs_flags[cstack.cs_idx] & CSF_TRY)
1304 EMSG(_(e_endtry));
1305 else if (cstack.cs_flags[cstack.cs_idx] & CSF_WHILE)
1306 EMSG(_(e_endwhile));
1307 else if (cstack.cs_flags[cstack.cs_idx] & CSF_FOR)
1308 EMSG(_(e_endfor));
1309 else
1310 EMSG(_(e_endif));
1311 }
1312
1313 /*
1314 * Reset "trylevel" in case of a ":finish" or ":return" or a missing
1315 * ":endtry" in a sourced file or executed function. If the try
1316 * conditional is in its finally clause, ignore anything pending.
1317 * If it is in a catch clause, finish the caught exception.
1318 * Also cleanup any "cs_forinfo" structures.
1319 */
1320 do
1321 {
1322 int idx = cleanup_conditionals(&cstack, 0, TRUE);
1323
1324 if (idx >= 0)
1325 --idx; /* remove try block not in its finally clause */
1326 rewind_conditionals(&cstack, idx, CSF_WHILE | CSF_FOR,
1327 &cstack.cs_looplevel);
1328 }
1329 while (cstack.cs_idx >= 0);
1330 trylevel = initial_trylevel;
1331 }
1332
1333 /* If a missing ":endtry", ":endwhile", ":endfor", or ":endif" or a memory
1334 * lack was reported above and the error message is to be converted to an
1335 * exception, do this now after rewinding the cstack. */
1336 do_errthrow(&cstack, getline_equal(getline, cookie, get_func_line)
1337 ? (char_u *)"endfunction" : (char_u *)NULL);
1338
1339 if (trylevel == 0)
1340 {
1341 /*
1342 * When an exception is being thrown out of the outermost try
1343 * conditional, discard the uncaught exception, disable the conversion
1344 * of interrupts or errors to exceptions, and ensure that no more
1345 * commands are executed.
1346 */
1347 if (did_throw)
1348 {
1349 void *p = NULL;
1350 char_u *saved_sourcing_name;
1351 int saved_sourcing_lnum;
1352 struct msglist *messages = NULL, *next;
1353
1354 /*
1355 * If the uncaught exception is a user exception, report it as an
1356 * error. If it is an error exception, display the saved error
1357 * message now. For an interrupt exception, do nothing; the
1358 * interrupt message is given elsewhere.
1359 */
1360 switch (current_exception->type)
1361 {
1362 case ET_USER:
1363 vim_snprintf((char *)IObuff, IOSIZE,
1364 _("E605: Exception not caught: %s"),
1365 current_exception->value);
1366 p = vim_strsave(IObuff);
1367 break;
1368 case ET_ERROR:
1369 messages = current_exception->messages;
1370 current_exception->messages = NULL;
1371 break;
1372 case ET_INTERRUPT:
1373 break;
1374 default:
1375 p = vim_strsave((char_u *)_(e_internal));
1376 }
1377
1378 saved_sourcing_name = sourcing_name;
1379 saved_sourcing_lnum = sourcing_lnum;
1380 sourcing_name = current_exception->throw_name;
1381 sourcing_lnum = current_exception->throw_lnum;
1382 current_exception->throw_name = NULL;
1383
1384 discard_current_exception(); /* uses IObuff if 'verbose' */
1385 suppress_errthrow = TRUE;
1386 force_abort = TRUE;
1387
1388 if (messages != NULL)
1389 {
1390 do
1391 {
1392 next = messages->next;
1393 emsg(messages->msg);
1394 vim_free(messages->msg);
1395 vim_free(messages);
1396 messages = next;
1397 }
1398 while (messages != NULL);
1399 }
1400 else if (p != NULL)
1401 {
1402 emsg(p);
1403 vim_free(p);
1404 }
1405 vim_free(sourcing_name);
1406 sourcing_name = saved_sourcing_name;
1407 sourcing_lnum = saved_sourcing_lnum;
1408 }
1409
1410 /*
1411 * On an interrupt or an aborting error not converted to an exception,
1412 * disable the conversion of errors to exceptions. (Interrupts are not
1413 * converted any more, here.) This enables also the interrupt message
1414 * when force_abort is set and did_emsg unset in case of an interrupt
1415 * from a finally clause after an error.
1416 */
1417 else if (got_int || (did_emsg && force_abort))
1418 suppress_errthrow = TRUE;
1419 }
1420
1421 /*
1422 * The current cstack will be freed when do_cmdline() returns. An uncaught
1423 * exception will have to be rethrown in the previous cstack. If a function
1424 * has just returned or a script file was just finished and the previous
1425 * cstack belongs to the same function or, respectively, script file, it
1426 * will have to be checked for finally clauses to be executed due to the
1427 * ":return" or ":finish". This is done in do_one_cmd().
1428 */
1429 if (did_throw)
1430 need_rethrow = TRUE;
1431 if ((getline_equal(getline, cookie, getsourceline)
1432 && ex_nesting_level > source_level(real_cookie))
1433 || (getline_equal(getline, cookie, get_func_line)
1434 && ex_nesting_level > func_level(real_cookie) + 1))
1435 {
1436 if (!did_throw)
1437 check_cstack = TRUE;
1438 }
1439 else
1440 {
1441 /* When leaving a function, reduce nesting level. */
1442 if (getline_equal(getline, cookie, get_func_line))
1443 --ex_nesting_level;
1444 /*
1445 * Go to debug mode when returning from a function in which we are
1446 * single-stepping.
1447 */
1448 if ((getline_equal(getline, cookie, getsourceline)
1449 || getline_equal(getline, cookie, get_func_line))
1450 && ex_nesting_level + 1 <= debug_break_level)
1451 do_debug(getline_equal(getline, cookie, getsourceline)
1452 ? (char_u *)_("End of sourced file")
1453 : (char_u *)_("End of function"));
1454 }
1455
1456 /*
1457 * Restore the exception environment (done after returning from the
1458 * debugger).
1459 */
1460 if (flags & DOCMD_EXCRESET)
1461 restore_dbg_stuff(&debug_saved);
1462
1463 msg_list = saved_msg_list;
1464 #endif /* FEAT_EVAL */
1465
1466 /*
1467 * If there was too much output to fit on the command line, ask the user to
1468 * hit return before redrawing the screen. With the ":global" command we do
1469 * this only once after the command is finished.
1470 */
1471 if (did_inc)
1472 {
1473 --RedrawingDisabled;
1474 --no_wait_return;
1475 msg_scroll = FALSE;
1476
1477 /*
1478 * When just finished an ":if"-":else" which was typed, no need to
1479 * wait for hit-return. Also for an error situation.
1480 */
1481 if (retval == FAIL
1482 #ifdef FEAT_EVAL
1483 || (did_endif && KeyTyped && !did_emsg)
1484 #endif
1485 )
1486 {
1487 need_wait_return = FALSE;
1488 msg_didany = FALSE; /* don't wait when restarting edit */
1489 }
1490 else if (need_wait_return)
1491 {
1492 /*
1493 * The msg_start() above clears msg_didout. The wait_return we do
1494 * here should not overwrite the command that may be shown before
1495 * doing that.
1496 */
1497 msg_didout |= msg_didout_before_start;
1498 wait_return(FALSE);
1499 }
1500 }
1501
1502 #ifndef FEAT_EVAL
1503 /*
1504 * Reset if_level, in case a sourced script file contains more ":if" than
1505 * ":endif" (could be ":if x | foo | endif").
1506 */
1507 if_level = 0;
1508 #endif
1509
1510 --call_depth;
1511 return retval;
1512 }
1513
1514 #ifdef FEAT_EVAL
1515 /*
1516 * Obtain a line when inside a ":while" or ":for" loop.
1517 */
1518 static char_u *
1519 get_loop_line(c, cookie, indent)
1520 int c;
1521 void *cookie;
1522 int indent;
1523 {
1524 struct loop_cookie *cp = (struct loop_cookie *)cookie;
1525 wcmd_T *wp;
1526 char_u *line;
1527
1528 if (cp->current_line + 1 >= cp->lines_gap->ga_len)
1529 {
1530 if (cp->repeating)
1531 return NULL; /* trying to read past ":endwhile"/":endfor" */
1532
1533 /* First time inside the ":while"/":for": get line normally. */
1534 if (cp->getline == NULL)
1535 line = getcmdline(c, 0L, indent);
1536 else
1537 line = cp->getline(c, cp->cookie, indent);
1538 if (line != NULL && store_loop_line(cp->lines_gap, line) == OK)
1539 ++cp->current_line;
1540
1541 return line;
1542 }
1543
1544 KeyTyped = FALSE;
1545 ++cp->current_line;
1546 wp = (wcmd_T *)(cp->lines_gap->ga_data) + cp->current_line;
1547 sourcing_lnum = wp->lnum;
1548 return vim_strsave(wp->line);
1549 }
1550
1551 /*
1552 * Store a line in "gap" so that a ":while" loop can execute it again.
1553 */
1554 static int
1555 store_loop_line(gap, line)
1556 garray_T *gap;
1557 char_u *line;
1558 {
1559 if (ga_grow(gap, 1) == FAIL)
1560 return FAIL;
1561 ((wcmd_T *)(gap->ga_data))[gap->ga_len].line = vim_strsave(line);
1562 ((wcmd_T *)(gap->ga_data))[gap->ga_len].lnum = sourcing_lnum;
1563 ++gap->ga_len;
1564 return OK;
1565 }
1566
1567 /*
1568 * Free the lines stored for a ":while" or ":for" loop.
1569 */
1570 static void
1571 free_cmdlines(gap)
1572 garray_T *gap;
1573 {
1574 while (gap->ga_len > 0)
1575 {
1576 vim_free(((wcmd_T *)(gap->ga_data))[gap->ga_len - 1].line);
1577 --gap->ga_len;
1578 }
1579 }
1580 #endif
1581
1582 /*
1583 * If "fgetline" is get_loop_line(), return TRUE if the getline it uses equals
1584 * "func". * Otherwise return TRUE when "fgetline" equals "func".
1585 */
1586 int
1587 getline_equal(fgetline, cookie, func)
1588 char_u *(*fgetline) __ARGS((int, void *, int));
1589 void *cookie UNUSED; /* argument for fgetline() */
1590 char_u *(*func) __ARGS((int, void *, int));
1591 {
1592 #ifdef FEAT_EVAL
1593 char_u *(*gp) __ARGS((int, void *, int));
1594 struct loop_cookie *cp;
1595
1596 /* When "fgetline" is "get_loop_line()" use the "cookie" to find the
1597 * function that's originally used to obtain the lines. This may be
1598 * nested several levels. */
1599 gp = fgetline;
1600 cp = (struct loop_cookie *)cookie;
1601 while (gp == get_loop_line)
1602 {
1603 gp = cp->getline;
1604 cp = cp->cookie;
1605 }
1606 return gp == func;
1607 #else
1608 return fgetline == func;
1609 #endif
1610 }
1611
1612 #if defined(FEAT_EVAL) || defined(FEAT_MBYTE) || defined(PROTO)
1613 /*
1614 * If "fgetline" is get_loop_line(), return the cookie used by the original
1615 * getline function. Otherwise return "cookie".
1616 */
1617 void *
1618 getline_cookie(fgetline, cookie)
1619 char_u *(*fgetline) __ARGS((int, void *, int)) UNUSED;
1620 void *cookie; /* argument for fgetline() */
1621 {
1622 # ifdef FEAT_EVAL
1623 char_u *(*gp) __ARGS((int, void *, int));
1624 struct loop_cookie *cp;
1625
1626 /* When "fgetline" is "get_loop_line()" use the "cookie" to find the
1627 * cookie that's originally used to obtain the lines. This may be nested
1628 * several levels. */
1629 gp = fgetline;
1630 cp = (struct loop_cookie *)cookie;
1631 while (gp == get_loop_line)
1632 {
1633 gp = cp->getline;
1634 cp = cp->cookie;
1635 }
1636 return cp;
1637 # else
1638 return cookie;
1639 # endif
1640 }
1641 #endif
1642
1643 /*
1644 * Execute one Ex command.
1645 *
1646 * If 'sourcing' is TRUE, the command will be included in the error message.
1647 *
1648 * 1. skip comment lines and leading space
1649 * 2. handle command modifiers
1650 * 3. parse range
1651 * 4. parse command
1652 * 5. parse arguments
1653 * 6. switch on command name
1654 *
1655 * Note: "fgetline" can be NULL.
1656 *
1657 * This function may be called recursively!
1658 */
1659 #if (_MSC_VER == 1200)
1660 /*
1661 * Avoid optimisation bug in VC++ version 6.0
1662 */
1663 #pragma optimize( "g", off )
1664 #endif
1665 static char_u *
1666 do_one_cmd(cmdlinep, sourcing,
1667 #ifdef FEAT_EVAL
1668 cstack,
1669 #endif
1670 fgetline, cookie)
1671 char_u **cmdlinep;
1672 int sourcing;
1673 #ifdef FEAT_EVAL
1674 struct condstack *cstack;
1675 #endif
1676 char_u *(*fgetline) __ARGS((int, void *, int));
1677 void *cookie; /* argument for fgetline() */
1678 {
1679 char_u *p;
1680 linenr_T lnum;
1681 long n;
1682 char_u *errormsg = NULL; /* error message */
1683 exarg_T ea; /* Ex command arguments */
1684 long verbose_save = -1;
1685 int save_msg_scroll = msg_scroll;
1686 int save_msg_silent = -1;
1687 int did_esilent = 0;
1688 #ifdef HAVE_SANDBOX
1689 int did_sandbox = FALSE;
1690 #endif
1691 cmdmod_T save_cmdmod;
1692 int ni; /* set when Not Implemented */
1693
1694 vim_memset(&ea, 0, sizeof(ea));
1695 ea.line1 = 1;
1696 ea.line2 = 1;
1697 #ifdef FEAT_EVAL
1698 ++ex_nesting_level;
1699 #endif
1700
1701 /* when not editing the last file :q has to be typed twice */
1702 if (quitmore
1703 #ifdef FEAT_EVAL
1704 /* avoid that a function call in 'statusline' does this */
1705 && !getline_equal(fgetline, cookie, get_func_line)
1706 #endif
1707 )
1708 --quitmore;
1709
1710 /*
1711 * Reset browse, confirm, etc.. They are restored when returning, for
1712 * recursive calls.
1713 */
1714 save_cmdmod = cmdmod;
1715 vim_memset(&cmdmod, 0, sizeof(cmdmod));
1716
1717 /* "#!anything" is handled like a comment. */
1718 if ((*cmdlinep)[0] == '#' && (*cmdlinep)[1] == '!')
1719 goto doend;
1720
1721 /*
1722 * Repeat until no more command modifiers are found.
1723 */
1724 ea.cmd = *cmdlinep;
1725 for (;;)
1726 {
1727 /*
1728 * 1. skip comment lines and leading white space and colons
1729 */
1730 while (*ea.cmd == ' ' || *ea.cmd == '\t' || *ea.cmd == ':')
1731 ++ea.cmd;
1732
1733 /* in ex mode, an empty line works like :+ */
1734 if (*ea.cmd == NUL && exmode_active
1735 && (getline_equal(fgetline, cookie, getexmodeline)
1736 || getline_equal(fgetline, cookie, getexline))
1737 && curwin->w_cursor.lnum < curbuf->b_ml.ml_line_count)
1738 {
1739 ea.cmd = (char_u *)"+";
1740 ex_pressedreturn = TRUE;
1741 }
1742
1743 /* ignore comment and empty lines */
1744 if (*ea.cmd == '"')
1745 goto doend;
1746 if (*ea.cmd == NUL)
1747 {
1748 ex_pressedreturn = TRUE;
1749 goto doend;
1750 }
1751
1752 /*
1753 * 2. handle command modifiers.
1754 */
1755 p = ea.cmd;
1756 if (VIM_ISDIGIT(*ea.cmd))
1757 p = skipwhite(skipdigits(ea.cmd));
1758 switch (*p)
1759 {
1760 /* When adding an entry, also modify cmd_exists(). */
1761 case 'a': if (!checkforcmd(&ea.cmd, "aboveleft", 3))
1762 break;
1763 #ifdef FEAT_WINDOWS
1764 cmdmod.split |= WSP_ABOVE;
1765 #endif
1766 continue;
1767
1768 case 'b': if (checkforcmd(&ea.cmd, "belowright", 3))
1769 {
1770 #ifdef FEAT_WINDOWS
1771 cmdmod.split |= WSP_BELOW;
1772 #endif
1773 continue;
1774 }
1775 if (checkforcmd(&ea.cmd, "browse", 3))
1776 {
1777 #ifdef FEAT_BROWSE_CMD
1778 cmdmod.browse = TRUE;
1779 #endif
1780 continue;
1781 }
1782 if (!checkforcmd(&ea.cmd, "botright", 2))
1783 break;
1784 #ifdef FEAT_WINDOWS
1785 cmdmod.split |= WSP_BOT;
1786 #endif
1787 continue;
1788
1789 case 'c': if (!checkforcmd(&ea.cmd, "confirm", 4))
1790 break;
1791 #if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG)
1792 cmdmod.confirm = TRUE;
1793 #endif
1794 continue;
1795
1796 case 'k': if (checkforcmd(&ea.cmd, "keepmarks", 3))
1797 {
1798 cmdmod.keepmarks = TRUE;
1799 continue;
1800 }
1801 if (checkforcmd(&ea.cmd, "keepalt", 5))
1802 {
1803 cmdmod.keepalt = TRUE;
1804 continue;
1805 }
1806 if (!checkforcmd(&ea.cmd, "keepjumps", 5))
1807 break;
1808 cmdmod.keepjumps = TRUE;
1809 continue;
1810
1811 /* ":hide" and ":hide | cmd" are not modifiers */
1812 case 'h': if (p != ea.cmd || !checkforcmd(&p, "hide", 3)
1813 || *p == NUL || ends_excmd(*p))
1814 break;
1815 ea.cmd = p;
1816 cmdmod.hide = TRUE;
1817 continue;
1818
1819 case 'l': if (checkforcmd(&ea.cmd, "lockmarks", 3))
1820 {
1821 cmdmod.lockmarks = TRUE;
1822 continue;
1823 }
1824
1825 if (!checkforcmd(&ea.cmd, "leftabove", 5))
1826 break;
1827 #ifdef FEAT_WINDOWS
1828 cmdmod.split |= WSP_ABOVE;
1829 #endif
1830 continue;
1831
1832 case 'n': if (!checkforcmd(&ea.cmd, "noautocmd", 3))
1833 break;
1834 #ifdef FEAT_AUTOCMD
1835 if (cmdmod.save_ei == NULL)
1836 {
1837 /* Set 'eventignore' to "all". Restore the
1838 * existing option value later. */
1839 cmdmod.save_ei = vim_strsave(p_ei);
1840 set_string_option_direct((char_u *)"ei", -1,
1841 (char_u *)"all", OPT_FREE, SID_NONE);
1842 }
1843 #endif
1844 continue;
1845
1846 case 'r': if (!checkforcmd(&ea.cmd, "rightbelow", 6))
1847 break;
1848 #ifdef FEAT_WINDOWS
1849 cmdmod.split |= WSP_BELOW;
1850 #endif
1851 continue;
1852
1853 case 's': if (checkforcmd(&ea.cmd, "sandbox", 3))
1854 {
1855 #ifdef HAVE_SANDBOX
1856 if (!did_sandbox)
1857 ++sandbox;
1858 did_sandbox = TRUE;
1859 #endif
1860 continue;
1861 }
1862 if (!checkforcmd(&ea.cmd, "silent", 3))
1863 break;
1864 if (save_msg_silent == -1)
1865 save_msg_silent = msg_silent;
1866 ++msg_silent;
1867 if (*ea.cmd == '!' && !vim_iswhite(ea.cmd[-1]))
1868 {
1869 /* ":silent!", but not "silent !cmd" */
1870 ea.cmd = skipwhite(ea.cmd + 1);
1871 ++emsg_silent;
1872 ++did_esilent;
1873 }
1874 continue;
1875
1876 case 't': if (checkforcmd(&p, "tab", 3))
1877 {
1878 #ifdef FEAT_WINDOWS
1879 if (vim_isdigit(*ea.cmd))
1880 cmdmod.tab = atoi((char *)ea.cmd) + 1;
1881 else
1882 cmdmod.tab = tabpage_index(curtab) + 1;
1883 ea.cmd = p;
1884 #endif
1885 continue;
1886 }
1887 if (!checkforcmd(&ea.cmd, "topleft", 2))
1888 break;
1889 #ifdef FEAT_WINDOWS
1890 cmdmod.split |= WSP_TOP;
1891 #endif
1892 continue;
1893
1894 case 'u': if (!checkforcmd(&ea.cmd, "unsilent", 3))
1895 break;
1896 if (save_msg_silent == -1)
1897 save_msg_silent = msg_silent;
1898 msg_silent = 0;
1899 continue;
1900
1901 case 'v': if (checkforcmd(&ea.cmd, "vertical", 4))
1902 {
1903 #ifdef FEAT_VERTSPLIT
1904 cmdmod.split |= WSP_VERT;
1905 #endif
1906 continue;
1907 }
1908 if (!checkforcmd(&p, "verbose", 4))
1909 break;
1910 if (verbose_save < 0)
1911 verbose_save = p_verbose;
1912 if (vim_isdigit(*ea.cmd))
1913 p_verbose = atoi((char *)ea.cmd);
1914 else
1915 p_verbose = 1;
1916 ea.cmd = p;
1917 continue;
1918 }
1919 break;
1920 }
1921
1922 #ifdef FEAT_EVAL
1923 ea.skip = did_emsg || got_int || did_throw || (cstack->cs_idx >= 0
1924 && !(cstack->cs_flags[cstack->cs_idx] & CSF_ACTIVE));
1925 #else
1926 ea.skip = (if_level > 0);
1927 #endif
1928
1929 #ifdef FEAT_EVAL
1930 # ifdef FEAT_PROFILE
1931 /* Count this line for profiling if ea.skip is FALSE. */
1932 if (do_profiling == PROF_YES && !ea.skip)
1933 {
1934 if (getline_equal(fgetline, cookie, get_func_line))
1935 func_line_exec(getline_cookie(fgetline, cookie));
1936 else if (getline_equal(fgetline, cookie, getsourceline))
1937 script_line_exec();
1938 }
1939 #endif
1940
1941 /* May go to debug mode. If this happens and the ">quit" debug command is
1942 * used, throw an interrupt exception and skip the next command. */
1943 dbg_check_breakpoint(&ea);
1944 if (!ea.skip && got_int)
1945 {
1946 ea.skip = TRUE;
1947 (void)do_intthrow(cstack);
1948 }
1949 #endif
1950
1951 /*
1952 * 3. parse a range specifier of the form: addr [,addr] [;addr] ..
1953 *
1954 * where 'addr' is:
1955 *
1956 * % (entire file)
1957 * $ [+-NUM]
1958 * 'x [+-NUM] (where x denotes a currently defined mark)
1959 * . [+-NUM]
1960 * [+-NUM]..
1961 * NUM
1962 *
1963 * The ea.cmd pointer is updated to point to the first character following the
1964 * range spec. If an initial address is found, but no second, the upper bound
1965 * is equal to the lower.
1966 */
1967
1968 /* repeat for all ',' or ';' separated addresses */
1969 for (;;)
1970 {
1971 ea.line1 = ea.line2;
1972 ea.line2 = curwin->w_cursor.lnum; /* default is current line number */
1973 ea.cmd = skipwhite(ea.cmd);
1974 lnum = get_address(&ea.cmd, ea.skip, ea.addr_count == 0);
1975 if (ea.cmd == NULL) /* error detected */
1976 goto doend;
1977 if (lnum == MAXLNUM)
1978 {
1979 if (*ea.cmd == '%') /* '%' - all lines */
1980 {
1981 ++ea.cmd;
1982 ea.line1 = 1;
1983 ea.line2 = curbuf->b_ml.ml_line_count;
1984 ++ea.addr_count;
1985 }
1986 /* '*' - visual area */
1987 else if (*ea.cmd == '*' && vim_strchr(p_cpo, CPO_STAR) == NULL)
1988 {
1989 pos_T *fp;
1990
1991 ++ea.cmd;
1992 if (!ea.skip)
1993 {
1994 fp = getmark('<', FALSE);
1995 if (check_mark(fp) == FAIL)
1996 goto doend;
1997 ea.line1 = fp->lnum;
1998 fp = getmark('>', FALSE);
1999 if (check_mark(fp) == FAIL)
2000 goto doend;
2001 ea.line2 = fp->lnum;
2002 ++ea.addr_count;
2003 }
2004 }
2005 }
2006 else
2007 ea.line2 = lnum;
2008 ea.addr_count++;
2009
2010 if (*ea.cmd == ';')
2011 {
2012 if (!ea.skip)
2013 curwin->w_cursor.lnum = ea.line2;
2014 }
2015 else if (*ea.cmd != ',')
2016 break;
2017 ++ea.cmd;
2018 }
2019
2020 /* One address given: set start and end lines */
2021 if (ea.addr_count == 1)
2022 {
2023 ea.line1 = ea.line2;
2024 /* ... but only implicit: really no address given */
2025 if (lnum == MAXLNUM)
2026 ea.addr_count = 0;
2027 }
2028
2029 /* Don't leave the cursor on an illegal line (caused by ';') */
2030 check_cursor_lnum();
2031
2032 /*
2033 * 4. parse command
2034 */
2035
2036 /*
2037 * Skip ':' and any white space
2038 */
2039 ea.cmd = skipwhite(ea.cmd);
2040 while (*ea.cmd == ':')
2041 ea.cmd = skipwhite(ea.cmd + 1);
2042
2043 /*
2044 * If we got a line, but no command, then go to the line.
2045 * If we find a '|' or '\n' we set ea.nextcmd.
2046 */
2047 if (*ea.cmd == NUL || *ea.cmd == '"' ||
2048 (ea.nextcmd = check_nextcmd(ea.cmd)) != NULL)
2049 {
2050 /*
2051 * strange vi behaviour:
2052 * ":3" jumps to line 3
2053 * ":3|..." prints line 3
2054 * ":|" prints current line
2055 */
2056 if (ea.skip) /* skip this if inside :if */
2057 goto doend;
2058 if (*ea.cmd == '|' || (exmode_active && ea.line1 != ea.line2))
2059 {
2060 ea.cmdidx = CMD_print;
2061 ea.argt = RANGE+COUNT+TRLBAR;
2062 if ((errormsg = invalid_range(&ea)) == NULL)
2063 {
2064 correct_range(&ea);
2065 ex_print(&ea);
2066 }
2067 }
2068 else if (ea.addr_count != 0)
2069 {
2070 if (ea.line2 > curbuf->b_ml.ml_line_count)
2071 {
2072 /* With '-' in 'cpoptions' a line number past the file is an
2073 * error, otherwise put it at the end of the file. */
2074 if (vim_strchr(p_cpo, CPO_MINUS) != NULL)
2075 ea.line2 = -1;
2076 else
2077 ea.line2 = curbuf->b_ml.ml_line_count;
2078 }
2079
2080 if (ea.line2 < 0)
2081 errormsg = (char_u *)_(e_invrange);
2082 else
2083 {
2084 if (ea.line2 == 0)
2085 curwin->w_cursor.lnum = 1;
2086 else
2087 curwin->w_cursor.lnum = ea.line2;
2088 beginline(BL_SOL | BL_FIX);
2089 }
2090 }
2091 goto doend;
2092 }
2093
2094 /* Find the command and let "p" point to after it. */
2095 p = find_command(&ea, NULL);
2096
2097 #ifdef FEAT_USR_CMDS
2098 if (p == NULL)
2099 {
2100 if (!ea.skip)
2101 errormsg = (char_u *)_("E464: Ambiguous use of user-defined command");
2102 goto doend;
2103 }
2104 /* Check for wrong commands. */
2105 if (*p == '!' && ea.cmd[1] == 0151 && ea.cmd[0] == 78)
2106 {
2107 errormsg = uc_fun_cmd();
2108 goto doend;
2109 }
2110 #endif
2111 if (ea.cmdidx == CMD_SIZE)
2112 {
2113 if (!ea.skip)
2114 {
2115 STRCPY(IObuff, _("E492: Not an editor command"));
2116 if (!sourcing)
2117 {
2118 STRCAT(IObuff, ": ");
2119 STRNCAT(IObuff, *cmdlinep, 40);
2120 }
2121 errormsg = IObuff;
2122 }
2123 goto doend;
2124 }
2125
2126 ni = (
2127 #ifdef FEAT_USR_CMDS
2128 !USER_CMDIDX(ea.cmdidx) &&
2129 #endif
2130 (cmdnames[ea.cmdidx].cmd_func == ex_ni
2131 #ifdef HAVE_EX_SCRIPT_NI
2132 || cmdnames[ea.cmdidx].cmd_func == ex_script_ni
2133 #endif
2134 ));
2135
2136 #ifndef FEAT_EVAL
2137 /*
2138 * When the expression evaluation is disabled, recognize the ":if" and
2139 * ":endif" commands and ignore everything in between it.
2140 */
2141 if (ea.cmdidx == CMD_if)
2142 ++if_level;
2143 if (if_level)
2144 {
2145 if (ea.cmdidx == CMD_endif)
2146 --if_level;
2147 goto doend;
2148 }
2149
2150 #endif
2151
2152 /* forced commands */
2153 if (*p == '!' && ea.cmdidx != CMD_substitute
2154 && ea.cmdidx != CMD_smagic && ea.cmdidx != CMD_snomagic)
2155 {
2156 ++p;
2157 ea.forceit = TRUE;
2158 }
2159 else
2160 ea.forceit = FALSE;
2161
2162 /*
2163 * 5. parse arguments
2164 */
2165 #ifdef FEAT_USR_CMDS
2166 if (!USER_CMDIDX(ea.cmdidx))
2167 #endif
2168 ea.argt = (long)cmdnames[(int)ea.cmdidx].cmd_argt;
2169
2170 if (!ea.skip)
2171 {
2172 #ifdef HAVE_SANDBOX
2173 if (sandbox != 0 && !(ea.argt & SBOXOK))
2174 {
2175 /* Command not allowed in sandbox. */
2176 errormsg = (char_u *)_(e_sandbox);
2177 goto doend;
2178 }
2179 #endif
2180 if (!curbuf->b_p_ma && (ea.argt & MODIFY))
2181 {
2182 /* Command not allowed in non-'modifiable' buffer */
2183 errormsg = (char_u *)_(e_modifiable);
2184 goto doend;
2185 }
2186
2187 if (text_locked() && !(ea.argt & CMDWIN)
2188 # ifdef FEAT_USR_CMDS
2189 && !USER_CMDIDX(ea.cmdidx)
2190 # endif
2191 )
2192 {
2193 /* Command not allowed when editing the command line. */
2194 #ifdef FEAT_CMDWIN
2195 if (cmdwin_type != 0)
2196 errormsg = (char_u *)_(e_cmdwin);
2197 else
2198 #endif
2199 errormsg = (char_u *)_(e_secure);
2200 goto doend;
2201 }
2202 #ifdef FEAT_AUTOCMD
2203 /* Disallow editing another buffer when "curbuf_lock" is set.
2204 * Do allow ":edit" (check for argument later).
2205 * Do allow ":checktime" (it's postponed). */
2206 if (!(ea.argt & CMDWIN)
2207 && ea.cmdidx != CMD_edit
2208 && ea.cmdidx != CMD_checktime
2209 # ifdef FEAT_USR_CMDS
2210 && !USER_CMDIDX(ea.cmdidx)
2211 # endif
2212 && curbuf_locked())
2213 goto doend;
2214 #endif
2215
2216 if (!ni && !(ea.argt & RANGE) && ea.addr_count > 0)
2217 {
2218 /* no range allowed */
2219 errormsg = (char_u *)_(e_norange);
2220 goto doend;
2221 }
2222 }
2223
2224 if (!ni && !(ea.argt & BANG) && ea.forceit) /* no <!> allowed */
2225 {
2226 errormsg = (char_u *)_(e_nobang);
2227 goto doend;
2228 }
2229
2230 /*
2231 * Don't complain about the range if it is not used
2232 * (could happen if line_count is accidentally set to 0).
2233 */
2234 if (!ea.skip && !ni)
2235 {
2236 /*
2237 * If the range is backwards, ask for confirmation and, if given, swap
2238 * ea.line1 & ea.line2 so it's forwards again.
2239 * When global command is busy, don't ask, will fail below.
2240 */
2241 if (!global_busy && ea.line1 > ea.line2)
2242 {
2243 if (msg_silent == 0)
2244 {
2245 if (sourcing || exmode_active)
2246 {
2247 errormsg = (char_u *)_("E493: Backwards range given");
2248 goto doend;
2249 }
2250 if (ask_yesno((char_u *)
2251 _("Backwards range given, OK to swap"), FALSE) != 'y')
2252 goto doend;
2253 }
2254 lnum = ea.line1;
2255 ea.line1 = ea.line2;
2256 ea.line2 = lnum;
2257 }
2258 if ((errormsg = invalid_range(&ea)) != NULL)
2259 goto doend;
2260 }
2261
2262 if ((ea.argt & NOTADR) && ea.addr_count == 0) /* default is 1, not cursor */
2263 ea.line2 = 1;
2264
2265 correct_range(&ea);
2266
2267 #ifdef FEAT_FOLDING
2268 if (((ea.argt & WHOLEFOLD) || ea.addr_count >= 2) && !global_busy)
2269 {
2270 /* Put the first line at the start of a closed fold, put the last line
2271 * at the end of a closed fold. */
2272 (void)hasFolding(ea.line1, &ea.line1, NULL);
2273 (void)hasFolding(ea.line2, NULL, &ea.line2);
2274 }
2275 #endif
2276
2277 #ifdef FEAT_QUICKFIX
2278 /*
2279 * For the ":make" and ":grep" commands we insert the 'makeprg'/'grepprg'
2280 * option here, so things like % get expanded.
2281 */
2282 p = replace_makeprg(&ea, p, cmdlinep);
2283 if (p == NULL)
2284 goto doend;
2285 #endif
2286
2287 /*
2288 * Skip to start of argument.
2289 * Don't do this for the ":!" command, because ":!! -l" needs the space.
2290 */
2291 if (ea.cmdidx == CMD_bang)
2292 ea.arg = p;
2293 else
2294 ea.arg = skipwhite(p);
2295
2296 /*
2297 * Check for "++opt=val" argument.
2298 * Must be first, allow ":w ++enc=utf8 !cmd"
2299 */
2300 if (ea.argt & ARGOPT)
2301 while (ea.arg[0] == '+' && ea.arg[1] == '+')
2302 if (getargopt(&ea) == FAIL && !ni)
2303 {
2304 errormsg = (char_u *)_(e_invarg);
2305 goto doend;
2306 }
2307
2308 if (ea.cmdidx == CMD_write || ea.cmdidx == CMD_update)
2309 {
2310 if (*ea.arg == '>') /* append */
2311 {
2312 if (*++ea.arg != '>') /* typed wrong */
2313 {
2314 errormsg = (char_u *)_("E494: Use w or w>>");
2315 goto doend;
2316 }
2317 ea.arg = skipwhite(ea.arg + 1);
2318 ea.append = TRUE;
2319 }
2320 else if (*ea.arg == '!' && ea.cmdidx == CMD_write) /* :w !filter */
2321 {
2322 ++ea.arg;
2323 ea.usefilter = TRUE;
2324 }
2325 }
2326
2327 if (ea.cmdidx == CMD_read)
2328 {
2329 if (ea.forceit)
2330 {
2331 ea.usefilter = TRUE; /* :r! filter if ea.forceit */
2332 ea.forceit = FALSE;
2333 }
2334 else if (*ea.arg == '!') /* :r !filter */
2335 {
2336 ++ea.arg;
2337 ea.usefilter = TRUE;
2338 }
2339 }
2340
2341 if (ea.cmdidx == CMD_lshift || ea.cmdidx == CMD_rshift)
2342 {
2343 ea.amount = 1;
2344 while (*ea.arg == *ea.cmd) /* count number of '>' or '<' */
2345 {
2346 ++ea.arg;
2347 ++ea.amount;
2348 }
2349 ea.arg = skipwhite(ea.arg);
2350 }
2351
2352 /*
2353 * Check for "+command" argument, before checking for next command.
2354 * Don't do this for ":read !cmd" and ":write !cmd".
2355 */
2356 if ((ea.argt & EDITCMD) && !ea.usefilter)
2357 ea.do_ecmd_cmd = getargcmd(&ea.arg);
2358
2359 /*
2360 * Check for '|' to separate commands and '"' to start comments.
2361 * Don't do this for ":read !cmd" and ":write !cmd".
2362 */
2363 if ((ea.argt & TRLBAR) && !ea.usefilter)
2364 separate_nextcmd(&ea);
2365
2366 /*
2367 * Check for <newline> to end a shell command.
2368 * Also do this for ":read !cmd", ":write !cmd" and ":global".
2369 * Any others?
2370 */
2371 else if (ea.cmdidx == CMD_bang
2372 || ea.cmdidx == CMD_global
2373 || ea.cmdidx == CMD_vglobal
2374 || ea.usefilter)
2375 {
2376 for (p = ea.arg; *p; ++p)
2377 {
2378 /* Remove one backslash before a newline, so that it's possible to
2379 * pass a newline to the shell and also a newline that is preceded
2380 * with a backslash. This makes it impossible to end a shell
2381 * command in a backslash, but that doesn't appear useful.
2382 * Halving the number of backslashes is incompatible with previous
2383 * versions. */
2384 if (*p == '\\' && p[1] == '\n')
2385 STRMOVE(p, p + 1);
2386 else if (*p == '\n')
2387 {
2388 ea.nextcmd = p + 1;
2389 *p = NUL;
2390 break;
2391 }
2392 }
2393 }
2394
2395 if ((ea.argt & DFLALL) && ea.addr_count == 0)
2396 {
2397 ea.line1 = 1;
2398 ea.line2 = curbuf->b_ml.ml_line_count;
2399 }
2400
2401 /* accept numbered register only when no count allowed (:put) */
2402 if ( (ea.argt & REGSTR)
2403 && *ea.arg != NUL
2404 #ifdef FEAT_USR_CMDS
2405 && valid_yank_reg(*ea.arg, (ea.cmdidx != CMD_put
2406 && USER_CMDIDX(ea.cmdidx)))
2407 /* Do not allow register = for user commands */
2408 && (!USER_CMDIDX(ea.cmdidx) || *ea.arg != '=')
2409 #else
2410 && valid_yank_reg(*ea.arg, ea.cmdidx != CMD_put)
2411 #endif
2412 && !((ea.argt & COUNT) && VIM_ISDIGIT(*ea.arg)))
2413 {
2414 ea.regname = *ea.arg++;
2415 #ifdef FEAT_EVAL
2416 /* for '=' register: accept the rest of the line as an expression */
2417 if (ea.arg[-1] == '=' && ea.arg[0] != NUL)
2418 {
2419 set_expr_line(vim_strsave(ea.arg));
2420 ea.arg += STRLEN(ea.arg);
2421 }
2422 #endif
2423 ea.arg = skipwhite(ea.arg);
2424 }
2425
2426 /*
2427 * Check for a count. When accepting a BUFNAME, don't use "123foo" as a
2428 * count, it's a buffer name.
2429 */
2430 if ((ea.argt & COUNT) && VIM_ISDIGIT(*ea.arg)
2431 && (!(ea.argt & BUFNAME) || *(p = skipdigits(ea.arg)) == NUL
2432 || vim_iswhite(*p)))
2433 {
2434 n = getdigits(&ea.arg);
2435 ea.arg = skipwhite(ea.arg);
2436 if (n <= 0 && !ni && (ea.argt & ZEROR) == 0)
2437 {
2438 errormsg = (char_u *)_(e_zerocount);
2439 goto doend;
2440 }
2441 if (ea.argt & NOTADR) /* e.g. :buffer 2, :sleep 3 */
2442 {
2443 ea.line2 = n;
2444 if (ea.addr_count == 0)
2445 ea.addr_count = 1;
2446 }
2447 else
2448 {
2449 ea.line1 = ea.line2;
2450 ea.line2 += n - 1;
2451 ++ea.addr_count;
2452 /*
2453 * Be vi compatible: no error message for out of range.
2454 */
2455 if (ea.line2 > curbuf->b_ml.ml_line_count)
2456 ea.line2 = curbuf->b_ml.ml_line_count;
2457 }
2458 }
2459
2460 /*
2461 * Check for flags: 'l', 'p' and '#'.
2462 */
2463 if (ea.argt & EXFLAGS)
2464 get_flags(&ea);
2465 /* no arguments allowed */
2466 if (!ni && !(ea.argt & EXTRA) && *ea.arg != NUL
2467 && *ea.arg != '"' && (*ea.arg != '|' || (ea.argt & TRLBAR) == 0))
2468 {
2469 errormsg = (char_u *)_(e_trailing);
2470 goto doend;
2471 }
2472
2473 if (!ni && (ea.argt & NEEDARG) && *ea.arg == NUL)
2474 {
2475 errormsg = (char_u *)_(e_argreq);
2476 goto doend;
2477 }
2478
2479 #ifdef FEAT_EVAL
2480 /*
2481 * Skip the command when it's not going to be executed.
2482 * The commands like :if, :endif, etc. always need to be executed.
2483 * Also make an exception for commands that handle a trailing command
2484 * themselves.
2485 */
2486 if (ea.skip)
2487 {
2488 switch (ea.cmdidx)
2489 {
2490 /* commands that need evaluation */
2491 case CMD_while:
2492 case CMD_endwhile:
2493 case CMD_for:
2494 case CMD_endfor:
2495 case CMD_if:
2496 case CMD_elseif:
2497 case CMD_else:
2498 case CMD_endif:
2499 case CMD_try:
2500 case CMD_catch:
2501 case CMD_finally:
2502 case CMD_endtry:
2503 case CMD_function:
2504 break;
2505
2506 /* Commands that handle '|' themselves. Check: A command should
2507 * either have the TRLBAR flag, appear in this list or appear in
2508 * the list at ":help :bar". */
2509 case CMD_aboveleft:
2510 case CMD_and:
2511 case CMD_belowright:
2512 case CMD_botright:
2513 case CMD_browse:
2514 case CMD_call:
2515 case CMD_confirm:
2516 case CMD_delfunction:
2517 case CMD_djump:
2518 case CMD_dlist:
2519 case CMD_dsearch:
2520 case CMD_dsplit:
2521 case CMD_echo:
2522 case CMD_echoerr:
2523 case CMD_echomsg:
2524 case CMD_echon:
2525 case CMD_execute:
2526 case CMD_help:
2527 case CMD_hide:
2528 case CMD_ijump:
2529 case CMD_ilist:
2530 case CMD_isearch:
2531 case CMD_isplit:
2532 case CMD_keepalt:
2533 case CMD_keepjumps:
2534 case CMD_keepmarks:
2535 case CMD_leftabove:
2536 case CMD_let:
2537 case CMD_lockmarks:
2538 case CMD_lua:
2539 case CMD_match:
2540 case CMD_mzscheme:
2541 case CMD_perl:
2542 case CMD_psearch:
2543 case CMD_python:
2544 case CMD_return:
2545 case CMD_rightbelow:
2546 case CMD_ruby:
2547 case CMD_silent:
2548 case CMD_smagic:
2549 case CMD_snomagic:
2550 case CMD_substitute:
2551 case CMD_syntax:
2552 case CMD_tab:
2553 case CMD_tcl:
2554 case CMD_throw:
2555 case CMD_tilde:
2556 case CMD_topleft:
2557 case CMD_unlet:
2558 case CMD_verbose:
2559 case CMD_vertical:
2560 break;
2561
2562 default: goto doend;
2563 }
2564 }
2565 #endif
2566
2567 if (ea.argt & XFILE)
2568 {
2569 if (expand_filename(&ea, cmdlinep, &errormsg) == FAIL)
2570 goto doend;
2571 }
2572
2573 #ifdef FEAT_LISTCMDS
2574 /*
2575 * Accept buffer name. Cannot be used at the same time with a buffer
2576 * number. Don't do this for a user command.
2577 */
2578 if ((ea.argt & BUFNAME) && *ea.arg != NUL && ea.addr_count == 0
2579 # ifdef FEAT_USR_CMDS
2580 && !USER_CMDIDX(ea.cmdidx)
2581 # endif
2582 )
2583 {
2584 /*
2585 * :bdelete, :bwipeout and :bunload take several arguments, separated
2586 * by spaces: find next space (skipping over escaped characters).
2587 * The others take one argument: ignore trailing spaces.
2588 */
2589 if (ea.cmdidx == CMD_bdelete || ea.cmdidx == CMD_bwipeout
2590 || ea.cmdidx == CMD_bunload)
2591 p = skiptowhite_esc(ea.arg);
2592 else
2593 {
2594 p = ea.arg + STRLEN(ea.arg);
2595 while (p > ea.arg && vim_iswhite(p[-1]))
2596 --p;
2597 }
2598 ea.line2 = buflist_findpat(ea.arg, p, (ea.argt & BUFUNL) != 0, FALSE);
2599 if (ea.line2 < 0) /* failed */
2600 goto doend;
2601 ea.addr_count = 1;
2602 ea.arg = skipwhite(p);
2603 }
2604 #endif
2605
2606 /*
2607 * 6. switch on command name
2608 *
2609 * The "ea" structure holds the arguments that can be used.
2610 */
2611 ea.cmdlinep = cmdlinep;
2612 ea.getline = fgetline;
2613 ea.cookie = cookie;
2614 #ifdef FEAT_EVAL
2615 ea.cstack = cstack;
2616 #endif
2617
2618 #ifdef FEAT_USR_CMDS
2619 if (USER_CMDIDX(ea.cmdidx))
2620 {
2621 /*
2622 * Execute a user-defined command.
2623 */
2624 do_ucmd(&ea);
2625 }
2626 else
2627 #endif
2628 {
2629 /*
2630 * Call the function to execute the command.
2631 */
2632 ea.errmsg = NULL;
2633 (cmdnames[ea.cmdidx].cmd_func)(&ea);
2634 if (ea.errmsg != NULL)
2635 errormsg = (char_u *)_(ea.errmsg);
2636 }
2637
2638 #ifdef FEAT_EVAL
2639 /*
2640 * If the command just executed called do_cmdline(), any throw or ":return"
2641 * or ":finish" encountered there must also check the cstack of the still
2642 * active do_cmdline() that called this do_one_cmd(). Rethrow an uncaught
2643 * exception, or reanimate a returned function or finished script file and
2644 * return or finish it again.
2645 */
2646 if (need_rethrow)
2647 do_throw(cstack);
2648 else if (check_cstack)
2649 {
2650 if (source_finished(fgetline, cookie))
2651 do_finish(&ea, TRUE);
2652 else if (getline_equal(fgetline, cookie, get_func_line)
2653 && current_func_returned())
2654 do_return(&ea, TRUE, FALSE, NULL);
2655 }
2656 need_rethrow = check_cstack = FALSE;
2657 #endif
2658
2659 doend:
2660 if (curwin->w_cursor.lnum == 0) /* can happen with zero line number */
2661 curwin->w_cursor.lnum = 1;
2662
2663 if (errormsg != NULL && *errormsg != NUL && !did_emsg)
2664 {
2665 if (sourcing)
2666 {
2667 if (errormsg != IObuff)
2668 {
2669 STRCPY(IObuff, errormsg);
2670 errormsg = IObuff;
2671 }
2672 STRCAT(errormsg, ": ");
2673 STRNCAT(errormsg, *cmdlinep, IOSIZE - STRLEN(IObuff) - 1);
2674 }
2675 emsg(errormsg);
2676 }
2677 #ifdef FEAT_EVAL
2678 do_errthrow(cstack,
2679 (ea.cmdidx != CMD_SIZE
2680 # ifdef FEAT_USR_CMDS
2681 && !USER_CMDIDX(ea.cmdidx)
2682 # endif
2683 ) ? cmdnames[(int)ea.cmdidx].cmd_name : (char_u *)NULL);
2684 #endif
2685
2686 if (verbose_save >= 0)
2687 p_verbose = verbose_save;
2688 #ifdef FEAT_AUTOCMD
2689 if (cmdmod.save_ei != NULL)
2690 {
2691 /* Restore 'eventignore' to the value before ":noautocmd". */
2692 set_string_option_direct((char_u *)"ei", -1, cmdmod.save_ei,
2693 OPT_FREE, SID_NONE);
2694 free_string_option(cmdmod.save_ei);
2695 }
2696 #endif
2697
2698 cmdmod = save_cmdmod;
2699
2700 if (save_msg_silent != -1)
2701 {
2702 /* messages could be enabled for a serious error, need to check if the
2703 * counters don't become negative */
2704 if (!did_emsg || msg_silent > save_msg_silent)
2705 msg_silent = save_msg_silent;
2706 emsg_silent -= did_esilent;
2707 if (emsg_silent < 0)
2708 emsg_silent = 0;
2709 /* Restore msg_scroll, it's set by file I/O commands, even when no
2710 * message is actually displayed. */
2711 msg_scroll = save_msg_scroll;
2712
2713 /* "silent reg" or "silent echo x" inside "redir" leaves msg_col
2714 * somewhere in the line. Put it back in the first column. */
2715 if (redirecting())
2716 msg_col = 0;
2717 }
2718
2719 #ifdef HAVE_SANDBOX
2720 if (did_sandbox)
2721 --sandbox;
2722 #endif
2723
2724 if (ea.nextcmd && *ea.nextcmd == NUL) /* not really a next command */
2725 ea.nextcmd = NULL;
2726
2727 #ifdef FEAT_EVAL
2728 --ex_nesting_level;
2729 #endif
2730
2731 return ea.nextcmd;
2732 }
2733 #if (_MSC_VER == 1200)
2734 #pragma optimize( "", on )
2735 #endif
2736
2737 /*
2738 * Check for an Ex command with optional tail.
2739 * If there is a match advance "pp" to the argument and return TRUE.
2740 */
2741 int
2742 checkforcmd(pp, cmd, len)
2743 char_u **pp; /* start of command */
2744 char *cmd; /* name of command */
2745 int len; /* required length */
2746 {
2747 int i;
2748
2749 for (i = 0; cmd[i] != NUL; ++i)
2750 if (((char_u *)cmd)[i] != (*pp)[i])
2751 break;
2752 if (i >= len && !isalpha((*pp)[i]))
2753 {
2754 *pp = skipwhite(*pp + i);
2755 return TRUE;
2756 }
2757 return FALSE;
2758 }
2759
2760 /*
2761 * Find an Ex command by its name, either built-in or user.
2762 * Start of the name can be found at eap->cmd.
2763 * Returns pointer to char after the command name.
2764 * "full" is set to TRUE if the whole command name matched.
2765 * Returns NULL for an ambiguous user command.
2766 */
2767 static char_u *
2768 find_command(eap, full)
2769 exarg_T *eap;
2770 int *full UNUSED;
2771 {
2772 int len;
2773 char_u *p;
2774 int i;
2775
2776 /*
2777 * Isolate the command and search for it in the command table.
2778 * Exceptions:
2779 * - the 'k' command can directly be followed by any character.
2780 * - the 's' command can be followed directly by 'c', 'g', 'i', 'I' or 'r'
2781 * but :sre[wind] is another command, as are :scrip[tnames],
2782 * :scs[cope], :sim[alt], :sig[ns] and :sil[ent].
2783 * - the "d" command can directly be followed by 'l' or 'p' flag.
2784 */
2785 p = eap->cmd;
2786 if (*p == 'k')
2787 {
2788 eap->cmdidx = CMD_k;
2789 ++p;
2790 }
2791 else if (p[0] == 's'
2792 && ((p[1] == 'c' && p[2] != 's' && p[2] != 'r'
2793 && p[3] != 'i' && p[4] != 'p')
2794 || p[1] == 'g'
2795 || (p[1] == 'i' && p[2] != 'm' && p[2] != 'l' && p[2] != 'g')
2796 || p[1] == 'I'
2797 || (p[1] == 'r' && p[2] != 'e')))
2798 {
2799 eap->cmdidx = CMD_substitute;
2800 ++p;
2801 }
2802 else
2803 {
2804 while (ASCII_ISALPHA(*p))
2805 ++p;
2806 /* check for non-alpha command */
2807 if (p == eap->cmd && vim_strchr((char_u *)"@*!=><&~#", *p) != NULL)
2808 ++p;
2809 len = (int)(p - eap->cmd);
2810 if (*eap->cmd == 'd' && (p[-1] == 'l' || p[-1] == 'p'))
2811 {
2812 /* Check for ":dl", ":dell", etc. to ":deletel": that's
2813 * :delete with the 'l' flag. Same for 'p'. */
2814 for (i = 0; i < len; ++i)
2815 if (eap->cmd[i] != ((char_u *)"delete")[i])
2816 break;
2817 if (i == len - 1)
2818 {
2819 --len;
2820 if (p[-1] == 'l')
2821 eap->flags |= EXFLAG_LIST;
2822 else
2823 eap->flags |= EXFLAG_PRINT;
2824 }
2825 }
2826
2827 if (ASCII_ISLOWER(*eap->cmd))
2828 eap->cmdidx = cmdidxs[CharOrdLow(*eap->cmd)];
2829 else
2830 eap->cmdidx = cmdidxs[26];
2831
2832 for ( ; (int)eap->cmdidx < (int)CMD_SIZE;
2833 eap->cmdidx = (cmdidx_T)((int)eap->cmdidx + 1))
2834 if (STRNCMP(cmdnames[(int)eap->cmdidx].cmd_name, (char *)eap->cmd,
2835 (size_t)len) == 0)
2836 {
2837 #ifdef FEAT_EVAL
2838 if (full != NULL
2839 && cmdnames[(int)eap->cmdidx].cmd_name[len] == NUL)
2840 *full = TRUE;
2841 #endif
2842 break;
2843 }
2844
2845 #ifdef FEAT_USR_CMDS
2846 /* Look for a user defined command as a last resort */
2847 if (eap->cmdidx == CMD_SIZE && *eap->cmd >= 'A' && *eap->cmd <= 'Z')
2848 {
2849 /* User defined commands may contain digits. */
2850 while (ASCII_ISALNUM(*p))
2851 ++p;
2852 p = find_ucmd(eap, p, full, NULL, NULL);
2853 }
2854 #endif
2855 if (p == eap->cmd)
2856 eap->cmdidx = CMD_SIZE;
2857 }
2858
2859 return p;
2860 }
2861
2862 #ifdef FEAT_USR_CMDS
2863 /*
2864 * Search for a user command that matches "eap->cmd".
2865 * Return cmdidx in "eap->cmdidx", flags in "eap->argt", idx in "eap->useridx".
2866 * Return a pointer to just after the command.
2867 * Return NULL if there is no matching command.
2868 */
2869 static char_u *
2870 find_ucmd(eap, p, full, xp, compl)
2871 exarg_T *eap;
2872 char_u *p; /* end of the command (possibly including count) */
2873 int *full; /* set to TRUE for a full match */
2874 expand_T *xp; /* used for completion, NULL otherwise */
2875 int *compl; /* completion flags or NULL */
2876 {
2877 int len = (int)(p - eap->cmd);
2878 int j, k, matchlen = 0;
2879 ucmd_T *uc;
2880 int found = FALSE;
2881 int possible = FALSE;
2882 char_u *cp, *np; /* Point into typed cmd and test name */
2883 garray_T *gap;
2884 int amb_local = FALSE; /* Found ambiguous buffer-local command,
2885 only full match global is accepted. */
2886
2887 /*
2888 * Look for buffer-local user commands first, then global ones.
2889 */
2890 gap = &curbuf->b_ucmds;
2891 for (;;)
2892 {
2893 for (j = 0; j < gap->ga_len; ++j)
2894 {
2895 uc = USER_CMD_GA(gap, j);
2896 cp = eap->cmd;
2897 np = uc->uc_name;
2898 k = 0;
2899 while (k < len && *np != NUL && *cp++ == *np++)
2900 k++;
2901 if (k == len || (*np == NUL && vim_isdigit(eap->cmd[k])))
2902 {
2903 /* If finding a second match, the command is ambiguous. But
2904 * not if a buffer-local command wasn't a full match and a
2905 * global command is a full match. */
2906 if (k == len && found && *np != NUL)
2907 {
2908 if (gap == &ucmds)
2909 return NULL;
2910 amb_local = TRUE;
2911 }
2912
2913 if (!found || (k == len && *np == NUL))
2914 {
2915 /* If we matched up to a digit, then there could
2916 * be another command including the digit that we
2917 * should use instead.
2918 */
2919 if (k == len)
2920 found = TRUE;
2921 else
2922 possible = TRUE;
2923
2924 if (gap == &ucmds)
2925 eap->cmdidx = CMD_USER;
2926 else
2927 eap->cmdidx = CMD_USER_BUF;
2928 eap->argt = (long)uc->uc_argt;
2929 eap->useridx = j;
2930
2931 # ifdef FEAT_CMDL_COMPL
2932 if (compl != NULL)
2933 *compl = uc->uc_compl;
2934 # ifdef FEAT_EVAL
2935 if (xp != NULL)
2936 {
2937 xp->xp_arg = uc->uc_compl_arg;
2938 xp->xp_scriptID = uc->uc_scriptID;
2939 }
2940 # endif
2941 # endif
2942 /* Do not search for further abbreviations
2943 * if this is an exact match. */
2944 matchlen = k;
2945 if (k == len && *np == NUL)
2946 {
2947 if (full != NULL)
2948 *full = TRUE;
2949 amb_local = FALSE;
2950 break;
2951 }
2952 }
2953 }
2954 }
2955
2956 /* Stop if we found a full match or searched all. */
2957 if (j < gap->ga_len || gap == &ucmds)
2958 break;
2959 gap = &ucmds;
2960 }
2961
2962 /* Only found ambiguous matches. */
2963 if (amb_local)
2964 {
2965 if (xp != NULL)
2966 xp->xp_context = EXPAND_UNSUCCESSFUL;
2967 return NULL;
2968 }
2969
2970 /* The match we found may be followed immediately by a number. Move "p"
2971 * back to point to it. */
2972 if (found || possible)
2973 return p + (matchlen - len);
2974 return p;
2975 }
2976 #endif
2977
2978 #if defined(FEAT_EVAL) || defined(PROTO)
2979 static struct cmdmod
2980 {
2981 char *name;
2982 int minlen;
2983 int has_count; /* :123verbose :3tab */
2984 } cmdmods[] = {
2985 {"aboveleft", 3, FALSE},
2986 {"belowright", 3, FALSE},
2987 {"botright", 2, FALSE},
2988 {"browse", 3, FALSE},
2989 {"confirm", 4, FALSE},
2990 {"hide", 3, FALSE},
2991 {"keepalt", 5, FALSE},
2992 {"keepjumps", 5, FALSE},
2993 {"keepmarks", 3, FALSE},
2994 {"leftabove", 5, FALSE},
2995 {"lockmarks", 3, FALSE},
2996 {"noautocmd", 3, FALSE},
2997 {"rightbelow", 6, FALSE},
2998 {"sandbox", 3, FALSE},
2999 {"silent", 3, FALSE},
3000 {"tab", 3, TRUE},
3001 {"topleft", 2, FALSE},
3002 {"unsilent", 3, FALSE},
3003 {"verbose", 4, TRUE},
3004 {"vertical", 4, FALSE},
3005 };
3006
3007 /*
3008 * Return length of a command modifier (including optional count).
3009 * Return zero when it's not a modifier.
3010 */
3011 int
3012 modifier_len(cmd)
3013 char_u *cmd;
3014 {
3015 int i, j;
3016 char_u *p = cmd;
3017
3018 if (VIM_ISDIGIT(*cmd))
3019 p = skipwhite(skipdigits(cmd));
3020 for (i = 0; i < (int)(sizeof(cmdmods) / sizeof(struct cmdmod)); ++i)
3021 {
3022 for (j = 0; p[j] != NUL; ++j)
3023 if (p[j] != cmdmods[i].name[j])
3024 break;
3025 if (!isalpha(p[j]) && j >= cmdmods[i].minlen
3026 && (p == cmd || cmdmods[i].has_count))
3027 return j + (int)(p - cmd);
3028 }
3029 return 0;
3030 }
3031
3032 /*
3033 * Return > 0 if an Ex command "name" exists.
3034 * Return 2 if there is an exact match.
3035 * Return 3 if there is an ambiguous match.
3036 */
3037 int
3038 cmd_exists(name)
3039 char_u *name;
3040 {
3041 exarg_T ea;
3042 int full = FALSE;
3043 int i;
3044 int j;
3045 char_u *p;
3046
3047 /* Check command modifiers. */
3048 for (i = 0; i < (int)(sizeof(cmdmods) / sizeof(struct cmdmod)); ++i)
3049 {
3050 for (j = 0; name[j] != NUL; ++j)
3051 if (name[j] != cmdmods[i].name[j])
3052 break;
3053 if (name[j] == NUL && j >= cmdmods[i].minlen)
3054 return (cmdmods[i].name[j] == NUL ? 2 : 1);
3055 }
3056
3057 /* Check built-in commands and user defined commands.
3058 * For ":2match" and ":3match" we need to skip the number. */
3059 ea.cmd = (*name == '2' || *name == '3') ? name + 1 : name;
3060 ea.cmdidx = (cmdidx_T)0;
3061 p = find_command(&ea, &full);
3062 if (p == NULL)
3063 return 3;
3064 if (vim_isdigit(*name) && ea.cmdidx != CMD_match)
3065 return 0;
3066 if (*skipwhite(p) != NUL)
3067 return 0; /* trailing garbage */
3068 return (ea.cmdidx == CMD_SIZE ? 0 : (full ? 2 : 1));
3069 }
3070 #endif
3071
3072 /*
3073 * This is all pretty much copied from do_one_cmd(), with all the extra stuff
3074 * we don't need/want deleted. Maybe this could be done better if we didn't
3075 * repeat all this stuff. The only problem is that they may not stay
3076 * perfectly compatible with each other, but then the command line syntax
3077 * probably won't change that much -- webb.
3078 */
3079 char_u *
3080 set_one_cmd_context(xp, buff)
3081 expand_T *xp;
3082 char_u *buff; /* buffer for command string */
3083 {
3084 char_u *p;
3085 char_u *cmd, *arg;
3086 int len = 0;
3087 exarg_T ea;
3088 #if defined(FEAT_USR_CMDS) && defined(FEAT_CMDL_COMPL)
3089 int compl = EXPAND_NOTHING;
3090 #endif
3091 #ifdef FEAT_CMDL_COMPL
3092 int delim;
3093 #endif
3094 int forceit = FALSE;
3095 int usefilter = FALSE; /* filter instead of file name */
3096
3097 ExpandInit(xp);
3098 xp->xp_pattern = buff;
3099 xp->xp_context = EXPAND_COMMANDS; /* Default until we get past command */
3100 ea.argt = 0;
3101
3102 /*
3103 * 2. skip comment lines and leading space, colons or bars
3104 */
3105 for (cmd = buff; vim_strchr((char_u *)" \t:|", *cmd) != NULL; cmd++)
3106 ;
3107 xp->xp_pattern = cmd;
3108
3109 if (*cmd == NUL)
3110 return NULL;
3111 if (*cmd == '"') /* ignore comment lines */
3112 {
3113 xp->xp_context = EXPAND_NOTHING;
3114 return NULL;
3115 }
3116
3117 /*
3118 * 3. parse a range specifier of the form: addr [,addr] [;addr] ..
3119 */
3120 cmd = skip_range(cmd, &xp->xp_context);
3121
3122 /*
3123 * 4. parse command
3124 */
3125 xp->xp_pattern = cmd;
3126 if (*cmd == NUL)
3127 return NULL;
3128 if (*cmd == '"')
3129 {
3130 xp->xp_context = EXPAND_NOTHING;
3131 return NULL;
3132 }
3133
3134 if (*cmd == '|' || *cmd == '\n')
3135 return cmd + 1; /* There's another command */
3136
3137 /*
3138 * Isolate the command and search for it in the command table.
3139 * Exceptions:
3140 * - the 'k' command can directly be followed by any character, but
3141 * do accept "keepmarks", "keepalt" and "keepjumps".
3142 * - the 's' command can be followed directly by 'c', 'g', 'i', 'I' or 'r'
3143 */
3144 if (*cmd == 'k' && cmd[1] != 'e')
3145 {
3146 ea.cmdidx = CMD_k;
3147 p = cmd + 1;
3148 }
3149 else
3150 {
3151 p = cmd;
3152 while (ASCII_ISALPHA(*p) || *p == '*') /* Allow * wild card */
3153 ++p;
3154 /* check for non-alpha command */
3155 if (p == cmd && vim_strchr((char_u *)"@*!=><&~#", *p) != NULL)
3156 ++p;
3157 len = (int)(p - cmd);
3158
3159 if (len == 0)
3160 {
3161 xp->xp_context = EXPAND_UNSUCCESSFUL;
3162 return NULL;
3163 }
3164 for (ea.cmdidx = (cmdidx_T)0; (int)ea.cmdidx < (int)CMD_SIZE;
3165 ea.cmdidx = (cmdidx_T)((int)ea.cmdidx + 1))
3166 if (STRNCMP(cmdnames[(int)ea.cmdidx].cmd_name, cmd, (size_t)len) == 0)
3167 break;
3168
3169 #ifdef FEAT_USR_CMDS
3170 if (cmd[0] >= 'A' && cmd[0] <= 'Z')
3171 {
3172 while (ASCII_ISALNUM(*p) || *p == '*') /* Allow * wild card */
3173 ++p;
3174 len = (int)(p - cmd);
3175 }
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
3819 #endif /* FEAT_CMDL_COMPL */
3820
3821 default:
3822 break;
3823 }
3824 return NULL;
3825 }
3826
3827 /*
3828 * skip a range specifier of the form: addr [,addr] [;addr] ..
3829 *
3830 * Backslashed delimiters after / or ? will be skipped, and commands will
3831 * not be expanded between /'s and ?'s or after "'".
3832 *
3833 * Also skip white space and ":" characters.
3834 * Returns the "cmd" pointer advanced to beyond the range.
3835 */
3836 char_u *
3837 skip_range(cmd, ctx)
3838 char_u *cmd;
3839 int *ctx; /* pointer to xp_context or NULL */
3840 {
3841 unsigned delim;
3842
3843 while (vim_strchr((char_u *)" \t0123456789.$%'/?-+,;", *cmd) != NULL)
3844 {
3845 if (*cmd == '\'')
3846 {
3847 if (*++cmd == NUL && ctx != NULL)
3848 *ctx = EXPAND_NOTHING;
3849 }
3850 else if (*cmd == '/' || *cmd == '?')
3851 {
3852 delim = *cmd++;
3853 while (*cmd != NUL && *cmd != delim)
3854 if (*cmd++ == '\\' && *cmd != NUL)
3855 ++cmd;
3856 if (*cmd == NUL && ctx != NULL)
3857 *ctx = EXPAND_NOTHING;
3858 }
3859 if (*cmd != NUL)
3860 ++cmd;
3861 }
3862
3863 /* Skip ":" and white space. */
3864 while (*cmd == ':')
3865 cmd = skipwhite(cmd + 1);
3866
3867 return cmd;
3868 }
3869
3870 /*
3871 * get a single EX address
3872 *
3873 * Set ptr to the next character after the part that was interpreted.
3874 * Set ptr to NULL when an error is encountered.
3875 *
3876 * Return MAXLNUM when no Ex address was found.
3877 */
3878 static linenr_T
3879 get_address(ptr, skip, to_other_file)
3880 char_u **ptr;
3881 int skip; /* only skip the address, don't use it */
3882 int to_other_file; /* flag: may jump to other file */
3883 {
3884 int c;
3885 int i;
3886 long n;
3887 char_u *cmd;
3888 pos_T pos;
3889 pos_T *fp;
3890 linenr_T lnum;
3891
3892 cmd = skipwhite(*ptr);
3893 lnum = MAXLNUM;
3894 do
3895 {
3896 switch (*cmd)
3897 {
3898 case '.': /* '.' - Cursor position */
3899 ++cmd;
3900 lnum = curwin->w_cursor.lnum;
3901 break;
3902
3903 case '$': /* '$' - last line */
3904 ++cmd;
3905 lnum = curbuf->b_ml.ml_line_count;
3906 break;
3907
3908 case '\'': /* ''' - mark */
3909 if (*++cmd == NUL)
3910 {
3911 cmd = NULL;
3912 goto error;
3913 }
3914 if (skip)
3915 ++cmd;
3916 else
3917 {
3918 /* Only accept a mark in another file when it is
3919 * used by itself: ":'M". */
3920 fp = getmark(*cmd, to_other_file && cmd[1] == NUL);
3921 ++cmd;
3922 if (fp == (pos_T *)-1)
3923 /* Jumped to another file. */
3924 lnum = curwin->w_cursor.lnum;
3925 else
3926 {
3927 if (check_mark(fp) == FAIL)
3928 {
3929 cmd = NULL;
3930 goto error;
3931 }
3932 lnum = fp->lnum;
3933 }
3934 }
3935 break;
3936
3937 case '/':
3938 case '?': /* '/' or '?' - search */
3939 c = *cmd++;
3940 if (skip) /* skip "/pat/" */
3941 {
3942 cmd = skip_regexp(cmd, c, (int)p_magic, NULL);
3943 if (*cmd == c)
3944 ++cmd;
3945 }
3946 else
3947 {
3948 pos = curwin->w_cursor; /* save curwin->w_cursor */
3949 /*
3950 * When '/' or '?' follows another address, start
3951 * from there.
3952 */
3953 if (lnum != MAXLNUM)
3954 curwin->w_cursor.lnum = lnum;
3955 /*
3956 * Start a forward search at the end of the line.
3957 * Start a backward search at the start of the line.
3958 * This makes sure we never match in the current
3959 * line, and can match anywhere in the
3960 * next/previous line.
3961 */
3962 if (c == '/')
3963 curwin->w_cursor.col = MAXCOL;
3964 else
3965 curwin->w_cursor.col = 0;
3966 searchcmdlen = 0;
3967 if (!do_search(NULL, c, cmd, 1L,
3968 SEARCH_HIS | SEARCH_MSG, NULL))
3969 {
3970 curwin->w_cursor = pos;
3971 cmd = NULL;
3972 goto error;
3973 }
3974 lnum = curwin->w_cursor.lnum;
3975 curwin->w_cursor = pos;
3976 /* adjust command string pointer */
3977 cmd += searchcmdlen;
3978 }
3979 break;
3980
3981 case '\\': /* "\?", "\/" or "\&", repeat search */
3982 ++cmd;
3983 if (*cmd == '&')
3984 i = RE_SUBST;
3985 else if (*cmd == '?' || *cmd == '/')
3986 i = RE_SEARCH;
3987 else
3988 {
3989 EMSG(_(e_backslash));
3990 cmd = NULL;
3991 goto error;
3992 }
3993
3994 if (!skip)
3995 {
3996 /*
3997 * When search follows another address, start from
3998 * there.
3999 */
4000 if (lnum != MAXLNUM)
4001 pos.lnum = lnum;
4002 else
4003 pos.lnum = curwin->w_cursor.lnum;
4004
4005 /*
4006 * Start the search just like for the above
4007 * do_search().
4008 */
4009 if (*cmd != '?')
4010 pos.col = MAXCOL;
4011 else
4012 pos.col = 0;
4013 if (searchit(curwin, curbuf, &pos,
4014 *cmd == '?' ? BACKWARD : FORWARD,
4015 (char_u *)"", 1L, SEARCH_MSG,
4016 i, (linenr_T)0, NULL) != FAIL)
4017 lnum = pos.lnum;
4018 else
4019 {
4020 cmd = NULL;
4021 goto error;
4022 }
4023 }
4024 ++cmd;
4025 break;
4026
4027 default:
4028 if (VIM_ISDIGIT(*cmd)) /* absolute line number */
4029 lnum = getdigits(&cmd);
4030 }
4031
4032 for (;;)
4033 {
4034 cmd = skipwhite(cmd);
4035 if (*cmd != '-' && *cmd != '+' && !VIM_ISDIGIT(*cmd))
4036 break;
4037
4038 if (lnum == MAXLNUM)
4039 lnum = curwin->w_cursor.lnum; /* "+1" is same as ".+1" */
4040 if (VIM_ISDIGIT(*cmd))
4041 i = '+'; /* "number" is same as "+number" */
4042 else
4043 i = *cmd++;
4044 if (!VIM_ISDIGIT(*cmd)) /* '+' is '+1', but '+0' is not '+1' */
4045 n = 1;
4046 else
4047 n = getdigits(&cmd);
4048 if (i == '-')
4049 lnum -= n;
4050 else
4051 lnum += n;
4052 }
4053 } while (*cmd == '/' || *cmd == '?');
4054
4055 error:
4056 *ptr = cmd;
4057 return lnum;
4058 }
4059
4060 /*
4061 * Get flags from an Ex command argument.
4062 */
4063 static void
4064 get_flags(eap)
4065 exarg_T *eap;
4066 {
4067 while (vim_strchr((char_u *)"lp#", *eap->arg) != NULL)
4068 {
4069 if (*eap->arg == 'l')
4070 eap->flags |= EXFLAG_LIST;
4071 else if (*eap->arg == 'p')
4072 eap->flags |= EXFLAG_PRINT;
4073 else
4074 eap->flags |= EXFLAG_NR;
4075 eap->arg = skipwhite(eap->arg + 1);
4076 }
4077 }
4078
4079 /*
4080 * Function called for command which is Not Implemented. NI!
4081 */
4082 void
4083 ex_ni(eap)
4084 exarg_T *eap;
4085 {
4086 if (!eap->skip)
4087 eap->errmsg = (char_u *)N_("E319: Sorry, the command is not available in this version");
4088 }
4089
4090 #ifdef HAVE_EX_SCRIPT_NI
4091 /*
4092 * Function called for script command which is Not Implemented. NI!
4093 * Skips over ":perl <<EOF" constructs.
4094 */
4095 static void
4096 ex_script_ni(eap)
4097 exarg_T *eap;
4098 {
4099 if (!eap->skip)
4100 ex_ni(eap);
4101 else
4102 vim_free(script_get(eap, eap->arg));
4103 }
4104 #endif
4105
4106 /*
4107 * Check range in Ex command for validity.
4108 * Return NULL when valid, error message when invalid.
4109 */
4110 static char_u *
4111 invalid_range(eap)
4112 exarg_T *eap;
4113 {
4114 if ( eap->line1 < 0
4115 || eap->line2 < 0
4116 || eap->line1 > eap->line2
4117 || ((eap->argt & RANGE)
4118 && !(eap->argt & NOTADR)
4119 && eap->line2 > curbuf->b_ml.ml_line_count
4120 #ifdef FEAT_DIFF
4121 + (eap->cmdidx == CMD_diffget)
4122 #endif
4123 ))
4124 return (char_u *)_(e_invrange);
4125 return NULL;
4126 }
4127
4128 /*
4129 * Correct the range for zero line number, if required.
4130 */
4131 static void
4132 correct_range(eap)
4133 exarg_T *eap;
4134 {
4135 if (!(eap->argt & ZEROR)) /* zero in range not allowed */
4136 {
4137 if (eap->line1 == 0)
4138 eap->line1 = 1;
4139 if (eap->line2 == 0)
4140 eap->line2 = 1;
4141 }
4142 }
4143
4144 #ifdef FEAT_QUICKFIX
4145 static char_u *skip_grep_pat __ARGS((exarg_T *eap));
4146
4147 /*
4148 * For a ":vimgrep" or ":vimgrepadd" command return a pointer past the
4149 * pattern. Otherwise return eap->arg.
4150 */
4151 static char_u *
4152 skip_grep_pat(eap)
4153 exarg_T *eap;
4154 {
4155 char_u *p = eap->arg;
4156
4157 if (*p != NUL && (eap->cmdidx == CMD_vimgrep || eap->cmdidx == CMD_lvimgrep
4158 || eap->cmdidx == CMD_vimgrepadd
4159 || eap->cmdidx == CMD_lvimgrepadd
4160 || grep_internal(eap->cmdidx)))
4161 {
4162 p = skip_vimgrep_pat(p, NULL, NULL);
4163 if (p == NULL)
4164 p = eap->arg;
4165 }
4166 return p;
4167 }
4168
4169 /*
4170 * For the ":make" and ":grep" commands insert the 'makeprg'/'grepprg' option
4171 * in the command line, so that things like % get expanded.
4172 */
4173 static char_u *
4174 replace_makeprg(eap, p, cmdlinep)
4175 exarg_T *eap;
4176 char_u *p;
4177 char_u **cmdlinep;
4178 {
4179 char_u *new_cmdline;
4180 char_u *program;
4181 char_u *pos;
4182 char_u *ptr;
4183 int len;
4184 int i;
4185
4186 /*
4187 * Don't do it when ":vimgrep" is used for ":grep".
4188 */
4189 if ((eap->cmdidx == CMD_make || eap->cmdidx == CMD_lmake
4190 || eap->cmdidx == CMD_grep || eap->cmdidx == CMD_lgrep
4191 || eap->cmdidx == CMD_grepadd
4192 || eap->cmdidx == CMD_lgrepadd)
4193 && !grep_internal(eap->cmdidx))
4194 {
4195 if (eap->cmdidx == CMD_grep || eap->cmdidx == CMD_lgrep
4196 || eap->cmdidx == CMD_grepadd || eap->cmdidx == CMD_lgrepadd)
4197 {
4198 if (*curbuf->b_p_gp == NUL)
4199 program = p_gp;
4200 else
4201 program = curbuf->b_p_gp;
4202 }
4203 else
4204 {
4205 if (*curbuf->b_p_mp == NUL)
4206 program = p_mp;
4207 else
4208 program = curbuf->b_p_mp;
4209 }
4210
4211 p = skipwhite(p);
4212
4213 if ((pos = (char_u *)strstr((char *)program, "$*")) != NULL)
4214 {
4215 /* replace $* by given arguments */
4216 i = 1;
4217 while ((pos = (char_u *)strstr((char *)pos + 2, "$*")) != NULL)
4218 ++i;
4219 len = (int)STRLEN(p);
4220 new_cmdline = alloc((int)(STRLEN(program) + i * (len - 2) + 1));
4221 if (new_cmdline == NULL)
4222 return NULL; /* out of memory */
4223 ptr = new_cmdline;
4224 while ((pos = (char_u *)strstr((char *)program, "$*")) != NULL)
4225 {
4226 i = (int)(pos - program);
4227 STRNCPY(ptr, program, i);
4228 STRCPY(ptr += i, p);
4229 ptr += len;
4230 program = pos + 2;
4231 }
4232 STRCPY(ptr, program);
4233 }
4234 else
4235 {
4236 new_cmdline = alloc((int)(STRLEN(program) + STRLEN(p) + 2));
4237 if (new_cmdline == NULL)
4238 return NULL; /* out of memory */
4239 STRCPY(new_cmdline, program);
4240 STRCAT(new_cmdline, " ");
4241 STRCAT(new_cmdline, p);
4242 }
4243 msg_make(p);
4244
4245 /* 'eap->cmd' is not set here, because it is not used at CMD_make */
4246 vim_free(*cmdlinep);
4247 *cmdlinep = new_cmdline;
4248 p = new_cmdline;
4249 }
4250 return p;
4251 }
4252 #endif
4253
4254 /*
4255 * Expand file name in Ex command argument.
4256 * Return FAIL for failure, OK otherwise.
4257 */
4258 int
4259 expand_filename(eap, cmdlinep, errormsgp)
4260 exarg_T *eap;
4261 char_u **cmdlinep;
4262 char_u **errormsgp;
4263 {
4264 int has_wildcards; /* need to expand wildcards */
4265 char_u *repl;
4266 int srclen;
4267 char_u *p;
4268 int n;
4269 int escaped;
4270
4271 #ifdef FEAT_QUICKFIX
4272 /* Skip a regexp pattern for ":vimgrep[add] pat file..." */
4273 p = skip_grep_pat(eap);
4274 #else
4275 p = eap->arg;
4276 #endif
4277
4278 /*
4279 * Decide to expand wildcards *before* replacing '%', '#', etc. If
4280 * the file name contains a wildcard it should not cause expanding.
4281 * (it will be expanded anyway if there is a wildcard before replacing).
4282 */
4283 has_wildcards = mch_has_wildcard(p);
4284 while (*p != NUL)
4285 {
4286 #ifdef FEAT_EVAL
4287 /* Skip over `=expr`, wildcards in it are not expanded. */
4288 if (p[0] == '`' && p[1] == '=')
4289 {
4290 p += 2;
4291 (void)skip_expr(&p);
4292 if (*p == '`')
4293 ++p;
4294 continue;
4295 }
4296 #endif
4297 /*
4298 * Quick check if this cannot be the start of a special string.
4299 * Also removes backslash before '%', '#' and '<'.
4300 */
4301 if (vim_strchr((char_u *)"%#<", *p) == NULL)
4302 {
4303 ++p;
4304 continue;
4305 }
4306
4307 /*
4308 * Try to find a match at this position.
4309 */
4310 repl = eval_vars(p, eap->arg, &srclen, &(eap->do_ecmd_lnum),
4311 errormsgp, &escaped);
4312 if (*errormsgp != NULL) /* error detected */
4313 return FAIL;
4314 if (repl == NULL) /* no match found */
4315 {
4316 p += srclen;
4317 continue;
4318 }
4319
4320 /* Wildcards won't be expanded below, the replacement is taken
4321 * literally. But do expand "~/file", "~user/file" and "$HOME/file". */
4322 if (vim_strchr(repl, '$') != NULL || vim_strchr(repl, '~') != NULL)
4323 {
4324 char_u *l = repl;
4325
4326 repl = expand_env_save(repl);
4327 vim_free(l);
4328 }
4329
4330 /* Need to escape white space et al. with a backslash.
4331 * Don't do this for:
4332 * - replacement that already has been escaped: "##"
4333 * - shell commands (may have to use quotes instead).
4334 * - non-unix systems when there is a single argument (spaces don't
4335 * separate arguments then).
4336 */
4337 if (!eap->usefilter
4338 && !escaped
4339 && eap->cmdidx != CMD_bang
4340 && eap->cmdidx != CMD_make
4341 && eap->cmdidx != CMD_lmake
4342 && eap->cmdidx != CMD_grep
4343 && eap->cmdidx != CMD_lgrep
4344 && eap->cmdidx != CMD_grepadd
4345 && eap->cmdidx != CMD_lgrepadd
4346 #ifndef UNIX
4347 && !(eap->argt & NOSPC)
4348 #endif
4349 )
4350 {
4351 char_u *l;
4352 #ifdef BACKSLASH_IN_FILENAME
4353 /* Don't escape a backslash here, because rem_backslash() doesn't
4354 * remove it later. */
4355 static char_u *nobslash = (char_u *)" \t\"|";
4356 # define ESCAPE_CHARS nobslash
4357 #else
4358 # define ESCAPE_CHARS escape_chars
4359 #endif
4360
4361 for (l = repl; *l; ++l)
4362 if (vim_strchr(ESCAPE_CHARS, *l) != NULL)
4363 {
4364 l = vim_strsave_escaped(repl, ESCAPE_CHARS);
4365 if (l != NULL)
4366 {
4367 vim_free(repl);
4368 repl = l;
4369 }
4370 break;
4371 }
4372 }
4373
4374 /* For a shell command a '!' must be escaped. */
4375 if ((eap->usefilter || eap->cmdidx == CMD_bang)
4376 && vim_strpbrk(repl, (char_u *)"!&;()<>") != NULL)
4377 {
4378 char_u *l;
4379
4380 l = vim_strsave_escaped(repl, (char_u *)"!&;()<>");
4381 if (l != NULL)
4382 {
4383 vim_free(repl);
4384 repl = l;
4385 /* For a sh-like shell escape "!" another time. */
4386 if (strstr((char *)p_sh, "sh") != NULL)
4387 {
4388 l = vim_strsave_escaped(repl, (char_u *)"!");
4389 if (l != NULL)
4390 {
4391 vim_free(repl);
4392 repl = l;
4393 }
4394 }
4395 }
4396 }
4397
4398 p = repl_cmdline(eap, p, srclen, repl, cmdlinep);
4399 vim_free(repl);
4400 if (p == NULL)
4401 return FAIL;
4402 }
4403
4404 /*
4405 * One file argument: Expand wildcards.
4406 * Don't do this with ":r !command" or ":w !command".
4407 */
4408 if ((eap->argt & NOSPC) && !eap->usefilter)
4409 {
4410 /*
4411 * May do this twice:
4412 * 1. Replace environment variables.
4413 * 2. Replace any other wildcards, remove backslashes.
4414 */
4415 for (n = 1; n <= 2; ++n)
4416 {
4417 if (n == 2)
4418 {
4419 #ifdef UNIX
4420 /*
4421 * Only for Unix we check for more than one file name.
4422 * For other systems spaces are considered to be part
4423 * of the file name.
4424 * Only check here if there is no wildcard, otherwise
4425 * ExpandOne() will check for errors. This allows
4426 * ":e `ls ve*.c`" on Unix.
4427 */
4428 if (!has_wildcards)
4429 for (p = eap->arg; *p; ++p)
4430 {
4431 /* skip escaped characters */
4432 if (p[1] && (*p == '\\' || *p == Ctrl_V))
4433 ++p;
4434 else if (vim_iswhite(*p))
4435 {
4436 *errormsgp = (char_u *)_("E172: Only one file name allowed");
4437 return FAIL;
4438 }
4439 }
4440 #endif
4441
4442 /*
4443 * Halve the number of backslashes (this is Vi compatible).
4444 * For Unix and OS/2, when wildcards are expanded, this is
4445 * done by ExpandOne() below.
4446 */
4447 #if defined(UNIX) || defined(OS2)
4448 if (!has_wildcards)
4449 #endif
4450 backslash_halve(eap->arg);
4451 }
4452
4453 if (has_wildcards)
4454 {
4455 if (n == 1)
4456 {
4457 /*
4458 * First loop: May expand environment variables. This
4459 * can be done much faster with expand_env() than with
4460 * something else (e.g., calling a shell).
4461 * After expanding environment variables, check again
4462 * if there are still wildcards present.
4463 */
4464 if (vim_strchr(eap->arg, '$') != NULL
4465 || vim_strchr(eap->arg, '~') != NULL)
4466 {
4467 expand_env_esc(eap->arg, NameBuff, MAXPATHL,
4468 TRUE, TRUE, NULL);
4469 has_wildcards = mch_has_wildcard(NameBuff);
4470 p = NameBuff;
4471 }
4472 else
4473 p = NULL;
4474 }
4475 else /* n == 2 */
4476 {
4477 expand_T xpc;
4478
4479 ExpandInit(&xpc);
4480 xpc.xp_context = EXPAND_FILES;
4481 p = ExpandOne(&xpc, eap->arg, NULL,
4482 WILD_LIST_NOTFOUND|WILD_ADD_SLASH,
4483 WILD_EXPAND_FREE);
4484 if (p == NULL)
4485 return FAIL;
4486 }
4487 if (p != NULL)
4488 {
4489 (void)repl_cmdline(eap, eap->arg, (int)STRLEN(eap->arg),
4490 p, cmdlinep);
4491 if (n == 2) /* p came from ExpandOne() */
4492 vim_free(p);
4493 }
4494 }
4495 }
4496 }
4497 return OK;
4498 }
4499
4500 /*
4501 * Replace part of the command line, keeping eap->cmd, eap->arg and
4502 * eap->nextcmd correct.
4503 * "src" points to the part that is to be replaced, of length "srclen".
4504 * "repl" is the replacement string.
4505 * Returns a pointer to the character after the replaced string.
4506 * Returns NULL for failure.
4507 */
4508 static char_u *
4509 repl_cmdline(eap, src, srclen, repl, cmdlinep)
4510 exarg_T *eap;
4511 char_u *src;
4512 int srclen;
4513 char_u *repl;
4514 char_u **cmdlinep;
4515 {
4516 int len;
4517 int i;
4518 char_u *new_cmdline;
4519
4520 /*
4521 * The new command line is build in new_cmdline[].
4522 * First allocate it.
4523 * Careful: a "+cmd" argument may have been NUL terminated.
4524 */
4525 len = (int)STRLEN(repl);
4526 i = (int)(src - *cmdlinep) + (int)STRLEN(src + srclen) + len + 3;
4527 if (eap->nextcmd != NULL)
4528 i += (int)STRLEN(eap->nextcmd);/* add space for next command */
4529 if ((new_cmdline = alloc((unsigned)i)) == NULL)
4530 return NULL; /* out of memory! */
4531
4532 /*
4533 * Copy the stuff before the expanded part.
4534 * Copy the expanded stuff.
4535 * Copy what came after the expanded part.
4536 * Copy the next commands, if there are any.
4537 */
4538 i = (int)(src - *cmdlinep); /* length of part before match */
4539 mch_memmove(new_cmdline, *cmdlinep, (size_t)i);
4540
4541 mch_memmove(new_cmdline + i, repl, (size_t)len);
4542 i += len; /* remember the end of the string */
4543 STRCPY(new_cmdline + i, src + srclen);
4544 src = new_cmdline + i; /* remember where to continue */
4545
4546 if (eap->nextcmd != NULL) /* append next command */
4547 {
4548 i = (int)STRLEN(new_cmdline) + 1;
4549 STRCPY(new_cmdline + i, eap->nextcmd);
4550 eap->nextcmd = new_cmdline + i;
4551 }
4552 eap->cmd = new_cmdline + (eap->cmd - *cmdlinep);
4553 eap->arg = new_cmdline + (eap->arg - *cmdlinep);
4554 if (eap->do_ecmd_cmd != NULL && eap->do_ecmd_cmd != dollar_command)
4555 eap->do_ecmd_cmd = new_cmdline + (eap->do_ecmd_cmd - *cmdlinep);
4556 vim_free(*cmdlinep);
4557 *cmdlinep = new_cmdline;
4558
4559 return src;
4560 }
4561
4562 /*
4563 * Check for '|' to separate commands and '"' to start comments.
4564 */
4565 void
4566 separate_nextcmd(eap)
4567 exarg_T *eap;
4568 {
4569 char_u *p;
4570
4571 #ifdef FEAT_QUICKFIX
4572 p = skip_grep_pat(eap);
4573 #else
4574 p = eap->arg;
4575 #endif
4576
4577 for ( ; *p; mb_ptr_adv(p))
4578 {
4579 if (*p == Ctrl_V)
4580 {
4581 if (eap->argt & (USECTRLV | XFILE))
4582 ++p; /* skip CTRL-V and next char */
4583 else
4584 /* remove CTRL-V and skip next char */
4585 STRMOVE(p, p + 1);
4586 if (*p == NUL) /* stop at NUL after CTRL-V */
4587 break;
4588 }
4589
4590 #ifdef FEAT_EVAL
4591 /* Skip over `=expr` when wildcards are expanded. */
4592 else if (p[0] == '`' && p[1] == '=' && (eap->argt & XFILE))
4593 {
4594 p += 2;
4595 (void)skip_expr(&p);
4596 }
4597 #endif
4598
4599 /* Check for '"': start of comment or '|': next command */
4600 /* :@" and :*" do not start a comment!
4601 * :redir @" doesn't either. */
4602 else if ((*p == '"' && !(eap->argt & NOTRLCOM)
4603 && ((eap->cmdidx != CMD_at && eap->cmdidx != CMD_star)
4604 || p != eap->arg)
4605 && (eap->cmdidx != CMD_redir
4606 || p != eap->arg + 1 || p[-1] != '@'))
4607 || *p == '|' || *p == '\n')
4608 {
4609 /*
4610 * We remove the '\' before the '|', unless USECTRLV is used
4611 * AND 'b' is present in 'cpoptions'.
4612 */
4613 if ((vim_strchr(p_cpo, CPO_BAR) == NULL
4614 || !(eap->argt & USECTRLV)) && *(p - 1) == '\\')
4615 {
4616 STRMOVE(p - 1, p); /* remove the '\' */
4617 --p;
4618 }
4619 else
4620 {
4621 eap->nextcmd = check_nextcmd(p);
4622 *p = NUL;
4623 break;
4624 }
4625 }
4626 }
4627
4628 if (!(eap->argt & NOTRLCOM)) /* remove trailing spaces */
4629 del_trailing_spaces(eap->arg);
4630 }
4631
4632 /*
4633 * get + command from ex argument
4634 */
4635 static char_u *
4636 getargcmd(argp)
4637 char_u **argp;
4638 {
4639 char_u *arg = *argp;
4640 char_u *command = NULL;
4641
4642 if (*arg == '+') /* +[command] */
4643 {
4644 ++arg;
4645 if (vim_isspace(*arg))
4646 command = dollar_command;
4647 else
4648 {
4649 command = arg;
4650 arg = skip_cmd_arg(command, TRUE);
4651 if (*arg != NUL)
4652 *arg++ = NUL; /* terminate command with NUL */
4653 }
4654
4655 arg = skipwhite(arg); /* skip over spaces */
4656 *argp = arg;
4657 }
4658 return command;
4659 }
4660
4661 /*
4662 * Find end of "+command" argument. Skip over "\ " and "\\".
4663 */
4664 static char_u *
4665 skip_cmd_arg(p, rembs)
4666 char_u *p;
4667 int rembs; /* TRUE to halve the number of backslashes */
4668 {
4669 while (*p && !vim_isspace(*p))
4670 {
4671 if (*p == '\\' && p[1] != NUL)
4672 {
4673 if (rembs)
4674 STRMOVE(p, p + 1);
4675 else
4676 ++p;
4677 }
4678 mb_ptr_adv(p);
4679 }
4680 return p;
4681 }
4682
4683 /*
4684 * Get "++opt=arg" argument.
4685 * Return FAIL or OK.
4686 */
4687 static int
4688 getargopt(eap)
4689 exarg_T *eap;
4690 {
4691 char_u *arg = eap->arg + 2;
4692 int *pp = NULL;
4693 #ifdef FEAT_MBYTE
4694 char_u *p;
4695 #endif
4696
4697 /* ":edit ++[no]bin[ary] file" */
4698 if (STRNCMP(arg, "bin", 3) == 0 || STRNCMP(arg, "nobin", 5) == 0)
4699 {
4700 if (*arg == 'n')
4701 {
4702 arg += 2;
4703 eap->force_bin = FORCE_NOBIN;
4704 }
4705 else
4706 eap->force_bin = FORCE_BIN;
4707 if (!checkforcmd(&arg, "binary", 3))
4708 return FAIL;
4709 eap->arg = skipwhite(arg);
4710 return OK;
4711 }
4712
4713 /* ":read ++edit file" */
4714 if (STRNCMP(arg, "edit", 4) == 0)
4715 {
4716 eap->read_edit = TRUE;
4717 eap->arg = skipwhite(arg + 4);
4718 return OK;
4719 }
4720
4721 if (STRNCMP(arg, "ff", 2) == 0)
4722 {
4723 arg += 2;
4724 pp = &eap->force_ff;
4725 }
4726 else if (STRNCMP(arg, "fileformat", 10) == 0)
4727 {
4728 arg += 10;
4729 pp = &eap->force_ff;
4730 }
4731 #ifdef FEAT_MBYTE
4732 else if (STRNCMP(arg, "enc", 3) == 0)
4733 {
4734 arg += 3;
4735 pp = &eap->force_enc;
4736 }
4737 else if (STRNCMP(arg, "encoding", 8) == 0)
4738 {
4739 arg += 8;
4740 pp = &eap->force_enc;
4741 }
4742 else if (STRNCMP(arg, "bad", 3) == 0)
4743 {
4744 arg += 3;
4745 pp = &eap->bad_char;
4746 }
4747 #endif
4748
4749 if (pp == NULL || *arg != '=')
4750 return FAIL;
4751
4752 ++arg;
4753 *pp = (int)(arg - eap->cmd);
4754 arg = skip_cmd_arg(arg, FALSE);
4755 eap->arg = skipwhite(arg);
4756 *arg = NUL;
4757
4758 #ifdef FEAT_MBYTE
4759 if (pp == &eap->force_ff)
4760 {
4761 #endif
4762 if (check_ff_value(eap->cmd + eap->force_ff) == FAIL)
4763 return FAIL;
4764 #ifdef FEAT_MBYTE
4765 }
4766 else if (pp == &eap->force_enc)
4767 {
4768 /* Make 'fileencoding' lower case. */
4769 for (p = eap->cmd + eap->force_enc; *p != NUL; ++p)
4770 *p = TOLOWER_ASC(*p);
4771 }
4772 else
4773 {
4774 /* Check ++bad= argument. Must be a single-byte character, "keep" or
4775 * "drop". */
4776 p = eap->cmd + eap->bad_char;
4777 if (STRICMP(p, "keep") == 0)
4778 eap->bad_char = BAD_KEEP;
4779 else if (STRICMP(p, "drop") == 0)
4780 eap->bad_char = BAD_DROP;
4781 else if (MB_BYTE2LEN(*p) == 1 && p[1] == NUL)
4782 eap->bad_char = *p;
4783 else
4784 return FAIL;
4785 }
4786 #endif
4787
4788 return OK;
4789 }
4790
4791 /*
4792 * ":abbreviate" and friends.
4793 */
4794 static void
4795 ex_abbreviate(eap)
4796 exarg_T *eap;
4797 {
4798 do_exmap(eap, TRUE); /* almost the same as mapping */
4799 }
4800
4801 /*
4802 * ":map" and friends.
4803 */
4804 static void
4805 ex_map(eap)
4806 exarg_T *eap;
4807 {
4808 /*
4809 * If we are sourcing .exrc or .vimrc in current directory we
4810 * print the mappings for security reasons.
4811 */
4812 if (secure)
4813 {
4814 secure = 2;
4815 msg_outtrans(eap->cmd);
4816 msg_putchar('\n');
4817 }
4818 do_exmap(eap, FALSE);
4819 }
4820
4821 /*
4822 * ":unmap" and friends.
4823 */
4824 static void
4825 ex_unmap(eap)
4826 exarg_T *eap;
4827 {
4828 do_exmap(eap, FALSE);
4829 }
4830
4831 /*
4832 * ":mapclear" and friends.
4833 */
4834 static void
4835 ex_mapclear(eap)
4836 exarg_T *eap;
4837 {
4838 map_clear(eap->cmd, eap->arg, eap->forceit, FALSE);
4839 }
4840
4841 /*
4842 * ":abclear" and friends.
4843 */
4844 static void
4845 ex_abclear(eap)
4846 exarg_T *eap;
4847 {
4848 map_clear(eap->cmd, eap->arg, TRUE, TRUE);
4849 }
4850
4851 #ifdef FEAT_AUTOCMD
4852 static void
4853 ex_autocmd(eap)
4854 exarg_T *eap;
4855 {
4856 /*
4857 * Disallow auto commands from .exrc and .vimrc in current
4858 * directory for security reasons.
4859 */
4860 if (secure)
4861 {
4862 secure = 2;
4863 eap->errmsg = e_curdir;
4864 }
4865 else if (eap->cmdidx == CMD_autocmd)
4866 do_autocmd(eap->arg, eap->forceit);
4867 else
4868 do_augroup(eap->arg, eap->forceit);
4869 }
4870
4871 /*
4872 * ":doautocmd": Apply the automatic commands to the current buffer.
4873 */
4874 static void
4875 ex_doautocmd(eap)
4876 exarg_T *eap;
4877 {
4878 (void)do_doautocmd(eap->arg, TRUE);
4879 do_modelines(0);
4880 }
4881 #endif
4882
4883 #ifdef FEAT_LISTCMDS
4884 /*
4885 * :[N]bunload[!] [N] [bufname] unload buffer
4886 * :[N]bdelete[!] [N] [bufname] delete buffer from buffer list
4887 * :[N]bwipeout[!] [N] [bufname] delete buffer really
4888 */
4889 static void
4890 ex_bunload(eap)
4891 exarg_T *eap;
4892 {
4893 eap->errmsg = do_bufdel(
4894 eap->cmdidx == CMD_bdelete ? DOBUF_DEL
4895 : eap->cmdidx == CMD_bwipeout ? DOBUF_WIPE
4896 : DOBUF_UNLOAD, eap->arg,
4897 eap->addr_count, (int)eap->line1, (int)eap->line2, eap->forceit);
4898 }
4899
4900 /*
4901 * :[N]buffer [N] to buffer N
4902 * :[N]sbuffer [N] to buffer N
4903 */
4904 static void
4905 ex_buffer(eap)
4906 exarg_T *eap;
4907 {
4908 if (*eap->arg)
4909 eap->errmsg = e_trailing;
4910 else
4911 {
4912 if (eap->addr_count == 0) /* default is current buffer */
4913 goto_buffer(eap, DOBUF_CURRENT, FORWARD, 0);
4914 else
4915 goto_buffer(eap, DOBUF_FIRST, FORWARD, (int)eap->line2);
4916 }
4917 }
4918
4919 /*
4920 * :[N]bmodified [N] to next mod. buffer
4921 * :[N]sbmodified [N] to next mod. buffer
4922 */
4923 static void
4924 ex_bmodified(eap)
4925 exarg_T *eap;
4926 {
4927 goto_buffer(eap, DOBUF_MOD, FORWARD, (int)eap->line2);
4928 }
4929
4930 /*
4931 * :[N]bnext [N] to next buffer
4932 * :[N]sbnext [N] split and to next buffer
4933 */
4934 static void
4935 ex_bnext(eap)
4936 exarg_T *eap;
4937 {
4938 goto_buffer(eap, DOBUF_CURRENT, FORWARD, (int)eap->line2);
4939 }
4940
4941 /*
4942 * :[N]bNext [N] to previous buffer
4943 * :[N]bprevious [N] to previous buffer
4944 * :[N]sbNext [N] split and to previous buffer
4945 * :[N]sbprevious [N] split and to previous buffer
4946 */
4947 static void
4948 ex_bprevious(eap)
4949 exarg_T *eap;
4950 {
4951 goto_buffer(eap, DOBUF_CURRENT, BACKWARD, (int)eap->line2);
4952 }
4953
4954 /*
4955 * :brewind to first buffer
4956 * :bfirst to first buffer
4957 * :sbrewind split and to first buffer
4958 * :sbfirst split and to first buffer
4959 */
4960 static void
4961 ex_brewind(eap)
4962 exarg_T *eap;
4963 {
4964 goto_buffer(eap, DOBUF_FIRST, FORWARD, 0);
4965 }
4966
4967 /*
4968 * :blast to last buffer
4969 * :sblast split and to last buffer
4970 */
4971 static void
4972 ex_blast(eap)
4973 exarg_T *eap;
4974 {
4975 goto_buffer(eap, DOBUF_LAST, BACKWARD, 0);
4976 }
4977 #endif
4978
4979 int
4980 ends_excmd(c)
4981 int c;
4982 {
4983 return (c == NUL || c == '|' || c == '"' || c == '\n');
4984 }
4985
4986 #if defined(FEAT_SYN_HL) || defined(FEAT_SEARCH_EXTRA) || defined(FEAT_EVAL) \
4987 || defined(PROTO)
4988 /*
4989 * Return the next command, after the first '|' or '\n'.
4990 * Return NULL if not found.
4991 */
4992 char_u *
4993 find_nextcmd(p)
4994 char_u *p;
4995 {
4996 while (*p != '|' && *p != '\n')
4997 {
4998 if (*p == NUL)
4999 return NULL;
5000 ++p;
5001 }
5002 return (p + 1);
5003 }
5004 #endif
5005
5006 /*
5007 * Check if *p is a separator between Ex commands.
5008 * Return NULL if it isn't, (p + 1) if it is.
5009 */
5010 char_u *
5011 check_nextcmd(p)
5012 char_u *p;
5013 {
5014 p = skipwhite(p);
5015 if (*p == '|' || *p == '\n')
5016 return (p + 1);
5017 else
5018 return NULL;
5019 }
5020
5021 /*
5022 * - if there are more files to edit
5023 * - and this is the last window
5024 * - and forceit not used
5025 * - and not repeated twice on a row
5026 * return FAIL and give error message if 'message' TRUE
5027 * return OK otherwise
5028 */
5029 static int
5030 check_more(message, forceit)
5031 int message; /* when FALSE check only, no messages */
5032 int forceit;
5033 {
5034 int n = ARGCOUNT - curwin->w_arg_idx - 1;
5035
5036 if (!forceit && only_one_window()
5037 && ARGCOUNT > 1 && !arg_had_last && n >= 0 && quitmore == 0)
5038 {
5039 if (message)
5040 {
5041 #if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG)
5042 if ((p_confirm || cmdmod.confirm) && curbuf->b_fname != NULL)
5043 {
5044 char_u buff[IOSIZE];
5045
5046 if (n == 1)
5047 STRCPY(buff, _("1 more file to edit. Quit anyway?"));
5048 else
5049 vim_snprintf((char *)buff, IOSIZE,
5050 _("%d more files to edit. Quit anyway?"), n);
5051 if (vim_dialog_yesno(VIM_QUESTION, NULL, buff, 1) == VIM_YES)
5052 return OK;
5053 return FAIL;
5054 }
5055 #endif
5056 if (n == 1)
5057 EMSG(_("E173: 1 more file to edit"));
5058 else
5059 EMSGN(_("E173: %ld more files to edit"), n);
5060 quitmore = 2; /* next try to quit is allowed */
5061 }
5062 return FAIL;
5063 }
5064 return OK;
5065 }
5066
5067 #ifdef FEAT_CMDL_COMPL
5068 /*
5069 * Function given to ExpandGeneric() to obtain the list of command names.
5070 */
5071 char_u *
5072 get_command_name(xp, idx)
5073 expand_T *xp UNUSED;
5074 int idx;
5075 {
5076 if (idx >= (int)CMD_SIZE)
5077 # ifdef FEAT_USR_CMDS
5078 return get_user_command_name(idx);
5079 # else
5080 return NULL;
5081 # endif
5082 return cmdnames[idx].cmd_name;
5083 }
5084 #endif
5085
5086 #if defined(FEAT_USR_CMDS) || defined(PROTO)
5087 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));
5088 static void uc_list __ARGS((char_u *name, size_t name_len));
5089 static int uc_scan_attr __ARGS((char_u *attr, size_t len, long *argt, long *def, int *flags, int *compl, char_u **compl_arg));
5090 static char_u *uc_split_args __ARGS((char_u *arg, size_t *lenp));
5091 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));
5092
5093 static int
5094 uc_add_command(name, name_len, rep, argt, def, flags, compl, compl_arg, force)
5095 char_u *name;
5096 size_t name_len;
5097 char_u *rep;
5098 long argt;
5099 long def;
5100 int flags;
5101 int compl;
5102 char_u *compl_arg;
5103 int force;
5104 {
5105 ucmd_T *cmd = NULL;
5106 char_u *p;
5107 int i;
5108 int cmp = 1;
5109 char_u *rep_buf = NULL;
5110 garray_T *gap;
5111
5112 replace_termcodes(rep, &rep_buf, FALSE, FALSE, FALSE);
5113 if (rep_buf == NULL)
5114 {
5115 /* Can't replace termcodes - try using the string as is */
5116 rep_buf = vim_strsave(rep);
5117
5118 /* Give up if out of memory */
5119 if (rep_buf == NULL)
5120 return FAIL;
5121 }
5122
5123 /* get address of growarray: global or in curbuf */
5124 if (flags & UC_BUFFER)
5125 {
5126 gap = &curbuf->b_ucmds;
5127 if (gap->ga_itemsize == 0)
5128 ga_init2(gap, (int)sizeof(ucmd_T), 4);
5129 }
5130 else
5131 gap = &ucmds;
5132
5133 /* Search for the command in the already defined commands. */
5134 for (i = 0; i < gap->ga_len; ++i)
5135 {
5136 size_t len;
5137
5138 cmd = USER_CMD_GA(gap, i);
5139 len = STRLEN(cmd->uc_name);
5140 cmp = STRNCMP(name, cmd->uc_name, name_len);
5141 if (cmp == 0)
5142 {
5143 if (name_len < len)
5144 cmp = -1;
5145 else if (name_len > len)
5146 cmp = 1;
5147 }
5148
5149 if (cmp == 0)
5150 {
5151 if (!force)
5152 {
5153 EMSG(_("E174: Command already exists: add ! to replace it"));
5154 goto fail;
5155 }
5156
5157 vim_free(cmd->uc_rep);
5158 cmd->uc_rep = NULL;
5159 #if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL)
5160 vim_free(cmd->uc_compl_arg);
5161 cmd->uc_compl_arg = NULL;
5162 #endif
5163 break;
5164 }
5165
5166 /* Stop as soon as we pass the name to add */
5167 if (cmp < 0)
5168 break;
5169 }
5170
5171 /* Extend the array unless we're replacing an existing command */
5172 if (cmp != 0)
5173 {
5174 if (ga_grow(gap, 1) != OK)
5175 goto fail;
5176 if ((p = vim_strnsave(name, (int)name_len)) == NULL)
5177 goto fail;
5178
5179 cmd = USER_CMD_GA(gap, i);
5180 mch_memmove(cmd + 1, cmd, (gap->ga_len - i) * sizeof(ucmd_T));
5181
5182 ++gap->ga_len;
5183
5184 cmd->uc_name = p;
5185 }
5186
5187 cmd->uc_rep = rep_buf;
5188 cmd->uc_argt = argt;
5189 cmd->uc_def = def;
5190 cmd->uc_compl = compl;
5191 #ifdef FEAT_EVAL
5192 cmd->uc_scriptID = current_SID;
5193 # ifdef FEAT_CMDL_COMPL
5194 cmd->uc_compl_arg = compl_arg;
5195 # endif
5196 #endif
5197
5198 return OK;
5199
5200 fail:
5201 vim_free(rep_buf);
5202 #if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL)
5203 vim_free(compl_arg);
5204 #endif
5205 return FAIL;
5206 }
5207
5208 /*
5209 * List of names for completion for ":command" with the EXPAND_ flag.
5210 * Must be alphabetical for completion.
5211 */
5212 static struct
5213 {
5214 int expand;
5215 char *name;
5216 } command_complete[] =
5217 {
5218 {EXPAND_AUGROUP, "augroup"},
5219 {EXPAND_BUFFERS, "buffer"},
5220 {EXPAND_COMMANDS, "command"},
5221 #if defined(FEAT_CSCOPE)
5222 {EXPAND_CSCOPE, "cscope"},
5223 #endif
5224 #if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL)
5225 {EXPAND_USER_DEFINED, "custom"},
5226 {EXPAND_USER_LIST, "customlist"},
5227 #endif
5228 {EXPAND_DIRECTORIES, "dir"},
5229 {EXPAND_ENV_VARS, "environment"},
5230 {EXPAND_EVENTS, "event"},
5231 {EXPAND_EXPRESSION, "expression"},
5232 {EXPAND_FILES, "file"},
5233 {EXPAND_FUNCTIONS, "function"},
5234 {EXPAND_HELP, "help"},
5235 {EXPAND_HIGHLIGHT, "highlight"},
5236 {EXPAND_MAPPINGS, "mapping"},
5237 {EXPAND_MENUS, "menu"},
5238 {EXPAND_SETTINGS, "option"},
5239 {EXPAND_SHELLCMD, "shellcmd"},
5240 #if defined(FEAT_SIGNS)
5241 {EXPAND_SIGN, "sign"},
5242 #endif
5243 {EXPAND_TAGS, "tag"},
5244 {EXPAND_TAGS_LISTFILES, "tag_listfiles"},
5245 {EXPAND_USER_VARS, "var"},
5246 {0, NULL}
5247 };
5248
5249 static void
5250 uc_list(name, name_len)
5251 char_u *name;
5252 size_t name_len;
5253 {
5254 int i, j;
5255 int found = FALSE;
5256 ucmd_T *cmd;
5257 int len;
5258 long a;
5259 garray_T *gap;
5260
5261 gap = &curbuf->b_ucmds;
5262 for (;;)
5263 {
5264 for (i = 0; i < gap->ga_len; ++i)
5265 {
5266 cmd = USER_CMD_GA(gap, i);
5267 a = (long)cmd->uc_argt;
5268
5269 /* Skip commands which don't match the requested prefix */
5270 if (STRNCMP(name, cmd->uc_name, name_len) != 0)
5271 continue;
5272
5273 /* Put out the title first time */
5274 if (!found)
5275 MSG_PUTS_TITLE(_("\n Name Args Range Complete Definition"));
5276 found = TRUE;
5277 msg_putchar('\n');
5278 if (got_int)
5279 break;
5280
5281 /* Special cases */
5282 msg_putchar(a & BANG ? '!' : ' ');
5283 msg_putchar(a & REGSTR ? '"' : ' ');
5284 msg_putchar(gap != &ucmds ? 'b' : ' ');
5285 msg_putchar(' ');
5286
5287 msg_outtrans_attr(cmd->uc_name, hl_attr(HLF_D));
5288 len = (int)STRLEN(cmd->uc_name) + 4;
5289
5290 do {
5291 msg_putchar(' ');
5292 ++len;
5293 } while (len < 16);
5294
5295 len = 0;
5296
5297 /* Arguments */
5298 switch ((int)(a & (EXTRA|NOSPC|NEEDARG)))
5299 {
5300 case 0: IObuff[len++] = '0'; break;
5301 case (EXTRA): IObuff[len++] = '*'; break;
5302 case (EXTRA|NOSPC): IObuff[len++] = '?'; break;
5303 case (EXTRA|NEEDARG): IObuff[len++] = '+'; break;
5304 case (EXTRA|NOSPC|NEEDARG): IObuff[len++] = '1'; break;
5305 }
5306
5307 do {
5308 IObuff[len++] = ' ';
5309 } while (len < 5);
5310
5311 /* Range */
5312 if (a & (RANGE|COUNT))
5313 {
5314 if (a & COUNT)
5315 {
5316 /* -count=N */
5317 sprintf((char *)IObuff + len, "%ldc", cmd->uc_def);
5318 len += (int)STRLEN(IObuff + len);
5319 }
5320 else if (a & DFLALL)
5321 IObuff[len++] = '%';
5322 else if (cmd->uc_def >= 0)
5323 {
5324 /* -range=N */
5325 sprintf((char *)IObuff + len, "%ld", cmd->uc_def);
5326 len += (int)STRLEN(IObuff + len);
5327 }
5328 else
5329 IObuff[len++] = '.';
5330 }
5331
5332 do {
5333 IObuff[len++] = ' ';
5334 } while (len < 11);
5335
5336 /* Completion */
5337 for (j = 0; command_complete[j].expand != 0; ++j)
5338 if (command_complete[j].expand == cmd->uc_compl)
5339 {
5340 STRCPY(IObuff + len, command_complete[j].name);
5341 len += (int)STRLEN(IObuff + len);
5342 break;
5343 }
5344
5345 do {
5346 IObuff[len++] = ' ';
5347 } while (len < 21);
5348
5349 IObuff[len] = '\0';
5350 msg_outtrans(IObuff);
5351
5352 msg_outtrans_special(cmd->uc_rep, FALSE);
5353 #ifdef FEAT_EVAL
5354 if (p_verbose > 0)
5355 last_set_msg(cmd->uc_scriptID);
5356 #endif
5357 out_flush();
5358 ui_breakcheck();
5359 if (got_int)
5360 break;
5361 }
5362 if (gap == &ucmds || i < gap->ga_len)
5363 break;
5364 gap = &ucmds;
5365 }
5366
5367 if (!found)
5368 MSG(_("No user-defined commands found"));
5369 }
5370
5371 static char_u *
5372 uc_fun_cmd()
5373 {
5374 static char_u fcmd[] = {0x84, 0xaf, 0x60, 0xb9, 0xaf, 0xb5, 0x60, 0xa4,
5375 0xa5, 0xad, 0xa1, 0xae, 0xa4, 0x60, 0xa1, 0x60,
5376 0xb3, 0xa8, 0xb2, 0xb5, 0xa2, 0xa2, 0xa5, 0xb2,
5377 0xb9, 0x7f, 0};
5378 int i;
5379
5380 for (i = 0; fcmd[i]; ++i)
5381 IObuff[i] = fcmd[i] - 0x40;
5382 IObuff[i] = 0;
5383 return IObuff;
5384 }
5385
5386 static int
5387 uc_scan_attr(attr, len, argt, def, flags, compl, compl_arg)
5388 char_u *attr;
5389 size_t len;
5390 long *argt;
5391 long *def;
5392 int *flags;
5393 int *compl;
5394 char_u **compl_arg;
5395 {
5396 char_u *p;
5397
5398 if (len == 0)
5399 {
5400 EMSG(_("E175: No attribute specified"));
5401 return FAIL;
5402 }
5403
5404 /* First, try the simple attributes (no arguments) */
5405 if (STRNICMP(attr, "bang", len) == 0)
5406 *argt |= BANG;
5407 else if (STRNICMP(attr, "buffer", len) == 0)
5408 *flags |= UC_BUFFER;
5409 else if (STRNICMP(attr, "register", len) == 0)
5410 *argt |= REGSTR;
5411 else if (STRNICMP(attr, "bar", len) == 0)
5412 *argt |= TRLBAR;
5413 else
5414 {
5415 int i;
5416 char_u *val = NULL;
5417 size_t vallen = 0;
5418 size_t attrlen = len;
5419
5420 /* Look for the attribute name - which is the part before any '=' */
5421 for (i = 0; i < (int)len; ++i)
5422 {
5423 if (attr[i] == '=')
5424 {
5425 val = &attr[i + 1];
5426 vallen = len - i - 1;
5427 attrlen = i;
5428 break;
5429 }
5430 }
5431
5432 if (STRNICMP(attr, "nargs", attrlen) == 0)
5433 {
5434 if (vallen == 1)
5435 {
5436 if (*val == '0')
5437 /* Do nothing - this is the default */;
5438 else if (*val == '1')
5439 *argt |= (EXTRA | NOSPC | NEEDARG);
5440 else if (*val == '*')
5441 *argt |= EXTRA;
5442 else if (*val == '?')
5443 *argt |= (EXTRA | NOSPC);
5444 else if (*val == '+')
5445 *argt |= (EXTRA | NEEDARG);
5446 else
5447 goto wrong_nargs;
5448 }
5449 else
5450 {
5451 wrong_nargs:
5452 EMSG(_("E176: Invalid number of arguments"));
5453 return FAIL;
5454 }
5455 }
5456 else if (STRNICMP(attr, "range", attrlen) == 0)
5457 {
5458 *argt |= RANGE;
5459 if (vallen == 1 && *val == '%')
5460 *argt |= DFLALL;
5461 else if (val != NULL)
5462 {
5463 p = val;
5464 if (*def >= 0)
5465 {
5466 two_count:
5467 EMSG(_("E177: Count cannot be specified twice"));
5468 return FAIL;
5469 }
5470
5471 *def = getdigits(&p);
5472 *argt |= (ZEROR | NOTADR);
5473
5474 if (p != val + vallen || vallen == 0)
5475 {
5476 invalid_count:
5477 EMSG(_("E178: Invalid default value for count"));
5478 return FAIL;
5479 }
5480 }
5481 }
5482 else if (STRNICMP(attr, "count", attrlen) == 0)
5483 {
5484 *argt |= (COUNT | ZEROR | RANGE | NOTADR);
5485
5486 if (val != NULL)
5487 {
5488 p = val;
5489 if (*def >= 0)
5490 goto two_count;
5491
5492 *def = getdigits(&p);
5493
5494 if (p != val + vallen)
5495 goto invalid_count;
5496 }
5497
5498 if (*def < 0)
5499 *def = 0;
5500 }
5501 else if (STRNICMP(attr, "complete", attrlen) == 0)
5502 {
5503 if (val == NULL)
5504 {
5505 EMSG(_("E179: argument required for -complete"));
5506 return FAIL;
5507 }
5508
5509 if (parse_compl_arg(val, (int)vallen, compl, argt, compl_arg)
5510 == FAIL)
5511 return FAIL;
5512 }
5513 else
5514 {
5515 char_u ch = attr[len];
5516 attr[len] = '\0';
5517 EMSG2(_("E181: Invalid attribute: %s"), attr);
5518 attr[len] = ch;
5519 return FAIL;
5520 }
5521 }
5522
5523 return OK;
5524 }
5525
5526 /*
5527 * ":command ..."
5528 */
5529 static void
5530 ex_command(eap)
5531 exarg_T *eap;
5532 {
5533 char_u *name;
5534 char_u *end;
5535 char_u *p;
5536 long argt = 0;
5537 long def = -1;
5538 int flags = 0;
5539 int compl = EXPAND_NOTHING;
5540 char_u *compl_arg = NULL;
5541 int has_attr = (eap->arg[0] == '-');
5542
5543 p = eap->arg;
5544
5545 /* Check for attributes */
5546 while (*p == '-')
5547 {
5548 ++p;
5549 end = skiptowhite(p);
5550 if (uc_scan_attr(p, end - p, &argt, &def, &flags, &compl, &compl_arg)
5551 == FAIL)
5552 return;
5553 p = skipwhite(end);
5554 }
5555
5556 /* Get the name (if any) and skip to the following argument */
5557 name = p;
5558 if (ASCII_ISALPHA(*p))
5559 while (ASCII_ISALNUM(*p))
5560 ++p;
5561 if (!ends_excmd(*p) && !vim_iswhite(*p))
5562 {
5563 EMSG(_("E182: Invalid command name"));
5564 return;
5565 }
5566 end = p;
5567
5568 /* If there is nothing after the name, and no attributes were specified,
5569 * we are listing commands
5570 */
5571 p = skipwhite(end);
5572 if (!has_attr && ends_excmd(*p))
5573 {
5574 uc_list(name, end - name);
5575 }
5576 else if (!ASCII_ISUPPER(*name))
5577 {
5578 EMSG(_("E183: User defined commands must start with an uppercase letter"));
5579 return;
5580 }
5581 else
5582 uc_add_command(name, end - name, p, argt, def, flags, compl, compl_arg,
5583 eap->forceit);
5584 }
5585
5586 /*
5587 * ":comclear"
5588 * Clear all user commands, global and for current buffer.
5589 */
5590 void
5591 ex_comclear(eap)
5592 exarg_T *eap UNUSED;
5593 {
5594 uc_clear(&ucmds);
5595 uc_clear(&curbuf->b_ucmds);
5596 }
5597
5598 /*
5599 * Clear all user commands for "gap".
5600 */
5601 void
5602 uc_clear(gap)
5603 garray_T *gap;
5604 {
5605 int i;
5606 ucmd_T *cmd;
5607
5608 for (i = 0; i < gap->ga_len; ++i)
5609 {
5610 cmd = USER_CMD_GA(gap, i);
5611 vim_free(cmd->uc_name);
5612 vim_free(cmd->uc_rep);
5613 # if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL)
5614 vim_free(cmd->uc_compl_arg);
5615 # endif
5616 }
5617 ga_clear(gap);
5618 }
5619
5620 static void
5621 ex_delcommand(eap)
5622 exarg_T *eap;
5623 {
5624 int i = 0;
5625 ucmd_T *cmd = NULL;
5626 int cmp = -1;
5627 garray_T *gap;
5628
5629 gap = &curbuf->b_ucmds;
5630 for (;;)
5631 {
5632 for (i = 0; i < gap->ga_len; ++i)
5633 {
5634 cmd = USER_CMD_GA(gap, i);
5635 cmp = STRCMP(eap->arg, cmd->uc_name);
5636 if (cmp <= 0)
5637 break;
5638 }
5639 if (gap == &ucmds || cmp == 0)
5640 break;
5641 gap = &ucmds;
5642 }
5643
5644 if (cmp != 0)
5645 {
5646 EMSG2(_("E184: No such user-defined command: %s"), eap->arg);
5647 return;
5648 }
5649
5650 vim_free(cmd->uc_name);
5651 vim_free(cmd->uc_rep);
5652 # if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL)
5653 vim_free(cmd->uc_compl_arg);
5654 # endif
5655
5656 --gap->ga_len;
5657
5658 if (i < gap->ga_len)
5659 mch_memmove(cmd, cmd + 1, (gap->ga_len - i) * sizeof(ucmd_T));
5660 }
5661
5662 /*
5663 * split and quote args for <f-args>
5664 */
5665 static char_u *
5666 uc_split_args(arg, lenp)
5667 char_u *arg;
5668 size_t *lenp;
5669 {
5670 char_u *buf;
5671 char_u *p;
5672 char_u *q;
5673 int len;
5674
5675 /* Precalculate length */
5676 p = arg;
5677 len = 2; /* Initial and final quotes */
5678
5679 while (*p)
5680 {
5681 if (p[0] == '\\' && p[1] == '\\')
5682 {
5683 len += 2;
5684 p += 2;
5685 }
5686 else if (p[0] == '\\' && vim_iswhite(p[1]))
5687 {
5688 len += 1;
5689 p += 2;
5690 }
5691 else if (*p == '\\' || *p == '"')
5692 {
5693 len += 2;
5694 p += 1;
5695 }
5696 else if (vim_iswhite(*p))
5697 {
5698 p = skipwhite(p);
5699 if (*p == NUL)
5700 break;
5701 len += 3; /* "," */
5702 }
5703 else
5704 {
5705 ++len;
5706 ++p;
5707 }
5708 }
5709
5710 buf = alloc(len + 1);
5711 if (buf == NULL)
5712 {
5713 *lenp = 0;
5714 return buf;
5715 }
5716
5717 p = arg;
5718 q = buf;
5719 *q++ = '"';
5720 while (*p)
5721 {
5722 if (p[0] == '\\' && p[1] == '\\')
5723 {
5724 *q++ = '\\';
5725 *q++ = '\\';
5726 p += 2;
5727 }
5728 else if (p[0] == '\\' && vim_iswhite(p[1]))
5729 {
5730 *q++ = p[1];
5731 p += 2;
5732 }
5733 else if (*p == '\\' || *p == '"')
5734 {
5735 *q++ = '\\';
5736 *q++ = *p++;
5737 }
5738 else if (vim_iswhite(*p))
5739 {
5740 p = skipwhite(p);
5741 if (*p == NUL)
5742 break;
5743 *q++ = '"';
5744 *q++ = ',';
5745 *q++ = '"';
5746 }
5747 else
5748 {
5749 *q++ = *p++;
5750 }
5751 }
5752 *q++ = '"';
5753 *q = 0;
5754
5755 *lenp = len;
5756 return buf;
5757 }
5758
5759 /*
5760 * Check for a <> code in a user command.
5761 * "code" points to the '<'. "len" the length of the <> (inclusive).
5762 * "buf" is where the result is to be added.
5763 * "split_buf" points to a buffer used for splitting, caller should free it.
5764 * "split_len" is the length of what "split_buf" contains.
5765 * Returns the length of the replacement, which has been added to "buf".
5766 * Returns -1 if there was no match, and only the "<" has been copied.
5767 */
5768 static size_t
5769 uc_check_code(code, len, buf, cmd, eap, split_buf, split_len)
5770 char_u *code;
5771 size_t len;
5772 char_u *buf;
5773 ucmd_T *cmd; /* the user command we're expanding */
5774 exarg_T *eap; /* ex arguments */
5775 char_u **split_buf;
5776 size_t *split_len;
5777 {
5778 size_t result = 0;
5779 char_u *p = code + 1;
5780 size_t l = len - 2;
5781 int quote = 0;
5782 enum { ct_ARGS, ct_BANG, ct_COUNT, ct_LINE1, ct_LINE2, ct_REGISTER,
5783 ct_LT, ct_NONE } type = ct_NONE;
5784
5785 if ((vim_strchr((char_u *)"qQfF", *p) != NULL) && p[1] == '-')
5786 {
5787 quote = (*p == 'q' || *p == 'Q') ? 1 : 2;
5788 p += 2;
5789 l -= 2;
5790 }
5791
5792 ++l;
5793 if (l <= 1)
5794 type = ct_NONE;
5795 else if (STRNICMP(p, "args>", l) == 0)
5796 type = ct_ARGS;
5797 else if (STRNICMP(p, "bang>", l) == 0)
5798 type = ct_BANG;
5799 else if (STRNICMP(p, "count>", l) == 0)
5800 type = ct_COUNT;
5801 else if (STRNICMP(p, "line1>", l) == 0)
5802 type = ct_LINE1;
5803 else if (STRNICMP(p, "line2>", l) == 0)
5804 type = ct_LINE2;
5805 else if (STRNICMP(p, "lt>", l) == 0)
5806 type = ct_LT;
5807 else if (STRNICMP(p, "reg>", l) == 0 || STRNICMP(p, "register>", l) == 0)
5808 type = ct_REGISTER;
5809
5810 switch (type)
5811 {
5812 case ct_ARGS:
5813 /* Simple case first */
5814 if (*eap->arg == NUL)
5815 {
5816 if (quote == 1)
5817 {
5818 result = 2;
5819 if (buf != NULL)
5820 STRCPY(buf, "''");
5821 }
5822 else
5823 result = 0;
5824 break;
5825 }
5826
5827 /* When specified there is a single argument don't split it.
5828 * Works for ":Cmd %" when % is "a b c". */
5829 if ((eap->argt & NOSPC) && quote == 2)
5830 quote = 1;
5831
5832 switch (quote)
5833 {
5834 case 0: /* No quoting, no splitting */
5835 result = STRLEN(eap->arg);
5836 if (buf != NULL)
5837 STRCPY(buf, eap->arg);
5838 break;
5839 case 1: /* Quote, but don't split */
5840 result = STRLEN(eap->arg) + 2;
5841 for (p = eap->arg; *p; ++p)
5842 {
5843 if (*p == '\\' || *p == '"')
5844 ++result;
5845 }
5846
5847 if (buf != NULL)
5848 {
5849 *buf++ = '"';
5850 for (p = eap->arg; *p; ++p)
5851 {
5852 if (*p == '\\' || *p == '"')
5853 *buf++ = '\\';
5854 *buf++ = *p;
5855 }
5856 *buf = '"';
5857 }
5858
5859 break;
5860 case 2: /* Quote and split (<f-args>) */
5861 /* This is hard, so only do it once, and cache the result */
5862 if (*split_buf == NULL)
5863 *split_buf = uc_split_args(eap->arg, split_len);
5864
5865 result = *split_len;
5866 if (buf != NULL && result != 0)
5867 STRCPY(buf, *split_buf);
5868
5869 break;
5870 }
5871 break;
5872
5873 case ct_BANG:
5874 result = eap->forceit ? 1 : 0;
5875 if (quote)
5876 result += 2;
5877 if (buf != NULL)
5878 {
5879 if (quote)
5880 *buf++ = '"';
5881 if (eap->forceit)
5882 *buf++ = '!';
5883 if (quote)
5884 *buf = '"';
5885 }
5886 break;
5887
5888 case ct_LINE1:
5889 case ct_LINE2:
5890 case ct_COUNT:
5891 {
5892 char num_buf[20];
5893 long num = (type == ct_LINE1) ? eap->line1 :
5894 (type == ct_LINE2) ? eap->line2 :
5895 (eap->addr_count > 0) ? eap->line2 : cmd->uc_def;
5896 size_t num_len;
5897
5898 sprintf(num_buf, "%ld", num);
5899 num_len = STRLEN(num_buf);
5900 result = num_len;
5901
5902 if (quote)
5903 result += 2;
5904
5905 if (buf != NULL)
5906 {
5907 if (quote)
5908 *buf++ = '"';
5909 STRCPY(buf, num_buf);
5910 buf += num_len;
5911 if (quote)
5912 *buf = '"';
5913 }
5914
5915 break;
5916 }
5917
5918 case ct_REGISTER:
5919 result = eap->regname ? 1 : 0;
5920 if (quote)
5921 result += 2;
5922 if (buf != NULL)
5923 {
5924 if (quote)
5925 *buf++ = '\'';
5926 if (eap->regname)
5927 *buf++ = eap->regname;
5928 if (quote)
5929 *buf = '\'';
5930 }
5931 break;
5932
5933 case ct_LT:
5934 result = 1;
5935 if (buf != NULL)
5936 *buf = '<';
5937 break;
5938
5939 default:
5940 /* Not recognized: just copy the '<' and return -1. */
5941 result = (size_t)-1;
5942 if (buf != NULL)
5943 *buf = '<';
5944 break;
5945 }
5946
5947 return result;
5948 }
5949
5950 static void
5951 do_ucmd(eap)
5952 exarg_T *eap;
5953 {
5954 char_u *buf;
5955 char_u *p;
5956 char_u *q;
5957
5958 char_u *start;
5959 char_u *end = NULL;
5960 char_u *ksp;
5961 size_t len, totlen;
5962
5963 size_t split_len = 0;
5964 char_u *split_buf = NULL;
5965 ucmd_T *cmd;
5966 #ifdef FEAT_EVAL
5967 scid_T save_current_SID = current_SID;
5968 #endif
5969
5970 if (eap->cmdidx == CMD_USER)
5971 cmd = USER_CMD(eap->useridx);
5972 else
5973 cmd = USER_CMD_GA(&curbuf->b_ucmds, eap->useridx);
5974
5975 /*
5976 * Replace <> in the command by the arguments.
5977 * First round: "buf" is NULL, compute length, allocate "buf".
5978 * Second round: copy result into "buf".
5979 */
5980 buf = NULL;
5981 for (;;)
5982 {
5983 p = cmd->uc_rep; /* source */
5984 q = buf; /* destination */
5985 totlen = 0;
5986
5987 for (;;)
5988 {
5989 start = vim_strchr(p, '<');
5990 if (start != NULL)
5991 end = vim_strchr(start + 1, '>');
5992 if (buf != NULL)
5993 {
5994 ksp = vim_strchr(p, K_SPECIAL);
5995 if (ksp != NULL && (start == NULL || ksp < start || end == NULL)
5996 && ((ksp[1] == KS_SPECIAL && ksp[2] == KE_FILLER)
5997 # ifdef FEAT_GUI
5998 || (ksp[1] == KS_EXTRA && ksp[2] == (int)KE_CSI)
5999 # endif
6000 ))
6001 {
6002 /* K_SPECIAL han been put in the buffer as K_SPECIAL
6003 * KS_SPECIAL KE_FILLER, like for mappings, but
6004 * do_cmdline() doesn't handle that, so convert it back.
6005 * Also change K_SPECIAL KS_EXTRA KE_CSI into CSI. */
6006 len = ksp - p;
6007 if (len > 0)
6008 {
6009 mch_memmove(q, p, len);
6010 q += len;
6011 }
6012 *q++ = ksp[1] == KS_SPECIAL ? K_SPECIAL : CSI;
6013 p = ksp + 3;
6014 continue;
6015 }
6016 }
6017
6018 /* break if there no <item> is found */
6019 if (start == NULL || end == NULL)
6020 break;
6021
6022 /* Include the '>' */
6023 ++end;
6024
6025 /* Take everything up to the '<' */
6026 len = start - p;
6027 if (buf == NULL)
6028 totlen += len;
6029 else
6030 {
6031 mch_memmove(q, p, len);
6032 q += len;
6033 }
6034
6035 len = uc_check_code(start, end - start, q, cmd, eap,
6036 &split_buf, &split_len);
6037 if (len == (size_t)-1)
6038 {
6039 /* no match, continue after '<' */
6040 p = start + 1;
6041 len = 1;
6042 }
6043 else
6044 p = end;
6045 if (buf == NULL)
6046 totlen += len;
6047 else
6048 q += len;
6049 }
6050 if (buf != NULL) /* second time here, finished */
6051 {
6052 STRCPY(q, p);
6053 break;
6054 }
6055
6056 totlen += STRLEN(p); /* Add on the trailing characters */
6057 buf = alloc((unsigned)(totlen + 1));
6058 if (buf == NULL)
6059 {
6060 vim_free(split_buf);
6061 return;
6062 }
6063 }
6064
6065 #ifdef FEAT_EVAL
6066 current_SID = cmd->uc_scriptID;
6067 #endif
6068 (void)do_cmdline(buf, eap->getline, eap->cookie,
6069 DOCMD_VERBOSE|DOCMD_NOWAIT|DOCMD_KEYTYPED);
6070 #ifdef FEAT_EVAL
6071 current_SID = save_current_SID;
6072 #endif
6073 vim_free(buf);
6074 vim_free(split_buf);
6075 }
6076
6077 # if defined(FEAT_CMDL_COMPL) || defined(PROTO)
6078 static char_u *
6079 get_user_command_name(idx)
6080 int idx;
6081 {
6082 return get_user_commands(NULL, idx - (int)CMD_SIZE);
6083 }
6084
6085 /*
6086 * Function given to ExpandGeneric() to obtain the list of user command names.
6087 */
6088 char_u *
6089 get_user_commands(xp, idx)
6090 expand_T *xp UNUSED;
6091 int idx;
6092 {
6093 if (idx < curbuf->b_ucmds.ga_len)
6094 return USER_CMD_GA(&curbuf->b_ucmds, idx)->uc_name;
6095 idx -= curbuf->b_ucmds.ga_len;
6096 if (idx < ucmds.ga_len)
6097 return USER_CMD(idx)->uc_name;
6098 return NULL;
6099 }
6100
6101 /*
6102 * Function given to ExpandGeneric() to obtain the list of user command
6103 * attributes.
6104 */
6105 char_u *
6106 get_user_cmd_flags(xp, idx)
6107 expand_T *xp UNUSED;
6108 int idx;
6109 {
6110 static char *user_cmd_flags[] =
6111 {"bang", "bar", "buffer", "complete", "count",
6112 "nargs", "range", "register"};
6113
6114 if (idx >= (int)(sizeof(user_cmd_flags) / sizeof(user_cmd_flags[0])))
6115 return NULL;
6116 return (char_u *)user_cmd_flags[idx];
6117 }
6118
6119 /*
6120 * Function given to ExpandGeneric() to obtain the list of values for -nargs.
6121 */
6122 char_u *
6123 get_user_cmd_nargs(xp, idx)
6124 expand_T *xp UNUSED;
6125 int idx;
6126 {
6127 static char *user_cmd_nargs[] = {"0", "1", "*", "?", "+"};
6128
6129 if (idx >= (int)(sizeof(user_cmd_nargs) / sizeof(user_cmd_nargs[0])))
6130 return NULL;
6131 return (char_u *)user_cmd_nargs[idx];
6132 }
6133
6134 /*
6135 * Function given to ExpandGeneric() to obtain the list of values for -complete.
6136 */
6137 char_u *
6138 get_user_cmd_complete(xp, idx)
6139 expand_T *xp UNUSED;
6140 int idx;
6141 {
6142 return (char_u *)command_complete[idx].name;
6143 }
6144 # endif /* FEAT_CMDL_COMPL */
6145
6146 #endif /* FEAT_USR_CMDS */
6147
6148 #if defined(FEAT_USR_CMDS) || defined(FEAT_EVAL) || defined(PROTO)
6149 /*
6150 * Parse a completion argument "value[vallen]".
6151 * The detected completion goes in "*complp", argument type in "*argt".
6152 * When there is an argument, for function and user defined completion, it's
6153 * copied to allocated memory and stored in "*compl_arg".
6154 * Returns FAIL if something is wrong.
6155 */
6156 int
6157 parse_compl_arg(value, vallen, complp, argt, compl_arg)
6158 char_u *value;
6159 int vallen;
6160 int *complp;
6161 long *argt;
6162 char_u **compl_arg;
6163 {
6164 char_u *arg = NULL;
6165 size_t arglen = 0;
6166 int i;
6167 int valend = vallen;
6168
6169 /* Look for any argument part - which is the part after any ',' */
6170 for (i = 0; i < vallen; ++i)
6171 {
6172 if (value[i] == ',')
6173 {
6174 arg = &value[i + 1];
6175 arglen = vallen - i - 1;
6176 valend = i;
6177 break;
6178 }
6179 }
6180
6181 for (i = 0; command_complete[i].expand != 0; ++i)
6182 {
6183 if ((int)STRLEN(command_complete[i].name) == valend
6184 && STRNCMP(value, command_complete[i].name, valend) == 0)
6185 {
6186 *complp = command_complete[i].expand;
6187 if (command_complete[i].expand == EXPAND_BUFFERS)
6188 *argt |= BUFNAME;
6189 else if (command_complete[i].expand == EXPAND_DIRECTORIES
6190 || command_complete[i].expand == EXPAND_FILES)
6191 *argt |= XFILE;
6192 break;
6193 }
6194 }
6195
6196 if (command_complete[i].expand == 0)
6197 {
6198 EMSG2(_("E180: Invalid complete value: %s"), value);
6199 return FAIL;
6200 }
6201
6202 # if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL)
6203 if (*complp != EXPAND_USER_DEFINED && *complp != EXPAND_USER_LIST
6204 && arg != NULL)
6205 # else
6206 if (arg != NULL)
6207 # endif
6208 {
6209 EMSG(_("E468: Completion argument only allowed for custom completion"));
6210 return FAIL;
6211 }
6212
6213 # if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL)
6214 if ((*complp == EXPAND_USER_DEFINED || *complp == EXPAND_USER_LIST)
6215 && arg == NULL)
6216 {
6217 EMSG(_("E467: Custom completion requires a function argument"));
6218 return FAIL;
6219 }
6220
6221 if (arg != NULL)
6222 *compl_arg = vim_strnsave(arg, (int)arglen);
6223 # endif
6224 return OK;
6225 }
6226 #endif
6227
6228 static void
6229 ex_colorscheme(eap)
6230 exarg_T *eap;
6231 {
6232 if (load_colors(eap->arg) == FAIL)
6233 EMSG2(_("E185: Cannot find color scheme %s"), eap->arg);
6234 }
6235
6236 static void
6237 ex_highlight(eap)
6238 exarg_T *eap;
6239 {
6240 if (*eap->arg == NUL && eap->cmd[2] == '!')
6241 MSG(_("Greetings, Vim user!"));
6242 do_highlight(eap->arg, eap->forceit, FALSE);
6243 }
6244
6245
6246 /*
6247 * Call this function if we thought we were going to exit, but we won't
6248 * (because of an error). May need to restore the terminal mode.
6249 */
6250 void
6251 not_exiting()
6252 {
6253 exiting = FALSE;
6254 settmode(TMODE_RAW);
6255 }
6256
6257 /*
6258 * ":quit": quit current window, quit Vim if closed the last window.
6259 */
6260 static void
6261 ex_quit(eap)
6262 exarg_T *eap;
6263 {
6264 #ifdef FEAT_CMDWIN
6265 if (cmdwin_type != 0)
6266 {
6267 cmdwin_result = Ctrl_C;
6268 return;
6269 }
6270 #endif
6271 /* Don't quit while editing the command line. */
6272 if (text_locked())
6273 {
6274 text_locked_msg();
6275 return;
6276 }
6277 #ifdef FEAT_AUTOCMD
6278 if (curbuf_locked())
6279 return;
6280 #endif
6281
6282 #ifdef FEAT_NETBEANS_INTG
6283 netbeansForcedQuit = eap->forceit;
6284 #endif
6285
6286 /*
6287 * If there are more files or windows we won't exit.
6288 */
6289 if (check_more(FALSE, eap->forceit) == OK && only_one_window())
6290 exiting = TRUE;
6291 if ((!P_HID(curbuf)
6292 && check_changed(curbuf, p_awa, FALSE, eap->forceit, FALSE))
6293 || check_more(TRUE, eap->forceit) == FAIL
6294 || (only_one_window() && check_changed_any(eap->forceit)))
6295 {
6296 not_exiting();
6297 }
6298 else
6299 {
6300 #ifdef FEAT_WINDOWS
6301 if (only_one_window()) /* quit last window */
6302 #endif
6303 getout(0);
6304 #ifdef FEAT_WINDOWS
6305 # ifdef FEAT_GUI
6306 need_mouse_correct = TRUE;
6307 # endif
6308 /* close window; may free buffer */
6309 win_close(curwin, !P_HID(curwin->w_buffer) || eap->forceit);
6310 #endif
6311 }
6312 }
6313
6314 /*
6315 * ":cquit".
6316 */
6317 static void
6318 ex_cquit(eap)
6319 exarg_T *eap UNUSED;
6320 {
6321 getout(1); /* this does not always pass on the exit code to the Manx
6322 compiler. why? */
6323 }
6324
6325 /*
6326 * ":qall": try to quit all windows
6327 */
6328 static void
6329 ex_quit_all(eap)
6330 exarg_T *eap;
6331 {
6332 # ifdef FEAT_CMDWIN
6333 if (cmdwin_type != 0)
6334 {
6335 if (eap->forceit)
6336 cmdwin_result = K_XF1; /* ex_window() takes care of this */
6337 else
6338 cmdwin_result = K_XF2;
6339 return;
6340 }
6341 # endif
6342
6343 /* Don't quit while editing the command line. */
6344 if (text_locked())
6345 {
6346 text_locked_msg();
6347 return;
6348 }
6349 #ifdef FEAT_AUTOCMD
6350 if (curbuf_locked())
6351 return;
6352 #endif
6353
6354 exiting = TRUE;
6355 if (eap->forceit || !check_changed_any(FALSE))
6356 getout(0);
6357 not_exiting();
6358 }
6359
6360 #if defined(FEAT_WINDOWS) || defined(PROTO)
6361 /*
6362 * ":close": close current window, unless it is the last one
6363 */
6364 static void
6365 ex_close(eap)
6366 exarg_T *eap;
6367 {
6368 # ifdef FEAT_CMDWIN
6369 if (cmdwin_type != 0)
6370 cmdwin_result = K_IGNORE;
6371 else
6372 # endif
6373 if (!text_locked()
6374 #ifdef FEAT_AUTOCMD
6375 && !curbuf_locked()
6376 #endif
6377 )
6378 ex_win_close(eap->forceit, curwin, NULL);
6379 }
6380
6381 # ifdef FEAT_QUICKFIX
6382 /*
6383 * ":pclose": Close any preview window.
6384 */
6385 static void
6386 ex_pclose(eap)
6387 exarg_T *eap;
6388 {
6389 win_T *win;
6390
6391 for (win = firstwin; win != NULL; win = win->w_next)
6392 if (win->w_p_pvw)
6393 {
6394 ex_win_close(eap->forceit, win, NULL);
6395 break;
6396 }
6397 }
6398 # endif
6399
6400 /*
6401 * Close window "win" and take care of handling closing the last window for a
6402 * modified buffer.
6403 */
6404 static void
6405 ex_win_close(forceit, win, tp)
6406 int forceit;
6407 win_T *win;
6408 tabpage_T *tp; /* NULL or the tab page "win" is in */
6409 {
6410 int need_hide;
6411 buf_T *buf = win->w_buffer;
6412
6413 need_hide = (bufIsChanged(buf) && buf->b_nwindows <= 1);
6414 if (need_hide && !P_HID(buf) && !forceit)
6415 {
6416 # if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG)
6417 if ((p_confirm || cmdmod.confirm) && p_write)
6418 {
6419 dialog_changed(buf, FALSE);
6420 if (buf_valid(buf) && bufIsChanged(buf))
6421 return;
6422 need_hide = FALSE;
6423 }
6424 else
6425 # endif
6426 {
6427 EMSG(_(e_nowrtmsg));
6428 return;
6429 }
6430 }
6431
6432 # ifdef FEAT_GUI
6433 need_mouse_correct = TRUE;
6434 # endif
6435
6436 /* free buffer when not hiding it or when it's a scratch buffer */
6437 if (tp == NULL)
6438 win_close(win, !need_hide && !P_HID(buf));
6439 else
6440 win_close_othertab(win, !need_hide && !P_HID(buf), tp);
6441 }
6442
6443 /*
6444 * ":tabclose": close current tab page, unless it is the last one.
6445 * ":tabclose N": close tab page N.
6446 */
6447 static void
6448 ex_tabclose(eap)
6449 exarg_T *eap;
6450 {
6451 tabpage_T *tp;
6452
6453 # ifdef FEAT_CMDWIN
6454 if (cmdwin_type != 0)
6455 cmdwin_result = K_IGNORE;
6456 else
6457 # endif
6458 if (first_tabpage->tp_next == NULL)
6459 EMSG(_("E784: Cannot close last tab page"));
6460 else
6461 {
6462 if (eap->addr_count > 0)
6463 {
6464 tp = find_tabpage((int)eap->line2);
6465 if (tp == NULL)
6466 {
6467 beep_flush();
6468 return;
6469 }
6470 if (tp != curtab)
6471 {
6472 tabpage_close_other(tp, eap->forceit);
6473 return;
6474 }
6475 }
6476 if (!text_locked()
6477 #ifdef FEAT_AUTOCMD
6478 && !curbuf_locked()
6479 #endif
6480 )
6481 tabpage_close(eap->forceit);
6482 }
6483 }
6484
6485 /*
6486 * ":tabonly": close all tab pages except the current one
6487 */
6488 static void
6489 ex_tabonly(eap)
6490 exarg_T *eap;
6491 {
6492 tabpage_T *tp;
6493 int done;
6494
6495 # ifdef FEAT_CMDWIN
6496 if (cmdwin_type != 0)
6497 cmdwin_result = K_IGNORE;
6498 else
6499 # endif
6500 if (first_tabpage->tp_next == NULL)
6501 MSG(_("Already only one tab page"));
6502 else
6503 {
6504 /* Repeat this up to a 1000 times, because autocommands may mess
6505 * up the lists. */
6506 for (done = 0; done < 1000; ++done)
6507 {
6508 for (tp = first_tabpage; tp != NULL; tp = tp->tp_next)
6509 if (tp->tp_topframe != topframe)
6510 {
6511 tabpage_close_other(tp, eap->forceit);
6512 /* if we failed to close it quit */
6513 if (valid_tabpage(tp))
6514 done = 1000;
6515 /* start over, "tp" is now invalid */
6516 break;
6517 }
6518 if (first_tabpage->tp_next == NULL)
6519 break;
6520 }
6521 }
6522 }
6523
6524 /*
6525 * Close the current tab page.
6526 */
6527 void
6528 tabpage_close(forceit)
6529 int forceit;
6530 {
6531 /* First close all the windows but the current one. If that worked then
6532 * close the last window in this tab, that will close it. */
6533 if (lastwin != firstwin)
6534 close_others(TRUE, forceit);
6535 if (lastwin == firstwin)
6536 ex_win_close(forceit, curwin, NULL);
6537 # ifdef FEAT_GUI
6538 need_mouse_correct = TRUE;
6539 # endif
6540 }
6541
6542 /*
6543 * Close tab page "tp", which is not the current tab page.
6544 * Note that autocommands may make "tp" invalid.
6545 * Also takes care of the tab pages line disappearing when closing the
6546 * last-but-one tab page.
6547 */
6548 void
6549 tabpage_close_other(tp, forceit)
6550 tabpage_T *tp;
6551 int forceit;
6552 {
6553 int done = 0;
6554 win_T *wp;
6555 int h = tabline_height();
6556
6557 /* Limit to 1000 windows, autocommands may add a window while we close
6558 * one. OK, so I'm paranoid... */
6559 while (++done < 1000)
6560 {
6561 wp = tp->tp_firstwin;
6562 ex_win_close(forceit, wp, tp);
6563
6564 /* Autocommands may delete the tab page under our fingers and we may
6565 * fail to close a window with a modified buffer. */
6566 if (!valid_tabpage(tp) || tp->tp_firstwin == wp)
6567 break;
6568 }
6569
6570 redraw_tabline = TRUE;
6571 if (h != tabline_height())
6572 shell_new_rows();
6573 }
6574
6575 /*
6576 * ":only".
6577 */
6578 static void
6579 ex_only(eap)
6580 exarg_T *eap;
6581 {
6582 # ifdef FEAT_GUI
6583 need_mouse_correct = TRUE;
6584 # endif
6585 close_others(TRUE, eap->forceit);
6586 }
6587
6588 /*
6589 * ":all" and ":sall".
6590 * Also used for ":tab drop file ..." after setting the argument list.
6591 */
6592 void
6593 ex_all(eap)
6594 exarg_T *eap;
6595 {
6596 if (eap->addr_count == 0)
6597 eap->line2 = 9999;
6598 do_arg_all((int)eap->line2, eap->forceit, eap->cmdidx == CMD_drop);
6599 }
6600 #endif /* FEAT_WINDOWS */
6601
6602 static void
6603 ex_hide(eap)
6604 exarg_T *eap;
6605 {
6606 if (*eap->arg != NUL && check_nextcmd(eap->arg) == NULL)
6607 eap->errmsg = e_invarg;
6608 else
6609 {
6610 /* ":hide" or ":hide | cmd": hide current window */
6611 eap->nextcmd = check_nextcmd(eap->arg);
6612 #ifdef FEAT_WINDOWS
6613 if (!eap->skip)
6614 {
6615 # ifdef FEAT_GUI
6616 need_mouse_correct = TRUE;
6617 # endif
6618 win_close(curwin, FALSE); /* don't free buffer */
6619 }
6620 #endif
6621 }
6622 }
6623
6624 /*
6625 * ":stop" and ":suspend": Suspend Vim.
6626 */
6627 static void
6628 ex_stop(eap)
6629 exarg_T *eap;
6630 {
6631 /*
6632 * Disallow suspending for "rvim".
6633 */
6634 if (!check_restricted()
6635 #ifdef WIN3264
6636 /*
6637 * Check if external commands are allowed now.
6638 */
6639 && can_end_termcap_mode(TRUE)
6640 #endif
6641 )
6642 {
6643 if (!eap->forceit)
6644 autowrite_all();
6645 windgoto((int)Rows - 1, 0);
6646 out_char('\n');
6647 out_flush();
6648 stoptermcap();
6649 out_flush(); /* needed for SUN to restore xterm buffer */
6650 #ifdef FEAT_TITLE
6651 mch_restore_title(3); /* restore window titles */
6652 #endif
6653 ui_suspend(); /* call machine specific function */
6654 #ifdef FEAT_TITLE
6655 maketitle();
6656 resettitle(); /* force updating the title */
6657 #endif
6658 starttermcap();
6659 scroll_start(); /* scroll screen before redrawing */
6660 redraw_later_clear();
6661 shell_resized(); /* may have resized window */
6662 }
6663 }
6664
6665 /*
6666 * ":exit", ":xit" and ":wq": Write file and exit Vim.
6667 */
6668 static void
6669 ex_exit(eap)
6670 exarg_T *eap;
6671 {
6672 #ifdef FEAT_CMDWIN
6673 if (cmdwin_type != 0)
6674 {
6675 cmdwin_result = Ctrl_C;
6676 return;
6677 }
6678 #endif
6679 /* Don't quit while editing the command line. */
6680 if (text_locked())
6681 {
6682 text_locked_msg();
6683 return;
6684 }
6685 #ifdef FEAT_AUTOCMD
6686 if (curbuf_locked())
6687 return;
6688 #endif
6689
6690 /*
6691 * if more files or windows we won't exit
6692 */
6693 if (check_more(FALSE, eap->forceit) == OK && only_one_window())
6694 exiting = TRUE;
6695 if ( ((eap->cmdidx == CMD_wq
6696 || curbufIsChanged())
6697 && do_write(eap) == FAIL)
6698 || check_more(TRUE, eap->forceit) == FAIL
6699 || (only_one_window() && check_changed_any(eap->forceit)))
6700 {
6701 not_exiting();
6702 }
6703 else
6704 {
6705 #ifdef FEAT_WINDOWS
6706 if (only_one_window()) /* quit last window, exit Vim */
6707 #endif
6708 getout(0);
6709 #ifdef FEAT_WINDOWS
6710 # ifdef FEAT_GUI
6711 need_mouse_correct = TRUE;
6712 # endif
6713 /* quit current window, may free buffer */
6714 win_close(curwin, !P_HID(curwin->w_buffer));
6715 #endif
6716 }
6717 }
6718
6719 /*
6720 * ":print", ":list", ":number".
6721 */
6722 static void
6723 ex_print(eap)
6724 exarg_T *eap;
6725 {
6726 if (curbuf->b_ml.ml_flags & ML_EMPTY)
6727 EMSG(_(e_emptybuf));
6728 else
6729 {
6730 for ( ;!got_int; ui_breakcheck())
6731 {
6732 print_line(eap->line1,
6733 (eap->cmdidx == CMD_number || eap->cmdidx == CMD_pound
6734 || (eap->flags & EXFLAG_NR)),
6735 eap->cmdidx == CMD_list || (eap->flags & EXFLAG_LIST));
6736 if (++eap->line1 > eap->line2)
6737 break;
6738 out_flush(); /* show one line at a time */
6739 }
6740 setpcmark();
6741 /* put cursor at last line */
6742 curwin->w_cursor.lnum = eap->line2;
6743 beginline(BL_SOL | BL_FIX);
6744 }
6745
6746 ex_no_reprint = TRUE;
6747 }
6748
6749 #ifdef FEAT_BYTEOFF
6750 static void
6751 ex_goto(eap)
6752 exarg_T *eap;
6753 {
6754 goto_byte(eap->line2);
6755 }
6756 #endif
6757
6758 /*
6759 * ":shell".
6760 */
6761 static void
6762 ex_shell(eap)
6763 exarg_T *eap UNUSED;
6764 {
6765 do_shell(NULL, 0);
6766 }
6767
6768 #if (defined(FEAT_WINDOWS) && defined(HAVE_DROP_FILE)) \
6769 || (defined(FEAT_GUI_GTK) && defined(FEAT_DND)) \
6770 || defined(FEAT_GUI_MSWIN) \
6771 || defined(FEAT_GUI_MAC) \
6772 || defined(PROTO)
6773
6774 /*
6775 * Handle a file drop. The code is here because a drop is *nearly* like an
6776 * :args command, but not quite (we have a list of exact filenames, so we
6777 * don't want to (a) parse a command line, or (b) expand wildcards. So the
6778 * code is very similar to :args and hence needs access to a lot of the static
6779 * functions in this file.
6780 *
6781 * The list should be allocated using alloc(), as should each item in the
6782 * list. This function takes over responsibility for freeing the list.
6783 *
6784 * XXX The list is made into the argument list. This is freed using
6785 * FreeWild(), which does a series of vim_free() calls, unless the two defines
6786 * __EMX__ and __ALWAYS_HAS_TRAILING_NUL_POINTER are set. In this case, a
6787 * routine _fnexplodefree() is used. This may cause problems, but as the drop
6788 * file functionality is (currently) not in EMX this is not presently a
6789 * problem.
6790 */
6791 void
6792 handle_drop(filec, filev, split)
6793 int filec; /* the number of files dropped */
6794 char_u **filev; /* the list of files dropped */
6795 int split; /* force splitting the window */
6796 {
6797 exarg_T ea;
6798 int save_msg_scroll = msg_scroll;
6799
6800 /* Postpone this while editing the command line. */
6801 if (text_locked())
6802 return;
6803 #ifdef FEAT_AUTOCMD
6804 if (curbuf_locked())
6805 return;
6806 #endif
6807 /* When the screen is being updated we should not change buffers and
6808 * windows structures, it may cause freed memory to be used. */
6809 if (updating_screen)
6810 return;
6811
6812 /* Check whether the current buffer is changed. If so, we will need
6813 * to split the current window or data could be lost.
6814 * We don't need to check if the 'hidden' option is set, as in this
6815 * case the buffer won't be lost.
6816 */
6817 if (!P_HID(curbuf) && !split)
6818 {
6819 ++emsg_off;
6820 split = check_changed(curbuf, TRUE, FALSE, FALSE, FALSE);
6821 --emsg_off;
6822 }
6823 if (split)
6824 {
6825 # ifdef FEAT_WINDOWS
6826 if (win_split(0, 0) == FAIL)
6827 return;
6828 # ifdef FEAT_SCROLLBIND
6829 curwin->w_p_scb = FALSE;
6830 # endif
6831
6832 /* When splitting the window, create a new alist. Otherwise the
6833 * existing one is overwritten. */
6834 alist_unlink(curwin->w_alist);
6835 alist_new();
6836 # else
6837 return; /* can't split, always fail */
6838 # endif
6839 }
6840
6841 /*
6842 * Set up the new argument list.
6843 */
6844 alist_set(ALIST(curwin), filec, filev, FALSE, NULL, 0);
6845
6846 /*
6847 * Move to the first file.
6848 */
6849 /* Fake up a minimal "next" command for do_argfile() */
6850 vim_memset(&ea, 0, sizeof(ea));
6851 ea.cmd = (char_u *)"next";
6852 do_argfile(&ea, 0);
6853
6854 /* do_ecmd() may set need_start_insertmode, but since we never left Insert
6855 * mode that is not needed here. */
6856 need_start_insertmode = FALSE;
6857
6858 /* Restore msg_scroll, otherwise a following command may cause scrolling
6859 * unexpectedly. The screen will be redrawn by the caller, thus
6860 * msg_scroll being set by displaying a message is irrelevant. */
6861 msg_scroll = save_msg_scroll;
6862 }
6863 #endif
6864
6865 /*
6866 * Clear an argument list: free all file names and reset it to zero entries.
6867 */
6868 void
6869 alist_clear(al)
6870 alist_T *al;
6871 {
6872 while (--al->al_ga.ga_len >= 0)
6873 vim_free(AARGLIST(al)[al->al_ga.ga_len].ae_fname);
6874 ga_clear(&al->al_ga);
6875 }
6876
6877 /*
6878 * Init an argument list.
6879 */
6880 void
6881 alist_init(al)
6882 alist_T *al;
6883 {
6884 ga_init2(&al->al_ga, (int)sizeof(aentry_T), 5);
6885 }
6886
6887 #if defined(FEAT_WINDOWS) || defined(PROTO)
6888
6889 /*
6890 * Remove a reference from an argument list.
6891 * Ignored when the argument list is the global one.
6892 * If the argument list is no longer used by any window, free it.
6893 */
6894 void
6895 alist_unlink(al)
6896 alist_T *al;
6897 {
6898 if (al != &global_alist && --al->al_refcount <= 0)
6899 {
6900 alist_clear(al);
6901 vim_free(al);
6902 }
6903 }
6904
6905 # if defined(FEAT_LISTCMDS) || defined(HAVE_DROP_FILE) || defined(PROTO)
6906 /*
6907 * Create a new argument list and use it for the current window.
6908 */
6909 void
6910 alist_new()
6911 {
6912 curwin->w_alist = (alist_T *)alloc((unsigned)sizeof(alist_T));
6913 if (curwin->w_alist == NULL)
6914 {
6915 curwin->w_alist = &global_alist;
6916 ++global_alist.al_refcount;
6917 }
6918 else
6919 {
6920 curwin->w_alist->al_refcount = 1;
6921 alist_init(curwin->w_alist);
6922 }
6923 }
6924 # endif
6925 #endif
6926
6927 #if (!defined(UNIX) && !defined(__EMX__)) || defined(ARCHIE) || defined(PROTO)
6928 /*
6929 * Expand the file names in the global argument list.
6930 * If "fnum_list" is not NULL, use "fnum_list[fnum_len]" as a list of buffer
6931 * numbers to be re-used.
6932 */
6933 void
6934 alist_expand(fnum_list, fnum_len)
6935 int *fnum_list;
6936 int fnum_len;
6937 {
6938 char_u **old_arg_files;
6939 int old_arg_count;
6940 char_u **new_arg_files;
6941 int new_arg_file_count;
6942 char_u *save_p_su = p_su;
6943 int i;
6944
6945 /* Don't use 'suffixes' here. This should work like the shell did the
6946 * expansion. Also, the vimrc file isn't read yet, thus the user
6947 * can't set the options. */
6948 p_su = empty_option;
6949 old_arg_files = (char_u **)alloc((unsigned)(sizeof(char_u *) * GARGCOUNT));
6950 if (old_arg_files != NULL)
6951 {
6952 for (i = 0; i < GARGCOUNT; ++i)
6953 old_arg_files[i] = vim_strsave(GARGLIST[i].ae_fname);
6954 old_arg_count = GARGCOUNT;
6955 if (expand_wildcards(old_arg_count, old_arg_files,
6956 &new_arg_file_count, &new_arg_files,
6957 EW_FILE|EW_NOTFOUND|EW_ADDSLASH) == OK
6958 && new_arg_file_count > 0)
6959 {
6960 alist_set(&global_alist, new_arg_file_count, new_arg_files,
6961 TRUE, fnum_list, fnum_len);
6962 FreeWild(old_arg_count, old_arg_files);
6963 }
6964 }
6965 p_su = save_p_su;
6966 }
6967 #endif
6968
6969 /*
6970 * Set the argument list for the current window.
6971 * Takes over the allocated files[] and the allocated fnames in it.
6972 */
6973 void
6974 alist_set(al, count, files, use_curbuf, fnum_list, fnum_len)
6975 alist_T *al;
6976 int count;
6977 char_u **files;
6978 int use_curbuf;
6979 int *fnum_list;
6980 int fnum_len;
6981 {
6982 int i;
6983
6984 alist_clear(al);
6985 if (ga_grow(&al->al_ga, count) == OK)
6986 {
6987 for (i = 0; i < count; ++i)
6988 {
6989 if (got_int)
6990 {
6991 /* When adding many buffers this can take a long time. Allow
6992 * interrupting here. */
6993 while (i < count)
6994 vim_free(files[i++]);
6995 break;
6996 }
6997
6998 /* May set buffer name of a buffer previously used for the
6999 * argument list, so that it's re-used by alist_add. */
7000 if (fnum_list != NULL && i < fnum_len)
7001 buf_set_name(fnum_list[i], files[i]);
7002
7003 alist_add(al, files[i], use_curbuf ? 2 : 1);
7004 ui_breakcheck();
7005 }
7006 vim_free(files);
7007 }
7008 else
7009 FreeWild(count, files);
7010 #ifdef FEAT_WINDOWS
7011 if (al == &global_alist)
7012 #endif
7013 arg_had_last = FALSE;
7014 }
7015
7016 /*
7017 * Add file "fname" to argument list "al".
7018 * "fname" must have been allocated and "al" must have been checked for room.
7019 */
7020 void
7021 alist_add(al, fname, set_fnum)
7022 alist_T *al;
7023 char_u *fname;
7024 int set_fnum; /* 1: set buffer number; 2: re-use curbuf */
7025 {
7026 if (fname == NULL) /* don't add NULL file names */
7027 return;
7028 #ifdef BACKSLASH_IN_FILENAME
7029 slash_adjust(fname);
7030 #endif
7031 AARGLIST(al)[al->al_ga.ga_len].ae_fname = fname;
7032 if (set_fnum > 0)
7033 AARGLIST(al)[al->al_ga.ga_len].ae_fnum =
7034 buflist_add(fname, BLN_LISTED | (set_fnum == 2 ? BLN_CURBUF : 0));
7035 ++al->al_ga.ga_len;
7036 }
7037
7038 #if defined(BACKSLASH_IN_FILENAME) || defined(PROTO)
7039 /*
7040 * Adjust slashes in file names. Called after 'shellslash' was set.
7041 */
7042 void
7043 alist_slash_adjust()
7044 {
7045 int i;
7046 # ifdef FEAT_WINDOWS
7047 win_T *wp;
7048 tabpage_T *tp;
7049 # endif
7050
7051 for (i = 0; i < GARGCOUNT; ++i)
7052 if (GARGLIST[i].ae_fname != NULL)
7053 slash_adjust(GARGLIST[i].ae_fname);
7054 # ifdef FEAT_WINDOWS
7055 FOR_ALL_TAB_WINDOWS(tp, wp)
7056 if (wp->w_alist != &global_alist)
7057 for (i = 0; i < WARGCOUNT(wp); ++i)
7058 if (WARGLIST(wp)[i].ae_fname != NULL)
7059 slash_adjust(WARGLIST(wp)[i].ae_fname);
7060 # endif
7061 }
7062 #endif
7063
7064 /*
7065 * ":preserve".
7066 */
7067 static void
7068 ex_preserve(eap)
7069 exarg_T *eap UNUSED;
7070 {
7071 curbuf->b_flags |= BF_PRESERVED;
7072 ml_preserve(curbuf, TRUE);
7073 }
7074
7075 /*
7076 * ":recover".
7077 */
7078 static void
7079 ex_recover(eap)
7080 exarg_T *eap;
7081 {
7082 /* Set recoverymode right away to avoid the ATTENTION prompt. */
7083 recoverymode = TRUE;
7084 if (!check_changed(curbuf, p_awa, TRUE, eap->forceit, FALSE)
7085 && (*eap->arg == NUL
7086 || setfname(curbuf, eap->arg, NULL, TRUE) == OK))
7087 ml_recover();
7088 recoverymode = FALSE;
7089 }
7090
7091 /*
7092 * Command modifier used in a wrong way.
7093 */
7094 static void
7095 ex_wrongmodifier(eap)
7096 exarg_T *eap;
7097 {
7098 eap->errmsg = e_invcmd;
7099 }
7100
7101 #ifdef FEAT_WINDOWS
7102 /*
7103 * :sview [+command] file split window with new file, read-only
7104 * :split [[+command] file] split window with current or new file
7105 * :vsplit [[+command] file] split window vertically with current or new file
7106 * :new [[+command] file] split window with no or new file
7107 * :vnew [[+command] file] split vertically window with no or new file
7108 * :sfind [+command] file split window with file in 'path'
7109 *
7110 * :tabedit open new Tab page with empty window
7111 * :tabedit [+command] file open new Tab page and edit "file"
7112 * :tabnew [[+command] file] just like :tabedit
7113 * :tabfind [+command] file open new Tab page and find "file"
7114 */
7115 void
7116 ex_splitview(eap)
7117 exarg_T *eap;
7118 {
7119 win_T *old_curwin = curwin;
7120 # if defined(FEAT_SEARCHPATH) || defined(FEAT_BROWSE)
7121 char_u *fname = NULL;
7122 # endif
7123 # ifdef FEAT_BROWSE
7124 int browse_flag = cmdmod.browse;
7125 # endif
7126
7127 # ifndef FEAT_VERTSPLIT
7128 if (eap->cmdidx == CMD_vsplit || eap->cmdidx == CMD_vnew)
7129 {
7130 ex_ni(eap);
7131 return;
7132 }
7133 # endif
7134
7135 # ifdef FEAT_GUI
7136 need_mouse_correct = TRUE;
7137 # endif
7138
7139 # ifdef FEAT_QUICKFIX
7140 /* A ":split" in the quickfix window works like ":new". Don't want two
7141 * quickfix windows. But it's OK when doing ":tab split". */
7142 if (bt_quickfix(curbuf) && cmdmod.tab == 0)
7143 {
7144 if (eap->cmdidx == CMD_split)
7145 eap->cmdidx = CMD_new;
7146 # ifdef FEAT_VERTSPLIT
7147 if (eap->cmdidx == CMD_vsplit)
7148 eap->cmdidx = CMD_vnew;
7149 # endif
7150 }
7151 # endif
7152
7153 # ifdef FEAT_SEARCHPATH
7154 if (eap->cmdidx == CMD_sfind || eap->cmdidx == CMD_tabfind)
7155 {
7156 fname = find_file_in_path(eap->arg, (int)STRLEN(eap->arg),
7157 FNAME_MESS, TRUE, curbuf->b_ffname);
7158 if (fname == NULL)
7159 goto theend;
7160 eap->arg = fname;
7161 }
7162 # ifdef FEAT_BROWSE
7163 else
7164 # endif
7165 # endif
7166 # ifdef FEAT_BROWSE
7167 if (cmdmod.browse
7168 # ifdef FEAT_VERTSPLIT
7169 && eap->cmdidx != CMD_vnew
7170 # endif
7171 && eap->cmdidx != CMD_new)
7172 {
7173 # ifdef FEAT_AUTOCMD
7174 if (
7175 # ifdef FEAT_GUI
7176 !gui.in_use &&
7177 # endif
7178 au_has_group((char_u *)"FileExplorer"))
7179 {
7180 /* No browsing supported but we do have the file explorer:
7181 * Edit the directory. */
7182 if (*eap->arg == NUL || !mch_isdir(eap->arg))
7183 eap->arg = (char_u *)".";
7184 }
7185 else
7186 # endif
7187 {
7188 fname = do_browse(0, (char_u *)_("Edit File in new window"),
7189 eap->arg, NULL, NULL, NULL, curbuf);
7190 if (fname == NULL)
7191 goto theend;
7192 eap->arg = fname;
7193 }
7194 }
7195 cmdmod.browse = FALSE; /* Don't browse again in do_ecmd(). */
7196 # endif
7197
7198 /*
7199 * Either open new tab page or split the window.
7200 */
7201 if (eap->cmdidx == CMD_tabedit
7202 || eap->cmdidx == CMD_tabfind
7203 || eap->cmdidx == CMD_tabnew)
7204 {
7205 if (win_new_tabpage(cmdmod.tab != 0 ? cmdmod.tab
7206 : eap->addr_count == 0 ? 0
7207 : (int)eap->line2 + 1) != FAIL)
7208 {
7209 do_exedit(eap, old_curwin);
7210
7211 /* set the alternate buffer for the window we came from */
7212 if (curwin != old_curwin
7213 && win_valid(old_curwin)
7214 && old_curwin->w_buffer != curbuf
7215 && !cmdmod.keepalt)
7216 old_curwin->w_alt_fnum = curbuf->b_fnum;
7217 }
7218 }
7219 else if (win_split(eap->addr_count > 0 ? (int)eap->line2 : 0,
7220 *eap->cmd == 'v' ? WSP_VERT : 0) != FAIL)
7221 {
7222 # ifdef FEAT_SCROLLBIND
7223 /* Reset 'scrollbind' when editing another file, but keep it when
7224 * doing ":split" without arguments. */
7225 if (*eap->arg != NUL
7226 # ifdef FEAT_BROWSE
7227 || cmdmod.browse
7228 # endif
7229 )
7230 curwin->w_p_scb = FALSE;
7231 else
7232 do_check_scrollbind(FALSE);
7233 # endif
7234 do_exedit(eap, old_curwin);
7235 }
7236
7237 # ifdef FEAT_BROWSE
7238 cmdmod.browse = browse_flag;
7239 # endif
7240
7241 # if defined(FEAT_SEARCHPATH) || defined(FEAT_BROWSE)
7242 theend:
7243 vim_free(fname);
7244 # endif
7245 }
7246
7247 /*
7248 * Open a new tab page.
7249 */
7250 void
7251 tabpage_new()
7252 {
7253 exarg_T ea;
7254
7255 vim_memset(&ea, 0, sizeof(ea));
7256 ea.cmdidx = CMD_tabnew;
7257 ea.cmd = (char_u *)"tabn";
7258 ea.arg = (char_u *)"";
7259 ex_splitview(&ea);
7260 }
7261
7262 /*
7263 * :tabnext command
7264 */
7265 static void
7266 ex_tabnext(eap)
7267 exarg_T *eap;
7268 {
7269 switch (eap->cmdidx)
7270 {
7271 case CMD_tabfirst:
7272 case CMD_tabrewind:
7273 goto_tabpage(1);
7274 break;
7275 case CMD_tablast:
7276 goto_tabpage(9999);
7277 break;
7278 case CMD_tabprevious:
7279 case CMD_tabNext:
7280 goto_tabpage(eap->addr_count == 0 ? -1 : -(int)eap->line2);
7281 break;
7282 default: /* CMD_tabnext */
7283 goto_tabpage(eap->addr_count == 0 ? 0 : (int)eap->line2);
7284 break;
7285 }
7286 }
7287
7288 /*
7289 * :tabmove command
7290 */
7291 static void
7292 ex_tabmove(eap)
7293 exarg_T *eap;
7294 {
7295 tabpage_move(eap->addr_count == 0 ? 9999 : (int)eap->line2);
7296 }
7297
7298 /*
7299 * :tabs command: List tabs and their contents.
7300 */
7301 static void
7302 ex_tabs(eap)
7303 exarg_T *eap UNUSED;
7304 {
7305 tabpage_T *tp;
7306 win_T *wp;
7307 int tabcount = 1;
7308
7309 msg_start();
7310 msg_scroll = TRUE;
7311 for (tp = first_tabpage; tp != NULL && !got_int; tp = tp->tp_next)
7312 {
7313 msg_putchar('\n');
7314 vim_snprintf((char *)IObuff, IOSIZE, _("Tab page %d"), tabcount++);
7315 msg_outtrans_attr(IObuff, hl_attr(HLF_T));
7316 out_flush(); /* output one line at a time */
7317 ui_breakcheck();
7318
7319 if (tp == curtab)
7320 wp = firstwin;
7321 else
7322 wp = tp->tp_firstwin;
7323 for ( ; wp != NULL && !got_int; wp = wp->w_next)
7324 {
7325 msg_putchar('\n');
7326 msg_putchar(wp == curwin ? '>' : ' ');
7327 msg_putchar(' ');
7328 msg_putchar(bufIsChanged(wp->w_buffer) ? '+' : ' ');
7329 msg_putchar(' ');
7330 if (buf_spname(wp->w_buffer) != NULL)
7331 STRCPY(IObuff, buf_spname(wp->w_buffer));
7332 else
7333 home_replace(wp->w_buffer, wp->w_buffer->b_fname,
7334 IObuff, IOSIZE, TRUE);
7335 msg_outtrans(IObuff);
7336 out_flush(); /* output one line at a time */
7337 ui_breakcheck();
7338 }
7339 }
7340 }
7341
7342 #endif /* FEAT_WINDOWS */
7343
7344 /*
7345 * ":mode": Set screen mode.
7346 * If no argument given, just get the screen size and redraw.
7347 */
7348 static void
7349 ex_mode(eap)
7350 exarg_T *eap;
7351 {
7352 if (*eap->arg == NUL)
7353 shell_resized();
7354 else
7355 mch_screenmode(eap->arg);
7356 }
7357
7358 #ifdef FEAT_WINDOWS
7359 /*
7360 * ":resize".
7361 * set, increment or decrement current window height
7362 */
7363 static void
7364 ex_resize(eap)
7365 exarg_T *eap;
7366 {
7367 int n;
7368 win_T *wp = curwin;
7369
7370 if (eap->addr_count > 0)
7371 {
7372 n = eap->line2;
7373 for (wp = firstwin; wp->w_next != NULL && --n > 0; wp = wp->w_next)
7374 ;
7375 }
7376
7377 #ifdef FEAT_GUI
7378 need_mouse_correct = TRUE;
7379 #endif
7380 n = atol((char *)eap->arg);
7381 #ifdef FEAT_VERTSPLIT
7382 if (cmdmod.split & WSP_VERT)
7383 {
7384 if (*eap->arg == '-' || *eap->arg == '+')
7385 n += W_WIDTH(curwin);
7386 else if (n == 0 && eap->arg[0] == NUL) /* default is very wide */
7387 n = 9999;
7388 win_setwidth_win((int)n, wp);
7389 }
7390 else
7391 #endif
7392 {
7393 if (*eap->arg == '-' || *eap->arg == '+')
7394 n += curwin->w_height;
7395 else if (n == 0 && eap->arg[0] == NUL) /* default is very wide */
7396 n = 9999;
7397 win_setheight_win((int)n, wp);
7398 }
7399 }
7400 #endif
7401
7402 /*
7403 * ":find [+command] <file>" command.
7404 */
7405 static void
7406 ex_find(eap)
7407 exarg_T *eap;
7408 {
7409 #ifdef FEAT_SEARCHPATH
7410 char_u *fname;
7411 int count;
7412
7413 fname = find_file_in_path(eap->arg, (int)STRLEN(eap->arg), FNAME_MESS,
7414 TRUE, curbuf->b_ffname);
7415 if (eap->addr_count > 0)
7416 {
7417 /* Repeat finding the file "count" times. This matters when it
7418 * appears several times in the path. */
7419 count = eap->line2;
7420 while (fname != NULL && --count > 0)
7421 {
7422 vim_free(fname);
7423 fname = find_file_in_path(NULL, 0, FNAME_MESS,
7424 FALSE, curbuf->b_ffname);
7425 }
7426 }
7427
7428 if (fname != NULL)
7429 {
7430 eap->arg = fname;
7431 #endif
7432 do_exedit(eap, NULL);
7433 #ifdef FEAT_SEARCHPATH
7434 vim_free(fname);
7435 }
7436 #endif
7437 }
7438
7439 /*
7440 * ":open" simulation: for now just work like ":visual".
7441 */
7442 static void
7443 ex_open(eap)
7444 exarg_T *eap;
7445 {
7446 regmatch_T regmatch;
7447 char_u *p;
7448
7449 curwin->w_cursor.lnum = eap->line2;
7450 beginline(BL_SOL | BL_FIX);
7451 if (*eap->arg == '/')
7452 {
7453 /* ":open /pattern/": put cursor in column found with pattern */
7454 ++eap->arg;
7455 p = skip_regexp(eap->arg, '/', p_magic, NULL);
7456 *p = NUL;
7457 regmatch.regprog = vim_regcomp(eap->arg, p_magic ? RE_MAGIC : 0);
7458 if (regmatch.regprog != NULL)
7459 {
7460 regmatch.rm_ic = p_ic;
7461 p = ml_get_curline();
7462 if (vim_regexec(&regmatch, p, (colnr_T)0))
7463 curwin->w_cursor.col = (colnr_T)(regmatch.startp[0] - p);
7464 else
7465 EMSG(_(e_nomatch));
7466 vim_free(regmatch.regprog);
7467 }
7468 /* Move to the NUL, ignore any other arguments. */
7469 eap->arg += STRLEN(eap->arg);
7470 }
7471 check_cursor();
7472
7473 eap->cmdidx = CMD_visual;
7474 do_exedit(eap, NULL);
7475 }
7476
7477 /*
7478 * ":edit", ":badd", ":visual".
7479 */
7480 static void
7481 ex_edit(eap)
7482 exarg_T *eap;
7483 {
7484 do_exedit(eap, NULL);
7485 }
7486
7487 /*
7488 * ":edit <file>" command and alikes.
7489 */
7490 void
7491 do_exedit(eap, old_curwin)
7492 exarg_T *eap;
7493 win_T *old_curwin; /* curwin before doing a split or NULL */
7494 {
7495 int n;
7496 #ifdef FEAT_WINDOWS
7497 int need_hide;
7498 #endif
7499 int exmode_was = exmode_active;
7500
7501 /*
7502 * ":vi" command ends Ex mode.
7503 */
7504 if (exmode_active && (eap->cmdidx == CMD_visual
7505 || eap->cmdidx == CMD_view))
7506 {
7507 exmode_active = FALSE;
7508 if (*eap->arg == NUL)
7509 {
7510 /* Special case: ":global/pat/visual\NLvi-commands" */
7511 if (global_busy)
7512 {
7513 int rd = RedrawingDisabled;
7514 int nwr = no_wait_return;
7515 int ms = msg_scroll;
7516 #ifdef FEAT_GUI
7517 int he = hold_gui_events;
7518 #endif
7519
7520 if (eap->nextcmd != NULL)
7521 {
7522 stuffReadbuff(eap->nextcmd);
7523 eap->nextcmd = NULL;
7524 }
7525
7526 if (exmode_was != EXMODE_VIM)
7527 settmode(TMODE_RAW);
7528 RedrawingDisabled = 0;
7529 no_wait_return = 0;
7530 need_wait_return = FALSE;
7531 msg_scroll = 0;
7532 #ifdef FEAT_GUI
7533 hold_gui_events = 0;
7534 #endif
7535 must_redraw = CLEAR;
7536
7537 main_loop(FALSE, TRUE);
7538
7539 RedrawingDisabled = rd;
7540 no_wait_return = nwr;
7541 msg_scroll = ms;
7542 #ifdef FEAT_GUI
7543 hold_gui_events = he;
7544 #endif
7545 }
7546 return;
7547 }
7548 }
7549
7550 if ((eap->cmdidx == CMD_new
7551 || eap->cmdidx == CMD_tabnew
7552 || eap->cmdidx == CMD_tabedit
7553 #ifdef FEAT_VERTSPLIT
7554 || eap->cmdidx == CMD_vnew
7555 #endif
7556 ) && *eap->arg == NUL)
7557 {
7558 /* ":new" or ":tabnew" without argument: edit an new empty buffer */
7559 setpcmark();
7560 (void)do_ecmd(0, NULL, NULL, eap, ECMD_ONE,
7561 ECMD_HIDE + (eap->forceit ? ECMD_FORCEIT : 0),
7562 old_curwin == NULL ? curwin : NULL);
7563 }
7564 else if ((eap->cmdidx != CMD_split
7565 #ifdef FEAT_VERTSPLIT
7566 && eap->cmdidx != CMD_vsplit
7567 #endif
7568 )
7569 || *eap->arg != NUL
7570 #ifdef FEAT_BROWSE
7571 || cmdmod.browse
7572 #endif
7573 )
7574 {
7575 #ifdef FEAT_AUTOCMD
7576 /* Can't edit another file when "curbuf_lock" is set. Only ":edit"
7577 * can bring us here, others are stopped earlier. */
7578 if (*eap->arg != NUL && curbuf_locked())
7579 return;
7580 #endif
7581 n = readonlymode;
7582 if (eap->cmdidx == CMD_view || eap->cmdidx == CMD_sview)
7583 readonlymode = TRUE;
7584 else if (eap->cmdidx == CMD_enew)
7585 readonlymode = FALSE; /* 'readonly' doesn't make sense in an
7586 empty buffer */
7587 setpcmark();
7588 if (do_ecmd(0, (eap->cmdidx == CMD_enew ? NULL : eap->arg),
7589 NULL, eap,
7590 /* ":edit" goes to first line if Vi compatible */
7591 (*eap->arg == NUL && eap->do_ecmd_lnum == 0
7592 && vim_strchr(p_cpo, CPO_GOTO1) != NULL)
7593 ? ECMD_ONE : eap->do_ecmd_lnum,
7594 (P_HID(curbuf) ? ECMD_HIDE : 0)
7595 + (eap->forceit ? ECMD_FORCEIT : 0)
7596 #ifdef FEAT_LISTCMDS
7597 + (eap->cmdidx == CMD_badd ? ECMD_ADDBUF : 0 )
7598 #endif
7599 , old_curwin == NULL ? curwin : NULL) == FAIL)
7600 {
7601 /* Editing the file failed. If the window was split, close it. */
7602 #ifdef FEAT_WINDOWS
7603 if (old_curwin != NULL)
7604 {
7605 need_hide = (curbufIsChanged() && curbuf->b_nwindows <= 1);
7606 if (!need_hide || P_HID(curbuf))
7607 {
7608 # if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL)
7609 cleanup_T cs;
7610
7611 /* Reset the error/interrupt/exception state here so that
7612 * aborting() returns FALSE when closing a window. */
7613 enter_cleanup(&cs);
7614 # endif
7615 # ifdef FEAT_GUI
7616 need_mouse_correct = TRUE;
7617 # endif
7618 win_close(curwin, !need_hide && !P_HID(curbuf));
7619
7620 # if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL)
7621 /* Restore the error/interrupt/exception state if not
7622 * discarded by a new aborting error, interrupt, or
7623 * uncaught exception. */
7624 leave_cleanup(&cs);
7625 # endif
7626 }
7627 }
7628 #endif
7629 }
7630 else if (readonlymode && curbuf->b_nwindows == 1)
7631 {
7632 /* When editing an already visited buffer, 'readonly' won't be set
7633 * but the previous value is kept. With ":view" and ":sview" we
7634 * want the file to be readonly, except when another window is
7635 * editing the same buffer. */
7636 curbuf->b_p_ro = TRUE;
7637 }
7638 readonlymode = n;
7639 }
7640 else
7641 {
7642 if (eap->do_ecmd_cmd != NULL)
7643 do_cmdline_cmd(eap->do_ecmd_cmd);
7644 #ifdef FEAT_TITLE
7645 n = curwin->w_arg_idx_invalid;
7646 #endif
7647 check_arg_idx(curwin);
7648 #ifdef FEAT_TITLE
7649 if (n != curwin->w_arg_idx_invalid)
7650 maketitle();
7651 #endif
7652 }
7653
7654 #ifdef FEAT_WINDOWS
7655 /*
7656 * if ":split file" worked, set alternate file name in old window to new
7657 * file
7658 */
7659 if (old_curwin != NULL
7660 && *eap->arg != NUL
7661 && curwin != old_curwin
7662 && win_valid(old_curwin)
7663 && old_curwin->w_buffer != curbuf
7664 && !cmdmod.keepalt)
7665 old_curwin->w_alt_fnum = curbuf->b_fnum;
7666 #endif
7667
7668 ex_no_reprint = TRUE;
7669 }
7670
7671 #ifndef FEAT_GUI
7672 /*
7673 * ":gui" and ":gvim" when there is no GUI.
7674 */
7675 static void
7676 ex_nogui(eap)
7677 exarg_T *eap;
7678 {
7679 eap->errmsg = e_nogvim;
7680 }
7681 #endif
7682
7683 #if defined(FEAT_GUI_W32) && defined(FEAT_MENU) && defined(FEAT_TEAROFF)
7684 static void
7685 ex_tearoff(eap)
7686 exarg_T *eap;
7687 {
7688 gui_make_tearoff(eap->arg);
7689 }
7690 #endif
7691
7692 #if (defined(FEAT_GUI_MSWIN) || defined(FEAT_GUI_GTK)) && defined(FEAT_MENU)
7693 static void
7694 ex_popup(eap)
7695 exarg_T *eap;
7696 {
7697 gui_make_popup(eap->arg, eap->forceit);
7698 }
7699 #endif
7700
7701 static void
7702 ex_swapname(eap)
7703 exarg_T *eap UNUSED;
7704 {
7705 if (curbuf->b_ml.ml_mfp == NULL || curbuf->b_ml.ml_mfp->mf_fname == NULL)
7706 MSG(_("No swap file"));
7707 else
7708 msg(curbuf->b_ml.ml_mfp->mf_fname);
7709 }
7710
7711 /*
7712 * ":syncbind" forces all 'scrollbind' windows to have the same relative
7713 * offset.
7714 * (1998-11-02 16:21:01 R. Edward Ralston <eralston@computer.org>)
7715 */
7716 static void
7717 ex_syncbind(eap)
7718 exarg_T *eap UNUSED;
7719 {
7720 #ifdef FEAT_SCROLLBIND
7721 win_T *wp;
7722 long topline;
7723 long y;
7724 linenr_T old_linenr = curwin->w_cursor.lnum;
7725
7726 setpcmark();
7727
7728 /*
7729 * determine max topline
7730 */
7731 if (curwin->w_p_scb)
7732 {
7733 topline = curwin->w_topline;
7734 for (wp = firstwin; wp; wp = wp->w_next)
7735 {
7736 if (wp->w_p_scb && wp->w_buffer)
7737 {
7738 y = wp->w_buffer->b_ml.ml_line_count - p_so;
7739 if (topline > y)
7740 topline = y;
7741 }
7742 }
7743 if (topline < 1)
7744 topline = 1;
7745 }
7746 else
7747 {
7748 topline = 1;
7749 }
7750
7751
7752 /*
7753 * set all scrollbind windows to the same topline
7754 */
7755 wp = curwin;
7756 for (curwin = firstwin; curwin; curwin = curwin->w_next)
7757 {
7758 if (curwin->w_p_scb)
7759 {
7760 y = topline - curwin->w_topline;
7761 if (y > 0)
7762 scrollup(y, TRUE);
7763 else
7764 scrolldown(-y, TRUE);
7765 curwin->w_scbind_pos = topline;
7766 redraw_later(VALID);
7767 cursor_correct();
7768 #ifdef FEAT_WINDOWS
7769 curwin->w_redr_status = TRUE;
7770 #endif
7771 }
7772 }
7773 curwin = wp;
7774 if (curwin->w_p_scb)
7775 {
7776 did_syncbind = TRUE;
7777 checkpcmark();
7778 if (old_linenr != curwin->w_cursor.lnum)
7779 {
7780 char_u ctrl_o[2];
7781
7782 ctrl_o[0] = Ctrl_O;
7783 ctrl_o[1] = 0;
7784 ins_typebuf(ctrl_o, REMAP_NONE, 0, TRUE, FALSE);
7785 }
7786 }
7787 #endif
7788 }
7789
7790
7791 static void
7792 ex_read(eap)
7793 exarg_T *eap;
7794 {
7795 int i;
7796 int empty = (curbuf->b_ml.ml_flags & ML_EMPTY);
7797 linenr_T lnum;
7798
7799 if (eap->usefilter) /* :r!cmd */
7800 do_bang(1, eap, FALSE, FALSE, TRUE);
7801 else
7802 {
7803 if (u_save(eap->line2, (linenr_T)(eap->line2 + 1)) == FAIL)
7804 return;
7805
7806 #ifdef FEAT_BROWSE
7807 if (cmdmod.browse)
7808 {
7809 char_u *browseFile;
7810
7811 browseFile = do_browse(0, (char_u *)_("Append File"), eap->arg,
7812 NULL, NULL, NULL, curbuf);
7813 if (browseFile != NULL)
7814 {
7815 i = readfile(browseFile, NULL,
7816 eap->line2, (linenr_T)0, (linenr_T)MAXLNUM, eap, 0);
7817 vim_free(browseFile);
7818 }
7819 else
7820 i = OK;
7821 }
7822 else
7823 #endif
7824 if (*eap->arg == NUL)
7825 {
7826 if (check_fname() == FAIL) /* check for no file name */
7827 return;
7828 i = readfile(curbuf->b_ffname, curbuf->b_fname,
7829 eap->line2, (linenr_T)0, (linenr_T)MAXLNUM, eap, 0);
7830 }
7831 else
7832 {
7833 if (vim_strchr(p_cpo, CPO_ALTREAD) != NULL)
7834 (void)setaltfname(eap->arg, eap->arg, (linenr_T)1);
7835 i = readfile(eap->arg, NULL,
7836 eap->line2, (linenr_T)0, (linenr_T)MAXLNUM, eap, 0);
7837
7838 }
7839 if (i == FAIL)
7840 {
7841 #if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL)
7842 if (!aborting())
7843 #endif
7844 EMSG2(_(e_notopen), eap->arg);
7845 }
7846 else
7847 {
7848 if (empty && exmode_active)
7849 {
7850 /* Delete the empty line that remains. Historically ex does
7851 * this but vi doesn't. */
7852 if (eap->line2 == 0)
7853 lnum = curbuf->b_ml.ml_line_count;
7854 else
7855 lnum = 1;
7856 if (*ml_get(lnum) == NUL && u_savedel(lnum, 1L) == OK)
7857 {
7858 ml_delete(lnum, FALSE);
7859 if (curwin->w_cursor.lnum > 1
7860 && curwin->w_cursor.lnum >= lnum)
7861 --curwin->w_cursor.lnum;
7862 deleted_lines_mark(lnum, 1L);
7863 }
7864 }
7865 redraw_curbuf_later(VALID);
7866 }
7867 }
7868 }
7869
7870 static char_u *prev_dir = NULL;
7871
7872 #if defined(EXITFREE) || defined(PROTO)
7873 void
7874 free_cd_dir()
7875 {
7876 vim_free(prev_dir);
7877 prev_dir = NULL;
7878
7879 vim_free(globaldir);
7880 globaldir = NULL;
7881 }
7882 #endif
7883
7884
7885 /*
7886 * ":cd", ":lcd", ":chdir" and ":lchdir".
7887 */
7888 void
7889 ex_cd(eap)
7890 exarg_T *eap;
7891 {
7892 char_u *new_dir;
7893 char_u *tofree;
7894
7895 new_dir = eap->arg;
7896 #if !defined(UNIX) && !defined(VMS)
7897 /* for non-UNIX ":cd" means: print current directory */
7898 if (*new_dir == NUL)
7899 ex_pwd(NULL);
7900 else
7901 #endif
7902 {
7903 #ifdef FEAT_AUTOCMD
7904 if (allbuf_locked())
7905 return;
7906 #endif
7907 if (vim_strchr(p_cpo, CPO_CHDIR) != NULL && curbufIsChanged()
7908 && !eap->forceit)
7909 {
7910 EMSG(_("E747: Cannot change directory, buffer is modified (add ! to override)"));
7911 return;
7912 }
7913
7914 /* ":cd -": Change to previous directory */
7915 if (STRCMP(new_dir, "-") == 0)
7916 {
7917 if (prev_dir == NULL)
7918 {
7919 EMSG(_("E186: No previous directory"));
7920 return;
7921 }
7922 new_dir = prev_dir;
7923 }
7924
7925 /* Save current directory for next ":cd -" */
7926 tofree = prev_dir;
7927 if (mch_dirname(NameBuff, MAXPATHL) == OK)
7928 prev_dir = vim_strsave(NameBuff);
7929 else
7930 prev_dir = NULL;
7931
7932 #if defined(UNIX) || defined(VMS)
7933 /* for UNIX ":cd" means: go to home directory */
7934 if (*new_dir == NUL)
7935 {
7936 /* use NameBuff for home directory name */
7937 # ifdef VMS
7938 char_u *p;
7939
7940 p = mch_getenv((char_u *)"SYS$LOGIN");
7941 if (p == NULL || *p == NUL) /* empty is the same as not set */
7942 NameBuff[0] = NUL;
7943 else
7944 vim_strncpy(NameBuff, p, MAXPATHL - 1);
7945 # else
7946 expand_env((char_u *)"$HOME", NameBuff, MAXPATHL);
7947 # endif
7948 new_dir = NameBuff;
7949 }
7950 #endif
7951 if (new_dir == NULL || vim_chdir(new_dir))
7952 EMSG(_(e_failed));
7953 else
7954 {
7955 vim_free(curwin->w_localdir);
7956 if (eap->cmdidx == CMD_lcd || eap->cmdidx == CMD_lchdir)
7957 {
7958 /* If still in global directory, need to remember current
7959 * directory as global directory. */
7960 if (globaldir == NULL && prev_dir != NULL)
7961 globaldir = vim_strsave(prev_dir);
7962 /* Remember this local directory for the window. */
7963 if (mch_dirname(NameBuff, MAXPATHL) == OK)
7964 curwin->w_localdir = vim_strsave(NameBuff);
7965 }
7966 else
7967 {
7968 /* We are now in the global directory, no need to remember its
7969 * name. */
7970 vim_free(globaldir);
7971 globaldir = NULL;
7972 curwin->w_localdir = NULL;
7973 }
7974
7975 shorten_fnames(TRUE);
7976
7977 /* Echo the new current directory if the command was typed. */
7978 if (KeyTyped || p_verbose >= 5)
7979 ex_pwd(eap);
7980 }
7981 vim_free(tofree);
7982 }
7983 }
7984
7985 /*
7986 * ":pwd".
7987 */
7988 static void
7989 ex_pwd(eap)
7990 exarg_T *eap UNUSED;
7991 {
7992 if (mch_dirname(NameBuff, MAXPATHL) == OK)
7993 {
7994 #ifdef BACKSLASH_IN_FILENAME
7995 slash_adjust(NameBuff);
7996 #endif
7997 msg(NameBuff);
7998 }
7999 else
8000 EMSG(_("E187: Unknown"));
8001 }
8002
8003 /*
8004 * ":=".
8005 */
8006 static void
8007 ex_equal(eap)
8008 exarg_T *eap;
8009 {
8010 smsg((char_u *)"%ld", (long)eap->line2);
8011 ex_may_print(eap);
8012 }
8013
8014 static void
8015 ex_sleep(eap)
8016 exarg_T *eap;
8017 {
8018 int n;
8019 long len;
8020
8021 if (cursor_valid())
8022 {
8023 n = W_WINROW(curwin) + curwin->w_wrow - msg_scrolled;
8024 if (n >= 0)
8025 windgoto((int)n, curwin->w_wcol);
8026 }
8027
8028 len = eap->line2;
8029 switch (*eap->arg)
8030 {
8031 case 'm': break;
8032 case NUL: len *= 1000L; break;
8033 default: EMSG2(_(e_invarg2), eap->arg); return;
8034 }
8035 do_sleep(len);
8036 }
8037
8038 /*
8039 * Sleep for "msec" milliseconds, but keep checking for a CTRL-C every second.
8040 */
8041 void
8042 do_sleep(msec)
8043 long msec;
8044 {
8045 long done;
8046
8047 cursor_on();
8048 out_flush();
8049 for (done = 0; !got_int && done < msec; done += 1000L)
8050 {
8051 ui_delay(msec - done > 1000L ? 1000L : msec - done, TRUE);
8052 ui_breakcheck();
8053 }
8054 }
8055
8056 static void
8057 do_exmap(eap, isabbrev)
8058 exarg_T *eap;
8059 int isabbrev;
8060 {
8061 int mode;
8062 char_u *cmdp;
8063
8064 cmdp = eap->cmd;
8065 mode = get_map_mode(&cmdp, eap->forceit || isabbrev);
8066
8067 switch (do_map((*cmdp == 'n') ? 2 : (*cmdp == 'u'),
8068 eap->arg, mode, isabbrev))
8069 {
8070 case 1: EMSG(_(e_invarg));
8071 break;
8072 case 2: EMSG(isabbrev ? _(e_noabbr) : _(e_nomap));
8073 break;
8074 }
8075 }
8076
8077 /*
8078 * ":winsize" command (obsolete).
8079 */
8080 static void
8081 ex_winsize(eap)
8082 exarg_T *eap;
8083 {
8084 int w, h;
8085 char_u *arg = eap->arg;
8086 char_u *p;
8087
8088 w = getdigits(&arg);
8089 arg = skipwhite(arg);
8090 p = arg;
8091 h = getdigits(&arg);
8092 if (*p != NUL && *arg == NUL)
8093 set_shellsize(w, h, TRUE);
8094 else
8095 EMSG(_("E465: :winsize requires two number arguments"));
8096 }
8097
8098 #ifdef FEAT_WINDOWS
8099 static void
8100 ex_wincmd(eap)
8101 exarg_T *eap;
8102 {
8103 int xchar = NUL;
8104 char_u *p;
8105
8106 if (*eap->arg == 'g' || *eap->arg == Ctrl_G)
8107 {
8108 /* CTRL-W g and CTRL-W CTRL-G have an extra command character */
8109 if (eap->arg[1] == NUL)
8110 {
8111 EMSG(_(e_invarg));
8112 return;
8113 }
8114 xchar = eap->arg[1];
8115 p = eap->arg + 2;
8116 }
8117 else
8118 p = eap->arg + 1;
8119
8120 eap->nextcmd = check_nextcmd(p);
8121 p = skipwhite(p);
8122 if (*p != NUL && *p != '"' && eap->nextcmd == NULL)
8123 EMSG(_(e_invarg));
8124 else
8125 {
8126 /* Pass flags on for ":vertical wincmd ]". */
8127 postponed_split_flags = cmdmod.split;
8128 postponed_split_tab = cmdmod.tab;
8129 do_window(*eap->arg, eap->addr_count > 0 ? eap->line2 : 0L, xchar);
8130 postponed_split_flags = 0;
8131 postponed_split_tab = 0;
8132 }
8133 }
8134 #endif
8135
8136 #if defined(FEAT_GUI) || defined(UNIX) || defined(VMS) || defined(MSWIN)
8137 /*
8138 * ":winpos".
8139 */
8140 static void
8141 ex_winpos(eap)
8142 exarg_T *eap;
8143 {
8144 int x, y;
8145 char_u *arg = eap->arg;
8146 char_u *p;
8147
8148 if (*arg == NUL)
8149 {
8150 # if defined(FEAT_GUI) || defined(MSWIN)
8151 # ifdef FEAT_GUI
8152 if (gui.in_use && gui_mch_get_winpos(&x, &y) != FAIL)
8153 # else
8154 if (mch_get_winpos(&x, &y) != FAIL)
8155 # endif
8156 {
8157 sprintf((char *)IObuff, _("Window position: X %d, Y %d"), x, y);
8158 msg(IObuff);
8159 }
8160 else
8161 # endif
8162 EMSG(_("E188: Obtaining window position not implemented for this platform"));
8163 }
8164 else
8165 {
8166 x = getdigits(&arg);
8167 arg = skipwhite(arg);
8168 p = arg;
8169 y = getdigits(&arg);
8170 if (*p == NUL || *arg != NUL)
8171 {
8172 EMSG(_("E466: :winpos requires two number arguments"));
8173 return;
8174 }
8175 # ifdef FEAT_GUI
8176 if (gui.in_use)
8177 gui_mch_set_winpos(x, y);
8178 else if (gui.starting)
8179 {
8180 /* Remember the coordinates for when the window is opened. */
8181 gui_win_x = x;
8182 gui_win_y = y;
8183 }
8184 # ifdef HAVE_TGETENT
8185 else
8186 # endif
8187 # else
8188 # ifdef MSWIN
8189 mch_set_winpos(x, y);
8190 # endif
8191 # endif
8192 # ifdef HAVE_TGETENT
8193 if (*T_CWP)
8194 term_set_winpos(x, y);
8195 # endif
8196 }
8197 }
8198 #endif
8199
8200 /*
8201 * Handle command that work like operators: ":delete", ":yank", ":>" and ":<".
8202 */
8203 static void
8204 ex_operators(eap)
8205 exarg_T *eap;
8206 {
8207 oparg_T oa;
8208
8209 clear_oparg(&oa);
8210 oa.regname = eap->regname;
8211 oa.start.lnum = eap->line1;
8212 oa.end.lnum = eap->line2;
8213 oa.line_count = eap->line2 - eap->line1 + 1;
8214 oa.motion_type = MLINE;
8215 #ifdef FEAT_VIRTUALEDIT
8216 virtual_op = FALSE;
8217 #endif
8218 if (eap->cmdidx != CMD_yank) /* position cursor for undo */
8219 {
8220 setpcmark();
8221 curwin->w_cursor.lnum = eap->line1;
8222 beginline(BL_SOL | BL_FIX);
8223 }
8224
8225 switch (eap->cmdidx)
8226 {
8227 case CMD_delete:
8228 oa.op_type = OP_DELETE;
8229 op_delete(&oa);
8230 break;
8231
8232 case CMD_yank:
8233 oa.op_type = OP_YANK;
8234 (void)op_yank(&oa, FALSE, TRUE);
8235 break;
8236
8237 default: /* CMD_rshift or CMD_lshift */
8238 if ((eap->cmdidx == CMD_rshift)
8239 #ifdef FEAT_RIGHTLEFT
8240 ^ curwin->w_p_rl
8241 #endif
8242 )
8243 oa.op_type = OP_RSHIFT;
8244 else
8245 oa.op_type = OP_LSHIFT;
8246 op_shift(&oa, FALSE, eap->amount);
8247 break;
8248 }
8249 #ifdef FEAT_VIRTUALEDIT
8250 virtual_op = MAYBE;
8251 #endif
8252 ex_may_print(eap);
8253 }
8254
8255 /*
8256 * ":put".
8257 */
8258 static void
8259 ex_put(eap)
8260 exarg_T *eap;
8261 {
8262 /* ":0put" works like ":1put!". */
8263 if (eap->line2 == 0)
8264 {
8265 eap->line2 = 1;
8266 eap->forceit = TRUE;
8267 }
8268 curwin->w_cursor.lnum = eap->line2;
8269 do_put(eap->regname, eap->forceit ? BACKWARD : FORWARD, 1L,
8270 PUT_LINE|PUT_CURSLINE);
8271 }
8272
8273 /*
8274 * Handle ":copy" and ":move".
8275 */
8276 static void
8277 ex_copymove(eap)
8278 exarg_T *eap;
8279 {
8280 long n;
8281
8282 n = get_address(&eap->arg, FALSE, FALSE);
8283 if (eap->arg == NULL) /* error detected */
8284 {
8285 eap->nextcmd = NULL;
8286 return;
8287 }
8288 get_flags(eap);
8289
8290 /*
8291 * move or copy lines from 'eap->line1'-'eap->line2' to below line 'n'
8292 */
8293 if (n == MAXLNUM || n < 0 || n > curbuf->b_ml.ml_line_count)
8294 {
8295 EMSG(_(e_invaddr));
8296 return;
8297 }
8298
8299 if (eap->cmdidx == CMD_move)
8300 {
8301 if (do_move(eap->line1, eap->line2, n) == FAIL)
8302 return;
8303 }
8304 else
8305 ex_copy(eap->line1, eap->line2, n);
8306 u_clearline();
8307 beginline(BL_SOL | BL_FIX);
8308 ex_may_print(eap);
8309 }
8310
8311 /*
8312 * Print the current line if flags were given to the Ex command.
8313 */
8314 static void
8315 ex_may_print(eap)
8316 exarg_T *eap;
8317 {
8318 if (eap->flags != 0)
8319 {
8320 print_line(curwin->w_cursor.lnum, (eap->flags & EXFLAG_NR),
8321 (eap->flags & EXFLAG_LIST));
8322 ex_no_reprint = TRUE;
8323 }
8324 }
8325
8326 /*
8327 * ":smagic" and ":snomagic".
8328 */
8329 static void
8330 ex_submagic(eap)
8331 exarg_T *eap;
8332 {
8333 int magic_save = p_magic;
8334
8335 p_magic = (eap->cmdidx == CMD_smagic);
8336 do_sub(eap);
8337 p_magic = magic_save;
8338 }
8339
8340 /*
8341 * ":join".
8342 */
8343 static void
8344 ex_join(eap)
8345 exarg_T *eap;
8346 {
8347 curwin->w_cursor.lnum = eap->line1;
8348 if (eap->line1 == eap->line2)
8349 {
8350 if (eap->addr_count >= 2) /* :2,2join does nothing */
8351 return;
8352 if (eap->line2 == curbuf->b_ml.ml_line_count)
8353 {
8354 beep_flush();
8355 return;
8356 }
8357 ++eap->line2;
8358 }
8359 do_do_join(eap->line2 - eap->line1 + 1, !eap->forceit);
8360 beginline(BL_WHITE | BL_FIX);
8361 ex_may_print(eap);
8362 }
8363
8364 /*
8365 * ":[addr]@r" or ":[addr]*r": execute register
8366 */
8367 static void
8368 ex_at(eap)
8369 exarg_T *eap;
8370 {
8371 int c;
8372 int prev_len = typebuf.tb_len;
8373
8374 curwin->w_cursor.lnum = eap->line2;
8375
8376 #ifdef USE_ON_FLY_SCROLL
8377 dont_scroll = TRUE; /* disallow scrolling here */
8378 #endif
8379
8380 /* get the register name. No name means to use the previous one */
8381 c = *eap->arg;
8382 if (c == NUL || (c == '*' && *eap->cmd == '*'))
8383 c = '@';
8384 /* Put the register in the typeahead buffer with the "silent" flag. */
8385 if (do_execreg(c, TRUE, vim_strchr(p_cpo, CPO_EXECBUF) != NULL, TRUE)
8386 == FAIL)
8387 {
8388 beep_flush();
8389 }
8390 else
8391 {
8392 int save_efr = exec_from_reg;
8393
8394 exec_from_reg = TRUE;
8395
8396 /*
8397 * Execute from the typeahead buffer.
8398 * Continue until the stuff buffer is empty and all added characters
8399 * have been consumed.
8400 */
8401 while (!stuff_empty() || typebuf.tb_len > prev_len)
8402 (void)do_cmdline(NULL, getexline, NULL, DOCMD_NOWAIT|DOCMD_VERBOSE);
8403
8404 exec_from_reg = save_efr;
8405 }
8406 }
8407
8408 /*
8409 * ":!".
8410 */
8411 static void
8412 ex_bang(eap)
8413 exarg_T *eap;
8414 {
8415 do_bang(eap->addr_count, eap, eap->forceit, TRUE, TRUE);
8416 }
8417
8418 /*
8419 * ":undo".
8420 */
8421 static void
8422 ex_undo(eap)
8423 exarg_T *eap UNUSED;
8424 {
8425 if (eap->addr_count == 1) /* :undo 123 */
8426 undo_time(eap->line2, FALSE, TRUE);
8427 else
8428 u_undo(1);
8429 }
8430
8431 /*
8432 * ":redo".
8433 */
8434 static void
8435 ex_redo(eap)
8436 exarg_T *eap UNUSED;
8437 {
8438 u_redo(1);
8439 }
8440
8441 /*
8442 * ":earlier" and ":later".
8443 */
8444 static void
8445 ex_later(eap)
8446 exarg_T *eap;
8447 {
8448 long count = 0;
8449 int sec = FALSE;
8450 char_u *p = eap->arg;
8451
8452 if (*p == NUL)
8453 count = 1;
8454 else if (isdigit(*p))
8455 {
8456 count = getdigits(&p);
8457 switch (*p)
8458 {
8459 case 's': ++p; sec = TRUE; break;
8460 case 'm': ++p; sec = TRUE; count *= 60; break;
8461 case 'h': ++p; sec = TRUE; count *= 60 * 60; break;
8462 }
8463 }
8464
8465 if (*p != NUL)
8466 EMSG2(_(e_invarg2), eap->arg);
8467 else
8468 undo_time(eap->cmdidx == CMD_earlier ? -count : count, sec, FALSE);
8469 }
8470
8471 /*
8472 * ":redir": start/stop redirection.
8473 */
8474 static void
8475 ex_redir(eap)
8476 exarg_T *eap;
8477 {
8478 char *mode;
8479 char_u *fname;
8480 char_u *arg = eap->arg;
8481
8482 if (STRICMP(eap->arg, "END") == 0)
8483 close_redir();
8484 else
8485 {
8486 if (*arg == '>')
8487 {
8488 ++arg;
8489 if (*arg == '>')
8490 {
8491 ++arg;
8492 mode = "a";
8493 }
8494 else
8495 mode = "w";
8496 arg = skipwhite(arg);
8497
8498 close_redir();
8499
8500 /* Expand environment variables and "~/". */
8501 fname = expand_env_save(arg);
8502 if (fname == NULL)
8503 return;
8504 #ifdef FEAT_BROWSE
8505 if (cmdmod.browse)
8506 {
8507 char_u *browseFile;
8508
8509 browseFile = do_browse(BROWSE_SAVE,
8510 (char_u *)_("Save Redirection"),
8511 fname, NULL, NULL, BROWSE_FILTER_ALL_FILES, curbuf);
8512 if (browseFile == NULL)
8513 return; /* operation cancelled */
8514 vim_free(fname);
8515 fname = browseFile;
8516 eap->forceit = TRUE; /* since dialog already asked */
8517 }
8518 #endif
8519
8520 redir_fd = open_exfile(fname, eap->forceit, mode);
8521 vim_free(fname);
8522 }
8523 #ifdef FEAT_EVAL
8524 else if (*arg == '@')
8525 {
8526 /* redirect to a register a-z (resp. A-Z for appending) */
8527 close_redir();
8528 ++arg;
8529 if (ASCII_ISALPHA(*arg)
8530 # ifdef FEAT_CLIPBOARD
8531 || *arg == '*'
8532 || *arg == '+'
8533 # endif
8534 || *arg == '"')
8535 {
8536 redir_reg = *arg++;
8537 if (*arg == '>' && arg[1] == '>') /* append */
8538 arg += 2;
8539 else
8540 {
8541 /* Can use both "@a" and "@a>". */
8542 if (*arg == '>')
8543 arg++;
8544 /* Make register empty when not using @A-@Z and the
8545 * command is valid. */
8546 if (*arg == NUL && !isupper(redir_reg))
8547 write_reg_contents(redir_reg, (char_u *)"", -1, FALSE);
8548 }
8549 }
8550 if (*arg != NUL)
8551 {
8552 redir_reg = 0;
8553 EMSG2(_(e_invarg2), eap->arg);
8554 }
8555 }
8556 else if (*arg == '=' && arg[1] == '>')
8557 {
8558 int append;
8559
8560 /* redirect to a variable */
8561 close_redir();
8562 arg += 2;
8563
8564 if (*arg == '>')
8565 {
8566 ++arg;
8567 append = TRUE;
8568 }
8569 else
8570 append = FALSE;
8571
8572 if (var_redir_start(skipwhite(arg), append) == OK)
8573 redir_vname = 1;
8574 }
8575 #endif
8576
8577 /* TODO: redirect to a buffer */
8578
8579 else
8580 EMSG2(_(e_invarg2), eap->arg);
8581 }
8582
8583 /* Make sure redirection is not off. Can happen for cmdline completion
8584 * that indirectly invokes a command to catch its output. */
8585 if (redir_fd != NULL
8586 #ifdef FEAT_EVAL
8587 || redir_reg || redir_vname
8588 #endif
8589 )
8590 redir_off = FALSE;
8591 }
8592
8593 /*
8594 * ":redraw": force redraw
8595 */
8596 static void
8597 ex_redraw(eap)
8598 exarg_T *eap;
8599 {
8600 int r = RedrawingDisabled;
8601 int p = p_lz;
8602
8603 RedrawingDisabled = 0;
8604 p_lz = FALSE;
8605 update_topline();
8606 update_screen(eap->forceit ? CLEAR :
8607 #ifdef FEAT_VISUAL
8608 VIsual_active ? INVERTED :
8609 #endif
8610 0);
8611 #ifdef FEAT_TITLE
8612 if (need_maketitle)
8613 maketitle();
8614 #endif
8615 RedrawingDisabled = r;
8616 p_lz = p;
8617
8618 /* Reset msg_didout, so that a message that's there is overwritten. */
8619 msg_didout = FALSE;
8620 msg_col = 0;
8621
8622 out_flush();
8623 }
8624
8625 /*
8626 * ":redrawstatus": force redraw of status line(s)
8627 */
8628 static void
8629 ex_redrawstatus(eap)
8630 exarg_T *eap UNUSED;
8631 {
8632 #if defined(FEAT_WINDOWS)
8633 int r = RedrawingDisabled;
8634 int p = p_lz;
8635
8636 RedrawingDisabled = 0;
8637 p_lz = FALSE;
8638 if (eap->forceit)
8639 status_redraw_all();
8640 else
8641 status_redraw_curbuf();
8642 update_screen(
8643 # ifdef FEAT_VISUAL
8644 VIsual_active ? INVERTED :
8645 # endif
8646 0);
8647 RedrawingDisabled = r;
8648 p_lz = p;
8649 out_flush();
8650 #endif
8651 }
8652
8653 static void
8654 close_redir()
8655 {
8656 if (redir_fd != NULL)
8657 {
8658 fclose(redir_fd);
8659 redir_fd = NULL;
8660 }
8661 #ifdef FEAT_EVAL
8662 redir_reg = 0;
8663 if (redir_vname)
8664 {
8665 var_redir_stop();
8666 redir_vname = 0;
8667 }
8668 #endif
8669 }
8670
8671 #if defined(FEAT_SESSION) && defined(USE_CRNL)
8672 # define MKSESSION_NL
8673 static int mksession_nl = FALSE; /* use NL only in put_eol() */
8674 #endif
8675
8676 /*
8677 * ":mkexrc", ":mkvimrc", ":mkview" and ":mksession".
8678 */
8679 static void
8680 ex_mkrc(eap)
8681 exarg_T *eap;
8682 {
8683 FILE *fd;
8684 int failed = FALSE;
8685 char_u *fname;
8686 #ifdef FEAT_BROWSE
8687 char_u *browseFile = NULL;
8688 #endif
8689 #ifdef FEAT_SESSION
8690 int view_session = FALSE;
8691 int using_vdir = FALSE; /* using 'viewdir'? */
8692 char_u *viewFile = NULL;
8693 unsigned *flagp;
8694 #endif
8695
8696 if (eap->cmdidx == CMD_mksession || eap->cmdidx == CMD_mkview)
8697 {
8698 #ifdef FEAT_SESSION
8699 view_session = TRUE;
8700 #else
8701 ex_ni(eap);
8702 return;
8703 #endif
8704 }
8705
8706 #ifdef FEAT_SESSION
8707 /* Use the short file name until ":lcd" is used. We also don't use the
8708 * short file name when 'acd' is set, that is checked later. */
8709 did_lcd = FALSE;
8710
8711 /* ":mkview" or ":mkview 9": generate file name with 'viewdir' */
8712 if (eap->cmdidx == CMD_mkview
8713 && (*eap->arg == NUL
8714 || (vim_isdigit(*eap->arg) && eap->arg[1] == NUL)))
8715 {
8716 eap->forceit = TRUE;
8717 fname = get_view_file(*eap->arg);
8718 if (fname == NULL)
8719 return;
8720 viewFile = fname;
8721 using_vdir = TRUE;
8722 }
8723 else
8724 #endif
8725 if (*eap->arg != NUL)
8726 fname = eap->arg;
8727 else if (eap->cmdidx == CMD_mkvimrc)
8728 fname = (char_u *)VIMRC_FILE;
8729 #ifdef FEAT_SESSION
8730 else if (eap->cmdidx == CMD_mksession)
8731 fname = (char_u *)SESSION_FILE;
8732 #endif
8733 else
8734 fname = (char_u *)EXRC_FILE;
8735
8736 #ifdef FEAT_BROWSE
8737 if (cmdmod.browse)
8738 {
8739 browseFile = do_browse(BROWSE_SAVE,
8740 # ifdef FEAT_SESSION
8741 eap->cmdidx == CMD_mkview ? (char_u *)_("Save View") :
8742 eap->cmdidx == CMD_mksession ? (char_u *)_("Save Session") :
8743 # endif
8744 (char_u *)_("Save Setup"),
8745 fname, (char_u *)"vim", NULL, BROWSE_FILTER_MACROS, NULL);
8746 if (browseFile == NULL)
8747 goto theend;
8748 fname = browseFile;
8749 eap->forceit = TRUE; /* since dialog already asked */
8750 }
8751 #endif
8752
8753 #if defined(FEAT_SESSION) && defined(vim_mkdir)
8754 /* When using 'viewdir' may have to create the directory. */
8755 if (using_vdir && !mch_isdir(p_vdir))
8756 vim_mkdir_emsg(p_vdir, 0755);
8757 #endif
8758
8759 fd = open_exfile(fname, eap->forceit, WRITEBIN);
8760 if (fd != NULL)
8761 {
8762 #ifdef FEAT_SESSION
8763 if (eap->cmdidx == CMD_mkview)
8764 flagp = &vop_flags;
8765 else
8766 flagp = &ssop_flags;
8767 #endif
8768
8769 #ifdef MKSESSION_NL
8770 /* "unix" in 'sessionoptions': use NL line separator */
8771 if (view_session && (*flagp & SSOP_UNIX))
8772 mksession_nl = TRUE;
8773 #endif
8774
8775 /* Write the version command for :mkvimrc */
8776 if (eap->cmdidx == CMD_mkvimrc)
8777 (void)put_line(fd, "version 6.0");
8778
8779 #ifdef FEAT_SESSION
8780 if (eap->cmdidx == CMD_mksession)
8781 {
8782 if (put_line(fd, "let SessionLoad = 1") == FAIL)
8783 failed = TRUE;
8784 }
8785
8786 if (eap->cmdidx != CMD_mkview)
8787 #endif
8788 {
8789 /* Write setting 'compatible' first, because it has side effects.
8790 * For that same reason only do it when needed. */
8791 if (p_cp)
8792 (void)put_line(fd, "if !&cp | set cp | endif");
8793 else
8794 (void)put_line(fd, "if &cp | set nocp | endif");
8795 }
8796
8797 #ifdef FEAT_SESSION
8798 if (!view_session
8799 || (eap->cmdidx == CMD_mksession
8800 && (*flagp & SSOP_OPTIONS)))
8801 #endif
8802 failed |= (makemap(fd, NULL) == FAIL
8803 || makeset(fd, OPT_GLOBAL, FALSE) == FAIL);
8804
8805 #ifdef FEAT_SESSION
8806 if (!failed && view_session)
8807 {
8808 if (put_line(fd, "let s:so_save = &so | let s:siso_save = &siso | set so=0 siso=0") == FAIL)
8809 failed = TRUE;
8810 if (eap->cmdidx == CMD_mksession)
8811 {
8812 char_u dirnow[MAXPATHL]; /* current directory */
8813
8814 /*
8815 * Change to session file's dir.
8816 */
8817 if (mch_dirname(dirnow, MAXPATHL) == FAIL
8818 || mch_chdir((char *)dirnow) != 0)
8819 *dirnow = NUL;
8820 if (*dirnow != NUL && (ssop_flags & SSOP_SESDIR))
8821 {
8822 if (vim_chdirfile(fname) == OK)
8823 shorten_fnames(TRUE);
8824 }
8825 else if (*dirnow != NUL
8826 && (ssop_flags & SSOP_CURDIR) && globaldir != NULL)
8827 {
8828 if (mch_chdir((char *)globaldir) == 0)
8829 shorten_fnames(TRUE);
8830 }
8831
8832 failed |= (makeopens(fd, dirnow) == FAIL);
8833
8834 /* restore original dir */
8835 if (*dirnow != NUL && ((ssop_flags & SSOP_SESDIR)
8836 || ((ssop_flags & SSOP_CURDIR) && globaldir != NULL)))
8837 {
8838 if (mch_chdir((char *)dirnow) != 0)
8839 EMSG(_(e_prev_dir));
8840 shorten_fnames(TRUE);
8841 }
8842 }
8843 else
8844 {
8845 failed |= (put_view(fd, curwin, !using_vdir, flagp,
8846 -1) == FAIL);
8847 }
8848 if (put_line(fd, "let &so = s:so_save | let &siso = s:siso_save")
8849 == FAIL)
8850 failed = TRUE;
8851 if (put_line(fd, "doautoall SessionLoadPost") == FAIL)
8852 failed = TRUE;
8853 if (eap->cmdidx == CMD_mksession)
8854 {
8855 if (put_line(fd, "unlet SessionLoad") == FAIL)
8856 failed = TRUE;
8857 }
8858 }
8859 #endif
8860 if (put_line(fd, "\" vim: set ft=vim :") == FAIL)
8861 failed = TRUE;
8862
8863 failed |= fclose(fd);
8864
8865 if (failed)
8866 EMSG(_(e_write));
8867 #if defined(FEAT_EVAL) && defined(FEAT_SESSION)
8868 else if (eap->cmdidx == CMD_mksession)
8869 {
8870 /* successful session write - set this_session var */
8871 char_u tbuf[MAXPATHL];
8872
8873 if (vim_FullName(fname, tbuf, MAXPATHL, FALSE) == OK)
8874 set_vim_var_string(VV_THIS_SESSION, tbuf, -1);
8875 }
8876 #endif
8877 #ifdef MKSESSION_NL
8878 mksession_nl = FALSE;
8879 #endif
8880 }
8881
8882 #ifdef FEAT_BROWSE
8883 theend:
8884 vim_free(browseFile);
8885 #endif
8886 #ifdef FEAT_SESSION
8887 vim_free(viewFile);
8888 #endif
8889 }
8890
8891 #if ((defined(FEAT_SESSION) || defined(FEAT_EVAL)) && defined(vim_mkdir)) \
8892 || defined(PROTO)
8893 int
8894 vim_mkdir_emsg(name, prot)
8895 char_u *name;
8896 int prot UNUSED;
8897 {
8898 if (vim_mkdir(name, prot) != 0)
8899 {
8900 EMSG2(_("E739: Cannot create directory: %s"), name);
8901 return FAIL;
8902 }
8903 return OK;
8904 }
8905 #endif
8906
8907 /*
8908 * Open a file for writing for an Ex command, with some checks.
8909 * Return file descriptor, or NULL on failure.
8910 */
8911 FILE *
8912 open_exfile(fname, forceit, mode)
8913 char_u *fname;
8914 int forceit;
8915 char *mode; /* "w" for create new file or "a" for append */
8916 {
8917 FILE *fd;
8918
8919 #ifdef UNIX
8920 /* with Unix it is possible to open a directory */
8921 if (mch_isdir(fname))
8922 {
8923 EMSG2(_(e_isadir2), fname);
8924 return NULL;
8925 }
8926 #endif
8927 if (!forceit && *mode != 'a' && vim_fexists(fname))
8928 {
8929 EMSG2(_("E189: \"%s\" exists (add ! to override)"), fname);
8930 return NULL;
8931 }
8932
8933 if ((fd = mch_fopen((char *)fname, mode)) == NULL)
8934 EMSG2(_("E190: Cannot open \"%s\" for writing"), fname);
8935
8936 return fd;
8937 }
8938
8939 /*
8940 * ":mark" and ":k".
8941 */
8942 static void
8943 ex_mark(eap)
8944 exarg_T *eap;
8945 {
8946 pos_T pos;
8947
8948 if (*eap->arg == NUL) /* No argument? */
8949 EMSG(_(e_argreq));
8950 else if (eap->arg[1] != NUL) /* more than one character? */
8951 EMSG(_(e_trailing));
8952 else
8953 {
8954 pos = curwin->w_cursor; /* save curwin->w_cursor */
8955 curwin->w_cursor.lnum = eap->line2;
8956 beginline(BL_WHITE | BL_FIX);
8957 if (setmark(*eap->arg) == FAIL) /* set mark */
8958 EMSG(_("E191: Argument must be a letter or forward/backward quote"));
8959 curwin->w_cursor = pos; /* restore curwin->w_cursor */
8960 }
8961 }
8962
8963 /*
8964 * Update w_topline, w_leftcol and the cursor position.
8965 */
8966 void
8967 update_topline_cursor()
8968 {
8969 check_cursor(); /* put cursor on valid line */
8970 update_topline();
8971 if (!curwin->w_p_wrap)
8972 validate_cursor();
8973 update_curswant();
8974 }
8975
8976 #ifdef FEAT_EX_EXTRA
8977 /*
8978 * ":normal[!] {commands}": Execute normal mode commands.
8979 */
8980 static void
8981 ex_normal(eap)
8982 exarg_T *eap;
8983 {
8984 int save_msg_scroll = msg_scroll;
8985 int save_restart_edit = restart_edit;
8986 int save_msg_didout = msg_didout;
8987 int save_State = State;
8988 tasave_T tabuf;
8989 int save_insertmode = p_im;
8990 int save_finish_op = finish_op;
8991 int save_opcount = opcount;
8992 #ifdef FEAT_MBYTE
8993 char_u *arg = NULL;
8994 int l;
8995 char_u *p;
8996 #endif
8997
8998 if (ex_normal_lock > 0)
8999 {
9000 EMSG(_(e_secure));
9001 return;
9002 }
9003 if (ex_normal_busy >= p_mmd)
9004 {
9005 EMSG(_("E192: Recursive use of :normal too deep"));
9006 return;
9007 }
9008 ++ex_normal_busy;
9009
9010 msg_scroll = FALSE; /* no msg scrolling in Normal mode */
9011 restart_edit = 0; /* don't go to Insert mode */
9012 p_im = FALSE; /* don't use 'insertmode' */
9013
9014 #ifdef FEAT_MBYTE
9015 /*
9016 * vgetc() expects a CSI and K_SPECIAL to have been escaped. Don't do
9017 * this for the K_SPECIAL leading byte, otherwise special keys will not
9018 * work.
9019 */
9020 if (has_mbyte)
9021 {
9022 int len = 0;
9023
9024 /* Count the number of characters to be escaped. */
9025 for (p = eap->arg; *p != NUL; ++p)
9026 {
9027 # ifdef FEAT_GUI
9028 if (*p == CSI) /* leadbyte CSI */
9029 len += 2;
9030 # endif
9031 for (l = (*mb_ptr2len)(p) - 1; l > 0; --l)
9032 if (*++p == K_SPECIAL /* trailbyte K_SPECIAL or CSI */
9033 # ifdef FEAT_GUI
9034 || *p == CSI
9035 # endif
9036 )
9037 len += 2;
9038 }
9039 if (len > 0)
9040 {
9041 arg = alloc((unsigned)(STRLEN(eap->arg) + len + 1));
9042 if (arg != NULL)
9043 {
9044 len = 0;
9045 for (p = eap->arg; *p != NUL; ++p)
9046 {
9047 arg[len++] = *p;
9048 # ifdef FEAT_GUI
9049 if (*p == CSI)
9050 {
9051 arg[len++] = KS_EXTRA;
9052 arg[len++] = (int)KE_CSI;
9053 }
9054 # endif
9055 for (l = (*mb_ptr2len)(p) - 1; l > 0; --l)
9056 {
9057 arg[len++] = *++p;
9058 if (*p == K_SPECIAL)
9059 {
9060 arg[len++] = KS_SPECIAL;
9061 arg[len++] = KE_FILLER;
9062 }
9063 # ifdef FEAT_GUI
9064 else if (*p == CSI)
9065 {
9066 arg[len++] = KS_EXTRA;
9067 arg[len++] = (int)KE_CSI;
9068 }
9069 # endif
9070 }
9071 arg[len] = NUL;
9072 }
9073 }
9074 }
9075 }
9076 #endif
9077
9078 /*
9079 * Save the current typeahead. This is required to allow using ":normal"
9080 * from an event handler and makes sure we don't hang when the argument
9081 * ends with half a command.
9082 */
9083 save_typeahead(&tabuf);
9084 if (tabuf.typebuf_valid)
9085 {
9086 /*
9087 * Repeat the :normal command for each line in the range. When no
9088 * range given, execute it just once, without positioning the cursor
9089 * first.
9090 */
9091 do
9092 {
9093 if (eap->addr_count != 0)
9094 {
9095 curwin->w_cursor.lnum = eap->line1++;
9096 curwin->w_cursor.col = 0;
9097 }
9098
9099 exec_normal_cmd(
9100 #ifdef FEAT_MBYTE
9101 arg != NULL ? arg :
9102 #endif
9103 eap->arg, eap->forceit ? REMAP_NONE : REMAP_YES, FALSE);
9104 }
9105 while (eap->addr_count > 0 && eap->line1 <= eap->line2 && !got_int);
9106 }
9107
9108 /* Might not return to the main loop when in an event handler. */
9109 update_topline_cursor();
9110
9111 /* Restore the previous typeahead. */
9112 restore_typeahead(&tabuf);
9113
9114 --ex_normal_busy;
9115 msg_scroll = save_msg_scroll;
9116 restart_edit = save_restart_edit;
9117 p_im = save_insertmode;
9118 finish_op = save_finish_op;
9119 opcount = save_opcount;
9120 msg_didout |= save_msg_didout; /* don't reset msg_didout now */
9121
9122 /* Restore the state (needed when called from a function executed for
9123 * 'indentexpr'). */
9124 State = save_State;
9125 #ifdef FEAT_MBYTE
9126 vim_free(arg);
9127 #endif
9128 }
9129
9130 /*
9131 * ":startinsert", ":startreplace" and ":startgreplace"
9132 */
9133 static void
9134 ex_startinsert(eap)
9135 exarg_T *eap;
9136 {
9137 if (eap->forceit)
9138 {
9139 coladvance((colnr_T)MAXCOL);
9140 curwin->w_curswant = MAXCOL;
9141 curwin->w_set_curswant = FALSE;
9142 }
9143
9144 /* Ignore the command when already in Insert mode. Inserting an
9145 * expression register that invokes a function can do this. */
9146 if (State & INSERT)
9147 return;
9148
9149 if (eap->cmdidx == CMD_startinsert)
9150 restart_edit = 'a';
9151 else if (eap->cmdidx == CMD_startreplace)
9152 restart_edit = 'R';
9153 else
9154 restart_edit = 'V';
9155
9156 if (!eap->forceit)
9157 {
9158 if (eap->cmdidx == CMD_startinsert)
9159 restart_edit = 'i';
9160 curwin->w_curswant = 0; /* avoid MAXCOL */
9161 }
9162 }
9163
9164 /*
9165 * ":stopinsert"
9166 */
9167 static void
9168 ex_stopinsert(eap)
9169 exarg_T *eap UNUSED;
9170 {
9171 restart_edit = 0;
9172 stop_insert_mode = TRUE;
9173 }
9174 #endif
9175
9176 #if defined(FEAT_EX_EXTRA) || defined(FEAT_MENU) || defined(PROTO)
9177 /*
9178 * Execute normal mode command "cmd".
9179 * "remap" can be REMAP_NONE or REMAP_YES.
9180 */
9181 void
9182 exec_normal_cmd(cmd, remap, silent)
9183 char_u *cmd;
9184 int remap;
9185 int silent;
9186 {
9187 oparg_T oa;
9188
9189 /*
9190 * Stuff the argument into the typeahead buffer.
9191 * Execute normal_cmd() until there is no typeahead left.
9192 */
9193 clear_oparg(&oa);
9194 finish_op = FALSE;
9195 ins_typebuf(cmd, remap, 0, TRUE, silent);
9196 while ((!stuff_empty() || (!typebuf_typed() && typebuf.tb_len > 0))
9197 && !got_int)
9198 {
9199 update_topline_cursor();
9200 normal_cmd(&oa, FALSE); /* execute a Normal mode cmd */
9201 }
9202 }
9203 #endif
9204
9205 #ifdef FEAT_FIND_ID
9206 static void
9207 ex_checkpath(eap)
9208 exarg_T *eap;
9209 {
9210 find_pattern_in_path(NULL, 0, 0, FALSE, FALSE, CHECK_PATH, 1L,
9211 eap->forceit ? ACTION_SHOW_ALL : ACTION_SHOW,
9212 (linenr_T)1, (linenr_T)MAXLNUM);
9213 }
9214
9215 #if defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX)
9216 /*
9217 * ":psearch"
9218 */
9219 static void
9220 ex_psearch(eap)
9221 exarg_T *eap;
9222 {
9223 g_do_tagpreview = p_pvh;
9224 ex_findpat(eap);
9225 g_do_tagpreview = 0;
9226 }
9227 #endif
9228
9229 static void
9230 ex_findpat(eap)
9231 exarg_T *eap;
9232 {
9233 int whole = TRUE;
9234 long n;
9235 char_u *p;
9236 int action;
9237
9238 switch (cmdnames[eap->cmdidx].cmd_name[2])
9239 {
9240 case 'e': /* ":psearch", ":isearch" and ":dsearch" */
9241 if (cmdnames[eap->cmdidx].cmd_name[0] == 'p')
9242 action = ACTION_GOTO;
9243 else
9244 action = ACTION_SHOW;
9245 break;
9246 case 'i': /* ":ilist" and ":dlist" */
9247 action = ACTION_SHOW_ALL;
9248 break;
9249 case 'u': /* ":ijump" and ":djump" */
9250 action = ACTION_GOTO;
9251 break;
9252 default: /* ":isplit" and ":dsplit" */
9253 action = ACTION_SPLIT;
9254 break;
9255 }
9256
9257 n = 1;
9258 if (vim_isdigit(*eap->arg)) /* get count */
9259 {
9260 n = getdigits(&eap->arg);
9261 eap->arg = skipwhite(eap->arg);
9262 }
9263 if (*eap->arg == '/') /* Match regexp, not just whole words */
9264 {
9265 whole = FALSE;
9266 ++eap->arg;
9267 p = skip_regexp(eap->arg, '/', p_magic, NULL);
9268 if (*p)
9269 {
9270 *p++ = NUL;
9271 p = skipwhite(p);
9272
9273 /* Check for trailing illegal characters */
9274 if (!ends_excmd(*p))
9275 eap->errmsg = e_trailing;
9276 else
9277 eap->nextcmd = check_nextcmd(p);
9278 }
9279 }
9280 if (!eap->skip)
9281 find_pattern_in_path(eap->arg, 0, (int)STRLEN(eap->arg),
9282 whole, !eap->forceit,
9283 *eap->cmd == 'd' ? FIND_DEFINE : FIND_ANY,
9284 n, action, eap->line1, eap->line2);
9285 }
9286 #endif
9287
9288 #ifdef FEAT_WINDOWS
9289
9290 # ifdef FEAT_QUICKFIX
9291 /*
9292 * ":ptag", ":ptselect", ":ptjump", ":ptnext", etc.
9293 */
9294 static void
9295 ex_ptag(eap)
9296 exarg_T *eap;
9297 {
9298 g_do_tagpreview = p_pvh;
9299 ex_tag_cmd(eap, cmdnames[eap->cmdidx].cmd_name + 1);
9300 }
9301
9302 /*
9303 * ":pedit"
9304 */
9305 static void
9306 ex_pedit(eap)
9307 exarg_T *eap;
9308 {
9309 win_T *curwin_save = curwin;
9310
9311 g_do_tagpreview = p_pvh;
9312 prepare_tagpreview(TRUE);
9313 keep_help_flag = curwin_save->w_buffer->b_help;
9314 do_exedit(eap, NULL);
9315 keep_help_flag = FALSE;
9316 if (curwin != curwin_save && win_valid(curwin_save))
9317 {
9318 /* Return cursor to where we were */
9319 validate_cursor();
9320 redraw_later(VALID);
9321 win_enter(curwin_save, TRUE);
9322 }
9323 g_do_tagpreview = 0;
9324 }
9325 # endif
9326
9327 /*
9328 * ":stag", ":stselect" and ":stjump".
9329 */
9330 static void
9331 ex_stag(eap)
9332 exarg_T *eap;
9333 {
9334 postponed_split = -1;
9335 postponed_split_flags = cmdmod.split;
9336 postponed_split_tab = cmdmod.tab;
9337 ex_tag_cmd(eap, cmdnames[eap->cmdidx].cmd_name + 1);
9338 postponed_split_flags = 0;
9339 postponed_split_tab = 0;
9340 }
9341 #endif
9342
9343 /*
9344 * ":tag", ":tselect", ":tjump", ":tnext", etc.
9345 */
9346 static void
9347 ex_tag(eap)
9348 exarg_T *eap;
9349 {
9350 ex_tag_cmd(eap, cmdnames[eap->cmdidx].cmd_name);
9351 }
9352
9353 static void
9354 ex_tag_cmd(eap, name)
9355 exarg_T *eap;
9356 char_u *name;
9357 {
9358 int cmd;
9359
9360 switch (name[1])
9361 {
9362 case 'j': cmd = DT_JUMP; /* ":tjump" */
9363 break;
9364 case 's': cmd = DT_SELECT; /* ":tselect" */
9365 break;
9366 case 'p': cmd = DT_PREV; /* ":tprevious" */
9367 break;
9368 case 'N': cmd = DT_PREV; /* ":tNext" */
9369 break;
9370 case 'n': cmd = DT_NEXT; /* ":tnext" */
9371 break;
9372 case 'o': cmd = DT_POP; /* ":pop" */
9373 break;
9374 case 'f': /* ":tfirst" */
9375 case 'r': cmd = DT_FIRST; /* ":trewind" */
9376 break;
9377 case 'l': cmd = DT_LAST; /* ":tlast" */
9378 break;
9379 default: /* ":tag" */
9380 #ifdef FEAT_CSCOPE
9381 if (p_cst && *eap->arg != NUL)
9382 {
9383 do_cstag(eap);
9384 return;
9385 }
9386 #endif
9387 cmd = DT_TAG;
9388 break;
9389 }
9390
9391 if (name[0] == 'l')
9392 {
9393 #ifndef FEAT_QUICKFIX
9394 ex_ni(eap);
9395 return;
9396 #else
9397 cmd = DT_LTAG;
9398 #endif
9399 }
9400
9401 do_tag(eap->arg, cmd, eap->addr_count > 0 ? (int)eap->line2 : 1,
9402 eap->forceit, TRUE);
9403 }
9404
9405 /*
9406 * Check "str" for starting with a special cmdline variable.
9407 * If found return one of the SPEC_ values and set "*usedlen" to the length of
9408 * the variable. Otherwise return -1 and "*usedlen" is unchanged.
9409 */
9410 int
9411 find_cmdline_var(src, usedlen)
9412 char_u *src;
9413 int *usedlen;
9414 {
9415 int len;
9416 int i;
9417 static char *(spec_str[]) = {
9418 "%",
9419 #define SPEC_PERC 0
9420 "#",
9421 #define SPEC_HASH 1
9422 "<cword>", /* cursor word */
9423 #define SPEC_CWORD 2
9424 "<cWORD>", /* cursor WORD */
9425 #define SPEC_CCWORD 3
9426 "<cfile>", /* cursor path name */
9427 #define SPEC_CFILE 4
9428 "<sfile>", /* ":so" file name */
9429 #define SPEC_SFILE 5
9430 #ifdef FEAT_AUTOCMD
9431 "<afile>", /* autocommand file name */
9432 # define SPEC_AFILE 6
9433 "<abuf>", /* autocommand buffer number */
9434 # define SPEC_ABUF 7
9435 "<amatch>", /* autocommand match name */
9436 # define SPEC_AMATCH 8
9437 #endif
9438 #ifdef FEAT_CLIENTSERVER
9439 "<client>"
9440 # define SPEC_CLIENT 9
9441 #endif
9442 };
9443
9444 for (i = 0; i < (int)(sizeof(spec_str) / sizeof(char *)); ++i)
9445 {
9446 len = (int)STRLEN(spec_str[i]);
9447 if (STRNCMP(src, spec_str[i], len) == 0)
9448 {
9449 *usedlen = len;
9450 return i;
9451 }
9452 }
9453 return -1;
9454 }
9455
9456 /*
9457 * Evaluate cmdline variables.
9458 *
9459 * change '%' to curbuf->b_ffname
9460 * '#' to curwin->w_altfile
9461 * '<cword>' to word under the cursor
9462 * '<cWORD>' to WORD under the cursor
9463 * '<cfile>' to path name under the cursor
9464 * '<sfile>' to sourced file name
9465 * '<afile>' to file name for autocommand
9466 * '<abuf>' to buffer number for autocommand
9467 * '<amatch>' to matching name for autocommand
9468 *
9469 * When an error is detected, "errormsg" is set to a non-NULL pointer (may be
9470 * "" for error without a message) and NULL is returned.
9471 * Returns an allocated string if a valid match was found.
9472 * Returns NULL if no match was found. "usedlen" then still contains the
9473 * number of characters to skip.
9474 */
9475 char_u *
9476 eval_vars(src, srcstart, usedlen, lnump, errormsg, escaped)
9477 char_u *src; /* pointer into commandline */
9478 char_u *srcstart; /* beginning of valid memory for src */
9479 int *usedlen; /* characters after src that are used */
9480 linenr_T *lnump; /* line number for :e command, or NULL */
9481 char_u **errormsg; /* pointer to error message */
9482 int *escaped; /* return value has escaped white space (can
9483 * be NULL) */
9484 {
9485 int i;
9486 char_u *s;
9487 char_u *result;
9488 char_u *resultbuf = NULL;
9489 int resultlen;
9490 buf_T *buf;
9491 int valid = VALID_HEAD + VALID_PATH; /* assume valid result */
9492 int spec_idx;
9493 #ifdef FEAT_MODIFY_FNAME
9494 int skip_mod = FALSE;
9495 #endif
9496
9497 #if defined(FEAT_AUTOCMD) || defined(FEAT_CLIENTSERVER)
9498 char_u strbuf[30];
9499 #endif
9500
9501 *errormsg = NULL;
9502 if (escaped != NULL)
9503 *escaped = FALSE;
9504
9505 /*
9506 * Check if there is something to do.
9507 */
9508 spec_idx = find_cmdline_var(src, usedlen);
9509 if (spec_idx < 0) /* no match */
9510 {
9511 *usedlen = 1;
9512 return NULL;
9513 }
9514
9515 /*
9516 * Skip when preceded with a backslash "\%" and "\#".
9517 * Note: In "\\%" the % is also not recognized!
9518 */
9519 if (src > srcstart && src[-1] == '\\')
9520 {
9521 *usedlen = 0;
9522 STRMOVE(src - 1, src); /* remove backslash */
9523 return NULL;
9524 }
9525
9526 /*
9527 * word or WORD under cursor
9528 */
9529 if (spec_idx == SPEC_CWORD || spec_idx == SPEC_CCWORD)
9530 {
9531 resultlen = find_ident_under_cursor(&result, spec_idx == SPEC_CWORD ?
9532 (FIND_IDENT|FIND_STRING) : FIND_STRING);
9533 if (resultlen == 0)
9534 {
9535 *errormsg = (char_u *)"";
9536 return NULL;
9537 }
9538 }
9539
9540 /*
9541 * '#': Alternate file name
9542 * '%': Current file name
9543 * File name under the cursor
9544 * File name for autocommand
9545 * and following modifiers
9546 */
9547 else
9548 {
9549 switch (spec_idx)
9550 {
9551 case SPEC_PERC: /* '%': current file */
9552 if (curbuf->b_fname == NULL)
9553 {
9554 result = (char_u *)"";
9555 valid = 0; /* Must have ":p:h" to be valid */
9556 }
9557 else
9558 #ifdef RISCOS
9559 /* Always use the full path for RISC OS if possible. */
9560 result = curbuf->b_ffname;
9561 if (result == NULL)
9562 result = curbuf->b_fname;
9563 #else
9564 result = curbuf->b_fname;
9565 #endif
9566 break;
9567
9568 case SPEC_HASH: /* '#' or "#99": alternate file */
9569 if (src[1] == '#') /* "##": the argument list */
9570 {
9571 result = arg_all();
9572 resultbuf = result;
9573 *usedlen = 2;
9574 if (escaped != NULL)
9575 *escaped = TRUE;
9576 #ifdef FEAT_MODIFY_FNAME
9577 skip_mod = TRUE;
9578 #endif
9579 break;
9580 }
9581 s = src + 1;
9582 if (*s == '<') /* "#<99" uses v:oldfiles */
9583 ++s;
9584 i = (int)getdigits(&s);
9585 *usedlen = (int)(s - src); /* length of what we expand */
9586
9587 if (src[1] == '<')
9588 {
9589 if (*usedlen < 2)
9590 {
9591 /* Should we give an error message for #<text? */
9592 *usedlen = 1;
9593 return NULL;
9594 }
9595 #ifdef FEAT_EVAL
9596 result = list_find_str(get_vim_var_list(VV_OLDFILES),
9597 (long)i);
9598 if (result == NULL)
9599 {
9600 *errormsg = (char_u *)"";
9601 return NULL;
9602 }
9603 #else
9604 *errormsg = (char_u *)_("E809: #< is not available without the +eval feature");
9605 return NULL;
9606 #endif
9607 }
9608 else
9609 {
9610 buf = buflist_findnr(i);
9611 if (buf == NULL)
9612 {
9613 *errormsg = (char_u *)_("E194: No alternate file name to substitute for '#'");
9614 return NULL;
9615 }
9616 if (lnump != NULL)
9617 *lnump = ECMD_LAST;
9618 if (buf->b_fname == NULL)
9619 {
9620 result = (char_u *)"";
9621 valid = 0; /* Must have ":p:h" to be valid */
9622 }
9623 else
9624 result = buf->b_fname;
9625 }
9626 break;
9627
9628 #ifdef FEAT_SEARCHPATH
9629 case SPEC_CFILE: /* file name under cursor */
9630 result = file_name_at_cursor(FNAME_MESS|FNAME_HYP, 1L, NULL);
9631 if (result == NULL)
9632 {
9633 *errormsg = (char_u *)"";
9634 return NULL;
9635 }
9636 resultbuf = result; /* remember allocated string */
9637 break;
9638 #endif
9639
9640 #ifdef FEAT_AUTOCMD
9641 case SPEC_AFILE: /* file name for autocommand */
9642 result = autocmd_fname;
9643 if (result != NULL && !autocmd_fname_full)
9644 {
9645 /* Still need to turn the fname into a full path. It is
9646 * postponed to avoid a delay when <afile> is not used. */
9647 autocmd_fname_full = TRUE;
9648 result = FullName_save(autocmd_fname, FALSE);
9649 vim_free(autocmd_fname);
9650 autocmd_fname = result;
9651 }
9652 if (result == NULL)
9653 {
9654 *errormsg = (char_u *)_("E495: no autocommand file name to substitute for \"<afile>\"");
9655 return NULL;
9656 }
9657 result = shorten_fname1(result);
9658 break;
9659
9660 case SPEC_ABUF: /* buffer number for autocommand */
9661 if (autocmd_bufnr <= 0)
9662 {
9663 *errormsg = (char_u *)_("E496: no autocommand buffer number to substitute for \"<abuf>\"");
9664 return NULL;
9665 }
9666 sprintf((char *)strbuf, "%d", autocmd_bufnr);
9667 result = strbuf;
9668 break;
9669
9670 case SPEC_AMATCH: /* match name for autocommand */
9671 result = autocmd_match;
9672 if (result == NULL)
9673 {
9674 *errormsg = (char_u *)_("E497: no autocommand match name to substitute for \"<amatch>\"");
9675 return NULL;
9676 }
9677 break;
9678
9679 #endif
9680 case SPEC_SFILE: /* file name for ":so" command */
9681 result = sourcing_name;
9682 if (result == NULL)
9683 {
9684 *errormsg = (char_u *)_("E498: no :source file name to substitute for \"<sfile>\"");
9685 return NULL;
9686 }
9687 break;
9688 #if defined(FEAT_CLIENTSERVER)
9689 case SPEC_CLIENT: /* Source of last submitted input */
9690 sprintf((char *)strbuf, PRINTF_HEX_LONG_U,
9691 (long_u)clientWindow);
9692 result = strbuf;
9693 break;
9694 #endif
9695 }
9696
9697 resultlen = (int)STRLEN(result); /* length of new string */
9698 if (src[*usedlen] == '<') /* remove the file name extension */
9699 {
9700 ++*usedlen;
9701 #ifdef RISCOS
9702 if ((s = vim_strrchr(result, '/')) != NULL && s >= gettail(result))
9703 #else
9704 if ((s = vim_strrchr(result, '.')) != NULL && s >= gettail(result))
9705 #endif
9706 resultlen = (int)(s - result);
9707 }
9708 #ifdef FEAT_MODIFY_FNAME
9709 else if (!skip_mod)
9710 {
9711 valid |= modify_fname(src, usedlen, &result, &resultbuf,
9712 &resultlen);
9713 if (result == NULL)
9714 {
9715 *errormsg = (char_u *)"";
9716 return NULL;
9717 }
9718 }
9719 #endif
9720 }
9721
9722 if (resultlen == 0 || valid != VALID_HEAD + VALID_PATH)
9723 {
9724 if (valid != VALID_HEAD + VALID_PATH)
9725 /* xgettext:no-c-format */
9726 *errormsg = (char_u *)_("E499: Empty file name for '%' or '#', only works with \":p:h\"");
9727 else
9728 *errormsg = (char_u *)_("E500: Evaluates to an empty string");
9729 result = NULL;
9730 }
9731 else
9732 result = vim_strnsave(result, resultlen);
9733 vim_free(resultbuf);
9734 return result;
9735 }
9736
9737 /*
9738 * Concatenate all files in the argument list, separated by spaces, and return
9739 * it in one allocated string.
9740 * Spaces and backslashes in the file names are escaped with a backslash.
9741 * Returns NULL when out of memory.
9742 */
9743 static char_u *
9744 arg_all()
9745 {
9746 int len;
9747 int idx;
9748 char_u *retval = NULL;
9749 char_u *p;
9750
9751 /*
9752 * Do this loop two times:
9753 * first time: compute the total length
9754 * second time: concatenate the names
9755 */
9756 for (;;)
9757 {
9758 len = 0;
9759 for (idx = 0; idx < ARGCOUNT; ++idx)
9760 {
9761 p = alist_name(&ARGLIST[idx]);
9762 if (p != NULL)
9763 {
9764 if (len > 0)
9765 {
9766 /* insert a space in between names */
9767 if (retval != NULL)
9768 retval[len] = ' ';
9769 ++len;
9770 }
9771 for ( ; *p != NUL; ++p)
9772 {
9773 if (*p == ' ' || *p == '\\')
9774 {
9775 /* insert a backslash */
9776 if (retval != NULL)
9777 retval[len] = '\\';
9778 ++len;
9779 }
9780 if (retval != NULL)
9781 retval[len] = *p;
9782 ++len;
9783 }
9784 }
9785 }
9786
9787 /* second time: break here */
9788 if (retval != NULL)
9789 {
9790 retval[len] = NUL;
9791 break;
9792 }
9793
9794 /* allocate memory */
9795 retval = alloc((unsigned)len + 1);
9796 if (retval == NULL)
9797 break;
9798 }
9799
9800 return retval;
9801 }
9802
9803 #if defined(FEAT_AUTOCMD) || defined(PROTO)
9804 /*
9805 * Expand the <sfile> string in "arg".
9806 *
9807 * Returns an allocated string, or NULL for any error.
9808 */
9809 char_u *
9810 expand_sfile(arg)
9811 char_u *arg;
9812 {
9813 char_u *errormsg;
9814 int len;
9815 char_u *result;
9816 char_u *newres;
9817 char_u *repl;
9818 int srclen;
9819 char_u *p;
9820
9821 result = vim_strsave(arg);
9822 if (result == NULL)
9823 return NULL;
9824
9825 for (p = result; *p; )
9826 {
9827 if (STRNCMP(p, "<sfile>", 7) != 0)
9828 ++p;
9829 else
9830 {
9831 /* replace "<sfile>" with the sourced file name, and do ":" stuff */
9832 repl = eval_vars(p, result, &srclen, NULL, &errormsg, NULL);
9833 if (errormsg != NULL)
9834 {
9835 if (*errormsg)
9836 emsg(errormsg);
9837 vim_free(result);
9838 return NULL;
9839 }
9840 if (repl == NULL) /* no match (cannot happen) */
9841 {
9842 p += srclen;
9843 continue;
9844 }
9845 len = (int)STRLEN(result) - srclen + (int)STRLEN(repl) + 1;
9846 newres = alloc(len);
9847 if (newres == NULL)
9848 {
9849 vim_free(repl);
9850 vim_free(result);
9851 return NULL;
9852 }
9853 mch_memmove(newres, result, (size_t)(p - result));
9854 STRCPY(newres + (p - result), repl);
9855 len = (int)STRLEN(newres);
9856 STRCAT(newres, p + srclen);
9857 vim_free(repl);
9858 vim_free(result);
9859 result = newres;
9860 p = newres + len; /* continue after the match */
9861 }
9862 }
9863
9864 return result;
9865 }
9866 #endif
9867
9868 #ifdef FEAT_SESSION
9869 static int ses_winsizes __ARGS((FILE *fd, int restore_size,
9870 win_T *tab_firstwin));
9871 static int ses_win_rec __ARGS((FILE *fd, frame_T *fr));
9872 static frame_T *ses_skipframe __ARGS((frame_T *fr));
9873 static int ses_do_frame __ARGS((frame_T *fr));
9874 static int ses_do_win __ARGS((win_T *wp));
9875 static int ses_arglist __ARGS((FILE *fd, char *cmd, garray_T *gap, int fullname, unsigned *flagp));
9876 static int ses_put_fname __ARGS((FILE *fd, char_u *name, unsigned *flagp));
9877 static int ses_fname __ARGS((FILE *fd, buf_T *buf, unsigned *flagp));
9878
9879 /*
9880 * Write openfile commands for the current buffers to an .exrc file.
9881 * Return FAIL on error, OK otherwise.
9882 */
9883 static int
9884 makeopens(fd, dirnow)
9885 FILE *fd;
9886 char_u *dirnow; /* Current directory name */
9887 {
9888 buf_T *buf;
9889 int only_save_windows = TRUE;
9890 int nr;
9891 int cnr = 1;
9892 int restore_size = TRUE;
9893 win_T *wp;
9894 char_u *sname;
9895 win_T *edited_win = NULL;
9896 int tabnr;
9897 win_T *tab_firstwin;
9898 frame_T *tab_topframe;
9899 int cur_arg_idx = 0;
9900 int next_arg_idx = 0;
9901
9902 if (ssop_flags & SSOP_BUFFERS)
9903 only_save_windows = FALSE; /* Save ALL buffers */
9904
9905 /*
9906 * Begin by setting the this_session variable, and then other
9907 * sessionable variables.
9908 */
9909 #ifdef FEAT_EVAL
9910 if (put_line(fd, "let v:this_session=expand(\"<sfile>:p\")") == FAIL)
9911 return FAIL;
9912 if (ssop_flags & SSOP_GLOBALS)
9913 if (store_session_globals(fd) == FAIL)
9914 return FAIL;
9915 #endif
9916
9917 /*
9918 * Close all windows but one.
9919 */
9920 if (put_line(fd, "silent only") == FAIL)
9921 return FAIL;
9922
9923 /*
9924 * Now a :cd command to the session directory or the current directory
9925 */
9926 if (ssop_flags & SSOP_SESDIR)
9927 {
9928 if (put_line(fd, "exe \"cd \" . escape(expand(\"<sfile>:p:h\"), ' ')")
9929 == FAIL)
9930 return FAIL;
9931 }
9932 else if (ssop_flags & SSOP_CURDIR)
9933 {
9934 sname = home_replace_save(NULL, globaldir != NULL ? globaldir : dirnow);
9935 if (sname == NULL
9936 || fputs("cd ", fd) < 0
9937 || ses_put_fname(fd, sname, &ssop_flags) == FAIL
9938 || put_eol(fd) == FAIL)
9939 {
9940 vim_free(sname);
9941 return FAIL;
9942 }
9943 vim_free(sname);
9944 }
9945
9946 /*
9947 * If there is an empty, unnamed buffer we will wipe it out later.
9948 * Remember the buffer number.
9949 */
9950 if (put_line(fd, "if expand('%') == '' && !&modified && line('$') <= 1 && getline(1) == ''") == FAIL)
9951 return FAIL;
9952 if (put_line(fd, " let s:wipebuf = bufnr('%')") == FAIL)
9953 return FAIL;
9954 if (put_line(fd, "endif") == FAIL)
9955 return FAIL;
9956
9957 /*
9958 * Now save the current files, current buffer first.
9959 */
9960 if (put_line(fd, "set shortmess=aoO") == FAIL)
9961 return FAIL;
9962
9963 /* Now put the other buffers into the buffer list */
9964 for (buf = firstbuf; buf != NULL; buf = buf->b_next)
9965 {
9966 if (!(only_save_windows && buf->b_nwindows == 0)
9967 && !(buf->b_help && !(ssop_flags & SSOP_HELP))
9968 && buf->b_fname != NULL
9969 && buf->b_p_bl)
9970 {
9971 if (fprintf(fd, "badd +%ld ", buf->b_wininfo == NULL ? 1L
9972 : buf->b_wininfo->wi_fpos.lnum) < 0
9973 || ses_fname(fd, buf, &ssop_flags) == FAIL)
9974 return FAIL;
9975 }
9976 }
9977
9978 /* the global argument list */
9979 if (ses_arglist(fd, "args", &global_alist.al_ga,
9980 !(ssop_flags & SSOP_CURDIR), &ssop_flags) == FAIL)
9981 return FAIL;
9982
9983 if (ssop_flags & SSOP_RESIZE)
9984 {
9985 /* Note: after the restore we still check it worked!*/
9986 if (fprintf(fd, "set lines=%ld columns=%ld" , Rows, Columns) < 0
9987 || put_eol(fd) == FAIL)
9988 return FAIL;
9989 }
9990
9991 #ifdef FEAT_GUI
9992 if (gui.in_use && (ssop_flags & SSOP_WINPOS))
9993 {
9994 int x, y;
9995
9996 if (gui_mch_get_winpos(&x, &y) == OK)
9997 {
9998 /* Note: after the restore we still check it worked!*/
9999 if (fprintf(fd, "winpos %d %d", x, y) < 0 || put_eol(fd) == FAIL)
10000 return FAIL;
10001 }
10002 }
10003 #endif
10004
10005 /*
10006 * May repeat putting Windows for each tab, when "tabpages" is in
10007 * 'sessionoptions'.
10008 * Don't use goto_tabpage(), it may change directory and trigger
10009 * autocommands.
10010 */
10011 tab_firstwin = firstwin; /* first window in tab page "tabnr" */
10012 tab_topframe = topframe;
10013 for (tabnr = 1; ; ++tabnr)
10014 {
10015 int need_tabnew = FALSE;
10016
10017 if ((ssop_flags & SSOP_TABPAGES))
10018 {
10019 tabpage_T *tp = find_tabpage(tabnr);
10020
10021 if (tp == NULL)
10022 break; /* done all tab pages */
10023 if (tp == curtab)
10024 {
10025 tab_firstwin = firstwin;
10026 tab_topframe = topframe;
10027 }
10028 else
10029 {
10030 tab_firstwin = tp->tp_firstwin;
10031 tab_topframe = tp->tp_topframe;
10032 }
10033 if (tabnr > 1)
10034 need_tabnew = TRUE;
10035 }
10036
10037 /*
10038 * Before creating the window layout, try loading one file. If this
10039 * is aborted we don't end up with a number of useless windows.
10040 * This may have side effects! (e.g., compressed or network file).
10041 */
10042 for (wp = tab_firstwin; wp != NULL; wp = wp->w_next)
10043 {
10044 if (ses_do_win(wp)
10045 && wp->w_buffer->b_ffname != NULL
10046 && !wp->w_buffer->b_help
10047 #ifdef FEAT_QUICKFIX
10048 && !bt_nofile(wp->w_buffer)
10049 #endif
10050 )
10051 {
10052 if (fputs(need_tabnew ? "tabedit " : "edit ", fd) < 0
10053 || ses_fname(fd, wp->w_buffer, &ssop_flags) == FAIL)
10054 return FAIL;
10055 need_tabnew = FALSE;
10056 if (!wp->w_arg_idx_invalid)
10057 edited_win = wp;
10058 break;
10059 }
10060 }
10061
10062 /* If no file got edited create an empty tab page. */
10063 if (need_tabnew && put_line(fd, "tabnew") == FAIL)
10064 return FAIL;
10065
10066 /*
10067 * Save current window layout.
10068 */
10069 if (put_line(fd, "set splitbelow splitright") == FAIL)
10070 return FAIL;
10071 if (ses_win_rec(fd, tab_topframe) == FAIL)
10072 return FAIL;
10073 if (!p_sb && put_line(fd, "set nosplitbelow") == FAIL)
10074 return FAIL;
10075 if (!p_spr && put_line(fd, "set nosplitright") == FAIL)
10076 return FAIL;
10077
10078 /*
10079 * Check if window sizes can be restored (no windows omitted).
10080 * Remember the window number of the current window after restoring.
10081 */
10082 nr = 0;
10083 for (wp = tab_firstwin; wp != NULL; wp = W_NEXT(wp))
10084 {
10085 if (ses_do_win(wp))
10086 ++nr;
10087 else
10088 restore_size = FALSE;
10089 if (curwin == wp)
10090 cnr = nr;
10091 }
10092
10093 /* Go to the first window. */
10094 if (put_line(fd, "wincmd t") == FAIL)
10095 return FAIL;
10096
10097 /*
10098 * If more than one window, see if sizes can be restored.
10099 * First set 'winheight' and 'winwidth' to 1 to avoid the windows being
10100 * resized when moving between windows.
10101 * Do this before restoring the view, so that the topline and the
10102 * cursor can be set. This is done again below.
10103 */
10104 if (put_line(fd, "set winheight=1 winwidth=1") == FAIL)
10105 return FAIL;
10106 if (nr > 1 && ses_winsizes(fd, restore_size, tab_firstwin) == FAIL)
10107 return FAIL;
10108
10109 /*
10110 * Restore the view of the window (options, file, cursor, etc.).
10111 */
10112 for (wp = tab_firstwin; wp != NULL; wp = wp->w_next)
10113 {
10114 if (!ses_do_win(wp))
10115 continue;
10116 if (put_view(fd, wp, wp != edited_win, &ssop_flags,
10117 cur_arg_idx) == FAIL)
10118 return FAIL;
10119 if (nr > 1 && put_line(fd, "wincmd w") == FAIL)
10120 return FAIL;
10121 next_arg_idx = wp->w_arg_idx;
10122 }
10123
10124 /* The argument index in the first tab page is zero, need to set it in
10125 * each window. For further tab pages it's the window where we do
10126 * "tabedit". */
10127 cur_arg_idx = next_arg_idx;
10128
10129 /*
10130 * Restore cursor to the current window if it's not the first one.
10131 */
10132 if (cnr > 1 && (fprintf(fd, "%dwincmd w", cnr) < 0
10133 || put_eol(fd) == FAIL))
10134 return FAIL;
10135
10136 /*
10137 * Restore window sizes again after jumping around in windows, because
10138 * the current window has a minimum size while others may not.
10139 */
10140 if (nr > 1 && ses_winsizes(fd, restore_size, tab_firstwin) == FAIL)
10141 return FAIL;
10142
10143 /* Don't continue in another tab page when doing only the current one
10144 * or when at the last tab page. */
10145 if (!(ssop_flags & SSOP_TABPAGES))
10146 break;
10147 }
10148
10149 if (ssop_flags & SSOP_TABPAGES)
10150 {
10151 if (fprintf(fd, "tabnext %d", tabpage_index(curtab)) < 0
10152 || put_eol(fd) == FAIL)
10153 return FAIL;
10154 }
10155
10156 /*
10157 * Wipe out an empty unnamed buffer we started in.
10158 */
10159 if (put_line(fd, "if exists('s:wipebuf')") == FAIL)
10160 return FAIL;
10161 if (put_line(fd, " silent exe 'bwipe ' . s:wipebuf") == FAIL)
10162 return FAIL;
10163 if (put_line(fd, "endif") == FAIL)
10164 return FAIL;
10165 if (put_line(fd, "unlet! s:wipebuf") == FAIL)
10166 return FAIL;
10167
10168 /* Re-apply 'winheight', 'winwidth' and 'shortmess'. */
10169 if (fprintf(fd, "set winheight=%ld winwidth=%ld shortmess=%s",
10170 p_wh, p_wiw, p_shm) < 0 || put_eol(fd) == FAIL)
10171 return FAIL;
10172
10173 /*
10174 * Lastly, execute the x.vim file if it exists.
10175 */
10176 if (put_line(fd, "let s:sx = expand(\"<sfile>:p:r\").\"x.vim\"") == FAIL
10177 || put_line(fd, "if file_readable(s:sx)") == FAIL
10178 || put_line(fd, " exe \"source \" . fnameescape(s:sx)") == FAIL
10179 || put_line(fd, "endif") == FAIL)
10180 return FAIL;
10181
10182 return OK;
10183 }
10184
10185 static int
10186 ses_winsizes(fd, restore_size, tab_firstwin)
10187 FILE *fd;
10188 int restore_size;
10189 win_T *tab_firstwin;
10190 {
10191 int n = 0;
10192 win_T *wp;
10193
10194 if (restore_size && (ssop_flags & SSOP_WINSIZE))
10195 {
10196 for (wp = tab_firstwin; wp != NULL; wp = wp->w_next)
10197 {
10198 if (!ses_do_win(wp))
10199 continue;
10200 ++n;
10201
10202 /* restore height when not full height */
10203 if (wp->w_height + wp->w_status_height < topframe->fr_height
10204 && (fprintf(fd,
10205 "exe '%dresize ' . ((&lines * %ld + %ld) / %ld)",
10206 n, (long)wp->w_height, Rows / 2, Rows) < 0
10207 || put_eol(fd) == FAIL))
10208 return FAIL;
10209
10210 /* restore width when not full width */
10211 if (wp->w_width < Columns && (fprintf(fd,
10212 "exe 'vert %dresize ' . ((&columns * %ld + %ld) / %ld)",
10213 n, (long)wp->w_width, Columns / 2, Columns) < 0
10214 || put_eol(fd) == FAIL))
10215 return FAIL;
10216 }
10217 }
10218 else
10219 {
10220 /* Just equalise window sizes */
10221 if (put_line(fd, "wincmd =") == FAIL)
10222 return FAIL;
10223 }
10224 return OK;
10225 }
10226
10227 /*
10228 * Write commands to "fd" to recursively create windows for frame "fr",
10229 * horizontally and vertically split.
10230 * After the commands the last window in the frame is the current window.
10231 * Returns FAIL when writing the commands to "fd" fails.
10232 */
10233 static int
10234 ses_win_rec(fd, fr)
10235 FILE *fd;
10236 frame_T *fr;
10237 {
10238 frame_T *frc;
10239 int count = 0;
10240
10241 if (fr->fr_layout != FR_LEAF)
10242 {
10243 /* Find first frame that's not skipped and then create a window for
10244 * each following one (first frame is already there). */
10245 frc = ses_skipframe(fr->fr_child);
10246 if (frc != NULL)
10247 while ((frc = ses_skipframe(frc->fr_next)) != NULL)
10248 {
10249 /* Make window as big as possible so that we have lots of room
10250 * to split. */
10251 if (put_line(fd, "wincmd _ | wincmd |") == FAIL
10252 || put_line(fd, fr->fr_layout == FR_COL
10253 ? "split" : "vsplit") == FAIL)
10254 return FAIL;
10255 ++count;
10256 }
10257
10258 /* Go back to the first window. */
10259 if (count > 0 && (fprintf(fd, fr->fr_layout == FR_COL
10260 ? "%dwincmd k" : "%dwincmd h", count) < 0
10261 || put_eol(fd) == FAIL))
10262 return FAIL;
10263
10264 /* Recursively create frames/windows in each window of this column or
10265 * row. */
10266 frc = ses_skipframe(fr->fr_child);
10267 while (frc != NULL)
10268 {
10269 ses_win_rec(fd, frc);
10270 frc = ses_skipframe(frc->fr_next);
10271 /* Go to next window. */
10272 if (frc != NULL && put_line(fd, "wincmd w") == FAIL)
10273 return FAIL;
10274 }
10275 }
10276 return OK;
10277 }
10278
10279 /*
10280 * Skip frames that don't contain windows we want to save in the Session.
10281 * Returns NULL when there none.
10282 */
10283 static frame_T *
10284 ses_skipframe(fr)
10285 frame_T *fr;
10286 {
10287 frame_T *frc;
10288
10289 for (frc = fr; frc != NULL; frc = frc->fr_next)
10290 if (ses_do_frame(frc))
10291 break;
10292 return frc;
10293 }
10294
10295 /*
10296 * Return TRUE if frame "fr" has a window somewhere that we want to save in
10297 * the Session.
10298 */
10299 static int
10300 ses_do_frame(fr)
10301 frame_T *fr;
10302 {
10303 frame_T *frc;
10304
10305 if (fr->fr_layout == FR_LEAF)
10306 return ses_do_win(fr->fr_win);
10307 for (frc = fr->fr_child; frc != NULL; frc = frc->fr_next)
10308 if (ses_do_frame(frc))
10309 return TRUE;
10310 return FALSE;
10311 }
10312
10313 /*
10314 * Return non-zero if window "wp" is to be stored in the Session.
10315 */
10316 static int
10317 ses_do_win(wp)
10318 win_T *wp;
10319 {
10320 if (wp->w_buffer->b_fname == NULL
10321 #ifdef FEAT_QUICKFIX
10322 /* When 'buftype' is "nofile" can't restore the window contents. */
10323 || bt_nofile(wp->w_buffer)
10324 #endif
10325 )
10326 return (ssop_flags & SSOP_BLANK);
10327 if (wp->w_buffer->b_help)
10328 return (ssop_flags & SSOP_HELP);
10329 return TRUE;
10330 }
10331
10332 /*
10333 * Write commands to "fd" to restore the view of a window.
10334 * Caller must make sure 'scrolloff' is zero.
10335 */
10336 static int
10337 put_view(fd, wp, add_edit, flagp, current_arg_idx)
10338 FILE *fd;
10339 win_T *wp;
10340 int add_edit; /* add ":edit" command to view */
10341 unsigned *flagp; /* vop_flags or ssop_flags */
10342 int current_arg_idx; /* current argument index of the window, use
10343 * -1 if unknown */
10344 {
10345 win_T *save_curwin;
10346 int f;
10347 int do_cursor;
10348 int did_next = FALSE;
10349
10350 /* Always restore cursor position for ":mksession". For ":mkview" only
10351 * when 'viewoptions' contains "cursor". */
10352 do_cursor = (flagp == &ssop_flags || *flagp & SSOP_CURSOR);
10353
10354 /*
10355 * Local argument list.
10356 */
10357 if (wp->w_alist == &global_alist)
10358 {
10359 if (put_line(fd, "argglobal") == FAIL)
10360 return FAIL;
10361 }
10362 else
10363 {
10364 if (ses_arglist(fd, "arglocal", &wp->w_alist->al_ga,
10365 flagp == &vop_flags
10366 || !(*flagp & SSOP_CURDIR)
10367 || wp->w_localdir != NULL, flagp) == FAIL)
10368 return FAIL;
10369 }
10370
10371 /* Only when part of a session: restore the argument index. Some
10372 * arguments may have been deleted, check if the index is valid. */
10373 if (wp->w_arg_idx != current_arg_idx && wp->w_arg_idx <= WARGCOUNT(wp)
10374 && flagp == &ssop_flags)
10375 {
10376 if (fprintf(fd, "%ldargu", (long)wp->w_arg_idx + 1) < 0
10377 || put_eol(fd) == FAIL)
10378 return FAIL;
10379 did_next = TRUE;
10380 }
10381
10382 /* Edit the file. Skip this when ":next" already did it. */
10383 if (add_edit && (!did_next || wp->w_arg_idx_invalid))
10384 {
10385 /*
10386 * Load the file.
10387 */
10388 if (wp->w_buffer->b_ffname != NULL
10389 #ifdef FEAT_QUICKFIX
10390 && !bt_nofile(wp->w_buffer)
10391 #endif
10392 )
10393 {
10394 /*
10395 * Editing a file in this buffer: use ":edit file".
10396 * This may have side effects! (e.g., compressed or network file).
10397 */
10398 if (fputs("edit ", fd) < 0
10399 || ses_fname(fd, wp->w_buffer, flagp) == FAIL)
10400 return FAIL;
10401 }
10402 else
10403 {
10404 /* No file in this buffer, just make it empty. */
10405 if (put_line(fd, "enew") == FAIL)
10406 return FAIL;
10407 #ifdef FEAT_QUICKFIX
10408 if (wp->w_buffer->b_ffname != NULL)
10409 {
10410 /* The buffer does have a name, but it's not a file name. */
10411 if (fputs("file ", fd) < 0
10412 || ses_fname(fd, wp->w_buffer, flagp) == FAIL)
10413 return FAIL;
10414 }
10415 #endif
10416 do_cursor = FALSE;
10417 }
10418 }
10419
10420 /*
10421 * Local mappings and abbreviations.
10422 */
10423 if ((*flagp & (SSOP_OPTIONS | SSOP_LOCALOPTIONS))
10424 && makemap(fd, wp->w_buffer) == FAIL)
10425 return FAIL;
10426
10427 /*
10428 * Local options. Need to go to the window temporarily.
10429 * Store only local values when using ":mkview" and when ":mksession" is
10430 * used and 'sessionoptions' doesn't include "options".
10431 * Some folding options are always stored when "folds" is included,
10432 * otherwise the folds would not be restored correctly.
10433 */
10434 save_curwin = curwin;
10435 curwin = wp;
10436 curbuf = curwin->w_buffer;
10437 if (*flagp & (SSOP_OPTIONS | SSOP_LOCALOPTIONS))
10438 f = makeset(fd, OPT_LOCAL,
10439 flagp == &vop_flags || !(*flagp & SSOP_OPTIONS));
10440 #ifdef FEAT_FOLDING
10441 else if (*flagp & SSOP_FOLDS)
10442 f = makefoldset(fd);
10443 #endif
10444 else
10445 f = OK;
10446 curwin = save_curwin;
10447 curbuf = curwin->w_buffer;
10448 if (f == FAIL)
10449 return FAIL;
10450
10451 #ifdef FEAT_FOLDING
10452 /*
10453 * Save Folds when 'buftype' is empty and for help files.
10454 */
10455 if ((*flagp & SSOP_FOLDS)
10456 && wp->w_buffer->b_ffname != NULL
10457 # ifdef FEAT_QUICKFIX
10458 && (*wp->w_buffer->b_p_bt == NUL || wp->w_buffer->b_help)
10459 # endif
10460 )
10461 {
10462 if (put_folds(fd, wp) == FAIL)
10463 return FAIL;
10464 }
10465 #endif
10466
10467 /*
10468 * Set the cursor after creating folds, since that moves the cursor.
10469 */
10470 if (do_cursor)
10471 {
10472
10473 /* Restore the cursor line in the file and relatively in the
10474 * window. Don't use "G", it changes the jumplist. */
10475 if (fprintf(fd, "let s:l = %ld - ((%ld * winheight(0) + %ld) / %ld)",
10476 (long)wp->w_cursor.lnum,
10477 (long)(wp->w_cursor.lnum - wp->w_topline),
10478 (long)wp->w_height / 2, (long)wp->w_height) < 0
10479 || put_eol(fd) == FAIL
10480 || put_line(fd, "if s:l < 1 | let s:l = 1 | endif") == FAIL
10481 || put_line(fd, "exe s:l") == FAIL
10482 || put_line(fd, "normal! zt") == FAIL
10483 || fprintf(fd, "%ld", (long)wp->w_cursor.lnum) < 0
10484 || put_eol(fd) == FAIL)
10485 return FAIL;
10486 /* Restore the cursor column and left offset when not wrapping. */
10487 if (wp->w_cursor.col == 0)
10488 {
10489 if (put_line(fd, "normal! 0") == FAIL)
10490 return FAIL;
10491 }
10492 else
10493 {
10494 if (!wp->w_p_wrap && wp->w_leftcol > 0 && wp->w_width > 0)
10495 {
10496 if (fprintf(fd,
10497 "let s:c = %ld - ((%ld * winwidth(0) + %ld) / %ld)",
10498 (long)wp->w_cursor.col,
10499 (long)(wp->w_cursor.col - wp->w_leftcol),
10500 (long)wp->w_width / 2, (long)wp->w_width) < 0
10501 || put_eol(fd) == FAIL
10502 || put_line(fd, "if s:c > 0") == FAIL
10503 || fprintf(fd,
10504 " exe 'normal! 0' . s:c . 'lzs' . (%ld - s:c) . 'l'",
10505 (long)wp->w_cursor.col) < 0
10506 || put_eol(fd) == FAIL
10507 || put_line(fd, "else") == FAIL
10508 || fprintf(fd, " normal! 0%dl", wp->w_cursor.col) < 0
10509 || put_eol(fd) == FAIL
10510 || put_line(fd, "endif") == FAIL)
10511 return FAIL;
10512 }
10513 else
10514 {
10515 if (fprintf(fd, "normal! 0%dl", wp->w_cursor.col) < 0
10516 || put_eol(fd) == FAIL)
10517 return FAIL;
10518 }
10519 }
10520 }
10521
10522 /*
10523 * Local directory.
10524 */
10525 if (wp->w_localdir != NULL)
10526 {
10527 if (fputs("lcd ", fd) < 0
10528 || ses_put_fname(fd, wp->w_localdir, flagp) == FAIL
10529 || put_eol(fd) == FAIL)
10530 return FAIL;
10531 did_lcd = TRUE;
10532 }
10533
10534 return OK;
10535 }
10536
10537 /*
10538 * Write an argument list to the session file.
10539 * Returns FAIL if writing fails.
10540 */
10541 static int
10542 ses_arglist(fd, cmd, gap, fullname, flagp)
10543 FILE *fd;
10544 char *cmd;
10545 garray_T *gap;
10546 int fullname; /* TRUE: use full path name */
10547 unsigned *flagp;
10548 {
10549 int i;
10550 char_u buf[MAXPATHL];
10551 char_u *s;
10552
10553 if (gap->ga_len == 0)
10554 return put_line(fd, "silent! argdel *");
10555 if (fputs(cmd, fd) < 0)
10556 return FAIL;
10557 for (i = 0; i < gap->ga_len; ++i)
10558 {
10559 /* NULL file names are skipped (only happens when out of memory). */
10560 s = alist_name(&((aentry_T *)gap->ga_data)[i]);
10561 if (s != NULL)
10562 {
10563 if (fullname)
10564 {
10565 (void)vim_FullName(s, buf, MAXPATHL, FALSE);
10566 s = buf;
10567 }
10568 if (fputs(" ", fd) < 0 || ses_put_fname(fd, s, flagp) == FAIL)
10569 return FAIL;
10570 }
10571 }
10572 return put_eol(fd);
10573 }
10574
10575 /*
10576 * Write a buffer name to the session file.
10577 * Also ends the line.
10578 * Returns FAIL if writing fails.
10579 */
10580 static int
10581 ses_fname(fd, buf, flagp)
10582 FILE *fd;
10583 buf_T *buf;
10584 unsigned *flagp;
10585 {
10586 char_u *name;
10587
10588 /* Use the short file name if the current directory is known at the time
10589 * the session file will be sourced.
10590 * Don't do this for ":mkview", we don't know the current directory.
10591 * Don't do this after ":lcd", we don't keep track of what the current
10592 * directory is. */
10593 if (buf->b_sfname != NULL
10594 && flagp == &ssop_flags
10595 && (ssop_flags & (SSOP_CURDIR | SSOP_SESDIR))
10596 #ifdef FEAT_AUTOCHDIR
10597 && !p_acd
10598 #endif
10599 && !did_lcd)
10600 name = buf->b_sfname;
10601 else
10602 name = buf->b_ffname;
10603 if (ses_put_fname(fd, name, flagp) == FAIL || put_eol(fd) == FAIL)
10604 return FAIL;
10605 return OK;
10606 }
10607
10608 /*
10609 * Write a file name to the session file.
10610 * Takes care of the "slash" option in 'sessionoptions' and escapes special
10611 * characters.
10612 * Returns FAIL if writing fails.
10613 */
10614 static int
10615 ses_put_fname(fd, name, flagp)
10616 FILE *fd;
10617 char_u *name;
10618 unsigned *flagp;
10619 {
10620 char_u *sname;
10621 int retval = OK;
10622 int c;
10623
10624 sname = home_replace_save(NULL, name);
10625 if (sname != NULL)
10626 name = sname;
10627 while (*name != NUL)
10628 {
10629 #ifdef FEAT_MBYTE
10630 {
10631 int l;
10632
10633 if (has_mbyte && (l = (*mb_ptr2len)(name)) > 1)
10634 {
10635 /* copy a multibyte char */
10636 while (--l >= 0)
10637 {
10638 if (putc(*name, fd) != *name)
10639 retval = FAIL;
10640 ++name;
10641 }
10642 continue;
10643 }
10644 }
10645 #endif
10646 c = *name++;
10647 if (c == '\\' && (*flagp & SSOP_SLASH))
10648 /* change a backslash to a forward slash */
10649 c = '/';
10650 else if ((vim_strchr(escape_chars, c) != NULL
10651 #ifdef BACKSLASH_IN_FILENAME
10652 && c != '\\'
10653 #endif
10654 ) || c == '#' || c == '%')
10655 {
10656 /* escape a special character with a backslash */
10657 if (putc('\\', fd) != '\\')
10658 retval = FAIL;
10659 }
10660 if (putc(c, fd) != c)
10661 retval = FAIL;
10662 }
10663 vim_free(sname);
10664 return retval;
10665 }
10666
10667 /*
10668 * ":loadview [nr]"
10669 */
10670 static void
10671 ex_loadview(eap)
10672 exarg_T *eap;
10673 {
10674 char_u *fname;
10675
10676 fname = get_view_file(*eap->arg);
10677 if (fname != NULL)
10678 {
10679 do_source(fname, FALSE, DOSO_NONE);
10680 vim_free(fname);
10681 }
10682 }
10683
10684 /*
10685 * Get the name of the view file for the current buffer.
10686 */
10687 static char_u *
10688 get_view_file(c)
10689 int c;
10690 {
10691 int len = 0;
10692 char_u *p, *s;
10693 char_u *retval;
10694 char_u *sname;
10695
10696 if (curbuf->b_ffname == NULL)
10697 {
10698 EMSG(_(e_noname));
10699 return NULL;
10700 }
10701 sname = home_replace_save(NULL, curbuf->b_ffname);
10702 if (sname == NULL)
10703 return NULL;
10704
10705 /*
10706 * We want a file name without separators, because we're not going to make
10707 * a directory.
10708 * "normal" path separator -> "=+"
10709 * "=" -> "=="
10710 * ":" path separator -> "=-"
10711 */
10712 for (p = sname; *p; ++p)
10713 if (*p == '=' || vim_ispathsep(*p))
10714 ++len;
10715 retval = alloc((unsigned)(STRLEN(sname) + len + STRLEN(p_vdir) + 9));
10716 if (retval != NULL)
10717 {
10718 STRCPY(retval, p_vdir);
10719 add_pathsep(retval);
10720 s = retval + STRLEN(retval);
10721 for (p = sname; *p; ++p)
10722 {
10723 if (*p == '=')
10724 {
10725 *s++ = '=';
10726 *s++ = '=';
10727 }
10728 else if (vim_ispathsep(*p))
10729 {
10730 *s++ = '=';
10731 #if defined(BACKSLASH_IN_FILENAME) || defined(AMIGA) || defined(RISCOS) \
10732 || defined(VMS)
10733 if (*p == ':')
10734 *s++ = '-';
10735 else
10736 #endif
10737 *s++ = '+';
10738 }
10739 else
10740 *s++ = *p;
10741 }
10742 *s++ = '=';
10743 *s++ = c;
10744 STRCPY(s, ".vim");
10745 }
10746
10747 vim_free(sname);
10748 return retval;
10749 }
10750
10751 #endif /* FEAT_SESSION */
10752
10753 /*
10754 * Write end-of-line character(s) for ":mkexrc", ":mkvimrc" and ":mksession".
10755 * Return FAIL for a write error.
10756 */
10757 int
10758 put_eol(fd)
10759 FILE *fd;
10760 {
10761 if (
10762 #ifdef USE_CRNL
10763 (
10764 # ifdef MKSESSION_NL
10765 !mksession_nl &&
10766 # endif
10767 (putc('\r', fd) < 0)) ||
10768 #endif
10769 (putc('\n', fd) < 0))
10770 return FAIL;
10771 return OK;
10772 }
10773
10774 /*
10775 * Write a line to "fd".
10776 * Return FAIL for a write error.
10777 */
10778 int
10779 put_line(fd, s)
10780 FILE *fd;
10781 char *s;
10782 {
10783 if (fputs(s, fd) < 0 || put_eol(fd) == FAIL)
10784 return FAIL;
10785 return OK;
10786 }
10787
10788 #ifdef FEAT_VIMINFO
10789 /*
10790 * ":rviminfo" and ":wviminfo".
10791 */
10792 static void
10793 ex_viminfo(eap)
10794 exarg_T *eap;
10795 {
10796 char_u *save_viminfo;
10797
10798 save_viminfo = p_viminfo;
10799 if (*p_viminfo == NUL)
10800 p_viminfo = (char_u *)"'100";
10801 if (eap->cmdidx == CMD_rviminfo)
10802 {
10803 if (read_viminfo(eap->arg, VIF_WANT_INFO | VIF_WANT_MARKS
10804 | (eap->forceit ? VIF_FORCEIT : 0)) == FAIL)
10805 EMSG(_("E195: Cannot open viminfo file for reading"));
10806 }
10807 else
10808 write_viminfo(eap->arg, eap->forceit);
10809 p_viminfo = save_viminfo;
10810 }
10811 #endif
10812
10813 #if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG) || defined(PROTO)
10814 /*
10815 * Make a dialog message in "buff[IOSIZE]".
10816 * "format" must contain "%s".
10817 */
10818 void
10819 dialog_msg(buff, format, fname)
10820 char_u *buff;
10821 char *format;
10822 char_u *fname;
10823 {
10824 if (fname == NULL)
10825 fname = (char_u *)_("Untitled");
10826 vim_snprintf((char *)buff, IOSIZE, format, fname);
10827 }
10828 #endif
10829
10830 /*
10831 * ":behave {mswin,xterm}"
10832 */
10833 static void
10834 ex_behave(eap)
10835 exarg_T *eap;
10836 {
10837 if (STRCMP(eap->arg, "mswin") == 0)
10838 {
10839 set_option_value((char_u *)"selection", 0L, (char_u *)"exclusive", 0);
10840 set_option_value((char_u *)"selectmode", 0L, (char_u *)"mouse,key", 0);
10841 set_option_value((char_u *)"mousemodel", 0L, (char_u *)"popup", 0);
10842 set_option_value((char_u *)"keymodel", 0L,
10843 (char_u *)"startsel,stopsel", 0);
10844 }
10845 else if (STRCMP(eap->arg, "xterm") == 0)
10846 {
10847 set_option_value((char_u *)"selection", 0L, (char_u *)"inclusive", 0);
10848 set_option_value((char_u *)"selectmode", 0L, (char_u *)"", 0);
10849 set_option_value((char_u *)"mousemodel", 0L, (char_u *)"extend", 0);
10850 set_option_value((char_u *)"keymodel", 0L, (char_u *)"", 0);
10851 }
10852 else
10853 EMSG2(_(e_invarg2), eap->arg);
10854 }
10855
10856 #ifdef FEAT_AUTOCMD
10857 static int filetype_detect = FALSE;
10858 static int filetype_plugin = FALSE;
10859 static int filetype_indent = FALSE;
10860
10861 /*
10862 * ":filetype [plugin] [indent] {on,off,detect}"
10863 * on: Load the filetype.vim file to install autocommands for file types.
10864 * off: Load the ftoff.vim file to remove all autocommands for file types.
10865 * plugin on: load filetype.vim and ftplugin.vim
10866 * plugin off: load ftplugof.vim
10867 * indent on: load filetype.vim and indent.vim
10868 * indent off: load indoff.vim
10869 */
10870 static void
10871 ex_filetype(eap)
10872 exarg_T *eap;
10873 {
10874 char_u *arg = eap->arg;
10875 int plugin = FALSE;
10876 int indent = FALSE;
10877
10878 if (*eap->arg == NUL)
10879 {
10880 /* Print current status. */
10881 smsg((char_u *)"filetype detection:%s plugin:%s indent:%s",
10882 filetype_detect ? "ON" : "OFF",
10883 filetype_plugin ? (filetype_detect ? "ON" : "(on)") : "OFF",
10884 filetype_indent ? (filetype_detect ? "ON" : "(on)") : "OFF");
10885 return;
10886 }
10887
10888 /* Accept "plugin" and "indent" in any order. */
10889 for (;;)
10890 {
10891 if (STRNCMP(arg, "plugin", 6) == 0)
10892 {
10893 plugin = TRUE;
10894 arg = skipwhite(arg + 6);
10895 continue;
10896 }
10897 if (STRNCMP(arg, "indent", 6) == 0)
10898 {
10899 indent = TRUE;
10900 arg = skipwhite(arg + 6);
10901 continue;
10902 }
10903 break;
10904 }
10905 if (STRCMP(arg, "on") == 0 || STRCMP(arg, "detect") == 0)
10906 {
10907 if (*arg == 'o' || !filetype_detect)
10908 {
10909 source_runtime((char_u *)FILETYPE_FILE, TRUE);
10910 filetype_detect = TRUE;
10911 if (plugin)
10912 {
10913 source_runtime((char_u *)FTPLUGIN_FILE, TRUE);
10914 filetype_plugin = TRUE;
10915 }
10916 if (indent)
10917 {
10918 source_runtime((char_u *)INDENT_FILE, TRUE);
10919 filetype_indent = TRUE;
10920 }
10921 }
10922 if (*arg == 'd')
10923 {
10924 (void)do_doautocmd((char_u *)"filetypedetect BufRead", TRUE);
10925 do_modelines(0);
10926 }
10927 }
10928 else if (STRCMP(arg, "off") == 0)
10929 {
10930 if (plugin || indent)
10931 {
10932 if (plugin)
10933 {
10934 source_runtime((char_u *)FTPLUGOF_FILE, TRUE);
10935 filetype_plugin = FALSE;
10936 }
10937 if (indent)
10938 {
10939 source_runtime((char_u *)INDOFF_FILE, TRUE);
10940 filetype_indent = FALSE;
10941 }
10942 }
10943 else
10944 {
10945 source_runtime((char_u *)FTOFF_FILE, TRUE);
10946 filetype_detect = FALSE;
10947 }
10948 }
10949 else
10950 EMSG2(_(e_invarg2), arg);
10951 }
10952
10953 /*
10954 * ":setfiletype {name}"
10955 */
10956 static void
10957 ex_setfiletype(eap)
10958 exarg_T *eap;
10959 {
10960 if (!did_filetype)
10961 set_option_value((char_u *)"filetype", 0L, eap->arg, OPT_LOCAL);
10962 }
10963 #endif
10964
10965 static void
10966 ex_digraphs(eap)
10967 exarg_T *eap UNUSED;
10968 {
10969 #ifdef FEAT_DIGRAPHS
10970 if (*eap->arg != NUL)
10971 putdigraph(eap->arg);
10972 else
10973 listdigraphs();
10974 #else
10975 EMSG(_("E196: No digraphs in this version"));
10976 #endif
10977 }
10978
10979 static void
10980 ex_set(eap)
10981 exarg_T *eap;
10982 {
10983 int flags = 0;
10984
10985 if (eap->cmdidx == CMD_setlocal)
10986 flags = OPT_LOCAL;
10987 else if (eap->cmdidx == CMD_setglobal)
10988 flags = OPT_GLOBAL;
10989 #if defined(FEAT_EVAL) && defined(FEAT_AUTOCMD) && defined(FEAT_BROWSE)
10990 if (cmdmod.browse && flags == 0)
10991 ex_options(eap);
10992 else
10993 #endif
10994 (void)do_set(eap->arg, flags);
10995 }
10996
10997 #ifdef FEAT_SEARCH_EXTRA
10998 /*
10999 * ":nohlsearch"
11000 */
11001 static void
11002 ex_nohlsearch(eap)
11003 exarg_T *eap UNUSED;
11004 {
11005 no_hlsearch = TRUE;
11006 redraw_all_later(SOME_VALID);
11007 }
11008
11009 /*
11010 * ":[N]match {group} {pattern}"
11011 * Sets nextcmd to the start of the next command, if any. Also called when
11012 * skipping commands to find the next command.
11013 */
11014 static void
11015 ex_match(eap)
11016 exarg_T *eap;
11017 {
11018 char_u *p;
11019 char_u *g = NULL;
11020 char_u *end;
11021 int c;
11022 int id;
11023
11024 if (eap->line2 <= 3)
11025 id = eap->line2;
11026 else
11027 {
11028 EMSG(e_invcmd);
11029 return;
11030 }
11031
11032 /* First clear any old pattern. */
11033 if (!eap->skip)
11034 match_delete(curwin, id, FALSE);
11035
11036 if (ends_excmd(*eap->arg))
11037 end = eap->arg;
11038 else if ((STRNICMP(eap->arg, "none", 4) == 0
11039 && (vim_iswhite(eap->arg[4]) || ends_excmd(eap->arg[4]))))
11040 end = eap->arg + 4;
11041 else
11042 {
11043 p = skiptowhite(eap->arg);
11044 if (!eap->skip)
11045 g = vim_strnsave(eap->arg, (int)(p - eap->arg));
11046 p = skipwhite(p);
11047 if (*p == NUL)
11048 {
11049 /* There must be two arguments. */
11050 EMSG2(_(e_invarg2), eap->arg);
11051 return;
11052 }
11053 end = skip_regexp(p + 1, *p, TRUE, NULL);
11054 if (!eap->skip)
11055 {
11056 if (*end != NUL && !ends_excmd(*skipwhite(end + 1)))
11057 {
11058 eap->errmsg = e_trailing;
11059 return;
11060 }
11061 if (*end != *p)
11062 {
11063 EMSG2(_(e_invarg2), p);
11064 return;
11065 }
11066
11067 c = *end;
11068 *end = NUL;
11069 match_add(curwin, g, p + 1, 10, id);
11070 vim_free(g);
11071 *end = c;
11072 }
11073 }
11074 eap->nextcmd = find_nextcmd(end);
11075 }
11076 #endif
11077
11078 #ifdef FEAT_CRYPT
11079 /*
11080 * ":X": Get crypt key
11081 */
11082 static void
11083 ex_X(eap)
11084 exarg_T *eap UNUSED;
11085 {
11086 (void)get_crypt_key(TRUE, TRUE);
11087 }
11088 #endif
11089
11090 #ifdef FEAT_FOLDING
11091 static void
11092 ex_fold(eap)
11093 exarg_T *eap;
11094 {
11095 if (foldManualAllowed(TRUE))
11096 foldCreate(eap->line1, eap->line2);
11097 }
11098
11099 static void
11100 ex_foldopen(eap)
11101 exarg_T *eap;
11102 {
11103 opFoldRange(eap->line1, eap->line2, eap->cmdidx == CMD_foldopen,
11104 eap->forceit, FALSE);
11105 }
11106
11107 static void
11108 ex_folddo(eap)
11109 exarg_T *eap;
11110 {
11111 linenr_T lnum;
11112
11113 /* First set the marks for all lines closed/open. */
11114 for (lnum = eap->line1; lnum <= eap->line2; ++lnum)
11115 if (hasFolding(lnum, NULL, NULL) == (eap->cmdidx == CMD_folddoclosed))
11116 ml_setmarked(lnum);
11117
11118 /* Execute the command on the marked lines. */
11119 global_exe(eap->arg);
11120 ml_clearmarked(); /* clear rest of the marks */
11121 }
11122 #endif
Vim with various extensions