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Change name of window menu items
[MacVim.git] / src / ex_docmd.c
blob9ff3536d1218199022f97f85f6d948ae5854de24
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 = 0;
1688 int did_silent = 0;
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 ++did_silent;
1867 ++msg_silent;
1868 save_msg_scroll = msg_scroll;
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 'v': if (checkforcmd(&ea.cmd, "vertical", 4))
1897 {
1898 #ifdef FEAT_VERTSPLIT
1899 cmdmod.split |= WSP_VERT;
1900 #endif
1901 continue;
1902 }
1903 if (!checkforcmd(&p, "verbose", 4))
1904 break;
1905 if (verbose_save < 0)
1906 verbose_save = p_verbose;
1907 if (vim_isdigit(*ea.cmd))
1908 p_verbose = atoi((char *)ea.cmd);
1909 else
1910 p_verbose = 1;
1911 ea.cmd = p;
1912 continue;
1913 }
1914 break;
1915 }
1916
1917 #ifdef FEAT_EVAL
1918 ea.skip = did_emsg || got_int || did_throw || (cstack->cs_idx >= 0
1919 && !(cstack->cs_flags[cstack->cs_idx] & CSF_ACTIVE));
1920 #else
1921 ea.skip = (if_level > 0);
1922 #endif
1923
1924 #ifdef FEAT_EVAL
1925 # ifdef FEAT_PROFILE
1926 /* Count this line for profiling if ea.skip is FALSE. */
1927 if (do_profiling == PROF_YES && !ea.skip)
1928 {
1929 if (getline_equal(fgetline, cookie, get_func_line))
1930 func_line_exec(getline_cookie(fgetline, cookie));
1931 else if (getline_equal(fgetline, cookie, getsourceline))
1932 script_line_exec();
1933 }
1934 #endif
1935
1936 /* May go to debug mode. If this happens and the ">quit" debug command is
1937 * used, throw an interrupt exception and skip the next command. */
1938 dbg_check_breakpoint(&ea);
1939 if (!ea.skip && got_int)
1940 {
1941 ea.skip = TRUE;
1942 (void)do_intthrow(cstack);
1943 }
1944 #endif
1945
1946 /*
1947 * 3. parse a range specifier of the form: addr [,addr] [;addr] ..
1948 *
1949 * where 'addr' is:
1950 *
1951 * % (entire file)
1952 * $ [+-NUM]
1953 * 'x [+-NUM] (where x denotes a currently defined mark)
1954 * . [+-NUM]
1955 * [+-NUM]..
1956 * NUM
1957 *
1958 * The ea.cmd pointer is updated to point to the first character following the
1959 * range spec. If an initial address is found, but no second, the upper bound
1960 * is equal to the lower.
1961 */
1962
1963 /* repeat for all ',' or ';' separated addresses */
1964 for (;;)
1965 {
1966 ea.line1 = ea.line2;
1967 ea.line2 = curwin->w_cursor.lnum; /* default is current line number */
1968 ea.cmd = skipwhite(ea.cmd);
1969 lnum = get_address(&ea.cmd, ea.skip, ea.addr_count == 0);
1970 if (ea.cmd == NULL) /* error detected */
1971 goto doend;
1972 if (lnum == MAXLNUM)
1973 {
1974 if (*ea.cmd == '%') /* '%' - all lines */
1975 {
1976 ++ea.cmd;
1977 ea.line1 = 1;
1978 ea.line2 = curbuf->b_ml.ml_line_count;
1979 ++ea.addr_count;
1980 }
1981 /* '*' - visual area */
1982 else if (*ea.cmd == '*' && vim_strchr(p_cpo, CPO_STAR) == NULL)
1983 {
1984 pos_T *fp;
1985
1986 ++ea.cmd;
1987 if (!ea.skip)
1988 {
1989 fp = getmark('<', FALSE);
1990 if (check_mark(fp) == FAIL)
1991 goto doend;
1992 ea.line1 = fp->lnum;
1993 fp = getmark('>', FALSE);
1994 if (check_mark(fp) == FAIL)
1995 goto doend;
1996 ea.line2 = fp->lnum;
1997 ++ea.addr_count;
1998 }
1999 }
2000 }
2001 else
2002 ea.line2 = lnum;
2003 ea.addr_count++;
2004
2005 if (*ea.cmd == ';')
2006 {
2007 if (!ea.skip)
2008 curwin->w_cursor.lnum = ea.line2;
2009 }
2010 else if (*ea.cmd != ',')
2011 break;
2012 ++ea.cmd;
2013 }
2014
2015 /* One address given: set start and end lines */
2016 if (ea.addr_count == 1)
2017 {
2018 ea.line1 = ea.line2;
2019 /* ... but only implicit: really no address given */
2020 if (lnum == MAXLNUM)
2021 ea.addr_count = 0;
2022 }
2023
2024 /* Don't leave the cursor on an illegal line (caused by ';') */
2025 check_cursor_lnum();
2026
2027 /*
2028 * 4. parse command
2029 */
2030
2031 /*
2032 * Skip ':' and any white space
2033 */
2034 ea.cmd = skipwhite(ea.cmd);
2035 while (*ea.cmd == ':')
2036 ea.cmd = skipwhite(ea.cmd + 1);
2037
2038 /*
2039 * If we got a line, but no command, then go to the line.
2040 * If we find a '|' or '\n' we set ea.nextcmd.
2041 */
2042 if (*ea.cmd == NUL || *ea.cmd == '"' ||
2043 (ea.nextcmd = check_nextcmd(ea.cmd)) != NULL)
2044 {
2045 /*
2046 * strange vi behaviour:
2047 * ":3" jumps to line 3
2048 * ":3|..." prints line 3
2049 * ":|" prints current line
2050 */
2051 if (ea.skip) /* skip this if inside :if */
2052 goto doend;
2053 if (*ea.cmd == '|' || (exmode_active && ea.line1 != ea.line2))
2054 {
2055 ea.cmdidx = CMD_print;
2056 ea.argt = RANGE+COUNT+TRLBAR;
2057 if ((errormsg = invalid_range(&ea)) == NULL)
2058 {
2059 correct_range(&ea);
2060 ex_print(&ea);
2061 }
2062 }
2063 else if (ea.addr_count != 0)
2064 {
2065 if (ea.line2 > curbuf->b_ml.ml_line_count)
2066 {
2067 /* With '-' in 'cpoptions' a line number past the file is an
2068 * error, otherwise put it at the end of the file. */
2069 if (vim_strchr(p_cpo, CPO_MINUS) != NULL)
2070 ea.line2 = -1;
2071 else
2072 ea.line2 = curbuf->b_ml.ml_line_count;
2073 }
2074
2075 if (ea.line2 < 0)
2076 errormsg = (char_u *)_(e_invrange);
2077 else
2078 {
2079 if (ea.line2 == 0)
2080 curwin->w_cursor.lnum = 1;
2081 else
2082 curwin->w_cursor.lnum = ea.line2;
2083 beginline(BL_SOL | BL_FIX);
2084 }
2085 }
2086 goto doend;
2087 }
2088
2089 /* Find the command and let "p" point to after it. */
2090 p = find_command(&ea, NULL);
2091
2092 #ifdef FEAT_USR_CMDS
2093 if (p == NULL)
2094 {
2095 if (!ea.skip)
2096 errormsg = (char_u *)_("E464: Ambiguous use of user-defined command");
2097 goto doend;
2098 }
2099 /* Check for wrong commands. */
2100 if (*p == '!' && ea.cmd[1] == 0151 && ea.cmd[0] == 78)
2101 {
2102 errormsg = uc_fun_cmd();
2103 goto doend;
2104 }
2105 #endif
2106 if (ea.cmdidx == CMD_SIZE)
2107 {
2108 if (!ea.skip)
2109 {
2110 STRCPY(IObuff, _("E492: Not an editor command"));
2111 if (!sourcing)
2112 {
2113 STRCAT(IObuff, ": ");
2114 STRNCAT(IObuff, *cmdlinep, 40);
2115 }
2116 errormsg = IObuff;
2117 }
2118 goto doend;
2119 }
2120
2121 ni = (
2122 #ifdef FEAT_USR_CMDS
2123 !USER_CMDIDX(ea.cmdidx) &&
2124 #endif
2125 (cmdnames[ea.cmdidx].cmd_func == ex_ni
2126 #ifdef HAVE_EX_SCRIPT_NI
2127 || cmdnames[ea.cmdidx].cmd_func == ex_script_ni
2128 #endif
2129 ));
2130
2131 #ifndef FEAT_EVAL
2132 /*
2133 * When the expression evaluation is disabled, recognize the ":if" and
2134 * ":endif" commands and ignore everything in between it.
2135 */
2136 if (ea.cmdidx == CMD_if)
2137 ++if_level;
2138 if (if_level)
2139 {
2140 if (ea.cmdidx == CMD_endif)
2141 --if_level;
2142 goto doend;
2143 }
2144
2145 #endif
2146
2147 /* forced commands */
2148 if (*p == '!' && ea.cmdidx != CMD_substitute
2149 && ea.cmdidx != CMD_smagic && ea.cmdidx != CMD_snomagic)
2150 {
2151 ++p;
2152 ea.forceit = TRUE;
2153 }
2154 else
2155 ea.forceit = FALSE;
2156
2157 /*
2158 * 5. parse arguments
2159 */
2160 #ifdef FEAT_USR_CMDS
2161 if (!USER_CMDIDX(ea.cmdidx))
2162 #endif
2163 ea.argt = (long)cmdnames[(int)ea.cmdidx].cmd_argt;
2164
2165 if (!ea.skip)
2166 {
2167 #ifdef HAVE_SANDBOX
2168 if (sandbox != 0 && !(ea.argt & SBOXOK))
2169 {
2170 /* Command not allowed in sandbox. */
2171 errormsg = (char_u *)_(e_sandbox);
2172 goto doend;
2173 }
2174 #endif
2175 if (!curbuf->b_p_ma && (ea.argt & MODIFY))
2176 {
2177 /* Command not allowed in non-'modifiable' buffer */
2178 errormsg = (char_u *)_(e_modifiable);
2179 goto doend;
2180 }
2181
2182 if (text_locked() && !(ea.argt & CMDWIN)
2183 # ifdef FEAT_USR_CMDS
2184 && !USER_CMDIDX(ea.cmdidx)
2185 # endif
2186 )
2187 {
2188 /* Command not allowed when editing the command line. */
2189 #ifdef FEAT_CMDWIN
2190 if (cmdwin_type != 0)
2191 errormsg = (char_u *)_(e_cmdwin);
2192 else
2193 #endif
2194 errormsg = (char_u *)_(e_secure);
2195 goto doend;
2196 }
2197 #ifdef FEAT_AUTOCMD
2198 /* Disallow editing another buffer when "curbuf_lock" is set.
2199 * Do allow ":edit" (check for argument later).
2200 * Do allow ":checktime" (it's postponed). */
2201 if (!(ea.argt & CMDWIN)
2202 && ea.cmdidx != CMD_edit
2203 && ea.cmdidx != CMD_checktime
2204 # ifdef FEAT_USR_CMDS
2205 && !USER_CMDIDX(ea.cmdidx)
2206 # endif
2207 && curbuf_locked())
2208 goto doend;
2209 #endif
2210
2211 if (!ni && !(ea.argt & RANGE) && ea.addr_count > 0)
2212 {
2213 /* no range allowed */
2214 errormsg = (char_u *)_(e_norange);
2215 goto doend;
2216 }
2217 }
2218
2219 if (!ni && !(ea.argt & BANG) && ea.forceit) /* no <!> allowed */
2220 {
2221 errormsg = (char_u *)_(e_nobang);
2222 goto doend;
2223 }
2224
2225 /*
2226 * Don't complain about the range if it is not used
2227 * (could happen if line_count is accidentally set to 0).
2228 */
2229 if (!ea.skip && !ni)
2230 {
2231 /*
2232 * If the range is backwards, ask for confirmation and, if given, swap
2233 * ea.line1 & ea.line2 so it's forwards again.
2234 * When global command is busy, don't ask, will fail below.
2235 */
2236 if (!global_busy && ea.line1 > ea.line2)
2237 {
2238 if (msg_silent == 0)
2239 {
2240 if (sourcing || exmode_active)
2241 {
2242 errormsg = (char_u *)_("E493: Backwards range given");
2243 goto doend;
2244 }
2245 if (ask_yesno((char_u *)
2246 _("Backwards range given, OK to swap"), FALSE) != 'y')
2247 goto doend;
2248 }
2249 lnum = ea.line1;
2250 ea.line1 = ea.line2;
2251 ea.line2 = lnum;
2252 }
2253 if ((errormsg = invalid_range(&ea)) != NULL)
2254 goto doend;
2255 }
2256
2257 if ((ea.argt & NOTADR) && ea.addr_count == 0) /* default is 1, not cursor */
2258 ea.line2 = 1;
2259
2260 correct_range(&ea);
2261
2262 #ifdef FEAT_FOLDING
2263 if (((ea.argt & WHOLEFOLD) || ea.addr_count >= 2) && !global_busy)
2264 {
2265 /* Put the first line at the start of a closed fold, put the last line
2266 * at the end of a closed fold. */
2267 (void)hasFolding(ea.line1, &ea.line1, NULL);
2268 (void)hasFolding(ea.line2, NULL, &ea.line2);
2269 }
2270 #endif
2271
2272 #ifdef FEAT_QUICKFIX
2273 /*
2274 * For the ":make" and ":grep" commands we insert the 'makeprg'/'grepprg'
2275 * option here, so things like % get expanded.
2276 */
2277 p = replace_makeprg(&ea, p, cmdlinep);
2278 if (p == NULL)
2279 goto doend;
2280 #endif
2281
2282 /*
2283 * Skip to start of argument.
2284 * Don't do this for the ":!" command, because ":!! -l" needs the space.
2285 */
2286 if (ea.cmdidx == CMD_bang)
2287 ea.arg = p;
2288 else
2289 ea.arg = skipwhite(p);
2290
2291 /*
2292 * Check for "++opt=val" argument.
2293 * Must be first, allow ":w ++enc=utf8 !cmd"
2294 */
2295 if (ea.argt & ARGOPT)
2296 while (ea.arg[0] == '+' && ea.arg[1] == '+')
2297 if (getargopt(&ea) == FAIL && !ni)
2298 {
2299 errormsg = (char_u *)_(e_invarg);
2300 goto doend;
2301 }
2302
2303 if (ea.cmdidx == CMD_write || ea.cmdidx == CMD_update)
2304 {
2305 if (*ea.arg == '>') /* append */
2306 {
2307 if (*++ea.arg != '>') /* typed wrong */
2308 {
2309 errormsg = (char_u *)_("E494: Use w or w>>");
2310 goto doend;
2311 }
2312 ea.arg = skipwhite(ea.arg + 1);
2313 ea.append = TRUE;
2314 }
2315 else if (*ea.arg == '!' && ea.cmdidx == CMD_write) /* :w !filter */
2316 {
2317 ++ea.arg;
2318 ea.usefilter = TRUE;
2319 }
2320 }
2321
2322 if (ea.cmdidx == CMD_read)
2323 {
2324 if (ea.forceit)
2325 {
2326 ea.usefilter = TRUE; /* :r! filter if ea.forceit */
2327 ea.forceit = FALSE;
2328 }
2329 else if (*ea.arg == '!') /* :r !filter */
2330 {
2331 ++ea.arg;
2332 ea.usefilter = TRUE;
2333 }
2334 }
2335
2336 if (ea.cmdidx == CMD_lshift || ea.cmdidx == CMD_rshift)
2337 {
2338 ea.amount = 1;
2339 while (*ea.arg == *ea.cmd) /* count number of '>' or '<' */
2340 {
2341 ++ea.arg;
2342 ++ea.amount;
2343 }
2344 ea.arg = skipwhite(ea.arg);
2345 }
2346
2347 /*
2348 * Check for "+command" argument, before checking for next command.
2349 * Don't do this for ":read !cmd" and ":write !cmd".
2350 */
2351 if ((ea.argt & EDITCMD) && !ea.usefilter)
2352 ea.do_ecmd_cmd = getargcmd(&ea.arg);
2353
2354 /*
2355 * Check for '|' to separate commands and '"' to start comments.
2356 * Don't do this for ":read !cmd" and ":write !cmd".
2357 */
2358 if ((ea.argt & TRLBAR) && !ea.usefilter)
2359 separate_nextcmd(&ea);
2360
2361 /*
2362 * Check for <newline> to end a shell command.
2363 * Also do this for ":read !cmd", ":write !cmd" and ":global".
2364 * Any others?
2365 */
2366 else if (ea.cmdidx == CMD_bang
2367 || ea.cmdidx == CMD_global
2368 || ea.cmdidx == CMD_vglobal
2369 || ea.usefilter)
2370 {
2371 for (p = ea.arg; *p; ++p)
2372 {
2373 /* Remove one backslash before a newline, so that it's possible to
2374 * pass a newline to the shell and also a newline that is preceded
2375 * with a backslash. This makes it impossible to end a shell
2376 * command in a backslash, but that doesn't appear useful.
2377 * Halving the number of backslashes is incompatible with previous
2378 * versions. */
2379 if (*p == '\\' && p[1] == '\n')
2380 STRMOVE(p, p + 1);
2381 else if (*p == '\n')
2382 {
2383 ea.nextcmd = p + 1;
2384 *p = NUL;
2385 break;
2386 }
2387 }
2388 }
2389
2390 if ((ea.argt & DFLALL) && ea.addr_count == 0)
2391 {
2392 ea.line1 = 1;
2393 ea.line2 = curbuf->b_ml.ml_line_count;
2394 }
2395
2396 /* accept numbered register only when no count allowed (:put) */
2397 if ( (ea.argt & REGSTR)
2398 && *ea.arg != NUL
2399 #ifdef FEAT_USR_CMDS
2400 && valid_yank_reg(*ea.arg, (ea.cmdidx != CMD_put
2401 && USER_CMDIDX(ea.cmdidx)))
2402 /* Do not allow register = for user commands */
2403 && (!USER_CMDIDX(ea.cmdidx) || *ea.arg != '=')
2404 #else
2405 && valid_yank_reg(*ea.arg, ea.cmdidx != CMD_put)
2406 #endif
2407 && !((ea.argt & COUNT) && VIM_ISDIGIT(*ea.arg)))
2408 {
2409 ea.regname = *ea.arg++;
2410 #ifdef FEAT_EVAL
2411 /* for '=' register: accept the rest of the line as an expression */
2412 if (ea.arg[-1] == '=' && ea.arg[0] != NUL)
2413 {
2414 set_expr_line(vim_strsave(ea.arg));
2415 ea.arg += STRLEN(ea.arg);
2416 }
2417 #endif
2418 ea.arg = skipwhite(ea.arg);
2419 }
2420
2421 /*
2422 * Check for a count. When accepting a BUFNAME, don't use "123foo" as a
2423 * count, it's a buffer name.
2424 */
2425 if ((ea.argt & COUNT) && VIM_ISDIGIT(*ea.arg)
2426 && (!(ea.argt & BUFNAME) || *(p = skipdigits(ea.arg)) == NUL
2427 || vim_iswhite(*p)))
2428 {
2429 n = getdigits(&ea.arg);
2430 ea.arg = skipwhite(ea.arg);
2431 if (n <= 0 && !ni && (ea.argt & ZEROR) == 0)
2432 {
2433 errormsg = (char_u *)_(e_zerocount);
2434 goto doend;
2435 }
2436 if (ea.argt & NOTADR) /* e.g. :buffer 2, :sleep 3 */
2437 {
2438 ea.line2 = n;
2439 if (ea.addr_count == 0)
2440 ea.addr_count = 1;
2441 }
2442 else
2443 {
2444 ea.line1 = ea.line2;
2445 ea.line2 += n - 1;
2446 ++ea.addr_count;
2447 /*
2448 * Be vi compatible: no error message for out of range.
2449 */
2450 if (ea.line2 > curbuf->b_ml.ml_line_count)
2451 ea.line2 = curbuf->b_ml.ml_line_count;
2452 }
2453 }
2454
2455 /*
2456 * Check for flags: 'l', 'p' and '#'.
2457 */
2458 if (ea.argt & EXFLAGS)
2459 get_flags(&ea);
2460 /* no arguments allowed */
2461 if (!ni && !(ea.argt & EXTRA) && *ea.arg != NUL
2462 && *ea.arg != '"' && (*ea.arg != '|' || (ea.argt & TRLBAR) == 0))
2463 {
2464 errormsg = (char_u *)_(e_trailing);
2465 goto doend;
2466 }
2467
2468 if (!ni && (ea.argt & NEEDARG) && *ea.arg == NUL)
2469 {
2470 errormsg = (char_u *)_(e_argreq);
2471 goto doend;
2472 }
2473
2474 #ifdef FEAT_EVAL
2475 /*
2476 * Skip the command when it's not going to be executed.
2477 * The commands like :if, :endif, etc. always need to be executed.
2478 * Also make an exception for commands that handle a trailing command
2479 * themselves.
2480 */
2481 if (ea.skip)
2482 {
2483 switch (ea.cmdidx)
2484 {
2485 /* commands that need evaluation */
2486 case CMD_while:
2487 case CMD_endwhile:
2488 case CMD_for:
2489 case CMD_endfor:
2490 case CMD_if:
2491 case CMD_elseif:
2492 case CMD_else:
2493 case CMD_endif:
2494 case CMD_try:
2495 case CMD_catch:
2496 case CMD_finally:
2497 case CMD_endtry:
2498 case CMD_function:
2499 break;
2500
2501 /* Commands that handle '|' themselves. Check: A command should
2502 * either have the TRLBAR flag, appear in this list or appear in
2503 * the list at ":help :bar". */
2504 case CMD_aboveleft:
2505 case CMD_and:
2506 case CMD_belowright:
2507 case CMD_botright:
2508 case CMD_browse:
2509 case CMD_call:
2510 case CMD_confirm:
2511 case CMD_delfunction:
2512 case CMD_djump:
2513 case CMD_dlist:
2514 case CMD_dsearch:
2515 case CMD_dsplit:
2516 case CMD_echo:
2517 case CMD_echoerr:
2518 case CMD_echomsg:
2519 case CMD_echon:
2520 case CMD_execute:
2521 case CMD_help:
2522 case CMD_hide:
2523 case CMD_ijump:
2524 case CMD_ilist:
2525 case CMD_isearch:
2526 case CMD_isplit:
2527 case CMD_keepalt:
2528 case CMD_keepjumps:
2529 case CMD_keepmarks:
2530 case CMD_leftabove:
2531 case CMD_let:
2532 case CMD_lockmarks:
2533 case CMD_match:
2534 case CMD_mzscheme:
2535 case CMD_perl:
2536 case CMD_psearch:
2537 case CMD_python:
2538 case CMD_return:
2539 case CMD_rightbelow:
2540 case CMD_ruby:
2541 case CMD_silent:
2542 case CMD_smagic:
2543 case CMD_snomagic:
2544 case CMD_substitute:
2545 case CMD_syntax:
2546 case CMD_tab:
2547 case CMD_tcl:
2548 case CMD_throw:
2549 case CMD_tilde:
2550 case CMD_topleft:
2551 case CMD_unlet:
2552 case CMD_verbose:
2553 case CMD_vertical:
2554 break;
2555
2556 default: goto doend;
2557 }
2558 }
2559 #endif
2560
2561 if (ea.argt & XFILE)
2562 {
2563 if (expand_filename(&ea, cmdlinep, &errormsg) == FAIL)
2564 goto doend;
2565 }
2566
2567 #ifdef FEAT_LISTCMDS
2568 /*
2569 * Accept buffer name. Cannot be used at the same time with a buffer
2570 * number. Don't do this for a user command.
2571 */
2572 if ((ea.argt & BUFNAME) && *ea.arg != NUL && ea.addr_count == 0
2573 # ifdef FEAT_USR_CMDS
2574 && !USER_CMDIDX(ea.cmdidx)
2575 # endif
2576 )
2577 {
2578 /*
2579 * :bdelete, :bwipeout and :bunload take several arguments, separated
2580 * by spaces: find next space (skipping over escaped characters).
2581 * The others take one argument: ignore trailing spaces.
2582 */
2583 if (ea.cmdidx == CMD_bdelete || ea.cmdidx == CMD_bwipeout
2584 || ea.cmdidx == CMD_bunload)
2585 p = skiptowhite_esc(ea.arg);
2586 else
2587 {
2588 p = ea.arg + STRLEN(ea.arg);
2589 while (p > ea.arg && vim_iswhite(p[-1]))
2590 --p;
2591 }
2592 ea.line2 = buflist_findpat(ea.arg, p, (ea.argt & BUFUNL) != 0, FALSE);
2593 if (ea.line2 < 0) /* failed */
2594 goto doend;
2595 ea.addr_count = 1;
2596 ea.arg = skipwhite(p);
2597 }
2598 #endif
2599
2600 /*
2601 * 6. switch on command name
2602 *
2603 * The "ea" structure holds the arguments that can be used.
2604 */
2605 ea.cmdlinep = cmdlinep;
2606 ea.getline = fgetline;
2607 ea.cookie = cookie;
2608 #ifdef FEAT_EVAL
2609 ea.cstack = cstack;
2610 #endif
2611
2612 #ifdef FEAT_USR_CMDS
2613 if (USER_CMDIDX(ea.cmdidx))
2614 {
2615 /*
2616 * Execute a user-defined command.
2617 */
2618 do_ucmd(&ea);
2619 }
2620 else
2621 #endif
2622 {
2623 /*
2624 * Call the function to execute the command.
2625 */
2626 ea.errmsg = NULL;
2627 (cmdnames[ea.cmdidx].cmd_func)(&ea);
2628 if (ea.errmsg != NULL)
2629 errormsg = (char_u *)_(ea.errmsg);
2630 }
2631
2632 #ifdef FEAT_EVAL
2633 /*
2634 * If the command just executed called do_cmdline(), any throw or ":return"
2635 * or ":finish" encountered there must also check the cstack of the still
2636 * active do_cmdline() that called this do_one_cmd(). Rethrow an uncaught
2637 * exception, or reanimate a returned function or finished script file and
2638 * return or finish it again.
2639 */
2640 if (need_rethrow)
2641 do_throw(cstack);
2642 else if (check_cstack)
2643 {
2644 if (source_finished(fgetline, cookie))
2645 do_finish(&ea, TRUE);
2646 else if (getline_equal(fgetline, cookie, get_func_line)
2647 && current_func_returned())
2648 do_return(&ea, TRUE, FALSE, NULL);
2649 }
2650 need_rethrow = check_cstack = FALSE;
2651 #endif
2652
2653 doend:
2654 if (curwin->w_cursor.lnum == 0) /* can happen with zero line number */
2655 curwin->w_cursor.lnum = 1;
2656
2657 if (errormsg != NULL && *errormsg != NUL && !did_emsg)
2658 {
2659 if (sourcing)
2660 {
2661 if (errormsg != IObuff)
2662 {
2663 STRCPY(IObuff, errormsg);
2664 errormsg = IObuff;
2665 }
2666 STRCAT(errormsg, ": ");
2667 STRNCAT(errormsg, *cmdlinep, IOSIZE - STRLEN(IObuff) - 1);
2668 }
2669 emsg(errormsg);
2670 }
2671 #ifdef FEAT_EVAL
2672 do_errthrow(cstack,
2673 (ea.cmdidx != CMD_SIZE
2674 # ifdef FEAT_USR_CMDS
2675 && !USER_CMDIDX(ea.cmdidx)
2676 # endif
2677 ) ? cmdnames[(int)ea.cmdidx].cmd_name : (char_u *)NULL);
2678 #endif
2679
2680 if (verbose_save >= 0)
2681 p_verbose = verbose_save;
2682 #ifdef FEAT_AUTOCMD
2683 if (cmdmod.save_ei != NULL)
2684 {
2685 /* Restore 'eventignore' to the value before ":noautocmd". */
2686 set_string_option_direct((char_u *)"ei", -1, cmdmod.save_ei,
2687 OPT_FREE, SID_NONE);
2688 free_string_option(cmdmod.save_ei);
2689 }
2690 #endif
2691
2692 cmdmod = save_cmdmod;
2693
2694 if (did_silent > 0)
2695 {
2696 /* messages could be enabled for a serious error, need to check if the
2697 * counters don't become negative */
2698 msg_silent -= did_silent;
2699 if (msg_silent < 0)
2700 msg_silent = 0;
2701 emsg_silent -= did_esilent;
2702 if (emsg_silent < 0)
2703 emsg_silent = 0;
2704 /* Restore msg_scroll, it's set by file I/O commands, even when no
2705 * message is actually displayed. */
2706 msg_scroll = save_msg_scroll;
2707
2708 /* "silent reg" or "silent echo x" inside "redir" leaves msg_col
2709 * somewhere in the line. Put it back in the first column. */
2710 if (redirecting())
2711 msg_col = 0;
2712 }
2713
2714 #ifdef HAVE_SANDBOX
2715 if (did_sandbox)
2716 --sandbox;
2717 #endif
2718
2719 if (ea.nextcmd && *ea.nextcmd == NUL) /* not really a next command */
2720 ea.nextcmd = NULL;
2721
2722 #ifdef FEAT_EVAL
2723 --ex_nesting_level;
2724 #endif
2725
2726 return ea.nextcmd;
2727 }
2728 #if (_MSC_VER == 1200)
2729 #pragma optimize( "", on )
2730 #endif
2731
2732 /*
2733 * Check for an Ex command with optional tail.
2734 * If there is a match advance "pp" to the argument and return TRUE.
2735 */
2736 int
2737 checkforcmd(pp, cmd, len)
2738 char_u **pp; /* start of command */
2739 char *cmd; /* name of command */
2740 int len; /* required length */
2741 {
2742 int i;
2743
2744 for (i = 0; cmd[i] != NUL; ++i)
2745 if (((char_u *)cmd)[i] != (*pp)[i])
2746 break;
2747 if (i >= len && !isalpha((*pp)[i]))
2748 {
2749 *pp = skipwhite(*pp + i);
2750 return TRUE;
2751 }
2752 return FALSE;
2753 }
2754
2755 /*
2756 * Find an Ex command by its name, either built-in or user.
2757 * Start of the name can be found at eap->cmd.
2758 * Returns pointer to char after the command name.
2759 * "full" is set to TRUE if the whole command name matched.
2760 * Returns NULL for an ambiguous user command.
2761 */
2762 static char_u *
2763 find_command(eap, full)
2764 exarg_T *eap;
2765 int *full UNUSED;
2766 {
2767 int len;
2768 char_u *p;
2769 int i;
2770
2771 /*
2772 * Isolate the command and search for it in the command table.
2773 * Exceptions:
2774 * - the 'k' command can directly be followed by any character.
2775 * - the 's' command can be followed directly by 'c', 'g', 'i', 'I' or 'r'
2776 * but :sre[wind] is another command, as are :scrip[tnames],
2777 * :scs[cope], :sim[alt], :sig[ns] and :sil[ent].
2778 * - the "d" command can directly be followed by 'l' or 'p' flag.
2779 */
2780 p = eap->cmd;
2781 if (*p == 'k')
2782 {
2783 eap->cmdidx = CMD_k;
2784 ++p;
2785 }
2786 else if (p[0] == 's'
2787 && ((p[1] == 'c' && p[2] != 's' && p[2] != 'r'
2788 && p[3] != 'i' && p[4] != 'p')
2789 || p[1] == 'g'
2790 || (p[1] == 'i' && p[2] != 'm' && p[2] != 'l' && p[2] != 'g')
2791 || p[1] == 'I'
2792 || (p[1] == 'r' && p[2] != 'e')))
2793 {
2794 eap->cmdidx = CMD_substitute;
2795 ++p;
2796 }
2797 else
2798 {
2799 while (ASCII_ISALPHA(*p))
2800 ++p;
2801 /* check for non-alpha command */
2802 if (p == eap->cmd && vim_strchr((char_u *)"@*!=><&~#", *p) != NULL)
2803 ++p;
2804 len = (int)(p - eap->cmd);
2805 if (*eap->cmd == 'd' && (p[-1] == 'l' || p[-1] == 'p'))
2806 {
2807 /* Check for ":dl", ":dell", etc. to ":deletel": that's
2808 * :delete with the 'l' flag. Same for 'p'. */
2809 for (i = 0; i < len; ++i)
2810 if (eap->cmd[i] != ((char_u *)"delete")[i])
2811 break;
2812 if (i == len - 1)
2813 {
2814 --len;
2815 if (p[-1] == 'l')
2816 eap->flags |= EXFLAG_LIST;
2817 else
2818 eap->flags |= EXFLAG_PRINT;
2819 }
2820 }
2821
2822 if (ASCII_ISLOWER(*eap->cmd))
2823 eap->cmdidx = cmdidxs[CharOrdLow(*eap->cmd)];
2824 else
2825 eap->cmdidx = cmdidxs[26];
2826
2827 for ( ; (int)eap->cmdidx < (int)CMD_SIZE;
2828 eap->cmdidx = (cmdidx_T)((int)eap->cmdidx + 1))
2829 if (STRNCMP(cmdnames[(int)eap->cmdidx].cmd_name, (char *)eap->cmd,
2830 (size_t)len) == 0)
2831 {
2832 #ifdef FEAT_EVAL
2833 if (full != NULL
2834 && cmdnames[(int)eap->cmdidx].cmd_name[len] == NUL)
2835 *full = TRUE;
2836 #endif
2837 break;
2838 }
2839
2840 #ifdef FEAT_USR_CMDS
2841 /* Look for a user defined command as a last resort */
2842 if (eap->cmdidx == CMD_SIZE && *eap->cmd >= 'A' && *eap->cmd <= 'Z')
2843 {
2844 /* User defined commands may contain digits. */
2845 while (ASCII_ISALNUM(*p))
2846 ++p;
2847 p = find_ucmd(eap, p, full, NULL, NULL);
2848 }
2849 #endif
2850 if (p == eap->cmd)
2851 eap->cmdidx = CMD_SIZE;
2852 }
2853
2854 return p;
2855 }
2856
2857 #ifdef FEAT_USR_CMDS
2858 /*
2859 * Search for a user command that matches "eap->cmd".
2860 * Return cmdidx in "eap->cmdidx", flags in "eap->argt", idx in "eap->useridx".
2861 * Return a pointer to just after the command.
2862 * Return NULL if there is no matching command.
2863 */
2864 static char_u *
2865 find_ucmd(eap, p, full, xp, compl)
2866 exarg_T *eap;
2867 char_u *p; /* end of the command (possibly including count) */
2868 int *full; /* set to TRUE for a full match */
2869 expand_T *xp; /* used for completion, NULL otherwise */
2870 int *compl; /* completion flags or NULL */
2871 {
2872 int len = (int)(p - eap->cmd);
2873 int j, k, matchlen = 0;
2874 ucmd_T *uc;
2875 int found = FALSE;
2876 int possible = FALSE;
2877 char_u *cp, *np; /* Point into typed cmd and test name */
2878 garray_T *gap;
2879 int amb_local = FALSE; /* Found ambiguous buffer-local command,
2880 only full match global is accepted. */
2881
2882 /*
2883 * Look for buffer-local user commands first, then global ones.
2884 */
2885 gap = &curbuf->b_ucmds;
2886 for (;;)
2887 {
2888 for (j = 0; j < gap->ga_len; ++j)
2889 {
2890 uc = USER_CMD_GA(gap, j);
2891 cp = eap->cmd;
2892 np = uc->uc_name;
2893 k = 0;
2894 while (k < len && *np != NUL && *cp++ == *np++)
2895 k++;
2896 if (k == len || (*np == NUL && vim_isdigit(eap->cmd[k])))
2897 {
2898 /* If finding a second match, the command is ambiguous. But
2899 * not if a buffer-local command wasn't a full match and a
2900 * global command is a full match. */
2901 if (k == len && found && *np != NUL)
2902 {
2903 if (gap == &ucmds)
2904 return NULL;
2905 amb_local = TRUE;
2906 }
2907
2908 if (!found || (k == len && *np == NUL))
2909 {
2910 /* If we matched up to a digit, then there could
2911 * be another command including the digit that we
2912 * should use instead.
2913 */
2914 if (k == len)
2915 found = TRUE;
2916 else
2917 possible = TRUE;
2918
2919 if (gap == &ucmds)
2920 eap->cmdidx = CMD_USER;
2921 else
2922 eap->cmdidx = CMD_USER_BUF;
2923 eap->argt = (long)uc->uc_argt;
2924 eap->useridx = j;
2925
2926 # ifdef FEAT_CMDL_COMPL
2927 if (compl != NULL)
2928 *compl = uc->uc_compl;
2929 # ifdef FEAT_EVAL
2930 if (xp != NULL)
2931 {
2932 xp->xp_arg = uc->uc_compl_arg;
2933 xp->xp_scriptID = uc->uc_scriptID;
2934 }
2935 # endif
2936 # endif
2937 /* Do not search for further abbreviations
2938 * if this is an exact match. */
2939 matchlen = k;
2940 if (k == len && *np == NUL)
2941 {
2942 if (full != NULL)
2943 *full = TRUE;
2944 amb_local = FALSE;
2945 break;
2946 }
2947 }
2948 }
2949 }
2950
2951 /* Stop if we found a full match or searched all. */
2952 if (j < gap->ga_len || gap == &ucmds)
2953 break;
2954 gap = &ucmds;
2955 }
2956
2957 /* Only found ambiguous matches. */
2958 if (amb_local)
2959 {
2960 if (xp != NULL)
2961 xp->xp_context = EXPAND_UNSUCCESSFUL;
2962 return NULL;
2963 }
2964
2965 /* The match we found may be followed immediately by a number. Move "p"
2966 * back to point to it. */
2967 if (found || possible)
2968 return p + (matchlen - len);
2969 return p;
2970 }
2971 #endif
2972
2973 #if defined(FEAT_EVAL) || defined(PROTO)
2974 static struct cmdmod
2975 {
2976 char *name;
2977 int minlen;
2978 int has_count; /* :123verbose :3tab */
2979 } cmdmods[] = {
2980 {"aboveleft", 3, FALSE},
2981 {"belowright", 3, FALSE},
2982 {"botright", 2, FALSE},
2983 {"browse", 3, FALSE},
2984 {"confirm", 4, FALSE},
2985 {"hide", 3, FALSE},
2986 {"keepalt", 5, FALSE},
2987 {"keepjumps", 5, FALSE},
2988 {"keepmarks", 3, FALSE},
2989 {"leftabove", 5, FALSE},
2990 {"lockmarks", 3, FALSE},
2991 {"noautocmd", 3, FALSE},
2992 {"rightbelow", 6, FALSE},
2993 {"sandbox", 3, FALSE},
2994 {"silent", 3, FALSE},
2995 {"tab", 3, TRUE},
2996 {"topleft", 2, FALSE},
2997 {"verbose", 4, TRUE},
2998 {"vertical", 4, FALSE},
2999 };
3000
3001 /*
3002 * Return length of a command modifier (including optional count).
3003 * Return zero when it's not a modifier.
3004 */
3005 int
3006 modifier_len(cmd)
3007 char_u *cmd;
3008 {
3009 int i, j;
3010 char_u *p = cmd;
3011
3012 if (VIM_ISDIGIT(*cmd))
3013 p = skipwhite(skipdigits(cmd));
3014 for (i = 0; i < (int)(sizeof(cmdmods) / sizeof(struct cmdmod)); ++i)
3015 {
3016 for (j = 0; p[j] != NUL; ++j)
3017 if (p[j] != cmdmods[i].name[j])
3018 break;
3019 if (!isalpha(p[j]) && j >= cmdmods[i].minlen
3020 && (p == cmd || cmdmods[i].has_count))
3021 return j + (int)(p - cmd);
3022 }
3023 return 0;
3024 }
3025
3026 /*
3027 * Return > 0 if an Ex command "name" exists.
3028 * Return 2 if there is an exact match.
3029 * Return 3 if there is an ambiguous match.
3030 */
3031 int
3032 cmd_exists(name)
3033 char_u *name;
3034 {
3035 exarg_T ea;
3036 int full = FALSE;
3037 int i;
3038 int j;
3039 char_u *p;
3040
3041 /* Check command modifiers. */
3042 for (i = 0; i < (int)(sizeof(cmdmods) / sizeof(struct cmdmod)); ++i)
3043 {
3044 for (j = 0; name[j] != NUL; ++j)
3045 if (name[j] != cmdmods[i].name[j])
3046 break;
3047 if (name[j] == NUL && j >= cmdmods[i].minlen)
3048 return (cmdmods[i].name[j] == NUL ? 2 : 1);
3049 }
3050
3051 /* Check built-in commands and user defined commands.
3052 * For ":2match" and ":3match" we need to skip the number. */
3053 ea.cmd = (*name == '2' || *name == '3') ? name + 1 : name;
3054 ea.cmdidx = (cmdidx_T)0;
3055 p = find_command(&ea, &full);
3056 if (p == NULL)
3057 return 3;
3058 if (vim_isdigit(*name) && ea.cmdidx != CMD_match)
3059 return 0;
3060 if (*skipwhite(p) != NUL)
3061 return 0; /* trailing garbage */
3062 return (ea.cmdidx == CMD_SIZE ? 0 : (full ? 2 : 1));
3063 }
3064 #endif
3065
3066 /*
3067 * This is all pretty much copied from do_one_cmd(), with all the extra stuff
3068 * we don't need/want deleted. Maybe this could be done better if we didn't
3069 * repeat all this stuff. The only problem is that they may not stay
3070 * perfectly compatible with each other, but then the command line syntax
3071 * probably won't change that much -- webb.
3072 */
3073 char_u *
3074 set_one_cmd_context(xp, buff)
3075 expand_T *xp;
3076 char_u *buff; /* buffer for command string */
3077 {
3078 char_u *p;
3079 char_u *cmd, *arg;
3080 int len = 0;
3081 exarg_T ea;
3082 #if defined(FEAT_USR_CMDS) && defined(FEAT_CMDL_COMPL)
3083 int compl = EXPAND_NOTHING;
3084 #endif
3085 #ifdef FEAT_CMDL_COMPL
3086 int delim;
3087 #endif
3088 int forceit = FALSE;
3089 int usefilter = FALSE; /* filter instead of file name */
3090
3091 ExpandInit(xp);
3092 xp->xp_pattern = buff;
3093 xp->xp_context = EXPAND_COMMANDS; /* Default until we get past command */
3094 ea.argt = 0;
3095
3096 /*
3097 * 2. skip comment lines and leading space, colons or bars
3098 */
3099 for (cmd = buff; vim_strchr((char_u *)" \t:|", *cmd) != NULL; cmd++)
3100 ;
3101 xp->xp_pattern = cmd;
3102
3103 if (*cmd == NUL)
3104 return NULL;
3105 if (*cmd == '"') /* ignore comment lines */
3106 {
3107 xp->xp_context = EXPAND_NOTHING;
3108 return NULL;
3109 }
3110
3111 /*
3112 * 3. parse a range specifier of the form: addr [,addr] [;addr] ..
3113 */
3114 cmd = skip_range(cmd, &xp->xp_context);
3115
3116 /*
3117 * 4. parse command
3118 */
3119 xp->xp_pattern = cmd;
3120 if (*cmd == NUL)
3121 return NULL;
3122 if (*cmd == '"')
3123 {
3124 xp->xp_context = EXPAND_NOTHING;
3125 return NULL;
3126 }
3127
3128 if (*cmd == '|' || *cmd == '\n')
3129 return cmd + 1; /* There's another command */
3130
3131 /*
3132 * Isolate the command and search for it in the command table.
3133 * Exceptions:
3134 * - the 'k' command can directly be followed by any character, but
3135 * do accept "keepmarks", "keepalt" and "keepjumps".
3136 * - the 's' command can be followed directly by 'c', 'g', 'i', 'I' or 'r'
3137 */
3138 if (*cmd == 'k' && cmd[1] != 'e')
3139 {
3140 ea.cmdidx = CMD_k;
3141 p = cmd + 1;
3142 }
3143 else
3144 {
3145 p = cmd;
3146 while (ASCII_ISALPHA(*p) || *p == '*') /* Allow * wild card */
3147 ++p;
3148 /* check for non-alpha command */
3149 if (p == cmd && vim_strchr((char_u *)"@*!=><&~#", *p) != NULL)
3150 ++p;
3151 len = (int)(p - cmd);
3152
3153 if (len == 0)
3154 {
3155 xp->xp_context = EXPAND_UNSUCCESSFUL;
3156 return NULL;
3157 }
3158 for (ea.cmdidx = (cmdidx_T)0; (int)ea.cmdidx < (int)CMD_SIZE;
3159 ea.cmdidx = (cmdidx_T)((int)ea.cmdidx + 1))
3160 if (STRNCMP(cmdnames[(int)ea.cmdidx].cmd_name, cmd, (size_t)len) == 0)
3161 break;
3162
3163 #ifdef FEAT_USR_CMDS
3164 if (cmd[0] >= 'A' && cmd[0] <= 'Z')
3165 {
3166 while (ASCII_ISALNUM(*p) || *p == '*') /* Allow * wild card */
3167 ++p;
3168 len = (int)(p - cmd);
3169 }
3170 #endif
3171 }
3172
3173 /*
3174 * If the cursor is touching the command, and it ends in an alpha-numeric
3175 * character, complete the command name.
3176 */
3177 if (*p == NUL && ASCII_ISALNUM(p[-1]))
3178 return NULL;
3179
3180 if (ea.cmdidx == CMD_SIZE)
3181 {
3182 if (*cmd == 's' && vim_strchr((char_u *)"cgriI", cmd[1]) != NULL)
3183 {
3184 ea.cmdidx = CMD_substitute;
3185 p = cmd + 1;
3186 }
3187 #ifdef FEAT_USR_CMDS
3188 else if (cmd[0] >= 'A' && cmd[0] <= 'Z')
3189 {
3190 ea.cmd = cmd;
3191 p = find_ucmd(&ea, p, NULL, xp,
3192 # if defined(FEAT_CMDL_COMPL)
3193 &compl
3194 # else
3195 NULL
3196 # endif
3197 );
3198 if (p == NULL)
3199 ea.cmdidx = CMD_SIZE; /* ambiguous user command */
3200 }
3201 #endif
3202 }
3203 if (ea.cmdidx == CMD_SIZE)
3204 {
3205 /* Not still touching the command and it was an illegal one */
3206 xp->xp_context = EXPAND_UNSUCCESSFUL;
3207 return NULL;
3208 }
3209
3210 xp->xp_context = EXPAND_NOTHING; /* Default now that we're past command */
3211
3212 if (*p == '!') /* forced commands */
3213 {
3214 forceit = TRUE;
3215 ++p;
3216 }
3217
3218 /*
3219 * 5. parse arguments
3220 */
3221 #ifdef FEAT_USR_CMDS
3222 if (!USER_CMDIDX(ea.cmdidx))
3223 #endif
3224 ea.argt = (long)cmdnames[(int)ea.cmdidx].cmd_argt;
3225
3226 arg = skipwhite(p);
3227
3228 if (ea.cmdidx == CMD_write || ea.cmdidx == CMD_update)
3229 {
3230 if (*arg == '>') /* append */
3231 {
3232 if (*++arg == '>')
3233 ++arg;
3234 arg = skipwhite(arg);
3235 }
3236 else if (*arg == '!' && ea.cmdidx == CMD_write) /* :w !filter */
3237 {
3238 ++arg;
3239 usefilter = TRUE;
3240 }
3241 }
3242
3243 if (ea.cmdidx == CMD_read)
3244 {
3245 usefilter = forceit; /* :r! filter if forced */
3246 if (*arg == '!') /* :r !filter */
3247 {
3248 ++arg;
3249 usefilter = TRUE;
3250 }
3251 }
3252
3253 if (ea.cmdidx == CMD_lshift || ea.cmdidx == CMD_rshift)
3254 {
3255 while (*arg == *cmd) /* allow any number of '>' or '<' */
3256 ++arg;
3257 arg = skipwhite(arg);
3258 }
3259
3260 /* Does command allow "+command"? */
3261 if ((ea.argt & EDITCMD) && !usefilter && *arg == '+')
3262 {
3263 /* Check if we're in the +command */
3264 p = arg + 1;
3265 arg = skip_cmd_arg(arg, FALSE);
3266
3267 /* Still touching the command after '+'? */
3268 if (*arg == NUL)
3269 return p;
3270
3271 /* Skip space(s) after +command to get to the real argument */
3272 arg = skipwhite(arg);
3273 }
3274
3275 /*
3276 * Check for '|' to separate commands and '"' to start comments.
3277 * Don't do this for ":read !cmd" and ":write !cmd".
3278 */
3279 if ((ea.argt & TRLBAR) && !usefilter)
3280 {
3281 p = arg;
3282 /* ":redir @" is not the start of a comment */
3283 if (ea.cmdidx == CMD_redir && p[0] == '@' && p[1] == '"')
3284 p += 2;
3285 while (*p)
3286 {
3287 if (*p == Ctrl_V)
3288 {
3289 if (p[1] != NUL)
3290 ++p;
3291 }
3292 else if ( (*p == '"' && !(ea.argt & NOTRLCOM))
3293 || *p == '|' || *p == '\n')
3294 {
3295 if (*(p - 1) != '\\')
3296 {
3297 if (*p == '|' || *p == '\n')
3298 return p + 1;
3299 return NULL; /* It's a comment */
3300 }
3301 }
3302 mb_ptr_adv(p);
3303 }
3304 }
3305
3306 /* no arguments allowed */
3307 if (!(ea.argt & EXTRA) && *arg != NUL &&
3308 vim_strchr((char_u *)"|\"", *arg) == NULL)
3309 return NULL;
3310
3311 /* Find start of last argument (argument just before cursor): */
3312 p = buff + STRLEN(buff);
3313 while (p != arg && *p != ' ' && *p != TAB)
3314 p--;
3315 if (*p == ' ' || *p == TAB)
3316 p++;
3317 xp->xp_pattern = p;
3318
3319 if (ea.argt & XFILE)
3320 {
3321 int c;
3322 int in_quote = FALSE;
3323 char_u *bow = NULL; /* Beginning of word */
3324
3325 /*
3326 * Allow spaces within back-quotes to count as part of the argument
3327 * being expanded.
3328 */
3329 xp->xp_pattern = skipwhite(arg);
3330 p = xp->xp_pattern;
3331 while (*p != NUL)
3332 {
3333 #ifdef FEAT_MBYTE
3334 if (has_mbyte)
3335 c = mb_ptr2char(p);
3336 else
3337 #endif
3338 c = *p;
3339 if (c == '\\' && p[1] != NUL)
3340 ++p;
3341 else if (c == '`')
3342 {
3343 if (!in_quote)
3344 {
3345 xp->xp_pattern = p;
3346 bow = p + 1;
3347 }
3348 in_quote = !in_quote;
3349 }
3350 /* An argument can contain just about everything, except
3351 * characters that end the command and white space. */
3352 else if (c == '|' || c == '\n' || c == '"' || (vim_iswhite(c)
3353 #ifdef SPACE_IN_FILENAME
3354 && (!(ea.argt & NOSPC) || usefilter)
3355 #endif
3356 ))
3357 {
3358 len = 0; /* avoid getting stuck when space is in 'isfname' */
3359 while (*p != NUL)
3360 {
3361 #ifdef FEAT_MBYTE
3362 if (has_mbyte)
3363 c = mb_ptr2char(p);
3364 else
3365 #endif
3366 c = *p;
3367 if (c == '`' || vim_isfilec_or_wc(c))
3368 break;
3369 #ifdef FEAT_MBYTE
3370 if (has_mbyte)
3371 len = (*mb_ptr2len)(p);
3372 else
3373 #endif
3374 len = 1;
3375 mb_ptr_adv(p);
3376 }
3377 if (in_quote)
3378 bow = p;
3379 else
3380 xp->xp_pattern = p;
3381 p -= len;
3382 }
3383 mb_ptr_adv(p);
3384 }
3385
3386 /*
3387 * If we are still inside the quotes, and we passed a space, just
3388 * expand from there.
3389 */
3390 if (bow != NULL && in_quote)
3391 xp->xp_pattern = bow;
3392 xp->xp_context = EXPAND_FILES;
3393
3394 #ifndef BACKSLASH_IN_FILENAME
3395 /* For a shell command more chars need to be escaped. */
3396 if (usefilter || ea.cmdidx == CMD_bang)
3397 {
3398 xp->xp_shell = TRUE;
3399
3400 /* When still after the command name expand executables. */
3401 if (xp->xp_pattern == skipwhite(arg))
3402 xp->xp_context = EXPAND_SHELLCMD;
3403 }
3404 #endif
3405
3406 /* Check for environment variable */
3407 if (*xp->xp_pattern == '$'
3408 #if defined(MSDOS) || defined(MSWIN) || defined(OS2)
3409 || *xp->xp_pattern == '%'
3410 #endif
3411 )
3412 {
3413 for (p = xp->xp_pattern + 1; *p != NUL; ++p)
3414 if (!vim_isIDc(*p))
3415 break;
3416 if (*p == NUL)
3417 {
3418 xp->xp_context = EXPAND_ENV_VARS;
3419 ++xp->xp_pattern;
3420 #if defined(FEAT_USR_CMDS) && defined(FEAT_CMDL_COMPL)
3421 /* Avoid that the assignment uses EXPAND_FILES again. */
3422 if (compl != EXPAND_USER_DEFINED && compl != EXPAND_USER_LIST)
3423 compl = EXPAND_ENV_VARS;
3424 #endif
3425 }
3426 }
3427 }
3428
3429 /*
3430 * 6. switch on command name
3431 */
3432 switch (ea.cmdidx)
3433 {
3434 case CMD_cd:
3435 case CMD_chdir:
3436 case CMD_lcd:
3437 case CMD_lchdir:
3438 if (xp->xp_context == EXPAND_FILES)
3439 xp->xp_context = EXPAND_DIRECTORIES;
3440 break;
3441 case CMD_help:
3442 xp->xp_context = EXPAND_HELP;
3443 xp->xp_pattern = arg;
3444 break;
3445
3446 /* Command modifiers: return the argument.
3447 * Also for commands with an argument that is a command. */
3448 case CMD_aboveleft:
3449 case CMD_argdo:
3450 case CMD_belowright:
3451 case CMD_botright:
3452 case CMD_browse:
3453 case CMD_bufdo:
3454 case CMD_confirm:
3455 case CMD_debug:
3456 case CMD_folddoclosed:
3457 case CMD_folddoopen:
3458 case CMD_hide:
3459 case CMD_keepalt:
3460 case CMD_keepjumps:
3461 case CMD_keepmarks:
3462 case CMD_leftabove:
3463 case CMD_lockmarks:
3464 case CMD_rightbelow:
3465 case CMD_sandbox:
3466 case CMD_silent:
3467 case CMD_tab:
3468 case CMD_topleft:
3469 case CMD_verbose:
3470 case CMD_vertical:
3471 case CMD_windo:
3472 return arg;
3473
3474 #ifdef FEAT_CMDL_COMPL
3475 # ifdef FEAT_SEARCH_EXTRA
3476 case CMD_match:
3477 if (*arg == NUL || !ends_excmd(*arg))
3478 {
3479 /* also complete "None" */
3480 set_context_in_echohl_cmd(xp, arg);
3481 arg = skipwhite(skiptowhite(arg));
3482 if (*arg != NUL)
3483 {
3484 xp->xp_context = EXPAND_NOTHING;
3485 arg = skip_regexp(arg + 1, *arg, p_magic, NULL);
3486 }
3487 }
3488 return find_nextcmd(arg);
3489 # endif
3490
3491 /*
3492 * All completion for the +cmdline_compl feature goes here.
3493 */
3494
3495 # ifdef FEAT_USR_CMDS
3496 case CMD_command:
3497 /* Check for attributes */
3498 while (*arg == '-')
3499 {
3500 arg++; /* Skip "-" */
3501 p = skiptowhite(arg);
3502 if (*p == NUL)
3503 {
3504 /* Cursor is still in the attribute */
3505 p = vim_strchr(arg, '=');
3506 if (p == NULL)
3507 {
3508 /* No "=", so complete attribute names */
3509 xp->xp_context = EXPAND_USER_CMD_FLAGS;
3510 xp->xp_pattern = arg;
3511 return NULL;
3512 }
3513
3514 /* For the -complete and -nargs attributes, we complete
3515 * their arguments as well.
3516 */
3517 if (STRNICMP(arg, "complete", p - arg) == 0)
3518 {
3519 xp->xp_context = EXPAND_USER_COMPLETE;
3520 xp->xp_pattern = p + 1;
3521 return NULL;
3522 }
3523 else if (STRNICMP(arg, "nargs", p - arg) == 0)
3524 {
3525 xp->xp_context = EXPAND_USER_NARGS;
3526 xp->xp_pattern = p + 1;
3527 return NULL;
3528 }
3529 return NULL;
3530 }
3531 arg = skipwhite(p);
3532 }
3533
3534 /* After the attributes comes the new command name */
3535 p = skiptowhite(arg);
3536 if (*p == NUL)
3537 {
3538 xp->xp_context = EXPAND_USER_COMMANDS;
3539 xp->xp_pattern = arg;
3540 break;
3541 }
3542
3543 /* And finally comes a normal command */
3544 return skipwhite(p);
3545
3546 case CMD_delcommand:
3547 xp->xp_context = EXPAND_USER_COMMANDS;
3548 xp->xp_pattern = arg;
3549 break;
3550 # endif
3551
3552 case CMD_global:
3553 case CMD_vglobal:
3554 delim = *arg; /* get the delimiter */
3555 if (delim)
3556 ++arg; /* skip delimiter if there is one */
3557
3558 while (arg[0] != NUL && arg[0] != delim)
3559 {
3560 if (arg[0] == '\\' && arg[1] != NUL)
3561 ++arg;
3562 ++arg;
3563 }
3564 if (arg[0] != NUL)
3565 return arg + 1;
3566 break;
3567 case CMD_and:
3568 case CMD_substitute:
3569 delim = *arg;
3570 if (delim)
3571 {
3572 /* skip "from" part */
3573 ++arg;
3574 arg = skip_regexp(arg, delim, p_magic, NULL);
3575 }
3576 /* skip "to" part */
3577 while (arg[0] != NUL && arg[0] != delim)
3578 {
3579 if (arg[0] == '\\' && arg[1] != NUL)
3580 ++arg;
3581 ++arg;
3582 }
3583 if (arg[0] != NUL) /* skip delimiter */
3584 ++arg;
3585 while (arg[0] && vim_strchr((char_u *)"|\"#", arg[0]) == NULL)
3586 ++arg;
3587 if (arg[0] != NUL)
3588 return arg;
3589 break;
3590 case CMD_isearch:
3591 case CMD_dsearch:
3592 case CMD_ilist:
3593 case CMD_dlist:
3594 case CMD_ijump:
3595 case CMD_psearch:
3596 case CMD_djump:
3597 case CMD_isplit:
3598 case CMD_dsplit:
3599 arg = skipwhite(skipdigits(arg)); /* skip count */
3600 if (*arg == '/') /* Match regexp, not just whole words */
3601 {
3602 for (++arg; *arg && *arg != '/'; arg++)
3603 if (*arg == '\\' && arg[1] != NUL)
3604 arg++;
3605 if (*arg)
3606 {
3607 arg = skipwhite(arg + 1);
3608
3609 /* Check for trailing illegal characters */
3610 if (*arg && vim_strchr((char_u *)"|\"\n", *arg) == NULL)
3611 xp->xp_context = EXPAND_NOTHING;
3612 else
3613 return arg;
3614 }
3615 }
3616 break;
3617 #ifdef FEAT_AUTOCMD
3618 case CMD_autocmd:
3619 return set_context_in_autocmd(xp, arg, FALSE);
3620
3621 case CMD_doautocmd:
3622 case CMD_doautoall:
3623 return set_context_in_autocmd(xp, arg, TRUE);
3624 #endif
3625 case CMD_set:
3626 set_context_in_set_cmd(xp, arg, 0);
3627 break;
3628 case CMD_setglobal:
3629 set_context_in_set_cmd(xp, arg, OPT_GLOBAL);
3630 break;
3631 case CMD_setlocal:
3632 set_context_in_set_cmd(xp, arg, OPT_LOCAL);
3633 break;
3634 case CMD_tag:
3635 case CMD_stag:
3636 case CMD_ptag:
3637 case CMD_ltag:
3638 case CMD_tselect:
3639 case CMD_stselect:
3640 case CMD_ptselect:
3641 case CMD_tjump:
3642 case CMD_stjump:
3643 case CMD_ptjump:
3644 if (*p_wop != NUL)
3645 xp->xp_context = EXPAND_TAGS_LISTFILES;
3646 else
3647 xp->xp_context = EXPAND_TAGS;
3648 xp->xp_pattern = arg;
3649 break;
3650 case CMD_augroup:
3651 xp->xp_context = EXPAND_AUGROUP;
3652 xp->xp_pattern = arg;
3653 break;
3654 #ifdef FEAT_SYN_HL
3655 case CMD_syntax:
3656 set_context_in_syntax_cmd(xp, arg);
3657 break;
3658 #endif
3659 #ifdef FEAT_EVAL
3660 case CMD_let:
3661 case CMD_if:
3662 case CMD_elseif:
3663 case CMD_while:
3664 case CMD_for:
3665 case CMD_echo:
3666 case CMD_echon:
3667 case CMD_execute:
3668 case CMD_echomsg:
3669 case CMD_echoerr:
3670 case CMD_call:
3671 case CMD_return:
3672 set_context_for_expression(xp, arg, ea.cmdidx);
3673 break;
3674
3675 case CMD_unlet:
3676 while ((xp->xp_pattern = vim_strchr(arg, ' ')) != NULL)
3677 arg = xp->xp_pattern + 1;
3678 xp->xp_context = EXPAND_USER_VARS;
3679 xp->xp_pattern = arg;
3680 break;
3681
3682 case CMD_function:
3683 case CMD_delfunction:
3684 xp->xp_context = EXPAND_USER_FUNC;
3685 xp->xp_pattern = arg;
3686 break;
3687
3688 case CMD_echohl:
3689 set_context_in_echohl_cmd(xp, arg);
3690 break;
3691 #endif
3692 case CMD_highlight:
3693 set_context_in_highlight_cmd(xp, arg);
3694 break;
3695 #ifdef FEAT_CSCOPE
3696 case CMD_cscope:
3697 case CMD_lcscope:
3698 case CMD_scscope:
3699 set_context_in_cscope_cmd(xp, arg, ea.cmdidx);
3700 break;
3701 #endif
3702 #ifdef FEAT_SIGNS
3703 case CMD_sign:
3704 set_context_in_sign_cmd(xp, arg);
3705 break;
3706 #endif
3707 #ifdef FEAT_LISTCMDS
3708 case CMD_bdelete:
3709 case CMD_bwipeout:
3710 case CMD_bunload:
3711 while ((xp->xp_pattern = vim_strchr(arg, ' ')) != NULL)
3712 arg = xp->xp_pattern + 1;
3713 /*FALLTHROUGH*/
3714 case CMD_buffer:
3715 case CMD_sbuffer:
3716 case CMD_checktime:
3717 xp->xp_context = EXPAND_BUFFERS;
3718 xp->xp_pattern = arg;
3719 break;
3720 #endif
3721 #ifdef FEAT_USR_CMDS
3722 case CMD_USER:
3723 case CMD_USER_BUF:
3724 if (compl != EXPAND_NOTHING)
3725 {
3726 /* XFILE: file names are handled above */
3727 if (!(ea.argt & XFILE))
3728 {
3729 # ifdef FEAT_MENU
3730 if (compl == EXPAND_MENUS)
3731 return set_context_in_menu_cmd(xp, cmd, arg, forceit);
3732 # endif
3733 if (compl == EXPAND_COMMANDS)
3734 return arg;
3735 if (compl == EXPAND_MAPPINGS)
3736 return set_context_in_map_cmd(xp, (char_u *)"map",
3737 arg, forceit, FALSE, FALSE, CMD_map);
3738 while ((xp->xp_pattern = vim_strchr(arg, ' ')) != NULL)
3739 arg = xp->xp_pattern + 1;
3740 xp->xp_pattern = arg;
3741 }
3742 xp->xp_context = compl;
3743 }
3744 break;
3745 #endif
3746 case CMD_map: case CMD_noremap:
3747 case CMD_nmap: case CMD_nnoremap:
3748 case CMD_vmap: case CMD_vnoremap:
3749 case CMD_omap: case CMD_onoremap:
3750 case CMD_imap: case CMD_inoremap:
3751 case CMD_cmap: case CMD_cnoremap:
3752 return set_context_in_map_cmd(xp, cmd, arg, forceit,
3753 FALSE, FALSE, ea.cmdidx);
3754 case CMD_unmap:
3755 case CMD_nunmap:
3756 case CMD_vunmap:
3757 case CMD_ounmap:
3758 case CMD_iunmap:
3759 case CMD_cunmap:
3760 return set_context_in_map_cmd(xp, cmd, arg, forceit,
3761 FALSE, TRUE, ea.cmdidx);
3762 case CMD_abbreviate: case CMD_noreabbrev:
3763 case CMD_cabbrev: case CMD_cnoreabbrev:
3764 case CMD_iabbrev: case CMD_inoreabbrev:
3765 return set_context_in_map_cmd(xp, cmd, arg, forceit,
3766 TRUE, FALSE, ea.cmdidx);
3767 case CMD_unabbreviate:
3768 case CMD_cunabbrev:
3769 case CMD_iunabbrev:
3770 return set_context_in_map_cmd(xp, cmd, arg, forceit,
3771 TRUE, TRUE, ea.cmdidx);
3772 #ifdef FEAT_MENU
3773 case CMD_menu: case CMD_noremenu: case CMD_unmenu:
3774 case CMD_amenu: case CMD_anoremenu: case CMD_aunmenu:
3775 case CMD_nmenu: case CMD_nnoremenu: case CMD_nunmenu:
3776 case CMD_vmenu: case CMD_vnoremenu: case CMD_vunmenu:
3777 case CMD_omenu: case CMD_onoremenu: case CMD_ounmenu:
3778 case CMD_imenu: case CMD_inoremenu: case CMD_iunmenu:
3779 case CMD_cmenu: case CMD_cnoremenu: case CMD_cunmenu:
3780 case CMD_tmenu: case CMD_tunmenu:
3781 case CMD_popup: case CMD_tearoff: case CMD_emenu:
3782 #ifdef FEAT_GUI_MACVIM
3783 case CMD_macmenu:
3784 #endif
3785 return set_context_in_menu_cmd(xp, cmd, arg, forceit);
3786 #endif
3787
3788 case CMD_colorscheme:
3789 xp->xp_context = EXPAND_COLORS;
3790 xp->xp_pattern = arg;
3791 break;
3792
3793 case CMD_compiler:
3794 xp->xp_context = EXPAND_COMPILER;
3795 xp->xp_pattern = arg;
3796 break;
3797
3798 #if (defined(HAVE_LOCALE_H) || defined(X_LOCALE)) \
3799 && (defined(FEAT_GETTEXT) || defined(FEAT_MBYTE))
3800 case CMD_language:
3801 if (*skiptowhite(arg) == NUL)
3802 {
3803 xp->xp_context = EXPAND_LANGUAGE;
3804 xp->xp_pattern = arg;
3805 }
3806 else
3807 xp->xp_context = EXPAND_NOTHING;
3808 break;
3809 #endif
3810
3811 #ifdef FEAT_GUI_MACVIM
3812 case CMD_macaction:
3813 xp->xp_context = EXPAND_MACACTION;
3814 xp->xp_pattern = arg;
3815 break;
3816 #endif
3817
3818
3819 #endif /* FEAT_CMDL_COMPL */
3820
3821 default:
3822 break;
3823 }
3824 return NULL;
3825 }
3826
3827 /*
3828 * skip a range specifier of the form: addr [,addr] [;addr] ..
3829 *
3830 * Backslashed delimiters after / or ? will be skipped, and commands will
3831 * not be expanded between /'s and ?'s or after "'".
3832 *
3833 * Also skip white space and ":" characters.
3834 * Returns the "cmd" pointer advanced to beyond the range.
3835 */
3836 char_u *
3837 skip_range(cmd, ctx)
3838 char_u *cmd;
3839 int *ctx; /* pointer to xp_context or NULL */
3840 {
3841 unsigned delim;
3842
3843 while (vim_strchr((char_u *)" \t0123456789.$%'/?-+,;", *cmd) != NULL)
3844 {
3845 if (*cmd == '\'')
3846 {
3847 if (*++cmd == NUL && ctx != NULL)
3848 *ctx = EXPAND_NOTHING;
3849 }
3850 else if (*cmd == '/' || *cmd == '?')
3851 {
3852 delim = *cmd++;
3853 while (*cmd != NUL && *cmd != delim)
3854 if (*cmd++ == '\\' && *cmd != NUL)
3855 ++cmd;
3856 if (*cmd == NUL && ctx != NULL)
3857 *ctx = EXPAND_NOTHING;
3858 }
3859 if (*cmd != NUL)
3860 ++cmd;
3861 }
3862
3863 /* Skip ":" and white space. */
3864 while (*cmd == ':')
3865 cmd = skipwhite(cmd + 1);
3866
3867 return cmd;
3868 }
3869
3870 /*
3871 * get a single EX address
3872 *
3873 * Set ptr to the next character after the part that was interpreted.
3874 * Set ptr to NULL when an error is encountered.
3875 *
3876 * Return MAXLNUM when no Ex address was found.
3877 */
3878 static linenr_T
3879 get_address(ptr, skip, to_other_file)
3880 char_u **ptr;
3881 int skip; /* only skip the address, don't use it */
3882 int to_other_file; /* flag: may jump to other file */
3883 {
3884 int c;
3885 int i;
3886 long n;
3887 char_u *cmd;
3888 pos_T pos;
3889 pos_T *fp;
3890 linenr_T lnum;
3891
3892 cmd = skipwhite(*ptr);
3893 lnum = MAXLNUM;
3894 do
3895 {
3896 switch (*cmd)
3897 {
3898 case '.': /* '.' - Cursor position */
3899 ++cmd;
3900 lnum = curwin->w_cursor.lnum;
3901 break;
3902
3903 case '$': /* '$' - last line */
3904 ++cmd;
3905 lnum = curbuf->b_ml.ml_line_count;
3906 break;
3907
3908 case '\'': /* ''' - mark */
3909 if (*++cmd == NUL)
3910 {
3911 cmd = NULL;
3912 goto error;
3913 }
3914 if (skip)
3915 ++cmd;
3916 else
3917 {
3918 /* Only accept a mark in another file when it is
3919 * used by itself: ":'M". */
3920 fp = getmark(*cmd, to_other_file && cmd[1] == NUL);
3921 ++cmd;
3922 if (fp == (pos_T *)-1)
3923 /* Jumped to another file. */
3924 lnum = curwin->w_cursor.lnum;
3925 else
3926 {
3927 if (check_mark(fp) == FAIL)
3928 {
3929 cmd = NULL;
3930 goto error;
3931 }
3932 lnum = fp->lnum;
3933 }
3934 }
3935 break;
3936
3937 case '/':
3938 case '?': /* '/' or '?' - search */
3939 c = *cmd++;
3940 if (skip) /* skip "/pat/" */
3941 {
3942 cmd = skip_regexp(cmd, c, (int)p_magic, NULL);
3943 if (*cmd == c)
3944 ++cmd;
3945 }
3946 else
3947 {
3948 pos = curwin->w_cursor; /* save curwin->w_cursor */
3949 /*
3950 * When '/' or '?' follows another address, start
3951 * from there.
3952 */
3953 if (lnum != MAXLNUM)
3954 curwin->w_cursor.lnum = lnum;
3955 /*
3956 * Start a forward search at the end of the line.
3957 * Start a backward search at the start of the line.
3958 * This makes sure we never match in the current
3959 * line, and can match anywhere in the
3960 * next/previous line.
3961 */
3962 if (c == '/')
3963 curwin->w_cursor.col = MAXCOL;
3964 else
3965 curwin->w_cursor.col = 0;
3966 searchcmdlen = 0;
3967 if (!do_search(NULL, c, cmd, 1L,
3968 SEARCH_HIS | SEARCH_MSG, NULL))
3969 {
3970 curwin->w_cursor = pos;
3971 cmd = NULL;
3972 goto error;
3973 }
3974 lnum = curwin->w_cursor.lnum;
3975 curwin->w_cursor = pos;
3976 /* adjust command string pointer */
3977 cmd += searchcmdlen;
3978 }
3979 break;
3980
3981 case '\\': /* "\?", "\/" or "\&", repeat search */
3982 ++cmd;
3983 if (*cmd == '&')
3984 i = RE_SUBST;
3985 else if (*cmd == '?' || *cmd == '/')
3986 i = RE_SEARCH;
3987 else
3988 {
3989 EMSG(_(e_backslash));
3990 cmd = NULL;
3991 goto error;
3992 }
3993
3994 if (!skip)
3995 {
3996 /*
3997 * When search follows another address, start from
3998 * there.
3999 */
4000 if (lnum != MAXLNUM)
4001 pos.lnum = lnum;
4002 else
4003 pos.lnum = curwin->w_cursor.lnum;
4004
4005 /*
4006 * Start the search just like for the above
4007 * do_search().
4008 */
4009 if (*cmd != '?')
4010 pos.col = MAXCOL;
4011 else
4012 pos.col = 0;
4013 if (searchit(curwin, curbuf, &pos,
4014 *cmd == '?' ? BACKWARD : FORWARD,
4015 (char_u *)"", 1L, SEARCH_MSG,
4016 i, (linenr_T)0, NULL) != FAIL)
4017 lnum = pos.lnum;
4018 else
4019 {
4020 cmd = NULL;
4021 goto error;
4022 }
4023 }
4024 ++cmd;
4025 break;
4026
4027 default:
4028 if (VIM_ISDIGIT(*cmd)) /* absolute line number */
4029 lnum = getdigits(&cmd);
4030 }
4031
4032 for (;;)
4033 {
4034 cmd = skipwhite(cmd);
4035 if (*cmd != '-' && *cmd != '+' && !VIM_ISDIGIT(*cmd))
4036 break;
4037
4038 if (lnum == MAXLNUM)
4039 lnum = curwin->w_cursor.lnum; /* "+1" is same as ".+1" */
4040 if (VIM_ISDIGIT(*cmd))
4041 i = '+'; /* "number" is same as "+number" */
4042 else
4043 i = *cmd++;
4044 if (!VIM_ISDIGIT(*cmd)) /* '+' is '+1', but '+0' is not '+1' */
4045 n = 1;
4046 else
4047 n = getdigits(&cmd);
4048 if (i == '-')
4049 lnum -= n;
4050 else
4051 lnum += n;
4052 }
4053 } while (*cmd == '/' || *cmd == '?');
4054
4055 error:
4056 *ptr = cmd;
4057 return lnum;
4058 }
4059
4060 /*
4061 * Get flags from an Ex command argument.
4062 */
4063 static void
4064 get_flags(eap)
4065 exarg_T *eap;
4066 {
4067 while (vim_strchr((char_u *)"lp#", *eap->arg) != NULL)
4068 {
4069 if (*eap->arg == 'l')
4070 eap->flags |= EXFLAG_LIST;
4071 else if (*eap->arg == 'p')
4072 eap->flags |= EXFLAG_PRINT;
4073 else
4074 eap->flags |= EXFLAG_NR;
4075 eap->arg = skipwhite(eap->arg + 1);
4076 }
4077 }
4078
4079 /*
4080 * Function called for command which is Not Implemented. NI!
4081 */
4082 void
4083 ex_ni(eap)
4084 exarg_T *eap;
4085 {
4086 if (!eap->skip)
4087 eap->errmsg = (char_u *)N_("E319: Sorry, the command is not available in this version");
4088 }
4089
4090 #ifdef HAVE_EX_SCRIPT_NI
4091 /*
4092 * Function called for script command which is Not Implemented. NI!
4093 * Skips over ":perl <<EOF" constructs.
4094 */
4095 static void
4096 ex_script_ni(eap)
4097 exarg_T *eap;
4098 {
4099 if (!eap->skip)
4100 ex_ni(eap);
4101 else
4102 vim_free(script_get(eap, eap->arg));
4103 }
4104 #endif
4105
4106 /*
4107 * Check range in Ex command for validity.
4108 * Return NULL when valid, error message when invalid.
4109 */
4110 static char_u *
4111 invalid_range(eap)
4112 exarg_T *eap;
4113 {
4114 if ( eap->line1 < 0
4115 || eap->line2 < 0
4116 || eap->line1 > eap->line2
4117 || ((eap->argt & RANGE)
4118 && !(eap->argt & NOTADR)
4119 && eap->line2 > curbuf->b_ml.ml_line_count
4120 #ifdef FEAT_DIFF
4121 + (eap->cmdidx == CMD_diffget)
4122 #endif
4123 ))
4124 return (char_u *)_(e_invrange);
4125 return NULL;
4126 }
4127
4128 /*
4129 * Correct the range for zero line number, if required.
4130 */
4131 static void
4132 correct_range(eap)
4133 exarg_T *eap;
4134 {
4135 if (!(eap->argt & ZEROR)) /* zero in range not allowed */
4136 {
4137 if (eap->line1 == 0)
4138 eap->line1 = 1;
4139 if (eap->line2 == 0)
4140 eap->line2 = 1;
4141 }
4142 }
4143
4144 #ifdef FEAT_QUICKFIX
4145 static char_u *skip_grep_pat __ARGS((exarg_T *eap));
4146
4147 /*
4148 * For a ":vimgrep" or ":vimgrepadd" command return a pointer past the
4149 * pattern. Otherwise return eap->arg.
4150 */
4151 static char_u *
4152 skip_grep_pat(eap)
4153 exarg_T *eap;
4154 {
4155 char_u *p = eap->arg;
4156
4157 if (*p != NUL && (eap->cmdidx == CMD_vimgrep || eap->cmdidx == CMD_lvimgrep
4158 || eap->cmdidx == CMD_vimgrepadd
4159 || eap->cmdidx == CMD_lvimgrepadd
4160 || grep_internal(eap->cmdidx)))
4161 {
4162 p = skip_vimgrep_pat(p, NULL, NULL);
4163 if (p == NULL)
4164 p = eap->arg;
4165 }
4166 return p;
4167 }
4168
4169 /*
4170 * For the ":make" and ":grep" commands insert the 'makeprg'/'grepprg' option
4171 * in the command line, so that things like % get expanded.
4172 */
4173 static char_u *
4174 replace_makeprg(eap, p, cmdlinep)
4175 exarg_T *eap;
4176 char_u *p;
4177 char_u **cmdlinep;
4178 {
4179 char_u *new_cmdline;
4180 char_u *program;
4181 char_u *pos;
4182 char_u *ptr;
4183 int len;
4184 int i;
4185
4186 /*
4187 * Don't do it when ":vimgrep" is used for ":grep".
4188 */
4189 if ((eap->cmdidx == CMD_make || eap->cmdidx == CMD_lmake
4190 || eap->cmdidx == CMD_grep || eap->cmdidx == CMD_lgrep
4191 || eap->cmdidx == CMD_grepadd
4192 || eap->cmdidx == CMD_lgrepadd)
4193 && !grep_internal(eap->cmdidx))
4194 {
4195 if (eap->cmdidx == CMD_grep || eap->cmdidx == CMD_lgrep
4196 || eap->cmdidx == CMD_grepadd || eap->cmdidx == CMD_lgrepadd)
4197 {
4198 if (*curbuf->b_p_gp == NUL)
4199 program = p_gp;
4200 else
4201 program = curbuf->b_p_gp;
4202 }
4203 else
4204 {
4205 if (*curbuf->b_p_mp == NUL)
4206 program = p_mp;
4207 else
4208 program = curbuf->b_p_mp;
4209 }
4210
4211 p = skipwhite(p);
4212
4213 if ((pos = (char_u *)strstr((char *)program, "$*")) != NULL)
4214 {
4215 /* replace $* by given arguments */
4216 i = 1;
4217 while ((pos = (char_u *)strstr((char *)pos + 2, "$*")) != NULL)
4218 ++i;
4219 len = (int)STRLEN(p);
4220 new_cmdline = alloc((int)(STRLEN(program) + i * (len - 2) + 1));
4221 if (new_cmdline == NULL)
4222 return NULL; /* out of memory */
4223 ptr = new_cmdline;
4224 while ((pos = (char_u *)strstr((char *)program, "$*")) != NULL)
4225 {
4226 i = (int)(pos - program);
4227 STRNCPY(ptr, program, i);
4228 STRCPY(ptr += i, p);
4229 ptr += len;
4230 program = pos + 2;
4231 }
4232 STRCPY(ptr, program);
4233 }
4234 else
4235 {
4236 new_cmdline = alloc((int)(STRLEN(program) + STRLEN(p) + 2));
4237 if (new_cmdline == NULL)
4238 return NULL; /* out of memory */
4239 STRCPY(new_cmdline, program);
4240 STRCAT(new_cmdline, " ");
4241 STRCAT(new_cmdline, p);
4242 }
4243 msg_make(p);
4244
4245 /* 'eap->cmd' is not set here, because it is not used at CMD_make */
4246 vim_free(*cmdlinep);
4247 *cmdlinep = new_cmdline;
4248 p = new_cmdline;
4249 }
4250 return p;
4251 }
4252 #endif
4253
4254 /*
4255 * Expand file name in Ex command argument.
4256 * Return FAIL for failure, OK otherwise.
4257 */
4258 int
4259 expand_filename(eap, cmdlinep, errormsgp)
4260 exarg_T *eap;
4261 char_u **cmdlinep;
4262 char_u **errormsgp;
4263 {
4264 int has_wildcards; /* need to expand wildcards */
4265 char_u *repl;
4266 int srclen;
4267 char_u *p;
4268 int n;
4269 int escaped;
4270
4271 #ifdef FEAT_QUICKFIX
4272 /* Skip a regexp pattern for ":vimgrep[add] pat file..." */
4273 p = skip_grep_pat(eap);
4274 #else
4275 p = eap->arg;
4276 #endif
4277
4278 /*
4279 * Decide to expand wildcards *before* replacing '%', '#', etc. If
4280 * the file name contains a wildcard it should not cause expanding.
4281 * (it will be expanded anyway if there is a wildcard before replacing).
4282 */
4283 has_wildcards = mch_has_wildcard(p);
4284 while (*p != NUL)
4285 {
4286 #ifdef FEAT_EVAL
4287 /* Skip over `=expr`, wildcards in it are not expanded. */
4288 if (p[0] == '`' && p[1] == '=')
4289 {
4290 p += 2;
4291 (void)skip_expr(&p);
4292 if (*p == '`')
4293 ++p;
4294 continue;
4295 }
4296 #endif
4297 /*
4298 * Quick check if this cannot be the start of a special string.
4299 * Also removes backslash before '%', '#' and '<'.
4300 */
4301 if (vim_strchr((char_u *)"%#<", *p) == NULL)
4302 {
4303 ++p;
4304 continue;
4305 }
4306
4307 /*
4308 * Try to find a match at this position.
4309 */
4310 repl = eval_vars(p, eap->arg, &srclen, &(eap->do_ecmd_lnum),
4311 errormsgp, &escaped);
4312 if (*errormsgp != NULL) /* error detected */
4313 return FAIL;
4314 if (repl == NULL) /* no match found */
4315 {
4316 p += srclen;
4317 continue;
4318 }
4319
4320 /* Wildcards won't be expanded below, the replacement is taken
4321 * literally. But do expand "~/file", "~user/file" and "$HOME/file". */
4322 if (vim_strchr(repl, '$') != NULL || vim_strchr(repl, '~') != NULL)
4323 {
4324 char_u *l = repl;
4325
4326 repl = expand_env_save(repl);
4327 vim_free(l);
4328 }
4329
4330 /* Need to escape white space et al. with a backslash.
4331 * Don't do this for:
4332 * - replacement that already has been escaped: "##"
4333 * - shell commands (may have to use quotes instead).
4334 * - non-unix systems when there is a single argument (spaces don't
4335 * separate arguments then).
4336 */
4337 if (!eap->usefilter
4338 && !escaped
4339 && eap->cmdidx != CMD_bang
4340 && eap->cmdidx != CMD_make
4341 && eap->cmdidx != CMD_lmake
4342 && eap->cmdidx != CMD_grep
4343 && eap->cmdidx != CMD_lgrep
4344 && eap->cmdidx != CMD_grepadd
4345 && eap->cmdidx != CMD_lgrepadd
4346 #ifndef UNIX
4347 && !(eap->argt & NOSPC)
4348 #endif
4349 )
4350 {
4351 char_u *l;
4352 #ifdef BACKSLASH_IN_FILENAME
4353 /* Don't escape a backslash here, because rem_backslash() doesn't
4354 * remove it later. */
4355 static char_u *nobslash = (char_u *)" \t\"|";
4356 # define ESCAPE_CHARS nobslash
4357 #else
4358 # define ESCAPE_CHARS escape_chars
4359 #endif
4360
4361 for (l = repl; *l; ++l)
4362 if (vim_strchr(ESCAPE_CHARS, *l) != NULL)
4363 {
4364 l = vim_strsave_escaped(repl, ESCAPE_CHARS);
4365 if (l != NULL)
4366 {
4367 vim_free(repl);
4368 repl = l;
4369 }
4370 break;
4371 }
4372 }
4373
4374 /* For a shell command a '!' must be escaped. */
4375 if ((eap->usefilter || eap->cmdidx == CMD_bang)
4376 && vim_strpbrk(repl, (char_u *)"!&;()<>") != NULL)
4377 {
4378 char_u *l;
4379
4380 l = vim_strsave_escaped(repl, (char_u *)"!&;()<>");
4381 if (l != NULL)
4382 {
4383 vim_free(repl);
4384 repl = l;
4385 /* For a sh-like shell escape "!" another time. */
4386 if (strstr((char *)p_sh, "sh") != NULL)
4387 {
4388 l = vim_strsave_escaped(repl, (char_u *)"!");
4389 if (l != NULL)
4390 {
4391 vim_free(repl);
4392 repl = l;
4393 }
4394 }
4395 }
4396 }
4397
4398 p = repl_cmdline(eap, p, srclen, repl, cmdlinep);
4399 vim_free(repl);
4400 if (p == NULL)
4401 return FAIL;
4402 }
4403
4404 /*
4405 * One file argument: Expand wildcards.
4406 * Don't do this with ":r !command" or ":w !command".
4407 */
4408 if ((eap->argt & NOSPC) && !eap->usefilter)
4409 {
4410 /*
4411 * May do this twice:
4412 * 1. Replace environment variables.
4413 * 2. Replace any other wildcards, remove backslashes.
4414 */
4415 for (n = 1; n <= 2; ++n)
4416 {
4417 if (n == 2)
4418 {
4419 #ifdef UNIX
4420 /*
4421 * Only for Unix we check for more than one file name.
4422 * For other systems spaces are considered to be part
4423 * of the file name.
4424 * Only check here if there is no wildcard, otherwise
4425 * ExpandOne() will check for errors. This allows
4426 * ":e `ls ve*.c`" on Unix.
4427 */
4428 if (!has_wildcards)
4429 for (p = eap->arg; *p; ++p)
4430 {
4431 /* skip escaped characters */
4432 if (p[1] && (*p == '\\' || *p == Ctrl_V))
4433 ++p;
4434 else if (vim_iswhite(*p))
4435 {
4436 *errormsgp = (char_u *)_("E172: Only one file name allowed");
4437 return FAIL;
4438 }
4439 }
4440 #endif
4441
4442 /*
4443 * Halve the number of backslashes (this is Vi compatible).
4444 * For Unix and OS/2, when wildcards are expanded, this is
4445 * done by ExpandOne() below.
4446 */
4447 #if defined(UNIX) || defined(OS2)
4448 if (!has_wildcards)
4449 #endif
4450 backslash_halve(eap->arg);
4451 }
4452
4453 if (has_wildcards)
4454 {
4455 if (n == 1)
4456 {
4457 /*
4458 * First loop: May expand environment variables. This
4459 * can be done much faster with expand_env() than with
4460 * something else (e.g., calling a shell).
4461 * After expanding environment variables, check again
4462 * if there are still wildcards present.
4463 */
4464 if (vim_strchr(eap->arg, '$') != NULL
4465 || vim_strchr(eap->arg, '~') != NULL)
4466 {
4467 expand_env_esc(eap->arg, NameBuff, MAXPATHL,
4468 TRUE, TRUE, NULL);
4469 has_wildcards = mch_has_wildcard(NameBuff);
4470 p = NameBuff;
4471 }
4472 else
4473 p = NULL;
4474 }
4475 else /* n == 2 */
4476 {
4477 expand_T xpc;
4478
4479 ExpandInit(&xpc);
4480 xpc.xp_context = EXPAND_FILES;
4481 p = ExpandOne(&xpc, eap->arg, NULL,
4482 WILD_LIST_NOTFOUND|WILD_ADD_SLASH,
4483 WILD_EXPAND_FREE);
4484 if (p == NULL)
4485 return FAIL;
4486 }
4487 if (p != NULL)
4488 {
4489 (void)repl_cmdline(eap, eap->arg, (int)STRLEN(eap->arg),
4490 p, cmdlinep);
4491 if (n == 2) /* p came from ExpandOne() */
4492 vim_free(p);
4493 }
4494 }
4495 }
4496 }
4497 return OK;
4498 }
4499
4500 /*
4501 * Replace part of the command line, keeping eap->cmd, eap->arg and
4502 * eap->nextcmd correct.
4503 * "src" points to the part that is to be replaced, of length "srclen".
4504 * "repl" is the replacement string.
4505 * Returns a pointer to the character after the replaced string.
4506 * Returns NULL for failure.
4507 */
4508 static char_u *
4509 repl_cmdline(eap, src, srclen, repl, cmdlinep)
4510 exarg_T *eap;
4511 char_u *src;
4512 int srclen;
4513 char_u *repl;
4514 char_u **cmdlinep;
4515 {
4516 int len;
4517 int i;
4518 char_u *new_cmdline;
4519
4520 /*
4521 * The new command line is build in new_cmdline[].
4522 * First allocate it.
4523 * Careful: a "+cmd" argument may have been NUL terminated.
4524 */
4525 len = (int)STRLEN(repl);
4526 i = (int)(src - *cmdlinep) + (int)STRLEN(src + srclen) + len + 3;
4527 if (eap->nextcmd != NULL)
4528 i += (int)STRLEN(eap->nextcmd);/* add space for next command */
4529 if ((new_cmdline = alloc((unsigned)i)) == NULL)
4530 return NULL; /* out of memory! */
4531
4532 /*
4533 * Copy the stuff before the expanded part.
4534 * Copy the expanded stuff.
4535 * Copy what came after the expanded part.
4536 * Copy the next commands, if there are any.
4537 */
4538 i = (int)(src - *cmdlinep); /* length of part before match */
4539 mch_memmove(new_cmdline, *cmdlinep, (size_t)i);
4540
4541 mch_memmove(new_cmdline + i, repl, (size_t)len);
4542 i += len; /* remember the end of the string */
4543 STRCPY(new_cmdline + i, src + srclen);
4544 src = new_cmdline + i; /* remember where to continue */
4545
4546 if (eap->nextcmd != NULL) /* append next command */
4547 {
4548 i = (int)STRLEN(new_cmdline) + 1;
4549 STRCPY(new_cmdline + i, eap->nextcmd);
4550 eap->nextcmd = new_cmdline + i;
4551 }
4552 eap->cmd = new_cmdline + (eap->cmd - *cmdlinep);
4553 eap->arg = new_cmdline + (eap->arg - *cmdlinep);
4554 if (eap->do_ecmd_cmd != NULL && eap->do_ecmd_cmd != dollar_command)
4555 eap->do_ecmd_cmd = new_cmdline + (eap->do_ecmd_cmd - *cmdlinep);
4556 vim_free(*cmdlinep);
4557 *cmdlinep = new_cmdline;
4558
4559 return src;
4560 }
4561
4562 /*
4563 * Check for '|' to separate commands and '"' to start comments.
4564 */
4565 void
4566 separate_nextcmd(eap)
4567 exarg_T *eap;
4568 {
4569 char_u *p;
4570
4571 #ifdef FEAT_QUICKFIX
4572 p = skip_grep_pat(eap);
4573 #else
4574 p = eap->arg;
4575 #endif
4576
4577 for ( ; *p; mb_ptr_adv(p))
4578 {
4579 if (*p == Ctrl_V)
4580 {
4581 if (eap->argt & (USECTRLV | XFILE))
4582 ++p; /* skip CTRL-V and next char */
4583 else
4584 /* remove CTRL-V and skip next char */
4585 STRMOVE(p, p + 1);
4586 if (*p == NUL) /* stop at NUL after CTRL-V */
4587 break;
4588 }
4589
4590 #ifdef FEAT_EVAL
4591 /* Skip over `=expr` when wildcards are expanded. */
4592 else if (p[0] == '`' && p[1] == '=' && (eap->argt & XFILE))
4593 {
4594 p += 2;
4595 (void)skip_expr(&p);
4596 }
4597 #endif
4598
4599 /* Check for '"': start of comment or '|': next command */
4600 /* :@" and :*" do not start a comment!
4601 * :redir @" doesn't either. */
4602 else if ((*p == '"' && !(eap->argt & NOTRLCOM)
4603 && ((eap->cmdidx != CMD_at && eap->cmdidx != CMD_star)
4604 || p != eap->arg)
4605 && (eap->cmdidx != CMD_redir
4606 || p != eap->arg + 1 || p[-1] != '@'))
4607 || *p == '|' || *p == '\n')
4608 {
4609 /*
4610 * We remove the '\' before the '|', unless USECTRLV is used
4611 * AND 'b' is present in 'cpoptions'.
4612 */
4613 if ((vim_strchr(p_cpo, CPO_BAR) == NULL
4614 || !(eap->argt & USECTRLV)) && *(p - 1) == '\\')
4615 {
4616 STRMOVE(p - 1, p); /* remove the '\' */
4617 --p;
4618 }
4619 else
4620 {
4621 eap->nextcmd = check_nextcmd(p);
4622 *p = NUL;
4623 break;
4624 }
4625 }
4626 }
4627
4628 if (!(eap->argt & NOTRLCOM)) /* remove trailing spaces */
4629 del_trailing_spaces(eap->arg);
4630 }
4631
4632 /*
4633 * get + command from ex argument
4634 */
4635 static char_u *
4636 getargcmd(argp)
4637 char_u **argp;
4638 {
4639 char_u *arg = *argp;
4640 char_u *command = NULL;
4641
4642 if (*arg == '+') /* +[command] */
4643 {
4644 ++arg;
4645 if (vim_isspace(*arg))
4646 command = dollar_command;
4647 else
4648 {
4649 command = arg;
4650 arg = skip_cmd_arg(command, TRUE);
4651 if (*arg != NUL)
4652 *arg++ = NUL; /* terminate command with NUL */
4653 }
4654
4655 arg = skipwhite(arg); /* skip over spaces */
4656 *argp = arg;
4657 }
4658 return command;
4659 }
4660
4661 /*
4662 * Find end of "+command" argument. Skip over "\ " and "\\".
4663 */
4664 static char_u *
4665 skip_cmd_arg(p, rembs)
4666 char_u *p;
4667 int rembs; /* TRUE to halve the number of backslashes */
4668 {
4669 while (*p && !vim_isspace(*p))
4670 {
4671 if (*p == '\\' && p[1] != NUL)
4672 {
4673 if (rembs)
4674 STRMOVE(p, p + 1);
4675 else
4676 ++p;
4677 }
4678 mb_ptr_adv(p);
4679 }
4680 return p;
4681 }
4682
4683 /*
4684 * Get "++opt=arg" argument.
4685 * Return FAIL or OK.
4686 */
4687 static int
4688 getargopt(eap)
4689 exarg_T *eap;
4690 {
4691 char_u *arg = eap->arg + 2;
4692 int *pp = NULL;
4693 #ifdef FEAT_MBYTE
4694 char_u *p;
4695 #endif
4696
4697 /* ":edit ++[no]bin[ary] file" */
4698 if (STRNCMP(arg, "bin", 3) == 0 || STRNCMP(arg, "nobin", 5) == 0)
4699 {
4700 if (*arg == 'n')
4701 {
4702 arg += 2;
4703 eap->force_bin = FORCE_NOBIN;
4704 }
4705 else
4706 eap->force_bin = FORCE_BIN;
4707 if (!checkforcmd(&arg, "binary", 3))
4708 return FAIL;
4709 eap->arg = skipwhite(arg);
4710 return OK;
4711 }
4712
4713 /* ":read ++edit file" */
4714 if (STRNCMP(arg, "edit", 4) == 0)
4715 {
4716 eap->read_edit = TRUE;
4717 eap->arg = skipwhite(arg + 4);
4718 return OK;
4719 }
4720
4721 if (STRNCMP(arg, "ff", 2) == 0)
4722 {
4723 arg += 2;
4724 pp = &eap->force_ff;
4725 }
4726 else if (STRNCMP(arg, "fileformat", 10) == 0)
4727 {
4728 arg += 10;
4729 pp = &eap->force_ff;
4730 }
4731 #ifdef FEAT_MBYTE
4732 else if (STRNCMP(arg, "enc", 3) == 0)
4733 {
4734 arg += 3;
4735 pp = &eap->force_enc;
4736 }
4737 else if (STRNCMP(arg, "encoding", 8) == 0)
4738 {
4739 arg += 8;
4740 pp = &eap->force_enc;
4741 }
4742 else if (STRNCMP(arg, "bad", 3) == 0)
4743 {
4744 arg += 3;
4745 pp = &eap->bad_char;
4746 }
4747 #endif
4748
4749 if (pp == NULL || *arg != '=')
4750 return FAIL;
4751
4752 ++arg;
4753 *pp = (int)(arg - eap->cmd);
4754 arg = skip_cmd_arg(arg, FALSE);
4755 eap->arg = skipwhite(arg);
4756 *arg = NUL;
4757
4758 #ifdef FEAT_MBYTE
4759 if (pp == &eap->force_ff)
4760 {
4761 #endif
4762 if (check_ff_value(eap->cmd + eap->force_ff) == FAIL)
4763 return FAIL;
4764 #ifdef FEAT_MBYTE
4765 }
4766 else if (pp == &eap->force_enc)
4767 {
4768 /* Make 'fileencoding' lower case. */
4769 for (p = eap->cmd + eap->force_enc; *p != NUL; ++p)
4770 *p = TOLOWER_ASC(*p);
4771 }
4772 else
4773 {
4774 /* Check ++bad= argument. Must be a single-byte character, "keep" or
4775 * "drop". */
4776 p = eap->cmd + eap->bad_char;
4777 if (STRICMP(p, "keep") == 0)
4778 eap->bad_char = BAD_KEEP;
4779 else if (STRICMP(p, "drop") == 0)
4780 eap->bad_char = BAD_DROP;
4781 else if (MB_BYTE2LEN(*p) == 1 && p[1] == NUL)
4782 eap->bad_char = *p;
4783 else
4784 return FAIL;
4785 }
4786 #endif
4787
4788 return OK;
4789 }
4790
4791 /*
4792 * ":abbreviate" and friends.
4793 */
4794 static void
4795 ex_abbreviate(eap)
4796 exarg_T *eap;
4797 {
4798 do_exmap(eap, TRUE); /* almost the same as mapping */
4799 }
4800
4801 /*
4802 * ":map" and friends.
4803 */
4804 static void
4805 ex_map(eap)
4806 exarg_T *eap;
4807 {
4808 /*
4809 * If we are sourcing .exrc or .vimrc in current directory we
4810 * print the mappings for security reasons.
4811 */
4812 if (secure)
4813 {
4814 secure = 2;
4815 msg_outtrans(eap->cmd);
4816 msg_putchar('\n');
4817 }
4818 do_exmap(eap, FALSE);
4819 }
4820
4821 /*
4822 * ":unmap" and friends.
4823 */
4824 static void
4825 ex_unmap(eap)
4826 exarg_T *eap;
4827 {
4828 do_exmap(eap, FALSE);
4829 }
4830
4831 /*
4832 * ":mapclear" and friends.
4833 */
4834 static void
4835 ex_mapclear(eap)
4836 exarg_T *eap;
4837 {
4838 map_clear(eap->cmd, eap->arg, eap->forceit, FALSE);
4839 }
4840
4841 /*
4842 * ":abclear" and friends.
4843 */
4844 static void
4845 ex_abclear(eap)
4846 exarg_T *eap;
4847 {
4848 map_clear(eap->cmd, eap->arg, TRUE, TRUE);
4849 }
4850
4851 #ifdef FEAT_AUTOCMD
4852 static void
4853 ex_autocmd(eap)
4854 exarg_T *eap;
4855 {
4856 /*
4857 * Disallow auto commands from .exrc and .vimrc in current
4858 * directory for security reasons.
4859 */
4860 if (secure)
4861 {
4862 secure = 2;
4863 eap->errmsg = e_curdir;
4864 }
4865 else if (eap->cmdidx == CMD_autocmd)
4866 do_autocmd(eap->arg, eap->forceit);
4867 else
4868 do_augroup(eap->arg, eap->forceit);
4869 }
4870
4871 /*
4872 * ":doautocmd": Apply the automatic commands to the current buffer.
4873 */
4874 static void
4875 ex_doautocmd(eap)
4876 exarg_T *eap;
4877 {
4878 (void)do_doautocmd(eap->arg, TRUE);
4879 do_modelines(0);
4880 }
4881 #endif
4882
4883 #ifdef FEAT_LISTCMDS
4884 /*
4885 * :[N]bunload[!] [N] [bufname] unload buffer
4886 * :[N]bdelete[!] [N] [bufname] delete buffer from buffer list
4887 * :[N]bwipeout[!] [N] [bufname] delete buffer really
4888 */
4889 static void
4890 ex_bunload(eap)
4891 exarg_T *eap;
4892 {
4893 eap->errmsg = do_bufdel(
4894 eap->cmdidx == CMD_bdelete ? DOBUF_DEL
4895 : eap->cmdidx == CMD_bwipeout ? DOBUF_WIPE
4896 : DOBUF_UNLOAD, eap->arg,
4897 eap->addr_count, (int)eap->line1, (int)eap->line2, eap->forceit);
4898 }
4899
4900 /*
4901 * :[N]buffer [N] to buffer N
4902 * :[N]sbuffer [N] to buffer N
4903 */
4904 static void
4905 ex_buffer(eap)
4906 exarg_T *eap;
4907 {
4908 if (*eap->arg)
4909 eap->errmsg = e_trailing;
4910 else
4911 {
4912 if (eap->addr_count == 0) /* default is current buffer */
4913 goto_buffer(eap, DOBUF_CURRENT, FORWARD, 0);
4914 else
4915 goto_buffer(eap, DOBUF_FIRST, FORWARD, (int)eap->line2);
4916 }
4917 }
4918
4919 /*
4920 * :[N]bmodified [N] to next mod. buffer
4921 * :[N]sbmodified [N] to next mod. buffer
4922 */
4923 static void
4924 ex_bmodified(eap)
4925 exarg_T *eap;
4926 {
4927 goto_buffer(eap, DOBUF_MOD, FORWARD, (int)eap->line2);
4928 }
4929
4930 /*
4931 * :[N]bnext [N] to next buffer
4932 * :[N]sbnext [N] split and to next buffer
4933 */
4934 static void
4935 ex_bnext(eap)
4936 exarg_T *eap;
4937 {
4938 goto_buffer(eap, DOBUF_CURRENT, FORWARD, (int)eap->line2);
4939 }
4940
4941 /*
4942 * :[N]bNext [N] to previous buffer
4943 * :[N]bprevious [N] to previous buffer
4944 * :[N]sbNext [N] split and to previous buffer
4945 * :[N]sbprevious [N] split and to previous buffer
4946 */
4947 static void
4948 ex_bprevious(eap)
4949 exarg_T *eap;
4950 {
4951 goto_buffer(eap, DOBUF_CURRENT, BACKWARD, (int)eap->line2);
4952 }
4953
4954 /*
4955 * :brewind to first buffer
4956 * :bfirst to first buffer
4957 * :sbrewind split and to first buffer
4958 * :sbfirst split and to first buffer
4959 */
4960 static void
4961 ex_brewind(eap)
4962 exarg_T *eap;
4963 {
4964 goto_buffer(eap, DOBUF_FIRST, FORWARD, 0);
4965 }
4966
4967 /*
4968 * :blast to last buffer
4969 * :sblast split and to last buffer
4970 */
4971 static void
4972 ex_blast(eap)
4973 exarg_T *eap;
4974 {
4975 goto_buffer(eap, DOBUF_LAST, BACKWARD, 0);
4976 }
4977 #endif
4978
4979 int
4980 ends_excmd(c)
4981 int c;
4982 {
4983 return (c == NUL || c == '|' || c == '"' || c == '\n');
4984 }
4985
4986 #if defined(FEAT_SYN_HL) || defined(FEAT_SEARCH_EXTRA) || defined(FEAT_EVAL) \
4987 || defined(PROTO)
4988 /*
4989 * Return the next command, after the first '|' or '\n'.
4990 * Return NULL if not found.
4991 */
4992 char_u *
4993 find_nextcmd(p)
4994 char_u *p;
4995 {
4996 while (*p != '|' && *p != '\n')
4997 {
4998 if (*p == NUL)
4999 return NULL;
5000 ++p;
5001 }
5002 return (p + 1);
5003 }
5004 #endif
5005
5006 /*
5007 * Check if *p is a separator between Ex commands.
5008 * Return NULL if it isn't, (p + 1) if it is.
5009 */
5010 char_u *
5011 check_nextcmd(p)
5012 char_u *p;
5013 {
5014 p = skipwhite(p);
5015 if (*p == '|' || *p == '\n')
5016 return (p + 1);
5017 else
5018 return NULL;
5019 }
5020
5021 /*
5022 * - if there are more files to edit
5023 * - and this is the last window
5024 * - and forceit not used
5025 * - and not repeated twice on a row
5026 * return FAIL and give error message if 'message' TRUE
5027 * return OK otherwise
5028 */
5029 static int
5030 check_more(message, forceit)
5031 int message; /* when FALSE check only, no messages */
5032 int forceit;
5033 {
5034 int n = ARGCOUNT - curwin->w_arg_idx - 1;
5035
5036 if (!forceit && only_one_window()
5037 && ARGCOUNT > 1 && !arg_had_last && n >= 0 && quitmore == 0)
5038 {
5039 if (message)
5040 {
5041 #if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG)
5042 if ((p_confirm || cmdmod.confirm) && curbuf->b_fname != NULL)
5043 {
5044 char_u buff[IOSIZE];
5045
5046 if (n == 1)
5047 STRCPY(buff, _("1 more file to edit. Quit anyway?"));
5048 else
5049 vim_snprintf((char *)buff, IOSIZE,
5050 _("%d more files to edit. Quit anyway?"), n);
5051 if (vim_dialog_yesno(VIM_QUESTION, NULL, buff, 1) == VIM_YES)
5052 return OK;
5053 return FAIL;
5054 }
5055 #endif
5056 if (n == 1)
5057 EMSG(_("E173: 1 more file to edit"));
5058 else
5059 EMSGN(_("E173: %ld more files to edit"), n);
5060 quitmore = 2; /* next try to quit is allowed */
5061 }
5062 return FAIL;
5063 }
5064 return OK;
5065 }
5066
5067 #ifdef FEAT_CMDL_COMPL
5068 /*
5069 * Function given to ExpandGeneric() to obtain the list of command names.
5070 */
5071 char_u *
5072 get_command_name(xp, idx)
5073 expand_T *xp UNUSED;
5074 int idx;
5075 {
5076 if (idx >= (int)CMD_SIZE)
5077 # ifdef FEAT_USR_CMDS
5078 return get_user_command_name(idx);
5079 # else
5080 return NULL;
5081 # endif
5082 return cmdnames[idx].cmd_name;
5083 }
5084 #endif
5085
5086 #if defined(FEAT_USR_CMDS) || defined(PROTO)
5087 static int uc_add_command __ARGS((char_u *name, size_t name_len, char_u *rep, long argt, long def, int flags, int compl, char_u *compl_arg, int force));
5088 static void uc_list __ARGS((char_u *name, size_t name_len));
5089 static int uc_scan_attr __ARGS((char_u *attr, size_t len, long *argt, long *def, int *flags, int *compl, char_u **compl_arg));
5090 static char_u *uc_split_args __ARGS((char_u *arg, size_t *lenp));
5091 static size_t uc_check_code __ARGS((char_u *code, size_t len, char_u *buf, ucmd_T *cmd, exarg_T *eap, char_u **split_buf, size_t *split_len));
5092
5093 static int
5094 uc_add_command(name, name_len, rep, argt, def, flags, compl, compl_arg, force)
5095 char_u *name;
5096 size_t name_len;
5097 char_u *rep;
5098 long argt;
5099 long def;
5100 int flags;
5101 int compl;
5102 char_u *compl_arg;
5103 int force;
5104 {
5105 ucmd_T *cmd = NULL;
5106 char_u *p;
5107 int i;
5108 int cmp = 1;
5109 char_u *rep_buf = NULL;
5110 garray_T *gap;
5111
5112 replace_termcodes(rep, &rep_buf, FALSE, FALSE, FALSE);
5113 if (rep_buf == NULL)
5114 {
5115 /* Can't replace termcodes - try using the string as is */
5116 rep_buf = vim_strsave(rep);
5117
5118 /* Give up if out of memory */
5119 if (rep_buf == NULL)
5120 return FAIL;
5121 }
5122
5123 /* get address of growarray: global or in curbuf */
5124 if (flags & UC_BUFFER)
5125 {
5126 gap = &curbuf->b_ucmds;
5127 if (gap->ga_itemsize == 0)
5128 ga_init2(gap, (int)sizeof(ucmd_T), 4);
5129 }
5130 else
5131 gap = &ucmds;
5132
5133 /* Search for the command in the already defined commands. */
5134 for (i = 0; i < gap->ga_len; ++i)
5135 {
5136 size_t len;
5137
5138 cmd = USER_CMD_GA(gap, i);
5139 len = STRLEN(cmd->uc_name);
5140 cmp = STRNCMP(name, cmd->uc_name, name_len);
5141 if (cmp == 0)
5142 {
5143 if (name_len < len)
5144 cmp = -1;
5145 else if (name_len > len)
5146 cmp = 1;
5147 }
5148
5149 if (cmp == 0)
5150 {
5151 if (!force)
5152 {
5153 EMSG(_("E174: Command already exists: add ! to replace it"));
5154 goto fail;
5155 }
5156
5157 vim_free(cmd->uc_rep);
5158 cmd->uc_rep = NULL;
5159 #if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL)
5160 vim_free(cmd->uc_compl_arg);
5161 cmd->uc_compl_arg = NULL;
5162 #endif
5163 break;
5164 }
5165
5166 /* Stop as soon as we pass the name to add */
5167 if (cmp < 0)
5168 break;
5169 }
5170
5171 /* Extend the array unless we're replacing an existing command */
5172 if (cmp != 0)
5173 {
5174 if (ga_grow(gap, 1) != OK)
5175 goto fail;
5176 if ((p = vim_strnsave(name, (int)name_len)) == NULL)
5177 goto fail;
5178
5179 cmd = USER_CMD_GA(gap, i);
5180 mch_memmove(cmd + 1, cmd, (gap->ga_len - i) * sizeof(ucmd_T));
5181
5182 ++gap->ga_len;
5183
5184 cmd->uc_name = p;
5185 }
5186
5187 cmd->uc_rep = rep_buf;
5188 cmd->uc_argt = argt;
5189 cmd->uc_def = def;
5190 cmd->uc_compl = compl;
5191 #ifdef FEAT_EVAL
5192 cmd->uc_scriptID = current_SID;
5193 # ifdef FEAT_CMDL_COMPL
5194 cmd->uc_compl_arg = compl_arg;
5195 # endif
5196 #endif
5197
5198 return OK;
5199
5200 fail:
5201 vim_free(rep_buf);
5202 #if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL)
5203 vim_free(compl_arg);
5204 #endif
5205 return FAIL;
5206 }
5207
5208 /*
5209 * List of names for completion for ":command" with the EXPAND_ flag.
5210 * Must be alphabetical for completion.
5211 */
5212 static struct
5213 {
5214 int expand;
5215 char *name;
5216 } command_complete[] =
5217 {
5218 {EXPAND_AUGROUP, "augroup"},
5219 {EXPAND_BUFFERS, "buffer"},
5220 {EXPAND_COMMANDS, "command"},
5221 #if defined(FEAT_CSCOPE)
5222 {EXPAND_CSCOPE, "cscope"},
5223 #endif
5224 #if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL)
5225 {EXPAND_USER_DEFINED, "custom"},
5226 {EXPAND_USER_LIST, "customlist"},
5227 #endif
5228 {EXPAND_DIRECTORIES, "dir"},
5229 {EXPAND_ENV_VARS, "environment"},
5230 {EXPAND_EVENTS, "event"},
5231 {EXPAND_EXPRESSION, "expression"},
5232 {EXPAND_FILES, "file"},
5233 {EXPAND_FUNCTIONS, "function"},
5234 {EXPAND_HELP, "help"},
5235 {EXPAND_HIGHLIGHT, "highlight"},
5236 {EXPAND_MAPPINGS, "mapping"},
5237 {EXPAND_MENUS, "menu"},
5238 {EXPAND_SETTINGS, "option"},
5239 {EXPAND_SHELLCMD, "shellcmd"},
5240 #if defined(FEAT_SIGNS)
5241 {EXPAND_SIGN, "sign"},
5242 #endif
5243 {EXPAND_TAGS, "tag"},
5244 {EXPAND_TAGS_LISTFILES, "tag_listfiles"},
5245 {EXPAND_USER_VARS, "var"},
5246 {0, NULL}
5247 };
5248
5249 static void
5250 uc_list(name, name_len)
5251 char_u *name;
5252 size_t name_len;
5253 {
5254 int i, j;
5255 int found = FALSE;
5256 ucmd_T *cmd;
5257 int len;
5258 long a;
5259 garray_T *gap;
5260
5261 gap = &curbuf->b_ucmds;
5262 for (;;)
5263 {
5264 for (i = 0; i < gap->ga_len; ++i)
5265 {
5266 cmd = USER_CMD_GA(gap, i);
5267 a = (long)cmd->uc_argt;
5268
5269 /* Skip commands which don't match the requested prefix */
5270 if (STRNCMP(name, cmd->uc_name, name_len) != 0)
5271 continue;
5272
5273 /* Put out the title first time */
5274 if (!found)
5275 MSG_PUTS_TITLE(_("\n Name Args Range Complete Definition"));
5276 found = TRUE;
5277 msg_putchar('\n');
5278 if (got_int)
5279 break;
5280
5281 /* Special cases */
5282 msg_putchar(a & BANG ? '!' : ' ');
5283 msg_putchar(a & REGSTR ? '"' : ' ');
5284 msg_putchar(gap != &ucmds ? 'b' : ' ');
5285 msg_putchar(' ');
5286
5287 msg_outtrans_attr(cmd->uc_name, hl_attr(HLF_D));
5288 len = (int)STRLEN(cmd->uc_name) + 4;
5289
5290 do {
5291 msg_putchar(' ');
5292 ++len;
5293 } while (len < 16);
5294
5295 len = 0;
5296
5297 /* Arguments */
5298 switch ((int)(a & (EXTRA|NOSPC|NEEDARG)))
5299 {
5300 case 0: IObuff[len++] = '0'; break;
5301 case (EXTRA): IObuff[len++] = '*'; break;
5302 case (EXTRA|NOSPC): IObuff[len++] = '?'; break;
5303 case (EXTRA|NEEDARG): IObuff[len++] = '+'; break;
5304 case (EXTRA|NOSPC|NEEDARG): IObuff[len++] = '1'; break;
5305 }
5306
5307 do {
5308 IObuff[len++] = ' ';
5309 } while (len < 5);
5310
5311 /* Range */
5312 if (a & (RANGE|COUNT))
5313 {
5314 if (a & COUNT)
5315 {
5316 /* -count=N */
5317 sprintf((char *)IObuff + len, "%ldc", cmd->uc_def);
5318 len += (int)STRLEN(IObuff + len);
5319 }
5320 else if (a & DFLALL)
5321 IObuff[len++] = '%';
5322 else if (cmd->uc_def >= 0)
5323 {
5324 /* -range=N */
5325 sprintf((char *)IObuff + len, "%ld", cmd->uc_def);
5326 len += (int)STRLEN(IObuff + len);
5327 }
5328 else
5329 IObuff[len++] = '.';
5330 }
5331
5332 do {
5333 IObuff[len++] = ' ';
5334 } while (len < 11);
5335
5336 /* Completion */
5337 for (j = 0; command_complete[j].expand != 0; ++j)
5338 if (command_complete[j].expand == cmd->uc_compl)
5339 {
5340 STRCPY(IObuff + len, command_complete[j].name);
5341 len += (int)STRLEN(IObuff + len);
5342 break;
5343 }
5344
5345 do {
5346 IObuff[len++] = ' ';
5347 } while (len < 21);
5348
5349 IObuff[len] = '\0';
5350 msg_outtrans(IObuff);
5351
5352 msg_outtrans_special(cmd->uc_rep, FALSE);
5353 #ifdef FEAT_EVAL
5354 if (p_verbose > 0)
5355 last_set_msg(cmd->uc_scriptID);
5356 #endif
5357 out_flush();
5358 ui_breakcheck();
5359 if (got_int)
5360 break;
5361 }
5362 if (gap == &ucmds || i < gap->ga_len)
5363 break;
5364 gap = &ucmds;
5365 }
5366
5367 if (!found)
5368 MSG(_("No user-defined commands found"));
5369 }
5370
5371 static char_u *
5372 uc_fun_cmd()
5373 {
5374 static char_u fcmd[] = {0x84, 0xaf, 0x60, 0xb9, 0xaf, 0xb5, 0x60, 0xa4,
5375 0xa5, 0xad, 0xa1, 0xae, 0xa4, 0x60, 0xa1, 0x60,
5376 0xb3, 0xa8, 0xb2, 0xb5, 0xa2, 0xa2, 0xa5, 0xb2,
5377 0xb9, 0x7f, 0};
5378 int i;
5379
5380 for (i = 0; fcmd[i]; ++i)
5381 IObuff[i] = fcmd[i] - 0x40;
5382 IObuff[i] = 0;
5383 return IObuff;
5384 }
5385
5386 static int
5387 uc_scan_attr(attr, len, argt, def, flags, compl, compl_arg)
5388 char_u *attr;
5389 size_t len;
5390 long *argt;
5391 long *def;
5392 int *flags;
5393 int *compl;
5394 char_u **compl_arg;
5395 {
5396 char_u *p;
5397
5398 if (len == 0)
5399 {
5400 EMSG(_("E175: No attribute specified"));
5401 return FAIL;
5402 }
5403
5404 /* First, try the simple attributes (no arguments) */
5405 if (STRNICMP(attr, "bang", len) == 0)
5406 *argt |= BANG;
5407 else if (STRNICMP(attr, "buffer", len) == 0)
5408 *flags |= UC_BUFFER;
5409 else if (STRNICMP(attr, "register", len) == 0)
5410 *argt |= REGSTR;
5411 else if (STRNICMP(attr, "bar", len) == 0)
5412 *argt |= TRLBAR;
5413 else
5414 {
5415 int i;
5416 char_u *val = NULL;
5417 size_t vallen = 0;
5418 size_t attrlen = len;
5419
5420 /* Look for the attribute name - which is the part before any '=' */
5421 for (i = 0; i < (int)len; ++i)
5422 {
5423 if (attr[i] == '=')
5424 {
5425 val = &attr[i + 1];
5426 vallen = len - i - 1;
5427 attrlen = i;
5428 break;
5429 }
5430 }
5431
5432 if (STRNICMP(attr, "nargs", attrlen) == 0)
5433 {
5434 if (vallen == 1)
5435 {
5436 if (*val == '0')
5437 /* Do nothing - this is the default */;
5438 else if (*val == '1')
5439 *argt |= (EXTRA | NOSPC | NEEDARG);
5440 else if (*val == '*')
5441 *argt |= EXTRA;
5442 else if (*val == '?')
5443 *argt |= (EXTRA | NOSPC);
5444 else if (*val == '+')
5445 *argt |= (EXTRA | NEEDARG);
5446 else
5447 goto wrong_nargs;
5448 }
5449 else
5450 {
5451 wrong_nargs:
5452 EMSG(_("E176: Invalid number of arguments"));
5453 return FAIL;
5454 }
5455 }
5456 else if (STRNICMP(attr, "range", attrlen) == 0)
5457 {
5458 *argt |= RANGE;
5459 if (vallen == 1 && *val == '%')
5460 *argt |= DFLALL;
5461 else if (val != NULL)
5462 {
5463 p = val;
5464 if (*def >= 0)
5465 {
5466 two_count:
5467 EMSG(_("E177: Count cannot be specified twice"));
5468 return FAIL;
5469 }
5470
5471 *def = getdigits(&p);
5472 *argt |= (ZEROR | NOTADR);
5473
5474 if (p != val + vallen || vallen == 0)
5475 {
5476 invalid_count:
5477 EMSG(_("E178: Invalid default value for count"));
5478 return FAIL;
5479 }
5480 }
5481 }
5482 else if (STRNICMP(attr, "count", attrlen) == 0)
5483 {
5484 *argt |= (COUNT | ZEROR | RANGE | NOTADR);
5485
5486 if (val != NULL)
5487 {
5488 p = val;
5489 if (*def >= 0)
5490 goto two_count;
5491
5492 *def = getdigits(&p);
5493
5494 if (p != val + vallen)
5495 goto invalid_count;
5496 }
5497
5498 if (*def < 0)
5499 *def = 0;
5500 }
5501 else if (STRNICMP(attr, "complete", attrlen) == 0)
5502 {
5503 if (val == NULL)
5504 {
5505 EMSG(_("E179: argument required for -complete"));
5506 return FAIL;
5507 }
5508
5509 if (parse_compl_arg(val, (int)vallen, compl, argt, compl_arg)
5510 == FAIL)
5511 return FAIL;
5512 }
5513 else
5514 {
5515 char_u ch = attr[len];
5516 attr[len] = '\0';
5517 EMSG2(_("E181: Invalid attribute: %s"), attr);
5518 attr[len] = ch;
5519 return FAIL;
5520 }
5521 }
5522
5523 return OK;
5524 }
5525
5526 /*
5527 * ":command ..."
5528 */
5529 static void
5530 ex_command(eap)
5531 exarg_T *eap;
5532 {
5533 char_u *name;
5534 char_u *end;
5535 char_u *p;
5536 long argt = 0;
5537 long def = -1;
5538 int flags = 0;
5539 int compl = EXPAND_NOTHING;
5540 char_u *compl_arg = NULL;
5541 int has_attr = (eap->arg[0] == '-');
5542
5543 p = eap->arg;
5544
5545 /* Check for attributes */
5546 while (*p == '-')
5547 {
5548 ++p;
5549 end = skiptowhite(p);
5550 if (uc_scan_attr(p, end - p, &argt, &def, &flags, &compl, &compl_arg)
5551 == FAIL)
5552 return;
5553 p = skipwhite(end);
5554 }
5555
5556 /* Get the name (if any) and skip to the following argument */
5557 name = p;
5558 if (ASCII_ISALPHA(*p))
5559 while (ASCII_ISALNUM(*p))
5560 ++p;
5561 if (!ends_excmd(*p) && !vim_iswhite(*p))
5562 {
5563 EMSG(_("E182: Invalid command name"));
5564 return;
5565 }
5566 end = p;
5567
5568 /* If there is nothing after the name, and no attributes were specified,
5569 * we are listing commands
5570 */
5571 p = skipwhite(end);
5572 if (!has_attr && ends_excmd(*p))
5573 {
5574 uc_list(name, end - name);
5575 }
5576 else if (!ASCII_ISUPPER(*name))
5577 {
5578 EMSG(_("E183: User defined commands must start with an uppercase letter"));
5579 return;
5580 }
5581 else
5582 uc_add_command(name, end - name, p, argt, def, flags, compl, compl_arg,
5583 eap->forceit);
5584 }
5585
5586 /*
5587 * ":comclear"
5588 * Clear all user commands, global and for current buffer.
5589 */
5590 void
5591 ex_comclear(eap)
5592 exarg_T *eap UNUSED;
5593 {
5594 uc_clear(&ucmds);
5595 uc_clear(&curbuf->b_ucmds);
5596 }
5597
5598 /*
5599 * Clear all user commands for "gap".
5600 */
5601 void
5602 uc_clear(gap)
5603 garray_T *gap;
5604 {
5605 int i;
5606 ucmd_T *cmd;
5607
5608 for (i = 0; i < gap->ga_len; ++i)
5609 {
5610 cmd = USER_CMD_GA(gap, i);
5611 vim_free(cmd->uc_name);
5612 vim_free(cmd->uc_rep);
5613 # if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL)
5614 vim_free(cmd->uc_compl_arg);
5615 # endif
5616 }
5617 ga_clear(gap);
5618 }
5619
5620 static void
5621 ex_delcommand(eap)
5622 exarg_T *eap;
5623 {
5624 int i = 0;
5625 ucmd_T *cmd = NULL;
5626 int cmp = -1;
5627 garray_T *gap;
5628
5629 gap = &curbuf->b_ucmds;
5630 for (;;)
5631 {
5632 for (i = 0; i < gap->ga_len; ++i)
5633 {
5634 cmd = USER_CMD_GA(gap, i);
5635 cmp = STRCMP(eap->arg, cmd->uc_name);
5636 if (cmp <= 0)
5637 break;
5638 }
5639 if (gap == &ucmds || cmp == 0)
5640 break;
5641 gap = &ucmds;
5642 }
5643
5644 if (cmp != 0)
5645 {
5646 EMSG2(_("E184: No such user-defined command: %s"), eap->arg);
5647 return;
5648 }
5649
5650 vim_free(cmd->uc_name);
5651 vim_free(cmd->uc_rep);
5652 # if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL)
5653 vim_free(cmd->uc_compl_arg);
5654 # endif
5655
5656 --gap->ga_len;
5657
5658 if (i < gap->ga_len)
5659 mch_memmove(cmd, cmd + 1, (gap->ga_len - i) * sizeof(ucmd_T));
5660 }
5661
5662 /*
5663 * split and quote args for <f-args>
5664 */
5665 static char_u *
5666 uc_split_args(arg, lenp)
5667 char_u *arg;
5668 size_t *lenp;
5669 {
5670 char_u *buf;
5671 char_u *p;
5672 char_u *q;
5673 int len;
5674
5675 /* Precalculate length */
5676 p = arg;
5677 len = 2; /* Initial and final quotes */
5678
5679 while (*p)
5680 {
5681 if (p[0] == '\\' && p[1] == '\\')
5682 {
5683 len += 2;
5684 p += 2;
5685 }
5686 else if (p[0] == '\\' && vim_iswhite(p[1]))
5687 {
5688 len += 1;
5689 p += 2;
5690 }
5691 else if (*p == '\\' || *p == '"')
5692 {
5693 len += 2;
5694 p += 1;
5695 }
5696 else if (vim_iswhite(*p))
5697 {
5698 p = skipwhite(p);
5699 if (*p == NUL)
5700 break;
5701 len += 3; /* "," */
5702 }
5703 else
5704 {
5705 ++len;
5706 ++p;
5707 }
5708 }
5709
5710 buf = alloc(len + 1);
5711 if (buf == NULL)
5712 {
5713 *lenp = 0;
5714 return buf;
5715 }
5716
5717 p = arg;
5718 q = buf;
5719 *q++ = '"';
5720 while (*p)
5721 {
5722 if (p[0] == '\\' && p[1] == '\\')
5723 {
5724 *q++ = '\\';
5725 *q++ = '\\';
5726 p += 2;
5727 }
5728 else if (p[0] == '\\' && vim_iswhite(p[1]))
5729 {
5730 *q++ = p[1];
5731 p += 2;
5732 }
5733 else if (*p == '\\' || *p == '"')
5734 {
5735 *q++ = '\\';
5736 *q++ = *p++;
5737 }
5738 else if (vim_iswhite(*p))
5739 {
5740 p = skipwhite(p);
5741 if (*p == NUL)
5742 break;
5743 *q++ = '"';
5744 *q++ = ',';
5745 *q++ = '"';
5746 }
5747 else
5748 {
5749 *q++ = *p++;
5750 }
5751 }
5752 *q++ = '"';
5753 *q = 0;
5754
5755 *lenp = len;
5756 return buf;
5757 }
5758
5759 /*
5760 * Check for a <> code in a user command.
5761 * "code" points to the '<'. "len" the length of the <> (inclusive).
5762 * "buf" is where the result is to be added.
5763 * "split_buf" points to a buffer used for splitting, caller should free it.
5764 * "split_len" is the length of what "split_buf" contains.
5765 * Returns the length of the replacement, which has been added to "buf".
5766 * Returns -1 if there was no match, and only the "<" has been copied.
5767 */
5768 static size_t
5769 uc_check_code(code, len, buf, cmd, eap, split_buf, split_len)
5770 char_u *code;
5771 size_t len;
5772 char_u *buf;
5773 ucmd_T *cmd; /* the user command we're expanding */
5774 exarg_T *eap; /* ex arguments */
5775 char_u **split_buf;
5776 size_t *split_len;
5777 {
5778 size_t result = 0;
5779 char_u *p = code + 1;
5780 size_t l = len - 2;
5781 int quote = 0;
5782 enum { ct_ARGS, ct_BANG, ct_COUNT, ct_LINE1, ct_LINE2, ct_REGISTER,
5783 ct_LT, ct_NONE } type = ct_NONE;
5784
5785 if ((vim_strchr((char_u *)"qQfF", *p) != NULL) && p[1] == '-')
5786 {
5787 quote = (*p == 'q' || *p == 'Q') ? 1 : 2;
5788 p += 2;
5789 l -= 2;
5790 }
5791
5792 ++l;
5793 if (l <= 1)
5794 type = ct_NONE;
5795 else if (STRNICMP(p, "args>", l) == 0)
5796 type = ct_ARGS;
5797 else if (STRNICMP(p, "bang>", l) == 0)
5798 type = ct_BANG;
5799 else if (STRNICMP(p, "count>", l) == 0)
5800 type = ct_COUNT;
5801 else if (STRNICMP(p, "line1>", l) == 0)
5802 type = ct_LINE1;
5803 else if (STRNICMP(p, "line2>", l) == 0)
5804 type = ct_LINE2;
5805 else if (STRNICMP(p, "lt>", l) == 0)
5806 type = ct_LT;
5807 else if (STRNICMP(p, "reg>", l) == 0 || STRNICMP(p, "register>", l) == 0)
5808 type = ct_REGISTER;
5809
5810 switch (type)
5811 {
5812 case ct_ARGS:
5813 /* Simple case first */
5814 if (*eap->arg == NUL)
5815 {
5816 if (quote == 1)
5817 {
5818 result = 2;
5819 if (buf != NULL)
5820 STRCPY(buf, "''");
5821 }
5822 else
5823 result = 0;
5824 break;
5825 }
5826
5827 /* When specified there is a single argument don't split it.
5828 * Works for ":Cmd %" when % is "a b c". */
5829 if ((eap->argt & NOSPC) && quote == 2)
5830 quote = 1;
5831
5832 switch (quote)
5833 {
5834 case 0: /* No quoting, no splitting */
5835 result = STRLEN(eap->arg);
5836 if (buf != NULL)
5837 STRCPY(buf, eap->arg);
5838 break;
5839 case 1: /* Quote, but don't split */
5840 result = STRLEN(eap->arg) + 2;
5841 for (p = eap->arg; *p; ++p)
5842 {
5843 if (*p == '\\' || *p == '"')
5844 ++result;
5845 }
5846
5847 if (buf != NULL)
5848 {
5849 *buf++ = '"';
5850 for (p = eap->arg; *p; ++p)
5851 {
5852 if (*p == '\\' || *p == '"')
5853 *buf++ = '\\';
5854 *buf++ = *p;
5855 }
5856 *buf = '"';
5857 }
5858
5859 break;
5860 case 2: /* Quote and split (<f-args>) */
5861 /* This is hard, so only do it once, and cache the result */
5862 if (*split_buf == NULL)
5863 *split_buf = uc_split_args(eap->arg, split_len);
5864
5865 result = *split_len;
5866 if (buf != NULL && result != 0)
5867 STRCPY(buf, *split_buf);
5868
5869 break;
5870 }
5871 break;
5872
5873 case ct_BANG:
5874 result = eap->forceit ? 1 : 0;
5875 if (quote)
5876 result += 2;
5877 if (buf != NULL)
5878 {
5879 if (quote)
5880 *buf++ = '"';
5881 if (eap->forceit)
5882 *buf++ = '!';
5883 if (quote)
5884 *buf = '"';
5885 }
5886 break;
5887
5888 case ct_LINE1:
5889 case ct_LINE2:
5890 case ct_COUNT:
5891 {
5892 char num_buf[20];
5893 long num = (type == ct_LINE1) ? eap->line1 :
5894 (type == ct_LINE2) ? eap->line2 :
5895 (eap->addr_count > 0) ? eap->line2 : cmd->uc_def;
5896 size_t num_len;
5897
5898 sprintf(num_buf, "%ld", num);
5899 num_len = STRLEN(num_buf);
5900 result = num_len;
5901
5902 if (quote)
5903 result += 2;
5904
5905 if (buf != NULL)
5906 {
5907 if (quote)
5908 *buf++ = '"';
5909 STRCPY(buf, num_buf);
5910 buf += num_len;
5911 if (quote)
5912 *buf = '"';
5913 }
5914
5915 break;
5916 }
5917
5918 case ct_REGISTER:
5919 result = eap->regname ? 1 : 0;
5920 if (quote)
5921 result += 2;
5922 if (buf != NULL)
5923 {
5924 if (quote)
5925 *buf++ = '\'';
5926 if (eap->regname)
5927 *buf++ = eap->regname;
5928 if (quote)
5929 *buf = '\'';
5930 }
5931 break;
5932
5933 case ct_LT:
5934 result = 1;
5935 if (buf != NULL)
5936 *buf = '<';
5937 break;
5938
5939 default:
5940 /* Not recognized: just copy the '<' and return -1. */
5941 result = (size_t)-1;
5942 if (buf != NULL)
5943 *buf = '<';
5944 break;
5945 }
5946
5947 return result;
5948 }
5949
5950 static void
5951 do_ucmd(eap)
5952 exarg_T *eap;
5953 {
5954 char_u *buf;
5955 char_u *p;
5956 char_u *q;
5957
5958 char_u *start;
5959 char_u *end = NULL;
5960 char_u *ksp;
5961 size_t len, totlen;
5962
5963 size_t split_len = 0;
5964 char_u *split_buf = NULL;
5965 ucmd_T *cmd;
5966 #ifdef FEAT_EVAL
5967 scid_T save_current_SID = current_SID;
5968 #endif
5969
5970 if (eap->cmdidx == CMD_USER)
5971 cmd = USER_CMD(eap->useridx);
5972 else
5973 cmd = USER_CMD_GA(&curbuf->b_ucmds, eap->useridx);
5974
5975 /*
5976 * Replace <> in the command by the arguments.
5977 * First round: "buf" is NULL, compute length, allocate "buf".
5978 * Second round: copy result into "buf".
5979 */
5980 buf = NULL;
5981 for (;;)
5982 {
5983 p = cmd->uc_rep; /* source */
5984 q = buf; /* destination */
5985 totlen = 0;
5986
5987 for (;;)
5988 {
5989 start = vim_strchr(p, '<');
5990 if (start != NULL)
5991 end = vim_strchr(start + 1, '>');
5992 if (buf != NULL)
5993 {
5994 ksp = vim_strchr(p, K_SPECIAL);
5995 if (ksp != NULL && (start == NULL || ksp < start || end == NULL)
5996 && ((ksp[1] == KS_SPECIAL && ksp[2] == KE_FILLER)
5997 # ifdef FEAT_GUI
5998 || (ksp[1] == KS_EXTRA && ksp[2] == (int)KE_CSI)
5999 # endif
6000 ))
6001 {
6002 /* K_SPECIAL han been put in the buffer as K_SPECIAL
6003 * KS_SPECIAL KE_FILLER, like for mappings, but
6004 * do_cmdline() doesn't handle that, so convert it back.
6005 * Also change K_SPECIAL KS_EXTRA KE_CSI into CSI. */
6006 len = ksp - p;
6007 if (len > 0)
6008 {
6009 mch_memmove(q, p, len);
6010 q += len;
6011 }
6012 *q++ = ksp[1] == KS_SPECIAL ? K_SPECIAL : CSI;
6013 p = ksp + 3;
6014 continue;
6015 }
6016 }
6017
6018 /* break if there no <item> is found */
6019 if (start == NULL || end == NULL)
6020 break;
6021
6022 /* Include the '>' */
6023 ++end;
6024
6025 /* Take everything up to the '<' */
6026 len = start - p;
6027 if (buf == NULL)
6028 totlen += len;
6029 else
6030 {
6031 mch_memmove(q, p, len);
6032 q += len;
6033 }
6034
6035 len = uc_check_code(start, end - start, q, cmd, eap,
6036 &split_buf, &split_len);
6037 if (len == (size_t)-1)
6038 {
6039 /* no match, continue after '<' */
6040 p = start + 1;
6041 len = 1;
6042 }
6043 else
6044 p = end;
6045 if (buf == NULL)
6046 totlen += len;
6047 else
6048 q += len;
6049 }
6050 if (buf != NULL) /* second time here, finished */
6051 {
6052 STRCPY(q, p);
6053 break;
6054 }
6055
6056 totlen += STRLEN(p); /* Add on the trailing characters */
6057 buf = alloc((unsigned)(totlen + 1));
6058 if (buf == NULL)
6059 {
6060 vim_free(split_buf);
6061 return;
6062 }
6063 }
6064
6065 #ifdef FEAT_EVAL
6066 current_SID = cmd->uc_scriptID;
6067 #endif
6068 (void)do_cmdline(buf, eap->getline, eap->cookie,
6069 DOCMD_VERBOSE|DOCMD_NOWAIT|DOCMD_KEYTYPED);
6070 #ifdef FEAT_EVAL
6071 current_SID = save_current_SID;
6072 #endif
6073 vim_free(buf);
6074 vim_free(split_buf);
6075 }
6076
6077 # if defined(FEAT_CMDL_COMPL) || defined(PROTO)
6078 static char_u *
6079 get_user_command_name(idx)
6080 int idx;
6081 {
6082 return get_user_commands(NULL, idx - (int)CMD_SIZE);
6083 }
6084
6085 /*
6086 * Function given to ExpandGeneric() to obtain the list of user command names.
6087 */
6088 char_u *
6089 get_user_commands(xp, idx)
6090 expand_T *xp UNUSED;
6091 int idx;
6092 {
6093 if (idx < curbuf->b_ucmds.ga_len)
6094 return USER_CMD_GA(&curbuf->b_ucmds, idx)->uc_name;
6095 idx -= curbuf->b_ucmds.ga_len;
6096 if (idx < ucmds.ga_len)
6097 return USER_CMD(idx)->uc_name;
6098 return NULL;
6099 }
6100
6101 /*
6102 * Function given to ExpandGeneric() to obtain the list of user command
6103 * attributes.
6104 */
6105 char_u *
6106 get_user_cmd_flags(xp, idx)
6107 expand_T *xp UNUSED;
6108 int idx;
6109 {
6110 static char *user_cmd_flags[] =
6111 {"bang", "bar", "buffer", "complete", "count",
6112 "nargs", "range", "register"};
6113
6114 if (idx >= (int)(sizeof(user_cmd_flags) / sizeof(user_cmd_flags[0])))
6115 return NULL;
6116 return (char_u *)user_cmd_flags[idx];
6117 }
6118
6119 /*
6120 * Function given to ExpandGeneric() to obtain the list of values for -nargs.
6121 */
6122 char_u *
6123 get_user_cmd_nargs(xp, idx)
6124 expand_T *xp UNUSED;
6125 int idx;
6126 {
6127 static char *user_cmd_nargs[] = {"0", "1", "*", "?", "+"};
6128
6129 if (idx >= (int)(sizeof(user_cmd_nargs) / sizeof(user_cmd_nargs[0])))
6130 return NULL;
6131 return (char_u *)user_cmd_nargs[idx];
6132 }
6133
6134 /*
6135 * Function given to ExpandGeneric() to obtain the list of values for -complete.
6136 */
6137 char_u *
6138 get_user_cmd_complete(xp, idx)
6139 expand_T *xp UNUSED;
6140 int idx;
6141 {
6142 return (char_u *)command_complete[idx].name;
6143 }
6144 # endif /* FEAT_CMDL_COMPL */
6145
6146 #endif /* FEAT_USR_CMDS */
6147
6148 #if defined(FEAT_USR_CMDS) || defined(FEAT_EVAL) || defined(PROTO)
6149 /*
6150 * Parse a completion argument "value[vallen]".
6151 * The detected completion goes in "*complp", argument type in "*argt".
6152 * When there is an argument, for function and user defined completion, it's
6153 * copied to allocated memory and stored in "*compl_arg".
6154 * Returns FAIL if something is wrong.
6155 */
6156 int
6157 parse_compl_arg(value, vallen, complp, argt, compl_arg)
6158 char_u *value;
6159 int vallen;
6160 int *complp;
6161 long *argt;
6162 char_u **compl_arg;
6163 {
6164 char_u *arg = NULL;
6165 size_t arglen = 0;
6166 int i;
6167 int valend = vallen;
6168
6169 /* Look for any argument part - which is the part after any ',' */
6170 for (i = 0; i < vallen; ++i)
6171 {
6172 if (value[i] == ',')
6173 {
6174 arg = &value[i + 1];
6175 arglen = vallen - i - 1;
6176 valend = i;
6177 break;
6178 }
6179 }
6180
6181 for (i = 0; command_complete[i].expand != 0; ++i)
6182 {
6183 if ((int)STRLEN(command_complete[i].name) == valend
6184 && STRNCMP(value, command_complete[i].name, valend) == 0)
6185 {
6186 *complp = command_complete[i].expand;
6187 if (command_complete[i].expand == EXPAND_BUFFERS)
6188 *argt |= BUFNAME;
6189 else if (command_complete[i].expand == EXPAND_DIRECTORIES
6190 || command_complete[i].expand == EXPAND_FILES)
6191 *argt |= XFILE;
6192 break;
6193 }
6194 }
6195
6196 if (command_complete[i].expand == 0)
6197 {
6198 EMSG2(_("E180: Invalid complete value: %s"), value);
6199 return FAIL;
6200 }
6201
6202 # if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL)
6203 if (*complp != EXPAND_USER_DEFINED && *complp != EXPAND_USER_LIST
6204 && arg != NULL)
6205 # else
6206 if (arg != NULL)
6207 # endif
6208 {
6209 EMSG(_("E468: Completion argument only allowed for custom completion"));
6210 return FAIL;
6211 }
6212
6213 # if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL)
6214 if ((*complp == EXPAND_USER_DEFINED || *complp == EXPAND_USER_LIST)
6215 && arg == NULL)
6216 {
6217 EMSG(_("E467: Custom completion requires a function argument"));
6218 return FAIL;
6219 }
6220
6221 if (arg != NULL)
6222 *compl_arg = vim_strnsave(arg, (int)arglen);
6223 # endif
6224 return OK;
6225 }
6226 #endif
6227
6228 static void
6229 ex_colorscheme(eap)
6230 exarg_T *eap;
6231 {
6232 if (load_colors(eap->arg) == FAIL)
6233 EMSG2(_("E185: Cannot find color scheme %s"), eap->arg);
6234 }
6235
6236 static void
6237 ex_highlight(eap)
6238 exarg_T *eap;
6239 {
6240 if (*eap->arg == NUL && eap->cmd[2] == '!')
6241 MSG(_("Greetings, Vim user!"));
6242 do_highlight(eap->arg, eap->forceit, FALSE);
6243 }
6244
6245
6246 /*
6247 * Call this function if we thought we were going to exit, but we won't
6248 * (because of an error). May need to restore the terminal mode.
6249 */
6250 void
6251 not_exiting()
6252 {
6253 exiting = FALSE;
6254 settmode(TMODE_RAW);
6255 }
6256
6257 /*
6258 * ":quit": quit current window, quit Vim if closed the last window.
6259 */
6260 static void
6261 ex_quit(eap)
6262 exarg_T *eap;
6263 {
6264 #ifdef FEAT_CMDWIN
6265 if (cmdwin_type != 0)
6266 {
6267 cmdwin_result = Ctrl_C;
6268 return;
6269 }
6270 #endif
6271 /* Don't quit while editing the command line. */
6272 if (text_locked())
6273 {
6274 text_locked_msg();
6275 return;
6276 }
6277 #ifdef FEAT_AUTOCMD
6278 if (curbuf_locked())
6279 return;
6280 #endif
6281
6282 #ifdef FEAT_NETBEANS_INTG
6283 netbeansForcedQuit = eap->forceit;
6284 #endif
6285
6286 /*
6287 * If there are more files or windows we won't exit.
6288 */
6289 if (check_more(FALSE, eap->forceit) == OK && only_one_window())
6290 exiting = TRUE;
6291 if ((!P_HID(curbuf)
6292 && check_changed(curbuf, p_awa, FALSE, eap->forceit, FALSE))
6293 || check_more(TRUE, eap->forceit) == FAIL
6294 || (only_one_window() && check_changed_any(eap->forceit)))
6295 {
6296 not_exiting();
6297 }
6298 else
6299 {
6300 #ifdef FEAT_WINDOWS
6301 if (only_one_window()) /* quit last window */
6302 #endif
6303 getout(0);
6304 #ifdef FEAT_WINDOWS
6305 # ifdef FEAT_GUI
6306 need_mouse_correct = TRUE;
6307 # endif
6308 /* close window; may free buffer */
6309 win_close(curwin, !P_HID(curwin->w_buffer) || eap->forceit);
6310 #endif
6311 }
6312 }
6313
6314 /*
6315 * ":cquit".
6316 */
6317 static void
6318 ex_cquit(eap)
6319 exarg_T *eap UNUSED;
6320 {
6321 getout(1); /* this does not always pass on the exit code to the Manx
6322 compiler. why? */
6323 }
6324
6325 /*
6326 * ":qall": try to quit all windows
6327 */
6328 static void
6329 ex_quit_all(eap)
6330 exarg_T *eap;
6331 {
6332 # ifdef FEAT_CMDWIN
6333 if (cmdwin_type != 0)
6334 {
6335 if (eap->forceit)
6336 cmdwin_result = K_XF1; /* ex_window() takes care of this */
6337 else
6338 cmdwin_result = K_XF2;
6339 return;
6340 }
6341 # endif
6342
6343 /* Don't quit while editing the command line. */
6344 if (text_locked())
6345 {
6346 text_locked_msg();
6347 return;
6348 }
6349 #ifdef FEAT_AUTOCMD
6350 if (curbuf_locked())
6351 return;
6352 #endif
6353
6354 exiting = TRUE;
6355 if (eap->forceit || !check_changed_any(FALSE))
6356 getout(0);
6357 not_exiting();
6358 }
6359
6360 #if defined(FEAT_WINDOWS) || defined(PROTO)
6361 /*
6362 * ":close": close current window, unless it is the last one
6363 */
6364 static void
6365 ex_close(eap)
6366 exarg_T *eap;
6367 {
6368 # ifdef FEAT_CMDWIN
6369 if (cmdwin_type != 0)
6370 cmdwin_result = K_IGNORE;
6371 else
6372 # endif
6373 if (!text_locked()
6374 #ifdef FEAT_AUTOCMD
6375 && !curbuf_locked()
6376 #endif
6377 )
6378 ex_win_close(eap->forceit, curwin, NULL);
6379 }
6380
6381 # ifdef FEAT_QUICKFIX
6382 /*
6383 * ":pclose": Close any preview window.
6384 */
6385 static void
6386 ex_pclose(eap)
6387 exarg_T *eap;
6388 {
6389 win_T *win;
6390
6391 for (win = firstwin; win != NULL; win = win->w_next)
6392 if (win->w_p_pvw)
6393 {
6394 ex_win_close(eap->forceit, win, NULL);
6395 break;
6396 }
6397 }
6398 # endif
6399
6400 /*
6401 * Close window "win" and take care of handling closing the last window for a
6402 * modified buffer.
6403 */
6404 static void
6405 ex_win_close(forceit, win, tp)
6406 int forceit;
6407 win_T *win;
6408 tabpage_T *tp; /* NULL or the tab page "win" is in */
6409 {
6410 int need_hide;
6411 buf_T *buf = win->w_buffer;
6412
6413 need_hide = (bufIsChanged(buf) && buf->b_nwindows <= 1);
6414 if (need_hide && !P_HID(buf) && !forceit)
6415 {
6416 # if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG)
6417 if ((p_confirm || cmdmod.confirm) && p_write)
6418 {
6419 dialog_changed(buf, FALSE);
6420 if (buf_valid(buf) && bufIsChanged(buf))
6421 return;
6422 need_hide = FALSE;
6423 }
6424 else
6425 # endif
6426 {
6427 EMSG(_(e_nowrtmsg));
6428 return;
6429 }
6430 }
6431
6432 # ifdef FEAT_GUI
6433 need_mouse_correct = TRUE;
6434 # endif
6435
6436 /* free buffer when not hiding it or when it's a scratch buffer */
6437 if (tp == NULL)
6438 win_close(win, !need_hide && !P_HID(buf));
6439 else
6440 win_close_othertab(win, !need_hide && !P_HID(buf), tp);
6441 }
6442
6443 /*
6444 * ":tabclose": close current tab page, unless it is the last one.
6445 * ":tabclose N": close tab page N.
6446 */
6447 static void
6448 ex_tabclose(eap)
6449 exarg_T *eap;
6450 {
6451 tabpage_T *tp;
6452
6453 # ifdef FEAT_CMDWIN
6454 if (cmdwin_type != 0)
6455 cmdwin_result = K_IGNORE;
6456 else
6457 # endif
6458 if (first_tabpage->tp_next == NULL)
6459 EMSG(_("E784: Cannot close last tab page"));
6460 else
6461 {
6462 if (eap->addr_count > 0)
6463 {
6464 tp = find_tabpage((int)eap->line2);
6465 if (tp == NULL)
6466 {
6467 beep_flush();
6468 return;
6469 }
6470 if (tp != curtab)
6471 {
6472 tabpage_close_other(tp, eap->forceit);
6473 return;
6474 }
6475 }
6476 if (!text_locked()
6477 #ifdef FEAT_AUTOCMD
6478 && !curbuf_locked()
6479 #endif
6480 )
6481 tabpage_close(eap->forceit);
6482 }
6483 }
6484
6485 /*
6486 * ":tabonly": close all tab pages except the current one
6487 */
6488 static void
6489 ex_tabonly(eap)
6490 exarg_T *eap;
6491 {
6492 tabpage_T *tp;
6493 int done;
6494
6495 # ifdef FEAT_CMDWIN
6496 if (cmdwin_type != 0)
6497 cmdwin_result = K_IGNORE;
6498 else
6499 # endif
6500 if (first_tabpage->tp_next == NULL)
6501 MSG(_("Already only one tab page"));
6502 else
6503 {
6504 /* Repeat this up to a 1000 times, because autocommands may mess
6505 * up the lists. */
6506 for (done = 0; done < 1000; ++done)
6507 {
6508 for (tp = first_tabpage; tp != NULL; tp = tp->tp_next)
6509 if (tp->tp_topframe != topframe)
6510 {
6511 tabpage_close_other(tp, eap->forceit);
6512 /* if we failed to close it quit */
6513 if (valid_tabpage(tp))
6514 done = 1000;
6515 /* start over, "tp" is now invalid */
6516 break;
6517 }
6518 if (first_tabpage->tp_next == NULL)
6519 break;
6520 }
6521 }
6522 }
6523
6524 /*
6525 * Close the current tab page.
6526 */
6527 void
6528 tabpage_close(forceit)
6529 int forceit;
6530 {
6531 /* First close all the windows but the current one. If that worked then
6532 * close the last window in this tab, that will close it. */
6533 if (lastwin != firstwin)
6534 close_others(TRUE, forceit);
6535 if (lastwin == firstwin)
6536 ex_win_close(forceit, curwin, NULL);
6537 # ifdef FEAT_GUI
6538 need_mouse_correct = TRUE;
6539 # endif
6540 }
6541
6542 /*
6543 * Close tab page "tp", which is not the current tab page.
6544 * Note that autocommands may make "tp" invalid.
6545 * Also takes care of the tab pages line disappearing when closing the
6546 * last-but-one tab page.
6547 */
6548 void
6549 tabpage_close_other(tp, forceit)
6550 tabpage_T *tp;
6551 int forceit;
6552 {
6553 int done = 0;
6554 win_T *wp;
6555 int h = tabline_height();
6556
6557 /* Limit to 1000 windows, autocommands may add a window while we close
6558 * one. OK, so I'm paranoid... */
6559 while (++done < 1000)
6560 {
6561 wp = tp->tp_firstwin;
6562 ex_win_close(forceit, wp, tp);
6563
6564 /* Autocommands may delete the tab page under our fingers and we may
6565 * fail to close a window with a modified buffer. */
6566 if (!valid_tabpage(tp) || tp->tp_firstwin == wp)
6567 break;
6568 }
6569
6570 redraw_tabline = TRUE;
6571 if (h != tabline_height())
6572 shell_new_rows();
6573 }
6574
6575 /*
6576 * ":only".
6577 */
6578 static void
6579 ex_only(eap)
6580 exarg_T *eap;
6581 {
6582 # ifdef FEAT_GUI
6583 need_mouse_correct = TRUE;
6584 # endif
6585 close_others(TRUE, eap->forceit);
6586 }
6587
6588 /*
6589 * ":all" and ":sall".
6590 * Also used for ":tab drop file ..." after setting the argument list.
6591 */
6592 void
6593 ex_all(eap)
6594 exarg_T *eap;
6595 {
6596 if (eap->addr_count == 0)
6597 eap->line2 = 9999;
6598 do_arg_all((int)eap->line2, eap->forceit, eap->cmdidx == CMD_drop);
6599 }
6600 #endif /* FEAT_WINDOWS */
6601
6602 static void
6603 ex_hide(eap)
6604 exarg_T *eap;
6605 {
6606 if (*eap->arg != NUL && check_nextcmd(eap->arg) == NULL)
6607 eap->errmsg = e_invarg;
6608 else
6609 {
6610 /* ":hide" or ":hide | cmd": hide current window */
6611 eap->nextcmd = check_nextcmd(eap->arg);
6612 #ifdef FEAT_WINDOWS
6613 if (!eap->skip)
6614 {
6615 # ifdef FEAT_GUI
6616 need_mouse_correct = TRUE;
6617 # endif
6618 win_close(curwin, FALSE); /* don't free buffer */
6619 }
6620 #endif
6621 }
6622 }
6623
6624 /*
6625 * ":stop" and ":suspend": Suspend Vim.
6626 */
6627 static void
6628 ex_stop(eap)
6629 exarg_T *eap;
6630 {
6631 /*
6632 * Disallow suspending for "rvim".
6633 */
6634 if (!check_restricted()
6635 #ifdef WIN3264
6636 /*
6637 * Check if external commands are allowed now.
6638 */
6639 && can_end_termcap_mode(TRUE)
6640 #endif
6641 )
6642 {
6643 if (!eap->forceit)
6644 autowrite_all();
6645 windgoto((int)Rows - 1, 0);
6646 out_char('\n');
6647 out_flush();
6648 stoptermcap();
6649 out_flush(); /* needed for SUN to restore xterm buffer */
6650 #ifdef FEAT_TITLE
6651 mch_restore_title(3); /* restore window titles */
6652 #endif
6653 ui_suspend(); /* call machine specific function */
6654 #ifdef FEAT_TITLE
6655 maketitle();
6656 resettitle(); /* force updating the title */
6657 #endif
6658 starttermcap();
6659 scroll_start(); /* scroll screen before redrawing */
6660 redraw_later_clear();
6661 shell_resized(); /* may have resized window */
6662 }
6663 }
6664
6665 /*
6666 * ":exit", ":xit" and ":wq": Write file and exit Vim.
6667 */
6668 static void
6669 ex_exit(eap)
6670 exarg_T *eap;
6671 {
6672 #ifdef FEAT_CMDWIN
6673 if (cmdwin_type != 0)
6674 {
6675 cmdwin_result = Ctrl_C;
6676 return;
6677 }
6678 #endif
6679 /* Don't quit while editing the command line. */
6680 if (text_locked())
6681 {
6682 text_locked_msg();
6683 return;
6684 }
6685 #ifdef FEAT_AUTOCMD
6686 if (curbuf_locked())
6687 return;
6688 #endif
6689
6690 /*
6691 * if more files or windows we won't exit
6692 */
6693 if (check_more(FALSE, eap->forceit) == OK && only_one_window())
6694 exiting = TRUE;
6695 if ( ((eap->cmdidx == CMD_wq
6696 || curbufIsChanged())
6697 && do_write(eap) == FAIL)
6698 || check_more(TRUE, eap->forceit) == FAIL
6699 || (only_one_window() && check_changed_any(eap->forceit)))
6700 {
6701 not_exiting();
6702 }
6703 else
6704 {
6705 #ifdef FEAT_WINDOWS
6706 if (only_one_window()) /* quit last window, exit Vim */
6707 #endif
6708 getout(0);
6709 #ifdef FEAT_WINDOWS
6710 # ifdef FEAT_GUI
6711 need_mouse_correct = TRUE;
6712 # endif
6713 /* quit current window, may free buffer */
6714 win_close(curwin, !P_HID(curwin->w_buffer));
6715 #endif
6716 }
6717 }
6718
6719 /*
6720 * ":print", ":list", ":number".
6721 */
6722 static void
6723 ex_print(eap)
6724 exarg_T *eap;
6725 {
6726 if (curbuf->b_ml.ml_flags & ML_EMPTY)
6727 EMSG(_(e_emptybuf));
6728 else
6729 {
6730 for ( ;!got_int; ui_breakcheck())
6731 {
6732 print_line(eap->line1,
6733 (eap->cmdidx == CMD_number || eap->cmdidx == CMD_pound
6734 || (eap->flags & EXFLAG_NR)),
6735 eap->cmdidx == CMD_list || (eap->flags & EXFLAG_LIST));
6736 if (++eap->line1 > eap->line2)
6737 break;
6738 out_flush(); /* show one line at a time */
6739 }
6740 setpcmark();
6741 /* put cursor at last line */
6742 curwin->w_cursor.lnum = eap->line2;
6743 beginline(BL_SOL | BL_FIX);
6744 }
6745
6746 ex_no_reprint = TRUE;
6747 }
6748
6749 #ifdef FEAT_BYTEOFF
6750 static void
6751 ex_goto(eap)
6752 exarg_T *eap;
6753 {
6754 goto_byte(eap->line2);
6755 }
6756 #endif
6757
6758 /*
6759 * ":shell".
6760 */
6761 static void
6762 ex_shell(eap)
6763 exarg_T *eap UNUSED;
6764 {
6765 do_shell(NULL, 0);
6766 }
6767
6768 #if (defined(FEAT_WINDOWS) && defined(HAVE_DROP_FILE)) \
6769 || (defined(FEAT_GUI_GTK) && defined(FEAT_DND)) \
6770 || defined(FEAT_GUI_MSWIN) \
6771 || defined(FEAT_GUI_MAC) \
6772 || defined(PROTO) \
6773 || defined(FEAT_GUI_MACVIM)
6774
6775 /*
6776 * Handle a file drop. The code is here because a drop is *nearly* like an
6777 * :args command, but not quite (we have a list of exact filenames, so we
6778 * don't want to (a) parse a command line, or (b) expand wildcards. So the
6779 * code is very similar to :args and hence needs access to a lot of the static
6780 * functions in this file.
6781 *
6782 * The list should be allocated using alloc(), as should each item in the
6783 * list. This function takes over responsibility for freeing the list.
6784 *
6785 * XXX The list is made into the argument list. This is freed using
6786 * FreeWild(), which does a series of vim_free() calls, unless the two defines
6787 * __EMX__ and __ALWAYS_HAS_TRAILING_NUL_POINTER are set. In this case, a
6788 * routine _fnexplodefree() is used. This may cause problems, but as the drop
6789 * file functionality is (currently) not in EMX this is not presently a
6790 * problem.
6791 */
6792 void
6793 handle_drop(filec, filev, split)
6794 int filec; /* the number of files dropped */
6795 char_u **filev; /* the list of files dropped */
6796 int split; /* force splitting the window */
6797 {
6798 exarg_T ea;
6799 int save_msg_scroll = msg_scroll;
6800
6801 /* Postpone this while editing the command line. */
6802 if (text_locked())
6803 return;
6804 #ifdef FEAT_AUTOCMD
6805 if (curbuf_locked())
6806 return;
6807 #endif
6808 /* When the screen is being updated we should not change buffers and
6809 * windows structures, it may cause freed memory to be used. */
6810 if (updating_screen)
6811 return;
6812
6813 /* Check whether the current buffer is changed. If so, we will need
6814 * to split the current window or data could be lost.
6815 * We don't need to check if the 'hidden' option is set, as in this
6816 * case the buffer won't be lost.
6817 */
6818 if (!P_HID(curbuf) && !split)
6819 {
6820 ++emsg_off;
6821 split = check_changed(curbuf, TRUE, FALSE, FALSE, FALSE);
6822 --emsg_off;
6823 }
6824 if (split)
6825 {
6826 # ifdef FEAT_WINDOWS
6827 if (win_split(0, 0) == FAIL)
6828 return;
6829 # ifdef FEAT_SCROLLBIND
6830 curwin->w_p_scb = FALSE;
6831 # endif
6832
6833 /* When splitting the window, create a new alist. Otherwise the
6834 * existing one is overwritten. */
6835 alist_unlink(curwin->w_alist);
6836 alist_new();
6837 # else
6838 return; /* can't split, always fail */
6839 # endif
6840 }
6841
6842 /*
6843 * Set up the new argument list.
6844 */
6845 alist_set(ALIST(curwin), filec, filev, FALSE, NULL, 0);
6846
6847 /*
6848 * Move to the first file.
6849 */
6850 /* Fake up a minimal "next" command for do_argfile() */
6851 vim_memset(&ea, 0, sizeof(ea));
6852 ea.cmd = (char_u *)"next";
6853 do_argfile(&ea, 0);
6854
6855 /* do_ecmd() may set need_start_insertmode, but since we never left Insert
6856 * mode that is not needed here. */
6857 need_start_insertmode = FALSE;
6858
6859 /* Restore msg_scroll, otherwise a following command may cause scrolling
6860 * unexpectedly. The screen will be redrawn by the caller, thus
6861 * msg_scroll being set by displaying a message is irrelevant. */
6862 msg_scroll = save_msg_scroll;
6863 }
6864 #endif
6865
6866 /*
6867 * Clear an argument list: free all file names and reset it to zero entries.
6868 */
6869 void
6870 alist_clear(al)
6871 alist_T *al;
6872 {
6873 while (--al->al_ga.ga_len >= 0)
6874 vim_free(AARGLIST(al)[al->al_ga.ga_len].ae_fname);
6875 ga_clear(&al->al_ga);
6876 }
6877
6878 /*
6879 * Init an argument list.
6880 */
6881 void
6882 alist_init(al)
6883 alist_T *al;
6884 {
6885 ga_init2(&al->al_ga, (int)sizeof(aentry_T), 5);
6886 }
6887
6888 #if defined(FEAT_WINDOWS) || defined(PROTO)
6889
6890 /*
6891 * Remove a reference from an argument list.
6892 * Ignored when the argument list is the global one.
6893 * If the argument list is no longer used by any window, free it.
6894 */
6895 void
6896 alist_unlink(al)
6897 alist_T *al;
6898 {
6899 if (al != &global_alist && --al->al_refcount <= 0)
6900 {
6901 alist_clear(al);
6902 vim_free(al);
6903 }
6904 }
6905
6906 # if defined(FEAT_LISTCMDS) || defined(HAVE_DROP_FILE) || defined(PROTO)
6907 /*
6908 * Create a new argument list and use it for the current window.
6909 */
6910 void
6911 alist_new()
6912 {
6913 curwin->w_alist = (alist_T *)alloc((unsigned)sizeof(alist_T));
6914 if (curwin->w_alist == NULL)
6915 {
6916 curwin->w_alist = &global_alist;
6917 ++global_alist.al_refcount;
6918 }
6919 else
6920 {
6921 curwin->w_alist->al_refcount = 1;
6922 alist_init(curwin->w_alist);
6923 }
6924 }
6925 # endif
6926 #endif
6927
6928 #if (!defined(UNIX) && !defined(__EMX__)) || defined(ARCHIE) || defined(PROTO)
6929 /*
6930 * Expand the file names in the global argument list.
6931 * If "fnum_list" is not NULL, use "fnum_list[fnum_len]" as a list of buffer
6932 * numbers to be re-used.
6933 */
6934 void
6935 alist_expand(fnum_list, fnum_len)
6936 int *fnum_list;
6937 int fnum_len;
6938 {
6939 char_u **old_arg_files;
6940 int old_arg_count;
6941 char_u **new_arg_files;
6942 int new_arg_file_count;
6943 char_u *save_p_su = p_su;
6944 int i;
6945
6946 /* Don't use 'suffixes' here. This should work like the shell did the
6947 * expansion. Also, the vimrc file isn't read yet, thus the user
6948 * can't set the options. */
6949 p_su = empty_option;
6950 old_arg_files = (char_u **)alloc((unsigned)(sizeof(char_u *) * GARGCOUNT));
6951 if (old_arg_files != NULL)
6952 {
6953 for (i = 0; i < GARGCOUNT; ++i)
6954 old_arg_files[i] = vim_strsave(GARGLIST[i].ae_fname);
6955 old_arg_count = GARGCOUNT;
6956 if (expand_wildcards(old_arg_count, old_arg_files,
6957 &new_arg_file_count, &new_arg_files,
6958 EW_FILE|EW_NOTFOUND|EW_ADDSLASH) == OK
6959 && new_arg_file_count > 0)
6960 {
6961 alist_set(&global_alist, new_arg_file_count, new_arg_files,
6962 TRUE, fnum_list, fnum_len);
6963 FreeWild(old_arg_count, old_arg_files);
6964 }
6965 }
6966 p_su = save_p_su;
6967 }
6968 #endif
6969
6970 /*
6971 * Set the argument list for the current window.
6972 * Takes over the allocated files[] and the allocated fnames in it.
6973 */
6974 void
6975 alist_set(al, count, files, use_curbuf, fnum_list, fnum_len)
6976 alist_T *al;
6977 int count;
6978 char_u **files;
6979 int use_curbuf;
6980 int *fnum_list;
6981 int fnum_len;
6982 {
6983 int i;
6984
6985 alist_clear(al);
6986 if (ga_grow(&al->al_ga, count) == OK)
6987 {
6988 for (i = 0; i < count; ++i)
6989 {
6990 if (got_int)
6991 {
6992 /* When adding many buffers this can take a long time. Allow
6993 * interrupting here. */
6994 while (i < count)
6995 vim_free(files[i++]);
6996 break;
6997 }
6998
6999 /* May set buffer name of a buffer previously used for the
7000 * argument list, so that it's re-used by alist_add. */
7001 if (fnum_list != NULL && i < fnum_len)
7002 buf_set_name(fnum_list[i], files[i]);
7003
7004 alist_add(al, files[i], use_curbuf ? 2 : 1);
7005 ui_breakcheck();
7006 }
7007 vim_free(files);
7008 }
7009 else
7010 FreeWild(count, files);
7011 #ifdef FEAT_WINDOWS
7012 if (al == &global_alist)
7013 #endif
7014 arg_had_last = FALSE;
7015 }
7016
7017 /*
7018 * Add file "fname" to argument list "al".
7019 * "fname" must have been allocated and "al" must have been checked for room.
7020 */
7021 void
7022 alist_add(al, fname, set_fnum)
7023 alist_T *al;
7024 char_u *fname;
7025 int set_fnum; /* 1: set buffer number; 2: re-use curbuf */
7026 {
7027 if (fname == NULL) /* don't add NULL file names */
7028 return;
7029 #ifdef BACKSLASH_IN_FILENAME
7030 slash_adjust(fname);
7031 #endif
7032 AARGLIST(al)[al->al_ga.ga_len].ae_fname = fname;
7033 if (set_fnum > 0)
7034 AARGLIST(al)[al->al_ga.ga_len].ae_fnum =
7035 buflist_add(fname, BLN_LISTED | (set_fnum == 2 ? BLN_CURBUF : 0));
7036 ++al->al_ga.ga_len;
7037 }
7038
7039 #if defined(BACKSLASH_IN_FILENAME) || defined(PROTO)
7040 /*
7041 * Adjust slashes in file names. Called after 'shellslash' was set.
7042 */
7043 void
7044 alist_slash_adjust()
7045 {
7046 int i;
7047 # ifdef FEAT_WINDOWS
7048 win_T *wp;
7049 tabpage_T *tp;
7050 # endif
7051
7052 for (i = 0; i < GARGCOUNT; ++i)
7053 if (GARGLIST[i].ae_fname != NULL)
7054 slash_adjust(GARGLIST[i].ae_fname);
7055 # ifdef FEAT_WINDOWS
7056 FOR_ALL_TAB_WINDOWS(tp, wp)
7057 if (wp->w_alist != &global_alist)
7058 for (i = 0; i < WARGCOUNT(wp); ++i)
7059 if (WARGLIST(wp)[i].ae_fname != NULL)
7060 slash_adjust(WARGLIST(wp)[i].ae_fname);
7061 # endif
7062 }
7063 #endif
7064
7065 /*
7066 * ":preserve".
7067 */
7068 static void
7069 ex_preserve(eap)
7070 exarg_T *eap UNUSED;
7071 {
7072 curbuf->b_flags |= BF_PRESERVED;
7073 ml_preserve(curbuf, TRUE);
7074 }
7075
7076 /*
7077 * ":recover".
7078 */
7079 static void
7080 ex_recover(eap)
7081 exarg_T *eap;
7082 {
7083 /* Set recoverymode right away to avoid the ATTENTION prompt. */
7084 recoverymode = TRUE;
7085 if (!check_changed(curbuf, p_awa, TRUE, eap->forceit, FALSE)
7086 && (*eap->arg == NUL
7087 || setfname(curbuf, eap->arg, NULL, TRUE) == OK))
7088 ml_recover();
7089 recoverymode = FALSE;
7090 }
7091
7092 /*
7093 * Command modifier used in a wrong way.
7094 */
7095 static void
7096 ex_wrongmodifier(eap)
7097 exarg_T *eap;
7098 {
7099 eap->errmsg = e_invcmd;
7100 }
7101
7102 #ifdef FEAT_WINDOWS
7103 /*
7104 * :sview [+command] file split window with new file, read-only
7105 * :split [[+command] file] split window with current or new file
7106 * :vsplit [[+command] file] split window vertically with current or new file
7107 * :new [[+command] file] split window with no or new file
7108 * :vnew [[+command] file] split vertically window with no or new file
7109 * :sfind [+command] file split window with file in 'path'
7110 *
7111 * :tabedit open new Tab page with empty window
7112 * :tabedit [+command] file open new Tab page and edit "file"
7113 * :tabnew [[+command] file] just like :tabedit
7114 * :tabfind [+command] file open new Tab page and find "file"
7115 */
7116 void
7117 ex_splitview(eap)
7118 exarg_T *eap;
7119 {
7120 win_T *old_curwin = curwin;
7121 # if defined(FEAT_SEARCHPATH) || defined(FEAT_BROWSE)
7122 char_u *fname = NULL;
7123 # endif
7124 # ifdef FEAT_BROWSE
7125 int browse_flag = cmdmod.browse;
7126 # endif
7127
7128 # ifndef FEAT_VERTSPLIT
7129 if (eap->cmdidx == CMD_vsplit || eap->cmdidx == CMD_vnew)
7130 {
7131 ex_ni(eap);
7132 return;
7133 }
7134 # endif
7135
7136 # ifdef FEAT_GUI
7137 need_mouse_correct = TRUE;
7138 # endif
7139
7140 # ifdef FEAT_QUICKFIX
7141 /* A ":split" in the quickfix window works like ":new". Don't want two
7142 * quickfix windows. But it's OK when doing ":tab split". */
7143 if (bt_quickfix(curbuf) && cmdmod.tab == 0)
7144 {
7145 if (eap->cmdidx == CMD_split)
7146 eap->cmdidx = CMD_new;
7147 # ifdef FEAT_VERTSPLIT
7148 if (eap->cmdidx == CMD_vsplit)
7149 eap->cmdidx = CMD_vnew;
7150 # endif
7151 }
7152 # endif
7153
7154 # ifdef FEAT_SEARCHPATH
7155 if (eap->cmdidx == CMD_sfind || eap->cmdidx == CMD_tabfind)
7156 {
7157 fname = find_file_in_path(eap->arg, (int)STRLEN(eap->arg),
7158 FNAME_MESS, TRUE, curbuf->b_ffname);
7159 if (fname == NULL)
7160 goto theend;
7161 eap->arg = fname;
7162 }
7163 # ifdef FEAT_BROWSE
7164 else
7165 # endif
7166 # endif
7167 # ifdef FEAT_BROWSE
7168 if (cmdmod.browse
7169 # ifdef FEAT_VERTSPLIT
7170 && eap->cmdidx != CMD_vnew
7171 # endif
7172 && eap->cmdidx != CMD_new)
7173 {
7174 # ifdef FEAT_AUTOCMD
7175 if (
7176 # ifdef FEAT_GUI
7177 !gui.in_use &&
7178 # endif
7179 au_has_group((char_u *)"FileExplorer"))
7180 {
7181 /* No browsing supported but we do have the file explorer:
7182 * Edit the directory. */
7183 if (*eap->arg == NUL || !mch_isdir(eap->arg))
7184 eap->arg = (char_u *)".";
7185 }
7186 else
7187 # endif
7188 {
7189 fname = do_browse(0, (char_u *)_("Edit File in new window"),
7190 eap->arg, NULL, NULL, NULL, curbuf);
7191 if (fname == NULL)
7192 goto theend;
7193 eap->arg = fname;
7194 }
7195 }
7196 cmdmod.browse = FALSE; /* Don't browse again in do_ecmd(). */
7197 # endif
7198
7199 /*
7200 * Either open new tab page or split the window.
7201 */
7202 if (eap->cmdidx == CMD_tabedit
7203 || eap->cmdidx == CMD_tabfind
7204 || eap->cmdidx == CMD_tabnew)
7205 {
7206 if (win_new_tabpage(cmdmod.tab != 0 ? cmdmod.tab
7207 : eap->addr_count == 0 ? 0
7208 : (int)eap->line2 + 1) != FAIL)
7209 {
7210 do_exedit(eap, old_curwin);
7211
7212 /* set the alternate buffer for the window we came from */
7213 if (curwin != old_curwin
7214 && win_valid(old_curwin)
7215 && old_curwin->w_buffer != curbuf
7216 && !cmdmod.keepalt)
7217 old_curwin->w_alt_fnum = curbuf->b_fnum;
7218 }
7219 }
7220 else if (win_split(eap->addr_count > 0 ? (int)eap->line2 : 0,
7221 *eap->cmd == 'v' ? WSP_VERT : 0) != FAIL)
7222 {
7223 # ifdef FEAT_SCROLLBIND
7224 /* Reset 'scrollbind' when editing another file, but keep it when
7225 * doing ":split" without arguments. */
7226 if (*eap->arg != NUL
7227 # ifdef FEAT_BROWSE
7228 || cmdmod.browse
7229 # endif
7230 )
7231 curwin->w_p_scb = FALSE;
7232 else
7233 do_check_scrollbind(FALSE);
7234 # endif
7235 do_exedit(eap, old_curwin);
7236 }
7237
7238 # ifdef FEAT_BROWSE
7239 cmdmod.browse = browse_flag;
7240 # endif
7241
7242 # if defined(FEAT_SEARCHPATH) || defined(FEAT_BROWSE)
7243 theend:
7244 vim_free(fname);
7245 # endif
7246 }
7247
7248 /*
7249 * Open a new tab page.
7250 */
7251 void
7252 tabpage_new()
7253 {
7254 exarg_T ea;
7255
7256 vim_memset(&ea, 0, sizeof(ea));
7257 ea.cmdidx = CMD_tabnew;
7258 ea.cmd = (char_u *)"tabn";
7259 ea.arg = (char_u *)"";
7260 ex_splitview(&ea);
7261 }
7262
7263 /*
7264 * :tabnext command
7265 */
7266 static void
7267 ex_tabnext(eap)
7268 exarg_T *eap;
7269 {
7270 switch (eap->cmdidx)
7271 {
7272 case CMD_tabfirst:
7273 case CMD_tabrewind:
7274 goto_tabpage(1);
7275 break;
7276 case CMD_tablast:
7277 goto_tabpage(9999);
7278 break;
7279 case CMD_tabprevious:
7280 case CMD_tabNext:
7281 goto_tabpage(eap->addr_count == 0 ? -1 : -(int)eap->line2);
7282 break;
7283 default: /* CMD_tabnext */
7284 goto_tabpage(eap->addr_count == 0 ? 0 : (int)eap->line2);
7285 break;
7286 }
7287 }
7288
7289 /*
7290 * :tabmove command
7291 */
7292 static void
7293 ex_tabmove(eap)
7294 exarg_T *eap;
7295 {
7296 tabpage_move(eap->addr_count == 0 ? 9999 : (int)eap->line2);
7297 }
7298
7299 /*
7300 * :tabs command: List tabs and their contents.
7301 */
7302 static void
7303 ex_tabs(eap)
7304 exarg_T *eap UNUSED;
7305 {
7306 tabpage_T *tp;
7307 win_T *wp;
7308 int tabcount = 1;
7309
7310 msg_start();
7311 msg_scroll = TRUE;
7312 for (tp = first_tabpage; tp != NULL && !got_int; tp = tp->tp_next)
7313 {
7314 msg_putchar('\n');
7315 vim_snprintf((char *)IObuff, IOSIZE, _("Tab page %d"), tabcount++);
7316 msg_outtrans_attr(IObuff, hl_attr(HLF_T));
7317 out_flush(); /* output one line at a time */
7318 ui_breakcheck();
7319
7320 if (tp == curtab)
7321 wp = firstwin;
7322 else
7323 wp = tp->tp_firstwin;
7324 for ( ; wp != NULL && !got_int; wp = wp->w_next)
7325 {
7326 msg_putchar('\n');
7327 msg_putchar(wp == curwin ? '>' : ' ');
7328 msg_putchar(' ');
7329 msg_putchar(bufIsChanged(wp->w_buffer) ? '+' : ' ');
7330 msg_putchar(' ');
7331 if (buf_spname(wp->w_buffer) != NULL)
7332 STRCPY(IObuff, buf_spname(wp->w_buffer));
7333 else
7334 home_replace(wp->w_buffer, wp->w_buffer->b_fname,
7335 IObuff, IOSIZE, TRUE);
7336 msg_outtrans(IObuff);
7337 out_flush(); /* output one line at a time */
7338 ui_breakcheck();
7339 }
7340 }
7341 }
7342
7343 #endif /* FEAT_WINDOWS */
7344
7345 /*
7346 * ":mode": Set screen mode.
7347 * If no argument given, just get the screen size and redraw.
7348 */
7349 static void
7350 ex_mode(eap)
7351 exarg_T *eap;
7352 {
7353 if (*eap->arg == NUL)
7354 shell_resized();
7355 else
7356 mch_screenmode(eap->arg);
7357 }
7358
7359 #ifdef FEAT_WINDOWS
7360 /*
7361 * ":resize".
7362 * set, increment or decrement current window height
7363 */
7364 static void
7365 ex_resize(eap)
7366 exarg_T *eap;
7367 {
7368 int n;
7369 win_T *wp = curwin;
7370
7371 if (eap->addr_count > 0)
7372 {
7373 n = eap->line2;
7374 for (wp = firstwin; wp->w_next != NULL && --n > 0; wp = wp->w_next)
7375 ;
7376 }
7377
7378 #ifdef FEAT_GUI
7379 need_mouse_correct = TRUE;
7380 #endif
7381 n = atol((char *)eap->arg);
7382 #ifdef FEAT_VERTSPLIT
7383 if (cmdmod.split & WSP_VERT)
7384 {
7385 if (*eap->arg == '-' || *eap->arg == '+')
7386 n += W_WIDTH(curwin);
7387 else if (n == 0 && eap->arg[0] == NUL) /* default is very wide */
7388 n = 9999;
7389 win_setwidth_win((int)n, wp);
7390 }
7391 else
7392 #endif
7393 {
7394 if (*eap->arg == '-' || *eap->arg == '+')
7395 n += curwin->w_height;
7396 else if (n == 0 && eap->arg[0] == NUL) /* default is very wide */
7397 n = 9999;
7398 win_setheight_win((int)n, wp);
7399 }
7400 }
7401 #endif
7402
7403 /*
7404 * ":find [+command] <file>" command.
7405 */
7406 static void
7407 ex_find(eap)
7408 exarg_T *eap;
7409 {
7410 #ifdef FEAT_SEARCHPATH
7411 char_u *fname;
7412 int count;
7413
7414 fname = find_file_in_path(eap->arg, (int)STRLEN(eap->arg), FNAME_MESS,
7415 TRUE, curbuf->b_ffname);
7416 if (eap->addr_count > 0)
7417 {
7418 /* Repeat finding the file "count" times. This matters when it
7419 * appears several times in the path. */
7420 count = eap->line2;
7421 while (fname != NULL && --count > 0)
7422 {
7423 vim_free(fname);
7424 fname = find_file_in_path(NULL, 0, FNAME_MESS,
7425 FALSE, curbuf->b_ffname);
7426 }
7427 }
7428
7429 if (fname != NULL)
7430 {
7431 eap->arg = fname;
7432 #endif
7433 do_exedit(eap, NULL);
7434 #ifdef FEAT_SEARCHPATH
7435 vim_free(fname);
7436 }
7437 #endif
7438 }
7439
7440 /*
7441 * ":open" simulation: for now just work like ":visual".
7442 */
7443 static void
7444 ex_open(eap)
7445 exarg_T *eap;
7446 {
7447 regmatch_T regmatch;
7448 char_u *p;
7449
7450 curwin->w_cursor.lnum = eap->line2;
7451 beginline(BL_SOL | BL_FIX);
7452 if (*eap->arg == '/')
7453 {
7454 /* ":open /pattern/": put cursor in column found with pattern */
7455 ++eap->arg;
7456 p = skip_regexp(eap->arg, '/', p_magic, NULL);
7457 *p = NUL;
7458 regmatch.regprog = vim_regcomp(eap->arg, p_magic ? RE_MAGIC : 0);
7459 if (regmatch.regprog != NULL)
7460 {
7461 regmatch.rm_ic = p_ic;
7462 p = ml_get_curline();
7463 if (vim_regexec(&regmatch, p, (colnr_T)0))
7464 curwin->w_cursor.col = (colnr_T)(regmatch.startp[0] - p);
7465 else
7466 EMSG(_(e_nomatch));
7467 vim_free(regmatch.regprog);
7468 }
7469 /* Move to the NUL, ignore any other arguments. */
7470 eap->arg += STRLEN(eap->arg);
7471 }
7472 check_cursor();
7473
7474 eap->cmdidx = CMD_visual;
7475 do_exedit(eap, NULL);
7476 }
7477
7478 /*
7479 * ":edit", ":badd", ":visual".
7480 */
7481 static void
7482 ex_edit(eap)
7483 exarg_T *eap;
7484 {
7485 do_exedit(eap, NULL);
7486 }
7487
7488 /*
7489 * ":edit <file>" command and alikes.
7490 */
7491 void
7492 do_exedit(eap, old_curwin)
7493 exarg_T *eap;
7494 win_T *old_curwin; /* curwin before doing a split or NULL */
7495 {
7496 int n;
7497 #ifdef FEAT_WINDOWS
7498 int need_hide;
7499 #endif
7500 int exmode_was = exmode_active;
7501
7502 /*
7503 * ":vi" command ends Ex mode.
7504 */
7505 if (exmode_active && (eap->cmdidx == CMD_visual
7506 || eap->cmdidx == CMD_view))
7507 {
7508 exmode_active = FALSE;
7509 if (*eap->arg == NUL)
7510 {
7511 /* Special case: ":global/pat/visual\NLvi-commands" */
7512 if (global_busy)
7513 {
7514 int rd = RedrawingDisabled;
7515 int nwr = no_wait_return;
7516 int ms = msg_scroll;
7517 #ifdef FEAT_GUI
7518 int he = hold_gui_events;
7519 #endif
7520
7521 if (eap->nextcmd != NULL)
7522 {
7523 stuffReadbuff(eap->nextcmd);
7524 eap->nextcmd = NULL;
7525 }
7526
7527 if (exmode_was != EXMODE_VIM)
7528 settmode(TMODE_RAW);
7529 RedrawingDisabled = 0;
7530 no_wait_return = 0;
7531 need_wait_return = FALSE;
7532 msg_scroll = 0;
7533 #ifdef FEAT_GUI
7534 hold_gui_events = 0;
7535 #endif
7536 must_redraw = CLEAR;
7537
7538 main_loop(FALSE, TRUE);
7539
7540 RedrawingDisabled = rd;
7541 no_wait_return = nwr;
7542 msg_scroll = ms;
7543 #ifdef FEAT_GUI
7544 hold_gui_events = he;
7545 #endif
7546 }
7547 return;
7548 }
7549 }
7550
7551 if ((eap->cmdidx == CMD_new
7552 || eap->cmdidx == CMD_tabnew
7553 || eap->cmdidx == CMD_tabedit
7554 #ifdef FEAT_VERTSPLIT
7555 || eap->cmdidx == CMD_vnew
7556 #endif
7557 ) && *eap->arg == NUL)
7558 {
7559 /* ":new" or ":tabnew" without argument: edit an new empty buffer */
7560 setpcmark();
7561 (void)do_ecmd(0, NULL, NULL, eap, ECMD_ONE,
7562 ECMD_HIDE + (eap->forceit ? ECMD_FORCEIT : 0),
7563 old_curwin == NULL ? curwin : NULL);
7564 }
7565 else if ((eap->cmdidx != CMD_split
7566 #ifdef FEAT_VERTSPLIT
7567 && eap->cmdidx != CMD_vsplit
7568 #endif
7569 )
7570 || *eap->arg != NUL
7571 #ifdef FEAT_BROWSE
7572 || cmdmod.browse
7573 #endif
7574 )
7575 {
7576 #ifdef FEAT_AUTOCMD
7577 /* Can't edit another file when "curbuf_lock" is set. Only ":edit"
7578 * can bring us here, others are stopped earlier. */
7579 if (*eap->arg != NUL && curbuf_locked())
7580 return;
7581 #endif
7582 n = readonlymode;
7583 if (eap->cmdidx == CMD_view || eap->cmdidx == CMD_sview)
7584 readonlymode = TRUE;
7585 else if (eap->cmdidx == CMD_enew)
7586 readonlymode = FALSE; /* 'readonly' doesn't make sense in an
7587 empty buffer */
7588 setpcmark();
7589 if (do_ecmd(0, (eap->cmdidx == CMD_enew ? NULL : eap->arg),
7590 NULL, eap,
7591 /* ":edit" goes to first line if Vi compatible */
7592 (*eap->arg == NUL && eap->do_ecmd_lnum == 0
7593 && vim_strchr(p_cpo, CPO_GOTO1) != NULL)
7594 ? ECMD_ONE : eap->do_ecmd_lnum,
7595 (P_HID(curbuf) ? ECMD_HIDE : 0)
7596 + (eap->forceit ? ECMD_FORCEIT : 0)
7597 #ifdef FEAT_LISTCMDS
7598 + (eap->cmdidx == CMD_badd ? ECMD_ADDBUF : 0 )
7599 #endif
7600 , old_curwin == NULL ? curwin : NULL) == FAIL)
7601 {
7602 /* Editing the file failed. If the window was split, close it. */
7603 #ifdef FEAT_WINDOWS
7604 if (old_curwin != NULL)
7605 {
7606 need_hide = (curbufIsChanged() && curbuf->b_nwindows <= 1);
7607 if (!need_hide || P_HID(curbuf))
7608 {
7609 # if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL)
7610 cleanup_T cs;
7611
7612 /* Reset the error/interrupt/exception state here so that
7613 * aborting() returns FALSE when closing a window. */
7614 enter_cleanup(&cs);
7615 # endif
7616 # ifdef FEAT_GUI
7617 need_mouse_correct = TRUE;
7618 # endif
7619 win_close(curwin, !need_hide && !P_HID(curbuf));
7620
7621 # if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL)
7622 /* Restore the error/interrupt/exception state if not
7623 * discarded by a new aborting error, interrupt, or
7624 * uncaught exception. */
7625 leave_cleanup(&cs);
7626 # endif
7627 }
7628 }
7629 #endif
7630 }
7631 else if (readonlymode && curbuf->b_nwindows == 1)
7632 {
7633 /* When editing an already visited buffer, 'readonly' won't be set
7634 * but the previous value is kept. With ":view" and ":sview" we
7635 * want the file to be readonly, except when another window is
7636 * editing the same buffer. */
7637 curbuf->b_p_ro = TRUE;
7638 }
7639 readonlymode = n;
7640 }
7641 else
7642 {
7643 if (eap->do_ecmd_cmd != NULL)
7644 do_cmdline_cmd(eap->do_ecmd_cmd);
7645 #ifdef FEAT_TITLE
7646 n = curwin->w_arg_idx_invalid;
7647 #endif
7648 check_arg_idx(curwin);
7649 #ifdef FEAT_TITLE
7650 if (n != curwin->w_arg_idx_invalid)
7651 maketitle();
7652 #endif
7653 }
7654
7655 #ifdef FEAT_WINDOWS
7656 /*
7657 * if ":split file" worked, set alternate file name in old window to new
7658 * file
7659 */
7660 if (old_curwin != NULL
7661 && *eap->arg != NUL
7662 && curwin != old_curwin
7663 && win_valid(old_curwin)
7664 && old_curwin->w_buffer != curbuf
7665 && !cmdmod.keepalt)
7666 old_curwin->w_alt_fnum = curbuf->b_fnum;
7667 #endif
7668
7669 ex_no_reprint = TRUE;
7670 }
7671
7672 #ifndef FEAT_GUI
7673 /*
7674 * ":gui" and ":gvim" when there is no GUI.
7675 */
7676 static void
7677 ex_nogui(eap)
7678 exarg_T *eap;
7679 {
7680 eap->errmsg = e_nogvim;
7681 }
7682 #endif
7683
7684 #if defined(FEAT_GUI_W32) && defined(FEAT_MENU) && defined(FEAT_TEAROFF)
7685 static void
7686 ex_tearoff(eap)
7687 exarg_T *eap;
7688 {
7689 gui_make_tearoff(eap->arg);
7690 }
7691 #endif
7692
7693 #if defined(FEAT_MENU) && (defined(FEAT_GUI_MSWIN) || defined(FEAT_GUI_GTK) \
7694 || defined(FEAT_GUI_MACVIM))
7695 static void
7696 ex_popup(eap)
7697 exarg_T *eap;
7698 {
7699 gui_make_popup(eap->arg, eap->forceit);
7700 }
7701 #endif
7702
7703 static void
7704 ex_swapname(eap)
7705 exarg_T *eap UNUSED;
7706 {
7707 if (curbuf->b_ml.ml_mfp == NULL || curbuf->b_ml.ml_mfp->mf_fname == NULL)
7708 MSG(_("No swap file"));
7709 else
7710 msg(curbuf->b_ml.ml_mfp->mf_fname);
7711 }
7712
7713 /*
7714 * ":syncbind" forces all 'scrollbind' windows to have the same relative
7715 * offset.
7716 * (1998-11-02 16:21:01 R. Edward Ralston <eralston@computer.org>)
7717 */
7718 static void
7719 ex_syncbind(eap)
7720 exarg_T *eap UNUSED;
7721 {
7722 #ifdef FEAT_SCROLLBIND
7723 win_T *wp;
7724 long topline;
7725 long y;
7726 linenr_T old_linenr = curwin->w_cursor.lnum;
7727
7728 setpcmark();
7729
7730 /*
7731 * determine max topline
7732 */
7733 if (curwin->w_p_scb)
7734 {
7735 topline = curwin->w_topline;
7736 for (wp = firstwin; wp; wp = wp->w_next)
7737 {
7738 if (wp->w_p_scb && wp->w_buffer)
7739 {
7740 y = wp->w_buffer->b_ml.ml_line_count - p_so;
7741 if (topline > y)
7742 topline = y;
7743 }
7744 }
7745 if (topline < 1)
7746 topline = 1;
7747 }
7748 else
7749 {
7750 topline = 1;
7751 }
7752
7753
7754 /*
7755 * set all scrollbind windows to the same topline
7756 */
7757 wp = curwin;
7758 for (curwin = firstwin; curwin; curwin = curwin->w_next)
7759 {
7760 if (curwin->w_p_scb)
7761 {
7762 y = topline - curwin->w_topline;
7763 if (y > 0)
7764 scrollup(y, TRUE);
7765 else
7766 scrolldown(-y, TRUE);
7767 curwin->w_scbind_pos = topline;
7768 redraw_later(VALID);
7769 cursor_correct();
7770 #ifdef FEAT_WINDOWS
7771 curwin->w_redr_status = TRUE;
7772 #endif
7773 }
7774 }
7775 curwin = wp;
7776 if (curwin->w_p_scb)
7777 {
7778 did_syncbind = TRUE;
7779 checkpcmark();
7780 if (old_linenr != curwin->w_cursor.lnum)
7781 {
7782 char_u ctrl_o[2];
7783
7784 ctrl_o[0] = Ctrl_O;
7785 ctrl_o[1] = 0;
7786 ins_typebuf(ctrl_o, REMAP_NONE, 0, TRUE, FALSE);
7787 }
7788 }
7789 #endif
7790 }
7791
7792
7793 static void
7794 ex_read(eap)
7795 exarg_T *eap;
7796 {
7797 int i;
7798 int empty = (curbuf->b_ml.ml_flags & ML_EMPTY);
7799 linenr_T lnum;
7800
7801 if (eap->usefilter) /* :r!cmd */
7802 do_bang(1, eap, FALSE, FALSE, TRUE);
7803 else
7804 {
7805 if (u_save(eap->line2, (linenr_T)(eap->line2 + 1)) == FAIL)
7806 return;
7807
7808 #ifdef FEAT_BROWSE
7809 if (cmdmod.browse)
7810 {
7811 char_u *browseFile;
7812
7813 browseFile = do_browse(0, (char_u *)_("Append File"), eap->arg,
7814 NULL, NULL, NULL, curbuf);
7815 if (browseFile != NULL)
7816 {
7817 i = readfile(browseFile, NULL,
7818 eap->line2, (linenr_T)0, (linenr_T)MAXLNUM, eap, 0);
7819 vim_free(browseFile);
7820 }
7821 else
7822 i = OK;
7823 }
7824 else
7825 #endif
7826 if (*eap->arg == NUL)
7827 {
7828 if (check_fname() == FAIL) /* check for no file name */
7829 return;
7830 i = readfile(curbuf->b_ffname, curbuf->b_fname,
7831 eap->line2, (linenr_T)0, (linenr_T)MAXLNUM, eap, 0);
7832 }
7833 else
7834 {
7835 if (vim_strchr(p_cpo, CPO_ALTREAD) != NULL)
7836 (void)setaltfname(eap->arg, eap->arg, (linenr_T)1);
7837 i = readfile(eap->arg, NULL,
7838 eap->line2, (linenr_T)0, (linenr_T)MAXLNUM, eap, 0);
7839
7840 }
7841 if (i == FAIL)
7842 {
7843 #if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL)
7844 if (!aborting())
7845 #endif
7846 EMSG2(_(e_notopen), eap->arg);
7847 }
7848 else
7849 {
7850 if (empty && exmode_active)
7851 {
7852 /* Delete the empty line that remains. Historically ex does
7853 * this but vi doesn't. */
7854 if (eap->line2 == 0)
7855 lnum = curbuf->b_ml.ml_line_count;
7856 else
7857 lnum = 1;
7858 if (*ml_get(lnum) == NUL && u_savedel(lnum, 1L) == OK)
7859 {
7860 ml_delete(lnum, FALSE);
7861 deleted_lines_mark(lnum, 1L);
7862 if (curwin->w_cursor.lnum > 1
7863 && curwin->w_cursor.lnum >= lnum)
7864 --curwin->w_cursor.lnum;
7865 }
7866 }
7867 redraw_curbuf_later(VALID);
7868 }
7869 }
7870 }
7871
7872 static char_u *prev_dir = NULL;
7873
7874 #if defined(EXITFREE) || defined(PROTO)
7875 void
7876 free_cd_dir()
7877 {
7878 vim_free(prev_dir);
7879 prev_dir = NULL;
7880
7881 vim_free(globaldir);
7882 globaldir = NULL;
7883 }
7884 #endif
7885
7886
7887 /*
7888 * ":cd", ":lcd", ":chdir" and ":lchdir".
7889 */
7890 void
7891 ex_cd(eap)
7892 exarg_T *eap;
7893 {
7894 char_u *new_dir;
7895 char_u *tofree;
7896
7897 new_dir = eap->arg;
7898 #if !defined(UNIX) && !defined(VMS)
7899 /* for non-UNIX ":cd" means: print current directory */
7900 if (*new_dir == NUL)
7901 ex_pwd(NULL);
7902 else
7903 #endif
7904 {
7905 #ifdef FEAT_AUTOCMD
7906 if (allbuf_locked())
7907 return;
7908 #endif
7909 if (vim_strchr(p_cpo, CPO_CHDIR) != NULL && curbufIsChanged()
7910 && !eap->forceit)
7911 {
7912 EMSG(_("E747: Cannot change directory, buffer is modified (add ! to override)"));
7913 return;
7914 }
7915
7916 /* ":cd -": Change to previous directory */
7917 if (STRCMP(new_dir, "-") == 0)
7918 {
7919 if (prev_dir == NULL)
7920 {
7921 EMSG(_("E186: No previous directory"));
7922 return;
7923 }
7924 new_dir = prev_dir;
7925 }
7926
7927 /* Save current directory for next ":cd -" */
7928 tofree = prev_dir;
7929 if (mch_dirname(NameBuff, MAXPATHL) == OK)
7930 prev_dir = vim_strsave(NameBuff);
7931 else
7932 prev_dir = NULL;
7933
7934 #if defined(UNIX) || defined(VMS)
7935 /* for UNIX ":cd" means: go to home directory */
7936 if (*new_dir == NUL)
7937 {
7938 /* use NameBuff for home directory name */
7939 # ifdef VMS
7940 char_u *p;
7941
7942 p = mch_getenv((char_u *)"SYS$LOGIN");
7943 if (p == NULL || *p == NUL) /* empty is the same as not set */
7944 NameBuff[0] = NUL;
7945 else
7946 vim_strncpy(NameBuff, p, MAXPATHL - 1);
7947 # else
7948 expand_env((char_u *)"$HOME", NameBuff, MAXPATHL);
7949 # endif
7950 new_dir = NameBuff;
7951 }
7952 #endif
7953 if (new_dir == NULL || vim_chdir(new_dir))
7954 EMSG(_(e_failed));
7955 else
7956 {
7957 vim_free(curwin->w_localdir);
7958 if (eap->cmdidx == CMD_lcd || eap->cmdidx == CMD_lchdir)
7959 {
7960 /* If still in global directory, need to remember current
7961 * directory as global directory. */
7962 if (globaldir == NULL && prev_dir != NULL)
7963 globaldir = vim_strsave(prev_dir);
7964 /* Remember this local directory for the window. */
7965 if (mch_dirname(NameBuff, MAXPATHL) == OK)
7966 curwin->w_localdir = vim_strsave(NameBuff);
7967 }
7968 else
7969 {
7970 /* We are now in the global directory, no need to remember its
7971 * name. */
7972 vim_free(globaldir);
7973 globaldir = NULL;
7974 curwin->w_localdir = NULL;
7975 }
7976
7977 shorten_fnames(TRUE);
7978
7979 /* Echo the new current directory if the command was typed. */
7980 if (KeyTyped)
7981 ex_pwd(eap);
7982 }
7983 vim_free(tofree);
7984 }
7985 }
7986
7987 /*
7988 * ":pwd".
7989 */
7990 static void
7991 ex_pwd(eap)
7992 exarg_T *eap UNUSED;
7993 {
7994 if (mch_dirname(NameBuff, MAXPATHL) == OK)
7995 {
7996 #ifdef BACKSLASH_IN_FILENAME
7997 slash_adjust(NameBuff);
7998 #endif
7999 msg(NameBuff);
8000 }
8001 else
8002 EMSG(_("E187: Unknown"));
8003 }
8004
8005 /*
8006 * ":=".
8007 */
8008 static void
8009 ex_equal(eap)
8010 exarg_T *eap;
8011 {
8012 smsg((char_u *)"%ld", (long)eap->line2);
8013 ex_may_print(eap);
8014 }
8015
8016 static void
8017 ex_sleep(eap)
8018 exarg_T *eap;
8019 {
8020 int n;
8021 long len;
8022
8023 if (cursor_valid())
8024 {
8025 n = W_WINROW(curwin) + curwin->w_wrow - msg_scrolled;
8026 if (n >= 0)
8027 windgoto((int)n, curwin->w_wcol);
8028 }
8029
8030 len = eap->line2;
8031 switch (*eap->arg)
8032 {
8033 case 'm': break;
8034 case NUL: len *= 1000L; break;
8035 default: EMSG2(_(e_invarg2), eap->arg); return;
8036 }
8037 do_sleep(len);
8038 }
8039
8040 /*
8041 * Sleep for "msec" milliseconds, but keep checking for a CTRL-C every second.
8042 */
8043 void
8044 do_sleep(msec)
8045 long msec;
8046 {
8047 long done;
8048
8049 cursor_on();
8050 out_flush();
8051 for (done = 0; !got_int && done < msec; done += 1000L)
8052 {
8053 ui_delay(msec - done > 1000L ? 1000L : msec - done, TRUE);
8054 ui_breakcheck();
8055 }
8056 }
8057
8058 static void
8059 do_exmap(eap, isabbrev)
8060 exarg_T *eap;
8061 int isabbrev;
8062 {
8063 int mode;
8064 char_u *cmdp;
8065
8066 cmdp = eap->cmd;
8067 mode = get_map_mode(&cmdp, eap->forceit || isabbrev);
8068
8069 switch (do_map((*cmdp == 'n') ? 2 : (*cmdp == 'u'),
8070 eap->arg, mode, isabbrev))
8071 {
8072 case 1: EMSG(_(e_invarg));
8073 break;
8074 case 2: EMSG(isabbrev ? _(e_noabbr) : _(e_nomap));
8075 break;
8076 }
8077 }
8078
8079 /*
8080 * ":winsize" command (obsolete).
8081 */
8082 static void
8083 ex_winsize(eap)
8084 exarg_T *eap;
8085 {
8086 int w, h;
8087 char_u *arg = eap->arg;
8088 char_u *p;
8089
8090 w = getdigits(&arg);
8091 arg = skipwhite(arg);
8092 p = arg;
8093 h = getdigits(&arg);
8094 if (*p != NUL && *arg == NUL)
8095 set_shellsize(w, h, TRUE);
8096 else
8097 EMSG(_("E465: :winsize requires two number arguments"));
8098 }
8099
8100 #ifdef FEAT_WINDOWS
8101 static void
8102 ex_wincmd(eap)
8103 exarg_T *eap;
8104 {
8105 int xchar = NUL;
8106 char_u *p;
8107
8108 if (*eap->arg == 'g' || *eap->arg == Ctrl_G)
8109 {
8110 /* CTRL-W g and CTRL-W CTRL-G have an extra command character */
8111 if (eap->arg[1] == NUL)
8112 {
8113 EMSG(_(e_invarg));
8114 return;
8115 }
8116 xchar = eap->arg[1];
8117 p = eap->arg + 2;
8118 }
8119 else
8120 p = eap->arg + 1;
8121
8122 eap->nextcmd = check_nextcmd(p);
8123 p = skipwhite(p);
8124 if (*p != NUL && *p != '"' && eap->nextcmd == NULL)
8125 EMSG(_(e_invarg));
8126 else
8127 {
8128 /* Pass flags on for ":vertical wincmd ]". */
8129 postponed_split_flags = cmdmod.split;
8130 postponed_split_tab = cmdmod.tab;
8131 do_window(*eap->arg, eap->addr_count > 0 ? eap->line2 : 0L, xchar);
8132 postponed_split_flags = 0;
8133 postponed_split_tab = 0;
8134 }
8135 }
8136 #endif
8137
8138 #if defined(FEAT_GUI) || defined(UNIX) || defined(VMS) || defined(MSWIN)
8139 /*
8140 * ":winpos".
8141 */
8142 static void
8143 ex_winpos(eap)
8144 exarg_T *eap;
8145 {
8146 int x, y;
8147 char_u *arg = eap->arg;
8148 char_u *p;
8149
8150 if (*arg == NUL)
8151 {
8152 # if defined(FEAT_GUI) || defined(MSWIN)
8153 # ifdef FEAT_GUI
8154 if (gui.in_use && gui_mch_get_winpos(&x, &y) != FAIL)
8155 # else
8156 if (mch_get_winpos(&x, &y) != FAIL)
8157 # endif
8158 {
8159 sprintf((char *)IObuff, _("Window position: X %d, Y %d"), x, y);
8160 msg(IObuff);
8161 }
8162 else
8163 # endif
8164 EMSG(_("E188: Obtaining window position not implemented for this platform"));
8165 }
8166 else
8167 {
8168 x = getdigits(&arg);
8169 arg = skipwhite(arg);
8170 p = arg;
8171 y = getdigits(&arg);
8172 if (*p == NUL || *arg != NUL)
8173 {
8174 EMSG(_("E466: :winpos requires two number arguments"));
8175 return;
8176 }
8177 # ifdef FEAT_GUI
8178 if (gui.in_use)
8179 gui_mch_set_winpos(x, y);
8180 else if (gui.starting)
8181 {
8182 /* Remember the coordinates for when the window is opened. */
8183 gui_win_x = x;
8184 gui_win_y = y;
8185 }
8186 # ifdef HAVE_TGETENT
8187 else
8188 # endif
8189 # else
8190 # ifdef MSWIN
8191 mch_set_winpos(x, y);
8192 # endif
8193 # endif
8194 # ifdef HAVE_TGETENT
8195 if (*T_CWP)
8196 term_set_winpos(x, y);
8197 # endif
8198 }
8199 }
8200 #endif
8201
8202 /*
8203 * Handle command that work like operators: ":delete", ":yank", ":>" and ":<".
8204 */
8205 static void
8206 ex_operators(eap)
8207 exarg_T *eap;
8208 {
8209 oparg_T oa;
8210
8211 clear_oparg(&oa);
8212 oa.regname = eap->regname;
8213 oa.start.lnum = eap->line1;
8214 oa.end.lnum = eap->line2;
8215 oa.line_count = eap->line2 - eap->line1 + 1;
8216 oa.motion_type = MLINE;
8217 #ifdef FEAT_VIRTUALEDIT
8218 virtual_op = FALSE;
8219 #endif
8220 if (eap->cmdidx != CMD_yank) /* position cursor for undo */
8221 {
8222 setpcmark();
8223 curwin->w_cursor.lnum = eap->line1;
8224 beginline(BL_SOL | BL_FIX);
8225 }
8226
8227 switch (eap->cmdidx)
8228 {
8229 case CMD_delete:
8230 oa.op_type = OP_DELETE;
8231 op_delete(&oa);
8232 break;
8233
8234 case CMD_yank:
8235 oa.op_type = OP_YANK;
8236 (void)op_yank(&oa, FALSE, TRUE);
8237 break;
8238
8239 default: /* CMD_rshift or CMD_lshift */
8240 if ((eap->cmdidx == CMD_rshift)
8241 #ifdef FEAT_RIGHTLEFT
8242 ^ curwin->w_p_rl
8243 #endif
8244 )
8245 oa.op_type = OP_RSHIFT;
8246 else
8247 oa.op_type = OP_LSHIFT;
8248 op_shift(&oa, FALSE, eap->amount);
8249 break;
8250 }
8251 #ifdef FEAT_VIRTUALEDIT
8252 virtual_op = MAYBE;
8253 #endif
8254 ex_may_print(eap);
8255 }
8256
8257 /*
8258 * ":put".
8259 */
8260 static void
8261 ex_put(eap)
8262 exarg_T *eap;
8263 {
8264 /* ":0put" works like ":1put!". */
8265 if (eap->line2 == 0)
8266 {
8267 eap->line2 = 1;
8268 eap->forceit = TRUE;
8269 }
8270 curwin->w_cursor.lnum = eap->line2;
8271 do_put(eap->regname, eap->forceit ? BACKWARD : FORWARD, 1L,
8272 PUT_LINE|PUT_CURSLINE);
8273 }
8274
8275 /*
8276 * Handle ":copy" and ":move".
8277 */
8278 static void
8279 ex_copymove(eap)
8280 exarg_T *eap;
8281 {
8282 long n;
8283
8284 n = get_address(&eap->arg, FALSE, FALSE);
8285 if (eap->arg == NULL) /* error detected */
8286 {
8287 eap->nextcmd = NULL;
8288 return;
8289 }
8290 get_flags(eap);
8291
8292 /*
8293 * move or copy lines from 'eap->line1'-'eap->line2' to below line 'n'
8294 */
8295 if (n == MAXLNUM || n < 0 || n > curbuf->b_ml.ml_line_count)
8296 {
8297 EMSG(_(e_invaddr));
8298 return;
8299 }
8300
8301 if (eap->cmdidx == CMD_move)
8302 {
8303 if (do_move(eap->line1, eap->line2, n) == FAIL)
8304 return;
8305 }
8306 else
8307 ex_copy(eap->line1, eap->line2, n);
8308 u_clearline();
8309 beginline(BL_SOL | BL_FIX);
8310 ex_may_print(eap);
8311 }
8312
8313 /*
8314 * Print the current line if flags were given to the Ex command.
8315 */
8316 static void
8317 ex_may_print(eap)
8318 exarg_T *eap;
8319 {
8320 if (eap->flags != 0)
8321 {
8322 print_line(curwin->w_cursor.lnum, (eap->flags & EXFLAG_NR),
8323 (eap->flags & EXFLAG_LIST));
8324 ex_no_reprint = TRUE;
8325 }
8326 }
8327
8328 /*
8329 * ":smagic" and ":snomagic".
8330 */
8331 static void
8332 ex_submagic(eap)
8333 exarg_T *eap;
8334 {
8335 int magic_save = p_magic;
8336
8337 p_magic = (eap->cmdidx == CMD_smagic);
8338 do_sub(eap);
8339 p_magic = magic_save;
8340 }
8341
8342 /*
8343 * ":join".
8344 */
8345 static void
8346 ex_join(eap)
8347 exarg_T *eap;
8348 {
8349 curwin->w_cursor.lnum = eap->line1;
8350 if (eap->line1 == eap->line2)
8351 {
8352 if (eap->addr_count >= 2) /* :2,2join does nothing */
8353 return;
8354 if (eap->line2 == curbuf->b_ml.ml_line_count)
8355 {
8356 beep_flush();
8357 return;
8358 }
8359 ++eap->line2;
8360 }
8361 do_do_join(eap->line2 - eap->line1 + 1, !eap->forceit);
8362 beginline(BL_WHITE | BL_FIX);
8363 ex_may_print(eap);
8364 }
8365
8366 /*
8367 * ":[addr]@r" or ":[addr]*r": execute register
8368 */
8369 static void
8370 ex_at(eap)
8371 exarg_T *eap;
8372 {
8373 int c;
8374
8375 curwin->w_cursor.lnum = eap->line2;
8376
8377 #ifdef USE_ON_FLY_SCROLL
8378 dont_scroll = TRUE; /* disallow scrolling here */
8379 #endif
8380
8381 /* get the register name. No name means to use the previous one */
8382 c = *eap->arg;
8383 if (c == NUL || (c == '*' && *eap->cmd == '*'))
8384 c = '@';
8385 /* Put the register in the typeahead buffer with the "silent" flag. */
8386 if (do_execreg(c, TRUE, vim_strchr(p_cpo, CPO_EXECBUF) != NULL, TRUE)
8387 == FAIL)
8388 {
8389 beep_flush();
8390 }
8391 else
8392 {
8393 int save_efr = exec_from_reg;
8394
8395 exec_from_reg = TRUE;
8396
8397 /*
8398 * Execute from the typeahead buffer.
8399 * Originally this didn't check for the typeahead buffer to be empty,
8400 * thus could read more Ex commands from stdin. It's not clear why,
8401 * it is certainly unexpected.
8402 */
8403 while ((!stuff_empty() || typebuf.tb_len > 0) && vpeekc() == ':')
8404 (void)do_cmdline(NULL, getexline, NULL, DOCMD_NOWAIT|DOCMD_VERBOSE);
8405
8406 exec_from_reg = save_efr;
8407 }
8408 }
8409
8410 /*
8411 * ":!".
8412 */
8413 static void
8414 ex_bang(eap)
8415 exarg_T *eap;
8416 {
8417 do_bang(eap->addr_count, eap, eap->forceit, TRUE, TRUE);
8418 }
8419
8420 /*
8421 * ":undo".
8422 */
8423 static void
8424 ex_undo(eap)
8425 exarg_T *eap UNUSED;
8426 {
8427 if (eap->addr_count == 1) /* :undo 123 */
8428 undo_time(eap->line2, FALSE, TRUE);
8429 else
8430 u_undo(1);
8431 }
8432
8433 /*
8434 * ":redo".
8435 */
8436 static void
8437 ex_redo(eap)
8438 exarg_T *eap UNUSED;
8439 {
8440 u_redo(1);
8441 }
8442
8443 /*
8444 * ":earlier" and ":later".
8445 */
8446 static void
8447 ex_later(eap)
8448 exarg_T *eap;
8449 {
8450 long count = 0;
8451 int sec = FALSE;
8452 char_u *p = eap->arg;
8453
8454 if (*p == NUL)
8455 count = 1;
8456 else if (isdigit(*p))
8457 {
8458 count = getdigits(&p);
8459 switch (*p)
8460 {
8461 case 's': ++p; sec = TRUE; break;
8462 case 'm': ++p; sec = TRUE; count *= 60; break;
8463 case 'h': ++p; sec = TRUE; count *= 60 * 60; break;
8464 }
8465 }
8466
8467 if (*p != NUL)
8468 EMSG2(_(e_invarg2), eap->arg);
8469 else
8470 undo_time(eap->cmdidx == CMD_earlier ? -count : count, sec, FALSE);
8471 }
8472
8473 /*
8474 * ":redir": start/stop redirection.
8475 */
8476 static void
8477 ex_redir(eap)
8478 exarg_T *eap;
8479 {
8480 char *mode;
8481 char_u *fname;
8482 char_u *arg = eap->arg;
8483
8484 if (STRICMP(eap->arg, "END") == 0)
8485 close_redir();
8486 else
8487 {
8488 if (*arg == '>')
8489 {
8490 ++arg;
8491 if (*arg == '>')
8492 {
8493 ++arg;
8494 mode = "a";
8495 }
8496 else
8497 mode = "w";
8498 arg = skipwhite(arg);
8499
8500 close_redir();
8501
8502 /* Expand environment variables and "~/". */
8503 fname = expand_env_save(arg);
8504 if (fname == NULL)
8505 return;
8506 #ifdef FEAT_BROWSE
8507 if (cmdmod.browse)
8508 {
8509 char_u *browseFile;
8510
8511 browseFile = do_browse(BROWSE_SAVE,
8512 (char_u *)_("Save Redirection"),
8513 fname, NULL, NULL, BROWSE_FILTER_ALL_FILES, curbuf);
8514 if (browseFile == NULL)
8515 return; /* operation cancelled */
8516 vim_free(fname);
8517 fname = browseFile;
8518 eap->forceit = TRUE; /* since dialog already asked */
8519 }
8520 #endif
8521
8522 redir_fd = open_exfile(fname, eap->forceit, mode);
8523 vim_free(fname);
8524 }
8525 #ifdef FEAT_EVAL
8526 else if (*arg == '@')
8527 {
8528 /* redirect to a register a-z (resp. A-Z for appending) */
8529 close_redir();
8530 ++arg;
8531 if (ASCII_ISALPHA(*arg)
8532 # ifdef FEAT_CLIPBOARD
8533 || *arg == '*'
8534 || *arg == '+'
8535 # endif
8536 || *arg == '"')
8537 {
8538 redir_reg = *arg++;
8539 if (*arg == '>' && arg[1] == '>') /* append */
8540 arg += 2;
8541 else
8542 {
8543 /* Can use both "@a" and "@a>". */
8544 if (*arg == '>')
8545 arg++;
8546 /* Make register empty when not using @A-@Z and the
8547 * command is valid. */
8548 if (*arg == NUL && !isupper(redir_reg))
8549 write_reg_contents(redir_reg, (char_u *)"", -1, FALSE);
8550 }
8551 }
8552 if (*arg != NUL)
8553 {
8554 redir_reg = 0;
8555 EMSG2(_(e_invarg2), eap->arg);
8556 }
8557 }
8558 else if (*arg == '=' && arg[1] == '>')
8559 {
8560 int append;
8561
8562 /* redirect to a variable */
8563 close_redir();
8564 arg += 2;
8565
8566 if (*arg == '>')
8567 {
8568 ++arg;
8569 append = TRUE;
8570 }
8571 else
8572 append = FALSE;
8573
8574 if (var_redir_start(skipwhite(arg), append) == OK)
8575 redir_vname = 1;
8576 }
8577 #endif
8578
8579 /* TODO: redirect to a buffer */
8580
8581 else
8582 EMSG2(_(e_invarg2), eap->arg);
8583 }
8584
8585 /* Make sure redirection is not off. Can happen for cmdline completion
8586 * that indirectly invokes a command to catch its output. */
8587 if (redir_fd != NULL
8588 #ifdef FEAT_EVAL
8589 || redir_reg || redir_vname
8590 #endif
8591 )
8592 redir_off = FALSE;
8593 }
8594
8595 /*
8596 * ":redraw": force redraw
8597 */
8598 static void
8599 ex_redraw(eap)
8600 exarg_T *eap;
8601 {
8602 int r = RedrawingDisabled;
8603 int p = p_lz;
8604
8605 RedrawingDisabled = 0;
8606 p_lz = FALSE;
8607 update_topline();
8608 update_screen(eap->forceit ? CLEAR :
8609 #ifdef FEAT_VISUAL
8610 VIsual_active ? INVERTED :
8611 #endif
8612 0);
8613 #ifdef FEAT_TITLE
8614 if (need_maketitle)
8615 maketitle();
8616 #endif
8617 RedrawingDisabled = r;
8618 p_lz = p;
8619
8620 /* Reset msg_didout, so that a message that's there is overwritten. */
8621 msg_didout = FALSE;
8622 msg_col = 0;
8623
8624 out_flush();
8625 }
8626
8627 /*
8628 * ":redrawstatus": force redraw of status line(s)
8629 */
8630 static void
8631 ex_redrawstatus(eap)
8632 exarg_T *eap UNUSED;
8633 {
8634 #if defined(FEAT_WINDOWS)
8635 int r = RedrawingDisabled;
8636 int p = p_lz;
8637
8638 RedrawingDisabled = 0;
8639 p_lz = FALSE;
8640 if (eap->forceit)
8641 status_redraw_all();
8642 else
8643 status_redraw_curbuf();
8644 update_screen(
8645 # ifdef FEAT_VISUAL
8646 VIsual_active ? INVERTED :
8647 # endif
8648 0);
8649 RedrawingDisabled = r;
8650 p_lz = p;
8651 out_flush();
8652 #endif
8653 }
8654
8655 static void
8656 close_redir()
8657 {
8658 if (redir_fd != NULL)
8659 {
8660 fclose(redir_fd);
8661 redir_fd = NULL;
8662 }
8663 #ifdef FEAT_EVAL
8664 redir_reg = 0;
8665 if (redir_vname)
8666 {
8667 var_redir_stop();
8668 redir_vname = 0;
8669 }
8670 #endif
8671 }
8672
8673 #if defined(FEAT_SESSION) && defined(USE_CRNL)
8674 # define MKSESSION_NL
8675 static int mksession_nl = FALSE; /* use NL only in put_eol() */
8676 #endif
8677
8678 /*
8679 * ":mkexrc", ":mkvimrc", ":mkview" and ":mksession".
8680 */
8681 static void
8682 ex_mkrc(eap)
8683 exarg_T *eap;
8684 {
8685 FILE *fd;
8686 int failed = FALSE;
8687 char_u *fname;
8688 #ifdef FEAT_BROWSE
8689 char_u *browseFile = NULL;
8690 #endif
8691 #ifdef FEAT_SESSION
8692 int view_session = FALSE;
8693 int using_vdir = FALSE; /* using 'viewdir'? */
8694 char_u *viewFile = NULL;
8695 unsigned *flagp;
8696 #endif
8697
8698 if (eap->cmdidx == CMD_mksession || eap->cmdidx == CMD_mkview)
8699 {
8700 #ifdef FEAT_SESSION
8701 view_session = TRUE;
8702 #else
8703 ex_ni(eap);
8704 return;
8705 #endif
8706 }
8707
8708 #ifdef FEAT_SESSION
8709 did_lcd = FALSE;
8710
8711 /* ":mkview" or ":mkview 9": generate file name with 'viewdir' */
8712 if (eap->cmdidx == CMD_mkview
8713 && (*eap->arg == NUL
8714 || (vim_isdigit(*eap->arg) && eap->arg[1] == NUL)))
8715 {
8716 eap->forceit = TRUE;
8717 fname = get_view_file(*eap->arg);
8718 if (fname == NULL)
8719 return;
8720 viewFile = fname;
8721 using_vdir = TRUE;
8722 }
8723 else
8724 #endif
8725 if (*eap->arg != NUL)
8726 fname = eap->arg;
8727 else if (eap->cmdidx == CMD_mkvimrc)
8728 fname = (char_u *)VIMRC_FILE;
8729 #ifdef FEAT_SESSION
8730 else if (eap->cmdidx == CMD_mksession)
8731 fname = (char_u *)SESSION_FILE;
8732 #endif
8733 else
8734 fname = (char_u *)EXRC_FILE;
8735
8736 #ifdef FEAT_BROWSE
8737 if (cmdmod.browse)
8738 {
8739 browseFile = do_browse(BROWSE_SAVE,
8740 # ifdef FEAT_SESSION
8741 eap->cmdidx == CMD_mkview ? (char_u *)_("Save View") :
8742 eap->cmdidx == CMD_mksession ? (char_u *)_("Save Session") :
8743 # endif
8744 (char_u *)_("Save Setup"),
8745 fname, (char_u *)"vim", NULL, BROWSE_FILTER_MACROS, NULL);
8746 if (browseFile == NULL)
8747 goto theend;
8748 fname = browseFile;
8749 eap->forceit = TRUE; /* since dialog already asked */
8750 }
8751 #endif
8752
8753 #if defined(FEAT_SESSION) && defined(vim_mkdir)
8754 /* When using 'viewdir' may have to create the directory. */
8755 if (using_vdir && !mch_isdir(p_vdir))
8756 vim_mkdir_emsg(p_vdir, 0755);
8757 #endif
8758
8759 fd = open_exfile(fname, eap->forceit, WRITEBIN);
8760 if (fd != NULL)
8761 {
8762 #ifdef FEAT_SESSION
8763 if (eap->cmdidx == CMD_mkview)
8764 flagp = &vop_flags;
8765 else
8766 flagp = &ssop_flags;
8767 #endif
8768
8769 #ifdef MKSESSION_NL
8770 /* "unix" in 'sessionoptions': use NL line separator */
8771 if (view_session && (*flagp & SSOP_UNIX))
8772 mksession_nl = TRUE;
8773 #endif
8774
8775 /* Write the version command for :mkvimrc */
8776 if (eap->cmdidx == CMD_mkvimrc)
8777 (void)put_line(fd, "version 6.0");
8778
8779 #ifdef FEAT_SESSION
8780 if (eap->cmdidx == CMD_mksession)
8781 {
8782 if (put_line(fd, "let SessionLoad = 1") == FAIL)
8783 failed = TRUE;
8784 }
8785
8786 if (eap->cmdidx != CMD_mkview)
8787 #endif
8788 {
8789 /* Write setting 'compatible' first, because it has side effects.
8790 * For that same reason only do it when needed. */
8791 if (p_cp)
8792 (void)put_line(fd, "if !&cp | set cp | endif");
8793 else
8794 (void)put_line(fd, "if &cp | set nocp | endif");
8795 }
8796
8797 #ifdef FEAT_SESSION
8798 if (!view_session
8799 || (eap->cmdidx == CMD_mksession
8800 && (*flagp & SSOP_OPTIONS)))
8801 #endif
8802 failed |= (makemap(fd, NULL) == FAIL
8803 || makeset(fd, OPT_GLOBAL, FALSE) == FAIL);
8804
8805 #ifdef FEAT_SESSION
8806 if (!failed && view_session)
8807 {
8808 if (put_line(fd, "let s:so_save = &so | let s:siso_save = &siso | set so=0 siso=0") == FAIL)
8809 failed = TRUE;
8810 if (eap->cmdidx == CMD_mksession)
8811 {
8812 char_u dirnow[MAXPATHL]; /* current directory */
8813
8814 /*
8815 * Change to session file's dir.
8816 */
8817 if (mch_dirname(dirnow, MAXPATHL) == FAIL
8818 || mch_chdir((char *)dirnow) != 0)
8819 *dirnow = NUL;
8820 if (*dirnow != NUL && (ssop_flags & SSOP_SESDIR))
8821 {
8822 if (vim_chdirfile(fname) == OK)
8823 shorten_fnames(TRUE);
8824 }
8825 else if (*dirnow != NUL
8826 && (ssop_flags & SSOP_CURDIR) && globaldir != NULL)
8827 {
8828 if (mch_chdir((char *)globaldir) == 0)
8829 shorten_fnames(TRUE);
8830 }
8831
8832 failed |= (makeopens(fd, dirnow) == FAIL);
8833
8834 /* restore original dir */
8835 if (*dirnow != NUL && ((ssop_flags & SSOP_SESDIR)
8836 || ((ssop_flags & SSOP_CURDIR) && globaldir != NULL)))
8837 {
8838 if (mch_chdir((char *)dirnow) != 0)
8839 EMSG(_(e_prev_dir));
8840 shorten_fnames(TRUE);
8841 }
8842 }
8843 else
8844 {
8845 failed |= (put_view(fd, curwin, !using_vdir, flagp,
8846 -1) == FAIL);
8847 }
8848 if (put_line(fd, "let &so = s:so_save | let &siso = s:siso_save")
8849 == FAIL)
8850 failed = TRUE;
8851 if (put_line(fd, "doautoall SessionLoadPost") == FAIL)
8852 failed = TRUE;
8853 if (eap->cmdidx == CMD_mksession)
8854 {
8855 if (put_line(fd, "unlet SessionLoad") == FAIL)
8856 failed = TRUE;
8857 }
8858 }
8859 #endif
8860 if (put_line(fd, "\" vim: set ft=vim :") == FAIL)
8861 failed = TRUE;
8862
8863 failed |= fclose(fd);
8864
8865 if (failed)
8866 EMSG(_(e_write));
8867 #if defined(FEAT_EVAL) && defined(FEAT_SESSION)
8868 else if (eap->cmdidx == CMD_mksession)
8869 {
8870 /* successful session write - set this_session var */
8871 char_u tbuf[MAXPATHL];
8872
8873 if (vim_FullName(fname, tbuf, MAXPATHL, FALSE) == OK)
8874 set_vim_var_string(VV_THIS_SESSION, tbuf, -1);
8875 }
8876 #endif
8877 #ifdef MKSESSION_NL
8878 mksession_nl = FALSE;
8879 #endif
8880 }
8881
8882 #ifdef FEAT_BROWSE
8883 theend:
8884 vim_free(browseFile);
8885 #endif
8886 #ifdef FEAT_SESSION
8887 vim_free(viewFile);
8888 #endif
8889 }
8890
8891 #if ((defined(FEAT_SESSION) || defined(FEAT_EVAL)) && defined(vim_mkdir)) \
8892 || defined(PROTO)
8893 int
8894 vim_mkdir_emsg(name, prot)
8895 char_u *name;
8896 int prot UNUSED;
8897 {
8898 if (vim_mkdir(name, prot) != 0)
8899 {
8900 EMSG2(_("E739: Cannot create directory: %s"), name);
8901 return FAIL;
8902 }
8903 return OK;
8904 }
8905 #endif
8906
8907 /*
8908 * Open a file for writing for an Ex command, with some checks.
8909 * Return file descriptor, or NULL on failure.
8910 */
8911 FILE *
8912 open_exfile(fname, forceit, mode)
8913 char_u *fname;
8914 int forceit;
8915 char *mode; /* "w" for create new file or "a" for append */
8916 {
8917 FILE *fd;
8918
8919 #ifdef UNIX
8920 /* with Unix it is possible to open a directory */
8921 if (mch_isdir(fname))
8922 {
8923 EMSG2(_(e_isadir2), fname);
8924 return NULL;
8925 }
8926 #endif
8927 if (!forceit && *mode != 'a' && vim_fexists(fname))
8928 {
8929 EMSG2(_("E189: \"%s\" exists (add ! to override)"), fname);
8930 return NULL;
8931 }
8932
8933 if ((fd = mch_fopen((char *)fname, mode)) == NULL)
8934 EMSG2(_("E190: Cannot open \"%s\" for writing"), fname);
8935
8936 return fd;
8937 }
8938
8939 /*
8940 * ":mark" and ":k".
8941 */
8942 static void
8943 ex_mark(eap)
8944 exarg_T *eap;
8945 {
8946 pos_T pos;
8947
8948 if (*eap->arg == NUL) /* No argument? */
8949 EMSG(_(e_argreq));
8950 else if (eap->arg[1] != NUL) /* more than one character? */
8951 EMSG(_(e_trailing));
8952 else
8953 {
8954 pos = curwin->w_cursor; /* save curwin->w_cursor */
8955 curwin->w_cursor.lnum = eap->line2;
8956 beginline(BL_WHITE | BL_FIX);
8957 if (setmark(*eap->arg) == FAIL) /* set mark */
8958 EMSG(_("E191: Argument must be a letter or forward/backward quote"));
8959 curwin->w_cursor = pos; /* restore curwin->w_cursor */
8960 }
8961 }
8962
8963 /*
8964 * Update w_topline, w_leftcol and the cursor position.
8965 */
8966 void
8967 update_topline_cursor()
8968 {
8969 check_cursor(); /* put cursor on valid line */
8970 update_topline();
8971 if (!curwin->w_p_wrap)
8972 validate_cursor();
8973 update_curswant();
8974 }
8975
8976 #ifdef FEAT_EX_EXTRA
8977 /*
8978 * ":normal[!] {commands}": Execute normal mode commands.
8979 */
8980 static void
8981 ex_normal(eap)
8982 exarg_T *eap;
8983 {
8984 int save_msg_scroll = msg_scroll;
8985 int save_restart_edit = restart_edit;
8986 int save_msg_didout = msg_didout;
8987 int save_State = State;
8988 tasave_T tabuf;
8989 int save_insertmode = p_im;
8990 int save_finish_op = finish_op;
8991 int save_opcount = opcount;
8992 #ifdef FEAT_MBYTE
8993 char_u *arg = NULL;
8994 int l;
8995 char_u *p;
8996 #endif
8997
8998 if (ex_normal_lock > 0)
8999 {
9000 EMSG(_(e_secure));
9001 return;
9002 }
9003 if (ex_normal_busy >= p_mmd)
9004 {
9005 EMSG(_("E192: Recursive use of :normal too deep"));
9006 return;
9007 }
9008 ++ex_normal_busy;
9009
9010 msg_scroll = FALSE; /* no msg scrolling in Normal mode */
9011 restart_edit = 0; /* don't go to Insert mode */
9012 p_im = FALSE; /* don't use 'insertmode' */
9013
9014 #ifdef FEAT_MBYTE
9015 /*
9016 * vgetc() expects a CSI and K_SPECIAL to have been escaped. Don't do
9017 * this for the K_SPECIAL leading byte, otherwise special keys will not
9018 * work.
9019 */
9020 if (has_mbyte)
9021 {
9022 int len = 0;
9023
9024 /* Count the number of characters to be escaped. */
9025 for (p = eap->arg; *p != NUL; ++p)
9026 {
9027 # ifdef FEAT_GUI
9028 if (*p == CSI) /* leadbyte CSI */
9029 len += 2;
9030 # endif
9031 for (l = (*mb_ptr2len)(p) - 1; l > 0; --l)
9032 if (*++p == K_SPECIAL /* trailbyte K_SPECIAL or CSI */
9033 # ifdef FEAT_GUI
9034 || *p == CSI
9035 # endif
9036 )
9037 len += 2;
9038 }
9039 if (len > 0)
9040 {
9041 arg = alloc((unsigned)(STRLEN(eap->arg) + len + 1));
9042 if (arg != NULL)
9043 {
9044 len = 0;
9045 for (p = eap->arg; *p != NUL; ++p)
9046 {
9047 arg[len++] = *p;
9048 # ifdef FEAT_GUI
9049 if (*p == CSI)
9050 {
9051 arg[len++] = KS_EXTRA;
9052 arg[len++] = (int)KE_CSI;
9053 }
9054 # endif
9055 for (l = (*mb_ptr2len)(p) - 1; l > 0; --l)
9056 {
9057 arg[len++] = *++p;
9058 if (*p == K_SPECIAL)
9059 {
9060 arg[len++] = KS_SPECIAL;
9061 arg[len++] = KE_FILLER;
9062 }
9063 # ifdef FEAT_GUI
9064 else if (*p == CSI)
9065 {
9066 arg[len++] = KS_EXTRA;
9067 arg[len++] = (int)KE_CSI;
9068 }
9069 # endif
9070 }
9071 arg[len] = NUL;
9072 }
9073 }
9074 }
9075 }
9076 #endif
9077
9078 /*
9079 * Save the current typeahead. This is required to allow using ":normal"
9080 * from an event handler and makes sure we don't hang when the argument
9081 * ends with half a command.
9082 */
9083 save_typeahead(&tabuf);
9084 if (tabuf.typebuf_valid)
9085 {
9086 /*
9087 * Repeat the :normal command for each line in the range. When no
9088 * range given, execute it just once, without positioning the cursor
9089 * first.
9090 */
9091 do
9092 {
9093 if (eap->addr_count != 0)
9094 {
9095 curwin->w_cursor.lnum = eap->line1++;
9096 curwin->w_cursor.col = 0;
9097 }
9098
9099 exec_normal_cmd(
9100 #ifdef FEAT_MBYTE
9101 arg != NULL ? arg :
9102 #endif
9103 eap->arg, eap->forceit ? REMAP_NONE : REMAP_YES, FALSE);
9104 }
9105 while (eap->addr_count > 0 && eap->line1 <= eap->line2 && !got_int);
9106 }
9107
9108 /* Might not return to the main loop when in an event handler. */
9109 update_topline_cursor();
9110
9111 /* Restore the previous typeahead. */
9112 restore_typeahead(&tabuf);
9113
9114 --ex_normal_busy;
9115 msg_scroll = save_msg_scroll;
9116 restart_edit = save_restart_edit;
9117 p_im = save_insertmode;
9118 finish_op = save_finish_op;
9119 opcount = save_opcount;
9120 msg_didout |= save_msg_didout; /* don't reset msg_didout now */
9121
9122 /* Restore the state (needed when called from a function executed for
9123 * 'indentexpr'). */
9124 State = save_State;
9125 #ifdef FEAT_MBYTE
9126 vim_free(arg);
9127 #endif
9128 }
9129
9130 /*
9131 * ":startinsert", ":startreplace" and ":startgreplace"
9132 */
9133 static void
9134 ex_startinsert(eap)
9135 exarg_T *eap;
9136 {
9137 if (eap->forceit)
9138 {
9139 coladvance((colnr_T)MAXCOL);
9140 curwin->w_curswant = MAXCOL;
9141 curwin->w_set_curswant = FALSE;
9142 }
9143
9144 /* Ignore the command when already in Insert mode. Inserting an
9145 * expression register that invokes a function can do this. */
9146 if (State & INSERT)
9147 return;
9148
9149 if (eap->cmdidx == CMD_startinsert)
9150 restart_edit = 'a';
9151 else if (eap->cmdidx == CMD_startreplace)
9152 restart_edit = 'R';
9153 else
9154 restart_edit = 'V';
9155
9156 if (!eap->forceit)
9157 {
9158 if (eap->cmdidx == CMD_startinsert)
9159 restart_edit = 'i';
9160 curwin->w_curswant = 0; /* avoid MAXCOL */
9161 }
9162 }
9163
9164 /*
9165 * ":stopinsert"
9166 */
9167 static void
9168 ex_stopinsert(eap)
9169 exarg_T *eap UNUSED;
9170 {
9171 restart_edit = 0;
9172 stop_insert_mode = TRUE;
9173 }
9174 #endif
9175
9176 #if defined(FEAT_EX_EXTRA) || defined(FEAT_MENU) || defined(PROTO)
9177 /*
9178 * Execute normal mode command "cmd".
9179 * "remap" can be REMAP_NONE or REMAP_YES.
9180 */
9181 void
9182 exec_normal_cmd(cmd, remap, silent)
9183 char_u *cmd;
9184 int remap;
9185 int silent;
9186 {
9187 oparg_T oa;
9188
9189 /*
9190 * Stuff the argument into the typeahead buffer.
9191 * Execute normal_cmd() until there is no typeahead left.
9192 */
9193 clear_oparg(&oa);
9194 finish_op = FALSE;
9195 ins_typebuf(cmd, remap, 0, TRUE, silent);
9196 while ((!stuff_empty() || (!typebuf_typed() && typebuf.tb_len > 0))
9197 && !got_int)
9198 {
9199 update_topline_cursor();
9200 normal_cmd(&oa, FALSE); /* execute a Normal mode cmd */
9201 }
9202 }
9203 #endif
9204
9205 #ifdef FEAT_FIND_ID
9206 static void
9207 ex_checkpath(eap)
9208 exarg_T *eap;
9209 {
9210 find_pattern_in_path(NULL, 0, 0, FALSE, FALSE, CHECK_PATH, 1L,
9211 eap->forceit ? ACTION_SHOW_ALL : ACTION_SHOW,
9212 (linenr_T)1, (linenr_T)MAXLNUM);
9213 }
9214
9215 #if defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX)
9216 /*
9217 * ":psearch"
9218 */
9219 static void
9220 ex_psearch(eap)
9221 exarg_T *eap;
9222 {
9223 g_do_tagpreview = p_pvh;
9224 ex_findpat(eap);
9225 g_do_tagpreview = 0;
9226 }
9227 #endif
9228
9229 static void
9230 ex_findpat(eap)
9231 exarg_T *eap;
9232 {
9233 int whole = TRUE;
9234 long n;
9235 char_u *p;
9236 int action;
9237
9238 switch (cmdnames[eap->cmdidx].cmd_name[2])
9239 {
9240 case 'e': /* ":psearch", ":isearch" and ":dsearch" */
9241 if (cmdnames[eap->cmdidx].cmd_name[0] == 'p')
9242 action = ACTION_GOTO;
9243 else
9244 action = ACTION_SHOW;
9245 break;
9246 case 'i': /* ":ilist" and ":dlist" */
9247 action = ACTION_SHOW_ALL;
9248 break;
9249 case 'u': /* ":ijump" and ":djump" */
9250 action = ACTION_GOTO;
9251 break;
9252 default: /* ":isplit" and ":dsplit" */
9253 action = ACTION_SPLIT;
9254 break;
9255 }
9256
9257 n = 1;
9258 if (vim_isdigit(*eap->arg)) /* get count */
9259 {
9260 n = getdigits(&eap->arg);
9261 eap->arg = skipwhite(eap->arg);
9262 }
9263 if (*eap->arg == '/') /* Match regexp, not just whole words */
9264 {
9265 whole = FALSE;
9266 ++eap->arg;
9267 p = skip_regexp(eap->arg, '/', p_magic, NULL);
9268 if (*p)
9269 {
9270 *p++ = NUL;
9271 p = skipwhite(p);
9272
9273 /* Check for trailing illegal characters */
9274 if (!ends_excmd(*p))
9275 eap->errmsg = e_trailing;
9276 else
9277 eap->nextcmd = check_nextcmd(p);
9278 }
9279 }
9280 if (!eap->skip)
9281 find_pattern_in_path(eap->arg, 0, (int)STRLEN(eap->arg),
9282 whole, !eap->forceit,
9283 *eap->cmd == 'd' ? FIND_DEFINE : FIND_ANY,
9284 n, action, eap->line1, eap->line2);
9285 }
9286 #endif
9287
9288 #ifdef FEAT_WINDOWS
9289
9290 # ifdef FEAT_QUICKFIX
9291 /*
9292 * ":ptag", ":ptselect", ":ptjump", ":ptnext", etc.
9293 */
9294 static void
9295 ex_ptag(eap)
9296 exarg_T *eap;
9297 {
9298 g_do_tagpreview = p_pvh;
9299 ex_tag_cmd(eap, cmdnames[eap->cmdidx].cmd_name + 1);
9300 }
9301
9302 /*
9303 * ":pedit"
9304 */
9305 static void
9306 ex_pedit(eap)
9307 exarg_T *eap;
9308 {
9309 win_T *curwin_save = curwin;
9310
9311 g_do_tagpreview = p_pvh;
9312 prepare_tagpreview(TRUE);
9313 keep_help_flag = curwin_save->w_buffer->b_help;
9314 do_exedit(eap, NULL);
9315 keep_help_flag = FALSE;
9316 if (curwin != curwin_save && win_valid(curwin_save))
9317 {
9318 /* Return cursor to where we were */
9319 validate_cursor();
9320 redraw_later(VALID);
9321 win_enter(curwin_save, TRUE);
9322 }
9323 g_do_tagpreview = 0;
9324 }
9325 # endif
9326
9327 /*
9328 * ":stag", ":stselect" and ":stjump".
9329 */
9330 static void
9331 ex_stag(eap)
9332 exarg_T *eap;
9333 {
9334 postponed_split = -1;
9335 postponed_split_flags = cmdmod.split;
9336 postponed_split_tab = cmdmod.tab;
9337 ex_tag_cmd(eap, cmdnames[eap->cmdidx].cmd_name + 1);
9338 postponed_split_flags = 0;
9339 postponed_split_tab = 0;
9340 }
9341 #endif
9342
9343 /*
9344 * ":tag", ":tselect", ":tjump", ":tnext", etc.
9345 */
9346 static void
9347 ex_tag(eap)
9348 exarg_T *eap;
9349 {
9350 ex_tag_cmd(eap, cmdnames[eap->cmdidx].cmd_name);
9351 }
9352
9353 static void
9354 ex_tag_cmd(eap, name)
9355 exarg_T *eap;
9356 char_u *name;
9357 {
9358 int cmd;
9359
9360 switch (name[1])
9361 {
9362 case 'j': cmd = DT_JUMP; /* ":tjump" */
9363 break;
9364 case 's': cmd = DT_SELECT; /* ":tselect" */
9365 break;
9366 case 'p': cmd = DT_PREV; /* ":tprevious" */
9367 break;
9368 case 'N': cmd = DT_PREV; /* ":tNext" */
9369 break;
9370 case 'n': cmd = DT_NEXT; /* ":tnext" */
9371 break;
9372 case 'o': cmd = DT_POP; /* ":pop" */
9373 break;
9374 case 'f': /* ":tfirst" */
9375 case 'r': cmd = DT_FIRST; /* ":trewind" */
9376 break;
9377 case 'l': cmd = DT_LAST; /* ":tlast" */
9378 break;
9379 default: /* ":tag" */
9380 #ifdef FEAT_CSCOPE
9381 if (p_cst && *eap->arg != NUL)
9382 {
9383 do_cstag(eap);
9384 return;
9385 }
9386 #endif
9387 cmd = DT_TAG;
9388 break;
9389 }
9390
9391 if (name[0] == 'l')
9392 {
9393 #ifndef FEAT_QUICKFIX
9394 ex_ni(eap);
9395 return;
9396 #else
9397 cmd = DT_LTAG;
9398 #endif
9399 }
9400
9401 do_tag(eap->arg, cmd, eap->addr_count > 0 ? (int)eap->line2 : 1,
9402 eap->forceit, TRUE);
9403 }
9404
9405 /*
9406 * Check "str" for starting with a special cmdline variable.
9407 * If found return one of the SPEC_ values and set "*usedlen" to the length of
9408 * the variable. Otherwise return -1 and "*usedlen" is unchanged.
9409 */
9410 int
9411 find_cmdline_var(src, usedlen)
9412 char_u *src;
9413 int *usedlen;
9414 {
9415 int len;
9416 int i;
9417 static char *(spec_str[]) = {
9418 "%",
9419 #define SPEC_PERC 0
9420 "#",
9421 #define SPEC_HASH 1
9422 "<cword>", /* cursor word */
9423 #define SPEC_CWORD 2
9424 "<cWORD>", /* cursor WORD */
9425 #define SPEC_CCWORD 3
9426 "<cfile>", /* cursor path name */
9427 #define SPEC_CFILE 4
9428 "<sfile>", /* ":so" file name */
9429 #define SPEC_SFILE 5
9430 #ifdef FEAT_AUTOCMD
9431 "<afile>", /* autocommand file name */
9432 # define SPEC_AFILE 6
9433 "<abuf>", /* autocommand buffer number */
9434 # define SPEC_ABUF 7
9435 "<amatch>", /* autocommand match name */
9436 # define SPEC_AMATCH 8
9437 #endif
9438 #ifdef FEAT_CLIENTSERVER
9439 "<client>"
9440 # define SPEC_CLIENT 9
9441 #endif
9442 };
9443
9444 for (i = 0; i < (int)(sizeof(spec_str) / sizeof(char *)); ++i)
9445 {
9446 len = (int)STRLEN(spec_str[i]);
9447 if (STRNCMP(src, spec_str[i], len) == 0)
9448 {
9449 *usedlen = len;
9450 return i;
9451 }
9452 }
9453 return -1;
9454 }
9455
9456 /*
9457 * Evaluate cmdline variables.
9458 *
9459 * change '%' to curbuf->b_ffname
9460 * '#' to curwin->w_altfile
9461 * '<cword>' to word under the cursor
9462 * '<cWORD>' to WORD under the cursor
9463 * '<cfile>' to path name under the cursor
9464 * '<sfile>' to sourced file name
9465 * '<afile>' to file name for autocommand
9466 * '<abuf>' to buffer number for autocommand
9467 * '<amatch>' to matching name for autocommand
9468 *
9469 * When an error is detected, "errormsg" is set to a non-NULL pointer (may be
9470 * "" for error without a message) and NULL is returned.
9471 * Returns an allocated string if a valid match was found.
9472 * Returns NULL if no match was found. "usedlen" then still contains the
9473 * number of characters to skip.
9474 */
9475 char_u *
9476 eval_vars(src, srcstart, usedlen, lnump, errormsg, escaped)
9477 char_u *src; /* pointer into commandline */
9478 char_u *srcstart; /* beginning of valid memory for src */
9479 int *usedlen; /* characters after src that are used */
9480 linenr_T *lnump; /* line number for :e command, or NULL */
9481 char_u **errormsg; /* pointer to error message */
9482 int *escaped; /* return value has escaped white space (can
9483 * be NULL) */
9484 {
9485 int i;
9486 char_u *s;
9487 char_u *result;
9488 char_u *resultbuf = NULL;
9489 int resultlen;
9490 buf_T *buf;
9491 int valid = VALID_HEAD + VALID_PATH; /* assume valid result */
9492 int spec_idx;
9493 #ifdef FEAT_MODIFY_FNAME
9494 int skip_mod = FALSE;
9495 #endif
9496
9497 #if defined(FEAT_AUTOCMD) || defined(FEAT_CLIENTSERVER)
9498 char_u strbuf[30];
9499 #endif
9500
9501 *errormsg = NULL;
9502 if (escaped != NULL)
9503 *escaped = FALSE;
9504
9505 /*
9506 * Check if there is something to do.
9507 */
9508 spec_idx = find_cmdline_var(src, usedlen);
9509 if (spec_idx < 0) /* no match */
9510 {
9511 *usedlen = 1;
9512 return NULL;
9513 }
9514
9515 /*
9516 * Skip when preceded with a backslash "\%" and "\#".
9517 * Note: In "\\%" the % is also not recognized!
9518 */
9519 if (src > srcstart && src[-1] == '\\')
9520 {
9521 *usedlen = 0;
9522 STRMOVE(src - 1, src); /* remove backslash */
9523 return NULL;
9524 }
9525
9526 /*
9527 * word or WORD under cursor
9528 */
9529 if (spec_idx == SPEC_CWORD || spec_idx == SPEC_CCWORD)
9530 {
9531 resultlen = find_ident_under_cursor(&result, spec_idx == SPEC_CWORD ?
9532 (FIND_IDENT|FIND_STRING) : FIND_STRING);
9533 if (resultlen == 0)
9534 {
9535 *errormsg = (char_u *)"";
9536 return NULL;
9537 }
9538 }
9539
9540 /*
9541 * '#': Alternate file name
9542 * '%': Current file name
9543 * File name under the cursor
9544 * File name for autocommand
9545 * and following modifiers
9546 */
9547 else
9548 {
9549 switch (spec_idx)
9550 {
9551 case SPEC_PERC: /* '%': current file */
9552 if (curbuf->b_fname == NULL)
9553 {
9554 result = (char_u *)"";
9555 valid = 0; /* Must have ":p:h" to be valid */
9556 }
9557 else
9558 #ifdef RISCOS
9559 /* Always use the full path for RISC OS if possible. */
9560 result = curbuf->b_ffname;
9561 if (result == NULL)
9562 result = curbuf->b_fname;
9563 #else
9564 result = curbuf->b_fname;
9565 #endif
9566 break;
9567
9568 case SPEC_HASH: /* '#' or "#99": alternate file */
9569 if (src[1] == '#') /* "##": the argument list */
9570 {
9571 result = arg_all();
9572 resultbuf = result;
9573 *usedlen = 2;
9574 if (escaped != NULL)
9575 *escaped = TRUE;
9576 #ifdef FEAT_MODIFY_FNAME
9577 skip_mod = TRUE;
9578 #endif
9579 break;
9580 }
9581 s = src + 1;
9582 if (*s == '<') /* "#<99" uses v:oldfiles */
9583 ++s;
9584 i = (int)getdigits(&s);
9585 *usedlen = (int)(s - src); /* length of what we expand */
9586
9587 if (src[1] == '<')
9588 {
9589 if (*usedlen < 2)
9590 {
9591 /* Should we give an error message for #<text? */
9592 *usedlen = 1;
9593 return NULL;
9594 }
9595 #ifdef FEAT_EVAL
9596 result = list_find_str(get_vim_var_list(VV_OLDFILES),
9597 (long)i);
9598 if (result == NULL)
9599 {
9600 *errormsg = (char_u *)"";
9601 return NULL;
9602 }
9603 #else
9604 *errormsg = (char_u *)_("E809: #< is not available without the +eval feature");
9605 return NULL;
9606 #endif
9607 }
9608 else
9609 {
9610 buf = buflist_findnr(i);
9611 if (buf == NULL)
9612 {
9613 *errormsg = (char_u *)_("E194: No alternate file name to substitute for '#'");
9614 return NULL;
9615 }
9616 if (lnump != NULL)
9617 *lnump = ECMD_LAST;
9618 if (buf->b_fname == NULL)
9619 {
9620 result = (char_u *)"";
9621 valid = 0; /* Must have ":p:h" to be valid */
9622 }
9623 else
9624 result = buf->b_fname;
9625 }
9626 break;
9627
9628 #ifdef FEAT_SEARCHPATH
9629 case SPEC_CFILE: /* file name under cursor */
9630 result = file_name_at_cursor(FNAME_MESS|FNAME_HYP, 1L, NULL);
9631 if (result == NULL)
9632 {
9633 *errormsg = (char_u *)"";
9634 return NULL;
9635 }
9636 resultbuf = result; /* remember allocated string */
9637 break;
9638 #endif
9639
9640 #ifdef FEAT_AUTOCMD
9641 case SPEC_AFILE: /* file name for autocommand */
9642 result = autocmd_fname;
9643 if (result != NULL && !autocmd_fname_full)
9644 {
9645 /* Still need to turn the fname into a full path. It is
9646 * postponed to avoid a delay when <afile> is not used. */
9647 autocmd_fname_full = TRUE;
9648 result = FullName_save(autocmd_fname, FALSE);
9649 vim_free(autocmd_fname);
9650 autocmd_fname = result;
9651 }
9652 if (result == NULL)
9653 {
9654 *errormsg = (char_u *)_("E495: no autocommand file name to substitute for \"<afile>\"");
9655 return NULL;
9656 }
9657 result = shorten_fname1(result);
9658 break;
9659
9660 case SPEC_ABUF: /* buffer number for autocommand */
9661 if (autocmd_bufnr <= 0)
9662 {
9663 *errormsg = (char_u *)_("E496: no autocommand buffer number to substitute for \"<abuf>\"");
9664 return NULL;
9665 }
9666 sprintf((char *)strbuf, "%d", autocmd_bufnr);
9667 result = strbuf;
9668 break;
9669
9670 case SPEC_AMATCH: /* match name for autocommand */
9671 result = autocmd_match;
9672 if (result == NULL)
9673 {
9674 *errormsg = (char_u *)_("E497: no autocommand match name to substitute for \"<amatch>\"");
9675 return NULL;
9676 }
9677 break;
9678
9679 #endif
9680 case SPEC_SFILE: /* file name for ":so" command */
9681 result = sourcing_name;
9682 if (result == NULL)
9683 {
9684 *errormsg = (char_u *)_("E498: no :source file name to substitute for \"<sfile>\"");
9685 return NULL;
9686 }
9687 break;
9688 #if defined(FEAT_CLIENTSERVER)
9689 case SPEC_CLIENT: /* Source of last submitted input */
9690 sprintf((char *)strbuf, PRINTF_HEX_LONG_U,
9691 (long_u)clientWindow);
9692 result = strbuf;
9693 break;
9694 #endif
9695 }
9696
9697 resultlen = (int)STRLEN(result); /* length of new string */
9698 if (src[*usedlen] == '<') /* remove the file name extension */
9699 {
9700 ++*usedlen;
9701 #ifdef RISCOS
9702 if ((s = vim_strrchr(result, '/')) != NULL && s >= gettail(result))
9703 #else
9704 if ((s = vim_strrchr(result, '.')) != NULL && s >= gettail(result))
9705 #endif
9706 resultlen = (int)(s - result);
9707 }
9708 #ifdef FEAT_MODIFY_FNAME
9709 else if (!skip_mod)
9710 {
9711 valid |= modify_fname(src, usedlen, &result, &resultbuf,
9712 &resultlen);
9713 if (result == NULL)
9714 {
9715 *errormsg = (char_u *)"";
9716 return NULL;
9717 }
9718 }
9719 #endif
9720 }
9721
9722 if (resultlen == 0 || valid != VALID_HEAD + VALID_PATH)
9723 {
9724 if (valid != VALID_HEAD + VALID_PATH)
9725 /* xgettext:no-c-format */
9726 *errormsg = (char_u *)_("E499: Empty file name for '%' or '#', only works with \":p:h\"");
9727 else
9728 *errormsg = (char_u *)_("E500: Evaluates to an empty string");
9729 result = NULL;
9730 }
9731 else
9732 result = vim_strnsave(result, resultlen);
9733 vim_free(resultbuf);
9734 return result;
9735 }
9736
9737 /*
9738 * Concatenate all files in the argument list, separated by spaces, and return
9739 * it in one allocated string.
9740 * Spaces and backslashes in the file names are escaped with a backslash.
9741 * Returns NULL when out of memory.
9742 */
9743 static char_u *
9744 arg_all()
9745 {
9746 int len;
9747 int idx;
9748 char_u *retval = NULL;
9749 char_u *p;
9750
9751 /*
9752 * Do this loop two times:
9753 * first time: compute the total length
9754 * second time: concatenate the names
9755 */
9756 for (;;)
9757 {
9758 len = 0;
9759 for (idx = 0; idx < ARGCOUNT; ++idx)
9760 {
9761 p = alist_name(&ARGLIST[idx]);
9762 if (p != NULL)
9763 {
9764 if (len > 0)
9765 {
9766 /* insert a space in between names */
9767 if (retval != NULL)
9768 retval[len] = ' ';
9769 ++len;
9770 }
9771 for ( ; *p != NUL; ++p)
9772 {
9773 if (*p == ' ' || *p == '\\')
9774 {
9775 /* insert a backslash */
9776 if (retval != NULL)
9777 retval[len] = '\\';
9778 ++len;
9779 }
9780 if (retval != NULL)
9781 retval[len] = *p;
9782 ++len;
9783 }
9784 }
9785 }
9786
9787 /* second time: break here */
9788 if (retval != NULL)
9789 {
9790 retval[len] = NUL;
9791 break;
9792 }
9793
9794 /* allocate memory */
9795 retval = alloc((unsigned)len + 1);
9796 if (retval == NULL)
9797 break;
9798 }
9799
9800 return retval;
9801 }
9802
9803 #if defined(FEAT_AUTOCMD) || defined(PROTO)
9804 /*
9805 * Expand the <sfile> string in "arg".
9806 *
9807 * Returns an allocated string, or NULL for any error.
9808 */
9809 char_u *
9810 expand_sfile(arg)
9811 char_u *arg;
9812 {
9813 char_u *errormsg;
9814 int len;
9815 char_u *result;
9816 char_u *newres;
9817 char_u *repl;
9818 int srclen;
9819 char_u *p;
9820
9821 result = vim_strsave(arg);
9822 if (result == NULL)
9823 return NULL;
9824
9825 for (p = result; *p; )
9826 {
9827 if (STRNCMP(p, "<sfile>", 7) != 0)
9828 ++p;
9829 else
9830 {
9831 /* replace "<sfile>" with the sourced file name, and do ":" stuff */
9832 repl = eval_vars(p, result, &srclen, NULL, &errormsg, NULL);
9833 if (errormsg != NULL)
9834 {
9835 if (*errormsg)
9836 emsg(errormsg);
9837 vim_free(result);
9838 return NULL;
9839 }
9840 if (repl == NULL) /* no match (cannot happen) */
9841 {
9842 p += srclen;
9843 continue;
9844 }
9845 len = (int)STRLEN(result) - srclen + (int)STRLEN(repl) + 1;
9846 newres = alloc(len);
9847 if (newres == NULL)
9848 {
9849 vim_free(repl);
9850 vim_free(result);
9851 return NULL;
9852 }
9853 mch_memmove(newres, result, (size_t)(p - result));
9854 STRCPY(newres + (p - result), repl);
9855 len = (int)STRLEN(newres);
9856 STRCAT(newres, p + srclen);
9857 vim_free(repl);
9858 vim_free(result);
9859 result = newres;
9860 p = newres + len; /* continue after the match */
9861 }
9862 }
9863
9864 return result;
9865 }
9866 #endif
9867
9868 #ifdef FEAT_SESSION
9869 static int ses_winsizes __ARGS((FILE *fd, int restore_size,
9870 win_T *tab_firstwin));
9871 static int ses_win_rec __ARGS((FILE *fd, frame_T *fr));
9872 static frame_T *ses_skipframe __ARGS((frame_T *fr));
9873 static int ses_do_frame __ARGS((frame_T *fr));
9874 static int ses_do_win __ARGS((win_T *wp));
9875 static int ses_arglist __ARGS((FILE *fd, char *cmd, garray_T *gap, int fullname, unsigned *flagp));
9876 static int ses_put_fname __ARGS((FILE *fd, char_u *name, unsigned *flagp));
9877 static int ses_fname __ARGS((FILE *fd, buf_T *buf, unsigned *flagp));
9878
9879 /*
9880 * Write openfile commands for the current buffers to an .exrc file.
9881 * Return FAIL on error, OK otherwise.
9882 */
9883 static int
9884 makeopens(fd, dirnow)
9885 FILE *fd;
9886 char_u *dirnow; /* Current directory name */
9887 {
9888 buf_T *buf;
9889 int only_save_windows = TRUE;
9890 int nr;
9891 int cnr = 1;
9892 int restore_size = TRUE;
9893 win_T *wp;
9894 char_u *sname;
9895 win_T *edited_win = NULL;
9896 int tabnr;
9897 win_T *tab_firstwin;
9898 frame_T *tab_topframe;
9899 int cur_arg_idx = 0;
9900 int next_arg_idx = 0;
9901
9902 if (ssop_flags & SSOP_BUFFERS)
9903 only_save_windows = FALSE; /* Save ALL buffers */
9904
9905 /*
9906 * Begin by setting the this_session variable, and then other
9907 * sessionable variables.
9908 */
9909 #ifdef FEAT_EVAL
9910 if (put_line(fd, "let v:this_session=expand(\"<sfile>:p\")") == FAIL)
9911 return FAIL;
9912 if (ssop_flags & SSOP_GLOBALS)
9913 if (store_session_globals(fd) == FAIL)
9914 return FAIL;
9915 #endif
9916
9917 /*
9918 * Close all windows but one.
9919 */
9920 if (put_line(fd, "silent only") == FAIL)
9921 return FAIL;
9922
9923 /*
9924 * Now a :cd command to the session directory or the current directory
9925 */
9926 if (ssop_flags & SSOP_SESDIR)
9927 {
9928 if (put_line(fd, "exe \"cd \" . escape(expand(\"<sfile>:p:h\"), ' ')")
9929 == FAIL)
9930 return FAIL;
9931 }
9932 else if (ssop_flags & SSOP_CURDIR)
9933 {
9934 sname = home_replace_save(NULL, globaldir != NULL ? globaldir : dirnow);
9935 if (sname == NULL
9936 || fputs("cd ", fd) < 0
9937 || ses_put_fname(fd, sname, &ssop_flags) == FAIL
9938 || put_eol(fd) == FAIL)
9939 {
9940 vim_free(sname);
9941 return FAIL;
9942 }
9943 vim_free(sname);
9944 }
9945
9946 /*
9947 * If there is an empty, unnamed buffer we will wipe it out later.
9948 * Remember the buffer number.
9949 */
9950 if (put_line(fd, "if expand('%') == '' && !&modified && line('$') <= 1 && getline(1) == ''") == FAIL)
9951 return FAIL;
9952 if (put_line(fd, " let s:wipebuf = bufnr('%')") == FAIL)
9953 return FAIL;
9954 if (put_line(fd, "endif") == FAIL)
9955 return FAIL;
9956
9957 /*
9958 * Now save the current files, current buffer first.
9959 */
9960 if (put_line(fd, "set shortmess=aoO") == FAIL)
9961 return FAIL;
9962
9963 /* Now put the other buffers into the buffer list */
9964 for (buf = firstbuf; buf != NULL; buf = buf->b_next)
9965 {
9966 if (!(only_save_windows && buf->b_nwindows == 0)
9967 && !(buf->b_help && !(ssop_flags & SSOP_HELP))
9968 && buf->b_fname != NULL
9969 && buf->b_p_bl)
9970 {
9971 if (fprintf(fd, "badd +%ld ", buf->b_wininfo == NULL ? 1L
9972 : buf->b_wininfo->wi_fpos.lnum) < 0
9973 || ses_fname(fd, buf, &ssop_flags) == FAIL)
9974 return FAIL;
9975 }
9976 }
9977
9978 /* the global argument list */
9979 if (ses_arglist(fd, "args", &global_alist.al_ga,
9980 !(ssop_flags & SSOP_CURDIR), &ssop_flags) == FAIL)
9981 return FAIL;
9982
9983 if (ssop_flags & SSOP_RESIZE)
9984 {
9985 /* Note: after the restore we still check it worked!*/
9986 if (fprintf(fd, "set lines=%ld columns=%ld" , Rows, Columns) < 0
9987 || put_eol(fd) == FAIL)
9988 return FAIL;
9989 #ifdef FEAT_FULLSCREEN
9990 /* fullscreen needs to be set after lines and columns */
9991 if (p_fullscreen)
9992 {
9993 if (fprintf(fd, "set fullscreen") < 0 || put_eol(fd) == FAIL)
9994 return FAIL;
9995 }
9996 #endif
9997 }
9998
9999 #ifdef FEAT_GUI
10000 if (gui.in_use && (ssop_flags & SSOP_WINPOS))
10001 {
10002 int x, y;
10003
10004 if (gui_mch_get_winpos(&x, &y) == OK)
10005 {
10006 /* Note: after the restore we still check it worked!*/
10007 if (fprintf(fd, "winpos %d %d", x, y) < 0 || put_eol(fd) == FAIL)
10008 return FAIL;
10009 }
10010 }
10011 #endif
10012
10013 /*
10014 * May repeat putting Windows for each tab, when "tabpages" is in
10015 * 'sessionoptions'.
10016 * Don't use goto_tabpage(), it may change directory and trigger
10017 * autocommands.
10018 */
10019 tab_firstwin = firstwin; /* first window in tab page "tabnr" */
10020 tab_topframe = topframe;
10021 for (tabnr = 1; ; ++tabnr)
10022 {
10023 int need_tabnew = FALSE;
10024
10025 if ((ssop_flags & SSOP_TABPAGES))
10026 {
10027 tabpage_T *tp = find_tabpage(tabnr);
10028
10029 if (tp == NULL)
10030 break; /* done all tab pages */
10031 if (tp == curtab)
10032 {
10033 tab_firstwin = firstwin;
10034 tab_topframe = topframe;
10035 }
10036 else
10037 {
10038 tab_firstwin = tp->tp_firstwin;
10039 tab_topframe = tp->tp_topframe;
10040 }
10041 if (tabnr > 1)
10042 need_tabnew = TRUE;
10043 }
10044
10045 /*
10046 * Before creating the window layout, try loading one file. If this
10047 * is aborted we don't end up with a number of useless windows.
10048 * This may have side effects! (e.g., compressed or network file).
10049 */
10050 for (wp = tab_firstwin; wp != NULL; wp = wp->w_next)
10051 {
10052 if (ses_do_win(wp)
10053 && wp->w_buffer->b_ffname != NULL
10054 && !wp->w_buffer->b_help
10055 #ifdef FEAT_QUICKFIX
10056 && !bt_nofile(wp->w_buffer)
10057 #endif
10058 )
10059 {
10060 if (fputs(need_tabnew ? "tabedit " : "edit ", fd) < 0
10061 || ses_fname(fd, wp->w_buffer, &ssop_flags) == FAIL)
10062 return FAIL;
10063 need_tabnew = FALSE;
10064 if (!wp->w_arg_idx_invalid)
10065 edited_win = wp;
10066 break;
10067 }
10068 }
10069
10070 /* If no file got edited create an empty tab page. */
10071 if (need_tabnew && put_line(fd, "tabnew") == FAIL)
10072 return FAIL;
10073
10074 /*
10075 * Save current window layout.
10076 */
10077 if (put_line(fd, "set splitbelow splitright") == FAIL)
10078 return FAIL;
10079 if (ses_win_rec(fd, tab_topframe) == FAIL)
10080 return FAIL;
10081 if (!p_sb && put_line(fd, "set nosplitbelow") == FAIL)
10082 return FAIL;
10083 if (!p_spr && put_line(fd, "set nosplitright") == FAIL)
10084 return FAIL;
10085
10086 /*
10087 * Check if window sizes can be restored (no windows omitted).
10088 * Remember the window number of the current window after restoring.
10089 */
10090 nr = 0;
10091 for (wp = tab_firstwin; wp != NULL; wp = W_NEXT(wp))
10092 {
10093 if (ses_do_win(wp))
10094 ++nr;
10095 else
10096 restore_size = FALSE;
10097 if (curwin == wp)
10098 cnr = nr;
10099 }
10100
10101 /* Go to the first window. */
10102 if (put_line(fd, "wincmd t") == FAIL)
10103 return FAIL;
10104
10105 /*
10106 * If more than one window, see if sizes can be restored.
10107 * First set 'winheight' and 'winwidth' to 1 to avoid the windows being
10108 * resized when moving between windows.
10109 * Do this before restoring the view, so that the topline and the
10110 * cursor can be set. This is done again below.
10111 */
10112 if (put_line(fd, "set winheight=1 winwidth=1") == FAIL)
10113 return FAIL;
10114 if (nr > 1 && ses_winsizes(fd, restore_size, tab_firstwin) == FAIL)
10115 return FAIL;
10116
10117 /*
10118 * Restore the view of the window (options, file, cursor, etc.).
10119 */
10120 for (wp = tab_firstwin; wp != NULL; wp = wp->w_next)
10121 {
10122 if (!ses_do_win(wp))
10123 continue;
10124 if (put_view(fd, wp, wp != edited_win, &ssop_flags,
10125 cur_arg_idx) == FAIL)
10126 return FAIL;
10127 if (nr > 1 && put_line(fd, "wincmd w") == FAIL)
10128 return FAIL;
10129 next_arg_idx = wp->w_arg_idx;
10130 }
10131
10132 /* The argument index in the first tab page is zero, need to set it in
10133 * each window. For further tab pages it's the window where we do
10134 * "tabedit". */
10135 cur_arg_idx = next_arg_idx;
10136
10137 /*
10138 * Restore cursor to the current window if it's not the first one.
10139 */
10140 if (cnr > 1 && (fprintf(fd, "%dwincmd w", cnr) < 0
10141 || put_eol(fd) == FAIL))
10142 return FAIL;
10143
10144 /*
10145 * Restore window sizes again after jumping around in windows, because
10146 * the current window has a minimum size while others may not.
10147 */
10148 if (nr > 1 && ses_winsizes(fd, restore_size, tab_firstwin) == FAIL)
10149 return FAIL;
10150
10151 /* Don't continue in another tab page when doing only the current one
10152 * or when at the last tab page. */
10153 if (!(ssop_flags & SSOP_TABPAGES))
10154 break;
10155 }
10156
10157 if (ssop_flags & SSOP_TABPAGES)
10158 {
10159 if (fprintf(fd, "tabnext %d", tabpage_index(curtab)) < 0
10160 || put_eol(fd) == FAIL)
10161 return FAIL;
10162 }
10163
10164 /*
10165 * Wipe out an empty unnamed buffer we started in.
10166 */
10167 if (put_line(fd, "if exists('s:wipebuf')") == FAIL)
10168 return FAIL;
10169 if (put_line(fd, " silent exe 'bwipe ' . s:wipebuf") == FAIL)
10170 return FAIL;
10171 if (put_line(fd, "endif") == FAIL)
10172 return FAIL;
10173 if (put_line(fd, "unlet! s:wipebuf") == FAIL)
10174 return FAIL;
10175
10176 /* Re-apply 'winheight', 'winwidth' and 'shortmess'. */
10177 if (fprintf(fd, "set winheight=%ld winwidth=%ld shortmess=%s",
10178 p_wh, p_wiw, p_shm) < 0 || put_eol(fd) == FAIL)
10179 return FAIL;
10180
10181 /*
10182 * Lastly, execute the x.vim file if it exists.
10183 */
10184 if (put_line(fd, "let s:sx = expand(\"<sfile>:p:r\").\"x.vim\"") == FAIL
10185 || put_line(fd, "if file_readable(s:sx)") == FAIL
10186 || put_line(fd, " exe \"source \" . fnameescape(s:sx)") == FAIL
10187 || put_line(fd, "endif") == FAIL)
10188 return FAIL;
10189
10190 return OK;
10191 }
10192
10193 static int
10194 ses_winsizes(fd, restore_size, tab_firstwin)
10195 FILE *fd;
10196 int restore_size;
10197 win_T *tab_firstwin;
10198 {
10199 int n = 0;
10200 win_T *wp;
10201
10202 if (restore_size && (ssop_flags & SSOP_WINSIZE))
10203 {
10204 for (wp = tab_firstwin; wp != NULL; wp = wp->w_next)
10205 {
10206 if (!ses_do_win(wp))
10207 continue;
10208 ++n;
10209
10210 /* restore height when not full height */
10211 if (wp->w_height + wp->w_status_height < topframe->fr_height
10212 && (fprintf(fd,
10213 "exe '%dresize ' . ((&lines * %ld + %ld) / %ld)",
10214 n, (long)wp->w_height, Rows / 2, Rows) < 0
10215 || put_eol(fd) == FAIL))
10216 return FAIL;
10217
10218 /* restore width when not full width */
10219 if (wp->w_width < Columns && (fprintf(fd,
10220 "exe 'vert %dresize ' . ((&columns * %ld + %ld) / %ld)",
10221 n, (long)wp->w_width, Columns / 2, Columns) < 0
10222 || put_eol(fd) == FAIL))
10223 return FAIL;
10224 }
10225 }
10226 else
10227 {
10228 /* Just equalise window sizes */
10229 if (put_line(fd, "wincmd =") == FAIL)
10230 return FAIL;
10231 }
10232 return OK;
10233 }
10234
10235 /*
10236 * Write commands to "fd" to recursively create windows for frame "fr",
10237 * horizontally and vertically split.
10238 * After the commands the last window in the frame is the current window.
10239 * Returns FAIL when writing the commands to "fd" fails.
10240 */
10241 static int
10242 ses_win_rec(fd, fr)
10243 FILE *fd;
10244 frame_T *fr;
10245 {
10246 frame_T *frc;
10247 int count = 0;
10248
10249 if (fr->fr_layout != FR_LEAF)
10250 {
10251 /* Find first frame that's not skipped and then create a window for
10252 * each following one (first frame is already there). */
10253 frc = ses_skipframe(fr->fr_child);
10254 if (frc != NULL)
10255 while ((frc = ses_skipframe(frc->fr_next)) != NULL)
10256 {
10257 /* Make window as big as possible so that we have lots of room
10258 * to split. */
10259 if (put_line(fd, "wincmd _ | wincmd |") == FAIL
10260 || put_line(fd, fr->fr_layout == FR_COL
10261 ? "split" : "vsplit") == FAIL)
10262 return FAIL;
10263 ++count;
10264 }
10265
10266 /* Go back to the first window. */
10267 if (count > 0 && (fprintf(fd, fr->fr_layout == FR_COL
10268 ? "%dwincmd k" : "%dwincmd h", count) < 0
10269 || put_eol(fd) == FAIL))
10270 return FAIL;
10271
10272 /* Recursively create frames/windows in each window of this column or
10273 * row. */
10274 frc = ses_skipframe(fr->fr_child);
10275 while (frc != NULL)
10276 {
10277 ses_win_rec(fd, frc);
10278 frc = ses_skipframe(frc->fr_next);
10279 /* Go to next window. */
10280 if (frc != NULL && put_line(fd, "wincmd w") == FAIL)
10281 return FAIL;
10282 }
10283 }
10284 return OK;
10285 }
10286
10287 /*
10288 * Skip frames that don't contain windows we want to save in the Session.
10289 * Returns NULL when there none.
10290 */
10291 static frame_T *
10292 ses_skipframe(fr)
10293 frame_T *fr;
10294 {
10295 frame_T *frc;
10296
10297 for (frc = fr; frc != NULL; frc = frc->fr_next)
10298 if (ses_do_frame(frc))
10299 break;
10300 return frc;
10301 }
10302
10303 /*
10304 * Return TRUE if frame "fr" has a window somewhere that we want to save in
10305 * the Session.
10306 */
10307 static int
10308 ses_do_frame(fr)
10309 frame_T *fr;
10310 {
10311 frame_T *frc;
10312
10313 if (fr->fr_layout == FR_LEAF)
10314 return ses_do_win(fr->fr_win);
10315 for (frc = fr->fr_child; frc != NULL; frc = frc->fr_next)
10316 if (ses_do_frame(frc))
10317 return TRUE;
10318 return FALSE;
10319 }
10320
10321 /*
10322 * Return non-zero if window "wp" is to be stored in the Session.
10323 */
10324 static int
10325 ses_do_win(wp)
10326 win_T *wp;
10327 {
10328 if (wp->w_buffer->b_fname == NULL
10329 #ifdef FEAT_QUICKFIX
10330 /* When 'buftype' is "nofile" can't restore the window contents. */
10331 || bt_nofile(wp->w_buffer)
10332 #endif
10333 )
10334 return (ssop_flags & SSOP_BLANK);
10335 if (wp->w_buffer->b_help)
10336 return (ssop_flags & SSOP_HELP);
10337 return TRUE;
10338 }
10339
10340 /*
10341 * Write commands to "fd" to restore the view of a window.
10342 * Caller must make sure 'scrolloff' is zero.
10343 */
10344 static int
10345 put_view(fd, wp, add_edit, flagp, current_arg_idx)
10346 FILE *fd;
10347 win_T *wp;
10348 int add_edit; /* add ":edit" command to view */
10349 unsigned *flagp; /* vop_flags or ssop_flags */
10350 int current_arg_idx; /* current argument index of the window, use
10351 * -1 if unknown */
10352 {
10353 win_T *save_curwin;
10354 int f;
10355 int do_cursor;
10356 int did_next = FALSE;
10357
10358 /* Always restore cursor position for ":mksession". For ":mkview" only
10359 * when 'viewoptions' contains "cursor". */
10360 do_cursor = (flagp == &ssop_flags || *flagp & SSOP_CURSOR);
10361
10362 /*
10363 * Local argument list.
10364 */
10365 if (wp->w_alist == &global_alist)
10366 {
10367 if (put_line(fd, "argglobal") == FAIL)
10368 return FAIL;
10369 }
10370 else
10371 {
10372 if (ses_arglist(fd, "arglocal", &wp->w_alist->al_ga,
10373 flagp == &vop_flags
10374 || !(*flagp & SSOP_CURDIR)
10375 || wp->w_localdir != NULL, flagp) == FAIL)
10376 return FAIL;
10377 }
10378
10379 /* Only when part of a session: restore the argument index. Some
10380 * arguments may have been deleted, check if the index is valid. */
10381 if (wp->w_arg_idx != current_arg_idx && wp->w_arg_idx <= WARGCOUNT(wp)
10382 && flagp == &ssop_flags)
10383 {
10384 if (fprintf(fd, "%ldargu", (long)wp->w_arg_idx + 1) < 0
10385 || put_eol(fd) == FAIL)
10386 return FAIL;
10387 did_next = TRUE;
10388 }
10389
10390 /* Edit the file. Skip this when ":next" already did it. */
10391 if (add_edit && (!did_next || wp->w_arg_idx_invalid))
10392 {
10393 /*
10394 * Load the file.
10395 */
10396 if (wp->w_buffer->b_ffname != NULL
10397 #ifdef FEAT_QUICKFIX
10398 && !bt_nofile(wp->w_buffer)
10399 #endif
10400 )
10401 {
10402 /*
10403 * Editing a file in this buffer: use ":edit file".
10404 * This may have side effects! (e.g., compressed or network file).
10405 */
10406 if (fputs("edit ", fd) < 0
10407 || ses_fname(fd, wp->w_buffer, flagp) == FAIL)
10408 return FAIL;
10409 }
10410 else
10411 {
10412 /* No file in this buffer, just make it empty. */
10413 if (put_line(fd, "enew") == FAIL)
10414 return FAIL;
10415 #ifdef FEAT_QUICKFIX
10416 if (wp->w_buffer->b_ffname != NULL)
10417 {
10418 /* The buffer does have a name, but it's not a file name. */
10419 if (fputs("file ", fd) < 0
10420 || ses_fname(fd, wp->w_buffer, flagp) == FAIL)
10421 return FAIL;
10422 }
10423 #endif
10424 do_cursor = FALSE;
10425 }
10426 }
10427
10428 /*
10429 * Local mappings and abbreviations.
10430 */
10431 if ((*flagp & (SSOP_OPTIONS | SSOP_LOCALOPTIONS))
10432 && makemap(fd, wp->w_buffer) == FAIL)
10433 return FAIL;
10434
10435 /*
10436 * Local options. Need to go to the window temporarily.
10437 * Store only local values when using ":mkview" and when ":mksession" is
10438 * used and 'sessionoptions' doesn't include "options".
10439 * Some folding options are always stored when "folds" is included,
10440 * otherwise the folds would not be restored correctly.
10441 */
10442 save_curwin = curwin;
10443 curwin = wp;
10444 curbuf = curwin->w_buffer;
10445 if (*flagp & (SSOP_OPTIONS | SSOP_LOCALOPTIONS))
10446 f = makeset(fd, OPT_LOCAL,
10447 flagp == &vop_flags || !(*flagp & SSOP_OPTIONS));
10448 #ifdef FEAT_FOLDING
10449 else if (*flagp & SSOP_FOLDS)
10450 f = makefoldset(fd);
10451 #endif
10452 else
10453 f = OK;
10454 curwin = save_curwin;
10455 curbuf = curwin->w_buffer;
10456 if (f == FAIL)
10457 return FAIL;
10458
10459 #ifdef FEAT_FOLDING
10460 /*
10461 * Save Folds when 'buftype' is empty and for help files.
10462 */
10463 if ((*flagp & SSOP_FOLDS)
10464 && wp->w_buffer->b_ffname != NULL
10465 # ifdef FEAT_QUICKFIX
10466 && (*wp->w_buffer->b_p_bt == NUL || wp->w_buffer->b_help)
10467 # endif
10468 )
10469 {
10470 if (put_folds(fd, wp) == FAIL)
10471 return FAIL;
10472 }
10473 #endif
10474
10475 /*
10476 * Set the cursor after creating folds, since that moves the cursor.
10477 */
10478 if (do_cursor)
10479 {
10480
10481 /* Restore the cursor line in the file and relatively in the
10482 * window. Don't use "G", it changes the jumplist. */
10483 if (fprintf(fd, "let s:l = %ld - ((%ld * winheight(0) + %ld) / %ld)",
10484 (long)wp->w_cursor.lnum,
10485 (long)(wp->w_cursor.lnum - wp->w_topline),
10486 (long)wp->w_height / 2, (long)wp->w_height) < 0
10487 || put_eol(fd) == FAIL
10488 || put_line(fd, "if s:l < 1 | let s:l = 1 | endif") == FAIL
10489 || put_line(fd, "exe s:l") == FAIL
10490 || put_line(fd, "normal! zt") == FAIL
10491 || fprintf(fd, "%ld", (long)wp->w_cursor.lnum) < 0
10492 || put_eol(fd) == FAIL)
10493 return FAIL;
10494 /* Restore the cursor column and left offset when not wrapping. */
10495 if (wp->w_cursor.col == 0)
10496 {
10497 if (put_line(fd, "normal! 0") == FAIL)
10498 return FAIL;
10499 }
10500 else
10501 {
10502 if (!wp->w_p_wrap && wp->w_leftcol > 0 && wp->w_width > 0)
10503 {
10504 if (fprintf(fd,
10505 "let s:c = %ld - ((%ld * winwidth(0) + %ld) / %ld)",
10506 (long)wp->w_cursor.col,
10507 (long)(wp->w_cursor.col - wp->w_leftcol),
10508 (long)wp->w_width / 2, (long)wp->w_width) < 0
10509 || put_eol(fd) == FAIL
10510 || put_line(fd, "if s:c > 0") == FAIL
10511 || fprintf(fd,
10512 " exe 'normal! 0' . s:c . 'lzs' . (%ld - s:c) . 'l'",
10513 (long)wp->w_cursor.col) < 0
10514 || put_eol(fd) == FAIL
10515 || put_line(fd, "else") == FAIL
10516 || fprintf(fd, " normal! 0%dl", wp->w_cursor.col) < 0
10517 || put_eol(fd) == FAIL
10518 || put_line(fd, "endif") == FAIL)
10519 return FAIL;
10520 }
10521 else
10522 {
10523 if (fprintf(fd, "normal! 0%dl", wp->w_cursor.col) < 0
10524 || put_eol(fd) == FAIL)
10525 return FAIL;
10526 }
10527 }
10528 }
10529
10530 /*
10531 * Local directory.
10532 */
10533 if (wp->w_localdir != NULL)
10534 {
10535 if (fputs("lcd ", fd) < 0
10536 || ses_put_fname(fd, wp->w_localdir, flagp) == FAIL
10537 || put_eol(fd) == FAIL)
10538 return FAIL;
10539 did_lcd = TRUE;
10540 }
10541
10542 return OK;
10543 }
10544
10545 /*
10546 * Write an argument list to the session file.
10547 * Returns FAIL if writing fails.
10548 */
10549 static int
10550 ses_arglist(fd, cmd, gap, fullname, flagp)
10551 FILE *fd;
10552 char *cmd;
10553 garray_T *gap;
10554 int fullname; /* TRUE: use full path name */
10555 unsigned *flagp;
10556 {
10557 int i;
10558 char_u buf[MAXPATHL];
10559 char_u *s;
10560
10561 if (gap->ga_len == 0)
10562 return put_line(fd, "silent! argdel *");
10563 if (fputs(cmd, fd) < 0)
10564 return FAIL;
10565 for (i = 0; i < gap->ga_len; ++i)
10566 {
10567 /* NULL file names are skipped (only happens when out of memory). */
10568 s = alist_name(&((aentry_T *)gap->ga_data)[i]);
10569 if (s != NULL)
10570 {
10571 if (fullname)
10572 {
10573 (void)vim_FullName(s, buf, MAXPATHL, FALSE);
10574 s = buf;
10575 }
10576 if (fputs(" ", fd) < 0 || ses_put_fname(fd, s, flagp) == FAIL)
10577 return FAIL;
10578 }
10579 }
10580 return put_eol(fd);
10581 }
10582
10583 /*
10584 * Write a buffer name to the session file.
10585 * Also ends the line.
10586 * Returns FAIL if writing fails.
10587 */
10588 static int
10589 ses_fname(fd, buf, flagp)
10590 FILE *fd;
10591 buf_T *buf;
10592 unsigned *flagp;
10593 {
10594 char_u *name;
10595
10596 /* Use the short file name if the current directory is known at the time
10597 * the session file will be sourced.
10598 * Don't do this for ":mkview", we don't know the current directory.
10599 * Don't do this after ":lcd", we don't keep track of what the current
10600 * directory is. */
10601 if (buf->b_sfname != NULL
10602 && flagp == &ssop_flags
10603 && (ssop_flags & (SSOP_CURDIR | SSOP_SESDIR))
10604 && !did_lcd)
10605 name = buf->b_sfname;
10606 else
10607 name = buf->b_ffname;
10608 if (ses_put_fname(fd, name, flagp) == FAIL || put_eol(fd) == FAIL)
10609 return FAIL;
10610 return OK;
10611 }
10612
10613 /*
10614 * Write a file name to the session file.
10615 * Takes care of the "slash" option in 'sessionoptions' and escapes special
10616 * characters.
10617 * Returns FAIL if writing fails.
10618 */
10619 static int
10620 ses_put_fname(fd, name, flagp)
10621 FILE *fd;
10622 char_u *name;
10623 unsigned *flagp;
10624 {
10625 char_u *sname;
10626 int retval = OK;
10627 int c;
10628
10629 sname = home_replace_save(NULL, name);
10630 if (sname != NULL)
10631 name = sname;
10632 while (*name != NUL)
10633 {
10634 #ifdef FEAT_MBYTE
10635 {
10636 int l;
10637
10638 if (has_mbyte && (l = (*mb_ptr2len)(name)) > 1)
10639 {
10640 /* copy a multibyte char */
10641 while (--l >= 0)
10642 {
10643 if (putc(*name, fd) != *name)
10644 retval = FAIL;
10645 ++name;
10646 }
10647 continue;
10648 }
10649 }
10650 #endif
10651 c = *name++;
10652 if (c == '\\' && (*flagp & SSOP_SLASH))
10653 /* change a backslash to a forward slash */
10654 c = '/';
10655 else if ((vim_strchr(escape_chars, c) != NULL
10656 #ifdef BACKSLASH_IN_FILENAME
10657 && c != '\\'
10658 #endif
10659 ) || c == '#' || c == '%')
10660 {
10661 /* escape a special character with a backslash */
10662 if (putc('\\', fd) != '\\')
10663 retval = FAIL;
10664 }
10665 if (putc(c, fd) != c)
10666 retval = FAIL;
10667 }
10668 vim_free(sname);
10669 return retval;
10670 }
10671
10672 /*
10673 * ":loadview [nr]"
10674 */
10675 static void
10676 ex_loadview(eap)
10677 exarg_T *eap;
10678 {
10679 char_u *fname;
10680
10681 fname = get_view_file(*eap->arg);
10682 if (fname != NULL)
10683 {
10684 do_source(fname, FALSE, DOSO_NONE);
10685 vim_free(fname);
10686 }
10687 }
10688
10689 /*
10690 * Get the name of the view file for the current buffer.
10691 */
10692 static char_u *
10693 get_view_file(c)
10694 int c;
10695 {
10696 int len = 0;
10697 char_u *p, *s;
10698 char_u *retval;
10699 char_u *sname;
10700
10701 if (curbuf->b_ffname == NULL)
10702 {
10703 EMSG(_(e_noname));
10704 return NULL;
10705 }
10706 sname = home_replace_save(NULL, curbuf->b_ffname);
10707 if (sname == NULL)
10708 return NULL;
10709
10710 /*
10711 * We want a file name without separators, because we're not going to make
10712 * a directory.
10713 * "normal" path separator -> "=+"
10714 * "=" -> "=="
10715 * ":" path separator -> "=-"
10716 */
10717 for (p = sname; *p; ++p)
10718 if (*p == '=' || vim_ispathsep(*p))
10719 ++len;
10720 retval = alloc((unsigned)(STRLEN(sname) + len + STRLEN(p_vdir) + 9));
10721 if (retval != NULL)
10722 {
10723 STRCPY(retval, p_vdir);
10724 add_pathsep(retval);
10725 s = retval + STRLEN(retval);
10726 for (p = sname; *p; ++p)
10727 {
10728 if (*p == '=')
10729 {
10730 *s++ = '=';
10731 *s++ = '=';
10732 }
10733 else if (vim_ispathsep(*p))
10734 {
10735 *s++ = '=';
10736 #if defined(BACKSLASH_IN_FILENAME) || defined(AMIGA) || defined(RISCOS) \
10737 || defined(VMS)
10738 if (*p == ':')
10739 *s++ = '-';
10740 else
10741 #endif
10742 *s++ = '+';
10743 }
10744 else
10745 *s++ = *p;
10746 }
10747 *s++ = '=';
10748 *s++ = c;
10749 STRCPY(s, ".vim");
10750 }
10751
10752 vim_free(sname);
10753 return retval;
10754 }
10755
10756 #endif /* FEAT_SESSION */
10757
10758 /*
10759 * Write end-of-line character(s) for ":mkexrc", ":mkvimrc" and ":mksession".
10760 * Return FAIL for a write error.
10761 */
10762 int
10763 put_eol(fd)
10764 FILE *fd;
10765 {
10766 if (
10767 #ifdef USE_CRNL
10768 (
10769 # ifdef MKSESSION_NL
10770 !mksession_nl &&
10771 # endif
10772 (putc('\r', fd) < 0)) ||
10773 #endif
10774 (putc('\n', fd) < 0))
10775 return FAIL;
10776 return OK;
10777 }
10778
10779 /*
10780 * Write a line to "fd".
10781 * Return FAIL for a write error.
10782 */
10783 int
10784 put_line(fd, s)
10785 FILE *fd;
10786 char *s;
10787 {
10788 if (fputs(s, fd) < 0 || put_eol(fd) == FAIL)
10789 return FAIL;
10790 return OK;
10791 }
10792
10793 #ifdef FEAT_VIMINFO
10794 /*
10795 * ":rviminfo" and ":wviminfo".
10796 */
10797 static void
10798 ex_viminfo(eap)
10799 exarg_T *eap;
10800 {
10801 char_u *save_viminfo;
10802
10803 save_viminfo = p_viminfo;
10804 if (*p_viminfo == NUL)
10805 p_viminfo = (char_u *)"'100";
10806 if (eap->cmdidx == CMD_rviminfo)
10807 {
10808 if (read_viminfo(eap->arg, VIF_WANT_INFO | VIF_WANT_MARKS
10809 | (eap->forceit ? VIF_FORCEIT : 0)) == FAIL)
10810 EMSG(_("E195: Cannot open viminfo file for reading"));
10811 }
10812 else
10813 write_viminfo(eap->arg, eap->forceit);
10814 p_viminfo = save_viminfo;
10815 }
10816 #endif
10817
10818 #if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG) || defined(PROTO)
10819 /*
10820 * Make a dialog message in "buff[IOSIZE]".
10821 * "format" must contain "%s".
10822 */
10823 void
10824 dialog_msg(buff, format, fname)
10825 char_u *buff;
10826 char *format;
10827 char_u *fname;
10828 {
10829 if (fname == NULL)
10830 fname = (char_u *)_("Untitled");
10831 vim_snprintf((char *)buff, IOSIZE, format, fname);
10832 }
10833 #endif
10834
10835 /*
10836 * ":behave {mswin,xterm}"
10837 */
10838 static void
10839 ex_behave(eap)
10840 exarg_T *eap;
10841 {
10842 if (STRCMP(eap->arg, "mswin") == 0)
10843 {
10844 set_option_value((char_u *)"selection", 0L, (char_u *)"exclusive", 0);
10845 set_option_value((char_u *)"selectmode", 0L, (char_u *)"mouse,key", 0);
10846 set_option_value((char_u *)"mousemodel", 0L, (char_u *)"popup", 0);
10847 set_option_value((char_u *)"keymodel", 0L,
10848 (char_u *)"startsel,stopsel", 0);
10849 }
10850 else if (STRCMP(eap->arg, "xterm") == 0)
10851 {
10852 set_option_value((char_u *)"selection", 0L, (char_u *)"inclusive", 0);
10853 set_option_value((char_u *)"selectmode", 0L, (char_u *)"", 0);
10854 set_option_value((char_u *)"mousemodel", 0L, (char_u *)"extend", 0);
10855 set_option_value((char_u *)"keymodel", 0L, (char_u *)"", 0);
10856 }
10857 else
10858 EMSG2(_(e_invarg2), eap->arg);
10859 }
10860
10861 #ifdef FEAT_AUTOCMD
10862 static int filetype_detect = FALSE;
10863 static int filetype_plugin = FALSE;
10864 static int filetype_indent = FALSE;
10865
10866 /*
10867 * ":filetype [plugin] [indent] {on,off,detect}"
10868 * on: Load the filetype.vim file to install autocommands for file types.
10869 * off: Load the ftoff.vim file to remove all autocommands for file types.
10870 * plugin on: load filetype.vim and ftplugin.vim
10871 * plugin off: load ftplugof.vim
10872 * indent on: load filetype.vim and indent.vim
10873 * indent off: load indoff.vim
10874 */
10875 static void
10876 ex_filetype(eap)
10877 exarg_T *eap;
10878 {
10879 char_u *arg = eap->arg;
10880 int plugin = FALSE;
10881 int indent = FALSE;
10882
10883 if (*eap->arg == NUL)
10884 {
10885 /* Print current status. */
10886 smsg((char_u *)"filetype detection:%s plugin:%s indent:%s",
10887 filetype_detect ? "ON" : "OFF",
10888 filetype_plugin ? (filetype_detect ? "ON" : "(on)") : "OFF",
10889 filetype_indent ? (filetype_detect ? "ON" : "(on)") : "OFF");
10890 return;
10891 }
10892
10893 /* Accept "plugin" and "indent" in any order. */
10894 for (;;)
10895 {
10896 if (STRNCMP(arg, "plugin", 6) == 0)
10897 {
10898 plugin = TRUE;
10899 arg = skipwhite(arg + 6);
10900 continue;
10901 }
10902 if (STRNCMP(arg, "indent", 6) == 0)
10903 {
10904 indent = TRUE;
10905 arg = skipwhite(arg + 6);
10906 continue;
10907 }
10908 break;
10909 }
10910 if (STRCMP(arg, "on") == 0 || STRCMP(arg, "detect") == 0)
10911 {
10912 if (*arg == 'o' || !filetype_detect)
10913 {
10914 source_runtime((char_u *)FILETYPE_FILE, TRUE);
10915 filetype_detect = TRUE;
10916 if (plugin)
10917 {
10918 source_runtime((char_u *)FTPLUGIN_FILE, TRUE);
10919 filetype_plugin = TRUE;
10920 }
10921 if (indent)
10922 {
10923 source_runtime((char_u *)INDENT_FILE, TRUE);
10924 filetype_indent = TRUE;
10925 }
10926 }
10927 if (*arg == 'd')
10928 {
10929 (void)do_doautocmd((char_u *)"filetypedetect BufRead", TRUE);
10930 do_modelines(0);
10931 }
10932 }
10933 else if (STRCMP(arg, "off") == 0)
10934 {
10935 if (plugin || indent)
10936 {
10937 if (plugin)
10938 {
10939 source_runtime((char_u *)FTPLUGOF_FILE, TRUE);
10940 filetype_plugin = FALSE;
10941 }
10942 if (indent)
10943 {
10944 source_runtime((char_u *)INDOFF_FILE, TRUE);
10945 filetype_indent = FALSE;
10946 }
10947 }
10948 else
10949 {
10950 source_runtime((char_u *)FTOFF_FILE, TRUE);
10951 filetype_detect = FALSE;
10952 }
10953 }
10954 else
10955 EMSG2(_(e_invarg2), arg);
10956 }
10957
10958 /*
10959 * ":setfiletype {name}"
10960 */
10961 static void
10962 ex_setfiletype(eap)
10963 exarg_T *eap;
10964 {
10965 if (!did_filetype)
10966 set_option_value((char_u *)"filetype", 0L, eap->arg, OPT_LOCAL);
10967 }
10968 #endif
10969
10970 static void
10971 ex_digraphs(eap)
10972 exarg_T *eap UNUSED;
10973 {
10974 #ifdef FEAT_DIGRAPHS
10975 if (*eap->arg != NUL)
10976 putdigraph(eap->arg);
10977 else
10978 listdigraphs();
10979 #else
10980 EMSG(_("E196: No digraphs in this version"));
10981 #endif
10982 }
10983
10984 static void
10985 ex_set(eap)
10986 exarg_T *eap;
10987 {
10988 int flags = 0;
10989
10990 if (eap->cmdidx == CMD_setlocal)
10991 flags = OPT_LOCAL;
10992 else if (eap->cmdidx == CMD_setglobal)
10993 flags = OPT_GLOBAL;
10994 #if defined(FEAT_EVAL) && defined(FEAT_AUTOCMD) && defined(FEAT_BROWSE)
10995 if (cmdmod.browse && flags == 0)
10996 ex_options(eap);
10997 else
10998 #endif
10999 (void)do_set(eap->arg, flags);
11000 }
11001
11002 #ifdef FEAT_SEARCH_EXTRA
11003 /*
11004 * ":nohlsearch"
11005 */
11006 static void
11007 ex_nohlsearch(eap)
11008 exarg_T *eap UNUSED;
11009 {
11010 no_hlsearch = TRUE;
11011 redraw_all_later(SOME_VALID);
11012 }
11013
11014 /*
11015 * ":[N]match {group} {pattern}"
11016 * Sets nextcmd to the start of the next command, if any. Also called when
11017 * skipping commands to find the next command.
11018 */
11019 static void
11020 ex_match(eap)
11021 exarg_T *eap;
11022 {
11023 char_u *p;
11024 char_u *g = NULL;
11025 char_u *end;
11026 int c;
11027 int id;
11028
11029 if (eap->line2 <= 3)
11030 id = eap->line2;
11031 else
11032 {
11033 EMSG(e_invcmd);
11034 return;
11035 }
11036
11037 /* First clear any old pattern. */
11038 if (!eap->skip)
11039 match_delete(curwin, id, FALSE);
11040
11041 if (ends_excmd(*eap->arg))
11042 end = eap->arg;
11043 else if ((STRNICMP(eap->arg, "none", 4) == 0
11044 && (vim_iswhite(eap->arg[4]) || ends_excmd(eap->arg[4]))))
11045 end = eap->arg + 4;
11046 else
11047 {
11048 p = skiptowhite(eap->arg);
11049 if (!eap->skip)
11050 g = vim_strnsave(eap->arg, (int)(p - eap->arg));
11051 p = skipwhite(p);
11052 if (*p == NUL)
11053 {
11054 /* There must be two arguments. */
11055 EMSG2(_(e_invarg2), eap->arg);
11056 return;
11057 }
11058 end = skip_regexp(p + 1, *p, TRUE, NULL);
11059 if (!eap->skip)
11060 {
11061 if (*end != NUL && !ends_excmd(*skipwhite(end + 1)))
11062 {
11063 eap->errmsg = e_trailing;
11064 return;
11065 }
11066 if (*end != *p)
11067 {
11068 EMSG2(_(e_invarg2), p);
11069 return;
11070 }
11071
11072 c = *end;
11073 *end = NUL;
11074 match_add(curwin, g, p + 1, 10, id);
11075 vim_free(g);
11076 *end = c;
11077 }
11078 }
11079 eap->nextcmd = find_nextcmd(end);
11080 }
11081 #endif
11082
11083 #ifdef FEAT_CRYPT
11084 /*
11085 * ":X": Get crypt key
11086 */
11087 static void
11088 ex_X(eap)
11089 exarg_T *eap UNUSED;
11090 {
11091 (void)get_crypt_key(TRUE, TRUE);
11092 }
11093 #endif
11094
11095 #ifdef FEAT_FOLDING
11096 static void
11097 ex_fold(eap)
11098 exarg_T *eap;
11099 {
11100 if (foldManualAllowed(TRUE))
11101 foldCreate(eap->line1, eap->line2);
11102 }
11103
11104 static void
11105 ex_foldopen(eap)
11106 exarg_T *eap;
11107 {
11108 opFoldRange(eap->line1, eap->line2, eap->cmdidx == CMD_foldopen,
11109 eap->forceit, FALSE);
11110 }
11111
11112 static void
11113 ex_folddo(eap)
11114 exarg_T *eap;
11115 {
11116 linenr_T lnum;
11117
11118 /* First set the marks for all lines closed/open. */
11119 for (lnum = eap->line1; lnum <= eap->line2; ++lnum)
11120 if (hasFolding(lnum, NULL, NULL) == (eap->cmdidx == CMD_folddoclosed))
11121 ml_setmarked(lnum);
11122
11123 /* Execute the command on the marked lines. */
11124 global_exe(eap->arg);
11125 ml_clearmarked(); /* clear rest of the marks */
11126 }
11127 #endif
Vim for the Mac