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[7.2.216] Two error messages have the same number E812.
[vim_extended.git] / src / ex_docmd.c
blob54d5b2dba75413d4adbda0ed488cf4cb81b3eaf9
1 /* vi:set ts=8 sts=4 sw=4:
2 *
3 * VIM - Vi IMproved by Bram Moolenaar
4 *
5 * Do ":help uganda" in Vim to read copying and usage conditions.
6 * Do ":help credits" in Vim to see a list of people who contributed.
7 * See README.txt for an overview of the Vim source code.
8 */
9
10 /*
11 * ex_docmd.c: functions for executing an Ex command line.
12 */
13
14 #include "vim.h"
15
16 static int quitmore = 0;
17 static int ex_pressedreturn = FALSE;
18 #ifndef FEAT_PRINTER
19 # define ex_hardcopy ex_ni
20 #endif
21
22 #ifdef FEAT_USR_CMDS
23 typedef struct ucmd
24 {
25 char_u *uc_name; /* The command name */
26 long_u uc_argt; /* The argument type */
27 char_u *uc_rep; /* The command's replacement string */
28 long uc_def; /* The default value for a range/count */
29 scid_T uc_scriptID; /* SID where the command was defined */
30 int uc_compl; /* completion type */
31 # if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL)
32 char_u *uc_compl_arg; /* completion argument if any */
33 # endif
34 } ucmd_T;
35
36 #define UC_BUFFER 1 /* -buffer: local to current buffer */
37
38 static garray_T ucmds = {0, 0, sizeof(ucmd_T), 4, NULL};
39
40 #define USER_CMD(i) (&((ucmd_T *)(ucmds.ga_data))[i])
41 #define USER_CMD_GA(gap, i) (&((ucmd_T *)((gap)->ga_data))[i])
42
43 static void do_ucmd __ARGS((exarg_T *eap));
44 static void ex_command __ARGS((exarg_T *eap));
45 static void ex_delcommand __ARGS((exarg_T *eap));
46 # ifdef FEAT_CMDL_COMPL
47 static char_u *get_user_command_name __ARGS((int idx));
48 # endif
49
50 #else
51 # define ex_command ex_ni
52 # define ex_comclear ex_ni
53 # define ex_delcommand ex_ni
54 #endif
55
56 #ifdef FEAT_EVAL
57 static char_u *do_one_cmd __ARGS((char_u **, int, struct condstack *, char_u *(*fgetline)(int, void *, int), void *cookie));
58 #else
59 static char_u *do_one_cmd __ARGS((char_u **, int, char_u *(*fgetline)(int, void *, int), void *cookie));
60 static int if_level = 0; /* depth in :if */
61 #endif
62 static char_u *find_command __ARGS((exarg_T *eap, int *full));
63
64 static void ex_abbreviate __ARGS((exarg_T *eap));
65 static void ex_map __ARGS((exarg_T *eap));
66 static void ex_unmap __ARGS((exarg_T *eap));
67 static void ex_mapclear __ARGS((exarg_T *eap));
68 static void ex_abclear __ARGS((exarg_T *eap));
69 #ifndef FEAT_MENU
70 # define ex_emenu ex_ni
71 # define ex_menu ex_ni
72 # define ex_menutranslate ex_ni
73 #endif
74 #ifdef FEAT_AUTOCMD
75 static void ex_autocmd __ARGS((exarg_T *eap));
76 static void ex_doautocmd __ARGS((exarg_T *eap));
77 #else
78 # define ex_autocmd ex_ni
79 # define ex_doautocmd ex_ni
80 # define ex_doautoall ex_ni
81 #endif
82 #ifdef FEAT_LISTCMDS
83 static void ex_bunload __ARGS((exarg_T *eap));
84 static void ex_buffer __ARGS((exarg_T *eap));
85 static void ex_bmodified __ARGS((exarg_T *eap));
86 static void ex_bnext __ARGS((exarg_T *eap));
87 static void ex_bprevious __ARGS((exarg_T *eap));
88 static void ex_brewind __ARGS((exarg_T *eap));
89 static void ex_blast __ARGS((exarg_T *eap));
90 #else
91 # define ex_bunload ex_ni
92 # define ex_buffer ex_ni
93 # define ex_bmodified ex_ni
94 # define ex_bnext ex_ni
95 # define ex_bprevious ex_ni
96 # define ex_brewind ex_ni
97 # define ex_blast ex_ni
98 # define buflist_list ex_ni
99 # define ex_checktime ex_ni
100 #endif
101 #if !defined(FEAT_LISTCMDS) || !defined(FEAT_WINDOWS)
102 # define ex_buffer_all ex_ni
103 #endif
104 static char_u *getargcmd __ARGS((char_u **));
105 static char_u *skip_cmd_arg __ARGS((char_u *p, int rembs));
106 static int getargopt __ARGS((exarg_T *eap));
107 #ifndef FEAT_QUICKFIX
108 # define ex_make ex_ni
109 # define ex_cbuffer ex_ni
110 # define ex_cc ex_ni
111 # define ex_cnext ex_ni
112 # define ex_cfile ex_ni
113 # define qf_list ex_ni
114 # define qf_age ex_ni
115 # define ex_helpgrep ex_ni
116 # define ex_vimgrep ex_ni
117 #endif
118 #if !defined(FEAT_QUICKFIX) || !defined(FEAT_WINDOWS)
119 # define ex_cclose ex_ni
120 # define ex_copen ex_ni
121 # define ex_cwindow ex_ni
122 #endif
123 #if !defined(FEAT_QUICKFIX) || !defined(FEAT_EVAL)
124 # define ex_cexpr ex_ni
125 #endif
126
127 static int check_more __ARGS((int, int));
128 static linenr_T get_address __ARGS((char_u **, int skip, int to_other_file));
129 static void get_flags __ARGS((exarg_T *eap));
130 #if !defined(FEAT_PERL) || !defined(FEAT_PYTHON) || !defined(FEAT_TCL) \
131 || !defined(FEAT_RUBY) || !defined(FEAT_MZSCHEME)
132 # define HAVE_EX_SCRIPT_NI
133 static void ex_script_ni __ARGS((exarg_T *eap));
134 #endif
135 static char_u *invalid_range __ARGS((exarg_T *eap));
136 static void correct_range __ARGS((exarg_T *eap));
137 #ifdef FEAT_QUICKFIX
138 static char_u *replace_makeprg __ARGS((exarg_T *eap, char_u *p, char_u **cmdlinep));
139 #endif
140 static char_u *repl_cmdline __ARGS((exarg_T *eap, char_u *src, int srclen, char_u *repl, char_u **cmdlinep));
141 static void ex_highlight __ARGS((exarg_T *eap));
142 static void ex_colorscheme __ARGS((exarg_T *eap));
143 static void ex_quit __ARGS((exarg_T *eap));
144 static void ex_cquit __ARGS((exarg_T *eap));
145 static void ex_quit_all __ARGS((exarg_T *eap));
146 #ifdef FEAT_WINDOWS
147 static void ex_close __ARGS((exarg_T *eap));
148 static void ex_win_close __ARGS((int forceit, win_T *win, tabpage_T *tp));
149 static void ex_only __ARGS((exarg_T *eap));
150 static void ex_resize __ARGS((exarg_T *eap));
151 static void ex_stag __ARGS((exarg_T *eap));
152 static void ex_tabclose __ARGS((exarg_T *eap));
153 static void ex_tabonly __ARGS((exarg_T *eap));
154 static void ex_tabnext __ARGS((exarg_T *eap));
155 static void ex_tabmove __ARGS((exarg_T *eap));
156 static void ex_tabs __ARGS((exarg_T *eap));
157 #else
158 # define ex_close ex_ni
159 # define ex_only ex_ni
160 # define ex_all ex_ni
161 # define ex_resize ex_ni
162 # define ex_splitview ex_ni
163 # define ex_stag ex_ni
164 # define ex_tabnext ex_ni
165 # define ex_tabmove ex_ni
166 # define ex_tabs ex_ni
167 # define ex_tabclose ex_ni
168 # define ex_tabonly ex_ni
169 #endif
170 #if defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX)
171 static void ex_pclose __ARGS((exarg_T *eap));
172 static void ex_ptag __ARGS((exarg_T *eap));
173 static void ex_pedit __ARGS((exarg_T *eap));
174 #else
175 # define ex_pclose ex_ni
176 # define ex_ptag ex_ni
177 # define ex_pedit ex_ni
178 #endif
179 static void ex_hide __ARGS((exarg_T *eap));
180 static void ex_stop __ARGS((exarg_T *eap));
181 static void ex_exit __ARGS((exarg_T *eap));
182 static void ex_print __ARGS((exarg_T *eap));
183 #ifdef FEAT_BYTEOFF
184 static void ex_goto __ARGS((exarg_T *eap));
185 #else
186 # define ex_goto ex_ni
187 #endif
188 static void ex_shell __ARGS((exarg_T *eap));
189 static void ex_preserve __ARGS((exarg_T *eap));
190 static void ex_recover __ARGS((exarg_T *eap));
191 #ifndef FEAT_LISTCMDS
192 # define ex_argedit ex_ni
193 # define ex_argadd ex_ni
194 # define ex_argdelete ex_ni
195 # define ex_listdo ex_ni
196 #endif
197 static void ex_mode __ARGS((exarg_T *eap));
198 static void ex_wrongmodifier __ARGS((exarg_T *eap));
199 static void ex_find __ARGS((exarg_T *eap));
200 static void ex_open __ARGS((exarg_T *eap));
201 static void ex_edit __ARGS((exarg_T *eap));
202 #if !defined(FEAT_GUI) && !defined(FEAT_CLIENTSERVER)
203 # define ex_drop ex_ni
204 #endif
205 #ifndef FEAT_GUI
206 # define ex_gui ex_nogui
207 static void ex_nogui __ARGS((exarg_T *eap));
208 #endif
209 #if defined(FEAT_GUI_W32) && defined(FEAT_MENU) && defined(FEAT_TEAROFF)
210 static void ex_tearoff __ARGS((exarg_T *eap));
211 #else
212 # define ex_tearoff ex_ni
213 #endif
214 #if (defined(FEAT_GUI_MSWIN) || defined(FEAT_GUI_GTK)) && defined(FEAT_MENU)
215 static void ex_popup __ARGS((exarg_T *eap));
216 #else
217 # define ex_popup ex_ni
218 #endif
219 #ifndef FEAT_GUI_MSWIN
220 # define ex_simalt ex_ni
221 #endif
222 #if !defined(FEAT_GUI_MSWIN) && !defined(FEAT_GUI_GTK) && !defined(FEAT_GUI_MOTIF)
223 # define gui_mch_find_dialog ex_ni
224 # define gui_mch_replace_dialog ex_ni
225 #endif
226 #if !defined(FEAT_GUI_GTK)
227 # define ex_helpfind ex_ni
228 #endif
229 #ifndef FEAT_CSCOPE
230 # define do_cscope ex_ni
231 # define do_scscope ex_ni
232 # define do_cstag ex_ni
233 #endif
234 #ifndef FEAT_SYN_HL
235 # define ex_syntax ex_ni
236 #endif
237 #ifndef FEAT_SPELL
238 # define ex_spell ex_ni
239 # define ex_mkspell ex_ni
240 # define ex_spelldump ex_ni
241 # define ex_spellinfo ex_ni
242 # define ex_spellrepall ex_ni
243 #endif
244 #ifndef FEAT_MZSCHEME
245 # define ex_mzscheme ex_script_ni
246 # define ex_mzfile ex_ni
247 #endif
248 #ifndef FEAT_PERL
249 # define ex_perl ex_script_ni
250 # define ex_perldo ex_ni
251 #endif
252 #ifndef FEAT_PYTHON
253 # define ex_python ex_script_ni
254 # define ex_pyfile ex_ni
255 #endif
256 #ifndef FEAT_TCL
257 # define ex_tcl ex_script_ni
258 # define ex_tcldo ex_ni
259 # define ex_tclfile ex_ni
260 #endif
261 #ifndef FEAT_RUBY
262 # define ex_ruby ex_script_ni
263 # define ex_rubydo ex_ni
264 # define ex_rubyfile ex_ni
265 #endif
266 #ifndef FEAT_SNIFF
267 # define ex_sniff ex_ni
268 #endif
269 #ifndef FEAT_KEYMAP
270 # define ex_loadkeymap ex_ni
271 #endif
272 static void ex_swapname __ARGS((exarg_T *eap));
273 static void ex_syncbind __ARGS((exarg_T *eap));
274 static void ex_read __ARGS((exarg_T *eap));
275 static void ex_pwd __ARGS((exarg_T *eap));
276 static void ex_equal __ARGS((exarg_T *eap));
277 static void ex_sleep __ARGS((exarg_T *eap));
278 static void do_exmap __ARGS((exarg_T *eap, int isabbrev));
279 static void ex_winsize __ARGS((exarg_T *eap));
280 #ifdef FEAT_WINDOWS
281 static void ex_wincmd __ARGS((exarg_T *eap));
282 #else
283 # define ex_wincmd ex_ni
284 #endif
285 #if defined(FEAT_GUI) || defined(UNIX) || defined(VMS) || defined(MSWIN)
286 static void ex_winpos __ARGS((exarg_T *eap));
287 #else
288 # define ex_winpos ex_ni
289 #endif
290 static void ex_operators __ARGS((exarg_T *eap));
291 static void ex_put __ARGS((exarg_T *eap));
292 static void ex_copymove __ARGS((exarg_T *eap));
293 static void ex_may_print __ARGS((exarg_T *eap));
294 static void ex_submagic __ARGS((exarg_T *eap));
295 static void ex_join __ARGS((exarg_T *eap));
296 static void ex_at __ARGS((exarg_T *eap));
297 static void ex_bang __ARGS((exarg_T *eap));
298 static void ex_undo __ARGS((exarg_T *eap));
299 static void ex_redo __ARGS((exarg_T *eap));
300 static void ex_later __ARGS((exarg_T *eap));
301 static void ex_redir __ARGS((exarg_T *eap));
302 static void ex_redraw __ARGS((exarg_T *eap));
303 static void ex_redrawstatus __ARGS((exarg_T *eap));
304 static void close_redir __ARGS((void));
305 static void ex_mkrc __ARGS((exarg_T *eap));
306 static void ex_mark __ARGS((exarg_T *eap));
307 #ifdef FEAT_USR_CMDS
308 static char_u *uc_fun_cmd __ARGS((void));
309 static char_u *find_ucmd __ARGS((exarg_T *eap, char_u *p, int *full, expand_T *xp, int *compl));
310 #endif
311 #ifdef FEAT_EX_EXTRA
312 static void ex_normal __ARGS((exarg_T *eap));
313 static void ex_startinsert __ARGS((exarg_T *eap));
314 static void ex_stopinsert __ARGS((exarg_T *eap));
315 #else
316 # define ex_normal ex_ni
317 # define ex_align ex_ni
318 # define ex_retab ex_ni
319 # define ex_startinsert ex_ni
320 # define ex_stopinsert ex_ni
321 # define ex_helptags ex_ni
322 # define ex_sort ex_ni
323 #endif
324 #ifdef FEAT_FIND_ID
325 static void ex_checkpath __ARGS((exarg_T *eap));
326 static void ex_findpat __ARGS((exarg_T *eap));
327 #else
328 # define ex_findpat ex_ni
329 # define ex_checkpath ex_ni
330 #endif
331 #if defined(FEAT_FIND_ID) && defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX)
332 static void ex_psearch __ARGS((exarg_T *eap));
333 #else
334 # define ex_psearch ex_ni
335 #endif
336 static void ex_tag __ARGS((exarg_T *eap));
337 static void ex_tag_cmd __ARGS((exarg_T *eap, char_u *name));
338 #ifndef FEAT_EVAL
339 # define ex_scriptnames ex_ni
340 # define ex_finish ex_ni
341 # define ex_echo ex_ni
342 # define ex_echohl ex_ni
343 # define ex_execute ex_ni
344 # define ex_call ex_ni
345 # define ex_if ex_ni
346 # define ex_endif ex_ni
347 # define ex_else ex_ni
348 # define ex_while ex_ni
349 # define ex_for ex_ni
350 # define ex_continue ex_ni
351 # define ex_break ex_ni
352 # define ex_endwhile ex_ni
353 # define ex_endfor ex_ni
354 # define ex_throw ex_ni
355 # define ex_try ex_ni
356 # define ex_catch ex_ni
357 # define ex_finally ex_ni
358 # define ex_endtry ex_ni
359 # define ex_endfunction ex_ni
360 # define ex_let ex_ni
361 # define ex_unlet ex_ni
362 # define ex_lockvar ex_ni
363 # define ex_unlockvar ex_ni
364 # define ex_function ex_ni
365 # define ex_delfunction ex_ni
366 # define ex_return ex_ni
367 # define ex_oldfiles ex_ni
368 #endif
369 static char_u *arg_all __ARGS((void));
370 #ifdef FEAT_SESSION
371 static int makeopens __ARGS((FILE *fd, char_u *dirnow));
372 static int put_view __ARGS((FILE *fd, win_T *wp, int add_edit, unsigned *flagp, int current_arg_idx));
373 static void ex_loadview __ARGS((exarg_T *eap));
374 static char_u *get_view_file __ARGS((int c));
375 static int did_lcd; /* whether ":lcd" was produced for a session */
376 #else
377 # define ex_loadview ex_ni
378 #endif
379 #ifndef FEAT_EVAL
380 # define ex_compiler ex_ni
381 #endif
382 #ifdef FEAT_VIMINFO
383 static void ex_viminfo __ARGS((exarg_T *eap));
384 #else
385 # define ex_viminfo ex_ni
386 #endif
387 static void ex_behave __ARGS((exarg_T *eap));
388 #ifdef FEAT_AUTOCMD
389 static void ex_filetype __ARGS((exarg_T *eap));
390 static void ex_setfiletype __ARGS((exarg_T *eap));
391 #else
392 # define ex_filetype ex_ni
393 # define ex_setfiletype ex_ni
394 #endif
395 #ifndef FEAT_DIFF
396 # define ex_diffoff ex_ni
397 # define ex_diffpatch ex_ni
398 # define ex_diffgetput ex_ni
399 # define ex_diffsplit ex_ni
400 # define ex_diffthis ex_ni
401 # define ex_diffupdate ex_ni
402 #endif
403 static void ex_digraphs __ARGS((exarg_T *eap));
404 static void ex_set __ARGS((exarg_T *eap));
405 #if !defined(FEAT_EVAL) || !defined(FEAT_AUTOCMD)
406 # define ex_options ex_ni
407 #endif
408 #ifdef FEAT_SEARCH_EXTRA
409 static void ex_nohlsearch __ARGS((exarg_T *eap));
410 static void ex_match __ARGS((exarg_T *eap));
411 #else
412 # define ex_nohlsearch ex_ni
413 # define ex_match ex_ni
414 #endif
415 #ifdef FEAT_CRYPT
416 static void ex_X __ARGS((exarg_T *eap));
417 #else
418 # define ex_X ex_ni
419 #endif
420 #ifdef FEAT_FOLDING
421 static void ex_fold __ARGS((exarg_T *eap));
422 static void ex_foldopen __ARGS((exarg_T *eap));
423 static void ex_folddo __ARGS((exarg_T *eap));
424 #else
425 # define ex_fold ex_ni
426 # define ex_foldopen ex_ni
427 # define ex_folddo ex_ni
428 #endif
429 #if !((defined(HAVE_LOCALE_H) || defined(X_LOCALE)) \
430 && (defined(FEAT_GETTEXT) || defined(FEAT_MBYTE)))
431 # define ex_language ex_ni
432 #endif
433 #ifndef FEAT_SIGNS
434 # define ex_sign ex_ni
435 #endif
436 #ifndef FEAT_SUN_WORKSHOP
437 # define ex_wsverb ex_ni
438 #endif
439 #ifndef FEAT_NETBEANS_INTG
440 # define ex_nbkey ex_ni
441 #endif
442
443 #ifndef FEAT_EVAL
444 # define ex_debug ex_ni
445 # define ex_breakadd ex_ni
446 # define ex_debuggreedy ex_ni
447 # define ex_breakdel ex_ni
448 # define ex_breaklist ex_ni
449 #endif
450
451 #ifndef FEAT_CMDHIST
452 # define ex_history ex_ni
453 #endif
454 #ifndef FEAT_JUMPLIST
455 # define ex_jumps ex_ni
456 # define ex_changes ex_ni
457 #endif
458
459 #ifndef FEAT_PROFILE
460 # define ex_profile ex_ni
461 #endif
462
463 /*
464 * Declare cmdnames[].
465 */
466 #define DO_DECLARE_EXCMD
467 #include "ex_cmds.h"
468
469 /*
470 * Table used to quickly search for a command, based on its first character.
471 */
472 static cmdidx_T cmdidxs[27] =
473 {
474 CMD_append,
475 CMD_buffer,
476 CMD_change,
477 CMD_delete,
478 CMD_edit,
479 CMD_file,
480 CMD_global,
481 CMD_help,
482 CMD_insert,
483 CMD_join,
484 CMD_k,
485 CMD_list,
486 CMD_move,
487 CMD_next,
488 CMD_open,
489 CMD_print,
490 CMD_quit,
491 CMD_read,
492 CMD_substitute,
493 CMD_t,
494 CMD_undo,
495 CMD_vglobal,
496 CMD_write,
497 CMD_xit,
498 CMD_yank,
499 CMD_z,
500 CMD_bang
501 };
502
503 static char_u dollar_command[2] = {'$', 0};
504
505
506 #ifdef FEAT_EVAL
507 /* Struct for storing a line inside a while/for loop */
508 typedef struct
509 {
510 char_u *line; /* command line */
511 linenr_T lnum; /* sourcing_lnum of the line */
512 } wcmd_T;
513
514 /*
515 * Structure used to store info for line position in a while or for loop.
516 * This is required, because do_one_cmd() may invoke ex_function(), which
517 * reads more lines that may come from the while/for loop.
518 */
519 struct loop_cookie
520 {
521 garray_T *lines_gap; /* growarray with line info */
522 int current_line; /* last read line from growarray */
523 int repeating; /* TRUE when looping a second time */
524 /* When "repeating" is FALSE use "getline" and "cookie" to get lines */
525 char_u *(*getline) __ARGS((int, void *, int));
526 void *cookie;
527 };
528
529 static char_u *get_loop_line __ARGS((int c, void *cookie, int indent));
530 static int store_loop_line __ARGS((garray_T *gap, char_u *line));
531 static void free_cmdlines __ARGS((garray_T *gap));
532
533 /* Struct to save a few things while debugging. Used in do_cmdline() only. */
534 struct dbg_stuff
535 {
536 int trylevel;
537 int force_abort;
538 except_T *caught_stack;
539 char_u *vv_exception;
540 char_u *vv_throwpoint;
541 int did_emsg;
542 int got_int;
543 int did_throw;
544 int need_rethrow;
545 int check_cstack;
546 except_T *current_exception;
547 };
548
549 static void save_dbg_stuff __ARGS((struct dbg_stuff *dsp));
550 static void restore_dbg_stuff __ARGS((struct dbg_stuff *dsp));
551
552 static void
553 save_dbg_stuff(dsp)
554 struct dbg_stuff *dsp;
555 {
556 dsp->trylevel = trylevel; trylevel = 0;
557 dsp->force_abort = force_abort; force_abort = FALSE;
558 dsp->caught_stack = caught_stack; caught_stack = NULL;
559 dsp->vv_exception = v_exception(NULL);
560 dsp->vv_throwpoint = v_throwpoint(NULL);
561
562 /* Necessary for debugging an inactive ":catch", ":finally", ":endtry" */
563 dsp->did_emsg = did_emsg; did_emsg = FALSE;
564 dsp->got_int = got_int; got_int = FALSE;
565 dsp->did_throw = did_throw; did_throw = FALSE;
566 dsp->need_rethrow = need_rethrow; need_rethrow = FALSE;
567 dsp->check_cstack = check_cstack; check_cstack = FALSE;
568 dsp->current_exception = current_exception; current_exception = NULL;
569 }
570
571 static void
572 restore_dbg_stuff(dsp)
573 struct dbg_stuff *dsp;
574 {
575 suppress_errthrow = FALSE;
576 trylevel = dsp->trylevel;
577 force_abort = dsp->force_abort;
578 caught_stack = dsp->caught_stack;
579 (void)v_exception(dsp->vv_exception);
580 (void)v_throwpoint(dsp->vv_throwpoint);
581 did_emsg = dsp->did_emsg;
582 got_int = dsp->got_int;
583 did_throw = dsp->did_throw;
584 need_rethrow = dsp->need_rethrow;
585 check_cstack = dsp->check_cstack;
586 current_exception = dsp->current_exception;
587 }
588 #endif
589
590
591 /*
592 * do_exmode(): Repeatedly get commands for the "Ex" mode, until the ":vi"
593 * command is given.
594 */
595 void
596 do_exmode(improved)
597 int improved; /* TRUE for "improved Ex" mode */
598 {
599 int save_msg_scroll;
600 int prev_msg_row;
601 linenr_T prev_line;
602 int changedtick;
603
604 if (improved)
605 exmode_active = EXMODE_VIM;
606 else
607 exmode_active = EXMODE_NORMAL;
608 State = NORMAL;
609
610 /* When using ":global /pat/ visual" and then "Q" we return to continue
611 * the :global command. */
612 if (global_busy)
613 return;
614
615 save_msg_scroll = msg_scroll;
616 ++RedrawingDisabled; /* don't redisplay the window */
617 ++no_wait_return; /* don't wait for return */
618 #ifdef FEAT_GUI
619 /* Ignore scrollbar and mouse events in Ex mode */
620 ++hold_gui_events;
621 #endif
622 #ifdef FEAT_SNIFF
623 want_sniff_request = 0; /* No K_SNIFF wanted */
624 #endif
625
626 MSG(_("Entering Ex mode. Type \"visual\" to go to Normal mode."));
627 while (exmode_active)
628 {
629 #ifdef FEAT_EX_EXTRA
630 /* Check for a ":normal" command and no more characters left. */
631 if (ex_normal_busy > 0 && typebuf.tb_len == 0)
632 {
633 exmode_active = FALSE;
634 break;
635 }
636 #endif
637 msg_scroll = TRUE;
638 need_wait_return = FALSE;
639 ex_pressedreturn = FALSE;
640 ex_no_reprint = FALSE;
641 changedtick = curbuf->b_changedtick;
642 prev_msg_row = msg_row;
643 prev_line = curwin->w_cursor.lnum;
644 #ifdef FEAT_SNIFF
645 ProcessSniffRequests();
646 #endif
647 if (improved)
648 {
649 cmdline_row = msg_row;
650 do_cmdline(NULL, getexline, NULL, 0);
651 }
652 else
653 do_cmdline(NULL, getexmodeline, NULL, DOCMD_NOWAIT);
654 lines_left = Rows - 1;
655
656 if ((prev_line != curwin->w_cursor.lnum
657 || changedtick != curbuf->b_changedtick) && !ex_no_reprint)
658 {
659 if (curbuf->b_ml.ml_flags & ML_EMPTY)
660 EMSG(_(e_emptybuf));
661 else
662 {
663 if (ex_pressedreturn)
664 {
665 /* go up one line, to overwrite the ":<CR>" line, so the
666 * output doesn't contain empty lines. */
667 msg_row = prev_msg_row;
668 if (prev_msg_row == Rows - 1)
669 msg_row--;
670 }
671 msg_col = 0;
672 print_line_no_prefix(curwin->w_cursor.lnum, FALSE, FALSE);
673 msg_clr_eos();
674 }
675 }
676 else if (ex_pressedreturn && !ex_no_reprint) /* must be at EOF */
677 {
678 if (curbuf->b_ml.ml_flags & ML_EMPTY)
679 EMSG(_(e_emptybuf));
680 else
681 EMSG(_("E501: At end-of-file"));
682 }
683 }
684
685 #ifdef FEAT_GUI
686 --hold_gui_events;
687 #endif
688 --RedrawingDisabled;
689 --no_wait_return;
690 update_screen(CLEAR);
691 need_wait_return = FALSE;
692 msg_scroll = save_msg_scroll;
693 }
694
695 /*
696 * Execute a simple command line. Used for translated commands like "*".
697 */
698 int
699 do_cmdline_cmd(cmd)
700 char_u *cmd;
701 {
702 return do_cmdline(cmd, NULL, NULL,
703 DOCMD_VERBOSE|DOCMD_NOWAIT|DOCMD_KEYTYPED);
704 }
705
706 /*
707 * do_cmdline(): execute one Ex command line
708 *
709 * 1. Execute "cmdline" when it is not NULL.
710 * If "cmdline" is NULL, or more lines are needed, getline() is used.
711 * 2. Split up in parts separated with '|'.
712 *
713 * This function can be called recursively!
714 *
715 * flags:
716 * DOCMD_VERBOSE - The command will be included in the error message.
717 * DOCMD_NOWAIT - Don't call wait_return() and friends.
718 * DOCMD_REPEAT - Repeat execution until getline() returns NULL.
719 * DOCMD_KEYTYPED - Don't reset KeyTyped.
720 * DOCMD_EXCRESET - Reset the exception environment (used for debugging).
721 * DOCMD_KEEPLINE - Store first typed line (for repeating with ".").
722 *
723 * return FAIL if cmdline could not be executed, OK otherwise
724 */
725 int
726 do_cmdline(cmdline, getline, cookie, flags)
727 char_u *cmdline;
728 char_u *(*getline) __ARGS((int, void *, int));
729 void *cookie; /* argument for getline() */
730 int flags;
731 {
732 char_u *next_cmdline; /* next cmd to execute */
733 char_u *cmdline_copy = NULL; /* copy of cmd line */
734 int used_getline = FALSE; /* used "getline" to obtain command */
735 static int recursive = 0; /* recursive depth */
736 int msg_didout_before_start = 0;
737 int count = 0; /* line number count */
738 int did_inc = FALSE; /* incremented RedrawingDisabled */
739 int retval = OK;
740 #ifdef FEAT_EVAL
741 struct condstack cstack; /* conditional stack */
742 garray_T lines_ga; /* keep lines for ":while"/":for" */
743 int current_line = 0; /* active line in lines_ga */
744 char_u *fname = NULL; /* function or script name */
745 linenr_T *breakpoint = NULL; /* ptr to breakpoint field in cookie */
746 int *dbg_tick = NULL; /* ptr to dbg_tick field in cookie */
747 struct dbg_stuff debug_saved; /* saved things for debug mode */
748 int initial_trylevel;
749 struct msglist **saved_msg_list = NULL;
750 struct msglist *private_msg_list;
751
752 /* "getline" and "cookie" passed to do_one_cmd() */
753 char_u *(*cmd_getline) __ARGS((int, void *, int));
754 void *cmd_cookie;
755 struct loop_cookie cmd_loop_cookie;
756 void *real_cookie;
757 int getline_is_func;
758 #else
759 # define cmd_getline getline
760 # define cmd_cookie cookie
761 #endif
762 static int call_depth = 0; /* recursiveness */
763
764 #ifdef FEAT_EVAL
765 /* For every pair of do_cmdline()/do_one_cmd() calls, use an extra memory
766 * location for storing error messages to be converted to an exception.
767 * This ensures that the do_errthrow() call in do_one_cmd() does not
768 * combine the messages stored by an earlier invocation of do_one_cmd()
769 * with the command name of the later one. This would happen when
770 * BufWritePost autocommands are executed after a write error. */
771 saved_msg_list = msg_list;
772 msg_list = &private_msg_list;
773 private_msg_list = NULL;
774 #endif
775
776 /* It's possible to create an endless loop with ":execute", catch that
777 * here. The value of 200 allows nested function calls, ":source", etc. */
778 if (call_depth == 200)
779 {
780 EMSG(_("E169: Command too recursive"));
781 #ifdef FEAT_EVAL
782 /* When converting to an exception, we do not include the command name
783 * since this is not an error of the specific command. */
784 do_errthrow((struct condstack *)NULL, (char_u *)NULL);
785 msg_list = saved_msg_list;
786 #endif
787 return FAIL;
788 }
789 ++call_depth;
790
791 #ifdef FEAT_EVAL
792 cstack.cs_idx = -1;
793 cstack.cs_looplevel = 0;
794 cstack.cs_trylevel = 0;
795 cstack.cs_emsg_silent_list = NULL;
796 cstack.cs_lflags = 0;
797 ga_init2(&lines_ga, (int)sizeof(wcmd_T), 10);
798
799 real_cookie = getline_cookie(getline, cookie);
800
801 /* Inside a function use a higher nesting level. */
802 getline_is_func = getline_equal(getline, cookie, get_func_line);
803 if (getline_is_func && ex_nesting_level == func_level(real_cookie))
804 ++ex_nesting_level;
805
806 /* Get the function or script name and the address where the next breakpoint
807 * line and the debug tick for a function or script are stored. */
808 if (getline_is_func)
809 {
810 fname = func_name(real_cookie);
811 breakpoint = func_breakpoint(real_cookie);
812 dbg_tick = func_dbg_tick(real_cookie);
813 }
814 else if (getline_equal(getline, cookie, getsourceline))
815 {
816 fname = sourcing_name;
817 breakpoint = source_breakpoint(real_cookie);
818 dbg_tick = source_dbg_tick(real_cookie);
819 }
820
821 /*
822 * Initialize "force_abort" and "suppress_errthrow" at the top level.
823 */
824 if (!recursive)
825 {
826 force_abort = FALSE;
827 suppress_errthrow = FALSE;
828 }
829
830 /*
831 * If requested, store and reset the global values controlling the
832 * exception handling (used when debugging). Otherwise clear it to avoid
833 * a bogus compiler warning when the optimizer uses inline functions...
834 */
835 if (flags & DOCMD_EXCRESET)
836 save_dbg_stuff(&debug_saved);
837 else
838 memset(&debug_saved, 0, 1);
839
840 initial_trylevel = trylevel;
841
842 /*
843 * "did_throw" will be set to TRUE when an exception is being thrown.
844 */
845 did_throw = FALSE;
846 #endif
847 /*
848 * "did_emsg" will be set to TRUE when emsg() is used, in which case we
849 * cancel the whole command line, and any if/endif or loop.
850 * If force_abort is set, we cancel everything.
851 */
852 did_emsg = FALSE;
853
854 /*
855 * KeyTyped is only set when calling vgetc(). Reset it here when not
856 * calling vgetc() (sourced command lines).
857 */
858 if (!(flags & DOCMD_KEYTYPED) && !getline_equal(getline, cookie, getexline))
859 KeyTyped = FALSE;
860
861 /*
862 * Continue executing command lines:
863 * - when inside an ":if", ":while" or ":for"
864 * - for multiple commands on one line, separated with '|'
865 * - when repeating until there are no more lines (for ":source")
866 */
867 next_cmdline = cmdline;
868 do
869 {
870 #ifdef FEAT_EVAL
871 getline_is_func = getline_equal(getline, cookie, get_func_line);
872 #endif
873
874 /* stop skipping cmds for an error msg after all endif/while/for */
875 if (next_cmdline == NULL
876 #ifdef FEAT_EVAL
877 && !force_abort
878 && cstack.cs_idx < 0
879 && !(getline_is_func && func_has_abort(real_cookie))
880 #endif
881 )
882 did_emsg = FALSE;
883
884 /*
885 * 1. If repeating a line in a loop, get a line from lines_ga.
886 * 2. If no line given: Get an allocated line with getline().
887 * 3. If a line is given: Make a copy, so we can mess with it.
888 */
889
890 #ifdef FEAT_EVAL
891 /* 1. If repeating, get a previous line from lines_ga. */
892 if (cstack.cs_looplevel > 0 && current_line < lines_ga.ga_len)
893 {
894 /* Each '|' separated command is stored separately in lines_ga, to
895 * be able to jump to it. Don't use next_cmdline now. */
896 vim_free(cmdline_copy);
897 cmdline_copy = NULL;
898
899 /* Check if a function has returned or, unless it has an unclosed
900 * try conditional, aborted. */
901 if (getline_is_func)
902 {
903 # ifdef FEAT_PROFILE
904 if (do_profiling == PROF_YES)
905 func_line_end(real_cookie);
906 # endif
907 if (func_has_ended(real_cookie))
908 {
909 retval = FAIL;
910 break;
911 }
912 }
913 #ifdef FEAT_PROFILE
914 else if (do_profiling == PROF_YES
915 && getline_equal(getline, cookie, getsourceline))
916 script_line_end();
917 #endif
918
919 /* Check if a sourced file hit a ":finish" command. */
920 if (source_finished(getline, cookie))
921 {
922 retval = FAIL;
923 break;
924 }
925
926 /* If breakpoints have been added/deleted need to check for it. */
927 if (breakpoint != NULL && dbg_tick != NULL
928 && *dbg_tick != debug_tick)
929 {
930 *breakpoint = dbg_find_breakpoint(
931 getline_equal(getline, cookie, getsourceline),
932 fname, sourcing_lnum);
933 *dbg_tick = debug_tick;
934 }
935
936 next_cmdline = ((wcmd_T *)(lines_ga.ga_data))[current_line].line;
937 sourcing_lnum = ((wcmd_T *)(lines_ga.ga_data))[current_line].lnum;
938
939 /* Did we encounter a breakpoint? */
940 if (breakpoint != NULL && *breakpoint != 0
941 && *breakpoint <= sourcing_lnum)
942 {
943 dbg_breakpoint(fname, sourcing_lnum);
944 /* Find next breakpoint. */
945 *breakpoint = dbg_find_breakpoint(
946 getline_equal(getline, cookie, getsourceline),
947 fname, sourcing_lnum);
948 *dbg_tick = debug_tick;
949 }
950 # ifdef FEAT_PROFILE
951 if (do_profiling == PROF_YES)
952 {
953 if (getline_is_func)
954 func_line_start(real_cookie);
955 else if (getline_equal(getline, cookie, getsourceline))
956 script_line_start();
957 }
958 # endif
959 }
960
961 if (cstack.cs_looplevel > 0)
962 {
963 /* Inside a while/for loop we need to store the lines and use them
964 * again. Pass a different "getline" function to do_one_cmd()
965 * below, so that it stores lines in or reads them from
966 * "lines_ga". Makes it possible to define a function inside a
967 * while/for loop. */
968 cmd_getline = get_loop_line;
969 cmd_cookie = (void *)&cmd_loop_cookie;
970 cmd_loop_cookie.lines_gap = &lines_ga;
971 cmd_loop_cookie.current_line = current_line;
972 cmd_loop_cookie.getline = getline;
973 cmd_loop_cookie.cookie = cookie;
974 cmd_loop_cookie.repeating = (current_line < lines_ga.ga_len);
975 }
976 else
977 {
978 cmd_getline = getline;
979 cmd_cookie = cookie;
980 }
981 #endif
982
983 /* 2. If no line given, get an allocated line with getline(). */
984 if (next_cmdline == NULL)
985 {
986 /*
987 * Need to set msg_didout for the first line after an ":if",
988 * otherwise the ":if" will be overwritten.
989 */
990 if (count == 1 && getline_equal(getline, cookie, getexline))
991 msg_didout = TRUE;
992 if (getline == NULL || (next_cmdline = getline(':', cookie,
993 #ifdef FEAT_EVAL
994 cstack.cs_idx < 0 ? 0 : (cstack.cs_idx + 1) * 2
995 #else
996 0
997 #endif
998 )) == NULL)
999 {
1000 /* Don't call wait_return for aborted command line. The NULL
1001 * returned for the end of a sourced file or executed function
1002 * doesn't do this. */
1003 if (KeyTyped && !(flags & DOCMD_REPEAT))
1004 need_wait_return = FALSE;
1005 retval = FAIL;
1006 break;
1007 }
1008 used_getline = TRUE;
1009
1010 /*
1011 * Keep the first typed line. Clear it when more lines are typed.
1012 */
1013 if (flags & DOCMD_KEEPLINE)
1014 {
1015 vim_free(repeat_cmdline);
1016 if (count == 0)
1017 repeat_cmdline = vim_strsave(next_cmdline);
1018 else
1019 repeat_cmdline = NULL;
1020 }
1021 }
1022
1023 /* 3. Make a copy of the command so we can mess with it. */
1024 else if (cmdline_copy == NULL)
1025 {
1026 next_cmdline = vim_strsave(next_cmdline);
1027 if (next_cmdline == NULL)
1028 {
1029 EMSG(_(e_outofmem));
1030 retval = FAIL;
1031 break;
1032 }
1033 }
1034 cmdline_copy = next_cmdline;
1035
1036 #ifdef FEAT_EVAL
1037 /*
1038 * Save the current line when inside a ":while" or ":for", and when
1039 * the command looks like a ":while" or ":for", because we may need it
1040 * later. When there is a '|' and another command, it is stored
1041 * separately, because we need to be able to jump back to it from an
1042 * :endwhile/:endfor.
1043 */
1044 if (current_line == lines_ga.ga_len
1045 && (cstack.cs_looplevel || has_loop_cmd(next_cmdline)))
1046 {
1047 if (store_loop_line(&lines_ga, next_cmdline) == FAIL)
1048 {
1049 retval = FAIL;
1050 break;
1051 }
1052 }
1053 did_endif = FALSE;
1054 #endif
1055
1056 if (count++ == 0)
1057 {
1058 /*
1059 * All output from the commands is put below each other, without
1060 * waiting for a return. Don't do this when executing commands
1061 * from a script or when being called recursive (e.g. for ":e
1062 * +command file").
1063 */
1064 if (!(flags & DOCMD_NOWAIT) && !recursive)
1065 {
1066 msg_didout_before_start = msg_didout;
1067 msg_didany = FALSE; /* no output yet */
1068 msg_start();
1069 msg_scroll = TRUE; /* put messages below each other */
1070 ++no_wait_return; /* dont wait for return until finished */
1071 ++RedrawingDisabled;
1072 did_inc = TRUE;
1073 }
1074 }
1075
1076 if (p_verbose >= 15 && sourcing_name != NULL)
1077 {
1078 ++no_wait_return;
1079 verbose_enter_scroll();
1080
1081 smsg((char_u *)_("line %ld: %s"),
1082 (long)sourcing_lnum, cmdline_copy);
1083 if (msg_silent == 0)
1084 msg_puts((char_u *)"\n"); /* don't overwrite this */
1085
1086 verbose_leave_scroll();
1087 --no_wait_return;
1088 }
1089
1090 /*
1091 * 2. Execute one '|' separated command.
1092 * do_one_cmd() will return NULL if there is no trailing '|'.
1093 * "cmdline_copy" can change, e.g. for '%' and '#' expansion.
1094 */
1095 ++recursive;
1096 next_cmdline = do_one_cmd(&cmdline_copy, flags & DOCMD_VERBOSE,
1097 #ifdef FEAT_EVAL
1098 &cstack,
1099 #endif
1100 cmd_getline, cmd_cookie);
1101 --recursive;
1102
1103 #ifdef FEAT_EVAL
1104 if (cmd_cookie == (void *)&cmd_loop_cookie)
1105 /* Use "current_line" from "cmd_loop_cookie", it may have been
1106 * incremented when defining a function. */
1107 current_line = cmd_loop_cookie.current_line;
1108 #endif
1109
1110 if (next_cmdline == NULL)
1111 {
1112 vim_free(cmdline_copy);
1113 cmdline_copy = NULL;
1114 #ifdef FEAT_CMDHIST
1115 /*
1116 * If the command was typed, remember it for the ':' register.
1117 * Do this AFTER executing the command to make :@: work.
1118 */
1119 if (getline_equal(getline, cookie, getexline)
1120 && new_last_cmdline != NULL)
1121 {
1122 vim_free(last_cmdline);
1123 last_cmdline = new_last_cmdline;
1124 new_last_cmdline = NULL;
1125 }
1126 #endif
1127 }
1128 else
1129 {
1130 /* need to copy the command after the '|' to cmdline_copy, for the
1131 * next do_one_cmd() */
1132 STRMOVE(cmdline_copy, next_cmdline);
1133 next_cmdline = cmdline_copy;
1134 }
1135
1136
1137 #ifdef FEAT_EVAL
1138 /* reset did_emsg for a function that is not aborted by an error */
1139 if (did_emsg && !force_abort
1140 && getline_equal(getline, cookie, get_func_line)
1141 && !func_has_abort(real_cookie))
1142 did_emsg = FALSE;
1143
1144 if (cstack.cs_looplevel > 0)
1145 {
1146 ++current_line;
1147
1148 /*
1149 * An ":endwhile", ":endfor" and ":continue" is handled here.
1150 * If we were executing commands, jump back to the ":while" or
1151 * ":for".
1152 * If we were not executing commands, decrement cs_looplevel.
1153 */
1154 if (cstack.cs_lflags & (CSL_HAD_CONT | CSL_HAD_ENDLOOP))
1155 {
1156 cstack.cs_lflags &= ~(CSL_HAD_CONT | CSL_HAD_ENDLOOP);
1157
1158 /* Jump back to the matching ":while" or ":for". Be careful
1159 * not to use a cs_line[] from an entry that isn't a ":while"
1160 * or ":for": It would make "current_line" invalid and can
1161 * cause a crash. */
1162 if (!did_emsg && !got_int && !did_throw
1163 && cstack.cs_idx >= 0
1164 && (cstack.cs_flags[cstack.cs_idx]
1165 & (CSF_WHILE | CSF_FOR))
1166 && cstack.cs_line[cstack.cs_idx] >= 0
1167 && (cstack.cs_flags[cstack.cs_idx] & CSF_ACTIVE))
1168 {
1169 current_line = cstack.cs_line[cstack.cs_idx];
1170 /* remember we jumped there */
1171 cstack.cs_lflags |= CSL_HAD_LOOP;
1172 line_breakcheck(); /* check if CTRL-C typed */
1173
1174 /* Check for the next breakpoint at or after the ":while"
1175 * or ":for". */
1176 if (breakpoint != NULL)
1177 {
1178 *breakpoint = dbg_find_breakpoint(
1179 getline_equal(getline, cookie, getsourceline),
1180 fname,
1181 ((wcmd_T *)lines_ga.ga_data)[current_line].lnum-1);
1182 *dbg_tick = debug_tick;
1183 }
1184 }
1185 else
1186 {
1187 /* can only get here with ":endwhile" or ":endfor" */
1188 if (cstack.cs_idx >= 0)
1189 rewind_conditionals(&cstack, cstack.cs_idx - 1,
1190 CSF_WHILE | CSF_FOR, &cstack.cs_looplevel);
1191 }
1192 }
1193
1194 /*
1195 * For a ":while" or ":for" we need to remember the line number.
1196 */
1197 else if (cstack.cs_lflags & CSL_HAD_LOOP)
1198 {
1199 cstack.cs_lflags &= ~CSL_HAD_LOOP;
1200 cstack.cs_line[cstack.cs_idx] = current_line - 1;
1201 }
1202 }
1203
1204 /*
1205 * When not inside any ":while" loop, clear remembered lines.
1206 */
1207 if (cstack.cs_looplevel == 0)
1208 {
1209 if (lines_ga.ga_len > 0)
1210 {
1211 sourcing_lnum =
1212 ((wcmd_T *)lines_ga.ga_data)[lines_ga.ga_len - 1].lnum;
1213 free_cmdlines(&lines_ga);
1214 }
1215 current_line = 0;
1216 }
1217
1218 /*
1219 * A ":finally" makes did_emsg, got_int, and did_throw pending for
1220 * being restored at the ":endtry". Reset them here and set the
1221 * ACTIVE and FINALLY flags, so that the finally clause gets executed.
1222 * This includes the case where a missing ":endif", ":endwhile" or
1223 * ":endfor" was detected by the ":finally" itself.
1224 */
1225 if (cstack.cs_lflags & CSL_HAD_FINA)
1226 {
1227 cstack.cs_lflags &= ~CSL_HAD_FINA;
1228 report_make_pending(cstack.cs_pending[cstack.cs_idx]
1229 & (CSTP_ERROR | CSTP_INTERRUPT | CSTP_THROW),
1230 did_throw ? (void *)current_exception : NULL);
1231 did_emsg = got_int = did_throw = FALSE;
1232 cstack.cs_flags[cstack.cs_idx] |= CSF_ACTIVE | CSF_FINALLY;
1233 }
1234
1235 /* Update global "trylevel" for recursive calls to do_cmdline() from
1236 * within this loop. */
1237 trylevel = initial_trylevel + cstack.cs_trylevel;
1238
1239 /*
1240 * If the outermost try conditional (across function calls and sourced
1241 * files) is aborted because of an error, an interrupt, or an uncaught
1242 * exception, cancel everything. If it is left normally, reset
1243 * force_abort to get the non-EH compatible abortion behavior for
1244 * the rest of the script.
1245 */
1246 if (trylevel == 0 && !did_emsg && !got_int && !did_throw)
1247 force_abort = FALSE;
1248
1249 /* Convert an interrupt to an exception if appropriate. */
1250 (void)do_intthrow(&cstack);
1251 #endif /* FEAT_EVAL */
1252
1253 }
1254 /*
1255 * Continue executing command lines when:
1256 * - no CTRL-C typed, no aborting error, no exception thrown or try
1257 * conditionals need to be checked for executing finally clauses or
1258 * catching an interrupt exception
1259 * - didn't get an error message or lines are not typed
1260 * - there is a command after '|', inside a :if, :while, :for or :try, or
1261 * looping for ":source" command or function call.
1262 */
1263 while (!((got_int
1264 #ifdef FEAT_EVAL
1265 || (did_emsg && force_abort) || did_throw
1266 #endif
1267 )
1268 #ifdef FEAT_EVAL
1269 && cstack.cs_trylevel == 0
1270 #endif
1271 )
1272 && !(did_emsg && used_getline
1273 && (getline_equal(getline, cookie, getexmodeline)
1274 || getline_equal(getline, cookie, getexline)))
1275 && (next_cmdline != NULL
1276 #ifdef FEAT_EVAL
1277 || cstack.cs_idx >= 0
1278 #endif
1279 || (flags & DOCMD_REPEAT)));
1280
1281 vim_free(cmdline_copy);
1282 #ifdef FEAT_EVAL
1283 free_cmdlines(&lines_ga);
1284 ga_clear(&lines_ga);
1285
1286 if (cstack.cs_idx >= 0)
1287 {
1288 /*
1289 * If a sourced file or executed function ran to its end, report the
1290 * unclosed conditional.
1291 */
1292 if (!got_int && !did_throw
1293 && ((getline_equal(getline, cookie, getsourceline)
1294 && !source_finished(getline, cookie))
1295 || (getline_equal(getline, cookie, get_func_line)
1296 && !func_has_ended(real_cookie))))
1297 {
1298 if (cstack.cs_flags[cstack.cs_idx] & CSF_TRY)
1299 EMSG(_(e_endtry));
1300 else if (cstack.cs_flags[cstack.cs_idx] & CSF_WHILE)
1301 EMSG(_(e_endwhile));
1302 else if (cstack.cs_flags[cstack.cs_idx] & CSF_FOR)
1303 EMSG(_(e_endfor));
1304 else
1305 EMSG(_(e_endif));
1306 }
1307
1308 /*
1309 * Reset "trylevel" in case of a ":finish" or ":return" or a missing
1310 * ":endtry" in a sourced file or executed function. If the try
1311 * conditional is in its finally clause, ignore anything pending.
1312 * If it is in a catch clause, finish the caught exception.
1313 * Also cleanup any "cs_forinfo" structures.
1314 */
1315 do
1316 {
1317 int idx = cleanup_conditionals(&cstack, 0, TRUE);
1318
1319 if (idx >= 0)
1320 --idx; /* remove try block not in its finally clause */
1321 rewind_conditionals(&cstack, idx, CSF_WHILE | CSF_FOR,
1322 &cstack.cs_looplevel);
1323 }
1324 while (cstack.cs_idx >= 0);
1325 trylevel = initial_trylevel;
1326 }
1327
1328 /* If a missing ":endtry", ":endwhile", ":endfor", or ":endif" or a memory
1329 * lack was reported above and the error message is to be converted to an
1330 * exception, do this now after rewinding the cstack. */
1331 do_errthrow(&cstack, getline_equal(getline, cookie, get_func_line)
1332 ? (char_u *)"endfunction" : (char_u *)NULL);
1333
1334 if (trylevel == 0)
1335 {
1336 /*
1337 * When an exception is being thrown out of the outermost try
1338 * conditional, discard the uncaught exception, disable the conversion
1339 * of interrupts or errors to exceptions, and ensure that no more
1340 * commands are executed.
1341 */
1342 if (did_throw)
1343 {
1344 void *p = NULL;
1345 char_u *saved_sourcing_name;
1346 int saved_sourcing_lnum;
1347 struct msglist *messages = NULL, *next;
1348
1349 /*
1350 * If the uncaught exception is a user exception, report it as an
1351 * error. If it is an error exception, display the saved error
1352 * message now. For an interrupt exception, do nothing; the
1353 * interrupt message is given elsewhere.
1354 */
1355 switch (current_exception->type)
1356 {
1357 case ET_USER:
1358 vim_snprintf((char *)IObuff, IOSIZE,
1359 _("E605: Exception not caught: %s"),
1360 current_exception->value);
1361 p = vim_strsave(IObuff);
1362 break;
1363 case ET_ERROR:
1364 messages = current_exception->messages;
1365 current_exception->messages = NULL;
1366 break;
1367 case ET_INTERRUPT:
1368 break;
1369 default:
1370 p = vim_strsave((char_u *)_(e_internal));
1371 }
1372
1373 saved_sourcing_name = sourcing_name;
1374 saved_sourcing_lnum = sourcing_lnum;
1375 sourcing_name = current_exception->throw_name;
1376 sourcing_lnum = current_exception->throw_lnum;
1377 current_exception->throw_name = NULL;
1378
1379 discard_current_exception(); /* uses IObuff if 'verbose' */
1380 suppress_errthrow = TRUE;
1381 force_abort = TRUE;
1382
1383 if (messages != NULL)
1384 {
1385 do
1386 {
1387 next = messages->next;
1388 emsg(messages->msg);
1389 vim_free(messages->msg);
1390 vim_free(messages);
1391 messages = next;
1392 }
1393 while (messages != NULL);
1394 }
1395 else if (p != NULL)
1396 {
1397 emsg(p);
1398 vim_free(p);
1399 }
1400 vim_free(sourcing_name);
1401 sourcing_name = saved_sourcing_name;
1402 sourcing_lnum = saved_sourcing_lnum;
1403 }
1404
1405 /*
1406 * On an interrupt or an aborting error not converted to an exception,
1407 * disable the conversion of errors to exceptions. (Interrupts are not
1408 * converted any more, here.) This enables also the interrupt message
1409 * when force_abort is set and did_emsg unset in case of an interrupt
1410 * from a finally clause after an error.
1411 */
1412 else if (got_int || (did_emsg && force_abort))
1413 suppress_errthrow = TRUE;
1414 }
1415
1416 /*
1417 * The current cstack will be freed when do_cmdline() returns. An uncaught
1418 * exception will have to be rethrown in the previous cstack. If a function
1419 * has just returned or a script file was just finished and the previous
1420 * cstack belongs to the same function or, respectively, script file, it
1421 * will have to be checked for finally clauses to be executed due to the
1422 * ":return" or ":finish". This is done in do_one_cmd().
1423 */
1424 if (did_throw)
1425 need_rethrow = TRUE;
1426 if ((getline_equal(getline, cookie, getsourceline)
1427 && ex_nesting_level > source_level(real_cookie))
1428 || (getline_equal(getline, cookie, get_func_line)
1429 && ex_nesting_level > func_level(real_cookie) + 1))
1430 {
1431 if (!did_throw)
1432 check_cstack = TRUE;
1433 }
1434 else
1435 {
1436 /* When leaving a function, reduce nesting level. */
1437 if (getline_equal(getline, cookie, get_func_line))
1438 --ex_nesting_level;
1439 /*
1440 * Go to debug mode when returning from a function in which we are
1441 * single-stepping.
1442 */
1443 if ((getline_equal(getline, cookie, getsourceline)
1444 || getline_equal(getline, cookie, get_func_line))
1445 && ex_nesting_level + 1 <= debug_break_level)
1446 do_debug(getline_equal(getline, cookie, getsourceline)
1447 ? (char_u *)_("End of sourced file")
1448 : (char_u *)_("End of function"));
1449 }
1450
1451 /*
1452 * Restore the exception environment (done after returning from the
1453 * debugger).
1454 */
1455 if (flags & DOCMD_EXCRESET)
1456 restore_dbg_stuff(&debug_saved);
1457
1458 msg_list = saved_msg_list;
1459 #endif /* FEAT_EVAL */
1460
1461 /*
1462 * If there was too much output to fit on the command line, ask the user to
1463 * hit return before redrawing the screen. With the ":global" command we do
1464 * this only once after the command is finished.
1465 */
1466 if (did_inc)
1467 {
1468 --RedrawingDisabled;
1469 --no_wait_return;
1470 msg_scroll = FALSE;
1471
1472 /*
1473 * When just finished an ":if"-":else" which was typed, no need to
1474 * wait for hit-return. Also for an error situation.
1475 */
1476 if (retval == FAIL
1477 #ifdef FEAT_EVAL
1478 || (did_endif && KeyTyped && !did_emsg)
1479 #endif
1480 )
1481 {
1482 need_wait_return = FALSE;
1483 msg_didany = FALSE; /* don't wait when restarting edit */
1484 }
1485 else if (need_wait_return)
1486 {
1487 /*
1488 * The msg_start() above clears msg_didout. The wait_return we do
1489 * here should not overwrite the command that may be shown before
1490 * doing that.
1491 */
1492 msg_didout |= msg_didout_before_start;
1493 wait_return(FALSE);
1494 }
1495 }
1496
1497 #ifndef FEAT_EVAL
1498 /*
1499 * Reset if_level, in case a sourced script file contains more ":if" than
1500 * ":endif" (could be ":if x | foo | endif").
1501 */
1502 if_level = 0;
1503 #endif
1504
1505 --call_depth;
1506 return retval;
1507 }
1508
1509 #ifdef FEAT_EVAL
1510 /*
1511 * Obtain a line when inside a ":while" or ":for" loop.
1512 */
1513 static char_u *
1514 get_loop_line(c, cookie, indent)
1515 int c;
1516 void *cookie;
1517 int indent;
1518 {
1519 struct loop_cookie *cp = (struct loop_cookie *)cookie;
1520 wcmd_T *wp;
1521 char_u *line;
1522
1523 if (cp->current_line + 1 >= cp->lines_gap->ga_len)
1524 {
1525 if (cp->repeating)
1526 return NULL; /* trying to read past ":endwhile"/":endfor" */
1527
1528 /* First time inside the ":while"/":for": get line normally. */
1529 if (cp->getline == NULL)
1530 line = getcmdline(c, 0L, indent);
1531 else
1532 line = cp->getline(c, cp->cookie, indent);
1533 if (line != NULL && store_loop_line(cp->lines_gap, line) == OK)
1534 ++cp->current_line;
1535
1536 return line;
1537 }
1538
1539 KeyTyped = FALSE;
1540 ++cp->current_line;
1541 wp = (wcmd_T *)(cp->lines_gap->ga_data) + cp->current_line;
1542 sourcing_lnum = wp->lnum;
1543 return vim_strsave(wp->line);
1544 }
1545
1546 /*
1547 * Store a line in "gap" so that a ":while" loop can execute it again.
1548 */
1549 static int
1550 store_loop_line(gap, line)
1551 garray_T *gap;
1552 char_u *line;
1553 {
1554 if (ga_grow(gap, 1) == FAIL)
1555 return FAIL;
1556 ((wcmd_T *)(gap->ga_data))[gap->ga_len].line = vim_strsave(line);
1557 ((wcmd_T *)(gap->ga_data))[gap->ga_len].lnum = sourcing_lnum;
1558 ++gap->ga_len;
1559 return OK;
1560 }
1561
1562 /*
1563 * Free the lines stored for a ":while" or ":for" loop.
1564 */
1565 static void
1566 free_cmdlines(gap)
1567 garray_T *gap;
1568 {
1569 while (gap->ga_len > 0)
1570 {
1571 vim_free(((wcmd_T *)(gap->ga_data))[gap->ga_len - 1].line);
1572 --gap->ga_len;
1573 }
1574 }
1575 #endif
1576
1577 /*
1578 * If "fgetline" is get_loop_line(), return TRUE if the getline it uses equals
1579 * "func". * Otherwise return TRUE when "fgetline" equals "func".
1580 */
1581 int
1582 getline_equal(fgetline, cookie, func)
1583 char_u *(*fgetline) __ARGS((int, void *, int));
1584 void *cookie UNUSED; /* argument for fgetline() */
1585 char_u *(*func) __ARGS((int, void *, int));
1586 {
1587 #ifdef FEAT_EVAL
1588 char_u *(*gp) __ARGS((int, void *, int));
1589 struct loop_cookie *cp;
1590
1591 /* When "fgetline" is "get_loop_line()" use the "cookie" to find the
1592 * function that's originally used to obtain the lines. This may be
1593 * nested several levels. */
1594 gp = fgetline;
1595 cp = (struct loop_cookie *)cookie;
1596 while (gp == get_loop_line)
1597 {
1598 gp = cp->getline;
1599 cp = cp->cookie;
1600 }
1601 return gp == func;
1602 #else
1603 return fgetline == func;
1604 #endif
1605 }
1606
1607 #if defined(FEAT_EVAL) || defined(FEAT_MBYTE) || defined(PROTO)
1608 /*
1609 * If "fgetline" is get_loop_line(), return the cookie used by the original
1610 * getline function. Otherwise return "cookie".
1611 */
1612 void *
1613 getline_cookie(fgetline, cookie)
1614 char_u *(*fgetline) __ARGS((int, void *, int)) UNUSED;
1615 void *cookie; /* argument for fgetline() */
1616 {
1617 # ifdef FEAT_EVAL
1618 char_u *(*gp) __ARGS((int, void *, int));
1619 struct loop_cookie *cp;
1620
1621 /* When "fgetline" is "get_loop_line()" use the "cookie" to find the
1622 * cookie that's originally used to obtain the lines. This may be nested
1623 * several levels. */
1624 gp = fgetline;
1625 cp = (struct loop_cookie *)cookie;
1626 while (gp == get_loop_line)
1627 {
1628 gp = cp->getline;
1629 cp = cp->cookie;
1630 }
1631 return cp;
1632 # else
1633 return cookie;
1634 # endif
1635 }
1636 #endif
1637
1638 /*
1639 * Execute one Ex command.
1640 *
1641 * If 'sourcing' is TRUE, the command will be included in the error message.
1642 *
1643 * 1. skip comment lines and leading space
1644 * 2. handle command modifiers
1645 * 3. parse range
1646 * 4. parse command
1647 * 5. parse arguments
1648 * 6. switch on command name
1649 *
1650 * Note: "fgetline" can be NULL.
1651 *
1652 * This function may be called recursively!
1653 */
1654 #if (_MSC_VER == 1200)
1655 /*
1656 * Avoid optimisation bug in VC++ version 6.0
1657 */
1658 #pragma optimize( "g", off )
1659 #endif
1660 static char_u *
1661 do_one_cmd(cmdlinep, sourcing,
1662 #ifdef FEAT_EVAL
1663 cstack,
1664 #endif
1665 fgetline, cookie)
1666 char_u **cmdlinep;
1667 int sourcing;
1668 #ifdef FEAT_EVAL
1669 struct condstack *cstack;
1670 #endif
1671 char_u *(*fgetline) __ARGS((int, void *, int));
1672 void *cookie; /* argument for fgetline() */
1673 {
1674 char_u *p;
1675 linenr_T lnum;
1676 long n;
1677 char_u *errormsg = NULL; /* error message */
1678 exarg_T ea; /* Ex command arguments */
1679 long verbose_save = -1;
1680 int save_msg_scroll = 0;
1681 int did_silent = 0;
1682 int did_esilent = 0;
1683 #ifdef HAVE_SANDBOX
1684 int did_sandbox = FALSE;
1685 #endif
1686 cmdmod_T save_cmdmod;
1687 int ni; /* set when Not Implemented */
1688
1689 vim_memset(&ea, 0, sizeof(ea));
1690 ea.line1 = 1;
1691 ea.line2 = 1;
1692 #ifdef FEAT_EVAL
1693 ++ex_nesting_level;
1694 #endif
1695
1696 /* when not editing the last file :q has to be typed twice */
1697 if (quitmore
1698 #ifdef FEAT_EVAL
1699 /* avoid that a function call in 'statusline' does this */
1700 && !getline_equal(fgetline, cookie, get_func_line)
1701 #endif
1702 )
1703 --quitmore;
1704
1705 /*
1706 * Reset browse, confirm, etc.. They are restored when returning, for
1707 * recursive calls.
1708 */
1709 save_cmdmod = cmdmod;
1710 vim_memset(&cmdmod, 0, sizeof(cmdmod));
1711
1712 /* "#!anything" is handled like a comment. */
1713 if ((*cmdlinep)[0] == '#' && (*cmdlinep)[1] == '!')
1714 goto doend;
1715
1716 /*
1717 * Repeat until no more command modifiers are found.
1718 */
1719 ea.cmd = *cmdlinep;
1720 for (;;)
1721 {
1722 /*
1723 * 1. skip comment lines and leading white space and colons
1724 */
1725 while (*ea.cmd == ' ' || *ea.cmd == '\t' || *ea.cmd == ':')
1726 ++ea.cmd;
1727
1728 /* in ex mode, an empty line works like :+ */
1729 if (*ea.cmd == NUL && exmode_active
1730 && (getline_equal(fgetline, cookie, getexmodeline)
1731 || getline_equal(fgetline, cookie, getexline))
1732 && curwin->w_cursor.lnum < curbuf->b_ml.ml_line_count)
1733 {
1734 ea.cmd = (char_u *)"+";
1735 ex_pressedreturn = TRUE;
1736 }
1737
1738 /* ignore comment and empty lines */
1739 if (*ea.cmd == '"')
1740 goto doend;
1741 if (*ea.cmd == NUL)
1742 {
1743 ex_pressedreturn = TRUE;
1744 goto doend;
1745 }
1746
1747 /*
1748 * 2. handle command modifiers.
1749 */
1750 p = ea.cmd;
1751 if (VIM_ISDIGIT(*ea.cmd))
1752 p = skipwhite(skipdigits(ea.cmd));
1753 switch (*p)
1754 {
1755 /* When adding an entry, also modify cmd_exists(). */
1756 case 'a': if (!checkforcmd(&ea.cmd, "aboveleft", 3))
1757 break;
1758 #ifdef FEAT_WINDOWS
1759 cmdmod.split |= WSP_ABOVE;
1760 #endif
1761 continue;
1762
1763 case 'b': if (checkforcmd(&ea.cmd, "belowright", 3))
1764 {
1765 #ifdef FEAT_WINDOWS
1766 cmdmod.split |= WSP_BELOW;
1767 #endif
1768 continue;
1769 }
1770 if (checkforcmd(&ea.cmd, "browse", 3))
1771 {
1772 #ifdef FEAT_BROWSE_CMD
1773 cmdmod.browse = TRUE;
1774 #endif
1775 continue;
1776 }
1777 if (!checkforcmd(&ea.cmd, "botright", 2))
1778 break;
1779 #ifdef FEAT_WINDOWS
1780 cmdmod.split |= WSP_BOT;
1781 #endif
1782 continue;
1783
1784 case 'c': if (!checkforcmd(&ea.cmd, "confirm", 4))
1785 break;
1786 #if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG)
1787 cmdmod.confirm = TRUE;
1788 #endif
1789 continue;
1790
1791 case 'k': if (checkforcmd(&ea.cmd, "keepmarks", 3))
1792 {
1793 cmdmod.keepmarks = TRUE;
1794 continue;
1795 }
1796 if (checkforcmd(&ea.cmd, "keepalt", 5))
1797 {
1798 cmdmod.keepalt = TRUE;
1799 continue;
1800 }
1801 if (!checkforcmd(&ea.cmd, "keepjumps", 5))
1802 break;
1803 cmdmod.keepjumps = TRUE;
1804 continue;
1805
1806 /* ":hide" and ":hide | cmd" are not modifiers */
1807 case 'h': if (p != ea.cmd || !checkforcmd(&p, "hide", 3)
1808 || *p == NUL || ends_excmd(*p))
1809 break;
1810 ea.cmd = p;
1811 cmdmod.hide = TRUE;
1812 continue;
1813
1814 case 'l': if (checkforcmd(&ea.cmd, "lockmarks", 3))
1815 {
1816 cmdmod.lockmarks = TRUE;
1817 continue;
1818 }
1819
1820 if (!checkforcmd(&ea.cmd, "leftabove", 5))
1821 break;
1822 #ifdef FEAT_WINDOWS
1823 cmdmod.split |= WSP_ABOVE;
1824 #endif
1825 continue;
1826
1827 case 'n': if (!checkforcmd(&ea.cmd, "noautocmd", 3))
1828 break;
1829 #ifdef FEAT_AUTOCMD
1830 if (cmdmod.save_ei == NULL)
1831 {
1832 /* Set 'eventignore' to "all". Restore the
1833 * existing option value later. */
1834 cmdmod.save_ei = vim_strsave(p_ei);
1835 set_string_option_direct((char_u *)"ei", -1,
1836 (char_u *)"all", OPT_FREE, SID_NONE);
1837 }
1838 #endif
1839 continue;
1840
1841 case 'r': if (!checkforcmd(&ea.cmd, "rightbelow", 6))
1842 break;
1843 #ifdef FEAT_WINDOWS
1844 cmdmod.split |= WSP_BELOW;
1845 #endif
1846 continue;
1847
1848 case 's': if (checkforcmd(&ea.cmd, "sandbox", 3))
1849 {
1850 #ifdef HAVE_SANDBOX
1851 if (!did_sandbox)
1852 ++sandbox;
1853 did_sandbox = TRUE;
1854 #endif
1855 continue;
1856 }
1857 if (!checkforcmd(&ea.cmd, "silent", 3))
1858 break;
1859 ++did_silent;
1860 ++msg_silent;
1861 save_msg_scroll = msg_scroll;
1862 if (*ea.cmd == '!' && !vim_iswhite(ea.cmd[-1]))
1863 {
1864 /* ":silent!", but not "silent !cmd" */
1865 ea.cmd = skipwhite(ea.cmd + 1);
1866 ++emsg_silent;
1867 ++did_esilent;
1868 }
1869 continue;
1870
1871 case 't': if (checkforcmd(&p, "tab", 3))
1872 {
1873 #ifdef FEAT_WINDOWS
1874 if (vim_isdigit(*ea.cmd))
1875 cmdmod.tab = atoi((char *)ea.cmd) + 1;
1876 else
1877 cmdmod.tab = tabpage_index(curtab) + 1;
1878 ea.cmd = p;
1879 #endif
1880 continue;
1881 }
1882 if (!checkforcmd(&ea.cmd, "topleft", 2))
1883 break;
1884 #ifdef FEAT_WINDOWS
1885 cmdmod.split |= WSP_TOP;
1886 #endif
1887 continue;
1888
1889 case 'v': if (checkforcmd(&ea.cmd, "vertical", 4))
1890 {
1891 #ifdef FEAT_VERTSPLIT
1892 cmdmod.split |= WSP_VERT;
1893 #endif
1894 continue;
1895 }
1896 if (!checkforcmd(&p, "verbose", 4))
1897 break;
1898 if (verbose_save < 0)
1899 verbose_save = p_verbose;
1900 if (vim_isdigit(*ea.cmd))
1901 p_verbose = atoi((char *)ea.cmd);
1902 else
1903 p_verbose = 1;
1904 ea.cmd = p;
1905 continue;
1906 }
1907 break;
1908 }
1909
1910 #ifdef FEAT_EVAL
1911 ea.skip = did_emsg || got_int || did_throw || (cstack->cs_idx >= 0
1912 && !(cstack->cs_flags[cstack->cs_idx] & CSF_ACTIVE));
1913 #else
1914 ea.skip = (if_level > 0);
1915 #endif
1916
1917 #ifdef FEAT_EVAL
1918 # ifdef FEAT_PROFILE
1919 /* Count this line for profiling if ea.skip is FALSE. */
1920 if (do_profiling == PROF_YES && !ea.skip)
1921 {
1922 if (getline_equal(fgetline, cookie, get_func_line))
1923 func_line_exec(getline_cookie(fgetline, cookie));
1924 else if (getline_equal(fgetline, cookie, getsourceline))
1925 script_line_exec();
1926 }
1927 #endif
1928
1929 /* May go to debug mode. If this happens and the ">quit" debug command is
1930 * used, throw an interrupt exception and skip the next command. */
1931 dbg_check_breakpoint(&ea);
1932 if (!ea.skip && got_int)
1933 {
1934 ea.skip = TRUE;
1935 (void)do_intthrow(cstack);
1936 }
1937 #endif
1938
1939 /*
1940 * 3. parse a range specifier of the form: addr [,addr] [;addr] ..
1941 *
1942 * where 'addr' is:
1943 *
1944 * % (entire file)
1945 * $ [+-NUM]
1946 * 'x [+-NUM] (where x denotes a currently defined mark)
1947 * . [+-NUM]
1948 * [+-NUM]..
1949 * NUM
1950 *
1951 * The ea.cmd pointer is updated to point to the first character following the
1952 * range spec. If an initial address is found, but no second, the upper bound
1953 * is equal to the lower.
1954 */
1955
1956 /* repeat for all ',' or ';' separated addresses */
1957 for (;;)
1958 {
1959 ea.line1 = ea.line2;
1960 ea.line2 = curwin->w_cursor.lnum; /* default is current line number */
1961 ea.cmd = skipwhite(ea.cmd);
1962 lnum = get_address(&ea.cmd, ea.skip, ea.addr_count == 0);
1963 if (ea.cmd == NULL) /* error detected */
1964 goto doend;
1965 if (lnum == MAXLNUM)
1966 {
1967 if (*ea.cmd == '%') /* '%' - all lines */
1968 {
1969 ++ea.cmd;
1970 ea.line1 = 1;
1971 ea.line2 = curbuf->b_ml.ml_line_count;
1972 ++ea.addr_count;
1973 }
1974 /* '*' - visual area */
1975 else if (*ea.cmd == '*' && vim_strchr(p_cpo, CPO_STAR) == NULL)
1976 {
1977 pos_T *fp;
1978
1979 ++ea.cmd;
1980 if (!ea.skip)
1981 {
1982 fp = getmark('<', FALSE);
1983 if (check_mark(fp) == FAIL)
1984 goto doend;
1985 ea.line1 = fp->lnum;
1986 fp = getmark('>', FALSE);
1987 if (check_mark(fp) == FAIL)
1988 goto doend;
1989 ea.line2 = fp->lnum;
1990 ++ea.addr_count;
1991 }
1992 }
1993 }
1994 else
1995 ea.line2 = lnum;
1996 ea.addr_count++;
1997
1998 if (*ea.cmd == ';')
1999 {
2000 if (!ea.skip)
2001 curwin->w_cursor.lnum = ea.line2;
2002 }
2003 else if (*ea.cmd != ',')
2004 break;
2005 ++ea.cmd;
2006 }
2007
2008 /* One address given: set start and end lines */
2009 if (ea.addr_count == 1)
2010 {
2011 ea.line1 = ea.line2;
2012 /* ... but only implicit: really no address given */
2013 if (lnum == MAXLNUM)
2014 ea.addr_count = 0;
2015 }
2016
2017 /* Don't leave the cursor on an illegal line (caused by ';') */
2018 check_cursor_lnum();
2019
2020 /*
2021 * 4. parse command
2022 */
2023
2024 /*
2025 * Skip ':' and any white space
2026 */
2027 ea.cmd = skipwhite(ea.cmd);
2028 while (*ea.cmd == ':')
2029 ea.cmd = skipwhite(ea.cmd + 1);
2030
2031 /*
2032 * If we got a line, but no command, then go to the line.
2033 * If we find a '|' or '\n' we set ea.nextcmd.
2034 */
2035 if (*ea.cmd == NUL || *ea.cmd == '"' ||
2036 (ea.nextcmd = check_nextcmd(ea.cmd)) != NULL)
2037 {
2038 /*
2039 * strange vi behaviour:
2040 * ":3" jumps to line 3
2041 * ":3|..." prints line 3
2042 * ":|" prints current line
2043 */
2044 if (ea.skip) /* skip this if inside :if */
2045 goto doend;
2046 if (*ea.cmd == '|' || (exmode_active && ea.line1 != ea.line2))
2047 {
2048 ea.cmdidx = CMD_print;
2049 ea.argt = RANGE+COUNT+TRLBAR;
2050 if ((errormsg = invalid_range(&ea)) == NULL)
2051 {
2052 correct_range(&ea);
2053 ex_print(&ea);
2054 }
2055 }
2056 else if (ea.addr_count != 0)
2057 {
2058 if (ea.line2 > curbuf->b_ml.ml_line_count)
2059 {
2060 /* With '-' in 'cpoptions' a line number past the file is an
2061 * error, otherwise put it at the end of the file. */
2062 if (vim_strchr(p_cpo, CPO_MINUS) != NULL)
2063 ea.line2 = -1;
2064 else
2065 ea.line2 = curbuf->b_ml.ml_line_count;
2066 }
2067
2068 if (ea.line2 < 0)
2069 errormsg = (char_u *)_(e_invrange);
2070 else
2071 {
2072 if (ea.line2 == 0)
2073 curwin->w_cursor.lnum = 1;
2074 else
2075 curwin->w_cursor.lnum = ea.line2;
2076 beginline(BL_SOL | BL_FIX);
2077 }
2078 }
2079 goto doend;
2080 }
2081
2082 /* Find the command and let "p" point to after it. */
2083 p = find_command(&ea, NULL);
2084
2085 #ifdef FEAT_USR_CMDS
2086 if (p == NULL)
2087 {
2088 if (!ea.skip)
2089 errormsg = (char_u *)_("E464: Ambiguous use of user-defined command");
2090 goto doend;
2091 }
2092 /* Check for wrong commands. */
2093 if (*p == '!' && ea.cmd[1] == 0151 && ea.cmd[0] == 78)
2094 {
2095 errormsg = uc_fun_cmd();
2096 goto doend;
2097 }
2098 #endif
2099 if (ea.cmdidx == CMD_SIZE)
2100 {
2101 if (!ea.skip)
2102 {
2103 STRCPY(IObuff, _("E492: Not an editor command"));
2104 if (!sourcing)
2105 {
2106 STRCAT(IObuff, ": ");
2107 STRNCAT(IObuff, *cmdlinep, 40);
2108 }
2109 errormsg = IObuff;
2110 }
2111 goto doend;
2112 }
2113
2114 ni = (
2115 #ifdef FEAT_USR_CMDS
2116 !USER_CMDIDX(ea.cmdidx) &&
2117 #endif
2118 (cmdnames[ea.cmdidx].cmd_func == ex_ni
2119 #ifdef HAVE_EX_SCRIPT_NI
2120 || cmdnames[ea.cmdidx].cmd_func == ex_script_ni
2121 #endif
2122 ));
2123
2124 #ifndef FEAT_EVAL
2125 /*
2126 * When the expression evaluation is disabled, recognize the ":if" and
2127 * ":endif" commands and ignore everything in between it.
2128 */
2129 if (ea.cmdidx == CMD_if)
2130 ++if_level;
2131 if (if_level)
2132 {
2133 if (ea.cmdidx == CMD_endif)
2134 --if_level;
2135 goto doend;
2136 }
2137
2138 #endif
2139
2140 /* forced commands */
2141 if (*p == '!' && ea.cmdidx != CMD_substitute
2142 && ea.cmdidx != CMD_smagic && ea.cmdidx != CMD_snomagic)
2143 {
2144 ++p;
2145 ea.forceit = TRUE;
2146 }
2147 else
2148 ea.forceit = FALSE;
2149
2150 /*
2151 * 5. parse arguments
2152 */
2153 #ifdef FEAT_USR_CMDS
2154 if (!USER_CMDIDX(ea.cmdidx))
2155 #endif
2156 ea.argt = (long)cmdnames[(int)ea.cmdidx].cmd_argt;
2157
2158 if (!ea.skip)
2159 {
2160 #ifdef HAVE_SANDBOX
2161 if (sandbox != 0 && !(ea.argt & SBOXOK))
2162 {
2163 /* Command not allowed in sandbox. */
2164 errormsg = (char_u *)_(e_sandbox);
2165 goto doend;
2166 }
2167 #endif
2168 if (!curbuf->b_p_ma && (ea.argt & MODIFY))
2169 {
2170 /* Command not allowed in non-'modifiable' buffer */
2171 errormsg = (char_u *)_(e_modifiable);
2172 goto doend;
2173 }
2174
2175 if (text_locked() && !(ea.argt & CMDWIN)
2176 # ifdef FEAT_USR_CMDS
2177 && !USER_CMDIDX(ea.cmdidx)
2178 # endif
2179 )
2180 {
2181 /* Command not allowed when editing the command line. */
2182 #ifdef FEAT_CMDWIN
2183 if (cmdwin_type != 0)
2184 errormsg = (char_u *)_(e_cmdwin);
2185 else
2186 #endif
2187 errormsg = (char_u *)_(e_secure);
2188 goto doend;
2189 }
2190 #ifdef FEAT_AUTOCMD
2191 /* Disallow editing another buffer when "curbuf_lock" is set.
2192 * Do allow ":edit" (check for argument later).
2193 * Do allow ":checktime" (it's postponed). */
2194 if (!(ea.argt & CMDWIN)
2195 && ea.cmdidx != CMD_edit
2196 && ea.cmdidx != CMD_checktime
2197 # ifdef FEAT_USR_CMDS
2198 && !USER_CMDIDX(ea.cmdidx)
2199 # endif
2200 && curbuf_locked())
2201 goto doend;
2202 #endif
2203
2204 if (!ni && !(ea.argt & RANGE) && ea.addr_count > 0)
2205 {
2206 /* no range allowed */
2207 errormsg = (char_u *)_(e_norange);
2208 goto doend;
2209 }
2210 }
2211
2212 if (!ni && !(ea.argt & BANG) && ea.forceit) /* no <!> allowed */
2213 {
2214 errormsg = (char_u *)_(e_nobang);
2215 goto doend;
2216 }
2217
2218 /*
2219 * Don't complain about the range if it is not used
2220 * (could happen if line_count is accidentally set to 0).
2221 */
2222 if (!ea.skip && !ni)
2223 {
2224 /*
2225 * If the range is backwards, ask for confirmation and, if given, swap
2226 * ea.line1 & ea.line2 so it's forwards again.
2227 * When global command is busy, don't ask, will fail below.
2228 */
2229 if (!global_busy && ea.line1 > ea.line2)
2230 {
2231 if (msg_silent == 0)
2232 {
2233 if (sourcing || exmode_active)
2234 {
2235 errormsg = (char_u *)_("E493: Backwards range given");
2236 goto doend;
2237 }
2238 if (ask_yesno((char_u *)
2239 _("Backwards range given, OK to swap"), FALSE) != 'y')
2240 goto doend;
2241 }
2242 lnum = ea.line1;
2243 ea.line1 = ea.line2;
2244 ea.line2 = lnum;
2245 }
2246 if ((errormsg = invalid_range(&ea)) != NULL)
2247 goto doend;
2248 }
2249
2250 if ((ea.argt & NOTADR) && ea.addr_count == 0) /* default is 1, not cursor */
2251 ea.line2 = 1;
2252
2253 correct_range(&ea);
2254
2255 #ifdef FEAT_FOLDING
2256 if (((ea.argt & WHOLEFOLD) || ea.addr_count >= 2) && !global_busy)
2257 {
2258 /* Put the first line at the start of a closed fold, put the last line
2259 * at the end of a closed fold. */
2260 (void)hasFolding(ea.line1, &ea.line1, NULL);
2261 (void)hasFolding(ea.line2, NULL, &ea.line2);
2262 }
2263 #endif
2264
2265 #ifdef FEAT_QUICKFIX
2266 /*
2267 * For the ":make" and ":grep" commands we insert the 'makeprg'/'grepprg'
2268 * option here, so things like % get expanded.
2269 */
2270 p = replace_makeprg(&ea, p, cmdlinep);
2271 if (p == NULL)
2272 goto doend;
2273 #endif
2274
2275 /*
2276 * Skip to start of argument.
2277 * Don't do this for the ":!" command, because ":!! -l" needs the space.
2278 */
2279 if (ea.cmdidx == CMD_bang)
2280 ea.arg = p;
2281 else
2282 ea.arg = skipwhite(p);
2283
2284 /*
2285 * Check for "++opt=val" argument.
2286 * Must be first, allow ":w ++enc=utf8 !cmd"
2287 */
2288 if (ea.argt & ARGOPT)
2289 while (ea.arg[0] == '+' && ea.arg[1] == '+')
2290 if (getargopt(&ea) == FAIL && !ni)
2291 {
2292 errormsg = (char_u *)_(e_invarg);
2293 goto doend;
2294 }
2295
2296 if (ea.cmdidx == CMD_write || ea.cmdidx == CMD_update)
2297 {
2298 if (*ea.arg == '>') /* append */
2299 {
2300 if (*++ea.arg != '>') /* typed wrong */
2301 {
2302 errormsg = (char_u *)_("E494: Use w or w>>");
2303 goto doend;
2304 }
2305 ea.arg = skipwhite(ea.arg + 1);
2306 ea.append = TRUE;
2307 }
2308 else if (*ea.arg == '!' && ea.cmdidx == CMD_write) /* :w !filter */
2309 {
2310 ++ea.arg;
2311 ea.usefilter = TRUE;
2312 }
2313 }
2314
2315 if (ea.cmdidx == CMD_read)
2316 {
2317 if (ea.forceit)
2318 {
2319 ea.usefilter = TRUE; /* :r! filter if ea.forceit */
2320 ea.forceit = FALSE;
2321 }
2322 else if (*ea.arg == '!') /* :r !filter */
2323 {
2324 ++ea.arg;
2325 ea.usefilter = TRUE;
2326 }
2327 }
2328
2329 if (ea.cmdidx == CMD_lshift || ea.cmdidx == CMD_rshift)
2330 {
2331 ea.amount = 1;
2332 while (*ea.arg == *ea.cmd) /* count number of '>' or '<' */
2333 {
2334 ++ea.arg;
2335 ++ea.amount;
2336 }
2337 ea.arg = skipwhite(ea.arg);
2338 }
2339
2340 /*
2341 * Check for "+command" argument, before checking for next command.
2342 * Don't do this for ":read !cmd" and ":write !cmd".
2343 */
2344 if ((ea.argt & EDITCMD) && !ea.usefilter)
2345 ea.do_ecmd_cmd = getargcmd(&ea.arg);
2346
2347 /*
2348 * Check for '|' to separate commands and '"' to start comments.
2349 * Don't do this for ":read !cmd" and ":write !cmd".
2350 */
2351 if ((ea.argt & TRLBAR) && !ea.usefilter)
2352 separate_nextcmd(&ea);
2353
2354 /*
2355 * Check for <newline> to end a shell command.
2356 * Also do this for ":read !cmd", ":write !cmd" and ":global".
2357 * Any others?
2358 */
2359 else if (ea.cmdidx == CMD_bang
2360 || ea.cmdidx == CMD_global
2361 || ea.cmdidx == CMD_vglobal
2362 || ea.usefilter)
2363 {
2364 for (p = ea.arg; *p; ++p)
2365 {
2366 /* Remove one backslash before a newline, so that it's possible to
2367 * pass a newline to the shell and also a newline that is preceded
2368 * with a backslash. This makes it impossible to end a shell
2369 * command in a backslash, but that doesn't appear useful.
2370 * Halving the number of backslashes is incompatible with previous
2371 * versions. */
2372 if (*p == '\\' && p[1] == '\n')
2373 STRMOVE(p, p + 1);
2374 else if (*p == '\n')
2375 {
2376 ea.nextcmd = p + 1;
2377 *p = NUL;
2378 break;
2379 }
2380 }
2381 }
2382
2383 if ((ea.argt & DFLALL) && ea.addr_count == 0)
2384 {
2385 ea.line1 = 1;
2386 ea.line2 = curbuf->b_ml.ml_line_count;
2387 }
2388
2389 /* accept numbered register only when no count allowed (:put) */
2390 if ( (ea.argt & REGSTR)
2391 && *ea.arg != NUL
2392 #ifdef FEAT_USR_CMDS
2393 && valid_yank_reg(*ea.arg, (ea.cmdidx != CMD_put
2394 && USER_CMDIDX(ea.cmdidx)))
2395 /* Do not allow register = for user commands */
2396 && (!USER_CMDIDX(ea.cmdidx) || *ea.arg != '=')
2397 #else
2398 && valid_yank_reg(*ea.arg, ea.cmdidx != CMD_put)
2399 #endif
2400 && !((ea.argt & COUNT) && VIM_ISDIGIT(*ea.arg)))
2401 {
2402 ea.regname = *ea.arg++;
2403 #ifdef FEAT_EVAL
2404 /* for '=' register: accept the rest of the line as an expression */
2405 if (ea.arg[-1] == '=' && ea.arg[0] != NUL)
2406 {
2407 set_expr_line(vim_strsave(ea.arg));
2408 ea.arg += STRLEN(ea.arg);
2409 }
2410 #endif
2411 ea.arg = skipwhite(ea.arg);
2412 }
2413
2414 /*
2415 * Check for a count. When accepting a BUFNAME, don't use "123foo" as a
2416 * count, it's a buffer name.
2417 */
2418 if ((ea.argt & COUNT) && VIM_ISDIGIT(*ea.arg)
2419 && (!(ea.argt & BUFNAME) || *(p = skipdigits(ea.arg)) == NUL
2420 || vim_iswhite(*p)))
2421 {
2422 n = getdigits(&ea.arg);
2423 ea.arg = skipwhite(ea.arg);
2424 if (n <= 0 && !ni && (ea.argt & ZEROR) == 0)
2425 {
2426 errormsg = (char_u *)_(e_zerocount);
2427 goto doend;
2428 }
2429 if (ea.argt & NOTADR) /* e.g. :buffer 2, :sleep 3 */
2430 {
2431 ea.line2 = n;
2432 if (ea.addr_count == 0)
2433 ea.addr_count = 1;
2434 }
2435 else
2436 {
2437 ea.line1 = ea.line2;
2438 ea.line2 += n - 1;
2439 ++ea.addr_count;
2440 /*
2441 * Be vi compatible: no error message for out of range.
2442 */
2443 if (ea.line2 > curbuf->b_ml.ml_line_count)
2444 ea.line2 = curbuf->b_ml.ml_line_count;
2445 }
2446 }
2447
2448 /*
2449 * Check for flags: 'l', 'p' and '#'.
2450 */
2451 if (ea.argt & EXFLAGS)
2452 get_flags(&ea);
2453 /* no arguments allowed */
2454 if (!ni && !(ea.argt & EXTRA) && *ea.arg != NUL
2455 && *ea.arg != '"' && (*ea.arg != '|' || (ea.argt & TRLBAR) == 0))
2456 {
2457 errormsg = (char_u *)_(e_trailing);
2458 goto doend;
2459 }
2460
2461 if (!ni && (ea.argt & NEEDARG) && *ea.arg == NUL)
2462 {
2463 errormsg = (char_u *)_(e_argreq);
2464 goto doend;
2465 }
2466
2467 #ifdef FEAT_EVAL
2468 /*
2469 * Skip the command when it's not going to be executed.
2470 * The commands like :if, :endif, etc. always need to be executed.
2471 * Also make an exception for commands that handle a trailing command
2472 * themselves.
2473 */
2474 if (ea.skip)
2475 {
2476 switch (ea.cmdidx)
2477 {
2478 /* commands that need evaluation */
2479 case CMD_while:
2480 case CMD_endwhile:
2481 case CMD_for:
2482 case CMD_endfor:
2483 case CMD_if:
2484 case CMD_elseif:
2485 case CMD_else:
2486 case CMD_endif:
2487 case CMD_try:
2488 case CMD_catch:
2489 case CMD_finally:
2490 case CMD_endtry:
2491 case CMD_function:
2492 break;
2493
2494 /* Commands that handle '|' themselves. Check: A command should
2495 * either have the TRLBAR flag, appear in this list or appear in
2496 * the list at ":help :bar". */
2497 case CMD_aboveleft:
2498 case CMD_and:
2499 case CMD_belowright:
2500 case CMD_botright:
2501 case CMD_browse:
2502 case CMD_call:
2503 case CMD_confirm:
2504 case CMD_delfunction:
2505 case CMD_djump:
2506 case CMD_dlist:
2507 case CMD_dsearch:
2508 case CMD_dsplit:
2509 case CMD_echo:
2510 case CMD_echoerr:
2511 case CMD_echomsg:
2512 case CMD_echon:
2513 case CMD_execute:
2514 case CMD_help:
2515 case CMD_hide:
2516 case CMD_ijump:
2517 case CMD_ilist:
2518 case CMD_isearch:
2519 case CMD_isplit:
2520 case CMD_keepalt:
2521 case CMD_keepjumps:
2522 case CMD_keepmarks:
2523 case CMD_leftabove:
2524 case CMD_let:
2525 case CMD_lockmarks:
2526 case CMD_match:
2527 case CMD_mzscheme:
2528 case CMD_perl:
2529 case CMD_psearch:
2530 case CMD_python:
2531 case CMD_return:
2532 case CMD_rightbelow:
2533 case CMD_ruby:
2534 case CMD_silent:
2535 case CMD_smagic:
2536 case CMD_snomagic:
2537 case CMD_substitute:
2538 case CMD_syntax:
2539 case CMD_tab:
2540 case CMD_tcl:
2541 case CMD_throw:
2542 case CMD_tilde:
2543 case CMD_topleft:
2544 case CMD_unlet:
2545 case CMD_verbose:
2546 case CMD_vertical:
2547 break;
2548
2549 default: goto doend;
2550 }
2551 }
2552 #endif
2553
2554 if (ea.argt & XFILE)
2555 {
2556 if (expand_filename(&ea, cmdlinep, &errormsg) == FAIL)
2557 goto doend;
2558 }
2559
2560 #ifdef FEAT_LISTCMDS
2561 /*
2562 * Accept buffer name. Cannot be used at the same time with a buffer
2563 * number. Don't do this for a user command.
2564 */
2565 if ((ea.argt & BUFNAME) && *ea.arg != NUL && ea.addr_count == 0
2566 # ifdef FEAT_USR_CMDS
2567 && !USER_CMDIDX(ea.cmdidx)
2568 # endif
2569 )
2570 {
2571 /*
2572 * :bdelete, :bwipeout and :bunload take several arguments, separated
2573 * by spaces: find next space (skipping over escaped characters).
2574 * The others take one argument: ignore trailing spaces.
2575 */
2576 if (ea.cmdidx == CMD_bdelete || ea.cmdidx == CMD_bwipeout
2577 || ea.cmdidx == CMD_bunload)
2578 p = skiptowhite_esc(ea.arg);
2579 else
2580 {
2581 p = ea.arg + STRLEN(ea.arg);
2582 while (p > ea.arg && vim_iswhite(p[-1]))
2583 --p;
2584 }
2585 ea.line2 = buflist_findpat(ea.arg, p, (ea.argt & BUFUNL) != 0, FALSE);
2586 if (ea.line2 < 0) /* failed */
2587 goto doend;
2588 ea.addr_count = 1;
2589 ea.arg = skipwhite(p);
2590 }
2591 #endif
2592
2593 /*
2594 * 6. switch on command name
2595 *
2596 * The "ea" structure holds the arguments that can be used.
2597 */
2598 ea.cmdlinep = cmdlinep;
2599 ea.getline = fgetline;
2600 ea.cookie = cookie;
2601 #ifdef FEAT_EVAL
2602 ea.cstack = cstack;
2603 #endif
2604
2605 #ifdef FEAT_USR_CMDS
2606 if (USER_CMDIDX(ea.cmdidx))
2607 {
2608 /*
2609 * Execute a user-defined command.
2610 */
2611 do_ucmd(&ea);
2612 }
2613 else
2614 #endif
2615 {
2616 /*
2617 * Call the function to execute the command.
2618 */
2619 ea.errmsg = NULL;
2620 (cmdnames[ea.cmdidx].cmd_func)(&ea);
2621 if (ea.errmsg != NULL)
2622 errormsg = (char_u *)_(ea.errmsg);
2623 }
2624
2625 #ifdef FEAT_EVAL
2626 /*
2627 * If the command just executed called do_cmdline(), any throw or ":return"
2628 * or ":finish" encountered there must also check the cstack of the still
2629 * active do_cmdline() that called this do_one_cmd(). Rethrow an uncaught
2630 * exception, or reanimate a returned function or finished script file and
2631 * return or finish it again.
2632 */
2633 if (need_rethrow)
2634 do_throw(cstack);
2635 else if (check_cstack)
2636 {
2637 if (source_finished(fgetline, cookie))
2638 do_finish(&ea, TRUE);
2639 else if (getline_equal(fgetline, cookie, get_func_line)
2640 && current_func_returned())
2641 do_return(&ea, TRUE, FALSE, NULL);
2642 }
2643 need_rethrow = check_cstack = FALSE;
2644 #endif
2645
2646 doend:
2647 if (curwin->w_cursor.lnum == 0) /* can happen with zero line number */
2648 curwin->w_cursor.lnum = 1;
2649
2650 if (errormsg != NULL && *errormsg != NUL && !did_emsg)
2651 {
2652 if (sourcing)
2653 {
2654 if (errormsg != IObuff)
2655 {
2656 STRCPY(IObuff, errormsg);
2657 errormsg = IObuff;
2658 }
2659 STRCAT(errormsg, ": ");
2660 STRNCAT(errormsg, *cmdlinep, IOSIZE - STRLEN(IObuff) - 1);
2661 }
2662 emsg(errormsg);
2663 }
2664 #ifdef FEAT_EVAL
2665 do_errthrow(cstack,
2666 (ea.cmdidx != CMD_SIZE
2667 # ifdef FEAT_USR_CMDS
2668 && !USER_CMDIDX(ea.cmdidx)
2669 # endif
2670 ) ? cmdnames[(int)ea.cmdidx].cmd_name : (char_u *)NULL);
2671 #endif
2672
2673 if (verbose_save >= 0)
2674 p_verbose = verbose_save;
2675 #ifdef FEAT_AUTOCMD
2676 if (cmdmod.save_ei != NULL)
2677 {
2678 /* Restore 'eventignore' to the value before ":noautocmd". */
2679 set_string_option_direct((char_u *)"ei", -1, cmdmod.save_ei,
2680 OPT_FREE, SID_NONE);
2681 free_string_option(cmdmod.save_ei);
2682 }
2683 #endif
2684
2685 cmdmod = save_cmdmod;
2686
2687 if (did_silent > 0)
2688 {
2689 /* messages could be enabled for a serious error, need to check if the
2690 * counters don't become negative */
2691 msg_silent -= did_silent;
2692 if (msg_silent < 0)
2693 msg_silent = 0;
2694 emsg_silent -= did_esilent;
2695 if (emsg_silent < 0)
2696 emsg_silent = 0;
2697 /* Restore msg_scroll, it's set by file I/O commands, even when no
2698 * message is actually displayed. */
2699 msg_scroll = save_msg_scroll;
2700
2701 /* "silent reg" or "silent echo x" inside "redir" leaves msg_col
2702 * somewhere in the line. Put it back in the first column. */
2703 if (redirecting())
2704 msg_col = 0;
2705 }
2706
2707 #ifdef HAVE_SANDBOX
2708 if (did_sandbox)
2709 --sandbox;
2710 #endif
2711
2712 if (ea.nextcmd && *ea.nextcmd == NUL) /* not really a next command */
2713 ea.nextcmd = NULL;
2714
2715 #ifdef FEAT_EVAL
2716 --ex_nesting_level;
2717 #endif
2718
2719 return ea.nextcmd;
2720 }
2721 #if (_MSC_VER == 1200)
2722 #pragma optimize( "", on )
2723 #endif
2724
2725 /*
2726 * Check for an Ex command with optional tail.
2727 * If there is a match advance "pp" to the argument and return TRUE.
2728 */
2729 int
2730 checkforcmd(pp, cmd, len)
2731 char_u **pp; /* start of command */
2732 char *cmd; /* name of command */
2733 int len; /* required length */
2734 {
2735 int i;
2736
2737 for (i = 0; cmd[i] != NUL; ++i)
2738 if (((char_u *)cmd)[i] != (*pp)[i])
2739 break;
2740 if (i >= len && !isalpha((*pp)[i]))
2741 {
2742 *pp = skipwhite(*pp + i);
2743 return TRUE;
2744 }
2745 return FALSE;
2746 }
2747
2748 /*
2749 * Find an Ex command by its name, either built-in or user.
2750 * Start of the name can be found at eap->cmd.
2751 * Returns pointer to char after the command name.
2752 * "full" is set to TRUE if the whole command name matched.
2753 * Returns NULL for an ambiguous user command.
2754 */
2755 static char_u *
2756 find_command(eap, full)
2757 exarg_T *eap;
2758 int *full UNUSED;
2759 {
2760 int len;
2761 char_u *p;
2762 int i;
2763
2764 /*
2765 * Isolate the command and search for it in the command table.
2766 * Exceptions:
2767 * - the 'k' command can directly be followed by any character.
2768 * - the 's' command can be followed directly by 'c', 'g', 'i', 'I' or 'r'
2769 * but :sre[wind] is another command, as are :scrip[tnames],
2770 * :scs[cope], :sim[alt], :sig[ns] and :sil[ent].
2771 * - the "d" command can directly be followed by 'l' or 'p' flag.
2772 */
2773 p = eap->cmd;
2774 if (*p == 'k')
2775 {
2776 eap->cmdidx = CMD_k;
2777 ++p;
2778 }
2779 else if (p[0] == 's'
2780 && ((p[1] == 'c' && p[2] != 's' && p[2] != 'r'
2781 && p[3] != 'i' && p[4] != 'p')
2782 || p[1] == 'g'
2783 || (p[1] == 'i' && p[2] != 'm' && p[2] != 'l' && p[2] != 'g')
2784 || p[1] == 'I'
2785 || (p[1] == 'r' && p[2] != 'e')))
2786 {
2787 eap->cmdidx = CMD_substitute;
2788 ++p;
2789 }
2790 else
2791 {
2792 while (ASCII_ISALPHA(*p))
2793 ++p;
2794 /* check for non-alpha command */
2795 if (p == eap->cmd && vim_strchr((char_u *)"@*!=><&~#", *p) != NULL)
2796 ++p;
2797 len = (int)(p - eap->cmd);
2798 if (*eap->cmd == 'd' && (p[-1] == 'l' || p[-1] == 'p'))
2799 {
2800 /* Check for ":dl", ":dell", etc. to ":deletel": that's
2801 * :delete with the 'l' flag. Same for 'p'. */
2802 for (i = 0; i < len; ++i)
2803 if (eap->cmd[i] != ((char_u *)"delete")[i])
2804 break;
2805 if (i == len - 1)
2806 {
2807 --len;
2808 if (p[-1] == 'l')
2809 eap->flags |= EXFLAG_LIST;
2810 else
2811 eap->flags |= EXFLAG_PRINT;
2812 }
2813 }
2814
2815 if (ASCII_ISLOWER(*eap->cmd))
2816 eap->cmdidx = cmdidxs[CharOrdLow(*eap->cmd)];
2817 else
2818 eap->cmdidx = cmdidxs[26];
2819
2820 for ( ; (int)eap->cmdidx < (int)CMD_SIZE;
2821 eap->cmdidx = (cmdidx_T)((int)eap->cmdidx + 1))
2822 if (STRNCMP(cmdnames[(int)eap->cmdidx].cmd_name, (char *)eap->cmd,
2823 (size_t)len) == 0)
2824 {
2825 #ifdef FEAT_EVAL
2826 if (full != NULL
2827 && cmdnames[(int)eap->cmdidx].cmd_name[len] == NUL)
2828 *full = TRUE;
2829 #endif
2830 break;
2831 }
2832
2833 #ifdef FEAT_USR_CMDS
2834 /* Look for a user defined command as a last resort */
2835 if (eap->cmdidx == CMD_SIZE && *eap->cmd >= 'A' && *eap->cmd <= 'Z')
2836 {
2837 /* User defined commands may contain digits. */
2838 while (ASCII_ISALNUM(*p))
2839 ++p;
2840 p = find_ucmd(eap, p, full, NULL, NULL);
2841 }
2842 #endif
2843 if (p == eap->cmd)
2844 eap->cmdidx = CMD_SIZE;
2845 }
2846
2847 return p;
2848 }
2849
2850 #ifdef FEAT_USR_CMDS
2851 /*
2852 * Search for a user command that matches "eap->cmd".
2853 * Return cmdidx in "eap->cmdidx", flags in "eap->argt", idx in "eap->useridx".
2854 * Return a pointer to just after the command.
2855 * Return NULL if there is no matching command.
2856 */
2857 static char_u *
2858 find_ucmd(eap, p, full, xp, compl)
2859 exarg_T *eap;
2860 char_u *p; /* end of the command (possibly including count) */
2861 int *full; /* set to TRUE for a full match */
2862 expand_T *xp; /* used for completion, NULL otherwise */
2863 int *compl; /* completion flags or NULL */
2864 {
2865 int len = (int)(p - eap->cmd);
2866 int j, k, matchlen = 0;
2867 ucmd_T *uc;
2868 int found = FALSE;
2869 int possible = FALSE;
2870 char_u *cp, *np; /* Point into typed cmd and test name */
2871 garray_T *gap;
2872 int amb_local = FALSE; /* Found ambiguous buffer-local command,
2873 only full match global is accepted. */
2874
2875 /*
2876 * Look for buffer-local user commands first, then global ones.
2877 */
2878 gap = &curbuf->b_ucmds;
2879 for (;;)
2880 {
2881 for (j = 0; j < gap->ga_len; ++j)
2882 {
2883 uc = USER_CMD_GA(gap, j);
2884 cp = eap->cmd;
2885 np = uc->uc_name;
2886 k = 0;
2887 while (k < len && *np != NUL && *cp++ == *np++)
2888 k++;
2889 if (k == len || (*np == NUL && vim_isdigit(eap->cmd[k])))
2890 {
2891 /* If finding a second match, the command is ambiguous. But
2892 * not if a buffer-local command wasn't a full match and a
2893 * global command is a full match. */
2894 if (k == len && found && *np != NUL)
2895 {
2896 if (gap == &ucmds)
2897 return NULL;
2898 amb_local = TRUE;
2899 }
2900
2901 if (!found || (k == len && *np == NUL))
2902 {
2903 /* If we matched up to a digit, then there could
2904 * be another command including the digit that we
2905 * should use instead.
2906 */
2907 if (k == len)
2908 found = TRUE;
2909 else
2910 possible = TRUE;
2911
2912 if (gap == &ucmds)
2913 eap->cmdidx = CMD_USER;
2914 else
2915 eap->cmdidx = CMD_USER_BUF;
2916 eap->argt = (long)uc->uc_argt;
2917 eap->useridx = j;
2918
2919 # ifdef FEAT_CMDL_COMPL
2920 if (compl != NULL)
2921 *compl = uc->uc_compl;
2922 # ifdef FEAT_EVAL
2923 if (xp != NULL)
2924 {
2925 xp->xp_arg = uc->uc_compl_arg;
2926 xp->xp_scriptID = uc->uc_scriptID;
2927 }
2928 # endif
2929 # endif
2930 /* Do not search for further abbreviations
2931 * if this is an exact match. */
2932 matchlen = k;
2933 if (k == len && *np == NUL)
2934 {
2935 if (full != NULL)
2936 *full = TRUE;
2937 amb_local = FALSE;
2938 break;
2939 }
2940 }
2941 }
2942 }
2943
2944 /* Stop if we found a full match or searched all. */
2945 if (j < gap->ga_len || gap == &ucmds)
2946 break;
2947 gap = &ucmds;
2948 }
2949
2950 /* Only found ambiguous matches. */
2951 if (amb_local)
2952 {
2953 if (xp != NULL)
2954 xp->xp_context = EXPAND_UNSUCCESSFUL;
2955 return NULL;
2956 }
2957
2958 /* The match we found may be followed immediately by a number. Move "p"
2959 * back to point to it. */
2960 if (found || possible)
2961 return p + (matchlen - len);
2962 return p;
2963 }
2964 #endif
2965
2966 #if defined(FEAT_EVAL) || defined(PROTO)
2967 static struct cmdmod
2968 {
2969 char *name;
2970 int minlen;
2971 int has_count; /* :123verbose :3tab */
2972 } cmdmods[] = {
2973 {"aboveleft", 3, FALSE},
2974 {"belowright", 3, FALSE},
2975 {"botright", 2, FALSE},
2976 {"browse", 3, FALSE},
2977 {"confirm", 4, FALSE},
2978 {"hide", 3, FALSE},
2979 {"keepalt", 5, FALSE},
2980 {"keepjumps", 5, FALSE},
2981 {"keepmarks", 3, FALSE},
2982 {"leftabove", 5, FALSE},
2983 {"lockmarks", 3, FALSE},
2984 {"noautocmd", 3, FALSE},
2985 {"rightbelow", 6, FALSE},
2986 {"sandbox", 3, FALSE},
2987 {"silent", 3, FALSE},
2988 {"tab", 3, TRUE},
2989 {"topleft", 2, FALSE},
2990 {"verbose", 4, TRUE},
2991 {"vertical", 4, FALSE},
2992 };
2993
2994 /*
2995 * Return length of a command modifier (including optional count).
2996 * Return zero when it's not a modifier.
2997 */
2998 int
2999 modifier_len(cmd)
3000 char_u *cmd;
3001 {
3002 int i, j;
3003 char_u *p = cmd;
3004
3005 if (VIM_ISDIGIT(*cmd))
3006 p = skipwhite(skipdigits(cmd));
3007 for (i = 0; i < (int)(sizeof(cmdmods) / sizeof(struct cmdmod)); ++i)
3008 {
3009 for (j = 0; p[j] != NUL; ++j)
3010 if (p[j] != cmdmods[i].name[j])
3011 break;
3012 if (!isalpha(p[j]) && j >= cmdmods[i].minlen
3013 && (p == cmd || cmdmods[i].has_count))
3014 return j + (int)(p - cmd);
3015 }
3016 return 0;
3017 }
3018
3019 /*
3020 * Return > 0 if an Ex command "name" exists.
3021 * Return 2 if there is an exact match.
3022 * Return 3 if there is an ambiguous match.
3023 */
3024 int
3025 cmd_exists(name)
3026 char_u *name;
3027 {
3028 exarg_T ea;
3029 int full = FALSE;
3030 int i;
3031 int j;
3032 char_u *p;
3033
3034 /* Check command modifiers. */
3035 for (i = 0; i < (int)(sizeof(cmdmods) / sizeof(struct cmdmod)); ++i)
3036 {
3037 for (j = 0; name[j] != NUL; ++j)
3038 if (name[j] != cmdmods[i].name[j])
3039 break;
3040 if (name[j] == NUL && j >= cmdmods[i].minlen)
3041 return (cmdmods[i].name[j] == NUL ? 2 : 1);
3042 }
3043
3044 /* Check built-in commands and user defined commands.
3045 * For ":2match" and ":3match" we need to skip the number. */
3046 ea.cmd = (*name == '2' || *name == '3') ? name + 1 : name;
3047 ea.cmdidx = (cmdidx_T)0;
3048 p = find_command(&ea, &full);
3049 if (p == NULL)
3050 return 3;
3051 if (vim_isdigit(*name) && ea.cmdidx != CMD_match)
3052 return 0;
3053 if (*skipwhite(p) != NUL)
3054 return 0; /* trailing garbage */
3055 return (ea.cmdidx == CMD_SIZE ? 0 : (full ? 2 : 1));
3056 }
3057 #endif
3058
3059 /*
3060 * This is all pretty much copied from do_one_cmd(), with all the extra stuff
3061 * we don't need/want deleted. Maybe this could be done better if we didn't
3062 * repeat all this stuff. The only problem is that they may not stay
3063 * perfectly compatible with each other, but then the command line syntax
3064 * probably won't change that much -- webb.
3065 */
3066 char_u *
3067 set_one_cmd_context(xp, buff)
3068 expand_T *xp;
3069 char_u *buff; /* buffer for command string */
3070 {
3071 char_u *p;
3072 char_u *cmd, *arg;
3073 int len = 0;
3074 exarg_T ea;
3075 #if defined(FEAT_USR_CMDS) && defined(FEAT_CMDL_COMPL)
3076 int compl = EXPAND_NOTHING;
3077 #endif
3078 #ifdef FEAT_CMDL_COMPL
3079 int delim;
3080 #endif
3081 int forceit = FALSE;
3082 int usefilter = FALSE; /* filter instead of file name */
3083
3084 ExpandInit(xp);
3085 xp->xp_pattern = buff;
3086 xp->xp_context = EXPAND_COMMANDS; /* Default until we get past command */
3087 ea.argt = 0;
3088
3089 /*
3090 * 2. skip comment lines and leading space, colons or bars
3091 */
3092 for (cmd = buff; vim_strchr((char_u *)" \t:|", *cmd) != NULL; cmd++)
3093 ;
3094 xp->xp_pattern = cmd;
3095
3096 if (*cmd == NUL)
3097 return NULL;
3098 if (*cmd == '"') /* ignore comment lines */
3099 {
3100 xp->xp_context = EXPAND_NOTHING;
3101 return NULL;
3102 }
3103
3104 /*
3105 * 3. parse a range specifier of the form: addr [,addr] [;addr] ..
3106 */
3107 cmd = skip_range(cmd, &xp->xp_context);
3108
3109 /*
3110 * 4. parse command
3111 */
3112 xp->xp_pattern = cmd;
3113 if (*cmd == NUL)
3114 return NULL;
3115 if (*cmd == '"')
3116 {
3117 xp->xp_context = EXPAND_NOTHING;
3118 return NULL;
3119 }
3120
3121 if (*cmd == '|' || *cmd == '\n')
3122 return cmd + 1; /* There's another command */
3123
3124 /*
3125 * Isolate the command and search for it in the command table.
3126 * Exceptions:
3127 * - the 'k' command can directly be followed by any character, but
3128 * do accept "keepmarks", "keepalt" and "keepjumps".
3129 * - the 's' command can be followed directly by 'c', 'g', 'i', 'I' or 'r'
3130 */
3131 if (*cmd == 'k' && cmd[1] != 'e')
3132 {
3133 ea.cmdidx = CMD_k;
3134 p = cmd + 1;
3135 }
3136 else
3137 {
3138 p = cmd;
3139 while (ASCII_ISALPHA(*p) || *p == '*') /* Allow * wild card */
3140 ++p;
3141 /* check for non-alpha command */
3142 if (p == cmd && vim_strchr((char_u *)"@*!=><&~#", *p) != NULL)
3143 ++p;
3144 len = (int)(p - cmd);
3145
3146 if (len == 0)
3147 {
3148 xp->xp_context = EXPAND_UNSUCCESSFUL;
3149 return NULL;
3150 }
3151 for (ea.cmdidx = (cmdidx_T)0; (int)ea.cmdidx < (int)CMD_SIZE;
3152 ea.cmdidx = (cmdidx_T)((int)ea.cmdidx + 1))
3153 if (STRNCMP(cmdnames[(int)ea.cmdidx].cmd_name, cmd, (size_t)len) == 0)
3154 break;
3155
3156 #ifdef FEAT_USR_CMDS
3157 if (cmd[0] >= 'A' && cmd[0] <= 'Z')
3158 {
3159 while (ASCII_ISALNUM(*p) || *p == '*') /* Allow * wild card */
3160 ++p;
3161 len = (int)(p - cmd);
3162 }
3163 #endif
3164 }
3165
3166 /*
3167 * If the cursor is touching the command, and it ends in an alpha-numeric
3168 * character, complete the command name.
3169 */
3170 if (*p == NUL && ASCII_ISALNUM(p[-1]))
3171 return NULL;
3172
3173 if (ea.cmdidx == CMD_SIZE)
3174 {
3175 if (*cmd == 's' && vim_strchr((char_u *)"cgriI", cmd[1]) != NULL)
3176 {
3177 ea.cmdidx = CMD_substitute;
3178 p = cmd + 1;
3179 }
3180 #ifdef FEAT_USR_CMDS
3181 else if (cmd[0] >= 'A' && cmd[0] <= 'Z')
3182 {
3183 ea.cmd = cmd;
3184 p = find_ucmd(&ea, p, NULL, xp,
3185 # if defined(FEAT_CMDL_COMPL)
3186 &compl
3187 # else
3188 NULL
3189 # endif
3190 );
3191 if (p == NULL)
3192 ea.cmdidx = CMD_SIZE; /* ambiguous user command */
3193 }
3194 #endif
3195 }
3196 if (ea.cmdidx == CMD_SIZE)
3197 {
3198 /* Not still touching the command and it was an illegal one */
3199 xp->xp_context = EXPAND_UNSUCCESSFUL;
3200 return NULL;
3201 }
3202
3203 xp->xp_context = EXPAND_NOTHING; /* Default now that we're past command */
3204
3205 if (*p == '!') /* forced commands */
3206 {
3207 forceit = TRUE;
3208 ++p;
3209 }
3210
3211 /*
3212 * 5. parse arguments
3213 */
3214 #ifdef FEAT_USR_CMDS
3215 if (!USER_CMDIDX(ea.cmdidx))
3216 #endif
3217 ea.argt = (long)cmdnames[(int)ea.cmdidx].cmd_argt;
3218
3219 arg = skipwhite(p);
3220
3221 if (ea.cmdidx == CMD_write || ea.cmdidx == CMD_update)
3222 {
3223 if (*arg == '>') /* append */
3224 {
3225 if (*++arg == '>')
3226 ++arg;
3227 arg = skipwhite(arg);
3228 }
3229 else if (*arg == '!' && ea.cmdidx == CMD_write) /* :w !filter */
3230 {
3231 ++arg;
3232 usefilter = TRUE;
3233 }
3234 }
3235
3236 if (ea.cmdidx == CMD_read)
3237 {
3238 usefilter = forceit; /* :r! filter if forced */
3239 if (*arg == '!') /* :r !filter */
3240 {
3241 ++arg;
3242 usefilter = TRUE;
3243 }
3244 }
3245
3246 if (ea.cmdidx == CMD_lshift || ea.cmdidx == CMD_rshift)
3247 {
3248 while (*arg == *cmd) /* allow any number of '>' or '<' */
3249 ++arg;
3250 arg = skipwhite(arg);
3251 }
3252
3253 /* Does command allow "+command"? */
3254 if ((ea.argt & EDITCMD) && !usefilter && *arg == '+')
3255 {
3256 /* Check if we're in the +command */
3257 p = arg + 1;
3258 arg = skip_cmd_arg(arg, FALSE);
3259
3260 /* Still touching the command after '+'? */
3261 if (*arg == NUL)
3262 return p;
3263
3264 /* Skip space(s) after +command to get to the real argument */
3265 arg = skipwhite(arg);
3266 }
3267
3268 /*
3269 * Check for '|' to separate commands and '"' to start comments.
3270 * Don't do this for ":read !cmd" and ":write !cmd".
3271 */
3272 if ((ea.argt & TRLBAR) && !usefilter)
3273 {
3274 p = arg;
3275 /* ":redir @" is not the start of a comment */
3276 if (ea.cmdidx == CMD_redir && p[0] == '@' && p[1] == '"')
3277 p += 2;
3278 while (*p)
3279 {
3280 if (*p == Ctrl_V)
3281 {
3282 if (p[1] != NUL)
3283 ++p;
3284 }
3285 else if ( (*p == '"' && !(ea.argt & NOTRLCOM))
3286 || *p == '|' || *p == '\n')
3287 {
3288 if (*(p - 1) != '\\')
3289 {
3290 if (*p == '|' || *p == '\n')
3291 return p + 1;
3292 return NULL; /* It's a comment */
3293 }
3294 }
3295 mb_ptr_adv(p);
3296 }
3297 }
3298
3299 /* no arguments allowed */
3300 if (!(ea.argt & EXTRA) && *arg != NUL &&
3301 vim_strchr((char_u *)"|\"", *arg) == NULL)
3302 return NULL;
3303
3304 /* Find start of last argument (argument just before cursor): */
3305 p = buff + STRLEN(buff);
3306 while (p != arg && *p != ' ' && *p != TAB)
3307 p--;
3308 if (*p == ' ' || *p == TAB)
3309 p++;
3310 xp->xp_pattern = p;
3311
3312 if (ea.argt & XFILE)
3313 {
3314 int c;
3315 int in_quote = FALSE;
3316 char_u *bow = NULL; /* Beginning of word */
3317
3318 /*
3319 * Allow spaces within back-quotes to count as part of the argument
3320 * being expanded.
3321 */
3322 xp->xp_pattern = skipwhite(arg);
3323 p = xp->xp_pattern;
3324 while (*p != NUL)
3325 {
3326 #ifdef FEAT_MBYTE
3327 if (has_mbyte)
3328 c = mb_ptr2char(p);
3329 else
3330 #endif
3331 c = *p;
3332 if (c == '\\' && p[1] != NUL)
3333 ++p;
3334 else if (c == '`')
3335 {
3336 if (!in_quote)
3337 {
3338 xp->xp_pattern = p;
3339 bow = p + 1;
3340 }
3341 in_quote = !in_quote;
3342 }
3343 /* An argument can contain just about everything, except
3344 * characters that end the command and white space. */
3345 else if (c == '|' || c == '\n' || c == '"' || (vim_iswhite(c)
3346 #ifdef SPACE_IN_FILENAME
3347 && (!(ea.argt & NOSPC) || usefilter)
3348 #endif
3349 ))
3350 {
3351 len = 0; /* avoid getting stuck when space is in 'isfname' */
3352 while (*p != NUL)
3353 {
3354 #ifdef FEAT_MBYTE
3355 if (has_mbyte)
3356 c = mb_ptr2char(p);
3357 else
3358 #endif
3359 c = *p;
3360 if (c == '`' || vim_isfilec_or_wc(c))
3361 break;
3362 #ifdef FEAT_MBYTE
3363 if (has_mbyte)
3364 len = (*mb_ptr2len)(p);
3365 else
3366 #endif
3367 len = 1;
3368 mb_ptr_adv(p);
3369 }
3370 if (in_quote)
3371 bow = p;
3372 else
3373 xp->xp_pattern = p;
3374 p -= len;
3375 }
3376 mb_ptr_adv(p);
3377 }
3378
3379 /*
3380 * If we are still inside the quotes, and we passed a space, just
3381 * expand from there.
3382 */
3383 if (bow != NULL && in_quote)
3384 xp->xp_pattern = bow;
3385 xp->xp_context = EXPAND_FILES;
3386
3387 #ifndef BACKSLASH_IN_FILENAME
3388 /* For a shell command more chars need to be escaped. */
3389 if (usefilter || ea.cmdidx == CMD_bang)
3390 {
3391 xp->xp_shell = TRUE;
3392
3393 /* When still after the command name expand executables. */
3394 if (xp->xp_pattern == skipwhite(arg))
3395 xp->xp_context = EXPAND_SHELLCMD;
3396 }
3397 #endif
3398
3399 /* Check for environment variable */
3400 if (*xp->xp_pattern == '$'
3401 #if defined(MSDOS) || defined(MSWIN) || defined(OS2)
3402 || *xp->xp_pattern == '%'
3403 #endif
3404 )
3405 {
3406 for (p = xp->xp_pattern + 1; *p != NUL; ++p)
3407 if (!vim_isIDc(*p))
3408 break;
3409 if (*p == NUL)
3410 {
3411 xp->xp_context = EXPAND_ENV_VARS;
3412 ++xp->xp_pattern;
3413 #if defined(FEAT_USR_CMDS) && defined(FEAT_CMDL_COMPL)
3414 /* Avoid that the assignment uses EXPAND_FILES again. */
3415 if (compl != EXPAND_USER_DEFINED && compl != EXPAND_USER_LIST)
3416 compl = EXPAND_ENV_VARS;
3417 #endif
3418 }
3419 }
3420 }
3421
3422 /*
3423 * 6. switch on command name
3424 */
3425 switch (ea.cmdidx)
3426 {
3427 case CMD_cd:
3428 case CMD_chdir:
3429 case CMD_lcd:
3430 case CMD_lchdir:
3431 if (xp->xp_context == EXPAND_FILES)
3432 xp->xp_context = EXPAND_DIRECTORIES;
3433 break;
3434 case CMD_help:
3435 xp->xp_context = EXPAND_HELP;
3436 xp->xp_pattern = arg;
3437 break;
3438
3439 /* Command modifiers: return the argument.
3440 * Also for commands with an argument that is a command. */
3441 case CMD_aboveleft:
3442 case CMD_argdo:
3443 case CMD_belowright:
3444 case CMD_botright:
3445 case CMD_browse:
3446 case CMD_bufdo:
3447 case CMD_confirm:
3448 case CMD_debug:
3449 case CMD_folddoclosed:
3450 case CMD_folddoopen:
3451 case CMD_hide:
3452 case CMD_keepalt:
3453 case CMD_keepjumps:
3454 case CMD_keepmarks:
3455 case CMD_leftabove:
3456 case CMD_lockmarks:
3457 case CMD_rightbelow:
3458 case CMD_sandbox:
3459 case CMD_silent:
3460 case CMD_tab:
3461 case CMD_topleft:
3462 case CMD_verbose:
3463 case CMD_vertical:
3464 case CMD_windo:
3465 return arg;
3466
3467 #ifdef FEAT_CMDL_COMPL
3468 # ifdef FEAT_SEARCH_EXTRA
3469 case CMD_match:
3470 if (*arg == NUL || !ends_excmd(*arg))
3471 {
3472 /* also complete "None" */
3473 set_context_in_echohl_cmd(xp, arg);
3474 arg = skipwhite(skiptowhite(arg));
3475 if (*arg != NUL)
3476 {
3477 xp->xp_context = EXPAND_NOTHING;
3478 arg = skip_regexp(arg + 1, *arg, p_magic, NULL);
3479 }
3480 }
3481 return find_nextcmd(arg);
3482 # endif
3483
3484 /*
3485 * All completion for the +cmdline_compl feature goes here.
3486 */
3487
3488 # ifdef FEAT_USR_CMDS
3489 case CMD_command:
3490 /* Check for attributes */
3491 while (*arg == '-')
3492 {
3493 arg++; /* Skip "-" */
3494 p = skiptowhite(arg);
3495 if (*p == NUL)
3496 {
3497 /* Cursor is still in the attribute */
3498 p = vim_strchr(arg, '=');
3499 if (p == NULL)
3500 {
3501 /* No "=", so complete attribute names */
3502 xp->xp_context = EXPAND_USER_CMD_FLAGS;
3503 xp->xp_pattern = arg;
3504 return NULL;
3505 }
3506
3507 /* For the -complete and -nargs attributes, we complete
3508 * their arguments as well.
3509 */
3510 if (STRNICMP(arg, "complete", p - arg) == 0)
3511 {
3512 xp->xp_context = EXPAND_USER_COMPLETE;
3513 xp->xp_pattern = p + 1;
3514 return NULL;
3515 }
3516 else if (STRNICMP(arg, "nargs", p - arg) == 0)
3517 {
3518 xp->xp_context = EXPAND_USER_NARGS;
3519 xp->xp_pattern = p + 1;
3520 return NULL;
3521 }
3522 return NULL;
3523 }
3524 arg = skipwhite(p);
3525 }
3526
3527 /* After the attributes comes the new command name */
3528 p = skiptowhite(arg);
3529 if (*p == NUL)
3530 {
3531 xp->xp_context = EXPAND_USER_COMMANDS;
3532 xp->xp_pattern = arg;
3533 break;
3534 }
3535
3536 /* And finally comes a normal command */
3537 return skipwhite(p);
3538
3539 case CMD_delcommand:
3540 xp->xp_context = EXPAND_USER_COMMANDS;
3541 xp->xp_pattern = arg;
3542 break;
3543 # endif
3544
3545 case CMD_global:
3546 case CMD_vglobal:
3547 delim = *arg; /* get the delimiter */
3548 if (delim)
3549 ++arg; /* skip delimiter if there is one */
3550
3551 while (arg[0] != NUL && arg[0] != delim)
3552 {
3553 if (arg[0] == '\\' && arg[1] != NUL)
3554 ++arg;
3555 ++arg;
3556 }
3557 if (arg[0] != NUL)
3558 return arg + 1;
3559 break;
3560 case CMD_and:
3561 case CMD_substitute:
3562 delim = *arg;
3563 if (delim)
3564 {
3565 /* skip "from" part */
3566 ++arg;
3567 arg = skip_regexp(arg, delim, p_magic, NULL);
3568 }
3569 /* skip "to" part */
3570 while (arg[0] != NUL && arg[0] != delim)
3571 {
3572 if (arg[0] == '\\' && arg[1] != NUL)
3573 ++arg;
3574 ++arg;
3575 }
3576 if (arg[0] != NUL) /* skip delimiter */
3577 ++arg;
3578 while (arg[0] && vim_strchr((char_u *)"|\"#", arg[0]) == NULL)
3579 ++arg;
3580 if (arg[0] != NUL)
3581 return arg;
3582 break;
3583 case CMD_isearch:
3584 case CMD_dsearch:
3585 case CMD_ilist:
3586 case CMD_dlist:
3587 case CMD_ijump:
3588 case CMD_psearch:
3589 case CMD_djump:
3590 case CMD_isplit:
3591 case CMD_dsplit:
3592 arg = skipwhite(skipdigits(arg)); /* skip count */
3593 if (*arg == '/') /* Match regexp, not just whole words */
3594 {
3595 for (++arg; *arg && *arg != '/'; arg++)
3596 if (*arg == '\\' && arg[1] != NUL)
3597 arg++;
3598 if (*arg)
3599 {
3600 arg = skipwhite(arg + 1);
3601
3602 /* Check for trailing illegal characters */
3603 if (*arg && vim_strchr((char_u *)"|\"\n", *arg) == NULL)
3604 xp->xp_context = EXPAND_NOTHING;
3605 else
3606 return arg;
3607 }
3608 }
3609 break;
3610 #ifdef FEAT_AUTOCMD
3611 case CMD_autocmd:
3612 return set_context_in_autocmd(xp, arg, FALSE);
3613
3614 case CMD_doautocmd:
3615 case CMD_doautoall:
3616 return set_context_in_autocmd(xp, arg, TRUE);
3617 #endif
3618 case CMD_set:
3619 set_context_in_set_cmd(xp, arg, 0);
3620 break;
3621 case CMD_setglobal:
3622 set_context_in_set_cmd(xp, arg, OPT_GLOBAL);
3623 break;
3624 case CMD_setlocal:
3625 set_context_in_set_cmd(xp, arg, OPT_LOCAL);
3626 break;
3627 case CMD_tag:
3628 case CMD_stag:
3629 case CMD_ptag:
3630 case CMD_ltag:
3631 case CMD_tselect:
3632 case CMD_stselect:
3633 case CMD_ptselect:
3634 case CMD_tjump:
3635 case CMD_stjump:
3636 case CMD_ptjump:
3637 if (*p_wop != NUL)
3638 xp->xp_context = EXPAND_TAGS_LISTFILES;
3639 else
3640 xp->xp_context = EXPAND_TAGS;
3641 xp->xp_pattern = arg;
3642 break;
3643 case CMD_augroup:
3644 xp->xp_context = EXPAND_AUGROUP;
3645 xp->xp_pattern = arg;
3646 break;
3647 #ifdef FEAT_SYN_HL
3648 case CMD_syntax:
3649 set_context_in_syntax_cmd(xp, arg);
3650 break;
3651 #endif
3652 #ifdef FEAT_EVAL
3653 case CMD_let:
3654 case CMD_if:
3655 case CMD_elseif:
3656 case CMD_while:
3657 case CMD_for:
3658 case CMD_echo:
3659 case CMD_echon:
3660 case CMD_execute:
3661 case CMD_echomsg:
3662 case CMD_echoerr:
3663 case CMD_call:
3664 case CMD_return:
3665 set_context_for_expression(xp, arg, ea.cmdidx);
3666 break;
3667
3668 case CMD_unlet:
3669 while ((xp->xp_pattern = vim_strchr(arg, ' ')) != NULL)
3670 arg = xp->xp_pattern + 1;
3671 xp->xp_context = EXPAND_USER_VARS;
3672 xp->xp_pattern = arg;
3673 break;
3674
3675 case CMD_function:
3676 case CMD_delfunction:
3677 xp->xp_context = EXPAND_USER_FUNC;
3678 xp->xp_pattern = arg;
3679 break;
3680
3681 case CMD_echohl:
3682 set_context_in_echohl_cmd(xp, arg);
3683 break;
3684 #endif
3685 case CMD_highlight:
3686 set_context_in_highlight_cmd(xp, arg);
3687 break;
3688 #ifdef FEAT_CSCOPE
3689 case CMD_cscope:
3690 case CMD_lcscope:
3691 case CMD_scscope:
3692 set_context_in_cscope_cmd(xp, arg, ea.cmdidx);
3693 break;
3694 #endif
3695 #ifdef FEAT_SIGNS
3696 case CMD_sign:
3697 set_context_in_sign_cmd(xp, arg);
3698 break;
3699 #endif
3700 #ifdef FEAT_LISTCMDS
3701 case CMD_bdelete:
3702 case CMD_bwipeout:
3703 case CMD_bunload:
3704 while ((xp->xp_pattern = vim_strchr(arg, ' ')) != NULL)
3705 arg = xp->xp_pattern + 1;
3706 /*FALLTHROUGH*/
3707 case CMD_buffer:
3708 case CMD_sbuffer:
3709 case CMD_checktime:
3710 xp->xp_context = EXPAND_BUFFERS;
3711 xp->xp_pattern = arg;
3712 break;
3713 #endif
3714 #ifdef FEAT_USR_CMDS
3715 case CMD_USER:
3716 case CMD_USER_BUF:
3717 if (compl != EXPAND_NOTHING)
3718 {
3719 /* XFILE: file names are handled above */
3720 if (!(ea.argt & XFILE))
3721 {
3722 # ifdef FEAT_MENU
3723 if (compl == EXPAND_MENUS)
3724 return set_context_in_menu_cmd(xp, cmd, arg, forceit);
3725 # endif
3726 if (compl == EXPAND_COMMANDS)
3727 return arg;
3728 if (compl == EXPAND_MAPPINGS)
3729 return set_context_in_map_cmd(xp, (char_u *)"map",
3730 arg, forceit, FALSE, FALSE, CMD_map);
3731 while ((xp->xp_pattern = vim_strchr(arg, ' ')) != NULL)
3732 arg = xp->xp_pattern + 1;
3733 xp->xp_pattern = arg;
3734 }
3735 xp->xp_context = compl;
3736 }
3737 break;
3738 #endif
3739 case CMD_map: case CMD_noremap:
3740 case CMD_nmap: case CMD_nnoremap:
3741 case CMD_vmap: case CMD_vnoremap:
3742 case CMD_omap: case CMD_onoremap:
3743 case CMD_imap: case CMD_inoremap:
3744 case CMD_cmap: case CMD_cnoremap:
3745 return set_context_in_map_cmd(xp, cmd, arg, forceit,
3746 FALSE, FALSE, ea.cmdidx);
3747 case CMD_unmap:
3748 case CMD_nunmap:
3749 case CMD_vunmap:
3750 case CMD_ounmap:
3751 case CMD_iunmap:
3752 case CMD_cunmap:
3753 return set_context_in_map_cmd(xp, cmd, arg, forceit,
3754 FALSE, TRUE, ea.cmdidx);
3755 case CMD_abbreviate: case CMD_noreabbrev:
3756 case CMD_cabbrev: case CMD_cnoreabbrev:
3757 case CMD_iabbrev: case CMD_inoreabbrev:
3758 return set_context_in_map_cmd(xp, cmd, arg, forceit,
3759 TRUE, FALSE, ea.cmdidx);
3760 case CMD_unabbreviate:
3761 case CMD_cunabbrev:
3762 case CMD_iunabbrev:
3763 return set_context_in_map_cmd(xp, cmd, arg, forceit,
3764 TRUE, TRUE, ea.cmdidx);
3765 #ifdef FEAT_MENU
3766 case CMD_menu: case CMD_noremenu: case CMD_unmenu:
3767 case CMD_amenu: case CMD_anoremenu: case CMD_aunmenu:
3768 case CMD_nmenu: case CMD_nnoremenu: case CMD_nunmenu:
3769 case CMD_vmenu: case CMD_vnoremenu: case CMD_vunmenu:
3770 case CMD_omenu: case CMD_onoremenu: case CMD_ounmenu:
3771 case CMD_imenu: case CMD_inoremenu: case CMD_iunmenu:
3772 case CMD_cmenu: case CMD_cnoremenu: case CMD_cunmenu:
3773 case CMD_tmenu: case CMD_tunmenu:
3774 case CMD_popup: case CMD_tearoff: case CMD_emenu:
3775 return set_context_in_menu_cmd(xp, cmd, arg, forceit);
3776 #endif
3777
3778 case CMD_colorscheme:
3779 xp->xp_context = EXPAND_COLORS;
3780 xp->xp_pattern = arg;
3781 break;
3782
3783 case CMD_compiler:
3784 xp->xp_context = EXPAND_COMPILER;
3785 xp->xp_pattern = arg;
3786 break;
3787
3788 #if (defined(HAVE_LOCALE_H) || defined(X_LOCALE)) \
3789 && (defined(FEAT_GETTEXT) || defined(FEAT_MBYTE))
3790 case CMD_language:
3791 if (*skiptowhite(arg) == NUL)
3792 {
3793 xp->xp_context = EXPAND_LANGUAGE;
3794 xp->xp_pattern = arg;
3795 }
3796 else
3797 xp->xp_context = EXPAND_NOTHING;
3798 break;
3799 #endif
3800
3801 #endif /* FEAT_CMDL_COMPL */
3802
3803 default:
3804 break;
3805 }
3806 return NULL;
3807 }
3808
3809 /*
3810 * skip a range specifier of the form: addr [,addr] [;addr] ..
3811 *
3812 * Backslashed delimiters after / or ? will be skipped, and commands will
3813 * not be expanded between /'s and ?'s or after "'".
3814 *
3815 * Also skip white space and ":" characters.
3816 * Returns the "cmd" pointer advanced to beyond the range.
3817 */
3818 char_u *
3819 skip_range(cmd, ctx)
3820 char_u *cmd;
3821 int *ctx; /* pointer to xp_context or NULL */
3822 {
3823 unsigned delim;
3824
3825 while (vim_strchr((char_u *)" \t0123456789.$%'/?-+,;", *cmd) != NULL)
3826 {
3827 if (*cmd == '\'')
3828 {
3829 if (*++cmd == NUL && ctx != NULL)
3830 *ctx = EXPAND_NOTHING;
3831 }
3832 else if (*cmd == '/' || *cmd == '?')
3833 {
3834 delim = *cmd++;
3835 while (*cmd != NUL && *cmd != delim)
3836 if (*cmd++ == '\\' && *cmd != NUL)
3837 ++cmd;
3838 if (*cmd == NUL && ctx != NULL)
3839 *ctx = EXPAND_NOTHING;
3840 }
3841 if (*cmd != NUL)
3842 ++cmd;
3843 }
3844
3845 /* Skip ":" and white space. */
3846 while (*cmd == ':')
3847 cmd = skipwhite(cmd + 1);
3848
3849 return cmd;
3850 }
3851
3852 /*
3853 * get a single EX address
3854 *
3855 * Set ptr to the next character after the part that was interpreted.
3856 * Set ptr to NULL when an error is encountered.
3857 *
3858 * Return MAXLNUM when no Ex address was found.
3859 */
3860 static linenr_T
3861 get_address(ptr, skip, to_other_file)
3862 char_u **ptr;
3863 int skip; /* only skip the address, don't use it */
3864 int to_other_file; /* flag: may jump to other file */
3865 {
3866 int c;
3867 int i;
3868 long n;
3869 char_u *cmd;
3870 pos_T pos;
3871 pos_T *fp;
3872 linenr_T lnum;
3873
3874 cmd = skipwhite(*ptr);
3875 lnum = MAXLNUM;
3876 do
3877 {
3878 switch (*cmd)
3879 {
3880 case '.': /* '.' - Cursor position */
3881 ++cmd;
3882 lnum = curwin->w_cursor.lnum;
3883 break;
3884
3885 case '$': /* '$' - last line */
3886 ++cmd;
3887 lnum = curbuf->b_ml.ml_line_count;
3888 break;
3889
3890 case '\'': /* ''' - mark */
3891 if (*++cmd == NUL)
3892 {
3893 cmd = NULL;
3894 goto error;
3895 }
3896 if (skip)
3897 ++cmd;
3898 else
3899 {
3900 /* Only accept a mark in another file when it is
3901 * used by itself: ":'M". */
3902 fp = getmark(*cmd, to_other_file && cmd[1] == NUL);
3903 ++cmd;
3904 if (fp == (pos_T *)-1)
3905 /* Jumped to another file. */
3906 lnum = curwin->w_cursor.lnum;
3907 else
3908 {
3909 if (check_mark(fp) == FAIL)
3910 {
3911 cmd = NULL;
3912 goto error;
3913 }
3914 lnum = fp->lnum;
3915 }
3916 }
3917 break;
3918
3919 case '/':
3920 case '?': /* '/' or '?' - search */
3921 c = *cmd++;
3922 if (skip) /* skip "/pat/" */
3923 {
3924 cmd = skip_regexp(cmd, c, (int)p_magic, NULL);
3925 if (*cmd == c)
3926 ++cmd;
3927 }
3928 else
3929 {
3930 pos = curwin->w_cursor; /* save curwin->w_cursor */
3931 /*
3932 * When '/' or '?' follows another address, start
3933 * from there.
3934 */
3935 if (lnum != MAXLNUM)
3936 curwin->w_cursor.lnum = lnum;
3937 /*
3938 * Start a forward search at the end of the line.
3939 * Start a backward search at the start of the line.
3940 * This makes sure we never match in the current
3941 * line, and can match anywhere in the
3942 * next/previous line.
3943 */
3944 if (c == '/')
3945 curwin->w_cursor.col = MAXCOL;
3946 else
3947 curwin->w_cursor.col = 0;
3948 searchcmdlen = 0;
3949 if (!do_search(NULL, c, cmd, 1L,
3950 SEARCH_HIS | SEARCH_MSG, NULL))
3951 {
3952 curwin->w_cursor = pos;
3953 cmd = NULL;
3954 goto error;
3955 }
3956 lnum = curwin->w_cursor.lnum;
3957 curwin->w_cursor = pos;
3958 /* adjust command string pointer */
3959 cmd += searchcmdlen;
3960 }
3961 break;
3962
3963 case '\\': /* "\?", "\/" or "\&", repeat search */
3964 ++cmd;
3965 if (*cmd == '&')
3966 i = RE_SUBST;
3967 else if (*cmd == '?' || *cmd == '/')
3968 i = RE_SEARCH;
3969 else
3970 {
3971 EMSG(_(e_backslash));
3972 cmd = NULL;
3973 goto error;
3974 }
3975
3976 if (!skip)
3977 {
3978 /*
3979 * When search follows another address, start from
3980 * there.
3981 */
3982 if (lnum != MAXLNUM)
3983 pos.lnum = lnum;
3984 else
3985 pos.lnum = curwin->w_cursor.lnum;
3986
3987 /*
3988 * Start the search just like for the above
3989 * do_search().
3990 */
3991 if (*cmd != '?')
3992 pos.col = MAXCOL;
3993 else
3994 pos.col = 0;
3995 if (searchit(curwin, curbuf, &pos,
3996 *cmd == '?' ? BACKWARD : FORWARD,
3997 (char_u *)"", 1L, SEARCH_MSG,
3998 i, (linenr_T)0, NULL) != FAIL)
3999 lnum = pos.lnum;
4000 else
4001 {
4002 cmd = NULL;
4003 goto error;
4004 }
4005 }
4006 ++cmd;
4007 break;
4008
4009 default:
4010 if (VIM_ISDIGIT(*cmd)) /* absolute line number */
4011 lnum = getdigits(&cmd);
4012 }
4013
4014 for (;;)
4015 {
4016 cmd = skipwhite(cmd);
4017 if (*cmd != '-' && *cmd != '+' && !VIM_ISDIGIT(*cmd))
4018 break;
4019
4020 if (lnum == MAXLNUM)
4021 lnum = curwin->w_cursor.lnum; /* "+1" is same as ".+1" */
4022 if (VIM_ISDIGIT(*cmd))
4023 i = '+'; /* "number" is same as "+number" */
4024 else
4025 i = *cmd++;
4026 if (!VIM_ISDIGIT(*cmd)) /* '+' is '+1', but '+0' is not '+1' */
4027 n = 1;
4028 else
4029 n = getdigits(&cmd);
4030 if (i == '-')
4031 lnum -= n;
4032 else
4033 lnum += n;
4034 }
4035 } while (*cmd == '/' || *cmd == '?');
4036
4037 error:
4038 *ptr = cmd;
4039 return lnum;
4040 }
4041
4042 /*
4043 * Get flags from an Ex command argument.
4044 */
4045 static void
4046 get_flags(eap)
4047 exarg_T *eap;
4048 {
4049 while (vim_strchr((char_u *)"lp#", *eap->arg) != NULL)
4050 {
4051 if (*eap->arg == 'l')
4052 eap->flags |= EXFLAG_LIST;
4053 else if (*eap->arg == 'p')
4054 eap->flags |= EXFLAG_PRINT;
4055 else
4056 eap->flags |= EXFLAG_NR;
4057 eap->arg = skipwhite(eap->arg + 1);
4058 }
4059 }
4060
4061 /*
4062 * Function called for command which is Not Implemented. NI!
4063 */
4064 void
4065 ex_ni(eap)
4066 exarg_T *eap;
4067 {
4068 if (!eap->skip)
4069 eap->errmsg = (char_u *)N_("E319: Sorry, the command is not available in this version");
4070 }
4071
4072 #ifdef HAVE_EX_SCRIPT_NI
4073 /*
4074 * Function called for script command which is Not Implemented. NI!
4075 * Skips over ":perl <<EOF" constructs.
4076 */
4077 static void
4078 ex_script_ni(eap)
4079 exarg_T *eap;
4080 {
4081 if (!eap->skip)
4082 ex_ni(eap);
4083 else
4084 vim_free(script_get(eap, eap->arg));
4085 }
4086 #endif
4087
4088 /*
4089 * Check range in Ex command for validity.
4090 * Return NULL when valid, error message when invalid.
4091 */
4092 static char_u *
4093 invalid_range(eap)
4094 exarg_T *eap;
4095 {
4096 if ( eap->line1 < 0
4097 || eap->line2 < 0
4098 || eap->line1 > eap->line2
4099 || ((eap->argt & RANGE)
4100 && !(eap->argt & NOTADR)
4101 && eap->line2 > curbuf->b_ml.ml_line_count
4102 #ifdef FEAT_DIFF
4103 + (eap->cmdidx == CMD_diffget)
4104 #endif
4105 ))
4106 return (char_u *)_(e_invrange);
4107 return NULL;
4108 }
4109
4110 /*
4111 * Correct the range for zero line number, if required.
4112 */
4113 static void
4114 correct_range(eap)
4115 exarg_T *eap;
4116 {
4117 if (!(eap->argt & ZEROR)) /* zero in range not allowed */
4118 {
4119 if (eap->line1 == 0)
4120 eap->line1 = 1;
4121 if (eap->line2 == 0)
4122 eap->line2 = 1;
4123 }
4124 }
4125
4126 #ifdef FEAT_QUICKFIX
4127 static char_u *skip_grep_pat __ARGS((exarg_T *eap));
4128
4129 /*
4130 * For a ":vimgrep" or ":vimgrepadd" command return a pointer past the
4131 * pattern. Otherwise return eap->arg.
4132 */
4133 static char_u *
4134 skip_grep_pat(eap)
4135 exarg_T *eap;
4136 {
4137 char_u *p = eap->arg;
4138
4139 if (*p != NUL && (eap->cmdidx == CMD_vimgrep || eap->cmdidx == CMD_lvimgrep
4140 || eap->cmdidx == CMD_vimgrepadd
4141 || eap->cmdidx == CMD_lvimgrepadd
4142 || grep_internal(eap->cmdidx)))
4143 {
4144 p = skip_vimgrep_pat(p, NULL, NULL);
4145 if (p == NULL)
4146 p = eap->arg;
4147 }
4148 return p;
4149 }
4150
4151 /*
4152 * For the ":make" and ":grep" commands insert the 'makeprg'/'grepprg' option
4153 * in the command line, so that things like % get expanded.
4154 */
4155 static char_u *
4156 replace_makeprg(eap, p, cmdlinep)
4157 exarg_T *eap;
4158 char_u *p;
4159 char_u **cmdlinep;
4160 {
4161 char_u *new_cmdline;
4162 char_u *program;
4163 char_u *pos;
4164 char_u *ptr;
4165 int len;
4166 int i;
4167
4168 /*
4169 * Don't do it when ":vimgrep" is used for ":grep".
4170 */
4171 if ((eap->cmdidx == CMD_make || eap->cmdidx == CMD_lmake
4172 || eap->cmdidx == CMD_grep || eap->cmdidx == CMD_lgrep
4173 || eap->cmdidx == CMD_grepadd
4174 || eap->cmdidx == CMD_lgrepadd)
4175 && !grep_internal(eap->cmdidx))
4176 {
4177 if (eap->cmdidx == CMD_grep || eap->cmdidx == CMD_lgrep
4178 || eap->cmdidx == CMD_grepadd || eap->cmdidx == CMD_lgrepadd)
4179 {
4180 if (*curbuf->b_p_gp == NUL)
4181 program = p_gp;
4182 else
4183 program = curbuf->b_p_gp;
4184 }
4185 else
4186 {
4187 if (*curbuf->b_p_mp == NUL)
4188 program = p_mp;
4189 else
4190 program = curbuf->b_p_mp;
4191 }
4192
4193 p = skipwhite(p);
4194
4195 if ((pos = (char_u *)strstr((char *)program, "$*")) != NULL)
4196 {
4197 /* replace $* by given arguments */
4198 i = 1;
4199 while ((pos = (char_u *)strstr((char *)pos + 2, "$*")) != NULL)
4200 ++i;
4201 len = (int)STRLEN(p);
4202 new_cmdline = alloc((int)(STRLEN(program) + i * (len - 2) + 1));
4203 if (new_cmdline == NULL)
4204 return NULL; /* out of memory */
4205 ptr = new_cmdline;
4206 while ((pos = (char_u *)strstr((char *)program, "$*")) != NULL)
4207 {
4208 i = (int)(pos - program);
4209 STRNCPY(ptr, program, i);
4210 STRCPY(ptr += i, p);
4211 ptr += len;
4212 program = pos + 2;
4213 }
4214 STRCPY(ptr, program);
4215 }
4216 else
4217 {
4218 new_cmdline = alloc((int)(STRLEN(program) + STRLEN(p) + 2));
4219 if (new_cmdline == NULL)
4220 return NULL; /* out of memory */
4221 STRCPY(new_cmdline, program);
4222 STRCAT(new_cmdline, " ");
4223 STRCAT(new_cmdline, p);
4224 }
4225 msg_make(p);
4226
4227 /* 'eap->cmd' is not set here, because it is not used at CMD_make */
4228 vim_free(*cmdlinep);
4229 *cmdlinep = new_cmdline;
4230 p = new_cmdline;
4231 }
4232 return p;
4233 }
4234 #endif
4235
4236 /*
4237 * Expand file name in Ex command argument.
4238 * Return FAIL for failure, OK otherwise.
4239 */
4240 int
4241 expand_filename(eap, cmdlinep, errormsgp)
4242 exarg_T *eap;
4243 char_u **cmdlinep;
4244 char_u **errormsgp;
4245 {
4246 int has_wildcards; /* need to expand wildcards */
4247 char_u *repl;
4248 int srclen;
4249 char_u *p;
4250 int n;
4251 int escaped;
4252
4253 #ifdef FEAT_QUICKFIX
4254 /* Skip a regexp pattern for ":vimgrep[add] pat file..." */
4255 p = skip_grep_pat(eap);
4256 #else
4257 p = eap->arg;
4258 #endif
4259
4260 /*
4261 * Decide to expand wildcards *before* replacing '%', '#', etc. If
4262 * the file name contains a wildcard it should not cause expanding.
4263 * (it will be expanded anyway if there is a wildcard before replacing).
4264 */
4265 has_wildcards = mch_has_wildcard(p);
4266 while (*p != NUL)
4267 {
4268 #ifdef FEAT_EVAL
4269 /* Skip over `=expr`, wildcards in it are not expanded. */
4270 if (p[0] == '`' && p[1] == '=')
4271 {
4272 p += 2;
4273 (void)skip_expr(&p);
4274 if (*p == '`')
4275 ++p;
4276 continue;
4277 }
4278 #endif
4279 /*
4280 * Quick check if this cannot be the start of a special string.
4281 * Also removes backslash before '%', '#' and '<'.
4282 */
4283 if (vim_strchr((char_u *)"%#<", *p) == NULL)
4284 {
4285 ++p;
4286 continue;
4287 }
4288
4289 /*
4290 * Try to find a match at this position.
4291 */
4292 repl = eval_vars(p, eap->arg, &srclen, &(eap->do_ecmd_lnum),
4293 errormsgp, &escaped);
4294 if (*errormsgp != NULL) /* error detected */
4295 return FAIL;
4296 if (repl == NULL) /* no match found */
4297 {
4298 p += srclen;
4299 continue;
4300 }
4301
4302 /* Wildcards won't be expanded below, the replacement is taken
4303 * literally. But do expand "~/file", "~user/file" and "$HOME/file". */
4304 if (vim_strchr(repl, '$') != NULL || vim_strchr(repl, '~') != NULL)
4305 {
4306 char_u *l = repl;
4307
4308 repl = expand_env_save(repl);
4309 vim_free(l);
4310 }
4311
4312 /* Need to escape white space et al. with a backslash.
4313 * Don't do this for:
4314 * - replacement that already has been escaped: "##"
4315 * - shell commands (may have to use quotes instead).
4316 * - non-unix systems when there is a single argument (spaces don't
4317 * separate arguments then).
4318 */
4319 if (!eap->usefilter
4320 && !escaped
4321 && eap->cmdidx != CMD_bang
4322 && eap->cmdidx != CMD_make
4323 && eap->cmdidx != CMD_lmake
4324 && eap->cmdidx != CMD_grep
4325 && eap->cmdidx != CMD_lgrep
4326 && eap->cmdidx != CMD_grepadd
4327 && eap->cmdidx != CMD_lgrepadd
4328 #ifndef UNIX
4329 && !(eap->argt & NOSPC)
4330 #endif
4331 )
4332 {
4333 char_u *l;
4334 #ifdef BACKSLASH_IN_FILENAME
4335 /* Don't escape a backslash here, because rem_backslash() doesn't
4336 * remove it later. */
4337 static char_u *nobslash = (char_u *)" \t\"|";
4338 # define ESCAPE_CHARS nobslash
4339 #else
4340 # define ESCAPE_CHARS escape_chars
4341 #endif
4342
4343 for (l = repl; *l; ++l)
4344 if (vim_strchr(ESCAPE_CHARS, *l) != NULL)
4345 {
4346 l = vim_strsave_escaped(repl, ESCAPE_CHARS);
4347 if (l != NULL)
4348 {
4349 vim_free(repl);
4350 repl = l;
4351 }
4352 break;
4353 }
4354 }
4355
4356 /* For a shell command a '!' must be escaped. */
4357 if ((eap->usefilter || eap->cmdidx == CMD_bang)
4358 && vim_strpbrk(repl, (char_u *)"!&;()<>") != NULL)
4359 {
4360 char_u *l;
4361
4362 l = vim_strsave_escaped(repl, (char_u *)"!&;()<>");
4363 if (l != NULL)
4364 {
4365 vim_free(repl);
4366 repl = l;
4367 /* For a sh-like shell escape "!" another time. */
4368 if (strstr((char *)p_sh, "sh") != NULL)
4369 {
4370 l = vim_strsave_escaped(repl, (char_u *)"!");
4371 if (l != NULL)
4372 {
4373 vim_free(repl);
4374 repl = l;
4375 }
4376 }
4377 }
4378 }
4379
4380 p = repl_cmdline(eap, p, srclen, repl, cmdlinep);
4381 vim_free(repl);
4382 if (p == NULL)
4383 return FAIL;
4384 }
4385
4386 /*
4387 * One file argument: Expand wildcards.
4388 * Don't do this with ":r !command" or ":w !command".
4389 */
4390 if ((eap->argt & NOSPC) && !eap->usefilter)
4391 {
4392 /*
4393 * May do this twice:
4394 * 1. Replace environment variables.
4395 * 2. Replace any other wildcards, remove backslashes.
4396 */
4397 for (n = 1; n <= 2; ++n)
4398 {
4399 if (n == 2)
4400 {
4401 #ifdef UNIX
4402 /*
4403 * Only for Unix we check for more than one file name.
4404 * For other systems spaces are considered to be part
4405 * of the file name.
4406 * Only check here if there is no wildcard, otherwise
4407 * ExpandOne() will check for errors. This allows
4408 * ":e `ls ve*.c`" on Unix.
4409 */
4410 if (!has_wildcards)
4411 for (p = eap->arg; *p; ++p)
4412 {
4413 /* skip escaped characters */
4414 if (p[1] && (*p == '\\' || *p == Ctrl_V))
4415 ++p;
4416 else if (vim_iswhite(*p))
4417 {
4418 *errormsgp = (char_u *)_("E172: Only one file name allowed");
4419 return FAIL;
4420 }
4421 }
4422 #endif
4423
4424 /*
4425 * Halve the number of backslashes (this is Vi compatible).
4426 * For Unix and OS/2, when wildcards are expanded, this is
4427 * done by ExpandOne() below.
4428 */
4429 #if defined(UNIX) || defined(OS2)
4430 if (!has_wildcards)
4431 #endif
4432 backslash_halve(eap->arg);
4433 }
4434
4435 if (has_wildcards)
4436 {
4437 if (n == 1)
4438 {
4439 /*
4440 * First loop: May expand environment variables. This
4441 * can be done much faster with expand_env() than with
4442 * something else (e.g., calling a shell).
4443 * After expanding environment variables, check again
4444 * if there are still wildcards present.
4445 */
4446 if (vim_strchr(eap->arg, '$') != NULL
4447 || vim_strchr(eap->arg, '~') != NULL)
4448 {
4449 expand_env_esc(eap->arg, NameBuff, MAXPATHL,
4450 TRUE, TRUE, NULL);
4451 has_wildcards = mch_has_wildcard(NameBuff);
4452 p = NameBuff;
4453 }
4454 else
4455 p = NULL;
4456 }
4457 else /* n == 2 */
4458 {
4459 expand_T xpc;
4460
4461 ExpandInit(&xpc);
4462 xpc.xp_context = EXPAND_FILES;
4463 p = ExpandOne(&xpc, eap->arg, NULL,
4464 WILD_LIST_NOTFOUND|WILD_ADD_SLASH,
4465 WILD_EXPAND_FREE);
4466 if (p == NULL)
4467 return FAIL;
4468 }
4469 if (p != NULL)
4470 {
4471 (void)repl_cmdline(eap, eap->arg, (int)STRLEN(eap->arg),
4472 p, cmdlinep);
4473 if (n == 2) /* p came from ExpandOne() */
4474 vim_free(p);
4475 }
4476 }
4477 }
4478 }
4479 return OK;
4480 }
4481
4482 /*
4483 * Replace part of the command line, keeping eap->cmd, eap->arg and
4484 * eap->nextcmd correct.
4485 * "src" points to the part that is to be replaced, of length "srclen".
4486 * "repl" is the replacement string.
4487 * Returns a pointer to the character after the replaced string.
4488 * Returns NULL for failure.
4489 */
4490 static char_u *
4491 repl_cmdline(eap, src, srclen, repl, cmdlinep)
4492 exarg_T *eap;
4493 char_u *src;
4494 int srclen;
4495 char_u *repl;
4496 char_u **cmdlinep;
4497 {
4498 int len;
4499 int i;
4500 char_u *new_cmdline;
4501
4502 /*
4503 * The new command line is build in new_cmdline[].
4504 * First allocate it.
4505 * Careful: a "+cmd" argument may have been NUL terminated.
4506 */
4507 len = (int)STRLEN(repl);
4508 i = (int)(src - *cmdlinep) + (int)STRLEN(src + srclen) + len + 3;
4509 if (eap->nextcmd != NULL)
4510 i += (int)STRLEN(eap->nextcmd);/* add space for next command */
4511 if ((new_cmdline = alloc((unsigned)i)) == NULL)
4512 return NULL; /* out of memory! */
4513
4514 /*
4515 * Copy the stuff before the expanded part.
4516 * Copy the expanded stuff.
4517 * Copy what came after the expanded part.
4518 * Copy the next commands, if there are any.
4519 */
4520 i = (int)(src - *cmdlinep); /* length of part before match */
4521 mch_memmove(new_cmdline, *cmdlinep, (size_t)i);
4522
4523 mch_memmove(new_cmdline + i, repl, (size_t)len);
4524 i += len; /* remember the end of the string */
4525 STRCPY(new_cmdline + i, src + srclen);
4526 src = new_cmdline + i; /* remember where to continue */
4527
4528 if (eap->nextcmd != NULL) /* append next command */
4529 {
4530 i = (int)STRLEN(new_cmdline) + 1;
4531 STRCPY(new_cmdline + i, eap->nextcmd);
4532 eap->nextcmd = new_cmdline + i;
4533 }
4534 eap->cmd = new_cmdline + (eap->cmd - *cmdlinep);
4535 eap->arg = new_cmdline + (eap->arg - *cmdlinep);
4536 if (eap->do_ecmd_cmd != NULL && eap->do_ecmd_cmd != dollar_command)
4537 eap->do_ecmd_cmd = new_cmdline + (eap->do_ecmd_cmd - *cmdlinep);
4538 vim_free(*cmdlinep);
4539 *cmdlinep = new_cmdline;
4540
4541 return src;
4542 }
4543
4544 /*
4545 * Check for '|' to separate commands and '"' to start comments.
4546 */
4547 void
4548 separate_nextcmd(eap)
4549 exarg_T *eap;
4550 {
4551 char_u *p;
4552
4553 #ifdef FEAT_QUICKFIX
4554 p = skip_grep_pat(eap);
4555 #else
4556 p = eap->arg;
4557 #endif
4558
4559 for ( ; *p; mb_ptr_adv(p))
4560 {
4561 if (*p == Ctrl_V)
4562 {
4563 if (eap->argt & (USECTRLV | XFILE))
4564 ++p; /* skip CTRL-V and next char */
4565 else
4566 /* remove CTRL-V and skip next char */
4567 STRMOVE(p, p + 1);
4568 if (*p == NUL) /* stop at NUL after CTRL-V */
4569 break;
4570 }
4571
4572 #ifdef FEAT_EVAL
4573 /* Skip over `=expr` when wildcards are expanded. */
4574 else if (p[0] == '`' && p[1] == '=' && (eap->argt & XFILE))
4575 {
4576 p += 2;
4577 (void)skip_expr(&p);
4578 }
4579 #endif
4580
4581 /* Check for '"': start of comment or '|': next command */
4582 /* :@" and :*" do not start a comment!
4583 * :redir @" doesn't either. */
4584 else if ((*p == '"' && !(eap->argt & NOTRLCOM)
4585 && ((eap->cmdidx != CMD_at && eap->cmdidx != CMD_star)
4586 || p != eap->arg)
4587 && (eap->cmdidx != CMD_redir
4588 || p != eap->arg + 1 || p[-1] != '@'))
4589 || *p == '|' || *p == '\n')
4590 {
4591 /*
4592 * We remove the '\' before the '|', unless USECTRLV is used
4593 * AND 'b' is present in 'cpoptions'.
4594 */
4595 if ((vim_strchr(p_cpo, CPO_BAR) == NULL
4596 || !(eap->argt & USECTRLV)) && *(p - 1) == '\\')
4597 {
4598 STRMOVE(p - 1, p); /* remove the '\' */
4599 --p;
4600 }
4601 else
4602 {
4603 eap->nextcmd = check_nextcmd(p);
4604 *p = NUL;
4605 break;
4606 }
4607 }
4608 }
4609
4610 if (!(eap->argt & NOTRLCOM)) /* remove trailing spaces */
4611 del_trailing_spaces(eap->arg);
4612 }
4613
4614 /*
4615 * get + command from ex argument
4616 */
4617 static char_u *
4618 getargcmd(argp)
4619 char_u **argp;
4620 {
4621 char_u *arg = *argp;
4622 char_u *command = NULL;
4623
4624 if (*arg == '+') /* +[command] */
4625 {
4626 ++arg;
4627 if (vim_isspace(*arg))
4628 command = dollar_command;
4629 else
4630 {
4631 command = arg;
4632 arg = skip_cmd_arg(command, TRUE);
4633 if (*arg != NUL)
4634 *arg++ = NUL; /* terminate command with NUL */
4635 }
4636
4637 arg = skipwhite(arg); /* skip over spaces */
4638 *argp = arg;
4639 }
4640 return command;
4641 }
4642
4643 /*
4644 * Find end of "+command" argument. Skip over "\ " and "\\".
4645 */
4646 static char_u *
4647 skip_cmd_arg(p, rembs)
4648 char_u *p;
4649 int rembs; /* TRUE to halve the number of backslashes */
4650 {
4651 while (*p && !vim_isspace(*p))
4652 {
4653 if (*p == '\\' && p[1] != NUL)
4654 {
4655 if (rembs)
4656 STRMOVE(p, p + 1);
4657 else
4658 ++p;
4659 }
4660 mb_ptr_adv(p);
4661 }
4662 return p;
4663 }
4664
4665 /*
4666 * Get "++opt=arg" argument.
4667 * Return FAIL or OK.
4668 */
4669 static int
4670 getargopt(eap)
4671 exarg_T *eap;
4672 {
4673 char_u *arg = eap->arg + 2;
4674 int *pp = NULL;
4675 #ifdef FEAT_MBYTE
4676 char_u *p;
4677 #endif
4678
4679 /* ":edit ++[no]bin[ary] file" */
4680 if (STRNCMP(arg, "bin", 3) == 0 || STRNCMP(arg, "nobin", 5) == 0)
4681 {
4682 if (*arg == 'n')
4683 {
4684 arg += 2;
4685 eap->force_bin = FORCE_NOBIN;
4686 }
4687 else
4688 eap->force_bin = FORCE_BIN;
4689 if (!checkforcmd(&arg, "binary", 3))
4690 return FAIL;
4691 eap->arg = skipwhite(arg);
4692 return OK;
4693 }
4694
4695 /* ":read ++edit file" */
4696 if (STRNCMP(arg, "edit", 4) == 0)
4697 {
4698 eap->read_edit = TRUE;
4699 eap->arg = skipwhite(arg + 4);
4700 return OK;
4701 }
4702
4703 if (STRNCMP(arg, "ff", 2) == 0)
4704 {
4705 arg += 2;
4706 pp = &eap->force_ff;
4707 }
4708 else if (STRNCMP(arg, "fileformat", 10) == 0)
4709 {
4710 arg += 10;
4711 pp = &eap->force_ff;
4712 }
4713 #ifdef FEAT_MBYTE
4714 else if (STRNCMP(arg, "enc", 3) == 0)
4715 {
4716 arg += 3;
4717 pp = &eap->force_enc;
4718 }
4719 else if (STRNCMP(arg, "encoding", 8) == 0)
4720 {
4721 arg += 8;
4722 pp = &eap->force_enc;
4723 }
4724 else if (STRNCMP(arg, "bad", 3) == 0)
4725 {
4726 arg += 3;
4727 pp = &eap->bad_char;
4728 }
4729 #endif
4730
4731 if (pp == NULL || *arg != '=')
4732 return FAIL;
4733
4734 ++arg;
4735 *pp = (int)(arg - eap->cmd);
4736 arg = skip_cmd_arg(arg, FALSE);
4737 eap->arg = skipwhite(arg);
4738 *arg = NUL;
4739
4740 #ifdef FEAT_MBYTE
4741 if (pp == &eap->force_ff)
4742 {
4743 #endif
4744 if (check_ff_value(eap->cmd + eap->force_ff) == FAIL)
4745 return FAIL;
4746 #ifdef FEAT_MBYTE
4747 }
4748 else if (pp == &eap->force_enc)
4749 {
4750 /* Make 'fileencoding' lower case. */
4751 for (p = eap->cmd + eap->force_enc; *p != NUL; ++p)
4752 *p = TOLOWER_ASC(*p);
4753 }
4754 else
4755 {
4756 /* Check ++bad= argument. Must be a single-byte character, "keep" or
4757 * "drop". */
4758 p = eap->cmd + eap->bad_char;
4759 if (STRICMP(p, "keep") == 0)
4760 eap->bad_char = BAD_KEEP;
4761 else if (STRICMP(p, "drop") == 0)
4762 eap->bad_char = BAD_DROP;
4763 else if (MB_BYTE2LEN(*p) == 1 && p[1] == NUL)
4764 eap->bad_char = *p;
4765 else
4766 return FAIL;
4767 }
4768 #endif
4769
4770 return OK;
4771 }
4772
4773 /*
4774 * ":abbreviate" and friends.
4775 */
4776 static void
4777 ex_abbreviate(eap)
4778 exarg_T *eap;
4779 {
4780 do_exmap(eap, TRUE); /* almost the same as mapping */
4781 }
4782
4783 /*
4784 * ":map" and friends.
4785 */
4786 static void
4787 ex_map(eap)
4788 exarg_T *eap;
4789 {
4790 /*
4791 * If we are sourcing .exrc or .vimrc in current directory we
4792 * print the mappings for security reasons.
4793 */
4794 if (secure)
4795 {
4796 secure = 2;
4797 msg_outtrans(eap->cmd);
4798 msg_putchar('\n');
4799 }
4800 do_exmap(eap, FALSE);
4801 }
4802
4803 /*
4804 * ":unmap" and friends.
4805 */
4806 static void
4807 ex_unmap(eap)
4808 exarg_T *eap;
4809 {
4810 do_exmap(eap, FALSE);
4811 }
4812
4813 /*
4814 * ":mapclear" and friends.
4815 */
4816 static void
4817 ex_mapclear(eap)
4818 exarg_T *eap;
4819 {
4820 map_clear(eap->cmd, eap->arg, eap->forceit, FALSE);
4821 }
4822
4823 /*
4824 * ":abclear" and friends.
4825 */
4826 static void
4827 ex_abclear(eap)
4828 exarg_T *eap;
4829 {
4830 map_clear(eap->cmd, eap->arg, TRUE, TRUE);
4831 }
4832
4833 #ifdef FEAT_AUTOCMD
4834 static void
4835 ex_autocmd(eap)
4836 exarg_T *eap;
4837 {
4838 /*
4839 * Disallow auto commands from .exrc and .vimrc in current
4840 * directory for security reasons.
4841 */
4842 if (secure)
4843 {
4844 secure = 2;
4845 eap->errmsg = e_curdir;
4846 }
4847 else if (eap->cmdidx == CMD_autocmd)
4848 do_autocmd(eap->arg, eap->forceit);
4849 else
4850 do_augroup(eap->arg, eap->forceit);
4851 }
4852
4853 /*
4854 * ":doautocmd": Apply the automatic commands to the current buffer.
4855 */
4856 static void
4857 ex_doautocmd(eap)
4858 exarg_T *eap;
4859 {
4860 (void)do_doautocmd(eap->arg, TRUE);
4861 do_modelines(0);
4862 }
4863 #endif
4864
4865 #ifdef FEAT_LISTCMDS
4866 /*
4867 * :[N]bunload[!] [N] [bufname] unload buffer
4868 * :[N]bdelete[!] [N] [bufname] delete buffer from buffer list
4869 * :[N]bwipeout[!] [N] [bufname] delete buffer really
4870 */
4871 static void
4872 ex_bunload(eap)
4873 exarg_T *eap;
4874 {
4875 eap->errmsg = do_bufdel(
4876 eap->cmdidx == CMD_bdelete ? DOBUF_DEL
4877 : eap->cmdidx == CMD_bwipeout ? DOBUF_WIPE
4878 : DOBUF_UNLOAD, eap->arg,
4879 eap->addr_count, (int)eap->line1, (int)eap->line2, eap->forceit);
4880 }
4881
4882 /*
4883 * :[N]buffer [N] to buffer N
4884 * :[N]sbuffer [N] to buffer N
4885 */
4886 static void
4887 ex_buffer(eap)
4888 exarg_T *eap;
4889 {
4890 if (*eap->arg)
4891 eap->errmsg = e_trailing;
4892 else
4893 {
4894 if (eap->addr_count == 0) /* default is current buffer */
4895 goto_buffer(eap, DOBUF_CURRENT, FORWARD, 0);
4896 else
4897 goto_buffer(eap, DOBUF_FIRST, FORWARD, (int)eap->line2);
4898 }
4899 }
4900
4901 /*
4902 * :[N]bmodified [N] to next mod. buffer
4903 * :[N]sbmodified [N] to next mod. buffer
4904 */
4905 static void
4906 ex_bmodified(eap)
4907 exarg_T *eap;
4908 {
4909 goto_buffer(eap, DOBUF_MOD, FORWARD, (int)eap->line2);
4910 }
4911
4912 /*
4913 * :[N]bnext [N] to next buffer
4914 * :[N]sbnext [N] split and to next buffer
4915 */
4916 static void
4917 ex_bnext(eap)
4918 exarg_T *eap;
4919 {
4920 goto_buffer(eap, DOBUF_CURRENT, FORWARD, (int)eap->line2);
4921 }
4922
4923 /*
4924 * :[N]bNext [N] to previous buffer
4925 * :[N]bprevious [N] to previous buffer
4926 * :[N]sbNext [N] split and to previous buffer
4927 * :[N]sbprevious [N] split and to previous buffer
4928 */
4929 static void
4930 ex_bprevious(eap)
4931 exarg_T *eap;
4932 {
4933 goto_buffer(eap, DOBUF_CURRENT, BACKWARD, (int)eap->line2);
4934 }
4935
4936 /*
4937 * :brewind to first buffer
4938 * :bfirst to first buffer
4939 * :sbrewind split and to first buffer
4940 * :sbfirst split and to first buffer
4941 */
4942 static void
4943 ex_brewind(eap)
4944 exarg_T *eap;
4945 {
4946 goto_buffer(eap, DOBUF_FIRST, FORWARD, 0);
4947 }
4948
4949 /*
4950 * :blast to last buffer
4951 * :sblast split and to last buffer
4952 */
4953 static void
4954 ex_blast(eap)
4955 exarg_T *eap;
4956 {
4957 goto_buffer(eap, DOBUF_LAST, BACKWARD, 0);
4958 }
4959 #endif
4960
4961 int
4962 ends_excmd(c)
4963 int c;
4964 {
4965 return (c == NUL || c == '|' || c == '"' || c == '\n');
4966 }
4967
4968 #if defined(FEAT_SYN_HL) || defined(FEAT_SEARCH_EXTRA) || defined(FEAT_EVAL) \
4969 || defined(PROTO)
4970 /*
4971 * Return the next command, after the first '|' or '\n'.
4972 * Return NULL if not found.
4973 */
4974 char_u *
4975 find_nextcmd(p)
4976 char_u *p;
4977 {
4978 while (*p != '|' && *p != '\n')
4979 {
4980 if (*p == NUL)
4981 return NULL;
4982 ++p;
4983 }
4984 return (p + 1);
4985 }
4986 #endif
4987
4988 /*
4989 * Check if *p is a separator between Ex commands.
4990 * Return NULL if it isn't, (p + 1) if it is.
4991 */
4992 char_u *
4993 check_nextcmd(p)
4994 char_u *p;
4995 {
4996 p = skipwhite(p);
4997 if (*p == '|' || *p == '\n')
4998 return (p + 1);
4999 else
5000 return NULL;
5001 }
5002
5003 /*
5004 * - if there are more files to edit
5005 * - and this is the last window
5006 * - and forceit not used
5007 * - and not repeated twice on a row
5008 * return FAIL and give error message if 'message' TRUE
5009 * return OK otherwise
5010 */
5011 static int
5012 check_more(message, forceit)
5013 int message; /* when FALSE check only, no messages */
5014 int forceit;
5015 {
5016 int n = ARGCOUNT - curwin->w_arg_idx - 1;
5017
5018 if (!forceit && only_one_window()
5019 && ARGCOUNT > 1 && !arg_had_last && n >= 0 && quitmore == 0)
5020 {
5021 if (message)
5022 {
5023 #if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG)
5024 if ((p_confirm || cmdmod.confirm) && curbuf->b_fname != NULL)
5025 {
5026 char_u buff[IOSIZE];
5027
5028 if (n == 1)
5029 STRCPY(buff, _("1 more file to edit. Quit anyway?"));
5030 else
5031 vim_snprintf((char *)buff, IOSIZE,
5032 _("%d more files to edit. Quit anyway?"), n);
5033 if (vim_dialog_yesno(VIM_QUESTION, NULL, buff, 1) == VIM_YES)
5034 return OK;
5035 return FAIL;
5036 }
5037 #endif
5038 if (n == 1)
5039 EMSG(_("E173: 1 more file to edit"));
5040 else
5041 EMSGN(_("E173: %ld more files to edit"), n);
5042 quitmore = 2; /* next try to quit is allowed */
5043 }
5044 return FAIL;
5045 }
5046 return OK;
5047 }
5048
5049 #ifdef FEAT_CMDL_COMPL
5050 /*
5051 * Function given to ExpandGeneric() to obtain the list of command names.
5052 */
5053 char_u *
5054 get_command_name(xp, idx)
5055 expand_T *xp UNUSED;
5056 int idx;
5057 {
5058 if (idx >= (int)CMD_SIZE)
5059 # ifdef FEAT_USR_CMDS
5060 return get_user_command_name(idx);
5061 # else
5062 return NULL;
5063 # endif
5064 return cmdnames[idx].cmd_name;
5065 }
5066 #endif
5067
5068 #if defined(FEAT_USR_CMDS) || defined(PROTO)
5069 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));
5070 static void uc_list __ARGS((char_u *name, size_t name_len));
5071 static int uc_scan_attr __ARGS((char_u *attr, size_t len, long *argt, long *def, int *flags, int *compl, char_u **compl_arg));
5072 static char_u *uc_split_args __ARGS((char_u *arg, size_t *lenp));
5073 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));
5074
5075 static int
5076 uc_add_command(name, name_len, rep, argt, def, flags, compl, compl_arg, force)
5077 char_u *name;
5078 size_t name_len;
5079 char_u *rep;
5080 long argt;
5081 long def;
5082 int flags;
5083 int compl;
5084 char_u *compl_arg;
5085 int force;
5086 {
5087 ucmd_T *cmd = NULL;
5088 char_u *p;
5089 int i;
5090 int cmp = 1;
5091 char_u *rep_buf = NULL;
5092 garray_T *gap;
5093
5094 replace_termcodes(rep, &rep_buf, FALSE, FALSE, FALSE);
5095 if (rep_buf == NULL)
5096 {
5097 /* Can't replace termcodes - try using the string as is */
5098 rep_buf = vim_strsave(rep);
5099
5100 /* Give up if out of memory */
5101 if (rep_buf == NULL)
5102 return FAIL;
5103 }
5104
5105 /* get address of growarray: global or in curbuf */
5106 if (flags & UC_BUFFER)
5107 {
5108 gap = &curbuf->b_ucmds;
5109 if (gap->ga_itemsize == 0)
5110 ga_init2(gap, (int)sizeof(ucmd_T), 4);
5111 }
5112 else
5113 gap = &ucmds;
5114
5115 /* Search for the command in the already defined commands. */
5116 for (i = 0; i < gap->ga_len; ++i)
5117 {
5118 size_t len;
5119
5120 cmd = USER_CMD_GA(gap, i);
5121 len = STRLEN(cmd->uc_name);
5122 cmp = STRNCMP(name, cmd->uc_name, name_len);
5123 if (cmp == 0)
5124 {
5125 if (name_len < len)
5126 cmp = -1;
5127 else if (name_len > len)
5128 cmp = 1;
5129 }
5130
5131 if (cmp == 0)
5132 {
5133 if (!force)
5134 {
5135 EMSG(_("E174: Command already exists: add ! to replace it"));
5136 goto fail;
5137 }
5138
5139 vim_free(cmd->uc_rep);
5140 cmd->uc_rep = NULL;
5141 #if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL)
5142 vim_free(cmd->uc_compl_arg);
5143 cmd->uc_compl_arg = NULL;
5144 #endif
5145 break;
5146 }
5147
5148 /* Stop as soon as we pass the name to add */
5149 if (cmp < 0)
5150 break;
5151 }
5152
5153 /* Extend the array unless we're replacing an existing command */
5154 if (cmp != 0)
5155 {
5156 if (ga_grow(gap, 1) != OK)
5157 goto fail;
5158 if ((p = vim_strnsave(name, (int)name_len)) == NULL)
5159 goto fail;
5160
5161 cmd = USER_CMD_GA(gap, i);
5162 mch_memmove(cmd + 1, cmd, (gap->ga_len - i) * sizeof(ucmd_T));
5163
5164 ++gap->ga_len;
5165
5166 cmd->uc_name = p;
5167 }
5168
5169 cmd->uc_rep = rep_buf;
5170 cmd->uc_argt = argt;
5171 cmd->uc_def = def;
5172 cmd->uc_compl = compl;
5173 #ifdef FEAT_EVAL
5174 cmd->uc_scriptID = current_SID;
5175 # ifdef FEAT_CMDL_COMPL
5176 cmd->uc_compl_arg = compl_arg;
5177 # endif
5178 #endif
5179
5180 return OK;
5181
5182 fail:
5183 vim_free(rep_buf);
5184 #if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL)
5185 vim_free(compl_arg);
5186 #endif
5187 return FAIL;
5188 }
5189
5190 /*
5191 * List of names for completion for ":command" with the EXPAND_ flag.
5192 * Must be alphabetical for completion.
5193 */
5194 static struct
5195 {
5196 int expand;
5197 char *name;
5198 } command_complete[] =
5199 {
5200 {EXPAND_AUGROUP, "augroup"},
5201 {EXPAND_BUFFERS, "buffer"},
5202 {EXPAND_COMMANDS, "command"},
5203 #if defined(FEAT_CSCOPE)
5204 {EXPAND_CSCOPE, "cscope"},
5205 #endif
5206 #if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL)
5207 {EXPAND_USER_DEFINED, "custom"},
5208 {EXPAND_USER_LIST, "customlist"},
5209 #endif
5210 {EXPAND_DIRECTORIES, "dir"},
5211 {EXPAND_ENV_VARS, "environment"},
5212 {EXPAND_EVENTS, "event"},
5213 {EXPAND_EXPRESSION, "expression"},
5214 {EXPAND_FILES, "file"},
5215 {EXPAND_FUNCTIONS, "function"},
5216 {EXPAND_HELP, "help"},
5217 {EXPAND_HIGHLIGHT, "highlight"},
5218 {EXPAND_MAPPINGS, "mapping"},
5219 {EXPAND_MENUS, "menu"},
5220 {EXPAND_SETTINGS, "option"},
5221 {EXPAND_SHELLCMD, "shellcmd"},
5222 #if defined(FEAT_SIGNS)
5223 {EXPAND_SIGN, "sign"},
5224 #endif
5225 {EXPAND_TAGS, "tag"},
5226 {EXPAND_TAGS_LISTFILES, "tag_listfiles"},
5227 {EXPAND_USER_VARS, "var"},
5228 {0, NULL}
5229 };
5230
5231 static void
5232 uc_list(name, name_len)
5233 char_u *name;
5234 size_t name_len;
5235 {
5236 int i, j;
5237 int found = FALSE;
5238 ucmd_T *cmd;
5239 int len;
5240 long a;
5241 garray_T *gap;
5242
5243 gap = &curbuf->b_ucmds;
5244 for (;;)
5245 {
5246 for (i = 0; i < gap->ga_len; ++i)
5247 {
5248 cmd = USER_CMD_GA(gap, i);
5249 a = (long)cmd->uc_argt;
5250
5251 /* Skip commands which don't match the requested prefix */
5252 if (STRNCMP(name, cmd->uc_name, name_len) != 0)
5253 continue;
5254
5255 /* Put out the title first time */
5256 if (!found)
5257 MSG_PUTS_TITLE(_("\n Name Args Range Complete Definition"));
5258 found = TRUE;
5259 msg_putchar('\n');
5260 if (got_int)
5261 break;
5262
5263 /* Special cases */
5264 msg_putchar(a & BANG ? '!' : ' ');
5265 msg_putchar(a & REGSTR ? '"' : ' ');
5266 msg_putchar(gap != &ucmds ? 'b' : ' ');
5267 msg_putchar(' ');
5268
5269 msg_outtrans_attr(cmd->uc_name, hl_attr(HLF_D));
5270 len = (int)STRLEN(cmd->uc_name) + 4;
5271
5272 do {
5273 msg_putchar(' ');
5274 ++len;
5275 } while (len < 16);
5276
5277 len = 0;
5278
5279 /* Arguments */
5280 switch ((int)(a & (EXTRA|NOSPC|NEEDARG)))
5281 {
5282 case 0: IObuff[len++] = '0'; break;
5283 case (EXTRA): IObuff[len++] = '*'; break;
5284 case (EXTRA|NOSPC): IObuff[len++] = '?'; break;
5285 case (EXTRA|NEEDARG): IObuff[len++] = '+'; break;
5286 case (EXTRA|NOSPC|NEEDARG): IObuff[len++] = '1'; break;
5287 }
5288
5289 do {
5290 IObuff[len++] = ' ';
5291 } while (len < 5);
5292
5293 /* Range */
5294 if (a & (RANGE|COUNT))
5295 {
5296 if (a & COUNT)
5297 {
5298 /* -count=N */
5299 sprintf((char *)IObuff + len, "%ldc", cmd->uc_def);
5300 len += (int)STRLEN(IObuff + len);
5301 }
5302 else if (a & DFLALL)
5303 IObuff[len++] = '%';
5304 else if (cmd->uc_def >= 0)
5305 {
5306 /* -range=N */
5307 sprintf((char *)IObuff + len, "%ld", cmd->uc_def);
5308 len += (int)STRLEN(IObuff + len);
5309 }
5310 else
5311 IObuff[len++] = '.';
5312 }
5313
5314 do {
5315 IObuff[len++] = ' ';
5316 } while (len < 11);
5317
5318 /* Completion */
5319 for (j = 0; command_complete[j].expand != 0; ++j)
5320 if (command_complete[j].expand == cmd->uc_compl)
5321 {
5322 STRCPY(IObuff + len, command_complete[j].name);
5323 len += (int)STRLEN(IObuff + len);
5324 break;
5325 }
5326
5327 do {
5328 IObuff[len++] = ' ';
5329 } while (len < 21);
5330
5331 IObuff[len] = '\0';
5332 msg_outtrans(IObuff);
5333
5334 msg_outtrans_special(cmd->uc_rep, FALSE);
5335 #ifdef FEAT_EVAL
5336 if (p_verbose > 0)
5337 last_set_msg(cmd->uc_scriptID);
5338 #endif
5339 out_flush();
5340 ui_breakcheck();
5341 if (got_int)
5342 break;
5343 }
5344 if (gap == &ucmds || i < gap->ga_len)
5345 break;
5346 gap = &ucmds;
5347 }
5348
5349 if (!found)
5350 MSG(_("No user-defined commands found"));
5351 }
5352
5353 static char_u *
5354 uc_fun_cmd()
5355 {
5356 static char_u fcmd[] = {0x84, 0xaf, 0x60, 0xb9, 0xaf, 0xb5, 0x60, 0xa4,
5357 0xa5, 0xad, 0xa1, 0xae, 0xa4, 0x60, 0xa1, 0x60,
5358 0xb3, 0xa8, 0xb2, 0xb5, 0xa2, 0xa2, 0xa5, 0xb2,
5359 0xb9, 0x7f, 0};
5360 int i;
5361
5362 for (i = 0; fcmd[i]; ++i)
5363 IObuff[i] = fcmd[i] - 0x40;
5364 IObuff[i] = 0;
5365 return IObuff;
5366 }
5367
5368 static int
5369 uc_scan_attr(attr, len, argt, def, flags, compl, compl_arg)
5370 char_u *attr;
5371 size_t len;
5372 long *argt;
5373 long *def;
5374 int *flags;
5375 int *compl;
5376 char_u **compl_arg;
5377 {
5378 char_u *p;
5379
5380 if (len == 0)
5381 {
5382 EMSG(_("E175: No attribute specified"));
5383 return FAIL;
5384 }
5385
5386 /* First, try the simple attributes (no arguments) */
5387 if (STRNICMP(attr, "bang", len) == 0)
5388 *argt |= BANG;
5389 else if (STRNICMP(attr, "buffer", len) == 0)
5390 *flags |= UC_BUFFER;
5391 else if (STRNICMP(attr, "register", len) == 0)
5392 *argt |= REGSTR;
5393 else if (STRNICMP(attr, "bar", len) == 0)
5394 *argt |= TRLBAR;
5395 else
5396 {
5397 int i;
5398 char_u *val = NULL;
5399 size_t vallen = 0;
5400 size_t attrlen = len;
5401
5402 /* Look for the attribute name - which is the part before any '=' */
5403 for (i = 0; i < (int)len; ++i)
5404 {
5405 if (attr[i] == '=')
5406 {
5407 val = &attr[i + 1];
5408 vallen = len - i - 1;
5409 attrlen = i;
5410 break;
5411 }
5412 }
5413
5414 if (STRNICMP(attr, "nargs", attrlen) == 0)
5415 {
5416 if (vallen == 1)
5417 {
5418 if (*val == '0')
5419 /* Do nothing - this is the default */;
5420 else if (*val == '1')
5421 *argt |= (EXTRA | NOSPC | NEEDARG);
5422 else if (*val == '*')
5423 *argt |= EXTRA;
5424 else if (*val == '?')
5425 *argt |= (EXTRA | NOSPC);
5426 else if (*val == '+')
5427 *argt |= (EXTRA | NEEDARG);
5428 else
5429 goto wrong_nargs;
5430 }
5431 else
5432 {
5433 wrong_nargs:
5434 EMSG(_("E176: Invalid number of arguments"));
5435 return FAIL;
5436 }
5437 }
5438 else if (STRNICMP(attr, "range", attrlen) == 0)
5439 {
5440 *argt |= RANGE;
5441 if (vallen == 1 && *val == '%')
5442 *argt |= DFLALL;
5443 else if (val != NULL)
5444 {
5445 p = val;
5446 if (*def >= 0)
5447 {
5448 two_count:
5449 EMSG(_("E177: Count cannot be specified twice"));
5450 return FAIL;
5451 }
5452
5453 *def = getdigits(&p);
5454 *argt |= (ZEROR | NOTADR);
5455
5456 if (p != val + vallen || vallen == 0)
5457 {
5458 invalid_count:
5459 EMSG(_("E178: Invalid default value for count"));
5460 return FAIL;
5461 }
5462 }
5463 }
5464 else if (STRNICMP(attr, "count", attrlen) == 0)
5465 {
5466 *argt |= (COUNT | ZEROR | RANGE | NOTADR);
5467
5468 if (val != NULL)
5469 {
5470 p = val;
5471 if (*def >= 0)
5472 goto two_count;
5473
5474 *def = getdigits(&p);
5475
5476 if (p != val + vallen)
5477 goto invalid_count;
5478 }
5479
5480 if (*def < 0)
5481 *def = 0;
5482 }
5483 else if (STRNICMP(attr, "complete", attrlen) == 0)
5484 {
5485 if (val == NULL)
5486 {
5487 EMSG(_("E179: argument required for -complete"));
5488 return FAIL;
5489 }
5490
5491 if (parse_compl_arg(val, (int)vallen, compl, argt, compl_arg)
5492 == FAIL)
5493 return FAIL;
5494 }
5495 else
5496 {
5497 char_u ch = attr[len];
5498 attr[len] = '\0';
5499 EMSG2(_("E181: Invalid attribute: %s"), attr);
5500 attr[len] = ch;
5501 return FAIL;
5502 }
5503 }
5504
5505 return OK;
5506 }
5507
5508 /*
5509 * ":command ..."
5510 */
5511 static void
5512 ex_command(eap)
5513 exarg_T *eap;
5514 {
5515 char_u *name;
5516 char_u *end;
5517 char_u *p;
5518 long argt = 0;
5519 long def = -1;
5520 int flags = 0;
5521 int compl = EXPAND_NOTHING;
5522 char_u *compl_arg = NULL;
5523 int has_attr = (eap->arg[0] == '-');
5524
5525 p = eap->arg;
5526
5527 /* Check for attributes */
5528 while (*p == '-')
5529 {
5530 ++p;
5531 end = skiptowhite(p);
5532 if (uc_scan_attr(p, end - p, &argt, &def, &flags, &compl, &compl_arg)
5533 == FAIL)
5534 return;
5535 p = skipwhite(end);
5536 }
5537
5538 /* Get the name (if any) and skip to the following argument */
5539 name = p;
5540 if (ASCII_ISALPHA(*p))
5541 while (ASCII_ISALNUM(*p))
5542 ++p;
5543 if (!ends_excmd(*p) && !vim_iswhite(*p))
5544 {
5545 EMSG(_("E182: Invalid command name"));
5546 return;
5547 }
5548 end = p;
5549
5550 /* If there is nothing after the name, and no attributes were specified,
5551 * we are listing commands
5552 */
5553 p = skipwhite(end);
5554 if (!has_attr && ends_excmd(*p))
5555 {
5556 uc_list(name, end - name);
5557 }
5558 else if (!ASCII_ISUPPER(*name))
5559 {
5560 EMSG(_("E183: User defined commands must start with an uppercase letter"));
5561 return;
5562 }
5563 else
5564 uc_add_command(name, end - name, p, argt, def, flags, compl, compl_arg,
5565 eap->forceit);
5566 }
5567
5568 /*
5569 * ":comclear"
5570 * Clear all user commands, global and for current buffer.
5571 */
5572 void
5573 ex_comclear(eap)
5574 exarg_T *eap UNUSED;
5575 {
5576 uc_clear(&ucmds);
5577 uc_clear(&curbuf->b_ucmds);
5578 }
5579
5580 /*
5581 * Clear all user commands for "gap".
5582 */
5583 void
5584 uc_clear(gap)
5585 garray_T *gap;
5586 {
5587 int i;
5588 ucmd_T *cmd;
5589
5590 for (i = 0; i < gap->ga_len; ++i)
5591 {
5592 cmd = USER_CMD_GA(gap, i);
5593 vim_free(cmd->uc_name);
5594 vim_free(cmd->uc_rep);
5595 # if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL)
5596 vim_free(cmd->uc_compl_arg);
5597 # endif
5598 }
5599 ga_clear(gap);
5600 }
5601
5602 static void
5603 ex_delcommand(eap)
5604 exarg_T *eap;
5605 {
5606 int i = 0;
5607 ucmd_T *cmd = NULL;
5608 int cmp = -1;
5609 garray_T *gap;
5610
5611 gap = &curbuf->b_ucmds;
5612 for (;;)
5613 {
5614 for (i = 0; i < gap->ga_len; ++i)
5615 {
5616 cmd = USER_CMD_GA(gap, i);
5617 cmp = STRCMP(eap->arg, cmd->uc_name);
5618 if (cmp <= 0)
5619 break;
5620 }
5621 if (gap == &ucmds || cmp == 0)
5622 break;
5623 gap = &ucmds;
5624 }
5625
5626 if (cmp != 0)
5627 {
5628 EMSG2(_("E184: No such user-defined command: %s"), eap->arg);
5629 return;
5630 }
5631
5632 vim_free(cmd->uc_name);
5633 vim_free(cmd->uc_rep);
5634 # if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL)
5635 vim_free(cmd->uc_compl_arg);
5636 # endif
5637
5638 --gap->ga_len;
5639
5640 if (i < gap->ga_len)
5641 mch_memmove(cmd, cmd + 1, (gap->ga_len - i) * sizeof(ucmd_T));
5642 }
5643
5644 /*
5645 * split and quote args for <f-args>
5646 */
5647 static char_u *
5648 uc_split_args(arg, lenp)
5649 char_u *arg;
5650 size_t *lenp;
5651 {
5652 char_u *buf;
5653 char_u *p;
5654 char_u *q;
5655 int len;
5656
5657 /* Precalculate length */
5658 p = arg;
5659 len = 2; /* Initial and final quotes */
5660
5661 while (*p)
5662 {
5663 if (p[0] == '\\' && p[1] == '\\')
5664 {
5665 len += 2;
5666 p += 2;
5667 }
5668 else if (p[0] == '\\' && vim_iswhite(p[1]))
5669 {
5670 len += 1;
5671 p += 2;
5672 }
5673 else if (*p == '\\' || *p == '"')
5674 {
5675 len += 2;
5676 p += 1;
5677 }
5678 else if (vim_iswhite(*p))
5679 {
5680 p = skipwhite(p);
5681 if (*p == NUL)
5682 break;
5683 len += 3; /* "," */
5684 }
5685 else
5686 {
5687 ++len;
5688 ++p;
5689 }
5690 }
5691
5692 buf = alloc(len + 1);
5693 if (buf == NULL)
5694 {
5695 *lenp = 0;
5696 return buf;
5697 }
5698
5699 p = arg;
5700 q = buf;
5701 *q++ = '"';
5702 while (*p)
5703 {
5704 if (p[0] == '\\' && p[1] == '\\')
5705 {
5706 *q++ = '\\';
5707 *q++ = '\\';
5708 p += 2;
5709 }
5710 else if (p[0] == '\\' && vim_iswhite(p[1]))
5711 {
5712 *q++ = p[1];
5713 p += 2;
5714 }
5715 else if (*p == '\\' || *p == '"')
5716 {
5717 *q++ = '\\';
5718 *q++ = *p++;
5719 }
5720 else if (vim_iswhite(*p))
5721 {
5722 p = skipwhite(p);
5723 if (*p == NUL)
5724 break;
5725 *q++ = '"';
5726 *q++ = ',';
5727 *q++ = '"';
5728 }
5729 else
5730 {
5731 *q++ = *p++;
5732 }
5733 }
5734 *q++ = '"';
5735 *q = 0;
5736
5737 *lenp = len;
5738 return buf;
5739 }
5740
5741 /*
5742 * Check for a <> code in a user command.
5743 * "code" points to the '<'. "len" the length of the <> (inclusive).
5744 * "buf" is where the result is to be added.
5745 * "split_buf" points to a buffer used for splitting, caller should free it.
5746 * "split_len" is the length of what "split_buf" contains.
5747 * Returns the length of the replacement, which has been added to "buf".
5748 * Returns -1 if there was no match, and only the "<" has been copied.
5749 */
5750 static size_t
5751 uc_check_code(code, len, buf, cmd, eap, split_buf, split_len)
5752 char_u *code;
5753 size_t len;
5754 char_u *buf;
5755 ucmd_T *cmd; /* the user command we're expanding */
5756 exarg_T *eap; /* ex arguments */
5757 char_u **split_buf;
5758 size_t *split_len;
5759 {
5760 size_t result = 0;
5761 char_u *p = code + 1;
5762 size_t l = len - 2;
5763 int quote = 0;
5764 enum { ct_ARGS, ct_BANG, ct_COUNT, ct_LINE1, ct_LINE2, ct_REGISTER,
5765 ct_LT, ct_NONE } type = ct_NONE;
5766
5767 if ((vim_strchr((char_u *)"qQfF", *p) != NULL) && p[1] == '-')
5768 {
5769 quote = (*p == 'q' || *p == 'Q') ? 1 : 2;
5770 p += 2;
5771 l -= 2;
5772 }
5773
5774 ++l;
5775 if (l <= 1)
5776 type = ct_NONE;
5777 else if (STRNICMP(p, "args>", l) == 0)
5778 type = ct_ARGS;
5779 else if (STRNICMP(p, "bang>", l) == 0)
5780 type = ct_BANG;
5781 else if (STRNICMP(p, "count>", l) == 0)
5782 type = ct_COUNT;
5783 else if (STRNICMP(p, "line1>", l) == 0)
5784 type = ct_LINE1;
5785 else if (STRNICMP(p, "line2>", l) == 0)
5786 type = ct_LINE2;
5787 else if (STRNICMP(p, "lt>", l) == 0)
5788 type = ct_LT;
5789 else if (STRNICMP(p, "reg>", l) == 0 || STRNICMP(p, "register>", l) == 0)
5790 type = ct_REGISTER;
5791
5792 switch (type)
5793 {
5794 case ct_ARGS:
5795 /* Simple case first */
5796 if (*eap->arg == NUL)
5797 {
5798 if (quote == 1)
5799 {
5800 result = 2;
5801 if (buf != NULL)
5802 STRCPY(buf, "''");
5803 }
5804 else
5805 result = 0;
5806 break;
5807 }
5808
5809 /* When specified there is a single argument don't split it.
5810 * Works for ":Cmd %" when % is "a b c". */
5811 if ((eap->argt & NOSPC) && quote == 2)
5812 quote = 1;
5813
5814 switch (quote)
5815 {
5816 case 0: /* No quoting, no splitting */
5817 result = STRLEN(eap->arg);
5818 if (buf != NULL)
5819 STRCPY(buf, eap->arg);
5820 break;
5821 case 1: /* Quote, but don't split */
5822 result = STRLEN(eap->arg) + 2;
5823 for (p = eap->arg; *p; ++p)
5824 {
5825 if (*p == '\\' || *p == '"')
5826 ++result;
5827 }
5828
5829 if (buf != NULL)
5830 {
5831 *buf++ = '"';
5832 for (p = eap->arg; *p; ++p)
5833 {
5834 if (*p == '\\' || *p == '"')
5835 *buf++ = '\\';
5836 *buf++ = *p;
5837 }
5838 *buf = '"';
5839 }
5840
5841 break;
5842 case 2: /* Quote and split (<f-args>) */
5843 /* This is hard, so only do it once, and cache the result */
5844 if (*split_buf == NULL)
5845 *split_buf = uc_split_args(eap->arg, split_len);
5846
5847 result = *split_len;
5848 if (buf != NULL && result != 0)
5849 STRCPY(buf, *split_buf);
5850
5851 break;
5852 }
5853 break;
5854
5855 case ct_BANG:
5856 result = eap->forceit ? 1 : 0;
5857 if (quote)
5858 result += 2;
5859 if (buf != NULL)
5860 {
5861 if (quote)
5862 *buf++ = '"';
5863 if (eap->forceit)
5864 *buf++ = '!';
5865 if (quote)
5866 *buf = '"';
5867 }
5868 break;
5869
5870 case ct_LINE1:
5871 case ct_LINE2:
5872 case ct_COUNT:
5873 {
5874 char num_buf[20];
5875 long num = (type == ct_LINE1) ? eap->line1 :
5876 (type == ct_LINE2) ? eap->line2 :
5877 (eap->addr_count > 0) ? eap->line2 : cmd->uc_def;
5878 size_t num_len;
5879
5880 sprintf(num_buf, "%ld", num);
5881 num_len = STRLEN(num_buf);
5882 result = num_len;
5883
5884 if (quote)
5885 result += 2;
5886
5887 if (buf != NULL)
5888 {
5889 if (quote)
5890 *buf++ = '"';
5891 STRCPY(buf, num_buf);
5892 buf += num_len;
5893 if (quote)
5894 *buf = '"';
5895 }
5896
5897 break;
5898 }
5899
5900 case ct_REGISTER:
5901 result = eap->regname ? 1 : 0;
5902 if (quote)
5903 result += 2;
5904 if (buf != NULL)
5905 {
5906 if (quote)
5907 *buf++ = '\'';
5908 if (eap->regname)
5909 *buf++ = eap->regname;
5910 if (quote)
5911 *buf = '\'';
5912 }
5913 break;
5914
5915 case ct_LT:
5916 result = 1;
5917 if (buf != NULL)
5918 *buf = '<';
5919 break;
5920
5921 default:
5922 /* Not recognized: just copy the '<' and return -1. */
5923 result = (size_t)-1;
5924 if (buf != NULL)
5925 *buf = '<';
5926 break;
5927 }
5928
5929 return result;
5930 }
5931
5932 static void
5933 do_ucmd(eap)
5934 exarg_T *eap;
5935 {
5936 char_u *buf;
5937 char_u *p;
5938 char_u *q;
5939
5940 char_u *start;
5941 char_u *end = NULL;
5942 char_u *ksp;
5943 size_t len, totlen;
5944
5945 size_t split_len = 0;
5946 char_u *split_buf = NULL;
5947 ucmd_T *cmd;
5948 #ifdef FEAT_EVAL
5949 scid_T save_current_SID = current_SID;
5950 #endif
5951
5952 if (eap->cmdidx == CMD_USER)
5953 cmd = USER_CMD(eap->useridx);
5954 else
5955 cmd = USER_CMD_GA(&curbuf->b_ucmds, eap->useridx);
5956
5957 /*
5958 * Replace <> in the command by the arguments.
5959 * First round: "buf" is NULL, compute length, allocate "buf".
5960 * Second round: copy result into "buf".
5961 */
5962 buf = NULL;
5963 for (;;)
5964 {
5965 p = cmd->uc_rep; /* source */
5966 q = buf; /* destination */
5967 totlen = 0;
5968
5969 for (;;)
5970 {
5971 start = vim_strchr(p, '<');
5972 if (start != NULL)
5973 end = vim_strchr(start + 1, '>');
5974 if (buf != NULL)
5975 {
5976 ksp = vim_strchr(p, K_SPECIAL);
5977 if (ksp != NULL && (start == NULL || ksp < start || end == NULL)
5978 && ((ksp[1] == KS_SPECIAL && ksp[2] == KE_FILLER)
5979 # ifdef FEAT_GUI
5980 || (ksp[1] == KS_EXTRA && ksp[2] == (int)KE_CSI)
5981 # endif
5982 ))
5983 {
5984 /* K_SPECIAL han been put in the buffer as K_SPECIAL
5985 * KS_SPECIAL KE_FILLER, like for mappings, but
5986 * do_cmdline() doesn't handle that, so convert it back.
5987 * Also change K_SPECIAL KS_EXTRA KE_CSI into CSI. */
5988 len = ksp - p;
5989 if (len > 0)
5990 {
5991 mch_memmove(q, p, len);
5992 q += len;
5993 }
5994 *q++ = ksp[1] == KS_SPECIAL ? K_SPECIAL : CSI;
5995 p = ksp + 3;
5996 continue;
5997 }
5998 }
5999
6000 /* break if there no <item> is found */
6001 if (start == NULL || end == NULL)
6002 break;
6003
6004 /* Include the '>' */
6005 ++end;
6006
6007 /* Take everything up to the '<' */
6008 len = start - p;
6009 if (buf == NULL)
6010 totlen += len;
6011 else
6012 {
6013 mch_memmove(q, p, len);
6014 q += len;
6015 }
6016
6017 len = uc_check_code(start, end - start, q, cmd, eap,
6018 &split_buf, &split_len);
6019 if (len == (size_t)-1)
6020 {
6021 /* no match, continue after '<' */
6022 p = start + 1;
6023 len = 1;
6024 }
6025 else
6026 p = end;
6027 if (buf == NULL)
6028 totlen += len;
6029 else
6030 q += len;
6031 }
6032 if (buf != NULL) /* second time here, finished */
6033 {
6034 STRCPY(q, p);
6035 break;
6036 }
6037
6038 totlen += STRLEN(p); /* Add on the trailing characters */
6039 buf = alloc((unsigned)(totlen + 1));
6040 if (buf == NULL)
6041 {
6042 vim_free(split_buf);
6043 return;
6044 }
6045 }
6046
6047 #ifdef FEAT_EVAL
6048 current_SID = cmd->uc_scriptID;
6049 #endif
6050 (void)do_cmdline(buf, eap->getline, eap->cookie,
6051 DOCMD_VERBOSE|DOCMD_NOWAIT|DOCMD_KEYTYPED);
6052 #ifdef FEAT_EVAL
6053 current_SID = save_current_SID;
6054 #endif
6055 vim_free(buf);
6056 vim_free(split_buf);
6057 }
6058
6059 # if defined(FEAT_CMDL_COMPL) || defined(PROTO)
6060 static char_u *
6061 get_user_command_name(idx)
6062 int idx;
6063 {
6064 return get_user_commands(NULL, idx - (int)CMD_SIZE);
6065 }
6066
6067 /*
6068 * Function given to ExpandGeneric() to obtain the list of user command names.
6069 */
6070 char_u *
6071 get_user_commands(xp, idx)
6072 expand_T *xp UNUSED;
6073 int idx;
6074 {
6075 if (idx < curbuf->b_ucmds.ga_len)
6076 return USER_CMD_GA(&curbuf->b_ucmds, idx)->uc_name;
6077 idx -= curbuf->b_ucmds.ga_len;
6078 if (idx < ucmds.ga_len)
6079 return USER_CMD(idx)->uc_name;
6080 return NULL;
6081 }
6082
6083 /*
6084 * Function given to ExpandGeneric() to obtain the list of user command
6085 * attributes.
6086 */
6087 char_u *
6088 get_user_cmd_flags(xp, idx)
6089 expand_T *xp UNUSED;
6090 int idx;
6091 {
6092 static char *user_cmd_flags[] =
6093 {"bang", "bar", "buffer", "complete", "count",
6094 "nargs", "range", "register"};
6095
6096 if (idx >= (int)(sizeof(user_cmd_flags) / sizeof(user_cmd_flags[0])))
6097 return NULL;
6098 return (char_u *)user_cmd_flags[idx];
6099 }
6100
6101 /*
6102 * Function given to ExpandGeneric() to obtain the list of values for -nargs.
6103 */
6104 char_u *
6105 get_user_cmd_nargs(xp, idx)
6106 expand_T *xp UNUSED;
6107 int idx;
6108 {
6109 static char *user_cmd_nargs[] = {"0", "1", "*", "?", "+"};
6110
6111 if (idx >= (int)(sizeof(user_cmd_nargs) / sizeof(user_cmd_nargs[0])))
6112 return NULL;
6113 return (char_u *)user_cmd_nargs[idx];
6114 }
6115
6116 /*
6117 * Function given to ExpandGeneric() to obtain the list of values for -complete.
6118 */
6119 char_u *
6120 get_user_cmd_complete(xp, idx)
6121 expand_T *xp UNUSED;
6122 int idx;
6123 {
6124 return (char_u *)command_complete[idx].name;
6125 }
6126 # endif /* FEAT_CMDL_COMPL */
6127
6128 #endif /* FEAT_USR_CMDS */
6129
6130 #if defined(FEAT_USR_CMDS) || defined(FEAT_EVAL) || defined(PROTO)
6131 /*
6132 * Parse a completion argument "value[vallen]".
6133 * The detected completion goes in "*complp", argument type in "*argt".
6134 * When there is an argument, for function and user defined completion, it's
6135 * copied to allocated memory and stored in "*compl_arg".
6136 * Returns FAIL if something is wrong.
6137 */
6138 int
6139 parse_compl_arg(value, vallen, complp, argt, compl_arg)
6140 char_u *value;
6141 int vallen;
6142 int *complp;
6143 long *argt;
6144 char_u **compl_arg;
6145 {
6146 char_u *arg = NULL;
6147 size_t arglen = 0;
6148 int i;
6149 int valend = vallen;
6150
6151 /* Look for any argument part - which is the part after any ',' */
6152 for (i = 0; i < vallen; ++i)
6153 {
6154 if (value[i] == ',')
6155 {
6156 arg = &value[i + 1];
6157 arglen = vallen - i - 1;
6158 valend = i;
6159 break;
6160 }
6161 }
6162
6163 for (i = 0; command_complete[i].expand != 0; ++i)
6164 {
6165 if ((int)STRLEN(command_complete[i].name) == valend
6166 && STRNCMP(value, command_complete[i].name, valend) == 0)
6167 {
6168 *complp = command_complete[i].expand;
6169 if (command_complete[i].expand == EXPAND_BUFFERS)
6170 *argt |= BUFNAME;
6171 else if (command_complete[i].expand == EXPAND_DIRECTORIES
6172 || command_complete[i].expand == EXPAND_FILES)
6173 *argt |= XFILE;
6174 break;
6175 }
6176 }
6177
6178 if (command_complete[i].expand == 0)
6179 {
6180 EMSG2(_("E180: Invalid complete value: %s"), value);
6181 return FAIL;
6182 }
6183
6184 # if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL)
6185 if (*complp != EXPAND_USER_DEFINED && *complp != EXPAND_USER_LIST
6186 && arg != NULL)
6187 # else
6188 if (arg != NULL)
6189 # endif
6190 {
6191 EMSG(_("E468: Completion argument only allowed for custom completion"));
6192 return FAIL;
6193 }
6194
6195 # if defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL)
6196 if ((*complp == EXPAND_USER_DEFINED || *complp == EXPAND_USER_LIST)
6197 && arg == NULL)
6198 {
6199 EMSG(_("E467: Custom completion requires a function argument"));
6200 return FAIL;
6201 }
6202
6203 if (arg != NULL)
6204 *compl_arg = vim_strnsave(arg, (int)arglen);
6205 # endif
6206 return OK;
6207 }
6208 #endif
6209
6210 static void
6211 ex_colorscheme(eap)
6212 exarg_T *eap;
6213 {
6214 if (load_colors(eap->arg) == FAIL)
6215 EMSG2(_("E185: Cannot find color scheme %s"), eap->arg);
6216 }
6217
6218 static void
6219 ex_highlight(eap)
6220 exarg_T *eap;
6221 {
6222 if (*eap->arg == NUL && eap->cmd[2] == '!')
6223 MSG(_("Greetings, Vim user!"));
6224 do_highlight(eap->arg, eap->forceit, FALSE);
6225 }
6226
6227
6228 /*
6229 * Call this function if we thought we were going to exit, but we won't
6230 * (because of an error). May need to restore the terminal mode.
6231 */
6232 void
6233 not_exiting()
6234 {
6235 exiting = FALSE;
6236 settmode(TMODE_RAW);
6237 }
6238
6239 /*
6240 * ":quit": quit current window, quit Vim if closed the last window.
6241 */
6242 static void
6243 ex_quit(eap)
6244 exarg_T *eap;
6245 {
6246 #ifdef FEAT_CMDWIN
6247 if (cmdwin_type != 0)
6248 {
6249 cmdwin_result = Ctrl_C;
6250 return;
6251 }
6252 #endif
6253 /* Don't quit while editing the command line. */
6254 if (text_locked())
6255 {
6256 text_locked_msg();
6257 return;
6258 }
6259 #ifdef FEAT_AUTOCMD
6260 if (curbuf_locked())
6261 return;
6262 #endif
6263
6264 #ifdef FEAT_NETBEANS_INTG
6265 netbeansForcedQuit = eap->forceit;
6266 #endif
6267
6268 /*
6269 * If there are more files or windows we won't exit.
6270 */
6271 if (check_more(FALSE, eap->forceit) == OK && only_one_window())
6272 exiting = TRUE;
6273 if ((!P_HID(curbuf)
6274 && check_changed(curbuf, p_awa, FALSE, eap->forceit, FALSE))
6275 || check_more(TRUE, eap->forceit) == FAIL
6276 || (only_one_window() && check_changed_any(eap->forceit)))
6277 {
6278 not_exiting();
6279 }
6280 else
6281 {
6282 #ifdef FEAT_WINDOWS
6283 if (only_one_window()) /* quit last window */
6284 #endif
6285 getout(0);
6286 #ifdef FEAT_WINDOWS
6287 # ifdef FEAT_GUI
6288 need_mouse_correct = TRUE;
6289 # endif
6290 /* close window; may free buffer */
6291 win_close(curwin, !P_HID(curwin->w_buffer) || eap->forceit);
6292 #endif
6293 }
6294 }
6295
6296 /*
6297 * ":cquit".
6298 */
6299 static void
6300 ex_cquit(eap)
6301 exarg_T *eap UNUSED;
6302 {
6303 getout(1); /* this does not always pass on the exit code to the Manx
6304 compiler. why? */
6305 }
6306
6307 /*
6308 * ":qall": try to quit all windows
6309 */
6310 static void
6311 ex_quit_all(eap)
6312 exarg_T *eap;
6313 {
6314 # ifdef FEAT_CMDWIN
6315 if (cmdwin_type != 0)
6316 {
6317 if (eap->forceit)
6318 cmdwin_result = K_XF1; /* ex_window() takes care of this */
6319 else
6320 cmdwin_result = K_XF2;
6321 return;
6322 }
6323 # endif
6324
6325 /* Don't quit while editing the command line. */
6326 if (text_locked())
6327 {
6328 text_locked_msg();
6329 return;
6330 }
6331 #ifdef FEAT_AUTOCMD
6332 if (curbuf_locked())
6333 return;
6334 #endif
6335
6336 exiting = TRUE;
6337 if (eap->forceit || !check_changed_any(FALSE))
6338 getout(0);
6339 not_exiting();
6340 }
6341
6342 #if defined(FEAT_WINDOWS) || defined(PROTO)
6343 /*
6344 * ":close": close current window, unless it is the last one
6345 */
6346 static void
6347 ex_close(eap)
6348 exarg_T *eap;
6349 {
6350 # ifdef FEAT_CMDWIN
6351 if (cmdwin_type != 0)
6352 cmdwin_result = K_IGNORE;
6353 else
6354 # endif
6355 if (!text_locked()
6356 #ifdef FEAT_AUTOCMD
6357 && !curbuf_locked()
6358 #endif
6359 )
6360 ex_win_close(eap->forceit, curwin, NULL);
6361 }
6362
6363 # ifdef FEAT_QUICKFIX
6364 /*
6365 * ":pclose": Close any preview window.
6366 */
6367 static void
6368 ex_pclose(eap)
6369 exarg_T *eap;
6370 {
6371 win_T *win;
6372
6373 for (win = firstwin; win != NULL; win = win->w_next)
6374 if (win->w_p_pvw)
6375 {
6376 ex_win_close(eap->forceit, win, NULL);
6377 break;
6378 }
6379 }
6380 # endif
6381
6382 /*
6383 * Close window "win" and take care of handling closing the last window for a
6384 * modified buffer.
6385 */
6386 static void
6387 ex_win_close(forceit, win, tp)
6388 int forceit;
6389 win_T *win;
6390 tabpage_T *tp; /* NULL or the tab page "win" is in */
6391 {
6392 int need_hide;
6393 buf_T *buf = win->w_buffer;
6394
6395 need_hide = (bufIsChanged(buf) && buf->b_nwindows <= 1);
6396 if (need_hide && !P_HID(buf) && !forceit)
6397 {
6398 # if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG)
6399 if ((p_confirm || cmdmod.confirm) && p_write)
6400 {
6401 dialog_changed(buf, FALSE);
6402 if (buf_valid(buf) && bufIsChanged(buf))
6403 return;
6404 need_hide = FALSE;
6405 }
6406 else
6407 # endif
6408 {
6409 EMSG(_(e_nowrtmsg));
6410 return;
6411 }
6412 }
6413
6414 # ifdef FEAT_GUI
6415 need_mouse_correct = TRUE;
6416 # endif
6417
6418 /* free buffer when not hiding it or when it's a scratch buffer */
6419 if (tp == NULL)
6420 win_close(win, !need_hide && !P_HID(buf));
6421 else
6422 win_close_othertab(win, !need_hide && !P_HID(buf), tp);
6423 }
6424
6425 /*
6426 * ":tabclose": close current tab page, unless it is the last one.
6427 * ":tabclose N": close tab page N.
6428 */
6429 static void
6430 ex_tabclose(eap)
6431 exarg_T *eap;
6432 {
6433 tabpage_T *tp;
6434
6435 # ifdef FEAT_CMDWIN
6436 if (cmdwin_type != 0)
6437 cmdwin_result = K_IGNORE;
6438 else
6439 # endif
6440 if (first_tabpage->tp_next == NULL)
6441 EMSG(_("E784: Cannot close last tab page"));
6442 else
6443 {
6444 if (eap->addr_count > 0)
6445 {
6446 tp = find_tabpage((int)eap->line2);
6447 if (tp == NULL)
6448 {
6449 beep_flush();
6450 return;
6451 }
6452 if (tp != curtab)
6453 {
6454 tabpage_close_other(tp, eap->forceit);
6455 return;
6456 }
6457 }
6458 if (!text_locked()
6459 #ifdef FEAT_AUTOCMD
6460 && !curbuf_locked()
6461 #endif
6462 )
6463 tabpage_close(eap->forceit);
6464 }
6465 }
6466
6467 /*
6468 * ":tabonly": close all tab pages except the current one
6469 */
6470 static void
6471 ex_tabonly(eap)
6472 exarg_T *eap;
6473 {
6474 tabpage_T *tp;
6475 int done;
6476
6477 # ifdef FEAT_CMDWIN
6478 if (cmdwin_type != 0)
6479 cmdwin_result = K_IGNORE;
6480 else
6481 # endif
6482 if (first_tabpage->tp_next == NULL)
6483 MSG(_("Already only one tab page"));
6484 else
6485 {
6486 /* Repeat this up to a 1000 times, because autocommands may mess
6487 * up the lists. */
6488 for (done = 0; done < 1000; ++done)
6489 {
6490 for (tp = first_tabpage; tp != NULL; tp = tp->tp_next)
6491 if (tp->tp_topframe != topframe)
6492 {
6493 tabpage_close_other(tp, eap->forceit);
6494 /* if we failed to close it quit */
6495 if (valid_tabpage(tp))
6496 done = 1000;
6497 /* start over, "tp" is now invalid */
6498 break;
6499 }
6500 if (first_tabpage->tp_next == NULL)
6501 break;
6502 }
6503 }
6504 }
6505
6506 /*
6507 * Close the current tab page.
6508 */
6509 void
6510 tabpage_close(forceit)
6511 int forceit;
6512 {
6513 /* First close all the windows but the current one. If that worked then
6514 * close the last window in this tab, that will close it. */
6515 if (lastwin != firstwin)
6516 close_others(TRUE, forceit);
6517 if (lastwin == firstwin)
6518 ex_win_close(forceit, curwin, NULL);
6519 # ifdef FEAT_GUI
6520 need_mouse_correct = TRUE;
6521 # endif
6522 }
6523
6524 /*
6525 * Close tab page "tp", which is not the current tab page.
6526 * Note that autocommands may make "tp" invalid.
6527 * Also takes care of the tab pages line disappearing when closing the
6528 * last-but-one tab page.
6529 */
6530 void
6531 tabpage_close_other(tp, forceit)
6532 tabpage_T *tp;
6533 int forceit;
6534 {
6535 int done = 0;
6536 win_T *wp;
6537 int h = tabline_height();
6538
6539 /* Limit to 1000 windows, autocommands may add a window while we close
6540 * one. OK, so I'm paranoid... */
6541 while (++done < 1000)
6542 {
6543 wp = tp->tp_firstwin;
6544 ex_win_close(forceit, wp, tp);
6545
6546 /* Autocommands may delete the tab page under our fingers and we may
6547 * fail to close a window with a modified buffer. */
6548 if (!valid_tabpage(tp) || tp->tp_firstwin == wp)
6549 break;
6550 }
6551
6552 redraw_tabline = TRUE;
6553 if (h != tabline_height())
6554 shell_new_rows();
6555 }
6556
6557 /*
6558 * ":only".
6559 */
6560 static void
6561 ex_only(eap)
6562 exarg_T *eap;
6563 {
6564 # ifdef FEAT_GUI
6565 need_mouse_correct = TRUE;
6566 # endif
6567 close_others(TRUE, eap->forceit);
6568 }
6569
6570 /*
6571 * ":all" and ":sall".
6572 * Also used for ":tab drop file ..." after setting the argument list.
6573 */
6574 void
6575 ex_all(eap)
6576 exarg_T *eap;
6577 {
6578 if (eap->addr_count == 0)
6579 eap->line2 = 9999;
6580 do_arg_all((int)eap->line2, eap->forceit, eap->cmdidx == CMD_drop);
6581 }
6582 #endif /* FEAT_WINDOWS */
6583
6584 static void
6585 ex_hide(eap)
6586 exarg_T *eap;
6587 {
6588 if (*eap->arg != NUL && check_nextcmd(eap->arg) == NULL)
6589 eap->errmsg = e_invarg;
6590 else
6591 {
6592 /* ":hide" or ":hide | cmd": hide current window */
6593 eap->nextcmd = check_nextcmd(eap->arg);
6594 #ifdef FEAT_WINDOWS
6595 if (!eap->skip)
6596 {
6597 # ifdef FEAT_GUI
6598 need_mouse_correct = TRUE;
6599 # endif
6600 win_close(curwin, FALSE); /* don't free buffer */
6601 }
6602 #endif
6603 }
6604 }
6605
6606 /*
6607 * ":stop" and ":suspend": Suspend Vim.
6608 */
6609 static void
6610 ex_stop(eap)
6611 exarg_T *eap;
6612 {
6613 /*
6614 * Disallow suspending for "rvim".
6615 */
6616 if (!check_restricted()
6617 #ifdef WIN3264
6618 /*
6619 * Check if external commands are allowed now.
6620 */
6621 && can_end_termcap_mode(TRUE)
6622 #endif
6623 )
6624 {
6625 if (!eap->forceit)
6626 autowrite_all();
6627 windgoto((int)Rows - 1, 0);
6628 out_char('\n');
6629 out_flush();
6630 stoptermcap();
6631 out_flush(); /* needed for SUN to restore xterm buffer */
6632 #ifdef FEAT_TITLE
6633 mch_restore_title(3); /* restore window titles */
6634 #endif
6635 ui_suspend(); /* call machine specific function */
6636 #ifdef FEAT_TITLE
6637 maketitle();
6638 resettitle(); /* force updating the title */
6639 #endif
6640 starttermcap();
6641 scroll_start(); /* scroll screen before redrawing */
6642 redraw_later_clear();
6643 shell_resized(); /* may have resized window */
6644 }
6645 }
6646
6647 /*
6648 * ":exit", ":xit" and ":wq": Write file and exit Vim.
6649 */
6650 static void
6651 ex_exit(eap)
6652 exarg_T *eap;
6653 {
6654 #ifdef FEAT_CMDWIN
6655 if (cmdwin_type != 0)
6656 {
6657 cmdwin_result = Ctrl_C;
6658 return;
6659 }
6660 #endif
6661 /* Don't quit while editing the command line. */
6662 if (text_locked())
6663 {
6664 text_locked_msg();
6665 return;
6666 }
6667 #ifdef FEAT_AUTOCMD
6668 if (curbuf_locked())
6669 return;
6670 #endif
6671
6672 /*
6673 * if more files or windows we won't exit
6674 */
6675 if (check_more(FALSE, eap->forceit) == OK && only_one_window())
6676 exiting = TRUE;
6677 if ( ((eap->cmdidx == CMD_wq
6678 || curbufIsChanged())
6679 && do_write(eap) == FAIL)
6680 || check_more(TRUE, eap->forceit) == FAIL
6681 || (only_one_window() && check_changed_any(eap->forceit)))
6682 {
6683 not_exiting();
6684 }
6685 else
6686 {
6687 #ifdef FEAT_WINDOWS
6688 if (only_one_window()) /* quit last window, exit Vim */
6689 #endif
6690 getout(0);
6691 #ifdef FEAT_WINDOWS
6692 # ifdef FEAT_GUI
6693 need_mouse_correct = TRUE;
6694 # endif
6695 /* quit current window, may free buffer */
6696 win_close(curwin, !P_HID(curwin->w_buffer));
6697 #endif
6698 }
6699 }
6700
6701 /*
6702 * ":print", ":list", ":number".
6703 */
6704 static void
6705 ex_print(eap)
6706 exarg_T *eap;
6707 {
6708 if (curbuf->b_ml.ml_flags & ML_EMPTY)
6709 EMSG(_(e_emptybuf));
6710 else
6711 {
6712 for ( ;!got_int; ui_breakcheck())
6713 {
6714 print_line(eap->line1,
6715 (eap->cmdidx == CMD_number || eap->cmdidx == CMD_pound
6716 || (eap->flags & EXFLAG_NR)),
6717 eap->cmdidx == CMD_list || (eap->flags & EXFLAG_LIST));
6718 if (++eap->line1 > eap->line2)
6719 break;
6720 out_flush(); /* show one line at a time */
6721 }
6722 setpcmark();
6723 /* put cursor at last line */
6724 curwin->w_cursor.lnum = eap->line2;
6725 beginline(BL_SOL | BL_FIX);
6726 }
6727
6728 ex_no_reprint = TRUE;
6729 }
6730
6731 #ifdef FEAT_BYTEOFF
6732 static void
6733 ex_goto(eap)
6734 exarg_T *eap;
6735 {
6736 goto_byte(eap->line2);
6737 }
6738 #endif
6739
6740 /*
6741 * ":shell".
6742 */
6743 static void
6744 ex_shell(eap)
6745 exarg_T *eap UNUSED;
6746 {
6747 do_shell(NULL, 0);
6748 }
6749
6750 #if (defined(FEAT_WINDOWS) && defined(HAVE_DROP_FILE)) \
6751 || (defined(FEAT_GUI_GTK) && defined(FEAT_DND)) \
6752 || defined(FEAT_GUI_MSWIN) \
6753 || defined(FEAT_GUI_MAC) \
6754 || defined(PROTO)
6755
6756 /*
6757 * Handle a file drop. The code is here because a drop is *nearly* like an
6758 * :args command, but not quite (we have a list of exact filenames, so we
6759 * don't want to (a) parse a command line, or (b) expand wildcards. So the
6760 * code is very similar to :args and hence needs access to a lot of the static
6761 * functions in this file.
6762 *
6763 * The list should be allocated using alloc(), as should each item in the
6764 * list. This function takes over responsibility for freeing the list.
6765 *
6766 * XXX The list is made into the argument list. This is freed using
6767 * FreeWild(), which does a series of vim_free() calls, unless the two defines
6768 * __EMX__ and __ALWAYS_HAS_TRAILING_NUL_POINTER are set. In this case, a
6769 * routine _fnexplodefree() is used. This may cause problems, but as the drop
6770 * file functionality is (currently) not in EMX this is not presently a
6771 * problem.
6772 */
6773 void
6774 handle_drop(filec, filev, split)
6775 int filec; /* the number of files dropped */
6776 char_u **filev; /* the list of files dropped */
6777 int split; /* force splitting the window */
6778 {
6779 exarg_T ea;
6780 int save_msg_scroll = msg_scroll;
6781
6782 /* Postpone this while editing the command line. */
6783 if (text_locked())
6784 return;
6785 #ifdef FEAT_AUTOCMD
6786 if (curbuf_locked())
6787 return;
6788 #endif
6789 /* When the screen is being updated we should not change buffers and
6790 * windows structures, it may cause freed memory to be used. */
6791 if (updating_screen)
6792 return;
6793
6794 /* Check whether the current buffer is changed. If so, we will need
6795 * to split the current window or data could be lost.
6796 * We don't need to check if the 'hidden' option is set, as in this
6797 * case the buffer won't be lost.
6798 */
6799 if (!P_HID(curbuf) && !split)
6800 {
6801 ++emsg_off;
6802 split = check_changed(curbuf, TRUE, FALSE, FALSE, FALSE);
6803 --emsg_off;
6804 }
6805 if (split)
6806 {
6807 # ifdef FEAT_WINDOWS
6808 if (win_split(0, 0) == FAIL)
6809 return;
6810 # ifdef FEAT_SCROLLBIND
6811 curwin->w_p_scb = FALSE;
6812 # endif
6813
6814 /* When splitting the window, create a new alist. Otherwise the
6815 * existing one is overwritten. */
6816 alist_unlink(curwin->w_alist);
6817 alist_new();
6818 # else
6819 return; /* can't split, always fail */
6820 # endif
6821 }
6822
6823 /*
6824 * Set up the new argument list.
6825 */
6826 alist_set(ALIST(curwin), filec, filev, FALSE, NULL, 0);
6827
6828 /*
6829 * Move to the first file.
6830 */
6831 /* Fake up a minimal "next" command for do_argfile() */
6832 vim_memset(&ea, 0, sizeof(ea));
6833 ea.cmd = (char_u *)"next";
6834 do_argfile(&ea, 0);
6835
6836 /* do_ecmd() may set need_start_insertmode, but since we never left Insert
6837 * mode that is not needed here. */
6838 need_start_insertmode = FALSE;
6839
6840 /* Restore msg_scroll, otherwise a following command may cause scrolling
6841 * unexpectedly. The screen will be redrawn by the caller, thus
6842 * msg_scroll being set by displaying a message is irrelevant. */
6843 msg_scroll = save_msg_scroll;
6844 }
6845 #endif
6846
6847 /*
6848 * Clear an argument list: free all file names and reset it to zero entries.
6849 */
6850 void
6851 alist_clear(al)
6852 alist_T *al;
6853 {
6854 while (--al->al_ga.ga_len >= 0)
6855 vim_free(AARGLIST(al)[al->al_ga.ga_len].ae_fname);
6856 ga_clear(&al->al_ga);
6857 }
6858
6859 /*
6860 * Init an argument list.
6861 */
6862 void
6863 alist_init(al)
6864 alist_T *al;
6865 {
6866 ga_init2(&al->al_ga, (int)sizeof(aentry_T), 5);
6867 }
6868
6869 #if defined(FEAT_WINDOWS) || defined(PROTO)
6870
6871 /*
6872 * Remove a reference from an argument list.
6873 * Ignored when the argument list is the global one.
6874 * If the argument list is no longer used by any window, free it.
6875 */
6876 void
6877 alist_unlink(al)
6878 alist_T *al;
6879 {
6880 if (al != &global_alist && --al->al_refcount <= 0)
6881 {
6882 alist_clear(al);
6883 vim_free(al);
6884 }
6885 }
6886
6887 # if defined(FEAT_LISTCMDS) || defined(HAVE_DROP_FILE) || defined(PROTO)
6888 /*
6889 * Create a new argument list and use it for the current window.
6890 */
6891 void
6892 alist_new()
6893 {
6894 curwin->w_alist = (alist_T *)alloc((unsigned)sizeof(alist_T));
6895 if (curwin->w_alist == NULL)
6896 {
6897 curwin->w_alist = &global_alist;
6898 ++global_alist.al_refcount;
6899 }
6900 else
6901 {
6902 curwin->w_alist->al_refcount = 1;
6903 alist_init(curwin->w_alist);
6904 }
6905 }
6906 # endif
6907 #endif
6908
6909 #if (!defined(UNIX) && !defined(__EMX__)) || defined(ARCHIE) || defined(PROTO)
6910 /*
6911 * Expand the file names in the global argument list.
6912 * If "fnum_list" is not NULL, use "fnum_list[fnum_len]" as a list of buffer
6913 * numbers to be re-used.
6914 */
6915 void
6916 alist_expand(fnum_list, fnum_len)
6917 int *fnum_list;
6918 int fnum_len;
6919 {
6920 char_u **old_arg_files;
6921 int old_arg_count;
6922 char_u **new_arg_files;
6923 int new_arg_file_count;
6924 char_u *save_p_su = p_su;
6925 int i;
6926
6927 /* Don't use 'suffixes' here. This should work like the shell did the
6928 * expansion. Also, the vimrc file isn't read yet, thus the user
6929 * can't set the options. */
6930 p_su = empty_option;
6931 old_arg_files = (char_u **)alloc((unsigned)(sizeof(char_u *) * GARGCOUNT));
6932 if (old_arg_files != NULL)
6933 {
6934 for (i = 0; i < GARGCOUNT; ++i)
6935 old_arg_files[i] = vim_strsave(GARGLIST[i].ae_fname);
6936 old_arg_count = GARGCOUNT;
6937 if (expand_wildcards(old_arg_count, old_arg_files,
6938 &new_arg_file_count, &new_arg_files,
6939 EW_FILE|EW_NOTFOUND|EW_ADDSLASH) == OK
6940 && new_arg_file_count > 0)
6941 {
6942 alist_set(&global_alist, new_arg_file_count, new_arg_files,
6943 TRUE, fnum_list, fnum_len);
6944 FreeWild(old_arg_count, old_arg_files);
6945 }
6946 }
6947 p_su = save_p_su;
6948 }
6949 #endif
6950
6951 /*
6952 * Set the argument list for the current window.
6953 * Takes over the allocated files[] and the allocated fnames in it.
6954 */
6955 void
6956 alist_set(al, count, files, use_curbuf, fnum_list, fnum_len)
6957 alist_T *al;
6958 int count;
6959 char_u **files;
6960 int use_curbuf;
6961 int *fnum_list;
6962 int fnum_len;
6963 {
6964 int i;
6965
6966 alist_clear(al);
6967 if (ga_grow(&al->al_ga, count) == OK)
6968 {
6969 for (i = 0; i < count; ++i)
6970 {
6971 if (got_int)
6972 {
6973 /* When adding many buffers this can take a long time. Allow
6974 * interrupting here. */
6975 while (i < count)
6976 vim_free(files[i++]);
6977 break;
6978 }
6979
6980 /* May set buffer name of a buffer previously used for the
6981 * argument list, so that it's re-used by alist_add. */
6982 if (fnum_list != NULL && i < fnum_len)
6983 buf_set_name(fnum_list[i], files[i]);
6984
6985 alist_add(al, files[i], use_curbuf ? 2 : 1);
6986 ui_breakcheck();
6987 }
6988 vim_free(files);
6989 }
6990 else
6991 FreeWild(count, files);
6992 #ifdef FEAT_WINDOWS
6993 if (al == &global_alist)
6994 #endif
6995 arg_had_last = FALSE;
6996 }
6997
6998 /*
6999 * Add file "fname" to argument list "al".
7000 * "fname" must have been allocated and "al" must have been checked for room.
7001 */
7002 void
7003 alist_add(al, fname, set_fnum)
7004 alist_T *al;
7005 char_u *fname;
7006 int set_fnum; /* 1: set buffer number; 2: re-use curbuf */
7007 {
7008 if (fname == NULL) /* don't add NULL file names */
7009 return;
7010 #ifdef BACKSLASH_IN_FILENAME
7011 slash_adjust(fname);
7012 #endif
7013 AARGLIST(al)[al->al_ga.ga_len].ae_fname = fname;
7014 if (set_fnum > 0)
7015 AARGLIST(al)[al->al_ga.ga_len].ae_fnum =
7016 buflist_add(fname, BLN_LISTED | (set_fnum == 2 ? BLN_CURBUF : 0));
7017 ++al->al_ga.ga_len;
7018 }
7019
7020 #if defined(BACKSLASH_IN_FILENAME) || defined(PROTO)
7021 /*
7022 * Adjust slashes in file names. Called after 'shellslash' was set.
7023 */
7024 void
7025 alist_slash_adjust()
7026 {
7027 int i;
7028 # ifdef FEAT_WINDOWS
7029 win_T *wp;
7030 tabpage_T *tp;
7031 # endif
7032
7033 for (i = 0; i < GARGCOUNT; ++i)
7034 if (GARGLIST[i].ae_fname != NULL)
7035 slash_adjust(GARGLIST[i].ae_fname);
7036 # ifdef FEAT_WINDOWS
7037 FOR_ALL_TAB_WINDOWS(tp, wp)
7038 if (wp->w_alist != &global_alist)
7039 for (i = 0; i < WARGCOUNT(wp); ++i)
7040 if (WARGLIST(wp)[i].ae_fname != NULL)
7041 slash_adjust(WARGLIST(wp)[i].ae_fname);
7042 # endif
7043 }
7044 #endif
7045
7046 /*
7047 * ":preserve".
7048 */
7049 static void
7050 ex_preserve(eap)
7051 exarg_T *eap UNUSED;
7052 {
7053 curbuf->b_flags |= BF_PRESERVED;
7054 ml_preserve(curbuf, TRUE);
7055 }
7056
7057 /*
7058 * ":recover".
7059 */
7060 static void
7061 ex_recover(eap)
7062 exarg_T *eap;
7063 {
7064 /* Set recoverymode right away to avoid the ATTENTION prompt. */
7065 recoverymode = TRUE;
7066 if (!check_changed(curbuf, p_awa, TRUE, eap->forceit, FALSE)
7067 && (*eap->arg == NUL
7068 || setfname(curbuf, eap->arg, NULL, TRUE) == OK))
7069 ml_recover();
7070 recoverymode = FALSE;
7071 }
7072
7073 /*
7074 * Command modifier used in a wrong way.
7075 */
7076 static void
7077 ex_wrongmodifier(eap)
7078 exarg_T *eap;
7079 {
7080 eap->errmsg = e_invcmd;
7081 }
7082
7083 #ifdef FEAT_WINDOWS
7084 /*
7085 * :sview [+command] file split window with new file, read-only
7086 * :split [[+command] file] split window with current or new file
7087 * :vsplit [[+command] file] split window vertically with current or new file
7088 * :new [[+command] file] split window with no or new file
7089 * :vnew [[+command] file] split vertically window with no or new file
7090 * :sfind [+command] file split window with file in 'path'
7091 *
7092 * :tabedit open new Tab page with empty window
7093 * :tabedit [+command] file open new Tab page and edit "file"
7094 * :tabnew [[+command] file] just like :tabedit
7095 * :tabfind [+command] file open new Tab page and find "file"
7096 */
7097 void
7098 ex_splitview(eap)
7099 exarg_T *eap;
7100 {
7101 win_T *old_curwin = curwin;
7102 # if defined(FEAT_SEARCHPATH) || defined(FEAT_BROWSE)
7103 char_u *fname = NULL;
7104 # endif
7105 # ifdef FEAT_BROWSE
7106 int browse_flag = cmdmod.browse;
7107 # endif
7108
7109 # ifndef FEAT_VERTSPLIT
7110 if (eap->cmdidx == CMD_vsplit || eap->cmdidx == CMD_vnew)
7111 {
7112 ex_ni(eap);
7113 return;
7114 }
7115 # endif
7116
7117 # ifdef FEAT_GUI
7118 need_mouse_correct = TRUE;
7119 # endif
7120
7121 # ifdef FEAT_QUICKFIX
7122 /* A ":split" in the quickfix window works like ":new". Don't want two
7123 * quickfix windows. But it's OK when doing ":tab split". */
7124 if (bt_quickfix(curbuf) && cmdmod.tab == 0)
7125 {
7126 if (eap->cmdidx == CMD_split)
7127 eap->cmdidx = CMD_new;
7128 # ifdef FEAT_VERTSPLIT
7129 if (eap->cmdidx == CMD_vsplit)
7130 eap->cmdidx = CMD_vnew;
7131 # endif
7132 }
7133 # endif
7134
7135 # ifdef FEAT_SEARCHPATH
7136 if (eap->cmdidx == CMD_sfind || eap->cmdidx == CMD_tabfind)
7137 {
7138 fname = find_file_in_path(eap->arg, (int)STRLEN(eap->arg),
7139 FNAME_MESS, TRUE, curbuf->b_ffname);
7140 if (fname == NULL)
7141 goto theend;
7142 eap->arg = fname;
7143 }
7144 # ifdef FEAT_BROWSE
7145 else
7146 # endif
7147 # endif
7148 # ifdef FEAT_BROWSE
7149 if (cmdmod.browse
7150 # ifdef FEAT_VERTSPLIT
7151 && eap->cmdidx != CMD_vnew
7152 # endif
7153 && eap->cmdidx != CMD_new)
7154 {
7155 # ifdef FEAT_AUTOCMD
7156 if (
7157 # ifdef FEAT_GUI
7158 !gui.in_use &&
7159 # endif
7160 au_has_group((char_u *)"FileExplorer"))
7161 {
7162 /* No browsing supported but we do have the file explorer:
7163 * Edit the directory. */
7164 if (*eap->arg == NUL || !mch_isdir(eap->arg))
7165 eap->arg = (char_u *)".";
7166 }
7167 else
7168 # endif
7169 {
7170 fname = do_browse(0, (char_u *)_("Edit File in new window"),
7171 eap->arg, NULL, NULL, NULL, curbuf);
7172 if (fname == NULL)
7173 goto theend;
7174 eap->arg = fname;
7175 }
7176 }
7177 cmdmod.browse = FALSE; /* Don't browse again in do_ecmd(). */
7178 # endif
7179
7180 /*
7181 * Either open new tab page or split the window.
7182 */
7183 if (eap->cmdidx == CMD_tabedit
7184 || eap->cmdidx == CMD_tabfind
7185 || eap->cmdidx == CMD_tabnew)
7186 {
7187 if (win_new_tabpage(cmdmod.tab != 0 ? cmdmod.tab
7188 : eap->addr_count == 0 ? 0
7189 : (int)eap->line2 + 1) != FAIL)
7190 {
7191 do_exedit(eap, old_curwin);
7192
7193 /* set the alternate buffer for the window we came from */
7194 if (curwin != old_curwin
7195 && win_valid(old_curwin)
7196 && old_curwin->w_buffer != curbuf
7197 && !cmdmod.keepalt)
7198 old_curwin->w_alt_fnum = curbuf->b_fnum;
7199 }
7200 }
7201 else if (win_split(eap->addr_count > 0 ? (int)eap->line2 : 0,
7202 *eap->cmd == 'v' ? WSP_VERT : 0) != FAIL)
7203 {
7204 # ifdef FEAT_SCROLLBIND
7205 /* Reset 'scrollbind' when editing another file, but keep it when
7206 * doing ":split" without arguments. */
7207 if (*eap->arg != NUL
7208 # ifdef FEAT_BROWSE
7209 || cmdmod.browse
7210 # endif
7211 )
7212 curwin->w_p_scb = FALSE;
7213 else
7214 do_check_scrollbind(FALSE);
7215 # endif
7216 do_exedit(eap, old_curwin);
7217 }
7218
7219 # ifdef FEAT_BROWSE
7220 cmdmod.browse = browse_flag;
7221 # endif
7222
7223 # if defined(FEAT_SEARCHPATH) || defined(FEAT_BROWSE)
7224 theend:
7225 vim_free(fname);
7226 # endif
7227 }
7228
7229 /*
7230 * Open a new tab page.
7231 */
7232 void
7233 tabpage_new()
7234 {
7235 exarg_T ea;
7236
7237 vim_memset(&ea, 0, sizeof(ea));
7238 ea.cmdidx = CMD_tabnew;
7239 ea.cmd = (char_u *)"tabn";
7240 ea.arg = (char_u *)"";
7241 ex_splitview(&ea);
7242 }
7243
7244 /*
7245 * :tabnext command
7246 */
7247 static void
7248 ex_tabnext(eap)
7249 exarg_T *eap;
7250 {
7251 switch (eap->cmdidx)
7252 {
7253 case CMD_tabfirst:
7254 case CMD_tabrewind:
7255 goto_tabpage(1);
7256 break;
7257 case CMD_tablast:
7258 goto_tabpage(9999);
7259 break;
7260 case CMD_tabprevious:
7261 case CMD_tabNext:
7262 goto_tabpage(eap->addr_count == 0 ? -1 : -(int)eap->line2);
7263 break;
7264 default: /* CMD_tabnext */
7265 goto_tabpage(eap->addr_count == 0 ? 0 : (int)eap->line2);
7266 break;
7267 }
7268 }
7269
7270 /*
7271 * :tabmove command
7272 */
7273 static void
7274 ex_tabmove(eap)
7275 exarg_T *eap;
7276 {
7277 tabpage_move(eap->addr_count == 0 ? 9999 : (int)eap->line2);
7278 }
7279
7280 /*
7281 * :tabs command: List tabs and their contents.
7282 */
7283 static void
7284 ex_tabs(eap)
7285 exarg_T *eap UNUSED;
7286 {
7287 tabpage_T *tp;
7288 win_T *wp;
7289 int tabcount = 1;
7290
7291 msg_start();
7292 msg_scroll = TRUE;
7293 for (tp = first_tabpage; tp != NULL && !got_int; tp = tp->tp_next)
7294 {
7295 msg_putchar('\n');
7296 vim_snprintf((char *)IObuff, IOSIZE, _("Tab page %d"), tabcount++);
7297 msg_outtrans_attr(IObuff, hl_attr(HLF_T));
7298 out_flush(); /* output one line at a time */
7299 ui_breakcheck();
7300
7301 if (tp == curtab)
7302 wp = firstwin;
7303 else
7304 wp = tp->tp_firstwin;
7305 for ( ; wp != NULL && !got_int; wp = wp->w_next)
7306 {
7307 msg_putchar('\n');
7308 msg_putchar(wp == curwin ? '>' : ' ');
7309 msg_putchar(' ');
7310 msg_putchar(bufIsChanged(wp->w_buffer) ? '+' : ' ');
7311 msg_putchar(' ');
7312 if (buf_spname(wp->w_buffer) != NULL)
7313 STRCPY(IObuff, buf_spname(wp->w_buffer));
7314 else
7315 home_replace(wp->w_buffer, wp->w_buffer->b_fname,
7316 IObuff, IOSIZE, TRUE);
7317 msg_outtrans(IObuff);
7318 out_flush(); /* output one line at a time */
7319 ui_breakcheck();
7320 }
7321 }
7322 }
7323
7324 #endif /* FEAT_WINDOWS */
7325
7326 /*
7327 * ":mode": Set screen mode.
7328 * If no argument given, just get the screen size and redraw.
7329 */
7330 static void
7331 ex_mode(eap)
7332 exarg_T *eap;
7333 {
7334 if (*eap->arg == NUL)
7335 shell_resized();
7336 else
7337 mch_screenmode(eap->arg);
7338 }
7339
7340 #ifdef FEAT_WINDOWS
7341 /*
7342 * ":resize".
7343 * set, increment or decrement current window height
7344 */
7345 static void
7346 ex_resize(eap)
7347 exarg_T *eap;
7348 {
7349 int n;
7350 win_T *wp = curwin;
7351
7352 if (eap->addr_count > 0)
7353 {
7354 n = eap->line2;
7355 for (wp = firstwin; wp->w_next != NULL && --n > 0; wp = wp->w_next)
7356 ;
7357 }
7358
7359 #ifdef FEAT_GUI
7360 need_mouse_correct = TRUE;
7361 #endif
7362 n = atol((char *)eap->arg);
7363 #ifdef FEAT_VERTSPLIT
7364 if (cmdmod.split & WSP_VERT)
7365 {
7366 if (*eap->arg == '-' || *eap->arg == '+')
7367 n += W_WIDTH(curwin);
7368 else if (n == 0 && eap->arg[0] == NUL) /* default is very wide */
7369 n = 9999;
7370 win_setwidth_win((int)n, wp);
7371 }
7372 else
7373 #endif
7374 {
7375 if (*eap->arg == '-' || *eap->arg == '+')
7376 n += curwin->w_height;
7377 else if (n == 0 && eap->arg[0] == NUL) /* default is very wide */
7378 n = 9999;
7379 win_setheight_win((int)n, wp);
7380 }
7381 }
7382 #endif
7383
7384 /*
7385 * ":find [+command] <file>" command.
7386 */
7387 static void
7388 ex_find(eap)
7389 exarg_T *eap;
7390 {
7391 #ifdef FEAT_SEARCHPATH
7392 char_u *fname;
7393 int count;
7394
7395 fname = find_file_in_path(eap->arg, (int)STRLEN(eap->arg), FNAME_MESS,
7396 TRUE, curbuf->b_ffname);
7397 if (eap->addr_count > 0)
7398 {
7399 /* Repeat finding the file "count" times. This matters when it
7400 * appears several times in the path. */
7401 count = eap->line2;
7402 while (fname != NULL && --count > 0)
7403 {
7404 vim_free(fname);
7405 fname = find_file_in_path(NULL, 0, FNAME_MESS,
7406 FALSE, curbuf->b_ffname);
7407 }
7408 }
7409
7410 if (fname != NULL)
7411 {
7412 eap->arg = fname;
7413 #endif
7414 do_exedit(eap, NULL);
7415 #ifdef FEAT_SEARCHPATH
7416 vim_free(fname);
7417 }
7418 #endif
7419 }
7420
7421 /*
7422 * ":open" simulation: for now just work like ":visual".
7423 */
7424 static void
7425 ex_open(eap)
7426 exarg_T *eap;
7427 {
7428 regmatch_T regmatch;
7429 char_u *p;
7430
7431 curwin->w_cursor.lnum = eap->line2;
7432 beginline(BL_SOL | BL_FIX);
7433 if (*eap->arg == '/')
7434 {
7435 /* ":open /pattern/": put cursor in column found with pattern */
7436 ++eap->arg;
7437 p = skip_regexp(eap->arg, '/', p_magic, NULL);
7438 *p = NUL;
7439 regmatch.regprog = vim_regcomp(eap->arg, p_magic ? RE_MAGIC : 0);
7440 if (regmatch.regprog != NULL)
7441 {
7442 regmatch.rm_ic = p_ic;
7443 p = ml_get_curline();
7444 if (vim_regexec(&regmatch, p, (colnr_T)0))
7445 curwin->w_cursor.col = (colnr_T)(regmatch.startp[0] - p);
7446 else
7447 EMSG(_(e_nomatch));
7448 vim_free(regmatch.regprog);
7449 }
7450 /* Move to the NUL, ignore any other arguments. */
7451 eap->arg += STRLEN(eap->arg);
7452 }
7453 check_cursor();
7454
7455 eap->cmdidx = CMD_visual;
7456 do_exedit(eap, NULL);
7457 }
7458
7459 /*
7460 * ":edit", ":badd", ":visual".
7461 */
7462 static void
7463 ex_edit(eap)
7464 exarg_T *eap;
7465 {
7466 do_exedit(eap, NULL);
7467 }
7468
7469 /*
7470 * ":edit <file>" command and alikes.
7471 */
7472 void
7473 do_exedit(eap, old_curwin)
7474 exarg_T *eap;
7475 win_T *old_curwin; /* curwin before doing a split or NULL */
7476 {
7477 int n;
7478 #ifdef FEAT_WINDOWS
7479 int need_hide;
7480 #endif
7481 int exmode_was = exmode_active;
7482
7483 /*
7484 * ":vi" command ends Ex mode.
7485 */
7486 if (exmode_active && (eap->cmdidx == CMD_visual
7487 || eap->cmdidx == CMD_view))
7488 {
7489 exmode_active = FALSE;
7490 if (*eap->arg == NUL)
7491 {
7492 /* Special case: ":global/pat/visual\NLvi-commands" */
7493 if (global_busy)
7494 {
7495 int rd = RedrawingDisabled;
7496 int nwr = no_wait_return;
7497 int ms = msg_scroll;
7498 #ifdef FEAT_GUI
7499 int he = hold_gui_events;
7500 #endif
7501
7502 if (eap->nextcmd != NULL)
7503 {
7504 stuffReadbuff(eap->nextcmd);
7505 eap->nextcmd = NULL;
7506 }
7507
7508 if (exmode_was != EXMODE_VIM)
7509 settmode(TMODE_RAW);
7510 RedrawingDisabled = 0;
7511 no_wait_return = 0;
7512 need_wait_return = FALSE;
7513 msg_scroll = 0;
7514 #ifdef FEAT_GUI
7515 hold_gui_events = 0;
7516 #endif
7517 must_redraw = CLEAR;
7518
7519 main_loop(FALSE, TRUE);
7520
7521 RedrawingDisabled = rd;
7522 no_wait_return = nwr;
7523 msg_scroll = ms;
7524 #ifdef FEAT_GUI
7525 hold_gui_events = he;
7526 #endif
7527 }
7528 return;
7529 }
7530 }
7531
7532 if ((eap->cmdidx == CMD_new
7533 || eap->cmdidx == CMD_tabnew
7534 || eap->cmdidx == CMD_tabedit
7535 #ifdef FEAT_VERTSPLIT
7536 || eap->cmdidx == CMD_vnew
7537 #endif
7538 ) && *eap->arg == NUL)
7539 {
7540 /* ":new" or ":tabnew" without argument: edit an new empty buffer */
7541 setpcmark();
7542 (void)do_ecmd(0, NULL, NULL, eap, ECMD_ONE,
7543 ECMD_HIDE + (eap->forceit ? ECMD_FORCEIT : 0),
7544 old_curwin == NULL ? curwin : NULL);
7545 }
7546 else if ((eap->cmdidx != CMD_split
7547 #ifdef FEAT_VERTSPLIT
7548 && eap->cmdidx != CMD_vsplit
7549 #endif
7550 )
7551 || *eap->arg != NUL
7552 #ifdef FEAT_BROWSE
7553 || cmdmod.browse
7554 #endif
7555 )
7556 {
7557 #ifdef FEAT_AUTOCMD
7558 /* Can't edit another file when "curbuf_lock" is set. Only ":edit"
7559 * can bring us here, others are stopped earlier. */
7560 if (*eap->arg != NUL && curbuf_locked())
7561 return;
7562 #endif
7563 n = readonlymode;
7564 if (eap->cmdidx == CMD_view || eap->cmdidx == CMD_sview)
7565 readonlymode = TRUE;
7566 else if (eap->cmdidx == CMD_enew)
7567 readonlymode = FALSE; /* 'readonly' doesn't make sense in an
7568 empty buffer */
7569 setpcmark();
7570 if (do_ecmd(0, (eap->cmdidx == CMD_enew ? NULL : eap->arg),
7571 NULL, eap,
7572 /* ":edit" goes to first line if Vi compatible */
7573 (*eap->arg == NUL && eap->do_ecmd_lnum == 0
7574 && vim_strchr(p_cpo, CPO_GOTO1) != NULL)
7575 ? ECMD_ONE : eap->do_ecmd_lnum,
7576 (P_HID(curbuf) ? ECMD_HIDE : 0)
7577 + (eap->forceit ? ECMD_FORCEIT : 0)
7578 #ifdef FEAT_LISTCMDS
7579 + (eap->cmdidx == CMD_badd ? ECMD_ADDBUF : 0 )
7580 #endif
7581 , old_curwin == NULL ? curwin : NULL) == FAIL)
7582 {
7583 /* Editing the file failed. If the window was split, close it. */
7584 #ifdef FEAT_WINDOWS
7585 if (old_curwin != NULL)
7586 {
7587 need_hide = (curbufIsChanged() && curbuf->b_nwindows <= 1);
7588 if (!need_hide || P_HID(curbuf))
7589 {
7590 # if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL)
7591 cleanup_T cs;
7592
7593 /* Reset the error/interrupt/exception state here so that
7594 * aborting() returns FALSE when closing a window. */
7595 enter_cleanup(&cs);
7596 # endif
7597 # ifdef FEAT_GUI
7598 need_mouse_correct = TRUE;
7599 # endif
7600 win_close(curwin, !need_hide && !P_HID(curbuf));
7601
7602 # if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL)
7603 /* Restore the error/interrupt/exception state if not
7604 * discarded by a new aborting error, interrupt, or
7605 * uncaught exception. */
7606 leave_cleanup(&cs);
7607 # endif
7608 }
7609 }
7610 #endif
7611 }
7612 else if (readonlymode && curbuf->b_nwindows == 1)
7613 {
7614 /* When editing an already visited buffer, 'readonly' won't be set
7615 * but the previous value is kept. With ":view" and ":sview" we
7616 * want the file to be readonly, except when another window is
7617 * editing the same buffer. */
7618 curbuf->b_p_ro = TRUE;
7619 }
7620 readonlymode = n;
7621 }
7622 else
7623 {
7624 if (eap->do_ecmd_cmd != NULL)
7625 do_cmdline_cmd(eap->do_ecmd_cmd);
7626 #ifdef FEAT_TITLE
7627 n = curwin->w_arg_idx_invalid;
7628 #endif
7629 check_arg_idx(curwin);
7630 #ifdef FEAT_TITLE
7631 if (n != curwin->w_arg_idx_invalid)
7632 maketitle();
7633 #endif
7634 }
7635
7636 #ifdef FEAT_WINDOWS
7637 /*
7638 * if ":split file" worked, set alternate file name in old window to new
7639 * file
7640 */
7641 if (old_curwin != NULL
7642 && *eap->arg != NUL
7643 && curwin != old_curwin
7644 && win_valid(old_curwin)
7645 && old_curwin->w_buffer != curbuf
7646 && !cmdmod.keepalt)
7647 old_curwin->w_alt_fnum = curbuf->b_fnum;
7648 #endif
7649
7650 ex_no_reprint = TRUE;
7651 }
7652
7653 #ifndef FEAT_GUI
7654 /*
7655 * ":gui" and ":gvim" when there is no GUI.
7656 */
7657 static void
7658 ex_nogui(eap)
7659 exarg_T *eap;
7660 {
7661 eap->errmsg = e_nogvim;
7662 }
7663 #endif
7664
7665 #if defined(FEAT_GUI_W32) && defined(FEAT_MENU) && defined(FEAT_TEAROFF)
7666 static void
7667 ex_tearoff(eap)
7668 exarg_T *eap;
7669 {
7670 gui_make_tearoff(eap->arg);
7671 }
7672 #endif
7673
7674 #if (defined(FEAT_GUI_MSWIN) || defined(FEAT_GUI_GTK)) && defined(FEAT_MENU)
7675 static void
7676 ex_popup(eap)
7677 exarg_T *eap;
7678 {
7679 gui_make_popup(eap->arg, eap->forceit);
7680 }
7681 #endif
7682
7683 static void
7684 ex_swapname(eap)
7685 exarg_T *eap UNUSED;
7686 {
7687 if (curbuf->b_ml.ml_mfp == NULL || curbuf->b_ml.ml_mfp->mf_fname == NULL)
7688 MSG(_("No swap file"));
7689 else
7690 msg(curbuf->b_ml.ml_mfp->mf_fname);
7691 }
7692
7693 /*
7694 * ":syncbind" forces all 'scrollbind' windows to have the same relative
7695 * offset.
7696 * (1998-11-02 16:21:01 R. Edward Ralston <eralston@computer.org>)
7697 */
7698 static void
7699 ex_syncbind(eap)
7700 exarg_T *eap UNUSED;
7701 {
7702 #ifdef FEAT_SCROLLBIND
7703 win_T *wp;
7704 long topline;
7705 long y;
7706 linenr_T old_linenr = curwin->w_cursor.lnum;
7707
7708 setpcmark();
7709
7710 /*
7711 * determine max topline
7712 */
7713 if (curwin->w_p_scb)
7714 {
7715 topline = curwin->w_topline;
7716 for (wp = firstwin; wp; wp = wp->w_next)
7717 {
7718 if (wp->w_p_scb && wp->w_buffer)
7719 {
7720 y = wp->w_buffer->b_ml.ml_line_count - p_so;
7721 if (topline > y)
7722 topline = y;
7723 }
7724 }
7725 if (topline < 1)
7726 topline = 1;
7727 }
7728 else
7729 {
7730 topline = 1;
7731 }
7732
7733
7734 /*
7735 * set all scrollbind windows to the same topline
7736 */
7737 wp = curwin;
7738 for (curwin = firstwin; curwin; curwin = curwin->w_next)
7739 {
7740 if (curwin->w_p_scb)
7741 {
7742 y = topline - curwin->w_topline;
7743 if (y > 0)
7744 scrollup(y, TRUE);
7745 else
7746 scrolldown(-y, TRUE);
7747 curwin->w_scbind_pos = topline;
7748 redraw_later(VALID);
7749 cursor_correct();
7750 #ifdef FEAT_WINDOWS
7751 curwin->w_redr_status = TRUE;
7752 #endif
7753 }
7754 }
7755 curwin = wp;
7756 if (curwin->w_p_scb)
7757 {
7758 did_syncbind = TRUE;
7759 checkpcmark();
7760 if (old_linenr != curwin->w_cursor.lnum)
7761 {
7762 char_u ctrl_o[2];
7763
7764 ctrl_o[0] = Ctrl_O;
7765 ctrl_o[1] = 0;
7766 ins_typebuf(ctrl_o, REMAP_NONE, 0, TRUE, FALSE);
7767 }
7768 }
7769 #endif
7770 }
7771
7772
7773 static void
7774 ex_read(eap)
7775 exarg_T *eap;
7776 {
7777 int i;
7778 int empty = (curbuf->b_ml.ml_flags & ML_EMPTY);
7779 linenr_T lnum;
7780
7781 if (eap->usefilter) /* :r!cmd */
7782 do_bang(1, eap, FALSE, FALSE, TRUE);
7783 else
7784 {
7785 if (u_save(eap->line2, (linenr_T)(eap->line2 + 1)) == FAIL)
7786 return;
7787
7788 #ifdef FEAT_BROWSE
7789 if (cmdmod.browse)
7790 {
7791 char_u *browseFile;
7792
7793 browseFile = do_browse(0, (char_u *)_("Append File"), eap->arg,
7794 NULL, NULL, NULL, curbuf);
7795 if (browseFile != NULL)
7796 {
7797 i = readfile(browseFile, NULL,
7798 eap->line2, (linenr_T)0, (linenr_T)MAXLNUM, eap, 0);
7799 vim_free(browseFile);
7800 }
7801 else
7802 i = OK;
7803 }
7804 else
7805 #endif
7806 if (*eap->arg == NUL)
7807 {
7808 if (check_fname() == FAIL) /* check for no file name */
7809 return;
7810 i = readfile(curbuf->b_ffname, curbuf->b_fname,
7811 eap->line2, (linenr_T)0, (linenr_T)MAXLNUM, eap, 0);
7812 }
7813 else
7814 {
7815 if (vim_strchr(p_cpo, CPO_ALTREAD) != NULL)
7816 (void)setaltfname(eap->arg, eap->arg, (linenr_T)1);
7817 i = readfile(eap->arg, NULL,
7818 eap->line2, (linenr_T)0, (linenr_T)MAXLNUM, eap, 0);
7819
7820 }
7821 if (i == FAIL)
7822 {
7823 #if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL)
7824 if (!aborting())
7825 #endif
7826 EMSG2(_(e_notopen), eap->arg);
7827 }
7828 else
7829 {
7830 if (empty && exmode_active)
7831 {
7832 /* Delete the empty line that remains. Historically ex does
7833 * this but vi doesn't. */
7834 if (eap->line2 == 0)
7835 lnum = curbuf->b_ml.ml_line_count;
7836 else
7837 lnum = 1;
7838 if (*ml_get(lnum) == NUL && u_savedel(lnum, 1L) == OK)
7839 {
7840 ml_delete(lnum, FALSE);
7841 deleted_lines_mark(lnum, 1L);
7842 if (curwin->w_cursor.lnum > 1
7843 && curwin->w_cursor.lnum >= lnum)
7844 --curwin->w_cursor.lnum;
7845 }
7846 }
7847 redraw_curbuf_later(VALID);
7848 }
7849 }
7850 }
7851
7852 static char_u *prev_dir = NULL;
7853
7854 #if defined(EXITFREE) || defined(PROTO)
7855 void
7856 free_cd_dir()
7857 {
7858 vim_free(prev_dir);
7859 prev_dir = NULL;
7860
7861 vim_free(globaldir);
7862 globaldir = NULL;
7863 }
7864 #endif
7865
7866
7867 /*
7868 * ":cd", ":lcd", ":chdir" and ":lchdir".
7869 */
7870 void
7871 ex_cd(eap)
7872 exarg_T *eap;
7873 {
7874 char_u *new_dir;
7875 char_u *tofree;
7876
7877 new_dir = eap->arg;
7878 #if !defined(UNIX) && !defined(VMS)
7879 /* for non-UNIX ":cd" means: print current directory */
7880 if (*new_dir == NUL)
7881 ex_pwd(NULL);
7882 else
7883 #endif
7884 {
7885 #ifdef FEAT_AUTOCMD
7886 if (allbuf_locked())
7887 return;
7888 #endif
7889 if (vim_strchr(p_cpo, CPO_CHDIR) != NULL && curbufIsChanged()
7890 && !eap->forceit)
7891 {
7892 EMSG(_("E747: Cannot change directory, buffer is modified (add ! to override)"));
7893 return;
7894 }
7895
7896 /* ":cd -": Change to previous directory */
7897 if (STRCMP(new_dir, "-") == 0)
7898 {
7899 if (prev_dir == NULL)
7900 {
7901 EMSG(_("E186: No previous directory"));
7902 return;
7903 }
7904 new_dir = prev_dir;
7905 }
7906
7907 /* Save current directory for next ":cd -" */
7908 tofree = prev_dir;
7909 if (mch_dirname(NameBuff, MAXPATHL) == OK)
7910 prev_dir = vim_strsave(NameBuff);
7911 else
7912 prev_dir = NULL;
7913
7914 #if defined(UNIX) || defined(VMS)
7915 /* for UNIX ":cd" means: go to home directory */
7916 if (*new_dir == NUL)
7917 {
7918 /* use NameBuff for home directory name */
7919 # ifdef VMS
7920 char_u *p;
7921
7922 p = mch_getenv((char_u *)"SYS$LOGIN");
7923 if (p == NULL || *p == NUL) /* empty is the same as not set */
7924 NameBuff[0] = NUL;
7925 else
7926 vim_strncpy(NameBuff, p, MAXPATHL - 1);
7927 # else
7928 expand_env((char_u *)"$HOME", NameBuff, MAXPATHL);
7929 # endif
7930 new_dir = NameBuff;
7931 }
7932 #endif
7933 if (new_dir == NULL || vim_chdir(new_dir))
7934 EMSG(_(e_failed));
7935 else
7936 {
7937 vim_free(curwin->w_localdir);
7938 if (eap->cmdidx == CMD_lcd || eap->cmdidx == CMD_lchdir)
7939 {
7940 /* If still in global directory, need to remember current
7941 * directory as global directory. */
7942 if (globaldir == NULL && prev_dir != NULL)
7943 globaldir = vim_strsave(prev_dir);
7944 /* Remember this local directory for the window. */
7945 if (mch_dirname(NameBuff, MAXPATHL) == OK)
7946 curwin->w_localdir = vim_strsave(NameBuff);
7947 }
7948 else
7949 {
7950 /* We are now in the global directory, no need to remember its
7951 * name. */
7952 vim_free(globaldir);
7953 globaldir = NULL;
7954 curwin->w_localdir = NULL;
7955 }
7956
7957 shorten_fnames(TRUE);
7958
7959 /* Echo the new current directory if the command was typed. */
7960 if (KeyTyped)
7961 ex_pwd(eap);
7962 }
7963 vim_free(tofree);
7964 }
7965 }
7966
7967 /*
7968 * ":pwd".
7969 */
7970 static void
7971 ex_pwd(eap)
7972 exarg_T *eap UNUSED;
7973 {
7974 if (mch_dirname(NameBuff, MAXPATHL) == OK)
7975 {
7976 #ifdef BACKSLASH_IN_FILENAME
7977 slash_adjust(NameBuff);
7978 #endif
7979 msg(NameBuff);
7980 }
7981 else
7982 EMSG(_("E187: Unknown"));
7983 }
7984
7985 /*
7986 * ":=".
7987 */
7988 static void
7989 ex_equal(eap)
7990 exarg_T *eap;
7991 {
7992 smsg((char_u *)"%ld", (long)eap->line2);
7993 ex_may_print(eap);
7994 }
7995
7996 static void
7997 ex_sleep(eap)
7998 exarg_T *eap;
7999 {
8000 int n;
8001 long len;
8002
8003 if (cursor_valid())
8004 {
8005 n = W_WINROW(curwin) + curwin->w_wrow - msg_scrolled;
8006 if (n >= 0)
8007 windgoto((int)n, curwin->w_wcol);
8008 }
8009
8010 len = eap->line2;
8011 switch (*eap->arg)
8012 {
8013 case 'm': break;
8014 case NUL: len *= 1000L; break;
8015 default: EMSG2(_(e_invarg2), eap->arg); return;
8016 }
8017 do_sleep(len);
8018 }
8019
8020 /*
8021 * Sleep for "msec" milliseconds, but keep checking for a CTRL-C every second.
8022 */
8023 void
8024 do_sleep(msec)
8025 long msec;
8026 {
8027 long done;
8028
8029 cursor_on();
8030 out_flush();
8031 for (done = 0; !got_int && done < msec; done += 1000L)
8032 {
8033 ui_delay(msec - done > 1000L ? 1000L : msec - done, TRUE);
8034 ui_breakcheck();
8035 }
8036 }
8037
8038 static void
8039 do_exmap(eap, isabbrev)
8040 exarg_T *eap;
8041 int isabbrev;
8042 {
8043 int mode;
8044 char_u *cmdp;
8045
8046 cmdp = eap->cmd;
8047 mode = get_map_mode(&cmdp, eap->forceit || isabbrev);
8048
8049 switch (do_map((*cmdp == 'n') ? 2 : (*cmdp == 'u'),
8050 eap->arg, mode, isabbrev))
8051 {
8052 case 1: EMSG(_(e_invarg));
8053 break;
8054 case 2: EMSG(isabbrev ? _(e_noabbr) : _(e_nomap));
8055 break;
8056 }
8057 }
8058
8059 /*
8060 * ":winsize" command (obsolete).
8061 */
8062 static void
8063 ex_winsize(eap)
8064 exarg_T *eap;
8065 {
8066 int w, h;
8067 char_u *arg = eap->arg;
8068 char_u *p;
8069
8070 w = getdigits(&arg);
8071 arg = skipwhite(arg);
8072 p = arg;
8073 h = getdigits(&arg);
8074 if (*p != NUL && *arg == NUL)
8075 set_shellsize(w, h, TRUE);
8076 else
8077 EMSG(_("E465: :winsize requires two number arguments"));
8078 }
8079
8080 #ifdef FEAT_WINDOWS
8081 static void
8082 ex_wincmd(eap)
8083 exarg_T *eap;
8084 {
8085 int xchar = NUL;
8086 char_u *p;
8087
8088 if (*eap->arg == 'g' || *eap->arg == Ctrl_G)
8089 {
8090 /* CTRL-W g and CTRL-W CTRL-G have an extra command character */
8091 if (eap->arg[1] == NUL)
8092 {
8093 EMSG(_(e_invarg));
8094 return;
8095 }
8096 xchar = eap->arg[1];
8097 p = eap->arg + 2;
8098 }
8099 else
8100 p = eap->arg + 1;
8101
8102 eap->nextcmd = check_nextcmd(p);
8103 p = skipwhite(p);
8104 if (*p != NUL && *p != '"' && eap->nextcmd == NULL)
8105 EMSG(_(e_invarg));
8106 else
8107 {
8108 /* Pass flags on for ":vertical wincmd ]". */
8109 postponed_split_flags = cmdmod.split;
8110 postponed_split_tab = cmdmod.tab;
8111 do_window(*eap->arg, eap->addr_count > 0 ? eap->line2 : 0L, xchar);
8112 postponed_split_flags = 0;
8113 postponed_split_tab = 0;
8114 }
8115 }
8116 #endif
8117
8118 #if defined(FEAT_GUI) || defined(UNIX) || defined(VMS) || defined(MSWIN)
8119 /*
8120 * ":winpos".
8121 */
8122 static void
8123 ex_winpos(eap)
8124 exarg_T *eap;
8125 {
8126 int x, y;
8127 char_u *arg = eap->arg;
8128 char_u *p;
8129
8130 if (*arg == NUL)
8131 {
8132 # if defined(FEAT_GUI) || defined(MSWIN)
8133 # ifdef FEAT_GUI
8134 if (gui.in_use && gui_mch_get_winpos(&x, &y) != FAIL)
8135 # else
8136 if (mch_get_winpos(&x, &y) != FAIL)
8137 # endif
8138 {
8139 sprintf((char *)IObuff, _("Window position: X %d, Y %d"), x, y);
8140 msg(IObuff);
8141 }
8142 else
8143 # endif
8144 EMSG(_("E188: Obtaining window position not implemented for this platform"));
8145 }
8146 else
8147 {
8148 x = getdigits(&arg);
8149 arg = skipwhite(arg);
8150 p = arg;
8151 y = getdigits(&arg);
8152 if (*p == NUL || *arg != NUL)
8153 {
8154 EMSG(_("E466: :winpos requires two number arguments"));
8155 return;
8156 }
8157 # ifdef FEAT_GUI
8158 if (gui.in_use)
8159 gui_mch_set_winpos(x, y);
8160 else if (gui.starting)
8161 {
8162 /* Remember the coordinates for when the window is opened. */
8163 gui_win_x = x;
8164 gui_win_y = y;
8165 }
8166 # ifdef HAVE_TGETENT
8167 else
8168 # endif
8169 # else
8170 # ifdef MSWIN
8171 mch_set_winpos(x, y);
8172 # endif
8173 # endif
8174 # ifdef HAVE_TGETENT
8175 if (*T_CWP)
8176 term_set_winpos(x, y);
8177 # endif
8178 }
8179 }
8180 #endif
8181
8182 /*
8183 * Handle command that work like operators: ":delete", ":yank", ":>" and ":<".
8184 */
8185 static void
8186 ex_operators(eap)
8187 exarg_T *eap;
8188 {
8189 oparg_T oa;
8190
8191 clear_oparg(&oa);
8192 oa.regname = eap->regname;
8193 oa.start.lnum = eap->line1;
8194 oa.end.lnum = eap->line2;
8195 oa.line_count = eap->line2 - eap->line1 + 1;
8196 oa.motion_type = MLINE;
8197 #ifdef FEAT_VIRTUALEDIT
8198 virtual_op = FALSE;
8199 #endif
8200 if (eap->cmdidx != CMD_yank) /* position cursor for undo */
8201 {
8202 setpcmark();
8203 curwin->w_cursor.lnum = eap->line1;
8204 beginline(BL_SOL | BL_FIX);
8205 }
8206
8207 switch (eap->cmdidx)
8208 {
8209 case CMD_delete:
8210 oa.op_type = OP_DELETE;
8211 op_delete(&oa);
8212 break;
8213
8214 case CMD_yank:
8215 oa.op_type = OP_YANK;
8216 (void)op_yank(&oa, FALSE, TRUE);
8217 break;
8218
8219 default: /* CMD_rshift or CMD_lshift */
8220 if ((eap->cmdidx == CMD_rshift)
8221 #ifdef FEAT_RIGHTLEFT
8222 ^ curwin->w_p_rl
8223 #endif
8224 )
8225 oa.op_type = OP_RSHIFT;
8226 else
8227 oa.op_type = OP_LSHIFT;
8228 op_shift(&oa, FALSE, eap->amount);
8229 break;
8230 }
8231 #ifdef FEAT_VIRTUALEDIT
8232 virtual_op = MAYBE;
8233 #endif
8234 ex_may_print(eap);
8235 }
8236
8237 /*
8238 * ":put".
8239 */
8240 static void
8241 ex_put(eap)
8242 exarg_T *eap;
8243 {
8244 /* ":0put" works like ":1put!". */
8245 if (eap->line2 == 0)
8246 {
8247 eap->line2 = 1;
8248 eap->forceit = TRUE;
8249 }
8250 curwin->w_cursor.lnum = eap->line2;
8251 do_put(eap->regname, eap->forceit ? BACKWARD : FORWARD, 1L,
8252 PUT_LINE|PUT_CURSLINE);
8253 }
8254
8255 /*
8256 * Handle ":copy" and ":move".
8257 */
8258 static void
8259 ex_copymove(eap)
8260 exarg_T *eap;
8261 {
8262 long n;
8263
8264 n = get_address(&eap->arg, FALSE, FALSE);
8265 if (eap->arg == NULL) /* error detected */
8266 {
8267 eap->nextcmd = NULL;
8268 return;
8269 }
8270 get_flags(eap);
8271
8272 /*
8273 * move or copy lines from 'eap->line1'-'eap->line2' to below line 'n'
8274 */
8275 if (n == MAXLNUM || n < 0 || n > curbuf->b_ml.ml_line_count)
8276 {
8277 EMSG(_(e_invaddr));
8278 return;
8279 }
8280
8281 if (eap->cmdidx == CMD_move)
8282 {
8283 if (do_move(eap->line1, eap->line2, n) == FAIL)
8284 return;
8285 }
8286 else
8287 ex_copy(eap->line1, eap->line2, n);
8288 u_clearline();
8289 beginline(BL_SOL | BL_FIX);
8290 ex_may_print(eap);
8291 }
8292
8293 /*
8294 * Print the current line if flags were given to the Ex command.
8295 */
8296 static void
8297 ex_may_print(eap)
8298 exarg_T *eap;
8299 {
8300 if (eap->flags != 0)
8301 {
8302 print_line(curwin->w_cursor.lnum, (eap->flags & EXFLAG_NR),
8303 (eap->flags & EXFLAG_LIST));
8304 ex_no_reprint = TRUE;
8305 }
8306 }
8307
8308 /*
8309 * ":smagic" and ":snomagic".
8310 */
8311 static void
8312 ex_submagic(eap)
8313 exarg_T *eap;
8314 {
8315 int magic_save = p_magic;
8316
8317 p_magic = (eap->cmdidx == CMD_smagic);
8318 do_sub(eap);
8319 p_magic = magic_save;
8320 }
8321
8322 /*
8323 * ":join".
8324 */
8325 static void
8326 ex_join(eap)
8327 exarg_T *eap;
8328 {
8329 curwin->w_cursor.lnum = eap->line1;
8330 if (eap->line1 == eap->line2)
8331 {
8332 if (eap->addr_count >= 2) /* :2,2join does nothing */
8333 return;
8334 if (eap->line2 == curbuf->b_ml.ml_line_count)
8335 {
8336 beep_flush();
8337 return;
8338 }
8339 ++eap->line2;
8340 }
8341 do_do_join(eap->line2 - eap->line1 + 1, !eap->forceit);
8342 beginline(BL_WHITE | BL_FIX);
8343 ex_may_print(eap);
8344 }
8345
8346 /*
8347 * ":[addr]@r" or ":[addr]*r": execute register
8348 */
8349 static void
8350 ex_at(eap)
8351 exarg_T *eap;
8352 {
8353 int c;
8354
8355 curwin->w_cursor.lnum = eap->line2;
8356
8357 #ifdef USE_ON_FLY_SCROLL
8358 dont_scroll = TRUE; /* disallow scrolling here */
8359 #endif
8360
8361 /* get the register name. No name means to use the previous one */
8362 c = *eap->arg;
8363 if (c == NUL || (c == '*' && *eap->cmd == '*'))
8364 c = '@';
8365 /* Put the register in the typeahead buffer with the "silent" flag. */
8366 if (do_execreg(c, TRUE, vim_strchr(p_cpo, CPO_EXECBUF) != NULL, TRUE)
8367 == FAIL)
8368 {
8369 beep_flush();
8370 }
8371 else
8372 {
8373 int save_efr = exec_from_reg;
8374
8375 exec_from_reg = TRUE;
8376
8377 /*
8378 * Execute from the typeahead buffer.
8379 * Originally this didn't check for the typeahead buffer to be empty,
8380 * thus could read more Ex commands from stdin. It's not clear why,
8381 * it is certainly unexpected.
8382 */
8383 while ((!stuff_empty() || typebuf.tb_len > 0) && vpeekc() == ':')
8384 (void)do_cmdline(NULL, getexline, NULL, DOCMD_NOWAIT|DOCMD_VERBOSE);
8385
8386 exec_from_reg = save_efr;
8387 }
8388 }
8389
8390 /*
8391 * ":!".
8392 */
8393 static void
8394 ex_bang(eap)
8395 exarg_T *eap;
8396 {
8397 do_bang(eap->addr_count, eap, eap->forceit, TRUE, TRUE);
8398 }
8399
8400 /*
8401 * ":undo".
8402 */
8403 static void
8404 ex_undo(eap)
8405 exarg_T *eap UNUSED;
8406 {
8407 if (eap->addr_count == 1) /* :undo 123 */
8408 undo_time(eap->line2, FALSE, TRUE);
8409 else
8410 u_undo(1);
8411 }
8412
8413 /*
8414 * ":redo".
8415 */
8416 static void
8417 ex_redo(eap)
8418 exarg_T *eap UNUSED;
8419 {
8420 u_redo(1);
8421 }
8422
8423 /*
8424 * ":earlier" and ":later".
8425 */
8426 static void
8427 ex_later(eap)
8428 exarg_T *eap;
8429 {
8430 long count = 0;
8431 int sec = FALSE;
8432 char_u *p = eap->arg;
8433
8434 if (*p == NUL)
8435 count = 1;
8436 else if (isdigit(*p))
8437 {
8438 count = getdigits(&p);
8439 switch (*p)
8440 {
8441 case 's': ++p; sec = TRUE; break;
8442 case 'm': ++p; sec = TRUE; count *= 60; break;
8443 case 'h': ++p; sec = TRUE; count *= 60 * 60; break;
8444 }
8445 }
8446
8447 if (*p != NUL)
8448 EMSG2(_(e_invarg2), eap->arg);
8449 else
8450 undo_time(eap->cmdidx == CMD_earlier ? -count : count, sec, FALSE);
8451 }
8452
8453 /*
8454 * ":redir": start/stop redirection.
8455 */
8456 static void
8457 ex_redir(eap)
8458 exarg_T *eap;
8459 {
8460 char *mode;
8461 char_u *fname;
8462 char_u *arg = eap->arg;
8463
8464 if (STRICMP(eap->arg, "END") == 0)
8465 close_redir();
8466 else
8467 {
8468 if (*arg == '>')
8469 {
8470 ++arg;
8471 if (*arg == '>')
8472 {
8473 ++arg;
8474 mode = "a";
8475 }
8476 else
8477 mode = "w";
8478 arg = skipwhite(arg);
8479
8480 close_redir();
8481
8482 /* Expand environment variables and "~/". */
8483 fname = expand_env_save(arg);
8484 if (fname == NULL)
8485 return;
8486 #ifdef FEAT_BROWSE
8487 if (cmdmod.browse)
8488 {
8489 char_u *browseFile;
8490
8491 browseFile = do_browse(BROWSE_SAVE,
8492 (char_u *)_("Save Redirection"),
8493 fname, NULL, NULL, BROWSE_FILTER_ALL_FILES, curbuf);
8494 if (browseFile == NULL)
8495 return; /* operation cancelled */
8496 vim_free(fname);
8497 fname = browseFile;
8498 eap->forceit = TRUE; /* since dialog already asked */
8499 }
8500 #endif
8501
8502 redir_fd = open_exfile(fname, eap->forceit, mode);
8503 vim_free(fname);
8504 }
8505 #ifdef FEAT_EVAL
8506 else if (*arg == '@')
8507 {
8508 /* redirect to a register a-z (resp. A-Z for appending) */
8509 close_redir();
8510 ++arg;
8511 if (ASCII_ISALPHA(*arg)
8512 # ifdef FEAT_CLIPBOARD
8513 || *arg == '*'
8514 || *arg == '+'
8515 # endif
8516 || *arg == '"')
8517 {
8518 redir_reg = *arg++;
8519 if (*arg == '>' && arg[1] == '>') /* append */
8520 arg += 2;
8521 else
8522 {
8523 /* Can use both "@a" and "@a>". */
8524 if (*arg == '>')
8525 arg++;
8526 /* Make register empty when not using @A-@Z and the
8527 * command is valid. */
8528 if (*arg == NUL && !isupper(redir_reg))
8529 write_reg_contents(redir_reg, (char_u *)"", -1, FALSE);
8530 }
8531 }
8532 if (*arg != NUL)
8533 {
8534 redir_reg = 0;
8535 EMSG2(_(e_invarg2), eap->arg);
8536 }
8537 }
8538 else if (*arg == '=' && arg[1] == '>')
8539 {
8540 int append;
8541
8542 /* redirect to a variable */
8543 close_redir();
8544 arg += 2;
8545
8546 if (*arg == '>')
8547 {
8548 ++arg;
8549 append = TRUE;
8550 }
8551 else
8552 append = FALSE;
8553
8554 if (var_redir_start(skipwhite(arg), append) == OK)
8555 redir_vname = 1;
8556 }
8557 #endif
8558
8559 /* TODO: redirect to a buffer */
8560
8561 else
8562 EMSG2(_(e_invarg2), eap->arg);
8563 }
8564
8565 /* Make sure redirection is not off. Can happen for cmdline completion
8566 * that indirectly invokes a command to catch its output. */
8567 if (redir_fd != NULL
8568 #ifdef FEAT_EVAL
8569 || redir_reg || redir_vname
8570 #endif
8571 )
8572 redir_off = FALSE;
8573 }
8574
8575 /*
8576 * ":redraw": force redraw
8577 */
8578 static void
8579 ex_redraw(eap)
8580 exarg_T *eap;
8581 {
8582 int r = RedrawingDisabled;
8583 int p = p_lz;
8584
8585 RedrawingDisabled = 0;
8586 p_lz = FALSE;
8587 update_topline();
8588 update_screen(eap->forceit ? CLEAR :
8589 #ifdef FEAT_VISUAL
8590 VIsual_active ? INVERTED :
8591 #endif
8592 0);
8593 #ifdef FEAT_TITLE
8594 if (need_maketitle)
8595 maketitle();
8596 #endif
8597 RedrawingDisabled = r;
8598 p_lz = p;
8599
8600 /* Reset msg_didout, so that a message that's there is overwritten. */
8601 msg_didout = FALSE;
8602 msg_col = 0;
8603
8604 out_flush();
8605 }
8606
8607 /*
8608 * ":redrawstatus": force redraw of status line(s)
8609 */
8610 static void
8611 ex_redrawstatus(eap)
8612 exarg_T *eap UNUSED;
8613 {
8614 #if defined(FEAT_WINDOWS)
8615 int r = RedrawingDisabled;
8616 int p = p_lz;
8617
8618 RedrawingDisabled = 0;
8619 p_lz = FALSE;
8620 if (eap->forceit)
8621 status_redraw_all();
8622 else
8623 status_redraw_curbuf();
8624 update_screen(
8625 # ifdef FEAT_VISUAL
8626 VIsual_active ? INVERTED :
8627 # endif
8628 0);
8629 RedrawingDisabled = r;
8630 p_lz = p;
8631 out_flush();
8632 #endif
8633 }
8634
8635 static void
8636 close_redir()
8637 {
8638 if (redir_fd != NULL)
8639 {
8640 fclose(redir_fd);
8641 redir_fd = NULL;
8642 }
8643 #ifdef FEAT_EVAL
8644 redir_reg = 0;
8645 if (redir_vname)
8646 {
8647 var_redir_stop();
8648 redir_vname = 0;
8649 }
8650 #endif
8651 }
8652
8653 #if defined(FEAT_SESSION) && defined(USE_CRNL)
8654 # define MKSESSION_NL
8655 static int mksession_nl = FALSE; /* use NL only in put_eol() */
8656 #endif
8657
8658 /*
8659 * ":mkexrc", ":mkvimrc", ":mkview" and ":mksession".
8660 */
8661 static void
8662 ex_mkrc(eap)
8663 exarg_T *eap;
8664 {
8665 FILE *fd;
8666 int failed = FALSE;
8667 char_u *fname;
8668 #ifdef FEAT_BROWSE
8669 char_u *browseFile = NULL;
8670 #endif
8671 #ifdef FEAT_SESSION
8672 int view_session = FALSE;
8673 int using_vdir = FALSE; /* using 'viewdir'? */
8674 char_u *viewFile = NULL;
8675 unsigned *flagp;
8676 #endif
8677
8678 if (eap->cmdidx == CMD_mksession || eap->cmdidx == CMD_mkview)
8679 {
8680 #ifdef FEAT_SESSION
8681 view_session = TRUE;
8682 #else
8683 ex_ni(eap);
8684 return;
8685 #endif
8686 }
8687
8688 #ifdef FEAT_SESSION
8689 did_lcd = FALSE;
8690
8691 /* ":mkview" or ":mkview 9": generate file name with 'viewdir' */
8692 if (eap->cmdidx == CMD_mkview
8693 && (*eap->arg == NUL
8694 || (vim_isdigit(*eap->arg) && eap->arg[1] == NUL)))
8695 {
8696 eap->forceit = TRUE;
8697 fname = get_view_file(*eap->arg);
8698 if (fname == NULL)
8699 return;
8700 viewFile = fname;
8701 using_vdir = TRUE;
8702 }
8703 else
8704 #endif
8705 if (*eap->arg != NUL)
8706 fname = eap->arg;
8707 else if (eap->cmdidx == CMD_mkvimrc)
8708 fname = (char_u *)VIMRC_FILE;
8709 #ifdef FEAT_SESSION
8710 else if (eap->cmdidx == CMD_mksession)
8711 fname = (char_u *)SESSION_FILE;
8712 #endif
8713 else
8714 fname = (char_u *)EXRC_FILE;
8715
8716 #ifdef FEAT_BROWSE
8717 if (cmdmod.browse)
8718 {
8719 browseFile = do_browse(BROWSE_SAVE,
8720 # ifdef FEAT_SESSION
8721 eap->cmdidx == CMD_mkview ? (char_u *)_("Save View") :
8722 eap->cmdidx == CMD_mksession ? (char_u *)_("Save Session") :
8723 # endif
8724 (char_u *)_("Save Setup"),
8725 fname, (char_u *)"vim", NULL, BROWSE_FILTER_MACROS, NULL);
8726 if (browseFile == NULL)
8727 goto theend;
8728 fname = browseFile;
8729 eap->forceit = TRUE; /* since dialog already asked */
8730 }
8731 #endif
8732
8733 #if defined(FEAT_SESSION) && defined(vim_mkdir)
8734 /* When using 'viewdir' may have to create the directory. */
8735 if (using_vdir && !mch_isdir(p_vdir))
8736 vim_mkdir_emsg(p_vdir, 0755);
8737 #endif
8738
8739 fd = open_exfile(fname, eap->forceit, WRITEBIN);
8740 if (fd != NULL)
8741 {
8742 #ifdef FEAT_SESSION
8743 if (eap->cmdidx == CMD_mkview)
8744 flagp = &vop_flags;
8745 else
8746 flagp = &ssop_flags;
8747 #endif
8748
8749 #ifdef MKSESSION_NL
8750 /* "unix" in 'sessionoptions': use NL line separator */
8751 if (view_session && (*flagp & SSOP_UNIX))
8752 mksession_nl = TRUE;
8753 #endif
8754
8755 /* Write the version command for :mkvimrc */
8756 if (eap->cmdidx == CMD_mkvimrc)
8757 (void)put_line(fd, "version 6.0");
8758
8759 #ifdef FEAT_SESSION
8760 if (eap->cmdidx == CMD_mksession)
8761 {
8762 if (put_line(fd, "let SessionLoad = 1") == FAIL)
8763 failed = TRUE;
8764 }
8765
8766 if (eap->cmdidx != CMD_mkview)
8767 #endif
8768 {
8769 /* Write setting 'compatible' first, because it has side effects.
8770 * For that same reason only do it when needed. */
8771 if (p_cp)
8772 (void)put_line(fd, "if !&cp | set cp | endif");
8773 else
8774 (void)put_line(fd, "if &cp | set nocp | endif");
8775 }
8776
8777 #ifdef FEAT_SESSION
8778 if (!view_session
8779 || (eap->cmdidx == CMD_mksession
8780 && (*flagp & SSOP_OPTIONS)))
8781 #endif
8782 failed |= (makemap(fd, NULL) == FAIL
8783 || makeset(fd, OPT_GLOBAL, FALSE) == FAIL);
8784
8785 #ifdef FEAT_SESSION
8786 if (!failed && view_session)
8787 {
8788 if (put_line(fd, "let s:so_save = &so | let s:siso_save = &siso | set so=0 siso=0") == FAIL)
8789 failed = TRUE;
8790 if (eap->cmdidx == CMD_mksession)
8791 {
8792 char_u dirnow[MAXPATHL]; /* current directory */
8793
8794 /*
8795 * Change to session file's dir.
8796 */
8797 if (mch_dirname(dirnow, MAXPATHL) == FAIL
8798 || mch_chdir((char *)dirnow) != 0)
8799 *dirnow = NUL;
8800 if (*dirnow != NUL && (ssop_flags & SSOP_SESDIR))
8801 {
8802 if (vim_chdirfile(fname) == OK)
8803 shorten_fnames(TRUE);
8804 }
8805 else if (*dirnow != NUL
8806 && (ssop_flags & SSOP_CURDIR) && globaldir != NULL)
8807 {
8808 if (mch_chdir((char *)globaldir) == 0)
8809 shorten_fnames(TRUE);
8810 }
8811
8812 failed |= (makeopens(fd, dirnow) == FAIL);
8813
8814 /* restore original dir */
8815 if (*dirnow != NUL && ((ssop_flags & SSOP_SESDIR)
8816 || ((ssop_flags & SSOP_CURDIR) && globaldir != NULL)))
8817 {
8818 if (mch_chdir((char *)dirnow) != 0)
8819 EMSG(_(e_prev_dir));
8820 shorten_fnames(TRUE);
8821 }
8822 }
8823 else
8824 {
8825 failed |= (put_view(fd, curwin, !using_vdir, flagp,
8826 -1) == FAIL);
8827 }
8828 if (put_line(fd, "let &so = s:so_save | let &siso = s:siso_save")
8829 == FAIL)
8830 failed = TRUE;
8831 if (put_line(fd, "doautoall SessionLoadPost") == FAIL)
8832 failed = TRUE;
8833 if (eap->cmdidx == CMD_mksession)
8834 {
8835 if (put_line(fd, "unlet SessionLoad") == FAIL)
8836 failed = TRUE;
8837 }
8838 }
8839 #endif
8840 if (put_line(fd, "\" vim: set ft=vim :") == FAIL)
8841 failed = TRUE;
8842
8843 failed |= fclose(fd);
8844
8845 if (failed)
8846 EMSG(_(e_write));
8847 #if defined(FEAT_EVAL) && defined(FEAT_SESSION)
8848 else if (eap->cmdidx == CMD_mksession)
8849 {
8850 /* successful session write - set this_session var */
8851 char_u tbuf[MAXPATHL];
8852
8853 if (vim_FullName(fname, tbuf, MAXPATHL, FALSE) == OK)
8854 set_vim_var_string(VV_THIS_SESSION, tbuf, -1);
8855 }
8856 #endif
8857 #ifdef MKSESSION_NL
8858 mksession_nl = FALSE;
8859 #endif
8860 }
8861
8862 #ifdef FEAT_BROWSE
8863 theend:
8864 vim_free(browseFile);
8865 #endif
8866 #ifdef FEAT_SESSION
8867 vim_free(viewFile);
8868 #endif
8869 }
8870
8871 #if ((defined(FEAT_SESSION) || defined(FEAT_EVAL)) && defined(vim_mkdir)) \
8872 || defined(PROTO)
8873 int
8874 vim_mkdir_emsg(name, prot)
8875 char_u *name;
8876 int prot UNUSED;
8877 {
8878 if (vim_mkdir(name, prot) != 0)
8879 {
8880 EMSG2(_("E739: Cannot create directory: %s"), name);
8881 return FAIL;
8882 }
8883 return OK;
8884 }
8885 #endif
8886
8887 /*
8888 * Open a file for writing for an Ex command, with some checks.
8889 * Return file descriptor, or NULL on failure.
8890 */
8891 FILE *
8892 open_exfile(fname, forceit, mode)
8893 char_u *fname;
8894 int forceit;
8895 char *mode; /* "w" for create new file or "a" for append */
8896 {
8897 FILE *fd;
8898
8899 #ifdef UNIX
8900 /* with Unix it is possible to open a directory */
8901 if (mch_isdir(fname))
8902 {
8903 EMSG2(_(e_isadir2), fname);
8904 return NULL;
8905 }
8906 #endif
8907 if (!forceit && *mode != 'a' && vim_fexists(fname))
8908 {
8909 EMSG2(_("E189: \"%s\" exists (add ! to override)"), fname);
8910 return NULL;
8911 }
8912
8913 if ((fd = mch_fopen((char *)fname, mode)) == NULL)
8914 EMSG2(_("E190: Cannot open \"%s\" for writing"), fname);
8915
8916 return fd;
8917 }
8918
8919 /*
8920 * ":mark" and ":k".
8921 */
8922 static void
8923 ex_mark(eap)
8924 exarg_T *eap;
8925 {
8926 pos_T pos;
8927
8928 if (*eap->arg == NUL) /* No argument? */
8929 EMSG(_(e_argreq));
8930 else if (eap->arg[1] != NUL) /* more than one character? */
8931 EMSG(_(e_trailing));
8932 else
8933 {
8934 pos = curwin->w_cursor; /* save curwin->w_cursor */
8935 curwin->w_cursor.lnum = eap->line2;
8936 beginline(BL_WHITE | BL_FIX);
8937 if (setmark(*eap->arg) == FAIL) /* set mark */
8938 EMSG(_("E191: Argument must be a letter or forward/backward quote"));
8939 curwin->w_cursor = pos; /* restore curwin->w_cursor */
8940 }
8941 }
8942
8943 /*
8944 * Update w_topline, w_leftcol and the cursor position.
8945 */
8946 void
8947 update_topline_cursor()
8948 {
8949 check_cursor(); /* put cursor on valid line */
8950 update_topline();
8951 if (!curwin->w_p_wrap)
8952 validate_cursor();
8953 update_curswant();
8954 }
8955
8956 #ifdef FEAT_EX_EXTRA
8957 /*
8958 * ":normal[!] {commands}": Execute normal mode commands.
8959 */
8960 static void
8961 ex_normal(eap)
8962 exarg_T *eap;
8963 {
8964 int save_msg_scroll = msg_scroll;
8965 int save_restart_edit = restart_edit;
8966 int save_msg_didout = msg_didout;
8967 int save_State = State;
8968 tasave_T tabuf;
8969 int save_insertmode = p_im;
8970 int save_finish_op = finish_op;
8971 int save_opcount = opcount;
8972 #ifdef FEAT_MBYTE
8973 char_u *arg = NULL;
8974 int l;
8975 char_u *p;
8976 #endif
8977
8978 if (ex_normal_lock > 0)
8979 {
8980 EMSG(_(e_secure));
8981 return;
8982 }
8983 if (ex_normal_busy >= p_mmd)
8984 {
8985 EMSG(_("E192: Recursive use of :normal too deep"));
8986 return;
8987 }
8988 ++ex_normal_busy;
8989
8990 msg_scroll = FALSE; /* no msg scrolling in Normal mode */
8991 restart_edit = 0; /* don't go to Insert mode */
8992 p_im = FALSE; /* don't use 'insertmode' */
8993
8994 #ifdef FEAT_MBYTE
8995 /*
8996 * vgetc() expects a CSI and K_SPECIAL to have been escaped. Don't do
8997 * this for the K_SPECIAL leading byte, otherwise special keys will not
8998 * work.
8999 */
9000 if (has_mbyte)
9001 {
9002 int len = 0;
9003
9004 /* Count the number of characters to be escaped. */
9005 for (p = eap->arg; *p != NUL; ++p)
9006 {
9007 # ifdef FEAT_GUI
9008 if (*p == CSI) /* leadbyte CSI */
9009 len += 2;
9010 # endif
9011 for (l = (*mb_ptr2len)(p) - 1; l > 0; --l)
9012 if (*++p == K_SPECIAL /* trailbyte K_SPECIAL or CSI */
9013 # ifdef FEAT_GUI
9014 || *p == CSI
9015 # endif
9016 )
9017 len += 2;
9018 }
9019 if (len > 0)
9020 {
9021 arg = alloc((unsigned)(STRLEN(eap->arg) + len + 1));
9022 if (arg != NULL)
9023 {
9024 len = 0;
9025 for (p = eap->arg; *p != NUL; ++p)
9026 {
9027 arg[len++] = *p;
9028 # ifdef FEAT_GUI
9029 if (*p == CSI)
9030 {
9031 arg[len++] = KS_EXTRA;
9032 arg[len++] = (int)KE_CSI;
9033 }
9034 # endif
9035 for (l = (*mb_ptr2len)(p) - 1; l > 0; --l)
9036 {
9037 arg[len++] = *++p;
9038 if (*p == K_SPECIAL)
9039 {
9040 arg[len++] = KS_SPECIAL;
9041 arg[len++] = KE_FILLER;
9042 }
9043 # ifdef FEAT_GUI
9044 else if (*p == CSI)
9045 {
9046 arg[len++] = KS_EXTRA;
9047 arg[len++] = (int)KE_CSI;
9048 }
9049 # endif
9050 }
9051 arg[len] = NUL;
9052 }
9053 }
9054 }
9055 }
9056 #endif
9057
9058 /*
9059 * Save the current typeahead. This is required to allow using ":normal"
9060 * from an event handler and makes sure we don't hang when the argument
9061 * ends with half a command.
9062 */
9063 save_typeahead(&tabuf);
9064 if (tabuf.typebuf_valid)
9065 {
9066 /*
9067 * Repeat the :normal command for each line in the range. When no
9068 * range given, execute it just once, without positioning the cursor
9069 * first.
9070 */
9071 do
9072 {
9073 if (eap->addr_count != 0)
9074 {
9075 curwin->w_cursor.lnum = eap->line1++;
9076 curwin->w_cursor.col = 0;
9077 }
9078
9079 exec_normal_cmd(
9080 #ifdef FEAT_MBYTE
9081 arg != NULL ? arg :
9082 #endif
9083 eap->arg, eap->forceit ? REMAP_NONE : REMAP_YES, FALSE);
9084 }
9085 while (eap->addr_count > 0 && eap->line1 <= eap->line2 && !got_int);
9086 }
9087
9088 /* Might not return to the main loop when in an event handler. */
9089 update_topline_cursor();
9090
9091 /* Restore the previous typeahead. */
9092 restore_typeahead(&tabuf);
9093
9094 --ex_normal_busy;
9095 msg_scroll = save_msg_scroll;
9096 restart_edit = save_restart_edit;
9097 p_im = save_insertmode;
9098 finish_op = save_finish_op;
9099 opcount = save_opcount;
9100 msg_didout |= save_msg_didout; /* don't reset msg_didout now */
9101
9102 /* Restore the state (needed when called from a function executed for
9103 * 'indentexpr'). */
9104 State = save_State;
9105 #ifdef FEAT_MBYTE
9106 vim_free(arg);
9107 #endif
9108 }
9109
9110 /*
9111 * ":startinsert", ":startreplace" and ":startgreplace"
9112 */
9113 static void
9114 ex_startinsert(eap)
9115 exarg_T *eap;
9116 {
9117 if (eap->forceit)
9118 {
9119 coladvance((colnr_T)MAXCOL);
9120 curwin->w_curswant = MAXCOL;
9121 curwin->w_set_curswant = FALSE;
9122 }
9123
9124 /* Ignore the command when already in Insert mode. Inserting an
9125 * expression register that invokes a function can do this. */
9126 if (State & INSERT)
9127 return;
9128
9129 if (eap->cmdidx == CMD_startinsert)
9130 restart_edit = 'a';
9131 else if (eap->cmdidx == CMD_startreplace)
9132 restart_edit = 'R';
9133 else
9134 restart_edit = 'V';
9135
9136 if (!eap->forceit)
9137 {
9138 if (eap->cmdidx == CMD_startinsert)
9139 restart_edit = 'i';
9140 curwin->w_curswant = 0; /* avoid MAXCOL */
9141 }
9142 }
9143
9144 /*
9145 * ":stopinsert"
9146 */
9147 static void
9148 ex_stopinsert(eap)
9149 exarg_T *eap UNUSED;
9150 {
9151 restart_edit = 0;
9152 stop_insert_mode = TRUE;
9153 }
9154 #endif
9155
9156 #if defined(FEAT_EX_EXTRA) || defined(FEAT_MENU) || defined(PROTO)
9157 /*
9158 * Execute normal mode command "cmd".
9159 * "remap" can be REMAP_NONE or REMAP_YES.
9160 */
9161 void
9162 exec_normal_cmd(cmd, remap, silent)
9163 char_u *cmd;
9164 int remap;
9165 int silent;
9166 {
9167 oparg_T oa;
9168
9169 /*
9170 * Stuff the argument into the typeahead buffer.
9171 * Execute normal_cmd() until there is no typeahead left.
9172 */
9173 clear_oparg(&oa);
9174 finish_op = FALSE;
9175 ins_typebuf(cmd, remap, 0, TRUE, silent);
9176 while ((!stuff_empty() || (!typebuf_typed() && typebuf.tb_len > 0))
9177 && !got_int)
9178 {
9179 update_topline_cursor();
9180 normal_cmd(&oa, FALSE); /* execute a Normal mode cmd */
9181 }
9182 }
9183 #endif
9184
9185 #ifdef FEAT_FIND_ID
9186 static void
9187 ex_checkpath(eap)
9188 exarg_T *eap;
9189 {
9190 find_pattern_in_path(NULL, 0, 0, FALSE, FALSE, CHECK_PATH, 1L,
9191 eap->forceit ? ACTION_SHOW_ALL : ACTION_SHOW,
9192 (linenr_T)1, (linenr_T)MAXLNUM);
9193 }
9194
9195 #if defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX)
9196 /*
9197 * ":psearch"
9198 */
9199 static void
9200 ex_psearch(eap)
9201 exarg_T *eap;
9202 {
9203 g_do_tagpreview = p_pvh;
9204 ex_findpat(eap);
9205 g_do_tagpreview = 0;
9206 }
9207 #endif
9208
9209 static void
9210 ex_findpat(eap)
9211 exarg_T *eap;
9212 {
9213 int whole = TRUE;
9214 long n;
9215 char_u *p;
9216 int action;
9217
9218 switch (cmdnames[eap->cmdidx].cmd_name[2])
9219 {
9220 case 'e': /* ":psearch", ":isearch" and ":dsearch" */
9221 if (cmdnames[eap->cmdidx].cmd_name[0] == 'p')
9222 action = ACTION_GOTO;
9223 else
9224 action = ACTION_SHOW;
9225 break;
9226 case 'i': /* ":ilist" and ":dlist" */
9227 action = ACTION_SHOW_ALL;
9228 break;
9229 case 'u': /* ":ijump" and ":djump" */
9230 action = ACTION_GOTO;
9231 break;
9232 default: /* ":isplit" and ":dsplit" */
9233 action = ACTION_SPLIT;
9234 break;
9235 }
9236
9237 n = 1;
9238 if (vim_isdigit(*eap->arg)) /* get count */
9239 {
9240 n = getdigits(&eap->arg);
9241 eap->arg = skipwhite(eap->arg);
9242 }
9243 if (*eap->arg == '/') /* Match regexp, not just whole words */
9244 {
9245 whole = FALSE;
9246 ++eap->arg;
9247 p = skip_regexp(eap->arg, '/', p_magic, NULL);
9248 if (*p)
9249 {
9250 *p++ = NUL;
9251 p = skipwhite(p);
9252
9253 /* Check for trailing illegal characters */
9254 if (!ends_excmd(*p))
9255 eap->errmsg = e_trailing;
9256 else
9257 eap->nextcmd = check_nextcmd(p);
9258 }
9259 }
9260 if (!eap->skip)
9261 find_pattern_in_path(eap->arg, 0, (int)STRLEN(eap->arg),
9262 whole, !eap->forceit,
9263 *eap->cmd == 'd' ? FIND_DEFINE : FIND_ANY,
9264 n, action, eap->line1, eap->line2);
9265 }
9266 #endif
9267
9268 #ifdef FEAT_WINDOWS
9269
9270 # ifdef FEAT_QUICKFIX
9271 /*
9272 * ":ptag", ":ptselect", ":ptjump", ":ptnext", etc.
9273 */
9274 static void
9275 ex_ptag(eap)
9276 exarg_T *eap;
9277 {
9278 g_do_tagpreview = p_pvh;
9279 ex_tag_cmd(eap, cmdnames[eap->cmdidx].cmd_name + 1);
9280 }
9281
9282 /*
9283 * ":pedit"
9284 */
9285 static void
9286 ex_pedit(eap)
9287 exarg_T *eap;
9288 {
9289 win_T *curwin_save = curwin;
9290
9291 g_do_tagpreview = p_pvh;
9292 prepare_tagpreview(TRUE);
9293 keep_help_flag = curwin_save->w_buffer->b_help;
9294 do_exedit(eap, NULL);
9295 keep_help_flag = FALSE;
9296 if (curwin != curwin_save && win_valid(curwin_save))
9297 {
9298 /* Return cursor to where we were */
9299 validate_cursor();
9300 redraw_later(VALID);
9301 win_enter(curwin_save, TRUE);
9302 }
9303 g_do_tagpreview = 0;
9304 }
9305 # endif
9306
9307 /*
9308 * ":stag", ":stselect" and ":stjump".
9309 */
9310 static void
9311 ex_stag(eap)
9312 exarg_T *eap;
9313 {
9314 postponed_split = -1;
9315 postponed_split_flags = cmdmod.split;
9316 postponed_split_tab = cmdmod.tab;
9317 ex_tag_cmd(eap, cmdnames[eap->cmdidx].cmd_name + 1);
9318 postponed_split_flags = 0;
9319 postponed_split_tab = 0;
9320 }
9321 #endif
9322
9323 /*
9324 * ":tag", ":tselect", ":tjump", ":tnext", etc.
9325 */
9326 static void
9327 ex_tag(eap)
9328 exarg_T *eap;
9329 {
9330 ex_tag_cmd(eap, cmdnames[eap->cmdidx].cmd_name);
9331 }
9332
9333 static void
9334 ex_tag_cmd(eap, name)
9335 exarg_T *eap;
9336 char_u *name;
9337 {
9338 int cmd;
9339
9340 switch (name[1])
9341 {
9342 case 'j': cmd = DT_JUMP; /* ":tjump" */
9343 break;
9344 case 's': cmd = DT_SELECT; /* ":tselect" */
9345 break;
9346 case 'p': cmd = DT_PREV; /* ":tprevious" */
9347 break;
9348 case 'N': cmd = DT_PREV; /* ":tNext" */
9349 break;
9350 case 'n': cmd = DT_NEXT; /* ":tnext" */
9351 break;
9352 case 'o': cmd = DT_POP; /* ":pop" */
9353 break;
9354 case 'f': /* ":tfirst" */
9355 case 'r': cmd = DT_FIRST; /* ":trewind" */
9356 break;
9357 case 'l': cmd = DT_LAST; /* ":tlast" */
9358 break;
9359 default: /* ":tag" */
9360 #ifdef FEAT_CSCOPE
9361 if (p_cst && *eap->arg != NUL)
9362 {
9363 do_cstag(eap);
9364 return;
9365 }
9366 #endif
9367 cmd = DT_TAG;
9368 break;
9369 }
9370
9371 if (name[0] == 'l')
9372 {
9373 #ifndef FEAT_QUICKFIX
9374 ex_ni(eap);
9375 return;
9376 #else
9377 cmd = DT_LTAG;
9378 #endif
9379 }
9380
9381 do_tag(eap->arg, cmd, eap->addr_count > 0 ? (int)eap->line2 : 1,
9382 eap->forceit, TRUE);
9383 }
9384
9385 /*
9386 * Check "str" for starting with a special cmdline variable.
9387 * If found return one of the SPEC_ values and set "*usedlen" to the length of
9388 * the variable. Otherwise return -1 and "*usedlen" is unchanged.
9389 */
9390 int
9391 find_cmdline_var(src, usedlen)
9392 char_u *src;
9393 int *usedlen;
9394 {
9395 int len;
9396 int i;
9397 static char *(spec_str[]) = {
9398 "%",
9399 #define SPEC_PERC 0
9400 "#",
9401 #define SPEC_HASH 1
9402 "<cword>", /* cursor word */
9403 #define SPEC_CWORD 2
9404 "<cWORD>", /* cursor WORD */
9405 #define SPEC_CCWORD 3
9406 "<cfile>", /* cursor path name */
9407 #define SPEC_CFILE 4
9408 "<sfile>", /* ":so" file name */
9409 #define SPEC_SFILE 5
9410 #ifdef FEAT_AUTOCMD
9411 "<afile>", /* autocommand file name */
9412 # define SPEC_AFILE 6
9413 "<abuf>", /* autocommand buffer number */
9414 # define SPEC_ABUF 7
9415 "<amatch>", /* autocommand match name */
9416 # define SPEC_AMATCH 8
9417 #endif
9418 #ifdef FEAT_CLIENTSERVER
9419 "<client>"
9420 # define SPEC_CLIENT 9
9421 #endif
9422 };
9423
9424 for (i = 0; i < (int)(sizeof(spec_str) / sizeof(char *)); ++i)
9425 {
9426 len = (int)STRLEN(spec_str[i]);
9427 if (STRNCMP(src, spec_str[i], len) == 0)
9428 {
9429 *usedlen = len;
9430 return i;
9431 }
9432 }
9433 return -1;
9434 }
9435
9436 /*
9437 * Evaluate cmdline variables.
9438 *
9439 * change '%' to curbuf->b_ffname
9440 * '#' to curwin->w_altfile
9441 * '<cword>' to word under the cursor
9442 * '<cWORD>' to WORD under the cursor
9443 * '<cfile>' to path name under the cursor
9444 * '<sfile>' to sourced file name
9445 * '<afile>' to file name for autocommand
9446 * '<abuf>' to buffer number for autocommand
9447 * '<amatch>' to matching name for autocommand
9448 *
9449 * When an error is detected, "errormsg" is set to a non-NULL pointer (may be
9450 * "" for error without a message) and NULL is returned.
9451 * Returns an allocated string if a valid match was found.
9452 * Returns NULL if no match was found. "usedlen" then still contains the
9453 * number of characters to skip.
9454 */
9455 char_u *
9456 eval_vars(src, srcstart, usedlen, lnump, errormsg, escaped)
9457 char_u *src; /* pointer into commandline */
9458 char_u *srcstart; /* beginning of valid memory for src */
9459 int *usedlen; /* characters after src that are used */
9460 linenr_T *lnump; /* line number for :e command, or NULL */
9461 char_u **errormsg; /* pointer to error message */
9462 int *escaped; /* return value has escaped white space (can
9463 * be NULL) */
9464 {
9465 int i;
9466 char_u *s;
9467 char_u *result;
9468 char_u *resultbuf = NULL;
9469 int resultlen;
9470 buf_T *buf;
9471 int valid = VALID_HEAD + VALID_PATH; /* assume valid result */
9472 int spec_idx;
9473 #ifdef FEAT_MODIFY_FNAME
9474 int skip_mod = FALSE;
9475 #endif
9476
9477 #if defined(FEAT_AUTOCMD) || defined(FEAT_CLIENTSERVER)
9478 char_u strbuf[30];
9479 #endif
9480
9481 *errormsg = NULL;
9482 if (escaped != NULL)
9483 *escaped = FALSE;
9484
9485 /*
9486 * Check if there is something to do.
9487 */
9488 spec_idx = find_cmdline_var(src, usedlen);
9489 if (spec_idx < 0) /* no match */
9490 {
9491 *usedlen = 1;
9492 return NULL;
9493 }
9494
9495 /*
9496 * Skip when preceded with a backslash "\%" and "\#".
9497 * Note: In "\\%" the % is also not recognized!
9498 */
9499 if (src > srcstart && src[-1] == '\\')
9500 {
9501 *usedlen = 0;
9502 STRMOVE(src - 1, src); /* remove backslash */
9503 return NULL;
9504 }
9505
9506 /*
9507 * word or WORD under cursor
9508 */
9509 if (spec_idx == SPEC_CWORD || spec_idx == SPEC_CCWORD)
9510 {
9511 resultlen = find_ident_under_cursor(&result, spec_idx == SPEC_CWORD ?
9512 (FIND_IDENT|FIND_STRING) : FIND_STRING);
9513 if (resultlen == 0)
9514 {
9515 *errormsg = (char_u *)"";
9516 return NULL;
9517 }
9518 }
9519
9520 /*
9521 * '#': Alternate file name
9522 * '%': Current file name
9523 * File name under the cursor
9524 * File name for autocommand
9525 * and following modifiers
9526 */
9527 else
9528 {
9529 switch (spec_idx)
9530 {
9531 case SPEC_PERC: /* '%': current file */
9532 if (curbuf->b_fname == NULL)
9533 {
9534 result = (char_u *)"";
9535 valid = 0; /* Must have ":p:h" to be valid */
9536 }
9537 else
9538 #ifdef RISCOS
9539 /* Always use the full path for RISC OS if possible. */
9540 result = curbuf->b_ffname;
9541 if (result == NULL)
9542 result = curbuf->b_fname;
9543 #else
9544 result = curbuf->b_fname;
9545 #endif
9546 break;
9547
9548 case SPEC_HASH: /* '#' or "#99": alternate file */
9549 if (src[1] == '#') /* "##": the argument list */
9550 {
9551 result = arg_all();
9552 resultbuf = result;
9553 *usedlen = 2;
9554 if (escaped != NULL)
9555 *escaped = TRUE;
9556 #ifdef FEAT_MODIFY_FNAME
9557 skip_mod = TRUE;
9558 #endif
9559 break;
9560 }
9561 s = src + 1;
9562 if (*s == '<') /* "#<99" uses v:oldfiles */
9563 ++s;
9564 i = (int)getdigits(&s);
9565 *usedlen = (int)(s - src); /* length of what we expand */
9566
9567 if (src[1] == '<')
9568 {
9569 if (*usedlen < 2)
9570 {
9571 /* Should we give an error message for #<text? */
9572 *usedlen = 1;
9573 return NULL;
9574 }
9575 #ifdef FEAT_EVAL
9576 result = list_find_str(get_vim_var_list(VV_OLDFILES),
9577 (long)i);
9578 if (result == NULL)
9579 {
9580 *errormsg = (char_u *)"";
9581 return NULL;
9582 }
9583 #else
9584 *errormsg = (char_u *)_("E809: #< is not available without the +eval feature");
9585 return NULL;
9586 #endif
9587 }
9588 else
9589 {
9590 buf = buflist_findnr(i);
9591 if (buf == NULL)
9592 {
9593 *errormsg = (char_u *)_("E194: No alternate file name to substitute for '#'");
9594 return NULL;
9595 }
9596 if (lnump != NULL)
9597 *lnump = ECMD_LAST;
9598 if (buf->b_fname == NULL)
9599 {
9600 result = (char_u *)"";
9601 valid = 0; /* Must have ":p:h" to be valid */
9602 }
9603 else
9604 result = buf->b_fname;
9605 }
9606 break;
9607
9608 #ifdef FEAT_SEARCHPATH
9609 case SPEC_CFILE: /* file name under cursor */
9610 result = file_name_at_cursor(FNAME_MESS|FNAME_HYP, 1L, NULL);
9611 if (result == NULL)
9612 {
9613 *errormsg = (char_u *)"";
9614 return NULL;
9615 }
9616 resultbuf = result; /* remember allocated string */
9617 break;
9618 #endif
9619
9620 #ifdef FEAT_AUTOCMD
9621 case SPEC_AFILE: /* file name for autocommand */
9622 result = autocmd_fname;
9623 if (result != NULL && !autocmd_fname_full)
9624 {
9625 /* Still need to turn the fname into a full path. It is
9626 * postponed to avoid a delay when <afile> is not used. */
9627 autocmd_fname_full = TRUE;
9628 result = FullName_save(autocmd_fname, FALSE);
9629 vim_free(autocmd_fname);
9630 autocmd_fname = result;
9631 }
9632 if (result == NULL)
9633 {
9634 *errormsg = (char_u *)_("E495: no autocommand file name to substitute for \"<afile>\"");
9635 return NULL;
9636 }
9637 result = shorten_fname1(result);
9638 break;
9639
9640 case SPEC_ABUF: /* buffer number for autocommand */
9641 if (autocmd_bufnr <= 0)
9642 {
9643 *errormsg = (char_u *)_("E496: no autocommand buffer number to substitute for \"<abuf>\"");
9644 return NULL;
9645 }
9646 sprintf((char *)strbuf, "%d", autocmd_bufnr);
9647 result = strbuf;
9648 break;
9649
9650 case SPEC_AMATCH: /* match name for autocommand */
9651 result = autocmd_match;
9652 if (result == NULL)
9653 {
9654 *errormsg = (char_u *)_("E497: no autocommand match name to substitute for \"<amatch>\"");
9655 return NULL;
9656 }
9657 break;
9658
9659 #endif
9660 case SPEC_SFILE: /* file name for ":so" command */
9661 result = sourcing_name;
9662 if (result == NULL)
9663 {
9664 *errormsg = (char_u *)_("E498: no :source file name to substitute for \"<sfile>\"");
9665 return NULL;
9666 }
9667 break;
9668 #if defined(FEAT_CLIENTSERVER)
9669 case SPEC_CLIENT: /* Source of last submitted input */
9670 sprintf((char *)strbuf, PRINTF_HEX_LONG_U,
9671 (long_u)clientWindow);
9672 result = strbuf;
9673 break;
9674 #endif
9675 }
9676
9677 resultlen = (int)STRLEN(result); /* length of new string */
9678 if (src[*usedlen] == '<') /* remove the file name extension */
9679 {
9680 ++*usedlen;
9681 #ifdef RISCOS
9682 if ((s = vim_strrchr(result, '/')) != NULL && s >= gettail(result))
9683 #else
9684 if ((s = vim_strrchr(result, '.')) != NULL && s >= gettail(result))
9685 #endif
9686 resultlen = (int)(s - result);
9687 }
9688 #ifdef FEAT_MODIFY_FNAME
9689 else if (!skip_mod)
9690 {
9691 valid |= modify_fname(src, usedlen, &result, &resultbuf,
9692 &resultlen);
9693 if (result == NULL)
9694 {
9695 *errormsg = (char_u *)"";
9696 return NULL;
9697 }
9698 }
9699 #endif
9700 }
9701
9702 if (resultlen == 0 || valid != VALID_HEAD + VALID_PATH)
9703 {
9704 if (valid != VALID_HEAD + VALID_PATH)
9705 /* xgettext:no-c-format */
9706 *errormsg = (char_u *)_("E499: Empty file name for '%' or '#', only works with \":p:h\"");
9707 else
9708 *errormsg = (char_u *)_("E500: Evaluates to an empty string");
9709 result = NULL;
9710 }
9711 else
9712 result = vim_strnsave(result, resultlen);
9713 vim_free(resultbuf);
9714 return result;
9715 }
9716
9717 /*
9718 * Concatenate all files in the argument list, separated by spaces, and return
9719 * it in one allocated string.
9720 * Spaces and backslashes in the file names are escaped with a backslash.
9721 * Returns NULL when out of memory.
9722 */
9723 static char_u *
9724 arg_all()
9725 {
9726 int len;
9727 int idx;
9728 char_u *retval = NULL;
9729 char_u *p;
9730
9731 /*
9732 * Do this loop two times:
9733 * first time: compute the total length
9734 * second time: concatenate the names
9735 */
9736 for (;;)
9737 {
9738 len = 0;
9739 for (idx = 0; idx < ARGCOUNT; ++idx)
9740 {
9741 p = alist_name(&ARGLIST[idx]);
9742 if (p != NULL)
9743 {
9744 if (len > 0)
9745 {
9746 /* insert a space in between names */
9747 if (retval != NULL)
9748 retval[len] = ' ';
9749 ++len;
9750 }
9751 for ( ; *p != NUL; ++p)
9752 {
9753 if (*p == ' ' || *p == '\\')
9754 {
9755 /* insert a backslash */
9756 if (retval != NULL)
9757 retval[len] = '\\';
9758 ++len;
9759 }
9760 if (retval != NULL)
9761 retval[len] = *p;
9762 ++len;
9763 }
9764 }
9765 }
9766
9767 /* second time: break here */
9768 if (retval != NULL)
9769 {
9770 retval[len] = NUL;
9771 break;
9772 }
9773
9774 /* allocate memory */
9775 retval = alloc((unsigned)len + 1);
9776 if (retval == NULL)
9777 break;
9778 }
9779
9780 return retval;
9781 }
9782
9783 #if defined(FEAT_AUTOCMD) || defined(PROTO)
9784 /*
9785 * Expand the <sfile> string in "arg".
9786 *
9787 * Returns an allocated string, or NULL for any error.
9788 */
9789 char_u *
9790 expand_sfile(arg)
9791 char_u *arg;
9792 {
9793 char_u *errormsg;
9794 int len;
9795 char_u *result;
9796 char_u *newres;
9797 char_u *repl;
9798 int srclen;
9799 char_u *p;
9800
9801 result = vim_strsave(arg);
9802 if (result == NULL)
9803 return NULL;
9804
9805 for (p = result; *p; )
9806 {
9807 if (STRNCMP(p, "<sfile>", 7) != 0)
9808 ++p;
9809 else
9810 {
9811 /* replace "<sfile>" with the sourced file name, and do ":" stuff */
9812 repl = eval_vars(p, result, &srclen, NULL, &errormsg, NULL);
9813 if (errormsg != NULL)
9814 {
9815 if (*errormsg)
9816 emsg(errormsg);
9817 vim_free(result);
9818 return NULL;
9819 }
9820 if (repl == NULL) /* no match (cannot happen) */
9821 {
9822 p += srclen;
9823 continue;
9824 }
9825 len = (int)STRLEN(result) - srclen + (int)STRLEN(repl) + 1;
9826 newres = alloc(len);
9827 if (newres == NULL)
9828 {
9829 vim_free(repl);
9830 vim_free(result);
9831 return NULL;
9832 }
9833 mch_memmove(newres, result, (size_t)(p - result));
9834 STRCPY(newres + (p - result), repl);
9835 len = (int)STRLEN(newres);
9836 STRCAT(newres, p + srclen);
9837 vim_free(repl);
9838 vim_free(result);
9839 result = newres;
9840 p = newres + len; /* continue after the match */
9841 }
9842 }
9843
9844 return result;
9845 }
9846 #endif
9847
9848 #ifdef FEAT_SESSION
9849 static int ses_winsizes __ARGS((FILE *fd, int restore_size,
9850 win_T *tab_firstwin));
9851 static int ses_win_rec __ARGS((FILE *fd, frame_T *fr));
9852 static frame_T *ses_skipframe __ARGS((frame_T *fr));
9853 static int ses_do_frame __ARGS((frame_T *fr));
9854 static int ses_do_win __ARGS((win_T *wp));
9855 static int ses_arglist __ARGS((FILE *fd, char *cmd, garray_T *gap, int fullname, unsigned *flagp));
9856 static int ses_put_fname __ARGS((FILE *fd, char_u *name, unsigned *flagp));
9857 static int ses_fname __ARGS((FILE *fd, buf_T *buf, unsigned *flagp));
9858
9859 /*
9860 * Write openfile commands for the current buffers to an .exrc file.
9861 * Return FAIL on error, OK otherwise.
9862 */
9863 static int
9864 makeopens(fd, dirnow)
9865 FILE *fd;
9866 char_u *dirnow; /* Current directory name */
9867 {
9868 buf_T *buf;
9869 int only_save_windows = TRUE;
9870 int nr;
9871 int cnr = 1;
9872 int restore_size = TRUE;
9873 win_T *wp;
9874 char_u *sname;
9875 win_T *edited_win = NULL;
9876 int tabnr;
9877 win_T *tab_firstwin;
9878 frame_T *tab_topframe;
9879 int cur_arg_idx = 0;
9880 int next_arg_idx = 0;
9881
9882 if (ssop_flags & SSOP_BUFFERS)
9883 only_save_windows = FALSE; /* Save ALL buffers */
9884
9885 /*
9886 * Begin by setting the this_session variable, and then other
9887 * sessionable variables.
9888 */
9889 #ifdef FEAT_EVAL
9890 if (put_line(fd, "let v:this_session=expand(\"<sfile>:p\")") == FAIL)
9891 return FAIL;
9892 if (ssop_flags & SSOP_GLOBALS)
9893 if (store_session_globals(fd) == FAIL)
9894 return FAIL;
9895 #endif
9896
9897 /*
9898 * Close all windows but one.
9899 */
9900 if (put_line(fd, "silent only") == FAIL)
9901 return FAIL;
9902
9903 /*
9904 * Now a :cd command to the session directory or the current directory
9905 */
9906 if (ssop_flags & SSOP_SESDIR)
9907 {
9908 if (put_line(fd, "exe \"cd \" . escape(expand(\"<sfile>:p:h\"), ' ')")
9909 == FAIL)
9910 return FAIL;
9911 }
9912 else if (ssop_flags & SSOP_CURDIR)
9913 {
9914 sname = home_replace_save(NULL, globaldir != NULL ? globaldir : dirnow);
9915 if (sname == NULL
9916 || fputs("cd ", fd) < 0
9917 || ses_put_fname(fd, sname, &ssop_flags) == FAIL
9918 || put_eol(fd) == FAIL)
9919 {
9920 vim_free(sname);
9921 return FAIL;
9922 }
9923 vim_free(sname);
9924 }
9925
9926 /*
9927 * If there is an empty, unnamed buffer we will wipe it out later.
9928 * Remember the buffer number.
9929 */
9930 if (put_line(fd, "if expand('%') == '' && !&modified && line('$') <= 1 && getline(1) == ''") == FAIL)
9931 return FAIL;
9932 if (put_line(fd, " let s:wipebuf = bufnr('%')") == FAIL)
9933 return FAIL;
9934 if (put_line(fd, "endif") == FAIL)
9935 return FAIL;
9936
9937 /*
9938 * Now save the current files, current buffer first.
9939 */
9940 if (put_line(fd, "set shortmess=aoO") == FAIL)
9941 return FAIL;
9942
9943 /* Now put the other buffers into the buffer list */
9944 for (buf = firstbuf; buf != NULL; buf = buf->b_next)
9945 {
9946 if (!(only_save_windows && buf->b_nwindows == 0)
9947 && !(buf->b_help && !(ssop_flags & SSOP_HELP))
9948 && buf->b_fname != NULL
9949 && buf->b_p_bl)
9950 {
9951 if (fprintf(fd, "badd +%ld ", buf->b_wininfo == NULL ? 1L
9952 : buf->b_wininfo->wi_fpos.lnum) < 0
9953 || ses_fname(fd, buf, &ssop_flags) == FAIL)
9954 return FAIL;
9955 }
9956 }
9957
9958 /* the global argument list */
9959 if (ses_arglist(fd, "args", &global_alist.al_ga,
9960 !(ssop_flags & SSOP_CURDIR), &ssop_flags) == FAIL)
9961 return FAIL;
9962
9963 if (ssop_flags & SSOP_RESIZE)
9964 {
9965 /* Note: after the restore we still check it worked!*/
9966 if (fprintf(fd, "set lines=%ld columns=%ld" , Rows, Columns) < 0
9967 || put_eol(fd) == FAIL)
9968 return FAIL;
9969 }
9970
9971 #ifdef FEAT_GUI
9972 if (gui.in_use && (ssop_flags & SSOP_WINPOS))
9973 {
9974 int x, y;
9975
9976 if (gui_mch_get_winpos(&x, &y) == OK)
9977 {
9978 /* Note: after the restore we still check it worked!*/
9979 if (fprintf(fd, "winpos %d %d", x, y) < 0 || put_eol(fd) == FAIL)
9980 return FAIL;
9981 }
9982 }
9983 #endif
9984
9985 /*
9986 * May repeat putting Windows for each tab, when "tabpages" is in
9987 * 'sessionoptions'.
9988 * Don't use goto_tabpage(), it may change directory and trigger
9989 * autocommands.
9990 */
9991 tab_firstwin = firstwin; /* first window in tab page "tabnr" */
9992 tab_topframe = topframe;
9993 for (tabnr = 1; ; ++tabnr)
9994 {
9995 int need_tabnew = FALSE;
9996
9997 if ((ssop_flags & SSOP_TABPAGES))
9998 {
9999 tabpage_T *tp = find_tabpage(tabnr);
10000
10001 if (tp == NULL)
10002 break; /* done all tab pages */
10003 if (tp == curtab)
10004 {
10005 tab_firstwin = firstwin;
10006 tab_topframe = topframe;
10007 }
10008 else
10009 {
10010 tab_firstwin = tp->tp_firstwin;
10011 tab_topframe = tp->tp_topframe;
10012 }
10013 if (tabnr > 1)
10014 need_tabnew = TRUE;
10015 }
10016
10017 /*
10018 * Before creating the window layout, try loading one file. If this
10019 * is aborted we don't end up with a number of useless windows.
10020 * This may have side effects! (e.g., compressed or network file).
10021 */
10022 for (wp = tab_firstwin; wp != NULL; wp = wp->w_next)
10023 {
10024 if (ses_do_win(wp)
10025 && wp->w_buffer->b_ffname != NULL
10026 && !wp->w_buffer->b_help
10027 #ifdef FEAT_QUICKFIX
10028 && !bt_nofile(wp->w_buffer)
10029 #endif
10030 )
10031 {
10032 if (fputs(need_tabnew ? "tabedit " : "edit ", fd) < 0
10033 || ses_fname(fd, wp->w_buffer, &ssop_flags) == FAIL)
10034 return FAIL;
10035 need_tabnew = FALSE;
10036 if (!wp->w_arg_idx_invalid)
10037 edited_win = wp;
10038 break;
10039 }
10040 }
10041
10042 /* If no file got edited create an empty tab page. */
10043 if (need_tabnew && put_line(fd, "tabnew") == FAIL)
10044 return FAIL;
10045
10046 /*
10047 * Save current window layout.
10048 */
10049 if (put_line(fd, "set splitbelow splitright") == FAIL)
10050 return FAIL;
10051 if (ses_win_rec(fd, tab_topframe) == FAIL)
10052 return FAIL;
10053 if (!p_sb && put_line(fd, "set nosplitbelow") == FAIL)
10054 return FAIL;
10055 if (!p_spr && put_line(fd, "set nosplitright") == FAIL)
10056 return FAIL;
10057
10058 /*
10059 * Check if window sizes can be restored (no windows omitted).
10060 * Remember the window number of the current window after restoring.
10061 */
10062 nr = 0;
10063 for (wp = tab_firstwin; wp != NULL; wp = W_NEXT(wp))
10064 {
10065 if (ses_do_win(wp))
10066 ++nr;
10067 else
10068 restore_size = FALSE;
10069 if (curwin == wp)
10070 cnr = nr;
10071 }
10072
10073 /* Go to the first window. */
10074 if (put_line(fd, "wincmd t") == FAIL)
10075 return FAIL;
10076
10077 /*
10078 * If more than one window, see if sizes can be restored.
10079 * First set 'winheight' and 'winwidth' to 1 to avoid the windows being
10080 * resized when moving between windows.
10081 * Do this before restoring the view, so that the topline and the
10082 * cursor can be set. This is done again below.
10083 */
10084 if (put_line(fd, "set winheight=1 winwidth=1") == FAIL)
10085 return FAIL;
10086 if (nr > 1 && ses_winsizes(fd, restore_size, tab_firstwin) == FAIL)
10087 return FAIL;
10088
10089 /*
10090 * Restore the view of the window (options, file, cursor, etc.).
10091 */
10092 for (wp = tab_firstwin; wp != NULL; wp = wp->w_next)
10093 {
10094 if (!ses_do_win(wp))
10095 continue;
10096 if (put_view(fd, wp, wp != edited_win, &ssop_flags,
10097 cur_arg_idx) == FAIL)
10098 return FAIL;
10099 if (nr > 1 && put_line(fd, "wincmd w") == FAIL)
10100 return FAIL;
10101 next_arg_idx = wp->w_arg_idx;
10102 }
10103
10104 /* The argument index in the first tab page is zero, need to set it in
10105 * each window. For further tab pages it's the window where we do
10106 * "tabedit". */
10107 cur_arg_idx = next_arg_idx;
10108
10109 /*
10110 * Restore cursor to the current window if it's not the first one.
10111 */
10112 if (cnr > 1 && (fprintf(fd, "%dwincmd w", cnr) < 0
10113 || put_eol(fd) == FAIL))
10114 return FAIL;
10115
10116 /*
10117 * Restore window sizes again after jumping around in windows, because
10118 * the current window has a minimum size while others may not.
10119 */
10120 if (nr > 1 && ses_winsizes(fd, restore_size, tab_firstwin) == FAIL)
10121 return FAIL;
10122
10123 /* Don't continue in another tab page when doing only the current one
10124 * or when at the last tab page. */
10125 if (!(ssop_flags & SSOP_TABPAGES))
10126 break;
10127 }
10128
10129 if (ssop_flags & SSOP_TABPAGES)
10130 {
10131 if (fprintf(fd, "tabnext %d", tabpage_index(curtab)) < 0
10132 || put_eol(fd) == FAIL)
10133 return FAIL;
10134 }
10135
10136 /*
10137 * Wipe out an empty unnamed buffer we started in.
10138 */
10139 if (put_line(fd, "if exists('s:wipebuf')") == FAIL)
10140 return FAIL;
10141 if (put_line(fd, " silent exe 'bwipe ' . s:wipebuf") == FAIL)
10142 return FAIL;
10143 if (put_line(fd, "endif") == FAIL)
10144 return FAIL;
10145 if (put_line(fd, "unlet! s:wipebuf") == FAIL)
10146 return FAIL;
10147
10148 /* Re-apply 'winheight', 'winwidth' and 'shortmess'. */
10149 if (fprintf(fd, "set winheight=%ld winwidth=%ld shortmess=%s",
10150 p_wh, p_wiw, p_shm) < 0 || put_eol(fd) == FAIL)
10151 return FAIL;
10152
10153 /*
10154 * Lastly, execute the x.vim file if it exists.
10155 */
10156 if (put_line(fd, "let s:sx = expand(\"<sfile>:p:r\").\"x.vim\"") == FAIL
10157 || put_line(fd, "if file_readable(s:sx)") == FAIL
10158 || put_line(fd, " exe \"source \" . fnameescape(s:sx)") == FAIL
10159 || put_line(fd, "endif") == FAIL)
10160 return FAIL;
10161
10162 return OK;
10163 }
10164
10165 static int
10166 ses_winsizes(fd, restore_size, tab_firstwin)
10167 FILE *fd;
10168 int restore_size;
10169 win_T *tab_firstwin;
10170 {
10171 int n = 0;
10172 win_T *wp;
10173
10174 if (restore_size && (ssop_flags & SSOP_WINSIZE))
10175 {
10176 for (wp = tab_firstwin; wp != NULL; wp = wp->w_next)
10177 {
10178 if (!ses_do_win(wp))
10179 continue;
10180 ++n;
10181
10182 /* restore height when not full height */
10183 if (wp->w_height + wp->w_status_height < topframe->fr_height
10184 && (fprintf(fd,
10185 "exe '%dresize ' . ((&lines * %ld + %ld) / %ld)",
10186 n, (long)wp->w_height, Rows / 2, Rows) < 0
10187 || put_eol(fd) == FAIL))
10188 return FAIL;
10189
10190 /* restore width when not full width */
10191 if (wp->w_width < Columns && (fprintf(fd,
10192 "exe 'vert %dresize ' . ((&columns * %ld + %ld) / %ld)",
10193 n, (long)wp->w_width, Columns / 2, Columns) < 0
10194 || put_eol(fd) == FAIL))
10195 return FAIL;
10196 }
10197 }
10198 else
10199 {
10200 /* Just equalise window sizes */
10201 if (put_line(fd, "wincmd =") == FAIL)
10202 return FAIL;
10203 }
10204 return OK;
10205 }
10206
10207 /*
10208 * Write commands to "fd" to recursively create windows for frame "fr",
10209 * horizontally and vertically split.
10210 * After the commands the last window in the frame is the current window.
10211 * Returns FAIL when writing the commands to "fd" fails.
10212 */
10213 static int
10214 ses_win_rec(fd, fr)
10215 FILE *fd;
10216 frame_T *fr;
10217 {
10218 frame_T *frc;
10219 int count = 0;
10220
10221 if (fr->fr_layout != FR_LEAF)
10222 {
10223 /* Find first frame that's not skipped and then create a window for
10224 * each following one (first frame is already there). */
10225 frc = ses_skipframe(fr->fr_child);
10226 if (frc != NULL)
10227 while ((frc = ses_skipframe(frc->fr_next)) != NULL)
10228 {
10229 /* Make window as big as possible so that we have lots of room
10230 * to split. */
10231 if (put_line(fd, "wincmd _ | wincmd |") == FAIL
10232 || put_line(fd, fr->fr_layout == FR_COL
10233 ? "split" : "vsplit") == FAIL)
10234 return FAIL;
10235 ++count;
10236 }
10237
10238 /* Go back to the first window. */
10239 if (count > 0 && (fprintf(fd, fr->fr_layout == FR_COL
10240 ? "%dwincmd k" : "%dwincmd h", count) < 0
10241 || put_eol(fd) == FAIL))
10242 return FAIL;
10243
10244 /* Recursively create frames/windows in each window of this column or
10245 * row. */
10246 frc = ses_skipframe(fr->fr_child);
10247 while (frc != NULL)
10248 {
10249 ses_win_rec(fd, frc);
10250 frc = ses_skipframe(frc->fr_next);
10251 /* Go to next window. */
10252 if (frc != NULL && put_line(fd, "wincmd w") == FAIL)
10253 return FAIL;
10254 }
10255 }
10256 return OK;
10257 }
10258
10259 /*
10260 * Skip frames that don't contain windows we want to save in the Session.
10261 * Returns NULL when there none.
10262 */
10263 static frame_T *
10264 ses_skipframe(fr)
10265 frame_T *fr;
10266 {
10267 frame_T *frc;
10268
10269 for (frc = fr; frc != NULL; frc = frc->fr_next)
10270 if (ses_do_frame(frc))
10271 break;
10272 return frc;
10273 }
10274
10275 /*
10276 * Return TRUE if frame "fr" has a window somewhere that we want to save in
10277 * the Session.
10278 */
10279 static int
10280 ses_do_frame(fr)
10281 frame_T *fr;
10282 {
10283 frame_T *frc;
10284
10285 if (fr->fr_layout == FR_LEAF)
10286 return ses_do_win(fr->fr_win);
10287 for (frc = fr->fr_child; frc != NULL; frc = frc->fr_next)
10288 if (ses_do_frame(frc))
10289 return TRUE;
10290 return FALSE;
10291 }
10292
10293 /*
10294 * Return non-zero if window "wp" is to be stored in the Session.
10295 */
10296 static int
10297 ses_do_win(wp)
10298 win_T *wp;
10299 {
10300 if (wp->w_buffer->b_fname == NULL
10301 #ifdef FEAT_QUICKFIX
10302 /* When 'buftype' is "nofile" can't restore the window contents. */
10303 || bt_nofile(wp->w_buffer)
10304 #endif
10305 )
10306 return (ssop_flags & SSOP_BLANK);
10307 if (wp->w_buffer->b_help)
10308 return (ssop_flags & SSOP_HELP);
10309 return TRUE;
10310 }
10311
10312 /*
10313 * Write commands to "fd" to restore the view of a window.
10314 * Caller must make sure 'scrolloff' is zero.
10315 */
10316 static int
10317 put_view(fd, wp, add_edit, flagp, current_arg_idx)
10318 FILE *fd;
10319 win_T *wp;
10320 int add_edit; /* add ":edit" command to view */
10321 unsigned *flagp; /* vop_flags or ssop_flags */
10322 int current_arg_idx; /* current argument index of the window, use
10323 * -1 if unknown */
10324 {
10325 win_T *save_curwin;
10326 int f;
10327 int do_cursor;
10328 int did_next = FALSE;
10329
10330 /* Always restore cursor position for ":mksession". For ":mkview" only
10331 * when 'viewoptions' contains "cursor". */
10332 do_cursor = (flagp == &ssop_flags || *flagp & SSOP_CURSOR);
10333
10334 /*
10335 * Local argument list.
10336 */
10337 if (wp->w_alist == &global_alist)
10338 {
10339 if (put_line(fd, "argglobal") == FAIL)
10340 return FAIL;
10341 }
10342 else
10343 {
10344 if (ses_arglist(fd, "arglocal", &wp->w_alist->al_ga,
10345 flagp == &vop_flags
10346 || !(*flagp & SSOP_CURDIR)
10347 || wp->w_localdir != NULL, flagp) == FAIL)
10348 return FAIL;
10349 }
10350
10351 /* Only when part of a session: restore the argument index. Some
10352 * arguments may have been deleted, check if the index is valid. */
10353 if (wp->w_arg_idx != current_arg_idx && wp->w_arg_idx <= WARGCOUNT(wp)
10354 && flagp == &ssop_flags)
10355 {
10356 if (fprintf(fd, "%ldargu", (long)wp->w_arg_idx + 1) < 0
10357 || put_eol(fd) == FAIL)
10358 return FAIL;
10359 did_next = TRUE;
10360 }
10361
10362 /* Edit the file. Skip this when ":next" already did it. */
10363 if (add_edit && (!did_next || wp->w_arg_idx_invalid))
10364 {
10365 /*
10366 * Load the file.
10367 */
10368 if (wp->w_buffer->b_ffname != NULL
10369 #ifdef FEAT_QUICKFIX
10370 && !bt_nofile(wp->w_buffer)
10371 #endif
10372 )
10373 {
10374 /*
10375 * Editing a file in this buffer: use ":edit file".
10376 * This may have side effects! (e.g., compressed or network file).
10377 */
10378 if (fputs("edit ", fd) < 0
10379 || ses_fname(fd, wp->w_buffer, flagp) == FAIL)
10380 return FAIL;
10381 }
10382 else
10383 {
10384 /* No file in this buffer, just make it empty. */
10385 if (put_line(fd, "enew") == FAIL)
10386 return FAIL;
10387 #ifdef FEAT_QUICKFIX
10388 if (wp->w_buffer->b_ffname != NULL)
10389 {
10390 /* The buffer does have a name, but it's not a file name. */
10391 if (fputs("file ", fd) < 0
10392 || ses_fname(fd, wp->w_buffer, flagp) == FAIL)
10393 return FAIL;
10394 }
10395 #endif
10396 do_cursor = FALSE;
10397 }
10398 }
10399
10400 /*
10401 * Local mappings and abbreviations.
10402 */
10403 if ((*flagp & (SSOP_OPTIONS | SSOP_LOCALOPTIONS))
10404 && makemap(fd, wp->w_buffer) == FAIL)
10405 return FAIL;
10406
10407 /*
10408 * Local options. Need to go to the window temporarily.
10409 * Store only local values when using ":mkview" and when ":mksession" is
10410 * used and 'sessionoptions' doesn't include "options".
10411 * Some folding options are always stored when "folds" is included,
10412 * otherwise the folds would not be restored correctly.
10413 */
10414 save_curwin = curwin;
10415 curwin = wp;
10416 curbuf = curwin->w_buffer;
10417 if (*flagp & (SSOP_OPTIONS | SSOP_LOCALOPTIONS))
10418 f = makeset(fd, OPT_LOCAL,
10419 flagp == &vop_flags || !(*flagp & SSOP_OPTIONS));
10420 #ifdef FEAT_FOLDING
10421 else if (*flagp & SSOP_FOLDS)
10422 f = makefoldset(fd);
10423 #endif
10424 else
10425 f = OK;
10426 curwin = save_curwin;
10427 curbuf = curwin->w_buffer;
10428 if (f == FAIL)
10429 return FAIL;
10430
10431 #ifdef FEAT_FOLDING
10432 /*
10433 * Save Folds when 'buftype' is empty and for help files.
10434 */
10435 if ((*flagp & SSOP_FOLDS)
10436 && wp->w_buffer->b_ffname != NULL
10437 # ifdef FEAT_QUICKFIX
10438 && (*wp->w_buffer->b_p_bt == NUL || wp->w_buffer->b_help)
10439 # endif
10440 )
10441 {
10442 if (put_folds(fd, wp) == FAIL)
10443 return FAIL;
10444 }
10445 #endif
10446
10447 /*
10448 * Set the cursor after creating folds, since that moves the cursor.
10449 */
10450 if (do_cursor)
10451 {
10452
10453 /* Restore the cursor line in the file and relatively in the
10454 * window. Don't use "G", it changes the jumplist. */
10455 if (fprintf(fd, "let s:l = %ld - ((%ld * winheight(0) + %ld) / %ld)",
10456 (long)wp->w_cursor.lnum,
10457 (long)(wp->w_cursor.lnum - wp->w_topline),
10458 (long)wp->w_height / 2, (long)wp->w_height) < 0
10459 || put_eol(fd) == FAIL
10460 || put_line(fd, "if s:l < 1 | let s:l = 1 | endif") == FAIL
10461 || put_line(fd, "exe s:l") == FAIL
10462 || put_line(fd, "normal! zt") == FAIL
10463 || fprintf(fd, "%ld", (long)wp->w_cursor.lnum) < 0
10464 || put_eol(fd) == FAIL)
10465 return FAIL;
10466 /* Restore the cursor column and left offset when not wrapping. */
10467 if (wp->w_cursor.col == 0)
10468 {
10469 if (put_line(fd, "normal! 0") == FAIL)
10470 return FAIL;
10471 }
10472 else
10473 {
10474 if (!wp->w_p_wrap && wp->w_leftcol > 0 && wp->w_width > 0)
10475 {
10476 if (fprintf(fd,
10477 "let s:c = %ld - ((%ld * winwidth(0) + %ld) / %ld)",
10478 (long)wp->w_cursor.col,
10479 (long)(wp->w_cursor.col - wp->w_leftcol),
10480 (long)wp->w_width / 2, (long)wp->w_width) < 0
10481 || put_eol(fd) == FAIL
10482 || put_line(fd, "if s:c > 0") == FAIL
10483 || fprintf(fd,
10484 " exe 'normal! 0' . s:c . 'lzs' . (%ld - s:c) . 'l'",
10485 (long)wp->w_cursor.col) < 0
10486 || put_eol(fd) == FAIL
10487 || put_line(fd, "else") == FAIL
10488 || fprintf(fd, " normal! 0%dl", wp->w_cursor.col) < 0
10489 || put_eol(fd) == FAIL
10490 || put_line(fd, "endif") == FAIL)
10491 return FAIL;
10492 }
10493 else
10494 {
10495 if (fprintf(fd, "normal! 0%dl", wp->w_cursor.col) < 0
10496 || put_eol(fd) == FAIL)
10497 return FAIL;
10498 }
10499 }
10500 }
10501
10502 /*
10503 * Local directory.
10504 */
10505 if (wp->w_localdir != NULL)
10506 {
10507 if (fputs("lcd ", fd) < 0
10508 || ses_put_fname(fd, wp->w_localdir, flagp) == FAIL
10509 || put_eol(fd) == FAIL)
10510 return FAIL;
10511 did_lcd = TRUE;
10512 }
10513
10514 return OK;
10515 }
10516
10517 /*
10518 * Write an argument list to the session file.
10519 * Returns FAIL if writing fails.
10520 */
10521 static int
10522 ses_arglist(fd, cmd, gap, fullname, flagp)
10523 FILE *fd;
10524 char *cmd;
10525 garray_T *gap;
10526 int fullname; /* TRUE: use full path name */
10527 unsigned *flagp;
10528 {
10529 int i;
10530 char_u buf[MAXPATHL];
10531 char_u *s;
10532
10533 if (gap->ga_len == 0)
10534 return put_line(fd, "silent! argdel *");
10535 if (fputs(cmd, fd) < 0)
10536 return FAIL;
10537 for (i = 0; i < gap->ga_len; ++i)
10538 {
10539 /* NULL file names are skipped (only happens when out of memory). */
10540 s = alist_name(&((aentry_T *)gap->ga_data)[i]);
10541 if (s != NULL)
10542 {
10543 if (fullname)
10544 {
10545 (void)vim_FullName(s, buf, MAXPATHL, FALSE);
10546 s = buf;
10547 }
10548 if (fputs(" ", fd) < 0 || ses_put_fname(fd, s, flagp) == FAIL)
10549 return FAIL;
10550 }
10551 }
10552 return put_eol(fd);
10553 }
10554
10555 /*
10556 * Write a buffer name to the session file.
10557 * Also ends the line.
10558 * Returns FAIL if writing fails.
10559 */
10560 static int
10561 ses_fname(fd, buf, flagp)
10562 FILE *fd;
10563 buf_T *buf;
10564 unsigned *flagp;
10565 {
10566 char_u *name;
10567
10568 /* Use the short file name if the current directory is known at the time
10569 * the session file will be sourced.
10570 * Don't do this for ":mkview", we don't know the current directory.
10571 * Don't do this after ":lcd", we don't keep track of what the current
10572 * directory is. */
10573 if (buf->b_sfname != NULL
10574 && flagp == &ssop_flags
10575 && (ssop_flags & (SSOP_CURDIR | SSOP_SESDIR))
10576 && !did_lcd)
10577 name = buf->b_sfname;
10578 else
10579 name = buf->b_ffname;
10580 if (ses_put_fname(fd, name, flagp) == FAIL || put_eol(fd) == FAIL)
10581 return FAIL;
10582 return OK;
10583 }
10584
10585 /*
10586 * Write a file name to the session file.
10587 * Takes care of the "slash" option in 'sessionoptions' and escapes special
10588 * characters.
10589 * Returns FAIL if writing fails.
10590 */
10591 static int
10592 ses_put_fname(fd, name, flagp)
10593 FILE *fd;
10594 char_u *name;
10595 unsigned *flagp;
10596 {
10597 char_u *sname;
10598 int retval = OK;
10599 int c;
10600
10601 sname = home_replace_save(NULL, name);
10602 if (sname != NULL)
10603 name = sname;
10604 while (*name != NUL)
10605 {
10606 #ifdef FEAT_MBYTE
10607 {
10608 int l;
10609
10610 if (has_mbyte && (l = (*mb_ptr2len)(name)) > 1)
10611 {
10612 /* copy a multibyte char */
10613 while (--l >= 0)
10614 {
10615 if (putc(*name, fd) != *name)
10616 retval = FAIL;
10617 ++name;
10618 }
10619 continue;
10620 }
10621 }
10622 #endif
10623 c = *name++;
10624 if (c == '\\' && (*flagp & SSOP_SLASH))
10625 /* change a backslash to a forward slash */
10626 c = '/';
10627 else if ((vim_strchr(escape_chars, c) != NULL
10628 #ifdef BACKSLASH_IN_FILENAME
10629 && c != '\\'
10630 #endif
10631 ) || c == '#' || c == '%')
10632 {
10633 /* escape a special character with a backslash */
10634 if (putc('\\', fd) != '\\')
10635 retval = FAIL;
10636 }
10637 if (putc(c, fd) != c)
10638 retval = FAIL;
10639 }
10640 vim_free(sname);
10641 return retval;
10642 }
10643
10644 /*
10645 * ":loadview [nr]"
10646 */
10647 static void
10648 ex_loadview(eap)
10649 exarg_T *eap;
10650 {
10651 char_u *fname;
10652
10653 fname = get_view_file(*eap->arg);
10654 if (fname != NULL)
10655 {
10656 do_source(fname, FALSE, DOSO_NONE);
10657 vim_free(fname);
10658 }
10659 }
10660
10661 /*
10662 * Get the name of the view file for the current buffer.
10663 */
10664 static char_u *
10665 get_view_file(c)
10666 int c;
10667 {
10668 int len = 0;
10669 char_u *p, *s;
10670 char_u *retval;
10671 char_u *sname;
10672
10673 if (curbuf->b_ffname == NULL)
10674 {
10675 EMSG(_(e_noname));
10676 return NULL;
10677 }
10678 sname = home_replace_save(NULL, curbuf->b_ffname);
10679 if (sname == NULL)
10680 return NULL;
10681
10682 /*
10683 * We want a file name without separators, because we're not going to make
10684 * a directory.
10685 * "normal" path separator -> "=+"
10686 * "=" -> "=="
10687 * ":" path separator -> "=-"
10688 */
10689 for (p = sname; *p; ++p)
10690 if (*p == '=' || vim_ispathsep(*p))
10691 ++len;
10692 retval = alloc((unsigned)(STRLEN(sname) + len + STRLEN(p_vdir) + 9));
10693 if (retval != NULL)
10694 {
10695 STRCPY(retval, p_vdir);
10696 add_pathsep(retval);
10697 s = retval + STRLEN(retval);
10698 for (p = sname; *p; ++p)
10699 {
10700 if (*p == '=')
10701 {
10702 *s++ = '=';
10703 *s++ = '=';
10704 }
10705 else if (vim_ispathsep(*p))
10706 {
10707 *s++ = '=';
10708 #if defined(BACKSLASH_IN_FILENAME) || defined(AMIGA) || defined(RISCOS) \
10709 || defined(VMS)
10710 if (*p == ':')
10711 *s++ = '-';
10712 else
10713 #endif
10714 *s++ = '+';
10715 }
10716 else
10717 *s++ = *p;
10718 }
10719 *s++ = '=';
10720 *s++ = c;
10721 STRCPY(s, ".vim");
10722 }
10723
10724 vim_free(sname);
10725 return retval;
10726 }
10727
10728 #endif /* FEAT_SESSION */
10729
10730 /*
10731 * Write end-of-line character(s) for ":mkexrc", ":mkvimrc" and ":mksession".
10732 * Return FAIL for a write error.
10733 */
10734 int
10735 put_eol(fd)
10736 FILE *fd;
10737 {
10738 if (
10739 #ifdef USE_CRNL
10740 (
10741 # ifdef MKSESSION_NL
10742 !mksession_nl &&
10743 # endif
10744 (putc('\r', fd) < 0)) ||
10745 #endif
10746 (putc('\n', fd) < 0))
10747 return FAIL;
10748 return OK;
10749 }
10750
10751 /*
10752 * Write a line to "fd".
10753 * Return FAIL for a write error.
10754 */
10755 int
10756 put_line(fd, s)
10757 FILE *fd;
10758 char *s;
10759 {
10760 if (fputs(s, fd) < 0 || put_eol(fd) == FAIL)
10761 return FAIL;
10762 return OK;
10763 }
10764
10765 #ifdef FEAT_VIMINFO
10766 /*
10767 * ":rviminfo" and ":wviminfo".
10768 */
10769 static void
10770 ex_viminfo(eap)
10771 exarg_T *eap;
10772 {
10773 char_u *save_viminfo;
10774
10775 save_viminfo = p_viminfo;
10776 if (*p_viminfo == NUL)
10777 p_viminfo = (char_u *)"'100";
10778 if (eap->cmdidx == CMD_rviminfo)
10779 {
10780 if (read_viminfo(eap->arg, VIF_WANT_INFO | VIF_WANT_MARKS
10781 | (eap->forceit ? VIF_FORCEIT : 0)) == FAIL)
10782 EMSG(_("E195: Cannot open viminfo file for reading"));
10783 }
10784 else
10785 write_viminfo(eap->arg, eap->forceit);
10786 p_viminfo = save_viminfo;
10787 }
10788 #endif
10789
10790 #if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG) || defined(PROTO)
10791 /*
10792 * Make a dialog message in "buff[IOSIZE]".
10793 * "format" must contain "%s".
10794 */
10795 void
10796 dialog_msg(buff, format, fname)
10797 char_u *buff;
10798 char *format;
10799 char_u *fname;
10800 {
10801 if (fname == NULL)
10802 fname = (char_u *)_("Untitled");
10803 vim_snprintf((char *)buff, IOSIZE, format, fname);
10804 }
10805 #endif
10806
10807 /*
10808 * ":behave {mswin,xterm}"
10809 */
10810 static void
10811 ex_behave(eap)
10812 exarg_T *eap;
10813 {
10814 if (STRCMP(eap->arg, "mswin") == 0)
10815 {
10816 set_option_value((char_u *)"selection", 0L, (char_u *)"exclusive", 0);
10817 set_option_value((char_u *)"selectmode", 0L, (char_u *)"mouse,key", 0);
10818 set_option_value((char_u *)"mousemodel", 0L, (char_u *)"popup", 0);
10819 set_option_value((char_u *)"keymodel", 0L,
10820 (char_u *)"startsel,stopsel", 0);
10821 }
10822 else if (STRCMP(eap->arg, "xterm") == 0)
10823 {
10824 set_option_value((char_u *)"selection", 0L, (char_u *)"inclusive", 0);
10825 set_option_value((char_u *)"selectmode", 0L, (char_u *)"", 0);
10826 set_option_value((char_u *)"mousemodel", 0L, (char_u *)"extend", 0);
10827 set_option_value((char_u *)"keymodel", 0L, (char_u *)"", 0);
10828 }
10829 else
10830 EMSG2(_(e_invarg2), eap->arg);
10831 }
10832
10833 #ifdef FEAT_AUTOCMD
10834 static int filetype_detect = FALSE;
10835 static int filetype_plugin = FALSE;
10836 static int filetype_indent = FALSE;
10837
10838 /*
10839 * ":filetype [plugin] [indent] {on,off,detect}"
10840 * on: Load the filetype.vim file to install autocommands for file types.
10841 * off: Load the ftoff.vim file to remove all autocommands for file types.
10842 * plugin on: load filetype.vim and ftplugin.vim
10843 * plugin off: load ftplugof.vim
10844 * indent on: load filetype.vim and indent.vim
10845 * indent off: load indoff.vim
10846 */
10847 static void
10848 ex_filetype(eap)
10849 exarg_T *eap;
10850 {
10851 char_u *arg = eap->arg;
10852 int plugin = FALSE;
10853 int indent = FALSE;
10854
10855 if (*eap->arg == NUL)
10856 {
10857 /* Print current status. */
10858 smsg((char_u *)"filetype detection:%s plugin:%s indent:%s",
10859 filetype_detect ? "ON" : "OFF",
10860 filetype_plugin ? (filetype_detect ? "ON" : "(on)") : "OFF",
10861 filetype_indent ? (filetype_detect ? "ON" : "(on)") : "OFF");
10862 return;
10863 }
10864
10865 /* Accept "plugin" and "indent" in any order. */
10866 for (;;)
10867 {
10868 if (STRNCMP(arg, "plugin", 6) == 0)
10869 {
10870 plugin = TRUE;
10871 arg = skipwhite(arg + 6);
10872 continue;
10873 }
10874 if (STRNCMP(arg, "indent", 6) == 0)
10875 {
10876 indent = TRUE;
10877 arg = skipwhite(arg + 6);
10878 continue;
10879 }
10880 break;
10881 }
10882 if (STRCMP(arg, "on") == 0 || STRCMP(arg, "detect") == 0)
10883 {
10884 if (*arg == 'o' || !filetype_detect)
10885 {
10886 source_runtime((char_u *)FILETYPE_FILE, TRUE);
10887 filetype_detect = TRUE;
10888 if (plugin)
10889 {
10890 source_runtime((char_u *)FTPLUGIN_FILE, TRUE);
10891 filetype_plugin = TRUE;
10892 }
10893 if (indent)
10894 {
10895 source_runtime((char_u *)INDENT_FILE, TRUE);
10896 filetype_indent = TRUE;
10897 }
10898 }
10899 if (*arg == 'd')
10900 {
10901 (void)do_doautocmd((char_u *)"filetypedetect BufRead", TRUE);
10902 do_modelines(0);
10903 }
10904 }
10905 else if (STRCMP(arg, "off") == 0)
10906 {
10907 if (plugin || indent)
10908 {
10909 if (plugin)
10910 {
10911 source_runtime((char_u *)FTPLUGOF_FILE, TRUE);
10912 filetype_plugin = FALSE;
10913 }
10914 if (indent)
10915 {
10916 source_runtime((char_u *)INDOFF_FILE, TRUE);
10917 filetype_indent = FALSE;
10918 }
10919 }
10920 else
10921 {
10922 source_runtime((char_u *)FTOFF_FILE, TRUE);
10923 filetype_detect = FALSE;
10924 }
10925 }
10926 else
10927 EMSG2(_(e_invarg2), arg);
10928 }
10929
10930 /*
10931 * ":setfiletype {name}"
10932 */
10933 static void
10934 ex_setfiletype(eap)
10935 exarg_T *eap;
10936 {
10937 if (!did_filetype)
10938 set_option_value((char_u *)"filetype", 0L, eap->arg, OPT_LOCAL);
10939 }
10940 #endif
10941
10942 static void
10943 ex_digraphs(eap)
10944 exarg_T *eap UNUSED;
10945 {
10946 #ifdef FEAT_DIGRAPHS
10947 if (*eap->arg != NUL)
10948 putdigraph(eap->arg);
10949 else
10950 listdigraphs();
10951 #else
10952 EMSG(_("E196: No digraphs in this version"));
10953 #endif
10954 }
10955
10956 static void
10957 ex_set(eap)
10958 exarg_T *eap;
10959 {
10960 int flags = 0;
10961
10962 if (eap->cmdidx == CMD_setlocal)
10963 flags = OPT_LOCAL;
10964 else if (eap->cmdidx == CMD_setglobal)
10965 flags = OPT_GLOBAL;
10966 #if defined(FEAT_EVAL) && defined(FEAT_AUTOCMD) && defined(FEAT_BROWSE)
10967 if (cmdmod.browse && flags == 0)
10968 ex_options(eap);
10969 else
10970 #endif
10971 (void)do_set(eap->arg, flags);
10972 }
10973
10974 #ifdef FEAT_SEARCH_EXTRA
10975 /*
10976 * ":nohlsearch"
10977 */
10978 static void
10979 ex_nohlsearch(eap)
10980 exarg_T *eap UNUSED;
10981 {
10982 no_hlsearch = TRUE;
10983 redraw_all_later(SOME_VALID);
10984 }
10985
10986 /*
10987 * ":[N]match {group} {pattern}"
10988 * Sets nextcmd to the start of the next command, if any. Also called when
10989 * skipping commands to find the next command.
10990 */
10991 static void
10992 ex_match(eap)
10993 exarg_T *eap;
10994 {
10995 char_u *p;
10996 char_u *g = NULL;
10997 char_u *end;
10998 int c;
10999 int id;
11000
11001 if (eap->line2 <= 3)
11002 id = eap->line2;
11003 else
11004 {
11005 EMSG(e_invcmd);
11006 return;
11007 }
11008
11009 /* First clear any old pattern. */
11010 if (!eap->skip)
11011 match_delete(curwin, id, FALSE);
11012
11013 if (ends_excmd(*eap->arg))
11014 end = eap->arg;
11015 else if ((STRNICMP(eap->arg, "none", 4) == 0
11016 && (vim_iswhite(eap->arg[4]) || ends_excmd(eap->arg[4]))))
11017 end = eap->arg + 4;
11018 else
11019 {
11020 p = skiptowhite(eap->arg);
11021 if (!eap->skip)
11022 g = vim_strnsave(eap->arg, (int)(p - eap->arg));
11023 p = skipwhite(p);
11024 if (*p == NUL)
11025 {
11026 /* There must be two arguments. */
11027 EMSG2(_(e_invarg2), eap->arg);
11028 return;
11029 }
11030 end = skip_regexp(p + 1, *p, TRUE, NULL);
11031 if (!eap->skip)
11032 {
11033 if (*end != NUL && !ends_excmd(*skipwhite(end + 1)))
11034 {
11035 eap->errmsg = e_trailing;
11036 return;
11037 }
11038 if (*end != *p)
11039 {
11040 EMSG2(_(e_invarg2), p);
11041 return;
11042 }
11043
11044 c = *end;
11045 *end = NUL;
11046 match_add(curwin, g, p + 1, 10, id);
11047 vim_free(g);
11048 *end = c;
11049 }
11050 }
11051 eap->nextcmd = find_nextcmd(end);
11052 }
11053 #endif
11054
11055 #ifdef FEAT_CRYPT
11056 /*
11057 * ":X": Get crypt key
11058 */
11059 static void
11060 ex_X(eap)
11061 exarg_T *eap UNUSED;
11062 {
11063 (void)get_crypt_key(TRUE, TRUE);
11064 }
11065 #endif
11066
11067 #ifdef FEAT_FOLDING
11068 static void
11069 ex_fold(eap)
11070 exarg_T *eap;
11071 {
11072 if (foldManualAllowed(TRUE))
11073 foldCreate(eap->line1, eap->line2);
11074 }
11075
11076 static void
11077 ex_foldopen(eap)
11078 exarg_T *eap;
11079 {
11080 opFoldRange(eap->line1, eap->line2, eap->cmdidx == CMD_foldopen,
11081 eap->forceit, FALSE);
11082 }
11083
11084 static void
11085 ex_folddo(eap)
11086 exarg_T *eap;
11087 {
11088 linenr_T lnum;
11089
11090 /* First set the marks for all lines closed/open. */
11091 for (lnum = eap->line1; lnum <= eap->line2; ++lnum)
11092 if (hasFolding(lnum, NULL, NULL) == (eap->cmdidx == CMD_folddoclosed))
11093 ml_setmarked(lnum);
11094
11095 /* Execute the command on the marked lines. */
11096 global_exe(eap->arg);
11097 ml_clearmarked(); /* clear rest of the marks */
11098 }
11099 #endif
Vim with various extensions