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Dialog sheet animation can no longer cause a crash
[MacVim.git] / src / ex_docmd.c
blob066c6e8e4033a845d6eca4e4e5da88843193bc71
1 /* vi:set ts=8 sts=4 sw=4:
2 *
3 * VIM - Vi IMproved by Bram Moolenaar
4 *
5 * Do ":help uganda" in Vim to read copying and usage conditions.
6 * Do ":help credits" in Vim to see a list of people who contributed.
7 * See README.txt for an overview of the Vim source code.
8 */
9
10 /*
11 * ex_docmd.c: functions for executing an Ex command line.
12 */
13
14 #include "vim.h"
15
16 static int quitmore = 0;
17 static int ex_pressedreturn = FALSE;
18 #ifndef FEAT_PRINTER
19 # define ex_hardcopy ex_ni
20 #endif
21
22 #ifdef FEAT_USR_CMDS
23 typedef struct ucmd
24 {
25 char_u *uc_name; /* The command name */
26 long_u uc_argt; /* The argument type */
27 char_u *uc_rep; /* The command's replacement string */
28 long uc_def; /* The default value for a range/count */
29 scid_T uc_scriptID; /* SID where the command was defined */
30 int uc_compl; /* completion type */
31 # if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL)
32 char_u *uc_compl_arg; /* completion argument if any */
33 # endif
34 } ucmd_T;
35
36 #define UC_BUFFER 1 /* -buffer: local to current buffer */
37
38 static garray_T ucmds = {0, 0, sizeof(ucmd_T), 4, NULL};
39
40 #define USER_CMD(i) (&((ucmd_T *)(ucmds.ga_data))[i])
41 #define USER_CMD_GA(gap, i) (&((ucmd_T *)((gap)->ga_data))[i])
42
43 static void do_ucmd __ARGS((exarg_T *eap));
44 static void ex_command __ARGS((exarg_T *eap));
45 static void ex_delcommand __ARGS((exarg_T *eap));
46 # ifdef FEAT_CMDL_COMPL
47 static char_u *get_user_command_name __ARGS((int idx));
48 # endif
49
50 #else
51 # define ex_command ex_ni
52 # define ex_comclear ex_ni
53 # define ex_delcommand ex_ni
54 #endif
55
56 #ifdef FEAT_EVAL
57 static char_u *do_one_cmd __ARGS((char_u **, int, struct condstack *, char_u *(*fgetline)(int, void *, int), void *cookie));
58 #else
59 static char_u *do_one_cmd __ARGS((char_u **, int, char_u *(*fgetline)(int, void *, int), void *cookie));
60 static int if_level = 0; /* depth in :if */
61 #endif
62 static char_u *find_command __ARGS((exarg_T *eap, int *full));
63
64 static void ex_abbreviate __ARGS((exarg_T *eap));
65 static void ex_map __ARGS((exarg_T *eap));
66 static void ex_unmap __ARGS((exarg_T *eap));
67 static void ex_mapclear __ARGS((exarg_T *eap));
68 static void ex_abclear __ARGS((exarg_T *eap));
69 #ifndef FEAT_MENU
70 # define ex_emenu ex_ni
71 # define ex_menu ex_ni
72 # define ex_menutranslate ex_ni
73 #endif
74 #ifdef FEAT_AUTOCMD
75 static void ex_autocmd __ARGS((exarg_T *eap));
76 static void ex_doautocmd __ARGS((exarg_T *eap));
77 #else
78 # define ex_autocmd ex_ni
79 # define ex_doautocmd ex_ni
80 # define ex_doautoall ex_ni
81 #endif
82 #ifdef FEAT_LISTCMDS
83 static void ex_bunload __ARGS((exarg_T *eap));
84 static void ex_buffer __ARGS((exarg_T *eap));
85 static void ex_bmodified __ARGS((exarg_T *eap));
86 static void ex_bnext __ARGS((exarg_T *eap));
87 static void ex_bprevious __ARGS((exarg_T *eap));
88 static void ex_brewind __ARGS((exarg_T *eap));
89 static void ex_blast __ARGS((exarg_T *eap));
90 #else
91 # define ex_bunload ex_ni
92 # define ex_buffer ex_ni
93 # define ex_bmodified ex_ni
94 # define ex_bnext ex_ni
95 # define ex_bprevious ex_ni
96 # define ex_brewind ex_ni
97 # define ex_blast ex_ni
98 # define buflist_list ex_ni
99 # define ex_checktime ex_ni
100 #endif
101 #if !defined(FEAT_LISTCMDS) || !defined(FEAT_WINDOWS)
102 # define ex_buffer_all ex_ni
103 #endif
104 static char_u *getargcmd __ARGS((char_u **));
105 static char_u *skip_cmd_arg __ARGS((char_u *p, int rembs));
106 static int getargopt __ARGS((exarg_T *eap));
107 #ifndef FEAT_QUICKFIX
108 # define ex_make ex_ni
109 # define ex_cbuffer ex_ni
110 # define ex_cc ex_ni
111 # define ex_cnext ex_ni
112 # define ex_cfile ex_ni
113 # define qf_list ex_ni
114 # define qf_age ex_ni
115 # define ex_helpgrep ex_ni
116 # define ex_vimgrep ex_ni
117 #endif
118 #if !defined(FEAT_QUICKFIX) || !defined(FEAT_WINDOWS)
119 # define ex_cclose ex_ni
120 # define ex_copen ex_ni
121 # define ex_cwindow ex_ni
122 #endif
123 #if !defined(FEAT_QUICKFIX) || !defined(FEAT_EVAL)
124 # define ex_cexpr ex_ni
125 #endif
126
127 static int check_more __ARGS((int, int));
128 static linenr_T get_address __ARGS((char_u **, int skip, int to_other_file));
129 static void get_flags __ARGS((exarg_T *eap));
130 #if !defined(FEAT_PERL) || !defined(FEAT_PYTHON) || !defined(FEAT_TCL) \
131 || !defined(FEAT_RUBY) || !defined(FEAT_MZSCHEME)
132 # define HAVE_EX_SCRIPT_NI
133 static void ex_script_ni __ARGS((exarg_T *eap));
134 #endif
135 static char_u *invalid_range __ARGS((exarg_T *eap));
136 static void correct_range __ARGS((exarg_T *eap));
137 #ifdef FEAT_QUICKFIX
138 static char_u *replace_makeprg __ARGS((exarg_T *eap, char_u *p, char_u **cmdlinep));
139 #endif
140 static char_u *repl_cmdline __ARGS((exarg_T *eap, char_u *src, int srclen, char_u *repl, char_u **cmdlinep));
141 static void ex_highlight __ARGS((exarg_T *eap));
142 static void ex_colorscheme __ARGS((exarg_T *eap));
143 static void ex_quit __ARGS((exarg_T *eap));
144 static void ex_cquit __ARGS((exarg_T *eap));
145 static void ex_quit_all __ARGS((exarg_T *eap));
146 #ifdef FEAT_WINDOWS
147 static void ex_close __ARGS((exarg_T *eap));
148 static void ex_win_close __ARGS((int forceit, win_T *win, tabpage_T *tp));
149 static void ex_only __ARGS((exarg_T *eap));
150 static void ex_resize __ARGS((exarg_T *eap));
151 static void ex_stag __ARGS((exarg_T *eap));
152 static void ex_tabclose __ARGS((exarg_T *eap));
153 static void ex_tabonly __ARGS((exarg_T *eap));
154 static void ex_tabnext __ARGS((exarg_T *eap));
155 static void ex_tabmove __ARGS((exarg_T *eap));
156 static void ex_tabs __ARGS((exarg_T *eap));
157 #else
158 # define ex_close ex_ni
159 # define ex_only ex_ni
160 # define ex_all ex_ni
161 # define ex_resize ex_ni
162 # define ex_splitview ex_ni
163 # define ex_stag ex_ni
164 # define ex_tabnext ex_ni
165 # define ex_tabmove ex_ni
166 # define ex_tabs ex_ni
167 # define ex_tabclose ex_ni
168 # define ex_tabonly ex_ni
169 #endif
170 #if defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX)
171 static void ex_pclose __ARGS((exarg_T *eap));
172 static void ex_ptag __ARGS((exarg_T *eap));
173 static void ex_pedit __ARGS((exarg_T *eap));
174 #else
175 # define ex_pclose ex_ni
176 # define ex_ptag ex_ni
177 # define ex_pedit ex_ni
178 #endif
179 static void ex_hide __ARGS((exarg_T *eap));
180 static void ex_stop __ARGS((exarg_T *eap));
181 static void ex_exit __ARGS((exarg_T *eap));
182 static void ex_print __ARGS((exarg_T *eap));
183 #ifdef FEAT_BYTEOFF
184 static void ex_goto __ARGS((exarg_T *eap));
185 #else
186 # define ex_goto ex_ni
187 #endif
188 static void ex_shell __ARGS((exarg_T *eap));
189 static void ex_preserve __ARGS((exarg_T *eap));
190 static void ex_recover __ARGS((exarg_T *eap));
191 #ifndef FEAT_LISTCMDS
192 # define ex_argedit ex_ni
193 # define ex_argadd ex_ni
194 # define ex_argdelete ex_ni
195 # define ex_listdo ex_ni
196 #endif
197 static void ex_mode __ARGS((exarg_T *eap));
198 static void ex_wrongmodifier __ARGS((exarg_T *eap));
199 static void ex_find __ARGS((exarg_T *eap));
200 static void ex_open __ARGS((exarg_T *eap));
201 static void ex_edit __ARGS((exarg_T *eap));
202 #if !defined(FEAT_GUI) && !defined(FEAT_CLIENTSERVER)
203 # define ex_drop ex_ni
204 #endif
205 #ifndef FEAT_GUI
206 # define ex_gui ex_nogui
207 static void ex_nogui __ARGS((exarg_T *eap));
208 #endif
209 #if defined(FEAT_GUI_W32) && defined(FEAT_MENU) && defined(FEAT_TEAROFF)
210 static void ex_tearoff __ARGS((exarg_T *eap));
211 #else
212 # define ex_tearoff ex_ni
213 #endif
214 #if defined(FEAT_MENU) && (defined(FEAT_GUI_MSWIN) || defined(FEAT_GUI_GTK) \
215 || defined(FEAT_GUI_MACVIM))
216 static void ex_popup __ARGS((exarg_T *eap));
217 #else
218 # define ex_popup ex_ni
219 #endif
220 #ifndef FEAT_GUI_MSWIN
221 # define ex_simalt ex_ni
222 #endif
223 #if !(defined(FEAT_GUI_MSWIN) || defined(FEAT_GUI_GTK) || \
224 defined(FEAT_GUI_MOTIF) || defined(FEAT_GUI_MACVIM))
225 # define gui_mch_find_dialog ex_ni
226 # define gui_mch_replace_dialog ex_ni
227 #endif
228 #if !defined(FEAT_GUI_GTK)
229 # define ex_helpfind ex_ni
230 #endif
231 #ifndef FEAT_CSCOPE
232 # define do_cscope ex_ni
233 # define do_scscope ex_ni
234 # define do_cstag ex_ni
235 #endif
236 #ifndef FEAT_SYN_HL
237 # define ex_syntax ex_ni
238 #endif
239 #ifndef FEAT_SPELL
240 # define ex_spell ex_ni
241 # define ex_mkspell ex_ni
242 # define ex_spelldump ex_ni
243 # define ex_spellinfo ex_ni
244 # define ex_spellrepall ex_ni
245 #endif
246 #ifndef FEAT_MZSCHEME
247 # define ex_mzscheme ex_script_ni
248 # define ex_mzfile ex_ni
249 #endif
250 #ifndef FEAT_PERL
251 # define ex_perl ex_script_ni
252 # define ex_perldo ex_ni
253 #endif
254 #ifndef FEAT_PYTHON
255 # define ex_python ex_script_ni
256 # define ex_pyfile ex_ni
257 #endif
258 #ifndef FEAT_TCL
259 # define ex_tcl ex_script_ni
260 # define ex_tcldo ex_ni
261 # define ex_tclfile ex_ni
262 #endif
263 #ifndef FEAT_RUBY
264 # define ex_ruby ex_script_ni
265 # define ex_rubydo ex_ni
266 # define ex_rubyfile ex_ni
267 #endif
268 #ifndef FEAT_SNIFF
269 # define ex_sniff ex_ni
270 #endif
271 #ifndef FEAT_KEYMAP
272 # define ex_loadkeymap ex_ni
273 #endif
274 static void ex_swapname __ARGS((exarg_T *eap));
275 static void ex_syncbind __ARGS((exarg_T *eap));
276 static void ex_read __ARGS((exarg_T *eap));
277 static void ex_pwd __ARGS((exarg_T *eap));
278 static void ex_equal __ARGS((exarg_T *eap));
279 static void ex_sleep __ARGS((exarg_T *eap));
280 static void do_exmap __ARGS((exarg_T *eap, int isabbrev));
281 static void ex_winsize __ARGS((exarg_T *eap));
282 #ifdef FEAT_WINDOWS
283 static void ex_wincmd __ARGS((exarg_T *eap));
284 #else
285 # define ex_wincmd ex_ni
286 #endif
287 #if defined(FEAT_GUI) || defined(UNIX) || defined(VMS) || defined(MSWIN)
288 static void ex_winpos __ARGS((exarg_T *eap));
289 #else
290 # define ex_winpos ex_ni
291 #endif
292 static void ex_operators __ARGS((exarg_T *eap));
293 static void ex_put __ARGS((exarg_T *eap));
294 static void ex_copymove __ARGS((exarg_T *eap));
295 static void ex_may_print __ARGS((exarg_T *eap));
296 static void ex_submagic __ARGS((exarg_T *eap));
297 static void ex_join __ARGS((exarg_T *eap));
298 static void ex_at __ARGS((exarg_T *eap));
299 static void ex_bang __ARGS((exarg_T *eap));
300 static void ex_undo __ARGS((exarg_T *eap));
301 static void ex_redo __ARGS((exarg_T *eap));
302 static void ex_later __ARGS((exarg_T *eap));
303 static void ex_redir __ARGS((exarg_T *eap));
304 static void ex_redraw __ARGS((exarg_T *eap));
305 static void ex_redrawstatus __ARGS((exarg_T *eap));
306 static void close_redir __ARGS((void));
307 static void ex_mkrc __ARGS((exarg_T *eap));
308 static void ex_mark __ARGS((exarg_T *eap));
309 #ifdef FEAT_USR_CMDS
310 static char_u *uc_fun_cmd __ARGS((void));
311 static char_u *find_ucmd __ARGS((exarg_T *eap, char_u *p, int *full, expand_T *xp, int *compl));
312 #endif
313 #ifdef FEAT_EX_EXTRA
314 static void ex_normal __ARGS((exarg_T *eap));
315 static void ex_startinsert __ARGS((exarg_T *eap));
316 static void ex_stopinsert __ARGS((exarg_T *eap));
317 #else
318 # define ex_normal ex_ni
319 # define ex_align ex_ni
320 # define ex_retab ex_ni
321 # define ex_startinsert ex_ni
322 # define ex_stopinsert ex_ni
323 # define ex_helptags ex_ni
324 # define ex_sort ex_ni
325 #endif
326 #ifdef FEAT_FIND_ID
327 static void ex_checkpath __ARGS((exarg_T *eap));
328 static void ex_findpat __ARGS((exarg_T *eap));
329 #else
330 # define ex_findpat ex_ni
331 # define ex_checkpath ex_ni
332 #endif
333 #if defined(FEAT_FIND_ID) && defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX)
334 static void ex_psearch __ARGS((exarg_T *eap));
335 #else
336 # define ex_psearch ex_ni
337 #endif
338 static void ex_tag __ARGS((exarg_T *eap));
339 static void ex_tag_cmd __ARGS((exarg_T *eap, char_u *name));
340 #ifndef FEAT_EVAL
341 # define ex_scriptnames ex_ni
342 # define ex_finish ex_ni
343 # define ex_echo ex_ni
344 # define ex_echohl ex_ni
345 # define ex_execute ex_ni
346 # define ex_call ex_ni
347 # define ex_if ex_ni
348 # define ex_endif ex_ni
349 # define ex_else ex_ni
350 # define ex_while ex_ni
351 # define ex_for ex_ni
352 # define ex_continue ex_ni
353 # define ex_break ex_ni
354 # define ex_endwhile ex_ni
355 # define ex_endfor ex_ni
356 # define ex_throw ex_ni
357 # define ex_try ex_ni
358 # define ex_catch ex_ni
359 # define ex_finally ex_ni
360 # define ex_endtry ex_ni
361 # define ex_endfunction ex_ni
362 # define ex_let ex_ni
363 # define ex_unlet ex_ni
364 # define ex_lockvar ex_ni
365 # define ex_unlockvar ex_ni
366 # define ex_function ex_ni
367 # define ex_delfunction ex_ni
368 # define ex_return ex_ni
369 # define ex_oldfiles ex_ni
370 #endif
371 static char_u *arg_all __ARGS((void));
372 #ifdef FEAT_SESSION
373 static int makeopens __ARGS((FILE *fd, char_u *dirnow));
374 static int put_view __ARGS((FILE *fd, win_T *wp, int add_edit, unsigned *flagp, int current_arg_idx));
375 static void ex_loadview __ARGS((exarg_T *eap));
376 static char_u *get_view_file __ARGS((int c));
377 static int did_lcd; /* whether ":lcd" was produced for a session */
378 #else
379 # define ex_loadview ex_ni
380 #endif
381 #ifndef FEAT_EVAL
382 # define ex_compiler ex_ni
383 #endif
384 #ifdef FEAT_VIMINFO
385 static void ex_viminfo __ARGS((exarg_T *eap));
386 #else
387 # define ex_viminfo ex_ni
388 #endif
389 static void ex_behave __ARGS((exarg_T *eap));
390 #ifdef FEAT_AUTOCMD
391 static void ex_filetype __ARGS((exarg_T *eap));
392 static void ex_setfiletype __ARGS((exarg_T *eap));
393 #else
394 # define ex_filetype ex_ni
395 # define ex_setfiletype ex_ni
396 #endif
397 #ifndef FEAT_DIFF
398 # define ex_diffoff ex_ni
399 # define ex_diffpatch ex_ni
400 # define ex_diffgetput ex_ni
401 # define ex_diffsplit ex_ni
402 # define ex_diffthis ex_ni
403 # define ex_diffupdate ex_ni
404 #endif
405 static void ex_digraphs __ARGS((exarg_T *eap));
406 static void ex_set __ARGS((exarg_T *eap));
407 #if !defined(FEAT_EVAL) || !defined(FEAT_AUTOCMD)
408 # define ex_options ex_ni
409 #endif
410 #ifdef FEAT_SEARCH_EXTRA
411 static void ex_nohlsearch __ARGS((exarg_T *eap));
412 static void ex_match __ARGS((exarg_T *eap));
413 #else
414 # define ex_nohlsearch ex_ni
415 # define ex_match ex_ni
416 #endif
417 #ifdef FEAT_CRYPT
418 static void ex_X __ARGS((exarg_T *eap));
419 #else
420 # define ex_X ex_ni
421 #endif
422 #ifdef FEAT_FOLDING
423 static void ex_fold __ARGS((exarg_T *eap));
424 static void ex_foldopen __ARGS((exarg_T *eap));
425 static void ex_folddo __ARGS((exarg_T *eap));
426 #else
427 # define ex_fold ex_ni
428 # define ex_foldopen ex_ni
429 # define ex_folddo ex_ni
430 #endif
431 #if !((defined(HAVE_LOCALE_H) || defined(X_LOCALE)) \
432 && (defined(FEAT_GETTEXT) || defined(FEAT_MBYTE)))
433 # define ex_language ex_ni
434 #endif
435 #ifndef FEAT_SIGNS
436 # define ex_sign ex_ni
437 #endif
438 #ifndef FEAT_SUN_WORKSHOP
439 # define ex_wsverb ex_ni
440 #endif
441 #ifndef FEAT_NETBEANS_INTG
442 # define ex_nbkey ex_ni
443 #endif
444
445 #ifndef FEAT_EVAL
446 # define ex_debug ex_ni
447 # define ex_breakadd ex_ni
448 # define ex_debuggreedy ex_ni
449 # define ex_breakdel ex_ni
450 # define ex_breaklist ex_ni
451 #endif
452
453 #ifndef FEAT_CMDHIST
454 # define ex_history ex_ni
455 #endif
456 #ifndef FEAT_JUMPLIST
457 # define ex_jumps ex_ni
458 # define ex_changes ex_ni
459 #endif
460
461 #ifndef FEAT_PROFILE
462 # define ex_profile ex_ni
463 #endif
464
465 #ifndef FEAT_GUI_MACVIM
466 # define ex_macaction ex_ni
467 # define ex_macmenu ex_ni
468 #endif
469
470 /*
471 * Declare cmdnames[].
472 */
473 #define DO_DECLARE_EXCMD
474 #include "ex_cmds.h"
475
476 /*
477 * Table used to quickly search for a command, based on its first character.
478 */
479 static cmdidx_T cmdidxs[27] =
480 {
481 CMD_append,
482 CMD_buffer,
483 CMD_change,
484 CMD_delete,
485 CMD_edit,
486 CMD_file,
487 CMD_global,
488 CMD_help,
489 CMD_insert,
490 CMD_join,
491 CMD_k,
492 CMD_list,
493 CMD_move,
494 CMD_next,
495 CMD_open,
496 CMD_print,
497 CMD_quit,
498 CMD_read,
499 CMD_substitute,
500 CMD_t,
501 CMD_undo,
502 CMD_vglobal,
503 CMD_write,
504 CMD_xit,
505 CMD_yank,
506 CMD_z,
507 CMD_bang
508 };
509
510 static char_u dollar_command[2] = {'$', 0};
511
512
513 #ifdef FEAT_EVAL
514 /* Struct for storing a line inside a while/for loop */
515 typedef struct
516 {
517 char_u *line; /* command line */
518 linenr_T lnum; /* sourcing_lnum of the line */
519 } wcmd_T;
520
521 /*
522 * Structure used to store info for line position in a while or for loop.
523 * This is required, because do_one_cmd() may invoke ex_function(), which
524 * reads more lines that may come from the while/for loop.
525 */
526 struct loop_cookie
527 {
528 garray_T *lines_gap; /* growarray with line info */
529 int current_line; /* last read line from growarray */
530 int repeating; /* TRUE when looping a second time */
531 /* When "repeating" is FALSE use "getline" and "cookie" to get lines */
532 char_u *(*getline) __ARGS((int, void *, int));
533 void *cookie;
534 };
535
536 static char_u *get_loop_line __ARGS((int c, void *cookie, int indent));
537 static int store_loop_line __ARGS((garray_T *gap, char_u *line));
538 static void free_cmdlines __ARGS((garray_T *gap));
539
540 /* Struct to save a few things while debugging. Used in do_cmdline() only. */
541 struct dbg_stuff
542 {
543 int trylevel;
544 int force_abort;
545 except_T *caught_stack;
546 char_u *vv_exception;
547 char_u *vv_throwpoint;
548 int did_emsg;
549 int got_int;
550 int did_throw;
551 int need_rethrow;
552 int check_cstack;
553 except_T *current_exception;
554 };
555
556 static void save_dbg_stuff __ARGS((struct dbg_stuff *dsp));
557 static void restore_dbg_stuff __ARGS((struct dbg_stuff *dsp));
558
559 static void
560 save_dbg_stuff(dsp)
561 struct dbg_stuff *dsp;
562 {
563 dsp->trylevel = trylevel; trylevel = 0;
564 dsp->force_abort = force_abort; force_abort = FALSE;
565 dsp->caught_stack = caught_stack; caught_stack = NULL;
566 dsp->vv_exception = v_exception(NULL);
567 dsp->vv_throwpoint = v_throwpoint(NULL);
568
569 /* Necessary for debugging an inactive ":catch", ":finally", ":endtry" */
570 dsp->did_emsg = did_emsg; did_emsg = FALSE;
571 dsp->got_int = got_int; got_int = FALSE;
572 dsp->did_throw = did_throw; did_throw = FALSE;
573 dsp->need_rethrow = need_rethrow; need_rethrow = FALSE;
574 dsp->check_cstack = check_cstack; check_cstack = FALSE;
575 dsp->current_exception = current_exception; current_exception = NULL;
576 }
577
578 static void
579 restore_dbg_stuff(dsp)
580 struct dbg_stuff *dsp;
581 {
582 suppress_errthrow = FALSE;
583 trylevel = dsp->trylevel;
584 force_abort = dsp->force_abort;
585 caught_stack = dsp->caught_stack;
586 (void)v_exception(dsp->vv_exception);
587 (void)v_throwpoint(dsp->vv_throwpoint);
588 did_emsg = dsp->did_emsg;
589 got_int = dsp->got_int;
590 did_throw = dsp->did_throw;
591 need_rethrow = dsp->need_rethrow;
592 check_cstack = dsp->check_cstack;
593 current_exception = dsp->current_exception;
594 }
595 #endif
596
597
598 /*
599 * do_exmode(): Repeatedly get commands for the "Ex" mode, until the ":vi"
600 * command is given.
601 */
602 void
603 do_exmode(improved)
604 int improved; /* TRUE for "improved Ex" mode */
605 {
606 int save_msg_scroll;
607 int prev_msg_row;
608 linenr_T prev_line;
609 int changedtick;
610
611 if (improved)
612 exmode_active = EXMODE_VIM;
613 else
614 exmode_active = EXMODE_NORMAL;
615 State = NORMAL;
616
617 /* When using ":global /pat/ visual" and then "Q" we return to continue
618 * the :global command. */
619 if (global_busy)
620 return;
621
622 save_msg_scroll = msg_scroll;
623 ++RedrawingDisabled; /* don't redisplay the window */
624 ++no_wait_return; /* don't wait for return */
625 #ifdef FEAT_GUI
626 /* Ignore scrollbar and mouse events in Ex mode */
627 ++hold_gui_events;
628 #endif
629 #ifdef FEAT_SNIFF
630 want_sniff_request = 0; /* No K_SNIFF wanted */
631 #endif
632
633 MSG(_("Entering Ex mode. Type \"visual\" to go to Normal mode."));
634 while (exmode_active)
635 {
636 #ifdef FEAT_EX_EXTRA
637 /* Check for a ":normal" command and no more characters left. */
638 if (ex_normal_busy > 0 && typebuf.tb_len == 0)
639 {
640 exmode_active = FALSE;
641 break;
642 }
643 #endif
644 msg_scroll = TRUE;
645 need_wait_return = FALSE;
646 ex_pressedreturn = FALSE;
647 ex_no_reprint = FALSE;
648 changedtick = curbuf->b_changedtick;
649 prev_msg_row = msg_row;
650 prev_line = curwin->w_cursor.lnum;
651 #ifdef FEAT_SNIFF
652 ProcessSniffRequests();
653 #endif
654 if (improved)
655 {
656 cmdline_row = msg_row;
657 do_cmdline(NULL, getexline, NULL, 0);
658 }
659 else
660 do_cmdline(NULL, getexmodeline, NULL, DOCMD_NOWAIT);
661 lines_left = Rows - 1;
662
663 if ((prev_line != curwin->w_cursor.lnum
664 || changedtick != curbuf->b_changedtick) && !ex_no_reprint)
665 {
666 if (curbuf->b_ml.ml_flags & ML_EMPTY)
667 EMSG(_(e_emptybuf));
668 else
669 {
670 if (ex_pressedreturn)
671 {
672 /* go up one line, to overwrite the ":<CR>" line, so the
673 * output doesn't contain empty lines. */
674 msg_row = prev_msg_row;
675 if (prev_msg_row == Rows - 1)
676 msg_row--;
677 }
678 msg_col = 0;
679 print_line_no_prefix(curwin->w_cursor.lnum, FALSE, FALSE);
680 msg_clr_eos();
681 }
682 }
683 else if (ex_pressedreturn && !ex_no_reprint) /* must be at EOF */
684 {
685 if (curbuf->b_ml.ml_flags & ML_EMPTY)
686 EMSG(_(e_emptybuf));
687 else
688 EMSG(_("E501: At end-of-file"));
689 }
690 }
691
692 #ifdef FEAT_GUI
693 --hold_gui_events;
694 #endif
695 --RedrawingDisabled;
696 --no_wait_return;
697 update_screen(CLEAR);
698 need_wait_return = FALSE;
699 msg_scroll = save_msg_scroll;
700 }
701
702 /*
703 * Execute a simple command line. Used for translated commands like "*".
704 */
705 int
706 do_cmdline_cmd(cmd)
707 char_u *cmd;
708 {
709 return do_cmdline(cmd, NULL, NULL,
710 DOCMD_VERBOSE|DOCMD_NOWAIT|DOCMD_KEYTYPED);
711 }
712
713 /*
714 * do_cmdline(): execute one Ex command line
715 *
716 * 1. Execute "cmdline" when it is not NULL.
717 * If "cmdline" is NULL, or more lines are needed, getline() is used.
718 * 2. Split up in parts separated with '|'.
719 *
720 * This function can be called recursively!
721 *
722 * flags:
723 * DOCMD_VERBOSE - The command will be included in the error message.
724 * DOCMD_NOWAIT - Don't call wait_return() and friends.
725 * DOCMD_REPEAT - Repeat execution until getline() returns NULL.
726 * DOCMD_KEYTYPED - Don't reset KeyTyped.
727 * DOCMD_EXCRESET - Reset the exception environment (used for debugging).
728 * DOCMD_KEEPLINE - Store first typed line (for repeating with ".").
729 *
730 * return FAIL if cmdline could not be executed, OK otherwise
731 */
732 int
733 do_cmdline(cmdline, getline, cookie, flags)
734 char_u *cmdline;
735 char_u *(*getline) __ARGS((int, void *, int));
736 void *cookie; /* argument for getline() */
737 int flags;
738 {
739 char_u *next_cmdline; /* next cmd to execute */
740 char_u *cmdline_copy = NULL; /* copy of cmd line */
741 int used_getline = FALSE; /* used "getline" to obtain command */
742 static int recursive = 0; /* recursive depth */
743 int msg_didout_before_start = 0;
744 int count = 0; /* line number count */
745 int did_inc = FALSE; /* incremented RedrawingDisabled */
746 int retval = OK;
747 #ifdef FEAT_EVAL
748 struct condstack cstack; /* conditional stack */
749 garray_T lines_ga; /* keep lines for ":while"/":for" */
750 int current_line = 0; /* active line in lines_ga */
751 char_u *fname = NULL; /* function or script name */
752 linenr_T *breakpoint = NULL; /* ptr to breakpoint field in cookie */
753 int *dbg_tick = NULL; /* ptr to dbg_tick field in cookie */
754 struct dbg_stuff debug_saved; /* saved things for debug mode */
755 int initial_trylevel;
756 struct msglist **saved_msg_list = NULL;
757 struct msglist *private_msg_list;
758
759 /* "getline" and "cookie" passed to do_one_cmd() */
760 char_u *(*cmd_getline) __ARGS((int, void *, int));
761 void *cmd_cookie;
762 struct loop_cookie cmd_loop_cookie;
763 void *real_cookie;
764 int getline_is_func;
765 #else
766 # define cmd_getline getline
767 # define cmd_cookie cookie
768 #endif
769 static int call_depth = 0; /* recursiveness */
770
771 #ifdef FEAT_EVAL
772 /* For every pair of do_cmdline()/do_one_cmd() calls, use an extra memory
773 * location for storing error messages to be converted to an exception.
774 * This ensures that the do_errthrow() call in do_one_cmd() does not
775 * combine the messages stored by an earlier invocation of do_one_cmd()
776 * with the command name of the later one. This would happen when
777 * BufWritePost autocommands are executed after a write error. */
778 saved_msg_list = msg_list;
779 msg_list = &private_msg_list;
780 private_msg_list = NULL;
781 #endif
782
783 /* It's possible to create an endless loop with ":execute", catch that
784 * here. The value of 200 allows nested function calls, ":source", etc. */
785 if (call_depth == 200)
786 {
787 EMSG(_("E169: Command too recursive"));
788 #ifdef FEAT_EVAL
789 /* When converting to an exception, we do not include the command name
790 * since this is not an error of the specific command. */
791 do_errthrow((struct condstack *)NULL, (char_u *)NULL);
792 msg_list = saved_msg_list;
793 #endif
794 return FAIL;
795 }
796 ++call_depth;
797
798 #ifdef FEAT_EVAL
799 cstack.cs_idx = -1;
800 cstack.cs_looplevel = 0;
801 cstack.cs_trylevel = 0;
802 cstack.cs_emsg_silent_list = NULL;
803 cstack.cs_lflags = 0;
804 ga_init2(&lines_ga, (int)sizeof(wcmd_T), 10);
805
806 real_cookie = getline_cookie(getline, cookie);
807
808 /* Inside a function use a higher nesting level. */
809 getline_is_func = getline_equal(getline, cookie, get_func_line);
810 if (getline_is_func && ex_nesting_level == func_level(real_cookie))
811 ++ex_nesting_level;
812
813 /* Get the function or script name and the address where the next breakpoint
814 * line and the debug tick for a function or script are stored. */
815 if (getline_is_func)
816 {
817 fname = func_name(real_cookie);
818 breakpoint = func_breakpoint(real_cookie);
819 dbg_tick = func_dbg_tick(real_cookie);
820 }
821 else if (getline_equal(getline, cookie, getsourceline))
822 {
823 fname = sourcing_name;
824 breakpoint = source_breakpoint(real_cookie);
825 dbg_tick = source_dbg_tick(real_cookie);
826 }
827
828 /*
829 * Initialize "force_abort" and "suppress_errthrow" at the top level.
830 */
831 if (!recursive)
832 {
833 force_abort = FALSE;
834 suppress_errthrow = FALSE;
835 }
836
837 /*
838 * If requested, store and reset the global values controlling the
839 * exception handling (used when debugging). Otherwise clear it to avoid
840 * a bogus compiler warning when the optimizer uses inline functions...
841 */
842 if (flags & DOCMD_EXCRESET)
843 save_dbg_stuff(&debug_saved);
844 else
845 memset(&debug_saved, 0, 1);
846
847 initial_trylevel = trylevel;
848
849 /*
850 * "did_throw" will be set to TRUE when an exception is being thrown.
851 */
852 did_throw = FALSE;
853 #endif
854 /*
855 * "did_emsg" will be set to TRUE when emsg() is used, in which case we
856 * cancel the whole command line, and any if/endif or loop.
857 * If force_abort is set, we cancel everything.
858 */
859 did_emsg = FALSE;
860
861 /*
862 * KeyTyped is only set when calling vgetc(). Reset it here when not
863 * calling vgetc() (sourced command lines).
864 */
865 if (!(flags & DOCMD_KEYTYPED) && !getline_equal(getline, cookie, getexline))
866 KeyTyped = FALSE;
867
868 /*
869 * Continue executing command lines:
870 * - when inside an ":if", ":while" or ":for"
871 * - for multiple commands on one line, separated with '|'
872 * - when repeating until there are no more lines (for ":source")
873 */
874 next_cmdline = cmdline;
875 do
876 {
877 #ifdef FEAT_EVAL
878 getline_is_func = getline_equal(getline, cookie, get_func_line);
879 #endif
880
881 /* stop skipping cmds for an error msg after all endif/while/for */
882 if (next_cmdline == NULL
883 #ifdef FEAT_EVAL
884 && !force_abort
885 && cstack.cs_idx < 0
886 && !(getline_is_func && func_has_abort(real_cookie))
887 #endif
888 )
889 did_emsg = FALSE;
890
891 /*
892 * 1. If repeating a line in a loop, get a line from lines_ga.
893 * 2. If no line given: Get an allocated line with getline().
894 * 3. If a line is given: Make a copy, so we can mess with it.
895 */
896
897 #ifdef FEAT_EVAL
898 /* 1. If repeating, get a previous line from lines_ga. */
899 if (cstack.cs_looplevel > 0 && current_line < lines_ga.ga_len)
900 {
901 /* Each '|' separated command is stored separately in lines_ga, to
902 * be able to jump to it. Don't use next_cmdline now. */
903 vim_free(cmdline_copy);
904 cmdline_copy = NULL;
905
906 /* Check if a function has returned or, unless it has an unclosed
907 * try conditional, aborted. */
908 if (getline_is_func)
909 {
910 # ifdef FEAT_PROFILE
911 if (do_profiling == PROF_YES)
912 func_line_end(real_cookie);
913 # endif
914 if (func_has_ended(real_cookie))
915 {
916 retval = FAIL;
917 break;
918 }
919 }
920 #ifdef FEAT_PROFILE
921 else if (do_profiling == PROF_YES
922 && getline_equal(getline, cookie, getsourceline))
923 script_line_end();
924 #endif
925
926 /* Check if a sourced file hit a ":finish" command. */
927 if (source_finished(getline, cookie))
928 {
929 retval = FAIL;
930 break;
931 }
932
933 /* If breakpoints have been added/deleted need to check for it. */
934 if (breakpoint != NULL && dbg_tick != NULL
935 && *dbg_tick != debug_tick)
936 {
937 *breakpoint = dbg_find_breakpoint(
938 getline_equal(getline, cookie, getsourceline),
939 fname, sourcing_lnum);
940 *dbg_tick = debug_tick;
941 }
942
943 next_cmdline = ((wcmd_T *)(lines_ga.ga_data))[current_line].line;
944 sourcing_lnum = ((wcmd_T *)(lines_ga.ga_data))[current_line].lnum;
945
946 /* Did we encounter a breakpoint? */
947 if (breakpoint != NULL && *breakpoint != 0
948 && *breakpoint <= sourcing_lnum)
949 {
950 dbg_breakpoint(fname, sourcing_lnum);
951 /* Find next breakpoint. */
952 *breakpoint = dbg_find_breakpoint(
953 getline_equal(getline, cookie, getsourceline),
954 fname, sourcing_lnum);
955 *dbg_tick = debug_tick;
956 }
957 # ifdef FEAT_PROFILE
958 if (do_profiling == PROF_YES)
959 {
960 if (getline_is_func)
961 func_line_start(real_cookie);
962 else if (getline_equal(getline, cookie, getsourceline))
963 script_line_start();
964 }
965 # endif
966 }
967
968 if (cstack.cs_looplevel > 0)
969 {
970 /* Inside a while/for loop we need to store the lines and use them
971 * again. Pass a different "getline" function to do_one_cmd()
972 * below, so that it stores lines in or reads them from
973 * "lines_ga". Makes it possible to define a function inside a
974 * while/for loop. */
975 cmd_getline = get_loop_line;
976 cmd_cookie = (void *)&cmd_loop_cookie;
977 cmd_loop_cookie.lines_gap = &lines_ga;
978 cmd_loop_cookie.current_line = current_line;
979 cmd_loop_cookie.getline = getline;
980 cmd_loop_cookie.cookie = cookie;
981 cmd_loop_cookie.repeating = (current_line < lines_ga.ga_len);
982 }
983 else
984 {
985 cmd_getline = getline;
986 cmd_cookie = cookie;
987 }
988 #endif
989
990 /* 2. If no line given, get an allocated line with getline(). */
991 if (next_cmdline == NULL)
992 {
993 /*
994 * Need to set msg_didout for the first line after an ":if",
995 * otherwise the ":if" will be overwritten.
996 */
997 if (count == 1 && getline_equal(getline, cookie, getexline))
998 msg_didout = TRUE;
999 if (getline == NULL || (next_cmdline = getline(':', cookie,
1000 #ifdef FEAT_EVAL
1001 cstack.cs_idx < 0 ? 0 : (cstack.cs_idx + 1) * 2
1002 #else
1003 0
1004 #endif
1005 )) == NULL)
1006 {
1007 /* Don't call wait_return for aborted command line. The NULL
1008 * returned for the end of a sourced file or executed function
1009 * doesn't do this. */
1010 if (KeyTyped && !(flags & DOCMD_REPEAT))
1011 need_wait_return = FALSE;
1012 retval = FAIL;
1013 break;
1014 }
1015 used_getline = TRUE;
1016
1017 /*
1018 * Keep the first typed line. Clear it when more lines are typed.
1019 */
1020 if (flags & DOCMD_KEEPLINE)
1021 {
1022 vim_free(repeat_cmdline);
1023 if (count == 0)
1024 repeat_cmdline = vim_strsave(next_cmdline);
1025 else
1026 repeat_cmdline = NULL;
1027 }
1028 }
1029
1030 /* 3. Make a copy of the command so we can mess with it. */
1031 else if (cmdline_copy == NULL)
1032 {
1033 next_cmdline = vim_strsave(next_cmdline);
1034 if (next_cmdline == NULL)
1035 {
1036 EMSG(_(e_outofmem));
1037 retval = FAIL;
1038 break;
1039 }
1040 }
1041 cmdline_copy = next_cmdline;
1042
1043 #ifdef FEAT_EVAL
1044 /*
1045 * Save the current line when inside a ":while" or ":for", and when
1046 * the command looks like a ":while" or ":for", because we may need it
1047 * later. When there is a '|' and another command, it is stored
1048 * separately, because we need to be able to jump back to it from an
1049 * :endwhile/:endfor.
1050 */
1051 if (current_line == lines_ga.ga_len
1052 && (cstack.cs_looplevel || has_loop_cmd(next_cmdline)))
1053 {
1054 if (store_loop_line(&lines_ga, next_cmdline) == FAIL)
1055 {
1056 retval = FAIL;
1057 break;
1058 }
1059 }
1060 did_endif = FALSE;
1061 #endif
1062
1063 if (count++ == 0)
1064 {
1065 /*
1066 * All output from the commands is put below each other, without
1067 * waiting for a return. Don't do this when executing commands
1068 * from a script or when being called recursive (e.g. for ":e
1069 * +command file").
1070 */
1071 if (!(flags & DOCMD_NOWAIT) && !recursive)
1072 {
1073 msg_didout_before_start = msg_didout;
1074 msg_didany = FALSE; /* no output yet */
1075 msg_start();
1076 msg_scroll = TRUE; /* put messages below each other */
1077 ++no_wait_return; /* dont wait for return until finished */
1078 ++RedrawingDisabled;
1079 did_inc = TRUE;
1080 }
1081 }
1082
1083 if (p_verbose >= 15 && sourcing_name != NULL)
1084 {
1085 ++no_wait_return;
1086 verbose_enter_scroll();
1087
1088 smsg((char_u *)_("line %ld: %s"),
1089 (long)sourcing_lnum, cmdline_copy);
1090 if (msg_silent == 0)
1091 msg_puts((char_u *)"\n"); /* don't overwrite this */
1092
1093 verbose_leave_scroll();
1094 --no_wait_return;
1095 }
1096
1097 /*
1098 * 2. Execute one '|' separated command.
1099 * do_one_cmd() will return NULL if there is no trailing '|'.
1100 * "cmdline_copy" can change, e.g. for '%' and '#' expansion.
1101 */
1102 ++recursive;
1103 next_cmdline = do_one_cmd(&cmdline_copy, flags & DOCMD_VERBOSE,
1104 #ifdef FEAT_EVAL
1105 &cstack,
1106 #endif
1107 cmd_getline, cmd_cookie);
1108 --recursive;
1109
1110 #ifdef FEAT_EVAL
1111 if (cmd_cookie == (void *)&cmd_loop_cookie)
1112 /* Use "current_line" from "cmd_loop_cookie", it may have been
1113 * incremented when defining a function. */
1114 current_line = cmd_loop_cookie.current_line;
1115 #endif
1116
1117 if (next_cmdline == NULL)
1118 {
1119 vim_free(cmdline_copy);
1120 cmdline_copy = NULL;
1121 #ifdef FEAT_CMDHIST
1122 /*
1123 * If the command was typed, remember it for the ':' register.
1124 * Do this AFTER executing the command to make :@: work.
1125 */
1126 if (getline_equal(getline, cookie, getexline)
1127 && new_last_cmdline != NULL)
1128 {
1129 vim_free(last_cmdline);
1130 last_cmdline = new_last_cmdline;
1131 new_last_cmdline = NULL;
1132 }
1133 #endif
1134 }
1135 else
1136 {
1137 /* need to copy the command after the '|' to cmdline_copy, for the
1138 * next do_one_cmd() */
1139 STRMOVE(cmdline_copy, next_cmdline);
1140 next_cmdline = cmdline_copy;
1141 }
1142
1143
1144 #ifdef FEAT_EVAL
1145 /* reset did_emsg for a function that is not aborted by an error */
1146 if (did_emsg && !force_abort
1147 && getline_equal(getline, cookie, get_func_line)
1148 && !func_has_abort(real_cookie))
1149 did_emsg = FALSE;
1150
1151 if (cstack.cs_looplevel > 0)
1152 {
1153 ++current_line;
1154
1155 /*
1156 * An ":endwhile", ":endfor" and ":continue" is handled here.
1157 * If we were executing commands, jump back to the ":while" or
1158 * ":for".
1159 * If we were not executing commands, decrement cs_looplevel.
1160 */
1161 if (cstack.cs_lflags & (CSL_HAD_CONT | CSL_HAD_ENDLOOP))
1162 {
1163 cstack.cs_lflags &= ~(CSL_HAD_CONT | CSL_HAD_ENDLOOP);
1164
1165 /* Jump back to the matching ":while" or ":for". Be careful
1166 * not to use a cs_line[] from an entry that isn't a ":while"
1167 * or ":for": It would make "current_line" invalid and can
1168 * cause a crash. */
1169 if (!did_emsg && !got_int && !did_throw
1170 && cstack.cs_idx >= 0
1171 && (cstack.cs_flags[cstack.cs_idx]
1172 & (CSF_WHILE | CSF_FOR))
1173 && cstack.cs_line[cstack.cs_idx] >= 0
1174 && (cstack.cs_flags[cstack.cs_idx] & CSF_ACTIVE))
1175 {
1176 current_line = cstack.cs_line[cstack.cs_idx];
1177 /* remember we jumped there */
1178 cstack.cs_lflags |= CSL_HAD_LOOP;
1179 line_breakcheck(); /* check if CTRL-C typed */
1180
1181 /* Check for the next breakpoint at or after the ":while"
1182 * or ":for". */
1183 if (breakpoint != NULL)
1184 {
1185 *breakpoint = dbg_find_breakpoint(
1186 getline_equal(getline, cookie, getsourceline),
1187 fname,
1188 ((wcmd_T *)lines_ga.ga_data)[current_line].lnum-1);
1189 *dbg_tick = debug_tick;
1190 }
1191 }
1192 else
1193 {
1194 /* can only get here with ":endwhile" or ":endfor" */
1195 if (cstack.cs_idx >= 0)
1196 rewind_conditionals(&cstack, cstack.cs_idx - 1,
1197 CSF_WHILE | CSF_FOR, &cstack.cs_looplevel);
1198 }
1199 }
1200
1201 /*
1202 * For a ":while" or ":for" we need to remember the line number.
1203 */
1204 else if (cstack.cs_lflags & CSL_HAD_LOOP)
1205 {
1206 cstack.cs_lflags &= ~CSL_HAD_LOOP;
1207 cstack.cs_line[cstack.cs_idx] = current_line - 1;
1208 }
1209 }
1210
1211 /*
1212 * When not inside any ":while" loop, clear remembered lines.
1213 */
1214 if (cstack.cs_looplevel == 0)
1215 {
1216 if (lines_ga.ga_len > 0)
1217 {
1218 sourcing_lnum =
1219 ((wcmd_T *)lines_ga.ga_data)[lines_ga.ga_len - 1].lnum;
1220 free_cmdlines(&lines_ga);
1221 }
1222 current_line = 0;
1223 }
1224
1225 /*
1226 * A ":finally" makes did_emsg, got_int, and did_throw pending for
1227 * being restored at the ":endtry". Reset them here and set the
1228 * ACTIVE and FINALLY flags, so that the finally clause gets executed.
1229 * This includes the case where a missing ":endif", ":endwhile" or
1230 * ":endfor" was detected by the ":finally" itself.
1231 */
1232 if (cstack.cs_lflags & CSL_HAD_FINA)
1233 {
1234 cstack.cs_lflags &= ~CSL_HAD_FINA;
1235 report_make_pending(cstack.cs_pending[cstack.cs_idx]
1236 & (CSTP_ERROR | CSTP_INTERRUPT | CSTP_THROW),
1237 did_throw ? (void *)current_exception : NULL);
1238 did_emsg = got_int = did_throw = FALSE;
1239 cstack.cs_flags[cstack.cs_idx] |= CSF_ACTIVE | CSF_FINALLY;
1240 }
1241
1242 /* Update global "trylevel" for recursive calls to do_cmdline() from
1243 * within this loop. */
1244 trylevel = initial_trylevel + cstack.cs_trylevel;
1245
1246 /*
1247 * If the outermost try conditional (across function calls and sourced
1248 * files) is aborted because of an error, an interrupt, or an uncaught
1249 * exception, cancel everything. If it is left normally, reset
1250 * force_abort to get the non-EH compatible abortion behavior for
1251 * the rest of the script.
1252 */
1253 if (trylevel == 0 && !did_emsg && !got_int && !did_throw)
1254 force_abort = FALSE;
1255
1256 /* Convert an interrupt to an exception if appropriate. */
1257 (void)do_intthrow(&cstack);
1258 #endif /* FEAT_EVAL */
1259
1260 }
1261 /*
1262 * Continue executing command lines when:
1263 * - no CTRL-C typed, no aborting error, no exception thrown or try
1264 * conditionals need to be checked for executing finally clauses or
1265 * catching an interrupt exception
1266 * - didn't get an error message or lines are not typed
1267 * - there is a command after '|', inside a :if, :while, :for or :try, or
1268 * looping for ":source" command or function call.
1269 */
1270 while (!((got_int
1271 #ifdef FEAT_EVAL
1272 || (did_emsg && force_abort) || did_throw
1273 #endif
1274 )
1275 #ifdef FEAT_EVAL
1276 && cstack.cs_trylevel == 0
1277 #endif
1278 )
1279 && !(did_emsg && used_getline
1280 && (getline_equal(getline, cookie, getexmodeline)
1281 || getline_equal(getline, cookie, getexline)))
1282 && (next_cmdline != NULL
1283 #ifdef FEAT_EVAL
1284 || cstack.cs_idx >= 0
1285 #endif
1286 || (flags & DOCMD_REPEAT)));
1287
1288 vim_free(cmdline_copy);
1289 #ifdef FEAT_EVAL
1290 free_cmdlines(&lines_ga);
1291 ga_clear(&lines_ga);
1292
1293 if (cstack.cs_idx >= 0)
1294 {
1295 /*
1296 * If a sourced file or executed function ran to its end, report the
1297 * unclosed conditional.
1298 */
1299 if (!got_int && !did_throw
1300 && ((getline_equal(getline, cookie, getsourceline)
1301 && !source_finished(getline, cookie))
1302 || (getline_equal(getline, cookie, get_func_line)
1303 && !func_has_ended(real_cookie))))
1304 {
1305 if (cstack.cs_flags[cstack.cs_idx] & CSF_TRY)
1306 EMSG(_(e_endtry));
1307 else if (cstack.cs_flags[cstack.cs_idx] & CSF_WHILE)
1308 EMSG(_(e_endwhile));
1309 else if (cstack.cs_flags[cstack.cs_idx] & CSF_FOR)
1310 EMSG(_(e_endfor));
1311 else
1312 EMSG(_(e_endif));
1313 }
1314
1315 /*
1316 * Reset "trylevel" in case of a ":finish" or ":return" or a missing
1317 * ":endtry" in a sourced file or executed function. If the try
1318 * conditional is in its finally clause, ignore anything pending.
1319 * If it is in a catch clause, finish the caught exception.
1320 * Also cleanup any "cs_forinfo" structures.
1321 */
1322 do
1323 {
1324 int idx = cleanup_conditionals(&cstack, 0, TRUE);
1325
1326 if (idx >= 0)
1327 --idx; /* remove try block not in its finally clause */
1328 rewind_conditionals(&cstack, idx, CSF_WHILE | CSF_FOR,
1329 &cstack.cs_looplevel);
1330 }
1331 while (cstack.cs_idx >= 0);
1332 trylevel = initial_trylevel;
1333 }
1334
1335 /* If a missing ":endtry", ":endwhile", ":endfor", or ":endif" or a memory
1336 * lack was reported above and the error message is to be converted to an
1337 * exception, do this now after rewinding the cstack. */
1338 do_errthrow(&cstack, getline_equal(getline, cookie, get_func_line)
1339 ? (char_u *)"endfunction" : (char_u *)NULL);
1340
1341 if (trylevel == 0)
1342 {
1343 /*
1344 * When an exception is being thrown out of the outermost try
1345 * conditional, discard the uncaught exception, disable the conversion
1346 * of interrupts or errors to exceptions, and ensure that no more
1347 * commands are executed.
1348 */
1349 if (did_throw)
1350 {
1351 void *p = NULL;
1352 char_u *saved_sourcing_name;
1353 int saved_sourcing_lnum;
1354 struct msglist *messages = NULL, *next;
1355
1356 /*
1357 * If the uncaught exception is a user exception, report it as an
1358 * error. If it is an error exception, display the saved error
1359 * message now. For an interrupt exception, do nothing; the
1360 * interrupt message is given elsewhere.
1361 */
1362 switch (current_exception->type)
1363 {
1364 case ET_USER:
1365 vim_snprintf((char *)IObuff, IOSIZE,
1366 _("E605: Exception not caught: %s"),
1367 current_exception->value);
1368 p = vim_strsave(IObuff);
1369 break;
1370 case ET_ERROR:
1371 messages = current_exception->messages;
1372 current_exception->messages = NULL;
1373 break;
1374 case ET_INTERRUPT:
1375 break;
1376 default:
1377 p = vim_strsave((char_u *)_(e_internal));
1378 }
1379
1380 saved_sourcing_name = sourcing_name;
1381 saved_sourcing_lnum = sourcing_lnum;
1382 sourcing_name = current_exception->throw_name;
1383 sourcing_lnum = current_exception->throw_lnum;
1384 current_exception->throw_name = NULL;
1385
1386 discard_current_exception(); /* uses IObuff if 'verbose' */
1387 suppress_errthrow = TRUE;
1388 force_abort = TRUE;
1389
1390 if (messages != NULL)
1391 {
1392 do
1393 {
1394 next = messages->next;
1395 emsg(messages->msg);
1396 vim_free(messages->msg);
1397 vim_free(messages);
1398 messages = next;
1399 }
1400 while (messages != NULL);
1401 }
1402 else if (p != NULL)
1403 {
1404 emsg(p);
1405 vim_free(p);
1406 }
1407 vim_free(sourcing_name);
1408 sourcing_name = saved_sourcing_name;
1409 sourcing_lnum = saved_sourcing_lnum;
1410 }
1411
1412 /*
1413 * On an interrupt or an aborting error not converted to an exception,
1414 * disable the conversion of errors to exceptions. (Interrupts are not
1415 * converted any more, here.) This enables also the interrupt message
1416 * when force_abort is set and did_emsg unset in case of an interrupt
1417 * from a finally clause after an error.
1418 */
1419 else if (got_int || (did_emsg && force_abort))
1420 suppress_errthrow = TRUE;
1421 }
1422
1423 /*
1424 * The current cstack will be freed when do_cmdline() returns. An uncaught
1425 * exception will have to be rethrown in the previous cstack. If a function
1426 * has just returned or a script file was just finished and the previous
1427 * cstack belongs to the same function or, respectively, script file, it
1428 * will have to be checked for finally clauses to be executed due to the
1429 * ":return" or ":finish". This is done in do_one_cmd().
1430 */
1431 if (did_throw)
1432 need_rethrow = TRUE;
1433 if ((getline_equal(getline, cookie, getsourceline)
1434 && ex_nesting_level > source_level(real_cookie))
1435 || (getline_equal(getline, cookie, get_func_line)
1436 && ex_nesting_level > func_level(real_cookie) + 1))
1437 {
1438 if (!did_throw)
1439 check_cstack = TRUE;
1440 }
1441 else
1442 {
1443 /* When leaving a function, reduce nesting level. */
1444 if (getline_equal(getline, cookie, get_func_line))
1445 --ex_nesting_level;
1446 /*
1447 * Go to debug mode when returning from a function in which we are
1448 * single-stepping.
1449 */
1450 if ((getline_equal(getline, cookie, getsourceline)
1451 || getline_equal(getline, cookie, get_func_line))
1452 && ex_nesting_level + 1 <= debug_break_level)
1453 do_debug(getline_equal(getline, cookie, getsourceline)
1454 ? (char_u *)_("End of sourced file")
1455 : (char_u *)_("End of function"));
1456 }
1457
1458 /*
1459 * Restore the exception environment (done after returning from the
1460 * debugger).
1461 */
1462 if (flags & DOCMD_EXCRESET)
1463 restore_dbg_stuff(&debug_saved);
1464
1465 msg_list = saved_msg_list;
1466 #endif /* FEAT_EVAL */
1467
1468 /*
1469 * If there was too much output to fit on the command line, ask the user to
1470 * hit return before redrawing the screen. With the ":global" command we do
1471 * this only once after the command is finished.
1472 */
1473 if (did_inc)
1474 {
1475 --RedrawingDisabled;
1476 --no_wait_return;
1477 msg_scroll = FALSE;
1478
1479 /*
1480 * When just finished an ":if"-":else" which was typed, no need to
1481 * wait for hit-return. Also for an error situation.
1482 */
1483 if (retval == FAIL
1484 #ifdef FEAT_EVAL
1485 || (did_endif && KeyTyped && !did_emsg)
1486 #endif
1487 )
1488 {
1489 need_wait_return = FALSE;
1490 msg_didany = FALSE; /* don't wait when restarting edit */
1491 }
1492 else if (need_wait_return)
1493 {
1494 /*
1495 * The msg_start() above clears msg_didout. The wait_return we do
1496 * here should not overwrite the command that may be shown before
1497 * doing that.
1498 */
1499 msg_didout |= msg_didout_before_start;
1500 wait_return(FALSE);
1501 }
1502 }
1503
1504 #ifndef FEAT_EVAL
1505 /*
1506 * Reset if_level, in case a sourced script file contains more ":if" than
1507 * ":endif" (could be ":if x | foo | endif").
1508 */
1509 if_level = 0;
1510 #endif
1511
1512 --call_depth;
1513 return retval;
1514 }
1515
1516 #ifdef FEAT_EVAL
1517 /*
1518 * Obtain a line when inside a ":while" or ":for" loop.
1519 */
1520 static char_u *
1521 get_loop_line(c, cookie, indent)
1522 int c;
1523 void *cookie;
1524 int indent;
1525 {
1526 struct loop_cookie *cp = (struct loop_cookie *)cookie;
1527 wcmd_T *wp;
1528 char_u *line;
1529
1530 if (cp->current_line + 1 >= cp->lines_gap->ga_len)
1531 {
1532 if (cp->repeating)
1533 return NULL; /* trying to read past ":endwhile"/":endfor" */
1534
1535 /* First time inside the ":while"/":for": get line normally. */
1536 if (cp->getline == NULL)
1537 line = getcmdline(c, 0L, indent);
1538 else
1539 line = cp->getline(c, cp->cookie, indent);
1540 if (line != NULL && store_loop_line(cp->lines_gap, line) == OK)
1541 ++cp->current_line;
1542
1543 return line;
1544 }
1545
1546 KeyTyped = FALSE;
1547 ++cp->current_line;
1548 wp = (wcmd_T *)(cp->lines_gap->ga_data) + cp->current_line;
1549 sourcing_lnum = wp->lnum;
1550 return vim_strsave(wp->line);
1551 }
1552
1553 /*
1554 * Store a line in "gap" so that a ":while" loop can execute it again.
1555 */
1556 static int
1557 store_loop_line(gap, line)
1558 garray_T *gap;
1559 char_u *line;
1560 {
1561 if (ga_grow(gap, 1) == FAIL)
1562 return FAIL;
1563 ((wcmd_T *)(gap->ga_data))[gap->ga_len].line = vim_strsave(line);
1564 ((wcmd_T *)(gap->ga_data))[gap->ga_len].lnum = sourcing_lnum;
1565 ++gap->ga_len;
1566 return OK;
1567 }
1568
1569 /*
1570 * Free the lines stored for a ":while" or ":for" loop.
1571 */
1572 static void
1573 free_cmdlines(gap)
1574 garray_T *gap;
1575 {
1576 while (gap->ga_len > 0)
1577 {
1578 vim_free(((wcmd_T *)(gap->ga_data))[gap->ga_len - 1].line);
1579 --gap->ga_len;
1580 }
1581 }
1582 #endif
1583
1584 /*
1585 * If "fgetline" is get_loop_line(), return TRUE if the getline it uses equals
1586 * "func". * Otherwise return TRUE when "fgetline" equals "func".
1587 */
1588 int
1589 getline_equal(fgetline, cookie, func)
1590 char_u *(*fgetline) __ARGS((int, void *, int));
1591 void *cookie UNUSED; /* argument for fgetline() */
1592 char_u *(*func) __ARGS((int, void *, int));
1593 {
1594 #ifdef FEAT_EVAL
1595 char_u *(*gp) __ARGS((int, void *, int));
1596 struct loop_cookie *cp;
1597
1598 /* When "fgetline" is "get_loop_line()" use the "cookie" to find the
1599 * function that's originally used to obtain the lines. This may be
1600 * nested several levels. */
1601 gp = fgetline;
1602 cp = (struct loop_cookie *)cookie;
1603 while (gp == get_loop_line)
1604 {
1605 gp = cp->getline;
1606 cp = cp->cookie;
1607 }
1608 return gp == func;
1609 #else
1610 return fgetline == func;
1611 #endif
1612 }
1613
1614 #if defined(FEAT_EVAL) || defined(FEAT_MBYTE) || defined(PROTO)
1615 /*
1616 * If "fgetline" is get_loop_line(), return the cookie used by the original
1617 * getline function. Otherwise return "cookie".
1618 */
1619 void *
1620 getline_cookie(fgetline, cookie)
1621 char_u *(*fgetline) __ARGS((int, void *, int)) UNUSED;
1622 void *cookie; /* argument for fgetline() */
1623 {
1624 # ifdef FEAT_EVAL
1625 char_u *(*gp) __ARGS((int, void *, int));
1626 struct loop_cookie *cp;
1627
1628 /* When "fgetline" is "get_loop_line()" use the "cookie" to find the
1629 * cookie that's originally used to obtain the lines. This may be nested
1630 * several levels. */
1631 gp = fgetline;
1632 cp = (struct loop_cookie *)cookie;
1633 while (gp == get_loop_line)
1634 {
1635 gp = cp->getline;
1636 cp = cp->cookie;
1637 }
1638 return cp;
1639 # else
1640 return cookie;
1641 # endif
1642 }
1643 #endif
1644
1645 /*
1646 * Execute one Ex command.
1647 *
1648 * If 'sourcing' is TRUE, the command will be included in the error message.
1649 *
1650 * 1. skip comment lines and leading space
1651 * 2. handle command modifiers
1652 * 3. parse range
1653 * 4. parse command
1654 * 5. parse arguments
1655 * 6. switch on command name
1656 *
1657 * Note: "fgetline" can be NULL.
1658 *
1659 * This function may be called recursively!
1660 */
1661 #if (_MSC_VER == 1200)
1662 /*
1663 * Avoid optimisation bug in VC++ version 6.0
1664 */
1665 #pragma optimize( "g", off )
1666 #endif
1667 static char_u *
1668 do_one_cmd(cmdlinep, sourcing,
1669 #ifdef FEAT_EVAL
1670 cstack,
1671 #endif
1672 fgetline, cookie)
1673 char_u **cmdlinep;
1674 int sourcing;
1675 #ifdef FEAT_EVAL
1676 struct condstack *cstack;
1677 #endif
1678 char_u *(*fgetline) __ARGS((int, void *, int));
1679 void *cookie; /* argument for fgetline() */
1680 {
1681 char_u *p;
1682 linenr_T lnum;
1683 long n;
1684 char_u *errormsg = NULL; /* error message */
1685 exarg_T ea; /* Ex command arguments */
1686 long verbose_save = -1;
1687 int save_msg_scroll = msg_scroll;
1688 int save_msg_silent = -1;
1689 int did_esilent = 0;
1690 #ifdef HAVE_SANDBOX
1691 int did_sandbox = FALSE;
1692 #endif
1693 cmdmod_T save_cmdmod;
1694 int ni; /* set when Not Implemented */
1695
1696 vim_memset(&ea, 0, sizeof(ea));
1697 ea.line1 = 1;
1698 ea.line2 = 1;
1699 #ifdef FEAT_EVAL
1700 ++ex_nesting_level;
1701 #endif
1702
1703 /* when not editing the last file :q has to be typed twice */
1704 if (quitmore
1705 #ifdef FEAT_EVAL
1706 /* avoid that a function call in 'statusline' does this */
1707 && !getline_equal(fgetline, cookie, get_func_line)
1708 #endif
1709 )
1710 --quitmore;
1711
1712 /*
1713 * Reset browse, confirm, etc.. They are restored when returning, for
1714 * recursive calls.
1715 */
1716 save_cmdmod = cmdmod;
1717 vim_memset(&cmdmod, 0, sizeof(cmdmod));
1718
1719 /* "#!anything" is handled like a comment. */
1720 if ((*cmdlinep)[0] == '#' && (*cmdlinep)[1] == '!')
1721 goto doend;
1722
1723 /*
1724 * Repeat until no more command modifiers are found.
1725 */
1726 ea.cmd = *cmdlinep;
1727 for (;;)
1728 {
1729 /*
1730 * 1. skip comment lines and leading white space and colons
1731 */
1732 while (*ea.cmd == ' ' || *ea.cmd == '\t' || *ea.cmd == ':')
1733 ++ea.cmd;
1734
1735 /* in ex mode, an empty line works like :+ */
1736 if (*ea.cmd == NUL && exmode_active
1737 && (getline_equal(fgetline, cookie, getexmodeline)
1738 || getline_equal(fgetline, cookie, getexline))
1739 && curwin->w_cursor.lnum < curbuf->b_ml.ml_line_count)
1740 {
1741 ea.cmd = (char_u *)"+";
1742 ex_pressedreturn = TRUE;
1743 }
1744
1745 /* ignore comment and empty lines */
1746 if (*ea.cmd == '"')
1747 goto doend;
1748 if (*ea.cmd == NUL)
1749 {
1750 ex_pressedreturn = TRUE;
1751 goto doend;
1752 }
1753
1754 /*
1755 * 2. handle command modifiers.
1756 */
1757 p = ea.cmd;
1758 if (VIM_ISDIGIT(*ea.cmd))
1759 p = skipwhite(skipdigits(ea.cmd));
1760 switch (*p)
1761 {
1762 /* When adding an entry, also modify cmd_exists(). */
1763 case 'a': if (!checkforcmd(&ea.cmd, "aboveleft", 3))
1764 break;
1765 #ifdef FEAT_WINDOWS
1766 cmdmod.split |= WSP_ABOVE;
1767 #endif
1768 continue;
1769
1770 case 'b': if (checkforcmd(&ea.cmd, "belowright", 3))
1771 {
1772 #ifdef FEAT_WINDOWS
1773 cmdmod.split |= WSP_BELOW;
1774 #endif
1775 continue;
1776 }
1777 if (checkforcmd(&ea.cmd, "browse", 3))
1778 {
1779 #ifdef FEAT_BROWSE_CMD
1780 cmdmod.browse = TRUE;
1781 #endif
1782 continue;
1783 }
1784 if (!checkforcmd(&ea.cmd, "botright", 2))
1785 break;
1786 #ifdef FEAT_WINDOWS
1787 cmdmod.split |= WSP_BOT;
1788 #endif
1789 continue;
1790
1791 case 'c': if (!checkforcmd(&ea.cmd, "confirm", 4))
1792 break;
1793 #if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG)
1794 cmdmod.confirm = TRUE;
1795 #endif
1796 continue;
1797
1798 case 'k': if (checkforcmd(&ea.cmd, "keepmarks", 3))
1799 {
1800 cmdmod.keepmarks = TRUE;
1801 continue;
1802 }
1803 if (checkforcmd(&ea.cmd, "keepalt", 5))
1804 {
1805 cmdmod.keepalt = TRUE;
1806 continue;
1807 }
1808 if (!checkforcmd(&ea.cmd, "keepjumps", 5))
1809 break;
1810 cmdmod.keepjumps = TRUE;
1811 continue;
1812
1813 /* ":hide" and ":hide | cmd" are not modifiers */
1814 case 'h': if (p != ea.cmd || !checkforcmd(&p, "hide", 3)
1815 || *p == NUL || ends_excmd(*p))
1816 break;
1817 ea.cmd = p;
1818 cmdmod.hide = TRUE;
1819 continue;
1820
1821 case 'l': if (checkforcmd(&ea.cmd, "lockmarks", 3))
1822 {
1823 cmdmod.lockmarks = TRUE;
1824 continue;
1825 }
1826
1827 if (!checkforcmd(&ea.cmd, "leftabove", 5))
1828 break;
1829 #ifdef FEAT_WINDOWS
1830 cmdmod.split |= WSP_ABOVE;
1831 #endif
1832 continue;
1833
1834 case 'n': if (!checkforcmd(&ea.cmd, "noautocmd", 3))
1835 break;
1836 #ifdef FEAT_AUTOCMD
1837 if (cmdmod.save_ei == NULL)
1838 {
1839 /* Set 'eventignore' to "all". Restore the
1840 * existing option value later. */
1841 cmdmod.save_ei = vim_strsave(p_ei);
1842 set_string_option_direct((char_u *)"ei", -1,
1843 (char_u *)"all", OPT_FREE, SID_NONE);
1844 }
1845 #endif
1846 continue;
1847
1848 case 'r': if (!checkforcmd(&ea.cmd, "rightbelow", 6))
1849 break;
1850 #ifdef FEAT_WINDOWS
1851 cmdmod.split |= WSP_BELOW;
1852 #endif
1853 continue;
1854
1855 case 's': if (checkforcmd(&ea.cmd, "sandbox", 3))
1856 {
1857 #ifdef HAVE_SANDBOX
1858 if (!did_sandbox)
1859 ++sandbox;
1860 did_sandbox = TRUE;
1861 #endif
1862 continue;
1863 }
1864 if (!checkforcmd(&ea.cmd, "silent", 3))
1865 break;
1866 if (save_msg_silent == -1)
1867 save_msg_silent = msg_silent;
1868 ++msg_silent;
1869 if (*ea.cmd == '!' && !vim_iswhite(ea.cmd[-1]))
1870 {
1871 /* ":silent!", but not "silent !cmd" */
1872 ea.cmd = skipwhite(ea.cmd + 1);
1873 ++emsg_silent;
1874 ++did_esilent;
1875 }
1876 continue;
1877
1878 case 't': if (checkforcmd(&p, "tab", 3))
1879 {
1880 #ifdef FEAT_WINDOWS
1881 if (vim_isdigit(*ea.cmd))
1882 cmdmod.tab = atoi((char *)ea.cmd) + 1;
1883 else
1884 cmdmod.tab = tabpage_index(curtab) + 1;
1885 ea.cmd = p;
1886 #endif
1887 continue;
1888 }
1889 if (!checkforcmd(&ea.cmd, "topleft", 2))
1890 break;
1891 #ifdef FEAT_WINDOWS
1892 cmdmod.split |= WSP_TOP;
1893 #endif
1894 continue;
1895
1896 case 'u': if (!checkforcmd(&ea.cmd, "unsilent", 3))
1897 break;
1898 if (save_msg_silent == -1)
1899 save_msg_silent = msg_silent;
1900 msg_silent = 0;
1901 continue;
1902
1903 case 'v': if (checkforcmd(&ea.cmd, "vertical", 4))
1904 {
1905 #ifdef FEAT_VERTSPLIT
1906 cmdmod.split |= WSP_VERT;
1907 #endif
1908 continue;
1909 }
1910 if (!checkforcmd(&p, "verbose", 4))
1911 break;
1912 if (verbose_save < 0)
1913 verbose_save = p_verbose;
1914 if (vim_isdigit(*ea.cmd))
1915 p_verbose = atoi((char *)ea.cmd);
1916 else
1917 p_verbose = 1;
1918 ea.cmd = p;
1919 continue;
1920 }
1921 break;
1922 }
1923
1924 #ifdef FEAT_EVAL
1925 ea.skip = did_emsg || got_int || did_throw || (cstack->cs_idx >= 0
1926 && !(cstack->cs_flags[cstack->cs_idx] & CSF_ACTIVE));
1927 #else
1928 ea.skip = (if_level > 0);
1929 #endif
1930
1931 #ifdef FEAT_EVAL
1932 # ifdef FEAT_PROFILE
1933 /* Count this line for profiling if ea.skip is FALSE. */
1934 if (do_profiling == PROF_YES && !ea.skip)
1935 {
1936 if (getline_equal(fgetline, cookie, get_func_line))
1937 func_line_exec(getline_cookie(fgetline, cookie));
1938 else if (getline_equal(fgetline, cookie, getsourceline))
1939 script_line_exec();
1940 }
1941 #endif
1942
1943 /* May go to debug mode. If this happens and the ">quit" debug command is
1944 * used, throw an interrupt exception and skip the next command. */
1945 dbg_check_breakpoint(&ea);
1946 if (!ea.skip && got_int)
1947 {
1948 ea.skip = TRUE;
1949 (void)do_intthrow(cstack);
1950 }
1951 #endif
1952
1953 /*
1954 * 3. parse a range specifier of the form: addr [,addr] [;addr] ..
1955 *
1956 * where 'addr' is:
1957 *
1958 * % (entire file)
1959 * $ [+-NUM]
1960 * 'x [+-NUM] (where x denotes a currently defined mark)
1961 * . [+-NUM]
1962 * [+-NUM]..
1963 * NUM
1964 *
1965 * The ea.cmd pointer is updated to point to the first character following the
1966 * range spec. If an initial address is found, but no second, the upper bound
1967 * is equal to the lower.
1968 */
1969
1970 /* repeat for all ',' or ';' separated addresses */
1971 for (;;)
1972 {
1973 ea.line1 = ea.line2;
1974 ea.line2 = curwin->w_cursor.lnum; /* default is current line number */
1975 ea.cmd = skipwhite(ea.cmd);
1976 lnum = get_address(&ea.cmd, ea.skip, ea.addr_count == 0);
1977 if (ea.cmd == NULL) /* error detected */
1978 goto doend;
1979 if (lnum == MAXLNUM)
1980 {
1981 if (*ea.cmd == '%') /* '%' - all lines */
1982 {
1983 ++ea.cmd;
1984 ea.line1 = 1;
1985 ea.line2 = curbuf->b_ml.ml_line_count;
1986 ++ea.addr_count;
1987 }
1988 /* '*' - visual area */
1989 else if (*ea.cmd == '*' && vim_strchr(p_cpo, CPO_STAR) == NULL)
1990 {
1991 pos_T *fp;
1992
1993 ++ea.cmd;
1994 if (!ea.skip)
1995 {
1996 fp = getmark('<', FALSE);
1997 if (check_mark(fp) == FAIL)
1998 goto doend;
1999 ea.line1 = fp->lnum;
2000 fp = getmark('>', FALSE);
2001 if (check_mark(fp) == FAIL)
2002 goto doend;
2003 ea.line2 = fp->lnum;
2004 ++ea.addr_count;
2005 }
2006 }
2007 }
2008 else
2009 ea.line2 = lnum;
2010 ea.addr_count++;
2011
2012 if (*ea.cmd == ';')
2013 {
2014 if (!ea.skip)
2015 curwin->w_cursor.lnum = ea.line2;
2016 }
2017 else if (*ea.cmd != ',')
2018 break;
2019 ++ea.cmd;
2020 }
2021
2022 /* One address given: set start and end lines */
2023 if (ea.addr_count == 1)
2024 {
2025 ea.line1 = ea.line2;
2026 /* ... but only implicit: really no address given */
2027 if (lnum == MAXLNUM)
2028 ea.addr_count = 0;
2029 }
2030
2031 /* Don't leave the cursor on an illegal line (caused by ';') */
2032 check_cursor_lnum();
2033
2034 /*
2035 * 4. parse command
2036 */
2037
2038 /*
2039 * Skip ':' and any white space
2040 */
2041 ea.cmd = skipwhite(ea.cmd);
2042 while (*ea.cmd == ':')
2043 ea.cmd = skipwhite(ea.cmd + 1);
2044
2045 /*
2046 * If we got a line, but no command, then go to the line.
2047 * If we find a '|' or '\n' we set ea.nextcmd.
2048 */
2049 if (*ea.cmd == NUL || *ea.cmd == '"' ||
2050 (ea.nextcmd = check_nextcmd(ea.cmd)) != NULL)
2051 {
2052 /*
2053 * strange vi behaviour:
2054 * ":3" jumps to line 3
2055 * ":3|..." prints line 3
2056 * ":|" prints current line
2057 */
2058 if (ea.skip) /* skip this if inside :if */
2059 goto doend;
2060 if (*ea.cmd == '|' || (exmode_active && ea.line1 != ea.line2))
2061 {
2062 ea.cmdidx = CMD_print;
2063 ea.argt = RANGE+COUNT+TRLBAR;
2064 if ((errormsg = invalid_range(&ea)) == NULL)
2065 {
2066 correct_range(&ea);
2067 ex_print(&ea);
2068 }
2069 }
2070 else if (ea.addr_count != 0)
2071 {
2072 if (ea.line2 > curbuf->b_ml.ml_line_count)
2073 {
2074 /* With '-' in 'cpoptions' a line number past the file is an
2075 * error, otherwise put it at the end of the file. */
2076 if (vim_strchr(p_cpo, CPO_MINUS) != NULL)
2077 ea.line2 = -1;
2078 else
2079 ea.line2 = curbuf->b_ml.ml_line_count;
2080 }
2081
2082 if (ea.line2 < 0)
2083 errormsg = (char_u *)_(e_invrange);
2084 else
2085 {
2086 if (ea.line2 == 0)
2087 curwin->w_cursor.lnum = 1;
2088 else
2089 curwin->w_cursor.lnum = ea.line2;
2090 beginline(BL_SOL | BL_FIX);
2091 }
2092 }
2093 goto doend;
2094 }
2095
2096 /* Find the command and let "p" point to after it. */
2097 p = find_command(&ea, NULL);
2098
2099 #ifdef FEAT_USR_CMDS
2100 if (p == NULL)
2101 {
2102 if (!ea.skip)
2103 errormsg = (char_u *)_("E464: Ambiguous use of user-defined command");
2104 goto doend;
2105 }
2106 /* Check for wrong commands. */
2107 if (*p == '!' && ea.cmd[1] == 0151 && ea.cmd[0] == 78)
2108 {
2109 errormsg = uc_fun_cmd();
2110 goto doend;
2111 }
2112 #endif
2113 if (ea.cmdidx == CMD_SIZE)
2114 {
2115 if (!ea.skip)
2116 {
2117 STRCPY(IObuff, _("E492: Not an editor command"));
2118 if (!sourcing)
2119 {
2120 STRCAT(IObuff, ": ");
2121 STRNCAT(IObuff, *cmdlinep, 40);
2122 }
2123 errormsg = IObuff;
2124 }
2125 goto doend;
2126 }
2127
2128 ni = (
2129 #ifdef FEAT_USR_CMDS
2130 !USER_CMDIDX(ea.cmdidx) &&
2131 #endif
2132 (cmdnames[ea.cmdidx].cmd_func == ex_ni
2133 #ifdef HAVE_EX_SCRIPT_NI
2134 || cmdnames[ea.cmdidx].cmd_func == ex_script_ni
2135 #endif
2136 ));
2137
2138 #ifndef FEAT_EVAL
2139 /*
2140 * When the expression evaluation is disabled, recognize the ":if" and
2141 * ":endif" commands and ignore everything in between it.
2142 */
2143 if (ea.cmdidx == CMD_if)
2144 ++if_level;
2145 if (if_level)
2146 {
2147 if (ea.cmdidx == CMD_endif)
2148 --if_level;
2149 goto doend;
2150 }
2151
2152 #endif
2153
2154 /* forced commands */
2155 if (*p == '!' && ea.cmdidx != CMD_substitute
2156 && ea.cmdidx != CMD_smagic && ea.cmdidx != CMD_snomagic)
2157 {
2158 ++p;
2159 ea.forceit = TRUE;
2160 }
2161 else
2162 ea.forceit = FALSE;
2163
2164 /*
2165 * 5. parse arguments
2166 */
2167 #ifdef FEAT_USR_CMDS
2168 if (!USER_CMDIDX(ea.cmdidx))
2169 #endif
2170 ea.argt = (long)cmdnames[(int)ea.cmdidx].cmd_argt;
2171
2172 if (!ea.skip)
2173 {
2174 #ifdef HAVE_SANDBOX
2175 if (sandbox != 0 && !(ea.argt & SBOXOK))
2176 {
2177 /* Command not allowed in sandbox. */
2178 errormsg = (char_u *)_(e_sandbox);
2179 goto doend;
2180 }
2181 #endif
2182 if (!curbuf->b_p_ma && (ea.argt & MODIFY))
2183 {
2184 /* Command not allowed in non-'modifiable' buffer */
2185 errormsg = (char_u *)_(e_modifiable);
2186 goto doend;
2187 }
2188
2189 if (text_locked() && !(ea.argt & CMDWIN)
2190 # ifdef FEAT_USR_CMDS
2191 && !USER_CMDIDX(ea.cmdidx)
2192 # endif
2193 )
2194 {
2195 /* Command not allowed when editing the command line. */
2196 #ifdef FEAT_CMDWIN
2197 if (cmdwin_type != 0)
2198 errormsg = (char_u *)_(e_cmdwin);
2199 else
2200 #endif
2201 errormsg = (char_u *)_(e_secure);
2202 goto doend;
2203 }
2204 #ifdef FEAT_AUTOCMD
2205 /* Disallow editing another buffer when "curbuf_lock" is set.
2206 * Do allow ":edit" (check for argument later).
2207 * Do allow ":checktime" (it's postponed). */
2208 if (!(ea.argt & CMDWIN)
2209 && ea.cmdidx != CMD_edit
2210 && ea.cmdidx != CMD_checktime
2211 # ifdef FEAT_USR_CMDS
2212 && !USER_CMDIDX(ea.cmdidx)
2213 # endif
2214 && curbuf_locked())
2215 goto doend;
2216 #endif
2217
2218 if (!ni && !(ea.argt & RANGE) && ea.addr_count > 0)
2219 {
2220 /* no range allowed */
2221 errormsg = (char_u *)_(e_norange);
2222 goto doend;
2223 }
2224 }
2225
2226 if (!ni && !(ea.argt & BANG) && ea.forceit) /* no <!> allowed */
2227 {
2228 errormsg = (char_u *)_(e_nobang);
2229 goto doend;
2230 }
2231
2232 /*
2233 * Don't complain about the range if it is not used
2234 * (could happen if line_count is accidentally set to 0).
2235 */
2236 if (!ea.skip && !ni)
2237 {
2238 /*
2239 * If the range is backwards, ask for confirmation and, if given, swap
2240 * ea.line1 & ea.line2 so it's forwards again.
2241 * When global command is busy, don't ask, will fail below.
2242 */
2243 if (!global_busy && ea.line1 > ea.line2)
2244 {
2245 if (msg_silent == 0)
2246 {
2247 if (sourcing || exmode_active)
2248 {
2249 errormsg = (char_u *)_("E493: Backwards range given");
2250 goto doend;
2251 }
2252 if (ask_yesno((char_u *)
2253 _("Backwards range given, OK to swap"), FALSE) != 'y')
2254 goto doend;
2255 }
2256 lnum = ea.line1;
2257 ea.line1 = ea.line2;
2258 ea.line2 = lnum;
2259 }
2260 if ((errormsg = invalid_range(&ea)) != NULL)
2261 goto doend;
2262 }
2263
2264 if ((ea.argt & NOTADR) && ea.addr_count == 0) /* default is 1, not cursor */
2265 ea.line2 = 1;
2266
2267 correct_range(&ea);
2268
2269 #ifdef FEAT_FOLDING
2270 if (((ea.argt & WHOLEFOLD) || ea.addr_count >= 2) && !global_busy)
2271 {
2272 /* Put the first line at the start of a closed fold, put the last line
2273 * at the end of a closed fold. */
2274 (void)hasFolding(ea.line1, &ea.line1, NULL);
2275 (void)hasFolding(ea.line2, NULL, &ea.line2);
2276 }
2277 #endif
2278
2279 #ifdef FEAT_QUICKFIX
2280 /*
2281 * For the ":make" and ":grep" commands we insert the 'makeprg'/'grepprg'
2282 * option here, so things like % get expanded.
2283 */
2284 p = replace_makeprg(&ea, p, cmdlinep);
2285 if (p == NULL)
2286 goto doend;
2287 #endif
2288
2289 /*
2290 * Skip to start of argument.
2291 * Don't do this for the ":!" command, because ":!! -l" needs the space.
2292 */
2293 if (ea.cmdidx == CMD_bang)
2294 ea.arg = p;
2295 else
2296 ea.arg = skipwhite(p);
2297
2298 /*
2299 * Check for "++opt=val" argument.
2300 * Must be first, allow ":w ++enc=utf8 !cmd"
2301 */
2302 if (ea.argt & ARGOPT)
2303 while (ea.arg[0] == '+' && ea.arg[1] == '+')
2304 if (getargopt(&ea) == FAIL && !ni)
2305 {
2306 errormsg = (char_u *)_(e_invarg);
2307 goto doend;
2308 }
2309
2310 if (ea.cmdidx == CMD_write || ea.cmdidx == CMD_update)
2311 {
2312 if (*ea.arg == '>') /* append */
2313 {
2314 if (*++ea.arg != '>') /* typed wrong */
2315 {
2316 errormsg = (char_u *)_("E494: Use w or w>>");
2317 goto doend;
2318 }
2319 ea.arg = skipwhite(ea.arg + 1);
2320 ea.append = TRUE;
2321 }
2322 else if (*ea.arg == '!' && ea.cmdidx == CMD_write) /* :w !filter */
2323 {
2324 ++ea.arg;
2325 ea.usefilter = TRUE;
2326 }
2327 }
2328
2329 if (ea.cmdidx == CMD_read)
2330 {
2331 if (ea.forceit)
2332 {
2333 ea.usefilter = TRUE; /* :r! filter if ea.forceit */
2334 ea.forceit = FALSE;
2335 }
2336 else if (*ea.arg == '!') /* :r !filter */
2337 {
2338 ++ea.arg;
2339 ea.usefilter = TRUE;
2340 }
2341 }
2342
2343 if (ea.cmdidx == CMD_lshift || ea.cmdidx == CMD_rshift)
2344 {
2345 ea.amount = 1;
2346 while (*ea.arg == *ea.cmd) /* count number of '>' or '<' */
2347 {
2348 ++ea.arg;
2349 ++ea.amount;
2350 }
2351 ea.arg = skipwhite(ea.arg);
2352 }
2353
2354 /*
2355 * Check for "+command" argument, before checking for next command.
2356 * Don't do this for ":read !cmd" and ":write !cmd".
2357 */
2358 if ((ea.argt & EDITCMD) && !ea.usefilter)
2359 ea.do_ecmd_cmd = getargcmd(&ea.arg);
2360
2361 /*
2362 * Check for '|' to separate commands and '"' to start comments.
2363 * Don't do this for ":read !cmd" and ":write !cmd".
2364 */
2365 if ((ea.argt & TRLBAR) && !ea.usefilter)
2366 separate_nextcmd(&ea);
2367
2368 /*
2369 * Check for <newline> to end a shell command.
2370 * Also do this for ":read !cmd", ":write !cmd" and ":global".
2371 * Any others?
2372 */
2373 else if (ea.cmdidx == CMD_bang
2374 || ea.cmdidx == CMD_global
2375 || ea.cmdidx == CMD_vglobal
2376 || ea.usefilter)
2377 {
2378 for (p = ea.arg; *p; ++p)
2379 {
2380 /* Remove one backslash before a newline, so that it's possible to
2381 * pass a newline to the shell and also a newline that is preceded
2382 * with a backslash. This makes it impossible to end a shell
2383 * command in a backslash, but that doesn't appear useful.
2384 * Halving the number of backslashes is incompatible with previous
2385 * versions. */
2386 if (*p == '\\' && p[1] == '\n')
2387 STRMOVE(p, p + 1);
2388 else if (*p == '\n')
2389 {
2390 ea.nextcmd = p + 1;
2391 *p = NUL;
2392 break;
2393 }
2394 }
2395 }
2396
2397 if ((ea.argt & DFLALL) && ea.addr_count == 0)
2398 {
2399 ea.line1 = 1;
2400 ea.line2 = curbuf->b_ml.ml_line_count;
2401 }
2402
2403 /* accept numbered register only when no count allowed (:put) */
2404 if ( (ea.argt & REGSTR)
2405 && *ea.arg != NUL
2406 #ifdef FEAT_USR_CMDS
2407 && valid_yank_reg(*ea.arg, (ea.cmdidx != CMD_put
2408 && USER_CMDIDX(ea.cmdidx)))
2409 /* Do not allow register = for user commands */
2410 && (!USER_CMDIDX(ea.cmdidx) || *ea.arg != '=')
2411 #else
2412 && valid_yank_reg(*ea.arg, ea.cmdidx != CMD_put)
2413 #endif
2414 && !((ea.argt & COUNT) && VIM_ISDIGIT(*ea.arg)))
2415 {
2416 ea.regname = *ea.arg++;
2417 #ifdef FEAT_EVAL
2418 /* for '=' register: accept the rest of the line as an expression */
2419 if (ea.arg[-1] == '=' && ea.arg[0] != NUL)
2420 {
2421 set_expr_line(vim_strsave(ea.arg));
2422 ea.arg += STRLEN(ea.arg);
2423 }
2424 #endif
2425 ea.arg = skipwhite(ea.arg);
2426 }
2427
2428 /*
2429 * Check for a count. When accepting a BUFNAME, don't use "123foo" as a
2430 * count, it's a buffer name.
2431 */
2432 if ((ea.argt & COUNT) && VIM_ISDIGIT(*ea.arg)
2433 && (!(ea.argt & BUFNAME) || *(p = skipdigits(ea.arg)) == NUL
2434 || vim_iswhite(*p)))
2435 {
2436 n = getdigits(&ea.arg);
2437 ea.arg = skipwhite(ea.arg);
2438 if (n <= 0 && !ni && (ea.argt & ZEROR) == 0)
2439 {
2440 errormsg = (char_u *)_(e_zerocount);
2441 goto doend;
2442 }
2443 if (ea.argt & NOTADR) /* e.g. :buffer 2, :sleep 3 */
2444 {
2445 ea.line2 = n;
2446 if (ea.addr_count == 0)
2447 ea.addr_count = 1;
2448 }
2449 else
2450 {
2451 ea.line1 = ea.line2;
2452 ea.line2 += n - 1;
2453 ++ea.addr_count;
2454 /*
2455 * Be vi compatible: no error message for out of range.
2456 */
2457 if (ea.line2 > curbuf->b_ml.ml_line_count)
2458 ea.line2 = curbuf->b_ml.ml_line_count;
2459 }
2460 }
2461
2462 /*
2463 * Check for flags: 'l', 'p' and '#'.
2464 */
2465 if (ea.argt & EXFLAGS)
2466 get_flags(&ea);
2467 /* no arguments allowed */
2468 if (!ni && !(ea.argt & EXTRA) && *ea.arg != NUL
2469 && *ea.arg != '"' && (*ea.arg != '|' || (ea.argt & TRLBAR) == 0))
2470 {
2471 errormsg = (char_u *)_(e_trailing);
2472 goto doend;
2473 }
2474
2475 if (!ni && (ea.argt & NEEDARG) && *ea.arg == NUL)
2476 {
2477 errormsg = (char_u *)_(e_argreq);
2478 goto doend;
2479 }
2480
2481 #ifdef FEAT_EVAL
2482 /*
2483 * Skip the command when it's not going to be executed.
2484 * The commands like :if, :endif, etc. always need to be executed.
2485 * Also make an exception for commands that handle a trailing command
2486 * themselves.
2487 */
2488 if (ea.skip)
2489 {
2490 switch (ea.cmdidx)
2491 {
2492 /* commands that need evaluation */
2493 case CMD_while:
2494 case CMD_endwhile:
2495 case CMD_for:
2496 case CMD_endfor:
2497 case CMD_if:
2498 case CMD_elseif:
2499 case CMD_else:
2500 case CMD_endif:
2501 case CMD_try:
2502 case CMD_catch:
2503 case CMD_finally:
2504 case CMD_endtry:
2505 case CMD_function:
2506 break;
2507
2508 /* Commands that handle '|' themselves. Check: A command should
2509 * either have the TRLBAR flag, appear in this list or appear in
2510 * the list at ":help :bar". */
2511 case CMD_aboveleft:
2512 case CMD_and:
2513 case CMD_belowright:
2514 case CMD_botright:
2515 case CMD_browse:
2516 case CMD_call:
2517 case CMD_confirm:
2518 case CMD_delfunction:
2519 case CMD_djump:
2520 case CMD_dlist:
2521 case CMD_dsearch:
2522 case CMD_dsplit:
2523 case CMD_echo:
2524 case CMD_echoerr:
2525 case CMD_echomsg:
2526 case CMD_echon:
2527 case CMD_execute:
2528 case CMD_help:
2529 case CMD_hide:
2530 case CMD_ijump:
2531 case CMD_ilist:
2532 case CMD_isearch:
2533 case CMD_isplit:
2534 case CMD_keepalt:
2535 case CMD_keepjumps:
2536 case CMD_keepmarks:
2537 case CMD_leftabove:
2538 case CMD_let:
2539 case CMD_lockmarks:
2540 case CMD_match:
2541 case CMD_mzscheme:
2542 case CMD_perl:
2543 case CMD_psearch:
2544 case CMD_python:
2545 case CMD_return:
2546 case CMD_rightbelow:
2547 case CMD_ruby:
2548 case CMD_silent:
2549 case CMD_smagic:
2550 case CMD_snomagic:
2551 case CMD_substitute:
2552 case CMD_syntax:
2553 case CMD_tab:
2554 case CMD_tcl:
2555 case CMD_throw:
2556 case CMD_tilde:
2557 case CMD_topleft:
2558 case CMD_unlet:
2559 case CMD_verbose:
2560 case CMD_vertical:
2561 break;
2562
2563 default: goto doend;
2564 }
2565 }
2566 #endif
2567
2568 if (ea.argt & XFILE)
2569 {
2570 if (expand_filename(&ea, cmdlinep, &errormsg) == FAIL)
2571 goto doend;
2572 }
2573
2574 #ifdef FEAT_LISTCMDS
2575 /*
2576 * Accept buffer name. Cannot be used at the same time with a buffer
2577 * number. Don't do this for a user command.
2578 */
2579 if ((ea.argt & BUFNAME) && *ea.arg != NUL && ea.addr_count == 0
2580 # ifdef FEAT_USR_CMDS
2581 && !USER_CMDIDX(ea.cmdidx)
2582 # endif
2583 )
2584 {
2585 /*
2586 * :bdelete, :bwipeout and :bunload take several arguments, separated
2587 * by spaces: find next space (skipping over escaped characters).
2588 * The others take one argument: ignore trailing spaces.
2589 */
2590 if (ea.cmdidx == CMD_bdelete || ea.cmdidx == CMD_bwipeout
2591 || ea.cmdidx == CMD_bunload)
2592 p = skiptowhite_esc(ea.arg);
2593 else
2594 {
2595 p = ea.arg + STRLEN(ea.arg);
2596 while (p > ea.arg && vim_iswhite(p[-1]))
2597 --p;
2598 }
2599 ea.line2 = buflist_findpat(ea.arg, p, (ea.argt & BUFUNL) != 0, FALSE);
2600 if (ea.line2 < 0) /* failed */
2601 goto doend;
2602 ea.addr_count = 1;
2603 ea.arg = skipwhite(p);
2604 }
2605 #endif
2606
2607 /*
2608 * 6. switch on command name
2609 *
2610 * The "ea" structure holds the arguments that can be used.
2611 */
2612 ea.cmdlinep = cmdlinep;
2613 ea.getline = fgetline;
2614 ea.cookie = cookie;
2615 #ifdef FEAT_EVAL
2616 ea.cstack = cstack;
2617 #endif
2618
2619 #ifdef FEAT_USR_CMDS
2620 if (USER_CMDIDX(ea.cmdidx))
2621 {
2622 /*
2623 * Execute a user-defined command.
2624 */
2625 do_ucmd(&ea);
2626 }
2627 else
2628 #endif
2629 {
2630 /*
2631 * Call the function to execute the command.
2632 */
2633 ea.errmsg = NULL;
2634 (cmdnames[ea.cmdidx].cmd_func)(&ea);
2635 if (ea.errmsg != NULL)
2636 errormsg = (char_u *)_(ea.errmsg);
2637 }
2638
2639 #ifdef FEAT_EVAL
2640 /*
2641 * If the command just executed called do_cmdline(), any throw or ":return"
2642 * or ":finish" encountered there must also check the cstack of the still
2643 * active do_cmdline() that called this do_one_cmd(). Rethrow an uncaught
2644 * exception, or reanimate a returned function or finished script file and
2645 * return or finish it again.
2646 */
2647 if (need_rethrow)
2648 do_throw(cstack);
2649 else if (check_cstack)
2650 {
2651 if (source_finished(fgetline, cookie))
2652 do_finish(&ea, TRUE);
2653 else if (getline_equal(fgetline, cookie, get_func_line)
2654 && current_func_returned())
2655 do_return(&ea, TRUE, FALSE, NULL);
2656 }
2657 need_rethrow = check_cstack = FALSE;
2658 #endif
2659
2660 doend:
2661 if (curwin->w_cursor.lnum == 0) /* can happen with zero line number */
2662 curwin->w_cursor.lnum = 1;
2663
2664 if (errormsg != NULL && *errormsg != NUL && !did_emsg)
2665 {
2666 if (sourcing)
2667 {
2668 if (errormsg != IObuff)
2669 {
2670 STRCPY(IObuff, errormsg);
2671 errormsg = IObuff;
2672 }
2673 STRCAT(errormsg, ": ");
2674 STRNCAT(errormsg, *cmdlinep, IOSIZE - STRLEN(IObuff) - 1);
2675 }
2676 emsg(errormsg);
2677 }
2678 #ifdef FEAT_EVAL
2679 do_errthrow(cstack,
2680 (ea.cmdidx != CMD_SIZE
2681 # ifdef FEAT_USR_CMDS
2682 && !USER_CMDIDX(ea.cmdidx)
2683 # endif
2684 ) ? cmdnames[(int)ea.cmdidx].cmd_name : (char_u *)NULL);
2685 #endif
2686
2687 if (verbose_save >= 0)
2688 p_verbose = verbose_save;
2689 #ifdef FEAT_AUTOCMD
2690 if (cmdmod.save_ei != NULL)
2691 {
2692 /* Restore 'eventignore' to the value before ":noautocmd". */
2693 set_string_option_direct((char_u *)"ei", -1, cmdmod.save_ei,
2694 OPT_FREE, SID_NONE);
2695 free_string_option(cmdmod.save_ei);
2696 }
2697 #endif
2698
2699 cmdmod = save_cmdmod;
2700
2701 if (save_msg_silent != -1)
2702 {
2703 /* messages could be enabled for a serious error, need to check if the
2704 * counters don't become negative */
2705 if (!did_emsg)
2706 msg_silent = save_msg_silent;
2707 emsg_silent -= did_esilent;
2708 if (emsg_silent < 0)
2709 emsg_silent = 0;
2710 /* Restore msg_scroll, it's set by file I/O commands, even when no
2711 * message is actually displayed. */
2712 msg_scroll = save_msg_scroll;
2713
2714 /* "silent reg" or "silent echo x" inside "redir" leaves msg_col
2715 * somewhere in the line. Put it back in the first column. */
2716 if (redirecting())
2717 msg_col = 0;
2718 }
2719
2720 #ifdef HAVE_SANDBOX
2721 if (did_sandbox)
2722 --sandbox;
2723 #endif
2724
2725 if (ea.nextcmd && *ea.nextcmd == NUL) /* not really a next command */
2726 ea.nextcmd = NULL;
2727
2728 #ifdef FEAT_EVAL
2729 --ex_nesting_level;
2730 #endif
2731
2732 return ea.nextcmd;
2733 }
2734 #if (_MSC_VER == 1200)
2735 #pragma optimize( "", on )
2736 #endif
2737
2738 /*
2739 * Check for an Ex command with optional tail.
2740 * If there is a match advance "pp" to the argument and return TRUE.
2741 */
2742 int
2743 checkforcmd(pp, cmd, len)
2744 char_u **pp; /* start of command */
2745 char *cmd; /* name of command */
2746 int len; /* required length */
2747 {
2748 int i;
2749
2750 for (i = 0; cmd[i] != NUL; ++i)
2751 if (((char_u *)cmd)[i] != (*pp)[i])
2752 break;
2753 if (i >= len && !isalpha((*pp)[i]))
2754 {
2755 *pp = skipwhite(*pp + i);
2756 return TRUE;
2757 }
2758 return FALSE;
2759 }
2760
2761 /*
2762 * Find an Ex command by its name, either built-in or user.
2763 * Start of the name can be found at eap->cmd.
2764 * Returns pointer to char after the command name.
2765 * "full" is set to TRUE if the whole command name matched.
2766 * Returns NULL for an ambiguous user command.
2767 */
2768 static char_u *
2769 find_command(eap, full)
2770 exarg_T *eap;
2771 int *full UNUSED;
2772 {
2773 int len;
2774 char_u *p;
2775 int i;
2776
2777 /*
2778 * Isolate the command and search for it in the command table.
2779 * Exceptions:
2780 * - the 'k' command can directly be followed by any character.
2781 * - the 's' command can be followed directly by 'c', 'g', 'i', 'I' or 'r'
2782 * but :sre[wind] is another command, as are :scrip[tnames],
2783 * :scs[cope], :sim[alt], :sig[ns] and :sil[ent].
2784 * - the "d" command can directly be followed by 'l' or 'p' flag.
2785 */
2786 p = eap->cmd;
2787 if (*p == 'k')
2788 {
2789 eap->cmdidx = CMD_k;
2790 ++p;
2791 }
2792 else if (p[0] == 's'
2793 && ((p[1] == 'c' && p[2] != 's' && p[2] != 'r'
2794 && p[3] != 'i' && p[4] != 'p')
2795 || p[1] == 'g'
2796 || (p[1] == 'i' && p[2] != 'm' && p[2] != 'l' && p[2] != 'g')
2797 || p[1] == 'I'
2798 || (p[1] == 'r' && p[2] != 'e')))
2799 {
2800 eap->cmdidx = CMD_substitute;
2801 ++p;
2802 }
2803 else
2804 {
2805 while (ASCII_ISALPHA(*p))
2806 ++p;
2807 /* check for non-alpha command */
2808 if (p == eap->cmd && vim_strchr((char_u *)"@*!=><&~#", *p) != NULL)
2809 ++p;
2810 len = (int)(p - eap->cmd);
2811 if (*eap->cmd == 'd' && (p[-1] == 'l' || p[-1] == 'p'))
2812 {
2813 /* Check for ":dl", ":dell", etc. to ":deletel": that's
2814 * :delete with the 'l' flag. Same for 'p'. */
2815 for (i = 0; i < len; ++i)
2816 if (eap->cmd[i] != ((char_u *)"delete")[i])
2817 break;
2818 if (i == len - 1)
2819 {
2820 --len;
2821 if (p[-1] == 'l')
2822 eap->flags |= EXFLAG_LIST;
2823 else
2824 eap->flags |= EXFLAG_PRINT;
2825 }
2826 }
2827
2828 if (ASCII_ISLOWER(*eap->cmd))
2829 eap->cmdidx = cmdidxs[CharOrdLow(*eap->cmd)];
2830 else
2831 eap->cmdidx = cmdidxs[26];
2832
2833 for ( ; (int)eap->cmdidx < (int)CMD_SIZE;
2834 eap->cmdidx = (cmdidx_T)((int)eap->cmdidx + 1))
2835 if (STRNCMP(cmdnames[(int)eap->cmdidx].cmd_name, (char *)eap->cmd,
2836 (size_t)len) == 0)
2837 {
2838 #ifdef FEAT_EVAL
2839 if (full != NULL
2840 && cmdnames[(int)eap->cmdidx].cmd_name[len] == NUL)
2841 *full = TRUE;
2842 #endif
2843 break;
2844 }
2845
2846 #ifdef FEAT_USR_CMDS
2847 /* Look for a user defined command as a last resort */
2848 if (eap->cmdidx == CMD_SIZE && *eap->cmd >= 'A' && *eap->cmd <= 'Z')
2849 {
2850 /* User defined commands may contain digits. */
2851 while (ASCII_ISALNUM(*p))
2852 ++p;
2853 p = find_ucmd(eap, p, full, NULL, NULL);
2854 }
2855 #endif
2856 if (p == eap->cmd)
2857 eap->cmdidx = CMD_SIZE;
2858 }
2859
2860 return p;
2861 }
2862
2863 #ifdef FEAT_USR_CMDS
2864 /*
2865 * Search for a user command that matches "eap->cmd".
2866 * Return cmdidx in "eap->cmdidx", flags in "eap->argt", idx in "eap->useridx".
2867 * Return a pointer to just after the command.
2868 * Return NULL if there is no matching command.
2869 */
2870 static char_u *
2871 find_ucmd(eap, p, full, xp, compl)
2872 exarg_T *eap;
2873 char_u *p; /* end of the command (possibly including count) */
2874 int *full; /* set to TRUE for a full match */
2875 expand_T *xp; /* used for completion, NULL otherwise */
2876 int *compl; /* completion flags or NULL */
2877 {
2878 int len = (int)(p - eap->cmd);
2879 int j, k, matchlen = 0;
2880 ucmd_T *uc;
2881 int found = FALSE;
2882 int possible = FALSE;
2883 char_u *cp, *np; /* Point into typed cmd and test name */
2884 garray_T *gap;
2885 int amb_local = FALSE; /* Found ambiguous buffer-local command,
2886 only full match global is accepted. */
2887
2888 /*
2889 * Look for buffer-local user commands first, then global ones.
2890 */
2891 gap = &curbuf->b_ucmds;
2892 for (;;)
2893 {
2894 for (j = 0; j < gap->ga_len; ++j)
2895 {
2896 uc = USER_CMD_GA(gap, j);
2897 cp = eap->cmd;
2898 np = uc->uc_name;
2899 k = 0;
2900 while (k < len && *np != NUL && *cp++ == *np++)
2901 k++;
2902 if (k == len || (*np == NUL && vim_isdigit(eap->cmd[k])))
2903 {
2904 /* If finding a second match, the command is ambiguous. But
2905 * not if a buffer-local command wasn't a full match and a
2906 * global command is a full match. */
2907 if (k == len && found && *np != NUL)
2908 {
2909 if (gap == &ucmds)
2910 return NULL;
2911 amb_local = TRUE;
2912 }
2913
2914 if (!found || (k == len && *np == NUL))
2915 {
2916 /* If we matched up to a digit, then there could
2917 * be another command including the digit that we
2918 * should use instead.
2919 */
2920 if (k == len)
2921 found = TRUE;
2922 else
2923 possible = TRUE;
2924
2925 if (gap == &ucmds)
2926 eap->cmdidx = CMD_USER;
2927 else
2928 eap->cmdidx = CMD_USER_BUF;
2929 eap->argt = (long)uc->uc_argt;
2930 eap->useridx = j;
2931
2932 # ifdef FEAT_CMDL_COMPL
2933 if (compl != NULL)
2934 *compl = uc->uc_compl;
2935 # ifdef FEAT_EVAL
2936 if (xp != NULL)
2937 {
2938 xp->xp_arg = uc->uc_compl_arg;
2939 xp->xp_scriptID = uc->uc_scriptID;
2940 }
2941 # endif
2942 # endif
2943 /* Do not search for further abbreviations
2944 * if this is an exact match. */
2945 matchlen = k;
2946 if (k == len && *np == NUL)
2947 {
2948 if (full != NULL)
2949 *full = TRUE;
2950 amb_local = FALSE;
2951 break;
2952 }
2953 }
2954 }
2955 }
2956
2957 /* Stop if we found a full match or searched all. */
2958 if (j < gap->ga_len || gap == &ucmds)
2959 break;
2960 gap = &ucmds;
2961 }
2962
2963 /* Only found ambiguous matches. */
2964 if (amb_local)
2965 {
2966 if (xp != NULL)
2967 xp->xp_context = EXPAND_UNSUCCESSFUL;
2968 return NULL;
2969 }
2970
2971 /* The match we found may be followed immediately by a number. Move "p"
2972 * back to point to it. */
2973 if (found || possible)
2974 return p + (matchlen - len);
2975 return p;
2976 }
2977 #endif
2978
2979 #if defined(FEAT_EVAL) || defined(PROTO)
2980 static struct cmdmod
2981 {
2982 char *name;
2983 int minlen;
2984 int has_count; /* :123verbose :3tab */
2985 } cmdmods[] = {
2986 {"aboveleft", 3, FALSE},
2987 {"belowright", 3, FALSE},
2988 {"botright", 2, FALSE},
2989 {"browse", 3, FALSE},
2990 {"confirm", 4, FALSE},
2991 {"hide", 3, FALSE},
2992 {"keepalt", 5, FALSE},
2993 {"keepjumps", 5, FALSE},
2994 {"keepmarks", 3, FALSE},
2995 {"leftabove", 5, FALSE},
2996 {"lockmarks", 3, FALSE},
2997 {"noautocmd", 3, FALSE},
2998 {"rightbelow", 6, FALSE},
2999 {"sandbox", 3, FALSE},
3000 {"silent", 3, FALSE},
3001 {"tab", 3, TRUE},
3002 {"topleft", 2, FALSE},
3003 {"unsilent", 3, FALSE},
3004 {"verbose", 4, TRUE},
3005 {"vertical", 4, FALSE},
3006 };
3007
3008 /*
3009 * Return length of a command modifier (including optional count).
3010 * Return zero when it's not a modifier.
3011 */
3012 int
3013 modifier_len(cmd)
3014 char_u *cmd;
3015 {
3016 int i, j;
3017 char_u *p = cmd;
3018
3019 if (VIM_ISDIGIT(*cmd))
3020 p = skipwhite(skipdigits(cmd));
3021 for (i = 0; i < (int)(sizeof(cmdmods) / sizeof(struct cmdmod)); ++i)
3022 {
3023 for (j = 0; p[j] != NUL; ++j)
3024 if (p[j] != cmdmods[i].name[j])
3025 break;
3026 if (!isalpha(p[j]) && j >= cmdmods[i].minlen
3027 && (p == cmd || cmdmods[i].has_count))
3028 return j + (int)(p - cmd);
3029 }
3030 return 0;
3031 }
3032
3033 /*
3034 * Return > 0 if an Ex command "name" exists.
3035 * Return 2 if there is an exact match.
3036 * Return 3 if there is an ambiguous match.
3037 */
3038 int
3039 cmd_exists(name)
3040 char_u *name;
3041 {
3042 exarg_T ea;
3043 int full = FALSE;
3044 int i;
3045 int j;
3046 char_u *p;
3047
3048 /* Check command modifiers. */
3049 for (i = 0; i < (int)(sizeof(cmdmods) / sizeof(struct cmdmod)); ++i)
3050 {
3051 for (j = 0; name[j] != NUL; ++j)
3052 if (name[j] != cmdmods[i].name[j])
3053 break;
3054 if (name[j] == NUL && j >= cmdmods[i].minlen)
3055 return (cmdmods[i].name[j] == NUL ? 2 : 1);
3056 }
3057
3058 /* Check built-in commands and user defined commands.
3059 * For ":2match" and ":3match" we need to skip the number. */
3060 ea.cmd = (*name == '2' || *name == '3') ? name + 1 : name;
3061 ea.cmdidx = (cmdidx_T)0;
3062 p = find_command(&ea, &full);
3063 if (p == NULL)
3064 return 3;
3065 if (vim_isdigit(*name) && ea.cmdidx != CMD_match)
3066 return 0;
3067 if (*skipwhite(p) != NUL)
3068 return 0; /* trailing garbage */
3069 return (ea.cmdidx == CMD_SIZE ? 0 : (full ? 2 : 1));
3070 }
3071 #endif
3072
3073 /*
3074 * This is all pretty much copied from do_one_cmd(), with all the extra stuff
3075 * we don't need/want deleted. Maybe this could be done better if we didn't
3076 * repeat all this stuff. The only problem is that they may not stay
3077 * perfectly compatible with each other, but then the command line syntax
3078 * probably won't change that much -- webb.
3079 */
3080 char_u *
3081 set_one_cmd_context(xp, buff)
3082 expand_T *xp;
3083 char_u *buff; /* buffer for command string */
3084 {
3085 char_u *p;
3086 char_u *cmd, *arg;
3087 int len = 0;
3088 exarg_T ea;
3089 #if defined(FEAT_USR_CMDS) && defined(FEAT_CMDL_COMPL)
3090 int compl = EXPAND_NOTHING;
3091 #endif
3092 #ifdef FEAT_CMDL_COMPL
3093 int delim;
3094 #endif
3095 int forceit = FALSE;
3096 int usefilter = FALSE; /* filter instead of file name */
3097
3098 ExpandInit(xp);
3099 xp->xp_pattern = buff;
3100 xp->xp_context = EXPAND_COMMANDS; /* Default until we get past command */
3101 ea.argt = 0;
3102
3103 /*
3104 * 2. skip comment lines and leading space, colons or bars
3105 */
3106 for (cmd = buff; vim_strchr((char_u *)" \t:|", *cmd) != NULL; cmd++)
3107 ;
3108 xp->xp_pattern = cmd;
3109
3110 if (*cmd == NUL)
3111 return NULL;
3112 if (*cmd == '"') /* ignore comment lines */
3113 {
3114 xp->xp_context = EXPAND_NOTHING;
3115 return NULL;
3116 }
3117
3118 /*
3119 * 3. parse a range specifier of the form: addr [,addr] [;addr] ..
3120 */
3121 cmd = skip_range(cmd, &xp->xp_context);
3122
3123 /*
3124 * 4. parse command
3125 */
3126 xp->xp_pattern = cmd;
3127 if (*cmd == NUL)
3128 return NULL;
3129 if (*cmd == '"')
3130 {
3131 xp->xp_context = EXPAND_NOTHING;
3132 return NULL;
3133 }
3134
3135 if (*cmd == '|' || *cmd == '\n')
3136 return cmd + 1; /* There's another command */
3137
3138 /*
3139 * Isolate the command and search for it in the command table.
3140 * Exceptions:
3141 * - the 'k' command can directly be followed by any character, but
3142 * do accept "keepmarks", "keepalt" and "keepjumps".
3143 * - the 's' command can be followed directly by 'c', 'g', 'i', 'I' or 'r'
3144 */
3145 if (*cmd == 'k' && cmd[1] != 'e')
3146 {
3147 ea.cmdidx = CMD_k;
3148 p = cmd + 1;
3149 }
3150 else
3151 {
3152 p = cmd;
3153 while (ASCII_ISALPHA(*p) || *p == '*') /* Allow * wild card */
3154 ++p;
3155 /* check for non-alpha command */
3156 if (p == cmd && vim_strchr((char_u *)"@*!=><&~#", *p) != NULL)
3157 ++p;
3158 len = (int)(p - cmd);
3159
3160 if (len == 0)
3161 {
3162 xp->xp_context = EXPAND_UNSUCCESSFUL;
3163 return NULL;
3164 }
3165 for (ea.cmdidx = (cmdidx_T)0; (int)ea.cmdidx < (int)CMD_SIZE;
3166 ea.cmdidx = (cmdidx_T)((int)ea.cmdidx + 1))
3167 if (STRNCMP(cmdnames[(int)ea.cmdidx].cmd_name, cmd, (size_t)len) == 0)
3168 break;
3169
3170 #ifdef FEAT_USR_CMDS
3171 if (cmd[0] >= 'A' && cmd[0] <= 'Z')
3172 {
3173 while (ASCII_ISALNUM(*p) || *p == '*') /* Allow * wild card */
3174 ++p;
3175 len = (int)(p - cmd);
3176 }
3177 #endif
3178 }
3179
3180 /*
3181 * If the cursor is touching the command, and it ends in an alpha-numeric
3182 * character, complete the command name.
3183 */
3184 if (*p == NUL && ASCII_ISALNUM(p[-1]))
3185 return NULL;
3186
3187 if (ea.cmdidx == CMD_SIZE)
3188 {
3189 if (*cmd == 's' && vim_strchr((char_u *)"cgriI", cmd[1]) != NULL)
3190 {
3191 ea.cmdidx = CMD_substitute;
3192 p = cmd + 1;
3193 }
3194 #ifdef FEAT_USR_CMDS
3195 else if (cmd[0] >= 'A' && cmd[0] <= 'Z')
3196 {
3197 ea.cmd = cmd;
3198 p = find_ucmd(&ea, p, NULL, xp,
3199 # if defined(FEAT_CMDL_COMPL)
3200 &compl
3201 # else
3202 NULL
3203 # endif
3204 );
3205 if (p == NULL)
3206 ea.cmdidx = CMD_SIZE; /* ambiguous user command */
3207 }
3208 #endif
3209 }
3210 if (ea.cmdidx == CMD_SIZE)
3211 {
3212 /* Not still touching the command and it was an illegal one */
3213 xp->xp_context = EXPAND_UNSUCCESSFUL;
3214 return NULL;
3215 }
3216
3217 xp->xp_context = EXPAND_NOTHING; /* Default now that we're past command */
3218
3219 if (*p == '!') /* forced commands */
3220 {
3221 forceit = TRUE;
3222 ++p;
3223 }
3224
3225 /*
3226 * 5. parse arguments
3227 */
3228 #ifdef FEAT_USR_CMDS
3229 if (!USER_CMDIDX(ea.cmdidx))
3230 #endif
3231 ea.argt = (long)cmdnames[(int)ea.cmdidx].cmd_argt;
3232
3233 arg = skipwhite(p);
3234
3235 if (ea.cmdidx == CMD_write || ea.cmdidx == CMD_update)
3236 {
3237 if (*arg == '>') /* append */
3238 {
3239 if (*++arg == '>')
3240 ++arg;
3241 arg = skipwhite(arg);
3242 }
3243 else if (*arg == '!' && ea.cmdidx == CMD_write) /* :w !filter */
3244 {
3245 ++arg;
3246 usefilter = TRUE;
3247 }
3248 }
3249
3250 if (ea.cmdidx == CMD_read)
3251 {
3252 usefilter = forceit; /* :r! filter if forced */
3253 if (*arg == '!') /* :r !filter */
3254 {
3255 ++arg;
3256 usefilter = TRUE;
3257 }
3258 }
3259
3260 if (ea.cmdidx == CMD_lshift || ea.cmdidx == CMD_rshift)
3261 {
3262 while (*arg == *cmd) /* allow any number of '>' or '<' */
3263 ++arg;
3264 arg = skipwhite(arg);
3265 }
3266
3267 /* Does command allow "+command"? */
3268 if ((ea.argt & EDITCMD) && !usefilter && *arg == '+')
3269 {
3270 /* Check if we're in the +command */
3271 p = arg + 1;
3272 arg = skip_cmd_arg(arg, FALSE);
3273
3274 /* Still touching the command after '+'? */
3275 if (*arg == NUL)
3276 return p;
3277
3278 /* Skip space(s) after +command to get to the real argument */
3279 arg = skipwhite(arg);
3280 }
3281
3282 /*
3283 * Check for '|' to separate commands and '"' to start comments.
3284 * Don't do this for ":read !cmd" and ":write !cmd".
3285 */
3286 if ((ea.argt & TRLBAR) && !usefilter)
3287 {
3288 p = arg;
3289 /* ":redir @" is not the start of a comment */
3290 if (ea.cmdidx == CMD_redir && p[0] == '@' && p[1] == '"')
3291 p += 2;
3292 while (*p)
3293 {
3294 if (*p == Ctrl_V)
3295 {
3296 if (p[1] != NUL)
3297 ++p;
3298 }
3299 else if ( (*p == '"' && !(ea.argt & NOTRLCOM))
3300 || *p == '|' || *p == '\n')
3301 {
3302 if (*(p - 1) != '\\')
3303 {
3304 if (*p == '|' || *p == '\n')
3305 return p + 1;
3306 return NULL; /* It's a comment */
3307 }
3308 }
3309 mb_ptr_adv(p);
3310 }
3311 }
3312
3313 /* no arguments allowed */
3314 if (!(ea.argt & EXTRA) && *arg != NUL &&
3315 vim_strchr((char_u *)"|\"", *arg) == NULL)
3316 return NULL;
3317
3318 /* Find start of last argument (argument just before cursor): */
3319 p = buff + STRLEN(buff);
3320 while (p != arg && *p != ' ' && *p != TAB)
3321 p--;
3322 if (*p == ' ' || *p == TAB)
3323 p++;
3324 xp->xp_pattern = p;
3325
3326 if (ea.argt & XFILE)
3327 {
3328 int c;
3329 int in_quote = FALSE;
3330 char_u *bow = NULL; /* Beginning of word */
3331
3332 /*
3333 * Allow spaces within back-quotes to count as part of the argument
3334 * being expanded.
3335 */
3336 xp->xp_pattern = skipwhite(arg);
3337 p = xp->xp_pattern;
3338 while (*p != NUL)
3339 {
3340 #ifdef FEAT_MBYTE
3341 if (has_mbyte)
3342 c = mb_ptr2char(p);
3343 else
3344 #endif
3345 c = *p;
3346 if (c == '\\' && p[1] != NUL)
3347 ++p;
3348 else if (c == '`')
3349 {
3350 if (!in_quote)
3351 {
3352 xp->xp_pattern = p;
3353 bow = p + 1;
3354 }
3355 in_quote = !in_quote;
3356 }
3357 /* An argument can contain just about everything, except
3358 * characters that end the command and white space. */
3359 else if (c == '|' || c == '\n' || c == '"' || (vim_iswhite(c)
3360 #ifdef SPACE_IN_FILENAME
3361 && (!(ea.argt & NOSPC) || usefilter)
3362 #endif
3363 ))
3364 {
3365 len = 0; /* avoid getting stuck when space is in 'isfname' */
3366 while (*p != NUL)
3367 {
3368 #ifdef FEAT_MBYTE
3369 if (has_mbyte)
3370 c = mb_ptr2char(p);
3371 else
3372 #endif
3373 c = *p;
3374 if (c == '`' || vim_isfilec_or_wc(c))
3375 break;
3376 #ifdef FEAT_MBYTE
3377 if (has_mbyte)
3378 len = (*mb_ptr2len)(p);
3379 else
3380 #endif
3381 len = 1;
3382 mb_ptr_adv(p);
3383 }
3384 if (in_quote)
3385 bow = p;
3386 else
3387 xp->xp_pattern = p;
3388 p -= len;
3389 }
3390 mb_ptr_adv(p);
3391 }
3392
3393 /*
3394 * If we are still inside the quotes, and we passed a space, just
3395 * expand from there.
3396 */
3397 if (bow != NULL && in_quote)
3398 xp->xp_pattern = bow;
3399 xp->xp_context = EXPAND_FILES;
3400
3401 #ifndef BACKSLASH_IN_FILENAME
3402 /* For a shell command more chars need to be escaped. */
3403 if (usefilter || ea.cmdidx == CMD_bang)
3404 {
3405 xp->xp_shell = TRUE;
3406
3407 /* When still after the command name expand executables. */
3408 if (xp->xp_pattern == skipwhite(arg))
3409 xp->xp_context = EXPAND_SHELLCMD;
3410 }
3411 #endif
3412
3413 /* Check for environment variable */
3414 if (*xp->xp_pattern == '$'
3415 #if defined(MSDOS) || defined(MSWIN) || defined(OS2)
3416 || *xp->xp_pattern == '%'
3417 #endif
3418 )
3419 {
3420 for (p = xp->xp_pattern + 1; *p != NUL; ++p)
3421 if (!vim_isIDc(*p))
3422 break;
3423 if (*p == NUL)
3424 {
3425 xp->xp_context = EXPAND_ENV_VARS;
3426 ++xp->xp_pattern;
3427 #if defined(FEAT_USR_CMDS) && defined(FEAT_CMDL_COMPL)
3428 /* Avoid that the assignment uses EXPAND_FILES again. */
3429 if (compl != EXPAND_USER_DEFINED && compl != EXPAND_USER_LIST)
3430 compl = EXPAND_ENV_VARS;
3431 #endif
3432 }
3433 }
3434 }
3435
3436 /*
3437 * 6. switch on command name
3438 */
3439 switch (ea.cmdidx)
3440 {
3441 case CMD_cd:
3442 case CMD_chdir:
3443 case CMD_lcd:
3444 case CMD_lchdir:
3445 if (xp->xp_context == EXPAND_FILES)
3446 xp->xp_context = EXPAND_DIRECTORIES;
3447 break;
3448 case CMD_help:
3449 xp->xp_context = EXPAND_HELP;
3450 xp->xp_pattern = arg;
3451 break;
3452
3453 /* Command modifiers: return the argument.
3454 * Also for commands with an argument that is a command. */
3455 case CMD_aboveleft:
3456 case CMD_argdo:
3457 case CMD_belowright:
3458 case CMD_botright:
3459 case CMD_browse:
3460 case CMD_bufdo:
3461 case CMD_confirm:
3462 case CMD_debug:
3463 case CMD_folddoclosed:
3464 case CMD_folddoopen:
3465 case CMD_hide:
3466 case CMD_keepalt:
3467 case CMD_keepjumps:
3468 case CMD_keepmarks:
3469 case CMD_leftabove:
3470 case CMD_lockmarks:
3471 case CMD_rightbelow:
3472 case CMD_sandbox:
3473 case CMD_silent:
3474 case CMD_tab:
3475 case CMD_topleft:
3476 case CMD_verbose:
3477 case CMD_vertical:
3478 case CMD_windo:
3479 return arg;
3480
3481 #ifdef FEAT_CMDL_COMPL
3482 # ifdef FEAT_SEARCH_EXTRA
3483 case CMD_match:
3484 if (*arg == NUL || !ends_excmd(*arg))
3485 {
3486 /* also complete "None" */
3487 set_context_in_echohl_cmd(xp, arg);
3488 arg = skipwhite(skiptowhite(arg));
3489 if (*arg != NUL)
3490 {
3491 xp->xp_context = EXPAND_NOTHING;
3492 arg = skip_regexp(arg + 1, *arg, p_magic, NULL);
3493 }
3494 }
3495 return find_nextcmd(arg);
3496 # endif
3497
3498 /*
3499 * All completion for the +cmdline_compl feature goes here.
3500 */
3501
3502 # ifdef FEAT_USR_CMDS
3503 case CMD_command:
3504 /* Check for attributes */
3505 while (*arg == '-')
3506 {
3507 arg++; /* Skip "-" */
3508 p = skiptowhite(arg);
3509 if (*p == NUL)
3510 {
3511 /* Cursor is still in the attribute */
3512 p = vim_strchr(arg, '=');
3513 if (p == NULL)
3514 {
3515 /* No "=", so complete attribute names */
3516 xp->xp_context = EXPAND_USER_CMD_FLAGS;
3517 xp->xp_pattern = arg;
3518 return NULL;
3519 }
3520
3521 /* For the -complete and -nargs attributes, we complete
3522 * their arguments as well.
3523 */
3524 if (STRNICMP(arg, "complete", p - arg) == 0)
3525 {
3526 xp->xp_context = EXPAND_USER_COMPLETE;
3527 xp->xp_pattern = p + 1;
3528 return NULL;
3529 }
3530 else if (STRNICMP(arg, "nargs", p - arg) == 0)
3531 {
3532 xp->xp_context = EXPAND_USER_NARGS;
3533 xp->xp_pattern = p + 1;
3534 return NULL;
3535 }
3536 return NULL;
3537 }
3538 arg = skipwhite(p);
3539 }
3540
3541 /* After the attributes comes the new command name */
3542 p = skiptowhite(arg);
3543 if (*p == NUL)
3544 {
3545 xp->xp_context = EXPAND_USER_COMMANDS;
3546 xp->xp_pattern = arg;
3547 break;
3548 }
3549
3550 /* And finally comes a normal command */
3551 return skipwhite(p);
3552
3553 case CMD_delcommand:
3554 xp->xp_context = EXPAND_USER_COMMANDS;
3555 xp->xp_pattern = arg;
3556 break;
3557 # endif
3558
3559 case CMD_global:
3560 case CMD_vglobal:
3561 delim = *arg; /* get the delimiter */
3562 if (delim)
3563 ++arg; /* skip delimiter if there is one */
3564
3565 while (arg[0] != NUL && arg[0] != delim)
3566 {
3567 if (arg[0] == '\\' && arg[1] != NUL)
3568 ++arg;
3569 ++arg;
3570 }
3571 if (arg[0] != NUL)
3572 return arg + 1;
3573 break;
3574 case CMD_and:
3575 case CMD_substitute:
3576 delim = *arg;
3577 if (delim)
3578 {
3579 /* skip "from" part */
3580 ++arg;
3581 arg = skip_regexp(arg, delim, p_magic, NULL);
3582 }
3583 /* skip "to" part */
3584 while (arg[0] != NUL && arg[0] != delim)
3585 {
3586 if (arg[0] == '\\' && arg[1] != NUL)
3587 ++arg;
3588 ++arg;
3589 }
3590 if (arg[0] != NUL) /* skip delimiter */
3591 ++arg;
3592 while (arg[0] && vim_strchr((char_u *)"|\"#", arg[0]) == NULL)
3593 ++arg;
3594 if (arg[0] != NUL)
3595 return arg;
3596 break;
3597 case CMD_isearch:
3598 case CMD_dsearch:
3599 case CMD_ilist:
3600 case CMD_dlist:
3601 case CMD_ijump:
3602 case CMD_psearch:
3603 case CMD_djump:
3604 case CMD_isplit:
3605 case CMD_dsplit:
3606 arg = skipwhite(skipdigits(arg)); /* skip count */
3607 if (*arg == '/') /* Match regexp, not just whole words */
3608 {
3609 for (++arg; *arg && *arg != '/'; arg++)
3610 if (*arg == '\\' && arg[1] != NUL)
3611 arg++;
3612 if (*arg)
3613 {
3614 arg = skipwhite(arg + 1);
3615
3616 /* Check for trailing illegal characters */
3617 if (*arg && vim_strchr((char_u *)"|\"\n", *arg) == NULL)
3618 xp->xp_context = EXPAND_NOTHING;
3619 else
3620 return arg;
3621 }
3622 }
3623 break;
3624 #ifdef FEAT_AUTOCMD
3625 case CMD_autocmd:
3626 return set_context_in_autocmd(xp, arg, FALSE);
3627
3628 case CMD_doautocmd:
3629 case CMD_doautoall:
3630 return set_context_in_autocmd(xp, arg, TRUE);
3631 #endif
3632 case CMD_set:
3633 set_context_in_set_cmd(xp, arg, 0);
3634 break;
3635 case CMD_setglobal:
3636 set_context_in_set_cmd(xp, arg, OPT_GLOBAL);
3637 break;
3638 case CMD_setlocal:
3639 set_context_in_set_cmd(xp, arg, OPT_LOCAL);
3640 break;
3641 case CMD_tag:
3642 case CMD_stag:
3643 case CMD_ptag:
3644 case CMD_ltag:
3645 case CMD_tselect:
3646 case CMD_stselect:
3647 case CMD_ptselect:
3648 case CMD_tjump:
3649 case CMD_stjump:
3650 case CMD_ptjump:
3651 if (*p_wop != NUL)
3652 xp->xp_context = EXPAND_TAGS_LISTFILES;
3653 else
3654 xp->xp_context = EXPAND_TAGS;
3655 xp->xp_pattern = arg;
3656 break;
3657 case CMD_augroup:
3658 xp->xp_context = EXPAND_AUGROUP;
3659 xp->xp_pattern = arg;
3660 break;
3661 #ifdef FEAT_SYN_HL
3662 case CMD_syntax:
3663 set_context_in_syntax_cmd(xp, arg);
3664 break;
3665 #endif
3666 #ifdef FEAT_EVAL
3667 case CMD_let:
3668 case CMD_if:
3669 case CMD_elseif:
3670 case CMD_while:
3671 case CMD_for:
3672 case CMD_echo:
3673 case CMD_echon:
3674 case CMD_execute:
3675 case CMD_echomsg:
3676 case CMD_echoerr:
3677 case CMD_call:
3678 case CMD_return:
3679 set_context_for_expression(xp, arg, ea.cmdidx);
3680 break;
3681
3682 case CMD_unlet:
3683 while ((xp->xp_pattern = vim_strchr(arg, ' ')) != NULL)
3684 arg = xp->xp_pattern + 1;
3685 xp->xp_context = EXPAND_USER_VARS;
3686 xp->xp_pattern = arg;
3687 break;
3688
3689 case CMD_function:
3690 case CMD_delfunction:
3691 xp->xp_context = EXPAND_USER_FUNC;
3692 xp->xp_pattern = arg;
3693 break;
3694
3695 case CMD_echohl:
3696 set_context_in_echohl_cmd(xp, arg);
3697 break;
3698 #endif
3699 case CMD_highlight:
3700 set_context_in_highlight_cmd(xp, arg);
3701 break;
3702 #ifdef FEAT_CSCOPE
3703 case CMD_cscope:
3704 case CMD_lcscope:
3705 case CMD_scscope:
3706 set_context_in_cscope_cmd(xp, arg, ea.cmdidx);
3707 break;
3708 #endif
3709 #ifdef FEAT_SIGNS
3710 case CMD_sign:
3711 set_context_in_sign_cmd(xp, arg);
3712 break;
3713 #endif
3714 #ifdef FEAT_LISTCMDS
3715 case CMD_bdelete:
3716 case CMD_bwipeout:
3717 case CMD_bunload:
3718 while ((xp->xp_pattern = vim_strchr(arg, ' ')) != NULL)
3719 arg = xp->xp_pattern + 1;
3720 /*FALLTHROUGH*/
3721 case CMD_buffer:
3722 case CMD_sbuffer:
3723 case CMD_checktime:
3724 xp->xp_context = EXPAND_BUFFERS;
3725 xp->xp_pattern = arg;
3726 break;
3727 #endif
3728 #ifdef FEAT_USR_CMDS
3729 case CMD_USER:
3730 case CMD_USER_BUF:
3731 if (compl != EXPAND_NOTHING)
3732 {
3733 /* XFILE: file names are handled above */
3734 if (!(ea.argt & XFILE))
3735 {
3736 # ifdef FEAT_MENU
3737 if (compl == EXPAND_MENUS)
3738 return set_context_in_menu_cmd(xp, cmd, arg, forceit);
3739 # endif
3740 if (compl == EXPAND_COMMANDS)
3741 return arg;
3742 if (compl == EXPAND_MAPPINGS)
3743 return set_context_in_map_cmd(xp, (char_u *)"map",
3744 arg, forceit, FALSE, FALSE, CMD_map);
3745 while ((xp->xp_pattern = vim_strchr(arg, ' ')) != NULL)
3746 arg = xp->xp_pattern + 1;
3747 xp->xp_pattern = arg;
3748 }
3749 xp->xp_context = compl;
3750 }
3751 break;
3752 #endif
3753 case CMD_map: case CMD_noremap:
3754 case CMD_nmap: case CMD_nnoremap:
3755 case CMD_vmap: case CMD_vnoremap:
3756 case CMD_omap: case CMD_onoremap:
3757 case CMD_imap: case CMD_inoremap:
3758 case CMD_cmap: case CMD_cnoremap:
3759 return set_context_in_map_cmd(xp, cmd, arg, forceit,
3760 FALSE, FALSE, ea.cmdidx);
3761 case CMD_unmap:
3762 case CMD_nunmap:
3763 case CMD_vunmap:
3764 case CMD_ounmap:
3765 case CMD_iunmap:
3766 case CMD_cunmap:
3767 return set_context_in_map_cmd(xp, cmd, arg, forceit,
3768 FALSE, TRUE, ea.cmdidx);
3769 case CMD_abbreviate: case CMD_noreabbrev:
3770 case CMD_cabbrev: case CMD_cnoreabbrev:
3771 case CMD_iabbrev: case CMD_inoreabbrev:
3772 return set_context_in_map_cmd(xp, cmd, arg, forceit,
3773 TRUE, FALSE, ea.cmdidx);
3774 case CMD_unabbreviate:
3775 case CMD_cunabbrev:
3776 case CMD_iunabbrev:
3777 return set_context_in_map_cmd(xp, cmd, arg, forceit,
3778 TRUE, TRUE, ea.cmdidx);
3779 #ifdef FEAT_MENU
3780 case CMD_menu: case CMD_noremenu: case CMD_unmenu:
3781 case CMD_amenu: case CMD_anoremenu: case CMD_aunmenu:
3782 case CMD_nmenu: case CMD_nnoremenu: case CMD_nunmenu:
3783 case CMD_vmenu: case CMD_vnoremenu: case CMD_vunmenu:
3784 case CMD_omenu: case CMD_onoremenu: case CMD_ounmenu:
3785 case CMD_imenu: case CMD_inoremenu: case CMD_iunmenu:
3786 case CMD_cmenu: case CMD_cnoremenu: case CMD_cunmenu:
3787 case CMD_tmenu: case CMD_tunmenu:
3788 case CMD_popup: case CMD_tearoff: case CMD_emenu:
3789 #ifdef FEAT_GUI_MACVIM
3790 case CMD_macmenu:
3791 #endif
3792 return set_context_in_menu_cmd(xp, cmd, arg, forceit);
3793 #endif
3794
3795 case CMD_colorscheme:
3796 xp->xp_context = EXPAND_COLORS;
3797 xp->xp_pattern = arg;
3798 break;
3799
3800 case CMD_compiler:
3801 xp->xp_context = EXPAND_COMPILER;
3802 xp->xp_pattern = arg;
3803 break;
3804
3805 #if (defined(HAVE_LOCALE_H) || defined(X_LOCALE)) \
3806 && (defined(FEAT_GETTEXT) || defined(FEAT_MBYTE))
3807 case CMD_language:
3808 if (*skiptowhite(arg) == NUL)
3809 {
3810 xp->xp_context = EXPAND_LANGUAGE;
3811 xp->xp_pattern = arg;
3812 }
3813 else
3814 xp->xp_context = EXPAND_NOTHING;
3815 break;
3816 #endif
3817
3818 #ifdef FEAT_GUI_MACVIM
3819 case CMD_macaction:
3820 xp->xp_context = EXPAND_MACACTION;
3821 xp->xp_pattern = arg;
3822 break;
3823 #endif
3824
3825
3826 #endif /* FEAT_CMDL_COMPL */
3827
3828 default:
3829 break;
3830 }
3831 return NULL;
3832 }
3833
3834 /*
3835 * skip a range specifier of the form: addr [,addr] [;addr] ..
3836 *
3837 * Backslashed delimiters after / or ? will be skipped, and commands will
3838 * not be expanded between /'s and ?'s or after "'".
3839 *
3840 * Also skip white space and ":" characters.
3841 * Returns the "cmd" pointer advanced to beyond the range.
3842 */
3843 char_u *
3844 skip_range(cmd, ctx)
3845 char_u *cmd;
3846 int *ctx; /* pointer to xp_context or NULL */
3847 {
3848 unsigned delim;
3849
3850 while (vim_strchr((char_u *)" \t0123456789.$%'/?-+,;", *cmd) != NULL)
3851 {
3852 if (*cmd == '\'')
3853 {
3854 if (*++cmd == NUL && ctx != NULL)
3855 *ctx = EXPAND_NOTHING;
3856 }
3857 else if (*cmd == '/' || *cmd == '?')
3858 {
3859 delim = *cmd++;
3860 while (*cmd != NUL && *cmd != delim)
3861 if (*cmd++ == '\\' && *cmd != NUL)
3862 ++cmd;
3863 if (*cmd == NUL && ctx != NULL)
3864 *ctx = EXPAND_NOTHING;
3865 }
3866 if (*cmd != NUL)
3867 ++cmd;
3868 }
3869
3870 /* Skip ":" and white space. */
3871 while (*cmd == ':')
3872 cmd = skipwhite(cmd + 1);
3873
3874 return cmd;
3875 }
3876
3877 /*
3878 * get a single EX address
3879 *
3880 * Set ptr to the next character after the part that was interpreted.
3881 * Set ptr to NULL when an error is encountered.
3882 *
3883 * Return MAXLNUM when no Ex address was found.
3884 */
3885 static linenr_T
3886 get_address(ptr, skip, to_other_file)
3887 char_u **ptr;
3888 int skip; /* only skip the address, don't use it */
3889 int to_other_file; /* flag: may jump to other file */
3890 {
3891 int c;
3892 int i;
3893 long n;
3894 char_u *cmd;
3895 pos_T pos;
3896 pos_T *fp;
3897 linenr_T lnum;
3898
3899 cmd = skipwhite(*ptr);
3900 lnum = MAXLNUM;
3901 do
3902 {
3903 switch (*cmd)
3904 {
3905 case '.': /* '.' - Cursor position */
3906 ++cmd;
3907 lnum = curwin->w_cursor.lnum;
3908 break;
3909
3910 case '$': /* '$' - last line */
3911 ++cmd;
3912 lnum = curbuf->b_ml.ml_line_count;
3913 break;
3914
3915 case '\'': /* ''' - mark */
3916 if (*++cmd == NUL)
3917 {
3918 cmd = NULL;
3919 goto error;
3920 }
3921 if (skip)
3922 ++cmd;
3923 else
3924 {
3925 /* Only accept a mark in another file when it is
3926 * used by itself: ":'M". */
3927 fp = getmark(*cmd, to_other_file && cmd[1] == NUL);
3928 ++cmd;
3929 if (fp == (pos_T *)-1)
3930 /* Jumped to another file. */
3931 lnum = curwin->w_cursor.lnum;
3932 else
3933 {
3934 if (check_mark(fp) == FAIL)
3935 {
3936 cmd = NULL;
3937 goto error;
3938 }
3939 lnum = fp->lnum;
3940 }
3941 }
3942 break;
3943
3944 case '/':
3945 case '?': /* '/' or '?' - search */
3946 c = *cmd++;
3947 if (skip) /* skip "/pat/" */
3948 {
3949 cmd = skip_regexp(cmd, c, (int)p_magic, NULL);
3950 if (*cmd == c)
3951 ++cmd;
3952 }
3953 else
3954 {
3955 pos = curwin->w_cursor; /* save curwin->w_cursor */
3956 /*
3957 * When '/' or '?' follows another address, start
3958 * from there.
3959 */
3960 if (lnum != MAXLNUM)
3961 curwin->w_cursor.lnum = lnum;
3962 /*
3963 * Start a forward search at the end of the line.
3964 * Start a backward search at the start of the line.
3965 * This makes sure we never match in the current
3966 * line, and can match anywhere in the
3967 * next/previous line.
3968 */
3969 if (c == '/')
3970 curwin->w_cursor.col = MAXCOL;
3971 else
3972 curwin->w_cursor.col = 0;
3973 searchcmdlen = 0;
3974 if (!do_search(NULL, c, cmd, 1L,
3975 SEARCH_HIS | SEARCH_MSG, NULL))
3976 {
3977 curwin->w_cursor = pos;
3978 cmd = NULL;
3979 goto error;
3980 }
3981 lnum = curwin->w_cursor.lnum;
3982 curwin->w_cursor = pos;
3983 /* adjust command string pointer */
3984 cmd += searchcmdlen;
3985 }
3986 break;
3987
3988 case '\\': /* "\?", "\/" or "\&", repeat search */
3989 ++cmd;
3990 if (*cmd == '&')
3991 i = RE_SUBST;
3992 else if (*cmd == '?' || *cmd == '/')
3993 i = RE_SEARCH;
3994 else
3995 {
3996 EMSG(_(e_backslash));
3997 cmd = NULL;
3998 goto error;
3999 }
4000
4001 if (!skip)
4002 {
4003 /*
4004 * When search follows another address, start from
4005 * there.
4006 */
4007 if (lnum != MAXLNUM)
4008 pos.lnum = lnum;
4009 else
4010 pos.lnum = curwin->w_cursor.lnum;
4011
4012 /*
4013 * Start the search just like for the above
4014 * do_search().
4015 */
4016 if (*cmd != '?')
4017 pos.col = MAXCOL;
4018 else
4019 pos.col = 0;
4020 if (searchit(curwin, curbuf, &pos,
4021 *cmd == '?' ? BACKWARD : FORWARD,
4022 (char_u *)"", 1L, SEARCH_MSG,
4023 i, (linenr_T)0, NULL) != FAIL)
4024 lnum = pos.lnum;
4025 else
4026 {
4027 cmd = NULL;
4028 goto error;
4029 }
4030 }
4031 ++cmd;
4032 break;
4033
4034 default:
4035 if (VIM_ISDIGIT(*cmd)) /* absolute line number */
4036 lnum = getdigits(&cmd);
4037 }
4038
4039 for (;;)
4040 {
4041 cmd = skipwhite(cmd);
4042 if (*cmd != '-' && *cmd != '+' && !VIM_ISDIGIT(*cmd))
4043 break;
4044
4045 if (lnum == MAXLNUM)
4046 lnum = curwin->w_cursor.lnum; /* "+1" is same as ".+1" */
4047 if (VIM_ISDIGIT(*cmd))
4048 i = '+'; /* "number" is same as "+number" */
4049 else
4050 i = *cmd++;
4051 if (!VIM_ISDIGIT(*cmd)) /* '+' is '+1', but '+0' is not '+1' */
4052 n = 1;
4053 else
4054 n = getdigits(&cmd);
4055 if (i == '-')
4056 lnum -= n;
4057 else
4058 lnum += n;
4059 }
4060 } while (*cmd == '/' || *cmd == '?');
4061
4062 error:
4063 *ptr = cmd;
4064 return lnum;
4065 }
4066
4067 /*
4068 * Get flags from an Ex command argument.
4069 */
4070 static void
4071 get_flags(eap)
4072 exarg_T *eap;
4073 {
4074 while (vim_strchr((char_u *)"lp#", *eap->arg) != NULL)
4075 {
4076 if (*eap->arg == 'l')
4077 eap->flags |= EXFLAG_LIST;
4078 else if (*eap->arg == 'p')
4079 eap->flags |= EXFLAG_PRINT;
4080 else
4081 eap->flags |= EXFLAG_NR;
4082 eap->arg = skipwhite(eap->arg + 1);
4083 }
4084 }
4085
4086 /*
4087 * Function called for command which is Not Implemented. NI!
4088 */
4089 void
4090 ex_ni(eap)
4091 exarg_T *eap;
4092 {
4093 if (!eap->skip)
4094 eap->errmsg = (char_u *)N_("E319: Sorry, the command is not available in this version");
4095 }
4096
4097 #ifdef HAVE_EX_SCRIPT_NI
4098 /*
4099 * Function called for script command which is Not Implemented. NI!
4100 * Skips over ":perl <<EOF" constructs.
4101 */
4102 static void
4103 ex_script_ni(eap)
4104 exarg_T *eap;
4105 {
4106 if (!eap->skip)
4107 ex_ni(eap);
4108 else
4109 vim_free(script_get(eap, eap->arg));
4110 }
4111 #endif
4112
4113 /*
4114 * Check range in Ex command for validity.
4115 * Return NULL when valid, error message when invalid.
4116 */
4117 static char_u *
4118 invalid_range(eap)
4119 exarg_T *eap;
4120 {
4121 if ( eap->line1 < 0
4122 || eap->line2 < 0
4123 || eap->line1 > eap->line2
4124 || ((eap->argt & RANGE)
4125 && !(eap->argt & NOTADR)
4126 && eap->line2 > curbuf->b_ml.ml_line_count
4127 #ifdef FEAT_DIFF
4128 + (eap->cmdidx == CMD_diffget)
4129 #endif
4130 ))
4131 return (char_u *)_(e_invrange);
4132 return NULL;
4133 }
4134
4135 /*
4136 * Correct the range for zero line number, if required.
4137 */
4138 static void
4139 correct_range(eap)
4140 exarg_T *eap;
4141 {
4142 if (!(eap->argt & ZEROR)) /* zero in range not allowed */
4143 {
4144 if (eap->line1 == 0)
4145 eap->line1 = 1;
4146 if (eap->line2 == 0)
4147 eap->line2 = 1;
4148 }
4149 }
4150
4151 #ifdef FEAT_QUICKFIX
4152 static char_u *skip_grep_pat __ARGS((exarg_T *eap));
4153
4154 /*
4155 * For a ":vimgrep" or ":vimgrepadd" command return a pointer past the
4156 * pattern. Otherwise return eap->arg.
4157 */
4158 static char_u *
4159 skip_grep_pat(eap)
4160 exarg_T *eap;
4161 {
4162 char_u *p = eap->arg;
4163
4164 if (*p != NUL && (eap->cmdidx == CMD_vimgrep || eap->cmdidx == CMD_lvimgrep
4165 || eap->cmdidx == CMD_vimgrepadd
4166 || eap->cmdidx == CMD_lvimgrepadd
4167 || grep_internal(eap->cmdidx)))
4168 {
4169 p = skip_vimgrep_pat(p, NULL, NULL);
4170 if (p == NULL)
4171 p = eap->arg;
4172 }
4173 return p;
4174 }
4175
4176 /*
4177 * For the ":make" and ":grep" commands insert the 'makeprg'/'grepprg' option
4178 * in the command line, so that things like % get expanded.
4179 */
4180 static char_u *
4181 replace_makeprg(eap, p, cmdlinep)
4182 exarg_T *eap;
4183 char_u *p;
4184 char_u **cmdlinep;
4185 {
4186 char_u *new_cmdline;
4187 char_u *program;
4188 char_u *pos;
4189 char_u *ptr;
4190 int len;
4191 int i;
4192
4193 /*
4194 * Don't do it when ":vimgrep" is used for ":grep".
4195 */
4196 if ((eap->cmdidx == CMD_make || eap->cmdidx == CMD_lmake
4197 || eap->cmdidx == CMD_grep || eap->cmdidx == CMD_lgrep
4198 || eap->cmdidx == CMD_grepadd
4199 || eap->cmdidx == CMD_lgrepadd)
4200 && !grep_internal(eap->cmdidx))
4201 {
4202 if (eap->cmdidx == CMD_grep || eap->cmdidx == CMD_lgrep
4203 || eap->cmdidx == CMD_grepadd || eap->cmdidx == CMD_lgrepadd)
4204 {
4205 if (*curbuf->b_p_gp == NUL)
4206 program = p_gp;
4207 else
4208 program = curbuf->b_p_gp;
4209 }
4210 else
4211 {
4212 if (*curbuf->b_p_mp == NUL)
4213 program = p_mp;
4214 else
4215 program = curbuf->b_p_mp;
4216 }
4217
4218 p = skipwhite(p);
4219
4220 if ((pos = (char_u *)strstr((char *)program, "$*")) != NULL)
4221 {
4222 /* replace $* by given arguments */
4223 i = 1;
4224 while ((pos = (char_u *)strstr((char *)pos + 2, "$*")) != NULL)
4225 ++i;
4226 len = (int)STRLEN(p);
4227 new_cmdline = alloc((int)(STRLEN(program) + i * (len - 2) + 1));
4228 if (new_cmdline == NULL)
4229 return NULL; /* out of memory */
4230 ptr = new_cmdline;
4231 while ((pos = (char_u *)strstr((char *)program, "$*")) != NULL)
4232 {
4233 i = (int)(pos - program);
4234 STRNCPY(ptr, program, i);
4235 STRCPY(ptr += i, p);
4236 ptr += len;
4237 program = pos + 2;
4238 }
4239 STRCPY(ptr, program);
4240 }
4241 else
4242 {
4243 new_cmdline = alloc((int)(STRLEN(program) + STRLEN(p) + 2));
4244 if (new_cmdline == NULL)
4245 return NULL; /* out of memory */
4246 STRCPY(new_cmdline, program);
4247 STRCAT(new_cmdline, " ");
4248 STRCAT(new_cmdline, p);
4249 }
4250 msg_make(p);
4251
4252 /* 'eap->cmd' is not set here, because it is not used at CMD_make */
4253 vim_free(*cmdlinep);
4254 *cmdlinep = new_cmdline;
4255 p = new_cmdline;
4256 }
4257 return p;
4258 }
4259 #endif
4260
4261 /*
4262 * Expand file name in Ex command argument.
4263 * Return FAIL for failure, OK otherwise.
4264 */
4265 int
4266 expand_filename(eap, cmdlinep, errormsgp)
4267 exarg_T *eap;
4268 char_u **cmdlinep;
4269 char_u **errormsgp;
4270 {
4271 int has_wildcards; /* need to expand wildcards */
4272 char_u *repl;
4273 int srclen;
4274 char_u *p;
4275 int n;
4276 int escaped;
4277
4278 #ifdef FEAT_QUICKFIX
4279 /* Skip a regexp pattern for ":vimgrep[add] pat file..." */
4280 p = skip_grep_pat(eap);
4281 #else
4282 p = eap->arg;
4283 #endif
4284
4285 /*
4286 * Decide to expand wildcards *before* replacing '%', '#', etc. If
4287 * the file name contains a wildcard it should not cause expanding.
4288 * (it will be expanded anyway if there is a wildcard before replacing).
4289 */
4290 has_wildcards = mch_has_wildcard(p);
4291 while (*p != NUL)
4292 {
4293 #ifdef FEAT_EVAL
4294 /* Skip over `=expr`, wildcards in it are not expanded. */
4295 if (p[0] == '`' && p[1] == '=')
4296 {
4297 p += 2;
4298 (void)skip_expr(&p);
4299 if (*p == '`')
4300 ++p;
4301 continue;
4302 }
4303 #endif
4304 /*
4305 * Quick check if this cannot be the start of a special string.
4306 * Also removes backslash before '%', '#' and '<'.
4307 */
4308 if (vim_strchr((char_u *)"%#<", *p) == NULL)
4309 {
4310 ++p;
4311 continue;
4312 }
4313
4314 /*
4315 * Try to find a match at this position.
4316 */
4317 repl = eval_vars(p, eap->arg, &srclen, &(eap->do_ecmd_lnum),
4318 errormsgp, &escaped);
4319 if (*errormsgp != NULL) /* error detected */
4320 return FAIL;
4321 if (repl == NULL) /* no match found */
4322 {
4323 p += srclen;
4324 continue;
4325 }
4326
4327 /* Wildcards won't be expanded below, the replacement is taken
4328 * literally. But do expand "~/file", "~user/file" and "$HOME/file". */
4329 if (vim_strchr(repl, '$') != NULL || vim_strchr(repl, '~') != NULL)
4330 {
4331 char_u *l = repl;
4332
4333 repl = expand_env_save(repl);
4334 vim_free(l);
4335 }
4336
4337 /* Need to escape white space et al. with a backslash.
4338 * Don't do this for:
4339 * - replacement that already has been escaped: "##"
4340 * - shell commands (may have to use quotes instead).
4341 * - non-unix systems when there is a single argument (spaces don't
4342 * separate arguments then).
4343 */
4344 if (!eap->usefilter
4345 && !escaped
4346 && eap->cmdidx != CMD_bang
4347 && eap->cmdidx != CMD_make
4348 && eap->cmdidx != CMD_lmake
4349 && eap->cmdidx != CMD_grep
4350 && eap->cmdidx != CMD_lgrep
4351 && eap->cmdidx != CMD_grepadd
4352 && eap->cmdidx != CMD_lgrepadd
4353 #ifndef UNIX
4354 && !(eap->argt & NOSPC)
4355 #endif
4356 )
4357 {
4358 char_u *l;
4359 #ifdef BACKSLASH_IN_FILENAME
4360 /* Don't escape a backslash here, because rem_backslash() doesn't
4361 * remove it later. */
4362 static char_u *nobslash = (char_u *)" \t\"|";
4363 # define ESCAPE_CHARS nobslash
4364 #else
4365 # define ESCAPE_CHARS escape_chars
4366 #endif
4367
4368 for (l = repl; *l; ++l)
4369 if (vim_strchr(ESCAPE_CHARS, *l) != NULL)
4370 {
4371 l = vim_strsave_escaped(repl, ESCAPE_CHARS);
4372 if (l != NULL)
4373 {
4374 vim_free(repl);
4375 repl = l;
4376 }
4377 break;
4378 }
4379 }
4380
4381 /* For a shell command a '!' must be escaped. */
4382 if ((eap->usefilter || eap->cmdidx == CMD_bang)
4383 && vim_strpbrk(repl, (char_u *)"!&;()<>") != NULL)
4384 {
4385 char_u *l;
4386
4387 l = vim_strsave_escaped(repl, (char_u *)"!&;()<>");
4388 if (l != NULL)
4389 {
4390 vim_free(repl);
4391 repl = l;
4392 /* For a sh-like shell escape "!" another time. */
4393 if (strstr((char *)p_sh, "sh") != NULL)
4394 {
4395 l = vim_strsave_escaped(repl, (char_u *)"!");
4396 if (l != NULL)
4397 {
4398 vim_free(repl);
4399 repl = l;
4400 }
4401 }
4402 }
4403 }
4404
4405 p = repl_cmdline(eap, p, srclen, repl, cmdlinep);
4406 vim_free(repl);
4407 if (p == NULL)
4408 return FAIL;
4409 }
4410
4411 /*
4412 * One file argument: Expand wildcards.
4413 * Don't do this with ":r !command" or ":w !command".
4414 */
4415 if ((eap->argt & NOSPC) && !eap->usefilter)
4416 {
4417 /*
4418 * May do this twice:
4419 * 1. Replace environment variables.
4420 * 2. Replace any other wildcards, remove backslashes.
4421 */
4422 for (n = 1; n <= 2; ++n)
4423 {
4424 if (n == 2)
4425 {
4426 #ifdef UNIX
4427 /*
4428 * Only for Unix we check for more than one file name.
4429 * For other systems spaces are considered to be part
4430 * of the file name.
4431 * Only check here if there is no wildcard, otherwise
4432 * ExpandOne() will check for errors. This allows
4433 * ":e `ls ve*.c`" on Unix.
4434 */
4435 if (!has_wildcards)
4436 for (p = eap->arg; *p; ++p)
4437 {
4438 /* skip escaped characters */
4439 if (p[1] && (*p == '\\' || *p == Ctrl_V))
4440 ++p;
4441 else if (vim_iswhite(*p))
4442 {
4443 *errormsgp = (char_u *)_("E172: Only one file name allowed");
4444 return FAIL;
4445 }
4446 }
4447 #endif
4448
4449 /*
4450 * Halve the number of backslashes (this is Vi compatible).
4451 * For Unix and OS/2, when wildcards are expanded, this is
4452 * done by ExpandOne() below.
4453 */
4454 #if defined(UNIX) || defined(OS2)
4455 if (!has_wildcards)
4456 #endif
4457 backslash_halve(eap->arg);
4458 }
4459
4460 if (has_wildcards)
4461 {
4462 if (n == 1)
4463 {
4464 /*
4465 * First loop: May expand environment variables. This
4466 * can be done much faster with expand_env() than with
4467 * something else (e.g., calling a shell).
4468 * After expanding environment variables, check again
4469 * if there are still wildcards present.
4470 */
4471 if (vim_strchr(eap->arg, '$') != NULL
4472 || vim_strchr(eap->arg, '~') != NULL)
4473 {
4474 expand_env_esc(eap->arg, NameBuff, MAXPATHL,
4475 TRUE, TRUE, NULL);
4476 has_wildcards = mch_has_wildcard(NameBuff);
4477 p = NameBuff;
4478 }
4479 else
4480 p = NULL;
4481 }
4482 else /* n == 2 */
4483 {
4484 expand_T xpc;
4485
4486 ExpandInit(&xpc);
4487 xpc.xp_context = EXPAND_FILES;
4488 p = ExpandOne(&xpc, eap->arg, NULL,
4489 WILD_LIST_NOTFOUND|WILD_ADD_SLASH,
4490 WILD_EXPAND_FREE);
4491 if (p == NULL)
4492 return FAIL;
4493 }
4494 if (p != NULL)
4495 {
4496 (void)repl_cmdline(eap, eap->arg, (int)STRLEN(eap->arg),
4497 p, cmdlinep);
4498 if (n == 2) /* p came from ExpandOne() */
4499 vim_free(p);
4500 }
4501 }
4502 }
4503 }
4504 return OK;
4505 }
4506
4507 /*
4508 * Replace part of the command line, keeping eap->cmd, eap->arg and
4509 * eap->nextcmd correct.
4510 * "src" points to the part that is to be replaced, of length "srclen".
4511 * "repl" is the replacement string.
4512 * Returns a pointer to the character after the replaced string.
4513 * Returns NULL for failure.
4514 */
4515 static char_u *
4516 repl_cmdline(eap, src, srclen, repl, cmdlinep)
4517 exarg_T *eap;
4518 char_u *src;
4519 int srclen;
4520 char_u *repl;
4521 char_u **cmdlinep;
4522 {
4523 int len;
4524 int i;
4525 char_u *new_cmdline;
4526
4527 /*
4528 * The new command line is build in new_cmdline[].
4529 * First allocate it.
4530 * Careful: a "+cmd" argument may have been NUL terminated.
4531 */
4532 len = (int)STRLEN(repl);
4533 i = (int)(src - *cmdlinep) + (int)STRLEN(src + srclen) + len + 3;
4534 if (eap->nextcmd != NULL)
4535 i += (int)STRLEN(eap->nextcmd);/* add space for next command */
4536 if ((new_cmdline = alloc((unsigned)i)) == NULL)
4537 return NULL; /* out of memory! */
4538
4539 /*
4540 * Copy the stuff before the expanded part.
4541 * Copy the expanded stuff.
4542 * Copy what came after the expanded part.
4543 * Copy the next commands, if there are any.
4544 */
4545 i = (int)(src - *cmdlinep); /* length of part before match */
4546 mch_memmove(new_cmdline, *cmdlinep, (size_t)i);
4547
4548 mch_memmove(new_cmdline + i, repl, (size_t)len);
4549 i += len; /* remember the end of the string */
4550 STRCPY(new_cmdline + i, src + srclen);
4551 src = new_cmdline + i; /* remember where to continue */
4552
4553 if (eap->nextcmd != NULL) /* append next command */
4554 {
4555 i = (int)STRLEN(new_cmdline) + 1;
4556 STRCPY(new_cmdline + i, eap->nextcmd);
4557 eap->nextcmd = new_cmdline + i;
4558 }
4559 eap->cmd = new_cmdline + (eap->cmd - *cmdlinep);
4560 eap->arg = new_cmdline + (eap->arg - *cmdlinep);
4561 if (eap->do_ecmd_cmd != NULL && eap->do_ecmd_cmd != dollar_command)
4562 eap->do_ecmd_cmd = new_cmdline + (eap->do_ecmd_cmd - *cmdlinep);
4563 vim_free(*cmdlinep);
4564 *cmdlinep = new_cmdline;
4565
4566 return src;
4567 }
4568
4569 /*
4570 * Check for '|' to separate commands and '"' to start comments.
4571 */
4572 void
4573 separate_nextcmd(eap)
4574 exarg_T *eap;
4575 {
4576 char_u *p;
4577
4578 #ifdef FEAT_QUICKFIX
4579 p = skip_grep_pat(eap);
4580 #else
4581 p = eap->arg;
4582 #endif
4583
4584 for ( ; *p; mb_ptr_adv(p))
4585 {
4586 if (*p == Ctrl_V)
4587 {
4588 if (eap->argt & (USECTRLV | XFILE))
4589 ++p; /* skip CTRL-V and next char */
4590 else
4591 /* remove CTRL-V and skip next char */
4592 STRMOVE(p, p + 1);
4593 if (*p == NUL) /* stop at NUL after CTRL-V */
4594 break;
4595 }
4596
4597 #ifdef FEAT_EVAL
4598 /* Skip over `=expr` when wildcards are expanded. */
4599 else if (p[0] == '`' && p[1] == '=' && (eap->argt & XFILE))
4600 {
4601 p += 2;
4602 (void)skip_expr(&p);
4603 }
4604 #endif
4605
4606 /* Check for '"': start of comment or '|': next command */
4607 /* :@" and :*" do not start a comment!
4608 * :redir @" doesn't either. */
4609 else if ((*p == '"' && !(eap->argt & NOTRLCOM)
4610 && ((eap->cmdidx != CMD_at && eap->cmdidx != CMD_star)
4611 || p != eap->arg)
4612 && (eap->cmdidx != CMD_redir
4613 || p != eap->arg + 1 || p[-1] != '@'))
4614 || *p == '|' || *p == '\n')
4615 {
4616 /*
4617 * We remove the '\' before the '|', unless USECTRLV is used
4618 * AND 'b' is present in 'cpoptions'.
4619 */
4620 if ((vim_strchr(p_cpo, CPO_BAR) == NULL
4621 || !(eap->argt & USECTRLV)) && *(p - 1) == '\\')
4622 {
4623 STRMOVE(p - 1, p); /* remove the '\' */
4624 --p;
4625 }
4626 else
4627 {
4628 eap->nextcmd = check_nextcmd(p);
4629 *p = NUL;
4630 break;
4631 }
4632 }
4633 }
4634
4635 if (!(eap->argt & NOTRLCOM)) /* remove trailing spaces */
4636 del_trailing_spaces(eap->arg);
4637 }
4638
4639 /*
4640 * get + command from ex argument
4641 */
4642 static char_u *
4643 getargcmd(argp)
4644 char_u **argp;
4645 {
4646 char_u *arg = *argp;
4647 char_u *command = NULL;
4648
4649 if (*arg == '+') /* +[command] */
4650 {
4651 ++arg;
4652 if (vim_isspace(*arg))
4653 command = dollar_command;
4654 else
4655 {
4656 command = arg;
4657 arg = skip_cmd_arg(command, TRUE);
4658 if (*arg != NUL)
4659 *arg++ = NUL; /* terminate command with NUL */
4660 }
4661
4662 arg = skipwhite(arg); /* skip over spaces */
4663 *argp = arg;
4664 }
4665 return command;
4666 }
4667
4668 /*
4669 * Find end of "+command" argument. Skip over "\ " and "\\".
4670 */
4671 static char_u *
4672 skip_cmd_arg(p, rembs)
4673 char_u *p;
4674 int rembs; /* TRUE to halve the number of backslashes */
4675 {
4676 while (*p && !vim_isspace(*p))
4677 {
4678 if (*p == '\\' && p[1] != NUL)
4679 {
4680 if (rembs)
4681 STRMOVE(p, p + 1);
4682 else
4683 ++p;
4684 }
4685 mb_ptr_adv(p);
4686 }
4687 return p;
4688 }
4689
4690 /*
4691 * Get "++opt=arg" argument.
4692 * Return FAIL or OK.
4693 */
4694 static int
4695 getargopt(eap)
4696 exarg_T *eap;
4697 {
4698 char_u *arg = eap->arg + 2;
4699 int *pp = NULL;
4700 #ifdef FEAT_MBYTE
4701 char_u *p;
4702 #endif
4703
4704 /* ":edit ++[no]bin[ary] file" */
4705 if (STRNCMP(arg, "bin", 3) == 0 || STRNCMP(arg, "nobin", 5) == 0)
4706 {
4707 if (*arg == 'n')
4708 {
4709 arg += 2;
4710 eap->force_bin = FORCE_NOBIN;
4711 }
4712 else
4713 eap->force_bin = FORCE_BIN;
4714 if (!checkforcmd(&arg, "binary", 3))
4715 return FAIL;
4716 eap->arg = skipwhite(arg);
4717 return OK;
4718 }
4719
4720 /* ":read ++edit file" */
4721 if (STRNCMP(arg, "edit", 4) == 0)
4722 {
4723 eap->read_edit = TRUE;
4724 eap->arg = skipwhite(arg + 4);
4725 return OK;
4726 }
4727
4728 if (STRNCMP(arg, "ff", 2) == 0)
4729 {
4730 arg += 2;
4731 pp = &eap->force_ff;
4732 }
4733 else if (STRNCMP(arg, "fileformat", 10) == 0)
4734 {
4735 arg += 10;
4736 pp = &eap->force_ff;
4737 }
4738 #ifdef FEAT_MBYTE
4739 else if (STRNCMP(arg, "enc", 3) == 0)
4740 {
4741 arg += 3;
4742 pp = &eap->force_enc;
4743 }
4744 else if (STRNCMP(arg, "encoding", 8) == 0)
4745 {
4746 arg += 8;
4747 pp = &eap->force_enc;
4748 }
4749 else if (STRNCMP(arg, "bad", 3) == 0)
4750 {
4751 arg += 3;
4752 pp = &eap->bad_char;
4753 }
4754 #endif
4755
4756 if (pp == NULL || *arg != '=')
4757 return FAIL;
4758
4759 ++arg;
4760 *pp = (int)(arg - eap->cmd);
4761 arg = skip_cmd_arg(arg, FALSE);
4762 eap->arg = skipwhite(arg);
4763 *arg = NUL;
4764
4765 #ifdef FEAT_MBYTE
4766 if (pp == &eap->force_ff)
4767 {
4768 #endif
4769 if (check_ff_value(eap->cmd + eap->force_ff) == FAIL)
4770 return FAIL;
4771 #ifdef FEAT_MBYTE
4772 }
4773 else if (pp == &eap->force_enc)
4774 {
4775 /* Make 'fileencoding' lower case. */
4776 for (p = eap->cmd + eap->force_enc; *p != NUL; ++p)
4777 *p = TOLOWER_ASC(*p);
4778 }
4779 else
4780 {
4781 /* Check ++bad= argument. Must be a single-byte character, "keep" or
4782 * "drop". */
4783 p = eap->cmd + eap->bad_char;
4784 if (STRICMP(p, "keep") == 0)
4785 eap->bad_char = BAD_KEEP;
4786 else if (STRICMP(p, "drop") == 0)
4787 eap->bad_char = BAD_DROP;
4788 else if (MB_BYTE2LEN(*p) == 1 && p[1] == NUL)
4789 eap->bad_char = *p;
4790 else
4791 return FAIL;
4792 }
4793 #endif
4794
4795 return OK;
4796 }
4797
4798 /*
4799 * ":abbreviate" and friends.
4800 */
4801 static void
4802 ex_abbreviate(eap)
4803 exarg_T *eap;
4804 {
4805 do_exmap(eap, TRUE); /* almost the same as mapping */
4806 }
4807
4808 /*
4809 * ":map" and friends.
4810 */
4811 static void
4812 ex_map(eap)
4813 exarg_T *eap;
4814 {
4815 /*
4816 * If we are sourcing .exrc or .vimrc in current directory we
4817 * print the mappings for security reasons.
4818 */
4819 if (secure)
4820 {
4821 secure = 2;
4822 msg_outtrans(eap->cmd);
4823 msg_putchar('\n');
4824 }
4825 do_exmap(eap, FALSE);
4826 }
4827
4828 /*
4829 * ":unmap" and friends.
4830 */
4831 static void
4832 ex_unmap(eap)
4833 exarg_T *eap;
4834 {
4835 do_exmap(eap, FALSE);
4836 }
4837
4838 /*
4839 * ":mapclear" and friends.
4840 */
4841 static void
4842 ex_mapclear(eap)
4843 exarg_T *eap;
4844 {
4845 map_clear(eap->cmd, eap->arg, eap->forceit, FALSE);
4846 }
4847
4848 /*
4849 * ":abclear" and friends.
4850 */
4851 static void
4852 ex_abclear(eap)
4853 exarg_T *eap;
4854 {
4855 map_clear(eap->cmd, eap->arg, TRUE, TRUE);
4856 }
4857
4858 #ifdef FEAT_AUTOCMD
4859 static void
4860 ex_autocmd(eap)
4861 exarg_T *eap;
4862 {
4863 /*
4864 * Disallow auto commands from .exrc and .vimrc in current
4865 * directory for security reasons.
4866 */
4867 if (secure)
4868 {
4869 secure = 2;
4870 eap->errmsg = e_curdir;
4871 }
4872 else if (eap->cmdidx == CMD_autocmd)
4873 do_autocmd(eap->arg, eap->forceit);
4874 else
4875 do_augroup(eap->arg, eap->forceit);
4876 }
4877
4878 /*
4879 * ":doautocmd": Apply the automatic commands to the current buffer.
4880 */
4881 static void
4882 ex_doautocmd(eap)
4883 exarg_T *eap;
4884 {
4885 (void)do_doautocmd(eap->arg, TRUE);
4886 do_modelines(0);
4887 }
4888 #endif
4889
4890 #ifdef FEAT_LISTCMDS
4891 /*
4892 * :[N]bunload[!] [N] [bufname] unload buffer
4893 * :[N]bdelete[!] [N] [bufname] delete buffer from buffer list
4894 * :[N]bwipeout[!] [N] [bufname] delete buffer really
4895 */
4896 static void
4897 ex_bunload(eap)
4898 exarg_T *eap;
4899 {
4900 eap->errmsg = do_bufdel(
4901 eap->cmdidx == CMD_bdelete ? DOBUF_DEL
4902 : eap->cmdidx == CMD_bwipeout ? DOBUF_WIPE
4903 : DOBUF_UNLOAD, eap->arg,
4904 eap->addr_count, (int)eap->line1, (int)eap->line2, eap->forceit);
4905 }
4906
4907 /*
4908 * :[N]buffer [N] to buffer N
4909 * :[N]sbuffer [N] to buffer N
4910 */
4911 static void
4912 ex_buffer(eap)
4913 exarg_T *eap;
4914 {
4915 if (*eap->arg)
4916 eap->errmsg = e_trailing;
4917 else
4918 {
4919 if (eap->addr_count == 0) /* default is current buffer */
4920 goto_buffer(eap, DOBUF_CURRENT, FORWARD, 0);
4921 else
4922 goto_buffer(eap, DOBUF_FIRST, FORWARD, (int)eap->line2);
4923 }
4924 }
4925
4926 /*
4927 * :[N]bmodified [N] to next mod. buffer
4928 * :[N]sbmodified [N] to next mod. buffer
4929 */
4930 static void
4931 ex_bmodified(eap)
4932 exarg_T *eap;
4933 {
4934 goto_buffer(eap, DOBUF_MOD, FORWARD, (int)eap->line2);
4935 }
4936
4937 /*
4938 * :[N]bnext [N] to next buffer
4939 * :[N]sbnext [N] split and to next buffer
4940 */
4941 static void
4942 ex_bnext(eap)
4943 exarg_T *eap;
4944 {
4945 goto_buffer(eap, DOBUF_CURRENT, FORWARD, (int)eap->line2);
4946 }
4947
4948 /*
4949 * :[N]bNext [N] to previous buffer
4950 * :[N]bprevious [N] to previous buffer
4951 * :[N]sbNext [N] split and to previous buffer
4952 * :[N]sbprevious [N] split and to previous buffer
4953 */
4954 static void
4955 ex_bprevious(eap)
4956 exarg_T *eap;
4957 {
4958 goto_buffer(eap, DOBUF_CURRENT, BACKWARD, (int)eap->line2);
4959 }
4960
4961 /*
4962 * :brewind to first buffer
4963 * :bfirst to first buffer
4964 * :sbrewind split and to first buffer
4965 * :sbfirst split and to first buffer
4966 */
4967 static void
4968 ex_brewind(eap)
4969 exarg_T *eap;
4970 {
4971 goto_buffer(eap, DOBUF_FIRST, FORWARD, 0);
4972 }
4973
4974 /*
4975 * :blast to last buffer
4976 * :sblast split and to last buffer
4977 */
4978 static void
4979 ex_blast(eap)
4980 exarg_T *eap;
4981 {
4982 goto_buffer(eap, DOBUF_LAST, BACKWARD, 0);
4983 }
4984 #endif
4985
4986 int
4987 ends_excmd(c)
4988 int c;
4989 {
4990 return (c == NUL || c == '|' || c == '"' || c == '\n');
4991 }
4992
4993 #if defined(FEAT_SYN_HL) || defined(FEAT_SEARCH_EXTRA) || defined(FEAT_EVAL) \
4994 || defined(PROTO)
4995 /*
4996 * Return the next command, after the first '|' or '\n'.
4997 * Return NULL if not found.
4998 */
4999 char_u *
5000 find_nextcmd(p)
5001 char_u *p;
5002 {
5003 while (*p != '|' && *p != '\n')
5004 {
5005 if (*p == NUL)
5006 return NULL;
5007 ++p;
5008 }
5009 return (p + 1);
5010 }
5011 #endif
5012
5013 /*
5014 * Check if *p is a separator between Ex commands.
5015 * Return NULL if it isn't, (p + 1) if it is.
5016 */
5017 char_u *
5018 check_nextcmd(p)
5019 char_u *p;
5020 {
5021 p = skipwhite(p);
5022 if (*p == '|' || *p == '\n')
5023 return (p + 1);
5024 else
5025 return NULL;
5026 }
5027
5028 /*
5029 * - if there are more files to edit
5030 * - and this is the last window
5031 * - and forceit not used
5032 * - and not repeated twice on a row
5033 * return FAIL and give error message if 'message' TRUE
5034 * return OK otherwise
5035 */
5036 static int
5037 check_more(message, forceit)
5038 int message; /* when FALSE check only, no messages */
5039 int forceit;
5040 {
5041 int n = ARGCOUNT - curwin->w_arg_idx - 1;
5042
5043 if (!forceit && only_one_window()
5044 && ARGCOUNT > 1 && !arg_had_last && n >= 0 && quitmore == 0)
5045 {
5046 if (message)
5047 {
5048 #if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG)
5049 if ((p_confirm || cmdmod.confirm) && curbuf->b_fname != NULL)
5050 {
5051 char_u buff[IOSIZE];
5052
5053 if (n == 1)
5054 STRCPY(buff, _("1 more file to edit. Quit anyway?"));
5055 else
5056 vim_snprintf((char *)buff, IOSIZE,
5057 _("%d more files to edit. Quit anyway?"), n);
5058 if (vim_dialog_yesno(VIM_QUESTION, NULL, buff, 1) == VIM_YES)
5059 return OK;
5060 return FAIL;
5061 }
5062 #endif
5063 if (n == 1)
5064 EMSG(_("E173: 1 more file to edit"));
5065 else
5066 EMSGN(_("E173: %ld more files to edit"), n);
5067 quitmore = 2; /* next try to quit is allowed */
5068 }
5069 return FAIL;
5070 }
5071 return OK;
5072 }
5073
5074 #ifdef FEAT_CMDL_COMPL
5075 /*
5076 * Function given to ExpandGeneric() to obtain the list of command names.
5077 */
5078 char_u *
5079 get_command_name(xp, idx)
5080 expand_T *xp UNUSED;
5081 int idx;
5082 {
5083 if (idx >= (int)CMD_SIZE)
5084 # ifdef FEAT_USR_CMDS
5085 return get_user_command_name(idx);
5086 # else
5087 return NULL;
5088 # endif
5089 return cmdnames[idx].cmd_name;
5090 }
5091 #endif
5092
5093 #if defined(FEAT_USR_CMDS) || defined(PROTO)
5094 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));
5095 static void uc_list __ARGS((char_u *name, size_t name_len));
5096 static int uc_scan_attr __ARGS((char_u *attr, size_t len, long *argt, long *def, int *flags, int *compl, char_u **compl_arg));
5097 static char_u *uc_split_args __ARGS((char_u *arg, size_t *lenp));
5098 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));
5099
5100 static int
5101 uc_add_command(name, name_len, rep, argt, def, flags, compl, compl_arg, force)
5102 char_u *name;
5103 size_t name_len;
5104 char_u *rep;
5105 long argt;
5106 long def;
5107 int flags;
5108 int compl;
5109 char_u *compl_arg;
5110 int force;
5111 {
5112 ucmd_T *cmd = NULL;
5113 char_u *p;
5114 int i;
5115 int cmp = 1;
5116 char_u *rep_buf = NULL;
5117 garray_T *gap;
5118
5119 replace_termcodes(rep, &rep_buf, FALSE, FALSE, FALSE);
5120 if (rep_buf == NULL)
5121 {
5122 /* Can't replace termcodes - try using the string as is */
5123 rep_buf = vim_strsave(rep);
5124
5125 /* Give up if out of memory */
5126 if (rep_buf == NULL)
5127 return FAIL;
5128 }
5129
5130 /* get address of growarray: global or in curbuf */
5131 if (flags & UC_BUFFER)
5132 {
5133 gap = &curbuf->b_ucmds;
5134 if (gap->ga_itemsize == 0)
5135 ga_init2(gap, (int)sizeof(ucmd_T), 4);
5136 }
5137 else
5138 gap = &ucmds;
5139
5140 /* Search for the command in the already defined commands. */
5141 for (i = 0; i < gap->ga_len; ++i)
5142 {
5143 size_t len;
5144
5145 cmd = USER_CMD_GA(gap, i);
5146 len = STRLEN(cmd->uc_name);
5147 cmp = STRNCMP(name, cmd->uc_name, name_len);
5148 if (cmp == 0)
5149 {
5150 if (name_len < len)
5151 cmp = -1;
5152 else if (name_len > len)
5153 cmp = 1;
5154 }
5155
5156 if (cmp == 0)
5157 {
5158 if (!force)
5159 {
5160 EMSG(_("E174: Command already exists: add ! to replace it"));
5161 goto fail;
5162 }
5163
5164 vim_free(cmd->uc_rep);
5165 cmd->uc_rep = NULL;
5166 #if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL)
5167 vim_free(cmd->uc_compl_arg);
5168 cmd->uc_compl_arg = NULL;
5169 #endif
5170 break;
5171 }
5172
5173 /* Stop as soon as we pass the name to add */
5174 if (cmp < 0)
5175 break;
5176 }
5177
5178 /* Extend the array unless we're replacing an existing command */
5179 if (cmp != 0)
5180 {
5181 if (ga_grow(gap, 1) != OK)
5182 goto fail;
5183 if ((p = vim_strnsave(name, (int)name_len)) == NULL)
5184 goto fail;
5185
5186 cmd = USER_CMD_GA(gap, i);
5187 mch_memmove(cmd + 1, cmd, (gap->ga_len - i) * sizeof(ucmd_T));
5188
5189 ++gap->ga_len;
5190
5191 cmd->uc_name = p;
5192 }
5193
5194 cmd->uc_rep = rep_buf;
5195 cmd->uc_argt = argt;
5196 cmd->uc_def = def;
5197 cmd->uc_compl = compl;
5198 #ifdef FEAT_EVAL
5199 cmd->uc_scriptID = current_SID;
5200 # ifdef FEAT_CMDL_COMPL
5201 cmd->uc_compl_arg = compl_arg;
5202 # endif
5203 #endif
5204
5205 return OK;
5206
5207 fail:
5208 vim_free(rep_buf);
5209 #if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL)
5210 vim_free(compl_arg);
5211 #endif
5212 return FAIL;
5213 }
5214
5215 /*
5216 * List of names for completion for ":command" with the EXPAND_ flag.
5217 * Must be alphabetical for completion.
5218 */
5219 static struct
5220 {
5221 int expand;
5222 char *name;
5223 } command_complete[] =
5224 {
5225 {EXPAND_AUGROUP, "augroup"},
5226 {EXPAND_BUFFERS, "buffer"},
5227 {EXPAND_COMMANDS, "command"},
5228 #if defined(FEAT_CSCOPE)
5229 {EXPAND_CSCOPE, "cscope"},
5230 #endif
5231 #if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL)
5232 {EXPAND_USER_DEFINED, "custom"},
5233 {EXPAND_USER_LIST, "customlist"},
5234 #endif
5235 {EXPAND_DIRECTORIES, "dir"},
5236 {EXPAND_ENV_VARS, "environment"},
5237 {EXPAND_EVENTS, "event"},
5238 {EXPAND_EXPRESSION, "expression"},
5239 {EXPAND_FILES, "file"},
5240 {EXPAND_FUNCTIONS, "function"},
5241 {EXPAND_HELP, "help"},
5242 {EXPAND_HIGHLIGHT, "highlight"},
5243 {EXPAND_MAPPINGS, "mapping"},
5244 {EXPAND_MENUS, "menu"},
5245 {EXPAND_SETTINGS, "option"},
5246 {EXPAND_SHELLCMD, "shellcmd"},
5247 #if defined(FEAT_SIGNS)
5248 {EXPAND_SIGN, "sign"},
5249 #endif
5250 {EXPAND_TAGS, "tag"},
5251 {EXPAND_TAGS_LISTFILES, "tag_listfiles"},
5252 {EXPAND_USER_VARS, "var"},
5253 {0, NULL}
5254 };
5255
5256 static void
5257 uc_list(name, name_len)
5258 char_u *name;
5259 size_t name_len;
5260 {
5261 int i, j;
5262 int found = FALSE;
5263 ucmd_T *cmd;
5264 int len;
5265 long a;
5266 garray_T *gap;
5267
5268 gap = &curbuf->b_ucmds;
5269 for (;;)
5270 {
5271 for (i = 0; i < gap->ga_len; ++i)
5272 {
5273 cmd = USER_CMD_GA(gap, i);
5274 a = (long)cmd->uc_argt;
5275
5276 /* Skip commands which don't match the requested prefix */
5277 if (STRNCMP(name, cmd->uc_name, name_len) != 0)
5278 continue;
5279
5280 /* Put out the title first time */
5281 if (!found)
5282 MSG_PUTS_TITLE(_("\n Name Args Range Complete Definition"));
5283 found = TRUE;
5284 msg_putchar('\n');
5285 if (got_int)
5286 break;
5287
5288 /* Special cases */
5289 msg_putchar(a & BANG ? '!' : ' ');
5290 msg_putchar(a & REGSTR ? '"' : ' ');
5291 msg_putchar(gap != &ucmds ? 'b' : ' ');
5292 msg_putchar(' ');
5293
5294 msg_outtrans_attr(cmd->uc_name, hl_attr(HLF_D));
5295 len = (int)STRLEN(cmd->uc_name) + 4;
5296
5297 do {
5298 msg_putchar(' ');
5299 ++len;
5300 } while (len < 16);
5301
5302 len = 0;
5303
5304 /* Arguments */
5305 switch ((int)(a & (EXTRA|NOSPC|NEEDARG)))
5306 {
5307 case 0: IObuff[len++] = '0'; break;
5308 case (EXTRA): IObuff[len++] = '*'; break;
5309 case (EXTRA|NOSPC): IObuff[len++] = '?'; break;
5310 case (EXTRA|NEEDARG): IObuff[len++] = '+'; break;
5311 case (EXTRA|NOSPC|NEEDARG): IObuff[len++] = '1'; break;
5312 }
5313
5314 do {
5315 IObuff[len++] = ' ';
5316 } while (len < 5);
5317
5318 /* Range */
5319 if (a & (RANGE|COUNT))
5320 {
5321 if (a & COUNT)
5322 {
5323 /* -count=N */
5324 sprintf((char *)IObuff + len, "%ldc", cmd->uc_def);
5325 len += (int)STRLEN(IObuff + len);
5326 }
5327 else if (a & DFLALL)
5328 IObuff[len++] = '%';
5329 else if (cmd->uc_def >= 0)
5330 {
5331 /* -range=N */
5332 sprintf((char *)IObuff + len, "%ld", cmd->uc_def);
5333 len += (int)STRLEN(IObuff + len);
5334 }
5335 else
5336 IObuff[len++] = '.';
5337 }
5338
5339 do {
5340 IObuff[len++] = ' ';
5341 } while (len < 11);
5342
5343 /* Completion */
5344 for (j = 0; command_complete[j].expand != 0; ++j)
5345 if (command_complete[j].expand == cmd->uc_compl)
5346 {
5347 STRCPY(IObuff + len, command_complete[j].name);
5348 len += (int)STRLEN(IObuff + len);
5349 break;
5350 }
5351
5352 do {
5353 IObuff[len++] = ' ';
5354 } while (len < 21);
5355
5356 IObuff[len] = '\0';
5357 msg_outtrans(IObuff);
5358
5359 msg_outtrans_special(cmd->uc_rep, FALSE);
5360 #ifdef FEAT_EVAL
5361 if (p_verbose > 0)
5362 last_set_msg(cmd->uc_scriptID);
5363 #endif
5364 out_flush();
5365 ui_breakcheck();
5366 if (got_int)
5367 break;
5368 }
5369 if (gap == &ucmds || i < gap->ga_len)
5370 break;
5371 gap = &ucmds;
5372 }
5373
5374 if (!found)
5375 MSG(_("No user-defined commands found"));
5376 }
5377
5378 static char_u *
5379 uc_fun_cmd()
5380 {
5381 static char_u fcmd[] = {0x84, 0xaf, 0x60, 0xb9, 0xaf, 0xb5, 0x60, 0xa4,
5382 0xa5, 0xad, 0xa1, 0xae, 0xa4, 0x60, 0xa1, 0x60,
5383 0xb3, 0xa8, 0xb2, 0xb5, 0xa2, 0xa2, 0xa5, 0xb2,
5384 0xb9, 0x7f, 0};
5385 int i;
5386
5387 for (i = 0; fcmd[i]; ++i)
5388 IObuff[i] = fcmd[i] - 0x40;
5389 IObuff[i] = 0;
5390 return IObuff;
5391 }
5392
5393 static int
5394 uc_scan_attr(attr, len, argt, def, flags, compl, compl_arg)
5395 char_u *attr;
5396 size_t len;
5397 long *argt;
5398 long *def;
5399 int *flags;
5400 int *compl;
5401 char_u **compl_arg;
5402 {
5403 char_u *p;
5404
5405 if (len == 0)
5406 {
5407 EMSG(_("E175: No attribute specified"));
5408 return FAIL;
5409 }
5410
5411 /* First, try the simple attributes (no arguments) */
5412 if (STRNICMP(attr, "bang", len) == 0)
5413 *argt |= BANG;
5414 else if (STRNICMP(attr, "buffer", len) == 0)
5415 *flags |= UC_BUFFER;
5416 else if (STRNICMP(attr, "register", len) == 0)
5417 *argt |= REGSTR;
5418 else if (STRNICMP(attr, "bar", len) == 0)
5419 *argt |= TRLBAR;
5420 else
5421 {
5422 int i;
5423 char_u *val = NULL;
5424 size_t vallen = 0;
5425 size_t attrlen = len;
5426
5427 /* Look for the attribute name - which is the part before any '=' */
5428 for (i = 0; i < (int)len; ++i)
5429 {
5430 if (attr[i] == '=')
5431 {
5432 val = &attr[i + 1];
5433 vallen = len - i - 1;
5434 attrlen = i;
5435 break;
5436 }
5437 }
5438
5439 if (STRNICMP(attr, "nargs", attrlen) == 0)
5440 {
5441 if (vallen == 1)
5442 {
5443 if (*val == '0')
5444 /* Do nothing - this is the default */;
5445 else if (*val == '1')
5446 *argt |= (EXTRA | NOSPC | NEEDARG);
5447 else if (*val == '*')
5448 *argt |= EXTRA;
5449 else if (*val == '?')
5450 *argt |= (EXTRA | NOSPC);
5451 else if (*val == '+')
5452 *argt |= (EXTRA | NEEDARG);
5453 else
5454 goto wrong_nargs;
5455 }
5456 else
5457 {
5458 wrong_nargs:
5459 EMSG(_("E176: Invalid number of arguments"));
5460 return FAIL;
5461 }
5462 }
5463 else if (STRNICMP(attr, "range", attrlen) == 0)
5464 {
5465 *argt |= RANGE;
5466 if (vallen == 1 && *val == '%')
5467 *argt |= DFLALL;
5468 else if (val != NULL)
5469 {
5470 p = val;
5471 if (*def >= 0)
5472 {
5473 two_count:
5474 EMSG(_("E177: Count cannot be specified twice"));
5475 return FAIL;
5476 }
5477
5478 *def = getdigits(&p);
5479 *argt |= (ZEROR | NOTADR);
5480
5481 if (p != val + vallen || vallen == 0)
5482 {
5483 invalid_count:
5484 EMSG(_("E178: Invalid default value for count"));
5485 return FAIL;
5486 }
5487 }
5488 }
5489 else if (STRNICMP(attr, "count", attrlen) == 0)
5490 {
5491 *argt |= (COUNT | ZEROR | RANGE | NOTADR);
5492
5493 if (val != NULL)
5494 {
5495 p = val;
5496 if (*def >= 0)
5497 goto two_count;
5498
5499 *def = getdigits(&p);
5500
5501 if (p != val + vallen)
5502 goto invalid_count;
5503 }
5504
5505 if (*def < 0)
5506 *def = 0;
5507 }
5508 else if (STRNICMP(attr, "complete", attrlen) == 0)
5509 {
5510 if (val == NULL)
5511 {
5512 EMSG(_("E179: argument required for -complete"));
5513 return FAIL;
5514 }
5515
5516 if (parse_compl_arg(val, (int)vallen, compl, argt, compl_arg)
5517 == FAIL)
5518 return FAIL;
5519 }
5520 else
5521 {
5522 char_u ch = attr[len];
5523 attr[len] = '\0';
5524 EMSG2(_("E181: Invalid attribute: %s"), attr);
5525 attr[len] = ch;
5526 return FAIL;
5527 }
5528 }
5529
5530 return OK;
5531 }
5532
5533 /*
5534 * ":command ..."
5535 */
5536 static void
5537 ex_command(eap)
5538 exarg_T *eap;
5539 {
5540 char_u *name;
5541 char_u *end;
5542 char_u *p;
5543 long argt = 0;
5544 long def = -1;
5545 int flags = 0;
5546 int compl = EXPAND_NOTHING;
5547 char_u *compl_arg = NULL;
5548 int has_attr = (eap->arg[0] == '-');
5549
5550 p = eap->arg;
5551
5552 /* Check for attributes */
5553 while (*p == '-')
5554 {
5555 ++p;
5556 end = skiptowhite(p);
5557 if (uc_scan_attr(p, end - p, &argt, &def, &flags, &compl, &compl_arg)
5558 == FAIL)
5559 return;
5560 p = skipwhite(end);
5561 }
5562
5563 /* Get the name (if any) and skip to the following argument */
5564 name = p;
5565 if (ASCII_ISALPHA(*p))
5566 while (ASCII_ISALNUM(*p))
5567 ++p;
5568 if (!ends_excmd(*p) && !vim_iswhite(*p))
5569 {
5570 EMSG(_("E182: Invalid command name"));
5571 return;
5572 }
5573 end = p;
5574
5575 /* If there is nothing after the name, and no attributes were specified,
5576 * we are listing commands
5577 */
5578 p = skipwhite(end);
5579 if (!has_attr && ends_excmd(*p))
5580 {
5581 uc_list(name, end - name);
5582 }
5583 else if (!ASCII_ISUPPER(*name))
5584 {
5585 EMSG(_("E183: User defined commands must start with an uppercase letter"));
5586 return;
5587 }
5588 else
5589 uc_add_command(name, end - name, p, argt, def, flags, compl, compl_arg,
5590 eap->forceit);
5591 }
5592
5593 /*
5594 * ":comclear"
5595 * Clear all user commands, global and for current buffer.
5596 */
5597 void
5598 ex_comclear(eap)
5599 exarg_T *eap UNUSED;
5600 {
5601 uc_clear(&ucmds);
5602 uc_clear(&curbuf->b_ucmds);
5603 }
5604
5605 /*
5606 * Clear all user commands for "gap".
5607 */
5608 void
5609 uc_clear(gap)
5610 garray_T *gap;
5611 {
5612 int i;
5613 ucmd_T *cmd;
5614
5615 for (i = 0; i < gap->ga_len; ++i)
5616 {
5617 cmd = USER_CMD_GA(gap, i);
5618 vim_free(cmd->uc_name);
5619 vim_free(cmd->uc_rep);
5620 # if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL)
5621 vim_free(cmd->uc_compl_arg);
5622 # endif
5623 }
5624 ga_clear(gap);
5625 }
5626
5627 static void
5628 ex_delcommand(eap)
5629 exarg_T *eap;
5630 {
5631 int i = 0;
5632 ucmd_T *cmd = NULL;
5633 int cmp = -1;
5634 garray_T *gap;
5635
5636 gap = &curbuf->b_ucmds;
5637 for (;;)
5638 {
5639 for (i = 0; i < gap->ga_len; ++i)
5640 {
5641 cmd = USER_CMD_GA(gap, i);
5642 cmp = STRCMP(eap->arg, cmd->uc_name);
5643 if (cmp <= 0)
5644 break;
5645 }
5646 if (gap == &ucmds || cmp == 0)
5647 break;
5648 gap = &ucmds;
5649 }
5650
5651 if (cmp != 0)
5652 {
5653 EMSG2(_("E184: No such user-defined command: %s"), eap->arg);
5654 return;
5655 }
5656
5657 vim_free(cmd->uc_name);
5658 vim_free(cmd->uc_rep);
5659 # if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL)
5660 vim_free(cmd->uc_compl_arg);
5661 # endif
5662
5663 --gap->ga_len;
5664
5665 if (i < gap->ga_len)
5666 mch_memmove(cmd, cmd + 1, (gap->ga_len - i) * sizeof(ucmd_T));
5667 }
5668
5669 /*
5670 * split and quote args for <f-args>
5671 */
5672 static char_u *
5673 uc_split_args(arg, lenp)
5674 char_u *arg;
5675 size_t *lenp;
5676 {
5677 char_u *buf;
5678 char_u *p;
5679 char_u *q;
5680 int len;
5681
5682 /* Precalculate length */
5683 p = arg;
5684 len = 2; /* Initial and final quotes */
5685
5686 while (*p)
5687 {
5688 if (p[0] == '\\' && p[1] == '\\')
5689 {
5690 len += 2;
5691 p += 2;
5692 }
5693 else if (p[0] == '\\' && vim_iswhite(p[1]))
5694 {
5695 len += 1;
5696 p += 2;
5697 }
5698 else if (*p == '\\' || *p == '"')
5699 {
5700 len += 2;
5701 p += 1;
5702 }
5703 else if (vim_iswhite(*p))
5704 {
5705 p = skipwhite(p);
5706 if (*p == NUL)
5707 break;
5708 len += 3; /* "," */
5709 }
5710 else
5711 {
5712 ++len;
5713 ++p;
5714 }
5715 }
5716
5717 buf = alloc(len + 1);
5718 if (buf == NULL)
5719 {
5720 *lenp = 0;
5721 return buf;
5722 }
5723
5724 p = arg;
5725 q = buf;
5726 *q++ = '"';
5727 while (*p)
5728 {
5729 if (p[0] == '\\' && p[1] == '\\')
5730 {
5731 *q++ = '\\';
5732 *q++ = '\\';
5733 p += 2;
5734 }
5735 else if (p[0] == '\\' && vim_iswhite(p[1]))
5736 {
5737 *q++ = p[1];
5738 p += 2;
5739 }
5740 else if (*p == '\\' || *p == '"')
5741 {
5742 *q++ = '\\';
5743 *q++ = *p++;
5744 }
5745 else if (vim_iswhite(*p))
5746 {
5747 p = skipwhite(p);
5748 if (*p == NUL)
5749 break;
5750 *q++ = '"';
5751 *q++ = ',';
5752 *q++ = '"';
5753 }
5754 else
5755 {
5756 *q++ = *p++;
5757 }
5758 }
5759 *q++ = '"';
5760 *q = 0;
5761
5762 *lenp = len;
5763 return buf;
5764 }
5765
5766 /*
5767 * Check for a <> code in a user command.
5768 * "code" points to the '<'. "len" the length of the <> (inclusive).
5769 * "buf" is where the result is to be added.
5770 * "split_buf" points to a buffer used for splitting, caller should free it.
5771 * "split_len" is the length of what "split_buf" contains.
5772 * Returns the length of the replacement, which has been added to "buf".
5773 * Returns -1 if there was no match, and only the "<" has been copied.
5774 */
5775 static size_t
5776 uc_check_code(code, len, buf, cmd, eap, split_buf, split_len)
5777 char_u *code;
5778 size_t len;
5779 char_u *buf;
5780 ucmd_T *cmd; /* the user command we're expanding */
5781 exarg_T *eap; /* ex arguments */
5782 char_u **split_buf;
5783 size_t *split_len;
5784 {
5785 size_t result = 0;
5786 char_u *p = code + 1;
5787 size_t l = len - 2;
5788 int quote = 0;
5789 enum { ct_ARGS, ct_BANG, ct_COUNT, ct_LINE1, ct_LINE2, ct_REGISTER,
5790 ct_LT, ct_NONE } type = ct_NONE;
5791
5792 if ((vim_strchr((char_u *)"qQfF", *p) != NULL) && p[1] == '-')
5793 {
5794 quote = (*p == 'q' || *p == 'Q') ? 1 : 2;
5795 p += 2;
5796 l -= 2;
5797 }
5798
5799 ++l;
5800 if (l <= 1)
5801 type = ct_NONE;
5802 else if (STRNICMP(p, "args>", l) == 0)
5803 type = ct_ARGS;
5804 else if (STRNICMP(p, "bang>", l) == 0)
5805 type = ct_BANG;
5806 else if (STRNICMP(p, "count>", l) == 0)
5807 type = ct_COUNT;
5808 else if (STRNICMP(p, "line1>", l) == 0)
5809 type = ct_LINE1;
5810 else if (STRNICMP(p, "line2>", l) == 0)
5811 type = ct_LINE2;
5812 else if (STRNICMP(p, "lt>", l) == 0)
5813 type = ct_LT;
5814 else if (STRNICMP(p, "reg>", l) == 0 || STRNICMP(p, "register>", l) == 0)
5815 type = ct_REGISTER;
5816
5817 switch (type)
5818 {
5819 case ct_ARGS:
5820 /* Simple case first */
5821 if (*eap->arg == NUL)
5822 {
5823 if (quote == 1)
5824 {
5825 result = 2;
5826 if (buf != NULL)
5827 STRCPY(buf, "''");
5828 }
5829 else
5830 result = 0;
5831 break;
5832 }
5833
5834 /* When specified there is a single argument don't split it.
5835 * Works for ":Cmd %" when % is "a b c". */
5836 if ((eap->argt & NOSPC) && quote == 2)
5837 quote = 1;
5838
5839 switch (quote)
5840 {
5841 case 0: /* No quoting, no splitting */
5842 result = STRLEN(eap->arg);
5843 if (buf != NULL)
5844 STRCPY(buf, eap->arg);
5845 break;
5846 case 1: /* Quote, but don't split */
5847 result = STRLEN(eap->arg) + 2;
5848 for (p = eap->arg; *p; ++p)
5849 {
5850 if (*p == '\\' || *p == '"')
5851 ++result;
5852 }
5853
5854 if (buf != NULL)
5855 {
5856 *buf++ = '"';
5857 for (p = eap->arg; *p; ++p)
5858 {
5859 if (*p == '\\' || *p == '"')
5860 *buf++ = '\\';
5861 *buf++ = *p;
5862 }
5863 *buf = '"';
5864 }
5865
5866 break;
5867 case 2: /* Quote and split (<f-args>) */
5868 /* This is hard, so only do it once, and cache the result */
5869 if (*split_buf == NULL)
5870 *split_buf = uc_split_args(eap->arg, split_len);
5871
5872 result = *split_len;
5873 if (buf != NULL && result != 0)
5874 STRCPY(buf, *split_buf);
5875
5876 break;
5877 }
5878 break;
5879
5880 case ct_BANG:
5881 result = eap->forceit ? 1 : 0;
5882 if (quote)
5883 result += 2;
5884 if (buf != NULL)
5885 {
5886 if (quote)
5887 *buf++ = '"';
5888 if (eap->forceit)
5889 *buf++ = '!';
5890 if (quote)
5891 *buf = '"';
5892 }
5893 break;
5894
5895 case ct_LINE1:
5896 case ct_LINE2:
5897 case ct_COUNT:
5898 {
5899 char num_buf[20];
5900 long num = (type == ct_LINE1) ? eap->line1 :
5901 (type == ct_LINE2) ? eap->line2 :
5902 (eap->addr_count > 0) ? eap->line2 : cmd->uc_def;
5903 size_t num_len;
5904
5905 sprintf(num_buf, "%ld", num);
5906 num_len = STRLEN(num_buf);
5907 result = num_len;
5908
5909 if (quote)
5910 result += 2;
5911
5912 if (buf != NULL)
5913 {
5914 if (quote)
5915 *buf++ = '"';
5916 STRCPY(buf, num_buf);
5917 buf += num_len;
5918 if (quote)
5919 *buf = '"';
5920 }
5921
5922 break;
5923 }
5924
5925 case ct_REGISTER:
5926 result = eap->regname ? 1 : 0;
5927 if (quote)
5928 result += 2;
5929 if (buf != NULL)
5930 {
5931 if (quote)
5932 *buf++ = '\'';
5933 if (eap->regname)
5934 *buf++ = eap->regname;
5935 if (quote)
5936 *buf = '\'';
5937 }
5938 break;
5939
5940 case ct_LT:
5941 result = 1;
5942 if (buf != NULL)
5943 *buf = '<';
5944 break;
5945
5946 default:
5947 /* Not recognized: just copy the '<' and return -1. */
5948 result = (size_t)-1;
5949 if (buf != NULL)
5950 *buf = '<';
5951 break;
5952 }
5953
5954 return result;
5955 }
5956
5957 static void
5958 do_ucmd(eap)
5959 exarg_T *eap;
5960 {
5961 char_u *buf;
5962 char_u *p;
5963 char_u *q;
5964
5965 char_u *start;
5966 char_u *end = NULL;
5967 char_u *ksp;
5968 size_t len, totlen;
5969
5970 size_t split_len = 0;
5971 char_u *split_buf = NULL;
5972 ucmd_T *cmd;
5973 #ifdef FEAT_EVAL
5974 scid_T save_current_SID = current_SID;
5975 #endif
5976
5977 if (eap->cmdidx == CMD_USER)
5978 cmd = USER_CMD(eap->useridx);
5979 else
5980 cmd = USER_CMD_GA(&curbuf->b_ucmds, eap->useridx);
5981
5982 /*
5983 * Replace <> in the command by the arguments.
5984 * First round: "buf" is NULL, compute length, allocate "buf".
5985 * Second round: copy result into "buf".
5986 */
5987 buf = NULL;
5988 for (;;)
5989 {
5990 p = cmd->uc_rep; /* source */
5991 q = buf; /* destination */
5992 totlen = 0;
5993
5994 for (;;)
5995 {
5996 start = vim_strchr(p, '<');
5997 if (start != NULL)
5998 end = vim_strchr(start + 1, '>');
5999 if (buf != NULL)
6000 {
6001 ksp = vim_strchr(p, K_SPECIAL);
6002 if (ksp != NULL && (start == NULL || ksp < start || end == NULL)
6003 && ((ksp[1] == KS_SPECIAL && ksp[2] == KE_FILLER)
6004 # ifdef FEAT_GUI
6005 || (ksp[1] == KS_EXTRA && ksp[2] == (int)KE_CSI)
6006 # endif
6007 ))
6008 {
6009 /* K_SPECIAL han been put in the buffer as K_SPECIAL
6010 * KS_SPECIAL KE_FILLER, like for mappings, but
6011 * do_cmdline() doesn't handle that, so convert it back.
6012 * Also change K_SPECIAL KS_EXTRA KE_CSI into CSI. */
6013 len = ksp - p;
6014 if (len > 0)
6015 {
6016 mch_memmove(q, p, len);
6017 q += len;
6018 }
6019 *q++ = ksp[1] == KS_SPECIAL ? K_SPECIAL : CSI;
6020 p = ksp + 3;
6021 continue;
6022 }
6023 }
6024
6025 /* break if there no <item> is found */
6026 if (start == NULL || end == NULL)
6027 break;
6028
6029 /* Include the '>' */
6030 ++end;
6031
6032 /* Take everything up to the '<' */
6033 len = start - p;
6034 if (buf == NULL)
6035 totlen += len;
6036 else
6037 {
6038 mch_memmove(q, p, len);
6039 q += len;
6040 }
6041
6042 len = uc_check_code(start, end - start, q, cmd, eap,
6043 &split_buf, &split_len);
6044 if (len == (size_t)-1)
6045 {
6046 /* no match, continue after '<' */
6047 p = start + 1;
6048 len = 1;
6049 }
6050 else
6051 p = end;
6052 if (buf == NULL)
6053 totlen += len;
6054 else
6055 q += len;
6056 }
6057 if (buf != NULL) /* second time here, finished */
6058 {
6059 STRCPY(q, p);
6060 break;
6061 }
6062
6063 totlen += STRLEN(p); /* Add on the trailing characters */
6064 buf = alloc((unsigned)(totlen + 1));
6065 if (buf == NULL)
6066 {
6067 vim_free(split_buf);
6068 return;
6069 }
6070 }
6071
6072 #ifdef FEAT_EVAL
6073 current_SID = cmd->uc_scriptID;
6074 #endif
6075 (void)do_cmdline(buf, eap->getline, eap->cookie,
6076 DOCMD_VERBOSE|DOCMD_NOWAIT|DOCMD_KEYTYPED);
6077 #ifdef FEAT_EVAL
6078 current_SID = save_current_SID;
6079 #endif
6080 vim_free(buf);
6081 vim_free(split_buf);
6082 }
6083
6084 # if defined(FEAT_CMDL_COMPL) || defined(PROTO)
6085 static char_u *
6086 get_user_command_name(idx)
6087 int idx;
6088 {
6089 return get_user_commands(NULL, idx - (int)CMD_SIZE);
6090 }
6091
6092 /*
6093 * Function given to ExpandGeneric() to obtain the list of user command names.
6094 */
6095 char_u *
6096 get_user_commands(xp, idx)
6097 expand_T *xp UNUSED;
6098 int idx;
6099 {
6100 if (idx < curbuf->b_ucmds.ga_len)
6101 return USER_CMD_GA(&curbuf->b_ucmds, idx)->uc_name;
6102 idx -= curbuf->b_ucmds.ga_len;
6103 if (idx < ucmds.ga_len)
6104 return USER_CMD(idx)->uc_name;
6105 return NULL;
6106 }
6107
6108 /*
6109 * Function given to ExpandGeneric() to obtain the list of user command
6110 * attributes.
6111 */
6112 char_u *
6113 get_user_cmd_flags(xp, idx)
6114 expand_T *xp UNUSED;
6115 int idx;
6116 {
6117 static char *user_cmd_flags[] =
6118 {"bang", "bar", "buffer", "complete", "count",
6119 "nargs", "range", "register"};
6120
6121 if (idx >= (int)(sizeof(user_cmd_flags) / sizeof(user_cmd_flags[0])))
6122 return NULL;
6123 return (char_u *)user_cmd_flags[idx];
6124 }
6125
6126 /*
6127 * Function given to ExpandGeneric() to obtain the list of values for -nargs.
6128 */
6129 char_u *
6130 get_user_cmd_nargs(xp, idx)
6131 expand_T *xp UNUSED;
6132 int idx;
6133 {
6134 static char *user_cmd_nargs[] = {"0", "1", "*", "?", "+"};
6135
6136 if (idx >= (int)(sizeof(user_cmd_nargs) / sizeof(user_cmd_nargs[0])))
6137 return NULL;
6138 return (char_u *)user_cmd_nargs[idx];
6139 }
6140
6141 /*
6142 * Function given to ExpandGeneric() to obtain the list of values for -complete.
6143 */
6144 char_u *
6145 get_user_cmd_complete(xp, idx)
6146 expand_T *xp UNUSED;
6147 int idx;
6148 {
6149 return (char_u *)command_complete[idx].name;
6150 }
6151 # endif /* FEAT_CMDL_COMPL */
6152
6153 #endif /* FEAT_USR_CMDS */
6154
6155 #if defined(FEAT_USR_CMDS) || defined(FEAT_EVAL) || defined(PROTO)
6156 /*
6157 * Parse a completion argument "value[vallen]".
6158 * The detected completion goes in "*complp", argument type in "*argt".
6159 * When there is an argument, for function and user defined completion, it's
6160 * copied to allocated memory and stored in "*compl_arg".
6161 * Returns FAIL if something is wrong.
6162 */
6163 int
6164 parse_compl_arg(value, vallen, complp, argt, compl_arg)
6165 char_u *value;
6166 int vallen;
6167 int *complp;
6168 long *argt;
6169 char_u **compl_arg;
6170 {
6171 char_u *arg = NULL;
6172 size_t arglen = 0;
6173 int i;
6174 int valend = vallen;
6175
6176 /* Look for any argument part - which is the part after any ',' */
6177 for (i = 0; i < vallen; ++i)
6178 {
6179 if (value[i] == ',')
6180 {
6181 arg = &value[i + 1];
6182 arglen = vallen - i - 1;
6183 valend = i;
6184 break;
6185 }
6186 }
6187
6188 for (i = 0; command_complete[i].expand != 0; ++i)
6189 {
6190 if ((int)STRLEN(command_complete[i].name) == valend
6191 && STRNCMP(value, command_complete[i].name, valend) == 0)
6192 {
6193 *complp = command_complete[i].expand;
6194 if (command_complete[i].expand == EXPAND_BUFFERS)
6195 *argt |= BUFNAME;
6196 else if (command_complete[i].expand == EXPAND_DIRECTORIES
6197 || command_complete[i].expand == EXPAND_FILES)
6198 *argt |= XFILE;
6199 break;
6200 }
6201 }
6202
6203 if (command_complete[i].expand == 0)
6204 {
6205 EMSG2(_("E180: Invalid complete value: %s"), value);
6206 return FAIL;
6207 }
6208
6209 # if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL)
6210 if (*complp != EXPAND_USER_DEFINED && *complp != EXPAND_USER_LIST
6211 && arg != NULL)
6212 # else
6213 if (arg != NULL)
6214 # endif
6215 {
6216 EMSG(_("E468: Completion argument only allowed for custom completion"));
6217 return FAIL;
6218 }
6219
6220 # if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL)
6221 if ((*complp == EXPAND_USER_DEFINED || *complp == EXPAND_USER_LIST)
6222 && arg == NULL)
6223 {
6224 EMSG(_("E467: Custom completion requires a function argument"));
6225 return FAIL;
6226 }
6227
6228 if (arg != NULL)
6229 *compl_arg = vim_strnsave(arg, (int)arglen);
6230 # endif
6231 return OK;
6232 }
6233 #endif
6234
6235 static void
6236 ex_colorscheme(eap)
6237 exarg_T *eap;
6238 {
6239 if (load_colors(eap->arg) == FAIL)
6240 EMSG2(_("E185: Cannot find color scheme %s"), eap->arg);
6241 }
6242
6243 static void
6244 ex_highlight(eap)
6245 exarg_T *eap;
6246 {
6247 if (*eap->arg == NUL && eap->cmd[2] == '!')
6248 MSG(_("Greetings, Vim user!"));
6249 do_highlight(eap->arg, eap->forceit, FALSE);
6250 }
6251
6252
6253 /*
6254 * Call this function if we thought we were going to exit, but we won't
6255 * (because of an error). May need to restore the terminal mode.
6256 */
6257 void
6258 not_exiting()
6259 {
6260 exiting = FALSE;
6261 settmode(TMODE_RAW);
6262 }
6263
6264 /*
6265 * ":quit": quit current window, quit Vim if closed the last window.
6266 */
6267 static void
6268 ex_quit(eap)
6269 exarg_T *eap;
6270 {
6271 #ifdef FEAT_CMDWIN
6272 if (cmdwin_type != 0)
6273 {
6274 cmdwin_result = Ctrl_C;
6275 return;
6276 }
6277 #endif
6278 /* Don't quit while editing the command line. */
6279 if (text_locked())
6280 {
6281 text_locked_msg();
6282 return;
6283 }
6284 #ifdef FEAT_AUTOCMD
6285 if (curbuf_locked())
6286 return;
6287 #endif
6288
6289 #ifdef FEAT_NETBEANS_INTG
6290 netbeansForcedQuit = eap->forceit;
6291 #endif
6292
6293 /*
6294 * If there are more files or windows we won't exit.
6295 */
6296 if (check_more(FALSE, eap->forceit) == OK && only_one_window())
6297 exiting = TRUE;
6298 if ((!P_HID(curbuf)
6299 && check_changed(curbuf, p_awa, FALSE, eap->forceit, FALSE))
6300 || check_more(TRUE, eap->forceit) == FAIL
6301 || (only_one_window() && check_changed_any(eap->forceit)))
6302 {
6303 not_exiting();
6304 }
6305 else
6306 {
6307 #ifdef FEAT_WINDOWS
6308 if (only_one_window()) /* quit last window */
6309 #endif
6310 getout(0);
6311 #ifdef FEAT_WINDOWS
6312 # ifdef FEAT_GUI
6313 need_mouse_correct = TRUE;
6314 # endif
6315 /* close window; may free buffer */
6316 win_close(curwin, !P_HID(curwin->w_buffer) || eap->forceit);
6317 #endif
6318 }
6319 }
6320
6321 /*
6322 * ":cquit".
6323 */
6324 static void
6325 ex_cquit(eap)
6326 exarg_T *eap UNUSED;
6327 {
6328 getout(1); /* this does not always pass on the exit code to the Manx
6329 compiler. why? */
6330 }
6331
6332 /*
6333 * ":qall": try to quit all windows
6334 */
6335 static void
6336 ex_quit_all(eap)
6337 exarg_T *eap;
6338 {
6339 # ifdef FEAT_CMDWIN
6340 if (cmdwin_type != 0)
6341 {
6342 if (eap->forceit)
6343 cmdwin_result = K_XF1; /* ex_window() takes care of this */
6344 else
6345 cmdwin_result = K_XF2;
6346 return;
6347 }
6348 # endif
6349
6350 /* Don't quit while editing the command line. */
6351 if (text_locked())
6352 {
6353 text_locked_msg();
6354 return;
6355 }
6356 #ifdef FEAT_AUTOCMD
6357 if (curbuf_locked())
6358 return;
6359 #endif
6360
6361 exiting = TRUE;
6362 if (eap->forceit || !check_changed_any(FALSE))
6363 getout(0);
6364 not_exiting();
6365 }
6366
6367 #if defined(FEAT_WINDOWS) || defined(PROTO)
6368 /*
6369 * ":close": close current window, unless it is the last one
6370 */
6371 static void
6372 ex_close(eap)
6373 exarg_T *eap;
6374 {
6375 # ifdef FEAT_CMDWIN
6376 if (cmdwin_type != 0)
6377 cmdwin_result = K_IGNORE;
6378 else
6379 # endif
6380 if (!text_locked()
6381 #ifdef FEAT_AUTOCMD
6382 && !curbuf_locked()
6383 #endif
6384 )
6385 ex_win_close(eap->forceit, curwin, NULL);
6386 }
6387
6388 # ifdef FEAT_QUICKFIX
6389 /*
6390 * ":pclose": Close any preview window.
6391 */
6392 static void
6393 ex_pclose(eap)
6394 exarg_T *eap;
6395 {
6396 win_T *win;
6397
6398 for (win = firstwin; win != NULL; win = win->w_next)
6399 if (win->w_p_pvw)
6400 {
6401 ex_win_close(eap->forceit, win, NULL);
6402 break;
6403 }
6404 }
6405 # endif
6406
6407 /*
6408 * Close window "win" and take care of handling closing the last window for a
6409 * modified buffer.
6410 */
6411 static void
6412 ex_win_close(forceit, win, tp)
6413 int forceit;
6414 win_T *win;
6415 tabpage_T *tp; /* NULL or the tab page "win" is in */
6416 {
6417 int need_hide;
6418 buf_T *buf = win->w_buffer;
6419
6420 need_hide = (bufIsChanged(buf) && buf->b_nwindows <= 1);
6421 if (need_hide && !P_HID(buf) && !forceit)
6422 {
6423 # if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG)
6424 if ((p_confirm || cmdmod.confirm) && p_write)
6425 {
6426 dialog_changed(buf, FALSE);
6427 if (buf_valid(buf) && bufIsChanged(buf))
6428 return;
6429 need_hide = FALSE;
6430 }
6431 else
6432 # endif
6433 {
6434 EMSG(_(e_nowrtmsg));
6435 return;
6436 }
6437 }
6438
6439 # ifdef FEAT_GUI
6440 need_mouse_correct = TRUE;
6441 # endif
6442
6443 /* free buffer when not hiding it or when it's a scratch buffer */
6444 if (tp == NULL)
6445 win_close(win, !need_hide && !P_HID(buf));
6446 else
6447 win_close_othertab(win, !need_hide && !P_HID(buf), tp);
6448 }
6449
6450 /*
6451 * ":tabclose": close current tab page, unless it is the last one.
6452 * ":tabclose N": close tab page N.
6453 */
6454 static void
6455 ex_tabclose(eap)
6456 exarg_T *eap;
6457 {
6458 tabpage_T *tp;
6459
6460 # ifdef FEAT_CMDWIN
6461 if (cmdwin_type != 0)
6462 cmdwin_result = K_IGNORE;
6463 else
6464 # endif
6465 if (first_tabpage->tp_next == NULL)
6466 EMSG(_("E784: Cannot close last tab page"));
6467 else
6468 {
6469 if (eap->addr_count > 0)
6470 {
6471 tp = find_tabpage((int)eap->line2);
6472 if (tp == NULL)
6473 {
6474 beep_flush();
6475 return;
6476 }
6477 if (tp != curtab)
6478 {
6479 tabpage_close_other(tp, eap->forceit);
6480 return;
6481 }
6482 }
6483 if (!text_locked()
6484 #ifdef FEAT_AUTOCMD
6485 && !curbuf_locked()
6486 #endif
6487 )
6488 tabpage_close(eap->forceit);
6489 }
6490 }
6491
6492 /*
6493 * ":tabonly": close all tab pages except the current one
6494 */
6495 static void
6496 ex_tabonly(eap)
6497 exarg_T *eap;
6498 {
6499 tabpage_T *tp;
6500 int done;
6501
6502 # ifdef FEAT_CMDWIN
6503 if (cmdwin_type != 0)
6504 cmdwin_result = K_IGNORE;
6505 else
6506 # endif
6507 if (first_tabpage->tp_next == NULL)
6508 MSG(_("Already only one tab page"));
6509 else
6510 {
6511 /* Repeat this up to a 1000 times, because autocommands may mess
6512 * up the lists. */
6513 for (done = 0; done < 1000; ++done)
6514 {
6515 for (tp = first_tabpage; tp != NULL; tp = tp->tp_next)
6516 if (tp->tp_topframe != topframe)
6517 {
6518 tabpage_close_other(tp, eap->forceit);
6519 /* if we failed to close it quit */
6520 if (valid_tabpage(tp))
6521 done = 1000;
6522 /* start over, "tp" is now invalid */
6523 break;
6524 }
6525 if (first_tabpage->tp_next == NULL)
6526 break;
6527 }
6528 }
6529 }
6530
6531 /*
6532 * Close the current tab page.
6533 */
6534 void
6535 tabpage_close(forceit)
6536 int forceit;
6537 {
6538 /* First close all the windows but the current one. If that worked then
6539 * close the last window in this tab, that will close it. */
6540 if (lastwin != firstwin)
6541 close_others(TRUE, forceit);
6542 if (lastwin == firstwin)
6543 ex_win_close(forceit, curwin, NULL);
6544 # ifdef FEAT_GUI
6545 need_mouse_correct = TRUE;
6546 # endif
6547 }
6548
6549 /*
6550 * Close tab page "tp", which is not the current tab page.
6551 * Note that autocommands may make "tp" invalid.
6552 * Also takes care of the tab pages line disappearing when closing the
6553 * last-but-one tab page.
6554 */
6555 void
6556 tabpage_close_other(tp, forceit)
6557 tabpage_T *tp;
6558 int forceit;
6559 {
6560 int done = 0;
6561 win_T *wp;
6562 int h = tabline_height();
6563
6564 /* Limit to 1000 windows, autocommands may add a window while we close
6565 * one. OK, so I'm paranoid... */
6566 while (++done < 1000)
6567 {
6568 wp = tp->tp_firstwin;
6569 ex_win_close(forceit, wp, tp);
6570
6571 /* Autocommands may delete the tab page under our fingers and we may
6572 * fail to close a window with a modified buffer. */
6573 if (!valid_tabpage(tp) || tp->tp_firstwin == wp)
6574 break;
6575 }
6576
6577 redraw_tabline = TRUE;
6578 if (h != tabline_height())
6579 shell_new_rows();
6580 }
6581
6582 /*
6583 * ":only".
6584 */
6585 static void
6586 ex_only(eap)
6587 exarg_T *eap;
6588 {
6589 # ifdef FEAT_GUI
6590 need_mouse_correct = TRUE;
6591 # endif
6592 close_others(TRUE, eap->forceit);
6593 }
6594
6595 /*
6596 * ":all" and ":sall".
6597 * Also used for ":tab drop file ..." after setting the argument list.
6598 */
6599 void
6600 ex_all(eap)
6601 exarg_T *eap;
6602 {
6603 if (eap->addr_count == 0)
6604 eap->line2 = 9999;
6605 do_arg_all((int)eap->line2, eap->forceit, eap->cmdidx == CMD_drop);
6606 }
6607 #endif /* FEAT_WINDOWS */
6608
6609 static void
6610 ex_hide(eap)
6611 exarg_T *eap;
6612 {
6613 if (*eap->arg != NUL && check_nextcmd(eap->arg) == NULL)
6614 eap->errmsg = e_invarg;
6615 else
6616 {
6617 /* ":hide" or ":hide | cmd": hide current window */
6618 eap->nextcmd = check_nextcmd(eap->arg);
6619 #ifdef FEAT_WINDOWS
6620 if (!eap->skip)
6621 {
6622 # ifdef FEAT_GUI
6623 need_mouse_correct = TRUE;
6624 # endif
6625 win_close(curwin, FALSE); /* don't free buffer */
6626 }
6627 #endif
6628 }
6629 }
6630
6631 /*
6632 * ":stop" and ":suspend": Suspend Vim.
6633 */
6634 static void
6635 ex_stop(eap)
6636 exarg_T *eap;
6637 {
6638 /*
6639 * Disallow suspending for "rvim".
6640 */
6641 if (!check_restricted()
6642 #ifdef WIN3264
6643 /*
6644 * Check if external commands are allowed now.
6645 */
6646 && can_end_termcap_mode(TRUE)
6647 #endif
6648 )
6649 {
6650 if (!eap->forceit)
6651 autowrite_all();
6652 windgoto((int)Rows - 1, 0);
6653 out_char('\n');
6654 out_flush();
6655 stoptermcap();
6656 out_flush(); /* needed for SUN to restore xterm buffer */
6657 #ifdef FEAT_TITLE
6658 mch_restore_title(3); /* restore window titles */
6659 #endif
6660 ui_suspend(); /* call machine specific function */
6661 #ifdef FEAT_TITLE
6662 maketitle();
6663 resettitle(); /* force updating the title */
6664 #endif
6665 starttermcap();
6666 scroll_start(); /* scroll screen before redrawing */
6667 redraw_later_clear();
6668 shell_resized(); /* may have resized window */
6669 }
6670 }
6671
6672 /*
6673 * ":exit", ":xit" and ":wq": Write file and exit Vim.
6674 */
6675 static void
6676 ex_exit(eap)
6677 exarg_T *eap;
6678 {
6679 #ifdef FEAT_CMDWIN
6680 if (cmdwin_type != 0)
6681 {
6682 cmdwin_result = Ctrl_C;
6683 return;
6684 }
6685 #endif
6686 /* Don't quit while editing the command line. */
6687 if (text_locked())
6688 {
6689 text_locked_msg();
6690 return;
6691 }
6692 #ifdef FEAT_AUTOCMD
6693 if (curbuf_locked())
6694 return;
6695 #endif
6696
6697 /*
6698 * if more files or windows we won't exit
6699 */
6700 if (check_more(FALSE, eap->forceit) == OK && only_one_window())
6701 exiting = TRUE;
6702 if ( ((eap->cmdidx == CMD_wq
6703 || curbufIsChanged())
6704 && do_write(eap) == FAIL)
6705 || check_more(TRUE, eap->forceit) == FAIL
6706 || (only_one_window() && check_changed_any(eap->forceit)))
6707 {
6708 not_exiting();
6709 }
6710 else
6711 {
6712 #ifdef FEAT_WINDOWS
6713 if (only_one_window()) /* quit last window, exit Vim */
6714 #endif
6715 getout(0);
6716 #ifdef FEAT_WINDOWS
6717 # ifdef FEAT_GUI
6718 need_mouse_correct = TRUE;
6719 # endif
6720 /* quit current window, may free buffer */
6721 win_close(curwin, !P_HID(curwin->w_buffer));
6722 #endif
6723 }
6724 }
6725
6726 /*
6727 * ":print", ":list", ":number".
6728 */
6729 static void
6730 ex_print(eap)
6731 exarg_T *eap;
6732 {
6733 if (curbuf->b_ml.ml_flags & ML_EMPTY)
6734 EMSG(_(e_emptybuf));
6735 else
6736 {
6737 for ( ;!got_int; ui_breakcheck())
6738 {
6739 print_line(eap->line1,
6740 (eap->cmdidx == CMD_number || eap->cmdidx == CMD_pound
6741 || (eap->flags & EXFLAG_NR)),
6742 eap->cmdidx == CMD_list || (eap->flags & EXFLAG_LIST));
6743 if (++eap->line1 > eap->line2)
6744 break;
6745 out_flush(); /* show one line at a time */
6746 }
6747 setpcmark();
6748 /* put cursor at last line */
6749 curwin->w_cursor.lnum = eap->line2;
6750 beginline(BL_SOL | BL_FIX);
6751 }
6752
6753 ex_no_reprint = TRUE;
6754 }
6755
6756 #ifdef FEAT_BYTEOFF
6757 static void
6758 ex_goto(eap)
6759 exarg_T *eap;
6760 {
6761 goto_byte(eap->line2);
6762 }
6763 #endif
6764
6765 /*
6766 * ":shell".
6767 */
6768 static void
6769 ex_shell(eap)
6770 exarg_T *eap UNUSED;
6771 {
6772 do_shell(NULL, 0);
6773 }
6774
6775 #if (defined(FEAT_WINDOWS) && defined(HAVE_DROP_FILE)) \
6776 || (defined(FEAT_GUI_GTK) && defined(FEAT_DND)) \
6777 || defined(FEAT_GUI_MSWIN) \
6778 || defined(FEAT_GUI_MAC) \
6779 || defined(PROTO) \
6780 || defined(FEAT_GUI_MACVIM)
6781
6782 /*
6783 * Handle a file drop. The code is here because a drop is *nearly* like an
6784 * :args command, but not quite (we have a list of exact filenames, so we
6785 * don't want to (a) parse a command line, or (b) expand wildcards. So the
6786 * code is very similar to :args and hence needs access to a lot of the static
6787 * functions in this file.
6788 *
6789 * The list should be allocated using alloc(), as should each item in the
6790 * list. This function takes over responsibility for freeing the list.
6791 *
6792 * XXX The list is made into the argument list. This is freed using
6793 * FreeWild(), which does a series of vim_free() calls, unless the two defines
6794 * __EMX__ and __ALWAYS_HAS_TRAILING_NUL_POINTER are set. In this case, a
6795 * routine _fnexplodefree() is used. This may cause problems, but as the drop
6796 * file functionality is (currently) not in EMX this is not presently a
6797 * problem.
6798 */
6799 void
6800 handle_drop(filec, filev, split)
6801 int filec; /* the number of files dropped */
6802 char_u **filev; /* the list of files dropped */
6803 int split; /* force splitting the window */
6804 {
6805 exarg_T ea;
6806 int save_msg_scroll = msg_scroll;
6807
6808 /* Postpone this while editing the command line. */
6809 if (text_locked())
6810 return;
6811 #ifdef FEAT_AUTOCMD
6812 if (curbuf_locked())
6813 return;
6814 #endif
6815 /* When the screen is being updated we should not change buffers and
6816 * windows structures, it may cause freed memory to be used. */
6817 if (updating_screen)
6818 return;
6819
6820 /* Check whether the current buffer is changed. If so, we will need
6821 * to split the current window or data could be lost.
6822 * We don't need to check if the 'hidden' option is set, as in this
6823 * case the buffer won't be lost.
6824 */
6825 if (!P_HID(curbuf) && !split)
6826 {
6827 ++emsg_off;
6828 split = check_changed(curbuf, TRUE, FALSE, FALSE, FALSE);
6829 --emsg_off;
6830 }
6831 if (split)
6832 {
6833 # ifdef FEAT_WINDOWS
6834 if (win_split(0, 0) == FAIL)
6835 return;
6836 # ifdef FEAT_SCROLLBIND
6837 curwin->w_p_scb = FALSE;
6838 # endif
6839
6840 /* When splitting the window, create a new alist. Otherwise the
6841 * existing one is overwritten. */
6842 alist_unlink(curwin->w_alist);
6843 alist_new();
6844 # else
6845 return; /* can't split, always fail */
6846 # endif
6847 }
6848
6849 /*
6850 * Set up the new argument list.
6851 */
6852 alist_set(ALIST(curwin), filec, filev, FALSE, NULL, 0);
6853
6854 /*
6855 * Move to the first file.
6856 */
6857 /* Fake up a minimal "next" command for do_argfile() */
6858 vim_memset(&ea, 0, sizeof(ea));
6859 ea.cmd = (char_u *)"next";
6860 do_argfile(&ea, 0);
6861
6862 /* do_ecmd() may set need_start_insertmode, but since we never left Insert
6863 * mode that is not needed here. */
6864 need_start_insertmode = FALSE;
6865
6866 /* Restore msg_scroll, otherwise a following command may cause scrolling
6867 * unexpectedly. The screen will be redrawn by the caller, thus
6868 * msg_scroll being set by displaying a message is irrelevant. */
6869 msg_scroll = save_msg_scroll;
6870 }
6871 #endif
6872
6873 /*
6874 * Clear an argument list: free all file names and reset it to zero entries.
6875 */
6876 void
6877 alist_clear(al)
6878 alist_T *al;
6879 {
6880 while (--al->al_ga.ga_len >= 0)
6881 vim_free(AARGLIST(al)[al->al_ga.ga_len].ae_fname);
6882 ga_clear(&al->al_ga);
6883 }
6884
6885 /*
6886 * Init an argument list.
6887 */
6888 void
6889 alist_init(al)
6890 alist_T *al;
6891 {
6892 ga_init2(&al->al_ga, (int)sizeof(aentry_T), 5);
6893 }
6894
6895 #if defined(FEAT_WINDOWS) || defined(PROTO)
6896
6897 /*
6898 * Remove a reference from an argument list.
6899 * Ignored when the argument list is the global one.
6900 * If the argument list is no longer used by any window, free it.
6901 */
6902 void
6903 alist_unlink(al)
6904 alist_T *al;
6905 {
6906 if (al != &global_alist && --al->al_refcount <= 0)
6907 {
6908 alist_clear(al);
6909 vim_free(al);
6910 }
6911 }
6912
6913 # if defined(FEAT_LISTCMDS) || defined(HAVE_DROP_FILE) || defined(PROTO)
6914 /*
6915 * Create a new argument list and use it for the current window.
6916 */
6917 void
6918 alist_new()
6919 {
6920 curwin->w_alist = (alist_T *)alloc((unsigned)sizeof(alist_T));
6921 if (curwin->w_alist == NULL)
6922 {
6923 curwin->w_alist = &global_alist;
6924 ++global_alist.al_refcount;
6925 }
6926 else
6927 {
6928 curwin->w_alist->al_refcount = 1;
6929 alist_init(curwin->w_alist);
6930 }
6931 }
6932 # endif
6933 #endif
6934
6935 #if (!defined(UNIX) && !defined(__EMX__)) || defined(ARCHIE) || defined(PROTO)
6936 /*
6937 * Expand the file names in the global argument list.
6938 * If "fnum_list" is not NULL, use "fnum_list[fnum_len]" as a list of buffer
6939 * numbers to be re-used.
6940 */
6941 void
6942 alist_expand(fnum_list, fnum_len)
6943 int *fnum_list;
6944 int fnum_len;
6945 {
6946 char_u **old_arg_files;
6947 int old_arg_count;
6948 char_u **new_arg_files;
6949 int new_arg_file_count;
6950 char_u *save_p_su = p_su;
6951 int i;
6952
6953 /* Don't use 'suffixes' here. This should work like the shell did the
6954 * expansion. Also, the vimrc file isn't read yet, thus the user
6955 * can't set the options. */
6956 p_su = empty_option;
6957 old_arg_files = (char_u **)alloc((unsigned)(sizeof(char_u *) * GARGCOUNT));
6958 if (old_arg_files != NULL)
6959 {
6960 for (i = 0; i < GARGCOUNT; ++i)
6961 old_arg_files[i] = vim_strsave(GARGLIST[i].ae_fname);
6962 old_arg_count = GARGCOUNT;
6963 if (expand_wildcards(old_arg_count, old_arg_files,
6964 &new_arg_file_count, &new_arg_files,
6965 EW_FILE|EW_NOTFOUND|EW_ADDSLASH) == OK
6966 && new_arg_file_count > 0)
6967 {
6968 alist_set(&global_alist, new_arg_file_count, new_arg_files,
6969 TRUE, fnum_list, fnum_len);
6970 FreeWild(old_arg_count, old_arg_files);
6971 }
6972 }
6973 p_su = save_p_su;
6974 }
6975 #endif
6976
6977 /*
6978 * Set the argument list for the current window.
6979 * Takes over the allocated files[] and the allocated fnames in it.
6980 */
6981 void
6982 alist_set(al, count, files, use_curbuf, fnum_list, fnum_len)
6983 alist_T *al;
6984 int count;
6985 char_u **files;
6986 int use_curbuf;
6987 int *fnum_list;
6988 int fnum_len;
6989 {
6990 int i;
6991
6992 alist_clear(al);
6993 if (ga_grow(&al->al_ga, count) == OK)
6994 {
6995 for (i = 0; i < count; ++i)
6996 {
6997 if (got_int)
6998 {
6999 /* When adding many buffers this can take a long time. Allow
7000 * interrupting here. */
7001 while (i < count)
7002 vim_free(files[i++]);
7003 break;
7004 }
7005
7006 /* May set buffer name of a buffer previously used for the
7007 * argument list, so that it's re-used by alist_add. */
7008 if (fnum_list != NULL && i < fnum_len)
7009 buf_set_name(fnum_list[i], files[i]);
7010
7011 alist_add(al, files[i], use_curbuf ? 2 : 1);
7012 ui_breakcheck();
7013 }
7014 vim_free(files);
7015 }
7016 else
7017 FreeWild(count, files);
7018 #ifdef FEAT_WINDOWS
7019 if (al == &global_alist)
7020 #endif
7021 arg_had_last = FALSE;
7022 }
7023
7024 /*
7025 * Add file "fname" to argument list "al".
7026 * "fname" must have been allocated and "al" must have been checked for room.
7027 */
7028 void
7029 alist_add(al, fname, set_fnum)
7030 alist_T *al;
7031 char_u *fname;
7032 int set_fnum; /* 1: set buffer number; 2: re-use curbuf */
7033 {
7034 if (fname == NULL) /* don't add NULL file names */
7035 return;
7036 #ifdef BACKSLASH_IN_FILENAME
7037 slash_adjust(fname);
7038 #endif
7039 AARGLIST(al)[al->al_ga.ga_len].ae_fname = fname;
7040 if (set_fnum > 0)
7041 AARGLIST(al)[al->al_ga.ga_len].ae_fnum =
7042 buflist_add(fname, BLN_LISTED | (set_fnum == 2 ? BLN_CURBUF : 0));
7043 ++al->al_ga.ga_len;
7044 }
7045
7046 #if defined(BACKSLASH_IN_FILENAME) || defined(PROTO)
7047 /*
7048 * Adjust slashes in file names. Called after 'shellslash' was set.
7049 */
7050 void
7051 alist_slash_adjust()
7052 {
7053 int i;
7054 # ifdef FEAT_WINDOWS
7055 win_T *wp;
7056 tabpage_T *tp;
7057 # endif
7058
7059 for (i = 0; i < GARGCOUNT; ++i)
7060 if (GARGLIST[i].ae_fname != NULL)
7061 slash_adjust(GARGLIST[i].ae_fname);
7062 # ifdef FEAT_WINDOWS
7063 FOR_ALL_TAB_WINDOWS(tp, wp)
7064 if (wp->w_alist != &global_alist)
7065 for (i = 0; i < WARGCOUNT(wp); ++i)
7066 if (WARGLIST(wp)[i].ae_fname != NULL)
7067 slash_adjust(WARGLIST(wp)[i].ae_fname);
7068 # endif
7069 }
7070 #endif
7071
7072 /*
7073 * ":preserve".
7074 */
7075 static void
7076 ex_preserve(eap)
7077 exarg_T *eap UNUSED;
7078 {
7079 curbuf->b_flags |= BF_PRESERVED;
7080 ml_preserve(curbuf, TRUE);
7081 }
7082
7083 /*
7084 * ":recover".
7085 */
7086 static void
7087 ex_recover(eap)
7088 exarg_T *eap;
7089 {
7090 /* Set recoverymode right away to avoid the ATTENTION prompt. */
7091 recoverymode = TRUE;
7092 if (!check_changed(curbuf, p_awa, TRUE, eap->forceit, FALSE)
7093 && (*eap->arg == NUL
7094 || setfname(curbuf, eap->arg, NULL, TRUE) == OK))
7095 ml_recover();
7096 recoverymode = FALSE;
7097 }
7098
7099 /*
7100 * Command modifier used in a wrong way.
7101 */
7102 static void
7103 ex_wrongmodifier(eap)
7104 exarg_T *eap;
7105 {
7106 eap->errmsg = e_invcmd;
7107 }
7108
7109 #ifdef FEAT_WINDOWS
7110 /*
7111 * :sview [+command] file split window with new file, read-only
7112 * :split [[+command] file] split window with current or new file
7113 * :vsplit [[+command] file] split window vertically with current or new file
7114 * :new [[+command] file] split window with no or new file
7115 * :vnew [[+command] file] split vertically window with no or new file
7116 * :sfind [+command] file split window with file in 'path'
7117 *
7118 * :tabedit open new Tab page with empty window
7119 * :tabedit [+command] file open new Tab page and edit "file"
7120 * :tabnew [[+command] file] just like :tabedit
7121 * :tabfind [+command] file open new Tab page and find "file"
7122 */
7123 void
7124 ex_splitview(eap)
7125 exarg_T *eap;
7126 {
7127 win_T *old_curwin = curwin;
7128 # if defined(FEAT_SEARCHPATH) || defined(FEAT_BROWSE)
7129 char_u *fname = NULL;
7130 # endif
7131 # ifdef FEAT_BROWSE
7132 int browse_flag = cmdmod.browse;
7133 # endif
7134
7135 # ifndef FEAT_VERTSPLIT
7136 if (eap->cmdidx == CMD_vsplit || eap->cmdidx == CMD_vnew)
7137 {
7138 ex_ni(eap);
7139 return;
7140 }
7141 # endif
7142
7143 # ifdef FEAT_GUI
7144 need_mouse_correct = TRUE;
7145 # endif
7146
7147 # ifdef FEAT_QUICKFIX
7148 /* A ":split" in the quickfix window works like ":new". Don't want two
7149 * quickfix windows. But it's OK when doing ":tab split". */
7150 if (bt_quickfix(curbuf) && cmdmod.tab == 0)
7151 {
7152 if (eap->cmdidx == CMD_split)
7153 eap->cmdidx = CMD_new;
7154 # ifdef FEAT_VERTSPLIT
7155 if (eap->cmdidx == CMD_vsplit)
7156 eap->cmdidx = CMD_vnew;
7157 # endif
7158 }
7159 # endif
7160
7161 # ifdef FEAT_SEARCHPATH
7162 if (eap->cmdidx == CMD_sfind || eap->cmdidx == CMD_tabfind)
7163 {
7164 fname = find_file_in_path(eap->arg, (int)STRLEN(eap->arg),
7165 FNAME_MESS, TRUE, curbuf->b_ffname);
7166 if (fname == NULL)
7167 goto theend;
7168 eap->arg = fname;
7169 }
7170 # ifdef FEAT_BROWSE
7171 else
7172 # endif
7173 # endif
7174 # ifdef FEAT_BROWSE
7175 if (cmdmod.browse
7176 # ifdef FEAT_VERTSPLIT
7177 && eap->cmdidx != CMD_vnew
7178 # endif
7179 && eap->cmdidx != CMD_new)
7180 {
7181 # ifdef FEAT_AUTOCMD
7182 if (
7183 # ifdef FEAT_GUI
7184 !gui.in_use &&
7185 # endif
7186 au_has_group((char_u *)"FileExplorer"))
7187 {
7188 /* No browsing supported but we do have the file explorer:
7189 * Edit the directory. */
7190 if (*eap->arg == NUL || !mch_isdir(eap->arg))
7191 eap->arg = (char_u *)".";
7192 }
7193 else
7194 # endif
7195 {
7196 fname = do_browse(0, (char_u *)_("Edit File in new window"),
7197 eap->arg, NULL, NULL, NULL, curbuf);
7198 if (fname == NULL)
7199 goto theend;
7200 eap->arg = fname;
7201 }
7202 }
7203 cmdmod.browse = FALSE; /* Don't browse again in do_ecmd(). */
7204 # endif
7205
7206 /*
7207 * Either open new tab page or split the window.
7208 */
7209 if (eap->cmdidx == CMD_tabedit
7210 || eap->cmdidx == CMD_tabfind
7211 || eap->cmdidx == CMD_tabnew)
7212 {
7213 if (win_new_tabpage(cmdmod.tab != 0 ? cmdmod.tab
7214 : eap->addr_count == 0 ? 0
7215 : (int)eap->line2 + 1) != FAIL)
7216 {
7217 do_exedit(eap, old_curwin);
7218
7219 /* set the alternate buffer for the window we came from */
7220 if (curwin != old_curwin
7221 && win_valid(old_curwin)
7222 && old_curwin->w_buffer != curbuf
7223 && !cmdmod.keepalt)
7224 old_curwin->w_alt_fnum = curbuf->b_fnum;
7225 }
7226 }
7227 else if (win_split(eap->addr_count > 0 ? (int)eap->line2 : 0,
7228 *eap->cmd == 'v' ? WSP_VERT : 0) != FAIL)
7229 {
7230 # ifdef FEAT_SCROLLBIND
7231 /* Reset 'scrollbind' when editing another file, but keep it when
7232 * doing ":split" without arguments. */
7233 if (*eap->arg != NUL
7234 # ifdef FEAT_BROWSE
7235 || cmdmod.browse
7236 # endif
7237 )
7238 curwin->w_p_scb = FALSE;
7239 else
7240 do_check_scrollbind(FALSE);
7241 # endif
7242 do_exedit(eap, old_curwin);
7243 }
7244
7245 # ifdef FEAT_BROWSE
7246 cmdmod.browse = browse_flag;
7247 # endif
7248
7249 # if defined(FEAT_SEARCHPATH) || defined(FEAT_BROWSE)
7250 theend:
7251 vim_free(fname);
7252 # endif
7253 }
7254
7255 /*
7256 * Open a new tab page.
7257 */
7258 void
7259 tabpage_new()
7260 {
7261 exarg_T ea;
7262
7263 vim_memset(&ea, 0, sizeof(ea));
7264 ea.cmdidx = CMD_tabnew;
7265 ea.cmd = (char_u *)"tabn";
7266 ea.arg = (char_u *)"";
7267 ex_splitview(&ea);
7268 }
7269
7270 /*
7271 * :tabnext command
7272 */
7273 static void
7274 ex_tabnext(eap)
7275 exarg_T *eap;
7276 {
7277 switch (eap->cmdidx)
7278 {
7279 case CMD_tabfirst:
7280 case CMD_tabrewind:
7281 goto_tabpage(1);
7282 break;
7283 case CMD_tablast:
7284 goto_tabpage(9999);
7285 break;
7286 case CMD_tabprevious:
7287 case CMD_tabNext:
7288 goto_tabpage(eap->addr_count == 0 ? -1 : -(int)eap->line2);
7289 break;
7290 default: /* CMD_tabnext */
7291 goto_tabpage(eap->addr_count == 0 ? 0 : (int)eap->line2);
7292 break;
7293 }
7294 }
7295
7296 /*
7297 * :tabmove command
7298 */
7299 static void
7300 ex_tabmove(eap)
7301 exarg_T *eap;
7302 {
7303 tabpage_move(eap->addr_count == 0 ? 9999 : (int)eap->line2);
7304 }
7305
7306 /*
7307 * :tabs command: List tabs and their contents.
7308 */
7309 static void
7310 ex_tabs(eap)
7311 exarg_T *eap UNUSED;
7312 {
7313 tabpage_T *tp;
7314 win_T *wp;
7315 int tabcount = 1;
7316
7317 msg_start();
7318 msg_scroll = TRUE;
7319 for (tp = first_tabpage; tp != NULL && !got_int; tp = tp->tp_next)
7320 {
7321 msg_putchar('\n');
7322 vim_snprintf((char *)IObuff, IOSIZE, _("Tab page %d"), tabcount++);
7323 msg_outtrans_attr(IObuff, hl_attr(HLF_T));
7324 out_flush(); /* output one line at a time */
7325 ui_breakcheck();
7326
7327 if (tp == curtab)
7328 wp = firstwin;
7329 else
7330 wp = tp->tp_firstwin;
7331 for ( ; wp != NULL && !got_int; wp = wp->w_next)
7332 {
7333 msg_putchar('\n');
7334 msg_putchar(wp == curwin ? '>' : ' ');
7335 msg_putchar(' ');
7336 msg_putchar(bufIsChanged(wp->w_buffer) ? '+' : ' ');
7337 msg_putchar(' ');
7338 if (buf_spname(wp->w_buffer) != NULL)
7339 STRCPY(IObuff, buf_spname(wp->w_buffer));
7340 else
7341 home_replace(wp->w_buffer, wp->w_buffer->b_fname,
7342 IObuff, IOSIZE, TRUE);
7343 msg_outtrans(IObuff);
7344 out_flush(); /* output one line at a time */
7345 ui_breakcheck();
7346 }
7347 }
7348 }
7349
7350 #endif /* FEAT_WINDOWS */
7351
7352 /*
7353 * ":mode": Set screen mode.
7354 * If no argument given, just get the screen size and redraw.
7355 */
7356 static void
7357 ex_mode(eap)
7358 exarg_T *eap;
7359 {
7360 if (*eap->arg == NUL)
7361 shell_resized();
7362 else
7363 mch_screenmode(eap->arg);
7364 }
7365
7366 #ifdef FEAT_WINDOWS
7367 /*
7368 * ":resize".
7369 * set, increment or decrement current window height
7370 */
7371 static void
7372 ex_resize(eap)
7373 exarg_T *eap;
7374 {
7375 int n;
7376 win_T *wp = curwin;
7377
7378 if (eap->addr_count > 0)
7379 {
7380 n = eap->line2;
7381 for (wp = firstwin; wp->w_next != NULL && --n > 0; wp = wp->w_next)
7382 ;
7383 }
7384
7385 #ifdef FEAT_GUI
7386 need_mouse_correct = TRUE;
7387 #endif
7388 n = atol((char *)eap->arg);
7389 #ifdef FEAT_VERTSPLIT
7390 if (cmdmod.split & WSP_VERT)
7391 {
7392 if (*eap->arg == '-' || *eap->arg == '+')
7393 n += W_WIDTH(curwin);
7394 else if (n == 0 && eap->arg[0] == NUL) /* default is very wide */
7395 n = 9999;
7396 win_setwidth_win((int)n, wp);
7397 }
7398 else
7399 #endif
7400 {
7401 if (*eap->arg == '-' || *eap->arg == '+')
7402 n += curwin->w_height;
7403 else if (n == 0 && eap->arg[0] == NUL) /* default is very wide */
7404 n = 9999;
7405 win_setheight_win((int)n, wp);
7406 }
7407 }
7408 #endif
7409
7410 /*
7411 * ":find [+command] <file>" command.
7412 */
7413 static void
7414 ex_find(eap)
7415 exarg_T *eap;
7416 {
7417 #ifdef FEAT_SEARCHPATH
7418 char_u *fname;
7419 int count;
7420
7421 fname = find_file_in_path(eap->arg, (int)STRLEN(eap->arg), FNAME_MESS,
7422 TRUE, curbuf->b_ffname);
7423 if (eap->addr_count > 0)
7424 {
7425 /* Repeat finding the file "count" times. This matters when it
7426 * appears several times in the path. */
7427 count = eap->line2;
7428 while (fname != NULL && --count > 0)
7429 {
7430 vim_free(fname);
7431 fname = find_file_in_path(NULL, 0, FNAME_MESS,
7432 FALSE, curbuf->b_ffname);
7433 }
7434 }
7435
7436 if (fname != NULL)
7437 {
7438 eap->arg = fname;
7439 #endif
7440 do_exedit(eap, NULL);
7441 #ifdef FEAT_SEARCHPATH
7442 vim_free(fname);
7443 }
7444 #endif
7445 }
7446
7447 /*
7448 * ":open" simulation: for now just work like ":visual".
7449 */
7450 static void
7451 ex_open(eap)
7452 exarg_T *eap;
7453 {
7454 regmatch_T regmatch;
7455 char_u *p;
7456
7457 curwin->w_cursor.lnum = eap->line2;
7458 beginline(BL_SOL | BL_FIX);
7459 if (*eap->arg == '/')
7460 {
7461 /* ":open /pattern/": put cursor in column found with pattern */
7462 ++eap->arg;
7463 p = skip_regexp(eap->arg, '/', p_magic, NULL);
7464 *p = NUL;
7465 regmatch.regprog = vim_regcomp(eap->arg, p_magic ? RE_MAGIC : 0);
7466 if (regmatch.regprog != NULL)
7467 {
7468 regmatch.rm_ic = p_ic;
7469 p = ml_get_curline();
7470 if (vim_regexec(&regmatch, p, (colnr_T)0))
7471 curwin->w_cursor.col = (colnr_T)(regmatch.startp[0] - p);
7472 else
7473 EMSG(_(e_nomatch));
7474 vim_free(regmatch.regprog);
7475 }
7476 /* Move to the NUL, ignore any other arguments. */
7477 eap->arg += STRLEN(eap->arg);
7478 }
7479 check_cursor();
7480
7481 eap->cmdidx = CMD_visual;
7482 do_exedit(eap, NULL);
7483 }
7484
7485 /*
7486 * ":edit", ":badd", ":visual".
7487 */
7488 static void
7489 ex_edit(eap)
7490 exarg_T *eap;
7491 {
7492 do_exedit(eap, NULL);
7493 }
7494
7495 /*
7496 * ":edit <file>" command and alikes.
7497 */
7498 void
7499 do_exedit(eap, old_curwin)
7500 exarg_T *eap;
7501 win_T *old_curwin; /* curwin before doing a split or NULL */
7502 {
7503 int n;
7504 #ifdef FEAT_WINDOWS
7505 int need_hide;
7506 #endif
7507 int exmode_was = exmode_active;
7508
7509 /*
7510 * ":vi" command ends Ex mode.
7511 */
7512 if (exmode_active && (eap->cmdidx == CMD_visual
7513 || eap->cmdidx == CMD_view))
7514 {
7515 exmode_active = FALSE;
7516 if (*eap->arg == NUL)
7517 {
7518 /* Special case: ":global/pat/visual\NLvi-commands" */
7519 if (global_busy)
7520 {
7521 int rd = RedrawingDisabled;
7522 int nwr = no_wait_return;
7523 int ms = msg_scroll;
7524 #ifdef FEAT_GUI
7525 int he = hold_gui_events;
7526 #endif
7527
7528 if (eap->nextcmd != NULL)
7529 {
7530 stuffReadbuff(eap->nextcmd);
7531 eap->nextcmd = NULL;
7532 }
7533
7534 if (exmode_was != EXMODE_VIM)
7535 settmode(TMODE_RAW);
7536 RedrawingDisabled = 0;
7537 no_wait_return = 0;
7538 need_wait_return = FALSE;
7539 msg_scroll = 0;
7540 #ifdef FEAT_GUI
7541 hold_gui_events = 0;
7542 #endif
7543 must_redraw = CLEAR;
7544
7545 main_loop(FALSE, TRUE);
7546
7547 RedrawingDisabled = rd;
7548 no_wait_return = nwr;
7549 msg_scroll = ms;
7550 #ifdef FEAT_GUI
7551 hold_gui_events = he;
7552 #endif
7553 }
7554 return;
7555 }
7556 }
7557
7558 if ((eap->cmdidx == CMD_new
7559 || eap->cmdidx == CMD_tabnew
7560 || eap->cmdidx == CMD_tabedit
7561 #ifdef FEAT_VERTSPLIT
7562 || eap->cmdidx == CMD_vnew
7563 #endif
7564 ) && *eap->arg == NUL)
7565 {
7566 /* ":new" or ":tabnew" without argument: edit an new empty buffer */
7567 setpcmark();
7568 (void)do_ecmd(0, NULL, NULL, eap, ECMD_ONE,
7569 ECMD_HIDE + (eap->forceit ? ECMD_FORCEIT : 0),
7570 old_curwin == NULL ? curwin : NULL);
7571 }
7572 else if ((eap->cmdidx != CMD_split
7573 #ifdef FEAT_VERTSPLIT
7574 && eap->cmdidx != CMD_vsplit
7575 #endif
7576 )
7577 || *eap->arg != NUL
7578 #ifdef FEAT_BROWSE
7579 || cmdmod.browse
7580 #endif
7581 )
7582 {
7583 #ifdef FEAT_AUTOCMD
7584 /* Can't edit another file when "curbuf_lock" is set. Only ":edit"
7585 * can bring us here, others are stopped earlier. */
7586 if (*eap->arg != NUL && curbuf_locked())
7587 return;
7588 #endif
7589 n = readonlymode;
7590 if (eap->cmdidx == CMD_view || eap->cmdidx == CMD_sview)
7591 readonlymode = TRUE;
7592 else if (eap->cmdidx == CMD_enew)
7593 readonlymode = FALSE; /* 'readonly' doesn't make sense in an
7594 empty buffer */
7595 setpcmark();
7596 if (do_ecmd(0, (eap->cmdidx == CMD_enew ? NULL : eap->arg),
7597 NULL, eap,
7598 /* ":edit" goes to first line if Vi compatible */
7599 (*eap->arg == NUL && eap->do_ecmd_lnum == 0
7600 && vim_strchr(p_cpo, CPO_GOTO1) != NULL)
7601 ? ECMD_ONE : eap->do_ecmd_lnum,
7602 (P_HID(curbuf) ? ECMD_HIDE : 0)
7603 + (eap->forceit ? ECMD_FORCEIT : 0)
7604 #ifdef FEAT_LISTCMDS
7605 + (eap->cmdidx == CMD_badd ? ECMD_ADDBUF : 0 )
7606 #endif
7607 , old_curwin == NULL ? curwin : NULL) == FAIL)
7608 {
7609 /* Editing the file failed. If the window was split, close it. */
7610 #ifdef FEAT_WINDOWS
7611 if (old_curwin != NULL)
7612 {
7613 need_hide = (curbufIsChanged() && curbuf->b_nwindows <= 1);
7614 if (!need_hide || P_HID(curbuf))
7615 {
7616 # if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL)
7617 cleanup_T cs;
7618
7619 /* Reset the error/interrupt/exception state here so that
7620 * aborting() returns FALSE when closing a window. */
7621 enter_cleanup(&cs);
7622 # endif
7623 # ifdef FEAT_GUI
7624 need_mouse_correct = TRUE;
7625 # endif
7626 win_close(curwin, !need_hide && !P_HID(curbuf));
7627
7628 # if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL)
7629 /* Restore the error/interrupt/exception state if not
7630 * discarded by a new aborting error, interrupt, or
7631 * uncaught exception. */
7632 leave_cleanup(&cs);
7633 # endif
7634 }
7635 }
7636 #endif
7637 }
7638 else if (readonlymode && curbuf->b_nwindows == 1)
7639 {
7640 /* When editing an already visited buffer, 'readonly' won't be set
7641 * but the previous value is kept. With ":view" and ":sview" we
7642 * want the file to be readonly, except when another window is
7643 * editing the same buffer. */
7644 curbuf->b_p_ro = TRUE;
7645 }
7646 readonlymode = n;
7647 }
7648 else
7649 {
7650 if (eap->do_ecmd_cmd != NULL)
7651 do_cmdline_cmd(eap->do_ecmd_cmd);
7652 #ifdef FEAT_TITLE
7653 n = curwin->w_arg_idx_invalid;
7654 #endif
7655 check_arg_idx(curwin);
7656 #ifdef FEAT_TITLE
7657 if (n != curwin->w_arg_idx_invalid)
7658 maketitle();
7659 #endif
7660 }
7661
7662 #ifdef FEAT_WINDOWS
7663 /*
7664 * if ":split file" worked, set alternate file name in old window to new
7665 * file
7666 */
7667 if (old_curwin != NULL
7668 && *eap->arg != NUL
7669 && curwin != old_curwin
7670 && win_valid(old_curwin)
7671 && old_curwin->w_buffer != curbuf
7672 && !cmdmod.keepalt)
7673 old_curwin->w_alt_fnum = curbuf->b_fnum;
7674 #endif
7675
7676 ex_no_reprint = TRUE;
7677 }
7678
7679 #ifndef FEAT_GUI
7680 /*
7681 * ":gui" and ":gvim" when there is no GUI.
7682 */
7683 static void
7684 ex_nogui(eap)
7685 exarg_T *eap;
7686 {
7687 eap->errmsg = e_nogvim;
7688 }
7689 #endif
7690
7691 #if defined(FEAT_GUI_W32) && defined(FEAT_MENU) && defined(FEAT_TEAROFF)
7692 static void
7693 ex_tearoff(eap)
7694 exarg_T *eap;
7695 {
7696 gui_make_tearoff(eap->arg);
7697 }
7698 #endif
7699
7700 #if defined(FEAT_MENU) && (defined(FEAT_GUI_MSWIN) || defined(FEAT_GUI_GTK) \
7701 || defined(FEAT_GUI_MACVIM))
7702 static void
7703 ex_popup(eap)
7704 exarg_T *eap;
7705 {
7706 gui_make_popup(eap->arg, eap->forceit);
7707 }
7708 #endif
7709
7710 static void
7711 ex_swapname(eap)
7712 exarg_T *eap UNUSED;
7713 {
7714 if (curbuf->b_ml.ml_mfp == NULL || curbuf->b_ml.ml_mfp->mf_fname == NULL)
7715 MSG(_("No swap file"));
7716 else
7717 msg(curbuf->b_ml.ml_mfp->mf_fname);
7718 }
7719
7720 /*
7721 * ":syncbind" forces all 'scrollbind' windows to have the same relative
7722 * offset.
7723 * (1998-11-02 16:21:01 R. Edward Ralston <eralston@computer.org>)
7724 */
7725 static void
7726 ex_syncbind(eap)
7727 exarg_T *eap UNUSED;
7728 {
7729 #ifdef FEAT_SCROLLBIND
7730 win_T *wp;
7731 long topline;
7732 long y;
7733 linenr_T old_linenr = curwin->w_cursor.lnum;
7734
7735 setpcmark();
7736
7737 /*
7738 * determine max topline
7739 */
7740 if (curwin->w_p_scb)
7741 {
7742 topline = curwin->w_topline;
7743 for (wp = firstwin; wp; wp = wp->w_next)
7744 {
7745 if (wp->w_p_scb && wp->w_buffer)
7746 {
7747 y = wp->w_buffer->b_ml.ml_line_count - p_so;
7748 if (topline > y)
7749 topline = y;
7750 }
7751 }
7752 if (topline < 1)
7753 topline = 1;
7754 }
7755 else
7756 {
7757 topline = 1;
7758 }
7759
7760
7761 /*
7762 * set all scrollbind windows to the same topline
7763 */
7764 wp = curwin;
7765 for (curwin = firstwin; curwin; curwin = curwin->w_next)
7766 {
7767 if (curwin->w_p_scb)
7768 {
7769 y = topline - curwin->w_topline;
7770 if (y > 0)
7771 scrollup(y, TRUE);
7772 else
7773 scrolldown(-y, TRUE);
7774 curwin->w_scbind_pos = topline;
7775 redraw_later(VALID);
7776 cursor_correct();
7777 #ifdef FEAT_WINDOWS
7778 curwin->w_redr_status = TRUE;
7779 #endif
7780 }
7781 }
7782 curwin = wp;
7783 if (curwin->w_p_scb)
7784 {
7785 did_syncbind = TRUE;
7786 checkpcmark();
7787 if (old_linenr != curwin->w_cursor.lnum)
7788 {
7789 char_u ctrl_o[2];
7790
7791 ctrl_o[0] = Ctrl_O;
7792 ctrl_o[1] = 0;
7793 ins_typebuf(ctrl_o, REMAP_NONE, 0, TRUE, FALSE);
7794 }
7795 }
7796 #endif
7797 }
7798
7799
7800 static void
7801 ex_read(eap)
7802 exarg_T *eap;
7803 {
7804 int i;
7805 int empty = (curbuf->b_ml.ml_flags & ML_EMPTY);
7806 linenr_T lnum;
7807
7808 if (eap->usefilter) /* :r!cmd */
7809 do_bang(1, eap, FALSE, FALSE, TRUE);
7810 else
7811 {
7812 if (u_save(eap->line2, (linenr_T)(eap->line2 + 1)) == FAIL)
7813 return;
7814
7815 #ifdef FEAT_BROWSE
7816 if (cmdmod.browse)
7817 {
7818 char_u *browseFile;
7819
7820 browseFile = do_browse(0, (char_u *)_("Append File"), eap->arg,
7821 NULL, NULL, NULL, curbuf);
7822 if (browseFile != NULL)
7823 {
7824 i = readfile(browseFile, NULL,
7825 eap->line2, (linenr_T)0, (linenr_T)MAXLNUM, eap, 0);
7826 vim_free(browseFile);
7827 }
7828 else
7829 i = OK;
7830 }
7831 else
7832 #endif
7833 if (*eap->arg == NUL)
7834 {
7835 if (check_fname() == FAIL) /* check for no file name */
7836 return;
7837 i = readfile(curbuf->b_ffname, curbuf->b_fname,
7838 eap->line2, (linenr_T)0, (linenr_T)MAXLNUM, eap, 0);
7839 }
7840 else
7841 {
7842 if (vim_strchr(p_cpo, CPO_ALTREAD) != NULL)
7843 (void)setaltfname(eap->arg, eap->arg, (linenr_T)1);
7844 i = readfile(eap->arg, NULL,
7845 eap->line2, (linenr_T)0, (linenr_T)MAXLNUM, eap, 0);
7846
7847 }
7848 if (i == FAIL)
7849 {
7850 #if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL)
7851 if (!aborting())
7852 #endif
7853 EMSG2(_(e_notopen), eap->arg);
7854 }
7855 else
7856 {
7857 if (empty && exmode_active)
7858 {
7859 /* Delete the empty line that remains. Historically ex does
7860 * this but vi doesn't. */
7861 if (eap->line2 == 0)
7862 lnum = curbuf->b_ml.ml_line_count;
7863 else
7864 lnum = 1;
7865 if (*ml_get(lnum) == NUL && u_savedel(lnum, 1L) == OK)
7866 {
7867 ml_delete(lnum, FALSE);
7868 if (curwin->w_cursor.lnum > 1
7869 && curwin->w_cursor.lnum >= lnum)
7870 --curwin->w_cursor.lnum;
7871 deleted_lines_mark(lnum, 1L);
7872 }
7873 }
7874 redraw_curbuf_later(VALID);
7875 }
7876 }
7877 }
7878
7879 static char_u *prev_dir = NULL;
7880
7881 #if defined(EXITFREE) || defined(PROTO)
7882 void
7883 free_cd_dir()
7884 {
7885 vim_free(prev_dir);
7886 prev_dir = NULL;
7887
7888 vim_free(globaldir);
7889 globaldir = NULL;
7890 }
7891 #endif
7892
7893
7894 /*
7895 * ":cd", ":lcd", ":chdir" and ":lchdir".
7896 */
7897 void
7898 ex_cd(eap)
7899 exarg_T *eap;
7900 {
7901 char_u *new_dir;
7902 char_u *tofree;
7903
7904 new_dir = eap->arg;
7905 #if !defined(UNIX) && !defined(VMS)
7906 /* for non-UNIX ":cd" means: print current directory */
7907 if (*new_dir == NUL)
7908 ex_pwd(NULL);
7909 else
7910 #endif
7911 {
7912 #ifdef FEAT_AUTOCMD
7913 if (allbuf_locked())
7914 return;
7915 #endif
7916 if (vim_strchr(p_cpo, CPO_CHDIR) != NULL && curbufIsChanged()
7917 && !eap->forceit)
7918 {
7919 EMSG(_("E747: Cannot change directory, buffer is modified (add ! to override)"));
7920 return;
7921 }
7922
7923 /* ":cd -": Change to previous directory */
7924 if (STRCMP(new_dir, "-") == 0)
7925 {
7926 if (prev_dir == NULL)
7927 {
7928 EMSG(_("E186: No previous directory"));
7929 return;
7930 }
7931 new_dir = prev_dir;
7932 }
7933
7934 /* Save current directory for next ":cd -" */
7935 tofree = prev_dir;
7936 if (mch_dirname(NameBuff, MAXPATHL) == OK)
7937 prev_dir = vim_strsave(NameBuff);
7938 else
7939 prev_dir = NULL;
7940
7941 #if defined(UNIX) || defined(VMS)
7942 /* for UNIX ":cd" means: go to home directory */
7943 if (*new_dir == NUL)
7944 {
7945 /* use NameBuff for home directory name */
7946 # ifdef VMS
7947 char_u *p;
7948
7949 p = mch_getenv((char_u *)"SYS$LOGIN");
7950 if (p == NULL || *p == NUL) /* empty is the same as not set */
7951 NameBuff[0] = NUL;
7952 else
7953 vim_strncpy(NameBuff, p, MAXPATHL - 1);
7954 # else
7955 expand_env((char_u *)"$HOME", NameBuff, MAXPATHL);
7956 # endif
7957 new_dir = NameBuff;
7958 }
7959 #endif
7960 if (new_dir == NULL || vim_chdir(new_dir))
7961 EMSG(_(e_failed));
7962 else
7963 {
7964 vim_free(curwin->w_localdir);
7965 if (eap->cmdidx == CMD_lcd || eap->cmdidx == CMD_lchdir)
7966 {
7967 /* If still in global directory, need to remember current
7968 * directory as global directory. */
7969 if (globaldir == NULL && prev_dir != NULL)
7970 globaldir = vim_strsave(prev_dir);
7971 /* Remember this local directory for the window. */
7972 if (mch_dirname(NameBuff, MAXPATHL) == OK)
7973 curwin->w_localdir = vim_strsave(NameBuff);
7974 }
7975 else
7976 {
7977 /* We are now in the global directory, no need to remember its
7978 * name. */
7979 vim_free(globaldir);
7980 globaldir = NULL;
7981 curwin->w_localdir = NULL;
7982 }
7983
7984 shorten_fnames(TRUE);
7985
7986 /* Echo the new current directory if the command was typed. */
7987 if (KeyTyped || p_verbose >= 5)
7988 ex_pwd(eap);
7989 }
7990 vim_free(tofree);
7991 }
7992 }
7993
7994 /*
7995 * ":pwd".
7996 */
7997 static void
7998 ex_pwd(eap)
7999 exarg_T *eap UNUSED;
8000 {
8001 if (mch_dirname(NameBuff, MAXPATHL) == OK)
8002 {
8003 #ifdef BACKSLASH_IN_FILENAME
8004 slash_adjust(NameBuff);
8005 #endif
8006 msg(NameBuff);
8007 }
8008 else
8009 EMSG(_("E187: Unknown"));
8010 }
8011
8012 /*
8013 * ":=".
8014 */
8015 static void
8016 ex_equal(eap)
8017 exarg_T *eap;
8018 {
8019 smsg((char_u *)"%ld", (long)eap->line2);
8020 ex_may_print(eap);
8021 }
8022
8023 static void
8024 ex_sleep(eap)
8025 exarg_T *eap;
8026 {
8027 int n;
8028 long len;
8029
8030 if (cursor_valid())
8031 {
8032 n = W_WINROW(curwin) + curwin->w_wrow - msg_scrolled;
8033 if (n >= 0)
8034 windgoto((int)n, curwin->w_wcol);
8035 }
8036
8037 len = eap->line2;
8038 switch (*eap->arg)
8039 {
8040 case 'm': break;
8041 case NUL: len *= 1000L; break;
8042 default: EMSG2(_(e_invarg2), eap->arg); return;
8043 }
8044 do_sleep(len);
8045 }
8046
8047 /*
8048 * Sleep for "msec" milliseconds, but keep checking for a CTRL-C every second.
8049 */
8050 void
8051 do_sleep(msec)
8052 long msec;
8053 {
8054 long done;
8055
8056 cursor_on();
8057 out_flush();
8058 for (done = 0; !got_int && done < msec; done += 1000L)
8059 {
8060 ui_delay(msec - done > 1000L ? 1000L : msec - done, TRUE);
8061 ui_breakcheck();
8062 }
8063 }
8064
8065 static void
8066 do_exmap(eap, isabbrev)
8067 exarg_T *eap;
8068 int isabbrev;
8069 {
8070 int mode;
8071 char_u *cmdp;
8072
8073 cmdp = eap->cmd;
8074 mode = get_map_mode(&cmdp, eap->forceit || isabbrev);
8075
8076 switch (do_map((*cmdp == 'n') ? 2 : (*cmdp == 'u'),
8077 eap->arg, mode, isabbrev))
8078 {
8079 case 1: EMSG(_(e_invarg));
8080 break;
8081 case 2: EMSG(isabbrev ? _(e_noabbr) : _(e_nomap));
8082 break;
8083 }
8084 }
8085
8086 /*
8087 * ":winsize" command (obsolete).
8088 */
8089 static void
8090 ex_winsize(eap)
8091 exarg_T *eap;
8092 {
8093 int w, h;
8094 char_u *arg = eap->arg;
8095 char_u *p;
8096
8097 w = getdigits(&arg);
8098 arg = skipwhite(arg);
8099 p = arg;
8100 h = getdigits(&arg);
8101 if (*p != NUL && *arg == NUL)
8102 set_shellsize(w, h, TRUE);
8103 else
8104 EMSG(_("E465: :winsize requires two number arguments"));
8105 }
8106
8107 #ifdef FEAT_WINDOWS
8108 static void
8109 ex_wincmd(eap)
8110 exarg_T *eap;
8111 {
8112 int xchar = NUL;
8113 char_u *p;
8114
8115 if (*eap->arg == 'g' || *eap->arg == Ctrl_G)
8116 {
8117 /* CTRL-W g and CTRL-W CTRL-G have an extra command character */
8118 if (eap->arg[1] == NUL)
8119 {
8120 EMSG(_(e_invarg));
8121 return;
8122 }
8123 xchar = eap->arg[1];
8124 p = eap->arg + 2;
8125 }
8126 else
8127 p = eap->arg + 1;
8128
8129 eap->nextcmd = check_nextcmd(p);
8130 p = skipwhite(p);
8131 if (*p != NUL && *p != '"' && eap->nextcmd == NULL)
8132 EMSG(_(e_invarg));
8133 else
8134 {
8135 /* Pass flags on for ":vertical wincmd ]". */
8136 postponed_split_flags = cmdmod.split;
8137 postponed_split_tab = cmdmod.tab;
8138 do_window(*eap->arg, eap->addr_count > 0 ? eap->line2 : 0L, xchar);
8139 postponed_split_flags = 0;
8140 postponed_split_tab = 0;
8141 }
8142 }
8143 #endif
8144
8145 #if defined(FEAT_GUI) || defined(UNIX) || defined(VMS) || defined(MSWIN)
8146 /*
8147 * ":winpos".
8148 */
8149 static void
8150 ex_winpos(eap)
8151 exarg_T *eap;
8152 {
8153 int x, y;
8154 char_u *arg = eap->arg;
8155 char_u *p;
8156
8157 if (*arg == NUL)
8158 {
8159 # if defined(FEAT_GUI) || defined(MSWIN)
8160 # ifdef FEAT_GUI
8161 if (gui.in_use && gui_mch_get_winpos(&x, &y) != FAIL)
8162 # else
8163 if (mch_get_winpos(&x, &y) != FAIL)
8164 # endif
8165 {
8166 sprintf((char *)IObuff, _("Window position: X %d, Y %d"), x, y);
8167 msg(IObuff);
8168 }
8169 else
8170 # endif
8171 EMSG(_("E188: Obtaining window position not implemented for this platform"));
8172 }
8173 else
8174 {
8175 x = getdigits(&arg);
8176 arg = skipwhite(arg);
8177 p = arg;
8178 y = getdigits(&arg);
8179 if (*p == NUL || *arg != NUL)
8180 {
8181 EMSG(_("E466: :winpos requires two number arguments"));
8182 return;
8183 }
8184 # ifdef FEAT_GUI
8185 if (gui.in_use)
8186 gui_mch_set_winpos(x, y);
8187 else if (gui.starting)
8188 {
8189 /* Remember the coordinates for when the window is opened. */
8190 gui_win_x = x;
8191 gui_win_y = y;
8192 }
8193 # ifdef HAVE_TGETENT
8194 else
8195 # endif
8196 # else
8197 # ifdef MSWIN
8198 mch_set_winpos(x, y);
8199 # endif
8200 # endif
8201 # ifdef HAVE_TGETENT
8202 if (*T_CWP)
8203 term_set_winpos(x, y);
8204 # endif
8205 }
8206 }
8207 #endif
8208
8209 /*
8210 * Handle command that work like operators: ":delete", ":yank", ":>" and ":<".
8211 */
8212 static void
8213 ex_operators(eap)
8214 exarg_T *eap;
8215 {
8216 oparg_T oa;
8217
8218 clear_oparg(&oa);
8219 oa.regname = eap->regname;
8220 oa.start.lnum = eap->line1;
8221 oa.end.lnum = eap->line2;
8222 oa.line_count = eap->line2 - eap->line1 + 1;
8223 oa.motion_type = MLINE;
8224 #ifdef FEAT_VIRTUALEDIT
8225 virtual_op = FALSE;
8226 #endif
8227 if (eap->cmdidx != CMD_yank) /* position cursor for undo */
8228 {
8229 setpcmark();
8230 curwin->w_cursor.lnum = eap->line1;
8231 beginline(BL_SOL | BL_FIX);
8232 }
8233
8234 switch (eap->cmdidx)
8235 {
8236 case CMD_delete:
8237 oa.op_type = OP_DELETE;
8238 op_delete(&oa);
8239 break;
8240
8241 case CMD_yank:
8242 oa.op_type = OP_YANK;
8243 (void)op_yank(&oa, FALSE, TRUE);
8244 break;
8245
8246 default: /* CMD_rshift or CMD_lshift */
8247 if ((eap->cmdidx == CMD_rshift)
8248 #ifdef FEAT_RIGHTLEFT
8249 ^ curwin->w_p_rl
8250 #endif
8251 )
8252 oa.op_type = OP_RSHIFT;
8253 else
8254 oa.op_type = OP_LSHIFT;
8255 op_shift(&oa, FALSE, eap->amount);
8256 break;
8257 }
8258 #ifdef FEAT_VIRTUALEDIT
8259 virtual_op = MAYBE;
8260 #endif
8261 ex_may_print(eap);
8262 }
8263
8264 /*
8265 * ":put".
8266 */
8267 static void
8268 ex_put(eap)
8269 exarg_T *eap;
8270 {
8271 /* ":0put" works like ":1put!". */
8272 if (eap->line2 == 0)
8273 {
8274 eap->line2 = 1;
8275 eap->forceit = TRUE;
8276 }
8277 curwin->w_cursor.lnum = eap->line2;
8278 do_put(eap->regname, eap->forceit ? BACKWARD : FORWARD, 1L,
8279 PUT_LINE|PUT_CURSLINE);
8280 }
8281
8282 /*
8283 * Handle ":copy" and ":move".
8284 */
8285 static void
8286 ex_copymove(eap)
8287 exarg_T *eap;
8288 {
8289 long n;
8290
8291 n = get_address(&eap->arg, FALSE, FALSE);
8292 if (eap->arg == NULL) /* error detected */
8293 {
8294 eap->nextcmd = NULL;
8295 return;
8296 }
8297 get_flags(eap);
8298
8299 /*
8300 * move or copy lines from 'eap->line1'-'eap->line2' to below line 'n'
8301 */
8302 if (n == MAXLNUM || n < 0 || n > curbuf->b_ml.ml_line_count)
8303 {
8304 EMSG(_(e_invaddr));
8305 return;
8306 }
8307
8308 if (eap->cmdidx == CMD_move)
8309 {
8310 if (do_move(eap->line1, eap->line2, n) == FAIL)
8311 return;
8312 }
8313 else
8314 ex_copy(eap->line1, eap->line2, n);
8315 u_clearline();
8316 beginline(BL_SOL | BL_FIX);
8317 ex_may_print(eap);
8318 }
8319
8320 /*
8321 * Print the current line if flags were given to the Ex command.
8322 */
8323 static void
8324 ex_may_print(eap)
8325 exarg_T *eap;
8326 {
8327 if (eap->flags != 0)
8328 {
8329 print_line(curwin->w_cursor.lnum, (eap->flags & EXFLAG_NR),
8330 (eap->flags & EXFLAG_LIST));
8331 ex_no_reprint = TRUE;
8332 }
8333 }
8334
8335 /*
8336 * ":smagic" and ":snomagic".
8337 */
8338 static void
8339 ex_submagic(eap)
8340 exarg_T *eap;
8341 {
8342 int magic_save = p_magic;
8343
8344 p_magic = (eap->cmdidx == CMD_smagic);
8345 do_sub(eap);
8346 p_magic = magic_save;
8347 }
8348
8349 /*
8350 * ":join".
8351 */
8352 static void
8353 ex_join(eap)
8354 exarg_T *eap;
8355 {
8356 curwin->w_cursor.lnum = eap->line1;
8357 if (eap->line1 == eap->line2)
8358 {
8359 if (eap->addr_count >= 2) /* :2,2join does nothing */
8360 return;
8361 if (eap->line2 == curbuf->b_ml.ml_line_count)
8362 {
8363 beep_flush();
8364 return;
8365 }
8366 ++eap->line2;
8367 }
8368 do_do_join(eap->line2 - eap->line1 + 1, !eap->forceit);
8369 beginline(BL_WHITE | BL_FIX);
8370 ex_may_print(eap);
8371 }
8372
8373 /*
8374 * ":[addr]@r" or ":[addr]*r": execute register
8375 */
8376 static void
8377 ex_at(eap)
8378 exarg_T *eap;
8379 {
8380 int c;
8381
8382 curwin->w_cursor.lnum = eap->line2;
8383
8384 #ifdef USE_ON_FLY_SCROLL
8385 dont_scroll = TRUE; /* disallow scrolling here */
8386 #endif
8387
8388 /* get the register name. No name means to use the previous one */
8389 c = *eap->arg;
8390 if (c == NUL || (c == '*' && *eap->cmd == '*'))
8391 c = '@';
8392 /* Put the register in the typeahead buffer with the "silent" flag. */
8393 if (do_execreg(c, TRUE, vim_strchr(p_cpo, CPO_EXECBUF) != NULL, TRUE)
8394 == FAIL)
8395 {
8396 beep_flush();
8397 }
8398 else
8399 {
8400 int save_efr = exec_from_reg;
8401
8402 exec_from_reg = TRUE;
8403
8404 /*
8405 * Execute from the typeahead buffer.
8406 * Originally this didn't check for the typeahead buffer to be empty,
8407 * thus could read more Ex commands from stdin. It's not clear why,
8408 * it is certainly unexpected.
8409 */
8410 while ((!stuff_empty() || typebuf.tb_len > 0) && vpeekc() == ':')
8411 (void)do_cmdline(NULL, getexline, NULL, DOCMD_NOWAIT|DOCMD_VERBOSE);
8412
8413 exec_from_reg = save_efr;
8414 }
8415 }
8416
8417 /*
8418 * ":!".
8419 */
8420 static void
8421 ex_bang(eap)
8422 exarg_T *eap;
8423 {
8424 do_bang(eap->addr_count, eap, eap->forceit, TRUE, TRUE);
8425 }
8426
8427 /*
8428 * ":undo".
8429 */
8430 static void
8431 ex_undo(eap)
8432 exarg_T *eap UNUSED;
8433 {
8434 if (eap->addr_count == 1) /* :undo 123 */
8435 undo_time(eap->line2, FALSE, TRUE);
8436 else
8437 u_undo(1);
8438 }
8439
8440 /*
8441 * ":redo".
8442 */
8443 static void
8444 ex_redo(eap)
8445 exarg_T *eap UNUSED;
8446 {
8447 u_redo(1);
8448 }
8449
8450 /*
8451 * ":earlier" and ":later".
8452 */
8453 static void
8454 ex_later(eap)
8455 exarg_T *eap;
8456 {
8457 long count = 0;
8458 int sec = FALSE;
8459 char_u *p = eap->arg;
8460
8461 if (*p == NUL)
8462 count = 1;
8463 else if (isdigit(*p))
8464 {
8465 count = getdigits(&p);
8466 switch (*p)
8467 {
8468 case 's': ++p; sec = TRUE; break;
8469 case 'm': ++p; sec = TRUE; count *= 60; break;
8470 case 'h': ++p; sec = TRUE; count *= 60 * 60; break;
8471 }
8472 }
8473
8474 if (*p != NUL)
8475 EMSG2(_(e_invarg2), eap->arg);
8476 else
8477 undo_time(eap->cmdidx == CMD_earlier ? -count : count, sec, FALSE);
8478 }
8479
8480 /*
8481 * ":redir": start/stop redirection.
8482 */
8483 static void
8484 ex_redir(eap)
8485 exarg_T *eap;
8486 {
8487 char *mode;
8488 char_u *fname;
8489 char_u *arg = eap->arg;
8490
8491 if (STRICMP(eap->arg, "END") == 0)
8492 close_redir();
8493 else
8494 {
8495 if (*arg == '>')
8496 {
8497 ++arg;
8498 if (*arg == '>')
8499 {
8500 ++arg;
8501 mode = "a";
8502 }
8503 else
8504 mode = "w";
8505 arg = skipwhite(arg);
8506
8507 close_redir();
8508
8509 /* Expand environment variables and "~/". */
8510 fname = expand_env_save(arg);
8511 if (fname == NULL)
8512 return;
8513 #ifdef FEAT_BROWSE
8514 if (cmdmod.browse)
8515 {
8516 char_u *browseFile;
8517
8518 browseFile = do_browse(BROWSE_SAVE,
8519 (char_u *)_("Save Redirection"),
8520 fname, NULL, NULL, BROWSE_FILTER_ALL_FILES, curbuf);
8521 if (browseFile == NULL)
8522 return; /* operation cancelled */
8523 vim_free(fname);
8524 fname = browseFile;
8525 eap->forceit = TRUE; /* since dialog already asked */
8526 }
8527 #endif
8528
8529 redir_fd = open_exfile(fname, eap->forceit, mode);
8530 vim_free(fname);
8531 }
8532 #ifdef FEAT_EVAL
8533 else if (*arg == '@')
8534 {
8535 /* redirect to a register a-z (resp. A-Z for appending) */
8536 close_redir();
8537 ++arg;
8538 if (ASCII_ISALPHA(*arg)
8539 # ifdef FEAT_CLIPBOARD
8540 || *arg == '*'
8541 || *arg == '+'
8542 # endif
8543 || *arg == '"')
8544 {
8545 redir_reg = *arg++;
8546 if (*arg == '>' && arg[1] == '>') /* append */
8547 arg += 2;
8548 else
8549 {
8550 /* Can use both "@a" and "@a>". */
8551 if (*arg == '>')
8552 arg++;
8553 /* Make register empty when not using @A-@Z and the
8554 * command is valid. */
8555 if (*arg == NUL && !isupper(redir_reg))
8556 write_reg_contents(redir_reg, (char_u *)"", -1, FALSE);
8557 }
8558 }
8559 if (*arg != NUL)
8560 {
8561 redir_reg = 0;
8562 EMSG2(_(e_invarg2), eap->arg);
8563 }
8564 }
8565 else if (*arg == '=' && arg[1] == '>')
8566 {
8567 int append;
8568
8569 /* redirect to a variable */
8570 close_redir();
8571 arg += 2;
8572
8573 if (*arg == '>')
8574 {
8575 ++arg;
8576 append = TRUE;
8577 }
8578 else
8579 append = FALSE;
8580
8581 if (var_redir_start(skipwhite(arg), append) == OK)
8582 redir_vname = 1;
8583 }
8584 #endif
8585
8586 /* TODO: redirect to a buffer */
8587
8588 else
8589 EMSG2(_(e_invarg2), eap->arg);
8590 }
8591
8592 /* Make sure redirection is not off. Can happen for cmdline completion
8593 * that indirectly invokes a command to catch its output. */
8594 if (redir_fd != NULL
8595 #ifdef FEAT_EVAL
8596 || redir_reg || redir_vname
8597 #endif
8598 )
8599 redir_off = FALSE;
8600 }
8601
8602 /*
8603 * ":redraw": force redraw
8604 */
8605 static void
8606 ex_redraw(eap)
8607 exarg_T *eap;
8608 {
8609 int r = RedrawingDisabled;
8610 int p = p_lz;
8611
8612 RedrawingDisabled = 0;
8613 p_lz = FALSE;
8614 update_topline();
8615 update_screen(eap->forceit ? CLEAR :
8616 #ifdef FEAT_VISUAL
8617 VIsual_active ? INVERTED :
8618 #endif
8619 0);
8620 #ifdef FEAT_TITLE
8621 if (need_maketitle)
8622 maketitle();
8623 #endif
8624 RedrawingDisabled = r;
8625 p_lz = p;
8626
8627 /* Reset msg_didout, so that a message that's there is overwritten. */
8628 msg_didout = FALSE;
8629 msg_col = 0;
8630
8631 out_flush();
8632 }
8633
8634 /*
8635 * ":redrawstatus": force redraw of status line(s)
8636 */
8637 static void
8638 ex_redrawstatus(eap)
8639 exarg_T *eap UNUSED;
8640 {
8641 #if defined(FEAT_WINDOWS)
8642 int r = RedrawingDisabled;
8643 int p = p_lz;
8644
8645 RedrawingDisabled = 0;
8646 p_lz = FALSE;
8647 if (eap->forceit)
8648 status_redraw_all();
8649 else
8650 status_redraw_curbuf();
8651 update_screen(
8652 # ifdef FEAT_VISUAL
8653 VIsual_active ? INVERTED :
8654 # endif
8655 0);
8656 RedrawingDisabled = r;
8657 p_lz = p;
8658 out_flush();
8659 #endif
8660 }
8661
8662 static void
8663 close_redir()
8664 {
8665 if (redir_fd != NULL)
8666 {
8667 fclose(redir_fd);
8668 redir_fd = NULL;
8669 }
8670 #ifdef FEAT_EVAL
8671 redir_reg = 0;
8672 if (redir_vname)
8673 {
8674 var_redir_stop();
8675 redir_vname = 0;
8676 }
8677 #endif
8678 }
8679
8680 #if defined(FEAT_SESSION) && defined(USE_CRNL)
8681 # define MKSESSION_NL
8682 static int mksession_nl = FALSE; /* use NL only in put_eol() */
8683 #endif
8684
8685 /*
8686 * ":mkexrc", ":mkvimrc", ":mkview" and ":mksession".
8687 */
8688 static void
8689 ex_mkrc(eap)
8690 exarg_T *eap;
8691 {
8692 FILE *fd;
8693 int failed = FALSE;
8694 char_u *fname;
8695 #ifdef FEAT_BROWSE
8696 char_u *browseFile = NULL;
8697 #endif
8698 #ifdef FEAT_SESSION
8699 int view_session = FALSE;
8700 int using_vdir = FALSE; /* using 'viewdir'? */
8701 char_u *viewFile = NULL;
8702 unsigned *flagp;
8703 #endif
8704
8705 if (eap->cmdidx == CMD_mksession || eap->cmdidx == CMD_mkview)
8706 {
8707 #ifdef FEAT_SESSION
8708 view_session = TRUE;
8709 #else
8710 ex_ni(eap);
8711 return;
8712 #endif
8713 }
8714
8715 #ifdef FEAT_SESSION
8716 /* Use the short file name until ":lcd" is used. We also don't use the
8717 * short file name when 'acd' is set, that is checked later. */
8718 did_lcd = FALSE;
8719
8720 /* ":mkview" or ":mkview 9": generate file name with 'viewdir' */
8721 if (eap->cmdidx == CMD_mkview
8722 && (*eap->arg == NUL
8723 || (vim_isdigit(*eap->arg) && eap->arg[1] == NUL)))
8724 {
8725 eap->forceit = TRUE;
8726 fname = get_view_file(*eap->arg);
8727 if (fname == NULL)
8728 return;
8729 viewFile = fname;
8730 using_vdir = TRUE;
8731 }
8732 else
8733 #endif
8734 if (*eap->arg != NUL)
8735 fname = eap->arg;
8736 else if (eap->cmdidx == CMD_mkvimrc)
8737 fname = (char_u *)VIMRC_FILE;
8738 #ifdef FEAT_SESSION
8739 else if (eap->cmdidx == CMD_mksession)
8740 fname = (char_u *)SESSION_FILE;
8741 #endif
8742 else
8743 fname = (char_u *)EXRC_FILE;
8744
8745 #ifdef FEAT_BROWSE
8746 if (cmdmod.browse)
8747 {
8748 browseFile = do_browse(BROWSE_SAVE,
8749 # ifdef FEAT_SESSION
8750 eap->cmdidx == CMD_mkview ? (char_u *)_("Save View") :
8751 eap->cmdidx == CMD_mksession ? (char_u *)_("Save Session") :
8752 # endif
8753 (char_u *)_("Save Setup"),
8754 fname, (char_u *)"vim", NULL, BROWSE_FILTER_MACROS, NULL);
8755 if (browseFile == NULL)
8756 goto theend;
8757 fname = browseFile;
8758 eap->forceit = TRUE; /* since dialog already asked */
8759 }
8760 #endif
8761
8762 #if defined(FEAT_SESSION) && defined(vim_mkdir)
8763 /* When using 'viewdir' may have to create the directory. */
8764 if (using_vdir && !mch_isdir(p_vdir))
8765 vim_mkdir_emsg(p_vdir, 0755);
8766 #endif
8767
8768 fd = open_exfile(fname, eap->forceit, WRITEBIN);
8769 if (fd != NULL)
8770 {
8771 #ifdef FEAT_SESSION
8772 if (eap->cmdidx == CMD_mkview)
8773 flagp = &vop_flags;
8774 else
8775 flagp = &ssop_flags;
8776 #endif
8777
8778 #ifdef MKSESSION_NL
8779 /* "unix" in 'sessionoptions': use NL line separator */
8780 if (view_session && (*flagp & SSOP_UNIX))
8781 mksession_nl = TRUE;
8782 #endif
8783
8784 /* Write the version command for :mkvimrc */
8785 if (eap->cmdidx == CMD_mkvimrc)
8786 (void)put_line(fd, "version 6.0");
8787
8788 #ifdef FEAT_SESSION
8789 if (eap->cmdidx == CMD_mksession)
8790 {
8791 if (put_line(fd, "let SessionLoad = 1") == FAIL)
8792 failed = TRUE;
8793 }
8794
8795 if (eap->cmdidx != CMD_mkview)
8796 #endif
8797 {
8798 /* Write setting 'compatible' first, because it has side effects.
8799 * For that same reason only do it when needed. */
8800 if (p_cp)
8801 (void)put_line(fd, "if !&cp | set cp | endif");
8802 else
8803 (void)put_line(fd, "if &cp | set nocp | endif");
8804 }
8805
8806 #ifdef FEAT_SESSION
8807 if (!view_session
8808 || (eap->cmdidx == CMD_mksession
8809 && (*flagp & SSOP_OPTIONS)))
8810 #endif
8811 failed |= (makemap(fd, NULL) == FAIL
8812 || makeset(fd, OPT_GLOBAL, FALSE) == FAIL);
8813
8814 #ifdef FEAT_SESSION
8815 if (!failed && view_session)
8816 {
8817 if (put_line(fd, "let s:so_save = &so | let s:siso_save = &siso | set so=0 siso=0") == FAIL)
8818 failed = TRUE;
8819 if (eap->cmdidx == CMD_mksession)
8820 {
8821 char_u dirnow[MAXPATHL]; /* current directory */
8822
8823 /*
8824 * Change to session file's dir.
8825 */
8826 if (mch_dirname(dirnow, MAXPATHL) == FAIL
8827 || mch_chdir((char *)dirnow) != 0)
8828 *dirnow = NUL;
8829 if (*dirnow != NUL && (ssop_flags & SSOP_SESDIR))
8830 {
8831 if (vim_chdirfile(fname) == OK)
8832 shorten_fnames(TRUE);
8833 }
8834 else if (*dirnow != NUL
8835 && (ssop_flags & SSOP_CURDIR) && globaldir != NULL)
8836 {
8837 if (mch_chdir((char *)globaldir) == 0)
8838 shorten_fnames(TRUE);
8839 }
8840
8841 failed |= (makeopens(fd, dirnow) == FAIL);
8842
8843 /* restore original dir */
8844 if (*dirnow != NUL && ((ssop_flags & SSOP_SESDIR)
8845 || ((ssop_flags & SSOP_CURDIR) && globaldir != NULL)))
8846 {
8847 if (mch_chdir((char *)dirnow) != 0)
8848 EMSG(_(e_prev_dir));
8849 shorten_fnames(TRUE);
8850 }
8851 }
8852 else
8853 {
8854 failed |= (put_view(fd, curwin, !using_vdir, flagp,
8855 -1) == FAIL);
8856 }
8857 if (put_line(fd, "let &so = s:so_save | let &siso = s:siso_save")
8858 == FAIL)
8859 failed = TRUE;
8860 if (put_line(fd, "doautoall SessionLoadPost") == FAIL)
8861 failed = TRUE;
8862 if (eap->cmdidx == CMD_mksession)
8863 {
8864 if (put_line(fd, "unlet SessionLoad") == FAIL)
8865 failed = TRUE;
8866 }
8867 }
8868 #endif
8869 if (put_line(fd, "\" vim: set ft=vim :") == FAIL)
8870 failed = TRUE;
8871
8872 failed |= fclose(fd);
8873
8874 if (failed)
8875 EMSG(_(e_write));
8876 #if defined(FEAT_EVAL) && defined(FEAT_SESSION)
8877 else if (eap->cmdidx == CMD_mksession)
8878 {
8879 /* successful session write - set this_session var */
8880 char_u tbuf[MAXPATHL];
8881
8882 if (vim_FullName(fname, tbuf, MAXPATHL, FALSE) == OK)
8883 set_vim_var_string(VV_THIS_SESSION, tbuf, -1);
8884 }
8885 #endif
8886 #ifdef MKSESSION_NL
8887 mksession_nl = FALSE;
8888 #endif
8889 }
8890
8891 #ifdef FEAT_BROWSE
8892 theend:
8893 vim_free(browseFile);
8894 #endif
8895 #ifdef FEAT_SESSION
8896 vim_free(viewFile);
8897 #endif
8898 }
8899
8900 #if ((defined(FEAT_SESSION) || defined(FEAT_EVAL)) && defined(vim_mkdir)) \
8901 || defined(PROTO)
8902 int
8903 vim_mkdir_emsg(name, prot)
8904 char_u *name;
8905 int prot UNUSED;
8906 {
8907 if (vim_mkdir(name, prot) != 0)
8908 {
8909 EMSG2(_("E739: Cannot create directory: %s"), name);
8910 return FAIL;
8911 }
8912 return OK;
8913 }
8914 #endif
8915
8916 /*
8917 * Open a file for writing for an Ex command, with some checks.
8918 * Return file descriptor, or NULL on failure.
8919 */
8920 FILE *
8921 open_exfile(fname, forceit, mode)
8922 char_u *fname;
8923 int forceit;
8924 char *mode; /* "w" for create new file or "a" for append */
8925 {
8926 FILE *fd;
8927
8928 #ifdef UNIX
8929 /* with Unix it is possible to open a directory */
8930 if (mch_isdir(fname))
8931 {
8932 EMSG2(_(e_isadir2), fname);
8933 return NULL;
8934 }
8935 #endif
8936 if (!forceit && *mode != 'a' && vim_fexists(fname))
8937 {
8938 EMSG2(_("E189: \"%s\" exists (add ! to override)"), fname);
8939 return NULL;
8940 }
8941
8942 if ((fd = mch_fopen((char *)fname, mode)) == NULL)
8943 EMSG2(_("E190: Cannot open \"%s\" for writing"), fname);
8944
8945 return fd;
8946 }
8947
8948 /*
8949 * ":mark" and ":k".
8950 */
8951 static void
8952 ex_mark(eap)
8953 exarg_T *eap;
8954 {
8955 pos_T pos;
8956
8957 if (*eap->arg == NUL) /* No argument? */
8958 EMSG(_(e_argreq));
8959 else if (eap->arg[1] != NUL) /* more than one character? */
8960 EMSG(_(e_trailing));
8961 else
8962 {
8963 pos = curwin->w_cursor; /* save curwin->w_cursor */
8964 curwin->w_cursor.lnum = eap->line2;
8965 beginline(BL_WHITE | BL_FIX);
8966 if (setmark(*eap->arg) == FAIL) /* set mark */
8967 EMSG(_("E191: Argument must be a letter or forward/backward quote"));
8968 curwin->w_cursor = pos; /* restore curwin->w_cursor */
8969 }
8970 }
8971
8972 /*
8973 * Update w_topline, w_leftcol and the cursor position.
8974 */
8975 void
8976 update_topline_cursor()
8977 {
8978 check_cursor(); /* put cursor on valid line */
8979 update_topline();
8980 if (!curwin->w_p_wrap)
8981 validate_cursor();
8982 update_curswant();
8983 }
8984
8985 #ifdef FEAT_EX_EXTRA
8986 /*
8987 * ":normal[!] {commands}": Execute normal mode commands.
8988 */
8989 static void
8990 ex_normal(eap)
8991 exarg_T *eap;
8992 {
8993 int save_msg_scroll = msg_scroll;
8994 int save_restart_edit = restart_edit;
8995 int save_msg_didout = msg_didout;
8996 int save_State = State;
8997 tasave_T tabuf;
8998 int save_insertmode = p_im;
8999 int save_finish_op = finish_op;
9000 int save_opcount = opcount;
9001 #ifdef FEAT_MBYTE
9002 char_u *arg = NULL;
9003 int l;
9004 char_u *p;
9005 #endif
9006
9007 if (ex_normal_lock > 0)
9008 {
9009 EMSG(_(e_secure));
9010 return;
9011 }
9012 if (ex_normal_busy >= p_mmd)
9013 {
9014 EMSG(_("E192: Recursive use of :normal too deep"));
9015 return;
9016 }
9017 ++ex_normal_busy;
9018
9019 msg_scroll = FALSE; /* no msg scrolling in Normal mode */
9020 restart_edit = 0; /* don't go to Insert mode */
9021 p_im = FALSE; /* don't use 'insertmode' */
9022
9023 #ifdef FEAT_MBYTE
9024 /*
9025 * vgetc() expects a CSI and K_SPECIAL to have been escaped. Don't do
9026 * this for the K_SPECIAL leading byte, otherwise special keys will not
9027 * work.
9028 */
9029 if (has_mbyte)
9030 {
9031 int len = 0;
9032
9033 /* Count the number of characters to be escaped. */
9034 for (p = eap->arg; *p != NUL; ++p)
9035 {
9036 # ifdef FEAT_GUI
9037 if (*p == CSI) /* leadbyte CSI */
9038 len += 2;
9039 # endif
9040 for (l = (*mb_ptr2len)(p) - 1; l > 0; --l)
9041 if (*++p == K_SPECIAL /* trailbyte K_SPECIAL or CSI */
9042 # ifdef FEAT_GUI
9043 || *p == CSI
9044 # endif
9045 )
9046 len += 2;
9047 }
9048 if (len > 0)
9049 {
9050 arg = alloc((unsigned)(STRLEN(eap->arg) + len + 1));
9051 if (arg != NULL)
9052 {
9053 len = 0;
9054 for (p = eap->arg; *p != NUL; ++p)
9055 {
9056 arg[len++] = *p;
9057 # ifdef FEAT_GUI
9058 if (*p == CSI)
9059 {
9060 arg[len++] = KS_EXTRA;
9061 arg[len++] = (int)KE_CSI;
9062 }
9063 # endif
9064 for (l = (*mb_ptr2len)(p) - 1; l > 0; --l)
9065 {
9066 arg[len++] = *++p;
9067 if (*p == K_SPECIAL)
9068 {
9069 arg[len++] = KS_SPECIAL;
9070 arg[len++] = KE_FILLER;
9071 }
9072 # ifdef FEAT_GUI
9073 else if (*p == CSI)
9074 {
9075 arg[len++] = KS_EXTRA;
9076 arg[len++] = (int)KE_CSI;
9077 }
9078 # endif
9079 }
9080 arg[len] = NUL;
9081 }
9082 }
9083 }
9084 }
9085 #endif
9086
9087 /*
9088 * Save the current typeahead. This is required to allow using ":normal"
9089 * from an event handler and makes sure we don't hang when the argument
9090 * ends with half a command.
9091 */
9092 save_typeahead(&tabuf);
9093 if (tabuf.typebuf_valid)
9094 {
9095 /*
9096 * Repeat the :normal command for each line in the range. When no
9097 * range given, execute it just once, without positioning the cursor
9098 * first.
9099 */
9100 do
9101 {
9102 if (eap->addr_count != 0)
9103 {
9104 curwin->w_cursor.lnum = eap->line1++;
9105 curwin->w_cursor.col = 0;
9106 }
9107
9108 exec_normal_cmd(
9109 #ifdef FEAT_MBYTE
9110 arg != NULL ? arg :
9111 #endif
9112 eap->arg, eap->forceit ? REMAP_NONE : REMAP_YES, FALSE);
9113 }
9114 while (eap->addr_count > 0 && eap->line1 <= eap->line2 && !got_int);
9115 }
9116
9117 /* Might not return to the main loop when in an event handler. */
9118 update_topline_cursor();
9119
9120 /* Restore the previous typeahead. */
9121 restore_typeahead(&tabuf);
9122
9123 --ex_normal_busy;
9124 msg_scroll = save_msg_scroll;
9125 restart_edit = save_restart_edit;
9126 p_im = save_insertmode;
9127 finish_op = save_finish_op;
9128 opcount = save_opcount;
9129 msg_didout |= save_msg_didout; /* don't reset msg_didout now */
9130
9131 /* Restore the state (needed when called from a function executed for
9132 * 'indentexpr'). */
9133 State = save_State;
9134 #ifdef FEAT_MBYTE
9135 vim_free(arg);
9136 #endif
9137 }
9138
9139 /*
9140 * ":startinsert", ":startreplace" and ":startgreplace"
9141 */
9142 static void
9143 ex_startinsert(eap)
9144 exarg_T *eap;
9145 {
9146 if (eap->forceit)
9147 {
9148 coladvance((colnr_T)MAXCOL);
9149 curwin->w_curswant = MAXCOL;
9150 curwin->w_set_curswant = FALSE;
9151 }
9152
9153 /* Ignore the command when already in Insert mode. Inserting an
9154 * expression register that invokes a function can do this. */
9155 if (State & INSERT)
9156 return;
9157
9158 if (eap->cmdidx == CMD_startinsert)
9159 restart_edit = 'a';
9160 else if (eap->cmdidx == CMD_startreplace)
9161 restart_edit = 'R';
9162 else
9163 restart_edit = 'V';
9164
9165 if (!eap->forceit)
9166 {
9167 if (eap->cmdidx == CMD_startinsert)
9168 restart_edit = 'i';
9169 curwin->w_curswant = 0; /* avoid MAXCOL */
9170 }
9171 }
9172
9173 /*
9174 * ":stopinsert"
9175 */
9176 static void
9177 ex_stopinsert(eap)
9178 exarg_T *eap UNUSED;
9179 {
9180 restart_edit = 0;
9181 stop_insert_mode = TRUE;
9182 }
9183 #endif
9184
9185 #if defined(FEAT_EX_EXTRA) || defined(FEAT_MENU) || defined(PROTO)
9186 /*
9187 * Execute normal mode command "cmd".
9188 * "remap" can be REMAP_NONE or REMAP_YES.
9189 */
9190 void
9191 exec_normal_cmd(cmd, remap, silent)
9192 char_u *cmd;
9193 int remap;
9194 int silent;
9195 {
9196 oparg_T oa;
9197
9198 /*
9199 * Stuff the argument into the typeahead buffer.
9200 * Execute normal_cmd() until there is no typeahead left.
9201 */
9202 clear_oparg(&oa);
9203 finish_op = FALSE;
9204 ins_typebuf(cmd, remap, 0, TRUE, silent);
9205 while ((!stuff_empty() || (!typebuf_typed() && typebuf.tb_len > 0))
9206 && !got_int)
9207 {
9208 update_topline_cursor();
9209 normal_cmd(&oa, FALSE); /* execute a Normal mode cmd */
9210 }
9211 }
9212 #endif
9213
9214 #ifdef FEAT_FIND_ID
9215 static void
9216 ex_checkpath(eap)
9217 exarg_T *eap;
9218 {
9219 find_pattern_in_path(NULL, 0, 0, FALSE, FALSE, CHECK_PATH, 1L,
9220 eap->forceit ? ACTION_SHOW_ALL : ACTION_SHOW,
9221 (linenr_T)1, (linenr_T)MAXLNUM);
9222 }
9223
9224 #if defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX)
9225 /*
9226 * ":psearch"
9227 */
9228 static void
9229 ex_psearch(eap)
9230 exarg_T *eap;
9231 {
9232 g_do_tagpreview = p_pvh;
9233 ex_findpat(eap);
9234 g_do_tagpreview = 0;
9235 }
9236 #endif
9237
9238 static void
9239 ex_findpat(eap)
9240 exarg_T *eap;
9241 {
9242 int whole = TRUE;
9243 long n;
9244 char_u *p;
9245 int action;
9246
9247 switch (cmdnames[eap->cmdidx].cmd_name[2])
9248 {
9249 case 'e': /* ":psearch", ":isearch" and ":dsearch" */
9250 if (cmdnames[eap->cmdidx].cmd_name[0] == 'p')
9251 action = ACTION_GOTO;
9252 else
9253 action = ACTION_SHOW;
9254 break;
9255 case 'i': /* ":ilist" and ":dlist" */
9256 action = ACTION_SHOW_ALL;
9257 break;
9258 case 'u': /* ":ijump" and ":djump" */
9259 action = ACTION_GOTO;
9260 break;
9261 default: /* ":isplit" and ":dsplit" */
9262 action = ACTION_SPLIT;
9263 break;
9264 }
9265
9266 n = 1;
9267 if (vim_isdigit(*eap->arg)) /* get count */
9268 {
9269 n = getdigits(&eap->arg);
9270 eap->arg = skipwhite(eap->arg);
9271 }
9272 if (*eap->arg == '/') /* Match regexp, not just whole words */
9273 {
9274 whole = FALSE;
9275 ++eap->arg;
9276 p = skip_regexp(eap->arg, '/', p_magic, NULL);
9277 if (*p)
9278 {
9279 *p++ = NUL;
9280 p = skipwhite(p);
9281
9282 /* Check for trailing illegal characters */
9283 if (!ends_excmd(*p))
9284 eap->errmsg = e_trailing;
9285 else
9286 eap->nextcmd = check_nextcmd(p);
9287 }
9288 }
9289 if (!eap->skip)
9290 find_pattern_in_path(eap->arg, 0, (int)STRLEN(eap->arg),
9291 whole, !eap->forceit,
9292 *eap->cmd == 'd' ? FIND_DEFINE : FIND_ANY,
9293 n, action, eap->line1, eap->line2);
9294 }
9295 #endif
9296
9297 #ifdef FEAT_WINDOWS
9298
9299 # ifdef FEAT_QUICKFIX
9300 /*
9301 * ":ptag", ":ptselect", ":ptjump", ":ptnext", etc.
9302 */
9303 static void
9304 ex_ptag(eap)
9305 exarg_T *eap;
9306 {
9307 g_do_tagpreview = p_pvh;
9308 ex_tag_cmd(eap, cmdnames[eap->cmdidx].cmd_name + 1);
9309 }
9310
9311 /*
9312 * ":pedit"
9313 */
9314 static void
9315 ex_pedit(eap)
9316 exarg_T *eap;
9317 {
9318 win_T *curwin_save = curwin;
9319
9320 g_do_tagpreview = p_pvh;
9321 prepare_tagpreview(TRUE);
9322 keep_help_flag = curwin_save->w_buffer->b_help;
9323 do_exedit(eap, NULL);
9324 keep_help_flag = FALSE;
9325 if (curwin != curwin_save && win_valid(curwin_save))
9326 {
9327 /* Return cursor to where we were */
9328 validate_cursor();
9329 redraw_later(VALID);
9330 win_enter(curwin_save, TRUE);
9331 }
9332 g_do_tagpreview = 0;
9333 }
9334 # endif
9335
9336 /*
9337 * ":stag", ":stselect" and ":stjump".
9338 */
9339 static void
9340 ex_stag(eap)
9341 exarg_T *eap;
9342 {
9343 postponed_split = -1;
9344 postponed_split_flags = cmdmod.split;
9345 postponed_split_tab = cmdmod.tab;
9346 ex_tag_cmd(eap, cmdnames[eap->cmdidx].cmd_name + 1);
9347 postponed_split_flags = 0;
9348 postponed_split_tab = 0;
9349 }
9350 #endif
9351
9352 /*
9353 * ":tag", ":tselect", ":tjump", ":tnext", etc.
9354 */
9355 static void
9356 ex_tag(eap)
9357 exarg_T *eap;
9358 {
9359 ex_tag_cmd(eap, cmdnames[eap->cmdidx].cmd_name);
9360 }
9361
9362 static void
9363 ex_tag_cmd(eap, name)
9364 exarg_T *eap;
9365 char_u *name;
9366 {
9367 int cmd;
9368
9369 switch (name[1])
9370 {
9371 case 'j': cmd = DT_JUMP; /* ":tjump" */
9372 break;
9373 case 's': cmd = DT_SELECT; /* ":tselect" */
9374 break;
9375 case 'p': cmd = DT_PREV; /* ":tprevious" */
9376 break;
9377 case 'N': cmd = DT_PREV; /* ":tNext" */
9378 break;
9379 case 'n': cmd = DT_NEXT; /* ":tnext" */
9380 break;
9381 case 'o': cmd = DT_POP; /* ":pop" */
9382 break;
9383 case 'f': /* ":tfirst" */
9384 case 'r': cmd = DT_FIRST; /* ":trewind" */
9385 break;
9386 case 'l': cmd = DT_LAST; /* ":tlast" */
9387 break;
9388 default: /* ":tag" */
9389 #ifdef FEAT_CSCOPE
9390 if (p_cst && *eap->arg != NUL)
9391 {
9392 do_cstag(eap);
9393 return;
9394 }
9395 #endif
9396 cmd = DT_TAG;
9397 break;
9398 }
9399
9400 if (name[0] == 'l')
9401 {
9402 #ifndef FEAT_QUICKFIX
9403 ex_ni(eap);
9404 return;
9405 #else
9406 cmd = DT_LTAG;
9407 #endif
9408 }
9409
9410 do_tag(eap->arg, cmd, eap->addr_count > 0 ? (int)eap->line2 : 1,
9411 eap->forceit, TRUE);
9412 }
9413
9414 /*
9415 * Check "str" for starting with a special cmdline variable.
9416 * If found return one of the SPEC_ values and set "*usedlen" to the length of
9417 * the variable. Otherwise return -1 and "*usedlen" is unchanged.
9418 */
9419 int
9420 find_cmdline_var(src, usedlen)
9421 char_u *src;
9422 int *usedlen;
9423 {
9424 int len;
9425 int i;
9426 static char *(spec_str[]) = {
9427 "%",
9428 #define SPEC_PERC 0
9429 "#",
9430 #define SPEC_HASH 1
9431 "<cword>", /* cursor word */
9432 #define SPEC_CWORD 2
9433 "<cWORD>", /* cursor WORD */
9434 #define SPEC_CCWORD 3
9435 "<cfile>", /* cursor path name */
9436 #define SPEC_CFILE 4
9437 "<sfile>", /* ":so" file name */
9438 #define SPEC_SFILE 5
9439 #ifdef FEAT_AUTOCMD
9440 "<afile>", /* autocommand file name */
9441 # define SPEC_AFILE 6
9442 "<abuf>", /* autocommand buffer number */
9443 # define SPEC_ABUF 7
9444 "<amatch>", /* autocommand match name */
9445 # define SPEC_AMATCH 8
9446 #endif
9447 #ifdef FEAT_CLIENTSERVER
9448 "<client>"
9449 # define SPEC_CLIENT 9
9450 #endif
9451 };
9452
9453 for (i = 0; i < (int)(sizeof(spec_str) / sizeof(char *)); ++i)
9454 {
9455 len = (int)STRLEN(spec_str[i]);
9456 if (STRNCMP(src, spec_str[i], len) == 0)
9457 {
9458 *usedlen = len;
9459 return i;
9460 }
9461 }
9462 return -1;
9463 }
9464
9465 /*
9466 * Evaluate cmdline variables.
9467 *
9468 * change '%' to curbuf->b_ffname
9469 * '#' to curwin->w_altfile
9470 * '<cword>' to word under the cursor
9471 * '<cWORD>' to WORD under the cursor
9472 * '<cfile>' to path name under the cursor
9473 * '<sfile>' to sourced file name
9474 * '<afile>' to file name for autocommand
9475 * '<abuf>' to buffer number for autocommand
9476 * '<amatch>' to matching name for autocommand
9477 *
9478 * When an error is detected, "errormsg" is set to a non-NULL pointer (may be
9479 * "" for error without a message) and NULL is returned.
9480 * Returns an allocated string if a valid match was found.
9481 * Returns NULL if no match was found. "usedlen" then still contains the
9482 * number of characters to skip.
9483 */
9484 char_u *
9485 eval_vars(src, srcstart, usedlen, lnump, errormsg, escaped)
9486 char_u *src; /* pointer into commandline */
9487 char_u *srcstart; /* beginning of valid memory for src */
9488 int *usedlen; /* characters after src that are used */
9489 linenr_T *lnump; /* line number for :e command, or NULL */
9490 char_u **errormsg; /* pointer to error message */
9491 int *escaped; /* return value has escaped white space (can
9492 * be NULL) */
9493 {
9494 int i;
9495 char_u *s;
9496 char_u *result;
9497 char_u *resultbuf = NULL;
9498 int resultlen;
9499 buf_T *buf;
9500 int valid = VALID_HEAD + VALID_PATH; /* assume valid result */
9501 int spec_idx;
9502 #ifdef FEAT_MODIFY_FNAME
9503 int skip_mod = FALSE;
9504 #endif
9505
9506 #if defined(FEAT_AUTOCMD) || defined(FEAT_CLIENTSERVER)
9507 char_u strbuf[30];
9508 #endif
9509
9510 *errormsg = NULL;
9511 if (escaped != NULL)
9512 *escaped = FALSE;
9513
9514 /*
9515 * Check if there is something to do.
9516 */
9517 spec_idx = find_cmdline_var(src, usedlen);
9518 if (spec_idx < 0) /* no match */
9519 {
9520 *usedlen = 1;
9521 return NULL;
9522 }
9523
9524 /*
9525 * Skip when preceded with a backslash "\%" and "\#".
9526 * Note: In "\\%" the % is also not recognized!
9527 */
9528 if (src > srcstart && src[-1] == '\\')
9529 {
9530 *usedlen = 0;
9531 STRMOVE(src - 1, src); /* remove backslash */
9532 return NULL;
9533 }
9534
9535 /*
9536 * word or WORD under cursor
9537 */
9538 if (spec_idx == SPEC_CWORD || spec_idx == SPEC_CCWORD)
9539 {
9540 resultlen = find_ident_under_cursor(&result, spec_idx == SPEC_CWORD ?
9541 (FIND_IDENT|FIND_STRING) : FIND_STRING);
9542 if (resultlen == 0)
9543 {
9544 *errormsg = (char_u *)"";
9545 return NULL;
9546 }
9547 }
9548
9549 /*
9550 * '#': Alternate file name
9551 * '%': Current file name
9552 * File name under the cursor
9553 * File name for autocommand
9554 * and following modifiers
9555 */
9556 else
9557 {
9558 switch (spec_idx)
9559 {
9560 case SPEC_PERC: /* '%': current file */
9561 if (curbuf->b_fname == NULL)
9562 {
9563 result = (char_u *)"";
9564 valid = 0; /* Must have ":p:h" to be valid */
9565 }
9566 else
9567 #ifdef RISCOS
9568 /* Always use the full path for RISC OS if possible. */
9569 result = curbuf->b_ffname;
9570 if (result == NULL)
9571 result = curbuf->b_fname;
9572 #else
9573 result = curbuf->b_fname;
9574 #endif
9575 break;
9576
9577 case SPEC_HASH: /* '#' or "#99": alternate file */
9578 if (src[1] == '#') /* "##": the argument list */
9579 {
9580 result = arg_all();
9581 resultbuf = result;
9582 *usedlen = 2;
9583 if (escaped != NULL)
9584 *escaped = TRUE;
9585 #ifdef FEAT_MODIFY_FNAME
9586 skip_mod = TRUE;
9587 #endif
9588 break;
9589 }
9590 s = src + 1;
9591 if (*s == '<') /* "#<99" uses v:oldfiles */
9592 ++s;
9593 i = (int)getdigits(&s);
9594 *usedlen = (int)(s - src); /* length of what we expand */
9595
9596 if (src[1] == '<')
9597 {
9598 if (*usedlen < 2)
9599 {
9600 /* Should we give an error message for #<text? */
9601 *usedlen = 1;
9602 return NULL;
9603 }
9604 #ifdef FEAT_EVAL
9605 result = list_find_str(get_vim_var_list(VV_OLDFILES),
9606 (long)i);
9607 if (result == NULL)
9608 {
9609 *errormsg = (char_u *)"";
9610 return NULL;
9611 }
9612 #else
9613 *errormsg = (char_u *)_("E809: #< is not available without the +eval feature");
9614 return NULL;
9615 #endif
9616 }
9617 else
9618 {
9619 buf = buflist_findnr(i);
9620 if (buf == NULL)
9621 {
9622 *errormsg = (char_u *)_("E194: No alternate file name to substitute for '#'");
9623 return NULL;
9624 }
9625 if (lnump != NULL)
9626 *lnump = ECMD_LAST;
9627 if (buf->b_fname == NULL)
9628 {
9629 result = (char_u *)"";
9630 valid = 0; /* Must have ":p:h" to be valid */
9631 }
9632 else
9633 result = buf->b_fname;
9634 }
9635 break;
9636
9637 #ifdef FEAT_SEARCHPATH
9638 case SPEC_CFILE: /* file name under cursor */
9639 result = file_name_at_cursor(FNAME_MESS|FNAME_HYP, 1L, NULL);
9640 if (result == NULL)
9641 {
9642 *errormsg = (char_u *)"";
9643 return NULL;
9644 }
9645 resultbuf = result; /* remember allocated string */
9646 break;
9647 #endif
9648
9649 #ifdef FEAT_AUTOCMD
9650 case SPEC_AFILE: /* file name for autocommand */
9651 result = autocmd_fname;
9652 if (result != NULL && !autocmd_fname_full)
9653 {
9654 /* Still need to turn the fname into a full path. It is
9655 * postponed to avoid a delay when <afile> is not used. */
9656 autocmd_fname_full = TRUE;
9657 result = FullName_save(autocmd_fname, FALSE);
9658 vim_free(autocmd_fname);
9659 autocmd_fname = result;
9660 }
9661 if (result == NULL)
9662 {
9663 *errormsg = (char_u *)_("E495: no autocommand file name to substitute for \"<afile>\"");
9664 return NULL;
9665 }
9666 result = shorten_fname1(result);
9667 break;
9668
9669 case SPEC_ABUF: /* buffer number for autocommand */
9670 if (autocmd_bufnr <= 0)
9671 {
9672 *errormsg = (char_u *)_("E496: no autocommand buffer number to substitute for \"<abuf>\"");
9673 return NULL;
9674 }
9675 sprintf((char *)strbuf, "%d", autocmd_bufnr);
9676 result = strbuf;
9677 break;
9678
9679 case SPEC_AMATCH: /* match name for autocommand */
9680 result = autocmd_match;
9681 if (result == NULL)
9682 {
9683 *errormsg = (char_u *)_("E497: no autocommand match name to substitute for \"<amatch>\"");
9684 return NULL;
9685 }
9686 break;
9687
9688 #endif
9689 case SPEC_SFILE: /* file name for ":so" command */
9690 result = sourcing_name;
9691 if (result == NULL)
9692 {
9693 *errormsg = (char_u *)_("E498: no :source file name to substitute for \"<sfile>\"");
9694 return NULL;
9695 }
9696 break;
9697 #if defined(FEAT_CLIENTSERVER)
9698 case SPEC_CLIENT: /* Source of last submitted input */
9699 sprintf((char *)strbuf, PRINTF_HEX_LONG_U,
9700 (long_u)clientWindow);
9701 result = strbuf;
9702 break;
9703 #endif
9704 }
9705
9706 resultlen = (int)STRLEN(result); /* length of new string */
9707 if (src[*usedlen] == '<') /* remove the file name extension */
9708 {
9709 ++*usedlen;
9710 #ifdef RISCOS
9711 if ((s = vim_strrchr(result, '/')) != NULL && s >= gettail(result))
9712 #else
9713 if ((s = vim_strrchr(result, '.')) != NULL && s >= gettail(result))
9714 #endif
9715 resultlen = (int)(s - result);
9716 }
9717 #ifdef FEAT_MODIFY_FNAME
9718 else if (!skip_mod)
9719 {
9720 valid |= modify_fname(src, usedlen, &result, &resultbuf,
9721 &resultlen);
9722 if (result == NULL)
9723 {
9724 *errormsg = (char_u *)"";
9725 return NULL;
9726 }
9727 }
9728 #endif
9729 }
9730
9731 if (resultlen == 0 || valid != VALID_HEAD + VALID_PATH)
9732 {
9733 if (valid != VALID_HEAD + VALID_PATH)
9734 /* xgettext:no-c-format */
9735 *errormsg = (char_u *)_("E499: Empty file name for '%' or '#', only works with \":p:h\"");
9736 else
9737 *errormsg = (char_u *)_("E500: Evaluates to an empty string");
9738 result = NULL;
9739 }
9740 else
9741 result = vim_strnsave(result, resultlen);
9742 vim_free(resultbuf);
9743 return result;
9744 }
9745
9746 /*
9747 * Concatenate all files in the argument list, separated by spaces, and return
9748 * it in one allocated string.
9749 * Spaces and backslashes in the file names are escaped with a backslash.
9750 * Returns NULL when out of memory.
9751 */
9752 static char_u *
9753 arg_all()
9754 {
9755 int len;
9756 int idx;
9757 char_u *retval = NULL;
9758 char_u *p;
9759
9760 /*
9761 * Do this loop two times:
9762 * first time: compute the total length
9763 * second time: concatenate the names
9764 */
9765 for (;;)
9766 {
9767 len = 0;
9768 for (idx = 0; idx < ARGCOUNT; ++idx)
9769 {
9770 p = alist_name(&ARGLIST[idx]);
9771 if (p != NULL)
9772 {
9773 if (len > 0)
9774 {
9775 /* insert a space in between names */
9776 if (retval != NULL)
9777 retval[len] = ' ';
9778 ++len;
9779 }
9780 for ( ; *p != NUL; ++p)
9781 {
9782 if (*p == ' ' || *p == '\\')
9783 {
9784 /* insert a backslash */
9785 if (retval != NULL)
9786 retval[len] = '\\';
9787 ++len;
9788 }
9789 if (retval != NULL)
9790 retval[len] = *p;
9791 ++len;
9792 }
9793 }
9794 }
9795
9796 /* second time: break here */
9797 if (retval != NULL)
9798 {
9799 retval[len] = NUL;
9800 break;
9801 }
9802
9803 /* allocate memory */
9804 retval = alloc((unsigned)len + 1);
9805 if (retval == NULL)
9806 break;
9807 }
9808
9809 return retval;
9810 }
9811
9812 #if defined(FEAT_AUTOCMD) || defined(PROTO)
9813 /*
9814 * Expand the <sfile> string in "arg".
9815 *
9816 * Returns an allocated string, or NULL for any error.
9817 */
9818 char_u *
9819 expand_sfile(arg)
9820 char_u *arg;
9821 {
9822 char_u *errormsg;
9823 int len;
9824 char_u *result;
9825 char_u *newres;
9826 char_u *repl;
9827 int srclen;
9828 char_u *p;
9829
9830 result = vim_strsave(arg);
9831 if (result == NULL)
9832 return NULL;
9833
9834 for (p = result; *p; )
9835 {
9836 if (STRNCMP(p, "<sfile>", 7) != 0)
9837 ++p;
9838 else
9839 {
9840 /* replace "<sfile>" with the sourced file name, and do ":" stuff */
9841 repl = eval_vars(p, result, &srclen, NULL, &errormsg, NULL);
9842 if (errormsg != NULL)
9843 {
9844 if (*errormsg)
9845 emsg(errormsg);
9846 vim_free(result);
9847 return NULL;
9848 }
9849 if (repl == NULL) /* no match (cannot happen) */
9850 {
9851 p += srclen;
9852 continue;
9853 }
9854 len = (int)STRLEN(result) - srclen + (int)STRLEN(repl) + 1;
9855 newres = alloc(len);
9856 if (newres == NULL)
9857 {
9858 vim_free(repl);
9859 vim_free(result);
9860 return NULL;
9861 }
9862 mch_memmove(newres, result, (size_t)(p - result));
9863 STRCPY(newres + (p - result), repl);
9864 len = (int)STRLEN(newres);
9865 STRCAT(newres, p + srclen);
9866 vim_free(repl);
9867 vim_free(result);
9868 result = newres;
9869 p = newres + len; /* continue after the match */
9870 }
9871 }
9872
9873 return result;
9874 }
9875 #endif
9876
9877 #ifdef FEAT_SESSION
9878 static int ses_winsizes __ARGS((FILE *fd, int restore_size,
9879 win_T *tab_firstwin));
9880 static int ses_win_rec __ARGS((FILE *fd, frame_T *fr));
9881 static frame_T *ses_skipframe __ARGS((frame_T *fr));
9882 static int ses_do_frame __ARGS((frame_T *fr));
9883 static int ses_do_win __ARGS((win_T *wp));
9884 static int ses_arglist __ARGS((FILE *fd, char *cmd, garray_T *gap, int fullname, unsigned *flagp));
9885 static int ses_put_fname __ARGS((FILE *fd, char_u *name, unsigned *flagp));
9886 static int ses_fname __ARGS((FILE *fd, buf_T *buf, unsigned *flagp));
9887
9888 /*
9889 * Write openfile commands for the current buffers to an .exrc file.
9890 * Return FAIL on error, OK otherwise.
9891 */
9892 static int
9893 makeopens(fd, dirnow)
9894 FILE *fd;
9895 char_u *dirnow; /* Current directory name */
9896 {
9897 buf_T *buf;
9898 int only_save_windows = TRUE;
9899 int nr;
9900 int cnr = 1;
9901 int restore_size = TRUE;
9902 win_T *wp;
9903 char_u *sname;
9904 win_T *edited_win = NULL;
9905 int tabnr;
9906 win_T *tab_firstwin;
9907 frame_T *tab_topframe;
9908 int cur_arg_idx = 0;
9909 int next_arg_idx = 0;
9910
9911 if (ssop_flags & SSOP_BUFFERS)
9912 only_save_windows = FALSE; /* Save ALL buffers */
9913
9914 /*
9915 * Begin by setting the this_session variable, and then other
9916 * sessionable variables.
9917 */
9918 #ifdef FEAT_EVAL
9919 if (put_line(fd, "let v:this_session=expand(\"<sfile>:p\")") == FAIL)
9920 return FAIL;
9921 if (ssop_flags & SSOP_GLOBALS)
9922 if (store_session_globals(fd) == FAIL)
9923 return FAIL;
9924 #endif
9925
9926 /*
9927 * Close all windows but one.
9928 */
9929 if (put_line(fd, "silent only") == FAIL)
9930 return FAIL;
9931
9932 /*
9933 * Now a :cd command to the session directory or the current directory
9934 */
9935 if (ssop_flags & SSOP_SESDIR)
9936 {
9937 if (put_line(fd, "exe \"cd \" . escape(expand(\"<sfile>:p:h\"), ' ')")
9938 == FAIL)
9939 return FAIL;
9940 }
9941 else if (ssop_flags & SSOP_CURDIR)
9942 {
9943 sname = home_replace_save(NULL, globaldir != NULL ? globaldir : dirnow);
9944 if (sname == NULL
9945 || fputs("cd ", fd) < 0
9946 || ses_put_fname(fd, sname, &ssop_flags) == FAIL
9947 || put_eol(fd) == FAIL)
9948 {
9949 vim_free(sname);
9950 return FAIL;
9951 }
9952 vim_free(sname);
9953 }
9954
9955 /*
9956 * If there is an empty, unnamed buffer we will wipe it out later.
9957 * Remember the buffer number.
9958 */
9959 if (put_line(fd, "if expand('%') == '' && !&modified && line('$') <= 1 && getline(1) == ''") == FAIL)
9960 return FAIL;
9961 if (put_line(fd, " let s:wipebuf = bufnr('%')") == FAIL)
9962 return FAIL;
9963 if (put_line(fd, "endif") == FAIL)
9964 return FAIL;
9965
9966 /*
9967 * Now save the current files, current buffer first.
9968 */
9969 if (put_line(fd, "set shortmess=aoO") == FAIL)
9970 return FAIL;
9971
9972 /* Now put the other buffers into the buffer list */
9973 for (buf = firstbuf; buf != NULL; buf = buf->b_next)
9974 {
9975 if (!(only_save_windows && buf->b_nwindows == 0)
9976 && !(buf->b_help && !(ssop_flags & SSOP_HELP))
9977 && buf->b_fname != NULL
9978 && buf->b_p_bl)
9979 {
9980 if (fprintf(fd, "badd +%ld ", buf->b_wininfo == NULL ? 1L
9981 : buf->b_wininfo->wi_fpos.lnum) < 0
9982 || ses_fname(fd, buf, &ssop_flags) == FAIL)
9983 return FAIL;
9984 }
9985 }
9986
9987 /* the global argument list */
9988 if (ses_arglist(fd, "args", &global_alist.al_ga,
9989 !(ssop_flags & SSOP_CURDIR), &ssop_flags) == FAIL)
9990 return FAIL;
9991
9992 if (ssop_flags & SSOP_RESIZE)
9993 {
9994 /* Note: after the restore we still check it worked!*/
9995 if (fprintf(fd, "set lines=%ld columns=%ld" , Rows, Columns) < 0
9996 || put_eol(fd) == FAIL)
9997 return FAIL;
9998 #ifdef FEAT_FULLSCREEN
9999 /* fullscreen needs to be set after lines and columns */
10000 if (p_fullscreen)
10001 {
10002 if (fprintf(fd, "set fullscreen") < 0 || put_eol(fd) == FAIL)
10003 return FAIL;
10004 }
10005 #endif
10006 }
10007
10008 #ifdef FEAT_GUI
10009 if (gui.in_use && (ssop_flags & SSOP_WINPOS))
10010 {
10011 int x, y;
10012
10013 if (gui_mch_get_winpos(&x, &y) == OK)
10014 {
10015 /* Note: after the restore we still check it worked!*/
10016 if (fprintf(fd, "winpos %d %d", x, y) < 0 || put_eol(fd) == FAIL)
10017 return FAIL;
10018 }
10019 }
10020 #endif
10021
10022 /*
10023 * May repeat putting Windows for each tab, when "tabpages" is in
10024 * 'sessionoptions'.
10025 * Don't use goto_tabpage(), it may change directory and trigger
10026 * autocommands.
10027 */
10028 tab_firstwin = firstwin; /* first window in tab page "tabnr" */
10029 tab_topframe = topframe;
10030 for (tabnr = 1; ; ++tabnr)
10031 {
10032 int need_tabnew = FALSE;
10033
10034 if ((ssop_flags & SSOP_TABPAGES))
10035 {
10036 tabpage_T *tp = find_tabpage(tabnr);
10037
10038 if (tp == NULL)
10039 break; /* done all tab pages */
10040 if (tp == curtab)
10041 {
10042 tab_firstwin = firstwin;
10043 tab_topframe = topframe;
10044 }
10045 else
10046 {
10047 tab_firstwin = tp->tp_firstwin;
10048 tab_topframe = tp->tp_topframe;
10049 }
10050 if (tabnr > 1)
10051 need_tabnew = TRUE;
10052 }
10053
10054 /*
10055 * Before creating the window layout, try loading one file. If this
10056 * is aborted we don't end up with a number of useless windows.
10057 * This may have side effects! (e.g., compressed or network file).
10058 */
10059 for (wp = tab_firstwin; wp != NULL; wp = wp->w_next)
10060 {
10061 if (ses_do_win(wp)
10062 && wp->w_buffer->b_ffname != NULL
10063 && !wp->w_buffer->b_help
10064 #ifdef FEAT_QUICKFIX
10065 && !bt_nofile(wp->w_buffer)
10066 #endif
10067 )
10068 {
10069 if (fputs(need_tabnew ? "tabedit " : "edit ", fd) < 0
10070 || ses_fname(fd, wp->w_buffer, &ssop_flags) == FAIL)
10071 return FAIL;
10072 need_tabnew = FALSE;
10073 if (!wp->w_arg_idx_invalid)
10074 edited_win = wp;
10075 break;
10076 }
10077 }
10078
10079 /* If no file got edited create an empty tab page. */
10080 if (need_tabnew && put_line(fd, "tabnew") == FAIL)
10081 return FAIL;
10082
10083 /*
10084 * Save current window layout.
10085 */
10086 if (put_line(fd, "set splitbelow splitright") == FAIL)
10087 return FAIL;
10088 if (ses_win_rec(fd, tab_topframe) == FAIL)
10089 return FAIL;
10090 if (!p_sb && put_line(fd, "set nosplitbelow") == FAIL)
10091 return FAIL;
10092 if (!p_spr && put_line(fd, "set nosplitright") == FAIL)
10093 return FAIL;
10094
10095 /*
10096 * Check if window sizes can be restored (no windows omitted).
10097 * Remember the window number of the current window after restoring.
10098 */
10099 nr = 0;
10100 for (wp = tab_firstwin; wp != NULL; wp = W_NEXT(wp))
10101 {
10102 if (ses_do_win(wp))
10103 ++nr;
10104 else
10105 restore_size = FALSE;
10106 if (curwin == wp)
10107 cnr = nr;
10108 }
10109
10110 /* Go to the first window. */
10111 if (put_line(fd, "wincmd t") == FAIL)
10112 return FAIL;
10113
10114 /*
10115 * If more than one window, see if sizes can be restored.
10116 * First set 'winheight' and 'winwidth' to 1 to avoid the windows being
10117 * resized when moving between windows.
10118 * Do this before restoring the view, so that the topline and the
10119 * cursor can be set. This is done again below.
10120 */
10121 if (put_line(fd, "set winheight=1 winwidth=1") == FAIL)
10122 return FAIL;
10123 if (nr > 1 && ses_winsizes(fd, restore_size, tab_firstwin) == FAIL)
10124 return FAIL;
10125
10126 /*
10127 * Restore the view of the window (options, file, cursor, etc.).
10128 */
10129 for (wp = tab_firstwin; wp != NULL; wp = wp->w_next)
10130 {
10131 if (!ses_do_win(wp))
10132 continue;
10133 if (put_view(fd, wp, wp != edited_win, &ssop_flags,
10134 cur_arg_idx) == FAIL)
10135 return FAIL;
10136 if (nr > 1 && put_line(fd, "wincmd w") == FAIL)
10137 return FAIL;
10138 next_arg_idx = wp->w_arg_idx;
10139 }
10140
10141 /* The argument index in the first tab page is zero, need to set it in
10142 * each window. For further tab pages it's the window where we do
10143 * "tabedit". */
10144 cur_arg_idx = next_arg_idx;
10145
10146 /*
10147 * Restore cursor to the current window if it's not the first one.
10148 */
10149 if (cnr > 1 && (fprintf(fd, "%dwincmd w", cnr) < 0
10150 || put_eol(fd) == FAIL))
10151 return FAIL;
10152
10153 /*
10154 * Restore window sizes again after jumping around in windows, because
10155 * the current window has a minimum size while others may not.
10156 */
10157 if (nr > 1 && ses_winsizes(fd, restore_size, tab_firstwin) == FAIL)
10158 return FAIL;
10159
10160 /* Don't continue in another tab page when doing only the current one
10161 * or when at the last tab page. */
10162 if (!(ssop_flags & SSOP_TABPAGES))
10163 break;
10164 }
10165
10166 if (ssop_flags & SSOP_TABPAGES)
10167 {
10168 if (fprintf(fd, "tabnext %d", tabpage_index(curtab)) < 0
10169 || put_eol(fd) == FAIL)
10170 return FAIL;
10171 }
10172
10173 /*
10174 * Wipe out an empty unnamed buffer we started in.
10175 */
10176 if (put_line(fd, "if exists('s:wipebuf')") == FAIL)
10177 return FAIL;
10178 if (put_line(fd, " silent exe 'bwipe ' . s:wipebuf") == FAIL)
10179 return FAIL;
10180 if (put_line(fd, "endif") == FAIL)
10181 return FAIL;
10182 if (put_line(fd, "unlet! s:wipebuf") == FAIL)
10183 return FAIL;
10184
10185 /* Re-apply 'winheight', 'winwidth' and 'shortmess'. */
10186 if (fprintf(fd, "set winheight=%ld winwidth=%ld shortmess=%s",
10187 p_wh, p_wiw, p_shm) < 0 || put_eol(fd) == FAIL)
10188 return FAIL;
10189
10190 /*
10191 * Lastly, execute the x.vim file if it exists.
10192 */
10193 if (put_line(fd, "let s:sx = expand(\"<sfile>:p:r\").\"x.vim\"") == FAIL
10194 || put_line(fd, "if file_readable(s:sx)") == FAIL
10195 || put_line(fd, " exe \"source \" . fnameescape(s:sx)") == FAIL
10196 || put_line(fd, "endif") == FAIL)
10197 return FAIL;
10198
10199 return OK;
10200 }
10201
10202 static int
10203 ses_winsizes(fd, restore_size, tab_firstwin)
10204 FILE *fd;
10205 int restore_size;
10206 win_T *tab_firstwin;
10207 {
10208 int n = 0;
10209 win_T *wp;
10210
10211 if (restore_size && (ssop_flags & SSOP_WINSIZE))
10212 {
10213 for (wp = tab_firstwin; wp != NULL; wp = wp->w_next)
10214 {
10215 if (!ses_do_win(wp))
10216 continue;
10217 ++n;
10218
10219 /* restore height when not full height */
10220 if (wp->w_height + wp->w_status_height < topframe->fr_height
10221 && (fprintf(fd,
10222 "exe '%dresize ' . ((&lines * %ld + %ld) / %ld)",
10223 n, (long)wp->w_height, Rows / 2, Rows) < 0
10224 || put_eol(fd) == FAIL))
10225 return FAIL;
10226
10227 /* restore width when not full width */
10228 if (wp->w_width < Columns && (fprintf(fd,
10229 "exe 'vert %dresize ' . ((&columns * %ld + %ld) / %ld)",
10230 n, (long)wp->w_width, Columns / 2, Columns) < 0
10231 || put_eol(fd) == FAIL))
10232 return FAIL;
10233 }
10234 }
10235 else
10236 {
10237 /* Just equalise window sizes */
10238 if (put_line(fd, "wincmd =") == FAIL)
10239 return FAIL;
10240 }
10241 return OK;
10242 }
10243
10244 /*
10245 * Write commands to "fd" to recursively create windows for frame "fr",
10246 * horizontally and vertically split.
10247 * After the commands the last window in the frame is the current window.
10248 * Returns FAIL when writing the commands to "fd" fails.
10249 */
10250 static int
10251 ses_win_rec(fd, fr)
10252 FILE *fd;
10253 frame_T *fr;
10254 {
10255 frame_T *frc;
10256 int count = 0;
10257
10258 if (fr->fr_layout != FR_LEAF)
10259 {
10260 /* Find first frame that's not skipped and then create a window for
10261 * each following one (first frame is already there). */
10262 frc = ses_skipframe(fr->fr_child);
10263 if (frc != NULL)
10264 while ((frc = ses_skipframe(frc->fr_next)) != NULL)
10265 {
10266 /* Make window as big as possible so that we have lots of room
10267 * to split. */
10268 if (put_line(fd, "wincmd _ | wincmd |") == FAIL
10269 || put_line(fd, fr->fr_layout == FR_COL
10270 ? "split" : "vsplit") == FAIL)
10271 return FAIL;
10272 ++count;
10273 }
10274
10275 /* Go back to the first window. */
10276 if (count > 0 && (fprintf(fd, fr->fr_layout == FR_COL
10277 ? "%dwincmd k" : "%dwincmd h", count) < 0
10278 || put_eol(fd) == FAIL))
10279 return FAIL;
10280
10281 /* Recursively create frames/windows in each window of this column or
10282 * row. */
10283 frc = ses_skipframe(fr->fr_child);
10284 while (frc != NULL)
10285 {
10286 ses_win_rec(fd, frc);
10287 frc = ses_skipframe(frc->fr_next);
10288 /* Go to next window. */
10289 if (frc != NULL && put_line(fd, "wincmd w") == FAIL)
10290 return FAIL;
10291 }
10292 }
10293 return OK;
10294 }
10295
10296 /*
10297 * Skip frames that don't contain windows we want to save in the Session.
10298 * Returns NULL when there none.
10299 */
10300 static frame_T *
10301 ses_skipframe(fr)
10302 frame_T *fr;
10303 {
10304 frame_T *frc;
10305
10306 for (frc = fr; frc != NULL; frc = frc->fr_next)
10307 if (ses_do_frame(frc))
10308 break;
10309 return frc;
10310 }
10311
10312 /*
10313 * Return TRUE if frame "fr" has a window somewhere that we want to save in
10314 * the Session.
10315 */
10316 static int
10317 ses_do_frame(fr)
10318 frame_T *fr;
10319 {
10320 frame_T *frc;
10321
10322 if (fr->fr_layout == FR_LEAF)
10323 return ses_do_win(fr->fr_win);
10324 for (frc = fr->fr_child; frc != NULL; frc = frc->fr_next)
10325 if (ses_do_frame(frc))
10326 return TRUE;
10327 return FALSE;
10328 }
10329
10330 /*
10331 * Return non-zero if window "wp" is to be stored in the Session.
10332 */
10333 static int
10334 ses_do_win(wp)
10335 win_T *wp;
10336 {
10337 if (wp->w_buffer->b_fname == NULL
10338 #ifdef FEAT_QUICKFIX
10339 /* When 'buftype' is "nofile" can't restore the window contents. */
10340 || bt_nofile(wp->w_buffer)
10341 #endif
10342 )
10343 return (ssop_flags & SSOP_BLANK);
10344 if (wp->w_buffer->b_help)
10345 return (ssop_flags & SSOP_HELP);
10346 return TRUE;
10347 }
10348
10349 /*
10350 * Write commands to "fd" to restore the view of a window.
10351 * Caller must make sure 'scrolloff' is zero.
10352 */
10353 static int
10354 put_view(fd, wp, add_edit, flagp, current_arg_idx)
10355 FILE *fd;
10356 win_T *wp;
10357 int add_edit; /* add ":edit" command to view */
10358 unsigned *flagp; /* vop_flags or ssop_flags */
10359 int current_arg_idx; /* current argument index of the window, use
10360 * -1 if unknown */
10361 {
10362 win_T *save_curwin;
10363 int f;
10364 int do_cursor;
10365 int did_next = FALSE;
10366
10367 /* Always restore cursor position for ":mksession". For ":mkview" only
10368 * when 'viewoptions' contains "cursor". */
10369 do_cursor = (flagp == &ssop_flags || *flagp & SSOP_CURSOR);
10370
10371 /*
10372 * Local argument list.
10373 */
10374 if (wp->w_alist == &global_alist)
10375 {
10376 if (put_line(fd, "argglobal") == FAIL)
10377 return FAIL;
10378 }
10379 else
10380 {
10381 if (ses_arglist(fd, "arglocal", &wp->w_alist->al_ga,
10382 flagp == &vop_flags
10383 || !(*flagp & SSOP_CURDIR)
10384 || wp->w_localdir != NULL, flagp) == FAIL)
10385 return FAIL;
10386 }
10387
10388 /* Only when part of a session: restore the argument index. Some
10389 * arguments may have been deleted, check if the index is valid. */
10390 if (wp->w_arg_idx != current_arg_idx && wp->w_arg_idx <= WARGCOUNT(wp)
10391 && flagp == &ssop_flags)
10392 {
10393 if (fprintf(fd, "%ldargu", (long)wp->w_arg_idx + 1) < 0
10394 || put_eol(fd) == FAIL)
10395 return FAIL;
10396 did_next = TRUE;
10397 }
10398
10399 /* Edit the file. Skip this when ":next" already did it. */
10400 if (add_edit && (!did_next || wp->w_arg_idx_invalid))
10401 {
10402 /*
10403 * Load the file.
10404 */
10405 if (wp->w_buffer->b_ffname != NULL
10406 #ifdef FEAT_QUICKFIX
10407 && !bt_nofile(wp->w_buffer)
10408 #endif
10409 )
10410 {
10411 /*
10412 * Editing a file in this buffer: use ":edit file".
10413 * This may have side effects! (e.g., compressed or network file).
10414 */
10415 if (fputs("edit ", fd) < 0
10416 || ses_fname(fd, wp->w_buffer, flagp) == FAIL)
10417 return FAIL;
10418 }
10419 else
10420 {
10421 /* No file in this buffer, just make it empty. */
10422 if (put_line(fd, "enew") == FAIL)
10423 return FAIL;
10424 #ifdef FEAT_QUICKFIX
10425 if (wp->w_buffer->b_ffname != NULL)
10426 {
10427 /* The buffer does have a name, but it's not a file name. */
10428 if (fputs("file ", fd) < 0
10429 || ses_fname(fd, wp->w_buffer, flagp) == FAIL)
10430 return FAIL;
10431 }
10432 #endif
10433 do_cursor = FALSE;
10434 }
10435 }
10436
10437 /*
10438 * Local mappings and abbreviations.
10439 */
10440 if ((*flagp & (SSOP_OPTIONS | SSOP_LOCALOPTIONS))
10441 && makemap(fd, wp->w_buffer) == FAIL)
10442 return FAIL;
10443
10444 /*
10445 * Local options. Need to go to the window temporarily.
10446 * Store only local values when using ":mkview" and when ":mksession" is
10447 * used and 'sessionoptions' doesn't include "options".
10448 * Some folding options are always stored when "folds" is included,
10449 * otherwise the folds would not be restored correctly.
10450 */
10451 save_curwin = curwin;
10452 curwin = wp;
10453 curbuf = curwin->w_buffer;
10454 if (*flagp & (SSOP_OPTIONS | SSOP_LOCALOPTIONS))
10455 f = makeset(fd, OPT_LOCAL,
10456 flagp == &vop_flags || !(*flagp & SSOP_OPTIONS));
10457 #ifdef FEAT_FOLDING
10458 else if (*flagp & SSOP_FOLDS)
10459 f = makefoldset(fd);
10460 #endif
10461 else
10462 f = OK;
10463 curwin = save_curwin;
10464 curbuf = curwin->w_buffer;
10465 if (f == FAIL)
10466 return FAIL;
10467
10468 #ifdef FEAT_FOLDING
10469 /*
10470 * Save Folds when 'buftype' is empty and for help files.
10471 */
10472 if ((*flagp & SSOP_FOLDS)
10473 && wp->w_buffer->b_ffname != NULL
10474 # ifdef FEAT_QUICKFIX
10475 && (*wp->w_buffer->b_p_bt == NUL || wp->w_buffer->b_help)
10476 # endif
10477 )
10478 {
10479 if (put_folds(fd, wp) == FAIL)
10480 return FAIL;
10481 }
10482 #endif
10483
10484 /*
10485 * Set the cursor after creating folds, since that moves the cursor.
10486 */
10487 if (do_cursor)
10488 {
10489
10490 /* Restore the cursor line in the file and relatively in the
10491 * window. Don't use "G", it changes the jumplist. */
10492 if (fprintf(fd, "let s:l = %ld - ((%ld * winheight(0) + %ld) / %ld)",
10493 (long)wp->w_cursor.lnum,
10494 (long)(wp->w_cursor.lnum - wp->w_topline),
10495 (long)wp->w_height / 2, (long)wp->w_height) < 0
10496 || put_eol(fd) == FAIL
10497 || put_line(fd, "if s:l < 1 | let s:l = 1 | endif") == FAIL
10498 || put_line(fd, "exe s:l") == FAIL
10499 || put_line(fd, "normal! zt") == FAIL
10500 || fprintf(fd, "%ld", (long)wp->w_cursor.lnum) < 0
10501 || put_eol(fd) == FAIL)
10502 return FAIL;
10503 /* Restore the cursor column and left offset when not wrapping. */
10504 if (wp->w_cursor.col == 0)
10505 {
10506 if (put_line(fd, "normal! 0") == FAIL)
10507 return FAIL;
10508 }
10509 else
10510 {
10511 if (!wp->w_p_wrap && wp->w_leftcol > 0 && wp->w_width > 0)
10512 {
10513 if (fprintf(fd,
10514 "let s:c = %ld - ((%ld * winwidth(0) + %ld) / %ld)",
10515 (long)wp->w_cursor.col,
10516 (long)(wp->w_cursor.col - wp->w_leftcol),
10517 (long)wp->w_width / 2, (long)wp->w_width) < 0
10518 || put_eol(fd) == FAIL
10519 || put_line(fd, "if s:c > 0") == FAIL
10520 || fprintf(fd,
10521 " exe 'normal! 0' . s:c . 'lzs' . (%ld - s:c) . 'l'",
10522 (long)wp->w_cursor.col) < 0
10523 || put_eol(fd) == FAIL
10524 || put_line(fd, "else") == FAIL
10525 || fprintf(fd, " normal! 0%dl", wp->w_cursor.col) < 0
10526 || put_eol(fd) == FAIL
10527 || put_line(fd, "endif") == FAIL)
10528 return FAIL;
10529 }
10530 else
10531 {
10532 if (fprintf(fd, "normal! 0%dl", wp->w_cursor.col) < 0
10533 || put_eol(fd) == FAIL)
10534 return FAIL;
10535 }
10536 }
10537 }
10538
10539 /*
10540 * Local directory.
10541 */
10542 if (wp->w_localdir != NULL)
10543 {
10544 if (fputs("lcd ", fd) < 0
10545 || ses_put_fname(fd, wp->w_localdir, flagp) == FAIL
10546 || put_eol(fd) == FAIL)
10547 return FAIL;
10548 did_lcd = TRUE;
10549 }
10550
10551 return OK;
10552 }
10553
10554 /*
10555 * Write an argument list to the session file.
10556 * Returns FAIL if writing fails.
10557 */
10558 static int
10559 ses_arglist(fd, cmd, gap, fullname, flagp)
10560 FILE *fd;
10561 char *cmd;
10562 garray_T *gap;
10563 int fullname; /* TRUE: use full path name */
10564 unsigned *flagp;
10565 {
10566 int i;
10567 char_u buf[MAXPATHL];
10568 char_u *s;
10569
10570 if (gap->ga_len == 0)
10571 return put_line(fd, "silent! argdel *");
10572 if (fputs(cmd, fd) < 0)
10573 return FAIL;
10574 for (i = 0; i < gap->ga_len; ++i)
10575 {
10576 /* NULL file names are skipped (only happens when out of memory). */
10577 s = alist_name(&((aentry_T *)gap->ga_data)[i]);
10578 if (s != NULL)
10579 {
10580 if (fullname)
10581 {
10582 (void)vim_FullName(s, buf, MAXPATHL, FALSE);
10583 s = buf;
10584 }
10585 if (fputs(" ", fd) < 0 || ses_put_fname(fd, s, flagp) == FAIL)
10586 return FAIL;
10587 }
10588 }
10589 return put_eol(fd);
10590 }
10591
10592 /*
10593 * Write a buffer name to the session file.
10594 * Also ends the line.
10595 * Returns FAIL if writing fails.
10596 */
10597 static int
10598 ses_fname(fd, buf, flagp)
10599 FILE *fd;
10600 buf_T *buf;
10601 unsigned *flagp;
10602 {
10603 char_u *name;
10604
10605 /* Use the short file name if the current directory is known at the time
10606 * the session file will be sourced.
10607 * Don't do this for ":mkview", we don't know the current directory.
10608 * Don't do this after ":lcd", we don't keep track of what the current
10609 * directory is. */
10610 if (buf->b_sfname != NULL
10611 && flagp == &ssop_flags
10612 && (ssop_flags & (SSOP_CURDIR | SSOP_SESDIR))
10613 #ifdef FEAT_AUTOCHDIR
10614 && !p_acd
10615 #endif
10616 && !did_lcd)
10617 name = buf->b_sfname;
10618 else
10619 name = buf->b_ffname;
10620 if (ses_put_fname(fd, name, flagp) == FAIL || put_eol(fd) == FAIL)
10621 return FAIL;
10622 return OK;
10623 }
10624
10625 /*
10626 * Write a file name to the session file.
10627 * Takes care of the "slash" option in 'sessionoptions' and escapes special
10628 * characters.
10629 * Returns FAIL if writing fails.
10630 */
10631 static int
10632 ses_put_fname(fd, name, flagp)
10633 FILE *fd;
10634 char_u *name;
10635 unsigned *flagp;
10636 {
10637 char_u *sname;
10638 int retval = OK;
10639 int c;
10640
10641 sname = home_replace_save(NULL, name);
10642 if (sname != NULL)
10643 name = sname;
10644 while (*name != NUL)
10645 {
10646 #ifdef FEAT_MBYTE
10647 {
10648 int l;
10649
10650 if (has_mbyte && (l = (*mb_ptr2len)(name)) > 1)
10651 {
10652 /* copy a multibyte char */
10653 while (--l >= 0)
10654 {
10655 if (putc(*name, fd) != *name)
10656 retval = FAIL;
10657 ++name;
10658 }
10659 continue;
10660 }
10661 }
10662 #endif
10663 c = *name++;
10664 if (c == '\\' && (*flagp & SSOP_SLASH))
10665 /* change a backslash to a forward slash */
10666 c = '/';
10667 else if ((vim_strchr(escape_chars, c) != NULL
10668 #ifdef BACKSLASH_IN_FILENAME
10669 && c != '\\'
10670 #endif
10671 ) || c == '#' || c == '%')
10672 {
10673 /* escape a special character with a backslash */
10674 if (putc('\\', fd) != '\\')
10675 retval = FAIL;
10676 }
10677 if (putc(c, fd) != c)
10678 retval = FAIL;
10679 }
10680 vim_free(sname);
10681 return retval;
10682 }
10683
10684 /*
10685 * ":loadview [nr]"
10686 */
10687 static void
10688 ex_loadview(eap)
10689 exarg_T *eap;
10690 {
10691 char_u *fname;
10692
10693 fname = get_view_file(*eap->arg);
10694 if (fname != NULL)
10695 {
10696 do_source(fname, FALSE, DOSO_NONE);
10697 vim_free(fname);
10698 }
10699 }
10700
10701 /*
10702 * Get the name of the view file for the current buffer.
10703 */
10704 static char_u *
10705 get_view_file(c)
10706 int c;
10707 {
10708 int len = 0;
10709 char_u *p, *s;
10710 char_u *retval;
10711 char_u *sname;
10712
10713 if (curbuf->b_ffname == NULL)
10714 {
10715 EMSG(_(e_noname));
10716 return NULL;
10717 }
10718 sname = home_replace_save(NULL, curbuf->b_ffname);
10719 if (sname == NULL)
10720 return NULL;
10721
10722 /*
10723 * We want a file name without separators, because we're not going to make
10724 * a directory.
10725 * "normal" path separator -> "=+"
10726 * "=" -> "=="
10727 * ":" path separator -> "=-"
10728 */
10729 for (p = sname; *p; ++p)
10730 if (*p == '=' || vim_ispathsep(*p))
10731 ++len;
10732 retval = alloc((unsigned)(STRLEN(sname) + len + STRLEN(p_vdir) + 9));
10733 if (retval != NULL)
10734 {
10735 STRCPY(retval, p_vdir);
10736 add_pathsep(retval);
10737 s = retval + STRLEN(retval);
10738 for (p = sname; *p; ++p)
10739 {
10740 if (*p == '=')
10741 {
10742 *s++ = '=';
10743 *s++ = '=';
10744 }
10745 else if (vim_ispathsep(*p))
10746 {
10747 *s++ = '=';
10748 #if defined(BACKSLASH_IN_FILENAME) || defined(AMIGA) || defined(RISCOS) \
10749 || defined(VMS)
10750 if (*p == ':')
10751 *s++ = '-';
10752 else
10753 #endif
10754 *s++ = '+';
10755 }
10756 else
10757 *s++ = *p;
10758 }
10759 *s++ = '=';
10760 *s++ = c;
10761 STRCPY(s, ".vim");
10762 }
10763
10764 vim_free(sname);
10765 return retval;
10766 }
10767
10768 #endif /* FEAT_SESSION */
10769
10770 /*
10771 * Write end-of-line character(s) for ":mkexrc", ":mkvimrc" and ":mksession".
10772 * Return FAIL for a write error.
10773 */
10774 int
10775 put_eol(fd)
10776 FILE *fd;
10777 {
10778 if (
10779 #ifdef USE_CRNL
10780 (
10781 # ifdef MKSESSION_NL
10782 !mksession_nl &&
10783 # endif
10784 (putc('\r', fd) < 0)) ||
10785 #endif
10786 (putc('\n', fd) < 0))
10787 return FAIL;
10788 return OK;
10789 }
10790
10791 /*
10792 * Write a line to "fd".
10793 * Return FAIL for a write error.
10794 */
10795 int
10796 put_line(fd, s)
10797 FILE *fd;
10798 char *s;
10799 {
10800 if (fputs(s, fd) < 0 || put_eol(fd) == FAIL)
10801 return FAIL;
10802 return OK;
10803 }
10804
10805 #ifdef FEAT_VIMINFO
10806 /*
10807 * ":rviminfo" and ":wviminfo".
10808 */
10809 static void
10810 ex_viminfo(eap)
10811 exarg_T *eap;
10812 {
10813 char_u *save_viminfo;
10814
10815 save_viminfo = p_viminfo;
10816 if (*p_viminfo == NUL)
10817 p_viminfo = (char_u *)"'100";
10818 if (eap->cmdidx == CMD_rviminfo)
10819 {
10820 if (read_viminfo(eap->arg, VIF_WANT_INFO | VIF_WANT_MARKS
10821 | (eap->forceit ? VIF_FORCEIT : 0)) == FAIL)
10822 EMSG(_("E195: Cannot open viminfo file for reading"));
10823 }
10824 else
10825 write_viminfo(eap->arg, eap->forceit);
10826 p_viminfo = save_viminfo;
10827 }
10828 #endif
10829
10830 #if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG) || defined(PROTO)
10831 /*
10832 * Make a dialog message in "buff[IOSIZE]".
10833 * "format" must contain "%s".
10834 */
10835 void
10836 dialog_msg(buff, format, fname)
10837 char_u *buff;
10838 char *format;
10839 char_u *fname;
10840 {
10841 if (fname == NULL)
10842 fname = (char_u *)_("Untitled");
10843 vim_snprintf((char *)buff, IOSIZE, format, fname);
10844 }
10845 #endif
10846
10847 /*
10848 * ":behave {mswin,xterm}"
10849 */
10850 static void
10851 ex_behave(eap)
10852 exarg_T *eap;
10853 {
10854 if (STRCMP(eap->arg, "mswin") == 0)
10855 {
10856 set_option_value((char_u *)"selection", 0L, (char_u *)"exclusive", 0);
10857 set_option_value((char_u *)"selectmode", 0L, (char_u *)"mouse,key", 0);
10858 set_option_value((char_u *)"mousemodel", 0L, (char_u *)"popup", 0);
10859 set_option_value((char_u *)"keymodel", 0L,
10860 (char_u *)"startsel,stopsel", 0);
10861 }
10862 else if (STRCMP(eap->arg, "xterm") == 0)
10863 {
10864 set_option_value((char_u *)"selection", 0L, (char_u *)"inclusive", 0);
10865 set_option_value((char_u *)"selectmode", 0L, (char_u *)"", 0);
10866 set_option_value((char_u *)"mousemodel", 0L, (char_u *)"extend", 0);
10867 set_option_value((char_u *)"keymodel", 0L, (char_u *)"", 0);
10868 }
10869 else
10870 EMSG2(_(e_invarg2), eap->arg);
10871 }
10872
10873 #ifdef FEAT_AUTOCMD
10874 static int filetype_detect = FALSE;
10875 static int filetype_plugin = FALSE;
10876 static int filetype_indent = FALSE;
10877
10878 /*
10879 * ":filetype [plugin] [indent] {on,off,detect}"
10880 * on: Load the filetype.vim file to install autocommands for file types.
10881 * off: Load the ftoff.vim file to remove all autocommands for file types.
10882 * plugin on: load filetype.vim and ftplugin.vim
10883 * plugin off: load ftplugof.vim
10884 * indent on: load filetype.vim and indent.vim
10885 * indent off: load indoff.vim
10886 */
10887 static void
10888 ex_filetype(eap)
10889 exarg_T *eap;
10890 {
10891 char_u *arg = eap->arg;
10892 int plugin = FALSE;
10893 int indent = FALSE;
10894
10895 if (*eap->arg == NUL)
10896 {
10897 /* Print current status. */
10898 smsg((char_u *)"filetype detection:%s plugin:%s indent:%s",
10899 filetype_detect ? "ON" : "OFF",
10900 filetype_plugin ? (filetype_detect ? "ON" : "(on)") : "OFF",
10901 filetype_indent ? (filetype_detect ? "ON" : "(on)") : "OFF");
10902 return;
10903 }
10904
10905 /* Accept "plugin" and "indent" in any order. */
10906 for (;;)
10907 {
10908 if (STRNCMP(arg, "plugin", 6) == 0)
10909 {
10910 plugin = TRUE;
10911 arg = skipwhite(arg + 6);
10912 continue;
10913 }
10914 if (STRNCMP(arg, "indent", 6) == 0)
10915 {
10916 indent = TRUE;
10917 arg = skipwhite(arg + 6);
10918 continue;
10919 }
10920 break;
10921 }
10922 if (STRCMP(arg, "on") == 0 || STRCMP(arg, "detect") == 0)
10923 {
10924 if (*arg == 'o' || !filetype_detect)
10925 {
10926 source_runtime((char_u *)FILETYPE_FILE, TRUE);
10927 filetype_detect = TRUE;
10928 if (plugin)
10929 {
10930 source_runtime((char_u *)FTPLUGIN_FILE, TRUE);
10931 filetype_plugin = TRUE;
10932 }
10933 if (indent)
10934 {
10935 source_runtime((char_u *)INDENT_FILE, TRUE);
10936 filetype_indent = TRUE;
10937 }
10938 }
10939 if (*arg == 'd')
10940 {
10941 (void)do_doautocmd((char_u *)"filetypedetect BufRead", TRUE);
10942 do_modelines(0);
10943 }
10944 }
10945 else if (STRCMP(arg, "off") == 0)
10946 {
10947 if (plugin || indent)
10948 {
10949 if (plugin)
10950 {
10951 source_runtime((char_u *)FTPLUGOF_FILE, TRUE);
10952 filetype_plugin = FALSE;
10953 }
10954 if (indent)
10955 {
10956 source_runtime((char_u *)INDOFF_FILE, TRUE);
10957 filetype_indent = FALSE;
10958 }
10959 }
10960 else
10961 {
10962 source_runtime((char_u *)FTOFF_FILE, TRUE);
10963 filetype_detect = FALSE;
10964 }
10965 }
10966 else
10967 EMSG2(_(e_invarg2), arg);
10968 }
10969
10970 /*
10971 * ":setfiletype {name}"
10972 */
10973 static void
10974 ex_setfiletype(eap)
10975 exarg_T *eap;
10976 {
10977 if (!did_filetype)
10978 set_option_value((char_u *)"filetype", 0L, eap->arg, OPT_LOCAL);
10979 }
10980 #endif
10981
10982 static void
10983 ex_digraphs(eap)
10984 exarg_T *eap UNUSED;
10985 {
10986 #ifdef FEAT_DIGRAPHS
10987 if (*eap->arg != NUL)
10988 putdigraph(eap->arg);
10989 else
10990 listdigraphs();
10991 #else
10992 EMSG(_("E196: No digraphs in this version"));
10993 #endif
10994 }
10995
10996 static void
10997 ex_set(eap)
10998 exarg_T *eap;
10999 {
11000 int flags = 0;
11001
11002 if (eap->cmdidx == CMD_setlocal)
11003 flags = OPT_LOCAL;
11004 else if (eap->cmdidx == CMD_setglobal)
11005 flags = OPT_GLOBAL;
11006 #if defined(FEAT_EVAL) && defined(FEAT_AUTOCMD) && defined(FEAT_BROWSE)
11007 if (cmdmod.browse && flags == 0)
11008 ex_options(eap);
11009 else
11010 #endif
11011 (void)do_set(eap->arg, flags);
11012 }
11013
11014 #ifdef FEAT_SEARCH_EXTRA
11015 /*
11016 * ":nohlsearch"
11017 */
11018 static void
11019 ex_nohlsearch(eap)
11020 exarg_T *eap UNUSED;
11021 {
11022 no_hlsearch = TRUE;
11023 redraw_all_later(SOME_VALID);
11024 }
11025
11026 /*
11027 * ":[N]match {group} {pattern}"
11028 * Sets nextcmd to the start of the next command, if any. Also called when
11029 * skipping commands to find the next command.
11030 */
11031 static void
11032 ex_match(eap)
11033 exarg_T *eap;
11034 {
11035 char_u *p;
11036 char_u *g = NULL;
11037 char_u *end;
11038 int c;
11039 int id;
11040
11041 if (eap->line2 <= 3)
11042 id = eap->line2;
11043 else
11044 {
11045 EMSG(e_invcmd);
11046 return;
11047 }
11048
11049 /* First clear any old pattern. */
11050 if (!eap->skip)
11051 match_delete(curwin, id, FALSE);
11052
11053 if (ends_excmd(*eap->arg))
11054 end = eap->arg;
11055 else if ((STRNICMP(eap->arg, "none", 4) == 0
11056 && (vim_iswhite(eap->arg[4]) || ends_excmd(eap->arg[4]))))
11057 end = eap->arg + 4;
11058 else
11059 {
11060 p = skiptowhite(eap->arg);
11061 if (!eap->skip)
11062 g = vim_strnsave(eap->arg, (int)(p - eap->arg));
11063 p = skipwhite(p);
11064 if (*p == NUL)
11065 {
11066 /* There must be two arguments. */
11067 EMSG2(_(e_invarg2), eap->arg);
11068 return;
11069 }
11070 end = skip_regexp(p + 1, *p, TRUE, NULL);
11071 if (!eap->skip)
11072 {
11073 if (*end != NUL && !ends_excmd(*skipwhite(end + 1)))
11074 {
11075 eap->errmsg = e_trailing;
11076 return;
11077 }
11078 if (*end != *p)
11079 {
11080 EMSG2(_(e_invarg2), p);
11081 return;
11082 }
11083
11084 c = *end;
11085 *end = NUL;
11086 match_add(curwin, g, p + 1, 10, id);
11087 vim_free(g);
11088 *end = c;
11089 }
11090 }
11091 eap->nextcmd = find_nextcmd(end);
11092 }
11093 #endif
11094
11095 #ifdef FEAT_CRYPT
11096 /*
11097 * ":X": Get crypt key
11098 */
11099 static void
11100 ex_X(eap)
11101 exarg_T *eap UNUSED;
11102 {
11103 (void)get_crypt_key(TRUE, TRUE);
11104 }
11105 #endif
11106
11107 #ifdef FEAT_FOLDING
11108 static void
11109 ex_fold(eap)
11110 exarg_T *eap;
11111 {
11112 if (foldManualAllowed(TRUE))
11113 foldCreate(eap->line1, eap->line2);
11114 }
11115
11116 static void
11117 ex_foldopen(eap)
11118 exarg_T *eap;
11119 {
11120 opFoldRange(eap->line1, eap->line2, eap->cmdidx == CMD_foldopen,
11121 eap->forceit, FALSE);
11122 }
11123
11124 static void
11125 ex_folddo(eap)
11126 exarg_T *eap;
11127 {
11128 linenr_T lnum;
11129
11130 /* First set the marks for all lines closed/open. */
11131 for (lnum = eap->line1; lnum <= eap->line2; ++lnum)
11132 if (hasFolding(lnum, NULL, NULL) == (eap->cmdidx == CMD_folddoclosed))
11133 ml_setmarked(lnum);
11134
11135 /* Execute the command on the marked lines. */
11136 global_exe(eap->arg);
11137 ml_clearmarked(); /* clear rest of the marks */
11138 }
11139 #endif
Vim for the Mac